Sliding clamping structure of anti-bruising device of PCB electrical testing machine

Abstract

A sliding clamping structure of an anti-bruising device of a PCB electrical testing machine comprises a damping rod, a first clamping part is arranged on the side wall of the damping rod, a first clamping hole is formed in the first clamping part, the sliding clamping structure further comprises a locking structure connected with the first clamping part, the locking structure is further connected with a second clamping part, a second clamping hole is formed in the second clamping part, and the second clamping part is provided with a second clamping hole. When the locking structure is operated, the second clamping part can get close to or get away from the first clamping part, the second clamping part is driven by the locking structure to get close to the first clamping part, so that the first clamping hole and the second clamping hole are oppositely matched to clamp the guide rod, and therefore the end of the damping rod is opposite to the sliding block, and the damping rod is clamped by the sliding block. Therefore, when the device fails, the reciprocating sliding block on the electrical testing machine can be limited by the damping rod when falling off, the human body is prevented from being hurt, and the damping rod has buffering acting force to prevent the sliding block from being broken down.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of PCB test, especially relate to a kind of sliding clamping structure of PCB electric test machine anti-pressing device. BACKGROUND

[0002] Electricity test (E-TEST) is to find out the open circuit, short circuit and other defective products by testing the PCB conduction and insulation. Since the structure of electric test machine is generally that cylinder drives upper test mold to reciprocate, its operation is extremely dangerous. In the process of test mold loading and unloading and fault investigation, part of human body often needs to enter the dangerous area of reciprocation to operate. The safety protection device of electric test machine itself usually includes double-button start and photoelectric inductive brake, wherein the former is double-hand control safety device, and the latter is interlocking safety device, but they are only limited to protect the operator himself, and there are safety hazards such as device failure. UTILITY MODEL CONTENT

[0003] To solve the above problems, the technical scheme provides a kind of sliding clamping structure of PCB electric test machine anti-pressing device.

[0004] To achieve the above object, the technical scheme is as follows:

[0005] A kind of sliding clamping structure of PCB electric test machine anti-pressing device, including damping rod, the side wall of the damping rod is equipped with first clamping part, the first clamping part is equipped with first clamping hole, it also includes the locking structure connected with the first clamping part, the locking structure is also connected with second clamping part, the second clamping part is equipped with second clamping hole, when the locking structure operates, the second clamping part can be close to or far away from the first clamping part.

[0006] In some embodiments, the locking structure includes a screw rod rotatably arranged in the first clamping part, one end of the screw rod is threadedly connected with the second clamping part.

[0007] In some embodiments, the first clamping part is provided with a bottom plate, the bottom plate is provided with a limiting block, the second clamping part is provided with a step matched with the bottom plate, and the step is provided with a limiting groove matched with the limiting block.

[0008] In some embodiments, the inner side of the first clamping part is provided with a spring, the inner side of the second clamping part is provided with a mounting groove, and one end of the spring extends into the mounting groove and is connected with the second clamping part.

[0009] In some embodiments, one end of the screw rod is provided with a recess, and the recess is provided with a bearing connected with the first clamping part.

[0010] The application has the following advantages:

[0011] The application rotates the screw rod to drive the second clamping part to approach the first clamping part through threads at one end of the screw rod, so that the first clamping hole and the second clamping hole cooperate to clamp the guide rod, and thus different sizes of guide rods can be applied by adjustment, and the limiting block of the bottom plate cooperates with the limiting groove to enable the second clamping part to move horizontally only. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description.

