CN201446153U

CN201446153U - Rolling head clamping device

Info

Publication number: CN201446153U
Application number: CN2009200416897U
Authority: CN
Inventors: 唐明
Original assignee: WUXI QIAOLIAN METALLURGICAL MACHINERY CO Ltd
Current assignee: WUXI QIAOLIAN HEAVY INDUSTRY DESIGN INSTITUTE CO., LTD.
Priority date: 2009-03-31
Filing date: 2009-03-31
Publication date: 2010-05-05
Anticipated expiration: 2019-03-31

Abstract

The utility model relates to a rolling head clamping device, wherein a draw rod is inserted in an inner hole of a hollow shaft in a sliding way, the right end portion of the draw rod is fixedly provided with a connecting seat, the right end portion of the connecting seat is fixedly provided with a holder, the connecting seat is fixedly connected with an axial nipper arranged on the outer side of a hollow shaft, the outer wall surface of the hollow shaft is provided with an axial key groove, a guide button is fixedly inserted in the key groove, the inner hole wall body of a pyramid is provided with a chute which is connected with the guiding key in a sliding way, one pyramid surface of the pyramid is connected with a jaw fan-shaped block which is radically retracted along the hollow shaft in a sliding way, an axial slotted hole is arranged on the jaw fan-shaped block, an axial nipper is arranged in the axial slotted hole, the other pyramid surfaces are connected with fan-shaped blocks which are radically contracted along the hollow shaft in a sliding way, a radical nipper is arranged in the axial slotted hole of the jaw fan-shaped block, and a working inclined surface is arranged on the radical nipper. The clamping force of the jaw which is acted on the rolling head is even, and are enabled not to happen belt dropping or belt breaking accidents easily when winding, the production is safe, and production cost is lowered.

Description

The volume head-clamp tightly installs

Technical field

The utility model relates to metallurgical cold-rolling equipment, and a kind of specifically volume head-clamp when being used for the coil of strip rolling tightly installs.

Background technology

In cold-rolling equipment, when coil of strip is delivered to winder in the slubbing operation of rolling, the volume head must be sent into jaw and clamp, the motor drives reel carries out rolling then.In original technology, the clamping mode of volume head is by injecting hydraulic oil to deep hole, 8 small oil tank jack-up, the corresponding raised volume head of clamping of jaw, but this structure main oil-hole (deep hole) and inclined-plane oilhole difficulty of processing height; Easy scratch, very easily leakage of oil when piston packing is installed; It is poor if having time that hydraulic oil enters oil pocket, makes 8 small oil tank actions asynchronous, and it is inhomogeneous to cause jaw to act on the chucking power of rolling up head, takes off band easily, and the broken belt accident takes place, and influences production safety, increases production cost.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, and even, the difficult volume head-clamp that takes off band or broken belt accident of the chucking power that provides a kind of jaw to act on the volume head tightly installs.

The technical scheme that provides according to the utility model; the tight device of described volume head-clamp comprises the hollow shaft of horizontally set; sliding plug has pull bar in the endoporus of hollow shaft; the right part of pull bar is fixed with Connection Block; the Connection Block right part is fixed with holder; the axial nipper in the described Connection Block and the hollow shaft outside is fixedly linked; axially nipper is provided with inclined working; described inclined working and hollow shaft axis are the antarafacial acute angle and intersect; offer axial keyway in the hollow shaft outside wall surface; fixing grafting feather key in keyway; hollow shaft has the pyramid of fixedlying connected with Connection Block outward; the endoporus wall body of pyramid is offered the chute with the feather key sliding plug; slidely connect jaw secter pat on a certain pyramidal surface of pyramid along the hollow shaft radial expansion; on the jaw secter pat, offer axial long hole; axially nipper is in this axial long hole; on all the other pyramidal surfaces, slidely connect along the secter pat of hollow shaft radial expansion; be provided with radially nipper in the axial long hole of jaw secter pat, radially nipper is provided with the inclined working of axial nipper and cooperates; and under axially the inclined working of nipper drives the nipper inclined working of drawing close or separating radially to the jaw secter pat.

Sit the guider that has opening to be provided with towards the right side in the hollow shaft right part, have spring in the guider, the left part of Connection Block is against on the spring.Have section on the pyramid pyramidal surface and be the spacing fin of " T " font, offer the limited impression that cooperates with spacing fin at secter pat with jaw secter pat inner surface, spacing fin is slidingly connected in the described limited impression.

Offer along the stopper slot of hollow shaft on axially at axial nipper three, on the jaw secter pat, be fixed with the guide blot that inserts in the stopper slot.On the hollow shaft of secter pat left part, be provided with radially pressing plate and slide plate.Adjacent two secter pat sidewalls and secter pat and jaw secter pat sidewall are provided with the step body that plugs together mutually.

The chucking power that the utility model jaw acts on the volume head is even, makes to be not easy to take off band or broken belt accident when reeling, and production safety has reduced production cost.

Description of drawings

Fig. 1 is an overall structure schematic diagram of the present utility model.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is the A-A cutaway view of Fig. 1.

Fig. 4 is the B-B cutaway view of Fig. 2.

Fig. 5 is the C-C cutaway view of Fig. 2.

The specific embodiment

The utility model is described in further detail below in conjunction with concrete drawings and Examples.

