阅读说明：本技术 一种磨轮可变速的板材机 (Variable-speed plate machine with grinding wheel ) 是由 子海慧 于 2020-06-05 设计创作，主要内容包括：本发明公开了一种磨轮可变速的板材机,包括壳体,所述壳体中设有姿态辅助调整空间,所述姿态辅助调整空间右侧设有打磨空间,所述姿态辅助调整空间下侧设有主要姿态调整空间,所述姿态辅助调整空间与所述主要姿态调整空间中设有用于固定代加工板材姿态的姿态矫正装置,所述姿态辅助调整空间中还设有用于辅助矫正姿态的辅助矫正姿态装置,采用了机械结构的机械夹代替了传统的气动夹,机构运动更加顺滑,行程也不再大部分暴露在外,对人的影响较小,由于夹紧对板材的影响也较小,运用了行星轮变速装置使得磨轮能够以不同的速度来打磨不同有不同速度要求的板材,使得在使用本发明加工板材时更有针对性。(The invention discloses a variable-speed plate machine of a grinding wheel, which comprises a shell, wherein a posture auxiliary adjusting space is arranged in the shell, a grinding space is arranged on the right side of the posture auxiliary adjusting space, a main posture adjusting space is arranged on the lower side of the posture auxiliary adjusting space, posture correction devices for fixing the posture of a plate to be machined are arranged in the posture auxiliary adjusting space and the main posture adjusting space, an auxiliary posture correction device for assisting the posture correction is also arranged in the posture auxiliary adjusting space, a mechanical clamp adopting a mechanical structure replaces a traditional pneumatic clamp, the mechanism moves more smoothly, the stroke is not mostly exposed outside any more, the influence on people is small, the influence on the plate is small due to the fact that the clamping has small influence on the plate, and a planetary gear variable-speed device is adopted to enable the grinding wheel to grind different plates with different speed requirements, the invention is more targeted when the invention is used for processing the plate.)

1. A variable-speed plate making machine with grinding wheels comprises a shell, and is characterized in that: a variable-speed plate machine with a grinding wheel comprises a shell, wherein a posture auxiliary adjusting space is arranged in the shell, a grinding space is arranged on the right side of the posture auxiliary adjusting space, a main posture adjusting space is arranged on the lower side of the posture auxiliary adjusting space, a posture correction device for fixing the posture of a plate to be machined is arranged in the posture auxiliary adjusting space, a transmission power shaft is fixedly connected to the front inner side wall and the rear inner side wall of the posture auxiliary adjusting space, a transmission motor is connected to the power on the right side of the transmission power shaft, two belt pulleys are fixedly connected to the left side and the right side of the transmission power shaft in a symmetrical distribution mode relative to a central line, a belt is connected to the belt pulleys on the belt pulleys, a roller wheel is fixedly connected to the transmission power shaft, eighteen transmission power shafts are sequentially arranged at equal intervals along the horizontal, each transmission power shaft is fixedly connected with the roller wheel, the lower inner side wall of the main posture adjustment space is fixedly connected with the steering engine, the left side of the steering engine is in power connection with a shaft, the lower inner side wall of the main posture adjustment space is sequentially and equidistantly fixedly connected with three gear supports, the gear supports are rotatably connected with the shafts, the shafts are sequentially and equidistantly fixedly connected with three gears, gear connecting rods are fixedly connected onto the gears, connecting rods are hinged onto the gear supports, positioning clamps are hinged onto the gear connecting rods, the connecting rods are hinged to the positioning clamps, the positioning clamps can be abutted against plates, three groups of two transmission motors which are symmetrical about the central line of the gears are fixedly connected onto the gears, the lower inner side wall of the posture auxiliary adjustment space is hinged to a connecting rod, the upper side of the connecting rod is hinged to the ejector rod, and the left side of the ejector rod can, the upper side of the side link is hinged with a connecting rod, the upper side of the connecting rod is hinged with a vertical ejector rod, the upper side of the vertical ejector rod is hinged with the connecting rod, the right side of the connecting rod is hinged with the sliding block, a spring is fixedly connected between the shell and the connecting rod, the upper side of the vertical ejector rod is hinged with a connecting rod, the left side of the connecting rod is hinged with a sliding rod, the inner wall of the upper side of the shell is slidably connected with two sliding rods, the lower sides of the two sliding rods are fixedly connected with auxiliary positioning wheels, the left side of the connecting rod is hinged with the sliding rod, when the plate is conveyed to a specified position, the steering engine is opened to enable the shaft to rotate, the shaft rotates to enable the gear connecting rod and the connecting rod to rotate, the positioning clamps at the, the plate polishing machine is characterized in that a polishing device used for polishing the surface of a plate is arranged in the polishing space, a speed change device used for adjusting polishing speed of different plates is further arranged in the polishing space, and a transmission device used for transmitting the plate is arranged in the posture auxiliary adjusting space and the polishing space.

