CN112476180A

CN112476180A - Furniture abrasive cloth bed for processing

Info

Publication number: CN112476180A
Application number: CN202011335984.0A
Authority: CN
Inventors: 王波
Original assignee: Zhejiang Rongtao Furniture Co ltd
Current assignee: GANZHOU NANKANG DISTRICT HUAZHAN FURNITURE INDUSTRY Co.,Ltd.
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-03-12
Anticipated expiration: 2040-11-25
Also published as: CN112476180B

Abstract

The invention relates to the technical field of furniture processing, and discloses a furniture abrasive cloth bed for processing, which comprises supporting legs, wherein the upper surfaces of the supporting legs are respectively and fixedly connected with a left cabinet and a right cabinet, the left cabinet is positioned on the left side of the right cabinet, the left cabinet and the right cabinet are fixedly connected through a protection plate, the upper surface of the left cabinet is fixedly connected with an L-shaped box, a sanding mechanism is arranged in the L-shaped box, and a pressure rod mechanism is arranged on the surface of a cross rod. This furniture abrasive cloth bed is used in processing can make the operation panel of abrasive cloth bed go up and down through adjustment mechanism to reach the purpose of adjusting the operation panel, can be convenient for material loading and unloading, can improve the treatment effeciency, can make first roller reciprocate through the overspeed device tensioner among the adjustment mechanism simultaneously, thereby be convenient for to the regulation of the rate of tension of abrasive cloth, can prevent the phenomenon of skidding because too pine causes, thereby improve the efficiency of polishing.

Description

Furniture abrasive cloth bed for processing

Technical Field

The invention relates to the technical field of furniture processing, in particular to a furniture abrasive cloth bed for processing.

Background

In the furniture course of working, in order to guarantee surface smoothness, need carry out sand light processing with panel, this just needs to use the emery cloth bed, polishes the polishing to panel surface through pivoted emery cloth, and efficiency is than higher.

At present, current abrasive cloth bed still has some weak points when using, for example the panel size that needs the clearance is all great, and the interval ratio of many backup pads of current abrasive cloth bed and abrasive cloth is nearer, and the space is little, and is also inconvenient when material loading and unloading, greatly reduced treatment effeciency to annular structure's abrasive cloth is connecting the back, and the inconvenient regulation of rate of tension skids easily and influences the slew velocity, and the effect of polishing is unsatisfactory. Accordingly, a furniture sanding bed is provided to solve the above-mentioned problems.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a processing furniture abrasive cloth bed, which solves the problems that the existing abrasive cloth machine cannot adjust an operation table and cannot adjust the tensity of abrasive cloth.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a furniture abrasive cloth bed is used in processing, includes the supporting legs, the upper surface of supporting legs is left cabinet and right cabinet of fixedly connected with respectively, left side cabinet is located the left side of right cabinet, and passes through guard plate fixed connection between left side cabinet and the right cabinet, the last fixed surface of left side cabinet is connected with L shape case, the last fixed surface of right side cabinet is connected with the guard box, the inside of right side cabinet is provided with adjustment mechanism, the right side of L shape case is fixedly connected with diaphragm and horizontal pole respectively, and the horizontal pole is located the below of diaphragm, the right side of diaphragm and the right-hand member of horizontal pole all with the left side fixed connection of guard box, the inside of L shape case is provided with dull polish mechanism, the surface of horizontal pole is provided with depression bar mechanism.

Preferably, the adjusting mechanism comprises an electric push rod, an output end of the electric push rod is fixedly connected with a sliding plate, an upper surface of the sliding plate is fixedly connected with a first motor set, an output end of the first motor set is respectively welded with a first transmission gear and a first bevel gear, the first transmission gear is located below the first bevel gear, a linkage device is arranged on the surface of the first transmission gear, and a tensioning device is meshed with the surface of the first bevel gear.

Preferably, the linkage device is including second drive gear, second drive gear's surface and first drive gear's surface intermeshing, second drive gear's axle center department fixedly connected with first pivot pole, the bottom of first pivot pole runs through the top of left cabinet and is connected with the inside diapire rotation of left cabinet, the fixed surface of first pivot pole is connected with conical gear A, conical gear A's surface is provided with elevating gear.

Preferably, elevating gear is including conical gear B, conical gear B's surface and conical gear A's surface intermeshing, conical gear B's axle center department fixedly connected with second dwang, the right-hand member of second dwang runs through the inside of guard plate and extends to the inside of left cabinet, the surface meshing of second dwang has two slewing gear, two slewing gear's surface meshes respectively has the running tooth board, two the top of running tooth board is provided with operating means, two the surface of running tooth board sliding connection respectively has the sleeve pipe, two sheathed tube bottom respectively with the inside diapire fixed connection of left cabinet and right cabinet.

Preferably, the operating device comprises two fixing blocks and two lower surfaces of the fixing blocks are fixedly connected with the top end of the rotating toothed plate, the surface of each fixing block is fixedly connected with a vertical rod, the vertical rods are fixedly connected through a supporting plate, a sliding groove is formed in the surface of each vertical rod, and the operating plate is slidably connected inside the sliding groove.

Preferably, the supporting plate is a hollow plate, and the vertical rod and the supporting plate are made of metal aluminum.

Preferably, the tensioning device is including second bevel gear, second bevel gear's surface and first bevel gear's surface intermeshing, second bevel gear's inside fixedly connected with third dwang, the both ends of third dwang all are rotated with the inner wall of guard box and are connected, the surface of third dwang is passed through the belt pulley and is connected with the surface transmission of fourth dwang, the both ends of fourth dwang rotate with the inner wall of guard box and are connected, the fixed surface of fourth dwang is connected with the half gear, the surface engagement of half gear has the pinion rack, the last fixed surface of pinion rack is connected with the connecting block, the surface rotation of connecting block is connected with first roller, the front end of first roller passes the front portion of guard box and extends to the outside of guard box.

Preferably, dull polish mechanism is including second motor group, first protection casing and second protection casing, the lower surface of second motor group and the diapire fixed connection of L shape incasement portion, the rear portion of first protection casing and second protection casing respectively with the anterior fixed connection of L shape case and guard box, the output of second motor group pass the rear portion of first protection casing and with the rear end fixed connection of second roller, the surface of second roller is connected with the third roller through the emery cloth transmission, the rear end of third roller is connected with the inner wall rotation of second protection casing, the surface of emery cloth and the surface of first roller contact each other.

Preferably, the depression bar mechanism is including the lantern ring, the inside of the lantern ring and the surperficial sliding connection of horizontal pole, the surface difference fixedly connected with of the lantern ring presses depression bar and quarter butt, press the place ahead that the depression bar is located the quarter butt, press the hammer according to the fixed surface of depression bar and be connected with, the rear end fixedly connected with briquetting of quarter butt, the last fixed surface of briquetting is connected with the L shaped plate, the inside of L shaped plate is rotated and is connected with alternately the expansion plate, the bottom of alternately the expansion plate is rotated and is connected with reset spring, reset spring's top and the top fixed rotation of alternately the expansion plate are connected, reset spring's upper surface passes through the bottom sliding connection of slider and diaphragm.

Compared with the prior art, the invention provides a processing furniture abrasive cloth bed, which has the following beneficial effects:

1. this furniture abrasive cloth bed is used in processing can make the operation panel of abrasive cloth bed go up and down through adjustment mechanism to reach the purpose of adjusting the operation panel, can be convenient for material loading and unloading, can improve the treatment effeciency, can make first roller reciprocate through the overspeed device tensioner among the adjustment mechanism simultaneously, thereby be convenient for to the regulation of the rate of tension of abrasive cloth, can prevent the phenomenon of skidding because too pine causes, thereby improve the efficiency of polishing.

2. This furniture abrasive cloth bed is used in processing can adjust the tightness of abrasive cloth through overspeed device tensioner to can prevent that long-time back abrasive cloth from taking place not hard up, and then the phenomenon that takes place to skid when making to polish influences the efficiency of polishing, reduces work efficiency.

