CN215316135U - Coal transmission shaft spline hobbing machine - Google Patents
Coal transmission shaft spline hobbing machine Download PDFInfo
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- CN215316135U CN215316135U CN202121828585.8U CN202121828585U CN215316135U CN 215316135 U CN215316135 U CN 215316135U CN 202121828585 U CN202121828585 U CN 202121828585U CN 215316135 U CN215316135 U CN 215316135U
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- 239000003245 coal Substances 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 239000002699 waste material Substances 0.000 claims description 21
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000110 cooling liquid Substances 0.000 description 14
- 239000002826 coolant Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of gear hobbing machines, in particular to a coal transmission shaft spline gear hobbing machine, which is characterized in that a workpiece is placed at the top end of a conveyor belt, the workpiece is clamped by two groups of clamping plates on the left side, a motor is started, the workpiece is placed at the top end of a chuck, the chuck is used for fixing the workpiece, the motor is used for reversing the workpiece, the two groups of clamping plates on the left side are reset, the chuck is driven by a first driving device to rotate the workpiece, a gear hobbing cutter is driven by a second driving device to process the workpiece, the processed workpiece is clamped by the two groups of clamping plates on the right side, the other group of workpiece is clamped by the two groups of clamping plates on the left side, the processed workpiece is placed at the top end of the conveyor belt by the two groups of clamping plates on the right side, the other group of workpiece is placed at the top end of the chuck by the two groups of clamping plates on the left side, so that the labor amount and the danger of workers are reduced, and the production speed of equipment is improved; the automatic gear hobbing machine comprises a gear hobbing machine, a chuck, a motor, a first hydraulic cylinder, a supporting plate, two groups of connecting rods, a plurality of groups of clamping plates, a plurality of groups of second hydraulic cylinders and a conveying belt.
Description
Technical Field
The utility model relates to the technical field of hobbing machines, in particular to a coal transmission shaft spline hobbing machine.
Background
A gear hobbing machine is a machine tool which is most widely applied in gear processing machines, and straight teeth and helical gears can be cut on the gear hobbing machine, and worm gears, chain wheels and the like can also be processed. But current gear hobbing machine structure is fairly simple, needs the staff to carry out material loading and unloading, influences production speed to cause the injury to the staff relatively easily, lead to the practicality of equipment relatively poor, consequently need improve current equipment.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a coal transmission shaft spline hobbing machine which is used for placing a workpiece at the top end of a conveyor belt, clamping the workpiece by two groups of clamping plates on the left side, turning on a motor, placing the workpiece at the top end of a chuck, fixing the workpiece by the chuck, reversing by the motor, resetting the two groups of clamping plates on the left side, driving the chuck by a first driving device to rotate the workpiece, driving a hobbing cutter by a second driving device to process the workpiece, clamping the processed workpiece by the two groups of clamping plates on the right side, clamping the other group of workpiece by the two groups of clamping plates on the left side, placing the processed workpiece to the top end of the conveyor belt by the two groups of clamping plates on the right side, placing the other group of workpiece to the top end of the chuck by the two groups of clamping plates on the left side, reducing the labor amount and the danger of workers and improving the production speed of equipment.
The utility model relates to a coal transmission shaft spline hobbing machine, which comprises a hobbing machine, a chuck, a motor, a first hydraulic cylinder, a supporting plate, two groups of connecting rods, a plurality of groups of clamping plates, a plurality of groups of second hydraulic cylinders and a conveyor belt, wherein the hobbing machine consists of a workbench, a first driving device, a box body and a second driving device, a cavity is arranged inside the workbench, the top end of the first driving device is connected with the top end inside the workbench, the top end of the first driving device penetrates through the top end of the workbench, the bottom end of the box body is connected with the top end of the workbench, the second driving device is arranged at the right end inside the box body, a hobbing cutter is arranged at the left end of the second driving device, a feed inlet is arranged at the left end of the box body, the bottom end of the chuck is connected with the top end of the first driving device, the top end of the motor is connected with the top end inside the workbench, the bottom end of the first hydraulic cylinder penetrates through the top end of the workbench and is connected with the top end of the motor, the bottom of backup pad is connected with the top of first pneumatic cylinder, and the one end of two sets of connecting rods is connected with the left end and the right-hand member of backup pad respectively, and multiunit splint rotate with the other end of two sets of connecting rods respectively and are connected, and the one end of multiunit second pneumatic cylinder rotates with the front end and the rear end of two sets of connecting rods respectively and is connected, and the other end of multiunit second pneumatic cylinder is connected with the side of multiunit splint respectively, and the bottom of conveyer belt is connected with the top of workstation to the conveyer belt is located the left side of box.
According to the coal transmission shaft spline hobbing machine, a plurality of groups of clamps are arranged on the surface of the conveying belt.
The utility model relates to a coal transmission shaft spline hobbing machine, which further comprises a water tank, a drainage pump and a drainage pipe, wherein the bottom end of the water tank is connected with the top end of the box body, the top end of the water tank is provided with a feeding hole, the top end of the drainage pump is connected with the top end in the box body, the top end of the drainage pump is provided with a water suction port, the bottom end of the drainage pump is provided with a drainage hole, the water suction port of the drainage pump is communicated with the inside of the water tank, and the top end of the drainage pipe is connected with the drainage hole of the drainage pump.
The coal transmission shaft spline hobbing machine also comprises a waste box, wherein a reserved opening is formed in the top end of the workbench, a drain pipe is arranged at the bottom end of the reserved opening, and the bottom end of the waste box is connected with the bottom end in the workbench.
The coal transmission shaft spline hobbing machine further comprises an air compressor and an air injection pipe, wherein the bottom end of the air compressor is connected with the top end of the box body, an air suction port is formed in the side end of the air compressor, an air exhaust port is formed in the bottom end of the air compressor, and the top end of the air injection pipe is connected with the air exhaust port of the air compressor.
The spline hobbing machine for the coal transmission shaft further comprises a third hydraulic cylinder and a limiting seat, wherein the top end of the third hydraulic cylinder is connected with the top end in the box body, and the top end of the limiting seat is rotatably connected with the bottom end of the third hydraulic cylinder.
The utility model relates to a coal transmission shaft spline hobbing machine, which further comprises a filter box, a first circulating pipe, a circulating pump and a second circulating pipe, wherein the side end of the filter box is connected with the left end in a waste material box, a plurality of groups of filter screens are arranged in the filter box, the left end of the first circulating pipe is connected with the left end of the filter box, the bottom end of the circulating pump is connected with the top end of the waste material box, the bottom end of the circulating pump is provided with a suction pipe, the side end of the circulating pump is provided with a discharge port, the suction pipe of the circulating pump is communicated with the interior of the filter box, one end of the second circulating pipe is connected with a discharge pipe of the circulating pump, and the other end of the second circulating pipe is connected with the side end of a water tank.
Compared with the prior art, the utility model has the beneficial effects that: putting a workpiece on the top end of a conveyor belt, conveying the workpiece to the lower part of two groups of clamping plates on the left side by the conveyor belt, contracting by a first hydraulic cylinder to expand two groups of second hydraulic cylinders on the left side, clamping the workpiece by two groups of clamping plates on the left side, then expanding the first hydraulic cylinder, simultaneously starting a motor to rotate the first hydraulic cylinder by one hundred eighty degrees, putting the workpiece on the top end of a chuck, fixing the workpiece by the chuck, reversing by the motor, resetting the two groups of clamping plates on the left side, then driving the chuck by a first driving device to rotate the workpiece, processing the workpiece by a gear hobbing cutter driven by a second driving device, contracting by the first hydraulic cylinder after the equipment finishes processing the workpiece, expanding the two groups of second hydraulic cylinders on the right side, clamping the processed workpiece by the two groups of clamping plates on the right side, clamping the other group of workpiece by the two groups of clamping plates on the left side, and then rotating by the motor, the workpiece which is processed by the two groups of clamping plates on the right side is placed at the top end of the conveying belt, the other group of workpiece is placed at the top end of the chuck by the two groups of clamping plates on the left side, and the workpiece is continuously processed by the equipment, so that the labor amount and the danger of workers are reduced, and the production speed of the equipment is increased.
Drawings
FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the apparatus of the present invention in its configuration for machining a workpiece;
FIG. 3 is a schematic elevation view of the present invention;
FIG. 4 is an enlarged top view of the structure of the connecting rod and clamping plate of the present invention;
in the drawings, the reference numbers: 1. a work table; 2. a first driving device; 3. a box body; 4. a second driving device; 5. a chuck; 6. a motor; 7. a first hydraulic cylinder; 8. a support plate; 9. a connecting rod; 10. a splint; 11. a second hydraulic cylinder; 12. a conveyor belt; 13. a water tank; 14. draining pump; 15. a drain pipe; 16. a waste bin; 17. an air compressor; 18. a gas ejector tube; 19. a third hydraulic cylinder; 20. a limiting seat; 21. a filter box; 22. a first circulation pipe; 23. a circulation pump; 24. a second circulation pipe.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
As shown in fig. 1 to 4, the spline hobbing machine for the coal transmission shaft of the utility model comprises a hobbing machine, a chuck 5, a motor 6, a first hydraulic cylinder 7, a support plate 8, two groups of connecting rods 9, a plurality of groups of clamping plates 10, a plurality of groups of second hydraulic cylinders 11 and a conveyor belt 12, wherein the hobbing machine comprises a workbench 1, a first driving device 2, a box body 3 and a second driving device 4, a chamber is arranged in the workbench 1, the top end of the first driving device 2 is connected with the top end in the workbench 1, the top end of the first driving device 2 penetrates through the top end of the workbench 1, the bottom end of the box body 3 is connected with the top end of the workbench 1, the second driving device 4 is arranged at the right end in the box body 3, the left end of the second driving device 4 is provided with a hobbing cutter, the left end of the box body 3 is provided with a feeding hole, the bottom end of the chuck 5 is connected with the top end of the first driving device 2, the top of motor 6 is connected the top of first pneumatic cylinder 7 with the top in the workstation 1 with the bottom of the top run through workstation 1 the top is connected with the top of motor 6, the bottom of backup pad 8 is connected with the top of first pneumatic cylinder 7, the one end of two sets of connecting rods 9 is connected with the left end and the right-hand member of backup pad 8 respectively, multiunit splint 10 rotates with the other end of two sets of connecting rods 9 respectively and is connected, the one end of multiunit second pneumatic cylinder 11 rotates with the front end and the rear end of two sets of connecting rods 9 respectively and is connected, the other end of multiunit second pneumatic cylinder 11 is connected with the side of multiunit splint 10 respectively, the bottom of conveyer belt 12 is connected with the top of workstation 1, and conveyer belt 12 is located the left side of box 3; putting a workpiece on the top end of a conveyor belt 12, conveying the workpiece to the lower part of two groups of clamping plates 10 on the left side by the conveyor belt 12, contracting by a first hydraulic cylinder 7 to extend two groups of second hydraulic cylinders 11 on the left side, clamping the workpiece by the two groups of clamping plates 10 on the left side, then extending by the first hydraulic cylinder 7, simultaneously turning on a motor 6 to rotate the first hydraulic cylinder 7 by one hundred eighty degrees, putting the workpiece on the top end of a chuck 5, fixing the workpiece by the chuck 5, reversing by the motor 6, resetting the two groups of clamping plates 10 on the left side, then driving the chuck 5 by a first driving device 2 to rotate the workpiece, driving a hobbing cutter by a second driving device 4 to process the workpiece, contracting by the first hydraulic cylinder 7 after the equipment finishes processing the workpiece, extending the two groups of second hydraulic cylinders 11 on the right side, and clamping the processed workpiece by the two groups of clamping plates 10 on the right side, meanwhile, the other group of workpieces are clamped by the two groups of clamping plates 10 on the left side, then the workpieces which are processed by the two groups of clamping plates 10 on the right side are placed at the top end of the conveying belt 12 through the rotation of the motor 6, the other group of workpieces are placed at the top end of the chuck 5 by the two groups of clamping plates 10 on the left side, and the workpieces are continuously processed by the equipment, so that the labor amount and the danger of workers are reduced, and the production speed of the equipment is increased.
According to the coal transmission shaft spline hobbing machine, a plurality of groups of clamps are arranged on the surface of the conveying belt 12; through the multiple groups of clamps, the workpiece is limited, so that the stability of the workpiece is improved.
The coal transmission shaft spline hobbing machine further comprises a water tank 13, a drainage pump 14 and a drainage pipe 15, wherein the bottom end of the water tank 13 is connected with the top end of the box body 3, a feed inlet is formed in the top end of the water tank 13, the top end of the drainage pump 14 is connected with the top end in the box body 3, a water suction port is formed in the top end of the drainage pump 14, a drainage outlet is formed in the bottom end of the drainage pump 14, the water suction port of the drainage pump 14 is communicated with the inside of the water tank 13, and the top end of the drainage pipe 15 is connected with the drainage outlet of the drainage pump 14; the coolant is poured into the water tank 13, the drain pump 14 is opened to suck out the coolant in the water tank 13, and the coolant is discharged through the drain pipe 15 to cool the workpiece and the hobbing cutter, so that the practicability of the equipment is improved.
The coal transmission shaft spline hobbing machine also comprises a waste box 16, wherein a reserved opening is formed in the top end of the workbench 1, a drain pipe is arranged at the bottom end of the reserved opening, and the bottom end of the waste box 16 is connected with the bottom end in the workbench 1; waste materials generated when the equipment processes a workpiece and cooling liquid sprayed by the water discharge pipe 15 are discharged into the waste material box 16 through a reserved opening of the workbench 1, so that the pollution of the waste materials and the cooling liquid to the surrounding environment is reduced, and the environmental protection performance of the equipment is improved.
The coal transmission shaft spline hobbing machine further comprises an air compressor 17 and an air injection pipe 18, wherein the bottom end of the air compressor 17 is connected with the top end of the box body 3, an air suction port is formed in the side end of the air compressor 17, an air exhaust port is formed in the bottom end of the air compressor 17, and the top end of the air injection pipe 18 is connected with the air exhaust port of the air compressor 17; compress the air through air compressor machine 17, later discharge compressed air through jet-propelled pipe 18, the moisture on the workpiece surface that will process the completion weathers, blows in the waste material to in the reservation mouth of workstation 1 simultaneously to improve equipment's convenience.
The spline hobbing machine for the coal transmission shaft further comprises a third hydraulic cylinder 19 and a limiting seat 20, wherein the top end of the third hydraulic cylinder 19 is connected with the top end in the box body 3, and the top end of the limiting seat 20 is rotatably connected with the bottom end of the third hydraulic cylinder 19; the third hydraulic cylinder 19 extends to enable the limiting seat 20 to be pressed on the top end of the workpiece, so that the shaking of the workpiece is reduced, and the practicability of the equipment is improved.
The spline hobbing machine for the coal transmission shaft further comprises a filter box 21, a first circulating pipe 22, a circulating pump 23 and a second circulating pipe 24, wherein the side end of the filter box 21 is connected with the left end in the waste bin 16, a plurality of groups of filter screens are arranged in the filter box 21, the left end of the first circulating pipe 22 is connected with the left end of the filter box 21, the bottom end of the circulating pump 23 is connected with the top end of the waste bin 16, a suction pipe is arranged at the bottom end of the circulating pump 23, a discharge port is arranged at the side end of the circulating pump 23, the suction pipe of the circulating pump 23 is communicated with the interior of the filter box 21, one end of the second circulating pipe 24 is connected with a discharge pipe of the circulating pump 23, and the other end of the second circulating pipe 24 is connected with the side end of the water tank 13; the circulating pump 23 is turned on, the cooling liquid in the waste tank 16 is sucked into the filter box 21, impurities in the cooling liquid in the filter box 21 are filtered through the plurality of groups of filter screens in the filter box 21, then the cooling liquid is discharged back to the water tank 13 through the second circulating pipe 24, and the cooling liquid is recycled, so that the practicability of the equipment is improved.
