16results about How to "Small size error" patented technology

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.

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 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 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.

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 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.

This utility model discloses an auxiliary structure for a cutting and packaging machine. The key technical features include a cutting and packaging machine body with two sets of side supports mounted on it. A cutting blade module is installed between the two sets of side supports. A linear lead screw module is mounted on the cutting and packaging machine body, and an auxiliary detection structure is mounted on the linear lead screw module. When the packaging material to be cut is moved onto the cutting and packaging machine body for cutting, an industrial vision camera can perform three-axis moving visual inspection along the top of the side supports. Compared to traditional manual visual inspection, the auxiliary detection structure of this application ensures precise movement of the industrial vision camera in three directions, thereby achieving accurate visual inspection. This helps improve the accuracy and consistency of cutting packaging materials, reduces dimensional errors, and enables automated visual inspection, reducing manual operation.

The application relates to the technical field of wire cutting equipment, and discloses a wire cutting machine for die manufacturing, which comprises a base, a machining box fixedly connected to the top front side of the base, a rack fixedly connected to the top rear side of the base, an adjusting mechanism arranged on the front side of the rack, a shell, a motor one fixedly connected to the right side of the shell, an output end of the motor one penetrating through the shell and fixedly connected with a cam, a bottom plate fixedly connected to the bottom of the inner side of the shell, and a damping hydraulic cylinder fixedly connected to the top of the bottom plate. The motor drives the cam to rotate, the cam cooperates with the frame to flexibly adjust the tension of the wire electrode, and the damping hydraulic cylinder and the spring one can effectively absorb the high-frequency micro-vibration of the wire electrode caused by the impact force in the discharge machining moment, so that the tension fluctuation is controlled within a very small range.

The utility model discloses an O type sealing washer cutting device belongs to cutting technical field, including bottom plate and be located on the mounting groove, fastening assembly and blade subassembly of bottom plate, the mounting groove is used for placing the O type sealing washer of cutting and is equipped with cutting position on the mounting groove, the fastening assembly is used for fastening the O type sealing washer placed in the mounting groove, the blade subassembly acts on cutting position to cut the O type sealing washer placed in the mounting groove, the utility model provides an O type sealing washer cutting device can effectively solve the problem that the notch quality is poor, the adaptation is deficient, the operation efficiency is low and the sealing washer is easily damaged of traditional manual cutting exists.

This disclosure provides a battery cell, comprising: a battery cell housing including a side wall and a top plate, wherein a receiving space is formed inside the side wall and a through hole is formed in the top plate; an electrode assembly disposed in the receiving space of the battery cell housing; a first current collector electrically connected to a first electrode tab of the electrode assembly; an electrode terminal electrically connected to the first current collector through the through hole; and a gasket disposed between the electrode terminal and the top plate and having electrical insulation properties, wherein the top plate includes a protrusion and a recess, the protrusion protruding in one direction along the edge of the through hole and the recess recessing in the one direction.

This invention discloses a cable cutting device, including a support, a cable feeding mechanism, a cable delivery mechanism, a fastening mechanism, and a cutting mechanism. The cable feeding mechanism is rotatably connected to the support. The cable delivery mechanism includes a sliding mechanism, a reciprocating pushing mechanism, and a clamping mechanism. The clamping mechanism includes a cable delivery roller and a pressure block. One or more cable delivery rollers are fixed to the support and rotatably connected to it. The pressure block cooperates with the cable delivery roller to clamp the cable. The reciprocating pushing mechanism moves the pressure block closer to or away from the cable delivery roller. The sliding mechanism drives the reciprocating pushing mechanism and the pressure block to slide along a direction perpendicular to the roller axis of the cable delivery roller. The reciprocating pushing mechanism also drives the fastening mechanism to engage with the support surface to fasten the cable when the pressure block and cable delivery roller release the cable, and to release the cable when the pressure block and cable delivery roller clamp the cable. The cutting mechanism is fixed to the support and is used to cut the cable. This improves the cutting accuracy, allows for adjustable and controllable cutting length, and reduces dimensional errors caused by the bending of long cables during the cutting process.

The utility model relates to aluminium alloy processing technical field especially relates to a kind of positioning device for aluminium alloy sawing.The positioning device for aluminium alloy sawing includes: workbench, drive assembly, clamping assembly, activated carbon plate, control panel, lifting assembly, pneumatic disc brake device, the top end symmetrical fixed connection of workbench has support plate, the similar side inner wall of two support plates is slidably connected with carrier bar, the side rotationally connected with cutting disc of carrier bar, the side fixed connection with servo motor of carrier bar away from cutting disc, the similar side of two support plates is equipped with drive assembly, the similar side of two support plates is equipped with clamping assembly, the top end inner wall of workbench is connected with activated carbon plate.This utility model guarantees sawing process continuously, greatly improves product quality and production efficiency, cooling water can be recycled to spray cooling, save water resource, reduce processing cost, while reducing the influence of waste water discharge on environment.

The utility model discloses a shoe material cutting device for shoemaking production. The shoe material cutting device comprises a plurality of layers of material placing frames, the supporting frame is fixedly connected with a gluing assembly, the output end of the gluing assembly is connected with two glue rollers, the gluing assembly is used for driving the glue rollers to rotate, the glue rollers are rotationally connected to the supporting frame, two auxiliary rollers are arranged on the two sides of the two glue rollers, the auxiliary rollers are rotationally connected to the supporting frame, and a multi-layer feeding frame is arranged on one sides of the auxiliary rollers; the multi-layer feeding frame is fixedly connected to the supporting frame. According to the utility model, uniform gluing is carried out when multiple layers of shoe materials are pressed through the gluing assembly, glue layers can fully permeate material pores to form a firm anchoring effect, the service life of shoes is prolonged, the comfort and the appearance are optimized, the pressing assembly is arranged to be matched with the pressing roller to press and flatten multiple layers of shoe soles, and then uniform cutting is carried out, so that the production efficiency is improved. The interlayer peeling strength is enhanced, the flatness, the cutting precision and the material utilization rate of the shoe sole are higher, and the production efficiency and the automation level are improved.