CN220575299U - Integral plunger sleeve quick-change reaming honing fixture - Google Patents
Integral plunger sleeve quick-change reaming honing fixture Download PDFInfo
- Publication number
- CN220575299U CN220575299U CN202322155954.7U CN202322155954U CN220575299U CN 220575299 U CN220575299 U CN 220575299U CN 202322155954 U CN202322155954 U CN 202322155954U CN 220575299 U CN220575299 U CN 220575299U
- Authority
- CN
- China
- Prior art keywords
- outer ring
- workpiece
- workpiece seat
- plunger sleeve
- floating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003754 machining Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model relates to an integral type plunger sleeve quick-change reaming and honing fixture which comprises a fixture body, a workpiece seat arranged at the far end of the fixture body, and a floating positioning mechanism arranged between the fixture body and the workpiece seat, wherein a workpiece positioning hole is formed in the workpiece seat, the floating positioning mechanism comprises an outer ring, a shaft pin and an elastic piece, the outer ring is in floating connection with the fixture body, the workpiece seat is in floating connection with the outer ring, a part to be machined is clamped on the workpiece seat, and through the floating connection between the workpiece seat and the outer ring and between the outer ring and the fixture body, the floating positioning clamping of the part to be machined is realized, so that a honing tool can accurately extend into a workpiece hole and eliminate radial force, meanwhile, the error of the workpiece in the horizontal direction is compensated, the honing tool is matched for machining, the required groove or the bulge shape is cut, and the straightness and cylindricity of the machining hole are greatly improved.
Description
Technical Field
The utility model relates to the technical field of machining equipment, in particular to an integral plunger sleeve quick-change reaming and honing fixture.
Background
The plunger sleeve is a key part in the fuel injection pump and is used for guiding the movement of the plunger to play a role of a sliding bearing, so that the accuracy requirement of the hole in the plunger sleeve is higher.
The inner hole of the driven plunger sleeve is formed by horizontal honing, and the reaming and honing process is used for processing at present for higher production efficiency and processing precision.
The honing process is developed on the basis of the conventional honing process, and compared with the conventional honing process, the honing head is set to the final machining size required for the workpiece in advance. Therefore, the cutting process of the reaming and honing can be completed only by 1-3 reciprocating strokes. The shape and the size precision of the hole can be improved after reaming and honing, and the hole can be extremely high in precision by matching with a reasonable tool and a machine tool.
In the reaming and honing process, for better cutting of the required groove or bulge shape, the plunger sleeve is required to be positioned in a floating mode, if the plunger sleeve is completely fixed, workpiece installation errors and cutter positioning errors cannot be eliminated, so that machining operation becomes difficult.
Therefore, it is necessary to design a plunger sleeve tool suitable for reaming and honing, and efficiency and accuracy are improved.
Disclosure of Invention
In view of the foregoing shortcomings of the prior art, it is an object of the present utility model to provide an integral plunger sleeve quick-change reaming and honing fixture that solves one or more of the problems of the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
an integral plunger sleeve quick-change reaming and honing fixture, comprising:
the workpiece seat is arranged at the far end of the clamp body, the floating positioning mechanism is arranged between the clamp body and the workpiece seat, the workpiece seat is provided with a workpiece positioning hole, the floating positioning mechanism comprises an outer ring, the outer ring is in floating connection with the clamp body, the workpiece seat is in floating connection with the outer ring, a part to be machined is clamped on the workpiece seat, and the workpiece seat is in floating connection with the outer ring and the clamp body to realize floating positioning clamping of the part to be machined.
Further, the outer ring is in floating connection with the clamp body and the outer ring is in floating connection with the workpiece seat through a first pin shaft, a second pin shaft and a spring piece.
Further, the distal end of the fixture body is further provided with a second extension portion, the second extension portion and the outer ring are correspondingly provided with first pin holes, and the workpiece seat and the outer ring are correspondingly provided with second pin holes.
Further, the first pin hole of the second extension part and the side surface of the second pin hole of the workpiece seat are communicated and provided with a first screw hole.
Further, flat positions are respectively formed on the side surfaces of the first pin shaft and the second pin shaft.
Further, a second screw hole is formed in the far end of the workpiece seat, and a limit screw is connected with the far end of the workpiece seat.
Further, a plurality of first extending parts are arranged on the side face of the clamp body, and a fixing groove is formed between the two first extending parts.
Further, the distal end face of the first extension portion is higher than the distal end face of the clamp body.
Further, a fixing hole is formed in the proximal end of the clamp body.
