CN212385299U - Locking device - Google Patents

Abstract

The utility model provides a locking device, includes installation base, lifter and control rod, fixed surface connects in the lower terminal surface of hollow overcoat on the installation base, the up end of hollow overcoat can be dismantled and connect in last guide positioning board, the lifter passes guide positioning board and one end and stretches into hollow overcoat, and the other end stretches out the upper surface of guide positioning board and can compress tightly the work piece, the handle hole has been seted up in the correspondence on the other end of hollow overcoat and lifter, the control rod passes the handle hole on the hollow overcoat, be provided with on the control rod toper portion and with the handle hole cooperation on the lifter other end, compress tightly the work piece with the adjustment lifter through the degree of depth of the handle hole on the toper portion screw in lifter other end. The utility model discloses can realize the quick location and the locking (especially cyclic annular work piece) of various shape work pieces, machining efficiency is high, and can be applicable to the locking of the cyclic annular work piece of multiple size, and application scope is wide.

Description

Locking device

Technical Field

The utility model relates to the technical field of machining, in particular to locking device.

Background

In the machining process, a locking device is required to be adopted to quickly lock a machined workpiece, so that the machining efficiency and the machining precision are improved, and particularly, annular workpieces such as piston rings and the like are difficult to quickly fix. The sizes of the annular workpieces are different, different locking devices are needed, and when the annular workpieces are replaced, the locking devices need to be replaced at the same time, so that the efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a locking device can realize the quick locking of work piece, has improved machining efficiency.

In order to achieve the above technical purpose, the embodiment of the present invention has the following technical solutions.

The utility model provides a locking device, includes installation base, lifter and control rod, fixed surface connects in the lower terminal surface of hollow overcoat on the installation base, the up end of hollow overcoat can be dismantled and connect in last guide positioning board, the lifter passes guide positioning board and one end and stretches into hollow overcoat, and the other end stretches out the upper surface of guide positioning board and can compress tightly the work piece, the handle hole has been seted up in the correspondence on the other end of hollow overcoat and lifter, the control rod passes the handle hole on the hollow overcoat, be provided with on the control rod toper portion and with the handle hole cooperation on the lifter other end, compress tightly the work piece with the adjustment lifter through the degree of depth of the handle hole on the toper portion screw in lifter other end.

Furthermore, the lifting rod guide device further comprises a lower guide positioning plate, wherein the part or the whole part of the lower guide positioning plate is arranged inside the hollow outer sleeve, and a lifting rod guide hole in sliding connection with one end of the lifting rod is formed in the part arranged inside the hollow outer sleeve.

Further, still include the elastic component, the elastic component sets up in the lifter guiding hole, lifter one end can stretch into in the lifter guiding hole support elastic component.

Furthermore, an elastic piece guide hole is formed in the end face of one end of the lifting rod, one end of the elastic piece extends into the hole bottom of the elastic piece guide hole, and the other end of the elastic piece abuts against the hole bottom of the guide hole of the hollow outer sleeve.

Further, the elastic member is a spring.

Furthermore, a positioning pin is arranged on the side wall of the guide hole, which can extend into the hollow outer sleeve, of one end of the lifting rod.

Furthermore, two operation holes are formed in the hollow outer sleeve, at least one of the operation holes is a threaded hole, and the operation rod is in threaded fit with the threaded hole.

Further, the middle part of the operating rod is a conical part.

Furthermore, a workpiece pressing plate is arranged at the other end of the lifting rod extending out of the upper guide positioning plate.

Further, the workpiece pressing plate is in threaded connection with the other end, extending out of the upper guide positioning plate, of the lifting rod.

Compared with the prior art, the embodiment of the utility model provides an advantage lies in:

the utility model provides a locking device, the during operation embolias the other end of lifter and places on the upper surface of last direction locating plate with cyclic annular work piece, and the degree of depth of the operation hole on the toper portion screw in lifter other end of adjustment control rod makes the lifter descend, and then makes the other end of lifter compress tightly the upper surface of (cyclic annular) work piece to realized the quick location and the locking of (cyclic annular) work piece, machining efficiency is high. The locking device can be suitable for locking (annular) workpieces with various sizes, and has a wide application range.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic sectional view of a locking device in an embodiment of the present invention.

In the drawings, 1-mounting a support; 2-lower guiding positioning rod; 3-a lifting rod; 4-guiding the positioning rod upwards; 5-a joystick; 6-coating the outer sleeve; 7-workpiece pressing plate; 8-an elastic member; and 9, positioning pins.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, "connected" is to be understood in a broad sense, e.g., fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It should be noted that, the left and right in fig. 1 are left and right, the top and bottom are top and bottom, and the vertical plane is outward and front, and vice versa.

As shown in fig. 1, a locking device, including installation base 1, lifter 3 and control rod 5, fixed surface connects in the lower terminal surface of hollow overcoat 6 on the installation base 1, the up end of hollow overcoat 6 can be dismantled and connect in last direction locating plate 4, lifter 3 passes direction locating plate 4 and one end and stretches into hollow overcoat 6, and the other end stretches out the upper surface of last direction locating plate 4 and can compress tightly the work piece, the handle hole has been seted up to corresponding on the other end of hollow overcoat 6 and lifter 3, control rod 5 passes the handle hole on the hollow overcoat 6, be provided with the toper portion on the control rod 5 and with the handle hole cooperation on the lifter 3 other end, the degree of depth through the handle hole on the toper portion screw in lifter 3 other end compresses tightly the work piece with adjustment lifter 3.

