CN117532747B

CN117532747B - Building wall slotting equipment

Info

Publication number: CN117532747B
Application number: CN202311796554.2A
Authority: CN
Inventors: 刘传景; 刘传旭; 王自云; 郑晓龙
Original assignee: Yiming Construction Group Co ltd
Current assignee: Yiming Construction Group Co ltd
Priority date: 2023-12-25
Filing date: 2023-12-25
Publication date: 2024-04-26
Anticipated expiration: 2043-12-25
Also published as: CN117532747A

Abstract

The invention discloses a building wall grooving device, and relates to the technical field of building machinery. This building wall slotting device, including having open-ended shell in cambered surface one side, the axial both ends all are equipped with the cutting knife in the shell, still include: the groove wheel is arranged between the two cutting knives, the groove wheel comprises a wheel disc, the outer cambered surface of the wheel disc is divided into three parts, the three parts are a notch, teeth and a grinding disc in sequence, and a hammer head is arranged in the notch.

Description

Building wall slotting equipment

Technical Field

The invention relates to the technical field of building machinery, in particular to a building wall grooving device.

Background

The construction machinery is mainly applied to mechanical equipment in the aspect of construction, and in the hydroelectric installation process of ordinary building decoration, a bottom plate and a wall are required to be grooved, and pipelines can be hidden in the wall and the bottom plate, so that the grooving equipment of the construction machinery is required, the grooving is more convenient, the manpower consumption is reduced, the working efficiency is improved, the multi-blade type is generally adopted for cutting in the prior art, but the position where part of cutting knife cannot be cut is reserved in the cut groove, and therefore, the groove is required to be tapped manually, so that the labor capacity of constructors is caused.

For this reason put forward a building fluting equipment in the patent of publication number CN112060373B, it leads to the electric energy with the fluting organism for the fluting organism converts the electric energy into kinetic energy through the axle, and the axle drives the cutting piece rotatory, and the fluting organism aims at the wall body circuit cutting that needs to cut, and the cutting piece passes through the roller bearing and drives the fluting wheel rotatory, and the cutting piece still drives the rotatory cutting of even blade, and cutting piece and even blade cut the wall at first, later just the slot wheel is beaten and is broken cutting piece and even blade cutting wire casing, makes constructor need not beat the wire casing at the secondary. But its grooving wheel cannot grooving the wall quickly and has no independent leveling mechanism, it is difficult to ensure the smoothness of the wall groove.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a building wall grooving device, which solves the problems that a grooving wheel in the prior art cannot rapidly groove a wall, an independent leveling mechanism is not provided, and the smoothness of a wall groove is difficult to ensure.

In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a building wall fluting equipment, includes the shell that has the opening in cambered surface one side, the axial both ends all are equipped with the cutting knife in the shell, still include: the grooved wheel is positioned between the two cutting knives and comprises a wheel disc, the outer cambered surface of the wheel disc is divided into three parts, the three parts are a notch, a tooth digging part and a grinding piece in sequence, a hammer is arranged in the notch, and a hammer force application part for driving the hammer to apply force to one side far away from the center of the wheel disc is arranged on the wheel disc; the driving assembly is arranged at one end of the shell and is used for driving the cutting knife and the grooving wheel to synchronously rotate, and the grooving wheel rotates to enable the three parts to be working surfaces in sequence.

Further, a cavity part is formed in the middle of the wheel disc, a fixed cam is accommodated in the cavity part, the fixed cam is relatively static to the shell, and the large-diameter end of the fixed cam is opposite to the opening of the shell; the hammer head force application member is set as a first hammer head force application member, and the first hammer head force application member comprises: a guide groove is formed in the wheel disc at a position opposite to the large-diameter end of the cam, a hammer rod axially penetrates through the guide groove, one end of the hammer rod is fixedly connected with the hammer head, a pressing plate is fixedly arranged at the other end of the hammer rod, and a spring is arranged between the pressing plate and the bottom of the guide groove; when the pressing plate rotates to the large-diameter end of the fixed cam along with the wheel disc, the large-diameter end pushes the hammer rod so as to enable the hammer head to do hammer action.

Further, the middle part of fixed cam has set firmly the locking post, the both ends of locking post are located the outside of shell, and the locking dish is all installed at the both ends of locking post, the locking dish passes through countersunk head bolt and shell rigid coupling.

Further, a fixed disc is arranged on one side, far away from the grooved wheel, of the cutting knife, the fixed disc, the cutting knife and the grooved wheel are fixedly connected through long bolts, an integrated main shaft is arranged in the middle of one side, far away from the cutting knife, of the fixed disc, the locking disc is located in the main shaft, and the locking disc is rotationally connected with the main shaft through a bearing; the driving assembly is a first driving assembly, and the first driving assembly comprises a driven gear arranged on one of the main shafts, a driving gear meshed with one side of the driven gear, and a first motor for driving the driving gear to rotate.

Further, an accommodating groove is formed in the position, opposite to the notch, in the wheel disc, of the hammer head force application part II, the hammer head force application part II comprises a hanging column, a steel ring and a steel rope, the hanging column is fixed in the accommodating groove and is close to the center of the wheel disc, the steel ring is sleeved on the hanging column, the steel rope is fixed on the steel ring, the other end of the steel rope is fixedly connected with the hammer head, and when the wheel disc rotates, the steel rope is subjected to centrifugal force to throw the hammer head.

Further, a rotating shaft penetrates through and is fixed at the circle center of the cutting knife and the circle center of the grooved wheel, and the driving assembly is arranged to be a second motor which is used for driving the rotating shaft to rotate.

Further, an auxiliary shell integrated with the shell is arranged on the outer cover of the driving assembly, a U-shaped second handle is arranged on the auxiliary shell and the shell, one end of the second handle is fixedly connected with one side, close to the opening, of the outer cambered surface of the shell, and the other end of the second handle is fixedly connected with the auxiliary shell; a first handle is fixedly arranged between one side, far away from the opening, of the outer shell and the auxiliary shell.

Further, the second handle comprises an air pipe and a thickening part arranged at one end of the air pipe close to the shell, the thickening part is communicated with the space in the shell, an air suction assembly is arranged in the thickening part, an integrated bulge is arranged at the position of the air pipe close to the auxiliary shell, and a filtering structure is arranged on the bulge; the filter structure comprises a barrel, a connecting nozzle arranged at one end of the barrel and filter cloth arranged on one side of the barrel, which is close to the auxiliary shell, wherein the connecting nozzle is in threaded connection with the protruding opening, air flow and dust absorbed by the air suction component can enter the filter structure, the filter cloth can filter the dust, so that the dust is left in the barrel, and the air flow passes through the filter cloth to reach the auxiliary shell.

Further, the air suction assembly comprises a motor arranged in the thickening part and an air suction fan fixed at the power output end of the motor; the motor is arranged in the thickening part through a bracket.

Further, a filter screen is fixed at one end, close to the shell, of the thickening part, an integrated slag discharging pipe is arranged at one side, close to the filtering surface of the filter screen, of one side of the thickening part, and a threaded cover is arranged at one end, far away from the thickening part, of the slag discharging pipe; the position of the thickening part, which is close to one end of the shell and is opposite to the slag discharging pipe, is provided with a blocking edge.

The invention has the following beneficial effects:

(1) This building wall slotting device through setting up the sheave that digs, sets up the tup on the sheave that digs, digs tooth and abrasive disc, installs on the rim plate and is used for driving the tup to the tup application of force spare of keeping away from rim plate centre of a circle one side application of force, then when tup application of force spare work, the tup can beat the part that is located between two cutting knives on the wall to make the part between two cutting knives produce not hard up, dig the tooth then and be used for dig not hard up part, realize that this device can the fluting fast, the abrasive disc then is used for the part mill of the back inslot of will digging, so that the groove of seting up on the wall can be smooth.

(2) When the hammer head force application member gradually breaks away from the large diameter end of the fixed cam along with the rotation of the wheel disc, the spring gradually rebounds, and at the moment, the hammer head is pulled back by the hammer rod, and in fact, the hammer head is retracted and hammered out to be in a process of accumulating energy and releasing energy, so that the hammer head can have a certain hammering kinetic energy.

(3) When the wheel disc rotates, the steel rope throws the hammer head under the action of centrifugal force, and the hammer head 77 has kinetic energy when thrown, so that the hammer head can apply hammer force to the groove between the two cutting knives, the groove is loosened, and the subsequent tooth digging is convenient.

(4) This building wall slotting device, through the opening that induced draft the subassembly can through the shell, then absorb the dust in the surrounding environment, reduce the dust that diffuse in the air, reduce the injury to operating personnel's respiratory track to because there is the air current in a large amount of air in the dust of inhaling, so these air currents can reduce the temperature of second handle, in order to avoid the overheated condition of operating personnel's hand that the second handle intensifies and lead to.

