CN215879503U

CN215879503U - Punching and sprouting die for tray of refrigerator compressor

Info

Publication number: CN215879503U
Application number: CN202122230228.8U
Authority: CN
Inventors: 刘望; 高铭杰; 沈光虎
Original assignee: Hangzhou Longma Hardware Tools Co ltd
Current assignee: Hangzhou Longma Hardware Tools Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-02-22
Anticipated expiration: 2031-09-15

Abstract

The utility model relates to a punching and sprouting mould for a tray of a refrigerator compressor, which comprises an upper mould and a lower mould, wherein the upper mould comprises an upper mould base, an upper base plate fixed on the upper mould base, an upper clamping plate, a stop plate and a stripper plate, wherein the stop plate and the stripper plate are in floating connection with the upper mould base; the upper backing plate is provided with an air groove, the axis position of the punching die head is provided with an air hole with two through ends, and the air groove is communicated with the air hole. The punching die head punches a hole on a plate, the sprouting die head digs the hole on the plate, the punching and hole flanging processes are combined on a pair of dies, and the punching and hole flanging processes are completed by one-time punching, so that the time is saved, and the punching efficiency is improved; the air groove is communicated with the air hole and is connected with compressed air, flying cutting of the magnetic suction at the end part of the punching die head can be removed by the compressed air in a blowing mode, and punching precision is guaranteed.

Description

Punching and sprouting die for tray of refrigerator compressor

Technical Field

The utility model relates to a refrigerator part stamping die, in particular to a punching and sprouting die for a refrigerator compressor tray.

Background

The refrigerator compresses and refrigerates through the compressor, the compressor has a very large effect, and the compressor is always in a working state in the refrigerating process, so that the stability of the compressor is important.

The compressor is generally arranged at the lower part of the refrigerator and is supported by the compressor tray, and the compressor tray has enough strength in order to ensure the support stability of the compressor, so that the common means is to process a folded edge structure on the compressor tray, and the compressor tray has enough strength by utilizing the support strength of the folded edge.

The compressor tray is generally a stamping part, the stamping work of the compressor tray is completed, a plurality of processes are needed, blanking forming, punching, hole flanging and tapping are carried out, the conventional stamping work is carried out by a single process, the operation is troublesome, and the efficiency is low. Therefore, a die is needed to complete multiple processes at one time, save time and improve stamping efficiency.

The compressor tray has multiple specifications according to the shape and size of the compressor, and conventional stamping is that one set of mould corresponds to a specification, so that the number of moulds is increased, and the corresponding mould needs to be replaced when a product is converted every time, so that the operation is troublesome.

Disclosure of Invention

The utility model provides a punching and sprouting mould for a refrigerator compressor tray, which combines the procedures of punching and hole flanging on a pair of moulds, completes the procedures of punching and hole flanging by one-time punching, saves time, improves the punching efficiency, and simultaneously, a plurality of storage positions are arranged on the mould, and the corresponding storage positions are selected according to the shape and the size of a product for punching and installing, so that only the punching and the mould need to be replaced without integrally replacing the mould, thereby reducing the cost in operation.

The specific technical scheme of the utility model is as follows: a punching and sprouting mould for a refrigerator compressor tray comprises an upper mould and a lower mould, wherein the upper mould comprises an upper mould base, an upper base plate fixed on the upper mould base, an upper clamping plate fixed on the upper base plate, a stop plate and a stripping plate which are in floating connection with the upper mould base, the stop plate and the stripping plate are fixed together, the lower mould comprises a lower mould base, a lower base plate fixed on the lower mould base and a lower mould plate fixed on the lower base plate, and a punching die head and a sprouting die head which penetrate through the upper clamping plate, the stop plate and the stripping plate are fixed on the upper base plate; the upper backing plate is provided with an air groove, the axis position of the punching die head is provided with an air hole with two through ends, and the air groove is communicated with the air hole.

