CN220406883U

CN220406883U - Copper sheet stamping die with adsorption function for brazing plate type heat exchanger

Info

Publication number: CN220406883U
Application number: CN202322080679.7U
Authority: CN
Inventors: 冷秋江
Original assignee: Boulder Nantong Automotive Parts Co ltd
Current assignee: Boulder Nantong Automotive Parts Co ltd
Priority date: 2023-08-04
Filing date: 2023-08-04
Publication date: 2024-01-30
Anticipated expiration: 2033-08-04

Abstract

The utility model discloses a copper sheet stamping die with an adsorption function for a brazing sheet type heat exchanger, wherein a plurality of lower templates are arranged on the upper surface of a lower die holder, a plurality of upper dies are arranged on the lower surface of an upper die holder, a front end groove is formed in the front surface of the lower die holder, a through hole is formed in the upper end of the front end groove of the lower die holder, an adsorption head is arranged in the through hole of the lower die holder and comprises a ring body and a tube body, one end of the ring body is provided with the tube body, the tube body penetrates through the through hole in the upper end of the front end groove, the ring body is fixed on the upper surface of the lower die holder through a bolt, and the bottom of the tube body is positioned in the front end groove and connected with a gas pipe interface.

Description

Copper sheet stamping die with adsorption function for brazing plate type heat exchanger

Technical Field

The utility model relates to the technical field of copper sheet stamping dies, in particular to a copper sheet stamping die with an adsorption function for a brazing sheet type heat exchanger.

Background

The brazing sheet type heat exchanger is a novel efficient heat exchanger which is formed by stacking a series of metal sheets with certain corrugated shapes and performing brazing processing. Thin rectangular channels are formed between the various plates through which heat is exchanged. Compared with the conventional shell-and-tube heat exchanger, the heat transfer coefficient of the heat exchanger is much higher under the condition of the same flow resistance and pump power consumption, and the heat exchanger has a trend of replacing the shell-and-tube heat exchanger in a suitable range, wherein the copper sheet is the main material of the metal sheet.

At present, a copper strip is generally manufactured by adopting a stamping die, a copper strip coiled material is stamped by the stamping die to manufacture a corresponding copper strip, the copper strip directly enters a stamping area of the die by the existing copper strip stamping die, after an upper die holder is pressed down and stamping is completed, the copper strip entering the die is lifted by air flow easily in the process, so that the copper strip is offset, if the offset angle is overlarge, the product forming is affected, the defective rate is improved, and therefore, an improved technology is needed to solve the problem in the prior art.

Disclosure of Invention

The utility model aims to provide a copper sheet stamping die with an adsorption function for a brazing sheet type heat exchanger, wherein an adsorption head is arranged at a feeding end of an upper die holder, after stamping is finished, copper strips which are about to enter a stamping area can be adsorbed through the adsorption head, and the copper strips are prevented from being carried up due to air flow when the upper die holder is reset and ascends, so that the copper strips can be ensured to enter the stamping area accurately, the probability of occurrence of defective products is further reduced, and the problems in the background art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a brazing sheet type heat exchanger copper sheet stamping die with adsorption function, includes die holder, upper die base, lower bolster, go up the moulding-die, adsorbs head and trachea interface, the upper surface of die holder is provided with a plurality of lower bolster, the lower surface of upper die base is provided with a plurality of upper dies, go up moulding-die and lower bolster one-to-one and mutually support, the die cavity has been seted up to the lower bolster, the front end recess has been seted up to the front surface of die holder, the through-hole has been seted up to the upper end that the die holder is located the front end recess, the position one-to-one of through-hole and the position of lower bolster, install the adsorption head in the through-hole of die holder, the adsorption head includes ring body and body, ring body one end is provided with the body, the body wears to locate the through-hole of front end recess upper end, the ring body passes through the bolt fastening in the upper surface of die holder, the body bottom is located the front end recess and links to each other with the trachea interface.

Preferably, the copper sheet stamping die with the adsorption function for the brazing sheet type heat exchanger provided by the utility model has the advantages that the air pipe connector adopts the 90-degree elbow joint, and one end of the air pipe connector is mutually spliced at the bottom of the pipe body of the adsorption head.

Preferably, the copper sheet stamping die with the adsorption function for the brazing sheet type heat exchanger is provided, wherein a male die is arranged on the lower surface of the upper pressing die and is matched with a die groove formed in the lower die plate.

Preferably, the copper sheet stamping die with the adsorption function for the brazing sheet type heat exchanger is provided, wherein buffer pads are arranged at four corners of the upper surface of the lower die holder, round tables are arranged at four corners of the lower surface of the upper die holder, and the buffer pads are in one-to-one correspondence with the round tables and are matched with each other.

