10 results about "Extrusion tooth" patented technology

The utility model discloses automatic cold extrusion equipment for machining a double-end spline shaft. The automatic cold extrusion equipment mainly comprises a machine body, a feeding mechanism, a discharging mechanism, a pipe expanding clamping die, a gear extruding clamping die, a first pipe expanding mechanism, a second pipe expanding mechanism, a first gear extruding mechanism, a second gear extruding mechanism and a piece moving mechanism. By the adoption of the automatic cold extrusion equipment for machining the double-end spline shaft, a blank pipe can be reliably fixed through the pipe expanding clamping die and the gear extruding clamping die, the deflection problem is avoided, the machining precision is guaranteed, and due to the fact that the mode of pipe expanding and extruding at the two ends at the same time is adopted, the production takt is reduced by 50%, and the production efficiency is improved. The coaxiality and the straightness of the splines at the two ends of the shaft are improved, and meanwhile, the extrusion force is reduced, so that the tooth shape is fuller and more stable; and moreover, the part moving mechanism adopts a three-position synchronous part moving mode, so that the pipe expanding procedure and the gear extruding procedure can be carried out at the same time, the risk of machining consistency caused by part moving is greatly reduced, and the machining precision of splines at the two ends of the shaft is improved.

The utility model relates to the technical field of lubricating grease adding, in particular to a lubricating grease adding device of a grease injection gun. Filling is convenient, lubricating grease in the strip-shaped plastic packaging bag can be thoroughly extruded out, waste of the lubricating grease is reduced, and it is guaranteed that the site construction environment is clean; comprising two U-shaped frames, a hinged shaft and compression rollers rotationally installed on the two U-shaped frames, the two U-shaped frames are rotationally connected through the hinged shaft, the central axes of the two compression rollers are parallel to the central axis of the hinged shaft, and the distances from the central axes of the two compression rollers to the central axis of the hinged shaft are equal; rotary driving parts are fixedly mounted at the end parts of one group of pressing rollers; extrusion teeth and tooth grooves matched with the extrusion teeth are arranged on the two compression rollers, and the extrusion teeth on one group of compression rollers are meshed with the tooth grooves on the other compression roller; the extrusion teeth and the tooth grooves are parallel to the central axis of the compression roller; the device further comprises a tension spring, the two ends of the tension spring are hinged to the two U-shaped frames respectively, and the two U-shaped frames are elastically connected through the tension spring.

The utility model discloses a kind of pipe column inner and outer spline integrated forming tool and equipment, wherein, pipe column inner and outer spline integrated forming tool includes press mould and piece moving mechanism, press mould includes the first die holder and the second die holder that can be mutually close or far away, a pair of outer spline extrusion tooth mould and inner spline extrusion tooth mould and multiple pairs of pipe reducing male die and pipe reducing female die are arranged on the first die holder and the second die holder. First, the diameter of the two ends of pipe column is reduced by multiple pairs of pipe reducing male die and pipe reducing female die in multiple times, so that the shrinkage of each diameter reduction section is controlled within reasonable range, effectively avoid the problem that extrusion fails due to excessive extrusion force causing pipe column to bend, thereby greatly improving the yield rate, reduce production cost, and, the pipe column inner and outer spline integrated forming tool is added by piece moving mechanism, the transfer of feeding process, pipe reducing process, extrusion tooth process and discharging process can be realized, so that the processing of pipe column can be fully automated.

The invention discloses a dental floss essential oil supply device which comprises a mounting seat, a liquid adsorption head is mounted on the mounting seat, and is provided with a hole which is used for adsorbing and retaining essence; the liquid adsorption head is used for extruding the dental floss of the dental floss positioning seat, so that the pores are compressed and shrunk, and the essence at the pores is smeared to the dental floss of the dental floss positioning seat. The invention aims to provide the essential oil supply device for the dental floss so as to realize uniform essence smearing on the dental floss.

The application relates to the technical field of wastewater treatment, and discloses a machine tool chip removal wastewater treatment device adopting high-efficiency activated carbon, which comprises a supporting seat, a treatment box fixedly connected to the top of the supporting seat, a carbon plate fixedly connected to the inside of the treatment box, four supporting frames fixedly connected to the top of the treatment box, a driving box fixedly connected to the top of the supporting frame, an operation box arranged at the bottom of the driving box, an accelerating assembly arranged in the inside of the operation box, an oil forming assembly arranged in the inside of the treatment box; through cooperation of the accelerating assembly and the oil forming assembly, the first rotating rod drives the fixed rod to rotate through the rotating disc, the fixed rod drives the rotating strip to rotate, the rotating strip drives the extrusion tooth plate to move through the sector gear, the extrusion tooth plate drives the sealing plate to move, air in the gas conveying cylinder is then conveyed into the bubble nozzle through the bubble frame, oil in the sewage is gradually lifted through the bubbles, and the oil is attached to the surface of the bubbles, so that the effect of internal oil gathering is achieved.

The invention discloses a skull dissection support convenient to adjust, and relates to the technical field of skull dissection supports, the skull dissection support comprises a bottom frame and a placing frame, and a local adjusting assembly is arranged at the top of the bottom frame. According to the skull dissection support convenient to adjust, in the skull dissection process, when a certain position of the skull needs to be lifted, an operator holds the containing frame with one hand, the other hand pushes a connecting ring rod on the lower portion, the second hydraulic cylinder is moved to the position below the position needing to be adjusted, and then the second hydraulic cylinder is moved to the position below the position needing to be adjusted; then a first hydraulic cylinder is adjusted to drive extrusion teeth on an extrusion plate to make contact with the outer side of an annular adjusting rail, two triangular sliding blocks are limited, then the hydraulic cylinder is adjusted to drive a connecting block to ascend and descend, in the ascending and descending process of the connecting block, ascending and descending of the local position of the containing frame are achieved, and the containing table at the deflection rod corresponding to the connecting block ascends and descends; adjustment of the needed position in the skull dissection process is achieved through the local adjusting assembly, and the effect that the skull does not need to be disassembled and assembled repeatedly is achieved.

The invention relates to a multi-station cold heading forming method for a gear shaft, which sequentially comprises the following steps of: (a) obtaining a raw material, and cutting the raw material into a workpiece to be subjected to cold heading according to a preset size; (b) pre-punching: punching positioning holes in two end surfaces of the workpiece; (c) upsetting to form an internal thread blank hole: upsetting to form the internal thread blank hole based on the positioning hole; (d) roughly upsetting a tooth blank and a two-end square blank: primarily upsetting to form a tooth part blank and a two-end square blank; (e) upsetting a tooth blank and a square blank at two ends: finishing a tooth blank and a square blank; (f) forming a gear blank and two-end tetragonal parts: finishing final forming, and controlling the sizes of opposite sides of the tetragonal parts to be within a design range; and (g) cold heading extrusion tooth forming: performing cold extrusion forming to form a high-precision tooth shape. The invention further provides a detection method in the multi-station cold heading forming process of the gear shaft. The method has the advantages that the material utilization rate is increased, metal fiber continuity is kept, cost is reduced, and machining efficiency is improved.

The utility model relates to the technical field of toothbrushes, and particularly discloses an antibacterial toothbrush for hotels, which comprises a handle and a brush head, the brush head is fixedly connected to one end of the handle, a push rod is arranged in the handle, a toothpaste bag is arranged in the brush head, the other end of the handle is fixedly connected with a rubber cover, and the rubber cover is fixedly connected with a toothbrush handle. A supporting frame is arranged in the rubber cover and fixedly connected with one end of a push rod. Through the structures of the push rod, the push block, the top plate, the conical block, the discharge holes and the like, uniform extrusion of toothpaste is realized, when the push block is pushed, the top plate ascends to extrude the toothpaste bag, the conical block punctures the toothpaste bag to enable the toothpaste to overflow, and the toothpaste is uniformly distributed around the bristles through the discharge holes, so that non-uniform distribution of the toothpaste during tooth brushing is avoided; meanwhile, due to the fact that no additional rubber brush block or other objects are arranged on the surface of the brush head, the comfort degree during tooth brushing is guaranteed, tooth brushing actions cannot be blocked, and the overall use experience is improved.

The present application relates to the technical field of precision extrusion processing, in particular to a high-efficiency cold extrusion forming process for a fuse body, comprising the following steps: S1, feeding the cylindrical coil material steel wire to the press by using an automatic feeding device, and cutting the cylindrical coil material into cylindrical sections on the press; S2, automatically feeding the cylindrical sections into the extrusion die of the progressive die for extrusion upsetting; S3, automatically feeding the rod-shaped sections into the extrusion die of the progressive die for multi-stage extrusion, and finally forming the fuse body structure with a cap-shaped head, a middle diameter section and a small diameter section; S4, automatically feeding the fuse body structure into the extrusion tooth die, machining the middle diameter section into a tooth shape in the extrusion tooth die, and finally forming a complete fuse body; and S5, after all the processes are completed, cleaning and quality inspecting the fuse body. The present application solves the technical problems of complex process steps, low previous machining precision, low machining efficiency and high production cost in the prior art when machining small fuse bodies with teeth.

The utility model relates to the field of cleaning appliances, in particular to a toothpaste squeezing type electric toothbrush which comprises a brush handle and a brush cylinder, the brush handle is detachably installed at the upper end of the brush cylinder, bristles are arranged at one end of the brush handle, a connecting hole is formed in the other end of the brush handle, the bristles extend out of one end of the connecting hole, and a first one-way valve is arranged at the end, close to the bristles, of the connecting hole. The brush handle is further provided with a pressing pump, the pressing pump is inserted into the connecting hole, a second one-way valve is formed at one end of the pressing pump, the pressing pump is of a hollow structure, and a third one-way valve is arranged in the pressing pump. The inner portion of the pressing pump faces outwards to form a protrusion serving as a pressing block for pressing, the handle face, close to the pressing block, of the brush handle is provided with a pressing opening, an operator can supplement toothpaste in the toothpaste cavity, feeding can be completed by using conventional toothpaste on the market, and a customized toothpaste box assembly does not need to be additionally purchased for replacement.