520 results about "Mechanical design" patented technology

An electrical propulsion system comprises an inverter, an electrical motor assembly, an assembly, and a rotor position sensor. The inverter comprises a printed circuit board assembly (PCBA). The electrical motor assembly comprises a stator and a rotor. The assembly is configured to rotate a propeller and comprises a moving component and a stationary component. The rotor position sensor comprises at least one sensor coupled to the PCBA, and a magnet located on the moving component. The at least one sensor is configured to detect a magnetic field of the magnet through the stationary component.

The invention provides construction waste and slag mixed crushing and powder brick making equipment, and relates to the field of construction waste resource utilization. The equipment takes an innovative crushing and brick making process as a core, and efficient conversion of construction waste and slag is realized through efficient mechanical design and an intelligent control system. The equipment mainly comprises the following key components: a collision seat and a rolling seat for preliminary crushing, a connecting rod and a rotating seat are arranged in the collision seat and the rolling seat, and the lower side wall is rotationally connected with a conical crushing roller; the internal output end of the supporting inner frame is fixedly connected with the rotating base, and the upper side wall of the supporting inner frame is connected with the rotating shaft and the throwing frame; a supporting inner cavity is formed in the adjusting sleeve on the outer side wall of the rolling base. Through multi-stage crushing and intelligent control, the problems that in the prior art, the crushing efficiency is low, particles are not uniform, and the automation degree is low are effectively solved, an efficient and environment-friendly solution is provided for resource utilization of construction waste and furnace slag, and industrial technical progress is promoted.

The invention discloses a precision clamp device for machining special-shaped workpieces in mechanical design, and relates to the technical field of mechanical manufacturing, the precision clamp device comprises a base main body, a reference bottom plate, a plurality of rotating shafts and corresponding elastic clamping blocks, the reference bottom plate is arranged on the base main body, and positioning slots are formed for the rotating shafts to be rotatably mounted; the rotating shafts can independently rotate and drive the elastic clamping blocks to deflect to adapt to the irregular surface of the special-shaped workpiece, the rotating shafts comprise rotating blocks matched with the inserting grooves and adjusting sliding grooves extending along the shaft length, and the rotating shafts are evenly distributed on the circumference of the reference bottom plate; an elastic clamping block is connected with a transmission screw and an adjusting nut, a linear sliding block is arranged to be matched with an adjusting sliding groove, a self-adaptive contact is arranged on the side, facing the clamping center, of the elastic clamping block, the contact is provided with an elastic protection contact end cover, and a stress sensing connecting rod and an elastic buffering spring are installed in the contact. A movable rod penetrates through the base body, one end of the movable rod is connected with a control handle, the other end of the movable rod is connected with a self-adaptive pressing plate, the movable rod is sleeved with a reset spring, the pressing plate is provided with a profiling abutting block, and the clamping stability is improved.

A bathroom lock structure is provided, which includes an outdoor handle and an indoor handle. The indoor handle is provided with a knob with a spiral groove, a deblocking button in the indoor handle can be slid to cause a column on the deblocking button to be clamped in the spiral groove, a safety rod located in a first square hole within in the knob is driven to rotate. A locking cam in a shielding cover on the outdoor handle is driven to rotate by a rotation of the safety rod, thereby achieving locking or unlocking function. This bathroom lock structure achieves reliable locking and unlocking functions through exquisite mechanical design, thereby improving flexibility and convenience of use. The state of the lock can be observed through a display hole on the outdoor handle, allowing a user to clearly understand a current state of the lock.

The utility model discloses an accessory, relates to the technical field of AVG forklifts, and aims to solve the problems that in the prior art, related clamping accessories or other machines are adopted by the AVG forklifts, the design is complex, a vehicle body is greatly influenced, the structural weight of the whole vehicle and the structure of the accessories are influenced, and meanwhile application scenes are easily limited. The AVG forklift body comprises a main support, two plug pins are fixedly connected to one side of the main support, first electromagnets are arranged on the upper surfaces of the two plug pins, second electromagnets are arranged at the ends, close to the main support, of the plug pins, and the first electromagnets and the second electromagnets are installed in a submerged mode; the AVG forklift body comprises a driving main machine, a traveling system used for traveling, a hydraulic system used for lifting and an electric power system used for supplying power are arranged in the driving main machine, a radar range finder is arranged below the driving main machine, and an anti-collision head is arranged at one end of each pin.

