CN112476948A - Plastic ball valve production equipment and production method thereof - Google Patents

Abstract

The invention discloses plastic ball valve production equipment and a production method thereof, and the plastic ball valve production equipment comprises a feeding device, an injection molding device positioned on one side of the feeding device, a carrying device connected to the injection molding device and a discharging device positioned on the same side of the injection molding device as the feeding device, wherein the carrying device reciprocates among the feeding device, the injection molding device and the discharging device to carry materials and products. According to the automatic feeding device, the valve core and the sealing ring are accurately and automatically fed through the feeding device, the whole feeding process is orderly and fast, the feeding time is further shortened, and the feeding and production efficiency is improved.

Description

Plastic ball valve production equipment and production method thereof

Technical Field

The invention relates to the technical field of plastic ball valve production, in particular to plastic ball valve production equipment and a production method implemented by the plastic ball valve production equipment.

Background

The plastic ball valve has the main advantages of compact structure, reliable sealing performance, simple structure and convenient maintenance. At present, the production mode of the existing domestic plastic ball valve adopts the manual mode to bury the sealing ring and the valve core to the middle of the injection molding machine mould, and after the injection molding machine mould closing and injection molding, the product is manually taken out and the water gap is cut off, then the ball valve core is twisted for 4 circles, and is reversely twisted for 4 circles after 2 minutes, and finally the ball valve core is placed in the water tank for cooling by bubble water. This production process manual work volume is big, and the manual operation security is low to need many workers simultaneous workings, the cost of labor is higher, and the quality of the ball valve case that produces is unstable, can not obtain reliable guarantee, is difficult to satisfy customer's big batch demand.

Disclosure of Invention

The invention aims to provide plastic ball valve production equipment aiming at the problems.

The invention also aims to provide a production method implemented by the plastic ball valve production equipment aiming at the problems.

The technical scheme adopted by the invention for realizing the purpose is as follows:

the utility model provides a plastic ball valve production facility, includes feedway, is located the device of moulding plastics of this feedway one side, connects the handling device on this device of moulding plastics and lies in the unloader with this feedway with this same one side of moulding plastics, handling device reciprocating motion is in this feedway, the device of moulding plastics and unloader between in order to be used for carrying material and product.

Preferably, the feeding device comprises a valve core feeding assembly and a sealing ring feeding assembly arranged close to the valve core feeding assembly, the valve core feeding assembly comprises a first feeding disc for storing a valve core, a first feeding mechanism arranged close to a discharge port of the first feeding disc and a material ejecting mechanism arranged close to the tail end of the first feeding mechanism, and a movable door is arranged at the discharge port of the first feeding disc and used for controlling the valve core stored in the first feeding disc to fall into the first feeding mechanism;

the sealing ring feeding assembly comprises a second feeding mechanism and an arranging mechanism close to the tail end of the second feeding mechanism, the second feeding mechanism is located on one side of the material ejecting mechanism, and the arranging mechanism and the first feeding mechanism are arranged side by side.

Preferably, the injection molding device comprises a molding die and an injection molding unit communicated with the molding film, the injection molding unit is arranged on one side of the molding die, and the carrying device is connected above the molding die.

Preferably, the carrying device comprises an X-axis driving assembly connected to the injection molding device, a Y-axis driving assembly connected to the X-axis driving assembly, a Z-axis driving assembly connected to the Y-axis driving assembly and a material taking assembly connected to the Z-axis driving assembly, wherein a chamfering mechanism is arranged between the Z-axis driving assembly and the material taking assembly, and the material taking assembly comprises a mounting frame connected to the rotating end of the chamfering mechanism, and a material taking unit and a finished product taking unit which are arranged on the mounting frame in parallel.

Preferably, the material taking unit comprises a transverse moving mechanism arranged on the mounting frame, a rotating mechanism connected to the transverse moving mechanism, and a central column controlled to rotate by the rotating mechanism, wherein a clamping jaw cylinder is arranged on the front surface of the central column at intervals for clamping a valve core, and magnetic telescopic pieces are respectively arranged at two opposite ends of the central column at intervals for clamping a sealing ring.

