Multi-shaft tapping machine for metal product machining

Abstract

The utility model discloses a multi-shaft tapping machine for metal product machining. The tapping machine aims at solving the technical problems that in the prior art, single-station tapping efficiency is low, and meanwhile a clamping jig cannot be flexibly adjusted. Comprising a workbench, a tapping mechanism and a discharging mechanism are arranged at the rear end and the left end of the upper surface of the workbench correspondingly, and a station rotating mechanism is arranged in the middle of the upper surface of the workbench; the partition plate is arranged in the middle of the groove of the fixing block, the guide blocks capable of sliding in the guide grooves are arranged on the two sides of the partition plate, the placing plates are arranged on the guide blocks, and the notches are formed in the placing plates and the partition plate, so that two workpieces can be placed between the notches of the two placing plates and the notches of the partition plate; two workpieces can be tapped at the same time under the tapping mechanism, and the two workpieces can be pushed out and collected through the discharging mechanism, so that the workpieces of different sizes can be tapped, and the machining efficiency is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of tapping equipment, and in particular relates to a multi-axis tapping machine for processing metal products. Background Art

[0002] A tapping machine is a type of mechanical processing equipment that processes internal threads, screws, or threads on the inner side surfaces of various parts with through holes or blind holes of different specifications, such as machine housings, equipment end faces, nuts, flanges, etc.; depending on the number of spindles, the tapping machine can be divided into single-axis tapping machines, two-axis tapping machines, four-axis tapping machines, six-axis tapping machines, multi-axis tapping machines, etc. Multi-axis tapping machines can tap 2-25 holes simultaneously, with extremely high tapping efficiency.

[0003] When a certain batch of workpieces needs to be tapped, the traditional single-station tapping has low processing efficiency. At the same time, the clamping fixture needs to be replaced every time a batch of workpieces is changed, and workpieces of various specifications cannot be used, which reduces processing efficiency. Therefore, a multi-axis tapping machine for metal product processing is designed to change the above technical defects. Utility Model Content

[0004] (1) Technical problems to be solved

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a multi-axis tapping machine for metal product processing. The tapping equipment is mainly intended to solve the technical problems of low efficiency of single-station tapping under the existing technology and the inability to flexibly adjust the clamping fixture.

[0006] (2) Technical solution

[0007] 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said linking rod and said adjusting base are pivotally connected to each other with a bolt, and said bolt has a round shank to contact with said linking rod. said linking rod is pivotally connected to said linking rod. said linking rod is pivotally connected to said linking rod.

[0008] Preferably, the workstation rotation mechanism includes an installation box bolted to the upper surface of the workbench, and a second stepper motor is fixedly installed inside the installation box through a connecting frame. The output end of the second stepper motor passes through the inner top wall of the installation box through a rotating shaft and extends to the outside to be fixedly connected to a turntable. Multiple clamping mechanisms are distributed in a circular array at the edge of the upper surface of the turntable, and the fixed block is bolted to the top of the turntable.

[0009] Furthermore, the tapping mechanism includes two fixed columns fixedly connected to the upper surface of the workbench, the tops of the two fixed columns are fixedly connected to the same mounting plate, a hydraulic cylinder is bolted to the middle of the top of the mounting plate, both ends of the top of the mounting plate are fixedly connected to guide columns, the output end of the hydraulic cylinder is fixedly connected to a T-shaped top plate, and the two ends of the top plate are respectively slidably sleeved on the corresponding guide columns.

[0010] Furthermore, a transmission box is fixedly connected to the lower surface of one end of the top plate away from the hydraulic cylinder, and a first stepper motor is bolted to the lower surface of the top plate and located between the hydraulic cylinder and the transmission box. The output end of the first stepper motor is connected to the input shaft inside the transmission box through a belt, and a mounting bracket is installed on the output shaft at the bottom of the transmission box, and a plurality of tapping tools are installed at the bottom of the mounting bracket. The plurality of tapping tools are connected to the output shaft in the transmission box through a multi-axis converter in the mounting bracket.

[0011] Furthermore, the unloading mechanism includes two support columns fixedly connected to the left side of the workbench, and the tops of the two support columns are fixedly connected to the same support plate. The support plate is arranged in a cross shape, and a cylinder is bolted to the left end of the upper surface of the support plate. A slide groove is provided at the right end of the support plate, and the output end of the cylinder is fixedly connected to a connecting plate. The end of the connecting plate away from the cylinder is fixedly connected to two unloading rods.

