CN217194035U - Vertical machining device for elastic positioning of rotary motor cylinder body - Google Patents
Vertical machining device for elastic positioning of rotary motor cylinder body Download PDFInfo
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- CN217194035U CN217194035U CN202220434509.7U CN202220434509U CN217194035U CN 217194035 U CN217194035 U CN 217194035U CN 202220434509 U CN202220434509 U CN 202220434509U CN 217194035 U CN217194035 U CN 217194035U
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Abstract
The utility model relates to a frock, concretely relates to a found frock for rotary motor cylinder body elastic positioning, including bottom plate, a plurality of positioning disks, a plurality of locating pins, a plurality of briquetting, a plurality of sliding pin, a plurality of screw, a plurality of spring, compared with the prior art, the utility model discloses a clamping can a plurality of cylinder bodies, and loading and unloading are easy when guaranteeing efficiency, can not bruise the circumference internal surface in plunger hole. The positioning is accurate, the efficiency is high, and the method is suitable for mass production.
Description
Technical Field
The utility model relates to a frock, concretely relates to a found frock for rotary motor cylinder body elastic positioning belongs to machining technical field.
Background
As shown in fig. 1-2, the cylinder body 100 is a key component of a rotary motor, the cylinder body 100 is provided with 9 plunger holes 101, the upper ends of the plunger holes are oblong openings 102, the precision is high, only one cylinder body 100 can be processed at a time by adopting a common positioning pin, and the efficiency is low; on the other hand, it is difficult to attach and detach the parts, and the circumferential inner surface of the plunger hole is easily scratched.
SUMMERY OF THE UTILITY MODEL
The utility model provides a can improve machining efficiency and guarantee the cylinder body simultaneously and do not take place the vertical processing on-line processing frock that warp, the technical scheme who takes is:
a found frock for rotary motor cylinder body elastic positioning includes
The four corners of the bottom plate are provided with countersunk holes suitable for being fixedly connected with the table board of the vertical adding equipment, the middle part of the bottom plate is provided with a plurality of positioning hole groups, each positioning hole group comprises a bottom plate central hole, 4 bottom plate screw holes are uniformly distributed outside the bottom plate central hole and by taking the circle center of the bottom plate central hole as the circle center, and the left side outside the bottom plate central hole is provided with a bottom plate pin hole;
the number of the positioning discs is consistent with that of the positioning hole groups, the center of the lower surface of each positioning disc extends downwards to form a circular truncated cone, and the circular truncated cone is in transition fit or clearance fit with the center hole of the bottom plate; the upper surface of each positioning disc extends upwards to form a cross boss, the center of the cross boss is provided with an annular groove, and the inner and outer circumferential circular surfaces of the annular groove are in transition fit or clearance fit with the inner and outer circumferential circular surfaces of the cylindrical key cylinder on the lower surface of the rotary motor cylinder body respectively; positioning disk counter bores and positioning disk pin holes are formed in the positions, corresponding to the 4 bottom plate screw holes and the bottom plate pin holes, in the axial direction of the positioning disk; a circumferential positioning hole is formed along the axial direction of the positioning disc and on the opposite side of the pin hole of the positioning disc; long round holes are formed in the radial direction of the positioning disc and on the opposite side of the pin hole of the positioning disc and communicated with the circumferential positioning holes; a central screw hole of the positioning plate is formed in the center of the annular groove;
the positioning pins are in transition fit or clearance fit with the bottom plate pin holes and the positioning plate pin holes respectively;
the plurality of pressing blocks comprise pressing block round tables and pressing block discs which are connected with the pressing block round tables into a whole, and pressing block central holes are formed along the axial direction of the pressing blocks; the outer diameter of the pressing block circular truncated cone is smaller than or equal to the inner diameter of a cylinder body center hole formed in the upper surface of a rotary motor cylinder body, and the outer diameter of the pressing block circular disc is larger than the inner diameter of the cylinder body center hole;
the plurality of sliding pins comprise sliding pin round tables and sliding pin cone tables which are connected with the sliding pin round tables into a whole, and sliding pin screw holes are formed along the radial direction of the sliding pin round tables; the outer diameter of the upper end of the sliding pin frustum is smaller than the inner diameter of a plunger hole on the rotary motor cylinder body, and the outer diameter of the lower end of the sliding pin frustum is larger than the inner diameter of the plunger hole on the rotary motor cylinder body;
a plurality of screws which penetrate through the counter bores of the positioning disc and are in threaded connection with the screw holes of the bottom plate; the central hole of the pressing block is penetrated and is in threaded connection with the central screw hole of the positioning disc; the long round hole is penetrated and is in threaded connection with a sliding pin screw hole;
and the springs are positioned in the circumferential positioning holes, one end of each spring is abutted to the lower surface of the round platform of the sliding pin, and the other end of each spring is abutted to the bottom plate.