Preferably, the finished product taking unit comprises a supporting plate connected to the mounting frame, a clamping cylinder fixed to the rear surface of the supporting plate and provided with cylinder shafts in opposite directions, and a positioning cylinder fixed to the front surface of the supporting plate according to a spacing distance, the cylinder shaft of the clamping cylinder is connected with a clamping block, first positioning columns are arranged on the supporting plate at intervals and used for fixing the positions of the plastic ball valves, the cylinder shaft of the positioning cylinder faces the first positioning columns, a positioning block is connected to the cylinder shaft of the positioning cylinder, and a clamping groove is formed in the positioning block facing one end of each positioning column.

Preferably, the blanking device comprises a product receiving assembly, a shearing water gap assembly and a valve core twisting assembly which are arranged on the machine platform in parallel, the machine platform is longitudinally provided with a blanking groove in a penetrating way, the product receiving assembly comprises a driving motor arranged on the machine platform, a first guide rail positioned on one side of the driving motor, a first sliding block connected on the first guide rail in a sliding way and a first moving plate connected on the first sliding block, the output shaft of the driving motor is connected with the first slide block through a belt wheel transmission mechanism, second positioning columns are arranged on the first moving plate at intervals, a clamping baffle is arranged on one side of the second positioning columns, a clamping groove is arranged on the clamping baffle corresponding to each second positioning column, the shearing water gap assembly is located between the discharging groove and the first guide rail, and the valve core twisting assembly is arranged close to one side of the clamping baffle of the first movable plate.

Preferably, the shearing nozzle assembly comprises a first shearing cylinder, a second shearing cylinder and a third shearing cylinder which are arranged in the machine table and have the same structure, a second moving plate connected to cylinder shafts of the second shearing cylinder and the third shearing cylinder, second guide rails respectively arranged at two opposite ends of the second moving plate, a second sliding block slidably connected to the second guide rails, a swing arm with one end fixed to the second sliding block and the other end hinged to the first shearing cylinder, and a cutter connected to the swing arm, the middle part of the second moving plate is provided with a first via hole, the second shearing cylinder and the third shearing cylinder are arranged side by side and are positioned at two opposite sides of the first via hole, the first shearing cylinder is connected to the second moving plate corresponding to the first via hole, and the swing arm penetrates through the first via hole from the upper surface of the second moving plate and is hinged to the first shearing cylinder.

Preferably, the case wrench movement subassembly is including locating wrench movement motor on the board, be located this wrench movement case of wrench movement motor one side, be close to from this wrench movement case the post of turning round that product receiving arrangement one end extends and locate this wrench movement case one side and keep away from this promotion cylinder of turning round, the activity of wrench movement case is located on this board, wrench movement motor with it is provided with gear drive mechanism to turn round between the post, and this gear drive mechanism is located the wrench movement incasement, it corresponds to turn round the setting of second reference column, the cylinder shaft of promotion cylinder is connected with this wrench movement case.

A method for producing a plastic ball valve comprises the following steps:

the feeding device provides a valve core and a sealing ring;

the conveying device conveys the valve core and the sealing ring into the injection molding device for injection molding;

the conveying device conveys the injection molded plastic ball valve and the water gap to a product receiving assembly of the blanking device;

cutting off the water gap by shearing the water gap assembly;

the valve core twisting component twists the plastic ball valve forward for 3 circles and then reversely for 3 circles;

the conveying device conveys the plastic ball valve into the discharging groove.

The invention has the beneficial effects that: according to the automatic feeding device, the valve core and the sealing ring are accurately and automatically fed through the feeding device, the whole feeding process is orderly and fast, the feeding time is further shortened, and the feeding and production efficiency is improved; the material and finished product conveying is realized through the conveying device, the conveying time of the material and finished product is shortened, the safety of the material and finished product is effectively protected, the collision or damage can not occur in the conveying process, the conveying device can carry according to a preset route and a set stroke, and the accuracy of material feeding to the injection molding device and the accuracy of product blanking positioning are greatly improved; through setting up unloader, can adopt to separate, collect plastic ball valve and mouth of a river automizedly to can also wrench movement to the plastic ball valve automatically, improve production efficiency, for traditional manual operation, greatly reduced cost of labor and manufacturing cost can satisfy customer's mass production demand.

The invention is further described with reference to the following figures and examples.

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 embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a material ejecting mechanism provided in the embodiment of the invention;

FIG. 3 is a schematic diagram of a seal ring supply assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram a of a take-off assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram B of a take-off assembly according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a blanking device provided in an embodiment of the present invention;

fig. 7 is a schematic structural view of a shear nozzle assembly provided in an embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the description of the present invention, it should be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.

Referring to fig. 1 to 7, an alternative embodiment of a plastic ball valve manufacturing apparatus includes a feeding device 1, an injection molding device 2 located at one side of the feeding device 1, a carrying device 3 connected to the injection molding device 2, and a discharging device 4 located at the same side of the injection molding device 2 as the feeding device 1, wherein the carrying device 3 reciprocates among the feeding device 1, the injection molding device 2, and the discharging device 4 for carrying materials and products.

Referring to fig. 1 to 7, in another alternative embodiment of a plastic ball valve manufacturing apparatus, the feeding device 1 includes a valve core feeding assembly 10 and a sealing ring feeding assembly 11 disposed adjacent to the valve core feeding assembly 10, the valve core feeding assembly 10 includes a first feeding tray 100 for storing a valve core, a first feeding mechanism 101 disposed adjacent to a discharge port of the first feeding tray 100, and a material ejecting mechanism 102 disposed adjacent to an end of the first feeding mechanism 101, a movable door is disposed at the discharge port of the first feeding tray 100 for controlling the valve core stored in the first feeding tray 100 to fall into the first feeding mechanism 101;

specifically, the first feeding mechanism 101 comprises a first vibrating disc and a first linear conveyor belt, the first vibrating disc is connected with one end of the first linear conveyor belt, and the other end of the first linear conveyor belt is connected with the material ejecting mechanism 102;

the material ejecting mechanism 102 comprises an ejecting frame 102a, a first ejecting cylinder 102b, a second ejecting cylinder 102c, an ejecting rod 102d, a third guide rail 102e, a third slider 102f and a fourth slider 102g, the ejecting frame 102a is longitudinally connected to the machine, the third guide rail 102e is longitudinally connected to the ejecting frame 102a, the third slider 102f and the fourth slider 102g are slidably connected to the third guide rail 102e, the third slider 102f is arranged below the fourth slider 102g, the first ejecting cylinder 102b is fixed on the third slider 102f, the cylinder axis of the first ejecting cylinder 102b is arranged towards the machine, the cylinder axis of the first ejecting cylinder 102b is connected to a horizontal base extending horizontally from the ejecting frame 102a, the second ejecting cylinder 102c is connected to the first ejecting cylinder 102b, the ejecting rod 102d is indirectly arranged on the fourth slider 102g through a first connecting piece, and the first connecting piece is used for conveniently connecting two objects, the ejection device is of a conventional mechanical structure, a hexagonal groove matched with a cylinder of the valve core is formed in the ejection rod 102d and used for fixing the valve core, a cylinder shaft of the second ejection cylinder 102c is arranged towards the first connecting piece, the cylinder shaft of the second ejection cylinder 102c is connected with the first connecting piece, two straight rods horizontally extend towards the first linear conveyor belt at the top of the ejection frame 102a, and the straight rods are spaced by a certain distance and used for supporting a ball body of the valve core. Because the appearance of the valve core is irregular, in the traditional processing and feeding process, manual feeding is mostly adopted. However, the material is carried by the carrying device 3, and if the valve core is not lifted, the carrying device 3 is difficult to clamp the valve core, so the material lifting mechanism 102 is arranged to facilitate the carrying device 3 to smoothly clamp or acquire the valve core, and the material lifting mechanism 102 only lifts one valve core each time, so that the situation of clamping a plurality of valve cores at a time does not exist, and the valve cores can be orderly clamped by the carrying device 3. In addition, the first material ejecting cylinder 102b and the second material ejecting cylinder 102c are arranged to be matched, so that the material ejecting process can be smoothly and smoothly completed. Meanwhile, a photoelectric sensor is arranged at the top of the ejector 102a to measure the number of the valve cores to be conveyed.

In addition, the dodge gate of first feed dish 100 opens and shuts through cylinder control, through adding first feed dish 100 to this storage capacity that increases the case can effectively avoid a lot of blowing to go into first vibration dish. Because the valve core comprises a spheroid and a cylinder, when putting into too many valve cores once in first vibration dish, can lead to the interact between valve core and the valve core, and then lead to the valve core to enter into first linear conveyor smoothly, influence the material loading, after setting up first feed dish 100, open through the time control dodge gate, and then the control valve core enters into the quantity of first vibration dish, is favorable to the feed of first vibration dish, keeps first vibration dish can carry the valve core smoothly.

When the feeding device is used, a valve core is manually poured into the first feeding disc 100, the movable door of the first feeding disc 100 is opened and closed for a period of time, so that the valve core in the first feeding disc 100 falls into the first vibrating disc and enters the material ejecting mechanism 102 through the first linear conveyor belt, and finally the valve core is jacked up by the material ejecting column.

The sealing ring feeding assembly 11 includes a second feeding mechanism 110 and an arranging mechanism 111 disposed near the end of the second feeding mechanism 110, the second feeding mechanism 110 is located on one side of the material ejecting mechanism 102, and the arranging mechanism 111 and the first feeding mechanism 101 are disposed side by side.

Specifically, the second feeding mechanism 110 and the first feeding mechanism 101 have the same structure and function, and therefore, the description thereof will not be repeated.

The arrangement mechanism 111 comprises a linear cylinder 111a and an arrangement seat 111b connected to the linear cylinder 111a, the arrangement seat 111b is provided with four discharging parts 111b1 at intervals, and each discharging part 111b1 is provided with a discharging groove 111b2 for placing a sealing ring and facilitating the taking of materials by the conveying device 3. In use, the second feeding mechanism 110 feeds out the sealing rings, when one sealing ring enters one discharge part 111b1, the linear cylinder 111a moves forward a certain distance to butt the adjacent discharge part 111b1 to the second feeding mechanism 110, and then the second sealing ring enters the discharge part 111b1 and continues feeding. By arranging the material placing parts 111b1, it is ensured that one sealing ring is placed in each material placing part 111b1, when each sealing ring is arranged in each of the four material placing parts 111b1, the conveying device 3 directly moves to the material placing parts 111b1 to take materials, then the four sealing rings are fed into the arranging mechanism 111 again, the material taking unit of the conveying device 3 rotates 180 degrees to take the four sealing rings for the second time, and when eight sealing rings are fully taken, the conveying device 3 can convey the materials into the injection molding device 2.

Referring to fig. 1 to 7, in another alternative embodiment of the plastic ball valve manufacturing apparatus, the injection device 2 includes a forming mold 20 and an injection unit 21 communicating with the forming mold, the injection unit 21 is disposed at one side of the forming mold 20, and the conveying device 3 is connected above the forming mold 20.

Specifically, the material is put into a forming die 20 through a carrying device 3, and the forming die 20 is matched and injection molded into a plastic ball valve; whole process all has automated mechanism to accomplish, and material loading and injection moulding all need not through artifical transport material on same production station, can directly put the material to moulded die 20 in by feedway 1 feed and by handling device 3 and carry out injection moulding, can effectively promote efficiency of taking effect.

Referring to fig. 1 to 7, in another alternative embodiment of the plastic ball valve production apparatus, the carrying device 3 includes an X-axis driving assembly connected to the injection molding device 2, a Y-axis driving assembly connected to the X-axis driving assembly, a Z-axis driving assembly connected to the Y-axis driving assembly, and a material taking assembly connected to the Z-axis driving assembly, a chamfering mechanism is disposed between the Z-axis driving assembly and the material taking assembly, and the material taking assembly includes a mounting bracket 31 connected to a rotation end of the chamfering mechanism 30, and a material taking unit 32 and a finished product taking unit 33 which are arranged on the mounting bracket 31 in parallel.

Specifically, the material taking assembly is driven to reciprocate by the X-axis driving assembly, the Y-axis driving assembly and the Z-axis driving assembly, so that the material feeding and taking processes can be stably and smoothly finished, and the X-axis driving assembly, the Y-axis driving assembly and the Z-axis driving assembly are common three-dimensional moving assemblies, most of which are composed of linear motors or lead screws, so that detailed description is omitted;

in addition, the material taking assembly integrates the material taking unit 32 and the finished product taking unit 33, the feeding and material taking processes can be completed through the integrated material taking assembly, the production cost of the device is effectively saved, the device structure is simplified, and the production efficiency of the plastic ball valve is further improved on the premise of ensuring the production cost.

