CN214213007U

CN214213007U - Adjustable positioning fixture for machining

Info

Publication number: CN214213007U
Application number: CN202120186105.6U
Authority: CN
Inventors: 林钦桦
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-09-17
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses an adjustable positioning fixture is used in machining relates to machining technical field. The utility model provides an adjustable positioning fixture for machining, includes workstation and PMKD, the central point at PMKD top puts fixedly connected with bench vice, PMKD and workstation pass through coupling mechanism fixed connection, coupling mechanism includes rotatory handle and grafting overcoat, the bottom fixedly connected with dead lever of rotatory handle, and the bottom fixedly connected with threaded rod of dead lever, the bottom fixedly connected with expanding spring of threaded rod, and the spacing post of the bottom fixedly connected with of expanding spring. The utility model discloses a coupling mechanism's setting has realized can be through rotatory handle control activity steel ball in the outstanding position of grafting overcoat, and then realizes fixing or releasing PMKD and workstation, and easy operation is swift, is convenient for dismantle and install it when tiger bench vice needs maintenance.

Description

Adjustable positioning fixture for machining

Technical Field

The utility model relates to a machining technical field specifically is an adjustable positioning fixture is used in machining.

Background

The bench vice is a general clamp used for clamping workpieces, is arranged on a workbench and is used for stably clamping the workpieces, is a necessary tool for a bench workshop, and a turntable type clamp body can rotate to enable the workpieces to rotate to a proper working position.

To present most machining's mill, often need use the different bench vice of specification, but most bench vice and workstation adopt the welding or the mode of spiro union to fix on the market, be difficult to carry out quick dismantlement and maintenance to it when the damage appears in the tiger bench vice, the while workstation can not be general, the bench vice of different specifications all need dispose the workstation, thereby the occupation space that leads to the bench vice is great, for this reason, propose an adjustable positioning fixture for machining.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable positioning fixture is used in machining to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable positioning fixture for machining comprises a workbench and a fixed bottom plate, wherein a bench vice is fixedly connected at the central position of the top of the fixed bottom plate, the fixed bottom plate is fixedly connected with the workbench through a connecting mechanism, the connecting mechanism comprises a rotating handle and an inserting sleeve, a fixed rod is fixedly connected at the bottom of the rotating handle, a threaded rod is fixedly connected at the bottom end of the fixed rod, an expansion spring is fixedly connected at the bottom of the threaded rod, a limiting column is fixedly connected at the bottom of the expansion spring, a positioning column is fixedly connected at the bottom of the limiting column, the threaded rod is fixedly connected with the inserting sleeve in a screwed manner, a limiting ring is fixedly connected at the top end of the inserting sleeve in a screwed manner, a threaded ring is fixedly screwed inside the limiting ring and movably sleeved with the fixed rod, the positioning column penetrates through the bottom end of the inserting sleeve, and a steel ball groove is formed inside the bottom end of the inserting sleeve, the movable steel balls are movably arranged in the steel ball grooves and are in contact with the bottoms of the limiting columns.

Preferably, the four corners of the bottom of the workbench are fixedly connected with fixing columns, the top of the workbench is provided with fixing grooves, the fixing grooves are evenly distributed, the inside of each fixing groove is provided with a limiting block through a fastening bolt, the middle of each limiting block is provided with a circular cavity, the circular cavity is matched with the splicing sleeve, the limiting block is located on the side wall of the circular cavity and provided with a ring groove, and the ring groove is matched with the movable steel balls.

Preferably, spacing ring and grafting overcoat are integrated into one piece structure, and spacing ring and grafting overcoat are the metal material, dead lever and threaded rod are integrated into one piece structure, dead lever and threaded rod are the forged steel material.

Preferably, the limiting column and the positioning column are of an integrally formed structure, the limiting column and the positioning column are made of forged steel, the center of the workbench, which is located at the bottom of the fixing groove, is provided with a positioning hole, and the positioning hole is matched with the positioning column.

