Hardness detection device for printed circuit board processing

Abstract

The utility model discloses a hardness detection device for printed circuit board processing, which comprises a base, a limit seat, a connecting disc and a hardness detection head, the middle position of the top end of the base is fixedly connected with a fixing frame, the middle position of the top end of the fixing frame is provided with a hydraulic device, and the bottom end of the hydraulic device is fixedly connected with a connecting seat. The top end of one side of the connecting base is slidably connected with a second pull rod. According to the utility model, the connecting disc is arranged at the bottom end of the connecting seat, so that when the connecting seat pushes the connecting disc to move downwards, the connecting disc can drive the hardness detection head to carry out hardness detection work on the printed circuit board at the bottom end; the second pull rod can drive the insertion rod to be pulled out of the insertion groove in the connecting disc through the second movable block, and the hardness detection heads of different specifications can be rapidly adjusted by rotating the connecting disc, so that the hardness detection flexibility of the printed circuit board is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of printed circuit board processing, in particular to a hardness detection device for printed circuit board processing. Background Art

[0002] The hardness tester for printed circuit board processing is a device specially used to test the hardness of printed circuit boards. The device accurately measures the deformation degree of the circuit board under a certain pressure to evaluate its hardness characteristics. In the production and processing of printed circuit boards, accurate hardness testing is of great significance for ensuring product quality, controlling production processes and preventing potential defects.

[0003] A hardness detection device for printed circuit board processing disclosed in the Chinese utility model patent application disclosure CN220040114U, through the mutual cooperation between the movable component, the driving component and the moving component, the processing table, the movable motor, the movable screw and the movable slider can be coordinated by using the movable component, so that the movable motor drives the movable screw to rotate, so that the movable slider moves along the direction of the movable screw, and then the movable slider drives the fixed hollow cross plate to clamp and position the circuit board to the left and right. However, the use of the hardness detection device has certain limitations. The sizes and shapes of printed circuit boards are different. Circuit boards of different sizes may require different sizes of force areas for hardness testing, and the specifications of the detection heads are the same, which may affect the subsequent detection effect of the printed circuit boards. Utility Model Content

[0004] The purpose of the utility model is to provide a hardness detection device for printed circuit board processing to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hardness detection device for printed circuit board processing, comprising a base, a limit seat, a connecting plate and a hardness detection head, a fixing frame is fixedly connected to the middle position of the top end of the base, a hydraulic device is installed at the middle position of the top end of the fixing frame, the bottom end of the hydraulic device is fixedly connected to the connecting seat, a second pull rod is slidably connected to the top of one side of the connecting seat, a second movable block is fixedly connected to one side of the second pull rod, a spring is fixedly connected to one side of the second movable block, an insertion rod is fixedly connected to the middle position of one side of the second movable block, a connecting plate is rotatably connected to the middle position inside the connecting seat, slots are evenly arranged on one side of the connecting plate, the insertion rod is movably connected inside the slot, installation grooves are evenly arranged on the outside of the connecting plate, a bolt is installed at the middle position inside the installation groove, and a hardness detection head is installed inside the installation groove.

[0006] Preferably, positioning holes are evenly and equidistantly arranged on both sides of the top of the base, and the position of the limiting seat at the top of the base can be fixed by inserting the positioning rod at the bottom of the limiting seat into the positioning holes at different positions on the base.

[0007] Preferably, two sides of the base are fixedly connected with sliding rods, and the outside of the sliding rods is slidably connected with sliding blocks.

[0008] Preferably, a connecting rod is fixedly connected to the top end of the sliding block, and a limiting seat is sleeved on the outside of the connecting rod.

[0009] Preferably, a first pull rod is slidably connected to the middle position inside the top of the limit seat, a first movable block is fixedly connected to the bottom end of the first pull rod, a positioning rod is fixedly connected to the middle position of the bottom end of the first movable block, and a positioning hole is movably connected to the outside of the positioning rod.

[0010] Preferably, a clamping plate is fixedly connected to the bottom end of one side of the limiting seat, and the clamping plate can play an auxiliary limiting role for the printed circuit board.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. This hardness testing device for printed circuit board processing has a connecting plate installed at the bottom end of the connecting seat. When the connecting seat pushes the connecting plate to move downward, the connecting plate can drive the hardness testing head to perform hardness testing on the bottom printed circuit board. When the second pull rod on the connecting seat is pulled, the second pull rod can drive the plug rod to be pulled out of the slot on the connecting plate through the second movable block. At this time, by rotating the connecting plate, hardness testing heads of different specifications can be quickly adjusted, thereby improving the flexibility of hardness testing of printed circuit boards. The hardness testing head is installed in the connecting plate by bolts. The modular design facilitates rapid replacement and maintenance of the hardness testing head, reducing the overall maintenance cost of the testing device.

[0013] 2. This hardness testing device for printed circuit board processing is provided with a positioning rod inside the bottom end of the limit seat. When the first pull rod at the top end of the limit seat is pulled, the first pull rod can drive the positioning rod to be pulled out of the positioning hole on the base through the first movable block. At this time, the limit seat can move freely at the top end of the base, so as to quickly complete the clamping and limiting work of the printed circuit board to be tested, and the limit seat sleeve is arranged on the outside of the connecting rod. By pulling the limit seat out from the top end of the connecting rod, the limit seats of different specifications can be quickly replaced, thereby improving the overall applicability of the hardness testing device for printed circuit board processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2This is a front view structural schematic diagram of the utility model;

[0016] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0017] Figure 4 This is a front view structural diagram of the limit seat of the utility model;

[0018] Figure 5 It is a schematic diagram of the overall structure of the connecting disk of the utility model.

[0019] In the figure: 1. base; 101. positioning hole; 2. sliding rod; 201. slider; 202. connecting rod; 3. limiting seat; 301. first pull rod; 302. first movable block; 303. positioning rod; 4. clamping plate; 5. fixing frame; 501. hydraulic device; 6. connecting seat; 601. second pull rod; 602. second movable block; 603. spring; 604. plug rod; 7. connecting plate; 701. slot; 8. mounting slot; 801. bolt; 9. hardness test head. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 The utility model provides an embodiment: a hardness detection device for printed circuit board processing, comprising a base 1, a limit seat 3, a connecting plate 7 and a hardness detection head 9, positioning holes 101 are evenly arranged at equal distances on both sides of the top of the base 1, and a positioning rod 303 movably connected to the bottom end of the limit seat 3 is inserted into the positioning hole 101 on the base 1, so that the position fixing of two sets of limit seats 3 at the top of the base 1 can be completed;

[0022] The two sides of the base 1 are fixedly connected with the slide rods 2, the outside of the slide rods 2 is slidably connected with the slider 201, the top of the slider 201 is fixedly connected with the connecting rod 202, the outside of the connecting rod 202 is sleeved with a limit seat 3, the slider 201 slides on the slide rod 2, and the limit seat 3 can be driven to move by the connecting rod 202, and the limit seat 3 is sleeved on the outside of the connecting rod 202, so that the limit seat 3 can be replaced according to the specifications of different circuit boards;

[0023] A first pull rod 301 is slidably connected to the middle position inside the top of the limiting seat 3, a first movable block 302 is fixedly connected to the bottom end of the first pull rod 301, a positioning rod 303 is fixedly connected to the middle position of the bottom end of the first movable block 302, and a positioning hole 101 is movably connected to the outside of the positioning rod 303. When the first pull rod 301 at the top of the limiting seat 3 is pulled, the positioning rod 303 can be driven to move through the first movable block 302;

[0024] A clamping plate 4 is fixedly connected to the bottom end of one side of the limit seat 3. By setting two sets of clamping plates 4 on one side of the limit seat 3, the auxiliary limit work of the printed circuit board can be completed;

[0025] A fixing frame 5 is fixedly connected to the middle position of the top of the base 1, a hydraulic device 501 is installed at the middle position of the top of the fixing frame 5, and a connecting seat 6 is fixedly connected to the bottom end of the hydraulic device 501. When the hydraulic device 501 is started, the connecting seat 6 can be pushed to move downward. At this time, the connecting seat 6 can push the hardness detection head 9 to move downward through the connecting plate 7, and the hardness detection head 9 can press the printed circuit board at the top of the base 1 to perform hardness detection work;

[0026] The top end of one side of the connecting seat 6 is slidably connected with a second pull rod 601, one side of the second pull rod 601 is fixedly connected with a second movable block 602, one side of the second movable block 602 is fixedly connected with a spring 603, and the middle position of one side of the second movable block 602 is fixedly connected with an insertion rod 604. When the second pull rod 601 on one side of the connecting seat 6 is pulled, the second pull rod 601 can squeeze the spring 603 on one side through the second movable block 602, and at this time, the second movable block 602 can drive the insertion rod 604 to move. When the second pull rod 601 is released, due to the reaction force of the squeezing of the spring 603, the insertion rod 604 can be pushed by the second movable block 602 to reset.

