Novel SMT (Surface Mount Technology) clamp

Abstract

The utility model discloses a novel SMT paster clamp, comprising a rack, the bottom surface of the rack is provided with a positive and negative tooth lead screw through a bearing pedestal, one end of the positive and negative tooth lead screw is provided with a driven gear, the top surface of the rack is fixedly provided with a servo motor, the output end of the servo motor is provided with a driving gear, and the driving gear is provided with a driven gear. The driving gear is meshed with the driven gear, a moving block is used on the positive and negative tooth lead screw in a matched mode, a sliding block is welded to the top face of the moving block, a sliding groove is formed in the surface of the rack, the sliding block is in sliding connection with the sliding groove, and a supporting seat is welded to the top end of the sliding block; a support and a supporting table are fixedly connected to the upper end and the lower end of the surface of one side of the supporting base correspondingly. According to the SMT patch clamping device, the clamping plate for elastically clamping the SMT patch is arranged, a buffering process can be achieved in the clamping process of the SMT patch, the SMT patch can be prevented from being damaged by impact force in cooperation with use of the protection pad, it is guaranteed that the SMT patch cannot be damaged, practicability is high, and the SMT patch clamping device is worthy of popularization.

Description

TECHNICAL FIELD

[0001] The utility model relates to patch production technical field especially relates to a novel SMT patch clamp. BACKGROUND

[0002] SMT is surface assembly technology (surface mount technology), is the most popular one kind of technology and craft in electronic assembly industry.Electronic circuit surface assembly technology is called surface mount or surface mount technology.It is a kind of no pin or short lead surface assembly component installation in printed circuit board surface or other substrate surface, through reflow soldering or immersion soldering method is welded assembly circuit connecting technology.SMT process needs to pass through the process such as tin paste printing, part mounting, reflow soldering, optical detection, maintenance, board, when some problems patch need to be sent to repair workshop and utilize soldering iron to maintain, generally need to swing clamp manually during the maintenance process, since different SMT patch size is different, the precision of traditional clamp is low, if there is a large deviation in the place of clamping, it is easy to damage the components of circuit board, causes damage.

[0003] The existing technology has the following problems:

[0004] After a large amount of retrieval, the patent file with application No. CN202021609989.3 discloses a kind of novel SMT patch clamp, however, the above-mentioned patent still needs to be improved in actual use process, more obvious is that the clamping plate will produce certain impact force in the process of clamping SMT patch, prone to SMT patch damage problem.

[0005] Therefore, we propose a kind of novel SMT patch clamp to solve the above-mentioned drawbacks. Utility model content

[0006] The utility model aims at providing a kind of novel SMT patch clamp to solve the shortcomings in the prior art.

[0007] In order to achieve the above object, the utility model discloses the following technical scheme: A novel SMT patch clamp, including the frame, the bottom surface of frame is installed with positive and negative toothed screw through bearing seat, and one end of positive and negative toothed screw is installed with driven gear, the top surface fixed mounting of frame has servo motor, and the output of servo motor is installed with driving gear, and driving gear is engaged with driven gear, the movable block of cooperation is used on positive and negative toothed screw, and the top surface welding of movable block has sliding block, the surface of frame is provided with the sliding slot, the sliding block is slidably connected with sliding slot, the top end welding of sliding block has support seat, and the side surface upper end and lower end of support seat are respectively fixed with support and support platform, the surface fixed mounting of support has servo cylinder, and the output of servo cylinder is installed with mounting bracket, the surface of mounting bracket is provided with guide rod, and one end of guide rod is connected with limit block in screw thread, the other end of guide rod is installed with clamping plate, and the spring of guide rod is equipped between clamping plate and mounting bracket on the outside, the side surface of clamping plate and support platform that are close to each other all are bonded with magic tape hook face, and the opposite surface of two magic tape hook faces all are bonded with magic tape hair face, and the other side surface of two magic tape hair faces that are close to each other all are bonded with protective pad.

[0008] Preferably, the top surface of the frame is fixedly installed with a control switch, and the control switch is electrically connected with the servo cylinder and the servo motor through wires.

[0009] Preferably, the surface area of the protective pad is the same as the surface area of the clamping plate and the support platform.

[0010] Preferably, the guide rod is provided with a plurality of guide rods, and the plurality of guide rods are uniformly distributed at the four corners of the surface of the mounting bracket.

[0011] Preferably, the length of the support platform is the same as the length of the support.

[0012] Preferably, the length of the sliding block is greater than the thickness of the frame.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. In the utility model, the clamping plate elastically clamps the SMT patch, which can buffer during clamping the SMT patch, avoid damage to the SMT patch by impact force, ensure that the SMT patch is not damaged, and has high practicability.

