CN212495041U - Safety brake device for punch press - Google Patents

Safety brake device for punch press Download PDF

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Publication number
CN212495041U
CN212495041U CN202020804744.XU CN202020804744U CN212495041U CN 212495041 U CN212495041 U CN 212495041U CN 202020804744 U CN202020804744 U CN 202020804744U CN 212495041 U CN212495041 U CN 212495041U
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CN
China
Prior art keywords
pedal
gear
compression spring
rod
punch press
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CN202020804744.XU
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Chinese (zh)
Inventor
阮宁涛
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Guangdong Lianxing Forging Machine Industry Co ltd
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Guangdong Lianxing Forging Machine Industry Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D55/00Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/10Brakes specially adapted for presses

Abstract

A safety brake device for punch press is composed of a punch press consisting of a main body with a clutch handle, a pedal under said main body, a drive unit between pedal and said gear, a drive unit for controlling the rotation of said gear, a connecting rod, a punch rod and a slide block. The utility model discloses effectively replace traditional extension spring structure, avoid long-time the use and lead to the spring to take place fatigue, fracture easily or the phenomenon of lengthening, the influence keeps off the wheel and normally resets. Effectively preventing the punch from generating continuous punching and damaging the die or personal safety accidents.

Description

Safety brake device for punch press
Technical Field
The utility model relates to a punch press safety brake.
Background
The existing safety brake device of the punch press is generally provided with a tension spring at a pedal, one end of the tension spring is connected with the pedal, and the other end of the tension spring is connected with a connecting rod, but the tension spring is easy to generate the phenomena of fatigue, elasticity looseness and even fracture after being used for a long time, so that the safety operation of an operator is unreliable, and the life and property safety of the operator is damaged; the life and property of the operating personnel are compensated for by the purchasers, so that the purchasers can follow the responsibility of the production and sales providers through legal approaches, and when the negotiation between the two parties fails, the legal dispute and official officers are entangled, the legal dispute is solved in a court. Therefore, further improvements are necessary for the manufacturers.
In addition, chinese patent document No. CN104802446A discloses 2015.07.29 a ratchet braking mechanism for a punch press, comprising a crankshaft, a ratchet and a ratchet manipulator, wherein the crankshaft is provided with a ratchet inner sleeve movably matched with the ratchet, the ratchet manipulator is composed of a ratchet shaft, a spring, a pawl and an electromagnet, the ratchet is provided with a positioning convex rod, the positioning convex rod is connected with a pusher dog and is connected with the pusher dog into a whole, the pusher dog is connected with a proximity switch and a control lever, and the control lever is connected with a clutch device. The structure is added with the ratchet manipulator which comprises a pawl shaft, a spring, a pawl and an electromagnet, so that the number of parts is increased, and the cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a structure sets up rationally, factor of safety is higher, safe operation is stronger, effectively ensures punch press operating personnel life and property safety's punch press safety brake device to overcome the weak point among the prior art.
The safety brake device for punching machine includes one punching machine body and one large gear rotating via crankshaft, one clutch key handle inside the large gear, one blocking wheel set on one side of the punching machine body corresponding to the clutch key handle, one pedal set below the punching machine body, one driving fitting part between the pedal and the blocking wheel to control the rotation of the blocking wheel, one blocking wheel contacting the clutch key handle during rotation to control the rotation of the crankshaft, one sliding block on the punching machine to stop, one blocking wheel separated from the clutch key handle during rotation, one clutch combination to make the crankshaft rotate, one connecting rod, one punching rod and one sliding block to punch up and down, and one punching machine to start work, through the transmission matching piece, the blocking wheel resets, blocks the key handle of the clutch, and the machine tool stops working.
The clutch key handle is arranged at the upper part of the right side of the machine tool and is provided with a switch box of the machine tool in a matching way.
The machine tool is also provided with pedals. A transmission fitting piece is arranged between the pedal and the catch wheel, and the pedal controls the rotation of the catch wheel through the transmission fitting piece. The catch wheel contacts the clutch key handle during rotation to control the crankshaft to rotate. Thereby stopping the slide of the machine tool. If the gear wheel rotates, the gear wheel is separated from the key handle, the clutch is combined, the crankshaft rotates, the pedal rod, the punching rod and the sliding block are driven to punch up and down, and the punching machine starts to work. The pedal is arranged below the right side of the machine tool, and the pedal rod passes through the compression spring fixing seat in a transverse mode. The transmission matching part comprises a connecting lever, a pedal rod and a pull rod which are connected in a hinge mode.
The compression spring is reset, the rotation of the catch wheel is controlled through the transmission matching piece, the catch wheel is contacted with the clutch key handle, and the large gear stops running; when the pedal is stepped on, the pedal rod extrudes the compression spring and controls the rotation of the catch wheel through the transmission matching piece, the catch wheel is separated from the clutch key handle, the large gear runs, and the punch works.
Effectively replace traditional extension spring structure, improve the security, avoid long-time use and lead to the spring to take place tired, elasticity not hard up phenomenon easily.
The transmission matching part is arranged on the machine body and also comprises a pull rod, a connecting lever and a rack; the pull rod is fixedly connected with the pedal rod, the pull rod is connected with the connecting lever in a matching way, the connecting lever is connected with the rack in a matching way, the catch wheel is connected with the rotating shaft, the gear is arranged on the outer side of the rotating shaft, and the gear is meshed with the rack; treading the pedals, wherein the pedal rod sequentially drives the pull rod and the connecting lever, and the connecting lever drives the rack to move so as to rotate the gear and further drive the catch wheel to be separated from the clutch key handle; or the pedal is released, the compression spring resets and springs open the pedal rod, the pedal rod sequentially drives the pull rod and the connecting lever to drive the rack to move, and the gear rotates to further drive the catch wheel to contact the clutch key handle.
The machine body is provided with a bent brake rod at one side close to the rack, and the brake rod contacts or is separated from a part for controlling the running of the large gear through the movement of the rack so as to control the running of the large gear.
The bent brake rod comprises a vertical rod and a cross rod used for controlling the running part of the big gear in a contact mode, and the vertical rod and the cross rod are connected and are in an L shape.
The machine body is provided with a supporting block corresponding to the connecting lever.
Connect lever one end and be equipped with the montant, the fuselage is equipped with the montant fixing base to and rack fixed connection's connecting block, the montant insert in the montant fixing base, just, montant and connecting block are connected, connect the lever and pass through montant, connecting block and rack cooperation and connect.
The fuselage corresponds pivot, gear and is equipped with the gear fixing base, is equipped with the spring in the gear fixing base, and the gear is located the gear fixing base, and pivot run through gear fixing base, spring, and gear one side and spring one end counterbalance lean on the contact, and the spring other end supports and leans on in the pivot or on the wall of gear fixing base.
The fuselage corresponds compression spring and is equipped with the compression spring fixing base, and compression spring is located the compression spring fixing base, and the pedal pole transversely runs through the compression spring fixing base, and compression spring one end and pedal pole are supported and are leaned on the contact, perhaps are equipped with the briquetting in the compression spring fixing base, and compression spring one end is passed through the briquetting and is supported and lean on the contact with the pedal pole.
A groove is arranged in the compression spring fixing seat corresponding to the compression spring, the compression spring is positioned in the groove, and the other end of the compression spring and the bottom wall of the groove are abutted against and contacted with each other
The utility model has the advantages as follows:
