A tooth pressing machine for indexable hob rings

Abstract

The present invention relates to the technical field of tooth pressing machines, and discloses a tooth pressing machine for a insert tooth hob ring, which includes a bottom plate. The upper surface of the bottom plate is fixedly connected with a column. Support components are installed on both sides of the column on the upper surface of the bottom plate. A limiting groove penetrates through the front surface of the column. A tooling for fixing the hob ring is slidably connected inside the limiting groove. A hob ring is sleeved outside the tooling for fixing the hob ring. The upper surface of the column is fixedly connected with a slide plate track. A guide sleeve is installed on the lower surface of the slide plate track, and an oil cylinder slide plate is slidably connected inside the slide plate track. By means of the support components, the present invention can increase the stability of the tooth pressing machine during the working process, prevent it from shaking left and right, reduce potential safety hazards, and can be stored after use without occupying the surrounding space. Moreover, the tooth pressing machine is simple to manufacture and low in cost. It is simple to operate and easy to maintain. It is convenient to use and can be suitable for insert tooth hob rings of various sizes.

Description

Technical Field

[0001] The present invention relates to the technical field of tooth pressing machines, and in particular to a tooth pressing machine for an insert tooth hob cutter ring. Background Technique

[0002] Existing shield cutters and pipe jacking cutters are divided into insert alloy tooth cutters and non-insert tooth cutters. The production of insert tooth cutters generally adopts an interference fit between the alloy teeth and the tooth holes, and the interference amount is generally 0.04 - 0.06 mm. It is rather difficult to press the alloy teeth in. Currently, a press for tooth pressing and a hammering pressing method are generally used. When pressing with a press, it is relatively difficult to control the perpendicularity between the alloy teeth and the holes, and it is easy to press them out of place, resulting in alloy teeth. The hammering method is even more likely to cause the alloy teeth to crack. Moreover, when the existing tooth pressing machines are in use, the stability is not high enough, and they are prone to left and right shaking phenomena, posing certain potential safety hazards. Therefore, the technical personnel in this field provide a tooth pressing machine for an insert tooth hob cutter ring to solve the problems raised in the above background technique. Summary of the Invention

[0003] The purpose of the present invention is to provide a tooth pressing machine for an insert tooth hob cutter ring to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the present invention provides the following technical solutions:

[0005] A tooth pressing machine for a inserted-tooth hob cutter ring, comprising a bottom plate, wherein a column is fixedly connected to the upper surface of the bottom plate; support assemblies are installed on both sides of the column close to the upper surface of the bottom plate, and each support assembly includes a support plate, a first rack, a cylinder, a second rack, a telescopic rod, a limit ring, a spring and a limit block; the support plate is slidably connected to the inside of a placement groove; the first racks are fixedly connected to the upper surface of the support plate at equal intervals; the second rack is engaged between adjacent first racks; the telescopic rod is fixedly connected to the top of the second rack; the limit ring is fixedly sleeved on the outside of the telescopic rod; the top of the telescopic rod is fixedly connected to the limit block; the spring is also movably sleeved on the outside of the telescopic rod; the cylinder is movably sleeved on the outside of the limit ring; two placement grooves are further formed in the rear surface of the bottom plate; a limit groove penetrates through the front surface of the column; a cutter ring fixing tooling is slidably connected to the inside of the limit groove; a cutter ring is sleeved on the outside of the cutter ring fixing tooling; tooth holes are formed in the outer circumferential surface of the cutter ring; a slide plate track is fixedly connected to the upper surface of the column; a guide sleeve is installed on the lower surface of the slide plate track; an oil cylinder slide plate is slidably connected to the inside of the slide plate track; a controller is fixedly connected to the outside of the slide plate track; an adjusting nut is further threadedly connected to the rear surface of the slide plate track; a telescopic oil cylinder is fixedly connected to the upper surface of the oil cylinder slide plate; a hydraulic station is connected to the rear side of the telescopic oil cylinder; the telescopic end of the telescopic oil cylinder penetrates through the inside of the oil cylinder slide plate and the slide plate track and is connected to a pressing head; an alloy tooth movably connected to the guide sleeve penetrates through the inside of the guide sleeve; an installation block and a fixing seat are fixedly connected to the rear surface of the column in sequence from top to bottom; a servo motor is fixedly connected to the upper surface of the fixing seat; a fastening seat is fixedly connected to the rear surface of the cutter ring fixing tooling; and a threaded rod is connected to the driving end of the servo motor.

[0006] As a further scheme of the present invention: the telescopic rod penetrates through the top and bottom of the cylinder and is slidably connected thereto, and the bottom end of the telescopic rod further penetrates through the upper surface of the bottom plate and is slidably connected thereto.

