CN216263902U

CN216263902U - Worm machining device

Info

Publication number: CN216263902U
Application number: CN202123049000.5U
Authority: CN
Inventors: 李雪梅; 郝东治
Original assignee: Jinzhong Jingwei Yuxin Machinery Co ltd
Current assignee: Jinzhong Jingwei Yuxin Machinery Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-04-12
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a worm machining device which comprises a workbench, wherein a first motor is arranged on the workbench, a first mandrel is connected with the first motor, a second mandrel is arranged at the upper end of the first mandrel, a slotting cutter is arranged on the second mandrel, a first sliding block and a second sliding block are arranged on the workbench, a first frame plate and a second frame plate are arranged on one side of the second sliding block, a worm is arranged between the first frame plate and the second frame plate, and the worm is connected with the second motor. The first sliding block and the second sliding block are driven to move stably through the first hydraulic cylinder, the first hydraulic rod mechanism, the second hydraulic cylinder and the second hydraulic rod mechanism, the machining effect of the gear shaper cutter on the worm is guaranteed, the worm is machined through the gear shaper cutter rotating at a high speed, the gear shaper cutter is multi-tooth cutting, machining efficiency is high, the gear shaper cutter and the worm are meshed for machining, the forming precision of the spread teeth is high, the surface roughness Ra value is small, quality is high, and assembling requirements are met.

Description

Worm machining device

Technical Field

The utility model belongs to the technical field of worm machining, and particularly relates to a worm machining device.

Background

The worm and the worm wheel are matched with each other and used for transmitting the motion and the power between the staggered shafts. The existing worm is mainly machined by a lathe, in the turning process, a turning tool and the worm only have a small contact surface, threads on the worm are slowly formed along with cutting of the turning tool, the machining time is long, the machining efficiency is low, the quality is poor, and the assembling requirement is difficult to meet.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a worm machining device.

The utility model is realized by the following steps: a worm machining device comprises a workbench, wherein a frame body is vertically and fixedly arranged on one side of the upper end of the workbench and is used for fixedly supporting a support rod, the support rod is horizontally and fixedly arranged on the upper end of the frame body and used for limiting the position of a screw rod, a support is fixedly arranged on the upper end of the workbench below the support rod, a first motor is fixedly arranged in the support and used for providing power support for the rotation of a slotting cutter, a first through hole is formed in the middle of the upper end of the support, a first mandrel is arranged to penetrate through the first through hole, the lower end of the first mandrel is connected with a transmission shaft of the first motor, a second mandrel is vertically and fixedly arranged in the middle of the upper end of the first mandrel, the first mandrel and the second mandrel rotate along with the transmission shaft of the first motor and are connected with the slotting cutter through the second mandrel, and the diameter of the second mandrel is smaller than that of the first mandrel, the second mandrel is provided with the slotting cutter, the worm is machined through the high-speed rotating slotting cutter, the slotting cutter is multi-tooth cutting, the machining efficiency is high, the slotting cutter and the worm are meshed for machining, the forming precision of the spread teeth is high, the surface roughness Ra value is small, the quality is high, the assembly requirement is met, a second through hole is formed in the middle of the slotting cutter, the inner diameter of the second through hole is smaller than the outer diameter of the first mandrel, the second mandrel penetrates through the second through hole, the slotting cutter is abutted against the upper end of the first mandrel, the slotting cutter is reliably connected with the second mandrel, the first mandrel supports the slotting cutter to prevent the slotting cutter from sliding down along the first mandrel, the second mandrel is sleeved with a first fastening nut, the first fastening nut is abutted against the slotting cutter, and the first mandrel enables the slotting cutter to be firmly connected with the second mandrel through the first fastening nut and the first mandrel, the stability of the position of the slotting cutter on the second mandrel is ensured, the slotting cutter is prevented from moving in the working process, a threaded hole is formed in a support rod which is positioned right above the second mandrel, a screw rod penetrates through the threaded hole, a thimble is fixedly arranged in the middle of the lower end of the screw rod, a first groove is formed in the middle of the upper end of the second mandrel, the thimble corresponds to the first groove in position and is matched with the first groove in size, the thimble is arranged in the first groove, the position deviation of the second mandrel in the rotating process is avoided through the connection of the thimble and the first groove, so that the processing effect of the slotting cutter on the worm is influenced, when the slotting cutter needs to be replaced, the first fastening bolt is unscrewed, the screw rod is lifted from the threaded hole, the thimble is separated from the first groove, and the slotting cutter can be taken out of the second mandrel for replacement, a second fastening nut is sleeved on the screw rod above the support rod and is abutted with the upper end of the support rod to limit the position of the screw rod so as to ensure the reliable connection of the thimble and the first groove, a first hydraulic cylinder is fixedly arranged at the upper end of the workbench at one side deviating from the frame body, a first sliding block is movably arranged between the first hydraulic cylinder and the support, the first hydraulic cylinder is fixedly connected with the first sliding block through a first hydraulic rod mechanism, the first sliding block is driven to stably move along the workbench through the first hydraulic cylinder and the first hydraulic rod mechanism, the worm is close to the slotting cutter for processing, and after the processing is finished, the worm is far away from the slotting cutter for taking a workpiece of the worm, a second sliding block is movably arranged at the upper end of the first sliding block, a first clamping table is fixedly arranged at the lower end of the second sliding block, and a first clamping groove is formed at the upper end of the first sliding block, the first clamping table corresponds to the first clamping groove in position and is matched in size, the first clamping table is arranged in the first clamping groove, reliable connection of the second sliding block and the first sliding block is guaranteed, the first clamping groove serves as a moving track of the second sliding block, the moving reliability of the second sliding block is guaranteed, a second hydraulic cylinder is fixedly arranged on one side of the upper end of the workbench in the moving direction of the second sliding block, the second hydraulic cylinder is fixedly connected with the second sliding block through a second hydraulic rod mechanism, the second sliding block is driven to stably move along the first clamping groove through the second hydraulic cylinder and the second hydraulic rod mechanism, the worm moves along with the second hydraulic cylinder, continuous processing of the worm by the slotting cutter is guaranteed, a first frame plate is fixedly arranged on one side, close to the slotting cutter, of the second sliding block, a second frame plate is movably arranged on the other side, close to the slotting cutter, the first frame plate and the second frame plate are arranged in a corresponding and parallel mode, carry out the centre gripping through first frame plate and second frame plate to the worm, guarantee the stability of worm position, be provided with the worm between first frame plate and the second frame plate, one side that first frame plate deviates from the second frame plate is provided with the second motor, the transmission shaft hub connection of first frame plate and second motor is passed to the one end of worm, and the second motor provides power support for the rotation of worm, the center of worm and the center of pinion cutter are in the coplanar, guarantee the processing effect of pinion cutter to the worm.

Preferably, a second clamping table is fixedly arranged at the lower end of the first sliding block, a second clamping groove is formed in the workbench, the second clamping table corresponds to the second clamping groove in position and is matched with the second clamping groove in size, the second clamping table is arranged in the second clamping groove, the first sliding block moves along the second clamping groove, the position stability of the first sliding block is guaranteed, and the first sliding block is prevented from moving along with the movement of the second sliding block.

Preferably, the first clamping groove and the second clamping groove are perpendicular to each other, so that the stability of the moving directions of the first sliding block and the second sliding block is ensured.

Preferably, the second slider is close to second frame plate department level and is fixed and be provided with the inserted bar, is connected with the second frame plate, guarantees the stability of second frame plate position, the third through-hole has been seted up on the second frame plate, the inserted bar passes the third through-hole, the cover is equipped with third fastening nut on the inserted bar, third fastening nut supports together with the second frame plate, makes second frame plate and the firm reliable connection of inserted bar together through third fastening nut and second slider, when carrying out the change of worm, unscrews third fastening nut, with the second frame plate along the inserted bar take out can.

Preferably, a third clamping table is fixedly arranged on the inserted link and close to the second sliding block, a third clamping groove is formed in the position, located at the third through hole, of the second frame plate, the third clamping table is matched with the third clamping groove in position, corresponding to the third clamping groove in size, the position of the second frame plate is guaranteed to be stable, and the second frame plate is prevented from moving, so that the machining effect of the worm is influenced.

