CN2228513Y - Groove milling machine for brick wall - Google Patents

Abstract

The utility model relates to a groove milling machine for brick walls, which mills grooves on walls instead of manual tools. The utility model comprises a double-insulation structure, a front handle, a back handle, a single-phase series machine and a three-stage retarding mechanism, wherein a working head of the utility model is provided with a circular cutter, a positioning bottom plate and a safety protection dust exhaust device, wherein hard alloy is embedded on the circular cutter; the positioning bottom plate is used for adjusting milling and cutting groove depth. Compared with manual tools, the utility model has the characteristics that the labor intensity of operators is low; the work efficiency is high; the quality of grooves milled on walls is ensured; the utility model is favorable to labor protection of operators. The utility model is used for building industry.

Description

The brick wall ditching machine

The utility model belongs to a kind of building electric tools, particularly a kind of hand-held brick wall ditching machine that is used for interior decoration.

At present, the domestic construction industry is being carried out indoorly when burying water, electricity, gas flue underground, all adopts the pre-buried method within the walls of conduit.This method exists following weak point, when the design carelessness, when perhaps artificial needs are set up water, electricity, gas flue, just has to set up water, electricity, the gas flue that exposes outside the wall, has so just influenced indoor attractive in appearance.In order to address this problem, common way is that instrument is dug groove on wall by hand, is used for burying underground water, electricity, gas flue, to reach indoor effect attractive in appearance.But this way is for the operator, and it is big to exist labour intensity, and efficient is low, and dust easily sucks in the lung, and eyes are gone into by fragment Workflow, are unfavorable for the weak point of labour protection.

Task of the present utility model is that a kind of electric tools that replaces hand tool to dig groove on wall will be provided, i.e. brick wall ditching machine, and it can effectively reduce operator's labour intensity, raises labour efficiency, and helps operator's labour protection.

Task of the present utility model is finished in the following way: this brick wall ditching machine has the double insulation structure, the front and back handle grips for the operator, import external power supply to single-phase series motor by power control system, the single-phase series motor power output is through three grades of reducing gears, and the circular peripheral-mill that drives the carbide inserts on the working head is used to cut brick wall.

The utility model is owing to adopted motor machine to replace hand tool, not only reduced operator's labour intensity, and gash depth, width from the cutting wall have quality assurance, and can raise labour efficiency greatly, particularly by the safe dust guard on the utility model, operator's personal safety has had guarantee.The utility model is particularly suitable for building trade and uses.

Description of drawings:

Fig. 1 is the structural representation of brick wall ditching machine.Wherein (1) represents positioning plate; (2) expression screw; (3) expression screw; (4) expression screw; (5) expression front hand grip; (6) expression head capsule; (7) expression screw; (8) expression bearing; (9) expression II level master gear; (10) expression I level driven gear; (11) expression bearing; (12) expression casing; (13) expression screw; (14) expression back handle lid; (15) expression screw; (16) expression switch; (17) Biao Shi Hou handles; (18) expression electric capacity TVS; (19) expression cable pressing plate; (20) expression screw; (21) expression cable plug; (22) expression cable cover(ing); (23) expression security protection dust exhaust apparatus.

Fig. 2 is the structural representation of security protection dust exhaust apparatus.Wherein pad is adjusted in (24) expression; (25) expression screw; (26) expression protective cover; (27) expression screw; (28) expression protective cover cover plate; (29) expression screw; (30) expression circular peripheral-mill; (31) expression vacuum cleaner hose joint.

Fig. 3 is the structural representation of motor.Wherein (32) represent motor; (33) expression screw; (34) expression I level driving gear; (35) expression bearing; (36) expression pin; (37) expression screw; (38) expression middle cover; (39) expression O-ring seals; (40) expression motor bearings lid; (41) expression fan; (42) expression verge board; (43) expression screw; (44) expression stator; (45) expression rotor; (46) expression brush holder; (47) expression brush assembly; (48) expression brush lid; (49) expression inductance TVS; (50) expression balance weight; (51) expression bearing insert; (52) expression bearing.

Fig. 4 is the structural representation of head capsule.Wherein (53) represent blind nut; (54) expression small conical gear; (55) expression bearing; (56) expression bearing; (57) expression screw; (58) expression II level driven gear; (59) expression stopping shim; (60) expression screw; (61) expression key; (62) expression head capsule bearing cover.

Fig. 5 is the structural representation of working head.Wherein (63) represent O-ring seals; (64) expression bearing; (65) expression union (screwed)bonnet (UB; (66) expression large conical gear; (67) expression clamp nut; (68) expression bearing; (69) expression output shaft; (70) expression key; (71) expression working head.

Fig. 6 is the structural representation of circular peripheral-mill.Wherein (72) represent cutter hub; (73) expression cutter hub; (74) expression alignment pin; (75) expression blade.

Below in conjunction with accompanying drawing, the utility model is described in further detail by embodiment.

The grip portions of brick wall ditching machine is made up of front hand grip (5) and back handle (17).Front hand grip (5) is separately fixed on protective cover (26) and the head capsule (6) with screw (3), screw (4).Back handle (17) is provided with back handle lid (14), and back handle lid (14) is fixed on the back handle (17) by screw (15).Power control system is made up of switch (16), cable plug (21), cable cover(ing) (22).Cable plug (21) is fixed on the back handle (17) by cable pressing plate (19) and screw (20).Switch (16), electric capacity TVS (18) are also by being contained on the back handle (17) with back handle lid (14) combination.Back handle (17) is fixed on the single-phase series motor (32) with screw (13).

Middle cover (38) on the single-phase series motor (32) is fixed on the motor case (12) by screw (33).The output of rotor (45) is equipped with I level driving gear (34).Bearing (35) is contained on the middle cover (38), and it and bearing (52) play rotor (45) positioning action.Pin (36) on the middle cover (38) plays and head capsule (6) positioning action.Motor bearings lid (40) is fixed on the middle cover (38) with screw (37), and is moving with the string that prevents bearing (35).In the motor bearings lid (40) O-ring seals (39) is set, plays the oil sealing dustproof effect.Fan (41) is contained on the armature spindle.Verge board (42) is fixed on the motor case (12) with screw (43) with stator (44).Be provided with brush holder (46) on casing (12), brush assembly (47) is housed in brush holder (46), brush assembly (47) is located with brush holder (46) and brush lid (48).Balance weight (50) is housed on rotor (45), for proofreading and correct rotor (45) dynamic equilibrium usefulness, but this part also can, proofread and correct dynamic equilibrium and also can change rotor sheet into and go heavily.Inductance TVS (49) is housed on casing (12).At bearing (52) cylindrical bearing insert (51) is housed, to guarantee the positioning accuracy of rotor (45).

Reducing gear is to constitute the secondary roller gear by I level driving gear (34), I level driven gear (10), II level driving gear (9), II level driven gear (58) to slow down.Constituting third level bevel gear by small conical gear (54), large conical gear (66) slows down.I level driving gear (34) is contained in the rotor output, and I level driven gear (10) and II level driving gear (9) are positioned at respectively on middle cover (38) and the head capsule (6) with bearing (8) and bearing (11).II level driven gear (58) is fixed on the small conical gear (54) with stopping shim (59), screw (60), key (61).Small conical gear (54) is fixed on the head capsule (6) with bearing (55) and bearing (56).Bearing (55) and bearing (56) are fixed on the head capsule (6) with head capsule bearing cover (62), screw (57).Large conical gear (66) is fixed on the output shaft (69) by clamp nut (67) and key (70).Output shaft (69) is fixed on the protective cover (26) with bearing (64).Bearing (64) is fixing with union (screwed)bonnet (UB (65).Between protective cover (26) and output shaft (69), O-ring seals (63) is set, plays the oil sealing dustproof effect.Bearing (68) is contained on the head capsule (6), plays the role of positioning.Blind nut (53) is contained on the head capsule (6), plays the effect of assembling bearing (68) and output shaft (69).Head capsule (6) is connected on the middle cover (38) with screw (7).

Security protection dust exhaust apparatus (23) is made of protective cover (26), protective cover cover plate (28), vacuum cleaner hose joint (31).Wherein protective cover (26) and protective cover cover plate (28) are linked together with screw (27), and vacuum cleaner hose joint (31) clamping is constituted security protection dust exhaust apparatus (23), and this device is fixed on the head capsule (6) with screw (25).Be equipped with 1 in the junction of protective cover (26) and head capsule (6) and adjust pad (24).Fragment and dust that this device produces when eliminating the operation of this ditching machine by dust catcher.

The circular peripheral-mill of carbide inserts (30) is made of cutter hub (72), cutter hub (73), alignment pin (74), carbide-tipped cutter bit (75).This circular peripheral-mill (30) is fixed on the output shaft (69) with screw (29), when need are changed the milling cutter of different size, can adjust the groove milling width, when adjusting positioning plate (1), can adjust the groove milling degree of depth, this positioning plate is fixed on the protective cover (26) with screw (2).

Radio and TV interference restraining device are made up of electric capacity TVS (18) and inductance TVS (49), and this device can or not be provided with according to the customer requirements setting, and this device does not have influence to this instrument use and efficient.

Double insulation is made up of machine operational insulation and armature spindle superinsulation and plastic casing, handle superinsulation, meets the requirement of GB38831-83 " safety of hand held electric tool, first, general requirements ".

Claims (4)

1, a kind of brick wall ditching machine, this brick wall ditching machine has the double insulation structure, and be provided with for the front hand grip (5) and the back handle (17) that grip, pass through power control system, the input external power supply is to single-phase series motor, it is characterized in that the single-phase series motor output is equipped with I level driving gear (34), single-phase series motor power is through reducing gear, the circular peripheral-mill (30) that drives carbide inserts rotates and the milling brick wall, is provided with the positioning plate (1) and the security protection dust exhaust apparatus (23) of adjustment milling gash depth respectively in the working head portion of this brick wall ditching machine.

2, brick wall ditching machine according to claim 1, it is characterized in that this reducing gear is by I level driving gear (34), middle cover (38), I level driven gear (10), II level master gear (9), bearing (8), bearing (11), head capsule (6), small conical gear (54), bearing (55), bearing (56), II level driven gear (58), stopping shim (59), screw (60), key (61), head capsule bearing cover (62), protective cover (26), O-ring seals (63), bearing (64), union (screwed)bonnet (UB (65), large conical gear (66), clamp nut (67), bearing (68), output shaft (69), key (70) is formed, and protective cover (26) is fixed on the head capsule (6) with screw (25).

3, brick wall ditching machine according to claim 1, the circular peripheral-mill (30) that it is characterized in that this carbide inserts is made of cutter hub (72), cutter hub (73), alignment pin (74), carbide-tipped cutter bit (75), this circular peripheral-mill (30) is fixed on the output shaft (69) with screw (29), and positioning plate is fixed on the protective cover (26) with screw (2).

4, brick wall ditching machine according to claim 1, it is characterized in that this security protection dust exhaust apparatus (23) is made of protective cover (26), protective cover cover plate (28), vacuum cleaner hose joint (31), protective cover cover plate (28) is fixed on the protective cover (26) with screw (27), and vacuum cleaner hose joint (31) is gripped by protective cover (26) and protective cover cover plate (28).

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