CN223833995U - Gear pump spacer flat processing special fixture - Google Patents
Gear pump spacer flat processing special fixtureInfo
- Publication number
- CN223833995U CN223833995U CN202520268272.3U CN202520268272U CN223833995U CN 223833995 U CN223833995 U CN 223833995U CN 202520268272 U CN202520268272 U CN 202520268272U CN 223833995 U CN223833995 U CN 223833995U
- Authority
- CN
- China
- Prior art keywords
- positioning
- spacer
- base
- gear pump
- flat
- 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
Landscapes
- Gripping On Spindles (AREA)
Abstract
The utility model belongs to the technical field of professional clamping devices, and particularly relates to a special clamp for processing a gear pump spacer flat, which comprises a base, wherein a boss is arranged on the back surface of the base, a positioning disk is fixedly connected to the front surface of the base, the positioning disk is provided with six side surfaces, each side of the positioning disk is provided with a spacer flat component, a spacer and a positioning pressing plate sequentially penetrate through a positioning rod vertically connected to the side surface of the positioning disk, and a locking nut is fixedly connected to the upper part of the positioning pressing plate. According to the utility model, the whole clamp is driven to rotate by the rotation of the lathe spindle, and the spacer bush (before flattening) is flattened by using the turning tool. The turning transformation of milling functions is realized by utilizing the rotary motion of the lathe spindle to replace the traditional milling feeding, the processing procedure is simplified, the turning processing of six spacers can be completed by one-time clamping, and the turning processing device has the advantages of simple structure, high clamping efficiency and high processing precision, and greatly improves the processing efficiency.
Description
Technical Field
The utility model belongs to the technical field of professional clamping devices, and particularly relates to a special clamp for flat processing of a gear pump spacer.
Background
The spacer bush is used as one of the core components in the gear pump, and plays a role in supporting and positioning in the gear pump. The spacer bush is usually used in pairs, and the spacer bush is prevented from rotating by milling and flattening the spacer bush.
Milling and flattening processing of the gear pump spacer bush is usually carried out by a milling machine, the processing mode is complex, the processing precision is difficult to guarantee, and the efficiency is low. In addition, milling machine equipment cost is higher, and the technical requirement on operating personnel is also higher, has restricted production efficiency's promotion to a certain extent. Therefore, a special fixture which can simplify the processing procedure, has high clamping efficiency and high processing precision is needed.
Disclosure of utility model
The utility model provides a special fixture for flat processing of a gear pump spacer, which aims to solve the problems in the background technology.
The utility model is realized by the following technical scheme:
the utility model provides a gear pump separates flat processing special fixture of cover car, includes the base, and the base back is provided with the boss, and the base openly is connected and is fixed with the positioning disk, and the positioning disk is equipped with six sides, and every face of positioning disk respectively is equipped with spacer (before the flat car) subassembly, and spacer (before the flat car), positioning plate pass the locating lever of perpendicular connection in the positioning disk side in proper order, positioning plate upper portion fixedly connected with lock nut.
Furthermore, the positioning plate is in positioning connection with the base through bolts and cylindrical pins.
Further, a check ring groove is formed in the cylindrical pin hole of the positioning disc and used for placing a check ring for holes.
Further, the two ends of the positioning rod are provided with threads, and one end of the positioning rod is provided with a flat port.
Further, the positioning rod is in clearance fit with the positioning pressing plate, the positioning pressing plate is in clearance fit with the spacer (before flattening), and the fit clearance is 0.1-0.2 mm.
Furthermore, the hexagonal structures of the positioning plates are symmetrically distributed, and the included angle between the adjacent side surfaces is 120 degrees.
By using the technical scheme, the beneficial effects of the utility model are as follows:
1. the rotary motion of the lathe spindle is utilized to replace the traditional milling feeding, so that turning transformation of a milling function is realized, the processing procedure is simplified, and the production efficiency is improved.
2. The clamp can finish turning and flattening processing of six spacers (before turning and flattening) by one-time clamping, has a simple structure and high clamping efficiency, and greatly improves processing efficiency.
3. Each side is provided with a quick clamping assembly consisting of a positioning rod, a spacer bush (before flattening), a positioning pressing plate and a locking nut, and the axial positioning and radial constraint of the spacer bush (before flattening) are realized through the positioning pressing plate, so that the machining precision is improved.
4. The base adopts combined design with the positioning disk, realizes accurate positioning and connection through cylindric lock and bolt, guarantees repeated clamping precision, through changing positioning disk and locating lever, location clamp plate, lock nut, can realize the quick replacement of different specification spacer (before the flat).
Drawings
FIG. 1 is a schematic view of a pair of spacers after flattening;
FIG. 2 is a schematic view (front side) of the structure of the present utility model;
FIG. 3 is a schematic view of the structure (back side) of the present utility model;
Fig. 4 is an exploded view of the present utility model.
The device is characterized by comprising the following components of a positioning rod 1, a locking nut 2, a positioning pressing plate 3, a spacer bush 4 (before flattening), a base 5, a base 6, a positioning disc 7, a bolt 8, a cylindrical pin 9 and a hole retainer ring.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in FIG. 1, the use state of the spacer (before flattening) 4 in the gear pump can be known, the flat openings of the spacer after flattening are opposite, and the spacer is used in pairs to prevent the spacer from rotating in the running process of the gear pump.
As shown in fig. 2-4, a special fixture for flat processing of a gear pump spacer, which comprises a base 5, wherein a boss is arranged on the back of the base 5, a positioning disk 6 is fixedly connected to the front of the base 5, six side surfaces are arranged on the positioning disk 6, spacer (before flat) assemblies are respectively arranged on each surface of the positioning disk 6, a spacer (before flat) 4 and a positioning pressing plate 4 sequentially penetrate through a positioning rod 1 vertically connected to the side surface of the positioning disk, and a locking nut 2 is fixedly connected to the upper part of the positioning pressing plate 3. The back of the base 5 is abutted against the surface of a three-jaw chuck of the lathe, and the three-jaw chuck clamps the boss of the base 5. The combined design of the positioning disk 6 and the base 5 can select different positioning disks 6, positioning rods 1, positioning pressing plates 3 and locking nuts 2 according to spacer bushes (before flattening) 4 with different sizes. The positioning disk 6 is provided with six side surfaces, each side surface is provided with a spacer bush (before flattening) component, and the machining of the six spacer bushes (before flattening) 4 can be completed by one-time clamping, so that the machining efficiency is improved.
Further, the positioning plate 6 is in positioning connection with the base 1 through bolts 7 and cylindrical pins 8. The cylindrical pin 8 is placed into the cylindrical pin holes of the base 5 and the positioning plate 6, so that accurate positioning of the base 5 and the positioning plate 6 is realized, the bolt 7 penetrates through the through hole of the positioning plate 6 and is connected with the threaded hole of the base 5, connection of the base 5 and the positioning plate 6 is realized, concentric positioning and rigid connection of the base 5 and the positioning plate 6 are realized, and repeated clamping accuracy is guaranteed. The base 5 and the positioning disk 6 are combined, and the positioning disk 6 with proper size can be selected according to the spacer bushes (before flattening) 4 with different sizes, so that the manufacturing cost of the clamp is reduced.
Further, a retainer ring groove is formed in the cylindrical pin hole of the positioning disc 6 and used for placing a retainer ring 9 for holes. The cylindrical pin 8 is placed in the cylindrical pin holes of the base 5 and the positioning disk 6, and then the hole check ring 9 is placed in the check ring groove of the positioning disk 6, so that the cylindrical pin 8 is prevented from falling from the cylindrical pin holes when the clamp rotates.
Further, threads are arranged at two ends of the positioning rod 1, and a flat port is arranged at one end of the positioning rod. Through the screw thread of locating lever 1 lower extreme, can realize with the fixed connection of locating plate 6, through the screw thread on locating lever 1 upper portion, can realize with lock nut 2's fixed connection to fix whole spacer (before the flat) subassembly. The flat mouth of the positioning rod 1 can be replaced by a wrench, so that the quick replacement of the positioning rod 1 is realized, and the replacement time is saved.
Furthermore, the positioning rod 1 is in clearance fit with the positioning pressing plate 3, the positioning pressing plate 3 is in clearance fit with the spacer bush (before flattening) 4, and the fit clearance is 0.1-0.2 mm. The spacer (before the flat) 4 passes through the locating rod 1, the position can not be accurately fixed, the locating pressing plate 3 is placed on the upper portion, and the locating pressing plate 3 is in clearance fit with the locating rod 1, so that the spacer (before the flat) 4 is accurately located, and the processing precision of the flat is improved.
Furthermore, the hexagonal structures of the positioning plates 6 are symmetrically distributed, and the included angle between the adjacent side surfaces is 120 degrees. The hexagonal symmetrical structure avoids the dynamic unbalance during processing and eliminates the vibration during processing.
When the special fixture for gear pump spacer flat processing is installed, the back surface of the base 5 is abutted against the surface of the three-jaw chuck of the lathe, and the three-jaw chuck clamps the boss on the back surface of the base 5, so that the base 5 is fixedly connected with the three-jaw chuck of the lathe. The cylindrical pin 8 passes through the through holes of the positioning disc 6 and the base 5, the base 5 and the positioning disc 6 are coaxially and accurately positioned, the retainer ring 9 for holes is placed in the retainer ring groove, the cylindrical pin 8 is prevented from falling off during processing, then a bolt passes through the through hole of the positioning disc 6 and is connected with the threaded hole of the base 5, and therefore accurate fixed connection of the positioning disc 6 and the base 5 is achieved. The locating rod 1 is tightly fixed by vertically connecting a threaded hole formed in the side face of the locating plate 6 with the threads of the locating rod 1 and clamping the flat mouth of the locating rod 1 with a spanner. The spacer (before flattening) 4 passes through the positioning rod 1, the positioning pressing plate 3 is placed on the upper portion, the accurate positioning of the spacer (before flattening) 4 by the positioning pressing plate 3 is realized, then the threads of the positioning rod 1 are connected with the locking nut 2, and the positioning pressing plate 3 is pressed by screwing the locking nut 2, so that the whole spacer (before flattening) component is locked and fixed, and the same installation is carried out on six sides of the positioning disc 6. The whole clamp is driven to rotate by the rotation of the lathe spindle, and lathe turning tools are fed, so that the flattening processing of six spacers (before flattening) 4 is realized.
The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.
Claims (6)
1. The utility model provides a gear pump separates flat processing special fixture of cover car, includes base (5), and base (5) back is provided with the boss, and base (5) openly are connected and are fixed with positioning disk (6), and positioning disk (6) are equipped with six sides, and every face of positioning disk (6) respectively is equipped with the flat subassembly of cover car, and spacer (4), location clamp plate (3) pass perpendicular locating lever (1) of being connected in the positioning disk side in proper order, location clamp plate (3) upper portion fixedly connected with lock nut (2).
2. The special fixture for gear pump spacer flattening processing according to claim 1, wherein the positioning disc (6) is in positioning connection with the base (5) through bolts (7) and cylindrical pins (8).
3. The special fixture for gear pump spacer flat machining is characterized in that a retainer ring groove is formed in the cylindrical pin hole of the positioning disc (6) and used for placing a retainer ring (9) for holes.
4. The special fixture for gear pump spacer flat machining is characterized in that threads are arranged at two ends of the positioning rod (1), and a flat opening is formed in one end of the positioning rod.
5. The special fixture for flat processing of the gear pump spacer bush of claim 1 is characterized in that the positioning rod (1) is in clearance fit with the positioning pressing plate (3), the positioning pressing plate (3) is in clearance fit with the spacer bush (4), and the fit clearance is 0.1-0.2 mm.
6. The special fixture for flat processing of the gear pump spacer bush according to claim 1, wherein the positioning plates (6) are symmetrically distributed in a hexagonal structure, and the included angle between adjacent side surfaces is 120 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520268272.3U CN223833995U (en) | 2025-02-20 | 2025-02-20 | Gear pump spacer flat processing special fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520268272.3U CN223833995U (en) | 2025-02-20 | 2025-02-20 | Gear pump spacer flat processing special fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223833995U true CN223833995U (en) | 2026-01-27 |
Family
ID=98508159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520268272.3U Active CN223833995U (en) | 2025-02-20 | 2025-02-20 | Gear pump spacer flat processing special fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223833995U (en) |
-
2025
- 2025-02-20 CN CN202520268272.3U patent/CN223833995U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218017239U (en) | Track end cover clamping workbench | |
| CN114161187A (en) | Circumferential hole drilling, clamping and positioning tool | |
| CN223833995U (en) | Gear pump spacer flat processing special fixture | |
| CN107186546B (en) | Round flange drilling indexing device and application thereof | |
| CN209902745U (en) | Anchor clamps of first hole turning process of adaptation variable | |
| CN107825199A (en) | A kind of turning clamp and method for the processing of holes inner hole of bearing seat | |
| CN212705461U (en) | Numerical control drilling and tapping clamp for mining explosion-proof lamp radiator | |
| CN220554999U (en) | Rotary clamp for polyhedron processing | |
| CN110977516B (en) | A dovetail indexing and self-centering device based on radial boring of special-shaped rings | |
| CN220921629U (en) | Eccentric long shaft part machining jig | |
| CN220347240U (en) | Differential mechanism casing clamping device | |
| CN215699838U (en) | Device for machining chamfer of forward and reverse drilled holes on flange surface of gear ring | |
| CN219425720U (en) | Drilling device for oil holes in outer tooth sockets of large gear rings | |
| CN114770174B (en) | Arc part inner wall hole machining clamp | |
| CN213591808U (en) | Tool for machining inclined hole of shell | |
| CN211162955U (en) | a drilling jig | |
| CN218533786U (en) | Equal division processing device | |
| CN224169642U (en) | A tooling for machining the seat of a multi-diameter triple eccentric butterfly valve | |
| CN111438547A (en) | Numerical control drilling and tapping clamp for mine explosion-proof lamp radiator and application method of numerical control drilling and tapping clamp | |
| CN115156944A (en) | Clamp for machining inclined hole in gear-shaped part | |
| CN220145419U (en) | Indexing fixture for shell machining | |
| CN223506728U (en) | Indexing fixture for equally dividing holes of precision boring parts | |
| CN222857337U (en) | Torque converter housing clamp | |
| CN114473565A (en) | Comprehensive process clamp for machining engine connecting rod | |
| CN222958335U (en) | An internal grinding fixture for precision grinding of equally divided holes in parts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |