CN217700656U - Stable in structure's combination formula plug - Google Patents

Abstract

The utility model relates to the technical field of mandrils, in particular to a combined mandrils with stable structure, which comprises a mandrils body, wherein the mandrils body comprises an end for forming seamless pipes, a straight rod with uniform specification and a fixing part for connecting the end and the straight rod; the mounting is including two sets of butt joints of spacing block each other and be used for fixed two sets ofly the bolt of butt joint, the utility model discloses a go up the design of connecting block, draw-in groove, screw, lower connecting block, fixture block, through-hole, bolt for current integral plug structure is designed into modular components of a whole that can function independently structure, make end and straight-bar firm in connection, stable in structure, and adopt modular components of a whole that can function independently structure, when making and changing, only need utilize above-mentioned structure to pull down the end and change after the new end, the reinstallation can use, the material of straight-bar portion has been saved in the preparation and has been used, the material has been practiced thrift, the adaptability of device has been improved simultaneously.

Description

Stable in structure's combination formula plug

Technical Field

The utility model belongs to the technical field of the plug, concretely relates to stable in structure's combination formula plug.

Background

The core rod is the key mould that is used for hot extrusion method production seamless tubular product, consequently obtained the wide application in big specification seamless tubular product preparation processing, current core rod structure satisfies normal use demand basically, however current core rod simple structure, and all be monolithic structure, carry out the processing of different shape tubular products, use the core rod of different shapes, then it is only the tip difference between these different shape core rods, other most are a rectilinear pipe structure, consequently monolithic structure can make the core rod material rate of utilization lower, can not adopt modular structure, in general structure, only change the different structure of tip, make its adaptation correspond the tubular product demand of shape, the adaptability of device has been reduced, the waste of material resource has also been caused, consequently need for a stable in structure's modular core rod to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a stable in structure's combination formula plug to current plug that proposes in solving above-mentioned background art adopts monolithic structure basically, when facing the preparation of different shape tubular product, needs whole the change, can't adopt the combination formula mode, only changes the different structure in end, remains the main part and does not change, leads to device adaptability poor, and the manufacturing material uses more problems.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a combined core rod with a stable structure comprises a core rod body, wherein the core rod body comprises an end head for forming a seamless pipe, a straight rod with uniform specification and a fixing piece for connecting the end head and the straight rod; the fixing piece comprises two groups of butt joint pieces which are mutually limited and clamped and a bolt which is used for fixing the two groups of butt joint pieces.

As right the utility model discloses a further improvement is located on the end the butt joint piece is including the last connecting block of laminating each other and the draw-in groove that is used for about the restriction, controls.

As a further improvement of the utility model, the butt joint piece positioned on the straight rod comprises a lower connecting block attached to the upper connecting block and a clamping block in clearance fit with the clamping groove; the fixture block is fixed on the lower connecting block.

As right the utility model discloses a further improvement, go up the connecting block with pass through down between the connecting block bolt fastening, go up on the connecting block seted up with the screw that the bolt matches, down seted up on the connecting block with bolt complex through-hole.

As right the utility model discloses a further improvement, the bolt includes the horizontal pole and sets up the screw thread of horizontal pole surface, threaded length equals the length of screw is located connecting block one side down seted up flutedly on the horizontal pole, the shape and the outside plum blossom hexagon socket head cap screw of recess mutually support.

As a further improvement, the end part of the cross rod is positioned in the through hole.

Through the technical scheme, the utility model discloses technical scheme's beneficial effect is:

the utility model discloses an go up the connecting block, the draw-in groove, the screw, lower connecting block, the fixture block, the through-hole, the design of bolt, make current integral plug structure, be designed into modular components of a whole that can function independently structure, and through last connecting block, the draw-in groove, the effect of lower connecting block and fixture block, make end and straight-bar can only the back-and-forth movement, other position is whole by spacingly, can't remove, then utilize the screw, the effect of through-hole and bolt, carry out the spacing locking of front and back position to last connecting block and lower connecting block, thereby make connecting block and lower connecting block firm in connection, indirect make end and straight-bar firm in connection, make device stable in structure, and adopt the components of a whole that can function independently structure of combination formula, when making to change, only need utilize above-mentioned structure to pull down the end and change new end after, install again and can use, the material use of straight-bar portion has been saved when the preparation, the adaptability of device has been improved simultaneously.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a left side view of the partial structure of the present invention;

FIG. 3 is a schematic front sectional view of the local structure of the present invention;

fig. 4 is a front view of the bolt shown in fig. 3 according to the present invention.

