Automatic tapping machine

Abstract

The invention discloses an automatic tapping machine, and relates to the field of tapping machines, the automatic tapping machine comprises a turntable, the top end of the turntable is provided with a product carrier, the inner side of the turntable is provided with a rotating shaft, and the inner side of the rotating shaft is connected with a transmission shaft. By arranging the first air cylinder, the first pawl, the ratchet wheel and the rotating disc, the first air cylinder moves back and forth, the first pawl pushes the ratchet wheel to rotate in the reciprocating process, a transmission structure at the rear end of the first pawl separates limiting of the third pawl when needing to rotate, it is guaranteed that the first pawl can smoothly push the ratchet wheel to rotate, and the third pawl can prevent the ratchet wheel from excessively rotating forwards; through cooperation of the three pawls, the first air cylinder moves back and forth one by one to complete machining of one hole, when the ratchet wheel rotates, the rotating shaft and the rotating disc are driven to rotate through the transmission shaft, the position of the product carrier is adjusted, feeding is achieved, and the rotating disc and the product carrier are fixed through the first positioning plug pin and the second positioning plug pin. And multiple accurate positioning of the product is achieved, and follow-up product machining is facilitated.

Description

Technical Field

[0001] The invention relates to the field of tapping machines, in particular to an automatic tapping machine. Background Art

[0002] Tapping machines are divided into drilling tapping machines, expanding tapping machines, etc. Fully automatic tapping machines have the highest degree of automation. When working, just put the part blank into the hopper for automatic feeding, automatic positioning, automatic clamping, automatic tapping, and automatic unloading. One worker can operate multiple devices at the same time, with high production efficiency, which can significantly save labor costs.

[0003] The existing automatic tapping machines have poor positioning accuracy during production and processing, which makes it easy for errors to occur after positioning, resulting in problems during product processing. Therefore, automatic tapping machines are urgently needed. Summary of the invention

[0004] The purpose of the present invention is to provide an automatic tapping machine to solve the problem that the existing automatic tapping machine has poor positioning accuracy during production and processing, which makes it easy for errors to occur after positioning, resulting in problems during product processing.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic tapping machine comprises a turntable, a product carrier is arranged at the top of the turntable, and a rotating shaft is arranged on the inner side of the turntable, a transmission shaft is connected to the inner side of the rotating shaft, a cushion block is arranged on the outer wall of the transmission shaft, a ratchet is arranged below the cushion block, a first pawl is engaged with the ratchet, a transmission structure is arranged at the rear end of the first pawl, and a second pawl is arranged on one side of the first pawl, an elastic structure is arranged on one side of the transmission structure, and a first bushing is arranged on the inner side of the transmission structure, a first cylinder is arranged at the rear end of the transmission structure, a fixing block is arranged on the outer side of the second pawl, and a third pawl is arranged on the side of the second pawl away from the first pawl, a first positioning pin is engaged with the side of the turntable, a pin positioning frame is arranged on the outer side of the first positioning pin, and a second positioning pin is arranged on one side of the first positioning pin, a second cylinder is installed at the front end of the first positioning pin, and a third cylinder is installed at the front end of the second positioning pin.

[0006] Preferably, a screw is provided at the bottom end of the transmission structure, and an inclined block is engaged with the transmission structure, and the transmission structure is fixedly connected to the ratchet through the inclined block.

[0007] Preferably, a second bushing is provided on the inner side of the cushion block, a working platform is clamped on the inner side of the second bushing, and the cushion block and the working platform are clamped and fixed by the second bushing.

[0008] Preferably, the elastic structure prevents the first pawl from being separated from the ratchet area, the turntable and the transmission shaft are fixedly connected by pins and bolts, and the transmission shaft and the working platform are movably connected by a cushion block and a second bushing.

[0009] Preferably, a spring device is provided on the inner side of the fixed block, the transmission structure is movably connected to the transmission shaft via a first bushing and a ball bearing, and the ratchet is fixedly connected to the transmission shaft.

[0010] Preferably, a mounting seat is provided at the end of the first cylinder, and the mounting seat, the fixing block, the positioning seat and the latch positioning frame are fixedly mounted to the working platform by bolts, and the rotating shaft is fixedly mounted to the rotating disk.

[0011] Preferably, the second cylinder and the first positioning pin, the third cylinder and the second positioning pin are fixedly installed by bolts, the side of the turntable is provided with a positioning groove matching the first positioning pin, and the side of the product carrier is provided with a positioning groove matching the second positioning pin.

