CN114682707A - Punch press with protective structure - Google Patents
Punch press with protective structure Download PDFInfo
- Publication number
- CN114682707A CN114682707A CN202210323049.5A CN202210323049A CN114682707A CN 114682707 A CN114682707 A CN 114682707A CN 202210323049 A CN202210323049 A CN 202210323049A CN 114682707 A CN114682707 A CN 114682707A
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- Prior art keywords
- matched
- shell
- pedal
- punch press
- fuselage
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- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Control Devices (AREA)
Abstract
The invention discloses a punch with a protective structure, which comprises a punch body and a protective cover arranged on the punch body, wherein a movable foot switch device is arranged on the punch body, a positioning rod is arranged on the punch body, and the foot switch device is rotatably arranged on the positioning rod; the protective cover is provided with a first piston, and the positioning rod is provided with a first cylinder body matched with the first piston; the pedal switch device comprises a shell and a pedal movably arranged in the shell, wherein a second cylinder body matched with the first cylinder body is arranged on the shell, a movable piston rod is arranged on the second cylinder body, a sliding block which is matched with the piston rod and the pedal and can lock or unlock the pedal is arranged in the shell, and a groove body matched with the piston rod is arranged on the sliding block.
Description
Technical Field
The invention relates to the technical field of punching machines, in particular to a punching machine with a protection structure.
Background
A punch press is a common production device, and is generally used for punching various plates and dies, and parts are formed by punching through a punch; present punch press is for placing the blank usually open, and it easily causes the incident when foot switch mistake touches, and foot switch is fixed usually, and a certain position at the punch press periphery is fixed to the single-point promptly, and when needs hand blank carry out punching press operation this moment, can be because of foot switch is far away from operating personnel and can't start the punch press, simultaneously, foot switch need comparatively stable trampling the position when stepping on, makes the punching press more stable safety.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a punch with a protective structure.
In order to solve the technical problems, the invention is solved by the following technical scheme: a punch press with a protective structure comprises a punch body and a protective cover arranged on the punch body.
In the above scheme, preferably, the machine body is provided with a movable foot switch device, the machine body is provided with a positioning rod, and the foot switch device is rotatably arranged on the positioning rod;
the protective cover is provided with a first piston, and the positioning rod is provided with a first cylinder body matched with the first piston;
the pedal switch device comprises a shell and a movable pedal arranged inside the shell, wherein a second cylinder body matched with the first cylinder body is arranged on the shell, a movable piston rod is arranged on the second cylinder body, a sliding block which is matched with the piston rod and the pedal and can lock or unlock the pedal is arranged in the shell, and a groove body matched with the piston rod is arranged on the sliding block.
In the above scheme, preferably, the sliding block is slidably disposed on the housing, the sliding block is provided with a guide plate, one end of the guide plate is provided with a guide pin, the other end of the guide plate is provided with a locking pin matched with the pedal, and a first spring is disposed between the guide plate and the housing.
In the above scheme, preferably, the groove body is a chute inclined downwards to one side close to the pedal due to self-injury, the piston rod is provided with a sliding pin matched with the groove body, and the pedal is provided with a locking hole matched with the locking pin.
In the above scheme, preferably, the housing is rotatably disposed on the positioning rod through a connecting rod, the connecting rod is provided with a rotating ring matched with the positioning rod, the rotating ring is provided with a first tooth portion, and the positioning rod is provided with a rotating groove matched with the rotating ring.
In the above scheme, preferably, the positioning rod is provided with a sliding ring matched with the rotating ring, the sliding ring is provided with a second tooth part matched with the first tooth part, a second spring is arranged between the sliding ring and the positioning rod, and the sliding ring is provided with a first electromagnet capable of adsorbing the rotating ring.
In the above scheme, preferably, the door panel is arranged on the casing, the first button matched with the door panel is arranged in the casing, and the first button is electrically connected with the first electromagnet.
In the above scheme, it is preferred that the protection casing slides and locates on the fuselage, be equipped with the third spring between protection casing and the fuselage, the protection casing lower extreme is equipped with the first round pin piece with fuselage matched with.
In the above scheme, preferably, be equipped with on the fuselage with first round pin piece matched with second round pin piece, second round pin piece slides and locates on the fuselage, be equipped with the fourth spring between second round pin piece and the fuselage, be equipped with first inclined plane on the first round pin piece, be equipped with on the second round pin piece with first inclined plane matched with second inclined plane.
