CN214442945U - Local extrusion device of vehicle air conditioner compressor protecgulum - Google Patents
Local extrusion device of vehicle air conditioner compressor protecgulum Download PDFInfo
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- CN214442945U CN214442945U CN202023170446.9U CN202023170446U CN214442945U CN 214442945 U CN214442945 U CN 214442945U CN 202023170446 U CN202023170446 U CN 202023170446U CN 214442945 U CN214442945 U CN 214442945U
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Abstract
The utility model relates to a local extrusion device for a front cover of an automobile air conditioner compressor, which belongs to the field of die-casting dies and comprises a horizontal extrusion mechanism, a vertical extrusion mechanism, a casting die and a water cooling system; the horizontal extrusion mechanism comprises a horizontal frame, a first oil cylinder, a supporting plate, a second oil cylinder, a third oil cylinder, a first fixing sleeve, a second fixing sleeve, a first extrusion pin, a second extrusion pin, a first guide sleeve and a second guide sleeve, wherein the first guide sleeve and the second guide sleeve are sleeved outside the first extrusion pin and the second extrusion pin of the horizontal extrusion mechanism and are inserted into a casting mold; the vertical extrusion mechanism comprises a vertical frame, a fourth oil cylinder, a third fixed sleeve, a third extrusion pin and a third guide sleeve; a third guide sleeve is sleeved outside the third extrusion pin and inserted into the casting mold; the first oil cylinder and the fourth oil cylinder are provided with water cooling heads, and the water cooling heads are connected with a water cooling system; the local extrusion of a plurality of positions can be realized, working hours are saved, the later stage workload is greatly reduced, and the production line efficiency is improved.
Description
Technical Field
The utility model relates to a die casting die field especially relates to a local extrusion device of vehicle air conditioner compressor protecgulum.
Background
Die casting is a precision casting method that forces molten metal into a metal mold having a complicated shape by high pressure.
Die casting is of a great variety, the structure is different, withstand voltage products such as air condition compressor protecgulum, because of the wall thickness design is inhomogeneous, there is "hot festival" in the part, die-casting defects such as gas pocket, shrinkage cavity can appear in die-casting production process, thereby form leak passage, when carrying out the leak hunting experiment, lead to leaking the production, in order to solve above-mentioned problem, some enterprises can be at the local extrusion device of compressor protecgulum product bearing neck design, pressurize through the secondary to local wall thickness position and eliminate inside shrinkage cavity defect, and then the prevention is leaked.
In the prior art, the die-casting enterprise generally adopts single-point local extrusion mechanism, and this structure has following not enough: (1) single-point local extrusion is adopted, the actual product leakage position is usually more than one position, and multiple times of extrusion is needed by manual operation, so that the production efficiency is influenced; (2) the bottom hole cannot be extruded due to the influence of the structure of the product, so only a precast hole can be canceled, the local wall thickness of the product is increased, the extrusion effect is influenced, and meanwhile, the later-stage machining allowance is increased; (3) the local pressurization design is unreasonable, and the service life of the movable core around the extrusion device and the strength of the fixed mold are affected, so that the mold is frequently maintained, and the production efficiency is affected.
Disclosure of Invention
The utility model discloses to prior art's not enough, develop a local extrusion device of vehicle air conditioner compressor protecgulum. The utility model adopts the technical proposal that: a local extrusion device for a front cover of an automobile air conditioner compressor is characterized by comprising a horizontal extrusion mechanism 1, a vertical extrusion mechanism 23, a casting mold 28 and a water cooling system; the horizontal extrusion mechanism 1 comprises a horizontal frame 17, a first oil cylinder 2, a support plate 15, a second oil cylinder 3, a third oil cylinder 14, a first fixed sleeve 4, a second fixed sleeve 13, a first extrusion pin 5, a second extrusion pin 10, a first guide sleeve 7 and a second guide sleeve 11; the horizontal frame 17 is fixedly connected with the casting mould 28, and a piston rod of the first oil cylinder 2 is fixedly connected with the supporting plate 15; the second oil cylinder 3 and the third oil cylinder 14 are fixedly arranged on the supporting plate 15; one ends of the first fixing sleeve 4 and the second fixing sleeve 13 are respectively fixedly connected with the piston rods of the second oil cylinder 3 and the third oil cylinder 14, and the other ends are respectively detachably connected with the first extrusion pin 5 and the second extrusion pin 10; the first guide sleeve 7 and the second guide sleeve 11 are respectively