An adjustable vertical injection molding machine
By designing adjustable vertical mold locking components and drive components in the injection molding machine, the cumbersome problem of the mold replacement process of injection molding machinery is solved, and the rapid mold locking and mold opening of the mold is achieved, and the production efficiency and automation are improved.
Patent Information
- Application Number
- CN202510015040.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-04-08
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing injection molding machinery is time-consuming and time-consuming during mold replacement, affecting production efficiency and delivery cycle, and the adaptability and application range of mold replacement trolleys are limited.
An adjustable vertical injection molding machine is designed, using the cooperation of a vertical mold locking assembly and the mold body to realize the mold locking and opening of the mold through the telescopic rod of the mold locking oil cylinder, and the rapid mold change and continuous supply of molten plastic are achieved through the driving assembly and the horizontal injection assembly.
It realizes rapid mold locking and opening of the mold during the injection molding process, and coordinates the ejection and discharge of the injection molded finished product, reducing production costs, improving continuous operation efficiency, and improving the automation degree of the mold change device and the integration of the process.
Smart Images

Figure CN119773158A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of injection molding machines, in particular to an adjustable vertical injection molding machine. Background Art
[0002] Mold replacement is one of the routine processes of injection molding machinery in the production process. Due to the variety of product types and production batches produced by injection molding machinery, production molds need to be replaced frequently to achieve injection molding production of different products or different parts in the same product.
[0003] However, conventional mold replacement generally adopts the method of crane hoisting, which is cumbersome and time-consuming, and has a great impact on the company's production efficiency and delivery cycle. In serious cases, it will directly lead to overdue customer orders and cause economic losses to the company. At present, there are mold changing trolleys on the market for mold changing of injection molding machinery, but this type of mold changing trolley also has some requirements for injection molding machinery, including standardization of mold bottom plates, injection molding machinery spacing to meet the mold changing trolley operating space, etc. Track-type mold changing trolleys also require bottom track burying projects, and their adaptability and application range are not high.
[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and an adjustable vertical injection molding machine is proposed. Summary of the invention
[0005] The object of the present invention is to provide an adjustable vertical injection molding machine to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an adjustable vertical injection molding machine, comprising a workbench and a vertical clamping assembly, a bracket is fixed on the side of the workbench, and two guide rods are fixed on the bottom of the end of the bracket, the vertical clamping assembly is arranged in the inner recess of the bracket, the vertical clamping assembly comprises a cylinder mounting plate, a rotating pin, a swing arm, a cross bar, a guide sleeve, an electromagnetic top seat, a clamping cylinder, a telescopic rod, a toggle and an insertion rod, a rotating pin is fixedly installed on the side end of the cylinder mounting plate, and the rotating pin is rotatably connected to the swing arm, and the swing arm is away from the rotating pin. The ends are connected with the cross bar, and guide sleeves are fixedly installed at both ends of the outer side of the cross bar, and the guide sleeves are slidably matched with the guide rod, and electromagnetic top seats are fixedly installed at both ends of the inner side of the cross bar, and the electromagnetic top seats can generate magnetism when powered on, and the rear end bolts of the cylinder mounting plate are fixed with a locking cylinder, and the output end of the locking cylinder is fixedly connected with a telescopic rod, one side of the output end of the telescopic rod is rotatably connected with a toggle, and the toggle is rotatably connected with the notch of the "V"-shaped structure of the swing arm, the other side of the output end of the telescopic rod is fixedly connected with an insertion rod, and the top of the insertion rod is provided with a slope surface which is lower in front and higher in the back.
[0007] Furthermore, a slewing bearing is provided in the middle of the workbench, and the slewing bearing is fixed to the workbench through bottom legs, and a driving assembly is fixedly installed on the top of the workbench, and the driving assembly includes a body, a lower recess, a rotating motor, a driving cone wheel and a driven umbrella wheel, the body is arranged at a position close to the inner wall of the middle hole of the slewing bearing, and a lower recess is provided at the bottom of the body, a rotating motor is fixedly installed at the open end of the lower recess, and the output end of the rotating motor is fixedly connected to the driving cone wheel, and the driving cone wheel is meshed with the outer edge gear teeth of the driven umbrella wheel for transmission.
[0008] Furthermore, the driving assembly also includes a transmission gear and an upper recess, the top of the driven bevel wheel is coaxially driven with the transmission gear, and the transmission gear is rotatably installed inside the upper recess set on the top of the body.
[0009] Furthermore, an inner gear ring is rotatably installed inside the slewing bearing, and the bottom tooth shape of the inner wall of the hole in the inner gear ring is meshed with the transmission gear for transmission, a connecting rod is fixed to the top array of the inner wall of the hole in the inner gear ring, and the connecting rod is fixed to the cam at the intersection away from the inner wall of the hole in the inner gear ring, and a through hole is opened through the middle of the cam.
[0010] Furthermore, a mold body is fixed in an array on the inner gear ring disk surface, and the number of arrays of the mold body corresponds to the number of flanges of the cam. The mold body includes an electromagnetic base, a lower mold and a mold core. The electromagnetic base is fixed to the inner gear ring disk surface by bolts, and the lower mold is magnetically fixed to the top of the electromagnetic base, and an inwardly recessed mold core is provided in the middle of the top of the lower mold.
[0011] Furthermore, the mold body also includes a slot and an ejector pin. The slot is arranged parallel to the bottom end of the mold core, and the slot is connected to the bottom plane of the mold core through the ejector pin. The roller at the bottom of the ejector pin abuts against the slope of the top end of the insertion rod.
[0012] Furthermore, the mold body also includes an upper mold and a nozzle. The upper mold is buckled on the top of the lower mold, and the upper mold is magnetically fixed to the electromagnetic top seat, and a nozzle connected to the hot runner is provided on the side of the upper mold.
[0013] Furthermore, a horizontal injection assembly is arranged inside the middle hole of the slewing bearing, and the horizontal injection assembly includes a base, a fixing rod and a groove. A fixing rod is fixedly installed on the bottom end of the base, and the fixing rod passes through the middle hole of the cam and is fixed to the workbench. A groove is opened at the bottom of the front end of the base.
[0014] Furthermore, the horizontal injection assembly also includes a sliding rod, a reset spring, an injection seat and a trigger rod. The sliding rods are fixedly installed on both sides of the base, and the reset springs are sleeved on the front end of the sliding rods. The injection seats are slidably installed inside the sliding rods on both sides, and the trigger rod is fixedly connected to the bottom of the front end of the injection seat, and the trigger rod always maintains contact with the outer edge of the cam under the action of the reset spring elastic force.
[0015] Furthermore, the horizontal injection assembly also includes a barrel, an injection screw, a nozzle and an injection motor. The top of the injection seat is connected to the barrel, and the front end of the injection seat is connected to the injection screw. The end of the injection screw is connected to the nozzle, and the nozzle is connected to the nozzle on the side of the upper mold. The injection motor is fixed by bolts at the rear end of the injection seat, and the output end of the injection motor is rotated by the injection screw.
[0016] The present invention provides an adjustable vertical injection molding machine, which has the following beneficial effects:
[0017] 1. During the use of the present invention, when the mold body to be used is located at the processing station where the vertical clamping assembly is located, the clamping cylinder pulls the toggle backwards through the telescopic rod, so that the electromagnetic top seat is buckled on the upper mold and fixed by electromagnetic suction, and then the clamping cylinder pushes the toggle forward through the telescopic rod, and further enables the electromagnetic top seat to separate the upper mold fixed with it by magnetic suction from the lower mold. During this process, the insertion rod at the bottom of the end of the telescopic rod is inserted into a slot parallel to the mold core at the top of the lower mold, and then the top slope of the insertion rod is abutted with the ejector in the slot, so that the ejector protrudes from the bottom of the mold core, and the molded injection molded product is ejected. The present application not only realizes the clamping of the mold body during the injection molding process through the cooperation of the vertical clamping assembly and the mold body, but also can realize the ejection and unloading of the injection molded product in linkage after the mold is opened. The whole process can be completed in linkage with only one clamping cylinder design, which effectively reduces the production cost and improves the continuous operation efficiency.
[0018] 2. During the use of the present invention, due to the structural setting in which the number of arrays of the mold body of the present application corresponds to the number of flanges of the cam, when the mold body to be used is rotated and transported to the processing station where the vertical clamping assembly is located, the flange of the cam squeezes the trigger rod extending from the bottom end of the injection seat, thereby causing the injection seat to overcome the elastic force of the return spring and slide on the sliding rods on both sides, and causing the nozzle at the end of the injection screw to be inserted into the nozzle on the side of the upper mold that is connected to the hot runner, so that after the plastic particles injected from the barrel are hot-melted in the injection seat, after the injection motor drives the rotation of the injection screw, the molten plastic is injected into the hot runner in the upper mold through the nozzle, and further cooperates with the mold core at the top of the lower mold to complete the injection molding of the product. The present application can not only realize the rapid mold change of the mold body by driving the intermittent rotation of the lower inner gear ring driven by the drive assembly, but also enable the horizontal injection assembly to cooperate with the conveying stroke of the mold body to realize the intermittent clutch of the nozzle and the nozzle on the side of the upper mold, so that the rapid mold change of the mold body and the continuous supply of molten plastic can be realized without manual intervention, thereby improving the automation degree and process integration degree of the mold changing device of the present application. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall structure of the device of the present invention;
[0020] Figure 2 It is a schematic diagram of the explosion structure of the device of the present invention;
[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the device of the present invention;
[0022] Figure 4 This is a schematic diagram of the structure of the drive assembly of the present invention;
[0023] Figure 5 It is a schematic diagram of the structure of the horizontal injection assembly of the present invention;
[0024] Figure 6 This is a schematic diagram of the mold body structure of the present invention;
[0025] Figure 7 This is a schematic diagram of the support structure of the present invention;
[0026] Figure 8 It is a schematic diagram of the structure of the vertical clamping assembly of the present invention.
[0027] In the figure: 1, workbench; 2, bracket; 3, guide rod; 4, vertical clamping assembly; 401, cylinder mounting plate; 402, rotating pin; 403, swing arm; 404, cross bar; 405, guide sleeve; 406, electromagnetic top seat; 407, clamping cylinder; 408, telescopic rod; 409, elbow joint; 410, plug rod; 5, slewing bearing; 6, support foot; 7, driving assembly; 701, machine body; 702, lower notch; 703, rotating motor; 704, driving cone wheel; 705, driven umbrella wheel; 706, transmission gear; 707, upper notch; 8, inner gear ring ; 9. Connecting rod; 10. Cam; 11. Through hole; 12. Mold body; 1201. Electromagnetic base; 1202. Lower mold; 1203. Mold core; 1204. Slot; 1205. Ejector; 1206. Upper mold; 1207. Nozzle; 13. Horizontal injection assembly; 1301. Base; 1302. Fixed rod; 1303. Slot; 1304. Sliding rod; 1305. Return spring; 1306. Injection seat; 1307. Trigger rod; 1308. Barrel; 1309. Injection screw; 1310. Nozzle; 1311. Injection motor. DETAILED DESCRIPTION
[0028] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following embodiments are used to illustrate the present invention but are not intended to limit the scope of the present invention.
