CN213864615U

CN213864615U - Synchronous tensioning chuck

Info

Publication number: CN213864615U
Application number: CN202022326964.9U
Authority: CN
Inventors: 陈德和
Original assignee: Universal PCB Equipment Co Ltd
Current assignee: Universal PCB Equipment Co Ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-08-03
Anticipated expiration: 2030-10-19

Abstract

The utility model belongs to the technical field of electronic equipment, in particular to a synchronous tensioning chuck which comprises a clamping mechanism and a tensioning mechanism, wherein the clamping mechanism is used for clamping a piece to be tensioned; tensioning mechanism includes flexible driving piece and two extensible members, every all be provided with on the extensible member clamping mechanism, flexible driving piece can drive two the synchronous reverse movement of extensible member to the tensioning exhibition is flat treat the surface of tensioning piece. The clamping mechanism is used for clamping two opposite ends of the to-be-tensioned part, the clamping mechanism is arranged on the telescopic part of the tensioning mechanism, the output end of the telescopic driving part of the tensioning mechanism is connected with the telescopic part and can drive the two telescopic parts to synchronously and reversely move, and the two ends of the to-be-tensioned part in a bending state are tensioned and leveled under the action of the tensioning mechanism.

Description

Synchronous tensioning chuck

Technical Field

The utility model relates to an electronic equipment technical field especially relates to a synchronous tensioning plate (holding) chuck.

Background

A Printed Circuit Board (hereinafter, referred to as a "PCB") is used for electronic products, the PCB is intended for automatic mass production, when a flexible thin-plate PCB is clamped and electroplated, a manipulator generally fixes the flexible PCB by using a suction cup or a chuck, but due to the weight of the PCB, the plane of the PCB is naturally bent downward, and when the PCB is electroplated, the electroplating thickness of the surface of the PCB is not uniform; in addition, the chuck in the prior art usually adopts a screw and nut combined structure, so that one end of the PCB is fixedly clamped, the other end of the PCB is stretched, the stretching flatness of the PCB cannot be effectively guaranteed, and the batch production of the PCB is influenced.

Therefore, a need exists for a simultaneous tensioning chuck to address the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a synchronous tensioning plate (holding) chuck makes the flexible PCB board wait for the both ends synchronous tensile of tensioning piece to guarantee the surface smoothness that the flexible PCB board waited for the tensioning piece.

In order to realize the purpose, the following technical scheme is provided:

a simultaneous tensioning chuck, comprising:

the clamping mechanism is used for clamping the piece to be tensioned;

straining device, straining device includes flexible driving piece and two extensible members, every all be provided with on the extensible member clamping mechanism, flexible driving piece can drive two synchronous reverse movement of extensible member is with the tensioning exhibition is flat treat the surface of tensioning piece.

As an alternative of the synchronous tensioning chuck, the telescopic member comprises a first connecting member and a second connecting member, one end of the first connecting member is connected with the telescopic driving member, the other end of the first connecting member is vertically connected with the second connecting member, and the second connecting member is provided with at least two clamping mechanisms.

As an alternative to the simultaneous tensioning of the chucks, the first and second connectors are both elongate.

As an alternative to the synchronous tensioning chuck, the clamping mechanism includes a fixed jaw and a clamping assembly, the clamping assembly and the fixed jaw are both disposed on the second connecting member, and an output end of the clamping assembly is movable in a direction close to or away from the fixed jaw to cooperate with the fixed jaw to clamp the member to be tensioned.

As an alternative to the synchronous tensioning chuck, the clamping assembly comprises a clamping jaw and a clamping drive, the clamping drive is arranged on the second connecting piece, the clamping jaw is arranged at the output end of the clamping drive, and the clamping drive can drive the clamping jaw to move in the direction close to or far away from the fixed jaw.

As an alternative to the simultaneous tensioning of the clamping chuck, the height of the fixing jaws is smaller than the height of the clamping jaws.

As an alternative to the synchronous tensioning chuck, the clamping jaw is provided with a first protrusion, the fixed jaw is provided with a second protrusion, and the first protrusion can cooperate with the second protrusion to clamp the to-be-tensioned member.

As an alternative to the simultaneous tensioning chuck, the simultaneous tensioning chuck further comprises a support frame comprising a first support and a second support, the second support extending in the direction of movement of the telescopic member, the telescopic drive being mounted on the first support, the second connection being in sliding connection with the second support.

As an alternative to the simultaneous tensioning chuck, the simultaneous tensioning chuck further comprises a guide assembly comprising a sliding rail and a slider in sliding fit, the sliding rail being disposed on the second support, the slider being disposed on the second connector.

As an alternative of the synchronous tensioning chuck, the second connecting piece and the telescopic driving piece are respectively connected to two ends of the first connecting piece, and the length of the first connecting piece can be adjusted in a telescopic mode; or

The installation position of the second connecting piece on the first connecting piece is adjustable along the first connecting piece so as to adjust the distance between the second connecting piece and the telescopic driving piece.

Compared with the prior art, the beneficial effects of the utility model are that: the opposite ends of the to-be-tensioned part are clamped through the clamping mechanism, the clamping mechanism is arranged on the telescopic part of the tensioning mechanism, the output end of the telescopic driving part of the tensioning mechanism is connected with the telescopic part and can drive the two telescopic parts to synchronously and reversely move, and the two ends of the to-be-tensioned part in a bending state are tensioned and flattened under the action of the tensioning mechanism to form the surface of the to-be-tensioned part.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a synchronous tensioning chuck according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a schematic structural diagram of a clamping mechanism according to an embodiment of the present invention.

Reference numerals:

1-a clamping mechanism; 11-a stationary jaw; 12-a clamping assembly; 121-a clamping jaw; 122-clamping the drive;

2-a tensioning mechanism; 21-a telescopic driving member; 22-a telescopic member; 221-a first connector; 222-a second connector;

3-a support frame; 31-a first support; 32-a second support;

4-a guide assembly; 41-a slide rail; 42-sliding block.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the present invention is further described below by referring to the drawings and the detailed description.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that are usually placed when the product is used, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", and the like are used for descriptive purposes only or to distinguish between different structures or components and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Details of the present embodiment are described below with reference to fig. 1 to 3. As shown in fig. 1, the embodiment discloses a synchronous tensioning chuck, which comprises a clamping mechanism 1 and a tensioning mechanism 2, wherein the clamping mechanism 1 is used for clamping a piece to be tensioned; straining device 2 includes flexible driving piece 21 and two extensible member 22, all is provided with clamping mechanism 1 on every extensible member 22, and flexible driving piece 21 can drive two extensible member 22 synchronous reverse movement to the tensioning exhibition is flat treats the surface of tensioning piece, guarantees the surface smoothness of treating the tensioning piece.

In short, the clamping mechanism 1 clamps the two opposite ends of the to-be-tensioned member, and the telescopic driving member 21 of the tensioning mechanism 2 drives the two telescopic members 22 to synchronously move in opposite directions, so that the to-be-tensioned member in a bent state is tensioned and flattened under the action of the tensioning mechanism 2.

Alternatively, the member to be tensioned may be a flexible PCB, and the surface of the flexible PCB can be flattened by the simultaneous tensioning chuck to facilitate the plating operation and improve the plating uniformity of the PCB.

In the present embodiment, for example, the telescopic driving member 21 may be a pneumatic finger, and the two telescopic members 22 are disposed at two output ends of the pneumatic finger, and the pneumatic finger drives the two telescopic members 22 to move towards or away from each other.

Optionally, as shown in fig. 1, the telescopic member 22 includes a first connecting member 221 and a second connecting member 222, the first connecting member 221 and the second connecting member 222 are both long, one end of the first connecting member 221 is connected to the telescopic driving member 21, and the other end thereof is perpendicularly connected to the second connecting member 222, and at least two clamping mechanisms 1 are disposed on the second connecting member 222. The first connecting piece 221 and the second connecting piece 222 are arranged in a long strip shape, so that the weight of the synchronous tensioning disc is reduced, and at least two clamping mechanisms 1 are arranged on the second connecting piece 222, so that the four corners of a piece to be tensioned are clamped and tensioned.

Optionally, the first connecting piece 221 and the second connecting piece 222 are both long-strip-shaped, so that the structure is optimized, the weight of the synchronous tensioning disc is reduced, and the production cost is reduced. Further alternatively, the first connector 221 and the second connector 222 may be replaced with screws, shafts, or the like.

Alternatively, as shown in fig. 2 and fig. 3, the clamping mechanism 1 includes a fixed jaw 11 and a clamping assembly 12, the clamping assembly 12 and the fixed jaw 11 are both disposed on the second connecting member 222, and an output end of the clamping assembly 12 can move in a direction approaching or departing from the fixed jaw 11 to cooperate with the fixed jaw 11 to clamp the member to be tensioned. The piece to be tensioned is clamped between the fixed claw 11 and the clamping component 12, and the piece to be tensioned is stably clamped and loosened by controlling the movement of the clamping component 12.