a. the pedals are fixedly arranged on the pedal rods, the pedal rods are provided with compression springs, the compression springs are reset, the rotation of the catch wheels is controlled through the transmission matching piece, the catch wheels are contacted with the clutch key handles, and the large gears stop running; when the pedal is treaded, the pedal rod extrudes the compression spring and controls the rotation of the catch wheel through the transmission matching piece, the catch wheel is separated from the clutch key handle, the large gear runs, and the punch works; the utility model discloses effectively replace the spring structure that the tradition was drawn, avoided long-time the use and leaded to the spring to take place fatigue, fracture easily, or the phenomenon of elongation, the influence keeps off the wheel and normally resets. Thereby effectively preventing the punch from generating continuous punching and damaging the die or causing personal safety accidents;
b. a bent brake rod is arranged on one side of the machine body close to the rack, and the brake rod contacts or is separated from the large gear part through the movement of the rack so as to control the operation of the large gear; the bent brake rod comprises a vertical rod and a cross rod which is used for contacting the bull gear, and the vertical rod and the cross rod are connected and are L-shaped, so that the bull gear can be doubly guaranteed when stopping; the rack moves upwards through the transmission matching piece under the condition of treading on the pedal, so that the bent brake rod is jacked open, and the brake rod is separated from the large gear, thereby being safe and reliable;
c. the rotating shaft penetrates through the gear fixing seat and the spring, one side of the gear is abutted against and contacted with one end of the spring, the other end of the spring is abutted against the rotating shaft or the wall surface of the gear fixing seat, the gear is effectively fixed, the gear is prevented from deviating, and the gear and the rack are fully meshed.
Drawings
Fig. 1 is a schematic structural view of a safety brake device of a punch press according to an embodiment of the present invention.
Fig. 2 is a partially enlarged view of fig. 1.
Fig. 3 is a partially enlarged view of fig. 1.
Fig. 4 is a schematic view of another orientation structure of the safety brake device of the punch press according to an embodiment of the present invention.
In the figure, 1 is a machine body, 2 is a large gear, 3 is a clutch key handle, 4 is a catch wheel, 5 is a pedal, 6 is a pedal rod, 7 is a compression spring, 8 is a pull rod, 9 is a connecting lever, 10 is a rack, 11 is a rotating shaft, 12 is a gear, 13 is a brake rod, 14 is a vertical rod, 15 is a vertical rod fixing seat, 16 is a gear fixing seat, 17 is a compression spring fixing seat, and 18 is a supporting block.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-4, a safety brake device for a punch press, the punch press comprises a press body 1 and a large gear 2 thereof, the large gear 2 runs through a crankshaft, a clutch key handle 3 is arranged in the large gear 2, a catch wheel 4 is arranged on one side of the press body 1 corresponding to the clutch key handle 3, a pedal 5 is arranged below the press body 1, a transmission matching piece is arranged between the pedal 5 and the catch wheel 4, the pedal 5 controls the rotation of the catch wheel 4 through the transmission matching piece, the catch wheel 4 contacts the clutch key handle 3 in the rotation to control the rotation of the crankshaft, so as to stop the slide block of the press machine, the catch wheel 4 is separated from the clutch key handle 3 in the rotation, the clutch is combined to rotate the crankshaft, drive a connecting rod, a punch rod and a slide block of the punch press to perform up-down punching operation, and the punch press starts to operate, the transmission matching piece comprises a pedal rod 6, the pedal 5 is fixedly arranged on the pedal rod 6, And the pedal lever 6 is pressed on the compression spring 7, the pedal 5 is released, the compression spring 7 is reset, the catch wheel 4 is reset through the transmission matching piece, the catch wheel 4 blocks the key handle 3 of the clutch, and the machine tool stops working.
The clutch key handle is arranged on the upper part of the right side of the machine body and is provided with a switch box of the machine tool in a matching way.
The transmission fitting piece is arranged on the machine body 1 and also comprises a pull rod 8, a connecting lever 9 and a rack 10; the pull rod 8 is fixedly connected with the pedal rod 6, the pull rod 8 is connected with the connecting lever 9 in a matching mode, the connecting lever 9 is connected with the rack 10 in a matching mode, the catch wheel 4 is connected with the rotating shaft 11, the gear 12 is arranged on the outer side of the rotating shaft 11, and the gear 12 is meshed with the rack 10; when the pedal 5 is stepped on, the pedal rod 6 drives the pull rod 8 and the connecting lever 9 in sequence, the connecting lever 9 drives the rack 10 to move, so that the gear 12 rotates, and the catch wheel 4 is driven to be disengaged from the clutch key handle 3; or, the pedal 5 is released, the compression spring 7 is reset and bounces off the pedal rod 6, the pedal rod 6 drives the pull rod 8 and the connecting lever 9 to drive the rack 10 to move, the gear 12 rotates, and the catch wheel 4 is driven to contact the clutch key handle 3.
