DE202021100510U1 - Planing device with adjustable knife - Google Patents

Abstract

Planing device (100) with a base body (110) with at least one grip device (111) for grasping the base body (110) by hand and with a planar base surface (112) as a support on a workpiece to be machined, with the base surface (112 ) a recess (113) is formed for placing a knife (120) for processing a workpiece, characterized in that the knife (120) is fastened in the region of a lower edge (141) of a carrier (140) close to the base surface (112) , wherein the carrier (140) is designed to cooperate with a lever (130) provided with an eccentric element (131) in order to convey the knife (120) reciprocally in the direction of the base surface (112), and a fixing element (150) is provided is to fix the carrier (140) releasably in a predetermined position.

Description

The invention relates to a planing device with a base body with at least one grip device for grasping the base body by hand and with a flat base surface as a support on a workpiece to be machined, a recess for placing a knife for machining a workpiece being formed in the base surface.

Planing devices of the type mentioned have long been known as standard instruments of the craft in the prior art. The known planing devices, however, have disadvantages with regard to the arrangement and adjustability of the knife.

Among other things, this has the disadvantage that the knife loses its grip when the shear edge is abraded and the shearing quality of the knife is therefore not constant but rather decreases over time.

The object of the invention is therefore to create a planing device in which the possibilities of adjusting the knife are improved compared to the planing devices known from the prior art.

For a planing device of the type mentioned at the outset, this object is achieved according to the invention in that the knife is fastened in the area of a lower edge of a carrier near the base surface, the carrier being designed to interact with a lever provided with an eccentric element in order to achieve the To convey knife reciprocally in the direction of the base surface, and a fixing element is provided to releasably fix the carrier in a predetermined position.

Preferred embodiments of the invention are the subject matter of the subclaims, the elements of which act in the sense of a further improvement of the approach to the solution of the object on which the invention is based.

In the planing device according to the invention, with the aid of the combination of features that the knife is attached in the area of a lower edge of a carrier near the base surface, the carrier being designed to interact with a lever provided with an eccentric element in order to reciprocate the knife in the direction To promote the base surface, and a fixing element is provided to releasably fix the carrier in a predetermined position, achieves that the possibilities of adjusting the knife are improved compared to the planing devices known from the prior art and various work processes with the run the time of consistent quality can be carried out.

In addition, with the help of the planing device according to the invention, certain work processes are made possible which could not be carried out with the help of the planing devices according to the prior art.

According to a first preferred embodiment of the planing device according to the invention, it is provided that the recess for placing the knife is designed as part of an inner chip space of the base body, the chip space being provided with an inner sliding surface arranged at a predetermined angle to the base surface, along which the carrier Is mounted reciprocally displaceable.

The sliding surface is preferably provided with laterally arranged guide strips which form a guide channel within which the carrier is reciprocally supported in the direction of the base surface.

According to an important preferred embodiment of the planing device according to the invention, the carrier is provided with an outer sliding surface adjacent to the inner sliding surface of the chip space of the base body, within which a recess is formed for cooperation with the eccentric element of the lever.

The recess in the sliding surface of the carrier is preferably provided with a curved inner wall that acts as a backdrop along which a curved outer wall of the eccentric element can be displaced in order to reciprocate the carrier and thus the knife in the direction of the base surface.

The recess in the sliding surface of the carrier is typically designed as an elongated hole oriented perpendicular to a longitudinal axis of the carrier and arranged asymmetrically with respect to the longitudinal axis of the carrier.

According to a further preferred embodiment of the planing device according to the invention, the lever can be pivoted within a recess of the sliding surface within a predetermined angular range about an axis of rotation arranged perpendicular to the sliding surface, the circular eccentric element being designed asymmetrically around the axis of rotation and the outer wall of the eccentric element below Adjacent to the inside wall of the recess of the slide surface of the carrier acting as a backdrop and moving a corresponding movement to the carrier when the lever is pivoted in a first direction and in the direction of the base surface when the lever is pivoted into one of the first Direction opposite second direction moves away in the direction of the base surface.

The fixing element is also preferably designed as a panel that can be transferred from a basic position parallel to the carrier, which is also designed as a panel, into a fixing position in which the fixing element is mutually adjacent to the lower edge of the carrier and the lower edge of the fixing element at a predetermined acute angle to the Carrier is arranged. The recess in the carrier can be designed as a correspondingly shaped and in particular elliptical milling.

Furthermore, the fixing element is typically provided with a threaded hole in the area of its upper edge remote from the lower edge of the carrier, within which an adjusting screw is rotatably mounted, whose end face near the carrier adjoins an assigned area in the surface of the carrier, with an angle between the fixing element and Carrier can be preset by appropriate rotation of the adjusting screw provided with a manually operated adjusting knob.

According to another important preferred embodiment of the planing device according to the invention, an elongated hole is formed in a central area of both the carrier and the fixing element, through which a guide pin, which is firmly anchored in the sliding surface of the cavity of the base body and remote from the sliding surface, is provided with a limiting element provided with an abutment surface is performed, whereby setting a relevant angle of the fixing element to the carrier, at which the surface remote from the carrier adjoins the abutment surface of the delimiting element, causes the fixing element to be fixed while fixing the carrier and thus the knife by pressing the carrier against the sliding surface.

When setting an angle of the fixing element to the carrier, at which the surface remote from the carrier adjoins the abutment surface of the delimiting element, the carrier is fixed in relation to the sliding surface of the base body by means of force transmission via the fixing element to the carrier via the adjoining lower edge of the Fixing element to the lower edge of the carrier and with force transmission of the end face of the adjusting screw on the surface of the carrier.

In the area of an upper end of the elongated hole remote from the lower edge of the carrier, a bore can be provided, the diameter of which is larger than the width of the elongated hole and is provided for a passage of the delimiting element of the guide pin.

Furthermore, two or more guide pins are preferably provided in the area of the lower edge of the carrier, which engage in corresponding recesses of the fixing element for the purpose of pre-adjusting the carrier and fixing element when the fixing element is placed parallel to the carrier and each form fixing devices for the knife.

The knife is preferably releasably fixable in the area of the lower edge of the carrier for the purpose of replacement.

• 1 eine bevorzugte Ausführungsform der erfindungsgemäßen Hobel-Vorrichtung in einer Seitenansicht;
• 2 in 1 dargestellte bevorzugte Ausführungsform der erfindungsgemäßen Hobel-Vorrichtung in einer teilweise geöffneten Seitenansicht;
• 3 eine Detailansicht der in den 1 und 2 dargestellten bevorzugten Ausführungsform der erfindungsgemäßen Hobel-Vorrichtung in einem weiter geöffneten Darstellung;
• 4 den Träger der in den obigen Figuren dargestellten bevorzugten Ausführungsform der erfindungsgemäßen Hobel-Vorrichtung in einer Frontalansicht;
• 5 den Träger der in den obigen Figuren dargestellten bevorzugten Ausführungsform der erfindungsgemäßen Hobel-Vorrichtung in einer Explosionsansicht;
• 6 das Fixierelement der in den obigen Figuren dargestellten bevorzugten Ausführungsform der erfindungsgemäßen Hobel-Vorrichtung in einer Sicht auf die dem Träger zugewandte Innenfläche.

The planing device according to the invention is explained below with reference to a preferred embodiment which is shown in the figures of the drawing. It shows:

• 1 a preferred embodiment of the planing device according to the invention in a side view;
• 2 in 1 illustrated preferred embodiment of the planing device according to the invention in a partially opened side view;
• 3 a detailed view of the 1 and 2 illustrated preferred embodiment of the planing device according to the invention in a more open representation;
• 4th the carrier of the preferred embodiment of the planing device according to the invention shown in the above figures in a front view;
• 5 the carrier of the preferred embodiment of the planing device according to the invention shown in the above figures in an exploded view;
• 6th the fixing element of the preferred embodiment of the planing device according to the invention shown in the above figures in a view of the inner surface facing the carrier.

The ones in the 1 to 6th illustrated planing device according to the invention 100 contains a basic body 110 with two handle devices 111 for gripping the main body 110 by hand and has a flat base 112 provided as a support on a workpiece to be machined, in the base area 112 a recess 113 for placing a knife 120 is designed for machining a workpiece.

The knife 120 is in the area of one of the base area 112 near lower edge 141 of a carrier 140 attached, the carrier 140 is designed to be connected to one with an eccentric element 131 provided lever 130 to work together to achieve that knife 120 reciprocable in the direction of the base surface 112 to promote, and a fixing element 150 is provided to the carrier 140 to be fixed releasably in a predetermined position.

The recess 113 for placing the knife 120 is part of an internal chip space 114 of the main body 110 formed, the chip space 114 with a given angle to the base surface 112 arranged inner sliding surface 115 is provided along which the carrier 140 Is mounted reciprocally displaceable.

The sliding surface 115 is each with laterally arranged guide strips 116 which form a guide channel within which the carrier 140 reciprocable in the direction of the base surface 112 is stored conveyable.

The carrier 140 is with one of the inner sliding surface 115 of the chip space 114 of the main body 110 adjacent outer sliding surface 145 provided, within which a recess 146 to interact with the eccentric element 131 of the lever 130 is trained.

The recess 146 in the sliding surface 145 of the wearer 140 has a curved inner wall 147 provided, which acts as a backdrop, along which a curved outer wall 132 of the eccentric element 131 is slidable to the carrier 140 and with it the knife 120 reciprocable in the direction of the base surface 112 to promote.

The recess 146 is in the sliding surface 145 of the wearer 140 than perpendicular to a longitudinal axis of the carrier 140 aligned and thereby asymmetrical with respect to the longitudinal axis of the carrier 140 arranged elliptical milling formed.

The lever 130 is within a well 117 the sliding surface 115 within a predetermined angular range around a perpendicular to the sliding surface 115 arranged axis of rotation 134 pivotable, the circular eccentric element 131 asymmetrical around the axis of rotation 134 is formed around and wherein the outer wall 132 of the eccentric element 131 adjoining the inner wall of the recess, which acts as a backdrop 146 the sliding surface 145 of the wearer 140 and transmitting a corresponding movement to the carrier 140 when pivoting the lever 130 in a first direction towards the base surface 112 too moved and when pivoting the lever 130 in a second direction opposite to the first direction extends in the direction of the base surface 112 moved away.

The fixing element 150 is designed as a panel, which is parallel to the carrier, which is also designed as a panel, from a basic position 140 can be transferred into a fixing position in which the fixing element 150 with mutual abutment of the lower edge of the carrier 140 and the bottom edge 151 of the fixing element 150 at a predetermined acute angle to the carrier 140 is arranged. The recess 146 of the wearer 140 is designed as a correspondingly shaped hole.

The fixing element 150 is in the area of the lower edge of the carrier 140 distant top edge 142 with a threaded hole 143 provided, within which an adjusting screw 144 is rotatably mounted whose the carrier 140 near frontal area 148 to an assigned area 1401 in the surface 1400 of the wearer 140 adjoins, with an angle between fixing element 150 and carrier 140 by corresponding rotation of the manually operated adjusting knob 149 provided adjusting screw 144 can be preset.

In a central area of both the carrier 140 as well as the fixing element 150 is an elongated hole 152 formed by the one in the sliding surface 115 the cavity 114 of the main body 110 firmly anchored and remote from the sliding surface with one with an abutment surface 161 provided limiting element 162 provided guide pin 160 is performed, an adjustment of a relevant angle of the fixing element 150 to the carrier 140 , in which of the carrier 140 distant surface 153 to the abutment surface 161 of the limiting element 162 adjoins, a fixation of the fixing element 150 caused by fixing the carrier and thus the knife by pressing the carrier 140 against the sliding surface 145 causes.

When setting an angle of the fixing element 150 to the carrier 140 , in which of the carrier 140 distant surface 153 to the abutment surface 161 of the limiting element 162 the carrier is fixed 140 in relation to the sliding surface 115 of the main body 110 by means of power transmission via the fixing element 150 on the carrier 140 over the border of the lower edge 151 of the fixing element 150 to the lower edge 141 of the wearer 140 as well as with power transmission from the face 148 the adjusting screw 144 onto the surface of the carrier 140 .

In the area of one of the lower edge 141 of the wearer 140 distant upper end of the elongated hole 152 is a hole 156 provided whose diameter is greater than the width of the elongated hole 152 is dimensioned and for a implementation of the delimitation element 162 of the guide pin 160 is provided.

In the area of the lower edge 141 of the wearer 140 are two guide pins 142 provided for the purpose of pre-adjusting the carrier 140 and fixing element 150 when placing the fixing element 150 parallel to the carrier 140 in corresponding recesses 154 of the fixing element 150 intervene and each form fixing devices for the knife.

The knife 120 is in the area of the lower edge 141 of the wearer 140 releasably fixable for the purpose of replacement.

The exemplary embodiment of the invention explained above only serves the purpose of a better understanding of the teaching according to the invention given by the claims, which as such is not restricted by the exemplary embodiment.

List of reference symbols

100

Planing device

110

Base body

111

Handle device

112

Base surface

113

Recess within the main body

114

inner chip space of the body

115

inner sliding surface of the base body

116

Guide strips of the base body

117

Depression within the sliding surface

120

knife

130

lever

131

Eccentric element

132

Outer wall of the eccentric element

134

Axis of rotation of the lever

140

carrier

1400

Surface of the carrier

1401

Area of the surface of the support

141

lower edge of the carrier

142

Guide pin of the carrier

143

Threaded hole

144

Adjusting screw

145

outer sliding surface of the carrier

146

Recess within the sliding surface of the carrier

147

Inner wall of the recess of the carrier

148

Front face of the adjusting screw

149

Adjusting knob of the adjusting screw

150

Fixing element

151

Lower edge of the fixing element

152

Elongated hole of carrier and fixing device

153

Surface of the fixing element

154

Recess of the fixing element

155

Upper edge of the fixing element

156

Drilling the elongated hole

160

Guide pin for carrier and fixing element

161

Abutment surface of the limiting element

162

Delimiting element

Claims (15)

Planing device (100) with a base body (110) with at least one grip device (111) for grasping the base body (110) by hand and with a planar base surface (112) as a support on a workpiece to be machined, with the base surface (112 ) a recess (113) is formed for placing a knife (120) for processing a workpiece, characterized in that the knife (120) is fastened in the region of a lower edge (141) of a carrier (140) close to the base surface (112) , wherein the carrier (140) is designed to cooperate with a lever (130) provided with an eccentric element (131) in order to convey the knife (120) reciprocally in the direction of the base surface (112), and a fixing element (150) is provided is to fix the carrier (140) releasably in a predetermined position. Planing device (100) after Claim 1 , characterized in that the recess (113) for placing the knife (120) is designed as part of an inner chip space (114) of the base body (110), the chip space (114) being arranged at a predetermined angle to the base surface (112) inner sliding surface (115) is provided, along which the carrier (140) is reciprocally displaceable. Planing device (100) after Claim 2 , characterized in that the inner sliding surface (115) is provided with laterally arranged guide strips (116) which form a guide channel within which the carrier (140) is reciprocally supported in the direction of the base surface (112). Planing device (100) according to one of the Claims 2 or 3 , characterized in that the carrier (140) with one of the inner sliding surface (115) of the chip space (114) of the base body (110) is provided adjacent outer sliding surface (145), within which a recess (146) is formed for cooperation with the eccentric element (131) of the lever (130). Planing device (100) after Claim 4 , characterized in that the recess (146) in the sliding surface (145) of the carrier (140) is provided with a curved inner wall (147) which acts as a backdrop along which a curved outer wall (132) of the eccentric element (131) ) is displaceable in order to convey the carrier (140) and thus the knife (120) reciprocally in the direction of the base surface (112). Planing device (100) after Claim 5 , characterized in that the recess (146) in the sliding surface (145) of the carrier (140) is designed as an elongated hole oriented perpendicular to a longitudinal axis of the carrier (140) and asymmetrically arranged with respect to the longitudinal axis of the carrier (140). Planing device (100) according to one of the Claims 5 or 6th , characterized in that the lever (130) can be pivoted within a recess (117) of the sliding surface (115) within a predetermined angular range about an axis of rotation (134) arranged perpendicular to the sliding surface (115), the circular eccentric element (131) being asymmetrical the axis of rotation (134) is formed around and the outer wall (132) of the eccentric element (131) adjoining the inner wall of the recess (146) of the sliding surface (145) of the carrier (140), which acts as a backdrop, and transmitting a corresponding movement the carrier (140) moves towards the base surface (112) when the lever (130) is pivoted in a first direction and moves away from the base surface (112) when the lever (130) is pivoted in a second direction opposite to the first direction. 112) moved away. Planing device (100) according to one of the Claims 4 to 7th , characterized in that the recess (146) of the carrier (140) is designed as a correspondingly shaped elliptical shaped milling. Planing device (100) according to one of the preceding claims, characterized in that the fixing element (150) is designed as a panel which can be transferred from a basic position parallel to the carrier (140), which is also designed as a panel, into a fixing position in which the Fixing element (150) is arranged at a predetermined acute angle to the carrier (140) with mutual adjoining of the lower edge (141) of the carrier (140) and the lower edge (151) of the fixing element (150). Planing device (100) according to one of the Claims 8 or 9 , characterized in that the fixing element (150) is provided in the region of its upper edge (155) remote from the lower edge (141) of the carrier (140) with a threaded bore (143) within which an adjusting screw (144) is rotatably mounted, the the end face (148) close to the carrier (140) adjoins an associated area (1401) in the surface (1400) of the carrier (140), an angle between the fixing element (150) and the carrier (140) being formed by corresponding rotation of the with one of Hand-operated adjusting knob (149) provided adjusting screw (144) can be preset. Planing device (100) after Claim 10 , characterized in that in a central area of both the carrier (140) and the fixing element (150) an elongated hole (152) is formed through which a fixed in the sliding surface (115) of the chip space (114) of the base body (110) guide pin (160) anchored and remote from the sliding surface with a limiting element (162) provided with an abutment surface, a setting of a relevant angle of the fixing element (150) to the carrier (140), at which its surface (153 ) adjoins the abutment surface (161) of the delimiting element (162), causes the fixing element (150) to be fixed while fixing the carrier and thus the knife by pressing the carrier (140) against the sliding surface (145). Planing device (100) according to one of the Claims 10 or 11 , characterized in that when an angle of the fixing element (150) to the carrier (140) is set, at which the surface (153) remote from the carrier (140) adjoins the abutment surface (161) of the delimiting element (162), the Carrier (140) in relation to the sliding surface (115) of the base body (110) by means of force transmission via the fixing element (150) to the carrier (140) via the abutment of the lower edge (151) of the fixing element (150) on the lower edge (141) of the carrier (140) and with force transmission from the end face of the (148) adjusting screw (144) to the surface of the carrier (140). Planing device (100) according to one of the Claims 11 or 12th , characterized in that in the area of one of the lower edge of the carrier (140) distant upper end of the elongated hole (152) a bore (156) is provided, the diameter of which is larger than the width of the elongated hole (152) and for a passage of the delimiting element (162) of the guide pin (160) is provided. Planing device (100) according to one of the preceding claims, characterized in that in the area of the lower edge (141) of the Carrier (140) two guide pins (142) are provided which, for the purpose of pre-adjusting the carrier (140) and fixing element (150) when the fixing element (150) is placed parallel to the carrier (140) in corresponding recesses (154) of the fixing element (150 ) intervene and each form fixing devices for the knife. Planing device (100) according to one of the preceding claims, characterized in that the knife (120) can be releasably fixed in the area of the lower edge (141) of the carrier (140) for the purpose of replacement.

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