Clamp for detecting scroll plate
By designing a fixture for vortex disk inspection and using a combination of negative pressure adsorption and limiting blocks, the problem of positional displacement of the vortex disk during the inspection process was solved, achieving rapid and accurate positioning of the vortex disk and improving inspection accuracy.
Patent Information
- Application Number
- CN202423207993.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-25
AI Technical Summary
The vortex disk is prone to positional shift during the detection process, leading to inaccurate detection results.
A fixture for testing a scroll plate was designed, including a carrier plate and a limiting mechanism. Through the combination of negative pressure adsorption and limiting blocks, the scroll plate can be quickly positioned and stabilized, adapting to scroll plates of different specifications.
It enables rapid and accurate positioning of the scroll plate, improves the detection accuracy and efficiency of the detection equipment, and prevents the scroll plate from rotating or shifting position during the detection process.
Smart Images
Figure CN223656833U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of fixture technology, and in particular relates to a fixture for vortex disk detection. Background Technology
[0002] The moving and stationary scrolls in a scroll compressor, also known as scroll plates, are the core components of the compressor. Inside the compressor, the two scroll plates achieve efficient compression by meshing with each other. This meshing mechanism requires extremely high manufacturing precision for the scroll plates.
[0003] To ensure the machining accuracy of scroll plates, the industry widely adopts advanced CNC machining centers for production. After the scroll plates are machined, their dimensions need to be inspected. However, when the inspection equipment inspects the scroll plates, the scroll plates are prone to positional shifts, which leads to inaccurate inspection results. Utility Model Content
[0004] The main technical problem solved by this utility model is to provide a fixture for detecting a scroll plate, which enables rapid positioning of the scroll plate and facilitates subsequent detection of the scroll plate by detection equipment.
[0005] To solve the above-mentioned technical problems, the present invention adopts a technical solution as follows: a vortex disk detection fixture, comprising a carrier plate for positioning the vortex disk and a limiting mechanism installed on the carrier plate. The vortex disk includes vortex blades, a hub, and a vortex body. The vortex blades and the hub are respectively located on opposite sides of the vortex body. The carrier plate is provided with positioning holes corresponding to the hub. The carrier plate has a plurality of air grooves and a plurality of air holes. The plurality of air grooves are arranged circumferentially along the positioning holes. The air grooves and the vortex body form an air cavity. The air grooves correspond one-to-one with the air holes, and the air grooves and air holes are connected. The air holes are connected to air pipes, and the air pipes are connected to a negative pressure pump. The air grooves are subjected to negative pressure by the negative pressure pump, which adsorbs the vortex disk, thereby achieving rapid positioning and facilitating subsequent detection of the vortex disk by detection equipment.
[0006] The limiting mechanism includes two mounting blocks and two limiting blocks. The two limiting blocks are respectively mounted on the mounting blocks, and the mounting blocks are fixed to the carrier plate. The vortex body extends outward to form a protrusion, and the two limiting blocks are respectively located on both sides of the protrusion to prevent the vortex disk from rotating.
[0007] Furthermore, the limiting block is rotatably connected to the adjusting bolt, which is threadedly connected to the mounting block. Rotating the adjusting bolt adjusts the distance between the two limiting blocks, thereby accommodating different types and specifications of scroll plates.
[0008] Furthermore, the limiting block is provided with a guide slope.
[0009] Further, a sealing ring is mounted on the outer periphery of the air groove, and the sealing ring is located on the surface of the carrier plate.
[0010] Further, the air pipe comprises a gas main pipe and a plurality of gas branch pipes, the air holes are communicated with the gas branch pipes, the gas branch pipes are communicated with the gas main pipe, and the gas main pipe is communicated with the negative pressure pump.
[0011] Further, the carrier plate is vertically arranged, the carrier plate is fixed to the base, and the base and the carrier plate are fixed with the L-shaped reinforcing member respectively.
[0012] Further, a pressing block is further included, the pressing block is threadedly connected with a pressing bolt, and the pressing bolt is mounted on the carrier plate.
[0013] Further, the pressing block is threadedly connected with a limiting bolt, and the end of the limiting bolt is located between the pressing block and the carrier plate, so that the pressing block is limited by the limiting bolt to prevent the pressing block from damaging the scroll disc.
[0014] The utility model discloses the beneficial effect has at least the following several points:
[0015] The carrier plate is provided with a positioning hole corresponding to the hub portion, the carrier plate is provided with a plurality of air grooves and a plurality of air holes, the air groove and the scroll body form an air cavity, the air groove is one-to-one corresponding with the air hole, and the air groove is communicated with the air hole, the air hole is communicated with the air pipe, and the air pipe is communicated with the negative pressure pump.
[0016] The limiting block is rotatably connected with the adjusting bolt, the adjusting bolt is threadedly connected with the mounting block, and the distance between the two limiting blocks is adjusted by rotating the adjusting bolt, so that the scroll disc of different types and specifications can be adapted.
[0017] The pressing block is threadedly connected with the pressing bolt, the pressing bolt is mounted on the carrier plate, the pressing block is pressed on the convex portion or the scroll body by rotating the pressing block, and the stability of the scroll disc positioning is further improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the structure schematic diagram of the clamp of the embodiment one of the utility model;
[0019] Figure 2 is a structural schematic view of the scroll disc of the utility model;
[0020] Figure 3 is a structural schematic view of embodiment two of the utility model;
[0021] Figure 4 is a structural schematic view of the utility model Figure 3 is an enlarged view of A of the utility model
[0022] Figure 5 is an enlarged view of B of the utility model Figure 3
[0023] Figure 6 is a connection schematic view of the negative pressure pump and the air pipe of the utility model;
[0024] The marks of various parts in the drawing are as follows:
[0025] 1, scroll disc; 11, scroll blade; 12, hub; 13, scroll body; 14, convex part; 2, carrier plate; 21, positioning hole; 22, air groove; 221, sealing ring; 23, air hole; 3, limiting mechanism; 31, mounting block; 32, limiting block; 321, guide inclined surface; 33, adjusting bolt; 4, negative pressure pump; 41, gas main pipe; 42, gas branch pipe; 5, base; 51, reinforcing part; 61, pressing block; 62, pressing bolt; 63, limiting bolt. DETAILED DESCRIPTION
[0026] The preferred embodiments of the utility model are described in detail below in combination with the drawings, so that the advantages and features of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined.
[0027] Embodiment one: a kind of scroll disc detection clamp, as shown in Figure Figure 1 , including the carrier plate 2 for positioning scroll disc 1 and the limiting mechanism 3 installed in the carrier plate 2, as shown in Figure Figure 2 , the scroll disc 1 includes scroll blade 11, hub 12 and scroll body 13, the scroll blade 11 and hub 12 are located at the opposite sides of the scroll body 13 respectively, the carrier plate 2 is equipped with the positioning hole 21 corresponding with the hub 12, the carrier plate 2 has several air grooves 22 and several air holes 23, several air grooves 22 are arranged along the circumferential direction of positioning hole 21, the air groove 22 forms air chamber with the scroll body 13, the air groove 22 and the air hole 23 are one-to-one correspondence, and air groove 22 and air hole 23 are communicated, the air hole 23 is communicated with air pipe, the air pipe is communicated with negative pressure pump 4;
[0028] as shown in Figure Figure 4 As shown, the limiting mechanism 3 comprises two mounting blocks 31 and two limiting blocks 32, the two limiting blocks 32 are respectively installed on the mounting blocks 31, the mounting blocks 31 are fixed on the carrier plate 2, the scroll body 13 extends outward to form a protruding part 14, and the two limiting blocks 32 are respectively located on the two sides of the protruding part 14 to prevent the scroll disc 1 from rotating.
[0029] The limiting block 32 is rotationally connected with an adjusting bolt 33, the adjusting bolt 33 is threadedly connected with the mounting block 31, and the distance between the two limiting blocks 32 is adjusted by rotating the adjusting bolt 33.
[0030] The limiting block 32 is provided with a guide inclined surface 321, so that the protruding part is guided and placed between the two limiting blocks.
[0031] A sealing ring 221 is mounted on the outer periphery of the gas groove 22, and the sealing ring 221 is located on the surface of the carrier plate 2.
[0032] As shown, Figure 6 The gas pipe comprises a gas main pipe 41 and a plurality of gas branch pipes 42, the gas hole 23 is communicated with the gas branch pipe 42, the plurality of gas branch pipes 42 are all communicated with the gas main pipe 41, and the gas main pipe 41 is communicated with the negative pressure pump 4.
