CN206544101U - An Improved Grinding Equipment - Google Patents

Abstract

The utility model relates to the technical field of grinding machine tools, in particular to an improved grinding device, a frame is provided with a feeding seat for moving an angle adjusting type mounting seat back and forth, the frame is provided with a slide rail and a rack which are connected with the feeding seat in a sliding way, an automatic dust suction device is connected with a motor and is arranged on the adjustable type mounting seat, the frame is provided with a left upper vertical plate and a right upper vertical plate which are used for installing a time-sharing clamping device and an anti-clamping safety device, the left upper vertical plate and the right upper vertical plate are also provided with a pressing cover, a turnover type protective cover is connected with the pressing cover, the time-sharing clamping device can flexibly press the workpiece with different sizes and quantities and the angle adjusting type mounting seat to realize that workpieces with different angles can be processed according to requirements, the automatic dust suction device effectively prevents dust from leaking by utilizing a dustproof brush surrounding a cutter head to protect the health of operating personnel, provides great convenience for automatic production and has strong creativity and practicability.

Description

An Improved Grinding Equipment

technical field

The utility model relates to the technical field of grinding machine tools, in particular to an improved grinding equipment.

Background technique

Grinding is used to process the inner and outer cylindrical surfaces, conical surfaces and planes of various workpieces, as well as special and complex shaped surfaces such as threads, gears and splines, by using high-speed rotating grinding wheels and other abrasive tools. The hardness of the grain is very high, the abrasive tool is self-sharpening, and the grinding can be used to process various materials, including hardened steel, high-strength alloy steel, hard alloy, glass, ceramics and marble and other high-hardness metal and non-metallic materials. At present, most of the grinding machine tools on the market do not have the functions of detachable clamping, vacuuming and adjusting the grinding angle at the same time, which is not conducive to automated production for the current market demand.

Contents of the invention

The technical problem to be solved by the utility model is to provide an improved grinding device, which has the advantages of detachable clamping, dust suction and grinding angle adjustment.

In order to solve the above technical problems, the utility model adopts the following technical solutions: an improved grinding equipment, including a frame, a motor, an anti-pinch safety device, an automatic dust collector, a detachable clamping device, and an angle-adjustable mounting seat And the flip-type protective cover is characterized in that: the frame is provided with a feed seat for the angle-adjustable mounting seat to move back and forth, the frame is provided with a slide rail and a rack that are slidably connected to the feed seat, and the automatic The dust suction device is installed on an adjustable mounting base, and the frame is provided with an upper left vertical plate and an upper right vertical plate for installing a detachable clamping device and an anti-pinch safety device, and the upper left vertical plate and the upper right vertical plate are also installed with pressure A tight cover, the flip-type protective cover is connected to the compression cover.

Preferably, the angle-adjustable mount includes a base, a bottom plate, a sliding plate, a scale plate and a sliding piece, the bottom plate is fixedly connected to the sliding plate, and the scale plate is provided with an arc sliding groove for sliding the sliding plate and The first through hole, the sliding plate is provided with a second through hole and a third through hole connected to the sliding piece, the sliding piece is connected to the third through hole through the arc sliding groove, and the first through hole is connected to the third through hole. The second through hole is fixedly connected by a shaft, the scale plate is two pieces, and the two scale plates are installed on the base, and the sliding plate is provided with two pieces, and the two sliding plates are installed on the two scale plates respectively. The sliding part of the plate is a screw.

Preferably, the automatic dust collector includes a cutter head and a dust-proof mounting plate connected to the motor, a dust-proof brush connected to the dust-proof mounting plate around the cutter head, and a hopper fixedly installed on the feed seat, the dust-proof The mounting plate is provided with an arc groove for fitting the head of the motor and a gap groove for connecting the dust-proof brush.

Preferably, the gap slot in the dust-proof mounting plate is clamped with a dust-proof bracket, the dust-proof brush is fixedly mounted on the dust-proof bracket, and the dust-proof mounting plate is threadedly connected with an upper arc jacket and a lower arc Jacket, the upper arc jacket and the lower arc jacket are combined to form an arc jacket, and the arc jacket is set on the head end of the motor.

