CN111590151A - Double-side threading device for plastic pipe fittings - Google Patents
Double-side threading device for plastic pipe fittings Download PDFInfo
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- CN111590151A CN111590151A CN202010452041.XA CN202010452041A CN111590151A CN 111590151 A CN111590151 A CN 111590151A CN 202010452041 A CN202010452041 A CN 202010452041A CN 111590151 A CN111590151 A CN 111590151A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/22—Machines specially designed for operating on pipes or tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
- B23G1/52—Equipment or accessories specially designed for machines or devices for thread cutting for operating on pipes or tubes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention relates to a threading device, in particular to a double-sided threading device for plastic pipes. The technical problem how to design one kind can carry out the tapping to plastics pipe fitting inner wall, can also carry out the tapping to the outer wall, convenient operation, the two-sided tapper of plastics pipe fitting that work efficiency is high. The utility model provides a two-sided tapper of plastics pipe fitting, includes the backup pad, backup pad one side interval distribution has the bracing piece, and its quantity is three at least, triangle casing install in keep away from between the bracing piece tip of backup pad. According to the invention, the plastic pipe fitting is placed on the triangular shell and fixed through the clamping rod, and then the speed reducing motor is started, so that the internal tapping cutter can rotate and move inwards to tap the inner wall of the plastic pipe fitting, manual tapping is not needed, the operation is convenient, and the working efficiency is high.
Description
Technical Field
The invention relates to a threading device, in particular to a double-sided threading device for plastic pipes.
Background
Plastic pipes are generally produced by extruding synthetic resins, i.e. polyesters, as raw materials in a pipe-making machine by the "plastic" method with the addition of stabilizers, lubricants, plasticizers, etc. The pipe is mainly used as a running water supply system pipe, a drainage, exhaust and pollution discharge sanitary pipe, an underground drainage pipe system, a rainwater pipe, a threading pipe for electric wire installation and assembly sleeve and the like of a house building. The plastic pipes are classified into thermoplastic plastic pipes and thermosetting plastic pipes. The thermoplastic material includes polyvinyl chloride pipe, polyethylene pipe, polypropylene pipe, polyformaldehyde pipe, etc.; the plastic pipe fitting is a thermosetting phenol plastic pipe and the like, when the plastic pipe fitting is used, two plastic pipe fittings need to be butted together under the condition of insufficient length, and then tapping needs to be carried out on the plastic pipe fitting, so that the two plastic pipe fittings can be screwed together for use.
A conventional tapping machine, such as chinese patent No. CN207464360U, discloses a large pipe threading machine. Place the seat including base and pipe fitting, the pipe fitting place the seat and locate base top and pipe fitting and place and be equipped with the elevating system that can make the pipe fitting place the seat and go up and down between seat and the base, the pipe fitting place and be equipped with the pipe fitting slot in the seat, the pipe fitting place the horizontal both ends of seat and be equipped with the opening that switches on with the pipe fitting slot, the top and the bottom that the seat was placed to the pipe fitting are equipped with the conduction mouth that switches on with the pipe fitting slot, the conduction mouth in be equipped with can be to the fixed subassembly of pipe fitting fixed, base one side be equipped with the fixing base, gliding being equipped with the motor on this fixing base, the motor is equipped. The invention provides a large pipe fitting tapping machine which can tap pipe fittings with different sizes and does not need to replace a clamp, and the large pipe fitting tapping machine has the following defects: can only carry out the tapping to the pipe fitting inner wall, can not carry out the tapping to the outer wall of plastics pipe fitting, then need the manual tapping to the plastics pipe fitting outer wall of people, the operation is harder, and work efficiency is low.
Therefore, a special need exists for a plastic pipe double-side tapper which can tap the inner wall of a plastic pipe and tap the outer wall, is convenient to operate and high in working efficiency, and solves the problems in the prior art.
Disclosure of Invention
In order to overcome the defects that only the inner wall of the pipe fitting can be tapped, and the outer wall of the plastic pipe fitting cannot be tapped, the outer wall of the plastic pipe fitting needs to be tapped manually by a person, the operation is labor-consuming, and the working efficiency is low, therefore, the invention has the technical problems that: the utility model provides a can carry out the tapping to the plastics pipe fitting inner wall, can also carry out the tapping to the outer wall, convenient operation, the two-sided tapper of plastics pipe fitting that work efficiency is high.
The technical implementation scheme of the invention is as follows: a plastic pipe double-sided threading apparatus, comprising: the triangular shell is arranged between the end parts of the supporting rods far away from the supporting plate; the driving assembly is arranged on the supporting plate and used for providing power; the pipe clamping assembly is arranged in the triangular shell and used for clamping and fixing the plastic pipe fitting; and the internal tapping component is arranged between the supporting plate and the triangular shell, is matched with the driving component and is used for tapping the inner wall of the plastic pipe fitting.
More preferably, the driving assembly includes: the rhombic rotating rod is rotatably arranged at an eccentric position on one side in the supporting plate far away from the triangular shell, and the end part of the rhombic rotating rod penetrates through the supporting plate; the long shaft gear is sleeved on the rhombic rotating rod in a sliding mode and matched with the internal tapping component, and the fastening screw is rotatably connected to one side of the long shaft gear close to the supporting plate in a penetrating mode through threads and matched with the rhombic rotating rod; the speed reducing motor is vertically arranged at an eccentric position on one side of the supporting plate facing the triangular shell, and an output shaft of the speed reducing motor penetrates through the supporting plate; the number of the belt pulleys is at least two, and the belt pulleys are arranged on the output shaft of the speed reducing motor and one part of the rhombic rotating rod far away from the triangular shell; a drive belt wound between the two pulleys.
More preferably, the pipe clamping assembly comprises: the triangular frame is arranged on the internal tapping component and is positioned in the triangular shell, and three ends of the triangular frame are rotatably connected with chain wheels; the swinging rod is arranged between the two sides of the chain wheel, penetrates through the side surface of the triangular shell and is in sliding fit with the side surface of the triangular shell; the clamping rod is arranged at the end part of the swinging rod far away from the supporting plate and is used for clamping and fixing the plastic pipe fitting; the sliding rod is slidably connected to one side of the triangular shell in a penetrating mode, the chain is connected between two ends of the sliding rod, and the chain is sleeved among the three chain wheels; the cylinder is installed on one side of the outer side of the triangular shell close to the sliding rod, and a telescopic rod of the cylinder is fixedly connected with one side of the sliding rod.
More preferably, the internal tapping assembly comprises: the inner thread sleeve is connected to the middle part of one side of the triangular shell close to the support plate in a penetrating manner, and the end part of the inner thread sleeve far away from the support plate is fixedly connected with one side of the triangular frame facing the support plate; the threaded column is rotatably connected in the internal thread sleeve in a penetrating way, and the end part of the threaded column, which is far away from the supporting plate, is fixedly connected with a mounting seat; the inner tapping cutter is slidably mounted on one side outside the mounting seat, a threaded rod is arranged in the inner tapping cutter through threads, and the tail end of the threaded rod penetrates through the mounting seat; the rotary rod is rotatably connected into the threaded column in a penetrating mode, one end of the rotary rod penetrates through the supporting plate and is fixedly connected with a knob, the other end of the rotary rod penetrates through the mounting seat and is fixedly connected with a bevel gear, the end part, far away from the internal tapping cutter, of the threaded rod is fixedly connected with a bevel gear, and the bevel gears on the two sides are meshed; and the cylindrical gear is sleeved on one side outside the threaded column close to the internal thread sleeve and the diamond-shaped rotating rod and is meshed with the long shaft gear.
More preferably, the tapping device further comprises an outer tapping assembly, wherein the outer tapping assembly comprises: the rotating ring is rotatably arranged on one side, facing the outer side of the supporting plate of the triangular shell, at least four connecting rods are arranged, and the connecting rods are distributed on one side, far away from the supporting plate, of the rotating ring at intervals; the inner gear ring matched with the long shaft gear is arranged on the inner side of the rotating ring; the rotating cylinder is slidably placed on the four connecting rods; the external thread sleeve is slidably sleeved among the three support rods and is matched with the rotary cylinder through threads; the sliding pipe is connected to one side of the outer side of the rotating cylinder far away from the supporting plate in a penetrating manner; the outer tapping cutter is slidably connected into the sliding pipe in a penetrating manner; and the compression spring is sleeved on the outer tapping cutter, one end of the compression spring is fixedly connected with one side of the outer tapping cutter facing the rotary cylinder, and the other end of the compression spring is fixedly connected with the end part of the sliding pipe far away from the rotary cylinder. And the limiting part is arranged at one part of the connecting rod close to the speed reduction motor and is matched with the external thread sleeve.
More preferably, the stopper includes: the sliding rod is slidably connected to one part of the connecting rod close to the speed reducing motor in a penetrating manner and matched with the external thread sleeve; and the cylindrical spring is sleeved on the sliding rod, one end of the cylindrical spring is fixedly connected with one side of the connecting rod far away from the external thread sleeve, and the other end of the cylindrical spring is fixedly connected with one side of the sliding rod facing the external thread sleeve.
More preferably, the method further comprises the following steps: the guide frame is arranged on the periphery of one side of the outer side of the support plate facing the rotary cylinder and is in contact fit with the rotary cylinder; and the annular base is arranged on the circumferential direction of the outer side of the guide frame and is used for supporting the device.
More preferably, the method further comprises the following steps: the guide screw rod is connected to one side of the external tapping tool far away from the support plate and the rotary cylinder in a penetrating manner, and the end part of the guide screw rod facing the support plate is fixedly connected with one side of the outside of the sliding pipe far away from the annular base; and the limiting nut is rotatably sleeved on the guide screw and matched with the external tapping tool.
Compared with the prior art, the invention has the following advantages:
1. through placing the plastics pipe fitting on the triangle casing fixedly through the clamping bar, restart gear motor can make interior tapping cutter rotate and inwards remove simultaneously and carry out the tapping to plastics pipe fitting inner wall, need not the manual tapping of people, convenient operation, work efficiency is high.
2. Through the effect of outer tapping subassembly, can tap the outer wall of plastics pipe fitting, then need not the people and hold the instrument and carry out the tapping to the outer wall, it is more laborsaving.
3. Through the effect of lead screw and stop nut, can adjust the degree of depth of tapping to outer tapping cutter according to self demand.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a first partial perspective view of the present invention.
FIG. 3 is a perspective view of the tube clamping assembly of the present invention.
Fig. 4 is a perspective view of the drive assembly of the present invention.
Figure 5 is a perspective view of the internal tapping assembly of the present invention.
Fig. 6 is a second partial perspective view of the present invention.
Fig. 7 is a partial perspective view of the external tapping assembly of the present invention from below.
Figure 8 is a partial perspective view from above of the external tapping assembly of the present invention.
Fig. 9 is a schematic perspective view of a limiting element according to the present invention.
The parts are labeled as follows: 1. support plate, 2, support rod, 3, triangular housing, 4, drive assembly, 41, reduction motor, 42, diamond-shaped rotating rod, 43, long-axis gear, 44, fastening screw, 45, belt pulley, 46, driving belt, 5, tube clamping assembly, 51, tripod, 52, sprocket, 53, oscillating rod, 54, clamping rod, 55, chain, 56, sliding rod, 57, cylinder, 6, internal tapping assembly, 61, internal thread bushing, 62, threaded column, 63, cylindrical gear, 64, rotating rod, 65, knob, 66, mounting seat, 67, threaded rod, 68, bevel gear, 69, internal tapping cutter, 7, external tapping assembly, 71, rotating ring, 72, internal gear ring, 73, connecting rod, 74, rotating cylinder, 75, external thread bushing, 76, limiting piece, 761, sliding rod, 762, cylindrical spring, 77, sliding tube, 78, external tapping cutter, 79, compression spring, 8, annular base, 9. guide frame, 10, lead screw, 11, stop nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-5, a two-sided tapper of plastics pipe fitting, including backup pad 1, bracing piece 2, triangle casing 3, drive assembly 4, press from both sides pipe assembly 5 and interior tapping subassembly 6, the even spaced rigid coupling of circumference has three spinal branch vaulting poles 2 in the middle of the 1 top of backup pad, the rigid coupling has triangle casing 3 between the 2 tops of three spinal branch vaulting poles, be equipped with in the triangle casing 3 and press from both sides pipe assembly 5, be equipped with interior tapping subassembly 6 between 3 middle parts of triangle casing and the 1 middle parts of backup pad, 1 eccentric position in backup pad is equipped with drive assembly 4, drive assembly 4 cooperates with interior tapping subassembly 6.
The driving assembly 4 comprises a speed reducing motor 41, a diamond-shaped rotating rod 42, a long-axis gear 43, a fastening screw 44, a belt pulley 45 and a transmission belt 46, the diamond-shaped rotating rod 42 is rotatably connected to the eccentric position of the bottom in the supporting plate 1, the long-axis gear 43 is slidably arranged on the diamond-shaped rotating rod 42, the long-axis gear 43 is matched with the internal tapping assembly 6, the fastening screw 44 is arranged on the front side of the lower portion of the long-axis gear 43, the fastening screw 44 is matched with the diamond-shaped rotating rod 42, the speed reducing motor 41 is installed on the front portion of the left side of the top of the supporting plate 1, an output shaft of the speed reducing motor 41 penetrates through the supporting plate 1 and is connected with the belt pulley 45.
The pipe clamping component 5 comprises a tripod 51, a chain wheel 52, a swinging rod 53, a clamping rod 54, a chain 55, a sliding rod 56 and a cylinder 57, the tripod 51 is fixedly connected to the upper part of the internal tapping component 6, the tripod 51 is positioned in the triangular shell 3, the chain wheel 52 is rotatably connected to three ends of the tripod 51, the swinging rod 53 is fixedly connected between the upper part and the lower part of the chain wheel 52, the tail end of the swinging rod 53 penetrates through the triangular shell 3 to be in sliding fit with the triangular shell, the clamping rod 54 is fixedly connected to the top end of the swinging rod 53, the sliding rod 56 is arranged in the middle of the right side of the triangular shell 3 in a sliding manner, the chain 55 is fixedly connected between the front end and the rear end of the sliding rod 56, the chain 55 is wound among the three chain wheels 52, the cylinder.
The internal tapping component 6 comprises an internal thread sleeve 61, a thread column 62, a cylindrical gear 63, a rotary rod 64, a knob 65, a mounting seat 66, a threaded rod 67, a bevel gear 68 and an internal tapping cutter 69, the internal thread sleeve 61 is installed in the middle of the triangular shell 3 in an embedded manner, the top of the internal thread sleeve 61 is fixedly connected with the middle of the bottom of the triangular shell 51, the thread column 62 is arranged in the internal thread sleeve 61, the bottom end of the thread column 62 penetrates through the middle of the top of the supporting plate 1, the mounting seat 66 is fixedly connected to the top end of the thread column 62, the internal tapping cutter 69 is slidably arranged between the front part and the rear part of the outer right side surface of the mounting seat 66, the threaded rod 67 is arranged in the internal tapping cutter 69 through threads, the left part of the threaded rod 67 is rotatably connected with the right side of the mounting seat 66, the rotary rod 64 is rotatably connected in the thread, bevel gears 68 on two sides are meshed, the bottom of the lower bevel gear 68 is rotatably connected with the middle part of the bottom in the mounting seat 66, a cylindrical gear 63 is fixedly connected to the upper part of the threaded column 62, and the cylindrical gear 63 is meshed with the long shaft gear 43.
At first operating personnel places the plastics pipe fitting on triangular shell 3 with the contact of pressing from both sides pipe assembly 5, it is fixed with the plastics pipe fitting clamp tightly to start pressing from both sides pipe assembly 5, close pipe assembly 5, screw up in tapping subassembly 6 and the contact of plastics pipe fitting inner wall in the wrench movement, stop screwing up in tapping subassembly 6, start drive assembly 4, 6 functions of tapping subassembly in the drive assembly 4 function drives, 6 functions of interior tapping subassemblies rotate, interior tapping subassembly 6 rotates while downstream, and then interior tapping subassembly 6 rotates and downstream carries out the tapping to the plastics pipe fitting inner wall simultaneously. After the tapping of plastics pipe fitting inner wall was accomplished, close drive assembly 4, interior tapping subassembly 6 stops to function, starts to press from both sides pipe assembly 5 and loosens the plastics pipe fitting, again with the plastics pipe fitting take off can, so relapse, can be continuous tap the plastics pipe fitting inner wall.
When the plastic pipe is clamped tightly, the speed reduction motor 41 is started to rotate reversely, the speed reduction motor 41 drives the left belt pulley 45 to rotate reversely, the left belt pulley 45 rotates reversely to drive the right belt pulley 45 to rotate reversely through the transmission belt 46, the right belt pulley 45 rotates reversely to drive the diamond-shaped rotating rod 42 to rotate reversely, the diamond-shaped rotating rod 42 rotates reversely to drive the long shaft gear 43 to rotate reversely, the long shaft gear 43 rotates reversely to drive the inner tapping component 6 to operate, and the inner tapping component 6 operates to tap the inner wall of the plastic pipe. After the tapping of plastics pipe fitting inner wall is accomplished, close gear motor 41, interior tapping subassembly 6 just also stops the function, and the rethread presss from both sides pipe assembly 5 and takes off the plastics pipe fitting, and the same reason, the back is taken off to the plastics pipe fitting, starts gear motor 41 corotation, and major axis gear 43 corotation drives interior tapping subassembly 6 and operates and reset, closes gear motor 41.
Firstly, an operator places a plastic pipe on the top of the triangular shell 3, starts the air cylinder 57, shortens the telescopic rod of the air cylinder 57 to drive the sliding rod 56 to move backwards, moves the sliding rod 56 backwards to drive the chain 55 to rotate backwards, rotates the chain 55 reversely to drive the chain wheel 52 to rotate backwards, rotates the chain wheel 52 reversely to drive the swinging rod 53 to rotate backwards, rotates the swinging rod 53 to drive the clamping rod 54 to rotate backwards, rotates the clamping rod 54 reversely to contact with the plastic pipe to clamp and fix the plastic pipe, and closes the air cylinder 57 to start tapping the inner wall of the plastic pipe. After tapping of the inner wall of the plastic pipe fitting is completed, the telescopic rod of the starting cylinder 57 extends to drive the sliding rod 56 to move forwards, so that the clamping rod 54 rotates forwards and is not in contact with the plastic pipe fitting to loosen the plastic pipe fitting, and the cylinder 57 is closed, so that the plastic pipe fitting can be taken down.
When the plastic pipe is placed on the triangular shell 3, the plastic pipe covers the internal tapping cutter 69, and when the plastic pipe is clamped and fixed, the knob 65 is twisted to rotate forwards, the knob 65 rotates forwards to drive the rotating rod 64 to rotate forwards, the rotating rod 64 rotates forwards to drive the lower bevel gear 68 to rotate forwards, the lower bevel gear 68 rotates forwards to drive the upper bevel gear 68 to rotate forwards, the upper bevel gear 68 rotates forwards to drive the threaded rod 67 to rotate forwards, the threaded rod 67 rotates forwards to drive the internal tapping cutter 69 to move outwards, when the internal tapping cutter 69 moves outwards to contact with the inner wall of the plastic pipe, the knob 65 is stopped to be twisted, the speed reduction motor 41 is started, the long shaft gear 43 rotates backwards to drive the cylindrical gear 63 to rotate forwards, the cylindrical gear 63 rotates forwards to drive the threaded column 62 to rotate forwards, the threaded column 62 rotates forwards to drive the mounting seat 66 to rotate forwards, the mounting seat 66 rotates forwards to, meanwhile, the threaded column 62 positively rotates to move downwards through the internal threaded sleeve 61, the threaded column 62 moves downwards to drive the mounting seat 66 to move downwards, the internal tapping tool 69 is further driven to move downwards, and the internal tapping tool 69 moves downwards and simultaneously positively rotates to perform comprehensive tapping on the plastic pipe fitting. After the tapping of plastics pipe fitting is accomplished, close gear motor 41, interior tapping cutter 69 is also just stopped rotating and downstream, twist knob 65 reversal, just also make interior tapping cutter 69 rebound and plastics pipe fitting break away from, stop twisting knob 65, start cylinder 57 makes clamping bar 54 loosen the plastics pipe fitting, take off the plastics pipe fitting, restart gear motor 41 corotation, and then major axis gear 43 drives cylindrical gear 63 reversal, just also drive interior tapping cutter 69 reversal while rebound and reset, it can to close gear motor 41. So, can accomplish the tapping of plastics pipe fitting inner wall, need not the manual tapping of people, it is more laborsaving.
Example 2
Referring to fig. 1, 2, 6, 7, 8 and 9, the present embodiment is different from embodiment 1 mainly in that the present embodiment further includes an external tapping assembly 7, the external tapping assembly 7 includes a rotary ring 71, an internal gear 72, a connecting rod 73, a rotary cylinder 74, an external thread bushing 75, a limiting member 76, a sliding tube 77, an external tapping knife 78 and a compression spring 79, the rotary ring 71 is rotatably connected to the middle of the outer top of the support plate 1, the internal gear 72 is fixedly connected to the inner side of the rotary ring 71, the internal gear 72 is matched with the long-axis gear 43, the connecting rods 73 are fixedly connected to the top of the rotary ring 71 at uniform intervals in the circumferential direction, the rotary cylinders 74 are slidably arranged between the upper portions of the four connecting rods 73, the external thread bushing 75 is arranged in the middle of the rotary cylinder 74 through threads, the external thread bushing 75 is slidably sleeved on the three support rods 2, the sliding tube 77 is installed, an external tapping cutter 78 is arranged in the sliding tube 77 in a sliding mode, the right end of the external tapping cutter 78 is located in the rotating cylinder 74, a compression spring 79 is wound between the inner left side face of the external tapping cutter 78 and the left side face of the sliding tube 77, a limiting piece 76 is arranged on the upper portion of the left connecting rod 73 in a sliding mode, and the limiting piece 76 is matched with the external thread sleeve 75.
The limiting member 76 includes a sliding rod 761 and a cylindrical spring 762, the upper portion of the left connecting rod 73 is slidably provided with the sliding rod 761 capable of limiting the external thread sleeve 75, and the cylindrical spring 762 is wound between the left end of the sliding rod 761 and the left side of the connecting rod 73.
When the outer wall of the plastic pipe needs to be tapped, the plastic pipe is sleeved among the three clamping rods 54, the telescopic rod of the air cylinder 57 is started to extend, so that the clamping rods 54 rotate forwards to be in contact with the inner wall of the plastic pipe to clamp and fix the plastic pipe, the air cylinder 57 is closed, the fastening screw 44 rotates backwards to be separated from the diamond-shaped rotating rod 42, the long shaft gear 43 is pulled downwards to move downwards to be separated from the cylindrical gear 63, when the long shaft gear 43 continues to move downwards to be meshed with the inner gear ring 72, the long shaft gear 43 stops being pulled, the fastening screw 44 rotates forwards and inwards to move to be in contact with the diamond-shaped rotating rod 42 to fix the long shaft gear 43, the external tapping cutter 78 is pulled to move leftwards, the compression spring 79 is stretched, when the external tapping cutter 78 moves outwards to a proper position, the external tapping cutter 78 stops being pulled, the rotating cylinder 74 moves upwards to drive the external thread sleeve 75, stopping pulling the rotary cylinder 74, loosening the rotary cylinder 74, limiting the external thread sleeve 75 by the limiting piece 76 to avoid moving downwards, further sleeving the rotary cylinder 74 on the plastic pipe, loosening the external tapping cutter 78, moving the external tapping cutter 78 inwards to contact with the plastic pipe under the action of the compression spring 79, starting the speed reduction motor 41 to rotate forwards, rotating the long-axis gear 43 forwards to drive the internal gear ring 72 to rotate forwards, rotating the internal gear ring 72 forwards to drive the rotating ring 71 to rotate forwards, rotating the rotating ring 71 forwards to drive the connecting rod 73 to rotate forwards, rotating the connecting rod 73 forwards to drive the rotary cylinder 74 to rotate forwards, rotating the rotary cylinder 74 forwards to drive the sliding pipe 77 to rotate forwards, rotating the sliding pipe 77 forwards to drive the external tapping cutter 78 to rotate forwards, rotating the external tapping cutter 78 forwards to tap the outer wall of the plastic pipe, meanwhile, rotating the rotary cylinder 74 forwards continuously moves downwards through the external thread sleeve 75, and rotating the rotary cylinder 74 downwards moves, the external tapping cutter 78 is moved downward while being rotated to perform overall tapping of the outer wall of the plastic pipe. After tapping of the outer wall of the plastic pipe fitting is completed, the speed reducing motor 41 is turned off, the external tapping cutter 78 is pulled to move outwards and not to be in contact with the plastic pipe fitting, the limiting piece 76 is pulled to move outwards to be separated from the external thread sleeve 75, the external thread sleeve 75 moves downwards to drive the rotary cylinder 74 to move downwards to reset, the limiting piece 76 is loosened to reset, the external tapping cutter 78 is loosened to move inwards to reset, after the plastic pipe fitting is taken down, the speed reducing motor 41 is started to rotate reversely, and then the rotary cylinder 74 is enabled to rotate reversely to reset through the external thread sleeve 75 and move upwards. When the inner wall of the plastic pipe fitting needs to be tapped, the fastening screw 44 is twisted to rotate reversely and not to be in contact with the diamond-shaped rotating rod 42, the long shaft gear 43 is pulled to move upwards to be meshed with the cylindrical gear 63, the fastening screw 44 is twisted to fix the long shaft gear 43, the long shaft gear 43 is not meshed with the inner gear ring 72, and then the inner wall of the plastic pipe fitting can be tapped. So for this device can carry out the tapping to plastics pipe fitting inner wall, can also carry out the tapping to the outer wall.
When the external thread bushing 75 moves upward, the external thread bushing 75 moves upward and slides over the sliding rod 761 due to the action of the cylindrical spring 762, the external thread bushing 75 is loosened, and the sliding rod 761 limits the external thread bushing 75 to avoid moving downward. After the tapping of plastics pipe fitting outer wall was accomplished, and when outer tapping cutter 78 broke away from with the plastics pipe fitting, pulling slide bar 761 outwards removed, cylindrical spring 762 was tensile, and slide bar 761 outwards removed and breaks away from with external screw thread cover 75, and external screw thread cover 75 then moves down and resets, unclamps slide bar 761, because of cylindrical spring 762's effect, slide bar 761 inwards removes and resets.
Example 3
Referring to fig. 1 and 8, the present embodiment is different from embodiments 1 and 2 mainly in that in the present embodiment, the present embodiment further includes an annular base 8 and a guide frame 9, the guide frame 9 is fixedly connected to the outer top of the support plate 1 along the circumferential direction, the inner side surface of the guide frame 9 contacts with the outer side of the rotary cylinder 74, and the annular base 8 is fixedly connected between the outer side surfaces of the guide frame 9.
The tapping machine is characterized by further comprising a guide screw rod 10 and a limiting nut 11, the guide screw rod 10 is fixedly connected to the middle of the outer top of the sliding pipe 77, the left end of the guide screw rod 10 penetrates through the upper portion of the left side of the outer tapping cutter 78, the limiting nut 11 is arranged on the guide screw rod 10, and the limiting nut 11 is matched with the outer tapping cutter 78.
When the device is placed at a designated position, the annular base 8 is in contact with the ground, and the guide frame 9 can guide the moving rotary drum 74. In this way, the device is more stable, and the rotating cylinder 74 can rotate and move more stably.
When outer tapping cutter 78 outwards removed, operating personnel can twist stop nut 11 positive and negative rotation in turn, and stop nut 11 positive and negative rotation is controlled through lead screw 10 and is removed, and then stop nut 11 moves about to the degree of depth of demand tapping, stops twisting stop nut 11, loosens outer tapping cutter 78, and outer tapping cutter 78 inwards removes and is spacing with stop nut 11 contact, and simultaneously, outer tapping cutter 78 and the contact of plastics pipe fitting outer wall can begin to carry out the tapping. So, can adjust the degree of depth of tapping as required.
While the disclosure has been shown and described with reference to certain exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims and their equivalents. Accordingly, the scope of the present disclosure should not be limited to the above-described embodiments, but should be defined not only by the appended claims, but also by equivalents thereof.
Claims (9)
1. The utility model provides a two-sided threading ware of plastics pipe fitting which characterized by, including:
the supporting plate (1), one side of the supporting plate (1) is distributed with at least three supporting rods (2) at intervals, and the triangular shell (3) is arranged between the end parts of the supporting rods (2) far away from the supporting plate (1);
the driving assembly (4) is arranged on the supporting plate (1) and used for providing power;
the pipe clamping assembly (5) is arranged in the triangular shell (3) and is used for clamping and fixing the plastic pipe fitting;
and the internal tapping component (6) is arranged between the support plate (1) and the triangular shell (3), is matched with the driving component (4) and is used for tapping the inner wall of the plastic pipe fitting.
2. A double-sided tapping machine for plastic pipes according to claim 1, wherein the driving unit (4) comprises:
the rhombic rotating rod (42) is rotatably arranged at an eccentric position on one side in the supporting plate (1) far away from the triangular shell (3), and the end part of the rhombic rotating rod (42) penetrates through the supporting plate (1);
the long shaft gear (43) is slidably sleeved on the rhombic rotating rod (42) and matched with the internal tapping component (6), and the fastening screw (44) is rotatably connected to one side of the long shaft gear (43) close to the support plate (1) in a penetrating mode through threads and matched with the rhombic rotating rod (42);
the speed reducing motor (41), the speed reducing motor (41) is vertically installed at an eccentric position on one side of the outer side of the supporting plate (1) facing the triangular shell (3), and an output shaft of the speed reducing motor penetrates through the supporting plate (1);
the number of the belt pulleys (45) is at least two, and the belt pulleys (45) are arranged on the output shaft of the speed reducing motor (41) and one part of the rhombic rotating rod (42) far away from the triangular shell (3);
a drive belt (46), the drive belt (46) being wound between the two pulleys (45).
3. A double-sided tapping machine for plastic pipes according to claim 2 wherein the pipe clamping assembly (5) comprises:
the tripod (51) is mounted on the internal tapping component (6) and is positioned in the triangular shell (3), and a chain wheel (52) is rotatably connected to three ends of the tripod (51);
the swinging rod (53) is installed between two sides of the chain wheel (52), penetrates through the side surface of the triangular shell (3) and is in sliding fit with the side surface of the triangular shell;
the clamping rod (54) is mounted at the end part of the swinging rod (53) far away from the supporting plate (1), and is used for clamping and fixing the plastic pipe fitting;
the sliding rod (56), the sliding rod (56) is slidably connected to one side of the triangular shell (3) in a penetrating manner, the chain (55) is connected between two ends of the sliding rod (56), and the chain is sleeved among the three chain wheels (52);
the air cylinder (57) is installed on one side of the outer side of the triangular shell (3) close to the sliding rod (56), and the telescopic rod of the air cylinder (57) is fixedly connected with one side of the sliding rod (56).
4. A double-sided tapping device for plastic pipes according to claim 3 wherein the internal tapping unit (6) comprises:
the internal thread sleeve (61) is connected to the middle of one side of the triangular shell (3) close to the support plate (1) in a penetrating manner, and the end part of the internal thread sleeve (61) far away from the support plate (1) is fixedly connected with one side of the triangular frame (51) facing the support plate (1);
the threaded column (62) is rotatably connected into the internal threaded sleeve (61) in a penetrating mode, and an installation seat (66) is fixedly connected to the end, far away from the supporting plate (1), of the threaded column (62);
the inner tapping cutter (69) is slidably mounted on one side of the outer side of the mounting seat (66), a threaded rod (67) is arranged in the inner tapping cutter (69) through threads, and the tail end of the threaded rod (67) penetrates through the mounting seat (66);
the rotating rod (64) is rotatably connected into the threaded column (62) in a penetrating mode, one end of the rotating rod (64) penetrates through the supporting plate (1) and is fixedly connected with a knob (65), the other end of the rotating rod penetrates through the mounting seat (66) and is fixedly connected with a bevel gear (68), the end portion, far away from the internal tapping cutter (69), of the threaded rod (67) is also fixedly connected with a bevel gear (68), and the bevel gears (68) on the two sides are meshed;
the cylindrical gear (63) is sleeved on one outer side of the threaded column (62) close to the internal thread sleeve (61) and the rhombic rotating rod (42) and is meshed with the long shaft gear (43).
5. A double-sided tapping device for plastic pipes according to claim 4, further comprising an external tapping unit (7), the external tapping unit (7) comprising:
the rotating ring (71), the rotating ring (71) is rotatably mounted on one side of the supporting plate (1) facing the triangular shell (3), the number of the connecting rods (73) is at least four, and the connecting rods are distributed at intervals on one side of the rotating ring (71) far away from the supporting plate (1);
the inner gear ring (72) matched with the long shaft gear (43) is mounted on the inner side of the rotating ring (71);
the rotating cylinder (74), the rotating cylinder (74) is slidably placed on the four connecting rods (73);
the external thread sleeve (75) is sleeved among the three support rods (2) in a sliding mode, and the external thread sleeve (75) is matched with the rotary cylinder (74) through threads;
the sliding pipe (77) is connected to one side of the outer side of the rotating cylinder (74) far away from the support plate (1) in a penetrating mode;
the external tapping cutter (78), the external tapping cutter (78) is slidably penetrated in the sliding pipe (77);
the compression spring (79) is sleeved on the outer tapping cutter (78), one end of the compression spring (79) is fixedly connected with one side of the outer tapping cutter (78) facing the rotating cylinder (74), and the other end of the compression spring is fixedly connected with the end part of the sliding pipe (77) far away from the rotating cylinder (74).
6. The limiting piece (76), the limiting piece (76) sets up in connecting rod (73) one portion near gear motor (41), and it is with external thread cover (75) cooperation.
7. A double-sided tapping device for plastic pipes as claimed in claim 5 wherein the retaining member (76) comprises:
the sliding rod (761) is slidably connected to one part of the connecting rod (73) close to the speed reducing motor (41) in a penetrating manner and is matched with the external thread sleeve (75);
and the cylindrical spring (762) is sleeved on the sliding rod (761), one end of the cylindrical spring is fixedly connected with one side of the connecting rod (73) far away from the external thread sleeve (75), and the other end of the cylindrical spring is fixedly connected with one side of the sliding rod (761) facing the external thread sleeve (75).
8. A plastic pipe double-sided threading apparatus as claimed in claim 6 further comprising:
the guide frame (9) is arranged on the circumferential direction of one side of the outer side of the support plate (1) facing the rotary cylinder (74), and the guide frame (9) is in contact fit with the rotary cylinder (74);
the annular base (8) is installed on the outer circumferential direction of the guide frame (9) and used for supporting the device.
9. A plastic pipe double-sided threading apparatus as claimed in claim 7 further comprising:
the guide screw rod (10) is connected to one side, far away from the support plate (1) and an external tapping cutter (78) of the rotary cylinder (74), of the guide screw rod (10), and the end, facing the support plate (1), of the guide screw rod is fixedly connected with one side, far away from the outer side of a sliding pipe (77) of the annular base (8);
and the limiting nut (11) is rotatably sleeved on the guide screw rod (10) and matched with the external tapping cutter (78).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010452041.XA CN111590151B (en) | 2020-05-26 | 2020-05-26 | Plastic pipe fitting double-sided tapping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010452041.XA CN111590151B (en) | 2020-05-26 | 2020-05-26 | Plastic pipe fitting double-sided tapping device |
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| Publication Number | Publication Date |
|---|---|
| CN111590151A true CN111590151A (en) | 2020-08-28 |
| CN111590151B CN111590151B (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010452041.XA Active CN111590151B (en) | 2020-05-26 | 2020-05-26 | Plastic pipe fitting double-sided tapping device |
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| Country | Link |
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| CN (1) | CN111590151B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112170989A (en) * | 2020-09-07 | 2021-01-05 | 康建霞 | Quick tapping machine for steel bar sleeve |
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| JP2001259928A (en) * | 2000-03-21 | 2001-09-25 | Masatani:Kk | Special purpose machine for machining both sides of straight pipe with spiral joint |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112170989A (en) * | 2020-09-07 | 2021-01-05 | 康建霞 | Quick tapping machine for steel bar sleeve |
| CN112170989B (en) * | 2020-09-07 | 2022-08-09 | 康建霞 | Quick tapping machine for steel bar sleeve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111590151B (en) | 2023-05-05 |
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Effective date of registration: 20230419 Address after: 062500 Nanmazhuang Industrial Zone, Majiu Town, Renqiu City, Cangzhou City, Hebei Province Applicant after: RENQIU HUAXIN TELECOMMUNICATION EQUIPMENT Co.,Ltd. Address before: 330500 room 312, No.18, Cao village, Changjun Township, Anyi County, Nanchang City, Jiangxi Province Applicant before: Rao Xianxia |
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