CN220827419U

CN220827419U - Cutting bed perforating device for leather production

Info

Publication number: CN220827419U
Application number: CN202322496009.3U
Authority: CN
Inventors: 林加懂; 杨丽; 杨蒙蒙; 林仕豪; 杨笑笑
Original assignee: Guangzhou Daozejin Leather Technology Co ltd
Current assignee: Guangzhou Daozejin Leather Technology Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-04-23
Anticipated expiration: 2033-09-14

Abstract

The utility model relates to the technical field of leather punching, in particular to a cutting bed punching device for leather production, which comprises a processing table top, wherein a supporting frame is fixedly connected to the center of one side edge of the top surface of the processing table top, a pneumatic push rod is fixedly connected to the center of one side of the top surface of the supporting frame, and a fixing plate is fixedly connected to the telescopic end of the pneumatic push rod. The utility model has the advantages that: the pneumatic push rod directly pushes the blanking cutter tube to downwards punch, the spike-shaped knife edge at the bottom of the blanking cutter tube can be firstly contacted with a leather blanking point and is firstly pierced with a point, along with the downward pressing, the inclined plane of the knife edge is gradually pressed to realize the tangential force, so that the resistance of the opening is small, the punching resistance is small, the leather cannot be pressed to be concave, the diameter of the cut is more accurate and smooth, the punching effect is improved, the pressing is continued after the blanking, the extrusion type inflating air bag is extruded by the baffle, the piston is pushed by the air pressure to downwards push the ejector rod, and waste materials which are pushed into the blanking cutter tube can be ejected out, so that the automatic cleaning is realized.

Description

Cutting bed perforating device for leather production

Technical Field

The utility model relates to the technical field of leather punching, in particular to a cutting bed punching device for leather production.

Background

The utility model provides a leather goods production needs to use perforating device to set up the hole site, generally adopt the mode trompil of punching a hole, it is disclosed in chinese utility model CN206561459U that an automatic cutting bed perforating device of clothing production, this automatic cutting bed perforating device of clothing production, the cooperation of cutting edge and discharge opening, can make cloth or leather of punching department fine cut, not leave the deckle edge, the convenience is operated in next process, moreover, the thimble can jack up cloth or the leather that produce of punching into the discharge opening under the effect of spring, prevent to influence later operation, simply reliably, but this automatic cutting bed perforating device of clothing production is when punching a hole, the thimble contacts with the leather surface earlier, along with pushing down, the thimble progressively contracts, but the thrust of thimble can lead to the trompil position to the sunken part in the discharge sky, cause the actual size of trompil to be partial big, the machining precision receives the influence, moreover, lack the cutting force when pushing down, can not high-efficient quick punch down, the blade that leads to the trompil easily appears.

Disclosure of utility model

The object of the present utility model is to solve at least one of the technical drawbacks.

Therefore, an object of the present utility model is to provide a cutting bed punching device for leather production, so as to solve the problems mentioned in the background art and overcome the defects in the prior art.

In order to achieve the above-mentioned purpose, an embodiment of the utility model provides a cutting bed perforating device for leather production, including processing mesa, the center department of processing mesa top surface one side edge fixedly connected with support frame, the center department fixedly connected with pneumatic push rod of support frame top surface one side, pneumatic push rod's telescopic end fixedly connected with fixed plate, the center department fixedly connected with blanking sword pipe of fixed plate bottom surface, the bottom chamfer of blanking sword pipe is sharp thorn form, the top sliding connection of blanking sword pipe inner wall has the piston, the center department fixedly connected with ejector pin of piston bottom surface, the center department of fixed plate bottom surface both sides all fixedly connected with extrusion formula air bag, two the output of extrusion formula air bag all fixedly connected with gas-supply pipe, the one end of gas-supply pipe keeps away from extrusion formula air bag is linked together with the top of blanking sword pipe fixedly, the center department of extrusion formula air bag inner wall is provided with reset spring, extrusion formula air bag opens under reset spring's promotion, the top position is in the top of piston pipe output, the top surface of two side of support frame is in the corresponding to be equipped with the blanking sword, the diameter of two side face air bags, the top surface of two side face air bags is equipped with the corresponding to be equipped with the blanking sword, the diameter of two side face air bags is equipped with the top surface, the diameter of two side face air bags is equipped with the corresponding to the blanking sword.

