Preheating furnace for QPQ (Quench-Polish-Quench) treatment

Abstract

The utility model relates to the technical field of QPQ preheating treatment, and discloses a preheating furnace for QPQ treatment, which comprises a preheating furnace body, a plurality of side openings are respectively arranged on the preheating furnace body, box frames are movably inserted in the plurality of side openings, box track grooves are arranged in the plurality of box frames, placing boxes are movably arranged in the box track grooves on the plurality of box frames, and the placing boxes are arranged in the box track grooves on the plurality of box frames. A plurality of fan-shaped track plates are fixedly mounted on the inner wall of the preheating furnace body; according to the utility model, the plurality of groups of placing boxes are synchronously pushed to circumferentially rotate between the corresponding four box frames and the fan-shaped track plate, so that parts placed in the plurality of placing boxes are uniformly preheated, and after the parts are preheated, the single box frame can be independently pulled out, and the inner side part of the box frame is clamped at the side opening, so that the parts can be conveniently placed in the box frame. The phenomenon that heat in the preheating furnace body is lost in the process of taking out the preheated part can be reduced, and the situation that the heat in the preheating furnace body is rapidly leaked out is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to QPQ preheating treatment technical field especially relates to a kind of preheating furnace for QPQ processing. BACKGROUND

[0002] QPQ processing refers to the black metal parts are placed into two kinds of salt bath with different properties, by multiple elements into the metal surface to form composite layer, so as to achieve the purpose of part surface modification, it is not quenched, but reaches the effect of surface quenching, so it is called QPQ;QPQ process production needs to use preheating furnace to preheat parts.

[0003] The preheating furnace for QPQ processing (its authorized announcement number is: CN218443366U) is provided, which is preheated after the parts, the second motor is started, the second motor drives the winding drum to rotate, the winding drum winds the traction rope, the traction rope drives the moving block to move, the moving block drives the moving shell to move through the moving rod, so that the two moving shells are away from each other, the preheating furnace is divided into two parts, and then the preheated parts are taken out.

[0004] But this kind of preheating furnace for QPQ processing has some shortcomings in actual use: since the preheating furnace is composed of two moving shells, when the preheated parts are taken out, the heat in the preheating furnace is easily lost quickly, which increases the energy consumption of the preheating furnace preheating;Therefore, the utility model is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a preheating furnace for QPQ processing to solve the above problems.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A preheating furnace for QPQ processing, comprising a preheating furnace body, a plurality of side openings are formed on the preheating furnace body respectively, a plurality of box frames are movably inserted into the plurality of side openings respectively, a box rail groove is formed in each of the plurality of box frames, and a placing box is movably installed in each of the box rail grooves on the plurality of box frames, a plurality of fan-shaped track plates are fixedly installed on the inner wall of the preheating furnace body respectively, a plurality of heating plates are arranged on the inner wall of the preheating furnace body respectively, an electric motor is fixedly installed on the top side of the preheating furnace body, one end of a drive rod is fixedly installed on the output shaft of the electric motor, the other end of the drive rod extends into the preheating furnace body and is fixedly installed with a plurality of X-shaped plates, a fitting piece mechanism for corresponding two placing boxes is arranged on the X-shaped plate, a plurality of hole blocks are fixedly installed on the outer side wall of the preheating furnace body respectively, a handle is fixedly installed on the outer side wall of each of the plurality of box frames, and a plug-in piece mechanism for corresponding two hole blocks is arranged on the handle of the box frame.

[0008] Preferably, the plurality of box frames and the plurality of fan-shaped track plates are arranged in a circumferential array, and the plurality of box frames and the plurality of fan-shaped track plates are arranged in a staggered manner.

[0009] Preferably, the bottom sides of the plurality of box frames and the plurality of fan-shaped track plates are horizontally aligned, and the placement box is matched with the fan-shaped track plate; the placement box is conveniently circumferentially rotated in the plurality of fan-shaped track plates.

[0010] Preferably, the fitting member mechanism comprises connecting columns and arc-shaped plates, one end of each of the connecting columns is fixedly installed at the bottom side of the X-shaped plate, and the other end of each of the connecting columns is fixedly installed with an arc-shaped plate, and the plurality of arc-shaped plates are respectively abutted against the positions between the corresponding two placement boxes; when the plurality of arc-shaped plates on the X-shaped plate rotate, the corresponding four placement boxes are circumferentially rotated between the corresponding four box frames and the fan-shaped track plates.

[0011] Preferably, the inner walls of the plurality of box frames are fixedly installed with limiting side plates; the limiting side plates of the inner walls of the box frames can prevent the box frames from being pulled out of the side openings.

[0012] Preferably, the plug-in member mechanism comprises double-rod plug-in plates and handles, the top side of the handle of the box frame is provided with a double-rod plug-in plate, the double-rod plug-in plate penetrates through the handle and is respectively plugged into the corresponding hole block, and the top side of the handle is provided with a handle; the double-rod plug-in plate can realize the limiting and fixing of the box frame.

[0013] The box frame is inserted into the plurality of side openings of the preheating furnace body, the placement box is movably installed in the plurality of box frames, the parts to be preheated are placed in the placement box, the box frame is pushed into the preheating furnace body, the plurality of heating plates in the preheating furnace body are started to preheat the parts, the motor is started to drive the plurality of X-shaped plates to rotate, the plurality of X-shaped plates drive the plurality of arc-shaped plates to rotate, the plurality of arc-shaped plates drive the plurality of placement boxes to circumferentially rotate between the corresponding four box frames and the fan-shaped track plates, the parts in the plurality of placement boxes are uniformly preheated, and after the preheating of the parts is completed, the single box frame can be pulled out, the inner side of the box frame is clamped at the side opening, the phenomenon of heat loss in the preheating furnace body during the taking out of the preheated parts is reduced, the rapid outflow of heat in the preheating furnace body is reduced, and the problem of increased energy consumption of the preheating furnace body is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure schematic view of a three-dimensional perspective of the utility model;

[0015] Figure 2 It is a structure schematic view of a side view of the utility model.

[0016] Figure 3 It is the structure schematic view of the partial section of the utility model;

[0017] Figure 4 It is the structure schematic view of the explosion visual angle of the utility model.

[0018] In the drawing: 1, preheating furnace body; 2, side mouth; 3, box frame; 4, box track groove; 5, placing box; 6, fan-shaped track plate; 7, heating plate; 8, motor; 9, drive rod; 10, X-shaped plate; 11, connecting column; 12, arc plate; 13, limiting side plate; 14, hole block; 15, handle; 16, double-rod plugboard; 17, handle. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0020] Referring to Figures 1-4 A preheating furnace for QPQ treatment, comprising a preheating furnace body 1, a plurality of side openings 2 are formed on the preheating furnace body 1 respectively, a box frame 3 is movably inserted in each of the plurality of side openings 2, a box track groove 4 is formed in each of the plurality of box frames 3, a placing box 5 is movably installed in each of the box track grooves 4 on the plurality of box frames 3, a plurality of fan-shaped track plates 6 are fixedly installed on the inner wall of the preheating furnace body 1 respectively, a plurality of heating plates 7 are arranged on the inner wall of the preheating furnace body 1 respectively, a motor 8 is fixedly installed on the top side of the preheating furnace body 1, one end of a drive rod 9 is fixedly installed on the output shaft of the motor 8, the other end of the drive rod 9 extends into the preheating furnace body 1 and is fixedly installed with a plurality of X-shaped plates 10, the X-shaped plates 10 are provided with a fitting member mechanism corresponding to two placing boxes 5, a plurality of hole blocks 14 are fixedly installed on the outer side wall of the preheating furnace body 1 respectively, a handle 15 is fixedly installed on the outer side wall of each of the plurality of box frames 3, and the handle 15 of the box frame 3 is provided with a plug-in member mechanism corresponding to two hole blocks 14.

[0021] Further, the plurality of box frames 3 and the plurality of fan-shaped track plates 6 are arranged in a circumferential array, and the plurality of box frames 3 and the plurality of fan-shaped track plates 6 are arranged in a staggered manner.

[0022] Specifically, the bottom sides of the plurality of box frames 3 and the plurality of fan-shaped track plates 6 are horizontally aligned, and the placing box 5 is adapted to the fan-shaped track plate 6; the placing box 5 can conveniently rotate in a circumferential direction in the plurality of fan-shaped track plates 6.

[0023] Specifically, the fitting member mechanism includes connecting columns 11 and arc-shaped plates 12, one end of each of the connecting columns 11 is fixedly installed on the bottom side of the X-shaped plate 10, the other end of each of the connecting columns 11 is fixedly installed with the arc-shaped plate 12, and the arc-shaped plates 12 are respectively abutted against the positions between the corresponding two placing boxes 5; when the arc-shaped plates 12 on the X-shaped plate 10 rotate, the corresponding four placing boxes 5 are pushed to rotate circumferentially between the corresponding four box frames 3 and the sector-shaped track plates 6.

[0024] Specifically, the inner wall of each of the box frames 3 is fixedly installed with a limiting side plate 13; the limiting side plate 13 on the inner wall of the box frame 3 can prevent the box frame 3 from being pulled out of the side opening 2.

[0025] Specifically, the inserting member mechanism includes double-rod inserting plates 16 and handles 17, the top side of the handle 15 on the box frame 3 is provided with the double-rod inserting plate 16, the double-rod inserting plate 16 penetrates through the handle 15 and is respectively inserted into the corresponding hole block 14, and the top side of the handle 15 is provided with the handle 17; the double-rod inserting plate 16 can realize the limiting and fixing of the box frame 3.

