356results about "Vices" patented technology

The invention discloses a method and device for dynamically adjusting the clamping force of a thin-wall part, equipment and a storage medium, and relates to the field of data simulation. The method comprises the following steps: determining the clamping form and size of a pneumatic clamp tool according to the size of a thin-wall part, simulating a clamping stress process through finite element simulation, and establishing a mapping model between clamping force and deformation; initial machining process parameters are set according to the size and precision requirements of the thin-wall part, and the maximum allowable clamping force under different material allowances is obtained based on the mapping model; stability qualitative analysis is conducted on the clamping stability, and milling parameters are optimized according to the analysis result; and the milling process and the milling parameters are obtained in real time, and the clamping force in the milling process is dynamically adjusted at fixed time by controlling the pneumatic clamp tool through the PLC. Dynamic adjustment of the clamping force is achieved through the established mapping model of the clamping force and deformation, and the problem of deformation caused by rigidity change of the thin-wall part in the machining process is solved by combining layered milling optimization and PLC timing control.

A power vise including a body and a jaw connected to and extending from the vise body. The vise can also include an actuator extending at least partially through the jaw body, where the actuator can include a first end and a second end opposite the first end. The vise can include a moving jaw connected to the first end of the actuator. The vise can include a motor connected to the second end of the actuator, where the motor can be operable to move the actuator to move the moving jaw with respect to the fixed jaw, including a hammering or impacting function, and that such hammering or impacting can be performed after a predetermined delay. The vise can include a sensor configured to produce a signal based on a condition of the vise and to control the vise at least in part on using that signal.

A firearm maintenance aid can include a firearm vise and a firearm support device. Firearm vise can include vise jaws, a threaded rod connecting vise jaws together, and jaw pin holes in each jaw, the holes extending from an outer surface of a jaw through to an inner surface of each jaw, wherein the holes in the first jaw align with the holes in the second jaw. Firearm support device can include a clamping portion and a supporting portion. The clamping portion can be clamped between the jaws of the firearm vise, can include two parallel clamping faces, and can define vise pin holes that align with the jaw pin holes. The supporting portion can be located opposite the clamping portion and can include a cylindrical shaft. Vise pins can be received by the jaw pin holes and vise pin holes to fixedly connect the support device to the vise.

An accessory for a working device can include a plug body, an extension portion, and a tool. The plug body can have a length along a first axis and can be comprised of a keyed connection piece on a first end. The extension portion can connect on one end to a second end of the plug body and on an opposite end to the tool. The plug body can be receivable by a plug receptacle on a receiving adapter or a working device. The accessory can further include a spring-loaded locking mechanism that can be structured and configured to transiently lock the plug body to a receiving adapter or a working device.

A multifunctional special-shaped bench clamp comprises a fixed end body and a movable end body. The base body is of a cuboid structure, the bottom and the side faces of the base body are precisely machined, high planeness is achieved, the base body can be rapidly fixed to a workbench through a universal clamp, and the overall stability is guaranteed. The fixed end body and the movable end body are arranged on the two sides of the base body respectively, and the movable end body is connected with the base body through the adjusting mechanism and can flexibly move in the length direction of the base so as to adapt to workpieces of different sizes. And the fixed end main body and the movable end main body are provided with the circular adapters with different sizes, and the design of the adapters enables the bench clamp to have a higher two-dimensional degree of freedom, so that multi-angle adjustment can be realized. Through cooperation with the special-shaped clamping face of the fourth-stage base, the bench clamp can effectively clamp workpieces in various shapes, and the clamping requirement of complex workpieces is met.

The invention relates to a clamping and / or gripping device (100) for clamping a workpiece (200) with a threaded spindle (110) extending along a spindle longitudinal axis (310) and comprising a first threaded section with a first thread pitch, a second threaded section with a second thread pitch, a third threaded section with a third thread pitch, and a fourth threaded section with a fourth thread pitch, wherein the first thread pitch differs from the second thread pitch and the third thread pitch differs from the fourth thread pitch, wherein a first spindle nut (140) engages with the first threaded section, a second spindle nut (142) engages with the second threaded section, a third spindle nut (143) engages with the third threaded section, and a fourth spindle nut (144) engages with the fourth threaded section (122), as well as with a guide rail (170).which extends parallel to the longitudinal axis of the spindle (310) and on which the threaded spindle (110) is rotatably mounted.

The utility model belongs to the technical field of positioning clamps, and discloses a turning plate positioning clamp which comprises a positioning turning plate, a fixed clamping plate is installed on the positioning turning plate through a straight screw, a movable block is installed on the positioning turning plate, a movable clamping plate is installed on the movable block through a straight screw, and the movable clamping plate and the fixed clamping plate are oppositely arranged. A threaded rod is rotationally installed on the side, away from the movable clamping plate, of the movable block and penetrates through the positioning turning plate, an operating rod is installed at the end, away from the movable block, of the threaded rod in a penetrating mode, and integrally-formed fixing lugs are arranged on the two sides of the positioning turning plate and are symmetrically arranged along the length and width central axis of the positioning turning plate; an integrally-formed first protrusion is arranged at one end of the top of the positioning turning plate, a threaded hole corresponding to the threaded rod is formed in the first protrusion, and the threaded hole is connected with the threaded rod in a threaded fit mode. The turning plate positioning clamp is high in applicability and easy and fast to operate, and compared with other clamps, the turning plate positioning clamp is safer and more stable.

The pneumatic quick-change jaw without the exposed pipe comprises a mounting bottom plate, a supercharger is fixedly arranged on the left side of the mounting bottom plate, a pressure maintaining mechanism used for gas pressure maintaining is arranged on the rear side of the mounting bottom plate, and a plurality of mounting grooves are evenly formed in the top of the mounting bottom plate; the air channel is designed in an embedded mode, compared with a traditional exposed pipe design, the probability that the air pipe is broken due to collision is reduced, through the design of the pressure maintaining mechanism, after an air pump conveys air to clamp a workpiece, the pressure maintaining mechanism is used for maintaining pressure, and compared with a continuous air conveying mode of the air pump, the pressure maintaining efficiency is greatly improved. The air pressure output by the pressure maintaining mechanism is stable, stable clamping of a workpiece is guaranteed, the machining precision is improved, through the design of the quick change mechanism, the jaw body can be indirectly locked or loosened by screwing the adjusting screw by a half circle, and therefore quick mounting and dismounting of the jaw body are achieved.

The utility model discloses a positioning device for metal casting processing, which comprises a fixed clamp body, a movable clamp body is adjustably arranged on the fixed clamp body, and when the movable clamp body is adjusted, a casting can be clamped between the fixed clamp body and the movable clamp body; accommodating cavities are formed in the fixed clamp body and the movable clamp body, at least two movable clamping jaws are movably mounted in each accommodating cavity, and steel balls are filled in the accommodating cavities on the rear sides of the movable clamping jaws and are used for extruding the movable clamping jaws so as to clamp a special-shaped casting. According to the utility model, the steel ball is extruded to push the movable clamping jaw to clamp castings with different shapes, so that the universality is high; and meanwhile, multi-point clamping can be achieved, and stability is good.

The utility model relates to the technical field of bench vices, in particular to a bench vice for woodworking, which comprises a mounting plate, a mounting frame is fixedly welded on the left side of the bottom of the mounting plate, a bolt I is mounted at the bottom of the mounting frame, and a mounting seat is fixedly welded on the top of the mounting plate. The clamping device solves the problems that when square wood is clamped, V-shaped grooves formed in multiple directions can cause the clamping force to the wood to be reduced, the wood is loosened, meanwhile, clamping parts are inconvenient to replace according to requirements, the clamping device cannot adapt to workpieces except round and square workpieces, and the application range is small. The upper clamping block and the lower clamping block can be exchanged, so that a worker can quickly switch proper clamping blocks according to wood requirements, the quick clamping effect is achieved, it can be effectively guaranteed that wood cannot slide in the machining process, the upper clamping block and the lower clamping block can be detached and replaced from the interior of the mounting groove through the mounting blocks according to the requirements, and the practicability is high. And the device can adapt to woods in different shapes.

The present application provides a top-lock pull-out type connecting device and an immersed tube construction ship; the connecting device comprising a support member, fixedly connected to the load-bearing element and located on a side of the load-bearing element facing the borne element; a sliding member, been able to slide relative to the load-bearing element in a connection direction of the load-bearing and borne elements; an ejector rod, used to push the sliding member, fixedly connected to the borne element; a first locking member, used to lock the ejector rod, movably connected between an end of the sliding member close to the borne element and the support member, and can to be driven by the sliding member to be close to or away from the ejector rod; and a second locking member, used to lock the sliding member, and connected between an end of the sliding member away from the borne element and the load-bearing element.