Wherein, the names represented by the part numbers in the 4 schematic diagrams are as follows:

110. a tip; 111. an upper connecting block; 112. a card slot; 113. a screw hole; 120. a straight rod; 121. a lower connecting block; 122. a clamping block; 123. a through hole; 210. a bolt; 211. a thread; 212. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

The utility model provides a following embodiment:

a combined core rod with a stable structure comprises a core rod body, wherein the core rod body comprises an end head 110 for forming a seamless pipe, a straight rod 120 with a uniform specification and a fixing piece for connecting the end head 110 and the straight rod 120, the existing integral structure is eliminated by the device through the design of the fixing piece, a new combined split structure is adopted, when the forming and the preparation of pipes with different shapes are performed, the original end head 110 is detached, then a new end head 110 corresponding to the requirement is installed, the straight rod 120 is kept unchanged, the adaptability replacement is realized, the adaptability of the device is improved, meanwhile, the material quantity required by the core rod in the manufacturing process is changed, the end head 110 corresponding to the pipe is manufactured by only providing the material quantity required by the corresponding end head 110, and only one straight rod 120 needs to be manufactured to serve as a shared structure, so that the material resources are saved;

the fixing piece comprises two groups of butt joint pieces which are mutually limited and clamped and a bolt 210 for fixing the two groups of butt joint pieces, wherein the butt joint piece positioned on the end head 110 comprises an upper connecting block 111 and a clamping groove 112 which are mutually attached and used for limiting the vertical movement and the horizontal movement, and the butt joint piece positioned on the straight rod 120 comprises a lower connecting block 121 attached to the upper connecting block 111 and a clamping block 122 in clearance fit with the clamping groove 112; as can be seen from fig. 1 and 3, the end head 110 and the straight bar 120 are attached to each other in a front-back manner by using the design of the clamping groove 112 and the clamping block 122, at this time, the end head 110 and the straight bar 120 can only move in a front-back manner, and other directions are limited and cannot move;

the upper connecting block 111 and the lower connecting block 121 are fixed through a bolt 210, the upper connecting block 111 is provided with a screw hole 113 matched with the bolt 210, the lower connecting block 121 is provided with a through hole 123 matched with the bolt 210, when the end head 110 and the straight rod 120 are attached to each other under the action of the upper connecting block 111, the clamping groove 112, the lower connecting block 121 and the clamping block 122, the bolt 210 is inserted into the through hole 123 and screwed into the screw hole 113, and finally, the upper connecting block 111 and the lower connecting block 121 are fixed through screwing, so that the end head 110 and the straight rod 120 are indirectly fixed;

the bolt 210 comprises a cross rod and a thread 211 arranged on the outer surface of the cross rod, the length of the thread 211 is equal to that of the screw hole 113, through the partial structural design, when the bolt 210 is screwed, the cross rod on the bolt 210 is transversely fixed on the upper connecting block 111 under the action of the thread 211 and the screw hole 113, the end part of the cross rod is inserted into the through hole 123, and the front and back limiting is formed on the upper connecting block 111 and the lower connecting block 121 at the moment, so that the omnibearing limiting on the upper connecting block 111 and the lower connecting block 121 is realized by combining the limiting on the clamping groove 112 and the clamping block 122, when the end head 110 and the straight rod 120 are pulled left and right or up and down, the limiting is performed by the clamping groove 112 and the clamping block 122, and when the front and back pulling is performed, the end head 110 and the straight rod 120 are fixed and are limited by the bolt 210 inserted into the lower connecting block 121, so that the fixing of the end head 110 and the straight rod 120 can be realized, and the structure of the device is stable;

be located and seted up recess 212 on the horizontal pole of connecting block 121 one side down, the shape and the outside hexagonal screwdriver in plum blossom of recess 212 mutually support, the horizontal pole tip is located through-hole 123, when needing to dismantle, equally, inject in recess 212 with the help of outside hexagonal screwdriver in plum blossom of plum blossom, then rotate, under screw 211 and screw 113's effect, make horizontal pole and screw 113 break away from, then directly pull out the horizontal pole from through-hole 123 in, after that fore-and-aft direction removes end 110 and straight-bar 120, separation end 110 and straight-bar 120 that alright relax, easy operation is convenient, time saving and labor saving.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. The utility model provides a stable in structure's combination formula plug, includes the plug body, its characterized in that: the mandrel body comprises an end head (110) for forming a seamless pipe, a straight rod (120) with uniform specification and a fixing piece for connecting the end head (110) and the straight rod (120); the fixing piece comprises two groups of butt joint pieces which are mutually limited and clamped and a bolt (210) used for fixing the two groups of butt joint pieces.

2. A structurally stable modular mandrel as claimed in claim 1, wherein: the butt joint piece positioned on the end head (110) comprises an upper connecting block (111) and a clamping groove (112) which are mutually attached and used for limiting up-down and left-right movement.

3. A structurally stable modular mandrel as claimed in claim 2, wherein: the butt joint piece positioned on the straight rod (120) comprises a lower connecting block (121) attached to the upper connecting block (111) and a clamping block (122) in clearance fit with the clamping groove (112); the clamping block (122) is fixed on the lower connecting block (121).

4. A structurally stable modular mandrel as claimed in claim 3, wherein: the upper connecting block (111) and the lower connecting block (121) are fixed through the bolts (210), the upper connecting block (111) is provided with screw holes (113) matched with the bolts (210), and the lower connecting block (121) is provided with through holes (123) matched with the bolts (210).

5. A structurally stable modular mandrel as claimed in claim 4, wherein: bolt (210) include the horizontal pole and set up screw thread (211) of horizontal pole surface, the length of screw thread (211) equals the length of screw (113) is located lower connecting block (121) one side seted up recess (212) on the horizontal pole, the shape and the outside hexagonal socket head screwdriver of recess (212) are mutually supported.

6. A structurally stable modular mandrel as claimed in claim 5, wherein: the cross bar end is located in the through hole (123).

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