CN213388729U - Punching device for leather production - Google Patents

Abstract

The utility model relates to a punching device is used in leather production, including fixed platform and rigid coupling in the gate-type main frame of fixed platform upper surface, the rigid coupling has the first push cylinder of vertical setting on the gate-type main frame, and the lower extreme rigid coupling of first push cylinder has moving frame, and the rigid coupling has the first depression bar of arranging and vertical setting in proper order along the horizontal direction on moving frame's the bottom plate, second push cylinder and second depression bar, and the lower extreme of first depression bar and second depression bar all articulates through horizontal hinge has the clamp plate, and the lower extreme rigid coupling of second push cylinder has the drum die cutter, is equipped with the blanking hole that is located under the drum die cutter on the fixed platform. The utility model discloses utilize earlier, the back action of two promotion cylinders, realize compressing tightly and the operation of punching a hole to the leather, the action of punching a hole is swift rapidly, has improved the efficiency of punching a hole, simple structure simultaneously, uses and the maintenance cost is low to through the altitude mixture control of first depression bar and second depression bar, can satisfy the requirement that compresses tightly of different thickness leathers.

Description

Punching device for leather production

Technical Field

The utility model relates to a leather processing equipment field especially involves a punching device is used in leather production.

Background

Leather is a common preparation material, and in order to meet the use or preparation requirements, round holes are usually required to be processed in production. At present, two punching modes are mainly adopted, one mode is that a large-scale production line punches a hole, hydraulic equipment is adopted, the structure is complex, the use cost is very high, the other mode is that a stamping die is used for manually punching a hole, the labor intensity is high, and the production efficiency is low. Therefore, the punching in the two modes is not suitable for small-batch production, and blind areas exist on the comprehensiveness of application occasions.

Disclosure of Invention

The utility model discloses to prior art's not enough, provide a punching device for leather production, remedied the application blind area that exists among the prior art, be fit for the leather operation of punching a hole of small batch.

The utility model discloses a following technical scheme realizes, provides a punching device is used in leather production, including fixed platform and rigid coupling in the gate-type main frame of fixed platform upper surface, the rigid coupling has the first push cylinder of vertical setting on the gate-type main frame, and the lower extreme rigid coupling of first push cylinder has moving frame, and the rigid coupling has the first depression bar, second push cylinder and the second depression bar of arranging in proper order and vertical setting along the horizontal direction on moving frame's the bottom plate, and the lower extreme of first depression bar and second depression bar all articulates through horizontal hinge has the clamp plate, and the lower extreme rigid coupling of second push cylinder has the drum die cutter, is equipped with the blanking hole that is located under the drum die cutter on the fixed platform.

When the leather punching machine is used, leather is laid on the fixed platform, the movable frame, the pressing rod, the pressing plate and the second pushing cylinder are driven to integrally move downwards through the first pushing cylinder, so that the first pressing plate and the second pressing plate are enabled to tightly press the leather, the leather is prevented from moving during punching, then a piston rod of the second pushing cylinder extends out to drive the cylindrical punching knife to move downwards to punch the leather, the first pushing cylinder and the second pushing cylinder move upwards, and the leather is moved to punch at the next position; the pressing plate is hinged with the pressing rod, so that the pressing plate is better in fit with the leather, the sufficient contact area of the pressing plate and the leather is ensured, and the leather is more reliably fixed; the main frame is arranged to be of a portal structure, so that the punching is more stable.

Preferably, the pressing plate comprises a flat pressing section and inclined guide sections which are inclined upwards and extend from two ends of the flat pressing section respectively, the length of the flat pressing section is greater than or equal to 1.5 times of the outer diameter of the cylindrical punching cutter, a hinged lug seat is fixedly arranged on the top surface of the flat pressing section, and a through hole for the horizontal hinged shaft to penetrate through is formed in the hinged lug seat. This optimization scheme is through setting up the slope section of leading, when there is the arch in the leather, avoids the clamp plate to cause to collude the string to the leather, sets up the length of concora crush section for being more than or equal to 1.5 times of drum die cutter external diameter, guarantees the level and smooth of the position of punching a hole, has improved the quality of punching a hole.

Preferably, the parts of the first pressure lever and the second pressure lever penetrating through the movable frame bottom plate are threaded sections, and fastening nuts respectively positioned on the upper side and the lower side of the movable frame bottom plate are arranged on the threaded sections. This optimization scheme passes through fastening nut with first depression bar, second depression bar and moving frame's bottom plate rigid coupling, simple structure, the convenient high position according to first depression bar of leather thickness adjustment and second depression bar moreover.

As optimization, the through hole for the first pressure lever and the second pressure lever to pass through on the movable frame bottom plate is a long hole, and the length direction of the long hole is consistent with the distance direction of the two pressure plates. This optimization scheme sets up the hole that passes of first depression bar and second depression bar into the slot hole, has realized the adjustment of first depression bar and second depression bar interval, satisfies the punching a hole of not equidimension drum die cutter and compresses tightly the requirement.

Preferably, the cylindrical stamping knife comprises a knife top plate fixedly connected with the piston rod of the second pushing cylinder and a cylindrical knife side plate fixedly connected with the bottom surface of the knife top plate, and the lower end of the knife side plate is provided with a cutting edge. The cylindrical stamping knife with the optimized scheme is simple in structure and low in manufacturing cost.

As optimization, the top plate of the knife is in threaded connection with a mandril vertically penetrating through the inner cavity of the side plate of the knife. This optimization scheme is through setting up the ejector pin, when persisting the tablet that dashes down in the sword side board inner chamber, can be ejecting with the tablet through rotating the ejector pin, makes the tablet clearance more convenient.

As optimization, a plurality of material cleaning holes which are distributed along the circumferential direction and extend along the vertical direction are formed in the cutter side plate. This optimization scheme is through setting up the clear material hole, and convenient edgewise is downwards stirred the tablet out, makes the cleaning work more convenient.

As optimization, a blanking channel with the upper end communicated with the blanking hole is formed in the fixed platform, and the lower end of the blanking channel extends to the side face of the fixed platform. This optimization scheme is through setting up the blanking passageway, makes the tablet that falls to the blanking hole to the landing of blanking passageway, use during the clearance tools such as knee to draw out the tablet in the blanking passageway can, need not to shut down when the clearance.

The utility model has the advantages that: utilize earlier, the back action of two promotion cylinders, realize compressing tightly and the operation of punching a hole to the leather, the action of punching a hole is swift rapidly, has improved the efficiency of punching a hole, simple structure simultaneously, uses and maintenance cost low to through the altitude mixture control of first depression bar and second depression bar, can satisfy the requirement that compresses tightly of different thickness leathers.

Drawings

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

fig. 2 is a side view of the first presser plate of the present invention;

FIG. 3 is a schematic structural view of the cylindrical punching tool of the present invention;

shown in the figure:

1. fixed platform, 2, blanking hole, 3, clamp plate, 4, first depression bar, 5, gate-type main frame, 6, moving frame, 7, second promote the cylinder, 8, bottom plate, 9, drum die cutter, 10, blanking passageway, 11, first promote the cylinder, 31, concora crush section, 32, lead oblique section, 91, sword curb plate, 92, clear material hole, 93, sword roof, 94, ejector pin.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

As shown in fig. 1, the punching device for leather production comprises a fixed platform 1 and a portal main frame 5 fixedly connected to the upper surface of the fixed platform, wherein the portal main frame comprises a cross beam and two vertical columns respectively fixedly connected to two ends of the cross beam, the lower ends of the two vertical columns are respectively fixedly connected with a connecting plate, and the connecting plate is fixedly connected with the fixed platform through bolts.

The fixed connection has the first promotion cylinder 11 of vertical setting on the crossbeam of gate-type main frame, and the lower extreme of first promotion cylinder 11 stretches out the end and the rigid coupling has moving frame 6 for the piston, and moving frame includes back timber, right branch, bottom plate 8 and the left branch of end to end rigid coupling in proper order along circumference. The fixed connection has the first depression bar 4 of arranging and vertical setting in proper order along the horizontal direction on moving frame's the bottom plate, second push cylinder 7 and second depression bar, the cylinder body and the portal main frame rigid coupling of first push cylinder, the cylinder body and the moving frame rigid coupling of second push cylinder, the lower extreme of first depression bar and second depression bar all articulates through horizontal hinge has clamp plate 3, the lower extreme rigid coupling of second push cylinder has drum die cutter 9, be equipped with blanking hole 2 that is located under the drum die cutter on the fixed platform, set up the blanking passageway 10 of upper end and blanking hole intercommunication in the fixed platform, the lower extreme of blanking passageway 10 extends to the fixed platform side.

The pressing plate 3 comprises a flat pressing section 31 and inclined guide sections 32 which extend from two ends of the flat pressing section in an upward inclined mode respectively, the length of the flat pressing section 31 is larger than or equal to 1.5 times of the outer diameter of the cylindrical punching cutter, a hinged lug seat is fixedly arranged on the top surface of the flat pressing section, and a through hole for the horizontal hinge shaft to penetrate through is formed in the hinged lug seat.

The parts of the first pressure lever and the second pressure lever, which penetrate through the movable frame bottom plate, are threaded sections, fastening nuts which are respectively positioned on the upper side and the lower side of the movable frame bottom plate are arranged on the threaded sections, and the height positions of the first pressure lever and the second pressure lever can be adjusted after the fastening nuts are loosened. In order to realize the adjustment of the distance between the two press plates, the through hole for the first press rod and the second press rod to pass through on the moving frame bottom plate 8 is a long hole, and the length direction of the long hole is consistent with the distance direction of the two press plates.

The cylinder die cutter 9 of this embodiment includes the knife top plate 93 with the piston rod rigid coupling of second push cylinder to and the cylindric sword curb plate 91 of rigid coupling in the knife top plate bottom surface, the lower extreme of sword curb plate is equipped with the cutting edge, still set up a plurality of clear material holes 92 that distribute and extend along vertical direction along circumference on the sword curb plate, threaded connection has the vertical ejector pin 94 of wearing to establish to sword curb plate inner chamber on the sword top plate, all can clear up the tablet in the cylinder die cutter through clear material hole and ejector pin.

During the use, spread the leather on fixed platform, the piston rod of first promotion cylinder stretches out downwards, makes moving frame, depression bar, clamp plate and the whole downward shift of second promotion cylinder, and first clamp plate and second clamp plate compress tightly the leather, then, and the piston rod of second promotion cylinder stretches out downwards, drives the drum die cutter and moves down, punches a hole to the leather, and later first promotion cylinder and second promotion cylinder shift up, accomplish once the action of punching a hole, remove the leather again and carry out next position and punch a hole.

Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.

Claims (8)

1. The utility model provides a punching device is used in leather production which characterized in that: including fixed platform (1) and rigid coupling in portal main frame (5) of fixed platform upper surface, the rigid coupling has first push cylinder (11) of vertical setting on the portal main frame, and the lower extreme rigid coupling of first push cylinder (11) has moving frame (6), and the rigid coupling has first depression bar (4), second push cylinder (7) and the second depression bar of arranging and vertical setting in proper order along the horizontal direction on moving frame's the bottom plate, and the lower extreme of first depression bar and second depression bar all articulates through horizontal hinge has clamp plate (3), and the lower extreme rigid coupling of second push cylinder has drum die cutter (9), is equipped with blanking hole (2) that are located under the drum die cutter on the fixed platform.

2. The punching device for leather production according to claim 1, characterized in that: the pressing plate (3) comprises a flat pressing section (31) and inclined guide sections (32) which extend from two ends of the flat pressing section in an upward inclined mode respectively, the length of the flat pressing section (31) is larger than or equal to 1.5 times of the outer diameter of the cylindrical punching cutter, a hinged lug seat is fixedly arranged on the top surface of the flat pressing section, and a through hole for the horizontal hinged shaft to penetrate through is formed in the hinged lug seat.

3. The punching device for leather production according to claim 1, characterized in that: the parts of the first pressure lever and the second pressure lever, which penetrate through the movable frame bottom plate, are threaded sections, and fastening nuts which are respectively positioned on the upper side and the lower side of the movable frame bottom plate are arranged on the threaded sections.

4. The punching device for leather production according to claim 3, characterized in that: the through hole for the first pressure lever and the second pressure lever to pass through on the movable frame bottom plate (8) is a long hole, and the length direction of the long hole is consistent with the distance direction of the two pressure plates.

5. The punching device for leather production according to claim 1, characterized in that: the cylindrical stamping knife (9) comprises a knife top plate (93) fixedly connected with a piston rod of the second pushing cylinder and a cylindrical knife side plate (91) fixedly connected to the bottom surface of the knife top plate, and the lower end of the knife side plate is provided with a knife edge.

6. The punching device for leather production according to claim 5, characterized in that: the top plate is connected with a mandril (94) vertically penetrating through the inner cavity of the side plate.

7. The punching device for leather production according to claim 5, characterized in that: the knife side plate is provided with a plurality of material cleaning holes (92) which are distributed along the circumferential direction and extend along the vertical direction.

8. The punching device for leather production according to claim 1, characterized in that: a blanking channel (10) with the upper end communicated with the blanking hole is arranged in the fixed platform, and the lower end of the blanking channel (10) extends to the side face of the fixed platform.

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