CN204018755U - A kind of gang tool for the processing of refrigerator compressor piston pin hole - Google Patents
A kind of gang tool for the processing of refrigerator compressor piston pin hole Download PDFInfo
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- CN204018755U CN204018755U CN201420446547.XU CN201420446547U CN204018755U CN 204018755 U CN204018755 U CN 204018755U CN 201420446547 U CN201420446547 U CN 201420446547U CN 204018755 U CN204018755 U CN 204018755U
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Abstract
The utility model relates to a kind of gang tool for the processing of refrigerator compressor piston pin hole, comprise flange handle of a knife, slip cap, slip cutter spindle, bearing assembly, described flange handle of a knife assembly is by flanged handle of a knife (1), connecting bolt (2), spring (3) forms, described slip cap assembly is by sliding sleeve (5), stroke adjustmenting screw (4), thrust jump ring one (11) forms, described slip cutter spindle assembly is by key pin (6), multidiameter knife bar (7), interior chamfering blade (8), stroke limit adjusting bolt (9), bearing pin (10), press finishing apparatus (17) forms, described bearing assembly is by thrust jump ring two (12), thrust jump ring three (32), knife bar bearing (13), bearing holder (housing, cover) (14), clamp nut (15), interior chamfering position adjustments piece (16) forms, adopt combinations thereof cutter to process, shortened productive temp, improved oil groove crudy, therefore there are wide market prospects.
Description
Technical field
The utility model relates to refrigeration compressor piston manufacture field, is specifically related to a kind of gang tool for the processing of refrigerator compressor piston pin hole.
Background technology
Freezer compressor pump body structure is a typical piston crank mechanism, as shown in Figure 1, wherein piston pin 33 plays the important function that connects piston 34 and connecting rod 35, piston pin hole is the matching pair that piston matches with piston pin, the height of matching pair precision directly has influence on the flexibility ratio between piston and connecting rod, thereby has determined to a certain extent the pump housing efficiency of compressor; Piston pin hole processing is Piston Machining important component part, and machining accuracy is higher, and operation is more, and operation roughly has: the angle of spot hole of falling cylindrical, boring, reaming, bore hole, tumbling, interior chamfering.
In actual production, in pin hole processing, the procedure of processing of chamfering process roughly as shown in Figure 2: 1, operating personnel take out and hand-held piston 34 in material frame, the ball cutter 36 by piston cavity near rotation; 2, piston pin hole is contacted to milling cutter with piston cavity junction 37, mill out interior chamfering; 3,, along piston cavity, take out piston.
In above machining piston pin-and-hole, the mode of chamfering has following several shortcoming: 1, piston cavity space is less, and at hand-held piston, milling cutter enters inner chamber to arriving in the process of interior chamfering position, and milling cutter easily touches other positions of inner chamber, causes Remedy for Piston Damage; 2,, in piston during chamfer machining (milling cutter contact machining piston pin-and-hole and piston cavity junction 37), milling cutter has larger active force to piston, piston small volume, and operator is careless slightly, and piston, with regard to likely landing, even causes danger to operator; While 3, processing interior chamfering, the Working position of interior chamfering, allowance, process time are completely by operator's perception.Thereby the problem such as may cause that chamfering is monolateral, chamfering is excessive, chamfering angle size differs even chamfering is undressed; 4, because interior chamfering process is completely by manual operation, consuming time more.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of reasonable in design, and process time is short, and what machining accuracy was high can carry out the gang tool of tumbling and chamfer machining simultaneously to refrigerator compressor piston pin hole.
