30results about How to "Reduce skew" patented technology

The utility model belongs to the technical field of stacking machines, and particularly discloses a drag chain anti-swing mechanism which comprises a stacking machine stand column, a drag chain guide groove and an accompanying support, the drag chain guide groove is located on one side of the stacking machine stand column and used for containing a drag chain, and the accompanying support is located above the drag chain guide groove and can be driven by the drag chain to move up and down. And the guide mechanism is arranged at the joint of the accompanying bracket and the drag chain guide groove. Through the synergistic effect of the drag chain guide groove, the accompanying support and the guide mechanism, the motion trail of the drag chain can be effectively restrained, the shaking and skewing phenomena of the drag chain in the operation process of the stacking machine are reduced, the stacking machine is more stable when lifting and horizontally carrying goods, the risks of goods deviation, collision and the like caused by swing of the drag chain are reduced, and the safety of the stacking machine is improved. The overall operation stability of the stacking machine is improved, and the safety and accuracy of goods transportation are ensured.

The invention relates to the technical field of part machining, and discloses a multi-station anti-vibration cutter stabilizing mechanism for carbon fiber part machining, which comprises a cutter chuck arranged on machining equipment; the milling cutter is used for machining parts; and the clamping mechanism is arranged on the cutter chuck and used for stably clamping the milling cutter, the clamping mechanism comprises a hollow sleeving ring, and the hollow sleeving ring axially moves after rotating. According to the multi-station anti-vibration cutter stabilizing mechanism for machining the carbon fiber parts, the positioning mechanism is arranged, and an axial hard positioning structure capable of being locked is arranged at the end of a milling cutter, so that end mechanical jacking and position locking are synchronously achieved after radial clamping of the cutter is completed, and the overall axial supporting rigidity of the cutter is remarkably improved; axial micro-motion and chatter caused by axial cutting force change and multi-station frequent reversing in the carbon fiber machining process are effectively restrained, and the quality defects such as layering and chatter marks on the machined surface are avoided.

The utility model provides an X-ray detector and an imaging system. According to the X-ray detector, the positioning columns are matched with the positioning holes of the positioning sleeves fixed to the circuit board assembly, so that the flicker module and the photoelectric conversion module of the circuit board assembly are positioned and aligned more accurately. Moreover, the structure of the existing circuit board assembly does not need to be greatly changed, and the functions can be realized only by using the additionally arranged positioning sleeve with smaller processing error, so that the cost for developing a new circuit board assembly is saved. In the imaging system, more accurate positioning and alignment are realized by the flicker module and the photoelectric conversion module of the circuit board assembly, so that the signal-to-noise ratio of the X-ray detector for imaging can be improved, the risk of image artifacts is reduced, and better imaging quality is obtained.

The utility model discloses a foundation bearing capacity detection device, which relates to the technical field of foundation bearing capacity detection, and comprises a base, a detection insertion rod mechanism and a heavy hammer mechanism, a positioning unit, a limiting unit and a guide unit are fixedly arranged on the base, through holes are arranged on the base and the limiting unit, the detection insertion rod mechanism is arranged in the through holes, and the heavy hammer mechanism is arranged on the guide unit. The heavy hammer mechanism is slidably installed on the detection insertion rod mechanism and the guide unit. The device has the beneficial effects that through cooperative work of a three-jaw chuck mechanism, an electric control telescopic mechanism, a damping assembly, a tilt angle sensor and the like in the limiting unit, accurate limiting, buffering and damping and real-time deflection monitoring of the detection insertion rod mechanism are achieved, damage of vibration to the detection insertion rod mechanism is reduced, automatic deviation correction can be conducted on the detection insertion rod mechanism, and the detection efficiency is improved. Deflection of the detection insertion rod mechanism in the detection process is effectively reduced, the stability of the detection insertion rod mechanism is improved, and the accuracy and reliability of a detection result are guaranteed.

