CN110353055A - A kind of novel tofu does automatic base production line - Google Patents

Abstract

The present invention relates to the technical field of bean product processing machinery, in particular to a new type of automatic billet-making production line for dried bean curd, which includes a conveying line and a squeezing line arranged side by side, and a PLC controller for controlling the conveying line and the squeezing line. There is a computer system, the front end of the conveying line is equipped with an adjustable lifting baffle, the tail end of the conveying line is connected with the press line through a three-axis grabbing robot, and the conveying line is driven by the first motor output shaft, the first conveying sprocket and the conveying chain , There are frame return devices on both sides of the conveying line; several press units arranged in sequence are arranged directly above the pressing line; the present invention replaces the traditional cylinder conveying with chain conveying, avoiding the instability and inertia of cylinder start-up, The stability and product quality are effectively improved; the end of the conveyor line uses a three-axis grabbing robot to replace the traditional equipment to push the stacked dried beans into the press, saving manual operation and avoiding the problem of traditional stacking.

Description

A new type of dried bean curd automatic billet production line

technical field

The invention relates to the technical field of bean product processing machinery, in particular to a new automatic bean curd bean curd production line.

Background technique

Dried bean curd is a kind of high-quality vegetable protein product that people like, rich in high-quality calcium, and it has been traditionally made by hand for a long time. In recent years, with the development of automation technology and mechanical technology, the automated bean drying line has high efficiency and stable product quality, and has gradually become a trend to replace manual production. However, there are still many problems in the transmission and pressing of the automatic bean drying line equipment currently on the market, such as the uneven thickness of the tofu concussion caused by the use of the cylinder, the magnetic control of the cylinder magnetic control to stop the machine when it touches the water, and the return frame occupies a large area and has a large vibration , stacked boards splashing the brain, the press is not pressed hard and heavy, resulting in air holes in dried beans, water retention and so on. In addition, the traditional cylinder transport destroys the uniformity of the thickness of the freshly laid bean curd when pushing and pulling the frame, and the magnetic ring and magnetic control often fail due to water mist, causing the entire line to stop.

Contents of the invention

The purpose of the present invention is to solve the shortcoming that exists in the prior art, and propose a kind of novel dried bean curd automatic billet production line.

In order to achieve the above object, the present invention adopts the following technical scheme: a new type of dried bean curd automatic billet production line, including a conveying line and a pressing line arranged side by side, and a PLC controller for controlling the conveying line and the squeezing line, the conveying A computer system is installed on the line, and an adjustable lifting baffle is provided at the front end of the conveying line. The tail end of the conveying line is connected with the pressing line through a three-axis grabbing robot. The conveying line passes through the output shaft of the first motor, Driven by the first conveyor sprocket and the conveyor chain, frame return devices are provided on both sides of the conveyor line; several press units arranged in sequence are arranged directly above the squeeze line, and the squeeze line is output by the second motor Shaft, second conveyor sprocket and conveyor chain plate drive.

Preferably, the frame return device includes a guide rail, and a frame return chain plate installed on the guide rail, the frame return chain plate is connected to the power reversing bridge through the driving sprocket, and the power reversing bridge is connected to the transmission line through the transmission gear The driven gear meshes.

Preferably, the three-axis grabbing robot includes a bracket, a front and rear movement assembly mounted on the bracket, an up and down movement assembly, and a double-rod cylinder for grasping; the front and rear movement assembly includes a third motor connected to the third motor The third rotating shaft; the up and down movement assembly includes a fourth motor and a fourth rotating shaft connected to the fourth motor.

Preferably, several of the press groups are all cylinder groups, and the several of the press groups are 4-8 groups; Support rods are arranged directly below the press unit.

Preferably, several double lifting lugs are arranged at intervals on the conveying chain.

Preferably, the bracket is provided with a first limit pin, a second limit pin and a photoelectric switch, and a magnetic switch is installed on the top of the double-rod cylinder.

The present invention has the following beneficial effects:

1. The chain conveying is used to replace the traditional cylinder conveying, which avoids the instability and inertia of cylinder start-up, and effectively improves the stability and product quality.

2. Improve the overall production capacity of the bean dry line through the design of the automatic lower plate device based on the characteristics of the chain transmission.

3. Install the frame return device on the side of the conveyor line, the power comes from the conveyor line, and the motion of the frame return line is consistent with the motion of the conveyor line. It only needs to connect the two powers without a complicated control system; and it occupies an area The space is small and does not affect the work of the operator; the frame return device has a simple structure, takes up little space, and has a long service life, which is convenient for the operator to place and take the frame, and optimizes the way of returning the dried beans to the frame.

4. A three-axis grabbing robot is used at the end of the conveying line to replace traditional equipment to push out and pull the stacked dried beans into the press, saving manual operation and avoiding the problem of traditional stacking.

5. After stacking with the three-axis grabbing robot, it is directly sent to 4-8 groups of air and hydraulic presses for step-by-step pressing. Step-by-step pressing under light to heavy pressure can obtain no pores, high yield per unit area, and good water holding capacity. , high-quality dried tofu billets such as elasticity and toughness.

Description of drawings

Fig. 1 is the top view of the present invention;

Fig. 2 is the front view of invention;

Fig. 3 is the top view of conveying line and pressing line;

Fig. 4 is the front view of adjustable lifting baffle;

Fig. 5 is a front view of the frame returning device;

Fig. 6 is a top view of a three-axis grabbing robot;

Fig. 7 is the front view of three-axis grasping robot;

Figure 8 is a front view of the press unit.

In the figure: 1 computer system, 2 conveyor line, 3 three-axis grabbing robot, 4 press line, 5 press unit, 6 conveyor chain, 7 conveyor chain plate, 8 first conveyor sprocket, 9 second conveyor sprocket, 10 First motor output shaft, 11 Second motor output shaft, 12 Adjustable lifting baffle, 13 Guide rail, 14 Back frame chain plate, 15 Driving sprocket, 16 Power reversing bridge, 17 Transmission gear, 18 Driven gear, 19 the third motor, 20 the third shaft, 21 the fourth motor, 22 the fourth shaft, 23 the first cylinder group, 24 the second cylinder group, 25 the third cylinder group, 26 the fourth cylinder group, 27 bracket, 28 double rods Cylinder, 29 support rods.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them.

Referring to Fig. 1-Fig. 8, a new type of dried bean curd automatic slab production line, including conveying line 2 and pressing line 4 arranged side by side, and PLC controller for controlling conveying line 2 and pressing line 4, set on conveying line 2 There is a computer system 1, the front end of the conveying line 2 is provided with an adjustable lifting baffle 12, the tail end of the conveying line 2 is connected with the pressing line 4 through the three-axis grasping robot 3, and the conveying line 4 passes through the first motor output shaft 10, the second A conveying sprocket 8 and a conveying chain 6 are driven, and frame return devices are provided on both sides of the conveying line 2; several press units 5 arranged in sequence are arranged directly above the pressing line 4, and the pressing line 4 passes through the output shaft of the second motor 11. The transmission of the second conveying sprocket 9 and the conveying chain plate 7.

In this embodiment, the electric drive of the conveying line 2 and the pressing line 4 is equipped with a frequency converter, which can realize smooth start and stop, and is controlled by a PLC controller; wherein, the conveying line 2 adopts a conveying chain 6 scrapers and positioning, conveying The line 4 adopts the conveying chain plate 7 to realize the dual function of conveying and pressing; the conveying line 2 is driven by the first motor output shaft 10, the first conveying sprocket 8 and the conveying chain 6 installed on the frame; The second motor output shaft 11, the second conveying sprocket 9 and the conveying chain plate 7 are driven; the three-axis grabbing robot 3 is used to grab the board from the conveying line to the pressing line and stack it. In addition, a station is set at the front end of the conveying line 2 for stacking empty boards, and an adjustable lifting baffle 12 is set at the station, and the adjustable lifting baffle 12 can be used to adjust the height of boards of different thicknesses.

Specifically, the frame return device includes a guide rail 13, a frame return chain plate 14 installed on the guide rail 13, the frame return chain plate 14 is connected to the power reversing bridge 16 through the driving sprocket 15, and the power reversing bridge 16 is connected to the power reversing bridge through the transmission gear 17. The driven gear 18 of the conveyor line 2 meshes.

In this embodiment, the return frame chain plate 14 transmits power through the driving sprocket 15 and is connected to the power reversing bridge 16. The power reversing bridge 16 is connected to the driven gear 18 of the transmission line 2 through the transmission gear 17 to transmit the reverse direction. power.

Specifically, the three-axis grabbing robot 3 includes a support 27, a front and rear movement assembly mounted on the support 27, an up and down movement assembly, and a double-rod cylinder 28 for grasping; the front and rear movement assembly includes the third motor 19, and the third motor 19 connected to the third shaft 20; the up and down movement assembly includes a fourth motor 21 and a fourth shaft 22 connected to the fourth motor 21.

In this embodiment, the three-axis grasping robot at the tail end of the conveying line adopts a rack and pinion structure for horizontal and vertical movement; the third motor 19 drives the third rotating shaft 20 to drive the gear to cooperate with the rack to realize the front and rear axis movement; The four motors 21 drive the fourth rotating shaft 22 to drive the gears to cooperate with the rack to realize the vertical axis movement; a pair of double-rod cylinders 28 are used to realize the movement of the grab shaft; wherein, the third motor 19 and the fourth motor 21 are equipped with frequency converters.

Concretely, several compressor groups 5 are all cylinder groups, and several compressor groups 5 are 4-8 groups; 5 are provided with support rods 29 directly below.

In this embodiment, in the compressor unit 5, the first cylinder group 23, the second cylinder group 24, the third cylinder group 25, and the fourth cylinder group 26 are used to design 100 cylinders, 160 cylinders, 200 cylinders and 250 cylinders respectively , the press increases from small to large, from light to heavy, and gradually increases the pressure to press. The air control cabinet is equipped with 6 pressure regulating valves for 6 groups of cylinders. The upper end of each cylinder has a rising position magnetic switch, which can be set in the controller according to requirements. The number of cylinders used.

Specifically, several double lifting lugs are arranged at intervals on the conveying chain 6 .

In this embodiment, double lifting lugs are provided for every other station length during design.

Specifically, the bracket 27 is respectively provided with a first limit pin, a second limit pin and a photoelectric switch, and a magnetic switch is installed on the top of the double-rod cylinder 28 .

In this embodiment, the bracket defines the vertical movement trajectory through eight guide wheels, and the three-axis grasping robot adopts the first limit pin installed on the side of the bracket as a limit indicator, and a photoelectric switch is installed on the outside of the bracket to detect the stacked plates Height and horizontal sides are equipped with second limit pins on the inner side of the rack as a limit indicator, magnetic switches are installed on the double-rod cylinder as a grasping position indicator, and the front and rear movements are arranged by drag chains.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (6)

1. A new type of dried bean curd automatic billet production line, comprising a conveyor line (2) and a squeeze line (4) arranged side by side, and a PLC controller for controlling the conveyor line (2) and the squeeze line (4), its characteristics In that, the conveying line (2) is provided with a computer system (1), the front end of the conveying line (2) is provided with an adjustable lifting baffle (12), and the tail end of the conveying line (2) passes through three The shaft grabbing robot (3) is connected with the pressing line (4), and the conveying line (4) is driven by the first motor output shaft (10), the first conveying sprocket (8) and the conveying chain (6), the There are frame return devices on both sides of the conveying line (2); several press units (5) arranged in sequence are arranged directly above the squeezing line (4), and the squeezing line (4) is output by the second motor The shaft (11), the second conveying sprocket (9) and the conveying chain plate (7) drive. 2. A new type of dried bean curd automatic billet production line according to claim 1, characterized in that, the frame return device comprises a guide rail (13), a frame return chain plate (14) installed on the guide rail (13), The return frame chain plate (14) is connected to the power reversing bridge (16) through the driving sprocket (15), and the power reversing bridge (16) is driven by the transmission gear (17) and the transmission line (2). The gear (18) engages. 3. A new type of dried bean curd automatic billet production line according to claim 1, characterized in that the three-axis grabbing robot (3) includes a bracket (27), a front and rear movement assembly mounted on the bracket (27) , an up and down movement assembly, and a double-rod cylinder (28) that realizes grabbing; the front and rear movement assembly includes a third motor (19), a third rotating shaft (20) connected with the third motor (19); the up and down movement The assembly includes a fourth motor (21) and a fourth rotating shaft (22) connected with the fourth motor (21). 4. A kind of new-type dried bean curd automatic billet production line according to claim 1, is characterized in that, several described press units (5) are all cylinder groups, and several described press units (5) are 4 - 8 groups; and several of the press units (5) are arranged in ascending order, from small to large, and from light to heavy, and each set of press units (5) is provided with a support rod (29) directly below. 5. A new type of dried bean curd automatic billet production line according to claim 1, characterized in that several double lifting lugs are arranged at intervals on the conveying chain (6). 6. A new type of dried bean curd automatic billet production line according to claim 3, characterized in that, the support (27) is respectively provided with a first limit pin, a second limit pin and a photoelectric switch, the Magnetic switch is installed on the top of double rod cylinder (28).