The invention discloses an AI processing method and system for long-term memory of mechanical design knowledge, and the method comprises the steps: carrying out the semantic analysis and feature extraction of heterogeneous knowledge, such as parameterization formulas, engineering charts, technological processes and design principles, in the field of mechanical design through a multi-agent collaborative learning system; and establishing a multi-dimensional modular knowledge base and context-based Prompt strategy coupling mechanism. The method solves the problems of low efficiency, insufficient analysis accuracy, limited innovation support capability and the like in the existing mechanical design knowledge processing technology, and particularly solves the technical problems of high calculation complexity, inaccuracy in reasoning, poor adaptability and the like when multiple types of design knowledge are processed. Through the implementation of the method, the processing efficiency of the design knowledge and the design automation level are remarkably improved, the technical threshold of a designer is reduced, the design period is shortened, efficient analysis, accurate matching and innovative application of the mechanical design knowledge are achieved, and powerful support is provided for intelligent development of mechanical design.

The invention provides a hydraulic closed-loop tilling depth control system based on multi-sensor fusion in order to solve the problems that traditional tilling depth control is low in precision, poor in stability and the like. The system collects data through an inclination angle sensor, a displacement sensor, a posture sensor and the like, and after fusion processing, a hydraulic cylinder drives a parallel four-bar mechanism to adjust the tilling depth of the subsoiler. The system has three innovations: firstly, a dynamic model is constructed by using multi-source sensor cooperation and sliding mode variable structure control, the anti-interference capability is improved by combining a control strategy, and accurate tilling depth control is dynamically realized according to soil conditions; 2, a parallel four-bar mechanism is mechanically designed to be combined with hydraulic drive, terrain interference is eliminated by utilizing mechanism characteristics, and the control precision and unbalance loading resistance are enhanced; and thirdly, a bidirectional hydraulic lock and a manual-electric dual-mode oil way are adopted for hydraulic pressure, so that reliable tilling depth control and continuous operation are guaranteed. The three innovations are fused, and a high-precision, strong-stability and ultra-reliable tilling depth control solution is provided for saline-alkali soil agriculture.

The invention relates to a lithium battery mower with an automatic obstacle crossing structure and an obstacle crossing method thereof.The lithium battery mower comprises a fixed rack, the fixed rack is provided with a crawler device used for driving the fixed rack to move forwards, the front end of the fixed rack is provided with a movable rack, and the movable rack is rotationally provided with a first universal wheel; a cutting mechanism used for mowing is arranged on the movable rack, side supports are arranged on the two sides of the fixed rack respectively, and second universal wheels are arranged below the side supports; a guide rail is arranged on the side support, an adjusting sliding block fixed to the movable rack is arranged on the guide rail in a sliding mode, a driving shaft is rotationally arranged on the fixed rack, and the driving shaft is matched with the adjusting sliding block through a first linkage structure. When the mowing machine encounters an obstacle, the front end of the fixed rack and the cutting knife can automatically adjust the posture to be lifted up, stable obstacle crossing is achieved, and the problem that an existing mowing machine cannot actively cross the obstacle, and consequently the working efficiency is low is solved.

The invention relates to the field of ship deck mechanical design, and discloses a lightweight design method of an anchor and mooring equipment winding drum device, which comprises the following steps: S1, establishing a finite element model: establishing an initial three-dimensional model of the anchor and mooring equipment winding drum device, and carrying out regional division on the initial three-dimensional model to obtain a design domain and a non-design domain, applying a preset load condition and a boundary condition to the initial three-dimensional model so as to establish a finite element model; and S2, generating a conceptual configuration: based on the finite element model, carrying out topological optimization in the design domain to generate a material space distribution scheme representing an optimal force transmission path, and the scheme is the conceptual configuration. According to the method, the innovative structural configuration representing the optimal force transmission path is generated through the topological optimization technology, and the limitation of a traditional design method on structural innovation and optimization efficiency is systematically solved in combination with a parameterized multi-objective optimization process.

The external thread grinding machine comprises a machine body, a workpiece main shaft, a center frame and a grinding wheel main shaft, a Z-direction sliding plate and an X-direction sliding plate are arranged on the upper end face of the machine body, the workpiece main shaft is installed on the Z-direction sliding plate, and the center frame is installed on the Z-direction sliding plate and used for supporting the outer circle of a workpiece. The grinding wheel spindle is arranged on the X-direction sliding plate, the outer circle of one end of a workpiece can be clamped through the workpiece spindle, then the outer circle of the workpiece is supported by adjusting the center frame, grinding operation of external threads is completed, grinding of a center hole and jacking of a tailstock are not needed, the technological process is optimized, the machining cost is reduced, and the machining efficiency is improved. The invention belongs to the technical field of mechanical design.

