CN216308580U

CN216308580U - Tunnel furnace

Info

Publication number: CN216308580U
Application number: CN202122142164.6U
Authority: CN
Inventors: 商高; 郭浩
Original assignee: Shenzhen Nengchuang Automation Equipment Co ltd
Current assignee: Shenzhen Nengchuang Automation Equipment Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-04-15
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses a tunnel furnace which comprises a rack, a conveyor belt group and a transfer device. The conveyor belt group is arranged on the rack and at least comprises a first conveyor belt and a second conveyor belt, the first conveyor belt is positioned above the second conveyor belt, and the conveying direction of the first conveyor belt is opposite to that of the second conveyor belt; the transfer device is arranged on the frame and used for transferring the workpiece conveyed by the first conveyor belt to the second conveyor belt and enabling the workpiece to have the same speed as the conveying direction of the second conveyor belt. The tunnel furnace has high yield of baked workpieces.

Description

Tunnel furnace

Technical Field

The utility model relates to the technical field of tunnel furnaces, in particular to a tunnel furnace.

Background

The tunnel furnace comprises a conveyor belt and an oven, wherein the workpieces are placed on the conveyor belt, and the conveyor belt conveys the workpieces into the oven for baking. Generally, in order to ensure the baking effect and reduce the space occupied by the tunnel oven, a plurality of layers of conveyor belts with different conveying directions are usually arranged, so that after the workpiece is conveyed to the oven through the upper layer of conveyor belt to be baked, the workpiece falls off from the upper layer of conveyor belt to the lower layer of conveyor belt, and then is conveyed to the oven through the lower layer of conveyor belt to be baked again. However, because the conveying directions of the two layers of conveying belts are different, when the workpiece falls from the upper layer conveying belt to the lower layer conveying belt, the relative speed of the workpiece and the lower layer conveying belt is high, the workpieces are abraded by the conveying belts, and the yield of the tunnel furnace is low.

The above is only for the purpose of assisting understanding of the technical solution of the present invention, and does not represent an admission that the above is the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a tunnel furnace and aims to solve the technical problem that the conventional tunnel furnace is low in yield.

In order to achieve the above object, the present invention provides a tunnel furnace comprising:

a frame;

the conveyor belt group is arranged on the rack and at least comprises a first conveyor belt and a second conveyor belt, the first conveyor belt is positioned above the second conveyor belt, and the conveying direction of the first conveyor belt is opposite to that of the second conveyor belt; and

and the transfer device is arranged on the frame and used for transferring the workpiece conveyed by the first conveyor belt to the second conveyor belt and enabling the workpiece to have the same speed as the conveying direction of the second conveyor belt.

Optionally, the transfer device includes a guide portion and a transfer portion, the transfer portion is located between the first conveyor belt and the second conveyor belt, the guide portion is obliquely arranged from top to bottom, the upper end of the guide portion is arranged near the first conveyor belt, the lower end of the guide portion is arranged near the transfer portion, and the transfer portion can be turned over downward relative to the guide portion, so that the workpiece slides to the second conveyor belt along the transfer portion.

Optionally, the guiding portion includes an inclined section and a horizontal section, one end of the inclined section is close to the first conveyor belt, the other end of the inclined section is connected to the horizontal section, and the horizontal section abuts against the upper surface of the transfer portion.

Optionally, an included angle between the inclined section and the horizontal plane is greater than or equal to 30 degrees and less than or equal to 40 degrees.

Optionally, the tunnel furnace further comprises a driving device, and the driving device is used for driving the transfer part to turn up and down.

Optionally, the drive arrangement includes driving cylinder, the one end that the guide part was kept away from to the portion of transferring is equipped with the installation department, driving cylinder's drive shaft with the installation department is connected, in order to drive the portion of transferring overturns from top to bottom.

Optionally, the transfer device further includes an induction device, the transfer portion is further provided with an induction window, and the induction device is disposed below the transfer portion and corresponds to the induction window.

Optionally, the inclined section is tapered in a direction approaching the horizontal section.

Optionally, the tunnel furnace includes a mounting bracket, the mounting bracket is connected with the frame, and the transfer device is installed on the mounting bracket.

Optionally, the mounting frame includes a mounting rod and a mounting seat, the mounting rod extends along the width direction of the conveyor belt, the mounting rod is mounted on the mounting seat, and the plurality of transfer devices are arranged at intervals in the length direction of the mounting rod.

The tunnel furnace comprises a frame, a conveyor belt group and a transfer device. The conveyor belt group is arranged on the rack and at least comprises a first conveyor belt and a second conveyor belt, the first conveyor belt is positioned above the second conveyor belt, and the conveying direction of the first conveyor belt is opposite to that of the second conveyor belt; the transfer device is arranged on the frame and used for transferring the workpiece conveyed by the first conveyor belt to the second conveyor belt and enabling the workpiece to have the same speed as the conveying direction of the second conveyor belt; therefore, the workpiece can stably slide to the second conveying belt at a smaller relative speed by arranging the transfer device between the first conveying belt and the second conveying belt, so that the workpiece is prevented from being abraded due to the fact that the relative speed of the workpiece and the second conveying belt is large, and the yield of the workpiece baked by the tunnel furnace is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of a partial structure of one embodiment of a tunnel furnace according to the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a side view of the transfer section of the transfer device of FIG. 1 in a first position;

FIG. 4 is a side view of the transfer section of the transfer device of FIG. 3 in a second position;

FIG. 5 is an isometric view of the transfer portion of the transfer device of FIG. 1 in a first position;

FIG. 6 is an isometric view of the transfer section of the transfer device of FIG. 5 in a second position;

fig. 7 is a schematic view of the transfer device of fig. 1 with a plurality of mounting bars arranged.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)	Reference numerals	Name (R)
						100	Transfer device	121a	Induction window		220	Second conveyor belt
110	Guide part	122	Mounting part	230	Rack
						111	Inclined section	130	Drive device	240	Mounting rack
112	Horizontal segment	140	Induction device	241	Mounting rod
						120	Transfer part	200	Workpiece	242	Mounting seat
121	Slideway part	210	First conveyor belt	243	Strip-shaped groove

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

It should be noted that if the description of "first", "second", etc. is provided in the embodiment of the present invention, the description of "first", "second", etc. is only for descriptive purposes and is not to be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied.

The utility model provides a tunnel furnace.

In an embodiment of the present invention, referring to fig. 1 and 2, the tunnel oven includes a frame 230, a set of conveyor belts, and a transfer device 100. The conveyor belt group is mounted on the frame 230, and includes at least a first conveyor belt 210 and a second conveyor belt 220, the first conveyor belt 210 is located above the second conveyor belt 220, and a conveying direction of the first conveyor belt 210 is opposite to a conveying direction of the second conveyor belt 220. The transfer device 100 is mounted on the frame 230, and is configured to transfer the workpiece 200 conveyed by the first conveyor 210 to the second conveyor 220, and make the workpiece 200 have the same speed as the conveying direction of the second conveyor 220.

Particularly, the tunnel furnace still includes the oven, the oven is located on the frame 230, just be equipped with the baking chamber in the oven, be provided with heating device in the baking chamber. The conveyor belt group includes a plurality of layers of conveyor belts including at least the first conveyor belt 210 and the second conveyor belt 220. The multiple layers of the conveyor belts of the conveyor belt group are arranged on the rack 230, and the multiple layers of the conveyor belts are arranged at intervals along the height direction of the oven, and the conveying paths of the multiple layers of the conveyor belts all pass through the baking cavity.

