CN220073317U - Chuck clamp special for end plate - Google Patents

Abstract

The utility model discloses a chuck clamp special for an end plate, which comprises a chuck base body, a first clamping piece, a second clamping piece and a movable piece, wherein the first clamping piece and the second clamping piece are both in sliding connection with the movable piece, the chuck base body is provided with a mounting groove matched with a workpiece, the movable piece is positioned at the bottom of the chuck base body and moves relative to the chuck base body along the axial direction between an opening position and a closing position, the movable piece jacks up the first clamping piece and the second clamping piece when in the opening position so as to enable the first clamping piece and the second clamping piece to be in an opening state, and the movable piece drives the first clamping piece and the second clamping piece to retract when in the closing position so as to enable the first clamping piece and the second clamping piece to be in a clamping state. The utility model provides a chuck clamp special for an end plate, which has the advantages of simple structure, convenience in operation and good clamping effect, and is suitable for clamping operation of various workpieces.

Description

Chuck clamp special for end plate

Technical Field

The utility model relates to the technical field of chuck clamps, in particular to a chuck clamp special for an end plate.

Background

The workpiece in the drawing is an end plate on the electromagnetic valve, which is approximately rectangular in shape, and two protrusions are arranged at one side edge of the workpiece at intervals as shown in the drawing in connection with fig. 1. In the production process of the workpiece, secondary machining is needed, if a traditional three-jaw chuck or four-jaw chuck is adopted, the workpiece is inclined due to the characteristics of a lathe chuck, and then the reference surface of the workpiece and the reference surface of the clamp cannot be completely contacted, so that the dimension of the workpiece cannot be stabilized. This affects the yield of secondary work of the workpiece, producing a large number of defective products. For such workpieces, there is a need to develop a chuck fixture with good clamping effect.

Disclosure of Invention

The present utility model aims to solve one of the technical problems in the related art to a certain extent. Therefore, the utility model provides a chuck clamp special for an end plate.

The technical scheme adopted by the utility model is as follows: the utility model provides a special chuck anchor clamps of end plate, including chuck base member, first clamping piece, second clamping piece and moving part, first clamping piece and second clamping piece all with moving part sliding connection, the chuck base member has the mounting groove with the work piece adaptation, the moving part is located the bottom of chuck base member and moves between open position and closed position along the axial for the chuck base member, in open position the moving part jack-up first clamping piece and second clamping piece to make both be open state, in closed position the moving part drives first clamping piece and second clamping piece are retracted, so that both are the clamp state.

After the structure is adopted, the movable piece synchronously pulls the first clamping piece and the second clamping piece to move axially, and meanwhile, the first clamping piece moves towards a direction which is close to or far away from each other relative to the second clamping piece, so that the first clamping piece and the second clamping piece are switched back and forth between an open state and a clamping state. In order to better realize positioning, the utility model realizes complete contact between the workpiece and the reference surface of the clamp by arranging the mounting groove on the chuck base body and attaching the workpiece to the bottom of the mounting groove. The movable piece can jack up the first clamping piece and the second clamping piece when in the opening position, so that the clamping pieces are easier to install and uninstall in the opening state. Meanwhile, when the workpiece is at the closed position, the movable piece can drive the clamping piece to retract, so that the workpiece is more stable and reliable when the clamping piece clamps the workpiece. In a word, the chuck clamp provided by the utility model has the advantages of simple structure, convenience in operation and good clamping effect, and is suitable for clamping operation of various workpieces.

According to one embodiment of the utility model, the first clamping piece is provided with a step structure, a second step surface in the step structure is a first clamping surface, and the second step surface is positioned at the lower part of the first step surface; the step structure is positioned on the side face of the first clamping piece and can be used as a barb structure, when the movable piece drives the first clamping piece to retract, the vertical face between the primary step face and the secondary step face is propped against the edge of the workpiece, so that the workpiece is firmly attached to the reference face, and the workpiece is prevented from inclining and deviating.

According to one embodiment of the utility model, the second clamping piece is correspondingly provided with a step structure, and a second step surface in the step structure is a second clamping surface; similarly, the step structure is positioned on the side face of the second clamping piece and can be used as a barb structure, when the movable piece drives the second clamping piece to retract, the vertical face between the primary step face and the secondary step face is propped against the edge of the workpiece, so that the workpiece is firmly attached to the reference face, and the workpiece is prevented from inclining and deviating.

