Livestock veterinarian dispensing feeding device

Abstract

The utility model relates to feeding device technical field, especially livestock and veterinary dispensing feeding device, including having in the mixed conveying box of the bottom of the collection tank for conveying the mixture, the collection tank top discharge is equipped with a plurality of groups for storing single livestock and veterinary dispensing pure material tank, the bottom of the collection tank integrally formed has the mixed conveying box for conveying the mixture, through the three -dimensional stirring structure of the guide frame in the mixing jar and multilayer mixing frame, cooperate second drive motor strong rotation, completely solve single -shaft blade mixing efficiency low, granular stratification problem, the ultrasonic rod passes through the high -frequency vibration and peels off the residual feed of bin wall, combines the sealing sleeve ring to the conveying hole design of the bottom of mixing jar, realizes the dead angle discharge without, the first auger of mixed conveying box and the second auger of feeding pipe two -stage delivery, cooperate electromagnetic control valve linkage, realize fully enclosed automatic feeding, dispense with frequent artificial cleaning, the spray head and cylinder drive can reciprocate along the guide groove, inject the cleaning fluid to the feeding pipe, realize pipeline self -cleaning.

Description

Technical Field

[0001] This utility model relates to the field of feeding device technology, and in particular to a feeding device for animal husbandry and veterinary medicine. Background Technology

[0002] Livestock and veterinary feed formulation is a systematic modern feeding solution. Its core is to achieve precise nutrition supply by scientifically proportioning energy raw materials (such as corn), proteins (such as soybean meal), vitamins, and additives. It integrates nutritional theory with automation technology, which can not only dynamically adjust the feed ratio to meet the needs of animals at different growth stages, but also ensure uniform mixing of nutrients through automated feeding equipment, ultimately achieving the goals of improving feed conversion rate and optimizing animal health management.

[0003] Traditional kitchen feeding devices use a drive conveyor mechanism to quantitatively transport different feeds from the storage bin to the weighing system, mix them, and then feed them into the trough. When stirring, the single-shaft stirring blades have low mixing efficiency, the pelleted feed is prone to stratification, and the feed residue in the conveying pipe and mixing bin is prone to mold growth, requiring frequent manual cleaning, which affects the overall conveying and feeding effect. Utility Model Content

[0004] To overcome the problems of low mixing efficiency of single-shaft mixing blades in feeding devices, easy stratification of pelleted feed, and easy mold growth of feed residue in conveying pipes and mixing chambers, which require frequent manual cleaning and affect the overall conveying and feeding effect, this utility model provides a feed dispensing device for animal husbandry and veterinary medicine.

[0005] The technical solution is as follows: A livestock and veterinary feed feeding device includes a collection box for mixing multiple feed ingredients, a mixing conveyor box located at the bottom of the collection box for conveying feed ingredients, a number of pure feed tanks for storing single livestock and veterinary feed ingredients are provided at the top of the collection box, a mixing conveyor box for conveying feed ingredients is integrally formed at the bottom of the collection box, a mixing tank for mixing feed ingredients is connected to one end of the mixing conveyor box, and a number of feeding pipes for multi-directional feed ingredient conveying are circumferentially connected to the bottom of the mixing tank.

[0006] Furthermore, a connecting cover is fastened to the top of the pure material tank, and a weighing pan is connected to the bottom of the pure material tank. Several sets of shock-absorbing springs are arranged circumferentially on the outer end of the weighing pan. Spring rubber dampers are installed inside the shock-absorbing springs. A weighing sensor is installed inside the weighing pan. An electromagnetic control valve is connected to the bottom of the weighing pan. A weighing conveyor plate is connected to the upper external end of the pure material tank, and a conveying channel is opened in the center of the weighing conveyor plate.

[0007] Furthermore, the pure material tank is covered with a waterproof sleeve, the weighing conveyor plate is equipped with a weighing sensor, the weighing sensor is electrically connected to a flashing light, the center of the connecting cover is equipped with a steering rod, and several sets of crushing racks are fixedly connected to the outside of the steering rod in a circumferential manner. One end of the steering rod is connected to a first drive motor, which drives the steering rod to rotate the crushing racks. The connecting cover is connected to a first liquid storage tank, the top of the first liquid storage tank is connected to a first filling pipe, and a disassembly sleeve is provided between the first liquid storage tank and the connecting cover.

[0008] Furthermore, a cover plate is fastened to the upper end of the mixing tank, and a sealing sleeve is connected to the bottom of the mixing tank. Several sets of conveying holes communicating with the feeding pipe are opened circumferentially on the outside of the sealing sleeve. A bottom cover is fixed to the center of the sealing sleeve. Several sets of ultrasonic rods are distributed on the bottom cover. A control module is connected to the bottom of the ultrasonic rods. A lithium battery pack is electrically connected to the outside of the control module. The control module includes an ultrasonic vibrator, an ultrasonic receiver, and a wireless module that are electrically connected to each other.

[0009] Furthermore, a steering wheel is connected to the center of the cover plate, a second drive motor is connected to the top of the steering wheel, several sets of guide frames are distributed at the bottom of the steering wheel, and several sets of mixing frames are fixed to the outside of the guide frames from bottom to top. The second drive motor drives the steering wheel to rotate the guide frames.

[0010] Furthermore, the mixing conveyor box is covered with an insulation sleeve that extends to the collection box. The collection box is fitted with a first connecting plate that carries the pure material tank. A transmission pipe connects the mixing conveyor box and the mixing tank. The mixing conveyor box is equipped with a first auger conveying module. One end of the first auger conveying module is connected to a third drive motor.

[0011] Furthermore, a second connecting plate is fitted at one end of the feeding pipe, and a second auger conveying module passes through the center of the second connecting plate. A fourth drive motor is connected to one end of the second auger conveying module. The end of the feeding pipe away from the mixing tank is connected to a feeding conveying pipe. A pressure plate is fixed to the top of the feeding pipe. A guide groove is opened in the center of the pressure plate, and a guide block is provided in the center of the guide groove.

[0012] Furthermore, a second liquid storage tank is fixed to the top of the guide block, and a second filling pipe is provided at the center of the top of the second liquid storage tank. A nozzle is connected to the center of the bottom of the guide block and the second liquid storage tank. Several sets of spray holes are distributed on the nozzle. A pressure module is provided inside the nozzle. A push rod is connected to the outside of the guide block. A cylinder is connected to the end of the push rod away from the guide block. The cylinder drives the push rod to move the guide block to slide along the guide groove.

[0013] The beneficial effects are: This utility model, through the three-dimensional stirring structure of the guide frame and multi-layer mixing frame inside the mixing tank, combined with the powerful rotation of the second drive motor, completely solves the problems of low mixing efficiency and particle stratification of single-shaft blades;

[0014] The ultrasonic rod uses high-frequency vibration to peel off residual feed from the bin wall. Combined with the circumferential conveying hole design of the sealing sleeve at the bottom of the mixing tank, it achieves discharge without dead corners. The first auger of the mixing conveying box and the second auger of the feeding pipe provide dual-stage conveying. With the linkage of the electromagnetic control valve, it achieves fully enclosed automated feeding, eliminating the need for frequent manual cleaning.

[0015] The nozzle and cylinder drive can move back and forth along the guide groove to spray cleaning fluid into the feeding pipe. Combined with the pressure module to control the spray intensity, the pipeline can be self-cleaned. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of the animal husbandry and veterinary feed dispensing device of this utility model.

[0017] Figure 2 This is a schematic diagram of the explosion of the pure material tank of this utility model;

[0018] Figure 3 This is a schematic diagram of the explosion of the mixing tank of this utility model;

[0019] Figure 4 This is a schematic diagram of the mixing conveyor box of this utility model;

[0020] Figure 5 This is a schematic diagram of the feeding tube of this utility model.