[0015] 2. In the utility model, the magic tape hook face and the magic tape hair face are provided, which facilitates disassembly and replacement of the protective pad on the clamping plate and the support platform, facilitates disassembly and replacement of the worn protective pad, and is more simple and convenient to operate, saving time and effort. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0017] Figure 1 A structural schematic diagram of a novel SMT patch clamp is provided in the present application.

[0018] Figure 2 A perspective view of a support seat, a support table, a support and a protective pad.

[0019] Figure 3 A partial structural schematic diagram of Figure 1 .

[0020] Figure 4 An external structural schematic diagram of Figure 1 .

[0021] Legend:

[0022] 1, rack; 2, positive and negative toothed screw; 3, driven gear; 4, servo motor; 5, driving gear; 6, moving block; 7, sliding groove; 8, sliding block; 9, support seat; 10, support table; 11, support; 12, servo cylinder; 13, protective pad; 14, mounting frame; 15, guide rod; 16, limit block; 17, clamping plate; 18, spring; 19, magic hook surface; 20, magic hair surface; 21, control switch. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0024] In the description of the utility model, it is necessary to explain that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Please refer to Figures 1-4 A novel SMT paster clamp, including frame 1, the bottom surface of frame 1 is installed with positive and negative toothed screw 2 through bearing seat, and one end of positive and negative toothed screw 2 is installed with driven gear 3, the top surface of frame 1 is fixedly installed with servo motor 4, and the output end of servo motor 4 is installed with driving gear 5, and driving gear 5 is engaged with driven gear 3, and movable block 6 is used in cooperation on positive and negative toothed screw 2, and the top surface of movable block 6 is welded with sliding block 8, the surface of frame 1 is provided with sliding groove 7, and sliding block 8 is slidably connected with sliding groove 7, the top end of sliding block 8 is welded with support base 9, and the surface of support base 9 is fixedly connected with support 11 and support table 10 respectively at the upper end and the lower end of one side surface, the surface of support 11 is fixedly installed with servo cylinder 12, and the output end of servo cylinder 12 is installed with mounting rack 14, the surface of mounting rack 14 is provided with guide rod 15 in penetration, and the one end of guide rod 15 is threadedly connected with limit block 16, the other end of guide rod 15 is installed with clamping plate 17, and spring 18 is sleeved outside guide rod 15 between clamping plate 17 and mounting rack 14, the side surface of clamping plate 17 and support table 10 close to each other is bonded with magic tape hook face 19, and the opposite side surface of two magic tape hook faces 19 is bonded with magic tape nap surface 20, and the other side surface of two magic tape nap surfaces 20 close to each other is bonded with protective pad 13.

[0026] When in use, the distance between the two support seats 9 is adjusted according to the size of the SMT patch, and the distance between the two support seats 9 is slightly larger than the size of the SMT patch, then the SMT patch is placed between the two support seats 9, and the SMT patch is located on the surface of the two support tables 10, then the servo cylinder 12 is elongated, the clamping plate 17 is driven to move downward to clamp the SMT patch, so that the SMT patch is compressed, and the worker can repair the SMT patch after the compression is completed. The clamping plate 17 for elastically clamping the SMT patch can play a buffering process during clamping the SMT patch, and the use of the protective pad 13 can avoid damage to the SMT patch caused by impact force, so that the SMT patch is not damaged, and the utility is strong, and it is worth promoting. The magic tape hook surface 19 and the magic tape wool surface 20 are arranged, which facilitates disassembly and replacement of the protective pad 13 on the clamping plate 17 and the support table 10, is beneficial to disassembly and replacement of the worn protective pad 13, and the operation is more simple and convenient, time-saving and labor-saving.

[0027] In the embodiment, the top surface of the rack 1 is fixedly provided with a control switch 21, and the control switch 21 is electrically connected with the servo cylinder 12 and the servo motor 4 through wires.

[0028] Specifically, it is a common circuit connection structure, which is common for those skilled in the art, and will not be described in detail here.

[0029] In the embodiment, the surface area of the protective pad 13 is the same as that of the clamping plate 17 and the support table 10.

[0030] Specifically, the protection effect of the SMT patch is improved, and the SMT patch is not easily damaged.

[0031] In the embodiment, the guide rod 15 is provided with a plurality of guide rods 15, and the plurality of guide rods 15 are uniformly distributed at the four corners of the surface of the mounting frame 14.

[0032] Specifically, the stability of the clamping plate 17 during clamping the SMT patch is improved, so that the stress during the compression of the SMT patch is more uniform, and the problem of local excessive stress leading to damage is not easy to occur.

[0033] In the embodiment, the length of the support table 10 is the same as that of the support 11.

[0034] Specifically, the assembly process does not need to distinguish between the two, which is more simple.

