A punching die for processing a metal adapter piece material belt with holes

Abstract

The utility model discloses a kind of for processing punch-cutting die of hole metal adapter piece material belt, including base, upper die and lower die are installed on the base, the lower die both ends are provided with the support frame for supporting upper die;Upper die includes upper pressing plate, driving unit is installed on upper pressing plate, the connecting end of driving unit is fixedly connected punch-cutting mechanism, punch-cutting mechanism is driven by driving unit, so that large hole punch-cutting structure piece and small hole punch-cutting structure piece in punch-cutting mechanism respectively pass through lower die plate to complete the punching of material belt, by setting annular punch needle and conical punch needle in upper pressing plate, realize that punch-cutting action is completed in one time stamping, reduce punching process and save time, improve production efficiency.Material belt pressing plate is respectively provided with press wheel in both ends, so that material belt is not driven by the reset of punch needle after completing punch-cutting action, so that punch-cutting position is more accurate, simultaneously reduce the manual intervention needed due to the separation of material belt, improve production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of metal processing technology, specifically a punching die for processing perforated metal adapter strips. Background Technology

[0002] Metal adapter pieces are all processed by punching. The punching die usually includes an upper die and a lower die, which work together to punch the metal adapter piece located between the upper die and the lower die from the strip.

[0003] The processing efficiency of existing metal adapter sheet punching dies needs improvement. For example, Chinese Patent No. CN221537832U describes a punching die for processing perforated metal adapter sheets, which is currently under development and production by our company. This patented product uses a small-hole punching mechanism and a large-hole punching mechanism. In use, the small-hole punching mechanism first punches small holes in the metal strip to be processed in the material channel groove, and then the large-hole punching mechanism punches off the metal adapter sheet with small holes. During the small-hole punching, the cylinder drives the punching movable seat to move upward as a whole, which in turn drives the stripping component and the punch. Moving upwards, the stripping assembly first presses the strip against the bottom of the blade plate for fixation. Then, the punch continues to move upwards, punching small holes in the strip. The second punching seat is driven by the second cylinder to move, and the second punching seat drives the second punch to cut off the metal adapter piece. Although this patented product does effectively improve production efficiency, the production efficiency still does not reach the expected effect in actual application. Therefore, the punching structure of this patented product is improved to improve production efficiency. Thus, a punching die for processing perforated metal adapter strip is provided here. Summary of the Invention

[0004] One objective of this invention is to provide a punching die for processing perforated metal adapter strips, thereby solving the technical problem that the cumbersome process in the existing punching structure leads to the production efficiency not meeting expectations.

[0005] The technical solution of this utility model is as follows: a punching die for processing perforated metal adapter strip includes a base, an upper die and a lower die are mounted on the base, and support frames for supporting the upper die are provided at both ends of the lower die.

[0006] The upper mold includes an upper pressure plate, on which a drive unit is mounted. The connecting end of the drive unit is fixedly connected to a punching mechanism. The punching mechanism includes several large hole punching structural components arranged in the upper pressure plate and distributed laterally from left to right for punching large holes in the strip. Several small hole punching structural components are arranged on both sides of the large hole punching structural components for punching small holes in the strip.

[0007] The lower die includes a base plate, in which material strip grooves are arranged horizontally from left to right. The base plate also includes a lower template that allows large-hole punching structural parts and small-hole punching structural parts to pass through. The punching mechanism is driven by a drive unit, so that the large-hole punching structural parts and small-hole punching structural parts in the punching mechanism pass through the lower template to complete the punching of the material strip.

[0008] Furthermore, a material belt is installed in the material belt groove, and a material belt pressure plate is also provided on the material belt groove to prevent the material belt from bouncing out of the material belt groove.

[0009] Furthermore, the strip pressure plate is also provided with two pressure rollers for limiting the up-and-down movement of the strip during punching, and the pressure rollers are installed at both ends of the strip pressure plate.

[0010] Furthermore, the lower template is located below the strip and is fixedly connected to the base plate. The lower template is provided with a number of punches corresponding to the large-hole punching structure and the small-hole punching structure.

[0011] Furthermore, a lower pressure plate is provided below the upper pressure plate, and the lower pressure plate is provided with clearance holes through which large-hole punching structural parts and small-hole punching structural parts can pass.

[0012] Furthermore, springs are provided around the top of the lower pressure plate, with one end of the spring connected to the bottom of the upper pressure plate and the other end connected to the top of the lower pressure plate. A groove is also provided at the bottom of the lower pressure plate, and a protrusion is provided in the groove.

[0013] Furthermore, the large-hole punching structure is an annular ejector pin.

[0014] Furthermore, the small hole punching structure is a conical punch.

