CN203991665U - A kind of mandrel stem clamping device of large-scale side charging double-roller cold pilger mill - Google Patents
A kind of mandrel stem clamping device of large-scale side charging double-roller cold pilger mill Download PDFInfo
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- CN203991665U CN203991665U CN201420424517.9U CN201420424517U CN203991665U CN 203991665 U CN203991665 U CN 203991665U CN 201420424517 U CN201420424517 U CN 201420424517U CN 203991665 U CN203991665 U CN 203991665U
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- mandrel stem
- gate
- chuck
- base
- mandrel
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Abstract
The utility model belongs to metallurgical machinery equipment field, be specifically related to a kind of mandrel stem clamping device of large-scale side charging double-roller cold pilger mill, comprise mandrel stem chuck, on the chuck base of mandrel stem chuck, be provided with chuck base slideway, mandrel stem dolly is installed on chuck base slideway, and the outer of chuck base slideway is movably installed with the gate base of a type; There is deep trouth at mandrel stem dolly middle part, and wedge is vertically installed in this deep trouth, and the front end of mandrel stem dolly is provided with the splined shaft that connects mandrel stem; Gate base top is vertically provided with gate, and the upper end of gate connects clamping cylinder, and the bottom of gate is ramp structure, and this inclined-plane is relative and parallel to each other with the inclined-plane of wedge.Solve the seriously shortening bearing life of mandrel stem clamp mechanism that overcomes shift fork form in prior art, and the problem that is not suitable for large-scale side charging double-roller cold pilger mill, has composition and simplifies, characteristics of compact layout, keep in repair easy to adjustization, be easy to the advantages such as automation control.
Description
Technical field
The utility model belongs to metallurgical machinery equipment field, is specifically related to a kind of mandrel stem clamping device of large-scale side charging double-roller cold pilger mill.
Background technology
Mandrel stem clamp mechanism is the important component part of double-roller cold pilger mill, rolling tool plug is arranged on mandrel stem head, when rolling, mandrel stem clamp mechanism needs reliable grip mandrel stem, make it must not be along rolling centerline direction play, mandrel stem clamp mechanism is born the axial rolling force acting on mandrel stem, in the time that mandrel stem position is axially finely tuned, mandrel stem chuck in mandrel stem clamp mechanism, along moving horizontally in roll line direction, finally makes plug be positioned at rolling position accurately.The mandrel stem clamp mechanism that in prior art, double-roller cold pilger mill adopts, the shift fork forms that adopt promote sliding sleeve realization clamping more, axial rolling force is born by clamp mechanism bearing completely, the axial rolling force of large-scale two roller cold rolled tube milling trains is very big, can seriously shorten bearing life, in addition, the mandrel stem clamp mechanism of shift fork form is not suitable for large-scale side charging double-roller cold pilger mill yet, adjusts, uses very inconvenience.
Utility model content
The purpose of this utility model is that the mandrel stem clamp mechanism that overcomes shift fork form in prior art can seriously shorten bearing life, and is not suitable for the problem of large-scale side charging double-roller cold pilger mill.
For this reason, the utility model provides a kind of mandrel stem clamping device of large-scale side charging double-roller cold pilger mill, comprise mandrel stem chuck, on the chuck base of mandrel stem chuck, be provided with chuck base slideway, mandrel stem dolly is installed on chuck base slideway, and the outer of chuck base slideway is movably installed with the gate base of a type;
There is deep trouth at mandrel stem dolly middle part, and wedge is vertically installed in this deep trouth, and the front end of mandrel stem dolly is provided with the splined shaft that connects mandrel stem;
Gate base top is vertically provided with gate, and gate is through the upper surface of gate base, and the upper end of gate connects clamping cylinder, and the bottom of gate is ramp structure, and this inclined-plane is relative and parallel to each other with the inclined-plane of wedge.
One side of described gate base is connected with two locking cylinders, and opposite side is connected with two worm screw lifts, and described locking cylinder and worm screw lift are all separately fixed on chuck base.
Described mandrel stem clamping device also comprises mandrel stem drag-out device, mandrel stem chuck is arranged on one end of mandrel stem drag-out device, on mandrel stem drag-out device, be provided with mandrel stem drag-out device base slideway, this mandrel stem drag-out device base slideway is connected with chuck base slideway.
Described mandrel stem dolly bottom is provided with chain hinge pin installing plate, and the cross-under of chain hinge pin installing plate has driving chain, the output shaft of this driving chain solderless wrapped connection reductor, and described reductor connects motor.
On described worm screw lift, be provided with encoder.