[0012] Preferably, positioning seats are installed at the ends of the second cylinder and the third cylinder, and pin positioning frames are provided on the outer sides of the first positioning pin and the second positioning pin.

[0013] Compared with the prior art, the present invention has the following beneficial effects: The present invention sets a first cylinder, a first pawl, a ratchet and a turntable. The first cylinder runs back and forth, and the first pawl pushes the ratchet to rotate back and forth. The transmission structure at the rear end of the first pawl separates the limit of the third pawl when rotation is required, to ensure that the first pawl can smoothly push the ratchet to rotate, the third pawl can prevent the ratchet from excessive forward rotation, and the second pawl prevents the ratchet from reverse rotation. Through the cooperation of the three pawls, the first cylinder completes the processing of one acupoint in one back and forth movement, and when the ratchet rotates, the rotating shaft and the turntable are driven to rotate through the transmission shaft, so as to adjust the position of the product carrier and realize feeding, and the turntable and the product carrier are fixed by the first positioning pin and the second positioning pin, so as to realize multiple precise positioning of the product, and facilitate the subsequent processing of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the top view of the turntable structure of the present invention; Figure 2 It is a schematic diagram of the structure of the turntable of the present invention when viewed from above; Figure 3 It is a cross-sectional structural schematic diagram of the present invention; Figure 4 It is a schematic diagram of the working platform of the present invention; Figure 5 It is a schematic diagram of ratchet positioning of the present invention; Figure 6 is a schematic diagram of a first positioning latch of the present invention; Figure 7 is a schematic diagram of a second positioning latch of the present invention; Figure 8 It is a schematic diagram of the transmission shaft of the present invention; Fig. 9 It is a schematic diagram of the transmission structure of the present invention.

[0015] In the figure: 1. turntable; 2. product carrier; 3. rotating shaft; 4. mounting seat; 5. first cylinder; 6. transmission structure; 7. first bushing; 8. screw; 9. first pawl; 10. elastic structure; 11. ratchet; 12. second pawl; 13. fixing block; 14. third pawl; 15. transmission shaft; 16. cushion block; 17. second bushing; 18. working platform; 19. inclined block; 20. positioning seat; 21. second cylinder; 22. first positioning pin; 23. pin positioning frame; 24. third cylinder; 25. second positioning pin. DETAILED DESCRIPTION

[0016] 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.

[0017] See also Figure 1-Figure 9, an automatic tapping machine, comprising a turntable 1, a product carrier 2 is arranged at the top of the turntable 1, and a rotating shaft 3 is arranged on the inner side of the turntable 1, a transmission shaft 15 is connected to the inner side of the rotating shaft 3, a cushion block 16 is arranged on the outer wall of the transmission shaft 15, a ratchet 11 is arranged below the cushion block 16, a first pawl 9 is engaged with the ratchet 11, a transmission structure 6 is arranged at the rear end of the first pawl 9, and a second pawl 12 is arranged on one side of the first pawl 9, an elastic structure 10 is arranged on one side of the transmission structure 6, a first bushing 7 is arranged on the inner side of the transmission structure 6, a first cylinder 5 is arranged at the rear end of the transmission structure 6, a fixing block 13 is arranged on the outer side of the second pawl 12, and a third pawl 14 is arranged on the side of the second pawl 12 away from the first pawl 9, and a first pawl 9 is engaged with the side of the turntable 1 A positioning pin 22, a pin positioning frame 23 is provided on the outer side of the first positioning pin 22, and a second positioning pin 25 is provided on one side of the first positioning pin 22, a second cylinder 21 is installed at the front end of the first positioning pin 22, and a third cylinder 24 is installed at the front end of the second positioning pin 25, a screw 8 is provided at the bottom end of the transmission structure 6, and an inclined block 19 is engaged with the transmission structure 6, and the transmission structure 6 is fixedly connected to the ratchet 11 through the inclined block 19, a second bushing 17 is provided on the inner side of the cushion block 16, a working platform 18 is engaged with the inner side of the second bushing 17, and the cushion block 16 and the working platform 18 are fixedly engaged through the second bushing 17, the elastic structure 10 prevents the first pawl 9 from escaping from the ratchet 11 area, and the turntable 1 and the transmission shaft 15 are fixedly connected through pins and bolts The first cylinder 5 is connected to the working platform 18, and the transmission shaft 15 is movably connected to the working platform 18 through the cushion block 16 and the second bushing 17. A spring device is arranged on the inner side of the fixing block 13. The transmission structure 6 is movably connected to the transmission shaft 15 through the first bushing 7 and the ball bearing, and the ratchet 11 is fixedly connected to the transmission shaft 15. A mounting seat 4 is arranged at the end of the first cylinder 5. The mounting seat 4, the fixing block 13, the positioning seat 20 and the latch positioning frame 23 are fixedly installed with the working platform 18 by bolts. The rotating shaft 3 is fixedly installed with the turntable 1. The second cylinder 21 and the first positioning latch 22, and the third cylinder 24 and the second positioning latch 25 are all fixedly installed by bolts. A positioning groove matching the first positioning latch 22 is provided on the side of the turntable 1, and a positioning groove matching the second positioning latch 22 is provided on the side of the product carrier 2. 5, the ends of the second cylinder 21 and the third cylinder 24 are both installed with a positioning seat 20, and the outer sides of the first positioning latch 22 and the second positioning latch 25 are both provided with a latch positioning frame 23, which is driven back and forth by the first cylinder 5 on the mounting seat 4, and the first pawl 9 on the first cylinder 5 pushes the ratchet 11 to rotate during the reciprocating movement. The transmission structure 6 at the rear end of the first pawl 9 is connected to the first pawl 9 for reciprocating movement at one end, and the inclined block 19 is fixed at the other end. When rotation is required, the third pawl 14 is separated from the limit position to ensure that the first pawl 9 can smoothly push the ratchet 11 to rotate. The third pawl 14 can prevent the ratchet 11 from excessive forward rotation. When the ratchet 11 rotates forward, the third pawl 14 is in an unrestricted state. When the ratchet 11 rotates to a specified position, the third pawl 14 becomes a restricted state.The second pawl 12 prevents the ratchet 11 from reversing. When the first cylinder 5 is extended, it drives the ratchet 11 to rotate to the next position. When the first cylinder 5 is retracted, due to the inclined structure of the ratchet 11, the first pawl 9 can move smoothly, and the ratchet 11 is not driven to rotate. Through the cooperation of the three pawls, the first cylinder 5 completes the processing of one acupoint in one back and forth, and when the ratchet 11 rotates, the rotating shaft 3 and the turntable 1 are driven to rotate through the transmission shaft 15. When the turntable 1 rotates, the position of the product carrier 2 is adjusted to achieve feeding. After the position of the product carrier 2 is adjusted, the second cylinder 21 is controlled to operate, driving the first positioning pin 22 to extend and engage with the positioning groove on the side of the turntable 1, so as to position the turntable 1. At the same time, the third cylinder 24 is operated to drive the second positioning pin 25 to extend, so that the second positioning pin 25 is inserted into the positioning groove on the side of the product carrier 2, so that the product carrier 2 is fixed. After the turntable 1 and the product carrier 2 are fixed, multiple precise positioning of the product is achieved, which is convenient for subsequent processing of the product. ,

[0018] Working principle: When the present invention is used, the first cylinder 5 on the mounting seat 4 drives back and forth, and the first pawl 9 on the first cylinder 5 pushes the ratchet 11 to rotate back and forth. The transmission structure 6 at the rear end of the first pawl 9 is connected to the first pawl 9 for reciprocating motion at one end, and the other end is fixed with the inclined block 19. When rotation is required, the third pawl 14 is separated from the limit position to ensure that the first pawl 9 can smoothly push the ratchet 11 to rotate. The third pawl 14 can prevent the ratchet 11 from excessive forward rotation. When the ratchet 11 rotates forward, the third pawl 14 is in the non-rotating position. In the limited state, when the ratchet 11 rotates to the specified position, the third pawl 14 becomes the limited state, and the second pawl 12 prevents the ratchet 11 from reversing. When the first cylinder 5 extends, it drives the ratchet 11 to rotate to the next position. When the first cylinder 5 is retracted, due to the inclined structure of the ratchet 11, the first pawl 9 can move smoothly, and the ratchet 11 is not driven to rotate. Through the cooperation of the three pawls, the first cylinder 5 completes the processing of one acupoint in one back and forth, and when the ratchet 11 rotates, the shaft is driven through the transmission shaft 15. 3 and the turntable 1 rotates. When the turntable 1 rotates, the position of the product carrier 2 is adjusted to achieve feeding. After the position of the product carrier 2 is adjusted, the second cylinder 21 is controlled to operate, driving the first positioning pin 22 to extend and engage with the positioning groove on the side of the turntable 1, so as to position the turntable 1. At the same time, the third cylinder 24 operates to drive the second positioning pin 25 to extend, so that the second positioning pin 25 is inserted into the positioning groove on the side of the product carrier 2, so that the product carrier 2 is fixed. After the turntable 1 and the product carrier 2 are fixed, multiple precise positioning of the product is achieved, which is convenient for subsequent processing of the product. The tapping machine adopts the principle of mechanical positioning, with high positioning accuracy, driven by a single cylinder, and low error rate of machine operation. In addition to the induction line, no other high-voltage power supply is connected, with high safety and simple structure. Tapping multiple acupoints of the turntable 1 improves work efficiency, and can effectively avoid the conflict in time between tapping and picking up and placing products. If necessary, more acupoints of the turntable 1 can be added. Multiple acupoints are staggered in different dimensions and have high safety.

