CN212497045U

CN212497045U - Abrasive belt grinding machine

Info

Publication number: CN212497045U
Application number: CN201921994896.4U
Authority: CN
Inventors: 朱殿华
Original assignee: Zhenjiang Letu Precision Sheet Metal Co ltd
Current assignee: Zhenjiang Letu Precision Sheet Metal Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2021-02-09
Anticipated expiration: 2029-11-18

Abstract

The invention discloses an abrasive belt sander. The grinding system comprises a grinding abrasive belt, an abrasive belt mechanism and a grinding mechanism, wherein the abrasive belt mechanism is used for installing and driving the grinding abrasive belt to operate, the grinding mechanism is installed on the grinding guide rail, a workbench used for placing a workpiece to be ground is arranged between the two supporting chassis, the grinding abrasive belt can be driven by the abrasive belt mechanism to operate, and the grinding mechanism can be pressed above the grinding abrasive belt and can reciprocate along the grinding guide rail to perform grinding operation on the workpiece to be ground on the workbench. The advantages are that: the automatic degree is high, and it is swift convenient to polish, has alleviateed intensity of labour greatly, has improved work efficiency, can obtain very high panel surface smoothness and smooth finish to improve the product added value, especially this integrated grinding machanism makes its job stabilization nature good, has further improved the quality of polishing.

Description

Abrasive belt grinding machine

Technical Field

The invention relates to abrasive belt grinding equipment, in particular to an abrasive belt grinding machine, and belongs to the technical field of grinding processing equipment.

Background

In the production process of sheet metal products, the grinding and polishing of metal plates or semi-finished products are almost indispensable procedures. In most cases, angle grinders are used to grind flat and corner surfaces. For a stainless steel sheet metal product, a wire drawing and polishing process is required to be added, the work usually depends on the technical level of workers, otherwise, an attractive surface wire drawing effect is difficult to obtain, the labor is extremely high, the production cost is high, and the quality is difficult to control.

In the woodworking industry, especially the door panel and wallboard production industry, large-area polishing operation is carried out on the surface of a large number of boards, which is necessary for paint pretreatment. The abrasive belt sander that panel beating and carpenter trade used at present degree of automation is very low, and equipment is simple and crude, only has an abrasive belt, and it is inconvenient to change the abrasive belt, and work efficiency is low to be difficult to effectively collect the dust, the operating mode is abominable.

For the industries related to the grinding and polishing of the flat plate materials, a professional grinding and polishing device which can comprehensively improve the production efficiency and the product quality and effectively reduce the occupational hazards is urgently needed.

Disclosure of Invention

The invention aims to provide an abrasive belt sander which can control a plurality of movement shafts simultaneously, reduce labor intensity, improve working efficiency and obtain high surface quality of plates.

In order to solve the technical problem, the abrasive belt sander comprises two supporting bottom frames, a sanding support seat arranged on the two supporting bottom frames and a sanding system used for sanding a workpiece to be sanded, wherein a sanding guide rail horizontally arranged is arranged at the lower part of the sanding support seat, the sanding system comprises a sanding abrasive belt, an abrasive belt mechanism used for installing and driving the sanding abrasive belt to operate and a sanding mechanism installed on the sanding guide rail, a workbench used for placing the workpiece to be sanded is arranged between the two supporting bottom frames, the sanding abrasive belt can be driven by the abrasive belt mechanism to operate, and the sanding mechanism can be pressed above the sanding abrasive belt and can move back and forth along the sanding guide rail so as to perform sanding operation on the workpiece to be sanded on the workbench.

The polishing mechanism comprises a polishing rack, a polishing lifting cylinder and a polishing head, wherein the polishing rack is used for being installed with the polishing guide rail, the polishing lifting cylinder is installed on the polishing rack, and the polishing head can be driven by the polishing lifting cylinder to lift.

Two all be provided with vertical guide rail in the support chassis, the workstation is located between the vertical guide rail of both sides and can reciprocate under the direction of vertical guide rail.

Two all install the slide on the vertical guide rail of support chassis both sides, all have a horizontally mounted's workstation guide rail on the slide of every support chassis one side, the workstation is installed on two workstation guide rails and can be followed workstation guide rail reciprocating motion all around.

