CN218424790U

CN218424790U - Rolling mill core rod capable of rapidly replacing guide rod

Info

Publication number: CN218424790U
Application number: CN202222881852.9U
Authority: CN
Inventors: 曹辉; 李其荣; 浦俭英
Original assignee: ASIA-PACIFIC LIGHT ALLOY (NANTONG) TECHNOLOGY CO LTD
Current assignee: ASIA-PACIFIC LIGHT ALLOY (NANTONG) TECHNOLOGY CO LTD
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-02-03
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to the technical field of metal pipe rolling, in particular to a rolling mill core rod capable of rapidly replacing a guide rod, which comprises a bed body, wherein the bed body comprises a lathe, the upper surface of the lathe is provided with a rod body, and the inner side of the rod body is provided with a rod body; the inboard of barred body is provided with changes mechanism, it includes the mounting groove to change the mechanism. The utility model discloses a setting of spiral shell tooth and screw thread, when rotating the body of rod, the meshing effect of spiral shell tooth and screw thread can be realized fixing the body of rod, played quick dismantlement to the body of rod, the effect of installation, and then be convenient for polish the dimension to the barred body and support, the problem of manual work use abrasive paper to the barred body lead to inefficiency of polishing has been solved, and then can improve the life of production efficiency and barred body, it can realize spacing to the body of rod to insert through inserted bar and slot simultaneously, and then can consolidate the installation of the body of rod, can avoid the maloperation to lead to unscrewing the body of rod.

Description

Rolling mill core rod capable of rapidly replacing guide rod

Technical Field

The utility model relates to a rolling technical field of metal tubular product specifically is a but rolling mill plug of quick replacement guide bar.

Background

The rolling mill is a device for realizing the metal rolling process, generally refers to equipment for completing the whole process of rolled material production, a mandrel is a part of a die for forming a profile surface in a pressed blank or a sintered body in the pressing direction, a guide rod needs to be welded at an opening at the end part of the rolling mandrel in advance before the rolling mandrel is generally used, and the longer the tube is rolled, the more the tube is in the rolling process, the free state is kept at the gap between rolling mill rollers, the guide rod of the rolling mill mandrel needs to be added to play a role in guiding the tube to move linearly, and the rolled tube is prevented from deviating from the track of the rollers.

Among the prior art, through the mode of welding the guide bar at the tip opening part of rolling plug, although can fix the guide bar, but can lead to not being convenient for dismantle the guide bar, and then be unfavorable for polishing the rolling mill plug and maintain the maintenance work for can only use abrasive paper to manually polish the rolling mill plug, inefficiency, but the rolling mill plug that consequently needs to design a quick replacement guide bar solves above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but rolling mill plug of quick replacement guide bar to the mode through the tip opening part welding guide bar at rolling plug that proposes in solving above-mentioned background art, though can fix the guide bar, nevertheless can lead to being not convenient for dismantle the guide bar, and then be unfavorable for polishing the rolling mill plug and maintain maintenance work, make can only use abrasive paper to carry out manual polishing to the rolling mill plug, problem that inefficiency.

In order to achieve the purpose, the utility model provides the following technical proposal,

a rolling mill core rod with a guide rod capable of being replaced quickly comprises a bed body, wherein the bed body comprises a lathe, a rod body is arranged on the upper surface of the lathe, and a rod body is arranged on the inner side of the rod body;

the inboard of barred body is provided with changes mechanism, it includes the mounting groove to change the mechanism, the inboard at the barred body is seted up to the mounting groove, the inner wall of mounting groove is provided with the spiral shell tooth, the surface of the body of rod is provided with the screw thread, the activity groove has been seted up to the inboard of the body of rod, the inner wall fixedly connected with stop collar in activity groove, the inboard swing joint of stop collar has the pull rod, the fixed surface of stop collar is connected with first spring, the inboard swing joint of the body of rod has the inserted bar, the inner wall fixedly connected with second spring of the body of rod, the slot has been seted up to the inner wall of mounting groove.

Preferably, the pull rod is movably connected to the inner side of the limiting sleeve in a rod shape, one end of the first spring is fixedly connected with the limiting sleeve, and the other end of the first spring is fixedly connected with the pull rod.

Preferably, the one end and the body of rod fixed connection of second spring, the other end and the inserted bar fixed connection of second spring, the slot is the inner wall that the mounting groove was seted up to the circular slot form.

Preferably, the surface of lathe is provided with fixture, fixture includes the fixed plate, fixed plate fixed connection is on the surface of lathe, the inboard swing joint of fixed plate has positive and negative screw rod, the movable block has been cup jointed on the surface of positive and negative screw rod, the lower fixed surface of movable block is connected with the jack catch, the bottom fixedly connected with connecting block of jack catch, the spacing groove has been seted up to the upper surface of lathe, the one end and the jack catch fixed connection of connecting block, the other end and the spacing groove swing joint of connecting block.

Preferably, the fixed plates are fixedly connected to the upper surface of the lathe in two groups, the movable blocks are sleeved on the surfaces of the positive and negative screws in two groups, and the clamping jaws are correspondingly connected with the movable blocks in two groups.

Preferably, the limiting grooves are two groups and are arranged on the upper surface of the lathe, and the clamping jaws are movably connected with the limiting grooves through connecting blocks.

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

1. through the setting of spiral shell tooth and screw thread, when rotating the body of rod, the meshing effect of spiral shell tooth and screw thread can be realized fixing the body of rod, played quick dismantlement to the body of rod, the effect of installation, and then be convenient for polish the dimension to the barred body and support, the problem of manual work use abrasive paper to the barred body and lead to inefficiency is solved, and then can improve the life of production efficiency and barred body, it can realize spacing to the body of rod to insert through inserted bar and slot simultaneously, and then can consolidate the installation of the body of rod, can avoid the maloperation to lead to screwing out the body of rod, and is very practical.

2. Through rotating positive and negative screw rod, because the jack catch receives spacing of spacing groove, can realize that the movable block drives the jack catch and removes, can realize carrying out the centre gripping to the barred body through the jack catch, realize the fixed of barred body, and then be convenient for polish and the maintenance the barred body, improved the production efficiency that the polishing was polished, the life of extension barred body, easy operation.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a front sectional view of the structure of the rod body and the pull rod of the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1;

fig. 4 is the side view and sectional view of the structure of the positive and negative screw rods and the claws of the present invention.

In the figure: 1. turning a lathe; 11. a rod body; 12. a rod body; 2. mounting grooves; 21. screw teeth; 22. a thread; 23. a movable groove; 24. a limiting sleeve; 25. a pull rod; 26. a first spring; 27. inserting a rod; 28. a second spring; 29. a slot; 3. a fixing plate; 31. a forward screw and a reverse screw; 32. a moving block; 33. a claw; 34. connecting blocks; 35. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment of:

a rolling mill core rod with a guide rod capable of being replaced quickly comprises a lathe body, wherein the lathe body comprises a lathe 1, a rod body 11 is arranged on the upper surface of the lathe 1, a rod body 12 is arranged on the inner side of the rod body 11, the linear advancing direction of a pipe can be guided, and the rolled pipe is prevented from deviating from a roller track;

the inboard of barred body 11 is provided with changes the mechanism, it includes mounting groove 2 to change the mechanism, the inboard at barred body 11 is seted up to mounting groove 2, the inner wall of mounting groove 2 is provided with spiral shell tooth 21, the surface of the body of rod 12 is provided with screw thread 22, movable groove 23 has been seted up to the inboard of the body of rod 12, movable groove 23's inner wall fixedly connected with stop collar 24, stop collar 24's inboard swing joint has pull rod 25, stop collar 24's fixed surface is connected with first spring 26, the inboard swing joint of the body of rod 12 has inserted bar 27, the inner wall fixedly connected with second spring 28 of the body of rod 12, slot 29 has been seted up to the inner wall of mounting groove 2, spiral shell tooth 21 sets up the inner wall at mounting groove 2, meshing effect through spiral shell tooth 21 and screw thread 22 can realize fixing the body of rod 12, quick dismantlement has been played to the body of rod 12, the effect of installing, and then be convenient for carry out polishing maintenance to barred body 11.

