Evaporator outlet pipe end tool

Abstract

The utility model discloses an evaporator outlet pipe end tool which comprises a die installation base and a clamp installation base, a pier head die, an eccentric die, a shaping die, a flaring die and a necking die are installed on the side, close to the clamp installation base, of the die installation base, a clamping block is arranged on the clamp installation base, and the eccentric die comprises a second fixing block. A second forming cavity is formed in the side, close to the clamp mounting base, of the second fixing block, an inclined face is arranged on the upper portion of the second forming cavity, the height of the end, close to the clamp mounting base, of the inclined face is larger than that of the end, away from the clamp mounting base, of the inclined face, the stock mold comprises a third fixing block, and a forming hole is formed in the side, close to the clamp mounting base, of the third fixing block.

Description

Technical Field

[0001] This utility model relates to the field of machining tooling technology, and more specifically, to a tooling for the end of an evaporator outlet pipe. Background Technology

[0002] An air conditioning evaporator is a type of evaporator. The function of an air conditioning evaporator is to utilize the fact that liquid, low-temperature refrigerant easily evaporates under low pressure, turning into vapor and absorbing heat from the medium being cooled, thus achieving the purpose of cooling. For evaporators used in automobiles, due to the need to fully utilize the interior space of the vehicle, the shape of the evaporator outlet pipe is specially designed according to the actual usage conditions, requiring modifications to existing tooling for this special pipe end shape. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a tooling for the pipe end of an evaporator outlet pipe.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] This utility model discloses a tooling for the outlet pipe end of an evaporator, including a mold mounting base and a clamp mounting base. The mold mounting base has a head mold, an eccentric mold, a shaping mold, a flaring mold, and a necking mold mounted on the side near the clamp mounting base. A clamping block is provided on the clamp mounting base. The eccentric mold includes a second fixing block, with a second forming cavity on the side near the clamp mounting base. An inclined surface is provided on the upper part of the second forming cavity, with the height of the inclined surface near the clamp mounting base being higher than the height of the end away from the clamp mounting base. The shaping mold includes a third fixing block, with a forming hole on the side near the clamp mounting base. A positioning cavity is provided on the side of the forming hole near the clamp mounting base. A second mounting block is installed inside the forming hole, and a second mandrel is connected to the end of the second mounting block near the clamp mounting base. A gap is left between the outer periphery of the second mandrel and the side wall of the forming hole.

[0006] Furthermore, the pier head mold includes a fixing block 1, a forming cavity 1 is opened on the side of the fixing block 1 near the clamp mounting seat, an mounting block 1 is installed in the forming cavity 1, a mandrel 1 is connected to the end of the mounting block 1 near the clamp mounting seat, and a gap is left between the outer periphery of the mandrel 1 and one side wall of the forming cavity.

[0007] Furthermore, an annular groove is provided on the side of the forming cavity near the fixture mounting seat, and the diameter of the annular groove is larger than the diameter of the forming cavity.

[0008] Furthermore, a receiving cavity is provided on the side of the molding cavity two near the fixture mounting seat.

[0009] Furthermore, the flaring mold includes a fixing block four, and a forming cavity three is opened on the side of the fixing block four near the fixture mounting seat. A support block one is installed in the forming cavity three, and a gap is left between the outer periphery of the support block one and the side wall of the forming cavity three.

[0010] Furthermore, the reducing die includes a fixing block five, and a forming cavity four is opened on the side of the fixing block five near the fixture mounting seat. A support block two is installed in the forming cavity four, and a gap is left between the outer periphery of the support block two and the side wall of the forming cavity four.

[0011] The beneficial effects of this utility model are: the tube end is extruded and shaped by an eccentric mold, so that the tube end forms an inclined surface. Then, the tube end is processed by a shaping mold, a flaring mold, and a shrinking mold, thereby forming an eccentric duckbill structure at the tube end. The process is carried out step by step, ensuring a high yield rate. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of a tooling structure for the evaporator outlet pipe end in this embodiment;

[0013] Figure 2 This is a schematic diagram of one structure of the pier head mold in this embodiment;

[0014] Figure 3 This is a schematic diagram of one structure of the eccentric mold in this embodiment;

[0015] Figure 4 This is a schematic diagram of one structure of the molding die in this embodiment;

[0016] Figure 5 This is a schematic diagram of one structure of the flaring mold in this embodiment;

[0017] Figure 6 This is a schematic diagram of one structure of the necking mold in this embodiment.

[0018] Reference numerals: 1. Mold mounting base; 2. Head mold; 3. Eccentric mold; 4. Shaping mold; 5. Flaring mold; 6. Narrowing mold; 7. Fixture mounting base; 8. Clamping block; 9. Fixing block one; 10. Forming cavity one; 11. Ring groove; 12. Mounting block one; 13. Core rod one; 14. Fixing block two; 15. Forming cavity two; 16. Receiving cavity; 17. Inclined surface; 18. Fixing block three; 19. Forming hole; 20. Positioning cavity; 21. Mounting block two; 22. Core rod two; 23. Fixing block four; 24. Forming cavity three; 25. Support block one; 26. Fixing block five; 27. Forming cavity four; 28. Support block two. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] like Figures 1-6 As shown, a tooling for the pipe end of an evaporator outlet pipe includes a mold mounting base 1 and a clamping mounting base 7. A head-forming mold 2, an eccentric mold 3, a shaping mold 4, a flaring mold 5, and a necking mold 6 are mounted on the right side of the mold mounting base 1. A clamping block 8 is provided on the clamping mounting base 7. The mold mounting base 1 can move vertically and horizontally, causing the head-forming mold 2, eccentric mold 3, shaping mold 4, flaring mold 5, and necking mold 6 to sequentially approach the clamping mounting base 7 to process the pipe end.

[0021] The die-casting mold 2 includes a fixing block 9. A forming cavity 10 is formed on the side of the fixing block 9 near the clamp mounting base 7. An mounting block 12 is installed inside the forming cavity 10. A mandrel 13 is connected to the end of the mounting block 12 near the clamp mounting base 7. A gap is left between the outer periphery of the mandrel 13 and the side wall of the forming cavity 10. The mandrel 13 extends beyond the forming cavity 10, allowing it to penetrate deeper into the pipe to support the pipe body. An annular groove 11 is provided on the side of the forming cavity 10 near the clamp mounting base 7. The diameter of the annular groove 11 is larger than the diameter of the forming cavity 10. When the die-casting mold 2 approaches the pipe body, the pipe end enters the gap between the mandrel 13 and the forming cavity 10 until the pipe end abuts against the right end face of the mounting block 12. The fixing block 9 continues to move towards the pipe body, causing part of the pipe body to deform towards the annular groove 11, thereby forming an annular protrusion, i.e., a positioning ring, on the pipe body.

[0022] The eccentric mold 3 includes a second fixing block 14. A second forming cavity 15 is formed on the side of the fixing block 14 near the fixture mounting base 7. An inclined surface 17 is provided on the upper part of the second forming cavity 15. The height of the inclined surface 17 near the fixture mounting base 7 is higher than the height of the end away from the fixture mounting base 7. A receiving cavity 16 is provided on the side of the second forming cavity 15 near the fixture mounting base 7. The receiving cavity 16 is used to receive the positioning ring generated in the previous processing step. When the tube end enters the second forming cavity 15, due to the action of the inclined surface 17, the upper part of the tube end deforms and tilts, causing an eccentricity between the center of the tube end opening and the center of the tube body.

[0023] The shaping mold 4 includes a fixing block 3 18. A forming hole 19 is formed on the side of the fixing block 3 18 near the fixture mounting base 7. A positioning cavity 20 is provided on the side of the forming hole 19 near the fixture mounting base 7. A mounting block 21 is installed inside the forming hole 19. A mandrel 22 is connected to the end of the mounting block 21 near the fixture mounting base 7. A gap is left between the outer periphery of the mandrel 22 and the side wall of the forming hole 19. The mandrel 22 does not protrude out of the positioning cavity 20. When the tube end enters the gap between the forming hole 19 and the mandrel 22, the shape of that part of the tube end changes, facilitating subsequent processing. The positioning cavity 20 is used to accommodate the tube end that does not enter, allowing it to retain the original shape from the previous processing step.

[0024] Furthermore, the flaring die 5 includes a fixing block 4 23. A forming cavity 3 24 is formed on the side of the fixing block 4 23 near the fixture mounting base 7. A support block 1 25 is installed inside the forming cavity 3 24, with a gap between the outer periphery of the support block 1 25 and the side wall of the forming cavity 3 24. Part of the support block 1 25 is located outside the forming cavity 3 24, used to support the pipe end and prevent deformation during processing. The pipe end enters the gap between the forming cavity 3 24 and the support block 1 25, shaping the pipe end after the previous processing step, flattening it to form a duckbill-shaped structure.

[0025] Furthermore, the necking die 6 includes a fixing block 5 26, which has a forming cavity 4 27 on the side near the clamp mounting base 7. A support block 28 is installed in the forming cavity 4 27, and a gap is left between the outer periphery of the support block 28 and the side wall of the forming cavity 4 27. Based on the previous step, a smaller duckbill-shaped structure is formed at the tube end.

[0026] Furthermore, there are two of each of the eccentric mold 3, the flaring mold 5, and the shrinking mold 6, with the forming size of one of them being smaller than that of the other, so that the tube end can be formed in stages, avoiding excessive deformation in a single process that could damage the tube end.

[0027] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. An evaporator outlet tube tube end tooling characterized by, The utility model provides a die head mould (2), eccentric die (3), shaping die (4), flaring die (5) and necking die (6) are installed to the side of die mounting seat (1) close to clamp mounting seat (7), and the clamp mounting seat (7) is provided with clamping block (8), the eccentric die (3) includes fixed block two (14), and the fixed block two (14) is close to the side of clamp mounting seat (7) and is provided with forming cavity two (15), and the upper portion of forming cavity two (15) is provided with inclined surface (17), and the height of the inclined surface (17) close to one end of clamp mounting seat (7) is higher than the height away from one end of clamp mounting seat (7), and the shaping die (4) includes fixed block three (18), and the fixed block three (18) is close to the side of clamp mounting seat (7) and is provided with forming hole (19), and the side of forming hole (19) close to clamp mounting seat (7) is provided with positioning cavity (20), and the installation block two (21) is installed in forming hole (19), and the one end of installation block two (21) close to clamp mounting seat (7) is connected with core rod two (22), and the clearance is left between the outer periphery of core rod two (22) and the side wall of forming hole (19).

2. An evaporator outlet tube end tooling as claimed in claim 1, wherein, The die head mould (2) includes fixed block one (9), and the fixed block one (9) is close to the side of clamp mounting seat (7) and is provided with forming cavity one (10), and the installation block one (12) is installed in forming cavity one (10), and the one end of installation block one (12) close to clamp mounting seat (7) is connected with core rod one (13), and the clearance is left between the outer periphery of core rod one (13) and the side wall of forming cavity one (10).

3. An evaporator outlet tube end tooling as claimed in claim 2, wherein, The side of forming cavity one (10) close to clamp mounting seat (7) is provided with ring groove (11), and the diameter of ring groove (11) is greater than the diameter of forming cavity one (10).

4. An evaporator outlet tube end tooling as claimed in claim 3, wherein, The side of forming cavity two (15) close to clamp mounting seat (7) is provided with accommodating cavity (16).

5. The evaporator outlet tube end tooling of claim 1, wherein, The flaring die (5) includes fixed block four (23), and the fixed block four (23) is close to the side of clamp mounting seat (7) and is provided with forming cavity three (24), and the support block one (25) is installed in forming cavity three (24), and the clearance is left between the outer periphery of support block one (25) and the side wall of forming cavity three (24).

6. An evaporator outlet tube end tooling as claimed in claim 1, wherein, The necking die (6) includes fixed block five (26), and the fixed block five (26) is close to the side of clamp mounting seat (7) and is provided with forming cavity four (27), and the support block two (28) is installed in forming cavity four (27), and the clearance is left between the outer periphery of support block two (28) and the side wall of forming cavity four (27).

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