CN112007987A - Punch press with mistaken touch prevention device and using method thereof - Google Patents
Punch press with mistaken touch prevention device and using method thereof Download PDFInfo
- Publication number
- CN112007987A CN112007987A CN202010706444.2A CN202010706444A CN112007987A CN 112007987 A CN112007987 A CN 112007987A CN 202010706444 A CN202010706444 A CN 202010706444A CN 112007987 A CN112007987 A CN 112007987A
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- push rod
- switch
- spring
- revolving door
- rod
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000002265 prevention Effects 0.000 title claims description 11
- 238000004080 punching Methods 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims description 30
- 230000001681 protective effect Effects 0.000 claims description 19
- 230000006698 induction Effects 0.000 claims description 16
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 210000003437 trachea Anatomy 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010000372 Accident at work Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention discloses a punch press with an anti-false touch device and a using method thereof. The invention provides a punch device for preventing a foot switch from being touched by mistake, which can improve the safety during punching, prevent safety accidents from occurring and simultaneously cultivate good operation habits and safety awareness of staff.
Description
Technical Field
The invention relates to the technical field of machine tools, in particular to a punch press with a false touch prevention device.
Background
The punch press is a punching machine tool commonly used in modern manufacturing industry, and generally comprises an upper die and a lower die, and blank pieces can be continuously punched after the installation and matching of the upper die and the lower die are completed, so that the punch press has the advantages of high punching efficiency, accurate size of parts after punching and the like. However, workers often neglect safety in order to improve efficiency during production, and perform stamping work without closing the protective cover; or the switch is touched by mistake in hurry to hurt the punch or other people when the punch presses down, so that safety accidents are caused, the efficiency is not improved, and great potential safety hazards exist.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a punch press with a false touch prevention device and a using method thereof.
In order to solve the technical problems, the invention is solved by the following technical scheme: a punch press with a device for preventing false touch comprises a frame, an upper die, a lower die and a foot switch arranged at the bottom of the frame, wherein a pressure sensing device is arranged on the side surface of the lower die.
In the above scheme, preferably, the pressure device includes ejector pin, first spring and preforming switch, the ejector pin slides and locates in the frame, first spring housing locates the ejector pin lower extreme and leans on boss and the frame in the inner chamber bottom on the ejector pin respectively, the preforming switch is located the ejector pin below and not with the ejector pin contact, preforming switch both ends link to each other through the electric wire and the electro-magnet that pops out in the device respectively and constitute the return circuit, its beneficial effect lies in: an electromagnet trigger switch is provided which energizes the electromagnet when the plunger is under pressure.
In the above scheme, it is preferred, pop out the device and include electro-magnet, second spring and response piece, the electro-magnet sets firmly in the frame bottom, the response piece sets firmly in the foot switch left side and wears to locate the electro-magnet centre bore through the slide bar, the second spring housing is located on the slide bar and is pushed up respectively by electro-magnet and response piece, the foot switch right side is equipped with door opener, and its beneficial effect lies in: the utility model provides a can be with the outside ejecting device of foot switch, accomodate inside the frame when not using, outside ejecting when using prevents to miss touching and the mistake of foot switch is kicked at ordinary times.
In the above scheme, it is preferred, the door opener includes revolving door, push rod, the revolving door rotates and locates the frame bottom, push rod one end is rotated and is located in the frame, and the other end links to each other with the revolving door, the push rod is single pole single action cylinder, be equipped with first air inlet and first gas outlet on the push rod, first air inlet passes through the trachea and links to each other with the second gas outlet that sets firmly the cylinder body bottom on the frame mesa, the cylinder body top is equipped with matched with piston rod with it, the piston rod sets firmly in the protection casing bottom, the protection casing slides and locates in the frame, and its beneficial effect lies in: the linked door opener between the protective cover and the foot switch is provided, the revolving door at the foot switch can be opened only after the protective cover is closed, and the use safety of the punch is improved.
In the above scheme, it is preferred, the ejector pin up end is higher than the lower mould surface, the ejector pin upper end is the arc surface, and the ejector pin material is stainless steel, and its beneficial effect lies in: the wear-resistant ejector rod is provided, so that the service life of the device is longer, and the ejector rod can be timely stressed when a plate is placed on the lower die.
