30results about How to "Guarantee the quality of the workpiece" patented technology

The invention discloses a clamp for machining of electrodes. The clamp comprises a first clamp body and a second clamp body, which are fixed on a work bench, wherein a plurality of fixation holes are uniformly distributed at equal intervals on the first clamp body, U-shaped slots are formed on the second clamp body and in the positions corresponding to the fixation holes, and the axis of each fixation hole and the axis of the corresponding U-shaped slot are co-linear and are parallel to the work bench. During the fabrication of the clamp, firstly equal division lines are drawn on a blank and cut at a certain depth, and then the blank is cut into two clamp bodies from the middle and the first and the second clamp bodies are machined respectively according to the equal division lines after cutting. When the clamp for machining of electrodes is used, the clamp effectively ensures the coaxiality and consistency of work pieces to be processed and improves the machining precision of work pieces, can machine multiple work pieces at the same time, and can not only increase the machining efficiency but also ensure the quality of work pieces and exchangeability of multi-cavity moulds. Besides, the clamp for machining of electrodes has a simple machining method, is easy to fabricate and is low in cost.

The invention provides a three-item terminal welding machine comprising a machine frame, a PLC controller installed on the machine frame, a linear guide rail horizontally laid on the upper surface ofthe machine frame, a tool platform which slides along the linear guide rail, solder welding mechanisms oppositely arranged on the left side and the right side of the tool platform, a jacking displacement mechanism which located below the upper surface of the machine frame and can jack the tool platform and a solder conveying device installed on the machine frame. The tool platform is provided witha locating tool device. The three-item terminal welding machine can automatically achieve butt joint and welding work between a terminal and an outgoing line, is convenient to operate and high in efficiency and guarantees workpiece quality.

The present invention provides an automatic feeder device for lathe. Said automatic feeder device is placed by workpiece holder of lathe, and includes the following several portions: material-supporting pipe placed on the machine frame, material-feeding cylinder placed at one side of said material-supporting pipe, slide plate fixedly connected on said material-feeding cylinder and can be axially moved along the material-supporting pipe and two material-feeding devices through which the rod material can be passed are placed on the machine frame. Said two material-feeding devices include one mobile material-feeding device and one fixed material-feeding device. Its operation is convenient, stable and reliable.

The scraper voltage stabilizing system provided by the present invention includes a scraper and a vacuum box for adjusting the air pressure in the inner cavity of the scraper, a first electromagnetic valve, a second electromagnetic valve, a vacuum pump and a central controller, wherein the central controller is connected with the inner cavity of the scraper respectively. connected to the pressure sensor, the first solenoid valve and the second solenoid valve, which includes a data processing module and a sending instruction module, and can control the first solenoid valve and the second solenoid valve according to the air pressure value measured by the pressure sensor. The solenoid valve is adjusted to control the air pressure in the inner cavity of the scraper to maintain a stable value. The present invention maintains the constant pressure of the inner chamber of the scraper through the above-mentioned closed-loop voltage stabilization control, further realizes the stability of the resin liquid level in the inner chamber of the scraper and the effective removal of air bubbles, and guarantees the laser light curing molding printer using the doctor blade voltage stabilization system The printing success rate and the quality of the printed workpiece during printing.

The invention discloses an automatic quenching production line, and belongs to the field of plate spring shaping and heat treatment equipment. The automatic quenching production line is characterized by comprising a stepping type quenching furnace, a plate spring bending shaping device and a quenching pond. The stepping type quenching furnace is linked with the plate spring bending shaping device through a mechanical hand, and the plate spring bending shaping device is linked with the quenching pond through an oil inlet mechanism. The plate spring bending shaping device comprises a shaping machine frame, a feeding mechanism, a length alignment mechanism, a width alignment mechanism, a shaping device and a material supporting lifting mechanism; the feeding mechanism, the length alignment mechanism, the width alignment mechanism, the shaping device and the material supporting lifting mechanism are installed on the shaping machine frame. Heating, shaping and quenching operation of a plate spring can be automatically implemented, various working procedures are automatically and continuously executed, linage is compact, and the product production efficiency and the output quality are greatly improved.

The invention provides a cutting machine tool for crankshaft connecting rod production. The cutting machine tool comprises a compartment body, a sawing machine, a clamping device, a numerical control main unit, a hopper and a material box, wherein the compartment body is provided with a sawing machine operation window and a clamping operation window; the clamping device comprises a support, a cross sliding table, a cylinder, a lever structure, a pressing block, a limiting block and a rotatable servo motor; both a Y-axis sliding rail and an X-axis sliding rail of the cross sliding table are arranged horizontally, and are connected through a sliding block; a Y-directional screw rod structure and a Y-directional servo motor are arranged in the Y-axis sliding rail; an X-directional screw rod structure and an X-directional servo motor are arranged in the X-axis sliding rail; the lever structure and the cylinder are fixed above the X-axis sliding rail; two ends of a lever are respectively connected with a telescopic rod of the cylinder and the pressing block in a hinged manner; the limiting block is arranged on the X-axis sliding rail and is connected with the rotatable servo motor through a transmission mechanism; and the numerical control main unit is electrically connected with the rotatable servo motor, the Y-directional servo motor and the X-directional servo motor. The cutting machine tool for crankshaft connecting rod production reduces the labor intensity of a worker, eliminates the potential safety hazards and guarantees the quality of a workpiece.

The invention relates to a sealed forging device, wherein two ends of an upper die fixing plate and a lower die fixing plate are respectively connected with a vertical column and are arranged between a die frame upper plate and a die frame lower plate; two ends of the upper die fixing plate are movably connected with the vertical column; two ends of the lower die fixing plate are fixedly connected with the vertical column; an upper cylinder fixed at the die frame upper plate is arranged between the die frame upper plate and the upper die fixing plate; an upper cylinder piston rod connected with the upper die fixing plate is fixedly arranged on the upper cylinder; a material jacking device which is matched with a lower die is arranged between the die frame lower plate and the lower die fixing plate; and a die punching device is further fixedly arranged on the lower die fixing plate. When the vertical column on the die frame is mainly stressed, only the upper die fixing plate is moved but the lower die fixing plate is arranged on the vertical column and is not moved; left and right punching heads are also fixed through a left baffle plate and a moving baffle plate and are moved through a slide rod; according to the structure, a bending force implemented on the vertical column on the die frame is completely canceled, so that the whole device is higher in stability and stronger inpracticability, and moreover the machining precision and the quality of a workpiece are ensured.

The invention provides an ejecting type jig for grabbing workpiece. The ejecting type jig is used for grabbing the workpiece on a mold and drives the workpiece to move away from the mold under the thrust action of a plurality of pushing ejector pins of the mold in the process of ejecting the workpiece by the separated ejector pins of the mold. The jig comprises a jig plate and an ejecting mechanism, wherein a plurality of through holes are formed in the jig plate; the jig plate is arranged on a fixing mechanism; the ejecting mechanism comprises a ejecting plate, a plurality of connecting shafts and a plurality of springs; one ends of the connecting shafts are fixedly connected with one side face of the ejecting plate respectively; the other ends of the connecting shafts penetrate through the through holes in the jig plate respectively; the connecting shafts are sleeved with the springs; the two ends of each spring abut against the jig plate and the ejecting plate respectively in a loosening state; and the other side face of the ejecting plate corresponds to one face provided with the pushing ejector pins on the mold. According to the technical scheme, the ejecting plate grabs the workpiece at the beginning and then compresses the springs to drive the workpiece to move together, so that the damage to the workpiece due to the change of the relative position between the ejecting plate and the workpiece is reduced.

