CN108312026A - A kind of full-automatic column sander - Google Patents

Abstract

The invention discloses a kind of full-automatic column sanders, it includes rack, the front of rack is equipped with feed inlet, equipped with the main shaft by main power plant driving rotation in the rack, two main turntables for being oppositely arranged and driving rotation by main shaft are connected on main shaft, it is oppositely arranged equipped with the upright post clamp in multiple upright post clamps of main turntable ring cloth and two main turntables on main turntable, equipped with the thimble being oppositely arranged on the opposite face of two opposite upright post clamps, the column driving device of driving upright post clamp rotation is also associated in rack, equipped with being driven by polishing power plant and ring cloth is polished axis at more of main shaft border in the rack, equipped with polishing roller on polishing axis, polishing roller includes that the roller being sleeved on polishing axis covers and be connected to the upper multiple tracks finishing stripe of roller set, multiple tracks finishing stripe is along roller lantern ring cloth.The present invention can carry out automatically grinding sanding with column, have the advantages that polishing sanding effect is good, efficiency is high, save production cost.

Description

A kind of full-automatic column sander

Technical field

The present invention relates to a kind of full-automatic column sanders.

Background technology

The present pillar of stair or fence upright of top grade on the market mostly use greatly timber and are made.I.e. by log carry out engraving and Machining forms outer surface, and there is the wooden post of groove and decorative pattern to be polished for a plurality of times and sanding after column molding Then processing carries out corresponding preservative treatment and decoration processing again.

Now wooden column is when polishing sanding processing, due to having groove of different shapes and carving thereon, because And use manual polishing, i.e., the groove and carving that operator is formed above-mentioned machining using sand paper carry out polishing sanding, This way wastes a large amount of manpower and materials, and efficiency is low.

Invention content

Engraving and the wooden post machined can be carried out automatically the technical problem to be solved in the present invention is to provide a kind of The full-automatic column sander of sanding processing.

In order to solve the above technical problems, the full-automatic column sander provided includes rack, the front of rack be equipped with into Material mouth is structurally characterized in that：Equipped with the main shaft rotated is driven by main power plant in the rack, opposite set is connected on main shaft Two main turntables of rotation are set and driven by main shaft, multiple upright post clamps along main turntable ring cloth and two masters turn are housed on main turntable Upright post clamp on disk is oppositely arranged, and the thimble being oppositely arranged is housed on the opposite face of two opposite upright post clamps, is gone back in rack It is connected with the column driving device of driving upright post clamp rotation, equipped with being driven by polishing power plant and ring cloth exists in the rack More polishing axis of main shaft border, the rotation direction for axis of polishing and the sense of rotation of the upright post clamp axis on the contrary, which part is polished Axial direction it is consistent with main shaft axial direction, remaining polishing axis the axial direction for being axially perpendicular to main shaft；It is equipped with and beats on polishing axis Grinding roller, roller of polishing include that the roller being sleeved on polishing axis covers and be connected to the upper multiple tracks finishing stripe of roller set, multiple tracks polishing sand Paper slip is along roller lantern ring cloth.

The roller, which is put on, is provided with multiple tracks helicla flute, and the support base of strip is fitted in per pass helicla flute, is connected on support base It is connected to Sand paper for polishing, the over-hang part of Sand paper for polishing is divided the finishing stripe described to formation in a strip shape.

It is connected with support hairbrush on the support base, supports the bristle of hairbrush to stretch out direction consistent with the direction of Sand paper for polishing And bristle attaching is at Sand paper for polishing rear.

Polishing axle bed is connected in the rack, the polishing axis is rotatably connected on polishing axle bed, and polishing axle bed passes through Slipping mechanism is slidably connected in rack and makes the close and separate main shaft of the polishing roller on polishing axis by the sliding for axle bed of polishing.

The main turntable includes determining turntable and turn disk, determines turntable and is rotatably connected in rack, turn disk is sleeved on main shaft It is connected on upper and turn disk and drives turn disk along main axle moving so as to adjust determining the spacing tune of spacing between turntable and turn disk Complete machine structure.

The spacing adjusting mechanism includes the passage holder being rotatablely connected with turn disk, and section is threaded on main shaft, passage It is connected with spacing adjustment motor on holder, elapses and passes through transmission equipped with the nut being screwed onto on the thread segment, nut on holder Chain adjusts the power output shaft be connected by power of motor with spacing, and drive sleeve is housed on the turn disk, is spirally connected in drive sleeve There is screw rod and is detached from the power drive of main shaft when connecting with main shaft power when screw rod is inwardly screwed, screwing outward.

The upright post clamp includes clamp tool and dynamic fixture, and multiple clamps tools and described are connected on one of main turntable Column driving device includes being connected on the main turntable, multiple clamps can be driven to have while rotating and one of clamp tool is made to exist The clamp driving mechanism not rotated in specific region, be connected on another main turntable quantity dynamic fixture corresponding with clamp tool with And it is connected with and dynamic fixture is driven to move axially to realize that clamping is vertical along main shaft in the regional extent of the correspondence specific region The loading and unloading material mechanism of column and release column.

The clamp driving mechanism includes the fixture driving motor being connected in rack, is equipped in rack and drives electricity with fixture The intermediate driving wheel of motor-driven power drive, clamp tool on be equipped with driven wheel, multiple driven wheels and intermediate driving wheel external envelope have transmission Belt and driven wheel rotation is driven by the transmission of driving belt, when main turntable is with main axis, on one of clamp tool Driven wheel can be detached from the transmission of driving belt in the specific region.

The loading and unloading material mechanism includes the support plate being connected on main shaft, and the discharging that arc-shaped shape is connected in support plate is led Rail, the dynamic fixture include the fixture outer sleeve being connected on main turntable, are equipped with along main shaft axial direction side in the fixture outer sleeve To the inner sleeve of sliding, it is connected on the outer wall of inner sleeve and stretches out fixture outer sleeve and can be slid under the driving of discharging guide rail Loading and unloading material part, the thimble are rotatably connected in inner sleeve, and thimble is located at the section in inner sleeve and is equipped with boss, boss and folder Equipped with top spring between tool outer sleeve.

It is connected with cradle in the rack, the material stock truss that stores and can slide downwards for column is housed on cradle, The lower end of material stock truss is equipped with the notch being only fed forward for the column of bottom, and feeding cylinder is housed on the cradle, is sent The material-feeding bracket that the front end of material cylinder piston rod is lived the column of bottom and can be slid before and after cradle equipped with energy support, feeding Equipped with the Support bracket for holding box type column thereon after bottom column is fed forward by material-feeding bracket on bracket.

With the above structure, between the column of sanding to be polished being placed on two opposite upright post clamps, pass through top The effect of needle makes two upright post clamps clamp column, and rotation is driven by two main turntables of main shaft（Revolution）, column driving device Upright post clamp rotation is driven, polishing power plant drives more polishing axis 5 to rotate, to make the finishing stripe pair on polishing roller Column carries out polishing sanding, and polishing sand is carried out by the lateral trench of the polishing roller column of different directions and the groove of longitudinal direction Light.The automatically grinding sanding that column is carried out using this structure, is greatly saved labour production cost, also substantially increases labour Efficiency, to ensure the polishing sanding effect of column.

In conclusion the present invention can carry out automatically grinding sanding with column, the good, efficiency with polishing sanding effect Height saves the advantages of production cost.

