CN216913499U

CN216913499U - Tool clamping unblock control structure

Info

Publication number: CN216913499U
Application number: CN202123183960.0U
Authority: CN
Inventors: 陈祖华; 覃奕铭
Original assignee: Haoxing Intelligent Equipment Dongguan Co ltd
Current assignee: Haoxing Intelligent Equipment Dongguan Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-07-08
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a jig clamping and unlocking control structure which comprises a jig body, a fixed limiting part, a movable limiting part and a control assembly, wherein the fixed limiting part is arranged on the jig body; the top of the jig body is provided with a workpiece placing position; the movable limiting part and the fixed limiting part are positioned around the workpiece placing position in a spaced manner; the control assembly comprises a base, a reset elastic piece, a pushed piece, a pushing piece and a lifting driving device, wherein the reset elastic piece is connected between the base and the movable limiting part and provides reset elasticity for the movable limiting part to move towards the jig body along a set direction; the movable limiting part is connected with the pushed piece, the lifting driving device drives the pushing piece to lift, the pushing piece is provided with a linkage face, and the linkage face is arranged in a gradually-high mode towards a set direction. The control component is used for controlling the movable limiting part to selectively move towards the jig body or to be away from the jig body, so that the workpiece can be clamped and positioned or unlocked, and the workpiece can be automatically taken and placed.

Description

Tool clamping unblock control structure

Technical Field

The utility model relates to the technical field of automation equipment, in particular to a jig clamping and unlocking control structure.

Background

The tool, also can indicate the carrier, its mainly used loads the work piece, it puts the position to be provided with the work piece usually on the tool, in the conventional art, generally adopt the manual work to put the work piece into the work piece and put the position, if the location requirement of work piece on the tool is higher, still dispose location knot or location clamp on the tool generally, consequently, after the manual work is put the work piece into the work piece and is placed the position, still need manually to detain the location or the location clamp upset is held in order to press on the work piece, the troublesome poeration, the work piece is packed into on the tool, the work efficiency that the work piece was taken off from the tool is all lower, be unfavorable for further promotion of production efficiency.

However, in some cases where the entire top of the workpiece needs to be exposed, it is not suitable to use the aforementioned positioning fastener or positioning clip to turn over to press and hold the workpiece, so that a vacuum suction surface is provided on the jig to generate a vacuum suction force to the bottom of the workpiece. It is well known that vacuum adhesion reliability is limited by a number of factors, such as: 1. when the contact tightness between the workpiece and a workpiece placing position is not ideal, the size of vacuum adsorption force is easily influenced, and even the vacuum adsorption is failed; 2. the working stability of the vacuum pumping device also affects the size of vacuum adsorption force, the current situations cause the placing and positioning reliability of the vacuum adsorbed workpiece on the jig, the problem of non-ideality still exists, and particularly for the workpiece with high requirements on processing quality and precision, the defect rate is high easily, and the production cost of enterprises is not easy to control.

Therefore, a new technical solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to the defects in the prior art, and a primary object of the present invention is to provide a jig clamping and unlocking control structure, in which a control assembly is used to control a movable limiting portion to selectively move toward or away from a jig body, so as to achieve clamping and positioning of a workpiece or unlocking of the workpiece, so that the workpiece can be automatically picked and placed, and the control assembly has a smart and reasonable structural design, so that the movable limiting portion and the jig body are kept in a normally clamped state, thereby facilitating stable clamping of the workpiece.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a jig clamping and unlocking control structure comprises a jig body, a fixed limiting part, a movable limiting part and a control component for controlling the movable limiting part to selectively move towards or away from the jig body; wherein: the top of the jig body is provided with a workpiece placing position; the movable limiting part and the fixed limiting part are arranged around the workpiece placing position in a spaced mode, and the fixed limiting part is fixed relative to the jig body;

the control assembly comprises a base, a reset elastic piece, a pushed piece, a pushing piece and a lifting driving device, wherein the reset elastic piece is connected between the base and the movable limiting part and provides reset elasticity for the movable limiting part to move towards the jig body along a set direction; the movable limiting part is connected with the pushed piece, the lifting driving device drives the pushing piece to lift, the pushing piece is provided with a linkage surface, and the linkage surface is arranged towards the set direction and gradually rises.