2. The grinding wheel variable-speed plate machine as claimed in claim 1, wherein the posture auxiliary adjustment space has an inner side wall hinged to a side link, the upper side of the side link is hinged to the top rod, the left side of the top rod can abut against the transmission motor, the upper side of the side link is hinged to a connecting rod, the upper side of the connecting rod is hinged to a vertical top rod, the upper side of the vertical top rod is hinged to the connecting rod, the right side of the connecting rod is hinged to the slide block, a spring is fixedly connected between the housing and the connecting rod, the upper side of the vertical top rod is hinged to a connecting rod, the left side of the connecting rod is hinged to a slide rod, the inner wall of the upper side of the housing is slidably connected to two slide rods, the lower sides of the two slide, when the plate is conveyed to the designated position, the steering engine is opened, the shaft rotates, the conveying motor rotates to a position where the conveying motor can be abutted to the ejector rod, the ejector rod moves rightwards, the vertical ejector rod moves upwards, the connecting rod moves leftwards, the auxiliary positioning wheel moves downwards, the auxiliary positioning wheel is in contact with the plate, and the purpose of auxiliary posture adjustment is achieved.

3. The grinding wheel variable speed sheet metal machine of claim 1, wherein: the polishing device comprises a polishing wheel box arranged on the upper side wall of the polishing space, a polishing wheel transmission space is arranged in the polishing wheel box, a polishing wheel motor is fixedly connected to the upper side wall of the polishing wheel transmission space, a shaft is in power connection with the left side of the polishing wheel motor, a bevel gear is fixedly connected to the left side of the shaft, a baffle is fixedly connected to the left side wall of the polishing wheel transmission space, a transmission shaft is slidably connected to the baffle, the bevel gear is fixedly connected to the upper side of the transmission shaft, the right side of the bevel gear is meshed with the bevel gear, the bevel gear is fixedly connected to the lower side of the transmission shaft, a sun wheel input shaft and a wheel carrier are slidably connected to the right side wall of the baffle, the input bevel gear is fixedly connected to the left side of the sun wheel input shaft, a sun wheel is fixedly connected to, the outer sides of the three planet wheels are meshed with a grinding wheel, when a plate is required to be transported to a fixed position, the grinding wheel motor is started, so that the shaft rotates, the shaft is meshed with the bevel gear through the bevel gear, so that the bevel gear rotates, the bevel gear rotates through meshing with the input bevel gear, so that the sun wheel rotates, the wheel carrier rotates, the three planet wheels rotate around a central point, and therefore the grinding wheel rotates.

4. The grinding wheel variable speed sheet metal machine of claim 1, wherein: speed change gear includes baffle left side fixedly connected with tensioning motor, sliding connection has two sliding compression pieces in the sliding compression piece, tensioning motor right side power connection has the lead screw, threaded connection has two on the lead screw sliding compression piece, two annular friction fins of outside fixedly connected with, sliding compression piece can with annular friction fin contradicts, and when needs variable speed, tensioning motor starts to make the lead screw rotates, makes sliding compression piece remove left with annular friction fin contacts, and the frictional force that produces makes wheel carrier stall, three the planet wheel stops to wind the revolution of sun gear, it is three the planet wheel still with the emery wheel inner gearing makes the emery wheel rotates, thereby has accelerated the rotation of emery wheel reaches the variable speed effect.

