Wet bag type cold isostatic pressing forming die

Abstract

The utility model provides a wet bag type cold isostatic pressing forming die, and belongs to the technical field of isostatic pressing. Comprising a vibration table and lifting mechanisms, a top seat is installed at the top end of the vibration table, an isostatic pressing die is placed in the top seat, the lifting mechanisms are arranged on the two sides of the vibration table, a connecting plate is installed between the lifting mechanisms, a through hole is formed in the center of the top end of the connecting plate, and the isostatic pressing die is sleeved with the through hole. The top end of the connecting plate is rotationally connected with a circular ring, and the top end of the circular ring is rotationally connected with a winding wheel. According to the wet bag type cold isostatic pressing forming mold, the isostatic pressing mold is assembled and then placed on the top base, the lifting mechanism drives the connecting plate to ascend and descend to the proper position, one end of a sealing belt is fixed to the mold body, the first motor drives the circular ring to rotate, the mold body is automatically and firmly wound by the sealing belt, manpower can be saved, and the production efficiency is improved. And in addition, the winding speed can be increased, the winding efficiency is improved, and practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of isostatic pressing, and in particular relates to a wet bag type cold isostatic pressing forming die. Background Art

[0002] The Chinese patent, application number 201920101206.1, discloses a wet bag type cold isostatic pressing mold, which is covered at both ends of the steel sleeve by two end covers, and the plugs on the two end covers are respectively inserted into the openings at both ends of the plastic sleeve. During the static pressing process, the static pressure medium will uniformly compress the plastic sleeve radially through the through hole, thereby compressing the metal powder in the inner cavity of the plastic sleeve. However, in this process, the metal powder in the inner cavity of the plastic sleeve will not be subjected to axial pressure, and the blank is not easy to bend and deform, thereby improving the molding accuracy and finished product quality of the slender bar blank;

[0003] When installing the isostatic pressing mold, the mold and the mold body need to be sealed, but the common sealing method is mostly to tie the mold body to the mold with sealing tape or steel wire. However, the above sealing method is more laborious and usually requires multiple workers to operate, which is time-consuming and labor-intensive, very inconvenient, and less practical. Utility Model Content

[0004] In order to solve the problem of inconvenience in quickly completing sealing in the above-mentioned prior art, the utility model provides a wet bag type cold isostatic pressing forming mold, which adopts a lifting mechanism in combination with a circular ring to achieve the effect of automatically tightening the sealing belt on the mold body through the rotation of the circular ring. The specific technical scheme is: a wet bag type cold isostatic pressing forming mold, comprising: a vibration table and a lifting mechanism, a top seat is installed at the top of the vibration table, an isostatic pressing mold is placed in the top seat, lifting mechanisms are arranged on both sides of the vibration table, a connecting plate is installed between the lifting mechanisms, a through hole is opened at the center of the top of the connecting plate, the through hole is sleeved on the outside of the isostatic pressing mold, the top of the connecting plate is rotatably connected to the circular ring, and the top of the circular ring is rotatably connected to the winding wheel.

[0005] Preferably, the isostatic pressing mold includes: a base, a mold, a mold body and a full-fit cover, the base is placed in the top seat, a raised platform structure is provided on the top of the base, the mold is fixedly installed at the center of the raised platform, the mold body is sleeved on the outer wall of the raised platform, the mold body is fitted with the outer wall of the raised platform, and a full-fit cover is placed between the mold and the mold body.

[0006] Preferably, the lifting mechanism comprises: a vertical slot body 1, a vertical slot body 2, a lead screw, a sliding rod, a slider 1 and a slider 2. The vertical slot body 1 and the vertical slot body 2 are respectively installed on both sides of the vibration table. The vertical slot body 1 is provided with a sliding slot 1 at one end close to the vibration table, and the vertical slot body 2 is provided with a sliding slot 2 at one end close to the vibration table. A lead screw is rotatably connected in the sliding slot 1, and the lead screw is arranged in a vertical direction. A slider 1 is threadedly mounted on the outer wall of the lead screw, and the slider 1 is slidably connected in the sliding slot 1; a sliding rod is fixedly installed in the sliding slot 2, and a slider 2 is slidably mounted on the outer wall of the sliding rod, and the slider 2 is slidably connected in the sliding slot 2.

[0007] Preferably, a second motor is installed at the top of the first vertical slot body, the bottom end of the lead screw is rotatably connected to the inner bottom wall of the first slide slot, the top end of the lead screw is rotatably extended out of the first vertical slot body, and the top end of the lead screw is connected to the second motor.

[0008] Preferably, a sealing tape is wound around the surface of the winding wheel.

[0009] Preferably, a plurality of threaded holes are equidistantly formed at the top of the base, a connecting chain is threadedly connected to the threaded holes, and a hanger is sleeved on the top of the plurality of connecting chains, and the hanger is located on the outside of the isostatic pressing mold.

[0010] In addition, the wet bag cold isostatic pressing mold in the above technical solution provided by the utility model may also have the following characteristics: the top end of the connecting plate is rectangular and is rotatably connected to four rotating shafts 1 and four rotating shafts 2 respectively; a transmission wheel is fixedly mounted on the outer wall of the rotating shaft 1, and the transmission wheel is fitted with the circular ring; an auxiliary wheel is fixedly mounted on the outer wall of the rotating shaft 2, and the auxiliary wheel is fitted with the circular ring; the distance between adjacent auxiliary wheels and the transmission wheel is the same; a support plate is installed at the bottom end of the connecting plate, and a motor 1 is fixedly installed on the side wall of the support plate; the bottom ends of the four rotating shafts 1 all rotate and extend over the connecting plate; a pulley is mounted on the bottom outer wall of the rotating shaft 1, and a transmission belt is installed between the four pulleys.

[0011] In the above technical solution, the motor 1 is connected to one of the rotating shafts 1.

[0012] The wet bag type cold isostatic pressing forming mold of the utility model has the following beneficial effects compared with the prior art: the wet bag type cold isostatic pressing forming mold is assembled and placed on a top seat, a connecting plate is driven to rise and fall to a suitable position by a lifting mechanism, one end of the sealing belt is fixed on the mold body, and a motor drives the circular ring to rotate so that the sealing belt automatically wraps the mold body firmly, which not only saves manpower, but also speeds up the winding speed and improves the winding efficiency, and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic diagram of the three-dimensional structure of a wet bag cold isostatic pressing mold provided by the utility model;

[0014] Figure 2 A cross-sectional schematic diagram of the lifting mechanism provided by the utility model;

[0015] Figure 3 A three-dimensional structural schematic diagram of the isostatic pressing die provided by the utility model;

[0016] Figure 4 A schematic diagram of the explosion structure of the isostatic pressing die provided by the utility model;

[0017] in, Figures 1 to 4 1. The reference numerals and component names are as follows: 1. vibration table; 2. top seat; 3. isostatic pressing mold; 4. lifting mechanism; 5. connecting plate; 6. through hole; 7. circular ring; 8. winding wheel; 9. threaded hole; 10. connecting chain; 11. hanger; 12. support plate; 13. motor 1; 14. rotating shaft 1; 15. transmission wheel; 16. rotating shaft 2; 17. auxiliary wheel; 18. pulley; 19. transmission belt; 31. base; 32. mold; 33. mold body; 34. full cover; 41. vertical trough body 1; 42. vertical trough body 2; 43. slide groove 1; 44. slide groove 2; 45. lead screw; 46. slide rod; 47. slider 1; 48. slider 2; 49. motor 2; 81. sealing belt. DETAILED DESCRIPTION

[0018] The following is a combination of specific implementation cases and attached Figure 1-Figure 4 The utility model is further explained, but the utility model is not limited to these embodiments. The utility model provides a technical solution: a wet bag type cold isostatic pressing molding mold, comprising: a vibration table 1 and a lifting mechanism 4, the vibration table 1 is installed on the ground, a top seat 2 is installed on the top of the vibration table 1, an isostatic pressing mold 3 is placed in the top seat 2, lifting mechanisms 4 are arranged on both sides of the vibration table 1, a connecting plate 5 is installed between the lifting mechanisms 4, a through hole 6 is opened at the center of the top of the connecting plate 5, the through hole 6 is sleeved on the outside of the isostatic pressing mold 3, the top of the connecting plate 5 is rotatably connected to a connecting shaft, a ring 7 is fixedly sleeved on the outer wall of the connecting shaft, and the top of the ring 7 is rotatably connected to a winding wheel 8.

