294 results about "Changing equipment" patented technology

The invention relates to the technical field of engineering machinery manufacturing, in particular to an excavator part machining treatment device which comprises a fixing base, a support is fixedly connected to the fixing base, a driving mechanical arm capable of driving horizontal two-dimensional motion is installed at the top of the inner side of the support, and a sliding disc is fixedly connected to the lower end of the driving mechanical arm. The bottom face of the sliding disc is fixedly connected with a driving cylinder, and the lower end of the driving cylinder is fixedly connected with an inverted-U-shaped frame. According to the excavator part machining treatment device, three core procedures of drilling, inner wall grinding and end face grinding are integrated, through cooperative control of the driving mechanical arm, the driving air cylinder and the motor, full-process part machining can be completed without equipment replacement or repeated clamping, the part transferring and positioning time is effectively shortened, and the machining efficiency is improved. The problem that traditional step-by-step machining is low in efficiency is solved, and the machining efficiency is improved.

The invention relates to the technical field of cooling fin machining, and discloses a corner cutting device for cooling fin machining, which comprises a frame body, the top of the frame body is provided with a transfer positioning module for fixing, angle adjusting, angle positioning and station transferring of a cooling fin main body, and a cutting module arranged in the frame body is arranged below the transfer positioning module. The cutting module is used for carrying out corner cutting operation on a cooling fin main body, a discharging module arranged on the frame body is arranged on one side of the cutting module, and the discharging module is used for directionally discharging waste materials. The full-automatic continuous operation from workpiece fixing, multi-angle cutting to waste collecting is achieved, the waiting time between procedures and the manual intervention cost are effectively reduced, and the overall efficiency and precision stability of cooling fin corner cutting machining are remarkably improved.

The utility model discloses a quick release type cloth cutting device which comprises a machine frame and a conveying roller installed on the machine frame, the conveying roller is connected with a driving motor on the machine frame, the quick release type cloth cutting device further comprises placing openings symmetrically formed in the machine frame, an installation rod used for loading a cutting knife is arranged on the machine frame, clamping grooves are formed in the two ends of the installation rod, and the clamping grooves are connected with the conveying roller. And when the mounting rods are located in the corresponding placing openings, the mounting rods are locked through the limiting pieces. According to the utility model, through the accurate matching of the clamping groove and the arc-shaped bulge, the quick locking structure of the hinged arc-shaped plate and the magnetic buckle, and the automatic butt joint design of the inserting sleeve driven by the electric track, the complex operations of traditional bolt fixation and manual push-pull positioning are abandoned, and the primary positioning and secondary butt joint of the mounting rod can be completed without a special tool; and the downtime of cutting knife replacement and equipment maintenance is shortened, the operation difficulty of operators is reduced, and the production continuity and the operation convenience can be improved to a certain extent.

The utility model belongs to the technical field of gravure roller detection, and particularly relates to gravure roller detection equipment, which comprises a bottom plate, the bottom plate is mounted on external equipment, an adjusting mechanism is arranged on the bottom plate, and the adjusting mechanism comprises an adjusting seat, a moving sleeve, a bearing plate, a roller, a fixing sleeve, a fixing mechanism, a middle rod, a spring, an insertion rod and a driving mechanism. The adjusting base is installed on the bottom plate, the movable sleeve is slidably connected to the adjusting base, the multiple bearing plates are symmetrically installed on the movable sleeve and the adjusting base respectively, each bearing plate is fixedly installed on the corresponding fixing sleeve, and the adjusting mechanism is adjusted through ingenious cooperation of the adjusting base, the movable sleeve, the bearing plates, the rolling wheels, the lead screws and the threaded plates. Flexible adaptation to gravure rollers of different sizes is achieved, the distance between the rolling wheels is adjusted by rotating the handle so as to adapt to the gravure rollers of various specifications, the universality and adaptability of the device are greatly improved through the design, the requirement for replacing the device is reduced, and the detection efficiency is improved.

The utility model relates to leisure table technical field discloses a cable can hide formula leisure table, including the table board, the inside of one side of table board is provided with the baffle, the bottom of table board is provided with the supporting plate, the bottom fixedly connected with supporting column has of supporting plate, the outside fixedly connected with first support rod has of supporting column, the bottom fixedly connected with first connecting rod has of first support rod, the bottom fixedly connected with antiskid pad has of first connecting rod, the inside of supporting plate is provided with supporting assembly, the outside of supporting assembly sets up in the inside of the other side of table board, supporting assembly includes protection shell, the outside of protection shell one side sets up in the inside of supporting plate, in the utility model, through the rotation of the rotating rod drives second connecting rod and threaded column to rotate upwards, finally realizes the purpose of replacing table board, when the baffle can be easily opened, the user can comb the winding cable at any time, replaces the equipment plug, avoids the maintenance because of the baffle difficult to open and gives up.

The utility model is applicable to the technical field of zip-top can production, and provides a shrinking and turning device for aluminum zip-top can production, which comprises a workbench, a support table is arranged on one side of the workbench, and a fixing component is arranged at the bottom of the support table; according to the pop-top can fixing device, aluminum pop-top cans can be rapidly and stably fixed, the four connecting blocks are matched with the second hydraulic telescopic rods, and self-adaptive fixing of pop-top cans with different heights can be achieved by adjusting the telescopic lengths of the second hydraulic telescopic rods according to the heights of the pop-top cans with different specifications; the function breaks through the limitation that a traditional shrinking and turning device is only suitable for zip-top cans of specific specifications, so that the equipment can meet the production requirements of the zip-top cans of various specifications without large-scale transformation or replacement, the cost generated by equipment replacement of enterprises is reduced, the universality and the utilization rate of the equipment are improved, and compared with a traditional fixing mode, the production efficiency is improved. The design does not need to manually and frequently adjust the fixing part, and the production efficiency is greatly improved.

The utility model discloses non-woven fabric manufacturing, processing and reloading equipment, hydraulic telescopic rods are symmetrically and fixedly installed at the two ends of the top of a base, and a lifting frame is fixedly installed between the top ends of the two corresponding hydraulic telescopic rods. When one winding shaft changes materials, the other winding shaft continues to wind the non-woven fabric, double-station non-stop operation is achieved, the stop waiting time is shortened, the working efficiency is effectively improved, the heights of the two winding shafts can be adjusted through matched use of the hydraulic telescopic rods and the lifting frames, and the working efficiency is improved. According to the non-woven fabric winding device, the height difference occurs between winding shafts in two different working states of material changing and winding, the position is low during material changing, material changing by workers is more convenient, non-woven fabric pulled by winding is located at the high position, the material changing operation of the workers on one side cannot be affected, and the operation convenience is improved.

This utility model belongs to the technical field of cleaning equipment, specifically a wafer cassette and wafer basket cleaning device, including a base plate; its characteristic is that: a groove is formed on the top of the base plate, a base is fixedly connected in the groove, and fixed plates are fixedly connected to both sides of the base. Through the combination of a first lifting plate and a second lifting plate, and the sliding of a sliding block on a limiting shaft, the nozzle can be flexibly adjusted in the vertical and horizontal directions, which can adapt to the cleaning needs of wafer cassettes and wafer baskets of different sizes and shapes. It can meet diverse cleaning tasks without changing equipment parts, improving the versatility and efficiency of the equipment. The push plate can push the wafer cassette and wafer basket to move under the drive of the linkage mechanism. With the cleaning fluid sprayed by the nozzle, all parts of the wafer cassette and wafer basket can be thoroughly cleaned, effectively avoiding cleaning dead corners, improving the cleaning effect, and ensuring the cleanliness of the wafer cassette and wafer basket.

The invention provides a double-end single-wire shell inserting machine of a two-to-four wire harness connector, and belongs to the technical field of shell inserting machines. Comprising a rack, and a front insertion shell assembly and a rear insertion shell assembly arranged on the front and rear sides of the upper surface of the rack; each of the front plug shell assembly and the rear plug shell assembly comprises a mounting plate, an unwinding assembly which is fixedly mounted on the mounting plate and is used for releasing a terminal material belt, a stripping and feeding assembly which is used for providing and processing a flat cable, a waterproof bolt mounting assembly which is used for improving the waterproof performance, and a terminal pressing assembly which is used for pressing a terminal on the head of the flat cable; the shell inserting assembly is used for inserting the head of the flat cable provided with the terminal into a rubber shell; the rubber shell feeding assembly is used for providing the rubber shell; and the cable moving assembly is used for moving the flat cable. According to the invention, the two terminal pressing assemblies are arranged, so that different types of terminals can be flexibly pressed and connected, the wire storage groove is used for temporarily storing flat cables, the continuous shell insertion operation of the shell insertion assembly is realized, equipment does not need to be replaced, the production efficiency of the shell insertion machine is improved, and the application range of a product is widened.

The utility model provides a saw changing mechanism for a sawing machine, which belongs to the technical field of sawing machine saw changing equipment and comprises a supporting plate, a movable column is mounted at the axis of the supporting plate, a hexagonal block is fixedly connected to the end of the movable column, a plurality of groups of connecting pipes are mounted on the supporting plate, suckers are arranged at the ends of the connecting pipes, and a connecting piece is further fixedly connected to the supporting plate. The connecting pipe and the suction cup are arranged on the supporting plate, the supporting plate is adsorbed on the saw blade through the action of the suction cup, and therefore the rotation direction of the saw blade is consistent with the rotation direction of the supporting plate; and anticlockwise force can be applied to the saw blade by applying anticlockwise force to the supporting plate by holding the grip, so that the hand of an operator is prevented from being in direct contact with the saw blade, the risk of hand injury is reduced, and the problem that the hand of the operator is easily injured when the saw blade is mounted in the prior art is solved.

An automotive repair assist cart configured to centralize oil changing equipment and processes, to eliminate service wastes and hazards associated with material handling and movement, thereby optimizing oil changes, is disclosed herein. The automotive repair assist cart comprises a cart frame including storage features such as shelving and tool holders and a drain tray, a drain tray coupler assembly, an fluid retention tank mount, an oil drain tank assembly, a parts washer mount, and a removable parts washer. The drain tray is configured to permit oil drained from parts contained therein into the oil drain tank assembly via the drain tray coupler assembly. The oil drain tank assembly is configured to catch oil drained from a vehicle and is mounted on. the cart frame with the fluid retention tank mount. The removable parts washer is configured for washing parts therein, and is mounted to the cart frame with the parts washer mount.

The utility model belongs to hydraulic control technical field, concretely relates to a trolley multi-vehicle type servo automatic switching mechanism, including base, detection device, drive arrangement and switching mechanism, detection device, drive arrangement and switching mechanism all install on the base. This trolley multi-vehicle type servo automatic switching mechanism can realize the collinear production of multiple vehicle types on the same set of equipment, need not to configure trolley positioning mechanism alone for different vehicle types, greatly reduced the equipment investment cost, saved the workshop space reserved due to the replacement of equipment simultaneously, improved the land utilization of factory area.

The utility model discloses a handle structure, a grab handle structure and an electrical box body, and belongs to the technical field of power change equipment, the handle structure is used for installing the electrical box body, and the electrical box body is provided with assembling parts which are oppositely arranged; the handle structure includes: a first body; the first connecting pieces are arranged on the two sides of the first body at intervals, and the first connecting pieces are matched with the assembling parts; the minimum distance between the opposite end faces of the assembling parts is smaller than the maximum distance between the two first connecting pieces. In this way, after the handle structure and the assembling part are connected, the handle structure can serve as a good acting point, the electrical box body can be conveniently moved by pulling the first body of the handle structure, and therefore the electrical box body can be conveniently lifted to a certain height and rapidly installed on the corresponding installation plate, and the installation efficiency is improved. And the installation difficulty of the electrical box body is reduced.

The invention belongs to the technical field of tunnel construction machinery, and particularly relates to a wet spraying trolley scraper knife mechanism which comprises a rotary flange seat used for being connected with the tail end of a trolley arm frame, a rotary speed reducer and a swing oil cylinder are assembled on the rotary flange seat, the rotary speed reducer is in transmission connection with a scraper knife arm, one end of a variable-amplitude oil cylinder is hinged to the scraper knife arm, and the other end of the variable-amplitude oil cylinder is hinged to the swing oil cylinder. A hob support is hinged to the end, away from the rotary flange base, of the scraper knife arm. The shovel blade mechanism is directly arranged at the front end of the arm frame of the wet spraying trolley, seamless connection can be achieved for cleaning operation after concrete spraying is completed, equipment does not need to be replaced, the construction efficiency is greatly improved, the operation procedure connection time is shortened, and the construction continuity and the overall efficiency are greatly improved; and through the synergistic effect of the swing oil cylinder, the rotary speed reducer and the variable-amplitude oil cylinder, the hob has multiple degrees of freedom, all-directional and small-range fine cleaning operation can be achieved, and the ultra-poor concrete treatment requirements of different positions are met.

The present application belongs to the technical field of hoisting equipment of metallurgical production line, more particularly, especially relates to a kind of adjustable device and use method of hoisting equipment in restricted space.The adjustable device includes hoisting device, fixing device, adjusting device and lifting rope, the side of fixing device is provided with hoisting device, adjusting device is fixed on fixing device, and hoisting device can be moved along adjusting device to adjust hoisting range, and lifting rope is arranged on hoisting device to complete the lifting of mechanical equipment.The present application has the advantages and positive effects that: by using the above technical scheme, the large-angle, low-distance unsafe hoisting form of steel wire rope in the prior art is replaced, the combined adjustable hoisting device for directly disassembling and assembling equipment can carry out the installation and disassembly of large equipment in the restricted space, improve the safety of construction and the efficiency of rapid equipment replacement in production process, and can be repeatedly used to improve the economic practicability of hoisting device.

The invention belongs to the technical field of instrument processing, discloses a narrow cavity cleaning and detecting integrated device and a using method thereof, and solves the technical problems that in the prior art, cleaning and detecting equipment for a narrow cavity is difficult to reach all areas in a cavity, and the detecting function and the cleaning function are separated. The device comprises an external connection plate, one end of the inner rod is rotatably and movably mounted on the external connecting plate; the inner rod is sleeved with the outer rod, and the outer rod is rotationally installed on the outer connecting plate; the cleaning assembly is hinged to the outer rod; the detection assembly is hinged to one end of the outer rod; and the driving assemblies comprise the first driving assembly and the second driving assembly which are used for driving the other ends of the cleaning assembly and the detection assembly to rotate correspondingly. Therefore, through cooperation of the driving assembly, the cleaning assembly and the detection assembly, cleaning and detection of the cavity can be achieved without replacing equipment, meanwhile, the posture of the cleaning assembly and the posture of the detection assembly are convenient to adjust, the purpose of adapting to different cavities is achieved, and therefore the probability of being interfered is reduced.

The utility model provides a worm gear and worm detection device, which relates to the technical field of detection devices and comprises a bottom plate, a first wedge-shaped chute, a worm storage side plate, a worm, a worm pressing and fixing mechanism, a back plate, a strip-shaped through hole, a connecting block, an internal thread cylinder, a worm gear internal support fixing piece, a worm gear, a first screw and a load rod. Through cooperative use of the devices, the device detects the meshing degree of the worm gear and the worm, the self-locking performance of the worm gear and the worm and the load capacity of the worm gear and the worm, multiple performance of the worm gear and the worm can be detected on the same device, and the problem of tedious operation caused by equipment replacement is avoided.

The utility model relates to the technical field of film laminating machines, in particular to self-adaptive adjusting type film laminating equipment which comprises film laminating equipment, and two movable assemblies are arranged at the top of the film laminating equipment; the movable assembly comprises a rotating block rotationally connected with the film covering equipment. The film laminating roller has the advantage of automatic adjustment, in the actual use process, a user sleeves the surfaces of the positioning plates with film rolls, then the positioning plates are driven to expand or contract at the same time under the cooperative work of the structure to adapt to the film rolls of different models or specifications, the traditional complex step of replacing the film laminating roller is simplified, and the film laminating efficiency is improved. Compared with the prior art, stability and accuracy of the film roll in the machining process are guaranteed, the device can cope with film rolls of standard specifications or non-standard specifications easily, equipment replacement or complex adjustment work does not need to be carried out, and production efficiency and adaptability are remarkably improved.

The application provides a carrier automatic replacement device, which comprises a product taking and placing mechanism and a carrier transfer mechanism arranged on one side of the product taking and placing mechanism; the product taking and placing mechanism comprises a vacuum lifting assembly, a carrier, first and second guide rails which are oppositely arranged below the carrier, and an auxiliary transfer platform arranged above the carrier; the carrier is provided with at least two placing stations; the auxiliary transfer platform is used for clamping and transferring an aluminum substrate placed in the carrier; the carrier transfer mechanism comprises a driving unit, a third guide rail, a sliding block, a screw rod and a clamp; the driving unit is fixedly connected with one end of the screw rod, the screw rod is in transmission connection with the sliding block, the sliding block is slidably arranged on the third guide rail, and the clamp is fixed on the sliding block; the end of the clamp is respectively located on the upper surface of the carrier and the lower surface of the carrier, and the clamp is closed or opened to realize clamping or loosening of the carrier. The carrier automatic replacement device is convenient to replace the carrier, has good automation effect and high production efficiency.

The utility model relates to novel straddle type monorail three-section track changing equipment which can meet the requirement for efficient track changing of multi-turnout vehicles in a station yard and save space and comprises a bottom plate, a track and a locking device, the track is located on the bottom plate, a walking trolley is located on the track, and a plurality of turnout beams are located on the walking trolley. One end of the turnout beam is provided with a piled beam and a slewing device, the other end of the turnout beam is provided with a plurality of piled beams, a slewing crank arm mechanism is arranged at the bottom of the turnout beam, rollers on the slewing crank arm mechanism do linear motion in a fixed bottom plate and a guide groove in a track, and the slewing crank arm mechanism is driven by a driving device. The method has the advantages that the problem that the vehicle base space is limited is solved, and the requirement for small-space vehicle base route planning is met; signal receiving and safety feedback requirements are met, and the characteristics of linkage interlocking, flexible action, safety, reliability and the like are achieved; narrow space of a parking lot is fully utilized, the structure is compact, and functions are complete; and fourthly, the part design has good manufacturing manufacturability, and the manufacturing cost is favorably controlled.

An apparatus for mounting and demounting a tyre relative to a corresponding wheel rim, wherein the apparatus includes: a wheel-holder unit, configured to receive and lock the wheel at an operating position and to set it in rotation about an axis of rotation; a plurality of tools, configured to interact with the tyre to mount and / or demount the tyre; a hydraulic circuit comprising a pump; a plurality of hydraulic actuators, connected to the hydraulic circuit; the hydraulic circuit is configured to drive the actuators of the plurality of actuators synchronously.

The application discloses a multifunctional variable modular combined impregnation composite system, which comprises a creel, a yarn spreading device, a plurality of impregnation roller devices, a plurality of heating plates, two sets of cold and hot plates, a cooling plate, a traction roller, a film coating roller, a plastic film unwinding mechanism, a plastic film winding mechanism, a release paper winding mechanism, a plastic film unwinding mechanism, a cutting device and a finished product winding mechanism. The yarn is impregnated by the impregnation roller device to form a material, the upper surface of the material is attached to the plastic film released by the plastic film unwinding mechanism and is pressed by the film coating roller, and the material after being pressed by the film coating roller is trimmed and lengthened by the cutting device. The multifunctional variable modular combined impregnation composite system disclosed by the application can realize the production equipment for fully covering the thickness (gram weight) of the composite material (for example, 10gsm-2000gsm), has the advantages of modular combination, can simultaneously and flexibly replace the functional configuration of the equipment, realizes the diversification of the equipment functions and realizes one machine with multiple functions.

The utility model discloses a pump head detection device based on self-adaptive limiting feeding, relates to the technical field of pump head detection, and aims to solve the problems that the pump head detection device is only adaptive to a pump head with a specific size and cannot be adjusted, the pump head detection device comprises a feeding machine, a plurality of adjusting and adapting assemblies are arranged in the feeding machine, and each adjusting and adapting assembly comprises a telescopic driving rod. Two symmetrical limiting rods are arranged at the front end of the telescopic driving rod, a moving plate is fixedly connected to the front end of the telescopic driving rod, the inner side of the moving plate is movably connected with the outer sides of the symmetrical limiting rods close to the telescopic driving rod, and symmetrical arc-shaped fixing plates are movably connected to the outer sides of the limiting rods; and one side of one arc-shaped fixing plate is fixedly connected with a buffer spring. The pump head detection device based on self-adaptive limiting feeding disclosed by the utility model can be adjusted according to the size of the pump head, can adapt to pump heads of various dimensions, improves the universality of a feeder, and reduces the cost of replacing equipment due to the change of the size of the pump head.

The application relates to a starting end processing device and a roll changing equipment. The starting end processing device is used for lifting a starting end of a standby material roll, and the starting end processing device comprises a lifting assembly, which comprises a clamping mechanism with a clamping space and a blowing mechanism which blows air towards the clamping mechanism and the standby material roll to blow the starting end of the standby material roll into the clamping space; wherein the clamping mechanism is configured to controllably clamp the starting end of the material roll entering the clamping space. The starting end processing device can automatically lift the starting end of the standby material roll, reduces labor cost, improves the automation degree of the roll changing equipment, and is beneficial to improving production efficiency and the stability of production quality.

The utility model relates to the field of tire changing equipment, concretely to a quick tire changing support for solving the problem of easy dumping in tire transfer. The support includes two sleeves and a pipe, the pipe is inserted into the sleeve to form an extensible framework, and the two ends of the sleeve are welded with inclined square tubes. A second support member that can slide and bend is arranged in the square tube, and cooperates with a first support member at the top of the sleeve to clamp both sides of the tire. A lifting mechanism with support rollers is arranged on both sides of the support, and a screw rod mechanism for adjusting the distance between the square tubes is arranged between the sleeves. During use, the support rollers lift the tire by driving the screw rod with a rocker, and the second support member and the first support member are unfolded to lock the position of the tire. The device can avoid manual support, prevent the tire from dumping, reduce the operation risk, and is suitable for the dismounting and transfer of agricultural machine tires.

The utility model discloses an acrylic plate double-side film pasting device which comprises a rack, a film pasting roller and an adjusting assembly, the adjusting assembly comprises installation holes which are formed in the rack and correspond to the positions of the two sides of the film pasting roller, vertical guide columns are arranged in the installation holes, the guide columns are sleeved with sliding blocks in a sliding mode, and the sliding blocks are connected with the film pasting roller in a sliding mode. The shaft ends of the two sides of the film feeding roller are rotationally arranged on sliding blocks, a fixing frame is arranged at the ends, away from the film feeding roller, of the sliding blocks, an electric telescopic rod is further arranged on the rack, and the output end of the electric telescopic rod is connected with the fixing frame. The position of the film feeding roller can be adjusted according to the thickness of an acrylic plate to be processed through the adjusting assembly, so that the same equipment can be used for products of various specifications, different film pasting equipment does not need to be prepared for the plate of each thickness, the plates of different thicknesses can be rapidly switched and processed without replacing the equipment, and the production efficiency is improved. The downtime is reduced, and the overall efficiency of a production line is improved.

The utility model provides an injection molding machine for producing a battery jar, and belongs to the technical field of injection molding. The device comprises a bottom plate, a device body fixedly connected to the surface of the bottom plate, a supporting frame slidably connected to the surface of the bottom plate, a nozzle fixedly connected to the surface of the device body and an adjusting assembly, and the adjusting assembly comprises a conveying pipe, a rotating disc, a limiting arc-shaped groove, a fixing disc, a limiting groove, a second motor, a four-way pipe, a containing disc and a fixing part. By means of the design, the problem that the distance between the conveying pipes in a traditional injection molding machine cannot be adjusted is successfully solved, a production line can flexibly cope with battery jar molds of various sizes, equipment does not need to be replaced or reconfigured, the production efficiency is improved, and the production cost is reduced. And the production flexibility and economic benefits are greatly improved.

This invention discloses a dual-mode gearbox structure and method, belonging to the field of automated assembly technology. It includes a power input shaft, a mode-switching output shaft, a reduction gear train, a splined floating tightening head, and a pneumatic brake lock. In gear transmission mode, the power input shaft drives the splined floating tightening head to rotate continuously and adaptively float axially via the reduction gear train, completing the capping of nuts or the screwing in of bolts. In swing tightening mode, the power input shaft is brake-locked, and the pneumatic brake lock locks the mode-switching output shaft. The entire gearbox is driven by an external C-shaped swing arm to reciprocate and apply tightening torque. The two modes automatically switch without requiring equipment changes, satisfying the need for large-stroke tightening while avoiding overload damage to small-sized gears, significantly improving assembly efficiency and torque accuracy.

The utility model discloses a plastic cutting device which comprises a working table, two electric sliding rails, two angle adjusting assemblies, two cutting mechanisms and a pressing mechanism, the two electric sliding rails are arranged on the two sides of the top face of the working table respectively and connected with moving plates, a top plate is connected between the top ends of the two moving plates, and the two angle adjusting assemblies are arranged on the top plate. The two movable plates are connected with fixed plates, a first electric push rod is arranged on the bottom face of the top plate, the piston end of the first electric push rod is connected with a lifting plate, each angle adjusting assembly comprises a rack, a gear, a rotating shaft and a fixing sleeve, the racks are connected with the lifting plates, the gears are meshed with the racks, the rotating shafts are rotationally connected with the fixed plates, the gears are arranged on the rotating shafts, and the fixing sleeves are arranged on the rotating shafts. The fixing sleeve is arranged on the rotating shaft. Therefore, the cutting angle can be flexibly adjusted, different cutting requirements are met, equipment does not need to be replaced, and therefore the production cost is reduced.