A quick-release lapping head and its working method

Abstract

The application provides a grinding head quick detach type grinding machine and a working method thereof. The grinding machine comprises a grinding machine body, a grinding head detachably connected to the front side of the grinding machine body, a lifting mechanism installed on the front side of the grinding machine body, and a guide wheel assembly detachably connected to the grinding machine body. The grinding head detachable assembly is detachably connected between the grinding head and the grinding machine body. The application has reasonable design. The detachable connection between the grinding machine body and the grinding head and the cooperation of the lifting mechanism realize the quick separation of the grinding machine body and the grinding head. The movement of the grinding machine body after separation is realized through the guide wheel assembly. The movement of the grinding head after separation is realized through the grinding head detachable assembly. The application does not need a specific lifting platform and is convenient to disassemble and replace. The application is convenient for professional grinding machine maintenance and nursing work. The grinding head can be self-adaptively adjusted according to the height difference between the left and right ground, and the grinding height can be self-adaptively adjusted during the grinding process.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of fast disassembly type grinder of grinding head and its working method. BACKGROUND

[0002] Currently, floor grinder is mainly used for grinding treatment of ground, which can effectively polish terrazzo, concrete surface layer and epoxy mortar layer and old epoxy floor, etc., with the characteristics of light, flexible, high work efficiency, etc.

[0003] However, the existing floor grinder generally includes a movable grinder main body, a grinding head is installed on the front side of the grinder main body, and a dust collection mechanism is installed on the rear side of the grinder main body. Different grinding heads or grinding discs are used for different floors. The general method for replacing the grinding head is to move the large grinder main body with the grinding head to a special lifting platform similar to a vehicle maintenance operation, and perform the disassembly operation of the grinder main body and the grinding head through the lifting platform. If only the grinding disc is replaced, the entire machine also needs to be lifted to manually replace the grinding disc. Therefore, if the grinding head or the grinding disc can be quickly replaced, it becomes a technical problem to be solved, and the present application is thus born. SUMMARY

[0004] Therefore, the purpose of the present application is to overcome the shortcomings of the prior art and provide a fast disassembly type grinder of grinding head and its working method. The design is reasonable. The grinder main body and the grinding head are detachably connected, and the lifting mechanism is matched to realize the quick separation of the grinder main body and the grinding head. The movement of the grinder main body after separation is realized through the guide wheel assembly, and the movement of the grinding head after separation is realized through the grinding head disassembly and replacement assembly. No special lifting platform is needed, and the disassembly and replacement are convenient, which facilitates the professional maintenance and care of the grinder.

[0005] The present application adopts the following scheme: a fast disassembly type grinder of grinding head, including a grinder main body, a detachable connection of a grinding head is provided on the front side of the grinder main body, a lifting mechanism is installed on the front side of the grinder main body, a guide wheel assembly is detachably connected to the grinder main body, and a grinding head disassembly and replacement assembly is further included, which is detachably connected between the grinding head disassembly and replacement assembly and the grinding head.

[0006] Further, a connecting bracket for connecting the grinding head is provided on the front side of the grinder main body, grinding head hinge seats are symmetrically provided on the left and right sides of the upper part of the grinding head, and the side part of the connecting bracket is rotatably connected to the same side of the grinding head hinge seat through a pin shaft.

[0007] Further, the grinding head hinged seat comprises vertically hinged plates arranged symmetrically left and right, the hinged plates are provided with shaft sleeve mounting holes, eccentric shaft sleeves are sleeved in the shaft sleeve mounting holes, and pin shafts are inserted between the two eccentric shaft sleeves.

[0008] Further, the grinding head comprises a grinding head shell, a gear box mounting plate is arranged in the grinding head shell, a grinding disc driven by a gear box is mounted below the gear box mounting plate, the grinding head hinged seat further comprises a hinged base, the hinged base is mounted on the gear box mounting plate, a hinged connecting block is arranged on the hinged base, the hinged plate is arranged on the hinged connecting block, a clearance opening is formed in the grinding head shell for the hinged plate to extend out, a clamping shoulder is arranged on the outer periphery of the upper end of the hinged connecting block, and the clamping shoulder abuts against the grinding head shell on the outer periphery of the clearance opening.

[0009] Further, the lifting mechanism is mounted on the front side of the connecting support, the lifting mechanism comprises a jacking oil cylinder, the jacking oil cylinder is vertically mounted on the middle part of the front side of the connecting support, a clearance hole is formed in the grinding head corresponding to the telescopic end of the jacking oil cylinder, and a support base is connected to the telescopic end of the jacking oil cylinder through a universal shaft.

[0010] Further, an installation rack is arranged on the middle part of the front side of the connecting support, the lifting mechanism is mounted on the installation rack, the guide wheel assembly comprises a front guide wheel assembly, the front guide wheel assembly comprises a front guide wheel fixing frame, a front guide wheel is rotatably connected to the lower end of the front guide wheel fixing frame, a front guide wheel mounting seat is arranged on the installation rack corresponding to the upper end of the front guide wheel fixing frame, the upper end of the front guide wheel fixing frame is fixed in the front guide wheel mounting seat through a pin, an L-shaped clamping slot is formed in the front guide wheel mounting seat, and a clamping pin matched with the L-shaped clamping slot is arranged on the upper end of the front guide wheel fixing frame.

[0011] Further, the guide wheel assembly further comprises a rear guide wheel assembly, the rear guide wheel assembly comprises a rear guide wheel fixing frame, a rear guide wheel is rotatably connected to the lower end of the rear guide wheel fixing frame, and a rear guide wheel mounting seat is arranged on the middle part of the rear side of the grinding machine body corresponding to the upper end of the rear guide wheel fixing frame.

[0012] Further, the grinding head replacement assembly comprises grinding head plug-in supports arranged symmetrically left and right, the grinding head plug-in supports comprise a bottom plate, a walking wheel is rotatably connected to the bottom plate, a lifting rod is mounted on the middle part of the bottom plate, a plug-in plate is arranged on the side of the lifting rod, plug-in seats are arranged symmetrically left and right on the grinding head, horizontal plug-in sleeve sleeves are arranged on the plug-in seats corresponding to the front and back, the direction of the plug-in sleeve sleeves is the same as that of the shaft sleeve mounting holes, and plug-in pin shafts are arranged on the plug-in plate corresponding to the shaft sleeve mounting holes and the plug-in sleeve sleeves.

[0013] Further, the lower part of the grinder body is symmetrically installed with an electric wheel assembly, the electric wheel assembly comprises a wheel frame, a wheel is rotationally connected to the lower part of the wheel frame, a motor mechanism for driving the wheel to rotate is installed on the side of the wheel frame, a positioning pin hole is formed on the top of the wheel frame, a matching pin hole is arranged on the bottom plate of the grinder body corresponding to the positioning pin hole, the positioning pin hole and the matching pin hole are connected through a positioning pin, and the wheel frame and the bottom plate of the grinder body are locked through at least two bolts.

[0014] A working method of a grinder with a detachable grinding head:

[0015] When the grinding head needs to be replaced or separated from the grinder body:

[0016] Step 1: pull out the pin shaft in the hinge seat of the left and right grinding heads and move out the eccentric shaft sleeve, and release the connection between the connecting bracket and the grinding head;

[0017] Step 2: start the jacking oil cylinder, the jacking oil cylinder drives the front side of the connecting bracket to lift up, so that the connecting bracket and the grinding head are completely separated;

[0018] Step 3: fix the front guide wheel assembly on the front side of the connecting bracket, then reset the jacking oil cylinder, and the extension end of the jacking oil cylinder is separated from the grinding head through the upper end of the gap hole, and the front guide wheel abuts against the ground;

[0019] Step 4: fix the rear guide wheel assembly on the rear side of the grinder body;

[0020] Step 5: move away the grinder body;

[0021] Step 6: insert the plug-in pin shaft of the left and right two grinding heads into the corresponding shaft sleeve mounting hole and the plug-in sleeve on the plug-in bracket, then lift the plug-in plate through the lifting rod, drive the grinding head to separate from the ground, and realize the movement of the grinding head.

[0022] Compared with the prior art, the present application has the following advantages: the grinder body and the grinding head are quickly separated through the detachable connection of the grinder body and the grinding head and the cooperation of the lifting mechanism, the grinder body is moved through the guide wheel assembly after separation, the grinding head is moved through the grinding head disassembly and replacement assembly, a special lifting platform is not needed, the disassembly and replacement are convenient, the professional maintenance and care work of the grinder is facilitated, and the grinding head can be self-adaptively adjusted according to the height difference between the left and right ground, so that the grinding height of the grinding head is self-adaptively adjusted during the grinding process. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The figure is a structural schematic diagram of the present application;

[0024] Figure 2 isFigure 1 Enlarged structural diagram at middle A;

[0025] Figure 3 For Figure 2 Structural diagram after removing the connecting bracket;

[0026] Figure 4 For the main structural diagram of the application (grinding head section);

[0027] Figure 5 For Figure 4 Enlarged structural diagram at middle B;

[0028] Figure 6 For the main body of the grinding machine and the connecting structure diagram of the guide wheel assembly (front side) after connection;

[0029] Figure 7 For Figure 6 Enlarged structural diagram at middle C;

[0030] Figure 8 For the main body of the grinding machine and the connecting structure diagram of the guide wheel assembly (rear side) after connection;

[0031] Figure 9 For Figure 8 Enlarged structural diagram at middle D;

[0032] Figure 10 For the connecting structure diagram of the grinding head and the grinding head replacement assembly of the application;

[0033] Figure 11 For the main body structure diagram of the grinding machine (bottom side);

[0034] Figure 12 For the cross-sectional structural diagram of the main body of the grinding machine and the guide wheel assembly after connection;

[0035] Figure 13 For the connecting structure diagram of the main body of the grinding machine and the grinding head.