[0013] Figure 1 is a disassembled structural schematic of the embodiment of the present application Figure 1 ;

[0014] Figure 2 is a disassembled structural schematic of the embodiment of the present application Figure 2 ;

[0015] Figure 3 is a structural schematic of the second clamping part of the embodiment of the present application;

[0016] Figure 4 is a structural schematic of the electrical test bench of the embodiment of the present application. DETAILED DESCRIPTION

[0017] In order to make the technical problems, technical solutions and beneficial effects solved by the present application more clearly understood, the following will further describe the present application in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0018] Please refer to Figures 1-4 , a sliding clamping structure of a PCB electrical test machine anti-pressing injury device, including a damping rod 1, the side wall of the damping rod 1 is provided with a first clamping part 2, the first clamping part 2 is provided with a first clamping hole, which is designed in a semicircular shape, further including a locking structure connected with the first clamping part 2, the locking structure is further connected with a second clamping part 3, the second clamping part 3 is provided with a second clamping hole, which is designed in a semicircular shape, when the locking structure is operated, the second clamping part 3 can approach or move away from the first clamping part 2.

[0019] The application drives the second clamping part to approach the first clamping part through the locking structure, so that the first clamping hole and the second clamping hole cooperate to clamp the guide rod 100, in this way, the end of the damping rod is opposite to the sliding block 200, so that when the device fails, the falling of the reciprocating sliding block on the electrical test machine 300 can be limited by the damping rod, avoiding causing harm to the human body, and secondly, the damping rod has a buffering force to prevent the sliding block from being broken.

[0020] In the embodiment, the locking structure comprises a screw 4 arranged in the first clamping part 2, one end of the screw 4 is threadedly matched with the second clamping part 3, rotating the one end of the screw, the thread drives the second clamping part to move relative to the first clamping part.

[0021] In the embodiment, the first clamping part 2 is provided with a bottom plate 5, the bottom plate 5 is provided with a limiting block 6, the second clamping part 3 is provided with a step matched with the bottom plate 5, the step is provided with a limiting groove 7 matched with the limiting block 6, the bottom plate is used for supporting the second clamping part, under the limiting cooperation of the limiting groove and the limiting block, the second clamping part can only move horizontally relative to the first clamping part.

[0022] In the embodiment, the inner side of the first clamping part 2 is provided with a spring 8, the inner side of the second clamping part 3 is provided with a mounting groove 9, one end of the spring 8 extends into the mounting groove 9 and is connected with the second clamping part 3, avoiding the second clamping part from completely separating from the first clamping part, when the second clamping part is clamped and guided, the spring is in a tension state, which can further improve the clamping capacity.

[0023] In the embodiment, one end of the screw 4 is provided with a concave cavity 10, the concave cavity 10 is provided with a bearing connected with the first clamping part 2.

[0024] The above only describes the preferred embodiment of the present application, and is not used to limit the scope of the present application, other principles and basic structure which are the same or similar to the present application are within the protection scope of the present application.

Claims

1. A sliding clamping structure of a PCB electrical testing machine anti- pinching device, characterized in that, The utility model provides a first clamping part (2) of fixed setting, first clamping hole is equipped with, still include with first clamping part (2) connection's locking structure, locking structure still is connected with second clamping part (3), second clamping part (3) is equipped with second clamping hole, when operating locking structure, second clamping part (3) can be close to or away from first clamping part (2) relatively, The first clamping part (2) is provided with a bottom plate (5), the bottom plate (5) is provided with a limiting block (6), the second clamping part (3) is provided with a step matched with the bottom plate (5), the step is provided with a limiting groove (7) matched with the limiting block (6); The inner side of the first clamping part (2) is provided with a spring (8), the inner side of the second clamping part (3) is provided with a mounting groove (9), one end of the spring (8) extends into the mounting groove (9) and is connected with the second clamping part (3).

2. The anti-pressing device of the PCB electric test machine according to claim 1, wherein: The locking structure includes a screw rod (4) rotatably arranged in the first clamping part (2), one end of the screw rod (4) is threadedly connected with the second clamping part (3).

3. The anti-pressing device of the PCB electric test machine according to claim 2, wherein: One end of the screw rod (4) is provided with a concave cavity (10), and the concave cavity (10) is provided with a bearing (11) connected with the first clamping part (2).

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