CN108244161B - Stone cake production line keeping traditional technology - Google Patents

Abstract

The invention provides a stone cake production line keeping the traditional technology, which comprises a stone transportation channel, a stone cake forming and transporting platform, stone cake separating equipment and the like, wherein the stone transportation channel is provided with a stone preheating section and is provided with a first lane and a second lane, the first lane is used for transporting stones paved on the lower surface of a cake, the second lane is used for transporting stones paved on the upper surface of the cake, the stone cake forming and transporting platform is provided with a baking section for baking the stones and the cake, and the stone cake separating equipment is used for sieving the stones and transporting the baked cake. According to the invention, the fully-automatic stone cake production is realized through the equipment, so that the taste of the traditional production process and the concave-convex randomness of the stone cake after production are maintained, the production efficiency is greatly improved, in addition, the stone is preheated, the adhesion between the stone and the flour cake can be prevented, and the taste of the stone cake is greatly improved.

Description

Stone cake production line keeping traditional technology

Technical Field

The invention relates to the technical field of food processing equipment, in particular to a stone cake production line retaining a traditional process.

Background

The stone cake is a traditional famous point popular in Shanxi and Shanxi areas, and is a traditional Chinese baked food. The stone cake is also called as stone steamed bread, dry cake and the like, when the stone cake is manufactured, the stone cake is firstly heated, and then the well-mixed white flour or coarse cereal flour is directly put on the stone for cooking. The food has crisp, salty and fragrant taste, and is a food with special flavor. The existing stone cake production mode is two, one is traditional manual production, traditional flavor and taste of the stone cake are reserved, production efficiency is low, labor cost is high, the other is processed through automatic equipment, such as a forming machine for producing the stone cake disclosed by publication No. CN102210335A, the stone cake is formed through an upper die and a lower die, although production efficiency can be improved, the flour cake is not cooked in stones, the shape of a template is fixed, concave-convex randomness on the produced stone cake cannot be realized, and therefore the flavor and taste of the traditional technology cannot be reserved.

Disclosure of Invention

The invention aims to provide a stone cake production line which is high in production efficiency and capable of keeping the traditional process.

In order to achieve the above purpose, the technical scheme provided by the invention is as follows: a stone cake production line retaining conventional technology, comprising: the stone conveying channel is provided with a stone preheating section for preheating the stones and is provided with a dividing device for dividing the stone conveying channel into a first dividing channel and a second dividing channel, wherein the first dividing channel is used for conveying the stones paved on the lower surface of the flour cake, and the second dividing channel is used for conveying the stones paved on the upper surface of the flour cake; a stone cake forming and transporting platform for receiving and transporting the cake and the stones transported by the stone transporting channel, wherein the stone cake forming and transporting platform is provided with a baking section for baking the stones and the cake; and the stone cake separating device is connected with the stone cake forming and conveying platform and is used for screening stones and conveying baked cakes.

According to the stone cake production line capable of reserving the traditional process, fully-automatic stone cake production is achieved through the stone conveying channel, the lane dividing device, the stone cake forming and conveying platform and the stone cake separating device, the taste of the traditional production process and the randomness of the concave-convex on the stone cake after production are reserved, the production efficiency is greatly improved, in addition, stones are preheated, adhesion between the stones and the flour cake can be prevented, and the taste of the stone cake is greatly improved.

In addition, the stone cake production line retaining the conventional process according to the above embodiment of the present invention may further have the following additional technical features:

according to one example of the invention, the stone face cake separating device comprises a frame, a driving wheel set, a separating net chain, a stone guide groove and a stone recovery bin, wherein the driving wheel set is connected with the frame and driven by a driving motor to rotate, the separating net chain is a conveyor belt with holes, the size of each hole is between a stone and a stone face cake, the separating net chain is sleeved on the driving wheel set, the stone guide groove is obliquely arranged and connected with the frame and is positioned below the separating net chain, the stone recovery bin is connected with the frame, and the stone recovery bin is positioned below the lower end of the stone guide groove.

According to an example of the invention, the driving wheel set comprises at least one set of positioning wheels for fixing the transport net chain and a set of steering wheels for changing the transport direction of the separating net chain, the separating net chain is one closed annular net chain sleeved on the steering wheels and the positioning wheels, the number of the positioning wheels is at least four, two positioning wheels are respectively arranged on two sides of the upper part of the frame, two positioning wheels are respectively arranged on two sides of the lower part of the frame, at least one of the positioning wheels is connected with a motor, and the steering wheels divide the separating net chain into at least two sections.

According to an example of the invention, the stone pancake separating apparatus comprises a body and a separating device mounted on the body, the separating device comprising a screen and a toothed roller set, the screen being mounted on the toothed roller set, the toothed roller set comprising a plurality of toothed rollers arranged in parallel, the screen being provided with meshes for the teeth of the toothed rollers to pass through, the mesh size of the screen being greater than the stone size and less than the pancake size.

According to an example of the present invention, the secondary baking apparatus is further comprised of a secondary baking apparatus connected to the stone pancake separating apparatus and performing secondary baking on the pancake.

According to an example of the present invention, the stone circulating and transporting device is used for transporting the stones screened by the stone facial cake separating device to the stone transporting channel, one end of the stone circulating and transporting device is connected with the stone facial cake separating device, and the other end of the stone circulating and transporting device is connected with the stone transporting channel.

According to one example of the invention, the stone paving device further comprises a stone conveying platform, a stone leveling mechanism positioned above the stone conveying platform and a vibration mechanism positioned below the stone conveying platform, wherein the distance between the bottom of the stone leveling mechanism and the upper surface of the stone conveying platform is larger than the particle size of stones and smaller than twice the particle size of stones, and the vibration mechanism is connected with the stone conveying platform and transmits vibration to the stone conveying platform.

According to an example of the present invention, the stone conveyor further comprises a first lane conveyor and a second lane conveyor, one end of the first lane conveyor is connected to the first lane, the other end of the first lane conveyor is used for outputting stones, one end of the second lane conveyor is connected to the second lane, the other end of the second lane conveyor is used for outputting stones, and each of the first lane conveyor and the second lane conveyor comprises a conveying channel and at least one vibrator installed at the bottom of the conveying channel.

According to an example of the invention, the stone transport channel comprises a stone transport belt, a plurality of anti-slip baffles are arranged on the stone transport belt, and leakage-proof baffles for preventing stone from leaking laterally are arranged on two sides of the stone transport belt.

According to an example of the invention, the pebble conveyor belt is composed of a plurality of strip-shaped conveyor belt units hinged with each other, two ends of each conveyor belt unit are respectively connected with one side baffle, and a plurality of side baffles which are mutually overlapped form a leakage-proof baffle.

The advantages of the above additional aspects will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural view of a stone cake production line retaining a conventional process according to the present embodiment;

fig. 2 is a schematic structural view of a first stone pancake separating apparatus of the stone pancake production line retaining the conventional technology according to the present embodiment;

fig. 3 is a schematic structural view of a second stone pancake separating apparatus of the stone pancake production line retaining the conventional technology according to the present embodiment;

FIG. 4 is a schematic diagram of the split network structure of FIG. 2;

fig. 5 is a schematic structural view of a stone paving device of the stone cake production line retaining the conventional technology according to the present embodiment;

fig. 6 is a schematic structural view of a stone lane dividing apparatus of the stone cake production line retaining the conventional technology according to the present embodiment;

FIG. 7 is a schematic view of the first and second lane conveyors of FIG. 6;

fig. 8 is a schematic diagram of a stone circulation system of the stone cake production line retaining the conventional technology according to the present embodiment;

fig. 9 is a schematic structural view of a stone transporting device of the stone cake production line of the present embodiment;

fig. 10 is a schematic view showing stone paving and skin forming of the stone cake production line of the present embodiment retaining the conventional process.

In the drawings, the list of components represented by the various numbers is as follows:

1. a stone transport passage; 101. a stone conveyor belt; 1011. an anti-slip baffle; 1012. a leakage-proof baffle; 102. conveyor idler; 2. a first lane; 3. a second lane; 4. a first lane conveyor; 5. a second lane conveyor; 6. a stone paving mechanism; 7. a lower stone paving mechanism; 8. a stone cake forming and transporting platform; 9. a stone pancake separating device; 10. stone preheating oven; 11. a conveying channel; 12. a vibrator; 13. an oven; 14. a frame; 15. a driving wheel group; 151. a steering wheel; 152. a positioning wheel; 16. separating a net chain; 161. a first split network segment; 162. a second separator segment; 17. a stone guide groove; 18. a stone recycling bin; 19. a body; 20. a stone receiving device; 21. an upper screen; 22. an upper layer toothed roller set; 23. a lower screen; 24. a lower layer toothed roller set; 25. a stone leveling mechanism; 251. leveling rollers; 26. a vibration mechanism; 261. a bracket; 262. an elastic member; 263. a vibration motor; 264. a roller; 27. a secondary baking device; 28. a stone circulating and transporting device; 29. a powder recovery and filtration device; 30. dough sheet conveyer.

Detailed Description

The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.

Referring to fig. 1-10, the embodiment provides a stone cake production line which retains the conventional technology, and comprises a stone transportation channel 1, a first lane 2, a second lane 3, a first lane conveyor 4, a second lane conveyor 5, an upper stone paving mechanism 6, a lower stone paving mechanism 7, a stone cake forming and transporting platform 8 and stone cake separating equipment 9.

As shown in fig. 6, one end of the stone transportation channel 1 is provided with a channel dividing device (not shown in the drawing) for dividing the stone transportation channel 1 into a first channel 2 and a second channel 3, preferably, the channel dividing device in this embodiment is a baffle plate disposed at one end of the stone transportation channel 1 near the first channel conveyor 4 and the second channel conveyor 5, and the baffle plate divides the rear half of the stone transportation channel 1 into two branches to realize the channel division of stones, and of course, the structure of the channel dividing device is not limited to this, and other structures capable of realizing the channel dividing function (for example, the stone transportation channel 1 is directly designed into a double-branch long-short structure) are also within the scope of the invention.

The two ends of the first lane conveyor 4 are respectively connected with the first lane 2 and the lower stone paving mechanism 7, the two ends of the second lane conveyor 5 are respectively connected with the second lane 3 and the upper stone paving mechanism 6, the upper stone paving mechanism 6 and the lower stone paving mechanism 7 are used for paving stones conveyed by the lane conveyor into a stone cake forming baking process, specifically, the upper stone paving mechanism and the lower stone paving mechanism all comprise stone receiving grooves and stone conveying devices, an opening (not shown in the figure) for enabling stones to leave the stone receiving grooves is formed in one side of each stone receiving groove, the opening (not shown in the figure) is formed in the lower part of each stone receiving groove, and the stone conveying devices are arranged at the opening of the lower part of each stone receiving groove and are used for conveying stones in the stone receiving grooves to the opening of the lower part of each stone receiving groove. Preferably, the internal width of the stone receiving slot is reduced from top to bottom, so as to facilitate falling of the stone, and the stone transporting device of this embodiment may be a conveyor belt, although other devices capable of horizontally conveying articles known in the art are also within the scope of the present invention.

According to the structure, the stones in the stone transportation channel are subjected to the channel splitting treatment through the channel splitting device, the stones are respectively conveyed to the upper stone paving mechanism and the lower stone paving mechanism through the channel splitting conveyor, the automation of stone channel splitting and paving is completed, the production efficiency is greatly improved, and the labor cost is reduced.

Specifically, the pebble transportation channel 1 of this embodiment is provided with a pebble preheating section, and the pebble preheating section can be realized by arranging a pebble preheating oven 10 on the part, so that the dough cake can be formed conveniently by the preheated pebbles, the sticking of the pebbles and the dough cake can be prevented, and the taste of the dough cake can be improved maximally.

As shown in fig. 7, the first lane conveyor 4 and the second lane conveyor 5 of this embodiment each include a conveying channel 11 and at least one vibrator 12 installed at the bottom of the stone channel, so that the stone can be conveniently moved down by the vibrator 12, and in addition, an included angle between the conveying channel and the horizontal plane can be designed, which may be in a range of 10 ° -30 °, so that the stone can be more conveniently moved down, and of course, the conveying channel may also be a horizontal channel.

Specifically, the length of the first lane 2 in this embodiment may be designed to be greater than the length of the second lane 3, and this design is because the stone cake needs to be laid at first in the lower layer of stones during the manufacturing process, then the flour cake is put in, and then the upper layer of stones is laid, so that when the length of the first lane 2 is greater than the length of the second lane 3, the advance of the lower stone on the stone cake forming and transporting platform 8 can be ensured.

