Cold isostatic press

Abstract

The invention relates to the technical field of static pressing machines, and discloses a cold isostatic pressing machine which comprises a bottom plate and a static pressing machine body, a supporting table is fixedly installed on one side of the top of the bottom plate, two vertical rods are symmetrically and fixedly connected to the top of the supporting table, and the tops of the two vertical rods are fixedly connected with the same transverse plate; a lifting mechanism is arranged on one side of the lower portion of the transverse plate, a containing mechanism is arranged at the top of the supporting table, the lifting mechanism comprises an electric push rod and a positioning unit, the electric push rod can slide below the transverse plate, the hook and the top tray are positioned and lifted through the positioning unit, the lifting stability is improved, and the lifting efficiency is improved. And the positioning unit comprises a connecting plate fixedly installed at the bottom of the telescopic end of the electric push rod, two sliding rods are symmetrically, vertically and slidably connected into the connecting plate, and the problems that according to an existing lifting hook lifting structure, a product possibly shakes during lifting and placing, and the lifting stability and the lifting and placing efficiency are affected are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of hydrostatic presses, and particularly to a cold isostatic press. Background Art

[0002] A cold isostatic press is a device that places materials loaded into a sealed and elastic mold in a container filled with liquid or gas, applies a certain pressure to the materials with the liquid or gas, presses the materials into a solid body to obtain a blank with the original shape. When operating on a hydrostatic press, a fixing frame is needed to limit the position of the product, which is convenient for loading and unloading hoisting and also convenient for limiting the position of the product, making the product stable during processing. In the prior art, most use two parallelly distributed fixing plates, and a plurality of vertical bars are arranged at the edges of the fixing plates for blocking. The positioning effect is relatively average. Moreover, the existing structure for hoisting by a hook has poor stability in hoisting the product, and the product may shake during hoisting and placement, thus affecting the hoisting stability and the efficiency of hoisting and placement.

[0003] For example, a vertical cold isostatic press with the publication number CN214563198U includes a bottom plate, a support plate is welded to the top of the bottom plate, a top plate is fixedly installed on the top of the support plate, a roller plate is attached to the front surface of the bottom plate, an installation plate is fixedly installed on the top of the roller plate, an electric telescopic rod is fixedly installed on the top of the installation plate, a roller shell is fixedly installed on the top of the electric telescopic rod, first bearings are fixedly installed on both sides of the inner wall of the roller shell, and a connecting plate is threadedly connected to the top of the top plate through a fixing bolt. The roller plate can be first attached to the front surface of the bottom plate, and then the high-pressure container is placed on the top of the roller. Then, the high-pressure container is pushed, so that the high-pressure container slides on the top of the roller, and the outer surface of the roller is attached to the outer surface of the high-pressure container. When the high-pressure container is pushed forward, the first bearing inside the rotating rod inside the roller rotates. However, the existing structure for hoisting by a hook has poor stability in hoisting the product, and the product may shake during hoisting and placement, thus affecting the hoisting stability and the efficiency of hoisting and placement. Moreover, the device uses two parallelly distributed fixing plates, and a plurality of vertical bars are arranged at the edges of the fixing plates for blocking, and the positioning effect on the product is relatively average.

[0004] Therefore, a cold isostatic press is proposed to solve the above-mentioned problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a cold isostatic press to solve the problems that in the existing structure for hoisting by a hook, the product may shake during hoisting and placement, affecting the hoisting stability and the efficiency of hoisting and placement, and the device has a relatively average effect on limiting the placement of the product.

[0006] To achieve the above object, the present invention provides the following technical solution: A cold isostatic press, including a bottom plate and a main body of the isostatic press. One side of the top of the bottom plate is fixedly installed with a support platform, and two vertical rods are symmetrically and fixedly connected to the top of the support platform. The tops of the two vertical rods are fixedly connected to the same cross plate; It further includes: One side below the cross plate is provided with a hoisting mechanism, and the top of the support platform is provided with a placing mechanism; The hoisting mechanism includes an electric push rod and a positioning unit. The electric push rod can slide below the cross plate, and the hook and the top plate are positioned and hoisted through the positioning unit, improving the stability of hoisting; The positioning unit includes a connecting plate fixedly installed at the bottom of the telescopic end of the electric push rod. Two sliding rods are symmetrically and vertically slidably connected inside the connecting plate. The tops of the two sliding rods are fixedly connected to the same fixed frame. A first spring is sleeved on the outer side of the sliding rod. The bottom end of the sliding rod is fixedly connected to a pressing plate. An inner rod is slidably installed in the middle of the bottom of the connecting plate, and the bottom end of the inner rod is fixedly connected to a hook; A main gear and an inner winding sleeve are symmetrically rotatably installed at the bottom of the connecting plate, and a driven gear and an outer winding sleeve are also symmetrically rotatably installed at the bottom of the connecting plate. The main gear is meshed with the driven gear. The diameter of the inner winding sleeve is smaller than the diameter of the outer winding sleeve. An inner pulling rope is wound around the outer side of the inner winding sleeve, and an outer pulling rope is wound around the outer side of the outer winding sleeve. The inner pulling rope is fixedly connected to the inner rod, and the outer pulling rope is fixedly connected to the sliding rod.

[0007] Preferably, the first spring is located between the connecting plate and the fixed frame. The fixed frame is slidably connected to the telescopic end of the electric push rod. The two ends of the first spring are respectively fixedly connected to the connecting plate and the fixed frame. A sliding groove is vertically opened inside the connecting plate, and the inner rod is slidably connected to the sliding groove.

[0008] By adopting the above technical solution, when hoisting the hook, the two pressing plates are pressed against the top of the top plate, so as to facilitate the limit of the top plate, reduce the subsequent shaking and instability of the top plate during hoisting, and facilitate the accurate placement and processing of products.

[0009] Preferably, inner vertical plates are symmetrically and fixedly connected to the bottom of the connecting plate. A rotating shaft one is rotatably installed between two adjacent inner vertical plates. The main gear and the inner winding sleeve are both fixedly installed on the outer side of the rotating shaft one. A first torsion spring is also sleeved and fixed on the outer side of the rotating shaft one. The two ends of the first torsion spring are respectively fixedly connected to the inner winding sleeve and the inner vertical plate. Each rotating shaft one corresponds to two inner vertical plates.

[0010] By adopting the above technical solution, when the hook receives the downward pulling force of the hook, the hook descends, the hook drives the inner rod and the inner pulling rope to descend, and the inner pulling rope pulls the inner winding sleeve to rotate, realizing that the inner winding sleeve drives the rotating shaft one and the main gear to rotate.

[0011] Preferably, outer vertical plates are symmetrically and fixedly installed at the bottom of the connecting plate. A second rotating shaft is rotatably installed between two adjacent outer vertical plates. Both the driven gear and the outer winding sleeve are fixedly connected to the second rotating shaft. The driven gear and the main gear have the same diameter. A second winding spring is sleeved on the outer side of the second rotating shaft. The second winding spring is fixedly installed between the second rotating shaft and the outer winding sleeve. A guide rod is also fixedly connected to the bottom of the connecting plate. The total number of the inner pulling ropes and the outer pulling ropes is the same as the total number of the guide rods. Two inner winding sleeves and two outer winding sleeves are symmetrically arranged. The elastic coefficients of the first winding spring and the second winding spring are both greater than that of the first spring.

[0012] By adopting the above technical solution, the main gear drives the driven gear and the second rotating shaft to rotate. The second rotating shaft drives the outer winding sleeve to rotate. The outer winding sleeve acts on the second winding spring, which is convenient for the outer winding sleeve to pay out the outer pulling rope.

[0013] Preferably, the hoisting mechanism further includes symmetrically arranged fixing plates. A driving motor is fixedly installed on one side of the right fixing plate close to the static press body. The output end of the driving motor passes through the right fixing plate and is fixedly connected to a lead screw part.

[0014] By adopting the above technical solution, the driving motor drives the lead screw part to rotate, which is convenient for adjusting the horizontal position of the moving seat.