By the above-mentioned scheme preferred, the bottom fixedly connected with deflector of blanking sword intraductal wall, the bottom of ejector pin runs through the centre of a circle of deflector and with deflector sliding connection, ejector pin and deflector clearance fit.

The technical effect achieved by adopting the scheme is as follows: the ejector rod can be limited to swing through the guide plate, so that the ejector rod can be kept to vertically push up and down, and meanwhile, the joint of the ejector rod and the guide plate can be ventilated through clearance fit.

By the preferred bottom fixedly connected with spring baffle of above-mentioned arbitrary scheme, spring baffle's outer wall sliding connection has the guide sleeve, guide sleeve's bottom surface fixedly connected with pressure strip, the through-hole has been seted up to pressure strip's center department, the diameter of through-hole and the diameter looks adaptation of bin outlet, guide sleeve's inner wall is provided with hold-down spring, hold-down spring is in between pressure strip and the spring baffle, the position of through-hole corresponds with the position of bin outlet.

The technical effect achieved by adopting the scheme is as follows: the position of the through hole corresponds to the position of the discharge hole, so that the blanking cutter pipe can pass through the through hole in the middle of the compacting plate.

By the above-mentioned scheme preferred, the diameter of guide sleeve inner wall and the diameter looks adaptation of spring baffle, the top fixedly connected with limit flange of guide sleeve inner wall, the diameter of limit flange inner wall is less than the diameter of spring baffle, the pressure strip is in the position of blanking sword pipe bottom under the promotion of hold-down spring.

The technical effect achieved by adopting the scheme is as follows: make the hold-down spring compress tightly the pressure strip, and then compress tightly leather for leather is firmly compressed tightly when punching a hole, improves stability and the accuracy of punching a hole.

By the above-mentioned scheme preferred, the center department fixedly connected with damping slipmat of processing mesa top surface, the center department of damping slipmat has seted up the round hole, the diameter of round hole and the diameter looks adaptation of bin outlet, the position of round hole corresponds with the position of bin outlet.

The technical effect achieved by adopting the scheme is as follows: the friction force of leather placed at the top of the processing table top can be improved through the damping anti-slip pad, the leather is prevented from sliding, and the stability in punching is improved.

By the above-mentioned scheme preferred, both sides in the middle part of processing mesa bottom surface all fixedly connected with pull guide rail, processing mesa bottom is through pull guide rail sliding connection having the receiver box, the position of receiver box corresponds with the position of bin outlet.

The technical effect achieved by adopting the scheme is as follows: the waste is conveniently and intensively received by the receiving box.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. This cutting bed perforating device for leather production directly promotes blanking cutter pipe through pneumatic push rod and punches a hole downwards, and the spike form edge of a knife of blanking cutter pipe bottom can contact leather blanking point earlier, punctures a bit earlier moreover, along with pushing down, and the inclined plane of edge of a knife is gradually pressed and is realized the tangential force for trompil resistance is little, and the resistance of punching a hole is little, can not press leather to move sunken, and then makes incision diameter more accurate smooth, improves the punching effect.

2. This cutting bed perforating device for leather production continues to push down after the blanking, makes extrusion formula inflating gasbag by the baffle extrusion, and pneumatic pressure promotes the piston and promotes the ejector pin downwards, can push out the waste material that is in the blanking sword intraduct, realizes automatic clearance.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure of FIG. 2 at A-A in accordance with the present utility model.

In the figure: the device comprises a machining table top, a 2-supporting frame, a 3-pneumatic push rod, a 4-fixing plate, a 5-blanking cutter tube, a 6-spring baffle plate, a 7-guide sleeve, an 8-pressing plate, a 9-extrusion type inflating air bag, a 10-air pipe, an 11-damping anti-skid pad, a 12-discharge hole, a 13-baffle plate, a 14-receiving box, a 15-piston, a 16-push rod, a 17-guide plate, an 18-pressing spring and a 19-reset spring.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.

Embodiment one: as shown in fig. 1 to 3, a cutting bed perforating device for leather production comprises a processing table top 1, a supporting frame 2 is fixedly connected to the center of the edge of one side of the top surface of the processing table top 1, a pneumatic push rod 3 is fixedly connected to the center of one side of the top surface of the supporting frame 2, a fixing plate 4 is fixedly connected to the telescopic end of the pneumatic push rod 3, a blanking cutter pipe 5 is fixedly connected to the center of the bottom surface of the fixing plate 4, the bottom of the blanking cutter pipe 5 is beveled into a spike shape, a piston 15 is slidingly connected to the top of the inner wall of the blanking cutter pipe 5, a push rod 16 is fixedly connected to the center of the bottom surface of the piston 15, extrusion type inflating air bags 9 are fixedly connected to the centers of two sides of the bottom surface of the fixing plate 4, an air pipe 10 is fixedly connected to the output ends of the two extrusion type inflating air bags 9, one end of the air pipe 10, which is far away from the extrusion type air pumping air bag 9, is fixedly connected with the top of the blanking cutter pipe 5 and is communicated with the inner wall of the blanking cutter pipe 5, a reset spring 19 is arranged at the center of the inner wall of the extrusion type air pumping air bag 9, the extrusion type air pumping air bag 9 is opened under the pushing of the reset spring 19, the output end position of the air pipe 10 is positioned at the top of the piston 15, two baffle plates 13 are fixedly connected with two sides of one side face of the support frame 2, the two baffle plates 13 respectively correspond to the positions of the bottom surfaces of the two extrusion type air pumping air bags 9, the length of the ejector rod 16 is smaller than the depth of the inner wall of the blanking cutter pipe 5, the bottom of the ejector rod 16 can be pushed by the piston 15 to extend out of the blanking cutter pipe 5 when the two extrusion type air pumping air bags 9 are completely extruded, a discharge hole 12 is formed in the center of the top surface of the processing table top 1, and the diameter of the discharge hole 12 is matched with the size of the outer wall of the blanking cutter pipe 5.

As an alternative technical scheme of the utility model, the bottom of the inner wall of the blanking cutter pipe 5 is fixedly connected with a guide plate 17, the bottom of the ejector rod 16 penetrates through the circle center of the guide plate 17 and is in sliding connection with the guide plate 17, the ejector rod 16 is in clearance fit with the guide plate 17, the ejector rod 16 can be limited to swing through the guide plate 17 so as to keep vertical pushing up and down, and meanwhile, the clearance fit ensures that the joint of the ejector rod 16 and the guide plate 17 can be ventilated.

As an alternative technical scheme of the utility model, the bottom of the outer wall of the blanking cutter pipe 5 is fixedly connected with a spring baffle 6, the outer wall of the spring baffle 6 is slidably connected with a guide sleeve 7, the bottom surface of the guide sleeve 7 is fixedly connected with a pressing plate 8, the center of the pressing plate 8 is provided with a through hole, the diameter of the through hole is matched with the diameter of a discharge hole 12, the inner wall of the guide sleeve 7 is provided with a pressing spring 18, the pressing spring 18 is positioned between the pressing plate 8 and the spring baffle 6, and the position of the through hole corresponds to the position of the discharge hole 12, so that the blanking cutter pipe 5 can pass through the through hole in the middle of the pressing plate 8.

