10results about How to "Increase the pressing area" patented technology

The invention belongs to the technical field of high polymer material composite tarpaulin, and particularly relates to tear-resistant PVC (polyvinyl chloride) composite vehicle tarpaulin, equipment, a preparation method and application. The tarpaulin for the vehicle is composed of base cloth and PVC films attached to the two sides of the base cloth through PVC slurry. Wherein the PVC slurry comprises the following materials: 100 parts of PVC paste resin, 90-120 parts of a plasticizer, 4-8 parts of an adhesive, 11-12 parts of a viscosity reducer and 25-35 parts of PVC calcium powder; the thickness of the PVC slurry permeating into the base cloth is less than or equal to 1 / 3 of the thickness of the base cloth. Vehicle tarpaulin manufacturing equipment is improved, the bottom film pressing wheel and the surface film pressing wheel are additionally arranged to improve attachment of a PVC film and a large cylinder, an original padding process is changed into a transfer sizing method by means of the modified transfer sizing wheel set, the sizing gram weight and screen cloth permeation can be reduced, and the production efficiency is improved. The tarpaulin tearing performance is improved; and the tarpaulin has good stripping resistance and the like.

The utility model discloses a material pressing mechanism for a numerical control plate shearing machine, and relates to the technical field of plate processing, the material pressing mechanism comprises a plate shearing machine body, the plate shearing machine body is composed of a working table, a shell and a plate shearing assembly, the plate shearing assembly is arranged at one end of the working table, the shell is located on the upper side of the working table, and the shell is located on the lower side of the working table. And a feeding hole is formed in the lower part of the shell. According to the plate shearing device, plates with different widths are limited through the limiting structure, so that the plates are fed in a linear motion mode all the time, the situation that shearing is unqualified due to the fact that the plates incline in the shearing process is avoided, the plates with different thicknesses are pressed through the pressing structure, and the shearing efficiency is improved. The two first pressing rollers are matched with the second pressing rollers to replace a traditional multi-point fixing mode, the material pressing area is increased, and deformation caused by difference acting force generated between multi-point fixing and the workbench is avoided.

The utility model provides a highway tamping device for highway engineering, which relates to the technical field of highway engineering and comprises a main plate, a support is fixed at the top end of the main plate, a hydraulic push rod is mounted at the bottom end of the support, a first pressing plate is fixed at the output end of the hydraulic push rod, and two ends of the first pressing plate are rotatably connected with rotating shafts. A connecting block is fixed to the outer wall of the rotating shaft, and a second pressing plate matched with the first pressing plate is fixed to the end, away from the rotating shaft, of the connecting block. During tamping, a user rotates two rotating shafts to drive two second pressing plates connected with two connecting blocks to rotate, so that the two second pressing plates can expand the pressing area of a first pressing plate, and the effect of improving overall tamping is achieved; water in the water storage tank can enter the communicating pipe and the water outlet pipe through the water inlet pipe and then is atomized and sprayed out through the atomizing nozzles, and water mist dust falling treatment can be conducted on dust generated by tamping.

The utility model provides a buckle, belongs to the technical field of grape vine buckles, and aims to solve the problems that grape vines are easy to fall off when being stressed excessively, and operators are inconvenient to directly clamp the buckle on a grape trellis by hands, the buckle is provided with a ring body with a notch, and two end parts of the notch of the ring body are respectively an inner end part and an outer end part; the inner end part is arranged on the inner side of the outer end part, the inner end part is provided with a clamping column, and the outer end part is provided with a clamping ring part; the hook body is arranged on the ring body, a clamping hook groove is formed in the ring body, and a pressing plane is arranged on the side, away from the clamping hook groove, of the hook body.

The utility model relates to pit paper production technical field, concretely for a kind of for pit paper's gluing and mounting device. Including frame, glue tank, first drive belt, second drive belt, first power mechanism, guide roller and two limit rollers;First drive belt is installed on frame;Second drive belt is installed on the upper end of frame;First power mechanism is installed on frame for driving first drive belt and second drive belt synchronous movement;Guide roller and two limit rollers are rotatably installed at the bottom end of frame;Glue tank is located below guide roller, glue tank is rotatably installed with rubber-coated roller, glue tank is installed with the second power mechanism for driving rubber-coated roller rotation. The technical scheme can reduce the waste of glue in use, and the first drive belt and the second drive belt are used to press the pit paper, and the adhesion effect of pit paper is improved.

The utility model discloses an improved pressing rotation type ashtray, which belongs to the field of ashtrays, and comprises a shell, a pressing rotation mechanism and a baffle plate, the top of the shell is provided with an ash hole, the pressing rotation mechanism is arranged on the shell, the baffle plate is matched with the ash hole, the top end of the shell is also provided with a through hole, and the pressing rotation mechanism is arranged in the through hole and is connected with the baffle plate. The top end of the pressing rotating mechanism stretches out of the through hole and then is connected with a sealing pressing cap, the bottom end of the sealing pressing cap stretches into the position between the pressing rotating mechanism and the through hole, and a vertical moving gap is reserved between the sealing pressing cap and the through hole. According to the improved pressing rotating type ashtray adopting the structure, the sealing pressing cap is arranged, so that the sealing performance between the through hole and the pressing rotating mechanism can be improved on the premise of increasing the pressing area, and the possibility that smoke dust enters the space between the through hole and the pressing rotating mechanism is reduced.

The present invention discloses a thermal insulation aluminum veneer, which comprises: a plate body; a back flange; an angle code, at least the back flange is equipped with an angle code; a mounting plate, which is attached to the back of the plate body or welded to the back flange by metal glue, covering or partially covering the back of the plate body; bolts; an inner thermal insulation layer, which is paved on the mounting plate or the mounting plate and the exposed back of the plate body, and is penetrated by bolts; reinforcing ribs, which are provided with bolt holes for the rows and / or columns in the row-column matrix and for the bolts on the corresponding rows or columns, the reinforcing ribs are fixed by bolts, and suppress the inner thermal insulation layer; an outer thermal insulation layer, which is paved on the inner thermal insulation layer and connected to the inner thermal insulation layer, and covers the reinforcing ribs. The thermal insulation aluminum veneer based on the present invention has a relatively small overall thickness and relatively good reliability of thermal insulation layer fixation.

A flattening device for a flexible coiled material comprises a base (1), a feed roller (2), a shell (3), a sliding beam (4), a buffer (5), a guide wheel (6), a sliding device (7), a conveyor belt (8), and a pressing device (9). The base (1) is in contact with the ground; one end of the base (1) away from the ground is rotatably connected to the feed roller (2); a support column is provided on the base (1), and one end of the support column away from the base (1) is connected to the shell (3); the inner side of the shell (3) is connected to the sliding beam (4); the side of the sliding beam (4) is connected to the buffer (5); and the bottom of the sliding beam (4) is connected to the guide wheel (6). The device has a simple structure and is easy to operate. It can effectively flatten a bent flexible coil. The guide wheel (6) and the pressing device (9) can prevent the coil from deviating during the flattening process. The conveyor belt (8) can improve the flattening efficiency. The sliding device (7) can effectively accommodate coils of different widths, effectively improving the fixing effect. The pressing device (9) is provided with two sets of rollers, one horizontal and one vertical, which can effectively prevent warping.

The utility model discloses a patch double-upper jacking and removing device, and relates to the technical field of drip irrigation tape production, the patch double-upper jacking and removing device comprises a conveying plate, a conveying groove is arranged in the conveying plate, the conveying groove is used for conveying patches, a boss is arranged at the upper end of the conveying groove, a mounting plate is fixedly mounted on the boss, and a jacking mechanism is arranged on the mounting plate. According to the utility model, after the patch of which the direction does not accord with the specification is detected, the two groups of telescopic devices are started at the same time, so that the telescopic devices drive the pressing plate to move downwards, the pressing plate presses the patch behind the patch of which the direction does not accord with the specification and blocks the continuous movement of the whole patch, and then the rejecting device is started to reject the patch of which the direction does not accord with the specification. And the telescopic device moves the pressing plate upwards, so that the whole patch continues to move, and compared with a side jacking device, the device has the advantages that the pressing area is large, the patch can be accurately pressed, and the phenomenon of missing jacking is prevented.

A card edge connector comprises a lengthwise insulation body, a plurality of conductive terminals accommodated in the insulation body and a top card piece. The insulating body is provided with a slot for inserting an electronic card, the card jacking piece comprises a card jacking part, a first pressing part and a second pressing part, the second pressing part is fixed on the top surface of the first pressing part, force is applied to the first pressing part or the second pressing part, so that the card jacking part can jack out the electronic card, and the second pressing part is fixed on the top surface of the first pressing part. The space on one side of the electronic card can be saved.