CN211210070U - A fixing device for PCB patch fixture - Google Patents

Abstract

The utility model discloses a fixing device for a PCB surface mounting jig, which comprises a base and a fixing device, it is characterized in that sliding grooves are symmetrically arranged at two sides of the base, guide rods are arranged in the sliding grooves, and the guide rod is provided with a fixing device which consists of a sliding seat, a supporting column and a supporting frame, one side of the sliding groove is provided with a groove cover, a placing groove is arranged between the two sliding grooves, a magnet groove is arranged on the back of the base, concave holes are uniformly distributed on the magnet groove, supporting parts are arranged on the left side and the right side of the base, the fixing device of the PCB chip mounting jig has simple structure and convenient use, brings great convenience to the use of workers, and according to the user demand, realize fixing the PCB paster tool firmly through adjustment fixing device and magnetic path position, reduced staff's work load, promoted PCB paster tool's fixed efficiency to a certain extent.

Description

A fixing device for PCB patch fixture

technical field

The utility model The utility model relates to the technical field of fixture fixing equipment, in particular to a fixture for a PCB patch fixture.

Background technique

Nowadays, with the diversified development of electronic products and the continuous improvement of SMT technology, the pursuit of high precision and high efficiency of SMT has become an inevitable trend. At present, in SMT production, the PCB board is first fixed on the fixture, and the fixture is driven by the guide rails in turn. After each station of the SMT line body, if the PCB board is not positioned correctly, it will cause problems such as solder paste printing offset and SMD component offset, which will affect the production quality of the PCB board. The positioning accuracy plays a key role in the high-precision patch. The clamping device of the traditional PCB patch fixture has a complex structure and is inconvenient to use, which brings great trouble to the use of the staff, and cannot be used according to the use. It is necessary to firmly fix the PCB patch fixture, which indirectly increases the workload of the staff, and the fixing efficiency is low. Therefore, it is imperative to realize a fixing device for the PCB patch fixture that can solve such problems.

Utility model content

The technical problem to be solved by the utility model is to overcome the existing defects and provide a fixing device for a PCB patch fixture, which has a simple structure and is convenient to use, which brings great convenience to the use of the staff, and can be used according to the needs of use. , by adjusting the position of the sliding seat and the fixing device to realize the stable fixation of the PCB patch fixture, which reduces the workload of the staff and improves the fixing efficiency of the PCB patch fixture to a certain extent, which can effectively solve the problem of the background technology. The problem.

In order to achieve the above purpose, the utility model provides the following technical solutions: a fixing device for a PCB patch jig, comprising a base and a fixing device, characterized in that, two sides of the base are symmetrically provided with sliding grooves, and the A guide rod is arranged in the sliding groove, and a fixing device is arranged on the guide rod. The fixing device is composed of a sliding seat, a supporting column and a supporting frame. One side of the sliding groove is provided with a groove cover, between the two sliding grooves. A placement slot is provided, a magnet groove is arranged on the back of the base, the magnet grooves are evenly distributed with concave holes, and the left and right sides of the base are provided with lifting parts.

Preferably, the fixing device is provided with a sliding seat, a supporting column and a supporting frame from bottom to top, a through hole is formed in the middle of the sliding seat, and the inner wall of the through hole forms a sliding connection with the guide rod, and the sliding seat can follow the guide rod. The rod moves to adjust the position, and the outer side of the sliding seat and the sliding groove is provided with a locking slider. By pressing the locking slider, the sliding seat can be fixed on the sliding groove to prevent the sliding seat from sliding during use. A bump is arranged above the sliding seat, and an anti-skid rubber ring is arranged on the bump, and a first groove is arranged at the bottom of the support column. It is easy to disassemble when changing the support column.

Preferably, a support frame is arranged above the support column, the support frame is composed of a support part, a support arm and a locking button, the support part is provided with a support arm, and the support part and the support arm are fixed by the locking button , when the locking button is pulled up, the support part can be rotated around the locking button to adjust the angle, and when it is rotated to a suitable angle, the support part can be fixed by pressing the locking button.

Preferably, a support frame is arranged above the support column, and the support frame is composed of a support part, a support arm, and an adjusting screw. The support part is provided with a support arm, and the middle part of the support arm is hollowed out. It is fixed by adjusting screws. When the length and angle of the support arm need to be adjusted, loosen the adjusting screws, and when adjusting to the appropriate angle and length, tighten the adjusting screws.

Preferably, one end of the support arm away from the support frame is provided with a fixing screw, the bottom of the fixing screw is provided with a fixing nut, and the bottom of the fixing nut is provided with a non-slip washer, and the fixing nut can be of various shapes , You can replace the appropriate nut according to different situations to improve the stability of the fixing device.

Preferably, the groove cover is provided with a guide rod fixing groove, the inner wall diameter of the guide rod fixing groove is equal to the diameter of the guide rod, and the position of the guide rod fixing groove and the guide rod are matched with each other. The fixing device is placed in the sliding groove, and multiple fixing devices can be placed according to actual needs, which improves the adaptability of the fixing device of the PCB patch fixture.

Preferably, the magnet groove is located below the placement slot, and the size of the magnet groove is not smaller than the size of the placement slot, which facilitates the magnet sheet to absorb the iron products of the PCB patch to achieve stable fixation of the PCB patch fixture.

Preferably, a magnetic block is provided below the concave hole, and a magnet bump that matches the size of the concave hole is provided on the top of the magnetic block. Stable fixation of PCB patch fixture.

Preferably, after the concave hole and the magnetic block are spliced, the height of the bottom surface of the magnetic block 8 is slightly lower than the bottom surface of the base, so as to prevent the bottom surface of the magnetic block from protruding, making the bottom surface of the bottom uneven and reducing the deviation during the patching process.

Due to the application of the above technical solutions, the technical effects and advantages of the present invention are as follows: a fixing device for a PCB patch jig has a simple structure and is easy to use, which brings great convenience to the use of the staff, and according to the Use requirements, adjust the position of the fixing device and the PCB patch jig by sliding the fixing device, and adjust the length and angle of the support arm through the support frame to control the position of the fixing nut to fix the PCB patch jig, and fix it by rotating the fixing screw. The nut is pressed against the fixture, and the magnetic block can be adjusted to absorb the iron products of the PCB patch through the magnet groove, so as to achieve a stable fix to the PCB patch fixture, reduce the workload of the staff, and improve the PCB to a certain extent. Fixing efficiency of the patch jig.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings that need to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained from these drawings without any creative effort.

FIG. 1 is a perspective view of a fixing device for a PCB patch fixture;

FIG. 2 is a top view of a fixing device for a PCB patch fixture;

3 is a bottom view of a fixing device for a PCB patch fixture;

FIG. 4 is a three-dimensional view of the base structure of a fixing device for a PCB patch fixture;

5 is a perspective view of a fixing device for a fixing device for a PCB patch fixture;

FIG. 6 is an exploded view of a fixing device of a fixing device for a PCB patch jig;

FIG. 7 is a schematic structural diagram of a sliding seat of a fixing device for a PCB patch jig;

8 is a bottom view of a support column of a fixing device for a PCB patch jig;

FIG. 9 is a relationship diagram of a support column and a support frame of a fixing device for a PCB patch jig;

FIG. 10 is a relationship diagram of a support part and a support arm of a fixing device for a PCB patch fixture;

FIG. 11 is a relational diagram of a support part and a support arm of a fixing device for a PCB patch jig;

FIG. 12 is a schematic structural diagram of a fixing screw used for a fixing device of a PCB patch jig;

Figure 13 is a diagram showing the relationship between a fixing nut and an anti-skid washer of a fixing device for a PCB patch jig;

FIG. 14 is a schematic structural diagram of a groove cover of a fixing device for a PCB patch jig;

FIG. 15 is a schematic structural diagram of a magnetic block of a fixing device for a PCB patch jig.