[0015] Furthermore, the conical punch is longer than the annular punch. When the small hole punching structure passes through both ends of the strip until the groove at the bottom of the lower pressure plate is in contact with the top of the strip pressure plate and the protrusion in the groove is in contact with the upper surface of the strip, the subsequent applied punching force causes the large hole punching structure to pass through the middle of the strip and complete the punching.

[0016] Compared with the prior art, this utility model has the following advantages:

[0017] 1. By setting annular and conical punches in the upper pressure plate, the punching action can be completed in one punching, reducing the punching process, saving time, and improving production efficiency.

[0018] 2. Pressure rollers are installed at both ends of the strip pressure plate to prevent the strip from being driven by the return of the punch after the punching action is completed. This makes the punching position more accurate and reduces the need for manual intervention due to strip detachment, thus improving production efficiency. Attached Figure Description

[0019] Figure 1 This is a three-dimensional schematic diagram of the overall structure provided by this utility model;

[0020] Figure 2 This is an exploded view of the overall structure provided by this utility model;

[0021] Figure 3 This is a schematic diagram of the reverse angle of the punching mechanism structure provided by this utility model;

[0022] Figure 4 This is a schematic diagram of the lower mold structure provided by this utility model;

[0023] Figure 5 yes Figure 4 A magnified structural diagram of A in the middle;

[0024] Figure 6 This is a cross-sectional structural diagram of the punching structure and lower die assembly provided by this utility model. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0026] like Figure 1 As shown, this embodiment provides: a punching die for processing perforated metal adapter strip, including a base 1, an upper die 2 and a lower die 3 mounted on the base 1, and support frames 4 for supporting the upper die 2 provided at both ends of the lower die 3;

[0027] like Figures 2 to 6 As shown, the upper mold 2 includes an upper pressure plate 21, on which a drive unit 22 is mounted. A punching mechanism 23 is connected below the upper pressure plate 21. The punching mechanism 23 includes several large hole punching structures 232 arranged in the upper pressure plate 21 and distributed laterally from left to right for punching large holes 51 in the strip 5. Several small hole punching structures 234 are arranged on both sides of the large hole punching structures 232 for punching small holes 52 in the strip 5. The drive unit 22 is a cylinder, the large hole punching structure 232 is an annular punch, and the small hole punching structure 234 is a conical punch. By setting the annular punch and the conical punch in the upper pressure plate 21, when the cylinder pushes the upper pressure plate 21 to move in the direction of the strip 5, the annular punch and the conical punch can be driven to move in the direction of the strip 5.

[0028] The lower mold 3 includes a base plate 31, in which material strip grooves 311 are arranged horizontally from left to right. The base plate 31 also includes a lower template 32 that allows annular punches and conical punches to pass through. A punching mechanism 23 is driven by a cylinder, so that the annular punches and conical punches in the punching mechanism 23 pass through the large hole 51 and the small hole 52 in the material strip 5, respectively, until the annular punches and conical punches pass through the lower template 32, thus completing the punching process.

[0029] Furthermore, a material belt 5 is installed in the material belt groove 311, and a material belt pressure plate 312 is also provided on the material belt groove 311 to limit the material belt 5 from jumping out of the material belt groove 311.

[0030] Furthermore, the strip pressure plate 312 is also provided with two pressure rollers 6 for limiting the vertical movement of the strip 5 during punching. The pressure rollers 6 are installed at both ends of the strip pressure plate 312. By setting two pressure rollers 6 on the strip pressure plate 312, the excessive jumping amplitude of the strip 5 during punching is prevented, which would cause the strip 5 to pop out of the strip groove 311, thereby reducing manual intervention and increasing production efficiency.

[0031] Furthermore, a lower pressure plate 24 is provided below the upper pressure plate 21, and the lower pressure plate 24 is provided with a clearance hole through which the annular punch and the conical punch can pass.

[0032] Furthermore, springs 241 are respectively provided around the top of the lower pressure plate 24. One end of the spring 241 is connected to the bottom of the upper pressure plate 21, and the other end is connected to the top of the lower pressure plate 24. The bottom of the lower pressure plate 24 is also provided with a groove 242, and a protrusion 2420 is provided in the groove 242. The conical punch is longer than the annular punch. When the conical punch passes through the small holes 52 at both ends of the material strip 5, the groove 242 at the bottom of the lower pressure plate 24 is in contact with the top of the material strip pressure plate 312, and the protrusion 2420 in the groove 242 is in contact with the upper surface of the material strip 5. The subsequent applied punching force causes the annular punch to pass through the large hole 51 in the middle of the material strip 5, completing the punching.