The punching die head and the sprouting die head are fixed on the upper backing plate, the punching die head punches a hole on the plate after blanking and bending, the sprouting die head performs hole flanging on the plate after blanking and bending, the punching and hole flanging processes are combined on a pair of dies, the punching and hole flanging processes are completed through one-step punching, the time is saved, and the punching efficiency is improved; the air holes are formed in the axis of the punching die head, the air grooves are formed in the upper base plate and communicated with the air holes, the air grooves are connected with compressed air, magnetism is easy to generate along with the increase of punching times, flying cutting generated by punching is easy to be absorbed onto the punching die head, the punching precision of the next time is influenced, flying cutting magnetically absorbed at the end of the punching die head can be removed through the compressed air in an air blowing mode, and the punching precision is guaranteed.

Further preferably, a plurality of coaxial spring holes are formed in the upper die base, the upper base plate, the stop plate and the stripper plate, springs are arranged in the spring holes of the upper die base, limit bolts are arranged in the spring holes of the upper base plate, the stop plate and the stripper plate, the lower ends of the limit bolts are fixedly connected with the stripper plate, and the upper ends of the limit bolts are in contact fit with the springs. The spring makes the backstop board and take off the flitch and float relative to the upper backing plate, and the floating distance of backstop board and taking off the flitch is injectd to the chock plug.

Further preferably, a plurality of storage positions are formed in the upper die and the lower die, and the storage positions correspond to punching positions and sprouting positions of refrigerator compressor trays with different shapes and sizes. The storage positions are relatively positions which are just needed to work, each storage position can correspond to different products, and the storage positions can be selected to carry out punching tool installation according to the shape and the size of the products, so that only the punching tool needs to be replaced, the die does not need to be replaced integrally, and the cost is reduced in the aspect of operation.

Preferably, the punching die head is rod-shaped, the cross section of the punching die head is matched with the shape of a hole in a refrigerator compressor tray, and the tail end of the punching die head is provided with an outer convex part protruding in the radial direction.

Further preferably, the end of the punching die head is concave, and a punching edge is formed around the end. The end of the punching die head is concave, so that even if flying cut is magnetically attracted, the flying cut is easily blown off by shunting of compressed air on the concave surface.

Preferably, the lower templates are divided into two groups, namely a left lower template and a right lower template, the two lower templates are separated, and a concave part matched with the middle part of the refrigerator compressor tray is formed between the two lower templates. The middle of refrigerator compressor tray is through bending when the unloading, and this position need not set up and punches a hole and screw hole, therefore this position does not process in punching a hole and sprouting, and the lower bolster divide into two sets of separation, just in time reserves middle position, also just in time makes two lower templates and refrigerator compressor tray both sides position cooperation simultaneously.

Preferably, the two lower templates are respectively provided with a long concave strip, and the long concave strips are provided with positions and shapes for accommodating the lugs of the refrigerator compressor tray.

Further preferably, an upper barbed die head is arranged on the right lower template, a lower punching die is arranged on the side edge of the upper barbed die head, the lower punching die is close to the upper barbed die head, and the lower punching die is provided with a dovetail-shaped side portion. Go up the thorn die head and correspond the position with the plate and from up impaling down, and then form the flange structure of upturning, the edge of flange this moment sets up the screw hole, needs the sprouting operation, but because go up thorn die head and punch a hole the lower mould next-door neighbour, right lower bolster forms open breach at this position, considers the stability influence of open structure counterpunching hole lower mould, and the side of the lower mould that punches a hole sets up dovetail lateral part to guarantee the position stability of the relative right lower bolster of lower mould that punches a hole.

The utility model has the beneficial effects that: the punching die head and the sprouting die head are fixed on the upper backing plate, the punching die head punches a hole on the plate after blanking and bending, the sprouting die head performs hole flanging on the plate after blanking and bending, the punching and hole flanging processes are combined on a pair of dies, the punching and hole flanging processes are completed through one-step punching, the time is saved, and the punching efficiency is improved; the air groove is communicated with the air hole and is connected with compressed air, flying cutting of the magnetic suction at the end part of the punching die head can be removed by the compressed air in a blowing mode, and punching precision is guaranteed.

Drawings

FIG. 1 is a side view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a schematic view of an upper mat structure according to the present invention;

FIG. 4 is a schematic cross-sectional view of a punch die of the present invention;

FIG. 5 is a side view of the punch die of FIG. 4 of the present invention;

FIG. 6 is a schematic structural view of a lower left template of the present invention;

FIG. 7 is a schematic structural view of a lower right template of the present invention;

FIG. 8 is a schematic structural view of a refrigerator compressor tray that can be processed by the inventive die;

FIG. 9 is a schematic view of an upper die base structure according to the present invention;

FIG. 10 is a schematic view of an upper splint according to the present invention;

FIG. 11 is a schematic view of a stopper plate of the present invention;

FIG. 12 is a schematic view of a stripper plate of the present invention;

FIG. 13 is a schematic view of a lower pad structure according to the present invention;

FIG. 14 is a schematic view of a lower die holder according to the present invention;

in the figure: 1. the device comprises an upper die base, 2, an upper padding plate, 3, an upper clamping plate, 4, a stop plate, 5, a stripper plate, 6, a lower die plate, 7, a lower padding plate, 8, a lower die base, 9, a sprouting die head, 10, a limiting bolt, 11, a guide pillar, 12, a punching die head, 13, a spring, 14, a spring hole, 15, an air groove, 16, a small hole, 17, an outer convex part, 18, a left lower die plate, 19, a long concave strip, 20, a right lower die plate, 21, a punching lower die, 22, an upper punching die head, 23 and a refrigerator compressor tray.

Detailed Description

The utility model is further described by the following specific embodiments in conjunction with the accompanying drawings.

Example (b):

as shown in fig. 8, the shape structure of three refrigerator compressor trays 23 is shown in the figure, the middle is concave, both sides are convex, the outer side edge has a folded edge, the middle and both sides are provided with convex blocks, the length of the three products is different, the length and the number of the convex blocks are different, the positions of a long waist hole, a threaded hole and a square hole at the left side of the three products are the same, and the local positions of the three products are provided with typewritten marks and flanged pricks.

As shown in fig. 1 to 7, a refrigerator compressor tray mould that sprouts that punches a hole, including last mould and lower mould, it includes upper die base 1 to go up the mould, be fixed in upper padding plate 2 on the upper die base, be fixed in punch holder 3 on the upper padding plate, with backstop plate 4 and the stripper plate 5 that the upper die base floated mutually and is connected, the backstop plate is fixed with the stripper plate, the lower mould includes the lower bolster 8, be fixed in lower bolster 7 on the lower bolster, be fixed in lower bolster 6 on the lower bolster, be fixed with on the upper padding plate and pierce through the punch die head 12 and the sprouting die head 9 of punch holder, backstop plate and stripper plate. A plurality of coaxial spring holes 14 are formed in the upper die base, the upper padding plate, the stopping plate and the stripper plate, springs 13 are arranged in the spring holes of the upper die base, limiting bolts 10 (2 are shown in figure 1) are arranged in the spring holes of the upper padding plate, the stopping plate and the stripper plate, the lower ends of the limiting bolts are fixedly connected with the stripper plate, and the upper ends of the limiting bolts are in contact fit with the springs.

An air groove 15 is formed in the upper base plate, a small hole 16 is formed in the position, corresponding to the punching die head, of the air groove, an air hole with two through ends is formed in the axis position of the punching die head, and the air groove is communicated with the air hole through the small hole. The punching die head is rod-shaped, the cross section of the punching die head is matched with the shape of a hole in a refrigerator compressor tray, and the tail end of the punching die head is provided with an outer convex part 17 protruding in the radial direction. As shown in fig. 4, the shape of the punching die in this example is long waist, square and rectangular. The end part of the punching die head is concave, and a punching blade edge is formed around the end part.

A plurality of storage positions are formed in the upper die and the lower die, and the storage positions correspond to punching positions and sprouting positions of refrigerator compressor trays with different shapes and sizes. The mould of this embodiment corresponds three products, goes up mould and lower mould and sets up three station altogether, and the station that wherein installs punching die head and sprouting die head is operating position, and two stations that do not install in addition are the reserve position.

The lower templates are divided into two groups, namely a left lower template 18 and a right lower template 20 which are separated from each other, and a concave part matched with the middle part of the refrigerator compressor tray is formed between the two lower templates. Both lower templates are provided with long concave strips 19 having positions and shapes to accommodate the bumps of the refrigerator compressor tray.

An upper barbed die head 22 is arranged on the right lower template, a lower punching die 21 is arranged on the side edge of the upper barbed die head, the lower punching die is close to the upper barbed die head, and the lower punching die is provided with a dovetail-shaped side part. Set up on the lower right bolster and sting the die head mounting hole and punch a hole the lower mould mounting hole, two mounting holes communicate each other, and the lower right bolster corresponds the side opening of stinging the die head mounting hole, and the lower mould mounting hole that punches a hole this moment is closer apart from the side of lower right bolster, in order to avoid the lower right bolster to warp, the lower mould position that punches a hole changes, the side of the lower mould that punches a hole designs into the dovetail, makes the lower mould rigidity that punches a hole through the dovetail lateral part.

Fig. 9 to 14 show the structure of the upper die holder 1, the upper clamping plate 3, the stop plate 4, the stripper plate 5, the lower backing plate 7 and the lower die holder 8 in the present embodiment.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. The punching and sprouting mold for the tray of the refrigerator compressor is characterized by comprising an upper mold and a lower mold, wherein the upper mold comprises an upper mold base (1), an upper base plate (2) fixed on the upper mold base, an upper clamping plate (3) fixed on the upper base plate, a stop plate (4) and a stripping plate (5) which are in floating connection with the upper mold base, the stop plate is fixed with the stripping plate, the lower mold comprises a lower mold base (8), a lower base plate (7) fixed on the lower mold base and a lower mold plate (6) fixed on the lower base plate, and a punching die head (12) and a sprouting die head (9) which penetrate through the upper clamping plate, the stop plate and the stripping plate are fixed on the upper base plate; an air groove (15) is arranged on the upper backing plate, an air hole with two through ends is arranged at the axis position of the punching die head, and the air groove is communicated with the air hole.

2. The punching and sprouting mould for the trays of the refrigerator compressors as claimed in claim 1 wherein a plurality of coaxial spring holes (14) are formed in the upper die holder, the upper backing plate, the stop plate and the stripper plate, a spring (13) is arranged in the spring hole of the upper die holder, a limit stop (10) is arranged in the spring holes of the upper backing plate, the stop plate and the stripper plate, the lower end of the limit stop is fixedly connected with the stripper plate, and the upper end of the limit stop is in contact fit with the spring.

3. The refrigerator compressor tray punching and sprouting mold according to claim 1, wherein a plurality of storage positions are formed in the upper mold and the lower mold, and the storage positions correspond to punching positions and sprouting positions of refrigerator compressor trays with different shapes and sizes.

4. The refrigerator compressor tray punching and sprouting mold as claimed in claim 1, 2 or 3, characterized in that the punching die is rod-shaped, the cross-sectional shape of the punching die is matched with the shape of the hole on the refrigerator compressor tray, and the tail end of the punching die is provided with a radially protruding external protrusion (17).

5. The refrigerator compressor tray punching and sprouting mold as claimed in claim 4, wherein the end portion of the punching die head is concave and a punching edge is formed around the end portion.

6. The refrigerator compressor tray punching and sprouting mold as claimed in claim 1, 2 or 3 wherein the lower mold plates are divided into two groups, namely a left lower mold plate (18) and a right lower mold plate (20), the two lower mold plates are separated, and a concave portion matched with the middle portion of the refrigerator compressor tray is formed between the two lower mold plates.

7. The refrigerator compressor tray punching and sprouting mold as claimed in claim 6 wherein both lower templates are provided with long concave strips (19) having positions and shapes to accommodate refrigerator compressor tray projections.

8. The refrigerator compressor tray punching and sprouting mold as claimed in claim 6, characterized in that an upper barbed die head (22) is arranged on the lower right template, a lower punching die (21) is arranged on the side of the upper barbed die head, the lower punching die is adjacent to the upper barbed die head, and the lower punching die has dovetail-shaped side parts.