The invention relates to a negative pressure quantitative adjustment and fine adjustment system for vacuum sizing of a drip tape production line, and belongs to the field of mechano-electronics. By adopting a mode of combining a mechanical design technology, a microelectronic technology, a communication technology, a pneumatic technology and the like, quantitative adjustment and fine adjustment of the vacuum degree in the vacuum sizing box are realized through independent work or matched and combined work of the air inlet nozzles with different calibers; and the combination mode of the air inlet nozzles stored in the EEPROM storage chip is called according to the production requirements of different pipe diameters and wall thicknesses, so that the production efficiency is effectively improved, and the purposes of accurately determining the diameter and the pipe wall thickness of the drip irrigation belt production line are achieved. The whole system has the advantages of high precision, low cost, convenience in use, high efficiency and the like, and has a wide market prospect.

The utility model relates to a special oil pumping device for a barreled oil drum, and aims to solve the problems of low efficiency, more oil residues, poor cleanliness, poor adaptability and the like in a traditional oil pumping mode. According to the device, efficient and clean extraction of oil at the bottom of the oil drum is achieved through precise mechanical design and the synergistic effect of parts. Specifically, the device comprises an oil suction pipe, a positioning oil suction disc seat, a spring, a pressure adjusting sleeve, an oil suction pipe positioning plate, a flat-head silencer and the like. The spring and the pressure adjusting sleeve ensure that the positioning oil suction disc seat is tightly attached to the bottom of the oil barrel, and thorough oil pumping is achieved. The filter screen filters impurities to protect the purity of the oil product; the flat-head silencer realizes air communication and prevents external pollution; the oil suction pipe positioning plate adjusts the position according to the size of the oil drum to ensure that the oil suction pipe clings to the inner wall. The oil pumping device has the advantages that oil pumping efficiency and thoroughness are improved, oil purity is protected, applicability and flexibility of the device are enhanced, cleaning cost and environmental pollution are reduced, and the like.

The invention belongs to the technical field of mechanical design, and particularly relates to a method and device for optimizing structural parameters of a sliding shoe bearing oil cavity of a mill. The method comprises the steps that firstly, the influence degree of each to-be-optimized oil cavity structure parameter of the mill sliding shoe bearing on the oil film bearing characteristic is analyzed, and all the oil cavity structure parameters are divided into two types according to the influence degree, namely driving change parameters and driven change parameters; then establishing a regression model between the oil film bearing characteristic parameters and the active change parameters and a regression model between the driven change parameters and the active change parameters; and finally, solving to obtain optimal oil cavity structure parameters by combining all the established regression models with the goal that the oil film bearing characteristic parameters meet the requirements. The regression model established by the invention can reflect the mutual influence relationship among the oil cavity structure parameters, and the influence relationship is considered to optimize the oil cavity structure parameters, so that the optimization performance of the oil cavity structure parameters is improved.

The invention provides a hydraulic system structure capable of detecting internal leakage of an isolating valve and an internal leakage detection method, relates to the technical field of mechanical design of hydraulic systems, and solves the limitation problem that an existing detection mode is time-consuming and labor-consuming. The hydraulic system structure is sequentially connected with an isolating valve, a main distributing system oil source pipeline and a main distributing valve from a pressure oil tank; the main distributing valve is connected with a first servomotor and a second servomotor, the first servomotor and the second servomotor are both connected to the control ring, and the main distributing valve is further connected to the oil collecting tank through a cavity closing oil return pipeline. The isolating valve is further connected with a control valve, the control valve is provided with an oil supply port P, an oil return port T, a first working port A and a second working port B, the oil return port T is connected to the oil collecting groove through an oil discharge main pipeline, the first working port A is communicated with a closed piston cavity of the isolating valve, and the second working port B is communicated with an open piston cavity of the isolating valve; whether the isolating valve has an inner leakage fault or not can be quickly and conveniently determined by detecting whether the oil discharge main pipeline leaks oil or not.

