47results about How to "Meet the requirements of cost control" patented technology

The invention provides a worm machining device. The worm machining device is used for machining a blank (1) into a worm, and comprises a movement mechanism, a base (91), an upright column (92), a milling cutter rotating driving motor (93) and a milling cutter (94); the movement mechanism is fixed on the base (91); the lower end of the upright column (92) is fixedly connected with the base (91); the milling cutter rotating driving motor (93) is mounted on the upper end of the upright column (92) and used for driving the milling cutter (94) to rotate; the milling cutter (94) is mounted on the milling cutter rotating driving motor (93) and used for cutting the blank (1); the movement mechanism comprises a blank carrying piece (2), a sleeve (3) with external threads, a driving sleeve (4) with internal threads and a frame (7).

The invention discloses a worm processing mechanism capable of automatically radiating heat. The worm processing mechanism is used for processing a blank (1) into a worm. The worm processing mechanism comprises a blank bearing member (2), a sleeve (3) with an external thread, a drive sleeve (4) with an internal thread, and a rack (7), wherein the blank bearing member (2) is used for bearing the blank (1), the upper end and the lower end of the blank bearing member (2) are respectively fixedly arranged in the sleeve (3) with the external thread by means of an upper bearing (21) and a lower bearing (22) relative to the sleeve (3) with the external thread, the sleeve (3) with the external thread is in thread fit in the drive sleeve (4) with the internal thread, the lower end of the drive sleeve (4) with the internal thread can be rotatably arranged on the rack (7) by means of a thrust bearing (47), a cavity (72) is arranged inside the rack (7), and in the cavity (72), a drive motor (8) is fixedly arranged on the left-inner side wall of the cavity of the rack (7).

The invention discloses a worm machining mechanism capable of automatically performing up-down limiting. The worm machining mechanism is used for machining a blank (1) into a worm and comprises a blank bearing member (2), a sleeve (3) with external thread, a driving sleeve (4) with internal thread and a rack (7), wherein the blank bearing member (2) is used for bearing the blank (1); the upper and lower ends of the blank bearing member (2) are axially and fixedly arranged in the sleeve (3) with the external thread relative to the sleeve (3) with the external thread through an upper bearing (21) and a lower bearing (22) respectively; the sleeve (3) with the external thread is matched in the driving sleeve (4) with the internal thread; the lower end of the driving sleeve (4) with the internal thread is arranged on the rack (7) through a thrust bearing (47) in a rotating manner.

A spiral gear machining mechanism used during machining of a blank (85) comprises a base (3), a rotatable inner threaded part (1), an outer threaded part (2) and a cylindrical workpiece bearing part (8). The rotatable inner threaded part (1) comprises an upper cylinder (11) and a lower cavity (12). The lower cavity (12) is connected to the base (3) in a circumferential rotatable and axial fixed manner. The outer threaded part (2) is cylindrical. The outer threads on the outer circumferential surface are connected with the inner threads in the upper cylinder (11) in a matched manner. A cavity (31) is arranged in the base (3) and provided with a top wall (32).

The invention relates to a worm rod processing mechanism with a driving motor separation baffle plate (111). The worm rod processing mechanism is used for processing a blank (1) into a worm rod, and comprises a blank carrying element (2), a sleeve (3) with external screw threads, a driving sleeve (4) with internal screw threads and a machine frame (7), wherein the blank carrying element (2) is used for carrying the blank (1), the upper end and the lower end of the blank carrying element (2) are respectively and fixedly arranged in the sleeve (3) with the external screw threads through an upper bearing (21) and a lower bearing (22) in a direction opposite to the axial direction of the sleeve (3) with the external screw threads, the sleeve (3) with the external screw threads is matched in the driving sleeve (4) with the internal screw threads through screw threads, and the lower end of the driving sleeve (4) with the internal screw threads is rotatablely arranged on the machine frame (7) through a thrust bearing (47).

A worm machining mechanism lower in weight is used for machining a blank (1) into a worm. The machining mechanism comprises a blank bearing part (2), a sleeve (3) with an external thread, a driving sleeve (4) with an internal thread and a rack (7). An upper ring-shaped flange (211) is arranged at the upper end of the blank bearing part (2), a lower ring-shaped flange (212) is arranged at the lower end of the blank bearing part (2), a ring-shaped cavity (23) is formed between the upper ring-shaped flange (211) and the lower ring-shaped flange (212), and the blank bearing part (2) with the ring-shaped cavity (23) makes the weight of the worm machining mechanism be reduced.

The invention provides a whole-drug-grade raw material tumor tissue cryopreservation liquid and application thereof, and the tissue cryopreservation liquid comprises the following components: a cryoprotectant, a human albumin injection and a compound electrolyte injection, wherein the cryoprotectant is selected from any one or more of dimethyl sulfoxide, ethylene glycol, polyethylene glycol, polyvinylpyrrolidone, sucrose and trehalose. The invention also provides a method for cryopreserving tumor tissues by using the tissue cryopreservation liquid, and application of the tissue cryopreservation liquid in cryopreservation of human tumor tissues and preparation of human tumor tissue cryopreservation products and the like. By using the tissue cryopreservation liquid, the tumor tissue can be stably cryopreserved for 12 months under the liquid nitrogen condition, the relative activity after resuscitation is high, the cell viability in the tissue is high, the number is large, the types are rich, and the integrity of nucleic acid and protein in the tissue is good.

The invention discloses a spiral gear processing mechanism with an adjustable processing speed. The spiral gear processing mechanism is used when a blank (85) is processed, and comprises a base (3), a rotatable internal thread element (1), an external thread element (2) and a cylindrical work-piece bearing element (8), wherein the rotatable internal thread element (1) comprises an upper cylinder section (11) and a lower chamber section (12); the lower chamber section (12) and the base (3) can circumferentially rotate and axially fixedly connected through a bearing device (13); the external thread element (2) is in a cylindrical shape; external threads are arranged at the outer circumference surface and are jointed with internal threads in the upper cylinder section (11); a hollow cavity (31) is formed in the base (3), and is provided with a top wall (32); a drive motor (4) is arranged in the hollow cavity (31).