5. The grinding wheel variable speed sheet metal machine of claim 1, wherein: the transmission device comprises a transmission power shaft fixedly connected to the front inner side wall and the rear inner side wall of the posture auxiliary adjusting space, the right side of the transmission power shaft is in power connection with a transmission motor, the left side and the right side of the transmission power shaft are symmetrically distributed and fixedly connected with two belt pulleys around a central line, a belt wheel on the belt pulley is connected with a belt, eighteen transmission power shafts are fixedly connected with a roller wheel and are sequentially arranged at equal intervals along the horizontal line of the left inner side wall and the right inner side wall of the posture auxiliary adjusting space, the roller wheel is fixedly connected on each transmission power shaft, when transmission is needed, the transmission motor is turned on, so that the transmission power shaft rotates, the belt moves, thereby driving other belt pulleys to rotate, and enabling other roller wheels to rotate, thereby achieving the transmission effect.

Technical Field

The invention relates to the field of related plate machines, in particular to a plate machine with a variable-speed grinding wheel.

Background

The plate is a flat rectangular building material plate with standard size, which is widely applied to the building industry and is mostly used as a component of a wall, a ceiling or a floor, before the plate is processed, whether the planeness of the plate meets the requirements of users can be emphatically checked, the planeness is an important index during processing, the planeness of the processed plate is polished by a multipurpose grinding wheel to reach the expected requirements, the position of the plate must be controlled in a preset polishing area before polishing to achieve the polishing effect, the traditional position control mode is that a pneumatic claw quickly bounces from the lower part of a conveying wheel to push the plate to a fixed position, and as the stroke of the pneumatic claw is exposed outside, potential safety hazards exist due to the fact that the speed is too high, the grinding wheel can only rotate at one speed aiming at different plates, and cannot be processed in a more targeted manner.

Disclosure of Invention

The present invention is directed to a variable-speed grinding wheel plate-making machine, which solves the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a variable-speed plate machine with a grinding wheel comprises a shell, wherein a posture auxiliary adjusting space is arranged in the shell, a grinding space is arranged on the right side of the posture auxiliary adjusting space, a main posture adjusting space is arranged on the lower side of the posture auxiliary adjusting space, a posture correction device for fixing the posture of a plate to be machined is arranged in the posture auxiliary adjusting space, a transmission power shaft is fixedly connected to the front inner side wall and the rear inner side wall of the posture auxiliary adjusting space, a transmission motor is connected to the power on the right side of the transmission power shaft, two belt pulleys are fixedly connected to the left side and the right side of the transmission power shaft in a symmetrical distribution mode relative to a central line, a belt is connected to the belt pulleys on the belt pulleys, a roller wheel is fixedly connected to the transmission power shaft, eighteen transmission power shafts are sequentially arranged at equal intervals along the horizontal, each transmission power shaft is fixedly connected with the roller wheel, the lower inner side wall of the main posture adjustment space is fixedly connected with the steering engine, the left side of the steering engine is in power connection with a shaft, the lower inner side wall of the main posture adjustment space is sequentially and equidistantly fixedly connected with three gear supports, the gear supports are rotatably connected with the shafts, the shafts are sequentially and equidistantly fixedly connected with three gears, gear connecting rods are fixedly connected onto the gears, connecting rods are hinged onto the gear supports, positioning clamps are hinged onto the gear connecting rods, the connecting rods are hinged to the positioning clamps, the positioning clamps can be abutted against plates, three groups of two transmission motors which are symmetrical about the central line of the gears are fixedly connected onto the gears, the lower inner side wall of the posture auxiliary adjustment space is hinged to a connecting rod, the upper side of the connecting rod is hinged to the ejector rod, and the left side of the ejector rod can, the upper side of the side link is hinged with a connecting rod, the upper side of the connecting rod is hinged with a vertical ejector rod, the upper side of the vertical ejector rod is hinged with the connecting rod, the right side of the connecting rod is hinged with the sliding block, a spring is fixedly connected between the shell and the connecting rod, the upper side of the vertical ejector rod is hinged with a connecting rod, the left side of the connecting rod is hinged with a sliding rod, the inner wall of the upper side of the shell is slidably connected with two sliding rods, the lower sides of the two sliding rods are fixedly connected with auxiliary positioning wheels, the left side of the connecting rod is hinged with the sliding rod, when the plate is conveyed to a specified position, the steering engine is opened to enable the shaft to rotate, the shaft rotates to enable the gear connecting rod and the connecting rod to rotate, the positioning clamps at the, the plate polishing machine is characterized in that a polishing device used for polishing the surface of a plate is arranged in the polishing space, a speed change device used for adjusting polishing speed of different plates is further arranged in the polishing space, and a transmission device used for transmitting the plate is arranged in the posture auxiliary adjusting space and the polishing space.

