CN211163021U

CN211163021U - Positioning fixture for machining

Info

Publication number: CN211163021U
Application number: CN201922315558.XU
Authority: CN
Inventors: 韦家军
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-08-04
Anticipated expiration: 2029-12-21

Abstract

The utility model discloses a positioning fixture for machining, which belongs to the field of positioning fixtures and comprises a base, wherein a forward screw rod and a reverse screw rod are respectively arranged on two sides in the base, one end of the forward screw rod is connected with one end of the reverse screw rod, thread sleeves are respectively sleeved on the outer surfaces of the forward screw rod and the reverse screw rod, a movable opening is arranged on the top of the base, two groups of thread sleeves are respectively fixed with a stand column on the top, when a workpiece needs to be angularly adjusted, a worker pulls out a clamping shaft, then rotates a first steering wheel, the first steering wheel rotates to rotate the first steering wheel, the first steering wheel rotates to enable a clamping piece to drive the workpiece to rotate, when the workpiece finds a proper angle, the worker inserts the clamping shaft into a clamping groove to further achieve the aim of fixing the angle of the workpiece, and the workpiece angle can be conveniently adjusted by the mode, the step of adjusting the angle and needing to disassemble the workpiece is avoided, the method is simple and convenient, and the working efficiency is improved.

Description

Positioning fixture for machining

Technical Field

The utility model relates to a positioning fixture technical field specifically is a positioning fixture for machining.

Background

The jig is a device for fixing a processing object to a correct position for construction or inspection in a machine manufacturing process, and is also called a jig (qi a/j ǜ), and in a broad sense, a device for quickly, conveniently and safely mounting a workpiece in any process in a process is called a jig.

The application range of the existing positioning clamp for machining is small, and during machining, due to the fact that the shapes of workpieces are different, when clamping is conducted, clamping pieces are not matched with the workpieces, clamping can not be conducted on the workpieces well, meanwhile, the existing clamp is poor in practicability, when the workpieces are machined, the workpieces possibly need to be machined in a multi-face mode, however, the existing clamp is not convenient for adjusting the angle of the workpieces, when machining is conducted, the workpieces need to be detached from the clamp, the angle is well adjusted and then the workpieces are fixed, and therefore machining efficiency is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positioning fixture for machining to provide the problem that application scope is little and be convenient for angle regulation in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a positioning fixture for machining comprises a base, wherein a forward screw rod and a reverse screw rod are respectively installed on two sides of the interior of the base, one end of the forward screw rod is connected with one end of the reverse screw rod, thread sleeves are sleeved on the outer surfaces of the forward screw rod and the reverse screw rod, a movable opening is formed in the top of the base, stand columns are fixed to the tops of the two groups of thread sleeves, one end of each stand column penetrates through the bottom of the movable opening, a driven bevel gear is fixed to one side of the outer surface of the reverse screw rod, a second rotating shaft penetrates through the top of the base, the bottom end of the second rotating shaft extends into the interior of the base and is connected with a driving bevel gear, a first rotating shaft penetrates through one side of each group of the two groups of stand columns, a mounting piece is fixed to one end of each group of the first rotating shafts, a mounting groove is formed in one side of the mounting piece, and a clamping piece is fixed, one end of the first rotating shaft is fixed with a first steering wheel, the outer surface of the first steering wheel is surrounded by a clamping groove, the top of the stand column is welded with a fixing plate, and a clamping shaft extending to the inside of the clamping groove penetrates through the top of the fixing plate.

Preferably, a second steering wheel is fixed at the top end of the second rotating shaft, and anti-skid grains are arranged on the outer surface of the second steering wheel.

Preferably, the clamping grooves are provided with a plurality of groups, and the plurality of groups are arranged at equal intervals.

Preferably, the driving bevel gear is meshed with the driven bevel gear, and lubricating oil is coated between the driving bevel gear and the driven bevel gear.

Preferably, the base both sides are fixed with the mounting panel, the top of mounting panel runs through there is the screw.

Preferably, the clamping piece is detachably arranged with the mounting piece through the mounting block.

Preferably, the inner side of the clamping piece is provided with a rubber pad.

Compared with the prior art, the beneficial effects of the utility model are that: the positioning clamp for machining is provided with an installation part, a mounting groove and an installation block, when workpieces with different shapes are machined, a worker can horizontally slide the installation block out of the mounting groove, so that the purpose of disassembling a clamping part is achieved, then the clamping part matched with the workpiece is found, then the installation block is clamped into the mounting groove, the purpose of fixedly connecting the clamping part with the installation part is further achieved, the workpieces with different shapes are met, the application range is limited, meanwhile, the clamp is further provided with a first steering wheel, a clamping shaft, a first rotating shaft and a clamping groove, when the workpiece needs to be subjected to angle adjustment, the worker extracts the clamping shaft, then the first steering wheel is rotated, the first steering wheel rotates the first rotating shaft, the first rotating shaft rotates the clamping part to drive the workpiece to rotate, when the workpiece finds a proper angle, the worker inserts the clamping shaft into the clamping groove, and then reached the fixed purpose of work piece angle, be convenient for adjust the work piece angle through this kind of mode, avoided the step that angle regulation needs the dismantlement work piece, simple and convenient has improved work efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the clamping member of the present invention;

FIG. 3 is a schematic view of a side-sectional structure of a first rudder according to the present invention;

fig. 4 is a schematic diagram of a partially enlarged structure of the present invention a.

In the figure: 1. a base; 2. a forward screw rod; 3. a reverse screw rod; 4. a threaded sleeve; 5. a column; 6. a first rotating shaft; 7. a mounting member; 8. a clamping member; 9. a first steering wheel; 10. a card slot; 11. a fixing plate; 12. a clamping shaft; 13. a second rotating shaft; 14. a second steering wheel; 15. mounting a plate; 16. a screw hole; 17. mounting grooves; 18. driving bevel gears; 19. driven bevel gears; 20. a movable opening; 21. and (7) installing the block.

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.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "fixed," "sleeved," and the like are to be construed broadly, e.g., as either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; the two elements may be connected directly or indirectly through an intermediate medium, and the two elements may be connected internally or in an interaction relationship, and a person skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations.

Referring to fig. 1-4, the present invention provides a technical solution: a positioning clamp for machining comprises a base 1, a forward screw rod 2, a reverse screw rod 3, a threaded sleeve 4, an upright post 5, a first rotating shaft 6, a mounting part 7, a clamping part 8, a first steering 9, a clamping groove 10, a fixing plate 11, a clamping shaft 12, a second rotating shaft 13, a second steering 14, a mounting plate 15, a screw hole 16, a mounting groove 17, a driving bevel gear 18, a driven bevel gear 19, a movable opening 20 and a mounting block 21, wherein the forward screw rod 2 and the reverse screw rod 3 are respectively mounted on two sides of the interior of the base 1, one end of the forward screw rod 2 is connected with one end of the reverse screw rod 3, the threaded sleeves 4 are sleeved on the outer surfaces of the forward screw rod 2 and the reverse screw rod 3, the movable opening 20 is formed in the top of the base 1, the upright posts 5 are fixed on the tops of the two sets of threaded sleeves 4, one end of each upright post 5 penetrates through the bottom of the movable opening 20, the driven bevel gear 19 is fixed, base 1's top is run through and is had second pivot 13, and the bottom of second pivot 13 extends to base 1's inside and be connected with initiative awl tooth 18, one side of two sets of stands 5 all runs through and has first pivot 6, the one end of two sets of first pivots 6 all is fixed with installed part 7, mounting groove 17 has been seted up to one side of installed part 7, the inboard of mounting groove 17 is fixed with holder 8 through installation piece 21, it is fixed to be convenient for carry out the centre gripping to the work piece, the one end of a set of first pivot 6 is fixed with first rudder 9, thereby be convenient for rotate angle regulation, draw-in groove 10 has been seted up around to the surface of first rudder 9, the top welding of a set of stand 5 has fixed plate 11, the top of fixed plate 11 is run through has the screens axle 12 that extends to the inside.

Referring to fig. 1, 3 and 4, a second rotating rudder 14 is fixed at the top end of the second rotating shaft 13, and anti-slip stripes are arranged on the outer surface of the second rotating rudder 14, so that the second rotating shaft 13 can be conveniently rotated and is not easy to slip, and a plurality of groups of clamping grooves 10 are arranged, and the plurality of groups of clamping grooves 10 are equidistantly arranged, so that the workpiece with the adjusted angle can be conveniently limited and fixed.

Referring to fig. 1 and 4, the driving bevel gear 18 is engaged with the driven bevel gear 19, and lubricating oil is coated between the driving bevel gear 18 and the driven bevel gear 19, so that the forward screw rod 2 and the reverse screw rod 3 can be conveniently rotated, and rusting can be prevented, so that the rotation is smoother, the mounting plates 15 are fixed on two sides of the base 1, and the screw holes 16 penetrate through the top of the mounting plates 15, so that the base 1 can be conveniently mounted.

