阅读说明：本技术 一种凿岩机配件热处理加工用炉体结构 (Furnace body structure for heat treatment processing of rock drill accessories ) 是由 李文翱 李立军 赖敦盈 宋利斌 于 2021-07-22 设计创作，主要内容包括：本发明公开了一种凿岩机配件热处理加工用炉体结构,旨在解决配件加热处理的时候会出现受热不充分或者受热过于充分的状况,影响配件加工的效率的问题。其技术方案要点是：一种凿岩机配件热处理加工用炉体结构,包括加热炉本体,加热炉本体的底部设置有安装架,加热炉本体的内部设置有若干加热板,安装架上设置有用于驱动加热板转动的驱动设备,加热炉本体的内部设置有夹持组件。本发明的一种凿岩机配件热处理加工用炉体结构,配件通过夹持组件夹紧放入到加热炉本体内进行热加工,再通过带动设备带动夹持组件以及配件在加热炉本体内自行转动,同时加热板通过驱动设备的驱动能够进行转动,进而能够保证凿岩机配件热处理更为均匀和稳定。(The invention discloses a furnace body structure for heat treatment processing of accessories of a rock drill, and aims to solve the problem that the efficiency of accessory processing is influenced due to the fact that the accessories are insufficiently or excessively heated during heat treatment. The key points of the technical scheme are as follows: the utility model provides a furnace body structure is used in heat treatment of rock drill accessory, includes the heating furnace body, and the bottom of heating furnace body is provided with the mounting bracket, and the inside of heating furnace body is provided with a plurality of hot plates, is provided with on the mounting bracket to be used for driving hot plate pivoted drive arrangement, and the inside of heating furnace body is provided with the centre gripping subassembly. According to the furnace body structure for heat treatment processing of the rock drill fittings, the fittings are clamped by the clamping assembly and are placed into the heating furnace body for heat processing, the clamping assembly and the fittings are driven by the driving device to rotate in the heating furnace body, and meanwhile, the heating plate can rotate under the driving of the driving device, so that the rock drill fittings can be uniformly and stably heat treated.)

1. The utility model provides a furnace body structure is used in heat treatment of rock drill accessory, includes heating furnace body (2), its characterized in that: the bottom of the heating furnace body (2) is provided with a mounting rack (1), a plurality of heating plates (4) are arranged inside the heating furnace body (2), a driving device for driving the heating plates (4) to rotate is arranged on the mounting rack (1), a clamping assembly is arranged inside the heating furnace body (2), a driving device for driving the clamping assembly to rotate is arranged on the clamping assembly, the driving device comprises a first motor (6), a rotating shaft (7) fixedly connected with an output shaft of the first motor (6), a first bevel gear (8) fixedly connected with the rotating shaft (7) and a second bevel gear (9) meshed with the first bevel gear (8), the second bevel gear (9) is fixedly connected with the clamping assembly through a first rotating shaft (10), and a supporting rod (5) for fixing the first motor (6) is arranged on the mounting rack (1), the diameter of the support rod (5) is larger than that of the rotating shaft (7).

2. The furnace body structure for heat treatment processing of rock drill accessories according to claim 1, characterized in that: first supporting shaft (13) of fixedly connected with is gone up in first motor (6), fixedly connected with second back shaft (12) is gone up in first supporting shaft (13), second bevel gear (9) rotate with second back shaft (12) through second pivot (11) and are connected.

3. The furnace body structure for heat treatment processing of rock drill accessories according to claim 1, characterized in that: the clamping assembly comprises a supporting plate (14) fixedly connected with the first rotating shaft (10), a first gear (15) rotatably connected to the supporting plate (14) and a second gear (16) meshed with the first gear (15), a first clamping shaft (19) and a second clamping shaft (20) are arranged on the first gear (15) and the second gear (16) respectively, and a magnetic body and an adsorbed body are arranged at one end, close to the first clamping shaft (19) and the second clamping shaft (20), of the first clamping shaft (19) respectively.

4. The furnace body structure for heat treatment processing of rock drill accessories according to claim 3, characterized in that: one end of each of the first clamping shaft (19) and the second clamping shaft (20) close to the supporting plate (14) is provided with a first connecting rod (17) and a second connecting rod (18) which are rotatably connected with the supporting plate (14), the first connecting rod (17) is rotatably connected between the supporting plate (14) and the first clamping shaft (19), and the second connecting rod (18) is rotatably connected between the supporting plate (14) and the second clamping shaft (20).

