Circuit board surface mounting jig

Abstract

The utility model discloses a circuit board mounting jig, which relates to the technical field of circuit board mounting and comprises a fixed frame, a moving mechanism is arranged at one end of the fixed frame, a bidirectional mounting assembly is arranged at one end of the moving mechanism, and the use position of a limiting seat can be adjusted through the arranged moving mechanism, a lead screw and a limiting nut. An L-shaped fixing plate is driven to move on a bottom guide rail, an upper patch pressing roller and a lower patch pressing roller move at the same time to conduct patch work on a circuit board in a fixing frame, a guide frame is arranged to install the lower patch pressing roller through a guide rod, installation and use are convenient, a positioning block is arranged to connect a fillet limiting plate with the positioning frame through a fastening bolt, and the positioning frame is convenient to install and use. The circular bead pressing blocks can move linearly along with the upper patch pressing roller, the circuit board patch uniformity is achieved through the circular bead pressing blocks, pressure uniformity in the circuit board patch process is guaranteed, and poor patch or circuit board damage caused by uneven pressure is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board patch technical field especially relates to a circuit board patch jig. BACKGROUND

[0002] At present, when circuit board patch processing, mostly adopt large -scale machine operation, but circuit board has different specifications, therefore in processing, need to change corresponding jig according to the required specification circuit board, so as to facilitate subsequent processing, however, in changing different jigs, the positioning of the equipment needs to be debugged, and excessive replacement of the installation part can cause the jig to be unstable, resulting in a decrease in the production qualification rate, and the processing efficiency of the machine equipment is also reduced.

[0003] In the patent with the publication number CN221043371U, a circuit board patch jig is proposed. In this patent, the jig includes a base, a clamping plate, a pressure rod, a pressure block, a drive member, a limiting rod, a transmission rod, a elastic member, a limiting block, a sliding block, and a bidirectional threaded rod. The worker places the circuit board on the base, turns the knob, and the knob drives the bidirectional threaded rod to rotate. The bidirectional threaded rod drives the two sliding blocks to move closer to each other, causing the two mounting rods to move closer to each other. The clamping plates mounted on the two mounting rods fix and clamp the circuit board in the middle. At the same time, the clamping plate pushes the sliding rod through the limiting rod, causing the sliding rod to drive the transmission rod connected to it to rotate. Since the end of the transmission rod away from the sliding rod is connected to the pressure rod, the transmission rod can drive the pressure rod to rotate, and then the pressure rod drives the pressure block to rotate, causing the pressure block and the clamping plate to fix the circuit board. This jig can adapt to circuit boards of different sizes and clamp the circuit board in one direction. However, the patent still has the following problems:

[0004] The above-mentioned circuit board patching can only apply gravity to one side of the circuit board for patching work, resulting in uneven force on the patching and the need to press the patching back and forth, which is not efficient.

[0005] To solve the above problems, a circuit board patching jig is needed to overcome the above problems. Utility model content

[0006] The main purpose of the utility model is to provide a circuit board patching jig that can effectively solve the problems in the background technology.

[0007] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0008] A circuit board patching jig includes a fixed frame, one end of the fixed frame is provided with a moving mechanism, one end of the moving mechanism is provided with a bidirectional patching mounting assembly.

[0009] The bidirectional patch mounting assembly comprises a limiting seat arranged at one end of the moving mechanism, an upper patch pressing roller is rotationally connected to the end of the limiting seat away from the moving mechanism, a trapezoidal fixing seat is arranged at the end of the upper patch pressing roller away from the limiting seat, an upper patch pressing roller is connected to one side of the trapezoidal fixing seat close to the fixed frame through fastening bolts, positioning blocks are fixedly arranged at both ends of the top of the trapezoidal fixing seat, a connecting rod is rotationally connected to one end of the positioning blocks, a positioning frame is connected to the end of the connecting rod away from the positioning blocks through fastening bolts, a round corner limiting plate is connected to the positioning frame through fastening bolts, and a positioning rod is connected to one side of the positioning frame penetrating through the round corner limiting plate.

[0010] As a preferred scheme of the present application, one side of the trapezoidal fixing seat away from the fixed frame is threadedly fixedly connected with an L-shaped fixing plate, one side of the L-shaped fixing plate close to the trapezoidal fixing seat is connected with an L-shaped fixing plate through fastening bolts, a guide rod is threadedly fixedly connected to the inner wall of the L-shaped fixing plate, and a lower patch pressing roller is connected to the end of the guide rod away from the guide frame.

[0011] As a preferred scheme of the present application, the moving mechanism comprises a straight line moving guide rail arranged at one end of the fixed frame, a driving motor is arranged at one end of the straight line moving guide rail, a shaft coupling is connected to the output end of the driving motor, a lead screw is connected to the output end of the shaft coupling, and a limiting nut is connected to the outer wall of the lead screw through fastening bolts.

[0012] As a preferred scheme of the present application, the limiting seat is connected with the limiting nut through fastening bolts, the limiting seat is rotationally connected with the upper patch pressing roller through the connecting rod, and the trapezoidal fixing seat and the limiting seat are connected with the positioning blocks through fastening bolts.

[0013] As a preferred scheme of the present application, the connecting rod is connected with the round corner limiting plate and the positioning frame through fastening bolts, the positioning frame is rotationally connected with the positioning rod, and a plurality of round corner pressing blocks are sleeved on the outer wall of the positioning rod.

[0014] As a preferred scheme of the present application, one side of the trapezoidal fixing seat away from the L-shaped fixing plate is connected with the fixed frame through a sliding block, the bottom of the L-shaped fixing plate is connected with a guide rail through a sliding block, and the bottom of the L-shaped fixing plate is in contact with the inner wall of the guide rail through the sliding block.

[0015] As a preferred scheme of the present application, the driving motor is drivingly connected with the lead screw through the shaft coupling, and the lead screw is threadedly fixedly connected with the limiting nut. Beneficial effects

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] The circuit board patch jig, through the use position of the limiting seat being adjusted by the lead screw and the limiting nut of the moving mechanism, drives the L-shaped fixed plate to move on the bottom guide rail, realizes the work of the upper patch compression roller and the lower patch compression roller moving simultaneously on the circuit board patch in the fixed frame, the lower patch compression roller is installed by the guide frame using the guide rod, convenient to install and use, the positioning block connects the round corner limiting plate and the positioning frame by the fastening bolt, realizes the linear movement of the round corner pressing block following the upper patch compression roller, and multiple round corner pressing blocks realize the uniformity of the circuit board patch. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic diagram of the utility model;

[0019] Figure 2 It is the overall split structure schematic diagram of the utility model;

[0020] Figure 3 It is the A structure schematic diagram of the utility model;

[0021] Figure 4 It is the two-way patch installation assembly structure schematic diagram of the utility model.

[0022] In the drawing: 1, fixed frame;2, moving mechanism;3, two-way patch installation assembly;4, guide rail;201, linear motion guide rail;202, driving motor;203, shaft coupling;204, lead screw;205, limiting nut;301, trapezoidal fixed seat;302, upper patch compression roller;303, limiting seat;304, L-shaped fixed plate;305, guide frame;306, guide rod;307, lower patch compression roller;308, positioning block;309, connecting rod;310, round corner limiting plate;311, positioning frame;312, positioning rod;313, round corner pressing block. DETAILED DESCRIPTION

[0023] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0024] As Figures 1-4 Indicated, a kind of circuit board patch jig, including fixed frame 1, the one end of fixed frame 1 is provided with moving mechanism 2, and the one end of moving mechanism 2 is provided with two-way patch installation assembly 3;

[0025] The bidirectional patch mounting assembly 3 comprises a limiting seat 303 arranged at one end of the moving mechanism 2, the limiting seat 303 is rotatably connected with an upper patch pressing roller 302 at the end away from the moving mechanism 2, the upper patch pressing roller 302 is installed with a trapezoidal fixed seat 301 at the end away from the limiting seat 303, the trapezoidal fixed seat 301 is connected with the upper patch pressing roller 302 at the side close to the fixed frame 1 through fastening bolts, the trapezoidal fixed seat 301 is fixedly installed with positioning blocks 308 at both ends of the top, the positioning blocks 308 are rotatably connected with connecting rods 309 at one end, the connecting rods 309 are connected with positioning frames 311 at the end away from the positioning blocks 308 through fastening bolts, the positioning frames 311 are connected with round corner limiting plates 310 through fastening bolts, the positioning frames 311 are connected with positioning rods 312 at the side penetrating the round corner limiting plates 310, and a plurality of round corner pressing blocks 313 are arranged on the outer wall of the positioning rods 312; the trapezoidal fixed seat 301 is threadedly fixedly connected with an L-shaped fixed plate 304 at the side away from the fixed frame 1, the L-shaped fixed plate 304 is connected with the L-shaped fixed plate 304 at the side close to the trapezoidal fixed seat 301 through fastening bolts, and the L-shaped fixed plate 304 is threadedly fixedly connected with guide rods 306 on the inner wall, the guide rods 306 are connected with lower patch pressing rollers 307 at the end away from the guide frames 305;

[0026] The limiting seat 303 is connected with the limiting nut 205 through fastening bolts, the limiting seat 303 is rotatably connected with the upper patch pressing roller 302 through the connecting rod, the trapezoidal fixed seat 301 and the limiting seat 303 are connected with the positioning blocks 308 through fastening bolts; the connecting rods 309 are connected with the round corner limiting plates 310 and the positioning frames 311 through fastening bolts, the positioning frames 311 are rotatably connected with the positioning rods 312, and the plurality of round corner pressing blocks 313 are sleeved on the outer wall of the positioning rods 312; the trapezoidal fixed seat 301 is slidably connected with the L-shaped fixed plate 304 through the sliding block at the side of the fixed frame 1, and the L-shaped fixed plate 304 is detachable, the bottom of the L-shaped fixed plate 304 is connected with the guide rail 4 through the sliding block, and the bottom of the L-shaped fixed plate 304 is in contact with the inner wall of the guide rail 4 through the sliding block;

[0027] The movement of the limiting seat 303 is transmitted to the upper patch pressing roller 302 and the trapezoidal fixed seat 301 through the connecting rod 309, so that the upper patch pressing roller 302 moves to a predetermined position above the circuit board. When the upper patch pressing roller 302 is in place, the lower patch pressing roller 307 moves to a position below the circuit board through the guide frame 305 and the guide rod 306, and the upper patch pressing roller 302 and the lower patch pressing roller 307 are aligned with the patch position on the circuit board. The driving motor 202 continues to work, and the moving mechanism 2 applies force to move the upper patch pressing roller 302 and the lower patch pressing roller 307 downward at the same time, so that the surface mount device SMD is mounted on the circuit board. The rounded pressing block 313 is uniformly distributed on the edge of the circuit board through the positioning rod 312 with the movement of the upper patch pressing roller 302, so as to ensure that the edge of the circuit board is not damaged during the patching process, and the patching pressure is uniform. After the patching operation is completed, the driving motor 202 stops, and the moving mechanism 2 is reset. The circuit board on which the patching is completed is taken out of the fixed frame 1, and the next welding or other processing process is carried out.

[0028] The moving mechanism 2 comprises a straight line moving guide rail 201 arranged at one end of the fixed frame 1. One end of the straight line moving guide rail 201 is provided with a driving motor 202. The output end of the driving motor 202 is connected with a shaft coupling 203. The output end of the shaft coupling 203 is connected with a lead screw 204. The outer wall of the lead screw 204 is connected with a limiting nut 205 through a fastening bolt. The driving motor 202 is in transmission connection with the lead screw 204 through the shaft coupling 203. The lead screw 204 is in screw fixed connection with the limiting nut 205.

[0029] The driving motor 202 rotates the lead screw 204 through the shaft coupling 203. The limiting nut 205 moves along the lead screw, so as to drive the limiting seat 303 to move on the straight line moving guide rail 201.

[0030] It needs to be explained that the utility model discloses a circuit board patch jig, when using, drive motor 202 starts, through the cooperation of shaft coupling 203 and screw rod 204, drive limit nut 205 along the screw rod and move, thereby drive limit seat 303 moves on linear movement guide rail 201, the movement of limit seat 303 drives upper patch compression roller 302 and trapezoidal fixed seat 301 together through connecting rod 309, realize the positioning of upper patch compression roller 302, L type fixed plate 304 is connected with guide rail 4 through sliding block, can slide in fixed frame 1, ensure that upper patch compression roller 302 and lower patch compression roller 307 move synchronously, guide frame 305 and guide rod 306 are used to install lower patch compression roller 307, ensure its stable operation, positioning block 308 connects round angle limit plate 310 and positioning frame 311 through fastening bolt, round angle pressure block 313 is sleeved on the outer wall of positioning rod 312, and uniform pressure is applied to the circuit board along with the movement of upper patch compression roller 302, and a plurality of round angle pressure blocks 313 are evenly distributed, ensure that the pressure is uniform during the circuit board patching process, avoid the patching defect or circuit board damage caused by uneven pressure, start drive motor 202, adjust the position of limit seat 303 through moving mechanism 2, thereby drive upper patch compression roller 302 and lower patch compression roller 307 to move to the appropriate position, upper patch compression roller 302 and lower patch compression roller 307 act on the circuit board simultaneously, and uniform pressure is applied through round angle pressure block 313, and the patching operation is completed, after the patching is completed, drive motor 202 stops, and the jig resets, and the circuit board after patching is taken out.

[0031] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A circuit board patching jig comprising a fixing frame (1), characterized in that: One end of the fixed frame (1) is provided with a moving mechanism (2), one end of the moving mechanism (2) is provided with a bidirectional patch mounting assembly (3); The bidirectional patch mounting assembly (3) includes a limiting seat (303) provided at one end of the moving mechanism (2), the limiting seat (303) is rotatably connected with an upper patch compression roller (302) at one end away from the moving mechanism (2), the upper patch compression roller (302) is provided with a trapezoidal fixed seat (301) at one end away from the limiting seat (303), one side of the trapezoidal fixed seat (301) close to the fixed frame (1) is connected with the upper patch compression roller (302) through a fastening bolt, both ends of the top of the trapezoidal fixed seat (301) are fixedly provided with a positioning block (308), one end of the positioning block (308) is rotatably connected with a connecting rod (309), one end of the connecting rod (309) away from the positioning block (308) is connected with a positioning frame (311) through a fastening bolt, the positioning frame (311) is connected with a round corner limiting plate (310) through a fastening bolt, one side of the positioning frame (311) penetrating through the round corner limiting plate (310) is connected with a positioning rod (312), and the outer wall of the positioning rod (312) is provided with a plurality of round corner pressing blocks (313).

2. The circuit board taping fixture of claim 1, wherein: One side of the trapezoidal fixed seat (301) away from the fixed frame (1) is threadedly connected with an L-shaped fixed plate (304), one side of the L-shaped fixed plate (304) close to the trapezoidal fixed seat (301) is connected with the L-shaped fixed plate (304) through a fastening bolt, and the inner wall of the L-shaped fixed plate (304) is threadedly connected with a guide rod (306). One end of the guide rod (306) away from the guide frame (305) is connected with a lower patch compression roller (307).

3. The circuit board paster jig according to claim 2, wherein: The moving mechanism (2) includes a linear motion guide rail (201) provided at one end of the fixed frame (1), one end of the linear motion guide rail (201) is provided with a driving motor (202), the output end of the driving motor (202) is connected with a shaft coupling (203), the output end of the shaft coupling (203) is connected with a lead screw (204), and the outer wall of the lead screw (204) is connected with a limiting nut (205) through a fastening bolt.

4. The circuit board taping fixture of claim 3, wherein: The limiting seat (303) is connected with the limiting nut (205) through a fastening bolt, the limiting seat (303) is rotatably connected with the upper patch compression roller (302) through a connecting rod, and the trapezoidal fixed seat (301) and the limiting seat (303) are connected with the positioning block (308) through fastening bolts.

5. The circuit board paster jig according to claim 4, wherein: The connecting rod (309) is connected with the round corner limiting plate (310) and the positioning frame (311) through fastening bolts, the positioning frame (311) is rotatably connected with the positioning rod (312), and a plurality of round corner pressing blocks (313) are sleeved on the outer wall of the positioning rod (312).

6. The circuit board taping fixture of claim 5, wherein: The trapezoidal fixing base (301) slides away from one side of the L-shaped fixing plate (304) through a sliding block in a sliding groove opened on one side of the fixing frame (1), and is detachable, and the bottom of the L-shaped fixing plate (304) is connected with a guide rail (4) through a sliding block, and the bottom of the L-shaped fixing plate (304) is in contact with the inner wall of the guide rail (4) through a sliding block.

7. The circuit board taping fixture of claim 6, wherein: The driving motor (202) is in transmission connection with the lead screw (204) through a shaft coupling (203), and the lead screw (204) is in screw fixed connection with the limiting nut (205).

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