CN218801746U

CN218801746U - Clamp apparatus

Info

Publication number: CN218801746U
Application number: CN202223035538.5U
Authority: CN
Inventors: 饶佳旺; 胡仲凯
Original assignee: Shenzhen Hongrui Precision Digital Jet Printing Equipment Co ltd
Current assignee: Shenzhen Hongrui Precision Digital Jet Printing Equipment Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-04-07
Anticipated expiration: 2032-11-14

Abstract

The embodiment of the utility model provides an anchor clamps, include: supporting seat, pressure arm, height-adjusting spare, roll adjustment spare and position detector. Two pressure arms set up on the supporting seat along width direction relatively, and two pressure arms can be close to each other under the drive of roll adjustment piece to fix a position target piece, simultaneously, under the effect of height adjusting spare, two pressure arms compress tightly fixedly target piece. In the in-process of centre gripping, detect the position relation of pressing arm and target spare through the position detector, and then after being close to the target spare, control roll adjustment spare stall owing to rely on the position to detect and control roll adjustment spare, so do not have because the inconvenient problem of adjusting of moving distance of the pressure arm that the target spare size change produced, realize the accurate location to the target spare, anchor clamps and PCB board basis can not produce great degree collision to the life-span of extension anchor clamps.

Description

Clamp apparatus

Technical Field

The utility model belongs to the technical field of the centre gripping equipment, especially, relate to an anchor clamps.

Background

At present, in the digital printing production process of the PCB, the PCB needs to be fixed on a printing platform.

The PCB board is generally clamped by a plurality of movable pressure arms, namely, the PCB board is placed in a preset position, the movement distance of the movable pressure arms is adjusted according to the size of the PCB board, and the movable pressure arms are close to each other in the circumferential direction to clamp the PCB board.

For some PCBs with low dimensional accuracy, the dimensional change of the PCBs is inconvenient to measure, the moving distance of the movable pressing arm is inconvenient to adjust in the clamping process, the movable pressing arm can only clamp the PCBs according to a preset distance, when the PCBs are large in size, the clamp and the PCBs can collide, the clamp is damaged, and when the PCBs are small in size, the PCBs cannot be clamped.

SUMMERY OF THE UTILITY MODEL

An object of this application embodiment is to provide a anchor clamps, aims at solving the easy problem of damaging of anchor clamps among the prior art.

In order to achieve the purpose, the technical scheme adopted by the application is as follows:

the utility model provides a clamp, include:

a supporting seat;

the two pressing arms are oppositely arranged on the supporting seat along the width direction;

the distance adjusting pieces are arranged on the supporting seat, each distance adjusting piece is in transmission connection with the corresponding pressure arm, and the distance adjusting pieces are used for adjusting the distance between the two pressure arms in the width direction;

the two height adjusting pieces are in transmission connection with the two pressure arms and used for adjusting the heights of the pressure arms; and

and the two position detectors are electrically connected with the height adjusting piece, each position detector is arranged on the side part of the corresponding pressure arm, the two position detectors are arranged between the two pressure arms, and the position detectors are used for stopping the operation of the distance adjusting piece when the abutting of the pressure arms and a target piece is detected.

In one embodiment, the pressing arm comprises a base and a crimping part, the distance adjusting part is in transmission connection with the base, the position detector is arranged on the side of the crimping part, and the height adjusting part is arranged between the base and the crimping part.

In one embodiment, the crimping portion includes a connecting plate, a pressing rod and a pressing head, the height adjusting member is disposed on the base and is in transmission connection with the connecting plate, the connecting plate is disposed on the base and can move in a height direction under the driving of the height adjusting member, the pressing rod is disposed on the connecting plate, and the pressing head is connected with the pressing rod.

In one embodiment, an accommodating space is defined between the connecting plate and the base, and the height adjusting piece is accommodated in the accommodating space.

In one embodiment, each of the height adjusting members includes two electric cylinders, the two electric cylinders are oppositely arranged in the accommodating space along the length direction, and the electric cylinders are used for outputting driving force along the height direction to enable the connecting plate to move along the height direction.

In one embodiment, the connecting plate is provided with a connecting hole, and the pressing rod is arranged in the connecting hole.

In one embodiment, a sliding rail is arranged on the base along the height direction, a sliding block is arranged on the connecting plate along the height direction, and the sliding rail is connected with the sliding block in a matching manner.

In an embodiment, the pressing arm further includes a connecting seat, the connecting seat is disposed in the connecting hole and connected to the connecting plate, the connecting seat is fixedly connected to the pressing rod, and the position detector is disposed on the connecting seat.

In one embodiment, the distance adjuster comprises:

the driving motor is arranged on the supporting seat;

the first screw rod is arranged along the width direction and is in transmission connection with the driving motor; and

and the second screw is in transmission connection with the first screw, the axis of the second screw is superposed with the axis of the first screw, the thread turning directions of the first screw and the second screw are opposite, and the first screw and the second screw are in threaded connection with the two pressure arms respectively.

In one embodiment, the driving motor is connected with the first screw through a belt pulley transmission mechanism.

The beneficial effect of this application lies in: the embodiment of the utility model provides an anchor clamps, include: supporting seat, pressure arm, height adjusting spare, roll adjustment spare and position detector. Two pressure arms set up on the supporting seat along width direction relatively, and two pressure arms can be close to each other under the drive of roll adjustment piece to fix a position target piece, simultaneously, under the effect of height adjusting spare, two pressure arms compress tightly fixedly target piece. In the in-process of centre gripping, detect the position relation of pressing arm and target spare through the position detector, and then after being close to the target spare, control roll adjustment spare stall owing to rely on the position to detect and control roll adjustment spare, so do not have because the inconvenient problem of adjusting of moving distance of the pressure arm that the target spare size change produced, realize the accurate location to the target spare, anchor clamps and PCB board basis can not produce great degree collision to the life-span of extension anchor clamps.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or exemplary technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is a perspective view of a clamp according to an embodiment of the present invention;

fig. 2 is a schematic view of a connection relationship between the pressing arm and the height adjusting member according to an embodiment of the present invention.

Wherein, in the figures, the various reference numbers:

100. a supporting base;

200. pressing the arm; 210. a base; 211. a slide rail; 220. connecting holes; 230. a crimping part; 231. a connecting plate; 2311. a slider; 232. a pressure lever; 233. a pressure head; 240. a connecting seat; 250. an accommodating space;

300. a height adjustment member;

400. a distance adjusting part; 410. a drive motor; 420. a first screw; 430. a second screw; 440. a belt pulley transmission mechanism;

500. a position detector.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application 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 do not delimit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application, and the specific meaning of the terms will be understood by those skilled in the art according to the particular situation. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

It should be noted that, in the present application, the length direction, the width direction and the height direction are all for convenience of description of the present application, and are not used to limit the present application.

Referring to fig. 1, an embodiment of the present application provides a fixture for clamping a target component, wherein the target component may be a PCB.

The clamp includes: support base 100, pressure arm 200, height adjuster 300, distance adjuster 400 and position detector 500.

The support base 100 mainly serves as a support, and the support base 100 may be a flat plate structure, and other components are mounted on the surface of the support base 100. Since the support seat 100 needs to have a certain structural strength, the support seat 100 may be made of a material having a relatively high strength, such as steel.

The two pressing arms 200 are oppositely disposed on the supporting base 100 along the width direction. The pressing arm 200 is movably disposed on the supporting base 100, the pressing arm 200 has at least one surface for abutting against the circuit board in the height direction, and the main function of the pressing arm 200 is to approach the pre-clamped target in the width direction to position the target and to move in the height direction to fix the target.

The distance adjusting piece 400 is arranged on the supporting seat 100, and the distance adjusting piece 400 is used for driving the two pressing arms 200 to approach each other so as to position the target piece. When the target piece needs to be clamped, the distance adjusting piece 400 drives the two pressure arms 200 to abut against two opposite side surfaces of the target piece in the width direction respectively, so that the target piece is positioned, namely the distance adjusting piece 400 is used for adjusting the distance between the two pressure arms 200 in the width direction.

The two height adjusting members 300 are respectively connected with the two pressure arms 200 in a transmission manner, and the height adjusting members 300 are used for adjusting the heights of the pressure arms 200. It is understood that the height adjuster 300 mainly functions to adjust the position of the pressing arm 200 in the height direction, so that the target member can be pressed and fixed.

And two position detectors 500 electrically connected to the height adjuster 300, each position detector 500 being provided at a side portion of the corresponding pressure arm 200, and two position detectors 500 being provided between the two pressure arms 200, the position detectors 500 being for stopping the operation of the distance adjuster 400 when the abutment of the pressure arm 200 with the target member is detected.

It is understood that the position detector 500 is mainly used to detect the distance between the two pressing arms 200 and the target member in the width direction. Illustratively, when two pressure arms 200 are detected to abut against two opposite sides of the target in the width direction, the position detector 500 stops the operation of the distance adjusting member 400, so that the distance between the pressure arms 200 and the target can be controlled, thereby improving the positioning accuracy of the target, and the connection tightness between the pressure arms 200 and the target can be controlled by adjusting the installation position of the position detector 500, thereby solving the problem that the movement distance of the pressure arms 200 is inconvenient to adjust, and further clamping the target, and the clamp and the PCB basically cannot collide to a greater extent, thereby prolonging the service life of the clamp.

To sum up, the embodiment of the utility model provides an anchor clamps, include: support base 100, pressure arm 200, height adjuster 300, distance adjuster 400 and position detector 500. The two pressure arms 200 are oppositely arranged on the supporting seat 100 along the width direction, the two pressure arms 200 can be driven by the distance adjusting piece 400 to be close to each other, so that the target piece is positioned, and meanwhile, under the action of the height adjusting piece 300, the two pressure arms 200 compress and fix the target piece. In the in-process of centre gripping, detect the positional relation of pressing arm 200 and target spare through position detector 500, and then after being close to the target spare, control roll adjustment spare 400 stall, owing to rely on the position to detect and control roll adjustment spare 400, so do not have because the inconvenient problem of adjusting of the moving distance of the pressure arm 200 that the target spare size change produced, the realization is to the accurate location of target spare, anchor clamps and PCB board basically can not produce the collision of great degree, thereby the life-span of extension anchor clamps.

Referring to fig. 1-2, in one embodiment, in order to prevent the distance adjusting member 400 and the height adjusting member 300 from moving and interfering, the pressing arm 200 includes a base 210 and a pressing part 230, the distance adjusting member 400 is in transmission connection with the base 210, and when the distance adjusting member 400 drives the base 210 to move in the width direction, since the height adjusting member 300 is disposed between the base 210 and the pressing part 230, the height adjusting member 300 and the base 210 move together, so that the height adjustment and the distance adjustment can be separated without moving and interfering. The position detector 500 is provided at a side portion of the crimp part 230 so that a positional relationship of the crimp part 230 and the target member can be detected.

Referring to fig. 2, in an embodiment, the press-connecting portion 230 includes a connecting plate 231, a pressing rod 232 and a pressing head 233.

The connecting plate 231 may be a plate-shaped component, which is a mounting carrier of the pressing rod 232.

The pressing rod 232 is disposed on the connecting plate 231. For example, the pressing rod 232 may be integrally formed with the connection plate 231, so as to ensure the connection strength of the pressing rod 232 and the connection plate 231. The pressing rod 232 can be a round rod, so that the target part can be prevented from being scratched when the target part is abutted, and the pressing rod 232 is arranged along the height direction.

The pressing head 233 is connected to the pressing rod 232. The area of the projection of the pressing head 233 on the base 210 should be larger than the area of the projection of the pressing rod 232 on the base 210, so as to achieve the purpose. Illustratively, the projected area of the plunger 232 on the base 210 is a circle with a diameter a, and the projected area of the ram 233 on the base 210 is a circle with a diameter B, which should be larger than a.

The height adjusting member 300 is disposed on the base 210 and is in transmission connection with the connecting plate 231, and the connecting plate 231 is disposed on the base 210 and can move in the height direction under the driving of the height adjusting member 300, so as to adjust the position of the pressing rod 232 in the height direction.

In one embodiment, the height adjuster 300 may also be directly coupled to the plunger 232 to directly control the movement of the plunger 232 in the height direction.

Referring to fig. 2, in an embodiment, in order to make the pressing arm 200 more compact, an accommodating space 250 is defined between the connecting plate 231 and the base 210, and the height adjusting member 300 is accommodated in the accommodating space 250. As an example, the accommodating space 250 may have a rectangular parallelepiped shape, the size of the height adjusting member 300 in the length direction and the width direction is smaller than the size of the base 210 in the length direction and the width direction, and the size of the height adjusting member 300 in the height direction is smaller than the size of the base 210 in the height direction, so that the height adjusting member 300 may be completely accommodated in the accommodating space 250.

Referring to fig. 2, in an embodiment, each height adjuster 300 includes two electric cylinders, and the two electric cylinders are oppositely disposed in the accommodating space 250 along the length direction. As an example, two electric cylinders are symmetrically disposed on the base 210 and are located in the accommodating space 250, and the electric cylinders are used to output a driving force in the height direction to move the connection plate 231 in the height direction. And two electric cylinders are arranged, so that the connecting plate 231 is stressed more uniformly and is more stable during lifting. Of course, the two electric cylinders may also be asymmetrically disposed on the base 210, and may be disposed according to specific situations, and the present application is not limited in any way.

Referring to fig. 2, in an embodiment, the connection plate 231 is provided with a connection hole 220, and the pressing rod 232 is disposed in the connection hole 220. Illustratively, the connection hole 220 may be a blind hole, the compression bar 232 is partially disposed in the connection hole 220, and the connection hole 220 may be similar to the compression bar 232 in shape, so as to be in interference connection with the compression bar 232, thereby ensuring the stability of the compression bar 232. The number of the connecting holes 220 can be multiple, correspondingly, the number of the pressing rods 232 can also be multiple, and the pressing rods 232 correspond to the connecting holes 220 one to one, so that multi-point positioning of the PCB can be realized. The depth of the connection hole 220 can also be adjusted as long as the thickness of the connection hole 220 exposed by the pressing rod 232 is larger than or equal to the thickness of the target part. Of course, the connection hole 220 may be provided as a through hole (penetrating the connection plate 231) so that the pressing rod 232 can be fixed from the other side of the connection plate 231. The arrangement mode of the connection hole 220 may be determined according to specific situations, and the present application is not limited in any way.

Referring to fig. 2, in an embodiment, the base 210 is provided with a slide rail 211 along the height direction, the connecting plate 231 is provided with a slide block 2311 along the height direction, the slide rail 211 is connected with the slide block 2311 in a matching manner, when the height adjusting member 300 drives the connecting plate 231 to move along the height direction, the slide block 2311 slides in the slide rail 211, and the slide block 2311 and the slide rail 211 are arranged to prevent the connecting plate 231 from being separated from the base 210.

Referring to fig. 2, in an embodiment, to facilitate the installation and the removal of the pressing rod 232 and the detector, the pressing arm 200 further includes a connecting seat 240, the connecting seat 240 is disposed in the connecting hole 220 and connected to the connecting plate 231, the connecting seat 240 is fixedly connected to the pressing rod 232, and the position detector 500 is disposed on the connecting seat 240. Illustratively, the connecting hole 220 is circular, and the connecting seat 240 is kidney-shaped, and the connecting seat 240 can be fixed in the connecting hole 220 (when the connecting hole 220 is a blind hole) by screw threads, and when disassembly is required, the connecting seat 240 can be taken out from the connecting hole 220 by firstly loosening the screw and then extending a hand into a part between the connecting seat 240 and the connecting hole 220.

Referring to fig. 1, in one embodiment, to reduce the number of the transmission structure, the distance adjusting member 400 includes: a driving motor 410, a first screw 420, and a second screw 430.

The driving motor 410 is disposed on the supporting base 100, for example, the driving motor 410 is a stepping motor and is connected to the supporting base 100, and the driving motor 410 is disposed below the supporting base 100, so as to avoid collision with the driving motor 410 when the pressing arm moves.

The first screw 420 is driven by the driving motor 410 to rotate, the base 210 of one of the pressure arms 200 is in threaded connection with the first screw 420, and when the first screw 420 rotates, the base 210 of the pressure arm 200 translates along the axial direction (width direction) of the first screw 420, thereby moving the first pressure arm 200.

The axis of the second screw 430 coincides with the axis of the first screw 420, and the screw threads of the first screw 420 and the second screw 430 are opposite. The first screw 420 and the second screw 430 are respectively in threaded connection with the two pressing arms 200. The specific transmission principle is as follows: the second screw 430 and the first screw 420 may be coupled by a coupling. When the first screw 420 rotates, the second screw 430 is driven to rotate, the second screw 430 is in threaded connection with the second base 210, and the second base 210 translates along the axial direction of the second screw 430, so that the second pressure arm 200 moves.

It should be noted that, a plurality of bearing seats are provided on the supporting seat 100, and the plurality of bearing seats are used for mounting the first screw rod 420 and the second screw rod 430.

As an optional setting mode of the distance adjusting member 400, the first screw 420 and the second screw 430 may not be connected and controlled by the driving motor 410, and only the first screw 420 and the second screw 430 need to be ensured to rotate synchronously.

As an alternative arrangement of the distance adjusting member 400, the distance adjusting member 400 may be two air cylinders. Two cylinders set up on supporting seat 100 relatively, and are used for driving two pressure arms 200 motions respectively, when needs carry out the centre gripping to the target piece, two electric jar simultaneous workings, two pressure arms 200 respectively with the target piece on two relative side butts to the realization is to the location of target piece, and the piece 400 that adjusts the distance that is used for adjusting between two pressure arms 200 in the width direction promptly.

Referring to fig. 1, in one embodiment, in order to increase the compactness of the clamp, a driving motor 410 is connected to the first screw rod 420 via a pulley transmission mechanism 440.

The above are merely alternative embodiments of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. A clamp, comprising:

a supporting seat;

2. The fixture of claim 1, wherein: the pressure arm comprises a base and a crimping part, the distance adjusting part is in transmission connection with the base, the position detector is arranged on the side of the crimping part, and the height adjusting part is arranged between the base and the crimping part.

3. The fixture of claim 2, wherein: the crimping part comprises a connecting plate, a pressing rod and a pressing head, the height adjusting part is arranged on the base and is in transmission connection with the connecting plate, the connecting plate is arranged on the base and can move along the height direction under the driving of the height adjusting part, the pressing rod is arranged on the connecting plate, and the pressing head is connected with the pressing rod.

4. The fixture of claim 3, wherein: an accommodating space is defined between the connecting plate and the base, and the height adjusting piece is accommodated in the accommodating space.

5. The fixture of claim 4, wherein: each height adjusting piece includes two electric cylinders, two electric cylinders along length direction relative settings in the accommodation space, the electric cylinder is used for exporting along direction of height's drive power to make the connecting plate move along direction of height.

6. The fixture of claim 3, wherein: the connecting plate is provided with a connecting hole, and the pressing rod is arranged in the connecting hole.

7. The fixture of claim 3, wherein: the base is provided with a sliding rail along the height direction, the connecting plate is provided with a sliding block along the height direction, and the sliding rail is connected with the sliding block in a matching mode.

8. The fixture of claim 6, wherein: the pressing arm further comprises a connecting seat, the connecting seat is arranged in the connecting hole and connected with the connecting plate, the connecting seat is fixedly connected with the pressing rod, and the position detector is arranged on the connecting seat.

9. The fixture of claim 1, wherein: the distance adjusting member includes:

the driving motor is arranged on the supporting seat;

the first screw is arranged along the width direction and is in transmission connection with the driving motor; and

10. The fixture of claim 9, wherein: the driving motor is connected with the first screw through a belt pulley transmission mechanism.