The utility model provides a hydraulic boosting quick clamping bench clamp which comprises a base, a guide rail integrally arranged with the base and a movable clamp body capable of moving left and right along the guide rail in a reciprocating mode, and a single screw rod boosting mechanism, a booster and a cohesion mechanism are arranged in the movable clamp body. The single-screw force applying mechanism comprises a screw and a connector, the connector comprises a nut structure installed on the screw, and the screw and the connector generate relative axial movement through rotation of the screw. A cylinder body of the supercharger is installed at the left end of the connector, a small plunger abuts against the head of the lead screw, and a large piston abuts against the movable jaw. When the lead screw rotates and moves forwards, the small plunger is pushed to move forwards, the large piston moves forwards, the movable jaw and the movable vice body are driven to move forwards, and a workpiece is clamped. The single-screw-rod stress application mechanism is matched with the cohesion mechanism, and the workpiece can be clamped within the half-circle rotation of the screw rod. According to the bench clamp, rapid moving and clamping of the movable clamp body can be achieved, efficient working performance is achieved, the structure is simpler and more compact, and the size of the bench clamp is effectively reduced.

The utility model relates to the technical field of bench vices, and discloses an adjustable bench vice clamping mechanism which comprises a support, a fixing assembly and a clamping mechanism body, supporting plates are symmetrically and fixedly connected to the upper surface of the support, movable grooves are formed in the two supporting plates, and arc-shaped connecting plates are arranged in the two movable grooves; through the clamping mechanism, a worker can conveniently clamp and fix a workpiece, the rack is pulled to be separated from a tooth groove in an arc-shaped toothed plate, the worker can drive the workpiece to rotate through a crank, and the worker can conveniently know the rotation angle of the workpiece through a scale line pointed by a pointer on an arc-shaped limiting plate; the rack is clamped into one tooth groove in the arc-shaped toothed plate again, the arc-shaped connecting plate and the workpiece can be limited, so that the stability of the whole device is guaranteed, meanwhile, the whole structure is relatively simple, use is very convenient, and the practicability of the device is improved.

The utility model discloses an aviation valve element clamp which comprises a self-centering vice, a floating positioning block, a cutter handle, a first pull-down claw and a second pull-down claw. The first pull-down claw and the second pull-down claw move to jointly apply acting force to the connecting part, wherein the acting force enables the positioning plane to abut against and be attached to the reference plane. The reference plane and the positioning plane are both flat planes, and the positioning plane is perpendicular to the axis of the workpiece holding part, so that after the slender rod-shaped aviation valve core is fixed in the accommodating groove, the axis of the slender rod-shaped aviation valve core is parallel to or coincides with the axis of the workpiece holding part, and the axis of the aviation valve core is ensured to be perpendicular to the positioning plane. The structure of the workpiece holding part ensures that the aviation valve element does not shake in the machining process, and deformation of the aviation valve element is avoided. Therefore, when the aviation valve element clamp is used for clamping the aviation valve element, the vertical precision of the aviation valve element can be guaranteed, and deformation of the aviation valve element can be reduced to the maximum extent.

The present invention discloses a piston-type oil tank with safety valve and a riveting tool, relating to the technical field of riveting tools. In the first aspect, a piston-type oil tank with safety valve comprises a tank body, with a separator piston arranged inside the tank body, and also an oil inlet and an air outlet provided at the front and rear ends of the separator piston respectively. The separator piston is arranged with a penetrated safety valve core, a support frame is arranged at the end of the safety valve core facing the air outlet, and a stop plate is provided at the end of the safety valve core facing the oil inlet, with the length of the safety valve core greater than that of the separator piston; an oil discharge groove is provided on the side wall of the safety valve core, and when the support frame presses against the end face where the air outlet is located, the oil discharge groove connects the spaces on both sides of the separator piston, and an oil outlet gap is reserved between the support frame and the end face where the air outlet is located. In the second aspect, a riveting tool comprises the aforementioned piston-type oil tank with safety valve and also a pump body, wherein the tank body is connected to the pump body. The present invention features a longer service life and higher safety.

Device (1) for clamping two components (60, 70), with two clamping feet (10, 20) that are movable linearly relative to each other, wherein one clamping foot (20) can be attached to the first component (60) and the other clamping foot (10) can be attached to or stopped against the second component (70), and the linear movement of both clamping feet (10, 20) is effected via a common threaded spindle (40) which can be actuated by a ratchet (90), characterized in that the threaded spindle (40) is received on both sides in bearing blocks (15, 25) which are each arranged in a thrust-resistant manner on the upper side (12, 22) of a base plate (11, 21) of the respective clamping foot (10, 20), and the threaded spindle (40) has a left-hand external thread (41) on one side and a right-hand external thread (42) on the other side, and wherein the The bearing blocks (15, 25) have internal threads (16, 26) corresponding to the external threads (41, 42) of the threaded spindle (40).

