Fruit and vegetable laser peeling equipment

Abstract

The utility model discloses fruit and vegetable laser peeling equipment which comprises a laser generating mechanism, a laser galvanometer mechanism, a fruit and vegetable detecting mechanism, a fruit and vegetable conveying mechanism and a fruit and vegetable overturning mechanism, and the CO2 laser generating mechanism comprises a CO2 laser tube with the power of 600W, a water cooling device, a laser high-voltage power source and a laser power controller. The equipment can generate infrared laser with controllable power; the laser galvanometer mechanism comprises an X-axis galvanometer motor, a Y-axis galvanometer motor, an X-axis reflector, a Y-axis reflector and a focus lens, the function of the device is to detect the contours, surface damage and surface features (such as potato bud eyes) of fruits and vegetables, the image processing technology is adopted, the contours, surface defects and features of thin-skin ellipsoidal fruits and vegetables such as bell peppers, apples, potatoes, peaches and onions are recognized, and the quality of the fruits and vegetables is improved. And then a laser processing technology is applied to accurately remove fruit and vegetable peels and surface defects, so that the peeling loss is remarkably reduced, and the waste of raw materials is reduced, thereby improving the profit of fruit and vegetable processed products.

Description

Technical Field

[0001] The utility model relates to the field of agricultural product processing, in particular to equipment suitable for accurate laser peeling and surface defect removal of elliptical fruits and vegetables. Background Art

[0002] How to accurately remove surface defects of fruits and vegetables and reduce the loss of peeling has always been a bottleneck problem in the field of deep processing of fruits and vegetables. At present, the industry usually uses high-temperature steam instantaneous treatment or mechanical cutting to remove the skin of fruits and vegetables, but these two methods have a high peeling loss rate and cannot achieve fine processing of the surface of fruits and vegetables. For example, mechanical damage, a small amount of bacterial infection and special surface features (such as buds) still need to be removed manually, which is time-consuming and labor-intensive, and will also increase the production cost of enterprises. For this reason, we propose a fruit and vegetable laser peeling equipment. Utility Model Content

[0003] The purpose of the utility model is to solve the problem that the peeling loss rate of fruit and vegetable peeling by high-temperature steam instantaneous treatment or mechanical cutting is high, and the fine treatment of the surface of fruits and vegetables cannot be achieved. For example, mechanical damage, a small amount of bacterial infection and special surface features (such as bud eyes) need to be removed, and manual treatment is still required, which is time-consuming and labor-intensive, and will increase the production cost of the enterprise. The utility model provides a fruit and vegetable laser peeling device.

[0004] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0005] A fruit and vegetable laser peeling device comprises a frame, a fruit and vegetable transmission mechanism is arranged at the lower end of one side of the frame, and a fruit and vegetable defect detection mechanism is arranged at the front side of the frame, the fruit and vegetable defect detection mechanism is arranged corresponding to the upper center position of the fruit and vegetable transmission mechanism, a laser generating mechanism and a laser galvanometer mechanism are fixedly connected to the upper end of the frame, a vertical outlet is arranged at the lower end of the laser galvanometer mechanism, and the vertical outlet is arranged toward the upper center position of the fruit and vegetable transmission mechanism, a laser incident port is arranged on one side of the laser galvanometer mechanism, and the laser generating mechanism is arranged on one side of the laser incident port, and the output end of the laser generating mechanism is arranged toward the laser incident port of the laser galvanometer mechanism, and a fruit and vegetable turning mechanism is arranged on the inner top wall of the frame, and the fruit and vegetable turning mechanism is arranged corresponding to the laser galvanometer mechanism and is arranged directly below the laser galvanometer mechanism.

[0006] Furthermore, the laser generating mechanism includes a CO2 laser tube, a high-voltage laser power supply, a water cooler, and a CO2 laser tube bracket. The CO2 laser tube bracket is fixed on a frame, the CO2 laser tube is fixed on the CO2 laser tube bracket, and the laser emitting end of the CO2 laser tube is arranged toward the laser incident port on the laser galvanometer mechanism. The high-voltage laser power supply and the main controller are both fixed on the frame, the water cooler is arranged on one side of the frame, and the output water cooling jacket of the water cooler is sleeved on the outer wall of the CO2 laser tube, and the high-voltage laser power supply and the CO2 laser tube are electrically connected.

[0007] Furthermore, the laser galvanometer mechanism includes a focusing lens group, an X-axis laser galvanometer, an X-axis laser galvanometer deflection motor, a Y-axis laser galvanometer, and a Y-axis laser galvanometer deflection motor. The focusing lens group is fixed on a frame, and the focusing lens group is arranged close to the laser generating mechanism. The X-axis laser galvanometer deflection motor and the Y-axis laser galvanometer deflection motor are fixed on a square frame, and the square frame is fixedly installed on the frame. The X-axis laser galvanometer deflection motor and the Y-axis laser galvanometer deflection motor are respectively fixed to the ends of the X-axis laser galvanometer deflection motor and the Y-axis laser galvanometer deflection motor. The X-axis laser galvanometer and the Y-axis laser galvanometer are both composed of silicon-based CO2 laser reflectors.

[0008] Furthermore, the focusing lens group includes a linear motor, a focusing convex lens, a focusing concave lens and a lens guide rail. The linear motor, the focusing convex lens and the lens guide rail are fixedly installed in the housing of the focusing lens group. The focusing concave lens is slidably connected to the lens guide rail, and a linear motor is provided at the power input end of the lens guide rail.

[0009] The fruit and vegetable defect detection mechanism includes a binocular camera and an illumination LED, wherein the illumination LED is installed on both sides of the binocular camera, and the binocular camera is fixed on a frame and is placed at an angle of 45 degrees to the frame crossbeam.

[0010] Furthermore, the fruit and vegetable transmission mechanism includes a conveyor belt, a closed-loop DC motor with an encoder, a conveyor belt bracket, a loading box and a conveyor belt partition. The conveyor belt bracket is fixed at the bottom of one side of the frame, and the loading box is arranged on the front side of the conveyor belt bracket. The conveyor belt is installed in the conveyor belt bracket through the driving roller, and a plurality of conveyor belt partitions are evenly arranged on the outside of the conveyor belt. The closed-loop DC motor with an encoder is fixedly installed on the outside of the conveyor belt bracket, and the output shaft of the closed-loop DC motor with an encoder passes through the conveyor belt bracket and is transmission-connected to the driving roller of the conveyor belt.

[0011] Furthermore, the fruit and vegetable turning mechanism includes an electric lifting guide rail, which is fixedly connected to the inner top wall of the frame, and a lifting slide is arranged on the front side of the frame, and opening and closing clamping arms are installed at both ends of the front side of the lifting slide in a mirror-symmetrical manner, and an electric telescopic rod is installed between the middle parts of the inner walls of the two opening and closing clamping arms, and a rotating motor is fixedly connected to the bottom of the opposite side of the two opening and closing clamping arms, and a triangular clamping claw is fixedly connected inwardly to the output shaft of the rotating motor.

[0012] Furthermore, the device also includes a main controller, which is electrically connected to the electrical equipment in the laser generating mechanism, the laser galvanometer mechanism, the fruit and vegetable defect detection mechanism, the fruit and vegetable transmission mechanism and the fruit and vegetable turning mechanism.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. The utility model utilizes the high precision and high consistency of laser processing technology. Compared with the traditional peeling method, it effectively reduces the loss rate in the process of peeling fruits and vegetables and improves the profit level of the fruit and vegetable processing industry. At the same time, the utility model can also remove defects on fruits and vegetables while peeling, and no waste is generated during the laser processing process, which reduces the waste of raw materials and has the characteristics of environmental protection and environmental friendliness. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a fruit and vegetable laser peeling device of the utility model;

[0016] Figure 2 yes Figure 1 The schematic diagram of the laser generating mechanism structure shown in ;

[0017] Figure 3 yes Figure 1 Schematic diagram of the laser galvanometer mechanism structure;

[0018] Figure 4 yes Figure 1 Schematic diagram of the structure of the fruit and vegetable defect detection mechanism;

[0019] Figure 5 yes Figure 3 Schematic diagram of the structure of the middle focusing lens group;

[0020] Figure 6 yes Figure 1 Schematic diagram of the fruit and vegetable transmission mechanism;

[0021] Figure 7 yes Figure 1 Schematic diagram of the fruit and vegetable turning mechanism;

[0022] Figure numerals: 1. laser generating mechanism; 2. laser galvanometer mechanism; 3. fruit and vegetable defect detection mechanism; 4. fruit and vegetable transmission mechanism; 5. fruit and vegetable turning mechanism; 6. rack; 11. CO2 laser tube; 12. high voltage laser power supply; 13. master controller; 14. water cooler; 15. CO2 laser tube bracket; 21. focusing lens group; 22. X-axis laser galvanometer; 23. X-axis laser galvanometer deflection motor; 24. Y-axis laser galvanometer; 25. Y-axis laser galvanometer deflection motor; 31. binocular camera; 32. white light LED; 41. conveyor belt; 42. closed-loop DC motor with encoder; 43. conveyor belt bracket; 44. loading box; 45. conveyor belt partition; 211. linear motor; 212. focusing convex lens; 213. focusing concave lens; 214. lens guide; 51. triangular clamp; 52. rotating motor; 53. lifting motor; 54. opening and closing motor. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model.

[0024] See also Figure 1 - Figure 7 , this utility model provides please refer to Figure 1 The utility model proposes a fruit and vegetable laser peeling device, whose structure mainly includes five parts: a laser generating mechanism 1, a laser galvanometer mechanism 2, a fruit and vegetable defect detection mechanism 3, a fruit and vegetable transmission mechanism 4, and a fruit and vegetable turning mechanism 5. The working process between the five parts is as follows: the fruits and vegetables are stored in a loading box 44, and leave the loading box 44 driven by a conveyor belt 41 and a conveyor belt partition 45, and enter the processing area of ​​the laser galvanometer mechanism 2. At this time, the fruit and vegetable defect detection mechanism 3 starts to work, detects the surface shape and defect type of the fruits and vegetables and their position information, and then transmits the information to the laser galvanometer mechanism 2. The laser galvanometer mechanism 2 generates a peeling strategy and controls the laser generating mechanism 1 and the laser galvanometer mechanism 2 at the same time to complete the single-sided fruit and vegetable peeling and defect removal operation. Then, the fruit and vegetable turning mechanism 5 turns the fruits and vegetables over, and repeats the above peeling operation. After completing the peeling task on the upper and lower sides of the fruits and vegetables, the fruits and vegetables are sent to the discharge port via the fruit and vegetable transmission mechanism 4. In the present invention, the controllers of each branch are physically integrated into the master controller 13, and the control actions described above are logical control relationships rather than separate physical controllers.

[0025] See also Figure 2The overall structure of the laser generating mechanism 1 is as follows: the laser generating mechanism 1 includes a CO2 laser tube 11, a high-voltage laser power supply 12, a master controller 13, a water cooler 14, and a CO2 laser tube bracket 15, wherein the CO2 laser tube bracket 15 is fixed on a frame 6, and the CO2 laser tube 11 is fixed thereon. By adjusting the angle at which the CO2 laser tube bracket 15 is fixed on the frame 6, the angle at which the CO2 laser tube 11 emits parallel laser light can be changed, thereby ensuring that the laser is vertically incident on the laser galvanometer mechanism 2. At the same time, the high-voltage laser power supply 12, the master controller 13, and the water cooler 14 are respectively fixed at different positions on the frame 6, and there is no mechanical movement relationship between the various components in the laser generating mechanism 1.

[0026] See also Figure 2 The working principle and process of the laser generating mechanism 1 are as follows: the CO2 laser tube 11 is excited by high voltage, the CO2 and N2 mixed gas filled inside is ionized, and current is generated. The nitrogen molecules in the mixed gas in the CO2 laser tube 11 are excited due to the impact of electrons. At this time, the excited nitrogen molecules collide with the CO2 molecules, and the N2 molecules transfer their energy to the CO2 molecules. The CO2 molecules transition from low energy levels to high energy levels to form a particle number inversion and emit lasers. Based on the above principles, the working process of the laser generating mechanism 1 designed by the utility model is as follows: first, the main controller 13 receives the real-time laser power demand information from the laser galvanometer mechanism 2 through the CAN communication interface, and outputs a PWM signal with a frequency of 2KHZ with a corresponding duty cycle to the high-voltage laser power supply 12. After receiving the PWM signal from the main controller 13, the high-voltage laser power supply 12 generates an excitation current of a corresponding size, prompting the CO2 laser tube 11 to generate a laser of a corresponding power.

[0027] See also Figure 3 The overall structure of the laser galvanometer mechanism 2 is as follows: the laser galvanometer mechanism 2 includes a focusing lens group 21, an X-axis laser galvanometer 22, an X-axis laser galvanometer deflection motor 23, a Y-axis laser galvanometer 24, a Y-axis laser galvanometer deflection motor 25, and a master controller 13, wherein the focusing lens group 21 is fixed to the frame 6, the X-axis laser galvanometer deflection motor 23 and the Y-axis laser galvanometer deflection motor 25 are fixed to a square frame, and the ends of the two motors are respectively fixed to the X-axis laser galvanometer 22 and the Y-axis laser galvanometer 24. Both the X-axis laser galvanometer 22 and the Y-axis laser galvanometer 24 are composed of silicon-based CO2 laser reflectors, which can fully reflect the laser incident on their surfaces like a mirror. The focusing lens group 21 itself does not perform any mechanical movement. The X-axis laser galvanometer 22 and the Y-axis laser galvanometer 24 perform deflection movement driven by the X-axis laser galvanometer deflection motor 23 and the Y-axis laser galvanometer deflection motor 25. Through such deflection movement, the laser vertically incident on the laser galvanometer mechanism 2 is converted into a direction-controllable laser.

[0028] See also Figure 5 The structure of the focusing lens group 21 is as follows: the focusing lens group 21 includes a linear motor 211, a focusing convex lens 212, a focusing concave lens 213 and a lens guide rail 214, wherein the linear motor 211, the focusing convex lens 212 and the lens guide rail 214 are fixed on the outer shell of the focusing lens group 21, and their positions are fixed. The focusing concave lens 213 is installed on the lens guide rail 214, and the focusing concave lens 213 performs translational motion along the lens guide rail 214 driven by the mover of the linear motor 211.

[0029] See also Figure 5 , the working principle of the focusing lens group 21 is as follows: the laser incident into the focusing lens group 21 is a parallel laser, which becomes a divergent laser with a fixed divergence angle after passing through the focusing concave lens 213, and this divergent laser becomes a laser in a convergent form after being focused by the focusing convex lens 212, wherein the laser power density at the convergence point is the highest, and keeping this point on the surface of fruits and vegetables will improve the peeling effect of fruits and vegetables. By adjusting the distance between the focusing concave lens 213 and the focusing convex lens 212, the distance between the laser convergence point and the focusing convex lens 212 can be adjusted, thereby achieving the focusing effect. Assuming that the distance between the two lenses is a mm, the focal length of the focusing concave lens 213 is f1 mm, the focal length of the focusing convex lens 212 is f2 mm, the diameter of the parallel laser is 10 mm, and the distance between the laser convergence point and the focusing convex lens 212 is c, then the relationship between c and a is as follows:

[0030]

[0031] This formula can be used to calculate the lens distance a required to adjust the laser to the appropriate focal length c, and then control the movement of the linear motor 211. The linear motor 211 is a high-speed motor with a grating encoder that can quickly adjust the distance between the two lenses to the required value.

[0032] See also Figure 5 The structure and working process of the fruit and vegetable defect detection mechanism 3 are as follows: the fruit and vegetable defect detection mechanism 3 includes a binocular camera 31 and an illumination LED 32, wherein the illumination LED 32 is installed on both sides of the binocular camera 31, and the binocular camera 31 is fixed on the frame 6, and is placed at a 45-degree angle with the crossbeam of the frame 6. After the fruits and vegetables are detected, the binocular camera 31 collects the images of the fruits and vegetables and transmits them to the main controller 13 through CAN communication. The main controller 13 calculates the surface shape of the fruits and vegetables and the hidden mechanical bumps, bacterial infections, buds and other defects, and then controls the laser galvanometer mechanism 2 and the laser generating mechanism 1 to jointly operate to peel and remove defects from the fruits and vegetables. The processed fruits and vegetables are sent out of the fruit and vegetable peeling device via the conveyor belt 41.

[0033] See also Figure 6The structure of the fruit and vegetable transmission mechanism 4 is as follows: the fruit and vegetable transmission mechanism 4 includes a transmission belt 41, a closed-loop DC motor 42 with an encoder, a transmission belt bracket 43, a feeding box 44, a transmission belt partition 45 and a master controller 13. The power source of the transmission belt 41 is a closed-loop DC motor 42 with an encoder, the DC motor 42 is controlled by the master controller 13, and the DC motor 42 is also powered by the master controller 13. Under the control of the master controller 13, the transmission belt 41 can run at a constant speed and start and stop immediately as needed. The fruits and vegetables are stored in the feeding box 44. The transmission belt 41 cooperates with the transmission belt partition 45 to take the fruits and vegetables away from the feeding box 44 and transmit them to the processing range of the laser galvanometer mechanism 2.

[0034] See also Figure 7 The structure of the fruit and vegetable turning mechanism 5 is as follows: the electric lifting guide rail 55 is fixedly connected to the inner top wall of the frame 6, and a lifting slide 53 is arranged on the front of the frame 6. The two ends of the front side of the lifting slide 53 are mirror-symmetrically rotated and installed with opening and closing clamping arms, and an electric telescopic rod 54 is installed between the middle of the inner wall of the two opening and closing clamping arms. The bottom of the two opening and closing clamping arms on the opposite side is fixedly connected with a rotating motor 52, and the output shaft of the rotating motor 52 is fixedly connected with a triangular clamping claw 51 facing inward. The process of turning over fruits and vegetables by this device is as follows: first, the lifting slide 53 raises the height of the triangular clamping claw 51, and at the same time, the electric telescopic rod 54 works to increase the spacing between the two symmetrical triangular clamping claws 51, then the lifting slide lowers the height of the clamping claw to the position where the fruits and vegetables are located, and the electric telescopic rod 54 reduces the spacing between the clamping claws to clamp the fruits and vegetables. At this time, the rotating motor 52 drives the tripod clamping claw 51 to rotate 180 degrees, and then the triangular clamping claw 51 will be separated from the fruits and vegetables according to a similar process to complete the process of turning over fruits and vegetables.

[0035] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A fruit and vegetable laser peeling device, characterized in that: The machine comprises a frame (6), a fruit and vegetable transmission mechanism (4) is arranged at the lower end of one side of the frame (6), and a fruit and vegetable defect detection mechanism (3) is arranged at the front side of the frame (6), and the fruit and vegetable defect detection mechanism (3) is arranged corresponding to the upper center position of the fruit and vegetable transmission mechanism (4); a laser generating mechanism (1) and a laser galvanometer mechanism (2) are fixedly connected to the upper end of the frame (6), a vertical emission port is arranged at the lower end of the laser galvanometer mechanism (2), and the vertical emission port is arranged toward the upper center position of the fruit and vegetable transmission mechanism (4); a laser incident port is arranged at one side of the laser galvanometer mechanism (2), and the laser generating mechanism (1) is arranged on the side of the laser incident port, and the output end of the laser generating mechanism (1) is arranged toward the laser incident port of the laser galvanometer mechanism (2); a fruit and vegetable turning mechanism (5) is arranged on the inner top wall of the frame (6), and the fruit and vegetable turning mechanism (5) is arranged corresponding to the laser galvanometer mechanism (2) directly below.

2. The fruit and vegetable laser peeling device according to claim 1, characterized in that: The laser generating mechanism (1) comprises a CO2 laser tube (11), a high-voltage laser power supply (12), a water cooler (14), and a CO2 laser tube bracket (15); the CO2 laser tube bracket (15) is fixed on a frame (6); the CO2 laser tube (11) is fixed on the CO2 laser tube bracket (15), and the laser emitting end of the CO2 laser tube (11) is arranged toward a laser incident port on a laser galvanometer mechanism (2); the high-voltage laser power supply (12) and a master controller (13) are both fixed on the frame (6); the water cooler (14) is arranged on one side of the frame (6), and an output water cooling jacket of the water cooler (14) is sleeved on an outer wall of the CO2 laser tube (11); and the high-voltage laser power supply (12) and the CO2 laser tube (11) are electrically connected.

3. The fruit and vegetable laser peeling device according to claim 2, characterized in that: The laser galvanometer mechanism (2) comprises a focusing lens group (21), an X-axis laser galvanometer (22), an X-axis laser galvanometer deflection motor (23), a Y-axis laser galvanometer (24), and a Y-axis laser galvanometer deflection motor (25); the focusing lens group (21) is fixed on a frame (6), and the focusing lens group (21) is arranged close to the laser generating mechanism (1); the X-axis laser galvanometer deflection motor (23) and the Y-axis laser galvanometer deflection motor (25) are fixed on a square frame, and the square frame is fixedly mounted on the frame (6); the ends of the X-axis laser galvanometer deflection motor (23) and the Y-axis laser galvanometer deflection motor (25) are respectively fixed to the X-axis laser galvanometer (22) and the Y-axis laser galvanometer (24); The A-axis laser galvanometer (22) and the Y-axis laser galvanometer (24) are both composed of silicon-based CO2 laser reflection mirrors.

4. The fruit and vegetable laser peeling device according to claim 3, characterized in that: The focusing lens group (21) comprises a linear motor (211), a focusing convex lens (212), a focusing concave lens (213) and a lens guide rail (214); the linear motor (211), the focusing convex lens (212) and the lens guide rail (214) are fixedly mounted in a housing of the focusing lens group (21); the focusing concave lens (213) is slidably connected to the lens guide rail (214); and a linear motor (211) is provided at a power input end of the lens guide rail (214).

5. The fruit and vegetable laser peeling device according to claim 4, characterized in that: The fruit and vegetable defect detection mechanism (3) comprises a binocular camera (31) and an illumination LED (32), wherein the illumination LED (32) is installed on both sides of the binocular camera (31), and the binocular camera (31) is fixed on a frame (6) and is placed at an angle of 45 degrees to a crossbeam of the frame.

6. The fruit and vegetable laser peeling device according to claim 5, characterized in that: The fruit and vegetable transmission mechanism (4) comprises a conveyor belt (41), a closed-loop DC motor (42) with an encoder, a conveyor belt bracket (43), a loading box (44) and a conveyor belt partition (45); the conveyor belt bracket (43) is fixed below one side of a frame (6), and the loading box (44) is arranged on the front side of the conveyor belt bracket (43); the conveyor belt (41) is installed in the conveyor belt bracket (43) by being stretched by a driving roller, and a plurality of conveyor belt partitions (45) are evenly arranged on the outside of the conveyor belt (41); the closed-loop DC motor (42) with an encoder is fixedly installed on the outside of the conveyor belt bracket (43), and the output shaft of the closed-loop DC motor (42) with an encoder passes through the conveyor belt bracket (43) and is transmission-connected to the driving roller of the conveyor belt (41).

7. The fruit and vegetable laser peeling device according to claim 6, characterized in that: The fruit and vegetable turning mechanism (5) comprises an electric lifting rail (55), the electric lifting rail (55) being fixedly connected to the inner top wall of the frame (6), and a lifting slide (53) being arranged on the front side of the frame (6), opening and closing clamping arms being mounted at both ends of the front side of the lifting slide (53) in a mirror-symmetrical manner, and an electric telescopic rod (54) being mounted between the middle parts of the inner walls of the two opening and closing clamping arms, and a rotating motor (52) being fixedly connected to the bottoms of the opposite sides of the two opening and closing clamping arms, and a triangular clamping claw (51) being fixedly connected inwardly to the output shaft of the rotating motor (52).

8. The fruit and vegetable laser peeling device according to claim 7, characterized in that: It also includes a master controller (13), which is electrically connected to the electrical equipment in the laser generating mechanism (1), the laser galvanometer mechanism (2), the fruit and vegetable defect detecting mechanism (3), the fruit and vegetable transmission mechanism (4), and the fruit and vegetable turning mechanism (5).

Images