Specifically, the stone cake forming and transporting platform 8 of this embodiment includes a belt conveying mechanism and an oven 13, the oven 13 forms the baking section, and the oven 13 and the preheated stones heat the cake together, so that the cake ripening speed is greatly accelerated.

As shown in fig. 9, the pebble transporting channel 1 of this embodiment includes a pebble transporting belt 101 and a plurality of transporting belt rollers 102 arranged at intervals at the bottom of the pebble transporting belt, and the mesh belt structure facilitates evaporation of water in the baking process, accelerates baking speed of the dough cake, and supports the pebble transporting belt through the transporting belt rollers distributed at intervals, thereby improving structural stability. Specifically, the distance between every two conveyer belt carrier rollers is preferably 0.5m-1.5m, so that the using amount of the conveyer belt carrier rollers is saved and the structural stability can be ensured. Preferably, the stone conveyer 101 is provided with a plurality of anti-slip baffles 1011, and two sides of the stone conveyer 101 are provided with anti-leakage baffles 1012 for preventing side leakage of stones, so that the stone conveyer has the functions of preventing down leakage, landslide and side leakage. The stone conveyer belt of the stone conveyer channel 1 consists of a plurality of strip conveyer belt units hinged with each other, two ends of each conveyer belt unit are respectively connected with a side baffle, and a plurality of side baffles overlapped with each other form a leakage-proof baffle. This structure can prevent that the stone from leaking out from the side of conveyer belt when guaranteeing conveyer belt normal operating. Of course, other devices for transporting stones in the present application may also employ the above-described stone conveyor belt structure.

In addition, the applicant also designs two kinds of stone pancake separating devices, namely a first stone pancake separating device and a second stone separating device, which are preferably used together, so that the separating efficiency can be greatly improved, and as shown in fig. 2 and 3, the first stone pancake separating device comprises a rack 14, a driving wheel set 15, a separating net chain 16, a stone guide groove 17 and a stone recycling bin 18, and the driving wheel set 15 is connected with the rack 14 and driven by a driving motor (not shown) to rotate; the separation net chain 16 is a conveyor belt with holes, the size of the holes is between the stones and the stone face cakes, and the separation net chain 16 is sleeved on the driving wheel set 15 and is driven along with the rotation of the driving wheel set 15; the stone guide grooves 17 are grooves which are obliquely arranged along the axial direction, and the stone guide grooves 17 are connected with the frame 14 and are positioned below the separation net chains 16; the stone recycling bin 18 is connected with the frame 14, and the stone recycling bin 18 is located below the lower end of the stone guide groove 17. The separating equipment is arranged below the discharging end of the stone face cake conveying belt, and the step of separating the stone face cake from the stone comprises four steps of throwing, falling, shocking and knocking and leaking; the size and shape of the holes on the separating net chain are suitable for the falling of matched stones and can ensure that the stone surface cakes are left on the separating net chain to be conveyed to the next working procedure.

Two sides of the separation net chain 16 are connected with leakage-proof baffles, and the lower ends of the leakage-proof baffles are connected with the side walls of the separation net chain. For preventing stones or stone cakes from slipping off the sides of the separating net chains.

The separating mesh chain 16 comprises a first separating mesh segment 161 and a second separating mesh segment 162, wherein the projections of the first separating mesh segment 161 and the second separating mesh segment 162 on a horizontal plane are overlapped, and the overlapped parts have a height difference on a vertical plane, that is, the first separating mesh segment and the second separating mesh segment are inverted Z-shaped in shape. The driving wheel set 15 is a set and comprises two steering wheels 151 and positioning wheels 152, the separating net chain 16 is a closed annular net chain sleeved on the driving wheel set 15, the number of the positioning wheels is at least four, two of the positioning wheels are respectively connected to two sides of the upper portion of the frame 14 and used for positioning the upper edge of the closed annular net chain, the other positioning wheels are also connected with the frame and used for positioning the separating net chain into a tight closed annular net chain so as to facilitate the operation of the separating net chain, at least one of the positioning wheels 152 is connected with a motor, the number of the steering wheels 151 is two, the first steering wheels and the second steering wheels are respectively arranged along the transmission direction of the separating net chain 16, the first steering wheels and the second steering wheels divide the upper edge of the separating net chain 16 into a first separating net chain segment 161 and a second separating net chain segment 162 with height differences. When the first separation net chain segment and the second separation net chain segment are positioned on the same closed separation net chain, a larger closed cavity can be formed inside the separation net chain, and the pebble guide groove and the pebble recycling bin can be positioned in the closed cavity, so that equipment can be conveniently installed and distributed, and space occupation can be saved.

