阅读说明：本技术 一种配电柜生产用打孔设备 (Perforating equipment is used in switch board production ) 是由 张锐 于 2020-10-26 设计创作，主要内容包括：本发明公开了一种配电柜生产用打孔设备,包括工作台,矩形固定框内壁的顶部和底部相对应的位置均固定连接有齿条,伺服电机的输出轴且位于矩形固定框的内部固定连接有扇形齿轮,矩形固定框的表面底部一侧且靠近两端底部的位置均设置有打孔器,工作台的顶部且靠近矩形固定框的两端均设置有喷淋装置,工作台顶部远离滑块的一侧且位于直角料槽的一端设置有推料装置,矩形固定框的顶部两侧且靠近打孔器的位置均固定连接有推料杆,本发明涉及配电柜生产技术领域。该一种配电柜生产用打孔设备,达到了上料、打孔、降温和下料一体化的效果,降低了人工劳动量,省时省力,实现了上料、打孔、降温和下料一体化,提高了工作效率及使用性能。(The invention discloses punching equipment for power distribution cabinet production, which comprises a workbench, wherein racks are fixedly connected at corresponding positions of the top and the bottom of the inner wall of a rectangular fixing frame, a sector gear is fixedly connected to an output shaft of a servo motor and is positioned in the rectangular fixing frame, hole punches are arranged at positions close to the bottoms of two ends of one side of the bottom of the surface of the rectangular fixing frame, spraying devices are arranged at the top of the workbench and close to two ends of the rectangular fixing frame, a material pushing device is arranged at one side, far away from a sliding block, of the top of the workbench and at one end of a right-angle trough, and material pushing rods are fixedly connected at positions close to the hole punches and two sides of the top of the rectangular fixing frame. This perforating equipment is used in switch board production has reached the effect of material loading, punching, cooling and unloading integration, has reduced the amount of manual labor, and labour saving and time saving has realized material loading, has punched, cooling and unloading integration, has improved work efficiency and performance.)

1. The utility model provides a perforating equipment is used in switch board production, includes workstation (1), its characterized in that: the top of the workbench (1) is arranged on one side of the top of the workbench (1) and is located at the central position, the slider (2) is fixedly connected with the rectangular fixing frame (3) on the top, the rack (4) is fixedly connected with the top of the inner wall of the rectangular fixing frame (3) and the position corresponding to the bottom, the servo motor (5) is fixedly connected with the top of the workbench (1) and is close to the position of the rectangular fixing frame (3) through a support, the sector gear (6) is fixedly connected with the output shaft of the servo motor (5) and is located inside the rectangular fixing frame (3), the sector gear (6) is meshed with the rack (4), the puncher (7) is arranged on one side of the bottom of the surface of the rectangular fixing frame (3) and is close to the bottoms of the two ends, the spraying device (8) is arranged on the top of the workbench (1) and is close, the utility model discloses a punching device, including workstation (1), slider (2), workstation (1), slide block (2), the both sides that the corresponding both sides in workstation (1) top just are close to the border position and all have seted up right angle silo (9), the one end that one side just is located right angle silo (9) of slider (2) is kept away from at workstation (1) top is provided with blevile of push (10), the equal fixedly connected with ejector pin (11) in position that the both sides of the top of the fixed frame of rectangle (3) just.

2. The perforating equipment is used in switch board production of claim 1 characterized in that: the one end fixedly connected with ejector pad (12) of the fixed frame of rectangle (3) is kept away from in ejector tie rod (11), breach (13) of unloading have been seted up to the one end of workstation (1) and the position that is close to slider (2), workstation (1) bottom corresponding equal fixedly connected with supporting leg in position (14).

3. The perforating equipment is used in switch board production of claim 2 characterized in that: the bottom of the supporting leg (14) is fixedly connected with an anti-skid pad (1401), and the anti-skid pad (1401) is made of rubber.

