CN211539225U - Stamping die of refrigerator sheet metal part - Google Patents

Abstract

The utility model belongs to the technical field of stamping dies, in particular to a stamping die for a sheet metal part of a refrigerator. The existing stamping dies are not precise enough and have no fixing function. As a result, the stamped parts cannot be used, the material is wasted, and the stamping efficiency of the stamping parts is affected. The following scheme is now proposed, which includes a base, and the top of the base is fixedly installed with a lower die plate and the bottom ends of two support columns. The top of each support column is fixedly connected with the same top plate, the bottom of the top plate is fixedly installed with the top of the hydraulic cylinder, the bottom of the hydraulic cylinder is movably installed with a hydraulic arm, and the bottom end of the hydraulic arm is fixedly connected with a connecting block. The unique structural connection enables the stamping die to fix the raw materials during the stamping process, so that the stamping die does not shift the raw materials during the stamping process, and the quality of the stamping parts is ensured while the stamping die is rapidly stamped.

Description

A stamping die for refrigerator sheet metal parts

technical field

The utility model relates to the technical field of stamping dies, in particular to a stamping die for a sheet metal part of a refrigerator.

Background technique

Stamping is a forming and processing method that relies on presses and dies to apply external forces to sheets, strips, pipes and profiles to cause plastic deformation or separation to obtain workpieces (stamping parts) of the required shape and size. Stamping and forging belong to the same category. Plastic processing (or pressure processing), collectively called forging, the stamped blanks are mainly hot-rolled and cold-rolled steel plates and strips. In the existing production process of refrigerators, the sheet metal parts of refrigerators need to be stamped;

However, the existing stamping dies are often not precise enough and have no fixed function. If the plate is slightly offset during the stamping process of the die, it may directly cause the stamped parts to be unusable, which not only wastes the material but also affects the stamping efficiency of the stamping parts. .

Utility model content

The purpose of the utility model is to solve the problem that the existing stamping die is not precise enough and has no fixing function, and the plate is slightly offset during the stamping process of the die, which will cause the stamped parts to be unusable, waste materials and affect the stamping parts. The disadvantage of stamping efficiency, and a stamping die for refrigerator sheet metal parts is proposed.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A stamping die for a sheet metal part of a refrigerator comprises a base, a lower die plate and the bottom ends of two support columns are fixedly installed on the top of the base, the top ends of the two support columns are fixedly connected with the same top plate, and the bottom of the top plate is fixedly installed with a The top of the hydraulic cylinder and the bottom of the hydraulic cylinder are movably installed with a hydraulic arm, the bottom end of the hydraulic arm is fixedly connected with a connecting block, the bottom of the connecting block is fixedly connected with the upper die plate, and both sides of the connecting block are fixedly connected with connecting rods. One end, the other ends of the two connecting rods are respectively matched with the two supporting columns, the top of the lower die plate is slidably installed with two extruding devices, and the sides of the two extruding devices that are far away from each other are rotatably installed with one end of the transmission rod , the other ends of the two transmission rods are respectively matched with the two support columns.

Preferably, the pressing device includes a movable plate and a pressing plate, three springs, two fixing blocks, and two sliding blocks, one side of the movable plate is fixedly connected with one side of the two sliding blocks, and the side of the pressing plate is fixedly connected. One side is fixedly connected with one side of the two fixed blocks, one side of the two fixed blocks is provided with a slider slot, the two sliders are slidably installed in the two slider slots, and one side of the movable plate is connected to the three sliders. One end of the three springs is fixedly connected, and one side of the pressing plate is fixedly connected with the other ends of the three springs, and the springs can buffer the pressure between the movable plate and the pressing plate.

Preferably, transmission grooves are provided on the sides of the two support columns close to each other, threaded rods are rotatably installed in the two transmission grooves, and the other ends of the two connecting rods are fixedly connected with a first threaded block, and the two first The threaded blocks are all threadedly connected with the outer side of the threaded rod, and the first threaded block can drive the threaded rod to rotate.

Preferably, the other ends of the two transmission rods are rotatably connected with second threaded blocks, both of which are threadedly connected to the outside of the threaded rods, and the rotation of the threaded rods can drive the second threaded blocks to slide.

Preferably, the top of the lower die plate is provided with four chutes, the two extrusion devices are respectively slidably installed in the four chutes in pairs, and the extrusion devices are slidably installed on the bottom of the lower die plate through the chutes. top.

Compared with the prior art, the advantages of the present utility model are:

(1) In this scheme, the connecting block is matched with the connecting rod, and the first threaded block is matched with the threaded rod, so that the hydraulic arm can indirectly drive the threaded rod to rotate in the process of driving the connecting block to press down;

(2) In this scheme, the second threaded block is matched with the threaded rod, and the movable plate is matched with the extrusion plate through the spring, so that the rotation of the threaded rod can drive the second threaded block to move downward, further enabling the movable plate to drive the extrusion plate, achieve a fixed purpose;

In the utility model, through the tight structural connection, the stamping die can fix the raw materials during the stamping process, so that the raw materials will not be displaced during the stamping process, and the stamping die can be rapidly stamped and formed while ensuring the stability of the stamping parts. quality.