3. This furniture abrasive cloth bed is used in processing enables the operation panel through elevating gear and reciprocates to adjust the interval between operation panel and the abrasive cloth, so that the not material of equidimension can use this abrasive cloth bed simultaneously, thereby reach the treatment effeciency that improves work, increase this abrasive cloth bed's practicality.

4. This furniture abrasive cloth bed is used in processing can make first motor group also can control elevating gear in the control overspeed device tensioner through linkage, reaches the purpose of two devices of a power supply control, has reduced the use quantity of motor group to reduce manufacturing cost, make the benefit maximize.

5. This furniture abrasive cloth bed is used in processing, through the setting of metal aluminium material, the backup pad can make operating means's weight reduce to the elevating gear of being convenient for can go up and down operating means, and then reaches the purpose of accelerating the elevating speed, thereby increases substantially elevating gear's life.

Drawings

FIG. 1 is a schematic view of the overall structure of a sanding bed for furniture according to the present invention;

FIG. 2 is a schematic view of the overall internal structure of a sanding bed for manufacturing furniture according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

FIG. 5 is a schematic view of an operating device in a sanding bed for manufacturing furniture according to the present invention;

FIG. 6 is a schematic structural view of a sanding mechanism in a sanding bed for manufacturing furniture according to the present invention;

fig. 7 is an enlarged schematic view of the structure at C in fig. 2.

In the figure: 1. supporting legs; 2. a left cabinet; 3. a right cabinet; 4. a protection plate; 5. an L-shaped box; 6. a protective box; 7. an adjustment mechanism; 71. an electric push rod; 72. a sliding plate; 73. a first motor group; 74. a first drive gear; 75. a first bevel gear; 8. a transverse plate; 9. a cross bar; 10. a sanding mechanism; 101. a second motor group; 102. a first shield; 103. a second shield; 104. a second roller; 105. abrasive cloth; 106. a third roller; 11. a pressure lever mechanism; 111. a collar; 112. a pressing lever; 113. a short bar; 114. a pressing hammer; 115. briquetting; 116. an L-shaped plate; 117. a cross expansion plate; 118. a return spring; 119. a slider; 12. a linkage device; 121. a second transmission gear; 122. a first rotating lever; 123. a bevel gear A; 13. a tensioning device; 131. a second bevel gear; 132. a third rotating rod; 133. A fourth rotating rod; 134. a half gear; 135. a toothed plate; 136. connecting blocks; 137. a first roller; 14. A lifting device; 141. a bevel gear B; 142. a second rotating lever; 143. a rotating gear; 144. rotating the toothed plate; 145. a sleeve; 15. an operating device; 151. a fixed block; 152. a vertical rod; 153. a support plate; 154. a chute; 155. an operation panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The utility model provides an utensil abrasive cloth bed is used in processing, as shown in fig. 1-5, including supporting legs 1, the upper surface of supporting legs 1 is fixedly connected with left cabinet 2 and right cabinet 3 respectively, left cabinet 2 is located the left side of right cabinet 3, and pass through 4 fixed connection of guard plate between left cabinet 2 and the right cabinet 3, the last fixed surface of left cabinet 2 is connected with L shape case 5, the last fixed surface of right cabinet 3 is connected with guard box 6, the inside of right cabinet 3 is provided with adjustment mechanism 7, the right side of L shape case 5 is fixedly connected with diaphragm 8 and horizontal pole 9 respectively, and horizontal pole 9 is located the below of diaphragm 8, the right side of diaphragm 8 and the right-hand member of horizontal pole 9 all with the left side fixed connection of guard box 6, the inside of L shape case 5 is provided with dull polish mechanism 10, the surface of horizontal pole 9 is provided with depression bar mechanism 11.

In this embodiment, the adjusting mechanism 7 includes an electric push rod 71, an output end of the electric push rod 71 is fixedly connected with a sliding plate 72, an upper surface of the sliding plate 72 is fixedly connected with a first motor set 73, an output end of the first motor set 73 is respectively welded with a first transmission gear 74 and a first bevel gear 75, the first transmission gear 74 is located below the first bevel gear 75, a linkage 12 is arranged on a surface of the first transmission gear 74, and a tensioning device 13 is engaged with a surface of the first bevel gear 75.

The first motor set 73 can move left and right through the electric push rod 71, so that the first motor set 73 can drive the linkage device 12 and the tensioning device 13, the purpose of controlling two devices by one power source is achieved, the production cost is reduced while the use number of the motor sets is reduced, and meanwhile, the lower surface of the sliding plate 72 is provided with rollers to reduce friction between the sliding plate 72 and the inner bottom wall of the protective box 6, and the moving speed of the sliding plate 72 is increased.

Further, the linkage 12 includes a second transmission gear 121, a surface of the second transmission gear 121 is engaged with a surface of the first transmission gear 74, a first rotation rod 122 is fixedly connected to an axis of the second transmission gear 121, a bottom end of the first rotation rod 122 penetrates through a top of the left cabinet 2 and is rotatably connected to a bottom wall inside the left cabinet 2, a bevel gear a123 is fixedly connected to a surface of the first rotation rod 122, and a lifting device 14 is disposed on a surface of the bevel gear a 123.

The first rotating rod 122 can be rotated by the engagement of the second transmission gear 121 and the first transmission gear 74, so that the bevel gear a123 on the surface of the first rotating rod 122 is rotated, so that the lifting device 14 can be rotated, and the linkage 12 replaces the function of a motor set, so that the number of the motor sets can be reduced, and the benefit can be maximized.

Furthermore, the lifting device 14 includes a bevel gear B141, the surface of the bevel gear B141 is meshed with the surface of the bevel gear a123, the axis of the bevel gear B141 is fixedly connected with a second rotating rod 142, the right end of the second rotating rod 142 penetrates through the inside of the protection plate 4 and extends to the inside of the left cabinet 2, the surface of the second rotating rod 142 is meshed with two rotating gears 143, the surfaces of the two rotating gears 143 are respectively meshed with rotating toothed plates 144, the top ends of the two rotating toothed plates 144 are provided with the operating device 15, the surfaces of the two rotating toothed plates 144 are respectively connected with sleeves 145 in a sliding manner, and the bottom ends of the two sleeves 145 are respectively fixedly connected with the bottom walls of the inside of the left cabinet 2 and the right cabinet 3.

Through bevel gear B141's rotation, can make second dwang 142 rotate, thereby make rotation pinion 144 can be driven by the rotating gear 143 on second dwang 142 surface, and then make rotation pinion 144 can realize reciprocating, so that reciprocate operating means 15, thereby can adjust the distance between operating means 15 and the overspeed device tensioner 13, so that the not material of equidimension can use this abrasive cloth bed simultaneously, thereby reach the treatment effeciency that improves work, increase this abrasive cloth bed's practicality.

In addition, operating means 15 is including two fixed blocks 151, and the lower surface of two fixed blocks 151 and the top fixed connection of rotating toothed plate 144, and the fixed surface of fixed block 151 is connected with montant 152, passes through backup pad 153 fixed connection between two montants 152, and spout 154 has been seted up on the surface of montant 152, and the inside sliding connection of spout 154 has operation panel 155.

The supporting plates 153 between the fixing blocks 151 can be lifted by the lifting device 14, and the sliding grooves 154 can facilitate the operation plates 155 to slide on the surfaces of the supporting plates 153, so as to polish different positions of the same object, and increase the working range.

Besides, the supporting plate 153 is a hollow plate, the vertical rod 152 and the supporting plate 153 are made of metal aluminum, and the vertical rod 152 and the supporting plate 153 of the metal aluminum can reduce the overall weight of the operating device 15, so that the lifting speed of the lifting device 14 can be increased, the lifting efficiency of the operating device 15 can be improved, and the service life of the lifting device 14 can be prolonged.