Referring to fig. 1-2, the clamping member 8 is detachably mounted to the mounting member 7 through the mounting block 21, so that different clamping members 8 can be replaced conveniently to meet different shapes of workpieces, and a rubber pad is disposed on the inner side of the clamping member 8 to increase friction and prevent abrasion to the outer surface of the workpiece during clamping.

The working principle is as follows: firstly, a worker checks whether each part is intact or not, if the part is damaged, the part is replaced in time, then the worker installs the clamp through the screw hole 16, when the workpiece is clamped, the worker places the workpiece between the two groups of clamping parts 8, then the second steering wheel 14 is rotated, the second steering wheel 14 is rotated to enable the driving bevel gear 18 to drive the driven bevel gear 19 to rotate, further the forward screw rod 2 and the reverse screw rod 3 are simultaneously rotated, the forward screw rod 2 and the reverse screw rod 3 are simultaneously rotated to enable the two groups of threaded sleeves 4 to move oppositely, further the workpiece is clamped through the clamping parts 8, when the workpiece needs to be subjected to angle adjustment, the worker pulls out the clamping shaft 12, then the first steering wheel 9 is rotated, the first steering wheel 9 is rotated to enable the first rotating shaft 6 to rotate, the first rotating shaft 6 rotates to enable the clamping parts 8 to drive the workpiece to rotate, when the workpiece finds a proper angle, the worker inserts the clamping shaft 12 into the clamping groove 10, and then reached the fixed purpose of work piece angle, add man-hour to the work piece of different shapes, the staff can be with installation piece 21 from mounting groove 17 internal translation roll-off to just reached the purpose of dismantling holder 8, find after that with work piece assorted holder 8, after that with installation piece 21 card go into in mounting groove 17 again, and then reached the purpose with holder 8 and installed part 7 fixed connection.

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 a positioning fixture for machining, includes base (1), its characterized in that: the automatic screw driver is characterized in that a forward screw rod (2) and a reverse screw rod (3) are respectively installed on two sides of the interior of a base (1), one end of the forward screw rod (2) is connected with one end of the reverse screw rod (3), thread sleeves (4) are sleeved on the outer surfaces of the forward screw rod (2) and the reverse screw rod (3), a movable opening (20) is formed in the top of the base (1), stand columns (5) are fixed on the tops of the two groups of thread sleeves (4), one end of each stand column (5) penetrates through the bottom of each movable opening (20), driven conical teeth (19) are fixed on one side of the outer surface of the reverse screw rod (3), a second rotating shaft (13) penetrates through the top of the base (1), the bottom end of each second rotating shaft (13) extends to the interior of the base (1) and is connected with a driving conical tooth (18), and a first rotating shaft (6) penetrates through one side of each two groups of the stand columns (5), two sets of the one end of first pivot (6) all is fixed with installed part (7), mounting groove (17) have been seted up to one side of installed part (7), the inboard of mounting groove (17) is fixed with holder (8), and is a set of through installation piece (21) the one end of first pivot (6) is fixed with first helm (9), draw-in groove (10) have been seted up around to the surface of first helm (9), and is a set of the top welding of stand (5) has fixed plate (11), the top of fixed plate (11) is run through and is had the screens axle (12) that extend to draw-in groove (10) inside.

2. The positioning jig for machining according to claim 1, characterized in that: and a second steering wheel (14) is fixed at the top end of the second rotating shaft (13), and anti-skid grains are arranged on the outer surface of the second steering wheel (14).

3. The positioning jig for machining according to claim 1, characterized in that: the clamping grooves (10) are provided with multiple groups, and the multiple groups of clamping grooves (10) are arranged at equal intervals.

4. The positioning jig for machining according to claim 1, characterized in that: the driving bevel gear (18) is meshed with the driven bevel gear (19), and lubricating oil is coated between the driving bevel gear (18) and the driven bevel gear (19).

5. The positioning jig for machining according to claim 1, characterized in that: the base is characterized in that mounting plates (15) are fixed on two sides of the base (1), and screw holes (16) penetrate through the tops of the mounting plates (15).

6. The positioning jig for machining according to claim 1, characterized in that: the clamping piece (8) is detachably arranged with the mounting piece (7) through a mounting block (21).

7. The positioning jig for machining according to claim 1, characterized in that: the inner side of the clamping piece (8) is provided with a rubber pad.