101results about How to "Small size error" patented technology

The invention relates to the technical field of anti-deformation machining of thin-walled cylinders, and discloses an intelligent anti-deformation machining device for a thin-walled cylinder and a using method of the intelligent anti-deformation machining device. The device comprises a base, a supporting mechanism, a clamping height adjusting mechanism, a self-adaptive clamping mechanism and a positioning clamping head, the clamping height adjusting mechanism is arranged on the base, the supporting mechanism is arranged on the periphery of the clamping height adjusting mechanism, and the self-adaptive clamping mechanism is arranged on the clamping height adjusting mechanism and located above the supporting mechanism. A positioning clamping head is arranged on the self-adaptive clamping mechanism, and a displacement sensor and a pressure sensor are arranged on the self-adaptive clamping mechanism and the positioning clamping head respectively; according to the using method, the height of the self-adaptive clamping mechanism is adjusted through the clamping height adjusting mechanism, the thin-walled cylinder is fixed through the self-adaptive clamping mechanism and the positioning clamping head, and deformation and clamping force of the thin-walled cylinder are detected through the displacement sensor and the pressure sensor respectively. Deformation of the thin-walled cylinder in machining is effectively prevented.

The invention relates to the technical field of protective fabric processing, and discloses high-performance protective fabric production cutting equipment which comprises a base and conveying rollers, the conveying rollers are symmetrically and rotationally connected to the interior of the base, a conveying belt is in transmission connection between the two conveying rollers, and a supporting plate is fixedly connected to the outer side of the base; a sliding mechanism is arranged in the supporting plate; due to the fact that the cutting edge of the cutting blade is located in the V-shaped groove in the surface of the grinding groove block, and the two sides of the cutting edge of the cutting blade are attached to the inner wall of the V-shaped groove of the grinding groove block, when the grinding groove block synchronously and horizontally slides along with the grinding sleeve, the two sides of the cutting edge of the cutting blade can be rubbed through the friction effect of the grinding groove block; and when the stable pressing plate is reset, the two sides of the cutting edge of the cutting blade are rubbed in a reciprocating circulation mode through the grinding sleeve and the grinding groove block, so that the surfaces of the two sides of the cutting edge of the cutting blade are smoother and smoother, and the sharpness of the cutting edge of the cutting blade can be improved.

The lamp comprises a light source module, a mounting hanging bracket, a mounting plate and a gypsum board, the light source module comprises a box body and a light source assembly, a first mounting through opening is formed in the bottom of the box body, the mounting hanging bracket is fixed to the two sides of a bottom plate of the box body, and the mounting plate is fixed to the bottom of the box body; a second mounting through opening is formed in the bottom of the mounting plate, the gypsum board is fixed to the bottom of the mounting plate and comprises a mounting frame, a lamp shell and a gypsum board body, a leveling layer is arranged at the bottom of the gypsum board body, and the bottom of the lamp shell is flush with the bottom of the leveling layer. The lamp capable of emitting light in a hidden mode is advanced in design and convenient to install, the gypsum board and the lamp are integrally formed, a gap at the joint of the gypsum board and the lamp is eliminated, the decoration time can be greatly saved, the size error of a ceiling hole can be easily reduced, leveling is convenient, and meanwhile putty can be prevented from entering the lamp to cause damage to the lamp.

The invention relates to the technical field of battery pack shell processing, in particular to new energy automobile battery pack shell integrated punch forming equipment. Comprising a bottom plate, a workbench is installed at the upper end of the bottom plate, a portal frame fixedly connected with the workbench is erected above the workbench, a male die unit is arranged at the lower end of a horizontal section of the portal frame, a female die unit is arranged at the upper end of the workbench, and a limiting assembly used for circumferentially limiting a plate is arranged at the upper end of the workbench. The limiting assembly is adopted for conducting centering alignment and circumferential limiting on a plate before stamping, and it can be guaranteed that the plate is kept at the fixed and accurate position in the stamping process; the contact area of the male die unit and the female die unit with a punch-formed shell can be reduced through the inward shrinkage assembly and the outward expansion assembly, the friction force and the adsorption force between the male die unit and the shell and between the female die unit and the shell are reduced, the situation that the shell deforms due to external force in the demolding process is avoided, a smoother demolding path can be formed easily, and the demolding quality is improved. The forming quality and the demolding efficiency are improved.