[0029] See also Figures 1 to 8The present invention provides a technical solution: an adjustable vertical injection molding machine, comprising a workbench 1 and a vertical clamping assembly 4, a bracket 2 is fixed to the side of the workbench 1, and two guide rods 3 are fixed to the bottom of the end of the bracket 2, the vertical clamping assembly 4 is arranged in the inner recess of the bracket 2, and the vertical clamping assembly 4 comprises a cylinder mounting plate 401, a rotating pin 402, a swing arm 403, a cross bar 404, a guide sleeve 405, an electromagnetic top seat 406, a clamping cylinder 407, a telescopic rod 408, a toggle 409 and an insertion rod 410, a rotating pin 402 is fixedly installed on the side end of the cylinder mounting plate 401, and the rotating pin 402 is rotatably connected to the swing arm 403, and the end of the swing arm 403 away from the rotating pin 402 is connected to the cross bar 404 is connected, and guide sleeves 405 are fixedly installed at both ends of the outer side of the cross bar 404, and the guide sleeve 405 is slidably matched with the guide rod 3, and electromagnetic top seats 406 are fixedly installed at both ends of the inner side of the cross bar 404, and the electromagnetic top seats 406 can generate magnetism when powered on, and the rear end of the cylinder mounting plate 401 is bolted with a clamping cylinder 407, and the output end of the clamping cylinder 407 is fixedly connected with a telescopic rod 408, one side of the output end of the telescopic rod 408 is rotatably connected with a toggle 409, and the toggle 409 is rotatably connected with the notch of the "V"-shaped structure of the swing arm 403, and the other side of the output end of the telescopic rod 408 is fixedly connected with an insertion rod 410, and the top of the insertion rod 410 is provided with a slope surface with a lower front and a higher rear;
[0030] The specific operation is as follows. When the mold body 12 to be used is located at the processing station where the vertical clamping assembly 4 is located, the clamping cylinder 407 pulls the toggle 409 backwards through the telescopic rod 408, and further drives the guide sleeves 405 at both ends of the outer side of the cross bar 404 to slide down in the guide rod 3 through the downward descent of the swing arm 403, and the electromagnetic top seat 406 fixedly connected at both ends of the inner side of the cross bar 404 is buckled on the upper mold 1206 and fixed by electromagnetic suction, and then the molten plastic is injected into the hot runner in the upper mold 1206 through the nozzle 1207, and further cooperates with the mold core 1203 at the top of the lower mold 1202 to complete the injection molding of the product, and then the clamping cylinder 407 pushes the toggle 409 forwards through the telescopic rod 408, and further drives the guide sleeves 405 at both ends of the outer side of the cross bar 404 to slide down in the guide rod 3 through the upward lifting of the swing arm 403. The inner sliding rises, so that the electromagnetic ejector 406 completes the separation from the lower mold 1202 with the upper mold 1206 fixed thereto by magnetic attraction. During this process, the insert rod 410 at the bottom of the end of the telescopic rod 408 is inserted into the slot 1204 parallel to the top mold core 1203 of the lower mold 1202, and then the top slope of the insert rod 410 is abutted against the ejector pin 1205 in the slot 1204, so that the ejector pin 1205 protrudes from the bottom end of the mold core 1203, and the molded injection molded product is ejected. The present application not only realizes the locking of the mold body 12 during the injection molding process through the cooperation of the vertical clamping assembly 4 and the mold body 12, but also can realize the ejection and unloading of the injection molded product in linkage after the mold is opened. The whole process can be completed in linkage with only the design of a clamping cylinder 407, which effectively reduces the production cost and improves the continuous operation efficiency.
[0031] See also Figures 1 to 6A slewing bearing 5 is provided in the middle of the workbench 1, and the slewing bearing 5 is fixed to the workbench 1 through the bottom support legs 6. A driving assembly 7 is fixedly installed on the top of the workbench 1. The driving assembly 7 includes a body 701, a lower recess 702, a rotating motor 703, a driving cone wheel 704 and a driven bevel wheel 705. The body 701 is arranged at a position close to the inner wall of the middle hole of the slewing bearing 5, and a lower recess 702 is provided at the bottom of the body 701. A rotating motor 703 is fixedly installed at the open end of the lower recess 702, and the output end of the rotating motor 703 is fixedly connected to the driving cone wheel 704, and the driving cone wheel 704 is meshed with the outer edge gear teeth of the driven bevel wheel 705 for transmission, the driving assembly 7 also includes a transmission gear 706 and an upper notch 707, the top of the driven bevel wheel 705 is coaxially driven with the transmission gear 706, and the transmission gear 706 is rotatably installed inside the upper notch 707 set on the top of the body 701, an inner gear ring 8 is rotatably installed inside the slewing bearing 5, and the bottom end tooth shape of the inner wall of the hole in the inner gear ring 8 is meshed with the transmission gear 706 for transmission, and a connecting rod 9 is fixed to the top array of the inner wall of the hole in the inner gear ring 8, and the connecting rod 9 is away from the hole in the inner gear ring 8 The intersection of the inner wall is fixed with the cam 10, and a through hole 11 is provided in the middle of the cam 10. A mold body 12 is fixed in an array on the disk surface of the inner gear ring 8, and the number of arrays of the mold body 12 corresponds to the number of flanges of the cam 10. The mold body 12 includes an electromagnetic base 1201, a lower mold 1202 and a mold core 1203. The electromagnetic base 1201 is fixed with bolts on the disk surface of the inner gear ring 8, and the lower mold 1202 is fixed with magnetic attraction on the top of the electromagnetic base 1201, and a mold core 1203 is provided in the middle of the top of the lower mold 1202. The mold body 1 2 also includes a slot 1204 and an ejector pin 1205, the bottom end of the mold core 1203 is parallelly provided with the slot 1204, and the slot 1204 is connected to the bottom plane of the mold core 1203 through the ejector pin 1205, and the bottom roller of the ejector pin 1205 is abutted with the top slope of the insertion rod 410, the mold body 12 also includes an upper mold 1206 and a nozzle 1207, the top of the lower mold 1202 is buckled with the upper mold 1206, and the upper mold 1206 is fixed by magnetic attraction to the electromagnetic ejector 406, and the side of the upper mold 1206 is provided with a nozzle 1207 connected to the hot runner;
[0032] The specific operation is as follows: a number of injection molds to be used are placed on the electromagnetic base 1201 provided with the disk array of the inner gear ring 8 and fixed by electromagnetic suction, the rotary motor 703 is activated and the transmission gear 706 is rotated through the meshing of the driving cone wheel 704 and the driven bevel wheel 705, and the inner gear ring 8 is further driven to rotate intermittently through the meshing of the outer edge gear teeth of the transmission gear 706 and the tooth shape at the bottom end of the inner wall of the hole in the inner gear ring 8, and the mold body 12 currently required to be used is rotated and transported to the processing station where the vertical clamping assembly 4 is located, during which the top end of the inner wall of the hole in the inner gear ring 8 is fixedly connected by the connecting rod 9 and the cam 10 rotates synchronously, and the fixing rod 1302 at the bottom end of the horizontal injection assembly 13 passes through the middle through hole 11 of the cam 10 and is fixed to the workbench 1, so that it is independent of the rotational movement of the inner gear ring 8 and always remains fixed;
[0033] See also Figures 3 to 5 A horizontal injection assembly 13 is arranged inside the hole of the slewing bearing 5, and the horizontal injection assembly 13 includes a base 1301, a fixed rod 1302 and a groove 1303. The bottom end of the base 1301 is fixedly installed with a fixed rod 1302, and the fixed rod 1302 passes through the middle hole 11 of the cam 10 and is fixed to the workbench 1. A groove 1303 is opened at the bottom of the front end of the base 1301. The horizontal injection assembly 13 also includes a slide bar 1304, a return spring 1305, an injection seat 1306 and a trigger rod 1307. Slide bars 1304 are fixedly installed on both sides of the base 1301, and the front end of the slide bar 1304 is sleeved with a return spring 1305. Injection seats 1306 are slidably installed inside the slide bars 1304 on both sides, and the injection seat 1 A trigger rod 1307 is fixedly connected to the bottom of the front end of 306, and the trigger rod 1307 always keeps in contact with the outer edge of the cam 10 under the elastic force of the return spring 1305. The horizontal injection assembly 13 also includes a barrel 1308, an injection screw 1309, a nozzle 1310 and an injection motor 1311. The top of the injection seat 1306 is connected to the barrel 1308, and the front end of the injection seat 1306 is connected to the injection screw 1309, and the end of the injection screw 1309 is connected to the nozzle 1310, and the nozzle 1310 is connected to the nozzle 1207 on the side of the upper mold 1206. The injection motor 1311 is bolted to the rear end of the injection seat 1306, and the output end of the injection motor 1311 is rotated and driven with the injection screw 1309;
[0034] The specific operation is as follows: due to the structural setting that the number of arrays of the mold body 12 of the present application corresponds to the number of flanges of the cam 10, when the mold body 12 to be used is rotated and transported to the processing station where the vertical clamping assembly 4 is located, the flange of the cam 10 squeezes the trigger rod 1307 extending from the bottom end of the injection seat 1306, thereby causing the injection seat 1306 to overcome the elastic force of the return spring 1305 and slide on the sliding rods 1304 on both sides, and causing the nozzle 1310 at the end of the injection screw 1309 to be inserted into the nozzle 1207 on the side of the upper mold 1206 that is connected to the hot runner, so that the plastic particles injected by the barrel 1308 are hot-melted in the injection seat 1306, and then the injection motor 1306 is used to inject the plastic particles. After the injection screw 1309 is rotated and driven by 311, the molten plastic is injected into the hot runner in the upper mold 1206 through the nozzle 1207, and further cooperates with the mold core 1203 at the top of the lower mold 1202 to complete the injection molding of the product. The present application can not only realize the rapid mold change of the mold body 12 by driving the intermittent rotation of the lower inner gear ring 8 by the driving component 7, but also enable the horizontal injection component 13 to cooperate with the conveying stroke of the mold body 12 to realize the intermittent clutch of the nozzle 1310 and the side nozzle 1207 of the upper mold 1206, so that the rapid mold change of the mold body 12 and the continuous supply of molten plastic can be realized without manual intervention, thereby improving the degree of automation and process integration of the mold changing device of the present application.
[0035] In summary, when using the adjustable vertical injection molding machine, several injection molds to be used are placed on the electromagnetic base 1201 set in the disk array of the inner gear ring 8 and fixed by electromagnetic suction, the rotary motor 703 is enabled and the transmission gear 706 is rotated through the meshing of the driving cone wheel 704 and the driven bevel wheel 705, and the inner gear ring 8 is further driven to rotate intermittently through the meshing of the outer edge teeth of the transmission gear 706 and the tooth shape of the bottom end of the inner wall of the hole in the inner gear ring 8, and the mold body 12 currently required to be used is rotated and transported to the processing station where the vertical clamping assembly 4 is located. During this period, the cam 10 fixedly connected to the top of the inner wall of the hole in the inner gear ring 8 through the connecting rod 9 rotates synchronously, and the fixing rod 1302 at the bottom end of the horizontal injection assembly 13 passes through the middle through hole 11 of the cam 10 and is connected to the working The table 1 is fixed to each other so that it is always fixed independent of the rotational movement of the inner gear ring 8. Due to the structural arrangement in which the number of arrays of the mold body 12 of the present application corresponds to the number of flanges of the cam 10, when the mold body 12 to be used is rotated and transported to the processing station where the vertical clamping assembly 4 is located, the flange of the cam 10 squeezes the trigger rod 1307 extending from the bottom end of the injection seat 1306, thereby causing the injection seat 1306 to overcome the elastic force of the return spring 1305 and slide on the sliding rods 1304 on both sides, and causing the nozzle 1310 at the end of the injection screw 1309 to be inserted into the nozzle 1207 on the side of the upper mold 1206 that is connected to the hot runner, so that the plastic particles injected by the barrel 1308 are melted in the injection seat 1306 and then injected by the injection motor 1 After the injection screw 1309 is rotated and driven by 311, the molten plastic is injected into the hot runner in the upper mold 1206 through the nozzle 1207, and the mold core 1203 at the top of the lower mold 1202 is further cooperated to complete the injection molding of the product. The present application can not only realize the rapid mold change of the mold body 12 by driving the intermittent rotation of the lower inner gear ring 8 by the drive component 7, but also enable the horizontal injection component 13 to cooperate with the conveying stroke of the mold body 12 to realize the intermittent clutch of the nozzle 1310 and the side nozzle 1207 of the upper mold 1206, so that the rapid mold change of the mold body 12 and the continuous supply of molten plastic can be realized without manual intervention, thereby improving the automation degree and process integration degree of the mold changing device of the present application. When the mold body 12 to be used is located in the vertical clamping component 4 When the mold is in the processing station, the clamping cylinder 407 pulls the toggle 409 backwards through the telescopic rod 408, and further drives the guide sleeves 405 at the two ends of the outer side of the cross bar 404 to slide and descend in the guide rod 3 through the downward descent of the swing arm 403, and the electromagnetic top seat 406 fixedly connected to the two ends of the inner side of the cross bar 404 is buckled on the upper mold 1206 and fixed by electromagnetic suction, and then the molten plastic is injected into the hot runner in the upper mold 1206 through the nozzle 1207, and further cooperates with the mold core 1203 at the top of the lower mold 1202 to complete the injection molding of the product, and then the clamping cylinder 407 pushes the toggle 409 forwards through the telescopic rod 408, and further drives the guide sleeves 405 at the two ends of the outer side of the cross bar 404 to slide and ascend in the guide rod 3 through the upward lifting of the swing arm 403,The electromagnetic ejector 406 completes the separation of the upper mold 1206 and the lower mold 1202 with the upper mold 1206 fixed thereto by magnetic attraction. During this process, the insert rod 410 at the bottom of the end of the telescopic rod 408 is inserted into the slot 1204 parallel to the top mold core 1203 of the lower mold 1202, and then the top slope of the insert rod 410 is abutted against the ejector pin 1205 in the slot 1204, so that the ejector pin 1205 protrudes from the bottom end of the mold core 1203, and the molded injection molded product is ejected. The present application not only realizes the locking of the mold body 12 during the injection molding process through the cooperation of the vertical clamping assembly 4 and the mold body 12, but also can realize the ejection and unloading of the injection molded product in linkage after the mold is opened. The whole process can be completed in linkage with only one design of the clamping cylinder 407, which effectively reduces the production cost and improves the continuous operation efficiency.
[0036] The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various implementations with various modifications suitable for specific uses.
Claims
1. An adjustable vertical injection molding machine, characterized in that: The invention comprises a workbench (1) and a vertical mold locking assembly (4), wherein a bracket (2) is fixed on the side of the workbench (1), and two guide rods (3) are fixed on the bottom of the end of the bracket (2); the vertical mold locking assembly (4) is arranged in a recess on the inner side of the bracket (2); the vertical mold locking assembly (4) comprises a cylinder mounting plate (401), a rotating pin (402), a swing arm (403), a cross bar (404), a guide sleeve (405), an electromagnetic top seat (406), a mold locking cylinder (407), a telescopic rod (408), a toggle (409) and an insertion rod (410); a rotating pin (402) is fixedly mounted on the side end of the cylinder mounting plate (401), and the rotating pin (402) is rotatably connected to the swing arm (403); the end of the swing arm (403) away from the rotating pin (402) is connected to the cross bar (404). The cross bar (404) is connected to each other, and guide sleeves (405) are fixedly installed at both ends of the outer side of the cross bar (404), and the guide sleeves (405) are slidably matched with the guide rod (3). Electromagnetic top seats (406) are fixedly installed at both ends of the inner side of the cross bar (404), and the electromagnetic top seats (406) can generate magnetism when powered on. The rear end of the cylinder mounting plate (401) is bolted with a clamping cylinder (407), and the output end of the clamping cylinder (407) is fixedly connected with a telescopic rod (408). One side of the output end of the telescopic rod (408) is rotatably connected with a toggle (409), and the toggle (409) is rotatably connected to the notch of the "V"-shaped structure of the swing arm (403). The other side of the output end of the telescopic rod (408) is fixedly connected with an insertion rod (410), and the top of the insertion rod (410) is provided with a slope surface with a lower front and a higher rear.
2. An adjustable vertical injection molding machine according to claim 1, characterized in that: A slewing bearing (5) is arranged in the middle of the workbench (1), and the slewing bearing (5) is fixed to the workbench (1) via a bottom support leg (6). A driving assembly (7) is fixedly mounted on the top of the workbench (1), and the driving assembly (7) comprises a body (701), a lower recess (702), a rotating motor (703), a driving cone wheel (704) and a driven bevel wheel (705). The body (701) is arranged at a position close to the inner wall of the middle hole of the slewing bearing (5), and a lower recess (702) is arranged at the bottom of the body (701). A rotating motor (703) is fixedly mounted at the open end of the lower recess (702), and the output end of the rotating motor (703) is fixedly connected to the driving cone wheel (704), and the driving cone wheel (704) and the outer edge gear teeth of the driven bevel wheel (705) are meshed for transmission.
