CN211805539U - Safe improved speed-regulating grinder - Google Patents

Abstract

The utility model discloses a safe improved speed-regulating grinder, which comprises a base and a speed regulator, wherein the base is provided with a motor, an output shaft of the motor is provided with a grinding wheel, a protective cover is sleeved outside the grinding wheel and fixed on a shell of the motor, the motor is electrically connected with the speed regulator, and the speed regulator is arranged on the base; the fixing frames are arranged on two sides of the base, the brackets are detachably mounted on the fixing frames, and the brackets are directly connected with the base, so that the structure is more stable; an adjustable eye protection mechanism is arranged on the upper side of the opening end of the protective cover; used for preventing sparks from splashing and hurting operators.

Description

Safe improved speed-regulating grinder

Technical Field

The utility model relates to a grinder especially relates to a safe improved generation speed governing grinder.

Background

The grinder is a common device used for sharpening various cutters and tools and also used for grinding, deburring, cleaning and other works of common small parts, mainly comprises a base, a grinding wheel, a motor or other power sources, a bracket, a protective cover, a water feeder and the like, and can be divided into a handheld grinder, a vertical grinder, a suspended grinder, a bench grinder and the like; the grinder is a machining grinding tool and is applied to a plurality of industries; for example, in the machining process, the cutter is worn and becomes dull or damaged and loses the cutting capability, and the cutter needs to be sharpened on a grinding wheel to restore the cutting capability.

Patent application No. CN201621062191.5 discloses a safe and efficient speed-regulating grinder, which comprises a workbench, wherein a motor is arranged on one side of the workbench, a first step pulley is arranged on one side of the motor, a V-belt is arranged on one side of the first step pulley, a second step pulley is arranged on one side of the V-belt, a first bearing seat is arranged on one side of the second step pulley, a main shaft is arranged on one side of the first bearing seat, a second bearing seat is arranged on one side of the main shaft, a positioning disc is arranged on one side of the second bearing seat, a cushion pad is arranged on one side of the positioning disc, a grinding wheel is arranged on one side of the cushion pad, a locking nut is arranged on one side of the grinding wheel, a control panel is arranged on one side of the locking nut, the speed-changing grinder is specially designed for cleaning grinding parts in a workshop of a foundry, the contradiction between the difficulty in replacing, not only ensures the safety, but also improves the labor efficiency and reduces the cost; the V-belt and the grinding wheel of the conventional grinding machine are frequently replaced, the production cost is high, and the work efficiency is influenced by replacing the V-belt.

Disclosure of Invention

An object of the utility model is to the not enough of above-mentioned prior art, provide a safe improved generation speed governing abrasive machine, come to carry out the adjustment of speed to the motor through the adjuster that sets up in the base, subtracted this consumables of V-belt, reduced manufacturing cost, after the emery wheel wearing and tearing diminish, the rotational speed of emery wheel is adjusted to the accessible compensates the machining efficiency that the wearing and tearing of emery wheel descend.

The utility model adopts the technical scheme as follows: the utility model provides a safe improved generation speed governing abrasive machine, includes base and speed regulator, installs the motor on the base, and the emery wheel is installed to the output shaft of this motor, and the emery wheel overcoat is equipped with the protection casing, and the protection casing is fixed on the casing of motor, motor and speed regulator electric connection, this speed regulator are installed on the base.

The utility model discloses a theory of operation does: the utility model discloses a motor is connected with the speed regulator, adjusts the rotational speed of emery wheel through the speed regulator, the emery wheel is provided with the protection casing, and the upper open end of this protection casing is provided with but swing/flexible adjustable eyeshield mechanism of adjusting, and this adjustable eyeshield mechanism passes through the spout on the L type connecting piece and the engaging lug bolted connection of first connecting piece, when the bolt is tighter, can go up, swing down, when position around needs change, can loosen the bolt, the purpose is realized with the position of spout to the bolt hole of adjusting the engaging lug, the under shed end of protection casing is provided with the bracket, and this bracket passes through mount and pedestal connection, the bracket adjusts the level of bracket through elasticity adjustable ring bolt.

Furthermore, the two sides of the base are provided with fixing frames, the fixing frames are detachably provided with brackets, and the brackets are directly connected with the base, so that the structure is more stable.

Furthermore, an adjustable eye protection mechanism is arranged on the upper side of the opening end of the protective cover; used for preventing sparks from splashing and hurting operators.

Furthermore, the adjustable eye protection mechanism comprises an eye protection transparent plate, an L-shaped connecting piece and a first connecting piece, wherein two slotted holes are formed in the first connecting piece, and a connecting lug is arranged on one side of the first connecting piece; the short edge of the L-shaped connecting piece is provided with a screw hole, and the long edge is provided with a sliding groove; the eyeshield transparent plate is the convex plate, and the chimb is opened there is the connecting hole, first connecting piece passes through slotted hole and the connection edge of safety cover upside along bolted connection, engaging lug and spout bolted connection, the screw hole aligns L type connecting piece and eyeshield transparent plate screwed connection with the connecting hole, and this mechanism can use the engaging lug as the center, is arc circuit swing regulation, also can change curved radius through the spout, adjusts to the emery wheel removal.

Furthermore, one end of the fixed frame is provided with an adjusting ring bolt which fixes the support rod below the bracket; the height of the bracket is adjusted by adjusting the tightness of the ring bolt.

Furthermore, the protective cover consists of a fan-shaped box body and fan-shaped blocks, and the fan-shaped box body is connected with the fan-shaped blocks through fixing bolts; the grinding wheel locking nut can be taken down by loosening the fixing bolt to take the sector block down, the grinding wheel is taken down and replaced, and the operation is rapid.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model solves the problems that the V-belt and the grinding wheel of the prior grinder are frequently replaced, the production cost is high, the speed is changed by arranging a mechanical mechanism, only the grinding wheel needs to be replaced, and the protective cover outside the grinding wheel is fixed by three bolts in a closed manner, the appearance of the grinding wheel can be displayed by only loosening the three bolts when the grinding wheel is replaced, the grinding wheel can be taken out by taking down the locking nut on the grinding wheel, the replacement is convenient and fast, other parts do not need to be disassembled, and the replacement efficiency is improved; the setting of adjustable eyeshield mechanism not only can keep off some dust and the spark that splashes, still has certain protection to glasses, makes the security higher.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic left side view of the structure of FIG. 1;

FIG. 3 is a schematic view of a first connector configuration;

FIG. 4 is a schematic view of an L-shaped connector structure;

fig. 5 is a schematic view of an eye-protecting transparent plate;

labeled as: 1-base, 2-speed regulator, 3-grinding wheel, 4-protective cover, 5-fixed frame, 6-bracket, 7-adjustable eye-protecting mechanism, 8-article placing box, 9-motor, 41-fixed bolt, 51-adjustable ring bolt, 71-eye-protecting transparent plate, 72-L-shaped connecting piece, 73-first connecting piece, 731-slotted hole, 732-connecting lug, 721-sliding groove, 722-screw hole and 711-connecting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-5, a safe and improved speed-regulating grinder comprises a base 1 and a speed regulator 2, wherein a motor 9 is installed on the base 1, a grinding wheel 3 is installed on an output shaft of the motor 9, a protective cover 4 is sleeved outside the grinding wheel 3, the protective cover 4 is fixed on a shell of the motor 9, the motor 9 is electrically connected with the speed regulator 2, and the speed regulator 2 is installed on the base 1.

The utility model discloses a theory of operation does: the utility model discloses a motor 9 is connected with speed regulator 2, adjusts the rotational speed of emery wheel 3 through speed regulator 2, emery wheel 3 is provided with protection casing 4, and the upper end of this protection casing 4 is provided with can swing/flexible regulation adjustable eyeshield mechanism 7, and this adjustable eyeshield mechanism 7 passes through spout 721 on L type connecting piece 72 and the engaging lug 732 bolted connection of first connecting piece 73, when the bolt is tighter, can swing upper and lower manually, when position around needs change, can loosen the bolt, and the bolt hole of manual regulation engaging lug 732 and the position of spout 721 realize the purpose, the lower open end of protection casing 4 is provided with bracket 6, and this bracket 6 is connected with base 1 through mount 5, bracket 6 adjusts bracket 6's level through elasticity adjusting ring bolt 51.