Referring to fig. 1 to 7, in another alternative embodiment of the plastic ball valve manufacturing apparatus, the material taking unit 32 includes a traversing mechanism 320 disposed on the mounting frame 31, a rotating mechanism 321 connected to the traversing mechanism 320, and a central column 322 controlled by the rotating mechanism 321 to rotate, a clamping jaw cylinder 323 is disposed on a front surface of the central column 322 at intervals for clamping the valve core, and magnetic telescopic members 324 are respectively disposed at two opposite ends of the central column 322 at intervals for clamping the sealing ring.

Specifically, the traversing mechanism 320 comprises a traversing cylinder arranged on the mounting frame 31, a fourth guide rail arranged on the mounting frame 31, and a fifth slider slidably connected to the fourth guide rail, wherein a cylinder shaft of the traversing cylinder is connected with the fifth slider to drive the fifth slider to move on the fourth guide rail, so that the position of the material taking unit 32 is finely adjusted, and the material taking is more accurate;

the rotating mechanism 321 comprises a rotating motor, the upper end of the rotating motor is connected with a fifth slider located at the upper end, an output shaft of the rotating motor is connected with a central column 322, a bearing is indirectly arranged on the fifth slider located at the lower end, and the bottom of the central column 322 is arranged in the bearing in a penetrating manner. Through the arrangement of the rotating mechanism 321, the center column 322 is driven to rotate by 90 degrees or 180 degrees, the magnetic telescopic pieces 324 at the two opposite ends of the center column 322 can be used for taking out the sealing rings, and the clamping jaw air cylinder 323 on the front surface of the center column 322 can be used for taking out the valve core. Above-mentioned material gets material unit 32 compact structure, and powerful can accomplish the process of getting of each material in order, and the material can not receive the influence each other.

In addition, the number of the clamping jaw cylinders 323 is four, gaps among the four clamping jaw cylinders 323 and gaps of second positioning columns on the product receiving assembly are fixed, the gap distance is the same as the distance between cavity positions in the forming die 20, the material can be fixed in position from feeding to the forming die 20 every time, good precision is guaranteed, and product precision is guaranteed during discharging of formed products.

In addition, the magnetic telescopic piece comprises a shell, an elastic column movably connected in the shell, a magnetic ring embedded in the shell and a marble in an extension part of the elastic column, when the sealing ring is taken out, the elastic column penetrates through the sealing ring and just tightly clamps the inner ring of the sealing ring, the elastic column moves towards the material placing part of the arrangement mechanism under the driving of the transverse movement mechanism, the elastic column retracts into the shell, the elastic column is fixed in the shell through magnetic force matching between the marble and the magnetic ring, and the sealing ring is further fixed in the shell.

Referring to fig. 1 to 7, in another alternative embodiment of the plastic ball valve manufacturing apparatus, the finished product taking unit 33 includes a supporting plate 330 connected to the mounting frame 31, a clamping cylinder 331 fixed to a rear surface of the supporting plate 330 and having cylinder axes arranged opposite to each other, and a positioning cylinder 332 fixed to a front surface of the supporting plate 330 at intervals, wherein a clamping block 333 is connected to the cylinder axis of the clamping cylinder 331, first positioning posts 334 are arranged at intervals on the supporting plate 330 for fixing positions of the plastic ball valve, the cylinder axis of the positioning cylinder 332 is arranged toward the first positioning posts 334, a positioning block 335 is connected to the cylinder axis of the positioning cylinder 332, and a clamping groove is formed at one end of the positioning block 335 facing the positioning posts.

Specifically, the positions of the supporting plate 330 and the central column 322 are not on the same horizontal plane, so that the material taking unit 32 and the finished product taking unit 33 are independent from each other and cannot be affected.

The number of the clamping cylinders 331 is two for clamping the protruded nozzle posts, and the number of the positioning cylinders 332 is four for corresponding to four molded products.

Referring to fig. 1 to 7, in another alternative embodiment of the plastic ball valve manufacturing apparatus, the discharging device 4 includes a product receiving assembly 40, a shearing nozzle assembly 41, and a valve core twisting assembly 42, which are arranged in parallel on a machine platform, a discharging slot 43 is longitudinally arranged on the machine platform in a penetrating manner, the product receiving assembly 40 includes a driving motor 400 arranged on the machine platform, a first guide rail 401 located on one side of the driving motor 400, a first slider slidably connected to the first guide rail 401, and a first moving plate 402 connected to the first slider, an output shaft of the driving motor 400 is connected to the first slider through a pulley transmission mechanism, second positioning posts 403 are arranged on the first moving plate 402 at intervals, a clamping baffle 404 is arranged on one side of the second positioning posts 403, and a clamping groove is arranged on the clamping baffle corresponding to each second positioning post 403, the shearing nozzle assembly 41 is located between the blanking groove 43 and the first guide rail 401, and the valve core twisting assembly 42 is arranged close to one side of the blocking baffle of the first movable plate.

Specifically, the carrying device 3 carries the molded plastic ball valve to the first moving plate 402, and the second positioning column 403 positions the four molded products, at this time, the shearing nozzle assembly 41 cuts the nozzle, and the nozzle drops into the bidirectional conveyor belt through the discharging groove 43 and is collected in a centralized manner.

The number of the first moving plates 402 is two, the two first moving plates 402 are identical in structure, and two formed products can be stored simultaneously by arranging the two first moving plates 402, so that the waiting time of equipment is shortened, and the production efficiency is improved. The effect of screens baffle is the location shaping product.

In use, the conveying device 3 conveys the molded products to a first moving plate 402, and performs the process of cutting the nozzle, and then the conveying device 3 is transferred to the injection molding device 2 to take out the second set of molded products, and conveys the second set of molded products to another first moving plate 402, and waits for processing.

Referring to fig. 1 to 7, in another alternative embodiment of the plastic ball valve manufacturing apparatus, the shearing nozzle assembly 41 includes a first shearing cylinder 410, a second shearing cylinder 411 and a third shearing cylinder 412 which are arranged in the machine table, a second moving plate 413 connected to cylinder shafts of the second shearing cylinder 411 and the third shearing cylinder 412, second guide rails respectively arranged at two opposite ends of the second moving plate 413, a second slider slidably connected to the second guide rails, a swing arm having one end fixed to the second slider and the other end hinged to the first shearing cylinder 410, and a cutter 415 connected to the swing arm 414, wherein a first through hole is arranged in the middle of the second moving plate 413, the second shearing cylinder 411 and the third shearing cylinder 412 are arranged side by side and located at two opposite sides of the first through hole, the first shearing cylinder 410 is connected to the second moving plate 413 corresponding to the first through hole, the swing arm 414 is hinged to the first shearing cylinder 410 through the first through hole from the upper surface of the second moving plate 413.

Specifically, when the device is used, the second shearing cylinder 411 and the third shearing cylinder 412 drive the second moving plate 413 to move upwards, so that the swing arm 414 on the second slider moves upwards to a position above the water gap, the first shearing cylinder 410 drives the cylinder shaft to move downwards, the swing arms 414 at two opposite ends of the second moving plate 413 are pulled down by the cylinder shaft of the first shearing cylinder 410, the second slider is driven to approach towards the direction of the first shearing cylinder 410, the cutter 415 at the tail end of the swing arm 414 is further pulled, and the cutter 415 cuts the water gap;

in addition, the swing arm 414 is connected with the cutter 415 through a connecting arm, a roller is arranged on the connecting arm, and the roller is matched with a limiting groove on a stroke limiting plate 416 on the machine body, so that the connecting arm moves on a limiting position.

Referring to fig. 1 to 7, in another optional embodiment of the plastic ball valve manufacturing apparatus, the valve core twisting assembly 42 includes a twisting motor 420 disposed on the machine platform, a twisting box 421 located on one side of the twisting motor 420, a twisting post 422 extending from one end of the twisting box 421 close to the product receiving device, and a pushing cylinder 423 disposed on one side of the twisting box 421 and far away from the twisting post, the twisting box 421 is movably disposed on the machine platform, a gear transmission mechanism is disposed between the twisting motor 420 and the twisting post 422, the gear transmission mechanism is located in the twisting box 421, the twisting is disposed corresponding to the second positioning post 403, and a cylinder shaft of the pushing cylinder 423 is connected to the twisting box 421.

