A visual dispensing device for semiconductor PCB board

Abstract

The application provides a semiconductor PCB visual dispensing device, and relates to the technical field of dispensing devices.The device comprises an adjusting part, a switching part outside the adjusting part, and a dispensing part outside the switching part.A fixing block is fixed on a lifting frame to facilitate the movement of a dispensing gun to the dispensing position of a PCB, so that dispensing treatment can be performed.The dispensing part is fixed on two groups of driving tooth plates to facilitate the reverse adjustment of the two groups of driving tooth plates under the control of a torsion gear, so that switching can be performed while a single group is moving, the laying cost of the equipment is reduced, and wear is reduced by shortening the moving path.The application solves the problem that a sealing glue layer needs to be added around components before dispensing in order to prevent glue from flowing before solidification, and that multiple glue types need to be controlled by multiple dispensing assemblies, which increases the work loss of the dispensing assembly due to frequent switching of glue during dispensing.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of dispensing device, particularly relates to a visual dispensing device for semiconductor PCB. BACKGROUND

[0002] The dispensing device is a mechanism for pushing glue in the dispensing cylinder out to the product by air source, which is widely used in the processing of semiconductor PCB, that is, during the processing of PCB, after the electronic components on the PCB are fixed, the connecting pins of the electronic components are protected by dispensing glue, and in order to facilitate the dispensing of the PCB, a dispensing device is needed.

[0003] As for the conventional dispensing device, in order to prevent the glue from flowing before solidification, a sealing glue layer is usually added around the components during the dispensing process, and multiple glue materials need to be controlled by multiple dispensing assemblies, which easily increases the work loss of the dispensing assembly due to frequent switching of glue materials. SUMMARY

[0004] The present application relates to a visual dispensing device for semiconductor PCB, which has a switching part and a dispensing part. The fixed block is fixed on the lifting frame, which facilitates the position adjustment under the action of the translation frame and the lifting frame, and the dispensing gun is moved to the dispensing position of the PCB for dispensing treatment. The dispensing part is fixed on the two driving tooth plates, which facilitates the reverse adjustment of the two driving tooth plates under the control of the torsion gear, so as to facilitate the switching while moving in single group, reduce the laying cost of the equipment, and reduce the wear by shortening the moving path.

[0005] The first aspect of the present disclosure provides a semiconductor PCB visual dispensing device, specifically comprising: an adjusting part; the adjusting part comprises a fixing frame, a stable guide rail and a lifting frame; the stable guide rail is arranged in a square plate structure, two groups of tracks are arranged on the stable guide rail, a rectangular block is arranged at the middle position of the stable guide rail, a threaded rod is rotatably connected between the rectangular blocks of the stable guide rail, the stable guide rail is fixed on the fixing frame through screws, and the threaded rod of the stable guide rail is connected with a translation motor on the fixing frame; a switching part is arranged outside the adjusting part, and the switching part comprises a fixed block, a torsion gear, a driving gear plate and a drying frame; the fixed block is fixedly connected to the lifting frame; the driving gear plate is arranged in a columnar gear structure, a rectangular block is arranged on the outer wall of the driving gear plate, a square plate is connected to the rectangular block of the driving gear plate, and two groups of driving gear plates are arranged; the two groups of driving gear plates are slidingly connected to the inside of the fixed block respectively, and the two groups of driving gear plates are connected with the torsion gear through clamping teeth respectively; the drying frame is arranged in an L-shaped frame, the bottom of the drying frame is provided with a blowing plate, the inside of the drying frame is provided with an air duct, an external connector is arranged on the outer wall of the drying frame, and the drying frame is fixed on the outer wall of the fixed block through screws; a dispensing part is arranged outside the switching part, and the dispensing part comprises a butt joint plate, a constraint sleeve, a binding head block and a cartridge holder; the butt joint plate is fixed on the driving gear plate through screws; the cartridge holder is arranged in an L-shaped structure, the top of the cartridge holder is provided with a U-shaped structure, and two groups of cartridge holders are arranged; the two groups of cartridge holders are fixed on the two groups of binding head blocks through screws respectively, and the two groups of cartridge holders are inserted into the two groups of constraint sleeves respectively.

[0006] In at least some embodiments, the fixing frame is arranged in a U-shaped frame, two square plates are arranged on the bottom of the fixing frame, a fixed side plate is arranged on the bottom of the fixing frame, a side frame is arranged on the outer wall of the fixing frame, and a translation motor is arranged on the side frame of the fixing frame.

[0007] In at least some embodiments, the adjusting part further comprises a translation frame; the translation frame is arranged in a square plate structure, sliding blocks are arranged on the front and back sides of the translation frame respectively, rectangular blocks are arranged at the middle positions of the front and back sides of the translation frame respectively, threaded holes are arranged on the rectangular blocks of the translation frame, the translation frame is slidingly connected to the stable guide rail, and the translation frame and the threaded rod on the stable guide rail are connected through threads.

[0008] In at least some embodiments, the lifting frame is arranged in an L-shaped frame, a lifting motor is arranged on the top of the lifting frame, a threaded rod is connected to the lifting motor of the lifting frame, a guide rail is arranged on the inner side of the lifting frame, the lifting frame is slidingly connected to the translation frame, and the threaded rod of the lifting frame and the translation frame are connected through threads.

[0009] In at least some embodiments, the fixed block is arranged in a cuboid structure, the inside of the fixed block is a cavity structure, a rectangular hole is arranged on the outer wall of the fixed block, and a torsion motor is arranged on the front side of the fixed block.

[0010] At least in some embodiments, the switching part further comprises a monitoring block; the twist gear is arranged as a columnar gear structure, and the twist gear is rotationally connected to the inside of the fixed block and connected to the twist motor of the fixed block; the monitoring block is arranged as a trapezoidal block structure, and a monitor is arranged on the inclined surface of the monitoring block, and the monitoring block is fixedly connected to the bottom of the fixed block.

[0011] At least in some embodiments, the switching part further comprises a constraint sleeve plate; the constraint sleeve plate is arranged as a square plate structure, and a circular through hole is arranged on the constraint sleeve plate, a spring is arranged on the top of the constraint sleeve plate, and a circular ring structure is connected to the constraint sleeve plate through the spring; the constraint sleeve plate is provided with two groups, and the two groups of constraint sleeve plates are fixedly connected to the outer walls of the monitoring block.

[0012] At least in some embodiments, the dispensing part further comprises an adjusting groove; the butt joint plate is arranged as an L-shaped plate structure, and a rectangular groove is arranged on the bottom of the butt joint plate; the adjusting groove is arranged as a rectangular groove, and a rectangular through hole and a shaft hole are connected to the adjusting groove; the adjusting groove is provided with four groups, and the four groups of adjusting grooves are connected to the inner walls of the rectangular grooves on the two groups of butt joint plates.

[0013] At least in some embodiments, the dispensing part further comprises a tightening rod; the tightening rod is arranged as a threaded rod structure, a cylindrical protrusion is arranged on the tightening rod, a hexagonal protrusion is arranged on the cylindrical protrusion of the tightening rod, and the tightening rod is provided with four groups; the four groups of tightening rods are rotationally connected in the four groups of adjusting grooves; the constraint sleeve is arranged as a rectangular cylindrical structure, and a rectangular groove is arranged on the outer wall of the constraint sleeve; the two groups of constraint sleeves are clamped on the two groups of butt joint plates.

[0014] At least in some embodiments, the dispensing part further comprises a dispensing gun; the dispensing gun is provided with two groups, and the two groups of dispensing guns are fixedly connected in the interiors of the two groups of constraint sleeves through screws; the beam head block is arranged as a U-shaped block structure, two groups of T-shaped blocks are arranged on the outer wall of the beam head block, threaded through holes are arranged on the T-shaped blocks of the beam head block, the two groups of beam head blocks are slidingly connected to the two groups of butt joint plates, the two groups of beam head blocks are slidingly connected to the four groups of adjusting grooves, and the two groups of beam head blocks are threadedly connected to the four groups of tightening rods.

[0015] The semiconductor PCB visual dispensing device provided by the application has the following advantages:

[0016] The translation frame and the lifting frame are connected to the relative threaded rods of the translation motor and the lifting motor respectively, so that the position of the switching part and the dispensing part can be adjusted, the dispensing gun can be moved to the dispensing position, and the PCB can be conveniently dispensed.

