CN211538976U

CN211538976U - Core rod lock head and peripheral rolling mill

Info

Publication number: CN211538976U
Application number: CN201922230808.XU
Authority: CN
Inventors: 王志中; 朱智禄
Original assignee: Hengyang Valin Steel Tube Co Ltd
Current assignee: Hengyang Valin Steel Tube Co Ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-09-22
Anticipated expiration: 2029-12-12

Abstract

The utility model provides a core rod lock head and a peripheral rolling mill, wherein the core rod lock head comprises a lock head body, a mounting seat, a cover plate and a sliding part, wherein the lock head body is provided with a containing cavity, the upper part of the containing cavity is provided with an opening, and the containing cavity is used for placing a core rod; the mounting seat is arranged on the lock head body and provided with a sliding groove; the cover plate is arranged in a reciprocating manner and is provided with a limiting position and an avoiding position, wherein the limiting position is positioned above the opening to shield the core rod positioned in the accommodating cavity, and the avoiding position is separated from the opening to avoid the core rod; the sliding part is arranged on the mounting seat in a sliding mode, the sliding part is matched with the sliding groove to slide along the extending direction of the sliding groove, and the sliding part is in driving connection with the cover plate. Adopt above-mentioned scheme, the smooth and easy slip of accessible sliding part and the cooperation realization sliding part on the mount pad of spout can drive the apron through the sliding part and smoothly move like this to avoided the dead problem of card to appear when the plug tapered end uses, ensured going on smoothly of production, simple structure is convenient for the dismouting moreover.

Description

Core rod lock head and peripheral rolling mill

Technical Field

The utility model relates to a roll tub equipment technical field particularly, relate to a plug tapered end and week rolling mill.

Background

The mandrel lock is a key device of a periodic tube rolling mill (a peripheral rolling mill for short, the original name pilger mill, introduced abroad), and is used for locking a mandrel with a capillary tube during rolling so as to send the capillary tube into the rolling mill for rolling, clamping the mandrel after the rolling is finished for stripping, opening a cover plate after the stripping is finished, and picking out the mandrel by a special mandrel picking-out table. Due to the rolling characteristic of the peripheral rolling mill, the core rod lock head is subjected to larger impact vibration. In the existing core rod lock, the locking fault is easy to occur when in use, and the production is influenced.

Disclosure of Invention

The utility model provides a plug tapered end and all rolling mills to solve the dead problem of easy card of plug tapered end when using among the prior art.

In order to solve the above problem, according to the utility model discloses an aspect, the utility model provides a plug tapered end, include: the lock head body is provided with an accommodating cavity, the upper part of the accommodating cavity is provided with an opening, and the accommodating cavity is used for placing a core rod; the mounting seat is arranged on the lock head body and is provided with a sliding groove; the cover plate is arranged in a reciprocating manner and provided with a limiting position and an avoiding position, wherein the limiting position is positioned above the opening to shield the core rod positioned in the accommodating cavity, and the avoiding position is away from the opening to avoid the core rod; the sliding part is arranged on the mounting seat in a sliding mode, the sliding part is matched with the sliding groove to slide along the extending direction of the sliding groove, and the sliding part is in driving connection with the cover plate.

Further, the cover plate has a mounting groove, the shape of the end of the sliding part matches with the mounting groove, and the cover plate is detachably connected to the sliding part through the mounting groove.

Further, the end of the cover plate has a guide surface that is disposed obliquely with respect to the vertical direction.

Further, the core rod lock head further comprises: the elastic part is arranged on the mounting seat and matched with the sliding part, and the elastic part is used for applying elastic force to the sliding part so as to keep the cover plate at the limiting position.

Further, the sliding part comprises a push plate and a pull block arranged on the push plate in a protruding mode, the push plate is matched with the sliding groove, and at least one part of the elastic part is arranged in a cavity of the push plate.

Further, the mount pad includes slide, preceding baffle and backplate, the slide is fixed to be set up on the tapered end body, the spout is located on the slide, preceding baffle with backplate interval sets up on the slide, draw the piece to be located before the baffle with between the backplate.

Furthermore, the elastic part comprises an elastic structure and a plug arranged at one end of the elastic structure, at least one part of the elastic structure is arranged in the cavity of the push plate, and the plug is arranged on the rear baffle.

Further, the rear baffle is provided with a mounting hole, and the plug is detachably arranged in the mounting hole.

Furthermore, the mounting hole comprises a first through hole and a second through hole which are connected with each other, the plug comprises a first connecting piece and a second connecting piece which are connected with each other, the first connecting piece is connected with the elastic structure, the radial size of the first connecting piece is larger than that of the second connecting piece, the first connecting piece is in limit fit with the end face in the first through hole, and the second connecting piece is arranged in the second through hole.

Furthermore, the plug is rotatably arranged, an avoiding groove is formed in the inner wall of the second through hole, and the avoiding groove extends along the axial direction of the second through hole; when the first connecting piece rotates to a position corresponding to the avoiding groove, the plug can be pulled out of the avoiding groove or inserted into the mounting hole; and the first connecting piece rotates to the position staggered with the avoiding groove, and the first connecting piece is in limit fit with the end face in the first through hole.

Furthermore, the core rod lock head also comprises a bolt, and the bolt is inserted into the rear baffle and the plug in a pluggable manner so as to limit the relative positions of the plug and the rear baffle in the circumferential direction.

According to another aspect of the present invention, there is provided a peripheral rolling mill comprising the above-mentioned mandrel lock.

The technical scheme of the utility model provides a core rod lock head, which comprises a lock head body, a mounting seat, a cover plate and a sliding part, wherein the lock head body is provided with an accommodating cavity, the upper part of the accommodating cavity is provided with an opening, and the accommodating cavity is used for placing a core rod; the mounting seat is arranged on the lock head body and provided with a sliding groove; the cover plate is arranged in a reciprocating manner and is provided with a limiting position and an avoiding position, wherein the limiting position is positioned above the opening to shield the core rod positioned in the accommodating cavity, and the avoiding position is separated from the opening to avoid the core rod; the sliding part is arranged on the mounting seat in a sliding mode, the sliding part is matched with the sliding groove to slide along the extending direction of the sliding groove, and the sliding part is in driving connection with the cover plate. By adopting the scheme, smooth sliding of the sliding part on the mounting seat can be realized through the matching of the sliding part and the sliding groove, and the cover plate can be driven to move smoothly through the sliding part, so that the problem that the core rod lock head is blocked when in use is avoided, and smooth production is ensured.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural diagram of a core rod lock head according to an embodiment of the present invention;

FIG. 2 shows a cross-sectional view of the core lock cylinder of FIG. 1;

fig. 3 shows a top view of the core lock cylinder from fig. 1.

Wherein the figures include the following reference numerals:

10. a lock body; 11. an accommodating chamber; 20. a mounting seat; 21. a chute; 22. a slide base; 23. a front baffle; 24. a tailgate; 30. a cover plate; 31. mounting grooves; 32. a guide surface; 40. a sliding part; 41. pushing the plate; 42. pulling the block; 50. an elastic portion; 51. an elastic structure; 52. a plug; 53. a first connecting member; 54. a second connecting member; 60. and (4) a bolt.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in the accompanying drawings, an embodiment of the present invention provides a core rod lock, including: the lock head comprises a lock head body 10, wherein the lock head body 10 is provided with an accommodating cavity 11, the upper part of the accommodating cavity 11 is provided with an opening, and the accommodating cavity 11 is used for placing a core rod; the mounting seat 20 is arranged on the lock cylinder body 10, and the mounting seat 20 is provided with a sliding groove 21; a cover plate 30 provided to be movable back and forth, the cover plate 30 having a limit position located above the opening to shield the mandrel located in the accommodating chamber 11 and an escape position away from the opening to escape the mandrel; and a sliding part 40 slidably disposed on the mounting seat 20, the sliding part 40 cooperating with the sliding slot 21 to slide along the extending direction of the sliding slot 21, the sliding part 40 being drivingly connected with the cover plate 30.

The technical scheme of the utility model provides a core rod lock head, which comprises a lock head body 10, a mounting seat 20, a cover plate 30 and a sliding part 40, wherein the lock head body 10 is provided with an accommodating cavity 11, the upper part of the accommodating cavity 11 is provided with an opening, and the accommodating cavity 11 is used for placing a core rod; the mounting seat 20 is arranged on the lock cylinder body 10, and the mounting seat 20 is provided with a sliding groove 21; the cover plate 30 is provided to be movable back and forth, and the cover plate 30 has a limit position located above the opening to shield the mandrel located in the accommodating chamber 11 and an escape position away from the opening to escape the mandrel; the sliding part 40 is slidably disposed on the mounting seat 20, the sliding part 40 is engaged with the sliding groove 21 to slide along the extending direction of the sliding groove 21, and the sliding part 40 is drivingly connected with the cover plate 30. By adopting the scheme, smooth sliding of the sliding part 40 on the mounting seat 20 can be realized through the matching of the sliding part 40 and the sliding groove 21, and the cover plate 30 can be driven to move smoothly through the sliding part 40, so that the problem of blocking of the core rod lock head in use is avoided, and smooth production is guaranteed. Moreover, the structure is simple, the manufacturing cost of the core rod lock head is reduced, and the assembly is convenient. In this embodiment, the two sliding grooves 21 may be disposed oppositely, and two sides of the sliding portion 40 respectively cooperate with the two sliding grooves 21, so as to further improve stability and reliability, and to be more stable and reliable under impact vibration.

In the present embodiment, the cover plate 30 has a mounting groove 31, the end of the sliding part 40 is shaped to match the mounting groove 31, and the cover plate 30 is detachably coupled to the sliding part 40 through the mounting groove 31. With the above arrangement, the cover plate 30 and the sliding portion 40 can be easily attached and detached. In the embodiment, the cover plates 30 are a plurality of cover plates 30 with different sizes, and the mounting grooves 31 of different cover plates 30 are the same, so that the cover plates 30 with different sizes can be selected to be connected with the sliding part 40 according to requirements, and the universality is improved.

Alternatively, the mounting groove 31 has a T-shaped structure, the mounting groove 31 has a plurality of inner walls, and the joint of adjacent inner walls has a transition fillet, so that stress concentration can be avoided and assembly is facilitated.

Optionally, the edge of the cover 30 is located in the sliding groove 21 to provide a guiding and limiting function for the cover 30.

Alternatively, the end of the sliding part 40 has a slot into which a portion of the structure of the cover plate 30 can be inserted, so that the cover plate 30 and the sliding part 40 are limited in the moving direction, thereby improving the reliability of the connection.

In the present embodiment, the end of the cover plate 30 has a guide surface 32, and the guide surface 32 is provided obliquely with respect to the vertical direction. Through the arrangement, the core rod can be conveniently dropped into the accommodating cavity 11.

In this embodiment, the plug lock further includes: and an elastic part 50 disposed on the mounting seat 20, wherein the elastic part 50 is engaged with the sliding part 40, and the elastic part 50 is used for applying an elastic force to the sliding part 40 so as to keep the cover plate 30 at a limit position. Through the above arrangement, the cover plate 30 can be prevented from automatically moving, and the reliability is improved. When the cover plate 30 needs to be moved from the limit position to the escape position, the sliding portion 40 is driven by an external device, so that the sliding portion 40 overcomes the elastic force of the elastic portion 50, thereby realizing the movement of the cover plate 30. After the external device is separated, the cover plate 30 is automatically moved to the limit position by the elastic force of the elastic part 50.

In this embodiment, the sliding portion 40 includes a push plate 41 and a pull block 42 protrudingly provided on the push plate 41, the push plate 41 is engaged with the slide groove 21, and at least a portion of the elastic portion 50 is provided in a cavity of the push plate 41. With the above arrangement, the elastic portion 50 can be prevented from being exposed, and thus the elastic portion 50 can be protected.

In this embodiment, the mounting seat 20 includes a sliding seat 22, a front baffle 23 and a rear baffle 24, the sliding seat 22 is fixedly disposed on the lock body 10, the sliding groove 21 is disposed on the sliding seat 22, the front baffle 23 and the rear baffle 24 are disposed on the sliding seat 22 at an interval, and the pull block 42 is disposed between the front baffle 23 and the rear baffle 24. The moving range of the slide 40 can be defined by the front barrier 23 and the rear barrier 24. The pull block 42 is used to mate with an external device.

Optionally, the mounting base 20 further includes spacing bars, two spacing bars are disposed on the sliding base 22, and the pull block 42 is located between the two spacing bars. This allows the pull block 42 to be guided and restrained by two restraining strips.

In this embodiment, the elastic portion 50 includes an elastic structure 51 and a plug 52 disposed at one end of the elastic structure 51, at least a portion of the elastic structure 51 is disposed in the cavity of the push plate 41, and the plug 52 is disposed on the back plate 24. The elastic structure 51 is used for applying elastic force, and the plug 52 is used for limiting the elastic structure 51.

Alternatively, the elastic structure 51 may be provided as a gas spring. The push plate 41 is provided with a vent hole communicated with the cavity of the push plate 41.

In this embodiment, the tailgate 24 has a mounting hole in which the plug 52 is removably disposed. Through the arrangement, the elastic part 50 can be detached and replaced, and the influence on production caused by the damage of the elastic part 50 is avoided.

In this embodiment, the mounting hole includes a first through hole and a second through hole connected to each other, the plug 52 includes a first connecting member 53 and a second connecting member 54 connected to each other, the first connecting member 53 is connected to the elastic structure 51, a radial dimension of the first connecting member 53 is greater than a radial dimension of the second connecting member 54, the first connecting member 53 is in limit fit with an end face in the first through hole, and the second connecting member 54 is disposed in the second through hole. With the arrangement, the plug 52 and the mounting hole are reliably limited, and the bearing capacity of the elastic part 50 is ensured.

In this embodiment, the plug 52 is rotatably disposed, and the inner wall of the second through hole has an avoiding groove extending along the axial direction of the second through hole; when the first connecting piece 53 rotates to correspond to the avoiding groove, the plug 52 can be pulled out of the avoiding groove or inserted into the mounting hole; under the condition that the first connecting piece 53 rotates to be staggered with the avoiding groove, the first connecting piece 53 is in limit fit with the end face in the first through hole. Due to the arrangement, the plug 52 can be conveniently disassembled and assembled, the elastic structure 51 can be pulled out by pulling out the plug 52, the operation efficiency is improved, online disassembly and assembly can be realized, and the influence on production is avoided.

In this embodiment, the plug lock cylinder further includes a plug pin 60, and the plug pin 60 is removably insertable into the endgate 24 and the plug 52 to define the relative positions of the plug 52 and the endgate 24 in the circumferential direction. Security may be enhanced by providing latch 60. When the elastic part 50 needs to be detached, the elastic part 50 can be detached after the latch 60 is pulled out.

Optionally, the core rod lock further comprises a stopper, which is disposed on an inner wall of the accommodating cavity 11 in a protruding manner. The end of the core rod can be limited by the stop block, and reliability is improved.

Another embodiment of the present invention provides a peripheral rolling mill, which comprises the above mandrel lock. By adopting the scheme, smooth sliding of the sliding part 40 on the mounting seat 20 can be realized through the matching of the sliding part 40 and the sliding groove 21, and the cover plate 30 can be driven to move smoothly through the sliding part 40, so that the problem of blocking of the core rod lock head in use is avoided, and smooth production is guaranteed. Moreover, the structure is simple, the manufacturing cost of the core rod lock head is reduced, and the assembly is convenient. The scheme improves the reliability of the peripheral rolling mill and reduces the failure rate. The core rod lock head provided by the scheme is simple in structure, the formed parts are greatly reduced, the core rod lock head is suitable for the working condition with complex site, the performance is stable, the gas spring is replaced more quickly, and waste is avoided.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

Claims

1. A core rod lock, comprising:

the core rod locking device comprises a locking head body (10), wherein the locking head body (10) is provided with an accommodating cavity (11), the upper part of the accommodating cavity (11) is provided with an opening, and the accommodating cavity (11) is used for placing a core rod;

the mounting seat (20) is arranged on the lock head body (10), and the mounting seat (20) is provided with a sliding groove (21);

the cover plate (30) is arranged in a reciprocating manner, and the cover plate (30) is provided with a limiting position and an avoiding position, wherein the limiting position is positioned above the opening to shield the core rod in the accommodating cavity (11), and the avoiding position is away from the opening to avoid the core rod;

the sliding part (40) is slidably arranged on the mounting seat (20), the sliding part (40) is matched with the sliding groove (21) to slide along the extending direction of the sliding groove (21), and the sliding part (40) is in driving connection with the cover plate (30).

2. The core rod lock according to claim 1, characterized in that the cover plate (30) has a mounting groove (31), the end of the sliding part (40) being shaped to match the mounting groove (31), the cover plate (30) being detachably connected to the sliding part (40) via the mounting groove (31).

3. The plug lock according to claim 1, characterized in that the end of the cover plate (30) has a guide surface (32), which guide surface (32) is arranged obliquely with respect to the vertical.

4. The plug lock of claim 1, further comprising:

the elastic part (50) is arranged on the mounting seat (20), the elastic part (50) is matched with the sliding part (40), and the elastic part (50) is used for applying elastic force to the sliding part (40) so that the cover plate (30) is kept at the limiting position.

5. The plug lock according to claim 4, wherein the sliding portion (40) comprises a push plate (41) and a pull block (42) convexly disposed on the push plate (41), the push plate (41) cooperating with the slide slot (21), at least a portion of the resilient portion (50) being disposed within a cavity of the push plate (41).

6. The core rod lock according to claim 5, wherein the mounting seat (20) comprises a slide (22), a front stop plate (23) and a rear stop plate (24), the slide (22) is fixedly disposed on the lock body (10), the slide groove (21) is disposed on the slide (22), the front stop plate (23) and the rear stop plate (24) are disposed on the slide (22) at intervals, and the pull block (42) is disposed between the front stop plate (23) and the rear stop plate (24).

7. The plug lock according to claim 6, wherein the resilient portion (50) includes a resilient structure (51) and a plug (52) disposed at one end of the resilient structure (51), at least a portion of the resilient structure (51) being disposed within the cavity of the push plate (41), the plug (52) being disposed on the tailgate (24).

8. The plug lock according to claim 7, wherein the tailgate (24) has a mounting bore, and the plug (52) is removably disposed within the mounting bore.

9. The plug lock according to claim 8, wherein the mounting bore comprises a first and a second interconnected through-bore, wherein the plug (52) comprises a first and a second interconnected connecting piece (53, 54), wherein the first connecting piece (53) is connected to the spring structure (51), wherein the first connecting piece (53) has a radial dimension which is greater than the radial dimension of the second connecting piece (54), wherein the first connecting piece (53) is in a positive-locking engagement with an end face in the first through-bore, and wherein the second connecting piece (54) is arranged in the second through-bore.

10. The cylinder lock according to claim 9, characterized in that the plug (52) is rotatably arranged, and the inner wall of the second through-hole has an avoiding groove extending in the axial direction of the second through-hole; under the condition that the first connecting piece (53) rotates to correspond to the avoiding groove, the plug (52) can be pulled out of the avoiding groove or inserted into the mounting hole; under the condition that the first connecting piece (53) rotates to be staggered with the avoiding groove, the first connecting piece (53) is in limit fit with the end face in the first through hole.

11. The plug lock according to claim 7, further comprising a plug pin (60), wherein the plug pin (60) is insertable into the tailgate (24) and the plug head (52) in a pluggable manner to define a relative position of the plug head (52) and the tailgate (24) in a circumferential direction.

12. A peripheral rolling mill, characterized in that it comprises a mandrel lock according to any one of claims 1 to 11.