CN220823649U

CN220823649U - Clamping edge structure for SMT (surface mounting technology) patch machining

Info

Publication number: CN220823649U
Application number: CN202322488606.1U
Authority: CN
Inventors: 李跃; 舒纯娟; 李亮; 汪燕
Original assignee: Anhui Jin'an Zhengyang Electronic Technology Co ltd
Current assignee: Anhui Jin'an Zhengyang Electronic Technology Co ltd
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2024-04-19
Anticipated expiration: 2033-09-13

Abstract

The utility model discloses a clamping structure for SMT (surface mounted technology) patch processing, which relates to the field of SMT patch clamps and comprises symmetrically arranged clamping seats, wherein the end parts of the clamping seats are fixedly connected with supporting seats, the end parts of the clamping seats are provided with sliding seats capable of synchronously sliding with the clamping seats, one end of each supporting seat, which is close to the clamping seat, is provided with a limit rail matched with a pair of sliding seats, and the surface of each supporting seat is provided with a guide structure matched with the sliding seat. According to the utility model, the sliding seat and the edge clamping seat can be pulled to synchronously move through the guide structure, and the edge clamping seat is positioned to clamp the PCB, so that the edge warping phenomenon of the PCB is effectively avoided. Meanwhile, the guide structure can also pull the clamping seat away from the PCB, and the PCB is tested for material taking operation. In the process of material taking operation, through the adjustable limit structure, a space for limiting the inside of the seat to be movable is reserved, the edge clamping seat is smoothly lifted, and the edge clamping seat is driven to be far away from the PCB. In the process, friction between the clamping seat and the PCB in the moving process can be avoided, and the PCB is protected.

Description

Clamping edge structure for SMT (surface mounting technology) patch machining

Technical Field

The utility model relates to the field of SMT (surface mounted technology) paster clamps, in particular to a clamping edge structure for SMT paster processing.

Background

SMT patch refers to a short for serial process flow of processing on the basis of PCB, PCB is a printed circuit board, SMT is a surface mount technology (surface mount technology), and is one of the most popular technologies and processes in the electronic assembly industry. The edge clamping device can be used when the printed circuit board is pasted, so that the stability of the PCB is kept, and the edge warping state of the PCB is reduced.

The existing selvedge clamping device applied to the PCB processed by SMT is used for compressing the PCB mostly through a clamp with adjustable spacing, the spacing of the clamp needs to be adjusted after the processing operation is finished, shielding of the PCB is relieved, friction is generated between the clamp and the surface of the PCB easily in the process, friction pressure is easy to abrade the PCB, normal use of the PCB is affected, and processing quality of the PCB is further affected.

Disclosure of utility model

Aiming at the problems, the application provides a clamping edge structure for SMT paster processing.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a clamp limit structure for SMT paster processing, includes the clamp limit seat that the symmetry set up, the equal fixedly connected with supporting seat of tip of clamp limit seat, and the tip of clamp limit seat be provided with rather than synchronous sliding's slide, the one end that the supporting seat is close to the clamp limit seat be provided with the spacing track of a pair of slide looks adaptation, and the surface mounting of supporting seat has the guide structure with slide looks adaptation.

The end part of the edge clamping seat is fixedly connected with a limiting seat, a containing space for containing the limiting seat to lift and slide is formed in the surface of the sliding seat, a limiting structure capable of being movably arranged in the containing space is arranged above the sliding seat, and in a natural state, the limiting structure is in pressure butt joint with the surface of the limiting seat.

Further, the guide structure comprises alignment arms respectively fixed at the ends of a pair of sliding seats, the ends of the alignment arms are connected with traction arms through rotating shafts, a pair of traction arms distributed left and right are connected with the same linkage arm through rotating shafts, the center of the linkage arm penetrates through the surface of the supporting seat, the linkage arm rotates, and the traction arms synchronously move to guide the alignment arms to slide linearly.

Further, a motor is arranged below the supporting seat, and the center of the linkage arm is arranged at the main shaft end of the motor.

Further, a pair of limiting structures respectively located on the pair of sliding seats respectively comprise a pair of limiting pins capable of ascending and descending synchronously, the pair of limiting pins penetrate through the surface of the same limiting rod, and the surface of the limiting seat is provided with an alignment hole for accommodating placement of the bottom ends of the limiting pins.

The outer surfaces of the limiting pins are connected with positioning rings in a threaded mode, the surfaces of the positioning rings are fixedly connected with pressure springs, the end portions of the pressure springs are fixedly connected with compression rings, the compression rings are propped against the surfaces of the limiting rods, the limiting pins are pulled, the positioning rings are lifted synchronously, and the pressure springs shrink until the bottom ends of the limiting pins are separated from the alignment holes.

Further, the center department cover of restriction pole is equipped with the trailing arm, the bottom stabilizer blade of trailing arm is installed in the upper surface of slide, and the surface threaded connection of restriction pole has a pair of gasket, a pair of the gasket is located the both sides of trailing arm respectively.

Further, the end parts of a pair of limiting pins which are positioned above the same slide seat and move are fixedly connected with the same linkage handle.