Preferably, the lower inner side wall of the posture auxiliary adjustment space is hinged with a side link, the upper side of the side link is hinged with the ejector rod, the left side of the ejector rod can be abutted against the conveying motor, the upper side of the side link is hinged with a connecting rod, the upper side of the connecting rod is hinged with a vertical ejector rod, the upper side of the vertical ejector rod is hinged with the connecting rod, the right side of the connecting rod is hinged with the slider, a spring is fixedly connected between the shell and the connecting rod, the upper side of the vertical ejector rod is hinged with a connecting rod, the left side of the connecting rod is hinged with a sliding rod, the inner wall of the upper side of the shell is slidably connected with two sliding rods, the lower sides of the two sliding rods are fixedly connected with auxiliary positioning wheels, the left side of the connecting rod is hinged with the sliding rod, the shaft is rotated, the conveying motor is rotated to a position where the conveying motor can be abutted to the ejector rod, the ejector rod moves rightwards, the vertical ejector rod moves upwards, the connecting rod moves leftwards, the auxiliary positioning wheel moves downwards, the auxiliary positioning wheel is in contact with the plate, and the purpose of auxiliary posture adjustment is achieved.

Preferably, the polishing device comprises a polishing wheel box arranged on the upper side wall of the polishing space, a polishing wheel transmission space is arranged in the polishing wheel box, a polishing wheel motor is fixedly connected to the upper side wall of the polishing wheel transmission space, a shaft is in power connection with the left side of the polishing wheel motor, a bevel gear is fixedly connected to the left side of the shaft, a baffle is fixedly connected to the left side wall of the polishing wheel transmission space, a transmission shaft is slidably connected to the baffle, the bevel gear is fixedly connected to the upper side of the transmission shaft, the right side of the bevel gear is meshed with the bevel gear, the bevel gear is fixedly connected to the lower side of the transmission shaft, a sun wheel input shaft and a wheel carrier are slidably connected to the right side wall of the baffle, the sun wheel input shaft is fixedly connected to the left side of the transmission shaft, a sun wheel is fixedly connected to the right, the outer sides of the three planet wheels are meshed with a grinding wheel, when a plate is required to be transported to a fixed position, the grinding wheel motor is started, so that the shaft rotates, the shaft is meshed with the bevel gear through the bevel gear, so that the bevel gear rotates, the bevel gear rotates through meshing with the input bevel gear, so that the sun wheel rotates, the wheel carrier rotates, the three planet wheels rotate around a central point, and therefore the grinding wheel rotates.

Preferably, the speed changing device comprises a tensioning motor fixedly connected to the left side of the baffle plate, two sliding pressing pieces are slidably connected to the sliding pressing pieces, the right side of the tensioning motor is in power connection with a screw rod, the screw rod is in threaded connection with two sliding pressing pieces, the outer side of the sliding pressing piece is fixedly connected with two annular friction fins, the sliding pressing piece can be abutted against the annular friction fins, when speed change is needed, the screw rod is rotated by starting the tensioning motor, the sliding pressing piece is enabled to move leftwards to be in contact with the annular friction fin, the wheel frame stops rotating due to the generated friction force, the three planet wheels stop revolving around the sun wheel, the three planet wheels are still in inner engagement with the grinding wheel, and the grinding wheel rotates, so that the rotation of the grinding wheel is accelerated, and the speed change effect is achieved.

