CN212704807U - Positioning tool for shaft and gear grinding machine - Google Patents
Positioning tool for shaft and gear grinding machine Download PDFInfo
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- CN212704807U CN212704807U CN202021471595.6U CN202021471595U CN212704807U CN 212704807 U CN212704807 U CN 212704807U CN 202021471595 U CN202021471595 U CN 202021471595U CN 212704807 U CN212704807 U CN 212704807U
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- positioning tool
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Abstract
The utility model discloses an axle is with location frock and gear grinding machine belongs to machining technical field. The shaft positioning tool comprises a tool body, a plurality of clamping shafts and supporting blocks; the tool body is sleeved on the machining shaft, and a plurality of mounting holes are formed in the circumferential direction of the tool body; the plurality of clamping shafts are respectively arranged in different mounting holes in a penetrating way and can tightly push the peripheral surface of the processing shaft; one end of the supporting block is arranged on the workbench, and the other end of the supporting block is connected with the tool body. The gear grinding machine comprises the positioning tool for the shaft. The utility model discloses a location frock and gear grinding machine are used to axle, and a plurality of clamping shaft press from both sides tight processing axle from the equidirectional clamp, only need along the mounting hole respectively clamping shaft that stretches out and draws back around can realize the clamp of processing axle and location, easy operation is convenient; the processing axle location of different shaft diameter sizes can be realized to flexible distance around through the clamp shaft, and the suitability is good, need not to be equipped with a large amount of not unidimensional frocks, and avoids frequently changing the frock, labour saving and time saving province cost.
Description
Technical Field
The utility model relates to the technical field of machining, especially, relate to an axle is with location frock and gear grinding machine.
Background
In the cold machining process of the gear, a gear grinding process is used as the last process and is also the most important process. Axle type part gear grinding adds man-hour, in order to guarantee parts machining precision, generally adopts two kinds of locate mode of clamp top or two tops, specifically as follows:
when the clamping and jacking positioning is adopted, the upper jacking tip jacks the central hole at the upper end of the shaft part, the three-jaw self-centering chuck clamps the lower end of the shaft part, and in the machining process, the three-jaw self-centering chuck can be used as a driving device to ensure that the shaft part performs combined motion along with the workbench; the method has the defects of inconsistent design reference and processing reference, poor processing precision, long time consumption for calibrating and clamping the meter and low processing efficiency.
When double-top positioning is adopted, the two tops tightly push the upper end and the lower end of the shaft part respectively, consistency of a machining standard and a design standard is guaranteed, machining precision is high, machining stability is good, meter calibration is convenient, and time and labor are saved; in the machining process, a driving tool needs to be additionally configured to connect the workbench and the shaft part, so that the shaft part is ensured to rotate; however, in the existing design, the corresponding tooling is usually designed according to the excircle size of the shaft part, the tooling has poor universality, the corresponding tooling needs to be replaced when the shaft parts with different excircle sizes are processed, the processing flow is complex, time and labor are consumed, a large number of different types of tooling need to be prepared, the production cost is increased, and the factory building resources of enterprises are occupied.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an axle is with location frock, simple structure, the commonality is good, and convenient to use practices thrift the cost.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides an axle is with location frock, includes:
the tool body is sleeved on the machining shaft, and a plurality of mounting holes are formed in the circumferential direction of the tool body;
the clamping shafts are respectively arranged in different mounting holes in a penetrating way and can tightly push the peripheral surface of the processing shaft;
and one end of the supporting block is arranged on the workbench, and the other end of the supporting block is connected with the tool body.
Optionally, the plurality of clamping shafts are evenly spaced along the circumferential direction of the processing shaft.
Optionally, the clamping shaft is threadedly connected with the mounting hole.
Optionally, the peripheral wall of the tool body is provided with a clamping boss, and the mounting hole is formed in the clamping boss.
Optionally, the tool body is annular.
Optionally, the clamping shaft is provided with a scale value in the axial direction thereof.
Optionally, the positioning tool for the shaft comprises a plurality of supporting blocks, and the supporting blocks are uniformly arranged at intervals along the circumferential direction of the tool body.
Optionally, the tool body is provided with a plurality of fastening bosses along the peripheral wall, the fastening bosses are provided with first connecting holes, the supporting block is provided with second connecting holes, and the first connecting holes and the second connecting holes are connected through fasteners.
Optionally, a through groove is formed in the fastening boss, and the supporting block penetrates through the through groove.
Another object of the utility model is to provide a gear grinding machine, simple structure, the commonality is good, and can improve machining precision and machining efficiency, reduces the processing cost.
To achieve the purpose, the utility model adopts the following technical proposal:
a gear grinding machine comprises the shaft positioning tool.
The utility model has the advantages that:
the utility model provides a location frock is used to axle, in the process of processing the axle and installing at location frock is used to the axle, a plurality of clamping shafts press from both sides tight processing axle from different directions, only need along the mounting hole around each clamping shaft of flexible can realize the clamping and the location of processing axle, easy operation is convenient; the processing axle location of different footpath sizes can be realized to flexible distance around through the clamp shaft, need not to be equipped with a plurality of size frocks, and the suitability is good, when processing different footpath processing axles, need not frequently to change the frock, has reduced intensity of labour, has promoted machining efficiency, labour saving and time saving.
The utility model provides a pair of gear grinding machine through adopting foretell axle with location frock, has improved machining efficiency.
Drawings
Fig. 1 is a schematic structural view of a shaft clamping processing shaft by a positioning tool according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a tool body according to an embodiment of the present invention.
In the figure:
100-machining a shaft; 200-a workbench; 300-upper top tightening piece; 400-lower top fastener;
1-a tool body; 11-clamping the boss; 12-mounting holes; 13-fastening a boss; 131-a first connection hole; 132-a through slot;
2-a clamping shaft;
3-a support block; 31-a second connection hole;
4-a fastener.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the prior art, a gear grinding machine usually adopts a clamping top or double-top positioning mode for ensuring the processing precision during gear cold processing, and the double-top positioning is usually adopted due to poor processing precision and low efficiency during clamping top positioning. During the location of two tops, be provided with the last tight piece 300 and the tight piece 400 of lower top that are used for pushing up two terminal surfaces of tight processing axle 100 on the gear grinding machine, the gear grinding machine still includes the drive frock with connecting workstation 200 and part to guarantee the rotation of part. However, in the existing design, the tooling is poor in universality, a large number of tooling needs to be equipped for processing parts with different sizes, and time, labor and cost are consumed. In order to solve the above problems, the present embodiment provides a positioning tool for a shaft, which can be applied to a gear grinding machine to save time and labor and reduce production cost.
As shown in fig. 1, the shaft positioning tool includes a tool body 1, a plurality of clamping shafts 2, and a support block 3; specifically, the tool body 1 is sleeved on the processing shaft 100, and a plurality of mounting holes 12 are formed in the circumferential direction of the tool body 1; the plurality of clamping shafts 2 are respectively arranged in different mounting holes 12 in a penetrating way and can tightly push the peripheral surface of the processing shaft 100; one end of the supporting block 3 is installed on the workbench 200, and the other end is connected with the tool body 1.
In the process that the processing shaft 100 is installed on the shaft positioning tool, the plurality of clamping shafts 2 clamp the processing shaft 100 from different directions, and the clamping and positioning of the processing shaft 100 can be realized only by stretching the clamping shafts 2 back and forth along the installation hole 12, so that the operation is simple and convenient; the clamping positioning of the processing shaft 100 with different shaft diameter sizes can be realized through the front and back telescopic distance of the clamping shaft 2, a plurality of size tools are not required to be equipped, the applicability is good, the tools are not required to be frequently replaced when the processing shaft 100 with different shaft diameters is processed, the labor intensity is reduced, the processing efficiency is improved, and the time and the labor are saved.
With continued reference to fig. 1, in the present embodiment, the plurality of clamping shafts 2 are uniformly spaced along the circumferential direction of the processing shaft 100, so that the processing shaft 100 is subjected to uniform clamping force, and the mounting stability is improved.
Optionally, the clamping shaft 2 is in threaded connection with the mounting hole 12, so that the clamping shaft 2 and the tool body 1 can be conveniently detached, the machining shaft 100 can be quickly replaced, and the working efficiency is improved; optionally, the clamping shaft 2 can be a bolt, the mounting hole 12 is a threaded hole which is a standard part, the purchase is convenient, the cost is low, the screwing-in depth of the bolt is changed to clamp the processing shaft 100 with different shaft diameters, the applicability of the clamping shaft 2 is improved, and the applicability of the shaft positioning tool is further improved.
Further optionally, as shown in fig. 2, a clamping boss 11 is provided on the outer peripheral wall of the tool body 1, and a mounting hole 12 is provided on the clamping boss 11, so as to increase the contact area between the clamping shaft 2 and the mounting hole 12, improve the mounting stability of the clamping shaft 2, and further improve the mounting stability of the processing shaft 100.
Optionally, the shape of the circumferential surface of the tool body 1 is the same as the shape of the outer circumferential surface of the processing shaft 100, and the tool body 1 and the processing shaft 100 are coaxially arranged, so that the tool body 1 is positioned along the axis of the processing shaft 100, the positioning reference can be conveniently found by the tool body 1, the clamping shaft 2 can be conveniently clamped, and the positioning accuracy of the processing shaft 100 is also improved. Further optionally, the clamping shafts 2 are provided with scale values along the axial direction thereof, so as to control the telescopic distance of each clamping shaft 2, so as to facilitate quick positioning of the machining shaft 100 and improve the positioning accuracy of the machining shaft 100.
As shown in fig. 1, in this embodiment, the cross-sectional shape of the processing shaft 100 is circular, the tool body 1 is annular, the tool body 1 is provided with a mounting hole 12 along the circumferential direction, and the clamping shaft 2 clamps along the circumferential direction; when the tool body 1 is sleeved on the machining shaft 100, the center line of the tool body 1 is taken as a reference so as to facilitate the positioning of the tool body 1 and further facilitate the adjustment of the clamping shaft 2; by adjusting the telescopic distance of each clamping shaft 2, when the distance of each clamping shaft 2 extending into the tool body 1 is the same, the processing shaft 100 is coaxially arranged with the tool body 1, and the adjustment is more visual and convenient; or when the clamping shaft 2 is a bolt, the number of turns of the bolt is rotated to adjust the telescopic distance of each bolt, so that the adjusting is convenient and simple in structure, compared with the traditional structure, the positioning accuracy is high, the operation is convenient, and the efficiency is high without disassembling a tool and fixing a calibration meter. Preferably, when the processing shaft 100 is circular, three mounting holes 12 are formed in the tool body 1 at even intervals, and the three clamping shafts 2 are respectively arranged in the three mounting holes 12 in a penetrating manner, so that the clamping shafts 2 can be adjusted conveniently.
In other embodiments, when the cross-sectional shape of the processing shaft 100 is rectangular, the tool body 1 is a rectangular lantern ring, the rectangular lantern ring is provided with mounting holes 12 on four peripheral surfaces, and the clamping shaft 2 clamps the four peripheral surfaces respectively; when the rectangular lantern ring is sleeved on the processing shaft 100, the central line of the rectangular processing shaft 100 is used as a reference, so that the rectangular lantern ring is convenient to position. Similarly, when the extending distance of each clamping shaft 2 is consistent, the coaxial arrangement of the processing shaft 100 and the tool body 1 can be ensured, and the coaxial arrangement is adjusted by the clamping shafts 2, so that the positioning accuracy is improved.
Designing the tool body 1 according to the different sizes of the processing shafts 100; optionally, when the shaft diameter of the processing shaft 100 is larger or the length is longer, the tool body 1 may be a split structure, and the shaft is installed first, and then the tool body 1 is installed from the periphery so as to facilitate installation; when the radial direction of the processing shaft 100 is smaller or the length is shorter, the tool body 1 can be of an integrated structure, so that the installation process is simplified, and the size error caused by splicing installation is reduced.
Optionally, a driving motor can be arranged at one end of the clamping shaft 2, and the clamping shaft 2 is automatically positioned by setting parameters, so that the operation is convenient and the positioning precision is high; alternatively, the clamping shaft 2 can be adjusted manually and fixed on the tool body 1 through a threaded connection to clamp the processing shaft 100, so as to reduce the tool cost.
Optionally, the shaft positioning tool comprises a plurality of supporting blocks 3, and the supporting blocks 3 are uniformly arranged at intervals along the circumferential direction of the tool body 1, so that the tool body 1 is stably mounted on the workbench 200, and the influence on the machining precision due to the shaking of the machining shaft 100 in the machining process is avoided; in addition, the supporting block 3 is arranged along the circumferential direction of the tool body 1, so that the bottom end of the processing shaft 100 can be conveniently installed, and the lower jacking piece 400 can be conveniently installed in the embodiment.
Optionally, the tool body 1 and the supporting block 3 can be connected through the fastener 4, in order to avoid the influence of the holes for connection on the tool body 1, specifically, the tool body 1 is provided with a plurality of fastening bosses 13 along the peripheral wall, the fastening bosses 13 are provided with first connecting holes 131, the supporting block 3 is provided with second connecting holes 31, the first connecting holes 131 and the second connecting holes 31 are connected through the fastener 4, and the first connecting holes 131 and the second connecting holes 31 are connected through the fastener 4, so that the tool body 1 can be conveniently detached; further optionally, the first connecting hole 131 may be opened along the axial direction of the tool body 1, the second mounting hole 12 is opened at the top end portion of the supporting block 3, and the tool body 1 is mounted at the top end portion of the supporting block 3, so that the tool body is convenient to process and mount.
As shown in fig. 1 and fig. 2, in this embodiment, the first mounting hole 12 is opened on the side of the fastening boss 13, the second connecting hole 31 is opened on the side of the supporting block 3, the side of the supporting block 3 is positioned through the through groove 132, and it is avoided that the shaft positioning tool drives the processing shaft 100 to rotate and generate dislocation, which affects the processing precision, specifically, the fastening boss 13 is provided with the through groove 132, the supporting block 3 is inserted into the through groove 132, the side of the supporting block 3 is positioned through the groove surface of the through groove 132, and the mounting precision of the tool body 1 and the supporting block 3 is improved.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides an axle is with location frock which characterized in that includes:
the tool comprises a tool body (1) which is sleeved on a processing shaft (100), and a plurality of mounting holes (12) are formed in the circumferential direction of the tool body (1);
the clamping shafts (2) are respectively arranged in the different mounting holes (12) in a penetrating mode and can tightly push the peripheral surface of the processing shaft (100);
and one end of the supporting block (3) is arranged on the workbench (200), and the other end of the supporting block is connected with the tool body (1).
2. The shaft positioning tool according to claim 1, wherein the plurality of clamping shafts (2) are arranged at equal intervals along the circumferential direction of the machining shaft (100).
3. The positioning tool for the shaft is characterized in that the clamping shaft (2) is in threaded connection with the mounting hole (12).
4. The positioning tool for the shaft is characterized in that a clamping boss (11) is arranged on the peripheral wall of the tool body (1), and the mounting hole (12) is formed in the clamping boss (11).
5. The positioning tool for the shaft as claimed in claim 1, wherein the tool body (1) is annular.
6. The positioning tool for the shaft as claimed in claim 1, wherein the clamping shaft (2) is provided with scale values along the axial direction thereof.
7. The shaft positioning tool according to any one of claims 1 to 6, wherein the shaft positioning tool comprises a plurality of support blocks (3), and the support blocks (3) are uniformly arranged at intervals along the circumferential direction of the tool body (1).
8. The positioning tool for the shaft according to claim 7, wherein the tool body (1) is provided with a plurality of fastening bosses (13) along the peripheral wall, the fastening bosses (13) are provided with first connecting holes (131), the supporting block (3) is provided with second connecting holes (31), and the first connecting holes (131) and the second connecting holes (31) are connected through fasteners (4).
9. The shaft positioning tool according to claim 8, wherein a through groove (132) is formed in the fastening boss (13), and the support block (3) is arranged on the through groove (132) in a penetrating manner.
10. A gear grinding machine characterized by comprising the positioning tool for a shaft according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021471595.6U CN212704807U (en) | 2020-07-23 | 2020-07-23 | Positioning tool for shaft and gear grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021471595.6U CN212704807U (en) | 2020-07-23 | 2020-07-23 | Positioning tool for shaft and gear grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212704807U true CN212704807U (en) | 2021-03-16 |
Family
ID=74908346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021471595.6U Active CN212704807U (en) | 2020-07-23 | 2020-07-23 | Positioning tool for shaft and gear grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212704807U (en) |
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2020
- 2020-07-23 CN CN202021471595.6U patent/CN212704807U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230207 Granted publication date: 20210316 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230327 Granted publication date: 20210316 |
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