CN109759851B - A metal round tube punching, drawing and flattening machine - Google Patents
A metal round tube punching, drawing and flattening machine Download PDFInfo
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- CN109759851B CN109759851B CN201910233615.1A CN201910233615A CN109759851B CN 109759851 B CN109759851 B CN 109759851B CN 201910233615 A CN201910233615 A CN 201910233615A CN 109759851 B CN109759851 B CN 109759851B
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Abstract
本发明公开了一种金属圆管的冲孔拔孔平口一体机，包括操作平台，操作平台上从左到右依次设有成型机构、主送料机构、冲孔机构、平口机构、拉料机构和下料机构，主送料机构包括移动底座和中空立体盒，中空立体盒上设有金属管夹定机构，并且中空立体盒的两侧分别设有管件旋转机构，中空立体盒上还设有送料机构，金属管夹定机构包括液压夹紧缸和弹性夹头，弹性夹头的外表面套设有双节滑动套管，双节滑动套管的外表面固定套装有马蹄形夹块，马蹄形夹块通过拱形连接头与液压夹紧缸的作用轴连接；本方案实现自动化机械打孔拔孔平口操作，提高生产效率，减少人工成本，提高生产产品的成品率，减少加工中工人直接与设备接触，减少工伤事故的出现。
The invention discloses an integrated machine for punching, pulling and flattening metal round tubes, comprising an operating platform, on which a forming mechanism, a main feeding mechanism, a punching mechanism, a flattening mechanism, a pulling mechanism and a feeding mechanism are arranged in sequence from left to right, the main feeding mechanism comprising a movable base and a hollow three-dimensional box, a metal tube clamping mechanism is arranged on the hollow three-dimensional box, and pipe rotating mechanisms are respectively arranged on both sides of the hollow three-dimensional box, a feeding mechanism is also arranged on the hollow three-dimensional box, the metal tube clamping mechanism comprises a hydraulic clamping cylinder and an elastic clamp, the outer surface of the elastic clamp is sleeved with a double-section sliding sleeve, the outer surface of the double-section sliding sleeve is fixedly sleeved with a horseshoe-shaped clamping block, and the horseshoe-shaped clamping block is connected to the action shaft of the hydraulic clamping cylinder through an arched connector; the scheme realizes automated mechanical punching, pulling and flattening operations, improves production efficiency, reduces labor costs, improves the yield rate of production products, reduces direct contact between workers and equipment during processing, and reduces the occurrence of work-related accidents.
Description
Technical Field
The embodiment of the invention relates to the technical field of stainless steel drinking water waterway pipelines, in particular to a punching, hole pulling and mouth flattening integrated machine for a metal round tube.
Background
Stainless steel has been the common material since the 20 th century of the invention. At present, the optimal performance price ratio of the water pipes made of various materials is stainless steel water pipes. This is related to the superior properties of corrosion resistance, high strength, strong impact resistance, etc. of stainless steel materials, which are healthy materials that can be implanted into the human body, so it is most healthy to select stainless steel pipes for water supply pipes. And (3) the soaking water test shows that all indexes meet the national relevant drinking water standard requirements. The inner wall of the stainless steel pipeline is smooth, can not be fouled after long-term use, is not easy to be stained by bacteria, does not need to worry about the influence of water quality, and can further stop secondary pollution of water.
At present, the processing of the stainless steel water diversion pipeline is basically performed by a manual punching machine for punching and manually pulling holes, and a milling machine performs milling after the holes are pulled out. The average daily throughput is around 400 wells, three people are required to do this, and the business pays 13500 round wages per month on average 4500 round wages per month. The processed pipeline has inaccurate hole site spacing, poor parallelism and low yield. The punching machine, the manual hole pulling and the milling machine are used for processing the pipe fitting by a worker, and the pipe fitting is directly contacted with processing equipment in the processing process, so that potential safety hazards exist.
Disclosure of Invention
Therefore, the embodiment of the invention provides a punching, hole pulling and mouth flattening integrated machine for a metal round pipe, which aims to solve the problems of low production efficiency and low product quality of a pipeline caused by manual punching, hole pulling and mouth flattening operation in the prior art.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
The punching, hole pulling and mouth flattening integrated machine for the metal round pipe comprises an operation platform, wherein a forming mechanism, a main feeding mechanism, a punching mechanism, a mouth flattening mechanism, a material pulling mechanism and a discharging mechanism, the action ports of which are positioned on the same alignment line, are sequentially arranged on the operation platform from left to right, linear tracks are respectively arranged on two sides of the punching mechanism of the operation platform, and the main feeding mechanism, the material pulling mechanism and the discharging mechanism can linearly move along the linear tracks;
The main feeding mechanism comprises a movable base and a hollow three-dimensional box arranged on the upper surface of the movable base, wherein a metal pipe clamping mechanism is arranged on the hollow three-dimensional box, pipe fitting rotating mechanisms for driving the metal pipes to rotate are respectively arranged on two sides of the hollow three-dimensional box, a feeding mechanism for driving the movable base to shift is further arranged on the hollow three-dimensional box, the metal pipe clamping mechanism comprises a hydraulic clamping cylinder arranged on the upper surface of the movable base and an elastic chuck movably connected with the hydraulic clamping cylinder, the elastic chuck is arranged on a side panel of the hollow three-dimensional box, a double-section sliding sleeve is sleeved on the outer surface of the elastic chuck, a horseshoe-shaped clamping block is fixedly sleeved on the outer surface of the double-section sliding sleeve, a plurality of evenly distributed arch connectors are arranged on the curved surface of the upper end of the horseshoe-shaped clamping block, a three-fork push rod is arranged on an acting shaft of the hydraulic clamping cylinder, and the acting head of the three-fork push rod is connected with the arch connectors through a stud.
Further, forming mechanism includes three-dimensional frame board to and install the shaping pneumatic cylinder on three-dimensional frame board, the mould fixed plate is installed to the action end of shaping pneumatic cylinder, fixed mounting has the round hole to strike the head pole on the mould fixed plate, be equipped with the guide cylinder hole frid that is used for the spacing processing of striking the head pole to the round hole in the three-dimensional frame board, the round hole strikes head pole overcoat and is equipped with protection test tube cover, be equipped with a plurality of groups evenly distributed's interior model hole of wearing on the protection test tube cover.
Further, the round hole impact head rod penetrates through the hollow three-dimensional box of the main feeding mechanism, the fixing ring of the elastic chuck is connected with a rotary intermediate pipe through a synchronous coupling, the rotary intermediate pipe is sleeved on the outer surface of the round hole impact head rod and can rotate around the round hole impact head rod, and the rotary intermediate pipe is installed inside the hollow three-dimensional box through a rotating bearing.