The invention discloses a cylindrical material conveying device based on a horizontal linear motor, and belongs to the field of mechanical design and manufacture, the device comprises a magnetic flux switching linear motor, a stator supporting device, a material supporting device, a material pushing device and a sensor device, and the magnetic flux switching linear motor is a driving source and is of a horizontal bilateral structure; the reinforcing ribs in the stator supporting structure adopt a dual-function coupling design, so that the cost can be reduced and the efficiency can be improved; the material supporting device is fixedly connected with the stator supporting structure and is in linear contact with the cylindrical material; the pushing device is fixedly connected with the linear motor rotor and is connected with the stator supporting structure through a linear guide rail sliding block; the sensor device is located on one side of the linear motor, and a signal line is of a spring coil structure. The rotor is simple in structure, easy to maintain, good in natural heat dissipation effect, compact in overall structure and high in space utilization rate, and the problems that an existing same-type cylindrical material conveying device is complex in rotor structure, poor in natural heat dissipation effect and low in overall structure space utilization rate are solved.

The utility model discloses an adjusting platform spherical hinge locking structure, and belongs to the technical field of mechanical design, the adjusting platform spherical hinge locking structure comprises an adjusting platform, a spherical hinge posture adjusting and fixing structure, an oil way assembly and a control module, the spherical hinge posture adjusting and fixing structure comprises a spherical hinge, an oil cylinder and a universal link head, and after the adjusting platform completes platform posture adjustment through the spherical hinge, the oil way assembly is fixed to the adjusting platform; the control module controls the oil way assembly, then the multiple sets of oil cylinders around the spherical hinge are controlled to be stretched under the condition that the torque is not changed, it is guaranteed that the multiple oil cylinders reach the designated stretching positions at the same time, locking of the spherical hinge is completed, the complete locking state of the spherical hinge can be achieved, one or more spherical hinges can be locked in any posture, and the locking effect is good. Under the condition that a plurality of spherical hinge supports are locked, the posture of the spherical hinge supports is not changed at will, the locking state is stable, and the posture of the spherical hinge supports cannot be changed under the condition of external force.

The invention belongs to the field of mechanical design, and relates to a rotary blowout preventer for a coal mine drilling machine. The core structure comprises a transition four-way joint which is provided with a deflation valve and a water drain valve which are respectively used for discharging gas and drilling slag and water; the rotary sealing device comprises a shell, a front end cover, a rear end cover, a rotary inner sleeve and a sealing rubber sleeve, the sealing rubber sleeve is in an inverted cone shape, self-sealing is achieved through the pressure of media returning out of a hole, and the holding force on the drill rod is enhanced. In addition, the device is further provided with an axial limiting structure, various sealing pieces, a nylon supporting ring, a lubricating nipple and other auxiliary components. In some embodiments, an auxiliary sealing ring is additionally arranged on the inner side of the large end of the sealing rubber sleeve, and double-sealing guarantee is formed. The device can effectively solve the problems that an existing coal mine drilling gas leakage-proof device is rapid in sealing abrasion, poor in high-pressure sealing performance and the like, and safe production of a coal mine is guaranteed.

The invention discloses a mechanical arm for mechanical design and manufacturing, and relates to the technical field of mechanical design. The device comprises a driving air cylinder, an output shaft of the driving air cylinder is connected with a moving frame, a connecting plate is arranged in the moving frame and rotationally provided with one end of a first connecting rod, the other end of the first connecting rod is slidably connected into a first sliding groove, a groove is formed in the first sliding groove, and the groove is clamped with one end of the first connecting rod; the first sliding groove is formed in a first sliding block, and the first sliding block is fixedly provided with one end of a second connecting rod. The moving frame and the internal moving mechanism can make accurate contact with an object through pushing of the driving air cylinder, the moving mechanism is automatically adjusted after being abutted against the object, the mechanical arm rotates towards the inner side to conduct tight clamping, and in the process, clamping stability is guaranteed through clamping connection of the first connecting rod and the groove and deformation of the reset spring, and when the object needs to be released, the air cylinder is started; the mechanical arm rotates outwards through the counter-acting force of the spring, and objects are released easily.

A mobility impaired rehabilitation wheelchair having both a manual mode of operation and a motorized mode of operation for use by a wheelchair occupant in providing efficient and reliable leg exercising for improving circulation and providing muscular stimulation. The mobility impaired rehabilitation wheelchair has an electrical motor and shaft movement that is compact in nature for enabling the motorized mode of operation and the mechanical design provides the wheelchair occupant with a leaver to control movement and the ability to disconnect motion in the manual mode of operation.