The coal transmission shaft spline hobbing machine of the utility model is operated, firstly, a workpiece is placed at the top end of a conveyor belt 12, the conveyor belt 12 conveys the workpiece to the lower part of two groups of left clamping plates 10, a first hydraulic cylinder 7 contracts to extend two groups of left second hydraulic cylinders 11, the workpiece is clamped by the two groups of left clamping plates 10, then the first hydraulic cylinder 7 extends, a motor 6 is simultaneously started to rotate the first hydraulic cylinder 7 by one hundred eighty degrees, the workpiece is placed at the top end of a chuck 5, the workpiece is fixed by the chuck 5, the two groups of left clamping plates 10 are reversed by the motor 6, then the chuck 5 is driven by a first driving device 2 to rotate the workpiece, a hobbing cutter is driven by a second driving device 4 to process the workpiece, cooling liquid is poured into a water tank 13, the cooling liquid in the water tank 13 is sucked out by opening a drainage pump 14, then the cooling liquid is discharged through a drain pipe 15 to cool the workpiece and the hobbing cutter, then the cooling liquid sprayed from the drain pipe 15 is discharged into a waste box 16 through a reserved opening of the workbench 1, after the workpiece is processed by the equipment, air is compressed through an air compressor 17, then compressed air is discharged through an air injection pipe 18, moisture on the surface of the processed workpiece is dried, meanwhile, the waste material is blown into the reserved opening of the workbench 1, then a circulating pump 23 is opened to suck the cooling liquid in the waste box 16 into the filtering box 21, impurities in the cooling liquid in the filtering box 21 are filtered through a plurality of groups of filter screens in the filtering box 21, then the cooling liquid is discharged back to the inside of a water tank 13 through a second circulating pipe 24 to be recycled, and then the cooling liquid is contracted through a first hydraulic cylinder 7 to extend two groups of second hydraulic cylinders 11 on the right side, the workpiece which is processed is clamped through the two groups of clamping plates 10, another group of workpiece is clamped through the two groups of clamping plates 10 on the left side, then the motor 6 rotates, the workpiece which is processed through the two groups of clamping plates 10 on the right side is placed on the top end of the conveying belt 12, the other group of workpiece is placed on the top end of the chuck 5 through the two groups of clamping plates 10 on the left side, and the equipment continues to process the workpiece.
According to the coal transmission shaft spline hobbing machine, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the installation mode, the connection mode or the arrangement mode can be implemented as long as the beneficial effects of the installation mode, the connection mode or the arrangement mode are achieved; the motor 6, the conveyor belt 12, the drainage pump 14 and the circulating pump 23 of the coal transmission shaft spline hobbing machine are purchased from the market, and technicians in the industry only need to install and operate according to the attached operating instructions.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A coal transmission shaft spline hobbing machine is characterized by comprising a hobbing machine, a chuck (5), a motor (6), a first hydraulic cylinder (7), a supporting plate (8), two groups of connecting rods (9), a plurality of groups of clamping plates (10), a plurality of groups of second hydraulic cylinders (11) and a conveying belt (12), wherein the hobbing machine consists of a workbench (1), a first driving device (2), a box body (3) and a second driving device (4), a cavity is arranged inside the workbench (1), the top end of the first driving device (2) is connected with the top end of the workbench (1) in a penetrating manner, the bottom end of the box body (3) is connected with the top end of the workbench (1), the second driving device (4) is arranged at the right end inside the box body (3), and a hobbing cutter is arranged at the left end of the second driving device (4), the left end of box (3) is provided with the feed inlet, the bottom of chuck (5) is connected with the top of first drive arrangement (2), the top of motor (6) is connected with the top in workstation (1) the bottom of first pneumatic cylinder (7) runs through the top of workstation (1) and is connected with the top of motor (6), the bottom of backup pad (8) is connected with the top of first pneumatic cylinder (7), the one end of two sets of connecting rods (9) is connected with the left end and the right-hand member of backup pad (8) respectively, multiunit splint (10) are connected with the other end rotation of two sets of connecting rods (9) respectively, the one end of multiunit second pneumatic cylinder (11) is connected with the front end and the rear end rotation of two sets of connecting rods (9) respectively, the other end of multiunit second pneumatic cylinder (11) is connected with the side of multiunit splint (10) respectively, the bottom of conveyer belt (12) is connected with the top of workstation (1), and the conveyor belt (12) is located on the left side of the box (3).
2. A coal drive shaft spline hobbing machine as claimed in claim 1, characterized in that the surface of the conveyor belt (12) is provided with sets of clamps.
3. The spline hobbing machine for the coal transmission shaft according to claim 1, characterized by further comprising a water tank (13), a drainage pump (14) and a drainage pipe (15), wherein the bottom end of the water tank (13) is connected with the top end of the box body (3), the top end of the water tank (13) is provided with a feeding port, the top end of the drainage pump (14) is connected with the top end in the box body (3), the top end of the drainage pump (14) is provided with a water suction port, the bottom end of the drainage pump (14) is provided with a drainage port, the water suction port of the drainage pump (14) is communicated with the inside of the water tank (13), and the top end of the drainage pipe (15) is connected with the drainage port of the drainage pump (14).
4. The coal transmission shaft spline hobbing machine according to claim 3, characterized by further comprising a waste bin (16), wherein a reserved opening is formed in the top end of the workbench (1), a drain pipe is arranged at the bottom end of the reserved opening, and the bottom end of the waste bin (16) is connected with the bottom end in the workbench (1).
5. The coal transmission shaft spline hobbing machine according to claim 4, characterized by further comprising an air compressor (17) and an air injection pipe (18), wherein the bottom end of the air compressor (17) is connected with the top end of the box body (3), an air suction port is arranged at the side end of the air compressor (17), an air exhaust port is arranged at the bottom end of the air compressor (17), and the top end of the air injection pipe (18) is connected with the air exhaust port of the air compressor (17).
6. The spline hobbing machine for the coal transmission shaft according to claim 1, further comprising a third hydraulic cylinder (19) and a limiting seat (20), wherein the top end of the third hydraulic cylinder (19) is connected with the top end in the box body (3), and the top end of the limiting seat (20) is rotatably connected with the bottom end of the third hydraulic cylinder (19).
7. The spline hobbing machine for the coal transmission shaft according to claim 6, characterized by further comprising a filter tank (21), a first circulation pipe (22), a circulation pump (23) and a second circulation pipe (24), wherein the side end of the filter tank (21) is connected with the left end in the waste bin (16), and a plurality of groups of filter screens are arranged in the filter tank (21), the left end of the first circulating pipe (22) is connected with the left end of the filter tank (21), the bottom end of the circulating pump (23) is connected with the top end of the waste tank (16), and the bottom end of the circulating pump (23) is provided with a suction pipe, the side end of the circulating pump (23) is provided with a discharge port, the suction pipe of the circulating pump (23) is communicated with the inside of the filter tank (21), one end of the second circulating pipe (24) is connected with the discharge pipe of the circulating pump (23), and the other end of the second circulating pipe (24) is connected with the side end of the water tank (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121828585.8U CN215316135U (en) | 2021-08-06 | 2021-08-06 | Coal transmission shaft spline hobbing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121828585.8U CN215316135U (en) | 2021-08-06 | 2021-08-06 | Coal transmission shaft spline hobbing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215316135U true CN215316135U (en) | 2021-12-28 |
Family
ID=79576214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121828585.8U Active CN215316135U (en) | 2021-08-06 | 2021-08-06 | Coal transmission shaft spline hobbing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215316135U (en) |
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2021
- 2021-08-06 CN CN202121828585.8U patent/CN215316135U/en active Active
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