[0017] In addition, the driving tooth plate and the drying rack are arranged, the driving tooth plate is slidably connected in the fixed block and connected with the torsion gear inside, the torsion gear drives the two groups of driving to adjust reversely at the same time of rotating, the switching of the glue gun is completed in the process of reverse adjustment, the drying rack is fixed at the bottom of the fixed block, the hot air is blown after being connected with the external air blowing equipment, the solidification time of the glue is shortened, and the glue dispensing treatment of the PCB is facilitated.

[0018] In addition, the constraint sleeve and the cartridge holder are arranged, the glue gun is fixed inside the constraint sleeve to facilitate the constraint and direct replacement of the glue gun, the glue gun is replaced, the cartridge holder is fixed on the bundle head block, the stability of the glue gun is maintained by being inserted in the constraint sleeve while being adjusted synchronously. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0020] The drawings in the following description only relate to some embodiments of the present application, and are not limited to the present application.

[0021] In the drawings:

[0022] Figure 1 A schematic view of a three-dimensional assembly structure according to an embodiment of the present application is shown;

[0023] Figure 2 A schematic view of a three-dimensional assembly structure according to an embodiment of the present application is shown;

[0024] Figure 3 A schematic view of an exploded structure according to an embodiment of the present application is shown;

[0025] Figure 4 A schematic view of an exploded structure according to an embodiment of the present application is shown;

[0026] Figure 5 A schematic view of a partially cut structure according to an embodiment of the present application is shown;

[0027] Figure 6 A schematic view of a three-dimensional assembly structure according to an embodiment of the present application is shown; Figure 5 A schematic view of an enlarged structure of part A is shown;

[0028] Figure 7 A schematic view of an adjustment assembly structure according to an embodiment of the present application is shown;

[0029] Figure 8 A schematic view of a switching assembly structure according to an embodiment of the present application is shown;

[0030] Figure 9 Fig. 1 shows a schematic diagram of the dispensing part assembly structure according to an embodiment of the present application;

[0031] Figure 10 Fig. 2 shows a schematic diagram of the switching part and dispensing part assembly structure according to an embodiment of the present application.

[0032] List of reference signs

[0033] 1, adjusting part; 101, fixing frame; 102, stable guide rail; 103, translation frame; 104, lifting frame;

[0034] 2, switching part; 201, fixed block; 202, torsion gear; 203, driving toothed plate; 204, monitoring block; 205, constraint sleeve plate; 206, drying frame;

[0035] 3, dispensing part; 301, butt joint plate; 302, adjusting groove; 303, tightening rod; 304, constraint sleeve; 305, dispensing gun; 306, bunching block; 307, cartridge holder. DETAILED DESCRIPTION

[0036] The embodiments of the present application will be further described below in conjunction with the drawings and examples.

[0037] Example 1: Please refer to Figures 1 to 10The application provides a semiconductor PCB visual dispensing device, which comprises an adjusting part 1; the adjusting part 1 comprises a fixing frame 101, a stable guide rail 102 and a lifting frame 104; the stable guide rail 102 is in the shape of a square plate, two groups of tracks are arranged on the stable guide rail 102, a rectangular block is arranged at the middle position of the stable guide rail 102, a threaded rod is rotatably connected between the rectangular blocks of the stable guide rail 102, the stable guide rail 102 is fixed on the fixing frame 101 through screws, and the threaded rod of the stable guide rail 102 is connected with a translation motor on the fixing frame 101; the stable guide rail 102 is used for assisting a position adjustment of a translation frame 103, facilitating position adjustment of the switching part 2 and the dispensing part 3 as a whole in cooperation with the lifting frame 104; the adjusting part 1 is externally provided with the switching part 2, and the switching part 2 comprises a fixed block 201, a torsion gear 202, a driving toothed plate 203 and a drying frame 206; the fixed block 201 is fixedly connected to the lifting frame 104; the driving toothed plate 203 is in the shape of a columnar gear, a rectangular block is arranged on the outer wall of the driving toothed plate 203, a square plate is connected to the rectangular block of the driving toothed plate 203, and two groups of driving toothed plates 203 are arranged, the two groups of driving toothed plates 203 are slidingly connected to the inside of the fixed block 201 respectively, and the two groups of driving toothed plates 203 are connected with the torsion gear 202 through clamping teeth respectively; the driving toothed plate 203 is used for being adjusted in height under the driving of the torsion gear 202, so that the corresponding dispensing part 3 is conveniently adjusted in position during the adjustment; the drying frame 206 is in the shape of an L-shaped frame, a blowing plate is arranged at the bottom of the drying frame 206, an air duct is arranged in the drying frame 206, an external connector is arranged on the outer wall of the drying frame 206, and the drying frame 206 is fixed on the outer wall of the fixed block 201 through screws; the drying frame 206 is used for spraying warm air during dispensing, so as to assist the solidification of glue; the switching part 2 is externally provided with the dispensing part 3, and the dispensing part 3 comprises a butt joint plate 301, a constraint sleeve 304, a bundle head block 306 and a clamping cylinder frame 307; the butt joint plate 301 is fixed on the driving toothed plate 203 through screws; the clamping cylinder frame 307 is in the shape of an L-shaped structure, a U-shaped structure is arranged at the top of the clamping cylinder frame 307, two groups of clamping cylinder frames 307 are arranged, the two groups of clamping cylinder frames 307 are fixed on the two groups of bundle head blocks 306 through screws respectively, and the two groups of clamping cylinder frames 307 are inserted into the two groups of constraint sleeves 304 respectively; the clamping cylinder frame 307 is used for assisting the constraint of the constraint sleeve 304, so as to assist the stability of a dispensing gun 305.

[0038] In the embodiment two, as shown, the fixing frame 101 is set as a U-shaped frame, the bottom fixing part of the fixing frame 101 is provided with two groups of square plates, the bottom of the fixing frame 101 is provided with a fixing side plate, the outer wall of the fixing frame 101 is provided with a side frame, the side frame of the fixing frame 101 is provided with a translation motor; the fixing frame 101 is used for assisting in installation and supporting other structures of the device, so as to facilitate the device to keep stable as a whole; the adjusting part 1 further comprises a translation frame 103; the translation frame 103 is set as a square plate structure, the front and back sides of the translation frame 103 are respectively provided with sliding blocks, the middle positions of the front and back sides of the translation frame 103 are respectively provided with rectangular blocks, the rectangular blocks of the translation frame 103 are provided with threaded holes, the translation frame 103 is slidingly connected on the stable guide rail 102, and the translation frame 103 and the threaded rod on the stable guide rail 102 are connected through threads; the translation frame 103 is used for adjusting the position under the control of the translation motor, so as to adjust the relative positions of the switching part 2 and the glue dispensing part 3 in cooperation with the lifting frame 104, thereby facilitating the glue dispensing treatment on the PCB board; the lifting frame 104 is set as an L-shaped frame, the lifting frame 104 is provided with a lifting motor at the top, the lifting motor of the lifting frame 104 is connected with a threaded rod, the inner side of the lifting frame 104 is provided with a guide rail, the lifting frame 104 is slidingly connected on the translation frame 103, and the threaded rod of the lifting frame 104 is connected with the translation frame 103 through threads; the lifting frame 104 is used for adjusting the lifting under the control of the lifting motor, and adjusting the relative positions of the switching part 2 and the glue dispensing part 3 in cooperation with the translation frame 103, thereby facilitating the glue dispensing treatment on the PCB board.

[0039] In the embodiments of the present disclosure, as shown in the drawings, the fixed block 201 is provided in a cuboid structure, the inside of the fixed block 201 is a hollow structure, a rectangular through hole is arranged on the outer wall of the fixed block 201, and a torsion motor is arranged on the front side of the fixed block 201; the fixed block 201 is used for assisting in mounting and fixing other structures of the switching part 2, facilitating adjustment processing while maintaining stability; the switching part 2 further comprises a monitoring block 204; the torsion gear 202 is provided in a columnar gear structure, is rotationally connected to the inside of the fixed block 201, and is connected with the torsion motor of the fixed block 201; the torsion gear 202 is used for rotating under the driving of the torsion motor, so as to control two groups of driving toothed plates 203 to be reversely adjusted; the monitoring block 204 is provided in a trapezoidal block structure, a monitor is arranged on the inclined surface of the monitoring block 204, and the monitoring block 204 is fixedly connected to the bottom of the fixed block 201; the monitoring block 204 is used for monitoring the dispensing condition through the monitor, so as to assist in dispensing processing; the switching part 2 further comprises a constraint sleeve plate 205; the constraint sleeve plate 205 is provided in a square plate structure, a circular through hole is arranged on the constraint sleeve plate 205, a spring is arranged on the top of the constraint sleeve plate 205, the constraint sleeve plate 205 is connected with a circular ring structure through the spring, and the constraint sleeve plate 205 is provided in two groups, and the two groups of constraint sleeve plates 205 are fixedly connected to the outer walls of the monitoring block 204 respectively; the constraint sleeve plate 205 is used for protecting the position of the gun head of the dispensing gun 305, so as to facilitate use.

[0040] In the embodiment of the present disclosure, as shown in the figure, the dispensing part 3 further comprises an adjusting groove 302; the butt joint plate 301 is provided in the form of an L-shaped plate structure, the bottom of the butt joint plate 301 is provided with a rectangular groove, and the butt joint plate 301 is provided with two groups; the butt joint plate 301 is used for assisting in mounting and fixing other structures of the dispensing part 3, so as to facilitate use; the adjusting groove 302 is provided in the form of a rectangular groove, the adjusting groove 302 is connected with a rectangular through hole, the adjusting groove 302 is connected with a shaft hole, the adjusting groove 302 is provided with four groups, and the four groups of adjusting grooves 302 are respectively connected with the inner walls of the rectangular grooves on the two groups of butt joint plates 301; the adjusting groove 302 is used for assisting in mounting and fixing the tightening rod 303 and the bunching block 306, so as to facilitate adjustment; the dispensing part 3 further comprises a tightening rod 303; the tightening rod 303 is provided in the form of a threaded rod structure, the tightening rod 303 is provided with a cylindrical protrusion, the cylindrical protrusion of the tightening rod 303 is provided with a hexagonal protrusion, the tightening rod 303 is provided with four groups, and the four groups of tightening rods 303 are respectively rotationally connected in the four groups of adjusting grooves 302; the tightening rod 303 is used for controlling the relative position of the bunching block 306 while adjusting, so as to facilitate constraint of the dispensing gun 305; the constraint sleeve 304 is provided in the form of a rectangular cylindrical structure, the outer wall of the constraint sleeve 304 is provided with a rectangular groove, and the two groups of constraint sleeves 304 are respectively clamped on the two groups of butt joint plates 301; the constraint sleeve 304 is used for fixing the dispensing gun 305, so as to facilitate maintaining stability; the dispensing part 3 further comprises a dispensing gun 305; the dispensing gun 305 is provided with two groups, and the two groups of dispensing guns 305 are respectively fixed in the two groups of constraint sleeves 304 by screws; the bunching block 306 is provided in the form of a U-shaped block structure, the outer wall of the bunching block 306 is provided with two groups of T-shaped blocks, the T-shaped blocks of the bunching block 306 are respectively provided with threaded through holes, the two groups of bunching blocks 306 are respectively slidingly connected on the two groups of butt joint plates 301, the two groups of bunching blocks 306 are respectively slidingly connected in the four groups of adjusting grooves 302, and the two groups of bunching blocks 306 are respectively threadedly connected on the four groups of tightening rods 303; the bunching block 306 is used for tightly pressing the gun head position of the dispensing gun 305, so as to facilitate maintaining stability of the dispensing gun 305.

[0041] The specific use and role of the embodiment are as follows: in the present application, when in use, the dispensing gun 305 is fixed in the constraint sleeve 304, the constraint sleeve 304 is clamped in the butt joint plate 301, the tightening rod 303 is rotated, the tightening rod 303 is controlled by threads to adjust the bunching block 306 in the adjusting groove 302 and the butt joint plate 301, and the clamping sleeve frame 307 is inserted in the constraint sleeve 304, so as to maintain stability between the constraint sleeve 304 and the dispensing gun 305;

