CN112872463A

CN112872463A - Saddle mouth equipment is cut to hand-held type pipe

Info

Publication number: CN112872463A
Application number: CN202110351975.9A
Authority: CN
Inventors: 卫全
Original assignee: Yiwu Miwei Trading Co ltd
Current assignee: Yiwu Miwei Trading Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-06-01

Abstract

The invention relates to the technical field of round pipes, in particular to a handheld round pipe saddle opening cutting device. The utility model provides a saddle mouth equipment is cut to hand-held type pipe, includes hand-held type's shell, be provided with three open-ended working chambers in the shell, be provided with the fixture that is used for the centre gripping pipe in the working chamber wall, the working chamber be located with fixture relative intramural being provided with and being used for driving pipe pivoted rolling mechanism, the working chamber is located rolling mechanism place wall is close to lateral wall department and is provided with the supporting gear chamber, the supporting gear intracavity is provided with the butt mechanism that is used for supporting the pipe inner wall and prevents the pipe deformation, the intercommunication is provided with flexible chamber in the working chamber lateral wall, flexible intracavity is provided with the cutting mechanism who is used for cutting the pipe, and applicable in the small-bore pipe accomplishes handheld formula, has the convenience.

Description

Saddle mouth equipment is cut to hand-held type pipe

Technical Field

The invention relates to the technical field of round pipes, in particular to a handheld round pipe saddle opening cutting device.

Background

The pipe is important material in the life production, when two pipe cross connection, need cut the saddle mouth to the pipe and handle, but now cut the saddle mouth person to the pipe and adopt the model preparation, the marking off, artifical laying-out, manual cutting, the manual work process such as polish, this process is very troublesome, in cutting the saddle mouth to small-bore pipeline such as domestic water pipe, the equipment of cutting the saddle mouth that has the miniaturization to be convenient for to carry is few, the new stage adopts the outer wall centre gripping to the centre gripping of pipe usually simultaneously, or not centre gripping, this probably leads to pipe deformation or takes place the skew.

Disclosure of Invention

The invention provides a handheld circular tube saddle opening cutting device aiming at the problems in the prior art, which is applicable to a small-diameter circular tube, is handheld and has convenience.

The technical scheme adopted by the invention for solving the technical problems is as follows: a hand-held circular tube saddle mouth cutting device comprises a hand-held shell, wherein a working cavity with three openings is arranged in the shell, a clamping mechanism for clamping the circular tube is arranged in the wall of the working cavity, a rolling mechanism for driving the circular tube to rotate is arranged in the wall of the working cavity opposite to the clamping mechanism, the wall of the working cavity, which is positioned at the rolling mechanism and is close to the side wall, is provided with a supporting gear cavity, the supporting gear cavity is internally provided with a butting mechanism for supporting the inner wall of the circular tube to prevent the circular tube from deforming, a telescopic cavity is communicated and arranged in the side wall of the working cavity, a cutting mechanism for cutting a round pipe is arranged in the telescopic cavity, the cutting mechanism comprises a telescopic assembly and a feeding assembly, wherein the telescopic assembly is located in the telescopic cavity, slides and is used for driving the cutter to horizontally move, and the feeding assembly is fixed on the telescopic assembly and is used for controlling the cutter to vertically move.

Preferably, the clamping mechanism comprises a clamping screw rod in threaded connection with the wall of the working chamber, a connecting rod in rotary connection with the clamping screw rod, a clamping shell fixed at the two ends of the connecting rod far away from the clamping screw rod, a clamping roller cavity located in the clamping shell and with an opening facing the other wall of the working chamber, a clamping shaft penetrating through the clamping roller cavity, and a clamping roller fixed on the outer surface of the clamping shaft.

Preferably, the rolling mechanism comprises roller cavities which are communicated with the wall of the working cavity opposite to the wall of the clamping screw rod and the number of which is corresponding to that of the clamping shell, two roller shafts which penetrate through the roller cavities, rollers which are fixed on the outer surfaces of the roller shafts, a belt wheel cavity which is positioned at the position of the roller cavity close to the side wall of the working cavity, a belt wheel which is fixed on the outer surface of the part, penetrating through the belt wheel cavity, of the roller shaft, a transmission belt which is in transmission connection with the two belt wheels, and a rolling motor is fixedly arranged at one end of one of the roller shafts.

Preferably, the clamping roller is opposite to the roller, so that a better clamping effect is achieved.

Preferably, the abutting mechanism comprises a rack located in the supporting gear cavity and sliding in the supporting gear cavity, a reference block fixed at the end of the rack extending into the working cavity, a motor shaft penetrating through the supporting gear cavity, a supporting gear fixed on the outer surface of the motor shaft and connected with the rack, the supporting gear is fixed at one end of the motor shaft, and a zero-degree block fixed in the telescopic cavity and close to the wall of the reference block.

Preferably, the telescopic assembly comprises a cutting gear cavity communicated with the telescopic cavity, a telescopic rod sliding in the telescopic cavity, a cutting rack fixed on the telescopic rod close to the wall of the cutting gear cavity, a telescopic motor shaft penetrating through the cutting gear cavity, a cutting gear fixed on the outer surface of the telescopic motor shaft and connected with the telescopic rack and gear, and a telescopic motor fixedly arranged at one end of the telescopic motor shaft.

Preferably, the feeding assembly comprises a feeding motor fixed in the wall of the telescopic cavity, an output shaft extending into the telescopic cavity, an inner shaft fixed on the output shaft of the feeding motor and extending into the telescopic rod, an outer shaft splined on the outer surface of the inner shaft, a bevel gear cavity in the end of the telescopic rod close to the working cavity, a main bevel gear fixed at the end of the outer shaft extending into the bevel gear cavity, a lead screw penetrating through the bevel gear cavity, an auxiliary bevel gear in threaded connection with the lead screw on the outer surface of the bevel gear cavity and engaged with the main bevel gear, and a cutter fixed at one end of the lead screw close to the zero degree block.

Preferably, a battery jar is arranged in the bottom wall of the shell, a battery for providing power for the device is arranged in the battery jar, a trigger for triggering the device to work is arranged on the handle of the shell, a spring is arranged in the trigger, and a touch screen is fixedly arranged on the wall of the shell.

The invention has the advantages that 1, the inner wall and the outer wall are clamped by the rollers, and the device can be used for round pipes without calibers; 2. cutting by using a cutter, and avoiding the damage to a user due to high temperature by using a cold machining mode; 3. the handheld type is realized, and convenience is realized; 4. the cutting machine is provided with a reference block and a zero-degree block, so that the situation that the notch does not accord with the standard due to the stress deformation of the circular tube in the cutting process is avoided; 5. through the clamping of the inner wall and the outer wall, the deformation generated during the clamping is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a handheld circular tube saddle port cutting device according to the present invention;

FIG. 2 is a schematic view of the structure A-A in FIG. 1;

FIG. 3 is a schematic view of B-B in FIG. 1;

FIG. 4 is a schematic view of the structure of C-C in FIG. 1;

FIG. 5 is a schematic view of D-D of FIG. 1;

FIG. 6 is an enlarged view of E in FIG. 1;

FIG. 7 is an enlarged view of F in FIG. 1;

FIG. 8 is an isometric view of a hand-held circular tube saddle port cutting apparatus of the present invention;

wherein, 1, clamping mechanism, 2, rolling mechanism, 3, abutting mechanism, 4, cutting mechanism, 41, telescopic assembly, 42, feeding assembly, 101, housing, 102, trigger, 103, battery jar, 104, clamping lead screw, 105, clamping shell, 106, clamping roller cavity, 107, clamping roller, 108, clamping shaft, 109, connecting rod, 110, touch screen, 111, working cavity, 201, roller cavity, 202, roller, 203, roller shaft, 204, pulley cavity, 205, rolling motor, 206, pulley, 207, transmission belt, 301, zero degree block, 302, reference block, 303, rack, 304, motor, 305, motor shaft, 306, supporting gear cavity, 307, supporting gear, 401, cutting gear cavity, 402, cutting gear, 403, cutting rack, 404, telescopic rod, 405, feeding motor, 406, inner shaft, 407, outer shaft, 408, bevel gear cavity, 409, main bevel gear, 410, main bevel gear, and cutting gear cavity, 402, cutting gear cavity, 403, and cutting gear cavity, The device comprises a lead screw 411, a secondary bevel gear 412, a cutter 413, a telescopic motor 414, a telescopic motor shaft 415 and a telescopic cavity.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1-8, a saddle mouth device is cut to hand-held type pipe, including hand-held type shell 101, be provided with three open-ended working chambers 111 in the shell 101, be provided with fixture 1 that is used for centre gripping pipe in the working chamber 111 wall, working chamber 111 be located with fixture 1 is relative is provided with in the wall and is used for driving pipe pivoted rolling mechanism 2, working chamber 111 is located rolling mechanism 2 is located the wall and is provided with supporting gear chamber 306 near lateral wall department, be provided with the butt mechanism 3 that is used for supporting the pipe inner wall and prevent the pipe deformation in supporting gear chamber 306, working chamber 111 lateral wall in-connection is provided with flexible chamber 415, be provided with cutting mechanism 4 that is used for cutting the pipe in the flexible chamber 415, cutting mechanism 4 is including being located flexible subassembly 41 that slides in flexible chamber 415 and be used for driving cutter horizontal migration, And a feeding assembly 42 fixed on the telescopic assembly 41 and used for controlling the vertical movement of the cutter.

The clamping mechanism 1 comprises a clamping screw 104 in threaded connection with the wall of the working chamber 111, a connecting rod 109 in rotational connection with the clamping screw 104, a clamping shell 105 fixed at the two ends of the connecting rod 109 far away from the clamping screw 104, a clamping roller chamber 106 located in the clamping shell 105 and having an opening facing the other wall of the working chamber 111, a clamping shaft 108 penetrating through the clamping roller chamber 106, and a clamping roller 107 fixed on the outer surface of the clamping shaft 108; the pipe is put into in the working chamber 111, rolling mechanism 2 place working chamber 111 one side stretches into in the pipe, centre gripping lead screw 104 rotates and drives connecting rod 109 moves down, connecting rod 109 moves down and drives centre gripping shell 105 moves down, centre gripping shell 105 moves down and drives centre gripping axle 108 with centre gripping gyro wheel 107 moves down, cooperates 2 centre gripping in the pipe inside and outside wall of rolling mechanism.

The rolling mechanism 2 comprises roller cavities 201 which are communicated with the working cavity 111 and the wall opposite to the wall where the clamping screw 104 is located and the number of which corresponds to that of the clamping shell 105, two roller shafts 203 which penetrate through the roller cavities 201, rollers 202 which are fixed on the outer surfaces of the roller shafts 203, pulley cavities 204 which are located at the positions, close to the side walls of the working cavity 111, of the roller cavities 201, pulleys 206 which are fixed on the outer surfaces of the portions, penetrating through the pulley cavities 204, of the roller shafts 203, transmission belts 207 which are in transmission connection with the two pulleys 206, and a rolling motor 205 which is fixedly arranged at one end of one of the roller shafts 203; after the clamping mechanism 1 finishes clamping, the rolling motor 205 rotates to drive the roller shaft 203 to rotate, the roller shaft 203 rotates to drive the belt wheel 206 to rotate, the belt wheel 206 rotates to drive the other belt wheel 206 to rotate through the transmission belt 207, and then drives the other roller shaft 203 to rotate, so that the roller 202 is driven to rotate, a circular pipe is driven to rotate, and rotating power is provided for the cutting mechanism 4 to cut.

The clamping roller 107 is opposite to the roller 202 to achieve a better clamping effect.

The abutting mechanism 3 comprises a rack 303 which slides in the supporting gear cavity 306, a datum block 302 which is fixed at the end of the rack 303 extending into the working cavity 111, a motor shaft 305 which penetrates through the supporting gear cavity 306, a supporting gear 307 which is fixed on the outer surface of the motor shaft 305 and is in gear-rack connection with the rack 303, a motor 304 which is fixed at one end of the motor shaft 305, and a zero-degree block 301 which is fixed in the wall of the telescopic cavity 415 close to the datum block 302; after clamping, the motor 304 rotates to drive the motor shaft 305 to rotate, the motor shaft 305 rotates to drive the supporting gear 307 to rotate, the supporting gear 307 rotates to drive the rack 303 to move, the rack 303 drives the reference block 302 to move and abut against the inner wall of the circular tube, a supporting effect is achieved, deformation in the cutting process is avoided, and the zero-degree block 301 ensures that the circular tube reaches a zero-degree line, so that the extending length of the cutting mechanism 4 can be calculated from the zero-degree block 301.

The telescopic assembly 41 comprises a cutting gear cavity 401 communicated with the telescopic cavity 415, a telescopic rod 404 sliding in the telescopic cavity 415, a cutting rack 403 fixed on the wall of the telescopic rod 404 close to the cutting gear cavity 401, a telescopic motor shaft 414 penetrating through the cutting gear cavity 401, a cutting gear 402 fixed on the outer surface of the telescopic motor shaft 414 and connected with the gear rack of the telescopic rod 404, and a telescopic motor 413 fixed at one end of the telescopic motor shaft 414; the cutting of saddle mouth can be decomposed into the rotation of pipe and the removal of cutter in the pipe axial ascending, consequently flexible motor 413 rotates the drive flexible motor shaft 414 rotates, flexible motor shaft 414 rotates the drive cutting gear 402 rotates, cutting gear 402 rotates the drive telescopic link 404 removes, telescopic link 404 drives telescopic link 404 removes, and then drives feed subassembly 42 removes, thereby the cutting of saddle mouth is accomplished under rolling mechanism 2's the cooperation.

The feeding assembly 42 comprises a feeding motor 405 fixed in the wall of the telescopic cavity 415 and having an output shaft extending into the telescopic cavity 415, an inner shaft 406 fixed on the output shaft of the feeding motor 405 and extending into the telescopic rod 404, an outer shaft 407 splined on the outer surface of the inner shaft 406, a bevel gear cavity 408 in the end of the telescopic rod 404 near the working cavity 111, a main bevel gear 409 fixed on the end of the outer shaft 407 extending into the bevel gear cavity 408, a lead screw 410 penetrating through the bevel gear cavity 408, a secondary bevel gear 411 threaded on the outer surface of the bevel gear cavity 408 and engaged with the main bevel gear 409, and a cutter 412 fixed on one end of the lead screw 410 near the zero-degree block 301; when a point is cut, the feeding motor 405 rotates to drive the inner shaft 406 to rotate, the inner shaft 406 rotates to drive the outer shaft 407 to rotate, the outer shaft 407 rotates to drive the main bevel gear 409 to rotate, the main bevel gear 409 rotates to drive the auxiliary bevel gear 411 to rotate, the auxiliary bevel gear 411 rotates to drive the lead screw 410 to move, and the lead screw 410 drives the cutter 412 to move, so that the feeding and the retreating of the cutter 412 are completed, and the cutting of a circular tube can be completed.

A battery groove 103 is formed in the bottom wall of the shell 101, a battery for providing power for the equipment is arranged in the battery groove 103, a trigger 102 for triggering the equipment to work is arranged on a handle of the shell 101, a spring is arranged in the trigger 102, and a touch screen 110 is fixedly arranged on the wall of the shell 101; the diameter of the circular tube to be cut and the diameter of the welded circular tube are input on the touch screen 110, and the shape of the saddle opening is calculated, so that the movement of the clamping mechanism 1, the rolling mechanism 2, the abutting mechanism 3 and the cutting mechanism 4 is controlled.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.

Claims

1. The utility model provides a saddle mouth equipment is cut to hand-held type pipe which characterized in that: shell (101) including handheld, be provided with three open-ended working chamber (111) in shell (101), be provided with fixture (1) that are used for the centre gripping pipe in working chamber (111) wall, working chamber (111) be located with fixture (1) is relative is provided with in the wall and is used for driving pipe pivoted rolling mechanism (2), working chamber (111) are located rolling mechanism (2) place wall is close to lateral wall department and is provided with supporting gear chamber (306), be provided with in supporting gear chamber (306) and be used for supporting the inside wall of pipe and prevent butt mechanism (3) that the pipe warp, working chamber (111) lateral wall in-connection is provided with flexible chamber (415), be provided with cutting mechanism (4) that are used for cutting the pipe in flexible chamber (415), cutting mechanism (4) are including being located slide and be used for driving cutter horizontal migration's flexible subassembly (41) in flexible chamber (415), And the feeding assembly (42) is fixed on the telescopic assembly (41) and is used for controlling the vertical movement of the cutter.

2. The hand-held circular tube saddle cutting device according to claim 1, wherein: fixture (1) including threaded connection centre gripping lead screw (104) on working chamber (111) wall, with centre gripping lead screw (104) rotate connecting rod (109) of connecting, fix connecting rod (109) are kept away from centre gripping shell (105) at centre gripping lead screw (104) both ends, be located in centre gripping shell (105) and opening orientation centre gripping roller chamber (106) of another wall of working chamber (111), run through centre gripping axle (108) in centre gripping roller chamber (106), fix centre gripping gyro wheel (107) on centre gripping axle (108) surface.

3. The hand-held circular tube saddle cutting device according to claim 1, wherein: the rolling mechanism (2) comprises a roller cavity (201) which is communicated with the working cavity (111) and the wall opposite to the wall where the clamping lead screw (104) is located and the number of the roller cavity (201) corresponds to that of the clamping shell (105), two roller shafts (203) which penetrate through the roller cavity (201), rollers (202) which are fixed on the outer surface of the roller shafts (203), a belt wheel cavity (204) which is located at the position, close to the side wall of the working cavity (111), of the roller cavity (201), a belt wheel (206) which is fixed on the outer surface of the part, penetrating through the roller cavity (204), of the roller shaft (203), of the belt wheel (206), a transmission belt (207) which is in transmission connection with the two belt wheels (206), and one end of the roller shaft (203) is fixedly provided with a.

4. The hand-held circular tube saddle cutting device according to claim 2, wherein: the clamping roller (107) is opposite to the roller (202) in position, so that a better clamping effect is achieved.

5. The hand-held circular tube saddle cutting device according to claim 1, wherein: the abutting mechanism (3) comprises a rack (303) located in the supporting gear cavity (306) in a sliding mode, a reference block (302) fixed to the end, extending into the working cavity (111), of the rack (303), a motor shaft (305) penetrating through the supporting gear cavity (306), a supporting gear (307) fixed to the outer surface of the motor shaft (305) and connected with the rack (303) through a gear and a rack, a motor (304) fixed to one end of the motor shaft (305), and a zero-degree block (301) fixed to the wall of the reference block (302) and close to the telescopic cavity (415).

6. The hand-held circular tube saddle cutting device according to claim 1, wherein: telescopic subassembly (41) are including the intercommunication cutting gear chamber (401) in flexible chamber (415), telescopic link (404) that slide in flexible chamber (415), fix telescopic link (404) are close to cutting rack (403) on cutting gear chamber (401) wall, run through telescopic motor shaft (414) in cutting gear chamber (401), fix telescopic motor shaft (414) surface and with cutting gear (402) that telescopic link (404) rack and pinion are connected telescopic motor shaft (414) one end is fixed and is provided with telescopic motor (413).

7. The hand-held circular tube saddle cutting device according to claim 1, wherein: the feeding assembly (42) comprises a feeding motor (405) which is fixed in the wall of the telescopic cavity (415) and the output shaft of which extends into the telescopic cavity (415), an inner shaft (406) which is fixed on the output shaft of the feeding motor (405) and extends into the telescopic rod (404), an outer shaft (407) which is connected on the outer surface of the inner shaft (406) in a spline mode, and a bevel gear cavity (408) which is arranged in the end, close to the working cavity (111), of the telescopic rod (404), fix outer axle (407) stretches into main bevel gear (409), the running through of bevel gear chamber (408) end lead screw (410), threaded connection of bevel gear chamber (408) lead screw (410) are located on bevel gear chamber (408) surface and with vice bevel gear (411) of main bevel gear (409) meshing, fix lead screw (410) are close to cutter (412) of zero degree piece (301) one end.

8. The hand-held circular tube saddle cutting device according to claim 1, wherein: be provided with battery jar (103) in shell (101) diapire, be provided with the battery that provides power for this equipment in battery jar (103), be provided with trigger (102) that are used for triggering this equipment work on shell (101) handle, be provided with the spring in trigger (102), fixed touch screen (110) that are provided with on shell (101) wall.