Compared with the prior art, the utility model discloses a clamping can a plurality of cylinder bodies, and loading and unloading are easy when guaranteeing efficiency, can not bump the circumference internal surface in plunger hole. The positioning is accurate, the efficiency is high, and the method is suitable for mass production.
Drawings
Fig. 1 is a schematic structural view of a cylinder to be processed.
Fig. 2 is a schematic view of the structure of fig. 1 from another perspective.
Fig. 3 is a schematic structural diagram of the bottom plate of the present invention.
Fig. 4 is a schematic structural diagram of the positioning plate of the present invention.
Fig. 5 is a schematic view of the structure of fig. 4 from another perspective.
Fig. 6 is a schematic structural diagram of the pressing block of the present invention.
Fig. 7 is a schematic structural view of the slide pin of the present invention.
Fig. 8 is a schematic structural diagram of the present invention.
Fig. 9 is a partially enlarged view of fig. 8.
Fig. 10 is a cross-sectional view at a-a of fig. 8.
Fig. 11 is a partially enlarged view of fig. 10.
Detailed Description
As shown in figures 2-11, the vertical processing tool for elastically positioning the cylinder body of the rotary motor comprises
The structure comprises a bottom plate 1, wherein four corners of the bottom plate 1 are provided with countersunk holes 11 suitable for being fixedly connected with a table board of a vertical processing device, the middle part of the bottom plate 1 is provided with 8 positioning hole groups, each positioning hole group comprises a bottom plate central hole 12, 4 bottom plate screw holes 13 are uniformly distributed outside the bottom plate central hole 12 and with the circle center of the bottom plate central hole 12 as the circle center, and the left side outside the bottom plate central hole 12 is provided with a bottom plate pin hole 14;
the center of the lower surface of each positioning disc 2 extends downwards to form a circular truncated cone 21, and the circular truncated cone 21 is in transition fit or clearance fit with the central hole 12 of the bottom plate; the upper surface of each positioning disc 2 extends upwards to form a cross boss 22, the center of the cross boss 22 is provided with an annular groove 23, and the inner and outer circumferential circular surfaces of the annular groove 23 are in transition fit or clearance fit with the inner and outer circumferential circular surfaces of the cylindrical key cylinder 103 on the lower surface of the rotary motor cylinder 100 respectively; a positioning disc counter bore 24 and a positioning disc pin hole 25 are arranged along the axial direction of the positioning disc 2 and at positions corresponding to the 4 bottom plate screw holes 13 and the bottom plate pin holes 14; a circumferential positioning hole 26 is formed along the axial direction of the positioning disc 2 and on the opposite side of the positioning disc pin hole 25; long round holes 27 are formed in the radial direction of the positioning disc 2 and on the opposite side of the positioning disc pin hole 25, and the long round holes 27 are communicated with the circumferential positioning holes 26; the center of the circular groove 23 is provided with a central screw hole 28 of the positioning disc;
8 positioning pins 3 are in transition fit or clearance fit with the bottom plate pin holes 14 and the positioning disc pin holes 25 respectively;
the 8 pressing blocks 4 comprise pressing block round tables 41 and pressing block discs 42 which are connected with the pressing block round tables 41 into a whole, and pressing block central holes 43 are formed along the axial direction of the pressing blocks 4; the outer diameter of the pressing block circular truncated cone 41 is smaller than or equal to the inner diameter of a cylinder body center hole 104 formed in the upper surface of the rotary motor cylinder body 100, and the outer diameter of the pressing block circular disc 42 is larger than the inner diameter of the cylinder body center hole 104;
the 8 sliding pins 5 comprise sliding pin round tables 51, sliding pin cone tables 52 which are connected with the sliding pin round tables 51 into a whole, and sliding pin screw holes 53 are formed along the radial direction of the sliding pin round tables 51; the sliding pin circular truncated cone 51 is in transition fit or clearance fit with the circumferential positioning hole 26, the outer diameter of the upper end of the sliding pin circular truncated cone 52 is smaller than the inner diameter of the plunger hole 101 in the rotary motor cylinder 100, and the outer diameter of the lower end of the sliding pin circular truncated cone 52 is larger than the inner diameter of the plunger hole 101 in the rotary motor cylinder 100;
32 screws 6 which penetrate through the counter bores 24 of the 2 opposite positioning discs and are in threaded connection with the screw holes 13 of the bottom plate; the central hole 43 of the pressing block is penetrated and is in threaded connection with the central screw hole 28 of the positioning disc; passes through the oblong hole 27 and is in threaded connection with a sliding pin screw hole 53;
and 8 springs 7 located in the circumferential positioning holes 26, one end of each spring being in contact with the lower surface of the slide pin round table 51, and the other end of each spring being in contact with the bottom plate 1.