(5) The building wall grooving equipment can be used for enabling the mixture of dust and air flow entering the cylinder body through the air suction component to enter the filtering structure, the filter cloth can be used for filtering the dust on one hand, so that the dust is left in the cylinder body 52, on the other hand, the filtered air flow passes through the filter cloth and reaches the auxiliary shell, the air flow reaching the auxiliary shell can also be used for cooling the driving component in the auxiliary shell, the air flow sprayed out of the air flow is far away from one side of an operator, and further the influence of the sprayed air flow on the vision and the feeling of the operator is avoided.

(6) This building wall slotting device has set up the filter screen in the place ahead of air extraction fan, and the filter screen can filter some rubble, and then avoids rubble to get into the damage that leads to on air extraction fan and the motor, guarantees the integrality of air extraction fan and motor to when the sediment is needed, lift the screw cap off, the accessible scum pipe arranges sediment, avoids rubble to pile up in the thickening pipe.

Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.

Drawings

FIG. 1 is a first perspective view of a first embodiment of the present invention;

FIG. 2 is a second perspective view of the first embodiment of the present invention;

FIG. 3 is an assembled view of a drive assembly, a cutter blade, and a cutting sheave according to a first embodiment of the present invention;

FIG. 4 is an end view of a medium-sized grooved wheel according to an embodiment of the present invention;

FIG. 5 is a schematic diagram showing a position of a first motor according to a first embodiment of the invention;

FIG. 6 is an exploded view of FIG. 4 in accordance with the present invention;

FIG. 7 is a diagram showing the relative positions of a fixed cam and a grooved wheel in accordance with a first embodiment of the present invention;

FIG. 8 is a cross-sectional view of FIG. 7 in accordance with the present invention;

FIG. 9 is a schematic view of the structure of the grooved wheel of FIG. 8 in which the pressure plate is disengaged from the large diameter top end of the stationary cam after rotation;

FIG. 10 is a schematic view showing the internal structure of the thickening portion of the present invention;

FIG. 11 is a schematic view of the installation of the filter structure of the present invention;

FIG. 12 is a schematic view of a filter structure according to the present invention;

FIG. 13 is a schematic view of a structure of a second embodiment of the present invention in a rotated state of a grooving wheel;

FIG. 14 is a cut-away view of FIG. 13 in accordance with the present invention;

FIG. 15 is an orthographic view of FIG. 14 in accordance with the present invention;

FIG. 16 is a schematic view of a second embodiment of the present invention in a stationary state of the trenching wheel;

fig. 17 is an external view of a second embodiment of the present invention;

Fig. 18 is a schematic diagram illustrating the installation of a second motor in the second embodiment of the present invention.

In the figure, 1, a first handle; 2. a cutting knife; 3. a second handle; 31. a thickening part; 32. an air duct; 33. a slag discharge pipe; 34. a screw cap; 35. a filter screen; 36. an exhaust fan; 37. a motor; 38. a blocking edge; 39. a boss; 4. a housing; 41. an auxiliary shell; 5. a filtering structure; 51. a connecting nozzle; 52. a cylinder; 53. a filter cloth; 6. a first drive assembly; 61. a first motor; 62. a drive gear; 63. a driven gear; 7. digging a grooved wheel; 71. a wheel disc; 72. a notch; 73. digging teeth; 74. grinding; 75. a cavity portion; 76. a hammer head force application piece I; 761. a pressing plate; 762. a spring; 763. a hammer rod; 764. a guide groove; 77. a hammer head; 78. a hammer head force application member II; 781. a steel rope; 782. a steel ring; 783. a hanging column; 79. a receiving groove; 8. a fixed plate; 81. a main shaft; 9. a fixed cam; 91. a locking plate; 92. locking the column; 10. a long bolt; 11. a second motor; 12. and (3) rotating the shaft.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Examples

Referring to fig. 1-2, an embodiment of the present invention provides a technical solution: the utility model provides a building wall slotting device, includes an arcuate shell 4, is equipped with an opening in cambered surface one side of shell 4, and the axial both ends all are equipped with cutting knife 2 in shell 4, and shell 4 can shelter from partial cutting knife 2 to play the guard action to constructor, the part of cutting knife 2 exposes in the opening outside, in order to cut.

As shown in fig. 3 and 4, the device further comprises a grooved wheel 7, the grooved wheel 7 is positioned between the two cutting knives 2, so that the cutting knives 2 cut out edges of grooves, the grooved wheel 7 is used for digging out the grooves, the grooved wheel 7 comprises a wheel disc 71, the outer cambered surface of the wheel disc 71 is divided into three parts, the three parts are a notch 72, a tooth 73 and a grinding disc 74 in sequence, the diameter of an arc formed by the outer ends of all the teeth 73 is the same as that of the grinding disc 74, the diameter of the notch 72 is smaller than that of the grinding disc 74, a hammer head 77 is arranged in the notch 72, the notch 72 is used for accommodating the hammer head 77, a hammer head force application member used for driving the hammer head 77 to apply force to the side far away from the center of the wheel disc 71 is arranged on the wheel disc 71, then when the hammer head force application member works, the hammer head 77 can strike the part between the two cutting knives 2 on the wall surface, the part between the two cutting knives 2 is loose, the tooth 73 is used for digging out the part of the wall, the part of the arc formed by the outer end of all the teeth 73 is the arc is smaller than the diameter of the grinding disc 74, the diameter of the part in the cut groove is smaller than the diameter of the grinding disc 74, and the hammer head 77 is arranged in the notch is smooth, so that the formed on the wall surface can be smooth.

In addition, the above-mentioned abrasive disc 74 may be a part of the wheel disc 71 itself, that is, the wheel disc 71 itself is made of wear-resistant metal, or a wear-resistant arc sheet may be added on the basis of the wheel disc 71, and both schemes may polish the wall surface groove.

As shown in fig. 3 and 5, in order to realize the rotary grooving of the grooved wheel 7 and the rotary cutting of the cutter 2, a driving assembly is provided, which is mounted at one end of the housing 4, and can drive the cutter 2 and the grooving wheel 7 to rotate synchronously, thereby realizing the synchronous operation of cutting and grooving, and when the grooving wheel 7 rotates, the hammer head 77, the tooth 73 and the abrasive sheet 74 can be sequentially working surfaces.

In actual operation, when initially grooving, an operator continuously applies force to the casing 4 to enable the cutter 2 to continuously cut the wall, in the process, the hammer head 77 can continuously hammer the wall, the tooth 73 can continuously excavate, the grinding disc 74 can continuously grind flat, after the groove depth reaches the required depth, the operator reduces or no longer applies force to the casing 4 to the wall, at the moment, the outer end of the tooth 73 has the same arc-shaped diameter as that of the grinding disc 74, so that the tooth 73 has the same function as the grinding disc 74, the smoothness after the groove depth reaches the required depth at a single position is ensured, and at the moment, even if the hammer head 77 hammers at the groove bottom, the tooth 73 does not excavate any more, and uneven groove bottom can not occur.

As shown in fig. 6 to 9, in order to realize the hammering operation when the hammer head 77 reaches the wall surface, the hollow portion 75 is formed in the middle of the wheel disc 71, and the fixed cam 9 is accommodated in the hollow portion 75, but the fixed cam 9 is not in contact with the side wall of the hollow portion 75, and the fixed cam 9 is fixed on the housing 4, so that it is stationary relative to the housing 4, and when the wheel disc 71 rotates, each position on the fixed cam 9 can pass through the fixed cam 9, and of course, the hammer head force application member can also pass through the fixed cam 9, so as to realize the ejection of the hammer head 77.

The hammer head force application member mentioned above is provided as a hammer head force application member one 76, and the hammer head force application member one 76 includes:

The guide slot 764 is formed in the position, opposite to the large diameter end of the cam 9, in the wheel disc 71, the guide slot 764 axially penetrates through the hammer rod 763, one end of the hammer rod 763 is fixedly connected with the hammer head 77, the pressing plate 761 is fixedly arranged at the other end of the hammer rod 763, the spring 762 is arranged between the pressing plate 761 and the groove bottom of the guide slot 764, when the first hammer head force application member 76 rotates along with the wheel disc 71 to enable the pressing plate 761 to reach the large diameter end of the fixed cam 9, the large diameter end of the fixed cam 9 pushes the hammer rod 763, the spring 762 can be compressed by the pressing plate 761, then the hammer rod 763 can push out the hammer head 77 to enable the hammer head 77 to perform hammering action, when the first hammer head force application member 76 rotates along with the wheel disc 71 to enable the pressing plate 761 to gradually separate from the large diameter end of the fixed cam 9, the spring 762 gradually rebounds, the hammer head 77 is pulled back by the hammer rod 763, and in fact, the hammer head 77 can have a certain hammering kinetic energy in the process of energy storage and then the hammer head 77 can have a certain hammering kinetic energy.

