CN114310379A - A fixed frock for casing processing - Google Patents
A fixed frock for casing processing Download PDFInfo
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- CN114310379A CN114310379A CN202210230818.7A CN202210230818A CN114310379A CN 114310379 A CN114310379 A CN 114310379A CN 202210230818 A CN202210230818 A CN 202210230818A CN 114310379 A CN114310379 A CN 114310379A
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- movable clamping
- clamping jaw
- sliding column
- supporting seat
- shell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention relates to the technical field of machining clamping tools, and provides a fixing tool for shell machining, which comprises: a supporting seat; a clamping assembly having: the movable clamping jaws are arranged on the supporting seat at intervals and can be switched between a first position and a second position on the supporting seat, and the upper end of each movable clamping jaw is provided with a pressing part; the driving piece is arranged in the supporting seat and connected to the lower end of each movable clamping jaw; when the driving piece drives each movable clamping jaw to be switched to the first position from the second position, the pressing portion presses the upper surface of the shell to be machined to fix the shell on the tool. Compared with the prior art, the tool has the advantages that the pressing part is arranged at the upper end of the movable clamping jaw, the driving part drives the movable clamping jaw to switch positions, and the pressing part presses the upper end of the shell to fix the shell on the tool, so that the shell is fixed, and the hole wall of the shell cannot be crushed.
Description
Technical Field
The invention relates to the technical field of machining fixing tools, in particular to a fixing tool for machining a shell.
Background
The casing is kind comparatively common machine part, the casing appearance structure is generally accomplished earlier through the casting to the production of casing, then can't accomplish through the structure of casting completion on the casing through machining, in the course of working, the casing that the structure is comparatively complicated need use comparatively complicated fixed frock to fix on the lathe, and the casing of the through-hole of middle area regular shape adopts three-jaw chuck to fix the fixed of realizing the casing in the through-hole in the middle of the casing mostly, but traditional three-jaw chuck is mostly through supporting the fixed of realizing the casing in the middle of the casing on the lateral wall of through-hole, such operation causes the damage to the casing that the pore wall is thinner very easily, be unfavorable for the processing of casing.
Disclosure of Invention
The invention aims to solve the technical problem of providing a fixing tool for processing a shell aiming at the current situation of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a fixed frock for casing processing includes:
a supporting seat;
a clamping assembly having: the movable clamping jaws are arranged on the supporting seat at intervals and can be switched between a first position and a second position on the supporting seat, a pressing part is arranged at the upper end of each movable clamping jaw, each movable clamping jaw is L-shaped, and the pressing part is formed by cutting off the wall thickness of the upper part of each movable clamping jaw; the driving piece is arranged in the supporting seat and connected to the lower end of each movable clamping jaw, and the driving piece is used for driving the movable clamping jaws to switch between the first position and the second position;
when the driving piece drives each movable clamping jaw to move to the first position, the upper end of each movable clamping jaw is away from each other, and the pressing part presses the upper surface of the shell to be processed;
when the driving piece drives each movable clamping jaw to move to the second position, the upper end of each movable clamping jaw is close to each other, and the pressing portion is separated from and contacted with the upper surface of the shell to be processed.
In the above-mentioned fixed frock for casing processing, the driving piece includes:
the outer sliding column is arranged in the supporting seat in a sliding mode, a sliding space is formed in the outer sliding column, and a first hinge hole is formed in the outer sliding column;
the inner sliding column is arranged in the sliding space in a sliding mode, a second hinge hole is formed in the side wall of the inner sliding column, a third hinge hole and a fourth hinge hole are adjacently arranged on the lower portion of the movable clamping jaw along the radial direction of the inner sliding column, the first hinge hole is connected with the third hinge hole through a first rotating shaft, and the second hinge hole is connected with the fourth hinge hole through a second rotating shaft;
the spring is sleeved on the outer side of the movable clamping jaw, and the lower end of the spring abuts against the upper end of the inner sliding column;
the lower limiting block is detachably connected to the bottom end of the outer sliding column, a limiting groove is formed between the lower limiting block and the sliding space, a limiting portion is arranged at the lower end of the inner sliding column, the height of the limiting groove is larger than the thickness of the limiting portion, the upper top wall of the limiting groove is movably abutted to the upper end face of the limiting portion, and the lower end face of the limiting portion is movably abutted to the upper end face of the lower limiting block.
At foretell a fixed frock for casing processing, interior traveller with outer traveller upper portion all is equipped with continuous guide way, the lower extreme activity of activity clamping jaw set up in the guide way, just first hinge hole with the second hinge hole all set up in on the lateral wall of guide way.
In the fixing tool for processing the shell, an adjusting groove is formed in the outer side wall of the outer sliding column along the height direction of the outer sliding column, an adjusting bolt penetrating through the side wall of the supporting seat is arranged on the supporting seat, and the end part of the adjusting bolt abuts against the inside of the adjusting groove.
At foretell a fixed frock for casing processing, the lower extreme of spacing piece is down followed the axis direction downwardly extending of spacing piece forms the installation department down, installation department lateral wall detachable is connected with the thread bush, the thread bush is used for connecting the lathe.
At foretell a fixed frock for casing processing, be equipped with on the supporting seat:
fixing a sleeve;
the limiting sleeve is arranged in the fixed sleeve, and the outer side wall of the movable clamping jaw is movably abutted to the inner side wall of the limiting sleeve;
the limiting block is detachably arranged in the limiting sleeve, notches with the same number as the movable clamping jaws are formed in the limiting block, the width of each notch is larger than the thickness of each movable clamping jaw, and the upper portions of the movable clamping jaws are movably inserted in the notches.
In the fixing tool for processing the shell, the locking bolt penetrating through the wall thickness of the supporting seat is arranged at the upper part of the supporting seat, and the locking bolt is in threaded connection with the fixing sleeve.
At foretell a fixed frock for casing processing, the supporting seat upper surface still is equipped with:
the positioning seats are used for positioning the shell to be processed;
and the error-proof block is arranged on the side of the clamping component.
Compared with the prior art, the tool has the advantages that the pressing part is arranged at the upper end of the movable clamping jaw, the driving part drives the movable clamping jaw to switch the position, the pressing part presses the upper end of the shell to fix the shell on the tool, so that the hole wall of the shell is not pressed while the shell is fixed, the structure of the shell is not damaged, the position of the sliding clamping jaw is switched by using the outer sliding column, the inner sliding column, the spring, the first rotating shaft and the second rotating shaft, the structure is simpler, and the manufacturing cost is lower.
Drawings
FIG. 1 is a perspective view of a fixture for housing machining according to the present invention;
FIG. 2 is a plan view of the movable jaw in a first position;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a plan view of the movable jaw in a second position;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;
FIG. 6 is a perspective view of a portion of the clamp assembly;
FIG. 7 is an exploded view of FIG. 6;
FIG. 8 is a perspective view of the adjusting bolt abutting the outer slide post;
FIG. 9 is an exploded view of a portion of the support base;
in the figure, 100, a support base; 110. adjusting the bolt; 120. fixing a sleeve; 130. a limiting sleeve; 140. a limiting block; 141. a notch; 150. locking the bolt; 160. positioning seats; 170. an error-proofing block; 200. a clamping assembly; 210. a movable clamping jaw; 211. a pressing part; 212. a third hinge hole; 213. a fourth hinge hole; 214. an evacuation section; 220. an outer strut; 221. a sliding space; 222. a first hinge hole; 223. an adjustment groove; 224. a limiting groove; 230. an inner strut; 231. a second hinge hole; 232. a guide groove; 233. a limiting part; 240. a spring; 250. a first rotating shaft; 260. a second rotating shaft; 270. a lower limiting block; 271. an installation part; 280. a threaded sleeve; 300. a housing.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 6, the fixing tool for housing processing according to the present invention includes: a support base 100; a clamping assembly 200, the clamping assembly 200 having: the movable clamping jaws 210 are arranged on the supporting seat 100 at intervals and can be switched between a first position and a second position on the supporting seat 100, and the upper end of each movable clamping jaw 210 is provided with a pressing part 211; the driving piece is arranged in the supporting seat 100 and connected to the lower end of each movable clamping jaw 210, and the driving piece is used for driving the movable clamping jaws 210 to switch between a first position and a second position; when the driving member drives each movable clamping jaw 210 to move to the first position, the upper ends of each movable clamping jaw 210 are away from each other and the pressing part 211 presses the upper surface of the housing 300 to be processed; when the driving member drives each movable clamping jaw 210 to move to the second position, the upper ends of each movable clamping jaw 210 approach each other and the pressing portion 211 is separated from contact with the upper surface of the housing 300 to be processed.
The supporting seat 100 is used for placing a shell 300 to be processed, in an initial state, as shown in fig. 5, the movable clamping jaws 210 are located at a second position, at this time, the upper ends of the movable clamping jaws 210 are close to each other, the maximum distance between the outer side walls of the movable clamping jaws 210 is smaller than the inner diameter of the through hole in the middle of the shell 300, when the tool works, the shell 300 is placed on the upper surface of the supporting seat 100, the upper ends of the movable clamping jaws 210 penetrate through the through hole in the middle of the shell 300, then the driving member drives the lower ends of the movable clamping jaws 210 to move, so as to drive the movable clamping jaws 210 to move to the first position shown in fig. 3, at this time, the upper ends of the movable clamping jaws 210 are far away from each other, and the pressing portions 211 press the upper surface of the shell 300, compared with the prior art that the movable clamping jaws 210 are clamped on the hole wall of the inner hole of the shell 300, the pressing portions 211 are arranged at the upper ends of the movable clamping jaws 210, and then the driving member drives the movable clamping jaws 210 to switch positions, the pressing part 211 is pressed on the upper end of the shell 300 to fix the shell 300 on the tool, so that the shell 300 is fixed, the hole wall of the shell 300 is not damaged by pressing, and the structure of the shell 300 is not damaged. After the housing 300 is machined, the driving member drives the lower end of the movable clamping jaw 210 to move to the second position shown in fig. 5, at this time, since the pressing portion 211 is separated from and contacts with the upper surface of the housing 300, and the upper portions of the movable clamping jaws 210 are close to each other, the maximum distance between the outer side walls of the upper ends of the movable clamping jaws 210 is smaller than the diameter of the through hole in the middle of the housing 300, and the housing 300 can be easily taken out of the tooling at this time.
In this embodiment, the number of the movable clamping jaws 210 is three, when the pressing portion 211 presses the housing 300, the three movable clamping jaws 210 form a stable triangular structure on the housing 300, so that the housing 300 and the tool are fixed more tightly, and when the housing 300 is large and the diameter of the through hole in the middle of the housing 300 is large, the number of the movable clamping jaws 210 can be changed to four, five, six or more.
As shown in fig. 6 and 7, each movable jaw 210 has an L-shape, and the pressing portion 211 is formed by cutting off the wall thickness of the upper portion of the movable jaw 210.
The L-shaped movable clamping jaw 210 can save the manufacturing cost of the movable clamping jaw 210, and the internal space of the supporting seat 100 can be fully utilized, so that the movable clamping jaw 210 is prevented from being interfered by other structures in the supporting seat 100 when in a switching state, the pressing part 211 can be formed after the wall thickness of the upper part of the movable clamping jaw 210 is cut off, and the space avoiding part 214 can be formed at the position where the wall thickness of the movable clamping jaw 210 is cut off, when the size of the shell 300 is different, and the diameter of the middle through hole of the shell 300 has larger deviation, the space avoiding part 214 can well prevent the side wall of the movable clamping jaw 210 from being extruded on the side wall of the middle through hole of the shell 300, so that the movable clamping jaw 210 is prevented from damaging the shell 300 to the greatest extent.
As shown in fig. 3 to 7, the driving member includes: the outer sliding column 220 is arranged in the supporting seat 100 in a sliding manner, a sliding space 221 is arranged in the outer sliding column 220, and a first hinge hole 222 is formed in the outer sliding column 220; the inner sliding column 230 is slidably arranged in the sliding space 221, a second hinge hole 231 is formed in the side wall of the inner sliding column 230, a third hinge hole 212 and a fourth hinge hole 213 are adjacently arranged at the lower part of the movable clamping jaw 210 along the radial direction of the inner sliding column 230, the first hinge hole 222 and the third hinge hole 212 are connected through a first rotating shaft 250, and the second hinge hole 231 and the fourth hinge hole 213 are connected through a second rotating shaft 260; a spring 240, which is sleeved outside the movable clamping jaw 210, and the lower end of the spring 240 abuts against the upper end of the inner sliding column 230; lower spacing block 270, its threaded connection forms spacing groove 224 between spacing block 270 and the sliding space 221 in the bottom of outer traveller 220, and the lower extreme of interior traveller 230 is equipped with spacing portion 233, and the height of spacing groove 224 will be greater than the thickness of spacing portion 233, and the activity of the last roof of spacing groove 224 and the up end of spacing portion 233 supports and leans on, and the activity of the lower terminal surface of spacing portion 233 and the up end of lower spacing block 270 supports and leans on.