It is worth noting that the tensioning device 13 includes a second bevel gear 131, the surface of the second bevel gear 131 is meshed with the surface of the first bevel gear 75, the inside of the second bevel gear 131 is fixedly connected with a third rotating rod 132, both ends of the third rotating rod 132 are rotatably connected with the inner wall of the protection box 6, the surface of the third rotating rod 132 is in transmission connection with the surface of the fourth rotating rod 133 through a belt pulley, both ends of the fourth rotating rod 133 are rotatably connected with the inner wall of the protection box 6, the surface of the fourth rotating rod 133 is fixedly connected with a half gear 134, the surface of the half gear 134 is meshed with a toothed plate 135, the upper surface of the toothed plate 135 is fixedly connected with a connecting block 136, the surface of the connecting block 136 is rotatably connected with a first roller 137, and the front end of the first roller 137 penetrates through the front portion of the protection box 6 and extends to the outside of.

Through the rotation of second bevel gear 131, can make fourth dwang 133 rotate through the rotation of third dwang 132 to can make half gear 134 drive pinion rack 135, so that reach the regulation of first roller 137 height in the pinion rack 135 upper surface connecting block 136, and then can control the rate of tension of dull polish mechanism 10, thereby increase the efficiency of polishing of dull polish mechanism 10.

Example 2

As shown in fig. 6 to 7, based on embodiment 1, in this embodiment, the sanding mechanism 10 includes a second motor set 101, a first protective cover 102 and a second protective cover 103, a lower surface of the second motor set 101 is fixedly connected to a bottom wall inside the L-shaped box 5, rear portions of the first protective cover 102 and the second protective cover 103 are respectively fixedly connected to front portions of the L-shaped box 5 and the protective box 6, an output end of the second motor set 101 penetrates through a rear portion of the first protective cover 102 and is fixedly connected to a rear end of the second roller 104, a surface of the second roller 104 is in transmission connection with a third roller 106 through an abrasive cloth 105, a rear end of the third roller 106 is rotatably connected to an inner wall of the second protective cover 103, and a surface of the abrasive cloth 105 and a surface of the first roller 137 are in contact with each other.

Drive second roller 104 through second motor group 101, can make the emery cloth 105 on second roller 104 surface drive third roller 106, thereby can be when emery cloth 105 rotates, its surface still can contact with first roller 137, make it form a triangle-shaped, can adjust emery cloth 105's rate of tension through first roller 137, thereby it is not hard up to prevent to use back emery cloth for a long time to take place, and then the phenomenon that takes place to skid when making to polish, influence efficiency of polishing, reduce work efficiency.

The pressure lever mechanism 11 comprises a lantern ring 111, the inside of the lantern ring 111 is connected with the surface of the cross rod 9 in a sliding manner, the surface of the lantern ring 111 is respectively fixedly connected with a pressure lever 112 and a short lever 113, the pressure lever 112 is located in front of the short lever 113, the surface of the pressure lever 112 is fixedly connected with a pressure hammer 114, the rear end of the short lever 113 is fixedly connected with a pressure block 115, the upper surface of the pressure block 115 is fixedly connected with an L-shaped plate 116, the inside of the L-shaped plate 116 is rotatably connected with a cross expansion plate 117, the bottom end of the cross expansion plate 117 is rotatably connected with a return spring 118, the top end of the return spring 118 is fixedly rotatably connected with the top end of the cross expansion plate 117, and the upper surface.

The return spring 118 can keep the pressing rod 112 at an upward angle even when the pressing rod is not used, so that the pressing hammer 114 is prevented from moving downward when the pressing rod 112 is downward, and the pressing hammer 114 moves when the abrasive cloth 105 is operated, thereby delaying the use of workers, reducing the work efficiency, and delaying the progress.

When the abrasive cloth bed for processing furniture is used, a worker does not place materials on the surface of the operation plate 155, the second motor group 101 is started to enable the abrasive cloth bed to work, when the abrasive cloth bed works, the worker holds the pressing rod 112 with a hand, presses the pressing rod 112 downwards, enables the pressing hammer 114 to enable the abrasive cloth 105 to be in contact with the materials, and therefore polishing of the materials is facilitated, when the materials are replaced, the worker releases the pressing rod 112, the pressing rod 112 can be reset through the reset spring 118, an upward angle is achieved, and the pressing hammer 114 is prevented from continuously pressing the abrasive cloth 105.

