Maintenance platform for piston of cubic press

Abstract

The utility model discloses a cubic press piston maintenance platform which comprises a base, a fixed frame fixedly assembled on the top of the base, a movable frame assembled in the fixed frame and connected with the fixed frame in a sliding mode, an open groove formed in the top of the movable frame, a positioning assembly fixedly assembled on the top of the movable frame and a mounting frame fixedly assembled on the top of the fixed frame. A hydraulic ejector rod is fixedly assembled in the mounting frame, and a piston rod collecting mechanism is fixedly assembled on the top of the base. When the working oil cylinder needs to be hoisted and positioned, the movable frame is moved out of the fixed frame, so that the working oil cylinder can be easily hoisted to the top of the movable table and is limited and fixed through the positioning assembly, and then the position of the working oil cylinder corresponds to the position of the hydraulic ejector rod through retraction of the movable frame; and the hydraulic ejector rod is controlled to eject the piston out of the working oil cylinder, so that follow-up maintenance and replacement treatment are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of six-sided top presses, in particular to a six-sided top press piston maintenance platform. Background Art

[0002] The six-sided top press is the most widely used large-cavity press in China. This type of press has the advantages of strong self-centering, low cost, and easy operation. It is the main equipment for synthesizing superhard materials such as diamond and cubic boron nitride in China. In order to ensure the stability of the ejection pressure in the six directions during the use of the six-sided top press, the piston in its working cylinder needs to be regularly inspected and maintained. Most of the existing maintenance platforms for inspecting the pistons are equipped with a hydraulic ejector rod on the top to eject the piston in the working cylinder. Since the hydraulic ejector rod is set at the top, it is inconvenient to lift the working cylinder into the platform, and the lifting process of the working cylinder is time-consuming and labor-intensive. To this end, we propose a six-sided top press piston maintenance platform. Utility Model Content

[0003] The utility model aims to provide a six-sided top press piston maintenance platform to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a six-sided top press piston maintenance platform, comprising a base, a fixed frame fixedly assembled on the top of the base, a movable frame slidably connected thereto is assembled inside the fixed frame, an open groove is opened on the top of the movable frame, a positioning assembly is fixedly assembled on the top of the movable frame, a mounting frame is fixedly assembled on the top of the fixed frame, a hydraulic ejector rod is fixedly assembled inside the mounting frame, and a piston collecting mechanism is fixedly assembled on the top of the base.

[0005] Preferably, the fixing frame includes a side plate, which is fixedly mounted on the top of the base, an oil storage cavity is opened in the side plate, one side wall of the side plate is fixedly mounted with an oil inlet pipe connected to the oil storage cavity, and the other side wall of the side plate is fixedly mounted with an oil storage cylinder connected to the oil storage cavity.

[0006] Preferably, the mobile frame includes a mobile frame body, a connecting plate is integrally formed on the side wall of the mobile frame body, a connecting shaft is fixedly connected to the side wall of the connecting plate, the connecting shaft is inserted into the oil storage cylinder, and a piston is fixedly connected to the end of the connecting shaft.

[0007] Preferably, the positioning assembly includes a first positioning block and a second positioning block, each of the first positioning blocks is grouped together and symmetrically distributed left and right with the center of the opening slot, and each of the second positioning blocks is grouped together and symmetrically distributed front and back with the center of the opening slot.

[0008] Preferably, the piston collecting mechanism includes a collecting rack body, a collecting groove is opened in the middle of the collecting rack body, a partition net is fixedly installed in the collecting groove, a supporting assembly is fixedly installed between the collecting rack body and the base, a waste liquid collecting cylinder is fixedly installed on the top of the base through a supporting shaft, the bottom of the collecting rack body is inserted into the waste liquid collecting cylinder, and the bottom of the waste liquid collecting cylinder is fixedly connected to a drain pipe.

[0009] Preferably, the support assembly includes a fixed shaft, which is fixedly mounted on the top of the base, a telescopic shaft is mounted inside the fixed shaft, the top of the telescopic shaft is fixedly connected to the collection rack body, and a spring is fixedly mounted between the telescopic shaft and the fixed shaft.

