CN220029379U - Fixing tool for milling bottom of traction supporting leg of automobile - Google Patents
Fixing tool for milling bottom of traction supporting leg of automobile Download PDFInfo
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- CN220029379U CN220029379U CN202321066981.0U CN202321066981U CN220029379U CN 220029379 U CN220029379 U CN 220029379U CN 202321066981 U CN202321066981 U CN 202321066981U CN 220029379 U CN220029379 U CN 220029379U
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- pressing block
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- supporting leg
- shaped groove
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 74
- 238000003801 milling Methods 0.000 title claims abstract description 19
- 238000003825 pressing Methods 0.000 claims abstract description 72
- 230000000694 effects Effects 0.000 claims abstract description 5
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000003754 machining Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
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Abstract
The utility model discloses a milling and fixing tool for the bottom of an automobile traction supporting leg, which comprises a body, wherein the body is provided with a middle arc top, two fixing parts respectively positioned at two sides of the arc top, and a central hole coaxially arranged with the arc top, the tool comprises two groups of end face abutting components which are opposite to each other and are used for abutting against the end faces of the fixing parts, V-shaped supporting seats positioned at the middle positions of the two groups of end face abutting components, and middle fixing components arranged corresponding to the V-shaped supporting seats; the V-shaped supporting seat is provided with a V-shaped groove with an upward notch, the middle fixing component comprises a middle vertical seat and a pressing block, the middle vertical seat is opposite to one end of the V-shaped groove, the pressing block is arranged above the V-shaped groove, and a pressing block driving mechanism for driving the pressing block to lift is arranged on the middle vertical seat. The supporting legs are fixed in a mode of abutting the end faces and pressing the middle parts, the fixing positions are reasonably selected, the force application direction is skillfully converted, the effect of improving positioning and fixing reliability is achieved, and the processing efficiency and quality are improved.
Description
Technical Field
The utility model belongs to the field of automobile part machining equipment, and particularly relates to a milling and fixing tool for the bottoms of traction supporting legs of automobiles.
Background
The triangular supporting leg is one of important parts of a traction system for a vehicle, the machining process mainly involves cutting of a center hole and milling of a bottom mounting surface, the machining of the bottom mounting surface is often carried out after the machining of the center hole is carried out in the machining process, when the machining of the bottom mounting surface is carried out, the bottom surface of the supporting leg is often required to be upward for convenient operation and observation, the traditional fixing method is to directly hold fixing parts at the top and two ends of an arc, the applicant finds that the fixture is easy to cause local deformation to influence the quality of a product in the actual operation process, and on the other hand, because the workpiece is mainly subjected to tangential force in the length direction in the machining process, if the clamping mode is adopted, the workpiece is easy to deviate, and therefore the machining quality and efficiency are influenced, and therefore the fixing fixture for the machining of the bottom of the supporting leg is needed.
Disclosure of Invention
In view of the above, the utility model provides a milling fixture for the bottom of a traction supporting leg of an automobile, which aims at solving the problems that in the prior art, the clamping and fixing reliability of the existing fixture is relatively low when the bottom of a blank bracket is processed, and the processing quality or the processing efficiency of the bracket is affected.
The technical scheme is as follows:
fixed frock is milled to car traction supporting leg bottom, the supporting leg includes the body, and this body has middle arc top to and two fixed parts that are located this arc top symmetry both sides respectively, have on the body with the coaxial centre bore that sets up in arc top, its key lies in: the tool comprises two groups of end face abutting assemblies which are opposite to each other and used for abutting against the end face of the fixing part, V-shaped supporting seats positioned in the middle of the two groups of end face abutting assemblies, and middle fixing assemblies arranged corresponding to the V-shaped supporting seats;
the V-shaped supporting seat is provided with a V-shaped groove with an upward notch, the middle fixing component comprises a middle vertical seat and a pressing block, the middle vertical seat is arranged at one end of the V-shaped groove, the pressing block is positioned above the V-shaped groove, when the bottom of the supporting leg is upward placed on the tool, the arc top of the supporting leg is positioned in the V-shaped groove, the pressing block is positioned in the central hole, and the pressing block driving mechanism is arranged on the middle vertical seat and used for driving the pressing block to lift so as to enable the pressing block to be far away from or close to the side wall of the central hole.
By adopting the scheme, during processing, the bottom of the supporting leg is upwards arranged on the V-shaped supporting seat, the arc top of the supporting leg is positioned in the V-shaped groove, the inside of the supporting leg is downwards pressed through the pressing block, the middle part of the supporting leg is fixed, the two ends of the supporting leg are directly abutted against the fixing parts at the two ends of the supporting leg through the end face abutting component, so that the damage of the clamping on the shape is avoided, the condition that the supporting leg is stressed to slide left and right is reduced or avoided, the positioning reliability is improved, and the processing quality and the processing efficiency are improved.
As preferable: the middle vertical seat is provided with a sleeve which extends over against the central hole, the pressing block is supported in the sleeve through an elastic piece, and the sleeve is provided with a window for the pressing block to go up and down;
the briquetting actuating mechanism includes cylinder A, and this cylinder A's piston rod is towards the sleeve, and is connected with the push pedal on this piston rod, the push pedal tip have with briquetting upper end mutually supporting direction inclined plane, work as cylinder A's piston rod moves towards the centre bore and makes, the push pedal can force through direction inclined plane the briquetting is gone up and down perpendicularly until with being located the centre bore lateral wall of V-arrangement inslot supporting leg offset, work as cylinder A's piston rod in-process that resets, the briquetting returns to in the sleeve under the elastic component effect.
By adopting the scheme, the horizontal action of the air rod piston is converted into the vertical descending action of the pressing block by utilizing the guide inclined plane, so that the occupation of the upper space is avoided, the movement of the milling cutter head and the like are facilitated, and the structure is ingenious and the implementation is convenient.
As preferable: the elastic piece is a tension spring, the tension spring is arranged in parallel along the lifting direction of the pressing block, and two ends of the tension spring are respectively connected with the pressing block and the sleeve. The tension spring is adopted as the elastic piece, so that the service life is long.
As preferable: the elastic piece is an elastic band, a ring groove is formed in the position, opposite to the middle of the pressing block, of the sleeve, the elastic band is sleeved in the ring groove, and a clamping groove corresponding to the ring groove is formed in the lower end of the pressing block. By adopting the scheme, the elastic band is directly sleeved in the annular groove, and has better disassembly and assembly convenience compared with the tension spring.
As preferable: the lower end of the pressing block is conical. By adopting the scheme, the contact area between the support leg and the center hole of the support leg can be reduced, and the support leg has better force application and neutrality.
As preferable: the middle part of the V-shaped groove is hollow, and when the bottom of the supporting leg is upwards arranged on the tool, the two axial ends of the arc top of the supporting leg are contacted with the two ends of the V-shaped groove. With the adoption of the scheme, the wall thickness of the two ends of the arc top is relatively thicker, so that the arc top can bear larger pressure effect without deformation.
As preferable: the end face abutting assembly comprises an end part vertical seat, a swing arm rotatably mounted on the end part vertical seat, and a cylinder B used for driving the swing arm to swing, wherein the upper end of the swing arm is provided with a pressing plate corresponding to the fixing part, and the cylinder B can drive the swing arm to swing so as to press the end face of the fixing part. By adopting the scheme, the cylinder B supports the fixed part tightly by utilizing the rotatable swing arm, so that the pressure plate convenient to replace and the force application angle of the fixed part are contacted, and a better supporting effect is achieved.
As preferable: the end part vertical seat is provided with a notch for installing the swing arm, the swing arm is rotatably supported in the notch through an installation shaft, the installation shaft is axially parallel to the V-shaped groove, and a piston rod of the air cylinder B is hinged to the lower end of the swing arm.
As preferable: one side of the pressing plate, which is close to the V-shaped supporting seat, is wedge-shaped, the side face is obliquely arranged relative to the end face of the fixing part, and the upper edge of the side face is closer to the V-shaped supporting seat relative to the lower edge of the side face.
By adopting the scheme, when the pressing plate is in contact with the end face of the fixing part for applying force, the pressing plate has downward pressure besides horizontal abutting force, and meanwhile, the swing arm has a tendency of rotating towards the end face, so that the downward pressure borne by the supporting leg is further increased, and the fixing reliability of the pressing plate is greatly improved.
As preferable: the surface of one side of the pressing plate, which is close to the V-shaped supporting seat, is comb-shaped. By adopting the scheme, the friction force between the pressing plate and the end face of the fixing part can be increased.
Compared with the prior art, the utility model has the beneficial effects that:
the bottom milling and fixing tool for the automobile traction supporting leg provided by the utility model has the advantages that the supporting leg is fixed in a mode of abutting the end face and compacting the middle part, the fixing position is reasonably selected, the force application direction is skillfully switched, the purpose of improving the positioning and fixing reliability is achieved, meanwhile, the damage to the surface of the supporting leg is reduced, and the deformation is prevented.