In addition, the spring 762 is preferably compressed even when it is opposite to the small diameter end of the fixed cam 9, so that it has a rebound tendency, and then generates a rebound force, which can resist the centrifugal force generated on the hammer head 77 when the wheel 71 rotates, and avoid the hammer head 77 from being thrown out when it has not reached the large diameter end of the fixed cam 9 during the rotation of the wheel 71, and ensure that it is thrown out when it reaches the large diameter end, so as to perform hammering action.

In order to perform hammering operation on the cutting surface, the large diameter end of the fixed cam 9 faces the opening of the housing 4, that is, when the hammer head 77 reaches the opening position, the large diameter end can push the hammer head 77 to perform hammering at the opening position.

As shown in fig. 2, 6 and 7, in order to achieve the purpose of fixing the fixed cam 9 on the housing 4, a locking post 92 is fixed in the middle of the fixed cam 9, two ends of the locking post 92 are located outside the housing 4, and two ends of the locking post 92 are both provided with a locking disc 91, the locking disc 91 is fixedly connected with the housing 4 through a countersunk bolt, that is, the locking disc 91 and the locking post 92 lock and suspend the position of the fixed cam 9 in the cavity 75, and since the locking post 92 must pass through the cutting knife 2 when passing through the housing 4, in order to reduce the excessive abrasion between the cutting knife 2 and the fixed locking post 92 during rotation, a bearing can be arranged between the locking post and the cutting knife 2, in another scheme, a through hole can be formed at the center of the cutting knife 2, the diameter of the through hole is larger than that of the locking post 92, so that the cutting knife 2 and the locking post 92 can be directly prevented from contacting, that the abrasion between the cutting knife 2 and the locking post 92 can be directly avoided.

In the present embodiment, since the lock post 92 and the lock plate 91 are provided, the position of the fixed cam 9 can be locked and suspended in the cavity 75, and the position of the fixed cam 9 can be secured.

As shown in fig. 3 and 6, in order to realize synchronous rotation of the cutter 2 and the grooving wheel 7, a fixed disc 8 is arranged at one side of the cutter 2 away from the grooving wheel 7, the fixed disc 8, the cutter 2 and the grooving wheel 7 are fixedly connected through long bolts 10, the long bolts 10 are arranged at eccentric positions of the discs, namely, the long bolts are not positioned at the circle centers (or at the edges of the discs), an integrated main shaft 81 is arranged at the middle part of one side of the fixed disc 8 away from the cutter 2, a locking disc 91 is positioned in the main shaft 81, and the locking disc 91 is rotatably connected with the main shaft 81 through a bearing; the driving assembly is set as a first driving assembly 6, the first driving assembly 6 comprises a driven gear 63 mounted on one main shaft 81, a driving gear 62 meshed with one side of the driven gear 63 and a first motor 61 for driving the driving gear 62 to rotate, when the first motor 61 works, the driven gear 63 can be driven to rotate by the action of the driving gear 62, and then the corresponding main shaft 81 is rotated, so that the fixed disc 8 can drive the cutting knife 2 and the grooving wheel 7 to rotate together, and the main shaft 81 and the locking disc 91 on the other side can also rotate along with the rotation, and the two parts are mainly used for stabilizing the rotation of the cutting knife 2 and the grooving wheel 7, so that the unstable phenomenon caused by single-side support is avoided during the rotation.

In order to facilitate the holding of the device, even if the device can perform grooving operation under the holding state, an auxiliary shell 41 integrated with the shell 4 is covered outside the driving assembly, the auxiliary shell 41 and the shell 4 are provided with a U-shaped second handle 3, one end of the second handle 3 is fixedly connected with one side of the outer cambered surface of the shell 4, which is close to the opening, and the other end of the second handle 3 is fixedly connected with the auxiliary shell 41, then the device can be held by holding the second handle 3, and in order to facilitate the holding of the device, the shell 4 can be forced towards the opening direction of the shell 4, so that the grooving can be realized by cutting at the opening, a first handle 1 is fixedly arranged between one side of the shell 4, which is far away from the opening, and the auxiliary shell 41, namely, the second handle 3 is held by holding the first handle 1 by holding the other hand, so that the stability of the device can be controlled, and the first handle 1 can be conveniently forced.