Preferably, the copper sheet stamping die with the adsorption function for the brazing sheet type heat exchanger is characterized in that side grooves are formed in two sides of a lower die base, bosses are arranged on two sides of the lower surface of an upper die base, guide rods are arranged in the side grooves on two sides of the lower die base, guide sleeves are arranged on the bosses on two sides of the upper die base, and the guide rods are in sliding fit with the guide sleeves.

Compared with the prior art, the utility model has the beneficial effects that:

the upper die holder is provided with an adsorption head at the feeding end, and after stamping is finished, the copper strips which are about to enter the stamping area can be adsorbed by the adsorption head, so that the copper strips are prevented from being carried up due to air flow when the upper die holder is reset and ascends, the copper strips can be ensured to accurately enter the stamping area, and the probability of occurrence of defective products is further reduced; the suction head is arranged on the lower die holder through the ring body and the bolts, and the air pipe interface is spliced with the bottom of the pipe body of the suction head, so that the suction head and the air pipe interface are convenient to mount and dismount.

Drawings

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

FIG. 2 is a schematic view of a lower die holder;

FIG. 3 is a schematic view of an upper die holder;

FIG. 4 is a schematic structural view of the adsorption head;

FIG. 5 is a schematic representation of the present utility model as it is fed.

In the figure: the die comprises a lower die holder 1, an upper die holder 2, a lower die plate 3, an upper die 4, an adsorption head 5, an air pipe joint 6, a die cavity 7, a front end groove 8, a male die 9, a buffer pad 10, a round table 11, a side groove 12, a boss 13, a guide rod 14, a guide sleeve 15, a ring body 501 and a pipe body 502.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, based on the embodiments of the utility model, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the utility model;

it should be noted that, in the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", "lower", "both sides", "one end", "the other end", "left", "right", etc. are directions or positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a brazing sheet type heat exchanger copper sheet stamping die with adsorption function, including die holder 1, die holder 2, lower bolster 3, go up moulding-die 4, adsorption head 5 and air pipe interface 6, the upper surface of die holder 1 is provided with a plurality of lower bolster 3, the lower surface of die holder 2 is provided with a plurality of go up moulding-dies 4, go up moulding-die 4 and lower bolster 3 one by one and mutually support, die slot 7 has been seted up to lower bolster 3, the lower surface of go up moulding-die 4 is provided with terrace die 9, terrace die 9 cooperatees with die slot 7 that lower bolster 3 opened, through terrace die 9 cooperatees with die slot 7, can realize the punching press of copper sheet, the front end recess 8 has been seted up to the positive surface of die holder 1, the through-hole has been seted up to the upper end of die holder 1 in front end recess 8, the position of through-hole corresponds with the position of lower bolster 3 one by one, adsorption head 5 is installed in the through-hole of die holder 1, adsorption head 5 includes ring body 501 and body 502, ring body 501 one end is provided with pipe body 502 wears to locate the through-hole of front end recess 8, ring body 501 is fixed in the upper surface of die holder 1 through the bolt, upper surface of die holder 9 and pipe body 502 is located in the upper surface of lower die holder 1, pipe body 502 bottom 1 and air pipe body 6 and air pipe interface 6 are connected with each other by 90 DEG, air pipe interface 6 is adopted in the pipe interface 6;

the four corners of the upper surface of the lower die holder 1 are provided with the buffer pads 10, the four corners of the lower surface of the upper die holder 2 are provided with the round tables 11, the buffer pads 10 are in one-to-one correspondence with the round tables 11 and are matched with each other, the buffer performance of the upper die holder 2 during pressing down is improved through the buffer pads 10, the upper die holder 2 or the lower die holder 1 is prevented from being damaged due to direct collision, the two sides of the lower die holder 1 are provided with side grooves 12, the two sides of the lower surface of the upper die holder 2 are provided with the bosses 13, the two sides of the lower die holder 1 are internally provided with the guide rods 14, the bosses 13 on the two sides of the upper die holder 2 are provided with the guide sleeves 15, the guide rods 14 are in sliding fit with the guide sleeves 15, and the guide rods 14 are matched with the guide sleeves 15 through the matching of the guide rods 14, so that good guidance quality is ensured, and the male die 9 and the die grooves 7 are mutually matched.