Description of the drawings

The present invention will be further described below with reference to the drawings：

Fig. 1 is the structural schematic diagram of the wooden column after the completion of engraving and machining；

Fig. 2 is a kind of structural schematic diagram of preferred embodiment of the present invention；

Fig. 3 is the structural schematic diagram of the line A-A section view along Fig. 2；

Fig. 4 be Fig. 3 in B to structural schematic diagram；

Fig. 5 is the structural schematic diagram of dynamic fixture；

Schematic diagram when Fig. 6 is dynamic fixture loading and unloading material；

Fig. 7 is the structural schematic diagram of discharging guide rail；

Fig. 8 is schematic diagram when clamp has loading and unloading material；

Fig. 9 is the structural schematic diagram of the roller set of polishing roller；

Figure 10 is to install the sectional view after finishing stripe after line C-C section view along Fig. 9；

Figure 11 is the structural schematic diagram of Sand paper for polishing；

Schematic diagram when Figure 12 is clamp tool loading and unloading material in another embodiment.

Specific implementation mode

Refer to the attached drawing 1, the column 100 after engraving and machining have lateral multiple grooves 101, and erect To being also provided with the decorative pattern 102 formed by groove, existing mode is to use the above-mentioned groove of manual polishing and decorative pattern, thus time-consuming take Power.

With reference to figure 2, Fig. 3 and Fig. 4, the present invention provides a kind of preferred embodiment of full-automatic column sander, packets Including rack 1, rack 1 are made of support frame and babinet, and entire sanding process of polishing is located in babinet, and the top of babinet, which is equipped with, removes Dust hood 26 is connected with negative-pressure air fan on dust excluding hood, and negative-pressure air fan is not shown, and occurs in the frosted photoreduction process that can fight each other Dust is excluded.The front of rack 1 is equipped with feed inlet, charging oral area is provided with input and output material pusher, which pushes away It includes the cradle 21 being connected in rack 1 to send device, and the material stock that stores and can slide downwards for column is housed on cradle 21 Truss 22, the lower end of material stock truss 22 are equipped with the notch being only fed forward for the column of bottom, are equipped on the cradle 21 The front end of feeding cylinder 23,23 piston rod of feeding cylinder is lived the column of bottom and can be slid before and after cradle equipped with energy support Material-feeding bracket 24, equipped with holding box type column thereon after bottom column is fed forward by material-feeding bracket on material-feeding bracket 24 The single feeding machine frame inside of column can be carried out polishing sanding by Support bracket 25.

With reference to figure 2, Fig. 3 and Fig. 4, equipped with the main shaft 2 by main power plant driving rotation, the main drive in the rack 1 Dynamic device includes the main motor 8 being connected in rack, and be connected by power has worm screw 9, the main shaft on the power output shaft of main motor 8 Equipped with the worm gear 10 engaged with worm screw on 2, keeps main axis steady by the drive mechanism of above-mentioned worm and wormwheel and there is self-locking Function.It is connected with two main turntables for being oppositely arranged and driving rotation by main shaft on main shaft 2, is equipped with along main turntable ring on main turntable The multiple upright post clamps and the upright post clamp on two main turntables of cloth are oppositely arranged, and four opposite columns are provided in the present embodiment Fixture is also associated with driving column folder equipped with the thimble 4 being oppositely arranged on the opposite face of two opposite upright post clamps in rack 1 The column driving device for having rotation, equipped with being driven by polishing power plant and ring cloth is at more of main shaft border in the rack 1 Polishing axis 5, polishing power plant is the polishing motor being connected in rack, and it is electric can to correspond to every polishing axis one polishing of setting Sprocket wheel chain or the structure of belt belt pulley can be used in machine, driving structure, and in this not go into detail, the rotation side for axis of polishing To with the sense of rotation of upright post clamp on the contrary, which part polish axis 5 axial direction it is consistent with main shaft axial direction, remaining polish axis The axial direction for being axially perpendicular to main shaft the polishing axis being laterally arranged and vertically arranged polishing is respectively set that is, with reference to figure 2 Axis；Equipped with polishing roller 6 on polishing axis 5, to lateral groove and erected respectively with vertical polishing roller by the polishing roller of transverse direction The decorative pattern constituted to groove is accurately polished.

