Compressor static plate clamp assembly

Abstract

The present application relates to the field of mechanical processing, and particularly relates to a compressor static disc clamp assembly; comprising a base assembly and a mounting plate assembly, the base assembly comprises a bottom plate and a plurality of base claw assemblies and a plurality of claw assemblies arranged on the bottom plate; the mounting plate assembly comprises a mounting plate and a plurality of positioning blocks, a plurality of pressing block assemblies, a plurality of sensing assemblies and at least one top rod assembly arranged on the mounting plate; the mounting plate is fixedly arranged on the bottom plate, the base claw assemblies and the claw assemblies are arranged around the mounting plate, and each base claw assembly and each claw assembly is provided with a positioning block in front; the compressor static disc clamp assembly adopting the scheme has the advantages of reducing equipment type reserves and reducing production and operation and maintenance costs.

Description

Technical Field

[0001] This invention relates to the field of machining, and specifically to a compressor stationary disc clamp assembly. Background Technology

[0002] Scroll compressors, with their advantages of compact structure, high energy efficiency, and low vibration and noise, are widely used in many fields such as air conditioning, refrigeration, and new energy equipment. The stationary scroll plate (referred to as the stationary plate) is the core precision component of the scroll compressor. Its machining accuracy and positioning stability directly determine the compressor's sealing performance, operating efficiency, and service life. Due to its special structure, the stationary plate requires extremely high machining accuracy for the scroll surface, end face, and mounting holes. In precision machining processes such as milling, drilling, and grinding, special fixtures are needed to achieve accurate positioning and reliable clamping to avoid offset and vibration during machining, ensuring product consistency and pass rate.

[0003] Currently, most fixture assemblies used in the industry for machining compressor stationary discs are one-piece fixed structures, designed and molded specifically for a single model of stationary disc workpiece. While these structures are highly integrated and functionally fixed, they cannot adapt to the machining needs of stationary discs of different specifications and sizes. With the iterative upgrades of compressor products, the compressor models on the market are becoming increasingly diverse, and the corresponding stationary disc workpieces exhibit differences in external dimensions, scroll parameters, positioning hole positions, and mounting structures. To meet the production and processing needs of multiple stationary disc models, under the existing production model, companies need to design and manufacture dedicated fixture assemblies separately for each model of stationary disc.

[0004] Existing integrated static tray fixtures have numerous defects and drawbacks in practical production applications. Firstly, the fixtures have extremely poor versatility. Dedicated fixtures can only adapt to a single workpiece model; processing different workpiece models requires replacing the entire fixture set. This results in very low equipment adaptability and an inability to meet the flexible production needs of multi-variety, small-batch production, severely restricting the versatility and adaptability of the production line. Secondly, the equipment investment cost is high. Customized production and procurement of multiple fixture models require significant investment, and the independent structures and non-interchangeable parts of various fixtures further exacerbate equipment consumables and manufacturing costs. Thirdly, equipment management and maintenance are difficult. Production workshops need to store a large number of specialized fixtures of different specifications, occupying substantial storage space. Furthermore, the inspection, maintenance, and spare parts replacement of multiple types of fixtures are cumbersome, significantly increasing the manpower and time costs of equipment operation and maintenance. Fourthly, production changeover efficiency is low. Changing products requires the complete disassembly and replacement of the entire fixture set, resulting in complex debugging processes and lengthy changeover times. This can easily cause production line downtime, reducing overall production cycle time and processing efficiency. Fourth, some components, such as chucks, even if they can be disassembled and reused, require re-centering for reuse, and each debugging requires a lot of time and manpower.

[0005] In summary, the existing compressor stationary plate clamp adopts an integrated and proprietary structure, which has technical pain points such as weak versatility, multiple equipment categories, high production costs, low changeover efficiency, and cumbersome operation and maintenance. It is difficult to adapt to the current production development needs of compressors with multiple models, large batches, and flexibility.

[0006] Therefore, there is an urgent need to develop a modular, quick-change, and highly versatile compressor stationary plate fixture assembly to address the many shortcomings of existing technologies, reduce the number of equipment types, lower production and maintenance costs, and improve production line adaptability and production efficiency. Summary of the Invention

[0007] The present invention aims to provide a compressor stationary disc clamp assembly that can reduce the number of equipment types in stock and lower production and maintenance costs.

[0008] A compressor stationary disc clamp assembly in this solution includes a base assembly and a mounting plate assembly. The base assembly includes a base plate and a plurality of base claw assemblies and a plurality of clamping claw assemblies disposed on the base plate. The mounting plate assembly includes a mounting plate and a plurality of positioning blocks, a plurality of pressure block assemblies, a plurality of sensing assemblies and at least one push rod assembly disposed on the mounting plate. The mounting plate is fixedly disposed on the base plate, and the base claw assemblies and the clamping claw assemblies are arranged around the perimeter of the mounting plate. A positioning block is provided in front of each base claw assembly and each clamping claw assembly.