In the figure: base 1, fixing device 2, sliding seat 21, support column 22, support frame 23, through hole 24, locking slider 25, first bump 26, first groove 27, anti-skid rubber ring 261, support 230, support arm 231, locking button 232, adjusting screw 234, sliding groove 3, guide rod 31, groove cover 32, guide rod fixing groove 321, placing groove 4, magnet groove 5, concave hole 51, lifting part 6. Fixing screws 7, fixing nuts 71, anti-skid washers 72, magnet blocks 8, magnet bumps 81.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1

Please refer to Figures 1 to 15. The utility model provides a technical solution:

A fixing device for a PCB patch fixture, comprising a base 1 and a fixing device 2, characterized in that, two sides of the base 1 are symmetrically provided with sliding grooves 3, and the sliding grooves are provided with guide rods 31, And the guide rod 31 is provided with a fixing device 2. The fixing device 2 is composed of a sliding seat 21, a supporting column 22, and a supporting frame 23. One side of the sliding groove 3 is provided with a groove cover 32, between the two sliding grooves. A placement slot 4 is provided, a magnet groove 5 is provided on the back of the base 1 , the magnet grooves are evenly distributed with concave holes 51 , and the left and right sides of the base 1 are provided with holding parts 6 .

Preferably, the fixing device 2 is provided with a sliding seat 21 , a supporting column 22 and a supporting frame 23 from bottom to top, a through hole 24 is provided in the middle of the sliding seat 21 , and the inner wall of the through hole 24 is formed with the guide rod 31 . Sliding connection, and the outer side of the sliding seat 21 and the sliding groove 3 is provided with a locking slider 25, a first protrusion 26 is provided above the sliding seat 21, and the first protrusion 26 is provided with anti-slip The rubber ring 261 is provided with a first groove 27 at the bottom of the support column 22 .

By adopting the above technical solution, through the through hole 24 provided in the middle of the sliding seat 21, the sliding seat 21 can slide along the guide rod 31 to realize the position adjustment of the sliding seat 21, thereby realizing the fixation of the adjustable PCB patch jig The adjustment function of the device, when the sliding seat 21 slides to the desired position, press the locking slider 25, the sliding seat 21 can be fixed on the sliding groove 3, and the position of the sliding seat 21 needs to be adjusted, just slide the locking slide The block 25 can be pulled up, the operation is simple and convenient, and the fixed connection between the sliding seat 21 and the support column 22 can be realized through the first protrusion 26 and the first groove 27. 21 is removed from the sliding groove 3, only the supporting column 22 is removed from the sliding seat 21, and the anti-skid rubber ring 261 increases the stability when the sliding seat 21 is connected with the supporting column 22.

Preferably, a support frame 23 is provided above the support column 22 , and the support frame 23 is composed of a support portion 230 , a support arm 231 , and a locking button 232 , and a support arm is provided on the support portion 230 . 231 , the support part 230 and the support arm 231 are fixed by the locking button 232 .

By adopting the above technical solution, when the angle of the support arm 231 needs to be adjusted to complete the fixation of a specific part, the locking button 232 can be pulled up to separate the support portion 230 from the support arm 231, and then the support arm 231 can be rotated to the desired position. In the required position, press the locking button 232 to make the support portion 230 and the support arm 231 fixedly connected, and the support arm 231 cannot be rotated.

Preferably, the end of the support arm 231 away from the support frame 23 is provided with a fixing screw 7, the bottom of the fixing screw is provided with a fixing nut 71, and the bottom of the fixing nut 71 is provided with a non-slip washer 72. The fixing nut 71 may have various shapes.

By adopting the above technical solution, when the support arm 231 is adjusted to the ideal position, the fixing function can be realized by simply twisting off the fixing screw 7, and the PCB patch jig can be firmly fixed by the fixing screw 7, and the anti-skid gasket 72 can improve the While improving the fixing performance, it can also prevent the slight sliding of the PCB patch fixture during the moving process, reducing the deviation during the patching process, and reducing the probability of solder paste printing offset. Select the fixed nut 71 according to the actual situation of the fixed position. shape.

Preferably, the groove cover 32 is provided with a guide rod fixing groove 321 , the inner wall diameter of the guide rod fixing groove 321 is equal to the diameter of the guide rod 31 , and the position of the guide rod fixing groove 321 is matched with the guide rod 31 .

By adopting the above technical solution, the slot cover 32 can prevent the sliding seat 21 from sliding out of the sliding slot 3 when the locking slider 25 is not pressed down, and the guide rod 31 can be guaranteed to be in a horizontal position by the guide rod fixing groove 321 during use, preventing the After many times of use, the guide rod 31 is displaced. The diameter of the inner wall of the guide rod fixing groove 321 is equal to the diameter of the guide rod 31 and the positions match each other, so that the guide rod fixing groove 321 and the guide rod 31 are firmly connected and not easy to fall off.

Preferably, the magnet groove 5 is located below the placement slot 4 , and the size of the magnet groove 5 is not smaller than the size of the placement slot 4 .

By adopting the above technical solution, compared with the prior art, the flatness and integrity of the front surface of the placement slot 4 is improved, and the deviation during the patching process is reduced. The magnet groove 5 on the back of the placement slot 4 can also be absorbed by the magnet sheet. The effect of PCB patch iron products.

Preferably, a magnet block 8 is provided below the concave hole 51 , and a magnet bump 81 matching the size of the concave hole 51 is disposed on the top of the magnet block 8 .

By adopting the above technical solution, the corresponding magnetic block 8 can be placed in the magnet groove 5 according to the different positions of the iron products on the PCB. The block 8 can be fixedly connected to the magnet groove 5. When changing different PCB patch jigs, the magnet block 8 can be removed and placed in the corresponding position of the PCB patch iron product, so that the fixing device of the PCB patch jig can be fixed. Universal.

Preferably, after the concave hole 51 and the magnet block 8 are spliced together, the height of the bottom surface of the magnet block 8 is slightly lower than the bottom surface of the base 1 .

By adopting the above technical solution, the bottom surface of the magnetic block 8 can be prevented from protruding, so that the bottom surface of the base 1 is uneven, and the deviation in the patching process is reduced.

Example 2

Please refer to Figures 1 to 15. The utility model provides a technical solution:

A fixing device for a PCB patch fixture, comprising a base 1 and a fixing device 2, characterized in that, two sides of the base 1 are symmetrically provided with sliding grooves 3, and the sliding grooves are provided with guide rods 31, And the guide rod 31 is provided with a fixing device 2. The fixing device 2 is composed of a sliding seat 21, a supporting column 22, and a supporting frame 23. One side of the sliding groove 3 is provided with a groove cover 32, between the two sliding grooves. A placement slot 4 is provided, a magnet groove 5 is provided on the back of the base 1 , the magnet grooves are evenly distributed with concave holes 51 , and the left and right sides of the base 1 are provided with holding parts 6 .

Preferably, the fixing device 2 is provided with a sliding seat 21 , a supporting column 22 and a supporting frame 23 from bottom to top, a through hole 24 is provided in the middle of the sliding seat 21 , and the inner wall of the through hole 24 is formed with the guide rod 31 . Sliding connection, and the outer side of the sliding seat 21 and the sliding groove 3 is provided with a locking slider 25, a first protrusion 26 is provided above the sliding seat 21, and the first protrusion 26 is provided with anti-slip The rubber ring 261 is provided with a first groove at the bottom of the support column 22 .

By adopting the above technical solution, through the through hole 24 provided in the middle of the sliding seat 21, the sliding seat 21 can slide along the guide rod 31 to realize the position adjustment of the sliding seat 21, thereby realizing the fixation of the adjustable PCB patch jig The adjustment function of the device, when the sliding seat 21 slides to the ideal position, press the locking slider 25, the sliding seat 21 can be fixed on the sliding groove 3, and the position of the sliding seat 21 needs to be adjusted. The block 25 can be pulled up, the operation is simple and convenient, and the fixed connection between the sliding seat 21 and the support column 22 can be realized through the first protrusion 26 and the first groove 27. 21 is removed from the sliding groove 3, only the supporting column 22 is removed from the sliding seat 21, and the anti-skid rubber ring 261 increases the stability when the sliding seat 21 is connected with the supporting column 22.

Preferably, a support frame 23 is provided above the support column 22, and the support frame 23 is composed of a support portion 230, a support arm 231, and an adjusting screw 234. The support portion 230 is provided with a support arm 231, and The middle of the support arm 231 is hollowed out, and the support portion 230 and the support arm 231 are fixed by adjusting screws 234 .

By adopting the above technical solution, when the fixed angle or the length of the support arm 231 needs to be adjusted, it is only necessary to loosen the adjusting screw 234 to separate the support portion 230 from the support arm 231, and the support arm can be realized by hollowing out the middle of the support arm 231. 231 moves back and forth, or rotates the support arm 231 on the joint screw 234. When the support arm 231 is adjusted to the desired position, tighten the adjustment screw 234, so that the support portion 230 and the support arm 231 are fixedly connected and do not move.

Preferably, the end of the support arm 231 away from the support frame 23 is provided with a fixing screw 7, the bottom of the fixing screw is provided with a fixing nut 71, and the bottom of the fixing nut 71 is provided with a non-slip washer 72. The fixing nut 71 may have various shapes.

By adopting the above technical solution, when the support arm 231 is adjusted to the ideal position, the fixing function can be realized by simply twisting off the fixing screw 7, and the PCB patch jig can be firmly fixed by the fixing screw 7, and the anti-skid gasket 72 can improve the While improving the fixing performance, it can also prevent the slight sliding of the PCB patch fixture during the moving process, reducing the deviation during the patching process, and reducing the probability of solder paste printing offset. Select the fixed nut 71 according to the actual situation of the fixed position. shape.

Preferably, the groove cover 32 is provided with a guide rod fixing groove 321 , the inner wall diameter of the guide rod fixing groove 321 is equal to the diameter of the guide rod 31 , and the position of the guide rod fixing groove 321 is matched with the guide rod 31 .

By adopting the above technical solution, the slot cover 32 can prevent the sliding seat 21 from sliding out of the sliding slot 3 when the locking slider 25 is not pressed down, and the guide rod 31 can be guaranteed to be in a horizontal position by the guide rod fixing groove 321 during use, preventing the After many times of use, the guide rod 31 is displaced. The diameter of the inner wall of the guide rod fixing groove 321 is equal to the diameter of the guide rod 31 and the positions match each other, so that the guide rod fixing groove 321 and the guide rod 31 are firmly connected and not easy to fall off.

Preferably, preferably, the magnet groove 5 is located below the placement slot 4 , and the size of the magnet groove 5 is not smaller than the size of the placement slot 4 .

By adopting the above technical solution, compared with the prior art, the flatness and integrity of the front surface of the placement slot 4 is improved, and the deviation during the patching process is reduced. The magnet groove 5 on the back of the placement slot 4 can also be absorbed by the magnet sheet. The effect of PCB patch iron products.

Preferably, a magnet block 8 is provided below the concave hole 51 , and a magnet bump 81 matching the size of the concave hole 51 is disposed on the top of the magnet block 8 .

By adopting the above technical solution, the corresponding magnetic block 8 can be placed in the magnet groove 5 according to the different positions of the iron products on the PCB. The block 8 can be fixedly connected to the magnet groove 5. When changing different PCB patch jigs, the magnet block 8 can be removed and placed in the corresponding position of the PCB patch iron product, so that the fixing device of the PCB patch jig can be fixed. Universal.

Preferably, after the concave hole 51 and the magnet block 8 are spliced together, the height of the bottom surface of the magnet block 8 is slightly lower than the bottom surface of the base 1 .

By adopting the above technical solution, the bottom surface of the magnetic block 8 can be prevented from protruding, so that the bottom surface of the base 1 is uneven, and the deviation in the patching process is reduced.