As shown in the figure: the tight device of this volume head-clamp comprises the hollow shaft 1 of horizontally set; sliding plug has pull bar 2 in the endoporus of hollow shaft 1; the right part of pull bar 2 is fixed with Connection Block 11; Connection Block 11 right parts are fixed with holder 13; described Connection Block 11 is fixedly linked with the axial nipper 6 in hollow shaft 1 outside; axially nipper 6 is provided with inclined working; described inclined working and hollow shaft 1 axis are the antarafacial acute angle and intersect; offer axial keyway in hollow shaft 1 outside wall surface; fixing grafting feather key 7 in keyway; has the pyramid 8 of fixedlying connected outside the hollow shaft 1 with Connection Block 11; the endoporus wall body of pyramid 8 is offered the chute with feather key 7 sliding plugs; slidely connect on a certain pyramidal surface of pyramid 8 along the jaw secter pat 5 of hollow shaft 1 radial expansion; on jaw secter pat 5, offer axial long hole; axially nipper 6 is in this axial long hole; on all the other pyramidal surfaces, slidely connect along the secter pat 12 of hollow shaft 1 radial expansion; be provided with radially nipper 15 in the axial long hole of jaw secter pat 5, radially nipper 15 is provided with the inclined working of axial nipper 6 and cooperates; and under axially the inclined working of nipper 6 drives nipper 15 inclined working of drawing close or separating radially to jaw secter pat 5.

Sit the guider 10 that has opening to be provided with towards the right side in hollow shaft 1 right part, have spring 9 in the guider 10, the left part of Connection Block 11 is against on the spring 9.Have section on pyramid 8 pyramidal surfaces and be the spacing fin of " T " font, offer the limited impression that cooperates with spacing fin at secter pat 12 with jaw secter pat 5 inner surfaces, spacing fin is slidingly connected in the described limited impression.

Offer along the stopper slot 20 of hollow shaft 1 on axially at axial nipper 6 three, on jaw secter pat 5, be fixed with the guide blot 17 that inserts in the stopper slot 20.On the hollow shaft 1 of secter pat 12 left parts, be provided with radially pressing plate 3 and slide plate 4.Adjacent two secter pats, 12 sidewalls and secter pat 12 are provided with the step body 21 that plugs together mutually with jaw secter pat 5 sidewalls.

Hollow shaft 1 is still in fixing position, radially leaves suitable gap between jaw 15 and the jaw secter pat 5 so that the insertion of coil of strip volume 16.As Fig. 1, shown in 2 (the action backs), pull bar 2 is action to the left under external force, nut 14, holder assembly 13, Connection Block 11, guider 10, spring 9, pyramid 8 moves to left along feather key 7 integral body under the drive of pull bar 2, jaw secter pat 5, slide plate 4, pressing plate 3, secter pat 12 is radial action under the ramp effect of pyramid 8, be installed in the jaw secter pat 5 axial nipper 6 and radially nipper 15 owing to the drive of guider 10, axially nipper 6 is along guide blot 17, packing ring 18, nut 19 moves axially, the axially skewed slot on the nipper 6 and radially the groove matched motion of nipper 15, make radially nipper 15 clamp coil of strip volume 16 along radial motion, steel plate clamped and finished this moment, hollow shaft 1 begins rotation under motor drives, winder is started working.

Claims

1. a volume head-clamp tightly installs; the hollow shaft (1) that comprises horizontally set; it is characterized in that: sliding plug has pull bar (2) in the endoporus of hollow shaft (1); the right part of pull bar (2) is fixed with Connection Block (11); Connection Block (11) right part is fixed with holder (13); described Connection Block (11) is fixedly linked with the axial nipper (6) in hollow shaft (1) outside; axially nipper (6) is provided with inclined working; described inclined working and hollow shaft (1) axis is the antarafacial acute angle and intersects; offer axial keyway in hollow shaft (1) outside wall surface; fixing grafting feather key (7) in keyway; has the pyramid (8) of fixedlying connected outside the hollow shaft (1) with Connection Block (11); the endoporus wall body of pyramid (8) is offered the chute with feather key (7) sliding plug; slidely connect on a certain pyramidal surface of pyramid (8) along the jaw secter pat (5) of hollow shaft (1) radial expansion; on jaw secter pat (5), offer axial long hole; axially nipper (6) is in this axial long hole; on all the other pyramidal surfaces, slidely connect along the secter pat (12) of hollow shaft (1) radial expansion; be provided with radially nipper (15) in the axial long hole of jaw secter pat (5), radially nipper (15) is provided with the inclined working of axial nipper (6) and cooperates; and under axially the inclined working of nipper (6) drives nipper (15) inclined working of drawing close or separating radially to jaw secter pat (5).

2. volume head-clamp as claimed in claim 1 tightly installs, and it is characterized in that: sit the guider (10) that has opening to be provided with towards the right side in hollow shaft (1) right part, have spring (9) in the guider (10), the left part of Connection Block (11) is against on the spring (9).

3. volume head-clamp as claimed in claim 1 tightly installs, it is characterized in that: have the spacing fin that section is " T " font on pyramid (8) pyramidal surface, offer the limited impression that cooperates with spacing fin at secter pat (12) with jaw secter pat (5) inner surface, spacing fin is slidingly connected in the described limited impression.

4. volume head-clamp as claimed in claim 1 tightly installs, and it is characterized in that: offer along the stopper slot (20) of hollow shaft (1) on axially at axial nipper (6) three, be fixed with the guide blot (17) that inserts in the stopper slot (20) on jaw secter pat (5).

5. volume head-clamp as claimed in claim 1 tightly installs, and it is characterized in that: be provided with radially pressing plate (3) and slide plate (4) on the hollow shaft (1) of secter pat (12) left part.

6. volume head-clamp as claimed in claim 1 tightly installs, and it is characterized in that: adjacent two secter pats (12) sidewall and secter pat (12) are provided with the step body (21) that plugs together mutually with jaw secter pat (5) sidewall.