The application belongs to the technical field of image detection, and particularly relates to a visual detection method for intelligent segmentation of components on a circuit board. The method comprises the following steps: collecting original images of the circuit board and performing manual labeling and correction to construct a component segmentation training data set; training a semantic segmentation model based on a deep convolutional neural network, adopting a cross-entropy and Dice mixed loss and dynamically adjusting the class weight to alleviate the class imbalance; inputting a to-be-detected image into the model after preprocessing to obtain a semantic segmentation mask; performing morphological post-processing on the segmentation mask to eliminate false areas and regularize the contour; and finally outputting the class, contour and position information of each component. Through standardized data set construction, preprocessing enhancement, mixed loss function and post-processing optimization, the application effectively improves the precision and stability of component segmentation under complex circuit board images, and especially improves the segmentation effect of low-frequency key components.

The utility model discloses an optical frame adjusting assembly belongs to laser processing technical field. An optical frame adjusting assembly, including fixed plate, still include: adjusting seat, be connected with fixed plate through first adjusting part, be provided with second sunken groove in adjusting seat, be provided with first sunken groove in the bottom of second sunken groove, be provided with sliding seat in first sunken groove, adjusting seat two sides are provided with second adjusting part for driving sliding seat sliding, two sliding blocks, all sliding settings are in first sunken groove, and the outer wall of two sliding blocks is respectively with the abutment of sliding seat two sides, and two sliding blocks respectively along X, Y direction sliding, the utility model discloses through second adjusting part adjustment sliding seat along X, Y direction on the displacement, after adjusting, make two sliding blocks respectively with the abutment of sliding seat two sides under the elastic action of first spring, and the convenient location of sliding seat is carried out to, and after adjusting, through first screw rod, realize its fixed, improve stability.

This application provides a mine water blocking device, including a triggering component, a supporting component, a locking component, and a main frame. The triggering component includes a trigger head, a trigger rod, and a counterweight rod. The counterweight rod is sleeved on the outside of the trigger rod, and the trigger rod can move along the inner wall of the counterweight rod. The main frame is hinged to the top of the counterweight rod. The supporting component includes a supporting bone and a movable disc. The supporting bone is connected to the main frame, and one end of the supporting bone is hinged to the edge of the movable disc. The movable disc is sleeved on the outer wall of the counterweight rod. The locking component is disposed inside the movable disc. The movement of the trigger rod triggers the locking component. The movable disc has an open state that unfolds the main frame and a closed state that retracts the main frame. The movement of the trigger head and the trigger rod unlocks the locking structure, causing the movable disc to move, the main frame to unfold, and a water blocking wall to be quickly formed. After the water blocking device is unfolded, the counterweight rod can fall at an angle to the water surface, allowing the main frame to form a skeleton structure, providing a higher support effect for the formation of the water blocking wall.

This utility model belongs to the field of mechanical manufacturing, specifically a pipe cutting machine cutting frame, including a base plate; multiple hydraulic cylinders are installed on the top of the base plate; a fixed plate is fixedly connected to the top of a group of hydraulic cylinders; multiple brackets are fixedly connected between the group of fixed plates; a gantry frame is fixedly connected to the end of the fixed plate; a first cylinder is installed on the top of the gantry frame; an adapter plate is fixedly connected to the output end of the first cylinder; a buffer assembly is installed at the bottom of the adapter plate; a pressure plate is fixedly connected to the bottom of the buffer assembly; a first reciprocating motor is installed on the top of the fixed plate; a mounting block is fixedly connected to the load end of the first reciprocating motor; a push plate is fixedly connected between the group of mounting blocks; a collection box is fixedly connected to the end of the fixed plate; the pipe cutting machine body is installed on the top of the collection box; the arc-shaped brackets and arc-shaped pressure plate can fit against the surface of the pipe, increasing the contact area, increasing the clamping stability, and reducing the skewing of the pipe caused by the pipe shaking during the cutting of the pipe cutting machine body.

The present application relates to a stator. In the stator of the present disclosure, at one end side of a stator core, the leading end portions of the two leg portions protruding from the 2*i layers on one side and the 2*i-1 layers on the other side of the circumferences of the first slots and the second slots spaced by five slots are joined to each other, and the leading end portions of the two leg portions protruding from the 2*i layers on one side and the 2*i+1 layers on the other side of the circumferences of the first slots and the second slots spaced by five slots are joined to each other in a manner that the winding end portion of the 2*i layers is connected to the winding start portion of the 2*i+1 layers.

The utility model provides an arc extinguish chamber and a switch device, and relates to the technical field of switches. The arc extinguish chamber comprises a first grid plate, a second grid plate, an insulating part and a permanent magnet. The first grid piece comprises a first base part, the second grid piece comprises a second base part, and the first base part and the second base part are arranged in a spaced mode. The insulating part is arranged between the first base part and the second base part. The insulating part is provided with a blind groove, and a groove opening of the blind groove faces the exhaust side of the arc extinguish chamber. The permanent magnets are installed in the blind grooves. The inner side of the permanent magnet, the inner side of the first base part and the inner side of the second base part are basically aligned, and the inner sides are the sides away from the exhaust side. According to the arc extinguish chamber provided by the invention, the difficulty that an arc enters the arc extinguish chamber when the switching device breaks a small current can be reduced, so that the arc extinguish efficiency of the arc extinguish chamber when the switching device breaks the small current is improved.

This invention relates to the field of swing arm installation technology, specifically to a swing arm press-fitting method and system. The method includes moving the swing arm bushing and mounting sleeve to a positioning state, wherein the positioning state includes the outer circumferential surface of a positioning post abutting the inner circumferential surface of the mounting sleeve, a first engaging portion on the positioning post being detachably connected to a second engaging portion on a positioning tube, and the positioning post and the inner spring unit being spaced apart along the press-fitting direction; moving the bushing along the press-fitting direction to a completed state, during the bushing movement, after the first engaging portion and the second engaging portion separate, the bushing drives the inner spring unit to compress along the press-fitting direction via the positioning post. The maximum resistance along the springback direction caused by the connection of the first and second engaging portions to the bushing movement is less than the maximum resistance along the springback direction caused by the inner spring unit to the bushing movement. This solves the problem of bushing misalignment during swing arm press-fitting.

The utility model relates to hoisting machinery technical field, and disclose a kind of hoisting pulley device of anti-drop slot, solve the problem proposed in background art, it includes pulley body, support and steel wire rope, further include: anti-drop slot mechanism, the anti-drop slot mechanism includes rotatable baffle being symmetrically arranged in the both sides of pulley body, rotatable baffle is hinged with support by pivot;Self-locking mechanism, the self-locking mechanism includes ratchet strip being arranged on at least one side baffle and elastic pawl being arranged on support, ratchet strip and elastic pawl engage to constitute one-way locking structure;Reset mechanism, the reset mechanism includes torsion spring being sleeved on pivot, the utility model, with can effectively block steel wire rope, even in the case where steel wire rope swings or deflection, also can prevent its drop slot, reduce manual intervention, improve the degree of automation of device, also avoid the effect of hoisting failure or equipment damage due to baffle not reset.

The present disclosure provides a rotor lock prevention system for an electric vehicle and related methods. Rotor lock prevention systems and related methods are disclosed. An example apparatus includes an electric motor having an output shaft; a drive axle for driving one or more wheels of the vehicle; a torque converter for operatively coupling the output shaft of the electric motor and the drive shaft; and a clutch movable between an open position and a closed position. The clutch fluidly couples the output shaft and the drive shaft of the electric motor when the clutch is in the open position. When the clutch is in the closed position, the clutch enables the electric motor to bypass the torque converter to mechanically couple the output shaft and the drive shaft of the electric motor.