3. An adjustable vertical injection molding machine according to claim 2, characterized in that: The driving assembly (7) further comprises a transmission gear (706) and an upper notch (707); the top of the driven bevel wheel (705) is coaxially driven with the transmission gear (706), and the transmission gear (706) is rotatably mounted inside the upper notch (707) arranged on the top of the machine body (701).
4. The adjustable vertical injection molding machine according to claim 2, characterized in that: An inner gear ring (8) is rotatably mounted inside the slewing bearing (5), and the bottom tooth shape of the inner wall of the hole in the inner gear ring (8) meshes with the transmission gear (706) for transmission. A connecting rod (9) is fixed to the top array of the inner wall of the hole in the inner gear ring (8), and the connecting rod (9) is fixed to the cam (10) at the intersection away from the inner wall of the hole in the inner gear ring (8), and a through hole (11) is provided through the middle of the cam (10).
5. The adjustable vertical injection molding machine according to claim 4, characterized in that: A mold body (12) is fixed in an array on the disk surface of the inner gear ring (8), and the number of the arrays of the mold body (12) corresponds to the number of flanges of the cam (10). The mold body (12) comprises an electromagnetic base (1201), a lower mold (1202) and a mold core (1203). The electromagnetic base (1201) is fixed to the disk surface of the inner gear ring (8) by bolts, and the lower mold (1202) is magnetically fixed to the top of the electromagnetic base (1201), and a mold core (1203) that is concave inwardly is provided in the middle of the top of the lower mold (1202).
6. An adjustable vertical injection molding machine according to claim 5, characterized in that: The mold body (12) further comprises a slot (1204) and an ejector pin (1205); the slot (1204) is arranged parallel to the bottom end of the mold core (1203); the slot (1204) is connected to the bottom plane of the mold core (1203) through the ejector pin (1205); and the bottom roller of the ejector pin (1205) is in abutment with the top slope of the insertion rod (410).
7. An adjustable vertical injection molding machine according to claim 6, characterized in that: The mold body (12) also includes an upper mold (1206) and a nozzle (1207), the upper mold (1206) is buckled on the top of the lower mold (1202), and the upper mold (1206) is magnetically fixed to the electromagnetic top seat (406), and the side of the upper mold (1206) is provided with a nozzle (1207) connected to the hot runner.
8. The adjustable vertical injection molding machine according to claim 2, characterized in that: A horizontal injection assembly (13) is arranged inside the middle hole of the slewing bearing (5), and the horizontal injection assembly (13) includes a base (1301), a fixing rod (1302) and a groove (1303). The fixing rod (1302) is fixedly installed at the bottom end of the base (1301), and the fixing rod (1302) passes through the middle hole (11) of the cam (10) and is fixed to the workbench (1). The bottom front end of the base (1301) is provided with a groove (1303).
9. An adjustable vertical injection molding machine according to claim 8, characterized in that: The horizontal injection assembly (13) also includes a slide bar (1304), a return spring (1305), an injection seat (1306) and a trigger rod (1307). The slide bars (1304) are fixedly installed on both sides of the base (1301), and the return spring (1305) is sleeved on the front end of the slide bar (1304). The injection seat (1306) is slidably installed inside the slide bars (1304) on both sides, and the trigger rod (1307) is fixedly connected to the bottom of the front end of the injection seat (1306), and the trigger rod (1307) is always kept in contact with the outer edge of the cam (10) under the elastic force of the return spring (1305).
10. An adjustable vertical injection molding machine according to claim 9, characterized in that: The horizontal injection assembly (13) also includes a barrel (1308), an injection screw (1309), a nozzle (1310) and an injection motor (1311); the top of the injection seat (1306) is connected to the barrel (1308), and the front end of the injection seat (1306) is connected to the injection screw (1309); the end of the injection screw (1309) is connected to the nozzle (1310), and the nozzle (1310) is connected to the nozzle (1207) on the side of the upper mold (1206); the injection motor (1311) is fixed by bolts at the rear end of the injection seat (1306), and the output end of the injection motor (1311) is rotationally driven with the injection screw (1309).