In the above scheme, preferably, the preforming switch is contact switch, and the preforming has elasticity, and its beneficial effect lies in: the switch device with good contact is provided, the switch can be closed by a small amount of pressure, and the elastic pressing sheet can automatically separate from the pressing sheet when the pressing sheet is not stressed, so that the switch device is convenient and effective.
In the above-mentioned scheme, it is preferred, revolving door length width size is greater than foot switch cross-sectional dimension, the revolving door lower extreme is equipped with the semicircle arc face, the revolving door material is nylon, and its beneficial effect lies in: the revolving door is small in resistance to the pedal switch, is made of nylon, and is wear-resistant, reliable and long in service life.
In the above scheme, it is preferred, piston rod end is equipped with the piston, the cover is equipped with O type circle on the piston, its beneficial effect lies in: the piston with better sealing performance is provided, so that closed air pressure is generated when the piston is in contact with a cylinder body, and better pneumatic pressure is transmitted.
A method of using a press having a false touch prevention device as claimed in claim 1, comprising the steps of: firstly, after the upper die and the lower die are matched, a plate to be stamped is placed on the lower die, the plate presses the ejector rod downwards, and the ejector rod overcomes the elastic force of a first spring to close a pressing piece on a pressing piece switch; secondly, after the pressing piece is closed, the electromagnet is electrified, so that the induction block overcomes the elasticity of the second spring and slides rightwards, and the induction block drives the foot switch to slide rightwards until the foot switch abuts against the revolving door; after a plate to be stamped is placed, the protective cover needs to be closed during stamping, the protective cover is manually slid downwards, after a piston on a piston rod arranged at the bottom of the protective cover is in contact fit with the cylinder body, air pressure generated in the cylinder body is pressed into the first air inlet through the second air outlet and the air cylinder, the push rod is contracted, the rotating door rotates, and the protective cover is closed; fourthly, the electromagnet is in a power-on state, the foot switch is moved out of the rack through the opening of the revolving door, and the punching machine is punched by manually treading the foot switch; after stamping is completed, the protective cover manually slides upwards, the push rod is not pressed any more, the push rod is extended due to the work of the internal spring, the arc surface of the revolving door is pressed on the upper surface of the foot switch, the plate is taken away, the ejector rod is reset, the first spring is reset, the pressing piece of the pressing piece switch is not stressed any more, the pressing piece is disengaged, the electromagnet is powered off, so that the second spring is reset, the induction block drives the foot switch to slide leftwards under the action of the second spring force, and the revolving door is automatically closed under the action of the spring force of the push rod after the foot switch.
The invention has the beneficial effects that: the invention provides a device for preventing a pedal switch of a punch from being touched by mistake, which can be used for accommodating the pedal switch into a frame when not in use, preventing the pedal switch from being touched by mistake at ordinary times, preventing dust and simultaneously ensuring that a worker has to close a protective cover to prevent scraps from splashing when stamping by linkage between the protective cover and the pedal switch, and avoiding unnecessary industrial accidents.
Drawings
Fig. 1 is a schematic front view of the present invention.
FIG. 2 is a schematic view of the pressure sensing device of the present invention.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1 and 2, the punch press with the false touch prevention device comprises a frame 1, an upper die 2, a lower die 3 and a foot switch 4 arranged at the bottom of the frame 1, wherein the foot switch 4 is preferably arranged inside the frame 1, a pressure sensing device is arranged on the side surface of the lower die 3, and the pressure sensing device is preferably arranged inside the frame 1.