Preferably, the transmission device comprises a transmission power shaft fixedly connected to the front inner side wall and the rear inner side wall of the posture auxiliary adjusting space, the right side of the transmission power shaft is in power connection with a transmission motor, the left side and the right side of the transmission power shaft are symmetrically distributed and fixedly connected with two belt pulleys around a central line, a belt wheel on the belt pulley is connected with a belt, eighteen transmission power shafts are fixedly connected with a roller wheel and are sequentially arranged at equal intervals along the horizontal line of the left inner side wall and the right inner side wall of the posture auxiliary adjusting space, the roller wheel is fixedly connected on each transmission power shaft, when transmission is needed, the transmission motor is turned on, so that the transmission power shaft rotates, the belt moves, thereby driving other belt pulleys to rotate, and enabling other roller wheels to rotate, thereby achieving the transmission effect.

In conclusion, the beneficial effects of the invention are as follows: the mechanical clamp adopting the mechanical structure replaces the traditional pneumatic clamp, the mechanism moves more smoothly, most of the stroke is not exposed outside any more, the influence on people is small, and the influence on the plate is small.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic overall cross-sectional front view of a variable-speed grinding wheel sheet-forming machine according to the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention;

fig. 4 is a partial enlarged view of the invention at C in fig. 3.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, front and rear directions described below correspond to the front, back, left, right, top and bottom directions of the view direction of fig. 1, fig. 1 is a front view of the apparatus of the present invention, and the directions shown in fig. 1 correspond to the front, back, left, right, top and bottom directions of the apparatus of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: a plate machine with variable-speed grinding wheels comprises a shell 11, wherein an attitude auxiliary adjusting space 13 is arranged in the shell 11, a polishing space 17 is arranged on the right side of the attitude auxiliary adjusting space 13, a main attitude adjusting space 14 is arranged on the lower side of the attitude auxiliary adjusting space 13, an attitude correction device for fixing the attitude of a plate to be machined is arranged in the main attitude adjusting space 14, a transmission power shaft 21 is fixedly connected to the front inner side wall and the rear inner side wall of the attitude auxiliary adjusting space 13, a transmission motor 65 is connected to the right side of the transmission power shaft 21, two belt pulleys 22 are fixedly connected to the left side and the right side of the transmission power shaft 21 in a symmetrical distribution mode about a central line, a belt 20 is connected to the belt pulleys 22, a roller wheel 66 is fixedly connected to the transmission power shaft 21, eighteen transmission power shafts 21 are arranged along the left inner side wall and the right side wall of the attitude auxiliary adjusting space 13, each transmission power shaft 21 is fixedly connected with the roller wheel 66, the lower inner side wall of the main posture adjusting space 14 is fixedly connected with the steering engine 67, the left side of the steering engine 67 is in power connection with a shaft 36, the lower inner side wall of the main posture adjusting space 14 is sequentially and equidistantly fixedly connected with three gear supports 71, the gear supports 71 are rotatably connected with the shaft 36, the shaft 36 is sequentially and equidistantly fixedly connected with three gears 35, the gear 35 is fixedly connected with a gear connecting rod 37, the gear supports 71 are hinged with connecting rods 38, the gear connecting rod 37 is hinged with a positioning clamp 39, the connecting rod 38 is hinged with the positioning clamp 39, the positioning clamp 39 can be abutted against a plate 19, the gear 35 is fixedly connected with three groups of two transmission motors 65 which are symmetrical about the central line of the gear 35, and the lower inner side wall of the posture auxiliary adjusting space 13 is hinged with a connecting rod 33, the upper side of the side link 33 is hinged with the top rod 34, the left side of the top rod 34 can be abutted against the transmission motor 65, the upper side of the side link 33 is hinged with the connecting rod 32, the upper side of the connecting rod 32 is hinged with the vertical top rod 31, the upper side of the vertical top rod 31 is hinged with the connecting rod 28, the right side of the connecting rod 28 is hinged with the sliding block 29, a spring 30 is fixedly connected between the shell 11 and the connecting rod 28, the upper side of the vertical top rod 31 is hinged with the connecting rod 27, the left side of the connecting rod 27 is hinged with the connecting rod 26, the left side of the connecting rod 26 is hinged with the sliding rod 24, the inner wall of the upper side of the shell 11 is slidably connected with the two sliding rods 24, the lower sides of the two sliding rods 24 are fixedly connected with the auxiliary positioning wheel 23, the shaft 36 rotates to enable the gear connecting rod 37 and the connecting rod 38 to rotate, the positioning clamps 39 on the two sides are clamped inwards to achieve the effect of adjusting the posture, an auxiliary posture correction device for assisting posture correction is further arranged in the posture auxiliary adjusting space 13, a polishing device for polishing the surface of the plate is arranged in the polishing space 17, a speed change device for adjusting polishing speed of different plates is further arranged in the polishing space 17, and a transmission device for transmitting the plate is arranged in the posture auxiliary adjusting space 13 and the polishing space 17.