[0015] Preferably, the lead screw part is rotatably connected to the fixing plate. A moving seat is threadedly connected to the outer side of the lead screw part. A top groove is formed on one side of the bottom of the cross plate. The moving seat is slidably connected to the top groove. The electric push rod is fixedly installed at the bottom of the moving seat.

[0016] By adopting the above technical solution, the top groove is used to limit the moving seat and maintain the stable horizontal movement of the moving seat.

[0017] Preferably, the placing mechanism includes a chassis and a back plate fixedly installed on the top of the chassis. A top plate is fixedly connected to the top of the back plate. A hook is fixedly connected to the top of the top plate. A housing is installed on one side of the front of the back plate. Magnetic strips are fixedly installed on the sides of the back plate and the housing close to each other. Strip-shaped grooves are formed on the outer sides of the back plate and the housing.

[0018] By adopting the above technical solution, the housing fits with the back plate and is adsorbed and fixed by the magnetic strips at the joint. Strip-shaped grooves are evenly formed on the outer sides of the back plate and the housing, which is convenient for the subsequent pressure forming of the product.

[0019] Preferably, sliding rods are symmetrically and slidably connected inside the top plate. A pressing block is fixedly connected to the bottom of the sliding rod. A second spring is sleeved outside the sliding rod. The top end of the second spring is fixedly connected to the bottom of the top plate, and the bottom end of the second spring is fixedly connected to the pressing block. Placement seats are symmetrically and vertically slidably installed inside the bottom plate, and the placement seats are connected to the bottom plate through auxiliary springs.

[0020] By adopting the above technical solution, when the pressing plate descends, it will compress the sliding rod. The sliding rod stretches the second spring and drives the pressing block to descend, so that the pressing block cooperates with the placement seat to fix and limit the product.

[0021] Preferably, a fixing frame is fixedly connected to one side of the back surface of the top of the bottom plate. A pressing screw rod is rotatably connected to the middle of the top of the fixing frame. A turntable is fixedly connected to the top of the pressing screw rod, and a pressing plate is fixedly connected to the bottom of the pressing screw rod.

[0022] By adopting the above technical solution, during subsequent processing, the operator rotates the turntable. The turntable drives the pressing screw rod to rotate and descend. The pressing screw rod drives the pressing plate to descend, facilitating the pressing and positioning of the pressing plate.

[0023] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. A hoisting mechanism is provided. When processing a product, the operator first places the product inside the back plate, starts the electric push rod and the drive motor to work. The drive motor drives the screw rod part to rotate, facilitating the horizontal position adjustment of the moving seat. The telescopic end of the electric push rod descends to drive the connecting plate to descend, hooks the lifting hook with the hanging hook. At this time, the electric push rod drives the connecting plate to rise and reset. The lifting hook receives the downward pulling force of the hanging hook, causing the lifting hook to descend. The lifting hook drives the inner rod and the inner pulling rope to descend. The inner pulling rope pulls the inner winding sleeve to rotate. The inner winding sleeve drives the first rotating shaft and the main gear to rotate, and the inner winding sleeve acts on the first winding spring. The main gear drives the driven gear and the second rotating shaft to rotate. The second rotating shaft drives the outer winding sleeve to rotate. The outer winding sleeve acts on the second winding spring. The outer winding sleeve pays out the outer pulling rope. The guide rod guides the inner pulling rope and the outer pulling rope. The elastic force of the first spring drives the fixed frame and the sliding rod to descend. The sliding rod drives the pressing plate to descend. The elastic coefficients of the second winding spring and the first winding spring are greater than that of the first spring, so that the first spring is initially in a compressed state. And the diameter size of the outer winding sleeve is greater than that of the inner winding sleeve. At the same time, the descending distance of the pressing plate is greater than the descending distance of the lifting hook. When the pressing plate descends, it will compress the sliding rod. The sliding rod stretches the second spring and drives the pressing block to descend, so that the pressing block cooperates with the placement seat to fix and limit the product, thus facilitating the subsequent stable hoisting of the product until the two pressing plates are pressed against the top of the top plate, thereby facilitating the limiting of the top plate, reducing the shaking and instability of the subsequent hoisting of the top plate, and facilitating the precise placement and processing of the product, solving the problem that in the existing hoisting structure of the lifting hook, the product may shake during hoisting and placement, affecting the hoisting stability and the efficiency of hoisting and placement. 2. A placing mechanism is provided. When placing a product, an operator pulls the housing, separating the housing from the back plate, places the product on the top of the placing seat, then fits the housing and the back plate together, and fixes them by magnetic strips at the connection. Strip-shaped grooves are evenly formed on the outer sides of the back plate and the housing, facilitating subsequent pressure forming of the product. The placing seat is slidably installed on the chassis through an auxiliary spring, facilitating positioning of the product in cooperation with the pressing block. When the hook and the lifting hook are separated subsequently, the elastic force of the second spring drives the pressing block and the sliding rod to reset, facilitating placing and using the product next time, and improving the convenience of limiting and fixing the product and taking it. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a schematic diagram of the first three-dimensional overall structure of the present invention; Figure 2 is a schematic diagram of the second three-dimensional overall structure of the present invention; Figure 3 is a schematic diagram of the working state of the main body of the hydraulic press of the present invention; Figure 4 is a schematic diagram of the installation structure of the driving motor of the present invention; Figure 5 For the present invention Figure 4 is an enlarged schematic diagram of part A in; Figure 6 For the present invention Figure 4 is an enlarged schematic diagram of part B in; Figure 7 is a schematic diagram of the top groove opening of the present invention; Figure 8 is an exploded schematic diagram of the installation structure of the connecting plate of the present invention; Figure 9 is a schematic diagram of the sectional structure of the fixed frame of the present invention; Figure 10 For the present invention Figure 9 is an enlarged schematic diagram of part C in; Figure 11 is a schematic diagram of the installation structure of the main gear and the driven gear of the present invention; Figure 12 is a schematic diagram of the housing being moved out of the present invention; Figure 13 is a schematic diagram of the hoisting state of the present invention.

[0025] In the figure: 1, bottom plate; 2, static press main body; 3, support table; 4, vertical rod; 5, horizontal plate; 6, hoisting mechanism; 61, fixing plate; 62, driving motor; 63, lead screw part; 64, moving seat; 65, top groove; 66, electric push rod; 67, connecting plate; 68, sliding rod; 69, fixing frame; 610, first spring; 611, pressing plate; 612, sliding groove; 613, inner rod; 614, hook; 615, inner vertical plate; 616, first rotating shaft; 617, main gear; 618, inner winding sleeve; 619, inner pulling rope; 620, first winding spring; 621, guiding rod; 622, outer vertical plate; 623, second rotating shaft; 624, driven gear; 625, outer winding sleeve; 626, outer pulling rope; 627, second winding spring; 7, placing mechanism; 71, chassis; 72, back plate; 73, top plate; 74, hook; 75, housing; 76, sliding rod; 77, pressing block; 78, second spring; 79, placing seat; 8, fixing frame; 9, turntable; 10, pressing lead screw; 11, pressing plate. Detailed implementation manner

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] Please refer to Figures 1 - 13 , the present invention provides a technical solution: a cold isostatic press, including a bottom plate 1 and a static press main body 2. One side of the top of the bottom plate 1 is fixedly installed with a support table 3. Two vertical rods 4 are symmetrically and fixedly connected to the top of the support table 3. The tops of the two vertical rods 4 are fixedly connected to the same horizontal plate 5.

[0028] A hoisting mechanism 6 is arranged on one side below the horizontal plate 5. The hoisting mechanism 6 includes an electric push rod 66 and a positioning unit. The electric push rod 66 can slide below the horizontal plate 5. The hook 74 and the top plate 73 are positioned and hoisted through the positioning unit, improving the stability of hoisting.

[0029] The hoisting mechanism 6 further includes symmetrically arranged fixing plates 61. A driving motor 62 is fixedly installed on one side of the right fixing plate 61 close to the static press main body 2. The output end of the driving motor 62 passes through the right fixing plate 61 and is fixedly connected to a lead screw part 63.

[0030] The lead screw part 63 is rotatably connected to the fixing plate 61. A moving seat 64 is threadedly connected to the outside of the lead screw part 63. A top groove 65 is opened on one side of the bottom of the horizontal plate 5. The moving seat 64 is slidably connected to the top groove 65. The electric push rod 66 is fixedly installed on the bottom of the moving seat 64.

[0031] The positioning unit includes a connecting plate 67 fixedly installed at the bottom of the telescopic end of the electric push rod 66. Two sliding rods 68 are symmetrically and vertically slidably connected inside the connecting plate 67. The tops of the two sliding rods 68 are fixedly connected to the same fixed frame 69. A first spring 610 is sleeved on the outer side of the sliding rod 68. The bottom end of the sliding rod 68 is fixedly connected to a pressing plate 611. An inner rod 613 is slidably installed in the middle of the bottom of the connecting plate 67. The bottom end of the inner rod 613 is fixedly connected to a hook 614.

[0032] The first spring 610 is located between the connecting plate 67 and the fixed frame 69. The fixed frame 69 is slidably connected to the telescopic end of the electric push rod 66. The two ends of the first spring 610 are respectively fixedly connected to the connecting plate 67 and the fixed frame 69. A sliding groove 612 is vertically opened inside the connecting plate 67. The inner rod 613 is slidably connected to the sliding groove 612.

[0033] The main gear 617 and the inner winding sleeve 618 are symmetrically and rotatably installed at the bottom of the connecting plate 67. And the slave gear 624 and the outer winding sleeve 625 are also symmetrically and rotatably installed at the bottom of the connecting plate 67. The main gear 617 is meshed with the slave gear 624. The diameter of the inner winding sleeve 618 is smaller than that of the outer winding sleeve 625. An inner pulling rope 619 is wound around the outer side of the inner winding sleeve 618. An outer pulling rope 626 is wound around the outer side of the outer winding sleeve 625. The inner pulling rope 619 is fixedly connected to the inner rod 613. The outer pulling rope 626 is fixedly connected to the sliding rod 68.

[0034] The inner vertical plates 615 are symmetrically and fixedly connected to the bottom of the connecting plate 67. A first rotating shaft 616 is rotatably installed between two adjacent inner vertical plates 615. The main gear 617 and the inner winding sleeve 618 are both fixedly installed on the outer side of the first rotating shaft 616. A first winding spring 620 is also sleeved on the outer side of the first rotating shaft 616. The two ends of the first winding spring 620 are respectively fixedly connected to the inner winding sleeve 618 and the inner vertical plate 615. Each first rotating shaft 616 corresponds to two inner vertical plates 615.

[0035] The outer vertical plates 622 are symmetrically and fixedly installed at the bottom of the connecting plate 67. A second rotating shaft 623 is rotatably installed between two adjacent outer vertical plates 622. The slave gear 624 and the outer winding sleeve 625 are both fixedly connected to the second rotating shaft 623. The diameters of the slave gear 624 and the main gear 617 are the same. A second winding spring 627 is sleeved on the outer side of the second rotating shaft 623. The second winding spring 627 is fixedly installed between the second rotating shaft 623 and the outer winding sleeve 625. The guiding rod 621 is also fixedly connected to the bottom of the connecting plate 67. The total number of the inner pulling ropes 619 and the outer pulling ropes 626 is the same as the total number of the guiding rods 621. There are two inner winding sleeves 618 and two outer winding sleeves 625 which are symmetrically arranged. The elastic coefficients of the first winding spring 620 and the second winding spring 627 are both greater than that of the first spring 610.

[0036] Example 1: As Figures 1 - 11As shown, the operator first places the product inside the back plate 72, starts the electric push rod 66 and the drive motor 62 to work. The telescopic end of the electric push rod 66 descends to drive the connecting plate 67 to descend, hooks the hook 614 with the hanging hook 74. At this time, the electric push rod 66 drives the connecting plate 67 to rise and reset. The hook 614 is subjected to the downward pulling force of the hanging hook 74, causing the hook 614 to descend. The hook 614 drives the inner rod 613 and the inner pull rope 619 to descend. The inner pull rope 619 pulls the inner winding sleeve 618 to rotate, and the inner winding sleeve 618 drives the rotating shaft one 616 and the main gear 617 to rotate.