[0021] In the attached diagram, the following are the reference numerals: 1. Collection bin; 2. Pure material tank; 3. Mixing tank; 4. Mixing conveyor box; 5. Feeding pipe; 201. Connecting cover; 202. Weighing conveyor plate; 203. Waterproof sleeve; 204. Conveying channel; 205. Flashing light; 206. First drive motor; 207. First liquid storage tank; 208. First filling pipe; 209. Disassembly sleeve; 210. Steering rod; 211. Crushing frame; 212. Electromagnetic control valve; 213. Weighing pan; 214. Shock-absorbing spring; 301. Sealing sleeve; 302. Conveying hole; 303. Cover plate; 304. Second drive motor; 305. Bottom 306. Lithium battery pack; 307. Ultrasonic rod; 308. Guide frame; 309. Mixing frame; 310. Steering wheel; 401. First auger conveyor module; 402. Third drive motor; 403. Transmission pipe; 404. Insulation sleeve; 405. First connecting plate; 501. Second auger conveyor module; 502. Second connecting plate; 503. Fourth drive motor; 504. Feeding conveyor pipe; 505. Guide groove; 506. Pressure platform; 507. Nozzle; 508. Pressure module; 509. Cylinder; 510. Second liquid storage tank; 511. Second filling pipe; 512. Push rod. Detailed Implementation

[0022] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0023] In the process of large-scale and intensive development of modern animal husbandry, feed costs account for 60%-70% of the total breeding cost, and the accuracy of feed nutrition supply directly affects animal growth rate, disease resistance, and breeding efficiency. As the core link connecting feed nutrition science and breeding production, animal husbandry and veterinary feed formulation has the core goal of achieving "precision nutrition supply" through systematic formula design and automated feeding technology. That is, providing the optimal combination of energy (corn, wheat bran), protein (soybean meal, fish meal), vitamins (VA, VE), minerals (calcium, phosphorus), and functional additives (probiotics, enzyme preparations) at different growth stages (such as juvenile, fattening, and gestation periods), different physiological states (such as post-illness recovery and high-production periods), and different environmental conditions (such as high-temperature stress and cold climates). Traditional animal husbandry relies on manual experience for feed formulation, which leads to problems such as nutritional imbalance, serious waste, and high risks to animal health. In contrast, modern animal husbandry and veterinary feed formulation technology integrates nutritional theory, sensor technology, mechanical engineering, and intelligent control algorithms to construct a closed-loop system of "formula design - precise measurement - uniform mixing - intelligent feeding - effect feedback". The feed formulation and feeding device is the core execution unit, and its structural design and functional implementation directly determine the accuracy and efficiency of nutrient supply.

[0024] Artificial allocation stage (early 20th century - 1980s)

[0025] Early poultry farming was mainly done by small-scale family farms, and feed formulations relied on the farmers' experience. Raw materials such as corn, straw, and bran were manually weighed, mixed, and fed directly. At this stage, there was no specialized feed mixing equipment, and three core problems existed:

[0026] The nutritional ratio is crude: there is a lack of scientific understanding of the nutritional needs of animals at different growth stages. For example, piglets often suffer from diarrhea due to insufficient protein supply during weaning, and fatty liver is caused by excessive energy during fattening.

[0027] Poor mixing uniformity: Manual mixing relies on "tumbling" mixing, and pelleted feed (such as corn kernels) and powdered raw materials (such as bone meal) are prone to separation. The measured coefficient of variation (CV) of mixing uniformity exceeds 30%, which is far higher than the national standard requirement of less than 10%.

[0028] Irregular feeding: Feeding amount is judged by visual inspection, resulting in large fluctuations in animal feed intake and inconsistent growth rates.

[0029] The accuracy of ingredient metering is significantly affected by environmental factors.

[0030] Traditional load cells (such as resistance strain gauge load cells) are susceptible to the following factors:

[0031] Mechanical vibration: Vibration (frequency 10-50Hz) during the operation of the screw conveyor causes fluctuations in the weighing signal. When the measured vibration amplitude is 50μm, the measurement error can reach ±2%.

[0032] Temperature and humidity changes: For every 1% increase in feed moisture content, its bulk density changes by 0.8%-1.2%, while fluctuations in temperature and humidity within the storage silo (such as a summer temperature of 35℃ and a humidity of 75% RH) can lead to a deviation of more than 5% in the actual nutrient supply of the same formula;

[0033] Differences in particle flowability: Powdered raw materials (such as stone powder) are prone to arching and clogging the feed inlet, while the impact load (instantaneous impact force can reach 1.5 times the static weight) when granular raw materials (such as crushed corn) are fed causes the dynamic response of the weighing sensor to lag.

[0034] It is difficult to achieve both uniformity and efficiency in mixing.

[0035] The mixing process exhibits both "scale effects" and "kinematic contradictions":

[0036] Particle stratification problem: Raw materials with a particle size difference of more than 3 times (such as 4mm soybean meal particles and 0.1mm vitamin powder) form "concentric circle stratification" due to the difference in centrifugal force during single-shaft mixing. The large particles at the bottom aggregate, resulting in uneven distribution of trace elements.

[0037] Energy consumption versus efficiency conflict: Increasing the stirring speed (e.g., exceeding 200 r / min) can increase the mixing speed, but it will exacerbate particle breakage (e.g., corn germ damage rate increases by 20%) and reduce the nutritional value of feed; low stirring speed (<100 r / min) leads to prolonged mixing time (exceeding 15 minutes), and the residue rate on the tank wall is as high as 10% or more.

[0038] Liquid additive mixing defects: In traditional devices, when oils and vitamin solutions are added via top spraying, the droplets flow along the tank wall under gravity, forming localized agglomerations. Actual measurements show that the CV (volume variation) of the liquid component mixing uniformity exceeds 25%.

[0039] like Figure 1 - Figure 5 As shown, the livestock and veterinary feed feeding device includes a collection box 1 for mixing multiple feeds, a mixing conveyor box 4 located at the bottom of the collection box 1 for conveying feeds, a number of pure feed tanks 2 for storing single livestock and veterinary feeds at the top of the collection box 1, a mixing conveyor box 4 integrally formed at the bottom of the collection box 1 for conveying feeds, a mixing tank 3 for mixing feeds connected to one end of the mixing conveyor box 4, and a number of feeding pipes 5 for multi-directional feed conveying connected to the bottom of the mixing tank 3.

[0040] Please see Figure 2 - Figure 4 In this embodiment, a connecting cover 201 is fastened to the top of the pure material tank 2, and a weighing pan 213 is connected to the bottom of the pure material tank 2. Several sets of shock-absorbing springs 214 are arranged circumferentially around the outer end of the weighing pan 213. Spring rubber dampers are installed inside the shock-absorbing springs 214. A weighing sensor is installed inside the weighing pan 213. An electromagnetic control valve 212 is connected to the bottom of the weighing pan 213. A weighing conveyor plate 202 is connected to the upper exterior of the pure material tank 2. A conveying channel 204 is opened in the center of the weighing conveyor plate 202. A waterproof sleeve 203 is fitted over the pure material tank 2. An internal weighing sensor is provided, and an external flashing light 205 is electrically connected to the weighing sensor. A steering rod 210 is provided at the center of the connecting cover 201. Several sets of crushing racks 211 are fixedly connected to the outside of the steering rod 210 in a circumferential manner. One end of the steering rod 210 is connected to a first drive motor 206. The first drive motor 206 drives the steering rod 210 to rotate the crushing racks 211. A first liquid storage tank 207 is connected to the connecting cover 201. A first filling pipe 208 is connected to the top of the first liquid storage tank 207. A disassembly sleeve 209 is provided between the first liquid storage tank 207 and the connecting cover 201.

[0041] Please see Figure 3 - Figure 4 In this embodiment, a cover plate 303 is fastened to the upper end of the mixing tank 3, and a sealing sleeve 301 is connected to the bottom of the mixing tank 3. Several sets of conveying holes 302 communicating with the feeding pipe 5 are circumferentially opened on the outside of the sealing sleeve 301. A bottom cover 305 is fixedly connected to the center of the sealing sleeve 301. Several sets of ultrasonic rods 307 are distributed on the bottom cover 305. A control module is connected to the bottom of the ultrasonic rods 307. A lithium battery pack 306 is electrically connected to the outside of the control module. The control module includes an ultrasonic vibrator, an ultrasonic receiver and a wireless module that are electrically connected to each other. A steering wheel 310 is connected to the center of the cover plate 303. A second drive motor 304 is connected to the top of the steering wheel 310. Several sets of guide frames 308 are distributed at the bottom of the steering wheel 310. Several sets of mixing frames 309 are fixedly connected to the outside of the guide frames 308 from bottom to top. The second drive motor 304 drives the steering wheel 310 to rotate the guide frames 308.

[0042] Please see Figure 4 - Figure 5In this embodiment, the mixing conveyor box 4 is covered with a heat-insulating sleeve 404 extending to the collection box 1. A first connecting plate 405 for carrying the pure material tank 2 is fastened to the collection box 1. A transmission pipe 403 connects the mixing conveyor box 4 and the mixing tank 3. A first auger conveying module 401 is provided inside the mixing conveyor box 4. One end of the first auger conveying module 401 is connected to a third drive motor 402. A second connecting plate 502 is sleeved on one end of the feeding pipe 5. The second auger conveying module 501 passes through the center of the second connecting plate 502. A fourth drive motor 503 is connected to one end of the second auger conveying module 501. The end of the feeding pipe 5 away from the mixing tank 3 is connected to a feeding conveying pipe 5. 04. A pressure plate 506 is fixedly connected to the top of the feeding pipe 5. A guide groove 505 is opened in the center of the pressure plate 506. A guide block is provided in the center of the guide groove 505. A second liquid storage tank 510 is fixedly connected to the top of the guide block. A second filling pipe 511 is provided in the center of the top of the second liquid storage tank 510. A nozzle 507 is connected to the center of the bottom of the guide block and the second liquid storage tank 510. Several sets of spray holes are distributed on the nozzle 507. A pressure module 508 is provided inside the nozzle 507. A push rod 512 is connected to the outside of the guide block. A cylinder 509 is connected to the end of the push rod 512 away from the guide block. The cylinder 509 drives the push rod 512 to move the guide block to slide along the guide groove 505.

[0043] Each pure material tank 2 stores material independently. The first drive motor 206 drives the steering rod 210 and the crushing frame 211 to rotate (clockwise 30s + counterclockwise 20s alternating) to crush lumpy materials. At the same time, the weighing sensor (HBM PW6MC3) monitors the weight of the feed in the tank in real time. The electromagnetic control valve 212 opens, and the feed falls into the collection box 1 through the conveying channel 204. Liquid additives are injected into the first storage tank 207 from the first injection pipe 208. Different types of storage tanks (such as vitamin solution tanks and probiotic suspension tanks) can be quickly replaced by disassembly sleeve 209.

[0044] Feed enters the mixing and conveying box 4 from the collection box 1. The third drive motor 402 drives the first auger conveying module 401 to push the feed into the mixing tank 3. Then the second drive motor 304 starts, driving the guide frame 308 and the mixing frame 309 to rotate at high speed to achieve three-dimensional mixing. The guide frame 308 and the mixing frame 309 operate as follows: the bottom mixing frame 309 (tilt angle 45°) turns up the material at the bottom of the tank, and the upper mixing frame 309 (tilt angle 30°) forms a shear vortex. With the alternating stirring of 30s forward rotation + 20s reverse rotation, feed of different particle sizes (5-20mm) is evenly mixed. After the mixing is completed, the control module starts the ultrasonic rod 307 (T40-16, amplitude 5μm) to vibrate at a frequency of 35kHz for 10s to break the adhesion between the material and the tank wall. At the same time, the conveying hole 302 (diameter 20mm) of the sealing sleeve 301 is opened, and the mixed feed enters the feeding conveying pipe 504 through the feeding pipe 5 to prevent adhesion to the tank wall.

[0045] After mixing, the feed enters the circumferential feeding pipe 5 through the conveying hole 302 of the sealing sleeve 301. The fourth drive motor 503 drives the second auger conveying module 501 to push the feed to the feeding conveying pipe 504. After feeding, the cylinder 509 pushes the guide block, causing the nozzle 507 to move within the pipe and spray cleaning fluid. The pressure module 508 regulates the spray pressure to thoroughly rinse away any residue.

[0046] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A livestock and veterinary feed dispensing device, comprising a feed collection box (1) for mixing various feeds, characterized in that: It also includes a mixing conveyor box (4) located at the bottom of the collection box (1) for conveying feed. The top of the collection box (1) is equipped with several sets of pure feed tanks (2) for storing single animal husbandry and veterinary feed. The bottom of the collection box (1) is integrally formed with a mixing conveyor box (4) for conveying feed. One end of the mixing conveyor box (4) is connected to a mixing tank (3) for mixing feed. The bottom of the mixing tank (3) is circumferentially connected with several sets of multi-directional feed feeding pipes (5).

2. The livestock and veterinary feed dispensing device according to claim 1, characterized in that, A connecting cover (201) is fastened to the top of the pure material tank (2). A weighing pan (213) is connected to the bottom of the pure material tank (2). Several sets of shock-absorbing springs (214) are arranged in a circumferential manner on the outer end of the weighing pan (213). A spring rubber damper is provided inside the shock-absorbing spring (214). A weighing sensor is provided inside the weighing pan (213). An electromagnetic control valve (212) is connected to the bottom of the weighing pan (213). A weighing conveying plate (202) is connected to the upper external part of the pure material tank (2). A conveying channel (204) is opened in the center of the weighing conveying plate (202).

3. The livestock and veterinary feed dispensing device according to claim 2, characterized in that, The pure material tank (2) is covered with a waterproof sleeve (203). The weighing conveyor plate (202) is equipped with a weighing sensor inside. The weighing sensor is electrically connected to a flashing light (205). The center of the connecting cover (201) is provided with a steering rod (210). Several sets of crushing racks (211) are fixedly connected to the outside of the steering rod (210). One end of the steering rod (210) is connected to a first drive motor (206). The first drive motor (206) drives the steering rod (210) to rotate the crushing racks (211). The connecting cover (201) is connected to a first liquid storage tank (207). The top of the first liquid storage tank (207) is connected to a first filling pipe (208). A disassembly sleeve (209) is provided between the first liquid storage tank (207) and the connecting cover (201).

4. The livestock and veterinary feed dispensing device according to claim 1, characterized in that, The mixing tank (3) is fitted with a cover plate (303) at the top. The bottom of the mixing tank (3) is connected to a sealing sleeve (301). The sealing sleeve (301) is circumferentially provided with several sets of conveying holes (302) that communicate with the feeding tube (5). The center of the sealing sleeve (301) is fixedly connected to a bottom cover (305). Several sets of ultrasonic rods (307) are distributed on the bottom cover (305). The bottom of the ultrasonic rods (307) is connected to a control module. The control module is electrically connected to a lithium battery pack (306). The control module includes an ultrasonic vibrator, an ultrasonic receiver and a wireless module that are electrically connected to each other.

5. The livestock and veterinary feed dispensing device according to claim 4, characterized in that, The center of the cover plate (303) is connected to the steering wheel (310), the top of the steering wheel (310) is connected to the second drive motor (304), the bottom of the steering wheel (310) is provided with several sets of guide frames (308), and several sets of mixing frames (309) are fixed to the outside of the guide frames (308) from bottom to top. The second drive motor (304) drives the steering wheel (310) to rotate the guide frames (308).

6. The livestock and veterinary feed dispensing device according to claim 1, characterized in that, The mixing conveyor box (4) is covered with an insulation sleeve (404) extending to the collection box (1). The collection box (1) is fitted with a first connecting plate (405) that carries the pure material tank (2). The mixing conveyor box (4) and the mixing tank (3) are connected by a transmission pipe (403). The mixing conveyor box (4) is equipped with a first auger conveying module (401) inside. One end of the first auger conveying module (401) is connected to a third drive motor (402).

7. The livestock and veterinary feed dispensing device according to claim 1, characterized in that, A second connecting plate (502) is fitted at one end of the feeding pipe (5), and a second auger conveying module (501) passes through the center of the second connecting plate (502). A fourth drive motor (503) is connected to one end of the second auger conveying module (501). A feeding conveying pipe (504) is connected to the end of the feeding pipe (5) away from the mixing tank (3). A pressure plate (506) is fixed to the top of the feeding pipe (5). A guide groove (505) is opened in the center of the pressure plate (506), and a guide block is provided in the center of the guide groove (505).

8. The livestock and veterinary feed dispensing device according to claim 7, characterized in that, A second liquid storage tank (510) is fixedly connected to the top of the guide block. A second filling pipe (511) is provided at the center of the top of the second liquid storage tank (510). A nozzle (507) is connected to the center of the bottom of the guide block and the second liquid storage tank (510). Several sets of spray holes are distributed on the nozzle (507). A pressure module (508) is provided inside the nozzle (507). A push rod (512) is connected to the outside of the guide block. A cylinder (509) is connected to the end of the push rod (512) away from the guide block. The cylinder (509) drives the push rod (512) to drive the guide block to slide along the guide groove (505).

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