CN211248635U - Angle alignment device of worm gear hobbing - Google Patents
Angle alignment device of worm gear hobbing Download PDFInfo
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- CN211248635U CN211248635U CN201921276112.4U CN201921276112U CN211248635U CN 211248635 U CN211248635 U CN 211248635U CN 201921276112 U CN201921276112 U CN 201921276112U CN 211248635 U CN211248635 U CN 211248635U
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Abstract
The utility model provides an angle aligning device of worm gear hobbing, including servo chuck and tooth mould subassembly, tooth mould subassembly is including feeding cylinder and meshing tooth mould, the meshing tooth mould has meshing spiral tooth. The utility model fixes and drives the worm to rotate through the servo chuck; meanwhile, the meshing tooth die is pushed through the feeding cylinder, so that the spiral teeth of the worm are gradually matched with the meshing spiral teeth of the meshing tooth die, automatic angle alignment is achieved, labor cost is reduced, labor intensity of personnel is reduced, alignment quality is guaranteed, and working efficiency is improved.
Description
Technical Field
The utility model relates to a worm processing field especially relates to an angle aligning device of worm gear hobbing.
Background
The worm is one of the core parts in the automatic clearance adjusting arm for the vehicle, and plays a role in transmission work and clearance adjustment in the automatic clearance adjusting arm. The whole worm is of a cold extrusion spiral structure, and machining, heat treatment and spiral tooth finish machining are needed after cold extrusion.
At present, grinding or gear hobbing is generally adopted for finish machining of spiral teeth after heat treatment, and workpieces need to be taken manually for feeding and discharging; and during the material loading, need manual alignment to make worm helical tooth and tooth mould meshing for manual operation working strength is big, and is inefficient, and also easily produces the problem of missing judgement, erroneous judgement.
Disclosure of Invention
In order to solve the problem, the utility model provides an angle aligning device of worm gear hobbing.
The main contents of the utility model include:
an angle alignment device of worm hobbing, wherein a worm comprises an excircle part, spiral teeth, clutch bevel teeth and a hexagonal part and comprises a servo chuck and a tooth die assembly, the servo chuck drives the worm to rotate, the servo chuck comprises a chuck support, a servo motor arranged on the chuck support and a chuck rotating shaft driven to rotate by the servo motor, and the excircle part of the worm is connected with the chuck rotating shaft; the tooth die assembly comprises a feeding cylinder, an engaging slide rail and an engaging tooth die, and the feeding cylinder drives the engaging tooth die to move towards or away from the servo chuck; the meshing tooth die comprises a meshing body and a meshing through hole formed in the meshing body, meshing spiral teeth are formed in the inner wall of the meshing through hole, and the meshing spiral teeth are matched with spiral teeth of a worm to be aligned.
Preferably, the meshing tooth die comprises two meshing half dies, semicircular meshing tooth grooves are formed in the opposite surfaces of the meshing half dies, meshing half teeth are formed in the inner walls of the two meshing tooth grooves, and the meshing half teeth in the two meshing tooth grooves are spliced into the meshing spiral teeth.
Preferably, the meshing slide rail is provided with a meshing support in a sliding manner, the meshing support is provided with an opening and closing slide rail, the opening and closing slide rail is perpendicular to the meshing slide rail, and the two meshing half moulds are close to or far away from the opening and closing slide rail.
Preferably, the tooth die assembly further comprises two opening and closing cylinders, a piston rod of each opening and closing cylinder is connected with the meshing half die, and the opening and closing cylinders drive the meshing half die to slide along the opening and closing slide rails.
Preferably, the length measuring device further comprises a length measuring assembly, the length measuring assembly comprises a measuring support and a contact type displacement sensor, the measuring support is arranged on the engaging slide rail in a sliding mode and located on the outer side of the engaging support, and the contact type displacement sensor is arranged on the measuring support.
Preferably, the length measuring assembly further comprises a buffer module, wherein the buffer module comprises a first buffer plate, a second buffer plate, a buffer rod and a buffer spring; the first buffer plate is fixedly arranged on the engagement bracket, the second buffer plate is fixedly arranged on the measurement bracket, and one end of the buffer rod is fixed on the first buffer plate and penetrates through the second buffer plate; the buffer spring is sleeved at the other end of the buffer rod and is located on one surface, away from the first buffer plate, of the second buffer plate.
