CN108890380B - Counterweight device for machine tool - Google Patents
Counterweight device for machine tool Download PDFInfo
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- CN108890380B CN108890380B CN201811113288.8A CN201811113288A CN108890380B CN 108890380 B CN108890380 B CN 108890380B CN 201811113288 A CN201811113288 A CN 201811113288A CN 108890380 B CN108890380 B CN 108890380B
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- machine tool
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- plate
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- 230000001681 protective effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 10
- 230000001771 impaired effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- 229910052742 iron Inorganic materials 0.000 description 9
- 230000005484 gravity Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/001—Arrangements compensating weight or flexion on parts of the machine
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0032—Arrangements for preventing or isolating vibrations in parts of the machine
- B23Q11/0035—Arrangements for preventing or isolating vibrations in parts of the machine by adding or adjusting a mass, e.g. counterweights
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Turning (AREA)
Abstract
The invention is suitable for the technical field of lathes, and provides a counterweight device for a machine tool, which comprises a machine tool supporting component, a machine tool driving component and a counterweight component, wherein the machine tool supporting component comprises a machine tool bottom plate, a machine tool bracket, a motor supporting plate and a machine tool cross beam, and the machine tool bracket is fixedly connected with the machine tool bottom plate; through the installation motor, for whole device provides power, install the counter weight, keep the lathe balanced, set up the weight plate, increase the focus stability of counter weight, install the connecting axle on the weight plate, be used for connecting the counter weight lower hem, set up the counter weight lower hem, make it sway round the connecting axle on the weight plate, sway the impact force of vibrations to the counter weight device under the counter weight lower hem, prevent when the focus is not at lathe centre of rotation because of the counter weight device, produce the stationarity that acutely shakes and influence the lathe operation, avoid the product processing in-process quality problems to appear, avoid the lathe impaired, extension lathe service life.
Description
Technical Field
The invention belongs to the technical field of lathes, and particularly relates to a counterweight device for a machine tool.
Background
In the moving process of a machine tool, in order to keep self balance, a balancing weight needs to be used for balancing, so that the running stability of the machine tool is guaranteed, the counterweight iron is a heavy object used for increasing self weight to keep balance, the counterweight iron is a technological process for smelting a shot blasting machine into liquid meeting certain requirements, pouring the liquid into a casting mold, cooling, solidifying and clearing to obtain a casting with a preset shape, size and performance, the counterweight iron is one of basic processes of modern mechanical manufacturing industry, the defined counterweight iron refers to counterweight iron applied to the heavy industry, the counterweight iron also needs to be applied to the light industry, the counterweight iron applied to the light industry is mainly heavy iron used for increasing self weight to keep balance or increase self hand feeling, and the counterweight iron applied to the light industry is mainly formed by machining materials of the machine tool.
When non-axle class part is processed, original counter weight device produces vibrations because of the focus is not on lathe centre of rotation, in the motion process, can influence the stationarity of lathe operation, is unfavorable for product processing, can lead to make the product go out quality problems, and can reduce lathe service life.
Disclosure of Invention
The invention provides a counterweight device for a machine tool, and aims to solve the problems that when a non-shaft part is machined, the original counterweight device generates vibration in the movement process because the center of gravity is not on the rotation center of the machine tool, the stability of the machine tool in operation is influenced, the machining of products is not facilitated, the quality problem of the products is caused, and the service life of the machine tool is reduced.
The invention is realized in such a way, the counterweight device for the machine tool comprises a machine tool supporting component, a machine tool driving component and a counterweight component, wherein the machine tool supporting component comprises a machine tool bottom plate, a machine tool bracket, a motor supporting plate and a machine tool cross beam, the machine tool bracket is fixedly connected with the machine tool bottom plate and positioned above the machine tool bottom plate, the motor supporting plate is fixedly connected with the machine tool bracket and positioned in the machine tool bracket, and the machine tool cross beam is fixedly connected with the machine tool bracket and positioned at the top of the machine tool bracket;
the machine tool driving assembly further comprises a motor, a driving gear, a first gear, a second gear and a machine tool headstock, the motor is fixedly connected with the motor supporting plate and is located above the motor supporting plate, the driving gear is rotationally connected with the machine tool cross beam through a rotating shaft, the first gear is rotationally connected with the machine tool cross beam through the rotating shaft and is located inside the machine tool cross beam, the second gear is rotationally connected with the machine tool cross beam through the rotating shaft and is located on the left side of the first gear, and the machine tool headstock is connected with the second gear through a chain and is located below the second gear;
the counter weight subassembly includes counter weight, counterweight plate, connecting axle, fixed strip and counter weight lower hem, the counterweight with first gear passes through the chain and connects, and is located the machine tool support right side, the counterweight plate with counterweight fixed connection, and be located the counterweight bottom, the connecting axle with counterweight plate fixed connection, and be located counterweight plate intermediate position, the fixed strip with counterweight plate fixed connection, and be located counterweight plate upper surface, the counter weight lower hem with the connecting axle rotates to be connected, and the cover is established on the connecting axle, motor and power electric connection.
