CN112192470A

CN112192470A - Flexible tool

Info

Publication number: CN112192470A
Application number: CN202011085768.5A
Authority: CN
Inventors: 徐文好; 刘芳
Original assignee: Royal Automotive Equipment Industry Kunshan Co ltd
Current assignee: Royal Automotive Equipment Industry Kunshan Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-01-08

Abstract

The invention belongs to the technical field of automobile design and manufacture, and discloses a flexible tool which comprises an upper clamping assembly, a lower clamping assembly and adjusting mechanisms, wherein the upper clamping assembly and the lower clamping assembly are used for clamping workpieces, each adjusting mechanism comprises a height adjusting assembly and a horizontal adjusting assembly arranged on the height adjusting assembly, the height adjusting assemblies are used for adjusting the horizontal adjusting assemblies to move in the Z-axis direction, the adjusting mechanisms are divided into two groups, the upper clamping assemblies are rotatably arranged on one group of horizontal adjusting assemblies, the lower clamping assemblies are rotatably arranged on the other group of horizontal adjusting assemblies, and the horizontal adjusting assemblies are used for adjusting the upper clamping assemblies and the lower clamping assemblies to move in the X-axis direction. The flexible tool can position workpieces with different thicknesses through the height adjusting assembly and position workpieces with different widths through the horizontal adjusting assembly, so that the workpieces can be stably clamped between the upper clamping assembly and the lower clamping assembly.

Description

Flexible tool

Technical Field

The invention relates to the technical field of automobile design and manufacture, in particular to a flexible tool.

Background

In the design and development process of automobile parts, automobile tooling trial-manufactured parts appear in the second half. Generally, the tooling design is started before the machining data is frozen, and this situation brings a lot of design change work. Because the locating surface of frock needs to design according to the locating surface of automobile parts, after the frock design is made, in case the locating surface data of automobile parts takes place the design change, the locating surface of corresponding frock will need redesign processing, and the cost increases in a large number, and is consuming time hard. In addition, when the tool positioning surface structure is machined or assembled with errors, the tool positioning surface structure is often required to be adjusted. The existing positioning device adopting a fixed structure is difficult to realize the accuracy and flexibility of adjustment and can not meet the design requirement.

Disclosure of Invention

One object of the present invention is: the flexible work can be realized, the positioning of workpieces with different sizes can be realized, and the cost is reduced.

In order to achieve the purpose, the invention adopts the following technical scheme:

a flexible tooling comprising:

the upper clamping assembly is used for pressing the top of the workpiece;

the lower clamping assembly is used for pressing the bottom of the workpiece;

the adjusting mechanism comprises a height adjusting assembly and a horizontal adjusting assembly arranged on the height adjusting assembly, the height adjusting assembly is used for adjusting the movement of the horizontal adjusting assembly in the Z-axis direction, the adjusting mechanism is two groups, the upper clamping assembly is rotationally arranged on one group of the horizontal adjusting assembly, the lower clamping assembly is rotationally arranged on the other group of the horizontal adjusting assembly, and the horizontal adjusting assembly is used for adjusting the upper clamping assembly and the lower clamping assembly to move in the X-axis direction.

As an optional technical solution, the height adjusting assembly includes a first sleeve, a second sleeve sleeved in the first sleeve, and a first handle disposed on the first sleeve, the first handle is provided with a first gear, the second sleeve is provided with a first rack, the first gear is engaged with the first rack, and the first handle can drive the second sleeve to move in the Z-axis direction through the first gear and the first rack.

As an optional technical scheme, a first groove portion is formed in the side wall of the first sleeve, connecting bosses are respectively arranged on two sides of the first groove portion, and the connecting bosses are connected through bolts.

As an optional technical solution, the height adjustment assembly further includes a third sleeve, the third sleeve is rotatably disposed on the second sleeve, the third sleeve includes a first plate and a second plate, the horizontal adjustment assembly is disposed between the first plate and the second plate in a penetrating manner, and the first plate and the second plate are used for clamping the horizontal adjustment assembly.

