36results about How to "Small clamping deformation" patented technology

The invention discloses an air cylinder sleeve clamp which comprises a base, a first swing mechanism, a second swing mechanism and a synchronous driving device, wherein the base is a plane symmetry structure relative to a given symmetrical plane; the base provides an initial support structure; the initial support structure is also symmetrical relative to the given symmetrical plane; the first swing mechanism is mounted on one side of the symmetrical plane on the base and is provided with a first V-shaped positioning part; the corresponding first swing axis is parallel with the symmetrical plane and the positioned air cylinder sleeve; the first swing mechanism and the second swing mechanism are symmetrical relative to the symmetrical plane; the second swing mechanism is mounted on the baseand provides a second V-shaped positioning part; and the synchronous driving device is used for synchronously driving the first swing mechanism and the second swing mechanism to enable the two swingmechanisms to move in the same or opposite directions. The air cylinder sleeve clamp can clamp the air cylinder sleeve in a fast and reliable manner.

The invention provides a tooling random support part which is characterized by comprising a base, a support rod and a support head. One end of the support rod is fixed on the base, the other end of the support rod is connected with the support head in a universal rotation mode, the support head is provided with a support face which is in contact with a supported face of a work piece when the support head is used for supporting the work piece, and the support face is a small saw-tooth face. The tooling random support part has the support head which can universally rotate in a micro mode, effectively reduces clamping deformation caused by unflatness of the supported face of the work piece and improves flatness.

Provided are a clamp and a clamping method for a large-diameter plane optical element. The clamp comprises a large-diameter plane optical element press plate, an elastic pivot, a transformation thin plate frame, an inner hexagonal cylindrical head screw, a boss, a lens frame, a rotational shaft and a support. The clamp and the clamping method utilize a metal structure to directly clamp the large-diameter optical element, can produce no optical element clamping stress under the condition that surface processing accuracy of a metal clamping frame is reduced and the optical element is in any inclination angle. Simultaneously, the metal structure is utilized to conduct direct clamping, thereby well avoiding organic pollution caused by stress-free clamping of tradition organics. The clamp the clamping method can be widely applied to clamping of the large-diameter plane optical element in optical engineering and optical experiment devices and has strong practicability.

The invention discloses laser cutting equipment used for cutting pipes, which has the advantages that automatic feeding is realized, the clamping is steady and the cutting quality is good. The laser cutting equipment comprises a base, wherein a guide mechanism, a main clamping mechanism, an auxiliary clamping mechanism and a laser cutting mechanism are arranged on the base in sequence; the main clamping mechanism comprises a screw rod which is movably arranged on the base; a main motor which is used for driving the screw rod is arranged on the base; a sliding seat is sleeved on the screw rod; a sliding rail is arranged on the base; the bottom of the sliding seat is movably clamped on the sliding rail; a feeding hole is formed in the sliding seat; a barrel-shaped clamping component is embedded in the feeding hole; a plurality of flexible grooves are arranged in the periphery of the discharge end of the clamping component; a plurality of grooves are arranged in the periphery of the external surface of the part, stretching out of the sliding seat, of the discharge side of the clamping component; the depths of the grooves are gradually reduced in the feeding direction; a movable sleeve is sleeved on one section, provided with the grooves, of the clamping component; a plurality of grooves which are matched with the grooves of the external surface of the clamping component and are formed in the feeding direction are formed in the periphery of the inner surface of the movable sleeve; balls are arranged between the grooves of the movable sleeve and the grooves of the clamping component; a main air cylinder used for driving the movable sleeve to move is arranged on the sliding seat.

