Fish scaling and viscera removing machine

Abstract

The utility model relates to a fish scaling and viscera removing machine which comprises a weighing device, a conveying device, a belly opening device, a viscera cleaning device, a scaling device, a feeding port, a discharging port and a machine frame. The feeding port, the conveying device and the discharging port are sequentially arranged on the rack from front to back, the weighing device is arranged below the feeding port, the belly opening device, the viscera cleaning device and the scaling device are all arranged on the rack and correspond to the conveying device, and the belly opening device is located in front of the viscera cleaning device; and the conveying device is a clamping conveying belt and comprises a lower conveying belt for keeping the fish body horizontally conveyed and an upper conveying belt for downwards pressing the fish body. The whole structure of the equipment is optimized, a good scaling and viscera removing effect is achieved, the requirement for the cleanliness rate of scaling and viscera removing of enterprises is met, and the equipment belongs to the technical field of fish processing equipment.

Description

Technical Field

[0001] The utility model relates to fish processing equipment, in particular to a fish descaling and de-eviscerating machine. Background Art

[0002] At present, there are fish descaling machines and fish de-viscerating machines in China, and fish descaling and de-viscerating machines have begun to become popular. However, due to the lack of maturity of the equipment, most of the equipment on the market cannot achieve the descaling and de-visceration cleanliness rate required by processing companies.

[0003] The existing fish descaling and eviscerating machine comprises a conveying mechanism, a belly opening mechanism, an evisceration mechanism and a descaling mechanism.

[0004] As for the belly opening mechanism, a cutter is generally used to cut the fish belly. However, the position of the cutter is only adjusted before the equipment is put into operation. Once the equipment is put into operation, the position cannot be adjusted.

[0005] Regarding the descaling mechanism, CN115669710A discloses an evisceration and cleaning machine for fish processing and production, CN209436155U discloses an all-in-one descaling, belly-opening, evisceration and cleaning machine, and CN201029397Y discloses a fish processing machine for processing fish scales, viscera and black film. These devices are all integrated devices with descaling and evisceration functions. The former two use a scraper to descale and a hard-bristle brush to descale, which will cause greater damage to the fish meat, while the latter uses a high-pressure water de-evisceration method, but it only has a fixed spray angle and a fixed distance, lacks automatic adjustment, and cannot automatically adjust the optimal descaling angle according to the type and weight of the fish, which can easily cause damage to the fish body or incomplete removal of the scales.

[0006] Therefore, there is still a lot of room for optimization of fish processing equipment. Summary of the Invention

[0007] In view of the technical problems existing in the prior art, the purpose of the utility model is to provide a fish descaling and de-eviscerating machine, the overall structure of the equipment is optimized, and better descaling and de-eviscerating effects can be achieved.

[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0009] A fish descaling and eviscerating machine comprises a weighing device, a conveying device, a belly opening device, a viscera cleaning device, a descaling device, a feeding port, a discharging port, and a frame; the feeding port, the conveying device, and the discharging port are arranged on the frame in sequence from front to back, the weighing device is arranged below the feeding port, the belly opening device, the viscera cleaning device, and the descaling device are all arranged on the frame and corresponding to the conveying device, and the belly opening device is located in front of the viscera cleaning device; the conveying device is a clamping conveyor belt, comprising a lower conveyor belt for keeping the fish body horizontal during conveying and an upper conveyor belt for pressing the fish body downward.

[0010] As a preferred embodiment, in the conveying device, the lower conveyor belt is fixed on the frame, and the upper conveyor belt is floatingly connected to the frame through multiple sets of springs; both the lower conveyor belt and the upper conveyor belt are mesh conveyor belts; the lower conveyor belt is provided with a baffle that supports the back of the fish body during the conveying process.

[0011] As a preferred embodiment, the belly opening device includes a height measuring mechanism, a first gear and rack mechanism, a second gear and rack mechanism, a cutter mechanism, and a mounting frame; the height measuring mechanism and the cutter mechanism are both raised and lowered relative to the frame, the height measuring mechanism is fixed to the first rack of the first gear and rack mechanism, the cutter mechanism is fixed to the second rack of the second gear and rack mechanism, the first gear of the first gear and rack mechanism and the second gear of the second gear and rack mechanism are both installed on the mounting frame, the mounting frame is installed on the frame, the first gear and the second gear are engaged for transmission, and the first rack and the second rack are both vertically arranged; in the upper conveyor belt, a section of the conveyor belt located at the bottom is the fish body pressing section, and the lower end of the height measuring mechanism is against the upper end surface of the fish body pressing section.

[0012] As a preferred embodiment, the height measuring mechanism includes a height measuring rod and a pulley, the pulley is arranged below the height measuring rod, and the pulley presses the upper end surface of the fish body pressing section; the first rack is fixed on one side of the height measuring rod; the cutting mechanism includes a motor, a connecting tube, a transmission shaft, and a belly opening disc knife, the connecting tube is hollow inside, the transmission shaft is vertically arranged in the connecting tube, and a bearing is installed between the transmission shaft and the connecting tube, the motor is arranged at the upper end of the connecting tube, and the output shaft of the motor is connected to the upper end of the transmission shaft, the lower end of the transmission shaft extends out of the connecting tube and is connected to the horizontally arranged belly opening disc knife; the connecting tube is connected to the frame through a slide rail slider mechanism, and the second rack is fixed on one side of the connecting tube.

[0013] As a preference, the gear ratio of the first gear and the second gear is 1:2, so that the floating height of the cutter mechanism is half of the floating height of the height measuring mechanism.

[0014] As a preferred embodiment, the viscera cleaning device includes a vacuum viscera suction component; the vacuum viscera suction component is a structure with a pointed front and a flat back, and a vacuum viscera suction operation port and a water jet cleaning operation port are provided on the side of the vacuum viscera suction component close to the fish body, and the vacuum viscera suction operation port is located in front of the water jet cleaning operation port.

[0015] As a preferred embodiment, the descaling device is a high-pressure water descaling device; the number of the descaling devices is two groups, one group of descaling devices is set corresponding to the upper conveyor belt on the upper side of the fish body, and the other group of descaling devices is set corresponding to the lower conveyor belt on the lower side of the fish body.

[0016] As a preferred embodiment, the descaling device includes a double-rod swing frame, a lifting mechanism, a left and right push-pull mechanism, a high-pressure water descaling nozzle, and a nozzle tilt adjustment mechanism; the double-rod swing frame includes a fixed frame, a nozzle mounting plate, and two swing rods. The fixed frame and the nozzle mounting plate are connected through two swing rods to form a parallelogram mechanism, and the fixed frame is connected to the frame through a lifting mechanism; the left and right push-pull mechanism is connected to one of the swing rods; the high-pressure water descaling nozzle is connected to the nozzle mounting plate through the nozzle tilt adjustment mechanism.

[0017] As a preferred embodiment, the lifting mechanism includes a screw motor, a screw slider, and a screw motor frame. The screw motor frame is fixedly connected to the frame, and the screw motor is installed on the screw motor frame. The screw motor and the screw slider cooperate to drive the screw slider to rise and fall, and the screw slider is connected to the fixed frame to drive the fixed frame to rise and fall; the nozzle tilt adjustment mechanism includes a tilt adjustment motor and a tilt adjustment motor bracket. The tilt adjustment motor is installed on the nozzle mounting plate through the tilt adjustment motor bracket.

[0018] As a preferred embodiment, the left and right push-pull mechanism includes left and right push-pull motors, an eccentric disc, a vertical rod, an eccentric transmission rod, and a push-pull rod; the left and right push-pull motors are relatively fixed to the frame, and the output shafts of the left and right push-pull motors are arranged vertically downward, and the lower ends are connected to the horizontally arranged eccentric disc, and a vertical rod is arranged at the lower end edge of the eccentric disc; the push-pull rod is vertically fixed on the upper side of one of the swing rods; fisheye components are arranged at both ends of the eccentric transmission rod, one of the fisheye components is rotatably connected to the vertical rod, and the other fisheye component is sleeved on the push-pull rod and rotatably connected to the push-pull rod, and can slide up and down relative to the push-pull rod.

[0019] The principle of this utility model is to design a fish descaling and evisceration machine that uses a processing flow of "weighing - high-pressure water descaling - disc knife opening - vacuum evisceration - jet cleaning" to achieve integrated fish descaling and evisceration. Specifically, a self-centering opening device is designed based on the thickness of the fish, allowing for precise centering of the opening for fish of any thickness; a visceral cleaning mechanism that integrates vacuum evisceration and jet cleaning is designed to improve the integration of the equipment; in addition, an automatic adjustment algorithm for the optimal descaling angle using high-pressure water is used to calculate the required adjustment angle of the high-pressure water descaling nozzle at any time based on the type and weight parameters of the fish being processed, combined with the conveyor belt speed of the conveyor device, to ensure that the optimal descaling angle is always maintained, achieving the best descaling effect.

[0020] The utility model has the following advantages:

[0021] 1. Design a descaling and eviscerating equipment that includes a weighing device, a conveying device, a belly opening device, an viscera cleaning device, and a scale removal device. The overall structure of the equipment is optimized to achieve better descaling and eviscerating effects, meeting the company's descaling and eviscerating cleanliness requirements.

[0022] 2. The design of a floating conveying device not only ensures that the fish body is transported from front to back, but also provides support for the structural optimization of the belly opening device and scale removal device.

[0023] 3. The belly opening device can adjust the height of the belly opening disc knife according to the thickness of the fish body to achieve precise belly opening.

[0024] 4. Design a transmission structure consisting of a first gear rack mechanism and a second gear rack mechanism, and set a fixed transmission ratio to achieve precise opening of the belly.

[0025] 5. The height measurement mechanism adopts pulley to ensure smooth operation of the equipment.

[0026] 6. The internal organs cleaning device is designed to be integrated to improve the integration of the whole machine.

[0027] 7. The spatial position and swing angle of the high-pressure water descaling nozzle of the descaling device are adjustable, so as to always maintain the best descaling angle and ensure the descaling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a front view of a fish descaling and eviscerating machine.

[0029] Figure 2 yes Figure 1 sectional view of .

[0030] Figure 3 This is a schematic diagram of the principle of a fish descaling and eviscerating machine from a top-down view.

[0031] Figure 4 It is a three-dimensional diagram of the belly opening device.

[0032] Figure 5 It is a front view of the belly opening device.

[0033] Figure 6 It is a side view of the abdominal opening device.

[0034] Figure 7 It is a three-dimensional diagram of an viscera cleaning device.

[0035] Figure 8 It is a three-dimensional diagram of a descaling device.

[0036] Figure 9 It is a top view of the descaling device.

[0037] Figure 10 This is the process flow chart of the fish descaling and eviscerating machine.

[0038] Figure 11 It is a working principle diagram of the descaling device.

[0039] Among them, 1 is a weighing device, 2 is a conveying device, 3 is a belly opening device, 4 is an viscera cleaning device, 5 is a scale removal device, 6 is a feeding port, 7 is a discharging port, and 8 is a frame.

[0040] 21 is the upper conveyor belt, 22 is the lower conveyor belt, 23 is the spring, and 24 is the baffle.

[0041] 31 is a height measuring rod, 32 is a pulley, 33 is a first rack, 34 is a first gear, 35 is a second gear, 36 is a second rack, 37 is a motor, 38 is a connecting tube, 39 is a transmission shaft, and 310 is a belly-opening disc knife.

[0042] 41 is the vacuum suction internal organs component, 42 is the vacuum suction internal organs operation port, and 43 is the water jet cleaning operation port.

[0043] 51 is a fixed frame, 52 is a nozzle mounting plate, 53 is a swing rod, 54 is a screw motor, 55 is a screw slider, 56 is a screw motor frame, 57 is an eccentric disc, 58 is a vertical rod, 59 is an eccentric transmission rod, 510 is a push-pull rod, 511 is a fisheye component, 512 is a tilt adjustment motor, 513 is a tilt adjustment motor bracket, and 514 is a high-pressure water descaling nozzle. DETAILED DESCRIPTION

[0044] The present invention will be further described in detail below with reference to specific implementation methods.

[0045] A fish descaling and eviscerating machine comprises a weighing device, a conveying device, a belly opening device, a viscera cleaning device, a descaling device, a feeding port, a discharging port, and a frame; the feeding port, the conveying device, and the discharging port are arranged on the frame in sequence from front to back, the weighing device is arranged below the feeding port, the belly opening device, the viscera cleaning device, and the descaling device are all arranged on the frame and corresponding to the conveying device, and the belly opening device is located in front of the viscera cleaning device; the conveying device is a clamping conveyor belt, comprising a lower conveyor belt for keeping the fish body horizontal during conveying and an upper conveyor belt for pressing the fish body downward.

[0046] In the conveying device, the lower conveyor belt is fixed to the frame, while the upper conveyor belt is floatingly connected to the frame via multiple sets of springs. Both the lower and upper conveyor belts are mesh belts. The lower conveyor belt is equipped with a baffle that supports the back of the fish during conveyance. The baffle is fixed to the lower conveyor belt and moves with the lower conveyor belt. The clamping conveyor belt is mainly used to clamp the processed fish for conveyance. The mesh belt conveyor belt allows the high-pressure water for descaling to act directly on the surface of the processed fish. The upper conveyor belt adopts a floating connection structure and is pressed down by springs. Depending on the thickness of the fish being processed, it can float up and down autonomously to avoid squeezing the fish or insufficient clamping force causing the fish to jam during conveyance.

[0047] The belly opening device includes a height measuring mechanism, a first gear rack mechanism, a second gear rack mechanism, a cutter mechanism, and a mounting frame; the height measuring mechanism and the cutter mechanism are both raised and lowered relative to the frame, the height measuring mechanism is fixed to the first rack of the first gear rack mechanism, the cutter mechanism is fixed to the second rack of the second gear rack mechanism, the first gear of the first gear rack mechanism and the second gear of the second gear rack mechanism are both installed on the mounting frame, the mounting frame is installed on the frame, the first gear and the second gear are engaged for transmission, and the first rack and the second rack are both vertically arranged; in the upper conveyor belt, a section of the conveyor belt located at the bottom is the fish body pressing section, and the lower end of the height measuring mechanism is against the upper end surface of the fish body pressing section.

[0048] The height measuring mechanism includes a height measuring rod and a pulley. The pulley is arranged below the height measuring rod. The pulley presses the upper end surface of the pressing section of the conveyor belt on the upper part of the fish body and changes with the height of the pressing section of the fish body. The first rack is fixed on one side of the height measuring rod. The cutting mechanism includes a motor, a connecting tube, a transmission shaft, and a belly-opening disc knife. The connecting tube is hollow inside. The transmission shaft is vertically arranged in the connecting tube. A bearing is installed between the transmission shaft and the connecting tube. The motor is arranged at the upper end of the connecting tube, and the output shaft of the motor is connected to the upper end of the transmission shaft. The lower end of the transmission shaft extends out of the connecting tube and connects to the horizontally arranged belly-opening disc knife. The connecting tube is connected to the frame through a linear slide slider mechanism. The linear slide is fixed to the frame, the slider is fixed to the side of the connecting tube, and the second rack is fixed to one side of the connecting tube. The connecting tube can only move up and down. Among them, the belly-opening disc knife extends from the side between the upper and lower conveyor belts to process the belly of the passing fish body.

[0049] The gear ratio between the first and second gears is 1:2, resulting in the floating height of the cutter mechanism being half that of the height-measuring mechanism. This allows the belly-opening device to autonomously adjust its height as the upper conveyor belt rises and falls, ensuring the belly-opening disc is always centered over the fish being processed.

[0050] The visceral cleaning device includes a vacuum visceral suction unit. The unit is pointed at the front and flat at the back. The pointed tip facilitates insertion of the vacuum visceral suction unit into the fish's belly after it is opened. The overall structure also acts as a support for the fish's belly after opening. The unit has a vacuum visceral suction port and a water jet cleaning port on the side closest to the fish. The vacuum visceral suction port is located in front of the water jet cleaning port, enabling visceral removal and rinsing of residues. The vacuum visceral suction unit is fixed to a frame and connected to the vacuum suction device and water jet device.

[0051] The descaling device is a high-pressure water descaling device, mainly used for descaling fish. There are two sets of descaling devices, one for the upper side of the fish corresponding to the upper conveyor belt, and one for the lower side of the fish corresponding to the lower conveyor belt. These two sets of descaling devices can perform high-pressure water descaling operations on both sides of the fish.

[0052] The descaling device includes a double-rod swing frame, a lifting mechanism, a left and right push-pull mechanism, a high-pressure water descaling nozzle, and a nozzle inclination adjustment mechanism; the double-rod swing frame includes a fixed frame, a nozzle mounting plate, and two swing rods. The fixed frame and the nozzle mounting plate are connected through two swing rods to form a parallelogram mechanism, and the fixed frame is connected to the frame through a lifting mechanism; the left and right push-pull mechanism is connected to one of the swing rods; the high-pressure water descaling nozzle is connected to the nozzle mounting plate through the nozzle inclination adjustment mechanism to realize the change of the spray angle of the high-pressure water descaling nozzle.

[0053] The lifting mechanism includes a screw motor, a screw slider, and a screw motor frame. The screw motor frame is fixedly connected to the frame, and the screw motor is installed on the screw motor frame. The screw motor and the screw slider cooperate to drive the screw slider to rise and fall, and the screw slider is connected to the fixed frame to drive the fixed frame to rise and fall; the nozzle tilt adjustment mechanism includes a tilt adjustment motor and a tilt adjustment motor bracket. The tilt adjustment motor is installed on the nozzle mounting plate through the tilt adjustment motor bracket.

[0054] The left and right push-pull mechanism includes left and right push-pull motors, an eccentric disc, a vertical rod, an eccentric transmission rod, and a push-pull rod; the left and right push-pull motors are relatively fixed to the frame, and the output shafts of the left and right push-pull motors are arranged vertically downward, and the lower ends are connected to the horizontally arranged eccentric disc, and a vertical rod is arranged at the lower end edge of the eccentric disc; the push-pull rod is vertically fixed on the upper side of one of the swing rods; fisheye components are arranged at both ends of the eccentric transmission rod, one of the fisheye components is rotatably connected to the vertical rod, and the other fisheye component is sleeved on the push-pull rod and rotatably connected to the push-pull rod, and can slide up and down relative to the push-pull rod.

[0055] A fish descaling and de-eviscerating method using a fish descaling and de-eviscerating machine comprises the following steps:

[0056] (1) The fish enters the feed port and is weighed by a weighing device.

[0057] (2) The fish body is placed flat on the conveyor, with its back against the baffle of the lower conveyor belt, and is clamped and conveyed by the upper and lower conveyor belts. During the conveying process, the upper and lower sides of the fish body are descaled by the descaling device, and the belly of the fish body is cut open by the belly opening device and the internal organs are removed by the internal organs cleaning device;

[0058] During descaling, the angle that needs to be adjusted at any time by the type and weight parameters of the fish material being processed, combined with the conveying speed of the conveying device, is calculated to ensure that the optimal descaling angle is always maintained and the best descaling effect is achieved.

[0059] During evisceration, the belly opening device, which centers itself according to the thickness of the fish body, can accurately center the belly of fish of any thickness, and the internal organs are cleaned by the evisceration cleaning device which combines vacuum evisceration and jet cleaning.

[0060] (3) The fish body after descaling and evisceration is sent out from the discharge port.

[0061] The above embodiments are preferred implementation methods of the present invention, but the implementation methods of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be considered as equivalent replacement methods and are included in the scope of protection of the present invention.

Claims

1. A fish descaling and eviscerating machine, characterized by: It includes a weighing device, a conveying device, a belly opening device, an viscera cleaning device, a descaling device, a feeding port, a discharging port, and a frame; the feeding port, the conveying device, and the discharging port are arranged on the frame in sequence from front to back, the weighing device is arranged below the feeding port, the belly opening device, the viscera cleaning device, and the descaling device are all arranged on the frame and corresponding to the conveying device, and the belly opening device is located in front of the viscera cleaning device; the conveying device is a clamping conveyor belt, including a lower conveyor belt that keeps the fish body horizontal during transportation and an upper conveyor belt that presses the fish body downward.

2. A fish descaling and eviscerating machine according to claim 1, characterized in that: In the conveying device, the lower conveyor belt is fixed on the frame, and the upper conveyor belt is floatingly connected to the frame through multiple sets of springs; both the lower conveyor belt and the upper conveyor belt are mesh conveyor belts; the lower conveyor belt is provided with a baffle that supports the back of the fish during the conveying process.

3. The fish descaling and eviscerating machine according to claim 1, characterized in that: The belly opening device includes a height measuring mechanism, a first gear rack mechanism, a second gear rack mechanism, a cutter mechanism, and a mounting frame; the height measuring mechanism and the cutter mechanism are both raised and lowered relative to the frame, the height measuring mechanism is fixed to the first rack of the first gear rack mechanism, the cutter mechanism is fixed to the second rack of the second gear rack mechanism, the first gear of the first gear rack mechanism and the second gear of the second gear rack mechanism are both mounted on the mounting frame, the mounting frame is mounted on the frame, the first gear and the second gear are meshed for transmission, and the first rack and the second rack are both vertically arranged; In the upper conveyor belt, a section of the conveyor belt located at the bottom is a fish body pressing section, and the lower end of the height measuring mechanism is pressed against the upper end surface of the fish body pressing section.

4. A fish descaling and eviscerating machine according to claim 3, characterized in that: The height measuring mechanism includes a height measuring rod and a pulley, wherein the pulley is arranged below the height measuring rod and presses the upper end surface of the fish body pressing section; the first rack is fixed to one side of the height measuring rod; The cutter mechanism includes a motor, a connecting tube, a transmission shaft, and a belly-cutting disc knife. The connecting tube is hollow inside, the transmission shaft is vertically arranged in the connecting tube, and a bearing is installed between the transmission shaft and the connecting tube. The motor is arranged at the upper end of the connecting tube, and the output shaft of the motor is connected to the upper end of the transmission shaft. The lower end of the transmission shaft extends out of the connecting tube and is connected to the horizontally arranged belly-cutting disc knife; the connecting tube is connected to the frame through a slide rail slider mechanism, and the second rack is fixed on one side of the connecting tube.

5. The fish descaling and eviscerating machine according to claim 3, characterized in that: The gear ratio of the first gear and the second gear is 1:2, so that the flying height of the cutter mechanism is half of the flying height of the height measuring mechanism.

6. The fish descaling and eviscerating machine according to claim 1, characterized in that: The viscera cleaning device includes a vacuum viscera suction component; the vacuum viscera suction component is a structure with a pointed front and a flat back. A vacuum viscera suction operation port and a water jet cleaning operation port are provided on the side of the vacuum viscera suction component close to the fish body. The vacuum viscera suction operation port is located in front of the water jet cleaning operation port.

7. The fish descaling and eviscerating machine according to claim 1, characterized in that: The descaling device is a high-pressure water descaling device; there are two groups of descaling devices, one group of descaling devices is set on the upper side of the fish body corresponding to the upper conveyor belt, and the other group of descaling devices is set on the lower side of the fish body corresponding to the lower conveyor belt.

8. A fish descaling and eviscerating machine according to claim 7, characterized in that: The descaling device includes a double-rod swing frame, a lifting mechanism, a left and right push-pull mechanism, a high-pressure water descaling nozzle, and a nozzle inclination adjustment mechanism; the double-rod swing frame includes a fixed frame, a nozzle mounting plate, and two swing rods. The fixed frame and the nozzle mounting plate are connected through two swing rods to form a parallelogram mechanism. The fixed frame is connected to the frame through a lifting mechanism; the left and right push-pull mechanism is connected to one of the swing rods; the high-pressure water descaling nozzle is connected to the nozzle mounting plate through the nozzle inclination adjustment mechanism.

9. A fish descaling and eviscerating machine according to claim 8, characterized in that: The lifting mechanism includes a screw motor, a screw slider, and a screw motor frame. The screw motor frame is fixedly connected to the frame. The screw motor is installed on the screw motor frame. The screw motor cooperates with the screw slider to drive the screw slider to move up and down. The screw slider is connected to the fixed frame to drive the fixed frame to move up and down. The nozzle tilt adjustment mechanism includes a tilt adjustment motor and a tilt adjustment motor bracket. The tilt adjustment motor is mounted on the nozzle mounting plate through the tilt adjustment motor bracket.

10. The fish descaling and eviscerating machine according to claim 8, characterized in that: The left and right push-pull mechanism includes left and right push-pull motors, an eccentric disc, a vertical rod, an eccentric transmission rod, and a push-pull rod; the left and right push-pull motors are relatively fixed to the frame, and the output shafts of the left and right push-pull motors are arranged vertically downward, and the lower ends are connected to the horizontally arranged eccentric disc, and a vertical rod is arranged at the lower end edge of the eccentric disc; the push-pull rod is vertically fixed on the upper side of one of the swing rods; fisheye components are arranged at both ends of the eccentric transmission rod, one of the fisheye components is rotatably connected to the vertical rod, and the other fisheye component is sleeved on the push-pull rod and rotatably connected to the push-pull rod, and can slide up and down relative to the push-pull rod.

Images