[0037] Moreover, the inner winding sleeve 618 acts on the first coil spring 620. The main gear 617 drives the driven gear 624 and the rotating shaft two 623 to rotate. The rotating shaft two 623 drives the outer winding sleeve 625 to rotate. The outer winding sleeve 625 acts on the second coil spring 627. The outer winding sleeve 625 pays out the outer pull rope 626. The guide rod 621 guides the inner pull rope 619 and the outer pull rope 626. The elastic force of the first spring 610 drives the fixed frame 69 and the sliding rod 68 to descend. The sliding rod 68 drives the pressing plate 611 to descend. The elastic coefficients of the second coil spring 627 and the first coil spring 620 are greater than that of the first spring 610, making the first spring 610 in a compressed state initially. And the diameter size of the outer winding sleeve 625 is greater than the diameter size of the inner winding sleeve 618, so that at the same time, the descending distance of the pressing plate 611 is greater than the descending distance of the hook 614.

[0038] The descending of the pressing plate 611 will compress the sliding rod 76. The sliding rod 76 stretches the second spring 78 and drives the pressing block 77 to descend, so that the pressing block 77 cooperates with the placing seat 79 to fix and limit the product, thus facilitating the subsequent stable lifting of the product until the two pressing plates 611 are pressed against the top of the top plate 73, thus facilitating the limiting of the top plate 73 and reducing the shaking and instability of the top plate 73 during subsequent lifting.

[0039] A placing mechanism 7 is arranged on the top of the support table 3. The placing mechanism 7 includes a chassis 71 and a back plate 72 fixedly installed on the top of the chassis 71. The top of the back plate 72 is fixedly connected with a top plate 73. The top of the top plate 73 is fixedly connected with a hanging hook 74. One side of the front of the back plate 72 is provided with a housing 75. Magnetic strips are fixedly installed on the sides of the back plate 72 and the housing 75 close to each other. Strip-shaped grooves are opened on the outer sides of the back plate 72 and the housing 75.

[0040] The inside of the top plate 73 is symmetrically and slidably connected with sliding rods 76. The bottom of the sliding rods 76 is fixedly connected with pressing blocks 77. The outer sides of the sliding rods 76 are sleeved with second springs 78. The top ends of the second springs 78 are fixedly connected with the bottom of the top plate 73. The bottom of the second springs 78 is fixedly connected with the pressing blocks 77. The inside of the chassis 71 is symmetrically and vertically slidably installed with placing seats 79. The placing seats 79 are connected with the chassis 71 through auxiliary springs.

[0041] On one side of the back of the top of the bottom plate 1, a fixing frame 8 is fixedly connected. In the middle of the top of the fixing frame 8, a pressing screw rod 10 is rotatably connected. At the top of the pressing screw rod 10, a turntable 9 is fixedly connected. At the bottom of the pressing screw rod 10, a pressing plate 11 is fixedly connected.

[0042] Embodiment 2: As Figure 4 and Figures 12 - 13 shown, when placing the product, the operator pulls the housing 75 to separate the housing 75 from the back plate 72, places the product on the top of the placing seat 79, then fits the housing 75 with the back plate 72 and fixes it by adsorption of the magnetic strip at the connection. Strip-shaped grooves are evenly arranged on the outer sides of the back plate 72 and the housing 75, which is convenient for the subsequent pressure forming of the product. The placing seat 79 is slidably installed with the chassis 71 through an auxiliary spring, which is convenient for positioning the product in cooperation with the pressing block 77. When the hook 74 is separated from the hanging hook 614 subsequently, the elastic force of the spring two 78 drives the pressing block 77 and the sliding rod 76 to reset, which is convenient for the next placement and use of the product, and improves the convenience of limiting and fixing the product and taking it.