Preferably, the threaded rod and the limiting column are respectively welded and fixed with the telescopic spring.

Compared with the prior art, the beneficial effects of the utility model are that:

this adjustable positioning fixture is used in machining, through coupling mechanism's setting, realized can be through the outstanding position of rotatory handle control activity steel ball at the grafting overcoat, and then realize fixing or releasing PMKD and workstation, easy operation is swift, is convenient for dismantle and install it when the vice needs maintenance, can be with the vice fixed mounting of the vice of different specifications on the workstation through coupling mechanism simultaneously, and then can save the storage space that numerous vice occupy.

When the utility model is required to be installed, the fixed bottom plate 3 with the top fixedly connected with the bench vice 4 is firstly placed on the top of the workbench 1, the hole arranged on the fixed bottom plate 3 is further aligned with the fixed groove 5 arranged on the top of the workbench 1, the inserting outer sleeve 16 on the connecting mechanism is further inserted into the fixed stopper 6 fixedly connected with the fixed groove 5, the rotating handle 8 is further rotated, the rotating handle 8 drives the fixed rod 9 and the threaded rod 10 to rotate, the threaded rod 10 further compresses the limiting post 12 through the expansion spring 11 to move downwards, the limiting post 12 further extrudes the movable steel ball 13 in the steel ball groove, the movable steel balls 13 in the inserting outer sleeve 16 are enabled to protrude outwards, and the further movable steel balls 13 are clamped into the annular groove formed in the limiting block 6, so that the fixed bottom plate 3 can be fixed on the top of the workbench 1 through the connecting mechanism.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the worktable according to the present invention;

fig. 3 is an enlarged view of a portion a of fig. 1 according to the present invention;

fig. 4 is a front view of the connection mechanism of the present invention.

In the figure: 1. a work table; 2. fixing a column; 3. fixing the bottom plate; 4. a bench vice; 5. fixing grooves; 6. A limiting block; 7. fastening a bolt; 8. a rotation handle; 9. fixing the rod; 10. a threaded rod; 11. a tension spring; 12. a limiting column; 13. a movable steel ball; 14. a positioning column; 15. a limiting ring; 16. inserting a jacket; 17. a threaded ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1-4, the utility model provides a technical solution: an adjustable positioning fixture for machining comprises a workbench 1 and a fixed bottom plate 3, wherein a bench vice 4 is fixedly connected at the central position of the top of the fixed bottom plate 3, the fixed bottom plate 3 is fixedly connected with the workbench 1 through a connecting mechanism, the connecting mechanism comprises a rotary handle 8 and an inserting outer sleeve 16, a fixed rod 9 is fixedly connected at the bottom of the rotary handle 8, a threaded rod 10 is fixedly connected at the bottom end of the fixed rod 9, an expansion spring 11 is fixedly connected at the bottom of the threaded rod 10, a limiting column 12 is fixedly connected at the bottom of the expansion spring 11, a positioning column 14 is fixedly connected at the bottom of the limiting column 12, the threaded rod 10 is fixedly connected with the inserting outer sleeve 16 in a threaded manner, a limiting ring 15 is fixedly connected at the top of the inserting outer sleeve 16, a threaded ring 17 is fixedly screwed inside the limiting ring 15, the threaded ring 17 is movably sleeved with the fixed rod 9, and the positioning column 14 penetrates through the bottom end of the inserting outer sleeve 16, and the inside of the bottom end of the splicing sleeve 16 is provided with a steel ball groove, a movable steel ball 13 is movably placed in the steel ball groove, and the movable steel ball 13 is contacted with the bottom of the limiting column 12.

