CN214269150U

CN214269150U - A kiln automatic feeding mechanism

Info

Publication number: CN214269150U
Application number: CN202023224276.8U
Authority: CN
Inventors: 刘俊; 张俊; 张明胜; 崔强
Original assignee: Zouping Hongyu Boying Building Materials Co ltd
Current assignee: Zouping Hongyu Boying Building Materials Co ltd
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-09-24
Anticipated expiration: 2030-12-26

Abstract

The application relates to the field of making ancient tiles, and in particular to an automatic feeding mechanism for a kiln, including a bracket, a conveying roller and a motor. The conveying roller is arranged on the bracket and extends from the feeding port of the kiln to the discharging end At the place, the motor is used to drive the transmission roller, and a plurality of photodetectors are arranged on the transmission roller. The photodetector is electrically connected to the motor to control the start and stop of the transmission roller. When the distance between the adjacent two tile stacks is too close, the photodetector The motor will stop working, and the transmission will continue when the distance between the two adjacent tiles is appropriate, thereby reducing the phenomenon of insufficient heating during the firing process due to the too close of the distance between the tiles.

Description

Automatic feeding mechanism of kiln

Technical Field

The application relates to the field of ancient building tile manufacturing, in particular to an automatic feeding mechanism of a kiln.

Background

In order to pursue the aesthetic feeling, some buildings in the modern society can also use imitated ancient building tiles, and when the ancient building tiles are manufactured, mud blanks are required to be pressed into the appearance of the tiles, and then the tiles are dried and fired.

Referring to fig. 1, the firing of the tiles needs to be performed in the kiln 100, the mud blank is pressed and dried and then transported to the kiln 100 through a feeding mechanism for firing, the feeding mechanism comprises a conveying roller 300 and a motor 400, the conveying roller 300 extends from a feeding port 110 of the kiln 100 to a discharging end 120 of the kiln 100, the motor 400 drives a chain to drive, the conveying roller 300 rotates under the action of the chain, the dried tiles are stacked into a stack and placed in a tray, and then placed on the conveying roller 300, the conveying roller 300 continuously rotates, so that the tray moves towards the feeding port 110 of the kiln 100, and the stack of tiles is sent into the kiln 100.

In view of the above-mentioned related art, the inventors believe that the distance between adjacent stacks on the conveyor roller is uncertain and that the stacks may be heated insufficiently due to close proximity causing the stacks to close together after entering the kiln.

SUMMERY OF THE UTILITY MODEL

In order to improve the phenomenon that the distance of the tile stacks is too close to cause insufficient heating in the kiln, the application provides an automatic feeding mechanism of the kiln.

The application provides a kiln automatic feed mechanism adopts following technical scheme:

the automatic feeding mechanism of the kiln comprises a support, a conveying roller and a motor, wherein the support is arranged at a feeding hole of the kiln, the conveying roller is arranged on the support and extends from the feeding hole of the kiln to a discharging end, the motor is used for driving the conveying roller to rotate, and a plurality of photoelectric detectors are arranged on the conveying roller;

the photoelectric detector at the feed inlet is a first photoelectric detector, the photoelectric detector at one side of the first photoelectric detector, which is far away from the feed inlet, is a second photoelectric detector, a section of conveying roller between the first photoelectric detector and the second photoelectric detector is a first conveying roller, a motor for driving the first conveying roller is a first motor, a conveying roller at one side of the second photoelectric detector, which is far away from the feed inlet, is a second conveying roller, a motor for driving the second conveying roller is a second motor, a conveying roller between the feed inlet and the discharge end of the kiln is a third conveying roller, and a motor for driving the third conveying roller is a third motor;

the first photoelectric detector is electrically connected with the first driving motor and used for controlling the start and stop of the first conveying roller, and the second photoelectric detector is electrically connected with the second motor and used for controlling the start and stop of the second conveying roller.

By adopting the technical scheme, the tile stacks are conveyed into the kiln for firing through the conveying rollers, the third conveying roller rotates under the action of the third motor all the time, and when no tile stack exists at the first photoelectric detector, the whole conveying roller works normally; when the tile stack moves at the kiln feed inlet, the first photoelectric detector controls the first motor to be in an open circuit state so that the first conveying roller does not rotate any more, the tile stack is conveyed in the kiln under the action of the third conveying roller, and if the second photoelectric detector detects the tile stack, the second motor is in an open circuit state so that the second conveying roller does not rotate any more, so that the phenomenon that the distance between the tile stack and the tile stack in front is too short due to the movement of the tile stack at the second photoelectric detector is reduced; if there is no tile stack at the second photodetector, the second motor continues to operate until the tile stack moves to the second photodetector and stops. The photoelectric detector controls the starting and stopping of the motor, the photoelectric detector can stop the motor when the distance between two adjacent tile stacks is too close, and the motor can continue to be transmitted when the distance between two adjacent tile stacks is proper, so that the phenomenon that the heating is insufficient in the firing process due to the fact that the distance between the tile stacks is too close is reduced.

Optionally, one side that the feed inlet was kept away from to second photoelectric detector is provided with the third photoelectric detector, distance between second photoelectric detector and the third photoelectric detector is equal to the length of tile buttress on the transfer roller direction of motion, the third photoelectric detector is connected with the second motor electricity, stops with opening of second photoelectric detector simultaneous control second transfer roller.

Through adopting above-mentioned technical scheme, fix a position by second photoelectric detector and third photoelectric detector to the position of tile buttress simultaneously, second photoelectric detector and third photoelectric detector can fix a position twice to the position of tile buttress for the distance between the adjacent tile buttress is more accurate.

Optionally, two be provided with the connecting rod between the transfer roller, the connecting rod has the component parallel with direction of transfer, sliding connection has the spacer on the connecting rod, photoelectric detector installs on the spacer.

Through adopting above-mentioned technical scheme, photoelectric detector installs on the spacer, and the spacer can slide along the connecting rod, and the staff can change photoelectric detector position on the connecting rod through the slide positioning piece to change the distance between photoelectric detector and the feed inlet, make distance between photoelectric detector and the feed inlet and the size phase-match of tile buttress.

Optionally, the one end that the connecting rod kept away from the tile buttress is provided with the fixed block, the connecting rod wear to locate in the fixed block and with fixed block sliding connection, be provided with the bolt on the relative side of fixed block, the bolt is connected the back with the fixed block and is connected the connecting rod butt.

Through adopting above-mentioned technical scheme, when firing different tiles, the size of tile buttress is different, and sliding connection pole can change the distance between photoelectric detector and the tile buttress, has reduced because photoelectric detector is apart from the too long inaccurate phenomenon of detection that leads to of tile buttress, has also reduced because the too close phenomenon that can not remove to the feed inlet smoothly of tile buttress that leads to of tile buttress of photoelectric detector distance.

Optionally, a baffle is arranged at the feed inlet of the kiln, and the height of the baffle from the conveying roller is adjustable.

Through adopting above-mentioned technical scheme, the staff can be according to the height of the high adjusting stop apart from the transfer roller of tile buttress, has reduced because the phenomenon that the tile buttress that highly crosses low and lead to can not get into the kiln smoothly has also reduced because the phenomenon that dispels the heat too fast in the kiln that highly crosses high and lead to.

Optionally, one side that the third photoelectric detector kept away from the feed inlet is provided with limit for height device, limit for height device includes threaded rod and strip shaped plate, strip shaped plate and transfer roller are parallel, the strip shaped plate both ends are all worn to be equipped with the threaded rod is fixed with the nut in the both sides of strip shaped plate, the threaded rod is kept away from the one end of horizon bar and the leg joint of transfer roller.

Through adopting above-mentioned technical scheme, the staff can just can pass from the strip shaped plate below when highly being less than the height of strip shaped plate according to the height of the altitude mixture control strip shaped plate of feed inlet, the direction motion to the feed inlet under the effect of transfer roller, and the staff can manually take off partial tile when highly being higher than the height of strip shaped plate of tile buttress for the tile buttress can enter into in the kiln through the feed inlet smoothly.

Optionally, a guide plate is arranged at the first conveying roller, and the guide plate is arranged above the first conveying roller along the moving direction of the tile stack.

Through adopting above-mentioned technical scheme, the tile buttress moves to first transfer roller department, and the deflector can reduce the phenomenon of tile buttress removal in-process to the skew of transfer roller edge for entering into in the kiln that the tile buttress can be smooth.

Optionally, the guide plate upper surface is provided with a roller, and the tangential direction of the roller is consistent with the movement direction of the conveying roller.

Through adopting above-mentioned technical scheme, can be tangent with the gyro wheel when the position department of tile buttress skew to the deflector, the gyro wheel can rotate under the effect of tile buttress, has reduced the frictional force between tile buttress and the deflector, is favorable to the tile buttress to remove in the kiln.

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

1. the conveying roller is provided with a distance detection device which can detect the distance between adjacent tile stacks, when the distance is too short, the tile stacks far away from the feeding hole stop moving forward, and the phenomenon that the tile stacks are insufficiently heated due to too short tile stack distance is reduced;

2. the support is provided with a height limiting device, and the height of the height limiting device is lower than the height of the kiln feed inlet, so that the tile stack can smoothly enter the kiln.

Drawings

Fig. 1 is a schematic view of the overall structure of the related art of the present application;

FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 3 is a schematic diagram of a portion of an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a height limiting device in an embodiment of the present application;

FIG. 5 is an enlarged view at A in FIG. 3;

fig. 6 is a circuit diagram at the photodetector.

Description of reference numerals: 100. a kiln; 110. a feed inlet; 111. a chute; 112. a baffle plate; 113. positioning the bolt; 120. a discharge end; 200. a support; 300. a conveying roller; 310. a first transfer roller; 311. a guide plate; 312. a roller; 320. a second transfer roller; 400. a motor; 410. a first motor; 420. a second motor; 500. a photodetector; 510. a first photodetector; 520. a second photodetector; 530. a third photodetector; 600. a connecting rod; 610. positioning plates; 620. a fixed block; 630. a bolt; 700. a height limiting device; 710. a threaded rod; 720. a strip plate; 730. a nut; 800. a control circuit; 810. a first control circuit; 820. a second control circuit.

Detailed Description

The present application is described in further detail below with reference to figures 2-6.

The embodiment of the application discloses automatic feeding mechanism of kiln. Referring to fig. 2 and 3, the feeding mechanism of the kiln 100 comprises a support 200, a conveying roller 300, a first motor 410 and a second motor 420, wherein the first motor 410 and the second motor 420 are both arranged on the ground, the conveying roller 300 is arranged on the support 200 and extends from a feeding port 110 to a discharging end 120 to convey the tile stacks into the kiln 100 for firing. The conveying roller 300 is provided with a plurality of photodetectors 500 for detecting the distance between two adjacent sets of tile stacks, wherein a first photodetector 510 is located at the position of the feeding port 110 of the kiln 100, a second photodetector 520 is located at the side of the first photodetector 510 away from the feeding port 110, a third photodetector 530 is located at the side of the second photodetector 520 away from the feeding port 110, and the distance between the second photodetector 520 and the third photodetector 530 is the same as the length of the tile stacks along the moving direction of the conveying roller 300.

The conveying roller 300 between the first photoelectric detector 510 and the second photoelectric detector 520 is a first conveying roller 310, the first motor 410 drives a chain to drive, and the first conveying roller 310 rotates under the action of the chain and is used for conveying the tile stacks; the conveying roller 300 positioned on the side of the second photoelectric detector 520 far away from the feeding hole 110 is a second conveying roller 320, the second motor 420 drives the chain to drive, and the first conveying roller 310 rotates under the action of the chain and is used for conveying the tile stack; the conveying roller 300 from the first photoelectric detector 510 to the discharge end 120 of the kiln 100 is a third conveying roller 300, the third motor 400 is arranged inside the kiln 100 and can drive chain transmission, the third conveying roller 300 rotates under the action of a chain and is used for conveying tile stacks, and the third conveying roller 300 always keeps rotating in the process of firing tiles in the kiln 100.

