15results about How to "Accurate shape" patented technology

The utility model discloses a kind of chip waste-removal machines, it includes rack, pearl wool placing assembly, feeding mechanism, lifting pressure marking mechanism, mobile cutting mechanism and female die and male die;Feeding mechanism is pushed pearl wool to the below of lifting pressure marking mechanism by ejection block piece by piece, lifting pressure marking mechanism controls male die and press down and extrudes pearl wool partial into female die through hole, the knife of mobile cutting mechanism is translated and cut between male die and female die, and different shape cotton sheet is formed;In the second embodiment, lifting fixed plate is additionally provided with flat head thimble for waste removal, and the quality of finished product is improved;The present application can efficiently and accurately process pearl wool in large quantities, and has significant technical advantages and application value.

This invention discloses an extruder head flow channel orifice structure and its application in tire tread winding, belonging to the field of tire manufacturing technology. The extruder head flow channel orifice structure includes an extruder body with a flow channel orifice connected to its end. Its core improvement lies in the non-circular shape of the extrusion orifice. This breaks through the limitations of traditional circular orifices; the non-circular design, such as rectangular or near-circular shapes, allows for adjustment of the rubber strip cross-sectional shape according to the functional requirements of different parts of the tread (such as the crown and shoulder), optimizing the contact area and bonding pressure distribution between the rubber strip and the forming drum, reducing bonding air bubbles, and improving interlayer bonding strength. The tire tread winding method involves extruding a continuous rubber strip using the extruder head flow channel orifice structure and then winding this strip onto the forming drum in a seamless manner to form the tread.

This utility model relates to the field of mold technology, specifically an internal pressure side-push forming mechanism. The internal pressure side-push forming mechanism is characterized by: a lower pad plate connected to the bottom of the lower mold base, a lower clamping plate connected to the top of the lower mold base, a lower ejector plate above the lower clamping plate, lower mold bending blocks on the left and right sides of the lower ejector plate, and pull-back blocks on the outer sides of the lower mold bending blocks on both sides, respectively connected to the lower mold bending blocks via pull-back screws and springs; a lower mold driving block is located between the lower mold bending blocks and the pull-back blocks, with the other end of the lower mold driving block passing through the lower ejector plate and the lower clamping plate and connecting to the lower mold base; the bottom of the lower ejector plate abuts against one end of a tension / compression spring, and the other end of the tension / compression spring passes through the lower clamping plate and is located inside the lower mold base. Compared with the prior art, by cooperating with the upper mold bending block, the internal pressure side-push forming lower mold bending block achieves the effect of bending on both sides, reducing rework issues.

The utility model discloses a large -diameter steel wire mesh skeleton pipeline end face sealing device relates to pipeline processing technical field, and this utility model discloses a first support box and second support box, the upper surface fixed connection of first support box has tail top seat, the upper surface fixed mounting of second support box has heating forming module and pipeline clamping mechanism, the inside of multiple third support boxes all is equipped with liftable inlet -outlet mechanism, the outer surface of screw rod nut is connected with the middle part of support station and rotates, the upper end fixed connection of manual lifting platform has the top plate, the upper surface symmetrical rotation of top plate is equipped with first cylinder, the utility model discloses through setting up liftable inlet -outlet mechanism, pipeline clamping mechanism, heating forming module etc. the cooperation of many components links to each other to reach the effect of reducing artificial dependence, improve processing efficiency and improve the adaptability of pipeline end face processing.

This utility model relates to the field of stainless steel pipe processing technology, specifically a stainless steel pipe end shaping device to solve the problem that existing devices cannot simultaneously handle pipe end and pipe body deformation. The device includes a frame, a support platform with a placement groove, a end shaping assembly, a drive assembly, and a pipe body shaping assembly. During operation, the pipe is placed in the placement groove, and rotating the operating hole drives a bidirectional lead screw to move an L-shaped block, causing a frustum block to insert into both ends of the pipe to expand the end. Simultaneously, a connecting rod links to a slider, driving the round rod to slide along the oblique and transverse holes, causing an arc-shaped clamp to apply radial pressure to the pipe body for shaping. This single operation simultaneously completes end opening and pipe body correction, improving shaping efficiency and quality, and enhancing pipe connection sealing.

The utility model discloses a waterway cooling mechanism for an injection mold, relates to the technical field of injection molds, and aims to solve the problem of non-uniform mold temperature control in the injection molding process of high-temperature engineering materials. According to the mechanism, a plurality of groups of surrounding type cooling modules are symmetrically mounted in a lower forming mold core, each module comprises an arc-shaped semi-surrounding waterway pipe, and the pipeline is designed to be of an S-shaped circuitous structure and is matched with the radian of a product, so that uniform contact between cooling water and each part of the product is ensured. During working, cooling water is injected into the water inlet connector through the external water circulation pipeline, flows into the water path pipe through the adapter and exchanges heat with a product, and uniform cooling is achieved. According to the design, the temperature uniformity of the mold is effectively improved, and the forming quality and the surface effect of a high-temperature engineering material injection molding product are ensured. Meanwhile, the mechanism is simple in structure and easy to implement, improves production efficiency and economic benefits, and has wide application prospects.

The utility model discloses a punch forming die which comprises an upper die plate and a lower die plate, the upper die plate is movably arranged, a forming male die is fixedly installed at the bottom of the upper die plate, and a forming female die is fixedly installed at the top of the lower die plate. The top of the punching rod is lower than the top of the forming male die, the material pressing plate is elastically connected to the upper die plate, the punching rod is fixedly connected to the upper die plate, the material pressing plate is provided with a through hole for the punching rod to freely pass through, in the natural state, the top of the punching rod and the top of the forming male die do not protrude out of the lower end face of the material pressing plate, and a positioning hole is formed in the position, corresponding to the punching rod, of the forming female die. In the working process, when the upper die plate moves downwards, before the forming male die makes contact with a workpiece, the pressing plate tightly presses the workpiece, and the punching rod punches a mounting hole in the workpiece and enters the positioning hole to position the mounting hole. The stamping die is simple in process, can finish drawing forming of a workpiece through one-time stamping action, and guarantees accurate positions of an outer circle and a mounting hole of the workpiece.

The utility model belongs to the field of underpants, and discloses three-dimensional shaping underpants which comprise an underpants body, and the underpants body is provided with an abdomen shaping area and a hip shaping area. The fabric of the belly shaping area is of a breast raising weave structure or a false rib weave structure formed by weaving warp yarns and weft yarns; the hip shaping area comprises a first hip bearing area or a second hip bearing area, the first hip bearing area is of a smooth transition X-shaped structure so as to mainly bear the hip from the inner side of the hip, and the second hip bearing area is of a smooth transition W-shaped structure so as to mainly bear the hip from the lower portion of the hip. The first hip bearing area is of a plain weave structure or a mesh weave structure formed by weaving warp yarn and weft yarn, and the fabric of the second hip bearing area is of a breast raising weave structure or a false rib weave structure formed by weaving warp yarn and weft yarn. Based on fat distribution and pressure conditions, different textile weave structures are adopted for supporting and shaping, so that shaping is more accurate, and the problem that a single material is insufficient in elasticity or uneven in elasticity distribution is solved.

The invention relates to the technical field of forming processes, in particular to a multi-density sponge forming mold and an integrated forming method.The forming mold comprises an upper mold and a lower mold, and a mold cavity used for sponge foaming forming is defined after the upper mold and the lower mold are closed; the movable partition is arranged in the mold cavity; the movable partition is provided with a first position and a second position; when the movable partition is located at the first position, the movable partition serves as a physical barrier to divide the mold cavity into a first cavity and a second cavity which are isolated from each other, and the first cavity and the second cavity are used for physically isolating liquid sponge raw materials during first-time material injection; and when the movable partition is located at the second position, the movable partition relieves physical isolation between the first cavity and the second cavity, so that the first cavity communicates with the second cavity, and the sponge foamed in advance and the raw materials injected subsequently make contact at the interface and are integrally fused.

The utility model provides an extruding machine for aluminum profile processing, which relates to the technical field of aluminum profile processing and comprises a frame, an extruding plate is movably arranged on the top wall of the frame, a die is arranged on the bottom wall of the frame, a groove is arranged in the die, and a positioning piece is arranged on the outer edge of the groove. The positioning piece comprises a vertical rod and a circular piece which is elastically and movably arranged, the upper end of the vertical rod penetrates through the aluminum profile plate, and the circular piece is arranged on the periphery of the vertical rod in a sleeving mode and used for supporting the aluminum profile plate. The vertical rod in the positioning piece penetrates through the aluminum profile plate, the aluminum profile plate can be positioned, when the electric telescopic rod is started to enable the extrusion plate to move downwards to extrude the aluminum profile plate above the mold, the aluminum profile plate can be tightly attached to a groove in the mold and cannot deviate, the shaping accuracy of the aluminum profile plate can be greatly improved, and the production efficiency of the aluminum profile plate is improved. Meanwhile, after the aluminum profile plate is shaped and the extrusion plate is separated from the mold, the aluminum profile plate moves upwards and is separated from the mold, and rapid and automatic demolding of the aluminum profile plate can be achieved.

The utility model discloses a device for shaping a green tire, which comprises a base table, the upper surface of the base table is respectively and fixedly connected with two side vertical plates and a lower die, the bottom surface of the base table is fixedly connected with a U-shaped support frame, the bottom surface of the U-shaped support frame is fixedly connected with an electric push rod, and the electric push rod is fixedly connected with the lower die. The output end of the electric push rod is fixedly connected with a transmission batten, the upper surface of the transmission batten is fixedly connected with a plurality of transmission round rods, the top end of each transmission round rod penetrates through the base table and the lower mold and extends into the lower mold, and the inner wall of the lower mold is fixedly connected with a mold placing plate; and a plurality of arc-shaped through holes are formed in the upper surface of the mould placing plate. According to the device, a transmission strip plate and a transmission round rod are pushed through an electric push rod, a push plate is driven to push and move a green tire on a tire placing plate from the inside through an arc-shaped through opening, so that the green tire can be easily pushed to the upper part after being shaped, the operation difficulty during taking out is reduced, and the shaping precision and quality of the tire are further improved.

The application provides a flexible circuit board bending device and relates to the technical field of flexible circuit board bending. The device comprises a mold assembly, a positioning assembly, an outer bending assembly, an inner bending assembly and a shape limiting assembly. The mold assembly is used to provide a placement position for products. The positioning assembly is arranged at the middle part of the mold assembly and is used to provide a limiting function for the final bending state. The outer bending assembly is arranged at the outer side of the mold assembly and is used to provide a first-stage bending function. The inner bending assembly is arranged at the inner side of the outer bending assembly and is used to provide a second-stage bending function. The bending process is divided into two stages through the outer bending assembly and the inner bending assembly, the bending process can be refined, the stress position of the flexible circuit board is accurate, the bending shape is accurate, and the subsequent assembly of the flexible circuit board can be smoothly carried out.

This invention provides a variable-temperature forging process for difficult-to-deform lightweight aluminum / magnesium alloys. The process involves determining the recrystallization temperature to lock in the preheating temperature; heating the difficult-to-deform aluminum or magnesium alloy billet to the preheating temperature; maintaining a die temperature 50-200°C higher than the billet temperature; implementing an initial temperature transfer deformation process on a forging press, with the die at a high temperature and the billet at a low temperature; ensuring the die temperature is 50-200°C higher than the billet temperature; performing plastic deformation at the same temperature for both the die and the billet when the forging deformation reaches 1 / 3-2 / 3 of the stage; maintaining pressure with the die temperature 50-100°C lower than the billet temperature; water quenching the formed forging, followed by aging heat treatment. This variable-temperature forging process for difficult-to-deform lightweight aluminum / magnesium alloys reduces the tendency for deformation damage during deformation, ensures low-temperature deformation of the workpiece without damage or cracking, improves the deformation uniformity of the workpiece, and optimizes its microstructure and mechanical properties.

The utility model provides a degradable environment-friendly paper-plastic composite structure, which relates to the degradable environment-friendly paper-plastic field, and comprises a support frame and a transfer pump, the upper surface of the support frame is provided with a fixed column, the bottom surface of the fixed column is provided with an electric telescopic rod, the output end of the electric telescopic rod is provided with a mold A, and a mold B is arranged below the mold A; the outer surface of the mold B is sleeved with a heating ring, a motor A is installed on the upper surface of the supporting frame, a fixing block A is installed at the output end of the motor A, and a discharging pipe penetrates through the interior of the fixing block A. The output end of the material pumping pump communicates with a conveying pipe, and the end, away from the material pumping pump, of the conveying pipe communicates with the discharging pipe. According to the utility model, the electric telescopic rod is precisely matched with the mold A and the mold B, which is a key for quickly and accurately shaping paper pulp, the production efficiency is improved, the consistency and quality of products are ensured, and uniform hot pressing is provided for the paper pulp in the shaping process due to the ingenious layout of the heating ring.

The invention relates to an irradiation treatment system for local modification of a semiconductor, and belongs to the technical field of semiconductor processing. The irradiation treatment system for local modification of the semiconductor comprises a bearing table, a shielding mechanism, a positioning detection assembly and a control module, wherein the bearing table is used for bearing and fixing a semiconductor wafer; the shielding mechanism comprises a shielding plate and a driving assembly, and a radiation opening is formed in the shielding plate; the surface, facing the radioactive source, of the wafer is a processing surface; the edge position of the shielding plate is fixed, and the driving assembly is connected with the center point of the shielding plate and drives the center point to ascend and descend in the axial direction, so that the shielding plate generates elastic deformation to form an arc-shaped surface; the positioning detection assembly is used for detecting contact between the shielding plate and the machining face. The control module controls the center point of the shielding plate to ascend and descend according to the contact signal, so that the arc-shaped face shape of the shielding plate is matched with the arc-shaped shape of the machining face. According to the irradiation treatment system for semiconductor local modification, the reliability and the yield of a semiconductor local modification process can be improved.