CN215239472U - Gear pump shaft sleeve clamping tool for milling oil grooves - Google Patents
Gear pump shaft sleeve clamping tool for milling oil grooves Download PDFInfo
- Publication number
- CN215239472U CN215239472U CN202121114608.9U CN202121114608U CN215239472U CN 215239472 U CN215239472 U CN 215239472U CN 202121114608 U CN202121114608 U CN 202121114608U CN 215239472 U CN215239472 U CN 215239472U
- Authority
- CN
- China
- Prior art keywords
- gear pump
- positioning
- hole
- shaft sleeve
- pump shaft
- 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
Images
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to a gear pump shaft sleeve clamping tool for oil groove milling, which comprises a machine tool workbench and a positioning plate fixed on the machine tool workbench, wherein the positioning plate is provided with positioning holes matched with two inner holes of the gear pump shaft sleeve; a positioning pin is arranged in one positioning hole; and a tensioning shaft are arranged in the other positioning hole, a hole is formed in the middle of the tensioning shaft and penetrates through the tensioning shaft, and the tail end of the tensioning shaft is connected with a piston rod of the cylinder. The utility model discloses a frock structure, simple and direct high-efficient of installation, the work piece centre gripping is reliable and stable, has saved work piece installation clamping time, improves work piece machining efficiency, has reduced intensity of labour.
Description
Technical Field
The utility model relates to a press from both sides tight frock, specifically speaking is a tight frock of gear pump axle sleeve clamp for processing of oil groove milling, belongs to and presss from both sides tight frock technical field.
Background
The gear pump shaft sleeve is an important part of a hydraulic gear pump, each pump is provided with two shaft sleeves, and an oil groove in the front of each shaft sleeve is usually milled and processed. At present, a special clamping tool for milling the oil groove is not provided, the milling of the oil groove is mainly a tool for milling a sealing groove by using a shaft sleeve, and the parallelism required by the sealing groove is strictly ensured within 0.05mm, so that a plane can be used as a main positioning reference, and two holes are used as auxiliary positioning references. The clamping tool is shown in figure 1: two holes of the shaft sleeve A are provided with two tensioning shafts B, the two tensioning shafts B are arranged in the positioning holes of the positioning plate C, the opening connecting plate D is arranged below the positioning plate C, and the two tensioning shafts are manually screwed in the annular grooves at the lower parts of the two tensioning shafts to be tensioned. Therefore, compared with the oil groove milling process with low parallelism requirement, the clamping is more complicated in tool installation operation steps, low in machining efficiency and high in manual labor intensity. With the application of the section bar shaft sleeve, the traditional tool for milling the sealing groove is obviously not suitable for oil groove milling, so that the pressure of an oil groove milling process is increased.
Based on above, for improving oil groove milling process efficiency, reduce intensity of labour, the utility model provides a.
Disclosure of Invention
The utility model aims at providing a tight frock of gear pump axle sleeve clamp for oil groove milling processing to replace traditional axle sleeve to mill the frock of seal groove.
In order to solve the above problems, the utility model adopts the following technical scheme:
a gear pump shaft sleeve clamping tool for milling oil grooves comprises a machine tool workbench and a positioning plate fixed on the machine tool workbench, wherein the positioning plate is provided with positioning holes matched with two inner holes of the gear pump shaft sleeve,
the diameters of the two positioning holes of the positioning plate are smaller than the diameters of the two inner holes of the gear pump shaft sleeve;
a positioning pin is arranged in one positioning hole;
and a tensioning shaft are arranged in the other positioning hole, a hole is formed in the middle of the tensioning shaft and penetrates through the tensioning shaft, and the tail end of the tensioning shaft is connected with a piston rod of the cylinder.
A through hole is formed in the middle of the tensioning shaft, and the top end of the tensioning shaft is of a taper hole structure; the head end of the tensioning shaft is provided with a frustum structure matched with the taper hole structure.
The cylinder is fixed on the machine tool workbench and is positioned below the positioning plate.
The upper section of the positioning pin is positioned in an inner hole of the gear pump shaft sleeve and is in clearance fit with the inner hole, and the lower section of the positioning pin is positioned in a positioning hole of the positioning plate and is in interference fit with the positioning hole.
The upper section of the tensioning shaft is located in an inner hole of the gear pump shaft sleeve, and the lower section of the tensioning shaft is located in a positioning hole of the positioning plate.
The cylinder is pneumatically controlled by a control pedal.
The utility model discloses a tight frock of gear pump axle sleeve clamp for oil groove milling processing has changed the tight locate mode of clamp of traditional frock, as main location benchmark with the interior hole, install the gear pump axle sleeve on the locating plane of locating plate, the hole of gear pump axle sleeve leans on locating pin and tight axle location that rises, tight axle that rises is connected with the below cylinder, step on pneumatic control switch, the piston rod of the cylinder moves down, it moves down to drive taut axle, rise under the effect of the conical surface of taut axle head end and rise tight external diameter, and then firmly press from both sides tight work piece. The utility model discloses a frock structure, simple and direct high-efficient of installation, the work piece centre gripping is reliable and stable, has saved work piece installation clamping time, improves work piece machining efficiency, has reduced intensity of labour.
Drawings
FIG. 1: the tool structure schematic diagram of the traditional shaft sleeve milling seal groove;
FIG. 2: the gear pump shaft sleeve clamping tool for oil groove milling machining in the embodiment has the structural schematic diagram.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
This embodiment relates to a tight frock of gear pump axle sleeve clamp for processing of oil groove milling, include lathe workstation 1 and arrange locating plate 2 on the lathe workstation 1 in, locating plate 2 is used for installing gear pump axle sleeve 3, just locating plate 2 seted up with two corresponding locating holes 21 of hole 31 of gear pump axle sleeve 3, the diameter of locating hole 21 is less than the hole 31 of gear pump axle sleeve, install locating pin 4 in one of them locating hole 21 of locating plate 2, the upper segment round pin of locating pin 4 crown and the hole 31 clearance fit of gear pump axle sleeve 3, the lower section pin pole of locating pin 4 and 2 interference fit of locating hole 2 of locating plate. Install tensioning shaft 5 and taut axle 6 in another locating hole 21 of locating plate 2, tensioning shaft 5 inlays and adorns between hole and locating hole, and its middle part offers the through-hole that is used for running through tensioning shaft 6, the tip of through-hole is big-end-up's taper hole, the taper hole is used for the taut shaft 6 that the adaptation head end has the frustum, the end of tensioning shaft 6 and the piston rod threaded connection of cylinder 7, cylinder 7 is fixed in the below of 1 surface of machine tool workstation and position locating plate 2, by the flexible action of control pedal control cylinder 7.
The gear pump shaft sleeve clamping tool of the embodiment has the following design principle and clamping, mounting and operating processes:
the positioning pin 4 is installed in one of the positioning holes 21 of the positioning plate 2, and the positioning pin and the positioning hole are in interference fit, which is an initial state of the tool. During assembly, the gear pump shaft sleeve 3 is placed at a preset position of the positioning plate 2, two inner holes 31 of the gear pump shaft sleeve 3 are aligned to two positioning holes 21 of the positioning plate 2, one positioning hole 21 is sleeved on the upper portion of the positioning pin 4, so that the gear pump shaft sleeve 3 is locked on one positioning hole 21 of the positioning plate 2, the tensioning shaft 5 is placed into the other positioning hole 21 of the positioning plate 2, then the tensioning shaft 6 extends into a through hole of the tensioning shaft 5, the tail end of the tensioning shaft 6 is screwed and fixed with a piston rod of the lower cylinder 7, and positioning of the other hole is completed. And finally, the pedal is controlled to drive the cylinder 7 to act, a piston rod of the cylinder 7 pulls the tensioning shaft 6 to move downwards, and the conical surface of the tensioning shaft 6 expands the outer diameter of the tensioning shaft through the matching of the frustum and the conical hole, so that the purpose of clamping a workpiece is achieved.
The gear pump shaft sleeve clamping tool for milling the oil grooves is simple, convenient, scientific and reasonable in structural design, convenient and fast in tool clamping and mounting process, saves workpiece mounting and clamping time, improves working efficiency, and greatly reduces labor intensity of workers.
In summary, although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (6)
1. A gear pump shaft sleeve clamping tool for milling oil grooves comprises a machine tool workbench and a positioning plate fixed on the machine tool workbench, wherein the positioning plate is provided with positioning holes matched with two inner holes of the gear pump shaft sleeve,
the diameters of the two positioning holes of the positioning plate are smaller than the diameters of the two inner holes of the gear pump shaft sleeve;
a positioning pin is arranged in one positioning hole;
and a tensioning shaft are arranged in the other positioning hole, a hole is formed in the middle of the tensioning shaft and penetrates through the tensioning shaft, and the tail end of the tensioning shaft is connected with a piston rod of the cylinder.
2. The gear pump shaft sleeve clamping tool for oil groove milling machining according to claim 1,
a through hole is formed in the middle of the tensioning shaft, and the top end of the tensioning shaft is of a taper hole structure; the head end of the tensioning shaft is provided with a frustum structure matched with the taper hole structure.
3. The gear pump shaft sleeve clamping tool for oil groove milling machining according to claim 1,
the cylinder is fixed on the machine tool workbench and is positioned below the positioning plate.
4. The gear pump shaft sleeve clamping tool for oil groove milling machining according to claim 1,
the upper section of the positioning pin is positioned in an inner hole of the gear pump shaft sleeve and is in clearance fit with the inner hole, and the lower section of the positioning pin is positioned in a positioning hole of the positioning plate and is in interference fit with the positioning hole.
5. The gear pump shaft sleeve clamping tool for oil groove milling machining according to claim 1,
the upper section of the tensioning shaft is located in an inner hole of the gear pump shaft sleeve, and the lower section of the tensioning shaft is located in a positioning hole of the positioning plate.
6. The gear pump shaft sleeve clamping tool for oil groove milling machining according to claim 1,
the cylinder is pneumatically controlled by a control pedal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121114608.9U CN215239472U (en) | 2021-05-24 | 2021-05-24 | Gear pump shaft sleeve clamping tool for milling oil grooves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121114608.9U CN215239472U (en) | 2021-05-24 | 2021-05-24 | Gear pump shaft sleeve clamping tool for milling oil grooves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215239472U true CN215239472U (en) | 2021-12-21 |
Family
ID=79458417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121114608.9U Active CN215239472U (en) | 2021-05-24 | 2021-05-24 | Gear pump shaft sleeve clamping tool for milling oil grooves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215239472U (en) |
-
2021
- 2021-05-24 CN CN202121114608.9U patent/CN215239472U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210909097U (en) | Special drilling clamp for L-shaped parts | |
| CN201389754Y (en) | A positioning clamp device used by numerical control lathe for turning eccentric part | |
| CN203317090U (en) | Drilling clamp for connecting rod parts | |
| CN215239472U (en) | Gear pump shaft sleeve clamping tool for milling oil grooves | |
| CN211052628U (en) | Special clamp for drilling of swing arm shaft of tractor | |
| CN111168425A (en) | Clamp for machining inclined plane of small end of connecting rod | |
| CN103143875A (en) | Assembling and point fixation welding equipment for rear bridge shell cover assembly and bridge shell body assembly | |
| CN203304821U (en) | Tack welding device for assembling rear axle shell cover assembly and axle shell body assembly | |
| CN105798772A (en) | High-precision bar clamping device | |
| CN213889060U (en) | Eccentric bearing turning clamp device | |
| CN212122509U (en) | Pneumatic fixture for turning gear pump cover | |
| CN211508863U (en) | Intelligent production and replacement process equipment for motor shell | |
| CN209811248U (en) | Tailstock full hydraulic structure | |
| CN209935926U (en) | Clamp for boring | |
| CN210232303U (en) | Multi-station arc milling and boring clamp | |
| CN211071856U (en) | Elastic center tool for slender workpiece | |
| CN208341795U (en) | A kind of drilling machine facilitating installation annular work piece | |
| CN219212403U (en) | Clamp special for lever part | |
| CN108081205B (en) | Hand-held pneumatic lining press-fitting gun | |
| CN201189611Y (en) | Clamper for positioning and clamping inner hole on lathe | |
| CN217942603U (en) | Clamp for machining high-low pressure end cover of rotor compressor gear box | |
| CN218266593U (en) | Novel stroke-adjustable stamping oil cylinder | |
| CN210115690U (en) | Clamp for processing cylinder head and rod head of oil cylinder | |
| CN201115904Y (en) | Clamp automatic centering mechanism | |
| CN203236237U (en) | Novel outer contour contracting clamping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |