86results about How to "Easy assembly" patented technology

The utility model relates to the field of cabinets, in particular to a cabinet with a heat dissipation and dehumidification mechanism, a plurality of heat dissipation fan assemblies are installed on the side face of a cabinet body, detachable filter screen assemblies are installed on the outer sides of the heat dissipation fan assemblies, and fixing pieces are fixedly arranged at the corners of the filter screen assemblies on the cabinet body; fixing grooves are fixedly formed in the side edges of the fixing pieces, adjusting columns are movably arranged in the fixing grooves, and the corners of the filter screen assembly are assembled on the fixing pieces through the adjusting columns. According to the utility model, heat dissipation and ventilation functions of the interior of the cabinet body can be realized through the arrangement of the heat dissipation fan assembly, and the filter screen assembly can be installed on the outer side of the heat dissipation fan assembly through the adaptive arrangement of the fixing member and the adjusting column, so that dust can be prevented from entering the interior of the cabinet body through the heat dissipation fan assembly. The assembly mode of the filter screen assembly is simple and convenient, and the filter screen assembly can be conveniently disassembled and cleaned by a user in the later period.

The paper cushion packaging structure for the refrigerator comprises a top cover, the top cover comprises a first sand pipe paper frame and a first honeycomb paperboard, the four corners of the first honeycomb paperboard are provided with reserved hole positions and bonded in the first sand pipe paper frame, and the first sand pipe paper frame is formed by folding and enclosing a sand pipe paper corner protector after slotting and stamping; the bottom support comprises a second sand pipe paper frame, a second honeycomb paperboard, a third honeycomb paperboard and a filling paperboard, reserved groove positions are formed in the four corners of the second honeycomb paperboard, the second honeycomb paperboard is bonded in the second sand pipe paper frame, and the second sand pipe paper frame and the first sand pipe paper frame are the same in structure; the third honeycomb paperboard and the filling paperboard are bonded on the second honeycomb paperboard to support the bottom of the refrigerator; the supporting paper angle beads are provided with a plurality of reserved hole positions which penetrate through the first honeycomb paperboard and reserved groove positions which penetrate through the second honeycomb paperboard respectively. All parts of the device are simple and ingenious in structural design, the assembly mode is simple, and workers can operate the device easily.

The utility model relates to an assembly type stair. Comprising a ladder beam provided with a plurality of first connecting holes; the ladder plates comprise a bottom ladder plate, a plurality of middle ladder plates and a top ladder plate; the bottom ladder plates are located at the bottoms of the ladder beams, the top ladder plates are located at the tops of the ladder beams, and the middle ladder plates are located between the bottoms of the ladder beams and the tops of the ladder beams; two grouting grooves are respectively formed from the back surface of the vertical part of the bottom ladder plate to the bottom of the plane part of the bottom ladder plate, and two grouting grooves are respectively formed from the back surface of the vertical part of the middle ladder plate to the bottom of the plane part of the middle ladder plate; and the first connecting pieces are embedded in the grouting grooves and the bottom of the top ladder plate correspondingly, the first connecting pieces at the bottoms of the middle ladder plates are used for being inserted into the first connecting holes corresponding to the first connecting pieces, and the first connecting pieces at the bottoms of the bottom ladder plates are used for being inserted into the first connecting holes corresponding to the first connecting pieces. The stair is low in self weight, the first connecting pieces at the connecting positions can be hidden, and the appearance is attractive.

The utility model relates to the field of motor shell processing, in particular to welding equipment for motor shell processing, which is characterized in that a mounting part is rotatably arranged on a base through a motor component, a circular supporting seat is mounted on the mounting part, and a welding component and a positioning component are respectively arranged on two sides of the circular supporting seat on the base; a mounting cavity corresponding to the mounting part is adaptively formed in the bottom of the circular supporting seat, a rotating column is rotationally arranged in the circular supporting seat, clamping columns are movably arranged on the two sides of the rotating column, and clamping cavities corresponding to the clamping columns are adaptively formed in the mounting part. According to the motor shell welding device, welding of the motor shell can be achieved through adaptive arrangement of the round supporting base, the welding assembly and the positioning assembly, and fixed installation of the round supporting base can be achieved through mutual clamping arrangement of the installation piece and the installation cavity and matching of locking between the clamping column and the clamping cavity; the assembling mode of the circular supporting seat is simple and convenient, so that the flexibility of the device is improved.