In addition, here, the control circuit is integrated on the first handle 1, and a switch is arranged on the first handle 1 to control the driving component so as to realize the opening and closing of the device.

In order to reduce the influence of dust generated during the cutting and grooving process on the respiratory tract of the operator, as shown in fig. 1, 10 and 11, the second handle 3 includes an air duct 32 and a thickening portion 31 disposed at one end of the air duct 32 near the housing 4, the thickening portion 31 is communicated with the space in the housing 4, and an air suction assembly is disposed in the thickening portion 31, and the thickening portion 31 is communicated with the housing 4, so that the air suction assembly can suction air through the opening of the housing 4, thereby absorbing dust in the surrounding environment, reducing diffuse dust in the air and reducing injury to the respiratory tract of the operator.

In addition, the thickening portion 31 is provided here, so that the suction assembly with larger volume is convenient to install due to the enlarged diameter of the pipeline, and the suction effect is improved.

Further, since a large amount of air flows are included in the sucked dust, the air flows can lower the temperature of the duct 32 (the second handle 3) to avoid overheating of the operator's hand due to the temperature rise of the second handle 3.

As shown in fig. 11 and 12, in order to enable the air flow carrying dust in the air duct 32 to be discharged, an integral boss 39 is provided at a position of the air duct 32 close to the auxiliary shell 41, and a filtering structure 5 is mounted on the boss 39, and the filtering structure 5 can filter out the dust and overflow the air flow; the above-mentioned filtering structure 5 comprises a cylinder 52, a connecting nozzle 51 installed at one end of the cylinder 52, and a filter cloth 53 arranged at one side of the cylinder 52 near the auxiliary shell 41, wherein the cylinder 52 should have a side opening on its cambered surface, the side opening is sealed by the filter cloth 53, and the mixture of dust and air flow entering the cylinder 52 can be filtered by the filter cloth 53, so that the dust stays in the cylinder 52, and the filtered air flow passes through the filter cloth 53 to reach the auxiliary shell 41, and the air flow reaching the auxiliary shell 41 can cool the driving assembly in the auxiliary shell 41, and the sprayed air flow is at one side far away from the operator, so as to avoid the influence of the sprayed air flow on the vision and feel of the operator.

In addition, in order to facilitate the disassembly of the cylinder 52 and clean the dust left therein, the connection nozzle 51 is screwed with the boss 39, that is, when the dust in the cylinder 52 needs to be cleaned, the connection nozzle 51 is rotated from the boss 39.

As shown in fig. 10, the above-mentioned air suction assembly includes a motor 37 installed in the thickening portion 31 and an air suction fan 36 fixed at the power output end of the motor 37, that is, when the motor 37 is operated, the air suction fan 36 can be driven to operate, and when the air suction fan 36 is operated, the interior of the housing 4 can be in a negative pressure state, so that the housing 4 is used as an air suction component to suction air, thereby achieving the purpose of sucking dust-carrying air into the thickening portion 31, preferably, the motor 37 is installed in the thickening portion 31 through a bracket, so as to lock the position of the motor 37.

Because of the strong suction force of the outer shell 4 under the negative pressure, a part of broken stone is sucked into the outer shell 4 and the thickening part 31, in order to avoid the broken stone from scratching the motor 37 and the suction fan 36, a filter screen 35 is fixed at one end of the thickening part 31 close to the outer shell 4, namely, after the broken stone is sucked into the thickening part 31, the filter screen 35 can filter the broken stone, the broken stone is prevented from approaching the motor 37 and the suction fan 36, in order to treat the broken stone filtered by the filter screen 35, an integrated slag discharging pipe 33 is preferably arranged at one side of the thickening part 31 close to the filtering surface of the filter screen 35, a screw cap 34 is arranged at one end of the slag discharging pipe 33 away from the thickening part 31, when slag is required to be discharged, the screw cap 34 is detached, and then the slag discharging pipe 33 is vertically downward, and the thickening part 31 is rocked, so that internal broken stone can be discharged can be realized is realized; in order to reduce the crushed stone entering the inside of the housing 4, a blocking edge 38 is preferably provided at a position of the thickened portion 31 opposite to the slag discharge pipe 33 near one end of the housing 4, the blocking edge 38 blocking the crushed stone from entering the housing 4.