The invention further provides a preferable mode, the machine tool supporting assembly further comprises a protective shell, and the protective shell is fixedly connected with the machine tool support and sleeved on the driving gear.
The invention also provides a preferable mode, the machine tool supporting component further comprises a motor output hole, and the motor output hole is fixedly connected with the machine tool support and is positioned on the front surface of the machine tool support.
The invention also provides a preferable mode, the machine tool driving assembly further comprises a motor shell, and the motor shell is fixedly connected with the motor supporting plate and sleeved on the motor.
The invention also provides a preferable mode, and the machine tool driving assembly further comprises a control box, wherein the control box is fixedly connected with the machine tool support and is positioned on the rear surface of the machine tool support.
The invention also provides a preferable mode, the counterweight assembly further comprises a connecting ring, and the connecting ring is fixedly connected with the counterweight lower hem and is positioned at the bottom of the counterweight lower hem.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a counterweight device for a machine tool, which provides power for the whole device by installing a motor, installs a counterweight to keep the balance of the machine tool, is provided with a counterweight disc to increase the stability of the gravity center of the counterweight, is provided with a connecting shaft for connecting a counterweight lower hem, and is provided with the counterweight lower hem to enable the counterweight lower hem to swing around the connecting shaft, and swings around the connecting shaft on the counterweight disc by the counterweight lower hem to relieve the impact force of the swinging vibration on the counterweight device, prevent the severe vibration from influencing the running stability of the machine tool when the gravity center of the counterweight device is not at the rotation center of the machine tool, avoid the quality problem in the process of processing products, avoid the damage of the machine tool and prolong the service life of the machine tool.
Drawings
FIG. 1 is a schematic view of the front view of the machine tool of the present invention;
FIG. 2 is a front view of the front surface of the machine tool support of the present invention;
FIG. 3 is a front view of the rear surface of the machine tool support of the present invention;
FIG. 4 is a schematic perspective view of a machine tool counterweight according to the present invention;
in the figure: 1-a machine tool supporting component, 11-a machine tool bottom plate, 12-a machine tool support, 13-a motor supporting plate, 14-a machine tool cross beam, 15-a protective shell, 16-a motor output hole, 2-a machine tool driving component, 21-a motor, 22-a driving gear, 23-a first gear, 24-a second gear, 25-a machine tool headstock, 26-a motor shell, 27-a control box, 3-a counterweight component, 31-a counterweight device, 32-a counterweight disc, 33-a connecting shaft, 34-a fixing strip, 35-a counterweight lower hem and 36-a connecting ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-4, the present invention provides a technical solution: a counterweight device for a machine tool comprises a machine tool supporting component 1, a machine tool driving component 2 and a counterweight component 3, wherein the machine tool supporting component 1 comprises a machine tool bottom plate 11, a machine tool support 12, a motor supporting plate 13 and a machine tool cross beam 14, the machine tool support 12 is fixedly connected with the machine tool bottom plate 11 and is positioned above the machine tool bottom plate 11, the motor supporting plate 13 is fixedly connected with the machine tool support 12 and is positioned inside the machine tool support 12, and the machine tool cross beam 14 is fixedly connected with the machine tool support 12 and is positioned at the top of the machine tool support 12;
the machine tool driving assembly 2 further comprises a motor 21, a driving gear 22, a first gear 23, a second gear 24 and a machine tool headstock 25, the motor 21 is fixedly connected with the motor supporting plate 13 and is positioned above the motor supporting plate 13, the driving gear 22 is rotatably connected with the machine tool cross beam 14 through a rotating shaft, the first gear 23 is rotatably connected with the machine tool cross beam 14 through a rotating shaft and is positioned inside the machine tool cross beam 14, the second gear 24 is rotatably connected with the machine tool cross beam 14 through a rotating shaft and is positioned on the left side of the first gear 23, and the machine tool headstock 25 is connected with the second gear 24 through a chain and is positioned below the second gear 24;
the counterweight component 3 comprises a counterweight 31, a counterweight disc 32, a connecting shaft 33, a fixing strip 34 and a counterweight lower hem 35, the counterweight 31 is connected with the first gear 23 through a chain and is located on the right side of the machine tool support 12, the counterweight disc 32 is fixedly connected with the counterweight 31 and is located at the bottom of the counterweight 31, the connecting shaft 33 is fixedly connected with the counterweight disc 32 and is located at the middle position of the counterweight disc 32, the fixing strip 34 is fixedly connected with the counterweight disc 32 and is located on the upper surface of the counterweight disc 32, the counterweight lower hem 35 is rotatably connected with the connecting shaft 33 and is sleeved on the connecting shaft 33, and the motor 21 is electrically connected with the power supply.
In the embodiment, a motor 21 is arranged on a motor supporting plate 13 to provide power for the whole device, a driving gear 22 is arranged, the driving gear is in transmission connection with the motor 21 on a machine tool beam 14 through a chain to drive a first gear 23 to run, a second gear 24 is arranged and is in transmission connection with the first gear 23 through the chain to enable the first gear to run normally, a lathe head 25 is arranged and is used for processing products, a counterweight 31 is arranged and keeps balance of the machine tool, a counterweight disc 32 is arranged and increases the stability of the gravity center of the counterweight 31, a connecting shaft 33 is arranged on the counterweight disc 32 and is used for connecting a counterweight lower hem 35, a counterweight lower hem 35 is arranged and is made to swing around the connecting shaft 33, the counterweight lower hem 35 swings around the connecting shaft 33 on the counterweight disc 32 to relieve the impact force of the swinging vibration on the counterweight device, and prevent the phenomenon that the running stability of the machine tool is influenced by the severe vibration when the gravity center, the quality problem in the process of processing products is avoided, the damage of the machine tool is avoided, and the service life of the machine tool is prolonged.
Further, the machine tool supporting assembly 1 further comprises a protective shell 15, and the protective shell 15 is fixedly connected with the machine tool support 12 and sleeved on the driving gear 22.
In this embodiment, the protective shell 15 is installed on the machine tool support 12, the motor gear and the driving gear 22 on the motor 21 are both arranged on the front surface of the machine tool support 12, when the machine tool is started, and the motor gear on the motor 21 drives the driving gear 22 to operate through a chain, a potential safety hazard exists, and the protective shell 15 is sleeved on the motor gear and the driving gear 22 on the motor 21
Further, the machine tool support assembly 1 further comprises a motor output hole 16, and the motor output hole 16 is fixedly connected with the machine tool support 12 and is located on the front surface of the machine tool support 12.
In this embodiment, a motor output hole 16 is formed on the front surface of the machine tool support 12 so that the output end of the motor 21 of the motor support plate 13 passes through the motor output hole 16, thereby driving the driving gear 22 to rotate via a chain.
Further, the machine tool driving assembly 2 further comprises a motor housing 26, and the motor housing 26 is fixedly connected with the motor support plate 13 and sleeved on the motor 21.
In this embodiment, motor 21 is sleeved with motor housing 26, and motor housing 26 protects motor 21, prevents motor 21 from being damaged by collision, and facilitates cleaning and maintenance.
Further, the machine tool driving assembly 2 further comprises a control box 27, and the control box 27 is fixedly connected with the machine tool support 12 and is located on the rear surface of the machine tool support 12.
In the embodiment, the control box 27 is arranged on the rear surface of the machine tool support 12, a control center is required for the operation of the machine tool, and the control box 27 is arranged to regulate and control the operation of the machine tool so as to facilitate the high-efficiency operation of the machine tool and avoid potential harm to human bodies caused by the machine tool.