Clamping device 1 that can be installed in a capping machine for substantially cylindrical caps, comprising prisms 5, 6, 7, 8 that are placed in contact with each other so as to create a cavity 22 in which a cap can be housed and are free to translate with respect to each other away from or towards an axis of symmetry X of the cavity 22, in order to clamp and / or compress the cap housed in said cavity 22, said clamping device 1 characterised in that a first and a second prism 5, 6 form a first pair 3 and a third and a fourth prism 7, 8 form a second pair 4 in which at least the first and / or second pair 3, 4 comprises guiding means 30, 40 configured to allow a linear type translation and to perform an at least one-directional, preferably bidirectional retention action of the prisms of each pair 3, 4 with respect to each other.

The invention relates to a workpiece locator (10) comprising a support body (11) with which the workpiece locator (10) can be attached to a tool head (3). The workpiece locator (10) has a holding body (12) that is movable with one degree of rotational freedom (15) relative to the support body (11). Furthermore, the workpiece locator (10) has a positioning body (14) that has a receptacle (56) for a workpiece to be machined. The positioning body (14) is movable with a further degree of rotational freedom (20) relative to the holding body (12). In this way, the operation of the workpiece locator (10) can be simplified and / or a multifunctional workpiece locator (10) can be provided. It is also possible that at least two other degrees of freedom (17, 18) are provided between the support body (11) and the positioning body (14).

A clamp, particularly for apparatuses for welding pipes, including a lower jaw and an upper jaw that are mutually opposite and hinged; each jaw is substantially made of plastic material; advantageously, each jaw includes a portion made of plastic material and at least one insert constituted by an interlocking metallic structure that is co-molded within the portion made of plastic material.

The various embodiments herein relate to a coupling apparatus for a medical device having a coupler body, a cavity defined in the coupler body, a rotatable drive component disposed within the cavity and having at least two pin-receiving openings, and an actuable locking ring disposed around the cavity.

A pipe rotating arrangement, comprising a frame having at least two rollers configured to receive a pipe to be rotated wherein a distance between the at least two rollers is adjustable and a roller belt configured to tighten the pipe against the at least two rollers wherein the roller belt comprises a plurality of roller elements enabling rotation of the pipe when tightened against the rollers of the frame by the roller belt, wherein a distance between the roller elements on the roller belt vary such that the distance is smaller in vicinity of a first end of the roller belt.

The utility model relates to mechanical processing auxiliary equipment technical field especially relates to a novel flat mouth tongs multi -clamping tool, its technical scheme includes: tool seat, the tool seat includes the chassis, the inside of chassis is provided with the side plate, one side of the chassis is provided with the fixed forceps, one side of the side plate is provided with the adjusting guide rail, is provided with two groups of movable forceps on the adjusting guide rail, the bottom of the chassis top side is provided with the backing pad, one end away from the fixed forceps on the chassis is provided with the clamping assembly. The utility model discloses through the setting of adjusting guide rail can realize movable forceps mouth seat's movement to the workpiece is carried out clamping and loosening operation, through the fixed forceps, clamping assembly and multiple movable forceps intercoordination's setting can realize to multiple workpieces's simultaneous clamping fixed, through movable forceps both sides with the fixed forceps one side recessed groove's setting guarantees the stability of workpiece in clamping process, compared with traditional flat mouth tongs, has improved the processing efficiency greatly, has reduced workpiece mounting and dismounting's time.

The invention relates to a device for supporting a workpiece between the jaws of a vise, wherein at least one support bolt (51) is provided which is arranged in a guide (525) of a support beam (52) to be connected to the vise, in which the support bolt (51) is arranged to be longitudinally displaceable. The invention further relates to a vise with a front jaw (1) and a rear jaw (2), comprising such a device.

The invention relates to a mechanism (1) for closing a box (10) intended to contain a qubit circuit or component, the box having first (11) and second (12) parts designed to form a closed container, the mechanism comprising: - first means (2) for supporting the first part; - at least one arm (3) for receiving the first supporting means (2); - at least one arm (4) for gripping the second part; and - means (5) for sliding the at least one gripping arm (4) relative to the at least one receiving arm (3).