The technical solution of the utility model is: a kind of gang tool for the processing of refrigerator compressor piston pin hole, it is characterized in that: comprise flange handle of a knife assembly, slip cap assembly, slip cutter spindle assembly, bearing assembly, described flange handle of a knife assembly is by flanged handle of a knife, connecting bolt, spring forms, described slip cap assembly is by sliding sleeve, stroke adjustmenting screw, thrust jump ring one forms, described slip cutter spindle assembly is by key pin, multidiameter knife bar, interior chamfering blade, stroke limit adjusting bolt, bearing pin, press finishing apparatus forms, described bearing assembly is by thrust jump ring two, thrust jump ring three, knife bar bearing, bearing holder (housing, cover), clamp nut, interior chamfering position adjustments piece forms,
Described flanged handle of a knife Zhou center is provided with on spring, flange face and is provided with connecting bolt;
Described sliding sleeve inner cylinder face axial direction is provided with the operation guide-track groove of key pin, described sliding sleeve annulus end face is provided with the installing hole matching with connecting bolt, the end internal circular surfaces radial direction of described sliding sleeve is designed with thrust jump ring one, described in slide over and radially from outer cylinder surface, be through to inner periphery and be respectively arranged with stroke adjustmenting screw and stroke limit adjusting bolt;
Described multidiameter knife bar is provided with five multidiameters, the first multidiameter front end is provided with press finishing apparatus slotted eye is installed, the diameter of axle of the second multidiameter is more bigger than the diameter of axle of the first multidiameter, its end is the thrust shaft shoulder of press finishing apparatus, the 3rd multidiameter is knife bar bearing installation shaft, its front end is provided with thrust jump ring three mounting grooves, the diameter of axle of four-step axle is more bigger than the diameter of axle of the 3rd multidiameter, its end is the thrust shaft shoulder of knife bar bearing, the 5th multidiameter is provided with interior chamfering blade, bearing pin installing hole, the mounting groove matching with key pin operation guide-track groove, the installation hole slot of stroke limit adjusting bolt, the installation hole slot of spring, the installation slot to make way of stroke adjustmenting screw,
Described bearing holder (housing, cover) inside is provided with the knife bar bearing installation shaft, thrust jump ring two mounting grooves and the interior chamfering position adjustments piece that match with multidiameter knife bar the 3rd flight internal thread is installed; Described interior chamfering position adjustments piece is socketed in the second flight outside of multidiameter knife bar, and its external cylindrical surface screw thread matches with bearing holder (housing, cover), clamp nut internal thread.
Described bearing pin installing hole one is parallel to the radial direction of axle, radially runs through the 5th multidiameter of multidiameter knife bar; Described interior chamfering blade is arranged on the axial centre of multidiameter knife bar, whole length run through second and third, four, five multidiameters.
Described interior chamfering blade front end is provided with cutter head, and centre is provided with bearing pin installing hole two, and afterbody is respectively arranged with the stressed inclined-plane one tapping mutually with stroke adjustmenting screw and the stressed inclined-plane two tapping mutually with stroke limit adjusting bolt.
Described press finishing apparatus is tumbling cutter sub-assembly.
The installation hole slot of described stroke limit adjusting bolt becomes 30 degree angles with axle radial direction.
The utility model compared to existing technology tool has the following advantages: the one, and in piston pin hole, chamfering and two operations of pin-and-hole tumbling are merged into an operation, shortened productive temp, production efficiency is improved, and the productive temp of 25 seconds shortens to 12 seconds originally, has greatly improved working (machining) efficiency; Two be that two operations are merged into an operation, transit link in the middle of having reduced, and loading and unloading link, material clamping link, has reduced colliding with in the non-processing of piston period effectively, has improved the accuracy of manufacture of piston; The 3rd, improved the safety guarantee of production operator, this gang tool has solved the problem of artificial hand-held piston contact milling cutter, has eliminated operator's potential safety hazard in process; The 4th, the uniformity such as the size of the interior chamfering of pin-and-hole, position are improved, and therefore have broad application prospects.
Accompanying drawing explanation
Fig. 1 is piston connecting rod structure schematic diagram;
Fig. 2 is chamfer machining schematic diagram in prior art pin-and-hole;
Fig. 3 is gang tool internal structure schematic diagram one;
Fig. 4 is gang tool internal structure schematic diagram two;
Fig. 5 is multidiameter knife bar internal structure schematic diagram one;
Fig. 6 is multidiameter knife bar internal structure schematic diagram two;
Fig. 7 is interior chamfering blade structural representation.
