CN212886289U - Auxiliary supporting device and machine tool fixture - Google Patents
Auxiliary supporting device and machine tool fixture Download PDFInfo
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- CN212886289U CN212886289U CN202021267686.8U CN202021267686U CN212886289U CN 212886289 U CN212886289 U CN 212886289U CN 202021267686 U CN202021267686 U CN 202021267686U CN 212886289 U CN212886289 U CN 212886289U
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Abstract
The utility model discloses an auxiliary supporting device and machine tool fixture, belong to machine tool fixture tool technical field, this auxiliary supporting device's pulling handle can drive the drive slide wedge and slide along the horizontal direction in auxiliary supporting seat's the intracavity that holds, the cooperation on drive slide wedge through first inclined plane and second inclined plane, drive slide wedge supporting component descends the minimum or rises to the support state and supports the work piece, limit handle and pulling handle crisscross setting, can avoid taking place to interfere, limit handle can be when drive slide wedge supporting component is located the minimum with the pulling handle location in the second position, avoid it to slide to the first position by the second position, when slide wedge supporting component supports, because the drive slide wedge has reverse self-locking function, therefore locking is reliable, bearing capacity is high, and this auxiliary supporting device easy operation, at the cylinder body of the different models of trial-manufacture high-power diesel engine, During cylinder cover, the universal part is used as a universal part on different machine tool fixtures, and trial-manufacturing cost is saved.
Description
Technical Field
The utility model relates to a machine tool technical field especially relates to an auxiliary stay device and machine tool fixture.
Background
In modern industrial production, products are updated and new products are frequently trial-produced. In the trial production stage, the machining center becomes the main equipment for trial production of new products. The parts need to be accurately positioned during the machining process so that the workpiece can be held and clamped in the correct position. In the trial-manufacturing stage, in order to save cost, a manual clamp is generally used for positioning and clamping. When a cylinder body and a cylinder cover of a high-power diesel engine are manufactured in a trial mode, in order to improve the cutting rigidity and the cutting stability of a machined part, one to three auxiliary supporting points are needed to be added on a positioning surface besides three fixed supporting points.
The auxiliary supporting device used in the factory at present mainly has two types, one type adopts a thread pair, as shown in fig. 1, the height of the thread pair is changed by screwing an adjusting screw 1', so that the workpiece is supported, the structure is simple, the operation is complex, time and labor are wasted, the contact degree of a supporting surface and a positioning surface needs to depend on the experience and the hand feeling of an operator, and the requirement on an operator is high. Another wedge mechanism is adopted, as shown in fig. 2, the wedge mechanism mainly comprises a floating support 2 ', a pressing pin 3', a pressing stud 4 'and a handle 5', wherein an inclined plane is arranged at the axial middle part of the floating support 2 ', and one end of the pressing pin 3' is an inclined plane. Before operation, the inclined surfaces of the floating support 2 'and the hold-down pin 3' are disengaged. When the workpiece is in operation, the workpiece overcomes the action of the spring force to enable the floating support 2 'to move downwards, and when the workpiece is positioned on the fixed positioning surface, the floating support 2' does not move any more. The pressing stud 4 ' is rotated by the operating handle 5 ' to enable the pressing pin 3 ' to do linear motion, and the inclined surface of the pressing pin 3 ' is in contact with the inclined surface of the floating support 2 ' to generate certain friction force. At this time, the floating support 2' is in a fixed working state. But the device is held tightly by the friction force of a mechanical structure, the stress of the floating support 2' in the vertical direction is not self-locked, the stress cannot be higher than a calibrated value, and once the stress is higher than the calibrated value, the wedge mechanism can be out of work.
In order to solve the technical problem, the prior art also provides a pneumatic auxiliary supporting mechanism which is reliable in locking, large in bearing pressure, convenient for adjusting the clamp and mixed flow production of various types, but because the device adopts a pneumatic mode, corresponding air source devices need to be equipped, one clamp needs to be correspondingly equipped with the same number of air source interfaces by using a plurality of auxiliary supporting devices, the processing is complicated, the cost is high, and when the clamp is loosened, the air source needs to be in a normally open state, so that the clamp is not suitable for production in a trial production stage.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide an auxiliary supporting device, this auxiliary supporting device easy operation, locking is reliable, and the bearing capacity is big, and the trial-manufacturing is with low costs.
A second object of the utility model is to provide a machine tool clamp, this machine tool clamp easy operation, locking is reliable, and the bearing capacity is big, and the trial-manufacturing is with low costs.
As the conception, the utility model adopts the technical proposal that:
an auxiliary support device comprising:
the auxiliary supporting seat is provided with an accommodating cavity;
the front end cover is connected to one end face of the auxiliary supporting seat;
the wedge supporting assembly is movably connected to the accommodating cavity along the vertical direction, a first inclined surface is arranged at the bottom of the wedge supporting assembly, and the wedge supporting assembly is configured for supporting a workpiece;
the driving inclined wedge is arranged in the accommodating cavity in a sliding mode along the horizontal direction and located below the inclined wedge supporting assembly, a second inclined plane is arranged at the top of the driving inclined wedge, and the inclination of the second inclined plane is the same as that of the first inclined plane;
the pulling handle penetrates through the driving wedge and the front end cover along the horizontal direction and can drive the driving wedge to slide, the pulling handle is provided with a first position and a second position, when the pulling handle is positioned at the first position, the wedge supporting assembly is in a supporting state, and when the pulling handle is positioned at the second position, the wedge supporting assembly is at the lowest point;
and the limiting handle is arranged on the front end cover in a sliding manner and is staggered with the pulling handle, and the limiting handle is used for positioning the pulling handle at the second position.
As a preferable technical solution of the above auxiliary supporting device, the accommodating cavity includes a vertical cavity and a horizontal cavity which are vertically communicated, the wedge supporting assembly is located in the vertical cavity, and the driving wedge is located in the horizontal cavity.
As the preferable technical scheme of the auxiliary supporting device, a first stepped through hole is formed in the vertical cavity, and the wedge supporting assembly is arranged in the first stepped through hole.
As the preferable technical scheme of the auxiliary supporting device, the auxiliary supporting device further comprises a first compression spring sleeved on the pulling handle, a second step through hole is formed in the driving wedge along the horizontal direction, a third step through hole is formed in the front end cover along the horizontal direction, one end of the first compression spring abuts against the step surface of the second step through hole, the other end of the first compression spring abuts against the step surface of the third step through hole, and the first compression spring is used for driving the driving wedge to slide to the first position from the second position.
As a preferable technical solution of the above auxiliary supporting device, a limiting groove is provided on the handle, when the limiting groove is inserted into the handle, the handle is located at the second position, and when the limiting groove is disengaged from the handle, the handle slides from the second position to the first position under the action of the first compression spring.
As a preferred technical solution of the above auxiliary supporting device, the wedge supporting assembly includes a wedge supporting block and a threaded supporting post, the wedge supporting block is slidably disposed in the first step through hole, the bottom of the wedge supporting block is provided with the first inclined plane, and the threaded supporting post is threadedly connected to the top of the wedge supporting block for supporting the workpiece.
As a preferred technical solution of the above auxiliary supporting device, the wedge supporting block includes a wedge portion and a supporting portion that are vertically connected, the bottom of the wedge portion is provided with the first inclined plane, the supporting portion is slidably disposed in the first stepped through hole, the supporting portion is provided with a threaded hole, and the threaded supporting column is in threaded connection with the threaded hole.
As a preferable technical solution of the above auxiliary supporting device, the auxiliary supporting device further includes a second compression spring sleeved on the wedge supporting block, one end of the second compression spring abuts against a step surface of the first step through hole, and the other end abuts against the wedge portion.
As a preferred technical solution of the above auxiliary supporting device, the auxiliary supporting device further includes a second limiting screw, a threaded hole is formed in the front end cover, a second limiting groove is formed in the limiting handle along the axial direction of the limiting handle, and the second limiting screw is inserted into the threaded hole and can be inserted into the second limiting groove.
The machine tool clamp comprises a clamp body, wherein the auxiliary supporting device is connected to the clamp body.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides an auxiliary supporting device, its pulling handle can drive the drive slide wedge and slide along the horizontal direction in the holding cavity of auxiliary supporting seat, the drive slide wedge passes through the cooperation of first inclined plane and second inclined plane, the drive slide wedge supporting component descends the minimum or rises to the support state and supports the work piece, spacing handle and pulling handle staggered arrangement can avoid taking place the interference, spacing handle can be when the drive slide wedge supporting component is located the minimum with the pulling handle location in the second position, avoid it to slide to the first position from the second position, when the slide wedge supporting component supports, because the drive slide wedge has reverse self-locking function, therefore locking is reliable, bearing capacity is high, and this auxiliary supporting device easy operation, when trying on the cylinder body of the different models of high-power diesel engine, the cylinder cap, use as a general piece on the lathe anchor clamps of difference, and the trial production cost is saved.
The utility model provides a machine tool clamp, including anchor clamps body and above-mentioned auxiliary stay device, this machine tool clamp easy operation, locking is reliable, and the bearing capacity is big, and the trial-manufacturing is with low costs.
Drawings
FIG. 1 is a partial cross-sectional view of a prior art auxiliary support device;
FIG. 2 is a partial cross-sectional view of another prior art auxiliary support device;
fig. 3 is a sectional view of an auxiliary supporting device according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view taken at A-A of FIG. 3;
fig. 5 is a side view of an auxiliary supporting device according to an embodiment of the present invention.
In the figure:
1', adjusting screws; 2', floating support; 3', a hold down pin; 4', a compression stud; 5', a handle;
1. an auxiliary support seat;
2. a front end cover; 21. a second limit screw;
3. a cam support assembly; 31. a tapered wedge supporting block; 32. a threaded support post; 33. a hexagonal nut; 34. a first limit screw;
4. driving the wedge;
5. pulling a handle; 51. a pull rod; 511. a limiting groove; 52. a first handle; 53. a first cylindrical pin;
6. a limiting handle; 61. a limiting rod; 62. a second handle; 63. a second cylindrical pin;
7. a first compression spring; 8. a second compression spring; 9. a rear end cap; 10. a first screw; 101. a second screw; 102. a dust ring; 103. a dust cover; 104. a circlip for the shaft; 105. an anti-rotation member; 106. and a third screw.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplicity of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The embodiment discloses an auxiliary supporting device which is mainly used for auxiliary supporting of a clamp of a large part, such as an auxiliary supporting of a cylinder body and a cylinder cover of a high-power diesel engine in a trial-manufacture stage. The support surface may be a blank surface or a machined surface. The auxiliary supporting device can be coarsely adjusted and finely adjusted, and is wide in application range. The wedge self-locking mechanism is reliable in locking and high in bearing pressure. The auxiliary supporting device can be made into a universal part, and when different cylinder bodies and cylinder covers are trial-manufactured, the auxiliary supporting device can be used on different clamps according to different supporting positions, so that the universality is high, and the trial-manufacturing cost is saved.
As shown in fig. 3 to 5, the auxiliary supporting device disclosed in this embodiment mainly includes an auxiliary supporting seat 1, a front end housing 2, a rear end housing 9, a wedge supporting assembly 3, a driving wedge 4, a pulling handle 5, and a limiting handle 6, wherein the auxiliary supporting seat 1 has an accommodating cavity, one end face of the auxiliary supporting seat 1 is connected with the rear end housing 9 through a first screw 10, and the other end face is connected with the front end housing 2 through a second screw 101. The inclined wedge supporting assembly 3 is movably connected to the accommodating cavity along the vertical direction, a first inclined plane is arranged at the bottom of the inclined wedge supporting assembly 3, and the inclined wedge supporting assembly 3 is used for supporting a workpiece; drive slide wedge 4 slides along the horizontal direction and sets up in holding the chamber and be located the below of slide wedge supporting component 3, and the top of drive slide wedge 4 is equipped with the second inclined plane, and the inclination on second inclined plane is the same with the inclination on first inclined plane, and when drive slide wedge 4 slided in holding the chamber, drive slide wedge 4 reciprocated with the cooperation drive slide wedge supporting component 3 on first inclined plane through the second inclined plane. Pulling handle 5 runs through drive slide wedge 4 and front end housing 2 setting along the horizontal direction to can drive slide wedge 4 and slide, pulling handle 5's one end stretch out drive slide wedge 4 promptly and with the terminal surface butt of drive slide wedge 4, the other end stretches out front end housing 2 and is convenient for the handheld operation of operating personnel. The wheel handle 5 has a first position and a second position, the cleat support assembly 3 being in a supporting state when the wheel handle 5 is in the first position, and the cleat support assembly 3 being at a lowest point when the wheel handle 5 is in the second position. Limiting handle 6 is slidably disposed on front end housing 2 and is staggered with pulling handle 5 to avoid interfering with pulling handle 5, and limiting handle 6 is used for positioning pulling handle 5 at the second position.
When the pulling handle 5 drives the driving wedge 4 to move from the first position to the second position, the wedge supporting component 3 moves downwards along the second inclined plane to the lowest point, and the pulling handle 5 can be positioned at the second position through the limiting handle 6; when the pulling handle 5 drives the driving wedge 4 to move from the second position to the first position, the wedge supporting component 3 moves upwards under the driving action of the second inclined plane until the wedge supporting component contacts with the positioning surface of the workpiece and stops moving upwards, at the moment, the wedge supporting component 3 bears vertical downward pressure, the pressure is transmitted to the second inclined plane contacting with the first inclined plane, the driving wedge 4 is reversely self-locked, and the auxiliary supporting function of the auxiliary supporting device is realized.
Specifically, the accommodating cavity of the auxiliary supporting seat 1 comprises a vertical cavity and a horizontal cavity which are vertically communicated, the wedge supporting assembly 3 is located in the vertical cavity, and the driving wedge 4 is located in the horizontal cavity. Further, be equipped with first step through-hole in the vertical cavity, slide wedge supporting component 3 sets up in first step through-hole.
Furthermore, a second step through hole is arranged on the driving wedge 4 along the horizontal direction, and a third step through hole is arranged on the front end cover 2 along the horizontal direction. The auxiliary supporting device further comprises a first compression spring 7 sleeved on the pulling handle 5, one end of the first compression spring 7 abuts against the step surface of the second step through hole, the other end of the first compression spring 7 abuts against the step surface of the third step through hole, and the first compression spring 7 is used for driving the driving wedge 4 to slide to the first position from the second position.
In this embodiment, the wheel handle 5 includes a pull rod 51 and a first handle 52 connected to each other, one end of the pull rod 51 extends through the driving wedge 4 and is connected to a stop plate for abutting against an end surface of the driving wedge 4, so that when the wheel handle 5 moves from the first position to the second position, the pull rod 51 can drive the driving wedge 4 to move together, the other end of the pull rod 51 is connected to the first handle 52, and the first handle 52 is located outside the auxiliary support base 1, thereby facilitating the hand-held operation of the operator. Preferably, the first handle 52 is connected to the pull rod 51 by a first cylindrical pin 53. Further preferably, the pull rod 51 is sealed with the front end cap 2 by a dust ring 102.
The limit handle 6 comprises a limit rod 61 and a second handle 62 which are connected, the limit rod 61 is connected with the front end cover 2 in a sliding mode, and the second handle 62 is connected with the limit rod 61 through a second cylindrical pin 63. In order to limit the pull handle 5 by the limit handle 6, a limit groove 511 is circumferentially formed in the pull rod 51, and when the pull handle 5 is located at the second position, the head of the limit rod 61 is inserted into the limit groove 511, so that the pull handle 5 is prevented from moving axially under the restoring force of the first compression spring 7. When the stopper rod 61 is disengaged from the stopper groove 511, the wheel handle 5 slides from the second position to the first position by the first compression spring 7. Preferably, the first handle 52 and the second handle 62 in this embodiment are both knurled handles.