Preferably, the pressure sensing device comprises a push rod 5, a first spring 6 and a tablet switch 7, the push rod 5 is slidably arranged in the rack 1, a cavity for the push rod 5 to slide is preferably arranged in the rack 1, preferably, the upper end surface of the push rod 5 is higher than the plane of the lower die 3, so that a plate can be pressed on the push rod 5 after being placed on the lower die 3, and the upper end surface of the push rod 5 is preferably an arc surface, and is preferably made of wear-resistant materials such as stainless steel; the lower end of the ejector rod 5 is sleeved with the first spring 6 and abuts against an upper boss of the ejector rod 5 and the bottom of a cavity in the frame 1 respectively, the upper boss of the ejector rod 5 and the ejector rod 5 are preferably integrally formed, the pressing piece switch 7 is arranged below the ejector rod 5 and is not in contact with the ejector rod 5, two ends of the pressing piece switch 7 are connected with an electromagnet 8 in the ejection device through electric wires to form a loop, preferably, the pressing piece switch 7 is a contact switch, pressing pieces of the pressing piece switch are elastic, and the pressing piece can be separated when not subjected to external force and is of a common structure in the existing design, such as a torsion spring arranged at a rotary connecting point of the pressing piece.
Preferably, the popping device comprises an electromagnet 8, a second spring 9 and an induction block 10, the electromagnet 8 is fixedly arranged at the bottom of the rack 1, an insulating material is arranged between the electromagnet 8 and the bottom of the rack, the induction block 10 is fixedly arranged at the left side of the foot switch 4 and is arranged in a central hole of the electromagnet 8 in a penetrating manner through a sliding rod 11, and the induction block 10 is preferably made of an iron material; the sliding rod 11 is preferably a threaded rod, and the induction block 11 is in threaded connection with the foot switch 4 through the sliding rod 11; the second spring 9 is sleeved on the sliding rod 11 and is respectively abutted against the electromagnet 8 and the induction block 10, and the right side of the foot switch 4 is provided with a door opening device.
Preferably, the door opener is arranged on the bottom side surface of the rack 1, the door opener comprises a revolving door 12 and a push rod 13, the length and width of the revolving door 12 are preferably larger than the cross-sectional dimension of the foot switch 4, the lower end of the revolving door 12 is provided with a semi-arc surface, so that the friction between the lower end surface of the revolving door 12 and the upper plane of the foot switch 4 is reduced, the revolving door 12 is preferably made of nylon, the wear resistance and the service life of the revolving door 12 are improved, the revolving door 12 is preferably arranged at the bottom of the rack 1 in a pin shaft rotating manner, one end of the push rod 13 is arranged on the rack 1 in a rotating manner, the other end of the push rod 13 is connected with the revolving door 12, the outer side surface of the rack 1 is preferably provided with a pin shaft hole matched with the push rod 13, the; be equipped with first air inlet 14 and first gas outlet 15 on the push rod 13, first air inlet 14 links to each other with the second gas outlet 17 that sets firmly the cylinder body 16 bottom on the mesa of frame 1 through the trachea, cylinder body 16 top is equipped with matched with piston rod 18 with it, piston rod 18 tip preferred is equipped with piston 20, the cover is equipped with O type circle 21 on the piston 20, piston rod 18 sets firmly in protection casing 19 bottom, protection casing 19 slides and locates on the frame 1.
The working principle or the using method is as follows:
after the punch is matched with the upper die and the lower die, a plate to be punched is placed on the lower die 3, the ejector rod 5 is pressed downwards by the outer edge of the plate, and the ejector rod 5 overcomes the elastic force of the first spring 6 to close a pressing piece on the pressing piece switch 7; after the pressing piece is closed, the electromagnet 8 is electrified, so that the induction block 10 overcomes the elasticity of the second spring 9 and slides rightwards, and the induction block 10 drives the foot switch 4 to slide rightwards until the foot switch abuts against the rotating door 12; after a plate to be punched is placed, the protective cover 19 needs to be closed during punching, the protective cover 19 is manually slid downwards, after a piston 20 on a piston rod 18 arranged at the bottom of the protective cover 19 is in contact fit with a cylinder body 16, air pressure generated in the cylinder body 16 is pressed into a first air inlet 14 through a second air outlet 17 and an air cylinder, so that the push rod 13 is contracted under the action of internal spring force, the revolving door 12 rotates, and the protective cover 19 is closed; at the moment, the electromagnet 8 is still in the power-on state, so that the foot switch 4 is moved out of the rack 1 through the opening of the revolving door 12, and at the moment, the foot switch 4 is manually stepped to punch the punch; 19 manual upwards slides of protection casing after the punching press is accomplished, push rod 13 is no longer pressurized, inside spring work makes push rod 13 extension, revolving door 12 arc surface is pressed at foot switch 4 upper surface, the plate is taken away, ejector pin 5 resets, first spring 6 resets, 7 preforming of preforming switch are no longer atress, the preforming is thrown off, 8 outage of electro-magnet, make second spring 9 reset, response piece 10 drives foot switch 4 and slides left under the effect of second spring force, revolving door 12 is automatic shutdown under the effect of push rod 13 spring force after foot switch 4 slides into frame 1 completely.