When the sliding device works, as shown in fig. 3, at this time, the pressing portion 211 presses on the upper surface of the housing 300, the housing 300 is in a fixed state, the lower limiting block 270 drives the outer sliding column 220 to move upward along the vertical direction shown in the figure, because the thickness of the limiting portion 233 is smaller than the height of the limiting groove 224, when the outer sliding column 220 moves, the inner sliding column 230 does not move under the action of the spring 240 and the existence of the gap between the lower end surface of the limiting portion 233 and the lower limiting block 270, and in the process that the outer sliding column 220 moves without moving the inner sliding column 230, the outer sliding column 220 pushes the third hinge hole 212 through the first rotating shaft 250, and pushes the movable clamping jaw 210 to rotate around the second rotating shaft 260 in the axial direction close to the inner sliding column 230, when the upper ends of the movable clamping jaw 210 rotate to be attached together, the lower end of the inner sliding column 230 is attached to the upper end surface of the lower limiting block 270, and at this time, the outer sliding column 220 drives the inner sliding column 230 to move upward along the direction shown in the figure 230, when the outer sliding column 220 and the inner sliding column 230 move upward together, the movable clamping jaw 210 is driven to move upward together to the position shown in fig. 5, at this time, the pressing portion 211 is separated from the shell 300, and the shell 300 can be taken out of the fixing tool.
After the above actions are completed and a next shell 300 needs to be processed, the shell 300 is placed on the supporting seat 100, then the lower limit block 270 drives the outer sliding column 220 to move downwards in the direction shown in fig. 5, before the outer sliding column 220 moves, because the spring 240 is in a compressed state, the lower end surface of the inner sliding column 230 can be made to be attached to the upper end surface of the lower limit block 270, at this time, a gap is formed between the upper end of the limit portion 233 and the upper top wall of the limit groove 224, because of the gap and the existence of the spring 240, when the lower limit block 270 drives the outer sliding column 220 to move downwards, the outer sliding column 220 moves downwards and the inner sliding column 230 does not move, at this time, the outer sliding column 220 pulls the third hinge hole 212 through the first rotating shaft 250 to pull the movable clamping jaw 210 to rotate around the second rotating shaft 260 in the axial direction far away from the inner sliding column 230, at this time, the upper ends of the movable clamping jaws 210 rotate away from each other, when the top wall of the limit groove 224 is attached to the upper end surface of the limit portion 233, the movable clamping jaw 210 does not rotate any more, the outer sliding column 220 starts to drive the inner sliding column 230 to move downwards together, the outer sliding column 220 and the inner sliding column 230 drive the movable clamping jaw 210 to move downwards to the state shown in fig. 3 when moving, and at the moment, the pressing part 211 presses the upper surface of the shell 300 to fix the shell 300 on the tool.
As shown in fig. 6, the upper portions of the inner sliding column 230 and the outer sliding column 220 are respectively provided with a guide slot 232, the lower end of the movable clamping jaw 210 is movably disposed in the guide slot 232, and the first hinge hole 222 and the second hinge hole 231 are both disposed on the side wall of the guide slot 232.
The upper parts of the inner sliding column 230 and the outer sliding column 220 are respectively provided with a connected guide groove 232, so that the positions among the movable clamping jaw 210, the outer sliding column 220 and the inner sliding column 230 cannot be mistakenly installed, and the guide grooves 232 can ensure that the rotating direction of the movable clamping jaw 210 does not deviate when the movable clamping jaw 210 rotates, so that the moving correctness of the movable clamping jaw 210 is ensured.
As shown in fig. 8, an adjusting groove 223 is formed on the outer sidewall of the outer strut 220 along the height direction of the outer strut 220, an adjusting bolt 110 penetrating the sidewall of the support base 100 is provided on the support base 100, and the end of the adjusting bolt 110 abuts against the adjusting groove 223.