The utility model discloses an automatic skew yarn support guide device in the glass fiber yarn support transportation process, which comprises a front chain type machine, a transfer machine, an adjusting chain type machine and a rear chain type machine, and the adjusting chain type machine is arranged between the front chain type machine and the rear chain type machine. The conveying direction of the adjusting chain type machine is perpendicular to the conveying direction of the front chain type machine and the conveying direction of the rear chain type machine, the transfer machine is installed below the adjusting chain type machine, a position sensor used for detecting whether yarn supports deviate or not is arranged on the transfer machine, a lifting mechanism is arranged at the bottom of the transfer machine, and a containing groove is formed in the upper end of the transfer machine. When the lifting mechanism drives the transfer machine to ascend to the position flush with the front chain type machine and the rear chain type machine, a conveying chain of the adjusting chain type machine is stored in the storage groove, and a check block used for stopping movement of a yarn support is installed on one side of the adjusting chain type machine and above the conveying chain. The automatic guide device is simple in structure and convenient to maintain, and the guide position is controllable and adjustable, so that the position of the yarn support is accurately controlled, and the skewing phenomenon of the yarn support is reduced.

This invention discloses an electroplating apparatus for ultra-thin PCBs with high and low copper bosses, relating to the field of printed circuit board processing technology. It includes: an electroplating gantry frame with a support rod mounted on it, and a clamping unit for holding and fixing the PCB substrate on the support rod. The clamping unit includes: a fixed frame fixed to the support rod, a connector detachably connected to the fixed frame, two sliding rods slidably connected within the connector, a fixed clamping block fixedly connected to the two sliding rods, a movable clamping block hinged to the fixed clamping block, and a fixed tension spring fixedly connected between the movable clamping block and the connector. This invention uses a substrate to push the fixed and movable clamping blocks together, changing the traction direction of the fixed tension spring on the movable clamping block, thereby keeping the fixed and movable clamping blocks in a clamped or open state. Thus, when fixing and removing the substrate, simply pushing the fixed clamping block with the substrate is sufficient to clamp and remove the substrate, improving operational convenience and reducing the probability of substrate misalignment and wear.

This utility model relates to the field of mold technology and discloses a mold that changes the parting line and ejection angle to solve the problem of product damage during ejection. It includes a front mold and a rear mold, with a cavity formed between them for molding the product. The parting line between the front and rear molds extends downwards to the bottom of one side of the rear mold, changing the original complete contact between the front and rear molds to a large-angle rubbing contact between the front mold and the rear mold. The top of the front mold and the bottom of the moving mold core of the rear mold are contacted. The ejector pins of the front mold, aligned with the easily damaged product position, are flat ejector pins; the ejector pins of the rear mold, also aligned with the easily damaged product position, are flat ejector pins. The parting line is located at the bottom of the rear mold, and the large-angle rubbing design of the front mold solves the problems of uneven force distribution at the edge of the square hole and chamfering during ejection caused by the traditional parting line being in the center. This ensures uniform force distribution on the product during ejection and reduces skewing. The flat ejector pins increase the contact area with the product, reducing unit pressure, and changing the ejection damage marks from "dot-like depressions" to "shallow linear marks" or even no marks, thus avoiding ejection damage.

The utility model discloses a double-layer pressure rubber damping stainless steel band production cutting device, and relates to the technical field of stainless steel band production, the double-layer pressure rubber damping stainless steel band production cutting device comprises a plate body, the top surface of the plate body is fixedly provided with a limiting mechanism, a flattening roller and a cutting mechanism in sequence, the flattening roller is located between the limiting mechanism and the cutting mechanism, and the limiting mechanism comprises a first fixing plate; according to the stainless steel band cutting device, the limiting mechanism is arranged, the stainless steel band can be limited through the limiting mechanism, the stainless steel band enters a follow-up cutting mechanism in a linear mode, and therefore when the stainless steel band is cut, the situation that the cutting face deflects is reduced, and the cutting efficiency is improved. According to the stainless steel band cutting device, the cutting mechanism is arranged, the threaded rod drives the cutting piece to move, and the stainless steel band can be transversely cut, so that the cutting face of the stainless steel band is relatively smooth, the subsequent using effect is improved, and the practicability of the device is improved.

The application discloses a prefabricated corner structure, which comprises a corner module, the corner module comprises a stand column (1) and corner support beams (2) arranged at two ends of the stand column (1) respectively, the corner support beams (2) are respectively provided with fixing pieces (4), the fixing pieces (4) are provided with first strip-shaped adjusting holes, external corner pieces (3) are provided with adjusting pieces (5) at two ends respectively, the adjusting pieces (5) are provided with second strip-shaped adjusting holes, the first strip-shaped adjusting holes and the second strip-shaped adjusting holes are one-to-one corresponding and matched, and the first strip-shaped adjusting holes and the second strip-shaped adjusting holes have an included angle greater than 0° in the same horizontal plane when matched, the relative positions of the fixing pieces and the corresponding adjusting pieces can be adjusted through the design of the strip-shaped holes, the relative positions of the corner support beams and the external corner pieces can be adjusted, and the angle of the outer side surface of the external corner piece can be adjusted. The whole can be connected through screws, 100% prefabrication and more than 95% recycling can be realized.

The utility model relates to lithium battery label sticking technical field discloses a kind of lithium battery label sticking device, including the conveying assembly for conveying the lithium battery of not being labeled, the label sticking mechanism for being set to the side of the conveying assembly top for the label sticking of not being labeled lithium battery, the adjusting mechanism for adjusting hot drying position is set to the side of the conveying assembly top, and adjusting mechanism is set to the side of label sticking mechanism far from the feeding end of conveying assembly, the lower side of adjusting mechanism is provided with the hot drying mechanism for the hot drying of lithium battery after label sticking, the dust removal mechanism for the dust removal of lithium battery after label sticking is set to the side of the adjusting mechanism, and dust removal mechanism is set to the side of hot drying mechanism close to the feeding end of conveying assembly, hot drying mechanism is through adjustable spacing and hot flow is even, and label adhesion is enhanced, dust removal mechanism is provided with adjustable air knife, and impurity is removed, and label sticking quality is guaranteed.

The utility model discloses an auxiliary positioning device for a punching machine, which relates to the technical field of punching machine processing and comprises a positioning table, a supporting plate is fixedly connected to the center of the top of the positioning table, two supporting blocks are fixedly connected to the top of the positioning table and positioned on two sides of the supporting plate, and driving mechanisms are symmetrically mounted on two sides of the top of the positioning table. The three locking blocks are driven to be accurately adjusted in the sliding rails through movement of the movable frame, it is guaranteed that the positions of the locking blocks can be smoothly adjusted, and the three-position locking device meets the requirements for shapes and sizes of different workpieces. Meanwhile, rotation of the second linkage rod and the fixing block enhances the flexibility of the positioning system, so that the locking block and the fixing rod can be accurately adjusted according to the specific form of the workpiece, the positioning freedom degree of the workpiece is effectively improved, it is ensured that even if the surface of the workpiece is imperfect, accurate fixing can be achieved, deviation and skew are reduced, and the machining efficiency is improved. Therefore, the machining precision and the quality of a final product are remarkably improved.

This utility model relates to the field of card dealing machine technology and discloses a high-efficiency card-splitting mechanism for a card dealing machine, including a mounting frame. A rotating shaft is rotatably connected to the bottom of the mounting frame. A card-splitting seat is fixedly connected to the outside of the rotating shaft. A card-splitting wheel is fixedly connected to the outside of the card-splitting seat. A card inlet is provided between the card-splitting wheel and the mounting frame. An inclined surface is provided above the card inlet. Protrusions are fixedly connected to the left and right sides of the bottom of the mounting frame. Two limiting ribs are fixedly connected to the middle of the bottom of the mounting frame. A pressure block is provided at the bottom of the rotating shaft. The high-efficiency card-splitting mechanism of this card dealing machine guides the cards to slide smoothly down through the inclined surface, reducing the friction and blockage probability of the cards at the inlet. Since the two card-splitting wheels are installed on the same part, high installation accuracy and consistent position are ensured, avoiding jamming caused by deviation. This achieves the effects of smooth card feeding, efficient card splitting, and reduced failure rate, thereby improving card dealing efficiency and reliability.

