10results about How to "Reduce stretch deformation" patented technology

This utility model relates to the field of mold technology, and in particular to a continuous pipe clamp mold that avoids long and short sides. The continuous pipe clamp mold includes an upper mold assembly and a lower mold assembly. The upper mold assembly includes an upper mold base, an upper forming male, a movable forming male, a cutter, and a stripper plate. The upper forming male and the cutter are fixedly connected to the upper mold base. The movable forming male and the stripper plate are movably disposed on the upper mold base. The cutter, the movable forming male, and the upper forming male are arranged sequentially along the feeding direction. This continuous pipe clamp mold that avoids long and short sides prevents material slippage during bending, resulting in high stability in material bending and forming, high product dimensional stability, and effectively shortens the cutter length, extending the cutter's service life. It solves the technical problems of existing pipe clamp molds, such as the easy occurrence of long and short sides during forming, poor product compatibility, and easy cutter breakage and failure.

The utility model discloses a scouring pad leveling device, which relates to the technical field of scouring pad leveling, and comprises an operating table and a mounting plate, the upper side of the operating table is fixedly connected with a vertical plate, two groups of symmetrically arranged positioning mechanisms are mounted outside the vertical plate, the outside of the operating table is fixedly connected with a mounting seat, and the mounting seat is fixedly connected with a base. A heating mechanism is mounted on one side of the mounting seat, two groups of symmetrically arranged sliding plates are slidably connected to the upper side of the operating table in a limiting manner, a leveling strip is fixedly connected to the bottom of the mounting plate, the tail end of the leveling strip is sharpened, and a pressing mechanism is mounted between the mounting plate and the sliding plates. According to the device, through the dual effects of heating power and mechanical force, the scouring pad fiber reset resistance is remarkably reduced, the efficient and uniform leveling effect is achieved, and meanwhile the device can meet the machining requirements of scouring pads of different sizes.

The utility model discloses a pattern rib structure for preventing cracks at the groove bottom of a tire, which comprises a tire tread, and pattern grooves and pattern blocks are arranged on the tire tread. According to the utility model, the reinforcing ribs with special shapes are designed at the groove bottom of the pattern to replace the traditional arc transition, so that the pressure at the edge of the groove bottom can be dispersed, the strength of the pattern block at the groove bottom can be enhanced and the tensile deformation of the groove bottom can be reduced in the running process of the tire, thereby improving the fatigue resistance of the groove bottom of the pattern, reducing the generation of cracks at the groove bottom and prolonging the service life of the tire. The tire service life is prolonged.

This invention discloses a method for precise tension control in the winding process of low rolling resistance tires, relating to the field of tire manufacturing technology. It aims to solve the problem of uneven rubber distribution and reduced rolling resistance caused by inaccurate tension control during the tread winding process in existing technologies. The method includes the following steps: S1, integrating a high-response sensor network into the independent tension actuator of each winding feeding unit. The high-response sensor network includes a release tension sensor, a conveying tension sensor, and a bonding tension sensor, corresponding to the three processes of rubber strip conveying, release, and bonding, respectively, to collect the instantaneous tension value of the rubber strip throughout the entire process in real time; S2, based on the material properties of the rubber strip and its motion state during the winding process, establishing a material rheology-tension coupling model through indoor experiments on the correlation between the rheological properties of the rubber strip and tension changes under different working conditions. This invention has the advantage of achieving adaptive adjustment of the rubber strip tension.

This utility model provides a die-cutting device for cutting interlocking floorboards, including a first template, a first pad, a second pad, and an alignment mechanism. Several alignment mechanisms are provided on the edges of both the first template and the first pad. The first template is positioned above the first pad via these alignment mechanisms, and reciprocates in a direction approaching or moving away from the first pad. The first template also includes a first die core and several cutting components. The first die core is located on the lower surface of the first template, and the cutting components are fixed to the first die core and oriented towards the first pad. The second pad is detachably mounted on the first pad and is used to adjust the effective stroke of the cutting components. The effective stroke is the distance between the lower surface of the first die core and the cutting edge of the cutting components, used for cutting the workpiece. The second pad has an adjustment state and a working state. In the adjustment state, the second pad is mounted on the first pad, and the first template descends to above the second pad, causing the cutting components to contact the upper surface of the second pad and fixing them to the first die core.

The invention relates to the technical field of building construction, in particular to a novel anti-floating anchor rod waterproof joint treatment method which comprises the steps that an anti-floating anchor rod and peripheral inter-pile soil are cleaned, the end of the anchor rod is treated, pile heads are chiseled, and a waterproof base layer is obtained; determining whether the qualification of the waterproof base layer meets the requirement or not based on the flatness deviation ratio of the waterproof base layer at the end of the anchor rod; the base layer is subjected to concrete pouring, the surface of the base layer is coated with a cement-based capillary crystalline waterproof coating to obtain a waterproof groove, and an SBS coiled material reinforcing ring is arranged on the periphery of the waterproof groove; filling the waterproof groove with a non-cured rubber asphalt waterproof coating to obtain a waterproof filling layer; the filling compactness of the waterproof filling layer is obtained, and the brushing thickness of the waterproof additional layer is determined; the surfaces of the waterproof filling layer and the reinforcing ring are coated with asphalt waterproof paint to obtain a waterproof additional layer; and determining the temperature correction value of the hot melting edge of the SBS coiled material based on the deviation value of the lap width of the waterproof additional layer. The sealing impermeability of the waterproof joint at the end of the anti-floating anchor rod is improved.

The utility model discloses a single material three-in-one compound machine which comprises a first unwinding unit, a second unwinding unit, a third unwinding unit and a winding unit, the first composite unit comprises a first composite steel roller, a first composite rubber roller matched with the first composite steel roller, a first back pressure steel roller attached to the first composite rubber roller, a first motor driving the first back pressure steel roller, a first swing frame and a first air cylinder driving the first swing frame. The second composite unit comprises a second composite steel roller, a second composite rubber roller matched with the second composite steel roller, a second back pressure steel roller attached to the second composite rubber roller, a second motor driving the second back pressure steel roller, a second swing frame and a second air cylinder driving the second swing frame. The backpressure steel roller is actively driven, so that the influence of inertia on the synchronous speed of the composite rubber roller is reduced; the backpressure steel roller is flexibly driven, so that the possibility of influence of hard synchronization between the backpressure steel roller and the composite steel roller on a material film is reduced; no speed impact exists in the conversion process under the working state and the off-pressure state, and the possibility of tensile deformation of the material film is reduced.

The utility model relates to the technical field of PP plate processing equipment, and discloses a PP plate traction device which comprises a first mounting frame and a second mounting frame, positioning blocks are fixedly connected to the upper edges of the inner sides of the first mounting frame and the second mounting frame, and an adjusting assembly is arranged between the first mounting frame and the second mounting frame. The height of the traction assembly between the lead screw sliding frame and the lifting sliding frame can be adjusted through the adjusting assembly and rotation of the electric lead screw, the distance between the upper electric rotating roller and the lower electric rotating roller can be adjusted through lifting sliding of the first electric lifting sliding base and the second electric lifting sliding base, and meanwhile the distance between the upper electric rotating roller and the lower electric rotating roller can be adjusted. The relative displacement of the two guide baffles can be adjusted through rotation of the electric two-way threaded rod so as to prevent deviation and achieve directional traction of the PP plates, the flexible adjusting mode is suitable for assembly of equipment of different sizes, and the requirement for directional traction conveying machining of the PP plates of different sizes is met.

The present application relates to the technical field of fabric processing, and in particular to a fabric unwinding device, which comprises a frame and an unwinding roller arranged on the frame, the unwinding roller is provided with a fabric roll, the frame is provided with a first flattening component for flattening the unrolled fabric, the frame is also provided with a tensioning mechanism for tightening the flattened fabric, the first flattening component comprises a rotating roller rotatably connected to the frame and a bidirectional threaded belt fixed on the rotating roller, the surface of the bidirectional threaded belt abuts against the surface of the fabric, the tensioning mechanism comprises a plurality of clamping components and a rotating component for driving the clamping components and the fabric to move simultaneously, the clamping component comprises a first clamping plate and a second clamping plate arranged on the rotating component, and the frame is provided with a pushing component for pushing the first clamping plate and the second clamping plate away from or close to each other. The present application has the effect of reducing the tensile deformation of the fabric.

The utility model belongs to the technical field of film processing mechanical equipment, and relates to a film gluing machine which comprises a machine box, supporting frames are symmetrically and fixedly connected to the two ends of the machine box, rotating rods are rotationally connected to the inner sides of the supporting frames, the outer sides of the two rotating rods are sleeved with a film cylinder A and a film cylinder B respectively, and film grooves are symmetrically formed in the two ends of the machine box. A pressing roller A is rotationally connected to the lower end of the middle of the machine box, a positioning assembly is arranged on the outer side of the rotating rod, a driving assembly is arranged on the inner side of the supporting frame, an extruding assembly is arranged on the inner side of the machine box, and a tensioning adjusting assembly is arranged on the inner side of the supporting frame. By adjusting the position between the limiting block B and the limiting block A, clamping and positioning of the film cylinder A and the film cylinder B are achieved, the film cylinder A or the film cylinder B is prevented from moving back and forth when films on the outer sides of the film cylinder A and the film cylinder B are extracted or wound, and therefore when the films are glued, the film cylinder A and the film cylinder B rotate more stably.