CN206677716U - A kind of timber sander of two-sided polishing - Google Patents

Abstract

The utility model discloses a double-sided grinding wood grinding machine, which comprises a base, two grinding discs symmetrically arranged on the base, a workbench and a portal frame erected on the base; The motor, the motor base is slidingly connected with the base; the workbench is located at the center of the two grinding discs, a lifting device is provided under the workbench, and the output end of the lifting device is connected to the workbench; the top of the motor is connected with an L-shaped rod, The vertical rod body of the L-shaped rod is connected to the motor, the horizontal rod body of the L-shaped rod extends to the direction of the grinding disc and a rack is provided on the end part, and the horizontal rod bodies of the L-shaped rods on the left and right sides are misplaced and set on it. The racks are opposite to each other; the central position of the gantry frame is rotatably connected with a gear, and the gear meshes with the racks on the left and right sides at the same time. The utility model can realize double-sided grinding of wood, and meanwhile, the adjustment is convenient and the grinding effect is good.

Description

A double-sided wood sander

technical field

The utility model relates to a grinding machine, in particular to a double-sided grinding wood grinding machine.

Background technique

Wood is the main raw material for making furniture. Many woods need to be polished before making furniture, so wood grinding machines came into being.

Most of the existing wood grinding machines first grind the wood on one side, and then change the surface after the one-side grinding is finished, which leads to low efficiency of wood grinding; at the same time, due to the different width and thickness of the wood, it is necessary to The position of the grinding tool is adjusted, but most of the existing grinding machines rely on workers' experience or visual inspection for manual adjustment, which is inconvenient to adjust and affects work efficiency.

Utility model content

The purpose of this utility model is to provide a wood grinder for double-sided grinding, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A wood grinder for double-sided grinding, comprising a base, two grinding discs symmetrically arranged on the base, a workbench and a portal frame erected on the base; the grinding disc is provided with a motor to drive its rotation, and the motor The output end is connected to the grinding disc through the rotating shaft, the motor is installed on the motor base, and the motor base is slidably connected to the base; the workbench is located in the center of the two grinding discs, and a lifting device is provided under the workbench, and the output end of the lifting device is connected to the working platform; the top of the motor is connected with an L-shaped rod, the vertical rod body of the L-shaped rod is connected to the motor, the horizontal rod body of the L-shaped rod extends toward the direction of the grinding disc and the end portion is provided with a rack, and the left and right sides The horizontal rod body of the L-shaped rod is dislocated and the racks on it are opposite; the central position of the portal frame is connected to a gear, and the gear is meshed with the racks on the left and right sides at the same time; the gear is also provided with a drive to rotate gear drive.

As a further solution of the utility model: the grinding plate includes a top plate, a chassis fixed on the top plate, and a plurality of grinding balls protruding from the outer surface of the chassis, and the chassis is provided with mounting holes corresponding to the grinding balls. A mounting sleeve matching the grinding ball is provided, the end face of the mounting sleeve is flush with the end face of the chassis, a pressure spring is arranged between the mounting sleeve and the grinding ball, and a limit post is also provided in the mounting sleeve.

As a further solution of the utility model: the horizontal rod body of the L-shaped rod is covered with a sliding sleeve to maintain its movement stability, and the sliding sleeve is connected to the portal frame through the sliding sleeve bracket.

As a further solution of the utility model: the lifting device is a lifting hydraulic cylinder.

As a further solution of the utility model: the gear drive device is a hand rocker.

As a further solution of the utility model: an operating handle is provided at the end of the hand rocker.

Compared with the prior art, the beneficial effects of the utility model are:

In the utility model, both sides of the wood can be polished at the same time, and the grinding efficiency is high; when the wood is polished, the height of the workbench can be adjusted by the lifting device to adapt to the width of the wood, and the gear and the rack on the L-shaped bar can be rotated. The meshing drives the grinding discs on the left and right sides to approach or move away to adapt to the thickness of the wood. The operation is simple and the adjustment is convenient; when the grinding ball floats elastically on the grinding disc, even if the surface of the wood is not smooth enough, the grinding ball can be closely attached to the wood, ensuring improved grinding quality.

Description of drawings

Fig. 1 is a structural schematic diagram of a wood sander for double-side sanding.

Fig. 2 is a schematic diagram of the installation structure of the grinding ball in the double-sided grinding wood grinding machine.

Fig. 3 is a partial schematic diagram in direction A of the double-sided grinding wood grinding machine.

In the figure: 1-base, 2-grinding disc, 21-top plate, 22-chassis, 23-installation sleeve, 231-limit post, 24-grinding ball, 25-pressure spring, 3-motor, 31-rotating shaft , 32-motor seat, 4-worktable, 41-conveyor belt, 42-lifting device, 5-L-shaped rod, 51-sliding sleeve, 511-sliding sleeve bracket, 52-rack, 6-gear, 61- Gear drive, 611-operating handle, 7-door frame.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1 to 3. In the embodiment of the utility model, a double-sided grinding wood grinding machine includes a base 1, two grinding discs 2 symmetrically arranged on the base 1, a workbench 4 and a The portal frame 7; the grinding disc 2 is provided with a motor 3 that drives its rotation, the output end of the motor 3 is connected to the grinding disc 2 through the rotating shaft 31, the motor 3 is installed on the motor base 32, and the motor base 32 slides with the base 1 connection; the workbench 4 is located at the center of the two grinding discs 2, a lifting device 42 is provided below the workbench 4, and the output end of the lifting device 42 is connected to the workbench 4, and the height of the workbench 4 can be adjusted by the lifting device 42 during work To adapt to timbers of different widths; the top of the motor 3 is connected with an L-shaped bar 5, the vertical bar of the L-shaped bar 5 is connected to the motor 3, and the horizontal bar of the L-shaped bar 5 extends in the direction of the grinding disc 2 and the end portion A rack 52 of a certain length is arranged on the position, and the horizontal bar bodies of the L-shaped bars 5 on the left and right sides are misplaced and the racks 52 on it are opposite; At the same time, it meshes with the racks 52 on the left and right sides. When the gear 6 rotates clockwise or counterclockwise, the two L-shaped rods 5 are driven by the respective racks 52 to approach or move away, and the L-shaped rods 5 drive the motor 3 on the base. 1, thereby driving the grinding discs 2 on both sides to approach or move away to adapt to woods of different thicknesses; the gear 6 is also provided with a gear drive device 61 for driving its rotation, and the gear drive device 61 can be driven electrically or manually;

The grinding disc 2 includes a top plate 21, a chassis 22 fixed on the top disc 21 and a plurality of grinding balls 24 protruding from the outer surface of the chassis 22. The chassis 22 is provided with mounting holes corresponding to the grinding balls 24, and the mounting holes A mounting sleeve 23 matching the grinding ball 24 is provided, the end face of the mounting sleeve 23 is flush with the end face of the chassis 22, a pressing spring 25 is arranged between the mounting sleeve 23 and the grinding ball 24, and the pressing spring 25 makes the grinding ball 24 Elastically floating in the grinding disc 2, even if the surface of the wood is not smooth enough, the grinding ball can be closely attached to the wood, and a limit post 231 is also provided in the installation sleeve 23, and the limit post 231 is used to prevent the grinding ball 24 from sinking into the installation sleeve 23 ;

The horizontal bar body of the L-shaped bar 5 is covered with a sliding sleeve 51 to maintain its movement stability, and the sliding sleeve 51 is connected to the portal frame 7 through a sliding sleeve bracket 511;

The workbench 4 is provided with a transmission belt 41;

The lifting device 42 is a lifting hydraulic cylinder to ensure the stability of the lifting of the workbench;

The gear drive device 61 is a hand rocker;

An operating handle 611 is provided at the end of the hand rocker.

The working principle of the utility model is:

When the wood is polished, the wood is placed on the workbench 4, and the height of the workbench 4 is adjusted by the lifting device 42 to adapt to the width of the wood; by rotating the gear 6, the gear 6 meshes with the racks on the L-shaped rods 5 on both sides , drive the L-shaped rods 5 on the left and right sides to approach or move away, thereby driving the grinding discs 2 on the left and right sides to approach or move away to adapt to the thickness of the wood; when the grinding ball 24 floats elastically on the grinding disc 2, even if the wood surface is not flat enough, Grinding ball 24 also can closely fit with wood.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. a kind of timber sander of two-sided polishing, including base（1）, be symmetricly set on base（1）On two polishing pads （2）, workbench（4）Be erected at base（1）On door type frame（7）；Characterized in that, the polishing pad（2）Provided with drive its The motor of rotation（3）, motor（3）Output end pass through rotary shaft（31）Connect polishing pad（2）, motor（3）Installed in motor cabinet （32）On, motor cabinet（32）With base（1）It is slidably connected；The workbench（4）Positioned at two polishing pads（2）Center, work Platform（4）Lower section is provided with lowering or hoisting gear（42）, lowering or hoisting gear（42）Output end connecting working table（4）；The motor（3）Top It is connected with L-type bar（5）, L-type bar（5）Erect mast connection motor（3）, L-type bar（5）The horizontal body of rod to polishing pad（2）'s Direction extends and termination position is provided with rack（52）, the L-type bar of the left and right sides（5）The horizontal body of rod to shift to install and thereon Rack（52）Relatively；The door type frame（7）Center is rotatably connected to gear（6）, gear（6）Simultaneously with the left and right sides Rack（52）Engagement；The gear（6）It is additionally provided with the gear device of its rotation of driving（61）.

2. the timber sander of two-sided polishing according to claim 1, it is characterised in that the polishing pad（2）Including top Disk（21）, be fixed on（21）Chassis（22）With protrude from chassis（22）Multiple polishing balls of outer surface（24）, chassis （22）On offer with polishing ball（24）Corresponding mounting hole, the interior ball that is provided with and polishes of mounting hole（24）The installation set to match （23）, installation set（23）End face and chassis（22）End face it is concordant, installation set（23）With ball of polishing（24）Between be provided with compress Spring（25）, installation set（23）Inside it is additionally provided with limited post（231）.

3. the timber sander of two-sided polishing according to claim 1, it is characterised in that the L-type bar（5）The horizontal body of rod On be arranged with maintain its moving stability sliding sleeve（51）, sliding sleeve（51）Pass through sliding sleeve support（511）Connection Door type frame（7）.

4. the timber sander of two-sided polishing according to claim 1, it is characterised in that the lowering or hoisting gear（42）To rise Descending liquid cylinder pressure.

5. the timber sander of two-sided polishing according to claim 1, it is characterised in that the gear device（61） For joystick.

6. the timber sander of two-sided polishing according to claim 5, it is characterised in that joystick termination position is set There is operation handle（611）.