Positioning jig for scroll plate machining

Abstract

The utility model discloses a positioning jig for processing a scroll plate, which comprises a positioning column, a plurality of support columns and a plurality of positioning slide blocks, the positioning column corresponds to a positioning hole of the scroll plate, the scroll plate is placed above the support columns, the positioning column and the support columns are fixed on a base, and the positioning slide blocks are fixed on the base. The positioning sliding block can slide in the radial direction of the base. The positioning sliding block comprises a positioning block and a sliding block, the positioning block is fixed to the sliding block, a sliding groove is formed in the upper surface of the base in the radial direction, a sliding strip matched with the sliding groove is arranged on the lower surface of the sliding block, the scroll plate is provided with a connecting block, the positioning block is provided with a limiting groove corresponding to the connecting block, and the sliding strip is arranged in the limiting groove. The limiting groove comprises a limiting part and a guiding part, the side wall of the guiding part is an inclined face, and the inclined face gradually inclines towards the center of the limiting groove from top to bottom. According to the utility model, the scroll plate can be conveniently and quickly positioned.

Description

Technical Field

[0001] The utility model belongs to the technical field of scroll disk processing, in particular to a positioning fixture for scroll disk processing. Background Art

[0002] The scroll disk is one of the main components of the scroll compressor. The machining accuracy of the scroll disk has a great influence on the vibration noise, sealing and compressor performance of the scroll compressor. If you want to machine a high-precision scroll disk, you need to cooperate with the corresponding machining positioning fixture.

[0003] The scroll disk is usually fixed by manually tightening the screws to fix the scroll disk on the fixture. The screws are tightened and loosened thousands of times a day, which can easily cause thread slippage. In addition, the manual tightening and clamping of the scroll disk takes too long, affecting the processing efficiency. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide a positioning fixture for processing a scroll disk, which is convenient for quickly positioning the scroll disk.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: a positioning jig for processing a scroll disk, comprising a positioning column, a plurality of supporting columns and a plurality of positioning slide blocks, wherein the positioning column corresponds to the positioning hole of the scroll disk, the scroll disk is placed above the supporting column, the positioning column and the supporting column are both fixed to a base, and the positioning slide block can slide along the radial direction of the base;

[0006] The positioning slider comprises a positioning block and a sliding block, the positioning block is fixed to the sliding block, the upper surface of the base is provided with a radially arranged sliding groove, the lower surface of the sliding block is provided with a sliding strip matching the sliding groove, the scroll plate is provided with a connecting block, the positioning block is provided with a limiting groove corresponding to the connecting block, the scroll plate is positioned by the setting of the limiting groove, the limiting groove comprises a limiting portion and a guide portion, the side wall of the guide portion is an inclined surface, and the inclination direction of the inclined surface gradually inclines from top to bottom toward the center of the limiting groove, so as to facilitate the connecting block of the scroll plate to slide into the limiting portion for limiting;

[0007] The base is provided with a first mounting groove, the first mounting groove is provided with a fixing block for fixing the sliding block, the lower surface of the slide bar is provided with a recessed groove, the top surface of the groove is provided with a first tooth groove, the upper surface of the fixing block is provided with a second tooth groove, a fixing spring is provided between the fixing block and the bottom surface of the first mounting groove to make the second tooth groove engage with the first tooth groove, thereby fixing the positioning slider to adapt to vortex plates of different sizes, and the side of the fixing block extends to form a pressing portion.

[0008] Furthermore, the side wall of the positioning column is provided with a plurality of evenly distributed second mounting grooves, and a clamping block and a clamping spring are installed inside the second mounting groove. The clamping spring is located between the clamping block and the bottom surface of the second mounting groove, and the clamping block extends to form a clamping portion, which protrudes from the second mounting groove and is clamped against the inner wall of the positioning hole.

[0009] Furthermore, the upper end of the abutting block is provided with a chamfer.

[0010] Furthermore, a protrusion is provided on the side wall of the second installation groove to prevent the abutting block from being separated from the positioning column.

[0011] Furthermore, the cross section of the slide groove is a structure of being larger at the bottom and higher at the bottom to prevent the sliding block from being separated from the base.

[0012] Furthermore, a plurality of the positioning sliders are evenly distributed on the upper surface of the base along the circumference of the base.

[0013] Furthermore, the pressing portion can be pressed down in the groove.

[0014] The beneficial effects of the present invention include at least the following points:

[0015] The positioning slider of the utility model comprises a positioning block and a sliding block, the positioning block is fixed to the sliding block, the scroll plate is provided with a connecting block, the positioning block is provided with a limiting groove corresponding to the connecting block, the scroll plate is positioned by setting the limiting groove, it is worth noting that the limiting groove comprises a limiting portion and a guide portion, the side wall of the guide portion is an inclined surface, and the inclination direction of the inclined surface gradually inclines from top to bottom toward the center of the limiting groove, so as to facilitate the connecting block of the scroll plate to slide into the limiting portion for limiting;

[0016] The top surface of the groove of the utility model is provided with a first tooth groove, the upper surface of the fixed block is provided with a second tooth groove, and a fixing spring is provided between the fixed block and the bottom surface of the first mounting groove to make the second tooth groove mesh with the first tooth groove, thereby fixing the positioning slider to adapt to scroll plates of different sizes;

[0017] The side wall of the positioning column of the utility model is provided with a plurality of evenly distributed second mounting grooves, and a clamping block and a clamping spring are installed inside the second mounting groove. The clamping spring is located between the clamping block and the bottom surface of the second mounting groove. The clamping block extends to form a clamping portion, which protrudes from the second mounting groove and is clamped against the inner wall of the positioning hole, thereby facilitating the positioning of the positioning hole of the scroll plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 The utility model Figure 1 A magnified view of point A;

[0020] Figure 3 It is a cross-sectional view of the utility model;

[0021] Figure 4 The utility model Figure 3 The enlarged view of point B;

[0022] Figure 5 It is a cross-sectional view of the positioning column of the utility model;

[0023] Figure 6 It is a structural schematic diagram of the scroll disk of the utility model;

[0024] Figure 7 It is a structural schematic diagram of a positioning fixture with a scroll disk placed thereon according to the utility model;

[0025] Figure 8 It is a structural schematic diagram of the fixing block of the utility model;

[0026] The parts in the accompanying drawings are marked as follows:

[0027] 1. Positioning column; 11. Second mounting groove; 111. Bump; 2. Support column; 3. Scroll plate; 31. Positioning hole; 32. Connecting block; 4. Base; 41. Slide groove; 42. First mounting groove; 51. Positioning block; 511. Limiting groove; 5111. Limiting portion; 5112. Guide portion; 52. Sliding block; 521. Sliding bar; 522. Groove; 523. First tooth groove; 61. Fixed block; 611. Second tooth groove; 612. Pressing portion; 62. Fixed spring; 71. Clamping block; 711. Clamping portion; 712. Chamfer; 72. Clamping spring. DETAILED DESCRIPTION

[0028] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0029] Embodiment: A positioning fixture for scroll disk processing, such as Figure 1 As shown, it includes a positioning column 1, a plurality of support columns 2 and a plurality of positioning slide blocks, such as Figure 6 As shown, the positioning column 1 corresponds to the positioning hole 31 of the scroll plate 3. Figure 7 As shown, the scroll plate 3 is placed above the support column 2, the positioning column 1 and the support column 2 are both fixed to the base 4, and the positioning slider can slide along the radial direction of the base 4;

[0030] like Figure 3As shown, the positioning slider includes a positioning block 51 and a sliding block 52, the positioning block 51 is fixed to the sliding block 52, the upper surface of the base 4 is provided with a radially arranged slide groove 41, the lower surface of the sliding block 52 is provided with a slide bar 521 matching the slide groove 41, and the scroll plate 3 is provided with a connecting block 32, as shown in FIG. Figure 2 As shown, the positioning block 51 is provided with a limiting groove 511 corresponding to the connecting block 32, and the limiting groove 511 includes a limiting portion 5111 and a guiding portion 5112, and the side wall of the guiding portion 5112 is an inclined surface, and the inclined surface is gradually inclined from top to bottom toward the center of the limiting groove 511;

[0031] like Figure 4 As shown, the base 4 is provided with a first mounting groove 42, the first mounting groove 42 is provided with a fixing block 61 for fixing the sliding block 52, the lower surface of the sliding bar 521 is provided with a concave groove 522, and the top surface of the groove 522 is provided with a first tooth groove 523, as shown in FIG. Figure 8 As shown, a second tooth groove 611 is provided on the upper surface of the fixing block 61, a fixing spring 62 is provided between the fixing block 61 and the bottom surface of the first mounting groove 42 to enable the second tooth groove 611 to engage with the first tooth groove 523, and the side of the fixing block 61 extends to form a pressing portion 612.

