1. The utility model provides a plaque injection mold in A post which characterized in that: comprises that

The die frame plate (1) comprises an upper template (2) and a lower template (3);

the fixed die plate (4) is fixed on the upper die plate (2) and is provided with a fixed die core (5) and a pouring pipe (6) communicated with the fixed die core (5);

the movable mould plate (7) is fixed on the lower mould plate (3), a cavity (8) communicated with the pouring pipe (6) is formed between the fixed mould plate (4) and the movable mould plate (7), and the movable mould plate (7) is provided with a movable mould core (9) and a slide block mechanism (10) which is arranged on the movable mould plate (7) and is used for forming lap joint flanging;

the ejector pin mechanism (11) is arranged on the movable mould plate (7) and can enter the cavity (8);

the sliding block mechanism (10) comprises a guide sliding rail (12) obliquely arranged on the movable template (7), a shaping sliding block (13) arranged on the guide sliding rail (12) in a sliding manner, a sliding block pulling plate (14) connected with the shaping sliding block (13) in a sliding manner, and a control oil cylinder (15) for controlling the sliding block pulling plate (14) to pull the shaping sliding block (13) to move on the guide sliding rail (12);

the guide slide rail (12) is further provided with an ejection rod piece (16) inserted on the shaping slide block (13), the shaping slide block (13) is provided with a shaping rod (17) used for shaping buckles on the lap joint flanging, and an elastic ejection piece (18) which ejects the top end of the shaping rod (17) out of the shaping slide block (13) when the shaping slide block (13) is separated from the shaping mold core (5) is arranged between the shaping rod (17) and the shaping slide block (13).

2. The injection mold for an a-pillar interior trim panel according to claim 1, wherein: the ejection rod piece (16) comprises an installation column (19) arranged on the guide slide rail (12) and an ejector rod (20) which is horizontally arranged with the guide slide rail (12) and is inserted on the shaping slide block (13), and the shaping slide block (13) is also provided with a sliding groove (21) for the installation column (19) to slide.

3. The injection mold for an a-pillar interior trim panel according to claim 2, wherein: the shaping device is characterized in that an installation block (22) is arranged on one side of the shaping rod (17), a reset impact plate (23) which is tightly abutted to the outer wall of the shaping mold core (5) is arranged at the front end of the installation block (22), the rear end of the installation block is connected to one end of the elastic ejection piece (18), and the other end of the elastic ejection piece (18) is fixed on the shaping sliding block (13).

4. The injection mold for an A-pillar interior trim panel according to claim 3, wherein: the reset impact plate (23) is a rubber plate connected with the mounting block (22) through bolts.

5. The injection mold for an a-pillar interior trim panel according to claim 1, wherein: still be provided with on fixed die plate (4) and be used for the oblique pull rod group (24) of through-hole on the shaping overlap joint turn-ups, oblique pull rod group (24) are including inserting to one side down tube (25) on fixed die plate (4), set up be in twitch hydro-cylinder (26), the setting of fixed die plate (4) outer wall are in draw block (27) on the piston rod of twitch hydro-cylinder (26), be provided with the control on draw block (27) down tube (25) are close to or keep away from guide chute (28) of die cavity (8), slide and set up down tube (25) in guide chute (28).

6. The injection mold for an A-pillar interior trim panel according to claim 5, wherein: the fixed die plate (4) is detachably connected with a positioning block (29), the peripheral wall of the inclined rod (25) is provided with a wear-resistant strip (30), and the wear-resistant strip (30) is abutted to the lower end face of the positioning block (29).

7. The injection mold for an a-pillar interior trim panel according to claim 1, wherein: thimble mechanism (11) are including many shaping pole (31), the control that is used for the buckle on the shaping plaque body shaping pole (31) and buckle separation's control assembly (32), are used for the installation thimble board (33), control thimble board (33) of control assembly (32) are in relative drive cylinder (34) that move, setting on movable mould board (7) are in straight thimble (35) on thimble board (33).

