CN210704290U

CN210704290U - Honing clamp for bearing of air conditioner compressor

Info

Publication number: CN210704290U
Application number: CN201921698139.2U
Authority: CN
Inventors: 薄永祥; 云智军; 李春炎
Original assignee: Hebei Master Metal Machinery Manufacturing Co ltd
Current assignee: Hebei Master Metal Machinery Manufacturing Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-06-09
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses an air condition compressor bearing honing processing clamp, which comprises a turntable and a plurality of workpiece clamps, wherein the workpiece clamps are uniformly distributed along the periphery of the table top of the turntable; the workpiece clamp also comprises a clamp bottom plate, a floating ring, a positioning plate, a material loading and unloading clamp, a clamp opening cylinder, a floating base and a lever locking mechanism; a floating base is fixedly arranged on the surface of the clamp bottom plate, a positioning hole is formed in the middle of the floating base, the positioning plate is fixed on the positioning hole, and a central hole matched with the positioning hole in position is formed in the middle of the positioning plate; a plurality of positioning shafts extend outwards along the outer rings of the positioning holes, and the ring body of the floating ring is sleeved outside the positioning shafts; lever locking mechanisms are symmetrically arranged on two sides of the floating ring; and a clamp opening cylinder and a detection assembly are arranged below the rotary table. The utility model discloses improved the anchor clamps structure, realized unloading in the automation, improved the precision of anchor clamps reliability and honing simultaneously.

Description

Honing clamp for bearing of air conditioner compressor

Technical Field

The utility model relates to an anchor clamps, concretely relates to air condition compressor bearing honing process anchor clamps.

Background

The fixture is one of the most critical components in a machine tool equipment, and the accuracy, reliability and degree of automation of the fixture have a significant impact on the final performance of the equipment. With the current trend of automation, unmanned and intelligent processing, the numerical control honing machine tool needs to form an automatic production line with upstream processing equipment. The numerical control honing fixture is required to be matched with an automatic production line, and the requirements of automatic alignment, automatic feeding, automatic clamping and automatic detection are met. At present, the domestic numerical control honing machine tool is mostly used as a single machine, manual feeding and discharging are needed, the efficiency is low, the clamp of each station is provided with one set of air cylinder, the air cylinder is adopted to compress and loosen workpieces, and because honing liquid has corrosivity, the air cylinder is easy to break down, the reliability is poor, the floatability is poor, and the final honing precision is influenced. Therefore, according to the characteristics of honing processing of the air condition compressor bearing and the new characteristics and new requirements of the automatic production line of the numerical control honing machine tool, the scheme improves and innovates the original clamp, and develops and completes the novel air compression bearing honing clamp.

Disclosure of Invention

In view of the above-mentioned drawbacks or deficiencies in the prior art, it is desirable to provide an air conditioner compressor bearing honing machining jig.

According to the technical scheme provided by the embodiment of the utility model, the honing fixture for the bearing of the air condition compressor comprises a rotary table and a workpiece fixture, wherein the rotary table is circular, and a plurality of workpiece fixtures are uniformly distributed along the periphery of the table top of the rotary table; the workpiece clamp also comprises a clamp bottom plate, a floating ring, a positioning plate, a material loading and unloading clamp, a clamp opening cylinder, a floating base and a lever locking mechanism; the surface of the clamp bottom plate is fixedly provided with the floating base, the middle part of the floating base is provided with a positioning hole, the positioning plate is fixed on the positioning hole, and the middle part of the positioning plate is provided with a central hole matched with the positioning hole in position; a plurality of positioning shafts extend outwards along the outer rings of the positioning holes, the ring body of the floating ring is sleeved outside the positioning shafts, matched through holes are formed in the floating ring and the positioning shafts, and the through holes between the floating ring and the positioning shafts are connected through the floating shafts; the lever locking mechanisms are symmetrically arranged on two sides of the floating ring; a workpiece is placed on the positioning plate and is fixed through the upper and lower material level clamps; and the clamp opening cylinder and the detection assembly are arranged below the rotary table.

The utility model discloses in, the detecting element is including detecting the cylinder and detecting the head, and the head end that detects the piston rod of cylinder is connected with detecting the head, and installs the air-vent valve on the gas circuit of cylinder.

The utility model discloses in a through-hole has been seted up to the middle part position of revolving stage, and the detection cylinder is located the below of revolving stage detects the head and is located the top of revolving stage and passes through to be connected with the detection cylinder.

In the utility model discloses, the ring body of floating ring is circular.

The utility model discloses in still install the bush between floating shaft and the through-hole.

The utility model discloses in set up on revolving stage and the anchor clamps bottom plate with the diameter size assorted through-hole of locating hole, the ejecting end that the cylinder was opened to anchor clamps passes through-hole and work piece contact.

The utility model discloses in, the locating plate adopts the processing of steel part wear-resistant material to form to fix a position through the locating pin the work piece prevents during processing that the work piece from rotating.

The utility model discloses in, the quantity of location axle is 4, the both ends of location axle are connected respectively locating hole and floating ring, and follow the outer lane wall of locating hole and the inner circle wall evenly distributed setting of floating ring.

To sum up, the utility model has the advantages that:

1. the clamp structure is improved, the clamp is automatically opened through the air cylinder at the feeding and discharging positions, the workpiece is loosened, the matching manipulator automatically grabs the workpiece, and automatic feeding and discharging are realized.

2. The improved fixture structure has the advantages that the fixture loosens the workpiece at the feeding and discharging positions through the air cylinder, the fixture locks the workpiece at the machining station through the resetting force of the disc spring in the lever mechanism, and the reliability of the fixture is improved

3. Improve anchor clamps structure, change original anchor clamps body floating part material into cast aluminium spare by the steel, alleviateed anchor clamps floating part's dead weight, make anchor clamps float in a flexible way, improve the precision of honing.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

fig. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic structural view of a workpiece holder according to the present invention;

FIG. 5 is a schematic structural view of a workpiece holder according to the present invention;

fig. 6 is a schematic structural view of the middle workpiece holder of the present invention.

Reference numbers in the figures: 1. the automatic material loading and unloading device comprises a rotary table, 2 parts of a workpiece clamp, 3 parts of a clamp bottom plate, 4 parts of a floating ring, 5 parts of a positioning plate, 6 parts of a material loading and unloading clamp, 7 parts of a clamp opening cylinder, 8 parts of a floating base, 9 parts of a lever locking mechanism, 10 parts of a positioning hole, 11 parts of a positioning shaft, 12 parts of a floating shaft, 13 parts of a detection assembly, 14 parts of a bushing and 15 parts of a manipulator.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1, 2 and 3, the honing processing clamp for the bearing of the air conditioner compressor comprises a rotary table 1 and workpiece clamps 2, wherein the rotary table 1 is circular, a plurality of workpiece clamps 2 are uniformly distributed along the periphery of the table top of the rotary table 1, and a clamp bottom plate 3 of each workpiece clamp 2 is connected with the rotary table 1 through bolts; the workpiece clamp 2 further comprises a clamp bottom plate 3, a floating ring 4, a positioning plate 5, an upper material level clamp 6, a lower material level clamp 6, a clamp opening cylinder 7, a floating base 8 and a lever locking mechanism 9;

as shown in fig. 4, 5 and 6, the floating base 8 is mounted and fixed on the surface of the jig base plate 3; a positioning hole 10 is formed in the middle of the floating base 8, the positioning plate 5 is fixed on the positioning hole 10, and a central hole matched with the positioning hole 10 in position is formed in the middle of the positioning plate 5; a plurality of positioning shafts 11 extend outwards along the outer ring of the positioning hole 10, the ring body of the floating ring 4 is sleeved outside the positioning shafts 11, matched through holes are formed in the floating ring 4 and the positioning shafts 11, and the through holes between the floating ring 4 and the positioning shafts 11 are connected through the floating shafts 12; the number of the positioning shafts 11 is 4, the two ends of each positioning shaft 11 are respectively connected with the positioning holes 10 and the floating rings 4, and the positioning shafts are uniformly distributed along the outer ring walls of the positioning holes 10 and the inner ring walls of the floating rings 4. The lever locking mechanisms 9 are symmetrically arranged on two sides of the floating ring 4; the workpiece is placed on the positioning plate 5 and is fixed through the upper and lower material level clamps 6.

As shown in fig. 2, the clamp opening cylinder 7 and the detection assembly 13 are provided below the turntable 1. Through holes matched with the diameter of the positioning holes 10 are formed in the rotary table 1 and the clamp bottom plate 3, and the ejection end of the clamp opening cylinder 7 is in contact with a workpiece through the through holes.

The detection assembly 13 comprises a detection cylinder and a detection head, the head end of a piston rod of the detection cylinder is connected with the detection head, a pressure regulating valve is installed on a gas path of the cylinder, when the size of the workpiece before honing is not met, the detection head can be clamped by the workpiece, the cylinder cannot extend out completely, and the warning and shutdown effects are achieved.

As shown in fig. 1, a through hole is formed in the middle of the turntable 1, the detection cylinder is located below the turntable 1, and the detection head is located above the turntable and connected with the detection cylinder through passing through the detection cylinder.

As shown in fig. 5, the ring body of the floating ring 4 is circular, and a bushing 14 is further installed between the floating shaft 12 and the through hole. The fixed base 8 supports the floating ring 4 through the floating shaft and the 12 bushing 14, the floating ring 4 can axially rotate along the floating shaft 12, the floating ring 4 supports the floating base 8 through the floating shaft 12 and the bushing 14, the floating base 8 can axially rotate along the floating shaft 12, meanwhile, the floating base 8 and the floating ring 4 can axially rotate along the floating shaft 12 together, and the universal cradle type floating mechanism is achieved.

In the clamp, the positioning plate 5 is processed by adopting a steel wear-resistant material, and the workpiece is positioned by the positioning pin. In the clamp, the positioning plate 5 is a transition plate for connecting the floating base 8 and workpieces, and the positioning plate 5 needs to be adjusted or replaced for different workpieces.

Example (b): as shown in figure 1, a manipulator 15 is arranged at a position, corresponding to a clamp opening cylinder 7, on one side of a rotary table 1, a workpiece is placed on a positioning plate 5 of a workpiece clamp 2, then the workpiece is limited and fixed by a feeding and discharging position clamp 6, after the workpiece is machined, the rotary table rotates the machined workpiece clamp 2 to a position just corresponding to the clamp opening cylinder 7 and the manipulator 15, then the clamp opening cylinder 7 is opened, the shaft end of a telescopic shaft of the cylinder is ejected out of through holes in the rotary table 1 and a clamp bottom plate 3, a lever locking mechanism 9 is opened to loosen the workpiece, then the machined workpiece is taken away by the manipulator 15 and placed with a new workpiece, after the new workpiece is placed, the cylinder returns, and the lever locking mechanism 9 resets and locks the workpiece under the action of spring force. The magnitude of the locking force can be adjusted to the optimum state by adding or subtracting shims on the spring.

The foregoing description is only exemplary of the preferred embodiments of the invention and is provided for the purpose of illustrating the general principles of the invention. Meanwhile, the scope of the present invention is not limited to the specific combinations of the above-described technical features, and other technical features or equivalent features may be combined arbitrarily without departing from the scope of the present invention. For example, the above features and (but not limited to) technical features having similar functions disclosed in the present invention are mutually replaced to form the technical solution.

Claims

1. A honing fixture for bearings of air-conditioning compressors comprises a rotary table (1) and workpiece fixtures (2), wherein the rotary table (1) is circular, and a plurality of workpiece fixtures (2) are uniformly distributed along the periphery of a table top of the rotary table (1); the method is characterized in that: the workpiece clamp (2) further comprises a clamp bottom plate (3), a floating ring (4), a positioning plate (5), a loading and unloading level clamp (6), a clamp opening cylinder (7), a floating base (8) and a lever locking mechanism (9); the surface of the clamp bottom plate (3) is fixedly provided with the floating base (8), the middle of the floating base (8) is provided with a positioning hole (10), the positioning plate (5) is fixed on the positioning hole (10), and the middle of the positioning plate (5) is provided with a central hole matched with the positioning hole (10); a plurality of positioning shafts (11) extend outwards along the outer ring of the positioning hole (10), the ring body of the floating ring (4) is sleeved outside the positioning shafts (11), matched through holes are formed in the floating ring (4) and the positioning shafts (11), and the through holes between the floating ring (4) and the positioning shafts (11) are connected through the floating shafts (12); the lever locking mechanisms (9) are symmetrically arranged on two sides of the floating ring (4); a workpiece is placed on the positioning plate (5) and is fixed through the upper and lower material level clamps (6); and the clamp opening cylinder (7) and the detection assembly (13) are arranged below the rotary table (1).

2. The honing fixture for the bearings of the air-conditioning compressor as claimed in claim 1, wherein: the detection assembly (13) comprises a detection cylinder and a detection head, the head end of a piston rod of the detection cylinder is connected with the detection head, and a pressure regulating valve is installed on a gas path of the cylinder.

3. The honing processing clamp for the bearing of the air conditioner compressor as claimed in claim 2, wherein: the detection device is characterized in that a through hole is formed in the middle of the rotary table (1), the detection cylinder is located below the rotary table (1), and the detection head is located above the rotary table and penetrates through the detection cylinder to be connected with the detection cylinder.

4. The honing fixture for the bearings of the air-conditioning compressor as claimed in claim 1, wherein: the ring body of the floating ring (4) is circular.

5. The honing fixture for the bearings of the air-conditioning compressor as claimed in claim 1, wherein: a bushing (14) is also mounted between the floating shaft (12) and the through hole.

6. The honing fixture for the bearings of the air-conditioning compressor as claimed in claim 1, wherein: through holes matched with the diameter of the positioning holes (10) are formed in the rotary table (1) and the clamp bottom plate (3), and the ejection end of the clamp opening cylinder (7) is in contact with a workpiece through the through holes.

7. The honing fixture for the bearings of the air-conditioning compressor as claimed in claim 1, wherein: the positioning plate (5) is formed by processing a steel wear-resistant material, and the workpiece is positioned by a positioning pin.

8. The honing fixture for the bearings of the air-conditioning compressor as claimed in claim 1, wherein: the number of the positioning shafts (11) is 4, the two ends of each positioning shaft (11) are respectively connected with the positioning holes (10) and the floating rings (4), and the positioning holes are uniformly distributed along the outer ring walls of the positioning holes (10) and the inner ring walls of the floating rings (4).