The body 1 is provided with a bent brake lever 13 at a side close to the rack 10, and the brake lever 13 contacts or separates from a part for controlling the operation of the large gear 2 by the movement of the rack 10 to control the operation of the large gear 2.
The brake rod 13 comprises a vertical rod and a cross rod for controlling the running part of the big gear wheel 2 in a contact way, and the vertical rod and the cross rod are connected and are in an L shape.
The body 1 is provided with a supporting block 18 corresponding to the connecting lever 9.
Connect lever 9 one end and be equipped with montant 14, fuselage 1 is equipped with montant fixing base 15 to and rack 10 fixed connection's connecting block, montant 14 insert montant fixing base 15 in, just, montant 14 and connecting block are connected, connect lever 9 and pass through montant 14, connecting block and rack 10 cooperation and connect.
Fuselage 1 corresponds pivot 11, gear 12 and is equipped with gear fixing base 16, is equipped with the spring in the gear fixing base 16, and gear 12 is located gear fixing base 16, and pivot 11 runs through gear fixing base 16, spring, and 12 one sides of gear and spring one end counterbalance lean on the contact, and the spring other end supports and leans on pivot 11 or on the wall of gear fixing base 16.
1 corresponds compression spring 7 of fuselage and is equipped with compression spring fixing base 17, and compression spring 7 is located compression spring fixing base 17, and pedal pole 6 transversely runs through compression spring fixing base 17, and 7 one end of compression spring and pedal pole 6 support and lean on the contact, perhaps are equipped with the briquetting in the compression spring fixing base 17, and 7 one end of compression spring is passed through the briquetting and is supported and lean on the contact with pedal pole 6.
The compression spring fixing seat 17 is internally provided with a groove corresponding to the compression spring 7, the compression spring 7 is positioned in the groove, and the other end of the compression spring 7 is abutted against the bottom wall of the groove to be contacted.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A safety brake device of a punch press comprises a punch press body (1) and a large gear (2) of the punch press body, wherein the large gear (2) runs through a crankshaft, a clutch key handle (3) is arranged in the large gear (2), a blocking wheel (4) is arranged on one side of the punch press body (1) corresponding to the clutch key handle (3), a pedal (5) is further arranged below the punch press body (1), a transmission matching piece is arranged between the pedal (5) and the blocking wheel (4), the pedal (5) controls the blocking wheel (4) to rotate through the transmission matching piece, the blocking wheel (4) contacts with the clutch key handle (3) in rotation so as to control the crankshaft to rotate, thereby make the slider of lathe stop motionless, keep off wheel (4) and break away from clutch key handle (3) in the rotation, the clutch combines, makes the bent axle rotate, and punching press work about connecting rod, jumper bar, the slider that drives the punch press do, the punch press begins work, its characterized in that: the transmission fitting piece includes pedal pole (6), and pedal (5) are fixed to be set up on pedal pole (6), and pedal pole (6) are equipped with compression spring (7), and pedal pole (6) pressure is established on compression spring (7), unclamp pedal (5), and compression spring (7) reset, through the transmission fitting piece, keep off that wheel (4) reset, just keep off key handle (3) that wheel (4) blocked the clutch, lathe stop work.
2. The safety brake device for punch press according to claim 1, wherein: the clutch key handle (3) is arranged on the upper part of the right side of the machine body (1) and is provided with a switch box of a machine tool in a matching way.
3. The safety brake device for punch press according to claim 1, wherein: the transmission fitting piece is arranged on the machine body (1), and also comprises a pull rod (8), a connecting lever (9) and a rack (10); the pedal device comprises a pedal rod (6), a pull rod (8), a connecting lever (9), a gear (10), a stop wheel (4), a gear (12) and a rack (10), wherein the pull rod (8) is fixedly connected with the pedal rod (6), the pull rod (8) is connected with the connecting lever (9) in a matching mode, the connecting lever (9) is connected with the rack (10) in a matching mode, the stop wheel (4) is connected with a rotating shaft (11); the pedal (5) is treaded, the pedal rod (6) sequentially drives the pull rod (8) and the connecting lever (9), the connecting lever (9) drives the rack (10) to move, so that the gear (12) rotates, and the catch wheel (4) is driven to be separated from the clutch key handle (3); or the pedal (5) is released, the compression spring (7) resets and springs open the pedal rod (6), the pedal rod (6) sequentially drives the pull rod (8) and the connecting lever (9) to drive the rack (10) to move, the gear (12) rotates, and then the catch wheel (4) is driven to contact the clutch key handle (3).
4. The safety brake device for punching machine according to claim 3, wherein: a bent brake rod (13) is arranged on one side, close to the rack (10), of the machine body (1), and the brake rod (13) contacts or is separated from a part for controlling the large gear (2) to operate through the movement of the rack (10) so as to control the operation of the large gear (2).
5. The safety brake device for punch press according to claim 4, wherein: the bent brake rod (13) comprises a vertical rod and a cross rod which is used for contacting the running part of the big gear (2), and the vertical rod and the cross rod are connected and are in an L shape.
6. The safety brake device for punching machine according to claim 3, wherein: the machine body (1) is provided with a supporting block (18) corresponding to the connecting lever (9).
7. The safety brake device for punching machine according to claim 3, wherein: connect lever (9) one end and be equipped with montant (14), fuselage (1) is equipped with montant fixing base (15) to and rack (10) fixed connection's connecting block, in montant (14) inserted montant fixing base (15), just, montant (14) and connecting block are connected, connect lever (9) and pass through montant (14), connecting block and rack (10) cooperation and connect.
8. The safety brake device for punching machine according to claim 3, wherein: fuselage (1) corresponds pivot (11), gear (12) and is equipped with gear fixing base (16), is equipped with the spring in gear fixing base (16), and gear (12) are located gear fixing base (16), and pivot (11) run through gear fixing base (16), spring, and gear (12) one side and spring one end counterbalance lean on the contact, and the spring other end supports and leans on pivot (11) or on the wall of gear fixing base (16).
9. The safety brake device of a punch press according to any one of claims 1 to 8, wherein: fuselage (1) corresponds compression spring (7) and is equipped with compression spring fixing base (17), and compression spring (7) are located compression spring fixing base (17), and compression spring fixing base (17) transversely runs through foot rest lever (6), and compression spring (7) one end and foot rest lever (6) are supported and are leaned on the contact, perhaps are equipped with the briquetting in compression spring fixing base (17), and compression spring (7) one end is passed through the briquetting and is leaned on the contact with foot rest lever (6).
10. The safety brake device for punching machine according to claim 9, wherein: the compression spring fixing seat (17) is internally provided with a groove corresponding to the compression spring (7), the compression spring (7) is positioned in the groove, and the other end of the compression spring (7) is abutted against the bottom wall of the groove to be contacted.
CN202020804744.XU 2020-01-07 2020-05-14 Safety brake device for punch press Active CN212495041U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2020200304277 2020-01-07
CN202020030427 2020-01-07

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CN202010408388.4A Pending CN111589978A (en) 2020-01-07 2020-05-14 Safety brake device for punch press
CN202020804744.XU Active CN212495041U (en) 2020-01-07 2020-05-14 Safety brake device for punch press

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Application Number Title Priority Date Filing Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114273486A (en) * 2021-12-15 2022-04-05 临海市耀杰锻件有限公司 High-efficiency portable inclinable press
CN114682707A (en) * 2022-03-30 2022-07-01 浙江金澳兰机床有限公司 Punch press with protective structure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113172195A (en) * 2021-03-30 2021-07-27 上海远都机床股份有限公司 Riveting machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114273486A (en) * 2021-12-15 2022-04-05 临海市耀杰锻件有限公司 High-efficiency portable inclinable press
CN114273486B (en) * 2021-12-15 2023-10-31 临海市耀杰锻件有限公司 High-efficiency convenient tilting press
CN114682707A (en) * 2022-03-30 2022-07-01 浙江金澳兰机床有限公司 Punch press with protective 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

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