SMT (Surface Mount Technology) surface mounting jig without surface mounting offset

Abstract

The utility model relates to the technical field of SMT (Surface Mount Technology) surface mounting jigs, in particular to an SMT surface mounting jig without offset, which comprises a U-shaped bottom plate, two rotating plates rotationally connected inside the U-shaped bottom plate, two clamping mechanisms connected between the two rotating plates in a sliding manner, and a supporting mechanism mounted on the upper end surface inside the U-shaped bottom plate, a second threaded rod is rotationally connected between the left end face and the right end face in the moving frame, a third servo motor with the output end fixedly connected with the second threaded rod is installed on the outer wall of the moving frame, the two ends of the outer wall of the second threaded rod are both in threaded connection with door-shaped frames, and a sliding rod is fixedly connected between the left end face and the right end face in the moving frame; the distance between the four L-shaped clamping plates can be adjusted according to the specifications of SMT patches, so that the SMT patches of different specifications can be conveniently clamped and fixed, the lower ends of the SMT patches can be supported through cooperation of the electric push rod, the lifting plate and the supporting plate, and the SMT patches are prevented from deforming during mounting.

Description

TECHNICAL FIELD

[0001] The utility model relates to SMT patch jig technical field, specifically disclose a kind of SMT patch jig of no offset of pasting. BACKGROUND

[0002] SMT patch refers to the series of technological processes of processing on the basis of PCB, PCB is printed circuit board, SMT is surface mount technology (surface mount technology), it is the most popular technology and process in electronic assembly industry, when electronic assembly, different shapes and sizes of SMT patch are needed, SMT patch is usually limited during SMT patch production to avoid SMT patch movement.

[0003] Chinese patent CN221202899U discloses a kind of SMT patch jig of no offset of pasting, including support, the support inner wall rotationally connected with driven gear, the driven gear inner wall slidingly connected with upper clamping plate, the upper clamping plate bottom end is connected with lower clamping plate by clamping mechanism;The clamping mechanism includes threaded sleeve, threaded rod and handle, the upper clamping plate top end is fixed with threaded sleeve, the threaded sleeve inner wall is connected with threaded rod by screw thread, the threaded rod bottom end is rotationally connected to lower clamping plate, and top end is fixed with handle.The SMT patch jig of no offset of pasting, the upper and lower clamping plates can be clamped and positioned to SMT patch by clamping mechanism, so as to have good stability, avoid the problem that SMT patch is offset, while starting motor can make rotating rod, driving gear and driven gear rotate to be able to overturn SMT patch to realize the effect that both sides can be pasted, improve the use efficiency of equipment, meet the use effect of equipment.

[0004] The SMT patch jig of no offset of pasting disclosed in the above file has the following problems:

[0005] 1, the size of upper clamping plate and lower clamping plate is fixed, so that it can only clamp and fix SMT patch of fixed specification, and cannot be applied to SMT patch of different specifications;

[0006] 2, the upper clamping plate and the lower clamping plate are both hollow structure, cannot support SMT patch from the bottom during pasting, leading to SMT patch deformation during pasting. UTILITY MODEL CONTENT

[0007] The utility model discloses a kind of SMT patch jig of no offset of pasting, can be clamped and fixed to SMT patch of different specifications, and SMT patch can be supported from bottom plate, prevent SMT patch deformation.

[0008] The utility model discloses a kind of SMT patch jigs of no offset of pasting, including U-shaped bottom plate, two rotating plates rotationally connected in U-shaped bottom plate inside, two clamping mechanisms slidingly connected between two rotating plates, support mechanism is installed in the upper end surface of U-shaped bottom plate inside;

[0009] The clamping mechanism includes a moving frame, a second threaded rod is rotationally connected between the left and right end surfaces inside the moving frame, a third servo motor is installed on the outer wall of the moving frame, the output end of which is fixedly connected to the second threaded rod, threaded connectors are provided on the two ends of the outer wall of the second threaded rod, a sliding rod is fixedly connected between the left and right end surfaces inside the moving frame, both of the two door-shaped frames are slidingly connected to the sliding rod, a third threaded rod is rotationally connected to the inner wall of each of the two door-shaped frames, a fourth servo motor is installed on the outer wall of each of the two door-shaped frames, the output end of which is fixedly connected to the third threaded rod, threaded connectors are provided on the two ends of the outer wall of each of the two third threaded rods.

[0010] Preferably, a sliding groove is formed in the outer wall of each of the two rotating plates, a first threaded rod is rotationally connected inside each of the two sliding grooves, a second servo motor is installed on the upper end surface of each of the two rotating plates, the output end of which is fixedly connected to the first threaded rod, and both of the two moving frames are threadedly connected to the two ends of the two first threaded rods.

[0011] Preferably, a shaft is fixedly connected to the outer wall of each of the two rotating plates, each of the two rotating plates is rotationally connected to the U-shaped bottom plate via the shaft, and a first servo motor is installed on the outer wall of the U-shaped bottom plate, the output end of which is fixedly connected to one of the shafts.

[0012] Preferably, the support mechanism includes two electric push rods fixedly installed on the upper end surface of the U-shaped bottom plate, a lifting plate is fixedly connected to the output end of each of the two electric push rods, and a support plate is detachably connected to the upper end surface of the lifting plate via bolts.

[0013] Preferably, the first threaded rod, the second threaded rod, and the third threaded rod are bidirectional threaded rods.

[0014] Preferably, a rubber pad is provided on the outer wall of the L-shaped clamping plate and the outer wall of the support plate.

[0015] Preferably, a groove is formed in the outer wall of the rotating plate close to the third servo motor.

[0016] Preferably, a controller is provided on the outer wall of the U-shaped bottom plate, and the first servo motor, the second servo motor, the third servo motor, the fourth servo motor, and the electric push rods are electrically connected to the controller.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The SMT patch jig without offset during mounting can adjust the distance between the four L-shaped clamping plates according to the specifications of the SMT patch, so that different specifications of SMT patches are conveniently clamped and fixed, the lower end of the SMT patch can be supported through cooperation of the electric push rod, the lifting plate and the supporting plate, so that the SMT patch is prevented from deforming during mounting, and the supporting plate and the lifting plate are detachably connected, so that different sizes of supporting plates can be replaced according to the specifications of the SMT patch. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the specific embodiments or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual proportions.

[0020] Figure 1 It is a whole structure diagram of the SMT patch jig without offset during mounting of the present application;

[0021] Figure 2 It is a front view sectional view of the SMT patch jig without offset during mounting of the present application;

[0022] Figure 3 It is a structure diagram of the clamping structure of the present application;

[0023] Figure 4 It is a structure diagram of the rotating plate of the present application.

[0024] In the drawings, 1, U-shaped bottom plate; 2, rotating plate; 3, rotating shaft; 4, first servo motor; 5, sliding groove; 6, first threaded rod; 7, second servo motor; 8, moving frame; 9, second threaded rod; 10, third servo motor; 11, sliding rod; 12, door-shaped frame; 13, third threaded rod; 14, fourth servo motor; 15, L-shaped clamping plate; 16, electric push rod; 17, lifting plate; 18, supporting plate; 19, groove. DETAILED DESCRIPTION

[0025] The embodiments of the technical solutions of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0026] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be understood as the usual meanings understood by the technical personnel in the field to which the present application belongs.

[0027] Please refer to Figures 1-4The utility model provides a kind of mounting offset-free SMT patch jig, including U-shaped bottom plate 1, two rotating plates 2 are rotatably connected in the inside of U-shaped bottom plate 1, two clamping mechanisms are slidably connected between the two rotating plates 2, support mechanism is installed on the upper end surface in the inside of U-shaped bottom plate 1;

[0028] Clamping mechanism includes movable frame 8, second threaded rod 9 is rotatably connected between the left and right end surfaces in the inside of movable frame 8, the outer wall of movable frame 8 is equipped with the third servo motor 10 of the fixed connection of the output end with second threaded rod 9, the both ends of the outer wall of second threaded rod 9 are threadedly connected with door type frame 12, the left and right end surfaces in the inside of movable frame 8 are fixedly connected with slide rod 11, two door type frames 12 are slidably connected with slide rod 11, the inner wall of two door type frames 12 is rotatably connected with third threaded rod 13, the outer wall of two third threaded rods 13 is threadedly connected with L-shaped clamping plate 15, which is equipped with the fourth servo motor 14 of the fixed connection of the output end with third threaded rod 13.

[0029] In the embodiment: start third servo motor 10, third servo motor 10 drives second threaded rod 9 to rotate, in turn drives two door type frames 12 to be close to each other or away from each other along slide rod 11, door type frame 12 further drives four L-shaped clamping plates 15 to be close to each other or away from each other in left and right directions, start fourth servo motor 14, fourth servo motor 14 drives third threaded rod 13 to rotate, in turn drives front and back two sides L-shaped clamping plate 15 to be close to each other or away from each other, so as to facilitate the distance between four L-shaped clamping plates 15 is adjusted according to the specification of SMT patch, and different specifications of SMT patch can be clamped and fixed.

[0030] As a kind of technical optimization scheme of the utility model, the opposite outer wall of two rotating plates 2 is equipped with sliding slot 5, the inside of two sliding slots 5 is rotatably connected with first threaded rod 6, the upper end surface of two rotating plates 2 is equipped with the second servo motor 7 of the fixed connection of the output end with first threaded rod 6, two movable frames 8 are threadedly connected to the both ends of two first threaded rods 6.

[0031] In the embodiment: SMT patch is placed between the L-shaped clamping plate 15 of upper and lower sides, two second servo motors 7 are started synchronously, second servo motor 7 drives first threaded rod 6 to rotate, in turn drives the movable frame 8 of upper and lower sides to be close to each other, to drive the L-shaped clamping plate 15 of upper and lower sides to be close to each other, SMT patch is clamped and fixed.

[0032] As a kind of technical optimization scheme of the utility model, the opposite outer wall of two rotating plates 2 is equipped with sliding slot 5, the inside of two sliding slots 5 is rotatably connected with first threaded rod 6, the upper end surface of two rotating plates 2 is equipped with the second servo motor 7 of the fixed connection of the output end with first threaded rod 6, two movable frames 8 are threadedly connected to the both ends of two first threaded rods 6.

[0033] In the embodiment, the first servo motor 4 is started, the first servo motor 4 drives the rotating plate 2 to rotate through the rotating shaft 3, and then drives the two moving frames 8 to rotate, the moving frame 8 is flipped, and thus the two surfaces of the SMT patch are conveniently mounted.

[0034] As a technical optimization scheme of the utility model, the supporting mechanism comprises two electric push rods 16 fixedly installed on the upper end faces of the U-shaped bottom plate 1, the output ends of the two electric push rods 16 are fixedly connected with a lifting plate 17, and the upper end face of the lifting plate 17 is detachably connected with a supporting plate 18 through bolts.

[0035] In the embodiment, the two electric push rods 16 are started synchronously, the electric push rod 16 drives the lifting plate 17 to move upwards, and then drives the supporting plate 18 to move upwards, the lower end of the SMT patch is supported, the SMT patch is prevented from being deformed during mounting, and the supporting plate 18 is detachably connected with the lifting plate 17, so that different sizes of the supporting plate 18 can be conveniently replaced according to the specifications of the SMT patch.

[0036] As a technical optimization scheme of the utility model, the first threaded rod 6, the second threaded rod 9 and the third threaded rod 13 are all bidirectional threaded rods.

[0037] In the embodiment, the first threaded rod 6 is arranged as a bidirectional threaded rod, so that the first threaded rod 6 can drive the two moving frames 8 to move synchronously relative to or away from each other during rotation, the second threaded rod 9 is arranged as a bidirectional threaded rod, so that the second threaded rod 9 can drive the two door-shaped frames 12 to move synchronously relative to or away from each other during rotation, and the third threaded rod 13 is arranged as a bidirectional threaded rod, so that the third threaded rod 13 can drive the two L-shaped clamping plates 15 on the front and back sides to move synchronously relative to or away from each other during rotation.

[0038] As a technical optimization scheme of the utility model, the outer wall of the L-shaped clamping plate 15 and the outer wall of the supporting plate 18 are both provided with rubber pads.

[0039] In the embodiment, the outer wall of the L-shaped clamping plate 15 and the outer wall of the supporting plate 18 are both provided with rubber pads, so that the SMT patch can be protected.

[0040] As a technical optimization scheme of the utility model, a groove 19 is formed in the outer wall of the rotating plate 2 close to the third servo motor 10.

[0041] In the embodiment, the groove 19 is arranged, so that the third servo motor 10 can be conveniently installed.

[0042] As a technical optimization scheme of the utility model, a controller is arranged on the outer wall of the U-shaped bottom plate 1, and the first servo motor 4, the second servo motor 7, the third servo motor 10, the fourth servo motor 14 and the electric push rod 16 are all electrically connected with the controller.

[0043] In the embodiment, the controller is used to control the first servo motor 4, the second servo motor 7, the third servo motor 10, the fourth servo motor 14 and the electric push rod 16 to work normally, and the automation degree is improved.

[0044] The working principle and use process of the utility model are as follows: in use, first, the position of the L-shaped clamping plate 15 is adjusted according to the specification of the SMT patch, specifically, the third servo motor 10 is started, the third servo motor 10 drives the second threaded rod 9 to rotate, and then drives the two door-shaped frames 12 to move close to or away from each other along the slide rod 11, the door-shaped frame 12 further drives the four L-shaped clamping plates 15 to move close to or away from each other in the left-right direction, the fourth servo motor 14 is started, the fourth servo motor 14 drives the third threaded rod 13 to rotate, and then drives the L-shaped clamping plates 15 on the front and back sides to move close to or away from each other, so as to conveniently adjust the distance between the four L-shaped clamping plates 15 according to the specification of the SMT patch, after the position of the L-shaped clamping plate 15 is adjusted, the SMT patch is placed between the L-shaped clamping plates 15 on the upper and lower sides, then the two second servo motors 7 are started synchronously, the second servo motor 7 drives the first threaded rod 6 to rotate, and then drives the moving frames 8 on the upper and lower sides to move close to each other, so as to drive the L-shaped clamping plates 15 on the upper and lower sides to move close to each other, and clamp and fix the SMT patch, then the two electric push rods 16 are started synchronously, the electric push rod 16 drives the lifting plate 17 to move upward, and then drives the supporting plate 18 to move upward, supports the lower end of the SMT patch, prevents the SMT patch from deforming during mounting, after mounting on one side is completed, the supporting plate 18 is driven downward by the electric push rod 16, and the first servo motor 4 is started, the first servo motor 4 drives the rotating plate 2 to rotate through the rotating shaft 3, and then drives the two moving frames 8 to rotate, and the moving frame 8 is flipped, so as to conveniently mount the other side of the SMT patch.

[0045] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A surface mount device (SMT) fixture for offset-free placement, characterized in that: It includes a U-shaped bottom plate (1), two rotating plates (2) rotatably connected to the inside of the U-shaped bottom plate (1), two clamping mechanisms slidably connected between the two rotating plates (2), and a supporting mechanism mounted on the upper end surface of the U-shaped bottom plate (1); The clamping mechanism comprises a moving frame (8), second threaded rods (9) rotatably connected between the left and right end surfaces in the moving frame (8), a third servo motor (10) mounted on the outer wall of the moving frame (8) and having an output end fixedly connected to the second threaded rod (9), door-shaped frames (12) threadedly connected to the two ends of the outer wall of the second threaded rod (9), a slide rod (11) fixedly connected between the left and right end surfaces in the moving frame (8), two door-shaped frames (12) slidably connected to the slide rod (11), third threaded rods (13) rotatably connected to the inner walls of the two door-shaped frames (12), fourth servo motors (14) mounted on the outer walls of the two door-shaped frames (12) and having output ends fixedly connected to the third threaded rods (13), and L-shaped clamping plates (15) threadedly connected to the two ends of the outer wall of the two third threaded rods (13).

2. The no-offset pick-and-place SMT patch fixture of claim 1, wherein: The opposite outer walls of the two rotating plates (2) are each provided with a sliding groove (5), and the interiors of the two sliding grooves (5) are each rotatably connected with a first threaded rod (6).

3. The no-offset pick-and-place SMT patch fixture of claim 2, wherein: The opposite outer walls of the two rotating plates (2) are each fixedly connected with an axis (3), and the two rotating plates (2) are rotatably connected to the U-shaped bottom plate (1) through the axes (3).

4. The no-offset pick-and-place SMT patch fixture of claim 3, wherein: The supporting mechanism comprises two electric push rods (16) fixedly mounted on the upper end surface of the U-shaped bottom plate (1), and the output ends of the two electric push rods (16) are fixedly connected with a lifting plate (17), and the upper end surface of the lifting plate (17) is detachably connected with a supporting plate (18) through bolts.

5. The no-offset pick-and-place SMT patch tool of claim 2, wherein: The first threaded rod (6), the second threaded rod (9) and the third threaded rod (13) are all bidirectional threaded rods.

6. The no-offset pick-and-place SMT patch tool of claim 1, wherein: The outer wall of the L-shaped clamping plate (15) and the outer wall of the supporting plate (18) are both provided with rubber pads.

7. The no-offset pick-and-place SMT patch tool of claim 1, wherein: The outer wall of the rotating plate (2) close to the third servo motor (10) is provided with a groove (19).

8. The no-offset pick-and-place SMT patch fixture of claim 4, wherein: The outer wall of the U-shaped bottom plate (1) is provided with a controller, and the first servo motor (4), the second servo motor (7), the third servo motor (10), the fourth servo motor (14) and the electric push rod (16) are all electrically connected with the controller.

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