The specific embodiment
Below in conjunction with accompanying drawing 3-7 and the specific embodiment, the utility model is described in further detail:
A kind of gang tool for the processing of refrigerator compressor piston pin hole, comprise flange handle of a knife assembly, slip cap assembly, slip cutter spindle assembly, bearing assembly, described flange handle of a knife assembly is by flanged handle of a knife 1, connecting bolt 2, spring 3 forms, described slip cap assembly is by sliding sleeve 5, stroke adjustmenting screw 4, thrust jump ring 1 forms, described slip cutter spindle assembly is by key pin 6, multidiameter knife bar 7, interior chamfering blade 8, stroke limit adjusting bolt 9, bearing pin 10, press finishing apparatus 17 forms, described bearing assembly is by thrust jump ring 2 12, thrust jump ring 3 32, knife bar bearing 13, bearing holder (housing, cover) 14, clamp nut 15, interior chamfering position adjustments piece 16 forms,
Described flanged handle of a knife 1 Zhou center is provided with and on spring 3, flange face, is provided with connecting bolt 2;
Described sliding sleeve 5 inner cylinder face axial directions are provided with the operation guide-track groove of key pin 6, described sliding sleeve 5 annulus end faces are provided with the installing hole matching with connecting bolt 2, the end internal circular surfaces radial direction of described sliding sleeve 5 is designed with thrust jump ring 1, and described sliding sleeve 5 is respectively arranged with stroke adjustmenting screw 4 and stroke limit adjusting bolt 9 being radially through to inner periphery from outer cylinder surface;
Described multidiameter knife bar 7 is provided with five multidiameters, the first multidiameter 19 front ends are provided with press finishing apparatus 17 slotted eye are installed, the diameter of axle of the second multidiameter 20 is more bigger than the diameter of axle of the first multidiameter 19, its end is the thrust shaft shoulder of press finishing apparatus 17, the 3rd multidiameter 21 is knife bar bearing 13 installation shaft, its front end is provided with thrust jump ring 3 32 mounting grooves, the diameter of axle of four-step axle 22 is more bigger than the diameter of axle of the 3rd multidiameter 21, its end is the thrust shaft shoulder of knife bar bearing 13, the 5th multidiameter 23 is provided with interior chamfering blade 8, bearing pin 10 installing holes 1, the mounting groove 25 matching with key pin 6 operation guide-track grooves, the installation hole slot 26 of stroke limit adjusting bolt 9, the installation hole slot 27 of spring 3, the installation slot to make way 28 of stroke adjustmenting screw 4.
Described bearing holder (housing, cover) 14 inside are provided with knife bar bearing 13 installation shaft, thrust jump ring 2 12 mounting grooves and the interior chamfering position adjustments piece 16 that match with multidiameter knife bar 7 the 3rd flight internal thread are installed; Described interior chamfering position adjustments piece 16 is socketed in the second flight outside of multidiameter knife bar 7, and its external cylindrical surface screw thread matches with bearing holder (housing, cover) 14, clamp nut 15 internal threads, for chamfering position adjustments piece in fixing 16, screws in the bearing holder (housing, cover) degree of depth.
Described bearing pin 10 installing holes 1 are parallel to the radial direction of axle, radially run through the 5th multidiameter 23 of multidiameter knife bar 7; Described interior chamfering blade 8 is arranged on the axial centre of multidiameter knife bar 7, whole length run through second and third, four, five multidiameters.
Described interior chamfering blade 8 front ends are provided with cutter head 18, and centre is provided with bearing pin 10 installing holes 2 31, and afterbody is respectively arranged with the stressed inclined-plane 1 tapping mutually with stroke adjustmenting screw 4 and the stressed inclined-plane 2 30 tapping mutually with stroke limit adjusting bolt 9.
Described press finishing apparatus 17 is tumbling cutter sub-assembly.
The installation hole slot 26 of described stroke limit adjusting bolt 9 becomes 30 degree angles with axle radial direction.
Flange handle of a knife assembly and slip cap assembly are used connecting bolt 2 to be connected and fixed, slip cutter spindle assembly is fixed in slip cap assembly by the axial limiting of the 5th multidiameter 23 in sliding sleeve 5 of the multidiameter knife bar 7 of one 11 pairs of knife bar shaft assemblies of thrust jump ring, bearing assembly coordinates with the 3rd multidiameter 21 of the multidiameter knife bar 7 of slip cutter spindle assembly by bearing 13, and thrust jump ring 2 12 axial limitings that are arranged on multidiameter knife bar 7 the 3rd multidiameter 21, be fixed on slip cutter spindle assembly.
The using method of gang tool:
Appear for the first time and adjust each parameters of operating part: gang tool is simultaneously to pin-and-hole tumbling and chamfering, according to piston pin hole internal diameter, chamfering angle size, the parameters such as two chamfering distances design chamfering blade 8 sizes, stroke adjustmenting screw 4 and stroke limit adjusting bolt 9 screw in stroke, unit head stroke and interior chamfering position adjustments piece 16 positions, multidiameter knife bar 7 is moved along sliding sleeve 5 backward, while arriving end of travel (being spring maximum compressibility), just stroke adjustmenting screw 4 pushes the stressed inclined-plane 1 of stroke adjustment of chamfering blades 8, chamfering blade 8 afterbody stroke limits regulate stressed inclined-plane 2 30 also to encounter stroke limit adjusting bolt 9, and now, front end cutter head 18 when producing leverage up the amplitude of lifting reach maximum, the chamfering processing during lifting amplitude maximum, just equal the piston inner hole chamfering angle size that will set, then after piston contacts with interior chamfering position adjustments piece 16, 18 liang of blade center lines of the interior chamfering center line of piston two and cutter head overlap, guarantee both sides inner bore chamfering size evenly.