According to one embodiment of the utility model, the chuck base is provided with a first inclined guide groove, the first inclined guide groove penetrates through two axial ends of the chuck base, and the first clamping piece is in sliding fit with the first inclined guide groove; the first clamping piece moves obliquely so as to enable the first clamping piece to move towards or away from each other relative to the second clamping piece.

According to one embodiment of the utility model, the chuck base is provided with a second inclined guide groove, the second inclined guide groove penetrates through two axial ends of the chuck base, and the second clamping piece is in sliding fit with the second inclined guide groove; similarly, the second clamping piece moves obliquely to enable the first clamping piece to move towards or away from each other relative to the second clamping piece.

According to one embodiment of the utility model, the bottom of the first clamping piece is provided with a first T-shaped block, and the movable piece is provided with a first T-shaped groove corresponding to the first T-shaped block; the first T-shaped block is in sliding fit with the first T-shaped groove, so that the first clamping piece moves radially along the first T-shaped groove.

According to one embodiment of the utility model, a second T-shaped block is arranged at the bottom of the second clamping piece, and a second T-shaped groove is arranged on the movable piece corresponding to the second T-shaped block; similarly, the second T-shaped block is in sliding fit with the second T-shaped groove, so that the second clamping piece moves radially along the second T-shaped groove.

According to one embodiment of the utility model, the chuck fixture further comprises a bottom cover, wherein the bottom cover is fixedly connected with the bottom of the chuck base body, and the bottom cover and the chuck base body are combined to form a space for the movable piece to axially move.

According to one embodiment of the utility model, the bottom cover is provided with a through hole, and the bottom of the movable piece is provided with a boss matched with the through hole.

According to one embodiment of the utility model, the movable piece is provided with a step hole, the bottom of the mounting groove is detachably connected with a top cover, and the step hole is coaxially arranged with the top cover.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a prior art workpiece;

FIG. 2 is a perspective view of a chuck holder according to an embodiment of the utility model;

FIG. 3 is a schematic view of a chuck holder according to an embodiment of the utility model;

FIG. 4 is a perspective view of a chuck base in accordance with an embodiment of the utility model;

FIG. 5 is a perspective view in semi-section of a chuck base according to an embodiment of the utility model;

FIG. 6 is a schematic diagram illustrating the connection of the movable member according to the embodiment of the present utility model;

FIG. 7 is a cross-sectional view of a chuck holder in accordance with an embodiment of the utility model;

FIG. 8 is a perspective view of a movable member according to an embodiment of the present utility model;

FIG. 9 is a perspective view of a first clamping member according to an embodiment of the present utility model;

fig. 10 is a perspective view of a second clamping member according to an embodiment of the present utility model.

The reference numerals in the figures illustrate:

1. a workpiece; 2. a chuck base; 3. a first clamping member; 4. a second clamping member; 5. a movable member; 6. a bottom cover; 7. a top cover;

11. a protrusion;

21. a mounting groove; 22. a first inclined guide groove; 23. a second inclined guide groove; 24. a limit part;

31. a first T-block; 32. a first clamping surface;

41. a second T-block; 42. a second clamping surface;

51. a first T-shaped slot; 52. a second T-shaped slot; 53. a step hole; 54. a boss.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

As shown in fig. 2-10, in this embodiment, a chuck fixture specially used for an end plate is disclosed, which includes a chuck base 2, a first clamping member 3, a second clamping member 4, and a movable member 5, where the first clamping member 3 and the second clamping member 4 are slidably connected with the movable member 5, the chuck base 2 has a mounting groove 21 adapted to the workpiece 1, and the movable member 5 is located at the bottom of the chuck base 2 and moves relative to the chuck base 2 along an axial direction between an open position and a closed position, where the movable member 5 lifts the first clamping member 3 and the second clamping member 4 to make them take an open state, and where the movable member 5 drives the first clamping member 3 and the second clamping member 4 to take a clamped state.

Further, as shown in fig. 2 to 4, a mounting groove 21 for fitting the workpiece 1 is provided at the upper end of the chuck base 2, and the main body of the mounting groove 21 is substantially rectangular. Wherein, limit parts 24 are arranged on two side walls of the mounting groove 21, and when the workpiece 1 is placed in the mounting groove 21, the two side walls of the workpiece 1 are propped against the end surfaces of the limit parts 24. For the adaptation to the two projections 11 on the workpiece 1, the head width of the first clamping part 3 is smaller than the distance between the two projections 54. In the clamped state, the head of the first clamping part 3 abuts against the side between the two projections 11 on the workpiece 1.

Further, as shown in connection with fig. 5 to 7, in the present embodiment, the movable member 5 is mounted on the bottom of the chuck base 2, and the movable member 5 is disposed coaxially with the chuck base 2. The bottoms of the first clamping member 3 and the second clamping member 4 pass through the chuck base 2 and are slidably connected with the movable member 5. The first clamping piece 3 and the second clamping piece 4 are distributed in an inverted splayed mode, and the head of the first clamping piece 3 is driven to move relative to the head of the second clamping piece 4 by pulling the movable piece 5. The head of the first clamping member 3 and the head of the second clamping member 4 extend into the mounting groove 21, the movement of the first clamping member 3 eliminates the gap between the first clamping member 3 and the workpiece 1, and similarly the movement of the second clamping member 4 eliminates the gap between the second clamping member 4 and the workpiece 1, thereby forming a clamping action.

Specifically, as shown in fig. 9-10, the first clamping member 3 is provided with a step structure, a second step surface in the step structure is a first clamping surface 32, the second step surface is located at the lower part of the first step surface, the second clamping member 4 is correspondingly provided with a step structure, and the second step surface in the step structure is a second clamping surface 42.

Further, a step structure is arranged on the inner side of the head of the first clamping piece 3, wherein a first-stage step surface is raised 11 on a second-stage step surface, and a vertical surface is used for transition between the first-stage step surface and the second-stage step surface. In this embodiment the vertical surface is perpendicular to the secondary step surface, and in another embodiment an acute angle is formed between the vertical surface and the secondary step surface. The step structure has the barb function, when the workpiece 1 is clamped, the vertical surface is propped against the upper edge of the workpiece 1, the workpiece 1 is pressed down to be propped against the reference surface at the bottom of the mounting groove 21, and the secondary step surface is continuously close until the workpiece 1 is propped against.

Specifically, as shown in fig. 5 and 7, the chuck base 2 has a first inclined guide groove 22, the first inclined guide groove 22 penetrates through two axial ends of the chuck base 2, the first clamping member 3 is in sliding fit with the first inclined guide groove 22, the chuck base 2 has a second inclined guide groove 23, the second inclined guide groove 23 penetrates through two axial ends of the chuck base 2, and the second clamping member 4 is in sliding fit with the second inclined guide groove 23. The bottom of the first clamping piece 3 is provided with a first T-shaped block 31, the movable piece 5 is provided with a first T-shaped groove 51 corresponding to the first T-shaped block 31, the bottom of the second clamping piece 4 is provided with a second T-shaped block 41, and the movable piece 5 is provided with a second T-shaped groove 52 corresponding to the second T-shaped block 41.

Further, in this embodiment, the main body of the movable member 5 has a disc structure, and a stepped hole 53 is provided at a central position thereof, and the stepped hole 53 is coaxially disposed with respect to the chuck base 2, and is adapted to be connected to a rod end of a cylinder. T-shaped grooves are formed in the radial direction of the movable piece 5 in a penetrating manner, the T-shaped grooves on two sides of the step hole 53 are respectively a first T-shaped groove 51 and a second T-shaped groove 52 by taking the step hole 53 as a demarcation center. The bottom of the first clamping member 3 is provided with a first T-shaped block 31 in sliding fit with a first T-shaped slot 51, and the bottom of the second clamping member 4 is provided with a second T-shaped block 41 in sliding fit with a second T-shaped slot 52. The first T-shaped groove 51 and the second T-shaped groove 52 are arranged to guide the radial movement of the first clamping member 3 and the second clamping member 4 relative to the movable member 5.

Specifically, as shown in fig. 7, the chuck fixture further includes a bottom cover 6, where the bottom cover 6 is fixedly connected with the bottom of the chuck base 2, and the bottom cover 6 and the chuck base 2 are combined to form a space for the movable member 5 to axially move, the bottom cover 6 is provided with a through hole, and the bottom of the movable member 5 has a boss 54 adapted to the through hole. The movable piece 5 is provided with a step hole 53, the bottom of the mounting groove 21 is detachably connected with the top cover 7, and the step hole 53 and the top cover 7 are coaxially arranged.

Further, in the present embodiment, a through hole is provided in the center of the mounting groove 21, and the inner diameter of the through hole is equal to or larger than the inner diameter of the larger hole of the stepped holes 53. In assembling the chuck fixture of this embodiment, the first clamping member 3 is first passed through the first inclined guide groove 22 from top to bottom, so that the first T-shaped block 31 on the first clamping member 3 extends into the bottom of the chuck base 2. And then the movable piece 5 is arranged in the radial direction, so that the first T-shaped block 31 is in sliding fit with the first T-shaped groove 51, the outer edge of one side of the movable piece 5 is propped against the inner wall of the bottom of the chuck base body 2, and a gap is reserved between the outer edge of the other side of the movable piece 5 and the inner wall of the bottom of the chuck base body 2, so that interference caused by extension of the second clamping piece 4 is avoided. The second clamping member 4 is then passed through the second inclined guide slot 23 from top to bottom, with the second T-block 41 of the second clamping member 4 extending into the bottom of the chuck base 2. The movable member 5 is moved in a radial reverse direction so that the second T-block 41 on the second clamping member 4 is in sliding engagement with the second T-slot 52. And then the bottom cover 6 is installed, so that the boss 54 on the movable piece 5 is matched with the through hole on the bottom cover 6, and the movable piece 5 and the chuck base body 2 are coaxially arranged at the moment. Then the connecting structure for connecting the cylinder is passed through the through hole from top to bottom and is fitted with the stepped hole 53 on the movable member 5. Finally, the top cover 7 is connected with the chuck base 2 through a fastener, the through hole is sealed, and the surface of the top cover 7 is flush with the bottom of the mounting groove 21.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. A chuck clamp special for end plates is characterized in that: including chuck base member (2), first clamping piece (3), second clamping piece (4) and moving part (5), first clamping piece (3) and second clamping piece (4) all with moving part (5) sliding connection, chuck base member (2) have with mounting groove (21) of work piece (1) adaptation, moving part (5) are located the bottom of chuck base member (2) and move between open position and closed position along the axial for chuck base member (2), when open position moving part (5) jack-up first clamping piece (3) and second clamping piece (4) to make both be open state, when closed position moving part (5) drive first clamping piece (3) and second clamping piece (4) are the back, so that both are the clamp state.

2. The end plate specific chuck fixture as set forth in claim 1, wherein: the first clamping piece (3) is provided with a step structure, a second step surface in the step structure is a first clamping surface (32), and the second step surface is positioned at the lower part of the first step surface.

3. The end plate dedicated chuck fixture according to claim 2, wherein: the second clamping piece (4) is correspondingly provided with a step structure, and a second-stage step surface in the step structure is a second clamping surface (42).

4. The end plate specific chuck fixture as set forth in claim 1, wherein: the chuck base body (2) is provided with a first inclined guide groove (22), the first inclined guide groove (22) penetrates through two axial ends of the chuck base body (2), and the first clamping piece (3) is in sliding fit with the first inclined guide groove (22).

5. The end plate specific chuck fixture as set forth in claim 1, wherein: the chuck base body (2) is provided with a second inclined guide groove (23), the second inclined guide groove (23) penetrates through two axial ends of the chuck base body (2), and the second clamping piece (4) is in sliding fit with the second inclined guide groove (23).

6. The end plate specific chuck fixture as set forth in claim 1, wherein: the bottom of the first clamping piece (3) is provided with a first T-shaped block (31), and the movable piece (5) is provided with a first T-shaped groove (51) corresponding to the first T-shaped block (31).

7. The end plate specific chuck fixture as set forth in claim 1, wherein: the bottom of the second clamping piece (4) is provided with a second T-shaped block (41), and the movable piece (5) is provided with a second T-shaped groove (52) corresponding to the second T-shaped block (41).

8. The end plate specific chuck fixture as set forth in claim 1, wherein: the chuck is characterized by further comprising a bottom cover (6), wherein the bottom cover (6) is fixedly connected with the bottom of the chuck base body (2), and the bottom cover (6) and the chuck base body (2) are combined to form a space for the movable piece (5) to axially move.

9. The end plate specific chuck fixture as set forth in claim 8, wherein: the bottom cover (6) is provided with a through hole, and the bottom of the movable piece (5) is provided with a boss (54) matched with the through hole.

10. The end plate specific chuck fixture as set forth in claim 8, wherein: the movable piece (5) is provided with a step hole (53), the bottom of the mounting groove (21) is detachably connected with a top cover (7), and the step hole (53) and the top cover (7) are coaxially arranged.