CN110561163A - Pull rod device with central pipeline and cutter loosening and clamping method - Google Patents
Pull rod device with central pipeline and cutter loosening and clamping method Download PDFInfo
- Publication number
- CN110561163A CN110561163A CN201910836026.2A CN201910836026A CN110561163A CN 110561163 A CN110561163 A CN 110561163A CN 201910836026 A CN201910836026 A CN 201910836026A CN 110561163 A CN110561163 A CN 110561163A
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- Prior art keywords
- rod
- handle
- pull
- connecting rod
- rotor
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- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 11
- 210000000078 claw Anatomy 0.000 claims abstract description 62
- 238000001816 cooling Methods 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000003754 machining Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
the invention discloses a pull rod device with a central pipeline, which comprises a rotor, wherein a pull rod, a front connecting rod, a stay rod and a pull claw seat are arranged in the rotor, the front connecting rod is fixed at the front end of the pull rod, the stay rod is fixed at the front end of the front connecting rod, the pull claw seat is sleeved outside the front connecting rod and is movably connected with the front connecting rod and the stay rod, a pull claw is arranged at the front end of the pull claw seat, the pull claw surrounds the stay rod, a cutter handle is arranged at the front end of the rotor, the rear end of the cutter handle is inserted in the rotor, and the rear end of the cutter handle is clamped between the pull claw and the rotor; the pull rod, the front connecting rod and the support rod are all hollow, an inner cooling pipe is fixed at the center of the rear end of the knife handle and is inserted into the front end of the support rod, a knife handle air flue is formed in the knife handle, the pull rod, the front connecting rod, the support rod, the inner cooling pipe and the knife handle air flue are sequentially communicated to form a central pipeline, and a knife handle air hole communicated with the knife handle air flue is formed in the side portion of the knife handle. The invention can realize the function of pushing the tool handle and the tool and can cool the tool handle and the tool.
Description
Technical Field
The invention relates to an electric spindle, in particular to a pull rod device with a central pipeline and a method for loosening a clamping cutter.
Background
The electric spindle is applied to a machine tool and used for realizing mechanical equipment of precision machining, the existing electric spindle can involve the steps of tool loosening and tool clamping in the tool changing process, the tool shank is required to be cleaned by means of air flow of a central air path during tool loosening, but after the tool is clamped, the air flow cannot be blown out due to the fact that an air path is closed, therefore, the pull rod device in the prior art has the effect that the central air path in the pull rod device only has the function of cleaning the tool shank, and after the tool is clamped, the air flow in the central air path cannot play any role due to the fact that the air path is closed, and therefore the utilization rate of the air flow is low. In addition, the tool shank and the tool part can generate a large amount of heat in the machining process, if the tool shank and the tool cannot be cooled effectively, the machining precision of the spindle is seriously influenced, and the machining requirement is difficult to meet.
disclosure of Invention
The invention aims to solve the technical problem of providing a pull rod device with a central pipeline and a tool loosening and clamping method, which can realize the function of cleaning a tool handle and cool the tool handle and a tool.
In order to solve the technical problems, the invention adopts the following technical scheme.
a pull rod device with a central pipeline comprises a rotor, wherein a pull rod, a front connecting rod, a support rod and a pull claw seat are arranged in the rotor, the front connecting rod is fixed at the front end of the pull rod, the support rod is fixed at the front end of the front connecting rod, the pull claw seat is sleeved on the outer side of the front connecting rod and movably connected with the front connecting rod and the support rod, a pull claw is arranged at the front end of the pull claw seat and surrounds the support rod, a cutter handle is arranged at the front end of the rotor, the rear end of the cutter handle is inserted into the rotor, and the rear end of the cutter handle is clamped between the pull claw and the rotor; the novel multifunctional electric knife comprises a handle, a pull rod, a front connecting rod, a support rod, an inner cooling pipe, a knife handle air passage and a central pipeline, wherein the pull rod, the front connecting rod and the support rod are all hollow, the inner cooling pipe is fixed at the center of the rear end of the knife handle, the inner cooling pipe is inserted into the front end of the support rod, the knife handle air passage is formed in the knife handle, the pull rod, the front connecting rod, the support rod, the inner cooling pipe and the knife handle air passage are sequentially communicated to.