When a large material is replaced, the first motor set 73 is started to enable the first transmission gear 74 and the first bevel gear 75 at the output end of the first motor set 73 to rotate simultaneously, the first transmission gear 74 rotates to drive the second transmission gear 121, so that the first rotating rod 122 inside the second transmission gear 121 rotates, the first rotating rod 122 rotates to drive the bevel gear A123, the bevel gear A123 is meshed with the bevel gear B141, the rotating gear 143 can rotate through the second rotating rod 142 inside the bevel gear B141, and the rotating gear 143 rotates to enable the rotating gear plate 144 on the surface of the rotating gear 143 to move up and down.

When the rotating toothed plate 144 moves up and down, the operating device 15 fixedly arranged at the top of the rotating toothed plate 144 can also move up and down at the same time, thereby achieving the purpose of adjusting the distance between the abrasive cloth 105 and the operating plate 155, after the use is finished, the first motor set 73 can rotate reversely, thereby enabling the second rotating rod 142 to rotate reversely, enabling the rotating toothed plate 144 to move upwards, and achieving the purpose of adjusting the distance between the abrasive cloth 105 and the operating plate 155 again, meanwhile, when the tension of the abrasive cloth 105 is low, the electric push rod 71 is started to shrink, so that the sliding plate 72 moves towards the right side, the first bevel gear 75 at the output end of the first motor set 73 can be meshed with the second bevel gear 131, and the third rotating rod 132 can rotate through the rotation of the second bevel gear 131.

Simultaneously when third dwang 132 rotates, fourth dwang 133 can be driven simultaneously through the belt pulley, thereby make half gear 134 take place to rotate, because half gear 134 is half tooth, when it rotates, can make pinion rack 135 rebound earlier, make the connecting block 136 at pinion rack 135 top rebound simultaneously, thereby make the first roller 137 on connecting block 136 surface reach the purpose of rebound, after first roller 137 rebound, the rate of tension of emery cloth 105 can increase, and simultaneously, when needing to be changed emery cloth 105, rotate through half gear 134 and can make pinion rack 135 rebound, the rate of tension that can make emery cloth 105 reduces, thereby can be convenient for emery cloth 105 to drop from the surface of second roller 104 and third roller 106.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a furniture abrasive cloth bed is used in processing, includes supporting legs (1), its characterized in that: the upper surface of the supporting foot (1) is respectively fixedly connected with a left cabinet (2) and a right cabinet (3), the left cabinet (2) is positioned at the left side of the right cabinet (3), and the left cabinet (2) and the right cabinet (3) are fixedly connected through a protective plate (4), the upper surface of the left cabinet (2) is fixedly connected with an L-shaped box (5), the upper surface of the right cabinet (3) is fixedly connected with a protective box (6), an adjusting mechanism (7) is arranged inside the right cabinet (3), the right side of the L-shaped box (5) is fixedly connected with a transverse plate (8) and a transverse rod (9) respectively, the cross rod (9) is positioned below the cross plate (8), the right side of the cross plate (8) and the right end of the cross rod (9) are both fixedly connected with the left side of the protective box (6), the polishing mechanism (10) is arranged in the L-shaped box (5), and the pressure lever mechanism (11) is arranged on the surface of the cross rod (9).

2. A furniture sanding bed as defined in claim 1, wherein: the adjusting mechanism (7) comprises an electric push rod (71), an output end of the electric push rod (71) is fixedly connected with a sliding plate (72), an upper surface of the sliding plate (72) is fixedly connected with a first motor set (73), an output end of the first motor set (73) is respectively welded with a first transmission gear (74) and a first bevel gear (75), the first transmission gear (74) is located below the first bevel gear (75), the surface of the first transmission gear (74) is provided with a linkage device (12), and the surface of the first bevel gear (75) is meshed with a tensioning device (13).

3. A furniture sanding bed as defined in claim 2, wherein: linkage (12) is including second drive gear (121), the surface of second drive gear (121) and the surface intermeshing of first drive gear (74), the axle center department fixedly connected with first pivot pole (122) of second drive gear (121), the bottom of first pivot pole (122) runs through the top of left cabinet (2) and is connected with the inside diapire rotation of left cabinet (2), the fixed surface of first pivot pole (122) is connected with conical gear A (123), the surface of conical gear A (123) is provided with elevating gear (14).