The conveyor may be arranged in two, three, four or five levels along the height of the oven, depending on the particular needs of the workpiece 200 being baked. Taking two layers of conveyor belts as an example, in this embodiment, the conveyor belt group includes a first conveyor belt 210 and a second conveyor belt 220, a part of the belt length of the first conveyor belt 210 and the second conveyor belt 220 is located in the baking chamber, and the conveying direction of the first conveyor belt 210 is opposite to that of the second conveyor belt 220. The workpiece 200 is firstly placed on the first conveyor belt 210, the workpiece 200 is conveyed into the baking cavity to be baked, after the workpiece 200 is conveyed out of the baking cavity, the workpiece is conveyed from the first conveyor belt 210 to the second conveyor belt 220, the second conveyor belt 220 conveys the workpiece 200 into the baking cavity again to be baked for the second time, and then the workpiece is conveyed out of the baking cavity. By the mode of arranging the conveyor belt group, the overlong whole tunnel furnace can be avoided, and thus the production field is saved.

It is understood that during the production process, when the workpiece 200 is transferred from the first conveyor 210 to the second conveyor 220, the workpiece 200 may drop from the first conveyor 210 to the second conveyor 220 at the same speed as the transfer direction of the first conveyor 210, and the relative speed between the workpiece 200 and the second conveyor 220 may be larger due to the opposite transfer directions of the first conveyor 210 and the second conveyor 220. In order to drive the workpiece 200 to move, the surface of the conveyor belt is also rough, so that when the workpiece 200 falls onto the rough second conveyor belt 220 at a relatively high speed, the second conveyor belt 220 abrades the surface of the workpiece 200, resulting in waste products. In order to avoid this, a transfer device 100 is provided on the path where the workpiece 200 falls from the first conveyor 210 to the second conveyor 220, and the transfer device 100 is used for transferring the workpiece 200 conveyed by the first conveyor 210 so that the workpiece 200 slides down onto the second conveyor 220 more smoothly.

The transfer device 100 may have various forms, and one of the forms may be a transfer slope provided between the first conveyor 210 and the second conveyor 220, the transfer slope being inclined in a direction approaching the second conveyor 220 in the conveying direction of the second conveyor 220. In order to prevent the workpiece 200 from falling and being impacted, the upper end of the transfer slope may be close to the first conveyor belt 210; or a guide part 110 is arranged between the first conveyor belt 210 and the transfer inclined plane; both of the above methods can allow the work 200 to smoothly fall onto the transfer slope when falling off the first conveyor 210. After the workpiece 200 falls on the transfer ramp, the workpiece 200 slides off the transfer ramp under the influence of gravity, so that the workpiece 200 obtains the same speed as the conveying direction of the second conveyor belt 220. Alternatively, the transfer device 100 may transfer the work 200 by providing a rotatable transfer section 120, and the transfer device 100 may include a guide section 110 and the transfer section 120, and the work 200 may slide down to the transfer section 120 through the guide section 110. When the transfer unit 120 is in a horizontal state in the initial state, the transfer unit 120 approaches the guide unit 110, so that the workpiece 200 slid down from the guide unit 110 can be received and smoothly slid down to the transfer unit 120. After the workpiece 200 slides down to the transfer portion 120, the transfer portion 120 is tilted downward to slide down the workpiece 200 and has the same speed as the conveying direction of the second conveyor belt 220.

The tunnel furnace of the present invention includes a frame 230, a conveyor set and a transfer device 100. The conveyor belt group is mounted on the frame 230, and includes at least a first conveyor belt 210 and a second conveyor belt 220, the first conveyor belt 210 is located above the second conveyor belt 220, and the conveying direction of the first conveyor belt 210 is opposite to the conveying direction of the second conveyor belt 220; the transfer device 100 is mounted on the frame 230, and is configured to transfer the workpiece 200 conveyed by the first conveyor 210 to the second conveyor 220, so that the workpiece 200 has the same speed as the conveying direction of the second conveyor 220; thus, by arranging the transfer device 100 between the first conveyor belt 210 and the second conveyor belt 220, the workpiece 200 can smoothly slide onto the second conveyor belt 220 at a relatively low speed after passing through the transfer device 100 from the first conveyor belt 210, so that abrasion of the workpiece 200 caused by a relatively high speed of the workpiece 200 and the second conveyor belt 220 is avoided, and the yield of the workpiece 200 baked in the tunnel furnace is improved.

Referring to fig. 3 to 6, in an embodiment, the transfer device 100 includes a guide portion 110 and a transfer portion 120, the transfer portion 120 is located between the first conveyor belt 210 and the second conveyor belt 220, the guide portion 110 is inclined from top to bottom, an upper end of the guide portion 110 is disposed near the first conveyor belt 210, a lower end of the guide portion 110 is disposed near the transfer portion 120, and the transfer portion 120 is capable of being turned downward relative to the guide portion 110, so that the workpiece 200 slides along the transfer portion 120 onto the second conveyor belt 220.

The transfer device 100 is disposed at one side of the first conveyor belt 210. The transfer device 100 includes a guide portion 110 and a transfer portion 120, and one end of the guide portion 110 is close to the first conveyor 210 and the other end is close to the transfer portion 120. The guide portion 110 is used for transferring the workpiece 200 to the transfer portion 120, the workpiece 200 slides from the first conveyor belt 210 onto the guide portion 110, and due to the inclined arrangement of the guide portion 110, the workpiece 200 slides from one end of the guide portion 110 close to the conveyor belt to one end of the guide portion 110 close to the transfer portion 120 under the action of gravity.

The transfer portion 120 is used to take the workpiece 200 slid from the guide portion 110 and smoothly slide the workpiece 200 onto the second conveyor belt 220 by rotating. The transfer unit 120 has a first position where the transfer unit 120 is in a horizontal state, and one end of the transfer unit 120 abuts on one end of the guide unit 110 close to the transfer unit 120. The transfer portion 120 further has a second position, where the transfer portion 120 rotates downward from the first position, and the transfer portion 120 forms an included angle with the second conveyor belt 220. When the transfer unit 120 is at the first position, the workpiece 200 may slide from the first conveyor 210 to the transfer unit 120 from the guide 110, and when the transfer unit 120 is switched to the second position, the workpiece 200 may slide from the transfer unit 120 to the second conveyor 220. It should be noted that, when the transfer portion 120 is at the second position, the transfer portion 120 is inclined in a direction approaching the second conveyor belt 220 in the conveying direction of the second conveyor belt 220. In this way, the generation speed of the workpiece 200 sliding down from the transfer unit 120 is the same direction as the conveying direction of the second conveyor 220, so that the relative speed with the second conveyor 220 after the workpiece 200 slides down from the transfer unit 120 is small, and the relative speed can be set to zero by adjusting the angle of the transfer unit 120, thereby reducing the friction of the second conveyor 220 against the workpiece 200 and avoiding the damage to the workpiece 200.

Referring to fig. 3 to 6, in an embodiment, the guide portion 110 includes an inclined section 111 and a horizontal section 112, one end of the inclined section 111 is close to the first conveyor belt 210, the other end is connected to the horizontal section 112, and the horizontal section 112 abuts against an upper surface of the transfer portion 120.

Further, the guide portion 110 includes an inclined section 111, one end of the inclined section 111 is close to the first conveyor belt 210, and the inclined section 111 is used for accessing the workpiece 200 on the first conveyor belt 210. The guide portion 110 further includes a horizontal section 112, one end of the guide section is connected to one end of the horizontal section 112, the other end of the horizontal section 112 is a free end, and the workpiece 200 slides from the first conveyor belt 210 to the horizontal section 112 through the inclined section 111. The horizontal section 112 buffers the workpiece 200 sliding from the inclined section 111, and then the workpiece 200 slides from the horizontal section 112 to the transfer portion 120. It is easy to understand that, if the horizontal section 112 is not provided, and the workpiece 200 directly slides from the inclined section 111 to the transfer portion 120, when the transfer portion 120 is at the first position, the gap between the end of the inclined section 111 close to the transfer portion 120 and the end of the transfer portion 120 close to the inclined section 111 is large, and the inclined section 111 and the transfer portion 120 are arranged at an included angle, the workpiece 200 slides from the inclined section 111 to the transfer portion 120, and the part of the inclined section 111 abutting against the transfer portion 120 is easily worn, so that the workpiece 200 is damaged. By arranging the horizontal section 112, when the inclined section 111 slides to the horizontal section 112, the workpiece 200 is prevented from being worn due to the smooth transition at the joint of the inclined section 111 and the horizontal section 112, and the included angle between the horizontal section 112 and the transfer part 120 at the first position is small, so that the workpiece 200 is prevented from being damaged when sliding from the horizontal section 112 to the transfer part 120.