Description of drawings

1 is a schematic cross-sectional structure diagram of a stamping die for a refrigerator sheet metal part proposed by the utility model;

2 is a schematic top view structure diagram of a lower die plate of a stamping die for a sheet metal part of a refrigerator proposed by the utility model;

FIG. 3 is an enlarged structural schematic diagram of the stamping die of a sheet metal part of a refrigerator proposed by the utility model in FIG. 1 at A. FIG.

In the picture: 1. base, 2 lower die plate, 3 supporting column, 4 top plate, 5 hydraulic cylinder, 6 hydraulic arm, 7 connecting block, 8 upper die plate, 9 connecting rod, 10 transmission rod, 11 movable plate, 12 extrusion Pressure plate, 13 spring, 14 fixed block, 15 slider, 16 threaded rod, 17 first threaded block, 18 second threaded block.

Detailed ways

The technical solutions in this embodiment will be clearly and completely described below with reference to the accompanying drawings in this embodiment. Obviously, the described embodiments are only a part of the embodiments of this embodiment, but not all of the embodiments.

Example 1

Referring to Figures 1-3, a stamping die for a sheet metal part of a refrigerator includes a base 1, a lower die plate 2 and the bottom ends of two support columns 3 are fixedly mounted on the top of the base 1, and the top ends of the two support columns 3 are fixedly connected There is the same top plate 4, the bottom of the top plate 4 is fixedly installed with the top of the hydraulic cylinder 5, the bottom of the hydraulic cylinder 5 is movably installed with a hydraulic arm 6, the bottom end of the hydraulic arm 6 is fixedly connected with a connecting block 7, and the bottom of the connecting block 7 is fixed The upper mold plate 8 is connected, and both sides of the connecting block 7 are fixedly connected with one end of the connecting rod 9, the other ends of the two connecting rods 9 are matched with the two supporting columns 3 respectively, and the top of the lower mold plate 2 is slidably installed. There are two extruding devices, one end of a transmission rod 10 is rotatably installed on the sides of the two extruding devices away from each other, and the other ends of the two transmission rods 10 are matched with the two supporting columns 3 respectively.

In this embodiment, the pressing device includes a movable plate 11 and a pressing plate 12 , three springs 13 , two fixed blocks 14 , and two sliding blocks 15 , one side of the movable plate 11 and one side of the two sliding blocks 15 Fixed connection, one side of the extrusion plate 12 is fixedly connected with one side of the two fixed blocks 14, one side of the two fixed blocks 14 is provided with a slider slot, and the two sliders 15 are respectively slidably installed on the two sliders inside the groove, and one side of the movable plate 11 is fixedly connected to one end of the three springs 13, and one side of the pressing plate 12 is fixedly connected to the other end of the three springs 13, and the springs 13 can buffer the movable plate 11 and the pressing plate 12. pressure between.

In this embodiment, a transmission groove is opened on the side of the two support columns 3 that are close to each other, a threaded rod 16 is rotatably installed in the two transmission grooves, and a first threaded block is fixedly connected to the other ends of the two connecting rods 9 17. The two first threaded blocks 17 are both threadedly connected to the outer side of the threaded rod 16, and the first threaded block 17 can drive the threaded rod 16 to rotate.

In this embodiment, second threaded blocks 18 are rotatably connected to the other ends of the two transmission rods 10, and both of the second threaded blocks 18 are threadedly connected to the outside of the threaded rod 16. The rotation of the threaded rod 16 can drive the second threaded block 18 slides.

In this embodiment, the top of the lower die plate 2 is provided with four chutes, the two extrusion devices are respectively slidably installed in the four chutes in pairs, and the extrusion devices are slidably installed on the lower die plate through the chutes 2 on top.

Embodiment 2

1-3, a stamping die for a sheet metal part of a refrigerator includes a base 1, the top of the base 1 is fixedly mounted with a lower die plate 2 and the bottom ends of two support columns 3 by welding, and the top ends of the two support columns 3 The same top plate 4 is fixedly connected by welding, the bottom of the top plate 4 is fixedly installed with the top of the hydraulic cylinder 5 by bolts, the bottom of the hydraulic cylinder 5 is movably installed with a hydraulic arm 6, and the bottom end of the hydraulic arm 6 is fixedly connected with a connecting block by welding 7. The bottom of the connecting block 7 is fixedly connected with the upper die plate 8 by welding, and both sides of the connecting block 7 are fixedly connected with one end of the connecting rod 9 by welding, and the other ends of the two connecting rods 9 are respectively connected with the two supporting columns. 3, two extrusion devices are slidably installed on the top of the lower die plate 2, one end of the transmission rod 10 is rotated and installed on the side of the two extrusion devices away from each other, and the other ends of the two transmission rods 10 are respectively connected with the two The supporting columns 3 are matched with each other.

In this embodiment, the pressing device includes a movable plate 11 and a pressing plate 12 , three springs 13 , two fixed blocks 14 , and two sliding blocks 15 , one side of the movable plate 11 and one side of the two sliding blocks 15 Through the fixed connection by welding, one side of the extrusion plate 12 and one side of the two fixing blocks 14 are fixedly connected by welding. One side of the two fixing blocks 14 is provided with a slider slot, and the two sliders 15 are respectively slidably installed on the Inside the two slider slots, one side of the movable plate 11 and one end of the three springs 13 are fixedly connected by welding, and one side of the pressing plate 12 is fixedly connected with the other end of the three springs 13 by welding, and the springs 13 can buffer The pressure between the movable plate 11 and the squeeze plate 12.

In this embodiment, a transmission groove is opened on the side of the two support columns 3 that are close to each other, a threaded rod 16 is rotatably installed in the two transmission grooves, and the other ends of the two connecting rods 9 are fixedly connected with a first The threaded block 17 and the two first threaded blocks 17 are both threadedly connected to the outer side of the threaded rod 16 , and the first threaded block 17 can drive the threaded rod 16 to rotate.

In this embodiment, second threaded blocks 18 are rotatably connected to the other ends of the two transmission rods 10, and both of the second threaded blocks 18 are threadedly connected to the outside of the threaded rod 16. The rotation of the threaded rod 16 can drive the second threaded block 18 slides.

In this embodiment, the top of the lower die plate 2 is provided with four chutes, the two extrusion devices are respectively slidably installed in the four chutes in pairs, and the extrusion devices are slidably installed on the lower die plate through the chutes 2 on top.

In this embodiment, during use, the hydraulic cylinder 5 drives the hydraulic arm 6 to press down, the hydraulic arm 6 drives the connecting block 7 to press down, and the connecting block 7 drives the upper die plate 8 to press down and simultaneously drives the two connecting rods 9 to move downward. , the two connecting rods 9 drive the two first threaded blocks 17 to move downward on the two threaded rods 16 respectively. At this time, the two first threaded blocks 17 drive the threaded rod 16 to rotate while moving downward. 16 rotates, so that the two threaded rods 16 drive the two second threaded blocks 18 to move downward, the rotation of the two second threaded blocks 18 drives one end of the two transmission rods 10 to move downward, and the other end of the two transmission rods 10 rotates Drive the two movable plates 11 to slide on the top of the lower die plate 2, and the two movable plates 11 drive the two pressing plates 12 to approach each other through the six springs 13 until the two pressing plates 12 abut the stamping raw material, and the stamping raw material is fixed. , at this time, the hydraulic cylinder 5 continues to drive the upper die plate 8 to press down, and the two movable plates 11 continue to move and approach each other. At this time, the two pressing plates 12 have been pressed against the stamping material and cannot continue to move, so that the six springs 13 begin to move. Deformation buffer pressure until the stamping raw material is stamped and formed.

The above descriptions are only preferred specific implementations of this embodiment, but the protection scope of this embodiment is not limited to this. The equivalent replacement or modification of the technical solution and the utility model concept of the embodiment should be included within the protection scope of the present embodiment.

Claims (5)

1. A stamping die for a sheet metal part of a refrigerator, comprising a base, characterized in that a lower die plate and the bottom ends of two support columns are fixedly installed on the top of the base, and the top ends of the two support columns are fixedly connected with the same top plate, The bottom of the top plate is fixedly installed with the top of the hydraulic cylinder, the bottom of the hydraulic cylinder is movably installed with a hydraulic arm, the bottom end of the hydraulic arm is fixedly connected with a connecting block, the bottom of the connecting block is fixedly connected with an upper die plate, and both sides of the connecting block are fixed. One end of the connecting rod is fixedly connected, and the other ends of the two connecting rods are respectively matched with the two supporting columns. Two extrusion devices are slidably installed on the top of the lower die plate, and the sides of the two extrusion devices that are far away from each other rotate. One end of the transmission rod is installed, and the other ends of the two transmission rods are respectively matched with the two support columns. 2 . The stamping die for a refrigerator sheet metal part according to claim 1 , wherein the pressing device comprises a movable plate and a pressing plate, three springs, two fixed blocks, and two sliding blocks, 2 . One side of the movable plate is fixedly connected with one side of the two sliders, and one side of the extrusion plate is fixedly connected with one side of the two fixed blocks. The blocks are respectively slidably installed in the two slider slots, one side of the movable plate is fixedly connected with one end of the three springs, and one side of the pressing plate is fixedly connected with the other ends of the three springs. 3. A stamping die for a refrigerator sheet metal part according to claim 1, characterized in that a transmission groove is provided on the side of the two support columns that are close to each other, and a threaded rod is rotatably installed in the two transmission grooves, The other ends of the two connecting rods are fixedly connected with first threaded blocks, and the two first threaded blocks are both threadedly connected with the outer sides of the threaded rods. 4 . The stamping die for a refrigerator sheet metal part according to claim 1 , wherein the other ends of the two transmission rods are rotatably connected with second threaded blocks, and the two second threaded blocks are connected with the threaded rods. 5 . External threaded connection. 5 . The stamping die for a refrigerator sheet metal part according to claim 1 , wherein the top of the lower die plate is provided with four chutes, and the two extrusion devices are respectively slidably installed in two groups. 6 . in the four chutes.

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