A multi-hole reverse push tunnel furnace

Abstract

The application discloses a porous reverse opposite pushing tunnel furnace, and relates to the technical field of firing equipment. The porous reverse opposite pushing tunnel furnace comprises a workbench, a tunnel furnace body, a first feeding channel and a second feeding channel are arranged on the workbench, and the first feeding channel and the second feeding channel are arranged in the tunnel furnace body; a feeding device is arranged on one side of the workbench; a first pushing device and a second pushing device for pushing chemical blocks into the tunnel furnace body to carry out first firing and second firing are arranged on the workbench; a material carrying device is further arranged on one side of the tunnel furnace body on the workbench, and the material carrying device is used for carrying the chemical blocks after the first firing from the first feeding channel to the second feeding channel; and a paint box for accommodating paint is arranged on the workbench. The application can improve the processing efficiency of the chemical blocks.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of firing equipment, and in particular to a multi-hole reverse push-tunnel furnace. BACKGROUND

[0002] The tunnel furnace is a common combustion equipment and is widely used in the production of building materials and chemical products. In the production of chemical blocks such as boron carbide ceramics, in order to ensure that the mechanical properties of such chemical blocks meet the requirements, the following processes are usually performed on such chemical blocks in turn: first block firing, block coating with paint, and second block firing.

[0003] The related art currently discloses a tunnel furnace, which comprises a workbench, a tunnel furnace body mounted on the workbench, and a pushing member provided on one side of the tunnel furnace body on the workbench. First, the chemical block is placed on the workbench at a pushing position, and then the pushing member is driven to push the chemical block into the tunnel furnace body for first firing. After the firing is completed, paint is applied to the block, and then the block coated with paint is re-transported to the pushing position. Then, the pushing member is driven to push the block coated with paint into the tunnel furnace for second firing.

[0004] According to the related art in the above, the inventors believe that the following defects exist: the actions of placing the chemical block on the workbench and transporting the block coated with paint are time-consuming, resulting in low processing efficiency of the chemical block. SUMMARY

[0005] In order to improve the processing efficiency of the chemical block, the present application provides a multi-hole reverse push-tunnel furnace.

[0006] The multi-hole reverse push-tunnel furnace provided by the present application adopts the following technical scheme:

[0007] A multi-hole reverse push-tunnel furnace comprises a workbench, a tunnel furnace body, a first feeding channel, and a second feeding channel provided on the workbench, and the first feeding channel and the second feeding channel are provided in the tunnel furnace body. The multi-hole reverse push-tunnel furnace further comprises

[0008] A feeding device is provided on one side of the workbench, and the feeding device is used to receive chemical blocks and sequentially feed them into the first feeding channel.

[0009] A first pushing device is provided on one side of the workbench at the first feeding channel, and the first pushing device is used to push the received chemical blocks into the tunnel furnace body for first firing.

[0010] A material moving device is arranged on one side of the first feeding channel away from the feeding device, and the material moving device can move the chemical blocks from the first feeding channel to the second feeding channel.

[0011] A paint box is arranged on one side of the material moving device, and the paint box is used to contain paint, and the material moving device can also put the chemical blocks into the paint box.

[0012] A second pushing device is arranged on one side of the workbench and located in the second feeding channel, and the second pushing device is used to push the received chemical blocks into the tunnel furnace body for second firing.

[0013] By adopting the above technical scheme, the following processing process can be realized: firstly, a plurality of chemical blocks are placed in the feeding device and the paint box is filled with paint, then the feeding device transports a plurality of chemical blocks into the first feeding channel one by one, then the first pushing device pushes the chemical blocks into the tunnel furnace body for first firing, then under the continuous pushing of the first pushing device, the first fired chemical blocks reach one side of the material moving device, then the material moving device moves the first fired chemical blocks from the first feeding channel to the paint box, the first fired chemical blocks in the paint box can be painted, then the first fired chemical blocks are moved to the second feeding channel, and the second pushing device pushes the first fired chemical blocks into the tunnel furnace body for second firing; the above processing process improves the processing efficiency of the chemical blocks.

[0014] Preferably, the feeding device comprises a vibrating feeding assembly and a grabbing assembly, both of which are arranged on one side of the first feeding channel, the vibrating feeding assembly is used to contain a plurality of chemical blocks and orderly send them out, and the grabbing assembly is used to grab the chemical blocks into the first feeding channel one by one.

[0015] By adopting the above technical scheme, a plurality of chemical blocks can be placed in the vibrating feeding assembly, the vibrating feeding assembly can orderly send out the chemical blocks, and the grabbing assembly can grab the chemical blocks into the first feeding channel one by one.

[0016] Preferably, the vibrating feeding assembly comprises a base plate arranged on one side of the workbench, a guide column arranged on the base plate, a feeding box movably arranged on the guide column, a feeding opening arranged on the feeding box, a discharging opening arranged on the sidewall of the feeding box, the bottom surface of the feeding box being inclined downwardly towards the discharging opening, a vibrating member arranged on the feeding box and used for vibrating the feeding box, and a telescopic spring sleeved on the guide column, one end of the telescopic spring being connected with the feeding box and the other end of the telescopic spring being connected with the base plate.

[0017] One side of the base plate is further provided with a mounting block, and a conveying member is arranged on the mounting block, one end of the conveying member being located below the discharging opening.

[0018] By using the above technical scheme, a plurality of chemical blocks can be fed into the feeding box from the feeding opening, and then the vibrating member is started to make the plurality of chemical blocks gradually move on the bottom surface of the feeding box towards the discharging opening and be discharged from the discharging opening. The chemical blocks discharged from the discharging opening will fall on the conveying member, and the chemical blocks will be orderly sent out by the conveying member.

[0019] Preferably, the grabbing assembly comprises a fixing frame arranged on one side of the workbench, a first driving member arranged on the fixing frame, a second driving member arranged on the output end of the first driving member, and a clamping member arranged on the output end of the second driving member. The first driving member is used for driving the clamping member to move transversely between the conveying member and the first feeding channel, and the second driving member is used for driving the clamping member to move in the vertical direction.

[0020] By using the above technical scheme, the first driving member and the second driving member can drive the clamping member to move, so that the clamping member can grab the chemical blocks on the conveying member one by one into the first feeding channel.

[0021] Preferably, a guide hole is formed on the feeding box at the pointing position of the guide column, the guide column is inserted into the guide hole, and the feeding box can vibrate along the pointing position of the guide column.

[0022] By using the above technical scheme, the guide column inserted into the guide hole can make the feeding box vibrate only along the setting direction of the guide column under the action of the vibrating member. This design aims to ensure that the chemical blocks in the feeding box can be discharged from the discharging opening.

[0023] Preferably, a baffle is arranged on the mounting block at the stroke end of the conveying member, at least two side plates are further arranged on the mounting block and used for preventing the chemical blocks from separating from the conveying member, and an arrangement channel is formed between the plurality of side plates and the baffle. The conveying member is used for arranging the plurality of chemical blocks in the arrangement channel.

[0024] By adopting the technical scheme, the chemical blocks will fall into the arrangement channel from the discharge port, and the chemical blocks will be limited by the plurality of side plates during the transmission by the transmission member, the plurality of side plates can prevent the chemical blocks from being separated from the transmission member, and then the chemical blocks will be conveyed to abut against the baffle, so that the plurality of chemical blocks are arranged in the arrangement channel in sequence.

[0025] Preferably, the material moving device comprises a support frame arranged on the workbench and located at one side of the first feeding channel, a first driving member arranged on the support frame, a second driving member arranged on the output end of the first driving member, and a special-shaped clamping assembly arranged on the output end of the second driving member.

[0026] By adopting the technical scheme, the combination of the first driving member and the second driving member can drive the special-shaped clamping assembly to move; the chemical blocks after the first firing may be deformed, and the special-shaped clamping assembly can clamp the deformed chemical blocks; the chemical blocks entering the coating box may be slippery and difficult to grasp, and the special-shaped clamping assembly can clamp the slippery chemical blocks.

[0027] Preferably, the special-shaped clamping assembly comprises two clamping blocks capable of moving towards each other and moving away from each other, a plurality of blind holes are formed in the clamping surface of each clamping block, a clamping needle is movably arranged in each blind hole, a reset spring is arranged between the clamping needle and the bottom surface of the blind hole, and an expansion member for locking the clamping needle is further arranged in each blind hole.

[0028] By adopting the technical scheme, the following clamping process can be realized: when the chemical blocks are located between the two clamping blocks, the two clamping blocks move towards each other, at this time the clamping needles can abut against the chemical blocks under the action of the reset springs, and then the expansion members are driven to expand to lock the clamping needles, so that the chemical blocks are clamped.

[0029] Preferably, each expansion member is a gas expansion sleeve clamp, an air passage is formed in the clamping block, the air passage communicates with the inside of each gas expansion sleeve clamp, and an air inlet is formed in the clamping block.

[0030] By adopting the technical scheme, by injecting gas into the air inlet, the gas will enter the inside of the plurality of expansion member clamps through the air passage, and this design can control whether the expansion members are expanded, so as to control whether the special-shaped clamping assembly clamps the chemical blocks.

[0031] Preferably, a limiting shell is arranged on the first feeding channel, and the limiting shell is used for limiting the movement of the chemical blocks in the first feeding channel.

[0032] By adopting the above technical scheme, after the plurality of chemical blocks are located in the first feeding channel, the limiting shell can limit the movement of the plurality of chemical blocks pushed by the first pushing device, so as to prevent the plurality of chemical blocks from separating from the first feeding channel as much as possible.

[0033] In summary, the present application includes at least one of the following beneficial technical effects:

[0034] 1. The present application can realize the following processing process: first, a plurality of chemical blocks are placed in the feeding device and the paint box is filled with paint, then the feeding device will feed the plurality of chemical blocks into the first feeding channel one by one, then the first pushing device pushes the chemical blocks into the tunnel furnace body for the first time, then under the continuous pushing of the first pushing device, the first time burned chemical blocks will reach the side of the material moving device, then the material moving device can move the first time burned chemical blocks from the first feeding channel to the paint box, the first time burned chemical blocks can be painted in the paint box, then the first time burned chemical blocks will be moved to the second feeding channel, and the second pushing device will push the first time burned chemical blocks into the tunnel furnace body for the second time; the above processing process improves the processing efficiency of the chemical blocks;

[0035] 2. The combination of the first and second driving members can move the special-shaped clamping assembly; the chemical blocks after the first time burned may be deformed, and the special-shaped clamping assembly can clamp the deformed chemical blocks; the chemical blocks entering the paint box may be slippery and difficult to grasp, and the special-shaped clamping assembly can clamp the slippery chemical blocks. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 is a schematic diagram of the overall structure of a multi-hole reverse counter-pushing tunnel furnace in the embodiment of the present application;

[0037] Figure 2 is a structural schematic diagram for embodying the first and second feeding channels;

[0038] Figure 3 is a structural schematic diagram for embodying the vibrating feeding assembly;

[0039] Figure 4 is a structural schematic diagram for embodying the grabbing assembly;

[0040] Figure 5 is a structural schematic diagram for embodying the material moving device;

[0041] Figure 6 is a sectional view of the internal structure of the clamping block.

[0042] Marked in the drawing: 1, workbench; 11, tunnel furnace body; 111, firing channel; 12, first feeding channel; 13, second feeding channel; 14, collecting bin; 15, paint box; 16, limiting shell; 2, feeding device; 21, vibrating feeding assembly; 211, bottom plate; 212, guide column; 213, feeding bin; 2131, feeding port; 2132, discharging port; 214, vibrating piece; 215, telescopic spring; 216, guide hole; 217, mounting block; 2171, conveying piece; 2172, baffle; 2173, side plate; 2174, arrangement channel; 22, grabbing assembly; 221, fixing frame; 222, first driving piece; 223, second driving piece; 224, clamping piece; 3, first pushing device; 31, push plate; 4, material carrying device; 41, support frame; 42, first driving piece; 43, second driving piece; 44, special-shaped clamping assembly; 441, clamping piece; 442, clamping block; 4421, blind hole; 4422, clamping needle; 4423, return spring; 4424, expansion piece; 4425, air inlet; 5, second pushing device. DETAILED DESCRIPTION

[0043] The application will be further described below in conjunction with the drawings.

[0044] In the description of the application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc., is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, and cannot be understood as a limitation on the application.

[0045] The embodiment of the application discloses a porous reverse pair pushing tunnel furnace. The processing efficiency of chemical blocks is improved. The chemical blocks can be boron carbide ceramic blocks or other materials which need to pass through first firing, paint treatment and second firing in sequence.

[0046] Reference Figure 1 and Figure 2 A porous reverse pair pushing tunnel furnace comprises a workbench 1, the workbench 1 is provided with two parallel workstations, the structures in the two workstations are the same, and the structure in the lower one is taken as an example: a tunnel furnace body 11 is arranged at the middle position of the workbench 1, the tunnel furnace body 11 comprises a plurality of firing channels 111 which are parallel to the length direction of the workbench 1, and the tunnel furnace body 11 is preferably an electric heating tunnel furnace for environmental protection. The workbench 1 is provided with a first feeding channel 12 and a second feeding channel 13 which are arranged in parallel, the first feeding channel 12 and the second feeding channel 13 are respectively arranged in different firing channels 111, a collecting bin 14 is arranged on the left side of the workbench 1, and the collecting bin 14 is used for receiving chemical blocks falling from the second feeding channel 13.

[0047] Referring to Figure 1 and Figure 2 , the following continues to take the structure in the lower station as an example: in order to realize the automatic processing of the chemical blocks, according to the processing sequence of the chemical blocks, the lower side of the workbench 1 is provided with a feeding device 2, which is used to receive the chemical blocks and sequentially feed them into the first feeding channel 12; the left side of the workbench 1 above the first feeding channel 12 is provided with a first pushing device 3, and the output end of the first pushing device 3 is provided with a pushing plate 31, which is located in the first feeding channel 12. The first pushing device 3 can drive the pushing plate 31 to move in the first feeding channel 12 along the direction in which the first feeding channel 12 is arranged. The first pushing device 3 is a gas cylinder in the embodiment of the present application, and is used to push the received chemical blocks into the firing channel 111 for the first firing; the right side of the workbench 1 above the tunnel furnace body 11 is also provided with a material carrying device 4, which is located on one side of the right end of the first feeding channel 12. The material carrying device 4 can carry the chemical blocks after the first firing from the right end of the first feeding channel 12 to the right end of the second feeding channel 13; the workbench 1 is also provided with a groove on one side of the material carrying device 4, and a paint box 15 for containing paint is detachably placed in the groove. In order to facilitate the application of paint on the chemical blocks, the paint in the paint box 15 is preferably liquid paint; the right side of the workbench 1 above the second feeding channel 13 is also provided with a second pushing device 5, which has the same structure as the first pushing device 3. The second pushing device 5 is also a gas cylinder in the embodiment of the present application, and is used to push the received chemical blocks after the first firing into the firing channel 111 for the second firing.

[0048] Referring to Figure 1 and Figure 2 , in order to prevent the chemical blocks from being separated from the first feeding channel 12 when being pushed by the first pushing device 3 and from the second feeding channel 13 when being pushed by the second pushing device 5 as much as possible, the first feeding channel 12 and the second feeding channel 13 are provided with a limiting shell 16, which is used to limit the movement of the chemical blocks in the first feeding channel 12 and the second feeding channel 13.

[0049] Firstly, several chemical blocks need to be placed in the feeding device 2 and the paint box 15 is filled with paint, then the feeding device 2 will transport several chemical blocks into the first feeding channel 12, and then the first pushing device 3 pushes the chemical blocks into the firing channel 111 for the first firing, and then under the continuous pushing of the first pushing device 3, the first firing finished chemical blocks will reach one side of the material moving device 4, and then the material moving device 4 can move the first firing finished chemical blocks from the first feeding channel 12 to the paint box 15, and the first firing finished chemical blocks can be painted in the paint box 15, and then the first firing finished chemical blocks continue to be moved by the conveying device to the second feeding channel 13, and the second pushing device 5 pushes the first firing finished chemical blocks from right to left into the firing channel 111 for the second firing.

[0050] The following continues to take the structure in the lower station as an example:

[0051] Referring to Figure 1 , the feeding device 2 comprises a vibrating feeding assembly 21 and a grabbing assembly 22, and the vibrating feeding assembly 21 and the grabbing assembly 22 are both arranged on the lower side of the first feeding channel 12, the vibrating feeding assembly 21 is used for accommodating and orderly feeding several chemical blocks, and the grabbing assembly 22 is used for grabbing the chemical blocks orderly fed by the vibrating feeding assembly 21 into the first feeding channel 12 one by one.

[0052] Referring to Figure 3 , the vibrating feeding assembly 21 comprises a bottom plate 211, in combination with Figure 1 , the bottom plate 211 is arranged on the lower side of the workbench 1, and four guide columns 212 are arranged on the bottom plate 211, and a feeding box 213 is movably arranged at the top end of the four guide columns 212. In order to enable the feeding box 213 to vibrate, a vibrating piece 214 is arranged on the feeding box 213, and the vibrating piece 214 is a vibrating motor in the embodiment of the present application, a telescopic spring 215 is sleeved on each guide column 212, one end of each telescopic spring 215 is connected with the feeding box 213, and the other end of each telescopic spring 215 is connected with the bottom plate 211. In order to enable the feeding box 213 to vibrate in the vertical direction, the four guide columns 212 are vertically arranged, guide holes 216 are formed on the feeding box 213 at the positions where the guide columns 212 point, and the guide columns 212 are inserted into the guide holes 216.