5. The furnace body structure for heat treatment processing of the rock drill fitting according to claim 4, wherein: the inner walls of the first clamping shaft (19) and the second clamping shaft (20) are respectively provided with a silica gel pad, and the surface of the silica gel pad is provided with a plurality of anti-skidding bulges in a protruding mode.

6. The furnace body structure for heat treatment processing of rock drill accessories according to claim 1, characterized in that: drive arrangement includes the second motor, with output shaft fixed connection's of second motor first drive gear (22), a plurality of rotate connect first drive gear (23) and fixed connection first internal gear (21) on mounting bracket (1) on first drive gear (22) periphery wall, a plurality of first drive gear (23) mesh mutually with first drive gear (22), and are a plurality of first drive gear (23) mesh mutually with first internal gear (21), work as when first drive gear (22) rotate, it is a plurality of first drive gear (23) along the inner wall of first internal gear (21) rotates, and is a plurality of equal fixedly connected with drive pole (3) on first drive gear (23), drive pole (3) and hot plate (4) fixed connection.

7. The furnace body structure for heat treatment processing of rock drill accessories according to claim 1, characterized in that: the drive arrangement includes the third motor, with output shaft fixed connection's of third motor second drive gear (25), a plurality of second drive gear (26) and fixed connection in the second internal gear (24) of heating furnace body (2) bottom with second drive gear (25) engaged with, a plurality of the second drives gear (26) and second internal gear (24) engaged with, works as when first drive gear (22) rotate, it is a plurality of the second drives gear (26) and rotates and drive second internal gear (24) and rotate, and is a plurality of the equal fixed connection of hot plate (4) is on the inner wall of heating furnace body (2).

8. The furnace body structure for heat treatment processing of rock drill accessories according to claim 1, characterized in that: and the heating plates (4) are distributed under the clamping assembly in an annular array.

Technical Field

The invention relates to a heating furnace body structure, in particular to a furnace body structure for heat treatment processing of a rock drill fitting.

Background

Rock drills are tools used to directly mine rock material. It drills blastholes in the rock formations to deposit explosives to blast the rock to complete the extraction of rock material or other stone work. Furthermore, rock drills may also be used as breakers for breaking hard layers such as concrete. Rock drills can be classified into pneumatic rock drills, internal combustion rock drills, electric rock drills, hydraulic rock drills and the like according to power sources of the rock drills. When the rock drill fittings are machined, a heated furnace body is needed to be used for carrying out hot machining treatment on the rock drill fittings, the furnace body for the heat treatment machining of the mechanical fittings is used as common equipment in daily machining and heating treatment, large-scale hot machining equipment comprises equipment such as a smelting furnace and a smelting furnace, and small-scale common carbon-oxygen welding without the furnace body is also one of the equipment.

Heating furnace body among the prior art places rock drill accessory in heating furnace body's inside, then carry out the ohmic heating operation to heating furnace body, realize that rock drill accessory carries out the hot-working processing in heating furnace body, but the one end and the contact of heating furnace body inner wall of rock drill accessory, and steam from down flows for the part bottom at first accomplishes the processing, the accessory continues to carry out the thermal treatment this moment and accomplishes until whole processing, and then can appear being heated inadequately or being heated too abundant situation when can leading to accessory thermal treatment, influence the efficiency of accessory processing.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a furnace body structure for heat treatment processing of accessories of a rock drill, the accessories are clamped by a clamping assembly and are put into a heating furnace body for heat processing, then the clamping assembly and the accessories are driven by a driving device to rotate in the heating furnace body, and meanwhile, the heating plate can rotate by the driving of a driving device, so that the heat treatment of the accessories can be more uniform.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides a furnace body structure is used in heat treatment of rock drill accessory, includes the heating furnace body, the bottom of heating furnace body is provided with the mounting bracket, the inside of heating furnace body is provided with a plurality of hot plates, be provided with on the mounting bracket and be used for driving hot plate pivoted drive device, the inside of heating furnace body is provided with the centre gripping subassembly, be provided with on the centre gripping subassembly and drive centre gripping subassembly pivoted drive device, drive device include first motor, with the output shaft fixed connection's of first motor axis of rotation, with axis of rotation fixed connection's first bevel gear and with first bevel gear engaged with second bevel gear, second bevel gear is through first pivot and centre gripping subassembly fixed connection, be provided with the bracing piece that is used for fixed first motor on the mounting bracket, the diameter of bracing piece is greater than the diameter of axis of rotation.

By adopting the technical scheme, the accessory needs to be held tightly by the clamping component before being subjected to heat treatment, the accessory is positioned in the heating furnace body at the moment, the driving device is started to drive the heating plates to do circular motion along the outside of the accessory, so that the heating plates can be rotated to ensure the heat of the heating plates to be dissipated after being started, meanwhile, the accessory can be ensured to be heated all around under the rotation of the heating plates and to ensure that all parts of the accessory are simultaneously subjected to heat treatment, the uniformity of the heated accessory is ensured, then a worker can start the driving device to drive the clamping component and the accessory held tightly in the clamping component to rotate by oneself, the first motor is started to drive the rotating shaft to rotate, the first bevel gear can be driven to rotate along with the rotation of the rotating shaft when the rotating shaft rotates, and the second bevel gear meshed with the first bevel gear can be driven to rotate along with the rotation of the first bevel gear after the first bevel gear rotates, after the second bevel gear rotates, the first rotating shaft can drive the clamping assembly to rotate, the fitting can rotate at the moment, the heating plate and the fitting can rotate, so that the fitting can be heated uniformly in the continuous rotating process, and further the uniformity of heat treatment processing of the fitting is ensured, so that the heat treatment efficiency of the fitting and the quality of the fitting output are ensured.

The invention is further configured to: the first motor is fixedly connected with a first supporting shaft, the first supporting shaft is fixedly connected with a second supporting shaft, and the second bevel gear is rotatably connected with the second supporting shaft through a second rotating shaft.

Through adopting above-mentioned technical scheme, can drive the second pivot when second bevel gear rotates and rotate on the second back shaft again, and first back shaft supports the second back shaft, guarantees second bevel gear pivoted dynamics, and then can not lead to whole heating furnace body to take place great rocking for second bevel gear is more stable when rotating.

The invention is further configured to: the centre gripping subassembly includes the backup pad with first pivot fixed connection, rotates the first gear of connection in the backup pad and with the second gear of first gear looks meshing, be provided with first clamp shaft and second clamp shaft on first gear and the second gear respectively, the one end that first clamp shaft and second clamp shaft are close to is provided with magnetic substance and adsorbed body respectively.

Through adopting above-mentioned technical scheme, when needs press from both sides the accessory, rotate first clamp shaft and second clamp shaft, make first gear and second gear rotate in the backup pad, first clamp shaft separates with second clamp shaft this moment, then continue to rotate first clamp shaft and second and press from both sides tight axial accessory and be close to, make the accessory clamp between first clamp shaft and second clamp shaft, the accessory is located the central point department of heating furnace body this moment, and first gear and second gear meshing together can prevent first clamp shaft and second clamp shaft from rotating by oneself, and magnetic substance and adsorbate can adsorb together when first clamp shaft and second clamp shaft press from both sides the clamp and increase the stability when first clamp shaft and second clamp shaft press from both sides.

The invention is further configured to: the clamping device is characterized in that a first connecting rod and a second connecting rod which are rotatably connected with the supporting plate are respectively arranged at one ends, close to the supporting plate, of the first clamping shaft and one ends, close to the supporting plate, of the second clamping shaft, the first connecting rod is rotatably connected between the supporting plate and the first clamping shaft, and the second connecting rod is rotatably connected between the supporting plate and the second clamping shaft.

Through adopting above-mentioned technical scheme, when first clamp shaft and second clamp shaft rotate, the head rod rotates between first clamp shaft and backup pad, and the second connecting rod rotates between second clamp shaft and backup pad, and then makes first clamp shaft and second clamp shaft more stable when taking place to rotate, and first clamp shaft can not take place to rotate by oneself with second clamp shaft, and then guarantees the stability of first clamp shaft and second clamp shaft when pressing from both sides tight accessory.

The invention is further configured to: the inner walls of the first clamping shaft and the second clamping shaft are provided with silica gel pads, and the surfaces of the silica gel pads are provided with a plurality of anti-skidding bulges in a protruding mode.

Through adopting above-mentioned technical scheme, the setting up of silica gel pad can increase the dynamics that first clamp shaft and second press from both sides tight accessory, and the non-slip raised can further increase the frictional force between first clamp shaft and second clamp shaft and the accessory simultaneously, guarantees first clamp shaft and the tight dynamics of second clamp shaft clamp.

The invention is further configured to: drive arrangement includes the second motor, with the first drive gear of the output shaft fixed connection of second motor, a plurality of first drive gear of rotation connection on first drive gear periphery wall and the first internal gear of fixed connection on the mounting bracket, a plurality of first drive gear meshes with first drive gear mutually, and is a plurality of first drive gear meshes with first internal gear mutually, works as when first drive gear rotates, and is a plurality of first drive gear along the inner wall of first internal gear rotates, and is a plurality of equal fixedly connected with drive rod on the first drive gear, drive rod and hot plate fixed connection.

By adopting the technical scheme, when the heating plate needs to be driven to rotate, the heating plate is distributed on the inner wall of the heating furnace body at the moment, the second motor is started, the second motor drives the first driving gear to rotate on the mounting rack, the first driving gear can drive the first driving gears to rotate along with the rotation of the first driving gear when rotating, the first driving gears can start to do circular motion along the inner wall of the first internal gear under the action of driving force, so that the driving rod on the first driving gear is driven to rotate in the heating furnace body along with the rotation of the first driving gear, meanwhile, the driving rod can drive the heating plate to move along with the circular motion of the first driving gear, so that the heating plate can do circular motion in the heating furnace body, the heating plate works along the outside of the accessory at the moment, and then all surfaces of the accessory can be heated simultaneously under the rotation of the accessory by self to ensure the uniformity of the accessory heating, thereby ensuring the quality and efficiency of the heat treatment of the fittings.

The invention is further configured to: the drive device comprises a third motor, a second drive gear fixedly connected with an output shaft of the third motor, a plurality of second drive gears meshed with the second drive gear, and a second internal gear fixedly connected to the bottom of the heating furnace body.

Through adopting above-mentioned technical scheme, when needs drive hot plate rotate, hot plate distribution this moment is on the inner wall of heating furnace body, restart third motor, make the third motor drive second drive gear rotate on the mounting bracket, can drive a plurality of seconds and drive the gear and rotate along with second drive gear's rotation when second drive gear rotates, the second internal gear can begin to rotate and drive whole heating furnace body and begin to rotate on the mounting bracket under the effect of drive force this moment, and this internal hot plate of heating furnace also can rotate along with the rotation of heating furnace body, then under the rotation of accessory self again, can realize that the accessory can receive the heat simultaneously all around when this internal processing of heating furnace, and then make the accessory can be heated evenly in the heating process, guarantee the efficiency of accessory thermal treatment.

The invention is further configured to: and the heating plates are distributed under the clamping assembly in an annular array.

Through adopting above-mentioned technical scheme, the hot plate that is the annular array and distributes can increase the radiating effect of self, and when driving the accessory rotation along with the centre gripping subassembly, the accessory can also carry out thermal treatment all around, guarantees the efficiency of accessory thermal treatment.

In conclusion, the invention has the following beneficial effects: the accessory is clamped by the clamping component and is put into the heating furnace body for hot processing, the clamping component and the accessory are driven by the driving device to rotate in the heating furnace body, the heating plate can be driven by the driving device to rotate, and therefore the heat treatment of the rock drill accessory can be guaranteed to be more uniform and stable, the heating efficiency of the accessory can be guaranteed, and the quality of the accessory output can be guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of a heating furnace body, a heating plate and a driving device according to a first embodiment of the invention;

FIG. 2 is an enlarged view of part A of FIG. 1, which is mainly used to show the structure of the clamping assembly;

fig. 3 is a schematic structural diagram of a driving apparatus according to a first embodiment of the present invention;

fig. 4 is a schematic structural diagram of a driving apparatus according to a second embodiment of the present invention.

In the figure: 1. a mounting frame; 2. a heating furnace body; 3. driving the rod; 4. heating plates; 5. a support bar; 6. A first motor; 7. a rotating shaft; 8. a first bevel gear; 9. a second bevel gear; 10. a first rotating shaft; 11. A second rotating shaft; 12. a second support shaft; 13. a first support shaft; 14. a support plate; 15. a first gear; 16. a second gear; 17. a first connecting rod; 18. a second connecting rod; 19. a first clamping shaft; 20. a second clamping shaft; 21. a first internal gear; 22. a first drive gear; 23. a first drive gear; 24. a second internal gear; 25. a second drive gear; 26. the second drives the gear.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it is to be noted that the embodiments and features of the embodiments of the present application can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in detail below with reference to the accompanying drawings.

The first embodiment is as follows: a furnace body structure for heat treatment processing of rock drill fittings is disclosed, referring to fig. 1-3, comprising a heating furnace body 2, a mounting frame 1 is arranged at the bottom of the heating furnace body 2, a plurality of heating plates 4 are arranged inside the heating furnace body 2, a driving device for driving the heating plates 4 to rotate is arranged on the mounting frame 1, a clamping component is arranged inside the heating furnace body 2, a driving device for driving the clamping component to rotate is arranged on the clamping component, the driving device comprises a first motor 6, a rotating shaft 7 welded with an output shaft of the first motor 6, a first bevel gear 8 welded with the rotating shaft 7 and a second bevel gear 9 meshed with the first bevel gear 8, the second bevel gear 9 is welded and fixed with the clamping component through a first rotating shaft 10, a support rod 5 for fixing the first motor 6 is arranged on the mounting frame 1, the support rod 5 is fixed with the first motor 6 through a bolt, and the diameter of the supporting rod 5 is larger than that of the rotating shaft 7, and the heating plates 4 are distributed under the clamping assembly in an annular array.

A first support shaft 13 is fixed on the first motor 6 through a bolt, a second support shaft 12 is welded on the first support shaft 13, and the second bevel gear 9 is rotatably connected with the second support shaft 12 through a second rotating shaft 11.

The clamping assembly comprises a supporting plate 14 welded with the first rotating shaft 10, a first gear 15 rotatably connected to the supporting plate 14 and a second gear 16 meshed with the first gear 15, a first clamping shaft 19 and a second clamping shaft 20 are respectively arranged on the first gear 15 and the second gear 16, a magnetic body and an adsorbed body are respectively arranged at one ends, close to the supporting plate 14, of the first clamping shaft 19 and one end, close to the second clamping shaft 20, of the second clamping shaft 20, a first connecting rod 17 and a second connecting rod 18 rotatably connected with the supporting plate 14 are respectively arranged at one ends, close to the supporting plate 14, of the first clamping shaft 19 and one end, close to the supporting plate 14, of the second clamping shaft 20, the first connecting rod 17 is rotatably connected between the supporting plate 14 and the first clamping shaft 19, and the second connecting rod 18 is rotatably connected between the supporting plate 14 and the second clamping shaft 20.

The inner walls of the first clamping shaft 19 and the second clamping shaft 20 are fixedly bonded with silica gel pads with good thermoplasticity, and a plurality of anti-skidding protrusions are arranged on the surfaces of the silica gel pads in a protruding mode.

The drive device comprises a second motor, a first drive gear 22 welded with an output shaft of the second motor, a plurality of first drive gears 23 connected to the outer peripheral wall of the first drive gear 22 in a rotating manner and a first internal gear 21 welded on the mounting rack 1, a plurality of first drive gears 23 are meshed with the first drive gear 22, a plurality of first drive gears 23 are meshed with the first internal gear 21, when the first drive gear 22 rotates, a plurality of first drive gears 23 rotate along the inner wall of the first internal gear 21, a drive rod 3 is welded on each of the first drive gears 23, and the drive rod 3 is fixedly welded with the heating plate 4.

The working principle is as follows: before the heat treatment of the accessory, the accessory is held tightly by a clamping component, at the moment, the accessory is positioned in a heating furnace body 2, a driving device is started to drive a plurality of heating plates 4 to do circular motion along the outside of the accessory, so that the heating plates 4 can be rotated to ensure the heat of the heating plates 4 to be dissipated, meanwhile, the accessory can be ensured to be heated in all four directions under the rotation of the heating plates 4 and to ensure that all parts of the accessory are simultaneously subjected to heat processing treatment, the uniformity of the heated accessory is ensured, then a worker can start the driving device to drive the clamping component and the accessory held tightly in the clamping component to rotate by self, the first motor 6 is started to drive the rotating shaft 7 to rotate by opening the first motor 6, the first bevel gear 8 can be driven to rotate along with the rotation of the rotating shaft 7 when the rotating shaft 7 rotates, the second bevel gear 9 meshed with the first bevel gear 8 can be driven to rotate along with the rotation of the first bevel gear 8 after the first bevel gear 8 rotates, after the second bevel gear 9 rotates, the first rotating shaft 10 can drive the clamping assembly to rotate, the fitting can rotate, the heating plate 4 and the fitting can rotate, so that the fitting can be heated uniformly in the continuous rotating process, the uniformity of heat treatment processing of the fitting is further ensured, and the heat treatment efficiency of the fitting and the quality of the fitting output are ensured.

