Circuit board dispensing jig

Abstract

The utility model discloses a circuit board dispensing jig which is located above a base, a fixing table is arranged on the circumferential outer wall of a lead screw in a sleeved mode, a limiting groove is formed in the top of the fixing table, and a transverse plate is arranged on the upper surface of the fixing table and located on one side of the limiting groove in a rotating mode. A limiting plate parallel to the transverse plate is fixedly installed on the other side of the limiting groove, two stop levers are arranged between the transverse plate and the limiting plate in a spaced mode, the opposite sides of the two stop levers are each provided with a pressing plate, one end of each stop lever is fixedly connected with the transverse plate, and the other end of each stop lever is provided with a locking lever. A locking groove allowing the locking rod to be installed in an embedded mode is formed in the upper surface of the limiting plate, an inserting plate can be embedded into the locking rod, and the locking groove enables the stop rod and the limiting plate to be fixedly connected. According to the circuit board dispensing jig, the position precision of the circuit board is improved, the situation that the circuit board needs to be disassembled and assembled again due to position deviation is avoided, and the convenience of personnel operation is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board glue dispensing, in particular to a circuit board glue dispensing fixture. Background Art

[0002] In the circuit board dispensing process, special glue needs to be applied on the surface of the circuit board, which can protect the circuit board from damage by scratches, vibrations, moisture, etc., improve its water resistance, shock resistance, corrosion resistance, etc., and increase the mechanical strength and connection stability of the circuit board. Circuit board dispensing can also prevent the components of the circuit board from falling off, thereby increasing the service life of the circuit board.

[0003] After searching, the patent publication number CN208373468U discloses a "glue dispensing fixture for circuit boards", including: a carrier plate, a cover plate and a base. At least one positioning portion for positioning the circuit board is formed on the carrier plate, and a plurality of vents are formed on the carrier plate, and the plurality of vents are spaced apart from the positioning portion. The cover plate is arranged on the carrier plate, and the base is arranged at the bottom of the carrier plate. An air suction groove is formed on the base, and each air vent is connected to the air suction groove. An air suction hole connected to the air suction groove is formed on the side wall or bottom wall of the air suction groove, and the air suction hole is suitable for connecting to a vacuum generator. The cover plate of the device is adsorbed on the carrier plate by vacuum adsorption, so as to realize reliable fixation between the cover plate and the carrier plate, and at the same time, it can fundamentally solve the potential failure risk of magnet-sensitive devices on the circuit board when using a fixture with a magnet, thereby improving product reliability.

[0004] In the prior art, it is generally necessary to first fix and install the circuit board so that glue can be dispensed on the circuit board. However, during the process of fixing the circuit board, it is difficult to ensure that the circuit board is accurately placed. The position of the circuit board is easily offset, causing deviations in the glue dispensing position. When the glue dispensing position deviates, the circuit board needs to be disassembled, the circuit board needs to be readjusted, and then the circuit board needs to be fixed, resulting in cumbersome operations and inconvenience for personnel to use. Summary of the invention

[0005] The utility model aims to provide a circuit board dispensing jig, which not only improves the position accuracy of the circuit board, but also avoids the situation where the circuit board needs to be disassembled and reinstalled due to position deviation, thereby improving the convenience of personnel operation.

[0006] To achieve the above object, the technical solution adopted by the utility model is: a circuit board dispensing fixture, comprising: a base, a wire rod is horizontally arranged on the top of the base, and a fixing platform is located above the base and sleeved on the circumferential outer wall of the wire rod;

[0007] A limit groove is provided on the top of the fixed platform, a horizontal plate is rotatably installed on the upper surface of the fixed platform and on one side of the limit groove, a limit plate parallel to the horizontal plate is fixedly installed on the other side of the limit groove, two baffles are spaced between the horizontal plate and the limit plate, and a pressure plate is respectively provided on the opposite sides of the two baffles, one end of the baffle is fixedly connected to the horizontal plate, and the other end is provided with a locking rod, and a locking groove for the locking rod to be embedded and installed is provided on the upper surface of the limit plate, and an insert plate can be embedded in the locking rod, and the locking groove fixes the baffle and the limit plate.

[0008] The further improved scheme in the above technical scheme is as follows:

[0009] 1. In the above scheme, a sliding rod is provided on both sides of the screw rod, and a set of sliding seats provided on the sliding rod is fixedly installed on both sides of the fixed platform.

[0010] 2. In the above scheme, a bearing seat is installed on the top of each of the bases, and the screw rod is arranged between the two bearing seats.

[0011] 3. In the above scheme, a slot is provided in the middle of the locking rod, and a groove connected to the slot is provided on the inner wall of the locking groove on both sides of the slot, and the plug plate can be embedded in the groove and the slot.

[0012] 4. In the above solution, two fixed blocks are installed on the top of the fixed platform, and the cross plate is rotatably installed between the two fixed blocks.

[0013] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0014] The utility model discloses a circuit board dispensing fixture, the top of which has a limit groove, two baffles are arranged at intervals between the cross plate and the limit plate, and a pressure plate is arranged on the opposite sides of the two baffles, one end of the baffle is fixedly connected to the cross plate, and the other end is provided with a locking rod, and a locking groove for the locking rod to be embedded and installed is provided on the upper surface of the limit plate, and an insert plate can be embedded in the locking rod, and the locking groove fixes the baffle rod and the limit plate, and the circuit board is placed inside the limit groove, and the pressure plate on the baffle rod is driven to be pressed onto the circuit board by rotating the cross plate, and the circuit board is located between the two baffles, and the locking rod of the baffle rod is locked with the locking groove by the insert plate, so as to realize the limit fixation of the circuit board, improve the position accuracy of the circuit board, and drive the circuit board on the fixed platform to move by driving the screw rod to rotate, so that glue can be dispensed at different positions on the circuit board, avoiding the situation that the circuit board needs to be disassembled and reinstalled due to position offset, and improving the convenience of personnel operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] AttachedFigure 1 This is a schematic diagram of the structure of the circuit board dispensing fixture of the utility model;

[0016] Attached Figure 2 For the utility model Figure 1 A magnified image of point A;

[0017] Attached Figure 3 The figure is a partial structural diagram of the circuit board dispensing fixture of the utility model.

[0018] In the above drawings: 1, base; 2, fixed platform; 3, fixed block; 4, slide; 5, cross plate; 6, second slide; 7, stop rod; 8, pressure plate; 9, rubber pad; 10, limit plate; 11, locking rod; 12, screw rod; 13, slide rod; 14, limit groove; 15, bearing seat; 16, motor; 17, locking groove; 18, plug plate; 19, slot; 20, groove. DETAILED DESCRIPTION

[0019] The present invention can be further understood through the specific embodiments given below, but they are not intended to limit the present invention.

[0020] Embodiment 1: A circuit board dispensing fixture, comprising: a base 1, a wire rod 12 is horizontally arranged on the top of the base 1, and a fixing platform 2 is located above the base 1 and sleeved on the circumferential outer wall of the wire rod 12;

[0021] A limiting groove 14 is provided on the top of the fixed platform 2, a horizontal plate 5 is rotatably installed on one side of the limiting groove 14 and located on the upper surface of the fixed platform 2, a limiting plate 10 parallel to the horizontal plate 5 is fixedly installed on the other side of the limiting groove 14, two blocking rods 7 are arranged between the horizontal plate 5 and the limiting plate 10, and a pressing plate 8 is respectively arranged on the opposite sides of the two blocking rods 7, one end of the blocking rod 7 is fixedly connected to the horizontal plate 5, and a locking rod 11 is arranged on the other end, and a locking groove 17 for the locking rod 11 to be embedded and installed is provided on the upper surface of the limiting plate 10, and an insert plate 18 can be embedded in the locking rod 11 and the locking groove 17 to fix the blocking rod 7 and the limiting plate 10;

[0022] Rotate the horizontal plate and place the circuit board on the fixed table, then continue to rotate the baffle and the horizontal plate to make the rubber pad on the lower surface of the pressure plate fit with the upper surface of the circuit board. At this time, the locking rod is embedded in the locking groove of the limiting plate, and the slot of the locking rod is connected with the groove in the locking groove. Insert the plug-in board into the slot and the groove accordingly, so that the locking rod is fixedly connected to the limiting plate, and then the circuit board can be locked and installed in the limiting groove of the fixed table. After locking, the circuit board is fixed, and the glue dispensing process can be carried out after fixation.