Preferably, a spring is sleeved on the front connecting rod, the front end of the spring abuts against the claw seat, and the rear end of the spring abuts against the rotor.
Preferably, a sealing gasket is embedded in the support rod, a guide ring is screwed in an opening at the front end of the support rod, the sealing gasket is fixed in the support rod through the guide ring, and when the inner cooling pipe is inserted in the support rod, the sealing gasket is clamped between the support rod and the inner cooling pipe to realize sealing.
Preferably, the opening at the front end of the guide ring is provided with a conical surface.
Preferably, the front end of the front connecting rod is screwed with a base meter screw, and the rear end of the base meter screw is mutually clamped with the inner wall of the support rod.
Preferably, the side air hole is formed in the side portion of the front connecting rod, a rotor air passage is formed in the rotor, the front end opening of the rotor air passage faces the rear end face of the cutter handle, the rear end opening of the rotor air passage faces the side portion of the front connecting rod, and when the pull rod drives the front connecting rod to slide forwards to the cutter loosening position, the rear end opening of the rotor air passage is communicated with the side air hole.
Preferably, a plurality of side air holes are formed in the side portion of the front connecting rod, a plurality of rotor air passages are formed in the rotor, and the rotor air passages correspond to the side air holes one to one.
Preferably, a plurality of side air holes are uniformly distributed along the circumferential direction of the front connecting rod.
Preferably, a rear connecting rod is inserted into the rear end of the pull rod, the rear connecting rod is hollow, and the rear connecting rod is communicated with the central pipeline.
A knife loosening and clamping method of a pull rod device comprises a rotor, wherein a pull rod, a front connecting rod, a support rod and a pull claw seat are arranged in the rotor, the front connecting rod is fixed at the front end of the pull rod, the support rod is fixed at the front end of the front connecting rod, the pull claw seat is sleeved on the outer side of the front connecting rod and movably connected with the front connecting rod and the support rod, a pull claw is arranged at the front end of the pull claw seat and surrounds the support rod, a knife handle is arranged at the front end of the rotor, the rear end of the knife handle is inserted into the rotor, and the rear end of the knife handle is clamped between the pull claw and the rotor; the pull rod, the front connecting rod and the support rod are all hollow, an inner cooling pipe is fixed in the center of the rear end of the knife handle and is inserted into the front end of the support rod, a knife handle air passage is formed in the knife handle, the pull rod, the front connecting rod, the support rod, the inner cooling pipe and the knife handle air passage are sequentially communicated to form a central pipeline, and knife handle air holes communicated with the knife handle air passage are formed in the side part of the knife handle; the method comprises the following steps: when the cutter is loosened, the pull rod drives the front connecting rod and the support rod to slide forwards, the support rod is separated from the pull claw, the pull claw is elastically reset and loosens the rear end of the cutter handle, the cutter handle is ejected out by utilizing the support rod, meanwhile, airflow is injected into the central pipeline from the rear end of the pull rod, and the cutter handle is cleaned by virtue of the airflow; when the cutter is clamped, the pull rod drives the front connecting rod and the support rod to slide backwards, the support rod is used for propping open the pull claw, the rear end of the cutter handle is clamped between the pull claw and the rotor, meanwhile, airflow or water flow is injected into the central pipeline from the rear end of the pull rod, and the airflow or water flow is sprayed outwards through the air passage of the cutter handle and the air hole of the cutter handle, so that the cutter handle and a cutter installed on the cutter handle are cooled.
In the pull rod device with the central pipeline, the handle is provided with the handle air passage and the handle air hole, so that when a cutter is loosened, the pull rod drives the front connecting rod and the support rod to slide forwards, the support rod is separated from the pull claw, the pull claw is elastically reset, the handle is loosened, the handle is ejected out by the support rod, and meanwhile, airflow is injected into the central pipeline from the rear end of the pull rod, and the handle is cleaned by the airflow; when the spindle executes the action of clamping the cutter, the pull rod drives the front connecting rod and the support rod to slide backwards, the support rod is utilized to prop open the pull claw, the rear end of the cutter handle is clamped between the pull claw and the rotor, meanwhile, airflow or water flow is injected into the central pipeline from the rear end of the pull rod, and the airflow or the water flow is outwards sprayed out through the air passage of the cutter handle and the air hole of the cutter handle, so that the temperature of the cutter handle and the cutter installed on the cutter handle is reduced. In the structure, when the cutter is loosened, the air flow in the central pipeline has the function of cleaning the cutter handle and the cutter, and after the cutter is clamped, the air flow or the water flow in the central pipeline has the function of cooling the cutter handle and the cutter air passage.
drawings
Fig. 1 is a cross-sectional view of a drawbar arrangement according to the present invention.
Detailed Description
The invention is described in more detail below with reference to the figures and examples.
The invention discloses a pull rod device with a central pipeline, and please refer to fig. 1, which comprises a rotor 1, wherein a pull rod 2, a front connecting rod 3, a support rod 4 and a pull claw seat 5 are arranged in the rotor 1, the front connecting rod 3 is fixed at the front end of the pull rod 2, the support rod 4 is fixed at the front end of the front connecting rod 3, the pull claw seat 5 is sleeved outside the front connecting rod 3 and movably connected with the front connecting rod 3, a pull claw 6 is arranged at the front end of the pull claw seat 5, the pull claw 6 surrounds the support rod 4, a cutter handle 7 is arranged at the front end of the rotor 1, the rear end of the cutter handle 7 is inserted into the rotor 1, and the rear end of the cutter handle 7 is clamped between the pull claw 6 and the rotor 1;
Pull rod 2, preceding connecting rod 3 and vaulting pole 4 all are the cavity form, the center department of handle of a knife 7 rear end is fixed with interior cooling pipe 8, interior cooling pipe 8 is inserted and is located the front end of vaulting pole 4, handle of a knife air flue 70 has been seted up in the handle of a knife 7, pull rod 2, preceding connecting rod 3, vaulting pole 4, interior cooling pipe 8 and handle of a knife air flue 70 communicate in proper order and form central line 9, the lateral part of handle of a knife 7 seted up with the handle of a knife air flue 70 handle gas pocket 71 that communicates each other.
In the device, the handle 7 is provided with the handle air passage 70 and the handle air hole 71, so that when the knife is released, the pull rod 2 is used for driving the front connecting rod 3 and the stay rod 4 to slide forwards, the stay rod 4 is separated from the pull claw 6, the pull claw 6 elastically resets, the handle 7 is loosened, the handle 7 is ejected out by using the stay rod 4, meanwhile, airflow is injected into the central pipeline 9 from the rear end of the pull rod 2, and the handle 7 is cleaned by the airflow; when the spindle executes a tool clamping action, the pull rod 2 drives the front connecting rod 3 and the support rod 4 to slide backwards, the support rod 4 is utilized to open the pull claw 6, the rear end of the tool holder 7 is clamped between the pull claw 6 and the rotor 1, and meanwhile, air flow or water flow is injected into the central pipeline 9 from the rear end of the pull rod 2 and is outwards sprayed out through the tool holder air passage 70 and the tool holder air hole 71, so that the tool holder 7 and a tool installed on the tool holder 7 are cooled. In the structure, when the cutter is loosened, the air flow in the central pipeline 9 has the function of pushing the cutter handle and the cutter, and after the cutter is clamped, the air flow or the water flow in the central pipeline 9 has the function of cooling the cutter handle and the cutter air passage, so that the cutter loosening device is not only beneficial to loosening the cutter, but also has the function of cooling, and in addition, after the cutter is clamped, air pressure can be loaded to the central pipeline 9, and cooling water can be injected through a water nozzle, so that different cooling requirements are met.
In order to assist the pushing action when the knife is released, in this embodiment, a spring 30 is sleeved on the front connecting rod 3, the front end of the spring 30 abuts against the pull claw seat 5, and the rear end of the spring 30 abuts against the rotor 1.