The utility model relates to packing machine technical field, concretely is a kind of pill feeding device of packing machine, including machine body and clamping device, the upper surface of machine body is fixedly installed with mounting bracket, the upper surface of mounting bracket is fixedly connected with hopper, the lower surface of hopper is through mounting bracket and is provided with discharge gate, clamping device is set on the surface of machine body, clamping device includes cylinder, cylinder is fixedly connected with machine body, the drive end of cylinder is through mounting bracket and is fixedly connected with driving rod, the surface of driving rod is fixedly connected with circle, the inner wall of circle is rotatably connected with clamping bar, one end of clamping bar is fixedly connected with recovery tray, and the one end of recovery tray is provided with discharge port, the utility model, can accurately fixed filling container, reduce the displacement of container due to the inertia of transmission belt start-stop, reduce the risk of pill sliding, sponge pad buffering protection container, prevent deformation damage, recovery tray timely receives falling pill, reduce waste and pollution, and recovery operation is simple, save manpower and material cost.

This utility model belongs to the field of wastewater treatment technology, specifically a wastewater treatment agent dosing structure, including a treatment tank; one end of the treatment tank is connected to an inlet, and the other end is connected to an outlet. A guide rail is fixedly connected to one side of the treatment tank, and a first slider is slidably connected to the middle of the guide rail. A first support is fixedly connected to the top of the first slider, and a first crossbar is fixedly connected to the top of the first support. A dosing bucket is fixedly connected to the bottom of the first crossbar, and an external water pipe is connected to the top of the dosing bucket. The external water pipe is fixedly connected to the first crossbar, and multiple spray holes are connected to the bottom of the dosing bucket. By setting up the guide rail, the first slider, the first support, the first crossbar, the dosing bucket, the external water pipe, and the spray holes, the wastewater treatment agent dosing range is wider, making it mix more evenly with the wastewater, thereby improving wastewater treatment efficiency.

The application discloses a hobbing hole forming device for anti-seismic support machining, which is applied to the technical field of anti-seismic support machining and comprises a protective shell. A rotating column is rotationally connected to the inside of the protective shell. A roller is slidably sleeved on the surface of the rotating column. Different size hobbing discs are sequentially formed in the surface of the roller. Second wheel discs are fixedly sleeved on the two ends of the surface of the rotating column. A hobbing mechanism and an adjusting mechanism are arranged in the protective shell. In the process of rotating the hobbing disc by the first motor to roll the teeth of the anti-seismic support, the gravity rolling ball rolls downwards in the cavity groove, so that the downward impact force is generated on the hobbing disc, the hobbing disc is reciprocatingly vibrated up and down, the hole formed by rolling is impacted by the continuous up-and-down vibration of the hobbing disc, the phenomena of hole skewing and incomplete hole forming are reduced, and the quality and efficiency of the hole forming of the anti-seismic support are improved.

This invention provides a cathode fixing device for an X-ray tube, comprising a first clamping block and a second clamping block disposed opposite to each other on both sides of a protective sleeve. The first clamping block includes a positioning part pointing towards the protective sleeve, and a positioning groove is formed on the positioning part. A contact strip protrudes from the inner surface of the positioning groove. The extending direction of the positioning groove and the contact strip is parallel to the axial direction of the support rod. Two contact strips are spaced apart. This cathode fixing device uses multiple contact strips to perform multi-point positioning of the protective sleeve, effectively improving the positioning effect. Furthermore, the gaps between the contact strips provide uniform displacement space for thermal expansion, preventing lateral displacement due to thermal expansion. This reduces support rod misalignment caused by thermal expansion, improves the positioning reliability of the support rod, and consequently improves the positioning reliability of the filament fixed to the support rod, thus improving the quality of the X-ray tube.

The utility model discloses a weaving machine side support pricking ring of adjustable interval relates to weaving machine component technical field, including pricking ring seat and assembly component, pricking ring seat is integrated structure, and pricking ring seat adopts aluminium alloy material, and pricking ring seat surface has the polyurethane coating of composite, and assembly component includes main thread connection groove, main thread connection column, pricking ring extension seat, vice thread connection groove, vice thread connection column, inner recessed slot, elastic embedded ring and pricking ring ring body. The weaving machine side support pricking ring of adjustable interval, through assembly component makes the device can realize the quick assembly of each component to the department, and can adjust the interval between pricking ring according to actual need, makes it can through dynamic adaptation fabric thickness change, significantly reduces the weft skew and side support mark of high density thick heavy fabric, promotes cloth surface flatness, through the protection component makes the device can effectively improve the protection of pricking ring itself, makes it not easy to be damaged, to prolong its use time.

A coffee brewing structure with single-double cup switching function, comprising a main support, a swing support arranged in the main support, a powder adding station and a brewing station arranged on the main support, a brewing cylinder arranged in the swing support, a brewing valve mounted at the bottom of the brewing cylinder, the brewing cylinder being driven by a switching power mechanism to switch between the powder adding station and the brewing station; a sliding block capable of sliding relative to the main support is arranged in the brewing station, an end of the sliding block towards the brewing cylinder is provided with a brewing head; when the brewing station, the brewing head cooperates with the brewing cylinder and defines a coffee chamber with the brewing valve; an adjusting mechanism is arranged between the main support and the sliding block, the adjusting mechanism has at least two positioning states, the adjusting mechanism drives the brewing head to switch between a first brewing position and a second brewing position through the sliding block, so that the coffee chamber forms different effective volumes to correspond to single cup brewing and double cup brewing respectively.

The application discloses a rotary glassware laser cutting mechanism and relates to the technical field of glassware processing equipment. The rotary glassware laser cutting mechanism comprises a mechanical clamp jaw installed on a rotating disc. A material supporting table is arranged at the feeding position of the mechanical clamp jaw. A positioning opening is formed in the top of the material supporting table and is adapted to be inserted into an inverted glass goblet. The positioning opening can keep the cup body axis extension line of the glass goblet and the rotation axis line of the mechanical clamp jaw in the same line. A telescopic driving unit is installed at the bottom of the material supporting table. When the telescopic driving unit is in the elongated state, the cup foot of the glass goblet on the material supporting table is in the clamping area of the mechanical clamp jaw. The material supporting table with the positioning opening is arranged at the feeding position of the mechanical clamp jaw, so that the cup body axis extension line of the glass goblet and the rotation axis line of the mechanical clamp jaw are kept in the same line, and the cup mouth skewing of the glass goblet is greatly reduced.

The utility model provides a wall surface decorative plate convenient to fix, which relates to the technical field of decorative plates and comprises a plate body which is adhered and mounted on a wall surface through glue to provide decoration and protection for the wall surface. The installation assembly is arranged on the plate body, the installation assembly can be matched with glue to rapidly adhere and install the plate body on a wall surface after the position of the plate body is adjusted, the installation assembly comprises a first groove, the first groove is formed in the plate body, a second groove is formed in the side, close to the first groove, of the plate body, and the second groove is matched with the first groove. The second groove is connected with the first groove through a round hole; according to the utility model, the mounting assembly is arranged, so that a person can freely adjust the position of the plate body before adhering the plate body, the conditions that the plate body is inclined when the person directly adheres the plate body to the wall surface, the plate body or the wall surface is damaged when the plate body is separated from the wall surface, and the normal use of the plate body is influenced are reduced, and the fixing efficiency and convenience of the plate body are improved.