[0019] As a preferred embodiment, further, the isostatic pressing mold 3 includes: a base 31, a mold 32, a mold body 33 and a full-close cover 34. The base 31 is placed in the top seat 2, and a raised platform structure is arranged on the top of the base 31. The mold 32 is fixedly installed at the center of the raised platform. The mold body 33 is sleeved on the outer wall of the raised platform. The mold body 33 is sleeved on the raised platform, and the mold body 33 is fitted with the outer wall of the raised platform. A full-close cover 34 is placed between the mold 32 and the mold body 33. The full-close cover 34 is covered on the material to press the material, and then a sealing cover is installed on the full-close cover 34 by bolts.

[0020] As a preferred solution, further, the lifting mechanism 4 includes: a vertical slot body 41, a vertical slot body 42, a lead screw 45, a slide rod 46, a slider 47 and a slider 48. The vertical slot body 41 and the vertical slot body 42 are respectively installed on both sides of the vibration table 1. The vertical slot body 41 and the vertical slot body 42 are both installed on the ground. The vertical slot body 41 and the vertical slot body 42 are not in contact with the vibration table 1. The vertical slot body 41 is provided with a slide groove 43 at one end close to the vibration table 1, and the vertical slot body 42 is provided with a slide groove 44 at one end close to the vibration table 1. The slide groove 43 rotates in the vertical slot body 43. A lead screw 45 is connected, and the lead screw 45 is arranged in the vertical direction. A slider 47 is threadedly mounted on the outer wall of the lead screw 45, and the slider 47 is slidably connected in the slide groove 1 43; a slide rod 46 is fixedly installed in the slide groove 2 44, and a slider 48 is slidably mounted on the outer wall of the slide rod 46, and the slider 48 is slidably connected in the slide groove 2 44; the slide groove 1 43 and the slide groove 2 44 are both rectangular grooves, and the slider 1 47 and the slider 2 48 are both rectangular block structures, the slider 1 47 is slidably fitted with the inner wall of the slide groove 1 43, and the slider 2 48 is slidably fitted with the inner wall of the slide groove 2 44.

[0021] As a preferred solution, further, a motor 2 49 is installed at the top of the vertical slot body 1 41 , the bottom end of the lead screw 45 is rotatably connected to the inner bottom wall of the slide slot 1 43 , the top end of the lead screw 45 is rotatably extended out of the vertical slot body 1 41 , and the top end of the lead screw 45 is connected to the motor 2 49 .

[0022] As a preferred solution, further, a sealing tape 81 is wound around the surface of the winding wheel 8, and the sealing tape 81 can be made of a structure such as an adhesive tape or a binding tape.

[0023] As a preferred solution, further, a plurality of threaded holes 9 are equidistantly provided at the top of the base 31, a connecting chain 10 is threadedly connected to the threaded hole 9, the bottom end of the connecting chain 10 is threadedly fixedly connected to the threaded hole 9, and a hanger 11 is sleeved on the top of the plurality of connecting chains 10, the hanger 11 is located on the outside of the isostatic pressing mold 3, and the hanger 11 is a circular frame.

[0024] As a preferred embodiment, further, the top of the connecting plate 5 is rectangular and rotatably connected with four rotating shafts 14 and four rotating shafts 2 16. A transmission wheel 15 is fixedly mounted on the outer wall of the rotating shaft 14, and the transmission wheel 15 is fitted with the circular ring 7. An auxiliary wheel 17 is fixedly mounted on the outer wall of the rotating shaft 2 16, and the auxiliary wheel 17 is fitted with the circular ring 7. The distance between adjacent auxiliary wheels 17 and the transmission wheel 15 is the same. A support plate 12 is installed at the bottom end of the connecting plate 5, and a motor 13 is fixedly mounted on the side wall of the support plate 12. The bottom ends of the four rotating shafts 14 are all rotatably extended through the connecting plate 5. A pulley 18 is mounted on the bottom outer wall of the rotating shaft 14, and a transmission belt 19 is installed between the four pulleys 18. The motor 13 is connected to a rotating shaft 14, and the pulley 18 and the transmission belt 19 are located below the connecting plate 5. The motor 13 is located on the outside of the vibration table 1, so that the motor 13 does not contact the vibration table 1 when it descends.

