CN218312141U

CN218312141U - Auxiliary clamp

Info

Publication number: CN218312141U
Application number: CN202222606483.2U
Authority: CN
Inventors: 张兵
Original assignee: Chongqing Dingsihang Machinery Parts Manufacturing Co ltd
Current assignee: Chongqing Dingsihang Machinery Parts Manufacturing Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-17
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to an interior semi-axis mills tooth technical field, concretely relates to auxiliary fixture, the setting is on work platform, including the axial setting element, the axial setting element includes the butt joint end, drive unit and location head, the butt joint end sets up one side at work platform, with be connected with the one end of interior semi-axis, drive unit sets up the other end at work platform, and cooperate with the other end butt of interior semi-axis, the axis setting of interior semi-axis is followed to the location head, and with the flexible cooperation of drive unit, improve the structure of anchor clamps, add the axial setting element, utilize the drive unit to restrict the axial of the interior semi-axis of processing, thereby need add man-hour at the interior semi-axis of different length, can adjust drive unit, make the axial of interior semi-axis obtain the restriction, and then satisfy in the interior semi-axis course of working, axial restriction requirement.

Description

Auxiliary clamp

Technical Field

The utility model relates to an interior semi-axis mills tooth technical field, especially relates to an auxiliary clamp.

Background

The inner half shaft shown in fig. 1 is one of the main connecting pieces of the front axle of the automobile, and has important functions in transmission and torque, and when the inner half shaft is subjected to external spline machining, the past clamping stability is insufficient because the inner half shaft is a cylinder.

The prior art CN209021635U discloses a fixture for processing an internal spline of a half axle gear, which comprises a connecting ring and an extrusion ring connected with a mobile unit, wherein the extrusion ring is extruded by adjusting the position of the connecting ring, so that an internal half axle arranged in the extrusion ring can be effectively fixed, and subsequent processing work can be performed;

however, in the actual use process, it is found that although the inner half shaft can be fixed by the clamp, the length of the inner half shaft is not uniform, and when the inner half shaft with a short length is processed, the axial direction of the inner half shaft is not fixed, so that the problem that the processing quality is reduced easily due to axial displacement in the processing process is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an auxiliary clamp aims at solving the problem that the anchor clamps that exist can't adapt to the interior semi-axis of different length among the prior art.

In order to achieve the above object, the utility model provides an auxiliary fixture sets up on work platform, including the axial setting element, the axial setting element includes butt joint end, drive unit and location head, the butt joint end sets up in one side of work platform to be connected with the one end of interior semi-axis, drive unit sets up at work platform's the other end, and cooperates with the other end butt of interior semi-axis, the location head along the axis setting of interior semi-axis, and with the flexible cooperation of drive unit.

The butt joint end comprises a mounting seat, a rotating ring and a plurality of rotors, the mounting seat is arranged on the upper side of the working platform, the rotating ring is sleeved on the outer side of the mounting seat and matched with the inner diameter of the inner half shaft, and the rotors are arranged between the rotating ring and the mounting seat.

Wherein, drive unit includes centre gripping frame, mounting panel and the driving motor who is equipped with the reduction gear, driving motor sets up on work platform, the mounting panel passes through the reduction gear with driving motor's output transmission is connected, just the centre of a circle department of mounting panel is installed the location head, centre gripping frame sets up the outside of mounting panel, and with the mounting panel rotates to be connected.

The clamping frame comprises a rotating shaft, a connecting seat, a square frame and a plurality of positioning bolts, the connecting seat is rotatably connected with the mounting plate through the rotating shaft, the square frame is rotatably connected with the connecting seat, and the positioning bolts penetrate through the square frame.

The positioning head comprises a supporting head provided with a positioning hole, a sliding sleeve provided with a plurality of limiting holes along the length direction and a limiting bolt, the supporting head is arranged on the inner side of the sliding sleeve, the sliding sleeve is connected with the mounting plate, and the limiting bolt penetrates through the supporting head and the sliding sleeve through the positioning hole and the limiting holes respectively.

The utility model discloses an auxiliary clamp, on prior art's basis, improve anchor clamps's structure, add the axial setting element utilizes the drive unit will wait that the axial of the interior semi-axis of processing limits to need add man-hour at the interior semi-axis of different length, can adjust the drive unit for the axial of interior semi-axis obtains the restriction, and then satisfies in the interior semi-axis course of working, axial restriction requirement.

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.

Fig. 1 is a schematic view of the axial measurement structure of the inner half shaft workpiece of the auxiliary clamp of the present invention.

Fig. 2 is a schematic axial view of a first embodiment of an auxiliary clamp according to the present invention.

Fig. 3 is a schematic cross-sectional view of a second embodiment of an auxiliary clamp according to the present invention.

Fig. 4 is a schematic view of a second embodiment of an auxiliary clamp according to the present invention.

Fig. 5 is a schematic view of an axial structure of a driving unit of a second embodiment of an auxiliary clamp according to the present invention.

Fig. 6 is a schematic cross-sectional view of a positioning head of a second embodiment of an auxiliary fixture according to the present invention.

101-butt joint end, 102-drive unit, 103-positioning head, 104-mounting seat, 105-rotating ring, 106-rotor, 107-clamping frame, 108-mounting plate, 109-drive motor, 110-speed reducer, 201-rotating shaft, 202-connecting seat, 203-square frame, 204-positioning bolt, 205-holding head, 206-sliding sleeve, 207-limiting bolt, 208-positioning hole and 209-limiting hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

First embodiment

Referring to fig. 2, fig. 2 is a schematic axial view of an auxiliary fixture according to a first embodiment of the auxiliary fixture.

The utility model provides an auxiliary clamp sets up on work platform, including the axial positioning piece, the axial positioning piece includes butt joint end 101, drive unit 102 and location head 103, butt joint end 101 includes mount pad 104, rotatory ring 105 and a plurality of rotor 106, drive unit 102 includes centre gripping frame 107, is equipped with mounting panel 108 and the driving motor 109 of reduction gear 110, butt joint end 101 sets up in one side of work platform to be connected with the one end of interior semi-axis, drive unit 102 sets up at work platform's the other end, and cooperates with the other end butt of interior semi-axis, location head 103 sets up along the axis of interior semi-axis, and with the flexible cooperation of drive unit 102.

In this embodiment, the mode of limiting and fixing the inner half shaft by the connecting ring and the extrusion ring in the prior art is cancelled, the axial positioning of the inner half shaft is realized by the axial positioning piece, the butt joint end 101 is used for butt joint of one end of the inner half shaft, the limit of the other end of the inner half shaft is realized by the driving unit 102, the length of the positioning head 103 is adjustable, the subsequent processing work can be performed until the positioning head 103 enables the inner half shaft to be fully butted with the butt joint end 101 along the axial direction, the mounting seat 104 is fixedly connected with the working platform, so that the limit of one end of the inner half shaft in the axial direction is realized, the positioning head 103 with adjustable length is further matched, the axial stability requirements of the inner half shafts with different lengths can be met, the rotating ring 105 is matched with the plurality of rotors 106, so that the inner half shaft can rotate in the processing process, the clamping frame 107 is used for fixing one end of the inner half shaft, the inner half shaft is driven to rotate under the action of the driving motor 109, so that the processing requirements of the inner and outer spline of the half shaft in the inner half shaft can be met, and the technical scheme can be applied to solve the problem of insufficient axial stability in the prior art that the inner half shaft is processed.

The mounting seat 104 is disposed on the upper side of the working platform, the rotating ring 105 is sleeved on the outer side of the mounting seat 104, the rotating ring 105 fits with the inner diameter of the inner half shaft, and the plurality of rotors 106 are disposed between the rotating ring 105 and the mounting seat 104.

The mounting seat 104 is used for being fixed on a working platform, the rotating ring 105 is sleeved on the outer side of the mounting seat 104, relative rotation between the rotating ring 105 and the mounting seat 104 is achieved through the rotors 106, and when one end of the inner half shaft abuts against the outer side of the rotating ring 105, the inner half shaft can rotate along with rotation of the clamping frame 107.

Secondly, driving motor 109 sets up on work platform, mounting panel 108 pass through reduction gear 110 with driving motor 109's output transmission is connected, just the centre of a circle department installation of mounting panel 108 positioning head 103, centre gripping frame 107 sets up the outside of mounting panel 108, and with mounting panel 108 rotates and is connected.

The driving motor 109 rotates the mounting plate 108 through the speed reducer 110, and drives the clamping frame 107 to rotate together, so as to rotate the inner half shaft.

Second embodiment

Referring to fig. 3 to 6, fig. 3 is a schematic cross-sectional view of a second embodiment of an auxiliary fixture; FIG. 4 is an enlarged, fragmentary, schematic view of a second embodiment of an auxiliary clamp; FIG. 5 is a schematic axial view of a drive unit of a second embodiment of an auxiliary clamp; FIG. 6 is a cross-sectional structural view of the positioning head of a second embodiment of an auxiliary clamp.

On the basis of the first embodiment, the clamping frame 107 of the present invention includes a rotation shaft 201, a connecting seat 202, a square frame 203 and a plurality of positioning bolts 204, the connecting seat 202 is rotatably connected to the mounting plate 108 through the rotation shaft 201, the square frame 203 is rotatably connected to the connecting seat 202, and the plurality of positioning bolts 204 all penetrate through the square frame 203;

the positioning head 103 comprises a supporting head 205 provided with a positioning hole 208, a sliding sleeve 206 provided with a plurality of limiting holes 209 along the length direction, and a limiting bolt 207, wherein the supporting head 205 is arranged on the inner side of the sliding sleeve 206, the sliding sleeve 206 is connected with the mounting plate 108, and the limiting bolt 207 penetrates through the supporting head 205 and the sliding sleeve 206 through the positioning hole 208 and the limiting holes 209 respectively.

The rotating shaft 201 is used for matching the connecting seat 202, so that the connecting seat 202 can be rotatably connected with the mounting plate 108, and the inner half shaft can be conveniently mounted, the square frame 203 is matched with a plurality of positioning bolts 204, one end of the inner half shaft is placed on the square frame 203, then the positioning bolts 204 are rotated to fix one end of the inner half shaft, the positioning head 103 is abutted to one end of the inner half shaft through the abutting head 205, after the inner half shaft is mounted in the square frame 203, the relative position of the positioning head 103 and the sliding sleeve 206 is adjusted until the positioning head 103 is abutted to the inner half shaft, then the limiting bolt 207 penetrates through the positioning hole 208 and the limiting hole 209, one end of the inner half shaft is limited by the mounting seat 104, and the other end of the inner half shaft is limited by the positioning head 103, so that the axial direction of the inner half shaft is limited.

The utility model discloses an auxiliary clamp improves the structure of anchor clamps on prior art's basis, adds the axial setting element utilizes drive unit 102 will wait that the axial of the interior semi-axis of processing limits to add man-hour in the interior semi-axis of different length, can adjust drive unit 102 for the axial of interior semi-axis obtains the restriction, and then satisfies in the interior semi-axis course of working, axial restriction requirement.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. An auxiliary clamp is arranged on a working platform and is characterized in that,

including the axial setting element, the axial setting element includes butt joint end, drive unit and location head, the butt joint end sets up in one side of work platform to be connected with the one end of interior semi-axis, the drive unit sets up the other end at work platform, and with the other end butt cooperation of interior semi-axis, the location head along the axis setting of interior semi-axis, and with the flexible cooperation of drive unit.

2. An auxiliary clamp according to claim 1,

the butt joint end comprises a mounting seat, a rotating ring and a plurality of rotors, the mounting seat is arranged on the upper side of the working platform, the rotating ring is sleeved on the outer side of the mounting seat and is matched with the inner diameter of the inner half shaft, and the rotors are arranged between the rotating ring and the mounting seat.

3. An auxiliary clamp as claimed in claim 2,

drive unit includes centre gripping frame, is equipped with mounting panel and the driving motor of reduction gear, driving motor sets up on work platform, the mounting panel passes through the reduction gear with driving motor's output transmission is connected, just the centre of a circle department of mounting panel installs the location head, centre gripping frame sets up the outside of mounting panel, and with the mounting panel rotates to be connected.

4. An auxiliary clamp according to claim 3,

5. An auxiliary clamp according to claim 4,

the positioning head comprises a supporting head with a positioning hole, a sliding sleeve with a plurality of limiting holes in the length direction and a limiting bolt, the supporting head is arranged on the inner side of the sliding sleeve, the sliding sleeve is connected with the mounting plate, and the limiting bolt penetrates through the positioning hole and the limiting holes respectively to form the supporting head and the sliding sleeve.