32results about How to "Reduce breakage damage" patented technology

The invention discloses a natural rubber composition material as well as a preparation method and application thereof. A raw material composition of the natural rubber composition material is preparedfrom the following components according to the parts by weight: 85-92 parts of natural rubber, 8-15 parts of butadiene rubber, 4-10 parts of activator A, 0.5-2 parts of activator B, 2-6 parts of anti-aging agent, 2-4 parts of protective wax, 1-3 parts of tackifier, 10-25 parts of carbon black, 3-8 parts of white carbon black, 1-1.4 parts of vulcanizing agent, 0.1-0.4 parts of accelerant A, and 1.2-2.5 parts of accelerant B. The natural rubber composition material prepared from the invention is low in damping coefficient, and excellent in mechanical property, and capable of improving the fatigue radiating feature of the material, relieving the fracture and damage of a rubber chain caused by the fatigue rapid heating, improving the durability life, improving the high temperature resistancefeature of the vulcanized rubber, and reducing the high temperature creep deformations of the vulcanized rubber. A prepared automobile engine suspension damping material NVH has the good control effect, and the service life of a road test reaches the standard.

The invention discloses a waste plastic crushing machine which comprises a crushing main body, the top of the crushing main body communicates with a feeding hopper, the two sides of the crushing main body are rotationally connected with dust removal door plates through hinges correspondingly, a connecting groove is formed in one side of each dust removal door plate, a discharging door plate is arranged at the lower part of one side of the crushing main body, the crushing main body comprises a crushing shell, fixing plates are fixedly connected to the side faces of the inner wall of the crushing shell, a dust discharging device is arranged at the lower part of one side of each fixing plate, a supporting frame is fixedly connected to one side of each fixing plate, a crushing mechanism is arranged at the end, away from the corresponding fixing plate, of each supporting frame, and classification mechanisms are arranged at the lower part of one side, close to the corresponding crushing mechanisms, of the crushing shell. According to the waste plastic crushing machine, flying dust generated during crushing work is prevented from being sprayed out of the feeding hopper and the discharging door plate and is not inhaled into the body of a worker to affect and the body health of the worker.

The invention discloses a mounting structure for automobile trunk shelves, which comprises a side trim panel, a shelf and a mounting part, the shelf is connected with the side trim panel through a rotary shaft, the side trim panel is provided with a bent part, the rotary shaft is integrally arranged on a vertical section, and the vertical section is also provided with welding holes; welding posts are arranged on the inner side of the bent part of the side trim panel, and the bent part of the side trim panel is provided with a through pin hole; the mounting part is located at the inner side of the side trim panel, a pin runs through the through pin hole, the welding posts are located in the welding holes and welded as a whole, the vertical section of the mounting part is in contact with the inner side of the bent part of the side trim panel, and a horizontal section of the mounting part is in contact with the inner side of the side trim panel. The mounting structure can enhance the carrying capability of the rotary shaft, so that the head of the rotary shaft can be prevented from breaking.

A wall-mounted type respiratory disinfecting box for threaded pipes comprises a box body and an upper cover matched with the box body. A liquid inlet pipe is communicated with the box body; a liquid outlet pipe is arranged at the lower end of the box body; a drainage partition board with a hole is also arranged at the lower part of the box body; a threaded pipe fixed pipe is arranged on another partition board at the water inlet of the box body; and a liquid level meter is also arranged on the box body. In the invention, the threaded pipes can be placed in the disinfecting box in parallel to be dipped completely, and the disinfecting effect is good; because the threaded pipes are fixed in the water pipe and washed continuously, the residual disinfecting fluid can be avoided; the wall-mounted type design does not occupy the room area; the water level in the disinfecting box can be displayed directly through the liquid level meter; the quantity of the disinfecting liquid required to be added is marked by scales in advance; the water level can be determined according to the quantity of the threaded pipes required to be disinfected every day; the disinfecting liquid can be added according to the mark; the operation is simple, and the waste of the disinfecting liquid can be avoided; the hands of an operator can be free from contacting with the disinfecting liquid in the process of disinfecting the threaded pipes, thereby the damage to skins is avoided; and when the threaded pipes are dipped in the disinfecting box, a pipeline can not be bent, so that the cracked damage of the pipeline can be reduced, and the service life of the pipeline is prolonged.

