Four-fold rolled square steamed bun production line combining machine

Abstract

The utility model discloses a four-fold rolled square steamed bun production line combining machine which comprises a base, a dough pressing mechanism, a dough combining mechanism, a dough block conveying belt, a first dough sheet conveying belt and a second dough sheet conveying belt. A formed dough sheet conveying belt is arranged on the base; the dough pressing mechanism and the sheet combining mechanism are arranged at the two ends of the base respectively, the dough pressing mechanism is used for pressing dough blocks into dough sheets, and the sheet combining mechanism is used for combining the two dough sheets into one sheet; a formed dough sheet outlet of the sheet combining mechanism is in butt joint with one end of the formed dough sheet conveying belt; the dough block conveying belt is arranged above the formed dough sheet conveying belt, and one end of the dough block conveying belt is butted with a dough block inlet of the dough pressing mechanism; the first dough sheet conveying belt and the second dough sheet conveying belt are sequentially arranged above the dough block conveying belt; wherein the first dough sheet conveying belt and the second dough sheet conveying belt are configured to alternately move and are used for conveying dough sheets pressed by the dough pressing mechanism into the sheet combining mechanism and realizing butt joint between the two dough sheets. According to the four-fold rolled square steamed bun production line combining machine disclosed by the utility model, the operations of dough pressing, dough combining, forming, dough rolling and dough slicing of dough blocks can be completed, and the whole equipment is compact in structure and small in occupied area.

Description

Technical Field

[0001] The utility model relates to the technical field of food processing machinery, in particular to a four-fold rolled square steamed bun production line combined machine. Background Art

[0002] Steamed buns are made of wheat flour as the main raw material and are steamed through fermentation. Steamed buns are one of the traditional Chinese noodles and one of the staple foods of Chinese people. There are a lot of people who eat steamed buns in my country, and the amount of consumption is extremely large. However, the pace of life of modern people is very fast, and most people do not have time to steam steamed buns at home, but choose to buy steamed buns in the market to eat.

[0003] At present, when making steamed buns, it is necessary to cut the kneaded dough into segments manually and knead it into shapes. However, manual steamed bun making is laborious and inefficient, and the weight of the dough used for each steamed bun is not accurately calculated manually. At present, there are also a variety of steamed bun making devices on the market. Although they can replace manual steamed bun making, they still have many disadvantages. For example, in the mechanical processing of these steamed buns, the dough is often first kneaded by a dough mixer, then pressed, and finally entered into a molding machine for molding and a shaping machine for shaping to form a standard steamed bun blank. The steamed bun processing and molding process is complicated, occupies more machines, resulting in excessive floor space and more material consumption; and the production efficiency is low, and the steamed bun molding speed is slow, which cannot meet the needs of industrial production.

[0004] Therefore, it is necessary to design a square steamed bun production line combined machine with compact structure and small footprint. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a four-fold and rolled square steamed bun production line combined machine, which can complete the operations of pressing, combining, shaping, rolling and slicing dough blocks, and the whole equipment has a compact structure and occupies a small area.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] The utility model provides a four-fold rolled square steamed bun production line combined machine, comprising:

[0008] A base, wherein a dough forming sheet conveyor belt is provided on the base;

[0009] A noodle pressing mechanism is provided at one end of the base and is used to press the noodle block into a noodle sheet; the noodle pressing mechanism has a noodle block inlet located at the lower side and a noodle sheet outlet located at the upper side;

[0010] A sheet-closing mechanism is provided at the other end of the base and is used to join two dough sheets into one piece; the lower side of the sheet-closing mechanism has a formed dough sheet outlet and the upper side has a dough sheet inlet; the formed dough sheet outlet is butted against one end of the formed dough sheet conveyor belt;

[0011] A noodle block conveyor belt is arranged above the formed noodle sheet conveyor belt, one end of which is connected to the noodle block entrance of the noodle pressing mechanism and is used to convey the noodle blocks to the noodle pressing mechanism;

[0012] a first dough sheet conveyor belt, arranged above the dough block conveyor belt, one end of which is connected to the dough sheet outlet of the dough pressing mechanism, and the other end of which is located above the dough sheet inlet of the dough closing mechanism; and

[0013] a second dough sheet conveyor belt, arranged above the first dough sheet conveyor belt, one end of which is located above the dough sheet outlet of the dough pressing mechanism, and the other end of which is located above the dough sheet inlet of the dough closing mechanism;

[0014] The first dough sheet conveyor belt and the second dough sheet conveyor belt are configured to move alternately, so as to convey the dough sheets pressed by the dough pressing mechanism to the sheet closing mechanism, and realize the docking between the two dough sheets.

