CN216461470U - Rotating speed-adjustable thread rolling machine - Google Patents
Rotating speed-adjustable thread rolling machine Download PDFInfo
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- CN216461470U CN216461470U CN202123109355.9U CN202123109355U CN216461470U CN 216461470 U CN216461470 U CN 216461470U CN 202123109355 U CN202123109355 U CN 202123109355U CN 216461470 U CN216461470 U CN 216461470U
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Abstract
The utility model discloses a rolling thread machine with adjustable rotating speed, which comprises an equipment platform, wherein an external thread die is arranged on the equipment platform and is connected with a first double-gear component through a universal joint component; a mounting seat is arranged below the equipment platform, and a control switch for controlling the second double-gear assembly to be meshed with the first double-gear assembly is arranged on a side plate of the mounting seat; the second double-gear assembly is installed on a transmission shaft, one end of the transmission shaft is connected with a driving motor arranged below the bottom plate of the installation seat, and the other end of the transmission shaft is connected with an internal thread die on the equipment platform; the utility model discloses a let the mould produce different rotational speeds in the time of gear assembly intermeshing, the convenience is to the thermos cup screw forming of different bore sizes, and the commonality is good.
Description
Technical Field
The utility model belongs to the technical field of the thread rolling machine, concretely relates to rotational speed adjustable thread rolling machine.
Background
A process is carried out in the manufacturing process of the heat-insulating cup, namely, thread forming is carried out at the cup opening of the heat-insulating cup, and threads matched with the cup cover are formed at the cup opening after extrusion through a die. At present, the thread rolling equipment on the market generally adopts a motor to drive an internal thread die and an external thread die to rotate, and then the external thread die extrudes the internal thread die to form threads at the position of a cup opening. The rotating speed of a common motor is fixed, and the rotating speed ratio of the internal thread die and the external thread die cannot be adjusted; when the screw thread forming is carried out aiming at cup mouths with different calibers, different requirements are made on the rotating speed ratio of the used mould; for example, when a small-diameter cup mouth is subjected to thread machining, a high rotation speed ratio is often required; when a large-diameter cup is threaded, a low rotation ratio is required. Therefore, a rotary speed-adjustable thread rolling machine needs to be designed.
Disclosure of Invention
The utility model discloses to the problem that exists among the prior art, designed a rotational speed adjustable thread rolling machine, the utility model discloses a let the mould produce different rotational speeds in the time of gear assembly intermeshing, the convenience is to the thermos cup screw forming of different bore sizes, and the commonality is good.
The invention aims to be realized by the following technical scheme: a thread rolling machine with adjustable rotating speed comprises an equipment platform, wherein an external thread die is arranged on the equipment platform and is connected with a first double-gear assembly through a universal joint assembly; a mounting seat is arranged below the equipment platform, and a control switch for controlling the second double-gear assembly to be meshed with the first double-gear assembly is arranged on a side plate of the mounting seat; the second double-gear assembly is installed on the transmission shaft, one end of the transmission shaft is connected with the driving motor arranged below the bottom plate of the installation seat, and the other end of the transmission shaft is connected with the internal thread die on the equipment platform.
Preferably, the control switch is connected with a lifting component which drives the second double-gear component to move up and down, and the second double-gear component can be meshed with the first double-gear component while moving up and down; the second double-gear assembly is sleeved on the transmission shaft and connected with the transmission shaft through a flat key, and the lifting assembly is connected with the second double-gear assembly through a bearing.
The second double-gear assembly is connected with the transmission shaft through a flat key, the flat key is installed in a clamping groove of the transmission shaft, and a notch for installing the flat key is formed in the second double-gear assembly, so that the second double-gear assembly can be sleeved on the transmission shaft and can synchronously rotate with the transmission shaft; the second double-gear assembly is connected with the lifting assembly through a bearing, and the lifting assembly drives the second double-gear assembly to move up and down while moving up and down; therefore, the second double-gear assembly can move up and down and rotate relative to the lifting assembly.
Preferably, the first double-gear assembly comprises a first gear and a second gear, and the first gear and the second gear are welded into a whole through a steel sleeve; the second double-gear assembly comprises a third gear and a fourth gear, and the third gear and the fourth gear are welded into a whole through a steel sleeve; the first gear is meshed with the third gear, and the second gear is meshed with the fourth gear.
When the first gear is meshed with the third gear, the universal joint component and the transmission shaft generate one speed ratio S1, and when the second gear is meshed with the fourth gear, the universal joint component and the transmission shaft generate the other speed ratio S2; the transmission shaft is connected with the driving motor, so that the rotation speed of the transmission shaft is always unchanged, and the angular speeds of the third gear and the fourth gear on the transmission shaft are the same; because the diameter of the first gear is larger than that of the second gear and the diameter of the third gear is smaller than that of the fourth gear, the ratio of the angular velocities of the first gear and the third gear is smaller than that of the second gear and the fourth gear; the universal joint assembly is connected with the first double-gear assembly, and the transmission shaft is connected with the second double-gear assembly, so that the S1 is smaller than the S2.
Preferably, the lifting assembly comprises a first connecting pin shaft fixedly connected with the control switch, the first connecting pin shaft is inserted into the strip-shaped connecting piece and is fixedly connected with the strip-shaped connecting piece, and a waist-shaped hole movably connected with a second connecting pin shaft is formed in the strip-shaped connecting piece; one end of the second connecting pin shaft is inserted into the waist-shaped hole, and the other end of the second connecting pin shaft is fixedly connected with the moving block; the moving block is sleeved on the first guide column, the first guide column is fixed on the bottom plate of the mounting seat, and the moving block is connected with a steel sleeve on the second double-gear assembly through a bearing.
The control switch is rotated, meanwhile, the first connecting pin shaft synchronously rotates, the first connecting pin shaft drives the strip-shaped connecting piece to rotate, and the strip-shaped connecting piece drives the second connecting pin shaft to rotate while rotating; the second connecting pin shaft is arranged in the kidney-shaped hole, the second connecting pin shaft can move to one end of the kidney-shaped hole when the control switch is adjusted to a high-speed gear, and the second connecting pin shaft can move to the other end of the kidney-shaped hole when the control switch is adjusted to a low-speed gear; the second connecting pin shaft can drive the moving block to move up and down while moving, the moving block is connected with the second double-gear assembly, and the moving block can drive the second double-gear assembly to move up and down relative to the transmission shaft while moving up and down.
Preferably, the transmission shaft is connected with the equipment platform through a bearing, a connecting shaft on the universal joint assembly is connected with the external thread die, and the connecting shaft on the universal joint assembly is connected with a sliding block on the equipment platform through a bearing.
The transmission shaft is fixedly connected with the internal thread die, the transmission shaft synchronously drives the internal thread die to rotate when rotating, and the universal joint component synchronously drives the external thread die to rotate when rotating, so that the external thread die can form an extrusion thread on a cup opening sleeved on the internal thread die when being close to the internal thread die.
Preferably, the equipment platform is provided with a sliding block which moves along a first track, and the first track is fixed on the equipment platform; the equipment platform on still be equipped with rather than fixed connection's first cylinder, the piston shaft and the slider fixed connection of first cylinder, the slider pass through the connecting axle of bearing and universal joint subassembly on, external screw thread mould and the connecting axle fixed connection on the universal joint subassembly.
The outer thread die is arranged on the connecting shaft of the universal joint assembly, the connecting shaft on the universal joint assembly is connected with the sliding block through the bearing, so that the outer thread die and the universal joint assembly synchronously rotate and can move to be close to the inner thread die along with the sliding block, and the outer thread die is convenient for extruding a cup opening on the inner thread die.
Preferably, the equipment platform is provided with a pressing assembly for fixing the cup body, the pressing assembly comprises two second guide columns fixed on the equipment platform, the second guide columns are provided with placing plates fixedly connected with the second guide columns, the placing plates are provided with second air cylinders fixedly connected with the placing plates, a moving plate is arranged between the placing plates and the equipment platform, and the moving plate is sleeved on the second guide columns and fixedly connected with piston shafts of the second air cylinders; the lower end face of the moving plate is provided with a rubber part for fixing the cup body.
The cup body is placed on the internal thread die, and then the rubber piece is driven to be pressed to the bottom of the cup body through the second air cylinder, so that the cup body can be kept fixed in the axial direction.
