9results about How to "No creases" patented technology

This utility model belongs to the field of punching equipment, specifically relating to a precision punching equipment for backpack shoulder straps. It includes a base plate, a support plate fixedly connected to the lower end of the base plate, a limiting mechanism on the support plate, and a bracket fixedly connected to the upper end of the base plate. A flattening mechanism is mounted on the bracket, and a punch is mounted on the flattening mechanism. This utility model uses a motor to drive a bidirectional screw to rotate and a top plate to perform a threaded movement. This causes a spring to elastically act on a sliding plate, allowing the clamping plate to move and clamp and limit backpack shoulder straps of different widths, ensuring precise strap positioning. Simultaneously, it avoids excessive clamping force that could deform the shoulder straps and affect processing accuracy.

The utility model discloses an automatic deviation rectifying device for coil stock, which belongs to the technical field of automatic control and comprises a frame, a conveying belt is mounted in the frame close to a feeding roller, support plates are fixedly connected to the front end and the rear end of the frame, deviation rectifying mechanisms are arranged at the tops of the two support plates, and the deviation rectifying mechanisms are mounted on the conveying belt. Two deviation rectifying mechanisms are arranged on the rack, a material deviation roller is installed between the two deviation rectifying mechanisms, a fixing block is fixedly connected to the position, close to the deviation rectifying mechanisms, in the rack, and an infrared sensor is installed at the front end of the fixing block. By means of the deviation rectifying mechanism and the matched infrared sensor, automatic deviation rectifying work is achieved, the steps of halting and manual deviation rectifying are omitted when roll materials deviate, time is saved, and working efficiency is improved.

A front hinge position is formed on a pile head, the glasses leg is divided into a glasses leg main body and a rear hinge position, a slot is formed at the front end of the glasses leg main body, an opening of the slot is forward, an insertion rod is formed at the rear end of the rear hinge position, the insertion rod is completely inserted into the slot from front to back, and the inner end of the insertion rod is pivoted in the slot. Rotating clamping teeth which are matched with each other are formed between the surface of the inserting rod and the inner wall of the inserting groove, the rotating clamping teeth are used for realizing angle adjustment and positioning of vertical rotation of the glasses legs, the rear hinge positions are just exposed out of the inserting groove, and the rear hinge positions and the front hinge positions are pivoted together, so that the glasses legs are hinged and mounted on the pile heads in an unfolding or folding manner. The utility model also discloses a pair of glasses using the structure. According to the structure, the angles of the glasses legs can be adjusted according to personal facial features to be suitable for the best comfortable state of a user, processing production and assembling operation are facilitated, and the glasses are more attractive.

The present invention provides a rotary shrinking machine for processing a drum of a drum dryer, comprising: a tensioning device for positioning a workpiece drum, a motor and a transmission structure for driving the workpiece drum to rotate, and a rotary wheel for rotary shrinking and forming the workpiece drum; the characteristics are that the axes of the workpiece drum, the first rotary wheel, the second rotary wheel and the third rotary wheel are parallel to each other in the same vertical plane; the first rotary wheel is fixed-axis rotationally matched and sleeved on the first rotary wheel shaft and positioned on the outer side of the workpiece drum; the second rotary wheel and the third rotary wheel are stacked and sleeved on the second rotary wheel shaft and positioned on the inner side of the workpiece drum; the inner diameter of the second rotary wheel is larger than the outer diameter of the second rotary wheel shaft, so that the second rotary wheel radially deflects around the second rotary wheel shaft under the pressure of the first rotary wheel; the third rotary wheel is fixed-axis rotationally matched with the second rotary wheel shaft; the first rotary wheel translated under the drive of the first oil cylinder, and the second and third rotary wheels translated under the drive of the second oil cylinder apply pressure to the cylindrical wall of the workpiece drum from both sides to complete the shrinking of the workpiece drum. The second rotating wheel can deflect radially during rotation to form a flexible contact with the workpiece roller. The workpiece roller is evenly pressurized during the shrinking forming process without wrinkles.