Example 2

On the basis of embodiment 1, both sides of base 1 are provided with mount 5, and this mount 5 demountable installation has bracket 6, and bracket 6 is direct to be connected with base 1, makes the structure more stable.

Example 3

On the basis of the embodiment 2, an adjustable eye protection mechanism 7 is arranged on the upper side of the opening end of the protective cover 4; used for preventing sparks from splashing and hurting operators.

Example 4

On the basis of embodiment 3, the adjustable eye protection mechanism 7 comprises an eye protection transparent plate 71, an L-shaped connecting piece 72 and a first connecting piece 73, wherein the first connecting piece 73 is provided with two slotted holes 731, and one side of the first connecting piece 73 is provided with a connecting lug 732; the short side of the L-shaped connecting piece 72 is provided with a screw hole 722, and the long side is provided with a sliding chute 721; the eye protection transparent plate 71 is a convex plate, a connecting hole 711 is formed in the convex edge, the first connecting piece 73 is in bolt connection with the connecting edge of the upper side of the protective cover 4 through a slotted hole 731, the connecting lug 732 is in bolt connection with the sliding groove 721, the screw holes 722 are aligned with the connecting hole 711, the L-shaped connecting piece 72 is in screw connection with the eye protection transparent plate 71, the mechanism can be adjusted by swinging an arc line by taking the connecting lug 732 as a center, and the arc radius can be changed through the sliding groove 721 to move and adjust the grinding wheel 3.

Example 5

On the basis of embodiment 2, one end of the fixing frame 5 is provided with an adjusting ring bolt 51, and the adjusting ring bolt 51 fixes the support rod under the bracket 6; the height of the bracket 6 is manually adjusted by adjusting the tightness of the ring bolt 51.

Example 6

On the basis of any one of embodiments 1 to 5, the protective cover 4 consists of a fan-shaped box body and fan-shaped blocks, and the fan-shaped box body and the fan-shaped blocks are connected through fixing bolts 41; dismantle when conveniently changing emery wheel 3, need not to demolish other parts, only need loosen fixing bolt 41 and take off the segment, can take off the lock nut of emery wheel, take off emery wheel 3 that the renewal was changed, the operation is swift.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a safe improved generation speed governing abrasive machine, includes base (1) and speed regulator (2), installs motor (9) on base (1), and emery wheel (3) are installed to the output shaft of this motor (9), and emery wheel (3) overcoat is equipped with protection casing (4), and protection casing (4) are fixed on the casing of motor (9), its characterized in that, motor (9) and speed regulator (2) electric connection.

2. A safety improved speed governing grinder as claimed in claim 1, characterized in that the base (1) is provided with a fixing frame (5) on both sides, the fixing frame (5) being detachably mounted with a bracket (6).

3. The improved speed-regulating grinder as claimed in claim 2, wherein the upper side of the open end of the protective cover (4) is provided with an adjustable eye-protecting mechanism (7).

4. The improved speed-regulating grinder as claimed in claim 3, wherein the adjustable eye-protecting mechanism (7) comprises an eye-protecting transparent plate (71), an L-shaped connecting piece (72) and a first connecting piece (73), the first connecting piece (73) is provided with two slotted holes (731), and one side of the first connecting piece is provided with a connecting lug (732); the short edge of the L-shaped connecting piece (72) is provided with a screw hole (722), and the long edge is provided with a sliding groove (721); the eye-protecting transparent plate (71) is a convex plate, a connecting hole (711) is formed in the convex edge, the first connecting piece (73) is connected with the connecting edge of the upper side of the protective cover (4) through a slotted hole (731) in a bolted mode, the connecting lug (732) is connected with the sliding groove (721) in a bolted mode, and the L-shaped connecting piece (72) is connected with the eye-protecting transparent plate (71) in a screwed mode by aligning the screw hole (722) with the connecting hole (711).

5. The improved speed-regulating grinder as claimed in claim 2, wherein the fixing frame (5) is provided at one end with an adjusting ring bolt (51), and the adjusting ring bolt (51) fixes the support rod under the bracket (6).

6. A safety and improved speed governing grinder as claimed in any one of claims 1-5, characterized by that, the shield (4) is composed of a fan-shaped case and a fan-shaped block, the fan-shaped case and the fan-shaped block are connected by a fixing bolt (41).

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