Preferably, the anti-pinch safety device includes a baffle, a safety device and a safety bar, the upper left vertical board and the upper right vertical board are provided with lifting guide rails for lifting and sliding of the baffle, the safety rod is provided with a floating part, the The baffle is provided with a fourth through hole for the floating part to pass through, the safety device is installed on the baffle, the safety device includes a body and a sensing strip protruding from the body, the floating part abuts against the sensing strip, the The pressing cover is provided with a driving device for driving the baffle up and down.

Preferably, the floating part is provided with a guide post hole, the baffle is provided with a guide post, and the guide post hole is floatingly connected to the guide post, the safety device is a micro switch, the driving device is a cylinder, and the The micro switch is connected with the cylinder.

Preferably, the detachable clamping device includes a mounting frame, a mounting frame fixing plate and a driving device, the mounting frame is fixedly connected to the mounting frame fixing plate, and the left upper vertical plate and the right upper vertical plate are provided with supporting plates and adjusting The mounting frame fixing plate is installed on the supporting plate and connected to the adjusting plate, the driving device is fixedly installed on the mounting frame, the mounting frame is provided with a driving device fixing plate, and the driving device fixing plate is installed with a The drive switch, the drive device is provided with a presser foot, the drive device has more than two, and the two or more second drive devices are fixedly installed on the mounting frame, and the supporting plate and the adjusting plate are connected to the upper plate by screws. As for the vertical plate, the adjusting plate is connected to the fixing plate of the mounting frame through screws, and the screws of the adjusting plate abut against the fixing plate of the mounting frame.

Preferably, the flip-type protective cover includes an upper cover hinge set, an upper cover, an upper cover wall panel and a first driving device, the upper cover hinge set is fixedly installed on the compression cover, and the upper cover The cover plate is movably connected to the upper cover plate hinge group, the upper cover plate wall plate is fixedly connected to the upper cover plate, and the upper cover plate wall plate is provided with a first screw and a second screw for fixing the first driving device, The first screw and the second screw are provided with a first spherical head and a second spherical head, the upper cover is provided with a handle, and the first driving device includes an upper cover gas spring cylinder and an upper cover Plate gas spring cylinder rod, the upper cover plate gas spring cylinder body is provided with a second universal ball joint that is movably connected with the second ball head, and the upper cover plate gas spring cylinder rod is provided with a first ball joint The first universal ball joint of the head articulation.

Preferably, the flip-type protective cover is also provided with a front door panel mounted on the compression cover, a front door panel hinge group, a third screw, a fourth screw and a second driving device, and the front door panel is movably connected to the front door panel hinge assembly. Page group, the third screw is provided with a third ball head, the fourth screw is provided with a fourth ball head, the second driving device includes a front door panel gas spring cylinder and a front door panel gas spring cylinder rod, The front door panel is provided with a swing part, the fourth screw is installed on the swing part, and the gas spring cylinder rod of the front door panel is provided with a fourth universal ball joint that is movably connected with the fourth ball head. The cylinder body of the door panel gas spring is provided with a third universal ball joint which is movably connected with the third ball head.

Preferably, the frame is also equipped with a workbench, and the compression cover is equipped with a front door protection plate.

The beneficial effects of the utility model are: the utility model provides an improved grinding equipment, including a frame, a motor, an anti-pinch safety device, an automatic dust collector, a detachable clamping device, an angle-adjustable mounting seat and The flip-type protective cover is characterized in that: the frame is provided with a feed seat for the angle-adjustable mounting seat to move back and forth, the frame is provided with a slide rail and a rack that are slidably connected to the feed seat, and the automatic The dust collection device is connected to the motor and installed on an adjustable mounting base. The frame is provided with a left upper vertical plate and a right upper vertical plate for installing a detachable clamping device and an anti-pinch safety device. The left upper vertical plate and the right upper vertical plate are also A compression cover is installed, and the flip-type protective cover is connected to the compression cover. In actual work, the detachable clamping device can determine the number of driving devices required according to the size and quantity of the workpiece, and can drive multiple drives at the same time. The device is pressed down to compress the workpiece to realize the flexible clamping function. When your hands do not leave the machine table during the clamping process, the baffle will drop to the workbench as usual when the machine is opened by mistake or due to a sudden failure. When the grinding is started, the safety lever on the baffle will touch the hands still on the workbench, so the safety device connected to the safety rod will be triggered, and the driving device connected to the safety device will turn the baffle Pull back to a safe height to avoid injury to the operator. After the workpiece is clamped and ready to be ground, and the workpiece needs to be ground to a certain angle, you can first unscrew the two holes in the angle-adjustable mounting seat. The scale plate is connected to the screw of the sliding plate, and then push the sliding plate to slide slowly in the arc sliding groove in the scale plate, find the corresponding value on the scale plate according to the required angle, and then move the sliding plate to move the scale line to the corresponding value After the adjustment is completed, you can start grinding. After grinding, you need to put down the protective cover. Just press the upper cover down a certain distance with a little force. The gas spring will force the protective cover to close automatically and stay at the position. In the closed state, the function of the front door panel is also the same. When the grinding starts, the feed seat will drive the receiving hopper, the motor and the dust collection device installed on the motor to move in the slide rail of the frame. It will be blocked by the dust-proof brushes installed on the cutter head, left and right ends and cannot be leaked at will. Finally, all of them will be discharged from the bottom to the receiving hopper and collected, so as to prevent environmental pollution caused by dust leakage. The front door protection plate is used for Protect the driving device from accidentally touching the fixture during processing. Combining the above five new devices enables the machine tool to have multiple processing advantages at the same time, providing great convenience for automated production, and has strong creativity and practicability.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of the utility model after the upper cover is removed.

Fig. 2 is a partially enlarged structural schematic diagram of the angle-adjustable mounting seat of the present invention.

Fig. 3 is a partially enlarged schematic diagram of the disassembled automatic dust collection device of the present invention.

Fig. 4 is a structural schematic diagram of the anti-pinch safety device of the present invention.

FIG. 5 is a schematic diagram of a partially enlarged structure of part A in FIG. 4 .

Fig. 6 is a structural schematic diagram of the detachable clamping device of the present invention.

Fig. 7 is a structural schematic diagram of the flip-type protective cover of the present invention.

Fig. 8 is a partially enlarged structural schematic diagram of the third driving device for the upper cover of the present invention.

FIG. 9 is a partially enlarged structural schematic diagram of the fourth driving device on the front panel of the present invention.

detailed description

In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in conjunction with the examples, and the content mentioned in the embodiment is not a limitation of the utility model.

As shown in Figures 1 to 9, an improved grinding equipment includes a frame 1, a motor 2, an anti-pinch safety device 3, an automatic dust collector 4, a detachable clamping device 5, and an angle-adjustable mounting seat 6 and a flip-type protective cover 7, characterized in that: the frame 1 is provided with a feed seat 11 for the angle-adjustable mounting seat 6 to move back and forth, and the frame 1 is provided with a feed seat 11 that is slidably connected to the feed seat 11. Slide rail 12 and rack 13, the automatic vacuum device 4 is installed on the angle-adjustable mounting base 6, and the frame 1 is provided with an upper left vertical plate for installing the detachable clamping device 5 and the anti-clamping safety device 3 14 and the upper right vertical plate 15, the upper left vertical plate 14 and the upper right vertical plate 15 are also equipped with a compression cover 8, and the flip-type protective cover 7 is connected to the compression cover 8.

In the improved grinding equipment of this embodiment, in actual work, the detachable clamping device 5 can determine the number of second driving devices 53 needed according to the size and quantity of the workpiece, and can drive multiple second driving devices 53 at the same time Press down to compress the workpiece to realize the flexible clamping function. When your hands do not leave the machine table 16 during the clamping process, the baffle 31 will drop to the workbench as usual when the machine tool is opened by mistake or it opens automatically due to a sudden failure. 16 is ready to start grinding. At this time, the safety lever 33 on the baffle plate 31 will touch the hands still on the workbench 16, so that the safety device 32 connected to the safety lever 33 will be triggered. At this time, the safety device 32 connected to the safety device The first driving device 37 of 32 can pull the baffle plate 31 back to a safe height to avoid injuring the operator. The two screws in the angle-adjustable mounting base 6 pass through the scale plate 64 and are connected to the sliding plate 63, and then push the sliding plate 63 to slide slowly in the circular arc sliding groove 66 in the scale plate 64, and the required angle is Find the corresponding value on the scale plate 64, and then move the sliding plate 63 to move the scale line to the corresponding value. After the adjustment is completed, you can start grinding. After starting the grinding, you need to put down the protective cover. 72. Pressing down a certain distance, the gas spring will be forced to force the protective cover to close automatically and stay in the closed state. The same is true for the function of the front door panel 81. When grinding starts, the feed seat 11 will drive the receiving hopper 44 and the motor. 2 and the dust suction device installed on the motor 2 moves in the slide rail 12 of the frame 1. When there is dust in the chips of the cutter head 41, it will be blocked by the dust-proof brushes 43 on the left and right ends of the cutter head 41 and cannot be arbitrarily Finally, all of them are discharged from below to the receiving hopper 44 and collected, so as to prevent environmental pollution caused by dust leakage, and the front door protection plate 17 is used to protect the second driving device 53 from accidentally touching the clamp during processing. Five new devices enable the machine tool to have multiple processing advantages at the same time, provide convenience for automated production, and have strong creativity and practicability.

In this embodiment, the angle-adjustable mounting seat 6 includes a base 61, a bottom plate 62, a sliding plate 63, a scale plate 64 and a slider 65, the bottom plate 62 is fixedly connected to the sliding plate 63, and the scale plate 64 is set There is an arc sliding groove 66 and a first through hole 67 for the sliding of the sliding plate 63, the sliding plate 63 is provided with a second through hole 68 and a third through hole 69 connected with the sliding piece 65, the sliding piece 65 passes through The arc-crossing sliding groove 66 is connected to the third through hole 69, the first through hole 67 is fixedly connected to the second through hole 68 through the shaft, and the scale plate 64 is two pieces, and the two scale plates 64 are installed on the The base 61, the sliding plate 63 is provided with two corresponding scale plates 64, and the two sliding plates 63 are respectively installed on the two scale plates 64. The sliding member 65 is a screw, so that workpieces with different angles can be processed. The structure is simple and easy to realize, and the practicability is strong.

In this embodiment, the automatic dust collector 4 includes a cutterhead 41, a dustproof mounting plate 42 connected to the motor 2, a dustproof brush 43 connected to the dustproof mounting plate 42 around the cutterhead 41, and a dustproof brush 43 fixedly installed on the feeder. The receiving hopper 44 of the seat 11, the dust-proof mounting plate 42 is provided with an arc groove 45 for the head of the motor 2 and a gap groove 46 for connecting the dust-proof brush 43, the gap groove in the dust-proof mounting plate 42 46 is clamped with a dust-proof bracket 47, the dust-proof brush 43 is fixedly installed on the dust-proof bracket 47, and the dust-proof mounting plate 42 is threadedly connected with an upper arc jacket 48 and a lower arc jacket 49, the upper circle The arc jacket 48 and the lower arc jacket 49 are combined to form an arc jacket 410. The arc jacket 410 is set on the head end of the motor 2, and the dust-proof brush 43 is installed around the cutter head 41 to prevent dust from leaking out. Simple structure, low cost and strong practicability.

In this embodiment, the anti-pinch safety device 3 includes a baffle 31, a safety device 32 and a bumper 33, and the left upper vertical plate 14 and the right upper vertical plate 15 are provided with lifting guide rails 34 for the vertical sliding of the baffle plate 31, so The bumper 33 is provided with a floating part 35, the baffle 31 is provided with a fourth through hole 36 for the floating part 35 to pass through, the safety device 32 is installed on the baffle 31, and the safety device 32 includes a body 321 and a The sensing bar 322 protruding from the main body 321, the floating part 35 abuts against the sensing bar 322, the pressing cover 8 is provided with a first drive device 37 for driving the baffle 31 up and down, and the floating part 35 is provided with a guide post hole 351, the baffle plate 31 is provided with a guide post 311, the guide post hole 351 is floatingly connected to the guide post 311, the safety device 32 is a micro switch, the first driving device 37 is a cylinder, and the micro switch The micro switch is connected to the cylinder, and the micro switch is connected to the cylinder to protect the safety of the workers, which is very practical.

In this embodiment, the detachable clamping device 5 includes a mounting frame 51, a mounting frame fixing plate 52 and a second driving device 53, the mounting frame 51 is fixedly connected to the mounting frame fixing plate 52, and the left upper vertical plate 14 and the upper right vertical plate 15 are all provided with a supporting plate 54 and an adjusting plate 55, the mounting frame fixing plate 52 is installed on the supporting plate 54 and connected to the adjusting plate 55, and the second driving device 53 is fixedly installed on the mounting frame 51, so The mounting frame 51 is provided with a second driving device fixing plate 58, and the second driving device fixing plate 58 is equipped with a driving switch 56 for controlling the second driving device 53, and the driving device is provided with a presser foot 57. There are more than two second driving devices 53, and the two or more second driving devices 53 are all fixedly installed on the mounting frame 51, and the supporting plate 54 and the adjusting plate 55 are connected to the upper vertical plate by screws, and the adjusting plate 55 Connected to the fixing plate 52 of the mounting frame by screws, the adjusting plate 55 is screwed against the fixing plate 52 of the mounting frame, and a plurality of second driving devices 53 and presser feet 57 can be installed on the mounting frame 51 at the same time, realizing simultaneous or separate It can compress workpieces of different sizes at any time, with strong flexibility, simple structure, low cost and strong practicability.

In this embodiment, the flip-type protective cover 7 includes an upper cover hinge set 71, an upper cover plate 72, an upper cover wall panel 73 and a third driving device 712, and the upper cover hinge set 71 is fixedly installed In the compression cover 8, the upper cover plate 72 is movably connected to the upper cover plate hinge group 71, and the upper cover plate wall plate 73 is fixedly connected to the upper cover plate 72, and the upper cover plate wall plate 73 is provided with a Fix the first screw 74 and the second screw 75 of the third driving device 712, the first screw 74 and the second screw 75 are provided with a first ball head 76 and a second ball head 77, the upper cover plate 72 A handle portion 78 is provided, and the third driving device 712 includes an upper cover gas spring cylinder 710 and an upper cover gas spring cylinder rod 79, and the upper cover gas spring cylinder 710 is provided with a second spherical head 77 is a second universal ball joint 711 that is movably connected, and the gas spring cylinder rod 79 of the upper cover plate is provided with a first universal ball joint 713 that is movably connected with the first ball head 76. The protective cover 7 is also provided with a front door panel 81, a front door panel hinge group 82, a third screw 83, a fourth screw 84 and a fourth driving device 85 installed on the compression cover 8, and the front door panel 81 is movably connected to the front door panel Hinge group 82, the third screw 83 is provided with a third ball head 86, the fourth screw 84 is provided with a fourth ball head 87, and the fourth driving device 85 includes a front door panel gas spring cylinder 88 And the front door panel gas spring cylinder rod 89, the front door panel 81 is provided with a swing part 810, the fourth screw 84 is installed on the swing part 810, and the front door panel gas spring cylinder rod 89 is provided with the fourth ball head 87 The fourth universal ball joint 812 that is movably connected, the gas spring cylinder body 88 of the front door panel is provided with the third universal ball joint 811 that is movably connected with the third ball head 86, and the upper The semi-automatic turning over and closing of the cover plate 72 and the front door plate 81 is simple in structure, easy to realize and strong in practicability.

In the description of the present utility model, it should be noted that, for orientation words, if there are terms "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", " Width", "Thickness", "Top", "Bottom", "Front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner ", "outside", "clockwise", "counterclockwise" and other indication orientations and positional relationships are based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying The devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

In addition, terms such as "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of technical features. Therefore, the definition of "first" and "second" features may explicitly or implicitly include one or more of these features. In the description of the utility model, "several" means two or more, unless There are other specific restrictions.

In this utility model, unless otherwise clearly specified and limited, if there are terms "assembled", "connected", and "connected", the terms should be interpreted in a broad sense, for example, it can be a fixed connection or a detachable connection, or Integral connection; it can also be mechanical connection; it can be connected directly or through an intermediary, and it can be that two components are internally connected. Those of ordinary skill in the art can understand the specific meanings of the above-mentioned terms in the present utility model according to specific situations.

The above-mentioned embodiments only express some implementations of the present invention, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the present invention. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (10)

1. a kind of modified equipment for grinding, including frame（1）, motor（2）, clamp-proof safety device（3）, automatic dust-absorbing device（4）、 Can timesharing clamping device（5）, can angle adjustable mounting seat（6）With convertible protective cover（7）, it is characterised in that：The frame （1）Can angle adjustable mounting seat provided with confession（6）Movable feeding seat（11）, the frame（1）Provided with being slidably connected to Feed seat（11）Slide rail（12）With rack（13）, the automatic dust-absorbing device（4）Being installed on can angle adjustable mounting seat （6）, the frame（1）Provided with for install can timesharing clamping device（5）And clamp-proof safety device（3）Upper left riser（14）With Upper right riser（15）, the upper left riser（14）With upper right riser（15）It is also equipped with compressing cover（8）, the convertible protective cover （7）It is connected to compression cover（8）.

2. modified equipment for grinding according to claim 1, it is characterised in that：It is described can angle adjustable mounting seat（6） Including base（61）, bottom plate（62）, sliding panel（63）, scale plate（64）And sliding part（65）, the bottom plate（62）It is fixedly connected In sliding panel（63）, the scale plate（64）It is provided with for sliding panel（63）The Circular Sliding groove of slip（66）And first through hole （67）, the sliding panel（63）Provided with the second through hole（68）And and sliding part（65）The third through-hole of connection（69）, the cunning Moving part（65）Through Circular Sliding groove（66）It is connected to third through-hole（69）, the first through hole（67）With the second through hole（68）It is logical Cross axle to be fixedly connected, the scale plate（64）For two pieces, two pieces of scale plates（64）It is mounted on base（61）, the sliding panel （63）Two pieces are provided with, two pieces of sliding panels（63）It is respectively arranged in two pieces of described scale plates（64）, the sliding part（65） For screw.

3. modified equipment for grinding according to claim 1, it is characterised in that：The automatic dust-absorbing device（4）Including knife Disk（41）Be connected to motor（2）Dust-proof installing plate（42）, around cutterhead（41）It is connected to dust-proof installing plate（42）It is dust-proof Brush（43）Be fixedly installed in feeding seat（11）Receiving hopper（44）, the dust-proof installing plate（42）Provided with for being set with motor （2）The arc groove of stem（45）With for connecting dustproof brush（43）Clearance groove（46）.

4. modified equipment for grinding according to claim 3, it is characterised in that：The dust-proof installing plate（42）In gap Groove（46）It is connected with dust-proof frame（47）, the dustproof brush（43）It is fixedly installed in dust-proof frame（47）, the dust-proof installing plate （42）It is threaded with circular arc chuck（48）With lower circular arc chuck（49）, circular arc chuck on this（48）With lower circular arc chuck（49） It is combined to form circular arc chuck（410）, the circular arc chuck（410）It is set in motor（2）Head end.

5. modified equipment for grinding according to claim 1, it is characterised in that：The clamp-proof safety device（3）Including gear Plate（31）, safety device（32）And bumper bar（33）, the upper left riser（14）With upper right riser（15）Provided with for baffle plate （31）The riser guide of lifting carriage（34）, the bumper bar（33）It is provided with float portion（35）, the baffle plate（31）Provided with use In float portion（35）The fourth hole passed through（36）, the safety device（32）It is installed on baffle plate（31）, the safety device （32）Including body（321）With from body（321）The induction strip of stretching（322）, the float portion（35）It is connected to induction strip （322）, it is described to compress cover（8）Provided with driving baffle plate（31）The first driving means of lifting（37）.

6. modified equipment for grinding according to claim 5, it is characterised in that：The float portion（35）Provided with guide pillar hole （351）, the baffle plate（31）Provided with guide pillar（311）, the guide pillar hole（351）Floating connection is in guide pillar（311）, the safety dress Put（32）For microswitch, the first driving means（37）For cylinder, the microswitch is connected with cylinder.

7. modified equipment for grinding according to claim 1, it is characterised in that：It is described can timesharing clamping device（5）Including Mounting bracket（51）, mounting bracket fixed plate（52）With the second drive device（53）, the mounting bracket（51）It is fixedly connected on mounting bracket Fixed plate（52）, the upper left riser（14）With upper right riser（15）It is provided with supporting plate（54）With adjustable plate（55）, the peace Shelve fixed plate（52）It is installed on supporting plate（54）And it is connected to adjustable plate（55）, second drive device（53）It is fixedly installed in Mounting bracket（51）, the mounting bracket（51）Provided with the second drive device fixed plate（58）, the second drive device fixed plate （58）It is provided with for controlling the second drive device（53）Driving switch（56）, second drive device（53）Provided with presser feet （57）, second drive device（53）There is two or more, more than two second drive devices（53）It is fixedly installed in Mounting bracket（51）, the supporting plate（54）With adjustable plate（55）It is connected by screw in upper vertical plate, the adjustable plate（55）Pass through spiral shell Nail is connected to mounting bracket fixed plate（52）, the adjustable plate（55）Screw is connected to mounting bracket fixed plate（52）.

8. modified equipment for grinding according to claim 1, it is characterised in that：The convertible protective cover（7）Including upper Cover plate hinge group（71）, upper cover plate（72）, upper cover plate wallboard（73）With the 3rd drive device（712）, the upper cover plate hinge group （71）It is fixedly installed in compression cover（8）, the upper cover plate（72）It is movably connected on upper cover plate hinge group（71）, the upper cover plate wall Plate（73）It is fixedly connected on upper cover plate（72）, the upper cover plate wallboard（73）It is provided with for fixing the 3rd drive device（712） The first screw（74）With the second screw（75）, first screw（74）With the second screw（75）Provided with the first ball head（76） With the second ball head（77）, the upper cover plate（72）Provided with handle portion（78）, the 3rd drive device（712）Including upper cover plate Gas spring cylinder（710）With upper cover plate gas spring cylinder rod（79）, the upper cover plate gas spring cylinder（710）Provided with the second bulb Portion（77）The second multi-directional ball hair style joint being flexibly connected（711）, the upper cover plate gas spring cylinder rod（79）Provided with the first ball Head（76）The first multi-directional ball hair style joint being flexibly connected（713）.

9. modified equipment for grinding according to claim 1, it is characterised in that：The convertible protective cover（7）It is additionally provided with It is installed on compression cover（8）Front door（81）, front door hinge group（82）, the 3rd screw（83）, the 4th screw（84）With the 4th Drive device（85）, the front door（81）It is movably connected on front door hinge group（82）, the 3rd screw（83）Provided with Three ball heads（86）, the 4th screw（84）Provided with the 4th ball head（87）, the four-drive device（85）Including front door Plate gas spring cylinder（88）With front door gas spring cylinder rod（89）, the front door（81）Provided with swing part（810）, the described 4th Screw（84）It is installed on swing part（810）, the front door gas spring cylinder rod（89）Provided with the 4th ball head（87）Activity is even The 4th multi-directional ball hair style joint connect（812）, the front door gas spring cylinder（88）Provided with the 3rd ball head（86）Activity 3rd multi-directional ball hair style joint of connection（811）.

10. modified equipment for grinding according to claim 1, it is characterised in that：The frame（1）It is also equipped with workbench （16）, it is described to compress cover（8）Front door protection board is installed（17）.