In this embodiment, a sealing gasket 40 is embedded in the stay bar 4, a guide ring 41 is screwed into an opening at the front end of the stay bar 4, the sealing gasket 40 is fixed in the stay bar 4 by the guide ring 41, and when the inner cooling pipe 8 is inserted into the stay bar 4, the sealing gasket 40 is clamped between the stay bar 4 and the inner cooling pipe 8 to realize sealing. The sealing gasket 40 can play a role in sealing when the tool holder is inserted, so that the tightness of the central pipeline 9 is improved.
In order to facilitate the insertion of the inner cooling tube 8, in this embodiment, the opening at the front end of the guide ring 41 is provided with a tapered surface 42.
In order to ensure that the stay bar 4 and the front connecting rod 3 are reliably fixed, in the embodiment, a base rice screw 31 is screwed on the front end of the front connecting rod 3, and the rear end of the base rice screw 31 is engaged with the inner wall of the stay bar 4.
As a preferable mode, the side part of the front connecting rod 3 is provided with a side air hole 33, a rotor air passage 10 is formed in the rotor 1, the front end opening of the rotor air passage 10 faces the rear end face of the tool holder 7, the rear end opening of the rotor air passage 10 faces the side part of the front connecting rod 3, and when the pull rod 2 drives the front connecting rod 3 to slide forward to the tool releasing position, the rear end opening of the rotor air passage 10 is communicated with the side air hole 33. In the structure, when the cutter is loosened, the air flow can be blown forwards through the side air hole 33 and the rotor air flue 10, so that after the cutter handle is taken out, dust, water and the like are prevented from entering the main shaft, and waterproof and dustproof effects are achieved.
As a preferable mode, a plurality of side air holes 33 are formed in the side portion of the front connecting rod 3, a plurality of rotor air passages 10 are formed in the rotor 1, and the rotor air passages 10 correspond to the side air holes 33 one to one.
In this embodiment, the plurality of side air holes 33 are uniformly distributed along the circumferential direction of the front connecting rod 3. The structure can form annular waterproof and dustproof airflow at the front end of the main shaft.
As a preferable structure, a rear connecting rod 11 is inserted into the rear end of the pull rod 2, the rear connecting rod 11 is hollow, and the rear connecting rod 11 is communicated with the central pipeline 9.
In this embodiment, the pull rod 2 is sleeved with a plurality of stacked disc springs 12, front and rear ends of the plurality of disc springs 12 are respectively abutted to the rotor 1 and the pull rod 2, the pull rod 2 is sleeved with a slider 13 and slidably connected with the slider 13, and the plurality of disc springs 12 are respectively disposed on front and rear sides of the slider 13. The slider 13 can stabilize the disc springs on the front side and the rear side, and prevent the disc springs from being deformed and insufficient in elasticity due to too many stacked layers.
In order to better describe the technical scheme of the invention, the invention further relates to a method for loosening and clamping a cutter of a pull rod device, please refer to fig. 1, wherein the pull rod device comprises a rotor 1, a pull rod 2, a front connecting rod 3, a support rod 4 and a pull claw seat 5 are arranged in the rotor 1, the front connecting rod 3 is fixed at the front end of the pull rod 2, the support rod 4 is fixed at the front end of the front connecting rod 3, the pull claw seat 5 is sleeved outside the front connecting rod 3 and movably connected with the same, the front end of the pull claw seat 5 is provided with a pull claw 6, the pull claw 6 surrounds the support rod 4, the front end of the rotor 1 is provided with a cutter handle 7, the rear end of the cutter handle 7 is inserted into the rotor 1, and the rear end of the cutter handle 7 is clamped between the pull claw 6 and the rotor 1; the pull rod 2, the front connecting rod 3 and the support rod 4 are all hollow, an inner cooling pipe 8 is fixed at the center of the rear end of the handle 7, the inner cooling pipe 8 is inserted at the front end of the support rod 4, a handle air passage 70 is formed in the handle 7, the pull rod 2, the front connecting rod 3, the support rod 4, the inner cooling pipe 8 and the handle air passage 70 are sequentially communicated to form a central pipeline 9, and a handle air hole 71 communicated with the handle air passage 70 is formed in the side part of the handle 7; the method comprises the following steps:
When the cutter is loosened, the pull rod 2 drives the front connecting rod 3 and the support rod 4 to slide forwards, the support rod 4 is separated from the pull claw 6, the pull claw 6 elastically resets and loosens the rear end of the cutter handle 7, the cutter handle 7 is ejected out by the support rod 4, meanwhile, airflow is injected into the central pipeline 9 from the rear end of the pull rod 2, and the cutter handle 7 is cleaned by the airflow;
When clamping a knife, the pull rod 2 drives the front connecting rod 3 and the support rod 4 to slide backwards, the support rod 4 is used for expanding the pull claw 6, the rear end of the knife handle 7 is clamped between the pull claw 6 and the rotor 1, and meanwhile, air flow or water flow is injected into the central pipeline 9 from the rear end of the pull rod 2 and is outwards sprayed out through the knife handle air passage 70 and the knife handle air hole 71, so that the knife handle 7 and a knife arranged on the knife handle 7 are cooled.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the technical scope of the present invention should be included in the scope of the present invention.