inserted into a horizontal through hole formed in the side wall of the casting mold 28, and the first extrusion pin 5 and the second extrusion pin 10 are respectively inserted into the first guide sleeve 7 and the second guide sleeve 11; a first heat insulation sheet 8 is arranged between the first guide sleeve 7 and the side wall of the casting mould 28; a second heat insulation sheet 9 is arranged between the second guide sleeve 11 and the side wall of the casting mould 28; a first limit block 6 is arranged on a first extrusion pin 5 between the first fixed sleeve 4 and the first guide sleeve 7; a second limit block 12 is arranged on a second extrusion pin 10 between the second fixed sleeve 13 and the second guide sleeve 11; a first water cooling head 16 is arranged on the first oil cylinder 2; the vertical extrusion mechanism 23 comprises a vertical frame 19, a fourth oil cylinder 22, a third fixed sleeve 20, a third extrusion pin 24 and a third guide sleeve 26; the vertical frame 19 is fixedly connected with the casting mould 28; the fourth oil cylinder 22 is fixedly connected with the vertical frame 19; one end of the third fixing sleeve 20 is fixedly connected with a piston rod of the fourth oil cylinder 22, and the other end of the third fixing sleeve is detachably connected with the third extrusion pin 24; the third guide sleeve 26 is inserted into a vertical through hole formed in the top wall of the casting mold 28; the third extrusion pin 24 is inserted into the third guide sleeve 26, and a third heat insulation sheet 27 is arranged between the third guide sleeve 26 and the top wall of the casting mould 28; a third limiting block 25 is arranged on a third extrusion pin 24 between the third fixing sleeve 20 and a third guide sleeve 26; a second water cooling head 21 is arranged on the fourth oil cylinder 22; the water cooling system is respectively connected with the first water cooling head 16 and the second water cooling head 21.
Further, the surface of the first extrusion pin 5 is provided with a chromium-titanium-aluminum-nitrogen coating.
Further, the surface of the second extrusion pin 10 is provided with a chromium-titanium-aluminum-nitrogen coating.
Further, the surface of the third extrusion pin 24 is provided with a chromium-titanium-aluminum-nitrogen coating.
The utility model discloses an useful part embodies: (1) due to the adoption of the horizontal extrusion mechanism and the vertical extrusion mechanism, the utility model can simultaneously complete the local extrusion of a plurality of positions after the front cover of the automobile air-conditioning compressor is cast, thereby saving the working hours, improving the production line efficiency, realizing the extrusion of the bottom hole by the vertical extrusion mechanism, ensuring the extrusion effect and greatly reducing the later-stage workload; (2) the extrusion pin is detachably connected with the fixed sleeve, so that the extrusion pins with different lengths can be conveniently replaced, and the extrusion efficiency is improved; (3) due to the adoption of the water cooling head for cooling, the heat dissipation effect of the oil cylinder is improved, the service life and the extrusion effect of the oil cylinder are ensured, and the production cost is saved; (4) the limiting pin is arranged on the extrusion pin, so that the extrusion effect is ensured, the damage to the die due to excessive extrusion is avoided, and the service life of the die is prolonged; (5) the extrusion pin is provided with the chromium-titanium-aluminum-nitrogen coating, so that the service life of the extrusion pin is prolonged, and the production cost is saved.
Drawings
FIG. 1 is a schematic structural view of a partial extrusion device for a front cover of an automotive air conditioning compressor according to the present invention;
in the figure: 1, a horizontal extrusion mechanism; 2, a first oil cylinder; 9 a second heat shield; 10 a second pressing pin; 11 a second guide sleeve; 12 a second stopper; 13 a second harness; 14 a third oil cylinder; 15 a support plate; 16 a first water cooling head; 17 a frame; 18 a casting gate; 19 a vertical frame; 20 a third fixing sleeve; 21 a second water cooling head; 22 a fourth cylinder; 23, a vertical extrusion mechanism; 24 a third pressing pin; 25 a third limiting block; 26 a third guide sleeve; 27 a third insulating sheet; 28, casting the mould;
FIG. 2 is a schematic top view of the structure of the partial extrusion device for the front cover of the compressor of the air conditioner of the automobile of the present invention (the vertical extrusion mechanism is omitted);
in the figure: 1, a horizontal extrusion mechanism; 2, a first oil cylinder; 3, a second oil cylinder; 4 a first fixing sleeve; 5 a first pressing pin; 6, a first limiting block; 7, a first guide sleeve; 8 a first heat shield; 9 a second heat shield; 10 a second pressing pin; 11 a second guide sleeve 12, a second limit block 13 and a second fixing sleeve; 14 a third oil cylinder; 15 a support plate; 16 a first water cooling head; 17 a horizontal frame; 28 casting the mold.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments, which are described herein for the purpose of illustration only and are not intended to limit the invention.
