CN211360437U

CN211360437U - Protection device for punching machine

Info

Publication number: CN211360437U
Application number: CN201921657884.2U
Authority: CN
Inventors: 毛明光; 吴亨玉; 尹梅; 孙向成; 戴涛; 王宝国; 宋金成; 宛宏宇; 崔玉龙
Original assignee: Wuhu Mingda Automobile Seat Co ltd
Current assignee: Wuhu Mingda Automobile Seat Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-08-28
Anticipated expiration: 2029-09-30

Abstract

The utility model provides a protection device for punching machine relates to punching machine protection technical field. This protection device for punching machine, including the punching press lathe, the center of punching press lathe is provided with the workstation, the top of punching press lathe is provided with power device, power device's bottom is provided with the stamping rod, the bottom fixedly connected with punching press piece of stamping rod, the front end at workstation top is provided with canceling release mechanical system, canceling release mechanical system's central sliding connection has the wall mechanism, the bottom of cutting off the mechanism is provided with buffer gear, buffer gear's bottom is provided with the sponge piece. Through the simple mechanical protection device of design, cooperate grating protection device again, can play the duplicate protection effect, can still can play fine guard action to the workman through the protection device of mechanical type under the malfunctioning condition of photoelectric device, make its work efficiency obtain improving greatly, simultaneously also greatly reduced the risk cost of workman and firm.

Description

Protection device for punching machine

Technical Field

The utility model relates to a punching machine protection technical field specifically is a protection device for punching machine.

Background

The punching machine drives the flywheel through the motor, and through the clutch, the drive gear drives the crank link mechanism to make the slide block move up and down, drive the drawing die to shape the steel plate, the design principle is to change the circular motion into the linear motion, the main motor is exerted, drive the flywheel, drive gear, crankshaft (or eccentric gear), connecting rod, etc. to run through the clutch, achieve the linear motion of the slide block, the motion from main motor to connecting rod is the circular motion.

The main functions of the punch press are mainly to punch metal plates, the punch press has great potential safety hazards in the process of punching each time, when workers find that a workpiece to be machined deviates on the punch press, the workers can consciously hold the workpiece with hands, once the handles of the workers stretch into the center of the punch press, fingers are broken if the workers are light, the whole fingers can be cut if the fingers are heavy, the punch press can also have workpiece positioning errors sometimes, the workpiece is bounced out of the punch press in the machining process, the workers are injured, serious consequences are caused, and enterprise manufacturers face huge compensation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model is not enough to prior art, the utility model provides a protection device for punching machine, the in-process that has solved the punch press and carry out the punching press at every turn all has very big potential safety hazard, when the workman discovery is waited to process the work piece when the skew takes place for the position on the punch press, can subconsciously remove with the hand and right, in case the workman handle stretches into the punch press center, light then the finger absolutely, heavy then whole finger all can be amputated, and the work piece location also can appear sometimes and make mistakes in the punch press, the work piece is jumped out from the punch press in the course of working, thereby injury workman's the condition, cause the problem of serious consequence.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a protection device for punching machine, includes the punching press lathe, the center of punching press lathe is provided with the workstation, the top of punching press lathe is provided with power device, power device's bottom is provided with the ram rod, the bottom fixedly connected with punching press piece of ram rod, the center at workstation top is provided with the work piece and places the board, the front end at workstation top is provided with canceling release mechanical system, canceling release mechanical system's central sliding connection has the wall mechanism, through two connecting axle fixed connection between canceling release mechanical system and the wall mechanism, be provided with coupling mechanism between punching press piece and the wall mechanism, the bottom of cutting off the mechanism is provided with buffer gear, buffer gear's bottom is provided with the sponge piece.

