WO2018210099A1

WO2018210099A1 - Groove cutter

Info

Publication number: WO2018210099A1
Application number: PCT/CN2018/083904
Authority: WO
Inventors: 赵佳丽
Original assignee: 济南昶顺建设工程服务有限公司
Priority date: 2017-05-18
Filing date: 2018-04-20
Publication date: 2018-11-22
Also published as: CN106948582A; CN106948582B

Abstract

A groove cutter, comprising a T-shaped cutter plate, the T-shaped cutter plate comprising an internal cylinder-shaped central cutting base (1) and an externally sleeved cylinder-shaped outer cutting base (10); a bottom surface and side wall of both the central cutting base (1) and the outer cutting base (10) are provided with evenly spaced milling cutter components (5, 8); an upper part of the central cutting base (1) is connected to a shaft (16) of a drive motor (17) by means of a central connecting post (15), and the outer cutting base (10) is connected to the central connecting post (15) by means of an exterior connection base (12), a guide connection ring (13) and a limiting bolt (14); the drive motor (17) is connected to a support frame consisting of a support top plate (19), a support side plate (34) and a support leg (18), by means of a connecting vertical plate (20), a level horizontal plate (21), a guide adjustment screw (22), a limiting nut (23) and a push-pull positioning plate (26), etc. The present groove cutter is convenient to use, has low impact on the ground, and makes less noise.

Description

Slotting machine

Technical field

The invention relates to the technical field of building slotting equipment, in particular to a slotting machine.

Background technique

In the process of house decoration or renovation of houses or offices, it is often necessary to bury the wall and bury the wires and water pipes. The traditional wall slotting should use the cutting slotting machine to cut the two parallel lines of a certain depth and a certain distance to the building, and then use the electric hammer, pneumatic pick or hand-cut the building materials in the middle of the two lines to form the trunking. Or pipe trough, this method is complicated to operate, the amount of labor is large, the operation is shaking, the noise is serious, the efficiency is low, the damage to the ground or the wall is large, the ash is splashed, and the wire trough or pipe is opened. The groove is not flat. At present, there are also some wall slotting machines, the cutter discs are arranged in parallel with a plurality of disc-shaped saw blades. When working, the power device of the wall slotting machine drives the disc to rotate, so that the saw blade cuts and cuts the wall surface. In this structure, since the saw blade has a sheet-like structure, the cutting force is relatively weak, and the output power of the power device is required to be large, and it is easy to wear or break when slotting on some relatively firm walls, and needs to be replaced, and the cutting efficiency is required. Low, short life, unsatisfactory reliability and high cost. In addition, the existing trunking or pipe troughs are rectangular parallelepiped troughs, which are filled with cement to be flush with the ground after being buried in the wire or pipe, and the workload is large, and the maintenance is very difficult in the later stage; the existing slotting machine, It can only open a long strip-shaped tank, and can not be a T-shaped trough. If the T-slot can be opened, the wire or pipe can be placed in the narrower trough of the lower part of the T-slot, and then in the T-shaped A wider plastic body in the upper part of the groove supports a plate of plastic or stone material for quick opening in the later stage, and the wire or pipe in the tank is maintained or replaced.

Summary of the invention

The technical problem to be solved by the present invention is to provide a slotting machine which is convenient to use, has low noise, is flat in slotting, has little ground damage, or can open a T-shaped groove body.

In order to solve the above technical problems, the present invention provides a grooving machine comprising a T-shaped cutter head, the T-shaped cutter head comprising an inner cylindrical central cutting seat, and a uniform arrangement of the lower end surface of the middle cutting seat 3 -6 bottom middle milling cutters, the front end of the cross section of the bottom middle milling cutter is a right angle trapezoid, the rear end of the cross section is square, and the middle portion of the bottom middle milling cutter is provided with a middle connecting plate, the middle portion The connecting plate is connected to the bottom surface of the middle cutting seat by a bottom bolt; a T-shaped central groove is disposed on a side wall of the middle cutting seat between any two of the bottom middle milling cutters, and the T-shaped central groove A T-shaped middle seat is interposed, and a lateral middle cutter having a right-angled trapezoidal cross section is disposed on an outer side of the T-shaped middle seat, and the T-shaped middle seat passes through the side wall bolt and the middle cutter Side wall connection;

The outer side of the middle cutting seat is sleeved with a circular outer peripheral cutting seat, and the lower end surface of the outer cutting seat is uniformly provided with 3-6 outer surface outer milling cutters, and the front end of the cross section of the outer surface outer milling cutter is a right-angled trapezoid, the rear end of the cross-section is square, and the outer side of the bottom outer cutter is provided with an outer connecting plate, and the outer connecting plate is connected to the bottom surface of the peripheral cutting seat through the bottom bolt; a T-shaped outer groove is disposed on a sidewall of the peripheral cutting seat between the bottom outer cutters, and a T-shaped outer seat is inserted into the T-shaped outer groove, and the T-shaped outer seat is inserted A lateral outer cutter having a right-angled trapezoidal cross section is disposed on the outer side, and the T-shaped outer seat is connected to the side wall of the peripheral cutting seat by the side wall bolt.

Wherein, the upper end surface of the middle cutting seat is provided with a middle connecting post, the upper end surface of the peripheral cutting seat is provided with an outer connecting seat, and the outer connecting seat is disposed above the outer connecting column The guiding connecting ring is connected to the middle connecting post by a limiting bolt.

Wherein, the outer end portion of the bottom middle milling cutter is flush with the outer end surface of the side central milling cutter.

Wherein, the outer end portion of the bottom outer cutter is flush with the outer end surface of the side outer cutter.

Wherein, the height of the peripheral cutting seat is 1/4-1/2 of the height of the middle cutting seat.

Wherein, the height of the outer connecting seat is 1/2-1 times the height of the middle cutting seat.

Wherein, the middle connecting post has a square cross section, and the guiding connecting ring has a square ring shape in cross section.

a driving motor is disposed above the middle connecting post, and a lower end of the rotating shaft of the driving motor is fixedly connected with the middle connecting post; a rear side of the driving motor is provided with a connecting vertical plate, and a rear end of the connecting vertical plate a horizontal horizontal plate is disposed at a middle portion or an upper portion, and a guiding adjusting screw is disposed above the horizontal horizontal plate, and an upper end of the guiding adjusting screw passes through a supporting top plate to above the supporting top plate, and the guiding is located above the supporting top plate a threaded connection limit nut is arranged on the adjusting screw, and a top end of the guiding adjusting screw is provided with an operating handle;

a support side plate is disposed at a rear end of the lower end surface of the support top plate, and a support leg is symmetrically disposed on both sides of the front end of the lower end surface of the support top plate, and a front walking wheel is disposed below the support leg, and the rear side of the support side plate is disposed a support bottom plate is disposed on a lower side of the end surface, and a rear walking wheel is symmetrically disposed on both sides of the lower end surface of the support bottom plate;

The upper end of the supporting side plate is inlaid with a guiding collar having a square ring cross section, and the inside of the guiding collar is inserted with a push-pull positioning plate supported under the horizontal horizontal plate, and the front end of the sliding positioning plate is below A limiting block is disposed, a connecting screw is threadedly connected to the rear end of the push-pull positioning plate, and a push-pull ring is disposed at an upper end of the connecting screw.

The upper end surface of the support bottom plate is provided with a vacuum cleaner, and the lower side of the front end surface of the support side plate is provided with a dust suction nozzle through a fixing ring, and a dust suction pipe is disposed between the vacuum cleaner and the dust suction nozzle.

The front end of the front and rear sides of the operating handle are symmetrically disposed with an L-shaped operating rod. The upper end of the operating rod is sleeved with an operating sleeve, and the outer wall of the operating sleeve is uniformly provided with a semi-spherical anti-skid protrusion.

The invention has the beneficial effects that the slotting machine of the invention can mill the T-shaped groove by setting the T-shaped cutter head, and can adjust the T-shaped by using the middle cutting seat, the peripheral cutting seat, the guiding adjusting screw and the limit nut, and the like. The depth of the lower part and the upper part of the groove and the depth of the whole groove body are convenient to use, the impact on the ground is small, the noise is smaller, the bottom surface and the side wall of the milled T-shaped groove are flat; each milling cutter on the T-shaped cutter head The tool has a longer service life; the dust during the milling process can also be sucked away by the dust suction nozzle in time, and enter the vacuum cleaner through the dust suction pipe to prevent the dust from harming the worker.

DRAWINGS

1 is a schematic overall structural view of an embodiment of the present invention;

Figure 2 is a plan view of Figure 1;

Figure 3 is a bottom view of Figure 1;

Figure 4 is a left side view of Figure 1;

Figure 5 is a right side view of Figure 1;

Figure 6 is a front elevational view of the T-shaped cutter head of Figure 1;

Figure 7 is a side view of Figure 6;

Figure 8 is a bottom plan view of Figure 6.

The reference numerals are as follows: 1. The middle cutting seat; 2. The bottom middle milling cutter; 3. The middle connecting plate; 4. The bottom bolt; 5. The side middle milling cutter; 6. The front traveling wheel; 7. The side wall bolt; Bottom outer milling cutter; 9, external connecting plate; 10, peripheral cutting seat; 11, side outer milling cutter; 12, outer connecting seat; 13, guiding connecting ring; 14, limiting bolt; 15, middle connecting column; Rotary shaft; 17, drive motor; 18, support leg; 19, support top plate; 20, connecting vertical plate; 21, horizontal horizontal plate; 22, guiding adjustment screw; 23, limit nut; 24, operating handle; 25, limit Bump; 26, push-pull positioning plate; 27, guide collar; 28, push-pull ring; 29, connecting screw; 30, dust suction pipe; 31, vacuum cleaner; 32, support bottom plate; 33, rear walking wheel; 34, support side Plate; 35, fixing ring; 36, vacuum nozzle; 37, T-shaped middle seat; 38, T-shaped central groove; 39, T-shaped external groove; 40, T-type external tool holder.

detailed description

The embodiments of the present invention will be further described in detail below in conjunction with the specific embodiments.

As shown in FIG. 1-5, the embodiment of the invention discloses a slotting machine, which comprises a T-shaped cutter head, and the T-shaped cutter head comprises an inner cylindrical central cutting seat 1 , and the lower end surface of the middle cutting seat 1 is evenly arranged. There are four bottom middle milling cutters 2, the front end of the cross section of the bottom middle milling cutter 2 is a right-angled trapezoid, the rear end of the cross-section is square, and the middle connecting plate 3 is provided on both sides of the middle portion of the bottom middle milling cutter 2, the middle connecting plate 3 is connected to the bottom surface of the middle cutting seat 1 through the bottom bolt 4; a T-shaped central groove 38 is disposed on the side wall of the middle cutting seat 1 between any two bottom middle milling cutters 2, and the T-shaped central groove 38 is inserted There is a T-shaped middle seat 37, and a side central milling cutter 5 having a right-angled trapezoidal cross section is disposed on the outer side of the T-shaped middle seat 37, and the T-shaped middle seat 37 passes through the side wall bolt 7 and the side wall of the middle cutting seat 1 connection;

The outer side of the middle cutting seat 1 is sleeved with a circular outer peripheral cutting seat 10, and the lower end surface of the outer cutting seat 10 is evenly provided with four outer surface outer milling cutters 8, and the front end of the cross section of the outer surface outer milling cutter 8 is a right-angled trapezoid. The rear end of the cross section is square, and the outer side of the bottom outer cutter 8 is provided with an outer connecting plate 9, and the outer connecting plate 9 is connected to the bottom surface of the peripheral cutting seat 10 through the bottom bolt 4; A T-shaped outer groove 39 is disposed on the side wall of the peripheral cutting seat 10, and a T-shaped outer blade seat 40 is inserted into the T-shaped outer groove 39. The outer side of the T-shaped outer blade holder 40 is provided with a right angle cross section. The trapezoidal side outer cutter 11, the T-shaped outer seat 40 is connected to the side wall of the peripheral cutting seat 10 by a side wall bolt 7.

A central connecting post 15 is disposed on the upper end surface of the central cutting block 1 , and an outer connecting seat 12 is disposed on the upper end surface of the peripheral cutting seat 10 , and a guiding connecting ring sleeved outside the central connecting post 15 is disposed above the outer connecting seat 12 . 13. The guide connecting ring 13 is connected to the middle connecting post 15 via a limit bolt 14.

The outer end portion of the bottom middle milling cutter 2 is flush with the outer end surface of the side central milling cutter 5.

The outer end portion of the bottom outer cutter 8 is flush with the outer end surface of the side outer cutter 11.

The height of the peripheral cutting seat 10 is 1/3 of the height of the middle cutting seat 1.

The height of the outer joint 12 is 2/3 times the height of the middle cutter 1.

The middle connecting post 15 has a square cross section, and the guiding connecting ring 13 has a square ring shape in cross section.

A drive motor 17 is disposed above the middle connecting post 15, and a lower end of the rotating shaft 16 of the driving motor 17 is fixedly connected with the middle connecting post 15; a rear connecting plate 20 is disposed at the rear of the driving motor 17, and a horizontal portion of the rear end of the connecting riser 20 is horizontally disposed. The horizontal plate 21 is provided with a guide adjusting screw 22 above the horizontal horizontal plate 21, and the upper end of the guiding adjusting screw 22 passes through a supporting top plate 19 to the upper side of the supporting top plate 19, and the threaded connection of the guiding adjusting screw 22 above the supporting top plate 19 is limited. Position nut 23, the top end of the adjustment screw 22 is provided with an operating handle 24;

A support side plate 34 is disposed at a rear end of the lower end surface of the support top plate 19. The support leg 18 is symmetrically disposed on both sides of the front end of the lower end surface of the support top plate 19. The front travel wheel 6 is disposed below the support leg 18, and the rear end surface of the support side plate 34 is supported. The lower side is provided with a supporting bottom plate 32, and the lower end surface of the supporting bottom plate 32 is symmetrically disposed with a rear walking wheel 33;

The upper end of the supporting side plate 34 is inlaid with a guiding collar 27 having a square ring shape in cross section. The inside of the guiding collar 27 is inserted with a push-pull positioning plate 26 supported under the horizontal horizontal plate 21. The lower end of the front end of the sliding positioning plate 26 is limited. The position bump 25 is screwed to the upper end of the push-pull positioning plate 26 with a connecting screw 29, and the upper end of the connecting screw 29 is provided with a push-pull ring 28.

A vacuum cleaner 31 is disposed on the upper end surface of the support bottom plate 32. The lower side of the front end surface of the support side plate 34 is provided with a dust suction nozzle 36 via a fixing ring 35, and a dust suction pipe 30 is disposed between the vacuum cleaner 31 and the dust suction nozzle 36.

The front and rear ends of the operating handle 24 are also symmetrically disposed with an L-shaped operating lever 37. The upper end of the operating lever 37 is sleeved with an operating sleeve 38, and the outer wall of the operating sleeve 38 is evenly provided with a hemispherical anti-slip projection 39.

The invention adopts a T-shaped cutter head, can conveniently and quickly mill a T-shaped groove on the floor of the building, can place a wire or a pipe in the middle part of the lower end of the T-shaped groove, and then has a wider groove at the upper end. The inside of the body is placed in a wooden board or a slate for sealing, which is convenient for post-maintenance, convenient and quick to maintain, and does not require destructive changes to the ground, and is particularly suitable for occasions where the wire needs to be adjusted or replaced frequently. The T-shaped cutter head comprises a cylindrical central cutting seat 1 on the inner side and a circular outer peripheral cutting seat 10 on the outer side; the lower end surface of the middle cutting seat 1 is evenly provided with four bottom central milling cutters 2, located on any two bottom surfaces A side central milling cutter 5 is disposed on the side wall of the middle cutting seat 1 between the middle milling cutters 2; four lower outer milling cutters 8 are evenly disposed on the lower end surface of the peripheral cutting seat 10, and are located on any two outer surface outer milling cutters A side outer cutter 11 is disposed on a side wall of the peripheral cutting seat 10 between 8; the overall depth and upper portion of the T-slot to be milled can be adjusted by adjusting the upper and lower relative positions of the middle cutting seat 1 and the peripheral cutting seat 10 The depth of the lower part of the body; no need to cut or hammer the ground, the noise is greatly reduced, the impact and damage to the ground is less, and the milled T-slot is flatter on both the bottom and the side.

The front end of the cross section of the bottom middle milling cutter 2 is a right-angled trapezoid, and the rear end of the cross-section is square. The front end of the cross-section of the outer cutter 8 is a right-angled trapezoid, and the rear end of the cross-section is square, which can ensure the bottom-end milling cutter. 2 In the case of the overall strength of the outer surface milling cutter 8, the cutting edge of the front end has a certain thickness, the strength is better, and the service life is greatly extended.

The bottom middle milling cutter 2 is connected to the bottom surface of the middle cutting seat 1 through the middle connecting plate 3 and the bottom bolt 4 on both sides of the middle portion; the outer outer milling cutter 8 passes through the outer connecting plate 9 on the middle side and the bottom bolt 4 and the peripheral cutting seat 10 The bottom surface is connected; it is convenient and quick to timely remove, polish or replace the worn or damaged tool parts.

A T-shaped central groove 38 is disposed on a side wall of the central cutting seat 1 between any two bottom middle milling cutters 2, and a T-shaped central seat 37 is inserted into the T-shaped central groove 38, and the T-shaped central seat 37 is inserted. A lateral middle milling cutter 5 having a right-angled trapezoidal cross section is disposed on the outer side, and the T-shaped middle cutter seat 37 is connected to the side wall of the middle cutting seat 1 through the side wall bolts 7 for convenient and quick connection, and the side central milling cutter 5 is easily replaced. It can timely remove, polish or replace worn or damaged tool parts.

A T-shaped outer groove 39 is disposed on a side wall of the peripheral cutting seat 10 between any two of the bottom outer cutters 8. A T-shaped outer seat 40 is inserted into the T-shaped outer groove 39, and the T-shaped outer seat 40 is inserted. On the outer side, a side outer cutter 11 having a right-angled trapezoidal cross section is disposed. The T-shaped outer seat 40 is connected to the side wall of the peripheral cutting seat 10 through the side wall bolts 7, and the connection is convenient and fast, and the side central milling cutter 5 is easily replaced. It can timely remove, polish or replace worn or damaged tool parts.

A central connecting post 15 is disposed on the upper end surface of the central cutting block 1 , and an outer connecting seat 12 is disposed on the upper end surface of the peripheral cutting seat 10 , and a guiding connecting ring sleeved outside the central connecting post 15 is disposed above the outer connecting seat 12 . 13. The guide connecting ring 13 is connected to the middle connecting post 15 through the limiting bolt 14 , and can slide up and down on the outer side of the middle connecting post 15 through the guiding connecting ring 13 to adjust the upper and lower relative positions between the middle cutting seat 1 and the peripheral cutting seat 10 . Then, the fixing bolt 14 is fixed to fix the relative position between the middle cutting seat 1 and the peripheral cutting seat 10.

The outer end portion of the bottom middle milling cutter 2 is flush with the outer end surface of the side central milling cutter 5, so that the bottom surface and the side surface of the milled T-shaped groove are flat and the right angle of the joint is flat.

The outer end portion of the outer surface outer cutter 8 is flush with the outer end surface of the outer side milling cutter 11, so that the bottom end surface and the side surface of the milled T-shaped groove are flat and the right angle of the joint is flat.

The cross section of the middle connecting post 15 is square, and the cross section of the guiding connecting ring 13 is a square ring shape, which can better ensure the synchronous rotation of the peripheral cutting seat 10 and the middle cutting seat 1.

A driving motor 17 is disposed above the central connecting post 15 . The lower end of the rotating shaft 16 of the driving motor 17 is fixedly connected to the central connecting post 15 , and can rotate the central cutting seat 1 and the peripheral cutting seat 10 synchronously through the rotating shaft 16 , and simultaneously drive the bottom surface and The individual milling cutters on the side cut the T-slot.

A rear connecting plate 20 is disposed at the rear of the driving motor 17, and a horizontal horizontal plate 21 is disposed at an upper portion of the rear end of the connecting vertical plate 20. A guiding adjusting screw 22 is disposed above the horizontal horizontal plate 21, and the upper end of the guiding adjusting screw 22 passes through a support. Above the top plate 19 to the top plate 19, the guide adjusting screw 22 above the supporting top plate 19 is screwed to the limit nut 23, and the top end of the guiding adjusting screw 22 is provided with an operating handle 24, which can be adjusted by adjusting the position of the limiting nut 23. The longest distance between the bottom middle milling cutter 2 and the bottom outer milling cutter 8 can be moved downwards, that is, the depth at which the T-shaped groove can be milled.

The upper end of the supporting side plate 34 is inlaid with a guiding collar 27 having a square annular cross section. The inside of the guiding collar 27 is inserted with a push-pull positioning plate 26 supported under the horizontal horizontal plate 21, which can push the push-pull positioning plate 26 to the horizontal level. Below the horizontal plate 21, the horizontal horizontal plate 21 is restricted from moving downward, and the push-pull positioning plate 26 is pulled out to the lower side of the horizontal horizontal plate 21, so that the horizontal horizontal plate 21 can be moved downward, so that the operating handle 24 can be pushed downward. Then, the front traveling wheel 6 and the rear traveling wheel 33 are moved forward and backward by pushing and pulling back and forth, and the middle cutting seat 1 and the peripheral cutting seat 10 and their respective milling cutters are moved back and forth to mill a T-shaped groove requiring depth.

A finite stop bump 25 is disposed below the front end of the push-pull positioning plate 26, so that when the push-pull positioning plate 26 is pulled outward, the push-pull positioning plate 26 is pulled out too much and pulled out.

A connecting screw 29 is screwed onto the rear end of the push-pull positioning plate 26. The upper end of the connecting screw 29 is provided with a push-pull ring 28, and the push-pull ring 28 can be used to control the inward pushing and outward pulling of the push-pull positioning plate 26.

A support side plate 34 is disposed at a rear end of the lower end surface of the support top plate 19. The support leg 18 is symmetrically disposed on both sides of the front end of the lower end surface of the support top plate 19. The front travel wheel 6 is disposed below the support leg 18, and the rear end surface of the support side plate 34 is supported. The lower side is provided with a supporting bottom plate 32. The lower end surface of the supporting bottom plate 32 is symmetrically disposed with a rear traveling wheel 33. The supporting top plate 19, the supporting side plate 34 and the two supporting legs 18 form a supporting frame, which can ensure the driving motor 17, Positioning and supporting of the middle cutting seat 1 and the peripheral cutting seat 10 and other components, while ensuring the adjustment of the relative position of the middle cutting seat 1 and the peripheral cutting seat 10 and the tightening of the limiting bolt 14; the front traveling wheel below the supporting leg 18 6 and the rear traveling wheel 33 below the supporting bottom plate 32 constitute a running mechanism, which facilitates the movement of the entire slotting machine and the milling process.

A vacuum cleaner 31 is disposed on the upper end surface of the support bottom plate 32. The lower side of the front end surface of the support side plate 34 is provided with a dust suction nozzle 36 through the fixing ring 35, and a dust suction pipe 30 is disposed between the vacuum cleaner 31 and the dust suction nozzle 36. The dust generated during the milling process is sucked away to avoid the influence of dust on the workers during the milling process.

The front end of the front and rear sides of the operating handle 24 is also symmetrically disposed with an L-shaped operating lever 37. The upper end of the operating lever 37 is sleeved with an operating sleeve 38. The outer wall of the operating sleeve 38 is evenly provided with a semi-spherical anti-skid protrusion 39. It can be operated by holding the operating handle 24, or by holding the front and rear operating sleeves 38.

In the slotting machine of the embodiment of the present invention, according to the position to be slotted, the contour lines on both sides of the tank body and the moving route of the front traveling wheel 6 or the rear traveling wheel 33 are drawn on the ground, and then opened as needed. The overall depth, the upper depth and the lower depth of the T-shaped groove are sequentially adjusted to the relative positions of the middle cutting seat 1 and the peripheral cutting seat 10 and the position of the limit nut 23, and then the operator is located on one side of the slotting machine to start the driving motor 17 and the vacuum cleaner 31 start the slotting operation; when the slotting operation is performed, the operator first grasps the push-pull ring 28, pulls it outward, pulls the push-pull positioning plate 26 outward to the rear end of the horizontal cross plate 21, and then holds the operation handle. 24 or the operating sleeve 38, pushing down, so that the bottom middle milling cutter 2 and the side central milling cutter 5 of the middle cutting seat 1 and the bottom outer milling cutter 8 and the lateral outer milling cutter 11 of the peripheral cutting seat 10 sequentially cut the ground. The lower end surface of the limit nut 23 is in contact with the upper end surface of the support top plate 19, and then moved forward and backward by the front traveling wheel 6 and the rear traveling wheel 33, thereby milling the T-shaped groove on the ground, which is convenient to operate, and the T-shaped groove can be operated once. Complete, exercise After the completion, pull the operating handle 24 or the operating sleeve 38 to a certain height, then hold the push-pull ring 28, push it inward, push the push-pull positioning plate 26 inward to the lower side of the horizontal horizontal plate 21; the operator is located On the side of the slot machine, it is possible to observe whether the movement path of the front traveling wheel 6 or the rear traveling wheel 33 is accurate at any time, and to ensure that the groove body is straight.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art may use the above-disclosed technical contents to change or modify the equivalent equivalent. Example. However, any simple modifications, equivalent changes and modifications made to the above embodiments in accordance with the technical spirit of the present invention are still within the scope of protection of the technical solutions of the present invention.

Claims

A slotting machine, comprising: a T-shaped cutter head, wherein the T-shaped cutter head comprises an inner cylindrical central cutting seat, and the lower end surface of the middle cutting seat is uniformly provided with 3-6 bottom surface milling a knives, a front end of the cross section of the bottom middle milling cutter is a right-angled trapezoid, and a rear end of the cross-section is square, and a middle connecting plate is disposed on both sides of the middle portion of the bottom middle milling cutter, and the middle connecting plate passes through the bottom bolt The bottom surface of the middle cutting seat is connected; a side wall of the middle cutting seat between any two of the bottom middle milling cutters is provided with a T-shaped central groove, and the T-shaped central groove is inserted with a T-shaped a middle middle cutter having a side central milling cutter having a right-angled trapezoidal cross section on an outer side of the T-shaped middle seat, the T-shaped middle seat being connected to a side wall of the middle cutting seat by a side wall bolt;

The outer side of the middle cutting seat is sleeved with a circular outer peripheral cutting seat, and the lower end surface of the outer cutting seat is uniformly provided with 3-6 outer surface outer milling cutters, and the front end of the cross section of the outer surface outer milling cutter is a right-angled trapezoid, the rear end of the cross-section is square, and the outer side of the bottom outer cutter is provided with an outer connecting plate, and the outer connecting plate is connected to the bottom surface of the peripheral cutting seat through the bottom bolt; a T-shaped outer groove is disposed on a sidewall of the peripheral cutting seat between the bottom outer cutters, and a T-shaped outer seat is inserted into the T-shaped outer groove, and the T-shaped outer seat is inserted A lateral outer cutter having a right-angled trapezoidal cross section is disposed on the outer side, and the T-shaped outer seat is connected to the side wall of the peripheral cutting seat by the side wall bolt.
The slotting machine according to claim 1, wherein the upper end surface of the middle cutting seat is provided with a middle connecting post, and the upper end surface of the peripheral cutting seat is provided with an outer connecting seat, the outer connecting seat The upper side of the middle is provided with a guiding connecting ring which is sleeved outside the middle connecting post, and the guiding connecting ring is connected to the middle connecting post by a limiting bolt.
The grooving machine according to claim 1 or 2, wherein the outer end portion of the bottom middle milling cutter is flush with the outer end surface of the side central milling cutter.
A grooving machine according to any one of claims 1 to 3, wherein the outer end portion of the bottom outer cutter is flush with the outer end surface of the side outer cutter.
A grooving machine according to any one of claims 1 to 4, wherein the height of the peripheral cutting seat is 1/4 - 1/2 of the height of the middle cutting seat.
The grooving machine according to any one of claims 1 to 5, wherein the height of the outer connecting seat is 1/2 to 1 times the height of the middle cutting seat.
The grooving machine according to any one of claims 1 to 6, wherein the middle connecting post has a square cross section, and the guide connecting ring has a square ring shape in cross section.
The grooving machine according to any one of claims 1 to 7, wherein a driving motor is disposed above the middle connecting post, and a lower end of the rotating shaft of the driving motor is fixedly connected with the middle connecting post; The rear of the motor is provided with a connecting vertical plate, a middle horizontal portion of the rear end of the connecting vertical plate is provided with a horizontal horizontal plate, a guiding adjusting screw is arranged above the horizontal horizontal plate, and an upper end of the guiding adjusting screw passes through a support a top plate to the top of the support top plate, the guide adjusting screw above the support top plate is threadedly connected to the limit nut, and the top end of the guide adjusting screw is provided with an operating handle;

a support side plate is disposed at a rear end of the lower end surface of the support top plate, and a support leg is symmetrically disposed on both sides of the front end of the lower end surface of the support top plate, and a front walking wheel is disposed below the support leg, and the rear side of the support side plate is disposed a support bottom plate is disposed on a lower side of the end surface, and a rear walking wheel is symmetrically disposed on both sides of the lower end surface of the support bottom plate;

The upper end of the supporting side plate is inlaid with a guiding collar having a square ring cross section, and the inside of the guiding collar is inserted with a push-pull positioning plate supported under the horizontal horizontal plate, and the front end of the sliding positioning plate is below A limiting block is disposed, a connecting screw is threadedly connected to the rear end of the push-pull positioning plate, and a push-pull ring is disposed at an upper end of the connecting screw.
The grooving machine according to any one of claims 1 to 8, wherein a vacuum cleaner is disposed on an upper end surface of the support bottom plate, and a suction nozzle is disposed on a lower side of the front end surface of the support side plate through a fixing ring. A dust suction pipe is disposed between the vacuum cleaner and the dust suction nozzle.
The slotting machine according to any one of claims 1 to 9, wherein an end portion of the front and rear sides of the operating handle is symmetrically disposed with an L-shaped operating lever, and an outer end of the operating rod is sleeved with an operation. The sleeve is evenly provided with a semi-spherical anti-skid protrusion on the outer wall of the operation sleeve.