[0043] Working principle: When using this device, first, as Figures 1 - 13 shown, the operator places the product on the top of the placing seat 79. The placing seat 79 is convenient for positioning the product in cooperation with the pressing block 77. Then, the electric push rod 66 and the drive motor 62 are started to work. The telescopic end of the electric push rod 66 descends to drive the connecting plate 67 to descend, hooks the hanging hook 614 with the hook 74. At this time, the electric push rod 66 drives the connecting plate 67 to rise and reset. The hanging hook 614 is subjected to the downward pulling force of the hook 74, so that the hanging hook 614 descends. The hanging hook 614 drives the inner rod 613 and the inner pulling rope 619 to descend. The inner pulling rope 619 pulls the inner winding sleeve 618 to rotate. The inner winding sleeve 618 drives the rotating shaft one 616 and the main gear 617 to rotate. The main gear 617 drives the driven gear 624 and the rotating shaft two 623 to rotate. The rotating shaft two 623 drives the outer winding sleeve 625 to rotate. The outer winding sleeve 625 acts on the coil spring two 627, and the outer winding sleeve 625 pays out the outer pulling rope 626. The elastic force of the spring one 610 drives the fixed frame 69 and the sliding rod 68 to descend. The sliding rod 68 drives the pressing plate 611 to descend. The elastic coefficients of the coil spring two 627 and the coil spring one 620 are greater than that of the spring one 610, so that the spring one 610 is initially in a compressed state. The descending distance of the pressing plate 611 is greater than the descending distance of the hanging hook 614. The descending of the pressing plate 611 will compress the sliding rod 76. The sliding rod 76 stretches the spring two 78 and drives the pressing block 77 to descend, so that the pressing block 77 cooperates with the placing seat 79 to fix and limit the product until the two pressing plates 611 are pressed against the top of the top plate 73, thus facilitating the limiting of the top plate 73 and reducing the shaking and instability of the subsequent hoisting of the top plate 73.

[0044] The content not described in detail in this specification belongs to the prior art well known to those skilled in the art.

[0045] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A cold isostatic press, comprising a bottom plate (1) and a main body of the isostatic press (2). On one side of the top of the bottom plate (1), a support platform (3) is fixedly installed. On the top of the support platform (3), two vertical rods (4) are symmetrically and fixedly connected. At the top of the two vertical rods (4), the same cross plate (5) is fixedly connected; It is characterized in that It further comprises: On one side below the cross plate (5), a lifting mechanism (6) is provided. On the top of the support platform (3), a placing mechanism (7) is provided; The lifting mechanism (6) comprises an electric push rod (66) and a positioning unit. The electric push rod (66) can slide below the cross plate (5). The hook (74) and the top plate (73) are positioned and lifted through the positioning unit, improving the stability of lifting; The positioning unit comprises a connecting plate (67) fixedly installed at the bottom of the telescopic end of the electric push rod (66). Inside the connecting plate (67), two sliding rods (68) are symmetrically and vertically slidably connected. At the top of the two sliding rods (68), the same fixed frame (69) is fixedly connected. A first spring (610) is sleeved on the outer side of the sliding rod (68). The bottom end of the sliding rod (68) is fixedly connected with a pressing plate (611). In the middle of the bottom of the connecting plate (67), an inner rod (613) is slidably installed. The bottom end of the inner rod (613) is fixedly connected with a lifting hook (614); On the bottom of the connecting plate (67), a main gear (617) and an inner winding sleeve (618) are symmetrically rotatably installed. On the bottom of the connecting plate (67), a driven gear (624) and an outer winding sleeve (625) are also symmetrically rotatably installed. The main gear (617) is meshed with the driven gear (624). The diameter of the inner winding sleeve (618) is smaller than the diameter of the outer winding sleeve (625). An inner pulling rope (619) is wound on the outer side of the inner winding sleeve (618). An outer pulling rope (626) is wound on the outer side of the outer winding sleeve (625). The inner pulling rope (619) is fixedly connected with the inner rod (613). The outer pulling rope (626) is fixedly connected with the sliding rod (68).

2. The cold isostatic press according to claim 1, characterized in that: The first spring (610) is located between the connecting plate (67) and the fixed frame (69). The fixed frame (69) is slidably connected with the telescopic end of the electric push rod (66). The two ends of the first spring (610) are respectively fixedly connected with the connecting plate (67) and the fixed frame (69). A sliding groove (612) is vertically opened inside the connecting plate (67). The inner rod (613) is slidably connected with the sliding groove (612).