8. The injection mold for an a-pillar interior trim panel according to claim 7, wherein: the control assembly (32) comprises a guide rod (36) obliquely arranged on the lower template (3), a mounting seat (37) fixed on the ejector plate (33) and a driving plate (38) obliquely sliding on the mounting seat (37), the guide rod (36) is obliquely inserted on the driving plate (38), and one end of the forming rod (31) is fixed on the driving plate (38).

Background

The automobile A stand column is located at the front part of an automobile body, belongs to the automobile body, and plays a supporting role for an automobile body top cover and a windshield. The automobile A pillar interior trimming panel is a decoration part assembled on an automobile body and plays roles in decoration, sound insulation and noise reduction.

Referring to fig. 12, plaque in car A stand includes the lapped overlap joint turn-ups of plaque body and instrument board of being connected with the A stand, mainly relies on the buckle to fix on the car body simultaneously, and the inventor thinks because plaque body and overlap joint turn-ups roughly are the setting of L type, therefore lead to the buckle on the overlap joint turn-ups to directly mould plastics out because the design angle problem is difficult in current mould when producing, mostly adopt later stage metal buckle one end to fix to interior plaque, increased manufacturing cost greatly.

Disclosure of Invention

In order to provide the plaque in A post of production buckle and interior plaque integration, this application provides a plaque injection mold in A post.

The application provides a plaque injection mold in A post adopts following technical scheme:

an injection mold for an A-pillar interior trim panel comprises

The die frame plate comprises an upper die plate and a lower die plate;

the fixed die plate is fixed on the upper die plate and is provided with a fixed die core and a pouring pipe communicated with the fixed die core;

the movable template is fixed on the lower template, a cavity communicated with the pouring pipe is formed between the fixed template and the movable template, and the movable template is provided with a movable mold core and a slider mechanism which is arranged on the movable template and used for forming lap joint turnups;

the ejector pin mechanism is arranged on the movable template and can enter the cavity;

the sliding block mechanism comprises a guide sliding rail obliquely arranged on the movable template, a shaping sliding block arranged on the guide sliding rail in a sliding manner, a sliding block pulling plate connected with the shaping sliding block in a sliding manner, and a control oil cylinder for controlling the sliding block pulling plate to pull the shaping sliding block to move on the guide sliding rail;

the guide slide rail is also provided with an ejection rod piece inserted on the shaping slide block, the shaping slide block is provided with a shaping rod used for shaping a buckle on the lap joint flanging, and an elastic ejection piece which ejects the top end of the shaping rod out of the shaping slide block when the shaping slide block is separated from the fixed mold core is arranged between the shaping rod and the shaping slide block.

Through adopting above-mentioned technical scheme, interior plaque injects the back of moulding in the die cavity, and the movable mould board is opened from the fixed die plate, and then the last control hydro-cylinder pulling slider arm-tie of slider mechanism, and the design slider on the slider arm-tie is spacing on the one hand on the guide slide rail, and the other party is spacing on the slider arm-tie, and then when this design slider of slider arm-tie, the slider arm-tie is kept away from each other with the guide slide rail, realizes the removal of design slider on the guide slide rail, finally realizes design slider and overlap joint turn-ups alternate segregation. The shaping rod can form a buckle with the cooperation of shaping slider, and when the shaping slider removed, the shaping rod can be ejecting from the shaping slider automatically through elasticity ejecting piece, simultaneously with the cooperation of shaping slider slip direction, realize automatic inside automatic roll-off from the buckle, when the shaping slider was laminated with the movable mould core, should design the rod and can hide in the shaping slider again. In order to avoid the design slider to cause the overlap flanging to tear when removing, the ejecting member piece of installation can play the positioning action to the overlap flanging on the direction slide rail, and the design pole withdraws from gradually along with the removal of design slider with the buckle simultaneously, therefore this department can carry out positioning action to the overlap flanging position that is provided with the buckle. The buckle of production integration setting on the overlap joint turn-ups can be realized through the setting of this slider mechanism.

Optionally, the ejection rod member includes an installation column disposed on the guide slide rail, and an ejector rod horizontally disposed with the guide slide rail and inserted into the shaping slider, and the shaping slider is further provided with a sliding groove for the installation column to slide.

Through adopting above-mentioned technical scheme, the ejector pin passes through the erection column level and sets up in direction slide rail top, can ensure the removal of design slider on this ejector pin, and the setting in groove that slides can compensate the design slider for the space that slides of erection column, ensures that the ejector pin can be all the time to the turn-ups's of overlap joint support location.

Optionally, an installation block is arranged on one side of the shaping rod, a reset impact plate which is tightly abutted to the outer wall of the fixed die core is arranged at the front end of the installation block, the rear end of the installation block is connected to one end of the elastic ejection piece, and the other end of the elastic ejection piece is fixed to the shaping sliding block.

Through adopting above-mentioned technical scheme, the installation piece realizes on the one hand and fixes the elasticity ejecting piece on the design slider, and on the other hand avoids the collision of design pole top and movable mold core through striking plate and the direct collision of movable mold core that resets, ensures the life of this design pole.

Optionally, the reset impact plate is a rubber plate connected with the mounting block by a bolt.

Through adopting above-mentioned technical scheme, the striking plate that resets adopts the rubber slab, makes on the one hand change into flexible collision by rigid collision between shaping pole and the movable mould core, avoids both mutual damage, and on the other hand can directly change the shaping quality that the rubber slab ensured shaping pole after producing the uniform time, and rubber slab use cost is lower simultaneously.

Optionally, an inclined pulling rod group used for forming a through hole in the lap joint flanging is further arranged on the fixed die plate, the inclined pulling rod group comprises an inclined rod inserted in the fixed die plate, a pulling oil cylinder arranged on the outer wall of the fixed die plate and a pulling block arranged on a piston rod of the pulling oil cylinder, the pulling block is provided with a guide chute for controlling the inclined rod to be close to or far away from the die cavity, and the inclined rod is arranged in the guide chute in a sliding manner.

By adopting the technical scheme, the fixed die plate is also provided with the inclined draw bar group to process the through hole on the lap joint flanging. The pulling oil cylinder is used for controlling the pulling block to move, so that the sliding of the inclined rod on the fixed die plate is controlled, and the separation of the inclined rod and the lap joint flanging is realized.

Optionally, the fixed die plate is detachably connected with a positioning block, the peripheral wall of the diagonal rod is provided with wear-resistant strips, and the wear-resistant strips are abutted to the lower end face of the positioning block.

Through adopting above-mentioned technical scheme, because the down tube is inserted in the fixed die plate to one side for when the down tube is when the pulling, can lead to certain pressure to the fixed die plate of down tube top, the removal of crossing ten thousand even many times can lead to wearing and tearing between the two many times, therefore add locating piece and wear-resisting strip after, the down tube can only directly lead to wearing and tearing to this locating piece, therefore only need change this locating piece can, need not to change monoblock fixed die plate, effectively reduce mould maintenance cost.

Optionally, the thimble mechanism includes many shaping poles that are used for the buckle on the shaping plaque body, control the control assembly of shaping pole and buckle separation, be used for the installation control assembly's thimble board, control thimble board are in last relative movable drive cylinder, the setting of moving the last straight thimble of thimble board.

Through adopting above-mentioned technical scheme, the buckle on the plaque body can be processed to the shaping pole among the thimble mechanism, simultaneously through control assembly's setting for the thimble board is when removing, and the shaping pole can be followed the buckle inner wall automatically and withdraw from, and on the other hand directly pushes up the setting of thimble and can be directly ejecting in the driven mold core of plaque in the monoblock, realizes the complete unloading.

Optionally, the control assembly comprises a guide rod obliquely arranged on the lower template, a mounting seat fixed on the ejector plate, and a drive plate obliquely sliding on the mounting seat, the guide rod is obliquely inserted on the drive plate, and one end of the forming rod is fixed on the drive plate.

Through adopting above-mentioned technical scheme, when the thimble board was moving, because the drive plate on the mount pad has been injectd the direction of sliding by the guide bar, and then the realization changes the moving direction of shaping pole into the moving direction of buckle inner wall extending direction from the vertical direction of thimble board for the shaping pole can directly withdraw from in the buckle smoothly.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the buckle on the lap joint flanging can be directly processed through the arrangement of the sliding block mechanism;

2. the matching of the ejection rod piece and the shaping rod realizes that the whole overlap joint flanging avoids tearing of the product during blanking, thereby ensuring the processing quality of the product.

Drawings

Fig. 1 is a schematic structural view of an injection mold.

Fig. 2 is a cross-sectional view of an injection mold.

Fig. 3 is a schematic structural diagram of the diagonal draw bar group.

Fig. 4 is a schematic structural diagram of the ejector pin mechanism.

Fig. 5 is a schematic structural view of the control assembly and the forming rod.

Fig. 6 is a schematic structural view of the moving die plate and the slider mechanism.

Fig. 7 is a schematic structural view of the slider mechanism.

Fig. 8 is a schematic structural view of the sizing block and the block pulling plate.

Fig. 9 is a schematic view a-a shown in fig. 7.

Fig. 10 is a schematic view of the structure of the sizing bar ejecting the sizing block.

Fig. 11 is a schematic structural view of the setting bar and the elastic ejector.

Fig. 12 is a schematic view of a prior art a-pillar trim panel.

Description of reference numerals: 1. a mold frame plate; 2. mounting a template; 3. a lower template; 3-1, template; 4. fixing a template; 5. fixing a mold core; 6. pouring a pipe; 7. moving the template; 8. a cavity; 9. a movable mold core; 10. a slider mechanism; 11. a thimble mechanism; 12. a guide slide rail; 13. shaping a sliding block; 1301. a shaping chute; 1302. a limiting strip; 14. pulling a plate by a sliding block; 1401. a chute; 15. controlling the oil cylinder; 16. ejecting the rod piece; 17. a sizing rod; 18. an elastic ejector; 19. mounting a column; 20. a top rod; 21. a sliding groove; 22. mounting blocks; 23. resetting the impact plate; 24. a diagonal draw-bar group; 25. a diagonal bar; 26. pumping the oil cylinder; 27. drawing the block; 28. a guide chute; 29. positioning blocks; 30. wear resistant strips; 31. forming a rod; 32. a control component; 33. an ejector plate; 34. a driving oil cylinder; 35. directly ejecting a thimble; 36. a guide bar; 37. a mounting seat; 3701. a sliding groove; 38. a drive plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-11.

The embodiment of the application discloses plaque injection mold in A post. Referring to fig. 1, the injection mold for an a-pillar interior trim panel includes mold frame plates 1, a movable mold plate 7 and a fixed mold plate 4 disposed between the mold frame plates 1, and a thimble mechanism 11 is further disposed on the movable mold plate 7. The die frame plate 1 comprises an upper die plate 2 used for installing a fixed die plate 4 and a lower die plate 3 used for installing a movable die plate 7, the upper die plate 2 is finally installed and fixed on the injection molding machine, the lower die plate 3 is further provided with a plurality of die plates 3-1 on the outer peripheral side of an ejector pin mechanism 11 and used for protecting the ejector pin mechanism 11, and an oil way and a water way which are arranged inside the die are arranged and placed according to actual product requirements and are not explained any more.

Referring to fig. 1 and 2, the other end of the fixed die plate 4, which is far away from the upper die plate 2, is provided with a fixed die core 5, and is also provided with an inclined draw bar group 24 which is arranged towards the fixed die core 5. The other end of the movable mould plate 7, which is far away from the lower mould plate 3, is provided with a movable mould core 9, and a slide block mechanism 10 is arranged on one side of the movable mould core 9. The fixed die plate 4 and the movable die plate 7 form a die cavity 8 for processing an A-column interior trim panel through the cooperation of the movable die core 9, the fixed die core 5, the inclined draw bar group 24 and the slider mechanism 10, on the other hand, the fixed die plate 4 is also provided with a pouring pipe 6 which can be communicated with an injection molding machine, and the final molding of a product in the die cavity 8 is realized through the pouring pipe 6. The die cavity 8 in this scheme can once produce two sets of interior plaque, and oblique pull rod group 24 only is provided with a set ofly simultaneously, therefore the overlap joint turn-ups on only one of them set of interior plaque has the through-hole, and the quantity of oblique pull rod group 24 can increase according to actual demand and reduce the multiunit.

