CN222570555U

CN222570555U - Positioning fixture is used in processing of polyvinylidene fluoride board

Info

Publication number: CN222570555U
Application number: CN202421305017.3U
Authority: CN
Inventors: 孙明敏
Original assignee: Changzhou Kexun Precision Machinery Co ltd
Current assignee: Changzhou Kexun Precision Machinery Co ltd
Priority date: 2024-06-10
Filing date: 2024-06-10
Publication date: 2025-03-07
Anticipated expiration: 2034-06-10

Abstract

The utility model discloses a positioning fixture for processing polyvinylidene fluoride plates, and relates to the technical field of plate processing tools. The utility model includes a placing table; a clamping assembly is arranged on the placing table; the clamping assembly includes a first rotating plate, a center hole is opened on the top of the first rotating plate, a first rotating shaft is fixed on both sides of the center hole at the top of the first rotating plate, a second rotating plate is rotatably matched with the circumferential side of the first rotating shaft located above the first rotating plate, a second rotating shaft is rotatably matched with the top of the second rotating plate, a U-shaped plate is fixed on the circumferential side of the second rotating shaft located above the second rotating plate, and a clamping plate is fixed on one end of the U-shaped plate. The utility model achieves the change of the distance between the two clamping plates through the rotational cooperation between the first rotating plate and the two second rotating plates, and also realizes the multi-angle clamping and fixing of the polyvinylidene fluoride plate by the device during the processing of the polyvinylidene fluoride plate through the rotational cooperation between the threaded plate and the threaded rod, thereby improving the clamping stability of the device.

Description

Positioning fixture is used in processing of polyvinylidene fluoride board

Technical Field

The utility model belongs to the technical field of plate processing tools, and particularly relates to a positioning clamp for processing a polyvinylidene fluoride plate.

Background

The fixture is used to fix the workpiece in proper position for construction or detection, and is also called fixture in the broad sense, and the fixture for fast, convenient and safe installation of workpiece may be named as fixture, polyvinylidene fluoride, PVDF, etc. and may be made into sheet.

When carrying out processing such as sculpture, carving, drilling to the polyvinylidene fluoride board, current positioning fixture needs to fix the polyvinylidene fluoride board on placing the bench, uses the easy impulsive force that produces in the course of working of automatic processing machinery for place the panel that bench is fixed and take place to drop, make follow-up processing be difficult to continue, reduced machining efficiency.

Disclosure of utility model

The utility model aims to provide a positioning clamp for machining a polyvinylidene fluoride plate, which solves the problems that the polyvinylidene fluoride plate is required to be fixed on a placing table, impulsive force is easy to generate in the machining process of an automatic machining machine, the plate fixed on the placing table falls off, subsequent machining is difficult to continue and the machining efficiency is reduced by means of the running fit between a first rotating plate and two second rotating plates and the running fit of threads of a threaded plate and a threaded rod.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

The utility model relates to a positioning clamp for machining a polyvinylidene fluoride plate, which comprises a placing table, wherein a clamping assembly is arranged on the placing table.

The clamping assembly comprises a first rotating plate, a central hole is formed in the top of the first rotating plate, first rotating shafts are fixedly arranged on two sides of the central hole, the peripheral side face of each first rotating shaft is positioned above the corresponding first rotating plate, a second rotating plate is rotatably matched with the top of the corresponding second rotating plate, a U-shaped plate is fixedly arranged above the corresponding second rotating plate, a limiting hole is formed in one side face of the U-shaped plate, and one end of the U-shaped plate is fixedly provided with a clamping plate.

Limiting plates are fixed on two opposite side surfaces of the placing table, the limiting holes are in sliding fit with the limiting plates, and one end of each limiting plate is fixed with a side plate.

The utility model is further characterized in that the bottom of the placing table is fixedly provided with a swinging motor which is fixedly connected with the central hole.

The utility model is further characterized in that a back baffle is fixed at the top of the placing table, and a plurality of rubber protection strips are arranged on one side surface of the back baffle.

The utility model is further characterized in that the top of the placing table is provided with a horizontal chute, and a limit baffle is fixed in the horizontal chute.

Threaded rods are in running fit between the inner wall of the horizontal chute and the limit baffle.

The utility model is further characterized in that a supporting plate is fixed on one side surface of the placing table, a servo motor is fixedly arranged on the top of the supporting plate, and the output end of the servo motor is fixedly connected with one end of the threaded rod.

The utility model further provides that the threaded rod is in threaded rotation fit with a threaded plate in sliding fit with the horizontal sliding groove, and a positive baffle is fixed on one side surface of the threaded plate.