Preferably, a clamping assembly for fixing the cup body is arranged on the second guide column and close to the equipment platform; clamping unit establish on the second guide post and rather than fixed connection's mounting panel including the cover, the mounting panel on be equipped with rather than fixed connection's die clamping cylinder, the piston shaft of die clamping cylinder both sides on be equipped with the arm lock respectively, the arm lock on be equipped with the clamp splice that is used for the centre gripping cup.
The clamping blocks on the clamping arms are controlled by the clamping cylinders to be close to the side wall of the cup body and mutually attached to the side wall, so that the cup body can be kept fixed in the radial direction.
Preferably, the internal thread die is detachably mounted with the transmission shaft, and the external thread die is detachably connected with the universal joint assembly.
The internal thread die and the external thread die are detachably mounted, so that corresponding dies can be conveniently replaced when the cup openings with different calibers are subjected to thread rolling.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model is provided with a universal joint component which drives the external thread mould to rotate and a transmission shaft which drives the internal thread mould to rotate, wherein the universal joint component is provided with a first double-gear component which rotates synchronously with the universal joint component, the transmission shaft is provided with a second double-gear component which rotates synchronously with the transmission shaft, corresponding gears on the first double-gear component and the second double-gear component are meshed with each other to drive the universal joint component and the transmission shaft to rotate synchronously, and the external thread mould and the internal thread mould also rotate synchronously with each other, thereby having good synchronism; the control switch drives the second double-gear assembly to move up and down, corresponding gears on the second double-gear assembly and the first double-gear assembly are meshed with each other, the universal joint assembly and the transmission shaft generate different rotating speed ratios, and therefore the cup opening rolling thread device is suitable for cup opening rolling threads with different calibers and has better universality. Therefore, the utility model discloses carry out the roll screw occasionally fine commonality to the rim of a cup of thermos cup.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the hidden pressing assembly and the device housing of the present invention;
FIG. 3 is a perspective view of one of the side plates of the mount shown in FIG. 2 with one of the side plates hidden;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is an exploded view of FIG. 3;
fig. 6 is an enlarged view of a portion a in fig. 1.
The labels in the figure are: 1. an equipment platform; 2. an external thread die; 3. a gimbal assembly; 4. a first double gear assembly; 41. a first gear; 42. a second gear; 5. a mounting seat; 6. a second double gear assembly; 61. a third gear; 62. a fourth gear; 7. a control switch; 8. a drive shaft; 9. a lifting assembly; 91. a first connecting pin shaft; 92. a strip-shaped joining member; 93. a second connecting pin shaft; 94. a waist-shaped hole; 95. a moving block; 96. a first guide post; 10. a drive motor; 11. an internal thread die; 12. a first track; 13. a first cylinder; 14. a pressing assembly; 141. a second guide post; 142. placing the plate; 143. a second cylinder; 144. moving the plate; 145. a rubber member; 15. a clamping assembly; 151. mounting a plate; 152. a clamping cylinder; 153. clamping arms; 154. a clamping block; 16. a slide block.
Detailed Description
The invention will be further described with reference to the embodiments shown in the drawings to which:
as shown in fig. 1 to 6, the embodiment discloses a thread rolling machine with an adjustable rotating speed, which includes an equipment platform 1, wherein an external thread die 2 is arranged on the equipment platform 1, and the external thread die 2 is connected with a first double-gear assembly 4 through a universal joint assembly 3; a mounting seat 5 is arranged below the equipment platform 1, and a control switch 7 for controlling the second double-gear assembly 6 to be meshed with the first double-gear assembly 4 is arranged on a side plate of the mounting seat 5; the second double-gear assembly 6 is installed on a transmission shaft 8, one end of the transmission shaft 8 is connected with a driving motor 10 arranged below a bottom plate of the installation seat 5, and the other end of the transmission shaft 8 is connected with an internal thread die 11 on the equipment platform 1.