Referring to fig. 1 and 3, the diagonal draw bar group 24 includes a diagonal bar 25 inserted diagonally toward the fixed mold core 5, the angle setting is determined according to the inclination degree of the through hole, and further includes a draw cylinder 26 disposed on the outer wall of the fixed mold plate 4 and a draw block 27 fixed by the piston rod of the draw cylinder 26. The one end of drawing piece 27 orientation down tube 25 is seted up the direction spout 28 that the slope set up, and the one end that down tube 25 is located the direction spout 28 is provided with the sliding block with direction spout 28 complex, and the incline direction of direction spout 28 is for having the gradually increasing direction setting of interval of fixed mold core 5. When the drawing oil cylinder 26 pulls the drawing block 27, the inclined rod 25 can only be forced to move in the guide sliding groove 28, and the position close to or far from the through hole in the cavity 8 is realized, namely, the purpose of blanking is realized.

Referring to fig. 3, because the inclined rod 25 is in an upward pulling force, the inclined rod inevitably rubs against the inner wall of the insertion hole of the movable die plate 7, so as to ensure the service life of the whole fixed die plate 4, the fixed die core 5 is further provided with a positioning block 29 fixed by a bolt above the insertion hole, the lower end surface of the positioning block 29 can be directly abutted against the inclined rod 25, and when the positioning block 29 and the inclined rod 25 are worn, only the positioning block 29 needs to be replaced, and the whole fixed die plate 4 does not need to be replaced. On the other hand, in order to reduce the abrasion between the inclined rod 25 and the positioning block 29, the outer peripheral wall of the inclined rod 25 is provided with the wear-resistant strips 30, the wear-resistant strips 30 can be made of rubber, the wear-resistant strips 30 and the positioning block 29 are worn instead when the inclined rod 25 is checked, the wear-resistant strips 30 can be directly replaced in the later period, and the maintenance cost is reduced again.

The ejector pin mechanism 11 is arranged at one end of the movable mould plate 7 far away from the movable mould core 9 and used for ejecting a product or a product on the movable mould core 9. The thimble mechanism 11 comprises an ejector plate 33 and four groups of driving oil cylinders 34 which are inversely fixed on the outer wall of the movable template 7, piston rods of the driving oil cylinders 34 are fixed on the outer wall of the ejector plate 33, and the ejector plate 33 is controlled to move towards or away from the fixed template 4 through the operation of the driving oil cylinders 34. A straight ejector pin 35 for ejecting a product is arranged on the ejector plate 33, a forming rod 31 for forming a buckle on the plaque body and a control assembly 32 for controlling the forming rod 31 are further arranged, and a shaping head is arranged at the upper end of the forming rod 31.

Referring to fig. 4 and 5, the control assembly 32 includes a plurality of guide rods 36 obliquely arranged on the lower die plate 3, a mounting seat 37 fixed on the ejector plate 33, and a driving plate 38 arranged on the mounting seat 37, wherein one end of the driving plate 38 is inserted by the guide rods 36, and the other end is inserted by the lower end of the forming rod 31. The guide rod 36 and the forming rod 31 are arranged in parallel, and the inclination angle of the forming rod 31 is set according to the actual design angle of the buckle. The inclined sliding groove 3701 is arranged in the mounting seat 37, the driving plate 38 is slidably arranged on the mounting seat 37, when the ejector plate 33 is close to the movable die plate 7, the guide rod 36 moves vertically upward and horizontally relative to the connecting position of the driving plate 38, so that the driving plate 38 is forced to move in the sliding groove 3701, and finally the shaping head and the buckle of the shaping rod 31 are driven to be separated from each other, namely, the purpose of blanking is achieved.

Referring to fig. 6 and 7, the slider mechanism 10 on one side of the fixed mold core 9 includes two guide slide rails 12 obliquely arranged on the outer wall on one side of the fixed mold core 9, a shaping slider 13 slidably arranged on the guide slide rails 12, a slider pull plate 14 for pulling the shaping slider 13 to move on the guide slide rails 12, and a control cylinder 15 installed on the fixed mold plate 4 and for pulling the slider pull plate 14 to move horizontally on the shaping plate. On the other hand, an ejection rod piece 16 for positioning the upper end of the lap joint flanging is arranged on the guide slide rail 12, and a shaping rod 17 for shaping a buckle positioned on the lap joint flanging is arranged below the ejection rod piece 16 of the shaping slide block 13.

Referring to fig. 8, the guide slide rail 12 is fixed on the outer wall of the fixed mold core 5 through a bolt, the lower end face of the shaping slide block 13 is provided with a shaping slide groove 1301 limited to horizontally sliding on the guide slide rail 12, on the other hand, the shaping slide block 13 is provided with a limiting strip 1302 towards one end face of the slide block pulling plate 14, the slide groove 1401 arranged in an inclined manner is arranged on the slide block pulling plate 14, the limiting strip 1302 is limited in the slide groove 1401, the inclined angle of the slide groove 1401 is matched with the inclined angle of the guide slide rail 12, it is ensured that the slide block pulling plate 14 horizontally slides on the movable mold plate 7, the guide slide rail 12 can be pulled to slide, the specific inclined angle needs to be matched according to the specific bending angle of the lap joint flanging, and the specific angle setting is not explained herein.

Referring to fig. 9, the ejector rod member 16 includes a mounting column 19 vertically fixed on the guide rail 12, and an ejector rod 20 vertically disposed on a side surface of the mounting column 19, wherein the ejector rod 20 is disposed in parallel with the guide rail 12. On the other hand, in order to realize the normal movement of the shaping slider 13 on the mounting post 19, a sliding groove 21 is provided in the shaping slider 13 for the relative movement of the mounting post 19. The arrangement of the ejector rod 20 can ensure that the lap flanging positioned by the ejector rod 20 cannot be torn when the shaping slide block 13 is withdrawn.

Referring to fig. 10 and 11, the shaping rod 17 is fixed inside the shaping slider 13 through the elastic ejector 18, so as to realize a moving motion with the shaping slider 13, and meanwhile, due to the arrangement of the elastic ejector 18, the shaping rod 17 can be automatically ejected inside the shaping slider 13. Wherein, the shaping rod 17 is integrally provided with an installation block 22 on one side, the installation block 22 is also in a long strip shape, an elastic ejection piece 18 is fixed between the tail end of the installation block 22 and the shaping sliding block 13, and the elastic ejection piece 18 adopts a nitrogen spring. The front end of the mounting block 22 is further provided with a resetting impact plate 23 fixed through a bolt, the resetting impact plate 23 is a rubber plate, and the setting of the resetting impact plate 23 enables the shaping rod 17 to be replaced by hard collision into soft collision through the resetting impact plate 23 when the shaping slide block 13 is reset and then is tightly abutted against the fixed mold core 5.

The setting pole 17 can pop out from the design slider 13 automatically through the setting of elasticity liftout 18, therefore when the top of the setting pole 17 is pressed into the design slider 13 by the fixed mold core 5, the injection molding of buckle is realized when the setting pole 17 cooperates together with the design slider 13. When beginning the unloading, when design slider 13 and overlap joint turn-ups separate, design pole 17 can be automatic withdraws from the buckle is inside, and can not tear this buckle, and what need to explain here is that design pole 17 sets up according to the grooved inclination of buckle on design slider 13, ensures that design pole 17 can be automatic withdraws from in the buckle.

The implementation principle of plaque injection mold in this application embodiment in the A post is: the die cavity 8 used for forming the lap joint flanging is formed through the matching of the shaping sliding block 13 and the shaping die core 5, meanwhile, the lock on the lap joint flanging can be formed through the shaping rod 17 on the shaping sliding block 13, and the buckle can be directly separated from the inside of the buckle when the shaping sliding block 13 moves through the matching of the sliding direction of the shaping sliding block 13, so that the buckle is prevented from being torn. On the other hand, the shaping sliding block 13 is separated from the lap-joint flanging by the common matching of the ejection rod piece 16 and the shaping rod 17, and the lap-joint flanging is supported and positioned, so that the tearing problem caused by the fact that the lap-joint flanging is bonded on the shaping sliding block 13 is avoided.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.