[0033] The carrier plate 2 is vertically arranged, the carrier plate 2 is fixed on the base 5, and the base 5 and the carrier plate 2 are respectively fixed with the L-shaped reinforcing part 51, so as to ensure the firmness of the connection between the carrier plate and the base.
[0034] Embodiment two: the structure of embodiment two is basically same as that of embodiment one, and the difference lies in that, in order to increase the stability of the positioning of the scroll disc, as shown, Figure 3 and as shown, Figure 5 Further comprising a pressing block 61, the pressing block 61 is threadedly connected with a pressing bolt 62, and the pressing bolt 62 is installed on the carrier plate 2.
[0035] The pressing block 61 is threadedly connected with a limiting bolt 63, and the end of the limiting bolt is located between the pressing block 61 and the carrier plate 2.
[0036] The working principle of the utility model is as follows: the hub part of the scroll disc is inserted into the positioning hole, the protruding part is placed between the two limiting blocks to prevent the scroll disc from rotating, the gas groove forms negative pressure through the negative pressure pump, and the scroll disc is adsorbed, so that rapid positioning is realized, and the scroll disc is convenient for being detected by the detection equipment subsequently, after the detection is completed, the negative pressure pump is closed or the scroll disc is taken down slightly by force.
[0037] The above are only embodiments of the present utility model, and do not limit the patent range of the present utility model, and any equivalent structural transformation, direct or indirect application in other related technical fields using the content of the present utility model specification and drawings are also included in the patent protection range of the present utility model.
Claims
1. A clamp for detecting a scroll, characterized by: The application relates to a positioning device for a scroll disc (1), which comprises a carrier plate (2) and a limiting mechanism (3) mounted on the carrier plate, the scroll disc comprising scroll blades (11), a hub (12) and a scroll body (13), the scroll blades and the hub being located on opposite sides of the scroll body respectively, the carrier plate being provided with a positioning hole (21) corresponding to the hub, the carrier plate being provided with a plurality of air grooves (22) and a plurality of air holes (23), the air grooves being arranged along the circumferential direction of the positioning hole, the air grooves and the scroll body forming air cavities, the air grooves and the air holes corresponding to each other and being in communication, the air holes being in communication with air pipes, and the air pipes being in communication with a negative pressure pump (4). The limiting mechanism comprises two mounting blocks (31) and two limiting blocks (32), the two limiting blocks being mounted on the mounting blocks respectively, the mounting blocks being fixed on the carrier plate, the scroll body extending outward to form a protruding part (14), and the two limiting blocks being located on the two sides of the protruding part to prevent the scroll disc from rotating.
2. The clamp for detecting a scroll according to claim 1, characterized by: The limiting blocks are rotationally connected with adjusting bolts (33), the adjusting bolts being threadedly connected with the mounting blocks, and the adjusting bolts being rotated to adjust the distance between the two limiting blocks.
3. The clamp for detecting a scroll according to claim 1, characterized by: The limiting blocks are provided with guide inclined surfaces (321).
4. The clamp for detecting a scroll according to claim 1, characterized by: A sealing ring (221) is mounted on the outer periphery of the air grooves, and the sealing ring is located on the surface of the carrier plate.
5. The clamp for detecting a scroll according to Claim 1, characterized by: The air pipes comprise one air main pipe (41) and a plurality of air branch pipes (42), the air holes being in communication with the air branch pipes, the plurality of air branch pipes being in communication with the air main pipe, and the air main pipe being in communication with the negative pressure pump.
6. The clamp for detecting a scroll according to Claim 1, characterized by: The carrier plate is vertically arranged, the carrier plate being fixed on a base (5), and the base and the carrier plate being fixed with L-shaped reinforcing members (51) respectively.
7. The clamp for detecting a scroll according to Claim 1, characterized by: The application further comprises a pressing block (61) which is threadedly connected with a pressing bolt (62), and the pressing bolt is mounted on the carrier plate.
8. The scroll detection jig according to claim 7, characterized by: The pressing block is threadedly connected with a limiting bolt (63), and the end of the limiting bolt is located between the pressing block and the carrier plate.