As an optional technical solution, the horizontal adjustment assembly includes a fourth sleeve and a second rack disposed in the fourth sleeve, a second handle is disposed on the third sleeve, a second gear is disposed on the second handle, the second gear is engaged with the second rack, and the second handle can drive the upper clamping assembly or the lower clamping assembly to move in the X-axis direction through the second gear and the second rack.

As an optional technical solution, the horizontal adjustment assembly further includes a first connecting piece and a second connecting piece rotatably connected to one end of the first connecting piece, the first connecting piece is inserted into the fourth sleeve, and the second connecting piece can rotate around the first connecting piece on the Y-Z plane.

As an optional technical solution, the horizontal adjustment assembly further includes a third connecting member, the second connecting member is connected to the third connecting member through a bolt, a central axis of the bolt is perpendicular to the X-Z plane, the bolt is used for adjusting the rotation of the third connecting member on the X-Z plane, and the upper clamping assembly or the lower clamping assembly is fixedly disposed on the third connecting member.

As an optional technical solution, the upper clamping assembly includes a vertical plate connected to the horizontal adjustment assembly, a pressing arm, and a first positioning member disposed on the pressing arm, the pressing arm is connected to the vertical plate through a hinge, and the first positioning member is used for abutting against the top of the workpiece.

As an optional technical solution, the upper clamping assembly further includes a limiting block, the limiting block is clamped between the vertical plate and the pressing arm, and the limiting block is used for limiting the movement of the pressing arm in the X-axis direction.

As an optional technical solution, the lower clamping assembly includes a connecting plate connected to the horizontal adjustment assembly, a transfer block disposed on the connecting plate, and a second positioning member disposed on the transfer block, and the second positioning member is used for abutting against the bottom of the workpiece.

The invention has the beneficial effects that:

according to the flexible tool, when workpieces with different thicknesses need to be positioned, one or two groups of height adjusting assemblies are adjusted, and the two groups of horizontal adjusting assemblies move in the Z-axis direction, so that the relative distance between the upper clamping assembly and the lower clamping assembly in the Z-axis direction can adapt to the thickness of the workpieces, and the workpieces are stably clamped between the upper clamping assembly and the lower clamping assembly. When workpieces with different widths need to be positioned, one group of horizontal adjusting assemblies or two groups of horizontal adjusting assemblies are adjusted, so that the relative distance between the upper clamping assembly and the lower clamping assembly in the X-axis direction can adapt to the width of the workpieces, and the workpieces are stably clamped between the upper clamping assembly and the lower clamping assembly.

Drawings

The invention is explained in more detail below with reference to the figures and examples.

Fig. 1 is a schematic structural diagram of a first viewing angle of a flexible tool according to a first embodiment;

FIG. 2 is an enlarged view of a portion of the portion A shown in FIG. 1;

FIG. 3 is an enlarged view of a portion of the location B shown in FIG. 1;

FIG. 4 is an enlarged view of a portion of the portion C shown in FIG. 1;

FIG. 5 is a cross-sectional view of one of the sets of adjustment mechanisms and the upper clamp assembly according to the first embodiment;

FIG. 6 is a cross-sectional view of another set of adjustment mechanisms and a lower clamp assembly according to the first embodiment.

In fig. 1 to 6:

1. an upper clamping assembly; 11. a vertical plate; 12. pressing the arm; 13. a first positioning member; 14. an articulation member; 15. a limiting block; 16. a third handle;

2. a lower clamping assembly; 21. a connecting plate; 22. a transfer block; 23. a second positioning member;

3. an adjustment mechanism; 31. a height adjustment assembly; 311. a first sleeve; 3111. a first groove portion; 3112. connecting the bosses; 312. a second sleeve; 313. a first handle; 314. a first gear; 315. a first rack; 316. a third sleeve; 3161. a first plate; 3162. a second plate; 317. a second handle; 318. a second gear; 32. a level adjustment assembly; 321. a fourth sleeve; 322. a second rack; 323. a first connecting member; 324. a second connecting member; 325. and a third connecting member.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

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, removably 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. 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.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

