CN212946590U

CN212946590U - Machining clamp for half-axle gear lathe

Info

Publication number: CN212946590U
Application number: CN202021226378.0U
Authority: CN
Inventors: 朱霆
Original assignee: Chongqing Sanchuang Automobile Fittings Co ltd
Current assignee: Chongqing Sanchuang Automobile Fittings Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-04-13
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a semi-axis tooth adds clamping apparatus for lathe, comprising a base plate, be provided with a plurality of screws on the bottom plate, one side of bottom plate is provided with the fixed plate, the fixed plate is kept away from one side of bottom plate is provided with work piece one, the work piece is kept away from one side of fixed plate is provided with the backing plate, the backing plate is kept away from one side of work piece one is provided with the nut piece, the intermediate position of bottom plate is provided with dabber one, just dabber one runs through in proper order the fixed plate work piece one the backing plate reaches the nut piece extends to the outside of nut piece. Has the advantages that: simple structure, reasonable in design, the centre gripping is firm, and positioning accuracy is higher, and the quick installation and the dismantlement of the work piece of being convenient for can process different semi-axis teeth, have improved semi-axis teeth's machining efficiency, have guaranteed semi-axis teeth's quality.

Description

Machining clamp for half-axle gear lathe

Technical Field

The utility model relates to a frock clamp technical field particularly, relates to a semi-axis tooth machining clamp for lathe.

Background

The differential is a key component in an automobile gearbox, and the differential outputs torque through two side gears respectively. The half shaft gear is a bevel gear and is structurally characterized in that the small end of each bevel gear faces outwards, and a spline shaft hole is arranged in the middle of each bevel gear. The automobile half shaft gear is a straight bevel gear, when the automobile half shaft gear is assembled, a mounting surface, a shaft neck and a tooth surface are matched with adjacent parts, and the matching precision directly influences the transmission quality of the automobile half shaft gear. And the mounting surface and the shaft neck are assembly reference, so that the requirement of the jumping of the gear ring by taking the mounting surface and the shaft neck as reference is high during processing. After the tooth profile of the automobile side gear is formed, necessary heat treatment is carried out, and after the heat treatment, the tooth part is not machined. The clamp used in the existing processing adopts a locking mode of tooth-shaped positioning and three-jaw pressing back cone, the structure of the clamp is complex, the manufacturing cost is high, the clamping efficiency is low, and the time consumption for re-calibrating the clamp during product replacement directly influences the processing efficiency of the half axle gear.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a semi-axis tooth is add clamping apparatus for lathe to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a semi-axis tooth is add clamping apparatus for lathe, includes the bottom plate, be provided with a plurality of screws on the bottom plate, one side of bottom plate is provided with the fixed plate, the fixed plate is kept away from one side of bottom plate is provided with work piece one, the work piece is kept away from one side of fixed plate is provided with the backing plate, the backing plate is kept away from one side of work piece one is provided with the nut piece, the intermediate position of bottom plate is provided with dabber one, just dabber one runs through in proper order the fixed plate work piece one the backing plate reaches the nut piece extends to the outside of nut piece.

Furthermore, in order to enable the base plate to be fixed on the installation end face of the lathe through the first threaded hole to achieve rapid installation of the clamp, and meanwhile, the axis of the base plate is consistent with the axis of the end face of the lathe, so that the turning precision is guaranteed, the first threaded hole is formed in the middle of the base plate, the first threaded hole is axially and annularly provided with a plurality of second threaded holes, and a plurality of stepped holes are uniformly formed between the first threaded hole and the second threaded hole.

Furthermore, in order to enable the bevel teeth to be closely attached to the end face of the first workpiece, a cavity is arranged at the middle position of the fixing plate, a plurality of bevel teeth are arranged on the edge of the cavity, and a plurality of threaded holes III are formed in the axial direction of the cavity in a surrounding mode.

Furthermore, in order to pass through in the installation process of the mandrel I, the end face I is matched with a wrench for use, the fastening is convenient, the mandrel I is connected with the base plate more firmly, the positioning accuracy of the workpiece I is further ensured, and meanwhile, the workpiece I can be installed on the boss, so that the clamping and subsequent processing of the workpiece I are facilitated.

Furthermore, in order to enable the first core shaft to be fixed on the bottom plate, the first nut block is matched with the base plate to clamp the workpiece, subsequent processing is facilitated, the first workpiece can be rapidly installed and detached, the processing efficiency of the half axle gear is improved, the first stud is matched with the first threaded hole, and the second stud is matched with the nut block.

Furthermore, in order to enable the bottom plate and the fixing plate to be tightly connected into a whole, a calibration platform is provided for accurately positioning the workpiece, and the screw is sequentially matched with the stepped hole and the threaded hole in a three-phase mode.

The utility model has the advantages that:

(1) the utility model discloses simple structure, reasonable in design, the centre gripping is firm, and positioning accuracy is higher, and the quick installation and the dismantlement of the work piece of being convenient for can process the semi-axis tooth of difference, have improved the machining efficiency of semi-axis tooth, have guaranteed the quality of semi-axis tooth.

(2) Through setting up dabber one with two kinds of different dabbers of dabber to can the centre gripping different semi-axis teeth, and then widened the range of application of anchor clamps, can choose different dabbers for use according to different semi-axis teeth, make things convenient for the processing to different dabbers, avoided because of changing the product and need trade anchor clamps again from the trouble of new calibration.

(3) Through setting up stud one with screw hole one cooperatees, stud two with the nut piece cooperatees, thereby makes dabber one can be fixed on the bottom plate, simultaneously through the nut piece with the backing plate cooperatees to press from both sides tightly the work piece, convenient subsequent processing makes the installation and the dismantlement that the work piece can be quick have improved the machining efficiency of differential side gear.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a middle bottom plate according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a fixing plate according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a first central spindle according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram according to a second embodiment of the present invention;

fig. 6 is a schematic structural view of a second mandrel according to an embodiment of the present invention.

In the figure:

1. a base plate; 101. a first threaded hole; 102. a second threaded hole; 103. a stepped hole; 2. a screw; 3. a fixing plate; 301. a cavity; 302. conical teeth; 303. a third threaded hole; 4. a first workpiece; 5. a base plate; 6. a nut block; 7. a first mandrel; 701. a stud I; 702. a boss; 703. the end face I; 704. a second stud; 8. a second mandrel; 801. a stud III; 802. a cylindrical sleeve; 803. a second end face; 804. a stud IV; 9. and a second workpiece.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a semi-axis tooth adds clamping apparatus for lathe.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Example one

As shown in fig. 1-4, according to the utility model discloses half axle tooth is add clamping apparatus for lathe, including bottom plate 1, be provided with a plurality of screws 2 on the bottom plate 1, one side of bottom plate 1 is provided with fixed plate 3, fixed plate 3 is kept away from one side of bottom plate 1 is provided with work piece 4, work piece 4 is kept away from one side of fixed plate 3 is provided with backing plate 5, backing plate 5 is kept away from one side of work piece 4 is provided with nut piece 6, the intermediate position of bottom plate 1 is provided with dabber 7, just dabber 7 runs through in proper order fixed plate 3 with work piece 4 with backing plate 5 reaches nut piece 6 to extend to the outside of nut piece 6.

By means of the scheme, the structure is simple, the design is reasonable, the clamping is firm, the positioning precision is higher, the workpiece can be rapidly mounted and dismounted conveniently, different half axle teeth can be machined, the machining efficiency of the half axle teeth is improved, and the quality of the half axle teeth is guaranteed.

In one embodiment, a first threaded hole 101 is formed in the middle of the base plate 1, a plurality of second threaded holes 102 are formed around the first threaded hole 101, and a plurality of stepped holes 103 are uniformly formed between the first threaded hole 101 and the second threaded holes 102, so that the base plate 1 is fixed on a mounting end face of a lathe through the first threaded hole 101 to achieve quick mounting of a clamp, and meanwhile, the axis of the base plate 1 is consistent with the axis of the end face of the lathe, and further, the turning precision is guaranteed.

In one embodiment, a cavity 301 is formed in the middle of the fixing plate 3, a plurality of bevel teeth 302 are formed on the edge of the cavity 301, and a plurality of threaded holes three 303 are formed around the cavity 301, so that the bevel teeth 302 are more closely attached to the end surface of the first workpiece 4.

In one embodiment, the mandrel I7 comprises a first stud 701 arranged in the first threaded hole 101, a boss 702 is arranged at one end, away from the base plate 1, of the first stud 701, a first end face 703 is symmetrically arranged at one end, away from the first stud 701, of the boss 702, and a second stud 704 is arranged at one end, away from the first stud 701, of the boss 702, so that the mandrel I7 is matched with a wrench through the first end face 703 in the installation process, fastening is facilitated, the mandrel I7 is connected with the base plate 1 more firmly, the positioning accuracy of the first workpiece 4 is further ensured, and meanwhile, the first workpiece 4 can be installed on the boss 702, and the clamping and subsequent processing of the first workpiece 4 are facilitated.

In one embodiment, the first stud 701 is matched with the first threaded hole 101, and the second stud 704 is matched with the nut block 6, so that the first mandrel 7 can be fixed on the base plate 1, and meanwhile, the nut block 6 is matched with the backing plate 5 to clamp the first workpiece 4, subsequent processing is facilitated, the first workpiece 4 can be rapidly installed and detached, and the processing efficiency of the half axle gear is improved.

In one embodiment, the screw 2 is engaged with the stepped hole 103 and the threaded hole three 303, so that the base plate 1 and the fixing plate 3 can be tightly connected into a whole, and an alignment platform is provided for accurately positioning the workpiece-4.

Example two

As shown in fig. 5-6, according to the utility model discloses half axle tooth is add clamping apparatus for lathe, including bottom plate 1, be provided with a plurality of screws 2 on the bottom plate 1, one side of bottom plate 1 is provided with fixed plate 3, fixed plate 3 keeps away from one side of bottom plate 1 is provided with two 9 of work pieces, two 9 of work pieces are kept away from one side of fixed plate 3 is provided with backing plate 5, backing plate 5 is kept away from one side of two 9 of work pieces is provided with nut piece 6, the intermediate position of bottom plate 1 is provided with dabber two 8, just dabber two 8 run through in proper order fixed plate 3 work pieces two 9 backing plate 5 reaches nut piece 6 and extend to the outside of nut piece 6.

In addition, in specific application, the mandrel two 8 comprises a stud three 801 arranged in the threaded hole one 101, a cylindrical sleeve 802 is arranged at one end, away from the bottom plate 1, of the stud three 801, a second end face 803 is symmetrically arranged at one end, away from the stud three 801, of the cylindrical sleeve 802, and a stud four 804 is arranged at one end, away from the stud three 801, of the cylindrical sleeve 802, so that the mandrel two 8 can be used for assembling a workpiece two 9, positioning and machining of half-axle teeth of the workpiece two 9 are facilitated, the application range of the clamp is further widened, different mandrels can be selected according to different half-axle teeth, machining of different mandrels is facilitated, and the trouble of replacing the clamp is avoided.

The working principle is as follows: when in use, the fixing plate 3 is firstly installed on the base plate 1 through the matching of the stepped hole 103 with the threaded hole III 303 and the screw 2, then the base plate 1 is installed on the installation end face of a lathe through the threaded hole II 102, the mandrel I7 is installed on the base plate 1, at the moment, the stud I701 is matched with the threaded hole I101, the mandrel I7 is fastened through the matching of the end face I703 and a wrench, the workpiece I4 is sleeved on the boss 702 on the mandrel I7, the backing plate 5 is sleeved on the mandrel I7 and is contacted with one end of the workpiece I4, the nut block 6 is screwed through the matching of the nut block 6 and the stud II 704, so as to clamp the workpiece I4, the subsequent processing is convenient, when the processed part needs to be replaced after the processing is finished, only the nut block 6 needs to be screwed off, the base plate 5 and the first workpiece 4 are sequentially taken down, the first mandrel 7 is screwed down by matching with a wrench, the second mandrel 8 is installed on the bottom plate 1, the second workpiece 9 is installed on the cylindrical sleeve 802, the base plate 5 is sleeved on the second mandrel 8, and the second workpiece 9 is tightly screwed through the nut block 6 to clamp the second workpiece 9 for subsequent processing.

To sum up, with the help of the above technical scheme of the utility model, through setting up dabber one 7 with two kinds of different dabber of dabber two 8 to can the different semi-axis tooth of centre gripping, and then widen the range of application of anchor clamps, can choose different dabbers for use according to the semi-axis tooth of difference, make things convenient for the processing to different dabbers, avoid needing to trade anchor clamps again because of changing the product from the trouble of new calibration. Through setting up stud one 701 with screw hole 101 cooperatees, stud two 704 with nut piece 6 cooperatees, thereby makes dabber 7 can be fixed on bottom plate 1, simultaneously through nut piece 6 with backing plate 5 cooperatees, in order to press from both sides tightly work piece one 4, convenient subsequent processing, and then make installation and dismantlement that work piece one 4 can be quick have improved the machining efficiency of side gear. Therefore, the semi-axle gear fixing device has the advantages of simple structure, reasonable design, firm clamping, higher positioning precision, convenience for quick installation and disassembly of workpieces, capability of machining different semi-axle gears, improvement on the machining efficiency of the semi-axle gears and guarantee on the quality of the semi-axle gears.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a half axle tooth is add clamping apparatus for lathe, its characterized in that, includes bottom plate (1), be provided with a plurality of screws (2) on bottom plate (1), one side of bottom plate (1) is provided with fixed plate (3), keep away from fixed plate (3) one side of bottom plate (1) is provided with work piece (4), work piece (4) are kept away from one side of fixed plate (3) is provided with backing plate (5), backing plate (5) are kept away from one side of work piece (4) is provided with nut piece (6), the intermediate position of bottom plate (1) is provided with dabber (7), just dabber (7) run through in proper order fixed plate (3), work piece (4) backing plate (5) reach nut piece (6) and extend to the outside of nut piece (6).

2. The machining clamp for the side gear lathe is characterized in that a first threaded hole (101) is formed in the middle of the base plate (1), a plurality of second threaded holes (102) are formed in the first threaded hole (101) in an axially surrounding mode, and a plurality of stepped holes (103) are uniformly formed between the first threaded hole (101) and the second threaded holes (102).

3. The machining clamp for the half-axle gear lathe is characterized in that a cavity (301) is arranged in the middle of the fixing plate (3), a plurality of bevel teeth (302) are arranged on the edge of the cavity (301), and a plurality of threaded holes III (303) are formed in the cavity (301) in an axially surrounding mode.

4. The machining clamp for the half-axle gear lathe is characterized in that the mandrel I (7) comprises a first stud (701) arranged in the threaded hole I (101), a boss (702) is arranged at one end, away from the base plate (1), of the first stud (701), an end face I (703) is symmetrically arranged at one end, away from the first stud (701), of the boss (702), and a stud II (704) is arranged at one end, away from the first stud (701), of the boss (702).

5. The half-gear machine tool machining clamp as claimed in claim 4, characterized in that the first stud (701) is matched with the first threaded hole (101), and the second stud (704) is matched with the nut block (6).

6. The machining jig for the side gear machine tool according to claim 3, characterized in that the screw (2) is fitted with the stepped hole (103) and the threaded hole three (303) in this order.