The beneficial effects of the utility model: the mandrel stem clamping device of this large-scale side charging double-roller cold pilger mill of the present utility model, utilize wedge structure to carry out the clamping of mandrel stem, and can utilize locking cylinder and worm screw lift to finely tune, the composition of cold pilger mill is simplified, characteristics of compact layout, keep in repair easy to adjustization, be easy to automation control, overcome adjustment inconvenience in prior art, clamped the problems such as unreliable, and can ensure the accuracy of fine setting, axial rolling force is born by gate, transmits less than on bearing, can greatly improve bearing life.
Below with reference to accompanying drawing, the utility model is described in further details.
Brief description of the drawings
Fig. 1 is that mandrel stem clamping device is totally illustrated.
Fig. 2 is the structural representation of mandrel stem dolly.
Fig. 3 is clamping structure schematic diagram.
Fig. 4 is mandrel stem clamping device top view.
Description of reference numerals: 1, mandrel stem drag-out device; 2, mandrel stem dolly; 3, mandrel stem chuck; 4, splined shaft; 5, wedge; 6, chain hinge pin installing plate; 7, chuck base; 8, chuck base slideway; 9, locking cylinder; 10, gate base; 11, gate; 12, clamping cylinder; 13, worm screw lift; 14, reductor; 15, motor; 16, mandrel stem drag-out device base slideway.
Detailed description of the invention
For the mandrel stem clamp mechanism that overcomes shift fork form in prior art can seriously shorten bearing life, and be not suitable for the problem of large-scale side charging double-roller cold pilger mill.The utility model provides a kind of mandrel stem clamping device of large-scale side charging double-roller cold pilger mill, as shown in Figure 1 and Figure 4, comprise mandrel stem chuck 3, on the chuck base 7 of mandrel stem chuck 3, be provided with chuck base slideway 8, mandrel stem dolly 2 is installed on chuck base slideway 8, and the outer of chuck base slideway 8 is movably installed with the gate base 10 of a type; As shown in Figure 2, there is deep trouth at mandrel stem dolly 2 middle parts, and wedge 5 is vertically installed in this deep trouth, and the front end of mandrel stem dolly 2 is provided with the splined shaft 4 that connects mandrel stem; Gate base 10 tops are vertically provided with gate 11, and gate 11 is through the upper surface of gate base 10, and the upper end of gate 11 connects clamping cylinder 12, and the bottom of gate 11 is ramp structure, and this inclined-plane is relative and parallel to each other with the inclined-plane of wedge 5.
Mandrel stem is arranged on mandrel stem dolly 2 by splined shaft 4, mandrel stem dolly 2 can move back and forth along rolling centerline on chuck base slideway 8, mandrel stem dolly 2 carries mandrel stem in chuck base slideway 8 slides into gate base 10, now under clamping cylinder 12 impetuses, gate 11 moves downward, the inclined-plane of gate 11 bottoms can enter deep trouth on mandrel stem dolly 2 and with the extruding that cooperatively interacts of the inclined-plane of wedge 5, until fit completely with wedge 5, now realize the clamping of mandrel stem dolly 2, realize the clamping of mandrel stem, axial rolling force is born by gate completely.
Further, in order to realize fine setting, as shown in Figure 3, be connected with two locking cylinders 9 in a side of gate base 10, opposite side is connected with two worm screw lifts 13, and described locking cylinder 9 and worm screw lift 13 are all separately fixed on chuck base 7.
Gate base is placed on chuck base slideway 8, gate base 10 can move along rolling centerline direction, worm screw lift 13 is for gate base 10 fine position, after adjusting to the right place, compress gate base 10 with locking cylinder 9, on worm screw lift 13, be provided with encoder, guarantee rotational synchronization, locking cylinder 9 is by proportional valve control, guarantee that locking cylinder 9 displacements are synchronous, realized the fine setting of mandrel stem.
The mandrel stem clamping device of this large-scale side charging double-roller cold pilger mill also comprises mandrel stem drag-out device 1, mandrel stem chuck 3 is arranged on one end of mandrel stem drag-out device 1, on mandrel stem drag-out device 1, be provided with mandrel stem drag-out device base slideway 16, this mandrel stem drag-out device base slideway 16 is connected with chuck base slideway 8.
And mandrel stem dolly 2 bottoms are provided with chain hinge pin installing plate 6,6 cross-under of chain hinge pin installing plate have driving chain, the output shaft of this driving chain solderless wrapped connection reductor 14, and described reductor 14 connects motor 15.
Mandrel stem drag-out device 1 plays the effect of supporting mandrel stem dolly 2, primary structure is frame and its surperficial mandrel stem drag-out device base slideway 16, and this slideway chuck base slideway 8 connects can make dolly slide into chuck base slideway 8 from mandrel stem drag-out device base slideway 16.The mandrel stem dolly 2 that mandrel stem is housed is placed on mandrel stem drag-out device base slideway 16, and mandrel stem dolly 2 moves in the gate base 10 on chuck base slideway 8 can clamp operation.