Preferably, a second groove is formed in the joint of the second frame plate and the worm, a first bearing is fixedly arranged in the second groove, one end of the worm is arranged in the first bearing, the outer diameter of the worm in the first bearing is the same as the inner diameter of the first bearing, the worm is guaranteed to rotate stably, the worm is prevented from shifting in position in the rotating process, and therefore the processing effect of the slotting cutter on the worm is influenced.

Preferably, a second bearing is fixedly arranged in the first through hole, and the first core shaft penetrates through the second bearing to ensure stable rotation of the first core shaft.

Preferably, the second slider is provided with a supporting plate close to the first frame plate in a horizontally fixed manner, so that the second motor is supported, the position stability of the second motor is ensured, the worm is ensured to rotate reliably, and the second motor is fixedly arranged on the supporting plate.

Preferably, the center of the first mandrel, the center of the second mandrel, the center of the slotting cutter, the center of the screw, the center of the thimble and the center of the first groove are on the same straight line, so that the stability and reliability of the rotation of the slotting cutter are ensured.

The utility model has the beneficial effects that: the worm gear expanding and shaping device is reasonable in structural design, the first hydraulic cylinder and the first hydraulic rod mechanism drive the first sliding block to stably move along the workbench, so that the worm is reliably contacted with the gear shaping cutter, the second hydraulic cylinder and the second hydraulic rod mechanism drive the second sliding block to stably move along the first clamping groove, the worm moves along with the second sliding block, the gear shaping cutter is guaranteed to continuously machine the worm, the worm is machined through the gear shaping cutter rotating at a high speed, the gear shaping cutter is multi-tooth cutting, the machining efficiency is high, the gear shaping cutter is meshed with the worm, the gear expanding and shaping precision is high, the surface roughness Ra value is small, the quality is high, and the assembling requirements are met.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic view of a connection structure of the worm and the second frame plate;

FIG. 4 is a schematic view of a connection structure of the insert rod and the second slider;

FIG. 5 is a schematic view of a connection structure of the screw and the second mandrel;

FIG. 6 is a schematic structural view of a slotting cutter;

in the figure: 1. a work table; 2. a frame body; 3. a stay bar; 4. a support; 5. a first motor; 6. a first through hole; 7. a first mandrel; 8. a second mandrel; 9. a slotting cutter; 10. a second through hole; 11. a first fastening nut; 12. a threaded hole; 13. a screw; 14. a thimble; 15. a first groove; 16. a second fastening nut; 17. a first hydraulic cylinder; 18. a first slider; 19. a first hydraulic lever mechanism; 20. a second slider; 21. a first chuck table; 22. a first card slot; 23. a second hydraulic cylinder; 24. a second hydraulic lever mechanism; 25. a first frame plate; 26. a second frame plate; 27. a worm; 28. a second motor; 29. a second chuck table; 30. a second card slot; 31. inserting a rod; 32. a third through hole; 33. a third fastening nut; 34. a third clamping table; 35. a third card slot; 36. a second groove; 37. a first bearing; 38. a second bearing; 39. and (7) a supporting plate.

Detailed Description

In order to clearly understand the technical scheme of the utility model, the utility model is further explained with reference to the attached drawings.