[0012] Furthermore, the support plate is located above the fixed block, the lower end of the connecting plate is slidably connected to the inside of the slide, the unloading rod is L-shaped, the two unloading rods are located on both sides of the partition plate, and the end of the unloading rod away from the connecting plate is located above the bidirectional screw. A guide plate is fixedly connected between the two support columns and below the support plate, and the right end of the guide plate is higher than its left end.

[0013] Furthermore, the inner bottom wall of the guide groove is flush with the inner bottom wall of the groove, an accordion protective cover is fixedly connected between one side of the guide block and the inner wall of the guide groove, a plurality of threaded holes distributed at equal intervals are opened in the middle of the top of the partition plate, and a pressure plate is fixedly installed on the top of the partition plate by screws and threaded holes.

[0014] (3) Beneficial effects

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The utility model provides a partition plate in the middle of the groove of the fixed block, guide blocks that can slide in the guide groove are provided on both sides of the partition plate, a placement plate is provided on the guide block, and notches are provided on the placement plate and the partition plate, so that two workpieces can be placed between the notches of the two placement plates and the notches of the partition plate. The two-way screw is driven to rotate by rotating the adjusting wheel so that the two guide blocks are moved closer to or away from each other, thereby making the two placement plates move closer to or away from the partition plate, so that workpieces of different widths can be clamped, and the two workpieces can be tapped at the same time under the tapping mechanism, and the unloading mechanism can push out and collect the two workpieces, which not only makes it possible to tap workpieces of different sizes, but also greatly improves the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the top structure of the utility model;

[0020] Figure 4 For the utility model Figure 3 AA cross-sectional structural diagram;

[0021] Figure 5 This is a schematic diagram of the three-dimensional structure of the clamping mechanism of the present utility model;

[0022] Figure 6 This is a schematic diagram of the exploded structure of the clamping mechanism of the present utility model.

[0023] The marks in the accompanying drawings are: 1. workbench; 2. mounting box; 3. turntable; 4. clamping mechanism; 5. fixing column; 6. mounting plate; 7. hydraulic cylinder; 8. guide column; 9. top plate; 10. first stepper motor; 11. transmission box; 12. mounting frame; 13. tapping tool; 14. support column; 15. support plate; 16. cylinder; 17. slide; 18. connecting plate; 19. unloading rod; 20. guide plate; 21. second stepper motor; 22. fixing block; 23. groove; 24. partition plate; 25. guide groove; 26. guide block; 27. placement plate; 28. notch; 29. ​​threaded hole; 30. pressure plate; 31. bidirectional screw; 32. adjusting wheel. DETAILED DESCRIPTION

[0024] This specific embodiment is a multi-axis tapping machine for metal product processing, and its structural diagram is shown as follows: Figures 1-6As shown, it includes a workbench 1, the rear end and the left end of the upper surface of the workbench 1 are respectively provided with a tapping mechanism and a unloading mechanism, a station rotation mechanism is provided in the middle of the upper surface of the workbench 1, and a plurality of clamping mechanisms 4 are fixedly installed on the top of the station rotation mechanism, and the plurality of clamping mechanisms 4 each include a fixed block 22, a groove 23 is provided in the middle of the upper end of the fixed block 22, and guide grooves 25 connected to the groove 23 are provided in the middle of the inner walls on both sides of the groove 23, a partition plate 24 is bolted to the middle of the inner bottom wall of the groove 23, and the inner portions of the two guide grooves 25 are connected to the inner portions of the two guide grooves 25. The guide blocks 26 are all slidably connected to each other, and the top of the guide blocks 26 is fixedly connected to a placement plate 27. Notches 28 are provided on the upper ends of the two placement plates 27 on the side close to each other and on both sides of the top of the partition plate 24. A bidirectional screw 31 is provided between the two guide grooves 25. One end of the bidirectional screw 31 is rotatably connected to the inner wall of one of the guide grooves 25 through a bearing, and the other end of the bidirectional screw 31 is threadedly penetrated through the two guide blocks 26, the partition plate 24 and the inner wall of the other guide groove 25 and extends to the outside to be fixedly connected to an adjusting wheel 32.

[0025] The adjusting wheel 32 is rotated forwards and backwards according to the width of the workpiece, so that the adjusting wheel 32 drives the bidirectional screw 31 to rotate, and the bidirectional screw 31 can drive the two guide blocks 26 to move in the guide groove 25, and the guide blocks 26 drive the placement plates 27 thereon to move closer to and away from each other, thereby adjusting the distance between the two placement plates 27, and placing the two workpieces respectively between the placement plates 27 on both sides and the notches 28 on the partition plate 24, and rotating the adjusting wheel 32 so that the two placement plates 27 can limit the two workpieces, wherein the workpieces can be separated from the placement plates 27 under external force; then the program is set through the external controller to control the workstation rotation mechanism, tapping mechanism and unloading mechanism. The workstation rotation mechanism can rotate a workstation at a fixed time, the tapping mechanism can tap the workpiece below it, and the unloading mechanism can take out and collect the tapped workpiece from the placement plate 27.