Further, the pipe fitting rotary mechanism comprises a rotary driving motor horizontally arranged on the movable base and a planetary reducer connected with the rotary driving motor, a rotating bearing is arranged in the hollow three-dimensional box, the elastic chuck is inserted in the rotating bearing, an output shaft of the planetary reducer is connected with a rotary intermediate pipe through a synchronous transmission belt, the feeding mechanism comprises a feeding servo motor vertically arranged on the upper surface of the movable base and a planetary reducer connected with the feeding servo motor, a driving gear shifting along a linear track is arranged at the bottom of the movable base, and an output end of the planetary reducer is connected with the driving gear.
Further, the punching mechanism comprises a bridge-shaped plate frame, clamping displacement units arranged on two side plates of the bridge-shaped plate frame, and a vertical punching unit arranged at the upper end of the bridge-shaped plate frame, wherein the clamping displacement units comprise clamping hydraulic cylinders and limiting clamping channels arranged between the two side plates at the lower end of the bridge-shaped plate frame, two sliding bases capable of linearly moving are arranged on the limiting clamping channels, an action shaft of the clamping hydraulic cylinders is connected with a horizontal T-shaped fixed rod, clamping jigs are sleeved on the horizontal T-shaped fixed rod, half T-shaped sleeves matched with the horizontal T-shaped fixed rod are arranged on the back surfaces of the clamping jigs, corresponding threaded through holes are formed in the half T-shaped sleeves and the horizontal T-shaped fixed rod, and sickle-shaped positioning rods are arranged on the threaded through threaded engagement.
Further, the lower extreme of centre gripping tool is equipped with the connection cushion of placing in the slide base top, the upper end center of centre gripping tool is equipped with the zigzag of interlock each other to the groove, and the upper end both sides of centre gripping tool are equipped with circular extrusion hole groove and oval punching hole groove respectively, wear-resisting rubber pad has all been laid to the internal surface of centre gripping tool, slide base's upper surface is equipped with the four corners fence board, the lower surface of connection cushion is equipped with the interior heavy four corners recess that corresponds with the four corners fence board.
Further, the vertical punching unit comprises a punching hydraulic cylinder of which an action shaft penetrates through the upper end of the bridge-type plate frame and two limiting guide posts which are symmetrical with respect to the central axis of the punching hydraulic cylinder, wherein the limiting guide posts are fixedly arranged at the upper end of the bridge-type plate frame, the lower ends of the two limiting guide posts are provided with associated long plates, an action rod of the punching hydraulic cylinder is fixedly arranged on the associated long plates, and the lower surface of the associated long plates is provided with a punching needle fixing mechanism.
Further, the punching needle fixing mechanism comprises a cylindrical cover plate integrated with the lower surface of the associated long plate, and a plurality of through holes uniformly distributed on the side curved surface of the cylindrical cover plate, a rotating screw rod is arranged along the axial center line of the cylindrical cover plate, the upper end of the rotating screw rod penetrates through the cylindrical cover plate and is provided with a screwing handle, the lower end of the rotating screw rod rotates around the lower plate of the cylindrical cover plate, a curved surface thread base is sleeved outside the rotating screw rod, a plurality of limiting long rods in one-to-one correspondence with the through holes are hinged on the side curved surface of the curved surface thread base, a position control clamping plate is further arranged at the corresponding position of the through holes at the bottom of the cylindrical cover plate, a translation track matched with the position control clamping plate is further arranged at the bottom of the cylindrical cover plate, and the upper end of the position control clamping plate is hinged with the tail end of the limiting long rods.
Further, the punching needle fixing mechanism further comprises a hollow cylinder column sleeved on the outer surface of the cylindrical cover plate, a through hole for the movement of the position control clamping plate is formed in the side curved surface of the hollow cylinder column, and a punching needle is arranged in the center of the lower surface of the hollow cylinder column.
Further, the plain end mechanism comprises a protection wallboard fixedly installed on a bridge type plate frame and a plain end servo motor arranged at the upper end of the protection wallboard, a vertical screw rod connected with an output shaft of the plain end servo motor is arranged in the protection wallboard, the vertical screw rod is connected with a plain end power head through a ball base, a plain end driving motor is installed in the plain end power head, and a plain end cutter disc is installed on an output shaft of the plain end driving motor.
The embodiment of the invention has the following advantages:
(1) According to the invention, three working procedures of punching by a manual punching machine, manual hole pulling and hole pulling are integrated into one device by a milling machine after hole pulling, so that automatic mechanical punching hole pulling and hole opening operation is realized, the production efficiency is improved, the daily output is improved to 4 times, the labor cost is reduced, the yield of produced products is improved, the direct contact between workers and the device in processing is reduced, and the occurrence of industrial injury accidents is reduced;
(2) The clamping jig disclosed by the invention is simple in fixing mode, a plurality of threaded holes are prevented from being punched on the surface of the jig, the clamping use strength of the jig is improved, the surface of the jig is prevented from being sunken, the clamping capacity on a pipe fitting is improved, the stability of punching and pulling holes is improved, and the punching yield of a product is improved;
(3) The fixing mode of the punching needle is simple to operate and convenient to use, one-key type mounting and dismounting operation is realized, meanwhile, the mounting structure is stable, the punching needle is prevented from shaking when being extruded and punched, and the production quality is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.
FIG. 1 is a schematic diagram of the overall structure of an integrated machine according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a main feeding mechanism according to an embodiment of the present invention;
Fig. 3 is a schematic diagram of a connection driving structure of a clamping hydraulic cylinder according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a shaping mechanism according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a rear view structure of a feeding mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a punching mechanism according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a mounting structure of a clamping fixture according to an embodiment of the present invention;
fig. 8 is a schematic top view of a clamping fixture according to an embodiment of the present invention;
fig. 9 is a schematic side view of a punch pin fixing mechanism according to an embodiment of the present invention;
Fig. 10 is a schematic view of a fixing structure of a punch pin according to an embodiment of the present invention;
Fig. 11 is a schematic structural diagram of a flat-nose mechanism according to an embodiment of the present invention.
In the figure:
1-an operation platform; 2-a forming mechanism; 3-a main feeding mechanism; 4-a punching mechanism; 5-a flat-mouth mechanism; 6-a material pulling mechanism; 7-a blanking mechanism; 8-linear tracks; 9-synchronous couplings; 10-rotating the intermediate tube; 11-connecting cushion blocks; 12-zigzag paired grooves; 13-circular extrusion hole slots; 14-elliptical punching hole slots; 15-a wear-resistant rubber pad; 16-four corner fence panels; 17-inward sinking four-corner grooves; 18-a punch needle fixing mechanism; 19-punching needles;
201-a three-dimensional frame plate; 202-forming a hydraulic cylinder; 203-a die-fixing plate; 204-a round hole impact head rod; 205-guiding a cylindrical hole slot plate; 206-protecting the test tube cover; 207-internally penetrating a model hole;
301-moving a base; 302-a hollow stereo box; 303-a metal tube clamping mechanism; 304-a tube rotation mechanism; 305, a feeding mechanism;
3031-a hydraulic clamping cylinder; 3032-a collet; 3033-double-section sliding sleeve; 3034-horseshoe clamp block; 3035-arcuate connectors; 3036-a trifurcated push rod; 3037-stud;
3041-a rotary drive motor; 3042-planetary reducer; 3043-a rotating bearing; 3044-timing belt;
3051-feeding servo motor; 3052-drive gear; 3053-;
401-bridge-type plate frame; 402-a clamp shift unit; 403-a vertical punching unit;
4021—a clamping hydraulic cylinder; 4022—restricting the detent channel; 4023—a sliding base; 4024-a horizontal T-shaped fixed rod; 4025-a clamping jig; 4026-half T-sleeve; 4027-thread piercing; 4028-sickle-shaped positioning rod;
4031-punching hydraulic cylinder; 4032-limit guide posts; 4033-associated long plates;
501-a protective wallboard; 502-a flat-mouth servo motor; 503-vertical screw rod; 504-ball mount; 505-plain-end power head; 506-a flat-mouth drive motor; 507-flat cutterhead;
1801-a cylindrical cover plate; 1802-through hole; 1803-turning the lead screw; 1804-screwing the handle; 1805-curved thread base; 1806-restraining the long rod; 1807-a position control clamping plate; 1808-translating the track; 1809-hollow cylinder.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, the embodiment of the invention relates to a punching, hole pulling and mouth flattening integrated machine for a metal round tube, which comprises an operation platform 1, wherein a forming mechanism 2, a main feeding mechanism 3, a punching mechanism 4, a mouth flattening mechanism 5, a material pulling mechanism 6 and a blanking mechanism 7 with function ports on the same alignment line are sequentially arranged on the operation platform 1 from left to right.
Here, the invention needs to decompose each functional module on the integrated machine, and thin the functional characteristics of each mechanism, the main feeding mechanism 3 firstly uses the chuck to fix the metal pipe, then drives the metal pipe to perform left-right reciprocating linear movement to realize the forward-backward movement positioning of the pipe fitting, the main feeding mechanism 3 can also realize the forward-backward rotation positioning of the pipe fitting by rotating 0-360 degrees under the action of the rotating unit, and finally the pipe fitting sequentially passes through the punching mechanism 4 to perform punching operation at any surface position.
The pipe fitting is positioned and conveyed from an initial point by the main feeding mechanism 3, the pipe fitting is fixed by the punching mechanism 4 through the clamping hands, hydraulic power is provided by the hydraulic pump station, the piston of the oil cylinder is pushed to drive the punching needle to move up and down, the pipe fitting is punched out of the prefabricated elliptical hole, and finally the clamping hands are released, the operation is circulated, and the pipe fitting is subjected to sequential and uniform punching operation.
After the elliptical punching is completed, the main feeding mechanism 3 moves the pipe fitting to an initial point for conveying, the elliptical hole is moved to the middle of the punching mechanism 4 again, the hydraulic pump station provides hydraulic power to control an external forming hydraulic cylinder, the hydraulic cylinder pushes an external forming clamping die to clamp the pipe fitting, the forming mechanism 2 pushes an internal forming die, and the elliptical hole is formed into a cylindrical hole by stretching the elliptical hole through the forming die.
After the round hole is stretched, the main feeding mechanism 3 moves the pipe fitting to an initial point for conveying, the cylindrical hole is moved to the position below the flat opening mechanism 5, the pipe fitting is clamped by power obtained through the gas air compressor by utilizing the left cylinder and the right cylinder, the power head moves downwards, the flat opening cutter head rotates by using the main shaft of the power head, and the power head drives the cutter head to mill the non-planar surface of the formed cylindrical hole.
The material pulling mechanism 6 is used in the processes of punching, shaping, stretching and flattening, and the main feeding mechanism 3 cannot be completely moved to the position right below the punching mechanism, so that when the tail end of a pipe is processed, the main feeding mechanism 3 needs to release the pipe, the material pulling mechanism 6 clamps the pipe to continue to shift, and the tail end of the pipe is ensured to be moved to the position right below the punching mechanism 4 and the flattening mechanism 5.
The blanking mechanism 7 mainly shifts the pipe fitting after punching and hole pulling are completed, and mainly comprises a dragging cylinder and a dragging roller, wherein the dragging cylinder pushes the dragging roller to vertically straighten the pipe fitting and drive the pipe fitting to randomly move, so that the pipe fitting smoothly moves to reduce resistance.
According to the above description, in this embodiment, the main feeding mechanism 3, the pulling mechanism 6 and the discharging mechanism 7 need to be shifted to drive the pipe to move, and the surface of the pipe is sequentially and uniformly punched and pulled, so the operation platform 1 is respectively provided with the linear rails 8 on two sides of the punching mechanism 4, the main feeding mechanism 3, the pulling mechanism 6 and the discharging mechanism 7 can all linearly move along the linear rails 8, and other operation mechanisms are directly and fixedly installed on the operation platform 1, in addition, because all the operation mechanisms in this embodiment participate in the specific punching and pulling process of the pipe, the action axes of the operation mechanisms in this embodiment during working are on the same alignment line, so that the pipe is ensured to be kept in parallel shifting during shifting.
The above description is simply a functional description of each operating mechanism, and the following will explain the structure of the important operating mechanism.
As shown in fig. 2 and 3, the main feeding mechanism 3 includes a movable base 301, and a hollow solid box 302 disposed on the upper surface of the movable base 301, a metal tube clamping mechanism 303 is disposed on the hollow solid box 302, two sides of the hollow solid box 302 are respectively provided with a tube rotation mechanism 304 for driving the metal tube to rotate, and a feeding mechanism 305 for driving the movable base to shift is further disposed on the hollow solid box 302.
The metal tube clamping mechanism 303, the tube rotating mechanism 304 and the feeding mechanism 305 are controlled by a PLC program, and specific metal tube clamping and metal tube conveying processes are performed according to the sequence of steps and the time sequence, wherein the metal tube clamping mechanism 303 can complete the operation of clamping and releasing the tube according to the requirement, the feeding mechanism 305 performs parallel linear processing on the metal tube, and the tube rotating mechanism 304 drives the metal tube body to perform forward and backward rotation of 0-360 degrees, so that punching operation can be performed on any plane of the tube.
The metal pipe clamping mechanism 303 comprises a hydraulic clamping cylinder 3031 arranged on the upper surface of the movable base 301 and an elastic chuck 3032 movably connected with the hydraulic clamping cylinder 3031, the elastic chuck 3032 is arranged on a side panel of the hollow three-dimensional box 302, a double-section sliding sleeve 3033 is sleeved on the outer surface of the elastic chuck 3032, a horseshoe-shaped clamping block 3034 is fixedly sleeved on the outer surface of the double-section sliding sleeve 3033, a plurality of uniformly distributed arched connectors 3035 are arranged on the curved surface of the upper end of the horseshoe-shaped clamping block 3034, a three-fork push rod 3036 is arranged on an action shaft of the hydraulic clamping cylinder 3031, and an action head of the three-fork push rod 3036 is connected with the arched connectors 3035 through a stud 3037.
The collet 3032 is used for clamping a pipe, and in general, the collet is generally used for being arranged on a milling machine to fasten a drill bit or a milling cutter, has a certain elastic performance, can absorb vibration and impact energy, ensures the installation stability of the pipe when punching and flattening, can effectively prevent the steering condition, can effectively reduce the influence of centrifugal force, so that the clamping force can be more stable in the whole processing speed range, and the collet 3032 applies the clamping force on the whole circumference of the pipe instead of only a selected contact area, thereby obtaining good concentricity.
The double-section sliding sleeve 3033 is sleeved on the outer surface of the elastic chuck 3032, and the elastic chuck 3032 is provided with a stop block, so that when the double-section sliding sleeve 3033 moves towards the opening end of the elastic chuck 3032, the elastic chuck 3032 is pressed inwards to enable the elastic chuck 3032 to completely clamp a pipe fitting, and when the double-section sliding sleeve 3033 moves reversely on the surface of the elastic chuck 3032, the elastic chuck 3032 releases the clamping action on the pipe fitting due to the self rebound performance, and the pipe fitting can be separated from the constraint of the elastic chuck 3032.
Therefore, the collet 3032 realizes the pipe clamping function mainly by means of the moving positioning of the double-section sliding sleeve 3033, so that the hydraulic clamping cylinder 3031 is used for pushing the double-section sliding sleeve 3033 to move forward and backward, when the hydraulic clamping cylinder 3031 contracts inwards, the hydraulic clamping cylinder 3031 drives the horseshoe-shaped clamping block 3034 to move left through the three-fork push rod 3036, the double-section sliding sleeve 3033 weakens the binding effect on the collet 3032, the collet 3032 weakens the clamping effect on a pipe fitting, the pipe fitting can be separated from the collet 3032, when the hydraulic clamping cylinder 3031 extends outwards, the hydraulic clamping cylinder 3031 drives the horseshoe-shaped clamping block 3034 to move right through the three-fork push rod 3036, so that the double-section sliding sleeve 3033 strengthens the binding effect on the collet 3032, the collet 3032 increases the clamping effect on the pipe fitting, and the collet 3032 clamps the pipe fitting.
The hydraulic clamping cylinder 3031 of the embodiment pushes the double-section sliding sleeve 3033 to translate through the three-fork push rod 3036, so that the acting area on the double-section sliding sleeve 3033 is increased, and the smooth displacement of the double-section sliding sleeve 3033 on the elastic collet 3032 is ensured.
As shown in fig. 4, the forming mechanism 2 comprises a solid frame plate 201 and a forming hydraulic cylinder 202 installed on the solid frame plate 201, a die fixing plate 203 is installed at the acting end of the forming hydraulic cylinder 202, a round hole impact head rod 204 is fixedly installed on the die fixing plate 203, a guide cylindrical hole groove plate 205 for limiting the round hole impact head rod 204 is arranged in the solid frame plate 201, a protective test tube cover 206 is fixedly sleeved outside the round hole impact head rod 204, and a plurality of groups of uniformly distributed internal through model holes 207 are formed in the protective test tube cover 206.
One end of the round hole impact head rod 204 is detachably and movably mounted on the die fixing plate 203, the round hole impact head rod 204 can move left and right in a cylindrical hole of the guide cylindrical hole groove plate 205, the other end of the round hole impact head rod 204 is sleeved with a protective test tube cover 206, the protective test tube cover 206 is positioned under the punching mechanism 4 in use, and the diameter of the round hole is determined by the internal through model hole 207.
It should be noted that, the protective tube cover 206 is sleeved on the inner surface of the tube, the inner diameter of the protective tube cover is basically the same as the outer diameter of the tube, the round hole impact head rod 204 is arranged inside the protective tube cover 206, the round hole impact head rod 204 is provided with an ultrasonic impact head, high-frequency electric energy is converted into mechanical vibration by using an ultrasonic metal welding principle to act on the copper tube through the transducer device, then pressure is applied, when enough current is passed, a large amount of resistance heat is generated at the contact position of the plate, the metal in the central hottest area is quickly heated to a high plasticity or melting state, and the middle part of the metal is provided with a round hollow so as to achieve the effect of pulling out the hole.
In general, when the punching mechanism 4 punches a pipe, since the outer surface of the pipe is in a cambered surface structure, the hole punched by the punching mechanism 4 is elliptical, not a standard circular hole, and therefore, it is necessary to form a standard circular hole structure for the ellipse Kong Lashen by the forming mechanism 2.
The forming mechanism 2 and the main feeding mechanism 3 are mutually matched to support and fix the inside of the pipe fitting, so that the subsequent punching and hole pulling operation is convenient.
The round hole impact head rod 204 passes through the hollow solid box 302 of the main feeding mechanism 3, the fixed ring of the elastic collet 3032 is connected with a rotary intermediate pipe 10 through a synchronous coupler 9, the rotary intermediate pipe 10 is sleeved on the outer surface of the round hole impact head rod 204 and can rotate around the round hole impact head rod 204, and the rotary intermediate pipe 10 is installed inside the hollow solid box 302 through a rotating bearing.
Due to the combined limiting action of the die fixing plate 203 and the guide cylindrical hole groove plate 205 on the forming mechanism 2, the round hole impact head rod 204 can horizontally pass through the fixedly connected hollow three-dimensional box 302 and the elastic clamp 3032, and the elastic clamp 3032 rotates around the round hole impact head rod 204, so that the elastic clamp 3032 can not prevent the round hole impact head rod 204 from working normally when driving a pipe fitting to rotate.
As shown in fig. 2 and 5, the pipe rotation mechanism 304 includes a rotation driving motor 3041 horizontally mounted on the moving base 301, and a planetary reducer 3042 connected to the rotation driving motor 3041, a rotation bearing 3043 is provided inside the hollow solid case 302, the elastic chucks 3032 are inserted in the rotation bearing 3043, and an output shaft of the planetary reducer 3042 is connected to the rotation intermediate pipe 10 through a timing belt 3044.
Because the fixed ring of the elastic collet 3032 is fixedly connected with the rotary intermediate pipe 10 through the synchronous coupling 9, when the rotary driving motor 3041 drives the planetary reducer 3042 to transmit force to the synchronous driving belt 3044, the elastic collet 3032 realizes 0-360-degree positive and negative rotary positioning.
It should be noted that, the timing belt 3044 of the present embodiment is a conventional driving assembly, and includes a driving wheel connected to an output shaft of the rotary driving motor 3041, a driven wheel mounted on the rotary middle tube 10, and a transmission belt sleeved between the driving wheel and the driven wheel, so as to realize a normal driving operation of the rotary driving motor 3041 on the pipe.
The feeding mechanism 305 comprises a feeding servo motor 3051 vertically arranged on the upper surface of the movable base 301 and a planetary reducer 3042 connected with the feeding servo motor 3051, a driving gear 3052 shifted along the linear track 8 is arranged at the bottom of the movable base 301, the output end of the planetary reducer 3042 is connected with the driving gear 3052, and the feeding servo motor 3051 drives the planetary reducer 3042 to transmit force to the driving gear 3052, so that the pipe fitting can be moved and positioned forwards and backwards.
After the main feeding mechanism 3 clamps the pipe fitting and the feeding mechanism 305 drives the pipe fitting to linearly move on the track, the pipe fitting moves to the punching mechanism 4 for the next punching operation.
As shown in fig. 6 to 8, the punching mechanism 4 includes a bridge-type pallet 401, a holding and displacing unit 402 provided at both side plates of the bridge-type pallet 401, and a vertical punching unit 403 mounted at the upper end of the bridge-type pallet 401.
After the pipe is subjected to the punching mechanism 4, the clamping and shifting unit 402 first clamps the outer surface of the pipe to perform external fixing of the pipe, and then the vertical punching unit 403 performs the next punching operation.
The clamping and shifting unit 402 comprises a clamping hydraulic cylinder 4021 and a limiting clamping channel 4022 arranged between two side plates at the lower end of the bridge-shaped plate frame 401, two sliding bases 4023 which move linearly are arranged on the limiting clamping channel 4022, a horizontal T-shaped rod 4024 is connected to an action shaft of the clamping hydraulic cylinder 4021, a clamping jig 4025 is sleeved on the horizontal T-shaped rod 4024, a half T-shaped sleeve 4026 matched with the horizontal T-shaped rod 4024 is arranged on the back surface of the clamping jig 4025, corresponding threaded holes 4027 are formed in the half T-shaped sleeve 4026 and the horizontal T-shaped rod 4024, and sickle-shaped positioning rods 4028 are arranged on the threaded holes 4027 through threaded engagement.
In the working process of the clamping and shifting unit 402, a clamping jig 4025 is firstly installed, a half T-shaped sleeve 4026 is sleeved on a horizontal T-shaped rod 4024 from top to bottom, and the T-shaped structure can ensure that the clamping jig 4025 can synchronously linearly move along with a clamping hydraulic cylinder 4021 so as to prevent the clamping jig 4025 from rotating on the horizontal T-shaped rod 4024; then half T-shaped sleeve 4026 and horizontal T-shaped rod 4024 are fixedly installed together through sickle-shaped positioning rod 4028, so that clamping fixture 4025 can be effectively prevented from shaking.
The lower extreme of centre gripping tool 4025 is equipped with the connection cushion 11 of placing in slide base 4023 top, the upper end center of centre gripping tool 4025 is equipped with the zigzag of interlock each other to groove 12, and the upper end both sides of centre gripping tool 4025 are equipped with circular extrusion hole groove 13 and oval punching hole groove 14 respectively, wear-resisting rubber pad 15 has all been laid to the internal surface of centre gripping tool 4025, slide base 4023's upper surface is equipped with four corners fence plate 16, the lower surface of connection cushion 11 is equipped with the interior heavy four corners recess 17 that corresponds with four corners fence plate 16.
In addition, when the clamping jig 4025 shifts under the action of the clamping hydraulic cylinder 4021, the clamping jig 4025 is fixed on the sliding base 4023 through the connecting cushion block 11, and the specific fixing mode is that the four-corner fence plate 16 and the inward-sinking four-corner groove 17 are limited and clamped, so that stability of the clamping jig 4025 in relative motion is guaranteed, dislocation of the two clamping jigs 4025 in pipe fitting clamping is avoided, and stability of punching operation is improved.
The fixing mode of the clamping fixture 4025 of this embodiment is different from a general fixing mode, most of the general fixing modes are bolt fixing, namely, a side plate of the clamping fixture 4025 is fixed with an action shaft of the clamping hydraulic cylinder 4021 through bolts, and a connecting cushion block 11 of the clamping fixture 4025 is fixed with the sliding base 4023 through bolts, the fixing mode is inconvenient to detach and install, the fixing operation of a plurality of bolts is needed to ensure the installation stability of the clamping fixture 4025, the clamping fixture 4025 is required to be perforated, the accuracy requirement of holes is high, the workload is increased, the structural section performance is reduced due to perforation, and steel is wasted due to a complex structure.
In this embodiment, only one bolt is needed to realize stable installation of the clamping fixture 4025, and the clamping fixture is convenient to use and simple to operate.
The vertical punching unit 403 comprises a punching hydraulic cylinder 4031 with an action shaft penetrating through the upper end of the bridge-type plate frame 401, and two limit guide posts 4032 symmetrical to the central axis of the punching hydraulic cylinder 4031, wherein the limit guide posts 4032 are fixedly arranged at the upper end of the bridge-type plate frame 401, the lower ends of the two limit guide posts 4032 are provided with an associated long plate 4033, the action rod of the punching hydraulic cylinder 4031 is fixedly arranged on the associated long plate 4033, and the lower surface of the associated long plate 4033 is provided with a punching needle fixing mechanism 18.
The vertical punching unit 403 realizes the punching operation on the pipe fitting, the main power source for punching comes from the punching hydraulic cylinder 4031, and the punching hydraulic cylinder 4031 drives the punching needle to move downwards, so that the punching can be realized.
Most of the prior art punch pin fixing mechanisms 18 are fixed by bolts or are connected by couplings synchronously, and the above fixing manner also needs to perform screwing in and screwing out of a plurality of bolts when the punch pin is installed and disassembled, so that the replacement efficiency of the punch pin is affected. The embodiment particularly designs a fixing mechanism suitable for the work of the punching needle aiming at the work process of the punching needle.
As shown in fig. 9 and 10, the punch pin fixing mechanism 18 comprises a cylindrical cover plate 1801 integrated with the lower surface of the associated long plate 4033, and a plurality of through holes 1802 uniformly distributed on the side curved surface of the cylindrical cover plate 1801, a rotating screw 1803 is arranged along the axial center line of the cylindrical cover plate 1801, the upper end of the rotating screw 1803 penetrates through the cylindrical cover plate 1801 and is provided with a screwing handle 1804, the lower end of the rotating screw 1803 rotates around the lower plate of the cylindrical cover plate 1801, the curved surface threaded base 1805 is sleeved outside the rotating screw 1803, and a plurality of limiting long rods 1806 in one-to-one correspondence with the through holes 1802 are hinged on the side curved surface of the curved surface threaded base 1805.
When the turning handle 1804 is used to drive the turning screw 1803 forward or backward, the curved-surface threaded base 1805 moves linearly up and down along the turning screw 1803, and the limiting long rod 1806 is hinged on a side curved surface of the curved-surface threaded base 1805, so that when the curved-surface threaded base 1805 moves vertically, the limiting long rod 1806 can rotate around the hinge point, and the included angle between the limiting long rod 1806 and the turning screw 1803 is changed.
It should be noted that, the limiting long rod 1806 is used to suspend the needle plate, and the limiting long rod 1806 is hinged on the side curved surface of the curved surface threaded base 1805, so that the included angle between the limiting long rod 1806 and the rotating screw 1803 is ensured to be in the range of 0-90 °.
The bottom of cylinder cover plate 1801 still is equipped with accuse position cardboard 1807 in the corresponding position of through-hole 1802 to the bottom of cylinder cover plate 1801 still is equipped with the translation track 1808 that matches with accuse position cardboard 1807, accuse position cardboard 1807's upper end is articulated with restriction stock 1806's end together, is equipped with hollow cylinder 1809 at cylinder cover plate 1801 surface, is equipped with the through-hole 1802 that supplies accuse position cardboard 1807 to remove on the side curved surface of hollow cylinder 1809, the lower surface central point of hollow cylinder 1809 puts and is equipped with towards needle 19.
When the curved-surface threaded base 1805 is shifted up and down, the limiting long rod 1806 changes the included angle with the rotating screw 1803, so that the position control clamping plate 1807 is pushed to move in the translation track 1808, and the position control clamping plate 1807 connects the cylindrical cover plate 1801 and the hollow cylinder 1809 in series, so that the hollow cylinder 1809 is fixed.
According to the above description of the punch pin fixing mechanism 18, the following will describe the mounting operation of the punch pin fixing mechanism 18:
Firstly, the rotating screw 1803 is reversely rotated by using the screwing handle 1804, the curved-surface threaded base 1805 moves upwards along the rotating screw 1803, at the moment, the long rod 1806 is limited to rotate around the hinging point on the curved-surface threaded base 1805, the distance between the long rod 1806 and the rotating screw 1803 is gradually reduced, and when the long rod 1806 is limited to rotate, the position control clamping plate 1807 is driven to move inwards on the translation track 1808;
Then, the hollow cylinder 1809 is completely covered on the outer surface of the cylindrical cover plate 1801 until the hollow cylinder 1809 and the cylindrical cover plate 1801 have no redundant gaps, and the hollow cylinder 1809 is rotated until the hollow cylinder 1809 and the through holes 1802 on the cylindrical cover plate 1801 are completely in one-to-one correspondence;
Finally, the rotating screw 1803 is rotated forward by using the screwing handle 1804, the curved-surface threaded base 1805 moves downwards along the rotating screw 1803, at this time, the long rod 1806 is limited to rotate around the hinge point on the curved-surface threaded base 1805, the distance between the long rod 1806 and the rotating screw 1803 is gradually increased, and when the long rod 1806 is limited to rotate, the position control clamping plate 1807 is driven to move outwards on the translation track 1808 until the position control clamping plate 1807 completely passes through the through hole 1802, so that the installation and fixation of the hollow cylinder 1809 and the punch pin 19 can be realized.
The disassembly working process of the punching needle fixing mechanism 18 is just opposite to the installation process, the above-mentioned punching needle fixing operation is simple, the installation and disassembly of the punching needle can be realized only by rotating the rotating screw 1803, excessive bolt fixing is not needed, meanwhile, the punching needle cannot shake up and down in the impact process due to the complete matching use of the position control clamping plate 1807 and the through hole 1802, the punching quality is improved, the reverse acting force received by the punching needle is buffered through the bottom of the cylindrical cover plate 1801, the influence of the recoil force on the position control clamping plate 1807 is avoided, and the service life is prolonged.
The above-mentioned punch pin fixed establishment 18 can effectually improve the convenience that the punch pin was changed, easy operation, convenient to use to reduce the influence of punching operation to fixed establishment, improve the intensity of punching operation, reduce fixed establishment's slotting condition.
After the punching is completed, the outside of the pipe is required to be secondarily clamped by the clamping and shifting unit 402, and then the punching position is subjected to a hole drawing operation by using the setting mechanism 2.
As shown in fig. 11, the flat-mouth mechanism 5 comprises a protection wall plate 501 fixedly installed on a bridge-type plate frame 401 and a flat-mouth servo motor 502 arranged at the upper end of the protection wall plate 501, a vertical screw rod 503 connected with an output shaft of the flat-mouth servo motor 502 is arranged in the protection wall plate 501, the vertical screw rod 503 is connected with a flat-mouth power head 505 through a ball base 504, a flat-mouth driving motor 506 is installed in the flat-mouth power head 505, and a flat-mouth cutter head 507 is installed at an output shaft of the flat-mouth driving motor 506.
The flat mouth servo motor 502 drives the flat mouth cutter 507 to vertically move, the flat mouth driving motor 506 drives the flat mouth cutter 507 to rotationally polish, and the flat mouth operation is completed through the cooperation of the flat mouth servo motor 502 and the flat mouth driving motor 506.
In addition, it should be noted that the operation platform 1 is further provided with a pneumatic gripper cooperating with the plain end mechanism 5 for fixing the pipe fitting during plain end operation.
According to the description of the structure and the working principle of the punching, hole pulling and mouth flattening integrated machine, the invention also needs to uniformly describe the working method of the integrated machine:
Step 100, the pipe fitting is clamped by the auxiliary clamping mechanism of the material pulling mechanism, the pipe fitting is pushed to be shifted to the main material feeding mechanism until the main material feeding mechanism clamps the pipe fitting, and the pipe fitting is released by the material pulling mechanism;
step 200, conveying the pipe fitting to the lower part of the punching mechanism by the main material conveying mechanism, positioning and clamping, and assisting the main material conveying mechanism and the material pulling mechanism until a plurality of elliptical holes which are uniformly distributed are punched on the surface of the pipe fitting;
step 300, the main feeding mechanism secondarily conveys the pipe fitting to the lower part of the punching mechanism for positioning and clamping, and the ellipse Kong Lashen is a cylindrical hole by utilizing the shaping die of the shaping mechanism 2;
400, conveying the pipe fitting to the lower part of the plain end mechanism for positioning and clamping three times by the main material conveying mechanism, and polishing the surface of the cylindrical hole;
and 500, after polishing, releasing the pipe fitting, and completing conveying the pipe fitting by a blanking mechanism 7.
The punching and hole pulling mode is not only suitable for round pipes, but also suitable for metal square pipes.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (7)
1. The punching, hole pulling and mouth flattening integrated machine for the metal round pipes is characterized by comprising an operation platform (1), wherein a forming mechanism (2), a main feeding mechanism (3), a punching mechanism (4), a mouth flattening mechanism (5), a material pulling mechanism (6) and a discharging mechanism (7) with action ports on the same alignment line are sequentially arranged on the operation platform (1) from left to right, linear tracks (8) are respectively arranged on two sides of the punching mechanism (4) of the operation platform (1), and the main feeding mechanism (3), the material pulling mechanism (6) and the discharging mechanism (7) can linearly move along the linear tracks (8);
The main feeding mechanism (3) comprises a movable base (301) and a hollow three-dimensional box (302) arranged on the upper surface of the movable base (301), a metal pipe clamping mechanism (303) is arranged on the hollow three-dimensional box (302), pipe fitting rotating mechanisms (304) for driving metal pipes to rotate are respectively arranged on two sides of the hollow three-dimensional box (302), a feeding mechanism (305) for driving the movable base to shift is further arranged on the hollow three-dimensional box (302), the metal pipe clamping mechanism (303) comprises a hydraulic clamping cylinder (3031) arranged on the upper surface of the movable base (301) and an elastic chuck (3032) movably connected with the hydraulic clamping cylinder (3031), the elastic chuck (3032) is arranged on a side panel of the hollow three-dimensional box (302), a double-section sliding sleeve (3033) is sleeved on the outer surface of the double-section sliding sleeve (3033), a plurality of arch-shaped connectors (3035) which are uniformly distributed are arranged on the curved surface of the upper end of the double-section sliding sleeve (3034), and the elastic chuck (3032) is provided with a plurality of arch-shaped connectors (3035) which are connected with a push rod (3036) through the function of the three-way function of the push rod (3036);
The forming mechanism (2) comprises a three-dimensional frame plate (201) and a forming hydraulic cylinder (202) arranged on the three-dimensional frame plate (201), wherein a die fixing plate (203) is arranged at the action end of the forming hydraulic cylinder (202), a round hole impact head rod (204) is fixedly arranged on the die fixing plate (203), a guide cylindrical hole groove plate (205) for limiting the round hole impact head rod (204) is arranged in the three-dimensional frame plate (201), a protective test tube cover (206) is sleeved outside the round hole impact head rod (204), and a plurality of groups of uniformly distributed internal through model holes (207) are formed in the protective test tube cover (206);
The punching mechanism (4) comprises a bridge-shaped plate frame (401), clamping and shifting units (402) arranged on two side plates of the bridge-shaped plate frame (401), and a vertical punching unit (403) arranged at the upper end of the bridge-shaped plate frame (401), wherein the clamping and shifting units (402) comprise clamping hydraulic cylinders (4021) and limiting clamping grooves (4022) arranged between the two side plates at the lower end of the bridge-shaped plate frame (401), two sliding bases (4023) which linearly move are arranged on the limiting clamping grooves (4022), the action shafts of the two clamping hydraulic cylinders (4021) are connected with horizontal T-shaped fixed rods (4024), clamping jigs (4025) are sleeved on the horizontal T-shaped fixed rods (4024), half-edge T-shaped sleeves (4026) matched with the horizontal T-shaped fixed rods (4024) are arranged on the back surfaces of the clamping jigs (4025), corresponding through threads (4027) are arranged on the half-edge-T-shaped sleeves (6) and the horizontal T-shaped fixed rods (4024), and the threads (4027) are meshed with threads (4028);
The utility model provides a flat-nose mechanism (5) is including fixed mounting protection wallboard (501) on bridge type grillage (401) to and set up flat-nose servo motor (502) in protection wallboard (501) upper end, be equipped with in protection wallboard (501) with flat-nose servo motor (502) output shaft's vertical lead screw (503), vertical lead screw (503) are connected with flat nose unit head (505) through ball base (504), install flat nose driving motor (506) in flat nose unit head (505), flat nose cutter head (507) are installed to the output shaft of flat nose driving motor (506).
2. The punching, hole-pulling and mouth-flattening integrated machine for metal round pipes, as set forth in claim 1, is characterized in that: the round hole impact head rod (204) penetrates through a hollow three-dimensional box (302) of the main feeding mechanism (3), a fixed ring of the elastic chuck (3032) is connected with a rotary intermediate pipe (10) through a synchronous coupling (9), the rotary intermediate pipe (10) is sleeved on the outer surface of the round hole impact head rod (204) and can rotate around the round hole impact head rod (204), and the rotary intermediate pipe (10) is installed inside the hollow three-dimensional box (302) through a rotating bearing.
3. The punching, hole-pulling and mouth-flattening integrated machine for metal round pipes according to claim 2, wherein: the pipe fitting rotating mechanism (304) comprises a rotating driving motor (3041) horizontally installed on a moving base (301) and a planetary reducer (3042) connected with the rotating driving motor (3041), a rotating bearing (3043) is arranged in the hollow three-dimensional box (302), the elastic clamp (3032) is inserted in the rotating bearing (3043), an output shaft of the planetary reducer (3042) is connected with a rotating intermediary pipe (10) through a synchronous transmission belt (3044), the feeding mechanism (305) comprises a feeding servo motor (3051) vertically installed on the upper surface of the moving base (301) and a planetary reducer (3052) connected with the feeding servo motor (3051), a driving gear (3052) shifted along a linear track (8) is arranged at the bottom of the moving base (301), and the output end of the planetary reducer (3042) is connected with the driving gear (3052).
4. The punching, hole-pulling and mouth-flattening integrated machine for metal round pipes, as set forth in claim 1, is characterized in that: the lower extreme of centre gripping tool (4025) is equipped with and places connection cushion (11) in slide base (4023) top, the upper end center of centre gripping tool (4025) is equipped with zigzag pair groove (12) of interlock each other, and the upper end both sides of centre gripping tool (4025) are equipped with circular extrusion hole groove (13) and oval punching press hole groove (14) respectively, wear-resisting rubber pad (15) have all been laid to the internal surface of centre gripping tool (4025), the upper surface of slide base (4023) is equipped with four corners fence board (16), the lower surface of connection cushion (11) is equipped with interior heavy four corners recess (17) that correspond with four corners fence board (16).
5. The punching, hole-pulling and mouth-flattening integrated machine for metal round pipes, as set forth in claim 4, is characterized in that: the vertical punching unit (403) comprises a punching hydraulic cylinder (4031) with an action shaft penetrating through the upper end of the bridge-shaped plate frame (401), and two limiting guide posts (4032) symmetrical to the central axis of the punching hydraulic cylinder (4031), wherein the limiting guide posts (4032) are fixedly arranged at the upper end of the bridge-shaped plate frame (401), the lower ends of the two limiting guide posts (4032) are provided with an associated long plate (4033), the action rod of the punching hydraulic cylinder (4031) is fixedly arranged on the associated long plate (4033), and the lower surface of the associated long plate (4033) is provided with a punching needle fixing mechanism (18).
6. The punching, hole-pulling and mouth-flattening integrated machine for metal round pipes, as set forth in claim 5, is characterized in that: the punching needle fixing mechanism (18) comprises a cylindrical cover plate (1801) integrated with the lower surface of an associated long plate (4033), and a plurality of penetrating holes (1802) uniformly distributed on the side curved surface of the cylindrical cover plate (1801), a rotating screw (1803) is arranged along the axial center line of the cylindrical cover plate (1801), a screwing handle (1804) is arranged at the upper end of the rotating screw (1803) penetrating through the cylindrical cover plate (1801), the lower end of the rotating screw (1803) rotates around the lower plate of the cylindrical cover plate (1801), a curved-surface threaded base (1805) is sleeved outside the rotating screw (1803), a plurality of limiting long rods (1806) which are in one-to-one correspondence with the penetrating holes (1802) are hinged on the side curved surface of the curved-surface threaded base (1805), a position control clamping plate (1807) is further arranged at the corresponding position of the penetrating holes (1801) at the bottom of the cylindrical cover plate (1801), a translation track (8) matched with the position control clamping plate (1807) is further arranged at the bottom of the cylindrical cover plate (1801), and the upper end of the position control clamping plate (1807) is hinged with the limiting rods (1806).
7. The punching, hole-pulling and mouth-flattening integrated machine for metal round pipes, as set forth in claim 6, is characterized in that: the punching needle fixing mechanism (18) further comprises a hollow cylinder column (1809) sleeved on the outer surface of the cylinder cover plate (1801), a through hole (1802) for the position control clamping plate (1807) to move is formed in the side curved surface of the hollow cylinder column (1809), and a punching needle (19) is arranged in the center of the lower surface of the hollow cylinder column (1809).
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| CN201910233615.1A CN109759851B (en) | 2019-03-26 | 2019-03-26 | A metal round tube punching, drawing and flattening machine |
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| CN112846784A (en) * | 2020-12-28 | 2021-05-28 | 浙江盾安自控科技有限公司 | Automatic punching, hole pulling and flat head device for stainless steel pipe |
| CN112847049B (en) * | 2021-01-07 | 2022-08-09 | 泰州市津达电子科技有限公司 | Special water pipe production facility of washing machine |
| CN113059320A (en) * | 2021-03-26 | 2021-07-02 | 江苏帕卓管路系统股份有限公司 | Hole drawing process for thin-wall stainless steel hard tube assembly |
| CN114905281B (en) * | 2022-04-01 | 2023-08-15 | 佛山市顺德区锐科工控设备有限公司 | Profile deep processing and cutting integrated machine |
| CN117506457B (en) * | 2023-11-27 | 2024-05-28 | 唐山兴邦管道工程设备有限公司 | Pipe head treatment equipment for steam direct-buried pipeline |
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| CN209578800U (en) * | 2019-03-26 | 2019-11-05 | 张家港市奕之星机械制造有限公司 | Hole flat mouth all-in-one machine is pulled out in a kind of punching of metal circular tube |
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| JP3938281B2 (en) * | 2001-02-02 | 2007-06-27 | 三菱重工プラスチックテクノロジー株式会社 | Electric switchgear |
| KR100599527B1 (en) * | 2005-01-07 | 2006-07-13 | 두원동파이프공업 주식회사 | Branch boring machine |
| KR101483856B1 (en) * | 2013-05-10 | 2015-01-19 | (주)엔아이스틸 | Hybrid forming punching machine |
| CN105014389A (en) * | 2015-08-20 | 2015-11-04 | 浙江三瑞铜业有限公司 | Pipe fitting machining device |
| CN105798620B (en) * | 2016-04-15 | 2017-12-26 | 宁波金田铜管有限公司 | The automatic bend pipe automatic shaping and automatic port flattening device of copper pipe |
| CN105665522B (en) * | 2016-04-15 | 2017-11-28 | 王向阳 | A kind of punching and flanging machine |
| CN206567810U (en) * | 2017-03-15 | 2017-10-20 | 中山市恒驰森自动化设备有限公司 | Punching and drawing machine |
| CN107866674B (en) * | 2017-10-30 | 2024-02-23 | 浙江盛业科技有限公司 | Full-automatic annular workpiece punching and tapping combined device |
| CN208132395U (en) * | 2018-05-12 | 2018-11-23 | 佛山市顺德区丰隆制冷配件有限公司 | A kind of equipment for breeches pipe part flat mouth |
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| CN209578800U (en) * | 2019-03-26 | 2019-11-05 | 张家港市奕之星机械制造有限公司 | Hole flat mouth all-in-one machine is pulled out in a kind of punching of metal circular tube |
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Effective date of registration: 20240626 Address after: No. 22 Yingxin Road, Zhongshan Science and Technology Park, Jiangbei New District, Nanjing City, Jiangsu Province, 211899 Applicant after: JIANGSU DAOCHENG STAINLESS STEEL PIPE INDUSTRY CO.,LTD. Country or region after: China Address before: Building 4, Building 3, Jiangong Avenue, Nanfeng Village, Nanfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province, 215600 Applicant before: ZHANGJIAGANG YIZHIXING MACHINERY MANUFACTURING Co.,Ltd. Country or region before: China |
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Effective date of registration: 20251029 Address after: 225442 No. 31 Guochuan Road, Taixing Economic Development Zone, Taizhou City, Jiangsu Province Patentee after: Jiangsu Daocheng Pipe Technology Co.,Ltd. Country or region after: China Patentee after: JIANGSU DAOCHENG STAINLESS STEEL PIPE INDUSTRY CO.,LTD. Address before: No. 22 Yingxin Road, Zhongshan Science and Technology Park, Jiangbei New District, Nanjing City, Jiangsu Province, 211899 Patentee before: JIANGSU DAOCHENG STAINLESS STEEL PIPE INDUSTRY CO.,LTD. Country or region before: China |
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Denomination of invention: A punching and drawing machine with a flat mouth for metal tubes Granted publication date: 20240719 Pledgee: Bank of China Limited Nanjing Jiangbei New Area Branch Pledgor: JIANGSU DAOCHENG STAINLESS STEEL PIPE INDUSTRY CO.,LTD. Registration number: Y2026980012805 |