As shown in fig. 1 and 2, the present invention includes a local extrusion device for a front cover of an automotive air conditioning compressor, which is characterized by comprising a horizontal extrusion mechanism 1, a vertical extrusion mechanism 23, a casting mold 28 and a water cooling system; the horizontal extrusion mechanism 1 comprises a horizontal frame 17, a first oil cylinder 2, a support plate 15, a second oil cylinder 3, a third oil cylinder 14, a first fixed sleeve 4, a second fixed sleeve 13, a first extrusion pin 5, a second extrusion pin 10, a first guide sleeve 7 and a second guide sleeve 11; the horizontal frame 17 is fixedly connected with the casting mould 28, and a piston rod of the first oil cylinder 2 is fixedly connected with the supporting plate 15; the second oil cylinder 3 and the third oil cylinder 14 are fixedly arranged on the supporting plate 15; one ends of the first fixing sleeve 4 and the second fixing sleeve 13 are respectively fixedly connected with the piston rods of the second oil cylinder 3 and the third oil cylinder 14, and the other ends are respectively detachably connected with the first extrusion pin 5 and the second extrusion pin 10; the first guide sleeve 7 and the second guide sleeve 11 are respectively inserted into a horizontal through hole formed in the side wall of the casting mold 28, and the first extrusion pin 5 and the second extrusion pin 10 are respectively inserted into the first guide sleeve 7 and the second guide sleeve 11; a first heat insulation sheet 8 is arranged between the first guide sleeve 7 and the side wall of the casting mould 28; a second heat insulation sheet 9 is arranged between the second guide sleeve 11 and the side wall of the casting mould 28; a first limit block 6 is arranged on a first extrusion pin 5 between the first fixed sleeve 4 and the first guide sleeve 7; a second limit block 12 is arranged on a second extrusion pin 10 between the second fixed sleeve 13 and the second guide sleeve 11; a first water cooling head 16 is arranged on the first oil cylinder 2; the vertical extrusion mechanism 23 comprises a vertical frame 19, a fourth oil cylinder 22, a third fixed sleeve 20, a third extrusion pin 24 and a third guide sleeve 26; the vertical frame 19 is fixedly connected with the casting mould 28; the fourth oil cylinder 22 is fixedly connected with the vertical frame 19; one end of the third fixing sleeve 20 is fixedly connected with a piston rod of the fourth oil cylinder 22, and the other end of the third fixing sleeve is detachably connected with the third extrusion pin 24; the third guide sleeve 26 is inserted into a vertical through hole formed in the top wall of the casting mold 28; the third extrusion pin 24 is inserted into the third guide sleeve 26, and a third heat insulation sheet 27 is arranged between the third guide sleeve 26 and the top wall of the casting mould 28; a third limiting block 25 is arranged on a third extrusion pin 24 between the third fixing sleeve 20 and a third guide sleeve 26; a second water cooling head 21 is arranged on the fourth oil cylinder 22; the water cooling system is respectively connected with the first water cooling head 16 and the second water cooling head 21.
The novel horizontal extrusion device is provided with two groups of horizontal extrusion mechanisms in the horizontal direction, the two groups of horizontal extrusion mechanisms are matched with the vertical extrusion mechanisms to form 5-point local extrusion, and if 4 extrusion pins in the horizontal direction need to be extruded simultaneously, two first oil cylinders 2 can be used for finishing extrusion simultaneously; according to the extrusion requirements of different dies, the second oil cylinder 3 and the third oil cylinder 14 in the horizontal direction can also work independently to finish the extrusion at a certain point.
The utility model discloses in fixed cover and extrusion round pin between can dismantle and be connected, specific connected mode includes but not limited to threaded connection or draw-in groove, buckle connection.
The limiting block arranged on the extrusion pin between the fixed sleeve and the guide sleeve in the utility model can be fixedly connected with the extrusion pin in the modes of welding and the like, and different extrusion pins can be replaced according to requirements; the limiting block can also be in threaded connection with the extrusion pin, and the position of the limiting block can be changed by rotating the limiting block.
The utility model discloses in the water-cooling head be the copper product matter, its water inlet and delivery port are connected with water cooling system respectively.
As a further improvement of the present invention, the surfaces of the first extrusion pin 5, the second extrusion pin 10 and the third extrusion pin 24 are provided with chromium-titanium-aluminum-nitrogen coatings.
During specific use, molten aluminum is injected into the casting mold 28 from the casting opening 18, after cooling, the oil cylinders of the horizontal extrusion mechanism 1 and/or the vertical extrusion mechanism 23 start to work, wherein each oil cylinder can be preset with different designed extrusion strokes, and 5 points are set for simultaneous extrusion or one point is set for independent extrusion according to actual requirements.