With reference to figure 9, Figure 10 and Figure 11, in this embodiment, polishing roller 6 includes the roller set 60 being sleeved on polishing axis and connection Multiple tracks finishing stripe 61 on roller set, multiple tracks finishing stripe 61 is along roller lantern ring cloth.The structure clamped may be used to realize The connection of above-mentioned finishing stripe, in the present embodiment, the roller, which is put on, is provided with multiple tracks helicla flute 62, per pass helicla flute interpolation The section of support base 63 equipped with strip, helicla flute is in inverted T shaped, the cross sectional shape of support base 63 and the cross sectional shape one of helicla flute Cause, so as to realize above-mentioned inserting and prevent support base from deviating from, be connected with Sand paper for polishing 64 on support base, Sand paper for polishing it is outer Extending portion is divided in a strip shape to form the finishing stripe, illustrates multiple tracks cutting line in Figure 11, cutting line perpendicular to Roller covers direction, and support hairbrush 65 is connected on the support base, and the bristle of support hairbrush 65 stretches out the side in direction and Sand paper for polishing To consistent and bristle attaching at Sand paper for polishing rear, which means, when finishing stripe 61 is covered with roller to be rotated, polishing Sand paper strip contacts column first.When specific equipped, the support base with Sand paper for polishing 64 and support hairbrush is inserted into helicla flute In, it is locked using elastic ring card 66 at the both ends of roller set, the above-mentioned isostructural setting of helicla flute can make finishing stripe 61 It during whipping sanding column, increases effectively contact area and improves sanding effect, support the structure of hairbrush 65 During setting can make polishing sanding, finishing stripe 61 has certain intensity and toughness.

Certainly, between can more root posts being placed on two opposite upright post clamps simultaneously, by driving upright post clamp to rotate And main shaft revolution, it is carried out at the same time the polishing sanding of more root posts, the present invention provides following knot to realize that continous way produces Structure, with reference to shown in figure 2, Fig. 3 and Fig. 8, the upright post clamp includes clamp tool 50 and dynamic fixture 60, wherein the main turntable in left side On to be connected with multiple clamps tool 50 and the column driving device include being connected on the main turntable, multiple clamps tools capable of being driven same When rotate and one of clamp made to have the clamp driving mechanism not rotated in specific region, be connected on the main turntable on right side Quantity has corresponding dynamic fixture and be connected in the regional extent of the corresponding specific region with clamp drives dynamic fixture edge Main shaft axial movement is to realize clamping column and discharge the loading and unloading material mechanism of column.Private clothes can be used in above-mentioned clamp driving mechanism The structure of motor, i.e., each clamp tool all connections take motor there are one private, and by taking the control of motor to private, control private takes motor The structure and principle of action are the prior art, drive multiple clamps to have while rotating and making one of clamp tool in specific region It does not rotate inside, above-mentioned specific region refers to that during loading and unloading material, i.e., column is sent to one pair of which clamp by feeding cylinder Have the region between 50 and dynamic fixture 60, the i.e. areas X in Fig. 8, the above-mentioned structure that motor is taken using private can cause increasing for cost And the complexity of electric control structure.In the present embodiment, it uses such as lower structure, the clamp driving mechanism includes being connected to rack On fixture driving motor 15, in rack equipped with the power-actuated intermediate driving wheel 16 of fixture driving motor, fill on clamp tool There are driven wheel 17, multiple driven wheels and 16 external envelope of intermediate driving wheel to have driving belt 18 and driven by the transmission of driving belt Driven wheel rotates, and when main turntable is with main axis, the driven wheel on one of clamp tool can be detached from the specific region The transmission of driving belt illustrates the Dynamic Graph when left side main turntable revolves round the sun, the wherein clamp of lower right-hand side with reference to figure 8 Have in the areas X will not the power of driven belt 18 transmit, realize loading and unloading material in the area, i.e., the clamping of column and release It puts.