[0009] Furthermore, the mounting plate includes a central connecting plate and four fan-shaped blades integrally formed along the circumference of the central connecting plate, with a hollow clearance groove formed between the four fan-shaped blades, and the base claw assembly and the claw assembly are disposed on the base plate at the position of the hollow clearance groove.

[0010] Furthermore, the base claw assembly includes a base claw base and a fixed claw. The bottom of the base claw base is fixedly mounted on the base plate, and a baffle is provided at one end of the top of the base claw base. The fixed claw is fixedly mounted on the top of the base claw base, and one end of the fixed claw abuts against the baffle.

[0011] Furthermore, the gripper assembly includes a connecting plate, a gripper cylinder, a slider, a slide table, a slide rail, and a movable gripper; the connecting plate is fixedly mounted on the base plate, the gripper cylinder is fixedly mounted on one end of the connecting plate via a side cylinder seat, the slide rail is fixedly mounted on the connecting plate, and the slide table is slidably mounted on the slide rail; the side end of the slider is fixedly connected to the piston rod of the gripper cylinder, the bottom of the slider is fixedly mounted on the slide table, and the movable gripper is mounted on the slider.

[0012] Furthermore, a positioning block is provided on the mounting plate in front of each of the base claw bases, and the upper end surface of the positioning block is lower than the clamping surface of the fixed claw.

[0013] Furthermore, the pressing block assembly includes a pressing block cylinder, a pressing rod, and a pressing rod bracket. One end of the pressing rod is rotatably connected to the piston rod of the pressing block cylinder, the middle part of the pressing rod is rotatably connected to the top end of the pressing rod bracket, the lower end of the pressing rod bracket is rotatably connected to the outer shell of the pressing block cylinder, and the other end of the pressing rod extends to a position above the top surface of the positioning block.

[0014] Furthermore, the push rod assembly includes a push rod cylinder and a push rod, the bottom of the push rod cylinder is fixedly mounted on the mounting plate, and the push rod is fixedly connected to the piston rod of the push rod cylinder.

[0015] Furthermore, the sensing component includes a fixed bracket and a contact displacement sensor, with the bottom of the fixed bracket disposed on the mounting plate and the contact displacement sensor disposed on the top of the fixed bracket.

[0016] Furthermore, there are two base claw assemblies and two claw assemblies, with the two base claw assemblies and the two claw assemblies respectively disposed in one of the hollow clearance grooves.

[0017] Furthermore, there are two pressure block assemblies, each disposed on a corresponding opposite sector blade; there are also two sensing assemblies, each disposed on a corresponding opposite sector blade.

[0018] The advantages of this invention are: the fixture assembly is divided into two modules, the base assembly and the mounting plate assembly. The base assembly serves as the basic clamping and support structure, clamping the stationary workpiece through several base claw assemblies and chuck assemblies. The mounting plate assembly can be customized according to different models of stationary workpieces. When a batch of the same model of parts is processed and the next batch of different models of the same size is to be replaced, only the mounting plate needs to be disassembled and the corresponding parts replaced, while the base assembly does not need to be disassembled and can be used directly without repositioning, saving manpower and time costs.

[0019] As the main structure for clamping parts, the hardware cost of the base assembly is in the tens of thousands of yuan. A factory may produce hundreds of different models of the same part. If the base assembly can be reused, it will not only save a lot of equipment costs, but also greatly reduce the difficulty of equipment management. Attached Figure Description

[0020] Figure 1 This is a perspective view of a compressor stationary disc clamp assembly according to the present invention; Figure 2 This is a schematic diagram of the working state of a compressor stationary disc clamp assembly according to the present invention; Figure 3This is a schematic diagram of the mounting plate in a compressor stationary disc clamp assembly according to the present invention; Figure 4 This is a schematic diagram of the base assembly in a compressor stationary disc clamp assembly according to the present invention.

[0021] Figure 5 This is a schematic diagram of the mounting plate assembly in the compressor stationary disc clamp assembly of the present invention. Detailed Implementation

[0022] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments: according to Figures 1 to 5 As shown, a compressor stationary disc clamp assembly includes a base assembly and a mounting plate assembly on a worktable 100. The base assembly includes a base plate 110 and several base claw assemblies 120 and several clamping claw assemblies 130 disposed on the base plate 110. The base plate 110 is fixedly mounted to the worktable 100 via through holes and screws. In this embodiment, there are two base claw assemblies 120 and two clamping claw assemblies 130.

