CN211866368U

CN211866368U - Punching and flanging die

Info

Publication number: CN211866368U
Application number: CN201922501381.2U
Authority: CN
Inventors: 丁旭春; 王一品
Original assignee: Zhejiang Xinlong Industry Co ltd
Current assignee: Zhejiang Xinlong Industry Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-06
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a flanging die punches a hole, including last mould, lower mould, go up the mould and include die carrier, cope match-plate pattern, epirelief mould, go up the die carrier lower extreme bolt and install the cope match-plate pattern mount pad, the cope match-plate pattern bolt fastening is in cope match-plate pattern mount pad below, and a plurality of epirelief mould equipartitions are connected in the cope match-plate pattern below, and the lower mould includes die carrier, lower die, and lower die bolt fastening is on die carrier central point puts down, and lower die and epirelief mould phase-match still install punching press buffering subassembly on the die carrier down, the utility model discloses simple structure adopts stamping die to punching press and the turn-ups shaping in turn-ups hole, has promoted the machining efficiency of product, and the size in turn-ups hole is unanimous.

Description

Punching and flanging die

Technical Field

The utility model belongs to the technical field of refrigeration plant spare part mold processing technique and specifically relates to a turn-ups mould punches a hole.

Background

The red copper distributor is a common part in refrigeration equipment, a plurality of flanged through holes are formed in the flat end face of the red copper distributor, the flanged through holes are used for connecting a refrigeration copper pipe, the contact surface is larger when the flanged pipe is welded and connected with the copper pipe, welding is more reliable, during factory production, the machining process of flanging machining after punching holes is adopted frequently, and operation of two procedures is realized, so that the machining efficiency is general, and the two procedures need repeated positioning, due to positioning deviation, the flanged holes are different in size easily, and the production quality of the red copper distributor is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a turn-ups mould punches a hole.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a flanging die punches a hole, includes mould, lower mould, it includes die carrier, cope match-plate pattern, epirelief mould to go up the mould, the cope match-plate pattern mount pad is installed to cope match-plate pattern lower extreme bolt, the cope match-plate pattern bolt fastening is in cope match-plate pattern mount pad below, it is a plurality of epirelief mould equipartition is connected in the cope match-plate pattern below, the lower mould includes die carrier, lower die, die bolt fastening is on die carrier central point puts down, die and epirelief mould phase-match down, still install punching press buffering subassembly on the die carrier down.

And a die handle is fixed at the upper end of the upper die frame through a bolt.

And top pressing blocks are fixedly arranged on two sides of the lower end of the upper die frame.

The lower female die is provided with a workpiece fixing groove, the central position of the bottom of the workpiece fixing groove is provided with a sealing convex hole fixing groove, the bottom of the workpiece fixing groove is also provided with a plurality of male die jacks, and the male die jacks correspond to the upper male die in position.

The male die jack is a through hole, and the diameter of the male die jack is slightly larger than that of the upper male die.

The stamping buffer assembly comprises a motion guide rod, a stamping baffle and a buffer spring, wherein the motion guide rod is uniformly distributed on the periphery of a lower die, the motion guide rod is vertically fixed on a lower die frame, the upper end of the motion guide rod is provided with a threaded end, the stamping baffle is slidably inserted on the motion guide rod, a locking nut is installed on the threaded end of the motion guide rod in a threaded mode and is limited as the stamping baffle to move upwards, the central position of the stamping baffle is provided with an upper male die guide hole, the diameter of the upper male die guide hole is corresponding to that of an upper die mounting seat, the buffer spring is sleeved outside the motion guide rod, and the buffer spring is arranged between the stamping baffle and the lower die frame.

The utility model has the advantages that: the utility model discloses simple structure adopts stamping die to once punching press and the turn-ups shaping in turn-ups hole, has promoted the machining efficiency of product, and the size in turn-ups hole is unanimous, has guaranteed that the production quality of red copper distributor is stable.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a schematic structural diagram of the red copper distributor after the processing is completed.

In the figure: the stamping die comprises an upper die 1, an upper die frame 11, a jacking block 111, an upper die plate mounting seat 12, an upper die plate 13, an upper male die 14, a die shank 15, a lower die 2, a lower die frame 21, a lower female die 22, a workpiece fixing groove 221, a sealing convex hole fixing groove 222, a male die inserting hole 223, a stamping buffer assembly 23, a movement guide rod 231, a threaded end 2311, a locking nut 2312, a stamping baffle 232, an upper male die guide hole 2321, a buffer spring 233, a red copper distributor workpiece 3 and a flanging hole 31.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, wherein the descriptions of "left", "right", etc. in the present invention all refer to fig. 1 as the reference direction:

evenly distributed flanging holes 31 are arranged below the red copper distributor workpiece 3.

As shown in fig. 1-2, a punching and flanging die comprises an upper die 1 and a lower die 2, wherein the upper die 1 comprises an upper die frame 11, an upper die plate 13 and upper male dies 14, an upper die plate mounting seat 12 is mounted on a lower end bolt of the upper die frame 11, the upper die plate 13 is fixed below the upper die plate mounting seat 12 through a bolt, the upper male dies 14 are uniformly distributed and connected below the upper die plate 13, the upper die plate 13 and the upper die plate mounting seat 12 are connected through a bolt, the upper male dies 14 are convenient to disassemble and replace, the lower die 2 comprises a lower die frame 21 and lower female dies 22, the lower female dies 22 are fixed in the central positions of the lower die frame 21 through bolts, the lower female dies 22 are matched with the upper male dies 14, a punching buffer assembly 23 is further mounted on the lower die frame 21, the punching buffer assembly 23 plays a role in buffering punching.