Further, the counterweight assembly 3 further includes a connecting ring 36, and the connecting ring 36 is fixedly connected to the counterweight skirt 35 and is located at the bottom of the counterweight skirt 35.
In the present embodiment, the connecting ring 36 is attached to the bottom of the counterweight lower swing 35, and when the balance of the machine tool is unstable during movement, the machine tool can be stabilized by adding weight to the counterweight device through the connecting ring 36.
The working principle and the using process of the invention are as follows: after the machine tool counterweight device is installed, an external power supply is connected, the assembled parts are placed on a bottom plate 11 of the machine tool, the machine tool is started through a control box 27, a motor 21 on a motor supporting plate 13 is enabled to operate, a driving gear 22 is driven by a chain to operate, a first gear 23 and a second gear 24 are enabled to operate together, the parts are machined through a lathe head 25 of the lathe, the machine tool is kept in running balance through a counterweight device 31, the counterweight device is swung around a connecting shaft 33 on a counterweight disc 32 through a counterweight lower pendulum 35, the impact force of swinging vibration on the counterweight device is relieved, the machine tool is kept in balance, if the machine tool is unstable, the counterweight device 31 can be weighted through a connecting ring 36 below the counterweight lower pendulum 35, the machine tool is enabled to reach a balanced and stable state, and the use process.
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 and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A counterweight device for a machine tool is characterized in that: the machine tool support assembly comprises a machine tool support assembly, a machine tool driving assembly and a counterweight assembly, wherein the machine tool support assembly comprises a machine tool bottom plate, a machine tool support, a motor support plate and a machine tool cross beam, the machine tool support is fixedly connected with the machine tool bottom plate and is positioned above the machine tool bottom plate, the motor support plate is fixedly connected with the machine tool support and is positioned in the machine tool support, and the machine tool cross beam is fixedly connected with the machine tool support and is positioned at the top of the machine tool support;
the machine tool driving assembly further comprises a motor, a driving gear, a first gear, a second gear and a machine tool headstock, the motor is fixedly connected with the motor supporting plate and is located above the motor supporting plate, the driving gear is rotationally connected with the machine tool cross beam through a rotating shaft, the first gear is rotationally connected with the machine tool cross beam through the rotating shaft and is located inside the machine tool cross beam, the second gear is rotationally connected with the machine tool cross beam through the rotating shaft and is located on the left side of the first gear, and the machine tool headstock is connected with the second gear through a chain and is located below the second gear;
the counter weight subassembly includes counter weight, counterweight plate, connecting axle, fixed strip and counter weight lower hem, the counterweight with first gear passes through the chain and connects, and is located the machine tool support right side, the counterweight plate with counterweight fixed connection, and be located the counterweight bottom, the connecting axle with counterweight plate fixed connection, and be located counterweight plate intermediate position, the fixed strip with counterweight plate fixed connection, and be located counterweight plate upper surface, the counter weight lower hem with the connecting axle rotates to be connected, and the cover is established on the connecting axle, motor and power electric connection.
2. A counterweight device for a machine tool according to claim 1, wherein: the machine tool supporting assembly further comprises a protective shell, the protective shell is fixedly connected with the machine tool support and sleeved on the driving gear.
3. A counterweight device for a machine tool according to claim 1, wherein: the machine tool supporting assembly further comprises a motor output hole, and the motor output hole is fixedly connected with the machine tool support and is located on the front surface of the machine tool support.
4. A counterweight device for a machine tool according to claim 1, wherein: the machine tool driving assembly further comprises a motor shell, wherein the motor shell is fixedly connected with the motor supporting plate and sleeved on the motor.
5. A counterweight device for a machine tool according to claim 1, wherein: the machine tool driving assembly further comprises a control box, wherein the control box is fixedly connected with the machine tool support and is positioned on the rear surface of the machine tool support.