3. The cold isostatic press according to claim 2, characterized in that: On the bottom of the connecting plate (67), inner vertical plates (615) are symmetrically and fixedly connected. Between two adjacent inner vertical plates (615), a first rotating shaft (616) is rotatably installed. The main gear (617) and the inner winding sleeve (618) are both fixedly installed on the outer side of the first rotating shaft (616). A first torsion spring (620) is also sleeved and fixed on the outer side of the first rotating shaft (616). The two ends of the first torsion spring (620) are respectively fixedly connected with the inner winding sleeve (618) and the inner vertical plate (615). Each first rotating shaft (616) corresponds to two inner vertical plates (615).

4. The cold isostatic press according to claim 3, characterized in that: The bottom of the connecting plate (67) is symmetrically and fixedly installed with outer vertical plates (622). A second rotating shaft (623) is rotatably installed between two adjacent outer vertical plates (622). Both the driven gear (624) and the outer winding sleeve (625) are fixedly connected to the second rotating shaft (623). The driven gear (624) and the main gear (617) have the same diameter size. A second torsion spring (627) is sleeved on the outer side of the second rotating shaft (623). The second torsion spring (627) is fixedly installed between the second rotating shaft (623) and the outer winding sleeve (625). The bottom of the connecting plate (67) is also fixedly connected with a guide rod (621). The total number of the inner pull ropes (619) and the outer pull ropes (626) is the same as the total number of the guide rods (621). Two inner winding sleeves (618) and two outer winding sleeves (625) are symmetrically arranged. The elastic coefficients of the first torsion spring (620) and the second torsion spring (627) are both greater than that of the first spring (610).

5. The cold isostatic press according to claim 1, characterized in that: The lifting mechanism (6) further includes symmetrically arranged fixing plates (61). A driving motor (62) is fixedly installed on the side of the right fixing plate (61) close to the static press main body (2). The output end of the driving motor (62) passes through the right fixing plate (61) and is fixedly connected with a lead screw part (63).

6. The cold isostatic press according to claim 5, characterized in that: The lead screw part (63) is rotatably connected with the fixing plate (61). A moving seat (64) is threadedly connected to the outer side of the lead screw part (63). A top groove (65) is formed in one side of the bottom of the cross plate (5). The moving seat (64) is slidably connected with the top groove (65). An electric push rod (66) is fixedly installed on the bottom of the moving seat (64).

7. A cold isostatic press according to claim 1, characterized in that: The placing mechanism (7) includes a chassis (71) and a back plate (72) fixedly installed on the top of the chassis (71). The top of the back plate (72) is fixedly connected with a top plate (73). The top of the top plate (73) is fixedly connected with a hook (74). A housing (75) is installed on one side of the front of the back plate (72). Magnetic strips are fixedly installed on the sides of the back plate (72) and the housing (75) close to each other. Strip-shaped grooves are formed on the outer sides of the back plate (72) and the housing (75).

8. A cold isostatic press according to claim 7, characterized in that: Two sliding rods (76) are symmetrically and slidably connected inside the top plate (73). A pressing block (77) is fixedly connected to the bottom of the sliding rod (76). A second spring (78) is sleeved on the outer side of the sliding rod (76). The top end of the second spring (78) is fixedly connected to the bottom of the top plate (73). The bottom end of the second spring (78) is fixedly connected to the pressing block (77). Two placing seats (79) are symmetrically and vertically slidably installed inside the chassis (71). The placing seats (79) are connected to the chassis (71) through auxiliary springs.

9. The cold isostatic press according to claim 1, characterized in that: A fixing frame (8) is fixedly connected to one side of the back of the top of the bottom plate (1). A pressing lead screw (10) is rotatably connected to the middle of the top of the fixing frame (8). A turntable (9) is fixedly connected to the top of the pressing lead screw (10). A pressing plate (11) is fixedly connected to the bottom of the pressing lead screw (10).

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