CN111151819A - Device for finishing cylinder holes on automobile air conditioner compressor shell - Google Patents
Device for finishing cylinder holes on automobile air conditioner compressor shell Download PDFInfo
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- CN111151819A CN111151819A CN202010063840.8A CN202010063840A CN111151819A CN 111151819 A CN111151819 A CN 111151819A CN 202010063840 A CN202010063840 A CN 202010063840A CN 111151819 A CN111151819 A CN 111151819A
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- positioning hole
- bearing plate
- cutter
- bearing
- finishing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D75/00—Reaming machines or reaming devices
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- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The equipment for finely machining the cylinder hole in the shell of the automobile air conditioner compressor comprises a drilling machine, wherein a main spindle box of the drilling machine is provided with a combined tool; the combined cutter comprises a cutter frame and a cylindrical box body; the tool rest comprises a bearing plate A and a bearing plate B; the cylindrical box body is sleeved outside the cutter frame and fixedly connected with the A bearing plate and the B bearing plate; a group of positioning holes A are arranged on the bearing plate A; a B positioning hole is formed in the B bearing plate below each A positioning hole; the positioning hole A and the positioning hole B positioned below the positioning hole A form a positioning hole group, each positioning hole group is provided with a cutter handle, and the lower end of each cutter handle is connected with a reamer; the combined cutter also comprises a transmission shaft, the upper end of the transmission shaft is connected with a main shaft of the drilling machine, and a driving gear is arranged at the lower end of the transmission shaft; the upper end of the knife handle is provided with a driven gear meshed with the driving gear. The device can simultaneously finish the cylinder holes on the shell of the automobile air-conditioning compressor, so that the required machining precision is obtained, and the machining efficiency is high.
Description
Technical Field
The invention relates to automobile air conditioner compressor production equipment, in particular to equipment for finish machining of a cylinder hole in an automobile air conditioner compressor shell.
Background
The automobile air conditioning system is one of six assemblies of an automobile, wherein an air conditioning compressor is a core component of the air conditioning system and is the heart of an automobile air conditioning refrigeration system. The shell of the automobile air-conditioning compressor is provided with cylinder holes, and the cylinder holes are commonly in a 5-hole form and a 7-hole form and are uniformly distributed on the same circumference. Because the cylinder holes require higher machining precision (for example, the concentricity of each cylinder hole of a compressor shell which is taken charge of the company is required to be less than or equal to 0.2mm, and the verticality of each cylinder hole is required to be less than or equal to 0.05mm), the cylinder holes need to be subjected to finish machining. In the prior art, finish machining of a cylinder hole on a shell of an automobile air conditioner compressor is usually realized by boring holes one by one in a machining center. Although this method can ensure high machining accuracy, it has a problem of low machining efficiency.
Disclosure of Invention
To overcome the above-described deficiencies in the prior art, the present invention provides an apparatus for finishing a cylinder bore in an automotive air conditioning compressor housing. The equipment for finish machining the cylinder hole on the shell of the automobile air-conditioning compressor can simultaneously finish machining the cylinder hole on the shell of the automobile air-conditioning compressor, so that the machining precision meeting the requirement is obtained, and the machining efficiency is high.
The technical scheme of the invention is as follows: the equipment for finely machining the cylinder hole in the shell of the automobile air conditioner compressor comprises a drilling machine, wherein a main spindle box of the drilling machine is provided with a combined tool; the combined cutter comprises a cutter frame and a cylindrical box body; the cutter frame comprises an A bearing plate and a B bearing plate arranged below the A bearing plate; the pressure bearing plate A and the pressure bearing plate B are both in a round cake shape; the cylindrical box body is sleeved outside the cutter frame and fixedly connected with the A bearing plate and the B bearing plate; the cylindrical box body is fixedly connected with the spindle box; the A bearing plate is provided with a group of A positioning holes which are uniformly distributed along the circumference taking the center of the A bearing plate as the circle center; correspondingly, a B positioning hole is formed below each A positioning hole on the B bearing plate; the positioning hole A and the positioning hole B positioned below the positioning hole A form a positioning hole group, a cutter handle is assembled on each positioning hole group, and the lower end of each cutter handle is connected with a reamer; the tool shank is columnar and is respectively connected with the A bearing plate and the B bearing plate through an A bearing in the A positioning hole and a B bearing in the B positioning hole; the combined cutter also comprises a transmission shaft, the upper end of the transmission shaft is connected with a main shaft of the drilling machine, and a driving gear is arranged at the lower end of the transmission shaft; correspondingly, the upper end of the knife handle is provided with a driven gear meshed with the driving gear.
Compared with the prior art, the combined cutter with the specific structure is arranged on the spindle box of the drilling machine, when the combined cutter works, the spindle of the drilling machine drives the transmission shaft of the combined cutter to rotate, the cutter handle is driven to rotate through the driving gear and the driven gear, the reamer arranged on the cutter handle rotates along with the cutter handle, the plurality of reamers work simultaneously, the fine machining of the cylinder hole on the shell of the automobile compressor is finished at one time, and the machining efficiency is high.
As an optimization scheme: in the foregoing apparatus for finishing a cylinder bore in a casing of an air conditioner compressor for an automobile, the a bearing and the B bearing are flat thrust bearings. The plane thrust bearing or the slewing bearing can bear larger axial load, so that the combined cutter has low failure rate and longer service life.
As an optimization scheme: in the device for finish machining of the cylinder hole in the automobile air conditioner compressor shell, the positioning hole A is a stepped hole with the large end at the upper part, and the bearing A is arranged in the large end of the stepped hole and is abutted against the stepped surface; the B positioning hole is a stepped hole with a big end at the bottom, and the B bearing is arranged in the big end of the stepped hole and is abutted to the stepped surface. The bearing end face is matched with the stepped face, so that the bearing can bear larger axial load, the service life of the bearing is prolonged, and meanwhile, the effect of preventing the bearing from displacing or directly separating from the positioning hole due to long-time work is achieved. Furthermore, a positioning sleeve is sleeved on the cutter handle, and two ends of the positioning sleeve are respectively inserted into small ends of the positioning hole A and the positioning hole B to abut against an inner ring of the bearing A and an inner ring of the bearing B. The positioning sleeve is used for axially positioning the bearing inner ring, so that the bearing does not need to bear axial load, and the bearing has long service life even if the bearing capable of bearing the axial load is not adopted.
As an optimization scheme: in the device for finish machining the cylinder hole in the shell of the automobile air conditioner compressor, a group of fixing holes distributed along the circumferential direction are formed in the cylindrical box body, and the cylindrical box body is fixedly connected with the spindle box in a threaded connection mode through screws penetrating through the fixing holes. The cylindrical box body is fixed by adopting a threaded connection mode, so that the connection strength is high, the stability is good, and the implementation is easy.
As an optimization scheme: in the foregoing apparatus for finishing the cylinder hole in the casing of the air conditioner compressor for an automobile, the number of the positioning hole groups is 5 or 7. 5 and 7 are more common forms, which is beneficial to popularization.
As an optimization scheme: in the foregoing apparatus for finishing a cylinder hole in a casing of an air conditioner compressor for an automobile, a transmission ratio of the driving gear to the driven gear may be 1: 1.1 to 1.7. At the moment, the size of the driving gear is large, and the gear of the driven gear is small, so that the combined cutter is favorably miniaturized; and the rotating speed of the driven gear is accelerated relative to the main shaft of the drilling machine, so that higher surface roughness of the inner wall of the cylinder hole is obtained.
As an optimization scheme: in the device for finish machining of the cylinder hole in the shell of the automobile air conditioner compressor, the teeth of the driving gear and the driven gear are both odd numbers or even numbers. The inventors found that, at this time, the vibration caused by the mechanical transmission is relatively small (in the case where the number of teeth of the driven gear is odd with respect to the number of teeth of the driving gear, or the number of teeth of the driving gear is odd with respect to the number of teeth of the driven gear is even).
As an optimization scheme: in the device for finish machining of the cylinder hole in the shell of the automobile air conditioner compressor, a clamp for fixing a workpiece is arranged below the combined tool. The equipment is from taking anchor clamps, has removed the trouble that the user additionally need customize anchor clamps from, and the practicality obtains improving.
Drawings
FIG. 1 is a schematic structural view of an apparatus of the present invention for finishing a cylinder bore in an automotive air conditioning compressor housing;
FIG. 2 is a schematic view of the construction of the gang tool of the present invention;
FIG. 3 is a top view of the gang tool of the present invention;
FIG. 4 is a cross-sectional view taken along line A of the gang tool of FIG. 3;
fig. 5 is a schematic view of the construction of the tool holder of the present invention.
The reference signs are: 1-drilling machine, 101-main spindle box; 2-tool rest, 201-A bearing plate, 2011-A positioning hole, 202-B bearing plate, 2021-B positioning hole, 203-tool handle, 204-A bearing, 205-B bearing, 206-driven gear and 207-positioning sleeve; 3-cylindrical box body 301-fixing hole; 4-a reamer; 5-a transmission shaft; 6-a driving gear; 7-clamping.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Referring to fig. 1, the device for finishing the cylinder hole on the shell of the automobile air conditioner compressor comprises a drilling machine 1, wherein a combined cutter is installed on a main spindle box 101 of the drilling machine 1.
