CN211361445U

CN211361445U - Drilling and milling universal fixture for shell parts of automobile air conditioner compressor

Info

Publication number: CN211361445U
Application number: CN201922327282.7U
Authority: CN
Inventors: 李艳宾; 张秋雷; 徐已昆; 李玉龙; 安晟辰; 王坚; 路宜平; 李震
Original assignee: Mudanjiang Foton Automotive Air Conditioner Co ltd
Current assignee: Mudanjiang Foton Automotive Air Conditioner Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-08-28
Anticipated expiration: 2029-12-23

Abstract

The utility model provides a drilling and milling of vehicle air conditioner compressor casing part adds universal fixturing, includes: the universal tool clamp comprises a bottom plate, a central vertical plate, a double-end screw, a pressing plate, a screw handle, a pressing block and a universal positioning plate, wherein the universal positioning plate integrated with a plurality of groups of special positioning pin hole groups is used by the universal tool clamp, can respectively clamp shell parts of different types and models for drilling and milling, solves the problem that the tool clamp in the prior art has no universality, meanwhile, the pressing plate structure which is integrated with the clamp and has two balanced ends is adopted, the stability of clamping and fastening the shell parts by the clamping plates is improved, the pressing plate structure is applied to actual production, not only can 4 shell parts be stably clamped for processing, but also can avoid frequently changing frock clamp and anchor clamps poor stability cause the increase of the amount of labour that repeated operation leads to producing and the increase of operating time's problem, effectively reduce workman's intensity of labour, improve the machining efficiency of vehicle air conditioner compressor casing.

Description

Drilling and milling universal fixture for shell parts of automobile air conditioner compressor

Technical Field

The utility model relates to a frock clamp, in particular to automobile air conditioner compressor casing part bores and mills processing universal fixturing.

Background

The parts of the shell of the automobile air-conditioning compressor comprise a front cylinder, a rear cylinder and a cylinder body, which are structural components forming the shell of the automobile air-conditioning compressor, according to the processing technical specification, a large amount of drilling and milling machining is respectively needed on the connecting structure and the matching surface of the structural components in the axial direction, in the existing production, the processing of the shell of the compressor is generally carried out by adopting a vertical processing center, and because the front cylinder, the rear cylinder and the cylinder body and other different parts have different types and structures and the types of the various parts also form respective structural differences, the processing of the parts of different types and different types in the actual production needs to be matched with respective special processing tool fixtures, so that the using amount of the tool fixtures in the production is very large, the parts have no commonality, the single-part utilization efficiency is very low, and the great production consumption is caused, unnecessary waste is generated, certain difficulty is brought to production management of a workshop, especially in production, the tool fixtures are required to be frequently replaced in conversion processing of different types and different models of products, the labor intensity of workers is increased, the processing and production cost is increased, the processing and production period is prolonged, the processing and production efficiency is reduced, and the actual production requirements cannot be well met. Therefore, a drilling and milling process for the shell part of the automobile air conditioner compressor is needed, a universal tool clamp is developed and applied, the problems in the prior art are solved, the processing quality and the processing efficiency of the shell part of the automobile air conditioner compressor are improved, and the production labor intensity of workers is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the universal fixture for drilling and milling the parts of the shell of the automobile air-conditioning compressor is provided, and the machining efficiency of the shell of the automobile air-conditioning compressor is improved.

The utility model provides a drilling and milling of vehicle air conditioner compressor casing part adds universal fixturing, includes: the device comprises a bottom plate 1, a central vertical plate 2, a double-end screw 8, a pressing plate 3, a screw handle 5, a pressing block 6 and a universal positioning plate 9.

The bottom plate 1 and a matched processing equipment structure are horizontally arranged in a mutually corresponding mode, the central vertical plate 2 is vertically arranged on the center line of the bottom plate 1, and through centering circular holes are symmetrically formed in two ends of the central vertical plate; the double-end screw 8 is vertically and symmetrically fixedly arranged on the central vertical plate 2, the two ends of the double-end screw are respectively provided with the pressing plates 3, the end heads of the double-end screw are respectively provided with the screw handles 5, the screw handles 5 are screwed in the double-end screw 8 and can push the pressing plates 3 to move forwards along the double-end screw 8, and meanwhile, the inner sides of the two ends of the pressing plates 3 are respectively provided with the pressing blocks 6; a cylindrical convex centering column 14 is arranged on the disc surface on one side of the universal positioning disc 9, the outer diameter of the centering column 14 is correspondingly matched with the inner diameter of the centering circular hole for being inserted into the centering circular hole on the central vertical plate 2 to perform centering positioning on the universal positioning disc 9, positioning pin holes 4 are formed in the disc surface on the other side, a plurality of groups of positioning pin holes 4 are formed in each group according to 3, and each group of positioning pins 4 are distributed on different radial circumferences or different positions of the disc surface of the universal positioning disc 9 according to actual structures and positioning requirements of shell parts of different types and different types; the 4 universal positioning disks 9 are positioned by matching the centering columns 14 with the ports on the two sides of the centering circular hole, and are respectively and symmetrically and fixedly installed on the two side surfaces of the central vertical plate 2.

Furthermore, a liquid flow hole 7 is formed in the center of the centering column 4 on the universal positioning plate 9 and used for dredging and guiding the machining cooling liquid.

The universal fixture for drilling and milling the shell parts of the automobile air-conditioning compressor is used for processing the shell parts of the automobile air-conditioning compressor, a positioning pin 10 is inserted into each positioning pin hole 4 in a positioning pin hole group corresponding to the structure of the shell parts on the universal positioning plate 9, positioning holes 13 on the shell parts are respectively sleeved on the

positioning pins

10, 4 shell parts are respectively hung on the universal positioning plate 9, then, adjusting the spatial position of the pressing plate 3 to horizontally place the pressing plate 3, screwing the double-end screw 8 to push the pressing plate 3 to move towards the central vertical plate 2 along the double-end screw 8 until the pressing blocks 6 respectively abut against and press the shell parts, fastening the shell parts on the general positioning disc 9, and finally, starting the processing equipment to sequentially drill and mill each shell part and different processing points and processing surfaces thereof.

Meanwhile, the pressing blocks 6 are preferably arranged on the pressing plate 3, so that when the pressing plate 3 is horizontally placed, the two pressing blocks 6 are respectively opposite to the central positions of the centering columns 14 on the universal positioning plate 9, and the stability of the pressing blocks 6 for fastening the shell parts is fully ensured.

The utility model has the advantages that: the utility model provides a drilling and milling processing universal fixturing of vehicle air conditioner compressor casing part, use the integrated general positioning dish that has multiunit special positioning pinhole group, can the different types of centre gripping respectively, different model casing parts bores and mills the processing, the problem that frock clamp does not have the commonality among the prior art has been solved, and simultaneously, adopt the clamp plate structure with the balanced centre gripping in anchor clamps integration both ends, splint centre gripping and the stability of fastening casing part have been improved, be applied to in the actual production, not only can stabilize 4 casing parts of centre gripping simultaneously and process, but also can avoid frequently changing frock clamp and the poor problem that causes the increase of the amount of labour that the repetitive operation leads to producing and the increase of operating time, effectively reduce workman's intensity of labour, improve the machining efficiency of vehicle air conditioner compressor casing.

Drawings

FIG. 1 is a front view of a universal fixture structure for drilling and milling parts of a shell of an automobile air conditioner compressor.

FIG. 2 is a top view of a universal fixture for drilling and milling shell parts of an automobile air conditioner compressor.

Fig. 3, front view of the universal alignment plate.

Fig. 4 and 3 are sectional views of section a-a.

Fig. 5, S17C-018 automobile air conditioner compressor back cover perspective structure schematic diagram.

FIG. 6 is a structural schematic diagram of a clamping state of the universal clamp for drilling and milling parts of the shell of the automobile air conditioner compressor on the rear cover.

Detailed Description

The technical solution claimed in the present invention is further described below with reference to the following specific embodiments and accompanying drawings.

A universal fixture for drilling and milling shell parts of an automobile air conditioner compressor is shown in figures 1 and 2 and comprises: the device comprises a bottom plate 1, a central vertical plate 2, a double-end screw 8, a pressing plate 3, a screw handle 5, a pressing block 6 and a universal positioning plate 9.

The bottom plate 1 is of a rectangular structure, the central vertical plate 2 is vertically installed on the bottom plate 1 in a threaded connection mode, through centering circular holes are symmetrically formed in two ends of the bottom plate 1, the double-threaded screw 8 is vertically and symmetrically fixedly installed on the central vertical plate 2, the pressing plates 3 are respectively sleeved at two ends of the central vertical plate, the screw handles 5 are respectively installed on ends of the double-threaded screw 8, the screw handles 5 are matched with external threads at the ends of the double-threaded screw 8, the pressing plates 3 can be pushed to move forwards along the double-threaded screw 8 during precession, pressing blocks 6 are respectively installed on the inner sides of two ends of the pressing plates 3, and when the pressing plates 3 are horizontally placed, the two pressing blocks 6 are respectively kept.

Meanwhile, as shown in fig. 3 and 4, the universal positioning plate 9 is in a circular disc shape, a centering column 4 in a cylindrical convex shape is arranged at the center of the disc surface on one side, a through liquid flow hole 7 is formed in the center of the centering column 4, the outer diameter of the centering column 4 corresponds to the inner diameter of the centering circular hole to form clearance fit, positioning pin holes 4 are formed in the disc surface on the other side, and the positioning pin holes 4 are respectively formed in groups according to 3; the 4 universal positioning disks 9 are positioned by matching the centering columns 4 with the ports on the two sides of the centering circular hole, and are respectively and symmetrically installed on the two side surfaces of the central vertical plate 2 through bolts.

By applying the universal fixture for drilling and milling the shell parts of the automobile air-conditioning compressor, the rear cover 20 of the S17C-018 automobile air-conditioning compressor is drilled and milled on a vertical machining center, as shown in FIG. 5, the machining positions of the rear cover 20 are an ear hole 11 and an ear hole surface 12 respectively, and the machining operation steps include:

step 1, inserting 4 universal positioning discs 9 into the centering circular holes and fixedly mounting the universal positioning discs on the central vertical plate 2, and then mounting the bottom plate 1 on a processing platform of the vertical processing center;

step 2, moving the two screw handles 5 and the pressing plate 3 to the end parts of the double-end screw 8 respectively, adjusting the pressing plate 3 to a space state vertical to the horizontal direction, and reserving an operation space for clamping the rear cover 20;

step 3, inserting positioning pins 10 into the positioning pin holes 4 in the corresponding positioning pin hole groups matched with the rear cover 20 on the general positioning plate 9, aligning and sleeving the positioning holes 13 on the rear cover 20 on the positioning pins 10, and hanging 4 rear covers 20 on the general positioning plate 9;

step 4, adjusting the pressing plates 3 to a horizontal placing space state, sequentially screwing the screw rod handles 5, respectively pushing the corresponding pressing plates 3 to move forward towards the middle of the double-end screw rod 8, respectively pressing the pressing blocks 6 at the two ends against and tightly pressing the rear cover 20, and fastening the rear cover 20 on the general positioning disc 9;

step 5, starting a vertical machining center, and sequentially drilling and milling the earhole 11 and the earhole surface 12 on each rear cover 20 shown in fig. 5, wherein the drilling and milling are completed at one time;

and 6, disassembling the processed rear covers 20, and preparing for mounting and processing the rear covers of the next batch.

It is right that all accomplish need add man-hour to the casing part of other kinds or model after the processing of back lid 20, neither need change a car air conditioner compressor casing part bores and mills processing universal fixturing, also need not change on a car air conditioner compressor casing part bores and mills processing universal fixturing 9, and only need with set up on the positioning disk 9 the locating pin 10 is whole to be taken out, simultaneously the reinsertion plans to process behind each locating pin hole 4 in the supporting locating pin hole group that corresponds of casing part, can install the casing part bores and mills processing, and the operation process is simple and convenient, and intensity of labour is lower.

General positioning disk 9 with adopt split type structural design between central riser 2, the purpose is only general positioning disk 9 wearing and tearing can only change when scrapping general positioning disk 9 itself, and avoid under the overall structure design condition general positioning disk 9 wearing and tearing damage lead to the whole emergence of scrapping the condition of frock clamp, consequently, a vehicle air conditioner compressor casing part bores and mills among the processing universal fixturing the general positioning disk 9 with adopt the overall structure design scheme also to belong to between the central riser 2 the utility model discloses within technical scheme's the protection category.

Claims

1. The utility model provides a drilling and milling of vehicle air conditioner compressor casing part adds universal fixturing which characterized in that includes: the device comprises a bottom plate (1), a central vertical plate (2), a double-end screw (8), a pressing plate (3), a screw handle (5), a pressing block (6) and a universal positioning plate (9);

the bottom plate (1) is horizontally arranged, the central vertical plate (2) is vertically arranged on the center line of the bottom plate (1), and two ends of the central vertical plate are symmetrically provided with through centering round holes; the double-end screw (8) is vertically, symmetrically and fixedly arranged on the central vertical plate (2), pressing plates (3) are respectively arranged at two ends of the double-end screw, screw handles (5) are respectively arranged at the ends of the double-end screw, and pressing blocks (6) are respectively arranged on the inner sides of two ends of each pressing plate (3); a cylindrical convex centering column (14) is arranged on the disc surface on one side of the universal positioning disc (9), the outer diameter of the centering column (14) is correspondingly matched with the inner diameter of the centering circular hole, positioning pin holes (4) are formed in the disc surface on the other side, and the positioning pin holes (4) are respectively formed in multiple groups according to 3 groups; (4) the universal positioning plates (9) are respectively and symmetrically and fixedly arranged on two side surfaces of the central vertical plate (2).

2. The universal fixture for drilling and milling the shell part of the automobile air conditioner compressor, as recited in claim 1, is characterized in that: a liquid flow hole (7) is arranged in the center of the centering column (14) on the universal positioning plate (9).

3. The universal fixture for drilling and milling the shell part of the automobile air conditioner compressor as claimed in claim 1 or 2, wherein: when the pressing plate (3) is horizontally placed, the two pressing blocks (6) are respectively opposite to the central position of the centering column (14) on the universal positioning plate (9).