[0010] Compared with the prior art, the beneficial effects of the utility model are: a six-sided top press piston maintenance platform, compared with the traditional maintenance platform, by setting a fixed frame and a mobile frame that can move relatively, when the working cylinder needs to be hoisted and positioned, the mobile frame is moved out of the fixed frame, so that the working cylinder can be easily hoisted to the top of the mobile platform and fixed by the positioning component, and then the position of the working cylinder is made to correspond to the position of the hydraulic ejector rod by retracting the mobile frame, and the piston is ejected from the working cylinder by controlling the hydraulic ejector rod, which is convenient for subsequent maintenance and replacement processing, and the piston collection mechanism can collect and process the piston and the waste hydraulic oil discharged during the piston ejection process, avoiding the splashing of hydraulic oil to the surrounding environment during the piston ejection process, and improving the cleanliness of the working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional diagram of the utility model.

[0012] Figure 2 It is a structural schematic diagram of the fixed frame and the movable frame of the utility model.

[0013] Figure 3 It is a structural schematic diagram of the piston collecting mechanism of the utility model.

[0014] Figure 4 It is a structural schematic diagram of the handle frame of the piston collection mechanism of the utility model.

[0015] Figure 5 It is a schematic diagram of the structure of the utility model after the mobile frame is moved out.

[0016] In the figure: 1. base; 2. universal wheel; 3. fixed frame; 31. side plate; 32. oil storage chamber; 33. oil inlet pipe; 34. oil storage cylinder; 4. mobile frame; 41. mobile frame body; 42. connecting plate; 43. connecting shaft; 44. piston; 5. mounting frame; 6. opening slot; 7. positioning assembly; 71. first positioning block; 72. second positioning block; 73. reinforcing block; 8. hydraulic ejector rod; 9. piston collecting mechanism; 91. collecting frame body; 92. collecting tank; 93. partition net; 94. supporting shaft; 95. waste liquid collecting cylinder; 96. drain pipe; 97. handle frame; 10. supporting assembly; 101. fixed shaft; 102. telescopic shaft; 103. spring. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0018] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The utility model provides a technical solution: a six-sided top press piston maintenance platform, including a base 1, the four corners of the bottom of the base 1 are fixedly equipped with universal wheels 2, the universal wheels 2 are universal wheels with a self-locking structure, and the universal wheels 2 are arranged to facilitate the movement of the base 1 so that the maintenance platform can be close to the six-sided top press that needs to be repaired and maintained. The surface of the base 1 is integrally formed with a fixed frame 3, and the fixed frame 3 is equipped with a moving frame 4 slidably connected thereto, and the top of the fixed frame 3 is fixedly equipped with a mounting frame 5, and the surface of the moving frame 4 An opening groove 6 is provided, and a positioning assembly 7 is fixedly installed on the surface of the mobile frame 4. The positioning assembly 7 is used to position the cylinder body in the six-sided top press that needs to overhaul the piston. The piston fixed in the cylinder body of the mobile frame 4 is ejected by the hydraulic ejector rod 8 fixedly installed in the mounting frame 5, which facilitates the disassembly and overhaul of the piston in the cylinder body. The hydraulic ejector rod 8 is connected to an external hydraulic oil supply system, and the action of the output end of the hydraulic ejector rod 8 is controlled by inputting and outputting the hydraulic oil in the hydraulic ejector rod 8.

[0019] A piston collecting mechanism 9 is fixedly mounted on the surface of the base 1, and the piston falling off from the cylinder body is collected by the piston collecting mechanism 9, and the oil in the cylinder body during the piston falling off process is collected and processed to prevent the oil from polluting the surrounding environment.

