Device for checking and testing adhesive force of SMT (surface mount technology) element

Abstract

The SMT element adhesive force checking and testing device comprises a working table, a first clamp and a second clamp, the first clamp and the second clamp are arranged on the front face and the back face of the working table respectively, and the distance between the first clamp and the second clamp can be adjusted according to the length of a printed circuit board. A clamping groove of the second clamp is provided with a second sliding groove, the second sliding groove is connected with a side clamping plate in a sliding mode, and the center of the printed circuit board is moved to the middle in the horizontal direction while the printed circuit board is fixed through the side clamping plate, so that the clamp does not need to be replaced when the SMT element adhesive force test is carried out on the unused printed circuit board, and the test efficiency is improved. And the operation is simple and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing technical field, concretely is a kind of SMT component adhesion checking testing device. BACKGROUND

[0002] Surface Mount Technology (SMT) is a kind of assembly and production method that electronic component is directly applied to the surface of printed circuit board (PCB), after SMT component finished product and before shipment, a series of quality inspection, such as efficiency sorting, appearance inspection, tension test, to ensure product quality, wherein tension test, also called adhesion test, is a very important step, adhesion checking testing device is needed here.

[0003] However, the above prior art adhesion checking testing device needs to replace the clamp when detecting different sizes of printed circuit boards, which is relatively cumbersome to use, and further affects the detection efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of SMT component adhesion checking testing device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of SMT component adhesion checking testing device, including work desk, first clamp, second clamp, the bottom center of the work desk is provided with sliding guide along two sides, the top of the sliding guide is provided with sliding inner cavity, the top of the work desk and corresponding sliding inner cavity place is provided with through slot, the two sides center of the sliding inner cavity is respectively connected with the two ends of first double-threaded rod, the two ends of the first double-threaded rod are provided with sliding block of sleeve connection, the sliding block is embedded and slidably connected in sliding inner cavity, the top of the sliding inner cavity and the top of work desk are in the same horizontal plane, the top of the sliding block is provided with connecting block, the inner side surface center of the connecting block is provided with adhesion tester;

[0007] The top front end and rear end center of the work desk are provided with first sliding slot along longitudinal direction, first clamp and second clamp are respectively embedded and slidably connected in two first sliding slots, the first clamp includes first clamp main body, clamping plate, the rear end of the first clamp main body is provided with clamping slot, the inside of the clamping slot is provided with clamping plate, the bottom center of the first clamp is provided with first sliding block, the first sliding block is embedded and slidably connected in one of first sliding slot;

[0008] The second clamp comprises a second clamp body, a top plate, a second sliding block is arranged at the bottom center of the second clamp body, the second sliding block is embedded and slidably connected at the other first sliding groove, a clamping groove is arranged at the top rear end of the second clamp body, fixing holes are arranged at the top two sides of the second clamp body, the top plate is arranged above the top of the second clamp body, limiting holes are arranged at the top two sides of the top plate corresponding to the fixing holes, and the fixing holes and the limiting holes are connected through a fixed bolt.

[0009] The clamping groove and the clamping groove are respectively provided with two ends of the printed circuit board.

[0010] Preferably, a driving motor is fixedly connected to the center of one side of the sliding guide rail, and the output end of the driving motor is connected with one end of the first bidirectional threaded rod.

[0011] Preferably, the top center of the clamping plate is connected with the bottom telescopic end of the spring buffer, and the top fixed end of the spring buffer is connected with the top of the clamping groove.

[0012] Preferably, a second sliding groove is arranged at the bottom of the clamping groove, two different ends of the second bidirectional threaded rod are respectively connected with the two ends of the second sliding groove, a sliding plate is arranged on the surface of the second bidirectional threaded rod in a sleeved mode, the sliding plate is embedded and slidably connected at the second sliding groove, and a side clamping plate is arranged at the top of the sliding plate and in contact with the side of the printed circuit board.

