CN211665123U - Preheating device for mechanical heat treatment - Google Patents

Abstract

The utility model discloses a preheating device for mechanical heat treatment, which comprises a rectangular cylinder and a conveyor belt, wherein a supporting plate is fixedly arranged on the lower side wall of an inner cavity of the rectangular cylinder, a positioning structure is uniformly and fixedly arranged on the upper side wall of the conveyor belt, a chain is meshed with the outer side walls of two chain wheels, a fixed block is uniformly and fixedly arranged on the outer side wall of the chain, an electric push rod is fixedly arranged on the lower side wall of the fixed block, a box body is fixedly arranged at the lower end of the output end of the electric push rod, rectangular grooves are symmetrically arranged on the left side and the right side of the inner side wall of the box body, and electric heating rods are fixedly arranged on the inner side walls of the rectangular grooves, the box body can be continuously buckled on a workpiece in the conveying process of the workpiece on the conveyor belt under the control of a processor, and the workpiece is preheated by electrifying and releasing, greatly reducing the waste of heat energy.

Description

Preheating device for mechanical heat treatment

Technical Field

The utility model relates to a heat treatment technical field specifically is a mechanical heat treatment preheating device.

Background

The heat treatment refers to a metal heat processing technology for obtaining expected organization and performance by means of heating, heat preservation and cooling when a material is in a solid state, and is usually carried out at a higher temperature, and in order to achieve the effects of saving energy and reducing loss, the workpiece is subjected to preheating treatment before heat treatment, the workpiece is usually placed in a box body in the conventional preheating treatment and is subjected to low-temperature heating and preheating, but in this way, a large amount of heat is emitted, most of heat cannot play a preheating effect and is wasted, and a good energy-saving effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanical heat treatment preheating device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a preheating device for mechanical heat treatment comprises a rectangular cylinder and a conveyor belt, wherein a support plate is fixedly arranged on the lower side wall of an inner cavity of the rectangular cylinder, the lower side wall of the conveyor belt is attached to the upper side wall of the support plate, a positioning structure is uniformly and fixedly arranged on the upper side wall of the conveyor belt, chain wheels are symmetrically and rotatably assembled on the upper side wall of the inner cavity of the rectangular cylinder in a bilateral mode, the left side chain wheels are connected to the output end of an external motor through rotating shafts, chains are meshed with the outer side walls of the two chain wheels, a fixed block is uniformly and fixedly arranged on the outer side wall of each chain, an electric push rod is fixedly arranged on the lower side wall of each fixed block and connected to an external power supply through a wire, a box body is fixedly arranged at the lower end of the output end of, and the electric heating rod is connected to an external power supply through a wire, and the inner side walls of the rectangular grooves are fixedly provided with heat-conducting plates.

Preferably, the positioning structure comprises a glass fiber plate, the glass fiber plate is fixedly mounted on the upper side wall of the conveyor belt, a metal plate is fixedly mounted on the upper side wall of the glass fiber plate, an annular groove is formed in the upper side wall of the metal plate, and the lower side wall of the box body is inserted into the annular groove.

Preferably, a cushion block is fixedly installed on the inner side wall of the annular groove.

Preferably, the outer side wall of the box body is fixedly provided with a glass fiber shell.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a structure of a rectangular cylinder, conveyer belt, location structure, sprocket, chain, electronic body, box body and electric heat pole is felt, under the control of treater, makes the work piece in the conveyer belt transmission course, and the box body can be continuous detains on the work piece to utilize the electric heat pole circular telegram to release heat and carry out preheating treatment to the work piece, because the volume of box body is less, and the outside is equipped with thermal-insulated structure, on the heat that makes the electric heat pole emit can fully exchange the work piece, greatly reduced the waste of heat energy.

Drawings

Fig. 1 is a front sectional view of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

Fig. 3 is a top view of the structure of the sprocket chain of the present invention.

In the figure: 1. the device comprises a rectangular cylinder, 2, a supporting plate, 3, a conveying belt, 4, a positioning structure, 41, a glass fiber plate, 42, a metal plate, 43, an annular groove, 44, a cushion block, 5, a chain wheel, 6, a chain, 7, a fixing block, 8, an electric push rod, 9, a box body, 10, a rectangular groove, 11, an electric heating rod, 12, a heat conducting plate, 13 and a glass fiber shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a preheating device for mechanical heat treatment, wherein the movement of a conveyor belt 3, the rotation of a chain wheel 5 and the heating of an electric heating rod 11 in the device are completed under the control of a processor, the preheating device comprises a rectangular cylinder 1 and the conveyor belt 3, a support plate 2 is fixedly arranged on the lower side wall of an inner cavity of the rectangular cylinder 1, the lower side wall of the conveyor belt 3 is attached to the upper side wall of the support plate 2, the conveyor belt 3 is supported by the support plate 2 to ensure that the conveyor belt 3 is horizontal, a positioning structure 4 is uniformly and fixedly arranged on the upper side wall of the conveyor belt 3, a workpiece is placed on the positioning structure 4, the chain wheel 5 is symmetrically arranged on the upper side wall of the inner cavity of the rectangular cylinder 1 in a left-right rotating mode, the left side chain wheel 5 is connected to the output end of an external motor through a rotating shaft, a motor is arranged on the upper surface of the rectangular cylinder 1, the conveyor belt 3 is positioned under the front half part of the chain 6, and the moving speed of the conveyor belt 3 is required to be ensured to be the same as the linear speed of the chain 6, so as to ensure that the box body 9 can be arranged on the positioning structure 4 for a long time, the outer side wall of the chain 6 is uniformly and fixedly provided with the fixing block 7, the fixing block 7 is made of insulating materials, the lower side wall of the fixing block 7 is fixedly provided with the electric push rod 8, the electric push rod 8 is a prior known technology, and therefore the description is not repeated herein, the electric push rod 8 is connected to an external power supply through a wire, the box body 9 is fixedly arranged at the lower end of the output end of the electric push rod 8, the box body 9 is a metal product and has good heat conducting property, the electric push rod 8 controls the movement of the box body 9, and the electric push rod 8 can ensure, rectangular channel 10 has been seted up to the inside wall bilateral symmetry of box body 9, and the equal fixed mounting of inside wall of rectangular channel 10 has electric hot rod 11, and electric hot rod 11 is connected to external power source through the wire, and electric hot rod 11 circular telegram is hotly for to preheating of work piece, the equal fixed mounting of inside wall of rectangular channel 10 has heat-conducting plate 12, avoids work piece direct contact to electric hot rod 11, does not influence thermal transmission simultaneously.

Specifically, the positioning structure 4 includes a glass fiber plate 41, the glass fiber material of the glass fiber plate 41 is a heat insulating material, the glass fiber plate 41 is fixedly mounted on the upper side wall of the conveyor belt 3, a metal plate 42 is fixedly mounted on the upper side wall of the glass fiber plate 41, an annular groove 43 is formed in the upper side wall of the metal plate 42, and the lower side wall of the box body 9 is inserted into the annular groove 43, so that the workpiece is located in a sealed environment formed by the box body 9 and the positioning mechanism 4, and heat generated by the electric heating rod 11 can be effectively transmitted to the workpiece.

Specifically, a spacer 44 is fixedly attached to the inner wall of the annular groove 43 to protect the case 9 and the metal plate 42.

Specifically, the outer side wall of the box body 9 is fixedly provided with the glass fiber shell 13, and the glass fiber shell 13 is matched with the glass fiber plate 41, so that the heat dissipation in the box body 9 is greatly reduced, and the energy-saving effect is achieved.

The working principle is as follows: this preheating device for mechanical heat treatment, place the work piece on location structure 4, under the control of treater, conveyer belt 3 carries the in-process that the work piece removed, chain 6 also can drive fixed block 7 and remove, and also can control electric putter 8 and move, make box body 9 place on location structure 4, make the work piece be in airtight environment, can control electric putter 11 to energize the thermogenesis of electricity this moment, carry out preheating treatment to the work piece, and when conveyer belt 3 will shift out rectangular cylinder 1, control electric putter 8 back and retract, box body 9 can not form the hindrance to the operation of conveyer belt 3 promptly, simultaneously in the heating process, because the work piece is in the little space in box body 9, can effectively make heat and work piece carry out heat exchange, simultaneously under the effect of glass fiber shell 13 and glass fiber board 41, can prevent the heat effluvium, play energy-conserving effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a mechanical heat treatment preheating device which characterized in that: the conveying belt comprises a rectangular cylinder (1) and a conveying belt (3), wherein a supporting plate (2) is fixedly arranged on the lower side wall of an inner cavity of the rectangular cylinder (1), the lower side wall of the conveying belt (3) is attached to the upper side wall of the supporting plate (2), a positioning structure (4) is uniformly and fixedly arranged on the upper side wall of the conveying belt (3), chain wheels (5) are symmetrically and rotatably assembled on the upper side wall of the inner cavity of the rectangular cylinder (1), the left side of each chain wheel (5) is connected to the output end of an external motor through a rotating shaft, chains (6) are meshed with the outer side walls of the two chain wheels (5), a fixing block (7) is uniformly and fixedly arranged on the outer side wall of each chain (6), an electric push rod (8) is fixedly arranged on the lower side wall of each fixing block (7), the electric push rod (8) is connected to an, rectangular channel (10) have been seted up to the inside wall bilateral symmetry of box body (9), the equal fixed mounting of inside wall of rectangular channel (10) has electric heat pole (11), and electric heat pole (11) are connected to external power source through the wire, the equal fixed mounting of inside wall of rectangular channel (10) has heat-conducting plate (12).

2. The preheating device for mechanical heat treatment according to claim 1, wherein: the positioning structure (4) comprises a glass fiber plate (41), the glass fiber plate (41) is fixedly installed on the upper side wall of the conveying belt (3), a metal plate (42) is fixedly installed on the upper side wall of the glass fiber plate (41), an annular groove (43) is formed in the upper side wall of the metal plate (42), and the lower side wall of the box body (9) is inserted into the annular groove (43).

3. The preheating device for mechanical heat treatment according to claim 2, wherein: and a cushion block (44) is fixedly arranged on the inner side wall of the annular groove (43).

4. The preheating device for mechanical heat treatment according to claim 1, wherein: the outer side wall of the box body (9) is fixedly provided with a glass fiber shell (13).

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