Preferably, the reset mechanism comprises a first base and a second base, a first base and a second base are respectively arranged on two sides of the front end of the top of the workbench, a first supporting column and a second supporting column are respectively arranged on the top of the first base and the top of the second base, a first sliding chute and a second sliding chute are respectively arranged in the centers of the first supporting column and the second supporting column, a first sliding block and a second sliding block are respectively connected in the centers of the first sliding chute and the second sliding chute in a sliding manner, a first rectangular hole and a second rectangular hole are respectively arranged in the centers of opposite sides of the first supporting column and the second supporting column, a first fixed rod and a second fixed rod are respectively fixedly connected in the centers of the bottoms of the first sliding block and the second sliding block, and a first reset spring and a second reset spring corresponding to the first sliding block and the second sliding block are respectively arranged in the centers of the first sliding chute and the second sliding chute, the center of the bottom of the first sliding groove and the center of the bottom of the second sliding groove are respectively provided with a first fixing block and a second fixing block, and the centers of the tops of the first fixing block and the second fixing block are respectively provided with a first groove and a second groove corresponding to the first fixing rod and the second fixing rod.

Preferably, the first support column and the second support column are arranged in a symmetrical structure.

Preferably, the partition mechanism comprises partition panels, the partition panels are fixedly connected between the two connecting shafts, and a first positioning hole and a second positioning hole are respectively formed in the centers of the outer surfaces of the partition panels.

Preferably, the connecting mechanism comprises two connecting rods, the front end of the outer wall of the stamping block is fixedly connected with two connecting rods corresponding to the first positioning hole and the second positioning hole, the outer wall of each connecting rod is fixedly connected with a limiting ring, and the connecting rods are far away from the connecting block.

Preferably, buffer gear includes the buffer board, partition panel's bottom is provided with the buffer board, a plurality of telescopic links of partition panel's bottom fixedly connected with, a plurality of sliding tray corresponding with the telescopic link have been seted up at the center of buffer board, and are a plurality of the spring coil corresponding with the telescopic link is installed at the center of sliding tray, and is a plurality of partition panel's the equal fixedly connected with stopper of one end is kept away from to the telescopic link.

Preferably, grating protection devices are arranged on two sides of the front end of the workbench.

The working principle is as follows: when the protective device is used, the protective device is only required to be installed on a punching machine according to requirements, when the punching machine starts to work, the punching rod 4 can drive the punching block 5 to move downwards, at the moment, the two connecting rods 1001 fixedly connected with the punching block 5 can move downwards along with the punching block 5, so as to drive the partition panel 901 to move downwards, the partition panel 901 is used for partitioning the contact between a worker and a punching piece during the working period of the punching machine, namely, the workpiece and a worker can be partitioned before punching, the phenomenon that the handle of the worker stretches into the center of the punching machine during the working of the punching machine to cause accidents is prevented, even if the worker stretches the hand to the workpiece at the moment when the partition panel 901 falls, the partition panel 901 can also press the hand of the worker, the hand of the worker is prevented from continuing to move forwards, and meanwhile, the buffer mechanism 11 can play a certain buffer role under the action of the plurality, both can press the hand, but can not make partition panel 901 crush workman's hand, and after the punching press was accomplished, punching press piece 5 can follow punching press pole 4 and get back to the normal position, and here simultaneously, two reset spring can play two fixed blocks under the elastic action of self, drive partition panel 901 simultaneously and rise to play the effect of resetting, both can realize automatic re-setting, also do not hinder workman's unloading simultaneously.

(III) advantageous effects

The utility model provides a protection device for punching machine. The method has the following beneficial effects:

1. this protection device for punching machine through coupling mechanism, cuts off the design of mechanism, buffer gear and canceling release mechanical system, can effectually cut off between work piece and the workman, both can prevent that the workman from putting into the punching machine with the hand, also can prevent simultaneously that the work piece from being jumped out at the in-process of punching press and hitting the workman to effectual workman's personal safety has been protected.

2. This protection device for punching machine through the simple mechanical type protection device of design, cooperates grating protection device again, can play duplicate protection effect, can be under the malfunctioning condition of photoelectric device, still can play fine guard action to the workman through the protection device of mechanical type, and work efficiency obtains improving greatly, simultaneously also greatly reduced workman and firm's risk cost.

Drawings

FIG. 1 is a schematic view of the installation structure of the present invention;

FIG. 2 is a front view of the protection device of the present invention;

FIG. 3 is a side view of the protective device of the present invention;

fig. 4 is a sectional view of the internal structure of the resetting mechanism of the present invention;

FIG. 5 is a side view structural diagram of the reset mechanism of the present invention;

fig. 6 is a partially enlarged view of a portion a in fig. 2.

Wherein, 1, a punching machine tool; 2. a work table; 3. a power plant; 4. a stamping rod; 5. stamping the blocks; 6. A workpiece placing plate; 7. a reset mechanism; 701. a first base; 702. a second base; 703. a first support column; 704. a second support column; 705. a first chute; 706. a second chute; 707. a first slider; 708. a second slider; 709. a first rectangular hole; 710. a second rectangular hole; 711. a first fixing lever; 712. a second fixing bar; 713. a first return spring; 714. a second return spring; 715. a first fixed block; 716. a second fixed block; 717. a first groove; 718. a second groove; 8. a connecting shaft; 9. A partition mechanism; 901. a partition panel; 902. a first positioning hole; 903. a second positioning hole; 10. a connecting mechanism; 1001. a connecting rod; 1002. a limiting ring; 1003. connecting blocks; 11. a buffer mechanism; 1101. A buffer plate; 1102. a telescopic rod; 1103. a sliding groove; 1104. a spring ring; 1105. a limiting block; 12. a sponge block; 13. a grating protection device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b):

as shown in fig. 1-6, an embodiment of the present invention provides a protection device for a punching machine, which includes a punching machine 1, a working table 2 is disposed at the center of the punching machine 1, a power device 3 is disposed at the top of the punching machine 1, the power device 3 is used for controlling the extension and retraction of a punching rod 4, the punching rod 4 is disposed at the bottom of the power device 3, a punching block 5 is fixedly connected to the bottom of the punching rod 4, a workpiece placing plate 6 is disposed at the center of the top of the working table 2, a reset mechanism 7 is disposed at the front end of the top of the working table 2, a partition mechanism 9 is slidably connected to the center of the reset mechanism 7, the reset mechanism 7 and the partition mechanism 9 are fixedly connected through two connecting shafts 8, and are fixedly connected to two ends of a partition panel 901 through two connecting shafts 8, then one ends of the two connecting shafts 8 far from the partition panel 901 are fixedly connected to, thereby guarantee that connecting axle 8 can drive two sliders and extrude reset spring downwards, also can make two reset spring bounce off partition panel 901 through two sliders and connecting axle 8 simultaneously, be provided with coupling mechanism 10 between ram block 5 and the partition mechanism 9, the bottom of cutting off mechanism 9 is provided with buffer gear 11, and buffer gear 11's bottom is provided with sponge piece 12, and sponge piece 12 can prevent to cut off panel 901 and crush workman's hand.