6. A counterweight device for a machine tool according to claim 1, wherein: the counterweight assembly further comprises a connecting ring, and the connecting ring is fixedly connected with the counterweight lower hem and is positioned at the bottom of the counterweight lower hem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811113288.8A CN108890380B (en) | 2018-09-25 | 2018-09-25 | Counterweight device for machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811113288.8A CN108890380B (en) | 2018-09-25 | 2018-09-25 | Counterweight device for machine tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108890380A CN108890380A (en) | 2018-11-27 |
| CN108890380B true CN108890380B (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811113288.8A Active CN108890380B (en) | 2018-09-25 | 2018-09-25 | Counterweight device for machine tool |
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| Country | Link |
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| CN (1) | CN108890380B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5877420A (en) * | 1981-10-30 | 1983-05-10 | Toyoda Mach Works Ltd | Balancing device of main shaft head in machine tool |
| JPS6186109A (en) * | 1984-10-03 | 1986-05-01 | Mitsubishi Heavy Ind Ltd | Weight compensating device for main spindle head |
| CN200981127Y (en) * | 2006-12-20 | 2007-11-28 | 郑忠耀 | Chain slide bushing type balance weight mechanism |
| CN101200032A (en) * | 2006-12-12 | 2008-06-18 | 爱信艾达株式会社 | Jig lifting apparatus |
| KR20090016222A (en) * | 2007-08-10 | 2009-02-13 | 화천기공 주식회사 | Gravity axis machine tool having minute vibration preventing part |
| JP2009101478A (en) * | 2007-10-24 | 2009-05-14 | Toshiba Mach Co Ltd | Wire elongation detecting device in counterbalance mechanism of spindle head |
| CN203738079U (en) * | 2013-12-19 | 2014-07-30 | 济南森瑞数控机械有限公司 | Power head counterweight device for numerically controlled deep-hole drilling machine |
| CN206343965U (en) * | 2016-12-31 | 2017-07-21 | 吉林大学 | A kind of transverse follower type counterweight device |
| CN207058188U (en) * | 2017-03-13 | 2018-03-02 | 黄石百斯特智能科技有限公司 | A kind of lathe balance weight mechanism |
| CN207480214U (en) * | 2017-10-31 | 2018-06-12 | 深圳市仕兴鸿精密机械设备有限公司 | Horizontal machine tool counterweight device |
-
2018
- 2018-09-25 CN CN201811113288.8A patent/CN108890380B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5877420A (en) * | 1981-10-30 | 1983-05-10 | Toyoda Mach Works Ltd | Balancing device of main shaft head in machine tool |
| JPS6186109A (en) * | 1984-10-03 | 1986-05-01 | Mitsubishi Heavy Ind Ltd | Weight compensating device for main spindle head |
| CN101200032A (en) * | 2006-12-12 | 2008-06-18 | 爱信艾达株式会社 | Jig lifting apparatus |
| CN200981127Y (en) * | 2006-12-20 | 2007-11-28 | 郑忠耀 | Chain slide bushing type balance weight mechanism |
| KR20090016222A (en) * | 2007-08-10 | 2009-02-13 | 화천기공 주식회사 | Gravity axis machine tool having minute vibration preventing part |
| JP2009101478A (en) * | 2007-10-24 | 2009-05-14 | Toshiba Mach Co Ltd | Wire elongation detecting device in counterbalance mechanism of spindle head |
| CN203738079U (en) * | 2013-12-19 | 2014-07-30 | 济南森瑞数控机械有限公司 | Power head counterweight device for numerically controlled deep-hole drilling machine |
| CN206343965U (en) * | 2016-12-31 | 2017-07-21 | 吉林大学 | A kind of transverse follower type counterweight device |
| CN207058188U (en) * | 2017-03-13 | 2018-03-02 | 黄石百斯特智能科技有限公司 | A kind of lathe balance weight mechanism |
| CN207480214U (en) * | 2017-10-31 | 2018-06-12 | 深圳市仕兴鸿精密机械设备有限公司 | Horizontal machine tool counterweight device |
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| Publication number | Publication date |
|---|---|
| CN108890380A (en) | 2018-11-27 |
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Denomination of invention: A counterweight device for machine tool Effective date of registration: 20220414 Granted publication date: 20200901 Pledgee: Wuhu Wanyi District sub branch of China Postal Savings Bank Co.,Ltd. Pledgor: ANHUI LUOSHI SHENGTAI AUTO PARTS CO.,LTD. Registration number: Y2022980004173 |
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Granted publication date: 20200901 Pledgee: Wuhu Wanyi District sub branch of China Postal Savings Bank Co.,Ltd. Pledgor: ANHUI LUOSHI SHENGTAI AUTO PARTS CO.,LTD. Registration number: Y2022980004173 |