The invention discloses a fabric detection device, and belongs to the technical field of fabric performance detection.The fabric detection device comprises a supporting seat, a detection control cabinet is fixedly connected to the side face of the supporting seat, a supporting guide mechanism is fixedly connected to the supporting seat, and two guide blocks are slidably connected into the supporting guide mechanism; and an upper rubbing plate is fixedly connected below the guide block on the upper side. According to the cloth rubbing device, the upper rubbing plate, the lower rubbing plate, the contact plate, the clamping plate and the first elastic assembly are adopted, when the upper rubbing plate and the lower rubbing plate are far away from the middle plate, cloth is automatically clamped and limited, and when the distance between the upper rubbing plate and the middle plate and the distance between the lower rubbing plate and the middle plate are minimum, clamping and limiting are automatically relieved, so that rubbing treatment of the cloth is more sufficient and comprehensive; the fabric detection device provided by the invention not only improves the comprehensiveness and accuracy of the detection of the crease resistance of the fabric, but also remarkably improves the detection efficiency and reliability through the innovative mechanical design and the automatic operation process of the fabric detection device.

The utility model belongs to the technical field of mechanical design, and particularly relates to a helicopter pedal angle sensor mounting device which comprises a mounting seat and a bushing. The mounting seat comprises a base and a boss; the base is plate-shaped, a center hole is formed in the middle of the base, and the boss is located on the edge of one side of the base. The bushing is mounted at an axis hole of the pedal mounting shaft; a rotating shaft of the angle sensor penetrates through a central hole of the mounting seat base and then is connected with the lining; the mounting seat boss is fixed on the side surface of the pedal; and the angle sensor flange is fixed on the boss-free side of the mounting seat base.

1. The name of this design product: Thermometer (mechanical design and manufacturing). 2. Purpose of this design product: This design product is a device used to measure temperature. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model relates to the technical field of mining drainage equipment, in particular to a mining automatic drainage device. The automatic drainage device comprises a shell, an inner cavity of the shell is vertically divided into a gas path cavity and a drainage cavity by a sealing plate, a gas path module and a mechanical control module are correspondingly arranged in the gas path cavity and the drainage cavity respectively, and a first gas path pipe and a second gas path pipe on the gas path module penetrate through the sealing plate and are connected with the mechanical control module arranged in the drainage cavity. The device has the advantages that the safety coefficient of underground operation can be effectively improved by adopting pure mechanical design, electricity utilization danger in traditional electromagnetic needle detection is avoided, the whole device is integrally designed, a drainage cavity is used for replacing a traditional diaphragm pump, the problem that the diaphragm pump is prone to being damaged is avoided, and the whole device is simple in structure, low in cost, low in maintenance cost and suitable for popularization and application. The market requirements are met.

The utility model relates to the field of mechanical design, and discloses a gravel crushing device with a protective structure, which comprises a base, the inner wall of the base is fixedly connected with a connecting shell, the outer walls of the front side and the rear side of the left end of the connecting shell are fixedly connected with fixed discs, and the opposite ends of the two fixed discs are fixedly connected with a fixed rod together; the outer wall of the bottom end of the fixing rod is rotationally connected to the left side of the top end of the connecting shell, the outer wall of the fixing rod is rotationally connected with a protection semicircular shell, the protection semicircular shell and the connecting shell are connected through a clamping assembly, and a motor is installed on the outer wall of the rear end of the connecting shell. And the driving end of the motor penetrates through the connecting shell and is fixedly connected with a rotating rod. According to the utility model, the protection structure can be closed or opened as required through the clamping assembly, so that an operator can be effectively prevented from accidentally contacting with a rotating part of the crusher during sandstone crushing operation, and the risk of accidents is greatly reduced.

The invention discloses a double-layer water tank with a heat preservation function, belongs to the technical field of mechanical design, and aims to improve the overall structural strength of the water tank and enable the water tank to have the heat preservation function. Comprising a box body, an insulating layer and a sealing plate, the box body comprises a box body main body and an end cover; the end cover is arranged at the opening end of the box body, and the end cover and the box body define a sealed container structure. Comprising corner fixing columns, an inner-layer box cover and corner connecting pieces, the end cover comprises four sets of corner fixing columns and the corner connecting pieces, the four sets of corner fixing columns define a square frame structure, and the ends of every two adjacent sets of corner stand columns are connected through the corner connecting pieces; the opening end of the box body main body is inserted into the groove body of the inner-layer box cover, and the inner-layer box cover is connected with the box body main body through welding; the end of the sealing plate is connected with the outer arc plates of the corner fixing columns of the end cover, the end of the sealing plate is connected with the outer arc plates of the four sets of corner fixing columns located on the same side face, and heat preservation layers are arranged between the sealing plate and the box body and between the sealing plate and the inner-layer box cover of the end cover.