With reference to shown in figure 2, Fig. 6 and Fig. 7, the loading and unloading material mechanism includes the support plate 20 being connected on main shaft 2, support plate The discharging guide rail 19 of arc-shaped shape is connected on 20, the dynamic fixture includes the fixture outer sleeve 601 being connected on main turntable, institute The inner sleeve 602 for being equipped in fixture outer sleeve 601 and being slid along main shaft axial direction is stated, is connected with and stretches on the outer wall of inner sleeve 602 The loading and unloading material part 603 that goes out fixture outer sleeve and can be slid under the driving of discharging guide rail 27, in the present embodiment loading and unloading material part be Idler wheel, the thimble 4 are rotatably connected in inner sleeve, and thimble is located at the section in inner sleeve and is equipped with boss, boss and fixture Equipped with top spring 604 between outer sleeve, under the driving of discharging guide rail, idler wheel drives inner sleeve to drive thimble to slide, and realizes Two opposite the distance between thimbles become larger and become smaller, to discharge and be clamped column.In Fig. 6, the figure of the top is clamping When posture in standing (qigong) column carries out polishing sanding, with the rotation of main turntable, intermediate figure is structure when discharging column, and bottom is again The structure of column is clamped.The matching relationship of idler wheel and discharging guide rail in three positions of above-mentioned Fig. 6 is illustrated in Fig. 7.

In order to improve each position of polishing sanding effect and accurate polishing column, refering to what is shown in Fig. 2, the rack 1 On be connected with polishing axle bed 7, the polishing axis 5 be rotatably connected on polishing axle bed 7 on, polish axle bed 7 slided by slipping mechanism It is connected in rack and makes the close and separate main shaft 2 of the polishing roller on polishing axis 5, above-mentioned polishing axis by the sliding for axle bed of polishing Seat 7 can be obliquely installed, and inclined direction is the direction for stretching to main shaft, and above-mentioned slipping mechanism can be used cylinder and drive polishing axle bed Along the structure of rack sliding, it can also use and strip hole is set on polishing axle bed 7, and be located at the different positions of strip hole by bolt Set to realize the structure of the adjustment of polishing axle bed position；It can also use such as lower structure, axle bed 7 of polishing is slided by guide rail sliding chute Dynamic to be connected in rack, rack is equipped with adjusting screw, and the screw being screwed onto on adjusting screw is rotatably connected on axle bed of polishing, By driving adjusting screw to rotate, to realize the sliding of polishing axle bed, that is, drive the polishing roller on polishing axis 5 close and separate Main shaft 2 makes the finishing stripe on polishing roller more accurately be polished to the groove on column.In addition, part is polished wherein Multiple spaced multiple polishing rollers can be set on axis, and polishing roller is fixed on by fastening bolt on polishing axis, is unclamped tight Fixing bolt can adjust the position of polishing roller, so as to different model and the column with different grooves carries out polishing sand Light, the finishing stripe column that different thicknesses and different meshes can be arranged carry out polishing sanding, that is, enter the vertical of sanding Column is first slightly polished, is finely polished again, to improve polishing sanding effect.

In order to adapt to the column of different length, refering to what is shown in Fig. 2, the main turntable includes determining turntable 30 and turn disk 40, Determine turntable 30 to be rotatably connected in rack 1, turn disk 40, which is sleeved on main shaft 2 and is connected on turn disk, drives turn disk along main Axis moves to determine the spacing adjusting mechanism of spacing between turntable and turn disk.The spacing adjusting mechanism includes and turn The passage holder 11 that disk 30 is rotatablely connected is threaded section on main shaft 2, elapses and is connected with spacing adjustment motor 13 on holder 11, Equipped with the nut being screwed onto on the thread segment on passage holder 11, the power that nut adjusts motor by transmission chain with spacing is defeated Shaft be connected by power is equipped with drive sleeve 14 on the turn disk 30, screw rod is bolted in drive sleeve 14 and when screw rod is inside The power drive of main shaft is detached from when connecting with main shaft power when screwing, screwing outward.

Shown in Figure 11, the action process of above preferred embodiment is as follows：According to presetting, adjusts and determine turntable Spacing between 30 and turn disk 40 adjusts the position of polishing axis, the column of sanding to be polished is put into material stock truss 22, Under the action of self-weight, the column of bottom is located at the bottom of material stock truss 22, passes through the power drive of feeding cylinder 23, feeding The column that 24 support of bracket lives bottom slides forward（It is slid to machine frame inside）, Support bracket 25 holds from bottom number second Above column, in conjunction with shown in Fig. 3 and Fig. 6, the position of feeding is that discharging guide rail drives idler wheel to drive inner sleeve to drive top Needle slides, and realizes that the position that two opposite the distance between thimbles become smaller, distance become smaller while column are clamped, can be by column list Root is sent into machine frame inside and carries out polishing sanding, and the power drive of fixture driving motor 15 makes clamp tool and dynamic fixture rotation, main electricity The power drive of machine 8 makes main turntable revolve round the sun, to make column by the polishing sanding of multiple polishing rollers.When discharging, in right side master The upright post clamp of turntable revolution clamping column drives thimble sliding when running to the position of discharging guide rail, realize two it is opposite Thimble distance becomes larger, and column is fallen naturally, repeats the above process, and the continuous polishing sanding of column may be implemented.

Figure 12 provides the schematic diagram when tool loading and unloading material of the clamp in another embodiment, basic structure and above-mentioned implementation Example is identical, and difference is to be provided with five upright post clamps on main turntable, it can clearly be seen that driving belt 18 can drive from figure So that multiple clamps is had while rotating and one of clamp tool is made not rotated in specific region, in this not go into detail.

The present invention can also have other embodiment, and other technical solutions formed in the record of claims are not Repeated one by one again, the present invention is not limited to the above embodiments, equivalent variations based on the above embodiment of the present invention and Part replacement is all within the scope of the present invention.

Claims (10)

1. a kind of full-automatic column sander, including rack（1）, rack（1）Front be equipped with feed inlet, it is characterized in that：It is described Rack（1）The upper main shaft equipped with by main power plant driving rotation（2）, main shaft（2）On be connected with and be oppositely arranged and by main shaft band Two main turntables of rotation are moved, are pressed from both sides equipped with the column in multiple upright post clamps of main turntable ring cloth and two main turntables on main turntable Tool is oppositely arranged, equipped with the thimble being oppositely arranged on the opposite face of two opposite upright post clamps（4）, rack（1）On be also associated with Drive the column driving device of upright post clamp rotation, the rack（1）It is upper equipped with being driven by polishing power plant and ring cloth is in master More polishing axis of axis border（5）, which part polishing axis（5）Axial direction is with main shaft axial direction consistent, remaining polishing axis It is axially perpendicular to the axial direction of main shaft；Polishing axis（5）It is upper that polishing roller is housed（6）, roller of polishing（6）Including being sleeved on polishing axis Roller set（60）Upper multiple tracks finishing stripe is covered with roller is connected to（61）, multiple tracks finishing stripe（61）Along roller lantern ring cloth.

2. full-automatic column sander according to claim 1, it is characterized in that：The roller, which is put on, is provided with multiple tracks helicla flute （62）, the support base of strip is fitted in per pass helicla flute（63）, Sand paper for polishing is connected on support base（64）, Sand paper for polishing Over-hang part is divided in a strip shape to form the finishing stripe.

3. full-automatic column sander according to claim 2, it is characterized in that：Support hair is connected on the support base Brush, supporting the bristle of hairbrush to stretch out, direction is consistent with the direction of Sand paper for polishing and bristle attaching is at Sand paper for polishing rear.

