DE20219977U1 - Multi-purpose woodworking power tool bench has central aperture with surrounding radial slots - Google Patents

Abstract

A multi-purpose woodworking power tool bench has a flat top with a centrally sub-mounted electric motor directed upwards through a central aperture. The bench top has a number of slots (12) arranged radially around the central aperture (11). The slots accommodate bolt (13) fittings which secure the sub-surface motor. The bench further has a side-mounted L-shaped guide rail (2).

Description

Optimization of the design of lathe bench

Scope of the invention

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The present invention relates to a practical design of the planing bench with improved performance and precision in wood processing, in which the working motors of different types are easily adaptable and interchangeable. In addition, the invention provides a guide rod connected to the side holders, which is provided with a chip collection hood in the setting area in order to keep the work area clean and undisturbed.

Background of the invention

The optimization relates to a design that, in addition to the processing precision, makes it possible to collect wood chips in parallel. The interchangeability of motors with different power ratings is particularly practical, as this means the invention can be largely adapted to the needs of different workpieces.

The conventional planing bench often has the following disadvantages:

1. The individual machines are designed to be "format-fixed": Small-format machines are equipped with smaller motors and smaller cutting sets and can therefore only process workpieces of smaller formats; the opposite is true for large-format machines.

2. Although there is a stop bar on the bench top for positioning the workpiece, there are no suction devices for wood chips, which constantly disrupt the work.

Object of the invention

1. The invention is based on the object of making motors of different diameters together with the corresponding cutting sets for the lathe bench easily interchangeable so that the latter can be used in a wider variety of ways.

2. The side holders are to be mounted together with a guide rod into which a passage opening or a chip collection hood is integrated in order, among other things, to keep work waste as far away from the work area as possible.

Detailed description of the implementation examples

Figure 1 shows a perspective exploded view of the invention with additional parts. Figure 2 shows an exploded view of the construction of the motor unit. Figure 3 shows a summary sectional view of the invention. Figure 4 shows a surface view of the bench plate with marking of different variations of the motor diameters (broken lines).

The work table (1) consists of the motor (26), the cutting unit (28) or the bench plate (10). The latter is provided with a motor opening (11) through which the cutting unit (28) can be mounted on the motor underneath. A stop bar (9) and two side holders (10) are designed for positioning the workpiece. To the side of the motor opening (11), mounting slots (12) are provided in a radial direction for installing motors, through which different fastening screws (13) are connected to the flange block (27) of the corresponding motor as required. The fastening screw (13) first pulls the locking clamp (20) towards itself through an intermediate nut (22), which in turn is provided with a locking hole (21). Next, the fastening screw goes through the counter clamp (23), the notch (24) of which can be inserted into the locking hole (21). The counter clamp

(23) is attached using a wing nut (25); in this form, its inner side rests firmly against the false block (27) of the motor (26), the pressure of which is transferred via the counter clamp and locking clamp to the bench plate (10), thus stabilizing it. There are also two parallel slotted sliding rails (14) on the bench plate (10), through which the L-shaped guide rod (2) can be practically integrated with the bench plate (10) using the hand screws (7). Directly opposite the cutting unit, the guide rod (2) has a passage opening (3), over which a deflector plate (4) is attached to prevent wood chips from circulating upwards. The two side holders (5) are attached to the inside of the guide rod (2) using the slotted screws (7); on the outside of the guide rod (2) the chip hood (6) is attached using the screw set (8). A suction hose can be connected to the chip hood (6) to extract wood chips. In summary, the present invention offers the following advantages when used:

The stop bar (9) and the side holders (5) ensure precise and uncomplicated processing of the workpiece on the cutting unit (28). Thanks to the chip collection hood (6), contamination and permanent disruption of the work area by wood waste is avoided.

The design of the slotted sliding rails (14) with scale pointer at the base of the guide bar (2) offers different workpieces the possibility of precisely regulating their distance to the cutting unit (28) as required.

The particular utility of the invention lies in the interchangeability of the motors (26) of different sizes together with the corresponding cutting units (28). By slightly loosening the nut (22) and (25) from the fastening screw (13), the counter clamp (23) is simultaneously released from the motor (26) in order to dismantle the latter. To install a motor of a different size, the screws (13) with the additional parts (20) to (24) are inserted into the intended position on the mounting slots (12).

so that the locking clamp (24) can be adjusted precisely to the flange bracket (27) of the installed motor. This process is so simple that it can be carried out by normal factory personnel.

The design of mounting slots has made it possible to use a lathe bench in a variety of ways. This allows the company to save on both operating costs and space that would be incurred by purchasing multiple wood lathes or benches of different sizes.

Claims (2)

1. The present invention relates to a practical optimization of the design of the planing bench, which essentially consists of the motor, the cutting unit and the bench plate. The motor opening on the bench plate serves the purpose of installing the motor or attaching the cutting unit to the motor axis. The cutting unit is above the bench plate, which is provided with a stop bar in the transverse direction and a side holder in the longitudinal direction so that the workpiece can be positioned stably for cutting. This design is characterized by the fact that several mounting slots in the radial direction and in the form of a rail are designed to install the working motor on the side of the round motor opening. A sliding screw and clamp set with a lock and lock function ensures that different motors are securely attached below the bench plate, with the cutting unit always being centrally located in the motor opening. Using this design, motors of different types can be exchanged quickly and safely, making the same planing bench suitable for processing workpieces of different sizes. 2. The optimization of the design of the planing bench according to claim 1 is characterized in that two slotted sliding rails are designed in the longitudinal direction of the bench top, which are parallel to one another, through which the L-shaped guide rail can be integrated with the bench top using hand screws. A passage opening is positioned on the guide rail directly opposite the cutting unit, above which a deflection plate is attached to prevent wood chips from circulating upwards. The side holders are attached to the inside of the guide rail with slotted screws; the chip hood is attached to the outside with screws. A suction hose can be connected to the chip hood to suck up wood chips.