The assembly method and the use principle are as follows: the lower die plate 3 is arranged at a corresponding position on the upper surface of the lower die holder 1 through bolts, the upper die 4 is arranged at a corresponding position on the lower surface of the upper die holder 2 through bolts, and at the moment, the male die 9 at the bottom of the upper die 4 and the die groove 7 of the lower die plate 3 correspond to each other. Then, the pipe body 502 of the adsorption head 5 is inserted into the through hole of the lower die holder 1 and is fixed through the cooperation of the bolts and the ring body 501, and finally one end of the air pipe interface 6 is mutually inserted with the bottom of the pipe body 502 of the adsorption head 5, so that the assembly is completed. Before use, the lower die holder 1 is fixed on a workbench, the upper die holder 2 is connected with a press head of a press, one end of an air pipe is connected with the air pipe interface 6, and the other end of the air pipe is connected with an air pump. When the copper strip is used, the copper strip passes through the lower die plate 3, is pressed to obtain a copper strip matched with a heat exchanger plate body through matching with the die groove 7 of the lower die plate 3 and the male die 9 of the upper die 4, and the adsorption head 5 is used for exhausting air in the stamping process, so that the copper strip is adsorbed on the adsorption head 5 and cannot be carried up by air flow when the upper die holder 2 ascends, as shown in fig. 5. After the stamping is finished, the suction pump stops sucking, and the copper strip advances and is adsorbed before being stamped, and the cycle is performed. The copper strip stamping device is reasonable in structure, the upper die holder 2 is provided with the adsorption head 5 at the feeding end, after stamping is finished, the copper strip which is about to enter the stamping area can be adsorbed through the adsorption head 5, the copper strip is prevented from being carried up due to air flow when the upper die holder 2 is reset and ascends, and therefore the copper strip can be ensured to enter the stamping area accurately, and the probability of occurrence of defective products is further reduced; the adsorption head 5 is arranged on the lower die holder 1 through the ring body 501 and bolts, and the air pipe interface 6 is spliced with the bottom of the pipe body 502 of the adsorption head 5, so that the adsorption head 5 and the air pipe interface 6 are convenient to mount and dismount.

The present utility model is not described in detail in the present application, and is well known to those skilled in the art.

Finally, what is to be described is: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the examples, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. Copper sheet stamping die with adsorption function for brazing sheet type heat exchanger, and is characterized in that: including die holder (1), upper die base (2), lower bolster (3), cope match-plate pattern (4), absorption head (5) and trachea interface (6), the upper surface of die holder (1) is provided with a plurality of lower bolster (3), the lower surface of upper die base (2) is provided with a plurality of cope match-plates (4), cope match-plate pattern (4) and lower bolster (3) one-to-one and mutually support, die cavity (7) have been seted up to lower bolster (3), front end recess (8) have been seted up on the positive surface of die holder (1), the through-hole has been seted up to the upper end that die holder (1) are located front end recess (8), the position one-to-one of through-hole and lower bolster (3) is installed in the through-hole of die holder (1), absorption head (5) are including ring body (501) and body (502), ring body (502) one end is provided with body (502), the through-hole of front end recess (8) upper end recess (8) has been seted up to die holder (1), through-up surface (501) are located in front end recess (6) and the trachea interface links to each other.

2. The brazing sheet type heat exchanger copper sheet stamping die with the adsorption function according to claim 1, wherein the brazing sheet type heat exchanger copper sheet stamping die is characterized in that: the air pipe connector (6) adopts a 90-degree elbow joint, and one end of the air pipe connector (6) is mutually spliced at the bottom of the pipe body (502) of the adsorption head (5).

3. The brazing sheet type heat exchanger copper sheet stamping die with the adsorption function according to claim 1, wherein the brazing sheet type heat exchanger copper sheet stamping die is characterized in that: the lower surface of the upper pressing die (4) is provided with a male die (9), and the male die (9) is matched with a die groove (7) formed in the lower die plate (3).

4. The brazing sheet type heat exchanger copper sheet stamping die with the adsorption function according to claim 1, wherein the brazing sheet type heat exchanger copper sheet stamping die is characterized in that: four corners of the upper surface of the lower die holder (1) are provided with cushion pads (10), four corners of the lower surface of the upper die holder (2) are provided with round tables (11), and the cushion pads (10) are in one-to-one correspondence with the round tables (11) and are matched with each other.

5. The brazing sheet type heat exchanger copper sheet stamping die with the adsorption function according to claim 1, wherein the brazing sheet type heat exchanger copper sheet stamping die is characterized in that: the die comprises a die holder (1), wherein side grooves (12) are formed in two sides of the die holder (1), bosses (13) are formed in two sides of the lower surface of the upper die holder (2), guide rods (14) are arranged in the side grooves (12) in two sides of the die holder (1), guide sleeves (15) are arranged on the bosses (13) in two sides of the upper die holder (2), and the guide rods (14) are in sliding fit with the guide sleeves (15).