CN218963738U - Copper pipe end stamping device of air conditioner evaporator - Google Patents

Abstract

The utility model discloses an air conditioner evaporator copper pipe end stamping device, which comprises a base, wherein a support column is arranged on the base, a support plate is arranged at the top of the support column, a mounting block is fixed on the support column, a moving block is connected on the mounting block in a sliding manner, and a driving mechanism for driving the moving block to move up and down is arranged on the support plate; a stamping upper module is arranged below the moving block, and a stamping lower module is arranged on the bottom plate at a position corresponding to the stamping upper module; an elastic module is arranged on one side of the punching lower module, and a mounting plate is arranged at the bottom of the elastic module; the mounting plate is horizontally provided with a first air cylinder, the end part of a telescopic rod of the first air cylinder is provided with a fixing plate, the fixing plate is provided with two pressing shafts which are horizontally arranged, and the pressing shafts penetrate through the elastic module and extend between the punching upper module and the punching lower module; the upper stamping module and the lower stamping module are provided with arc-shaped grooves corresponding to the two pressing shafts; a buffer component is arranged between the mounting plate and the bottom plate.

Description

Copper pipe end stamping device of air conditioner evaporator

Technical Field

The utility model belongs to the technical field of air conditioner part manufacturing equipment, and particularly relates to an air conditioner evaporator copper pipe end stamping device.

Background

The evaporator on an air conditioning and refrigerating unit is generally made of copper pipe, and the end part of the copper pipe needs to be punched, so that the end head forms the shape shown in fig. 4. An apparatus for punching the end of a check valve tube of an air conditioner evaporator is described in a check valve end seal punching apparatus of chinese patent 202020241214.9, in which the tube end is formed into "-infinity" shape under the punching of an upper die by providing two pressing shafts. This scheme has following problem, and after the punching press was finished, the pipe end can wrap up in two suppression axle outsides, and the pipe end is comparatively inseparable of wrap up between the suppression axle sometimes, therefore the workman need outwards apply force to the work piece and just can take off the pipe end of evaporimeter check valve from the suppression axle, and is comparatively laborious loaded down with trivial details. In addition, in the prior art, when the pipe end is stamped, the pipe end is directly sleeved on the two pressing shafts for stamping, the stamping mode has the following problems that the diameter of the pipe end is sometimes equal to or only slightly larger than the distance between the outer walls of the two pressing shafts, the pipe end is directly sleeved on the pressing shafts, and a worker is required to hold the copper pipe accurately and correspondingly, so that the pipe end is sleeved on the pressing shafts, and the working efficiency is lower. Therefore, it is necessary to design a punching device for copper pipe ends of an air conditioner evaporator to solve the above problems.

Disclosure of Invention

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model relates to an air conditioner evaporator copper pipe end stamping device which comprises a base, wherein a support column is arranged on the base, a support plate is arranged at the top of the support column, a mounting block is fixed on the support column, a moving block is connected to the mounting block in a sliding manner, and a driving mechanism for driving the moving block to move up and down is arranged on the support plate; a stamping upper module is arranged below the moving block, and a stamping lower module is arranged at a position corresponding to the stamping upper module on the base; an elastic module is arranged on one side of the stamping lower module, and a mounting plate is arranged at the bottom of the elastic module; the mounting plate is horizontally provided with a first air cylinder, the end part of a telescopic rod of the first air cylinder is provided with a fixing plate, the fixing plate is provided with two pressing shafts which are horizontally arranged, and the pressing shafts penetrate through the elastic module and extend between the punching upper module and the punching lower module; arc grooves corresponding to the two pressing shafts are formed in the upper stamping module and the lower stamping module; and a buffer assembly is arranged between the mounting plate and the base.

Further, the buffer component comprises a plurality of guide rods penetrating through the mounting plate and springs sleeved on the guide rods; the guide rod is in sliding connection with the mounting plate, and the lower end of the guide rod is fixedly connected with the base; the spring is sleeved on the part of the guide rod, which is positioned between the base and the mounting plate.

Further, a limiting block for preventing the mounting plate from falling off is sleeved on the part, above the mounting plate, of the guide rod.

Further, positioning rods are respectively arranged on two sides of the two pressing shafts on the lower stamping module, grooves corresponding to the positioning rods are formed in the upper stamping module, and when the upper stamping module moves downwards, the positioning rods are immersed into the grooves.

Further, a pre-punching groove is formed in one side, located on the locating rod, of the punching lower module, and a punching block corresponding to the pre-punching groove is arranged on the punching upper module.

Further, the driving mechanism is a second cylinder fixed on the supporting plate, and a telescopic rod of the second cylinder is downwards arranged and connected with the moving block.

Further, a rubber buffer pad is arranged in the pre-stamping groove.

The utility model has the beneficial effects that: according to the utility model, the first air cylinder is arranged on one side of the elastic module, after stamping is finished, the first air cylinder is started to retract the telescopic rod to drive the fixed plate to move, and meanwhile, the two pressing shafts move along with the fixed plate, so that a stamped workpiece is rapidly separated from the two pressing shafts, and a worker does not need to apply force to the workpiece again to take out the stamped pipe end. The copper pipe is provided with the pre-punching groove, when the copper pipe is used, the copper pipe end of the air conditioner evaporator is deformed from round deformation to be approximately rectangular, so that the inner width of the approximately rectangular pipe end is larger than the inner diameter of the original round pipe end, and therefore, when the copper pipe is re-punched, the copper pipe can be quickly and conveniently sleeved on two pressing shafts.

Drawings

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

FIG. 2 is a left side view of the present utility model;

FIG. 3 is a schematic view of A-A structure of the present utility model;

FIG. 4 is a finished product diagram of the copper pipe end of the air conditioner evaporator of the utility model;

reference numerals:

1. a support plate; 2. a second cylinder; 3. a mounting block; 4. a moving block; 5. stamping the upper module; 6. an elastic module; 7. stamping the lower module; 8. pressing the shaft; 9. a support column; 10. a positioning rod; 11. stamping blocks; 12. pre-stamping the groove; 13. a rubber cushion pad; 14. a base; 15. a first cylinder; 16. a mounting plate; 17. a guide rod; 18. a spring; 19. a limiting block; 20. a fixing plate; 21. a groove.

Detailed Description

The technical solution of the present utility model will be further described with reference to fig. 1 to 4, so that those skilled in the art can more clearly understand the content of the technical solution.

As shown in fig. 1-4, the stamping device for copper pipe ends of an air conditioner evaporator comprises a base 14, wherein a support column 9 is arranged on the base 14, a support plate 1 is arranged at the top of the support column 9, a mounting block 3 is fixed on the support column 9, a moving block 4 is connected onto the mounting block 3 in a sliding manner, and a driving mechanism for driving the moving block 4 to move up and down is arranged on the support plate 1; the driving mechanism is a second cylinder 2 fixed on the supporting plate 1, and a telescopic rod of the second cylinder 2 is downwards arranged and connected with the moving block 4. The driving mechanism is not limited to an air cylinder, and can also use a mode of matching a lead screw with a motor, so long as the function of driving the moving block to move up and down can be realized.

A punching upper module 5 is arranged below the moving block 4, and a punching lower module 7 is arranged on the base at a position corresponding to the punching upper module 5; an elastic module 6 is arranged on one side of the punching lower module 7, and a mounting plate 16 is arranged at the bottom of the elastic module 6; a first air cylinder 15 is horizontally arranged on the mounting plate 16, a fixing plate 20 is arranged at the end part of a telescopic rod of the first air cylinder 15, two pressing shafts 8 which are horizontally arranged are arranged on the fixing plate 20, and the pressing shafts 8 penetrate through the elastic module 6 and extend between the punching upper module 5 and the punching lower module 7; the upper stamping module 5 and the lower stamping module 7 are provided with arc-shaped grooves 21 corresponding to the two pressing shafts 8. The arc-shaped grooves are two connected semicircular grooves, and are matched with the shape of a finished product to be pressed.

The two sides of the lower stamping module 7, which are positioned on the two pressing shafts 8, are respectively provided with a positioning rod 10, the upper stamping module 5 is provided with a groove 21 corresponding to the positioning rods 10, and when the upper stamping module 5 moves downwards, the positioning rods 10 are immersed into the grooves 21. The positioning rod is arranged to enhance the stability of the evaporator copper tube during punching.

A buffer assembly is disposed between the mounting plate 16 and the base. The buffer assembly comprises a plurality of guide rods 17 penetrating through the mounting plate 16 and springs 18 sleeved on the guide rods 17; the guide rod 17 is slidably connected with the mounting plate 16, and the lower end of the guide rod is fixedly connected with the base 14; the spring 18 is sleeved on the part of the guide rod 17 between the base and the mounting plate 16. The part of the guide rod 17 above the mounting plate 16 is sleeved with a limiting block 19 for preventing the mounting plate 16 from falling out.

The buffer component is additionally arranged in the embodiment, the evaporator copper pipe is sleeved on the two pressing shafts firstly in the punching process, the punching upper module can bring the pipe ends and the pressing shafts to move downwards simultaneously when being driven by the moving block to move downwards, the pressing shafts are finally extruded on the punching lower module, the pressing shafts play a role of filling the inner space of the pipe ends of the evaporator, and under the action of the buffer component, the pressing shafts are not easy to generate rigid breakage, and can be positioned at the middle positions of the pipe ends, so that the shape similar to "infinity" is finally formed. When the pressing shaft is pressed downwards by the upper punching module, the whole elastic module and the mounting plate move downwards along with the pressing shaft, after the pressing is finished, the upper punching module moves upwards, the buffer assembly drives the mounting plate, the elastic module and the pressing shaft to move upwards and reset, at the moment, the first air cylinder is started to drive the fixing plate to be far away from the elastic module, so that the pressing shaft is separated from the end of the evaporation tube, and the copper tube of the evaporator is taken out of the pressing shaft rapidly.

This embodiment differs from embodiment 1 in that: the pre-punching groove 12 is formed in the punching lower module 7 and located on one side of the positioning rod 10, and the punching block 11 corresponding to the pre-punching groove 12 is formed in the punching upper module 5. A rubber cushion pad 13 is arranged in the pre-punching groove 12. In this embodiment, a pre-punching groove is additionally provided, when the pipe end of the copper pipe of the evaporator is punched, the pipe end of the copper pipe is firstly placed in the pre-punching groove, the second cylinder is started, and the punching upper module moves downwards, so that the punching block is pressed on the copper pipe, the copper pipe is deformed from a round shape to an approximate rectangle, the width of the rectangle is larger than the radius of the original pipe end, the deformed copper pipe of the air conditioner evaporator is sleeved on two pressing shafts, the second cylinder is started again, and the punching upper module moves downwards again, and finally is pressed to a shape similar to an 'infinity' shape. Then the upper module is punched to move upwards, the copper pipe of the air conditioner evaporator is loosened, and then the first cylinder is started, so that the copper pipe end is separated from the pressing shaft.

In the embodiment, the pre-stamping groove is additionally arranged, so that the pipe end is changed into an approximate rectangle, and the difficulty of directly sleeving the copper pipe on the two pressing shafts is reduced.

In addition, because the upper stamping module and the lower stamping module are both provided with arc-shaped grooves, when the pre-stamping is carried out, the pressing shaft can be positioned in the arc-shaped grooves, and the rigid breakage caused by impact can be avoided.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (7)

1. The utility model provides an air conditioner evaporimeter copper pipe end stamping device, includes base (14), its characterized in that: the base (14) is provided with a support column (9), the top of the support column (9) is provided with a support plate (1), the support column (9) is fixedly provided with a mounting block (3), the mounting block (3) is connected with a moving block (4) in a sliding manner, and the support plate (1) is provided with a driving mechanism for driving the moving block (4) to move up and down; a stamping upper module (5) is arranged below the moving block (4), and a stamping lower module (7) is arranged on the base at a position corresponding to the stamping upper module (5); an elastic module (6) is arranged on one side of the stamping lower module (7), and a mounting plate (16) is arranged at the bottom of the elastic module (6); the mounting plate (16) is horizontally provided with a first air cylinder (15), the end part of a telescopic rod of the first air cylinder (15) is provided with a fixed plate (20), the fixed plate (20) is provided with two pressing shafts (8) which are horizontally arranged, and the pressing shafts (8) penetrate through the elastic module (6) and extend between the punching upper module (5) and the punching lower module (7); arc-shaped grooves (21) corresponding to the two pressing shafts (8) are formed in the upper stamping module (5) and the lower stamping module (7); a buffer assembly is arranged between the mounting plate (16) and the base.

2. An air conditioner evaporator copper pipe end stamping device as set forth in claim 1 and further characterized in that: the buffer assembly comprises a plurality of guide rods (17) penetrating through the mounting plate (16), and springs (18) sleeved on the guide rods (17); the guide rod (17) is in sliding connection with the mounting plate (16), and the lower end of the guide rod is fixedly connected with the base (14); the spring (18) is sleeved on the part of the guide rod (17) between the base and the mounting plate (16).

3. An air conditioner evaporator copper pipe end stamping device as set forth in claim 2 and further characterized in that: the part of the guide rod (17) above the mounting plate (16) is sleeved with a limiting block (19) for preventing the mounting plate (16) from falling out.

4. An air conditioner evaporator copper pipe end stamping device as set forth in claim 1 and further characterized in that: the two sides of the two pressing shafts (8) on the lower punching module (7) are respectively provided with a positioning rod (10), the upper punching module (5) is provided with a groove (21) corresponding to the positioning rods (10), and when the upper punching module (5) moves downwards, the positioning rods (10) are immersed into the grooves (21).

5. An air conditioner evaporator copper pipe end stamping device as set forth in claim 4 and further comprising: the stamping lower module (7) is provided with a pre-stamping groove (12) at one side of the positioning rod (10), and the stamping upper module (5) is provided with a stamping block (11) corresponding to the pre-stamping groove (12).

6. An air conditioner evaporator copper pipe end stamping device as set forth in claim 1 and further characterized in that: the driving mechanism is a second cylinder (2) fixed on the supporting plate (1), and the telescopic rod of the second cylinder (2) is downwards arranged and connected with the moving block (4).

7. An air conditioner evaporator copper pipe end stamping device as set forth in claim 5 and further comprising: a rubber buffer pad (13) is arranged in the pre-stamping groove (12).

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