[0026] In use: when the parts need to be preheated in the QPQ process production, the parts to be preheated are sequentially placed into the placing boxes 5 of the box frames 3, then the box frames 3 are pushed into the preheating furnace body 1, at this time, the arc-shaped plates 12 are respectively abutted against the positions between the corresponding two placing boxes 5, then the double-rod inserting plate 16 is inserted through the handle 15 on the box frame 3 and the corresponding two hole blocks 14 to realize the limiting and fixing of the position of the box frame 3, at this time, the staggered circumferential connection of the multiple box frames 3 and the multiple sector-shaped track plates 6 provides a ring-shaped surrounding track for the multiple placing boxes 5, the multiple heating plates 7 in the preheating furnace body 1 are started to preheat the parts, at the same time, the motor 8 is started to drive the driving rods 9 to rotate the multiple X-shaped plates 10, and then the multiple arc-shaped plates 12 on the multiple X-shaped plates 10 synchronously push the multiple sets of placing boxes 5 to rotate circumferentially between the corresponding four box frames 3 and the sector-shaped track plates 6, so that the parts placed in the multiple placing boxes 5 are uniformly preheated, when the preheated parts need to be taken out, the motor 8 is turned off, the double-rod inserting plate 16 is taken out, then the handle 15 on the box frame 3 is pulled outwards to realize the pulling out of the single box frame 3, the limiting side plate 13 on the inner wall of the box frame 3 can prevent the box frame 3 from being completely pulled out of the preheating furnace body 1, when the placing box 5 in the box frame 3 is translated out of the preheating furnace body 1, the preheated parts can be taken out, at this time, the inner side of the box frame 3 is clamped at the side opening 2, which can reduce the heat loss in the preheating furnace body 1 in the process of taking out the preheated parts, reduce the rapid leakage of heat in the preheating furnace body 1, and avoid the problem of increasing the energy consumption of the preheating furnace body 1 due to the rapid loss of heat in the preheating furnace body 1.

[0027] It is to be noted that, in the present text, terms such as first and second, and the like, merely refer to one entity or action being distinguished from another entity or action, without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0028] While the embodiments of the present application have been shown and described, it is to be understood that the embodiments can be modified, altered, replaced and varied in many ways without departing from the principles and spirit of the present application.

Claims

1. A preheating furnace for QPQ treatment, comprising a preheating furnace body (1), characterized in that, The preheating furnace body (1) is provided with a plurality of side openings (2), a plurality of box frames (3) are movably inserted into the side openings (2), a plurality of box track grooves (4) are formed in the box frames (3), a plurality of placing boxes (5) are movably installed in the box track grooves (4) of the box frames (3), a plurality of fan-shaped track plates (6) are fixedly installed on the inner wall of the preheating furnace body (1), a plurality of heating plates (7) are arranged on the inner wall of the preheating furnace body (1), a motor (8) is fixedly installed on the top side of the preheating furnace body (1), one end of a drive rod (9) is fixedly installed on the output shaft of the motor (8), the other end of the drive rod (9) extends into the preheating furnace body (1) and is fixedly installed with a plurality of X-shaped plates (10), the X-shaped plates (10) are provided with a fitting piece mechanism corresponding to two placing boxes (5), a plurality of hole blocks (14) are fixedly installed on the outer wall of the preheating furnace body (1), a handle (15) is fixedly installed on the outer wall of each box frame (3), and the handle (15) of the box frame (3) is provided with a plug-in piece mechanism corresponding to two hole blocks (14).

2. A preheating furnace for QPQ treatment according to claim 1, characterized in that, The plurality of box frames (3) and the plurality of fan-shaped track plates (6) are arranged in a circular array, and the plurality of box frames (3) and the plurality of fan-shaped track plates (6) are arranged in a staggered manner.

3. A preheating furnace for QPQ treatment according to claim 2, characterized in that, The bottom sides of the plurality of box frames (3) and the plurality of fan-shaped track plates (6) are horizontally aligned, and the placing boxes (5) are adapted to the fan-shaped track plates (6).

4. A preheating furnace for QPQ treatment according to claim 3, characterized in that, The fitting piece mechanism comprises a connecting column (11) and an arc-shaped plate (12), one end of the connecting column (11) is fixedly installed on the bottom side of the X-shaped plate (10), the other end of the connecting column (11) is fixedly installed with the arc-shaped plate (12), and the plurality of arc-shaped plates (12) are abutted on the position between the corresponding two placing boxes (5).

5. A preheating furnace for QPQ treatment according to claim 3, characterized in that, The inner wall of the box frame (3) is fixedly installed with a limiting side plate (13).

6. A preheating furnace for QPQ treatment according to claim 5, characterized in that, The plug-in piece mechanism comprises a double-rod plug-in plate (16) and a handle (17), the double-rod plug-in plate (16) is arranged on the top side of the handle (15) of the box frame (3), the double-rod plug-in plate (16) penetrates through the handle (15) and is plugged into the corresponding hole block (14), and the handle (15) is provided with a handle (17).

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