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115results about How to "Reduce clamping" patented technology

Retractable syringe assembly designed for one use

A syringe assembly having a retractable needle, the syringe assembly being rendered unusable after a single injection and having a hollow syringe body, a retraction mechanism with a spring disposed in the front portion of the syringe and an inner head, a continuous retainer member surrounding the inner head, and a bridging portion disposed between the continuous retainer member and the inner head, wherein the bridging portion couples the continuous retainer member and the inner head to form a fluid seal between a fluid passageway and the barrel prior to retraction, and a plunger reciprocally disposed inside the barrel and forming a variable chamber between the plunger and the needle holder prior to and during retraction, wherein the continuous retainer member is releasable from the inner head of the needle holder when the plunger is further depressed inside the barrel following injection.
Owner:SHAW CO

Multi-station combined machine tool

The invention discloses a multi-station combination machine tool, which is characterized in that the machine tool comprises a rotatable worktable shaped like a circle or a regular polygon-shaped on which a plurality of stations are annularly arranged; one or a plurality of machine tools are arranged in the location of each station corresponding to at least part of the stations; a tool equipment of a positioning workpiece is arranged on the corresponding station in a processing location of the corresponding machine tool. The multi-station combination machine tool of the invention has high processing efficiency and high precision.
Owner:梁刚

Full-automatic multi-procedure synchronous machining composite numerical control machine tool

The invention discloses a full-automatic multi-procedure synchronous machining composite numerical control machine tool. The full-automatic multi-procedure synchronous machining composite numerical control machine tool comprises a base and a dividing plate, the dividing plate is evenly provided with a plurality of hydraulic clamps, and a feeding station, a first station, a second station, a third station, a fourth station, a fifth station and a discharging station are sequentially arranged on the base around the dividing plate; and the first station is provided with a first milling device for milling a tooth opening in a workpiece, the second station is provided with a second milling device used for milling an installing step on the workpiece, the third station is provided with a third milling device used for removing burrs, the fourth station is provided with a fourth milling device used for milling an inclined bottom groove in the workpiece, and the fifth station is provided with a fifth milling device used for milling a conical surface locking opening in the workpiece. The full-automatic multi-procedure synchronous machining composite numerical control machine tool is simple and reasonable in structure, convenient to operate and capable of completing different procedures for machining the workpiece on one machine, so that the number of times of clamping and positioning is decreased, and the working efficiency and the machining accuracy are improved.
Owner:江苏极钢厨具有限公司

Environment-friendly dust removal device

The invention discloses an environment-friendly dust removal device. The environment-friendly dust removal device comprises a frame composed of supporting feet and a top plate, universal wheels are arranged at the bottoms of the supporting feet, a control pipe device is arranged in the frame, a first cavity is formed in the control pipe device, first sliding connection grooves are equally formed in the left side inner wall and the right side inner wall of the first cavity, first screw joint rods are arranged in the first sliding connection grooves, a first sliding connection block is in movable fit connection with the interior of the first cavity, a second cavity is formed in the position, below the first cavity, in the control pipe device, a guide connection groove is formed in the inner wall of the right side of the second cavity, a guide connection rod is arranged in the guide connection groove, a guide connection frame with the left side penetrating into the second cavity is in movable fit connection with the guide connection rod, and a first inclined wheel is arranged in the guide connection frame penetrating into the second cavity. The device is simple in structure and convenient to operate, and has multiple purposes, equipment investment is reduced, the metal workpiece clamping and positioning frequency is reduced, time and labor are saved, dust after grinding can be treated in the same device, and the environment-friendly coefficient is high.
Owner:JIANGSU XINYE HEAVY IND

Manufacturing method of hard-base soft-structure internal combustion engine connecting rod

ActiveCN103921097AThe principle is simpleSimple and reliable manufacturing processMetal working apparatusBatch productionEngineering
The invention discloses a manufacturing method of a hard-base soft-structure internal combustion engine connecting rod. The method includes the following steps of forging of a blank, coarse grinding of end faces, boring, rough boring of a large-head hole and a small-head hole, chamfering of the large-head hole, threaded hole machining, fracture splitting of a large-head end and assembling, accurate grinding of the end faces, semi-fine boring of the large-head hole and the small-head hole, tegular groove milling and oil groove boring, fine boring of the large-head hole and the small-head hole, flat grinding of the large-head end, parkerizing of the small-head hole, and cover removing, cleaning and assembling. The connecting rod comprises the large-head end, a rod body and a small-head end, the large-head end and the small-head end are arranged at two ends of the rod body respectively, the connecting rod is of an integral structure, and a connecting rod cover is arranged at the large-head end of the connecting rod. The manufacturing method is simple in principle, a manufacturing technique of a traditional internal combustion engine connecting rod is improved to provide a feasible and reliable manufacturing technique for the hard-base soft-structure internal combustion engine connecting rod, and particularly precision and performance of a soft structure of the small-head end of the connecting rod are guaranteed. Meanwhile, the method has the advantages of simple technique and low manufacturing cost, and is convenient for batch production.
Owner:广东四会实力连杆有限公司

SMF20-50 multi-station drill boring machine

The invention discloses an SMF20-50 multi-station drill boring machine, comprising a pagoda disc seat and bases. The bases are all distributed on the left side, the right side, and the middle of the plane around the pagoda disc seat. The pagoda disc seat is provided with a pagoda disc. The pagoda disc comprises a locating shaft arranged in the center of the pagoda disc. At least four layers of step clamping surfaces are arranged by using the locating shaft as a center. Each base is moveably provided with a sliding table. The sliding table is provided with a power head. The power head is provided with a drill head. The direction of the drill head points to the pagoda disc. Through the SMF20-50 multi-station drill boring machine disclosed by the invention, three holes can be drilled while one-time clamping positioning is carried out, and the machining precision is guaranteed by the self precision of a machine tool without repeated clamping and repeated adjusting, so that the clamping and adjusting time is greatly shortened. The three holes are simultaneously machined so as to largely shorten the machining time. The SMF20-50 multi-station drill boring machine disclosed by the invention has the advantages of high precision, short process flow, and small cumulative error, lightened labor intensity and improved machining efficiency; in addition, the assembly interchangeability of parts is very good.
Owner:常州华东人防设备有限公司

Single-face clamping hole forming method of double-side stepped hole part

The invention discloses a single-face clamping hole forming method of a double-side stepped hole part, and belongs to the technical field of hole processing. The single-face clamping hole forming method main comprises the following steps that S1, an upper counterbore, a stepped hole and a lower counterbore are subjected to rough milling; S2, the lower counterbore is subjected to milling; S3, the upper counterbore and the stepped hole are subjected to fine boring, a boring tool is mounted, the knifepoint direction of a tool bit of the boring tool is confirmed when SPOS of a machine tool is 0, the knifepoint direction is adopted as the forward direction of the X axis, then, the boring tool stretches along the Y axis into the upper counterbore and the stepped hole to perform boring, after boring, the machine tool stops, the tool bit of the boring tool still points the forward direction of the X axis, then, the boring tool retracts in the negative direction of the X axis, L1 equals to 0.1mm, and then, the boring tool retracts upwards along the Y axis; and S4, the lower counterbore is subjected to reverse boring. According to the single-face clamping hole forming method, the upper counterbore is bored to the required size in a set boring manner, the stepped hole is bored to the required size in a set boring manner, the lower counterbore is bored to the required size in a set boringand reverse boring manner, the clamping and datum transformation times is decreased, precision like surface roughness and coaxiality of to-be-processed holes is guaranteed, and hole processing efficiency is improved.
Owner:CHENGDU AIRCRAFT INDUSTRY GROUP

Flexible assembly welding robot workstation

The invention discloses a flexible assembly welding robot workstation that comprises a global vision unit, a flexible welding robot group, a gantry truss detection unit, a master control unit and a conveying platform; the flexible welding robot group is arranged on the two sides of the conveying platform, welding workpieces are arranged on the conveying platform, the global vision unit is arrangedon the periphery of the flexible welding robot group, the gantry truss detection unit is arranged above the conveying platform, and the flexible welding robot group is controlled by the master control unit to conduct welding according to obtained image information. The high integration degree, high flexibility and high efficiency of the welding robot are achieved, the problems that manual assembly spot welding position deviation is large, and workpiece consistency is poor are solved, and the workpiece clamping and transferring frequency is effectively reduced. Multi-position assembly spot welding of workpieces is achieved, seamless connection of welding procedures is achieved, and the assembly precision, the welding consistency and the welding quality are improved.
Owner:XIAN ZHONGKE PHOTOELECTRIC PRECISION ENG CO LTD

Bridge equipment

The invention discloses bridge equipment, which comprises a frame body and a bottom frame, wherein the frame body comprises support columns and a top frame; the bottom frame is arranged at the bottom of the frame body; a cover plate is fixedly arranged at the tops of the support columns; a control member is arranged in the frame body; a first hollow cavity is arranged in the control member; first sliding grooves are symmetrically arranged at the inner walls of the left side and the right side of the first hollow cavity; a first spiral rod is arranged in each first sliding groove; the inside of the first hollow cavity is connected with a first sliding block in a sliding fit manner; a second hollow cavity is arranged in the control member at the lower part of the first hollow cavity; a guide groove is formed in the inner side of the right side of the second hollow cavity; a guide rod is arranged in the guide groove; the guide rod is connected with a guide frame of which the left side extends into the second hollow cavity in a sliding fit manner; and a first cone pulley is arranged in the guide frame extending into the second hollow cavity. The bridge equipment is simple in structure and convenient to operate, the multi-purpose target can be achieved, equipment investment is reduced, steel plate clamping and locating frequency is reduced, and time and labor are saved, thereby improving the bridge construction efficiency and accelerating the construction progress.
Owner:叶利萍

Automatic labeling equipment for plugging explosion propagation hole of perforating cartridge case shell

The invention relates to the field of automatic labeling equipment, in particular to automatic labeling equipment for plugging an explosion propagation hole of a perforating cartridge case shell. Theautomatic labeling equipment comprises an annular conveying line, a feeding mechanism, a labeling mechanism and a discharging mechanism, the feeding mechanism, the labeling mechanism and the discharging mechanism are distributed in the running direction of the annular conveying line, a cartridge case tray is placed on the annular conveying line, the annular conveying line drives the cartridge casetray to move along the annular conveying line, and the cartridge case tray is jacked up through a positioning jacking mechanism, so that the cartridge case tray is positioned and separated from the annular conveying line to stop moving. The automatic labeling equipment has the beneficial effects that automatic labeling is achieved, the production efficiency is improved, the cartridge case tray can be kept still at the designated position through the jacking mechanism, the positioning labeling accuracy is improved, and the labeling quality is guaranteed.
Owner:SICHUAN PETROLEUM PERFORATING EQUIP

Electronic tensile machine for testing performance of carbon fiber composite

The invention provides an electronic tensile machine for testing performance of a carbon fiber composite. The electronic tensile machine comprises a clamping mechanism, wherein the clamping mechanism comprises a U-shaped base, clamping bodies and wedge-shaped sliding blocks, and the clamping bodies are fixed in positions, close to an opening, of inner walls of two sides of the base respectively; opposite surfaces of the two clamping bodies are inclined surfaces; the wedge-shaped sliding blocks are fixed on the inclined surfaces of the two clamping bodies respectively; the wedge-shaped sliding blocks slide up and down relative to the clamping bodies; surfaces, contact with the clamping bodies, of the wedge-shaped sliding blocks are sliding surfaces, surfaces opposite to the sliding surfaces are clamping surfaces, the clamping surfaces are vertical surfaces, and included angles formed by the sliding surfaces and the clamping surfaces are 20-40 degrees; when the two wedge-shaped sliding blocks slide towards the opening of the U-shaped base, the distance between the clamping surfaces of the two wedge-shaped sliding blocks is shortened. Compared with the prior art, the electronic tensile machine has the advantages that the inclination degree of the wedge-shaped sliding blocks is increased, the process for clamping furnace pieces is shortened, and the probability of sliding and displacement of the furnace pieces is reduced.
Owner:ANHUI JIALIQI AEROSPACE CARBON FIBER CO LTD

Letter box device

The invention discloses a letter box device which comprises a device body composed of a supporting rod and a top beam. A control assembly is arranged inside the device body. A first hollow cavity is formed inside the control assembly. First sliding grooves are symmetrically formed in the left and right sides of the first hollow cavity. A first screw rod is arranged inside each first sliding groove. A first sliding block is connected to the interior of the first hollow cavity in a sliding fit mode. A second hollow cavity is arranged inside the portion, below the first hollow cavity, of the control assembly. A guiding moving groove is formed in the inner wall of the right side of the second hollow cavity. A guiding moving rod is arranged inside the guiding moving groove. A guiding moving frame is connected to the guiding moving rod in a sliding fit mode, wherein the left side of the guiding moving frame penetrates into the second hollow cavity, and a first slope wheel is arranged inside the guiding moving frame penetrating into the second hollow cavity. The letter box device is simple in structure, convenient to operate, capable of achieving multiple purposes, lowering device input, decreasing the letter box clamping and positioning frequency and saving time and labor, thereby improving the production efficiency and machining precision.
Owner:盐城智能终端产业园区开发运营有限公司

Spiral bevel gear machining method based on universal four-axis numerical control machine tool and ball-end milling cutter

The invention relates to a spiral bevel gear machining method, in particular to a spiral bevel gear machining method based on a universal four-axis numerical control machine tool and a ball-end milling cutter. By steps of tooth surface discrete point calculation, gear solid modeling, ball-end milling cutter diameter determination, cutter path creation, tooth surface machining parameter calculationand tooth surface machining process, various spiral bevel gears can be machined on a universal four-axis numerical control miller without purchasing of expensive special machine tools or milling cutter discs. Compared with gear blend surfaces machined by milling cutter discs, the blend surface machined by the ball-end milling cutter has larger radius of curvature, and bending fatigue strength ofthe gears can be improved. Compared with the one-side cantilever arrangement mode when the gears are machined by the milling cutter discs, the two-end support mode of a chuck and a tailstock tip has better rigidity, deformation caused by cutting force can be reduced, and accordingly, machining accuracy of tooth surfaces is improved.
Owner:YANGTZE UNIVERSITY

Universal angular milling head virtual axis numerical control programming method

The invention provides a universal angular milling head virtual axis numerical control programming method and relates to a milling head programming method. The method aims at solving the problem that machining can not be achieved by a machine tool through a numerical control programmed program because of the adoption of the principal axis direction which can not be achieved or defined by the machine tool in the use process of a universal angular milling head. The method specifically includes the following steps that the theoretical position of the virtual axis of the milling head is set, the theoretical deflection position of a tool is determined, a gap between a tool bit and a workpiece is calculated, tool length compensation is conducted, the program is executed, and the tool starts to work. The method is applied to a numerical control milling machine which can not achieve special angle machining, four-axis machining can be achieved by a three-axis machine tool, five-axis machining can be achieved by a four-axis machine tool, numerical control programming application problems of the universal angular milling head are solved, and the use range of the machine tool is expanded.
Owner:航天科工哈尔滨风华有限公司

Brush Production Device, Brush Body Holder And Method For Producing A Brush

The invention discloses a burst production device in which a brush body (8), which has openings for receiving and fastening bristles and which is part of the brush to be produced, has a brush body holder (9), wherein at least one brush body (8) is releasably insertable to form a form-fitting temporary unit which is transported into the device, through the device and out of the device. The brush body holder (9) is designed to have a mechanical stop (40) against the brush body (8) from moving forward or moving away from the brush body holder (9). Furthermore, corresponding brush body holders and a manufacturing method are described.
Owner:FIRMA G B BOURCHERIE NV

Letter box device with high efficiency

The invention discloses a letter box device with high efficiency. The letter box device comprises a machine body composed of supporting rods and a top beam, wherein an operation assembly is arranged in the machine body, a first hollow cavity is arranged in the operation assembly, first sliding grooves are symmetrically formed in the inner walls of the left side and the right side of the first hollow cavity, a first screw rod is arranged in each first sliding groove, a first sliding block is in sliding fit connection in the first hollow cavity, a second hollow cavity is formed in the operation assembly below the first hollow cavity, a guide moving groove is formed in the inner wall of the right side of the second hollow cavity, a guide moving rod is arranged in the guide moving groove, a guide moving frame with the left side penetrating into the second hollow cavity is in sliding match connection on the guide moving rod, and a first bevel wheel is arranged in the guide moving frame penetrating into the second hollow cavity. The letter box device with high efficiency is simple in structure and convenient to operate, multiple purposes can be realized, thus the equipment investment can be reduced, the letter box clamping and positioning times is reduced, time and labor are saved, and further, the production efficiency and the machining precision are improved.
Owner:盐城智能终端产业园区开发运营有限公司

Quasi-five-axis machining centre and machining method thereof

The invention discloses a quasi-five-axis machining centre and a machining method thereof. The quasi-five-axis machining centre comprises an AC rotary table structure, wherein the AC rotary table structure comprises a C-axis rotary table, the C-axis rotary table comprises a bridge frame plate with one end which is supported and connected to a first support table, and the other end which is supported and connected to a second support table, and a crossing shaft ring capable of freely rotating around a C-axis is further assembled on the bridge frame plate; a rotary plate is arranged by being parallel to the axis direction of an A-axis, and supported and connected to the rotary end surface of the crossing shaft ring, a shaft sleeve is further arranged on the rotary plate, and a rotary bearing capable of freely rotating around the C-axis is arranged in the shaft sleeve; a machining main shaft is detachably connected with a drive pin, and when the rotary bearing moves to be below the drive pin, the drive pin is inserted in the middle hole of the rotary bearing. According to the quasi-five-axis machining centre and the machining method thereof disclosed by the invention, the rotary power source of the C-axis is from the machining main shaft of a common vertical machine, and the existing common vertical XYZ three-axis machine can be utilized, thus furthest reducing the machining cost of polyhedral components; moreover, the machining accuracy is high and the equipment structure is simple.
Owner:SUZHOU MINGZHI TECH

Scissor type lifting tool for plate stacking

ActiveCN104803277AImprove securityElimination of stray and strippingLoad-engaging elementsWork in processMechanical engineering
The invention relates to a scissor type lifting tool for plate stacking. The scissor type lifting tool comprises a scissor type lever mechanism, a main frame, a locking device and a lifting rod, wherein the scissor type lever mechanism comprises two bilaterally symmetrical connecting rod mechanisms, the main frame comprises a fork-shaped bottom plate, a machine body connected onto the fork-shaped bottom plate as well as machine body crosspieces and push-pull handles which are arranged on the machine body, the locking device comprises bottom locking rods, short locking connecting rods, locking rods, a steel unlocking cable and an unlocking pull ring which are connected onto the upper side of the machine body, and the lifting rod is arranged at the top of the machine body. Compared with the prior art, the scissor type lifting tool has the advantages that the lifting tool is safe and reliable, the working efficiency is improved, the quality of semi-finished products is guaranteed and the like.
Owner:SHANGHAI DAZHONG XIANGYUAN POWER SUPPLY

Movable rotary drilling machine for decoration

The invention discloses a movable rotary drilling machine for decoration. The movable rotary drilling machine comprises a base, a stand column and a main shaft box, wherein a weight increasing bottomplate is arranged at the top end of the base, and the stand column is fixedly connected to the center position of the weight increasing bottom late; a rocker arm is arranged on the stand column; a cantilever is welded to one end of the rocker arm, and a telescopic shaft is connected to an inner hole of the cantilever in an inserted mode; the main shaft box is arranged at the top end of the telescopic shaft, and a connecting base is arranged on the side wall of one side of the main shaft box; and a spring pulling pin is arranged on the outer wall of the connecting base. According to the movablerotary drilling machine, the connecting base and the spring pulling pin are added so that the main shaft box can rotate in four directions, and working range of the drilling machine is expanded; a protruding block of the inner wall of the cantilever is used for being in seamless insertion connection with a groove in the outer wall of the telescopic shaft so that the telescopic shaft can only transversely move in the cantilever, and precision of machining a workpiece by the main shaft box is improved; universal wheels are arranged at the bottom part of the base, so that flexible movement of the drilling machine is realized; and therefore time and labor are effectively saved, and working efficiency is greatly improved.
Owner:安徽大富智慧云科技有限公司

Workpiece machining method

ActiveCN106862592ASolve common processing problemsReduce clampingTool holdersTurning machinesThree-dimensional graphSoftware
The invention discloses a workpiece machining method and relates to the technical field of mechanical machining. According to the workpiece machining method, a workpiece fixing device installed on a main shaft of a numerical control machining center and a tool apron for installing cutters and fixed to a workbench of the numerical control machining center are included, and a machining path is furthermore included. The machining path generating process includes the steps that (1), a precise three-dimensional graph with the proportion being 1: 1 is drawn through software according to the structure of a workpiece to be machined; (2), the machining region of the three-dimensional graph is determined, and then the three-dimensional graph is cut according to an X-Z plane; (3), a cutting plane line and a center line of the three-dimensional graph are extracted, the extracted cutting plane line is subjected to deviation according to the size of the machining region; (4), the deviated cutting plane line is rotated by 180 degrees with the X axis as the main axis and the center point as the benchmark, and finally the rotated cutting plane line is selected as the machining program to generate the machining path. By means of the workpiece machining method, the numerical control machining center for the workpiece can replace numerical control lathe machining, the requirement for machining a Z-negative direction structure of the workpiece is met, and work efficiency is improved.
Owner:GEER TECH CO LTD

Vacuum chuck for processing of aeronautical laminas

The invention relates to a vacuum chuck for processing of aeronautical laminas. The vacuum chuck comprises a fixture body and seal strips, wherein grooves are formed in the upper surface of the fixture body; the seal strips are embedded in the grooves; a feed-through aspirating hole is axially formed in the center of the fixture body; and the bottom end of the aspirating hole is connected to an air compressor through an air pipe. The tool fixture reduces clamping deformation effectively, avoids oscillation when parts are processed, and guarantees processing precision and surface quality of a workpiece; and moreover, one tool fixture realizes clamping of various products, so that manufacturing cost is reduced greatly.
Owner:苏州市新鸿基精密部品有限公司

Multi-station brush-making rotating platform

InactiveCN101862076AReduce clampingReduce the number of removalsBrush bodiesSquare cross sectionBristle
The invention relates to a multi-station brush rotating platform which comprises a rotating platform, a bottom plate, a lifting rod, a rotating shaft, fixtures, a bracket, a connecting plate and a connecting rod, and is characterized in that the longitudinal cross section of the rotating platform is in a square, and the sides of the square cross section are respectively provided with the fixture with the same size; an upper, a left, a lower and a right stations are arranged on the rotating platform; the rotating shaft penetrates through the center of the square cross section along the transverse direction and is installed on the bracket; and the bracket is connected with the lifting rod by the connecting plate. The multi-station brush rotating platform leads the techniques of clamping the plate, planting bristle, flattening the bristle and discharging the plate to be realized on a same brush making machine, thus reducing the times for clamping and disassembling a brush plate, shortening the production time, improving the production efficiency, and reducing the machine input cost.
Owner:扬州市帕沃精密机械厂

Laser processing device adopting pseudo-coaxial visual system

The invention discloses a laser processing device adopting a pseudo-coaxial visual system. The laser processing device comprises a galvanometer square head, an optical main beam, a focusing field lens, a camera, a lens, an upper sealing lens assembly, a sealing cover, a lower sealing lens assembly, an annular light source and a 45-degree reflecting lens. In actual work, working coordinates are adjusted and a laser processing path is controlled through the specific pseudo-coaxial visual system, targets in any shapes can be tracked, automatic identification, automatic detection positioning and automatic processing can be realized, so that a to-be-processed product does not need to be clamped and positioned by a tool clamp, the product can be processed as long as the product is flatly placed at any angle, midway material carrying and clamping of the to-be-processed product are reduced, the production efficiency is greatly improved, and the production process is simplified; and the problems of difficult feeding, poor positioning and low speed caused by difficult design and manufacturing of a clamp in batch irregular product marking are solved.
Owner:广东国玉科技股份有限公司

Rotary clamp tool for tire mold

The invention discloses a rotary clamp tool for a tire mold. The tool comprises a base, wherein a right arc guide plate is arranged above the base and located at the right side, a left arc guide plate is arranged above the base and located at the left side, and a right clamping plate is arranged on the upper side of the right arc guide plate; guiding teeth are arranged on the lower side of the right clamping plate, a deflection mechanism is arranged at the right side of the right arc guide plate, and a gear is arranged on the lower side of the guiding teeth; the gear is connected with the deflection mechanism, a deflection hand wheel is connected to the deflection mechanism, and a fixed plate is arranged above the left arc guide plate; a tensioning plate is arranged on the upper side of the fixed plate, a positioning bolt is arranged on the upper side of the tensioning plate, and a guide plate is arranged at the left side of the right clamping plate; a tension nut is arranged at the left side of the guide plate, traction shafts are arranged at the front side and back side of the tension nut, and guiding shafts are arranged at the front side and back side of each traction shaft; a tension lead screw is arranged at the right side of the right clamping plate, and a tension hand wheel is arranged at the right side of the tension lead screw. The tool has the beneficial effects that clamping and horizontal deflection of the tire mold are achieved at the same time, repeated positioning and clamping are effectively reduced, operation is easy, and labor intensity is low.
Owner:ZHUCHENG ZHIXIN MOLD EQUIP

Gypsum block molding device and operation method thereof

The invention discloses a gypsum block molding device and an operation method thereof. The gypsum block molding device comprises a hydraulic device, a mold bottom plate, a bottomless mold, ejector rods and a rack; insertion slots and insertion holes are formed in the mold bottom plate; the hydraulic device is fixedly provided with the bottomless mold; a plurality of mold cores and partition platesare arranged in a cavity of the bottomless mold at intervals; when the hydraulic device drives the bottomless mold to make contact with and match with the mold bottom plate, the partition plates areinserted in the insertion slots of the mold bottom plate, the mold cores are inserted in the insertion holes of the mold bottom plate, and the cavity of the bottomless mold can be divided into a plurality of molding cavities with lower openings being closed through the partition plates; an ejector rod fixing frame is fixedly arranged on the rack, and the multiple ejector rods are fixedly arrangedon the ejector rod fixing frame and located over the molding cavities; and when the hydraulic device drives the bottomless mold to move upwards, gypsum blocks are jacked out of the bottomless mold through the ejector rods. The gypsum block molding device has the advantages of high production efficiency, good product quality, high stability and safety and convenient repairing and maintenance.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Honing machining center

The invention provides a honing machining center. The honing machining center has two kinds, one kind comprises a built-in feeding mechanism, and the other kind comprises an external feeding mechanism. According to the honing machining center, before the honing machining center is used, cutting tools and honing heads are located inside a tool magazine, when honing operations need to be performed, one honing head is transferred from the tool magazine to a main shaft component by a cutting tool changing device, by doing so, the machining center can automatically replace and install ordinary cutting tools and also can automatically replace and install the honing heads to make the machining center have the function of replacing the honing heads directly after fine boring is finished, repeated positioning of workpieces is not needed, the processes of the repeated positioning and clamping of machined parts are reduced, the geometric accuracy and the inner hole surface roughness of the machined parts are improved, and the production efficiency is improved; meanwhile, the machining center can select the honing heads of different models from the tool magazine, and rough-honing and fine-honing machining of inner holes of different diameters can be finished; and in addition, the honing heads are provided with plug gauge measuring heads, the size accuracy of the workpieces is made to reach the range of being less than or equal to 0.01, and the roughness value of the parts is made to reach the range of being less than or equal to Ra0.1.
Owner:宁夏中卫大河精工机械有限责任公司
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