Compared with the prior art, the utility model has the following beneficial technical effects:
(1) According to the integral type plunger sleeve quick-change reaming and honing fixture, the workpiece seat is in floating connection with the outer ring, and the outer ring is in floating connection with the fixture body, so that a part to be machined placed on the workpiece seat smoothly enters a machining hole center, positioning errors of the fixture are eliminated, radial resistance is reduced, and machining of the reaming and honing tool is matched, and required machining size, roughness and shape accuracy are achieved.
(2) Further, between the outer ring and the clamp body, between the outer ring and the workpiece seat, the outer ring is in floating connection with the clamp body through the first pin shaft, the second pin shaft and the elastic piece respectively, so that the outer ring can slide relative to the clamp body along the first pin shaft, the outer ring can slide relative to the workpiece seat along the second pin shaft, further, the part to be machined on the workpiece seat is in floating installation, the connecting structure is simple, the machining is convenient, and the cost is reduced.
(3) Furthermore, elastic sheets are further arranged among the clamp body, the outer ring and the workpiece seat, and flexible clamping is realized by matching with the rotation of the workpiece, so that the cutter and the surface of the plunger are kept in close contact, and a better processing effect is obtained.
(4) Furthermore, the workpiece seat is provided with a workpiece positioning hole and is provided with a limit screw, and the workpiece to be processed can be clamped only by inserting the workpiece to be processed into the workpiece positioning hole, so that the clamping is simple, the workpiece is fast-assembled, and the working efficiency is high.
Drawings
Fig. 1 shows a schematic top view of a unitary plunger sleeve quick-change reaming and honing fixture according to an embodiment of the utility model.
Fig. 2 shows a schematic front view of a unitary plunger sleeve quick-change reaming and honing fixture according to an embodiment of the utility model.
Fig. 3 shows a cross-sectional view of a unitary plunger sleeve quick-change reaming and honing fixture at a provided by an embodiment of the utility model.
Fig. 4 shows a schematic top view of a fixture body in a unitary plunger sleeve quick-change reaming and honing fixture according to an embodiment of the utility model.
Fig. 5 shows a cross-sectional view of a unitary plunger sleeve quick-change reaming and honing fixture at B provided by an embodiment of the utility model.
The reference numerals in the drawings:
1. a clamp body; 11. a fixing hole; 12. a first extension; 121. a fixing groove; 13. a second extension; 131. a first pin hole; 132. a first screw hole; 2. a floating positioning mechanism; 21. an outer ring; 211. a second pin hole; 22. a first pin; 221. a flat position; 23. a second pin; 24. a set screw; 25. an elastic sheet; 3. a workpiece seat; 31. a limit screw; 32. a workpiece positioning hole; 4. and (5) a part to be processed.
Detailed Description
For a better understanding of the utility model with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it would be understood by those skilled in the art, and that any structural modifications, proportional changes, or dimensional adjustments made in the drawings should not be construed as limiting the utility model to the full scope of the utility model without affecting the efficiency or reach of the utility model.
In the description of the present utility model, the positional or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
To more clearly describe the structure of the above-described one-piece plunger sleeve quick-change honing jig, the present utility model defines the terms "distal end" and "proximal end", specifically, "distal end" means an end far from the ground, and "proximal end" means an end near the ground, taking fig. 2 as an example, an end of the first pin 22 near the set screw 24 in fig. 2 is a distal end, and an end of the first pin 22 near the first extension 12 in fig. 2 is a proximal end.
Example 1
Referring to fig. 1 to 5, an integral plunger sleeve quick-change reaming and honing fixture comprises a fixture body 1, a workpiece seat 3 arranged at the far end of the fixture body 1, and a floating positioning mechanism 2 arranged between the fixture body 1 and the workpiece seat 3, wherein a workpiece positioning hole 32 is formed in the workpiece seat 3, the floating positioning mechanism 2 comprises an outer ring 21, the outer ring 21 is in floating connection with the fixture body 1, the workpiece seat 3 is in floating connection with the outer ring 21, a part 4 to be machined is clamped on the workpiece seat 3, and the floating positioning and clamping of the part 4 to be machined is realized through the floating connection between the workpiece seat 3 and the outer ring 21 and between the outer ring 21 and the fixture body 1.
