CN215919801U - Integral key shaft clamping anchor clamps and lathe - Google Patents

Integral key shaft clamping anchor clamps and lathe Download PDF

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Publication number
CN215919801U
CN215919801U CN202122586772.6U CN202122586772U CN215919801U CN 215919801 U CN215919801 U CN 215919801U CN 202122586772 U CN202122586772 U CN 202122586772U CN 215919801 U CN215919801 U CN 215919801U
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China
Prior art keywords
spline shaft
clamping
spline
base
clamping fixture
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CN202122586772.6U
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Chinese (zh)
Inventor
周巍
周阳
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Shanghai Automobile Gear Works
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Shanghai Automobile Gear Works
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Priority to CN202122586772.6U priority Critical patent/CN215919801U/en
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Abstract

The utility model discloses a spline shaft clamping fixture and a machine tool, wherein the spline shaft clamping fixture is used for clamping a spline shaft, the spline shaft is provided with a spline section, a plurality of forming key protrusions are formed on the spline section, forming key grooves are formed between every two adjacent forming key protrusions, and the spline shaft clamping fixture comprises a base, a rotation stopping positioning part and a clamping assembly; the spline shaft is provided with a spline section, a spline positioning piece and a positioning adaptive key groove, wherein the spline section is arranged on the base and used for corresponding to the spline section; the clamping assembly is arranged on the base and used for clamping and fixing the spline shaft after rotation stopping and positioning. The utility model aims to solve the problem that the existing spline shaft clamping fixture is lack of a spline positioning device and causes large machining error.

Description

Integral key shaft clamping anchor clamps and lathe
Technical Field
The utility model relates to the technical field of machine manufacturing, in particular to a spline shaft clamping fixture and a machine tool.
Background
At present, an auxiliary tool is firstly adopted to position a spline shaft in the machining process, the spline shaft is fixed on a machine tool after the positioning is finished, then the auxiliary tool is taken down, and the spline shaft is subjected to machining such as plane milling, hole turning, side groove milling and the like, while the conventional auxiliary tool is mainly positioned by adopting a process reference boss or an optical tooth searching technology; after the process reference boss is positioned, the process reference boss needs to be detached and then processed, on one hand, a machine tool can vibrate in the processing process, and after the process reference boss is detached, a workpiece deviates due to vibration of the machine tool in the processing process, so that the processing error is large, on the other hand, the process reference boss needs to be detached or installed ceaselessly in the processing process, and the efficiency is not high; the optical tooth searching technology is complex in operation steps, needs to be debugged continuously, and is not suitable for small-batch trial production in a sample preparation stage.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a spline shaft clamping fixture and a machine tool, and aims to solve the problem that the existing spline shaft clamping fixture is lack of a spline positioning device and causes large machining errors.
In order to achieve the above object, the present invention provides a spline shaft clamping fixture and a machine tool, wherein the spline shaft clamping fixture is used for clamping a spline shaft, the spline shaft has a spline section, a plurality of forming key protrusions are formed on the spline section, and forming key slots are formed between adjacent forming key protrusions, and the spline shaft clamping fixture includes:
a base;
the spline section is arranged on the base and used for being arranged corresponding to the spline section, a positioning adaptive key protrusion and/or a positioning adaptive key groove extending along a first direction are formed on the rotation stopping positioning piece, the positioning adaptive key protrusion is used for being matched with the forming key groove, and the positioning adaptive key groove is used for being matched with the forming key protrusion so as to limit the rotation of the spline shaft; and the number of the first and second groups,
and the clamping assembly is arranged on the base and used for clamping and fixing the spline shaft after rotation stopping and positioning.
Optionally, the spline shaft clamping fixture further comprises a support seat movably mounted on the base along a first direction, a cushion block is arranged on the support seat, and the rotation stopping positioning piece is arranged on the cushion block;
wherein different numbers and/or thicknesses of said spacer blocks are selected to enable said anti-rotation locators to be at different heights.
Optionally, the clamping subassembly includes supporting seat and holder, the supporting seat is movably located along first direction on the base, holder fixed mounting is in on the supporting seat, just the holder is used for the centre gripping to be fixed the integral key shaft.
Optionally, the clamping piece comprises an upper pressing plate and a lower pressing plate, the lower pressing plate is fixedly connected to the supporting seat, the upper pressing plate is detachably covered on the lower pressing plate, and a mounting hole is formed between the upper pressing plate and the lower pressing plate and used for the end portion of the spline shaft to be installed in a penetrating mode.
Optionally, one end of the upper pressure plate is hinged to the lower pressure plate, and the other end of the upper pressure plate is provided with a connecting hole;
the lower pressing plate is provided with a thread locking hole corresponding to the connecting hole;
the spline shaft clamping fixture further comprises a locking screw, wherein the threaded end of the locking screw penetrates through the connecting hole and is in threaded mounting in the threaded locking hole.
Optionally, the integral key shaft clamping anchor clamps still include the top and hold the subassembly, the top is held the subassembly and is located movably along the first direction on the base, with the clamping subassembly centre gripping is fixed during the integral key shaft, the top is held the integral key shaft is kept away from the one end of clamping subassembly.
Optionally, the jacking assembly includes a tailstock and a screw shaft, an internal threaded hole extending along a first direction is formed in the tailstock, an apex is arranged at one end of the screw shaft close to the clamping assembly, and the screw shaft is movably mounted in the internal threaded hole to drive the apex to move in a direction close to or away from the clamping assembly;
the tailstock is movably arranged on the base along a first direction.
Optionally, the jacking assembly further includes an adjusting block, the adjusting block is movably disposed on the base along a first direction, and the tailstock is disposed on the adjusting block;
and selecting the adjusting blocks with different height specifications to enable the tailstock to be positioned at different heights.
Optionally, a sliding groove extending along a first direction is arranged on the base;
the lower end face of the adjusting block is convexly provided with a sliding bulge, and the sliding bulge is slidably arranged in the sliding groove.
The utility model also provides a machine tool, which comprises a frame, a spline shaft clamping fixture and a machining device; the spline shaft clamping fixture is arranged on the rack and used for fixing a spline shaft, and comprises a base, a rotation stopping positioning piece and a clamping assembly; the spline shaft is provided with a spline section, a spline positioning piece and a positioning adaptive key groove, wherein the spline section is arranged on the base and used for corresponding to the spline section; the clamping assembly is arranged on the base and used for clamping and fixing the spline shaft after rotation stopping and positioning; the processing device is arranged on the frame and used for processing the spline shaft fixed on the spline shaft clamping fixture.
In the technical scheme of the utility model, the spline shaft clamping fixture comprises a rotation stopping positioning part and a clamping fixture, in the actual processing process of the spline shaft, the spline shaft is required to be matched with other parts for use by technical operations such as surface milling, boring, groove turning and the like, in the processing process, the spline shaft is required to be processed in a plurality of working procedures, in order to reduce processing errors, the spline shaft is required to be positioned and fixed before processing, therefore, in the processing process, the positioning adaptive key protrusion is matched with the forming key groove to ensure that the spline shaft can be positioned on the rotation stopping positioning part, the rotation stopping positioning part can limit the rotation of the spline shaft, after the positioning is finished, one end of the spline shaft is clamped on the clamping component to ensure that the spline shaft can be fixed on the spline shaft clamping fixture, the fixation is completed, and the spline is prevented from shifting due to the vibration of a machine tool in the machining process, so that the machining error is reduced; the spline shaft is fixed through the spline in the machining process by the aid of the rotation stopping positioning piece, so that the spline is used as a uniform positioning reference, positioning deviation can be reduced, machining errors are reduced, and machining precision is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a spline shaft clamping fixture according to an embodiment of the present invention (including a spline shaft);
FIG. 2 is a schematic front view of the stopping rotation positioning member shown in FIG. 1;
FIG. 3 is a schematic perspective view of the upper platen of FIG. 1;
fig. 4 is a schematic perspective view of the lower platen of fig. 1.
The reference numbers illustrate:
reference numerals Name (R) Reference numerals Name (R)
100 Integral key shaft clamping anchor clamps 332 Lower pressing plate
1 Base seat 333 Mounting hole
11 Sliding chute 334 Screw locking hole
2 Rotation stopping positioning piece 335 Locking screw
21 Positioning adaptive key projection 4 Jacking assembly
22 Positioning adaptive key slot 41 Tailstock
3 Clamping assembly 411 Internal threaded hole
31 Supporting seat 42 Screw shaft
32 Cushion block 43 Centre for angling
321 Sliding lug 44 Adjusting block
33 Clamping piece 441 Sliding projection
331 Upper pressure plate 200 Spline shaft
3311 Connecting hole
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
At present, an auxiliary tool is firstly adopted to position a spline shaft in the machining process, the spline shaft is fixed on a machine tool after the positioning is finished, then the auxiliary tool is taken down, and the spline shaft is subjected to machining such as plane milling, hole turning, side groove milling and the like, while the conventional auxiliary tool is mainly positioned by adopting a process reference boss or an optical tooth searching technology; after the process reference boss is positioned, the process reference boss needs to be detached and then processed, on one hand, a machine tool can vibrate in the processing process, and after the process reference boss is detached, a workpiece deviates due to vibration of the machine tool in the processing process, so that the processing error is large, on the other hand, the process reference boss needs to be detached or installed ceaselessly in the processing process, and the efficiency is not high; the optical tooth searching technology is complex in operation steps, needs to be debugged continuously, and is not suitable for small-batch trial production in a sample preparation stage.
In view of this, fig. 1 to 4 illustrate an embodiment of a spline shaft clamping fixture according to the present invention, and the spline shaft clamping fixture will be mainly described below with reference to specific drawings.
Referring to fig. 1 and 2, the spline shaft clamping fixture 100 is used for clamping a spline shaft 200, the spline shaft 200 has a spline section, a plurality of forming key protrusions are formed on the spline section, forming key slots are formed between adjacent forming key protrusions, and the spline shaft clamping fixture 100 includes a base 1, a rotation stopping positioning member 2 and a clamping assembly 3; the rotation stopping positioning piece 2 is arranged on the base 1 and is used for being arranged corresponding to the spline section, a positioning adaptive key protrusion 21 and/or a positioning adaptive key groove 22 extending along a first direction are formed on the rotation stopping positioning piece 2, the positioning adaptive key protrusion 21 is used for being matched with the forming key groove, and the positioning adaptive key groove 22 is used for being matched with the forming key protrusion to limit the rotation of the spline shaft 200; the clamping assembly 3 is arranged on the base 1 and used for clamping and fixing the spline shaft 200 after rotation stopping and positioning.
In the technical scheme of the utility model, the spline shaft clamping fixture 100 comprises a rotation stopping positioning piece 2 and a clamping fixture, in the actual processing process of the spline shaft 200, the spline shaft 200 needs to be subjected to surface milling, boring, groove turning and other process operations, so that the spline shaft 200 can be matched with other parts for use, in the processing process, the spline shaft 200 often needs to be subjected to multiple working procedures for processing, and in order to reduce processing errors, the spline shaft 200 needs to be positioned and fixed before processing, therefore, in the processing process, the positioning adaptive key protrusion 21 is matched with the forming key groove, so that the spline shaft 200 can be positioned on the rotation stopping positioning piece 2, the rotation stopping positioning piece 2 can limit the rotation of the spline shaft 200, after the positioning is finished, one end of the spline shaft 200 is clamped on the clamping assembly, the spline shaft 200 can be fixed on the spline shaft clamping fixture 100 to finish the fixation, and the spline is prevented from deviating due to the vibration of a machine tool in the machining process, so that the machining error is reduced; the rotation stopping positioning piece 2 is arranged, so that the spline shafts 200 are positioned through the splines in the machining process, and therefore, the splines are used as a uniform positioning reference, the positioning deviation can be reduced, the machining error is reduced, and the machining precision is improved.
With reference to fig. 1 and fig. 2, in an actual production process, since spline positions of the spline shafts 200 are not consistent and diameters of the spline shafts 200 are not the same, the positions of the rotation stopping positioning members 2 need to be adjusted many times in the production process, so that the rotation stopping positioning members 2 can position the spline shafts 200; in order to ensure that the rotation-stopping positioning piece 2 can accurately position the spline shaft 200, the spline shaft clamping fixture 100 further comprises a supporting seat 31 movably mounted on the base 1 along a first direction, a cushion block 32 is arranged on the supporting seat 31, and the rotation-stopping positioning piece 2 is arranged on the cushion block 32; in the actual processing process, the supporting seat 31 is adjusted along the first direction, then the spline shaft 200 is pre-installed on the clamping assembly 3, and then the shim is adjusted, so that the rotation stopping positioning member 2 can position the spline on the spline shaft 200 and keep relatively fixed with the spline shaft 200, and thus, the rotation stopping positioning member 2 can position the spline shaft 200 on the spline shaft clamping fixture 100 and limit the spline shaft 200 to axially rotate, and the spline shaft 200 is prevented from deviating, which results in a large processing error.
In addition, it should be noted that the arrangement manner of the spacers is not limited as long as the rotation stopping positioning member 2 can be located at different heights, in an embodiment, a plurality of spacers are provided, the thicknesses of the plurality of spacers are consistent, and the heights of the rotation stopping positioning member 2 are changed by stacking the plurality of spacers together; in another embodiment, a plurality of the spacers are provided, the thickness of the plurality of spacers is different, and the height of the rotation stopping positioning piece 2 is changed by selecting the spacers with different thicknesses; in another embodiment, the number of the spacers is multiple, the thickness of the spacers is different, and the height of the rotation stopping positioning piece 2 is changed by stacking the spacers with different thicknesses.
With reference to fig. 1 and fig. 2, in order to ensure that the spline shaft 200 can be fixed on the spline shaft clamping fixture 100, the clamping assembly 3 includes a clamping member 33, the clamping member 33 is fixedly mounted on the supporting seat 31 and can move along with the base 1 along a first direction, during an actual machining process, the spline shaft 200 is first pre-mounted on the clamping member 33, then the position of the rotation stopping positioning member 2 is adjusted, so that the rotation stopping positioning member 2 and the spline shaft 200 are relatively fixed, and then the clamping member 33 clamps and fixes the spline shaft 200, so that the spline shaft 200 is fixed on the spline shaft clamping fixture 100, thereby preventing the spline shaft 200 from shifting due to vibration of a machine tool during the machining process, and reducing a machining error.
The arrangement mode of the clamping piece 33 is not limited, as long as the spline shaft 200 can be fixed on the spline shaft clamping fixture 100, for example, the clamping piece 33 can be arranged as a clamping jaw for clamping the spline shaft 200, the clamping piece 33 can also be arranged as two pressing plates capable of being buckled, and the spline shaft 200 can be clamped between the two pressing plates. Specifically, referring to fig. 3 and 4, in the present embodiment, the clamping member 33 includes an upper pressing plate 331 and a lower pressing plate 332, the lower pressing plate 332 is fixedly connected to the supporting seat 31, the upper pressing plate 331 is detachably covered on the lower pressing plate 332, and a mounting hole 333 is formed between the upper pressing plate 331 and the lower pressing plate 332 for the end of the spline shaft 200 to pass through; in the actual clamping process, the spline shaft 200 is firstly pre-mounted on the lower pressure plate 332, and after the adjustment is completed, the upper pressure plate 331 is covered on the lower pressure plate 332, so that the end of the spline shaft 200 is fixed between the upper pressure plate 331 and the lower pressure plate 332, thereby avoiding the spline shaft 200 from deviating in the processing process and reducing the processing error.
Further, in order to ensure that the end of the spline shaft 200 can be fixed between the upper pressure plate 331 and the lower pressure plate 332, one end of the upper pressure plate 331 is hinged to the lower pressure plate 332, and the other end is provided with a connecting hole 3311; the lower press plate 332 is provided with a thread locking hole 334 corresponding to the connecting hole 3311; the spline shaft clamping fixture 100 further comprises a locking screw 335, wherein the threaded end of the locking screw 335 is inserted into the connecting hole 3311 and is threadedly mounted in the thread locking hole 334. In this embodiment, the locking screw 335 is installed through the connecting hole 3311 on the upper plate 331, when the upper plate 331 and the lower plate 332 coincide, the locking screw 335 is matched with the thread locking hole 334, so that the upper plate 331, the spline shaft 200 and the lower plate 332 are mutually abutted and fixed, thereby ensuring that the spline shaft 200 can be fixed on the spline shaft clamping fixture 100, avoiding the spline shaft 200 from shifting in the processing process, and reducing the processing error.
In the actual production process, the machine tool will vibrate, if in the machining process, only one end of the spline shaft 200 is clamped, and the other end will swing due to the vibration of the machine tool, so as to avoid the spline shaft 200 from swinging, please refer to fig. 1, in this embodiment, the spline shaft clamping fixture 100 further includes a propping assembly 4, and the propping assembly 4 is movably disposed on the base 1 along the first direction, so as to prop and prop one end of the spline shaft 200 far away from the clamping assembly 3 when the clamping assembly 3 clamps and fixes the spline shaft 200. In fact, after the clamping assembly fixes the spline shaft 200 on the base 1, the supporting assembly 4 moves towards the direction close to the clamping assembly 3 until the supporting assembly 4 supports the end of the spline shaft 200 away from the clamping assembly, at this time, the supporting assembly 4 and the clamping assembly 3 are clamped at the two ends of the spline shaft 200, and the spline shaft 200 is fixed on the clamping fixture; in this way, the spline shaft 200 can be prevented from swinging due to vibration of the machine tool during machining, and machining errors can be reduced.
Further, with reference to fig. 1, the supporting assembly 4 includes a tail seat 41 and a screw shaft 42, an internal threaded hole 411 is formed in the tail seat 41 and extends along a first direction, an apex 43 is disposed at an end of the screw shaft 42 close to the clamping assembly 3, and the screw shaft 42 is movably mounted in the internal threaded hole 411 to drive the apex 43 to move in a direction close to or away from the clamping assembly 3; the tailstock 41 is movably arranged on the base 1 along a first direction. In this embodiment, the jacking assembly 4 includes a tailstock 41 and a screw shaft 42, during an actual machining process, the tailstock 41 moves in a direction approaching the clamping assembly 3 until approaching the screw shaft 42, at this time, the tailstock 41 stops moving, and the screw shaft 42 moves in a first direction, so as to drive the tip 43 to move in a direction approaching the screw shaft 42 until the tip 43 jacks an end of the screw shaft 42, so that the screw shaft 42 is fixed on the spline shaft clamping fixture 100, thereby preventing the spline shaft 200 from swinging due to vibration of the machine tool, and reducing a machining error.
As the diameters of the spline shafts 200 processed at each time are different, the heights of the apexes 43 need to be adjusted, so that the apexes 43 can be supported at the end portions of the spline shafts 200, referring to fig. 1, in this embodiment, the supporting assembly 4 further includes an adjusting block 44, the adjusting block 44 is movably disposed on the base 1 along a first direction, and the tailstock 41 is disposed on the adjusting block 44; in fact, the lower end of the tailstock 41 is further provided with an adjusting block 44, and the adjusting block 44 is used for adjusting the height of the tip 43, so that the tip 43 can be aligned with the spline shaft 200.
The setting manner of the adjusting block 44 is not limited, as long as the height of the tailstock 41 can be adjusted, and in an embodiment, the adjusting block 44 with different height specifications is selected, so that the tailstock 41 can be located at different heights; in another embodiment, the adjusting block 44 is a telescopic block, which can move up and down to adjust the height of the tailstock 41.
Referring to fig. 1, the base 1 is provided with a sliding groove 11 extending along a first direction; the lower end surface of the adjusting block 44 is convexly provided with a sliding protrusion 441, the sliding protrusion 441 is slidably mounted in the sliding groove 11, and the sliding groove 11 and the sliding protrusion 441 are arranged, so that the movement of the jacking component 4 is more stable.
In addition, as shown in fig. 1, a sliding protrusion 321 is protruded from a lower end surface of the supporting seat 31, and the sliding protrusion 321 is slidably mounted in the sliding groove 11, so that the clamping assembly 3 can move smoothly.
The utility model also provides a machine tool, which comprises the machine tool, a spline shaft clamping fixture 100 and a processing device, wherein the spline shaft clamping fixture 100 is arranged on the frame and used for fixing a spline shaft 200, the processing device is arranged on the frame and used for processing the spline shaft 200 fixed on the spline shaft clamping fixture 100, and the setting mode of the processing device is not limited and can be a milling cutter or a drill bit; the specific structure of the spline shaft clamping fixture 100 refers to the above embodiments. Since the present bed adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. The utility model provides a spline shaft clamping anchor clamps for the clamping integral key shaft, the integral key shaft has the spline section, it is protruding to be formed with a plurality of forming key on the spline section, and is adjacent be formed with the shaping keyway between the forming key is protruding, its characterized in that, spline shaft clamping anchor clamps include:
a base;
the spline section is arranged on the base and used for being arranged corresponding to the spline section, a positioning adaptive key protrusion and/or a positioning adaptive key groove extending along a first direction are formed on the rotation stopping positioning piece, the positioning adaptive key protrusion is used for being matched with the forming key groove, and the positioning adaptive key groove is used for being matched with the forming key protrusion so as to limit the rotation of the spline shaft; and the number of the first and second groups,
and the clamping assembly is arranged on the base and used for clamping and fixing the spline shaft after rotation stopping and positioning.
2. The spline shaft clamping fixture according to claim 1, further comprising a support base movably mounted on the base in a first direction, wherein a cushion block is provided on the support base, and the rotation-stopping positioning member is provided on the cushion block;
wherein different numbers and/or thicknesses of said spacer blocks are selected to enable said anti-rotation locators to be at different heights.
3. The spline shaft clamping fixture according to claim 1, wherein the clamping assembly comprises a supporting base and a clamping member, the supporting base is movably arranged on the base along a first direction, the clamping member is fixedly arranged on the supporting base, and the clamping member is used for clamping and fixing the spline shaft.
4. The spline shaft clamping fixture according to claim 3, wherein the clamping member comprises an upper pressing plate and a lower pressing plate, the lower pressing plate is fixedly connected to the supporting base, the upper pressing plate is detachably covered on the lower pressing plate, and a mounting hole is formed between the upper pressing plate and the lower pressing plate for the end portion of the spline shaft to be mounted in a penetrating manner.
5. The spline shaft clamping fixture according to claim 4, wherein one end of the upper pressure plate is hinged to the lower pressure plate, and a connecting hole is formed through the other end of the upper pressure plate;
the lower pressing plate is provided with a thread locking hole corresponding to the connecting hole;
the spline shaft clamping fixture further comprises a locking screw, wherein the threaded end of the locking screw penetrates through the connecting hole and is in threaded mounting in the threaded locking hole.
6. The spline shaft clamping fixture according to claim 1, further comprising a supporting member movably disposed on the base in a first direction to support an end of the spline shaft away from the clamping member when the clamping member clamps and fixes the spline shaft.
7. The spline shaft clamping fixture according to claim 6, wherein the jacking assembly comprises a tailstock and a screw shaft, an internal threaded hole extending in a first direction is formed in the tailstock, an apex is arranged at one end of the screw shaft close to the clamping assembly, and the screw shaft is movably mounted in the internal threaded hole to drive the apex to move in a direction close to or away from the clamping assembly;
the tailstock is movably arranged on the base along a first direction.
8. The spline shaft clamping fixture according to claim 7, wherein the jacking assembly further comprises an adjusting block movably arranged on the base along a first direction, and the tailstock is arranged on the adjusting block;
and selecting the adjusting blocks with different height specifications to enable the tailstock to be positioned at different heights.
9. The spline shaft clamping fixture according to claim 8, wherein the base is provided with a sliding groove extending in a first direction;
the lower end face of the adjusting block is convexly provided with a sliding bulge, and the sliding bulge is slidably arranged in the sliding groove.
10. A machine tool, characterized in that it comprises:
a frame;
the spline shaft clamping fixture is arranged on the frame and used for fixing a spline shaft, and the spline shaft clamping fixture is the spline shaft clamping fixture as claimed in any one of claims 1 to 9; and the number of the first and second groups,
and the processing device is arranged on the frame and used for processing the spline shaft fixed on the spline shaft clamping fixture.
CN202122586772.6U 2021-10-26 2021-10-26 Integral key shaft clamping anchor clamps and lathe Active CN215919801U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122586772.6U CN215919801U (en) 2021-10-26 2021-10-26 Integral key shaft clamping anchor clamps and lathe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122586772.6U CN215919801U (en) 2021-10-26 2021-10-26 Integral key shaft clamping anchor clamps and lathe

Publications (1)

Publication Number Publication Date
CN215919801U true CN215919801U (en) 2022-03-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122586772.6U Active CN215919801U (en) 2021-10-26 2021-10-26 Integral key shaft clamping anchor clamps and lathe

Country Status (1)

Country Link
CN (1) CN215919801U (en)

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