Working principle or structure principle:

The utility model realizes the fixing of different PCB patch fixtures by controlling the fixing device. The two sides of the base are symmetrically provided with sliding grooves, and the sliding grooves are built with fixing devices. The number of devices is slid along the guide rod through the guide rod fixing device. The fixing device consists of a sliding seat, a support column and a support frame, and the sliding seat is provided with a locking slider. When the sliding seat slides to the desired position, press the lock Tighten the slider so that the sliding seat is fixed on the sliding groove, and then adjust the fixed angle or the length of the support arm 231. First, loosen the adjusting screw to separate the support part from the support arm. The support arm can be realized by hollowing out the middle of the support arm. Move back and forth, or rotate the support arm on the joint screw. When the support arm is adjusted to the desired position, tighten the adjustment screw to make the support part and the support arm fixedly connected without moving, so that the PCB patch fixture is fixed in the placement slot When the PCB patch fixture is fixed, the corresponding magnetic block can be placed on the back of the placement slot according to the position of the PCB patch iron product. The top of the magnetic block is provided with a bump that matches the size of the concave hole The block can be fixedly connected to the magnet groove. When changing different PCB patch fixtures, the magnetic block can be removed and placed in the corresponding position of its PCB patch iron product, so that the fixing device of the PCB patch fixture is versatile. .

The above-mentioned embodiments only represent several embodiments of the present utility model, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the utility model patent. It should be pointed out that for those of ordinary skill in the art, some modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for this utility model shall be subject to the appended claims.

Claims (9)

1. The utility model provides a fixing device for PCB paster tool, includes base (1), fixing device (2), its characterized in that, the bilateral symmetry of base (1) is equipped with sliding tray (3), be equipped with guide arm (31) in the sliding tray, and be equipped with fixing device (2) on guide arm (31), fixing device (2) comprise sliding seat (21), support column (22), support frame (23), one side of sliding tray (3) is equipped with capping (32), is equipped with standing groove (4) between two sliding trays, the back of base (1) is equipped with magnet recess (5), magnet recess evenly distributed has shrinkage pool (51), the left and right sides of base (1) is equipped with holds up portion (6).

2. A fixing device for a PCB patch jig according to claim 1, characterized in that: fixing device (2) is equipped with sliding seat (21), support column (22), support frame (23) by going up down, sliding seat (21) middle part is equipped with through-hole (24), through-hole (24) inner wall forms sliding connection with guide arm (31), and sliding seat (21) leans on outer one side with sliding tray (3) sliding connection to be equipped with locking slider (25), sliding seat (21) top is equipped with first lug (26), and is equipped with on first lug (26) and glues circle (261), support column (22) bottom is equipped with first recess (27).

3. A fixing device for a PCB paster fixture according to claim 2, characterized in that: the support column is characterized in that a support frame (23) is arranged above the support column (22), the support frame (23) is composed of a support portion (230), a support arm (231) and a locking button (232), the support portion (230) is provided with the support arm (231), and the support portion (230) and the support arm (231) are fixed through the locking button (232).

4. A fixing device for a PCB paster fixture according to claim 2, characterized in that: support frame (23) are equipped with in the top of support column (22), support frame (23) comprise supporting part (230), support arm (231) and adjusting screw (234), supporting part (230) are equipped with support arm (231), and the middle part fretwork of support arm (231), and supporting part (230) and support arm (231) are fixed through adjusting screw (234).

5. A fixing device for a PCB chip jig according to claim 3 or claim 4, wherein: one end, far away from the supporting frame (23), of the supporting arm (231) is provided with a fixing screw (7), the bottom of the fixing screw is provided with a fixing nut (71), the bottom of the fixing nut (71) is provided with an anti-skidding gasket (72), and the fixing nut (71) can be in various shapes.

6. A fixing device for a PCB patch jig according to claim 1, characterized in that: the groove cover (32) is provided with a guide rod fixing groove (321), the diameter of the inner wall of the guide rod fixing groove (321) is equal to that of the guide rod (31), and the position of the guide rod fixing groove (321) is matched with the guide rod (31).

7. A fixing device for a PCB patch jig according to claim 1, characterized in that: the magnet groove (5) is located below the placing groove (4), and the size of the magnet groove (5) is not smaller than that of the placing groove (4).

8. A fixing device for a PCB patch jig according to claim 1, characterized in that: a magnetic block (8) is arranged below the concave hole (51), and a convex block (81) matched with the concave hole (51) in size is arranged at the top of the magnetic block (8).

9. A fixing device for a PCB patch jig according to claim 8, characterized in that: after the concave hole (51) and the magnetic block (8) are spliced, the height of the bottom surface of the magnetic block (8) is slightly lower than that of the bottom surface of the base (1).

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