[0025] The vibration table, base, mold, mold body, full cover, motor 1 and motor 2 of this case are existing technologies. Motor 1 and motor 2 are three-phase motors. Motor 1 and motor 2 can rotate in both forward and reverse directions. As long as the vibration table, base, mold, mold body, full cover, motor 1 and motor 2 meet the requirements of this case, they can be any model and are not limited to a single model.

[0026] Working principle: the electrical components appearing in the present application are all connected to an external power supply and a control switch when in use. After the present invention is installed, first check the installation fixation and safety protection of the present invention, and then it can be used; when in use, apply a release agent on the surface of the mold 32, and then put the mold body 33 on the mold 32, and then put the mold 32 on the top seat 2, start the motor 2 49, the motor 2 49 drives the lead screw 45 to rotate, so that the lead screw 45 drives the slider 1 47 to move downward in the slide groove 1 43, and the slider 1 47 drives the connecting plate 5 and the slider 2 48 to move downward, so that the slider 2 48 slides downward on the surface of the slide rod 46, so that the through hole 6 of the connecting plate 5 is located in the mold 3 2 and the lower connection of the mold body 33, and then the user sticks the free end of the sealing tape 81 to the mold body 33, and starts the motor 13, the motor 13 drives a rotating shaft 14 to rotate, and the rotating shaft 14 drives the other three rotating shafts 14 to rotate synchronously through the pulley 18 and the transmission belt 19, and the rotating shaft 14 drives the transmission wheel 15 to rotate, so that the transmission wheel 15 drives the ring 7 to rotate, and the ring 7 drives the winding wheel 8 to rotate accordingly, so that the sealing tape 81 is wound around the mold body 33, and the connection between the mold 32 and the mold body 33 is tightly wound and sealed; then the user loads the material from the top opening of the mold 32 and the mold body 33, and turns on the vibration table 1 during the loading process to make the material in a uniform state. The mold body 33 is in a uniform state, and then the full cover 34 is covered between the mold 32 and the mold body 33, and the material is compacted by the full cover 34 and the vibration table 1 is closed; then the motor 2 49 is controlled to make the motor 2 49 drive the lead screw 45 to reverse, so that the lead screw 45 drives the slider 1 47 to move upward, so that the connecting plate 5 moves to a height flush with the full cover 34, and then the free end of the sealing belt 81 is bonded to the mold body 33, and the motor 13 is started. The motor 13 drives a rotating shaft 14 to rotate, and the rotating shaft 14 drives the other three rotating shafts 14 to rotate synchronously through the pulley 18 and the transmission belt 19, and the rotating shaft 14 drives the transmission wheel 15 to rotate, so that the transmission wheel 15 drives the ring 7 to rotate, The circular ring 7 drives the winding wheel 8 to rotate, so that the sealing tape 81 is wrapped around the mold body 33, and the mold body 33, the full cover 34 and the mold 32 are tightly fitted. After the isostatic pressing mold 3 is installed, the user removes the isostatic pressing mold 3 from the top seat 2, connects the connecting chain 10 with the threaded hole 9, and then puts the connecting chain 10 on the hanger 11. The hanger 11 and the isostatic pressing mold 3 are lifted by the crane, and the isostatic pressing mold 3 is placed in the high-pressure chamber. Then, the parameters are set and the equipment is operated, and then the fluid is replenished, the pressure is increased, the pressure is maintained and the pressure is reduced. After the pressurization is completed, the isostatic pressing mold 3 is taken out and wiped dry, and then the sealing tape 81 is removed to take out the mold body 33 and the full cover 34, and finally the pressed product is taken out.

