CN113319707B

CN113319707B - Metal furniture supports pedestal surface polishing machine

Info

Publication number: CN113319707B
Application number: CN202110890499.8A
Authority: CN
Inventors: 贾志磊
Original assignee: Suining Zhilei Furniture Co ltd
Current assignee: Suining Zhilei Furniture Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2021-10-08
Anticipated expiration: 2041-08-04
Also published as: CN113319707A

Abstract

The invention relates to the technical field of metal furniture processing, in particular to a surface polishing machine for a metal furniture supporting pedestal, which comprises a rack, wherein the rack comprises two vertical long plates which are arranged in parallel and a guide plate which is vertically fixed between the two vertical long plates; the two sides of the guide plate are respectively provided with a joint guide mechanism and a polishing drive mechanism in a distributed manner, the two sides of the joint guide mechanism are provided with adjusting and positioning mechanisms in a mirror symmetry manner, the two vertical long plates are provided with guide mechanisms, and the guide mechanisms are positioned between the joint guide mechanism and the polishing drive mechanism; the invention can realize the integral polishing and grinding function of the whole curved surface profile of the pedestal, and solves the problems that the prior polishing and machining process can only polish the local surface of the pedestal each time, and the grinding angle needs to be manually adjusted each time the polishing area is replaced, so that the operation is very troublesome, and the machining time and efficiency are low.

Description

Metal furniture supports pedestal surface polishing machine

Technical Field

The invention relates to the technical field of metal furniture processing, and particularly provides a surface polishing machine for a support pedestal of metal furniture.

Background

The metal furniture supporting pedestal is widely applied to modern furniture design, and is an integral supporting pedestal for supporting, and is usually assembled on a chair as a chair leg or at the center of the bottom end of a round table as a table leg, and is generally in a rotary structure, as shown in the attached drawing 13, the metal furniture supporting pedestal is a rotary structure body with a rotary section in a curved surface form, and is generally made of alloy steel, the formed metal pedestal generally needs to be polished and polished, the polishing and polishing aims to remove a metal oxide layer on the surface, and the smoothness and brightness of the metal surface are improved through polishing, so that the effect of improving the attractiveness is achieved.

In the existing grinding process, the rotary section of the metal pedestal is of a curved surface structure, so that in the rotary polishing and grinding process, only local parts can be basically polished at each time, and the grinding angle needs to be manually adjusted according to the curved surface contour when a polishing area is replaced at each time, so that the whole polishing process is troublesome to operate, the polishing efficiency is not high, and time is wasted.

Disclosure of Invention

In order to solve the above problems, the present invention provides a metal furniture support pedestal surface polisher for solving the above problems mentioned in the background art.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a surface polishing machine for a metal furniture supporting pedestal comprises a rack, wherein the rack comprises two vertical long plates arranged in parallel and a guide plate vertically fixed between the two vertical long plates; a laminating guide mechanism and a polishing drive mechanism are respectively arranged on two sides of the guide plate, adjusting and positioning mechanisms are arranged on two sides of the laminating guide mechanism in a mirror symmetry manner, guide mechanisms are arranged on the two vertical long plates, and the guide mechanisms are positioned between the laminating guide mechanism and the polishing drive mechanism; wherein: the fit guiding mechanism comprises a plurality of guiding adjusting frames which are vertically and uniformly arranged and distributed and flexible rubber strips fixed on all the guiding adjusting frames; the flexible rubber strip is a rectangular sheet material; the guide adjusting frame comprises a U-shaped frame, a guide pillar horizontally matched with the guide plate in a sliding mode is fixedly connected in a notch of the U-shaped frame, a keel frame is connected to one side, opposite to the guide pillar, of the U-shaped frame, a spring is sleeved on the guide pillar, two ends of the spring are respectively fixed to the U-shaped frame and the guide plate, the keel frame comprises a hinged fork hinged to the U-shaped frame and a keel strip fixedly connected to the hinged fork, the keel strip is of a U-shaped structure, and the connecting end of the keel strip and the hinged fork is located on one side of the notch; one side of the flexible rubber strip is connected in series and fixed on all the keel strips.

The two adjusting and positioning mechanisms are used for realizing the axial positioning of the guide columns in all the guide adjusting frames; the guide mechanism comprises two guide rollers, and the two vertical long plates are positioned between the two guide rollers; the guide roller is capable of being adjusted in inclination on a vertical plane perpendicular to the axial direction of the guide post.

Preferably, the guide mechanism further comprises two groups of slide rails, four slide blocks and two bidirectional screw rods; the two groups of slide rails are arranged on the two vertical long plates in a one-to-one correspondence horizontal mirror manner, and each group of slide rails consists of two slide rails which are horizontally and fixedly arranged on the outer plate surfaces of the vertical long plates and are oppositely arranged in a vertical mirror manner; the four sliding blocks are slidably mounted on the four sliding rails in a one-to-one correspondence manner, the two bidirectional screw rods are horizontally and rotatably mounted on the two vertical long plates, and the two sliding blocks at the same height are in one-to-one correspondence threaded connection with two thread sections of the bidirectional screw rods; every group is located two of vertical long slab homonymy all articulated being provided with between the slider the guide roll.

Preferably, the adjusting and positioning mechanism comprises two carry cylinders which are horizontally and fixedly mounted on the outer side walls of the two slide rails on the same side of the vertical long plate in a one-to-one correspondence manner, the output direction of each carry cylinder is perpendicular to the axial direction of the guide pillar, a stroke plate is vertically and fixedly mounted between the output ends of the two carry cylinders, a plurality of positioning strips which are uniformly arranged along the axial direction of the guide pillar are arranged on the surface, facing the laminating guide mechanism, of the stroke plate, the length direction of each positioning strip is the vertical direction, the upper end and the lower end of each positioning strip respectively extend to the upper part of the topmost guide adjusting frame and the lower part of the bottommost guide adjusting frame, and flat-head inserting blocks are arranged on the two sides of the U-shaped frame in a mirror symmetry manner; adjacent two form between the location strip with flat head inserted block inserts complex slot, vertical rotation is provided with and is used for the guide on the location strip flat head inserted block male guide roller strip.

Preferably, the guide roll includes cylindric roller core, the both ends of roller core are provided with the round hole groove of equidistance, be provided with the extension spring in the round hole inslot, and extension spring one end fixed connection be in on the interior terminal surface of round hole groove, the other end fixedly connected with slip roller axle of extension spring, slip roller axle slidable mounting be in the round hole groove, the cover is equipped with the rotatory roller shell that the activity set up on the roller core, just be close to both ends position threaded connection on the roller core and have the retaining ring, rotatory roller shell is restricted two between the retaining ring, two the axle head one-to-one of slip roller axle articulates two on the slider.

Preferably, the polishing driving mechanism comprises four tensioning cylinders, two tensioning cylinders are horizontally arranged on two vertical long plates respectively, a v-21274is arranged at the output end of each tensioning cylinder, a driving motor is fixedly arranged at the top end of each stroke frame, a driving gear is arranged on the output shaft of each driving motor, driving rollers which are vertically and rotatably arranged on the stroke frames are distributed on two sides of the driving gear, and driven gears meshed with the driving gears are arranged on the two driving rollers.

Preferably, the rack further comprises a base, and the base is fixedly connected to the bottom ends of the two vertical long plates.

Preferably, hand wheels are arranged at two ends of the bidirectional screw rod.

The technical scheme has the following advantages or beneficial effects: 1. the invention provides a metal furniture supporting pedestal surface polishing machine which can be used for carrying out adaptive contour fitting on metal furniture supporting pedestals with different rotating curved surface contours, can realize the integral polishing and grinding function of the whole curved surface contour of the pedestal, and solves the problems that only local polishing can be carried out on the surface of the pedestal in the existing polishing process every time, and the grinding angle needs to be manually adjusted every time the polishing area is replaced, so that the operation is very troublesome, and the processing time and efficiency are low.

2. The invention provides a surface polishing machine for a metal furniture supporting pedestal, which can correspondingly adjust the surface curved surfaces of the metal furniture supporting pedestal with different rotary curved surface profiles through a fitting guide mechanism, can guide polishing materials to be fitted with the surface curved surface profile of the pedestal in a smooth manner, and thus, the purpose of integrally polishing the whole surface curved surface is achieved.

3. The invention provides a metal furniture support pedestal surface polishing machine, which is provided with an adjusting and positioning mechanism in a matching way with a fitting guide mechanism, and can quickly position each guide and adjusting frame after adjustment when curved surface guide fitting adjustment is carried out.

