CN213036904U

CN213036904U - Automatic clamp in circuit board loading and unloading device

Info

Publication number: CN213036904U
Application number: CN202021492779.0U
Authority: CN
Inventors: 陈方; 方双; 胡荣昌; 杨建光; 丁传娣
Original assignee: Zhejiang Junhao Electronics Co ltd
Current assignee: Zhejiang Junhao Electronics Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-04-23
Anticipated expiration: 2030-07-24

Abstract

The utility model relates to a circuit board processing technology field especially discloses an automatic clamp among circuit board lower plate device, including mutual articulated punch holder and lower plate, be provided with mobilizable rack between punch holder and the lower plate, the articulated department of punch holder is provided with one with rack toothing's gear, the meshing of rack and gear can drive the punch holder and rotate, the one end that articulated department was kept away from to punch holder and lower plate is last exposed core and lower exposed core respectively. Adopt above-mentioned structure, provide a circuit board automatic clamp that centre gripping is efficient, degree of automation is high.

Description

Automatic clamp in circuit board loading and unloading device

Technical Field

The utility model relates to a circuit board processing technology field, especially an automatic clamp in the lower plate device of circuit board.

Background

At present, in the course of working of Desmean + PTH, need transport the circuit board, this just involves the lower plate device, and the mode of artifical lower plate is gone up in most adoption of traditional circuit board processing, and the circuit board that needs processing is moved to corresponding station promptly and is pressed from both sides tightly or the circuit of manual work to the processing completion takes off, and work efficiency is low. Automatic transmission is achieved through guide rails, conveyor belts, motors and the like, however, when the circuit board is transferred between stations, the circuit board still needs to be manually clamped, edges of about 5-10mm can be reserved on four sides of the circuit board for clamping, clamping positions are prone to instability due to manual operation, board falling occurs in the steps of mounting and dismounting the circuit board, the board falling rate is high, production efficiency is reduced, and meanwhile production cost is increased. Therefore, an automatic clamp which can automatically clamp and reliably clamp is urgently needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a circuit board automatic clamp which has high clamping efficiency and high automation degree.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides an automatic anchor clamps in punch holder device on circuit board, includes mutual articulated punch holder and lower plate, be provided with mobilizable rack between punch holder and the lower plate, the articulated department of punch holder is provided with one with rack toothing's gear, the meshing of rack and gear can drive the punch holder and rotate, the one end that articulated department was kept away from to punch holder and lower plate is last exposed core and lower exposed core respectively.

Among the above-mentioned technical scheme, the rack is by motor or cylinder drive, motor or cylinder are by control system control, can set up infrared probe on the anchor clamps edge and be used for supplementary centre gripping action, during the centre gripping, the rack removes to the direction of keeping away from splint, the punch holder rotates towards the direction of being close to the lower plate promptly, until last exposed core and lower exposed core become the clamping state, when loosening, remove the rack towards the direction of being close to splint, make the punch holder rotate towards the direction of keeping away from the lower plate, it separates to go up exposed core and lower exposed core promptly, can be applied to the upper and lower plate device of any station with this automatic clamp, the centre gripping is efficient, degree of automation is high.

As a further setting of the utility model, the rubber pad has all been laid on going up the exposed core and the exposed core down.

Among the above-mentioned technical scheme, the setting of rubber pad can be used to the protection circuit board can not worn and torn by punch holder and lower plate in the clamping process, ensures the quality of product.

As a further setting of the utility model, be provided with interval distribution's a plurality of protruding muscle on the opposite face of two rubber pads, this protruding muscle is the wave setting.

Among the above-mentioned technical scheme, the setting of protruding muscle can increase the frictional force of rubber pad and circuit board contact surface, avoids the circuit board to deviate from and drops, and protruding muscle on two rubber pads can be the alignment one by one, also can dislocation set, and the radial distribution of splint is followed to wavy protruding muscle, simple structure, and the centre gripping is firm.

As a further setting of the utility model, be provided with spacing convex part on the lower clamping end, this spacing convex part highly is less than the thickness of circuit board.

Among the above-mentioned technical scheme, the setting of spacing convex part is in order to ensure clamping position, avoids exceeding the marginal blank part of circuit board, and the height of spacing convex part must be less than the thickness of circuit board, avoids upper clamp plate and lower plate to appear the problem that can't press from both sides tight circuit board.

As a further setting of the utility model, the centre gripping end becomes the U type down, and its sunken degree of depth is less than spacing convex part to the distance of centre gripping end terminal surface down.

Among the above-mentioned technical scheme, the U type setting of lower exposed core makes last exposed core and the lower exposed core be the centre gripping point of action on the circuit board becomes triangular distribution, and what centre gripping was more firm stable like this.

As a further setting of the utility model, the rack is driven by motor or cylinder, be provided with the sand grip and the guide slot of mutual direction between rack and the lower plate.

Among the above-mentioned technical scheme, preferred sand grip setting is on the rack, and the guide slot setting can ensure like this that the rack moves steadily, avoids misplacing with the gear, and the centre gripping action is more stable.

As the utility model discloses a further setting, be provided with two relative articulated seats on the lower plate, this articulated seat is located the corresponding both sides of lower plate, be provided with the shaft hole on the articulated seat, the punch holder is located between two articulated seats, and the punch holder passes through the articulated shaft with articulated seat and is connected.

Among the above-mentioned technical scheme, articulated seat and lower plate an organic whole set up for the articulated convenient stability of upper plate and lower plate.

The present invention will be further described with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural view of a circuit board clamped according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an embodiment of the present invention;

fig. 4 is an exploded view of the structure of the embodiment of the present invention.

Detailed Description

The utility model discloses a concrete embodiment is shown in fig. 1-4, an automatic clamp among punch holder device on circuit board, including mutual articulated punch holder 1 and lower plate 2, be provided with mobilizable rack 3 between punch holder 1 and the lower plate 2, the articulated department of punch holder 1 is provided with one with rack 3 engaged with gear 11, rack 3 can drive punch holder 1 with gear 11's meshing and rotate, the one end that articulated department was kept away from to punch holder 1 and lower plate 2 is last exposed core 12 and lower exposed core 21 respectively.

The rack 3 is driven by the motor 4 or the cylinder 4, if the motor 4 is driven, a screw rod structure can be adopted to be linked with the rack 3, a specific structure is omitted, the motor 4 or the cylinder 4 is controlled by the control system, an infrared probe can be arranged on the edge of the clamp to assist clamping action, during clamping, the rack 3 moves towards the direction far away from the clamp plate, namely, the upper clamp plate 1 rotates towards the direction close to the lower clamp plate 2 until the upper clamp end 12 and the lower clamp end 21 are in a clamping state, when the clamp is loosened, the rack 3 moves towards the direction close to the clamp plate, the upper clamp plate 1 rotates towards the direction far away from the lower clamp plate 2, namely, the upper clamp end 12 and the lower clamp end 21 are separated, the automatic clamp can be applied to an upper plate device and a lower plate device of any station, the clamping efficiency is.

Rubber pads

121 and 211 are respectively laid on the upper holding end 12 and the lower holding end 21. The

rubber pads

121 and 211 are arranged to protect the circuit board 5 from being worn by the upper clamp plate 1 and the lower clamp plate 2 during clamping, so that the product quality is guaranteed.

The opposite surfaces of the two

rubber pads

121, 211 are provided with a plurality of

ribs

1211, 2111 which are distributed at intervals, and the

ribs

1211, 2111 are arranged in a wave shape. The arrangement of the

convex ribs

1211 and 2111 can increase the friction force of the contact surfaces of the

rubber pads

121 and 211 and the circuit board 5, and prevent the circuit board 5 from falling off, the

convex ribs

1211 and 2111 on the two

rubber pads

121 and 211 can be aligned one by one or arranged in a staggered way, and the

wavy convex ribs

1211 and 2111 are distributed along the radial direction of the clamping plate, so that the structure is simple, and the clamping is firm.

The lower holding end 21 is provided with a limit protrusion 212, and the height of the limit protrusion 212 is smaller than the thickness of the circuit board 5. The limiting convex part 212 is arranged to ensure the clamping position and avoid exceeding the edge blank part of the circuit board 5, the height of the limiting convex part 212 must be smaller than the thickness of the circuit board 5, and the problem that the circuit board 5 cannot be clamped by the upper clamping plate 1 and the lower clamping plate 2 is avoided.

The lower clamping end 21 is U-shaped, and the depth of the recess 213 is smaller than the distance from the limit protrusion 212 to the end surface of the lower clamping end 21. The U-shaped arrangement of the lower clamping end 21 enables the clamping points of the upper clamping end 12 and the lower clamping end 21 acting on the circuit board 5 to be distributed in a triangular manner, so that the clamping is firmer and more stable.

The rack 3 is driven by a motor 4 or a cylinder 4, and a convex strip 31 and a guide groove 22 which are mutually guided are arranged between the rack 3 and the lower clamping plate 2. The preferred sand grip 31 sets up on rack 3, and guide slot 22 sets up on lower plate 2, can ensure like this that rack 3 moves steadily, avoids misplacing with gear 11, and the centre gripping action is more stable.

Be provided with two relative articulated seats 23 on above-mentioned lower plate 2, this articulated seat 23 is located the corresponding both sides of lower plate 2, be provided with shaft hole 231 on the articulated seat 23, punch holder 1 is located between two articulated seats 23, and punch holder 1 passes through articulated shaft 232 with articulated seat 23 and is connected. Articulated seat 23 sets up with lower plate 2 is integrative for the articulated convenient stability of upper plate 1 and lower plate 2.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only 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, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The utility model discloses do not confine the above-mentioned embodiment to, the general technical personnel in this field can adopt other multiple embodiments to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides an automatic anchor clamps in board device on circuit board which characterized in that: including mutual articulated punch holder and lower plate, be provided with mobilizable rack between punch holder and the lower plate, the articulated department of punch holder is provided with one with rack toothing's gear, the rack can drive the punch holder with the meshing of gear and rotate, the one end that articulated department was kept away from to punch holder and lower plate is last exposed core and lower exposed core respectively.

2. The automatic clamp in a circuit board loading and unloading device according to claim 1, wherein: rubber pads are paved on the upper clamping end and the lower clamping end.

3. The automatic clamp in a circuit board loading and unloading device according to claim 2, wherein: and a plurality of convex ribs distributed at intervals are arranged on the opposite surfaces of the two rubber pads and are arranged in a wave shape.

4. The automatic clamp in a circuit board loading and unloading device according to claim 1, 2 or 3, characterized in that: and the lower clamping end is provided with a limiting convex part, and the height of the limiting convex part is smaller than the thickness of the circuit board.

5. The automatic clamp in a circuit board loading and unloading device according to claim 4, wherein: the lower clamping end is U-shaped, and the depth of the recess of the lower clamping end is smaller than the distance from the limiting convex part to the end face of the lower clamping end.

6. The automatic clamp in a circuit board loading and unloading device according to claim 1, 2, 3 or 5, characterized in that: the rack is driven by a motor or an air cylinder, and a convex strip and a guide groove which are mutually guided are arranged between the rack and the lower clamping plate.

7. The automatic clamp in a circuit board loading and unloading device according to claim 6, wherein: be provided with two relative articulated seats on the lower plate, this articulated seat is located the corresponding both sides of lower plate, be provided with the shaft hole on the articulated seat, the punch holder is located between two articulated seats, and the punch holder passes through the articulated shaft with articulated seat and is connected.