In the above scheme, it is preferred that the second round pin piece is connected with magnetism through the connecting rod and inhales the piece, be equipped with on the fuselage with connecting rod matched with mounting panel, be equipped with the second electro-magnet that can the circular telegram adsorb magnetism and inhale the piece on the fuselage, be equipped with in the casing with footboard matched with second button, the second button is connected with the second electro-magnet electricity.
The invention has the beneficial effects that: the invention provides a device which can enable a pedal switch to lock a pedal when a protective cover is not closed through linkage of the protective cover and the pedal switch, greatly improves the stamping safety, and can lock the position of the pedal switch when an operator uses the pedal switch, thereby improving the stamping stability.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a schematic cross-sectional view of the present invention.
FIG. 3 is an enlarged schematic view of the structure at A of the present invention.
Fig. 4 is a schematic view of the fitting structure of the first pin block and the second pin block of the present invention.
Fig. 5 is a schematic perspective view of the positioning rod of the present invention.
FIG. 6 is a schematic view of the housing and the rotating ring of the present invention.
FIG. 7 is a schematic view of a partial perspective structure of the pedal of the present invention.
Fig. 8 is a schematic perspective view of the slider 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. 1-8, a punch press with a protection structure comprises a punch press body 1 and a protection cover 2 arranged on the punch press body, wherein the protection cover 2 is arranged on the punch press body 1 in a sliding mode through a sliding rail, a handle capable of being pulled by an operator is arranged on the protection cover 2, and an observation window can be arranged on the protection cover 2 and facilitates penetrating through a punching state.
A third spring 51 is arranged between the upper end surface of the protection cover 2 and the upper part of the punch press body 1, the third spring 51 is an extension spring, and two ends of the third spring 51 are respectively fixedly connected with the body 1 and the upper end of the protection cover 2, namely the third spring 51 is extended after the protection cover 2 slides downwards along the sliding rail; the protection cover is characterized in that a first pin block 52 is fixedly arranged at the bottom of the rear end face of the protection cover 2, a first inclined plane 55 is arranged on the first pin block 52, the first inclined plane 55 extends to one side of the protection cover 2 from top to bottom, a second pin block 53 matched with the first pin block 52 is arranged on the machine body 1, a second inclined plane 56 matched with the first inclined plane 55 is arranged on the second pin block 53, and the second inclined plane 56 extends to one side close to the protection cover 2 from top to bottom.
The second pin block 53 is provided with a connecting rod 61, the connecting rod 61 is preferably a non-circular rod and can be a square rod or a hexagonal rod, the machine body 1 is provided with an installation plate 63 matched with the connecting rod 61, the installation plate 63 is provided with a sliding hole matched with the connecting rod 61 in shape, namely the connecting rod 61 is arranged to penetrate through the installation plate 63 in a sliding manner; a fourth spring 54 is arranged between the second pin block 53 and the mounting plate 63, the fourth spring 54 is sleeved on the connecting rod 61, and two ends of the fourth spring respectively abut against the second pin block 53 and the mounting plate 63.
The connecting rod 61 is fixedly provided with a magnetic attraction block 62 after penetrating through the mounting plate 63, the machine body 1 is provided with a second electromagnet 64 which can be electrified to adsorb the magnetic attraction block 62 and slide due to magnetic force, and when the second electromagnet 64 is not electrified, a certain distance is reserved between the second electromagnet 64 and the magnetic attraction block 62.
The improved gas compressor is characterized in that a positioning rod 3 is fixedly arranged on the machine body 1, the positioning rod 3 is preferably a hexagonal rod, a first cylinder body 5 is fixedly arranged at the upper end of the positioning rod 3, the upper end of the first cylinder body 5 is an opening, a gas outlet 101 is formed in the outer wall of the lower portion of the first cylinder body, a first piston 4 matched with the inner hole wall of the first cylinder body 5 is arranged on the protection cover 2, namely the protection cover 2 can slide downwards and then be arranged in the first cylinder body 5, and gas of the first cylinder body 5 is compressed to discharge the gas out of the gas outlet 101.
The lower end of the positioning rod 3 is rotatably provided with a foot switch device, the foot switch device comprises a shell 11 and a pedal 12 rotatably arranged in the shell, the rotation of the pedal 12 and the resetting after treading are set to be the prior art, the description is not expanded, the bottom of the shell 11 is provided with a second button 65 matched with the pedal 12, namely, the second button 65 is triggered by the contact of the pedal 12 treading and rotating with the second button 65, the second button 65 is a delay button, and the second button 65 is connected with a second electromagnet 64 through a cable.
The upper end surface of the shell 11 is provided with a second cylinder body 13 matched with the first cylinder body 5, the upper end surface of the second cylinder body 13 is provided with an air inlet connected with the air outlet 101, namely, the compressed air of the first cylinder body 5 can enter the second cylinder body 13 after being discharged through the air outlet 101.
A movable piston rod 14 is arranged in the second cylinder 13, the piston rod 14 penetrates through the upper end face of the shell 11, the end part of the piston rod is arranged in the shell 11, a sliding pin 25 is fixedly arranged at the end part of the piston rod 14, connecting plates connected with the end part of the piston rod 14 are arranged at the two ends of the sliding pin 25, a sliding block 15 matched with the pedal 12 is arranged in the shell 11, as shown in fig. 7, a groove 16 matched with the sliding pin 25 is arranged on the sliding block 15, the groove 16 inclines to one side close to the pedal 12 from top to bottom, a guide plate 21 is fixedly arranged at the left end of the slide block 15, a guide pin 22 is arranged on the left end surface of the guide plate 21, the guide pins 22 are symmetrically arranged at two sides of the sliding block 15, the guide pins 22 are arranged by penetrating through the wall of the left side of the shell 11 in a sliding way, a first spring 24 is arranged between the guide plate 21 and the housing 11, the guide pin 22 is sleeved with the first spring 24, and two ends of the first spring respectively abut against the guide plate 21 and the housing 11.
The right end face of the guide plate 21 is symmetrically provided with a locking pin 23, the locking pin 23 is slidably arranged through a locking hole 26 of the pedal 12, namely when the first spring 24 is in a free stretching state, the guide plate 21 slides rightwards to enable the locking pin 23 to slide into the locking hole 26, the pedal 12 cannot be stepped on, after the second cylinder body 13 is ventilated, the piston rod 14 is pressed downwards, at the moment, the groove body 16 on the sliding block 15 enables the sliding block 15 to compress the first spring 24 leftwards due to the extrusion force of the sliding pin 25, the locking pin 23 slides out of the locking hole 26, and at the moment, the pedal 12 is unlocked and can be stepped on.
The shell 11 is connected with a rotating ring 32 through a connecting rod 31, the rotating ring 32 is rotatably arranged below the positioning rod 3, a rotating groove 34 matched with the rotating ring 32 is arranged below the positioning rod 3, namely, the rotating ring 32 is rotatably sleeved in the rotating groove 34, a first protruding tooth part 33 is arranged on the upper end face of the rotating ring 32, a sliding ring 35 is arranged on the positioning rod 31 in a sliding mode, the sliding ring 35 is arranged above the rotating ring 32, a hole body matched with the positioning rod 3 is arranged in the sliding ring 35, namely, the positioning rod 3 is a hexagonal rod, a hexagonal hole is formed in the sliding ring 35, and the sliding ring 35 can only slide on the positioning rod 3 and cannot rotate relatively.
The lower end of the sliding ring 35 is provided with a second tooth portion 36 matched with the first tooth portion 33, that is, the sliding ring 35 slides downward and then can be meshed with the first tooth portion 33 together with the second tooth portion 36, the positioning rod 3 is provided with a limiting plate 102, a second spring 37 is arranged between the limiting plate 102 and the sliding ring 35, the second spring 37 is sleeved on the positioning rod 3, and two ends of the second spring 37 respectively abut against the sliding ring 35 and the limiting plate 102.
The outer ring of the sliding ring 35 is provided with a first electromagnet 38, and the first electromagnet 38 can slide and be adsorbed on the outer ring of the rotating ring 32 after being electrified.
The opening of the shell 11 is provided with a door panel 41, the door panel 41 is rotatably arranged on the shell 11, a rotating fulcrum of the door panel 41 is arranged on the upper side of the shell 11, a first button 42 matched with the door panel 41 is arranged on the inner wall of the upper side of the shell 11, the first button 42 is electrically connected with the first electromagnet 38, namely, the door panel 41 can be triggered by contacting with the first button 42 on the inner wall of the upper side of the shell 11 after being turned inwards, so that the first electromagnet 38 is electrified, the door panel 41 is more reasonably arranged, the shape of the door panel is preferably an arc shape protruding outwards the shell 11, and when the door panel 41 is not stressed, the door panel is freely hung at the opening of the shell 11 due to gravity.
The method using the punch press with the protective structure comprises the following steps: when the protective cover 2 is used, when the protective cover 2 does not slide downwards, namely the protective cover 2 does not play a protective role, an operator may have a safety accident because the protective cover is not in place, at the moment, the pedal 12 is locked above under the cooperation of the locking pin 23 and the first spring 24, and the operator cannot step down if the operator steps on the pedal by mistake; when the protection cover 2 slides downwards to a position with a protection function, the first piston 4 is matched with the first cylinder body 5, so that gas in the first cylinder body 5 is compressed and introduced into the second cylinder body 13, the piston rod 14 pushes downwards after the second cylinder body 13 is inflated, the sliding pin 25 slides in the groove body 16, the sliding block 15 is guided by the guide pin 22, the sliding block 15 slides leftwards when the groove body 16 is extruded, the sliding block 15 slides leftwards to drive the locking pin 23 to be separated from the pedal 12, so that the pedal 12 can be stepped on, meanwhile, after the protection cover 2 slides downwards, the first pin block 52 extrudes the second pin block 53 and then is arranged below the second pin block 53, namely, the protection cover 2 is locked at the protection position, when an operator needs to step on the pedal 12, the foot extends into the shell body 11, the foot extends into the door panel 41 to trigger the first button 42, the first electromagnet 38 is electrified after the first button 42 is triggered, the sliding ring 35 is made to slide downwards to be meshed with the tooth part on the rotating ring 32, at the moment, the shell 11 cannot rotate due to the meshing of the sliding ring 35 and the rotating ring 32, namely, the shell 11 is fixed relative to the machine body 1, the pedal 12 is stepped on more stably, and the stability of controlling the pedal 12 when an operator holds the pedal exposed on the outer side plate of the machine body 1 is guaranteed.
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 (9)
1. The utility model provides a punch press with protective structure, includes fuselage (1) and locates protection casing (2) on it, its characterized in that: a movable foot switch device is arranged on the machine body (1), a positioning rod (3) is arranged on the machine body (1), and the foot switch device is rotatably arranged on the positioning rod (3);
a first piston (4) is arranged on the protective cover (2), and a first cylinder body (5) matched with the first piston (4) is arranged on the positioning rod (3);
the foot switch device comprises a shell (11) and a movable pedal (12) arranged inside the shell, wherein a second cylinder body (13) matched with the first cylinder body (5) is arranged on the shell (11), a movable piston rod (14) is arranged on the second cylinder body (13), a sliding block (15) which is matched with the piston rod (14) and the pedal (12) and can lock or unlock the pedal (12) is arranged in the shell (11), and a groove body (16) matched with the piston rod (14) is arranged on the sliding block (15).
2. The punch press with the protective structure according to claim 1, wherein: the sliding block (15) is arranged on the shell (11) in a sliding mode, a guide plate (21) is arranged on the sliding block (15), a guide pin (22) is arranged at one end of the guide plate (21), a locking pin (23) matched with the pedal (12) is arranged at the other end of the guide plate (21), and a first spring (24) is arranged between the guide plate (21) and the shell (11).
3. The punch press with the protective structure according to claim 2, wherein: the novel pedal is characterized in that the groove body (16) is a chute which is inclined downwards to one side close to the pedal (12) due to self-injury, a sliding pin (25) matched with the groove body (16) is arranged on the piston rod (14), and a locking hole (26) matched with the locking pin (23) is arranged on the pedal (12).
4. The punch press with the protective structure according to claim 1, wherein: the shell (11) is rotatably arranged on the positioning rod (3) through a connecting rod (31), a rotating ring (32) matched with the positioning rod (3) is arranged on the connecting rod (31), a first tooth part (33) is arranged on the rotating ring (32), and a rotating groove (34) matched with the rotating ring (32) is arranged on the positioning rod (3).
5. The punch press with the protective structure as claimed in claim 4, wherein: be equipped with on locating lever (3) with swivel becket (32) matched with slip ring (35), be equipped with on slip ring (35) with first tooth portion (33) matched with second tooth portion (36), be equipped with second spring (37) between slip ring (35) and locating lever (3), be equipped with first electro-magnet (38) that can adsorb swivel becket (32) on slip ring (35).
6. The punch press with the protective structure as claimed in claim 5, wherein: the electromagnetic switch is characterized in that a door plate (41) is arranged on the shell (11), a first button (42) matched with the door plate (41) is arranged in the shell (11), and the first button (42) is electrically connected with the first electromagnet (38).
7. The punch press with the protective structure according to claim 1, wherein: the protection casing (2) slide and locate on fuselage (1), be equipped with third spring (51) between protection casing (2) and fuselage (1), protection casing (2) lower extreme is equipped with and fuselage (1) matched with first round pin piece (52).
8. The punch press with the protective structure as claimed in claim 7, wherein: be equipped with on fuselage (1) with first round pin piece (52) matched with second round pin piece (53), second round pin piece (53) slide locate fuselage (1) on, be equipped with fourth spring (54) between second round pin piece (53) and fuselage (1), be equipped with first inclined plane (55) on first round pin piece (52), be equipped with on second round pin piece (53) with first inclined plane (55) matched with second inclined plane (56).
9. The punch press with the protective structure according to claim 8, wherein: second round pin piece (53) are connected with magnetism through connecting rod (61) and inhale piece (62), be equipped with on fuselage (1) with connecting rod (61) matched with mounting panel (63), but be equipped with second electro-magnet (64) that the piece (62) was inhaled to the adsorption of electricity on fuselage (1), be equipped with in casing (11) and footboard (12) matched with second button (65), second button (65) are connected with second electro-magnet (64) electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210323049.5A CN114682707B (en) | 2022-03-30 | 2022-03-30 | Punch press with protective structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210323049.5A CN114682707B (en) | 2022-03-30 | 2022-03-30 | Punch press with protective structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114682707A true CN114682707A (en) | 2022-07-01 |
| CN114682707B CN114682707B (en) | 2023-09-08 |
Family
ID=82141220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210323049.5A Active CN114682707B (en) | 2022-03-30 | 2022-03-30 | Punch press with protective structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114682707B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB119171A (en) * | 1918-01-16 | 1918-09-26 | Thomas Henry Webb | A Guard for Power Presses, and the like. |
| GB620246A (en) * | 1947-01-11 | 1949-03-22 | J B Brooks & Co Ltd | Improvements relating to guards for power presses |
| GB663074A (en) * | 1948-06-02 | 1951-12-19 | Press Guards Ltd | Improvements in or relating to guards for power-presses and the like |
| GB955562A (en) * | 1961-10-04 | 1964-04-15 | Thompson Jack Evans | Improvements in or relating to guards for machines |
| CN101722253A (en) * | 2008-10-31 | 2010-06-09 | 马永涛 | Safety protection device of rigid punching machine |
| CN207787551U (en) * | 2018-01-23 | 2018-08-31 | 东莞市同益自动化科技有限公司 | A kind of electric punch malfunction protective device |
| 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 |
| CN112007987A (en) * | 2020-07-21 | 2020-12-01 | 浙江金澳兰机床有限公司 | Punch press with mistaken touch prevention device and using method thereof |
| CN112024761A (en) * | 2020-07-21 | 2020-12-04 | 浙江金澳兰机床有限公司 | Punch switch locking device and using method thereof |
| CN212495041U (en) * | 2020-01-07 | 2021-02-09 | 广东联兴锻压机床实业有限公司 | Safety brake device for punch press |
-
2022
- 2022-03-30 CN CN202210323049.5A patent/CN114682707B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB119171A (en) * | 1918-01-16 | 1918-09-26 | Thomas Henry Webb | A Guard for Power Presses, and the like. |
| GB620246A (en) * | 1947-01-11 | 1949-03-22 | J B Brooks & Co Ltd | Improvements relating to guards for power presses |
| GB663074A (en) * | 1948-06-02 | 1951-12-19 | Press Guards Ltd | Improvements in or relating to guards for power-presses and the like |
| GB955562A (en) * | 1961-10-04 | 1964-04-15 | Thompson Jack Evans | Improvements in or relating to guards for machines |
| CN101722253A (en) * | 2008-10-31 | 2010-06-09 | 马永涛 | Safety protection device of rigid punching machine |
| CN207787551U (en) * | 2018-01-23 | 2018-08-31 | 东莞市同益自动化科技有限公司 | A kind of electric punch malfunction protective device |
| 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 |
| CN212495041U (en) * | 2020-01-07 | 2021-02-09 | 广东联兴锻压机床实业有限公司 | Safety brake device for punch press |
| CN112007987A (en) * | 2020-07-21 | 2020-12-01 | 浙江金澳兰机床有限公司 | Punch press with mistaken touch prevention device and using method thereof |
| CN112024761A (en) * | 2020-07-21 | 2020-12-04 | 浙江金澳兰机床有限公司 | Punch switch locking device and using method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114682707B (en) | 2023-09-08 |
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