The utility model belongs to motor technical field discloses rotor structure and motor, when assembling rotor structure, the compression link is penetrated second iron core, and the compression link is connected with at least one balance ring axial plug, installs the force applying member in the balance ring, and makes the one end of force applying member to press in the compression link, makes force applying member to exert the action of compression link, force applying member promotes the compression link to move to the side of the first iron core center axis close, makes the compression link along the direction of the first iron core center axis close pressure joint in corresponding second iron core, to install second iron core in the compression link. The assembly mode of this rotor structure is simple, and the assembly efficiency is high, and moreover utilizes the cooperation of compression link and force applying member, and the compression link is pressure joint in corresponding second iron core along the direction of the first iron core center axis close, realizes the fixation of second iron core, to realize the non - magnetic - piece design of rotor structure, can improve the utilization of magnetic steel, reduce the cost of rotor structure, improve the stability and reliability of rotor structure.

The utility model relates to the technical field of lost foam casting, in particular to a lost foam casting negative pressure sandbox which comprises a base plate, a plurality of sandbox assemblies are arranged at the top of the base plate, upper connecting blocks are fixedly installed above the two sides of each sandbox assembly, and limiting grooves are formed in the sides, away from the sandbox assemblies, of the upper connecting blocks. According to the lost foam casting negative-pressure sand box, through cooperative use of the base plate, the sand box assembly bodies, the positioning grooves, the lower connecting blocks, the mounting grooves, the upper connecting blocks, limiting grooves, concentric-square-shaped positioning pieces, butterfly nuts, bolts and concentric-square-shaped sealing grooves, a certain number of sand box assembly bodies can be assembled to expand the internal volume of the sand box, and the requirements of different casting processes and castings are met; the situation that a user needs to independently prepare sandboxes of different sizes according to each requirement is avoided, the cost and occupied space of equipment are reduced, and the flexibility and applicability of the sandboxes are improved.

The utility model belongs to the technical field of automobile cushion, especially involves a moisture -proof type automobile cushion, including automobile cushion, being provided with the cushion on the automobile cushion, and the cushion includes: inner pad, the inner pad is made of flexible material, and a plurality of dehumidification units are arranged on the inner pad, outer bushing, the outer bushing sets up in the inner pad outside, and a plurality of air holes are arranged on the outer bushing, wherein, the dehumidification unit is made of non - woven fabric covering charcoal.

A motor manufacturing method and a motor, the method comprising: providing a housing, the housing being provided with an accommodating hole, the inner wall of the accommodating hole being convexly provided with a first limiting portion and a second limiting portion which are axially arranged at an interval; a stator is provided, the stator comprises a plurality of stator laminations arranged in a stacked mode, and a matching part is arranged on the peripheral side face of the stator; enabling the matching part to be matched with the first limiting part, and mounting the stator into the accommodating hole until one axial end of the stator is propped against the second limiting part, pressing the plurality of stator laminations and enabling the stator to be positioned between the first limiting part and the second limiting part, so that the stator and the shell relatively rotate along the circumferential direction of the accommodating hole; the matching part and the first limiting part are staggered along the circumferential direction of the accommodating hole; the stator is released, and the two axial ends of the stator abut against the first limiting part and the second limiting part respectively under the action of the elastic force of the stator laminations. Therefore, low-cost, convenient and reliable assembly of the motor is realized at the same time, and the difficulty of part manufacturing and finished product assembly of the motor is reduced.

The present invention belongs to the field of medical device technology, particularly to the field of A61B17 / 68, and specifically to an implantation tool for implants in patients with femoral neck fractures. The present invention provides an implantation tool for implants in patients with femoral neck fractures, comprising a first component and a second component; the first component comprises a first straight portion, the first straight portion is provided with an open slot; the first component further comprises an extension portion, the extension portion extends from the proximal end of the first straight portion to the opposite direction of the open slot; the extension portion forms an acute angle with the first straight portion; the second component comprises a second straight portion, the second straight portion is arranged in cooperation with the first straight portion through the open slot; the second component further comprises a channel portion, the channel portion overlaps and is fixedly connected with the proximal end of the second straight portion, and is fixedly connected with the distal end separated by a certain distance.

The invention relates to the technical field of automobile part structures, in particular to a hub motor wheel edge integration structure, an assembling method and an automobile. Comprising a rim and a hub motor, the rim is of a hollow spoke-free annular structure, and a first connecting structure is arranged at the end, away from a vehicle body, of the rim; the hub motor comprises an outer rotor shell; the outer rotor shell is sleeved with the rim, a second connecting structure is arranged at the end, away from the vehicle body, of the outer rotor shell, and the end, close to the vehicle body, of the outer rotor shell is fixedly connected with the suspension. The outer rotor shell is fixed in the rim through the first connecting structure and the second connecting structure, so that the outer rotor shell is flush with the end, away from the vehicle body, of the rim. The hub motor wheel edge integration is simple in structure and convenient to assemble and use, the utilization rate of the inner space of the rim is effectively increased, the weight of a wheel assembly is reduced, space matching of the rim and the motor in the Y direction and the Z direction is more compact, arrangement of the hub motor and a suspension is facilitated, and the vehicle control performance is improved.

The utility model provides a flexible and changeable children recreational facility which comprises a game unit arranged above a base unit, the game unit comprises a plurality of guide rails connected with a frame structure, a plurality of sliding blocks sliding in the length direction of the guide rails are arranged between the guide rails, and the upper end faces of the sliding blocks and the guide rails are used for walking. The number of the sliding blocks can be set at will, the sliding blocks can slide on the guide rails at will, playing rules, themes and paths are flexible and changeable, the sense of participation of children is increased, pleasure is brought, meanwhile, parents can accompany the children to play together, make a harmony and enhance the feeling, and the parents can know traditional culture and various knowledge in the playing process, so that the children can play more conveniently. Interaction between children and parents is increased, and children can grow happily and healthily through integration of entertainment and teaching; the whole structure is stable and firm, potential safety hazards are avoided, and children and parents can play at ease; the device is simple in assembly mode and easy to operate.

The invention belongs to the technical field of mechanical design, and discloses a helicopter vibration reduction pedal which comprises an inner cylinder, a medium cylinder, an outer cylinder, a front end fixed sealing plate, a spring assembly, a counterweight assembly, an eccentric cylinder and an eccentric cylinder rotating assembly. The inner cylinder and the original pedal are coaxially and fixedly connected, the outer cylinder and the original pedal are coaxially arranged, and the front ends of the outer cylinder and the inner cylinder are connected through a front end fixing sealing plate; the medium cylinder sleeves the outer side of the inner cylinder and is coaxial with the inner cylinder, and a medium cavity is formed between the inner cylinder and the medium cylinder and is filled with a damping medium; the eccentric cylinder sleeves the outer side of the medium cylinder; a rotating shaft of the eccentric cylinder is coaxial with the medium cylinder; a counterweight assembly is arranged in the eccentric cylinder, and a spring assembly is arranged between the counterweight assembly and the medium cylinder; the eccentric cylinder rotating assembly is arranged at the rear end of the outer cylinder and connected with the eccentric cylinder to drive the eccentric cylinder to rotate.

The utility model relates to an atomizer and an atomizing device, the atomizer comprises a shell, the shell is provided with a liquid storage bin and an atomizing assembly, the shell is further provided with an atomizing cavity and a mounting cavity, and the mounting cavity is provided with a first liquid injection port communicating with the liquid storage bin and a second liquid injection port communicating with the atomizing assembly; at least part of the liquid injection part is rotatably contained in the mounting cavity, the liquid injection part is provided with a liquid injection cavity communicating with the second liquid injection opening, and the liquid injection cavity is provided with a liquid discharging opening; wherein the liquid injection part can rotate between a first angle and a second angle; when the liquid injection piece is located at the first angle, the liquid discharging opening and the first liquid injection opening are staggered to seal the first liquid injection opening; and when the liquid injection piece is located at the second angle, the liquid discharging opening is communicated with the first liquid injection opening. According to the atomizer, the first liquid injection opening can be opened to allow the aerosol generating matrix in the liquid storage bin to flow into the atomization assembly when the atomizer needs the aerosol generating matrix, so that the atomization assembly is prevented from being soaked in the aerosol generating matrix for a long time, liquid leakage can be effectively reduced, and the atomization taste can be improved.

The invention discloses an operating mechanism, a circuit breaker and electric equipment, and relates to the technical field of low-voltage apparatuses. The operating mechanism comprises a contact seat, a locking assembly and a moving contact. The locking assembly and the moving contact are connected to the contact seat. When the locking assembly acts, the moving contact is driven to be switched off or switched on through the contact seat. The operating mechanism is simple in structure and convenient to assemble.

The utility model discloses a stable connection spline shaft which comprises a shaft body, an outer spline is connected to the outer side of one end of the shaft body, first insertion holes are formed in the left end and the right end of the shaft body, inner splines are connected to the inner walls, located at the first insertion holes, of the shaft body, and a spline plate is arranged at one end of the shaft body in a sleeving mode. According to the spline shaft, elastic force is applied to the hoop plate through the spring, so that the hoop plate can cover the top of the fastener, longitudinal movement of the fastener is blocked, the fastener is not prone to loosening, the connecting strength of the spline plate and the shaft body is improved, the spline shaft has high stability when used, and the whole assembling mode is simple, easy to operate, time-saving and labor-saving. Furthermore, the external spline is meshed with the external spline hole, and the internal spline is meshed with the internal spline groove, so that the connection between the shaft body and the spline plate is more stable, the mechanical torque capable of being transmitted is larger, the tooth breakage condition is avoided, and the use of the spline shaft is facilitated.

The utility model discloses a car lamp structure convenient for the installation of decorative frame and thick-wall light guide, including decorative component and thick-wall light guide structure, decorative component includes first decorative frame and second decorative frame, thick-wall light guide structure is provided on the first decorative frame, thick-wall light guide structure is provided on the second decorative frame, thick-wall light guide structure is provided on the second decorative frame. The first decorative frame is suitable for fixing the thick-wall light guide structure so that the thick-wall light guide structure can be positioned and fixed through the first decorative frame, and the second decorative frame is suitable for fixing the first decorative frame so that the first decorative frame can be positioned and fixed through the second decorative frame. The thick-wall light guide structure and the first decorative frame as well as the first decorative frame and the second decorative frame are sequentially mounted and fixed, so that an integral structure of the lamp is formed, and when the thick-wall light guide structure, the first decorative frame and the second decorative frame are mounted and fixed, a support in a conventional mounting and fixing scheme is omitted, and a combination of the first decorative frame and the second decorative frame is adopted for replacement; therefore, the lamp structure formed by assembling does not have appearance problems such as black lines, and the assembling mode is simple and fast.

This utility model discloses a water heater repair cover and a water heater. The water heater repair cover includes a first cover body and a second cover body. The first cover body has a first mating end with an insertion slot and a fastener located in the insertion slot. The second cover body has a second mating end with an insertion long side, a fastening hole on the insertion long side, and a support structure. The insertion long side is inserted into the insertion slot to achieve an insertion fit in a first direction, and the fastener is inserted into the fastening hole to achieve a fastening fit in a second direction. The water heater repair cover provided by this utility model includes a split design of the first cover body and the second cover body, and adopts an assembly method combining insertion and fastening, which simplifies the assembly method, reduces manufacturing costs, and improves appearance quality. Furthermore, by using a support structure that extends into the insertion slot and is supported on the inner wall surface forming the insertion slot, it can prevent the first cover body or the second cover body from collapsing, thereby improving assembly stability.

The utility model relates to the field of circuit boards, in particular to a short circuit prevention circuit board for energy storage equipment, a circuit board body is mounted on an external mounting part, mounting cavities are vertically formed in corners of the circuit board body in a penetrating manner, and mounting columns corresponding to the mounting cavities are fixedly arranged above the mounting part in an adaptive manner; a rotating column is rotationally arranged on the circuit board body and located above the mounting cavity, an adjusting cavity is formed in the bottom of the rotating column, and limiting pieces are fixedly arranged on the two sides of the bottom of the inner wall of the adjusting cavity. According to the utility model, through the mutual clamping between the limiting piece in the rotating column and the limiting cavity in the mounting column, the fixed assembly of the circuit board body can be realized, the assembly mode is simple and convenient, short circuit caused by the contact between the bolt and the circuit board body in the assembly process is avoided, and the use of workers is facilitated.

This utility model discloses a stator assembly and a motor. The stator assembly includes: a mounting frame; a winding disposed on the mounting frame and having a connecting lead at one end, the connecting lead having an insulating layer on its surface; and an electrical connector disposed on the mounting frame and forming a limiting groove, the limiting groove being adapted to receive a portion of the connecting lead, the limiting groove having a piercing portion adapted to contact the insulating layer to pierce the insulating layer, thereby electrically connecting the electrical connector to the connecting lead. The stator assembly designed according to this utility model, by designing a limiting groove in the electrical connector to limit the movement of the connecting lead, and by designing a piercing portion in the limiting groove, allows the electrical connector to pierce the terminal during installation onto the mounting frame, thereby electrically connecting the connecting lead to the electrical connector. This reduces the assembly time between the connecting lead and the electrical connector, improving motor manufacturing efficiency.

A combined floating mat structure for mounting a water pump comprises a water guide pipe fixedly connected with the water pump, a mounting flange is fixedly arranged on the outer wall of the water guide pipe, a mesh enclosure assembly covering the water pump is fixedly arranged at the bottom of the mounting flange, and a plurality of mounting plates distributed in a circumferential array are fixedly arranged at the top of the mounting flange. Buoys are fixedly arranged at the top of the mounting plate, and splicing structures matched with the adjacent buoys are fixedly arranged at the two ends of each buoy; a water pump and a plurality of buoys are installed on an installation flange to form a floating mat assembly, the number requirement of the water pump needed in different scenes is met by selecting the number of the floating mat assemblies, and the requirement for the distance between the water pumps in the different scenes is met by selecting the buoys with different lengths. The length specification of the mesh enclosure assembly is changed by increasing or decreasing the number of the mesh enclosure shaft sections so as to meet the protection requirements of water pumps of different specifications, the assembly mode is simple, and the water pumping requirements of various different scenes can be met.

The utility model provides a prefabricated bridge pier template splicing structure which comprises a first arc template and a second arc template, the first arc template and the second arc template are connected through a first connecting piece, and supporting pieces are arranged on the outer side faces of the first arc template and the second arc template. Arc-shaped limiting grooves are formed in the upper surface of the first arc-shaped formwork and the upper surface of the second arc-shaped formwork, arc-shaped bridge pier frames are embedded in the first arc-shaped formwork and the second arc-shaped formwork, the arc-shaped bridge pier frames at the left end and the right end are connected through second connecting pieces, and arc-shaped limiting plates are arranged on the lower surfaces of the arc-shaped bridge pier frames; the arc-shaped limiting plate is embedded into the arc-shaped limiting groove; according to the utility model, pier template assembly can be realized.

The application discloses a wind wall device and a heat exchange unit, and the wind wall device comprises at least multiple groups of outer frames, and a fan is arranged in each group of the outer frames; a connecting strip is fixedly connected to the top and the left side of each outer frame, and a limiting opening is formed in the connecting strip; a connecting groove is formed in the right side and the bottom of each outer frame, and the connecting groove is matched with the connecting strip, so that two adjacent outer frames are integrated by the connecting groove and the connecting strip; a limiting structure is arranged at the lower right corner of each outer frame, and when two adjacent outer frames are integrated by the connecting groove and the connecting strip, the limiting structure of one outer frame is inserted into the limiting opening of the other outer frame. The technical scheme provided by the application can facilitate quick disassembly and assembly according to the required quantity, and is convenient for transportation.

The invention relates to the technical field of range hoods, and discloses a range hood and a control method and a control device thereof. And the fan module is installed on the range hood main body and located at the front end of the smoke collecting cavity, the fan module is provided with a top air inlet and a front side air outlet, and the fan module comprises a fan. The fan module is installed on the range hood body, located at the front end of the smoke collecting cavity, provided with the top air inlet and the front side air outlet and comprises the fan, when the temperature of a kitchen is high, the fan module works, air enters from the top air inlet and is blown to a user from the front side air outlet, the user feels cool, and the user experience is improved. And the cooking experience is improved. And the fan module is mounted at the front end of the smoke collecting cavity, so that the overall height of the range hood is not increased.

The utility model provides a kind of heating body structure, including heating wire, heat conductor and shell, the heat conductor has first heat conduction part and second heat conduction part, the first heat conduction part is closely attached with the upper inner wall of shell, the second heat conduction part is closely attached with the lower inner wall of shell, the heat conductor is attached with the inner wall of shell by two heat conduction surfaces, improve heat conduction efficiency, the heating of shell is also more uniform, can improve the effect of towel drying.

The utility model relates to the technical field of steel reinforcement framework assembly, aims at solving the problem of arc component steel reinforcement assembly by using traditional flat plate type steel reinforcement assembly mode, and process is complicated, and efficiency is low, and the steel reinforcement assembly quality cannot be guaranteed, and the product quality is influenced, provides an arc component steel reinforcement assembly device, including main body support, a plurality of arc plates are fixedly connected on main body support, and the plurality of arc plates are arranged at intervals, main body support includes two rows of support stand, and the top of each column of support stand is fixedly installed with a piece of steel reinforcement positioning plate respectively, two pieces of steel reinforcement positioning plate are oppositely arranged, and the arc plate is fixedly connected on two pieces of steel reinforcement positioning plate, and the plurality of arc plates are arranged at intervals along the length direction of steel reinforcement positioning plate, the upper portion of steel reinforcement positioning plate is provided with a plurality of first steel reinforcement positioning groove, and the groove is used for placing arc steel reinforcement, the upper portion of arc plate is provided with a plurality of second steel reinforcement positioning groove, and the groove is used for placing longitudinal steel reinforcement, the utility model can improve the assembly efficiency and guarantee the assembly quality.

The utility model relates to the technical field of aluminum alloy doors and windows, in particular to an assembly type aluminum alloy door and window. The window comprises a window frame, baffle assemblies and a driving mechanism, a containing cavity is formed in the window frame, an assembling opening is formed in the middle of the window frame in a surrounding mode, channels communicated with the containing cavity are symmetrically formed in the four corners of the assembling opening, and the baffle assemblies used for limiting glass from the two sides of the glass are movably arranged on the inner sides of the channels; the driving mechanism is used for driving the baffle assembly to switch positions. The window frame and the glass are of a separated assembly structure, the baffle assembly is arranged in the window frame through the driving mechanism, the baffle assembly is driven to extend out of the inner side of the window frame through cooperation of the two-way screw, the nut pair and the manual assembly, and therefore the glass is limited in an assembly opening of the window frame from the four corners of the two sides of the glass. If the glass is damaged or needs to be replaced, the glass can be independently replaced, the whole door and window do not need to be replaced, and the cost is low.

The utility model relates to the technical field of tunnel construction, in particular to a super-large section road assembly type arched tunnel structure which comprises an arched beam, wedge grooves are symmetrically formed in the front surface of the arched beam, an arc-shaped cavity is formed in the arched beam, arc-shaped holes are symmetrically formed in the rear surface of the arched beam, and wedge blocks are slidably installed in the two arc-shaped holes. A cavity is formed in the arched beam, arc-shaped guide rails are symmetrically and fixedly installed in the cavity, the arc-shaped guide rails are sleeved with moving blocks in a sliding mode, check blocks are fixedly installed at one ends of the arc-shaped guide rails, arc-shaped spring rods are fixedly installed on the moving blocks, a pulling assembly is arranged on the arched beam, and a transmission assembly is arranged on the moving blocks. According to the utility model, through the mutual cooperation of the pulling assembly, the transmission assembly, the moving block, the arc-shaped guide rail and the stop block, the wedge block can be accommodated in the arc-shaped hole, and then the wedge block is inserted into the wedge groove, so that the assembly and disassembly of the arched girder in the vertical direction can be realized, and the assembly mode is very convenient.

The utility model relates to the technical field of molecular sieves, and provides a forming extrusion device for processing a carbon molecular sieve, which comprises a support table and an extrusion sleeve arranged on the support table, an extrusion screw rod for conveying raw materials is rotatably mounted in the extrusion sleeve, and a feed hopper for feeding the raw materials is arranged on the extrusion sleeve. A driving assembly used for driving the extrusion screw to rotate is arranged on the supporting table, an extrusion mold is arranged at one end of the extrusion sleeve, a splicing mechanism used for splicing is arranged on the extrusion mold, the splicing mechanism comprises a rotary knob arranged at one end of the extrusion mold, and a threaded sleeve fixedly connected with the rotary knob is installed at one end of the extrusion mold in a threaded mode; a sliding groove is formed in the threaded sleeve. According to the utility model, through the arrangement of the assembly mechanism, the extrusion dies with different specifications can be replaced as required, the assembly mode is simpler, the time consumed during assembly and disassembly is less, and the replacement efficiency of the extrusion dies is conveniently improved.

The invention provides a transmission device. The transmission device comprises a base body and a plurality of driving modules arranged in the base body. Each driving module comprises a first transmission set, a linkage piece, a second transmission set, a third transmission set, a gear set and a driving motor. The first transmission set comprises a sliding rail and a sliding table movably arranged on the sliding rail, and the sliding table is fixed to the inner surface of the base body so that the sliding rail can reciprocate along a straight line relative to the sliding table. The linkage piece is fixed to the sliding rail and provided with a sliding shaft. The second transmission set comprises a screw and a nut movably arranged on the screw, and the nut is fixed to the sliding rail. The third transmission set comprises a worm and a worm gear which are meshed with each other, and the worm gear is connected to one end of the screw. The gear set is connected to the worm. The driving motor is provided with a driving shaft, and the driving shaft is connected to the gear set. Therefore, the effects of reducing the influence of the assembly error of the assembly and improving the precision are achieved.