[0015] In a preferred embodiment of the utility model, the noodle pressing mechanism includes a noodle pressing shell located on the base, and a pair of noodle pressing rollers are provided in the noodle pressing shell; the noodle block inlet and the noodle sheet outlet are both opened on the side of the noodle pressing shell facing the sheet closing mechanism.

[0016] In a preferred embodiment of the present invention, a pair of first support frames located on both sides of the formed dough sheet conveyor belt is provided on the base, and the dough block conveyor belt is fixed above the base through the pair of first support frames.

[0017] In a preferred embodiment of the utility model, a dough sheet output conveyor belt is further provided at the dough sheet outlet of the dough pressing mechanism, for conveying the dough sheets output from the dough sheet outlet to the first dough sheet conveyor belt or the second dough sheet conveyor belt.

[0018] In a preferred embodiment of the present invention, lifting devices are further provided on both sides of the dough output conveyor belt, and the lifting devices are used to lift the dough output conveyor belt to the height of the first dough conveyor belt or the height of the second dough conveyor belt.

[0019] In a preferred embodiment of the present invention, at least one side of the noodle block conveyor belt is further provided with a noodle block pushing wheel.

[0020] In a preferred embodiment of the utility model, a powder sprinkling box is further provided on the upper surface of the dough pressing shell, and the powder sprinkling box is used to spray flour onto the dough sheet output conveyor belt.

[0021] In a preferred embodiment of the utility model, the sheet-closing mechanism includes a sheet-closing shell located on the base, a pair of sheet-closing rollers and a pair of forming rollers are arranged in the sheet-closing shell, and the pair of forming rollers are arranged below the pair of sheet-closing rollers.

[0022] In a preferred embodiment of the present invention, a second support frame is further provided on the sheet-combining shell, and one end of the first dough sheet conveyor belt and the second dough sheet conveyor belt are fixed to the first support frame, and the other end is fixed to the second support frame.

[0023] In a preferred embodiment of the utility model, a rolling roller and a cutting knife are sequentially provided on the formed dough sheet conveyor belt along its movement direction, the rolling roller is used to roll the formed dough sheet on the formed dough sheet conveyor belt into a long dough, and the cutting knife is used to cut the long dough into steamed bun blanks.

[0024] Compared with the prior art, the beneficial effects of the utility model are:

[0025] 1. The utility model provides a four-fold rolled square steamed bun production line combined machine. In this integrated forming machine, the forming dough sheet conveyor belt is arranged on the base, and the dough pressing mechanism and the sheet closing mechanism are arranged on both sides of the base; the dough block conveyor belt, the first dough sheet conveyor belt and the second dough sheet conveyor belt are arranged on the top of the base in sequence from bottom to top. When the four-fold rolled square steamed bun production line combined machine is working, the dough block is fed into the dough pressing mechanism by the dough block conveyor belt, and after being pressed into dough sheets, it is alternately conveyed to the sheet closing mechanism by the first dough sheet conveyor belt and the second dough sheet conveyor belt for sheet closing; then the formed dough sheets are output by the forming dough sheet conveyor belt, and the subsequent rolling and slitting processes are carried out to obtain the finished steamed bun blanks. The four-fold rolled square steamed bun production line combined machine has a compact structure, and the multi-layer design can make full use of the space, greatly reducing the floor space of the equipment. Compared with ordinary steamed bun forming equipment, the four-fold rolled square steamed bun production line combined machine of the utility model can save half of the floor space.

[0026] 2. The four-fold rolled square steamed bun production line combined machine provided by the utility model can complete multiple processes such as dough pressing, sheeting, forming, rolling, and slitting. It has high production efficiency and fast steamed bun forming speed, and can meet the needs of industrial production. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of a four-fold rolled square steamed bun production line combining machine according to an embodiment of the utility model;

[0028] Figure 2 for Figure 1 A structural schematic diagram of another perspective of the four-fold rolled square steamed bun production line combining machine;

[0029] Figure 3 for Figure 1 Structural diagram of the middle clamping mechanism;

[0030] Description of the numbers in the figure:

[0031] 100, base; 110, roller; 120, dough forming sheet conveyor belt; 130, first support frame;

[0032] 200, noodle pressing mechanism; 210, noodle pressing shell; 220, noodle block inlet; 230, noodle sheet outlet; 240, noodle sheet output conveyor belt; 250, noodle block pushing wheel; 260, powder sprinkling box; 270, lifting device;

[0033] 300, noodle block conveyor belt; 400, first noodle sheet conveyor belt; 500, second noodle sheet conveyor belt;

[0034] 600, sheet-closing mechanism; 610, sheet-closing housing; 620, sheet-closing roller; 630, forming roller; 640, dough sheet inlet; 650, formed dough sheet outlet; 660, second support frame;

[0035] 700. Control components. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0037] In the drawings, components with the same structure are indicated by the same numerical labels, and components with similar structures or functions are indicated by similar numerical labels. Directional terms mentioned in the present invention, such as up, down, front, back, left, right, inside, outside, upper surface, lower surface, side, top surface, bottom, front end, rear end, end, etc., are only directions in the drawings and are only used to explain and illustrate the present invention, but not to limit the scope of protection of the present invention.

[0038] In the drawings, components with the same structure are indicated by the same numerical reference numerals. When some components are described as being "on" another component, the component may be directly placed on the other component; there may also be an intermediate component on which the component is placed, and the intermediate component is placed on the other component. When a component is described as being "mounted to" or "connected to" another component, the two may be understood to be directly "mounted" or "connected", or one component may be indirectly "mounted to" or "connected to" another component through an intermediate component.

[0039] As described in the background technology, when making steamed buns, it is necessary to cut the kneaded dough into segments and knead it into shapes manually. However, manual steamed bun making is time-consuming and laborious, inefficient, and the weight of the dough used for each steamed bun is not accurately calculated manually. There are also a variety of steamed bun making devices on the market. Although they can replace manual steamed bun making, they still have many disadvantages. For example, in the mechanical processing of these steamed buns, the dough is often first kneaded by a dough mixer, then pressed, and finally entered into a molding machine for molding and a shaping machine for shaping to form a standard steamed bun blank. The steamed bun processing and molding process is complicated, occupies more machines, resulting in excessive floor space and more material consumption; and the production efficiency is low, the steamed bun molding speed is slow, and it cannot meet the needs of industrial production.

[0040] In view of the above-mentioned problems existing in the existing steamed bun forming equipment, the utility model provides an improved four-fold and rolled square steamed bun production line combined machine, which can complete the operations of pressing, combining, forming, rolling and slicing the dough blocks, and the whole equipment has a compact structure and occupies a small area.

[0041] like Figure 1-2 As shown, a four-fold rolled square steamed bun production line combined machine provided by an embodiment of the utility model includes a base 100, a dough pressing mechanism 200, a sheet combining mechanism 600, a dough block conveyor belt 300, a first dough sheet conveyor belt 400 and a second dough sheet conveyor belt 500. The base 100 is a rectangular platform, on which a forming dough sheet conveyor belt 120 is provided. A roller 110 can be provided on the lower side of the base 100 to facilitate the movement of the four-fold rolled square steamed bun production line combined machine.

[0042] The noodle pressing mechanism 200 is arranged at one end of the base 100, and is used to press the noodle block into a noodle sheet. The noodle pressing mechanism 200 is provided with a noodle block inlet 220 and a noodle sheet outlet 230. Specifically, the noodle pressing mechanism 200 includes a noodle pressing shell 210 located on the base 100, and a pair of noodle pressing rollers are arranged in the noodle pressing shell 210, and there is a certain gap between the noodle pressing rollers. The noodle pressing rollers can be driven by a motor or other driving mechanism to achieve relative rotation. After the noodle block is fed into the noodle block inlet 220, it passes through the gap between the noodle pressing rollers, and is pressed into a noodle sheet by the noodle pressing rollers, and then output through the noodle sheet outlet 230. In this embodiment, the noodle block inlet 220 is arranged at the lower side of the noodle sheet outlet 230, and the noodle block inlet 220 and the noodle sheet outlet 230 are both opened on the side of the noodle pressing shell 210 facing the forming noodle sheet conveyor belt 120.

[0043] The noodle block conveyor belt 300 is disposed above the dough sheet forming conveyor belt 120, and one end of the noodle block conveyor belt 300 is connected to the noodle block inlet 220 of the noodle pressing mechanism 200, so as to convey the noodle blocks to the noodle pressing mechanism 200. In some embodiments, the base 100 is provided with a pair of first support frames 130 located on both sides of the dough sheet forming conveyor belt 120, and the noodle block conveyor belt 300 is fixed above the base 100 through the pair of first support frames 130.

[0044] In some embodiments of the present invention, at least one side of the noodle block conveyor belt 300 is further provided with a noodle block pushing wheel 250, and the function of the noodle block pushing wheel 250 is to push the noodle blocks transported on the noodle block conveyor belt 300 to prevent the noodle blocks from slipping.

[0045] The first dough sheet conveyor belt 400 and the second dough sheet conveyor belt 500 are both arranged above the dough block conveyor belt 300, and the second dough sheet conveyor belt 500 is located above the first dough sheet conveyor belt 400. One end of the first dough sheet conveyor belt 400 is connected to the dough sheet outlet 230 of the dough pressing mechanism 200, and the other end is located above the dough sheet inlet 640 of the sheet-closing mechanism 600; one end of the second dough sheet conveyor belt 500 is located above the dough sheet outlet 230 of the dough pressing mechanism 200, and the other end is located above the dough sheet inlet 640 of the sheet-closing mechanism 600. The first dough sheet conveyor belt 400 and the second dough sheet conveyor belt 500 have the same function, both of which are to convey the dough sheets output by the dough pressing mechanism 200 to the sheet-closing mechanism 600.

[0046] In the utility model, the first dough sheet conveyor belt 400 and the second dough sheet conveyor belt 500 are respectively driven by a motor or other driving mechanism, and the first dough sheet conveyor belt 400 and the second dough sheet conveyor belt 500 are configured to move alternately, that is, first the first dough sheet conveyor belt 400 is started and the second dough sheet conveyor belt 500 is not started, at this time the dough sheet outputted from the dough sheet outlet 230 is sent to the first dough sheet conveyor belt 400, and is conveyed by the first dough sheet conveyor belt 400 to the sheet-closing mechanism 600 for pressing; then the first dough sheet conveyor belt 400 is stopped and the second dough sheet conveyor belt 500 is started, at this time the dough sheet outputted from the dough sheet outlet 230 is sent to the second dough sheet conveyor belt 500, and is conveyed by the second dough sheet conveyor belt 500 to the sheet-closing mechanism 600, and is joined with the tail end of the previous dough sheet; then, the second dough sheet conveyor belt 500 is stopped and the first dough sheet conveyor belt 400 is restarted, at this time the dough sheet outputted from the dough sheet outlet 230 is sent to the first dough sheet conveyor belt 400. Repeat the above steps to achieve continuous pressing and sheeting of the dough sheet.

[0047] It should be pointed out that the start and stop of the first dough sheet conveyor belt 400 and the second dough sheet conveyor belt 500 can be controlled by a program of a motor or other driving mechanism. The specific control program is a prior art and will not be elaborated herein in the utility model.

[0048] In some embodiments of the present invention, there is a certain distance between the first dough sheet conveyor belt 400, the second dough sheet conveyor belt 500 and the dough sheet outlet 230. In order to facilitate the conveyance of the dough sheets output from the dough sheet outlet 230 to the first dough sheet conveyor belt 400 and the second dough sheet conveyor belt 500, a dough sheet output conveyor belt 240 can be set at the dough sheet outlet 230 of the dough pressing mechanism 200.

[0049] Furthermore, since the dough sheet output conveyor belt 240 and the first dough sheet conveyor belt 400 and the second dough sheet conveyor belt 500 may be at different heights, in some embodiments, a lifting device 270 may be further provided on the dough sheet output conveyor belt 240, and the lifting device 270 may lift the dough sheet output conveyor belt 240 to the height of the first dough sheet conveyor belt 400 or the height of the second dough sheet conveyor belt 500, so as to facilitate the conveyance of the dough sheet to the first dough sheet conveyor belt 400 or the second dough sheet conveyor belt 500. The lifting device 270 includes but is not limited to an electric lifting mechanism, a pneumatic lifting mechanism, a hydraulic lifting mechanism, and a mechanical lifting mechanism.

[0050] The surface of the dough sheet output by the dough pressing mechanism 200 has a certain degree of stickiness, and is easy to stick to the dough sheet output conveyor belt 240 and affect the conveyance. Therefore, in some embodiments, a powder box 260 is further provided on the upper surface of the dough pressing shell 210, and the powder box 260 is located above the dough sheet output conveyor belt 240, and flour is contained in the powder box 260. During the operation of the dough sheet output conveyor belt 240, the powder box 260 can continuously spray flour onto the dough sheet output conveyor belt 240, thereby preventing the dough sheet output by the dough pressing mechanism 200 from sticking to the dough sheet output conveyor belt 240.

[0051] The sheet-closing mechanism 600 is disposed at the other end of the base 100 and is used to join two dough sheets into one. The sheet-closing mechanism 600 has a dough sheet outlet 650 at the bottom and a dough sheet inlet 640 at the top. The dough sheet outlet 650 is connected to one end of the dough sheet conveyor belt 120.

[0052] See also Figure 3In some embodiments of the utility model, the sheet-closing mechanism 600 includes a sheet-closing shell 610 located on the base 100, and a pair of sheet-closing rollers 620 and a pair of forming rollers 630 are arranged in the sheet-closing shell 610. The pair of sheet-closing rollers 620 are arranged horizontally opposite to each other, and can be driven by a motor or other driving mechanism to rotate relatively, and their function is to connect the two dough sheets end to end into one piece. The forming roller 630 is arranged below the sheet-closing roller 620, and the pair of forming rollers 630 are arranged vertically staggered, and the forming rollers 630 can also be driven by a motor or other driving mechanism to rotate relatively. The function of the forming roller 630 is to further press the dough sheet after the sheet-closing, and output the formed dough sheet. The rotation speed of the above-mentioned sheet-closing rollers 620 and the forming roller 630 can be adjusted by the program of the motor or other driving mechanism, and the specific adjustment program is not described in detail in the utility model.

[0053] In some embodiments of the present invention, a sensor is further provided on the dough sheet shell 610, and the sensor is used to monitor the dough sheets conveyed by the first dough sheet conveyor belt 400 and the second dough sheet conveyor belt 500. The information sensed by the sensor can be used to adjust the length of the joint between the two dough sheets.

[0054] In some embodiments of the utility model, a second support frame 660 is provided on the combining shell 610, one end of the first dough sheet conveyor belt 400 and the second dough sheet conveyor belt 500 is fixed on the first support frame 130, and the other end is fixed on the second support frame 660, so that the first dough sheet conveyor belt 400 and the second dough sheet conveyor belt 500 are stably supported above the base 100.

[0055] In the present invention, the dough sheet conveyor belt 120 is provided with a long dough forming device and a slitting device in sequence along its moving direction, wherein the long dough forming device can be divided into two forming devices, namely, a rolling device and a four-folding device, which functions to further prepare the dough sheet into a long dough by rolling or folding. In some embodiments, the rolling device is a rolling roller. The slitting device functions to cut the formed long dough into steamed bun blanks of uniform size.

[0056] In some embodiments of the present invention, a steamed bun blank unloading conveyor belt is further provided on one side of the base 100. The steamed bun blank unloading conveyor belt is arranged near the cutter and is used to discharge the cut steamed bun blanks.

[0057] The steamed bun forming machine of the utility model can also be provided with a control component 700, which generally includes a control panel and a display screen. The control panel is provided with a control knob, through which the entire device can be controlled with one key, and the display screen can monitor the working status of the entire device.

[0058] In summary, the four-fold rolled square steamed bun production line combined machine provided by the utility model has a compact structure, and the multi-layer design can make full use of the space, greatly reducing the floor space of the equipment. The overall length of ordinary assembly line steamed bun forming equipment is 12m to 14m, while the length of the four-fold rolled square steamed bun production line combined machine of the utility model is only 6m, which can save half of the floor space.

[0059] The above-described embodiments are only preferred embodiments for fully illustrating the present utility model, and the protection scope of the present utility model is not limited thereto. Equivalent substitutions or changes made by technicians in the technical field on the basis of the present utility model are all within the protection scope of the present utility model. The protection scope of the present utility model shall be subject to the claims.

Claims

1. A four-fold rolled square steamed bread production line combined machine, characterized in that: include: A base, wherein a dough forming sheet conveyor belt is provided on the base; A noodle pressing mechanism is provided at one end of the base and is used to press the noodle block into a noodle sheet; the noodle pressing mechanism has a noodle block inlet located at the lower side and a noodle sheet outlet located at the upper side; A sheet-closing mechanism is provided at the other end of the base and is used to join two dough sheets into one piece; the sheet-closing mechanism has a formed dough sheet outlet at the lower side and a dough sheet inlet at the upper side; the formed dough sheet outlet is butted against one end of the formed dough sheet conveyor belt; A noodle block conveyor belt is arranged above the formed noodle sheet conveyor belt, one end of which is connected to the noodle block entrance of the noodle pressing mechanism and is used to convey the noodle blocks to the noodle pressing mechanism; A first dough sheet conveyor belt is arranged above the dough block conveyor belt, one end of which is connected to the dough sheet outlet of the dough pressing mechanism, and the other end is located above the dough sheet inlet of the dough closing mechanism; as well as A second dough sheet conveyor belt is arranged above the first dough sheet conveyor belt, one end of which is located above the dough sheet outlet of the dough pressing mechanism, and the other end of which is located above the dough sheet inlet of the dough closing mechanism; The first dough sheet conveyor belt and the second dough sheet conveyor belt are configured to move alternately, so as to convey the dough sheets pressed by the dough pressing mechanism to the sheet closing mechanism, and realize the docking between the two dough sheets.

2. The four-fold rolled square steamed bread production line combined machine according to claim 1, characterized in that: The noodle pressing mechanism comprises a noodle pressing shell located on the base, wherein a pair of noodle pressing rollers are arranged in the noodle pressing shell; the noodle block inlet and the noodle sheet outlet are both arranged on the side of the noodle pressing shell facing the sheet closing mechanism.

3. The four-fold rolled square steamed bread production line combined machine according to claim 1, characterized in that: A pair of first support frames are provided on the base and are located on both sides of the formed dough sheet conveyor belt, and the dough block conveyor belt is fixed above the base through the pair of first support frames.

4. The four-fold rolled square steamed bread production line combined machine according to claim 2, characterized in that: A dough sheet output conveyor belt is also provided at the dough sheet outlet of the dough pressing mechanism, which is used to convey the dough sheets output from the dough sheet outlet to the first dough sheet conveyor belt or the second dough sheet conveyor belt.

5. The four-fold rolled square steamed bread production line combined machine according to claim 4, characterized in that: Lifting devices are also provided on both sides of the dough sheet output conveyor belt, and the lifting devices are used to lift the dough sheet output conveyor belt to the height of the first dough sheet conveyor belt or the height of the second dough sheet conveyor belt.

6. The four-fold rolled square steamed bread production line combined machine according to claim 1, characterized in that: At least one side of the noodle block conveyor belt is also provided with a noodle block pushing wheel.

7. The four-fold rolled square steamed bread production line combined machine according to claim 4, characterized in that: The upper surface of the dough pressing shell is also provided with a powder sprinkling box, and the powder sprinkling box is used for spraying flour onto the dough sheet output conveyor belt.

8. The four-fold rolled square steamed bread production line combined machine according to claim 3, characterized in that: The sheet-closing mechanism comprises a sheet-closing shell located on the base, wherein a pair of sheet-closing rollers and a pair of forming rollers are arranged in the sheet-closing shell, and the pair of forming rollers are arranged below the pair of sheet-closing rollers.

9. The four-fold rolled square steamed bread production line combined machine according to claim 8, characterized in that: A second support frame is also provided on the sheet-combining shell, and one end of the first sheet conveyor belt and the second sheet conveyor belt are fixed on the first support frame, and the other end is fixed on the second support frame.

10. The four-fold rolled square steamed bread production line combined machine according to claim 1, characterized in that: The dough sheet conveyor belt is provided with a rolling roller and a cutting knife in sequence along its moving direction. The rolling roller is used to roll the dough sheets on the dough sheet conveyor belt into long dough, and the cutting knife is used to cut the long dough into steamed bun blanks.

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