The abrasive belt mechanism comprises a driving wheel arranged on one side of the bottom of the polishing supporting seat, a side driven wheel arranged on the other side of the bottom of the polishing supporting seat, a top driven wheel arranged on the top of the polishing supporting seat and an abrasive belt motor used for driving the driving wheel to operate, and the polishing abrasive belt is arranged on the driving wheel, the side driven wheel and the top driven wheel and is of a triangular outline structure.

The two grinding abrasive belts are arranged side by side, the mesh number of the two grinding abrasive belts is different, and the two grinding abrasive belts are installed through the group of the driving wheel, the side driven wheel and the top driven wheel.

The sanding belt comprises a driving wheel, a top driven wheel, a side driven wheel, a linear guide rail, a tensioning cylinder and a grinding belt, wherein the driving wheel is fixedly arranged on one side of the bottom of the grinding supporting seat through the rotating shaft, the top driven wheel is fixedly arranged on the top of the grinding supporting seat through the rotating shaft, the side driven wheel is fixed on a mounting plate, the mounting plate is arranged on the other side of the bottom of the grinding supporting seat through the linear guide rail, the tensioning cylinder is fixedly arranged on the grinding supporting seat and can push the.

And a lifting motor for driving the sliding seat to lift is arranged in the supporting underframe.

The polishing machine frame is further provided with a transverse guide rail, and the polishing head is mounted on the transverse guide rail through a mounting sleeve and can move back and forth along the transverse guide rail.

And a hand push rod is arranged on the grinding machine frame.

The polishing mechanism is provided with a dust removal port which is connected with a dust collection device, and a dust removal flywheel is arranged between two abrasive belt wheels in the driving wheel, so that the dust removal efficiency and the dust collection efficiency are improved.

The support chassis comprises two boxes supported at the bottoms of the two sides of the grinding mechanism and L-shaped mounting seats arranged at the tops of the two boxes, and the propeller strut supporting seat is mounted through the L-shaped mounting seats.

The invention has the advantages that: through arranging the grinding support seat which is supported by utilizing two support underframe provided with the workbench and the grinding system which is positioned in the grinding support seat and is installed by a grinding guide rail, the grinding system is utilized to reciprocate along the grinding guide rail to directly grind the workpiece to be ground on the workbench, the whole grinding process adopts a plurality of movement shafts to control different directions, multi-shaft linkage control is realized, the automation degree is high, the grinding is rapid and convenient, the labor intensity is greatly reduced, the working efficiency is improved, high plate surface smoothness and finish degree can be obtained, the product added value is improved, particularly, the integrated grinding mechanism has good working stability and further improves the grinding quality, in addition, when the grinding support seat is a herringbone frame support seat and two groups of abrasive belt wheel sets are adopted to simultaneously prepare 2 abrasive belts, the frequent abrasive belt replacement is avoided, further reducing the labor intensity and improving the working efficiency.

Drawings

FIG. 1 is a schematic perspective view of a belt sander according to the present invention;

FIG. 2 is a schematic front view of a sanding machine with a sanding belt according to the present invention;

FIG. 3 is a schematic side view of a belt sander according to the present invention;

fig. 4 is a schematic rear view of the sanding machine of the present invention.

Detailed Description

The abrasive belt sander of the present invention is described in further detail below with reference to the accompanying drawings and the detailed description.

The first embodiment is as follows:

as shown in the figures, the abrasive belt sander of the embodiment comprises two supporting underframe 1, sanding support seat 2 arranged on the two supporting underframe 1 and sanding system for sanding the workpiece to be sanded, wherein the supporting underframe 1 comprises a box body and an L-shaped mounting seat arranged on the top of the box body, both ends of the sanding support seat 2 are mounted on the top of the box body through the L-shaped mounting seat, the lower part of the sanding support seat 2 is provided with a sanding guide rail 3 horizontally arranged, the sanding guide rail 3 is horizontally mounted between both ends of the sanding support seat 2, the sanding system comprises a sanding belt 4, an abrasive belt mechanism for mounting and driving the sanding belt to operate and a sanding mechanism mounted on the sanding guide rail, the abrasive belt mechanism comprises a driving wheel 12 mounted on one side of the bottom of the sanding support seat 2, a side driven wheel 13 mounted on the other side of the bottom of the sanding support seat 2, the sanding belt 4 is arranged on the driving wheel and the side driven wheel, the sanding belt motor 15 drives the driving wheel 12 and drives the side driven wheel 13 to rotate so that the sanding belt 4 rotates, namely, the sanding machine drives the driving wheel 12 and the driven wheel 13 through the sanding belt motor 15 (variable frequency motor) so that the sanding belt continuously makes a circulating motion, and the horizontal section of the sanding belt always moves towards the driving wheel 12 along the driven wheel 13; the polishing mechanism comprises a polishing rack 6 used for being installed with a polishing guide rail, a polishing lifting cylinder 7 installed on the polishing rack 6 and a polishing head 8 capable of being driven by the polishing lifting cylinder to lift, a transverse guide rail 19 is further arranged on the polishing rack 6, the polishing head 8 is installed on the transverse guide rail through an installation sleeve and can move back and forth along the transverse guide rail, and therefore transverse and lifting movement of the polishing head is achieved, as can be seen from the figure, the polishing rack 6 is supported and installed through a cross beam of the polishing guide rail and can horizontally reciprocate along the polishing guide rail, the polishing head 8 is a rotatable friction roller, two polishing lifting cylinders 7 and a group of transverse guide rails 19, the rotatable friction roller can move up and down under the action of the polishing lifting cylinder 7, a workbench 5 used for placing a workpiece to be polished is arranged between the two supporting underframe 1, and a polishing abrasive belt 4 can be driven by an abrasive, the grinding mechanism can be pressed above the grinding abrasive belt 4 and can move back and forth along the grinding guide rail so as to grind a workpiece to be ground on the workbench 5.

Further, the side surfaces of the two boxes are provided with vertical guide rails 9, the workbench 5 is positioned between the vertical guide rails 9 on the two sides and can move up and down under the guidance of the vertical guide rails, specifically, the vertical guide rails 9 on the two sides of the two boxes are provided with slide seats 10, each slide seat 10 on one side of the supporting underframe is provided with a workbench guide rail 11 which is horizontally arranged, and the workbench 5 is positioned between the two workbench guide rails 11 and is arranged on the two workbench guide rails 11, so that the workbench can move back and forth along the workbench guide rails.

Example two:

as shown in the figure, the abrasive belt sander of the embodiment comprises two boxes, a herringbone bracket supporting seat arranged on the two boxes and a sanding system used for sanding a workpiece to be sanded, wherein an L-shaped mounting seat is arranged at the top of each box, the herringbone bracket supporting seat is arranged at the top of the two boxes through the L-shaped mounting seat, the herringbone bracket supporting seat is beneficial to increasing the strength of the whole structure and provides a wide space and a wide visual angle for production operation, especially, the layout of other mechanical structures is facilitated, a sanding guide rail 3 horizontally arranged at the lower part of the sanding supporting seat 2 is arranged on the lower part of the sanding supporting seat 2, the sanding system comprises a sanding belt 4, an abrasive belt mechanism used for installing and driving the sanding belt to run and a sanding mechanism installed on the sanding guide rail, the abrasive belt mechanism comprises a driving wheel 12 installed at one side of the, A top driven wheel 14 arranged at the top of the grinding support seat 2 and a belt motor 15 used for driving the driving wheel to run, a grinding belt 4 arranged on the driving wheel, the side driven wheel and the top driven wheel and in a triangular outline structure, the driving wheel 12, side from driving wheel 13 and top from driving wheel 14 and be aluminium system abrasive band wheel, grinding machanism is including being used for carrying out the grinding machine frame 6 of installing with the guide rail of polishing, install the lift cylinder 7 of polishing on grinding machine frame 6 and can be by the head 8 of polishing lift cylinder drive lift, install handspike 20 on grinding machine frame 6, be provided with the workstation 5 that is used for placing the work piece of waiting to polish between two support chassis 1, abrasive band 4 of polishing can be by abrasive band mechanism drive operation, thereby grinding machanism can press in abrasive band 4's top of polishing and along the work piece of waiting to polish on the workstation 5 of guide rail reciprocating motion.

Further, the side surfaces of the two boxes are provided with vertical guide rails 9, the workbench 5 is positioned between the vertical guide rails 9 on the two sides and can move up and down under the guidance of the vertical guide rails, specifically, the vertical guide rails 9 on the two sides of the two boxes are provided with slide seats 10, the box is internally provided with a lifting motor 18 for driving the slide seats to lift, each slide seat 10 supporting one side of the chassis is provided with a workbench guide rail 11 horizontally installed, the workbench 5 is installed between the two workbench guide rails 11 and can reciprocate back and forth along the workbench guide rails, when in use, a workpiece to be polished is placed on the workbench, the workbench can lift up and down to conveniently adjust the height, before polishing or during polishing, the workbench can also move back and forth along the horizontal direction, and the lifting and the horizontal movement of the workbench are realized.