[0053] Some specific structures on the feeding box 213 are as follows: the feeding box 213 has a feeding port 2131 on the top, the right side wall of the feeding box 213 has a discharging port 2132, the bottom surface in the feeding box 213 is inclined downward from left to right, the size of the discharging port 2132 is matched with the size of the chemical blocks, and the size of the discharging port 2132 is accurate for the chemical blocks to be discharged one by one.

[0054] After several chemical blocks are put into the feeding port 2131, the several chemical blocks will fall on the inner bottom surface of the feeding box 213, the vibration piece 214 is started to make the several chemical blocks vibrate in the feeding box 213, and the several chemical blocks will be discharged one by one from the discharge port 2132.

[0055] With reference to Figure 3 The vibration feeding assembly 21 further comprises a mounting block 217 provided on the right side of the bottom plate 211, the mounting block 217 is provided with a conveying piece 2171 which is a belt conveying piece in the embodiment of the application, and a motor for driving the belt conveying piece is mounted on the mounting block 217, the left side of the conveying piece 2171 is the beginning end of the stroke, the right side of the conveying piece 2171 is the end of the stroke, and the discharge port 2132 is located above the beginning end of the stroke. A baffle 2172 is fixedly provided on the mounting block 217 at the end of the stroke of the conveying piece 2171, and a plurality of side plates 2173 for preventing the chemical blocks from separating from the conveying piece 2171 are further provided on the mounting block 217, the side plates 2173 are two in the embodiment of the application, and the baffle 2172 and the two side plates 2173 form an arrangement channel 2174 therebetween, and the discharge port 2132 is located in the arrangement channel 2174. This design is intended to ensure that multiple chemical blocks do not appear in the stacked state on the conveying piece 2171, and the conveying piece 2171 is used to arrange the several chemical blocks in the arrangement channel 2174, and when the arrangement channel 2174 is full of chemical blocks, the chemical blocks will not be discharged from the discharge port 2132 to the conveying piece 2171.

[0056] After the several chemical blocks are discharged from the discharge port 2132, the chemical blocks will fall on the conveying piece 2171 and be located in the arrangement channel 2174, and under the driving of the conveying piece 2171, the several chemical blocks will move to the right side and abut against the baffle 2172, and the continuous operation of the conveying piece 2171 will make the chemical blocks abut against one another, so that the several chemical blocks are arranged in the arrangement channel 2174.

[0057] With reference to Figure 4 The grabbing assembly 22 comprises a fixing frame 221, in combination Figure 1 The fixing frame 221 is provided on one side of the workbench 1, the fixing frame 221 is provided with a first driving piece 222 which is a magnetic coupling rodless cylinder, the output end of the first driving piece 222 is provided with a second driving piece 223 which is a stroke-adjustable guide rod cylinder, and the output end of the second driving piece 223 is provided with a clamping piece 224 which is a clamping cylinder, the first driving piece 222 is used to drive the clamping piece 224 to move transversely along the width direction of the workbench 1 between the conveying piece 2171 and the first feeding channel 12, and the second driving piece 223 is used to drive the clamping piece 224 to move in the vertical direction.

[0058] The first driving member 222 and the second driving member 223 are driven in combination, so that the clamping member 224 is driven to move, and the clamping member 224 clamps the chemical blocks arranged in the arranging channel 2174 into the first feeding channel 12 one by one.

[0059] With reference to Figure 5 The material moving device 4 comprises a support frame 41, and the support frame 41 is arranged on the workbench 1 at one side of the first feeding channel 12. Figure 1 The support frame 41 is arranged on the right side of the tunnel furnace body 11, and the support frame 41 is arranged on the right side of the tunnel furnace body 11. The first driving member 42 is a magnetic coupling rodless cylinder, and the output end of the first driving member 42 is provided with a second driving member 43.

[0060] The first driving member 42 and the second driving member 43 are driven in combination, so that the special-shaped clamping assembly 44 is driven to move, and the special-shaped clamping assembly 44 clamps the chemical blocks in the first feeding channel 12 into the paint in the paint box 15 one by one.

[0061] With reference to Figure 5 Since the chemical blocks may be deformed after the first sintering, and the chemical blocks coated with paint may be slippery and difficult to grasp, in order to enable the special-shaped clamping assembly 44 to clamp the deformed or slippery chemical blocks, the special-shaped clamping assembly 44 comprises a clamping member 441 and two clamping blocks 442. Figure 6 With reference to The clamping surface of the clamping block 442 is provided with a plurality of blind holes 4421, each blind hole 4421 is movably provided with a clamping needle 4422, and each clamping needle 4422 is provided with a reset spring 4423 between the bottom surface of the blind hole 4421.

[0062] The above structure can realize the following clamping process: when the chemical blocks are located between the two clamping blocks 442, the two clamping blocks 442 move towards each other, at this time the clamping needles 4422 can be abutted on the chemical blocks under the action of the return springs 4423, then the gas is injected into the gas inlet 4425 to drive the expansion piece 4424 to expand to lock the clamping needles 4422, so that the chemical blocks are clamped.

[0063] The implementation principle of the porous reverse counter-pushing tunnel furnace in the embodiment of the application is as follows:

[0064] Firstly, a plurality of chemical blocks are fed into the feeding box 213 from the feeding port 2131, and the plurality of chemical blocks will fall on the inner bottom surface of the feeding box 213. The vibration piece 214 is started to vibrate the plurality of chemical blocks in the feeding box 213, and the plurality of chemical blocks will be discharged from the discharge port 2132 one by one. The chemical blocks will then fall on the conveying piece 2171 and be located in the arrangement channel 2174. Under the driving of the conveying piece 2171, the plurality of chemical blocks will move to the right and abut against the baffle 2172. The conveying piece 2171 will make the chemical blocks abut against each other, so that the plurality of chemical blocks are arranged in the arrangement channel 2174.

[0065] Then, the first driving piece 222 and the second driving piece 223 are combined to drive the clamping piece 224 to move, so that the clamping piece 224 clamps the arranged chemical blocks in the arrangement channel 2174 into the first feeding channel 12 one by one.

[0066] Then, the first pushing device 3 is started to push the chemical blocks into the firing channel 111 one by one for the first time.

[0067] Then, under the continuous pushing of the pushing plate 31 driven by the first pushing device 3, the plurality of chemical blocks in the first feeding channel 12 will be continuously pushed and squeezed to pass through the firing channel 111. The rightmost chemical block after the first time of firing will reach the side of the material moving device 4.

[0068] Then, the first driving piece 42 and the second driving piece 43 are combined to drive the special-shaped clamping assembly 44 to move, so that the special-shaped clamping assembly 44 clamps the chemical blocks after the first time of firing in the first feeding channel 12 into the paint box 15 one by one. At this time, the special-shaped clamping assembly 44 still clamps the chemical blocks after the first time of firing. Then, the first driving piece 42 and the second driving piece 43 are combined to continue driving the special-shaped clamping assembly 44 to move. Finally, the special-shaped clamping assembly 44 clamps the chemical blocks after the first time of firing into the second feeding channel 13.

[0069] Then, the second pushing device 5 is started to push the chemical blocks after the first time of firing into the firing channel 111 for the second time of firing.

[0070] After the second firing, the chemical blocks are pushed by the second pushing device 5 into the collecting bin 14.

[0071] The embodiments of the present application are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, and therefore: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A multi-porous counter-impelled tunnel furnace, characterized in that: The workbench (1) is provided with a tunnel furnace body (11), a first feeding channel (12) and a second feeding channel (13), and the first feeding channel (12) and the second feeding channel (13) are arranged in the tunnel furnace body (11) A feeding device (2) is arranged on one side of the workbench (1), and the feeding device (2) is used for receiving chemical blocks and feeding the chemical blocks into the first feeding channel (12) one by one; A first pushing device (3) is arranged on one side of the workbench (1) and located at one side of the first feeding channel (12), and the first pushing device (3) is used for pushing the received chemical blocks into the tunnel furnace body (11) for first firing; A material moving device (4) is arranged on one side of the first feeding channel (12) and located at one end away from the feeding device (2), and the material moving device (4) can move the chemical blocks from the first feeding channel (12) to the second feeding channel (13); A coating box (15) is arranged on one side of the material moving device (4), and the coating box (15) is used for containing coating, and the material moving device (4) can also put the chemical blocks into the coating box (15); A second pushing device (5) is arranged on one side of the workbench (1) and located at one side of the second feeding channel (13), and the second pushing device (5) is used for pushing the received chemical blocks into the tunnel furnace body (11) for second firing; The material moving device (4) comprises a support frame (41) arranged on one side of the workbench (1) and located at one side of the first feeding channel (12), a first actuating member (42) arranged on the support frame (41), a second actuating member (43) arranged on the output end of the first actuating member (42), and a special-shaped clamping assembly (44) arranged on the output end of the second actuating member (43); The special-shaped clamping assembly (44) comprises two clamping blocks (442) capable of moving towards each other and moving away from each other, a plurality of blind holes (4421) are formed in the clamping surface of each clamping block (442), a clamping needle (4422) is movably arranged in each blind hole (4421), a reset spring (4423) is arranged between the clamping needle (4422) and the bottom surface of the blind hole (4421), and an expansion member (4424) for locking the clamping needle (4422) is further arranged in each blind hole (4421); Each expansion member (4424) is a gas expansion sleeve clamp, an air passage is formed in the clamping block (442), the air passage is in communication with the inside of each gas expansion sleeve clamp, and an air inlet (4425) is formed in the clamping block (442). When the chemical block is located between the two clamping blocks (442), the two clamping blocks (442) move towards each other, the clamping needles (4422) are abutted on the chemical block, and the inflation member (4424) is inflated by injecting gas into the gas inlet (4425) to lock the clamping needles (4422).

2. A multi-porous reverse push-pull tunnel furnace according to claim 1, characterized in that: The feeding device (2) comprises a vibrating feeding assembly (21) and a grabbing assembly (22), both of which are arranged on one side of the first feeding channel (12), the vibrating feeding assembly (21) is used for accommodating and sequentially feeding a plurality of chemical blocks, and the grabbing assembly (22) is used for grabbing the chemical blocks into the first feeding channel (12) one by one.

3. A multi-porous reverse push-pull tunnel furnace according to claim 2, wherein: The vibrating feeding assembly (21) comprises a bottom plate (211) arranged on one side of the workbench (1), a guide column (212) arranged on the bottom plate (211), a feeding box (213) movably arranged on the guide column (212), a feeding opening (2131) arranged on the feeding box (213), a discharge opening (2132) arranged on the side wall of the feeding box (213), a bottom surface in the feeding box (213) inclined downward towards the discharge opening (2132), a vibrating member (214) arranged on the feeding box (213) and used for vibrating the feeding box (213), and a telescopic spring (215) sleeved on the guide column (212), one end of the telescopic spring (215) connected with the feeding box (213), and the other end of the telescopic spring (215) connected with the bottom plate (211). One side of the bottom plate (211) is further provided with a mounting block (217), and the mounting block (217) is provided with a conveying member (2171), one end of the conveying member (2171) located below the discharge opening (2132).

4. A multi-porous reverse push-pull tunnel furnace according to claim 3, wherein: The grabbing assembly (22) comprises a fixing frame (221) arranged on one side of the workbench (1), a first driving member (222) arranged on the fixing frame (221), a second driving member (223) arranged on the output end of the first driving member (222), a clamping member (224) arranged on the output end of the second driving member (223), the first driving member (222) used for driving the clamping member (224) to move transversely between the conveying member (2171) and the first feeding channel (12), and the second driving member (223) used for driving the clamping member (224) to move in the vertical direction.

5. The multi-passage reverse pusher tunnel furnace according to claim 3, wherein: The feeding box (213) is provided with a guide hole (216) at the pointing position of the guide column (212), the guide column (212) is inserted into the guide hole (216), and the feeding box (213) can vibrate along the pointing position of the guide column (212).

6. A multi-porous reverse push-pull tunnel furnace according to claim 3, wherein: The installation block (217) is provided with a baffle (2172) at the end of the stroke of the conveying member (2171), and is also provided with at least two side plates (2173) for preventing the chemical blocks from separating from the conveying member (2171), and an arrangement channel (2174) is formed between the side plates (2173) and the baffle (2172), and the conveying member (2171) is used to arrange the chemical blocks in the arrangement channel (2174).

7. The multi-passage reverse pusher tunnel furnace according to claim 1, wherein: The first feeding channel (12) is provided with a limiting shell (16) for limiting the movement of the chemical blocks in the first feeding channel (12).

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