The reset mechanism 7 comprises a first base 701 and a second base 702, a first base 701 and a second base 702 are respectively arranged on two sides of the front end of the top of the workbench 2, a first supporting column 703 and a second supporting column 704 are respectively arranged on the top of the first base 701 and the top of the second base 702, a first sliding chute 705 and a second sliding chute 706 are respectively arranged in the centers of the first supporting column 703 and the second supporting column 704, a first sliding block 707 and a second sliding block 708 are respectively connected in the centers of the first sliding chute 705 and the second sliding chute 706 in a sliding manner, a first rectangular hole 709 and a second rectangular hole 710 are respectively arranged in the centers of opposite sides of the first supporting column 703 and the second supporting column 704, a first fixing rod 711 and a second fixing rod 712 are respectively fixedly connected in the centers of the bottoms of the first sliding block 707 and the second sliding block 708, a first reset spring 713 and a second reset spring 714 corresponding to the first sliding block 707 and the second sliding block 708 are respectively arranged in the centers of the first sliding chute 705 and the second sliding chute 706, the centers of the bottoms of the first sliding chute 705 and the second sliding chute 706 are respectively provided with a first fixed block 715 and a second fixed block 716, the centers of the tops of the first fixed block 715 and the second fixed block 716 are respectively provided with a first groove 717 and a second groove 718 corresponding to the first fixed rod 711 and the second fixed rod 712, when stamping processing is started, the stamping rod 4 drives the stamping block 5 to move downwards, at the moment, the two connecting rods 1001 fixedly connected with the stamping block 5 move downwards along with the stamping block 5, so as to drive the partition panel 901 to move downwards, so that the two connecting shafts 8 drive the first sliding block 707 and the second sliding block 708 to simultaneously and respectively extrude the first return spring 713 and the second return spring 714 downwards, after stamping, the stamping block 5 returns to the original position along with the stamping rod 4, and at the same time, the two return springs can bounce up two fixed blocks under the elastic action of the two return springs, meanwhile, the partition panel 901 is driven to rise, thereby playing a role of resetting.

The first support column 703 and the second support column 704 are symmetrically arranged, and the partition panel 901 can slide up and down conveniently due to the symmetrical arrangement.

The partition mechanism 9 comprises a partition panel 901, the partition panel 901 is fixedly connected between the two connecting shafts 8, a first positioning hole 902 and a second positioning hole 903 are respectively formed in the center of the outer surface of the partition panel 901, the partition panel 901 is used for partitioning a worker from a stamping part during the working process of the punching machine, and the height of the partition panel 901 from the working table 2 is far lower than that of a stamping block 5 from the working table 2, so that the partition mechanism can partition the workpiece from a worker before the stamping, and the worker is prevented from stretching into the center of the punching machine when the punching machine works, and accidents are caused.

Coupling mechanism 10 includes two connecting rods 1001, the front end fixedly connected with of 5 outer walls of punching press piece two with first locating hole 902 and the corresponding connecting rod 1001 of second locating hole 903, the equal fixedly connected with spacing ring 1002 of outer wall of two connecting rods 1001, the equal fixedly connected with connecting block 1003 of one end that punching press piece 5 was kept away from to two connecting rods 1001, coupling mechanism 10 plays punching press piece 5 and cuts off the effect of being connected between the mechanism 9 exactly, thereby make punching press piece 5 can drive cut off panel 901 and remove downwards simultaneously when the punching press.

Buffer gear 11 includes buffer plate 1101, the bottom of partition panel 901 is provided with buffer plate 1101, the bottom fixedly connected with of partition panel 901 has a plurality of telescopic links 1102, a plurality of sliding tray 1103 corresponding to telescopic link 1102 are seted up at the center of buffer plate 1101, spring coil 1104 corresponding to telescopic link 1102 is installed at the center of a plurality of sliding tray 1103, the equal fixedly connected with stopper 1105 in one end that a plurality of telescopic links 1102 are far away from partition panel 901, buffer gear 11 can play certain cushioning effect, in case the workman stretches out the hand to the work piece in the twinkling of an eye that partition panel 901 falls, partition panel 901 can push down workman's hand, prevent that the staff from continuing forward, buffer gear 11 can play certain cushioning effect under the effect of a plurality of telescopic links 1102 and spring coil 1104 simultaneously, both can push down the hand, but can not make partition panel 901 crush workman's hand.

