CN213673703U

CN213673703U - Bar clamping device

Info

Publication number: CN213673703U
Application number: CN202022178054.0U
Authority: CN
Inventors: 王灿
Original assignee: Kunshan Shunhengsheng Hardware Machinery Co ltd
Current assignee: Kunshan Shunhengsheng Hardware Machinery Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-07-13
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a bar clamping device, which comprises a fixed seat, wherein the top surface of the fixed seat is provided with a clamping groove, one side of the bottom end of the fixed seat is fixedly provided with a fixed block, the top surface of the fixed block is provided with a groove, the two sides of the inner wall of the groove are welded with fixed rods, the outer surface of each fixed rod is sleeved with a fixture block, the bottom surface of each fixture block is provided with an inner groove, the inner wall of the outer surface of each fixed rod, which is positioned in the inner groove, is sleeved with a torsional spring, one end of the torsional spring is fixed with the inner wall of; the protective cotton on the fixture block is matched with the inner wall of the clamping groove, the inner bar is clamped and fixed, the screw rod is screwed with the inner wall of the limiting block, the rotating angle of the fixture block can be adjusted at will, and therefore the fixture block is suitable for clamping bars with different diameters, the practical effect is stronger, and the operation is simpler.

Description

Bar clamping device

Technical Field

The utility model belongs to the technical field of metalwork processing, concretely relates to bar material clamping device.

Background

The progress of human society is closely related to the processing and application of metal materials, brass is smelted six thousand years ago, simple bronze tools can be manufactured four thousand years ago, modern society often processes metal materials into articles, parts and assemblies, large parts of bridges, ships and the like and even fine assemblies of engines are widely applied to different fields of science, industry, artworks, handicraft and the like, bar materials are generally raw materials of metal forgings and are mostly drawn or extruded through dies, and the bar materials can be fixed by using a clamping device to machine the surfaces of the bar materials.

However, when a metal part is machined, the conventional clamping device is more complicated to operate, the clamping effect is poor, the surface of a bar is easily damaged when the bar is clamped too tightly, and the good clamping effect is difficult to achieve.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model aims to provide a bar material clamping device, through rotating the carousel, drive the inside screw motion of screw rod at the stopper, make stay cord winding on the screw rod at the surface of screw rod, pull the fixture block at the other end, the pulling fixture block rotates around the dead lever, the torsional spring also is in the state of compression, finally make the inner wall cooperation in protection cotton and the centre gripping groove on the fixture block, it is fixed to carry out the centre gripping with the bar of inside, the inner wall of screw rod and stopper closes soon simultaneously, the turned angle of fixture block can be adjusted at will, thereby the bar centre gripping of the different diameter specifications of adaptation, the practical function is stronger, the operation is technical effect also more simple.

In order to achieve the above object, the utility model provides a following technical scheme: a bar clamping device comprises a fixed seat, wherein a clamping groove is formed in the surface of the top end of the fixed seat, a fixed block is fixedly arranged on one side of the bottom end of the fixed seat, a groove is formed in the top surface of the fixed block, fixed rods are welded on two sides of the inner wall of the groove, a clamping block is sleeved on the outer surface of each fixed rod, an inner groove is formed in the bottom surface of each clamping block, a torsion spring is sleeved on the inner wall, positioned in the inner groove, of the outer surface of each fixed rod, one end of each torsion spring is fixed to the inner wall of the inner groove, the other end of each torsion spring is positioned on the outer surface of the corresponding fixed rod, a clamping groove is formed in one side, positioned in the clamping groove, of the top end of each clamping block, protective cotton is arranged on the, the inside of stopper runs through the spiral and is equipped with the screw rod, the other end of stay cord is in the fixed surface of screw rod, the one end of screw rod is equipped with the carousel.

As a preferred technical scheme of the utility model, a side fixed surface of protective cotton is equipped with the lug, the inner wall surface of draw-in groove is seted up flutedly for the surface block of lug, the through-hole has been seted up on the roof surface of recess, the inside of through-hole is provided with the bolt, the top surface of lug has seted up the thread groove for the bottom spiral of bolt.

As a preferred technical scheme of the utility model, the surface cover of stay cord is equipped with the rubber sleeve, the stay cord is fixed with the surface veneer of screw rod.

As an optimal technical scheme of the utility model, the surface of carousel is equipped with changes the handle, change and seted up anti-skidding line to the surface.

As an optimal technical scheme of the utility model, the top surface in centre gripping groove is equipped with the foam-rubber cushion, the bottom surface of fixing base is provided with the supporting seat.

As an optimal technical scheme of the utility model, the surface of bolt is equipped with the wearing layer, lubricating oil has been paintd to the surface of bolt.

As an optimal technical scheme of the utility model, the perpendicular cross sectional dimension of lug is the same with the perpendicular cross sectional dimension of recess, hexagonal antiskid ribbed tile has been seted up to the top surface of bolt.

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

1. through rotating the carousel, drive the inside screw motion of screw rod at the stopper, make stay cord winding on the screw rod at the surface of screw rod, pull the fixture block at the other end, the pulling fixture block rotates around the dead lever, the torsional spring also is in the state of compression, finally make the inner wall cooperation in protection cotton and the centre gripping groove on the fixture block, it is fixed to carry out the centre gripping with the bar of inside, the inner wall of screw rod and stopper closes soon simultaneously, the turned angle of fixture block can be adjusted at will, thereby adapt to the bar centre gripping of different diameter specifications, and utilize protection cotton and bar to contact, damage when reducing the centre gripping, the practical function is better, the operation is also more simple.

2. Through the separation spiral of the thread groove in bolt and the lug for the lug loses the restriction, can take out the lug from the recess, takes out the protection cotton and changes, avoids long-term use back protection cotton's surface and bar contact to cause wearing and tearing, regularly changes, guarantees that the centre gripping is more fastened, and the accuracy is higher, improves the centre gripping effect, and its structure is more simple, the simple operation.

Drawings

FIG. 1 is a sectional view of the structure of the bar clamping device of the present invention;

FIG. 2 is a top view of the bar clamping device of the present invention;

FIG. 3 is a partial side view of the fixture block rotating structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

in the figure: 1. a fixed seat; 2. a clamping groove; 3. a fixed block; 4. grooving; 5. fixing the rod; 6. a clamping block; 7. an inner tank; 8. a torsion spring; 9. protective cotton; 10. pulling a rope; 11. rope grooves; 12. a limiting block; 13. a screw; 14. a turntable; 15. a card slot; 16. a bump; 17. a groove; 18. a through hole; 19. a bolt; 20. a thread groove.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a bar material clamping device comprises a fixed seat 1, a clamping groove 2 is arranged on the surface of the top end of the fixed seat 1, a fixed block 3 is fixedly arranged on one side of the bottom end of the fixed seat 1, a groove 4 is arranged on the top surface of the fixed block 3, fixed rods 5 are welded on two sides of the inner wall of the groove 4, a fixture block 6 is sleeved on the outer surface of each fixed rod 5, an inner groove 7 is arranged on the bottom surface of the fixture block 6, a torsion spring 8 is sleeved on the inner wall, positioned on the outer surface of the inner groove 7, of the outer surface of the fixed rod 5, one end of the torsion spring 8 is fixed with the inner wall of the inner groove 7, positioned on the outer surface of the fixed rod 5, the other end of the torsion spring 8 is fixed on the outer surface of the fixed rod 5, a clamping groove 15 is arranged on one side, positioned on the clamping groove, a screw 13 is spirally arranged inside the limiting block 12 in a penetrating manner, the other end of the pull rope 10 is fixed on the surface of the screw 13, and a rotary disc 14 is arranged at one end of the screw 13.

Can direct rotation carousel 14, drive screw rod 13 at the inside spiral of stopper 12, make stay cord 10 on screw rod 13 surface can twine on screw rod 13's surface, pull fixture block 6 at the other end, make fixture block 6 rotate around dead lever 5, torsional spring 8 is in the state of compression, finally make the protection cotton 9 on fixture block 6 top and the inner wall cooperation in centre gripping groove 2, bar centre gripping inside is fixed, screw rod 13 closes with stopper 12's inner wall soon simultaneously, adjust the turned angle of fixture block 6 at will, thereby adapt to the bar centre gripping of different diameter specifications, the operation is simpler, and the practicality is stronger.

In another embodiment, as shown in fig. 1 and 4, a convex block 16 is fixedly arranged on one side surface of the protective cotton 9, a groove 17 is formed in the inner wall surface of the clamping groove 15 in a clamping manner relative to the outer surface of the convex block 16, a through hole 18 is formed in the top wall surface of the groove 17, a bolt 19 is arranged inside the through hole 18, and a thread groove 20 is spirally formed in the top surface of the convex block 16 relative to the bottom end of the bolt 19; through rotating bolt 19 for the bottom of bolt 19 breaks away from the spiral with the inner wall of thread groove 20, makes lug 16 lose the restriction, can take out lug 16 from the inner wall of recess 17, takes out protective cotton 9 and changes, avoids long-term use back protective cotton 9's surface and bar contact to cause wearing and tearing, thereby influences the centre gripping effect, regularly changes, guarantees that the centre gripping is more firm, and the accuracy is higher, and the structure is simpler, the simple operation.

In another embodiment, as shown in fig. 1 and 2, the embodiment discloses that a rubber sleeve is sleeved on the outer surface of the pull rope 10, and the pull rope 10 is glued and fixed with the outer surface of the screw 13; utilize the end rubber sleeve to protect the stay cord, avoid it to take place wearing and tearing when the screw rod surface winding, guarantee its life.

In another embodiment, as shown in fig. 2, the embodiment discloses that the surface of the turntable 14 is provided with a rotating handle, the surface of the rotating handle is provided with anti-skid grains, and the rotating handle is directly rotated, so that the rotating handle is easier and more labor-saving.

In another embodiment, as shown in fig. 1 and fig. 2, the embodiment discloses that a sponge cushion is arranged on the top surface of the clamping groove 2, and a supporting seat is arranged on the bottom end surface of the fixed seat 1; the spongy cushion is contacted with the bar stock, so that the surface abrasion of the contact bar stock is reduced, and the surface damage of the bar stock is prevented.

In another embodiment, as shown in fig. 1 and 4, the embodiment discloses that the surface of the bolt 19 is provided with a wear-resistant layer, and the outer surface of the bolt 19 is coated with lubricating oil; lubricating oil is used for protecting the surface of the bolt, so that the service life of the bolt is prolonged, and the bolt is easy to rotate.

In another embodiment, as shown in fig. 1 and 4, the embodiment discloses that the vertical cross-sectional dimension of the protrusion 16 is the same as that of the groove 17, and the top surface of the bolt 19 is provided with a hexagonal anti-slip groove, so that the engagement and fastening of the protrusion are increased, and the stability of the device is enhanced.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bar material clamping device, includes fixing base (1), its characterized in that: the clamping groove (2) is formed in the surface of the top end of the fixing seat (1), the fixing block (3) is fixedly arranged on one side of the bottom end of the fixing seat (1), the notch (4) is formed in the top surface of the fixing block (3), the fixing rods (5) are welded on two sides of the inner wall of the notch (4), the clamping block (6) is sleeved on the outer surface of each fixing rod (5), the inner groove (7) is formed in the bottom surface of each clamping block (6), the torsion spring (8) is sleeved on the inner wall, located on the inner groove (7), of the outer surface of each fixing rod (5), one end of each torsion spring (8) is fixed to the inner wall of the corresponding inner groove (7), the other end of each torsion spring (8) is located on the outer surface of each fixing rod (5) and fixed, the clamping groove (15) is formed in, the outer fixed surface of fixture block (6) is equipped with stay cord (10), the surface that the inside of fixing base (1) is in stay cord (10) runs through and has seted up grooving (11), one side symmetry that fixture block (6) were kept away from in fixing base (1) is fixed and is equipped with stopper (12), the inside of stopper (12) runs through the spiral and is equipped with screw rod (13), the other end of stay cord (10) is in the fixed surface of screw rod (13), the one end of screw rod (13) is equipped with carousel (14).

2. A rod holding device according to claim 1, wherein: a convex block (16) is fixedly arranged on the surface of one side of the protective cotton (9), a groove (17) is formed in the inner wall surface of the clamping groove (15) in a clamping mode relative to the outer surface of the convex block (16), a through hole (18) is formed in the top wall surface of the groove (17), a bolt (19) is arranged inside the through hole (18), and a threaded groove (20) is formed in the top surface of the convex block (16) in a spiral mode relative to the bottom end of the bolt (19).

3. A rod holding device according to claim 1, wherein: the outer surface of the pull rope (10) is sleeved with a rubber sleeve, and the pull rope (10) is fixedly glued with the outer surface of the screw rod (13).

4. A rod holding device according to claim 1, wherein: the surface of the rotary disc (14) is provided with a rotary handle, and the surface of the rotary handle is provided with anti-skid grains.

5. A rod holding device according to claim 1, wherein: the top surface of centre gripping groove (2) is equipped with the foam-rubber cushion, the bottom surface of fixing base (1) is provided with the supporting seat.

6. A rod holding device according to claim 2, wherein: the surface of the bolt (19) is provided with a wear-resistant layer, and lubricating oil is smeared on the outer surface of the bolt (19).

7. A rod holding device according to claim 2, wherein: the vertical cross-sectional dimension of the convex block (16) is the same as that of the groove (17), and the top surface of the bolt (19) is provided with a hexagonal anti-skid groove.