Still further, the driving wheel 12 is fixedly installed on one side of the bottom of the polishing support seat through a rotating shaft, the top driven wheel 14 is fixedly installed on the top of the polishing support seat through the rotating shaft, that is, the axial positions of the driving wheel and the top driven wheel are fixed, the side driven wheel 13 is fixed on an installation plate 21, the installation plate 21 is installed on the other side of the bottom of the polishing support seat (the specific installation position is an L-shaped installation seat) through a linear guide rail 16 (which can be a linear guide rail pair), a tensioning cylinder 17 is fixedly installed on the L-shaped installation seat, the tensioning cylinder 17 can push the side driven wheel to move to realize tightness adjustment of the polishing abrasive belt, and when the polishing machine works, the tensioning cylinder 17 acts on the side driven shaft of the side driven wheel 13 to enable the side driven shaft to linearly move along the linear guide rail.

In addition to the first or second embodiment, two (a pair) driving wheels 12, side driven wheels 13, and top driven wheels 14 are provided side by side, that is: the pair of driving wheels 12, the pair of side driven wheels 13 and the pair of top driven wheels 14 are provided, one driving wheel 12, one side driven wheel 13 and one top driven wheel 14 in each pair are taken as a group, of course, the driving wheel 12, the side driven wheel 13 and the top driven wheel 14 in the group are necessarily positioned on the same side, the other driving wheel 12, the other side driven wheel 13 and the other top driven wheel 14 in each pair are taken as another group, the sanding belts 4 are provided with two sanding belts which are arranged side by side, the mesh number of the two sanding belts 4 is different, the sanding belts can be used for rough grinding and fine grinding by being provided with two sanding belts with different mesh numbers, for stainless steel products, wire drawing surfaces with different surface effects can be obtained by selecting sanding belts with different mesh numbers, and the two sanding belts are respectively installed through one group of the driving wheels, the side driven wheels and the top, that is, the driving wheel 12, the side driven wheel 13 and the top driven wheel 14 constitute a belt motion mechanism, and as can be seen from the above description, the belt motion mechanism mainly comprises three pairs of (driving and driven) belt wheels (a pair of driving wheels 12, a pair of side driven wheels 13 and a pair of top driven wheels 14) capable of performing rotary motion and two belts, and the three pairs of belt wheels are arranged in an isosceles triangle.

In addition, as can be seen from the figure, the driving wheel, the side driven wheel and the top driven wheel are respectively installed on corresponding rotating shafts to form a group of abrasive belt wheel systems, and each rotating shaft is provided with 2 (driving and driven) abrasive belt wheels, so that 2 groups of abrasive belt wheel systems are formed, one polishing abrasive belt 4 is installed on each group of abrasive belt wheel system, and 2 polishing abrasive belts 4 can be installed simultaneously, the mesh number of the 2 polishing abrasive belts can be different, a dust removal port can also be arranged on the polishing mechanism, the dust removal port is connected with a dust collection device, a dust removal flywheel can also be arranged between the two abrasive belt wheels in the driving wheel, and the dust removal and dust collection efficiency is improved.

The working principle is as follows:

when the grinding is started, the grinding abrasive belt is tightly pressed by the friction roller and is attached to the surface of a workpiece to be ground, and the grinding abrasive belt drives the friction roller to rotate in the process of linear motion, so that the effect of pressing is achieved, the friction resistance is reduced, and the grinding and polishing effects are achieved; when the sander is provided with two abrasive belts, the friction roller can be freely adjusted to the position of the corresponding sanding belt back and forth, so that the friction roller is installed on two transverse guide rails and can be locked at the corresponding position; particularly, the grinding mechanism can be switched between automatic driving and manual operation, and the automatic driving can be used when the batch production is carried out and the required processing surface is large; when the grinding mechanism is in an automatic working state, the grinding lifting cylinder 7 of the grinding mechanism is ejected, the moving length and the starting and stopping positions of the grinding mechanism in the horizontal direction are set through a human-computer interface, when a workpiece is not suitable for automatic operation, manual operation can be used, and when the workpiece is manually operated, correspondingly, the grinding lifting cylinder 7 of the grinding mechanism is retracted, and the push rod can be held by a hand to horizontally move and apply force to press down.