When the accessory needs to be clamped, the first clamping shaft 19 and the second clamping shaft 20 are rotated, so that the first gear 15 and the second gear 16 rotate on the supporting plate 14, the first clamping shaft 19 and the second clamping shaft 20 are separated, then the first clamping shaft 19 and the second clamping shaft 20 are continuously rotated to approach the accessory, so that the accessory is clamped between the first clamping shaft 19 and the second clamping shaft 20, the accessory is located at the central position of the heating furnace body 2, the first gear 15 and the second gear 16 are meshed together, the first clamping shaft 19 and the second clamping shaft 20 can be prevented from rotating by themselves, and the magnetic body and the adsorbed body can be adsorbed together when the first clamping shaft 19 and the second clamping shaft 20 are clamped, so that the stability of the first clamping shaft 19 and the second clamping shaft 20 is improved.

When the first clamping shaft 19 and the second clamping shaft 20 rotate, the first connecting rod 17 rotates between the first clamping shaft 19 and the supporting plate 14, the second connecting rod 18 rotates between the second clamping shaft 20 and the supporting plate 14, so that the first clamping shaft 19 and the second clamping shaft 20 are more stable when rotating, the first clamping shaft 19 and the second clamping shaft 20 cannot rotate by themselves, and the stability of the first clamping shaft 19 and the second clamping shaft 20 when clamping accessories is ensured.

When the heating plate 4 needs to be driven to rotate, the heating plate 4 at the moment is distributed on the inner wall of the heating furnace body 2, the second motor is restarted, the second motor drives the first driving gear 22 to rotate on the mounting rack 1, the first driving gear 22 can drive the first driving gears 23 to rotate along with the rotation of the first driving gear 22 when rotating, the first driving gears 23 can start to do circular motion along the inner wall of the first internal gear 21 under the action of driving force, the driving rod 3 on the first driving gear 23 is further driven to rotate in the heating furnace body 2 along with the rotation of the first driving gear 23, the driving rod 3 can drive the heating plate 4 to move along with the circular motion of the first driving gear 23, the heating plate 4 can do circular motion in the heating furnace body 2, at the moment, the heating plate 4 works along the outside of the accessory, and then the situation that all surfaces of the accessory can be heated simultaneously under the rotation of the accessory itself is guaranteed to ensure that the accessory can be heated simultaneously The uniformity of part heating, and then guarantee the quality and the efficiency of accessory heat treatment.

Example two: compared with the first embodiment, the second embodiment is different in that: referring to fig. 4, the driving device includes a third motor, a second driving gear 25 welded to an output shaft of the third motor, a plurality of second driving gears 26 engaged with the second driving gear 25 and a second internal gear 24 welded to the bottom of the heating furnace body 2, the second internal gear 24 is rotatably connected to the mounting frame 1, the plurality of second driving gears 26 are engaged with the second internal gear 24, when the first driving gear 22 rotates, the plurality of second driving gears 26 rotate and drive the second internal gear 24 to rotate, and the plurality of heating plates 4 are all welded to the inner wall of the heating furnace body 2.

The working principle is as follows: when needs drive hot plate 4 and rotate, hot plate 4 at this moment distributes on the inner wall of heating furnace body 2, restart third motor, make the third motor drive second drive gear 25 and rotate on mounting bracket 1, can drive a plurality of seconds and drive gear 26 and rotate along with second drive gear 25's rotation when second drive gear 25 rotates, second internal gear 24 can begin to rotate and drive whole heating furnace body 2 and begin to rotate on mounting bracket 1 under the effect of drive power this moment, and hot plate 4 in heating furnace body 2 also can rotate along with heating furnace body 2's rotation, then under the rotation of accessory self again, can realize that the accessory can receive the heat simultaneously all around when heating furnace body 2 internal processing, and then make the accessory can be heated evenly in the heating process, guarantee the efficiency of accessory thermal treatment.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.