[0042] When dispensing, the translation motor and the lifting motor are controlled by the external control center to adjust the switching part 2 and the dispensing part 3, so that the position of the gun head of the dispensing gun 305 is close to the PCB board, and the dispensing gun 305 is controlled by the external control device to perform dispensing processing. When switching is needed, the twisting motor drives the twisting gear 202 to rotate, and in the process of rotation, the tooth plate 203 is driven to rise and fall by the control of the clamping tooth, so that the two groups of dispensing guns 305 are switched to assist the dispensing processing by directly changing the gun, and at the same time of dispensing, the drying rack 206 sprays hot air to assist the solidification of the glue;

[0043] When the dispensing gun 305 is replaced, the tightening rod 303 is rotated to drive the beam block 306 to adjust under the action of the screw, and at the same time, the cartridge holder 307 is driven to release the constraint on the constraint sleeve 304, so as to facilitate the replacement of the constraint sleeve 304 and the dispensing gun 305.

[0044] In this paper, the following points need attention:

[0045] 1. The drawings of the embodiments of the present disclosure only involve the structures involved in the embodiments of the present disclosure, and other structures can refer to the usual design.

[0046] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined to obtain new embodiments.

[0047] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A semiconductor PCB board vision dispensing apparatus, comprising: The adjusting part (1) is characterized in that the adjusting part (1) comprises a fixing frame (101), a stable guide rail (102) and a lifting frame (104); the stable guide rail (102) is provided in a square plate structure, two groups of tracks are arranged on the stable guide rail (102), a rectangular block is arranged at the middle position of the stable guide rail (102), a threaded rod is rotatably connected between the rectangular blocks of the stable guide rail (102), the stable guide rail (102) is fixed on the fixing frame (101) through screws, and the threaded rod of the stable guide rail (102) is connected with a translation motor on the fixing frame (101); a switching part (2) is arranged outside the adjusting part (1), and the switching part (2) comprises a fixed block (201), a torsion gear (202), a driving toothed plate (203) and a drying frame (206); the fixed block (201) is fixedly connected to the lifting frame (104); the driving toothed plate (203) is provided in a columnar gear structure, a rectangular block is arranged on the outer wall of the driving toothed plate (203), a square plate is connected to the rectangular block of the driving toothed plate (203), and two groups of driving toothed plates (203) are arranged; the two groups of driving toothed plates (203) are slidingly connected to the inside of the fixed block (201) respectively, and the two groups of driving toothed plates (203) are connected with the torsion gear (202) through clamping teeth respectively; the drying frame (206) is provided in an L-shaped frame structure, a blowing plate is arranged at the bottom of the drying frame (206), an air duct is arranged in the drying frame (206), an external connector is arranged on the outer wall of the drying frame (206), and the drying frame (206) is fixed on the outer wall of the fixed block (201) through screws; a point gluing part (3) is arranged outside the switching part (2), and the point gluing part (3) comprises a butt joint plate (301), a constraint sleeve (304), a binding head block (306) and a clamping cylinder frame (307); the butt joint plate (301) is fixed on the driving toothed plate (203) through screws; the clamping cylinder frame (307) is provided in an L-shaped structure, a U-shaped structure is arranged at the top of the clamping cylinder frame (307), two groups of clamping cylinder frames (307) are arranged, and the two groups of clamping cylinder frames (307) are fixed on the two groups of binding head blocks (306) through screws respectively; and the two groups of clamping cylinder frames (307) are inserted into the two groups of constraint sleeves (304) respectively.

2. The visual dispensing device for semiconductor PCB board according to claim 1, characterized in that: The fixing frame (101) is provided in a U-shaped frame structure, two square plates are arranged at the bottom of the fixing frame (101), a fixed side plate is arranged at the bottom of the fixing frame (101), a side frame is arranged on the outer wall of the fixing frame (101), and a translation motor is arranged on the side frame of the fixing frame (101).

3. The visual dispensing device for semiconductor PCB board according to claim 1, characterized in that: The adjusting part (1) further comprises a translation frame (103); the translation frame (103) is provided in a square plate structure, sliding blocks are arranged at the front and back sides of the translation frame (103) respectively, rectangular blocks are arranged at the middle positions of the front and back sides of the translation frame (103) respectively, threaded holes are arranged on the rectangular blocks of the translation frame (103), the translation frame (103) is slidingly connected to the stable guide rail (102), and the translation frame (103) is connected with the threaded rod on the stable guide rail (102) through threads.