Claims

1. An abrasive belt sander, characterized in that: the grinding system comprises two supporting underframe (1), a grinding supporting seat (2) arranged on the two supporting underframe (1) and a grinding system used for grinding a workpiece to be ground, wherein the lower part of the grinding supporting seat (2) is provided with a grinding guide rail (3) horizontally arranged, the grinding system comprises a grinding abrasive belt (4), an abrasive belt mechanism used for installing and driving the grinding abrasive belt to run and a grinding mechanism arranged on the grinding guide rail, two working tables (5) used for placing the workpiece to be ground are arranged between the supporting underframe (1), the grinding abrasive belt (4) can be driven to run by the abrasive belt mechanism, and the grinding mechanism can be pressed above the grinding abrasive belt (4) and can perform grinding operation on the workpiece to be ground on the working tables (5) along the grinding guide rail in a reciprocating mode.

2. The belt sander of claim 1, wherein: the polishing mechanism comprises a polishing rack (6) used for being installed with a polishing guide rail, a polishing lifting cylinder (7) installed on the polishing rack (6) and a polishing head (8) capable of being driven to lift by the polishing lifting cylinder.

3. The belt sander of claim 1 or 2, wherein: two all be provided with vertical guide rail (9) in supporting chassis (1), workstation (5) are located between the vertical guide rail (9) of both sides and can reciprocate under the direction of vertical guide rail.

4. The belt sander of claim 3, wherein: two all install slide (10) on supporting vertical guide rail (9) of chassis (1) both sides, all have a horizontally mounted's workstation guide rail (11) on slide (10) of every supporting chassis one side, workstation (5) are installed on two workstation guide rails (11) and can be followed workstation guide rail reciprocating motion back and forth.

5. The belt sander of claim 1, 2, or 4, wherein: the abrasive belt mechanism comprises a driving wheel (12) installed on one side of the bottom of the grinding supporting seat (2), a driven wheel (13) installed on the other side of the bottom of the grinding supporting seat (2), a driven wheel (14) installed on the top of the grinding supporting seat (2) and an abrasive belt motor (15) used for driving the driving wheel to run, and the grinding abrasive belt (4) is installed on the driving wheel, the driven wheel and is of a triangular outline structure.

6. The belt sander of claim 5, wherein: the grinding device is characterized in that the driving wheel (12), the side driven wheel (13) and the top driven wheel (14) are arranged in parallel, the driving wheel (12), the side driven wheel (13) and the top driven wheel (14) on the same side are used as a group, the two grinding abrasive belts (4) are arranged in parallel, the mesh number of the two grinding abrasive belts (4) is different, and the two grinding abrasive belts are installed through one group of driving wheel, one group of side driven wheel and one group of top driven wheel.

7. The belt sander of claim 6, wherein: the sanding belt is characterized in that the driving wheel (12) is fixedly installed on one side of the bottom of the sanding supporting seat through a rotating shaft, the top driven wheel (14) is fixedly installed on the top of the sanding supporting seat through the rotating shaft, the side driven wheel (13) is fixed on one mounting plate (21), the mounting plate (21) is installed on the other side of the bottom of the sanding supporting seat through a linear guide rail (16), a tensioning cylinder (17) is fixedly installed on the sanding supporting seat (2), and the tensioning cylinder (17) can push the side driven wheel to move to achieve tightness adjustment of the sanding belt.

8. The belt sander of claim 3, wherein: and a lifting motor (18) for driving the sliding seat to lift is arranged in the supporting underframe (1).

9. The belt sander of claim 2, wherein: the polishing machine frame (6) is further provided with a transverse guide rail (19), and the polishing head (8) is mounted on the transverse guide rail through a mounting sleeve and can move back and forth along the transverse guide rail.

10. The belt sander of claim 2 or 9, wherein: and a hand push rod (20) is arranged on the grinding rack (6).

11. The belt sander of claim 6 or 7, wherein: two support chassis (1) are including supporting the L shape mount pad that sets up at two boxes and two box tops of mechanism both sides bottom, the propeller strut supporting seat is installed through L shape mount pad.