1. A general type pitch detection device which characterized in that: comprises a bottom plate (1), a module (2), a placing piece (3), a mounting piece (6) and a detection component (9); the placing part (3) is connected with the bottom plate (1) through a cylinder, the placing part (3) is corresponding to the position of the module (2), a placing groove (4), a through hole (5) and a contact surface (8) are arranged on the placing part (3), the installing part (6) is movably connected with the bottom plate (1) through the module (2), an inductor (7) is arranged on the installing part (6), the detecting component (9) is connected with the module (2) through the installing part (6), the detecting component (9) is corresponding to the position of the inductor (7), the detecting component (9) is corresponding to the position of the placing part (3), and the detecting component (9) comprises a detecting plate (91), an elastic element (92) and a detecting part (93).

2. A universal pitch sensing device according to claim 1, wherein: the detection piece (93) is connected with the detection plate (91) through an elastic element (92), the detection plate (91) corresponds to the sensor (7) in position, and a guide shaft penetrating through the mounting piece (6) is arranged on the detection plate (91).

3. A universal pitch sensing device according to claim 1, wherein: the detection assembly (9) is symmetrical about the placement piece (3), the detection piece (93) is specifically located in the through hole (5), the sensor (7) is specifically a pressure sensor, and the detection piece (93) is provided with a detection head (94).

4. A universal pitch sensing device according to claim 2, wherein: the sensing surface of the sensor (7) faces the sensing plate (91), the detection piece (93) is symmetrical about the placing groove (4), a guide shaft penetrating through the sensing plate (91) and the mounting piece (6) is arranged on the detection piece (93), and the elastic element (92) is specifically a spring.

5. A universal pitch sensing device according to claim 1, wherein: the cross section of the placing groove (4) is trapezoidal, the through holes (5) are symmetrical relative to the placing groove (4), and the through holes (5) are communicated with the placing groove (4).

Background

The thread connection is the most common connection mode, and in the actual production of the screw, due to the abrasion of a die for processing the thread, the thread pitch of the thread can deviate, so that the thread pitch of the processed thread of the screw needs to be continuously checked in the thread processing process.

The conventional method for detecting the thread pitch is to amplify the threads on the screw by using an optical instrument and then detect the thread pitch of the threads, the required optical instrument is expensive and has high detection cost, and the operation of the optical instrument is complex and has low detection efficiency.

Disclosure of Invention

The purpose of the invention is: a universal pitch detection device is provided to solve the above problems.

In order to achieve the above purpose, the present invention provides the following technical solutions:

a universal type thread pitch detection device comprises a bottom plate, a module, a placing piece, a mounting piece and a detection assembly; the placing part is connected with the bottom plate through a cylinder, the placing part corresponds to the position of the module, a placing groove, a through hole and a contact surface are arranged on the placing part, the mounting part is movably connected with the bottom plate through the module, an inductor is arranged on the mounting part, the detecting component is connected with the module through the mounting part, the detecting component corresponds to the position of the inductor, the detecting component corresponds to the position of the placing part, and the detecting component comprises a detecting plate, an elastic element and a detecting part.

Furthermore, the detection piece is connected with the detection plate through an elastic element, the detection plate corresponds to the sensor in position, and a guide shaft penetrating through the installation piece is arranged on the detection plate.

Furthermore, the detection assembly is symmetrical about the placement part, the detection part is specifically positioned in the through hole, the sensor is specifically a pressure sensor, and the detection part is provided with a detection head.

Further, the induction surface of the inductor faces the detection plate, the detection piece is symmetrical about the placing groove, a guide shaft penetrating through the detection plate and the installation piece is arranged on the detection piece, and the elastic element is specifically a spring.

Further, the cross-section of the placing groove is trapezoidal, the through holes are symmetrical about the placing groove, and the through holes are communicated with the placing groove.

The invention has the beneficial effects that: the utility model provides a general type pitch detection device, through bottom plate, module, place piece, installed part and determine module use of mutually supporting, realize using screw thread pitch detection device to replace the effect that optical instrument detected screw thread pitch, reduced the detection cost, improved detection efficiency, practiced thrift manufacturing cost.

Drawings

FIG. 1 is an isometric view of the overall construction of a universal pitch sensing device of the present invention.

FIG. 2 is an isometric view of another overall configuration of a universal pitch sensing apparatus of the present invention.

FIG. 3 is a front view of the general screw pitch detecting device according to the present invention.

In the figure: 1. a base plate; 2. a module; 3. placing the piece; 4. a placement groove; 5. a through hole; 6. a mounting member; 7. an inductor; 8. a contact surface; 9. a detection component; 91. detecting a plate; 92. an elastic element; 93. a detection member; 94. and a detection head.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 3, a universal pitch detecting apparatus includes a base plate 1, a module 2, a placing member 3, a mounting member 6, and a detecting assembly 9; the utility model discloses a screw rod is put to placing 3, place 3 and 2 positions of module and be connected through cylinder and bottom plate 1 for place the screw rod, it is corresponding to place 3 and the module 2 position, it is provided with standing groove 4, through-hole 5 and contact surface 8 on 3 to place, installed part 6 passes through module 2 and bottom plate 1 swing joint, be provided with inductor 7 on the installed part 6 for detect pick-up plate 91 is to its change of pressure, thereby judges the position change of detecting head 94, finally judges the pitch of screw rod, detecting component 9 is connected with module 2 through installed part 6, detecting component 9 is corresponding with inductor 7 position, detecting component 9 is corresponding with placing 3 position, detecting component 9 includes pick-up plate 91, elastic element 92 and detecting part 93, module 2 and inductor 7 all with external control system electric connection.

The detection member 93 is connected with the detection plate 91 through an elastic element 92, the detection plate 91 corresponds to the sensor 7, and a guide shaft penetrating through the mounting member 6 is arranged on the detection plate 91 and used for ensuring the accuracy of the movement path of the detection plate 91.

Detection subassembly 9 is about placing a 3 symmetries for the both ends of detecting the screw rod are ensured that screw rod both ends atress is even, are ensured the precision of detecting, it specifically is located through-hole 5 to detect piece 93, inductor 7 specifically is pressure sensors, be provided with on the detection piece 93 and detect head 94, be used for the direct contact screw rod.

The sensing surface of the sensor 7 faces the sensing plate 91, the detecting member 93 is symmetrical about the placing groove 4, a guide shaft penetrating the sensing plate 91 and the mounting member 6 is arranged on the detecting member 93 for ensuring the accuracy of the moving path of the detecting member 93, and the elastic element 92 is specifically a spring.

The cross section of the placing groove 4 is trapezoidal, the through holes 5 are symmetrical about the placing groove 4, and the through holes 5 are communicated with the placing groove 4.

The working principle of the invention is as follows: before the detection work is started, the external conveying mechanism conveys the screw rod to be detected to the placing piece 3, the screw rod is placed in the placing groove 4 in the process, meanwhile, the screw rod head of the screw rod is in contact with the contact surface 8, the screw rod extrudes the detection head 94 to move away from the placing groove 4 to the direction of the sensor 7 in the process, and the sensor 7 transmits a pressure signal to an external control system; and then module 2 starts working under the control of an external control system, detection assembly 9 is driven to move in the length direction of the screw by mounting component 3, detection heads 94 on two sides of the screw continuously contact the bottom and the top of the external thread on the screw in the process, detection component 93 compresses elastic element 92 to enable pressure of detection plate 91 to continuously change on sensor 7 in the process, sensor 7 transmits pressure signals to the external control system, the external control system judges the thread pitch of the screw according to the pressure signals, the working process is kept until the working process is finished, external carrying mechanism carries the screw to a designated position, and module 2 and elastic element 92 drive detection assembly 9 to reset.

The above examples are intended to further illustrate the present invention, but are not intended to limit the invention to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood to be within the protection scope of the present invention.