In this embodiment, the wedge supporting assembly 3 includes a wedge supporting block 31 and a threaded supporting post 32, the wedge supporting block 31 is slidably disposed in the first step through hole, a first inclined plane is disposed at the bottom of the wedge supporting block 31, and the threaded supporting post 32 is threadedly connected to the top of the wedge supporting block 31 for supporting a workpiece.
Further, the longitudinal section of slide wedge supporting shoe 31 is the T type, including perpendicular slide wedge portion and the supporting part of connecting, slide wedge portion sets up its bottom along the horizontal direction and is equipped with first inclined plane, and the supporting part sets up along vertical direction, and the supporting part slides and sets up in first step through-hole, has seted up threaded hole on the supporting part, and screw support column 32 threaded connection is in the screw hole to fasten through hexagon nut 33. Under this structure, drive slide wedge 4 passes through second inclined plane and first inclined plane sliding fit, and the supporting part of slide wedge supporting shoe 31 reciprocates along vertical direction to drive screw thread support column 32 reciprocates.
Furthermore, the auxiliary supporting device further includes a second compression spring 8 sleeved on the wedge supporting block 31, one end of the second compression spring 8 abuts against the step surface of the first step through hole, and the other end abuts against the wedge portion. With this arrangement, the second compression spring 8 is able to drive the cam support member 3 to move downwardly to the lowest point as the drive cam 4 slides from the first position to the second position.
In order to prevent impurities such as dust and oil stains from entering the auxiliary supporting seat 1, the wedge supporting block 31 is provided with a dust cover 103. Specifically, the dust cover 103 is fixed to the support portion of the wedge support block 31 by a circlip 104 for a shaft, and is slidably connected to the outer wall of the auxiliary support base 1. In the up-and-down movement process of the wedge supporting assembly 3, the dust cover 103 is always kept in contact with the auxiliary supporting seat 1, thereby preventing impurities from entering the inside of the auxiliary supporting seat 1.
The auxiliary supporting device in the embodiment is provided with the threaded supporting column 32, so that coarse adjustment and fine adjustment of the supporting height of the wedge supporting assembly 3 can be realized, the application range is wide, and adjustment of a clamp and use of clamp design in various machining processes are facilitated. Alternatively, the adjustment range of the support height of the wedge support assembly 3 in this embodiment may be 0-30 mm. The coarse adjustment range is changed by changing the length of the threaded support column 32, and the fine adjustment range is changed by changing the actual lengths of the auxiliary support seat 1 and the driving wedge 4. Optionally, the fine adjustment range of the supporting height of the wedge supporting assembly 3 in this embodiment is 0-6 mm.
For improving the fine setting precision of supporting height, slide wedge supporting component 3 still includes first stop screw 34, is equipped with first spacing groove on the supporting part of slide wedge supporting shoe 31, and the lateral wall of auxiliary supporting seat 1 is equipped with the screw hole, and first stop screw 34 passes through screw hole and 1 threaded connection of auxiliary supporting seat and can insert first spacing groove. The length of the first limit screw 34 extending into the first limit groove is adjusted by screwing, so that the wedge supporting block 31 is limited.
The front end housing 2 of this embodiment is further provided with a second limit screw 21, the front end housing 2 is provided with a threaded hole, the limit handle 6 is provided with a second limit groove along the axial direction thereof, and the second limit screw 21 is arranged in the threaded hole in a penetrating manner and can be inserted into the second limit groove. The length of the second limiting screw 21 extending into the second limiting groove is adjusted by screwing, so that the limiting handle 6 is limited.
The auxiliary stay device in this embodiment still includes prevents changeing 105, prevents changeing 105 and wears to locate auxiliary support seat 1 and sets up and be connected with auxiliary support seat 1 tight fit, prevents that the tip of changeing 105 from tightly supporting the lateral wall at drive slide wedge 4, prevents that drive slide wedge 4 from taking place to rotate at the straight line slip in-process. Preferably, a strip-shaped groove may be axially opened on the side wall of the driving cam 4, and the end of the rotation preventing member 105 is placed in the strip-shaped groove. Alternatively, the rotation preventing member 105 employs a cylindrical pin.