In summary, the utility model has the technical effects and advantages that:

According to the utility model, the sliding seat and the edge clamping seat can be pulled to synchronously move through the guide structure, and the edge clamping seat is positioned to clamp the PCB, so that the edge warping phenomenon of the PCB is effectively avoided. Meanwhile, the guide structure can also pull the clamping seat away from the PCB, and the PCB is tested for material taking operation. In the process of material taking operation, through the adjustable limit structure, a space for limiting the inside of the seat to be movable is reserved, the edge clamping seat is smoothly lifted, and the edge clamping seat is driven to be far away from the PCB. In the process, friction between the clamping seat and the PCB in the moving process can be avoided, and the PCB is protected.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic view of the present utility model after the stop pin is rotated away from the slide.

Fig. 3 is an enlarged schematic view of the structure of the stop pin of the present utility model after being rotated away from the slide.

Fig. 4 is a schematic view of a second view structure according to the present utility model.

Fig. 5 is a schematic view of a part of the enlarged structure of fig. 4 according to the present utility model.

In the figure: 1. a clamping seat; 11. a limiting seat; 12. an alignment hole; 2. a support base; 21. a limit rail; 22. a linkage arm; 23. a motor; 3. a slide; 31. an alignment arm; 32. a traction arm; 4. a limiting pin; 5. a positioning ring; 6. a pressure spring; 7. a compression ring; 8. a restraining bar; 9. a bracket arm; 10. and a linkage handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1 and 2, an SMT chip processing is with selvedge structure, including the selvedge seat 1 that the symmetry set up, the equal fixedly connected with supporting seat 2 of tip of selvedge seat 1, and the tip of selvedge seat 1 is provided with the slide 3 that can slide rather than synchronous, and the one end that supporting seat 2 is close to selvedge seat 1 is provided with the spacing track 21 with a pair of slide 3 looks adaptation, and the surface mounting of supporting seat 2 has the guide structure with slide 3 looks adaptation. The guide structure can draw the sliding seat 3 to synchronously move with the edge clamping seat 1 so that the edge clamping seat 1 can position and clamp the PCB, and edge warping of the PCB is effectively avoided. Meanwhile, the guide structure can also pull the clamping seat 1 away from the PCB, and the PCB is tested for material taking operation.

The end part of the clamping seat 1 is fixedly connected with a limiting seat 11, a containing space for containing the limiting seat 11 to lift and slide is formed in the surface of the sliding seat 3, a limiting structure capable of being movably arranged in the containing space is arranged above the sliding seat 3, and in a natural state, the limiting structure is in pressure butt joint with the surface of the limiting seat 11. Through adjustable limit structure, can switch its and limit seat 11's connected state smoothly, leave limit seat 11 and lie in the inside movable space of slide 3 to rise smoothly and press from both sides limit seat 1, drive it and keep away from the PCB board. In this process, can avoid the friction with the PCB board in the limit seat 1 removal in-process, have the guard action to the PCB board.

As shown in fig. 1 and 2, the guiding structure includes alignment arms 31 respectively fixed to the ends of a pair of sliding bases 3, the ends of the alignment arms 31 are connected with traction arms 32 through rotating shafts, a pair of traction arms 32 distributed left and right are connected with a same linkage arm 22 through rotating shafts, and the center of the linkage arm 22 is installed on the surface of the supporting base 2 in a penetrating manner. In the process of disassembling the PCB, the linkage arm 22 rotates, the pair of traction arms 32 synchronously move, the guide alignment arm 31 linearly slides, the sliding seat 3 and the supporting seat 2 reversely move along the limit track 21 synchronously until the edge of the clamping seat 1 is close to and far away from the PCB. So as to achieve the purpose of switching the two states that the edge clamping seat 1 is in positioning contact with the PCB and moves to be separated from the PCB.

As shown in fig. 4, a motor 23 is mounted below the support base 2, and the center of the link arm 22 is mounted on the spindle end of the motor 23. The motor 23 can automatically control the main linkage arm 22 to rotate in the running process so as to switch the motion state of the linkage arm 22, and further can smoothly drive the pair of traction arms 32 to synchronously move, so as to achieve the purpose of controlling the synchronous movement of the alignment arm 31 and the sliding seat 3, and smoothly switch the contact state of the edge clamping seat 1 and the PCB.

As shown in fig. 3 and 5, a pair of limiting structures respectively located on a pair of sliding bases 3 includes a pair of limiting pins 4 capable of lifting synchronously, the pair of limiting pins 4 penetrate through the surface of the same limiting rod 8, and an alignment hole 12 for accommodating placement of the bottom end of the limiting pin 4 is formed in the surface of the limiting base 11.

The outer surfaces of the pair of limiting pins 4 are connected with the positioning rings 5 in a threaded mode, the surfaces of the positioning rings 5 are fixedly connected with the pressure springs 6, the end portions of the pressure springs 6 are fixedly connected with the pressing rings 7, the pressing rings 7 abut against the surfaces of the limiting rods 8, the limiting pins 4 are pulled, the positioning rings 5 ascend synchronously, and the pressure springs 6 shrink until the bottom ends of the limiting pins 4 are separated from the alignment holes 12. The limiting seat 11 is arranged in the movable space inside the sliding seat 3 so as to conveniently and smoothly lift the edge clamping seat 1 to drive the edge clamping seat to be far away from the PCB.