[0035] In the embodiment, the length of the sliding block 8 is greater than the thickness of the rack 1.

[0036] Specific, can cooperate with the positive and negative tooth screw 2 to rotate the movement into a linear motion, and drive two support seat 9 to move, realize the effect of adjusting the distance between the two support seat 9, meet a variety of specifications of SMT patch for use.

[0037] In this embodiment: control switch 21 is the existing structure, and the control circuit can be realized by the simple programming of those skilled in the art, which belongs to the common knowledge in the art, only for use, without modification, so the control mode and circuit connection are not described in detail.

[0038] Working principle: in use, according to the size of SMT patch to adjust the distance between the two support seat 9, and ensure that the distance between the two support seat 9 is slightly larger than the size of SMT patch, and then the SMT patch is placed between the two support seat 9, and the SMT patch is located on the surface of the two support table 10, then the servo cylinder 12 is elongated, drive the clamping plate 17 down to clamp the SMT patch, so as to complete the compression of the SMT patch. After the compression is completed, the worker can repair the SMT patch. Among them, the clamping plate 17 for elastically clamping the SMT patch is set, which can play a buffering process in the process of clamping the SMT patch. In combination with the use of protective pad 13, the impact force can be avoided to damage the SMT patch, so as to ensure that the SMT patch will not be damaged, and the practicality is strong, and it is worth popularizing. Among them, the magic tape hook surface 19 and the magic tape hair surface 20 are set, which is convenient for disassembling and replacing the protective pad 13 on the clamping plate 17 and the support table 10. It is beneficial to disassemble and replace the worn protective pad 13, and the operation is more simple and convenient, time-saving and labor-saving.

[0039] It should be noted that: the model and specification of control switch 21, servo cylinder 12 and servo motor 4 need to be selected and determined according to the actual specification of the device. The specific selection calculation method adopts the existing technology in the art, so it is not described in detail.

[0040] The power supply and principle of control switch 21, servo cylinder 12 and servo motor 4 are clear to those skilled in the art, which are not described in detail here.

[0041] It is worth noting that the control switch 21 disclosed in the above examples can adopt MCS-51, the servo cylinder 12 can adopt DTZ630, and the servo motor 4 can adopt Y80M1-2. The control switch 21 controls the servo cylinder 12 and the servo motor 4 to work, which adopts the method commonly used in the existing technology.

[0042] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A novel SMT paster jig comprising a frame (1), characterized in that, The bottom surface of the rack (1) is installed with a reversible toothed screw (2) through a bearing seat, and one end of the reversible toothed screw (2) is installed with a driven gear (3); the top surface of the rack (1) is fixedly installed with a servo motor (4), and the output end of the servo motor (4) is installed with a driving gear (5), and the driving gear (5) is engaged with the driven gear (3); the reversible toothed screw (2) is used in cooperation with a moving block (6), and the top surface of the moving block (6) is welded with a sliding block (8); the surface of the rack (1) is provided with a sliding groove (7), and the sliding block (8) is slidably connected with the sliding groove (7); the top end of the sliding block (8) is welded with a support seat (9), and the side surface of the support seat (9) is fixedly connected with a support (11) and a support table (10) at the upper end and the lower end, respectively; the surface of the support (11) is fixedly installed with a servo cylinder (12), and the output end of the servo cylinder (12) is installed with a mounting bracket (14); the surface of the mounting bracket (14) is provided with a guide rod (15) penetrating through, and one end of the guide rod (15) is threadedly connected with a limiting block (16); the other end of the guide rod (15) is installed with a clamping plate (17), and a spring (18) is sleeved outside the guide rod (15) between the clamping plate (17) and the mounting bracket (14); the side surface of the clamping plate (17) and the support table (10) which are close to each other is adhered with a magic tape hook face (19), and the opposite side surface of the two magic tape hook faces (19) is adhered with a magic tape fluff face (20), and the other side surface of the two magic tape fluff faces (20) which are close to each other is adhered with a protective pad (13).

2. A novel SMT paster jig according to claim 1, characterized in that, The top surface of the rack (1) is fixedly installed with a control switch (21), and the control switch (21) is electrically connected with the servo cylinder (12) and the servo motor (4) through wires.

3. A novel SMT paster jig according to claim 1, characterized in that, The surface area of the protective pad (13) is the same as that of the clamping plate (17) and the support table (10).

4. A novel SMT paster jig according to claim 1, characterized in that, A plurality of guide rods (15) are evenly distributed at the four corners of the surface of the mounting bracket (14).

5. A novel SMT paster jig according to claim 1, wherein The length of the support table (10) is the same as that of the support (11).

6. A novel SMT paster jig according to claim 1, wherein The length of the sliding block (8) is greater than the thickness of the rack (1).

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