4. The perforating equipment is used in switch board production of claim 1 characterized in that: the spraying device (8) comprises a water tank (81), the top of the water tank (81) is fixedly connected with one side of the bottom of the workbench (1), the bottom of the water tank (81) is communicated with a right-angle connecting pipe (82), the top end of the right-angle connecting pipe (82) penetrates through the workbench (1) and extends to the top of the workbench, one end of the right-angle connecting pipe (82) extending to the top of the workbench (1) is communicated with a piston cylinder (83), the surface of the piston cylinder (83) is fixedly connected with the top of the workbench (1) and the position close to the rectangular fixed frame (3) through a fixing frame, a piston (84) is arranged inside the piston cylinder (83), a piston rod (85) is fixedly connected to the center of one side of the surface of the piston (84), one end, far away from the piston (84), of the piston rod (85) is fixedly connected with one, the device is characterized in that one end of the top of the piston cylinder (83) is communicated with a U-shaped pipe (86), one side of the top of the surface of the water tank (81) is communicated with a return pipe (87), one end, far away from the water tank (81), of the return pipe (87) is communicated with a conical funnel (88), and the top of the conical funnel (88) is fixedly connected with the bottom of the workbench (1) and the position of a right-angle end, located on a right-angle trough (9).

5. The perforating equipment is used in switch board production of claim 4 characterized in that: the water collecting circular hole (801) is formed in the right-angle end of the right-angle trough (9) and the top of the conical funnel (88), and a spray head (802) is arranged at one end, far away from the piston cylinder (83), of the U-shaped pipe (86).

6. The perforating equipment is used in switch board production of claim 4 characterized in that: a water outlet check valve (803) is arranged on the surface of the right-angle connecting pipe (82) and at a position close to the piston cylinder (83), and a water inlet check valve (804) is arranged at one end of the right-angle connecting pipe (82) and at a position close to the piston cylinder (83).

7. The perforating equipment is used in switch board production of claim 4 characterized in that: the surface of the piston (84) is fixedly connected with a sealing ring (805), the surface of the sealing ring (805) is tightly attached to the inner wall of the piston cylinder (83), and a filter screen (806) is arranged at the bottom end of the right-angle connecting pipe (82) and inside the water tank (81).

8. The perforating equipment is used in switch board production of claim 1 characterized in that: pusher (10) includes base (101), the one end of base (101) and the bottom of workstation (1) just are located the position fixed connection of right angle silo (9) tip, the top fixedly connected with electric telescopic handle (102) of base (101), the work end fixedly connected with connecting plate (103) of electric telescopic handle (102), one side fixedly connected with spring (104) of electric telescopic handle (102) is just kept away from on the surface of connecting plate (103), one end fixedly connected with push pedal (105) of connecting plate (103) are kept away from in spring (104), the bottom of push pedal (105) and the bottom of connecting plate (103) all with right angle silo (9) sliding connection.

9. The perforating equipment is used in switch board production of claim 8 characterized in that: and sliding notches matched with the right-angle trough (9) are formed in the bottom of the push plate (105) and the bottom of the connecting plate (103).

10. The perforating equipment is used in switch board production of claim 1 characterized in that: one side of the top of the workbench (1) is provided with a sliding groove matched with the bottom end of the sliding block (2).

Technical Field

The invention relates to the technical field of power distribution cabinet production, in particular to punching equipment for power distribution cabinet production.

Background

Along with the continuous development of science and technology, also more and more to the use of switch board. The distribution cabinet is a final-stage device of a distribution system. The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level power distribution equipment to the nearby loads; the apparatus should provide protection, monitoring and control of the load. The power distribution cabinet is one of important devices in the power industry, and is manufactured by processing galvanized plates at home and abroad for a long time. Because the operating property of switch board has decided that the switch board needs various work holes, during production, the inevitable needs that punch on the shell structure of switch board. At present, the current drilling equipment for the production of switch board in market is very loaded down with trivial details complicated, and degree of automation is low, can not realize material loading, punch, unload the integration, and especially when mass production, the process is many and can't go on simultaneously, greatly reduced the switch board efficiency of punching, and workman's work load is big, extravagant labour, work efficiency is low, and in the in-process of punching, the function of cooling does not have to the drill bit on the puncher in addition, influences life, has reduced performance.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides punching equipment for power distribution cabinet production, which solves the problems that the existing punching equipment for power distribution cabinet production is extremely complicated in operation, low in automation degree, incapable of realizing integration of feeding, punching and discharging, and especially during large-scale production, the processes are multiple and cannot be carried out simultaneously, the punching efficiency of the power distribution cabinet is greatly reduced, the workload of workers is large, the labor is wasted, the working efficiency is low, and in the punching process, the drill bit on the puncher is not cooled, the service life is influenced, and the use performance is reduced.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a punching device for production of a power distribution cabinet comprises a workbench, a sliding block is slidably connected to one side of the top of the workbench and located in the central position, a rectangular fixing frame is fixedly connected to the top of the sliding block, racks are fixedly connected to the positions, corresponding to the top and the bottom, of the inner wall of the rectangular fixing frame, a servo motor is fixedly connected to one side of the top of the workbench and close to the position of the rectangular fixing frame through a support, a sector gear is fixedly connected to the output shaft of the servo motor and located inside the rectangular fixing frame, the sector gear and the racks are connected in a meshed manner, a puncher is arranged on one side of the bottom of the surface of the rectangular fixing frame and close to the bottoms of two ends of the rectangular fixing frame, a spraying device is arranged at the top of the workbench and close to two ends of the rectangular fixing frame, and right, one side of slider is kept away from at the workstation top and the one end that is located the right angle silo is provided with blevile of push, the equal fixedly connected with ejector pin in position that the top both sides of the fixed frame of rectangle just are close to the hole puncher.

Preferably, the material pushing rod is far away from one end fixedly connected with push block of the rectangular fixed frame, one end of the workbench is provided with a discharging notch close to the position of the sliding block, and the bottom of the workbench is correspondingly and fixedly connected with supporting legs.

Preferably, the bottoms of the supporting legs are fixedly connected with non-slip mats, and the non-slip mats are made of rubber materials.

Preferably, the spraying device comprises a water tank, the top of the water tank is fixedly connected with one side of the bottom of the workbench, the bottom of the water tank is communicated with a right-angle connecting pipe, the top end of the right-angle connecting pipe penetrates through the workbench and extends to the top of the workbench, one end of the right-angle connecting pipe extending to the top of the workbench is communicated with a piston cylinder, the surface of the piston cylinder is fixedly connected with the top of the workbench and the position close to the rectangular fixing frame through a fixing frame, a piston is arranged in the piston cylinder, a piston rod is fixedly connected at the center of one side of the surface of the piston, one end of the piston rod, which is far away from the piston, is fixedly connected with one side of the surface of the rectangular fixed frame, one end of the top of the piston cylinder is communicated with a U-shaped pipe, a return pipe is communicated with one side of the top of the surface of the water tank, one end of the return pipe, which is far away from the water tank, is communicated with a conical funnel, the top of the conical funnel is fixedly connected with the bottom of the workbench and the right-angle end position of the right-angle trough.

Preferably, the right-angle end of the right-angle trough and the position, located at the top of the conical funnel, of the top of the right-angle trough are provided with water collecting circular holes, and a spray head is arranged at one end, far away from the piston cylinder, of the U-shaped pipe.

Preferably, a water outlet check valve is arranged on the surface of the right-angle connecting pipe and at a position close to the piston cylinder, and a water inlet check valve is arranged at one end of the right-angle connecting pipe and at a position close to the piston cylinder.

Preferably, the fixed surface of piston is connected with the sealing washer, the surface of sealing washer closely laminates with the inner wall of piston cylinder, the bottom of right angle connecting pipe just is located the inside of water tank and is provided with the filter screen.

Preferably, blevile of push includes the base, the one end of base and the bottom of workstation just are located the position fixed connection of right angle silo tip, the top fixedly connected with electric telescopic handle of base, electric telescopic handle's work end fixedly connected with connecting plate, electric telescopic handle's one side fixedly connected with spring is just kept away from on the surface of connecting plate, the one end fixedly connected with push pedal of connecting plate is kept away from to the spring, the bottom of push pedal and the bottom of connecting plate all with right angle silo sliding connection.

Preferably, the bottom of push pedal and the bottom of connecting plate all set up the slip breach with right angle silo looks adaptation.

Preferably, one side of the top of the workbench is provided with a sliding groove matched with the bottom end of the sliding block.

(III) advantageous effects

The invention provides punching equipment for power distribution cabinet production. The method has the following beneficial effects:

(1) the punching equipment for producing the power distribution cabinet is characterized in that a sliding block is connected with one side of the top of a workbench in a sliding mode and is positioned in the central position, a rectangular fixed frame is fixedly connected with the top of the sliding block, racks are fixedly connected with the corresponding positions of the top and the bottom of the inner wall of the rectangular fixed frame, a servo motor is fixedly connected with one side of the top of the workbench and is close to the rectangular fixed frame through a support, a sector gear is fixedly connected with the output shaft of the servo motor and is positioned inside the rectangular fixed frame, the sector gear and the racks are connected in a meshed mode, hole punches are arranged on one side of the bottom of the surface of the rectangular fixed frame and are close to the bottoms of the two ends, a spraying device is arranged on the top of the workbench and is close to the two ends of the rectangular fixed frame, right-angle troughs are arranged on the corresponding two, the equal fixedly connected with ejector pin in position of the top both sides of the fixed frame of rectangle and being close to the hole puncher, such structure, the function of automatic feeding and unloading has been realized, and the operation is simple, the amount of manual labor has been alleviateed, time saving and labor saving, the function of automatic punching still has simultaneously, punching efficiency is improved, can carry out automatic cooling to the hole puncher simultaneously, at the in-process that punches, can carry out automatic water spray cooling, in time cool down, and service life is prolonged, whole device rational in infrastructure is simple, the operation convenient to use, the amount of manual labor has been reduced, time saving and labor saving, the material loading has been realized, punch, cooling and unloading integration, high working efficiency, service performance is improved.

Drawings

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

FIG. 2 is a schematic cross-sectional structure of the worktable and the slide block;

FIG. 3 is a front view of the rectangular fixing frame, the rack and the sector gear;

FIG. 4 is a schematic view of a spraying device;

fig. 5 is a schematic structural view of the pushing device.

In the figure: 1 workbench, 2 sliding blocks, 3 rectangular fixing frames, 4 racks, 5 servo motors, 6 sector gears, 7 punches, 8 spray devices, 81 water tanks, 82 right-angle connecting pipes, 83 piston cylinders, 84 pistons, 85 piston rods, 86U-shaped pipes, 87 return pipes, 88 conical funnels, 801 water collecting circular holes, 802 spray heads, 803 water outlet one-way valves, 804 water inlet one-way valves, 805 sealing rings, 806 filter screens, 9 right-angle troughs, 10 pushing devices, 101 bases, 102 electric telescopic rods, 103 connecting plates, 104 springs, 105 pushing plates, 11 pushing rods, 12 pushing blocks, 13 discharging gaps, 14 supporting legs and 1401 skid-proof pads.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the specification of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a punching device for production of a power distribution cabinet comprises a workbench 1, a sliding block 2 is connected to one side of the top of the workbench 1 and is positioned at the central position in a sliding manner, a sliding groove matched with the bottom end of the sliding block 2 is formed in one side of the top of the workbench 1, a rectangular fixed frame 3 is fixedly connected to the top of the sliding block 2, racks 4 are fixedly connected to the positions, corresponding to the top and the bottom, of the inner wall of the rectangular fixed frame 3, a servo motor 5 is fixedly connected to one side of the top of the workbench 1 and is close to the position of the rectangular fixed frame 3 through a support, a sector gear 6 is fixedly connected to the output shaft of the servo motor 5 and is positioned inside the rectangular fixed frame 3, the sector gear 6 is meshed with the racks 4, hole punches 7 are arranged at one side of the bottom of the surface of the rectangular fixed frame 3 and are close to the bottoms of two ends, the hole punches 7 are available on, the spraying device 8 can spray water automatically, the punching end of the puncher 7 can be cooled conveniently, heat can be taken away in time through heat transfer, the service life is prolonged, the spraying device is safe and reliable, the spraying device 8 comprises a water tank 81, the top of the water tank 81 is fixedly connected with one side of the bottom of the workbench 1, the bottom of the water tank 81 is communicated with a right-angle connecting pipe 82, the top end of the right-angle connecting pipe 82 penetrates through the workbench 1 and extends to the top of the workbench 1, one end, extending to the top of the workbench 1, of the right-angle connecting pipe 82 is communicated with a piston cylinder 83, the surface of the piston cylinder 83 is fixedly connected with the top of the workbench 1 and close to the rectangular fixed frame 3 through a fixed frame, a piston 84 is arranged inside the piston cylinder 83, a piston rod 85 is fixedly connected with the central position of one side of the surface of the piston 84, one end, far away, a return pipe 87 is communicated with one side of the top of the surface of the water tank 81, a conical funnel 88 is communicated with one end of the return pipe 87 far away from the water tank 81, the top of the conical funnel 88 is fixedly connected with the bottom of the workbench 1 and the right-angle end position of the right-angle trough 9, a water collecting round hole 801 is arranged at the right-angle end of the right-angle trough 9 and the top of the conical funnel 88, a spray nozzle 802 is arranged at one end of a U-shaped pipe 86 far away from the piston cylinder 83, a water outlet check valve 803 is arranged at the surface of the right-angle connecting pipe 82 and the position close to the piston cylinder 83, a water inlet check valve 804 is arranged at one end of the right-angle connecting pipe 82 and the position close to the piston cylinder 83, a sealing ring 805 is fixedly connected with the surface of the piston 84, the sealing ring 805 has a sealing function, pressure relief is avoided, water suction and drainage efficiency can be improved, the filter screen 806 has a filtering function, can timely remove the broken slag falling after punching, and avoids blockage, the two corresponding sides of the top of the workbench 1 and the positions close to the edges are both provided with right-angle troughs 9, the right-angle troughs 9 are grooves, the right-angle ends of the right-angle troughs can position the power distribution cabinet needing punching by means of the inner wall, and can avoid random movement during punching, so that the processing accuracy is improved, one side of the top of the workbench 1, which is far away from the slider 2, and one end of the right-angle trough 9 is provided with a material pushing device 10, the material pushing device 10 can push the power distribution cabinet needing punching, so that the power distribution cabinet needing punching continuously moves along the right-angle trough 9, and further automatic feeding is conveniently realized, the automatic material pushing device 10 comprises a base 101, one end of the base 101 is fixedly connected with the bottom of the workbench 1 and the position at the end of the right-, the working end of the electric telescopic rod 102 is fixedly connected with a connecting plate 103, one side of the surface of the connecting plate 103 far away from the electric telescopic rod 102 is fixedly connected with a spring 104, the spring 104 can provide elasticity, one end of the spring 104 far away from the connecting plate 103 is fixedly connected with a push plate 105, the bottom of the push plate 105 and the bottom of the connecting plate 103 are both provided with sliding notches matched with the right-angle trough 9, the bottom of the push plate 105 and the bottom of the connecting plate 103 are both in sliding connection with the right-angle trough 9, the positions of both sides of the top of the rectangular fixed frame 3 and near the puncher 7 are both fixedly connected with a push rod 11, the push rod 11 can push out the perforated power distribution cabinet to separate the power distribution cabinet from the right-angle trough 9, thereby realizing the function of automatic discharging, reducing the workload of manpower, saving time and labor, having high working efficiency, one end of the push rod 11 far away from the, the one end of workstation 1 and the position that is close to slider 2 have seted up the breach of unloading 13, the equal fixedly connected with supporting leg 14 in the corresponding position in workstation 1 bottom, supporting leg 14 can support whole device, the whole stability of device has been installed to the sky palace, the bottom fixedly connected with slipmat 1401 of supporting leg 14, slipmat 1401 has skid-proof function, the stability of device has further been improved, the material of slipmat 1401 sets up to the rubber material, and antiskid is effectual and with low costs.

