阅读说明：本技术 螺栓热处理加工产线用烘干机 (Dryer for bolt heat treatment production line ) 是由 朱汉华 朱进 朱银奎 于 2021-07-22 设计创作，主要内容包括：本发明公开了一种螺栓热处理加工产线用烘干机,包括壳体,壳体的内部由上至下依次设置有第一烘干框、第二烘干框和成品小车,第一烘干框和第二烘干框均包括框体,框体的两侧壁上均固定连接有转轴,转轴的外端穿过壳体传动连接有转动电机,框体的底壁上垂直固定有多个等间隔分布的第一热风板,相邻两个第一热风板之间以及第一热风板和框体侧壁之间均设置有顶起板,壳体的内部还设置有烘干机构,烘干机构包括热风管、第二热风板和第三热风板。本发明可翻动螺栓,受热更加均匀,从而提高烘干质量。(The invention discloses a dryer for a bolt heat treatment processing production line, which comprises a shell, wherein a first drying frame, a second drying frame and a finished product trolley are sequentially arranged in the shell from top to bottom, the first drying frame and the second drying frame respectively comprise a frame body, two side walls of the frame body are respectively and fixedly connected with a rotating shaft, the outer end of the rotating shaft penetrates through the shell to be in transmission connection with a rotating motor, a plurality of first hot air plates which are distributed at equal intervals are vertically fixed on the bottom wall of the frame body, jacking plates are respectively arranged between every two adjacent first hot air plates and between the first hot air plates and the side walls of the frame body, a drying mechanism is further arranged in the shell and comprises a hot air pipe, a second hot air plate and a third hot air plate. The invention can turn over the bolt, and the heating is more uniform, thereby improving the drying quality.)

1. The dryer for the bolt heat treatment processing production line comprises a shell (1) and is characterized in that a first drying frame (2), a second drying frame (3) and a finished product trolley (4) are sequentially arranged in the shell (1) from top to bottom, the first drying frame (2) and the second drying frame (3) respectively comprise a frame body, rotating shafts (5) are fixedly connected to two side walls of the frame body, the outer ends of the rotating shafts (5) penetrate through the shell (1) and are connected with a rotating motor (6) in a transmission mode, a plurality of first hot air plates (7) distributed at equal intervals are vertically fixed to the bottom wall of the frame body, jacking plates (8) are arranged between every two adjacent first hot air plates (7) and between the first hot air plates (7) and the side wall of the frame body, telescopic rods (9) are fixedly connected to the bottom ends of the jacking plates (8), and driving cylinders (10) are connected to the bottom ends of the telescopic rods (9), the drying device is characterized in that the driving cylinder (10) is fixed on the bottom wall of the frame body, a drying mechanism is further arranged inside the shell (1), the drying mechanism comprises a hot air pipe (11), a second hot air plate (12) and a third hot air plate (13), and the second hot air plate (12) and the third hot air plate (13) are fixedly arranged at the bottom ends of the first drying frame (2) and the second drying frame (3) respectively.

2. The dryer for the bolt heat treatment production line according to claim 1, wherein the top of the jacking plate (8) is an arc-shaped mechanism protruding upwards, and the jacking plate (8) is provided with a plurality of ventilation holes.

3. The dryer for the bolt heat treatment processing production line according to claim 1, wherein the hot air pipe (11) is fixedly arranged above the first drying frame (2), the bottom end of the hot air pipe is connected with a plurality of hot air nozzles (14), the upper portion and the lower portion of the left side wall of the shell (1) are respectively provided with an air inlet (1.1) and an air outlet (1.2), the air inlet (1.1) is communicated with the hot air pipe (11) through a pipeline, and the hot air pipe (11) is connected with the second hot air plate (12) and the third hot air plate (13) through a telescopic pipeline (15).

4. The dryer for the bolt heat treatment processing production line according to claim 1, wherein the first hot air plate (7), the second hot air plate (12) and the third hot air plate (13) are all provided with a cavity inside, the side walls of the first hot air plate (7), the second hot air plate (12) and the third hot air plate (13) are all provided with a plurality of air supply outlets, and the bottom end of the first hot air plate (7) in the first drying frame (2) and the second drying frame (3) penetrates through the frame body through a pipeline to be respectively and correspondingly connected with the second hot air plate (12) and the third hot air plate (13).

5. The dryer for the bolt heat treatment production line according to claim 1, wherein a material receiving cover (16) is arranged below each of the first drying frame (2) and the second drying frame (3), the vertical section of the material receiving cover (16) is of a trapezoidal structure, the diameter of the top end of the material receiving cover is the same as the inner diameter of the shell (1), and the diameter of the bottom end of the material receiving cover is smaller than the lengths of the second drying frame (3) and the top end of the finished product trolley (4).

6. The dryer for the bolt heat treatment production line according to claim 1, wherein the side walls of the first drying frame (2) and the second drying frame (3) are provided with a plurality of round holes.

7. The dryer for the bolt heat treatment production line according to claim 1, wherein the top middle part and the right lower part of the shell (1) are respectively provided with a feeding hole (1.3) and a discharging hole (1.4).

Technical Field

The invention belongs to the technical field of bolt processing, and particularly relates to a dryer for a bolt heat treatment processing production line.

Background

The bolt is subjected to quenching and tempering during processing, the heat treatment quenching and tempering is used for improving the comprehensive mechanical property of the bolt so as to meet the tensile strength value and the yield ratio specified by the product, and the heat treatment process has a vital influence on the bolt, particularly the internal quality of the bolt. After the heat treatment quenching is finished, in order to reduce environmental pollution and ensure the surface quality of the bolt after the heat treatment, oil stains attached to the bolt are cleaned, a large amount of water stains are remained on the surface of the cleaned bolt, and the surface of the bolt is easily rusted if the bolt is not dried and tempered directly.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide the dryer for the bolt heat treatment processing production line, which can turn over bolts and is heated more uniformly, so that the drying quality is improved.

In order to achieve the above object, the present invention adopts the following technical solutions:

the dryer for the bolt heat treatment processing production line comprises a shell, wherein a first drying frame, a second drying frame and a finished product trolley are sequentially arranged in the shell from top to bottom, the first drying frame and the second drying frame respectively comprise a frame body, two side walls of the frame body are respectively and fixedly connected with a rotating shaft, the outer end of the rotating shaft penetrates through the shell body to be connected with a rotating motor in a transmission manner, a plurality of first hot air plates which are distributed at equal intervals are vertically fixed on the bottom wall of the frame body, jacking plates are respectively arranged between every two adjacent first hot air plates and between the first hot air plates and the side walls of the frame body, the bottom end of each jacking plate is fixedly connected with a telescopic rod, the bottom end of each telescopic rod is connected with a driving air cylinder, the driving air cylinder is fixed on the bottom wall of the frame body, a drying mechanism is also arranged in the shell and comprises a hot air pipe, second hot-blast board and third hot-blast board, second hot-blast board and third hot-blast board are fixed respectively and are set up in the bottom of first stoving frame and second stoving frame.

Preferably, the top of aforementioned jack-up board is the convex arc mechanism that makes progress, is provided with a plurality of ventilative hole on the jack-up board, avoids influencing hot-blast flow, can drive the removal and the gliding of bolt on the jack-up board through the lift of a plurality of jack-up boards asynchronism to play the effect of the bolt that turns, make it be heated more evenly, thereby improve oven-dry mass.

Preferably, the hot-air pipe is fixedly arranged above the first drying frame, the bottom end of the hot-air pipe is connected with a plurality of hot-air spray heads, the upper portion and the lower portion of the left side wall of the shell are respectively provided with an air inlet and an air outlet, the air inlet is communicated with the hot-air pipe through a pipeline, the hot-air pipe is connected with the second hot-air plate and the third hot-air plate through a telescopic pipeline, and the second hot-air plate and the third hot-air plate can be prevented from being influenced by the telescopic pipeline along with rotation of the first drying frame and the second drying frame around the rotating shaft respectively.

More preferably, the inside of aforementioned first hot-blast board, second hot-blast board and third hot-blast board all is provided with the cavity, all be provided with a plurality of supply-air outlet on the lateral wall, the bottom of first hot-blast board passes the framework through the pipeline and corresponds connection second hot-blast board and third hot-blast board respectively in first stoving frame and the second stoving frame, can send into the inside of a large amount of bolts with hot-blast through first hot-blast board, accelerate bolt stoving speed, can send into hot-blast to the bottom of first stoving frame and second stoving frame through second hot-blast board and third hot-blast board, make the bolt that is located the framework bottom also can contact hot-blastly, drying efficiency has been improved.

Further preferably, the material receiving covers are arranged below the first drying frame and the second drying frame, the vertical cross sections of the material receiving covers are of a trapezoidal structure, the diameter of the top end of each material receiving cover is equal to the inner diameter of the shell, the diameter of the bottom end of each material receiving cover is smaller than the length of the top end of the second drying frame and the length of the top end of the finished trolley, bolts falling down in the first drying frame and the second drying frame can be accurately guided into the second drying frame and the finished trolley respectively through the inverted-trumpet-shaped material receiving covers, and the bolts are prevented from falling to other positions.

Specifically, all be provided with a plurality of round hole on the lateral wall of aforementioned first stoving frame and second stoving frame.

Preferably, the middle part of the top end of the shell and the lower part of the right side of the shell are respectively provided with a feed inlet and a discharge outlet.

The invention has the advantages that: the first drying frame and the second drying frame can be driven by the rotating motor to turn over so as to realize bolt transfer, and manual operation steps of workers are omitted; the lifting of the jacking plates can drive the bolts on the jacking plates to move and slide downwards so as to turn over the bolts, so that the bolts are heated more uniformly, and the drying quality is improved; hot air can be sent into the interior of a large number of bolts through the first hot air plate, the drying speed of the bolts is accelerated, hot air can be sent into the bottoms of the first drying frame and the second drying frame through the second hot air plate and the third hot air plate, so that the bolts at the bottom of the frame body can also contact the hot air, and the drying efficiency is improved; can accurately direct-in second stoving frame and finished product dolly respectively with the bolt that falls down in first stoving frame and the second stoving frame through the material cover that connects of inverted horn shape, avoid the bolt to fall to other positions.

Drawings

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

fig. 2 is a plan view of a first drying frame and a second drying frame in the present invention;

fig. 3 is a schematic structural view of the receiving cover of the invention.

The meaning of the reference symbols in the figures: 1. the hot-blast stove comprises a shell, 1.1, an air inlet, 1.2, an air outlet, 2, a first drying frame, 3, a second drying frame, 4, a finished trolley, 5, a rotating shaft, 6, a rotating motor, 7, a first hot-blast plate, 8, a jacking plate, 9, a telescopic rod, 10, a driving cylinder, 11, a hot-blast pipe, 12, a second hot-blast plate, 13, a third hot-blast plate, 14, a hot-blast nozzle, 15, a telescopic pipeline, 16 and a material receiving cover.

Detailed Description

The invention is described in detail below with reference to the figures and the embodiments.

Referring to fig. 1, the dryer for the bolt heat treatment processing production line comprises a shell 1, wherein a first drying frame 2, a second drying frame 3 and a finished product trolley 4 are sequentially arranged in the shell 1 from top to bottom, and a feeding hole 1.3 and a discharging hole 1.4 are respectively formed in the middle of the top end of the shell 1 and in the lower part of the right side of the shell.

All be provided with a plurality of round hole on the lateral wall of first stoving frame 2 and second stoving frame 3, first stoving frame 2 and second stoving frame 3 all include the framework, equal fixedly connected with pivot 5 on the both sides wall of framework, and the outer end of pivot 5 passes 1 transmission of casing and is connected with rotation motor 6, and through the drive of rotation motor 6, pivot 5 drives the framework upset to pour out the bolt in the framework.

A plurality of first hot air plates 7 distributed at equal intervals are vertically fixed on the bottom wall of the frame body, jacking plates 8 are arranged between every two adjacent first hot air plates 7 and between the first hot air plates 7 and the side wall of the frame body, telescopic rods 9 are fixedly connected to the bottom ends of the jacking plates 8, the bottom ends of the telescopic rods 9 are connected with driving cylinders 10, the driving cylinders 10 are fixed on the bottom wall of the frame body, and the lifting of the jacking plates 8 is realized through the driving of the driving cylinders 10. The top of jacking plate 8 is convex arc mechanism upwards, is provided with a plurality of ventilative hole on jacking plate 8, avoids influencing hot-blast flow, can drive the removal and the gliding of bolt on jacking plate 8 through the lift of a plurality of jacking plates 8 asynchronism to play the effect of the bolt that turns, make it be heated more evenly, thereby improve oven-dry mass.

The inside of casing 1 still is provided with stoving mechanism, and stoving mechanism includes hot-blast main 11, second hot-blast board 12 and third hot-blast board 13, and second hot-blast board 12 and third hot-blast board 13 are fixed respectively and are set up in the bottom of first stoving frame 2 and second stoving frame 3. The hot-blast main 11 is fixed to be set up in the top of first stoving frame 2, its bottom is connected with a plurality of hot air spray nozzle 14, the left side wall upper portion and the lower part of casing 1 are provided with air intake 1.1 and air outlet 1.2 respectively, air intake 1.1 passes through pipeline intercommunication hot-blast main 11, hot-blast main 11 passes through scalable pipeline 15 and connects second hot-blast board 12 and third hot-blast board 13, can avoid influencing second hot-blast board 12 and third hot-blast board 13 through scalable pipeline 15 and revolute the rotation of axle 5 along with first stoving frame 2 and second stoving frame 3 respectively.

First hot-blast board 7, the inside of second hot-blast board 12 and third hot-blast board 13 all is provided with the cavity, all be provided with a plurality of supply-air outlet on the lateral wall, the bottom of first hot-blast board 7 passes the framework through the pipeline and corresponds connection second hot-blast board 12 and third hot-blast board 13 respectively in first stoving frame 2 and the second stoving frame 3, can send hot-blast inside into a large amount of bolts through first hot-blast board 7, accelerate bolt drying speed, can send into hot-blast to the bottom of first stoving frame 2 and second stoving frame 3 through second hot-blast board 12 and third hot-blast board 13, make the bolt that is located the framework bottom also can contact hot-blast, drying efficiency has been improved.

The lower part of the first drying frame 2 and the second drying frame 3 is provided with a material receiving cover 16, the vertical section of the material receiving cover 16 is of a trapezoidal structure, the diameter of the top end of the material receiving cover is the same as the inner diameter of the shell 1, the diameter of the bottom end of the material receiving cover is smaller than the length of the top end of the second drying frame 3 and the finished product trolley 4, bolts falling down in the first drying frame 2 and the second drying frame 3 can be accurately guided into the second drying frame 3 and the finished product trolley 4 respectively through the inverted-horn-shaped material receiving cover 16, and the bolts are prevented from falling to other positions.

In order to better illustrate the invention, the working process thereof is specifically described below:

the cleaned bolts are poured into the first drying frame 2 through the feeding hole 1.3 of the shell 1, meanwhile, hot air is sent into the first hot air plate 7, the hot air pipe 11, the second hot air plate 12 and the third hot air plate 13, the bolts in the first drying frame 2 are dried, in the drying process, the lifting of the plurality of jacking plates 8 at different times drives the bolts on the jacking plates 8 to move and slide downwards, the bolts are turned, after the drying is carried out for a certain time, the first drying frame 2 is turned over for 180 degrees under the driving of the rotating motor 6, the bolts in the first drying frame are all poured into the second drying frame 3 through the material receiving cover 16, the drying work is completed after the drying is carried out for a certain time, the second drying frame 3 is turned over for 180 degrees under the driving of the rotating motor 6, the bolts in the first drying frame are all poured into the finished product trolley 4 through the material receiving cover 16, and the finished product trolley 4 can be pulled out after the finished product trolley 4 is filled.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.