A machine for polishing a wooden profile

Abstract

The application discloses a solid wood strip polishing machine, which comprises a lower machine frame, an upper machine cover and a negative pressure collecting box, a feeding rack is connected to the top surface of the lower machine frame adjacent to an opening, a transmission shaft is arranged in a reserved groove at the lower part of the two ends of an inspection plate frame, a power displacement mechanism is arranged at the two ends of the transmission shaft, an adjusting mechanism is arranged between the power mechanism and the reserved groove, a plurality of polishing wheels are arranged on the surface of the transmission shaft at equal intervals, a power lifting mechanism is arranged between the end of a rotating shaft and the lower machine frame, a soft plate is arranged on the surface of a conveying belt assembly, a clamping plate is movably arranged on the front and rear positions of a bottom plate, a notch is arranged at one end of the clamping plate adjacent to the feeding rack, and a polishing disc is arranged on the surface of the left and right side walls of the inner cavity of the lower machine frame.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wood processing, in particular to a polishing machine for solid wood strips. BACKGROUND

[0002] Solid wood strips, i.e. wooden decorative strips, are often used for decoration in actual home decoration in order to make furniture and indoor decoration more integrated. The effect of this method is not only to improve the overall appearance of the house, but also to protect the wall, especially the door pocket. In order to prevent the door pocket from falling off, solid wood strips are used for reinforcement.

[0003] The existing solid wood strips are generally made of water willow wood, curved wood and other raw materials. After actual processing, they need to be polished. The existing solid wood strip polishing equipment has a plurality of polishing wheels and conveying wheels arranged on a production line. The actual length of the entire production line is large, and the factory space occupied is large. Because the production line is long, the feeding station and the discharging station are far apart, and multiple people are needed to operate. In addition, because the existing solid wood strip polishing equipment is polished from top to bottom, it cannot polish the small area end part of the solid wood strip. After subsequent polishing is completed, manual tools are needed to polish the end part, thereby increasing the actual processing steps. SUMMARY

[0004] The purpose of the present application is to provide a solid wood strip polishing machine to solve the problems raised in the background art.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a solid wood strip polishing machine, comprising a lower rack, an upper cover mounted on the top end of the lower rack, and a negative pressure collection box at the bottom of the lower rack. A numerical control screen is installed at the surface edge of the upper cover. An opening is provided on one side of the upper cover, and a feeding rack is connected to the top surface of the lower rack adjacent to the opening. At least two groups of reserved slots are provided on the top of the upper cover. The reserved slots are arranged in front and back of the upper cover, and the side view of the reserved slots is in the form of a door frame. A maintenance plate rack is detachably installed on the top of the reserved slots. The maintenance plate rack is in the form of an inverted U-shaped structure. A transmission shaft is installed in the reserved slots at both ends of the maintenance plate rack. The transmission shaft acts horizontally in the upper cover. A power displacement mechanism is installed at both ends of the transmission shaft. An adjustment mechanism is installed between the power mechanism and the reserved slots. A plurality of polishing wheels are arranged at equal intervals on the surface of the transmission shaft.

[0006] The lower machine frame below the upper machine cover is internally provided with at least two groups of rotating shafts, and the power lifting mechanism is installed between the end of the rotating shaft and the lower machine frame, the conveying belt assembly is installed between the rotating shafts, the surface of the conveying belt assembly is provided with the soft plate, and a plurality of groups of bottom plates are transversely installed on the soft plate from left to right, the front and rear positions of the bottom plate are movably provided with the clamping plate, that is, a plurality of groups of bottom plates need to be matched with double clamping plates for use, and the two clamping plates can clamp the two side surfaces of a single solid wood line respectively to realize the effect of left and right clamping and limiting.

[0007] The end of the clamping plate near the feeding rack is provided with the notched plate, and the notched plate is an outwardly extending inclined plate component. Since there are two clamping plates for a single bottom plate, there are two notched plates, and the two notched plates form a horn-shaped opening structure, the opening faces the feeding rack, and the left and right side wall surfaces of the inner cavity of the lower machine frame are provided with the polishing disc.

[0008] Preferably, the power displacement mechanism comprises a clamping plate, a side plate, a displacement assembly and a second servo motor, two clamping plates are respectively installed in the reserved slot below the two ends of the maintenance plate frame, the two side surfaces of the clamping plate are provided with the side plate, the surface of any one clamping plate is provided with the second servo motor, the output shaft of the second servo motor is connected with the transmission shaft through the clamping plate, and the end of the transmission shaft is provided with the displacement assembly.

[0009] Preferably, the displacement assembly comprises a displacement cylinder, a cross shaft sleeve and a cross shaft, the cross shaft sleeve is installed at the end of the output shaft of the second servo motor, one end of the transmission shaft is provided with the cross shaft, the cross shaft is used in cooperation with the cross shaft sleeve, the displacement cylinder is installed on the surface of the other clamping plate, and the output end of the displacement cylinder is connected with the other end of the transmission shaft through the clamping plate.

[0010] Preferably, the adjusting mechanism comprises an adjusting piece and a lifting stud, the lifting stud is fixedly installed at the bottom end of the clamping plate, the surface of the lifting stud is threadedly provided with the adjusting piece, and the bottom of the adjusting piece is connected with the surface bearing of the upper machine cover.

[0011] Preferably, the bottom surface of the negative pressure collecting box is provided with a through groove, and a filter screen box is detachably installed in the through groove, the filter screen box extends into the negative pressure collecting box, a filter screen is installed in the negative pressure collecting box above the filter screen box, and a vacuum component is installed at the bottom end of the negative pressure collecting box.

[0012] Preferably, the circumferential surface of the polishing wheel is provided with a wheel groove, and the inside of the wheel groove is uniformly provided with elastic pieces, and the surface of the elastic pieces is jointly provided with a flexible grinding sleeve.

[0013] Preferably, the power lifting mechanism comprises lifting grooves, telescopic supporting rods, sliding seats, a first servo motor and a support, the lower frame front and rear surfaces adjacent to the two ends of the rotating shaft are provided with lifting grooves, the lifting grooves are arranged in pairs to form a group, and the single groups of lifting grooves are arranged in parallel, the two ends of the rotating shaft extend out of the single groups of lifting grooves, respectively, one end of the rotating shaft is provided with the first servo motor, the bottom end of the first servo motor is provided with the support, the other end of the rotating shaft is provided with the sliding seat, and the inner cavities of the lifting grooves are provided with the telescopic supporting rods.

[0014] Preferably, guide grooves are arranged on the bottom surface of the clamping plate member in a downward and upward manner, the guide groove inner walls are connected with the clamping plate member bottom through sliding block limiting, the guide groove inner side walls towards the clamping plate member center position are provided with return springs, and one end of the return spring is connected with the clamping plate member sliding block.

[0015] Preferably, the clamping plate member is internally hollow, the internal position of the clamping plate member is provided with an inner baffle, the outer side surface of the clamping plate member is provided with a positioning bolt through a screw hole, and the positioning bolt is in contact with the inner baffle surface through the screw hole.

[0016] Preferably, the bottom of the bottom plate is provided with an assembly stud, the surface of the soft plate member is provided with a screw hole matched with the assembly stud, and the top of the maintenance plate frame is provided with a handle.

[0017] Compared with the prior art, the wood line polishing machine has the following beneficial effects:

[0018] 1、The solid wood line polishing machine can position the solid wood line to be polished left and right, move left and right, realize the relative movement between the upper surface of the solid wood line and the upper polishing wheel, complete the polishing effect, polish the two ends of the solid wood line during the left and right movement, realize repeated polishing, and is different from the production line type polishing.

[0019] 2、The solid wood line polishing machine, through the maintenance plate frame, the upper movement stroke range of the clamping plate can be limited, after the overall disassembly, the upper part of the reserved groove is exposed outside, the internal of the upper machine cover is convenient to replace the flexible grinding sleeve, disassemble the transmission shaft and other operations, and the wheel groove is arranged on the shaft of the polishing wheel, which is actually used for storing and installing the elastic element, in the polishing process of some non-planar solid wood lines, especially the curved surface of the solid wood line with upward convex surface, the elastic element is deformed under pressure, the flexible grinding sleeve is deformed and meets the curved surface polishing requirement of the solid wood line, the actual effect of polishing along the curved surface is realized, and the effect of polishing non-planar surface is achieved.

[0020] 3、The solid wood line polishing machine, through the cross shaft sleeve, the cross shaft sleeve is sleeved with the cross shaft, can be synchronously stressed and rotated under the action of the second servo motor, can be stressed and relatively moved under the action of the displacement cylinder, the actual positions of the polishing wheels are changed, the relative positions of the polishing wheels and the lower solid wood line are adjusted, the polishing contact surface can be changed back and forth, the area that has not been polished is avoided, the polishing quality is improved, in the actual polishing process, the adjusting part is similar to a surface provided with a threaded screw sleeve, the adjusting part is provided with a handle, the adjusting part can be manually rotated, the lifting screw is driven to move up and down by the meshing transmission and the reaction force of the thread, the actual height of the clamping plate and the transmission shaft and the polishing wheel is changed, and then the position relationship between the polishing wheel and the lower solid wood line to be polished is changed, and the feeding amount of polishing is manually controlled.

[0021] 4、The solid wood line polishing machine, through the horizontal arrangement of the bottom plate, the two small area end portions of the entire solid wood line to be polished are arranged left and right under the clamping of the clamping part, the two small area end portions are contacted with the two groups of polishing discs in the left and right directions in the left and right movement of the entire solid wood line, the end portion synchronous polishing effect is realized, in the overall clamping process, the two clamping parts on the single bottom plate can clamp a single solid wood line under the action of the elastic force of the reset spring, the clamping part can move left and right, different size and width boards are convenient to process, and the inner baffle can move up and down, the actual size of the clamping part is indirectly increased, and some semi-finished special solid wood lines such as L-shaped or thick solid wood lines are fixed and clamped. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a front view structural schematic diagram of the application;

[0023] Figure 2 It is a front view structural schematic diagram of the application;

[0024] Figure 3 It is a front view structural schematic diagram of the application;

[0025] Figure 4 For the application Figure 1 A local enlarged view at A in the application;

[0026] Figure 5 For the application, the schematic view of the transmission shaft is shown in the top view structure;

[0027] Figure 6 For the application, the schematic view of the polishing wheel is shown in the side view structure;

[0028] Figure 7 For the application, the schematic view of the bottom plate is shown in the front view structure.

[0029] In the figure: 1, feeding rack; 2, lifting groove; 3, telescopic support; 4, numerical control screen; 5, upper machine cover; 6, maintenance plate rack; 7, sliding seat; 8, lower machine frame; 9, filter screen box; 10, vacuum component; 11, negative pressure collection box; 12, first servo motor; 13, support; 14, guide groove; 15, filter screen; 16, reserved groove; 17, polishing disc; 18, soft plate; 19, clamping plate; 20, conveying belt assembly; 21, bottom plate; 22, notch; 23, second servo motor; 24, displacement cylinder; 25, handle; 26, side plate; 27, adjusting piece; 28, lifting stud; 29, transmission shaft; 30, cross shaft sleeve; 31, polishing wheel; 32, cross shaft; 33, elastic piece; 34, flexible grinding sleeve; 35, wheel groove; 36, inner baffle; 37, clamping plate; 38, positioning bolt; 39, return spring; 40, assembly stud. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0031] As Figures 1 to 7As shown, the wood strip polishing machine comprises a lower frame 8, an upper cover 5 mounted on the top end of the lower frame 8, and a negative pressure collection box 11 at the bottom of the lower frame 8. The negative pressure collection box 11 can collect wood chips and other materials during the polishing process by means of negative pressure suction. The bottom of the entire lower frame 8 is supported by legs. A numerical control screen 4 is mounted on the surface edge of the upper cover 5, and a control circuit is provided inside. The upper cover 5 is provided with an opening on one side, which is a one-way opening. The opening serves as a channel for the wood strip to enter or exit the interior of the upper cover 5, and is used to complete the feeding and discharging operation. The top surface of the lower frame 8 adjacent to the opening is connected and mounted with a feeding rack 1. Due to the connection relationship, the top end of the feeding rack 1 is flush with the top end of the lower frame 8. During the entire feeding process, the worker can place the front part of the relatively long wood strip on the feeding rack 1. The top of the upper cover 5 is provided with at least two groups of reserved slots 16. The reserved slots 16 are arranged front and back through the upper cover 5, i.e. at least two groups are distributed on the left and right sides of the upper cover 5, and each group is provided with two reserved slots 16. The two reserved slots 16 are arranged in front and back alignment, and the side view of the reserved slot 16 is in the form of a door frame structure, so that a continuous opening slot is provided on the top and front and back surfaces of the upper cover 5. The top of the reserved slot 16 is detachably mounted with an inspection plate rack 6, which is in the form of an inverted U-shaped structure and has two downward extending end portions, which can seal the top area of the entire reserved slot 16. The detachable mounting can be connected by bolts, nuts, etc. The inside of the reserved slot 16 below the two ends of the inspection plate rack 6 is provided with a transmission shaft 29, which is arranged in front and back extension. The transmission shaft 29 needs to be detachable for convenient replacement or maintenance. The transmission shaft 29 acts horizontally in the interior of the upper cover 5. The two ends of the transmission shaft 29 are provided with a power displacement mechanism to drive the transmission shaft 29 to rotate and move in front and back directions. An adjusting mechanism is installed between the power mechanism and the reserved slot 16 to drive the entire transmission shaft 29 to change in height, thereby changing the actual feed amount of polishing. A plurality of polishing wheels 31 are arranged at equal intervals on the surface of the transmission shaft 29. The size and thickness of the polishing wheels 31 need to match the width of the general wood strip. Generally, the size and thickness of the polishing wheels 31 need to be less than or approximately equal to the width of the wood strip.The lower machine frame 8 below the upper machine cover 5 is internally provided with at least two groups of rotating shafts, and the power lifting mechanism is installed between the end of the rotating shaft and the lower machine frame 8, which provides power source for the rotating shaft and drives the rotating shaft to move up and down, which is beneficial to the feeding operation, and the conveying belt assembly 20 is installed between the rotating shafts, which is a conveying component using existing belt wheel and conveying belt, and is arranged in front and back two groups, and at least two groups of left and right rotating shafts are required to support and drive the operation, the surface of the conveying belt assembly 20 is provided with a soft plate 18, which can connect the two groups of conveying belt assemblies 20 in front and back directions and has a certain upward supporting effect, and a plurality of groups of bottom plates 21 are transversely installed on the soft plate 18 from left to right, the bottom plates 21 are horizontally arranged, and the clamping plates 37 are movably installed on the front and back of the bottom plates 21, that is, a plurality of groups of bottom plates 21 need to be matched with double clamping plates 37 for use, and the two clamping plates 37 can clamp the two sides of a single wooden strip respectively in actual use, so as to realize the effect of left and right clamping and limiting; the one end of the clamping plate 37 adjacent to the feeding rack 1 is provided with a notched piece 22, which is an outwardly extending inclined plate component, since there are two clamping plates 37 for each bottom plate 21, there are two notched pieces 22, and the two notched pieces 22 form a horn-shaped opening structure, which is wide on the left and narrow on the right, and the opening is directed to the feeding rack 1, in actual use, when the wooden strip on the feeding rack 1 moves forward and is guided and moved by the two notched pieces 22, it can be inserted between the two clamping plates 37, which is beneficial to the subsequent clamping operation, and the left and right side walls of the inner cavity of the lower machine frame 8 are provided with polishing discs 17, which are used by combining sanding sheets with motors, the motor is inside the lower machine frame 8, and the polishing disc 17 can correspond to the two small area ends of the wooden strip on the bottom plate 21, so as to directly polish the ends when the wooden strip moves left and right, and complete the polishing effect of three surfaces at the same time.

[0032] Specifically, the power displacement mechanism includes a clamping plate 19, a side plate 26, a displacement assembly and a second servo motor 23, two clamping plates 19 are respectively installed in the reserved slot 16 below the two ends of the maintenance plate frame 6, the actual surface is protruded from the reserved slot 16, and is limited in left and right directions by the reserved slot 16, and can move up and down along the reserved slot 16 under stress, the two side surfaces of the clamping plate 19 are provided with a side plate 26, which acts on the outside surface of the reserved slot 16, and can form a limiting effect of the clamping plate 19 to the inside, the surface of any one clamping plate 19 is provided with a second servo motor 23, the output shaft of the second servo motor 23 is connected with a transmission shaft 29 through the clamping plate 19, the output shaft needs to pass through the clamping plate 19 for use, and then the second servo motor 23 is used as the power source for the rotation of the transmission shaft 29, which needs to be electrically controlled by the numerical control screen 4, and the end of the transmission shaft 29 is provided with a displacement assembly, which realizes the forward and backward movement of the transmission shaft 29 and the polishing wheel 31 thereon.

[0033] Further, the displacement assembly comprises a displacement cylinder 24, a cross shaft sleeve 30 and a cross shaft 32. The cross shaft sleeve 30 is mounted at the output shaft end of the second servo motor 23 and is internally provided with an open cross groove. The cross shaft 32 is mounted at one end of the transmission shaft 29 and is used in cooperation with the cross shaft sleeve 30. The cross shaft 32 can be directly inserted into the cross groove inside the cross shaft sleeve 30 to form a limiting fit effect. The cross shaft 32 and the cross shaft sleeve 30 can move horizontally relative to each other without affecting the rotating motion effect. The displacement cylinder 24 is mounted on the surface of the other clamping plate 19. The output end of the displacement cylinder 24 is connected to the other end of the transmission shaft 29 through the clamping plate 19. The displacement cylinder 24 is a conventional cylinder assembly with telescopic function. The output end of the telescopic rod of the displacement cylinder 24 is connected to the transmission shaft 29 through a bearing. The transmission shaft 29 can be driven to move horizontally while the rotating motion of the transmission shaft 29 does not affect the displacement cylinder 24.

[0034] Further, the adjustment mechanism comprises an adjustment member 27 and a lifting stud 28. The lifting stud 28 is fixedly installed at the bottom end of the clamping plate 19. The surface of the lifting stud 28 is threadedly installed with the adjustment member 27. The bottom of the adjustment member 27 is bearing-connected to the surface of the upper cover 5. The adjustment member 27 is a combined component. During actual polishing, the adjustment member 27 and the lifting stud 28 are similar to a stud sleeve provided with a threaded surface and a housing. The housing is provided with a conical tooth-like adjustment member 27. The adjustment member 27 is provided with a handle. The adjustment member 27 can be manually rotated. Since the lifting stud 28 is fixedly installed at the bottom of the clamping plate 19, the threaded reaction inside the adjustment member 27 can drive the lifting stud 28 to move up and down. The actual height of the clamping plate 19, the transmission shaft 29 and the polishing wheel 31 is changed. The position relationship between the polishing wheel 31 and the wooden lines below to be polished is changed. The feeding amount of polishing is manually controlled.

[0035] Further, the bottom surface of the negative pressure collecting box 11 is provided with a through groove, and the inside of the through groove is detachably installed with a filter screen box 9, the filter screen box 9 extends into the inside of the negative pressure collecting box 11, similar to a drawer, which can extend into the inside of the negative pressure collecting box 11 for use, and a gap between the through groove and the filter screen box 9 can be provided with a sealing strip, and the inside of the negative pressure collecting box 11 above the filter screen box 9 is installed with a filter screen 15, which is actually located at the middle position of the upper and lower parts of the conveying belt assembly 20 during actual use, and can support the upper conveying belt assembly 20, thereby supporting the bottom plate 21 and the like, avoiding the adverse phenomenon that the wooden strip is pressed downward during polishing, and filtering the generated wood chips during polishing, which are collected into the inside of the filter screen box 9, facilitating subsequent unified treatment, and the bottom end of the negative pressure collecting box 11 is installed with a vacuum component 10, which can be selected as a negative pressure suction assembly for use, and also needs to be configured with a corresponding filter dustproof assembly, similar to a dust collector structure, which can provide the negative pressure collecting box 11 with actual negative pressure effect, facilitating the downward movement of the wood chips under the suction force, reducing dust pollution of the surrounding environment.

[0036] Further, the circumferential surface of the polishing wheel 31 is provided with a wheel groove 35, the cross-sectional structure of the wheel groove 35 is isosceles trapezoidal, which is arranged around the circumferential surface of the polishing wheel 31, the inside of the wheel groove 35 is uniformly installed with an elastic member 33, the elastic member 33 is actually a small spring assembly or some other elastic assembly that can produce elastic support and easily deform under stress, and the surface of the elastic member 33 is jointly installed with a flexible grinding sleeve 34, the flexible grinding sleeve 34 is actually a high-quality sandpaper structure for polishing, which is bound to the outside of the wheel groove 35 and supported by the elastic member 33, because the elastic member 33 deforms under stress, in order to ensure that the elastic member 33 drives the flexible grinding sleeve 34 to deform at the same time, the surface of the flexible grinding sleeve 34 can be coated with polishing metal particles to adapt to the elastic deformation effect, or the side of the flexible grinding sleeve 34 can be installed and fixed by means of a spring or other elastic deformation structure, when polishing the wooden strip in a planar form, the elastic member 33 only slightly deforms, and when polishing the surface of the wooden strip with a non-planar surface, such as the middle part of the wooden strip provided with a convex curved surface decoration structure, the elastic member 33 in the middle of the wheel groove 35 deforms under pressure, causing the flexible grinding sleeve 34 to deform and polish the convex curved surface.

[0037] Further, the power lifting mechanism comprises lifting grooves 2, telescopic supporting rods 3, sliding seats 7, first servo motors 12 and supports 13, the front and rear surfaces of the lower frame 8 adjacent to both ends of the rotating shaft are provided with lifting grooves 2, two lifting grooves 2 form a group, and the single group of lifting grooves 2 are arranged in parallel, one end of the rotating shaft extends out of the single group of lifting grooves 2, that is, there are as many groups of lifting grooves 2 as there are rotating shafts, one end of the rotating shaft is provided with a first servo motor 12, the first servo motor 12 itself provides the power required for the movement of the conveyor belt assembly 20, the bottom end of the first servo motor 12 is provided with a support 13, the support 13 supports the entire first servo motor 12, and the support 13 is movably and limitingly arranged in the lifting groove 2 below, the other end of the rotating shaft is provided with a sliding seat 7, the sliding seat 7 is connected with the rotating shaft bearing, and is limitingly and movably connected with the lifting groove 2, which is similar to a sliding block, the inner cavity of the lifting groove 2 is provided with a telescopic supporting rod 3, the telescopic supporting rod 3 is an electric push rod, which is controlled by electricity and can control the specific stroke of the up-down telescopic movement by means of a stroke control switch, the output rod top of the telescopic supporting rod 3 is connected with the support 13 or the sliding seat 7 above, thereby pushing the support 13, the sliding seat 7 and even the rotating shaft connected therewith to move up and down, because there are two groups of lifting grooves 2, there are four telescopic supporting rods 3, the four telescopic supporting rods 3 need to be of the same type and be controlled by a single controller, thereby performing synchronous telescopic movement and driving the conveyor belt assembly 20 to move up and down, meeting the actual feeding and discharging work requirements of the wooden strips.

[0038] Further, the bottom plate 21 is provided with guide grooves 14 on the upper and lower surfaces of the clamping plate 37, because there are two clamping plates 37 in a single bottom plate 21, there are two guide grooves 14, the inner wall of the guide groove 14 is limitingly connected with the bottom of the clamping plate 37 through a sliding block, and can move left and right relative to each other under the force of the clamping plate 37, the inner side wall of the guide groove 14 towards the center of the clamping plate 37 is provided with a return spring 39, that is, there are two opposite return springs 39, one end of the return spring 39 is connected with the sliding block of the clamping plate 37, the return spring 39 acts on the clamping plate 37, and the elastic force of the return spring 39 is towards the inner side of the guide groove 14, so that the two clamping plates 37 are relatively close to each other and elastically clamp the single wooden strip in the absence of external force.

[0039] Further, the inside of the clamping plate 37 is hollow, and an opening is arranged on the top, so that the inside constitutes an open cavity, and the inside of the clamping plate 37 is limitedly installed with an inner baffle 36, which can be forced to move up and down along the inner cavity of the clamping plate 37. It should be noted that the wall thickness of the clamping plate 37 on the inner side of the inner baffle 36 is relatively thin, the outer surface of the clamping plate 37 is installed with a positioning bolt 38 through a threaded hole, and the positioning bolt 38 is in contact with the surface of the inner baffle 36 through the threaded hole. When the positioning bolt 38 is rotated, it can move in and out relative to the outer side of the clamping plate 37, and after the up-down height adjustment of the inner baffle 36 is completed, the inner baffle 36 can be tightened. The up-down movement of the inner baffle 36 is actually suitable for some solid wood lines with special-shaped side edges or large thickness, such as L-shaped solid wood line processing. In order to ensure the fixation on one side, the single inner baffle 36 needs to be raised to increase the contact area, and then the L-shaped short part is more stably clamped.

[0040] Further, the bottom of the bottom plate 21 is installed with an assembly stud 40, and the surface of the soft plate 18 is provided with a threaded hole matched with the assembly stud 40. A plurality of threaded holes are arranged on a single soft plate 18. The assembly stud 40 can be inserted into the threaded hole and used in cooperation with a nut, so that the required bottom plate 21 can be installed on the soft plate 18. In actual use, different numbers or different interval sizes of bottom plates 21 can be installed according to needs. The top of the maintenance plate rack 6 is installed with a handle 25. When the maintenance plate rack 6 is opened, after the bolts and nuts are removed, the handle 25 can be directly held to exert force on the entire maintenance plate rack 6, so as to facilitate manual disassembly operation.

[0041] The use method of the embodiment is: when the solid wood line to be polished is fed, the solid wood line can be directly placed on the feeding rack 1, and the four telescopic supporting rods 3 are started by means of the numerical control screen 4, and then the conveying belt assembly 20 and even the bottom plate 21 and the clamping plate 19 are lifted as a whole, so that the bottom plate 21 is kept flush with the feeding rack 1, and then the solid wood line is directly pushed into the middle of the two clamping plates 19 of a single bottom plate 21 through the notched piece 22, and the clamping plates 19 are relatively extruded, at the same time, the reset spring 39 generates a reset elastic force to make the clamping plates 19 clamp a single solid wood line, in the case of a plurality of bottom plate 21 assemblies, a plurality of solid wood lines are clamped at one time, and it needs to be noted that, in the actual feeding process, the lengths of the solid wood lines to be processed need to be consistent, and it is in the form of batch processing, and the end of the solid wood line close to the feeding rack 1 is flattened by means of auxiliary components such as a metal ruler, so that the ends of all the solid wood lines are on the same straight line. After feeding is completed, the telescopic supporting rod 3 is reset, so that the solid wood line falls into the lower rack 8, the first servo motor 12 is started to drive the conveying belt assembly 20 to drive all the solid wood lines to move to one side, then the actual height of the actual transmission shaft 29 and the polishing wheel 31 is adjusted by means of the adjusting piece 27, so that the polishing wheel 31 can contact the solid wood line, the second servo motor 23 is started, and the position of the bottom plate 21 is fixed, so that the position of the solid wood line is fixed, which can directly contact the upper polishing wheel 31 and perform polishing and grinding operation in the left and right movement, after one-time polishing is completed, the solid wood line is in the rear position of the transmission shaft 29, and the end of the solid wood line contacts the polishing disc 17 on one side and grinds the end, the feeding amount of the end grinding is controlled by the movement of the conveying belt assembly 20, the first servo motor 12 is reversed, the solid wood line returns and is polished again, until the other end of the solid wood line contacts the polishing disc 17 on the other side and grinds the end on the other side, and the polishing operation is completed. During the whole polishing process, if the width of the solid wood line is greater than the thickness of a single polishing wheel 31, two-time polishing treatment can be directly performed, the displacement air cylinder 24 is started to be telescopic, so that the position of the polishing wheel 31 changes to correspond to the surface of the solid wood line to be polished below, and the vacuum component 10 is started throughout the process to suck the dust and impurities generated by polishing downward. In order to ensure the actual suction effect, sealing strips and other components can be installed at some notches and gaps for convenient actual use. After polishing is completed, the lifting screw column 28 and the polishing wheel 31 are lifted, the telescopic supporting rod 3 is lifted, the first servo motor 12 is continuously started to make the conveying belt assembly 20 drive the solid wood line to move towards the feeding rack 1, and even make part of the solid wood line above the feeding rack 1, and manual unloading operation is performed, and during the whole process, unloading and feeding are on one side, which is beneficial to unloading and feeding operation at the same time, avoids the occupation of space caused by long production line. In addition, in order to increase the automation effect, the lifting screw column 28 and other components can be changed into an electric telescopic form for convenient electric control of the feeding amount.

[0042] It should be pointed out finally that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A solid wood line polishing machine, comprising a lower frame (8), an upper cover (5) mounted at the top end of the lower frame (8), and a negative pressure collection box (11) at the bottom of the lower frame (8), a numerical control screen (4) is mounted at the surface edge of the upper cover (5), characterized in that: The side of the upper cover (5) is provided with an opening, and the top surface of the lower rack (8) adjacent to the opening is connected with the feeding rack (1) in a hinged manner. The top of the upper cover (5) is provided with at least two groups of reserved grooves (16). The reserved grooves (16) are arranged in front and back of the upper cover (5), and the side view profile of the reserved grooves (16) is in the form of a door frame. The top of the reserved grooves (16) is detachably connected with the maintenance plate rack (6). The maintenance plate rack (6) is in the form of an inverted U-shaped structure. The inside of the reserved grooves (16) at the lower part of both ends of the maintenance plate rack (6) is connected with the transmission shaft (29). The transmission shaft (29) acts horizontally in the inside of the upper cover (5). The both ends of the transmission shaft (29) are connected with the power displacement mechanism. The power mechanism and the reserved grooves (16) are connected with the adjusting mechanism. The surface of the transmission shaft (29) is equidistantly connected with a plurality of polishing wheels (31). The inside of the lower rack (8) below the upper cover (5) is connected with at least two groups of rotating shafts. The rotating shafts are connected with the power lifting mechanism between the end parts and the lower rack (8). The rotating shafts are connected with the conveying belt assembly (20). The surface of the conveying belt assembly (20) is connected with the soft plate (18). A plurality of groups of bottom plates (21) are horizontally arranged on the soft plate (18) from left to right. The front and rear positions of the bottom plates (21) are movably connected with the clamping plate (37). The end part of the clamping plate (37) adjacent to the feeding rack (1) is connected with the notch (22). The left and right side walls of the inner cavity of the lower rack (8) are connected with the polishing disc (17). When the solid wood line to be polished is fed, the solid wood line can be directly placed on the feeding rack. The numerical control screen (4) is started to drive the four telescopic supporting rods to lift the conveying belt assembly and the bottom plate and the clamping plate as a whole. After the feeding is completed, the telescopic supporting rods are driven to reset so that the solid wood line falls into the inside of the lower rack to be polished and ground. After the polishing is completed, the solid wood line is in the rear position of the transmission shaft. During the whole process, the end part of the solid wood line is in contact with the polishing disc on one side.