Drawings
FIG. 1 is a schematic diagram of the present utility model;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken at B-B in FIG. 2;
FIG. 5 is a schematic view of the underside structure of the sleeve;
FIG. 6 is a schematic diagram of a swing arm mechanism;
FIG. 7 is a schematic view of the present utility model in use;
FIG. 8 is a schematic view of a support leg structure;
fig. 9 is an isometric view of fig. 8.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Referring to fig. 8 and 9, the support leg in the traction system of the automobile according to the present utility model includes a body 1 having a shape of an isosceles triangle, as shown in the drawing, a middle vertex of the body 1 is arc-shaped to form an arc top 10, the arc top is used for machining a center hole 12, two ends of the body 1 have a fixing portion 11 which extends horizontally and is flush theoretically, a mounting plane 13 is provided at the bottom of the body 1, and a hollow hole is provided at the bottom of the body 1.
Referring to fig. 1 to 7 again, the milling fixture for the bottom of the traction supporting leg of the automobile mainly comprises two groups of end face abutting assemblies 2 which are opposite to each other and used for abutting against the end face of the fixing part 11, a V-shaped supporting seat 3 positioned in the middle of the two groups of end face abutting assemblies 2, and a middle fixing assembly 4 arranged corresponding to the V-shaped supporting seat 3.
The V-shaped supporting seat 3 has a V-shaped groove 30 with an upward notch, the middle fixing component 4 includes a middle standing seat 40 opposite to one end of the V-shaped groove 30 and a pressing block 41 located above the V-shaped groove 30, when the bottom of the supporting leg is placed on the tool upward, the arc top 10 is located in the V-shaped groove 30, the arc outer surface of the arc top is tangent to the inner side wall of the V-shaped groove 30, the pressing block 41 is located in the central hole 12 at the moment, and a pressing block driving mechanism for driving the pressing block 41 to lift is arranged on the middle standing seat 40 so as to be far away from or close to the side wall of the central hole 12.
As shown in the figure, the middle vertical seat 40 is provided with a sleeve 42 extending over against the central hole 12, the pressing block 41 is supported in the sleeve 42 through an elastic piece, the sleeve 42 is provided with a window 420 for the pressing block 41 to go up and down, the window 420 is positioned in the middle of the sleeve 42 to ensure the pressure centering, the section of the pressing block 41 in the embodiment is rectangular, the section of the corresponding window 420 is also rectangular, the two sections are in clearance fit, and the central line of the window 420 is opposite to the axis of the V-shaped groove 30 up and down.
The pressing block driving mechanism comprises a cylinder A43, a piston rod of the cylinder A43 faces the sleeve 42, a pushing plate 44 is connected to the piston rod, a sliding channel which is matched with the pushing plate 44 is arranged in the sleeve 42, the sliding channel limits the pushing plate 44 to slide back and forth but not move up and down, a guide inclined surface which is matched with the upper end of the pressing block 41 is arranged at the front end of the pushing plate 44, with important reference to fig. 4, a downward guide inclined surface is arranged at the lower side of the front end of the pushing plate 44, the upper end of the pressing block 41 is a guide inclined surface which is matched with the upper end of the pressing block and faces upward, so that when the piston rod of the cylinder A43 moves towards the center hole 12, the pushing plate 44 can force the pressing block 41 to vertically lift up and down until the side wall of the center hole 12 of a supporting leg in the V-shaped groove 30 is propped against the pressing block 41 through the guide inclined surface, and when the piston rod of the cylinder A43 returns to the inside the sleeve 42 under the action of an elastic piece.
In particular, the elastic member may be preferably a tension spring, where two ends of the tension spring are connected with the pressing block 41 and the sleeve 42 respectively, and the tension spring may be directly sleeved on the pressing block 41, and the lower end of the tension spring abuts against the bottom wall of the sliding channel, and the upper end of the tension spring is fixed on the pressing block 41.
In addition, the elastic member may be preferably an elastic band, the sleeve 42 has a ring groove 421 at a position opposite to the middle of the pressing block 41, the elastic band is sleeved in the ring groove 421, and the lower end of the pressing block 41 has a clamping groove 410 corresponding to the ring groove 421, so that when the pressing block 41 is pushed out, the elastic band is just positioned in the clamping groove 410, and does not prevent the pressing block 41 from contacting with the inner wall of the central hole 12.