The invention discloses a screw sleeve part inner hole processing lathe clamp, which comprises a clamp body, a screw nut, a cone sleeve and a reset spring, wherein a clamp body positioned by a notch is arranged on a lathe main shaft through a transition disc, the front end of the clamp body is a barrel-shaped thin wall with the external taper, in addition, the outer diameter of the back end of the thin wall is greater than the outer diameter of the front end, the inner diameter of the thin wall is matched with the outer diameter of a screw sleeve to be processed, the cone sleeve with the internal taper matched with the external taper of the thin wall is arranged on the outer side of the thin wall in a sleeving way, the reset spring is arranged at the thin wall part in a sleeving way and is positioned between a cone sleeve and a threaded step positioned at the back part of the clamp body, and the screw nut passes through the thin wall and the cone sleeve and is connected with the clamp body through screw threads. The screw sleeve part inner hole processing lathe clamp has the advantages that the structure is compact, the operation is simple, convenient and reliable, the positioning precision is very high, the processing quality can be easily ensured, and higher practicability is realized.

The invention relates to a positioning tool for thin-walled cylindrical parts, which belongs to the field of mechanical processing. The positioning tooling of the present invention comprises an expansion sleeve, an expansion inner sleeve, a locking ring, an expansion body and an elastic ring; the expansion sleeve is a split cylindrical structure; the expansion inner sleeve is a circle with a tapered inner cavity. Cylindrical structure; the inner hole of the locking ring is a threaded hole; the front section of the expansion body is a cylindrical section, the rear section is a tapered section, and the rear end of the cylindrical section is processed with external threads; the expansion sleeve is bonded to the elastic ring on the inner wall Closed into a cylindrical assembly, the locking ring and the inner sleeve of the expansion sleeve are put into the inner cavity of the expansion sleeve in turn; the front end of the expansion body passes through the inner sleeve and the locking ring, and passes through the rear end of the cylindrical section of the expansion body The external thread of the outer wall is threadedly connected with the internal hole of the expansion sleeve. The positioning tool of the present invention has simple structure, convenient processing and simple operation, can quickly and reliably clamp thin-walled cylindrical parts, has small clamping deformation, ensures the processing accuracy of products, and improves processing efficiency.

The invention belongs to the technical field of production of semiconductor diodes, and particularly relates to a semiconductor diode production technology. The semiconductor diode production technology adopts a glue sealing device. The glue sealing device comprises a bottom plate, vertical columns, a top plate, a glue sealing groove, drying modules, a storing block and storing holes. A set of telescopic rods is arranged at the bottom of the top plate. The storing block is arranged at the ends of the telescopic rods. The set of storing holes is formed in the bottom of the storing block. Each drying module comprises an arc-shaped sliding groove, an electric heating pipe, a swinging gear and a swinging plate. Each arc-shaped sliding groove is formed in the middle of the corresponding vertical column. Each electric heating pipe is slidably mounted in the corresponding arc-shaped sliding groove. A spring connected with the corresponding electric heating pipe is arranged at one end of eacharc-shaped sliding groove. Each swinging gear is rotationally mounted at the two ends of the corresponding electric heating pipe through torsional springs. A swinging plate rotationally mounted on thecorresponding vertical column is arranged on each arc-shaped sliding groove. A tooth groove meshing with the corresponding swinging gear is formed in the end of each swinging plate. The swinging plates are controlled to rotate through a motor. According to the semiconductor diode production technology, leads subjected to glue sealing can be dried uniformly, and by arranging a clamping device, thesemiconductor diode production technology can adapt to glue sealing of the leads of different thicknesses.

The invention relates to a clamping device for thin-walled cylindrical parts, which belongs to the field of mechanical processing. The clamping tooling of the present invention comprises an expansion sleeve, an expansion inner sleeve, a locking ring, an expansion body and an elastic ring; the expansion sleeve is a split cylindrical structure; the expansion inner sleeve is a tapered inner cavity Cylindrical structure; the inner hole of the locking ring is a threaded hole; the front section of the expansion body is a cylindrical section, the rear section is a tapered section, and the rear end of the cylindrical section is processed with external threads; the expansion sleeve is bonded to the elastic ring inside Closed into a cylindrical assembly, the locking ring and the inner sleeve of the expansion sleeve are put into the inner cavity of the expansion sleeve in turn; the front end of the expansion body passes through the inner sleeve and the locking ring, and passes through the rear end of the cylindrical section of the expansion body The external thread of the outer wall is threadedly connected with the internal hole of the expansion sleeve. The clamping tooling of the present invention has simple structure, convenient processing and simple operation, can quickly realize reliable clamping of thin-walled cylindrical parts, has small clamping deformation, ensures the processing accuracy of products, and improves processing efficiency.