The utility model has the following beneficial effects:

According to the utility model, the first rotating plate is driven to rotate forward or reversely, the two second rotating plates are driven to do swinging motion by taking the first rotating shaft as the center, in addition, the limiting holes are in sliding fit with the limiting plates, so that the two second rotating plates are parallel to each other in the swinging process, when the distance between the two second rotating shafts is maximum, namely, the distance between the two clamping plates is maximum, the first rotating plates and the two second rotating plates move to the same straight line, when the distance between the two second rotating shafts is minimum, namely, the distance between the two clamping plates is minimum, the included angle between the first rotating plates and the two second rotating plates is maximum or minimum, the device achieves the change of the distance between the two clamping plates through the rotating fit between the first rotating plates and the two second rotating plates, the clamping and positioning of the polyvinylidene fluoride plates are realized, the stability of the device is improved, the problem that the plates fall off in the processing process is avoided, and the processing efficiency is improved.

According to the utility model, the threaded rod is driven to rotate clockwise or anticlockwise, so that the threaded plate which is in sliding fit with the inner wall of the horizontal chute horizontally slides along the direction of the threaded rod, the front baffle plate fixed on one side surface of the threaded plate is driven to approach or separate from the back baffle plate, the arrangement of the front baffle plate and the back baffle plate is achieved, the horizontal clamping and positioning of the polyvinylidene fluoride plate in the other direction in the center of the placing table can be realized, the multi-angle clamping and fixing of the polyvinylidene fluoride plate in the machining process is realized, the clamping stability of the device is improved, and the plurality of rubber protection strips arranged on one side surface of the back baffle plate are used for avoiding the problem that the clamping force of the plate is overlarge in the positioning and clamping process of the device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a positioning jig for processing a polyvinylidene fluoride plate.

Fig. 2 is an enlarged schematic view of a in fig. 1.

Fig. 3 is a bottom view of a positioning jig for machining a polyvinylidene fluoride plate.

Fig. 4 is a schematic structural view of the clamping assembly.

In the drawings, the list of components represented by the various numbers is as follows:

The device comprises a 1-placing table, a 2-clamping assembly, a 3-threaded rod, a 101-limiting plate, a 102-side plate, a 103-swinging motor, a 104-back baffle, a 105-rubber protection bar, a 106-horizontal chute, a 107-limiting baffle, a 108-supporting plate, a 109-servo motor, a 201-first rotating plate, a 202-center hole, a 203-first rotating shaft, a 204-second rotating plate, a 205-second rotating shaft, a 206-U-shaped plate, a 207-limiting hole, a 208-clamping plate, a 301-threaded plate and a 302-positive baffle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the positioning fixture for processing polyvinylidene fluoride plates of the present utility model includes a placing table 1, a clamping assembly 2 disposed on the placing table 1, a first rotating plate 201 disposed on the clamping assembly 2, a central hole 202 disposed on the top of the first rotating plate 201, first rotating shafts 203 disposed on two sides of the central hole 202 and disposed on the top of the first rotating plate 201, a second rotating plate 204 disposed on the peripheral side of the first rotating shaft 203 and rotatably fitted over the first rotating plate 201, a second rotating shaft 205 disposed on the top of the second rotating plate 204 and rotatably fitted over the second rotating shaft 205, a U-shaped plate 206 fixed on the peripheral side of the second rotating plate 204, a limiting hole 207 disposed on one side of the U-shaped plate 206, a clamping plate 208 fixed on one end of the U-shaped plate 206, and limiting plates 101 fixed on two opposite sides of the placing table 1, wherein the limiting hole 207 is slidably fitted with the limiting plate 101, and a side plate 102 is fixed on one end of the limiting plate 101.

Specifically, the bottom of the placement table 1 is fixedly provided with a swing motor 103.

Further, the swing motor 103 is fixedly connected with the center hole 202.

The operation process of this embodiment is that the swing motor 103 fixedly installed at the bottom of the placement table 1 is started in a forward direction or a reverse direction, so that the first rotating plate 201 fixedly connected with the output end of the swing motor 103 rotates in the forward direction or the reverse direction, and drives the two second rotating plates 204 to do swing motion with the first rotating shaft 203 as the center, in addition, the limit holes 207 are in sliding fit with the limit plates 101, so that the two second rotating plates 204 are parallel to each other in the swing process, when the distance between the two second rotating shafts 205 is the largest, i.e. the distance between the two clamping plates 208 is the largest, the first rotating plate 201 and the two second rotating plates 204 move on the same straight line, when the distance between the two second rotating shafts 205 is the smallest, i.e. the distance between the two clamping plates 208 is the smallest, the included angle between the first rotating plate 201 and the two second rotating plates 204 is the largest or the smallest, the device achieves the change of the distance between the two clamping plates 208 through the running fit between the first rotating plates 201 and the two second rotating plates 204, the clamping positioning of the polyvinylidene fluoride plates is achieved, the stability of the device is improved, the problem of falling-off in the machining process is avoided, and the machining efficiency is improved.

Referring to fig. 1-4, in a second embodiment, on the basis of the first embodiment, a back baffle 104 is fixed on the top of the placement table 1, a plurality of rubber protection strips 105 are arranged on one side surface of the back baffle 104, a horizontal chute 106 is formed on the top of the placement table 1, a limit baffle 107 is fixed in the horizontal chute 106, and a threaded rod 3 is in running fit between the inner wall of the horizontal chute 106 and the limit baffle 107.

Specifically, a supporting plate 108 is fixed on one side surface of the placement table 1, a servo motor 109 is fixedly installed on the top of the supporting plate 108, and the output end of the servo motor 109 is fixedly connected with one end of the threaded rod 3.

Further, a threaded plate 301 in sliding fit with the horizontal chute 106 is in threaded rotation fit with the circumferential side surface of the threaded rod 3, and a positive baffle 302 is fixed to one side surface of the threaded plate 301.

The operation process of the embodiment is that by starting the servo motor 109 fixedly installed at the top of the supporting plate 108, the threaded rod 3 fixedly connected with the output end of the servo motor 109 rotates clockwise or anticlockwise between the inner wall of the horizontal chute 106 and the limit baffle 107, the threaded plate 301 which is in sliding fit with the inner wall of the horizontal chute 106 horizontally slides along the direction of the threaded rod 3 through the threaded rotation fit of the threaded plate 301, the front baffle plate 302 fixed on one side of the threaded plate 301 is driven to approach or separate from the back baffle plate 104, the arrangement of the front baffle plate 302 and the back baffle plate 104 is achieved, the horizontal clamping and positioning of the polyvinylidene fluoride plate in the other direction in the center of the placing table can be achieved, the device achieves multi-angle clamping and fixing in the machining process of the polyvinylidene fluoride plate, the clamping stability of the device is improved, and the plurality of rubber protection strips 105 arranged on one side of the back baffle plate 104 avoid the problem of overlarge plate clamping force in the positioning and clamping process of the device.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. A positioning fixture for processing a polyvinylidene fluoride plate, comprising a placement table (1); characterized in that: a clamping assembly (2) is arranged on the placement table (1);

The clamping assembly (2) comprises a first rotating plate (201), a center hole (202) is formed at the top of the first rotating plate (201), first rotating shafts (203) are fixed on both sides of the center hole (202) at the top of the first rotating plate (201), a second rotating plate (204) is rotatably matched with the first rotating shaft (203) on the side surface above the first rotating plate (201), a second rotating shaft (205) is rotatably matched with the top of the second rotating plate (204), a U-shaped plate (206) is fixed on the side surface of the second rotating shaft (205) above the second rotating plate (204), a limiting hole (207) is formed on one side of the U-shaped plate (206), and a clamping plate (208) is fixed on one end of the U-shaped plate (206);

The placing platform (1) has limit plates (101) fixed on both opposite sides thereof, the limit holes (207) are slidably engaged with the limit plates (101), and a side plate (102) is fixed to one end of the limit plate (101).

2. A positioning fixture for processing polyvinylidene fluoride plates according to claim 1, characterized in that a swing motor (103) is fixedly installed at the bottom of the placement table (1), and the swing motor (103) is fixedly connected to the center hole (202).

3. A positioning fixture for processing polyvinylidene fluoride plates according to claim 2, characterized in that a back baffle (104) is fixed on the top of the placement table (1), and a plurality of rubber protection strips (105) are arranged on one side of the back baffle (104).

4. A positioning fixture for processing polyvinylidene fluoride plates according to claim 3, characterized in that a horizontal slide groove (106) is provided on the top of the placement table (1), and a limit stopper (107) is fixed in the horizontal slide groove (106);

A threaded rod (3) is rotatably engaged between the inner wall of the horizontal slide groove (106) and the limit baffle (107).

5. A positioning fixture for processing polyvinylidene fluoride plates according to claim 4, characterized in that a support plate (108) is fixed to one side of the placement table (1), a servo motor (109) is fixedly installed on the top of the support plate (108), and an output end of the servo motor (109) is fixedly connected to one end of the threaded rod (3).

6. A positioning fixture for processing polyvinylidene fluoride plates according to claim 5, characterized in that the threaded rod (3) has a threaded plate (301) that is rotatably engaged with the horizontal slide groove (106) through a threaded surface, and a positive baffle (302) is fixed to one side of the threaded plate (301).