The utility model discloses a plastic food packaging bag cutting device, which relates to the technical field of plastic food packaging, and comprises a workbench, a bidirectional threaded rod, a fixed tensioning assembly and a driving device, the bidirectional threaded rod is movably connected to the bottom of the workbench, one end of the bidirectional threaded rod is fixedly connected with a first gear, and the other end of the bidirectional threaded rod is fixedly connected with a second gear. The driving device comprises a driving motor and a second gear. The fixed tensioning assembly comprises a first movable plate, a movable groove, a clamping plate and a reset spring. A reset spring drives a clamping plate to fix a packaging bag, then a driving motor is started to drive a first gear to drive a second gear to rotate, and then a two-way threaded rod rotates to drive a first movable plate to move relatively under the action that a first threaded groove is in threaded engagement with the outer walls of the two ends of the two-way threaded rod; and therefore, the purpose of tensioning the packaging bag is achieved, and the situation that the packaging bag is driven by a cutting knife to be wrinkled during cutting is avoided.

The invention discloses preparation equipment and a preparation method of dry electrode composite lithium battery paper. The preparation equipment of the dry electrode composite lithium battery paper comprises a first supporting wall plate and a second supporting wall plate which are oppositely arranged on a base, and a positive and negative pole piece manufacturing device, an isolating membrane unwinding device, a positive and negative pole piece flying shear stacking device and a composite lithium battery paper thermal compounding device which are assembled between the first supporting wall plate and the second supporting wall plate. The preparation method of the dry electrode composite lithium battery paper comprises the following steps: S1, quantitative feeding of positive and negative electrode dry pulp; s2, preparing positive and negative electrode membranes; s3, unwinding the positive and negative current collectors at constant tension; s4, trimming and shaping the positive and negative electrode films; s5, constant-tension unwinding of the isolating membrane; s6, carrying out flying shear cross-section stacking on the positive and negative pole pieces; and S7, thermally compounding the composite lithium battery paper. The manufacturing cost of the dry electrode composite lithium battery paper can be reduced, the environmental pollution can be reduced, and the method is suitable for preparing the dry electrode composite lithium battery paper.

The utility model belongs to the technical field of printing and dyeing equipment, and particularly relates to a cloth guide roller of cloth printing and dyeing equipment, which comprises two supporting plates, a rotating rod is rotatably arranged between the two supporting plates, a roller body is fixedly arranged outside the rotating rod, and a transmission mechanism is arranged at the left end of the rotating rod. The device comprises two supporting plates, adjusting rods are slidably arranged in the two supporting plates, limiting annular plates are fixedly arranged at the lower ends of the two adjusting rods, and symmetrical connecting rods are fixedly arranged on the front side walls and the rear side walls of the limiting annular plates. According to the cloth conveying device, cloth can be limited through the connecting rods, the fixing rings, the threaded rods, the fastening nuts, the fixing plates, the U-shaped plates and the limiting mechanisms which are arranged at the two ends, so that the cloth is in a tightened state, wrinkles cannot be generated in the conveying process, the machining quality is improved, and normal use in the later period is effectively prevented from being affected.

The invention belongs to the technical field of thermal paper printers, and in particular relates to a device for improving thermal printing speed by preheating thermal paper, comprising a thermal printer body, and also comprising: a paper feeding rubber roller and a thermal heating head, wherein the paper feeding rubber roller and the thermal heating head are arranged on the thermal printer body; a box body, wherein the box body is fixedly connected to the thermal printer body, a placement groove is arranged on the inner wall of the box body, a preheating rubber roller is fixedly connected to the box body, and two symmetrically arranged first sliding grooves are arranged on the inner wall of the box body, two first sliding blocks are respectively slidably connected in the two first sliding grooves, and a pressure roller is rotatably connected between the two first sliding blocks; the invention solves the problem that when the thermal printer further improves the printing speed on the existing basis, it is necessary to realize printing by increasing the power of the heating element of the thermal sheet or by extending the heating time, but the former will cause printing defects such as printing smear due to poor heat dissipation, and the latter will slow down the printing speed.

This utility model discloses a curing device for PET optical thin film coating, including a fixed frame and a fixed bracket. A top fixing mechanism is inserted into the top of the fixed frame, and multiple sets of UV lamps are fixedly installed on the top of the inner wall of the top fixing mechanism. An auxiliary support mechanism for film tensioning is provided inside the fixed frame, and a height adjustment mechanism for adjusting the film height is provided on the fixed bracket. The UV lamps are fixedly installed inside the top fixing mechanism, which can be detached from the fixed frame. This facilitates replacement and maintenance after the UV lamps age. The auxiliary support mechanism ensures that the film remains taut during curing, preventing wrinkles. The height adjustment mechanism allows the height of the auxiliary support mechanism to be adjusted, enabling thicker adhesives to approach the UV lamps and ensuring more complete and thorough curing.