The driving chain that the power of the movement of mandrel stem dolly 2 is installed by its chain hinge pin installing plate 6 provides, motor 15 makes driving chain circulation transmission by reductor 14, then can make mandrel stem dolly 2 move on mandrel stem drag-out device base slideway 16 and chuck base slideway 8, until arrive best clamped position.
In sum, the mandrel stem clamping device of this large-scale side charging double-roller cold pilger mill of the present utility model, adopts wedge structure, and the axial rolling force that utilizes gate to replace original bearing to bear, has a protective effect to bearing; Utilize locking cylinder and worm screw lift can realize the fine setting to clamping device; Single unit system composition is simplified, and characteristics of compact layout, keeps in repair easy to adjustization, is easy to automation control, has overcome adjustment inconvenience in prior art, has clamped the problems such as unreliable.
More than exemplifying is only to illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, within the every and same or analogous design of the utility model all belongs to protection domain of the present utility model.
Claims (5)
1. the mandrel stem clamping device of one kind large-scale side charging double-roller cold pilger mill, comprise mandrel stem chuck (3), on the chuck base (7) of mandrel stem chuck (3), be provided with chuck base slideway (8), mandrel stem dolly (2) is installed on chuck base slideway (8), it is characterized in that: the outer of chuck base slideway (8) is movably installed with the gate base (10) of a type;
There is deep trouth at mandrel stem dolly (2) middle part, and wedge (5) is vertically installed in this deep trouth, and the front end of mandrel stem dolly (2) is provided with the splined shaft (4) that connects mandrel stem;
Gate base (10) top is vertically provided with gate (11), gate (11) is through the upper surface of gate base (10), the upper end of gate (11) connects clamping cylinder (12), the bottom of gate (11) is ramp structure, and this inclined-plane is relative and parallel to each other with the inclined-plane of wedge (5).
2. the mandrel stem clamping device of large-scale side charging double-roller cold pilger mill as claimed in claim 1, it is characterized in that: a side of described gate base (10) is connected with two locking cylinders (9), opposite side is connected with two worm screw lifts (13), and described locking cylinder (9) and worm screw lift (13) are all separately fixed on chuck base (7).
3. the mandrel stem clamping device of large-scale side charging double-roller cold pilger mill as claimed in claim 1, it is characterized in that: described mandrel stem clamping device also comprises mandrel stem drag-out device (1), mandrel stem chuck (3) is arranged on one end of mandrel stem drag-out device (1), on mandrel stem drag-out device (1), be provided with mandrel stem drag-out device base slideway (16), this mandrel stem drag-out device base slideway (16) is connected with chuck base slideway (8).
4. the mandrel stem clamping device of large-scale side charging double-roller cold pilger mill as claimed in claim 1, it is characterized in that: described mandrel stem dolly (2) bottom is provided with chain hinge pin installing plate (6), chain hinge pin installing plate (6) cross-under has driving chain, the output shaft of this driving chain solderless wrapped connection reductor (14), described reductor (14) connects motor (15).
5. the mandrel stem clamping device of large-scale side charging double-roller cold pilger mill as claimed in claim 2, is characterized in that: on described worm screw lift (13), be provided with encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420424517.9U CN203991665U (en) | 2014-07-30 | 2014-07-30 | A kind of mandrel stem clamping device of large-scale side charging double-roller cold pilger mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420424517.9U CN203991665U (en) | 2014-07-30 | 2014-07-30 | A kind of mandrel stem clamping device of large-scale side charging double-roller cold pilger mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203991665U true CN203991665U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420424517.9U Withdrawn - After Issue CN203991665U (en) | 2014-07-30 | 2014-07-30 | A kind of mandrel stem clamping device of large-scale side charging double-roller cold pilger mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203991665U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148394A (en) * | 2014-07-30 | 2014-11-19 | 中国重型机械研究院股份公司 | Mandrel bar clamping device for large-scale side-loading double-roller cold pilgering mill |
| CN112692068A (en) * | 2020-12-30 | 2021-04-23 | 浙江传播者金属装饰材料有限公司 | Automatic core rod circulating device for rolling mill |
-
2014
- 2014-07-30 CN CN201420424517.9U patent/CN203991665U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148394A (en) * | 2014-07-30 | 2014-11-19 | 中国重型机械研究院股份公司 | Mandrel bar clamping device for large-scale side-loading double-roller cold pilgering mill |
| CN104148394B (en) * | 2014-07-30 | 2016-03-16 | 中国重型机械研究院股份公司 | A kind of mandrel stem clamping device of large-scale side charging double-roller cold pilger mill |
| CN112692068A (en) * | 2020-12-30 | 2021-04-23 | 浙江传播者金属装饰材料有限公司 | Automatic core rod circulating device for rolling mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20160316 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |