653 results about "Transverse groove" patented technology

Car tyre (100) having a tread band (7) comprising a central region (L1) and two shoulder regions (L2, L3); the central region (L1) having a plurality of ribs (8, 9, 10), wherein a first rib (8) with a plurality of first transverse grooves (15) comprising a substantially straight first segment (15′), inclined relative to a direction parallel to said equatorial plane (X-X) so as to form an angle Θ smaller than or equal to 70°, a substantially straight counter-inclined second segment (15″) and a curved connecting segment (15″′) extending between said first segment (15′) and said second segment (15″); —the first rib (8) further comprising first straight sipes (21) located in the first rib (8) between said first transverse grooves (15) and extending over at least 60% of the width of said first rib (8); the first sipes (21) forming with said equatorial plane (X-X) an angle Θ′ preferably equal to the angle Θ of the first segment (15′) of the first transverse grooves (15).

A bolt locking type engineering cutter head belongs to the technical field of engineering machinery cutters and comprises a cutter head, a cutter holder, a cutter bar and a lock, the cutter head is mounted on the cutter holder, and the cutter bar penetrates into the cutter holder and is connected with the cutter head through the lock. An inner cavity is formed in the tool bit, a first inclined groove and a second inclined groove are formed in the two sides of the inner cavity respectively, and the bottom of the first inclined groove is downwards communicated with the bottom face of the tool bit. A mounting seat of the tool bit is sleeved in the circular groove, a core column is arranged in the center of the tool apron, the core column is sleeved in an inner cavity of the tool bit, a through square hole is formed in the center of the core column, a tool bar is inserted into the square hole, a through large transverse groove is transversely formed in the middle of the core column, and a lock head is arranged in the large transverse groove in a penetrating manner. The cutter bar comprises a bar body and a pin rod, and the bar body penetrates through the cutter holder from bottom to top. The lock head comprises a lock block and pins, the lock block is composed of a pair of symmetrical two pieces, a butt-joint piece is arranged on the side of the middle of the lock block, a wedge block is arranged at the end of the butt-joint piece, an oblique angle is arranged on the outer side end face of the wedge block, pin holes are formed in the two sides of a positioning hole in the butt-joint piece, and the pins are installed in the pin holes.

The utility model discloses a high-performance light truck snow tire which comprises a central pattern block, a tire shoulder pattern block, a longitudinal groove, a transverse groove, a central groove, a non-through V-shaped groove, a zigzag three-dimensional (3D) channel steel sheet I, a zigzag 3D channel steel sheet II, a groove bottom trapezoidal silencing bolt and a reinforcing rib, the non-through V-shaped grooves are located at the front end of the rhombus, the longitudinal grooves are designed between the tire shoulder pattern blocks and the center pattern block and are designed in a zigzag shape, the first zigzag 3D cutter groove steel sheets are designed on the tire shoulder pattern blocks, the transverse grooves are designed between every two adjacent tire shoulder pattern blocks, and the second zigzag 3D cutter groove steel sheets are designed on the tire shoulder pattern blocks. By optimizing the pattern shape, widening the transverse grooves, optimizing the shapes and the depths of the longitudinal grooves and the width grooves and adopting the design of the zigzag three-dimensional cutter box steel sheets and the inclined steel sheets, compared with the existing same type and same specification, the snowfield performance is ensured, and the slippery noise performance of the tire is improved on the basis of ensuring the snowfield performance.

The present invention discloses a linear reciprocating motion food cutting machine, comprising a cutting machine body, a cutting mechanism arranged inside the cutting machine body, a reciprocating motion mechanism connected to the cutting mechanism, the reciprocating motion mechanism comprising a rotary drive mechanism, a crank, a connecting rod and a cross guide groove, the length of the connecting rod being twice the length of the crank, one end of the crank being connected to the output end of the rotary drive mechanism, the other end being connected to the midpoint of the connecting rod, the two ends of the connecting rod being rotatably connected to a first slider and a second slider respectively, the cutting mechanism being connected to the first slider, the first slider and the second slider both being limited in the cross guide groove, the cross guide groove comprising a transverse groove and a longitudinal groove intersecting vertically, when the rotary drive mechanism drives the crank to rotate, the first slider reciprocates along the transverse groove, and the second slider reciprocates along the longitudinal groove synchronously. The present invention designs a reciprocating motion mechanism, which has the advantage of compact structure, and can enable the cutting mechanism to realize stable reciprocating motion under the action of the reciprocating motion mechanism.

The utility model relates to the technical field of tires, and discloses a new energy tire which comprises a tire tread, a plurality of longitudinal grooves and transverse grooves are formed in the tire tread, and first water film breaking units, second water film breaking units and third water film breaking units are arranged in the longitudinal grooves. Through the design that the continuous pattern ribs of the pattern blocks in the center of the tread are connected with the steel sheets, the rigidity of patterns can be well balanced, and the grounding area is increased, so that the abrasion performance of the tire is improved, and the road holding force of the tire is improved; through the design of a plurality of first water film destroying units, a plurality of second water film destroying units, a plurality of third water film destroying units and self-flow-guiding patterns in the longitudinal grooves of the tire, the wet land safety of the tire can be obviously improved, and the rigidity of the shoulder pattern blocks can be guaranteed through a plurality of transverse steel sheets arranged in the shoulder pattern blocks of the tire; and the characteristic of low noise of the tire can be realized by coping with the instantaneous torque of the new energy automobile and improving the instantaneous road holding force and adopting a multi-layer variable-pitch arrangement mode.

Vehicle tires with a tread having at least one profile rib (1, 2) bounded on both sides by a circumferential groove (4, 5), which is provided with groove-cut combinations (K, K', K", K‴) consisting of a transverse groove (9) opening into at least one circumferential groove (4, 5) and exactly one cut (10) passing the rib centerline (mPR) in plan view, wherein the cut (10) originates from the groove base (9c) and extends in plan view in the direction of extension of the transverse groove (9). The cut (10) extends continuously from the groove base (9c) and terminates closed on both sides within the profile rib (1, 2), wherein at least one local depression (11) open to the tread periphery is formed in the extension area of ​​the cut (10) adjacent to a groove flank (9b).

The utility model relates to the field of soles, and discloses a multifunctional EVA / rubber combined sole which comprises an insole, a transverse groove is formed in the half sole position of the bottom of the insole in a penetrating mode, dotted lines are evenly distributed in the heel position of the bottom of the insole in a penetrating mode, an insole is arranged at the bottom of the insole, and an outsole is fixedly connected to the bottom of the insole. An anti-skid mechanism is arranged at the bottom of the outsole and comprises a grounding assembly and V-shaped grooves, the V-shaped grooves penetrate through the outsole and are formed in the two sides of the middle waist position of the outsole, and brake anti-skid grooves penetrate through the half sole and the heel of the bottom of the outsole and are formed in the half sole and the heel of the bottom of the outsole. According to the anti-skidding shoe, through linkage among the outsole, the rubber anti-skidding blocks, the rubber ground nail blocks, the V-shaped grooves, the brake anti-skidding grooves and the net-shaped lines, the contact area of the outsole and the ground is enlarged, the road holding force of the shoe is enhanced, the anti-skidding function is achieved, and the shoe can be stably worn on the outdoor severe ground.