As shown in fig. 1-6, a worm processing device includes a work table 1, a frame body 2 is vertically and fixedly disposed on one side of the upper end of the work table 1, a support 3 is fixedly supported, a support 3 is horizontally and fixedly disposed on the upper end of the frame body 2, the position of a screw 11 is limited, a support 4 is fixedly disposed on the upper end of the work table 1 below the support 3, a first motor 5 is fixedly disposed in the support 4, and provides a power support for the rotation of a slotting cutter 9, a first through hole 6 is disposed in the middle of the upper end of the support 4, a first mandrel 7 is disposed through the first through hole 6, the lower end of the first mandrel 7 is connected with a transmission shaft of the first motor 5, a second bearing 38 is fixedly disposed in the first through hole 6, the first mandrel 7 passes through the second bearing 38 to ensure the stable rotation of the first mandrel 7, a second mandrel 8 is vertically and fixedly disposed in the middle of the upper end of the first mandrel 7, the first mandrel 7 and the second mandrel 8 rotate along with a transmission shaft of a first motor 5 and are connected with a slotting cutter 9 through the second mandrel 8, the diameter of the second mandrel 8 is smaller than that of the first mandrel 7, the slotting cutter 9 is arranged on the second mandrel 8, a worm 27 is machined through the slotting cutter 9 rotating at high speed, as the slotting cutter 9 is multi-tooth cutting, the machining efficiency is high, the slotting cutter 9 and the worm 27 are meshed for machining, the shaping precision of the spread teeth is high, the surface roughness Ra value is small, the quality is high, the assembly requirements are met, a second through hole 10 is formed in the middle of the slotting cutter 9, the inner diameter of the second through hole 10 is smaller than the outer diameter of the first mandrel 7, the second mandrel 8 penetrates through the second through hole 10, the slotting cutter 9 abuts against the upper end of the first mandrel 7, the slotting cutter 9 is reliably connected with the second mandrel 8, and the first mandrel 7 supports the slotting cutter 9, the structure is characterized in that a gear shaper cutter 9 is prevented from sliding down along a first mandrel 7, a first fastening nut 11 is sleeved on a second mandrel 8, the first fastening nut 11 and the gear shaper cutter 9 are abutted together, the gear shaper cutter 9 is firmly and reliably connected with the second mandrel 8 through the first fastening nut 11 and the first mandrel 7, the stability of the position of the gear shaper cutter 9 on the second mandrel 8 is guaranteed, the gear shaper cutter 9 is prevented from moving in the working process, a threaded hole 12 is formed in a support rod 3 which is positioned right above the second mandrel 8, a screw 13 is arranged through the threaded hole 12, a thimble 14 is fixedly arranged at the middle position of the lower end of the screw 13, a first groove 15 is formed in the middle position of the upper end of the second mandrel 8, the thimble 14 corresponds to and fits with the first groove 15 in size, the thimble 14 is arranged in the first groove 15 and is connected with the first groove 15 through the thimble 14, the position deviation of the second mandrel 8 in the rotating process is avoided, so that the processing effect of the slotting cutter 9 on the worm 27 is influenced, the center of the first mandrel 7, the center of the second mandrel 8, the center of the slotting cutter 9, the center of the screw 13, the center of the ejector pin 14 and the center of the first groove 15 are on the same straight line, the rotation stability and the reliability of the slotting cutter 9 are ensured, when the slotting cutter 9 needs to be replaced, the first fastening bolt 11 is unscrewed to lift the screw 13 from the threaded hole 12, the ejector pin 14 is separated from the first groove 15 at the moment, the slotting cutter 9 can be taken out from the second mandrel 8 for replacement, the screw 13 above the support rod 3 is sleeved with the second fastening nut 16, the second fastening nut 16 is abutted against the upper end of the support rod 3, the position of the screw 13 is limited, and the reliable connection of the ejector pin 14 and the first groove 15 is ensured, a first hydraulic cylinder 17 is fixedly arranged at the upper end of the workbench 1 on one side departing from the frame body 2, a first sliding block 18 is movably arranged between the first hydraulic cylinder 17 and the support 4, the first hydraulic cylinder 17 is fixedly connected with the first sliding block 18 through a first hydraulic rod mechanism 19, the first sliding block 18 is driven to stably move along the workbench 1 through the first hydraulic cylinder 17 and the first hydraulic rod mechanism 19, the worm 27 is enabled to approach the slotting cutter 9 for processing, after the processing is finished, the worm 27 is enabled to be far away from the slotting cutter 9 for taking a workpiece of the worm 27, a second clamping table 29 is fixedly arranged