11results about How to "Guaranteed repeat positioning accuracy" patented technology

The invention belongs to the technical field of metal wire feeding and printing, and relates to a quick-release wire feeding structure suitable for small-diameter metal wires. The wire feeding structure comprises a main body structure frame assembly serving as an installation reference and a force bearing main body of the whole mechanism; the quick-release wire feeding seat assembly is arranged in the main body structure frame assembly, and a through wire feeding channel is formed in the quick-release wire feeding seat assembly; the wire feeding shaft driving assembly is installed in the shaft hole of the main body structure frame assembly and used for driving the metal wire to move along the wire feeding channel; the wire feeding head assembly is installed at the outlet end of the main body structure frame assembly and used for guiding the metal wires; and the quick-release wire feeding seat assembly can be integrally taken out of and loaded into the main body structure frame assembly. The problems that operation and maintenance convenience is poor, and wire feeding stability and reliability are insufficient are solved.

This utility model relates to the field of positioning fixture technology and discloses a positioning fixture for CNC machining of stove bottom cups, including a base, a U-shaped clamp, an inner cylinder, and a sleeve. Columns are fixedly connected to the four corners of the upper surface of the base. This positioning fixture for CNC machining of stove bottom cups uses a U-shaped clamp slidingly engaged with a sliding groove and a rotating arm adjusting rod structure. Through a double locking mechanism of fastening bolts one and two, it can achieve multi-angle clamping adaptation and flexibly adjust the spatial position of the positioning chuck by sliding the adjusting rod to meet the clamping requirements of stove bottom cups of different specifications. The sleeve's built-in guide rod and the precise fit with the sliding groove form a longitudinal adjustment reference. Combined with the rapid fine-tuning of the adjusting nut and the spring buffer mechanism, it maintains positioning stability while ensuring adjustment accuracy. The hinge structure between the outer cylinder and the inner rod, combined with fastening bolt three, supports dynamic adjustment of the rotating arm's pitch angle, and is coupled with a vertical power system driven by a hydraulic rod.

The utility model belongs to the field of helical gear shafts, particularly relates to a helical gear shaft structure with an adjusting function, and aims to solve the problems that a transmission assembly needs to be completely disassembled during axial adjustment of an existing traditional helical gear shaft structure, axial fixation depends on a single threaded connection structure, and a radial limiting mechanism and an axial fixing device are mutually independent. Comprising a mounting shaft, and the outer wall of the mounting shaft is provided with a plane; the connecting sleeve is arranged outside the mounting shaft in a sleeving manner; the connecting sleeve is sleeved with the bevel gear body in a sliding mode, and a strip-shaped hole is formed in the outer wall of the connecting sleeve. A double-protective-sleeve linkage unlocking structure is adopted, the protective sleeves are rotated to drive the limiting strip-shaped plate to synchronously and transversely move, and the braking state of the pressing plate is rapidly relieved; by means of the three-stage unlocking mechanism of the protective sleeve, the pressing plate and the fixing screws, the steps of a traditional adjusting process are compressed, maintenance personnel do not need to use special tools, and all unlocking operation can be completed only by manually rotating the protective sleeve.

The invention discloses an angle-fixed cache frame adaptable to multi-size collecting and winding drums, and relates to the technical field of warehouse logistics equipment.The angle-fixed cache frame comprises a rack and a controller, an adjusting mechanism is arranged on the rack, a restraining mechanism is arranged on the adjusting mechanism, and the adjusting mechanism comprises a mounting box. According to the angle-fixed temporary storage frame capable of being matched with the multi-size winding drums, the temporary storage frame can be accurately and automatically matched with the winding drums with different lengths and diameters through the transverse adjusting module composed of a double-shaft servo motor, a threaded rod, a threaded block and a push rod and the longitudinal adjusting module for driving the mounting platform to ascend and descend through an air cylinder; an operator only needs to input parameters through the controller, automatic adjustment of the width and the height of the buffer frame can be completed, the adaptability of equipment to collecting drums of different specifications is greatly improved, the trouble that tools are frequently replaced or adjusted due to product model changing is avoided, and the space utilization rate and the production flexibility are remarkably improved.

The invention discloses a PCB collecting machine with an automatic edge searching and positioning mechanism, and relates to the technical field of PCB conveying. The conveying roller set is arranged on the machine base and used for conveying a PCB; the baffle is arranged at the output end of the conveying roller set; the edge searching and positioning mechanism is arranged at the gap of the transmission roller group; the plate collecting assembly is provided with a plate collecting end, and the plate collecting end is provided with an adsorption assembly; wherein the edge searching positioning mechanism is used for positioning the position of the PCB, the adsorption assembly is used for finely adjusting the adsorption position according to the position of the PCB, and the PCB can be prevented from being damaged to the maximum extent in the mode.

The invention relates to the technical field of alloy boring cutters, and particularly discloses an alloy cutter assembly and a cutter holder, the alloy cutter assembly comprises a cutter body, the middle part of which is provided with a guide hole; the movable shaft is slidably connected in the guide hole of the cutter body, one side of the movable shaft is fixedly connected with a threaded sleeve, the guide hole of the cutter body is fixedly connected with a mounting ring, the mounting ring is rotatably connected with a threaded rod, and the threaded rod is in threaded connection with the threaded sleeve; the adjusting knob is fixedly connected to the threaded rod, a hexagonal blind hole is formed in one end of the threaded rod, a sliding rod is slidably connected to the middle of the threaded rod, a blocking block is fixedly connected to one end of the sliding rod, and the blocking block slides in the hexagonal blind hole of the threaded rod; and the limiting disc is fixedly connected to the other end of the sliding rod. Through cooperation of the arc-shaped plate and the limiting disc, the direct adjusting behavior is physically prevented. Abnormal abrasion of threads between the threaded rod and the threaded sleeve caused by directly and forcibly rotating the adjusting knob due to forgetting or negligence of a correct process is avoided.

The utility model relates to a glove embryo mouth supporting device and belongs to the glove production technical field. It aims at solving the problem that the existing single drive mouth supporting device cannot be adjusted horizontally and the die sleeve accuracy is poor. The device comprises a moving platform, a first movable part and a second movable part slidingly arranged on the platform, and a plurality of support plate assemblies. The left support plate and the right support plate of the support plate assembly are arranged on the first movable part and the second movable part respectively. The first drive mechanism and the second drive mechanism are arranged independently and are used for driving the first movable part and the second movable part to move respectively. By independently controlling the two drive mechanisms, the center line of the opening of the support plate assembly can be horizontally offset when the glove embryo is opened, and the position can be adjusted in real time. The utility model breaks the rigid structure of the traditional device through the design of double drive independent control, can accurately compensate the position when the die sleeve fails, thereby significantly improving the die sleeve success rate and the production efficiency and enhancing the adaptability of the equipment.

The application discloses a reverse type transition groove row planetary roller screw, which comprises a screw rod, a plurality of first annular grooves are arranged on the outer wall of the screw rod and are parallel to the axial direction of the screw rod, the plurality of first annular grooves are divided into a plurality of annular groove groups, and the spacing between adjacent annular groove groups is d; a nut is coaxially arranged on the outer wall of the screw rod; a plurality of rollers are annularly arranged between the screw rod and the nut, the plurality of rollers are installed on the outer wall of the screw rod through a planet carrier, the axial direction of the rollers is parallel to the axial direction of the screw rod, each roller is provided with a transmission section, the transmission section is provided with a plurality of second annular grooves which are parallel to each other, the transmission section of each roller is oppositely arranged with one annular groove group, and the rollers are meshed with the nut and the screw rod through the transmission sections. The annular grooves of the rollers are matched with the annular grooves of the screw rod, the annular grooves of the rollers are matched with the threads of the nut, and the spacing between the plurality of annular grooves on the screw rod is offset, so that the planetary roller screw is not self-locked and runs at a constant lead.

The application relates to the technical field of terminal feeding, and particularly discloses a terminal feeding device for automobile wire harness production, which comprises a feeding structure, a guiding conveying device and a clamping feeding device. The feeding structure can orderly arrange and directionally convey terminals. The guiding conveying device is arranged at the bottom top surface rear end center of the feeding structure. The guiding conveying device can limit the terminals, buffer the feeding impact, stepwise transmit and accurately limit, and guarantees the stable and orderly conveying process. The clamping feeding device is arranged at the bottom top surface right end rear corner of the feeding structure. The clamping feeding device can clamp, limit and fix the terminals in the output end of the guiding conveying device, and accurately position and feed the terminals. The application improves the high precision, high stability and strong versatility of terminal conveying, can effectively reduce the terminal damage and jamming failure, and is suitable for the flexible production and accurate operation of terminals of multiple specifications.

This application relates to the field of machining technology and discloses a horizontal milling machining center, including a first guide rail, a second guide rail, and a tray. A milling body is mounted on the first guide rail, and a movable stage is mounted on the second guide rail. The movable stage is rotatable and used to fix the workpiece to be machined. The tray is detachably mounted on the movable stage. This horizontal milling machining center uses vertical and horizontal linear motion instead of traditional arc-shaped rotary motion to achieve tray exchange. Combined with an anti-contamination conical positioning structure and the significant differences in tray positioning states, it fundamentally solves the defects of existing technologies such as easy collisions during tray exchange, unstable positioning accuracy, and poor sensor reliability.

The application discloses a structure and method for controlling the coating weight of a patch, and belongs to the technical field of patch processing. The structure comprises a rack, a coating roller arranged on the rack, a coating assembly arranged in front of the coating roller, the coating assembly being movably connected to the rack and a coating gap being formed between the coating assembly and the coating roller, and a base material of the patch passing through the coating gap; a thickness gauge is arranged behind the coating roller, and the thickness gauge reciprocally moves to detect the thickness of the patch after coating; an adjusting mechanism is further arranged on the rack, the adjusting mechanism comprising an eccentric wheel and a distance meter, the eccentric wheel being rotatably arranged on the rack and being in contact with the coating assembly, and the distance meter being used for measuring the distance between the coating mold and the coating roller. The structure and method can adjust the coating gap according to the coating thickness of the patch, so as to ensure the stability of the coating weight in the production process of the patch; and the repeated positioning precision is high, and the coating gap can be quickly restored to a suitable gap after the coating gap changes, so that the consistency of the coating thickness of the patch is good.