242 results about "Opening - action" patented technology

The invention relates to an inner shrinkage core mold, which comprises a top plate, a front mold, a rear mold and a bottom plate, an ejection structure is arranged between the rear mold and the bottom plate, the ejection structure comprises an upper ejection plate and a lower ejection plate, the lower ejection plate is rotatably connected with a middle core, a threaded core is arranged on the outer side of the middle core, the threaded core is arranged in a split manner, and the upper ejection plate is connected with the lower ejection plate. Each split body is clamped with the middle core, the threaded core rotates along with the middle core, and when the middle core moves in the direction away from the cavity, one end, facing the cavity, of each split body of the threaded core inclines towards the middle core. By adopting the technical scheme, the split bodies of the threaded core are simultaneously driven to complete the composite action of rotation and radial inclined shrinkage through the rotation and backward pulling action of the middle core, the split bodies are rotated by an angle firstly, so that a mold core structure corresponding to an internal thread is loosened from the internal thread of a product, and the mold opening action is continued; and the inclined contraction action enables the thread part to be thoroughly separated, so that the demolding stroke is greatly shortened.

The invention relates to the field of boxed medicine packaging lines, in particular to an automatic boxed medicine packaging line which comprises a conveying unit, a feeding unit is installed on one side of the conveying unit, a packaging box discharging mechanism is arranged at the upper end of the conveying unit, and a continuous conveying mechanism used for conveying packaging boxes is installed on the side face of the conveying unit. And a filling mechanism for filling the tablets into the packaging boxes is arranged at the lower end of the continuous conveying mechanism. According to the full-automatic packaging machine, grabbing, space transferring and posture keeping of packaging boxes are synchronously achieved through a driving motor, a planetary gear and belt transmission combination, the mechanical box opening action is integrated in the transferring path, the box opening procedure is seamlessly embedded into the continuous conveying process, the production takt is greatly shortened, and the overall packaging speed is increased.

The invention relates to an electric vehicle front face plastic shield injection mold multi-point sideslip forming structure which comprises an upper mold body and a lower mold body, the upper mold body comprises an upper fixing plate and a fixed mold plate, the lower mold body comprises a movable mold plate, and two first forming blocks are connected to the movable mold plate in a sliding mode; two second forming blocks, two power blocks and two third forming blocks are connected to the fixed mold plate in a sliding mode; the power block is provided with a first inclined groove and two second inclined grooves, and the two second forming blocks and the two third forming blocks are in sliding fit with the first inclined groove and the second inclined grooves correspondingly. Two fourth forming blocks are arranged on the first forming block, and fifth forming blocks are connected to the fourth forming blocks in a sliding mode. According to the invention, sectional type sideslip core-pulling demoulding of a plurality of forming blocks is realized by utilizing the mould opening action of the mould.

The invention belongs to the technical field of nuclear power, and particularly relates to a pressure self-driving type separation pressure relief device. The device is driven to be opened through unbalanced force caused by medium pressure to the valve rod assembly. The separation structure is arranged, and the bearing bush and the separator can complete the separation action when the required separation pulling force is applied; the protector is of an integrated structure, one end of the protector is designed to be a blind hole, the head of the protector is designed to be a weak area, zero leakage is kept in a closed state under the normal working condition, when medium pressure reaches starting pressure, the disengaging structure is disengaged, the valve rod breaks the protector in a pulling mode, and the opening action is completed. The whole action process does not depend on external energy, signals, manpower and other operations, has the characteristic of high reliability, and can be applied to numerous key parts needing to execute the pressure relief function.

The application relates to a force-amplifying pneumatic clamping jaw, which comprises multiple unit air cylinders, a tail cover, an end cover, a driving rod, a first clamping jaw and a second clamping jaw, the cylinder body and the end cover of each unit air cylinder are provided with first air holes, the piston body of each unit air cylinder is provided with a second air hole; the end cover is provided with a third air hole, one end of the third air hole is communicated with a second air nozzle, and the other end is communicated with the rod cavity of the unit air cylinder closest to the end cover, the cylinder body of each unit air cylinder except the unit air cylinder closest to the end cover is provided with a fourth air hole, one end of the fourth air hole is communicated with the rod cavity of the unit air cylinder, and the other end is communicated with the atmosphere. The application rearranges the air inlet and outlet channels, only has a slight impact on the workpiece once when performing the clamping action, presents a stable clamping phenomenon, and has small vibration; meanwhile, the clamping force is rapidly increased from small; when performing the opening action, a stable opening phenomenon is presented, vibration and noise can be reduced.