The control switch 7 is connected with a lifting component 9 which drives the second double-gear component 6 to move up and down, and the second double-gear component 6 can be meshed with the first double-gear component 4 while moving up and down; the second double-gear assembly 6 is sleeved on the transmission shaft 8 and connected with the transmission shaft through a flat key, and the lifting assembly 9 is connected with the second double-gear assembly 6 through a bearing. The first double-gear assembly 4 comprises a first gear 41 and a second gear 42, and the first gear 41 and the second gear 42 are welded into a whole through a steel sleeve; the second double-gear assembly 6 comprises a third gear 61 and a fourth gear 62, and the third gear 61 and the fourth gear 62 are welded into a whole through a steel sleeve; the first gear 41 is meshed with the third gear 61, and the second gear 42 is meshed with the fourth gear 62. The lifting assembly 9 comprises a first connecting pin shaft 91 fixedly connected with the control switch 7, the first connecting pin shaft 91 is inserted into a bar-shaped connecting piece 92 and is fixedly connected with the bar-shaped connecting piece 92, and a waist-shaped hole 94 movably connected with a second connecting pin shaft 93 is arranged in the bar-shaped connecting piece 92; one end of the second connecting pin 93 is inserted into the waist-shaped hole 94, and the other end is fixedly connected with the moving block 95; the moving block 95 is sleeved on a first guide column 96, the first guide column 96 is fixed on the bottom plate of the mounting seat 5, and the moving block 95 is connected with a steel sleeve on the second double-gear assembly 6 through a bearing. The transmission shaft 8 is connected with the equipment platform 1 through a bearing, a connecting shaft on the universal joint component 3 is connected with the external thread die 2, and the connecting shaft on the universal joint component 3 is connected with a sliding block 16 on the equipment platform 1 through a bearing. The equipment platform 1 is provided with a sliding block 16 moving along a first track 12, and the first track 12 is fixed on the equipment platform 1; the device platform 1 is further provided with a first air cylinder 13 fixedly connected with the device platform, a piston shaft of the first air cylinder 13 is fixedly connected with a sliding block 16, the sliding block 16 is connected with the universal joint component 3 through a bearing, and the external thread die 2 is fixedly connected with a connecting shaft of the universal joint component 3. The device platform 1 is provided with a pressing component 14 for fixing the cup body, the pressing component 14 comprises two second guide columns 141 fixed on the device platform 1, the second guide columns 141 are provided with placing plates 142 fixedly connected with the second guide columns, the placing plates 142 are provided with second air cylinders 143 fixedly connected with the placing plates 142, a moving plate 144 is arranged between the placing plates 142 and the device platform 1, and the moving plate 144 is sleeved on the second guide columns 141 and fixedly connected with piston shafts of the second air cylinders 143; the lower end surface of the moving plate 144 is provided with a rubber member 145 for fixing the cup body. A clamping assembly 15 for fixing the cup body is arranged on the second guide column 141 and close to the equipment platform 1; clamping assembly 15 establish on second guide post 141 and rather than fixed connection's mounting panel 151 including the cover, mounting panel 151 on be equipped with rather than fixed connection's die clamping cylinder 152, the piston shaft of die clamping cylinder 152 both sides on be equipped with arm lock 153 respectively, arm lock 153 on be equipped with the clamp splice 154 that is used for the centre gripping cup. The internal thread die 11 and the transmission shaft 8 are detachably mounted, and the external thread die 2 and the universal joint assembly 3 are detachably connected.
The specific working process of the embodiment is as follows, a cup body to be processed is placed on the internal thread die 11, the second air cylinder 143 is opened, the second air cylinder 143 drives the rubber piece 145 to move downwards and to be attached to the bottom of the cup body, and therefore the cup body is kept fixed in the axial direction of the cup body; then the clamping cylinder 152 is opened, and the clamping cylinder 152 controls the clamping block 154 to be close to the side wall of the cup body, so that the clamping block 154 can fix the cup body; a driving motor 10 is started, and the external thread die 2 and the internal thread die 11 synchronously rotate; then, the first air cylinder 13 is opened, the first air cylinder 13 drives the sliding block 16 to approach the inner thread die 11, so that the outer thread die 2 on the sliding block 16 simultaneously approaches the inner thread die 11, and when the outer thread die 2 contacts with the outer wall of the cup body, the outer thread die 2 and the inner thread die 11 are mutually extruded to form threads at the cup mouth.
When the first gear 41 and the third gear 61 are meshed, the universal joint component 3 and the transmission shaft 8 generate one speed ratio S1, and when the second gear 42 and the fourth gear 62 are meshed, the universal joint component 3 and the transmission shaft 8 generate the other speed ratio S2; the transmission shaft 8 is connected with the driving motor 10, so that the rotation speed of the transmission shaft 8 is always constant, and the angular speeds of the third gear 61 and the fourth gear 62 on the transmission shaft 8 are the same; since the diameter of the first gear 41 is larger than that of the second gear 42 and the diameter of the third gear 61 is smaller than that of the fourth gear 62, the ratio of the angular velocities of the first gear 41 and the third gear 61 is smaller than that of the second gear 42 and the fourth gear 62; the universal joint assembly 3 is connected with the first double-gear assembly 4, the transmission shaft 8 is connected with the second double-gear assembly 6, and then the S1 is smaller than the S2.
When a cup mouth with a smaller diameter needs to be threaded, the second double-gear assembly 6 needs to move the first gear 41 and the third gear 61 downwards to be disengaged, and the second gear 42 and the fourth gear 62 are meshed; by rotating the control switch 7 counterclockwise, the control switch 7 rotates while driving the first connecting pin shaft 91 to rotate counterclockwise, the first connecting pin shaft 91 rotates while driving the bar-shaped connecting piece 92 to rotate counterclockwise, the bar-shaped connecting piece 92 rotates counterclockwise while the waist-shaped hole 94 on the bar-shaped connecting piece 92 displaces downward in the horizontal plane, then the second connecting pin shaft 93 in the waist-shaped hole 94 can also displace downward under the limit of the waist-shaped hole 94, the second connecting pin shaft 93 moves downward while driving the moving block 95 to move downward, and the moving block 93 moves downward while driving the second double-gear assembly 6 to move downward; when a small-diameter cup opening is machined, the rotating speed ratio of the universal joint component 3 to the transmission shaft 8 is high, and the second gear 42 is meshed with the fourth gear 62 in the process that the moving block 93 moves downwards, so that the external thread die 2 and the internal thread die 11 form a large rotating speed ratio.
When a cup mouth with a larger diameter needs to be threaded, the control switch 7 is rotated clockwise, the control switch 7 rotates and simultaneously drives the first connecting pin shaft 91 to rotate clockwise, the first connecting pin shaft 91 rotates and simultaneously drives the bar-shaped connecting piece 92 to rotate clockwise, the bar-shaped connecting piece 92 rotates clockwise and simultaneously drives the kidney-shaped hole in the bar-shaped connecting piece 92 to displace upwards in the horizontal plane, then the second connecting pin shaft 93 in the kidney-shaped hole 94 can also displace upwards under the limit of the kidney-shaped hole 94, the second connecting pin shaft 93 moves upwards and simultaneously drives the moving block 95 to move upwards, so that the moving block 93 can drive the second double-gear assembly 6 to move upwards, then the first gear 41 and the third gear 61 are meshed with each other, and the second gear 42 and the fourth gear 62 are disengaged; when a large-caliber cup opening is machined, the rotation speed ratio of the universal joint component 3 to the transmission shaft 8 is often required to be low, and the first gear 41 and the third gear 61 are meshed in the moving process of the moving block 93, so that the external thread die 2 and the internal thread die 11 form a small rotation speed ratio.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. The thread rolling machine with the adjustable rotating speed comprises an equipment platform (1) and is characterized in that an external thread die (2) is arranged on the equipment platform (1), and the external thread die (2) is connected with a first double-gear assembly (4) through a universal joint assembly (3); a mounting seat (5) is arranged below the equipment platform (1), and a control switch (7) for controlling the second double-gear assembly (6) to be meshed with the first double-gear assembly (4) is arranged on a side plate of the mounting seat (5); the second double-gear assembly (6) is installed on the transmission shaft (8), one end of the transmission shaft (8) is connected with a driving motor (10) arranged below a bottom plate of the installation seat (5), and the other end of the transmission shaft (8) is connected with an internal thread die (11) on the equipment platform (1).
2. The machine according to claim 1, characterized in that the control switch (7) is connected with a lifting assembly (9) which drives a second double-gear assembly (6) to move up and down, and the second double-gear assembly (6) can be meshed with the first double-gear assembly (4) while moving up and down; the second double-gear assembly (6) is sleeved on the transmission shaft (8) and connected with the transmission shaft through a flat key, and the lifting assembly (9) is connected with the second double-gear assembly (6) through a bearing.