The device can improve the safety and reliability of the punch press during punching, and can enhance the operation habit and safety awareness of workers during punching.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides a punch press with prevent mistake and touch device, includes frame (1), goes up mould (2), lower mould (3) and locates foot switch (4) of frame (1) bottom, its characterized in that: a pressure sensing device is arranged on the side surface of the lower die (3);
the pressure sensing device comprises a push rod (5), a first spring (6) and a pressing switch (7), the push rod (5) is arranged in the rack (1) in a sliding mode, the first spring (6) is sleeved at the lower end of the push rod (5) and abuts against an upper boss of the push rod (5) and the bottom of a cavity in the rack (1) respectively, the pressing switch (7) is arranged below the push rod (5) and is not in contact with the push rod (5), and two ends of the pressing switch (7) are connected with an electromagnet (8) in the ejecting device through electric wires respectively to form a loop;
the popping device comprises an electromagnet (8), a second spring (9) and an induction block (10), the electromagnet (8) is fixedly arranged at the bottom of the rack (1), the induction block (10) is fixedly arranged at the left side of the pedal switch (4) and penetrates through a central hole of the electromagnet (8) through a sliding rod (11), the second spring (9) is sleeved on the sliding rod (11) and respectively props against the electromagnet (8) and the induction block (10), and a door opening device is arranged at the right side of the pedal switch (4);
the door opener includes revolving door (12), push rod (13), revolving door (12) are rotated and are located frame (1) bottom, on push rod (13) one end was rotated and is located frame (1), the other end linked to each other with revolving door (12), push rod (13) are single-pole single-action cylinder, be equipped with first air inlet (14) and first gas outlet (15) on push rod (13), first air inlet (14) link to each other with second gas outlet (17) that set firmly cylinder body (16) bottom on frame (1) mesa through the trachea, cylinder body (16) top is equipped with matched with piston rod (18) with it, piston rod (18) set firmly in protection casing (19) bottom, protection casing (19) slide and locate on frame (1).
2. The punch press with the false touch prevention device according to claim 1, wherein: the upper end surface of the ejector rod (5) is higher than the surface of the lower die (3), the upper end of the ejector rod (5) is an arc surface, and the ejector rod (5) is made of stainless steel.
3. The punch press with the false touch prevention device according to claim 1, wherein: the pressing piece switch (7) is a contact switch, and the pressing piece has elasticity.
4. The punch press with the false touch prevention device according to claim 1, wherein: the length and width of the revolving door (12) are larger than the cross-sectional dimension of the foot switch (4), a semi-arc surface is arranged at the lower end of the revolving door (12), and the revolving door (12) is made of nylon.
5. The punch press with the false touch prevention device according to claim 1, wherein: the piston rod (18) end is equipped with piston (20), the cover is equipped with O type circle (21) on piston (20).