The adjusting bolt 110 and the adjusting groove 223 can play a guiding role when the outer sliding column 220 moves, so that the moving direction of the outer sliding column 220 in the supporting seat 100 is always in a vertical state as shown in fig. 3, because if the outer sliding column 220 rotates in the supporting seat 100, the pressing part 211 is driven to rotate on the upper surface of the shell 300 to scratch the surface of the shell 300, and the adjusting bolt 110 can also adjust the dynamic balance of the whole fixing tool in the radial direction of the supporting seat 100 by adjusting the position of the outer sliding column 220 in the supporting seat 100.
As shown in fig. 3, the lower end of the lower limiting block 270 extends downward along the axial direction of the lower limiting block 270 to form a mounting portion 271, the mounting portion 271 and the lower limiting block 270 may be integrally formed, and may be connected together in a welding manner, or may be connected together in a threaded connection manner or in an interference fit manner between hole shafts, a threaded sleeve 280 is detachably connected to the outer side wall of the mounting portion 271, the connection manner between the threaded sleeve 280 and the mounting portion 271 may also be realized in a threaded manner or a welding manner, and the threaded sleeve 280 is used for being connected to a machine tool, and the machine tool drives the threaded sleeve 280 to move so as to realize the up-and-down movement of the outer slide column 220.
As shown in fig. 5 and 9, the supporting seat 100 is provided with: a fixing sleeve 120; the limiting sleeve 130 is arranged in the fixed sleeve 120, and the outer side wall of the movable clamping jaw 210 is movably abutted against the inner side wall of the limiting sleeve 130; the limiting block 140 is detachably arranged in the limiting sleeve 130, notches 141 with the same number as the movable clamping jaws 210 are formed in the limiting block 140, the width of each notch 141 is larger than the thickness of each movable clamping jaw 210, and the upper portions of the movable clamping jaws 210 are movably inserted into the notches 141.
The fixing sleeve 120 is supported at the lower end of the housing 300 and fixes the housing 300 on the tool together with the movable clamping jaw 210, the fixing sleeve 120 can also play a role of fixing the limiting sleeve 130 and the limiting block 140, the notch 141 arranged on the limiting block 140 and the limiting sleeve 130 limit the rotation angle of the movable clamping jaw 210 together, namely when the movable clamping jaw 210 rotates to the position shown in fig. 3, the side wall of the movable clamping jaw 210 abuts against the inner side wall of the limiting sleeve 130, and the movable clamping jaw 210 is prevented from continuing to rotate towards the axial direction far away from the outer sliding column 220 to crush the housing 300; when the movable clamping jaw 210 rotates to the position shown in fig. 5, the side wall of the movable clamping jaw 210 abuts against the side wall of the notch 141, so that the upper end of the movable clamping jaw 210 is prevented from being deformed due to too large abutting force between the upper ends of the movable clamping jaw 210.
As shown in fig. 9, the upper portion of the supporting base 100 is provided with a locking bolt 150 penetrating the wall thickness of the supporting base 100, and the locking bolt 150 is screwed to the fixing sleeve 120.
The locking bolt can facilitate the fixing of the fixing sleeve 120 on the supporting seat 100, and can also adjust the position of the fixing sleeve 120 on the supporting seat 100 by adjusting the depth of the locking bolt 150 in the supporting seat 100, so as to achieve the effect of adjusting the dynamic balance of the fixing tool in the radial direction of the supporting seat 100.
As shown in fig. 1 and fig. 2, the upper surface of the supporting seat 100 is further provided with: the positioning seats 160 are used for positioning the shell 300 to be processed; the error-proofing block 170, which is disposed at the side of the clamping assembly 200, can prevent the risk of the striker due to the error in the position of the housing 300 by the error-proofing block 170.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the described embodiments may be made by those skilled in the art without departing from the scope and spirit of the invention as defined by the accompanying claims.
Claims (8)
1. The utility model provides a fixed frock for casing processing which characterized in that includes:
a supporting seat;
a clamping assembly having: the movable clamping jaws are arranged on the supporting seat at intervals and can be switched between a first position and a second position on the supporting seat, a pressing part is arranged at the upper end of each movable clamping jaw, each movable clamping jaw is L-shaped, and the pressing part is formed by cutting off the wall thickness of the upper part of each movable clamping jaw; the driving piece is arranged in the supporting seat and connected to the lower end of each movable clamping jaw, and the driving piece is used for driving the movable clamping jaws to switch between the first position and the second position;
when the driving piece drives each movable clamping jaw to move to the first position, the upper end of each movable clamping jaw is away from each other, and the pressing part presses the upper surface of the shell to be processed;
when the driving piece drives each movable clamping jaw to move to the second position, the upper end of each movable clamping jaw is close to each other, and the pressing portion is separated from and contacted with the upper surface of the shell to be processed.
2. The fixing tool for machining the shell according to claim 1, wherein the driving piece comprises:
the outer sliding column is arranged in the supporting seat in a sliding mode, a sliding space is formed in the outer sliding column, and a first hinge hole is formed in the outer sliding column;
the inner sliding column is arranged in the sliding space in a sliding mode, a second hinge hole is formed in the side wall of the inner sliding column, a third hinge hole and a fourth hinge hole are adjacently arranged on the lower portion of the movable clamping jaw along the radial direction of the inner sliding column, the first hinge hole is connected with the third hinge hole through a first rotating shaft, and the second hinge hole is connected with the fourth hinge hole through a second rotating shaft;
the spring is sleeved on the outer side of the movable clamping jaw, and the lower end of the spring abuts against the upper end of the inner sliding column;
the lower limiting block is detachably connected to the bottom end of the outer sliding column, a limiting groove is formed between the lower limiting block and the sliding space, a limiting portion is arranged at the lower end of the inner sliding column, the height of the limiting groove is larger than the thickness of the limiting portion, the upper top wall of the limiting groove is movably abutted to the upper end face of the limiting portion, and the lower end face of the limiting portion is movably abutted to the upper end face of the lower limiting block.
3. The fixed tool for machining the shell according to claim 2, wherein the upper portions of the inner sliding column and the outer sliding column are provided with connected guide grooves, the lower ends of the movable clamping jaws are movably arranged in the guide grooves, and the first hinge holes and the second hinge holes are arranged on the side walls of the guide grooves.
4. The fixing tool for processing the shell according to claim 2, wherein an adjusting groove is formed in an outer side wall of the outer sliding column along a height direction of the outer sliding column, an adjusting bolt penetrating through a side wall of the supporting seat is arranged on the supporting seat, and an end of the adjusting bolt abuts against the adjusting groove.
5. The fixing tool for machining the shell according to claim 2, wherein the lower end of the lower limiting block extends downwards along the axis direction of the lower limiting block to form a mounting portion, a threaded sleeve is detachably connected to the outer side wall of the mounting portion, and the threaded sleeve is used for being connected with a machine tool.
6. The fixing tool for machining the shell according to claim 1, wherein the supporting seat is provided with:
fixing a sleeve;
the limiting sleeve is arranged in the fixed sleeve, and the outer side wall of the movable clamping jaw is movably abutted to the inner side wall of the limiting sleeve;
the limiting block is detachably arranged in the limiting sleeve, notches with the same number as the movable clamping jaws are formed in the limiting block, the width of each notch is larger than the thickness of each movable clamping jaw, and the upper portions of the movable clamping jaws are movably inserted in the notches.
7. The fixing tool for processing the shell according to claim 6, wherein a locking bolt penetrating through the wall thickness of the supporting seat is arranged at the upper part of the supporting seat, and the locking bolt is in threaded connection with the fixing sleeve.
8. The fixing tool for machining the shell according to claim 1, wherein the upper surface of the supporting seat is further provided with:
the positioning seats are used for positioning the shell to be processed;
and the error-proof block is arranged on the side of the clamping component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210230818.7A CN114310379B (en) | 2022-03-10 | 2022-03-10 | A fixed frock for casing processing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210230818.7A CN114310379B (en) | 2022-03-10 | 2022-03-10 | A fixed frock for casing processing |
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| CN114310379A true CN114310379A (en) | 2022-04-12 |
| CN114310379B CN114310379B (en) | 2022-06-07 |
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| CN114012476A (en) * | 2022-01-07 | 2022-02-08 | 宁波旭升汽车技术股份有限公司 | Be used for new energy automobile motor housing handstand formula rotary fixture |
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| CN114012467A (en) * | 2022-01-06 | 2022-02-08 | 宁波旭升汽车技术股份有限公司 | A anchor clamps for processing new energy automobile motor housing inner wall |
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