CN214977029U - Waste material punching die - Google Patents

Abstract

The application discloses towards waste material mould includes: the upper die assembly comprises an upper die plate, a sliding block and a punch, wherein the sliding block is arranged on the lower end face of the upper die plate in a sliding mode, the punch is fixedly arranged on the sliding block, the punch is provided with a protruding part, the protruding part is arranged on the local edge of the punching end face of the punch, and the protruding part is used for jacking one side edge of the cut and separated waste material from a product; and the lower die assembly comprises a guide block and a supporting block, the guide block is used for enabling the sliding block to move along the second guide inclined plane, and when the punch cuts off and separates the product on one side of the product, the supporting block is used for supporting and fixing the product on the other side. The waste punching die can automatically separate the punched waste from a product.

Description

Waste material punching die

Technical Field

The application relates to the field of stamping dies, in particular to a waste stamping die.

Background

In the field of stamping dies, when the waste of a product is stamped by using a die, the stamped waste can be clamped on the product frequently and cannot fall off automatically. Therefore, when carrying out the die-cut of waste material to some less products, often can use thimble and the cooperation of waste material drift to carry out the die-cut of waste material, be provided with the thimble hole that can hold the thimble on the waste material drift, the thimble activity sets up in the thimble hole, and after the waste material drift cut off waste material and product, the thimble stretches out the waste material top of blocking on the product in following the thimble hole. However, the ejector pin needs to be arranged inside the waste punch, the outer side wall of the waste punch cannot be tightly attached to the ejector pin due to the process and the cost, and when some smaller products need to be cut off with waste, the ejector pin matched with the waste punch cannot be used for ejecting the waste.

SUMMERY OF THE UTILITY MODEL

The present application is directed to solving at least one of the problems in the prior art. Therefore, the application provides a waste punching die which can automatically separate waste materials subjected to punching from products.

According to the waste material punching die of the embodiment of the application, the waste material punching die comprises: the upper die assembly comprises an upper die plate, a sliding block and a punch, wherein the sliding block is arranged on the lower end face of the upper die plate in a sliding mode, one end of the sliding block is provided with a first guide inclined plane, an included angle between the first guide inclined plane and the upper die plate is an acute angle, the punch is fixedly arranged at the other end of the sliding block, the length direction of the punch is parallel to the first guide inclined plane, the punching end face of the punch is provided with a protruding part, and the protruding part is used for jacking one side edge of the cut and separated waste material from a product; the lower die assembly comprises a guide block and a supporting block, the guide block is provided with a second guide inclined plane, the second guide inclined plane is arranged below the first guide inclined plane, the second guide inclined plane is parallel to the first guide inclined plane, the supporting block is arranged on one side of the guide block, when the upper die assembly moves towards the lower die assembly, the guide block is used for enabling the sliding block to move along the second guide inclined plane, and when the punch cuts off and separates a product on one side of the product, the supporting block is used for supporting and fixing the product on the other side.

According to the waste punching die provided by the embodiment of the application, at least the following beneficial effects are achieved: a protrusion is provided on a partial edge of a press end face of a punch, and the height of the protrusion is made higher than the height of the press end face. When last module and lower module compound die, first direction inclined plane and the butt of second direction inclined plane, the direction of motion of sliding block is become by vertical downwards along second direction inclined plane lapse, and the sliding block and then drives the drift and lead the inclined plane motion along the second. When the punch moves and punches the product, the protruding part on the punch contacts with the product and punches the product partially; because the height of the protruding part is higher than that of the punching end face, when the punch head continues to move, the protruding part jacks up the cut local waste material to separate the local waste material from the surface of the product. Through so setting up, when the drift cuts off waste material and product completely, the lug can make most of the waste material jack-up that has cut off break away from the surface of product, and the waste material can rely on self gravity to drop automatically this moment.

According to some embodiments of the application, the support block is provided with an avoiding hole which is matched with the punch.

According to some embodiments of the application, the lower terminal surface of cope match-plate pattern still is provided with the sliding tray, and the upper end of sliding block slides and sets up in the sliding tray.

According to some embodiments of the application, the upper die assembly further comprises a driving member, the driving member connects one of the upper die plate and the sliding block, and the driving end of the driving member connects the other of the upper die plate and the sliding block.