The invention discloses a pipe bending machine and a pipe bending method. The pipe bending machine comprises a guide column body, a fixing piece and a rotating mechanism, wherein a first recess is formed in the side wall of the guide column body; the first recess surrounds the guide column body by taking the axis of the guide column body as a center and is matched with the outer side wall of a pipe; the fixing piece is used for fixing the pipe on the guide column body; the rotating mechanism comprises a driving piece and a propping piece; the propping piece is provided with a second recess which is opposite to the first recess and is matched with the outer side wall of the pipe; and the driving piece is used for driving the propping piece to move along the first recess of the guide column body. According to the pipe bending machine, a pipe clamping end, namely the fixing piece, stays in a fixed state, and a bending forming mechanism, namely the rotating mechanism, dynamically changes to gradually bend the pipe, so that the phenomenon that one end part of the pipe is broken and damaged because the pipe clamping end exerts a large acting force on the end part for a long time can be overcome; and compared with a bending machine in the prior art, the pipe bending machine can produce a higher-quality bent pipe.

The invention relates to the technical field of cable manufacturing equipment, in particular to a winding device for cable manufacturing, including a winding table; a winding column is rotatably connected to the winding table, and a heating device is provided on one side of the winding table. The heating sleeve is provided with a heating assembly, and a heating groove is opened inside the heating sleeve, and the cable passes through the heating groove and can be heated by the heating assembly; the invention uses the heating sleeve to heat the insulation layer outside the cable Softening can reduce the difficulty of winding the cable due to the hard surface when it is processed in cold weather, and also reduce the breakage and damage of the cable during the winding process. At the same time, the end of the heating groove that fits the cable It can scrape off the impurities adhered to the surface of the cable, especially the small hard objects on the surface of the cable, so as to reduce the impurity that will puncture the skin of the cable under the winding and extrusion of the cable during the subsequent winding. In this case, the working quality of the winding device is improved.

The invention discloses a small hole punch breaking prevention punching die. The die comprises an upper die and a lower die, wherein the upper die comprises an upper clamping plate, a stopping plate and a stripper plate; an elastic space is defined between the upper clamping plate and the stopping plate; the lower die comprises a lower die plate, and a two-segment punch; the punch comprises a columnar knocking rod and a sub-punch which comprises a stopping part and a punch part which is positioned below the stopping part; the radial width of the punch part is smaller than that of the stopping part, and the radial width of the punch part is smaller than that of the knocking rod which penetrates through the stopping plate to be positioned in the stripper plate; the stopping part is positioned in the stripper plate, and the punch part penetrates through the stripper plate; corresponding to the punch part, a waste passing hole is formed in the lower die plate. According to the invention, the breaking loss of the punch can be effectively reduced, the die repairing time is shortened, the high safety of the die is guaranteed, the production efficiency is improved, the production stability is ensured, additional waste during product production can be avoided, the purpose of reducing the production cost of the product is achieved, and the punching die is more convenient to disassemble, assemble and replace.

The invention discloses a production process of a metal bellows, which comprises the following steps: ① corrugated plate blanking and calendering deformation; ② shot peening treatment; ③ welding; ⑤ heat treatment; ⑥ embedded graphite ring; polishing. The process of the present invention is suitable for single-layer or multi-layer corrugated metal welded bellows. Its main feature is that after shot peening treatment, the corrugated plate will produce a certain micro-deformation, which improves the fatigue life of the corrugated tube and can reduce the corrugated tube in Crack and fracture damage during use; the welding process method invented at the same time increases the welding strength of the bellows, reduces the oxidation of the bellows during welding; the heat treatment process of the present invention reduces the oxidation produced during the heat treatment of the bellows, and Make its elastic properties more stable. Therefore, the invented welding and heat treatment process reduces the loss of bullets, rupture and fracture damage of the bellows during use.

The invention belongs to the technical field of video surveillance, and specifically relates to a video surveillance implementation method and surveillance equipment. The video surveillance surveillance equipment includes a camera, an infinite network bridge, and a housing. The housing is composed of a No. 1 hemispherical shell with the same diameter and a The No. 2 hemispherical shell, the No. 1 hemispherical shell and the No. 2 hemispherical shell are respectively provided with a No. 1 central rod and a No. 2 central rod, and the No. 1 hemispherical shell and the No. The No. 2 hemispherical shell is fastened and fitted. The No. 1 hemispherical shell is provided with a card plate, and the No. 2 hemispherical groove is provided with a matching card slot. By tightening the card plate and the card slot, the No. 1 The locking force of the mating surface of the hemispherical shell and the No. 2 hemispherical shell enhances the protection ability of the shell to the camera and reduces the rupture damage of the mating surface of the shell when it is hit.

The invention provides a structure of a soft-packed battery, which can solve the problems of the existing soft-packed battery that the performance of the soft-packed battery is affected due to the large internal resistance, large calorific value and power loss due to the welded connection between the tab and the battery electrode sheet, including Several positive electrode sheets and several negative electrode sheets wrapped in a packaging shell, the positive electrode sheets and negative electrode sheets are separated by a separator, the packaging shell is filled with electrolyte, and the positive electrode sheets are positive electrode substrates coated with positive electrode materials , the negative electrode sheet is a negative electrode substrate coated with negative electrode materials, the positive electrode substrate is provided with a positive electrode lead end, the negative electrode base material has a negative electrode lead end, and it is characterized in that: the positive electrode lead end extends out of the packaging shell to form As for the positive tab, the lead-out end of the negative electrode extends out of the packaging shell to form the negative tab, and also provides a manufacturing method for the soft-packaged battery.

The application relates to a prefabricated building wall panel installation machine, which relates to the technical field of building installation; it includes a frame and a storage box arranged on the side wall of the frame, and a vertical shaft for driving the storage box to move vertically is arranged on the frame. Conveyor assembly, the frame is also provided with a horizontal conveyance assembly for driving the storage box to move in the horizontal direction; one side of the storage box is provided with a fixed frame plate, and there is a passage between the fixed frame plate and the storage box for a single wall panel to pass through. The connecting port, the side of the storage box far away from the fixed frame plate is provided with a first driver for pushing the bottom wallboard into the fixed frame plate; the end of the fixed frame plate is fixedly connected with a rotating rod, and the storage box is provided with a The second driving member that drives the rotary rod to rotate in the circumferential direction, one side of the fixed frame plate is open, and the side wall of the fixed frame plate facing away from the opening is fixedly connected with the third driving member for pushing out the wallboard in the fixed frame plate; the present application The utility model has the effects of reducing the labor intensity during the installation of the wall panel and improving the installation efficiency of the wall panel.

The invention discloses a method for manufacturing an artificial panel, which comprises the following steps: making a mould; selecting materials; pouring the surface layer; When the slurry is not yet solidified, press a layer of reinforcement mesh on its surface, so that the reinforcement mesh completely enters the slurry, and scrape the surface; maintenance; demoulding; surface treatment. The panel prepared by the invention has two layers of reinforcement nets with complete stress release and a layer of thermal insulation material. The panel has better strength, toughness, and anti-split performance, and has a good heat and sound insulation effect at the same time.

A reciprocating piston lubrication pump (10) with a component (12) is proposed, comprising an opening (14) having at least one cylindrical portion (16), and having at least one piston (18) comprising a radially outer surface (20) at least partially constructed by a coating (22), where when the radially outer surface is located in the cylindrical portion, the coating (22) is coated on the radially outer surface (20). The gap between the radially outer surface of the piston and the component is between 1 [mu] m and 20 [mu] m, wherein the surface hardness of the coating at the radially outer surface is 2 to 10 times higher than the surface hardness of the region (24) of the component forming the cylindrical portion.

The invention discloses a mounting structure for automobile trunk shelves, which comprises a side trim panel, a shelf and a mounting part, the shelf is connected with the side trim panel through a rotary shaft, the side trim panel is provided with a bent part, the rotary shaft is integrally arranged on a vertical section, and the vertical section is also provided with welding holes; welding posts are arranged on the inner side of the bent part of the side trim panel, and the bent part of the side trim panel is provided with a through pin hole; the mounting part is located at the inner side of the side trim panel, a pin runs through the through pin hole, the welding posts are located in the welding holes and welded as a whole, the vertical section of the mounting part is in contact with the inner side of the bent part of the side trim panel, and a horizontal section of the mounting part is in contact with the inner side of the side trim panel. The mounting structure can enhance the carrying capability of the rotary shaft, so that the head of the rotary shaft can be prevented from breaking.

The invention discloses an anti-pull-cut punching die with a deformed small punching head. The punching die comprises an upper die and a lower die, wherein the upper die comprises an upper clamping plate, a stop plate and a stripper plate which are positioned in sequence, and an elastic space is formed between the upper clamping plate and the stop plate; the lower die comprises a lower die plate, a product to be punched is arranged between the stripper plate and the lower die plate, the punching head in the shape of an inverted frustum and a protection sleeve positioned outside the punching head in an axial sleeving manner are additionally arranged, a first via hole is formed in the stop plate in correspondence to the protection sleeve, a place reserving hole is formed in the stripper plate, the protection sleeve is fixedly arranged on the upper clamping plate and penetrates through the first via hole to extend into the place reserving hole, a second via hole is formed in the stripper plate in correspondence to the punching head, a third via hole is formed in the lower die plate, and the punching head penetrates through the second via hole. According to the punching die, the pull-cut damage of the punching head can be effectively reduced, the die repair time is shortened, the safety of the die is guaranteed, the production efficiency is improved, the production stability is ensured, the additional waste of product production is avoided, and the purpose of reducing the production cost of the product is achieved.

The invention discloses a pipe bending machine and a pipe bending method. The pipe bending machine comprises a guiding column, a fixing piece and a rotating mechanism. A first concave part is arranged on the side wall of the guiding column. The first concave part surrounds the guiding column with the axis of the guiding column as the center, and is matched with the outer side wall of a pipe. The fixing piece is used for fixing the pipe to the guiding column. The rotating mechanism comprises a drive piece and an abutting piece. The abutting piece is provided with a second concave part opposite to the first concave part, and the second concave part is matched with the outer side wall of the pipe. The drive piece is used for driving the abutting piece to move along the first concave part of the guiding column. The clamping end, namely the fixing piece of the pipe is in a fixed state, a bending forming mechanism, namely the rotating mechanism is in a dynamic change for the pipe to be gradually bent, and the phenomenon that due to the fact that the clamping end of the pipe is subjected to large acting force for a long time, the end portion of the pipe is fractured and damaged can be avoided. Compared with a bending machine in the prior art, the quality of a bent pipe obtained through the pipe bending machine and the pipe bending method is higher.

The invention provides an on-board electric wrench, comprising a flywheel, an output shaft, a lug boss and an impact block. A pin shaft which is used for positioning the impact block is sheathed with a torsion spring; two forcing ends of the torsion spring are respectively positioned on a position limit retaining pin and the impact block; the distance between the center of the positioning hole ofa steel ball and the center of the pin shaft complies with the requirement that the chord length corresponding to the motion track of the steel ball is more than the radius of the positioning hole ofthe steel ball. The invention replaces a pulling spring with the torsion spring, changes the adjusting position, leads the adjustment of the impact force and the recovery force of the impact block tobe realized by the rigidity of the torsion spring and the steel ball supporting spring respectively, solves the contradiction that adjustment of the impact force and the recovery force of the impact block is integrated into a whole on the pulling spring, meets the impact force of the wrench design, leads the recovery of the impact block to be slow, leads the engagement surface of the impact blockcan always push through the forcing surface of the convex block and convex shoulder before the screw is screwed or after the screw is loosened so as to achieve the continuous operation, and has the advantages of fully automation of loosening and tightening the screw, complete engagement of the impact block and the root of the convex block, and long service life.