[0020] like Figure 2As shown in the figure, the fixed frame 3 includes a side plate 31, the side plate 31 is fixedly assembled on the surface of the base 1, an oil storage chamber 32 is opened in the side plate 31, one side wall of the side plate 31 is fixedly assembled with an oil inlet pipe 33 connected to the oil storage chamber 32, and the other side wall of the side plate 31 is fixedly assembled with an oil storage cylinder 34 connected to the oil storage chamber 32. The mobile frame 4 includes a mobile frame body 41, and the positioning assembly 7 is welded and fixed to the surface of the mobile frame body 41. The side wall of the mobile frame body 41 is integrally formed with a connecting plate 42, and the side wall of the connecting plate 42 is fixed A connecting shaft 43 is connected, and the connecting shaft 43 passes through the oil storage cylinder 34. The end of the connecting shaft 43 is fixedly connected to a piston 44. The oil inlet pipe 33 is used to connect to an external hydraulic oil supply system. After the hydraulic oil is input into the oil storage chamber 32 and the oil storage cylinder 34 through the oil inlet pipe 33, the piston 44 can push the connecting shaft 43 to move, thereby adjusting the position of the movable frame 4. By arranging a movable frame 4 that can be moved out of the fixed frame 3, it is convenient to lift the cylinder body of the six-sided top press into the movable frame 4 for clamping and fixing.

[0021] The positioning assembly 7 includes a first positioning block 71 and a second positioning block 72. Each of the first positioning blocks 71 forms a group and is symmetrically distributed left and right at the center of the opening groove 6. The second positioning blocks 72 form a group of two and are symmetrically distributed front and rear at the center of the opening groove 6. Through the mutual cooperation of the first positioning block 71 and the second positioning block 72, the cylinder body of the six-sided top press located on the top of the movable frame 4 is positioned. The side walls of the first positioning block 71 and the second positioning block 72 are respectively welded and fixed with reinforcement blocks 73. The reinforcement blocks 73 are provided to increase the stability of the fixed positions of the first positioning block 71 and the second positioning block 72, so as to avoid deformation of the first positioning block 71 and the second positioning block 72 when the piston in the cylinder body is ejected.

[0022] like Figure 4 As shown in the figure, the piston collecting mechanism 9 includes a collecting frame body 91, a collecting groove 92 penetrating the collecting frame body 91 is integrally formed in the middle of the collecting frame body 91, a partition net 93 is fixedly installed in the collecting groove 92, and a supporting assembly 10 is fixedly installed between the four corners of the collecting frame body 91 and the base 1. The collecting frame body 91 is supported by the provided supporting assembly 10, and the distance between the collecting frame body 91 and the opening groove 6 is reduced, so that the splashing of the waste oil to the surrounding environment during the ejection process of the piston can be reduced, ensuring that the waste oil can be completely introduced into the collecting groove 92, and the piston and the oil are filtered through the partition net 93;

[0023] The surface of the base 1 is fixedly equipped with a waste liquid collection cylinder 95 through a support shaft 94. The bottom of the collection frame body 91 is inserted into the waste liquid collection cylinder 95 and is slidably connected to the waste liquid collection cylinder 95. The waste liquid collection cylinder 95 is provided to collect the waste oil filtered out of the collection frame body 91. The bottom of the waste liquid collection cylinder 95 is fixedly connected to a drain pipe 96 connected to its inner cavity. The drain pipe 96 is used to connect to an external waste oil recovery pipeline, and the waste oil is transported through the drain pipe 96.

[0024] A handle frame 97 is welded and fixed to the side wall of the collection rack body 91 . The handle frame 97 is provided to facilitate pulling the collection rack body 91 downward, thereby facilitating the removal of the piston in the collection rack body 91 .

[0025] like Figure 4 As shown in the figure, the support assembly 10 includes a fixed shaft 101, which is fixedly connected to the surface of the base 1. A telescopic shaft 102 is installed in the fixed shaft 101. The top of the telescopic shaft 102 is fixedly connected to the bottom of the collection rack body 91. A spring 103 is fixedly installed between the bottom of the telescopic shaft 102 and the fixed shaft 101. The elastic force generated by the spring 103 on the telescopic shaft 102 makes the collection rack body 91 and the opening groove 6 approach each other.

[0026] Working principle: Figure 5 As shown in the figure, during the use of the maintenance platform, the maintenance platform is first moved to the vicinity of the six-sided top press by the universal wheel 2, and then the hydraulic oil is supplied to the oil storage chamber 32 and the oil storage cylinder 34 by the external hydraulic oil supply system, so that the mobile frame 4 is moved out from the fixed frame 3. At this time, the cylinder body of the six-sided top press can be hoisted to the top of the mobile frame 4 by the external hoisting equipment. After the cylinder body is fixed in the positioning assembly 7, the mobile frame 4 is reset, so that the cylinder body corresponds to the position of the hydraulic ejector rod 8. By controlling the hydraulic The output end of the ejection rod 8 moves downward, and the piston in the cylinder body is ejected into the collecting rack body 91 below. The piston and the waste hydraulic oil leaked during the piston ejection process can be filtered through the partition net 93 in the collecting rack body 91, and the waste hydraulic oil is discharged outward through the waste liquid collection cylinder 95 and the drain pipe 96. Then, the collecting rack body 91 is pulled downward by the handle frame 97, and the disassembled piston can be taken out from the collecting rack body 91, which is convenient for the subsequent inspection and replacement of the piston in the cylinder body of the six-sided press.

Claims

1. A six-sided top press piston maintenance platform, comprising a base (1), characterized in that: The top of the base (1) is fixedly equipped with a fixed frame (3), the fixed frame (3) is equipped with a movable frame (4) slidably connected thereto, the top of the movable frame (4) is provided with an opening groove (6), the top of the movable frame (4) is fixedly equipped with a positioning assembly (7), the top of the fixed frame (3) is fixedly equipped with a mounting frame (5), the mounting frame (5) is fixedly equipped with a hydraulic ejector rod (8), and the top of the base (1) is fixedly equipped with a piston collection mechanism (9).

2. The six-sided top press piston maintenance platform according to claim 1 is characterized by: The fixing frame (3) comprises a side plate (31), the side plate (31) being fixedly mounted on the top of the base (1), an oil storage chamber (32) being provided in the side plate (31), an oil inlet pipe (33) being fixedly mounted on one side wall of the side plate (31) and being connected to the oil storage chamber (32), and an oil storage cylinder (34) being fixedly mounted on the other side wall of the side plate (31) and being connected to the oil storage chamber (32).

3. The six-sided top press piston maintenance platform according to claim 1 is characterized by: The mobile frame (4) comprises a mobile frame body (41), the side wall of the mobile frame body (41) is integrally formed with a connecting plate (42), the side wall of the connecting plate (42) is fixedly connected with a connecting shaft (43), the connecting shaft (43) is inserted into an oil storage cylinder (34), and the end of the connecting shaft (43) is fixedly connected with a piston (44).

4. The six-sided top press piston maintenance platform according to claim 1 is characterized by: The positioning assembly (7) comprises a first positioning block (71) and a second positioning block (72), wherein each of the first positioning blocks (71) forms a group and is symmetrically distributed left and right at the center of the opening slot (6), and each of the second positioning blocks (72) forms a group and is symmetrically distributed front and back at the center of the opening slot (6).

5. The six-sided top press piston maintenance platform according to claim 1 is characterized by: The piston collecting mechanism (9) comprises a collecting rack body (91), a collecting groove (92) is provided in the middle of the collecting rack body (91), a partition net (93) is fixedly installed in the collecting groove (92), a supporting assembly (10) is fixedly installed between the collecting rack body (91) and the base (1), a waste liquid collecting cylinder (95) is fixedly installed on the top of the base (1) via a supporting shaft (94), the bottom of the collecting rack body (91) is inserted into the waste liquid collecting cylinder (95), and the bottom of the waste liquid collecting cylinder (95) is fixedly connected to a drain pipe (96).

6. The six-sided top press piston maintenance platform according to claim 5 is characterized by: The support assembly (10) includes a fixed shaft (101), which is fixedly assembled on the top of the base (1), and a telescopic shaft (102) is assembled inside the fixed shaft (101). The top of the telescopic shaft (102) is fixedly connected to the collection rack body (91), and a spring (103) is fixedly assembled between the telescopic shaft (102) and the fixed shaft (101).

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