3. The machine according to claim 2, characterized in that the first double-gear assembly (4) comprises a first gear (41) and a second gear (42), the first gear (41) and the second gear (42) are welded together by a steel sleeve; the second double-gear assembly (6) comprises a third gear (61) and a fourth gear (62), and the third gear (61) and the fourth gear (62) are welded into a whole through a steel sleeve; the first gear (41) is meshed with the third gear (61), and the second gear (42) is meshed with the fourth gear (62).
4. The machine according to claim 3, characterized in that the lifting assembly (9) comprises a first connecting pin (91) fixedly connected with the control switch (7), the first connecting pin (91) is inserted into and fixedly connected with a bar-shaped connecting piece (92), and a kidney-shaped hole (94) movably connected with a second connecting pin (93) is formed in the bar-shaped connecting piece (92); one end of the second connecting pin shaft (93) is inserted into the waist-shaped hole (94), and the other end of the second connecting pin shaft is fixedly connected with the moving block (95); the moving block (95) is sleeved on the first guide post (96), the first guide post (96) is fixed on the bottom plate of the mounting seat (5), and the moving block (95) is connected with a steel sleeve on the second double-gear assembly (6) through a bearing.
5. The rotational speed adjustable thread rolling machine according to claim 1, characterized in that the transmission shaft (8) is connected with the equipment platform (1) through a bearing, the connecting shaft on the universal joint assembly (3) is connected with the external thread die (2), and the connecting shaft on the universal joint assembly (3) is connected with the sliding block (16) on the equipment platform (1) through a bearing.
6. The machine according to claim 5, characterized in that the equipment platform (1) is provided with a slide (16) moving along a first rail (12), the first rail (12) being fixed on the equipment platform (1); the device platform (1) is further provided with a first air cylinder (13) fixedly connected with the device platform, a piston shaft of the first air cylinder (13) is fixedly connected with a sliding block (16), the sliding block (16) is connected with the universal joint assembly (3) through a bearing, and the external thread die (2) is fixedly connected with a connecting shaft on the universal joint assembly (3).
7. The thread rolling machine with the adjustable rotating speed according to claim 1, wherein a pressing assembly (14) for fixing a cup body is arranged on the equipment platform (1), the pressing assembly (14) comprises two second guide columns (141) fixed on the equipment platform (1), a placing plate (142) fixedly connected with the second guide columns (141) is arranged on the second guide columns (141), a second air cylinder (143) fixedly connected with the placing plate (142) is arranged on the placing plate (142), a moving plate (144) is arranged between the placing plate (142) and the equipment platform (1), and the moving plate (144) is sleeved on the second guide columns (141) and fixedly connected with a piston shaft of the second air cylinder (143); the lower end surface of the moving plate (144) is provided with a rubber part (145) for fixing the cup body.
8. The machine according to claim 7, characterized in that the second guide column (141) is provided with a clamping assembly (15) for fixing the cup body at a position close to the equipment platform (1); clamping component (15) establish on second guide post (141) and rather than fixed connection's mounting panel (151) including the cover, mounting panel (151) on be equipped with rather than fixed connection's die clamping cylinder (152), die clamping cylinder (152) the piston shaft of both sides on be equipped with arm lock (153) respectively, arm lock (153) on be equipped with clamp splice (154) that are used for the centre gripping cup.
9. The machine according to claim 1, wherein the female die (11) is detachably mounted on the drive shaft (8), and the male die (2) is detachably connected to the universal joint assembly (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123109355.9U CN216461470U (en) | 2021-12-06 | 2021-12-06 | Rotating speed-adjustable thread rolling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123109355.9U CN216461470U (en) | 2021-12-06 | 2021-12-06 | Rotating speed-adjustable thread rolling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216461470U true CN216461470U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123109355.9U Active CN216461470U (en) | 2021-12-06 | 2021-12-06 | Rotating speed-adjustable thread rolling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216461470U (en) |
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2021
- 2021-12-06 CN CN202123109355.9U patent/CN216461470U/en active Active
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