As shown in fig. 1 and 2, the fixed slot 5 has been seted up at the top of

workstation

1, and 5 evenly distributed of fixed slot, 7 fixedly connected with stoppers 6 are passed through to the inside of fixed slot 5, and circular cavity has been seted up at stopper 6's middle part to the equal fixedly connected with fixed column 2 in four corners of workstation 1 bottom, circular cavity and 16 looks adaptations of grafting overcoat, and stopper 6 is located circular cavity's lateral wall and has seted up the ring channel, ring channel and 13 looks adaptations of activity steel ball.

As shown in fig. 3, the limiting ring 15 and the plugging outer sleeve 16 are integrally formed, the limiting ring 15 and the plugging outer sleeve 16 are made of metal, the fixing rod 9 and the threaded rod 10 are integrally formed, and the fixing rod 9 and the threaded rod 10 are made of forged steel.

As shown in fig. 2 and 3, the limiting column 12 and the positioning column 14 are integrally formed, the limiting column 12 and the positioning column 14 are made of forged steel, and a positioning hole is formed in the central position of the workbench 1 at the bottom of the fixing groove 5 and is matched with the positioning column 14.

As shown in fig. 3, the threaded rod 10 and the limit post 12 are respectively welded and fixed with the extension spring 11.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjustable positioning fixture for machining, includes workstation (1) and PMKD (3), its characterized in that: the center position at the top of the fixed bottom plate (3) is fixedly connected with a bench vice (4), the fixed bottom plate (3) is fixedly connected with the workbench (1) through a connecting mechanism, the connecting mechanism comprises a rotating handle (8) and an inserting outer sleeve (16), the bottom of the rotating handle (8) is fixedly connected with a fixed rod (9), the bottom of the fixed rod (9) is fixedly connected with a threaded rod (10), the bottom of the threaded rod (10) is fixedly connected with an expansion spring (11), the bottom of the expansion spring (11) is fixedly connected with a limit column (12), the bottom of the limit column (12) is fixedly connected with a positioning column (14), the threaded rod (10) is fixed with the inserting outer sleeve (16) in a threaded manner, the top of the inserting outer sleeve (16) is fixedly connected with a limit ring (15), and a threaded ring (17) is fixed in the inner threaded manner of the limit ring (15), and the threaded ring (17) is movably sleeved with the fixed rod (9), the positioning column (14) penetrates through the bottom end of the inserting outer sleeve (16), a steel ball groove is formed in the bottom end of the inserting outer sleeve (16), movable steel balls (13) are movably placed in the steel ball groove, and the movable steel balls (13) are in contact with the bottom of the limiting column (12).

2. The adjustable positioning jig for machining according to claim 1, characterized in that: the all fixedly connected with fixed column (2) in four corners of workstation (1) bottom, fixed slot (5) have been seted up at the top of workstation (1), and fixed slot (5) evenly distributed, fastening bolt (7) fixedly connected with stopper (6) are passed through to the inside of fixed slot (5), circular cavity has been seted up at the middle part of stopper (6), circular cavity and grafting overcoat (16) looks adaptation, stopper (6) are located circular cavity's lateral wall and have been seted up the ring channel, ring channel and activity steel ball (13) looks adaptation.

3. The adjustable positioning jig for machining according to claim 1, characterized in that: spacing ring (15) and grafting overcoat (16) are the integrated into one piece structure, and spacing ring (15) and grafting overcoat (16) are the metal material, dead lever (9) and threaded rod (10) are the integrated into one piece structure, dead lever (9) and threaded rod (10) are the forged steel material.

4. The adjustable positioning jig for machining according to claim 2, characterized in that: the limiting column (12) and the positioning column (14) are of an integrally formed structure, the limiting column (12) and the positioning column (14) are made of forged steel, a positioning hole is formed in the center of the bottom of the fixing groove (5) of the workbench (1), and the positioning hole is matched with the positioning column (14).

5. The adjustable positioning jig for machining according to claim 1, characterized in that: the threaded rod (10) and the limiting column (12) are respectively welded and fixed with the telescopic spring (11).