Then gang tool is processed by following operation:
The first step, positioning compression after piston material loading.Gang tool under the effect of unit head, rotate and march forward to, piston pin hole tumbling processing unit (plant) 17 is introduced into piston pin hole, and pin-and-hole is carried out to tumbling for the first time;
Second step, gang tool continues feeding, when interior chamfering position adjustments piece 16 is encountered outside piston, the internal chamfering position adjustments of piston piece 16 produces extruding force, because of bearing assembly relative fixing with slip cutter spindle assembly, after stressed, still keep relative fixed position, extruding force passes to the multidiameter knife bar 7 of slip cutter spindle assembly by bearing assembly, multidiameter knife bar 7 five-stage axles 23 chute Compress Spring 3 by key pin 6 in sliding sleeve 5 moves backward, the chamfering blade 8 of installing on multidiameter knife bar 7 also with after move, in moving process, stroke adjustmenting screw 4 is fixed on sliding sleeve 5 and does not move, and the chamfering blade 8 stressed inclined-planes 1 of afterbody stroke adjustment are pushed, now chamfering blade 8 produces leverage at the squeezing action lower bearing pin 10 of stroke adjustmenting screw 4, chamfering blade 8 front end cutter head 18 liftings from multidiameter knife bar 7, piston pin hole and inner chamber junction are carried out to chamfering, now, unit head reaches the maximum amount of feeding and stops 2 seconds, gang tool completes piston pin hole and chamfering is carried out in inner chamber junction,
The 3rd step, piston pin hole and inner chamber junction are carried out after chamfering completes, gang tool rotates and withdraws backward under the effect of unit head, the extruding force that the internal chamfering position adjustments of piston piece 16 produces disappears thereupon, slip cutter spindle assembly moves forward under the active force of spring 3, the effect that stroke adjustmenting screw 4 and stroke limit adjusting bolt 9 do not produce power to chamfering blade 8 gradually, leverage disappears, chamfering blade 8 front end cutter heads 18 are hidden into multidiameter knife bar 7 the insides again, gang tool continues to withdraw backward, the processing unit (plant) of tumbling simultaneously 17 carries out tumbling to piston pin hole again, complete the processing to piston hole.
The above; it is only this practical preferably specific embodiment; but the utility model protection domain is not limited to this, according to the technical solution of the utility model and inventive concept thereof, is equal to replacement or is changed, within all should being encompassed in protection domain of the present utility model.
Claims (5)
1. the gang tool for refrigerator compressor piston pin hole processing, it is characterized in that: comprise flange handle of a knife assembly, slip cap assembly, slip cutter spindle assembly, bearing assembly, described flange handle of a knife assembly is by flanged handle of a knife (1), connecting bolt (2), spring (3) forms, described slip cap assembly is by sliding sleeve (5), stroke adjustmenting screw (4), thrust jump ring one (11) forms, described slip cutter spindle assembly is by key pin (6), multidiameter knife bar (7), interior chamfering blade (8), stroke limit adjusting bolt (9), bearing pin (10), press finishing apparatus (17) forms, described bearing assembly is by thrust jump ring two (12), thrust jump ring three (32), knife bar bearing (13), bearing holder (housing, cover) (14), clamp nut (15), interior chamfering position adjustments piece (16) forms,
Described flanged handle of a knife (1) Zhou center is provided with and on spring (3), flange face, is provided with connecting bolt (2);
Described sliding sleeve (5) inner cylinder face axial direction is provided with the operation guide-track groove of key pin (6), described sliding sleeve (5) annulus end face is provided with the installing hole matching with connecting bolt (2), the end internal circular surfaces radial direction of described sliding sleeve (5) is designed with thrust jump ring one (11), and described sliding sleeve (5) is respectively arranged with stroke adjustmenting screw (4) and stroke limit adjusting bolt (9) being radially through to inner periphery from outer cylinder surface;
Described multidiameter knife bar (7) is provided with five multidiameters, the first multidiameter (19) front end is provided with press finishing apparatus (17) slotted eye is installed, the diameter of axle of the second multidiameter (20) is more bigger than the diameter of axle of the first multidiameter (19), its end is the thrust shaft shoulder of press finishing apparatus (17), the 3rd multidiameter (21) is knife bar bearing (13) installation shaft, its front end is provided with thrust jump ring three (32) mounting grooves, the diameter of axle of four-step axle (22) is more bigger than the diameter of axle of the 3rd multidiameter (21), its end is the thrust shaft shoulder of knife bar bearing (13), the 5th multidiameter (23) is provided with interior chamfering blade (8), bearing pin (10) installing hole one (24), the mounting groove (25) matching with key pin (6) operation guide-track groove, the installation hole slot (26) of stroke limit adjusting bolt (9), the installation hole slot (27) of spring (3), the installation slot to make way (28) of stroke adjustmenting screw (4),
Described bearing holder (housing, cover) (14) inside is provided with knife bar bearing (13) installation shaft, thrust jump ring two (12) mounting grooves and the interior chamfering position adjustments piece (16) that match with multidiameter knife bar (7) the 3rd flight internal thread is installed; Described interior chamfering position adjustments piece (16) is socketed in the second flight outside of multidiameter knife bar (7), and its external cylindrical surface screw thread matches with bearing holder (housing, cover) (14), clamp nut (15) internal thread.
2. gang tool according to claim 1, is characterized in that: described bearing pin (10) installing hole one (24) is parallel to the radial direction of axle, radially runs through the 5th multidiameter (23) of multidiameter knife bar (7); Described interior chamfering blade (8) is arranged on the axial centre of multidiameter knife bar (7), whole length run through second and third, four, five multidiameters.
3. gang tool according to claim 1, it is characterized in that: described interior chamfering blade (8) front end is provided with cutter head (18), centre is provided with bearing pin (10) installing hole two (31), and afterbody is respectively arranged with the stressed inclined-plane one (29) tapping mutually with stroke adjustmenting screw (4) and the stressed inclined-plane two (30) tapping mutually with stroke limit adjusting bolt (9).
4. gang tool according to claim 1, is characterized in that: described press finishing apparatus (17) is tumbling cutter sub-assembly.
5. gang tool according to claim 1, is characterized in that: the installation hole slot (26) of described stroke limit adjusting bolt (9) becomes 30 degree angles with axle radial direction.
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CN201420446547.XU CN204018755U (en) | 2014-08-09 | 2014-08-09 | A kind of gang tool for the processing of refrigerator compressor piston pin hole |
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CN201420446547.XU CN204018755U (en) | 2014-08-09 | 2014-08-09 | A kind of gang tool for the processing of refrigerator compressor piston pin hole |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104759647A (en) * | 2015-04-19 | 2015-07-08 | 内蒙古北方重型汽车股份有限公司 | Adjustable chamfering boring tool and method for conducting hole chamfering |
CN107755739A (en) * | 2017-10-31 | 2018-03-06 | 华意压缩机股份有限公司 | Processing equipment for cylinder hole of crankcase of compressor |
CN109332727A (en) * | 2018-11-02 | 2019-02-15 | 成都银河动力有限公司 | A kind of piston pin hole inclined-plane interior angle processing unit (plant) and method |
CN114054791A (en) * | 2021-12-24 | 2022-02-18 | 重庆渝记涵诚机械制造有限公司 | Method for automatically positioning hole machining depth |
-
2014
- 2014-08-09 CN CN201420446547.XU patent/CN204018755U/en active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104759647A (en) * | 2015-04-19 | 2015-07-08 | 内蒙古北方重型汽车股份有限公司 | Adjustable chamfering boring tool and method for conducting hole chamfering |
CN107755739A (en) * | 2017-10-31 | 2018-03-06 | 华意压缩机股份有限公司 | Processing equipment for cylinder hole of crankcase of compressor |
CN107755739B (en) * | 2017-10-31 | 2024-04-16 | 长虹华意压缩机股份有限公司 | Compressor crankcase Cylinder bore processing equipment |
CN109332727A (en) * | 2018-11-02 | 2019-02-15 | 成都银河动力有限公司 | A kind of piston pin hole inclined-plane interior angle processing unit (plant) and method |
CN114054791A (en) * | 2021-12-24 | 2022-02-18 | 重庆渝记涵诚机械制造有限公司 | Method for automatically positioning hole machining depth |
CN114054791B (en) * | 2021-12-24 | 2024-05-24 | 重庆渝记涵诚机械制造有限公司 | Method for automatically positioning hole machining depth |
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GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: 333000 No. 1 Changhong Avenue, Jingdezhen High-tech Zone, Jiangxi Province (High-tech Development Zone) Patentee after: Changhong Huayi Compressor Co., Ltd. Address before: 333000 No. 1 Changhong Road, Jingdezhen High-tech Zone, Jiangxi Province Patentee before: Huayi Compressor Co.,Ltd. |
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CP03 | Change of name, title or address |