[0036] In the figure: 1-grinding machine main body; 2-grinding head; 3-lifting mechanism; 4-guide wheel assembly; 5-grinding head replacement assembly; 6-connection support; 7-grinding head hinged seat; 8-hinged plate; 9-shaft sleeve mounting hole; 10-eccentric shaft sleeve; 11-pivot; 12-grinding head shell; 13-gearbox mounting plate; 14-gearbox; 15-grinding disc; 16-hinged base; 17-hinged connecting block; 17-1-clamping shoulder; 18-clearance opening; 19-jack oil cylinder; 20-clearance hole; 21-cardan shaft; 22-support base; 23-mounting frame; 24-front guide wheel assembly; 25-front guide wheel fixing frame; 25-1-inclined plate; 25-2-connection column; 26-front guide wheel; 27-front guide wheel mounting seat; 27-1-front guide wheel mounting seat plate; 28-peg; 29-L-shaped clamping groove; 30-clamping peg; 31-rear guide wheel assembly; 32-rear guide wheel fixing frame; 32-1-support plate; 32-2-horizontal connecting plate; 32-3-connection top plate; 32-4-reinforced connection rib plate; 32-5-slot; 33-rear guide wheel; 34-rear guide wheel mounting seat; 34-1-rear guide wheel mounting plug-in plate; 35-grinding head plug-in support; 36-bottom plate; 37-traveling wheel; 38-lifting rod; 39-plug-in plate; 40-plug-in seat; 40-1-plug-in seat bottom plate; 40-2-plug-in seat connection column; 40-3-clearance mounting hole; 41-peg sleeve; 42-plug-in peg shaft; 43-electric wheel assembly; 44-wheel frame; 45-wheel; 46-motor mechanism; 46-1-motor; 46-2-gear set; 47-positioning peg hole; 48-matching peg hole; 49-positioning peg. DETAILED DESCRIPTION

[0037] The application will be further described below in conjunction with the drawings and examples.

[0038] It should be noted that the following detailed description is exemplary in nature and is intended to provide further description of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0039] It is also important to note that the terms used herein are not intended to limit the particular embodiments of the present application disclosed in this specification. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. In addition, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Furthermore, to the extent that the terms "including", "includes", "having", "has", "with", or variants thereof are used in either the detailed description or the claims, such terms are intended to be inclusive in a manner similar to the term "comprising".

[0040] As Figures 1-13As shown, a kind of quick-release grinding head grinder, including grinder main body 1, the front side of the grinder main body 1 can be detachably connected with grinding head 2, lifting mechanism 3 is installed on the front side of the grinder main body 1, guide wheel assembly 4 is detachably connected on the grinder main body 1, and grinding head replacement assembly 5 is further included, and the grinding head replacement assembly 5 is detachably connected between the grinding head 2 and the grinding head 2;

[0041] In use, when the grinding head 2 needs to be replaced, the connection between the grinding head 2 and the grinder main body 1 is removed first, then the front side of the grinder main body 1 is lifted by the lifting mechanism 3, so that the grinding head 2 is separated from the grinder main body 1, then the guide wheel assembly 4 is installed on the grinder main body 1, the grinder main body 1 is quickly moved away, then the grinding head replacement assembly 5 is connected with the grinding head 2, the movement of the grinding head 2 is realized, the quick separation and movement between the grinding head 2 and the grinder main body 1 are realized, the grinding head is replaced conveniently, the replacement efficiency is improved, and if only the grinding disc 15 at the bottom of the grinding head 2 needs to be replaced, the connection between the grinding head 2 and the grinder main body 1 can not be removed, the front side of the grinder main body 1 is lifted by the lifting mechanism 3, the grinding head 2 is lifted by the front side of the grinder main body 1, the bottom of the grinding head 2 is exposed, and the grinding disc 15 is replaced conveniently.

[0042] In the embodiment, in order to realize the detachable connection between the grinding head 2 and the grinder main body 1, the front side of the grinder main body 1 is provided with a connecting bracket 6 for connecting the grinding head 2, the connecting bracket 6 includes two bracket side plates arranged symmetrically left and right, a connecting plate is transversely arranged between the front ends of the two bracket side plates, the rear ends of the two bracket side plates are fixed to the left and right sides of the grinder main body 1 respectively, the grinding head hinge seat 7 is symmetrically arranged on the upper left and right sides of the grinding head 2, and the side part of the connecting bracket 6 is rotatably connected to the same side grinding head hinge seat 7 through the pin shaft 11, that is, the bracket side plate is rotatably connected in the same side grinding head hinge seat 7 through the pin shaft 11, and the detachable connection between the grinding head 2 and the grinder main body 1 is realized by inserting and separating the pin shaft 11.

[0043] In the embodiment, in order to make the grinding head 2 can be adaptive adjustment according to the left and right height difference of the ground, the grinding head hinge seat 7 includes left and right symmetrical vertical hinge plate 8, the hinge plate 8 is provided with shaft sleeve mounting hole 9, the eccentric shaft sleeve 10 is sleeved in the shaft sleeve mounting hole 9, the eccentric shaft sleeve 10 is made of rubber material, the shaft sleeve inner hole of the eccentric shaft sleeve 10 is eccentric with the outer wall, that is, the shaft sleeve inner hole of the eccentric shaft sleeve 10 is eccentric with the shaft sleeve mounting hole 9, when the left and right sides of the ground exist height difference, the grinding head 2 left and right sides exist height difference, at this time, the eccentric shaft sleeve is under the support force of the pin shaft 11 and the ground, adaptive rotation adjustment height, convenient better grinding ground, the two eccentric shaft sleeves 10 are inserted with the pin shaft 11, the side frame body of the connecting support 6 is rotatably connected between the two eccentric shaft sleeves 10 on the same side through the pin shaft 11, that is, the support side plate is rotatably connected between the two eccentric shaft sleeves 10 on the same side through the pin shaft 11, that is, the support side plate is provided with rotating hole matched with the pin shaft 11, of course, the spacing between the two hinge plates is greater than the thickness of the support side plate, so that there is a movable gap between the support side plate and the two hinge plates.

[0044] In the embodiment, since the structural rigidity of the grinding head shell 12 of the grinding head 2 cannot bear the entire internal mechanism of the grinding head, the grinding head shell 12 is only used to prevent dust from splashing during grinding, so the grinding head hinge seat 7 is not fixed on the shell of the grinding head shell 12. Specifically, the grinding head 2 includes a grinding head shell 12, a gear box mounting plate 13 is arranged in the grinding head shell 12, that is, the support structure actually used for installing various grinding components in the grinding head 2 is the gear box mounting plate 13, the grinding head shell 12 is the shell outside the gear box mounting plate 13, a grinding disc 15 driven by a gear box 14 is installed below the gear box mounting plate 13, and a related gear box driving motor is also installed on the gear box mounting plate 13. The grinding head hinge seat 7 further includes a hinge base 16, the hinge base 16 is installed on the gear box mounting plate 13, a hinge connecting block 17 is arranged on the hinge base 16, the hinge plate 8 is arranged on the hinge connecting block 17, a gap 18 is formed in the grinding head shell 12 for the hinge plate 8 to extend out, the hinge plate 8 extends out of the gap 18, and the grinding head 2 and the grinding machine main body 1 are detachably connected. A clamping shoulder 17-1 is arranged on the outer periphery of the upper end of the hinge connecting block 17, and the clamping shoulder 17-1 abuts against the grinding head shell 12 below the outer periphery of the gap 18. In order to facilitate installation, the length and width dimensions of the gap 18 are greater than the area of the two hinge plates 8, so as to avoid the flying of polishing dust from the edge gap of the gap. Therefore, the clamping shoulder 17-1 is arranged on the outer periphery of the upper end of the hinge connecting block 17 to block the gap 18.

[0045] In this embodiment, in order to realize the lifting mechanism can lift the front side of the grinding machine body 1, the lifting mechanism 3 is installed on the connecting plate of the front side of the connecting bracket 6, the lifting mechanism 3 includes a jacking oil cylinder 19, the jacking oil cylinder 19 is vertically installed on the middle part of the connecting plate of the front side of the connecting bracket 6, the telescopic end of the jacking oil cylinder 19 is downward, the grinding head 2 is provided with a clearance hole 20 corresponding to the telescopic end of the jacking oil cylinder 19, that is, the clearance hole 20 is opened on the grinding head shell 12, and the mechanism in the grinding head 2 is provided with a clearance corresponding to the jacking oil cylinder 19. Because the jacking oil cylinder 19 will produce inclination when lifting the connecting bracket 6, the diameter of the clearance hole 20 is greater than the diameter of the jacking oil cylinder 19, and the diameter of the clearance hole 20 matches the activity range of the jacking oil cylinder 19 when lifting the connecting bracket 6, the telescopic end of the jacking oil cylinder 19 is connected with a support base 22 through a universal shaft 21, which is in close contact with the ground through the support base, so as to facilitate the position limitation of the telescopic end of the jacking oil cylinder 19, and the jacking oil cylinder 19 between the connecting plate and the grinding head shell 12 is provided with an organ case, the lower end of the organ case can be fixed on the grinding head shell 12 outside the clearance hole 20 through bolts, completely covering the clearance hole 20, the upper end of the organ case is fixed on the jacking oil cylinder 19, avoiding dust flying from the clearance hole 20, of course, when replacing the grinding head, the connection between the lower end of the organ case and the grinding head shell 12 outside the clearance hole 20 needs to be removed in advance.