The utility model belongs to the technical field of tires, and particularly relates to a nail-embedded tire, which comprises a tire tread, the tire tread is provided with a transverse groove I, a transverse groove II, a longitudinal groove I, a longitudinal groove II and a longitudinal groove III, the transverse groove I is communicated with the longitudinal groove II, and the transverse groove II is communicated with the longitudinal groove III. According to the utility model, the tread of the tire is provided with a plurality of non-coherent longitudinal pattern grooves and a plurality of transverse grooves of which the left and right are herringbone; the tire tread is divided into a plurality of pattern blocks by the longitudinal grooves and the transverse grooves, a plurality of thin and narrow cutter grooves are distributed in the circumferential surface of each pattern block, anti-skid nail inlaying holes are distributed in the circumferential surface of each pattern block, and the number of the anti-skid nail inlaying holes is not less than 100 per meter of rolling perimeter, so that the road holding force of the tire on the ice and snow ground is improved, and the tire tread is prevented from being damaged. The abrasion of the tire to the ground is effectively reduced.

The utility model belongs to the technical field of steel pipe cutting, and particularly relates to an environment-friendly steel pipe cutting device which comprises a top frame and two bearing frames, a transverse groove is formed in one side of the upper end of the top frame, an I-shaped plate is connected in the transverse groove in a sliding mode, and a connecting frame is installed at the upper end of the I-shaped plate. Through the arrangement of the adjusting mechanism, the distance between the two bearing frames can be adjusted, so that the distance for positioning the two sides of the steel pipe can be adjusted according to the length of the steel pipe, the flexibility and the applicability are improved, the adjustment is convenient and flexible, and the cutting requirement is met; through the arrangement of the fixing mechanism, a plurality of steel pipes can be clamped and limited at the same time, so that a lead screw is driven to rotate through a driving motor, a sliding seat is driven to slide in a connecting frame, the cutting position can be adjusted, the plurality of steel pipes can be cut in turn, and the cutting efficiency is improved; and the position of the connecting frame can be adjusted, so that the cutting position can be adjusted.

The invention relates to the technical field of sewing machine processing, in particular to a milling device for sewing machine shell production, which comprises a machine tool main body and a workbench movably arranged on the machine tool main body, a locking mechanism capable of limiting the positions of sewing machine shells of different specifications and keeping the sewing machine shells stable is arranged on the workbench and comprises a plurality of sliding transverse grooves formed in the workbench and distributed in a circumferential array mode, and movable vertical rods arranged on the inner sides of the sliding transverse grooves in a sliding mode respectively. Sewing machine shells of different specifications can be fixed more stably, the shells cannot be loosened during machining, the situation that due to the fact that an existing milling device is difficult to stably clamp the sewing machine shells of different specifications, flaws are prone to occurring during machining is avoided, the size milling accuracy of the sewing machine shells is improved, and the machining efficiency is improved. And the milling quality of the milling device is improved, and the practicability of the milling device is also improved.

The invention discloses a postoperative binding device for tumor radiotherapy nursing, and belongs to the field of postoperative binding. Comprising a clamping mechanism, and a height adjusting mechanism is arranged above the clamping mechanism; a moving mechanism is arranged above the height adjusting mechanism; a limiting mechanism is arranged above the moving mechanism; the limiting mechanism comprises a clamping seat, a transverse groove is formed in the upper surface of the clamping seat, the interior of the transverse groove is rotationally connected with a two-way screw rod II through a rotating shaft, the outer side wall of the two-way screw rod II is in threaded connection with two movable blocks, and the tops of the movable blocks are fixedly connected with arc-shaped clamping plates. A lifting screw is driven to rotate by holding a first knob, a movable clamping plate is controlled to descend under guiding of a guide vertical rod, the movable clamping plate clamps the upper portion of the edge of a bed body, bed body clamping is completed, through the arrangement, the device can be conveniently adjusted according to different thicknesses of the bed body, bed bodies with different thicknesses are clamped, and the use scene is wider.

The utility model discloses a new energy bus tire pattern and a tire thereof, and the new energy bus tire pattern comprises three longitudinal grooves which are longitudinally distributed on a tire tread in a surrounding manner, and each longitudinal groove is in a continuous multi-fold line structure shape; the transverse grooves are formed in the tire middle pattern blocks between the adjacent longitudinal grooves, and each transverse groove is of a V-shaped structure; the tire middle longitudinal grooves are communicated between the adjacent transverse grooves; and the tire middle transverse groove is communicated with the tire middle longitudinal groove in a crossed manner, and two ends of the tire middle transverse groove are respectively communicated with the corresponding longitudinal grooves. Compared with the prior art, the utility model has the beneficial effects that: by improving the groove structure design, the improved groove structure has better controllability and wear resistance.

The utility model relates to the technical field of floor lock catch structures, in particular to a stable floor lock catch structure which comprises a floor body, a first mortise is formed in one side of the floor body, a first tenon plate connected with the first mortise in a clamped mode is installed at the other end of the floor body, and a second tenon plate is installed on the inner wall of the first mortise. A second tenon groove connected with the second tenon plate in a clamped mode is formed in one side of the first tenon plate, a transverse groove is formed in the floor body, battens are connected to the inner side of the transverse groove in a clamped mode, every two adjacent battens are connected in a clamped mode through a quick locking mechanism, and the quick locking mechanism comprises a movable butt joint assembly, an abutting assembly and a dragging assembly. The movable butt joint assembly is used for preliminarily splicing two adjacent groups of battens, and the dragging assembly is used for unlocking the two groups of battens; the connecting structure is simple in structure and convenient to operate, and the connecting strength between the floor main bodies is further improved after the floor main bodies are laid.

The invention discloses power transmission tower welding equipment which comprises a bottom plate, vertical plates are symmetrically arranged on the two sides of the bottom plate in the axial direction, a lead screw is rotationally arranged between the two vertical plates, the rotating directions of threads on the two sides of the lead screw are opposite, a fixing plate is fixedly arranged at the position, between the vertical plates, of the bottom plate, a lifting plate is movably arranged on the fixing plate, and a welding gun is arranged at the bottom of the lifting plate. The two sides of the lead screw are axially and symmetrically connected with moving cylinders in a threaded fit mode, the bottoms of the moving cylinders are slidably connected with the bottom plate, the tops of the moving cylinders are fixedly provided with storage frames, notches are formed in the bottoms of the storage frames, the two sides of the bottom plate are axially and symmetrically provided with supporting plates, the supporting plates are slidably connected with the notches, transverse grooves are formed in the supporting plates, and supporting assemblies are axially and symmetrically arranged on the two sides of the transverse grooves. According to the power transmission tower welding equipment, through cooperation of the deflection rod, the sliding block, the movable plate and other components, the L-shaped plate moves towards the outer side of the transverse groove and then moves upwards, the supporting effect can be provided for the welded long cross beam, and the stability of the long cross beam is guaranteed.

The invention relates to the technical field of vibration isolation and suppression devices, and discloses a rigidity-adjustable active and passive composite shock absorber. A load platform of the rigidity-adjustable active and passive composite shock absorber is located on the uppermost layer of the whole device; the supporting unit supports the active vibration reduction unit and the passive vibration reduction unit. The passive vibration reduction unit is matched with the active vibration reduction unit to form a second-order active and passive composite vibration reduction model, and the passive vibration reduction unit comprises a transverse groove type spring; the connecting unit comprises a connecting rod; the lower ends of the transverse groove type springs are connected with the supporting units, the upper ends of the transverse groove type springs support the load platform through connecting rods, and through holes are formed in the positions, corresponding to the connecting rods, of the transverse groove type springs. The fastener can penetrate through the load platform and the connecting rod to be screwed into the transverse groove type spring, and the rigidity of the transverse groove type spring is adjusted by adjusting the screwing-in depth of the fastener in the transverse groove type spring. In the active and passive composite shock absorber, compared with a traditional spring, the transverse groove type spring has the advantages of being compact and stable in structure, high in designability and the like, and the flexible rigidity requirement can be met through parametric design.

The present invention belongs to the technical field of turning slotting, and specifically refers to a part cutting device for metal processing, including an adaptive spacing type transverse movement mechanism, a variable depth slotting mechanism and an installation clamping mechanism, wherein the adaptive spacing type transverse movement mechanism is arranged on a fixed side plate, and the variable depth slotting mechanism is arranged on the adaptive spacing type transverse movement mechanism. On the one hand, the present invention can realize intermittent driving of the beam body by utilizing the reciprocating extension and contraction of the opening and closing control push rod that controls the tool feed through the rotation drive of the one-way transmission component, which not only simplifies the structure, but also realizes the mutual action coordination between the tool advance and retreat and the intermittent sliding of the beam body; on the other hand, the adaptive spacing type transverse movement mechanism senses the diameter of the stepped shaft parts, and can adaptively change the sliding amplitude of the beam body when the diameter of the stepped shaft parts at the slotting position changes, thereby realizing the technical effect of automatically adjusting the slotting density.

The utility model relates to an anti-separation paving structure plate which comprises a panel, a functional groove is arranged on the side face of the panel, the functional groove is provided with a transverse groove wall and a vertical groove wall connected with the transverse groove wall, the transverse groove wall is connected with the side face of the panel, and the vertical groove wall is further connected with the lower surface of the panel. According to the utility model, through the arrangement of the functional groove, the paving stability and the firm strength of the panel are improved. The functional groove also has a precise positioning function, and when the panels are paved, the space positions of the panels can be automatically and precisely positioned by matching the functional groove with the mortise or the connecting piece arranged on the paving basic surface, so that on one hand, the positioning difficulty is reduced, and on the other hand, the positioning precision is improved; and no yellow sand cement pollutes the side face of the panel, so that seam beautifying construction of the paved panel is more convenient and attractive, and the paving quality is improved.

The utility model relates to the technical field of track structures, in particular to a frame type embedded track structure which comprises a base body, a transverse groove is formed in the base body, a noise reduction mechanism is arranged in the base body, the noise reduction mechanism comprises a vibration isolation supporting plate, the vibration isolation supporting plate is fixedly connected to the top of the inner side of the transverse groove, and the vibration isolation supporting plate is fixedly connected to the top of the inner side of the transverse groove. The top of the vibration isolation supporting plate is fixedly connected with a damping rod, the outer wall of the damping rod is sleeved with a spring, the top of the damping rod is fixedly connected with an elastic plate, the top of the elastic plate is fixedly connected with a rubber pad, the top of the rubber pad is fixedly connected with a boss, and the back of the boss is fixedly connected with a cross beam. The vibration isolation supporting plate is used for isolating vibration, the rubber pads are used for buffering and supporting, the two transverse grooves are formed in the left side and the right side of the interior of the base body, and the train noise can be reduced when a train passes through the train noise reduction device, so that the situation that the life of residents is affected due to the fact that the train noise is too large is avoided.

The utility model discloses a distributor with a spiral lock. The distributor comprises a pump body, a valve rod, a spiral sleeve and a spring. The lower portion of the valve rod is sleeved with the spiral sleeve, and the spiral sleeve and the valve rod are fixed in the circumferential direction. The valve rod is sleeved with the spring, the upper plane of the spring abuts against the duckbill, and the lower plane of the spring abuts against the spiral sleeve. A spiral groove is formed in the pump body, and a transverse groove is formed adjacent to the top of the spiral groove. A spiral protrusion is arranged on the side wall of the spiral sleeve. When the spiral protrusion is located in the transverse groove, the distributor with the spiral lock is in an opened state. When the spiral protrusion is located at the bottom of the spiral groove, the distributor with the spiral lock is in a closed state. According to the distributor with the spiral lock, the user experience of consumers is improved, and the service life of the distributor is prolonged. According to the distributor with the spiral lock, the product height is reduced, and the production cost is reduced; and the outer diameter of the pump body is reduced, so that the adaptability and the applicability of the spiral lock distributor are wider.

The invention relates to the technical field of circuit breakers, and particularly discloses a recloser with a positioning structure and a circuit breaker. The recloser comprises a shell, an operating mechanism and a positioning mechanism. The operating mechanism achieves opening and closing control through left-right movement of the cross rod, the positioning mechanism is composed of a main body, an adjusting rod and a connecting plate, the main body is provided with a transverse groove and an inclined groove, and first protruding shafts at the two ends of the cross rod are embedded into the transverse groove and the inclined groove. The adjusting rod adjusts the relative position of the cross rod through up-and-down movement, and precise calibration of the working state is achieved. And the chute design can prevent the vacuum tube in the pole from being damaged due to false closing after the cross rod is dislocated. The cumbersome debugging steps of a traditional recloser are simplified through a pre-debugging mechanism, the opening stability is ensured through the friction force between the chute and the convex shaft, and manual and automatic dual-mode operation is supported. The positioning structure and the anti-misoperation design of the recloser and the circuit breaker remarkably improve the action reliability and the maintenance efficiency of the recloser and the circuit breaker, and are suitable for efficient operation and maintenance of a power system.

The invention discloses a physical experiment teaching demonstration device, and belongs to the technical field of experiment teaching aids, and the device comprises a bottom plate, the left side of the upper surface of the bottom plate is fixedly connected with a side plate, the upper surface of the bottom plate is provided with a plurality of sliding transverse grooves, and the right side of the side plate is provided with a plurality of through sliding vertical grooves. The interiors of the multiple sliding transverse grooves are in sliding connection with sliding blocks. By arranging a plurality of sliding transverse grooves and sliding vertical grooves, and sliding blocks, moving blocks and test boxes matched with the sliding transverse grooves and the sliding vertical grooves, the heights of a plurality of test boxes can be adjusted, so that a plurality of small balls fall from different heights, the problem that an existing device cannot simulate the motion law is effectively solved, the efficiency and intuition of teaching are improved, and the teaching efficiency is improved. And meanwhile, the height of the test box can be easily adjusted by rotating the operating handle through threaded connection of the adjusting screw rod and the moving block.

The utility model relates to the technical field of range hoods, and particularly discloses a hanging structure, a range hood and a hoisting system. The hanging structure comprises a mounting frame, hanging groove structures are arranged on the two opposite sides of the mounting frame, each hanging groove structure comprises a vertical groove, a transverse groove and a limiting piece, the vertical grooves extend in the vertical direction, openings are formed in the positions, at the bottom of the mounting frame, of the lower ends of the vertical grooves, the transverse grooves extend in the horizontal direction, and the limiting pieces are arranged on the transverse grooves. One end of the transverse groove is communicated with the upper end of the vertical groove; and the limiting piece is arranged in the transverse groove and is used for limiting the hook in the transverse groove to be separated from the transverse groove. According to the utility model, the range hood can be conveniently and quickly mounted, and the mounting efficiency is improved.

The utility model discloses an underground garage roof drainage and collection system which comprises siphon drainage grooves, siphon drainage pipes, siphon drainage pipes, siphon drainage pipes, siphon drainage pipes and siphon drainage pipes. The four-way structure is arranged at a cross point of the siphon drainage groove, the end part of the siphon drainage groove is of a semicircular structure, a plurality of raised positioning blocks are arranged on the outer surface of the siphon drainage groove at equal intervals, the cross section of the connecting channel on each side surface of the four-way structure is semicircular, and a plurality of L-shaped grooves are formed in the surface of the inner wall of the connecting channel on each side surface at equal intervals; when the semi-circular ring structure is inserted into the connecting channel on one side face, the protruding positioning block slides inwards to the position of the transverse groove along the longitudinal groove of the L-shaped groove, and the semi-circular ring structure is rotated to enable the protruding positioning block to be located in the transverse groove of the L-shaped groove. The drainage plate is arranged in a drainage area defined by the siphon drainage groove; and the siphon is connected with the siphon drainage tank. According to the system, the siphon drainage groove and the drainage plate can be quickly connected, the stability of the system can be guaranteed, and the construction efficiency is improved.

The utility model discloses a tungsten molybdenum mould claw, relates to claw technical field, including base, the top of base is provided with the adaptation mechanism for adaptation tungsten molybdenum mould of different specifications and dimensions to carry out the clamping, adaptation mechanism includes: the clamping unit, be provided on the top of base and be used for the clamping power passes through the clamping unit; the adjusting unit is arranged above the clamping unit and comprises a mounting box, an I-shaped groove is formed in the mounting box, a first rack is slidably mounted in a lower transverse groove of the I-shaped groove, a second rack is slidably mounted in an upper transverse groove of the I-shaped groove, and a rotating column is rotatably mounted in the mounting box; the adjusting unit is arranged, the hand wheel is rotated to drive the gear to rotate through the rotating column, the gear drives the first rack and the second rack to move in the opposite direction or in the opposite direction, and therefore the clamping base assembly is driven to synchronously move in the opposite direction or in the opposite direction, and tungsten-molybdenum dies of different specifications and sizes are clamped and fixed.

The invention relates to an eccentric-to-concentric angle adjuster which comprises an outer toothed plate installed on a guide plate through a cross coupling, and the surface, facing the cross coupling, of the guide plate is provided with paired transverse protrusions so that transverse sliding grooves can be formed between the transverse protrusions. The surface, facing the cross coupling, of the outer toothed plate is provided with paired vertical protrusions so that a vertical sliding groove can be formed between the vertical protrusions, the cross coupling comprises a transverse sliding block and a vertical sliding block which are vertically arranged, the transverse sliding block is contained in the transverse sliding groove to slide so as to provide contact fit, and the vertical sliding block is contained in the vertical sliding groove to slide so as to provide contact fit; the cross coupling further comprises supporting blocks or wedge-shaped blocks acting on the transverse sliding blocks and the vertical sliding blocks so that the transverse sliding blocks and the vertical sliding blocks can be expanded in the width direction to eliminate the sliding groove gaps. According to the eccentric-to-concentric angle adjuster, on the premise of low cost, all the sliding groove gaps in the cross-shaped structure are stably controlled to be not larger than 0.015 mm, and the backrest gap is greatly reduced.

The utility model belongs to the technical field of plate processing, and particularly relates to a plate processing punching device which comprises a punching table, supporting legs are installed at the bottom end of the punching table, transverse grooves are formed in the two sides of the upper end of the punching table, and electric telescopic rods are installed on one side walls of inner cavities of the two transverse grooves. Two electric telescopic rods are installed on the upper side of the punching table, sliding blocks are installed at the telescopic ends of the two electric telescopic rods correspondingly, connecting plates are installed at the upper ends of the two sliding blocks correspondingly, two sliding grooves are formed in the two connecting plates correspondingly, positioning mechanisms are arranged on the two connecting plates correspondingly, a fixing plate is installed on the rear side of the upper end of the punching table, and a sliding seat is slidably connected to the fixing plate. A mounting frame is mounted on the sliding seat, a punching mechanism is arranged on the mounting frame, and a lead screw is rotationally connected into the fixing plate. Through the arrangement of the positioning mechanism, the positioning range can be adjusted according to the width size of the plate, so that the four corners of the plate are positioned, and the punching stability can be improved.

The utility model discloses a cross beam suspended straight-row tool magazine, which relates to the technical field of tool changing of machine tools and comprises a tool magazine bottom plate, a pushing mechanism and a suspension plate. The pushing mechanism drives the tool magazine bottom plate to move front and back. A transverse rod is detachably installed on the front side of the tool magazine bottom plate through screws, side plates are fixedly installed at the left end and the right end of the transverse rod, transverse grooves are formed in the side plates, right-angle grooves which are bent downwards are formed in the front ends of the transverse grooves, and clamping grooves are formed between the right-angle grooves and the transverse grooves. A shielding cover is fixedly installed on the front side of the hanging plate, a cross rod and a knife rest are installed in the shielding cover in a clearance fit mode, a cover plate is installed on the upper edge of the front side of the shielding cover in a hinged fit mode, pulley yokes are fixedly installed at the left end and the right end of the rear side of the cover plate, and sliding wheels are installed on the pulley yokes in a rotating fit mode. The sliding wheel is installed among the transverse groove, the right-angle groove and the clamping groove in a sliding fit mode. The shielding cover can be used for preventing metal chippings from affecting the tool magazine during machine tool machining, and the service life of the tool magazine is guaranteed.

The utility model discloses a raised floor and stone ground joining, installing and fixing structure which comprises a hollow supporting bottom piece, a slotting supporting column is fixedly connected to the top of the hollow supporting bottom piece, a transverse groove is formed in an inner cavity of the slotting supporting column, and a positioning fixing column is connected to the inner cavity of the slotting supporting column in a sliding mode. A positioning fixing column is arranged on the surface of the transverse groove, a supporting round head is welded to the top end of the positioning fixing column, a plate round head is fixedly connected to the top end of the supporting round head, supporting round rods are slidably connected to the left side and the right side of an inner cavity of the transverse groove, and a spring is welded between a bevel head and the inner cavity of the transverse groove. And when the plate round head is higher than the position of the inclined plane head, the inclined plane head is reset under the action of the spring, and the installation of the slotted support column is completed, so that the purposes of facilitating the installation of the raised floor support and accelerating the laying process of the support can be achieved.

The utility model discloses an electromagnetic needle selector with a shockproof structure, which relates to the field of electromagnetic needle selectors, and comprises an outer shell, an opening is arranged on the surface of the outer shell, a needle head is arranged in the opening, a fixed shaft is mounted in the outer shell, the needle head is sleeved on the surface of the fixed shaft, a magnetic component is mounted in the outer shell, and the surface of the fixed shaft is sleeved with the magnetic component. A through transverse groove is formed in the surface of the needle head, a groove is formed in the outer shell, a moving block is installed in the groove, and the top of the moving block is arranged to be in an isosceles triangle shape. According to the electromagnetic needle selector with the shockproof structure, the moving block, the needle head and the transverse groove are arranged, in the process that the needle head returns to the center position, the moving block ascends until the moving block is clamped in the transverse groove, and if the transverse groove of the needle head and the moving block are staggered, the transverse groove can be extruded through the bevel edge, so that the needle head returns to the middle position; in the process, the needle head can be prevented from shaking, and the knitting effect is guaranteed.

The utility model relates to a fixing tool for instrument board softening skin gluing, which comprises a working table and a plurality of fixing assemblies arranged on one side of the working table, each fixing assembly comprises a fixing rod, a moving rod, a movable block, a lower clamping plate and an upper clamping plate, one end of each movable block is sleeved on the outer wall of the corresponding fixing rod, and the other end of each movable block is sleeved on the outer wall of the corresponding moving rod. The movable rod is installed at the other end of the movable block in a penetrating mode, the installation direction of the movable rod is kept perpendicular to the fixed rod, a rotating rod is movably installed at the end of the movable rod, a lower clamping plate is fixedly installed at the end of the rotating rod, an upper clamping plate is movably installed above the lower clamping plate, and a transverse groove is formed in the outer wall of the movable rod. The direction of the lower clamping plate is changed through the rotating rod so as to adapt to the irregular shell edge, the skin is rapidly fixed from the edge, and positioning is completed. And the edge of the skin is clamped, so that an operator can conveniently apply force to smoothly paste the skin on the shell.