4. full-automatic column sander according to claim 1, it is characterized in that：The rack（1）On be connected with polishing axis Seat（7）, the polishing axis（5）It is rotatably connected on polishing axle bed（7）On, axle bed of polishing（7）It is slidably connected at by slipping mechanism Make polishing axis in rack and by the sliding for axle bed of polishing（5）On polishing roller close to and far from main shaft（2）.

5. the full-automatic column sander according to any one of claim 1-4, it is characterized in that：The main turntable includes fixed Turntable（30）With turn disk（40）, determine turntable（30）It is rotatably connected on rack（1）On, turn disk（40）It is sleeved on main shaft（2）On And it is connected on turn disk and turn disk is driven to be adjusted so as to adjust the spacing for determining spacing between turntable and turn disk along main axle moving Mechanism.

6. full-automatic column sander according to claim 5, it is characterized in that：The spacing adjusting mechanism includes and turn Disk（30）The passage holder of rotation connection（11）, main shaft（2）On be threaded section, elapse holder（11）On be connected with spacing adjustment Motor（13）, elapse holder（11）Upper that the nut being screwed onto on the thread segment is housed, nut passes through transmission chain and spacing adjusts The power output shaft be connected by power of motor, the turn disk（30）It is upper that drive sleeve is housed（14）, drive sleeve（14）On be spirally connected There is screw rod and is detached from the power drive of main shaft when connecting with main shaft power when screw rod is inwardly screwed, screwing outward.

7. the full-automatic column sander according to any one of claim 1-4, it is characterized in that：The upright post clamp includes Clamp has（50）With dynamic fixture（60）, one of main turntable（3）On be connected with multiple clamps tool（50）And the column driving Device includes being connected on the main turntable, multiple clamps can be driven to have while rotating and make one of clamp tool in specific region The clamp driving mechanism not rotated inside, another main turntable（3）On be connected with quantity dynamic fixture corresponding with clamp tool and company Be connected to driven in the regional extent of the correspondence specific region dynamic fixture along main shaft move axially to realize clamping column and Discharge the loading and unloading material mechanism of column.

8. full-automatic column sander according to claim 7, it is characterized in that：The clamp driving mechanism includes being connected to Fixture driving motor in rack（15）, it is equipped in rack and the power-actuated intermediate driving wheel of fixture driving motor（16）, fixed Driven wheel is housed on fixture（17）, multiple driven wheels and intermediate driving wheel（16）External envelope has driving belt（18）And pass through transmission The transmission of belt drives driven wheel rotation, and when main turntable is with main axis, the driven wheel on one of clamp tool can be described The transmission of driving belt is detached from specific region.

9. full-automatic column sander according to claim 7, it is characterized in that：The loading and unloading material mechanism includes being connected to master Axis（2）On support plate（20）, support plate（20）On be connected with the discharging guide rail of arc-shaped shape（19）, the dynamic fixture includes connecting The fixture outer sleeve being connected on main turntable（601）, the fixture outer sleeve（601）It is interior to be equipped with along the sliding of main shaft axial direction Sleeve（602）, inner sleeve（602）Outer wall on be connected with and stretch out fixture outer sleeve and can be slid under the driving of discharging guide rail Loading and unloading material part（603）, the thimble is rotatably connected in inner sleeve, and thimble is located at the section in inner sleeve and is equipped with boss, convex Equipped with top spring between platform and fixture outer sleeve（604）.

10. full-automatic column sander according to any one of claims 1-5, it is characterized in that：It is connected in the rack There is cradle（21）, cradle（21）The upper material stock truss equipped with for column storage and can slide downwards（22）, material stock truss （22）Lower end be equipped with the notch that is only fed forward for the column of bottom, the cradle（21）It is upper that feeding cylinder is housed （23）, feeding cylinder（23）The front end of piston rod equipped with can support live the column of bottom and what can be slid before and after cradle give Material torr frame（24）, material-feeding bracket（24）It is upper equipped with holding box type column thereon after bottom column is fed forward by material-feeding bracket Support bracket（25）.