[0027] The middle position inside the connection seat 6 is rotatably connected with a connection disk 7, one side of the connection disk 7 is evenly and evenly provided with slots 701, and the inside of the slot 701 is movably connected with an insertion rod 604, and the position of the connection disk 7 after rotation can be fixed by inserting the insertion rod 604 in the connection seat 6 into the slot 701 on the connection disk 7;

[0028] The outside of the connecting plate 7 is evenly and evenly provided with installation grooves 8, a bolt 801 is installed in the middle position of the inside of the installation groove 8, and a hardness detection head 9 is installed inside the installation groove 8. The hardness detection head 9 is a conventional hardness detection detection head on the market, and has a built-in hardness sensor to achieve a comprehensive detection of the hardness of the printed circuit board. The hardness detection head 9 is installed inside the installation groove 8 by the bolt 801. By rotating the connecting plate 7, the hardness detection head 9 of different sizes can be adjusted to perform the press detection of the printed circuit board, thereby adjusting the detection work of different force-bearing areas of the printed circuit board.

[0029] When the embodiment of the present application is in use: pull the first pull rod 301 at the top of the limit seat 3, then the first pull rod 301 can drive the positioning rod 303 to be pulled out from the positioning hole 101 on the base 1 through the first movable block 302, and at this time the limit seat 3 can slide at the top of the base 1, and place the printed circuit board in the middle position of the top of the base 1, and at the same time, the two groups of limit seats 3 at the top of the base 1 can be close to the two sides of the printed circuit board, and the positioning rod 303 is inserted into the positioning holes 101 at different positions on the base 1, so that the limit seat 3 can complete the limiting work of the printed circuit board. At this time, the hydraulic device 501 at the top of the fixing frame 5 is started, and the hydraulic device 501 can push the connecting plate 7 and the hardness detection head 9 downward through the connecting seat 6. At this time, the hardness detection head 9 can quickly press the printed circuit board at the top of the base 1 to perform hardness detection.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A hardness testing device for printed circuit board processing, characterized in that , comprising a base (1), a limit seat (3), a connecting plate (7) and a hardness testing head (9), wherein a fixing frame (5) is fixedly connected to the middle position of the top of the base (1), a hydraulic device (501) is installed at the middle position of the top of the fixing frame (5), the bottom end of the hydraulic device (501) is fixedly connected to a connecting seat (6), the top end of one side of the connecting seat (6) is slidably connected to a second pull rod (601), one side of the second pull rod (601) is fixedly connected to a second movable block (602), and one side of the second movable block (602) is fixedly connected to a spring (603), a plug rod (604) is fixedly connected to the middle position of one side of the second movable block (602), a connecting plate (7) is rotatably connected to the middle position inside the connecting seat (6), slots (701) are evenly arranged on one side of the connecting plate (7), the inside of the slot (701) is movably connected to the plug rod (604), the outside of the connecting plate (7) is evenly arranged with installation grooves (8), a bolt (801) is installed at the middle position inside the installation groove (8), and a hardness detection head (9) is installed inside the installation groove (8).

2. A hardness testing device for printed circuit board processing according to claim 1, characterized in that: Positioning holes (101) are evenly arranged at equal distances on both sides of the top of the base (1).

3. A hardness testing device for printed circuit board processing according to claim 1, characterized in that: Sliding rods (2) are fixedly connected to the two sides of the interior of the base (1), and a sliding block (201) is slidably connected to the exterior of the sliding rod (2).

4. A hardness testing device for printed circuit board processing according to claim 3, characterized in that: The top end of the sliding block (201) is fixedly connected to a connecting rod (202), and the outer portion of the connecting rod (202) is sleeved with a limiting seat (3).

5. A hardness testing device for printed circuit board processing according to claim 4, characterized in that: A first pull rod (301) is slidably connected to the middle position inside the top of the limit seat (3); a first movable block (302) is fixedly connected to the bottom end of the first pull rod (301); a positioning rod (303) is fixedly connected to the middle position of the bottom end of the first movable block (302); and a positioning hole (101) is movably connected to the outside of the positioning rod (303).

6. A hardness testing device for printed circuit board processing according to claim 4, characterized in that: A clamping plate (4) is fixedly connected to the bottom end of one side of the limiting seat (3).

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