[0032] like Figure 5 As shown, the side wall of the positioning column 1 is provided with a plurality of evenly distributed second mounting grooves 11, and a clamping block 71 and a clamping spring 72 are installed inside the second mounting groove 11. The clamping spring 72 is located between the clamping block 71 and the bottom surface of the second mounting groove 11. The clamping block 71 extends to form a clamping portion 711, and the clamping portion 711 protrudes from the second mounting groove 11 and is clamped against the inner wall of the positioning hole 31.

[0033] The upper end of the abutting block 71 is provided with a chamfer 712 .

[0034] A protrusion 111 is disposed on the side wall of the second mounting groove 11 to prevent the abutting block 71 from being separated from the positioning column 1 .

[0035] The cross section of the slide groove 41 is a structure of being larger at the bottom and larger at the top to prevent the sliding block 52 from being separated from the base 4 .

[0036] A plurality of positioning sliders are evenly distributed on the upper surface of the base 4 along the circumference of the base 4 .

[0037] The pressing portion 612 can be pressed down in the groove 522 .

[0038] The working principle of the utility model is as follows: the pressing part is pressed down to separate the fixed block from the sliding block, the sliding block is made to slide along the direction of the slide groove according to the size of the scroll plate, the position of the sliding block is adjusted, and then the pressing part is released, the positioning block is lifted under the action of the spring, the second tooth groove of the fixed block is engaged with the first tooth groove of the sliding block, and then the scroll plate is placed on the supporting column, the connecting block of the scroll plate is placed on the limiting part of the limiting groove, and at the same time the positioning column is inserted into the positioning hole of the scroll plate, thereby realizing the rapid positioning of the scroll plate.

[0039] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A positioning jig for scroll plate processing, characterized in that: It comprises a positioning column (1), a plurality of supporting columns (2) and a plurality of positioning slide blocks, wherein the positioning column corresponds to a positioning hole (31) of the scroll disk (3), the scroll disk is placed above the supporting column, the positioning column and the supporting column are both fixed to a base (4), and the positioning slide block can slide along the radial direction of the base; The positioning slider comprises a positioning block (51) and a sliding block (52), the positioning block is fixed to the sliding block, the upper surface of the base is provided with a radially arranged sliding groove (41), the lower surface of the sliding block is provided with a sliding strip (521) matching the sliding groove, the scroll plate is provided with a connecting block (32), the positioning block is provided with a limiting groove (511) corresponding to the connecting block, the limiting groove comprises a limiting portion (5111) and a guiding portion (5112), the side wall of the guiding portion is an inclined surface, and the inclination direction of the inclined surface gradually inclines toward the center of the limiting groove from top to bottom; The base is provided with a first mounting groove (42), a fixing block (61) for fixing the sliding block is installed in the first mounting groove, a concave groove (522) is provided on the lower surface of the sliding bar, a first tooth groove (523) is provided on the top surface of the groove, a second tooth groove (611) is provided on the upper surface of the fixing block, a fixing spring (62) is provided between the fixing block and the bottom surface of the first mounting groove to enable the second tooth groove to mesh with the first tooth groove, and a side edge of the fixing block extends to form a pressing portion (612).

2. The scroll disk machining positioning jig according to claim 1, characterized in that: The side wall of the positioning column is provided with a plurality of evenly distributed second mounting grooves (11), a clamping block (71) and a clamping spring (72) are installed inside the second mounting groove, the clamping spring is located between the clamping block and the bottom surface of the second mounting groove, the clamping block extends to form a clamping portion (711), and the clamping portion protrudes from the second mounting groove and clamps against the inner wall of the positioning hole.

3. The scroll disk machining positioning jig according to claim 2, characterized in that: The upper end of the abutting block is provided with a chamfer (712).

4. The scroll disk machining positioning jig according to claim 2, characterized in that: The side wall of the second installation groove is provided with a protrusion (111) to prevent the abutment block from being separated from the positioning column.

5. The scroll disk machining positioning jig according to claim 1, characterized in that: The cross section of the slide groove is a structure of being larger at the bottom and larger at the top to prevent the sliding block from being separated from the base.

6. The scroll disk machining positioning jig according to claim 1, characterized in that: A plurality of positioning slide blocks are evenly distributed on the upper surface of the base along the circumference of the base.

7. The scroll disk machining positioning jig according to claim 1, characterized in that: The pressing portion can be pressed down in the groove.

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