Concretely, turn round post 422 through turning round motor 420 control, and then drive the case and rotate in the ball valve, and then make the case and the ball valve between the adhesion disconnection that produces because of moulding plastics, make the case function smoothly, through forward rotation case, then reverse rotation case, and then increase the smoothness nature of case in the ball valve, make the function of ball valve obtain the guarantee. In addition, a fixed cylinder is disposed below the first moving plate 402 corresponding to the valve core twisting assembly 42 and the shearing nozzle assembly 41, a cylinder axis of the fixed cylinder is disposed toward the first moving plate 402, and a fixed block is connected to the cylinder axis of the fixed cylinder, so that when the valve core twisting assembly 42 rotates the valve core, the first moving plate 402 is fixed, and the first moving plate 402 cannot easily move.

A method for producing a plastic ball valve comprises the following steps:

the feeding device 1 provides a valve core and a sealing ring;

the conveying device 3 conveys the valve core and the sealing ring to the injection molding device 2 for injection molding;

the conveying device 3 conveys the injection molded plastic ball valve and the water gap to a product receiving assembly 40 of the blanking device 4;

cutting the nozzle assembly 41 to cut off the nozzle;

the valve core twisting component 42 twists the plastic ball valve for 3 circles in the forward direction and then twists for 3 circles in the reverse direction;

the conveying device 3 feeds the plastic ball valve into the discharging chute 43.

According to the automatic feeding device, the valve core and the sealing ring are accurately and automatically fed through the feeding device 1, the whole feeding process is orderly and fast, the feeding time is further shortened, and the feeding and production efficiency is improved; the material and finished product carrying is realized through the carrying device 3, the carrying time of the material and finished product is shortened, the safety of the material and finished product is effectively protected, the collision or damage can not occur in the carrying process, the carrying device 3 can carry according to a preset route and a set stroke, and the accuracy of material feeding to the injection molding device 2 and the accuracy of product blanking positioning are greatly improved; through setting up unloader 4, can adopt to separate, collect plastic ball valve and mouth of a river automizedly to can also wrench movement to the plastic ball valve automatically, improve production efficiency, for traditional manual operation, greatly reduced cost of labor and manufacturing cost can satisfy customer's mass production demand.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Those skilled in the art can make numerous possible variations and modifications to the present teachings, or modify equivalent embodiments to equivalent variations, without departing from the scope of the present teachings, using the methods and techniques disclosed above. Therefore, all equivalent changes made according to the shape, structure and principle of the present invention without departing from the technical scheme of the present invention shall be covered by the protection scope of the present invention.

Claims (10)

1. The utility model provides a plastic ball valve production facility which characterized in that, includes feedway, is located the device of moulding plastics of this feedway one side, connects the handling device on this device of moulding plastics and lies in the unloader with this feedway with this device of moulding plastics same one side, handling device reciprocating motion is in this feedway, the device of moulding plastics and unloader between in order to be used for carrying material and product.

2. The plastic ball valve production equipment according to claim 1, wherein the feeding device comprises a valve core feeding assembly and a sealing ring feeding assembly arranged close to the valve core feeding assembly, the valve core feeding assembly comprises a first feeding disc for storing a valve core, a first feeding mechanism arranged close to a discharge port of the first feeding disc, and a material ejecting mechanism arranged close to the tail end of the first feeding mechanism, and a movable door is arranged at the discharge port of the first feeding disc and used for controlling the valve core stored in the first feeding disc to fall into the first feeding mechanism;

the sealing ring feeding assembly comprises a second feeding mechanism and an arranging mechanism close to the tail end of the second feeding mechanism, the second feeding mechanism is located on one side of the material ejecting mechanism, and the arranging mechanism and the first feeding mechanism are arranged side by side.

3. The apparatus for manufacturing a plastic ball valve according to claim 1, wherein the injection molding device comprises a molding die and an injection molding unit in communication with the molding die, the injection molding unit is disposed at one side of the molding die, and the carrying device is connected above the molding die.

4. The plastic ball valve production equipment according to claim 1, wherein the carrying device comprises an X-axis driving assembly connected to the injection molding device, a Y-axis driving assembly connected to the X-axis driving assembly, a Z-axis driving assembly connected to the Y-axis driving assembly, and a material taking assembly connected to the Z-axis driving assembly, a chamfering mechanism is arranged between the Z-axis driving assembly and the material taking assembly, and the material taking assembly comprises a mounting frame connected to a rotating end of the chamfering mechanism, and a material taking unit and a finished product taking unit which are arranged on the mounting frame in parallel.

5. The plastic ball valve production equipment according to claim 4, wherein the material taking unit comprises a traversing mechanism arranged on the mounting frame, a rotating mechanism connected to the traversing mechanism, and a central column controlled by the rotating mechanism to rotate, wherein a clamping jaw cylinder is arranged on the front surface of the central column at intervals for clamping a valve core, and magnetic telescopic pieces are respectively arranged at two opposite ends of the central column at intervals for clamping a sealing ring.

6. The plastic ball valve production equipment according to claim 4, wherein the finished product taking unit comprises a support plate connected to the mounting frame, a clamping cylinder fixed to a rear surface of the support plate and having cylinder shafts arranged in opposite directions, and a positioning cylinder fixed to a front surface of the support plate at intervals, wherein a clamping block is connected to the cylinder shaft of the clamping cylinder, first positioning posts are arranged at intervals on the support plate and used for fixing the position of the plastic ball valve, the cylinder shafts of the positioning cylinders are arranged towards the first positioning posts, positioning blocks are connected to the cylinder shafts of the positioning cylinders, and clamping grooves are formed in one ends of the positioning blocks, which face the positioning posts.

7. The plastic ball valve production equipment according to claim 1, wherein the discharging device comprises a product receiving assembly, a shearing nozzle assembly and a valve core twisting assembly which are arranged on a machine platform in parallel, a discharging groove is longitudinally arranged on the machine platform in a penetrating manner, the product receiving assembly comprises a driving motor arranged on the machine platform, a first guide rail positioned on one side of the driving motor, a first slide block slidably connected to the first guide rail, and a first moving plate connected to the first slide block, an output shaft of the driving motor is connected with the first slide block through a belt wheel transmission mechanism, second positioning columns are arranged on the first moving plate at intervals, a clamping baffle is arranged on one side of each second positioning column, a clamping groove is arranged on each clamping baffle corresponding to each second positioning column, and the shearing nozzle assembly is positioned between the discharging groove and the first guide rail, the valve core twisting component is arranged close to one side of the clamping baffle of the first movable plate.

8. The plastic ball valve production equipment according to claim 7, wherein the shearing nozzle assembly comprises a first shearing cylinder, a second shearing cylinder and a third shearing cylinder which are arranged in the machine table and have the same structure, a second moving plate connected to cylinder shafts of the second shearing cylinder and the third shearing cylinder, second guide rails respectively arranged at two opposite ends of the second moving plate, a second slider slidably connected to the second guide rails, a swing arm with one end fixed to the second slider and the other end hinged to the first shearing cylinder, and a cutter connected to the swing arm, wherein a first via hole is formed in the middle of the second moving plate, the second shearing cylinder and the third shearing cylinder are arranged side by side and located at two opposite sides of the first via hole, the first shearing cylinder is connected to the second via hole corresponding to the first via hole, the swing arm passes through the first via hole by the second movable plate upper surface and is articulated with this first shearing cylinder.

9. The apparatus of claim 7, wherein the valve core twisting assembly comprises a twisting motor disposed on the machine platform, a twisting box disposed on one side of the twisting motor, a twisting post extending from one end of the twisting box near the product receiving device, and a pushing cylinder disposed on one side of the twisting box and away from the twisting, the twisting box is movably disposed on the machine platform, a gear transmission mechanism is disposed between the twisting motor and the twisting post, the gear transmission mechanism is disposed in the twisting box, the twisting is disposed corresponding to the second positioning post, and a cylinder shaft of the pushing cylinder is connected to the twisting box.

10. A method for producing a plastic ball valve is characterized by comprising the following steps:

the feeding device provides a valve core and a sealing ring;

the conveying device conveys the valve core and the sealing ring into the injection molding device for injection molding;

the conveying device conveys the injection molded plastic ball valve and the water gap to a product receiving assembly of the blanking device;

cutting off the water gap by shearing the water gap assembly;

the valve core twisting component twists the plastic ball valve forward for 3 circles and then reversely for 3 circles;

the conveying device conveys the plastic ball valve into the discharging groove.

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