CN210952231U

CN210952231U - Drying device capable of uniformly heating materials

Info

Publication number: CN210952231U
Application number: CN201921884674.7U
Authority: CN
Inventors: 陈民付
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-07-07
Anticipated expiration: 2029-11-05

Abstract

The utility model relates to a food processing equipment field especially indicates a drying device that can make material thermally equivalent. During operation, the trays for placing materials are pushed into the rails in the containing frames along the feeding ports in sequence, and the trays are filled in the containing frames of the rack one by one. When the equipment is operated, the materials can move along with the movement of the chain in the containing frame at the continuous S-shaped track of the chain, which is equivalent to that the materials move in a high-temperature environment, so that the materials can be fully and uniformly heated in the rack, and the drying is realized. After the materials are dried, when the containing frame moves downwards along a vertical track to be right above the blocking rod, the blocking rod moves along the length direction of the track of the containing frame, and the blocking rod can push each layer of tray on the containing frame to move out of the containing frame and move out of the rack along the feeding port. This through shelves pole with the tray of placing the material in the material frame release the mode outside the frame more convenient and more save time, consequently can effectual improvement efficiency of drying.

Description

Drying device capable of uniformly heating materials

Technical Field

The invention relates to the field of food processing equipment, in particular to a drying device capable of uniformly heating materials.

Background

The material processing refers to grain grinding, feed processing, vegetable oil and sugar processing, slaughtering, meat processing, aquatic product processing and the processing activities of materials such as vegetables, fruits and nuts which are directly carried out by taking agricultural, forestry, herding and fishery products as raw materials, and is a type of generalized agricultural product processing industry. Baking is one of the traditional material processing modes, and at present, in order to improve the drying efficiency during material processing and drying, baking equipment in the form of a tunnel furnace or baking equipment in the form of an oven is generally adopted.

The tunnel furnace type baking equipment is characterized in that the tunnel furnace is installed on one conveying belt, and during operation, workers are respectively located at two ends of the conveying belt, one end of each conveying belt is used for feeding, and the other end of each conveying belt is used for discharging. After feeding, the materials are conveyed to the tunnel furnace along with the conveyer belt to be baked, and then conveyed to the feeding end along with the conveyer belt to be fed. However, in practice, most production plants are limited by the bearing columns, so that it is difficult to provide an installation site matched with the length of the tunnel furnace and the length of the conveyor belt, the conveying speed of the conveyor belt and the baking temperature of the tunnel furnace need to be designed specifically according to the site, so that the applicability is poor. The baking equipment of oven form specifically is a mobile trolley of configuration in the oven, place the material in the trolley push-in oven with the form that piles up during the stoving, remove the trolley after the completion and take out the material outside the oven, then put into the material, push the trolley into the oven again and toast, it is comparatively troublesome that this in-process needs to push in again and push out the trolley, the time is wasted to a certain extent, the efficiency of toasting of reduction material is equivalent to, and the form that the material overlaps and stacks is static in the oven, can't make the material evenly receive and reach the effect of even stoving.

Disclosure of Invention

The invention provides a drying device capable of uniformly heating materials, and aims to solve the problems that the conventional material baking equipment cannot uniformly dry the materials and is low in drying efficiency.

The invention adopts the following technical scheme: a drying device capable of uniformly heating materials comprises a rack, wherein heat insulation plates are packaged on the outer side surfaces of the rack, a heating device is arranged in the rack, closed-loop chains are arranged on two sides in the rack, and the chains on the two sides are arranged in a mirror image manner; still be provided with a plurality of frames that hold in the frame between two chains, the upper end that holds the frame runs through there is a connecting rod, on the chain link of the chain of the both ends difference rotatable connection to frame both sides of connecting rod, its characterized in that: one side of the chain in the rack is in a continuous S-shaped track from top to bottom, the other side of the chain in the rack is in a vertical track, and the upper end and the lower end of the vertical track are connected with the upper end and the lower end of the continuous S-shaped track; the tray placing device comprises a containing frame, a plurality of trays, a plurality of supporting rods and a plurality of supporting rods, wherein the containing frame is provided with a plurality of tracks, two ends of each track are open, the trays are placed on the tracks on two sides of the containing frame, and the trays move along the tracks; the bottom of the rack is connected with a blocking rod, the blocking rod is located below a vertical track of the chain, when the containing frame moves to the lower end of the vertical track of the chain, the blocking rod moves along the length direction of the track of the containing frame, and the blocking rod pushes the tray on the containing frame to move.

As a further improvement, the chain-type transmission device further comprises a control system, a proximity switch is fixed on the rack at a position where the continuous S-shaped track of the chain is connected with the lower end of the vertical track, the proximity switch sends a signal to the control system after being triggered, and the control system receives the signal and controls the stop lever to move.

As a further improvement, a screw rod sliding table is fixed at the bottom of the rack, the stop lever is connected to the screw rod sliding table, and the control system controls the screw rod sliding table to operate.

As a further improvement, the control system controls the on and off of the proximity switch.

As a further improvement, the containing frame comprises a plurality of rails and two portal frames fixedly connected with two ends of the rails respectively, the rails are vertically arranged on two sides of the portal frames and are fixed, and the rails on two sides of the portal frames are horizontally in one-to-one correspondence.

As a further improvement, the heat insulation plate on one side of the rack is provided with a feeding port, the feeding port is located at a position where the continuous S-shaped track of the chain is connected with the lower end of the vertical track of the chain, and the feeding port is located on one side far away from the initial position of the stop lever.

As a further improvement, the rack is rotatably connected with a driving shaft, two ends of the driving shaft correspond to the chains on two sides of the rack, and two ends of the driving shaft are respectively connected to the connecting shafts close to the driving shaft in a chain transmission manner; and a driving device is further fixed on one side of the rack, and an output shaft of the driving device is connected with the driving shaft in a chain transmission mode.

As a further improvement, the chain is a roller chain, guide rails are arranged on two sides of the rack at the horizontal positions of the continuous S-shaped tracks of the chain, and rollers of the chain are located on the guide rails to move.

As a further improvement, the heating device comprises a heating unit and an induced draft fan, wherein an air inlet of the induced draft fan faces the heating unit, and an air outlet of the induced draft fan faces the position between the two chains in the rack.

As a further improvement, the rack is further provided with a cooling device, the cooling device comprises an air cooler fixed on the rack, an air inlet of the air cooler faces to the outside of the rack, and an air inlet of the air cooler faces to the position between the two chains and faces to the position of the chain with the vertical track.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages: when the tray placing machine is operated, trays with materials are sequentially pushed into the tracks in the containing frames along the feeding port, and the trays are filled on the containing frames of the machine frame one by one. When the equipment is operated, the materials can move at the continuous S-shaped track of the chain along with the movement of the chain in the containing frame, namely the materials move in a high-temperature environment, so that the materials can be fully and uniformly heated in the rack to be dried; after the materials are dried, after the containing frame moves downwards to the blocking rod along the vertical track through a set program, the blocking rod moves along the length direction of the track of the containing frame, and the blocking rod can push each layer of tray on the containing frame to move out of the containing frame and move out of the rack along the feeding port. Compared with the mode of loading and unloading materials by using a trolley in the prior art, the mode of pushing the tray for placing the materials in the material frames one by one out of the rack by the aid of the blocking rods is more convenient and saves more time, and therefore drying efficiency can be effectively improved.

Drawings

Fig. 1 is a schematic perspective view of a rack and chains connected to two sides of the rack.

Fig. 2 is an enlarged view of direction a in fig. 1.

Fig. 3 is a schematic view of the appearance structure of the present invention.

Fig. 4 is a schematic side structure view of the frame and the connecting chains on two sides of the frame.

Fig. 5 is a schematic side view of the present invention.

Fig. 6 is an enlarged view of the direction B in fig. 5.

Fig. 7 is a front view of the holding frame moving downward to the stopping rod.

Fig. 8 is a schematic perspective view of chains on two sides of the frame connected with the containing frame.

Fig. 9 is an enlarged view of the direction C in fig. 8.

Fig. 10 is a side view schematically illustrating the structure of the holding frame.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in attached drawings 1 and 3, the drying device capable of enabling materials to be heated uniformly comprises a rack 1, wherein the rack 1 is of a frame structure formed by welding sectional materials, heat insulation plates 11 are packaged on the outer side faces of the rack 1, and the inside of the rack 1 can form a complete heat insulation cavity through the sealing of the heat insulation plates 11. In addition, a heating device 3 for increasing the internal temperature of the frame 1 and a cooling device 4 for reducing the temperature are arranged in the frame 1.

As shown in fig. 1 to 5, closed-loop chains 2 are arranged on both sides in the rack 1, and the chains 2 on both sides of the rack 1 are arranged in a mirror image manner. The two sides of the frame 1 are both connected with a plurality of chain wheels 23, each chain wheel 23 is respectively meshed with the chains 2 on the two sides of the frame 1, specifically, the chain wheels 23 are fixedly connected with a connecting shaft 231, the connecting shaft 231 is fixedly connected to a bearing seat (not shown in the figure), and the bearing seat is fixed on the frame 1, so that the chain wheels 23 are connected. And one end of the chain 2 in the rack 1 is a continuous S-shaped track 21 from top to bottom through the arrangement of the chain wheel 23, the other side of the chain 2 in the rack 1 is a vertical track 22, and the upper end and the lower end of the vertical track 22 are connected with the upper end and the lower end of the continuous S-shaped track 21, so that the chain 2 forms a complete closed-loop chain structure. The chain 2 is a roller chain in the prior art, guide rails 13 are arranged on two sides of the rack 1 at the horizontal positions of the continuous S-shaped tracks 21 of the chain 2, and the guide rails 13 can be angle steels. The rollers of the chain 2 move on the guide rails 13.

As shown in fig. 1 and 2, the frame 1 is further connected with a driving shaft 243 through a bearing seat, two ends of the driving shaft 243 correspond to the chains 2 on two sides of the frame 1, and two ends of the driving shaft 243 are respectively connected to the connecting shafts 231 close to the driving shaft by means of chain transmission. A driving device 24 is further fixed on one side of the rack 1, and the present invention is further provided with a set of control system (not shown in the drawing), where the control system may be a PLC controller, and the control system is configured to control the operation speed of the driving device 24 (i.e. to control the moving speed of the material), the heating temperature of the heating device 3 (i.e. to control the temperature for heating the material), and the rotation speed of the air cooler of the cooling device 4 (i.e. to control the temperature for cooling the material). The driving device 24 may be a power assembly formed by a motor and a speed reducer, and an output shaft of the driving device 24 (i.e., an output shaft of the speed reducer) is connected to the driving shaft 243 in a chain transmission manner, so that the driving device 24 drives the chains 2 on two sides of the frame 1 to move synchronously. Furthermore, the connecting shaft 231 connected with each chain wheel 23 in the same vertical direction can be fixedly connected with a driving chain wheel 242 at the side opposite to the chain wheel 23, and two adjacent driving chain wheels 242 are connected and driven through a driving chain 241.

As shown in fig. 7 to 10, a plurality of containing frames 5 are further disposed between the two chains 2 in the frame 1. The containing frame 5 comprises a plurality of rails 53 and two portal frames 54 fixedly connected with two ends of the rails 53 respectively, the rails 53 are vertically arranged on two sides of the portal frames 54, and the rails 53 on two sides of the portal frames 54 are horizontally in one-to-one correspondence. The cross section of the track 53 is of a right-angle-shaped angle steel structure, a plurality of trays 52 are placed on the track 53 positioned at the same horizontal position on two sides of the containing frame 5, the trays 52 are used for placing materials to be dried, and the trays 52 can move along the track 53. In addition, both ends of the rail 53 are open, so that the tray 52 can be horizontally moved out of or into the rail 53 along the length direction of the rail 53.

As shown in fig. 8 and 9, a connecting rod 51 penetrates through the containing frame 5 between the two portal frames 54, and two ends of the connecting rod 51 respectively extend out of the containing frame 5 and are rotatably connected to the chain links 25 of the chains 2 on two sides of the frame 1. Specifically, punching press in advance forms connecting hole 251 in the chain link 25 side of chain 2, during the installation, wear to adorn respectively on connecting hole 251 of two chains 2 with the both ends of connecting rod 51 on each hold frame 5, place the chain 2 of frame 1 both sides on frame 1 along sprocket 23 and guide rail 13's position again, utilize the fastener to link up the end to end of chain 2 at last and can accomplish the installation of chain 2 and hold frame 5, the structure and the connected mode of fastener are chain end to end both ends assembled and connected's among the prior art technique, and the details are given here. By adopting the structure, the chain 2 can move to drive each containing frame 5 to move along the continuous S-shaped track 21 and the vertical track 22 of the chain 5 in the rack 1, and the connecting rod 51 of the containing frame 5 is rotatably connected with the chain 2, so that the containing frame 5 can be always kept in a horizontal state, and the material is prevented from falling off in the conveying process.

As shown in fig. 4 to 8, a screw rod sliding table 61 is fixed at the bottom of the frame 1, the screw rod sliding table 61 is a sliding table of a ball screw structure used for driving linear movement in the prior art, and a sliding block 62 used for moving on the screw rod sliding table 61 moves along the length direction of the track 53 for holding the frame 5. Fixedly connected with shelves pole 63 on the slider 62, shelves pole 63 is located the below of the continuous S type orbit 21 of chain 2, and is located the sprocket 23 below that continuous S type orbit and vertical orbit 22 link up, and the drive through lead screw slip table 61 can realize shelves pole 63 is followed the length direction who holds track 53 of frame 5 removes. As shown in fig. 6, after the containing frame 5 moves down along the vertical track 22 to the lower end position of the vertical track 22, the gantry 54 of the containing frame 5 can be made to fall vertically down to the position of the stop bar 63, even if the height of the lever 63 is higher than that of each layer of the tray 52, so that the stop bar 63 can push the tray 52 to move on the track and move out of the containing frame 5 when moving. A proximity switch 16 is fixed on the lower end of the vertical track 22 of the chain 2 of the frame 1, the proximity switch 16 is a distance sensing switch in the prior art, and both the proximity switch 16 and the screw rod sliding table 61 are electrically connected to the control system. After the proximity switch 16 is triggered, a signal is sent to the control system, the control system receives the signal and controls the screw rod sliding table 61 to drive the gear rod 63 to move, in addition, the control system can also control the opening and closing of the proximity switch 16, the control modes of the control systems are all the existing electric control technologies, and detailed description is omitted here. After the containing frame 5 moves downwards along the vertical track 22 of the chain 2 to the lower end position of the vertical track 22, the proximity switch 16 is triggered, so that the control system controls the screw rod sliding table 61 to drive the shift lever 63 to move along the length direction of the track 53 of the containing frame 5, and the shift lever 63 pushes the tray 52 on each layer of track 53 on the containing frame 5 to move.

As shown in fig. 7, the heat insulation board 11 on one side of the rack 1 is provided with a feeding port 12, the feeding port 12 is located at a position where the lower end of the continuous S-shaped track 21 of the chain 2 is connected with the lower end of the vertical track 22 of the chain 2, and the feeding port 12 is located on one side far away from the initial position of the stop bar 63. When the materials are placed in the containing frame 5, the materials can be placed on the tray 52 firstly, and the placing process can be carried out through manual placing or mechanical equipment placing; and then the tray 52 is pushed into each layer of track 53 in the containing frame 5 through the feeding hole 12, the process can be operated by manpower, a conveying belt or a mechanical arm, the efficiency of the material placing in the containing frame 5 can be improved by the mode, and the tray 52 containing the material is placed in each containing frame 5 of the chain 2 one by one in a sequential mode. Further, the control system can set two modes, namely a feeding mode and a discharging mode, through a writing program. The feeding mode can reduce the moving speed of the containing frames 5 by closing the induction of the proximity switch 16 and slowing down the moving speed of the chain 2, so that when the containing frames 5 move to the position of the feeding hole 12, the containing frames 5 can be smoothly placed into the tray 52 containing materials; or still can set for the procedure at control system, make proximity switch 16 with signal transmission to control system after being triggered, control system receives this signal and controls drive arrangement 24 and move after the pause several seconds, can make each hold frame 5 all can pause several seconds in the position of removing to feed inlet 12, specifically can pause 10 ~ 15 seconds to put into the tray 52 that holds the material in holding frame 5, the mode of two kinds of feeding modes makes holding frame 5 put the material back automatic moving-away pay-off mouth 12 position in proper order, another holds frame 5 automatic moving-in pay-off mouth 12 position. After drying, a discharging mode can be set, namely, a mode that the control system sets the proximity switch 16 to trigger and then controls the screw rod sliding table 61 to operate is set, after the containing frame 5 moves to the trigger proximity switch 16, the screw rod sliding table 61 drives the stop lever 63 to move, the tray 52 on the containing frame 5 is pushed to move, the tray 52 moves out of the rack 1 along the feeding port 12, and drying is completed.

As shown in fig. 3 and 5, heating device 3 is including heating unit 31 and draught fan 32, heating unit 31 can be the heating device who comprises a plurality of electric heating pipe, the air intake of draught fan 32 is towards heating unit 31, and the air outlet of draught fan 32 is towards the position between two chains 2 in the frame 1, and the air outlet of draught fan 32 is towards the one end in the 21 sections of continuous S type orbit of chain 2, makes it can be in the in-process that moves along with chain 2 to hold frame 5, places in the material that holds in the frame 5 and can obtain abundant heating and drying, and this can be effectual area of saving equipment through holding the mode that frame 5 moved realization stoving on chain 2 in the prior art compare the mode of tunnel furnace stoving among the chain 2. Cooling device 4 is including the air-cooler of frame 1 that is fixed in, the air intake of air-cooler is towards outside frame 1, and the air intake of air-cooler is towards between two chains 2, and towards in the temperature of the leading-in chain 2 position at vertical orbit 22 of 2 vertical orbits of chain, through the air-cooler with the leading-in temperature that can effectual reduction chain 2 of outside air to the material after drying by heating carries out the refrigerated processing of cooling down, and the later stage workman of being convenient for takes the material.

In addition, as shown in fig. 3 and 5, a dehumidifying fan 7 is fixed at the top of the frame 1, a temperature sensor (not shown in the drawing) and a humidity sensor (not shown in the drawing) are further disposed in the frame 1, the dehumidifying fan 7 is also controlled by the control system, and the control system receives signals of the temperature sensor and the humidity sensor to control the start and stop of the dehumidifying fan 7. When excessive water vapor is generated in the drying process and the humidity reaches the preset value of the control system, the humidity sensor transmits the sensed signal to the control system, and the control system receives the humidity signal and controls the humidity exhaust fan 7 to operate, so that the moisture in the rack 1 is exhausted; or when the temperature reaches the preset value of the control system in the rack 1, the temperature sensor transmits the sensed signal to the control system, and the control system receives the temperature signal and controls the humidity-discharging fan 7 to operate, so that the high-temperature moisture in the rack 1 is discharged, and the drying efficiency and the drying quality can be effectively accelerated by controlling the water vapor generated in the drying process according to the humidity or the temperature.

The working process of the invention is as follows:

placing the materials to be dried on the tray 52 manually or mechanically, then placing the tray 52 containing the materials on each layer of track 53 on the containing frames 5 along the feed port 12 in a manual mode, a conveying belt mode or a mechanical arm mode, and the like, automatically removing the feed port 12 after one containing frame 5 is completely placed in the placing process, and moving the other containing frame 5 to the feed port 12 for placing the materials, wherein the materials are placed in all the containing frames 5 sequentially;

setting drying parameters, namely the heating temperature and the heating time of the heating device, the cooling time of the cooling device and the moving speed of the chain, and then enabling the materials to move from bottom to top in the continuous S-shaped track 21 of the chain 2 along with the movement of the chain 2 in the containing frame 5, so that the materials can be fully and uniformly heated in the rack 1, and further drying is realized;

after the materials are dried, the materials move to the vertical track 22 of the chain 2 in the containing frame 5 along with the movement of the chain 2, and the heated and dried materials can be cooled through the cooling device 4 in the process; and when the containing frame 5 moves downwards to the proximity switch 16, the proximity switch 16 is triggered, the lever 63 is driven by the screw rod sliding table 61 to push each layer of tray 52 on the containing frame 5 to move out of the containing frame 5, and the tray is moved out of the rack 1 along the feeding port 12, preferably, a manipulator or a conveyer belt can be arranged at the position of the feeding port 12, so that the material moved out of the feeding port 12 can be directly transferred to a downward moving process through the conveyer belt or the manipulator, and the complete streamlined operation of drying the material is realized.

The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.

Claims

1. A drying device capable of uniformly heating materials comprises a rack, wherein heat insulation plates are packaged on the outer side surfaces of the rack, a heating device is arranged in the rack, closed-loop chains are arranged on two sides in the rack, and the chains on the two sides are arranged in a mirror image manner; still be provided with a plurality of frames that hold in the frame between two chains, the upper end that holds the frame runs through there is a connecting rod, on the chain link of the chain of the both ends difference rotatable connection to frame both sides of connecting rod, its characterized in that: one side of the chain in the rack is in a continuous S-shaped track from top to bottom, the other side of the chain in the rack is in a vertical track, and the upper end and the lower end of the vertical track are connected with the upper end and the lower end of the continuous S-shaped track; the tray placing device comprises a containing frame, a plurality of trays, a plurality of supporting rods and a plurality of supporting rods, wherein the containing frame is provided with a plurality of tracks, two ends of each track are open, the trays are placed on the tracks on two sides of the containing frame, and the trays move along the tracks; the bottom of the rack is connected with a blocking rod, the blocking rod is located below a vertical track of the chain, when the containing frame moves to a position right above the blocking rod, the blocking rod moves along the length direction of the track of the containing frame, and the blocking rod pushes the tray on the containing frame to move.

2. The drying device capable of uniformly heating the materials as claimed in claim 1, wherein: the chain transmission device is characterized by further comprising a control system, wherein a proximity switch is fixed on the rack at a position where the continuous S-shaped track of the chain is connected with the lower end of the vertical track, the proximity switch sends a signal to the control system after being triggered, and the control system receives the signal and controls the gear lever to move.

3. The drying device capable of uniformly heating the materials as claimed in claim 2, wherein: the bottom of the rack is fixedly provided with a screw rod sliding table, the stop lever is connected to the screw rod sliding table, and the control system controls the screw rod sliding table to operate.

4. The drying device capable of uniformly heating the materials as claimed in claim 2, wherein: the control system controls the on and off of the proximity switch.

5. The drying device capable of uniformly heating the materials as claimed in claim 1, wherein: the containing frame comprises a plurality of rails and two portal frames fixedly connected with two ends of the rails respectively, the two sides of each portal frame are vertically arranged to fix the plurality of rails, and the rails on the two sides of each portal frame are horizontally in one-to-one correspondence.

6. The drying device capable of uniformly heating the materials as claimed in claim 1, wherein: the insulation board on one side of the rack is provided with a feeding port, the feeding port is located at the position where the continuous S-shaped track of the chain is connected with the lower end of the vertical track of the chain, and the feeding port is located on one side far away from the initial position of the stop lever.

7. The drying device capable of uniformly heating the materials as claimed in claim 1, wherein: the frame is rotatably connected with a driving shaft, two ends of the driving shaft correspond to the chains on two sides of the frame, and two ends of the driving shaft are respectively connected to the connecting shafts close to the driving shaft in a chain transmission mode; and a driving device is further fixed on one side of the rack, and an output shaft of the driving device is connected with the driving shaft in a chain transmission mode.

8. The drying device capable of uniformly heating the materials as claimed in claim 1, wherein: the chain is a roller chain, guide rails are arranged on two sides of the rack at the horizontal positions of the continuous S-shaped tracks of the chain, and rollers of the chain are located on the guide rails to move.

9. The drying device capable of uniformly heating the materials as claimed in claim 1, wherein: the heating device comprises a heating unit and an induced draft fan, wherein an air inlet of the induced draft fan faces the heating unit, and an air outlet of the induced draft fan faces the position between the two chains in the rack.

10. The drying device capable of uniformly heating the materials as claimed in claim 1, wherein: the rack is also provided with a cooling device which comprises an air cooler fixed on the rack, an air inlet of the air cooler faces to the outside of the rack, and an air inlet of the air cooler faces to the position between the two chains and faces to the position of the chain with the vertical track.