CN209664882U - Fixture is used in a kind of machining - Google Patents
Fixture is used in a kind of machining Download PDFInfo
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- CN209664882U CN209664882U CN201920494997.9U CN201920494997U CN209664882U CN 209664882 U CN209664882 U CN 209664882U CN 201920494997 U CN201920494997 U CN 201920494997U CN 209664882 U CN209664882 U CN 209664882U
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- locating piece
- screw rod
- positioning
- hole
- clamping platform
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Abstract
The utility model discloses a kind of machining fixtures, including mounting assembly, positioning component and two locking assemblies, the mounting assembly is a U-bracket structure, and the positioning component quantity is two, and two positioning components are symmetrically disposed on two sides at the top of the mounting assembly.Beneficial effect is: the utility model to four axis of cross axle while carrying out positioning support by two positioning components and two supporting blocks, positioning and locking is carried out to the vertical process of cross axle by locking assembly, it is processed convenient for the axial stomidium to cross axle, clamping is more stable, practical.
Description
Technical field
The utility model relates to machine processing fields, and in particular to fixture is used in a kind of machining.
Background technique
Fixture, which refers to, to be used to fix processing object during machine-building, is allowed to occupy correct position, to receive to apply
Work or the device of detection, fixture generally require to be manufactured and designed according to product construction feature, working condition and actual needs.Cross axle
It is the parts for realizing the transmitting of varied angle power, is the ten thousand of a variety of drive systems for needing the position of change transmission axis direction
To transmission device, fixture is the essential tool during cross shaft key groove and axial end hole machined.
Applicants have discovered that at least there is following technical problem in the prior art: existing cross axle fixture is only in four axis
Two opposite axis are fixed, and adjacent between centers lacks fixation member, lead to axial location difficulty in process, easily produce in processing
Raw to shake, Working position deviates, and so as to cause unilateral looseness is generated after cross axle installation, influences workpiece processing quality.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of machining fixture, this is practical
Preferred technical solution includes while being supported positioning to four axis of cross axle in many technical solutions of novel offer, increases
Shaft key groove process stability vertically fixes cross axle, axial direction stomidium easy to process, practical, elaboration as detailed below.
To achieve the above object, the utility model provides following technical scheme:
A kind of machining fixture, including mounting assembly, positioning component and two locking groups provided by the utility model
Part, the mounting assembly are a U-bracket structure, and the positioning component quantity is two, and two positioning components are symmetrical
It is set to two sides at the top of the mounting assembly；
The mounting assembly includes a rectangle clamping platform and two side plates, and two side plates are respectively in the clamping platform bottom
Portion two sides, and clamping platform center vertical perforation is provided with a through-hole；
The positioning component includes locating piece and screw knob, and the locating piece is fixedly connected with the clamping platform, described
A positioning hole is provided on locating piece, the location hole length direction is parallel with the clamping platform length direction, the location hole
Section-top is rectangle, and the location hole section-bottom is semicircle, and the screw knob runs through at the top of the locating piece, and
The screw knob bottom end extends to the positioning hole, and the screw knob is threadedly engaged with the locating piece, and the spiral shell
Line knob bottom end is fixed with compact heap；
Front and rear sides are symmetrical arranged there are two supporting block in the middle part of the clamping countertop, and the supporting block top surface is arc knot
Structure, and the arcuate structure minimum point and the location hole minimum point are in same level.
Using a kind of above-mentioned machining fixture, in use, by the opposite axis in cross axle two of them position
It is correspondingly arranged in two positioning components, the opposite axis in cross axle two other position is correspondingly arranged in two supporting blocks
On, four axis of cross axle are supported by two positioning components and two supporting blocks, rotate the screw knob, from
And position of the screw knob on the locating piece is adjusted, drive the compact heap to move down, by the compact heap pressure
Tightly in the cross axle top surface that needs clamp, so that the opposite axis in cross axle two of them position is pressed in positioning by compact heap
In hole, the opposite axis in cross axle two other position is supported by two supporting blocks, and the machining for completing cross axle clamps
Process.
Preferably, the locking assembly includes guide pad, jacking block and screw rod, the guide pad is set to the locating piece
Inside, and the screw rod level runs through the guide pad and the locating piece, the guide pad and the locating piece with it is described
Screw flight cooperation, the screw rod is provided with jacking block close to described through-hole one end, and the screw rod other end is provided with turntable.
Preferably, the screw rod and the jacking block joint are provided with bearing, the screw rod and the bearing inner race mistake
It is full of cooperation, the jacking block and the bearing outer ring are interference fitted.
Preferably, the turntable and the screw rod are potassium steel material, and by being welded and fixed.
Preferably, the arc surfaced structure on the inside of the jacking block to be bonded the inner side wall of through hole.
Preferably, the screw knob includes stud and rotating circular disc, it is uniformly arranged on the rotating circular disc excircle
There is a plurality of non-slip groove.
Preferably, the positive and negative two sides of side plate bottom are provided with mounting blocks, vertically communicated setting on the mounting blocks
There is installation bolt.
Beneficial effect is: the utility model by two positioning components and two supporting blocks to four axis of cross axle simultaneously
Carry out positioning support, it is ensured that cross axle setting accuracy on work, and increase shaft key groove process stability, pass through locking assembly pair
The vertical process of cross axle carries out positioning and locking, processes convenient for the axial stomidium to cross axle, and clamping is more stable, real
It is strong with property.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic view of the front view of the utility model；
Fig. 2 is the main view of internal structure of the utility model；
Fig. 3 is the overlooking structure diagram of the utility model；
Fig. 4 is the left view structural representation of the utility model.
The reference numerals are as follows:
1, mounting assembly；101, side plate；102, clamping platform；103, through-hole；2, positioning component；201, locating piece；202, fixed
Position hole；203, screw knob；204, compact heap；3, supporting block；4, locking assembly；401, guide pad；402, jacking block；403, spiral shell
Bar；404, turntable.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Shown in referring to figures 1-4, the utility model provides a kind of machining fixture, including mounting assembly 1, positioning
Component 2 and two locking assemblies 4, mounting assembly 1 are a U-bracket structure, and 2 quantity of positioning component is two, and two positioning
Component 2 is symmetrically disposed on 1 top two sides of mounting assembly, and mounting assembly 1 is to support positioning component 2 and locking assembly 4, locking group
Part 4 is to cooperate positioning component 2 to be clamped cross axle；
Mounting assembly 1 includes a rectangle clamping platform 102 and two side plates 101, and side plate 101 is to support clamping platform 102, and two
A side plate 101 is respectively in 102 two sides of the bottom of clamping platform, and the perforation of 102 center vertical of clamping platform is provided with a through-hole 103, through-hole
103 to cross axle is vertically arranged when, by cross axle, wherein axis runs through the through-hole 103, convenient for erecting to cross axle
To fixation；
Positioning component 2 includes locating piece 201 and screw knob 203, and locating piece 201 is fixedly connected with clamping platform 102, is positioned
A positioning hole 202 is provided on block 201, locating piece 201 is to support screw knob 203,202 length direction of location hole and clamping
102 length direction of platform is parallel, and for location hole 202 to carry out positioning support to cross axle, 202 section-top of location hole is rectangle,
And 202 section-bottom of location hole is semicircle, sets semicircle for 202 bottom of location hole, convenient for increasing cross axle and positioning
The fitting tightness in hole 202, to improve cross axle clip stability, screw knob 203 is at the top of locating piece 201, and spiral shell
203 bottom end of line knob extends in location hole 202, and screw knob 203 is threadedly engaged with locating piece 201, and 203 bottom of screw knob
End is fixed with compact heap 204, screw knob 203 to drive compact heap 204 to push, thus by compact heap 204 to cross axle into
Row positioning compression；
Front and rear sides are symmetrical arranged there are two supporting block 3 in the middle part of 102 top surface of clamping platform, and supporting block 3 is determined to cooperate two
Hyte part 2, to be supported simultaneously to four axis of cross axle, 3 top surface of supporting block is arcuate structure, and the arcuate structure is minimum
Point is in same level with 202 minimum point of location hole.
As optional embodiment, locking assembly 4 includes guide pad 401, jacking block 402 and screw rod 403, guide pad 401
It is set to 201 inside of locating piece, and 403 level of screw rod runs through guide pad 401 and locating piece 201, guide pad 401 and locating piece
201 are threadedly engaged with screw rod 403, and screw rod 403 is provided with jacking block 402 close to 103 one end of through-hole, and 403 other end of screw rod is set
It is equipped with turntable 404, screw rod 403 and 402 joint of jacking block are provided with bearing, and screw rod 403 and bearing inner race are interference fitted, jacking block
402 are interference fitted with bearing outer ring, and turntable 404 and screw rod 403 are potassium steel material, and by being welded and fixed, in jacking block 402
Side is the arc surfaced structure for being bonded 103 inner sidewall of through-hole, so set, when carrying out axial end tap operation to cross axle, it need to
It wants the shaft end of aperture to place up, and by an axis receiving through-hole 103 for needing opening axis opposite side, adjusts turntable 404, from
And driving screw rod 403 to rotate by turntable 404, screw rod 403 drives jacking block under the support of locating piece 201 and guide pad 401
402 is mobile to close 103 direction of through-hole, to be pressed an axis in cross axle receiving through-hole 103 by jacking block 402
Tightly, it will be locked with orthogonal two axis of opening axis are needed by two positioning components 2, to complete the cross of axial end aperture
The vertical clamping process of axis；
Screw knob 203 includes stud and rotating circular disc, is evenly arranged with a plurality of non-slip groove on rotating circular disc excircle, such as
This setting, by being uniformly arranged a plurality of non-slip groove on rotating circular disc excircle, when being conducive to raising personnel operation rotating circular disc
Frictional force, consequently facilitating by screw knob 203 adjust compact heap 204 crush pad；
The positive and negative two sides in 101 bottom of side plate are provided with mounting blocks, vertically communicated on mounting blocks to be provided with installation bolt, so
Setting, by being respectively provided with mounting blocks in the positive and negative two sides in 101 bottom of side plate, and on mounting blocks, bolt is installed in vertically communicated setting, just
In equipment is fixed on using area by the installation bolt on mounting blocks, increase clamp structure stability.
Using the above structure, in use, the opposite axis in cross axle two of them position is correspondingly arranged in two
In positioning component 2, the opposite axis in cross axle two other position is correspondingly arranged in two supporting blocks 3, is positioned by two
Component 2 and two supporting blocks 3 are supported four axis of cross axle, screw knob 203 are rotated, so as to adjust screw knob 203
Position on locating piece 201 drives compact heap 204 to move down, and compact heap 204 is pressed in the cross axle top for needing to clamp
Face, so that the opposite axis in cross axle two of them position is pressed in location hole 202 by compact heap 204, cross axle is in addition
The opposite axis in two positions is supported by two supporting blocks 3, completes the machining clamping process of cross axle；
Positioning support is carried out simultaneously to four axis of cross axle by two positioning components 2 and two supporting blocks 3, it is ensured that cross
Axis setting accuracy on work, and increase cross shaft key groove process stability, it is vertically processed to cross axle by locking assembly 4
Cheng Jinhang positioning and locking is processed convenient for the axial stomidium to cross axle, and clamping is more stable, practical.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (7)
1. a kind of machining fixture, it is characterised in that: including mounting assembly (1), positioning component (2) and two locking assemblies
(4), the mounting assembly (1) is a U-bracket structure, and positioning component (2) quantity is two, and two positioning groups
Part (2) is symmetrically disposed on two sides at the top of the mounting assembly (1)；
The mounting assembly (1) includes a rectangle clamping platform (102) and two side plates (101), two side plate (101) point column
In the clamping platform (102) two sides of the bottom, and the perforation of the clamping platform (102) center vertical is provided with a through-hole (103)；
The positioning component (2) includes locating piece (201) and screw knob (203), the locating piece (201) and the clamping platform
(102) be fixedly connected, be provided with a positioning hole (202) on the locating piece (201), location hole (202) length direction with
Clamping platform (102) length direction is parallel, and location hole (202) section-top is rectangle, and the location hole (202) is cut
Face bottom is semicircle, and the screw knob (203) is at the top of the locating piece (201), and the screw knob (203) bottom
End extends in the location hole (202), and the screw knob (203) is threadedly engaged with the locating piece (201), and the spiral shell
Line knob (203) bottom end is fixed with compact heap (204)；
Clamping platform (102) top surface middle part front and rear sides are arranged symmetrically, and there are two supporting block (3), supporting block (3) top surfaces
For arcuate structure, and the arcuate structure minimum point and the location hole (202) minimum point are in same level.
2. a kind of machining fixture according to claim 1, it is characterised in that: the locking assembly (4) includes guiding
Block (401), jacking block (402) and screw rod (403), the guide pad (401) are set on the inside of the locating piece (201), and described
Screw rod (403) is horizontal to run through the guide pad (401) and the locating piece (201), the guide pad (401) and the locating piece
(201) it is threadedly engaged with the screw rod (403), the screw rod (403) is provided with jacking block close to the through-hole (103) one end
(402), and the screw rod (403) other end is provided with turntable (404).
3. a kind of machining fixture according to claim 2, it is characterised in that: the screw rod (403) and the jacking block
(402) joint is provided with bearing, and the screw rod (403) and the bearing inner race are interference fitted, the jacking block (402) with it is described
Bearing outer ring interference fit.
4. a kind of machining fixture according to claim 2, it is characterised in that: the turntable (404) and the screw rod
It (403) is potassium steel material, and by being welded and fixed.
5. a kind of machining fixture according to claim 2, it is characterised in that: be fitting on the inside of the jacking block (402)
The arc surfaced structure of through-hole (103) inner sidewall.
6. a kind of machining fixture according to claim 1, it is characterised in that: the screw knob (203) includes spiral shell
Column and rotating circular disc are evenly arranged with a plurality of non-slip groove on the rotating circular disc excircle.
7. a kind of machining fixture according to claim 1, it is characterised in that: side plate (101) bottom positive and negative two
Side is provided with mounting blocks, vertically communicated on the mounting blocks to be provided with installation bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920494997.9U CN209664882U (en) | 2019-04-12 | 2019-04-12 | Fixture is used in a kind of machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920494997.9U CN209664882U (en) | 2019-04-12 | 2019-04-12 | Fixture is used in a kind of machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209664882U true CN209664882U (en) | 2019-11-22 |
Family
ID=68574047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920494997.9U Active CN209664882U (en) | 2019-04-12 | 2019-04-12 | Fixture is used in a kind of machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209664882U (en) |
-
2019
- 2019-04-12 CN CN201920494997.9U patent/CN209664882U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201028 Address after: 402160 Chongqing City Qingfeng town of Yongchuan District of small village group of villagers arch dam arch bridge Patentee after: Chongqing Shanjiao Machinery Co.,Ltd. Address before: 402160 double bamboo town, Yongchuan District, Chongqing, China Patentee before: CHONGQING University OF ARTS AND SCIENCES |