Preferably, a limiting assembly is further arranged below the meshing support and comprises a limiting cylinder, a limiting plate and two limiting guide pillars, the limiting guide pillars are fixedly arranged on the limiting plate, a limiting through hole is formed in the meshing support, and the limiting guide pillars penetrate through the limiting through hole; the limiting cylinder drives the limiting plate to drive the limiting guide pillar to move up and down.
Preferably, an in-place sensor is arranged on one side of the engaging slide rail.
Preferably, two meshing mounting panels and spliced pole of meshing support lower surface one side downwardly extending, feed a piston rod fixedly connected with connecting plate of cylinder, connect the via hole has been seted up on the connecting plate, the spliced pole passes connect the via hole, just the both ends fixed connection of spliced pole is on two meshing mounting panels, the cover is equipped with coupling spring on the spliced pole, coupling spring is located the connecting plate with be close to between servo chuck's the meshing mounting panel.
Preferably, the gear die assembly further comprises a visual inspection assembly, wherein the visual inspection assembly is arranged on one side of the gear die assembly and comprises a visual support and a camera.
The beneficial effects of the utility model reside in that: the utility model provides an angle alignment device of worm gear hobbing, which is fixed by a servo chuck and drives a worm to rotate; meanwhile, the meshing tooth die is pushed through the feeding cylinder, so that the spiral teeth of the worm are gradually matched with the meshing spiral teeth of the meshing tooth die, automatic angle alignment is achieved, labor cost is reduced, labor intensity of personnel is reduced, alignment quality is guaranteed, and working efficiency is improved.
Drawings
FIG. 1 is a schematic view of a worm;
fig. 2 is a schematic view of the overall structure of the utility model;
FIG. 3 is a schematic diagram of a servo chuck;
FIG. 4 is a schematic view of the tooth die assembly, the length measuring assembly and the vision inspection assembly.
Detailed Description
The technical solution protected by the present invention will be specifically described below with reference to the accompanying drawings.
The utility model provides an angle aligning device of worm gear hobbing for carry out the angle alignment to the worm before accurate gear hobbing, as shown in figure 1, the worm includes excircle portion 1-1, helical tooth 1-2, separation and reunion awl tooth 103 and hexagonal portion 1-4, the angle alignment, namely make the helical tooth 1-2 of worm and the spiral of tooth mould counterpoint the meshing.
Please refer to fig. 2 to 4. The utility model discloses an angle aligning device includes servo chuck 1 and tooth mould subassembly, servo chuck 1 drives the worm and rotates, servo chuck 1 includes chuck support 10, sets up servo motor 11 on chuck support 10 and by servo motor 11 drive pivoted chuck pivot 12, the excircle portion 1-1 of worm with chuck pivot 12 is connected, servo motor 11 drive chuck pivot 12 drives the worm rotates with certain speed; and the tooth die assembly comprises a feeding air cylinder 20, an engaging slide rail 21 and an engaging tooth die 22, wherein the feeding air cylinder 20 drives the engaging tooth die 22 to move towards or away from the servo chuck 1, namely, the tooth die assembly can move towards the servo chuck 1, so that the spiral teeth of the rotating worm are gradually engaged with the engaging tooth die 22.
As shown in fig. 2 and 4, the meshing tooth die 22 includes a meshing body and a meshing through hole 221 formed in the meshing body, the inner wall of the meshing through hole 221 is provided with a meshing helical tooth 222, and the meshing helical tooth 222 is adapted to the helical tooth 1-2 of the worm to be aligned.
In one embodiment, the meshing tooth mold comprises two meshing half molds 220-1, that is, the two meshing half molds 220-1 constitute the meshing body, the opposite surfaces of the meshing half molds 220-1 are provided with semicircular meshing tooth grooves, the inner walls of the two meshing tooth grooves are provided with meshing half teeth, and the meshing half teeth in the two meshing tooth grooves are spliced into the meshing helical teeth 222.
Furthermore, the engaging slide rail 21 is slidably provided with an engaging support 23, the engaging support 23 is provided with an opening and closing slide rail 24, wherein the opening and closing slide rail 24 is perpendicular to the engaging slide rail 21, the two engaging half molds 220-1 are close to or far away from each other along the opening and closing slide rail 24, the tooth mold assembly further comprises two opening and closing cylinders 25, a piston rod of each opening and closing cylinder 25 is connected with the engaging half mold 220-1, the opening and closing cylinders 25 drive the engaging half molds 220-1 to slide along the opening and closing slide rail 24, and the opening and closing cylinders 25 drive the engaging half molds 220-1 to be close to each other to close the molds or to be far away from each other to open the molds.
In one embodiment, a limiting assembly is further disposed below the engaging bracket 23, the limiting assembly includes a limiting cylinder 270, a limiting plate 271 and two limiting guide pillars 272, the limiting guide pillars 272 are fixedly disposed on the limiting plate 271, a limiting through hole is formed in the engaging bracket 23, and the limiting guide pillars 272 pass through the limiting through hole; the limiting cylinder 270 drives the limiting plate 271 to drive the limiting guide post 272 to move up and down.
The meshing process of the worm and the meshing gear mold comprises the following steps that firstly, a servo chuck drives the worm to rotate at a certain speed, the opening and closing cylinder 25 drives the two meshing half molds 220-1 to realize mold closing, at the moment, the limiting cylinder 270 drives the limiting guide pillar 272 to move upwards to tightly push the meshing half molds 220-1, so that the position of the meshing half molds 220-1 is prevented from moving, the stability in the subsequent screwing process is ensured, and the meshing precision is ensured; then the feeding cylinder 20 drives the meshing bracket 23 to move towards the direction of the servo chuck 1, so that the spiral teeth 1-2 of the worm are in contact with the meshing spiral teeth 222, at the moment, the worm continues to rotate at a low speed under the driving of the servo chuck, and the feeding cylinder 20 continues to advance, so that the worm is completely selected into the meshing tooth die 222, and after the worm rotates to the position, meshing is finished.
In one embodiment, as shown in fig. 2, a position sensor 28 is disposed on one side of the engaging slide rail 21, and when the worm is screwed in position, the position sensor 28 can sense and send a signal to a control mechanism, and the control mechanism can control the feeding cylinder to stop advancing.
Wherein, two meshing mounting panels 230 and spliced pole of meshing support 23 lower surface one side downwardly extending, feed a piston rod fixedly connected with connecting plate 232 of cylinder 20, connect the via hole has been seted up on connecting plate 232, the spliced pole passes connect the via hole, just the both ends fixed connection of spliced pole is on two meshing mounting panels 230, the cover is equipped with connecting spring 233 on the spliced pole, connecting spring 233 is located connecting plate 232 with be close to between servo chuck's the meshing mounting panel 230, thereby certain cushioning effect is played to the in-process that feeds cylinder 20 propulsive.
In other embodiments, the utility model discloses an angle aligning device still includes the length measurement subassembly, the length measurement subassembly includes measurement support 260 and contact displacement sensor 261, measurement support 260 slides and sets up on the meshing slide rail 21, and be located the meshing support 23 outside, contact displacement sensor 261 sets up on the measurement support 260 for measure the length of the helical tooth of worm.
Further, the length measuring assembly further includes a buffer module including a first buffer plate 262, a second buffer plate 263, a buffer rod 264, and a buffer spring 265; the first buffer plate 262 is fixedly arranged on the engagement bracket 23, the second buffer plate 263 is fixedly arranged on the measurement bracket 260, and one end of the buffer rod 264 is fixed on the first buffer plate 262 and passes through the second buffer plate 263; the buffer spring 264 is sleeved at the other end of the buffer rod 264 and is located on the surface of the second buffer plate 263 far away from the first buffer plate 262, namely when the feed cylinder 20 drives the meshing support 23 to move towards the servo chuck 1, the length measuring assembly also moves together, when the helical teeth of the worm are in contact with the meshing helical teeth, the contact type displacement sensor 261 is in contact with the hexagonal part 1-4 of the worm, and along with the continuous advance of the feed cylinder 20 to the completion of the meshing, the contact type displacement sensor 261 can complete the length measurement, and the buffer spring 265 can play a role in buffering.