Claims (10)
1. The pull rod device with the central pipeline is characterized by comprising a rotor (1), wherein a pull rod (2), a front connecting rod (3), a support rod (4) and a pull claw seat (5) are arranged in the rotor (1), the front connecting rod (3) is fixed at the front end of the pull rod (2), the support rod (4) is fixed at the front end of the front connecting rod (3), the pull claw seat (5) is sleeved on the outer side of the front connecting rod (3) and movably connected with the front connecting rod and the support rod, a pull claw (6) is arranged at the front end of the pull claw seat (5), the pull claw (6) surrounds the support rod (4), a cutter handle (7) is arranged at the front end of the rotor (1), the rear end of the cutter handle (7) is inserted into the rotor (1), and the rear end of the cutter handle (7) is clamped between the pull claw (6) and the rotor (1);
Pull rod (2), preceding connecting rod (3) and vaulting pole (4) all are the cavity form, the center department of handle of a knife (7) rear end is fixed with interior cooling pipe (8), interior cooling pipe (8) are inserted and are located the front end of vaulting pole (4), handle of a knife air flue (70) have been seted up in handle of a knife (7), pull rod (2), preceding connecting rod (3), vaulting pole (4), interior cooling pipe (8) and handle of a knife air flue (70) communicate in proper order and form central pipeline (9), the handle of a knife gas pocket (71) that communicate each other with handle of a knife air flue (70) have been seted up to the lateral part of handle of a knife (7).
2. the pull rod device with a central pipe according to claim 1, characterized in that the front connecting rod (3) is sleeved with a spring (30), the front end of the spring (30) abuts against the pull jaw seat (5), and the rear end of the spring (30) abuts against the rotor (1).
3. The drawbar arrangement with central tube according to claim 1, characterized in that a sealing gasket (40) is embedded in the strut (4), a guide ring (41) is screwed into the front opening of the strut (4), the sealing gasket (40) is fixed in the strut (4) by means of the guide ring (41), and when the internal cooling tube (8) is inserted into the strut (4), the sealing gasket (40) is clamped between the strut (4) and the internal cooling tube (8) to achieve sealing.
4. The drawbar arrangement with central tube according to claim 3, characterized in that the opening at the front end of the guide ring (41) is provided with a conical surface (42).
5. The drawbar arrangement with central tube according to claim 1, characterized in that the front end of the front connecting rod (3) is screwed with a screw (31) of the base meter, and the rear end of the screw (31) of the base meter is mutually engaged with the inner wall of the stay (4).
6. The pull rod device with the central pipeline according to claim 1, wherein a side air hole (33) is formed in the side portion of the front connecting rod (3), a rotor air passage (10) is formed in the rotor (1), the front end opening of the rotor air passage (10) faces the rear end face of the handle (7), the rear end opening of the rotor air passage (10) faces the side portion of the front connecting rod (3), and when the pull rod (2) drives the front connecting rod (3) to slide forwards to the cutter loosening position, the rear end opening of the rotor air passage (10) is communicated with the side air hole (33).
7. The draw bar device with the central pipeline according to claim 6, wherein the front connecting rod (3) is provided with a plurality of side air holes (33) at the side part, the rotor (1) is provided with a plurality of rotor air passages (10) therein, and the rotor air passages (10) are in one-to-one correspondence with the side air holes (33).
8. The tie rod apparatus with central pipe according to claim 7, characterized in that a plurality of side air holes (33) are evenly distributed along the circumference of the front tie rod (3).
9. The tie rod device with central pipe according to claim 1, characterized in that a rear connecting rod (11) is inserted at the rear end of the tie rod (2), the rear connecting rod (11) is hollow, and the rear connecting rod (11) and the central pipe (9) are communicated with each other.
10. A method for loosening and clamping a cutter of a pull rod device is characterized in that the pull rod device comprises a rotor (1), a pull rod (2), a front connecting rod (3), a support rod (4) and a pull claw seat (5) are arranged in the rotor (1), the front connecting rod (3) is fixed at the front end of the pull rod (2), the stay bar (4) is fixed at the front end of the front connecting rod (3), the draw claw seat (5) is sleeved outside the front connecting rod (3) and is movably connected with the front connecting rod and the rear connecting rod, the front end of the pull claw seat (5) is provided with a pull claw (6), the pull claw (6) surrounds the stay bar (4), the front end of the rotor (1) is provided with a knife handle (7), the rear end of the knife handle (7) is inserted in the rotor (1), the rear end of the tool shank (7) is clamped between the pull claw (6) and the rotor (1); the pull rod (2), the front connecting rod (3) and the support rod (4) are all hollow, an inner cooling pipe (8) is fixed at the center of the rear end of the handle (7), the inner cooling pipe (8) is inserted into the front end of the support rod (4), a handle air passage (70) is formed in the handle (7), the pull rod (2), the front connecting rod (3), the support rod (4), the inner cooling pipe (8) and the handle air passage (70) are sequentially communicated to form a central pipeline (9), and a handle air hole (71) communicated with the handle air passage (70) is formed in the side part of the handle (7); the method comprises the following steps:
When the cutter is loosened, the pull rod (2) drives the front connecting rod (3) and the support rod (4) to slide forwards, the support rod (4) is separated from the pull claw (6), the pull claw (6) elastically resets and loosens the rear end of the cutter handle (7), the cutter handle (7) is ejected out by using the support rod (4), meanwhile, air flow is injected into the central pipeline (9) from the rear end of the pull rod (2), and the cutter handle (7) is cleaned by the air flow;
When clamping a knife, the pull rod (2) drives the front connecting rod (3) and the support rod (4) to slide backwards, the support rod (4) is used for propping open the pull claw (6), and further the rear end of the knife handle (7) is clamped between the pull claw (6) and the rotor (1), and meanwhile, air flow or water flow is injected into the central pipeline (9) from the rear end of the pull rod (2) and is outwards sprayed out through a knife handle air passage (70) and a knife handle air hole (71), so that the knife handle (7) and a knife installed on the knife handle (7) are cooled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910836026.2A CN110561163A (en) | 2019-09-05 | 2019-09-05 | Pull rod device with central pipeline and cutter loosening and clamping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910836026.2A CN110561163A (en) | 2019-09-05 | 2019-09-05 | Pull rod device with central pipeline and cutter loosening and clamping method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110561163A true CN110561163A (en) | 2019-12-13 |
Family
ID=68777946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910836026.2A Withdrawn CN110561163A (en) | 2019-09-05 | 2019-09-05 | Pull rod device with central pipeline and cutter loosening and clamping method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110561163A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230552A (en) * | 2020-01-30 | 2020-06-05 | 深圳市爱贝科精密机械有限公司 | Dirty main shaft handle of a knife clamping mechanism is hidden to terminal surface |
-
2019
- 2019-09-05 CN CN201910836026.2A patent/CN110561163A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230552A (en) * | 2020-01-30 | 2020-06-05 | 深圳市爱贝科精密机械有限公司 | Dirty main shaft handle of a knife clamping mechanism is hidden to terminal surface |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191213 |
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| WW01 | Invention patent application withdrawn after publication |