According to some embodiments of the application, the driver is a nitrogen spring.

According to some embodiments of this application, go up the mould subassembly and still include the briquetting in advance, the other end of sliding block is located to the briquetting in advance, and the briquetting is worn to locate in advance to the drift, and the briquetting slides along the length direction of drift and sets up, and the briquetting is used for treating the product of cutting off and carries out the pre-compaction fixedly.

According to some embodiments of the application, go up the mould assembly and still include the elastic component, the elastic component is located between the other end of sliding block and the pre-compaction piece.

According to some embodiments of the application, the resilient member is a hydraulic shock absorber.

According to some embodiments of the application, go up the mould subassembly and include the locating part, the locating part includes stiff end and spacing end, and the stiff end sets firmly on the sliding block, and the pre-compaction piece slides and sets up between the other end and the spacing end of sliding block.

According to some embodiments of the application, the stiff end is equipped with the mounting hole, and the stiff end is through wearing to locate the bolt and the sliding block fixed connection of mounting hole.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a scrap stamping die according to an embodiment of the present application;

FIG. 2 is a schematic view of an upper die assembly of the scrap stamping die shown in FIG. 1;

FIG. 3 is a schematic view of a lower die assembly of the scrap stamping die shown in FIG. 1;

FIG. 4 is a partial exploded view of the upper die assembly shown in FIG. 2;

FIG. 5 is a partial exploded view of the upper die assembly shown in FIG. 2 (upper die plate not shown);

FIG. 6 is a schematic view of the punch shown in FIG. 2;

FIG. 7 is a schematic illustration of a product and waste material according to an embodiment of the present application.

Reference numerals:

an upper die assembly 100, an upper die plate 110, a slide groove 111, a slide block 120, a first guide slope 121, a punch 130, a protrusion 131, a driving member 140, a preload block 150, an elastic member 160, a stopper 170, a mounting hole 171, a first guide slope, a second guide slope, a third guide slope, a fourth guide slope, a fifth guide slope, a sixth guide slope, a fifth guide slope, a sixth guide slope, a fourth guide slope, a fifth guide slope, a fourth guide slope, a fifth guide slope, a fourth guide slope, a fifth guide slope, a fourth guide slope, a fifth guide slope, a fifth guide, a fifth, a fourth, a fifth, a,

A lower die component 200, a guide block 210, a second guide inclined plane 211, a supporting block 220, a relief hole 221, a product 300,

And (4) waste material 400.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.

In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and larger, smaller, larger, etc. are understood as excluding the present number, and larger, smaller, inner, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.

Referring to fig. 1, 2, 3 and 6, a scrap stamping die according to an embodiment of the present application includes: the upper die assembly 100 comprises an upper die plate 110, a sliding block 120 and a punch 130, wherein the sliding block 120 is horizontally arranged on the lower end surface of the upper die plate 110 in a sliding manner, one end of the sliding block 120 is provided with a first guide inclined surface 121, an included angle between the first guide inclined surface 121 and the upper die plate 110 is an acute angle, the punch 130 is fixedly arranged at the other end of the sliding block 120, the length direction of the punch 130 is parallel to the first guide inclined surface 121, the punch 130 is provided with a protruding part 131, the protruding part 131 is arranged on the local edge of the punching end surface of the punch 130, the height of the protruding part 131 is higher than that of the punching end surface, and the protruding part 131 is used for jacking one side edge of the cut and separated waste 400 from the product 300; the lower die assembly 200, the lower die assembly 200 includes a guide block 210 and a supporting block 220, the guide block 210 is provided with a second guide inclined plane 211, the second guide inclined plane 211 is arranged below the first guide inclined plane 121, the second guide inclined plane 211 is parallel to the first guide inclined plane 121, the supporting block 220 is arranged on one side of the guide block 210, when the upper die assembly 100 moves towards the lower die assembly 200, the guide block 210 is used for enabling the sliding block 120 to move along the second guide inclined plane 211, and when the punch 130 cuts off and separates the product 300 on one side of the product 300, the supporting block 220 is used for supporting and fixing the product 300 on the other side.

