SMT patch fixing mechanism

Abstract

The utility model belongs to the technical field of SMT (surface mount technology), and particularly relates to an SMT fixing mechanism which comprises an operation chamber, the operation chamber is a square box body, an SMT chip mounter is arranged in an inner cavity of the operation chamber, the left side and the right side of the operation chamber are connected with a front replacement chamber and a rear replacement chamber in a penetrating manner, a sliding groove is formed in the front side wall of the front replacement chamber, and a sliding groove is formed in the rear side wall of the rear replacement chamber. A connector is slidably mounted in an inner cavity of the sliding groove, a blocking door is fixedly connected to the side wall of the connector, symmetrical lifting air cylinders are arranged in the middle of the bottom face of an inner cavity of the front replacement chamber, sliding rails are fixedly mounted at the telescopic ends of the lifting air cylinders, and clamping devices are slidably mounted in inner cavities of the sliding rails. An observation opening is formed in the side wall of the operation chamber, the front replacement chamber and the rear replacement chamber are the same devices, the clamping device comprises a threaded clamping block, a support, a sliding block and a clamping arm, the threaded clamping block is installed on the support in a clamping mode, the support is fixedly installed on the top face of the sliding block, and the device is simple in structure and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of SMT patches, in particular to an SMT patch fixing mechanism. Background Art

[0002] SMT is surface assembly technology, which is the most popular technology and process in the current electronic assembly industry. Electronic circuit surface assembly technology is called surface mounting or surface mounting technology. It is a circuit assembly technology that installs pinless or short-lead surface assembly components on the surface of printed circuit boards or other substrates, and assembles them by soldering through reflow soldering or dip soldering.

[0003] When the circuit board is sent inside for patching, directly opening the hatch will cause dust to enter, and the fixture is immobile, making it difficult to clamp some special-shaped circuit boards. For this reason, we propose an SMT patch fixing mechanism. Utility Model Content

[0004] The utility model aims to provide an SMT patch fixing mechanism to solve the problems in the above background technology that directly opening the hatch will cause dust to enter and it is difficult to clamp some special-shaped circuit boards.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an SMT patch fixing mechanism, comprising an operating room, the operating room is a square box body, the inner cavity of the operating room is provided with an SMT patch machine, the left and right sides of the operating room are connected through a front displacement chamber and a rear displacement chamber, partition doors are installed between the operating room and the front displacement chamber and the rear displacement chamber, a slide groove is opened on the front side wall of the front displacement chamber, a connector is slidably installed in the inner cavity of the slide groove, a baffle door is fixedly connected to the side wall of the connector, a symmetrical lifting cylinder is arranged in the middle of the inner cavity bottom surface of the front displacement chamber, slide rails are fixedly installed on the telescopic end of the lifting cylinder and the inner cavity bottom of the operating room, and a clamp is slidably installed in the inner cavity of the slide rail.

[0006] Preferably, an observation port is provided on the side wall of the operating chamber, and the front displacement chamber and the rear displacement chamber are identical devices.

[0007] Preferably, the clamp comprises: a threaded clamp block, a bracket, a slider and a clamp arm, the threaded clamp block is clamped and mounted on the bracket, the bracket is fixedly mounted on the top surface of the slider, the clamp arm is mounted on the top side wall of the threaded clamp block, and a motor-driven wheel set is provided on the bottom side wall of the slider.

[0008] Preferably, the clamp arm comprises: a connecting rod, a screw rod, a front bayonet, a rear bayonet, a connecting piece, a spring piece and a clamping plate, the front bayonet and the rear bayonet are threadedly connected to the screw rod, and the connecting piece is sleeved between the front bayonet and the rear bayonet.

[0009] Preferably, the clamping plates are provided in three pieces, buckles are installed on the clamping plates at the upper and lower ends, the spring member is rotatably installed between the connecting member and the buckle, and hinges are provided between the clamping plates.

[0010] Preferably, dust removal equipment is installed on both the front displacement chamber and the rear displacement chamber.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1) The device is provided with a front replacement chamber and a rear replacement chamber, and dust removal equipment is installed on the front replacement chamber and the rear replacement chamber, so that dust reduction treatment can be performed before the circuit board enters. The device has a simple structure and is easy to use.