When the machining is carried out immediately, the bottom plate 1 is fixedly connected to a working table of a vertical machining center, and a cutter of the vertical machining center machines the long circular openings 102 of the 8 cylinders 100 to be machined, namely, the machining of the 72 long circular openings 102 on the 8 cylinders 100 to be machined is completed at one time, so that the machining is very efficient. The slide pin 5 not only circumferentially positions the cylinder block 100 to be processed, but also ensures that the circumferential inner surface of the plunger hole of the cylinder block 100 to be processed is not damaged, and is easy to assemble and disassemble.
Claims (1)
1. A found frock for rotary motor cylinder body elastic positioning, its characterized in that includes
The structure comprises a bottom plate (1), counter bores (11) suitable for being fixedly connected with a table board of vertical equipment are formed in four corners of the bottom plate (1), a plurality of positioning hole groups are formed in the middle of the bottom plate, each positioning hole group comprises a bottom plate center hole (12), 4 bottom plate screw holes (13) are uniformly distributed outside the bottom plate center hole (12) by taking the circle center of the bottom plate center hole (12) as the circle center, and bottom plate pin holes (14) are formed in the left side outside the bottom plate center hole (12);
the number of the positioning discs (2) is consistent with that of the positioning hole groups, the center of the lower surface of each positioning disc (2) extends downwards to form a circular truncated cone (21), and the circular truncated cone (21) is in transition fit or clearance fit with the central hole (12) of the bottom plate; the upper surface of each positioning disc (2) extends upwards to form a cross boss (22), the center of the cross boss (22) is provided with an annular groove (23), and the inner and outer circumferential circular surfaces of the annular groove (23) are in transition fit or clearance fit with the inner and outer circumferential circular surfaces of a cylindrical key cylinder (103) on the lower surface of a rotary motor cylinder body (100) respectively; a positioning disc counter bore (24) and a positioning disc pin hole (25) are formed in the position, corresponding to the 4 bottom plate screw holes (13) and the bottom plate pin holes (14), of the positioning disc (2) in the axial direction; a circumferential positioning hole (26) is formed in the axial direction of the positioning disc (2) and on the opposite side of the positioning disc pin hole (25); long round holes (27) are formed in the radial direction of the positioning disc (2) and on the opposite side of the positioning disc pin hole (25), and the long round holes (27) are communicated with the circumferential positioning holes (26); the center of the circular groove (23) is provided with a central screw hole (28) of the positioning disc;
the number of the positioning pins (3) is consistent with that of the positioning hole groups, and the positioning pins are in transition fit or clearance fit with the bottom plate pin holes (14) and the positioning disc pin holes (25) respectively;
the number of the pressing blocks (4) is consistent with that of the positioning hole groups, and the pressing blocks comprise pressing block round tables (41) and pressing block discs (42) which are connected with the pressing block round tables (41) into a whole, and pressing block central holes (43) are formed along the axial direction of the pressing blocks (4); the outer diameter of the pressing block round platform (41) is less than or equal to the inner diameter of a cylinder body center hole (104) formed in the upper surface of the rotary motor cylinder body (100), and the outer diameter of the pressing block disc (42) is greater than the inner diameter of the cylinder body center hole (104);
the number of the sliding pins (5) is consistent with that of the positioning hole groups, and the sliding pin structure comprises a sliding pin circular table (51), a sliding pin circular table (52) which is connected with the sliding pin circular table (51) into a whole, and sliding pin screw holes (53) are formed along the radial direction of the sliding pin circular table (51); the sliding pin round platform (51) is in transition fit or clearance fit with the circumferential positioning hole (26), the outer diameter of the upper end of the sliding pin conical platform (52) is smaller than the inner diameter of a plunger hole (101) of the rotary motor cylinder body (100), and the outer diameter of the lower end of the sliding pin conical platform (52) is larger than the inner diameter of the plunger hole (101) of the rotary motor cylinder body (100);
a plurality of screws (6) which penetrate through counter bores (24) of the positioning disc and are in threaded connection with screw holes (13) of the bottom plate; the central hole (43) of the pressing block is penetrated and is in threaded connection with the central screw hole (28) of the positioning disc; passes through the long round hole (27) and is in threaded connection with a sliding pin screw hole (53);
and a plurality of springs (7) having the same number as the positioning hole groups, located in the circumferential positioning holes (26), having one end abutting against the lower surface of the slide pin circular truncated cone (51) and the other end abutting against the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220434509.7U CN217194035U (en) | 2022-03-02 | 2022-03-02 | Vertical machining device for elastic positioning of rotary motor cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220434509.7U CN217194035U (en) | 2022-03-02 | 2022-03-02 | Vertical machining device for elastic positioning of rotary motor cylinder body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217194035U true CN217194035U (en) | 2022-08-16 |
Family
ID=82754497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220434509.7U Active CN217194035U (en) | 2022-03-02 | 2022-03-02 | Vertical machining device for elastic positioning of rotary motor cylinder body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217194035U (en) |
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2022
- 2022-03-02 CN CN202220434509.7U patent/CN217194035U/en active Active
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