2. A live edge trim polisher as claimed in claim 1, wherein: The power displacement mechanism comprises the clamping plate (19), the side plate (26), the displacement assembly and the second servo motor (23). Two clamping plates (19) are respectively arranged in the inside of the reserved grooves (16) at the lower part of both ends of the maintenance plate rack (6). The both side surfaces of the clamping plate (19) are connected with the side plate (26). The surface of any one clamping plate (19) is connected with the second servo motor (23). The output shaft of the second servo motor (23) is connected with the transmission shaft (29) through the clamping plate (19). The end part of the transmission shaft (29) is connected with the displacement assembly.

3. A live edge trim sander as in claim 2, wherein: The displacement assembly comprises the displacement cylinder (24), the cross shaft sleeve (30) and the cross shaft (32). The cross shaft sleeve (30) is arranged at the end part of the output shaft of the second servo motor (23). One end of the transmission shaft (29) is connected with the cross shaft (32). The cross shaft (32) is used in cooperation with the cross shaft sleeve (30). The displacement cylinder (24) is arranged on the surface of the other clamping plate (19). The output end of the displacement cylinder (24) is connected with the other end of the transmission shaft (29) through the clamping plate (19).

4. A live edge trim sander as in claim 3, wherein: The adjusting mechanism comprises an adjusting piece (27) and a lifting stud (28), the lifting stud (28) is fixedly installed at the bottom end of the clamping plate (19), the surface of the lifting stud (28) is threadedly installed with the adjusting piece (27), and the bottom of the adjusting piece (27) is connected with the surface bearing of the upper machine cover (5).

5. The live edge trim sander of claim 1, wherein: The bottom surface of the negative pressure collecting box (11) is provided with a through groove, and a filter screen box (9) is detachably installed in the through groove. The filter screen box (9) extends into the negative pressure collecting box (11), and a filter screen (15) is installed in the negative pressure collecting box (11) above the filter screen box (9). A vacuum component (10) is installed at the bottom end of the negative pressure collecting box (11).

6. A live edge trim sander as in claim 3, wherein: The circumferential surface of the polishing wheel (31) is provided with a wheel groove (35), and the wheel groove (35) is uniformly installed with elastic pieces (33), and the surface of the elastic pieces (33) is jointly installed with flexible grinding sleeves (34).

7. A live edge trim sander as described in claim 1, wherein: The power lifting mechanism comprises lifting grooves (2), telescopic supporting rods (3), sliding seats (7), first servo motors (12) and supports (13). The front and rear surfaces of the lower machine frame (8) adjacent to the two ends of the rotating shaft are both installed with lifting grooves (2), the lifting grooves (2) are arranged in pairs to form a group, and the single group of lifting grooves (2) are arranged in parallel. The two ends of the rotating shaft respectively extend out of the single group of lifting grooves (2). The one end of the rotating shaft is installed with the first servo motor (12), the bottom end of the first servo motor (12) is installed with the support (13), the other end of the rotating shaft is installed with the sliding seat (7), and the inner cavities of the lifting grooves (2) are all installed with the telescopic supporting rods (3). The output rods of the telescopic supporting rods (3) are respectively connected with the supports (13) or the sliding seats (7) above.

8. A live edge trim sander as described in claim 1, wherein: The bottom plate (21) is provided with guide grooves (14) on the surface thereof and extending in the up-down direction. The guide grooves (14) are connected with the bottom of the clamping piece (37) through sliding blocks. The inner side wall of the guide groove (14) towards the center of the clamping piece (37) is installed with a return spring (39). One end of the return spring (39) is connected with the sliding block of the clamping piece (37).

9. A live edge trim sander as in claim 8, wherein: The clamping piece (37) is hollow inside, and the inside of the clamping piece (37) is limitedly installed with an inner baffle (36). The outer side surface of the clamping piece (37) is installed with a positioning bolt (38) through a screw hole, and the positioning bolt (38) is in contact with the surface of the inner baffle (36) through the screw hole.

10. A live edge trim sander as described in claim 1, wherein: The bottom plate (21) is installed with an assembly stud (40), and the surface of the soft plate (18) is provided with a screw hole matched with the assembly stud (40). The top of the maintenance plate frame (6) is installed with a handle (25).

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