The operation of the auxiliary supporting device in this embodiment will be briefly described with reference to fig. 3 as an example.
When the slide rail is not in a working state, an operator manually pulls the first handle 52 to pull the driving wedge 4 to the second position at the rightmost end, the first compression spring 7 is compressed, the wedge supporting assembly 3 moves downwards to the lowest point along the second inclined plane under the action of the second compression spring 8, and at the moment, the head of the limiting rod 61 is just inserted into the limiting groove 511 of the pull rod 51.
When the wedge supporting component works, firstly, the threaded supporting column 32 and the hexagon nut 33 are roughly adjusted, so that the head of the threaded supporting column 32 is lower than the workpiece positioning surface by 6mm and does not exceed the fine adjustment stroke of the wedge supporting component 3; then, the second handle 62 is pulled to separate the head of the limit rod 61 from the limit groove 511, at this time, the driving wedge 4 moves leftwards under the action of the first compression spring 7, the wedge supporting block 31 moves upwards under the action of the second inclined plane and the first inclined plane, against the action of the second compression spring 8, and simultaneously drives the threaded supporting column 32 to move upwards together until the contact with the workpiece positioning surface is stopped, and at this time, the pulling handle 5 is located at the first position. The threaded support column 32 is pressed vertically downwards, and the force is transmitted to the first inclined plane and the second inclined plane to drive the inclined wedge 4 to be reversely self-locked, so that an auxiliary support function is realized.
It should be noted that, in general, when a cylinder body and a cylinder head of a diesel engine are processed, the vertical direction of the auxiliary supporting point is also a pressing point, so that a pressing device needs to be matched around the installation position of the auxiliary supporting device, and according to the installation position of the auxiliary supporting device, in order to avoid interference with the pressing device, as shown in fig. 5, the limit handle 6 may be arranged on the left side surface or the right side surface of the front end cover 2, that is, the auxiliary supporting device has two structural forms, and when in use, one form of the auxiliary supporting device is selected according to the actual installation condition, so that the operation convenience and universality are improved.
The embodiment also provides a machine tool clamp which comprises a clamp body, wherein the clamp body is connected with the auxiliary supporting device through a third screw 106. The machine tool fixture is simple to operate, reliable in locking, high in bearing capacity and low in trial production cost.
The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An auxiliary support device, comprising:
the auxiliary supporting seat (1) is provided with an accommodating cavity;
the front end cover (2) is connected to one end face of the auxiliary supporting seat (1);
the wedge supporting assembly (3) is movably connected to the accommodating cavity along the vertical direction, a first inclined surface is arranged at the bottom of the wedge supporting assembly (3), and the wedge supporting assembly (3) is configured to be used for supporting a workpiece;
the driving inclined wedge (4) is arranged in the accommodating cavity in a sliding mode along the horizontal direction and located below the inclined wedge supporting assembly (3), a second inclined surface is arranged at the top of the driving inclined wedge (4), and the inclination of the second inclined surface is the same as that of the first inclined surface;
a pulling handle (5) which penetrates through the driving wedge (4) and the front end cover (2) along the horizontal direction and can drive the driving wedge (4) to slide, wherein the pulling handle (5) is provided with a first position and a second position, when the pulling handle (5) is positioned at the first position, the wedge supporting component (3) is in a supporting state, and when the pulling handle (5) is positioned at the second position, the wedge supporting component (3) is at the lowest point;
and the limiting handle (6) is arranged on the front end cover (2) in a sliding mode and is staggered with the pulling handle (5), and the limiting handle (6) is used for positioning the pulling handle (5) at the second position.
2. Auxiliary supporting device according to claim 1, characterized in that the receiving cavity comprises a vertical cavity and a horizontal cavity which are vertically communicated, the cam supporting assembly (3) being located in the vertical cavity and the driving cam (4) being located in the horizontal cavity.