The application discloses a plug used for cooperating with a socket assembly of a door contact switch to realize closing and opening actions, which comprises a fixed plate and two terminals fixed on the fixed plate and electrically connected with each other, and the connection lines at the ends of the two terminals are obliquely connected with the back surface of the fixed plate away from the terminals; and the application further discloses a door contact switch. In the application, the plug is used for the door contact switch, so that the terminal ends are always in contact with and separated from the working part at the same time, the differential wear of the working part and the occurrence of current arc are avoided, and the service life of the door contact switch is prolonged.

The utility model relates to a toy moving device. A shooting toy comprises the toy moving device. On the toy moving device, the driving mechanism drives the moving seat to move relative to the shell and is matched with the guide piece to slide along the guide track, linear motion of a single driving source is converted into rotating motion of the connecting arm, the problem that the manufacturing cost is increased due to a traditional multi-driving-source structure is solved, and therefore balance of function expansion and cost control is achieved. Secondly, through the sliding fit between the guide piece and the guide track on the shell and the rotary connection structure of the connecting arm on the movable seat, the shielding / opening action of the trigger piece and the displacement of the movable seat form linkage, the problem of space occupation caused by an additional transmission mechanism is solved, and therefore the composite motion function is achieved in the limited space; therefore, while the compactness of the product is ensured, the trigger piece can move relative to the shell along with the movable seat on one hand, and can be shielded / opened by the rotating connecting arm on the other hand.

The invention discloses a rapid and reliable reclosing switch, relates to the technical field of vacuum circuit breakers, and aims to solve the problems that an existing vacuum circuit breaker is mainly driven by an electromagnetic operating mechanism to complete closing and opening actions, but the premise of realizing stable closing and opening by the electromagnetic operating mechanism is stable and continuous output of current, and the operation is inconvenient. In order to form a stable magnetic field to maintain switching-on and switching-off actions and solve the technical problem that when current fluctuates, a switch is prone to tripping without permission, the switch comprises symmetrically arranged bases, a U-shaped shell and a frame-shaped connecting piece are detachably connected between the bases, and an insulating substrate is detachably installed at the top of the inner wall of the U-shaped shell. Opening and closing switch assemblies are detachably installed at the bottom of the insulating substrate at equal intervals, an opening and closing indication assembly is fixedly arranged on one side of the bottom of the insulating substrate, and an opening handle assembly is movably installed in one side of the U-shaped shell. The invention has the advantage of improving the stability and reliability of closing.

The application belongs to the technical field of hydraulic control systems of injection molding machines, and provides a hydraulic control unit, a servo control mold locking hydraulic system and an injection molding machine. The control unit comprises a high-frequency response servo valve, a one-way poppet valve, a two-way poppet valve and a controller. One end of the two-way poppet valve is connected to the rod cavity of a mold locking oil cylinder, and the other end is connected to a system oil tank. The controller is electrically connected to the high-frequency response servo valve, and is signal connected to a pressure sensor and a displacement sensor respectively. Compared with the prior art, the application integrates a high-frequency response servo valve, a one-way poppet valve, a two-way poppet valve and a closed-loop sensor controller to construct a high-precision hydraulic control unit, significantly improves the position repeatability and dynamic response speed of micro-opening actions, effectively meets the demand of advanced processes such as foaming injection molding and thin-wall molding for dynamic pressure adjustment of a mold cavity, and avoids problems such as uneven density of products, flash or mold damage.

This utility model provides a mold that utilizes the mold opening force of an injection molding machine to drive the ejection mechanism of the molded product. It relates to the field of mold technology and includes a movable side, a fixed side, an ejection mechanism, and a driving mechanism. The driving mechanism includes a pull plate, a rocker arm, a guide structure, and a rotating shaft. The pull plate is installed on the movable side, and the rocker arm is connected to the ejection mechanism via the rotating shaft. A guide pin guides the rocker arm. Both the pull plate and the rocker arm are equipped with hook structures. This design, by using a driving mechanism composed of a pull plate, rocker arm, guide structure, and rotating shaft, offers a simple and reliable structure with minimal installation space, reducing mold and injection molding costs. After the mold completes the ejection action, the rocker arm can disengage from the pull plate, allowing the movable side to continue performing larger mold opening actions, meeting the needs of a robotic arm to enter the mold and remove the product. The mold opening stroke is not affected by the mold thickness.