at the lower end of the first sliding block 18, a second clamping groove 30 is arranged on the workbench 1, the second clamping table 29 corresponds to and fits with the second clamping groove 30 in size, the second clamping table 29 is arranged in the second clamping groove 30, the first sliding block 18 moves along the second clamping groove 30, the position of the first slider 18 is ensured to be stable, the first slider 18 is prevented from moving along with the movement of the second slider 20, the second slider 20 is movably arranged at the upper end of the first slider 18, the first clamping table 21 is fixedly arranged at the lower end of the second slider 20, the first clamping groove 22 is formed at the upper end of the first slider 18, the first clamping table 21 corresponds to the first clamping groove 22 in position and is matched with the first clamping groove 22 in size, the first clamping table 21 is arranged in the first clamping groove 22, reliable connection between the second slider 20 and the first slider 18 is ensured, the first clamping groove 22 serves as a moving track of the second slider 20, the moving reliability of the second slider 20 is ensured, the second hydraulic cylinder 23 is fixedly arranged on one side of the upper end of the workbench 1 in the moving direction of the second slider 20, the second hydraulic cylinder 23 is fixedly connected with the second slider 20 through the second hydraulic rod mechanism 24, and the second hydraulic rod mechanism 23 drive the second slider 20 to move stably along the first clamping groove 22 The worm 27 moves along with the movement of the worm 27, so that the continuous processing of the worm 27 by the slotting cutter 9 is ensured, the first slot 22 and the second slot 30 are perpendicular to each other, the stability of the moving directions of the first slider 18 and the second slider 20 is ensured, one side of the second slider 20 close to the slotting cutter 9 is fixedly provided with a first frame plate 25, the other side of the second slider 20 close to the slotting cutter 9 is movably provided with a second frame plate 26, the second slider 20 close to the second frame plate 26 is horizontally and fixedly provided with an inserted bar 31 which is connected with the second frame plate 26 to ensure the stability of the position of the second frame plate 26, the second frame plate 26 is provided with a third through hole 32, the inserted bar 31 passes through the third through hole 32, the inserted bar 31 is sleeved with a third fastening nut 33, the third fastening nut 33 is abutted against the second frame plate 26, and the second frame plate 26 is firmly and reliably connected with the inserted bar 31 through the third fastening nut 33 and the second slider 20, when the worm 27 is replaced, the third fastening nut 33 is unscrewed, the second frame plate 26 is taken out along the insert rod 31, a third clamping table 34 is fixedly arranged on the insert rod 31 near the second slider 20, a third clamping groove 35 is formed in the second frame plate 26 at the position of the third through hole 32, the third clamping table 34 corresponds to the third clamping groove 35 in size, the position of the second frame plate 26 is ensured to be stable, the second frame plate 26 is prevented from moving in position, the processing effect of the worm 27 is influenced, the first frame plate 25 and the second frame plate 26 are arranged in parallel and correspond to each other, the worm 27 is clamped through the first frame plate 25 and the second frame plate 26, the position of the worm 27 is ensured to be stable, the worm 27 is arranged between the first frame plate 25 and the second frame plate 26, the second motor 28 is arranged on one side of the first frame plate 25, which is far away from the second frame plate 26, one end of the worm 27 passes through the first frame plate 25 to be connected with a transmission shaft of the second motor 28, the second motor 28 provides power support for the rotation of the worm 27, a supporting plate 39 is horizontally and fixedly arranged at a position, close to the first frame plate 25, of the second slider 20 to bear the second motor 28, so as to ensure the position stability of the second motor 28, and thus ensure the reliable rotation of the worm 27, the second motor 28 is fixedly arranged on the supporting plate 39, a second groove 36 is formed at the joint of the second frame plate 26 and the worm 27, a first bearing 37 is fixedly arranged in the second groove 36, one end of the worm 27 is arranged in the first bearing 37, the outer diameter of the worm 27 in the first bearing 37 is the same as the inner diameter of the first bearing 37, so as to ensure the stable rotation of the worm 27, avoid the position deviation of the worm 27 in the rotation process, and thus influence the processing effect of the slotting cutter 9 on the worm 27, the center of the worm 27 and the center of the pinion cutter 9 are in the same plane, so that the processing effect of the pinion cutter 9 on the worm 27 is ensured.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.