As an alternative technical scheme of the utility model, the diameter of the inner wall of the guide sleeve 7 is matched with the diameter of the spring baffle plate 6, the top of the inner wall of the guide sleeve 7 is fixedly connected with a limit flange, the diameter of the inner wall of the limit flange is smaller than the diameter of the spring baffle plate 6, the pressing plate 8 is positioned at the bottom of the blanking cutter tube 5 under the pushing of the pressing spring 18, the pressing plate 8 firstly presses the top surface of leather when the pneumatic push rod 3 pushes the blanking cutter tube 5 to downwards punch, and the pressing spring 18 presses the pressing plate 8 and further presses the leather along with the continuous pressing, so that the leather is firmly pressed when being punched, and the stability and the accuracy of punching are improved.

As an alternative technical scheme of the utility model, the center of the top surface of the processing table top 1 is fixedly connected with the damping anti-slip pad 11, the center of the damping anti-slip pad 11 is provided with a round hole, the diameter of the round hole is matched with the diameter of the discharge hole 12, the position of the round hole corresponds to the position of the discharge hole 12, the friction force of leather placed on the top of the processing table top 1 can be improved through the damping anti-slip pad 11, the leather is prevented from sliding, and the stability during punching is improved.

As an alternative technical scheme of the utility model, the two sides of the middle part of the bottom surface of the processing table top 1 are fixedly connected with the drawing guide rails, the bottom of the processing table top 1 is slidably connected with the receiving box 14 through the drawing guide rails, the position of the receiving box 14 corresponds to the position of the discharge port 12, and the waste materials are convenient to be intensively received through the receiving box 14.

A cutting bed perforating device for leather production has the following working principle:

1) The pneumatic push rod 3 directly pushes the blanking cutter pipe 5 to downwards punch, and the compacting plate 8 firstly compacts the top surface of leather;

2) The spike-shaped knife edge at the bottom of the blanking knife pipe 5 can contact with the leather blanking point firstly and puncture a point firstly along with the continuous downward pressing, and the inclined surface of the knife edge is gradually pressed along with the downward pressing to realize the cutting force, so that the resistance of the hole opening is small, the punching resistance is small, the leather is not pressed and sunken, and the diameter of the cut is more accurate and smooth;

3) After punching, the punching is continued to be pressed down, so that the extrusion type inflating bag 9 is extruded by the baffle 13, the air pressure pushes the piston 15 to push the ejector rod 16 downwards, and waste materials which are punched into the blanking cutter tube 5 can be ejected out;

4) Then the blanking cutter tube 5 is lifted, the extrusion type inflating bag 9 is opened by pushing of the reset spring 19, air pressure at the top of the blanking cutter tube 5 is sucked away, negative pressure is caused, and the piston 15 is sucked up and reset so as to carry out next processing.

To sum up, this cutting bed perforating device for leather production directly promotes blanking cutter pipe 5 through pneumatic push rod 3 and punches a hole downwards, and the spike form edge of blanking cutter pipe 5 bottom can contact leather blanking point earlier, punctures a bit earlier in addition, and along with pushing down, the gradual pressure in inclined plane of edge realizes the tangential force for trompil resistance is little, and the resistance of punching a hole is little, can not be with leather indent, and then makes the incision diameter more accurate smooth, improves the effect of punching, continues to push down after the blanking, makes extrusion formula inflating gasbag 9 by baffle 13 extrusion, and pneumatic pressure promotes piston 15 downwardly pushing ejector pin 16, can be ejecting the waste material that is in blanking cutter pipe 5 inside, realizes automatic clearance.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Cutting bed perforating device is used in leather production, its characterized in that: the pneumatic pressing device comprises a processing table top (1), a supporting frame (2) is fixedly connected to the center of one side edge of the top surface of the processing table top (1), a pneumatic push rod (3) is fixedly connected to the center of one side of the top surface of the supporting frame (2), a fixing plate (4) is fixedly connected to the telescopic end of the pneumatic push rod (3), a blanking cutter pipe (5) is fixedly connected to the center of the bottom surface of the fixing plate (4), the bottom of the blanking cutter pipe (5) is beveled into a spike shape, a piston (15) is slidingly connected to the top of the inner wall of the blanking cutter pipe (5), a push rod (16) is fixedly connected to the center of the bottom surface of the piston (15), extrusion type inflating air bags (9) are fixedly connected to the centers of the two sides of the bottom surface of the fixing plate (4), an output end of each extrusion type inflating air bag (9) is fixedly connected with a gas pipe (10), one end of each gas pipe (10) far away from the extrusion type inflating air bags (9) is fixedly connected with the top of the blanking cutter pipe (5) and is communicated with the inner wall of the blanking cutter pipe (5), the center of the inner wall (9) is fixedly connected with a piston (15), an ejector rod (16) is fixedly connected to the center of the bottom of the piston (15), an ejector spring (19) is arranged at the center of the bottom of the extrusion type air bags (9) and the top of the air bags (19 are arranged at the top of the air bags (19, the two sides of a side face of the supporting frame (2) are fixedly connected with baffle plates (13), the two baffle plates (13) are respectively corresponding to the positions of the bottom faces of the two extrusion type inflating air bags (9), the length of the ejector rod (16) is smaller than the depth of the inner wall of the blanking cutter tube (5), the two bottom parts of the ejector rod (16) can be pushed by the piston (15) to extend out of the outer part of the blanking cutter tube (5) when the extrusion type inflating air bags (9) are completely extruded, a discharge outlet (12) is formed in the center of the top face of the processing table top (1), and the diameter of the discharge outlet (12) is matched with the size of the outer wall of the blanking cutter tube (5).

2. The cutting bed punching device for leather production according to claim 1, wherein: the bottom of blanking sword pipe (5) inner wall fixedly connected with deflector (17), the centre of a circle of deflector (17) is run through to the bottom of ejector pin (16) and with deflector (17) sliding connection, ejector pin (16) and deflector (17) clearance fit.

3. The cutting bed punching device for leather production according to claim 1, wherein: the blanking cutter tube is characterized in that a spring baffle (6) is fixedly connected to the bottom of the outer wall of the blanking cutter tube (5), a guide sleeve (7) is slidably connected to the outer wall of the spring baffle (6), a pressing plate (8) is fixedly connected to the bottom surface of the guide sleeve (7), a through hole is formed in the center of the pressing plate (8), the diameter of the through hole is matched with the diameter of a discharge hole (12), a pressing spring (18) is arranged on the inner wall of the guide sleeve (7), the pressing spring (18) is located between the pressing plate (8) and the spring baffle (6), and the position of the through hole corresponds to the position of the discharge hole (12).

4. A cutting bed perforating device for leather production as claimed in claim 3, wherein: the diameter of guide sleeve (7) inner wall and the diameter looks adaptation of spring baffle (6), the top fixedly connected with limit flange of guide sleeve (7) inner wall, the diameter of limit flange inner wall is less than the diameter of spring baffle (6), pressure strip (8) are in the position of blanking sword pipe (5) bottom under the promotion of pressure spring (18).

5. The cutting bed punching device for leather production according to claim 1, wherein: the damping anti-slip pad (11) is fixedly connected to the center of the top surface of the machining table top (1), a round hole is formed in the center of the damping anti-slip pad (11), the diameter of the round hole is matched with the diameter of the discharge hole (12), and the position of the round hole corresponds to the position of the discharge hole (12).

6. The cutting bed punching device for leather production according to claim 5, wherein: the two sides of the middle part of the bottom surface of the processing table top (1) are fixedly connected with drawing guide rails, the bottom of the processing table top (1) is slidably connected with a receiving box (14) through the drawing guide rails, and the position of the receiving box (14) corresponds to the position of the discharge opening (12).