Further, pull rod 25 is shaft-like swing joint in the inboard of stop collar 24, the one end and the stop collar 24 fixed connection of first spring 26, the other end and the pull rod 25 fixed connection of first spring 26, first spring 26 and pull rod 25 fixed connection can play the effect that resets to pull rod 25, pull rod 25 resets under the effect of first spring 26 and can extrude inserted bar 27, and then realize inserting of inserted bar 27 and slot 29 and close, can consolidate the installation of the body of rod 12.

Further, the one end and the body of rod 12 fixed connection of second spring 28, the other end and the inserted bar 27 fixed connection of second spring 28, slot 29 is the inner wall at mounting groove 2 is seted up to the circular slot form, the inner wall at mounting groove 2 is seted up to slot 29, with the inside back of the body of rod 12 precession mounting groove 2, it can realize spacing the body of rod 12 to insert through inserted bar 27 and slot 29, and then can consolidate the installation of the body of rod 12, can avoid the maloperation to lead to the body of rod 12 unscrewing.

Further, lathe 1's surface is provided with fixture, fixture includes

fixed plate

3, 3 fixed connection on lathe 1's surface of fixed plate, the inboard swing joint of fixed plate 3 has positive and negative screw rod 31, movable block 32 has been cup jointed on positive and negative screw rod 31's surface, the lower fixed surface of movable block 32 is connected with jack catch 33, the bottom fixedly connected with connecting block 34 of jack catch 33, spacing groove 35 has been seted up to lathe 1's upper surface, connecting block 34's one end and jack catch 33 fixed connection, connecting block 34's the other end and 35 swing joint of spacing groove, positive and negative screw rod 31 swing joint is in fixed plate 3's inboard, can realize through rotating positive and negative screw rod 31 that movable block 32 drives jack catch 33 and draw close together each other, and then realize carrying out the centre gripping through jack catch 33 to barred body 11, realize the fixed of barred body 11, and then be convenient for polish and the maintenance barred body 11, can promote the life of barred body 11.

Further, fixed plate 3 is two sets of fixed connection at the upper surface of lathe 1, and movable block 32 is two sets of surfaces of cup jointing at positive and negative screw rod 31, and jack catch 33 is two sets of and the movable block 32 corresponds the connection, and jack catch 33 fixed connection is at the lower surface of movable block 32, can realize carrying out the centre gripping to barre 11 through the effect of two sets of jack catches 33 fixed, and then conveniently polish barre 11, has improved the production efficiency that the polishing was polished.

Further, spacing groove 35 is two sets of upper surfaces of seting up at lathe 1, jack catch 33 passes through connecting block 34 and spacing groove 35 swing joint, the upper surface at lathe 1 is seted up to spacing groove 35, can play spacing effect to jack catch 33, the jack catch 33 of being convenient for slides on the surface of spacing groove 35 through connecting block 34, can avoid jack catch 33 to take place the skew under positive and negative screw rod 31's effect, be convenient for fix barred body 11 through jack catch 33, and then conveniently polish maintenance work to barred body 11.

The working principle is as follows: when the device is used, the pull rod 25 is pulled to move outwards to remove extrusion on the insert rod 27, the insert rod 27 can be contracted on the inner side of the rod body 12 under the resilience action of the second spring 28, at the moment, the first spring 26 is in a stretching state, then the rod body 12 is inserted into the inner side of the mounting groove 2, the rod body 12 is rotated to be screwed into the inner side of the mounting groove 2 under the meshing action of the spiral teeth 21 and the threads 22 through rotating the rod body 12, then the pull rod 25 is loosened, the pull rod 25 can be reset under the resilience action of the first spring 26, the insert rod 27 is extruded by the pull rod 25, the insert rod 27 moves towards the outer side of the rod body 12 under the action of the pull rod 25, the insert rod 27 is inserted into the slot 29, at the moment, the second spring 28 is in a contracting state, and the installation and fixation on the rod body 12 are achieved; when the body of rod 12 is demolishd to the needs, pull rod 25 makes pull rod 25 outwards move about and cancels the extrusion to inserted bar 27, and inserted bar 27 can contract under the rebound effect of second spring 28 in the inboard of the body of rod 12, and first spring 26 is tensile state this moment, then the reverse body of rod 12, and the body of rod 12 can be in the effect of the meshing of thread 21 and screw thread 22 and unscrew mounting groove 2, realizes dismantling the body of rod 12.

Rotating positive and negative screw rod 31, because jack catch 33 receives spacing of spacing groove 35, can realizing that movable block 32 carries out horizontal position under positive and negative screw rod 31's effect and remove, and then jack catch 33 leads to connecting block 34 and slides on the surface of spacing groove 35, can realize carrying out the centre gripping through jack catch 33 to barred body 11 fixed, it is comparatively practical.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A rolling mill core rod with a guide rod capable of being replaced quickly comprises a bed body, wherein the bed body comprises a lathe (1), a rod body (11) is arranged on the upper surface of the lathe (1), and a rod body (12) is arranged on the inner side of the rod body (11);

its characterized in that, the inboard of barred body (11) is provided with changes the mechanism, it includes mounting groove (2) to change the mechanism, the inboard at barred body (11) is seted up in mounting groove (2), the inner wall of mounting groove (2) is provided with thread (21), the surface of the body of rod (12) is provided with screw thread (22), movable groove (23) have been seted up to the inboard of the body of rod (12), inner wall fixedly connected with stop collar (24) of movable groove (23), the inboard swing joint of stop collar (24) has pull rod (25), the fixed surface of stop collar (24) is connected with first spring (26), the inboard swing joint of the body of rod (12) has inserted bar (27), the inner wall fixedly connected with second spring (28) of the body of rod (12), slot (29) have been seted up to the inner wall of mounting groove (2).

2. A rolling mill mandrel with quick change guide bars as claimed in claim 1, wherein: pull rod (25) are the inboard of shaft-like swing joint at stop collar (24), the one end and the stop collar (24) fixed connection of first spring (26), the other end and the pull rod (25) fixed connection of first spring (26).

3. A rolling mill mandrel with quick change guide bars as claimed in claim 1, wherein: the one end and the body of rod (12) fixed connection of second spring (28), the other end and inserted bar (27) fixed connection of second spring (28), slot (29) are the inner wall of seting up in mounting groove (2) of circular slot form.

4. A rolling mill mandrel with quick change guide bars as claimed in claim 1, wherein: the surface of lathe (1) is provided with fixture, fixture includes fixed plate (3), fixed plate (3) fixed connection is on the surface of lathe (1), the inboard swing joint of fixed plate (3) has positive and negative screw rod (31), movable block (32) have been cup jointed on the surface of positive and negative screw rod (31), the lower fixed surface of movable block (32) is connected with jack catch (33), the bottom fixedly connected with connecting block (34) of jack catch (33), spacing groove (35) have been seted up to the upper surface of lathe (1), the one end and the jack catch (33) fixed connection of connecting block (34), the other end and spacing groove (35) swing joint of connecting block (34).

5. A rolling mill mandrel with quick replaceable guide rods according to claim 4, characterized in that: the fixed plate (3) is fixedly connected to the upper surface of the lathe (1) in two groups, the moving blocks (32) are sleeved on the surfaces of the positive and negative screw rods (31) in two groups, and the clamping jaws (33) are correspondingly connected with the moving blocks (32) in two groups.

6. A rolling mill mandrel with quick replaceable guide rods according to claim 4, characterized in that: the limiting grooves (35) are two groups of grooves formed in the upper surface of the lathe (1), and the clamping jaws (33) are movably connected with the limiting grooves (35) through connecting blocks (34).