In addition, in one embodiment, the auxiliary posture adjusting device includes a side link 33 hinged to the lower inner side wall of the posture auxiliary adjusting space 13, the top side of the side link 33 is hinged to the top rod 34, the left side of the top rod 34 can abut against the conveying motor 65, the top side of the side link 33 is hinged to the connecting rod 32, the top side of the connecting rod 32 is hinged to the vertical top rod 31, the top side of the vertical top rod 31 is hinged to the connecting rod 28, the right side of the connecting rod 28 is hinged to the sliding block 29, a spring 30 is fixedly connected between the housing 11 and the connecting rod 28, the top side of the vertical top rod 31 is hinged to the connecting rod 27, the left side of the connecting rod 27 is hinged to the connecting rod 26, the left side of the connecting rod 26 is hinged to the sliding rod 24, the inner wall of the upper side of the housing 11 is slidably connected to, the auxiliary positioning wheel 23 can abut against the plate 19, when the plate is conveyed to a specified position, the steering engine 67 is opened, the shaft 36 is rotated, the conveying motor 65 is rotated to a position where the plate can abut against the ejector rod 34, the ejector rod 34 moves rightwards, the vertical ejector rod 31 moves upwards, the connecting rod 26 moves leftwards, the auxiliary positioning wheel 23 moves downwards, the auxiliary positioning wheel 23 and the plate 19 are in contact with each other, and the purpose of auxiliary posture adjustment is achieved.

In addition, in one embodiment, the polishing device comprises a polishing wheel box 12 arranged on the upper side wall of the polishing space 17, a polishing wheel transmission space 15 arranged in the polishing wheel box 12, a polishing wheel motor 54 fixedly connected to the upper side wall of the polishing wheel transmission space 15, a shaft 41 dynamically connected to the left side of the polishing wheel motor 54, a bevel gear 42 fixedly connected to the left side of the shaft 41, a baffle 60 fixedly connected to the left side wall of the polishing wheel transmission space 15, a transmission shaft 44 slidably connected to the baffle 60, a bevel gear 43 fixedly connected to the upper side of the transmission shaft 44, a bevel gear 42 engaged with the right side of the bevel gear 43, a bevel gear 45 fixedly connected to the lower side of the transmission shaft 44, a sun wheel input shaft 47 slidably connected to the right side wall of the baffle 60 and a wheel carrier 48, a 53 slidably connected to the right side of the baffle 60, and the input bevel, a sun gear 51 is fixedly connected to the right side of the sun gear input shaft 47, three planet gears 49 which are symmetrical about the center are fixedly connected to the right side of the wheel carrier 48, the outer sides of the three planet gears 49 are meshed with a grinding wheel 53, when the plate material is required to be transported to a fixed position, the grinding wheel motor 54 is started so as to rotate the shaft 41, the shaft 41 is meshed with the bevel gear 43 through the bevel gear 42 so as to rotate the bevel gear 45, the bevel gear 45 is rotated so as to rotate the sun gear 51 through meshing with the input bevel gear 46, and the wheel carrier 48 is rotated so as to rotate the three planet gears 49 around the central point so as to rotate the grinding wheel 53.