According to the waste punching die provided by the embodiment of the application, at least the following beneficial effects are achieved: a protrusion 131 is provided at a partial edge of the punch end surface of the punch 130, and the height of the protrusion 131 is made higher than the punch end surface. When the upper mold assembly 100 and the lower mold assembly 200 are closed, the first guide inclined surface 121 and the second guide inclined surface 211 are abutted, the moving direction of the sliding block 120 is changed from vertical downward to downward sliding along the second guide inclined surface 211, and the sliding block 120 further drives the punch 130 to move along the second guide inclined surface 211. When the punch 130 moves and punches the product 300, the protrusion 131 of the punch 130 first contacts the product 300 and partially punches the product 300; since the height of the protrusion 131 is higher than that of the punched end face, when the punch 130 continues to move, the protrusion 131 pushes up the cut partial scraps 400 to be separated from the surface of the product 300. By so doing, when the punch 130 completely cuts the scrap 400 from the product 300, the protrusion 131 can push up and separate most of the cut scrap 400 from the surface of the product 300, and the scrap 400 can be automatically dropped by its own weight.

Referring to fig. 2 and 7, according to some embodiments of the present application, the support block 220 is provided with an escape hole 221 that is matched with the punch 130, and the size of the escape hole 221 is the same as the size of the outer profile of the punch 130. The support block 220 is provided with the escape hole 221, and the size of the escape hole 221 is made the same as the size of the outer contour of the punch 130 even though the portion of the product 300, which is not cut off, is located outside the escape hole 221 and abuts against the surface of the support block 220. By such an arrangement, the product 300 can be better supported, and the portion of the product 300 which does not need to be cut off is prevented from being deformed by force during the process of cutting the waste 400 by the punch 130.

Referring to fig. 4, according to some embodiments of the present application, the lower end surface of the upper plate 110 is further provided with a sliding groove 111, and the upper end portion of the sliding block 120 is slidably disposed in the sliding groove 111. Before the upper and lower mold assemblies 100 and 200 are clamped, the slide block 120 and the upper mold plate 110 are kept stationary. The slide groove 111 is provided on the lower end surface of the upper die plate 110 so that the upper end portion of the slide block 120 can slide in the horizontal direction in the slide groove 111, and when the upper die assembly 100 and the lower die assembly 200 are clamped, the first guide slope 121 is brought into contact with the second guide slope 211 while the height thereof is lowered, and the slide block 120 provided with the first guide slope 121 slides along the second guide slope 211 because the second guide slope 211 is fixed, and at this time, the slide block 120 is restricted by the upper die plate 110 to move horizontally with respect to the upper die plate 110.

Referring to fig. 5, according to some embodiments of the present application, the upper die assembly 100 further includes a driving member 140, the driving member 140 connects one of the upper die plate 110 and the sliding block 120, and the driving end of the driving member 140 connects the other of the upper die plate 110 and the sliding block 120. The purpose of providing the driving member 140 and connecting the main body and the driving end of the driving member 140 to the upper die plate 110 and the sliding block 120, respectively, is to lift the upper die assembly 100 after the punching of the scrap material 400 is completed, and simultaneously, the driving member 140 returns the sliding block 120 to the position before punching for the next punching.

According to some embodiments of the present application, the driver 140 is a nitrogen spring.

Referring to fig. 2 and 5, according to some embodiments of the present application, the upper die assembly 100 further includes a pre-pressing block 150, the pre-pressing block 150 is disposed at the other end of the sliding block 120, the punch 130 is disposed through the pre-pressing block 150, the pre-pressing block 150 is slidably disposed along a length direction of the punch 130, and the pre-pressing block 150 is configured to pre-press and fix a product 300 to be cut. The purpose of the pre-pressing block 150 is to apply a certain pressure to the product 300 by the pre-pressing block 150 before the punch 130 punches the waste material 400 on the product 300, so that the pre-pressing block is tightly attached to the supporting block 220, and the punch 130 is prevented from deviating due to the position looseness caused by the unfixed product 300 in the punching process.

Referring to fig. 5, according to some embodiments of the present application, the upper die assembly 100 further includes an elastic member 160, and the elastic member 160 is disposed between the other end of the sliding block 120 and the pre-pressing block 150. The elastic member 160 is disposed such that the elastic member 160 is located between the sliding block 120 and the pre-pressing block 150, so that when the pre-pressing member abuts against the surface of the product 300, a certain pre-pressing force can be applied to the surface of the product 300, and the product 300 can be tightly attached to the support.

According to some embodiments of the present application, the elastic member 160 is a hydraulic buffer. The hydraulic buffer has the advantages that the hydraulic buffer can slowly shrink when receiving the action of external force, so that the prepressing block 150 is prevented from rapidly sliding to generate large impact on a die; while the hydraulic buffer can be automatically reset slowly after the die cutting of the scrap 400 is completed.

Referring to fig. 2 and 5, according to some embodiments of the present application, the upper die assembly 100 includes a limiting member 170, the limiting member 170 includes a fixed end and a limiting end, the fixed end is fixed on the sliding block 120, and the pre-pressing block 150 is slidably disposed between the other end and the limiting end of the sliding block 120. The limiting member 170 is disposed, and a fixed end of the limiting member 170 is fixedly disposed on the sliding block 120, and one end away from the fixed end is disposed as a limiting end, and the limiting end is disposed with a protrusion protruding from a side wall thereof. The side wall of the pre-pressing block 150 is provided with a sliding groove, and the protrusion of the limiting end is arranged in the sliding groove in a relatively sliding manner. When the upper die assembly 100 is moved downwardly toward the die, the pre-press block 150 is brought close to the product 300 under the pressure applied by the elastic member 160 and abuts against the surface of the product 300. When the upper mold assembly 100 moves upward to open the mold, the protrusions sliding in the sliding groove exert an upward force on the side wall of the sliding groove, so that the sliding block 120 is lifted up to the height of the pre-pressing block 150 by the limiting end of the limiting member 170.

Referring to fig. 5, according to some embodiments of the present application, the fixing end is provided with a mounting hole 171, and the fixing end is fixedly connected with the sliding block 120 by a bolt penetrating through the mounting hole 171. The mounting hole 171 is provided to facilitate the connection between the stopper 170 and the sliding block 120.

Referring to fig. 1 to 7, a scrap stamping die according to an embodiment of the present application is described in detail as a specific embodiment. It is to be understood that the following description is only exemplary, and not a specific limitation of the application.

The scrap punching die comprises an upper die assembly 100 and a lower die assembly 200, wherein the upper die assembly 100 comprises an upper die plate 110, a sliding block 120, a punch 130, a driving member 140, a pre-pressing block 150, an elastic member 160 and a limiting member 170, and the lower die assembly 200 comprises a guide block 210 and a supporting block 220.

The upper plate 110 has a sliding groove 111 on a lower end surface thereof, the upper end portion of the slide block 120 is slidably disposed in the sliding groove 111, and the sliding groove 111 can restrict the slide block 120 to slide in a horizontal direction. One end of the sliding block 120 is provided with a first guiding inclined surface 121, and an included angle between the first guiding inclined surface 121 and the upper template 110 is an acute angle; the punch 130 is fixedly arranged at the other end of the sliding block 120, the length direction of the punch 130 is parallel to the first guide slope 121, the punch 130 is provided with a protrusion 131, the protrusion 131 is arranged at a partial edge of the punching end face of the punch 130, the height of the protrusion 131 is higher than that of the punching end face, and the protrusion 131 is used for jacking one side edge of the cut and separated waste 400 from the product 300. The driving member 140 is disposed between the upper mold plate 110 and the sliding block 120, the driving member 140 is fixedly connected to the upper mold plate 110, the driving end of the driving member 140 is fixedly connected to the sliding block 120, after the punching of the scrap material 400 is completed, the upper mold assembly 100 is lifted, and the driving member 140 returns the sliding block 120 to the position before the punching for the next punching. The pre-pressing block 150 is disposed at an end of the sliding block 120 away from the first guiding inclined plane 121, and a through hole is disposed on the pre-pressing block 150, and the punch 130 penetrates through the through hole. The fixed end of the limiting member 170 is fixedly disposed on the sliding block 120, and the end away from the fixed end is disposed as a limiting end, and the limiting end is disposed with a protrusion protruding from the side wall thereof. The side wall of the pre-pressing block 150 is provided with a sliding groove, and the protrusion of the limiting end is arranged in the sliding groove in a relatively sliding manner. When the upper mold assembly 100 moves upward to open the mold, the protrusions sliding in the sliding groove exert an upward force on the side wall of the sliding groove, so that the sliding block 120 is lifted up to the height of the pre-pressing block 150 by the limiting end of the limiting member 170. The elastic member 160 is disposed between the sliding block 120 and the pre-pressing block 150, and when the pre-pressing member abuts against the surface of the product 300, a certain pre-pressing force can be applied to the surface of the product 300, so that the product 300 can be tightly attached to the supporting member.

According to the waste punching die, at least some effects can be achieved as follows by the arrangement: a protrusion 131 is provided at a partial edge of the punch end surface of the punch 130, and the height of the protrusion 131 is made higher than the punch end surface. When the upper mold assembly 100 and the lower mold assembly 200 are closed, the first guide inclined surface 121 and the second guide inclined surface 211 are abutted, the moving direction of the sliding block 120 is changed from vertical downward to downward sliding along the second guide inclined surface 211, and the sliding block 120 further drives the punch 130 to move along the second guide inclined surface 211. When the punch 130 moves and punches the product 300, the protrusion 131 of the punch 130 first contacts the product 300 and partially punches the product 300; since the height of the protrusion 131 is higher than that of the punched end face, when the punch 130 continues to move, the protrusion 131 pushes up the cut partial scraps 400 to be separated from the surface of the product 300. By so doing, when the punch 130 completely cuts the scrap 400 from the product 300, the protrusion 131 can push up and separate most of the cut scrap 400 from the surface of the product 300, and the scrap 400 can be automatically dropped by its own weight.

The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present application.

Claims (10)

1. A scrap stamping die, comprising:

the upper die assembly comprises an upper die plate, a sliding block and a punch, wherein the sliding block is arranged on the lower end face of the upper die plate in a sliding mode, one end of the sliding block is provided with a first guide inclined plane, an included angle between the first guide inclined plane and the upper die plate is an acute angle, the punch is fixedly arranged at the other end of the sliding block, the length direction of the punch is parallel to the first guide inclined plane, the punching end face of the punch is provided with a protruding portion, and the protruding portion is used for jacking one side edge of the waste materials which are cut off and separated from the product;

the lower die assembly comprises a guide block and a supporting block, the guide block is provided with a second guide inclined plane, the second guide inclined plane is arranged below the first guide inclined plane and is parallel to the first guide inclined plane, the supporting block is arranged on one side of the guide block, when the upper die assembly moves towards the lower die assembly, the guide block is used for enabling the sliding block to move along the second guide inclined plane, and when the punch is arranged on one side of the product to cut off and separate the product, the supporting block is used for supporting and fixing the product on the other side.

2. The scrap stamping die of claim 1, wherein the support block is provided with relief holes for cooperation with the punch.

3. The scrap stamping die according to claim 1, wherein the lower end surface of the upper die plate is further provided with a sliding groove, and the upper end portion of the sliding block is slidably disposed in the sliding groove.

4. The scrap stamping die of claim 3, wherein the upper die assembly further comprises a drive member coupled to one of the upper die plate and the slide block, the drive end of the drive member being coupled to the other of the upper die plate and the slide block.

5. The scrap stamping die of claim 4, wherein the drive member is a nitrogen spring.

6. The scrap punching die of claim 1, wherein the upper die assembly further comprises a pre-pressing block, the pre-pressing block is arranged at the other end of the sliding block, the punch penetrates through the pre-pressing block, the pre-pressing block is arranged in a sliding mode along the length direction of the punch, and the pre-pressing block is used for pre-pressing and fixing a product to be cut.

7. The scrap stamping die of claim 6, wherein the upper die assembly further comprises a resilient member disposed between the other end of the slide block and the pre-press block.

8. The scrap stamping die of claim 7, wherein the resilient member is a hydraulic buffer.

9. The scrap stamping die according to claim 6, wherein the upper die assembly comprises a limiting member, the limiting member comprises a fixed end and a limiting end, the fixed end is fixedly arranged on the sliding block, and the pre-pressing block is slidably arranged between the other end of the sliding block and the limiting end.

10. The scrap stamping die of claim 9, wherein the fixed end is provided with a mounting hole, and the fixed end is fixedly connected with the sliding block through a bolt penetrating the mounting hole.

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