[0013] 2) A buckle is installed on the clamping plate on the device, and the spring part is rotatably installed between the connecting part and the buckle, so that circuit boards of different shapes can be better clamped. An anti-slip rubber sleeve is provided on the surface of the clamping plate, which can clamp and clamp different shapes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the front displacement chamber of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the clamp of the utility model;

[0017] Figure 4 This is a schematic diagram of the installation of the motor-driven wheel assembly of the utility model;

[0018] Figure 5 This is a schematic diagram of the clamp arm structure of the utility model.

[0019] In the figure: 1. operating room; 2. observation port; 3. front displacement chamber; 4. rear displacement chamber; 5. dust removal equipment; 6. slide chute; 7. door stop; 8. lifting cylinder; 9. slide rail; 10. clamp; 11. connecting rod; 12. screw rod; 13. front latch; 14. connecting piece; 15. spring piece; 16. clamping plate; 17. hinge; 18. buckle; 19. rear latch; 20. bracket; 21. threaded clamp block; 22. clamp arm; 23. slider; 24. motor drive wheel set. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0022] See also Figure 1-5 The utility model provides a technical solution: an SMT patch fixing mechanism, including an operating room 1, the operating room 1 is a square box body, the inner cavity of the operating room 1 is provided with an SMT patch machine, the left and right sides of the operating room 1 are connected with a front replacement chamber 3 and a rear replacement chamber 4, when the circuit board enters and leaves the operating room 1, directly opening the hatch of the operating room 1 will cause dust to enter and affect the quality of production, and the dust is filtered through the front replacement chamber 3 and the rear replacement chamber 4 before opening the partition door, which reduces the entry of dust, and partitions are installed between the operating room 1 and the front replacement chamber 3 and the rear replacement chamber 4. When the front replacement chamber 3 is opened, the circuit board is put in for filtering and dust reduction. When the dust reduction is completed, the partition door is opened and put into the operating chamber 1. A slide groove 6 is provided on the front side wall of the front replacement chamber 3. A connector is slidably installed in the inner cavity of the slide groove 6. A baffle door 7 is fixedly connected to the side wall of the connector. A symmetrical lifting cylinder 8 is provided in the middle of the bottom surface of the inner cavity of the front replacement chamber 3. Slide rails 9 are fixedly installed on the telescopic end of the lifting cylinder 8 and the bottom of the inner cavity of the operating chamber 1. A clamp 10 is slidably installed in the inner cavity of the slide rail 9. The lifting cylinder 8 can better adjust and dock with the slide rail 9 in the operating chamber 1.

[0023] Among them, an observation port 2 is opened on the side wall of the operating room 1, and the observation port 2 can see the internal situation. The front displacement chamber 3 and the rear displacement chamber 4 are the same device. The clamp 10 includes: a threaded clamp block 21, a bracket 20, a slider 23 and a clamp arm 22. The threaded clamp block 21 is clamped and installed on the bracket 20, and the bracket 20 is fixedly installed on the top surface of the slider 23. The clamp arm 22 is installed on the top side wall of the threaded clamp block 21. A motor drive wheel group 24 is arranged on the bottom side wall of the slider 23. The motor drive wheel group 24 drives the clamp arm 22 and the bracket 20 to push forward. The threaded clamp block 21 can be loosened to adjust the height. The clamp arm 22 includes: a connecting rod 11, a screw rod 12, a front bayonet 13, a rear bayonet 19, a connecting piece 14, The spring member 15 and the clamping plate 16, the front bayonet 13 and the rear bayonet 19 are threadedly connected to the screw rod 12, the connecting member 14 is sleeved between the front bayonet 13 and the rear bayonet 19, the clamping plate 16 is provided with three pieces, buckles 18 are installed on the clamping plates 16 at the upper and lower ends, the spring member 15 is rotatably installed between the connecting member 14 and the buckle 18, and hinges 17 are provided between the clamping plates 16. The three clamping plates 16 can be rotated separately and can clamp special-shaped circuit boards. By adjusting the front bayonet 13 and the rear bayonet 19, the spring member 15 can be adjusted to apply different pressures to the clamping plates 16 at the upper and lower ends. Dust removal equipment 5 is installed on the front displacement chamber 3 and the rear displacement chamber 4, and the dust removal equipment 5 is an existing circuit board dust collecting machine.