The invention relates to an automatic self-centering clamp which comprises a mandrel, a rotor shaft, an end cover and guiding sleeves. One end of a positioning pillar of the mandrel is provided with a positioning step, and the outer circle of the mandrel is provided with a positioning pillar face. A step inner hole is formed in the positioning pillar face of the mandrel, and at least two sets of radial through holes are formed in the positioning pillar of the mandrel in the axial direction. Three or four radial through holes of each set of radial through holes are evenly formed in the same cross section of the positioning pillar, and the radial through holes are internally and fixedly connected with the guiding sleeves which are internally and movably matched and connected with positioning and clamping pillars. A motor stator is arranged in the middle of a step inner hole of the mandrel, and the two ends of the rotor shaft are connected with a connection hole in the front end of the step inner hole of the mandrel and an inner hole in the end cover fixed to the rear end face of the mandrel through bearings respectively. The two sides of the motor rotor of the rotor shaft are provided with outer cam pillars respectively, and each outer cam pillar is formed by evenly distributing three or four cams in the peripheral direction. The pillar face of each cam is in contact connection with the bottom end of the corresponding positioning and clamping pillar.

The invention belongs to the technical field of semiconductor diode production, and particularly relates to a semiconductor diode lead-wire sealing system. The semiconductor diode lead-wire sealing system comprises a bottom plate, a vertical column, a top plate, a sealing groove, a drying module, a storing block and storing holes; a set of telescopic rods are arranged at the bottom of the top plate; the storing block is fixedly connected with the ends of the telescopic rods, and the set of storing holes are formed in the bottom of the storing block; the drying module comprises an arc-shaped sliding groove, an electric heating pipe, swinging gears and a swinging plate; the arc-shaped sliding groove is mounted in the middle of the vertical column; the electric heating pipe is slidably mounted in the arc-shaped sliding groove; a spring connected with the electric heating pipe is arranged at one end of the arc-shaped sliding groove; the swinging gears are rotatably mounted at the two endsof the electric heating pipe through torsion springs; the swinging plate rotatably mounted on the vertical column is arranged above the arc-shaped sliding groove; gear sockets meshed with the swinginggears are arranged at the ends of the swinging plate; and the swinging plate is controlled to rotate through a motor. The semiconductor diode lead-wire sealing system can conduct uniform drying on the sealed lead-wire; and by arranging a clamping device, the system can adapt to sealing of lead-wires with different thickness.

The invention discloses a machining and manufacturing method of a precision positioning central spindle. The precision positioning central spindle is formed by assembling an elastic sleeve, a centralspindle body and pressurization inner hexagon screws. According to the working condition of the precision positioning central spindle, when a workpiece is installed on the elastic sleeve, the pressurization inner hexagon screws are screwed into the elastic sleeve, and a liquid synthetic material is pressurized through an end head; when a liquid synthetic material cavity is sealed, the pressure borne by the liquid synthetic material is uniformly acted on the elastic sleeve according to the incompressibility of liquid and the principle that the liquid can transfer pressure uniformly in all the directions, the elastic sleeve generates radial elastic deformation and makes cylindrical contact with the workpiece to enable the workpiece to be accurately positioned and reliably clamped. When a screw plunger is screwed out, the elastic sleeve returns to the original position under the action of elasticity, and the workpiece is loosened. Through the improvement on the machining method of the elastic sleeve, the central spindle body and the pressurization inner hexagon screws, the precision of the positioning central spindle is improved remarkably, and the workpiece can be prevented from being pinched in the using process.