[0033] Working principle: The strip 5 enters from one end of the strip groove 311, then passes through the first pressure roller 6 and moves to the bottom of the punching mechanism 23. The punching mechanism 23 in the upper mold 2 is then driven by a cylinder to move towards the lower mold 3. Since the tops of the annular punch and the conical punch are respectively installed in the upper pressure plate 21, the upper pressure plate 21 drives the annular punch and the conical punch to move towards the strip 5. During this movement, the conical punch passes through the strip 5 first, punching small holes 52 on both sides of the strip 5. Then, the groove 242 at the bottom of the lower pressure plate 24 fits against the top of the strip pressure plate 312. At the same time, the protrusions 2 in the groove 242... 420 Press the upper surface of the material strip 5, and then the cylinder continues to apply pressure. Since the lower pressure plate 24 is already in contact with the material strip pressure plate 312, it cannot move further. Therefore, the annular punch protrudes from the bottom of the lower pressure plate 24 and punches into the large hole 51 in the material strip, punching out a large diameter hole. At this time, the spring 241 between the lower pressure plate 24 and the upper pressure plate 21 plays a buffering role to prevent the upper pressure plate 21 from directly contacting the lower pressure plate 24 and causing damage. At this point, the punching is completed. Then the cylinder drives the upper pressure plate 21 to reset, so that the annular punch and the conical punch are pulled out of the material strip respectively. Then the material strip 5 moves along the material strip groove 311 towards the other pressure roller 6 until it exits from the other end of the material strip groove 311.

[0034] The above embodiments are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited thereto. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of the present utility model are equivalent substitutions and are included within the protection scope of the present utility model.

Claims

1. A punching die for processing perforated metal adapter strips, comprising a base (1), an upper die (2) and a lower die (3) mounted on the base (1), wherein support frames (4) for supporting the upper die (2) are provided at both ends of the lower die (3), characterized in that... ； The upper mold (2) includes an upper pressure plate (21), on which a drive unit (22) is installed. The connecting end of the drive unit (22) is fixedly connected to a punching mechanism (23). The punching mechanism (23) includes several large hole punching structural parts (232) arranged in the upper pressure plate (21) and distributed laterally from left to right for punching large holes (51) in the strip (5). Several small hole punching structural parts (234) for punching small holes (52) in the strip (5) are arranged on both sides of the large hole punching structural parts (232). The lower mold (3) includes a base plate (31), in which a strip groove (311) is provided from left to right. The base plate (31) is provided with a lower template (32) that allows the large hole punching structure (232) and the small hole punching structure (234) to pass through. The punching mechanism (23) is driven by the driving unit (22) so that the large hole punching structure (232) and the small hole punching structure (234) in the punching mechanism (23) pass through the lower template (32) to complete the punching of the strip (5).

2. A punching die for processing perforated metal adapter strips according to claim 1, characterized in that: The material belt (5) is installed in the material belt groove (311), and a material belt pressure plate (312) is also provided on the material belt groove (311) to limit the material belt (5) from jumping out of the material belt groove (311).

3. A punching die for processing perforated metal adapter strips according to claim 2, characterized in that: The strip pressure plate (312) is also provided with two pressure rollers (6) for limiting the up-and-down movement of the strip (5) during punching. The pressure rollers (6) are installed at both ends of the strip pressure plate (312).

4. A punching die for processing perforated metal adapter strips according to claim 3, characterized in that: The lower template (32) is located below the strip (5) and is fixedly connected to the base plate (31). The lower template (32) is provided with a number of punches corresponding to the large hole punching structure (232) and the small hole punching structure (234).

5. A punching die for processing perforated metal adapter strips according to claim 1, characterized in that: The upper pressure plate (21) is further provided with a lower pressure plate (24) that is elastically connected. The lower pressure plate (24) is provided with a clearance hole through which the large hole punching structure (232) and the small hole punching structure (234) can pass.

6. A punching die for processing perforated metal adapter strips according to claim 5, characterized in that: Springs (241) are provided around the top of the lower pressure plate (24). One end of the spring (241) is connected to the bottom of the upper pressure plate (21), and the other end is connected to the top of the lower pressure plate (24). A groove (242) is also provided at the bottom of the lower pressure plate (24), and a protrusion (2420) is provided in the groove (242).

7. A punching die for processing perforated metal adapter strips according to claim 1, characterized in that: The large-hole punching structure (232) is an annular punch.

8. A punching die for processing perforated metal adapter strips according to claim 1, characterized in that: The small hole punching structure (234) is a conical punch.

9. A punching die for processing perforated metal adapter strips according to claims 7 and 8, characterized in that: The conical punch is longer than the annular punch. When the small hole punching structure (234) passes through both ends of the strip (5) until the groove (242) at the bottom of the lower pressure plate (24) is in contact with the top of the strip pressure plate (312) and the protrusion (2420) in the groove (242) is in contact with the upper surface of the strip (5), the subsequent punching force causes the large hole punching structure (232) to pass through the middle of the strip (5) and complete the punching.

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