When the tile stack is conveyed to the feed port 110, if the distance between two adjacent tile stacks is too small, the first conveying roller 310 and the second conveying roller 320 stop moving, the tile stack stops moving forward, and the tile stack continues to move forward after waiting for a group of tile stacks close to the feed port 110 to move to the feed port 110 for a certain distance, so that the distance between two adjacent tile stacks is increased, and the tile stacks are fully heated.

The first conveying roller 310 is further provided with a guide plate 311, if the tile stack is shifted when being conveyed to the first conveying roller 310, the tile stack can move towards the feeding hole 110 along with the guide plate 311 and finally enters the kiln 100, the phenomenon of collision with the side wall of the kiln 100 caused by excessive shift is reduced, the upper surface of the guide plate 311 is further provided with a roller 312, the tangential direction of the roller 312 is consistent with the moving direction of the conveying roller 300, the tile stack can move along with the guide plate 311 when being shifted to the position of the guide plate 311, the roller 312 rotates, and the resistance between the tile stack and the guide plate 311 is reduced.

The height of the feed inlet 110 of the kiln 100 can be adjusted according to the size of the tile stack, so that the height of the feed inlet 110 is matched with the height of the tile stack, if the feed inlet 110 is too high, the heat dissipation inside the kiln 100 is easily accelerated, and if the feed inlet 110 is too low, the volume of the tile stack entering the kiln 100 is easily too small, and the firing efficiency is affected. Therefore, the two sides of the feed port 110 of the kiln 100 are provided with vertical sliding grooves 111, the sliding grooves 111 are connected with baffle plates 112 in a sliding manner, and workers can adjust the height between the baffle plates 112 and the conveying roller 300 according to the size of the tile stack and fix the baffle plates and the conveying roller with positioning bolts 113. In order to match the height of the feeding hole 110, a height limiting device 700 is further provided on the second transfer roller 320 on a side of the third photodetector 530 away from the feeding hole 110.

Referring to fig. 4, the height limiting device 700 includes a threaded rod 710 and a strip 720, the strip 720 is parallel to the conveying roller 300, the height of the conveying roller 300 is not greater than the height of the feed port 110 of the kiln 100, the threaded rod 710 passes through two ends of the strip 720, and the upper and lower sides of the strip 720 are fixed by nuts 730. The tile stack can pass through the strip-shaped plate 720, and can smoothly enter the feeding hole 110, so that the phenomenon that the tile stack cannot enter the kiln 100 due to overhigh height is reduced.

Referring to fig. 5, the first photo detector 510 is mounted on the bracket 200 through a connecting rod 600, the connecting rod 600 has a component parallel to the moving direction of the conveying roller 300, in the embodiment of the present application, the connecting rod 600 is L-shaped, and includes a portion parallel to the moving direction of the conveying roller 300 and a portion perpendicular to the moving direction of the conveying roller 300, a positioning plate 610 is mounted on the portion parallel to the moving direction of the conveying roller 300, the positioning plate 610 is slidably connected to the connecting rod 600, the first photo detector 510 is mounted on the positioning plate 610, and the sliding positioning plate 610 can change the distance between the first photo detector 510 and the feeding hole 110 of the kiln 100. The fixing block 620 is provided at a portion of the connecting rod 600 perpendicular to the moving direction of the conveying roller 300, the connecting rod 600 is slidably connected to the fixing block 620 and can be slid toward a direction close to or away from the tile stack, and a bolt 630 for fixing the connecting rod 600 is further provided on the fixing block 620. Sliding the spacer 610 along the connecting rod 600 can adjust the distance between the photo detector 500 and the feed inlet 110, and sliding the connecting rod 600 can adjust the distance between the photo detector 500 and the tile stack.

Referring to fig. 6, a control circuit 800 is disposed at the motor 400, and a first control circuit 810 is disposed at the first motor 410 and can control start and stop of the first motor 410; at the second motor 420 is a second control circuit 820 that can control the start and stop of the second motor 420.

The first control circuit 810 includes a PNP transistor Q1, a base of the PNP transistor Q1 is electrically connected to a signal output terminal of the first photodetector 510 after being connected in series with a resistor R1, an emitter is electrically connected to a power supply, a collector is connected to a resistor R2 in series and then grounded, wherein a signal output by the first photodetector 510 is K1.

The second control circuit 820 includes an AND gate AND a PNP type triode Q2, the AND gate AND has three input terminals, which are respectively electrically connected to the signal output terminal of the first photo detector 510, the signal output terminal of the second photo detector 520, AND the signal output terminal of the third photo detector 530, the signal output terminal of the AND gate AND is electrically connected to the base of the PNP type triode Q2 after being connected in series with the resistor R4, the emitter of the PNP type triode Q2 is electrically connected to the power supply, AND the collector is connected to the ground after being connected in series with the resistor R3, wherein the signal output by the second photo detector 520 is K2, AND the signal output by the third photo detector 530 is K3.

The implementation principle of the automatic feeding mechanism of the kiln in the embodiment of the application is as follows: before the tiles are fired, the height of the baffle 112 at the feed port 110 and the height of the strip-shaped plate 720 in the height limiting device 700 are firstly adjusted according to the height of the tile stack, so that the tile stack can smoothly move from the lower part of the strip-shaped plate 720 to the feed port 110 and enter the kiln 100 through the feed port 110. The distance between the photodetectors 500 is then adjusted according to the size of the tile stack such that the distance between the second photodetector 520 and the third photodetector 530 is equal to the width of the tile stack, the distance between the first photodetector 510 and the second photodetector 520 ensuring that the tile stack is heated uniformly and without wasting space within the kiln 100.

The respective motors 400 are activated and the transfer rollers 300 start to rotate, wherein the third transfer roller always rotates, and the motion state of the first transfer roller 310 and the second transfer roller 320 is affected by the position of the tile stack. The tile stacks move at a constant speed towards the feed inlet 110 of the kiln 100. When the first photo detector 510 detects that there is no tile stack, it outputs a low level, the PNP transistor Q1 is turned on, the first motor 410 keeps operating, the first transfer roller 310 continues to rotate, at this time, the second photo detector 520 AND the third photo detector 530 output a low level with the AND gate AND regardless of whether there is a tile stack detected, the PNP transistor Q2 is turned on, AND the second transfer roller 320 also continues to rotate.

When the first photoelectric detector 510 detects a tile stack, a high level is output, the PNP transistor Q1 is cut off, the first motor 410 stops working, the first conveying roller 310 does not rotate any more, the tile stack moves towards the inside of the kiln 100 under the action of the third conveying roller, AND if the second photoelectric detector 520 AND the third photoelectric detector 530 detect the tile stack, the AND gate AND outputs the high level, the PNP transistor Q2 is cut off, AND the second conveying roller 320 does not rotate any more; if the third photo detector 530 detects the tile stack, the second photo detector 520 detects no tile stack, the AND gate AND outputs a low level, the PNP transistor Q2 is turned on, AND the second conveying roller 320 continues to rotate until the tile stack moves to the second photo detector 520 AND stops.

Therefore, when the distance between two adjacent groups of tile stacks is not larger than the distance between the first photoelectric detector 510 and the second photoelectric detector 520, the first conveying roller 310 and the second conveying roller 320 stop rotating, so that the phenomenon that the tile stacks are insufficiently heated due to too close distance between two adjacent groups of tile stacks is reduced; when the distance between two adjacent groups of tile stacks is greater than the distance between the first photoelectric detector 510 and the second photoelectric detector 520, the second conveying roller 320 continues to rotate until the tile stacks move to the second photoelectric detector 520, so that the phenomenon that the space inside the kiln 100 is wasted due to the fact that the distance between the two groups of tile stacks is too far is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a kiln automatic feed mechanism, includes support (200), transfer roller (300) and motor (400), transfer roller (300) set up on support (200), and feed inlet (110) from kiln (100) punishment extend to discharge end (120) department, motor (400) are used for driving transfer roller (300) transmission, its characterized in that: a plurality of photoelectric detectors (500) are arranged on the conveying roller (300);

the photoelectric detector (500) positioned at the feed inlet (110) is a first photoelectric detector (510), the photoelectric detector (500) positioned at one side of the first photoelectric detector (510) far away from the feed inlet (110) is a second photoelectric detector (520), a section of the conveying roller (300) between the first photo detector (510) and the second photo detector (520) is a first conveying roller (310), the motor (400) for driving the first transfer roller (310) is a first motor (410), the conveying roller (300) on the side, away from the feed opening (110), of the second photoelectric detector (520) is a second conveying roller (320), the motor (400) for driving the second conveying roller (320) is a second motor (420), the conveying roller (300) positioned between the feeding port (110) and the discharging end (120) of the kiln (100) is a third conveying roller (300), the motor (400) for driving the third conveying roller (300) is a third motor;

the first photoelectric detector (510) is electrically connected with the first driving motor (400) and used for controlling the start and stop of the first conveying roller (310), and the second photoelectric detector (520) is electrically connected with the second motor (420) and used for controlling the start and stop of the second conveying roller (320).

2. The automatic feeding mechanism of the kiln furnace as claimed in claim 1, wherein: one side that feed inlet (110) was kept away from in second photoelectric detector (520) is provided with third photoelectric detector (530), the distance between second photoelectric detector (520) and third photoelectric detector (530) equals the length of tile buttress on transfer roller (300) direction of motion, third photoelectric detector (530) is connected with second motor (420) electricity, and the opening of second transfer roller (320) is controlled simultaneously with second photoelectric detector (520) stops.

3. The automatic feeding mechanism of the kiln furnace as claimed in claim 2, wherein: two be provided with connecting rod (600) between transfer roller (300), connecting rod (600) have the weight parallel with direction of transfer, sliding connection has spacer (610) on connecting rod (600), photoelectric detector (500) are installed on spacer (610).

4. The automatic feeding mechanism of the kiln furnace as claimed in claim 3, wherein: the one end that the buttress was kept away from in connecting rod (600) is provided with fixed block (620), connecting rod (600) wear to locate in fixed block (620) and with fixed block (620) sliding connection, be provided with bolt (630) on the relative side of fixed block (620), bolt (630) are connected the back with connecting rod (600) butt with fixed block (620).

5. The automatic feeding mechanism of the kiln furnace as claimed in claim 4, wherein: the kiln (100) is characterized in that a baffle (112) is arranged at the feed inlet (110), and the height of the baffle (112) from the conveying roller (300) can be adjusted.

6. The automatic feeding mechanism of the kiln furnace as claimed in claim 5, wherein: one side that feed inlet (110) was kept away from in third photoelectric detector (530) is provided with limit for height device (700), limit for height device (700) includes threaded rod (710) and strip shaped plate (720), strip shaped plate (720) and transfer roller (300) are parallel, strip shaped plate (720) both ends are all worn to be equipped with threaded rod (710) are fixed with nut (730) in the both sides of strip shaped plate (720), the one end that the horizon bar was kept away from in threaded rod (710) is connected with support (200) of transfer roller (300).

7. The automatic feeding mechanism of the kiln furnace as claimed in claim 6, wherein: a guide plate (311) is arranged at the first conveying roller (310), and the guide plate (311) is arranged above the first conveying roller (310) along the moving direction of the tile stack.

8. The automatic feeding mechanism of the kiln furnace as claimed in claim 7, wherein: the upper surface of the guide plate (311) is provided with a roller (312), and the tangential direction of the roller (312) is consistent with the movement direction of the conveying roller (300).