The utility model relates to the technical field of mechanical design, and discloses a cross-shaped sliding table structure workbench for fixing rough machining drilling of a petroleum fracturing valve box, which comprises a supporting platform, a positioning baffle plate is arranged at the top of the supporting platform, a fixing clamp is arranged on the side surface of the positioning baffle plate, and a scrap collecting device is arranged on the front side of the positioning baffle plate. According to the workbench of the cross-shaped sliding table structure for rough machining and drilling of the fixed petroleum fracturing valve box, the supporting platform can flexibly move in the horizontal direction through the cross-shaped sliding table structure below the supporting platform, and an operator can conveniently and rapidly adjust the relative position of the petroleum fracturing valve box and a drill bit of a drilling machine; the fixing device and the positioning baffle can be flexibly adjusted according to the shape and the size of the petroleum fracturing valve box. Compared with a traditional workbench with a fixed layout, when petroleum fracturing valve boxes of different specifications are machined, accurate positioning and clamping can be achieved, machining errors caused by the adaptation problem are avoided, the machining quality is guaranteed, and the machining efficiency is improved.

The utility model relates to the technical field of mechanical design, machining and assembly, in particular to a rigidity-adjustable flexible zero-backlash transmission gear pair device, which overcomes the defects of mechanical design, machining and assembly in the prior art, and comprises a gear shaft I, gears I are meshed and connected with two sides of the gear shaft I, a gear II is arranged on one side of each gear I, and a gear shaft II is arranged on the other side of each gear II. Wherein one side of one first gear is connected with a second gear shaft in a meshed mode, a fastener is arranged on one side of the second gear, a screw rod is arranged on one side of the fastener, a spring is arranged on the surface of the screw rod, and a gasket is arranged on the surface of the screw rod.

The invention discloses an aerostatic bearing rotation error modeling method based on bidirectional fluid-solid coupling, belongs to the technical field of ultra-precision mechanical design and performance simulation, and aims to solve the problems of insufficient model applicability and low calculation efficiency in the existing aerostatic spindle analysis technology. The method comprises the following steps: establishing a five-degree-of-freedom mechanical model of the gas static pressure main shaft; constructing a thrust gas film initial model and a neck gas film initial model containing comprehensive manufacturing errors, and recording unbalanced torque; calculating the total unbalanced torque of the system, carrying out iterative circulation until the total torque, the axial force and the radial force of the system reach convergence conditions, traversing all angle positions of the main shaft rotating 360 degrees for a circle, integrating main shaft balance attitude coordinates obtained by calculation under all angles, generating a mass center trajectory diagram and an axis space inclination trajectory diagram of the main shaft, and calculating the balance attitude of the main shaft. And an accurate rotation error model is obtained.

The invention discloses a robot feeding and clamping device, and relates to the technical field of mechanical design and manufacturing, the robot feeding and clamping device comprises a mechanical arm, one end of the mechanical arm is fixedly connected with a fixed outer frame, and the surface of the fixed outer frame is slidably connected with a pressing frame for clamping an object; a power circular plate for adjusting the clamping state of materials is arranged in the fixed outer frame, a fourth spring for preventing the clamped materials from being separated is arranged in the pressing frame, a dough pressing block for conducting secondary clamping on the materials so as to improve the conveying stability of the materials is arranged in the pressing frame, and an extending block at one end of a seventh groove synchronously slides along with the pressing block. The pressing block is arranged in the pressure groove and drives the sealing block to slide in the pressure groove, the sealing block makes contact with the inclined face of the pressure groove, the sealing block is pushed by the inclined face of the pressure groove to slide towards the material along the lower surface of the pressing block, then a baffle is formed below the material, and the purpose of preventing the clamped material from falling off is achieved.

The utility model provides a transmission structure of a needling glue taking device, the needling glue taking device comprises a guide rail frame, and the transmission structure comprises a first transmission part, a second transmission part and a third transmission part, one end of the second transmission part is in transmission connection with the first transmission part; the other end of the second transmission part is in transmission connection with the third transmission part; the second transmission part and the third transmission part form a crank sliding block structure so as to drive the third transmission part to conduct movable drilling. And through an accurate transmission structure, the overall production efficiency is improved. Due to the precisely controlled lifting motion, damage to rubber trees is reduced, protection of the trees is facilitated, and the long-term yield of rubber is increased. Due to the adoption of a simplified transmission structure and a stable mechanical design, the failure rate of equipment is reduced, so that the maintenance and repair cost is reduced.