Chain transmission double-layer roller hearth type heating furnace

Abstract

The utility model provides a chain transmission double-layer roller hearth type heating furnace, and belongs to the technical field of heating furnaces. The chain transmission double-layer roller hearth type heating furnace comprises a furnace body, a first transmission roller, a first driving chain wheel, a first supporting chain wheel, a first chain, a second transmission roller, a second driving chain wheel, a second supporting chain wheel, a second chain, a tray and a heating mechanism. The furnace body is a hollow cavity; the furnace body is used for supporting the multiple first transmission rollers and supporting the multiple second transmission rollers, and the second transmission rollers are located below the first transmission rollers, so that the multiple first transmission rollers and the multiple second transmission rollers can rotate in the furnace body at the same time; therefore, the first transmission roller and the second transmission roller can drive different workpieces to move, the multiple workpieces can move in the furnace body, and the product conveying efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of heating furnace, specifically relates to a chain drive double -deck roller bottom formula heating furnace. BACKGROUND

[0002] In the related art, when the workpiece is heat treated, the workpiece is placed in the heating furnace, so that the heating furnace heats the workpiece to complete the heat treatment process of the workpiece.

[0003] Prior art (announcement number: CN220230021U) discloses a roller bottom formula tunnel heating furnace, including base and furnace body, the top of base is provided with fixed slot, and the front surface of fixed slot inner wall one side is rotatably connected with first rotating rod, the back of fixed slot inner wall is rotatably connected with second rotating rod between the both sides, the both sides of first rotating rod and second rotating rod surface are all fixedly connected with gear, and the opposite side between the both sides of two gears surface is transmissionally connected with chain, the utility model relates to heating furnace technical field.The roller bottom formula tunnel heating furnace, the top of two chains opposite side is fixedly connected with cleaning mechanism, and the motor drives the gear to rotate through first rotating rod, the gear drives second rotating rod to rotate under the driving of chain, so that the chain can convey the cleaning mechanism, and the transmission roller surface is cleaned, avoids the impurity to adhere on transmission roller, and will not cause the pollution of subsequent baking workpiece.

[0004] In the prior art, only one workpiece can be moved, so the product transmission efficiency is reduced. UTILITY MODEL CONTENTS

[0005] In order to solve the above-mentioned prior art existing only to drive one workpiece to move, reduce the product transmission efficiency Problem, the utility model provides a kind of chain drive double -deck roller bottom formula heating furnace, multiple first transmission rollers and multiple second transmission rollers can be rotated simultaneously in furnace body, so that first transmission roller and second transmission roller can drive different workpieces to move, and multiple workpieces can be moved in furnace body, to improve the effect of product transmission efficiency.Its specific technical scheme is as follows:

[0006] The chain transmission double-layer roller bottom type heating furnace comprises a furnace body, first transmission rollers, first driving sprockets, first supporting sprockets, a first chain, second transmission rollers, second driving sprockets, second supporting sprockets, a second chain, a tray and heating mechanisms; the furnace body is a hollow cavity; the first transmission rollers are ceramic bodies, a plurality of the first transmission rollers are located in the furnace body, and two ends of the plurality of the first transmission rollers are rotationally connected with the furnace body; a plurality of the first driving sprockets are located on the outside of the furnace body, and the plurality of the first driving sprockets are connected with the plurality of the first transmission rollers respectively; two first supporting sprockets are located on the outside of the furnace body, and the two first supporting sprockets are rotationally connected with the furnace body; the first chain is sleeved on the outside of the two first supporting sprockets simultaneously, and the plurality of the first driving sprockets are embedded in the first chain; the second transmission rollers are ceramic bodies, a plurality of the second transmission rollers are located in the furnace body, and two ends of the plurality of the second transmission rollers are rotationally connected with the furnace body; a plurality of the second driving sprockets are located on the outside of the furnace body, and the plurality of the second driving sprockets are connected with the plurality of the second transmission rollers respectively; two second supporting sprockets are located on the outside of the furnace body, and the two second supporting sprockets are rotationally connected with the furnace body; the second chain is sleeved on the outside of the two second supporting sprockets simultaneously, and the plurality of the second driving sprockets are embedded in the second chain; the tray is a hollow cavity with an opening at the top, the tray is located between the plurality of the first transmission rollers and the plurality of the second transmission rollers, and two ends of the tray are connected with two inner walls of the furnace body respectively; two heating mechanisms are installed in the furnace body, one heating mechanism is located above the first transmission rollers, and the other heating mechanism is located below the second transmission rollers.

[0007] In addition, the chain transmission double-layer roller bottom type heating furnace provided by the above technical scheme can further have the following additional technical features.

[0008] In the above technical scheme, the chain transmission double-layer roller bottom type heating furnace further comprises a first mounting plate, a first motor, a third driving sprocket and a third supporting sprocket; the first mounting plate is fixed on a side wall of the furnace body, and the first mounting plate is located below the first chain; the first motor is provided with a first output shaft, and the first motor is installed on the first mounting plate; the third driving sprocket is sleeved on the outside of the first output shaft of the first motor, and the first chain is sleeved on the outside of the third driving sprocket; two third supporting sprockets are rotationally connected with a side wall of the furnace body, and the two third supporting sprockets are embedded in the first chain; wherein, the two third supporting sprockets are located on the two sides of the third driving sprocket.

[0009] In the technical scheme, the chain transmission double-layer roller bottom type heating furnace further comprises a second mounting plate, a second motor, a fourth driving sprocket and a fourth supporting sprocket; the second mounting plate is fixed on the other side wall of the furnace body, and the second mounting plate is located below the second chain; the second motor is provided with a second output shaft, and the second motor is installed on the second mounting plate; the fourth driving sprocket is sleeved on the outer side of the second output shaft of the second motor, and the second chain is sleeved on the outer side of the fourth driving sprocket; the two fourth supporting sprockets are rotationally connected with the other side wall of the furnace body, and the two fourth supporting sprockets are embedded in the second chain; wherein the two fourth supporting sprockets are located on the two sides of the fourth driving sprocket.

[0010] In the technical scheme, the chain transmission double-layer roller bottom type heating furnace further comprises a first chain guide rail and a second chain guide rail; the two first chain guide rails are installed on the side wall of the furnace body, and the first chain is placed on the two first chain guide rails; the two second chain guide rails are installed on the other side wall of the furnace body, and the second chain is placed on the two second chain guide rails.

[0011] In the technical scheme, the chain transmission double-layer roller bottom type heating furnace further comprises a first clamping piece, a first connecting seat, a first supporting plate and a partition plate; the first clamping piece is U-shaped, and the two first clamping pieces are respectively connected with the two ends of the tray; the first connecting seat is L-shaped, a plurality of first connecting seats are respectively connected with the two inner walls of the furnace body, and the plurality of first connecting seats are located on the two sides of the tray; a plurality of first supporting plates are respectively connected with the end portions of the plurality of first connecting seats, and the first supporting plates are embedded in the first clamping pieces; a plurality of partition plates are embedded in the tray, the plurality of partition plates are connected with the inner wall of the tray, and the plurality of partition plates are respectively located below the plurality of first transmission rollers.

[0012] In the technical scheme, the heating mechanism comprises a radiation pipe, an air valve, a burner, a gas pipe, an air pipe and a waste gas pipe; the radiation pipe is a hollow cavity, the radiation pipe is located in the furnace body, and the two ends of the radiation pipe are respectively connected with the two inner walls of the furnace body; the air valve is installed on the outer side of the furnace body, and the air valve is in communication with the radiation pipe; the burner is installed on the outer side of the air valve, and the output end of the burner is in communication with the air valve; the gas pipe is installed on the outer side of the furnace body, and the gas pipe is in communication with the burner; the air pipe is installed on the outer side of the furnace body, and the air pipe is in communication with the air valve; the waste gas pipe is installed on the outer side of the furnace body, and the waste gas pipe is in communication with the air valve.

[0013] In the technical scheme, the heating mechanism comprises a supporting roller and an electric heating wire; the supporting roller is located in the furnace body, and the two ends of the supporting roller are respectively connected with the two inner walls of the furnace body; the electric heating wire is sleeved on the outer side of the supporting roller, the electric heating wire passes through the side wall of the furnace body, and the electric heating wire is electrically connected with the power supply.

[0014] In the technical scheme, the chain transmission double-layer roller bottom type heating furnace further comprises a baffle and a flow-through opening;

[0015] The baffle is V-shaped, the baffle is located in the furnace body, two ends of the baffle are connected with two inner walls of the furnace body respectively, the baffle is located below the second transmission roller, and the baffle is located above the supporting roller; the flow-through port is long strip-shaped, and a plurality of flow-through ports are arranged in the baffle in a penetrating mode.

[0016] In the above technical scheme, the chain transmission double-layer roller bottom type heating furnace further comprises: a second clamping piece, a second connecting seat and a second supporting plate; the second clamping piece is U-shaped, and two second clamping pieces are connected with two ends of the baffle respectively; the second connecting seat is L-shaped, a plurality of second connecting seats are connected with two inner walls of the furnace body respectively, and the plurality of second connecting seats are located on two sides of the baffle; a plurality of second supporting plates are connected with end portions of the plurality of second connecting seats respectively, and the second supporting plates are embedded in the second clamping pieces.

[0017] Compared with the prior art, the chain transmission double-layer roller bottom type heating furnace has the beneficial effects that:

[0018] 1. The furnace body supports the plurality of first transmission rollers, supports the plurality of second transmission rollers, and locates the second transmission rollers below the first transmission rollers, so that the plurality of first transmission rollers and the plurality of second transmission rollers can rotate in the furnace body at the same time, thereby realizing that the first transmission rollers and the second transmission rollers can drive different workpieces to move, and further realizing that the plurality of workpieces can move in the furnace body, so as to improve the transmission efficiency of products. The plurality of first driving sprockets are connected with the plurality of first transmission rollers respectively, and the plurality of first driving sprockets are embedded in the first chain, so that the plurality of first driving sprockets are clamped with the first chain at the same time, thereby moving the first chain, driving the first driving sprockets and the first transmission rollers to rotate at the same time, and compared with driving the plurality of first transmission rollers to rotate by the plurality of driving devices respectively, the number of driving devices is reduced, and the production cost of products is further reduced. The plurality of second driving sprockets are connected with the plurality of second transmission rollers respectively, and the plurality of second driving sprockets are embedded in the second chain, so that the plurality of second driving sprockets are clamped with the second chain at the same time, thereby moving the second chain, driving the second driving sprockets and the second transmission rollers to rotate at the same time, and compared with driving the plurality of second transmission rollers to rotate by the plurality of driving devices respectively, the number of driving devices is reduced, and the production cost of products is further reduced.

[0019] 2. By sleeving the third drive sprocket outside the first output shaft of the first motor, and sleeving the first chain outside the third drive sprocket, the first motor can drive the third drive sprocket to rotate, so that the third drive sprocket can drive the first chain to move, and then multiple first drive sprockets are driven to rotate simultaneously. By rotatingly connecting the two third supporting sprockets with the side wall of the furnace body, and embedding the two third supporting sprockets into the first chain, the furnace body supports the two third supporting sprockets, so that the two third supporting sprockets support the first chain, so that the first chain is in a tight state, ensuring that the first chain can drive multiple first drive sprockets to rotate.

[0020] 3. By sleeving the fourth drive sprocket outside the second output shaft of the second motor, and sleeving the second chain outside the fourth drive sprocket, the second motor can drive the fourth drive sprocket to rotate, so that the fourth drive sprocket can drive the second chain to move, and then multiple second drive sprockets are driven to rotate simultaneously. By rotatingly connecting the two fourth supporting sprockets with the side wall of the furnace body, and embedding the two fourth supporting sprockets into the second chain, the furnace body supports the two fourth supporting sprockets, so that the two fourth supporting sprockets support the second chain, so that the second chain is in a tight state, ensuring that the second chain can drive multiple second drive sprockets to rotate.

[0021] 4. By installing the two first chain guides on the side wall of the furnace body, and placing the first chain on the two first chain guides, the furnace body supports the two first chain guides, so that the two first chain guides support the first chain, thereby improving the stability of the movement of the first chain; by installing the two second chain guides on the other side wall of the furnace body, and placing the second chain on the two second chain guides, the furnace body supports the two second chain guides, so that the two second chain guides support the second chain, thereby improving the stability of the movement of the second chain.

[0022] 5. By connecting the first supporting plate with the end of the first connecting seat, and embedding the first supporting plate into the first clamping piece, the first connecting seat supports the first supporting plate, so that the first supporting plate supports the tray through the first clamping piece, not only improving the stability of the tray, but also allowing the tray to be quickly taken, thereby improving the user experience of the product.

[0023] 6. The air valve is supported by the furnace body by installing the air valve on the outside of the furnace body and connecting the air valve with the radiation pipe; the gas pipe is connected with the burner by installing the burner on the outside of the air valve, connecting the output end of the burner with the air valve, and connecting the gas pipe with the burner, so that the gas in the gas pipe can flow into the burner, the gas mixes with the air flowing into the air valve, the burner ignites the gas to generate heat, and the heat flows into the radiation pipe, so that the radiation pipe can radiate heat.

[0024] 7. The electric heating wire is supported by the supporting roller by sleeving the electric heating wire on the outside of the supporting roller, penetrating the electric heating wire through the side wall of the furnace body, and electrically connecting the electric heating wire with the power source, so that the power source supplies power to the electric heating wire, the electric heating wire generates heat, and the workpiece is heated.

[0025] 8. The baffle is supported by the furnace body by locating the baffle in the furnace body, connecting the two ends of the baffle with the two inner walls of the furnace body, locating the baffle below the second transmission roller, and locating the baffle above the supporting roller, so that the baffle protects the supporting roller and the electric heating wire, avoids the damage of the oxide skin and the material piece on the workpiece on the second transmission roller to the supporting roller and the electric heating wire due to the heat, and improves the quality of the product; the heat generated by the electric heating wire can heat the workpiece through the flow-through openings by penetrating a plurality of long strip-shaped flow-through openings in the baffle, so that the baffle avoids blocking the heat, and the heating efficiency of the product is improved.

[0026] 9. The second support plate is supported by the second connecting seat by connecting the second support plate with the end of the second connecting seat and embedding the second support plate in the second clamping piece, so that the second support plate supports the baffle through the second clamping piece, which not only improves the stability of the baffle, but also enables the baffle to be quickly taken, thereby improving the use experience of the product. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a perspective view of a chain transmission double-layer roller bottom type heating furnace of the utility model;

[0028] Figure 2 It is Figure 1 A local enlarged view of the A place;

[0029] Figure 3 It is Figure 1 A local enlarged view of the B place;

[0030] Figure 4 It is a perspective view of a chain transmission double-layer roller bottom type heating furnace of the utility model;

[0031] Figure 5 It is Figure 4 A local enlarged view of the C place;

[0032] Figure 6 Figure 3 is a perspective view of a third chain transmission double-deck roller bottom type heating furnace according to the present application;

[0033] Figure 7 Figure 4 is a partial enlarged view of D of Figure 1; Figure 6

[0034] Figure 8 Figure 5 is a partial enlarged view of E of Figure 1; Figure 6

[0035] The correspondence between the reference signs and the component names in the drawings is as follows: Figures 1 to 8

[0036] 10 furnace body, 11 first transmission roller, 12 first driving sprocket, 13 first supporting sprocket, 14 first chain, 15 second transmission roller, 16 second driving sprocket, 17 second supporting sprocket, 18 second chain, 19 tray, 20 heating mechanism, 201 radiation pipe, 202 air valve, 203 burner, 204 gas pipe, 205 air pipe, 206 exhaust pipe, 207 supporting roller, 208 electric heating wire, 21 first mounting plate, 22 first motor, 23 third driving sprocket, 24 third supporting sprocket, 25 second mounting plate, 26 second motor, 27 fourth driving sprocket, 28 fourth supporting sprocket, 29 first chain guide rail, 30 second chain guide rail, 31 first clamping piece, 32 first connecting seat, 33 first supporting plate, 34 partition plate, 35 baffle, 36 flow-through opening, 37 second clamping piece, 38 second connecting seat, 39 second supporting plate. DETAILED DESCRIPTION

[0037] The present application will be further described below in conjunction with specific implementation cases and the accompanying drawings. Figures 1 to 8 The present application will be further described below in conjunction with specific implementation cases and the accompanying drawings.

[0038] A chain transmission double-deck roller bottom type heating furnace, such as Figures 1 to 8 ​​​As shown, the chain transmission double-layer roller bottom type heating furnace comprises a furnace body 10, a first transmission roller 11, a first driving sprocket 12, a first supporting sprocket 13, a first chain 14, a second transmission roller 15, a second driving sprocket 16, a second supporting sprocket 17, a second chain 18, a tray 19 and a heating mechanism 20; the furnace body 10 is a hollow cavity; the first transmission roller 11 is a ceramic body, a plurality of first transmission rollers 11 are located in the furnace body 10, and both ends of the plurality of first transmission rollers 11 are rotatably connected with the furnace body 10; a plurality of first driving sprockets 12 are located on the outside of the furnace body 10, and the plurality of first driving sprockets 12 are respectively connected with the plurality of first transmission rollers 11; two first supporting sprockets 13 are located on the outside of the furnace body 10, and the two first supporting sprockets 13 are rotatably connected with the furnace body 10; the first chain 14 is simultaneously sleeved on the outside of the two first supporting sprockets 13, and the plurality of first driving sprockets 12 are embedded in the first chain 14; the second transmission roller 15 is a ceramic body, a plurality of second transmission rollers 15 are located in the furnace body 10, and both ends of the plurality of second transmission rollers 15 are rotatably connected with the furnace body 10; a plurality of second driving sprockets 16 are located on the outside of the furnace body 10, and the plurality of second driving sprockets 16 are respectively connected with the plurality of second transmission rollers 15; two second supporting sprockets 17 are located on the outside of the furnace body 10, and the two second supporting sprockets 17 are rotatably connected with the furnace body 10; the second chain 18 is simultaneously sleeved on the outside of the two second supporting sprockets 17, and the plurality of second driving sprockets 16 are embedded in the second chain 18; the tray 19 is a hollow cavity with an opening at the top, the tray 19 is located between the plurality of first transmission rollers 11 and the plurality of second transmission rollers 15, and both ends of the tray 19 are respectively connected with two inner walls of the furnace body 10; two heating mechanisms 20 are installed in the furnace body 10, one heating mechanism 20 is located above the first transmission roller 11, and the other heating mechanism 20 is located below the second transmission roller 15.

[0039] The furnace body 10 is arranged as a hollow cavity to realize that the furnace body 10 has a containing space inside; the plurality of first transmission rollers 11 are located in the furnace body 10, the two ends of the plurality of first transmission rollers 11 are rotationally connected with the furnace body 10, and the plurality of first driving sprockets 12 are connected with the plurality of first transmission rollers 11 respectively, so as to realize that the furnace body 10 supports the plurality of first transmission rollers 11, so that the first transmission rollers 11 can rotate in the furnace body 10, so that the rotating first transmission rollers 11 can drive the workpiece to move in the furnace body 10, and the first driving sprockets 12 can also rotate synchronously with the first transmission rollers 11; the two first supporting sprockets 13 are rotationally connected with the furnace body 10, the first chain 14 is sleeved on the outer sides of the two first supporting sprockets 13 at the same time, and the plurality of first driving sprockets 12 are embedded in the first chain 14, so as to realize that the two first supporting sprockets 13 support the first chain 14, and the first chain 14 can also be clamped with the plurality of first driving sprockets 12 at the same time, so that when the first chain 14 moves, the first chain 14 can drive the plurality of first driving sprockets 12 to rotate at the same time, and then drive the plurality of first transmission rollers 11 to rotate. The plurality of second transmission rollers 15 are located in the furnace body 10, the two ends of the plurality of second transmission rollers 15 are rotationally connected with the furnace body 10, and the plurality of second driving sprockets 16 are connected with the plurality of second transmission rollers 15 respectively, so as to realize that the furnace body 10 supports the plurality of second transmission rollers 15, so that the second transmission rollers 15 can rotate in the furnace body 10, so that the rotating second transmission rollers 15 can drive the workpiece to move in the furnace body 10, and the second driving sprockets 16 can also rotate synchronously with the second transmission rollers 15; the two second supporting sprockets 17 are rotationally connected with the furnace body 10, the second chain 18 is sleeved on the outer sides of the two second supporting sprockets 17 at the same time, and the plurality of second driving sprockets 16 are embedded in the second chain 18, so as to realize that the two second supporting sprockets 17 support the second chain 18, and the second chain 18 can also be clamped with the plurality of second driving sprockets 16 at the same time, so that when the second chain 18 moves, the second chain 18 can drive the plurality of second driving sprockets 16 to rotate at the same time, and then drive the plurality of second transmission rollers 15 to rotate. The two ends of the tray 19 are connected with the two inner walls of the furnace body 10 respectively, and the tray 19 is located between the plurality of first transmission rollers 11 and the plurality of second transmission rollers 15, so as to realize that the furnace body 10 supports the tray 19, so that when the plurality of first transmission rollers 11 cooperate to drive the workpiece to move, the workpiece is heated to generate scales and pieces, which can fall into the tray 19, so as to realize that the scales and pieces are collected and stored, and the scales and pieces can also be prevented from falling on the workpiece placed on the second transmission roller 15, so as to improve the use experience of the product.By installing two heating mechanisms 20 in the furnace body 10, one heating mechanism 20 is located above the first transmission roller 11, and the other heating mechanism 20 is located below the second transmission roller 15, so that the furnace body 10 supports the two heating mechanisms 20, thereby enabling one heating mechanism 20 to heat the workpiece placed on the first transmission roller 11, and enabling the other heating mechanism 20 to heat the workpiece placed on the second transmission roller 15, thereby enabling simultaneous heating of two workpieces to improve the efficiency of heat treatment of the workpiece.

[0040] With the above structure, the furnace body 10 supports multiple first transmission rollers 11, supports multiple second transmission rollers 15, and the second transmission rollers 15 are located below the first transmission rollers 11, so that the multiple first transmission rollers 11 and the multiple second transmission rollers 15 can rotate simultaneously in the furnace body 10, thereby enabling the first transmission rollers 11 and the second transmission rollers 15 to move different workpieces, and thereby enabling multiple workpieces to move in the furnace body 10, thereby improving the transmission efficiency of the product. By connecting multiple first drive sprockets 12 to multiple first transmission rollers 11 respectively, and embedding multiple first drive sprockets 12 in the first chain 14, multiple first drive sprockets 12 are simultaneously connected to the first chain 14, thereby moving the first chain 14, and the first chain 14 simultaneously drives the first drive sprockets 12 and the first transmission rollers 11 to rotate, which is relative to driving multiple first transmission rollers 11 to rotate by multiple drive devices respectively, thereby reducing the number of drive devices, and thereby reducing the production cost of the product. By connecting multiple second drive sprockets 16 to multiple second transmission rollers 15 respectively, and embedding multiple second drive sprockets 16 in the second chain 18, multiple second drive sprockets 16 are simultaneously connected to the second chain 18, thereby moving the second chain 18, and the second chain 18 simultaneously drives the second drive sprockets 16 and the second transmission rollers 15 to rotate, which is relative to driving multiple second transmission rollers 15 to rotate by multiple drive devices respectively, thereby reducing the number of drive devices, and thereby reducing the production cost of the product.

[0041] Specifically, the width of the furnace body 10 is greater than or equal to 2.75 meters; since the width of the furnace body 10 is wide, more first transmission rollers 11 and second transmission rollers 15 need to be installed in the furnace body 10; by embedding multiple first drive sprockets 12 in the first chain 14, and embedding multiple second drive sprockets 16 in the second chain 18, and simultaneously connecting the first drive sprockets 12 and the second drive sprockets 16 to the first transmission rollers 11 and the second transmission rollers 15 respectively, the first chain 14 can drive multiple first transmission rollers 11 to rotate, and the second chain 18 can drive multiple second transmission rollers 15 to rotate, thereby adapting to a larger number of first transmission rollers 11 and second transmission rollers 15, thereby improving the user experience of the product.

[0042] Specifically, the first chain 14 is a double-layer chain, and the two adjacent first driving sprockets 12 are staggered, so as to avoid interference between the two first driving sprockets 12 and ensure that the two adjacent first driving sprockets 12 are embedded in the first chain 14 at the same time.

[0043] Specifically, the second chain 18 is a double-layer chain, and the two adjacent second driving sprockets 16 are staggered, so as to avoid interference between the two second driving sprockets 16 and ensure that the two adjacent second driving sprockets 16 are embedded in the second chain 18 at the same time.

[0044] In the embodiment of the utility model, as shown in Figures 1 to 8 The chain transmission double-layer roller bottom type heating furnace further includes a first mounting plate 21, a first motor 22, a third driving sprocket 23 and a third supporting sprocket 24; the first mounting plate 21 is fixed on one side wall of the furnace body 10, and the first mounting plate 21 is located below the first chain 14; the first motor 22 is provided with a first output shaft, and the first motor 22 is installed on the first mounting plate 21; the third driving sprocket 23 is sleeved on the outside of the first output shaft of the first motor 22, and the first chain 14 is sleeved on the outside of the third driving sprocket 23; two third supporting sprockets 24 are rotatably connected with one side wall of the furnace body 10, and the two third supporting sprockets 24 are embedded in the first chain 14; wherein the two third supporting sprockets 24 are located on both sides of the third driving sprocket 23.

[0045] By fixing the first mounting plate 21 on one side wall of the furnace body 10 and installing the first motor 22 on the first mounting plate 21, the first mounting plate 21 supports the first motor 22, thereby improving the stability of the first motor 22; by sleeving the third driving sprocket 23 on the outside of the first output shaft of the first motor 22 and sleeving the first chain 14 on the outside of the third driving sprocket 23, the first motor 22 can drive the third driving sprocket 23 to rotate, thereby enabling the third driving sprocket 23 to drive the first chain 14 to move, and further enabling multiple first driving sprockets 12 to rotate simultaneously. By rotatably connecting the two third supporting sprockets 24 with one side wall of the furnace body 10 and embedding the two third supporting sprockets 24 in the first chain 14, the furnace body 10 supports the two third supporting sprockets 24, thereby supporting the first chain 14 to be in a taut state and ensuring that the first chain 14 can drive multiple first driving sprockets 12 to rotate.

[0046] In the embodiment of the utility model, as shown in Figures 1 to 8As shown in the figure, the chain transmission double-layer roller bottom type heating furnace further comprises a second mounting plate 25, a second motor 26, a fourth driving sprocket 27 and a fourth supporting sprocket 28; the second mounting plate 25 is fixed on the other side wall of the furnace body 10, and the second mounting plate 25 is located below the second chain 18; the second motor 26 is provided with a second output shaft, and the second motor 26 is installed on the second mounting plate 25; the fourth driving sprocket 27 is sleeved on the outer side of the second output shaft of the second motor 26, and the second chain 18 is sleeved on the outer side of the fourth driving sprocket 27; two fourth supporting sprockets 28 are rotatably connected with the other side wall of the furnace body 10, and the two fourth supporting sprockets 28 are embedded in the second chain 18; wherein the two fourth supporting sprockets 28 are located on the two sides of the fourth driving sprocket 27.

[0047] By fixing the second mounting plate 25 on the other side wall of the furnace body 10 and installing the second motor 26 on the second mounting plate 25, the second mounting plate 25 supports the second motor 26, thereby improving the stability of the second motor 26; by sleeving the fourth driving sprocket 27 on the outer side of the second output shaft of the second motor 26 and sleeving the second chain 18 on the outer side of the fourth driving sprocket 27, the second motor 26 can drive the fourth driving sprocket 27 to rotate, thereby enabling the fourth driving sprocket 27 to drive the second chain 18 to move, and further enabling multiple second driving sprockets 16 to rotate simultaneously. By rotatably connecting the two fourth supporting sprockets 28 with the side wall of the furnace body 10 and embedding the two fourth supporting sprockets 28 in the second chain 18, the furnace body 10 supports the two fourth supporting sprockets 28, thereby supporting the second chain 18 with the two fourth supporting sprockets 28, so that the second chain 18 is in a taut state, ensuring that the second chain 18 can drive multiple second driving sprockets 16 to rotate.

[0048] In the embodiment of the utility model, as shown in the figure, Figures 1 to 8 As shown in the figure, the chain transmission double-layer roller bottom type heating furnace further comprises a first chain guide rail 29 and a second chain guide rail 30; two first chain guide rails 29 are installed on the side wall of the furnace body 10, and the first chain 14 is placed on the two first chain guide rails 29; two second chain guide rails 30 are installed on the other side wall of the furnace body 10, and the second chain 18 is placed on the two second chain guide rails 30.

[0049] The two first chain guides 29 are installed on one side wall of the furnace body 10, and the first chain 14 is placed on the two first chain guides 29, so that the furnace body 10 supports the two first chain guides 29, the two first chain guides 29 support the first chain 14, and the stability of the movement of the first chain 14 is improved.

[0050] In the embodiment of the utility model, as shown in the figure, Figures 1 to 8 The chain transmission double-layer roller bottom type heating furnace further comprises first clamping pieces 31, first connecting seats 32, first supporting plates 33 and partition plates 34; the first clamping pieces 31 are U-shaped, two first clamping pieces 31 are connected with two ends of the tray 19 respectively; the first connecting seats 32 are L-shaped, a plurality of first connecting seats 32 are connected with two inner walls of the furnace body 10 respectively, and the plurality of first connecting seats 32 are located on two sides of the tray 19; a plurality of first supporting plates 33 are connected with end portions of the plurality of first connecting seats 32 respectively, and the first supporting plates 33 are embedded in the first clamping pieces 31; a plurality of partition plates 34 are embedded in the tray 19, the plurality of partition plates 34 are connected with inner walls of the tray 19, and the plurality of partition plates 34 are located below the plurality of first transmission rollers 11 respectively.

[0051] The two first clamping pieces 31 are connected with two ends of the tray 19 respectively, so that the tray 19 moves synchronously with the two first clamping pieces 31; the plurality of first connecting seats 32 are connected with two inner walls of the furnace body 10 respectively, and the first connecting seats 32 are located on two sides of the tray 19, so that the furnace body 10 supports the plurality of first connecting seats 32, and the stability of the first connecting seats 32 is improved; the first supporting plates 33 are connected with end portions of the first connecting seats 32, and the first supporting plates 33 are embedded in the first clamping pieces 31, so that the first connecting seats 32 support the first supporting plates 33, the first supporting plates 33 support the tray 19 through the first clamping pieces 31, the stability of the tray 19 is improved, the tray 19 can be quickly taken, and the use experience of the product is improved.

[0052] In the embodiment of the utility model, as shown in the figure, Figures 1 to 8As shown in the figure, the heating mechanism 20 comprises a radiation tube 201, an air valve 202, a burner 203, a gas pipe 204, an air pipe 205 and a waste gas pipe 206; the radiation tube 201 is a hollow cavity, the radiation tube 201 is located in the furnace body 10, and the two ends of the radiation tube 201 are connected with the two inner walls of the furnace body 10 respectively; the air valve 202 is installed on the outside of the furnace body 10, and the air valve 202 is communicated with the radiation tube 201; the burner 203 is installed on the outside of the air valve 202, and the output end of the burner 203 is communicated with the air valve 202; the gas pipe 204 is installed on the outside of the furnace body 10, and the gas pipe 204 is communicated with the burner 203; the air pipe 205 is installed on the outside of the furnace body 10, and the air pipe 205 is communicated with the air valve 202; the waste gas pipe 206 is installed on the outside of the furnace body 10, and the waste gas pipe 206 is communicated with the air valve 202.

[0053] By locating the radiation tube 201 in the furnace body 10 and connecting the two ends of the radiation tube 201 with the two inner walls of the furnace body 10 respectively, the furnace body 10 supports the radiation tube 201; by installing the air pipe 205 and the waste gas pipe 206 on the outside of the furnace body 10 and communicating the air pipe 205 and the waste gas pipe 206 with the air valve 202, the furnace body 10 supports the air pipe 205 and the waste gas pipe 206, so that the air in the air pipe 205 can enter the air valve 202, and the waste gas generated in the air valve 202 can be discharged through the waste gas pipe 206. By installing the air valve 202 on the outside of the furnace body 10 and communicating the air valve 202 with the radiation tube 201, the furnace body 10 supports the air valve 202; by installing the burner 203 on the outside of the air valve 202, communicating the output end of the burner 203 with the air valve 202 and communicating the gas pipe 204 with the burner 203, the gas in the gas pipe 204 can flow into the burner 203, so that the gas mixes with the air flowing into the air valve 202, and the burner 203 ignites the gas to generate heat and flow into the radiation tube 201, so that the radiation tube 201 can radiate heat.

[0054] In the embodiment of the utility model, as shown in the figure, Figures 1 to 8 The heating mechanism 20 comprises a supporting roller 207 and an electric heating wire 208; the supporting roller 207 is located in the furnace body 10, and the two ends of the supporting roller 207 are connected with the two inner walls of the furnace body 10 respectively; the electric heating wire 208 is sleeved on the outside of the supporting roller 207, the electric heating wire 208 penetrates through the side wall of the furnace body 10, and the electric heating wire 208 is electrically connected with the power supply.

[0055] The supporting roller 207 is located in the furnace body 10, and two ends of the supporting roller 207 are connected with two inner walls of the furnace body 10 respectively, so that the furnace body 10 supports the supporting roller 207, and the stability of the supporting roller 207 is improved; the electric heating wire 208 is sleeved outside the supporting roller 207, the electric heating wire 208 penetrates through the side wall of the furnace body 10, and the electric heating wire 208 is electrically connected with the power supply, so that the supporting roller 207 supports the electric heating wire 208, the power supply supplies power for the electric heating wire 208, the electric heating wire 208 generates heat, and the workpiece is heated.

[0056] In the embodiment of the utility model, as shown in Figures 1 to 8 The chain transmission double-layer roller bottom type heating furnace further comprises:

[0057] The baffle 35 and the flow-through opening 36;

[0058] The baffle 35 is V-shaped, the baffle 35 is located in the furnace body 10, two ends of the baffle 35 are connected with two inner walls of the furnace body 10 respectively, the baffle 35 is located below the second transmission roller 15, and the baffle 35 is located above the supporting roller 207; the flow-through opening 36 is strip-shaped, and a plurality of flow-through openings 36 are arranged in the baffle 35 in a penetrating manner.

[0059] The baffle 35 is located in the furnace body 10, two ends of the baffle 35 are connected with two inner walls of the furnace body 10 respectively, the baffle 35 is located below the second transmission roller 15, and the baffle 35 is located above the supporting roller 207, so that the furnace body 10 supports the baffle 35, the baffle 35 protects the supporting roller 207 and the electric heating wire 208, the workpiece on the second transmission roller 15 is prevented from falling off the oxide skin and the material piece, the supporting roller 207 and the electric heating wire 208 are prevented from being damaged, and the quality of the product is improved; the plurality of strip-shaped flow-through openings 36 are arranged in the baffle 35 in a penetrating manner, so that the heat generated by the electric heating wire 208 can heat the workpiece through the flow-through opening 36, the baffle 35 is prevented from blocking the heat, and the heating efficiency of the product is improved.

[0060] In the embodiment of the utility model, as shown in Figures 1 to 8 The chain transmission double-layer roller bottom type heating furnace further comprises: a second clamping piece 37, a second connecting seat 38 and a second supporting plate 39; the second clamping piece 37 is U-shaped, two second clamping pieces 37 are connected with two ends of the baffle 35 respectively; the second connecting seat 38 is L-shaped, a plurality of second connecting seats 38 are connected with two inner walls of the furnace body 10 respectively, and the plurality of second connecting seats 38 are located on two sides of the baffle 35; a plurality of second supporting plates 39 are connected with end portions of the plurality of second connecting seats 38 respectively, and the second supporting plate 39 is embedded in the second clamping piece 37.

[0061] The two U-shaped second clamping pieces 37 are connected with two ends of the baffle 35 respectively to realize synchronous movement of the baffle 35 and the two second clamping pieces 37; the plurality of second connecting seats 38 are connected with two inner walls of the furnace body 10 respectively, and the second connecting seats 38 are located on two sides of the baffle 35 to realize support of the furnace body 10 on the plurality of second connecting seats 38, thereby improving stability of the second connecting seats 38; the second supporting plate 39 is connected with end portions of the second connecting seats 38, and the second supporting plate 39 is embedded in the second clamping piece 37 to realize support of the second connecting seats 38 on the second supporting plate 39, thereby realizing support of the second supporting plate 39 on the baffle 35 through the second clamping piece 37, which can not only improve stability of the baffle 35, but also realize quick taking of the baffle 35, thereby improving use experience of the product.

[0062] In the description of the present application, the term "a plurality of" refers to two or more than two, unless otherwise explicitly limited, the terms "upper", "lower" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application; the terms "connection", "installation", "fixation" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be directly connected, or indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0063] In the description of the present application, the terms "one embodiment", "some embodiments", "a specific embodiment" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0064] The above is only the preferred embodiment of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A chain-driven double-deck roller hearth furnace characterized by, The chain transmission double-layer roller bottom type heating furnace comprises: a furnace body which is a hollow cavity; first transmission rollers which are ceramic bodies, a plurality of the first transmission rollers are located in the furnace body, and two ends of the plurality of the first transmission rollers are rotationally connected with the furnace body; first driving sprockets, a plurality of the first driving sprockets are located outside the furnace body, and the plurality of the first driving sprockets are connected with the plurality of the first transmission rollers respectively; first supporting sprockets, two of the first supporting sprockets are located outside the furnace body, and the two of the first supporting sprockets are rotationally connected with the furnace body; a first chain, the first chain is simultaneously sleeved outside the two of the first supporting sprockets, and the plurality of the first driving sprockets are embedded in the first chain; second transmission rollers which are ceramic bodies, a plurality of the second transmission rollers are located in the furnace body, and two ends of the plurality of the second transmission rollers are rotationally connected with the furnace body; second driving sprockets, a plurality of the second driving sprockets are located outside the furnace body, and the plurality of the second driving sprockets are connected with the plurality of the second transmission rollers respectively; second supporting sprockets, two of the second supporting sprockets are located outside the furnace body, and the two of the second supporting sprockets are rotationally connected with the furnace body; a second chain, the second chain is simultaneously sleeved outside the two of the second supporting sprockets, and the plurality of the second driving sprockets are embedded in the second chain; a tray which is a hollow cavity with an opening at the top, the tray is located between the plurality of the first transmission rollers and the plurality of the second transmission rollers, and two ends of the tray are connected with two inner walls of the furnace body respectively; heating mechanisms, two of the heating mechanisms are installed in the furnace body, one of the heating mechanisms is located above the first transmission rollers, and the other of the heating mechanisms is located below the second transmission rollers.

2. A chain-driven double-deck roller hearth furnace according to claim 1, wherein The chain transmission double-layer roller bottom type heating furnace further comprises: a first mounting plate, the first mounting plate is fixed on a side wall of the furnace body, and the first mounting plate is located below the first chain; a first motor, the first motor is provided with a first output shaft, and the first motor is installed on the first mounting plate; a third driving sprocket, the third driving sprocket is sleeved outside the first output shaft of the first motor, and the first chain is sleeved outside the third driving sprocket; third supporting sprockets, the two of the third supporting sprockets are rotationally connected with a side wall of the furnace body, and the two of the third supporting sprockets are embedded in the first chain; wherein, the two of the third supporting sprockets are located on two sides of the third driving sprocket.

3. A chain-driven double-deck roller hearth furnace according to claim 2, wherein The chain transmission double-layer roller bottom type heating furnace further comprises: a second mounting plate, the second mounting plate is fixed on another side wall of the furnace body, and the second mounting plate is located below the second chain; a second motor, the second motor is provided with a second output shaft, and the second motor is installed on the second mounting plate; a fourth driving sprocket, the fourth driving sprocket is sleeved outside the second output shaft of the second motor, and the second chain is sleeved outside the fourth driving sprocket; Fourth support sprocket, two fourth support sprockets are rotatably connected with the other side wall of the furnace body, and the two fourth support sprockets are embedded in the second chain; Wherein, two fourth support sprockets are located on both sides of the fourth drive sprocket.

4. A chain-driven double-deck roller hearth furnace according to claim 3, wherein The chain transmission double-layer roller hearth furnace further comprises: First chain guide rail, two first chain guide rails are installed on one side wall of the furnace body, and the first chain is placed on the two first chain guide rails; Second chain guide rail, two second chain guide rails are installed on the other side wall of the furnace body, and the second chain is placed on the two second chain guide rails.

5. A chain-driven double-deck roller hearth furnace according to claim 1, wherein, The chain transmission double-layer roller hearth furnace further comprises: First clamping piece, the first clamping piece is U-shaped, two first clamping pieces are respectively connected with two ends of the tray; First connecting seat, the first connecting seat is L-shaped, a plurality of first connecting seats are respectively connected with two inner walls of the furnace body, and a plurality of first connecting seats are located on two sides of the tray; First support plate, a plurality of first support plates are respectively connected with end portions of a plurality of first connecting seats, and the first support plate is embedded in the first clamping piece; Partition plate, a plurality of partition plates are embedded in the tray, a plurality of partition plates are connected with inner walls of the tray, and a plurality of partition plates are respectively located below a plurality of first drive rollers.

6. A chain-driven double-deck roller hearth furnace according to claim 1, wherein, The heating mechanism comprises: Radiant tube, the radiant tube is a hollow cavity, the radiant tube is located in the furnace body, and two ends of the radiant tube are respectively connected with two inner walls of the furnace body; Air valve, the air valve is installed on the outside of the furnace body, and the air valve is in communication with the radiant tube; Burner, the burner is installed on the outside of the air valve, and the output end of the burner is in communication with the air valve; Gas pipe, the gas pipe is installed on the outside of the furnace body, and the gas pipe is in communication with the burner; Air pipe, the air pipe is installed on the outside of the furnace body, and the air pipe is in communication with the air valve; Exhaust pipe, the exhaust pipe is installed on the outside of the furnace body, and the exhaust pipe is in communication with the air valve.

7. A chain-driven double-deck roller hearth furnace according to claim 1, wherein The heating mechanism comprises: Supporting roller, the supporting roller is located in the furnace body, and two ends of the supporting roller are respectively connected with two inner walls of the furnace body; Electric heating wire, the electric heating wire is sleeved on the outside of the supporting roller, the electric heating wire penetrates through the side wall of the furnace body, and the electric heating wire is electrically connected with the power supply.

8. A chain-driven double-deck roller hearth furnace according to claim 7, wherein, The chain transmission double-layer roller hearth furnace further comprises: Baffle, the baffle is V-shaped, the baffle is located in the furnace body, two ends of the baffle are respectively connected with two inner walls of the furnace body, the baffle is located below the second drive roller, and the baffle is located above the supporting roller; Flow-through port, the flow-through port is long strip-shaped, a plurality of flow-through ports are provided in the baffle in a penetrating manner.

9. A chain-driven double-deck roller hearth furnace according to claim 8, wherein, The chain transmission double-layer roller hearth furnace further comprises: Second clamping piece, the second clamping piece is U-shaped, two second clamping pieces are respectively connected with two ends of the baffle; Second connecting seats, which are L-shaped, are connected to two inner walls of the furnace body respectively, and are located on two sides of the baffle; Second supporting plates, which are connected to end portions of the second connecting seats respectively, are embedded in the second clamping pieces.

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