In one embodiment, the included angle between the inclined section 111 and the horizontal plane is greater than or equal to 30 degrees and less than or equal to 40 degrees.

It will be appreciated that the inclined section 111 is disposed at an angle to the horizontal, so that the workpiece 200 can slide off the inclined section 111 under the action of gravity. If the included angle between the inclined section 111 and the horizontal plane is less than 30 degrees, the friction force between the workpiece 200 and the inclined section 111 may increase, and the workpiece 200 may not fall off from the inclined section 111 under the action of gravity. If the angle between the inclined section 111 and the horizontal plane is greater than 40 degrees, the workpiece 200 may slide off the inclined section 111 at an excessive speed, causing the workpiece 200 to collide with the transfer device 100, and causing damage to the workpiece 200. It is worth mentioning that the length of the horizontal segment 112 is greater than or equal to 15 mm and less than or equal to 30 mm with respect to the length range of the horizontal segment 112. Specifically, the workpiece 200 needs to slide down from the horizontal segment 112 to the transfer portion 120, and the transfer portion 120 rotates, so that the workpiece 200 can fall onto the second conveyor belt 220. If the length of the horizontal section 112 is less than 15 mm, the horizontal section 112 may not sufficiently buffer the workpiece 200, and the workpiece 200 may still fall onto the transfer portion 120 at a high speed, resulting in damage to the workpiece 200. If the length of the horizontal segment 112 is greater than 30 mm, the workpiece 200 may stop on the horizontal segment 112 and may not slide to the transfer portion 120, so that the transfer device 100 may not complete the transfer operation.

In one embodiment, the tunnel furnace further includes a driving device 130, and the driving device 130 is used for driving the transfer part 120 to turn upside down.

Further, the driving device 130 may be an air cylinder or a motor, and is not particularly limited. The transfer section 120 operates such that the transfer section 120 is in the first position, the work 200 slid off the guide section 110 is received, the transfer section 120 rotates to the second position, the work 200 slides off the transfer section 120, and the transfer section 120 rotates back to the first position. The transfer of the transfer part 120 is a mechanized movement process, and the switching process of the first position and the second position of the transfer part 120 can be automatically driven by arranging the driving device 130, so that the transfer efficiency of the transfer part 120 is greatly improved.

On the basis of the above embodiment, the driving device 130 includes a driving cylinder, an installation portion 122 is disposed at one end of the transfer portion 120 away from the guide portion 110, and a driving shaft of the driving cylinder is connected to the installation portion 122 to drive the transfer portion 120 to turn over up and down.

Specifically, the driving device 130 is configured to drive the transfer unit 120 to rotate, the chute unit 121 is configured to receive the workpiece 200 slid off from the guide unit 110 when the transfer unit 120 is at the first position, and the workpiece 200 is configured to slide off from the chute unit 121 to the second conveyor belt 220 when the transfer unit 120 is at the second position. The mounting portion 122 is used for connecting the driving device 130 and the sliding track portion 121. It is easily understood that the transfer unit 120 is rotatably mounted on the frame 230, and when the position of the rotation axis of the transfer unit 120 and the driving manner of the driving device 130 are not changed, the angle through which the transfer unit 120 rotates can be controlled by changing the shape, length, etc. of the mounting portion 122. Regarding the installation position of the driving device 130, the driving device 130 may be installed on the frame 230, and the driving device 130 may also be directly installed on the frame 230, which is not particularly limited.

Further, the mounting portion 122 is provided with a strip-shaped hole extending along the length direction of the conveyor belt group, and the driving device 130 may be connected to different positions of the strip-shaped hole, so that the transfer portion 120 has different rotation angles. For example, in one case, the driving shaft of the air cylinder is fixedly connected to one end of the strip-shaped hole close to the slideway section 121 through a connecting member, and the transfer section 120 rotates within a certain range. In another case, the driving shaft of the air cylinder is fixedly connected to the end of the strip-shaped hole far away from the sliding track portion 121 through a connecting member, and the rotation angle of the transfer portion 120 is within another range. It should be noted that the connecting member may be a nut bolt or a rivet, and is not particularly limited. The driving device 130 may be fixedly connected to any position of the strip-shaped hole, so as to adjust the rotation angle range of the transfer part 120.

Referring to fig. 3 and 4, in an embodiment, the transfer device 100 further includes a sensing device 140, the transfer portion 120 is further provided with a sensing window 121a, and the sensing device 140 is disposed below the transfer portion 120 and corresponds to the sensing window 121 a.

A slide way portion 121 is disposed on one side of the rotating portion close to the guiding portion 110, the slide way portion 121 is used for receiving and taking the workpiece 200 and making the workpiece slide down to the second conveyor belt 220, and the sensing device 140 is disposed below the slide way portion 121. The sensing device 140 is in communication connection with the driving device 130, and a sensing area of the sensing device 140 corresponds to the sensing window 121a, so that the sensing device 140 can sense whether the workpiece 200 is on the slide portion 121. The operation of the transfer section 120 is substantially as follows: the transfer part 120 is first at the first position, and the workpiece 200 slides down from the guide part 110 to the slide part 121; the workpiece 200 covers the sensing window 121a, so as to trigger the sensing device 140, and the sensing device 140 controls the driving device 130 to operate, so that the transfer part 120 rotates downwards; the transfer part 120 is switched from the first position to the second position, and the workpiece 200 slides down from the transfer part 120 to the second conveyor belt 220; after a period of time, the transfer section 120 automatically switches back to the first position.

Referring to fig. 5 and 6, in an embodiment, the inclined section 111 is tapered in a direction approaching the horizontal section 112.

Further, the width of the inclined section 111 near the end of the first conveyor belt 210 is greater than the width of the workpiece 200, and the width of the inclined section 111 near the end of the horizontal section 112 is close to the width of the workpiece 200. One end of the inclined section 111 close to the first conveyor belt 210 is used for receiving the workpiece 200 on the first conveyor belt 210, and since the position of the workpiece 200 on the first conveyor belt 210 may be offset, the width of the inclined section 111 close to the end of the first conveyor belt 210 is greater than the width of the workpiece 200, so that the workpiece 200 offset on the first conveyor belt 210 can be received, and thus the generation of waste products is avoided. The inclined section 111 is arranged in a tapered manner in a direction close to the horizontal section 112, so that the inclined section 111 can guide the sliding of the workpiece 200, and the workpiece 200 can accurately and smoothly slide onto the horizontal section 112. It should be noted that limiting plates are disposed on two sides of the inclined section 111 and the horizontal section 112, and the limiting plates are used for limiting the sliding position of the workpiece 200 on the guide portion 110, so as to prevent the workpiece 200 from falling off from two sides of the guide portion 110, and make the workpiece 200 accurately slide off from the guide portion 110 to the transfer portion 120.

Referring to fig. 3, 4 and 7, in one embodiment, the tunnel furnace includes a mounting frame 240, the mounting frame 240 is connected to the frame 230, and the transfer device 100 is mounted on the mounting frame 240.

The transfer device 100 is installed between the first conveyor belt 210 and the second conveyor belt 220, and the mounting frame 240 is arranged to connect the transfer device 100 and the frame 230, so that when the position of the transfer device 100 is installed and adjusted, only the position where the mounting frame 240 and the frame 230 are fixed needs to be adjusted, thereby facilitating the installation and adjustment of the transfer device 100, saving time and reducing cost.

In one embodiment, the mounting frame 240 includes a mounting bar 241 and a mounting seat 242, the mounting bar 241 extends along the width direction of the conveyor belt, the mounting bar 241 is mounted on the mounting seat 242, and a plurality of the transfer devices 100 are spaced apart along the length direction of the mounting bar 241.

Specifically, the mounting seat 242 is provided with a strip-shaped groove 243 corresponding to the mounting rod 241, and the strip-shaped groove 243 extends in the height direction of the mounting seat 242. The mounting rod 241 is mounted in the strip groove 243, and the mounting rod 241 may be mounted at any position of the strip groove 243 and fixed to the mounting frame 240 by a fixing member, so that the height of the mounting rod 241 is adjustable. The transfer unit 120 is rotatably mounted on the mounting rod 241. The guide portion 110 is mounted on at least two of the mounting bars 241 which are positioned on the same straight line, and each of the mounting bars 241 is rotatable with respect to the guide portion 110, so that the inclination angle of the guide portion 110 can be adjusted by adjusting the height of the mounting bar 241, thereby enhancing the versatility of the transfer device 100.

Further, a plurality of tunnel oven baking workpieces 200 are generally placed in the width direction of the conveyor belt group, so that the efficiency of the tunnel oven baking workpieces 200 is improved; thus, the transfer device 100 is provided in plurality in the width direction of the conveyor group, and transfers the plurality of workpieces 200 placed on the conveyor group, thereby improving the transfer efficiency of the transfer device 100.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention that are made by using the contents of the specification and the drawings or directly/indirectly applied to other related technical fields are included in the scope of the present invention.

Claims

1. A tunnel oven, comprising:

a frame;

2. The tunnel furnace of claim 1, wherein the transfer device includes a guide portion and a transfer portion, the transfer portion is located between the first conveyor belt and the second conveyor belt, the guide portion is inclined from top to bottom, an upper end of the guide portion is located adjacent to the first conveyor belt, a lower end of the guide portion is located adjacent to the transfer portion, and the transfer portion is tiltable downward relative to the guide portion to allow the workpiece to slide along the transfer portion onto the second conveyor belt.

3. The tunnel furnace of claim 2, wherein the guide portion comprises an inclined section and a horizontal section, the inclined section having one end adjacent to the first conveyor belt and the other end connected to the horizontal section, and the horizontal section abutting against an upper surface of the transfer portion.

4. The tunnel furnace of claim 3 wherein the angle of the inclined section is greater than or equal to 30 degrees and less than or equal to 40 degrees from the horizontal.

5. The tunnel furnace of claim 2 further comprising a drive means for driving the transfer section to turn upside down.

6. The tunnel furnace of claim 5 wherein the drive mechanism includes a drive cylinder, and wherein the transfer section is provided with a mounting portion at an end thereof remote from the guide portion, and wherein a drive shaft of the drive cylinder is connected to the mounting portion to drive the transfer section to be inverted.

7. The tunnel furnace of claim 6 wherein the transfer device further comprises a sensing device, the transfer portion further having a sensing window, the sensing device being disposed below the transfer portion and corresponding to the sensing window.

8. The tunnel furnace of claim 3 wherein the inclined section tapers in a direction adjacent the horizontal section.

9. The tunnel oven of claim 1 including a mounting bracket connected to said frame, said transfer device being mounted to said mounting bracket.

10. The tunnel oven of claim 9 wherein said mounting frame includes a mounting bar extending widthwise of said conveyor belt and a mounting base on which said mounting bar is mounted, a plurality of said transfer devices being spaced lengthwise of said mounting bar.