Claims

1. A worm machining device comprises a workbench and is characterized in that a frame body is vertically and fixedly arranged on one side of the upper end of the workbench, a support rod is horizontally and fixedly arranged at the upper end of the frame body, a support is fixedly arranged at the upper end of the workbench below the support rod, a first motor is fixedly arranged in the support, a first through hole is formed in the middle position of the upper end of the support, a first mandrel is arranged in a manner of penetrating through the first through hole, the lower end of the first mandrel is connected with a transmission shaft of the first motor, a second mandrel is vertically and fixedly arranged in the middle position of the upper end of the first mandrel, the diameter of the second mandrel is smaller than that of the first mandrel, a slotting cutter is arranged on the second mandrel, a second through hole is formed in the middle position of the slotting cutter, the inner diameter of the second through hole is smaller than the outer diameter of the first mandrel, the second mandrel penetrates through the second through hole, and the slotting cutter is abutted against the upper end of the first mandrel, the second mandrel is sleeved with a first fastening nut, the first fastening nut is abutted with the slotting cutter, a threaded hole is formed in a support rod positioned right above the second mandrel, a screw rod is arranged through the threaded hole, a thimble is fixedly arranged at the middle position of the lower end of the screw rod, a first groove is formed in the middle position of the upper end of the second mandrel, the thimble corresponds to the first groove in position and is matched with the first groove in size, the thimble is arranged in the first groove, a second fastening nut is sleeved on the screw rod above the support rod, the second fastening nut is abutted with the upper end of the support rod, a first hydraulic cylinder is fixedly arranged at the upper end of the workbench at one side deviating from the frame body, a first sliding block is movably arranged between the first hydraulic cylinder and the support, the first hydraulic cylinder is fixedly connected with the first sliding block through a first hydraulic rod mechanism, and a second sliding block is movably arranged at the upper end of the first sliding block, the lower end of the second sliding block is fixedly provided with a first clamping platform, the upper end of the first sliding block is provided with a first clamping groove, the first clamping platform corresponds to the first clamping groove in position and is matched with the first clamping groove in size, the first clamping platform is arranged in the first clamping groove, one side of the upper end of the workbench in the moving direction of the second sliding block is fixedly provided with a second hydraulic cylinder, the second hydraulic cylinder is fixedly connected with a second sliding block through a second hydraulic rod mechanism, one side of the second sliding block, which is close to the slotting cutter, is fixedly provided with a first frame plate, the other side of the second sliding block, which is close to the slotting cutter, is movably provided with a second frame plate, the first frame plate and the second frame plate are arranged in corresponding and parallel positions, a worm is arranged between the first frame plate and the second frame plate, one side of the first frame plate, which is far away from the second frame plate, one end of the worm penetrates through the transmission shaft of the first frame plate and the second motor, the center of the worm and the center of the pinion cutter are in the same plane.

2. The worm machining device according to claim 1, wherein a second clamping table is fixedly disposed at a lower end of the first slider, a second clamping groove is formed in the workbench, the second clamping table corresponds to the second clamping groove in position and is matched with the second clamping groove in size, and the second clamping table is disposed in the second clamping groove.

3. The worm machining device of claim 2, wherein the first and second detents are positioned perpendicular to each other.

4. The worm machining device according to claim 1, wherein an insert rod is horizontally and fixedly disposed on the second slider near the second frame plate, a third through hole is formed in the second frame plate, the insert rod passes through the third through hole, a third fastening nut is sleeved on the insert rod, and the third fastening nut abuts against the second frame plate.

5. The worm machining device according to claim 4, wherein a third clamping table is fixedly arranged on the insertion rod near the second sliding block, a third clamping groove is formed in the second frame plate at the third through hole, and the third clamping table corresponds to the third clamping groove in position and is matched with the third clamping groove in size.

6. The worm machining device according to claim 1, wherein a second groove is formed at a connection portion of the second frame plate and the worm, a first bearing is fixedly arranged in the second groove, one end of the worm is arranged in the first bearing, and an outer diameter of the worm in the first bearing is the same as an inner diameter of the first bearing.

7. The worm machining device according to claim 1, wherein a second bearing is fixedly disposed in the first through hole, and the first spindle passes through the second bearing.

8. The worm machining device according to claim 1, wherein a support plate is horizontally and fixedly disposed on the second slide block near the first frame plate, and the second motor is fixedly disposed on the support plate.

9. The worm machining device according to claim 1, wherein the center of the first spindle, the center of the second spindle, the center of the pinion cutter, the center of the screw, the center of the thimble, and the center of the first recess are collinear.