The lower end of the pressing block 41 in this embodiment has a substantially vertical cross section in a tapered shape. In addition, the middle part of the V-shaped groove 30 is hollow, and when the bottom of the supporting leg is upwards arranged on the tool, the two axial ends of the arc top 10 of the supporting leg are contacted with the two ends of the V-shaped groove 30.
As shown in the drawings, the end surface tightening assembly 2 of the present utility model mainly includes an end stand 20, a swing arm 21 rotatably mounted on the end stand 20, and a cylinder B22 for driving the swing arm 21 to swing, wherein the upper end of the swing arm 21 has a pressing plate 23 disposed corresponding to the fixing portion 11, and the cylinder B22 can drive the swing arm 21 to swing to press the end surface of the fixing portion 11.
In specific implementation, the end vertical seat 20 is provided with a notch 200 for installing the swing arm 21, the top and the inner side and the outer side of the notch 200 are both open, the swing arm 21 is rotatably installed in the notch 200 through the installation shaft 24, the axial direction of the installation shaft 24 is parallel to the axial direction of the V-shaped groove 30, the piston rod of the cylinder B22 is hinged with the lower end of the swing arm 21, so that when the piston rod of the cylinder B22 is pulled backwards, the upper end of the swing arm 21 rotates towards one side where the V-shaped supporting seat 3 is located, and conversely, when the piston rod of the piston rod is pushed forwards, the upper end of the swing arm 21 rotates towards one side far away from the V-shaped supporting seat 3.
On this basis, the side of the pressing plate 23 near the V-shaped supporting seat 3 is wedge-shaped, that is, as shown in fig. 3, the side is inclined relative to the end face of the fixing portion 11, and the upper edge is closer to the V-shaped supporting seat 3 than the lower edge, so that a downward component force can be provided in the pressing process, the pressing effect is greatly improved together with the pressing block 41, and of course, in order to further reduce the contact with the supporting leg surface, at least two supporting columns 25 are provided at the top of the end stand 20, and the tops of the supporting columns 25 are pointed.
In order to increase the contact friction between the pressing plate 23 and the end surface of the fixing portion 11 and prevent the sliding in the width direction, the surface of the pressing plate 23, which is close to the V-shaped support base 3, is comb-shaped in this embodiment.
In addition, in order to facilitate the whole moving or assembling of the tool, the end face abutting component 2, the V-shaped supporting seat 3 and the middle fixing component 4 are uniformly arranged on the base 5.
Referring to the tooling for milling and fixing the bottom of the traction supporting leg of the automobile shown in fig. 1 to 7, in an initial state, a piston rod of a cylinder A43 is in a retracted state, a piston rod of a cylinder B22 is in an extended state, the bottom of the supporting leg is upwards placed on a V-shaped supporting seat 3, a sleeve 42 is just inserted into a central hole 12, an arc top 10 of the sleeve is positioned in a V-shaped groove 30, two end fixing parts 11 are supported on a supporting column 25, then the cylinder A43 is started to enable a pressing block 41 to downwards extend for preliminary downward compression, then the piston rod of the cylinder B22 is started to retract, and the end face of the fixing part 11 is compressed through a pressing plate 23, so that effective fixing of the supporting leg to be processed is completed.
Finally, it should be noted that the above description is only a preferred embodiment of the present utility model, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (10)
1. Fixed frock is milled to car traction supporting leg bottom, the supporting leg includes body (1), and this body (1) has middle arc top (10) to and two fixed part (11) that are located this arc top (10) symmetry both sides respectively, have on body (1) with arc top (10) coaxial centre bore (12) that set up, its characterized in that: the tool comprises two groups of end face abutting assemblies (2) which are opposite to each other and used for abutting the end faces of the fixing parts (11), V-shaped supporting seats (3) positioned at the middle positions of the two groups of end face abutting assemblies (2), and middle fixing assemblies (4) which are arranged corresponding to the V-shaped supporting seats (3);
the V-shaped supporting seat (3) is provided with a V-shaped groove (30) with an upward notch, the middle fixing component (4) comprises a middle vertical seat (40) which is just opposite to one end of the V-shaped groove (30) and a pressing block (41) which is arranged above the V-shaped groove (30), when the bottom of the supporting leg is upward arranged on a tool, the arc top (10) of the supporting leg is positioned in the V-shaped groove (30), the pressing block (41) is positioned in the central hole (12), and a pressing block driving mechanism which is used for driving the pressing block (41) to lift so as to enable the pressing block to be far away from or close to the side wall of the central hole (12) is arranged on the middle vertical seat (40).
2. The automobile traction support leg bottom milling fixture of claim 1, wherein: the middle standing seat (40) is provided with a sleeve (42) which extends over against the central hole (12), the pressing block (41) is supported in the sleeve (42) through an elastic piece, and the sleeve (42) is provided with a window (420) for the pressing block (41) to lift;
the briquetting actuating mechanism includes cylinder A (43), and the piston rod of this cylinder A (43) is towards sleeve (42), and is connected with push pedal (44) on this piston rod, push pedal (44) tip have with the direction inclined plane of briquetting (41) upper end mutually supporting, when the piston rod of cylinder A (43) moves towards centre bore (12) and makes, push pedal (44) can force through the direction inclined plane briquetting (41) vertical lift until with be located centre bore (12) lateral wall of supporting leg in V-arrangement groove (30) offset, when the piston rod of cylinder A (43) resets in-process, briquetting (41) are returned in sleeve (42) under the elastic component effect.
3. The automotive traction support leg bottom milling fixture of claim 2, wherein: the elastic piece is a tension spring, the tension spring is arranged in parallel along the lifting direction of the pressing block (41), and two ends of the tension spring are respectively connected with the pressing block (41) and the sleeve (42).
4. The automotive traction support leg bottom milling fixture of claim 2, wherein: the elastic piece is an elastic band, a ring groove (421) is formed in the sleeve (42) opposite to the middle of the pressing block (41), the elastic band is sleeved in the ring groove (421), and a clamping groove (410) corresponding to the ring groove (421) is formed in the lower end of the pressing block (41).
5. The automotive traction support leg bottom milling fixture of any one of claims 1 to 4, wherein: the lower end of the pressing block (41) is conical.
6. The automotive traction support leg bottom milling fixture according to any one of claims 1 to 4, wherein: the middle part of the V-shaped groove (30) is hollow, and when the bottom of the supporting leg is upwards arranged on the tool, the two axial ends of the arc top (10) of the supporting leg are contacted with the two ends of the V-shaped groove (30).
7. The automobile traction support leg bottom milling fixture of claim 1, wherein: the end face abutting assembly (2) comprises an end vertical seat (20), a swing arm (21) rotatably mounted on the end vertical seat (20), and a cylinder B (22) for driving the swing arm (21) to swing, wherein a pressing plate (23) corresponding to the fixing part (11) is arranged at the upper end of the swing arm (21), and the cylinder B (22) can drive the swing arm (21) to swing so as to press the end face of the fixing part (11).
8. The automobile traction support leg bottom milling fixture of claim 7, wherein: the end vertical seat (20) is provided with a notch (200) for installing the swing arm (21), the swing arm (21) is rotatably supported in the notch (200) through an installation shaft (24), the installation shaft (24) is axially parallel to the V-shaped groove (30), and a piston rod of the cylinder B (22) is hinged to the lower end of the swing arm (21).
9. The automotive traction support leg bottom milling fixture of claim 7 or 8, wherein: one side of the pressing plate (23) close to the V-shaped supporting seat (3) is wedge-shaped, the side face is obliquely arranged relative to the end face of the fixing part (11), and the upper edge of the side face is closer to the V-shaped supporting seat (3) relative to the lower edge of the side face.
10. The automotive traction support leg bottom milling fixture of claim 7 or 8, wherein: the surface of one side of the pressing plate (23) close to the V-shaped supporting seat (3) is comb-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321066981.0U CN220029379U (en) | 2023-04-28 | 2023-04-28 | Fixing tool for milling bottom of traction supporting leg of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321066981.0U CN220029379U (en) | 2023-04-28 | 2023-04-28 | Fixing tool for milling bottom of traction supporting leg of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220029379U true CN220029379U (en) | 2023-11-17 |
Family
ID=88743097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321066981.0U Active CN220029379U (en) | 2023-04-28 | 2023-04-28 | Fixing tool for milling bottom of traction supporting leg of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220029379U (en) |
-
2023
- 2023-04-28 CN CN202321066981.0U patent/CN220029379U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Milling and fixing fixture for the bottom of the car traction support leg Granted publication date: 20231117 Pledgee: Danjiangkou Sub branch of Postal Savings Bank of China Co.,Ltd. Pledgor: SHIYAN GAOMING PRECISION MACHINERY CO.,LTD. Registration number: Y2024980030400 |