[0026] Among them, the workstation rotation mechanism includes an installation box 2 bolted to the upper surface of the workbench 1, and a second stepper motor 21 is fixedly installed inside the installation box 2 through a connecting frame. The output end of the second stepper motor 21 passes through the inner top wall of the installation box 2 through a rotating shaft and extends to the outside and is fixedly connected to a turntable 3. A plurality of clamping mechanisms 4 are distributed in a circular array at the edge of the upper surface of the turntable 3, and a fixed block 22 is bolted to the top of the turntable 3; the second stepper motor 21 is controlled by an external controller to rotate to a certain angle and stop, and the second stepper motor 21 can drive the turntable 3 to rotate a certain angle, so that the clamping mechanism 4 on the turntable 3 can rotate in turn to the bottom of the tapping mechanism and the bottom of the unloading mechanism.

[0027] In addition, the tapping mechanism includes two fixed columns 5 fixedly connected to the upper surface of the workbench 1, the tops of the two fixed columns 5 are fixedly connected to the same mounting plate 6, a hydraulic cylinder 7 is bolted to the middle of the top of the mounting plate 6, and both ends of the top of the mounting plate 6 are fixedly connected to guide columns 8, and the output end of the hydraulic cylinder 7 is fixedly connected to a T-shaped top plate 9, and the two ends of the top plate 9 are respectively slidably connected to the corresponding guide columns 8; the top plate 9 can move up and down driven by the hydraulic cylinder 7, and the top plate 9 can slide on the guide columns 8.

[0028] In addition, the lower surface of the end of the top plate 9 away from the hydraulic cylinder 7 is fixedly connected to the transmission box 11, and the lower surface of the top plate 9 is bolted with a first stepper motor 10 between the hydraulic cylinder 7 and the transmission box 11. The output end of the first stepper motor 10 is connected to the input shaft inside the transmission box 11 through a belt, and the output shaft at the bottom of the transmission box 11 is installed with a mounting bracket 12. The bottom of the mounting bracket 12 is installed with multiple tapping cutters 13, and the multiple tapping cutters 13 are connected to the output shaft in the transmission box 11 through the multi-axis converter in the mounting bracket 12; when the top plate 9 moves up and down, it can drive the first stepper motor 10, the transmission box 11, the mounting bracket 12 and the tapping cutter 13 to move up and down, and the external controller can control the first stepper motor 10 to rotate, and the first stepper motor 10 drives the input shaft inside the transmission box 11 to rotate through the belt, and the input shaft inside the transmission box 11 drives the multiple tapping cutters 13 to rotate through the multi-axis converter in the mounting bracket 12, and when the hydraulic cylinder 7 drives the top plate 9 downward to move, the tapping cutter 13 can tap the reserved holes on the workpiece.

[0029] In addition, the unloading mechanism includes two support columns 14 fixedly connected to the left side of the workbench 1, and the tops of the two support columns 14 are fixedly connected to the same support plate 15, and the support plate 15 is arranged in a cross shape. The left end of the upper surface of the support plate 15 is bolted with a cylinder 16, and the right end of the support plate 15 is provided with a slide groove 17. The output end of the cylinder 16 is fixedly connected to a connecting plate 18, and the end of the connecting plate 18 away from the cylinder 16 is fixedly connected to two unloading rods 19; wherein, the cylinder 16 is adjusted to an extended state before work, and when the fixed block 22 is driven by the turntable 3 to rotate to the bottom of the support plate 15, the external controller controls the cylinder 16 to retract, and the cylinder 16 drives the connecting plate 18 to slide in the slide groove 17 and drives the unloading rod 19 to approach the cylinder 16. The two unloading rods 19 can push the corresponding two workpieces from the placement plate 27 to complete the unloading.

[0030] In addition, the support plate 15 is located above the fixed block 22, and the lower end of the connecting plate 18 is slidably connected to the inside of the slide 17. The unloading rod 19 is L-shaped, and the two unloading rods 19 are respectively located on both sides of the partition plate 24. The end of the unloading rod 19 away from the connecting plate 18 is located above the bidirectional screw 31. A guide plate 20 is fixedly connected between the two support columns 14 and below the support plate 15, and the right end of the guide plate 20 is higher than its left end; the connection plate 18 cooperates with the slide 17 to increase the stability of unloading, and the lower end of the unloading rod 19 can enter the upper part of the groove 23 on both sides of the partition plate 24 under the drive of the cylinder 16, so that the two workpieces can be pushed onto the guide plate 20. Since the guide plate 20 is tilted, the workpiece can move from high to low, and a collection box can be placed at the bottom of the guide plate 20 to collect the workpieces.

[0031] In addition, the inner bottom wall of the guide groove 25 is flush with the inner bottom wall of the groove 23, and an accordion protective cover is fixedly connected between one side of the guide block 26 and the inner wall of the guide groove 25. A plurality of threaded holes 29 distributed at equal intervals are provided in the middle of the top of the partition plate 24, and a pressure plate 30 is fixedly installed on the top of the partition plate 24 by screws and threaded holes 29; when one end of the guide block 26 moves into the groove 23, its bottom can slide in contact with the inner bottom wall of the groove 23, which not only ensures the stability of the movement of the guide block 26, but also ensures the stability of the workpiece when the tapping tool 13 taps; the pressure plate 30 is fixed in a suitable position by screws, so that one end of the workpiece can enter between the notch 28 on the partition plate 24 and the pressure plate 30, and the pressure plate 30 can limit one end of the workpiece to prevent one end of the workpiece from tilting when the tapping tool 13 taps the other end of the workpiece. Multiple threaded holes 29 can limit workpieces of different lengths.

[0032] The working principle is that when in use, the adjusting wheel 32 is first rotated forwards and backwards according to the width of the workpiece, so that the adjusting wheel 32 drives the bidirectional screw 31 to rotate, and the bidirectional screw 31 can drive the two guide blocks 26 to move in the guide groove 25, and the guide blocks 26 drive the placement plates 27 thereon to move closer to and away from each other, thereby adjusting the distance between the two placement plates 27, and placing the two workpieces between the placement plates 27 on both sides and the notches 28 on the partition plate 24, and rotating the adjusting wheel 32 so that the two placement plates 27 can limit the two workpieces, wherein the workpieces can be separated from the placement plates 27 under external force; then, according to the length of the workpiece, the pressing plate 30 is fixed in a suitable position by screws, so that one end of the workpiece can enter between the notch 28 on the partition plate 24 and the pressing plate 30, and the pressing plate 30 can limit one end of the workpiece;

[0033] Then, the two workpieces are placed between the notches 28 of the placement plates 27 and the notches 28 of the partition plates 24 on both sides, and one end of the workpiece is located under the pressing plate 30; the external controller controls the second stepper motor 21 to rotate a certain angle and stop, and the second stepper motor 21 can drive the turntable 3 to rotate a certain angle, so that the clamping mechanism 4 on the turntable 3 can rotate and rotate to the bottom of the tapping mechanism in sequence; then the external controller controls the hydraulic cylinder 7 to move downward and the first stepper motor 10 to rotate, and the top plate 9 can move up and down under the drive of the hydraulic cylinder 7, and at the same time the top plate 9 can slide on the guide column 8, so that the tapping cutter 13 moves downward, and the first stepper motor 1 0 The input shaft inside the transmission box 11 is driven to rotate by a belt. The input shaft inside the transmission box 11 drives multiple tapping cutters 13 to rotate through the multi-axis converter in the mounting frame 12, thereby tapping the reserved holes on the workpiece. After tapping is completed, the tapping cutter 13 is reset when the hydraulic cylinder 7 moves upward; then the turntable 3 rotates one station and drives the tapped workpiece to rotate to the bottom of the support plate 15. Finally, the external controller controls the cylinder 16 to retract. The cylinder 16 drives the connecting plate 18 to slide in the slide groove 17 and drives the unloading rod 19 to approach the cylinder 16. The two unloading rods 19 can push the corresponding two workpieces from the placement plate 27 to the guide plate 20 for collection.

[0034] All technical features in this embodiment can be freely combined according to actual needs.

[0035] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the scope of protection of the present invention.