Furthermore, the utility model discloses an angle aligning device still includes vision inspection subassembly 29, vision inspection subassembly 29 sets up one side of tooth mould subassembly, vision inspection subassembly 29 includes vision support 290 and camera 291, and after the meshing is accomplished, feed cylinder 20 returns, meshing half mould 220-1 divides the mould, afterwards vision inspection subassembly 29 carries out the affirmation of angular position vision mode, and its axis of shooting direction perpendicular to worm to axial dimension, external diameter etc. to the separation and reunion awl tooth of worm measure.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The angle alignment device of the worm hobbing comprises a worm, wherein the worm comprises an excircle part, spiral teeth, clutch bevel teeth and a hexagonal part, and is characterized by comprising a servo chuck and a tooth die assembly, wherein the servo chuck drives the worm to rotate, the servo chuck comprises a chuck support, a servo motor arranged on the chuck support and a chuck rotating shaft driven to rotate by the servo motor, and the excircle part of the worm is connected with the chuck rotating shaft; the tooth die assembly comprises a feeding cylinder, an engaging slide rail and an engaging tooth die, and the feeding cylinder drives the engaging tooth die to move towards or away from the servo chuck; the meshing tooth die comprises a meshing body and a meshing through hole formed in the meshing body, meshing spiral teeth are formed in the inner wall of the meshing through hole, and the meshing spiral teeth are matched with spiral teeth of a worm to be aligned.
2. The worm gear hobbing angle alignment device according to claim 1, wherein the meshing tooth mold comprises two meshing half molds, the opposite surfaces of the meshing half molds are provided with semicircular meshing tooth grooves, the inner walls of the two meshing tooth grooves are provided with meshing half teeth, and the meshing half teeth in the two meshing tooth grooves are spliced into the meshing spiral teeth.
3. The worm gear hobbing angle alignment device according to claim 2, wherein an engagement support is slidably arranged on the engagement slide rail, an opening and closing slide rail is arranged on the engagement support, the opening and closing slide rail is perpendicular to the engagement slide rail, and the two engagement half molds approach or separate from each other along the opening and closing slide rail.
4. The worm gear hobbing angle alignment device according to claim 3, wherein the gear die assembly further comprises two opening and closing cylinders, a piston rod of each opening and closing cylinder is connected with the meshing half die, and the opening and closing cylinders drive the meshing half dies to slide along the opening and closing slide rails.
5. The worm gear hobbing angle alignment device according to claim 3, further comprising a length measuring assembly, wherein the length measuring assembly comprises a measuring bracket and a contact type displacement sensor, the measuring bracket is slidably arranged on the meshing slide rail and located outside the meshing bracket, and the contact type displacement sensor is arranged on the measuring bracket.
6. The worm gear hobbing angle alignment device of claim 5, wherein the length measurement assembly further comprises a buffer module, the buffer module comprising a first buffer plate, a second buffer plate, a buffer rod and a buffer spring; the first buffer plate is fixedly arranged on the engagement bracket, the second buffer plate is fixedly arranged on the measurement bracket, and one end of the buffer rod is fixed on the first buffer plate and penetrates through the second buffer plate; the buffer spring is sleeved at the other end of the buffer rod and is located on one surface, away from the first buffer plate, of the second buffer plate.
7. The worm gear hobbing angle alignment device according to claim 3, wherein a limiting assembly is further arranged below the meshing bracket, and comprises a limiting cylinder, a limiting plate and two limiting guide columns, wherein the limiting guide columns are fixedly arranged on the limiting plate, limiting through holes are formed in the meshing bracket, and the limiting guide columns penetrate through the limiting through holes; the limiting cylinder drives the limiting plate to drive the limiting guide pillar to move up and down.
8. The worm gear hobbing angle alignment device of claim 1, wherein a position sensor is provided on one side of the meshing slide.
9. The worm gear hobbing angle alignment device according to claim 3, wherein two meshing mounting plates and a connecting column extend downwards from one side of the lower surface of the meshing support, a connecting plate is fixedly connected to a piston rod of the feeding cylinder, a connecting through hole is formed in the connecting plate, the connecting column penetrates through the connecting through hole, two ends of the connecting column are fixedly connected to the two meshing mounting plates, a connecting spring is sleeved on the connecting column, and the connecting spring is located between the connecting plate and the meshing mounting plate close to the servo chuck.
10. The worm gear hobbing angle alignment device of claim 1, further comprising a visual inspection assembly disposed on one side of the tooth die assembly, the visual inspection assembly including a visual mount and a camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921276112.4U CN211248635U (en) | 2019-08-08 | 2019-08-08 | Angle alignment device of worm gear hobbing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921276112.4U CN211248635U (en) | 2019-08-08 | 2019-08-08 | Angle alignment device of worm gear hobbing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211248635U true CN211248635U (en) | 2020-08-14 |
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ID=71986582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921276112.4U Active CN211248635U (en) | 2019-08-08 | 2019-08-08 | Angle alignment device of worm gear hobbing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211248635U (en) |
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2019
- 2019-08-08 CN CN201921276112.4U patent/CN211248635U/en active Active
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