This application relates to the field of new energy vehicle charging equipment technology, and discloses a multifunctional mobile vehicle-mounted charging device, including a carrier vehicle. A battery pack and charging module are installed inside the vehicle's cargo compartment. A slide rail is fixedly connected to the top of the cargo compartment, and a support frame is slidably connected to the slide rail. An air extraction component is fixedly connected inside the support frame to extract air from inside the cargo compartment to the outside, thereby accelerating the ventilation efficiency between the inside and outside of the cargo compartment. The bottom end of the support frame facing the rear door of the cargo compartment is connected to the rear door of the cargo compartment via a connecting rod, and the top end is hinged to one end of a drive arm. By directly transmitting the opening action of the rear door of the cargo compartment to the support frame via the connecting rod, the support frame and the air extraction component are driven to slide out of the cargo compartment along the slide rail. This transforms the necessary action of opening the door into the driving force for the deployment of the cooling system and wiring components. The device is ready without additional operating steps, and the linkage process is stable and reliable.

A medical and hygienic product storage device convenient to open and close comprises a box body and a box door hinged to the box body, a handle and a pull rod are arranged on the opening and closing side of the box door, a lock head assembly is arranged on the inner side of the box door, a lock body assembly is arranged at the corresponding position of the box body, and the box door and the box body are locked through coupling of the lock body assembly and the lock head assembly; when the box door is closed, locking can be completed through linkage kinetic energy of the locking block assembly, independent operation is not needed, meanwhile, when the box door is opened, unlocking can be completed only by synchronously pulling the pull rod along with the door opening action, a very convenient opening, closing and locking mode is provided, and the box door is suitable for the medical and hygienic product storage device, is convenient for medical staff to use and is suitable for popularization and application. And the medicine taking efficiency is improved.

The utility model discloses a medium-voltage circuit breaker handcart execution unit box with a locking mechanism, which is used on an electric execution mechanism of a medium-voltage circuit breaker handcart and comprises a box body, an execution mechanism and the locking mechanism. The box body is provided with a box door; the executing mechanism comprises a motor and a driving assembly, and the driving assembly is provided with a manual connecting part; the locking mechanism comprises a baffle assembly, a buckling block and a travel switch assembly. According to the utility model, the manual connection part is used for being connected with an external crank to realize manual operation, and the external hanging mechanism of the medium-voltage circuit breaker handcart can be ensured to be normally used in combination with electric driving realized by the motor; the baffle assembly is arranged and used for controlling the travel switch assembly to conduct electrical action and controlling the manual connecting part to conduct closing or opening action. Through the cooperation of the clamping groove and the clamping block, an execution mechanism for opening the box door for misoperation is prevented from violating five-prevention, and the use safety is improved.

The utility model discloses an automatic supporting leg unfolding structure of a television remote controller receiver. The automatic supporting leg unfolding structure comprises a shell and a supporting leg assembly, the supporting leg assembly is rotationally arranged on the shell through a torsional spring and is locked through a locking structure. According to the utility model, the sliding button is directly pushed, the buckle is unlocked, and the bounce-off action of the supporting leg is immediately triggered, the whole process is automatic, the conversion from storage to unfolding support can be quickly completed, the convenient experience of taking and using is realized, and the usability of the product is greatly improved.

The invention provides a processing method of a paper winding shaft stab, and relates to a processing mould of the paper winding shaft stab, the mould comprises an upper mould base, a pressure head, a lower mould base and a driving mechanism, the processing method is as follows: one end of a paper winding shaft is arranged on a positioning block, and the other end of the paper winding shaft is arranged on a clamping part of the driving mechanism; an operation switch of the machining die is started, the upper die base is closed to drive the spine part of the pressing head to abut against the paper winding shaft to press out local thorns, then the upper die base is opened to drive the spine part of the pressing head to move upwards, and meanwhile, the driving mechanism drives the paper winding shaft to rotate around the axis of the paper winding shaft, so that the part, where no local thorns are formed, of the paper winding shaft corresponds to the spine part of the pressing head; and the repeated mold closing and opening actions are matched with the driving mechanism to drive the paper winding shaft to rotate around the axis of the paper winding shaft, so that continuous global stab patterns are formed on the periphery of the paper winding shaft. The friction force and the grabbing force between the paper winding shaft and paper can be increased, the paper is effectively prevented from being blocked and slipped in the conveying process, and the smoothness of the printing process is ensured.