4. The visual dispensing device for semiconductor PCB board according to claim 3, characterized in that: The lifting frame (104) is provided as an L-shaped frame, the top of the lifting frame (104) is provided with a lifting motor, the lifting motor of the lifting frame (104) is connected with a threaded rod, the inner side of the lifting frame (104) is provided with a guide rail, the lifting frame (104) is slidingly connected on the translation frame (103), and the threaded rod of the lifting frame (104) is connected with the translation frame (103) through threads.

5. The visual dispensing device for semiconductor PCB board of claim 1, wherein: The fixing block (201) is provided as a cuboid structure, the inside of the fixing block (201) is a cavity structure, the outer wall of the fixing block (201) is provided with a rectangular through hole, and the front side of the fixing block (201) is provided with a torsion motor.

6. The visual dispensing device for semiconductor PCB board of claim 1, wherein: The switching part (2) further comprises a monitoring block (204); the torsion gear (202) is provided as a columnar gear structure, the torsion gear (202) is rotationally connected in the inside of the fixing block (201), and the torsion gear (202) is connected with the torsion motor of the fixing block (201); the monitoring block (204) is provided as a trapezoidal block structure, the inclined surface of the monitoring block (204) is provided with a monitor, and the monitoring block (204) is fixedly connected to the bottom of the fixing block (201).

7. The visual dispensing device of claim 6, wherein the visual dispensing device further comprises a visual inspection device configured to inspect the semiconductor PCB board. The switching part (2) further comprises a constraint sleeve plate (205); the constraint sleeve plate (205) is provided as a square plate structure, the constraint sleeve plate (205) is provided with a circular through hole, the top of the constraint sleeve plate (205) is provided with a spring, the constraint sleeve plate (205) is connected with a circular ring structure through the spring, and the constraint sleeve plate (205) is provided with two groups.

8. The visual dispensing device for semiconductor PCB board of claim 1, wherein: The dispensing part (3) further comprises an adjusting groove (302); the butt joint plate (301) is provided as an L-shaped plate structure, the bottom of the butt joint plate (301) is provided with a rectangular groove, and the butt joint plate (301) is provided with two groups; the adjusting groove (302) is provided as a rectangular groove, the adjusting groove (302) is connected with a rectangular through hole, the adjusting groove (302) is connected with an axle hole, the adjusting groove (302) is provided with four groups, and the four groups of adjusting grooves (302) are connected with the inner walls of the rectangular grooves on the two groups of butt joint plates (301) respectively.

9. The visual dispensing device for semiconductor PCB board according to claim 8, characterized in that: The dispensing part (3) further comprises a tightening rod (303); the tightening rod (303) is provided as a threaded rod structure, the tightening rod (303) is provided with a cylindrical protrusion, the cylindrical protrusion of the tightening rod (303) is provided with a hexagonal protrusion, the tightening rod (303) is provided with four groups, and the four groups of tightening rods (303) are rotationally connected in the four groups of adjusting grooves (302) respectively; the constraint sleeve (304) is provided as a rectangular cylindrical structure, the outer wall of the constraint sleeve (304) is provided with a rectangular groove, and the two groups of constraint sleeves (304) are clamped on the two groups of butt joint plates (301).

10. The visual dispensing device for semiconductor PCB board according to claim 9, characterized in that: The dispensing part (3) further comprises dispensing guns (305); the dispensing guns (305) are provided in two groups, and the two groups of dispensing guns (305) are fixed in the interiors of the two groups of constraint sleeves (304) through screws; the beam head blocks (306) are provided in U-shaped block structures, two groups of T-shaped blocks are arranged on the outer walls of the beam head blocks (306), threaded holes are respectively arranged on the T-shaped blocks of the beam head blocks (306), the two groups of beam head blocks (306) are respectively connected on the two groups of butt plates (301) in a sliding mode, the two groups of beam head blocks (306) are respectively connected in the four groups of adjusting grooves (302) in a sliding mode, and the two groups of beam head blocks (306) are respectively connected on the four groups of tightening rods (303) in a threaded mode.

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