[0007] As a further scheme of the present invention: the spring is located inside the cylinder, and the cylinder is fixedly connected to the upper surface of the bottom plate.

[0008] As a further scheme of the present invention: the first rack and the support plate are both located inside the placement groove, and the support plate is of an "L" shaped structure.

[0009] As a further scheme of the present invention: a groove is further formed in the lower surface of the slide plate track, the pressing head is located inside the groove and is slidably connected to the groove, and the groove is longitudinally arranged from front to back.

[0010] As a further solution of the present invention: One end of the adjusting nut penetrates through the rear surface of the slide rail and is rotatably connected to the rear surface of the oil cylinder slide through a bearing.

[0011] As a further solution of the present invention: The top end of the threaded rod is rotatably connected to the lower surface of the mounting block through a bearing, and the fastening seat is threadedly sleeved on the outside of the threaded rod.

[0012] As a further solution of the present invention: A guiding angle of 2 mm is integrally formed at the bottom of the alloy tooth, and a limiting bracket fixedly connected between the lower surface of the slide rail and the top of the guiding sleeve also slides inside the groove.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: The present invention can increase the stability of the tooth pressing machine during operation through the support assembly, prevent it from shaking left and right, reduce potential safety hazards, and can be stored after use without occupying surrounding space. Moreover, the tooth pressing machine is simple to manufacture and has low cost. It is easy to operate and maintain. It is convenient to use and can be suitable for insert tooth cutter rings of various sizes. Description of the Drawings

[0014] Figure 1 It is a schematic structural diagram of an insert tooth hob cutter ring tooth pressing machine;

[0015] Figure 2 It is a side view of an insert tooth hob cutter ring tooth pressing machine;

[0016] Figure 3 It is a front view of an insert tooth hob cutter ring tooth pressing machine;

[0017] Figure 4 It is a schematic structural diagram of a guiding sleeve in an insert tooth hob cutter ring tooth pressing machine;

[0018] Figure 5 It is a schematic structural diagram of a support assembly in an insert tooth hob cutter ring tooth pressing machine.

[0019] In the figure: 1, hydraulic station; 2, adjusting nut; 3, telescopic oil cylinder; 4, controller; 5, oil cylinder slide; 6, slide rail; 7, pressure head; 9, alloy tooth; 10, guiding sleeve; 11, cutter ring; 12, cutter ring fixing tooling; 13, column; 14, tooth hole; 15, support assembly; 16, bottom plate; 17, mounting block; 18, threaded rod; 19, fastening seat; 20, limiting groove; 21, servo motor; 22, fixed seat; 23, support plate; 24, first rack; 25, cylinder body; 26, second rack; 27, telescopic rod; 28, limiting ring; 29, spring; 30, limiting block; 31, placement groove. Detailed Embodiments

[0020] Please refer toFigures 1 to 5 , in the embodiment of the present invention, a tooth - inserting hob cutter ring tooth - pressing machine includes a bottom plate 16. A column 13 is fixedly connected to the upper surface of the bottom plate 16. Support assemblies 15 are installed on both sides of the column 13 near the upper surface of the bottom plate 16. The support assembly 15 includes a support plate 23, a first rack 24, a cylinder 25, a second rack 26, a telescopic rod 27, a limiting ring 28, a spring 29 and a limiting block 30. A support plate 23 is slidably connected inside a placement groove 31. One end of the lower surface of the support plate 23 is on the same horizontal line as the lower surface of the bottom plate 16. First racks 24 are fixedly connected to the upper surface of the support plate 23 at equal intervals. A second rack 26 is engaged between adjacent first racks 24. The top of the second rack 26 is fixedly connected to a telescopic rod 27. A limiting ring 28 is fixedly sleeved on the outside of the telescopic rod 27, and the top of the telescopic rod 27 is fixedly connected to a limiting block 30. A spring 29 is also movably sleeved on the outside of the telescopic rod 27. A cylinder 25 is movably sleeved on the outside of the limiting ring 28. Two placement grooves 31 are also formed on the rear surface of the bottom plate 16. The telescopic rod 27 penetrates through the top and bottom of the cylinder 25 and is slidably connected thereto. The bottom end of the telescopic rod 27 also penetrates through the upper surface of the bottom plate 16 and is slidably connected thereto. The spring 29 is located inside the cylinder 25. The cylinder 25 is fixedly connected to the upper surface of the bottom plate 16. The first rack 24 and the support plate 23 are both located inside the placement groove 31. The support plate 23 is in an "L" - shaped structure. Through the support assembly 15, the stability of the tooth - pressing machine during operation can be increased, preventing it from shaking left and right, reducing potential safety hazards, and it can also be stored after use without occupying surrounding space.