When the device is used, firstly, the whole device is placed at a designated position of a processing area, at the moment, the whole device is supported by the supporting legs 14, the overall stability of the device is improved, meanwhile, the weight of the device can be applied to the supporting legs 14, the supporting legs 14 press the anti-skid pads 1401, the anti-skid pads 1401 are made of rubber materials and have good flexibility, the anti-skid pads 1401 are tightly attached to contact surfaces, the anti-skid effect of the anti-skid pads 1401 is good, the stability of the device in the processing process is further improved, at the moment, the push plate 105 is pushed towards the direction of the electric telescopic rod 102, at the moment, the springs 104 are compressed, at the moment, the power distribution cabinet needing to be punched is placed in the right-angle material grooves 9, the right-angle material grooves 9 at two sides of the top of the workbench 1 are filled with the power distribution cabinet needing to be processed, at the moment, the servo motor 5 is started to work, the fan-shaped gear, and the sector gear 6 is engaged with the rack 4, so that the rectangular fixing frame 3 reciprocates in the linear direction, when the rectangular fixing frame 3 moves leftwards and rightwards, the puncher 7 on two sides of the rectangular fixing frame 3 is driven to move simultaneously, when the rectangular fixing frame 3 moves leftwards, the puncher 7 on two sides of the rectangular fixing frame 3 is driven to move leftwards, so that the power distribution cabinet on the left side of the top of the workbench 1 is driven to punch, the piston rod 85 on the spraying device 8 on the left side of the workbench 1 is driven to move leftwards, so that the piston 84 is driven to move leftwards, at the moment, the piston 84 compresses water in the piston cylinder 83, a water outlet check valve 803 is arranged on the surface of the piston 82 and close to the piston cylinder 83, a water inlet check valve 804 is arranged at one end of the right-angle connecting pipe 82 and close to the piston cylinder 83, so that the compressed water can only enter the U-shaped pipe 86, the temperature is timely reduced, at the moment, the punching of the left power distribution cabinet is completed, when the rectangular fixing frame 3 moves to the right side, the puncher 7 on two sides can be driven to move to the right side, so that the punching end of the puncher 7 on the left side on the rectangular fixing frame 3 is separated from the power distribution cabinet with punched holes, the material pushing rods 11 on two sides are driven to move to the right side, the punched power distribution cabinet with the punched holes is pushed out along the right-angle trough 9 by the material pushing rods 11 on the left side, the pushed power distribution cabinet falls from the discharging gap 13, so that automatic discharging is realized, the puncher 7 on the right side of the rectangular fixing frame 3 punches the power distribution cabinet on the right side of the workbench 1, the piston rods 85 on two sides are driven to the right side by the rectangular fixing frame 3 moving to the right side, at the moment, the piston 84 is driven to the right side, and the piston 84 in the spraying, through the action of the water outlet check valve 803 and the water inlet check valve 804, water is sprayed out to cool the punching end of the puncher 7 on the right side of the rectangular fixing frame 3, when the rectangular fixing frame 3 moves to the left side again, the actions are repeated to punch the power distribution cabinet on the left side of the workbench 1, and the material pushing rod 11 on the right side is driven to move to the left side, so that the power distribution cabinet with punched holes is pushed out for discharging, namely, when the rectangular fixing frame 3 moves to the left side, the puncher 7 on the two sides of the rectangular fixing frame 3 all move to the left, the puncher 7 on the left side punches the power distribution cabinet on the left side of the workbench 1, the puncher 7 on the right side is separated from the power distribution cabinet on the right side of the workbench 1, meanwhile, when the inside of the piston cylinder 83 on the left side spray device 8 of the workbench 1 is compressed and sprayed out through the spray head 802, water is absorbed, and the material pushing rod 11 on the right side of the rectangular fixing frame 3 pushes the power distribution cabinet on the right side of the workbench 1 to unload materials, the material pushing rod 11 on the left side is far away from the power distribution cabinet on the left side of the workbench 1, otherwise, the left side and the right side are opposite, when the power distribution cabinet with the punched hole is pushed out, because the spring 104 can provide elastic force, the push plate 105 can push the subsequent power distribution cabinet to move forward continuously, so that automatic feeding is realized, and meanwhile, the right-angle trough 9 is a groove, the right-angle end of the punching machine can position the power distribution cabinet needing punching by depending on the inner wall, thereby avoiding random movement during punching, improving the processing accuracy, and the water sprayed by the spray head 802 can cool the punching end of the puncher 7 in time, at the moment, the cooled water flows into the conical funnel 88 through the water collecting round hole 801, after returning to the tank 81 through the return line 87, a circulation is formed such that cooling is achieved and water resources are saved. Whole device has realized the function of automatic feeding and unloading, and is simple in operation, the amount of labor has alleviateed, time saving and labor saving still has the automatic function of punching simultaneously, punching efficiency has been improved, can carry out automatic cooling to the hole puncher simultaneously, at the in-process of punching, can carry out automatic water spray cooling, in time cool down, and service life has been prolonged, whole device is rational in infrastructure simple, operation convenient to use has reduced the amount of labor, time saving and labor saving has realized the material loading, punch, cooling and unloading integration, and work efficiency is high, and service performance is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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.