In addition, in one embodiment, the speed changing device includes a tightening motor 63 fixedly connected to the left side of the baffle 60, two sliding pressing plates 61 are slidably connected to the sliding pressing plates 61, a lead screw 62 is dynamically connected to the right side of the tightening motor 63, two sliding pressing plates 61 are threadedly connected to the lead screw 62, two annular friction fins 64 are fixedly connected to the outer side, the sliding pressing plates 61 can abut against the annular friction fins 64, when speed change is required, the tightening motor 63 is started to rotate the lead screw 62, so that the sliding pressing plates 61 move leftward to contact the annular friction fins 64, the generated friction force stops rotation of the wheel carrier 48, three planet wheels 49 stop revolution around the sun wheel 51, and three planet wheels 49 still contact the grinding wheel 53, so that the grinding wheel 53 rotates, thereby accelerating the rotation of the grinding wheel 53 to achieve a speed change effect.

In addition, in one embodiment, the transmission device includes a transmission power shaft 21 fixedly connected to the front and rear inner side walls of the posture auxiliary adjusting space 13, a transmission motor 65 is power-connected to the right side of the transmission power shaft 21, two belt pulleys 22 are symmetrically distributed and fixedly connected to the left and right sides of the transmission power shaft 21 about the center line, a belt 20 is connected to the belt pulley 22, a roller wheel 66 is fixedly connected to the transmission power shaft 21, eighteen transmission power shafts 21 are sequentially arranged at equal intervals along the horizontal line of the left and right inner side walls of the posture auxiliary adjusting space 13, the roller wheel 66 is fixedly connected to each transmission power shaft 21, when transmission is required, the transmission motor 65 is turned on to rotate the transmission power shaft 21 so that the transmission power shaft 21 rotates, the belt 20 moves, and thereby the other belt pulleys 22 are driven to rotate, causing the other roller wheels 66 to rotate, thereby achieving a gearing effect.

In the initial state, the positioning clip 39 is below the horizontal plane of the upper side of the roller wheel 66, the auxiliary positioning wheel 23 is not in contact with the sheet material 19, the roller wheel 66 is in a stationary state, and the sliding pressing sheet 61 does not interfere with the annular friction fin 64.

When transmission is needed, the transmission motor 65 is opened, the transmission power shaft 21 is rotated, the belt 20 is moved, the other belt pulleys 22 are driven to rotate, the other roller wheels 66 are rotated, a transmission effect is achieved, when the plate is transmitted to a specified position, the steering engine 67 is opened, the shaft 36 is rotated, the gear connecting rod 37 and the connecting rod 38 are rotated, the positioning clamps 39 on the two sides are clamped inwards, the posture is adjusted, when the plate is transmitted to the specified position, the steering engine 67 is opened, the shaft 36 is rotated, the transmission motor 65 is rotated to a position capable of being abutted against the ejector rod 34, the ejector rod 34 moves rightwards, the vertical ejector rod 31 moves upwards, the connecting rod 26 moves leftwards, the auxiliary positioning wheel 23 moves downwards, the auxiliary positioning wheel 23 is contacted with the plate 19, and the posture adjustment is assisted, when it is desired to transport the sheet to a fixed position, grinding wheel motor 54 is activated, thereby rotating shaft 41, shaft 41 via the engagement of bevel gear 42 with bevel gear 43, so that the bevel gear 45 rotates, the bevel gear 45 rotates by meshing with the input bevel gear 46, so that the sun wheel 51 rotates, the wheel carrier 48 rotates so that the three planet wheels 49 rotate about a central point, thereby rotating the grinding wheel 53, and when speed change is required, the tightening motor 63 is activated to rotate the lead screw 62, so that the sliding pressing sheet 61 moves leftwards to contact with the annular friction fin 64, the generated friction force stops the rotation of the wheel carrier 48, the revolution of the three planetary wheels 49 around the sun wheel 51 stops, the three planetary wheels 49 still engage with the grinding wheel 53, the grinding wheel 53 is rotated, so that the rotation of the grinding wheel 53 is accelerated to achieve a speed change effect.

The invention has the beneficial effects that: the mechanical clamp adopting the mechanical structure replaces the traditional pneumatic clamp, the mechanism moves more smoothly, most of the stroke is not exposed outside any more, the influence on people is small, and the influence on the plate is small.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.