115results about How to "Reduce clamping" patented technology

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.

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.

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.

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.

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.

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.

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.

The invention relates to an automatic centering compaction clamp for a Danfoss cylinder body. The automatic centering compaction clamp comprises a bottom plate, a workpiece support positioning base, a centering sleeve, guide pillars, spring compaction mechanisms and a lifting connection base, wherein the workpiece support positioning base is fixedly arranged in the middle of the upper part of the bottom plate; vertical guide pillars are fixedly and symmetrically arranged on two sides of the workpiece support positioning base; the spring compaction mechanisms are sleeved on the guide pillars; the lower parts of the symmetrical spring compaction mechanisms are fixedly arranged on the centering sleeve by a lower connection plate, and the upper parts of the spring compaction mechanisms are fixedly arranged on the lifting connection base by an upper connection plate; and the lifting connection base is coaxially arranged on a drill jig in a rotating mode. The automatic centering compaction clamp for the Danfoss cylinder body is reasonable in design, easy to operate and high in practicability, the labor efficiency can be improved effectively, the labor intensity can be reduced, and the automatic large-scale production can be realized.

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.

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.

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.

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.

The invention discloses a five-axis linkage tool grinder with a detection device. The tool grinder comprises a workbench, a spindle and an upright post; an X-axis sliding rail and an X-direction driving device are arranged below the workbench; the workbench axially slides and is positioned at the X-axis sliding rail; a positioning block capable of rotating around an X axis and a Z axis is fixedly arranged on the workbench; the spindle is fixed on a sliding table above the workbench; the sliding table can slide along a crossed sliding rail on the upright post towards a Y axis and the Z axis; the upright post is provided with a Y-axis driving device; the sliding table is provided with a Z-axis driving device; and the spindle is also provided with the detection device. Every feed shaft is provided with an independent driving device, so the axis linkage grinding can be realized; meanwhile, grinding wheels arranged on two sides of the spindle work cooperatively, so the clamping and adjusting times can be effectively reduced; and by the positioning detection device arranged on the spindle, the processing and positioning are more precise, and high-efficiency and high-precision part processing is realized.

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.

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.

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.

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.

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.

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.

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.

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.