PCB clamping frame

Abstract

The utility model discloses a PCB clamping frame. The PCB clamping frame comprises a rack body, an upper clamping assembly and a lower clamping assembly, wherein the upper clamping assembly and the lower clamping assembly are arranged on the rack body; the rack body comprises a base and a supporting frame connected with the base in a sliding mode and further comprises a first adjusting part for driving the supporting frame to move upwards / downwards. The upper clamping assembly comprises a sliding rail fixed to the supporting frame and a plurality of clamping jaws sliding on the sliding rail. The lower clamping assembly comprises at least two groups of clamping plates and a second adjusting part for driving the clamping plates to clamp / loosen; when the first threaded rod is rotated, the two sets of clamping plates can be driven to move inwards / outwards at the same time. According to the utility model, PCBs with different sizes can be clamped for hoisting operation, and collision damage caused by shaking in the hoisting process is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of PCB board production, especially a kind of PCB board clamping frame. BACKGROUND

[0002] PCB is printed circuit board, and it is called printed board, and it is one of important components in electronic industry. Almost every kind of electronic equipment, small to electronic watch, calculator, large to computer, communication electronic equipment, military weapon system, as long as integrated circuit and other electronic components, in order to make the electrical interconnection between each component, printed board is used. Printed circuit board is composed of insulating base plate, connecting wire and pad for assembling and welding electronic components, has the dual role of conducting wire and insulating base plate. It can replace complex wiring, realize the electrical connection between each component in circuit, not only simplify the assembly, welding work of electronic product, reduce the wiring workload under traditional mode, greatly reduce the labor intensity of worker;And the volume of whole machine is reduced, product cost is reduced, and the quality and reliability of electronic equipment are improved. Printed circuit board has good product consistency, it can adopt standardization design, and it is beneficial to realize mechanization and automation in production process. Meanwhile, whole piece of assembled and debugged printed circuit board can be used as an independent spare part, which is convenient for interchange and maintenance of whole machine product.

[0003] At present, PCB board needs multiple production steps when producing, especially when chemical treatment is carried out, the whole PCB board needs to be immersed in chemical medicine, and then taken out, at this time, hoisting equipment is needed to hoist and transport multiple PCB boards, but PCB is engraved with circuit in the middle, so that only the edge of PCB board can be clamped, so when hoisting, it will shake or be unstable, and there is the risk of collision and falling. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, one technical scheme of the utility model is as follows:

[0005] A kind of PCB board clamping frame, including rack body and the upper clamping component and lower clamping component of setting on the rack body;

[0006] The rack body includes base and support frame slidably connected with the base, and further includes first adjusting part for driving the support frame to move upward / downward;

[0007] The upper clamping component includes slide rail fixed on the support frame and several clamping claws sliding on the slide rail;

[0008] The clamping claw includes first clamping arm and second clamping arm hinged with the first clamping arm, the second clamping arm is also hinged with third clamping arm, and the third clamping arm is also hinged with first clamping arm through connecting rod, and the connecting rod is connected with first clamping arm through elastic element;

[0009] The clamping jaw is further provided with a sliding shaft for sliding on the sliding rail;

[0010] The lower clamping assembly comprises at least two sets of clamping plates and a second adjusting part for driving the clamping plates to clamp or loosen;

[0011] The second adjusting part is a first threaded rod rotating in the base, and the two sets of clamping plates are provided with mutually opposite threaded grooves which are mutually engaged with the first threaded rod, so that the two sets of clamping plates can be simultaneously driven to move inwardly or outwardly when the first threaded rod is rotated.

[0012] Further, the first adjusting part is a second threaded rod rotating in the support frame, and the base is provided with an inner thread engaged with the second threaded rod, so that the support frame can be driven to move upwardly or downwardly when the second threaded rod is rotated.

[0013] Further, the elastic element is a spring.

[0014] Further, the first adjusting part and the second adjusting part are further provided with handles.

[0015] The utility model discloses the beneficial effect:

[0016] The utility model discloses the rack body is provided with the first adjusting part that drives the support frame to move upwardly or downwardly, and the different height can be adjusted through the first adjusting part, and the PCB board of different size is clamped and held, then uses the clamping jaw to hold and carries out hoisting operation, and the second clamping part can clamp the lower end edge of PCB board, carries out double -end fixed, can thoroughly avoid the shaking in hoisting process, causes the collision breakage, improves the security of production, improves the yield. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0018] Fig. 2 It is the rack body structure schematic diagram of the utility model;

[0019] Fig. 3 It is the clamping jaw structure schematic diagram of the utility model;

[0020] Fig. 4 It is the lower clamping assembly schematic diagram of the utility model;

[0021] The marks of each part in the drawings are as follows:

[0022] 1. Frame body; 11. Base; 12. Support frame; 13. First adjustment part; 131. Second threaded rod; 2. Upper clamping assembly; 21. Slide rail; 22. Gripper; 221. First clamping arm; 222. Second clamping arm; 223. Third clamping arm; 224. Connecting rod; 225. Elastic element; 226. Sliding shaft; 3. Lower clamping assembly; 31. Clamping plate; 311. Threaded groove; 32. Second adjustment part; 321. First threaded rod; 322. Handle. Detailed Implementation

[0023] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0024] Example:

[0025] like Figs. 1 to 4 As shown, a PCB board clamping frame includes a frame body 1 and an upper clamping assembly 2 and a lower clamping assembly 3 disposed on the frame body 1.

[0026] The frame body 1 includes a base 11 and a support frame 12 slidably connected to the base 11, and also includes a first adjustment part 13 that drives the support frame 12 to move up / down.

[0027] The upper clamping assembly 2 includes a slide rail 21 fixed on the support frame 12 and a plurality of grippers 22 sliding on the slide rail 21; specifically, the first adjusting part 13 is a second threaded rod 131 that rotates within the support frame 12, and the base 11 is provided with an internal thread that meshes with the second threaded rod 131. When the second threaded rod 131 is rotated, the support frame 12 can be driven to move up / down.

[0028] The gripper 22 includes a first gripping arm 221 and a second gripping arm 222 hinged to the first gripping arm 221. The second gripping arm 222 is also hinged to a third gripping arm 223. The third gripping arm 223 is also hinged to the first gripping arm 221 via a connecting rod 224. The connecting rod 224 is connected to the first gripping arm 221 via an elastic element 225; specifically, the elastic element 225 is a spring. Specifically, the gripper 22 also includes a sliding shaft 226, which is used to slide on the slide rail 21.

[0029] The lower clamping assembly 3 comprises at least two sets of clamping plates 31 and a second adjusting part 32 for driving the clamping plates 31 to clamp or release; specifically, the first adjusting part 13 and the second adjusting part 32 are further provided with handles 322. Specifically, the second adjusting part 32 is a first threaded rod 321, the threaded rod 321 rotates in the base 11, and two sets of the clamping plates 31 are provided with mutually opposite threaded grooves 311, the threaded grooves 311 are mutually engaged with the first threaded rod 321, and when the first threaded rod 321 is rotated, two sets of the clamping plates 31 can be simultaneously driven to move inwardly / outwardly.

[0030] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation, direct or indirect application in other related technical fields by using the content of the present application specification and drawings are also included in the patent protection range of the present application.

Claims

1. A PCB board holder characterized by: The machine frame body (1) and the upper clamping assembly (2) and the lower clamping assembly (3) arranged on the machine frame body (1); The machine frame body (1) comprises a base (11) and a support frame (12) in sliding connection with the base (11), and further comprises a first adjusting part (13) for driving the support frame (12) to move upward / downward; The upper clamping assembly (2) comprises a slide rail (21) fixed on the support frame (12) and a plurality of clamping jaws (22) sliding on the slide rail (21); The clamping jaw (22) comprises a first clamping arm (221) and a second clamping arm (222) hinged with the first clamping arm (221), the second clamping arm (222) is further hinged with a third clamping arm (223), the third clamping arm (223) is further hinged with the first clamping arm (221) through a connecting rod (224), and the connecting rod (224) is connected with the first clamping arm (221) through an elastic element (225); The clamping jaw (22) is further provided with a sliding shaft (226) for sliding on the slide rail (21); The lower clamping assembly (3) comprises at least two groups of clamping plates (31) and a second adjusting part (32) for driving the clamping plates (31) to clamp / release; The second adjusting part (32) is a first threaded rod (321) rotating in the base (11), and two groups of the clamping plates (31) are provided with mutually opposite threaded grooves (311) which are in meshing connection with the first threaded rod (321), so that when the first threaded rod (321) is rotated, the two groups of clamping plates (31) can be simultaneously driven to move inward / outward.

2. The PCB holder of claim 1, wherein: The first adjusting part (13) is a second threaded rod (131) rotating in the support frame (12), and the base (11) is provided with an internal thread in meshing connection with the second threaded rod (131), so that when the second threaded rod (131) is rotated, the support frame (12) can be driven to move upward / downward.

3. The PCB holder of claim 1, wherein: The elastic element (225) is a spring.

4. The PCB holder of claim 1, wherein: The first adjusting part (13) and the second adjusting part (32) are further provided with a handle (322). The machine frame body (1) and the upper clamping assembly (2) and the lower clamping assembly (3) arranged on the machine frame body (1);

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