The utility model relates to the technical field of textile machinery manufacturing, in particular to an active rapier opening device of a rapier loom. The mobile cam mechanism includes a mobile cam and a roller follower assembly. The swing mechanism is driven by the beating-up swing shaft to slightly deflect. And the moving cam performs reciprocating linear displacement motion under the action of the traction force from the swinging mechanism. The roller driven assembly is used as an assembly foundation of the mounting seat. The rapier opening block is used for pressing the rapier receiving head of the rapier so that the rapier receiving head can release yarn and is fixed to the installation base. In the process that the roller driven assembly is controlled by the cam profile of the movable cam to execute reciprocating type linear displacement motion, the mounting base can drive the rapier opening block to be close to / away from the rapier receiving head of the rapier. Thus, on one hand, the displacement precision of the rapier opening block is guaranteed, and then the reliability and accuracy of implementation of the follow-up rapier opening action process are improved; and on the other hand, the service life of the rapier receiving head and the service life of the rapier opening block are greatly prolonged.

The invention provides a gas-driven switch and a gas-driven switch opening and closing method. The gas-driven switch comprises a shell; the movable assembly is movably arranged in the shell; the air chamber is in driving connection with the movable assembly and is fixedly connected to the interior of the shell, and an air inlet hole is connected to the air chamber; the balance assembly is movably connected with the movable assembly and provides downward force for the movable assembly, and the balance assembly is fixedly connected to the interior of the shell; the static contact is fixedly connected with the shell and located at one end of the movable assembly; the expandable side of the air chamber abuts against the movable assembly, when a fault occurs, air pressure is conducted to the air chamber through the air inlet hole, and external force caused by the air pressure enables the air chamber to expand and move to push the movable assembly to damage balance of the balance assembly, so that the movable assembly moves; and finally, the switch is far away from the static contact or is in contact with the static contact, so that the switch completes switching-on or switching-off actions.

The invention belongs to the technical field of injection molding machine hydraulic control systems, and provides a hydraulic control unit, a servo control mold locking hydraulic system and an injection molding machine, the control unit comprises a high-frequency response servo valve, a one-way poppet valve, a two-way poppet valve and a controller; one end of the two-way poppet valve is connected with a rod cavity of the mold locking oil cylinder, and the other end is connected with the system oil tank; the controller is electrically connected with the high-frequency response servo valve and is in signal connection with the pressure sensor and the displacement sensor. Compared with the prior art, the high-precision hydraulic control unit is constructed by integrating the high-frequency response servo valve, the one-way poppet valve, the two-way poppet valve and the closed-loop sensing controller, so that the position repetition precision and the dynamic response speed of micro-opening action are remarkably improved; the requirements of advanced technologies such as foaming injection molding and thin-wall forming on dynamic adjustment of the pressure of the cavity are effectively met, and the problems of uneven density, flash or mold damage of products are avoided.

The utility model relates to the technical field of raw material input devices, and particularly discloses a water-soluble fertilizer processing raw material input device which is characterized in that the outer surface of a feeding hopper is fixedly connected with two triangular mounting seats, the outer surfaces of the two triangular mounting seats are rotationally connected with discharging baffles, and the outer surfaces of the two discharging baffles are fixedly connected with rectangular connecting rods; two arc-surface mounting seats are fixedly connected to the outer surface of the feeding hopper, air cylinders are rotatably connected to the interiors of the two arc-surface mounting seats, output shafts of the two air cylinders extend outwards, and when the output shafts extend out, two rectangular connecting rods connected with the output shafts can be pushed; the two discharging baffles can rotate synchronously under pushing of the rectangular connecting rod, when the discharging baffles rotate to a certain angle, the opening action is achieved, so that a discharging channel in the feeding hopper is opened, and on the contrary, when an output shaft of the air cylinder contracts, the discharging channel is closed again.

The utility model provides a bead feeding clamp mechanism for multi-bead feeding, which comprises a bead feeding bottom plate and at least two bead feeding clamp assemblies, the bead feeding bottom plate is provided with at least two conveying grooves capable of guiding and sliding the bead feeding clamp assemblies, and each bead feeding clamp assembly comprises a bead clamp and a driving piece of the bead clamp. A resistance increasing structure which is matched with the bead clamps and delays the bead clamps to generate clamping or opening actions along with sliding of the driving part is arranged on a sliding path of at least two bead feeding clamp assemblies, a resistance column matched with the resistance increasing structure is arranged at the corresponding position of the bottom of each bead clamp, and the resistance increasing structures are arranged at the matching position of the bead feeding bottom plate and the bead clamps. The resistance increasing structure comprises a sliding groove formed in the corresponding position of the bead feeding bottom plate and used for sliding of the resistance column and a pair of elastic resistance arms arranged at the corresponding positions of the two sides of the sliding groove and used for providing resistance for the resistance column. The resistance increasing structure only provides resistance for the bead clamp, does not affect other assemblies, is directly arranged on the bead feeding bottom plate, and does not occupy space.

The utility model relates to a high-precision thread-containing lens cone demoulding structure which comprises a mould core, a thread insert is coaxially arranged in the mould core in a penetrating mode, an endoscope gear insert is coaxially arranged in the thread insert in a penetrating mode, and the thread insert is driven by an electric assembly to rotate. And an independent insert design of the thread insert and the endoscope gear insert is adopted, so that the insert core is convenient to replace during mold repair. The independent insert design of the thread insert and the endoscope gear insert is adopted, and the situation that the size of the endoscope gear is unstable due to the fact that threads rotate and retreat is avoided. The product demolding action is completed while the mold opening action is completed, the forming period can be shortened to a certain extent, and the production cost is reduced.

A surgical instrument comprises a clamping assembly, a long shaft assembly and a control assembly, and the long shaft assembly is connected between the clamping assembly and the control assembly and used for transmitting driving force of the control assembly to the clamping assembly so that the clamping assembly can perform clamping or opening action on target tissue; the surgical instrument further comprises a protection assembly, the protection assembly is arranged between the long shaft assembly and the control assembly, force connection is formed between the long shaft assembly and the control assembly, and the breaking strength of at least part of the protection assembly is lower than that of the clamping assembly. The clamping assembly is used for being broken when the driving force transmitted by the long shaft assembly to the clamping assembly is larger than preset force.

The utility model provides an operating device and a switch, and relates to the technical field of low-voltage electrical appliances, the operating device comprises a first driving assembly, a rotating shaft, an energy storage assembly and a lock catch assembly, and all the assemblies are in close fit to realize an automatic switch operation function. Firstly, the first driving assembly is in driving connection with the rotating shaft, so that the rotating shaft drives other parts in the device to operate; and secondly, the energy storage assembly is arranged on the rotating shaft, so that when the first driving assembly works, the moving contact can be driven by the rotating shaft to be switched on, and power can be provided for the energy storage assembly to enable the energy storage assembly to enter an energy storage state. The energy storage assembly is locked with the lock catch assembly after energy storage is completed, and it is ensured that the stored energy cannot be released under the condition that no triggering exists. When the circuit breaks down, the lock catch assembly can receive an opening signal, the locking mechanism is automatically relieved, and the energy storage assembly begins to release energy. The energy is transmitted to the moving contact through the rotating shaft to drive the moving contact to complete the opening action, the circuit is cut off, and the remote tripping function is achieved.

Spindle drive assembly for the motor-driven opening and closing of a motor vehicle flap or similar that comprises a spindle housing, in which a motor gear unit and a spindle unit are located, wherein the spindle unit is comprised of a fixed part of the spindle drive with a rotating spindle driven by the motor gear unit and a movable part of the spindle drive that moves in an axial direction relative to the fixed part of the spindle drive with a threaded spindle nut that grips the spindle, wherein the movable part of the spindle drive is movable in an axial direction between a retracted position and extended position due to the movable spindle nut located on the spindle, and wherein a first compression spring is foreseen, which places the fixed part of the spindle drive and the movable part of the spindle drive under tension with respect to one another, in order to assist the movable part of the spindle drive when moving from the retracted position to the extended position, wherein a second compression spring is located between the movable part of the spindle drive and the fixed part of the spindle drive, which assists the first compression spring during an opening action starting from the retracted position of the movable part of the spindle drive.

This utility model discloses a cryogenic storage box, including a detection hole on the box body, a sealing device for controlling the opening and closing of the detection hole, a sealing cover covering the detection hole, and an opening and closing mechanism for controlling the movement of the sealing cover. This utility model utilizes the existing detection hole structure of the cryogenic storage box, replacing the original rubber plug of the detection hole with a sealing cover that has a certain heat insulation effect. The detection hole balances the pressure inside and outside the storage box, eliminating the need for a separate electric heating balancing device, thus reducing energy consumption and cold leakage. The opening action is detected and judged, and the activation of the transmission sealing device is controlled by a set control method, improving the pressure balancing efficiency and reducing cold leakage. The structure is simple, requiring only the addition of a sealing device next to the detection hole on the back.

The utility model discloses a reclosing switch capable of realizing stable opening and closing, relates to the technical field of vacuum circuit breakers, and aims to solve the problems that the existing vacuum circuit breaker completes closing and opening actions mainly by driving the circuit breaker through an electromagnetic operating mechanism, but the premise of realizing stable closing and opening by the electromagnetic operating mechanism is stable and continuous output of current, and the working efficiency is low. In order to form a stable magnetic field to maintain switching-on and switching-off actions and solve the technical problem that when current fluctuates, a switch is prone to tripping without permission, the switch comprises symmetrically arranged bases, a U-shaped shell and a frame-shaped connecting piece are detachably connected between the bases, and an insulating substrate is detachably installed at the top of the inner wall of the U-shaped shell. Opening and closing switch assemblies are detachably installed at the bottom of the insulating substrate at equal intervals, an opening and closing indication assembly is fixedly arranged on one side of the bottom of the insulating substrate, and an opening handle assembly is movably installed in one side of the U-shaped shell. The utility model has the advantage of improving the stability and reliability of closing.

The invention relates to the technical field of lifting transportation equipment, in particular to a special clamp type lifting appliance device for a traveling wheel, which comprises a main body frame, a first lifting connecting piece, a second lifting connecting piece, a clamping mechanism and a locking mechanism, the main body frame comprises a first metal arm, a second metal arm, a third metal arm, a fourth metal arm and a pin shaft, through holes for the pin shaft to pass through are formed in two ends of the first metal arm and the second metal arm; through holes for the pin shaft to pass through are formed in one ends and hinging positions of the third metal arm and the fourth metal arm. According to the clamp type lifting appliance device special for the traveling wheel, a four-arm hinged linkage structure is adopted for a lifting appliance, the clamping claws can be driven to complete folding and unfolding actions by means of the lifting action of lifting equipment, an additional power device is not needed, operation is easy and efficient, the hook is hung on the positioning ring, the two clamping claws can be driven to be in an unfolding state all the time, and the lifting appliance is convenient to use. And the travelling wheel can conveniently enter the space between the two clamping claws.

The embodiment of the invention provides a control method and device for a tail wing and a tail door of a vehicle and the vehicle. The control method comprises the steps that in response to a request signal for opening the tail door, the tail wing is controlled to execute the closing action; and when the signal that the closing action of the empennage is completed is not received within the preset time, linkage control over the empennage and the tail door is cut off, and the tail door is controlled to execute the opening action. The time for waiting for opening of the tail door by a user can be shortened, and the vehicle using convenience and user experience of the user are improved.

The invention relates to the technical field of test block molds, in particular to a concrete sample mold, which comprises a mold body part, the mold body part comprises a bottom mold foundation, the periphery of the bottom mold foundation is rotatably provided with side mold plates through hinges, and the four side mold plates and the bottom mold foundation are closed to form four sample cavities; the bottom die foundation comprises a bottom plate, wherein a limiting annular protruding plate is arranged on the upper surface of the bottom plate, and a middle protruding plate is vertically connected to the center of the bottom plate. The locking part comprises four locking assemblies which are mounted on the middle convex plate in a central symmetry manner; the mold body part capable of being rapidly opened, closed and assembled is arranged, and compared with a traditional cubic sample mold, the mold can be rapidly opened to achieve demolding in the demolding process, and a sample cavity is convenient to clean; the arranged locking part can realize synchronous locking and loosening of the side templates at the periphery, so that the forming assembly and subsequent demolding opening actions of the sample cavity can be conveniently and quickly realized, the operation is simple and quick, the practicability is realized, the demolding efficiency can be obviously improved, and the problem that the traditional sample mold is inconvenient to demold is solved.