CN119116293A - Injection molding and punching combined mechanism - Google Patents
Injection molding and punching combined mechanism Download PDFInfo
- Publication number
- CN119116293A CN119116293A CN202411354174.8A CN202411354174A CN119116293A CN 119116293 A CN119116293 A CN 119116293A CN 202411354174 A CN202411354174 A CN 202411354174A CN 119116293 A CN119116293 A CN 119116293A
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- China
- Prior art keywords
- punching
- sliding
- lifting
- mounting plate
- injection molding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004080 punching Methods 0.000 title claims abstract description 62
- 238000001746 injection moulding Methods 0.000 title claims abstract description 40
- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- 238000005520 cutting process Methods 0.000 claims abstract description 24
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 46
- 239000003292 glue Substances 0.000 description 17
- 230000006872 improvement Effects 0.000 description 10
- 230000007547 defect Effects 0.000 description 7
- 238000012805 post-processing Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000009189 diving Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/38—Cutting-off equipment for sprues or ingates
- B29C45/382—Cutting-off equipment for sprues or ingates disposed outside the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/42—Removing or ejecting moulded articles using means movable from outside the mould between mould parts, e.g. robots
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
- B29C2045/0077—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping removing burrs or flashes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an injection molding and punching combined mechanism which comprises an injection mold module and a water gap punching module, wherein the injection mold module comprises an upper mold module and a lower mold module, the upper mold module is provided with an upper mold core, the lower mold module is provided with a lower mold core, the upper mold core is provided with an upper mold cavity, the lower mold core is provided with a lower mold cavity matched with the upper mold cavity, the water gap punching module comprises a lower movable mold module and an upper movable mold module, the lower movable mold module comprises a movable positioning jig, the upper movable mold module comprises a water gap cutter capable of moving up and down, the positioning jig is used for positioning a product workpiece taken out from the injection mold module, and the water gap cutter is used for cutting a water gap on the product workpiece positioned on the positioning jig. The injection molding and automatic water gap punching combined mechanism completes injection molding and automatic water gap punching of products through the injection mold module and the water gap punching module, and has the advantages of high efficiency, low labor cost, difficult damage to products, good product quality and the like which are not possessed by the prior art.
Description
Technical Field
The invention relates to the field of injection molding of products, in particular to an injection molding and punching combined mechanism.
Background
For injection molding products, because some appearance parts are not allowed to have glue inlet marks on the appearance requirement, if a glue inlet point is designed in the central area of the product, the product can be more uniformly filled, water gap materials are saved, the appearance welding lines are fewer, the appearance is attractive due to the welding line position, the product is easy to be trapped in air and burnt during injection molding, and the requirement on the injection molding regulator technology is high.
In the case where only one glue inlet is designed, the mold design will generally be chosen:
1. side-feeding glue for position with hole in center of product
The technical defects that after injection molding, the side glue has residual glue positions, the assembly of products is influenced, the excessive residual water gap is needed to be cut by manual post-processing, the products are easy to be cut by manual post-processing, the production efficiency is low due to careless damage of tools and the products are easy to be defective products, and the processing cost and the labor cost are high;
2. bottom lapping and glue feeding at position with hole in center of product
The technical defects that after injection molding, the bottom of the bottom is provided with a residual glue position, the assembly of the product is influenced, the excessive residual water gap is needed to be cut by manual post-processing, the product is easy to be cut by manual post-processing, the production efficiency is low due to careless damage of tools and the cost of processing and labor is high;
3. Diving piece or ox horn diving piece at outer side of product with fine water gap
3.1-Because the thin water gap point advances the glue, the pressure loss to the injection molding machine per se is relatively large, the thin water gap point changes the submerged piece after diving in the runner, the pressure loss of injection molding is more obvious, it can be difficult to pack;
3.2-a lot of fine water gap materials and waste production cost.
If the glue feeding mode is selected, the defects are as follows:
Firstly, a thin nozzle turns into a ox horn/dives, the pressure loss of an injection molding machine is large, the filling is difficult, and the parting surface burrs on the glue inlet side are large;
Secondly, side glue feeding/bottom lapping and glue feeding are carried out, a gate has residues, post processing is needed, the processing cost is high, and a product is easy to damage;
In summary, the prior art has various defects, and further development and popularization and application in the field are severely limited.
In view of the above, the present invention aims to provide a new technical solution to solve the existing technical problems.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an injection molding and punching combined mechanism, which solves the technical defects of the prior art that the injection molding machine has large pressure loss, difficult filling, large burr of a parting surface at the glue inlet side or residual gate, post processing requirement, high processing cost, easy product damage and the like.
The technical scheme adopted for solving the technical problems is as follows:
The injection molding die-cutting combined mechanism comprises an injection molding die set and a water gap die-cutting die set, wherein the injection molding die set comprises an upper die set and a lower die set, an upper die core is arranged on the upper die set, a lower die core is arranged on the lower die set, an upper die cavity is arranged on the upper die core, a lower die cavity matched with the upper die cavity is arranged on the lower die core, the water gap die-cutting die set comprises a lower movable die set and an upper movable die set, the lower movable die set comprises a movable positioning jig, the upper movable die set comprises a water gap cutter capable of moving up and down, the positioning jig is used for positioning a product workpiece taken out from the injection molding die set, and the water gap cutter is used for cutting off a water gap on the product workpiece positioned on the positioning jig.
As a further improvement of the technical scheme, the water gap punching die set comprises a punching die set mounting frame and a mounting platform arranged on the punching die set mounting frame, and the lower movable die assembly and the upper movable die assembly are both arranged on the mounting platform.
As a further improvement of the above technical solution, the lower die assembly includes a sliding guide rail disposed on the mounting platform, a sliding driving device and a sliding mounting plate disposed on the sliding guide rail, the driving end of the sliding driving device is connected to the sliding mounting plate and is used for driving the sliding mounting plate to slide on the sliding guide rail, and the positioning jig is mounted on the sliding mounting plate.
As a further improvement of the technical scheme, the positioning jig is provided with a positioning boss, and the side part of the positioning boss is provided with a long-side positioning block and a short-side positioning block.
As a further improvement of the technical scheme, the sliding driving device comprises a sliding driving cylinder, wherein the sliding driving cylinder is arranged at the bottom of the mounting platform, and an output shaft of the sliding driving cylinder is fixedly connected with the sliding mounting plate through a connecting block and is used for driving the sliding mounting plate to slide on the sliding guide rail.
As a further improvement of the technical scheme, the two sliding guide rails are arranged, the mounting platform is provided with the sliding limiting blocks, and the sliding limiting block is provided with the sliding limiting thimble and the sliding in-place sensor.
As a further improvement of the technical scheme, the upper moving die assembly comprises a lifting guide post arranged on the mounting platform, an upper mounting plate fixed at the upper end part of the lifting guide post, a lifting mounting plate slidingly sleeved on the lifting guide post, a punching driving device arranged on the lifting mounting plate and a lifting driving device arranged on the upper mounting plate, wherein the output end of the lifting driving device is connected to the lifting mounting plate and used for driving the lifting mounting plate to lift and move on the lifting guide post, and the water gap cutter is arranged at the output end of the punching driving device and used for driving the water gap cutter to move so as to realize the function of punching the water gap.
As a further improvement of the technical scheme, the punching driving device comprises a punching driving cylinder, the punching driving cylinder is installed on the lifting installation plate through a punching cylinder seat, a cutter installation seat is arranged at the output end of the punching driving cylinder, and a water gap cutter is installed on the cutter installation seat.
As a further improvement of the above technical solution, the lifting driving device includes a lifting driving cylinder, the lifting driving cylinder is disposed at the top of the upper mounting plate, and an output shaft of the lifting driving cylinder passes through the upper mounting plate and is fixedly connected with the lifting mounting plate through a cylinder connector).
As a further improvement of the technical scheme, a pressing rod for pressing a product workpiece is arranged at the bottom of the lifting mounting plate, and a soft rubber buffer pad is arranged at the lower end part of the pressing rod;
As a further improvement of the technical scheme, the bottom of the lifting mounting plate is provided with a descending in-place sensing block, and the mounting platform is provided with a descending in-place sensor matched with the descending in-place sensing block.
The injection molding and punching combined mechanism has the beneficial effects that the injection molding and punching combined mechanism comprises the injection mold module and the water gap punching module, the injection molding of products is finished through the injection mold module, the automatic punching of the water gap is finished through the water gap punching module, the automation degree is high, the production efficiency is effectively improved, the products are not easy to damage, and the quality of the products is better.
In conclusion, the injection molding and punching combined mechanism solves the technical defects of large pressure loss, difficult filling, large burr of the parting surface at the glue inlet side or residual gate, need of post-processing, high processing cost, easy product damage and the like of an injection molding machine in the prior art.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the assembly of the present invention;
FIG. 2 is a structural exploded view of an injection mold module according to the present invention;
FIG. 3 is a schematic diagram of the assembly of the water port die-cutting module of the present invention;
FIG. 4 is another schematic assembly view of a die-cut die set for water openings in accordance with the present invention;
FIG. 5 is a schematic view of the assembly of the lower movable mold assembly of the present invention;
FIG. 6 is another schematic view of the assembly of the lower movable mold assembly of the present invention;
FIG. 7 is a schematic view of the assembly of the upper movable mold assembly of the present invention.
Detailed Description
The conception, specific structure, and technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present invention. It is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present invention based on the embodiments of the present invention. In addition, all the coupling/connection relationships referred to in the patent are not direct connection of the single-finger members, but rather, it means that a better coupling structure can be formed by adding or subtracting coupling aids depending on the specific implementation. The technical features in the invention can be interactively combined on the premise of not contradicting and conflicting, and refer to figures 1-7.
Referring to fig. 1-4, the injection molding and punching combined mechanism comprises an injection molding die set 1 and a water gap punching die set 2, wherein the injection molding die set 1 comprises an upper die set 11 and a lower die set 12, an upper die core 13 is arranged on the upper die set 11, a lower die core 14 is arranged on the lower die set 12, an upper die cavity is arranged on the upper die core 13, a lower die cavity matched with the upper die cavity is arranged on the lower die core 14, the water gap punching die set 2 comprises a lower movable die set 21 and an upper movable die set 22, the lower movable die set 21 comprises a movable positioning jig 211, the upper movable die set 22 comprises a water gap cutter 221 capable of moving up and down, the positioning jig 211 is used for positioning a product workpiece 9 taken out from the injection molding die set 1, and the water gap cutter 221 is used for cutting off a water gap on the product workpiece 9 positioned on the positioning jig 211.
In a specific implementation, the injection mold module 1 adopts a side glue feeding/bottom lapping glue feeding mode to be suburb, after the injection of the product is completed, the upper mold module 11 and the lower mold module 12 are opened, the product workpiece 9 is moved into the water gap punching module 2 through a manipulator, the product workpiece 9 is positioned by utilizing the positioning jig 211 in the water gap punching module 2, and then the water gap part on the product workpiece 9 is punched out through the water gap cutter 221, so that an automatic punching function is completed, the whole process does not need to be involved in manual work, the labor cost is saved, the condition that the product is damaged during manual punching is avoided, and the product quality is ensured.
Referring to fig. 3, in some embodiments, the nozzle die cutting die set 2 includes a die cutting die set mounting frame 23 and a mounting platform 24 disposed on the die cutting die set mounting frame 23, and the lower and upper movable die assemblies 21 and 22 are mounted on the mounting platform 24. The die-cut die set mounting frame 23 is a support frame of the whole water gap die-cut die set 2, and can be manufactured by common sectional materials. The mounting platform 24 is a work platform for punching the water gap.
Referring to fig. 4-6, in some embodiments, the lower die assembly 21 includes a slide rail 212 disposed on the mounting platform 24, a slide driving device having a driving end connected to the slide mounting plate 213 and configured to drive the slide mounting plate 213 to slide on the slide rail 212, and a slide mounting plate 213 disposed on the slide rail 212, the positioning jig 211 being mounted on the slide mounting plate 213.
When the die-cut die assembly is applied, firstly, the sliding driving device drives the sliding mounting plate 213 and the positioning jig 211 to slide on the sliding guide rail 212 to a preset receiving position, after the die-cut die assembly is in place, the manipulator places a product workpiece 9 needing to die-cut a water gap on the positioning jig 211, then the sliding driving device drives the sliding mounting plate 213 and the positioning jig 211 to reversely slide on the sliding guide rail 212 to the die-cut position, and after the sliding is in place, the water gap is die-cut through the water gap cutter 221 on the upper moving die assembly 22.
In some embodiments, the positioning fixture 211 is provided with a positioning boss 2111, and a long side positioning block 2112 and a short side positioning block 2113 are disposed on the side of the positioning boss 2111. The shape of the positioning boss 2111 is matched with the shape of the workpiece 9 of the product, and the long-side positioning block 2112 and the short-side positioning block 2113 are used for positioning the long side and the short side of the workpiece 9 of the product, so that the workpiece 9 of the product is prevented from loosening in position in the punching process, and the punching quality of the product is ensured.
In some embodiments, the sliding driving device includes a sliding driving cylinder 214, where the sliding driving cylinder 214 is disposed at the bottom of the mounting platform 24, and an output shaft of the sliding driving cylinder 214 is fixedly connected to the sliding mounting plate 213 through a connection block and is used to drive the sliding mounting plate 213 to slide on the sliding guide rail 212. In other embodiments, the operator may select the driving device meeting the performance requirement, such as the oil cylinder, the electric cylinder, etc., as the sliding driving device according to the requirement, which is not described herein.
In some embodiments, the number of the sliding guide rails 212 is two, the mounting platform 24 is provided with a sliding limiting block 215, and the sliding limiting block 215 is provided with a sliding limiting thimble 216 and a sliding in-place sensor 217. The sliding mounting plate 213 and the positioning jig 211 are ensured to move to proper positions by the sliding limiting thimble 216 and the sliding in-place sensor 217.
Referring to fig. 7, in some embodiments, the upper moving die assembly 22 includes a lifting guide post 222 mounted on the mounting platform 24, an upper mounting plate 223 fixed on an upper end portion of the lifting guide post 222, a lifting mounting plate 224 slidably sleeved on the lifting guide post 222, a die-cutting driving device disposed on the lifting mounting plate 224, and a lifting driving device disposed on the upper mounting plate 223, wherein an output end of the lifting driving device is connected to the lifting mounting plate 224 and is used for driving the lifting mounting plate 224 to move up and down on the lifting guide post 222, and the nozzle cutter 221 is disposed at an output end of the die-cutting driving device, and the die-cutting driving device is used for driving the nozzle cutter 221 to move to realize a function of die-cutting the nozzle.
In application, first, the lifting driving device drives the lifting mounting plate 223 to rise to a preset height on the lifting guide post 222, and meanwhile, the punching driving device and the nozzle cutter mounted on the lifting mounting plate 223 rise to a preset position. After the lifting device is lifted in place, the lower movable die assembly 21 moves the product workpiece 9 needing to be die-cut into the lower part of the upper movable die assembly 22, and after the product workpiece 9 is in place, the lifting driving device drives the lifting mounting plate 223 to descend to a preset height on the lifting guide post 222, and meanwhile, the die-cutting driving device and the water gap cutter arranged on the lifting mounting plate 223 descend to a preset height. Further, the die-cutting driving device drives the nozzle cutter 221 to die-cut downwards, so that nozzle die-cutting is completed.
In some embodiments, the die-cutting driving device comprises a die-cutting driving cylinder 225, the die-cutting driving cylinder 225 is mounted on the lifting mounting plate 224 through a die-cutting cylinder seat 226, a cutter mounting seat 227 is arranged at the output end of the die-cutting driving cylinder 225, and the water gap cutter 221 is mounted on the cutter mounting seat 227. In some other embodiments, the practitioner may also select a cylinder, an electric cylinder, or the like, as the die-cut driving device, as desired.
In some embodiments, the lifting driving device comprises a lifting driving cylinder 228, the lifting driving cylinder 228 is disposed at the top of the upper mounting plate 223, and an output shaft of the lifting driving cylinder 228 penetrates through the upper mounting plate and is fixedly connected with the lifting mounting plate 224 through a cylinder connector 2281. In some other embodiments, the operator may also select a driving device, such as an oil cylinder, an electric cylinder, etc., meeting the performance requirement as the lifting driving device.
In some embodiments, a pressing rod 229 for pressing the product workpiece 9 is arranged at the bottom of the lifting mounting plate 224, a soft rubber buffer 2291 is arranged at the lower end of the pressing rod 229, and the product workpiece 9 is pressed through the soft rubber buffer 2291, so that the workpiece is prevented from loosening in position.
In some embodiments, a lowering position sensing block 25 is disposed at the bottom of the lifting mounting plate 224, and a lowering position sensor 26 matching the lowering position sensing block 25 is disposed on the mounting platform 24. The lifting mounting plate 224 is controlled to move to a proper height by the descent in-place sensor block 25 and the descent in-place sensor 26 in cooperation.
While the preferred embodiment of the present application has been described in detail, the present application is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present application, and the equivalent modifications or substitutions are included in the scope of the present application as defined in the appended claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411354174.8A CN119116293A (en) | 2024-09-27 | 2024-09-27 | Injection molding and punching combined mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411354174.8A CN119116293A (en) | 2024-09-27 | 2024-09-27 | Injection molding and punching combined mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119116293A true CN119116293A (en) | 2024-12-13 |
Family
ID=93758888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411354174.8A Pending CN119116293A (en) | 2024-09-27 | 2024-09-27 | Injection molding and punching combined mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119116293A (en) |
-
2024
- 2024-09-27 CN CN202411354174.8A patent/CN119116293A/en active Pending
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