Specifically, optionally, the clamping assembly 12 includes a clamping jaw 121 and a clamping driving member 122, the clamping driving member 122 is disposed on the second connecting member 222, the clamping jaw 121 is disposed at an output end of the clamping driving member 122, and the clamping driving member 122 can drive the clamping jaw 121 to move in a direction approaching to or moving away from the fixed jaw 11.

In the present embodiment, the height of the fixing claw 11 is smaller than the height of the clamping claw 121. The clamping claw 121 is in an L-shaped inverted hook structure, the clamping driving part 122 adopts an air cylinder, and the air cylinder stretches to realize the up-and-down movement of the clamping claw 121 so as to be matched with the fixed claw 11 to loosen or clamp a part to be tensioned.

Optionally, a first protrusion is provided on the clamping jaw 121, and a second protrusion is provided on the fixing jaw 11, and the first protrusion can cooperate with the second protrusion to clamp the member to be tensioned. The contact surface of protruding structure and treating the tensioning piece is laminated with the surface of treating the tensioning piece mutually, reduces clamping mechanism 1 and treats the clamping pressure on tensioning piece surface, guarantees simultaneously that stable clamp is tight. Preferably, the first protrusion and the second protrusion are both spherical and both made of rubber material, so as to avoid the clamping claw 121 and the fixing claw 11 from scratching the surface of the member to be tensioned.

Optionally, the synchronous tensioning chuck further comprises a support frame 3, the support frame 3 comprises a first support 31 and a second support 32, the second support 32 extends along the moving direction of the telescopic member 22, the telescopic driving member 21 is mounted on the first support 31, and the second connecting member 222 is slidably connected with the second support 32. The structure is optimized, the weight of the synchronous tensioning disc is reduced, the inertia of the device is reduced, and the running stability is improved.

Mutual parallel arrangement between first support piece 31, telescopic driving piece 21 erects on two first support pieces 31 that are parallel to each other, the setting that second support piece 32 is parallel to each other is at the both ends of first support piece 31, second support piece 32 extends along the moving direction of telescopic part 22, the realization is to 2 moving direction's of straining device guide function, telescopic driving piece 21 chooses for use pneumatic finger, pneumatic finger sets up the center department at support frame 3, make overall structure symmetry, it is even to distribute.

Optionally, as shown in fig. 2, the synchronous tensioning chuck further comprises a guide assembly 4, the guide assembly 4 comprises a sliding rail 41 and a sliding block 42 which are in sliding fit, the sliding rail 41 is arranged on the second support 32, and the sliding block 42 is arranged on the second connecting piece 222. The guide assembly 4 adopts a sliding rail 41 and sliding block 42 mechanism, and the influence of the guide assembly 4 on the guide friction of the moving direction of the tensioning mechanism 2 is reduced.

Alternatively, in order to adjust the distance between the second connector 222 and the telescopic driver 21 to adapt the synchronous tensioning chuck to different sizes of members to be tensioned, the second connector 222 and the telescopic driver 21 are respectively connected to both ends of the first connector 221, and the length of the first connector 221 is telescopically adjustable.

In other embodiments, the installation position of the second connecting member 222 on the first connecting member 221 can be adjusted along the first connecting member 221, so as to adjust the distance between the second connecting member 222 and the telescopic driving member 21, and adapt to tensioning members to be tensioned with different sizes.

In short, the telescopic driving member 21 drives the first connecting member 221 to drive the clamping mechanism 1 on the second connecting member 222 to move, so that the tensioning function of the to-be-tensioned member is realized, and when different lengths of the to-be-tensioned member along the tensioning direction are different, the requirement of the to-be-tensioned member on the movable range of the synchronous tensioning disc in the tensioning direction can be met by adjusting the length of the first connecting member 221 or adjusting the installation position of the second connecting member 222 on the first connecting member 221.

In other embodiments, the first connector 221 and the second connector 222 are rotatably connected. The connecting line of at least two positions to be tensioned at one end of the member to be tensioned is not perpendicular to the moving direction, the second connecting piece 222 is rotatably connected with the first connecting piece 221, clamping of different outer contours of the member to be tensioned is achieved, preferably, the clamping mechanisms 1 can be connected in a sliding mode along the second connecting piece 222, the distance between the two clamping mechanisms 1 is adjusted, and the requirement of the member to be tensioned on the width is met.