Examples

The difference between this embodiment and the first embodiment is only that:

as shown in fig. 13-16, a receiving groove 79 is formed in the wheel disc 71 at a position opposite to the notch 72, the hammer head force application member is a second hammer head force application member 78, the second hammer head force application member 78 comprises a hanging post 783 fixed in the receiving groove 79 and close to the center of the wheel disc 71, a steel ring 782 sleeved on the hanging post 783, and a steel rope 781 fixed on the steel ring 782, the other end of the steel rope 781 is fixedly connected with the hammer head 77, when the wheel disc 71 rotates, the steel rope 781 is subject to centrifugal force to throw the hammer head 77, and when the hammer head 77 is thrown, the hammer head has kinetic energy, so that the hammer head can apply hammer force to a groove between two cutting knives 2 to loosen the groove, and the subsequent digging of the tooth 73 is facilitated.

The steel wire 781 may be provided as a swing arm made of a hard material such as steel bars.

As shown in fig. 17 and 18, in order to realize the rotation of the cutter 2 and the grooving wheel 7, a rotation shaft 12 is fixedly penetrated at the center of the cutter 2 and the grooving wheel 7, the driving assembly is a second motor 11, and the second motor 11 is used for driving the rotation shaft 12 to rotate, so that the synchronous rotation of the cutter 2 and the grooving wheel 7 is realized.

When the device is used (in operation), the stability of the device can be controlled by holding the second handle 3 by one hand and holding the first handle 1 by the other hand, the first handle 1 can conveniently apply force, the driving component can drive the cutting knife 2 and the grooving wheel 7 to synchronously rotate, when the cutting knife 2 rotates, two cutting gaps can be cut on a wall surface, the grooving wheel 7 performs grooving on the part between the two gaps, namely, when the grooving wheel 7 rotates, the hammer head 77 can beat the part between the two cutting knives 2 on the wall surface so as to loosen the part between the two cutting knives 2, the tooth 73 is used for digging the loosened part, the grinding piece 74 is used for grinding the part in the grooved groove after the digging is smooth, so that the groove formed on the wall surface can be smooth (in one scheme, when the hammer head force application piece 76 rotates along with the wheel disc 71, the large diameter end of the fixed cam 9 pushes the hammer rod 763, the hammer rod 763 can be compressed by the hammer rod 761, and then the hammer rod 763 can be pushed out of the hammer head 77, and the hammer head 76 can gradually retract along with the rotation of the wheel disc 71, and the hammer head 76 can gradually retract along with the large diameter end of the hammer disc 77 when the hammer head is gradually released, and the hammer head 77 is gradually retracted along with the rotation of the wheel disc 77; in another solution, when the wheel disc 71 rotates, the steel rope 781 is subject to centrifugal force to throw the hammer head 77, and the hammer head 77 has kinetic energy when thrown, so that the hammer head can apply a hammer force to the groove between the two cutting blades 2 to loosen the groove, thereby facilitating the subsequent excavation of the teeth 73), dust generated by cutting and excavating is pumped away by the suction fan 36 in the thickening part 31, the filter screen 35 can filter broken stones in the dust, the broken stones are prevented from approaching the motor 37 and the suction fan 36, the broken stones can be discharged through the slag discharging pipe 33, a large amount of air flows in the sucked dust can be reduced in temperature of the air pipe 32 (the second handle 3) so as to avoid the condition that the hands of an operator are overheated due to the temperature rise of the second handle 3, the subsequent air flows and the dust can enter the cylinder 52, the filter cloth 53 can filter the dust so that the dust stays in the cylinder 52, the filtered air flows pass through the filter cloth 53 to the auxiliary shell 41, the air flows reaching the auxiliary shell 41 can cool a driving component in the auxiliary shell 41, and the sprayed air flows are far away from one side of the operator so as to avoid the influence of the sprayed air flows on the vision and the feeling of the operator.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a building wall slotting device, includes shell (4) that has the opening in cambered surface one side, the interior both ends of axle in shell (4) all are equipped with cutting knife (2), its characterized in that still includes:

The cutting machine comprises a grooved wheel (7), wherein the grooved wheel (7) is positioned between two cutting knives (2), the grooved wheel (7) comprises a wheel disc (71), the outer cambered surface of the wheel disc (71) is divided into three parts, a notch (72), a tooth (73) and a grinding disc (74) are sequentially arranged in the three parts, a hammer head (77) is arranged in the notch (72), and a hammer head force application piece for driving the hammer head (77) to apply force to one side far away from the center of the wheel disc (71) is arranged on the wheel disc (71);

the driving assembly is arranged at one end of the shell (4) and is used for driving the cutting knife (2) and the grooving wheel (7) to synchronously rotate, and the grooving wheel (7) is used for enabling the three parts to be working surfaces in sequence;

A cavity part (75) is formed in the middle of the wheel disc (71), a fixed cam (9) is accommodated in the cavity part (75), the fixed cam (9) is relatively static to the shell (4), and the large-diameter end of the fixed cam (9) is opposite to the opening of the shell (4);

the hammer head force application member is a first hammer head force application member (76), and the first hammer head force application member (76) comprises:

A guide groove (764) is formed in the wheel disc (71) at a position opposite to the large-diameter end of the fixed cam (9), a hammer rod (763) penetrates through the guide groove (764) in the axial direction, one end of the hammer rod (763) is fixedly connected with a hammer head (77), a pressing plate (761) is fixedly arranged at the other end of the hammer rod (763), and a spring (762) is arranged between the pressing plate (761) and the groove bottom of the guide groove (764);

when the pressing plate (761) rotates to the large-diameter end of the fixed cam (9) along with the wheel disc (71), the large-diameter end pushes the hammer rod (763) so as to enable the hammer head (77) to perform hammering action;

The middle part of the fixed cam (9) is fixedly provided with a locking column (92), two ends of the locking column (92) are positioned outside the shell (4), two ends of the locking column (92) are provided with locking discs (91), and the locking discs (91) are fixedly connected with the shell (4) through countersunk bolts;

A fixed disc (8) is arranged on one side, far away from the grooved wheel (7), of the cutting knife (2), the fixed disc (8), the cutting knife (2) and the grooved wheel (7) are fixedly connected through a long bolt (10), an integrated main shaft (81) is arranged in the middle of one side, far away from the cutting knife (2), of the fixed disc (8), the locking disc (91) is positioned in the main shaft (81), and the locking disc (91) is rotationally connected with the main shaft (81) through a bearing;

the driving assembly is a first driving assembly (6), and the first driving assembly (6) comprises a driven gear (63) arranged on one main shaft (81), a driving gear (62) meshed with one side of the driven gear (63) and a first motor (61) for driving the driving gear (62) to rotate;

The driving assembly is characterized in that an auxiliary shell (41) integrated with the shell (4) is covered outside the driving assembly, a U-shaped second handle (3) is arranged on the auxiliary shell (41) and the shell (4), one end of the second handle (3) is fixedly connected with one side, close to the opening, of the outer cambered surface of the shell (4), and the other end of the second handle (3) is fixedly connected with the auxiliary shell (41);

A first handle (1) is fixedly arranged between one side, far away from the opening, of the outer shell (4) and the auxiliary shell (41).

2. A building wall grooving apparatus according to claim 1, wherein: the second handle (3) comprises an air pipe (32) and a thickening part (31) arranged at one end, close to the shell (4), of the air pipe (32), the thickening part (31) is communicated with the space in the shell (4), an air suction assembly is arranged in the thickening part (31), an integrated bulge (39) is arranged at the position, close to the auxiliary shell (41), of the air pipe (32), and a filtering structure (5) is arranged on the bulge (39);

The filter structure (5) comprises a barrel (52), a connecting nozzle (51) arranged at one end of the barrel (52) and a filter cloth (53) arranged on one side, close to the auxiliary shell (41), of the barrel (52), the connecting nozzle (51) is in threaded connection with the boss (39), air flow and dust absorbed by the air suction component can enter the filter structure (5), the filter cloth (53) can filter the dust, so that the dust is left in the barrel (52), and the air flow passes through the filter cloth (53) to reach the auxiliary shell (41).

3. A building wall grooving apparatus according to claim 2, wherein: the air suction assembly comprises a motor (37) arranged in the thickening part (31) and an air suction fan (36) fixed at the power output end of the motor (37);

the motor (37) is mounted in the thickened portion (31) by a bracket.

4. A building wall grooving apparatus according to claim 3, wherein: a filter screen (35) is fixed at one end, close to the shell (4), of the thickening part (31), an integrated slag discharging pipe (33) is arranged at one side, close to the filtering surface of the filter screen (35), of the thickening part (31), and a screw cap (34) is arranged at one end, far away from the thickening part (31), of the slag discharging pipe (33);

A blocking edge (38) is arranged at the position, which is close to one end of the shell (4) and opposite to the slag discharging pipe (33), of the thickening part (31).