The specific structure of the floating positioning mechanism 2 is described below:
referring to fig. 1 to 3, the outer ring 21 and the fixture body 1, and the outer ring 21 and the workpiece seat 3 are respectively connected in a floating manner by a first pin 22, a second pin 23 and an elastic sheet (25). Specifically, the outer ring 21 can slide along the first pin shaft 22 relative to the fixture body 1, and the outer ring 21 can slide along the second pin shaft 23 relative to the workpiece seat 3, so that the part 4 to be machined on the workpiece seat 3 is floatingly installed, and the connecting structure is simple, convenient to machine, and low in cost
Referring to fig. 2, 4 and 5, the distal end of the fixture body 1 is further provided with a second extension portion 13, a first pin hole 131 is correspondingly formed on the second extension portion 13 and the outer ring 21, and a second pin hole 211 is correspondingly formed on the workpiece seat 3 and the outer ring 21. Specifically, the first pin shaft 22 is respectively inserted into the second extension portion 13 and the first pin hole 131 on the outer ring 21, and the second pin shaft 23 is respectively inserted into the second pin hole 211 on the outer ring 21 and the workpiece seat 3, so that the workpiece seat 3 can realize floating positioning, in addition, the second extension portion 13 extends out distally, so that the workpiece seat 3 is installed at a high position, and further, the part 4 to be machined installed on the workpiece seat 3 cannot be interfered by the proximal end of the fixture body 1.
Referring to fig. 2 and 3, the first pin hole 131 of the second extension portion 13 and the side surface of the second pin hole 211 of the workpiece seat 3 are communicated with each other to form a first screw hole 132. Specifically, the plurality of set screws 24 are screwed into the first screw holes 132 and abut against the first pin 22 and the second pin 23, preventing the first pin 22 and the second pin 23 from falling off, and increasing structural stability.
Referring to fig. 1 and 2, flat positions 221 are respectively formed on the side surfaces of the first pin 22 and the second pin 23, and the flat positions 221 facilitate the set screws 24 to abut against the first pin 22 and the second pin 23, thereby preventing slipping and further increasing structural stability.
The specific structure of the workpiece holder 3 is described below:
referring to fig. 2, a second screw hole is formed at the distal end of the workpiece seat 3, and a limit screw 31 is connected thereto. Specifically, after the part 4 to be machined is inserted into the workpiece positioning hole 32, the cutter rotates downward into the workpiece positioning hole 32, the part 4 to be machined is forced to rotate along with the rotation, the screw portion (not labeled in the figure) of the limit screw 31 abuts against the distal end of the part 4 to be machined to limit the rotation of the part 4 to be machined, the cutter rotates upward to pull out and subject the part 4 to be machined to upward force, and at the moment, the screw head (not labeled in the figure) of the limit screw 31 limits the part 4 to be machined to fall off from the workpiece positioning hole 32.
The specific structure of the clip body 1 is described below:
referring to fig. 1, a plurality of first extending portions 12 are disposed on a side surface of the clamp body 1, a fixing groove 121 is formed between two first extending portions 12, and a bolt (not shown) passes through the fixing groove 121 to fix the clamp body 1 in a machining position.
Referring to fig. 4 and 5, the distal end face of the first extension portion 12 is higher than the distal end face of the fixture body 1, so that the end face is convenient to be individually finished, and is attached to the proximal end of the bolt head of the bolt, thereby saving the finishing cost.
Referring to fig. 4 and 5, a fixing hole 11 is formed at the proximal end of the clamp body 1, and a bolt passes through the fixing hole 11 to fix the clamp body 1 at a processing position, thereby further fixing the clamp body 1.
The specific working procedure of the utility model is as follows:
the personnel insert the proximal end of the part 4 to be processed into the workpiece positioning hole 32, adjust the position of the clamp body 1 to enable the part 4 to be processed to be positioned at the proximal end of the cutter, enable the bolt to pass through the fixing hole 11 and the fixing groove 121 and be screwed with a workbench (not shown in the figure), screw the limit screw 31 tightly, enable the screw rod part of the limit screw 31 to prop against the distal end of the part 4 to be processed, and enable the screw head of the limit screw 31 to prop against and clamp the part 4 to be processed, so that clamping is completed. Therefore, the integral plunger sleeve quick-change reaming honing fixture is provided, the workpiece seat 3 is connected with the outer ring 21 in a floating mode, the outer ring 21 is connected with the fixture body 1 in a floating mode, the part 4 to be machined placed on the workpiece seat 3 can be smoothly fed with a cutter, positioning errors of the fixture are eliminated, radial resistance is reduced, machining of the cutter is matched, required machining size, roughness and shape accuracy are achieved, an elastic piece 25 is further arranged between the fixture body 1, the outer ring 21 and the workpiece seat 3, flexible clamping is achieved by matching with rotation of the part 4 to be machined, so that the cutter is in tight contact with the surface of the part 4 to be machined, a better machining effect is achieved, clamping is simple, and the follow-up replacement of the part only needs to be achieved by loosening a tightening limit screw 31.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (9)
1. An integral plunger sleeve quick change hinge honing anchor clamps, its characterized in that: the workpiece clamping device comprises a clamp body, a workpiece seat arranged at the far end of the clamp body, and a floating positioning mechanism arranged between the clamp body and the workpiece seat, wherein workpiece positioning holes are formed in the workpiece seat, the floating positioning mechanism comprises an outer ring, the outer ring is in floating connection with the clamp body, the workpiece seat is in floating connection with the outer ring, a part to be machined is clamped on the workpiece seat, and the workpiece seat is in floating connection with the outer ring and the clamp body through the floating connection between the workpiece seat and the outer ring, so that the floating clamping of the part to be machined is realized.