[0023] The mounting plate assembly includes a mounting plate 210 and a plurality of positioning blocks 220, a plurality of pressure block assemblies 230, a plurality of sensing assemblies 240 and at least one push rod assembly 250 disposed on the mounting plate 210.

[0024] Mounting plate 210 is fixed to base plate 110 by mounting holes and screws. Base claw assembly 120 and claw assembly 130 are arranged around mounting plate 210. Each base claw assembly 120 and each claw assembly 130 is provided with a positioning block 220 in front of it.

[0025] See details Figure 3 As shown, the mounting plate 210 includes a central connecting plate 211 and four integrally formed fan-shaped blades 212 evenly distributed around the central connecting plate 211. A hollow clearance groove 213 is formed between the four fan-shaped blades 212. The base claw assembly 120 and the claw assembly 130 are disposed on the base plate 110 at the position of the hollow clearance groove 213.

[0026] In this embodiment, two base claw assemblies 120 and two claw assemblies 130 are respectively disposed in a hollow clearance groove 213. There are two pressure block assemblies 230, which are respectively disposed on opposite fan-shaped blades 212; there are two sensing assemblies 240, which are respectively disposed on opposite fan-shaped blades 212.

[0027] For details, see Figure 4As shown, the base claw assembly 120 includes a base claw base 121 and a fixed claw 122. The base claw base 121 is fixedly mounted on the base plate 110 at its bottom. A baffle 123 is provided at one end of the top of the base claw base 121. The fixed claw 122 is fixedly mounted on the top of the base claw base 121, and one end of the fixed claw 122 abuts against the baffle 123.

[0028] A positioning block 220 is provided on the mounting plate 210 in front of each base claw base 121. The upper end of the positioning block 220 is lower than the clamping surface of the fixed claw 122, and the lower end of the positioning block 220 is set across two adjacent fan-shaped blades 212.

[0029] See details Figure 4 As shown, the gripper assembly 130 includes a connecting plate 131, a gripper cylinder 132, a slider 133, a slide table 134, a slide rail 135, and a movable gripper 136. The connecting plate 131 is fixedly mounted on the base plate 110. The gripper cylinder 132 is fixedly mounted on one end of the connecting plate 131 via a side cylinder seat 137. The slide rail 135 is fixedly mounted on the connecting plate 131, and the slide table 134 is slidably mounted on the slide rail 135. The side end of the slider 133 is fixedly connected to the piston rod of the gripper cylinder 132, and the bottom of the slider 133 is fixedly mounted on the slide table 134. The movable gripper 136 is provided on the slider 133. In this embodiment, a limiter 138 is provided on the connecting plate 131 near the end of the slide rail 135 close to the gripper cylinder 132.

[0030] See details Figure 5 As shown, the pressing block assembly 230 includes a pressing block cylinder 231, a pressing rod 232, and a pressing rod bracket 233. One end of the pressing rod 232 is rotatably connected to the piston rod of the pressing block cylinder 231, the middle part of the pressing rod 232 is rotatably connected to the top end of the pressing rod bracket 233, the lower end of the pressing rod bracket 233 is rotatably connected to the outer shell of the pressing block cylinder 231, and the other end of the pressing rod 232 extends above the top surface of a nearby positioning block 220.

[0031] See details Figure 5 As shown, the push rod assembly 250 includes a push rod cylinder 251 and a push rod 252. The bottom of the push rod cylinder 251 is fixedly mounted on the mounting plate 210, and the push rod 252 is fixedly connected to the piston rod of the push rod cylinder 251.

[0032] See details Figure 5 As shown, the sensing component 240 includes a fixed bracket 241 and a contact displacement sensor 242. The bottom of the fixed bracket 241 is mounted on the mounting plate 210, and the contact displacement sensor 242 is mounted on the top of the fixed bracket 241. The contact displacement sensor 242 is an M8 threaded high-precision contact position sensor.

[0033] See details Figure 2As shown, during operation, the stationary disk 1 is placed at the center of the fixture assembly and supported by the upper surfaces of four positioning blocks 220. The stationary disk 1 jaw assembly 130, together with the base jaw assembly 120, fixes the radial position of the stationary disk 1. The pressure block assembly 230, together with the positioning blocks 220, restricts the axial direction of the stationary disk 1. The push rod assembly 250, inserted into the side hole of the stationary disk 1, restricts the rotational freedom of the stationary disk 1. After the fixture assembly fixes the stationary disk 1, subsequent machining processes such as drilling and grinding can be performed.

[0034] The above descriptions are merely embodiments of the present invention, and common knowledge regarding specific structures and characteristics in the solutions is not described in detail here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the structure of the present invention, and these should also be considered within the scope of protection of the present invention. These modifications and improvements will not affect the effectiveness of the implementation of the present invention or the practicality of the patent.

Claims

1. A compressor stationary disc clamp assembly, characterized in that, include: A base assembly, the base assembly including a base plate (110) and a plurality of base claw assemblies (120) and a plurality of claw assemblies (130) disposed on the base plate (110). A mounting plate assembly, the mounting plate assembly including a mounting plate (210) and a plurality of positioning blocks (220), a plurality of pressure block assemblies (230), a plurality of sensing assemblies (240) and at least one push rod assembly (250) disposed on the mounting plate (210). The mounting plate (210) is fixedly mounted on the base plate (110). The base claw assembly (120) and the claw assembly (130) are arranged around the mounting plate (210). A positioning block (220) is provided in front of each base claw assembly (120) and each claw assembly (130).

2. The compressor stationary disc clamp assembly according to claim 1, characterized in that: The mounting plate (210) includes a central connecting plate (211) and four fan-shaped blades (212) integrally formed along the circumference of the central connecting plate (211). A hollow clearance groove (213) is formed between the four fan-shaped blades (212). The base claw assembly (120) and the claw assembly (130) are disposed on the base plate (110) at the position of the hollow clearance groove (213).

3. A compressor stationary disc clamp assembly according to claim 1 or 2, characterized in that: The base claw assembly (120) includes a base claw base (121) and a fixed claw (122). The base claw base (121) is fixedly mounted on the base plate (110) at its bottom. A baffle (123) is provided at one end of the top of the base claw base (121). The fixed claw (122) is fixedly mounted on the top of the base claw base (121). One end of the fixed claw (122) abuts against the baffle (123).

4. A compressor stationary disc clamp assembly according to claim 1 or 2, characterized in that: The claw assembly (130) includes a connecting plate (131), a claw cylinder (132), a slider (133), a slide table (134), a slide rail (135), and a movable claw (136). The connecting plate (131) is fixedly mounted on the base plate (110). The claw cylinder (132) is fixedly mounted on one end of the connecting plate (131) via a side cylinder seat (137). The slide rail (135) is fixedly mounted on the connecting plate (131). The slide table (134) is slidably mounted on the slide rail (135). The side end of the slider (133) is fixedly connected to the piston rod of the claw cylinder (132). The bottom of the slider (133) is fixedly mounted on the slide table (134). The movable claw (136) is mounted on the slider (133).

5. A compressor stationary disc clamp assembly according to claim 3, characterized in that: A positioning block (220) is provided on the mounting plate (210) in front of each of the base claw bases (121), and the upper end surface of the positioning block (220) is lower than the clamping surface of the fixed claw (122).

6. A compressor stationary disc clamp assembly according to claim 3, characterized in that: The pressing block assembly (230) includes a pressing block cylinder (231), a pressing rod (232), and a pressing rod bracket (233). One end of the pressing rod (232) is rotatably connected to the piston rod of the pressing block cylinder (231). The middle part of the pressing rod (232) is rotatably connected to the top end of the pressing rod bracket (233). The lower end of the pressing rod bracket (233) is rotatably connected to the outer shell of the pressing block cylinder (231). The other end of the pressing rod (232) extends to the top surface of a nearby positioning block (220).

7. A compressor stationary disc clamp assembly according to claim 1 or 2, characterized in that: The push rod assembly (250) includes a push rod cylinder (251) and a push rod (252). The bottom of the push rod cylinder (251) is fixedly mounted on the mounting plate (210), and the push rod (252) is fixedly connected to the piston rod of the push rod cylinder (251).

8. A compressor stationary disc clamp assembly according to claim 1 or 2, characterized in that: The sensing component (240) includes a fixed bracket (241) and a contact displacement sensor (242). The bottom of the fixed bracket (241) is disposed on the mounting plate (210), and the top of the fixed bracket (241) is provided with the contact displacement sensor (242).

9. A compressor stationary disc clamp assembly according to claim 2, characterized in that: There are two base claw assemblies (120) and two claw assemblies (130). The two base claw assemblies (120) and the two claw assemblies (130) are respectively disposed in a hollow clearance groove (213).

10. A compressor stationary disc clamp assembly according to claim 1, characterized in that: There are two pressure block assemblies (230), and the two pressure block assemblies (230) are respectively disposed on the opposite fan-shaped blades (212); there are two sensing assemblies (240), and the two sensing assemblies (240) are respectively disposed on the opposite fan-shaped blades (212).

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