[0021] In Figure 1 , Figure 2 , Figure 3 and Figure 4In the middle: A limiting groove 20 runs through the front surface of the column 13. A cutter ring fixing tooling 12 is slidably connected inside the limiting groove 20. A cutter ring 11 is sleeved outside the cutter ring fixing tooling 12. Tooth holes 14 are formed on the outer circumferential surface of the cutter ring 11. A slide plate track 6 is fixedly connected to the upper surface of the column 13. A groove is also formed on the lower surface of the slide plate track 6. The pressing head 7 is located inside the groove and is slidably connected to the groove. The groove is longitudinally arranged from front to back. A guide sleeve 10 is installed on the lower surface of the slide plate track 6. An oil cylinder slide plate 5 is slidably connected inside the slide plate track 6. A controller 4 is fixedly connected to the outside of the slide plate track 6. An adjusting nut 2 is also threadedly connected to the rear surface of the slide plate track 6. One end of the adjusting nut 2 runs through the rear surface of the slide plate track 6 and is rotatably connected to the rear surface of the oil cylinder slide plate 5 through a bearing. A telescopic oil cylinder 3 is fixedly connected to the upper surface of the oil cylinder slide plate 5. A hydraulic station 1 is connected to the rear side of the telescopic oil cylinder 3. The telescopic end of the telescopic oil cylinder 3 runs through the inside of the oil cylinder slide plate 5 and the slide plate track 6 and is connected to the pressing head 7. An alloy tooth 9 that is movably connected to itself runs through the inside of the guide sleeve 10. A guide angle of 2 mm is integrally formed at the bottom of the alloy tooth 9. A limiting bracket that is fixedly connected between the lower surface of the slide plate track 6 and the top of the guide sleeve 10 also slides inside the groove. An installation block 17 and a fixed seat 22 are fixedly connected to the rear surface of the column 13 from top to bottom in sequence. A servo motor 21 is fixedly connected to the upper surface of the fixed seat 22. A fastening seat 19 is fixedly connected to the rear surface of the cutter ring fixing tooling 12. A threaded rod 18 is connected to the driving end of the servo motor 21. The model of the servo motor 21 is ACSM110 - G04030LZ. The top of the threaded rod 18 is rotatably connected to the lower surface of the installation block 17 through a bearing. The fastening seat 19 is threadedly sleeved outside the threaded rod 18.

[0022] The working principle of the present invention is as follows: First, the user holds the limit block 30 with the hand and moves it upward. At this time, the limit ring 28 can be driven to move within the cylinder body 25, and at this time, the deformation amount of the spring 29 increases. Then, hold one end of the support plate 23 with the hand and pull it backward. When it moves to an appropriate position, release the limit block 30. Under the action of the spring 29, the limit ring 28 and the telescopic rod 27 can be driven to move downward at this time, and then drive the second rack 26 to move downward until the second rack 26 moves between the two first racks 24 to obtain locking. At this time, the support plate 23 is fixed. When it is used up, the user lifts the limit block 30 upward, and then moves the support plate 23 and the first rack 24 into the placement groove 31, thus completing the storage. Therefore, through the support assembly 15, the stability of the press-tooth machine during the working process can be increased, preventing it from shaking left and right, reducing potential safety hazards, and it can also be stored after use without occupying the surrounding space. Then, the user fixes the cutter ring 11 through the cutter ring fixing tooling 12, and controls the servo motor 21 to work through the controller 4. When the servo motor 21 rotates forward, it can drive the fastening seat 19 and the cutter ring fixing tooling 12 to move upward, and then drive the cutter ring 11 to move upward. Similarly, when the servo motor 21 rotates in reverse, it can drive the fastening seat 19 and the cutter ring fixing tooling 12 to move downward, and then drive the cutter ring 11 to move downward, so as to adjust the gap between the tooth holes 14 on the edge of the cutter ring 11 and the guide sleeve 10 to ensure that the distance in the up and down direction is appropriate. Then, rotate the adjusting nut 2 to adjust the front and back movement of the oil cylinder slide plate 5 to ensure that the punch head 7 and the guide sleeve 10 fixed on the oil cylinder slide plate 5 are aligned with the tooth holes 14 in the front and back directions. Then lock the oil cylinder slide plate 5. At this time, the up and down and front and back directions are already aligned. Then, put the alloy teeth 9 into the guide sleeve 10. Since there is a 2mm guide angle at the bottom of the alloy teeth 9, rotate the cutter ring 11. When the tooth holes 14 on the cutter ring 11 are aligned with the alloy teeth 9, the alloy will fall into the tooth holes 14 by about 2mm. At this time, the tooth holes 14 and the alloy are already aligned. Then, control the telescopic oil cylinder 3 to push the punch head 7 through the controller 4 to press the alloy teeth 9 into the bottom.

[0023] The above-mentioned is only the preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A tooth pressing machine for a indexable hob ring, comprising a bottom plate (16), characterized in that, a column (13) is fixedly connected to the upper surface of the bottom plate (16), and support assemblies (15) are installed on both sides of the upper surface of the bottom plate (16) near the column (13). The support assembly (15) includes a support plate (23), a first rack (24), a cylinder (25), a second rack (26), a telescopic rod (27), a limit ring (28), a spring (29) and a limit block (30). Two placement grooves (31) are further formed on the rear surface of the bottom plate (16). The support plate (23) is slidably connected to the inside of the placement groove (31). The first racks (24) are fixedly connected to the upper surface of the support plate (23) at equal intervals. The second rack (26) is engaged between adjacent first racks (24). The telescopic rod (27) is fixedly connected to the top of the second rack (26). The limit ring (28) is fixedly sleeved on the outside of the telescopic rod (27), and the limit block (30) is fixedly connected to the top end of the telescopic rod (27). The spring (29) is also movably sleeved on the outside of the telescopic rod (27). The cylinder (25) is movably sleeved on the outside of the limit ring (28). A limit groove (20) penetrates through the front surface of the column (13). A tooling for fixing the ring (12) is slidably connected to the inside of the limit groove (20). A hob ring (11) is sleeved on the outside of the tooling for fixing the ring (12). Tooth holes (14) are formed on the outer circumferential surface of the hob ring (11). A slide plate track (6) is fixedly connected to the upper surface of the column (13). A guide sleeve (10) is installed on the lower surface of the slide plate track (6). An oil cylinder slide plate (5) is slidably connected to the inside of the slide plate track (6). A controller (4) is fixedly connected to the outside of the slide plate track (6). An adjusting nut (2) is further threadedly connected to the rear surface of the slide plate track (6). A telescopic oil cylinder (3) is fixedly connected to the upper surface of the oil cylinder slide plate (5). A hydraulic station (1) is connected to the rear side of the telescopic oil cylinder (3). The telescopic end of the telescopic oil cylinder (3) penetrates through the inside of the oil cylinder slide plate (5) and the slide plate track (6) and is connected to a pressing head (7). An alloy tooth (9) movably connected to itself penetrates through the inside of the guide sleeve (10). An installation block (17) and a fixed seat (22) are fixedly connected to the rear surface of the column (13) in sequence from top to bottom. A servo motor (21) is fixedly connected to the upper surface of the fixed seat (22). A fastening seat (19) is fixedly connected to the rear surface of the tooling for fixing the ring (12). A threaded rod (18) is connected to the driving end of the servo motor (21); the telescopic rod (27) penetrates through the top and bottom of the cylinder (25) and is slidably connected to it, and the bottom end of the telescopic rod (27) also penetrates through the upper surface of the bottom plate (16) and is slidably connected to it; the spring (29) is located inside the cylinder (25), and the cylinder (25) is fixedly connected to the upper surface of the bottom plate (16); The top end of the threaded rod (18) is rotatably connected to the lower surface of the mounting block (17) through a bearing, and the fastening seat (19) is threadedly sleeved on the outside of the threaded rod (18).

2. A tooth pressing machine for a tipped hob cutter ring according to claim 1, characterized in that the first rack (24) and the support plate (23) are both located inside the placement groove (31), and the support plate (23) is in an "L" shape structure.

3. A tooth pressing machine for a tipped hob cutter ring according to claim 1, characterized in that a groove is further formed on the lower surface of the slide plate track (6), the pressing head (7) is located inside the groove and is slidably connected to the groove, and the groove is longitudinally arranged from front to back.

4. A tooth pressing machine for a tipped hob cutter ring according to claim 1, characterized in that one end of the adjusting nut (2) penetrates through the rear surface of the slide plate track (6) and is rotatably connected to the rear surface of the oil cylinder slide plate (5) through a bearing.

5. A tooth pressing machine for a tipped hob cutter ring according to claim 3, characterized in that a 2-mm guiding angle is integrally formed at the bottom of the alloy tooth (9), and a limiting bracket fixedly connected between the lower surface of the slide plate track (6) and the top of the guiding sleeve (10) is further slidable inside the groove.

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