Referring to fig. 2 to 5, the combined cutter comprises a cutter frame 2 and a cylindrical box 3; the tool rest 2 comprises an A pressure bearing plate 201 and a B pressure bearing plate 202 arranged below the A pressure bearing plate 201; the pressure bearing plate A201 and the pressure bearing plate B202 are both in a round cake shape; the cylindrical box body 3 is sleeved outside the tool rack 2 and fixedly connected with the A bearing plate 201 and the B bearing plate 202; the cylindrical box body 3 is fixedly connected with the spindle box 101; a group of positioning holes A2011 which are uniformly distributed along the circumference taking the center of the pressure bearing plate A201 as the circle center are arranged on the pressure bearing plate A201; correspondingly, a B positioning hole 2021 is formed below each a positioning hole 2011 on the B pressure bearing plate 202; the positioning hole A2011 and the positioning hole B2021 located below the positioning hole A constitute a positioning hole group, each positioning hole group is provided with a cutter handle 203, and the lower end of each cutter handle 203 is connected with a reamer 4; the tool shank 203 is columnar and is respectively connected with the A pressure bearing plate 201 and the B pressure bearing plate 202 through an A bearing 204 in an A positioning hole 2011 and a B bearing 205 in a B positioning hole 2021; the combined cutter further comprises a transmission shaft 5, the upper end of the transmission shaft is connected with the main shaft of the drilling machine 1, and a driving gear 6 is arranged at the lower end of the transmission shaft 5; correspondingly, the upper end of the knife handle 203 is provided with a driven gear 206 meshed with the driving gear 6.
During operation, the main shaft of drilling machine 1 drives transmission shaft 5 rotatory, and driving gear 6 is rotatory along with transmission shaft 5, and drive driven gear 206 is rotatory, and handle of a knife 203 is rotatory along with driven gear 206, finally drives reamer 203 and rotates, distributes and carries out the finish machining in a plurality of jar holes on compressor housing simultaneously to a plurality of reamers 203 on same circumference. In the invention, the combined cutter has reasonable structural design and good stability, and the processing precision meets the requirement.
The a bearing 204 and the B bearing 205 may be flat thrust bearings. The plane thrust bearing or the slewing bearing can bear larger axial load, so that the combined cutter has low failure rate and longer service life. The invention may also be used with other bearings, for example of the form described in the specific embodiments.
The specific embodiment is as follows:
the positioning hole a 2011 is a stepped hole with a large end at the top, and the bearing a 204 is arranged in the large end of the stepped hole and abuts against a stepped surface; the B positioning hole 2021 is a stepped hole with a large end at the bottom, and the B bearing 205 is arranged in the large end of the stepped hole and abuts against the stepped surface. A positioning sleeve 207 is sleeved on the cutter handle 203, and two ends of the positioning sleeve 207 are respectively inserted into the small ends of the A positioning hole 2011 and the B positioning hole 2021 to abut against the inner ring of the A bearing 204 and the inner ring of the B bearing 205; the bearing A204 and the bearing B205 are both deep groove ball bearings. The bearing end face is matched with the stepped face, so that the bearing can bear larger axial load, the service life of the bearing is prolonged, and meanwhile, the effect of preventing the bearing from displacing or directly separating from the positioning hole due to long-time work is achieved. The positioning sleeve 207 is used for axially positioning the bearing inner ring, so that the bearing does not need to bear axial load, and the service life of the bearing is further prolonged; in the embodiment, the deep groove ball bearing is adopted, the rotating limit speed of the reamer 4 is high, and the processing is facilitated to obtain a smooth surface with low surface roughness.
The cylindrical box body 3 is provided with a group of fixing holes 301 distributed along the circumferential direction, and the cylindrical box body 3 is fixedly connected with the spindle box 101 in a threaded connection mode through screws penetrating through the fixing holes 301. The cylindrical box body 3 is fixed by adopting a threaded connection mode, so that the connection strength is high, the stability is good, and the implementation is easy.
The number of the positioning hole groups is 5. In this embodiment, the gang tool has 5 reamers, and can process 5 cylinder holes simultaneously. The drive gear 6 to driven gear 206 ratio is 21/17. (in the present embodiment, the driving gear 201 has 21 teeth and the driven gear 206 has 17 teeth)
And a clamp 7 for fixing the workpiece is arranged below the combined cutter. The equipment is from taking anchor clamps, has removed the trouble that the user additionally need customize anchor clamps from, and the practicality obtains improving.
The above general description of the invention and the description of the specific embodiments thereof, as referred to in this application, should not be construed as limiting the technical solutions of the invention. Those skilled in the art can add, reduce or combine the technical features disclosed in the general description and/or the specific embodiments (including the examples) to form other technical solutions within the protection scope of the present application according to the disclosure of the present application without departing from the structural elements of the present invention.
Claims (9)
1. A equipment for finish machining cylinder hole on vehicle air conditioner compressor casing, its characterized in that: the combined tool comprises a drilling machine (1), wherein a main shaft box (101) of the drilling machine (1) is provided with a combined tool;
the combined cutter comprises a cutter frame (2) and a cylindrical box body (3); the tool rest (2) comprises an A pressure bearing plate (201) and a B pressure bearing plate (202) arranged below the A pressure bearing plate (201);
the pressure bearing plate A (201) and the pressure bearing plate B (202) are both in a round cake shape; the cylindrical box body (3) is sleeved outside the cutter frame (2) and fixedly connected with the A bearing plate (201) and the B bearing plate (202); the cylindrical box body (3) is fixedly connected with the spindle box (101);
the pressure bearing plate A (201) is provided with a group of positioning holes A (2011) which are uniformly distributed along the circumference taking the center of the pressure bearing plate A (201) as the center of a circle; correspondingly, a B positioning hole (2021) is formed in the B bearing plate (202) below each A positioning hole (2011); the positioning hole A (2011) and the positioning hole B (2021) located below the positioning hole A form a positioning hole group, each positioning hole group is provided with a cutter handle (203), and the lower end of each cutter handle (203) is connected with a reamer (4);
the cutter handle (203) is columnar and is respectively connected with the A pressure bearing plate (201) and the B pressure bearing plate (202) through an A bearing (204) in an A positioning hole (2011) and a B bearing (205) in a B positioning hole (2021);
the combined cutter also comprises a transmission shaft (5) of which the upper end is connected with a main shaft of the drilling machine (1), and a driving gear (6) is arranged at the lower end of the transmission shaft (5); correspondingly, a driven gear (206) meshed with the driving gear (6) is arranged at the upper end of the cutter handle (203).
2. The apparatus for finishing a cylinder bore on an automotive air conditioning compressor housing of claim 1 wherein: the bearing A (204) and the bearing B (205) are plane thrust bearings.
3. The apparatus for finishing a cylinder bore on an automotive air conditioning compressor housing of claim 1 wherein: the A positioning hole (2011) is a stepped hole with a large end at the upper part, and the A bearing (204) is arranged in the large end of the stepped hole and is abutted against the stepped surface; the B positioning hole (2021) is a stepped hole with a big end at the bottom, and the B bearing (205) is arranged in the big end of the stepped hole and is abutted to the stepped surface.
4. An apparatus for finishing a cylinder bore on an automotive air conditioning compressor housing as claimed in claim 3, characterized in that: the cutter handle (203) is sleeved with a positioning sleeve (207), and two ends of the positioning sleeve (207) are respectively inserted into the small ends of the A positioning hole (2011) and the B positioning hole (2021) to be abutted against the inner ring of the A bearing (204) and the inner ring of the B bearing (205).
5. The apparatus for finishing a cylinder bore on an automotive air conditioning compressor housing according to any one of claims 1 to 4, characterized in that: the cylindrical box body (3) is provided with a group of fixing holes (301) distributed along the circumferential direction, and the cylindrical box body (3) is fixedly connected with the spindle box (101) in a threaded connection mode through screws penetrating through the fixing holes (301).
6. The apparatus for finishing a cylinder bore on an automotive air conditioning compressor housing according to any one of claims 1 to 4, characterized in that: the number of the positioning hole groups is 5 or 7.
7. The apparatus for finishing a cylinder bore on an automotive air conditioning compressor housing according to any one of claims 1 to 4, characterized in that: the transmission ratio of the driving gear (6) to the driven gear (206) is 1: 1.1 to 1.7.
8. The apparatus for finishing a cylinder bore on an automotive air conditioning compressor housing of claim 7 wherein: the number of teeth of the driving gear (6) and the driven gear (206) is the same as odd number or the same as even number.
9. The apparatus for finishing a cylinder bore on an automotive air conditioning compressor housing according to any one of claims 1 to 4, characterized in that: and a clamp (7) for fixing the workpiece is arranged below the combined cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010063840.8A CN111151819A (en) | 2020-01-20 | 2020-01-20 | Device for finishing cylinder holes on automobile air conditioner compressor shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010063840.8A CN111151819A (en) | 2020-01-20 | 2020-01-20 | Device for finishing cylinder holes on automobile air conditioner compressor shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111151819A true CN111151819A (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010063840.8A Pending CN111151819A (en) | 2020-01-20 | 2020-01-20 | Device for finishing cylinder holes on automobile air conditioner compressor shell |
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| CN (1) | CN111151819A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115351507A (en) * | 2022-08-10 | 2022-11-18 | 株洲市四兴机械有限公司 | Processing technology for air conditioner compressor shell of new energy passenger car |
-
2020
- 2020-01-20 CN CN202010063840.8A patent/CN111151819A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115351507A (en) * | 2022-08-10 | 2022-11-18 | 株洲市四兴机械有限公司 | Processing technology for air conditioner compressor shell of new energy passenger car |
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