The invention discloses an iron filings cleaning device for mechanical processing, which comprises a frame, a hopper, a screening mechanism, an oil guide plate, an iron filings collection mechanism and a screw baffle; the hopper is erected on the frame, and a screening groove is set at the center of the hopper ;The screening mechanism is arranged on the lower side of the screening tank, and the bottom of the screening mechanism is provided with an oil guide plate and a blanking guide plate. On the contrary; the chip collecting mechanism is detachably connected with the oil deflecting plate, and the lower end of the oil guiding plate faces the feeding port of the chip collecting mechanism. In the present invention, the processed workpiece falls into the hopper and falls into the screening mechanism from the screening trough, and the iron filings on the surface of the workpiece are shaken off and separated with the operation of the screening mechanism to complete the cleaning of the workpiece surface and ensure the quality of the workpiece; After being transported to the blanking guide plate, the iron chips and cooling oil slide down from the oil guide plate into the iron filings collection mechanism, and the cooling oil is recycled to avoid environmental pollution and waste of resources.

The invention discloses an aerostatic electric spindle and a cooling device thereof. The aerostatic electric spindle comprises a shell, a sleeve, a radial bearing, a revolving shaft, a rotor and the like, wherein the inner wall of the shell is provided with at least one groove; the groove axially extends on the inner wall of the shell; the outer wall of the sleeve and the inner wall of the shell are fixed and bound; the groove forms a path for containing a coolant; the inner wall of the sleeve and the outer wall of a radial bearing are bound; the radial bearing is cylindrical; the revolving shaft is contained in the radial bearing; the radial bearing is used for forming an air film between the inner wall of the radial bearing and the revolving shaft; the revolving shaft is supported by the air film; and in addition, one end of the revolving shaft is fixedly connected with the rotor. According to the invention, the radial bearing, the revolving shaft and other components can be effectively cooled so as to avoid the problem that the precision is affected because components such as the revolving shaft and the like in the aerostatic electric spindle are subjected to thermal deformation because of lacking of the heat radiation measures to the radial bearing part.

The invention relates to a method for processing a zigzag internal thread. The flank angle of the working surface of the zigzag internal thread is 3 degrees, and the flank angle of the non-working surface of the zigzag internal thread is 30 degrees. The method comprises the steps that firstly radial feed is performed twice, then axial feed matched with the radial feed is carried out on the non-working surface for three times, then radial feed is carried out once, the axial feed matched with the radial feed is carried out on the working surface twice, then the radial feed is carried out once, and finally the axial feed matched with the radial feed is carried out on the working surface once. The processing method adopts a positive and negative cutting method, and after ten times of cutting,it is ensured that cutting chippings can be cut from both the non-working surface and the working surface, and the chipping shape is a V shape, so that the problem of the crack of the working surfacewhen the zigzag thread is processed is solved effectively.

The invention relates to an assembling tool, particularly relates to a dustproof cover assembling machine, and belongs to the technical field of machinery. The invention mainly solves the problems that the existing dust cover needs labor assembly, so that the operating procedure is complex, the labor is wasted, the assembling efficiency is low, the insecurity is caused and the qualification rate is low. The dustproof cover assembling machine comprises a rack and a working platform, wherein the working platform is horizontally arranged on the rack and is provided with a lower bottom plate; the lower bottom plate is provided with a positioning device; an upper top plate is arranged above the positioning device and is provided with a jacking device; the jacking device and the positioning device are vertical to the working platform and do reciprocating movement in a matching manner; a guide rod is fixedly arranged between the lower bottom plate and the upper top plate at the two sides of the jacking device and the positioning device; and the upper top plate and the lower bottom plate are connected by a supporting rod. The dustproof cover assembling machine has the advantages of simple operating procedure, labor-saving effect, high assembling efficiency, safety, reliability and high qualification rate.

The invention relates to the technical field of laser machining and provides a laser deburring method which comprises the following steps of: acquiring an actual outline of a workpiece and a burr outline through a workpiece image, determining a start point coordinate and an end point coordinate according to a distance between the actual outline of the workpiece and the burr outline, and cutting the burr according to the start point coordinate and the end point coordinate of the burr of the workpiece. With the adoption of the method, a part with the burr is only required to be cut, and deburring treatment is not required to be performed on the whole outline of an object, so that the deburring efficiency is improved. Simultaneously, the workpiece quality is ensured since parts without the burrs on the workpiece are not influenced by laser heat.