When the device works, a ring-shaped workpiece (such as a piston) is sleeved at the other end of the lifting rod 3 and is placed on the upper surface of the upper guide positioning plate 4, the depth of the conical part of the control lever 5 screwed into the operation hole at the other end of the lifting rod 3 is adjusted to enable the lifting rod 3 to descend, and then the other end of the lifting rod 3 is enabled to press the upper surface of the ring-shaped workpiece, so that the ring-shaped workpiece is quickly positioned and locked. The other end of the lifting rod 3 should be provided with a lateral extension for pressing the ring-shaped workpiece.

In a specific embodiment of the present invention, the locking device further comprises a lower guiding positioning plate 2, the lower guiding positioning plate 2 is partially or completely disposed inside the hollow outer sleeve 6, and a lifting rod guiding hole slidably connected to one end of the lifting rod 3 is disposed on the portion disposed inside the hollow outer sleeve 6. The lifting motion track of the lifting rod 3 can be fixed, so that the annular workpiece is stressed uniformly in the locking process and is prevented from sideslipping.

In a specific embodiment of the present invention, the locking device further includes an elastic member 8, the elastic member 8 is disposed in the lifting rod guide hole, and one end of the lifting rod 3 can extend into the lifting rod guide hole to tightly support the elastic member 8. When the annular workpiece is dismounted, the elastic part 8 can realize the automatic lifting of the lifting rod 3, so that the manual operation and the influence on the efficiency are avoided.

In a specific embodiment of the present invention, the end face of one end of the lifting rod 3 is provided with an elastic member guiding hole, one end of the elastic member 8 extends into the bottom of the elastic member guiding hole, and the other end abuts against the bottom of the guiding hole of the hollow sheath 6.

In a specific embodiment of the present invention, the elastic member 8 is a spring.

In a specific embodiment of the present invention, a positioning pin 9 is disposed on a side wall of the guiding hole of the hollow sheath 6, into which one end of the lifting rod 3 can be inserted.

In a specific embodiment of the present invention, in order to prevent the deviation of the operating rod 5, the two ends of the operating rod can be relatively fixed, the hollow outer sleeve 6 is provided with two operating holes, at least one of which is a threaded hole, and the operating rod 5 is in threaded fit with the threaded hole.

In a specific embodiment of the present invention, the middle of the operating rod 5 is a tapered portion.

In a specific embodiment of the present invention, a workpiece pressing plate 7 is disposed on the other end of the lifting rod 3 extending out of the upper guiding and positioning plate 4. The work holding plate 7 functions as a lateral extension provided at the other end of the lifter bar 3.

In a specific embodiment of the present invention, the workpiece pressing plate 7 is screwed to the other end of the lifting rod 3 extending out of the upper guiding and positioning plate 4.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the description of the above embodiments and the description is only for illustrating the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A locking device, characterized by: comprises a mounting base (1), a lifting rod (3) and an operating rod (5), wherein the upper surface of the mounting base (1) is fixedly connected with the lower end surface of a hollow outer sleeve (6), the upper end surface of the hollow outer sleeve (6) is detachably connected with the upper guide positioning plate (4), the lifting rod (3) penetrates through the guide positioning plate (4), one end of the lifting rod extends into the hollow outer sleeve (6), the other end of the lifting rod extends out of the upper surface of the upper guide positioning plate (4) and can press a workpiece, the other ends of the hollow outer sleeve (6) and the lifting rod (3) are correspondingly provided with operating holes, the operating rod (5) passes through an operating hole on the hollow outer sleeve (6), a conical part is arranged on the operating rod (5) and is matched with the operating hole on the other end of the lifting rod (3), the depth of the conical part screwed into the operation hole at the other end of the lifting rod (3) is used for adjusting the pressing of the lifting rod (3) on the workpiece.

2. The locking device of claim 1, wherein: still include down direction locating plate (2), down direction locating plate (2) part or whole setting are inside hollow overcoat (6), and set up and be provided with the lifter guiding hole with lifter (3) one end sliding connection on the part of hollow overcoat (6) inside.

3. The locking device of claim 2, wherein: still include elastic component (8), elastic component (8) set up in the lifter guiding hole, lifter (3) one end can stretch into in the lifter guiding hole and support elastic component (8).

4. A locking device according to claim 3, characterized in that: an elastic piece guide hole is formed in the end face of one end of the lifting rod (3), one end of the elastic piece (8) extends into the hole bottom of the elastic piece guide hole, and the other end of the elastic piece (8) abuts against the hole bottom of the guide hole of the hollow outer sleeve (6).

5. The locking device of claim 4, wherein: the elastic piece (8) is a spring.

6. The locking device of claim 4, wherein: and one end of the lifting rod (3) can extend into the side wall of the guide hole of the hollow outer sleeve (6) and is provided with a positioning pin (9).

7. Locking device according to any one of claims 1-6, characterized in that: two operation holes are formed in the hollow outer sleeve (6), at least one of the operation holes is a threaded hole, and the operation rod (5) is in threaded fit with the threaded hole.

8. The locking device of claim 7, wherein: the middle part of the operating rod (5) is a conical part.

9. Locking device according to any one of claims 1-6, characterized in that: and a workpiece pressing plate (7) is arranged at the other end of the lifting rod (3) extending out of the upper guide positioning plate (4).

10. The locking device of claim 9, wherein: the workpiece pressing plate (7) is in threaded connection with the other end of the lifting rod (3) extending out of the upper guide positioning plate (4).

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