The product detection data shows that the leakage rate of the front cover of the automobile air conditioner compressor which is not extruded is as follows: 9.65 percent; the process of the utility model discloses extruded vehicle air conditioner compressor protecgulum leaks 0.09%, far surpasses product leakage target value 0.4%.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. A local extrusion device for a front cover of an automobile air conditioner compressor is characterized by comprising a horizontal extrusion mechanism (1), a vertical extrusion mechanism (23), a casting mold (28) and a water cooling system; the horizontal extrusion mechanism (1) comprises a horizontal frame (17), a first oil cylinder (2), a supporting plate (15), a second oil cylinder (3), a third oil cylinder (14), a first fixing sleeve (4), a second fixing sleeve (13), a first extrusion pin (5), a second extrusion pin (10), a first guide sleeve (7) and a second guide sleeve (11); the horizontal frame (17) is fixedly connected with the casting mould (28), and a piston rod of the first oil cylinder (2) is fixedly connected with the supporting plate (15); the second oil cylinder (3) and the third oil cylinder (14) are fixedly arranged on the supporting plate (15); one end of each of the first fixing sleeve (4) and the second fixing sleeve (13) is fixedly connected with the piston rods of the second oil cylinder (3) and the third oil cylinder (14), and the other end of each of the first fixing sleeve and the second fixing sleeve is detachably connected with the first extrusion pin (5) and the second extrusion pin (10); the first guide sleeve (7) and the second guide sleeve (11) are respectively inserted into a horizontal through hole formed in the side wall of the casting mold (28), and the first extrusion pin (5) and the second extrusion pin (10) are respectively inserted into the first guide sleeve (7) and the second guide sleeve (11); a first heat insulation sheet (8) is arranged between the first guide sleeve (7) and the side wall of the casting mould (28); a second heat insulation sheet (9) is arranged between the second guide sleeve (11) and the side wall of the casting mould (28); a first limiting block (6) is arranged on a first extrusion pin (5) between the first fixed sleeve (4) and the first guide sleeve (7); a second limiting block (12) is arranged on a second extrusion pin (10) between the second fixed sleeve (13) and the second guide sleeve (11); a first water cooling head (16) is arranged on the first oil cylinder (2); the vertical extrusion mechanism (23) comprises a vertical frame (19), a fourth oil cylinder (22), a third fixed sleeve (20), a third extrusion pin (24) and a third guide sleeve (26); the vertical frame (19) is fixedly connected with the casting mould (28); the fourth oil cylinder (22) is fixedly connected with the vertical frame (19); one end of the third fixing sleeve (20) is fixedly connected with a piston rod of the fourth oil cylinder (22), and the other end of the third fixing sleeve is detachably connected with the third extrusion pin (24); the third guide sleeve (26) is inserted into a vertical through hole formed in the top wall of the casting mold (28); the third extrusion pin (24) is inserted into the third guide sleeve (26), and a third heat insulation sheet (27) is arranged between the third guide sleeve (26) and the top wall of the casting mould (28); a third limiting block (25) is arranged on a third extrusion pin (24) between the third fixed sleeve (20) and the third guide sleeve (26); a second water cooling head (21) is arranged on the fourth oil cylinder (22); the water cooling system is respectively connected with the first water cooling head (16) and the second water cooling head (21).
2. The device for locally extruding the front cover of the automobile air-conditioning compressor as claimed in claim 1, wherein the surface of the first extruding pin (5) is provided with a chromium-titanium-aluminum-nitrogen coating.
3. The partial extrusion device for the front cover of the compressor of the automobile air conditioner as claimed in claim 1, wherein the surface of the second extrusion pin (10) has a chromium titanium aluminum nitrogen coating.
4. The device for partially extruding the front cover of the air conditioner compressor of the automobile as claimed in claim 1, wherein the surface of the third extruding pin (24) has a chromium titanium aluminum nitrogen coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023170446.9U CN214442945U (en) | 2020-12-25 | 2020-12-25 | Local extrusion device of vehicle air conditioner compressor protecgulum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023170446.9U CN214442945U (en) | 2020-12-25 | 2020-12-25 | Local extrusion device of vehicle air conditioner compressor protecgulum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214442945U true CN214442945U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023170446.9U Active CN214442945U (en) | 2020-12-25 | 2020-12-25 | Local extrusion device of vehicle air conditioner compressor protecgulum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214442945U (en) |
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2020
- 2020-12-25 CN CN202023170446.9U patent/CN214442945U/en active Active
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