The first embodiment is as follows:

as shown in fig. 1, the present embodiment provides a flexible tool, including an upper clamping assembly 1, a lower clamping assembly 2 and an adjusting mechanism 3, the adjusting mechanism 3 includes a height adjusting assembly 31 and a horizontal adjusting assembly 32 disposed on the height adjusting assembly 31, the height adjusting assembly 31 is used to adjust the movement of the horizontal adjusting assembly 32 in the Z-axis direction, the adjusting mechanism 3 is two sets, the upper clamping assembly 1 is rotatably disposed on one set of the horizontal adjusting assembly 32, the lower clamping assembly 2 is rotatably disposed on the other set of the horizontal adjusting assembly 32, and the horizontal adjusting assembly 32 is used to adjust the movement of the upper clamping assembly 1 and the lower clamping assembly 2 in the X-axis direction.

When the work piece of different thickness in needs location, adjust one of them group of height adjusting part 31 or two sets of height adjusting part 31 and all adjust, two sets of horizontal adjustment subassembly 32 move on Z axle direction for go up clamping unit 1 and clamping unit 2 relative distance in Z axle direction can adapt to the thickness of work piece down, and the flexible frock of this embodiment can press from both sides the work piece of the different thickness of location, and application scope is wide.

When the work piece of different width in needs location, adjust one of them group horizontal adjustment subassembly 32 or two sets of horizontal adjustment subassembly 32 and all adjust for the relative distance of going up clamping component 1 and lower clamping component 2 in the X axle direction can adapt to the width of work piece, and the flexible frock of this embodiment can press from both sides the work piece of the different width of location, and application scope is wide.

As shown in fig. 2, in the present embodiment, the height adjusting assembly 31 includes a first sleeve 311, a second sleeve 312 sleeved in the first sleeve 311, and a first handle 313 disposed on the first sleeve 311, a first gear 314 is disposed on the first handle 313, a first rack 315 is disposed on the second sleeve 312, the first gear 314 is engaged with the first rack 315, and the first handle 313 can drive the second sleeve 312 to move in the Z-axis direction through the first gear 314 and the first rack 315. Specifically, the first handle 313 is rotated, the first gear 314 rotates along with the first handle 313, the first gear 314 is meshed with the first rack 315, the first rack 315 is lifted or lowered, the second sleeve 312 is connected with the first rack 315, and the second sleeve 312 is lifted or lowered along with the first rack 315, so that the upper clamping assembly 1 or the lower clamping assembly 2 can be adjusted to move in the Z-axis direction, and the adjustment precision is accurate, fast and convenient.

In order to avoid that the gravity of the workpiece, the horizontal adjustment assembly 32 and the second sleeve 312 is completely concentrated on the meshing teeth of the first gear 314 and the meshing teeth of the first rack 315 when the workpiece is in a stationary state, causing large wear, it is necessary to fix the second sleeve 312 when the movement of the upper clamp assembly 1 or the lower clamp assembly 2 in the Z-axis direction is not adjusted. In this embodiment, a first groove portion 3111 is opened on a side wall of the first sleeve 311, two connection bosses 3112 are respectively disposed on two sides of the first groove portion 3111, and the two connection bosses 3112 are connected by bolts. By bolting the two connection bosses 3112, the first sleeve 311 can clamp the second sleeve 312, preventing the second sleeve 312 from sliding off due to gravity.

As shown in fig. 3, in this embodiment, the height adjustment assembly 31 further includes a third sleeve 316, the third sleeve 316 is rotatably disposed on the second sleeve 312, the third sleeve 316 includes a first plate 3161 and a second plate 3162, the horizontal adjustment assembly 32 is disposed between the first plate 3161 and the second plate 3162 in a penetrating manner, the first plate 3161 and the second plate 3162 can clamp the horizontal adjustment assembly 32, thereby preventing the horizontal adjustment assembly 32 from being tilted to cause uncontrollable positioning accuracy of the workpiece, when the horizontal adjustment assembly 32 needs to be replaced, the first plate 3161 and the second plate 3162 are loosened, and the replacement efficiency is high.

In the present embodiment, the horizontal adjustment assembly 32 includes a fourth sleeve 321 and a second rack 322 disposed in the fourth sleeve 321, a second handle 317 is disposed on the third sleeve 316, a second gear 318 is disposed on the second handle 317, the second gear 318 is engaged with the second rack 322, and the second handle 317 can drive the upper clamping assembly 1 or the lower clamping assembly 2 to move in the X-axis direction through the second gear 318 and the second rack 322. The fourth sleeve 321 is clamped by the first plate 3161 and the second plate 3162, the second handle 317 is rotated, the second gear 318 rotates along with the second handle 317, the second gear 318 is meshed with the second rack 322, and the second rack 322 moves in the X-axis direction, so that the upper clamping assembly 1 or the lower clamping assembly 2 can be adjusted to move in the X-axis direction, and the adjustment precision is accurate, fast and convenient.

As shown in fig. 4 to 6, in the present embodiment, the horizontal adjustment assembly 32 further includes a first connecting member 323 and a second connecting member 324 rotatably connected to one end of the first connecting member 323, the first connecting member 323 is disposed in the fourth sleeve 321, the first connecting member 323 is connected to the second rack 322, the first connecting member 323 can move along with the second rack 322, and the first connecting member 323 is used for adjusting the second connecting member 324 to rotate in the Y-Z plane. Specifically, the first connecting piece 323 and the second connecting piece 324 are in threaded connection, an avoiding groove is formed in the fourth sleeve 321, the second rack 322 passes through the avoiding groove to be connected with the first connecting piece 323, the avoiding groove can limit rotation of the second rack 322 and the first connecting piece 323, meshing stability of the second gear 318 and the second rack 322 is guaranteed, and the first connecting piece 323 is prevented from rotating on the Y-Z plane along with the second connecting piece 324. The second link 324 is capable of adjusting the rotation of the workpiece in the Y-Z plane to accommodate the requirements.

In this embodiment, the horizontal adjustment assembly 32 further includes a third connection member 325, the second connection member 324 is connected to the third connection member 325 by a bolt, a central axis of the bolt is perpendicular to the X-Z plane, the bolt is used for adjusting the rotation of the third connection member 325 in the X-Z plane, and the upper clamping assembly 1 or the lower clamping assembly 2 is fixedly disposed on the third connection member 325. Preferably, the second connecting member 324 is provided with external engaging teeth, the third connecting member 325 is provided with internal engaging teeth, the external engaging teeth are engaged with the internal engaging teeth, the plane of the root circle of the external engaging teeth is parallel to the X-Z plane, and the upper clamping assembly 1 or the lower clamping assembly 2 is fixedly arranged on the third connecting member 325, namely, the third connecting member 325 can adjust the rotation of the workpiece in the X-Z plane.

In this embodiment, the upper clamping assembly 1 includes a vertical plate 11 connected to the horizontal adjustment assembly 32, a pressing arm 12, and a first positioning element 13 disposed on the pressing arm 12, the pressing arm 12 is connected to the vertical plate 11 through a hinge 14, and the first positioning element 13 is used for pressing against the top of the workpiece. The workpiece is placed on the lower clamping component 2, and the pressing arm 12 is turned over, so that the first positioning piece 13 is pressed against the workpiece. Optionally, the first positioning element 13 comprises a ball for abutting against the workpiece and a screw for fine-tuning the gap between the ball and the workpiece.

Preferably, the third handle 16 is disposed on the pressing arm 12, and the pressing arm 12 is driven by the third handle 16, so as to facilitate rotation of the pressing arm 12.

In this embodiment, the upper clamping assembly 1 further includes a limiting block 15, and the limiting block 15 is clamped between the vertical plate 11 and the pressing arm 12. When the upper clamping assembly 1 and the lower clamping assembly 2 clamp the workpiece, the workpiece is processed, the pressure arm 12 is limited by the limiting block 15, and the fixing capacity of the pressure arm 12 and the first positioning piece 13 to the workpiece is enhanced.

