Conveying mechanism of semiconductor chip mounter and chip mounter

Abstract

The invention relates to the technical field of electrical element manufacturing, in particular to a conveying mechanism of a semiconductor chip mounter and the chip mounter, the conveying mechanism comprises two conveying mounting racks, an interval adjusting assembly and a positioning control assembly, the two conveying mounting racks are horizontally and symmetrically arranged through supporting legs, and conveying belts are movably arranged in the conveying mounting racks through guide assemblies; the guiding assembly comprises a tensioning wheel and two guiding wheels, the interval adjusting assembly comprises an interval control plate, the interval adjusting assembly is arranged between the two conveying mounting frames, when the interval between the two conveying mounting frames needs to be adjusted in an adaptive mode, rapid adjusting and positioning can be conducted through the positioning control assembly, and during adjusting operation, the distance between the two conveying mounting frames can be adjusted rapidly. Positioning control is more accurate, operation is more convenient, in addition, the positioning control assembly can adjust and control the position change of the tensioning wheel to achieve tightness adjustment of the conveying belt, and after the conveying belt is used for long-time conveying, the problem of conveying clamping caused by looseness is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of electrical component manufacturing, in particular to a conveying mechanism of a semiconductor chip mounter and a chip mounter. Background Art

[0002] Semiconductor devices are electronic devices with conductivity between good conductors and insulators. They use the special electrical properties of semiconductor materials to complete specific functions. They can be used to generate, control, receive, transform, amplify signals and perform energy conversion. When manufacturing electrical components with semiconductors, semiconductors are placed on electrical components, such as PCB carriers, by a placement machine. Prior art patent CN11639037 conveyor belt 3 discloses a conveying structure and a chip mounter for a semiconductor chip mounter in the field of chip mounter conveying structure technology. The conveyor belt can reduce the acceleration at start-up and the speed before emergency stop, thereby avoiding the conveyor belt's initial acceleration or too fast speed before stopping, which causes uneven stress on the conveyor belt and vibration, resulting in the PCB board being vibrated and damaged. In addition, the conveyor belt can be controlled by moving the belt through the equally distributed through holes through the lever, thereby moving the PCB board on the conveyor belt to a specified position in the chip mounter body to ensure the accuracy of the chip. However, due to the different sizes of PCB boards, the conveying mechanism needs to be adjusted according to the size of the semiconductor chip carrier during production, which is inconvenient to operate. Summary of the invention

[0003] The object of the present invention is to provide a conveying mechanism of a semiconductor placement machine and a placement machine to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the present invention provides the following technical solution: a conveying mechanism of a semiconductor placement machine, comprising: Two conveying mounting frames, the two conveying mounting frames are horizontally symmetrically arranged through legs, and a conveying belt is movably arranged in each conveying mounting frame through a guide assembly, and the guide assembly includes a tensioning wheel and two guide wheels; The interval adjustment component includes an interval control plate, and the opposite sides of the two conveying mounting frames are provided with a combined connecting seat, and the two sides of the interval control plate are respectively movable through the two through-plate grooves; The positioning control component has a horizontally movable plug-in combination connection seat, and the positioning control component includes a control board and a positioning strip. The centers of the two tensioning wheels are horizontally plugged together with a synchronous control shaft, and the two sides of the synchronous control shaft are respectively movable through the conveying mounting frame and plugged into one side of the control board.

[0005] Preferably, two rotation shafts are respectively provided at the upper and lower ends of one side of the conveying mounting frame, and two guide wheels are movably connected to the two rotation shafts through bearings. The two guide wheels are staggered, and one side of the conveyor belt is overlapped with the two guide wheels.

[0006] Preferably, the conveying mounting frame is horizontally provided with a flat support plate on one side of the conveyor belt, and one side of the conveyor belt is overlapped and arranged above the flat support plate.

[0007] Preferably, a through-plate groove is provided on one side of the conveying mounting frame below the flat support plate and penetrates the combined connecting seat, and two through-plate grooves are movably penetrated and plugged into the two sides of the spacing control plate.

[0008] Preferably, the combined connecting seat is located at the lower end of the through-plate groove and has a control guide groove vertically opened, one side of the control panel is movably inserted into the control guide groove, a spring groove is vertically opened on one side of the control panel, a positioning strip is movably inserted in the spring groove, the upper end of the positioning strip is inserted into the through-plate groove, and a plurality of positioning grooves are symmetrically opened at the lower end of one side of the spacer control panel plug-in combined connecting seat, the upper end of the positioning strip is inserted into the positioning groove, and the two side surfaces in contact with the positioning strip and the positioning groove are both inclined surfaces.

[0009] Preferably, the positioning strip is placed in the spring groove and has an anti-slip block at its lower end, a plurality of spring rods are vertically symmetrically provided at the lower end of the positioning strip, a telescopic slot is vertically opened on one side of the spring rod in the spring groove, the lower ends of the plurality of spring rods are movably inserted into the telescopic slots, and a support spring is sleeved on one side of the spring rod placed in the spring groove.

[0010] Preferably, a third strip groove is provided on one side of the control guide groove and passes through the combined connecting seat. A pushing screw sleeve is horizontally provided on one side of the control plate located on the third strip groove. The pushing screw sleeve movably passes through the third strip groove. A limiting screw is inserted through a thread in the pushing screw sleeve. One side of the limiting screw is inserted into the spring groove. When the upper end of the positioning strip is inserted into the positioning groove, the upper end of the limiting screw abuts against the lower end of the positioning strip.

[0011] Preferably, a reference plate is provided on one side of the combined connecting seat close to the pushing screw sleeve, and an adjusting screw is horizontally inserted on the reference plate through a thread, and one side of the adjusting screw is inserted into one side of the pushing screw sleeve through an anti-slip rotating shaft.

[0012] Preferably, the control plate has a second strip groove obliquely opened on one side close to the first strip groove, and the synchronous control shaft passes through both sides of the two conveying mounting frames and respectively passes through the two second strip grooves through movement.

[0013] A chip mounter having the conveying mechanism of the above-mentioned semiconductor chip mounter.

[0014] Compared with the prior art, the present invention has the following beneficial effects: By setting an interval adjustment component between the two conveyor mounting frames, when the spacing between the two conveyor mounting frames needs to be adjusted, the positioning can be quickly adjusted through the positioning control component. During the adjustment operation, the positioning control is more precise and the operation is more convenient. In addition, the positioning control component can adjust the tightness of the conveyor belt by adjusting the position change of the tensioning wheel. After the conveyor belt has been used for a long time, the problem of conveying material jamming caused by relaxation can be avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the conveying mechanism of the present invention; Figure 2 It is a schematic diagram of the conveyor belt installation structure of the present invention; Figure 3 For the present invention Figure 2 Schematic diagram of part A; Figure 4 This is a schematic diagram of the control panel installation structure of the present invention; Figure 5 This is a schematic diagram of the cross-sectional structure of the control panel installation of the present invention; Figure 6 For the present invention Figure 5 Schematic diagram of part B; Figure 7 This is an exploded view of the control panel connection of the present invention; Figure 8 For the present invention Figure 7 Schematic diagram of the C site.

[0016] In the figure: conveying mounting frame 1, guide wheel 2, conveyor belt 3, flat support plate 4, first strip groove 5, synchronous control shaft 6, tensioning wheel 7, anti-slip groove 8, side block strip 9, combined connecting seat 10, through plate groove 11, interval control plate 12, control guide groove 13, control plate 14, second strip groove 15, spring groove 16, positioning strip 17, positioning groove 18, spring rod 19, support spring 20, third strip groove 21, pushing screw sleeve 22, limit screw 23, adjusting screw 24, reference plate 25. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] Please see attached Figure 1-Figure 8 , this application provides the following technical solutions.

[0019] Embodiment 1: A conveying mechanism of a semiconductor placement machine, comprising two conveying mounting frames 1, the two conveying mounting frames 1 are horizontally symmetrically arranged through legs, a conveying belt 3 is movably arranged in the conveying mounting frames 1 through a guiding assembly, the guiding assembly comprises a tensioning wheel 7 and two guide wheels 2, two self-rotating shafts are respectively arranged at the upper and lower ends of one side of the conveying mounting frame 1, the two guide wheels 2 are respectively movably sleeved on the two self-rotating shafts through bearings, the two guide wheels 2 are staggered, one side of the conveying belt 3 is overlapped with the two guide wheels 2, the conveying mounting frame 1 is horizontally provided with a flat support plate 4 on one side of the conveying belt 3, and one side of the conveying belt 3 is overlapped above the flat support plate 4. When performing semiconductor placement, the PCB carriers that need to be placed are sequentially transported to the placement machine through the two conveyor belts 3, and then clamped and fixed by the placement machine grasping structure to perform precise placement of semiconductors, and the flat support plate 4 keeps the conveying belt 3 running smoothly during the movement.

[0020] The interval adjustment component is provided to facilitate adjustment of the interval between the two conveyor mounting frames 1 to accommodate PCB carriers of different sizes and widths. The interval adjustment component includes an interval control plate 12. The opposite sides of the two conveyor mounting frames 1 are provided with a combined connecting seat 10. The two sides of the interval control plate 12 are respectively movably penetrated by two through-plate grooves 11. The side of the conveyor mounting frame 1 located below the flat support plate 4 is provided with a through-plate groove 11 through the combined connecting seat 10. The two sides of the interval control plate 12 are respectively movably penetrated and plugged into the two through-plate grooves 11. The interval control plate 12 acts as a bridge between the two conveyor mounting frames 1 to keep the two conveyor mounting frames 1 level and aligned in position.

[0021] A positioning control component is provided to control the adjustment and fixation of the interval control plate 12 and the two conveying mounting frames 1. The positioning control component is horizontally movable and plugged into the combined connecting seat 10. The positioning control component includes a control plate 14 and a positioning strip 17. The combined connecting seat 10 is located at the lower end of the through-plate groove 11 and is vertically provided with a control guide groove 13. One side of the control plate 14 is movable through and plugged into the control guide groove 13. A spring groove 16 is vertically penetrated and opened on one side of the control plate 14. A positioning strip 17 is movably plugged into the spring groove 16. The upper end of the positioning strip 17 is plugged into the through-plate groove 11. The lower end of one side of the interval control plate 12 plugged into the combined connecting seat 10 is symmetrically provided with a plurality of positioning grooves 18. The upper end of the positioning strip 17 is plugged into the positioning groove 18, and the positioning strip 17 ... positioning strip 17 is symmetrically provided with a plurality of positioning grooves 18. The upper end of the positioning strip 17 is plugged into the positioning groove 18, and the positioning strip 17 is symmetrically provided with a plurality of positioning grooves 18. The positioning strip 17 is symmetrically provided with a plurality of positioning grooves 18. The positioning strip 17 is symmetrically The two sides contacting the spring groove 16 and the positioning strip 17 are both inclined surfaces. The length of the spring groove 16 and the positioning strip 17 is greater than the horizontal movable length of the control plate 14 in the combined connecting seat 10. The positioning strip 17 is placed in the spring groove 16 and the lower end is provided with an anti-slip block. The lower end of the positioning strip 17 is vertically symmetrically provided with a plurality of spring rods 19. A telescopic groove is vertically opened on one side of the spring rod 19 in the spring groove 16. The lower ends of the plurality of spring rods 19 are respectively movably inserted into the telescopic groove, and the spring rod 19 is placed in the spring groove 16. One side is provided with a support spring 20. When the interval control plate 12 passes through the through-plate groove 11, the positioning strip 17 can be inserted into the positioning groove 18 to self-position the positional relationship between the conveying mounting frame 1 and the interval control plate 12.

[0022] A third strip groove 21 is provided on one side of the control guide groove 13 through the combined connecting seat 10, and a pushing screw sleeve 22 is horizontally provided on one side of the control plate 14 located at the third strip groove 21. The pushing screw sleeve 22 is movably arranged to penetrate the third strip groove 21, and a limiting screw 23 is inserted and inserted in the pushing screw sleeve 22 through a thread. One side of the limiting screw 23 is inserted into the spring groove 16. When the upper end of the positioning bar 17 is inserted into the positioning groove 18, the upper end of the limiting screw 23 abuts against the lower end of the positioning bar 17. When the limiting screw 23 is inserted into the spring groove 16 and abuts against the lower end of the positioning bar 17, under the plug-in action of the positioning bar 17 and the positioning groove 18, the positional relationship between the two conveying mounting frames 1 and the interval control plate 12 is fixed, completing the fixed control after position adjustment.

[0023] In this embodiment: when it is necessary to adjust the position interval between the two conveying mounting frames 1, the conveying mounting frame 1 is pushed along the interval control plate 12, so that the positioning strip 17 of the control plate 14 is inserted into the positioning groove 18 of the interval control plate 12 in sequence under the action of the support spring 20 for self-positioning. After the positioning adjustment is completed, the limit screw 23 is penetrated into the spring groove 16 and abuts against the lower end of the positioning strip 17. At this time, the positioning strip 17 cannot be separated from the positioning groove 18 of the interval control plate 12, and thus the interval control plate 12 and the conveying mounting frame 1 cannot move, and the fixed operation after adjustment is performed. The operation is simple. In addition, the number of interval control plates 12 can be adjusted according to the length of the conveying mounting frame 1, and there should be at least two interval control plates 12 to ensure that the interval between the two conveying mounting frames 1 is evenly distributed.

[0024] Embodiment 2: On the basis of embodiment 1, the tightness of the conveyor belt 3 is adjusted and controlled. The center level of the two tensioning wheels 7 is commonly plugged with a synchronous control shaft 6. The two sides of the synchronous control shaft 6 are respectively movably penetrated through the conveyor mounting frame 1 and plugged into one side of the control board 14. The control board 14 is inclined on one side close to the first strip groove 5 and is provided with a second strip groove 15. The synchronous control shaft 6 penetrates the two sides of the two conveyor mounting frames 1 and respectively penetrates the two second strip grooves 15 by moving. The combined connecting seat 10 is provided with a reference plate 25 on one side close to the push screw sleeve 22. The reference plate 25 An adjusting screw 24 is provided through horizontal threaded insertion, and one side of the adjusting screw 24 pushes one side of the screw sleeve 22 through the anti-slip shaft insertion. When the adjusting screw 24 rotates, the control board 14 can be pushed to move horizontally in the combined connecting seat 10. At this time, the synchronous control shaft 6 can only move up and down under the action of the first strip groove 5. In conjunction with the inclined state of the second strip groove 15, the height position of the synchronous control shaft 6 can be quickly adjusted, and then the force of the tensioning wheel 7 against the conveyor belt 3 can be adjusted to achieve the tightness adjustment of the conveyor belt 3. At the same time, adaptive positioning and fixing can be performed, and the operation is simple and convenient.

[0025] A side guard bar 9 is provided on the side away from each other of the two conveyor belts 3, and an anti-slip groove 8 is provided on one side of the tensioning wheel 7. One side of the conveyor belt 3 overlaps the upper end of the tensioning wheel 7, and the side guard bar 9 is inserted into the anti-slip groove 8. The side guard bar 9 is arranged so that when the PCB carrier of the semiconductor patch is placed on the conveyor belt 3, the PCB carrier will not have direct friction contact with the conveying mounting frame 1, thereby avoiding misalignment and excessive wear during the movement, and the conveyor belt 3 is not easy to fall off the guide wheel 2.

[0026] A chip mounter has the conveying mechanism of the semiconductor chip mounter.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A conveying mechanism for a semiconductor placement machine, characterized in that: include: Two conveying mounting frames (1), the two conveying mounting frames (1) being horizontally symmetrically arranged via legs, and a conveying belt (3) being movably arranged in each conveying mounting frame (1) via a guide assembly, wherein the guide assembly comprises a tensioning wheel (7) and two guide wheels (2); An interval adjustment component, the interval adjustment component comprising an interval control plate (12), a combined connection seat (10) being provided on opposite sides of the two conveying mounting frames (1), and two sides of the interval control plate (12) being movably penetrated by two through-plate grooves (11); A positioning control component, the positioning control component is horizontally movable and plugged into a combined connecting seat (10), the positioning control component comprises a control board (14) and a positioning strip (17), the centers of the two tensioning wheels (7) are horizontally commonly plugged with a synchronous control shaft (6), and the two sides of the synchronous control shaft (6) respectively movably penetrate the conveying mounting frame (1) and plug into one side of the control board (14).

