CN217941385U

CN217941385U - Pretreatment heating device before section bar cold drawing

Info

Publication number: CN217941385U
Application number: CN202221252234.1U
Authority: CN
Inventors: 郭中剑; 万超祥; 张思洁; 张威威
Original assignee: Anhui Weikai Profile Co ltd
Current assignee: Anhui Weikai Profile Co ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-12-02
Anticipated expiration: 2032-05-24

Abstract

The utility model discloses a pretreatment heating device before section bar cold drawing, which comprises a conveyor, wherein the conveyor is provided with rotating driving rollers symmetrically arranged on a frame, the symmetrical driving rollers are sleeved with a conveying belt, the conveying belt is manufactured by splicing chain joints, the chain joints are connected with a plurality of cushion blocks, a box body is arranged on the frame, a heating zone, an air cooling zone and an air-drop zone are sequentially arranged in the box body, a plurality of butt straps are connected in the heating zone, every two butt straps are connected with a heating plate, a heating pipe is arranged on the heating plate, and an air duct pipe is arranged in the air cooling zone; have simple structure, reasonable in design, the thinking is novel unique, through the section bar heating to carrying in the zone of heating, the heating process in by the cushion support, direct contact link joint not avoids the link joint to be heated to warp, and the section bar after the heating is direct through forced air cooling rapid cooling to accelerate cooling rate, the multiple process merges into a process, practices thrift material loading and unloading time between the process, reduces the recruitment, improves production speed.

Description

Pretreatment heating device before section bar cold drawing

Technical Field

The utility model relates to a section bar processing technology field especially relates to a preliminary treatment heating device before section bar cold drawing.

Background

Cold drawing of metal material (section) is a production method in which the hot-worked pipe and wire are further processed in cold state to produce precise, thin-walled and small-diameter products.

Due to the fact that the size precision degree of cold drawing can also obtain various mechanical properties, the process needs to be used for machining the section in a specific occasion, the section needs to be heated before the cold drawing, the hardness of the stainless steel pipe needs to be reduced before the cold drawing at present, the cold drawing is convenient to machine, but the heating equipment is various, the heating is time-consuming and long-lasting, the cooling needs to be transferred to the next procedure, time and labor are wasted, and the production efficiency is severely restricted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pretreatment heating device before section bar cold drawing to current problem.

The utility model discloses a realize through following technical scheme: the utility model provides a preliminary treatment heating device before section bar cold drawing, which comprises a conveyor, the conveyer includes symmetrical installation pivoted drive roller on the frame, suit conveyer belt on the drive roller of symmetry, the conveyer belt is made by the link joint amalgamation, connect a plurality of cushions on the link joint, install the box on the frame, set gradually the zone of heating in the box, air-cooled district and airborne region, connect a plurality of buttresses in the zone of heating, connect the hot plate on per two buttresses, install the heating pipe on the hot plate, install the air duct pipe in the air-cooled district, adopt link joint conveyer belt to guarantee under certain temperature state, do not influence the operation of conveyer, the link joint has the intensity simultaneously, the temperature is indeformable, guarantee driven validity, for further validity sets up the cushion card on the link joint and puts the section bar, guarantee the normal transport of section bar, utilize the fan air supply to carry out invariable alternating temperature to the section bar after the heating, make section bar temperature reduction in the regulation scope, and keep warm through the airborne region, avoid the temperature to cross.

As a further improvement to the scheme, the cushion blocks are transversely arranged on the same chain plate section at intervals, the cushion blocks are longitudinally arranged at intervals of not less than three chain plate sections, and three sectional materials can be conveyed at one time, so that the production efficiency is improved, the energy loss is reduced, and the energy is effectively utilized.

As a further improvement of the scheme, a heating area, an air cooling area and an air-drop area are formed in the box body by vertically arranging a plurality of partition plates, so that the purposes of heating, cooling and constant temperature keeping are achieved.

As a further improvement of the scheme, the heating plate is composed of a tile plate and connecting plates symmetrically arranged on two sides of the tile plate, fixing holes and mounting holes are formed in the connecting plates, and the heating plate is arranged right above the cushion block; the heat is conducted through the tile-covered structure, heating the profile.

As a further improvement of the scheme, the air duct pipes are longitudinally and vertically arranged in the air cooling area, the air duct pipes are transversely arranged in the air cooling area at intervals, and the air duct pipes and the tile plates are positioned on the same straight line, so that air blown out of the air duct pipes directly acts on the surface of the section bar, and the purpose of reducing the temperature of the section bar when the heating temperature is too high is achieved.

As a further improvement of the scheme, an open slot is formed below the air duct pipe, a branch pipe is communicated with the upper side of the air duct pipe, the branch pipe is connected with a fan through a branching pipe, and the open slot is formed right above the cushion block, so that air blown out from the air duct directly acts on the upper surface of the sectional material, and the purpose of reducing the temperature of the sectional material due to overhigh heating temperature is achieved.

Compared with the prior art, the utility model has the following advantages: the novel air cooling type plate mould has the advantages of being simple in structure, reasonable in design, novel and unique in thought, the section bar is heated in the heating area through the pair of conveying, the heating process is supported by the cushion block, the chain plate is not directly contacted with the chain plate, the chain plate is prevented from being heated to deform, the section bar after being heated is directly cooled rapidly through air cooling, the cooling speed is accelerated, finally, the air cooling is adopted, the section bar is prevented from being directly exposed in the air to deform, multiple processes are combined into one process, the feeding and discharging time between the processes is saved, the labor amount is reduced, and the production speed is increased.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic diagram of a mounting block on a conveyor belt assembled by link plates.

Fig. 3 is a schematic structural diagram of a heating area, an air cooling area and an air-drop area in the box body.

Fig. 4 is a schematic structural view of the heating plate.

Fig. 5 is a schematic structural view of the duct pipe.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-5, a pretreatment heating device before section bar cold drawing comprises a conveyor, wherein the conveyor comprises a frame 1, a rotating driving roller 2 is symmetrically installed on the frame 1, a conveying belt 3 is sleeved on the symmetrical driving roller 2, the conveying belt 3 is made by splicing chain joints, a plurality of cushion blocks 6 are connected on the chain joints, a box body 4 is installed on the frame 1, a heating area, an air cooling area and an air-drop area are sequentially arranged in the box body 4, a plurality of butt straps 8 are connected in the heating area, a heating plate 9 is connected on every two butt straps 8, a heating pipe is installed on the heating plate 9, an air duct pipe 10 is installed in the air cooling area, the chain joint conveying belt 3 is adopted to ensure that the section bar is in a certain temperature state, the operation of the conveyor is not affected, the chain joints have strength, the temperature is not deformed, the transmission effectiveness is ensured, the cushion blocks 6 are arranged on the chain joints for the effectiveness of further conveying, the normal conveying is ensured, the section bar is conveyed by a fan, the heated section bar is subjected to constant temperature change, the temperature reduction is in a specified range, and the heat preservation through the air-drop area, and the low temperature is avoided.

As a further improvement to the scheme, the cushion blocks 6 are transversely arranged on the same chain plate section at intervals, the cushion blocks 6 are longitudinally arranged at intervals of not less than three chain plate sections, and three sectional materials can be conveyed at one time, so that the production efficiency is improved, the energy loss is reduced, and the energy is effectively utilized.

As a further improvement of the scheme, a heating area, an air cooling area and an air-drop area are formed in the box body 4 by vertically arranging a plurality of partition plates 7, so that the aims of heating, cooling and constant temperature maintaining are fulfilled.

As a further improvement to the above solution, the heating plate 9 is composed of a tile plate 16 and a connecting plate 11 symmetrically arranged on both sides, a fixing hole 13 for installing a heating pipe and an installation hole 12 for installing on the butt plate 8 are arranged on the connecting plate 11, and the heating plate 9 is arranged right above the cushion block 6; heat is conducted through the structure covered by the tiles 16, heating the profile.

As a further improvement to the above scheme, the duct pipes 10 are installed in the air cooling area longitudinally and continuously, and the duct pipes 10 are installed in the air cooling area at intervals transversely, and the duct pipes 10 and the tile plates 16 are located on the same straight line, so that the air blown out from the duct pipes directly acts on the surface of the profile, thereby achieving the purpose of reducing the temperature of the profile when the heating temperature is too high.

As a further improvement of the scheme, an open slot 14 is arranged below the air duct pipe 10, a branch pipe 15 is connected above the air duct pipe in a penetrating manner, the branch pipe 15 is connected with a fan through a bifurcated pipe, and the open slot 14 is arranged right above the cushion block 6, so that air blown out from the open slot directly acts on the upper surface of the section bar, and the purpose of reducing the temperature of the section bar when the heating temperature is too high is achieved.

As the further improvement to the scheme, the working principle of the pretreatment heating device before the section bar is cold-drawn is as follows: heating pipe circular telegram work to the box 4 in earlier generates heat, make hot plate 9 become the heat altered boiling hot, 6 blocks of cushion through the link joint installation of conveyer belt 3 put the section bar, and carry box 4 below with the section bar, the section bar gets into from the nock 5 of box end, through hot plate 9 below, the heat that receives hot plate 9 conduction heats the section bar, the forced air cooling district is carried to the section bar after the heating, the air supply that provides through the fan blows to the section bar surface directly below through open slot 14 of air duct 10 and carries out appropriate cooling, then carry the airborne district again and carry out air insulation, because airborne district temperature is higher than ambient temperature, through the buffering of airborne district, avoid the section bar to take place deformation.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. The utility model provides a preliminary treatment heating device before section bar cold drawing, includes the conveyer, the conveyer includes symmetrical installation pivoted drive roller on the frame, suit conveyer belt on the drive roller of symmetry, its characterized in that, the conveyer belt is made by the link joint amalgamation, connects a plurality of cushions on the link joint, installs the box on the frame, sets gradually the zone of heating, forced air cooling district and airborne area in the box, connects a plurality of straps in the zone of heating, connects the hot plate on per two straps, installs the heating pipe on the hot plate, installs the air duct pipe in the forced air cooling district.

2. The pre-treatment heating device before cold drawing of a profile according to claim 1, wherein the cushion blocks are installed at intervals and transversely on the same link joint, and the cushion blocks are installed at intervals of not less than three link joints longitudinally.

3. The pre-treatment heating device before cold drawing of the sectional material according to claim 1, wherein a heating zone, an air cooling zone and an air-drop zone are formed in the box body by vertically arranging a plurality of partition plates.

4. The pre-treatment heating device before cold drawing of the sectional material according to claim 1, wherein the heating plate is composed of a tile plate and connecting plates symmetrically arranged on two sides of the tile plate, fixing holes and mounting holes are formed in the connecting plates, and the heating plate is arranged right above the cushion blocks.

5. The pre-treatment heating device before cold drawing of profiles as claimed in claim 1, wherein the air duct pipes are installed in the air cooling zone longitudinally and throughout, and the air duct pipes are installed in the air cooling zone at intervals transversely, and the air duct pipes and the tile plates are located on the same straight line.