[0013] Preferably, a knob is fixedly connected to one side of the second clamp body, and the output end of the knob is connected with the second bidirectional threaded rod.

[0014] Compared with the prior art, the present application has the following beneficial effects:

[0015] The SMT component adhesion inspection testing device of the present application is provided with a first clamp and a second clamp on the front and back of the workbench, the distance between the two clamps can be adjusted according to the length of the printed circuit board, a second sliding groove is arranged in the clamping groove of the second clamp, and a side clamping plate is slidably connected with the second sliding groove. When the SMT component adhesion of the printed circuit board of different sizes is tested, the side clamping plate is used to fix the printed circuit board and move the center of the printed circuit board to the middle of the horizontal direction, so that the clamp does not need to be replaced when the SMT component adhesion of the printed circuit board of different sizes is tested, and the operation of the present application is simple and fast. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a whole structure schematic view of the present application;

[0017] Fig. 2 It is a structure schematic view of the first clamp of the present application;

[0018] Fig. 3 It is the second fixture structure schematic view of the utility model.

[0019] In the figure: 1, worktable;2, sliding guide rail;3, sliding inner cavity;4, through slot;5, sliding block;6, connecting block;7, adhesion tester;8, first bidirectional screw rod;9, first sliding groove;10, first fixture;1001, first fixture main body;1002, first sliding block;1003, clamping groove;1004, clamping plate;11, second fixture;1101, second sliding block;1102, second fixture main body;1103, clamping groove;1104, second sliding groove;1105, second bidirectional screw rod;1106, sliding plate;1107, side clamping plate;1108, top plate;1109, fixed hole;12, printed circuit board;13, fixed bolt;14, drive motor. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "vertical", "upper", "lower", "horizontal" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0022] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, 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 the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] Please refer to Figs. 1-3 The utility model provides a technical scheme:

[0024] The utility model provides a kind of SMT component adhesion inspection test device, including workbench 1, first clamp 10, second clamp 11, the bottom center of workbench 1 is provided with sliding guide rail 2 along two sides, the top of sliding guide rail 2 is opened with sliding inner cavity 3, the top of workbench 1 and the top of sliding inner cavity 3 are opened with through slot 4, the center of both sides of sliding inner cavity 3 is respectively connected with the both ends of first two-way threaded rod 8, sliding block 5 is connected in sliding inner cavity 3 with the both ends of first two-way threaded rod 8 being set with sliding block 5, the top of sliding block 5 is provided with connecting block 6, the inside surface center of connecting block 6 is provided with adhesion tester 7;

[0025] The top front end and rear end center of workbench 1 are provided with first sliding slot 9 along longitudinal direction, and the first sliding slot 9 is embedded and slidably connected with the first clamp 10 and the second clamp 11, respectively, the first clamp 10 includes first clamp body 1001 and clamping plate 1004, the rear end of first clamp body 1001 is provided with clamping groove 1003, the inside of clamping groove 1003 is provided with clamping plate 1004, the bottom center of first clamp 10 is provided with first sliding block 1002, and the first sliding block 1002 is embedded and slidably connected in one of the first sliding slots 9.

[0026] The second clamp 11 includes second clamp body 1102 and top plate 1108, the bottom center of second clamp body 1102 is provided with second sliding block 1101, the second sliding block 1101 is embedded and slidably connected in the other first sliding slot 9, the rear end top of second clamp body 1102 is provided with clamping groove 1103, the top of both sides of second clamp body 1102 is provided with fixing hole 1109, the top of second clamp body 1102 is provided with top plate 1108, the top of both sides of top plate 1108 is provided with limiting hole corresponding to fixing hole 1109, and the fixing hole 1109 and the limiting hole are connected by fixed bolt 13.

[0027] Specifically, in use, the other end of the printed circuit board 12 is placed in the clamping groove 1103, and then the top plate 1108 is placed above the second clamp body 1102, during the placement of the top plate 1108, the bottom buffer block of the top plate 1108 is located on the top of the printed circuit board 12, and finally the top plate 1108 is fixed above the second clamp body 1102 by the fixed bolt 13.

[0028] The clamping groove 1103 and the clamping groove 1003 are respectively provided with the two ends of the printed circuit board 12.

[0029] Further, the side center of the sliding guide rail 2 is fixedly connected with the driving motor 14, and the output end of the driving motor 14 is connected with one end of the first two-way threaded rod 8.

[0030] Further, the top center of the clamping plate 1004 is provided with a spring buffer, and the bottom telescopic end of the spring buffer is connected with the top of the clamping groove 1003.

[0031] Specifically, in use, considering that the thicknesses of different sizes of printed circuit boards 12 are different, the thickness of the clamping groove 1003 is greater than the thickness of the thickest printed circuit board 12, and in use, one end of the printed circuit board 12 is slidably inserted into the clamping groove 1003, and in the process of insertion, the clamping plate 1004 will move upwardly due to pressure, and when the bottom of the clamping plate 1004 is moved to the top of the printed circuit board 12, the printed circuit board 12 will be inserted. The spring buffer is a mature technology, and its internal specific structure and working principle will not be described in detail here.

[0032] Further, the bottom of the clamping groove 1103 is provided with a second sliding groove 1104, the two ends of the second sliding groove 1104 are respectively connected with two different ends of a second bidirectional threaded rod 1105, the surface of the second bidirectional threaded rod 1105 is provided with a sliding plate 1106 which is embeddedly and slidably connected in the second sliding groove 1104, and the top of the sliding plate 1106 is provided with a side clamping plate 1107 which is in contact with the side of the printed circuit board 12.

[0033] Further, one side of the second clamping body 1102 is fixedly connected with a knob, and the output end of the knob is connected with the second bidirectional threaded rod 1105.

[0034] Specifically, in use, the center of the printed circuit board 12 needs to be moved to the middle of the horizontal direction to facilitate the test of the adhesion tester 7, and this can be achieved by rotating the knob. The rotation of the knob will make the second bidirectional threaded rod 1105 rotate, and the rotation of the second bidirectional threaded rod 1105 will make the sliding plate 1106 move to both sides and the middle, and finally make the side clamping plate 1107 move to both sides and the middle. It should be noted that before the printed circuit board 12 is fixed at this end, the other end has been inserted into the clamping groove 1003, but the insertion position is not necessarily located in the middle position. During the movement of the two side clamping plates 1107, when one of the side clamping plates 1107 is in contact with one side of the printed circuit board 12 but the other is not, this side clamping plate 1107 will push the printed circuit board 12 to move to the middle of the horizontal direction. When both side clamping plates 1107 are in contact with the printed circuit board 12, the printed circuit board 12 is rotated to the appropriate position, and at this time the knob is rotated in the opposite direction.

[0035] Working principle: the utility model discloses a kind of SMT component adhesion inspection test device, first clamp 10 and second clamp 11 are respectively arranged on the front and back of work table 1, first clamp 10 and second clamp 11 can adjust the distance between two clamps according to the length of printed circuit board, then the two ends of printed circuit board 12 are respectively inserted into clamping groove 1003 and clamping groove 1103, realize the fixation of printed circuit board 12, second sliding slot 1104 is opened in the clamping groove of second clamp 11, second sliding slot 1104 is slidably connected with side clamping plate 1107, side clamping plate 1107 is moved by knob, while being fixed to printed circuit board 12 by side clamping plate 1107, printed circuit board 12 center is moved to the middle of horizontal direction, then drive motor 14 is started, first bidirectional screw rod 8 is rotated, the rotation of first bidirectional screw rod 8 will make sliding block 5 move to middle and both sides, the movement of sliding block 5 will make connecting block 6 move, the movement of connecting block 6 will make adhesion tester 7 move, so as to realize when SMT component adhesion test is carried out to printed circuit board 12 of different sizes, it is not necessary to replace clamp, the operation of the utility model is simple and fast.

[0036] It is worth noting that: the whole device is controlled by controller, since controller is common equipment, it belongs to existing mature technology, and its electrical connection relationship and specific circuit structure will not be repeated here.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the attached claims and its equivalents.

Claims

1. An SMT component adhesion inspection testing device, comprising a worktable (1), a first clamp (10), a second clamp (11), characterized in that: The bottom center of the workbench (1) is provided with sliding guide rails (2) on both sides, the top of the sliding guide rails (2) is provided with sliding cavities (3), the top of the workbench (1) is provided with through grooves (4) corresponding to the sliding cavities (3), the center of the two sides of the sliding cavities (3) is connected with the two ends of the first bidirectional threaded rod (8) respectively, the two ends of the first bidirectional threaded rod (8) are provided with sliding blocks (5) in sleeve connection, the sliding blocks (5) are embedded and slidingly connected in the sliding cavities (3), the top of the sliding cavities (3) is in the same horizontal plane with the top of the workbench (1), the top of the sliding block (5) is provided with a connecting block (6), the center of the inner side of the connecting block (6) is provided with an adhesion tester (7). The top front end and the top rear end center of the workbench (1) are provided with first sliding grooves (9) along the longitudinal direction, the first sliding grooves (9) are embedded and slidingly connected with first clamps (10) and second clamps (11) respectively, the first clamp (10) comprises a first clamp body (1001) and a clamping plate (1004), the rear end of the first clamp body (1001) is provided with a clamping groove (1003), the inside of the clamping groove (1003) is provided with the clamping plate (1004), the bottom center of the first clamp (10) is provided with a first sliding block (1002), and the first sliding block (1002) is embedded and slidingly connected at one of the first sliding grooves (9); The second clamp (11) comprises a second clamp body (1102) and a top plate (1108), the bottom center of the second clamp body (1102) is provided with a second sliding block (1101), the second sliding block (1101) is embedded and slidingly connected at the other first sliding groove (9), the rear end top of the second clamp body (1102) is provided with a clamping groove (1103), the top of the second clamp body (1102) is provided with fixing holes (1109) on both sides, the top of the second clamp body (1102) is provided with the top plate (1108) above, the top of the top plate (1108) is provided with limiting holes corresponding to the fixing holes (1109), and the fixing holes (1109) and the limiting holes are connected through a fixed bolt (13). The clamping groove (1103) and the clamping groove (1003) are respectively provided with two ends of the printed circuit board (12).

2. The SMT component adhesion inspection test device according to claim 1, characterized by: The center of one side of the sliding guide rail (2) is fixedly connected with a driving motor (14), and the output end of the driving motor (14) is connected with one end of the first bidirectional threaded rod (8).

3. The SMT component adhesion inspection test apparatus according to claim 1, characterized by: The top center of the clamping plate (1004) is connected with the bottom telescopic end of the spring buffer, and the top fixed end of the spring buffer is connected with the top of the clamping groove (1003).

4. The SMT component adhesion inspection test apparatus according to claim 1, characterized by: The bottom of the clamping groove (1103) is provided with a second sliding groove (1104), two ends of the second sliding groove (1104) are connected with two different ends of a second bidirectional threaded rod (1105) respectively, a sliding plate (1106) is sleeved on the surface of the second bidirectional threaded rod (1105), the sliding plate (1106) is embedded and slidingly connected at the second sliding groove (1104), and the top of the sliding plate (1106) is provided with a side clamping plate (1107) which is in contact with the side surface of the printed circuit board (12).

5. The SMT component adhesion inspection test apparatus according to claim 4, characterized by: One side of the second clamp body (1102) is fixedly connected with a knob, and the output end of the knob is connected with the second bidirectional threaded rod (1105).

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