Hood of electric grinding machine

Abstract

The utility model provides an electric grinding machine hood, which belongs to the technical field of machining equipment, aims to solve the problem that a grinding machine protective hood is insufficient in dust blocking effect, and comprises a hood body, the hood body is a hollow cylindrical shell with a notch, mounting grooves are formed in two sides of the notch end of the hood body, and length compensation boxes are mounted in the mounting grooves. The length supplementing box extends in front of the notch of the cover body and is connected with the cover body through a bolt, the inner box is slidably connected into the length supplementing box, the dust collecting space at the notch of the cover body is prolonged, and meanwhile the polishing position is not affected.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of machining equipment, more specifically, especially relate to a motorized grinder cover. BACKGROUND

[0002] The grinder is a commonly used grinding tool, and is widely used in metal processing, wood processing and stone processing fields. It realizes the grinding, cutting or polishing of workpieces through the high-speed rotating grinding wheel installed thereon, and a protective cover is arranged on the grinding wheel. The protective cover has a gap for blocking dust during the grinding process of the grinding wheel. However, since the gap of the protective cover is only in contact with the grinding wheel during grinding, some debris will be scattered in the tangential direction under the friction of the high-speed rotating grinding wheel, and will fall on the platform, which is not easy to clean, and the dust blocking effect of the protective cover is insufficient.

[0003] Therefore, in view of the above, the existing structure and defects are improved, and a motorized grinder cover is provided to achieve a more practical purpose. INVENTION CONTENTS

[0004] In order to solve the above technical problems, the utility model provides a motorized grinder cover to solve the problem of insufficient dust blocking effect of the protective cover of the grinder.

[0005] The purpose and effect of the motorized grinder cover are achieved by the following specific technical means:

[0006] A motorized grinder cover, comprising a cover body, the cover body is a hollow cylindrical shell with a gap, both sides of the gap end of the cover body are provided with mounting grooves, a lengthening box is mounted in the mounting grooves, the lengthening box extends in front of the gap of the cover body, the lengthening box is connected with the cover body by bolts, and an inner box is slidably connected in the lengthening box.

[0007] Further, a bolt is provided on the lengthening box, the bolt is threadedly connected with the cover body, a sliding ring is arranged between the lengthening box and the bolt, and a knob is connected with the outer end of the bolt.

[0008] Further, the inner box is provided with sliding shafts on both sides, sliding grooves are formed in the two side walls of the lengthening box along the outlet direction, and the sliding shafts are clamped in the corresponding sliding grooves.

[0009] Further, a through hole is formed in the sliding shaft, a clamping head is slidably arranged in the through hole, the clamping head is connected with the inner box by a spring, a lock hole penetrating through the lengthening box is formed in the sliding groove near the outlet end, and the clamping head is matched with the lock hole.

[0010] Further, the inner box is provided with two sliding shafts on one side, a clamping head is slidably arranged in one of the sliding shafts, and two sliding grooves are correspondingly arranged in the side wall of the inner box.

[0011] Compared with the prior art, the electric grinder cover has the following beneficial effects:

[0012] Through the setting of the lengthening box, the space for collecting dust at the gap of the cover body is lengthened, meanwhile, the polishing position is not affected, and meanwhile, the lengthening box is detachably arranged in the mounting groove at the gap, does not occupy space, and is suitable for the grinding wheel in different directions of forward rotation and reverse rotation. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a perspective view of the electric grinder cover.

[0014] Figure 2 is an exploded view of the electric grinder cover.

[0015] In the drawings, the correspondence between the component names and the drawing numbers is as follows:

[0016] 1, cover body; 2, mounting groove; 3, lengthening box; 4, connecting hole; 5, knob; 6, inner box; 7, sliding groove; 8, sliding shaft; 9, clamping head; 10, spring; 11, lock hole; 501, bolt; 502, slip ring. DETAILED DESCRIPTION

[0017] The embodiments of the present application will be further described in detail below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0018] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0020] Embodiment:

[0021] As shown in the accompanying drawings Figure 1 to the accompanying Figure 2 drawings:

[0022] The utility model provides a kind of electric grinding machine cover, including cover body 1, cover body 1 is hollow cylindrical shell with notch, sand wheel rotating shaft is arranged in the middle part of cover body 1, sand wheel is installed inside, installation slot 2 is set in both sides of the notch end of cover body 1, lengthening box 3 is installed in installation slot 2, the space occupation of lengthening box 3 is reduced by the setting of installation slot 2, and overall thickness is reduced;

[0023] Lengthening box 3 extends in front of the notch of cover body 1, in the process that sand wheel polishes workpiece, the debris that can be blocked and collected by lengthening box 3 along the tangential direction of polishing position splashes, debris dust can be collected in lengthening box 3 without polluting environment;

[0024] Meanwhile, bolt 501 is arranged on lengthening box 3, bolt 501 is threadedly connected with cover body 1, connecting hole 4 is arranged in installation slot 2, sliding ring 502 is arranged between lengthening box 3 and bolt 501, knob 5 is connected to the outer end of bolt 501, lengthening box 3 is connected with cover body 1 by bolt 501, bolt 501 is screwed into connecting hole 4, and the detachable setting makes that lengthening box 3 can be installed in any installation slot 2 according to the rotation direction of sand wheel, the setting of sliding ring 502 makes that bolt 501 can adjust the swing position of lengthening box 3 before tightening, and knob 5 is then abutted to lengthening box 3 after screwing bolt 501, so that it is fixed, and the setting of knob 5 is better operated.

[0025] In addition, inner box 6 is slidably connected in lengthening box 3, sliding shaft 8 is arranged on both sides of inner box 6, sliding groove 7 is arranged on both side walls of lengthening box 3 along the outlet direction thereof, and sliding shaft 8 is clamped in corresponding sliding groove 7, in the embodiment, two sliding shafts 8 are arranged on one side of inner box 6, two sliding grooves 7 are arranged in the inner wall of lengthening box 3, and inner box 6 can slide out of lengthening box 3, to extend the position of lengthening box 3 for receiving waste chips.

[0026] In order to fix the position of inner box 6, through hole is arranged in one of sliding shafts 8, clamp head 9 is slidably arranged in the through hole, clamp head 9 is connected with inner box 6 by spring 10, lock hole 11 is arranged in sliding groove 7, and lock hole 11 penetrates lengthening box 3, clamp head 9 is matched with lock hole 11, when inner box 6 slides to a certain position, clamp head 9 is clamped in lock hole 11 by the pushing of spring 10, so that the position of inner box 6 is fixed, since lock hole 11 penetrates lengthening box 3, inner box 6 can be pushed back into lengthening box 3 by pressing clamp head 9 into lock hole 11 from the outside.

[0027] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to thereby enable others skilled in the art to best utilize the present application with various modifications as are suited to the particular use contemplated.

Claims

1. A cover for an electric grinding machine, characterized in that: Includes a cover body (1), which is a hollow cylindrical shell with a notch. There are mounting grooves (2) on both sides of the notch end. An extension box (3) is installed in the mounting groove (2). The extension box (3) extends in front of the notch of the cover body (1). The extension box (3) is connected to the cover body (1) by bolts (501). An inner box (6) is slidably connected inside the extension box (3).

2. The electric grinding machine cover as described in claim 1, characterized in that: The extension box (3) is provided with a bolt (501), which is threaded to the cover body (1). A slip ring (502) is engaged between the extension box (3) and the bolt (501), and a knob (5) is connected to the outer end of the bolt (501).

3. The electric grinding machine cover as described in claim 1, characterized in that: The inner box (6) is provided with sliding shafts (8) on both sides, and the extension box (3) has sliding grooves (7) on both sides along its outlet direction. The sliding shafts (8) are engaged in the corresponding sliding grooves (7).

4. The electric grinding machine cover as described in claim 3, characterized in that: A through hole is provided in the sliding shaft (8), and a locking head (9) is slidably disposed in the through hole. The locking head (9) is connected to the inner box (6) by a spring (10). A locking hole (11) is provided in the sliding groove (7) near the outlet end, which penetrates the extension box (3). The locking head (9) matches the locking hole (11).

5. The electric grinding wheel machine cover as described in claim 4, characterized in that: The inner box (6) has two sliding shafts (8) on one side, with a locking head (9) slidably disposed in one of the sliding shafts (8), and two sliding grooves (7) correspondingly disposed on the side wall of the inner box (6).

Images