The invention discloses an acoustic board, and relates to the technical field of noise reduction, at least one of the two surfaces of the acoustic board in the thickness direction Z is provided with a plurality of long grooves arranged at intervals in the first direction X. The long grooves extend in the second direction Y and extend to penetrate through the outer side face of the acoustic board. The first direction X, the second direction Y and the thickness direction Z are perpendicular to one another, and the long grooves are suitable for folding the acoustic board. When the size of the acoustic board is too large and needs to be reduced, the acoustic board can be folded through the long groove, so that the size of the acoustic board in the first direction X is adjusted, the size of the acoustic board can be adjusted without cutting the acoustic board, the operation is more convenient, the size of the acoustic board is adjusted by bending the acoustic board through the long groove, better size precision is obtained, and the production efficiency is improved. And size and shape errors caused by manual cutting are reduced.

The invention discloses a transsclera continuous drug delivery device for eye disease treatment and a preparation method thereof. The device comprises an arc body, a wing-shaped fixing plate and a fixing band. A groove is formed in the bottom surface of the arc body; the two wing-shaped fixing plates are symmetrically arranged on the two sides of the arc body. The two wing-shaped fixing plates are respectively accommodated under the abdomen of the external rectus and under the abdomen of the lower rectus; the fixing belts are fixedly connected to the bottom face of the arc body, and gaps are formed between the fixing belts and the inner wall of the groove and used for storing medicine films; the ends, away from the arc body, of the two-wing-shaped fixing plates are spaced, and the arc body and the two-wing-shaped fixing plates are integrally in a C shape. The eye drops can be well attached to eyeballs, compression on the eyeballs is reduced, free rotation of the eyeballs is not affected, wearing comfort and medicine bioavailability are improved, medicine components are prevented from leaking to the keratoconjunctival surface and fascia tissue, medicine is prevented from going into blood pressure circulation through conjunctival blood vessels and lymphatic vessels, and the risk of side effects of the whole body is reduced; and toxicity and adverse reactions are reduced.

The present invention discloses a forming device and a process for a conductive sheet, and specifically relates to the technical field of conductive sheet forming, including a punch body and a mold arranged on the punch body, the mold including an upper mold and a lower mold, the punch body including a machine base, a punch and a driving device for driving the punch to reciprocate, the upper mold is installed at the bottom of the punch, and the lower mold is installed on the machine base. The present invention arranges a feeding piece, when the upper mold moves from bottom to top, the two feeding pieces can gradually approach each other, and clamp and feed the material strip, so that the feeding assembly can feed the material strip synchronously during the process of the mold stamping the material strip, which helps to maintain the consistency of the rhythm during the stamping process, so that the feeding of the material strip and the stamping action of the mold are continuous and coordinated, and the position of the material strip can be more accurately controlled, thereby improving the dimensional accuracy and production efficiency of the conductive sheet and reducing material waste.

The utility model relates to a kind of T-shaped resin tile waste edge traction recovery device, comprising: forming machine table;Forming die, its discharge end is equipped with two edge cutters, two edge cutters are used to cut the resin tile both sides shaped by forming die and remove edge material;Waste edge traction assembly, it is used to pull and recycle the edge cutter and cut edge material into waste recovery bag;Resin tile traction mechanism, it is opposite with the discharge end of forming die, resin tile traction mechanism is used to pull the resin tile after being shaped and edge cut by forming die.The T-shaped resin tile waste edge traction recovery device described in the utility model, the two edge cutters set in the both sides of the discharge end of mould, directly cut the part exceeding size when resin tile discharges, qualified resin tile between two edge cutters, directly pull and recycle the waste material cut by waste edge traction assembly, can realize the cutting and waste recovery treatment of resin tile, the product quality of resin tile is high and uniform, and simultaneously improve production efficiency.

The utility model relates to an accurate sampling device for a titanium alloy cast ingot. The device comprises a stand column, a pull rod bracket, a hinge, a rotating shaft, a pull rod ruler and a marking seal, the pull rod supports are evenly distributed on the periphery of the stand column in the circumferential direction, and the upper ends of the pull rod supports are hinged to the outer side of the upper portion of the stand column through hinges. The inner end of the pull rod ruler is connected to the outer side of the lower portion of the stand column through a rotating shaft rotating pair. And the marking seal is correspondingly arranged at the outer end of the pull rod ruler. According to the utility model, the accurate sampling of the cast ingot can be realized, and the relative position of each sampling point has high contrast, so that the accuracy of the analysis result of the component uniformity of the cast ingot is improved.

The utility model provides a novel boring cutter adjusting blade cooling device, which relates to the technical field of boring machine processing and comprises a pipe body, a first disc, a second disc, a cutter mounting seat, a cutter body, a blade and an adjusting component, the first disc is arranged at one end of the pipe body and provided with first water spraying holes used for spraying workpieces, and the first disc is further provided with second water spraying holes. By means of the device, the number of times of tool setting adjustment in the boring pin machining process can be remarkably reduced, meanwhile, the accuracy of tool setting adjustment is improved, the machining efficiency is improved, the size error of an inner hole after machining is reduced, chippings attached to a blade can be sprayed in real time in the boring pin machining process, the blade can be removed in time, the blade is effectively cooled, and the machining efficiency is improved. And therefore, the probability that follow-up chippings scratch the inner hole is effectively reduced, the processes of repeated stopping, boring rod withdrawing, measurement adjustment, cleaning of scrap iron attached to the blade and the like are not needed during boring, and the boring machining effect is better.

The invention provides a clamp for preparing an impact sample notch by using an optical curve grinding machine and the optical curve grinding machine, and belongs to the technical field of optical curve grinding machines. The jig of the present invention comprises: a base plate; a base; the lower chuck is arranged at the lower part of the base and on the bottom plate; one end of the upper chuck extends into the base and can slide in the base, and the other end of the upper chuck is located outside the base; the spring compression head is located in the base, and one end is connected with one end of the upper chuck; one end of the ejector rod extends into the base, and the other end of the ejector rod is located outside the base and used for extruding the other end of the spring compression head. The spring compression head is driven by the ejector rod to drive the upper chuck to move, so that the device can adapt to different sample sizes, and meanwhile, machining of various machine tools such as an optical curve grinding machine is facilitated. The optical curve grinding machine comprises the clamp and the grinding wheel dresser. According to the shape of the grinding wheel trimmed by the grinding wheel trimmer, errors of the shape and the size of a machined impact notch can be smaller, and the impact test result is stable.

The invention discloses an annular steel bar bending and welding platform and an operation method thereof.The annular steel bar bending and welding platform comprises a supporting table, an inner positioning nail, a surrounding pressing mechanism and a locking mechanism, the annular inner positioning nail is arranged on the supporting table, and the surrounding pressing mechanism is installed on the supporting table, annularly walks around the outer side of the inner positioning nail and is used for bending a steel bar along the annular inner positioning nail; the multiple locking mechanisms are arranged on the supporting table at intervals, annularly arranged along the inner sides of the inner positioning nails and used for locking the steel bars on the supporting table. The surrounding pressing mechanism is used for positioning the reinforcing steel bar at the initial position, then the reinforcing steel bar is annularly bent around the annular inner positioning nail to form a ring shape, the locking mechanism is used for locking, automatic annular winding is achieved, after positioning is completed, welding of the lap joint of the reinforcing steel bar is conveniently and rapidly achieved, the welding quality and the manufacturing quality of the annular reinforcing steel bar are improved, and the production efficiency is improved. The size error of the annular steel bar is reduced, electric winding is achieved, time and labor are saved, manual winding is not needed, precision is better, and safety is higher.

The present invention belongs to the technical field of batteries, and specifically relates to a lower plastic part for a power battery, a first plastic part (1) for spacing a battery cell (9) and a top cover sheet (8); and a second plastic part (2) connected to the first plastic part (1); wherein the lower plastic part has an installation state and a pre-installation state, wherein when in the installation state, the second plastic part (2) moves to a position in the same direction as the first plastic part (1). The present invention can simplify the assembly steps, help reduce manufacturing costs, reduce overall dimensional errors, and improve the overall assembly effect of the battery. In addition, the present invention also discloses a top cover assembly structure and a power battery.

The utility model discloses a kind of pearl film cutting device convenient to cutter replacement, belong to pearl film production technical field, including base, the both sides of base top are uniformly fixedly connected with side plate, the bottom of first slider is movably connected with support plate, the middle part of support plate bottom surface is fixedly connected with shell, block is connected with guide rod and penetrates, the inside of guide rod is fixedly connected with inclined block, fixed rod is set in shell, the top of fixed rod is fixedly connected with fixed flat top cone, movable flat top cone is movably connected on the outer wall of fixed rod, the bottom of fixed rod is fixedly connected with tool. The pearl film cutting device convenient to cutter replacement, through the synergistic effect of fixed flat top cone, inclined block, guide rod and first spring, realize tool quick disassembly, without multiple bolt fixed, when replacing, draw out fixed peg, lift tool can drive inclined block to move out and separate engagement, remove tool, simplify procedure, reduce labor intensity, improve maintenance efficiency.

The invention provides machining equipment and a machining method for an automobile steering column, and belongs to the technical field of machining. The machining equipment for the automobile steering column solves the problem that the size error is large due to deformation of the middle section during cold extrusion of an existing steering column, and comprises a hydraulic machine provided with a tool and a mold, a mandrel and a tubular blank are coaxially arranged on the tool, a centering assembly coaxial with the tubular blank is further arranged on the tool, and the center of the mandrel is matched with the centering assembly. A centering lantern ring is arranged on the centering assembly, a coaxial positioning shell is arranged on the centering lantern ring, a plurality of connecting bridge plates are arranged between the positioning shell and the centering lantern ring, a passing cavity is formed between the connecting bridge plates, a plurality of arc-shaped positioning blocks are arranged on the outer wall of the centering lantern ring, a rotating shaft is arranged on the arc-shaped positioning blocks, and the rotating shaft is fixed to the centering lantern ring. The arc-shaped positioning blocks protrude out of the inner wall of the centering lantern ring, a plurality of guide blocks are arranged at the bottom of the die, the guide blocks penetrate through the passing cavity, the guide blocks abut against the arc-shaped positioning blocks, and the die has the advantages of being high in machining precision and easy and convenient to use.

This invention provides a molding die for an automotive roof, comprising a fixed mold, a moving mold, a middle mold, and an injection molding system. The fixed mold has a first molding groove and an injection rib groove, with shearing surfaces at its edges. The moving mold has a second molding groove and punching surfaces at its edges. The middle mold is located between the fixed and moving molds, and is provided with shearing blades matching the shearing surfaces and sharp blades matching the punching surfaces at intervals. The injection molding system connects to the injection rib grooves. During mold closing, the first and second molding grooves form a composite cavity to complete the composite molding of the substrate and the fabric, as well as the injection molding of the ribs. Simultaneously, the moving mold pushes the middle mold to move, the sharp blades and punching surfaces cooperate to punch the edges of the fabric, and the shearing blades and shearing surfaces cooperate to cut the edges of the substrate. This invention integrates molding, injection, composite molding, and cutting processes into a single mold, significantly reducing mold switching, improving production efficiency and cutting accuracy, and lowering production costs.

The present invention discloses a processing line for small-pile-diameter steel cages in construction engineering, including a skeleton steel preparation rack, a roll welding device, a semi-finished product placement rack, a surrounding steel preparation rack, a pre-straightening mechanism, a straightening machine, and a feeding reel loading mechanism, wherein: the feed end and the discharge end of the roll welding device are respectively connected to the skeleton steel preparation rack and the semi-finished product placement rack; the roll welding device welds the surrounding steel bars in a spiral shape to a plurality of skeleton steel bars to form a steel cage, and the central axes of the plurality of skeleton steel bars are parallel to each other and are arranged in a uniform circular array; the surrounding steel bars start from the surrounding steel preparation rack and pass through the pre-straightening mechanism and the straightening machine in sequence, and are used by the roll welding device after reaching the feeding reel loading mechanism. Beneficial effects: reasonable structure, convenient use, high work efficiency, firm welding, low dimensional error, and can realize the processing of steel cages with different densities, greatly reducing production costs and saving production time.

The application relates to the technical field of inductance manufacturing equipment, in particular to an integrated forming and welding device for inductance coil pins, which comprises a cabinet, a welding machine assembly is arranged in the cabinet, an operation platform is arranged at the top of the cabinet, a coil positioning assembly is arranged on the operation platform, symmetrically arranged mounting seats are arranged on the operation platform, coil terminal fixing assemblies are correspondingly arranged on the two mounting seats, coil terminal forming assemblies are slidably connected to the coil terminal fixing assemblies and arranged on the mounting seats, upper electrode assemblies of the welding machine assembly are fixedly arranged on the coil terminal forming assemblies, and lower electrode assemblies corresponding to the upper electrode assemblies are fixedly arranged on the coil terminal fixing assemblies; pin standby material assemblies are arranged on the two mounting seats and correspond to the coil terminal fixing assemblies. The application realizes integrated and accurate work of coil positioning, terminal forming, pin feeding and welding, is favorable for reducing process circulation time, improving single-process processing efficiency and reducing a production cycle.

The invention belongs to the technical field of charging processing, and discloses a charging combined die which comprises a shell, a die body and a die head. The connecting block is arranged on the surface of the shell; and the exhaust mechanism is arranged in the connecting block, the exhaust mechanism comprises four first air inlet grooves, the first air inlet grooves are formed in the connecting block, and the first air inlet grooves communicate with the shell. Gas in a second gas inlet groove can enter a gas inlet shell and a first gas inlet groove from gas inlets, the gas can penetrate through the first gas inlet groove to enter the shell, finally, flowing gas pushes a baffle to enable the two gas inlets to coincide, the gas enters the shell in an accelerated mode, and the pressure in the shell is increased; therefore, the production cycle can be remarkably shortened, the overall production efficiency is improved, the efficient pressurizing process can ensure that objects in the mold are formed more accurately, and shape deviation and size errors are reduced.

The utility model discloses a positioning and pressing device for precoated sand shell mold casting, which relates to the technical field of casting, and comprises an upper die holder and a lower die holder, the left side and the right side of the upper die holder are fixedly connected with positioning seats, the left side and the right side of the lower die holder are respectively provided with two groups of positioning plug-ins matched with the positioning seats, each positioning plug-in comprises a plug pin, and the plug pins are inserted into the positioning seats. The positioning seat is provided with an inserting hole corresponding to the inserting pin, the inserting pin can be inserted into the inserting hole to achieve positioning between the upper die seat and the lower die seat, the left side and the right side of the lower die seat are fixedly connected with positioning rods penetrating through the positioning seat, and the top ends of the positioning rods are provided with pressing assemblies pressing the upper die seat. According to the utility model, the problem of dislocation after installation is effectively prevented by means of positioning, fixing, pressing and the like, so that the upper die holder and the lower die holder are tightly connected, the vibration or impact in the casting process is resisted, the displacement after die assembly is prevented, the size error of a casting part is reduced, and the yield and the process reliability are obviously improved.

The invention belongs to the technical field of automobile manufacturing size engineering, and particularly relates to a size control method and structure for a split type headlamp and a front protective cover. Wherein the front-end frame is fixed on a vehicle body, the front protective cover is fixed on the front-end frame, split headlamps are respectively arranged on two sides of the front protective cover, a front-end frame positioning mechanism is arranged at the front end of the frame, and a first split headlamp positioning mechanism and a second split headlamp positioning mechanism are respectively arranged at the lower end part and the outer side of the front end of the frame; according to the installation tool, the split type headlamp is firstly installed through the installation tool, breaking of an automobile body size chain ring is achieved, and therefore the space position size of the split type headlamp is guaranteed; then a front protective cover is installed, the spatial position size of the front protective cover is guaranteed by means of the same positioning points of the harness and the front protective cover, and therefore full-size control over the headlamp and the front protective cover is guaranteed; the problems caused by poor matching of the peripheral sizes of the split type headlamp and the front protective cover are solved.

The present invention discloses a circulating cooling device for a gear chamfering machine tool in the technical field of gear processing equipment, comprising a gear hobbing assembly, a linear moving assembly, a rotating working arm and a processing table; a transmission assembly and a gap water spray assembly are arranged in the rotating working arm; the transmission assembly is used to transmit the torque generated by the rotating working arm to the gap water spray assembly; the intermittent water spray assembly is used to perform high-pressure water spraying treatment on the contact position between the currently processed gear and the chamfering tool based on the torque generated by the rotating working arm; a wastewater recovery assembly is arranged on the processing table; a detection module is arranged in the wastewater recovery assembly; the detection module is used to detect the processing quality of the processed gear; the detection module is electrically connected to a control module; the control module is used to optimize the chamfering processing parameters based on the processing quality. This solution effectively prevents the processing quality from being reduced due to excessive temperature by spraying water to cool down the real-time contact position between the gear and the chamfering tool.

The invention provides an automatic forming production line for air valve blades, and belongs to the technical field of air pipe machining equipment. Comprising an unwinding frame, a leveling frame and a conveying roller frame which are sequentially arranged together, and a forming machine is arranged on one side of the conveying roller frame; a material guide mechanism, a leveling mechanism, a punching mechanism and a cutting mechanism are sequentially arranged on the leveling frame, and a plurality of groups of leveling rollers and a first servo motor for driving the leveling rollers to rotate are arranged on the leveling mechanism; a plurality of conveying rollers arranged in parallel are arranged at the top of the conveying roller frame, and a second servo motor capable of driving the conveying rollers to rotate synchronously is further fixed to the conveying roller frame; the production line further comprises two feeding mechanisms, one feeding mechanism is located in the conveying roller frame, the other feeding mechanism is located in the forming machine, and the two feeding mechanisms are matched to clamp the galvanized sheet and translate in the axis direction of the conveying rollers. The device has the advantages of labor saving, good product consistency, good smoothness and the like.

This utility model relates to the field of self-adhesive label production technology and discloses a self-adhesive label die-cutting machine, including: a worktable and self-adhesive labels. A support plate is fixedly installed on the top of the worktable, and an adjustment component is provided between the support plate and the worktable. This equipment solves the problem of "easy deviation and easy deformation" of self-adhesive label substrates through an adaptive feeding structure of "spring buffer - anti-slip damping - double roller traction," ensuring feeding stability. Regarding the adaptability of the pressing material, the anti-slip roller of the compression component adopts a "spring groove - sliding block" buffer design: the spring groove is fixed to the bottom of the support plate, and the inner second sliding block is connected to the inner wall of the sliding block through a spring. When self-adhesive substrates of different thicknesses pass through, the spring can adaptively extend and retract according to the substrate thickness, pushing the second sliding block to drive the anti-slip roller to make slight adjustments up and down, always maintaining appropriate pressure on the substrate surface, thus avoiding excessive pressure that could cause substrate deformation.

The utility model provides a kind of municipal flower garden fence injection moulding mould two-way synchronous core-pulling mechanism belongs to mould technical field.It includes upper die plate and lower die plate, the upper die plate and lower die plate between being provided with two fence forming cavities, two fence forming cavities are parallelly arranged.Through being provided with two parallel fence forming cavities between upper die plate and lower die plate, double fence synchronous forming is realized, and production efficiency is improved;The forming block mounting seat of the symmetry of lower die plate two sides is inserted from the end of fence forming cavity, cooperates with the core-pulling mechanism and the plug-in portion forming structure, and the internal chamber and the plug-in slot required for forming fence are directly formed in injection molding process, without subsequent processing, the design solves the problem that traditional mould cannot integrally form fence with plug-in slot, while double-chamber and symmetrical structure ensure the consistency of formed parts, reduce the dimensional error caused by secondary processing, and improve product pass rate.

The invention relates to the technical field of charged particle beam control, and discloses an electrostatic deflector for a focused ion beam and an assembly process thereof, the electrostatic deflector comprises an electrode assembly, a mounting flange, an insulation structure and a positioning structure; an upper electrode and a lower electrode of the electrode assembly are correspondingly arranged; part of the upper electrode is embedded into the mounting flange; the insulating structure is arranged on one side, far away from the upper electrode, of the mounting flange, and part of the lower electrode is embedded into the insulating structure; the positioning structure sleeves the lower electrode; the thermal expansion coefficient of the electrode assembly is A, the thermal expansion coefficient of the insulation structure is B, and 1 < = A / B < = 1.5. The proportional relation between the thermal expansion coefficients of the electrode assembly and the insulation structure is limited, the thermal expansion coefficients of the electrode assembly and the insulation structure are matched, the deformation quantity difference of the electrode assembly and the insulation structure under the extreme working condition is reduced, thermal stress cracking is avoided, and the assembly precision and structural integrity of the electrode assembly and the insulation structure are maintained; the electric field is distributed according to design, and distortion is avoided.

This utility model discloses a manual die-cutting machine device, including a lower base, an electrode platform mounted on the lower base, a guide post mounted on the lower base, an upper base plate slidably connected to the guide post, and a clamping assembly mounted on the upper base plate. The clamping assembly includes a plurality of opposing clamping sliders slidably connected to the upper base plate. The upper base plate has a hollow portion aligned with the electrode platform, and a clamping opening for clamping a die is provided on the opposite side of each clamping slider. This utility model provides a manual die-cutting machine device that can quickly install various sizes and specifications of dies, improving the adaptability and flexibility of the device, enabling multi-specification cutting operations, and increasing production efficiency.

The utility model discloses a profiling beveling trolley which comprises a beveling trolley body, flame nozzles are arranged on the beveling trolley body and used for cutting bevels, wheels are arranged at the bottom of the beveling trolley body, a profiling mechanism is arranged on one side of the beveling trolley body and comprises a fixing plate and a mounting rod, and one end of the mounting rod is perpendicularly fixed to the fixing plate; the profiling component is arranged on the mounting rod and used for enabling flame nozzles on the profiling component to cut continuous and uniform grooves at equal intervals along the outer contour of the steel plate when the beveling vehicle advances; the track is simple in structure and can be assembled and used at any time, a constructor can complete assembling and manufacturing on a construction site, assembling operation is convenient, the problem that a cutting track is laid independently is solved, and production efficiency is improved; compared with the prior art, the automatic groove cutting machine can be used for cutting plates in various shapes, is particularly suitable for cutting grooves of arc-shaped and circular plates besides common straight-edge plates, improves the quality of the grooves, and reduces the errors of the sizes and the shapes of the grooves caused by manual track laying.

The utility model discloses a cutting device for wire harness production, which belongs to the field of wire harness production and is characterized in that a wire harness is positioned in X-axis, Y-axis or Z-axis directions through the design of a pressing mechanism, a clamping mechanism and an aligning mechanism, the pressing mechanism is pressed on the top of the wire harness, and two clamping plates in the clamping mechanism are close to each other, so that the wire harness is positioned in the X-axis, Y-axis or Z-axis directions. The two clamping mechanisms are respectively clamped on two sides of a row of wire harnesses to enable the wire harnesses to be tightly attached, and the ends of the wire harnesses are blocked by a liftable baffle plate in the aligning mechanism so as to align and integrate the ends of the wire harnesses, so that the positioning effect on the wire harnesses is further improved, the cut is ensured to be neat and attractive after the wire harnesses are cut, the size error between the wire harnesses is extremely small, and the production efficiency is improved. The quality of the wire harness is ensured; through the design of the pressing plate, the pressing plate comprises a plurality of pressing rollers driven by a motor, the conveying belt in transmission connection with the pressing rollers can automatically push out the cut wire harness, and automatic discharging of the wire harness is achieved.

The utility model discloses a variable diameter type double locking rotary fixer for office chair gas rod belongs to furniture machinery accessories technical field. The fixer includes fixer main part, variable diameter ring and locking assembly, and fixer main part is the double -deck structure of openable, and through the hinging structure connection forms the accommodating cavity to wrap office chair lift gas pressure rod, and variable diameter ring is located in the accommodating cavity, can be adapted to the gas rod of different diameter, and locking assembly contains lower locking part and upper locking part. The utility model does not need to dismantle office chair original component and can be installed without damage, and through variable diameter ring adaptation different specification gas rod, with the help quick -release wrench linkage screw knob, the double locking mode of upper fixed screw, flexible control seat rotation and lifting function, solved the single specification of existing scheme, the problem of complicated installation, function can not switch, is applicable to the scene of having specific demand to seat stability such as student study chair, lumbar / spinal disease patient chair.