[0046] In this embodiment, in order to realize the quick movement of the grinding machine body 1 after removing the grinding head 2, the middle part of the connecting plate of the front side of the connecting bracket 6 is provided with a mounting frame 23, the lifting mechanism 3 is installed on the mounting frame 23, that is, the jacking oil cylinder 19 is installed on the mounting frame 23, the guide wheel assembly 4 includes a front guide wheel assembly 24, the front guide wheel assembly 24 includes a front guide wheel fixed frame 25, the lower end of the front guide wheel fixed frame 25 is rotatably connected with a front guide wheel 26, the upper end of the front guide wheel fixed frame 25 is provided with a front guide wheel mounting seat 27 corresponding to the mounting frame 23, the upper end of the front guide wheel fixed frame 25 is fixed in the front guide wheel mounting seat 27 through a latch 28, the front guide wheel mounting seat 27 is provided with an L-shaped clamping groove 29, and the upper end of the front guide wheel fixed frame 25 is provided with a clamping pin 30 matched with the L-shaped clamping groove 29;

[0047] Specifically, the front guide wheel fixing frame 25 comprises two vertically arranged and left-right symmetrically arranged inclined plates 25-1, the two inclined plates 25-1 are connected by a plurality of connecting columns 25-2, the front guide wheel 26 is installed between the lower ends of the two inclined plates 25-1, the front guide wheel mounting seat 27 comprises two front guide wheel mounting seat plates 27-1 arranged left-right symmetrically, the distance between the two front guide wheel mounting seat plates 27-1 is greater than the distance between the two inclined plates 25-1, L-shaped clamping grooves 29 are formed on the two front guide wheel mounting seat plates 27-1, the vertical part of the L-shaped clamping groove 29 is on the top, the horizontal part is on the bottom, the end of the horizontal part penetrates the front side of the front guide wheel mounting seat plate 27-1, a clamping pin 30 is transversely arranged between the upper ends of the two inclined plates 25-1, the two ends of the clamping pin 30 respectively penetrate the same side inclined plate 25-1 and extend out, and the extending end of the clamping pin 30 is slidably connected to the same side L-shaped clamping groove 29, the L-shaped clamping groove 29 and the clamping pin 30 achieve the rapid preliminary positioning between the front guide wheel fixing frame 25 and the front guide wheel mounting seat 27, then the pin 28 is inserted to fix the front guide wheel fixing frame 25 and the front guide wheel mounting seat 27, of course, the pin hole corresponding to the pin 28 is arranged on the front guide wheel fixing frame 25 and the front guide wheel mounting seat 27, and the height of the front guide wheel fixing frame 25 in the vertical plane is greater than the height of the front guide wheel mounting seat 27 during normal use of the grinder main body 1, so that the grinder main body 1 is removed from the grinding head 2, the front guide wheel assembly 24 will still be lifted to connect the support 6, and the grinder main body 1 and the grinding head 2 are completely separated.

[0048] In the embodiment, after the grinder main body 1 is removed from the grinding head 2, the center of gravity of the grinder main body 1 is at the rear, in order to avoid the grinder main body 1 from falling backward during movement, the guide wheel assembly 4 further comprises a rear guide wheel assembly 31, the rear guide wheel assembly 31 comprises a rear guide wheel fixing frame 32, a rear guide wheel 33 is rotatably connected to the lower end of the rear guide wheel fixing frame 32, a rear guide wheel mounting seat 34 is arranged on the middle part of the rear side of the grinder main body 1 and corresponds to the upper end of the rear guide wheel fixing frame 32, and the upper end of the rear guide wheel fixing frame 32 is fixed in the rear guide wheel mounting seat 34 by the pin 28;

[0049] Specifically, the rear guide wheel fixing frame 32 comprises an inclined support plate 32-1, the lower end of the support plate 32-1 is provided with a horizontal connecting plate 32-2, the rear guide wheel 33 is rotationally connected below the horizontal connecting plate 32-2, the upper end of the support plate 32-1 is provided with a vertical connecting top plate 32-3 which is attached to the rear side of the grinding machine body 1, vertical reinforcing connecting rib plates 32-4 are arranged on the support plate 32-1 and the connecting top plate 32-3, the reinforcing connecting rib plates 32-4 are perpendicular to the support plate 32-1 and the connecting top plate 32-3, the rear guide wheel mounting seat 34 comprises left and right symmetrically arranged rear guide wheel mounting plug-in plates 34-1, the rear guide wheel mounting plug-in plates 34-1 are fixed to the rear side of the grinding machine body 1, the connecting top plate 32-3 is provided with plug-in slots 32-5 corresponding to the rear guide wheel mounting plug-in plates 34-1, the guide wheel mounting plug-in plates pass through the plug-in slots 32-5 and are parallel to the reinforcing connecting rib plates 32-4, the two guide wheel mounting plug-in plates and the reinforcing connecting rib plates 32-4 are fixed by at least two plugs 28, so as to realize the connection of the rear guide wheel assembly 31 and the grinding machine body 1.

[0050] In the embodiment, in order to realize the detachable connection between the grinding head dismounting assembly 5 and the grinding head 2, the grinding head dismounting assembly 5 comprises left and right symmetrically arranged grinding head plug-in supports 35, the grinding head plug-in supports 35 comprise bottom plates 36, the bottom plates 36 are rotationally connected with walking wheels 37, lifting rods 38 are mounted on the middle parts of the bottom plates 36, plug-in plates 39 are arranged on the side parts of the lifting rods 38, plug-in seats 40 are symmetrically arranged on the left and right sides of the grinding head 2, horizontal plug-in sleeve cylinders 41 are arranged on the plug-in seats 40 in front and back correspondence, the directions of the plug-in sleeve cylinders 41 are the same as those of the shaft sleeve mounting holes 9, plug-in pin shafts 42 are arranged on the plug-in plates 39 corresponding to the shaft sleeve mounting holes 9 and the plug-in sleeve cylinders 41, specifically, the lifting rods 38 are existing telescopic rods which can comprise vertical bottom rods, outer sleeve rods are slidably connected to the upper ends of the bottom rods, handles are arranged on the outer sleeve rods, cylinders or oil cylinders for driving the outer sleeve rods to lift are mounted in the bottom rods, the plug-in plates 39 are fixed to the outer parts of the outer sleeve rods and lift along with the lifting of the outer sleeve rods, in order to design reasonably, the plug-in seats 40 comprise plug-in seat bottom plates 40-1, a plurality of plug-in seat connecting columns 40-2 are arranged on the plug-in seat bottom plates 40-1, let-go mounting holes 40-3 are arranged on the grinding head housings 12 corresponding to the plug-in seat connecting columns 40-2, the plug-in seat connecting columns 40-2 are inserted into the grinding head 2 from the let-go mounting holes 40-3 and are screwed on the gear box mounting plates 13, the plug-in seat bottom plates 40-1 abut against the grinding head housings 12 and cover the let-go mounting holes 40-3, so as to avoid dust splashing out, the plug-in sleeve cylinders 41 are mounted on the plug-in seat bottom plates 40-1.

[0051] In use, the two grinding head insertion supports 35 are moved to both sides of the grinding head 2 by sliding through the walking wheels 37, and then the insertion pin shafts 42 are inserted into the same side shaft sleeve mounting holes 9 and the insertion pin sleeves 41, after which the insertion plates 39 are lifted through the lifting levers 38 to lift the grinding head 2 off the ground, thereby achieving movement of the grinding head 2.

[0052] In the embodiment, in order to achieve quick disassembly of the electric wheel at the bottom of the grinder main body 1, electric wheel assemblies 43 are symmetrically installed on the left and right of the lower part of the grinder main body 1, the electric wheel assemblies 43 include wheel frames 44, the wheel frames 44 are rotationally connected with wheels 45 at the lower part, motor mechanisms 46 for driving the wheels 45 to rotate are installed on the side of the wheel frames 44, the motor mechanisms 46 include motors 46-1 installed on one side of the wheel frames 44, the motor shafts of the motors 46-1 and one end of the wheel rotation shaft of the wheels 45 are connected through a plurality of meshing transmission gear sets 46-2 to achieve transmission, the wheels 45 are driven to move through the motors 46-1, positioning pin holes 47 are formed on the top of the wheel frames 44, matching pin holes 48 are arranged on the chassis of the grinder main body 1 corresponding to the positioning pin holes 47, the positioning pin holes 47 and the matching pin holes 48 are connected through positioning pins 49, the wheel frames 44 and the chassis of the grinder main body 1 are connected through at least two bolts, in use, the positioning pin holes 47 and the matching pin holes 48 are connected through the positioning pins 49 to achieve preliminary positioning of the electric wheel assemblies 43, and then the wheel frames 44 and the chassis of the grinder main body 1 are connected through the bolts to achieve quick disassembly of the electric wheel at the bottom of the grinder main body 1.

[0053] A working method of a quick disassembly type grinder with a grinding head:

[0054] When the grinding head 2 needs to be replaced or the grinding head 2 needs to be separated from the grinder main body 1:

[0055] Step 1: the pin shafts 11 in the hinge seats of the left and right grinding heads 2 are pulled out and moved out of the eccentric shaft sleeves 10 to release the connection between the connection supports 6 and the grinding heads 2;

[0056] Step 2: the jacking oil cylinders 19 are started to lift the front side of the connection supports 6, so that the connection supports 6 and the grinding heads 2 are completely separated;

[0057] Step 3: the front guide wheel assemblies 24 are fixed to the front side of the connection supports 6, after which the jacking oil cylinders 19 are reset, the extension end of the jacking oil cylinders 19 is separated from the grinding heads 2 through the displacement holes 20 at the upper end, and the front guide wheels 26 abut against the ground;

[0058] Step 4: the rear guide wheel assemblies 31 are fixed to the rear side of the grinder main body 1;

[0059] Step 5: the grinder main body 1 is removed;

[0060] Step 6: Insert the left and right grinding heads into the corresponding shaft sleeve mounting holes 9 and the plug-in pin sleeve 41 on the plug-in support 35 on the same side, and then lift the plug-in plate 39 through the lifting rod 38 to drive the grinding head 2 to lift off the ground, realizing the mobility of the grinding head 2.

[0061] Any of the technical solutions disclosed in the present application above, if not otherwise stated, if it discloses a numerical range, the disclosed numerical range is a preferred numerical range, any person skilled in the art should understand that the preferred numerical range is only one of the many implementable numerical values with more obvious technical effects or representative values. Because there are too many values, it is impossible to enumerate, so the present application discloses some values to illustrate the technical solutions of the present application, and the above-mentioned enumerated values should not constitute a limitation on the protection scope of the present application.

[0062] If the words "first", "second", etc. are used to limit the parts in this paper, those skilled in the art should know that the use of "first", "second" is only for the convenience of describing the parts and distinguishing them. If there is no further statement, the above words have no special meaning.

[0063] If the present application discloses or involves mutually fixed and connected parts or structural parts, unless otherwise stated, the fixed connection can be understood as: detachable fixed connection (for example, connected by bolts or screws), or as: non-detachable fixed connection (for example, riveting, welding), of course, the mutual fixed connection can also be replaced by an integral structure (for example, manufactured by integral forming process) (except for obvious cases that cannot be used integral forming process).

[0064] In addition, the orientation or position relationship indicated by the above-mentioned any technical solution disclosed in the present application for indicating the position relationship, such as "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. The orientation or position relationship is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present patent, and is not intended to indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the present patent, and the term used to indicate the shape in the above-mentioned any technical solution disclosed in the present application includes shapes similar, similar or close to the shape unless otherwise stated.

[0065] Any of the components provided by the present application can be assembled from multiple individual components, or can be a single component manufactured by integral forming process.

[0066] It should be pointed out finally that the above examples are only used to illustrate the technical solutions of the present application but not to limit it; although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the specific embodiments of the present application can be modified or some technical features can be replaced by equivalent ones; without departing from the spirit of the technical solutions of the present application, which should be covered in the technical solution range claimed by the present application.

Claims

1. A quick-release grinding head grinding machine, comprising a grinding machine body (1), wherein a grinding head (2) is detachably connected to the front side of the grinding machine body (1), characterized in that: A lifting mechanism (3) is installed on the front side of the grinding machine body (1). A guide wheel assembly (4) is detachably connected to the grinding machine body (1). A grinding head replacement assembly (5) is also included. The grinding head replacement assembly (5) is detachably connected to the grinding head (2). The front side of the grinding machine body (1) is provided with a connecting bracket (6) for connecting the grinding head (2). The grinding head (2) is provided with symmetrical grinding head hinge seats (7) on the left and right sides of the upper part. The side frame of the connecting bracket (6) is rotatably connected to the grinding head hinge seat (7) on the same side by a pin (11). The grinding head hinge seat (7) includes vertical hinge plates (8) arranged symmetrically on the left and right. The hinge plate (8) has a bushing mounting hole (9). An eccentric bushing (10) is fitted inside the bushing mounting hole (9). A pin (11) is inserted between the two eccentric bushings (10). The side frame of the connecting bracket (6) is rotatably connected between the two eccentric bushings (10) on the same side through the pin (11). The lifting mechanism (3) is installed on the front side of the connecting bracket (6). The lifting mechanism (3) includes a lifting cylinder (19). The lifting cylinder (19) is vertically installed on the middle of the front side of the connecting bracket (6). The grinding head (2) has a clearance hole (20) corresponding to the telescopic end of the lifting cylinder (19). The telescopic end of the lifting cylinder (19) is connected to a support base (22) through a universal joint (21).