As a preferred scheme, the tool body is quadrilateral, the fixed limiting parts are respectively provided with two adjacent side surfaces of the tool body so as to limit two adjacent side surfaces of the workpiece placing position, the movable limiting parts are provided with V-shaped limiting surfaces, and the V-shaped limiting surfaces are arranged corresponding to the other two adjacent side surfaces of the workpiece placing position.

As a preferable scheme, the movable limiting part is connected with a sliding block, a sliding rail extending along the set direction is arranged on the base, and the sliding block is arranged along the sliding rail in a sliding manner; the pushed piece is connected to the sliding block.

As a preferable scheme, a stroke stopping part is arranged on the base and is located between the sliding block and the jig body.

Preferably, the base has an upwardly extending mounting portion, and the return elastic member is connected between the slider and the mounting portion.

Preferably, the pushed part is provided with a circular wheel part, and the circular wheel part is provided with a circumferential surface for pushing the linkage surface.

Preferably, the circular wheel portion is rotatable about its own circular center.

As a preferable scheme, the pushing member is further provided with a step surface far away from the side of the jig body, and the step surface is lower than the lower end of the linkage surface.

As a preferred scheme, a plurality of vacuum adsorption holes are formed in the workpiece placing position at the top of the jig body, and a vacuum interface is arranged on the side face of the jig body.

As an optimal scheme, the jig body is arranged along a conveying track in a sliding mode, more than two control assemblies are arranged along the conveying track at intervals, and each control assembly is connected with a movable limiting part.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, and specifically, the technical scheme includes that: the fixture mainly comprises a fixture body, a fixed limiting part, a movable limiting part and a control assembly, wherein the control assembly is used for controlling the movable limiting part to selectively move towards or away from the fixture body, so that the workpiece can be automatically picked and placed by realizing the positioning of clamping the workpiece or unlocking the workpiece, and the control assembly is ingenious and reasonable in structural design, so that the movable limiting part and the fixture body are kept in a normally clamped state, and the fixture is favorable for stably clamping the workpiece.

Secondly, for the vacuum-adsorbed workpiece, the movable limiting part and the fixed limiting part clamp and position the workpiece, so that the effect of assisting vacuum adsorption positioning is achieved, the problem that the workpiece is not ideal in positioning when the vacuum adsorption positioning is unstable is avoided, the workpiece is ensured to be reliably and accurately positioned, the improvement of the processing quality and the processing precision of the workpiece is facilitated, and the automatic processing requirement of the workpiece with high requirements on the processing quality and the processing precision can be met.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a view of an assembled structure of an embodiment of the present invention (unlocked state);

FIG. 2 is a view of another assembly structure of the embodiment of the present invention (clamping and locking state);

FIG. 3 is a first partial structural view of the embodiment of the present invention (mainly showing the top structure of the fixture body);

FIG. 4 is a diagram of a second partial structure of the embodiment of the present invention (mainly showing the bottom structure of the fixture body);

FIG. 5 is a third partial structural view of the embodiment of the present invention (mainly showing the structure of the cylinder and the urging member).

The attached drawings indicate the following:

jig body 10 workpiece placing position 11

Vacuum suction hole 12 and vacuum port 13

Fixed stop part 20 and movable stop part 30

V-shaped limiting surface 31 sliding block 32

Workpiece 50 on conveying rail 40

Base 60 slide rail 61

Travel stop 62 mounting 63

Return spring 70 pushed member 80

Circular wheel part 81

Lifting driving device 91 of pushing piece 90

Coupling surface 901 step surface 902

Vertical surface 903.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "upper", "lower", "front", "rear", "left", "right", etc., indicating the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and operation, and should not be construed as limiting the specific scope of the present invention.

Referring to fig. 1 to 5, specific structures of embodiments of the present invention are shown.

A jig clamping and unlocking control structure comprises a jig body 10, a fixed limiting part 20, a movable limiting part 30 and a control component for controlling the movable limiting part 30 to selectively move towards the jig body 10 or to be far away from the jig body 10; wherein: a workpiece placing position 11 is arranged at the top of the jig body 10; the movable limiting part 30 and the fixed limiting part are located around the workpiece placing position 11 at intervals, and the fixed limiting part 30 is fixed relative to the jig body 10. The jig body 10 is quadrilateral, the fixed limiting parts 30 are respectively provided with two adjacent side faces of the jig body 10 to limit two adjacent side faces of the workpiece placing position 11, the movable limiting parts 30 are provided with V-shaped limiting faces 31, the V-shaped limiting faces 31 are arranged corresponding to the other two adjacent side faces of the workpiece placing position 11, and preferably, the V-shaped limiting faces 31 are arranged at an included angle of 90 degrees. In this embodiment, the jig body 10 is rectangular.