[0023] A slide bar 13 is disposed on both sides of the screw rod 12 , and a set of slide seats 4 disposed on the slide bar 13 are fixedly installed on both sides of the fixed platform 2 .

[0024] A bearing seat 15 is installed on the top of the base 1, and the screw rod 12 is arranged between the two bearing seats 15;

[0025] When glue dispensing is required at different positions of the circuit board, there is no need to take out the circuit board and readjust the position for fixing. The lead screw can be directly driven to rotate by the motor, and the second slide seat can move on the lead screw, thereby driving the fixed seat to move along the slide rod through the slide seat, thereby adjusting the glue dispensing position of the circuit board.

[0026] A slot 19 is provided in the middle of the locking rod 11 , and grooves 20 connected to the slot 19 are provided on the inner wall of the locking groove 17 on both sides of the slot 19 . The plug plate 18 can be inserted into the grooves 20 and the slot 19 .

[0027] Two fixing blocks 3 are installed on the top of the fixing platform 2 , and the horizontal plate 5 is rotatably installed between the two fixing blocks 3 .

[0028] A rubber pad 9 is provided at the bottom of the pressing plate 8 .

[0029] A second sliding seat 6 disposed on the outer wall of the screw rod 12 is fixedly connected to the bottom of the fixed platform 2 .

[0030] A motor 16 for driving the screw rod 12 to rotate is arranged on the outer wall of one of the bearing seats 15 .

[0031] Embodiment 2: A circuit board dispensing fixture, comprising: a base 1, a wire rod 12 is horizontally arranged on the top of the base 1, and a fixing platform 2 is located above the base 1 and sleeved on the circumferential outer wall of the wire rod 12;

[0032] A limiting groove 14 is provided on the top of the fixed platform 2, a horizontal plate 5 is rotatably installed on one side of the limiting groove 14 and located on the upper surface of the fixed platform 2, a limiting plate 10 parallel to the horizontal plate 5 is fixedly installed on the other side of the limiting groove 14, two blocking rods 7 are arranged between the horizontal plate 5 and the limiting plate 10, and a pressing plate 8 is respectively arranged on the opposite sides of the two blocking rods 7, one end of the blocking rod 7 is fixedly connected to the horizontal plate 5, and a locking rod 11 is arranged on the other end, and a locking groove 17 for the locking rod 11 to be embedded and installed is provided on the upper surface of the limiting plate 10, and an insert plate 18 can be embedded in the locking rod 11 and the locking groove 17 to fix the blocking rod 7 and the limiting plate 10;

[0033] The circuit board is placed inside the limit groove, and the pressure plate on the baffle rod is driven to press on the circuit board by rotating the cross plate. The circuit board is located between the two baffle rods, and the locking rod of the baffle rod is locked with the locking groove through the plug plate to achieve limit fixation of the circuit board, thereby improving the position accuracy of the circuit board, and the circuit board on the fixed table is driven to move by rotating the lead screw, so that glue can be dispensed at different positions on the circuit board, avoiding the situation where the circuit board needs to be disassembled and reinstalled due to position offset, thereby improving the convenience of personnel operation.

[0034] A slide bar 13 is disposed on both sides of the screw rod 12 , and a set of slide seats 4 disposed on the slide bar 13 are fixedly installed on both sides of the fixed platform 2 .

[0035] A bearing seat 15 is respectively installed on the top of the base 1 , and the screw rod 12 is arranged between the two bearing seats 15 .

[0036] A slot 19 is provided in the middle of the locking rod 11 , and grooves 20 connected to the slot 19 are provided on the inner wall of the locking groove 17 on both sides of the slot 19 . The plug plate 18 can be inserted into the grooves 20 and the slot 19 .

[0037] Two fixing blocks 3 are installed on the top of the fixing platform 2 , and the horizontal plate 5 is rotatably installed between the two fixing blocks 3 .

[0038] The two sliding rods 13 are symmetrically arranged with respect to the screw rod 12 .

[0039] Two slide seats 4 are provided on the same side.

[0040] The working principle is:

[0041] When in use, rotate the horizontal plate and place the circuit board on the fixed platform, then continue to rotate the baffle rod and the horizontal plate to make the rubber pad on the lower surface of the pressure plate fit with the upper surface of the circuit board, the two baffle rods are respectively located at the two ends of the circuit board, and the circuit board is limited and fixed by the baffle rod and the pressure plate, which greatly improves the position accuracy of the circuit board. At this time, the locking rod is embedded in the locking groove of the limiting plate, and the slot of the locking rod is connected with the groove in the locking groove. The plug-in board is correspondingly inserted into the slot and the groove, so that the locking rod is fixedly connected with the limiting plate, and then the circuit board can be locked and installed in the limiting groove of the fixed platform. After locking, the circuit board is fixed, and the dispensing process can be carried out after fixing;

[0042] When glue dispensing is required at different positions of the circuit board, there is no need to take out the circuit board and readjust the position for fixing. The lead screw can be directly driven to rotate by the motor, and the second slide seat can move on the lead screw, thereby driving the fixed seat to move along the slide rod through the slide seat, thereby adjusting the glue dispensing position of the circuit board.

[0043] When the above-mentioned circuit board dispensing fixture is used, the pressure plate on the baffle rod is driven to press on the circuit board by rotating the cross plate, and the circuit board is located between the two baffle rods, and the locking rod of the baffle rod is locked with the locking groove through the plug plate, so as to realize the limited fixation of the circuit board, improve the position accuracy of the circuit board, and drive the circuit board on the fixed table to move by driving the screw rod to rotate, so that glue can be dispensed at different positions on the circuit board, avoiding the situation where the circuit board needs to be disassembled and reinstalled due to position deviation, and improving the convenience of personnel operation.

[0044] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A circuit board dispensing fixture, comprising: A base (1), characterized in that: a screw rod (12) is horizontally arranged on the top of the base (1), located above the base (1) and a fixing platform (2) is sleeved on the circumferential outer wall of the screw rod (12); A limiting groove (14) is provided on the top of the fixed platform (2), a horizontal plate (5) is rotatably mounted on the upper surface of the fixed platform (2) and on one side of the limiting groove (14), a limiting plate (10) is fixedly mounted on the other side of the limiting groove (14) and parallel to the horizontal plate (5), two blocking rods (7) are arranged at intervals between the horizontal plate (5) and the limiting plate (10), and a pressing plate (8) is respectively arranged on the opposite sides of the two blocking rods (7), one end of the blocking rod (7) is fixedly connected to the horizontal plate (5), and the other end is provided with a locking rod (11), and a locking groove (17) for the locking rod (11) to be embedded and installed is provided on the upper surface of the limiting plate (10), and an insert plate (18) can be embedded in the locking rod (11) and the locking groove (17) to fix the blocking rod (7) and the limiting plate (10).

2. The circuit board dispensing fixture according to claim 1, characterized in that: A sliding rod (13) is provided on both sides of the screw rod (12), and a set of sliding seats (4) provided on the sliding rod (13) are fixedly mounted on both sides of the fixed platform (2).

3. The circuit board dispensing fixture according to claim 1, characterized in that: A bearing seat (15) is respectively installed on the top of the base (1), and the screw rod (12) is arranged between the two bearing seats (15).

4. The circuit board dispensing fixture according to claim 1, characterized in that: A slot (19) is provided in the middle of the locking rod (11), and grooves (20) are provided on both sides of the slot (19) and on the inner wall of the locking groove (17), and are connected to the slot (19). The plug plate (18) can be inserted into the grooves (20) and the slot (19).

5. The circuit board dispensing fixture according to claim 1, characterized in that: Two fixed blocks (3) are installed on the top of the fixed platform (2), and the transverse plate (5) is rotatably installed between the two fixed blocks (3).

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