CN212918561U

CN212918561U - Auxiliary fixture for milling stainless steel large hexagon bolts

Info

Publication number: CN212918561U
Application number: CN202021267903.3U
Authority: CN
Inventors: 李媛媛; 谢桃红; 杨钦瑞; 王政强
Original assignee: Dingxi Sharp High Strength Bolt Ltd
Current assignee: Dingxi Sharp High Strength Bolt Ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-04-09
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses a big hexagon head cap screw of stainless steel mills side auxiliary fixture belongs to five metals stamping die technical field, including punch press and bottom plate, the punch press is located the top of bottom plate, fixedly connected with lower mould in the middle part of the up end of bottom plate, buffer is all installed to the left and right sides of lower mould, buffer includes the urceolus, the lower terminal surface of urceolus and the up end fixed connection of lower mould, the mounting is all installed to the inside bottom both sides of urceolus, and the elasticity that buffer spring compression produced offsets with the impulsive force of buffer board each other, has reduced the impact force of last mould towards the lower mould, and the impact force reduces to prevent the condition that upper mould and lower mould appear bursting and warp, solves current stamping die when punching press, and the applied force is too big, when leading to the contact of last mould and lower mould, and the recoil force is also very big, makes last mould or lower mould after, the condition that the mould warp or the mould bursts often appears, has reduced the problem of printer hardware product quality.

Description

Auxiliary fixture for milling stainless steel large hexagon bolts

Technical Field

The utility model relates to a hexagon bolt processing technology field, in particular to big hexagon bolt of stainless steel mills side auxiliary fixture.

Background

The hexagon bolt is a fastener consisting of a head and a screw rod, the bolt is divided into an iron bolt and a stainless steel bolt according to the material, the fastener consisting of the head and the screw rod (a cylinder with external threads) needs to be matched with a nut and used for tightly connecting two parts with through holes, and the large-size hexagon bolt needs to be subjected to subsequent processing after hot forging and needs to use a bolt clamp.

The existing large hexagon head bolt clamp is inaccurate in positioning and low in clamping efficiency, cannot be suitable for bolts of different specifications, cannot flexibly adjust bolt angles, and accordingly improves labor intensity and reduces machining efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a big hexagon head cap screw of stainless steel mills side auxiliary fixture aims at solving current big hexagon head cap screw anchor clamps location inaccurate, and the clamping is inefficient, and can not be applicable to the bolt of different specifications, and adjusting bolt angle that can not be nimble leads to improving intensity of labour, has reduced machining efficiency's problem.

The utility model is realized in such a way that the auxiliary fixture for milling the stainless steel large hexagon bolt comprises a workbench, the upper end surface of the workbench is fixedly connected with two fixed rods, the upper end surfaces of the two fixed rods are fixedly connected with an outer cylinder, a fixed cylinder is arranged in the outer cylinder, a plurality of screw rods are connected with the outer wall of the fixed cylinder in a penetrating and threaded manner, clamping blocks are fixedly connected with the opposite ends of the screw rods, bolt rods are abutted between the clamping blocks, two ends of the bolt rod respectively extend to two sides of the outer barrel, the left side of the bolt rod is fixedly connected with a bolt head, one ends of the plurality of screw rods opposite to each other are fixedly connected with knobs, the outer wall fixedly connected with of a fixed section of thick bamboo has four evenly distributed's backup pad, four the other end fixedly connected with inner tube of backup pad, swing joint has the multiunit ball between the outer wall of inner tube and the inner wall of urceolus.

Avoid rotating for fixing bolt, conduct the utility model discloses a big hex bolts of stainless steel mills side auxiliary fixture and is preferred, the top of urceolus is provided with the roof, first cylinder is installed to the lower terminal surface of roof, the clamp splice on the lower terminal surface fixedly connected with of first cylinder, the second cylinder is installed on the up end right side of workstation, the clamp splice under the up end fixedly connected with of second cylinder, the shank of bolt is located between clamp splice and the lower clamp splice.

In order to improve fixed effect, as the utility model discloses a big hex bolts of stainless steel mills side supplementary anchor clamps preferred, the screw rod is provided with four and two liang are located level and vertical axis respectively.

For the bolt centre gripping more stable, conduct the utility model discloses a big hexagon head cap screw of stainless steel mills side auxiliary fixture preferred, four one side that the grip block is relative all is provided with the rubber pad.

In order to fix the centre gripping shank of bolt, conduct the utility model discloses a big hex bolts of stainless steel mills side auxiliary fixture preferred, go up the clamp splice and all seted up the triangular groove with one side that the clamp splice is relative down.

In order to make the workstation more stable, conduct the utility model discloses a big hex bolts of stainless steel mills side auxiliary fixture and is preferred, four fixing bolt of up end threaded connection of workstation.

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

1. the bolt rod is inserted into the fixing cylinder, then the four screw rods are adjusted according to the diameters of the screw rods, the knob is screwed, the knob drives the screw rods and the clamping blocks to move until the screw rods and the clamping blocks abut against the outer wall of the bolt rod, the bolt rod is firmly fixed, the clamping and fixing are convenient and quick, the bolt rod can be suitable for bolts with different diameters and different specifications, the use range is improved, the structure is simple, the use is convenient and fast, the operation is convenient, the labor intensity is reduced, the time and the labor are saved, the product quality is guaranteed;

2. through setting up the ball, make the inner tube can rotate in the inside of urceolus, the urceolus passes through dead lever and workstation fixed connection, rotates the shank of bolt alright in order nimble angle of adjustment, labour saving and time saving improves machining efficiency.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a side view of the outer cylinder of the present invention;

FIG. 3 is a side view of the upper and lower clamping blocks of the present invention;

in the figure: 1. a work table; 2. fixing the rod; 3. an outer cylinder; 4. a fixed cylinder; 5. a screw; 6. a clamping block; 7. a knob; 8. a support plate; 9. an inner barrel; 10. a ball bearing; 11. a bolt shank; 12. a bolt head; 13. a top plate; 14. a first cylinder; 15. an upper clamping block; 16. a second cylinder; 17. a lower clamping block; 18. and (5) fixing the bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a big hex bolts of stainless steel mills side auxiliary fixture, comprises a workbench 1, two dead levers 2 of up end fixedly connected with of workstation 1, up end fixedly connected with urceolus 3 of two dead levers 2, the inside of urceolus 3 is provided with solid fixed cylinder 4, the outer wall of solid fixed cylinder 4 runs through threaded connection has a plurality of screw rods 5, the equal fixedly connected with grip block 6 of the equal one end that a plurality of screw rods 5 are relative, the butt has shank of bolt 11 between a plurality of grip block 6, the both ends of shank of bolt 11 extend to the both sides of urceolus 3 respectively, the left side fixedly connected with bolt head 12 of shank of bolt 11, the equal fixedly connected with knob 7 of the one end that a plurality of screw rods 5 carried on the back mutually, four evenly distributed's backup pads 8 of the outer wall fixedly connected with of gu fixed cylinder 4, the other end fixedly connected with inner tube 9 of four backup pads 8.

In this embodiment: the device is applicable to the stainless steel hexagon head bolt of M64 and above specification, utilize this frock, can carry out the hexagonal processing after the hot forging to the stainless steel hexagon head bolt of L1000 mm at most, during the centre gripping bolt, insert inside 4 fixed cylinders with shank of bolt 11, adjust four screw rods 5 according to the screw rod diameter afterwards, twist knob 7, knob 7 drives screw rod 5 and grip block 6 and removes until the butt in the outer wall of shank of bolt 11, it is fixed firm with shank of bolt 11, press from both sides the bolt that gets fixed convenient and fast and can be applicable to the different specifications of different diameters, the application range is improved, through setting up ball 10, make inner tube 9 can rotate at the inside of urceolus 3, urceolus 3 passes through dead lever 2 and workstation 1 fixed connection, rotate shank of bolt 11 alright in order to nimble angle of adjustment, time saving and labor saving, and high machining efficiency.

As a technical optimization scheme of the utility model, the top of urceolus 3 is provided with roof 13, and first cylinder 14 is installed to the lower terminal surface of roof 13, and clamp splice 15 is gone up to first cylinder 14's lower terminal surface fixedly connected with, and second cylinder 16 is installed on the up end right side of workstation 1, and clamp splice 17 under the up end fixedly connected with of second cylinder 16, and shank of bolt 11 is located between clamp splice 15 and the lower clamp splice 17.

In this embodiment: after the bolt is clamped and fixed and the angle is adjusted, the first air cylinder 14 and the second air cylinder 16 are started, the upper clamping block 15 and the lower clamping block 17 are made to approach the bolt rod 11, the bolt rod 11 is clamped and fixed firmly, the bolt head 12 is convenient to process, and when the angle needs to be adjusted again, the upper clamping block 15 and the lower clamping block 17 are adjusted to loosen the bolt rod 11.

As a technical optimization scheme of the utility model, screw rod 5 is provided with four and two liang be located level and vertical axis respectively.

In this embodiment: the four screw rods 5 are arranged and are located on the horizontal axis and the vertical axis in pairs respectively, the bolt rods 11 are clamped and fixed from four directions, and the fixing effect is improved.

As a technical optimization scheme of the utility model, one side that four grip blocks 6 are relative all is provided with the rubber pad.

In this embodiment: the rubber pad increases the friction between the bolt rod 11 and the clamping block 6, and improves the fixation firmness.

As a technical optimization scheme of the utility model, the triangular groove has all been seted up to one side that last clamp splice 15 is relative with lower clamp splice 17.

In this embodiment: when the upper clamping block 15 and the lower clamping block 17 clamp the bolt rod 11, the bolt rod 11 is clamped between the two triangular grooves to fix the bolt rod 11.

As a technical optimization scheme of the utility model, four fixing bolt 18 of up end threaded connection of workstation 1.

In this embodiment: the four fixing bolts 18 can fix the workbench 1 on the ground, so that the overall stability of the equipment is improved.

The working principle is as follows: when the auxiliary fixture for milling the large stainless steel hexagonal bolt is used, a bolt rod 11 is inserted into a fixed cylinder 4, then four screw rods 5 are adjusted according to the diameters of the screw rods, a knob 7 is screwed, the knob 7 drives the screw rods 5 and a clamping block 6 to move until the screw rods 5 and the clamping block 6 abut against the outer wall of the bolt rod 11, the bolt rod 11 is firmly fixed, the bolt rod 11 is clamped and fixed conveniently and quickly and can be suitable for bolts with different diameters and different specifications, the application range is enlarged, an inner cylinder 9 can rotate inside an outer cylinder 3 by arranging a ball 10, the outer cylinder 3 is fixedly connected with a workbench 1 through a fixed rod 2, the angle can be flexibly adjusted by rotating the bolt rod 11, after the bolts are clamped and fixed and adjusted, a first air cylinder 14 and a second air cylinder 16 are started, an upper clamping block 15 and a lower clamping block 17 are drawn close to the bolt rod 11, the bolt rod 11 is clamped and fixed firmly, when the angle needs to be adjusted again, the upper clamping block 15 and the lower clamping block 17 are adjusted, and the bolt rod 11 is loosened.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a big hex bolts of stainless steel mills side auxiliary fixture, includes workstation (1), its characterized in that: the upper end face of the workbench (1) is fixedly connected with two fixing rods (2), the upper end faces of the two fixing rods (2) are fixedly connected with an outer barrel (3), a fixing barrel (4) is arranged inside the outer barrel (3), the outer wall of the fixing barrel (4) is connected with a plurality of screw rods (5) in a penetrating manner through threads, one ends, opposite to the screw rods (5), are fixedly connected with clamping blocks (6), bolt rods (11) are abutted between the clamping blocks (6), two ends of each bolt rod (11) extend to two sides of the outer barrel (3) respectively, the left side of each bolt rod (11) is fixedly connected with a bolt head (12), one ends, opposite to each other, of the screw rods (5) are fixedly connected with knobs (7), the outer wall of the fixing barrel (4) is fixedly connected with four uniformly distributed supporting plates (8), and the other ends of the four supporting plates (8) are fixedly connected with an inner barrel (9), a plurality of groups of balls (10) are movably connected between the outer wall of the inner cylinder (9) and the inner wall of the outer cylinder (3).

2. The auxiliary clamp for milling the large stainless steel hexagon bolt according to claim 1, characterized in that: the utility model discloses a quick-witted, including urceolus (3), top is provided with roof (13), first cylinder (14) are installed to the lower terminal surface of roof (13), clamp splice (15) are gone up to the lower terminal surface fixedly connected with of first cylinder (14), second cylinder (16) are installed on the up end right side of workstation (1), clamp splice (17) under the up end fixedly connected with of second cylinder (16), shank of bolt (11) are located between clamp splice (15) and lower clamp splice (17).

3. The auxiliary clamp for milling the large stainless steel hexagon bolt according to claim 1, characterized in that: the four screw rods (5) are arranged and are respectively positioned on the horizontal axis and the vertical axis in pairs.

4. The auxiliary clamp for milling the large stainless steel hexagon bolt according to claim 1, characterized in that: and rubber pads are arranged on one sides of the four clamping blocks (6) opposite to each other.

5. The auxiliary clamp for milling the large stainless steel hexagon bolt according to claim 2, wherein: and triangular grooves are formed in the opposite sides of the upper clamping block (15) and the lower clamping block (17).

6. The auxiliary clamp for milling the large stainless steel hexagon bolt according to claim 1, characterized in that: the upper end face of the workbench (1) is in threaded connection with four fixing bolts (18).