And a die handle 15 is fixed at the upper end of the upper die frame 11 through a bolt, so that the upper die 1 can be fixedly arranged on a machine head of the stamping equipment.

And two sides of the lower end of the upper die frame 11 are fixedly provided with jacking blocks 111, and the jacking blocks 111 are jacked on the stamping buffer assembly 23, so that the stamping of the upper die 1 is buffered.

The lower female die 22 is provided with a workpiece fixing groove 221, the central position of the bottom of the workpiece fixing groove 221 is provided with a sealing convex hole fixing groove 222, the workpiece fixing groove 221 and the sealing convex hole fixing groove 222 are matched with the appearance of the red copper distributor workpiece 3, the red copper distributor workpiece 3 can be stably fixed in the lower female die 22, the bottom of the workpiece fixing groove 221 is further provided with a plurality of male die inserting holes 223, and the male die inserting holes 223 correspond to the upper male die 14 in position.

The punch insert hole 223 is a through hole, and the diameter of the punch insert hole 223 is slightly larger than that of the upper punch 14, so that the upper punch 14 extrudes the punching hole after punching the bottom of the red copper distributor workpiece 3, and the flanging of the punching hole is formed at one step.

The stamping buffer assembly 23 comprises a motion guide rod 231, a stamping baffle 232 and a buffer spring 233, wherein a plurality of motion guide rods 231 are uniformly distributed around the lower female die 22, the motion guide rods 231 are vertically fixed on the lower die frame 21, the upper end of the motion guide rod 231 is provided with a threaded end 2311, the stamping baffle 232 is inserted on the motion guide rod 231 in a sliding manner, the threaded end 2311 of the motion guide rod 231 is provided with a locking nut 2312 in a threaded manner to be used as the upper motion limit of the stamping baffle 232, the central position of the stamping baffle 232 is provided with an upper male die guide hole 2321, the diameter of the upper male die guide hole 2321 corresponds to the diameter of the upper die mounting seat 12, so that when the upper die 1 is pressed downwards, the upper male die 14 can be accurately inserted into the lower female die 22, the buffer spring 233 is sleeved outside the motion guide rods 231, the buffer spring 233 is arranged between the stamping baffle 232 and the lower die frame 21, the lower end of the buffer 233 is fixed, when punching, the upper die 1 is pressed downwards, the jacking block 111 jacks the punching baffle 232 downwards to compress the buffer spring 233, so that the punching pressure is buffered, the stability of the punching effect is ensured, the workpiece is prevented from being damaged by overlarge punching force and violence, and the buffer spring 233 resets when the upper die 1 is retracted.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a turn-ups mould punches a hole, includes mould (1), lower mould (2), its characterized in that: go up mould (1) including die carrier (11), cope match-plate pattern (13), go up convex mould (14), go up die carrier (11) lower extreme bolt and install cope match-plate pattern mount pad (12), cope match-plate pattern (13) bolt fastening is in cope match-plate pattern mount pad (12) below, a plurality of go up convex mould (14) equipartition and connect in cope match-plate pattern (13) below, lower mould (2) are including die carrier (21), lower die (22), die carrier (21) central point down is fixed in die carrier (22) bolt fastening down, die carrier (22) and last convex mould (14) phase-match down, still install punching press buffering subassembly (23) on die carrier (21) down.

2. The punching and flanging die of claim 1, wherein: and a die handle (15) is fixed at the upper end of the upper die frame (11) through a bolt.

3. The punching and flanging die of claim 1, wherein: and top pressing blocks (111) are fixedly arranged on two sides of the lower end of the upper die frame (11).

4. The punching and flanging die of claim 1, wherein: the lower female die (22) is provided with a workpiece fixing groove (221), the central position of the bottom of the workpiece fixing groove (221) is provided with a sealing convex hole fixing groove (222), the bottom of the workpiece fixing groove (221) is further provided with a plurality of male die inserting holes (223), and the positions of the male die inserting holes (223) correspond to those of the upper male die (14).

5. The punching and flanging die of claim 4, wherein: the male die inserting hole (223) is a through hole, and the diameter of the male die inserting hole (223) is slightly larger than that of the upper male die (14).

6. The punching and flanging die of claim 1, wherein: the stamping buffer assembly (23) comprises a plurality of motion guide rods (231), a stamping baffle (232) and a buffer spring (233), the motion guide rods (231) are uniformly distributed around the lower female die (22), the motion guide rod (231) is vertically fixed on the lower die carrier (21), the upper end of the motion guide rod (231) is provided with a threaded end (2311), the stamping baffle (232) is inserted on the motion guide rod (231) in a sliding way, a locking nut (2312) is installed on the thread end (2311) of the motion guide rod (231) in a threaded way to be used as the upper motion limit of the stamping baffle (232), an upper male die guide hole (2321) is arranged at the central position of the stamping baffle (232), the diameter of the upper punch guide hole (2321) corresponds to the diameter of the upper die plate mounting seat (12), the buffer spring (233) is sleeved outside the motion guide rod (231), and the buffer spring (233) is arranged between the stamping baffle plate (232) and the lower die frame (21).