CN219819408U - End cover machining clamp - Google Patents

Abstract

The utility model discloses an end cover machining clamp, which comprises: the connecting flange is provided with a disc body, one side of the disc body is movably connected with a pull disc, one side of the disc body, which is far away from the pull disc, is provided with a spring sleeve connected with the pull disc, the disc body is provided with an expanding core matched with the spring sleeve, the spring sleeve is sleeved on the expanding core, and the disc body is provided with an end face supporting disc for supporting a workpiece; through the mode, the workpiece positioning device can conveniently and quickly fix the position of the workpiece, improve the working efficiency and improve the precision of the position of the workpiece during processing.

Description

End cover machining clamp

Technical Field

The utility model relates to the field of end cover machining, in particular to an end cover machining clamp.

Background

The end cover is a cover arranged on the shell of a motor, a cylinder, a hydraulic cylinder, an oil cylinder and the like, and the quality of the end cover directly influences the quality of related parts, so that the end cover is also very important to process, the end cover needs to be fixed when being processed, the end cover is prevented from moving when being processed, and therefore, a processing clamp is required to improve the working efficiency when the end cover is clamped and ensure the position accuracy of the fixed end cover.

Disclosure of Invention

The utility model mainly solves the technical problem of providing the end cover machining clamp which can conveniently and rapidly fix the position of a workpiece, improve the working efficiency and improve the precision of the position of the workpiece during machining.

In order to solve the technical problems, the utility model adopts a technical scheme that: there is provided an end cap machining jig comprising: the connecting flange is provided with a disc body, one side of the disc body is movably connected with a pulling disc, one side of the disc body, which is far away from the pulling disc, is provided with a spring sleeve connected with the pulling disc, the disc body is provided with an expanding core matched with the spring sleeve, the spring sleeve is arranged on the expanding core, and the disc body is provided with an end face supporting disc for supporting a workpiece.

Preferably, a plurality of anti-rotation pins are arranged on the end face supporting disc.

Preferably, a pulling rod is arranged on the pulling disc, and an elastic piece is arranged between the pulling rod and the pulling disc.

Preferably, the spring sleeve is provided with a guide post, and the guide post penetrates through the disc body to be connected with the pulling disc.

Preferably, the tray body is provided with a guide sleeve matched with the guide post.

Preferably, a first inclined plane is arranged at one end of the expansion core, which is contacted with the spring sleeve, and a second inclined plane matched with the first inclined plane is arranged on the spring sleeve.

Preferably, the pull rod is connected with a threaded transition sleeve.

Preferably, the expansion core is connected with a pressing plate for fixing the position of the workpiece.

The beneficial effects of the utility model are as follows: the end face supporting disc is used for supporting the position of the workpiece, and the pulling disc is controlled to control the position of the spring sleeve, so that the spring sleeve is forced to be outwards spread or retracted under the cooperation of the expansion core, and the outer side face of the spring sleeve abuts against the inner hole of the workpiece to fix the workpiece and does not abut against the inner hole of the workpiece any more to relax the workpiece.

Drawings

FIG. 1 is a schematic view of the overall structure of an end cap tooling fixture of the present utility model when assembled with a workpiece;

FIG. 2 is a schematic view of the entirety of an end cap tooling fixture of the present utility model after removal of a workpiece;

fig. 3 is a cross-sectional view of an end cap tooling fixture of the present utility model.

The components in the drawings are marked as follows:

1. a connecting flange; 2. a tray body; 3. a pulling disc; 4. a spring sleeve; 5. expanding the core; 6. an end face supporting plate;

7. a guide post; 8. a first inclined surface; 9. a second inclined surface; 10. a pressing plate; 11. an anti-rotation pin; 12. a guide sleeve; 13. an elastic member; 14. excessive sleeving of threads; 15. a workpiece; 16. a driving member; 17. pulling the rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Physical quantities in the formulas, unless otherwise noted, are understood to be basic quantities of basic units of the international system of units, or derived quantities derived from the basic quantities by mathematical operations such as multiplication, division, differentiation, or integration.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

referring to fig. 1-3, an end cap tooling fixture, comprising: the connecting flange 1 is connected with the disc body 2 through bolts, one side of the disc body 2 is movably connected with the pulling disc 3, one side of the disc body 2 away from the pulling disc 3 is provided with a spring sleeve 4 connected with the pulling disc 3, an expanding core 5 matched with the spring sleeve 4 is integrally formed on the disc body 2, the spring sleeve 4 is sleeved on the expanding core 5, and an end face supporting disc 6 for supporting a workpiece 15 is connected with the disc body 2 through bolts;

the spring sleeve 4 is connected with the guide post 7, one end of the guide post 7 penetrates through the disc body 2 to be in threaded connection with the pulling disc 3, the other end of the guide post 7 abuts against the surface of the spring sleeve 4, accordingly, when the pulling disc 3 is displaced, the guide post 7 drives the spring sleeve 4 to move, a first inclined surface 8 is formed in one end, in contact with the spring sleeve 4, of the expansion core 5, a second inclined surface 9 matched with the first inclined surface 8 is arranged on the spring sleeve 4, when the pulling disc 3 drives the spring groove to move away from the workpiece 15, the spring sleeve 4 is forced to move downwards under the combined action of the first inclined surface 8 and the second inclined surface 9 and simultaneously expand outwards, and the outer wall of the spring sleeve 4 is attached to the inner wall of the inner hole on the workpiece 15, so that the position of the workpiece 15 is fixed.

Referring to fig. 1-3, in order to further fix the position of the workpiece 15, a pressing plate 10 is connected to the top end of the expansion core 5 through a bolt, and the pressing plate 10 is connected to the expansion core 5 through a bolt, so that the workpiece 15 is pressed by rotating the pressing plate 10, and further the position of the workpiece 15 on the end face supporting plate is further fixed;

in order to prevent the pressing plate 10 from scratching the workpiece 15 during the pressing process of the workpiece 15, a soft cushion block is attached to one side of the pressing plate 10 close to the workpiece 15.

Referring to fig. 1 to 3, in order to prevent the workpiece 15 from rotating on the end surface supporting plate 6 during processing, a plurality of anti-rotation pins 11 are fixedly connected to the end surface supporting plate 6, and when the workpiece 15 is placed on the end surface supporting plate 6, holes on the edge of the workpiece 15 are inserted into the anti-rotation pins 11, thereby preventing the workpiece 15 from rotating during processing.

Referring to fig. 2 and 3, in order to facilitate the movement of the guide post 7, a guide sleeve 12 matched with the guide post 7 is provided on the tray body 2, so that the guide post 7 passes through the guide sleeve 12 to be in threaded connection with the pulling tray 3, and the guide sleeve 12 enables the guide post 7 to move more stably and smoothly.

Referring to fig. 3, in order to further control the position of the pull disc 3, a pull rod 17 is provided on the pull disc 3, a hole is provided on the pull disc 3, so that one end of the pull rod 17 passes through the hole, the other end of the pull rod 17 is propped against the end face of the pull disc 3, and then the position of the pull disc 3 is controlled by pulling the pull rod 17, and then the position of the spring sleeve 4 is controlled, so that the fitting and the separation of the outer side face of the spring sleeve 4 and the inner wall of the inner hole of the workpiece 15 are controlled;

in order to avoid deformation of the workpiece 15 caused by excessive force generated on the workpiece 15 due to excessive pulling force generated on the pulling rod 17, an elastic piece 13 is arranged between the pulling rod 17 and the pulling disc 3, the elastic piece 13 is a spring, and the elastic piece 13 is sleeved on the pulling rod 17.

Referring to fig. 1 to 3, one end of the pull rod 17, which is far from the pull disc 3, is connected with a thread transition sleeve 14, the thread transition sleeve 14 is connected with a driving member 16, and the driving member 16 may be an air cylinder, a hydraulic cylinder, an oil cylinder or the like, so that the pull rod 17 is connected with a piston rod of the driving member 16 through the thread transition sleeve 14, and further movement of the push rod is controlled through the driving member 16.

The operation process comprises the following steps: placing a workpiece 15 on the end face supporting disc 6, inserting a hole at the edge of the workpiece 15 into the anti-rotation pin 11, placing an inner hole of the workpiece 15 on the spring sleeve 4, pressing the workpiece 15 on the end face supporting disc 6 through the pressing plate 10, starting the driving piece 16, pulling the pulling rod 17, enabling the pulling disc 3 to move towards the driving piece 16 under the action of the pulling rod 17 and the elastic piece 13, driving the spring sleeve 4 to move towards the driving piece 16 through the guide post 7, and enabling the spring sleeve 4 to expand outwards under the action of the first inclined plane 8 and the second inclined plane 9, so that the spring sleeve 4 is attached to the inner hole of the workpiece 15, and further fixing the position of the workpiece 15;

after the machining is completed, the pulling rod 17 is released so that no pressure is applied to the spring sleeve 4 any more, so that the spring sleeve 4 no longer expands outwards and the spring sleeve 4 no longer contacts the inner bore of the workpiece 15.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (8)

1. An end cap tooling fixture, comprising: flange (1), be provided with disk body (2) on flange (1), one side swing joint of disk body (2) has a drawing dish (3), one side that draws dish (3) was kept away from to disk body (2) is provided with spring housing (4) of being connected with drawing dish (3), be provided with on disk body (2) with spring housing (4) matched with core (5) that rises, spring housing (4) cover is established on core (5) that rises, be provided with on disk body (2) terminal surface supporting disk (6) that are used for supporting work piece (15).

2. An end cap tooling fixture according to claim 1 wherein: a plurality of anti-rotation pins (11) are arranged on the end face supporting disc (6).

3. An end cap tooling fixture according to claim 2 wherein: the pull disc (3) is provided with a pull rod (17), and an elastic piece (13) is arranged between the pull rod (17) and the pull disc (3).

4. An end cap tooling fixture according to claim 2 wherein: the spring sleeve (4) is provided with a guide column (7), and the guide column (7) penetrates through the disc body (2) to be connected with the pull disc (3).

5. The end cap tooling fixture of claim 4, wherein: the tray body (2) is provided with a guide sleeve (12) matched with the guide column (7).

6. An end cap tooling fixture according to claim 1 wherein: one end of the expansion core (5) contacted with the spring sleeve (4) is provided with a first inclined plane (8), and the spring sleeve (4) is provided with a second inclined plane (9) matched with the first inclined plane (8).

7. An end cap tooling fixture according to claim 3 wherein: the pulling rod (17) is connected with a thread transition sleeve (14).

8. An end cap tooling fixture according to any one of claims 1 or 2 wherein: the expansion core (5) is connected with a pressing plate (10) for fixing the position of a workpiece (15).