[0024] Working principle: the front bayonet 13 and the rear bayonet 19 are threadedly connected to the screw rod 12, the connecting piece 14 is sleeved between the front bayonet 13 and the rear bayonet 19, the front bayonet 13 and the rear bayonet 19 are rotated, the connecting piece 14 does not rotate, buckles 18 are installed on the clamping plates 16 at the upper and lower ends, the spring member 15 is rotatably installed between the connecting piece 14 and the buckle 18, a hinge 17 is arranged between the clamping plates 16, the clamping plates 16 are arranged in three pieces, by adjusting the position of the front bayonet 13 on the screw rod 12, the shape of the three clamping plates 16 is changed to clamp the circuit board more closely, the front and rear ends of the front bayonet 13 are both provided with rear bayonet 19, the connecting piece 14 Located between the front latch 13 and the rear latch 19, the connecting piece 14 is prevented from falling off. The slide rail 9 is fixedly installed on the telescopic end of the lifting cylinder 8 of the device and on the bottom of the inner cavity of the operating room 1. The lifting cylinder 8 can better adjust and dock with the slide rail 9 in the operating room 1. Open the baffle door 7 to place the circuit board. Partition doors are installed between the operating room 1 and the front replacement chamber 3 and the rear replacement chamber 4. Dust will not enter the operating room 1. When the dust removal device 5 removes dust, the partition door is opened, and the slider 23 drives the clamper 10 to enter the operating room 1. After the work is completed, the partition door is opened to enter the rear replacement chamber 4 and then the partition door is closed. Then the baffle door 7 is opened to go out, and dust is reduced from entering the operating room 1.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A SMT patch fixing mechanism, comprising an operating room (1), characterized in that: The operating room (1) is a square box body. The inner cavity of the operating room (1) is provided with an SMT placement machine. The left and right sides of the operating room (1) are connected with a front displacement room (3) and a rear displacement room (4). Partition doors are installed between the operating room (1) and the front displacement room (3) and the rear displacement room (4). A slide groove (6) is provided on the front side wall of the front displacement room (3). A connector is slidably installed in the inner cavity of the slide groove (6). A blocking door (7) is fixedly connected to the side wall of the connector. A symmetrical lifting cylinder (8) is provided in the middle of the inner cavity bottom surface of the front displacement room (3). A slide rail (9) is fixedly installed on the telescopic end of the lifting cylinder (8) and the inner cavity bottom of the operating room (1). A clamp (10) is slidably installed in the inner cavity of the slide rail (9).

2. The SMT patch fixing mechanism according to claim 1, characterized in that: An observation port (2) is provided on the side wall of the operating chamber (1), and the front displacement chamber (3) and the rear displacement chamber (4) are identical devices.

3. The SMT patch fixing mechanism according to claim 1, characterized in that: The clamp (10) comprises: a threaded clamp (21), a bracket (20), a slider (23) and a clamp arm (22); the threaded clamp (21) is clamped and mounted on the bracket (20); the bracket (20) is fixedly mounted on the top surface of the slider (23); the clamp arm (22) is mounted on the top side wall of the threaded clamp (21); and a motor drive wheel group (24) is provided on the bottom side wall of the slider (23).

4. The SMT patch fixing mechanism according to claim 3, characterized in that: The clamp arm (22) comprises: a connecting rod (11), a screw rod (12), a front clamp pin (13), a rear clamp pin (19), a connecting piece (14), a spring piece (15) and a clamping plate (16); the front clamp pin (13) and the rear clamp pin (19) are threadedly connected to the screw rod (12); and the connecting piece (14) is sleeved between the front clamp pin (13) and the rear clamp pin (19).

5. The SMT patch fixing mechanism according to claim 4, characterized in that: The clamping plates (16) are provided in three pieces, buckles (18) are installed on the clamping plates (16) at the upper and lower ends, the spring member (15) is rotatably installed between the connecting member (14) and the buckle (18), and hinges (17) are provided between the clamping plates (16).

6. The SMT patch fixing mechanism according to claim 4, characterized in that: Dust removal equipment (5) is installed on both the front displacement chamber (3) and the rear displacement chamber (4).

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