2. The unitary plunger sleeve quick-change reaming and honing fixture of claim 1, wherein: the outer ring is in floating connection with the clamp body and the outer ring is in floating connection with the workpiece seat through a first pin shaft, a second pin shaft and an elastic piece.
3. The unitary plunger sleeve quick-change reaming and honing fixture of claim 2, wherein: the far end of the fixture body is also provided with a second extension part, the second extension part and the outer ring are correspondingly provided with first pin holes, and the workpiece seat and the outer ring are correspondingly provided with second pin holes.
4. A unitary plunger sleeve quick change reaming and honing fixture as claimed in claim 3 and characterized by: the first pin hole of the second extension part and the side surface of the second pin hole of the workpiece seat are communicated with each other to form a first screw hole.
5. The unitary plunger sleeve quick-change reaming and honing fixture of claim 4, wherein: flat positions are respectively arranged on the side surfaces of the first pin shaft and the second pin shaft.
6. The unitary plunger sleeve quick-change reaming and honing fixture of claim 1, wherein: the far end of the workpiece seat is provided with a second screw hole and is connected with a limit screw.
7. The unitary plunger sleeve quick-change reaming and honing fixture of claim 1, wherein: the side of the clamp body is provided with a plurality of first extending parts, and a fixing groove is formed between the two first extending parts.
8. The unitary plunger sleeve quick-change reaming and honing fixture of claim 7, wherein: the distal end face of the first extension is higher than the distal end face of the clamp body.
9. The unitary plunger sleeve quick-change reaming and honing fixture of claim 1, wherein: the proximal end of the clamp body is provided with a fixing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322155954.7U CN220575299U (en) | 2023-08-11 | 2023-08-11 | Integral plunger sleeve quick-change reaming honing fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322155954.7U CN220575299U (en) | 2023-08-11 | 2023-08-11 | Integral plunger sleeve quick-change reaming honing fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220575299U true CN220575299U (en) | 2024-03-12 |
Family
ID=90108398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322155954.7U Active CN220575299U (en) | 2023-08-11 | 2023-08-11 | Integral plunger sleeve quick-change reaming honing fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220575299U (en) |
-
2023
- 2023-08-11 CN CN202322155954.7U patent/CN220575299U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204171743U (en) | Calibration rotates milling clamper | |
| CN102962489A (en) | Large support plate elastic hole drilling machine and use method thereof | |
| CN216226984U (en) | Clamping tool for machining revolving body parts | |
| CN101176928A (en) | Drilling jig for unitized tooling circumferential and axial bore of electrohydraulic servo valve cover plate | |
| CN220575299U (en) | Integral plunger sleeve quick-change reaming honing fixture | |
| CN213794269U (en) | Tailstock assembly for machine tool | |
| CN201124254Y (en) | Drilling jig for processing electrohydraulic servo valve cover plate hole group | |
| CN207807217U (en) | A kind of axially position device for turning shaft-like workpiece | |
| CN215393844U (en) | Boring machine fixture for machining two holes of support shell | |
| CN210817748U (en) | Internal groove processing device | |
| CN210147495U (en) | Cylinder block processing and positioning device | |
| CN211840281U (en) | Rotary type porous drilling machine fixture for thin-wall sleeve part | |
| CN212121697U (en) | Cylinder body main shaft hole boring rod for machining center | |
| CN111390209B (en) | Cylinder body main shaft hole boring bar for machining center | |
| CN112355591A (en) | Boring cutter for machining valve seat ring and guide pipe hole and machining method of boring cutter | |
| CN212351222U (en) | Pneumatic engine cylinder adds clamping apparatus | |
| CN221232002U (en) | Follower rest and long shaft machining equipment | |
| CN213944971U (en) | Vertical omnipotent position adjusting mechanism who bores with inclined hole | |
| CN219924651U (en) | Machining tool for rod piece drilling | |
| CN221210748U (en) | High-precision eccentric clamp with adjustable eccentricity | |
| CN220636958U (en) | Adjustable center frame for machining in ship industry | |
| CN217412491U (en) | Jack catch, chuck anchor clamps and lathe | |
| CN219336850U (en) | Quick fixture capable of realizing self-centering and multi-combination change | |
| CN217070780U (en) | Composite boring cutter | |
| CN219074476U (en) | Clamp for milling plunger oil control groove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |