CN209919751U

CN209919751U - Self-locking tool clamp

Info

Publication number: CN209919751U
Application number: CN201920690844.1U
Authority: CN
Inventors: 王海峰
Original assignee: Ningbo Universal Industry Automation Co Ltd
Current assignee: Ningbo Junpu Intelligent Manufacturing Co., Ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-01-10
Anticipated expiration: 2029-05-14

Abstract

The utility model relates to the technical field of tool fixtures, in particular to a self-locking tool fixture, which comprises a fixed plate (2) and a mounting seat (3) arranged on the fixed plate (2), wherein two pressing blocks (5) are arranged around the mounting seat (3), a sliding rod (4) and a reset spring (6) are arranged between the two pressing blocks (5), and the pressing blocks (5) are in sliding connection with the sliding rod (4); a floating supporting plate (31) is arranged in the mounting seat (3), and a jacking spring (32) is arranged at the bottom of the floating supporting plate (31). The utility model discloses a gas generator is fixed to mount pad and the briquetting that can control to open and shut, through connecting spring, mount pad bottom set up the location auto-lock that the spring realized frock clamp between the briquetting, effective fixed gas generator in location, guarantee assembly quality and satisfy the technological requirement.

Description

Self-locking tool clamp

Technical Field

The utility model relates to a frock clamp technical field, concretely relates to auto-lock frock clamp.

Background

The final step of assembling the airbag inflator is to assemble a short circuit clip in the inflator, so a tooling clamp for positioning and fixing the inflator is needed. The positioning and fixing clamp of the existing gas generator is provided with a product fixing seat with a profiling cavity, then the gas generator is put in, and the positioning is realized by the self weight of the gas generator. This results in inaccurate positioning and large errors.

In view of the above-mentioned drawbacks, the authors of the present invention have finally obtained the present invention through long-term research and practice.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one aspect of the technical defects to a certain extent, the utility model adopts the technical scheme that the self-locking tool clamp comprises a fixed plate and a mounting seat arranged on the fixed plate, two pressing blocks are arranged around the mounting seat, a sliding rod and a reset spring are arranged between the two pressing blocks, and the pressing blocks are connected with the sliding rod in a sliding manner; a floating supporting plate is arranged in the mounting seat, and a jacking spring is arranged at the bottom of the floating supporting plate.

Optionally, still include the triangle slide and set up bearing on the briquetting, one side of triangle slide with the bearing is contradicted, promotes the triangle slide can make the bearing drives the briquetting removes.

Optionally, the mount pad bottom is equipped with the spring mounting hole, the jacking spring sets up in the spring mounting hole, just jacking spring one end is contradicted the layer board that floats, the jacking spring other end is contradicted the fixed plate.

Optionally, the bottom of the floating supporting plate is provided with a limiting part, the limiting part comprises a positioning column and a limiting block, the bottom of the mounting seat is provided with a positioning hole, the positioning column penetrates through the positioning hole, and the limiting block is located at the bottom of the positioning hole.

Optionally, the number of the jacking springs and the number of the limiting pieces are three, and the jacking springs and the limiting pieces are circumferentially and uniformly distributed in a staggered manner.

Optionally, the pressing block comprises a sliding portion and a pressing portion, the sliding portion is connected with the sliding rod in a sliding mode, and the pressing portion is provided with a profiling structure matched with the end face of the gas generator.

Optionally, a fixing screw is disposed on one side of the sliding portion, and two ends of the return spring are respectively connected to the fixing screws of the sliding portion.

Optionally, a movable pin is arranged on the fixing plate, a positioning hole is formed in the bottom of the pressing block, and the movable pin is used for being inserted into the positioning hole to lock the pressing block.

Optionally, the movable pin is connected to a driving device, and the driving device is used for pulling the movable pin to be pulled out of the positioning hole.

Optionally, the movable pin is a knob plunger.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a gas generator is fixed to mount pad and the briquetting that can control to open and shut, through connecting spring, mount pad bottom set up the location auto-lock that the spring realized frock clamp between the briquetting, effective fixed gas generator in location, guarantee assembly quality and satisfy the technological requirement.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is a close-up view of the self-locking tool holder of the present invention;

FIG. 2 is an open state view of the self-locking tool clamp of the present invention;

FIG. 3 is an external structural view of the fixing plate and the mounting seat of the self-locking tool clamp of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a diagram showing the relationship between the triangular slide plate and the bearing of the self-locking tool clamp of the present invention;

FIG. 6 is a position view of the movable pin and the positioning hole of the self-locking tool clamp of the present invention;

fig. 7 is a connection relationship diagram of the second cylinder and the movable pin of the self-locking tool clamp of the present invention.

Description of reference numerals:

1-gas generator 2-fixed plate 3-mounting seat 31-floating supporting plate 32-jacking spring 33-positioning column 34-limiting block 35-mounting seat body 36-fixed block 4-sliding rod 5-pressing block 51-bearing 52-sliding part 53-pressing part 54-fixing screw 55-positioning hole 6-reset spring 7-triangular sliding plate 8-movable pin 9-first cylinder 10-second cylinder

Detailed Description

The above and further features and advantages of the present invention will be described in more detail below with reference to the accompanying drawings.

In addition, the references made in the embodiments of the present invention to directional indications (such as up, down, left, right, front, and rear … …) are merely used to explain the relative positional relationship between the components, the movement, and the like in a certain posture (as shown in the drawings), and if the certain posture is changed, the directional indication is changed accordingly.

If there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

As shown in fig. 1, 2 and 3, a self-locking tool clamp includes a fixing plate 2 for fixing and supporting, and a mounting seat 3 is fixedly mounted on the fixing plate 2. The mount 3 includes a mount body 35 and fixing blocks 36 fixedly provided on both sides of the mount body 35. The mounting seat body 35 is used for placing the gas generator 1, the mounting seat body 35 is of a barrel-shaped structure, and the bottom of the mounting seat body is fixedly connected with the fixing plate 2. The fixed block 36 is provided with through holes with parallel axes, and the through holes are internally and slidably connected with the slide bars 4. Two pressing blocks 5 are arranged around the mounting base 3, and the two pressing blocks 5 are both in sliding connection with the sliding rod 4. When the two pressing blocks 5 slide along the slide rod 4 in opposite directions, the two pressing blocks 5 embrace the cage towards the center of the mounting seat 3; when the two pressing blocks 5 slide relatively along the sliding rod 4, the two pressing blocks 5 are far away from the center of the mounting seat 3, and the gas generator 1 can be placed in the mounting seat 3 at the moment. A return spring 6 is connected between the two pressing blocks 5, the axis of the return spring 6 is parallel to the sliding rod 4, the two pressing blocks 5 are tensioned by the return spring 6 under the action of no external force, so that the gas generator 1 is pressed, a floating supporting plate 31 parallel to the bottom of the mounting seat 3 is arranged in the mounting seat 3, and a jacking spring 32 is arranged at the bottom of the floating supporting plate 31.

The utility model discloses a mount pad 3 with can control the fixed gas generator 1 of 5 briquetting that open and shut, through connect reset spring 6 between briquetting 5, mount pad 3 bottom sets up the location auto-lock that jacking spring 32 realized frock clamp, effective fixed gas generator 1 in location, guarantee assembly quality and satisfy the technological requirement.

The pressing piece 5 includes a sliding portion 52 and a pressing portion 53, and the pressing portion 53 is fixedly provided above the sliding portion 52. The sliding part 52 is provided with a sliding hole coaxial with the sliding rod 4, and the sliding rod 4 passes through the sliding hole to realize the relative sliding of the pressing block 5 and the sliding rod 4. The two ends of the sliding rod 4 are provided with blocking pieces fixedly connected with the sliding rod 4, and the pressing block 5 is limited on the sliding rod 4. The outer side of each sliding part 52 is fixedly connected with a fixing screw 54, one end of the return spring 6 is connected with the fixing screw 54 on one sliding part 52, and the other end of the return spring 6 is connected with the fixing screw 54 on the other sliding part 52.

Preferably, the opposite side of pressing portion 53 is provided with a profiling structure matched with the end face of gas generator 1, and the profiling structure is an arc face, so that the collision with the upper portion of gas generator 1 can be realized, and the collision with the side portion of gas generator 1 can be realized.

As shown in fig. 3 and 4, a floating support plate 31 parallel to the bottom surface of the mount body 35 is provided in the mount body 35. The bottom of the mounting seat body 35 is provided with a spring mounting hole, and the axis of the spring mounting hole is perpendicular to the bottom surface of the mounting seat body 35. The spring mounting hole is internally provided with a jacking spring 32. One end of the jacking spring 32 abuts against the floating supporting plate 31, and the other end of the jacking spring 32 abuts against the fixed plate 2. The bottom of the floating supporting plate 31 is provided with a limiting part, the limiting part comprises a positioning column 33 and a limiting block 34, and the limiting block 34 is fixedly installed at the lower part of the positioning column 33. The bottom of the mounting seat body 35 is provided with a positioning hole with an axis perpendicular to the bottom surface of the mounting seat body 35, the upper part of the positioning column 33 passes through the mounting hole, namely the limiting block 34 is positioned at the bottom of the positioning hole, and the top of the positioning column 33 is fixedly connected with the bottom surface of the floating supporting plate 31.

In this embodiment, the number of jacking spring 32 and locating part is three, and jacking spring 32 and locating part circumference evenly staggered distribution, because a plane of three point location, consequently can effectively ensure the steady of support.

Referring to fig. 2 and 5, the self-locking tool clamp of the present invention further includes a triangular sliding plate 7 and a bearing 51 disposed on the top surface of the pressing portion 53 of the pressing block 5, wherein the triangular sliding plate 7 is disposed between the two bearings 51. The triangular sliding plate 7 is a right-angle plate, the bevel edge of the triangular sliding plate 7 is abutted against the side wall of the bearing 51, and the triangular sliding plate 7 is connected with the first cylinder 9. The first air cylinder 9 is used for driving the triangular sliding plate 7 to press the bearings 51, so that the distance between the two bearings 51 is increased, and the two pressing blocks 5 are driven to be opened.

As shown in fig. 6 and 7, the fixing plate 2 is provided with a movable pin 8, the movable pin 8 is movable relative to the fixing plate 2, the bottom of the sliding portion 52 of the pressing block 5 is provided with a positioning hole 55, and the movable pin 8 can extend into the positioning hole 55 to lock the pressing block 5. The movable pin 8 is connected to a driving device for pulling the movable pin 8 to be pulled out from the positioning hole 55. The driving device of the present embodiment is the second cylinder 10, but it is needless to say that the driving device may be an electric cylinder, a linear motor, or the like. Preferably, the movable pin 8 is a knob plunger, and a pin head of the knob plunger can extend into the positioning hole 55.

The utility model discloses a concrete implementation process does: the second cylinder 10 pulls the movable pin 8 to be pulled out of the positioning hole 55, the triangular sliding plate 7 extrudes the bearing 51 to open the pressing block 5, and then the gas generator 1 is placed into the mounting seat 3 by the clamping jaw (the clamping jaw temporarily presses the gas generator 1 to be not separated); then, the triangular sliding plate 7 retreats, and the pressing block 5 holds the top of the gas generator 1 under the action of the return spring 6; finally, the jaws are removed, and the floating pallet 31 floats upward under the urging force of the jacking spring 32, thereby pressing the gas generator 1 between the press block 5 and the floating pallet 31.

The foregoing is only a preferred embodiment of the present invention, which is illustrative, not limiting. Those skilled in the art will appreciate that many variations, modifications, and equivalents may be made thereto without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The self-locking tool clamp is characterized by comprising a fixed plate (2) and a mounting seat (3) arranged on the fixed plate (2), wherein two pressing blocks (5) are arranged around the mounting seat (3), a sliding rod (4) and a return spring (6) are arranged between the two pressing blocks (5), and the pressing blocks (5) are in sliding connection with the sliding rod (4); a floating supporting plate (31) is arranged in the mounting seat (3), and a jacking spring (32) is arranged at the bottom of the floating supporting plate (31).

2. The self-locking tool clamp of claim 1, further comprising a triangular sliding plate (7) and a bearing (51) arranged on the pressing block (5), wherein one side of the triangular sliding plate (7) is abutted against the bearing (51), and the triangular sliding plate (7) is pushed to enable the bearing (51) to drive the pressing block (5) to move.

3. The self-locking tool clamp of claim 1, wherein a spring mounting hole is formed in the bottom of the mounting seat (3), the jacking spring (32) is arranged in the spring mounting hole, one end of the jacking spring (32) abuts against the floating supporting plate (31), and the other end of the jacking spring (32) abuts against the fixed plate (2).

4. The self-locking tool clamp as claimed in claim 3, wherein the floating support plate (31) is provided with a limiting part at the bottom, the limiting part comprises a positioning column (33) and a limiting block (34), the mounting base (3) is provided with a positioning hole at the bottom, the positioning column (33) passes through the positioning hole, and the limiting block (34) is located at the bottom of the positioning hole.

5. The self-locking tool clamp of claim 4, wherein the number of the jacking springs (32) and the limiting pieces is three, and the jacking springs (32) and the limiting pieces are circumferentially and uniformly distributed in a staggered manner.

6. The self-locking tool clamp according to claim 1, wherein the pressing block (5) comprises a sliding portion (52) and a pressing portion (53), the sliding portion (52) is connected with the sliding rod (4) in a sliding mode, and the pressing portion (53) is provided with a profiling structure matched with the end face of the gas generator (1).

7. The self-locking tool clamp according to claim 6, wherein a fixing screw (54) is arranged on one side of the sliding portion (52), and two ends of the return spring (6) are respectively connected with the fixing screws (54) of the two sliding portions (52).

8. The self-locking tool clamp according to claim 1, wherein a movable pin (8) is arranged on the fixing plate (2), a positioning hole (55) is formed in the bottom of the pressing block (5), and the movable pin (8) is used for being inserted into the positioning hole (55) to lock the pressing block (5).

9. Self-locking tool clamp according to claim 8, wherein said movable pin (8) is connected to a driving device for pulling said movable pin (8) out of said positioning hole (55).

10. Self-locking tool clamp according to claim 9, wherein the movable pin (8) is a knob plunger.