[0019] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. An automatic tapping machine, comprising a turntable (1), characterized in that: A product carrier (2) is arranged at the top of the turntable (1), and a rotating shaft (3) is arranged on the inner side of the turntable (1), a transmission shaft (15) is connected to the inner side of the rotating shaft (3), a cushion block (16) is arranged on the outer wall of the transmission shaft (15), a ratchet (11) is arranged below the cushion block (16), a first pawl (9) is engaged with the ratchet (11), a transmission structure (6) is arranged at the rear end of the first pawl (9), and a second pawl (12) is arranged on one side of the first pawl (9), an elastic structure (10) is arranged on one side of the transmission structure (6), and a first bushing (7) is arranged on the inner side of the transmission structure (6). The rear end of the transmission structure (6) is provided with a first cylinder (5), the outer side of the second pawl (12) is provided with a fixing block (13), and the side of the second pawl (12) away from the first pawl (9) is provided with a third pawl (14), the side of the turntable (1) is engaged with a first positioning pin (22), the outer side of the first positioning pin (22) is provided with a pin positioning frame (23), and one side of the first positioning pin (22) is provided with a second positioning pin (25), the front end of the first positioning pin (22) is installed with a second cylinder (21), and the front end of the second positioning pin (25) is installed with a third cylinder (24).

2. The automatic tapping machine according to claim 1, characterized in that: A screw (8) is provided at the bottom end of the transmission structure (6), and an inclined block (19) is engaged with the transmission structure (6); the transmission structure (6) and the ratchet (11) are fixedly connected via the inclined block (19).

3. The automatic tapping machine according to claim 1, characterized in that: A second bushing (17) is provided on the inner side of the cushion block (16), a working platform (18) is engaged on the inner side of the second bushing (17), and the cushion block (16) and the working platform (18) are engaged and fixed via the second bushing (17).

4. The automatic tapping machine according to claim 3, characterized in that: The elastic structure (10) prevents the first pawl (9) from escaping from the ratchet (11) area, the rotating disk (1) and the transmission shaft (15) are fixedly connected via pins and bolts, and the transmission shaft (15) and the working platform (18) are movably connected via a cushion block (16) and a second bushing (17).

5. The automatic tapping machine according to claim 1, characterized in that: A spring device is provided on the inner side of the fixed block (13); the transmission structure (6) and the transmission shaft (15) are movably connected via a first bushing (7) and a ball bearing; and the ratchet (11) is fixedly connected to the transmission shaft (15).

6. The automatic tapping machine according to claim 1, characterized in that: A mounting seat (4) is provided at the end of the first cylinder (5); the mounting seat (4), the fixing block (13), the positioning seat (20) and the latch positioning frame (23) are fixedly mounted to the working platform (18) by means of bolts; and the rotating shaft (3) is fixedly mounted to the rotating disk (1).

7. The automatic tapping machine according to claim 1, characterized in that: The second cylinder (21) and the first positioning pin (22), and the third cylinder (24) and the second positioning pin (25) are all fixedly mounted by bolts; a positioning groove matching the first positioning pin (22) is provided on the side of the turntable (1); and a positioning groove matching the second positioning pin (25) is provided on the side of the product carrier (2).

8. The automatic tapping machine according to claim 1, characterized in that: The ends of the second cylinder (21) and the third cylinder (24) are both installed with positioning seats (20), and the outer sides of the first positioning latch pin (22) and the second positioning latch pin (25) are both provided with latch pin positioning frames (23).

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