4. A furniture sanding bed as defined in claim 3 wherein: the lifting device (14) comprises a bevel gear B (141), the surface of the bevel gear B (141) is meshed with the surface of the bevel gear A (123), a second rotating rod (142) is fixedly connected at the axis of the conical gear B (141), the right end of the second rotating rod (142) penetrates through the inside of the protection plate (4) and extends to the inside of the left cabinet (2), the surface meshing of second dwang (142) has two slewing gear (143), two slewing gear's (143) surface meshing has a slewing pinion rack (144) respectively, two the top of slewing pinion rack (144) is provided with operating means (15), two the surface sliding connection respectively of slewing pinion rack (144) has sleeve pipe (145), two the bottom of sleeve pipe (145) respectively with left cabinet (2) and the inside diapire fixed connection of right cabinet (3).

5. A furniture sanding bed as defined in claim 4, wherein: operating means (15) is including two fixed blocks (151), two the lower surface of fixed block (151) and the top fixed connection who rotates pinion rack (144), the fixed surface of fixed block (151) is connected with montant (152), two through backup pad (153) fixed connection between montant (152), spout (154) have been seted up on the surface of montant (152), the inside sliding connection of spout (154) has operation panel (155).

6. A furniture sanding bed as defined in claim 5, wherein: the supporting plate (153) is a hollow plate, and the vertical rod (152) and the supporting plate (153) are made of metal aluminum.

7. A furniture sanding bed as defined in claim 2, wherein: the tensioning device (13) comprises a second bevel gear (131), the surface of the second bevel gear (131) is meshed with the surface of the first bevel gear (75), the inside fixedly connected with third rotating rod (132) of the second bevel gear (131), the two ends of the third rotating rod (132) are rotatably connected with the inner wall of the protection box (6), the surface of the third rotating rod (132) is connected with the surface transmission of a fourth rotating rod (133) through a belt pulley, the two ends of the fourth rotating rod (133) are rotatably connected with the inner wall of the protection box (6), the surface fixedly connected with half gear (134) of the fourth rotating rod (133), the surface of the half gear (134) is meshed with a toothed plate (135), the upper surface fixedly connected with a connecting block (136) of the toothed plate (135), the surface of the connecting block (136) is rotatably connected with a first roller (137), the front end of the first roller (137) passes through the front part of the protective box (6) and extends to the outside of the protective box (6).

8. A furniture sanding bed as defined in claim 7 wherein: sanding mechanism (10) are including second motor group (101), first protection casing (102) and second protection casing (103), the lower surface of second motor group (101) and the inside diapire fixed connection of L shape case (5), the rear portion of first protection casing (102) and second protection casing (103) respectively with the anterior fixed connection of L shape case (5) and guard box (6), the output of second motor group (101) passes the rear portion of first protection casing (102) and with the rear end fixed connection of second roller (104), the surface of second roller (104) is connected with third roller (106) through emery cloth (105) transmission, the rear end of third roller (106) rotates with the inner wall of second protection casing (103) to be connected, the surface of emery cloth (105) and the surface of first roller (137) contact each other.

9. A furniture sanding bed as defined in claim 1, wherein: the pressure lever mechanism (11) comprises a sleeve ring (111), the inner part of the sleeve ring (111) is connected with the surface of the cross rod (9) in a sliding way, the surface of the lantern ring (111) is respectively fixedly connected with a pressing rod (112) and a short rod (113), the pressing rod (112) is positioned in front of the short rod (113), the surface of the pressing rod (112) is fixedly connected with a pressing hammer (114), the rear end of the short rod (113) is fixedly connected with a pressing block (115), the upper surface of the pressing block (115) is fixedly connected with an L-shaped plate (116), the interior of the L-shaped plate (116) is rotatably connected with a cross expansion plate (117), the bottom end of the cross expansion plate (117) is rotatably connected with a return spring (118), the top end of the return spring (118) is fixedly and rotatably connected with the top end of the cross expansion plate (117), the upper surface of the return spring (118) is connected with the bottom of the transverse plate (8) in a sliding mode through a sliding block (119).