4. The invention provides a metal furniture supporting pedestal surface polishing machine, wherein a guide mechanism can be matched with a polishing driving mechanism to perform transition guide on a polishing material, and the guide mechanism can perform corresponding adjustment after curved surface guide fitting is completed by aiming at a fitting guide mechanism, so that the guide effectiveness can be ensured.

Drawings

The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings; the drawings, in which like numerals refer to like parts throughout the several views and which are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic perspective view of a metal furniture support pedestal surface polisher at a viewing angle.

Fig. 2 is a schematic perspective view of a metal furniture support pedestal surface polisher at another viewing angle.

Fig. 3 is a partially enlarged schematic view at a in fig. 1.

Fig. 4 is a partially enlarged schematic view at B in fig. 2.

FIG. 5 is a side view of a metal furniture support pedestal surface polisher provided by the present invention.

FIG. 6 is another side view of a metal furniture support pedestal surface polisher provided in accordance with the present invention.

Fig. 7 is a perspective view of the fit guiding mechanism.

Fig. 8 is a partially enlarged schematic view at C in fig. 7.

Fig. 9 is a schematic sectional structure view of the guide roller.

Fig. 10 is a partially enlarged schematic view at D in fig. 9.

Fig. 11 is a schematic perspective view of a surface polisher for a metal furniture supporting pedestal, provided by the invention, after being sleeved with a sand paper tape.

Fig. 12 is a top view of the surface polishing machine for a metal furniture supporting pedestal provided by the invention after being sleeved with a sand paper tape.

Fig. 13 is a perspective view of a metal furniture support pedestal.

In the figure: 1. a frame; 11. a base; 12. a vertical long plate; 13. a guide plate; 2. a fitting guide mechanism; 21. a guide adjusting bracket; 211. a U-shaped frame; 2111. inserting a flat head; 212. a guide post; 213. a spring; 214. a keel frame; 2141. a hinged fork; 2142. keel strips; 22. a flexible rubber strip; 3. adjusting and positioning the mechanism; 31. a carry cylinder; 32. a stroke plate; 33. a positioning bar; 331. a guide roll; 4. a polishing drive mechanism; 41. a tensioning cylinder; 42. a stroke frame; 43. a drive motor; 431. a drive gear; 44. a driving roller; 441. a driven gear; 5. a guide mechanism; 51. a slide rail; 52. a slider; 53. a bidirectional lead screw; 531. a hand wheel; 54. a guide roller; 541. a roll core; 5411. a circular hole groove; 542. a tension spring; 543. sliding the roll shaft; 544. rotating the roller sleeve; 545. a retainer ring; 6. a sandpaper strip.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for the purpose of providing those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention, and to facilitate the implementation thereof, but not to limit the present invention.

As shown in fig. 1, 2 and 5, a metal furniture support pedestal surface polisher comprises a frame 1, wherein the frame 1 comprises two parallel vertical long plates 12 and a guide plate 13 vertically welded between the two vertical long plates 12; two sides of the guide plate 13 are respectively provided with a joint guide mechanism 2 and a polishing drive mechanism 4, two sides of the joint guide mechanism 2 are provided with adjusting and positioning mechanisms 3 in mirror symmetry, two vertical long plates 12 are provided with guide mechanisms 5, and the guide mechanisms 5 are positioned between the joint guide mechanism 2 and the polishing drive mechanism 4; the frame 1 further comprises a base 11, and the base 11 is welded at the bottom ends of the two vertical long plates 12.

The invention provides a metal furniture supporting pedestal surface polishing machine which is used for polishing and grinding a metal furniture supporting pedestal as shown in figure 13, for convenience of description, the metal furniture supporting pedestal is simply called a pedestal, and the processing working environment of the polishing machine is described as follows; in addition, the base 11 of the polishing machine is directly assembled on the electric sliding table or the pneumatic sliding table, and the whole polishing machine can move towards the direction close to the electric rotary table along with the sliding table; wherein electric turntable, electric sliding table or pneumatic sliding table are present device, and the mounting fixture can carry out the design of pertinence to the concrete size of pedestal, also easily obtains.

In addition, the polishing and grinding consumables are the sandpaper strip 6, and the sizes of the width and the circumference of the sandpaper strip 6, and the sizes of the polishing particles on the sandpaper strip 6 can be obtained by customizing and purchasing on the market.

As shown in fig. 7 and 8, the attaching guide mechanism 2 includes ten guide adjusting frames 21 vertically and uniformly arranged and distributed, and a flexible rubber strip 22 fixed on all the guide adjusting frames 21; the flexible rubber strip 22 is a rectangular sheet material; the guiding and adjusting frame 21 comprises a U-shaped frame 211, a guide post 212 horizontally sliding matched with the guide plate 13 is welded in a notch of the U-shaped frame 211, a keel frame 214 is connected to one side of the U-shaped frame 211 opposite to the guide post 212, a spring 213 is sleeved on the guide post 212, two ends of the spring 213 are respectively welded on the U-shaped frame 211 and the guide plate 13, the keel frame 214 comprises a hinged fork 2141 hinged with the U-shaped frame 211 and a keel strip 2142 welded on the hinged fork 2141, the keel strip 2142 is of a U-shaped structure, and the connecting end of the keel strip 2142 and the hinged fork 2141 is located on one side of the notch; one surface of the flexible rubber strip 22 is fixed on all the keel strips 2142 in series; it should be noted that, the torsional spring is installed at the hinged position of the hinged forks 2141 and the U-shaped frame 211, on the one hand, each hinged fork 2141 can keep a horizontal state in a balanced state through the torsional spring, and on the other hand, after the flexible rubber strip 22 attaches the sandpaper tape 6 to the curved surface of the pedestal, the elastic force of the torsional spring can directly apply pressure to the flexible rubber strip 22 through the keel frame 214, so that the sandpaper tape 6 is effectively attached to the curved surface of the table top, thereby ensuring effective polishing.

As shown in fig. 1, 4 and 12, two adjusting and positioning mechanisms 3 are used to achieve axial positioning of the guide posts 212 in all the guiding and adjusting frames 21; the adjusting and positioning mechanism 3 comprises two carry cylinders 31 which are horizontally and fixedly installed on the outer side walls of the two slide rails 51 positioned on the same side of the vertical long plate 12 in a one-to-one correspondence manner through bolts, the output direction of each carry cylinder 31 is perpendicular to the axial direction of the guide post 212, a stroke plate 32 is vertically and fixedly installed between the output ends of the two carry cylinders 31 through screws, a plurality of positioning strips 33 which are uniformly arranged along the axial direction of the guide post 212 are arranged on the plate surface of the stroke plate 32 facing the attaching guide mechanism 2, the length direction of each positioning strip 33 is the vertical direction, the upper end and the lower end of each positioning strip 33 respectively extend to the upper part of the guide adjusting frame 21 at the topmost end and the lower part of the guide adjusting frame 21 at the bottommost end, and flat-head inserting blocks 2111 are arranged on two sides of the U-shaped frame 211 in a mirror symmetry manner; an insertion groove matched with the flat head insertion block 2111 in an insertion mode is formed between every two adjacent positioning strips 33, and a guide roller strip 331 used for guiding the flat head insertion block 2111 to be inserted is vertically and rotatably arranged on each positioning strip 33.

Before formal polishing, the sandpaper tape 6 needs to be sleeved on the whole polishing machine according to the illustration in fig. 11 and 12, when a pedestal to be polished is placed on an electric turntable and clamped by an inner support of a fixing clamp, the pedestal to be polished is contracted by synchronously starting two carry cylinders 31 in the adjusting and positioning mechanism 3, so that the stroke plate 32 is pulled to move towards the direction away from the attaching guide mechanism 2, then the flat-head insert 2111 exits from the slot, the two adjusting and positioning mechanisms 3 keep synchronous action, and the guide post 212 can freely slide along the guide plate 13 after the flat-head insert 2111 exits from the slot; then the whole polishing machine is close to the pedestal through the movement of the electric sliding table or the pneumatic sliding table, because the guide posts 212 slide and recover the degree of freedom, finally the flexible rubber strip 22 leads the sandpaper strip 6 to be attached to the external surface curved surface of the pedestal, the compression degree of the spring 213 in each guide adjusting frame 21 is adapted to the curved surface radian of the contact position according to the curved surface radian of the external surface of the pedestal, the torsion degree of the keel frame 214 is also adaptively adjusted along with the curved surface radian, then, under the condition of keeping the attaching state, the carry cylinders 31 in the two adjusting and positioning mechanisms 3 are started again to extend, then the two stroke plates 32 move oppositely, each flat head insert block 2111 enters the slot under the guidance of the two adjacent guide rollers 331 at the nearest position, and after the flat head insert blocks 2111 at the two sides of each guide adjusting frame 21 are inserted into the slot, each guide post 212 realizes the positioning, so that the flexible rubber strip 22 is kept in a state where the sandpaper strip 6 can be attached to the curved surface of the table base.

As shown in fig. 3, 6, 9, and 10, the guide mechanism 5 includes two guide rollers 54, and the two vertically long plates 12 are located between the two guide rollers 54; the guide roller 54 is capable of tilt adjustment in a vertical plane perpendicular to the axial direction of the guide post 212; the guide mechanism 5 further comprises two groups of slide rails 51, four slide blocks 52 and two bidirectional lead screws 53; the two groups of slide rails 51 are arranged on the two vertical long plates 12 in a one-to-one correspondence horizontal mirror manner, and each group of slide rails 51 is composed of two slide rails 51 which are horizontally welded on the outer plate surfaces of the vertical long plates 12 and are arranged oppositely to each other in a vertical mirror manner; the four sliding blocks 52 are slidably mounted on the four sliding rails 51 in a one-to-one correspondence manner, the two bidirectional screw rods 53 are horizontally and rotatably mounted on the two vertical long plates 12, hand wheels 531 are arranged at two ends of each bidirectional screw rod 53, and the two sliding blocks 52 at the same height are in one-to-one correspondence threaded connection with two thread sections of the bidirectional screw rods 53; a guide roller 54 is hinged between the two sliding blocks 52 positioned on the same side of the vertical long plate 12; the guide roller 54 comprises a cylindrical roller core 541, circular hole grooves 5411 with equal depth are arranged at two ends of the roller core 541, tension springs 542 are arranged in the two circular hole grooves 5411, one ends of the tension springs 542 are welded on the inner end faces of the circular hole grooves 5411, sliding roller shafts 543 are welded at the other ends of the tension springs 542, the sliding roller shafts 543 are slidably mounted in the circular hole grooves 5411, a movably arranged rotating roller sleeve 544 is sleeved on the roller core 541, retainer rings 545 are connected to positions, close to the two ends, of the roller core 541 through threads, the rotating roller sleeve 544 is limited between the two retainer rings 545, and shaft ends of the two sliding roller shafts 543 are hinged to the two sliders 52 in a one-to-one correspondence mode.

When the guide roller 54 is in a vertical state, the length of the guide roller is the shortest, and when the tilt adjustment is performed, the sliding roller shaft 543 can slide outwards along the circular hole groove 5411 under the limitation of the tension spring 542, so that the whole guide roller 54 can be automatically elongated along with the tilt adjustment process, and the rotating roller sleeve 544 can always keep a rotatable state under the limitation of the two retaining rings 545.

In the guiding mechanism 5, the two guiding rollers 54 will provide guiding for the sandpaper tape 6, after the sandpaper tape 6 is attached to the external curved surface of the pedestal, the sandpaper tape 6 is attached to the portion with larger radian and located at the position with smaller relative radian in the portion with larger radian, and at this time, the loose condition is easily presented, so that the inclination angles of the two guiding rollers 54 need to be adjusted and changed for realizing guiding compensation, specifically, an exemplary structure of the pedestal is given in fig. 13, if the pedestal to be polished is as shown in fig. 13, that is, the radian of the external curved surface of the pedestal near the lower half is larger, at this time, the handwheels 531 on either side of the two bidirectional screws 53 are respectively rotated, so as to drive the two sliders 52 on the bidirectional screws 53 to move in opposite directions or in opposite directions, the two guiding rollers 54 will be synchronously adjusted, and finally the guiding rollers 54 are in an inclined state, and the upper half of the guiding roller 54 is more deviated to the vertical long plate 12 than the lower half, it should be noted that the rotation adjusting direction and the number of rotation turns of the two bidirectional screws 53 are determined according to specific conditions, so that the sandpaper strip 6 can be better attached to the rotating roller sleeve 544, that is, the guiding roller 54 can provide effective guiding.

As shown in fig. 1 and 6, the polishing driving mechanism 4 includes four tensioning cylinders 41, two tensioning cylinders 41 are respectively horizontally mounted on two vertical long plates 12, and the two tensioning cylinders 41 are vertically distributed and fixedly mounted on the same side wall of the vertical long plates 12 through bolts, the output ends of the four tensioning cylinders 41 are jointly assembled with a v 21274, a shape stroke frame 42, a driving motor 43 is fixedly mounted at the top end of the stroke frame 42 through bolts, a driving gear 431 is arranged on the output shaft of the driving motor 43, driving rollers 44 vertically and rotatably mounted on the stroke frame 42 are distributed on two sides of the driving gear 431, and driven gears 441 engaged with the driving gear 431 are arranged on the two driving rollers 44; in the polishing driving mechanism 4, after the four tensioning cylinders 41 are contracted, the sand paper tape 6 is conveniently and directly sleeved on the polishing machine, and the output ends of the four tensioning cylinders 41 synchronously extend out to promote the sand paper tape 6 to realize the tensioning effect.

After finishing the guiding and bonding of the sand paper tape 6 and the guiding adjustment of the guiding mechanism 5, the polishing driving mechanism 4 can be started to polish, specifically, when polishing and polishing are performed, on one hand, the whole pedestal is driven to rotate at a constant speed by the electric turntable, on the other hand, in a state that the sand paper tape 6 is kept bonded with the outer curved surface of the pedestal, the driving gear 431 is driven to rotate by the driving gear 43, and then the two driven gears 441 are driven by the driving gear 431 to realize the synchronous rotation of the two driving rollers 44, so that the sand paper tape 6 can be bonded on the outer curved surface of the pedestal to automatically polish and polish under the driving of the two driving rollers 44, the guiding of the two guiding rollers 54 and the guiding of the flexible rubber strip 22, thereby the whole outer curved surface contour of the pedestal can be polished integrally and rapidly, and the polishing efficiency is greatly improved, during the polishing process, the polishing effect of corresponding polishing smoothness can be achieved by replacing the abrasive paper strips 6 with different polishing granularities.

Those skilled in the art should understand that those skilled in the art can implement the modifications in combination with the prior art and the above embodiments, and detailed descriptions thereof are omitted; such variations do not affect the essence of the present invention and are not described herein.

The above description is of the preferred embodiment of the invention; it is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; any person skilled in the art can make many possible variations and modifications, or modify equivalent embodiments, without departing from the technical solution of the invention, without affecting the essence of the invention; therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.

Claims

1. The surface polishing machine for the metal furniture supporting pedestal comprises a machine frame (1), wherein the machine frame (1) comprises two vertical long plates (12) which are arranged in parallel and a guide plate (13) which is vertically fixed between the two vertical long plates (12); the method is characterized in that: a joint guide mechanism (2) and a polishing drive mechanism (4) are respectively arranged on two sides of the guide plate (13), adjusting and positioning mechanisms (3) are arranged on two sides of the joint guide mechanism (2) in a mirror symmetry manner, guide mechanisms (5) are arranged on the two vertical long plates (12), and the guide mechanisms (5) are arranged between the joint guide mechanism (2) and the polishing drive mechanism (4); wherein:

the attaching guide mechanism (2) comprises a plurality of guide adjusting frames (21) which are vertically and uniformly arranged and distributed and flexible rubber strips (22) which are fixed on all the guide adjusting frames (21); the flexible rubber strip (22) is a rectangular sheet material; the guide adjusting frame (21) comprises a U-shaped frame (211), a guide post (212) horizontally matched with the guide plate (13) in a sliding manner is fixedly connected in a notch of the U-shaped frame (211), a keel frame (214) is connected to one side, opposite to the guide post (212), of the U-shaped frame (211), a spring (213) is sleeved on the guide post (212), two ends of the spring (213) are respectively fixed on the U-shaped frame (211) and the guide plate (13), the keel frame (214) comprises a hinged fork (2141) hinged to the U-shaped frame (211) and a keel strip (2142) fixedly connected to the hinged fork (2141), the keel strip (2142) is of a U-shaped structure, and a connecting end of the keel strip (2142) and the hinged fork (2141) is located on one side of the notch; one surface of the flexible rubber strip (22) is fixed on all the keel strips (2142) in series;

the two adjusting and positioning mechanisms (3) are used for realizing the axial positioning of the guide columns (212) in all the guide adjusting frames (21);

the guide mechanism (5) comprises two guide rollers (54), and the two vertical long plates (12) are positioned between the two guide rollers (54); the guide roller (54) is capable of being adjusted in inclination on a vertical plane perpendicular to the axial direction of the guide post (212).

2. The metal furniture support pedestal surface polisher of claim 1 with: the guide mechanism (5) further comprises two groups of slide rails (51), four slide blocks (52) and two bidirectional screw rods (53); the two groups of slide rails (51) are arranged on the two vertical long plates (12) in a one-to-one correspondence horizontal mirror image manner, and each group of slide rails (51) is formed by two slide rails (51) which are horizontally and fixedly arranged on the outer plate surface of the vertical long plates (12) and are arranged oppositely to each other in a vertical mirror image manner; the four sliding blocks (52) are correspondingly and slidably mounted on the four sliding rails (51) one by one, the two-way screw rods (53) are horizontally and rotatably mounted on the two vertical long plates (12), and the two sliding blocks (52) at the same height are correspondingly and threadedly connected to two thread sections of the two-way screw rods (53) one by one; and the guide rollers (54) are hinged between the two sliding blocks (52) of each group, which are positioned on the same side of the vertical long plate (12).

3. The metal furniture support pedestal surface polisher of claim 2 with: the adjusting and positioning mechanism (3) comprises two carry cylinders (31) which are horizontally and fixedly arranged on the outer side walls of the two slide rails (51) positioned on the same side of the vertical long plate (12) in a one-to-one correspondence manner, the output direction of the carry cylinders (31) is vertical to the axial direction of the guide post (212), a stroke plate (32) is vertically and fixedly arranged between the output ends of the two carry cylinders (31), a plurality of positioning strips (33) which are uniformly arranged along the axial direction of the guide post (212) are arranged on the surface of the stroke plate (32) facing the joint guide mechanism (2), the length direction of the positioning strips (33) is vertical, and the upper and lower ends of the positioning strip (33) respectively extend to the upper part of the guide adjusting frame (21) at the topmost end and the lower part of the guide adjusting frame (21) at the bottommost end, flat-head inserting blocks (2111) are arranged on two sides of the U-shaped frame (211) in a mirror symmetry manner; two adjacent locating strips (33) form between with flat head inserted block (2111) insert the complex slot, vertical rotation is provided with on locating strip (33) and is used for guiding the inserted guide roller strip (331) of flat head inserted block (2111).

4. The metal furniture support pedestal surface polisher of claim 2 with: guide roll (54) include cylindric roller core (541), the both ends of roller core (541) are provided with circular hole groove (5411) of equidistance, be provided with extension spring (542) in circular hole groove (5411), and extension spring (542) one end fixed connection be in on the interior terminal surface of circular hole groove (5411), the other end fixedly connected with slip roller axle (543) of extension spring (542), slip roller axle (543) slidable mounting is in circular hole groove (5411), the cover is equipped with rotatory roller shell (544) that the activity set up on roller core (541), just be close to both ends position threaded connection on roller core (541) and have retaining ring (545), rotatory roller shell (544) are restricted two between retaining ring (545), two the one-to-one of slip roller axle (543) articulates two on slider (52).

5. The metal furniture support pedestal surface polisher of claim 1 with: the polishing driving mechanism (4) comprises four tensioning cylinders (41), two tensioning cylinders (41) are horizontally arranged on the two vertical long plates (12) respectively, a rectangular stroke frame (42) is assembled at the output end of each tensioning cylinder (41), a driving motor (43) is fixedly installed at the top end of each stroke frame (42), a driving gear (431) is arranged on an output shaft of each driving motor (43), transmission rollers (44) which are vertically rotatably arranged on the stroke frames (42) are distributed on two sides of each driving gear (431), and driven gears (441) meshed with the driving gears (431) are arranged on the transmission rollers (44).

6. The metal furniture support pedestal surface polisher of claim 1 with: the rack (1) further comprises a base (11), and the base (11) is fixedly connected to the bottom ends of the two vertical long plates (12).

7. The metal furniture support pedestal surface polisher of claim 2 with: and hand wheels (531) are arranged at two ends of the bidirectional screw rod (53).