The both sides of 2 front ends on workstation all are provided with grating protection device 13, and grating protection device 13 can be used for controlling opening of punching machine work and stop, and grating protection device 13 and its work are kept away from all being prior art, and no longer give unnecessary details here.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a protection device for punching machine, includes punching machine (1), its characterized in that: a workbench (2) is arranged at the center of the punching machine (1), a power device (3) is arranged at the top of the punching machine (1), the bottom of the power device (3) is provided with a stamping rod (4), the bottom of the stamping rod (4) is fixedly connected with a stamping block (5), a workpiece placing plate (6) is arranged at the center of the top of the workbench (2), a reset mechanism (7) is arranged at the front end of the top of the workbench (2), the center of the reset mechanism (7) is connected with a partition mechanism (9) in a sliding way, the reset mechanism (7) is fixedly connected with the partition mechanism (9) through two connecting shafts (8), a connecting mechanism (10) is arranged between the stamping block (5) and the partition mechanism (9), the bottom of the partition mechanism (9) is provided with a buffer mechanism (11), and the bottom of the buffer mechanism (11) is provided with a sponge block (12).

2. The protection device for a press machine according to claim 1, characterized in that: the resetting mechanism (7) comprises a first base (701) and a second base (702), a first base (701) and a second base (702) are respectively arranged on two sides of the front end of the top of the workbench (2), a first supporting column (703) and a second supporting column (704) are respectively arranged on the tops of the first base (701) and the second base (702), a first sliding chute (705) and a second sliding chute (706) are respectively arranged in the centers of the first supporting column (703) and the second supporting column (704), a first sliding block (707) and a second sliding block (708) are respectively connected in the centers of the first sliding chute (705) and the second sliding chute (706) in a sliding manner, a first rectangular hole (709) and a second rectangular hole (710) are respectively formed in the centers of opposite sides of the first supporting column (703) and the second supporting column (704), and a first fixing rod (711) and a second fixing rod (712) are respectively fixedly connected in the centers of the bottoms of the first sliding block (707) and the second sliding block (708), the center of the first sliding groove (705) and the second sliding groove (706) is respectively provided with a first return spring (713) and a second return spring (714) corresponding to the first sliding block (707) and the second sliding block (708), the center of the bottom of the first sliding groove (705) and the second sliding groove (706) is respectively provided with a first fixed block (715) and a second fixed block (716), and the center of the top of the first fixed block (715) and the center of the top of the second fixed block (716) are respectively provided with a first groove (717) and a second groove (718) corresponding to the first fixed rod (711) and the second fixed rod (712).

3. The protection device for a press machine according to claim 2, characterized in that: the first supporting column (703) and the second supporting column (704) are arranged in a symmetrical structure.

4. The protection device for a press machine according to claim 1, characterized in that: the partition mechanism (9) comprises partition panels (901), the partition panels (901) are fixedly connected between the two connecting shafts (8), and the centers of the outer surfaces of the partition panels (901) are respectively provided with a first positioning hole (902) and a second positioning hole (903).

5. The protection device for a press machine according to claim 1, characterized in that: the connecting mechanism (10) comprises two connecting rods (1001), the front end of the outer wall of the stamping block (5) is fixedly connected with two connecting rods (1001) corresponding to the first positioning hole (902) and the second positioning hole (903), the outer wall of each connecting rod (1001) is fixedly connected with a limiting ring (1002), and the connecting rods (1001) are far away from the connecting blocks (1003).

6. The protection device for a press machine according to claim 4, characterized in that: the buffer mechanism (11) comprises a buffer plate (1101), the buffer plate (1101) is arranged at the bottom of the partition panel (901), a plurality of telescopic rods (1102) are fixedly connected to the bottom of the partition panel (901), a plurality of sliding grooves (1103) corresponding to the telescopic rods (1102) are formed in the center of the buffer plate (1101), a plurality of spring rings (1104) corresponding to the telescopic rods (1102) are installed in the center of the sliding grooves (1103), and a limit block (1105) is fixedly connected to one end, away from the partition panel (901), of each telescopic rod (1102).

7. The protection device for a press machine according to claim 1, characterized in that: and grating protection devices (13) are arranged on two sides of the front end of the workbench (2).