CN111906838A

CN111906838A - PVC cutting device for cutting and grinding cutting opening

Info

Publication number: CN111906838A
Application number: CN202010819309.9A
Authority: CN
Inventors: 罗超
Original assignee: Lanxi Taigang Electronic Technology Co ltd
Current assignee: Lanxi Taigang Electronic Technology Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2020-11-10

Abstract

The invention discloses a PVC cutting device for cutting and grinding a cutting opening, which comprises a machine case, a working cavity with an opening at the upper side and the lower side is arranged in the case, a case cavity connected to the right side of the working cavity is arranged in the case, a cutting box is connected in the box cavity in a sliding way, a cutting cavity with a leftward opening is arranged in the cutting box, a left rotating shaft is connected in the top wall of the cutting cavity in a rotating way, a cutting blade for cutting is fixedly arranged on the left rotating shaft, compared with the traditional PVC pipe cutting mode, firstly, the PVC pipe cutting machine cuts the PVC pipe in an electrically driven mode, and after cutting, the cutting opening of the PVC pipe is ground, so that the cutting opening becomes smooth, and in addition, the PVC pipe cutting and recycling of the cutting box and the separation of the PVC pipe are respectively completed through the forward and reverse rotation of the motor.

Description

PVC cutting device for cutting and grinding cutting opening

Technical Field

The invention relates to the field of PVC pipe cutting, in particular to a PVC cutting device for cutting and grinding a cutting opening.

Background

With the development of the times, the PVC pipe is widely applied to the lives of residents as a common pipeline tool, and has the advantages of good tensile strength and compressive strength, corrosion resistance, water tightness and the like.

However, the PVC pipe often can lead to the cutting back because of the thickness scheduling problem of cutting knife after the cutting, and the cutting surface of PVC pipe has burr etc to make the cutting opening not smooth, reduce the travelling comfort etc. need design one kind and can be in the device of its cutting plane of cutting PVC pipe back grinding.

Disclosure of Invention

The technical problem is as follows: the cutting opening of the PVC pipe after cutting is provided with burrs and the like, and a device capable of grinding the cutting surface of the PVC pipe after cutting is needed to be designed.

For solving the problems, the PVC cutting device for cutting and grinding cutting opening is designed according to the embodiment, the PVC cutting device for cutting and grinding cutting opening comprises a case, the machine is internally provided with a working chamber with an opening on the upper side and the lower side, the machine is internally provided with a box chamber connected to the right side of the working chamber, the box chamber is internally and slidably connected with a cutting box, the cutting box is internally provided with a cutting chamber with an opening on the left side, the cutting chamber top wall is rotationally connected with a left rotating shaft, a cutting blade for cutting is fixedly arranged on the left rotating shaft, the machine is fixedly arranged on the right side of the box chamber, a driving shaft is fixedly arranged on an output shaft on the left side of the bidirectional rotating motor, the spline connection in the driving shaft is provided with a spline shaft capable of moving left and right and stretching into a spline shaft in the cutting box, the cutting box is internally provided with a driving motor controlled to drive the bidirectional rotating The cutting device of cutting, the quick-witted incasement is equipped with the middle chamber that the opening is left, sliding connection has the stretch into in the middle chamber antetheca go up the transfer link in the work intracavity, sliding connection has the stretch into in the middle chamber back wall the lower transfer link in the work intracavity, go up the transfer link with install the holder that is used for the centre gripping on the lower transfer link, the work intracavity be equipped with the centre gripping in PVC pipe on the holder, the middle intracavity be equipped with can drive go up the transfer link with the mobile device that the lower transfer link reciprocated, quick-witted incasement be equipped with connect in the work chamber is left, go up the transfer link with lower transfer link sliding connection in thereby can seal or open in the work chamber left wall the right side opening, be equipped with after the ability grinding cutting the grinding device of PVC pipe cutting mouth.

Wherein, cutting device is including locating cutting incasement and being located cutting chamber downside transmission chamber, the left side axis of rotation stretches into the transmission intracavity just the left side axis of rotation downside has set firmly input bevel gear, the integral key shaft stretches into the transmission intracavity just the integral key shaft left side has set firmly the meshing connect in input bevel gear's output bevel gear, input bevel gear with be connected with the universal joint between the output bevel gear, be equipped with in the transmission intracavity and be fixed in machine incasement wall's rack plate, transmission chamber roof internal rotation is connected with the right turn axis, the right turn axis of rotation on set firmly the meshing connect in rack plate, the right turn axis of rotation on set firmly the right band pulley, the left side axis of rotation on set firmly the left band pulley, the right band pulley with be connected with the belt between the left band pulley.

The movable device comprises a driving shaft extending into the middle cavity, an intermediate gear connected to the driving shaft is arranged in the middle cavity, the intermediate gear is meshed with the side tooth surface of the upper moving rod and the side surface of the lower moving rod, extending cavities with outward openings are formed in the driving shaft in an annular distribution mode, a clamping plate shaft is rotatably connected to the inner wall of the extending cavity, clamping plates are fixedly arranged on the clamping plate shaft, torsion springs connected to the inner wall of the intermediate gear and the clamping plates are wound on the clamping plate shaft, clamping cavities are formed in the intermediate gear in an annular distribution mode, and the clamping plates can extend into the extending cavities or the clamping cavities.

The grinding device comprises a cylinder fixedly arranged in the left wall, the right side of the cylinder is connected with a cylinder rod, a motor for turning is fixedly arranged on the right side of the cylinder rod, a moving box is fixedly arranged on an output shaft on the right side of the motor for turning, the cylinder is fixedly arranged in the moving box, the lower side of the cylinder is connected with the cylinder rod extending out of the moving box, the motor for grinding is fixedly arranged on the lower side of the cylinder rod, a rotary table is fixedly arranged on the lower side of the motor for grinding, a jacking cavity is arranged in the rotary table, a grinding box capable of moving up and down is slidably connected in the jacking cavity, a first jacking spring connected to the top wall of the jacking cavity and the upper side of the grinding box is arranged in the jacking cavity, and a clamping device which is bilaterally.

The tight-sticking device comprises telescopic cavities which are symmetrically arranged in the grinding box in a left-right mode, telescopic plates are connected in the telescopic cavities in a sliding mode, and second jacking springs connected between the inner walls of the telescopic cavities and the telescopic plates are arranged in the telescopic cavities.

The invention has the beneficial effects that: compared with the traditional PVC pipe cutting mode, the PVC pipe cutting device has the advantages that firstly, the PVC pipe is cut in an electric driving mode, and after the PVC pipe is cut, the cut opening of the PVC pipe is ground, so that the cut opening becomes smooth.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of the overall structure of a PVC cutting device for cutting and grinding cutting openings according to the invention;

FIG. 2 is an enlarged schematic view taken at "A" in FIG. 1;

FIG. 3 is a schematic view of the structure in the direction "B-B" in FIG. 1;

fig. 4 is an enlarged schematic view of the intermediate gear of fig. 3.

Detailed Description

The invention will now be described in detail with reference to fig. 1 to 4, for the sake of convenience of description, the following orientations are now defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a PVC cutting device for cutting and grinding cut openings, which is further described below with reference to the accompanying drawings of the invention:

the PVC cutting device for cutting and grinding cutting openings comprises a case 15, wherein a working cavity 43 with an opening facing upwards and downwards is arranged in the case 15, a case cavity 65 connected to the right side of the working cavity 43 is arranged in the case 15, a cutting case 27 is connected in the case cavity 65 in a sliding manner, a cutting cavity 28 with a left opening is arranged in the cutting case 27, a left rotating shaft 41 is connected in the top wall of the cutting cavity 28 in a rotating manner, a cutting blade 66 for cutting is fixedly arranged on the left rotating shaft 41, a bidirectional rotating motor 16 positioned on the right side of the case cavity 65 is fixedly arranged in the case 15, a driving shaft 32 is fixedly arranged on an output shaft on the left side of the bidirectional rotating motor 16, a spline shaft 33 capable of moving left and right and extending into the cutting case 27 is connected in a spline manner in the driving shaft 32, a cutting blade capable of moving left and right and cutting through the cutting blade 66 is arranged in the cutting case 27 and can be A cutting device 101, a middle cavity 18 with a left opening is arranged in the case 15, an upper moving rod 14 extending into the working cavity 43 is connected in a sliding way in the front wall of the middle cavity 18, a lower moving rod 17 extending into the working cavity 43 is connected in the rear wall of the middle cavity 18 in a sliding way, the upper moving rod 14 and the lower moving rod 17 are provided with a clamper 25 for clamping, a PVC pipe 42 clamped on the clamp holder 25 is arranged in the working cavity 43, a moving device 102 capable of driving the upper moving rod 14 and the lower moving rod 17 to move up and down is arranged in the middle cavity 18, the cabinet 15 is provided with a 67 connected to the left side of the working chamber 43, the upper moving rod 14 and the lower moving rod 17 are slidably connected to the left wall of the working chamber 43 so as to close or open the right opening of the 67, and a grinding device 103 capable of grinding the cut opening of the PVC pipe 42 after cutting is arranged in the groove 67.

According to the embodiment, the cutting device 101 is described in detail below, the cutting device 101 includes a transmission cavity 30 disposed in the cutting box 27 and located below the cutting cavity 28, the left rotating shaft 41 extends into the transmission cavity 30, an input bevel gear 37 is fixedly disposed below the left rotating shaft 41, the spline shaft 33 extends into the transmission cavity 30, an output bevel gear 35 engaged with the input bevel gear 37 is fixedly disposed on the left side of the spline shaft 33, a universal joint 36 is connected between the input bevel gear 37 and the output bevel gear 35, a rack plate 34 fixed to the inner wall of the housing 15 is disposed in the transmission cavity 30, a right rotating shaft 31 is rotatably connected to the top wall of the transmission cavity 30, a 68 engaged with the rack plate 34 is fixedly disposed on the right rotating shaft 31, a right pulley 29 is fixedly disposed on the right rotating shaft 31, a left pulley 40 is fixedly disposed on the left rotating shaft 41, a belt 39 is connected between the right belt wheel 29 and the left belt wheel 40, when the bidirectional rotating motor 16 is started, the driving shaft 32 can be driven to rotate, the driving shaft 32 is connected with the driving spline shaft 33 through a spline to rotate, the spline shaft 33 rotates to drive the left rotating shaft 41 to rotate through the meshing of the output bevel gear 35 and the input bevel gear 37, the left rotating shaft 41 rotates to drive the cutting blade 66 to rotate for cutting, meanwhile, the left rotating shaft 41 rotates to drive the left belt wheel 40 to rotate, the left belt wheel 40 rotates to drive the right belt wheel 29 to rotate through the belt 39, that is, the right rotating shaft 31 is rotated, the right rotating shaft 31 rotates to move the cutting box 27 to the left by the engagement of the rack plate 34 through the rack 68 so that the cutting blade 66 can cut the PVC pipe 42, and at the same time the cutting box 27 moves to the left, the spline shaft 33 is moved leftward along the inside of the drive shaft 32 by the connecting action of the universal joint 36.

According to the embodiment, the mobile device 102 is described in detail below, the mobile device 102 includes the driving shaft 32 extending into the middle cavity 18, an intermediate gear connected to the driving shaft 32 is disposed in the middle cavity 18, the intermediate gear is engaged with the side tooth surfaces of the upper moving rod 14 and the lower moving rod 17, an outwardly opening extending cavity 60 is disposed in the driving shaft 32 in an annular distribution, a clamping plate shaft 62 is rotatably connected to the inner wall of the extending cavity 60, a clamping plate 63 is fixedly disposed on the clamping plate shaft 62, a torsion spring 61 connected to the inner wall of the intermediate gear and the clamping plate 63 is wound on the clamping plate shaft 62, a clamping cavity 64 is disposed in the intermediate gear in an annular distribution, the clamping plate 63 can extend into the extending cavity 60 or the clamping cavity 64, and when the bidirectional rotating motor 16 is started to drive the cutting box 27 to move leftward, the driving shaft 32 rotates to drive the intermediate gear to rotate through the clamping plate 63, so as to drive the upper moving rod 14 to move downward and drive the upper moving rod 14 to move downward through engagement The lower moving rod 17 is driven to move upwards until the limit position, the clamping plate 63 is pressed to leave the clamping cavity 64, so that the driving shaft 32 rotates and does not drive the middle gear to rotate any more, when the bidirectional rotating motor 16 is started and drives the driving shaft 32 to rotate reversely, the torsion spring 61 rotates the clamping plate 63 to stretch into the clamping cavity 64 when the driving shaft 32 rotates reversely, the driving shaft 32 rotates reversely and drives the middle gear to rotate reversely through the clamping plate 63, the middle gear rotates reversely and drives the upper moving rod 14 to move upwards and drives the lower moving rod 17 to move downwards through meshing, and therefore the cut PVC pipes 42 are separated.

According to the embodiment, the grinding device 103 is described in detail below, the grinding device 103 includes a cylinder 54 fixed in the left wall of the 67, the right side of the cylinder 54 is connected with a cylinder rod 53, the right side of the cylinder rod 53 is fixed with a direction-changing motor 56, an output shaft at the right side of the direction-changing motor 56 is fixed with a movable box 50, a cylinder 51 is fixed in the movable box 50, the lower side of the cylinder 51 is connected with a cylinder rod 57 extending out of the movable box 50, the lower side of the cylinder rod 57 is fixed with a grinding motor 55, the lower side of the grinding motor 55 is fixed with a rotary table 49, a top pressure cavity 52 is arranged in the rotary table 49, a grinding box 47 capable of moving up and down is slidably connected in the top pressure cavity 52, a first top pressure spring 48 connected in the top wall of the top pressure cavity 52 and on the upper side of the grinding box 47 is arranged in the top pressure cavity 52, and left and right symmetrical, after the PVC pipe 42 is cut and separated, the air cylinder 54 is started to drive the movable box 50 to move rightwards through the air cylinder rod 53 to an intermediate position in the working chamber 43, the air cylinder 51 is started to drive the rotary table 49 to move downwards through the air cylinder rod 57 until the grinding box 47 contacts with a cutting opening on the upper side of the grinding box 47 on the lower side after cutting, the grinding motor 55 rotates to grind the cutting opening so as to smooth the cutting opening, then the air cylinder 51 is started to drive the rotary table 49 to move upwards through the air cylinder rod 57, the direction-changing motor 56 is started to drive the movable box 50 to rotate for a half circle, the air cylinder 51 is started to drive the rotary table 49 to move upwards through the air cylinder rod 57 until the cutting opening on the lower side of the grinding box 47 on the upper side after cutting, finally, the grinding motor 55 stops running, the air cylinder 51 is started to drive the rotary table 49 to move downwards through the air cylinder, the cylinder 54 is activated to move the movable box 50 to the left to the home position by the cylinder rod 53.

According to an embodiment, the following detailed description is provided for the fastening device 104, the fastening device 104 includes a telescopic cavity 45 symmetrically disposed in the grinding box 47, a telescopic plate 44 is slidably connected in the telescopic cavity 45, a second pressing spring 46 connected between an inner wall of the telescopic cavity 45 and the telescopic plate 44 is disposed in the telescopic cavity 45, when the grinding box 47 is to be moved to be attached to the cut of the PVC pipe 42, the telescopic plate 44 is pressed to move into the telescopic cavity 45, the second pressing spring 46 is pressed to contract, after the lower side of the grinding box 47 contacts the cut of the PVC pipe 42, the grinding box 47 moves into the pressing cavity 52, and the first pressing spring 48 is pressed to contract, so as to achieve the purpose of attaching to the cut of the PVC pipe 42.

The following will describe in detail the use steps of a PVC cutting device for cutting and grinding cutting openings herein with reference to fig. 1 to 4: in the initial state, the gripper 25 grips the PVC pipe 42, the cutting box 27 is in the right extreme position and the moving box 50 is in the left extreme position.

When a PVC pipe 42 is to be cut, the bidirectional rotating motor 16 is started to drive the driving shaft 32 to rotate, the driving shaft 32 rotates to drive the spline shaft 33 to rotate through spline connection, the spline shaft 33 rotates to drive the left rotating shaft 41 to rotate through the meshing of the output bevel gear 35 and the input bevel gear 37, the left rotating shaft 41 rotates to drive the cutting blade 66 to rotate for cutting, meanwhile, the left rotating shaft 41 rotates to drive the left belt pulley 40 to rotate, the left belt pulley 40 rotates to drive the right belt pulley 29 to rotate through the belt 39, namely, the right rotating shaft 31 rotates to drive the cutting box 27 to move leftwards through the meshing of the belt 68 and the rack plate 34, so that the cutting blade 66 can cut the PVC pipe 42, the cutting box 27 moves leftwards, and the spline shaft 33 moves leftwards along the inside of the driving shaft.

After cutting, the bidirectional rotating motor 16 is started to drive the driving shaft 32 to rotate reversely, the torsion spring 61 rotates the clamping plate 63 to extend into the clamping cavity 64 when the driving shaft 32 rotates reversely, the driving shaft 32 rotates reversely to drive the middle gear to rotate reversely through the clamping plate 63, the middle gear rotates reversely to drive the upper moving rod 14 to move upwards and drive the lower moving rod 17 to move downwards through meshing, and therefore the cut PVC pipes 42 are separated.

When the cut on the cut PVC pipe 42 is to be ground, the air cylinder 54 is started to drive the movable box 50 to move rightwards to the middle position in the working chamber 43 through the air cylinder rod 53, the air cylinder 51 is started to drive the rotary table 49 to move downwards through the air cylinder rod 57 until the grinding box 47 contacts the cut on the upper side of the grinding box 47 on the lower side after cutting, the cut can be ground by the rotation of the grinding motor 55 so as to be smooth, then the air cylinder 51 is started to drive the rotary table 49 to move upwards through the air cylinder rod 57, the direction-changing motor 56 is started to drive the movable box 50 to rotate for half a circle, the air cylinder 51 is started to drive the rotary table 49 to move upwards through the air cylinder rod 57 until the cut on the lower side of the grinding box 47 on the upper side after cutting, finally, the operation of the grinding motor 55 is stopped, the air cylinder 51 is started to drive the rotary table 49 to move downwards to the lower limit position, the cylinder 54 is activated to move the movable box 50 to the left to the home position by the cylinder rod 53.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a PVC cutting device for cutting and grinding cutting opening, includes quick-witted case, its characterized in that: the cutting machine is characterized in that a working cavity with an opening facing upwards and downwards is arranged in the machine case, a box cavity connected to the right side of the working cavity is arranged in the machine case, a cutting box is connected in the box cavity in a sliding manner, a cutting cavity with an opening facing leftwards is arranged in the cutting box, a left rotating shaft is connected in the top wall of the cutting cavity in a rotating manner, a cutting blade for cutting is fixedly arranged on the left rotating shaft, a bidirectional rotating motor positioned on the right side of the box cavity is fixedly arranged in the machine case, a driving shaft is fixedly arranged on an output shaft on the left side of the bidirectional rotating motor, a spline shaft which can move leftwards and rightwards and extends into the cutting box is connected in a spline manner in the driving shaft, a cutting device which can drive the cutting box to move leftwards and cut through the cutting blade is arranged in the cutting box through the control of the, the PVC pipe cutting machine is characterized in that the lower moving rod in the working cavity is stretched into the middle cavity rear wall in a sliding connection mode, the upper moving rod and the lower moving rod are provided with a clamp holder used for clamping, a PVC pipe clamped on the clamp holder is arranged in the working cavity, the middle cavity is provided with a moving device capable of driving the upper moving rod and the lower moving rod to move up and down, the machine is internally provided with a grinding device which is connected to the left side of the working cavity, the upper moving rod and the lower moving rod are connected to the left side of the working cavity in a sliding mode and can be sealed or opened in the left wall of the working cavity, and the right side opening is provided with a grinding.

2. A PVC cutting apparatus for cutting and grinding cuts according to claim 1, characterized in that: cutting device is including locating cutting incasement and being located cutting chamber downside transmission chamber, the left side axis of rotation stretches into the transmission intracavity just the left side axis of rotation downside has set firmly input bevel gear, the integral key shaft stretches into the transmission intracavity just the integral key shaft left side has set firmly the meshing connect in input bevel gear's output bevel gear, input bevel gear with be connected with the universal joint between the output bevel gear, be equipped with in the transmission intracavity and be fixed in machine incasement wall's rack plate, transmission chamber roof internal rotation is connected with the right side axis of rotation, the right side axis of rotation set firmly the meshing connect in rack plate, the right side axis of rotation has set firmly the right side band pulley, the left side axis of rotation has set firmly the left side band pulley, the right side band pulley with be connected with the belt between the left side band pulley.

3. A PVC cutting apparatus for cutting and grinding cuts according to claim 1, characterized in that: the moving device comprises a driving shaft extending into the middle cavity, an intermediate gear connected to the driving shaft is arranged in the middle cavity, the intermediate gear is meshed with the side tooth surface of the upper moving rod and the side surface of the lower moving rod, an extending cavity with an outward opening is formed in the driving shaft in an annular distribution mode, a clamping plate shaft is rotatably connected to the inner wall of the extending cavity, a clamping plate is fixedly arranged on the clamping plate shaft, a torsion spring connected to the inner wall of the intermediate gear and the clamping plate is wound on the clamping plate shaft, a clamping cavity is formed in the intermediate gear in an annular distribution mode, and the clamping plate can extend into the extending cavity or the clamping cavity.

4. A PVC cutting apparatus for cutting and grinding cuts according to claim 1, characterized in that: the grinding device comprises a cylinder fixedly arranged in the left wall, the right side of the cylinder is connected with a cylinder rod, a motor for turning is fixedly arranged on the right side of the cylinder rod, a moving box is fixedly arranged on an output shaft on the right side of the motor for turning, the cylinder is fixedly arranged in the moving box, the lower side of the cylinder is connected with the cylinder rod extending out of the moving box, the motor for grinding is fixedly arranged on the lower side of the cylinder rod, a rotary table is fixedly arranged on the lower side of the motor for grinding, a jacking cavity is arranged in the rotary table, a grinding box capable of moving up and down is slidably connected in the jacking cavity, a first jacking spring connected to the top wall of the jacking cavity and the upper side of the grinding box is arranged in the jacking cavity, and a clamping device which is bila.

5. The PVC cutting apparatus for cutting and grinding cuts according to claim 4, wherein: the tight-sticking device comprises a telescopic cavity which is arranged in the grinding box in a bilateral symmetry mode, a telescopic plate is connected in the telescopic cavity in a sliding mode, and a second jacking spring connected between the inner wall of the telescopic cavity and the telescopic plate is arranged in the telescopic cavity.