In this embodiment, the lower clamping assembly 2 includes a connecting plate 21 connected to the horizontal adjustment assembly 32, a transfer block 22 disposed on the connecting plate 21, and a second positioning member 23 disposed on the transfer block 22, the second positioning member 23 is used for abutting against the bottom of the workpiece, a plurality of fixing holes are disposed on the connecting plate 21, the transfer block 22 selects an installation position according to the actual structure of the workpiece, and it is ensured that the second positioning member 23 can stably support the workpiece. Preferably, an expansion plate may be further added to the connection plate 21, and the expansion plate expands the support range, thereby supporting a larger-area workpiece.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. a flexible tooling, is characterized in that, comprises:

The upper clamping assembly is used to press the top of the workpiece;

The lower clamping assembly is used to press the bottom of the workpiece;

An adjustment mechanism, the adjustment mechanism includes a height adjustment assembly and a level adjustment assembly disposed on the height adjustment assembly, the height adjustment assembly is used to adjust the movement of the level adjustment assembly in the Z-axis direction, and the adjustment mechanism is Two groups, the upper clamping assembly is rotatably arranged on one of the horizontal adjustment assemblies, and the lower clamping assembly is rotatably arranged on the other horizontal adjustment assembly, and the horizontal adjustment assembly is used to adjust all the The movement of the upper clamping assembly and the lower clamping assembly in the X-axis direction.

2 . The flexible tool according to claim 1 , wherein the height adjustment assembly comprises a first sleeve, a second sleeve sleeved in the first sleeve, and a second sleeve sleeved in the first sleeve. 3 . The first handle on the barrel, the first handle is provided with a first gear, the second sleeve is provided with a first rack, the first gear meshes with the first rack, the first A handle can drive the second sleeve to move in the Z-axis direction through the first gear and the first rack.

3 . The flexible tooling according to claim 2 , wherein the side wall of the first sleeve is provided with a first groove portion, and the two sides of the first groove portion are respectively provided with connecting bosses, two The connection bosses are connected by bolts.

4 . The flexible tooling according to claim 2 , wherein the height adjustment assembly further comprises a third sleeve, the third sleeve is rotatably arranged on the second sleeve, and the third sleeve is rotatable. 5 . The barrel includes a first plate and a second plate, the level adjustment assembly is inserted between the first plate and the second plate, and the first plate and the second plate are used for clamping the level Adjustment components.

5 . The flexible tooling according to claim 4 , wherein the level adjustment assembly comprises a fourth sleeve and a second gear rack disposed in the fourth sleeve, and the third sleeve is disposed on the third sleeve. 6 . There is a second handle, the second handle is provided with a second gear, the second gear meshes with the second rack, and the second handle can pass through the second gear and the second rack The upper clamping assembly or the lower clamping assembly is driven to move in the X-axis direction.

6. The flexible tool according to claim 5, wherein the level adjustment assembly further comprises a first connecting piece and a second connecting piece rotatably connected to one end of the first connecting piece, the first connecting piece Passing through the fourth sleeve, the second connecting piece can rotate around the first connecting piece in the Y-Z plane.

7 . The flexible tool according to claim 6 , wherein the level adjustment assembly further comprises a third connecting piece, the second connecting piece and the third connecting piece are connected by bolts, and the center of the bolt is 7 . The axis is perpendicular to the X-Z plane, the bolt is used to adjust the rotation of the third connecting piece on the X-Z plane, and the upper clamping assembly or the lower clamping assembly is fixedly arranged on the third connecting piece.

8 . The flexible tooling according to claim 1 , wherein the upper clamping assembly comprises a vertical plate connected to the horizontal adjustment assembly, a pressing arm and a first positioning member arranged on the pressing arm. 9 . , the pressing arm is connected to the vertical plate through a hinge, and the first positioning member is used to press the top of the workpiece.

9 . The flexible tooling according to claim 8 , wherein the upper clamping assembly further comprises a limit block, the limit block is clamped between the vertical plate and the pressing arm, and the The limit block is used to limit the movement of the pressing arm in the X-axis direction.

10 . The flexible tooling according to claim 1 , wherein the lower clamping assembly comprises a connecting plate connected to the level adjustment assembly, an adapter block disposed on the connecting plate, and a connecting plate disposed on the connecting plate. 11 . The second positioning piece on the adapter block is used for pressing the bottom of the workpiece.