2. The quick-release grinding head grinding machine according to claim 1, characterized in that: The grinding head (2) includes a grinding head housing (12), a gearbox mounting plate (13) is mounted inside the grinding head housing (12), a grinding disc (15) driven by a gearbox (14) is mounted under the gearbox mounting plate (13), the grinding head hinge seat (7) also includes a hinge base (16), the hinge base (16) is mounted on the gearbox mounting plate (13), a hinge connecting block (17) is provided on the hinge base (16), a hinge plate (8) is provided on the hinge connecting block (17), a clearance opening (18) for the hinge plate (8) to extend is provided on the grinding head housing (12), a snap shoulder (17-1) is provided on the outer periphery of the upper end of the hinge connecting block (17), and the snap shoulder (17-1) abuts against the grinding head housing (12) on the outer periphery of the clearance opening (18).

3. The quick-release grinding head grinding machine according to claim 1, characterized in that: A mounting bracket (23) is provided on the middle of the front side of the connecting bracket (6). The lifting mechanism (3) is installed on the mounting bracket (23). The guide wheel assembly (4) includes a front guide wheel assembly (24). The front guide wheel assembly (24) includes a front guide wheel fixing bracket (25). A front guide wheel (26) is rotatably connected to the lower end of the front guide wheel fixing bracket (25). A front guide wheel mounting seat (27) is provided on the mounting bracket (23) corresponding to the upper end of the front guide wheel fixing bracket (25). The upper end of the front guide wheel fixing bracket (25) is fixed in the front guide wheel mounting seat (27) by a pin (28). An L-shaped slot (29) is provided on the front guide wheel mounting seat (27). A locking pin (30) that cooperates with the L-shaped slot (29) is provided on the upper end of the front guide wheel fixing bracket (25).

4. The quick-release grinding head grinding machine according to claim 3, characterized in that: The guide wheel assembly (4) also includes a rear guide wheel assembly (31), which includes a rear guide wheel fixing frame (32). A rear guide wheel (33) is rotatably connected to the lower end of the rear guide wheel fixing frame (32). A rear guide wheel mounting seat (34) is provided on the middle rear side of the grinding machine body (1) corresponding to the upper end of the rear guide wheel fixing frame (32). The upper end of the rear guide wheel fixing frame (32) is fixed in the rear guide wheel mounting seat (34) by a pin (28).

5. The quick-release grinding head grinding machine according to claim 4, characterized in that: The grinding head replacement assembly (5) includes grinding head insertion brackets (35) arranged symmetrically on the left and right. The grinding head insertion brackets (35) include a base plate (36). A traveling wheel (37) is rotatably connected to the base plate (36). A lifting rod (38) is installed on the middle of the base plate (36). An insertion plate (39) is provided on the side of the lifting rod (38). An insertion seat (40) is arranged symmetrically on the grinding head (2). A horizontal pin sleeve (41) is arranged on the insertion seat (40) in front and behind. The orientation of the pin sleeve (41) is the same as that of the bushing mounting hole (9). An insertion pin shaft (42) is provided on the insertion plate (39) corresponding to the bushing mounting hole (9) and the pin sleeve (41).

6. The quick-release grinding head grinding machine according to claim 5, characterized in that: The grinding machine body (1) is symmetrically equipped with electric wheel assemblies (43) on the lower left and right sides. The electric wheel assembly (43) includes a wheel frame (44). A wheel (45) is rotatably connected to the wheel frame (44). A motor mechanism (46) for driving the wheel (45) to rotate is installed on the side of the wheel frame (44). A positioning pin hole (47) is opened on the top of the wheel frame (44). A mating pin hole (48) is provided on the chassis of the grinding machine body (1) corresponding to the positioning pin hole (47). The positioning pin hole (47) and the mating pin hole (48) are connected by a positioning pin (49). The wheel frame (44) and the chassis of the grinding machine body (1) are locked together by at least two bolts.

7. A method for operating a quick-release grinding head mill, employing the quick-release grinding head mill as described in claim 4 or 5, characterized in that: When it is necessary to replace the grinding head (2) or to separate the grinding head (2) from the grinding machine body (1): Step 1: Pull out the pins (11) in the hinge seats of the left and right grinding heads (2) and remove the eccentric bushing (10) to disconnect the connection between the connecting bracket (6) and the grinding head (2); Step 2: Start the lifting cylinder (19). The lifting cylinder (19) drives the front side of the connecting bracket (6) to rise, so that the connecting bracket (6) is completely separated from the grinding head (2). Step 3: Fix the front guide wheel assembly (24) to the front side of the connecting bracket (6), then the lifting cylinder (19) is reset, and the telescopic end of the lifting cylinder (19) is disengaged from the grinding head (2) through the upper end of the relief hole (20), while the front guide wheel (26) abuts against the ground; Step 4: Fix the rear guide wheel assembly (31) to the rear side of the grinding machine body (1); Step 5: Remove the main body of the grinding machine (1); Step 6: Insert the plug pins (42) on the left and right grinding head plug brackets (35) into the corresponding bushing mounting holes (9) and plug sleeves (41) on the same side, and then lift the plug plate (39) by lifting rod (38) to drive the grinding head (2) off the ground and realize the mobility of the grinding head (2).

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