Claims

1. A multi-axis tapping machine for metal product processing, characterized in that: The invention comprises a workbench (1), wherein the rear end and the left end of the upper surface of the workbench (1) are respectively provided with a tapping mechanism and a discharging mechanism, a station rotating mechanism is provided in the middle of the upper surface of the workbench (1), a plurality of clamping mechanisms (4) are fixedly installed on the top of the station rotating mechanism, and the plurality of clamping mechanisms (4) each comprise a fixed block (22), a groove (23) is provided in the middle of the upper end of the fixed block (22), a guide groove (25) connected to the groove (23) is provided in the middle of the inner wall on both sides of the groove (23), a partition plate (24) is bolted in the middle of the inner bottom wall of the groove (23), and the inner sides of the two guide grooves (25) are provided with a plurality of guide grooves (25) connected to the groove (23). The guide blocks (26) are all slidably connected to the guide blocks (26), and the top of the guide blocks (26) is fixedly connected to a placement plate (27). Notches (28) are provided on the upper ends of the two placement plates (27) on the sides close to each other and on both sides of the top of the partition plate (24). A bidirectional screw (31) is provided between the two guide grooves (25), and one end of the bidirectional screw (31) is rotatably connected to the inner wall of one of the guide grooves (25) through a bearing, and the other end of the bidirectional screw (31) is threadedly penetrated through the two guide blocks (26), the partition plate (24) and the inner wall of the other guide groove (25) and extends to the outside to be fixedly connected to an adjusting wheel (32).

2. The multi-axis tapping machine for metal product processing according to claim 1, characterized in that: The workstation rotation mechanism includes an installation box (2) bolted to the upper surface of the workbench (1), a second stepper motor (21) is fixedly installed inside the installation box (2) through a connecting frame, the output end of the second stepper motor (21) passes through the inner top wall of the installation box (2) through a rotating shaft and extends to the outside to be fixedly connected to a turntable (3), a plurality of the clamping mechanisms (4) are distributed in a ring array at the edge of the upper surface of the turntable (3), and the fixed block (22) is bolted to the top of the turntable (3).

3. The multi-axis tapping machine for metal product processing according to claim 1, characterized in that: The tapping mechanism comprises two fixed columns (5) fixedly connected to the upper surface of the workbench (1); the tops of the two fixed columns (5) are fixedly connected to the same mounting plate (6); a hydraulic cylinder (7) is bolted to the middle of the top of the mounting plate (6); both ends of the top of the mounting plate (6) are fixedly connected to guide columns (8); the output end of the hydraulic cylinder (7) is fixedly connected to a T-shaped top plate (9); and the two ends of the top plate (9) are respectively slidably sleeved on the corresponding guide columns (8).

4. A multi-axis tapping machine for metal product processing according to claim 3, characterized in that: The lower surface of one end of the top plate (9) away from the hydraulic cylinder (7) is fixedly connected to a transmission box (11); a first stepper motor (10) is bolted to the lower surface of the top plate (9) and located between the hydraulic cylinder (7) and the transmission box (11); an output end of the first stepper motor (10) is connected to an input shaft inside the transmission box (11) through a belt; a mounting frame (12) is installed on the output shaft at the bottom of the transmission box (11); a plurality of tapping cutters (13) are installed at the bottom of the mounting frame (12); and the plurality of tapping cutters (13) are connected to the output shaft in the transmission box (11) through a multi-axis converter in the mounting frame (12).

5. The multi-axis tapping machine for metal product processing according to claim 1, characterized in that: The unloading mechanism comprises two support columns (14) fixedly connected to the left side of the workbench (1); the tops of the two support columns (14) are fixedly connected to the same support plate (15); the support plate (15) is arranged in a cross shape; the left end of the upper surface of the support plate (15) is bolted to a cylinder (16); the right end of the support plate (15) is provided with a slide groove (17); the output end of the cylinder (16) is fixedly connected to a connecting plate (18); and the end of the connecting plate (18) away from the cylinder (16) is fixedly connected to two unloading rods (19).

6. The multi-axis tapping machine for metal product processing according to claim 5, characterized in that: The support plate (15) is located above the fixed block (22), the lower end of the connecting plate (18) is slidably connected to the inside of the slide groove (17), the discharge rod (19) is L-shaped, and the two discharge rods (19) are respectively located on both sides of the partition plate (24), and the end of the discharge rod (19) away from the connecting plate (18) is located above the bidirectional screw (31), and a guide plate (20) is fixedly connected between the two support columns (14) and located below the support plate (15), and the right end of the guide plate (20) is higher than its left end.

7. The multi-axis tapping machine for metal product processing according to claim 1, characterized in that: The inner bottom wall of the guide groove (25) is flush with the inner bottom wall of the groove (23); an accordion protective cover is fixedly connected between one side of the guide block (26) and the inner wall of the guide groove (25); a plurality of threaded holes (29) distributed at equal intervals are opened in the middle of the top of the partition plate (24); a pressure plate (30) is fixedly installed on the top of the partition plate (24) by screws and the threaded holes (29).

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