As shown in fig. 3, the second stone facing cake separating apparatus of this embodiment includes a machine body 19, a separating device mounted on the machine body 19 and a stone receiving device 20 mounted directly below the separating device, the separating device may be a single-stage separating mechanism composed of a screen and a toothed roller set, or may be a secondary separating mechanism capable of bringing about a better separating effect as shown in the figure, the secondary separating mechanism includes an upper screen 21, an upper toothed roller set 22, a lower screen 23 and a lower toothed roller set 24, the mesh openings of the upper screen 21 and the lower screen 23 are larger than the size of stones and smaller than the size of facing cakes, the upper screen 21 is mounted on the upper toothed roller set 22, the lower screen 23 is mounted on the lower toothed roller set 24, the upper toothed roller set 22 and the lower toothed roller set 24 are located on the front and rear sides of the machine body 19, i.e., the facing cakes and unfinished stones of the upper screen 21 are engaged by the lower toothed roller set 22 and the lower toothed roller set is carried by the lower toothed roller set and the lower toothed roller set is not parallel to the driving device (the toothed roller set is a driving device is not shown in the figure).

The terms "upper and lower" in the upper screen, upper toothed roller set, lower screen, and lower toothed roller set refer to the relative upper and lower positional relationship between the upper screen and lower screen or between the upper toothed roller set and lower toothed roller set, and do not refer to the position of the structure on the machine body.

Specifically, the tooth roller of this embodiment is equipped with the multirow along its circumference evenly spaced tooth group, every row of tooth group have a plurality of edges the even spaced tooth of axial of tooth roller, the screen cloth is equipped with the confession the mesh that the tooth of tooth roller passed, no matter which row of tooth all can pass through when the tooth roller rotates the mesh of screen cloth, but also can play certain stirring effect to the cake, and design a plurality of teeth of tooth roller as even interval, can guarantee the regularity of the motion of stone and stone cake, avoid stone filtration inhomogeneous. Of course, the teeth of the tooth roller set may be distributed unevenly, or the size and shape of the teeth may be changed, and those skilled in the art may make routine modifications to the arrangement and shape of the teeth, which are also within the scope of the present invention.

As shown in fig. 5, this embodiment further provides a stone paving device for leveling a lower stone, where the stone paving device includes a stone leveling mechanism 25 located above the stone cake forming and transporting platform 8 and a vibration mechanism 26 located below the stone cake forming and transporting platform, and a distance between the bottom of the stone leveling mechanism 25 and the upper surface of the stone cake forming and transporting platform 8 is greater than or equal to a particle size of a stone and less than a particle size of a double stone, preferably 1.2-1.5 times the particle size of the stone, and it should be noted that the sizes of the stones in this embodiment are approximately the same or completely the same, and are preformed for the applicant. The vibration part of the vibration mechanism 26 of the present embodiment is in contact with the bottom of the stone transport platform and transmits vibration to the stone transport platform.

Specifically, the stone leveling mechanism 25 of this embodiment includes a plurality of leveling rollers 251 that distribute along the stone transportation direction interval, more specifically, the quantity of leveling rollers 251 is two, one of them the leveling rollers is located directly over the vibration mechanism, another one sets up on the well back end of stone cake shaping transportation platform 8, can carry out primary leveling to the stone at the vibration stage to carry out secondary leveling through the leveling rollers of back end in the stone cake shaping transportation platform 8, improve the leveling effect.

Specifically, the vibration mechanism 26 of this embodiment includes a support 261, an elastic member 262 and a vibration motor 263, the bottom of the vibration motor 263 is mounted on the support 261, the vibration mechanism on the upper portion of the vibration motor 263 contacts with the stone cake forming and transporting platform 8, one end of the elastic member 262 is connected with the upper portion of the vibration motor 263, the other end of the elastic member is mounted on the support 261, the vibration mechanism on the upper portion of the vibration motor 263 is reset through the elastic member in the vibration process, and the elastic member can play a certain buffering role on the vibration of the vibration motor. Preferably, the top of the vibration motor 263 of the present embodiment is provided with a plurality of rollers 264, and the rollers 264 are connected with the bottom of the stone cake forming and transporting platform 8, and since the vibration motor 263 generates a certain horizontal displacement vibration in addition to the up-down reciprocating vibration, in order to avoid the influence of the horizontal vibration on the upper stone cake forming and transporting platform, the top of the vibration motor 263 is provided with the rollers 264, and the disturbance of the horizontal vibration on the upper stone cake forming and transporting platform 8 can be avoided by the rotation of the rollers. More preferably, the elastic member in this embodiment is a spring, and four springs are respectively mounted on the left and right sides of the bracket, and the springs have good restoring effect and damping capability.

The upper stone paving mechanism 6 and the lower stone paving mechanism 7 of the specific embodiment both comprise a stone receiving groove and a stone transporting device, one side of the stone receiving groove is provided with an opening (not shown in the figure) for allowing stones to leave the stone receiving groove, the stone receiving groove is provided with an opening (not shown in the figure) at the lower part, the stone transporting device is arranged at the opening at the lower part of the stone receiving groove, and the stone transporting device is used for transporting stones in the stone receiving groove to the opening at the lower part of the stone receiving groove. Preferably, the internal width of the stone receiving slot is reduced from top to bottom, so as to facilitate falling of the stone, and the stone transporting device of this embodiment may be a conveyor belt, although other devices capable of horizontally conveying articles known in the art are also within the scope of the present invention.

Specifically, in this embodiment, in order to further improve the baking efficiency, this embodiment is further provided with a secondary baking device 27 connected to the stone pancake separating device 9 and performing secondary baking on the pancake, so as to further bake the pancake and prevent a partial area of the primarily baked pancake from being incompletely cooked.

Specifically, in this embodiment, the stone circulating and transporting device 28 is further included for transporting the stones screened by the stone facial cake separating device to the stone transporting channel 1, one end of the stone circulating and transporting device 28 is connected to the stone facial cake separating device 9, and the other end is connected to the stone transporting channel 1. The pebble circulation and transportation device 28 can greatly improve the pebble utilization rate, and the pebbles just separated from the flour cake have certain residual temperature, so that the heat energy required for heating the pebbles can be reduced after the pebbles enter the preheating section again, and the energy is saved.

Specifically, the stone cake forming and transporting platform 8 and the stone transporting channel 1 of the present embodiment may be arranged in various manners, for example, the stone cake forming and transporting platform 8 and the stone transporting channel 1 are all disposed on the same horizontal plane, or have a certain height difference, and at this time, the structure of the stone circulating and transporting device 28 may also be composed of a stone transporting belt and a transporting belt carrier roller. For example, the stone cake forming and transporting platform 8 is disposed below the stone transporting channel 1, and the stone circulating and transporting device 28 may be a vertical lifter or the like to vertically circulate the stones into the stone transporting channel 1, although other layout structures are also within the scope of the invention.

In addition, a powder recovery and filtration device 29 can be arranged between the stone transportation channel and the stone circulating device, and the powder recovery and filtration device 29 can be a negative pressure exhaust fan and other devices and is used for removing the powder on the recycled stones and preventing the influence on the cakes when the stones are put into production again.

Referring to fig. 10, the working process of the stone cake production line retaining the conventional technology in the present application is as follows: the stones enter a first lane and a second lane through a lane dividing device after being preheated in a stone conveying passage, are respectively conveyed to an upper stone paving mechanism and a lower stone paving mechanism (the upper and lower parts refer to the upper and lower parts of a cake) through a first lane dividing conveyor and a second lane dividing conveyor, the lower stones on a stone forming conveying platform are leveled through a stone leveling device, the cake is paved on the lower stone paving device through a face skin conveyor 30, at the moment, the upper stone paving mechanism lays the upper stones above the cake, then a baking section of the stone forming conveying platform heats the stones and the cake, the stones and the cake after heating are screened out through a stone separating mechanism, the screened-out stones return to the stone conveying passage again through a stone circulating device, and the cake enters secondary baking equipment for secondary baking.

While embodiments of the present invention have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations may be made to the above embodiments by those skilled in the art within the scope and spirit of the invention, and any such modifications, equivalents, improvements, etc. are intended to be included within the scope of the present invention.

Claims (9)

1. The utility model provides a stone cake production line which characterized in that includes:

the stone conveying channel is provided with a stone preheating section for preheating the stone and is provided with a lane dividing device for dividing the stone conveying channel into a first lane and a second lane, wherein the first lane is used for conveying the stone paved on the lower surface of the flour cake, and the second lane is used for conveying the stone paved on the upper surface of the flour cake; the stone conveying channel comprises a stone conveying belt and a plurality of conveying belt carrier rollers which are arranged at the bottom of the stone conveying belt at intervals;

a stone cake forming and transporting platform for receiving and transporting the cake and the stones transported by the stone transporting channel, wherein the stone cake forming and transporting platform is provided with a baking section for baking the stones and the cake;

the stone cake separating device is connected with the stone cake forming and conveying platform and is used for screening stones and conveying baked cakes;

the stone face cake separating device comprises a frame, a driving wheel set, a separating net chain, a stone guide groove and a stone recycling bin, wherein the driving wheel set is connected with the frame and driven by a driving motor to rotate, the separating net chain is a conveyor belt with holes, the size of each hole is between a stone and a stone face cake, the separating net chain is sleeved on the driving wheel set, the stone guide groove is obliquely arranged and connected with the frame and is positioned below the separating net chain, the stone recycling bin is connected with the frame, and the stone recycling bin is positioned below the lower end of the stone guide groove;

the driving wheel group comprises at least one group of positioning wheels for fixing the separation net chain and at least one group of steering wheels capable of changing the transportation direction of the separation net chain, the separation net chain is a closed annular net chain sleeved on the steering wheels and the positioning wheels, at least one of the positioning wheels is connected with the driving motor, and the separation net chain is divided into at least two sections by the steering wheels.

2. The stone biscuit production line of claim 1 wherein there are at least four positioning wheels, two of which are mounted on each side of the upper portion of the frame and two of which are mounted on each side of the lower portion of the frame.

3. A stone cake production line according to claim 1 or 2, characterised in that the stone cake separating device comprises a machine body and a separating means mounted on the machine body, the separating means comprising a screen and a set of toothed rollers, the screen being mounted on the set of toothed rollers, the set of toothed rollers comprising a plurality of toothed rollers arranged in parallel, the screen being provided with mesh openings for the teeth of the toothed rollers to pass through, the mesh opening of the screen being greater than the stone size and less than the cake size.

4. A stone biscuit production line according to claim 1 or claim 2 further comprising a secondary baking apparatus connected to the stone biscuit separating apparatus and adapted to secondary bake the biscuit.

5. A stone biscuit production line according to claim 1 or claim 2 further comprising a stone circulation conveyor for conveying stones screened by the stone biscuit separating apparatus to the stone transport chute, the stone circulation conveyor being connected at one end to the stone biscuit separating apparatus and at the other end to the stone transport chute.

6. The stone biscuit production line of claim 1 or 2, further comprising a stone paving device, wherein the stone paving device comprises a stone transport platform, a stone leveling mechanism located above the stone transport platform, and a vibration mechanism located below the stone transport platform, wherein the distance between the bottom of the stone leveling mechanism and the upper surface of the stone transport platform is greater than the particle size of stones and less than twice the particle size of stones, and the vibration mechanism is connected with the stone transport platform and transmits vibration to the stone transport platform.

7. The stone biscuit production line of claim 1 or 2, further comprising a first lane conveyor and a second lane conveyor, wherein one end of the first lane conveyor is connected to the first lane, the other end is used for outputting stones, one end of the second lane conveyor is connected to the second lane, the other end is used for outputting stones, and the first lane conveyor and the second lane conveyor each comprise a conveying channel and at least one vibrator arranged at the bottom of the conveying channel.

8. The stone biscuit production line according to claim 1 or 2, wherein a plurality of anti-slip baffles are arranged on the stone conveyor belt, and leakage-proof baffles for preventing stone side leakage are arranged on two sides of the stone conveyor belt.

9. The stone biscuit production line of claim 8, wherein the stone conveyor belt is comprised of a plurality of strip conveyor belt units hinged to one another, each of the conveyor belt units having a side panel attached to each end thereof, the side panels being joined to one another to form a leak-proof panel.

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