6. A method of using a press having a false touch prevention device as claimed in claim 1, wherein: the method comprises the following steps: firstly, after the upper die and the lower die are matched, a plate to be stamped is placed on the lower die, the plate presses the ejector rod downwards, and the ejector rod overcomes the elastic force of a first spring to close a pressing piece on a pressing piece switch; secondly, after the pressing piece is closed, the electromagnet is electrified, so that the induction block overcomes the elasticity of the second spring and slides rightwards, and the induction block drives the foot switch to slide rightwards until the foot switch abuts against the revolving door; after a plate to be stamped is placed, the protective cover needs to be closed during stamping, the protective cover is manually slid downwards, after a piston on a piston rod arranged at the bottom of the protective cover is in contact fit with the cylinder body, air pressure generated in the cylinder body is pressed into the first air inlet through the second air outlet and the air cylinder, the push rod is contracted, the rotating door rotates, and the protective cover is closed; fourthly, the electromagnet is in a power-on state, the foot switch is moved out of the rack through the opening of the revolving door, and the punching machine is punched by manually treading the foot switch; after stamping is completed, the protective cover manually slides upwards, the push rod is not pressed any more, the push rod is extended due to the work of the internal spring, the arc surface of the revolving door is pressed on the upper surface of the foot switch, the plate is taken away, the ejector rod is reset, the first spring is reset, the pressing piece of the pressing piece switch is not stressed any more, the pressing piece is disengaged, the electromagnet is powered off, so that the second spring is reset, the induction block drives the foot switch to slide leftwards under the action of the second spring force, and the revolving door is automatically closed under the action of the spring force of the push rod after the foot switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010706444.2A CN112007987B (en) | 2020-07-21 | 2020-07-21 | Punch press with mistaken touch prevention device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010706444.2A CN112007987B (en) | 2020-07-21 | 2020-07-21 | Punch press with mistaken touch prevention device and using method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112007987A true CN112007987A (en) | 2020-12-01 |
| CN112007987B CN112007987B (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010706444.2A Active CN112007987B (en) | 2020-07-21 | 2020-07-21 | Punch press with mistaken touch prevention device and using method thereof |
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| Country | Link |
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| CN (1) | CN112007987B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114682707A (en) * | 2022-03-30 | 2022-07-01 | 浙江金澳兰机床有限公司 | Punch press with protective structure |
| CN114682708A (en) * | 2022-03-30 | 2022-07-01 | 浙江金澳兰机床有限公司 | Punch press with buffer structure |
| CN115945606A (en) * | 2023-03-14 | 2023-04-11 | 山东恩驰汽车配件有限公司 | Protection device of punch press |
| CN116475763A (en) * | 2023-04-19 | 2023-07-25 | 浙江裕融实业股份有限公司 | Crusher auxiliary plate production device and production process thereof |
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| CN110465574A (en) * | 2019-09-09 | 2019-11-19 | 浙江金澳兰机床有限公司 | Safty shield and its application method on a kind of punching machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114682707A (en) * | 2022-03-30 | 2022-07-01 | 浙江金澳兰机床有限公司 | Punch press with protective structure |
| CN114682708A (en) * | 2022-03-30 | 2022-07-01 | 浙江金澳兰机床有限公司 | Punch press with buffer structure |
| CN114682707B (en) * | 2022-03-30 | 2023-09-08 | 浙江金澳兰机床有限公司 | Punch press with protective structure |
| CN114682708B (en) * | 2022-03-30 | 2023-09-08 | 浙江金澳兰机床有限公司 | Punch press with buffer structure |
| CN115945606A (en) * | 2023-03-14 | 2023-04-11 | 山东恩驰汽车配件有限公司 | Protection device of punch press |
| CN116475763A (en) * | 2023-04-19 | 2023-07-25 | 浙江裕融实业股份有限公司 | Crusher auxiliary plate production device and production process thereof |
| CN116475763B (en) * | 2023-04-19 | 2024-03-19 | 浙江裕融实业股份有限公司 | Crusher auxiliary plate production device and production process thereof |
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|---|---|
| CN112007987B (en) | 2021-06-18 |
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Denomination of invention: A punch with an anti-mistouch device and a method of using the same Effective date of registration: 20220816 Granted publication date: 20210618 Pledgee: China Construction Bank Corporation Wuyi Sub-branch Pledgor: Zhejiang Jinaolan Machine Tool Co.,Ltd. Registration number: Y2022330001662 |
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Denomination of invention: A punching machine with anti misoperation device and its usage method Effective date of registration: 20231208 Granted publication date: 20210618 Pledgee: China Construction Bank Corporation Wuyi Sub-branch Pledgor: Zhejiang Jinaolan Machine Tool Co.,Ltd. Registration number: Y2023330002976 |