3. Auxiliary supporting device according to claim 2, characterized in that a first stepped through hole is provided in the vertical cavity, in which first stepped through hole the cam support assembly (3) is provided.
4. The auxiliary supporting device as claimed in claim 1, further comprising a first compression spring (7) sleeved on the pulling handle (5), wherein a second step through hole is formed in the driving wedge (4) along the horizontal direction, a third step through hole is formed in the front end cover (2) along the horizontal direction, one end of the first compression spring (7) abuts against a step surface of the second step through hole, the other end of the first compression spring abuts against a step surface of the third step through hole, and the first compression spring (7) is used for driving the driving wedge (4) to slide from the second position to the first position.
5. Auxiliary supporting device according to claim 4, characterized in that the pulling handle (5) is provided with a limiting groove (511), when the limiting handle (6) is inserted into the limiting groove (511), the pulling handle (5) is in the second position, when the limiting handle (6) is disengaged from the limiting groove (511), the pulling handle (5) slides from the second position to the first position under the action of the first compression spring (7).
6. The auxiliary supporting device according to claim 3, wherein the wedge supporting assembly (3) comprises a wedge supporting block (31) and a threaded supporting column (32), the wedge supporting block (31) is slidably disposed in the first step through hole, the bottom of the wedge supporting block (31) is provided with the first inclined surface, and the threaded supporting column (32) is threadedly connected to the top of the wedge supporting block (31) for supporting the workpiece.
7. The auxiliary supporting device as claimed in claim 6, wherein the wedge supporting block (31) comprises a wedge portion and a supporting portion which are vertically connected, the first inclined plane is disposed at the bottom of the wedge portion, the supporting portion is slidably disposed in the first step through hole, a threaded hole is disposed on the supporting portion, and the threaded supporting pillar (32) is threadedly connected to the threaded hole.
8. The auxiliary supporting device as claimed in claim 7, further comprising a second compression spring (8) sleeved on the wedge supporting block (31), wherein one end of the second compression spring (8) abuts against the step surface of the first step through hole, and the other end abuts against the wedge portion.
9. The auxiliary supporting device as claimed in claim 1, further comprising a second limiting screw (21), wherein a threaded hole is formed in the front end cover (2), a second limiting groove is formed in the limiting handle (6) along an axial direction of the limiting handle, and the second limiting screw (21) is inserted into the threaded hole and can be inserted into the second limiting groove.
10. A machine tool clamp comprising a clamp body, wherein an auxiliary support device as claimed in any one of claims 1 to 9 is attached to the clamp body.
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| CN202021267686.8U CN212886289U (en) | 2020-07-01 | 2020-07-01 | Auxiliary supporting device and machine tool fixture |
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| CN202021267686.8U CN212886289U (en) | 2020-07-01 | 2020-07-01 | Auxiliary supporting device and machine tool fixture |
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| CN113579764A (en) * | 2021-07-19 | 2021-11-02 | 安徽新诺精工股份有限公司 | Auxiliary supporting mechanism of precision numerical control machine tool |
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| CN114012631A (en) * | 2021-12-03 | 2022-02-08 | 山西柴油机工业有限责任公司 | Self-adaptive positioning and aligning tool and clamping method for special-shaped shell parts |
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| CN113601861A (en) * | 2021-07-15 | 2021-11-05 | 奇瑞汽车股份有限公司 | Automobile plastic part dismounting mechanism and using method thereof |
| CN113579764A (en) * | 2021-07-19 | 2021-11-02 | 安徽新诺精工股份有限公司 | Auxiliary supporting mechanism of precision numerical control machine tool |
| CN113881936A (en) * | 2021-11-03 | 2022-01-04 | 连城凯克斯科技有限公司 | Device for adjusting height of vertical roller way in horizontal direction |
| CN114012631A (en) * | 2021-12-03 | 2022-02-08 | 山西柴油机工业有限责任公司 | Self-adaptive positioning and aligning tool and clamping method for special-shaped shell parts |
| CN114290106A (en) * | 2022-02-17 | 2022-04-08 | 付亚辉 | Stabilizing clamp for numerical control machine tool |
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