In this embodiment, the top of the jig body 10 is provided with a plurality of vacuum suction holes 12 in the workpiece placing position 11, and the side of the jig body 10 is provided with a vacuum interface 13. The top of the jig body 10 is a plane and can be used for placing sheets such as membranes, glass sheets and the like. The jig body 10 is slidably disposed along a conveying track 40, the control assemblies are spaced along the conveying track 40 by two or more, and each control assembly is connected with a movable limiting portion 30. The movable fixture can correspondingly clamp the workpiece 50 or unlock the workpiece 50 according to different station requirements when sliding on the conveying track 40, so that the workpiece 50 can be automatically taken and placed.

The control assembly comprises a base 60, a reset elastic piece 70, a pushed piece 80, a pushing piece 90 and a lifting driving device 91, wherein the reset elastic piece 70 is connected between the base 60 and the movable limiting part 30, and the reset elastic piece 70 provides reset elasticity for the movable limiting part 30 to move towards the jig body 10 along a set direction; the movable limiting portion 30 is connected to the pushed element 80, the lifting driving device 91 drives the pushing element 90 to move up and down, the pushing element 90 has a coupling surface 901, and the coupling surface 901 is arranged to be gradually higher toward the set direction. The lifting driving device 91 is preferably an air cylinder, a piston rod of the air cylinder extends upwards vertically, the pushing piece 90 is connected to the outer end of the piston rod, when the piston rod of the air cylinder drives the pushing piece 90 to move upwards, the coupling surface 901 pushes the pushed piece 80 to move away from the jig body 10 (also referred to as the opposite direction of the set direction), so that the movable limiting part 30 moves away from the jig body 10 along with the pushing piece 90, clamping of a workpiece on the jig body 10 is relieved, and the workpiece can be taken out at this time. At this time, the elastic restoring element 70 (pressure spring) is in a compressed energy storage state, and after the next workpiece is placed on the workpiece placing position 11 of the fixture body 10, the piston rod of the cylinder retracts toward the cylinder body to drive the pushing element 90 to move downward, the linkage surface 901 is separated from the pushed element 80 to remove the limitation on the pushed element 80, at this time, the pushed element 80 moves toward the fixture body 10 under the action of the restoring elastic force of the elastic restoring element 70, and meanwhile, the movable limiting portion 30 also moves toward the fixture body 10 along a set direction along with the pushed element 80 until the movable limiting portion 30 abuts against the fixture body 10, so that the movable limiting portion 30 and the fixed limiting portion 30 form clamping and positioning of the workpiece around the workpiece. The movable limiting part 30 and the jig body 10 are kept in a normally clamped state, which is beneficial to considering the clamping stability of the workpiece.

The movable limiting part 30 is connected with a sliding block 32, a sliding rail 61 extending along the set direction is arranged on the base 60, and the sliding block 32 is arranged along the sliding rail 61 in a sliding manner; the pushed piece 80 is connected to the slider 32. The base 60 is provided with a stroke stop 62, and the stroke stop 62 is located between the slider 32 and the jig body 10. The base 60 has a mounting portion 63 extending upward, and the return elastic member 70 is connected between the slider 32 and the mounting portion 63. Generally, a guide rod can be arranged on the mounting portion 63, the spring is sleeved on the guide rod, a through hole is formed in the sliding block 32, when the sliding block 32 displaces, the sliding block 32 displaces along the guide rod through the matching of the through hole and the guide rod, and the sliding block 32 and the sliding rail 61 are matched through the matching of the guide rod and the through hole, so that double guiding and positioning are achieved for the displacement direction of the sliding block 32, and the displacement action is accurate and reliable. The guide bar may be connected to the slider 32 and the through hole may be provided in the mounting portion 63, which corresponds to interchanging the positions of the guide bar and the through hole.