[0027] In the description of the present invention, the term "plurality" refers to two or more than two. Unless otherwise clearly defined, the orientation or positional relationship indicated by the terms "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention. The terms "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A wet bag cold isostatic pressing mold, comprising: A vibration table (1) and a lifting mechanism (4), characterized in that a top seat (2) is installed at the top of the vibration table (1), an isostatic pressing mold (3) is placed in the top seat (2), lifting mechanisms (4) are arranged on both sides of the vibration table (1), a connecting plate (5) is installed between the lifting mechanisms (4), a through hole (6) is opened at the center of the top of the connecting plate (5), the through hole (6) is sleeved on the outside of the isostatic pressing mold (3), the top of the connecting plate (5) is rotatably connected to a ring (7), and the top of the ring (7) is rotatably connected to a winding wheel (8).

2. The wet bag cold isostatic pressing mold according to claim 1, characterized in that: The isostatic pressing mold (3) comprises: a base (31), a mold (32), a mold body (33) and a fully closed cover (34); the base (31) is placed inside the top seat (2); a raised platform structure is arranged at the top of the base (31); the mold (32) is fixedly mounted at the center of the raised platform; the mold body (33) is sleeved on the outer wall of the raised platform; the mold body (33) is fitted with the outer wall of the raised platform; and the fully closed cover (34) is placed between the mold (32) and the mold body (33).

3. The wet bag cold isostatic pressing mold according to claim 1, characterized in that: The lifting mechanism (4) comprises: a first vertical slot body (41), a second vertical slot body (42), a lead screw (45), a sliding rod (46), a first sliding block (47) and a second sliding block (48). The first vertical slot body (41) and the second vertical slot body (42) are respectively installed on both sides of the vibration table (1). The first vertical slot body (41) is provided with a first sliding groove (43) at one end close to the vibration table (1), and the second vertical slot body (42) is provided with a second sliding groove (44) at one end close to the vibration table (1). A lead screw (45) is rotatably connected in the first slide groove (43), and the lead screw (45) is arranged in the vertical direction. A slider (47) is threadedly sleeved on the outer wall of the lead screw (45), and the slider (47) is slidably connected in the first slide groove (43); a slide rod (46) is fixedly installed in the second slide groove (44), and a slider (48) is slidably sleeved on the outer wall of the slide rod (46), and the slider (48) is slidably connected in the second slide groove (44).

4. The wet bag cold isostatic pressing mold according to claim 3, characterized in that: A second motor (49) is installed at the top end of the first vertical slot body (41); the bottom end of the lead screw (45) is rotatably connected to the inner bottom wall of the first slide slot (43); the top end of the lead screw (45) is rotatably extended out of the first vertical slot body (41); and the top end of the lead screw (45) is connected to the second motor (49).

5. The wet bag cold isostatic pressing mold according to claim 1, characterized in that: A sealing tape (81) is wound around the surface of the winding wheel (8).

6. The wet bag cold isostatic pressing mold according to claim 2, characterized in that: A plurality of threaded holes (9) are equidistantly formed at the top of the base (31); a connecting chain (10) is connected to the inner thread of the threaded hole (9); a hanger (11) is sleeved on the top of each of the plurality of connecting chains (10); and the hanger (11) is located outside the isostatic pressing mold (3).

7. The wet bag cold isostatic pressing mold according to claim 1, characterized in that: The top of the connecting plate (5) is rectangular and is rotatably connected to four rotating shafts 1 (14) and four rotating shafts 2 (16). A transmission wheel (15) is fixedly mounted on the outer wall of the rotating shaft 1 (14), and the transmission wheel (15) is in close contact with the circular ring (7). An auxiliary wheel (17) is fixedly mounted on the outer wall of the rotating shaft 2 (16), and the auxiliary wheel (17) is in close contact with the circular ring (7). The distance between adjacent auxiliary wheels (17) and the transmission wheel (15) is the same. A support plate (12) is mounted on the bottom end of the connecting plate (5), and a motor 1 (13) is fixedly mounted on the side wall of the support plate (12). The bottom ends of the four rotating shafts 1 (14) are all rotatably extended through the connecting plate (5). A belt pulley (18) is mounted on the outer wall of the bottom of the rotating shaft 1 (14), and a transmission belt (19) is mounted between the four belt pulleys (18). The motor 1 (13) is connected to one rotating shaft 1 (14).

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