In this embodiment, the supporting frame 3 and the telescopic member 22 are made of aluminum. The telescopic driving member 21 may be a motor, an electric cylinder, or other power elements besides the pneumatic finger.

For convenience of understanding, the working principle and the working process of the synchronous tensioning disc provided by the embodiment are as follows:

1) initial state: the telescopic actuator 21 is in a contracted state and the clamping actuator 122 is in an extended state, with the maximum distance between the clamping jaw 121 and the fixed jaw 11.

2) And (3) clamping process: the part to be tensioned is conveyed between the fixed jaw 11 and the clamping jaw 121, and the clamping driving part 122 drives the clamping jaw 121 to move to be matched with the fixed jaw 11 to clamp the part to be tensioned.

3) And (3) tensioning: the output end of the telescopic driving part 21 of the tensioning mechanism 2 drives the telescopic part 22 to move, the telescopic part 22 drives the clamping mechanism 1 to move, and a part to be tensioned is tensioned, so that the surface of the part to be tensioned is tensioned to be smooth.

4) The completion process comprises the following steps: the clamping driving member 122 of the clamping mechanism 1 drives the clamping claw 121 to move in a direction away from the fixed claw 11, so that the member to be tensioned is released, then the conveying device conveys the member to be tensioned out of the synchronous tensioning disc, the telescopic driving member 21 enters a contraction state, and then the steps 2-4 are repeated until the tensioning operation of all the members to be tensioned is completed.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A simultaneous tensioning chuck, comprising:

the clamping mechanism (1) is used for clamping a piece to be tensioned;

straining device (2), straining device (2) are including flexible driving piece (21) and two extensible member (22), every all be provided with on extensible member (22) clamping mechanism (1), flexible driving piece (21) can drive two extensible member (22) synchronous reverse movement, with the tensioning exhibition is flat treat the surface of tensioning member.

2. The simultaneous tensioning chuck according to claim 1, wherein the telescopic member (22) comprises a first connecting member (221) and a second connecting member (222), the first connecting member (221) being connected at one end to the telescopic driving member (21) and at the other end perpendicularly connected to the second connecting member (222), the second connecting member (222) being provided with at least two clamping mechanisms (1).

3. The simultaneous tensioning chuck according to claim 2, wherein the first connector (221) and the second connector (222) are each elongated.

4. The simultaneous tensioning chuck according to claim 2, wherein the clamping mechanism (1) comprises a fixed jaw (11) and a clamping assembly (12), the clamping assembly (12) and the fixed jaw (11) being arranged on the second connecting member (222), the output end of the clamping assembly (12) being movable in a direction towards or away from the fixed jaw (11) for clamping the member to be tensioned in cooperation with the fixed jaw (11).

5. The simultaneous tensioning chuck according to claim 4, wherein the clamping assembly (12) comprises a clamping jaw (121) and a clamping drive (122), the clamping drive (122) being provided on the second link (222), the clamping jaw (121) being provided at an output end of the clamping drive (122), the clamping drive (122) being capable of driving the clamping jaw (121) to move in a direction towards or away from the fixed jaw (11).

6. The simultaneous tensioning chuck according to claim 5, characterized in that the height of the fixing jaw (11) is smaller than the height of the clamping jaw (121).

7. The simultaneous tensioning chuck according to claim 5, wherein the clamping jaw (121) is provided with a first projection and the fixed jaw (11) is provided with a second projection, the first projection being cooperable with the second projection for clamping the member to be tensioned.

8. The simultaneous tensioning chuck according to claim 2, further comprising a support frame (3), the support frame (3) comprising a first support (31) and a second support (32), the second support (32) extending in a direction of movement of the telescopic member (22), the telescopic drive member (21) being mounted on the first support (31), the second connector (222) being in sliding connection with the second support (32).

9. The simultaneous tensioning chuck according to claim 8, further comprising a guide assembly (4), the guide assembly (4) comprising a sliding rail (41) and a slider (42) in sliding engagement, the sliding rail (41) being disposed on the second support (32) and the slider (42) being disposed on the second connector (222).

10. The simultaneous tensioning chuck according to claim 2, wherein the second link (222) and the telescopic drive (21) are connected to both ends of the first link (221), respectively, and the length of the first link (221) is telescopically adjustable; or

The installation position of the second connecting piece (222) on the first connecting piece (221) is adjustable along the first connecting piece (221) so as to adjust the distance between the second connecting piece (222) and the telescopic driving piece (21).