Through liftable mobile clamping seat 1, at the in-process that lateral shifting clamping seat 1 kept away from the PCB board, can avoid clamping seat 1 in-process and the friction of PCB board, effectively avoided the PCB board wearing and tearing phenomenon that both friction caused, have the guard action to the PCB board. The limit structure can be quickly far away from the edge clamping seat 1, so that the time required by adjusting the edge clamping seat 1 is reduced, and the limit structure has the advantage of writing operation.

As shown in fig. 3 and 5, a bracket arm 9 is sleeved at the center of the limiting rod 8, bottom support legs of the bracket arm 9 are mounted on the upper surface of the sliding seat 3, a pair of gaskets are connected with the surface of the limiting rod 8 in a threaded manner, and the gaskets are respectively located on two sides of the bracket arm 9. The limiting rod 8 can be located at the inner side of the supporting arm 9 to rotate, the limiting pin 4 is far away from the limiting seat 11, smooth sliding of the limiting seat 11 is guaranteed, the phenomenon that the limiting pin 4 deflects due to the pressure of the pressure spring 6 is effectively avoided, the gasket can avoid the limiting rod 8, and stability in the rotation process is guaranteed.

As shown in fig. 3 and 5, the end portions of a pair of stopper pins 4 that are movably located above the same slide base 3 are fixedly connected with the same link handle 10. The linkage handle 10 is controlled to move, and the pair of limiting pins 4 can be controlled to synchronously slide on the limiting rod 8, so that the purpose of driving the bottom ends of the limiting pins 4 to be separated from the alignment holes 12 is achieved, the limiting rod 8 can be smoothly rotated, and the portable operation is achieved.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a clamp limit structure is used in SMT paster processing which characterized in that: the clamping seat comprises symmetrically arranged clamping seats (1), wherein the end parts of the clamping seats (1) are fixedly connected with supporting seats (2), the end parts of the clamping seats (1) are provided with sliding seats (3) capable of synchronously sliding with the clamping seats, one ends, close to the clamping seats (1), of the supporting seats (2) are provided with limit rails (21) matched with the pair of sliding seats (3), and the surface of the supporting seats (2) is provided with guide structures matched with the sliding seats (3);

The limit seat (11) is fixedly connected to the end part of the edge clamping seat (1), a containing space for containing the limit seat (11) to lift and slide is formed in the surface of the sliding seat (3), a limit structure capable of being movably arranged in the containing space is arranged above the sliding seat (3), and in a natural state, the limit structure is in pressure butt joint with the surface of the limit seat (11).

2. The SMT patch machining clip edge structure of claim 1, wherein: the guide structure comprises alignment arms (31) which are respectively fixed at the end parts of a pair of sliding seats (3), wherein the end parts of the alignment arms (31) are connected with traction arms (32) through rotating shafts, a pair of traction arms (32) which are distributed left and right are connected with the same linkage arm (22) through rotating shafts, the center of the linkage arm (22) penetrates through the surface of a supporting seat (2), the linkage arm (22) rotates, and the traction arms (32) synchronously move to guide the alignment arms (31) to slide linearly.

3. The SMT patch machining clip edge structure of claim 2, wherein: the motor (23) is installed below the supporting seat (2), and the center of the linkage arm (22) is installed at the spindle end of the motor (23).

4. The SMT patch machining clip edge structure of claim 1, wherein: the pair of limiting structures respectively positioned on the pair of sliding seats (3) comprise a pair of limiting pins (4) which can synchronously lift, the pair of limiting pins (4) penetrate through the surface of the same limiting rod (8), and the surface of the limiting seat (11) is provided with an alignment hole (12) for accommodating the bottom end of the limiting pin (4);

The outer surfaces of the limiting pins (4) are connected with positioning rings (5) in a threaded mode, pressure springs (6) are fixedly connected to the surfaces of the positioning rings (5), pressing rings (7) are fixedly connected to the ends of the pressure springs (6), the pressing rings (7) are abutted to the surfaces of the limiting rods (8), the limiting pins (4) are pulled, the positioning rings (5) are lifted synchronously, and the pressure springs (6) shrink until the bottoms of the limiting pins (4) are separated from the alignment holes (12).

5. The SMT patch cord clip structure of claim 4, wherein: the center department cover of restriction pole (8) is equipped with trailing arm (9), the bottom stabilizer blade of trailing arm (9) is installed in the upper surface of slide (3), and the surface threaded connection of restriction pole (8) has a pair of gasket, a pair of the gasket is located the both sides of trailing arm (9) respectively.

6. The SMT patch machining clip edge structure of claim 1, wherein: the end parts of a pair of limiting pins (4) which are positioned above the same sliding seat (3) and move are fixedly connected with the same linkage handle (10).