The pushed part 80 is provided with a circular wheel part 81, the circular wheel part 81 is provided with a circumferential surface for pushing the linkage surface 901, and the circular wheel part 81 can rotate around the center of the circle thereof, so that the pushing part 90 and the pushed part 80 are matched more smoothly, and the clamping stagnation phenomenon is avoided. When a predetermined direction is defined as a forward direction, the axial direction of the circular wheel portion 81 is a left-right direction, and the interlocking surface 901 is provided on the rear side of the pusher 90. The pushing piece 90 is further provided with a step surface 902 far away from the side of the jig body 10, and the step surface 902 is lower than the lower end of the coupling surface 901. Here, a vertical surface 903 is further joined to a lower end of the interlocking surface 901, so that a space is formed between a rear side of the vertical surface 903 and the stepped surface 902, and the circular wheel portion 81 is located in the space when the piston rod of the cylinder is lowered to a position.

The important design point of the utility model is that the jig body 10, the fixed limiting part 30, the movable limiting part 30 and the control component are arranged, the control component is used for controlling the movable limiting part 30 to selectively move towards the jig body 10 or to be away from the jig body 10, so that the clamping positioning or unlocking of the workpiece 50 is realized, the workpiece 50 can be automatically taken and placed, the structural design of the control component is ingenious and reasonable, the movable limiting part 30 and the jig body 10 are kept in a normally clamped state, and the stable clamping of the workpiece 50 is facilitated.

Secondly, for the vacuum-adsorbed workpiece 50, the movable limiting part 30 and the fixed limiting part 30 clamp and position the workpiece 50, so that the effect of assisting vacuum adsorption positioning is achieved, the problem that the workpiece is not ideal in positioning when the vacuum adsorption positioning is unstable is avoided, the workpiece is ensured to be reliably and accurately positioned, the processing quality and the processing precision of the workpiece 50 are improved, and the automatic processing requirement of the workpiece with high requirements on the processing quality and the processing precision can be met.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. The utility model provides a tool clamping unblock control structure which characterized in that: comprises a jig body, a fixed limiting part, a movable limiting part and a control component for controlling the movable limiting part to selectively move towards or away from the jig body; wherein: the top of the jig body is provided with a workpiece placing position; the movable limiting part and the fixed limiting part are positioned around the workpiece placing position in an interval manner, and the fixed limiting part is fixed relative to the jig body;

2. The jig clamping and unlocking control structure according to claim 1, wherein: the jig body is quadrilateral, the fixed limiting parts are respectively provided with two adjacent side faces of the jig body to limit two adjacent side faces of the workpiece placing position, the movable limiting parts are provided with V-shaped limiting faces, and the V-shaped limiting faces are arranged corresponding to the other two adjacent side faces of the workpiece placing position.

3. The jig clamping and unlocking control structure according to claim 1 or 2, characterized in that: the movable limiting part is connected with a sliding block, a sliding rail extending along the set direction is arranged on the base, and the sliding block is arranged along the sliding rail in a sliding manner; the pushed piece is connected to the sliding block.

4. The jig clamping and unlocking control structure according to claim 3, wherein: the base is provided with a stroke stopping part, and the stroke stopping part is positioned between the sliding block and the jig body.

5. The jig clamping and unlocking control structure according to claim 3, wherein: the base has the installation department that upwards extends, the elastic component that resets is connected between slider and installation department.

6. The jig clamping and unlocking control structure according to claim 1, wherein: the pushed piece is provided with a circular wheel part, and the circular wheel part is provided with a circumferential surface for the linkage surface to push.

7. The jig clamping and unlocking control structure according to claim 6, wherein: the circular wheel portion is rotatable about its own circular center.

8. The jig clamping and unlocking control structure according to claim 1, wherein: the pushing piece is further provided with a step surface far away from the side where the jig body is located, and the step surface is lower than the lower end of the linkage surface.

9. The jig clamping and unlocking control structure according to claim 1, wherein: the fixture comprises a fixture body and is characterized in that a plurality of vacuum adsorption holes are formed in a workpiece placing position at the top of the fixture body, and a vacuum interface is arranged on the side face of the fixture body.

10. The jig clamping and unlocking control structure according to claim 1, wherein: the jig body is arranged along a conveying track in a sliding mode, the control assemblies are arranged more than two along the conveying track, and each control assembly is connected with a movable limiting portion.