2. The conveying mechanism of a semiconductor mounter according to claim 1, characterized in that: Two rotation shafts are respectively provided at the upper and lower ends of one side of the conveying installation frame (1); two guide wheels (2) are respectively movably sleeved on the two rotation shafts via bearings; the two guide wheels (2) are arranged in a staggered manner; and one side of the conveying belt (3) is respectively overlapped with the two guide wheels (2).

3. The conveying mechanism of a semiconductor mounter according to claim 2, characterized in that: The conveying mounting frame (1) is horizontally provided with a flat support plate (4) on one side of the conveying belt (3), and one side of the conveying belt (3) is overlapped and arranged above the flat support plate (4).

4. The conveying mechanism of a semiconductor mounter according to claim 3, characterized in that: The conveying mounting frame (1) is provided with a through-plate groove (11) on one side of the conveying mounting frame (1) located below the flat support plate (4), and the two sides of the spacing control plate (12) are respectively movably penetrated and plugged into the two through-plate grooves (11).

5. The conveying mechanism of a semiconductor mounter according to claim 4, characterized in that: The combined connection seat (10) is provided with a control guide groove (13) vertically at the lower end of the through-plate groove (11), one side of the control plate (14) is movably inserted into the control guide groove (13), one side of the control plate (14) is provided with a spring groove (16) vertically extending therethrough, a positioning strip (17) is movably inserted into the spring groove (16), the upper end of the positioning strip (17) is inserted into the through-plate groove (11), a plurality of positioning grooves (18) are symmetrically provided at the lower end of one side of the spacer control plate (12) inserted into the combined connection seat (10), the upper end of the positioning strip (17) is inserted into the positioning groove (18), and both sides of the positioning strip (17) and the positioning groove (18) in contact are inclined surfaces.

6. The conveying mechanism of a semiconductor mounter according to claim 5, characterized in that: The positioning strip (17) is placed in the spring groove (16) and has an anti-slip block at its lower end. A plurality of spring rods (19) are vertically symmetrically provided at the lower end of the positioning strip (17). A telescopic groove is vertically opened on one side of the spring rod (19) in the spring groove (16). The lower ends of the plurality of spring rods (19) are movably inserted into the telescopic grooves, and a support spring (20) is sleeved on one side of the spring rod (19) placed in the spring groove (16).

7. The conveying mechanism of a semiconductor mounter according to claim 6, characterized in that: A third strip groove (21) is formed on one side of the control guide groove (13) and passes through the combined connecting seat (10). A push screw sleeve (22) is horizontally provided on one side of the control plate (14) located at the third strip groove (21). The push screw sleeve (22) is movably provided to pass through the third strip groove (21). A limit screw rod (23) is inserted and threadedly penetrated in the push screw sleeve (22). One side of the limit screw rod (23) is inserted into the spring groove (16). When the upper end of the positioning strip (17) is inserted into the positioning groove (18), the upper end of the limit screw rod (23) abuts against the lower end of the positioning strip (17).

8. The conveying mechanism of a semiconductor mounter according to claim 7, characterized in that: A reference plate (25) is provided on one side of the combined connection seat (10) close to the pushing screw sleeve (22); the reference plate (25) is provided with an adjusting screw rod (24) through horizontal thread insertion; one side of the adjusting screw rod (24) is inserted into one side of the pushing screw sleeve (22) through an anti-slip rotating shaft.

9. The conveying mechanism of a semiconductor mounter according to claim 8, characterized in that: The control plate (14) has a second strip groove (15) obliquely formed on one side close to the first strip groove (5), and the synchronous control shaft (6) penetrates through both sides of the two conveying mounting frames (1) and respectively penetrates through the two second strip grooves (15) through movement.

10. A chip mounter, characterized in that: The chip mounter has the conveying mechanism of the semiconductor chip mounter described in any one of claims 1 to 9.

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