CN119283315B - Injection molding machine mold clamping device and injection molding machine - Google Patents
Injection molding machine mold clamping device and injection molding machine Download PDFInfo
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- CN119283315B CN119283315B CN202411604855.5A CN202411604855A CN119283315B CN 119283315 B CN119283315 B CN 119283315B CN 202411604855 A CN202411604855 A CN 202411604855A CN 119283315 B CN119283315 B CN 119283315B
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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
- B29C45/64—Mould opening, closing or clamping devices
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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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/70—Maintenance
- B29C33/72—Cleaning
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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
- B29C45/1753—Cleaning or purging, e.g. of the injection unit
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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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
本发明涉及注塑模具技术领域，具体公开了一种注射成型机合模装置及注射成型机，包括安装在模架上的定模以及动模，且所述动模通过连接架与模架滑动连接，所述模架上设置有用于驱使动模开模以及合模的动力气缸，所述模架的两侧上分别滑动连接有滑动框，且滑动框内部通过触发件滑动连接有一接料板，所述滑动框远离接料板的一端设置有清洁刷板；所述连接架内部设置有顶出机构，且所述滑动框与固定架之间设置有间歇动力机构。能够对定模模仁进行清洁作业的同时，还能够驱使接料板从滑动框内部滑出，在此行程中还通过驱动部驱使顶出机构对成型后的工件顶出，配合接料板下料，极大程度提高该模具的实用性以及工作效率。
The present invention relates to the technical field of injection molds, and specifically discloses a mold clamping device for an injection molding machine and an injection molding machine, comprising a fixed mold and a movable mold installed on a mold frame, and the movable mold is slidably connected to the mold frame through a connecting frame, and a power cylinder for driving the movable mold to open and close the mold is arranged on the mold frame, and sliding frames are slidably connected on both sides of the mold frame, and a material receiving plate is slidably connected inside the sliding frame through a trigger member, and a cleaning brush plate is arranged at one end of the sliding frame away from the material receiving plate; an ejection mechanism is arranged inside the connecting frame, and an intermittent power mechanism is arranged between the sliding frame and the fixed frame. While cleaning the fixed mold core, the material receiving plate can also be driven to slide out from the inside of the sliding frame, and during this stroke, the ejection mechanism is also driven by the driving part to eject the molded workpiece, and the material receiving plate is cooperated to unload the material, which greatly improves the practicality and work efficiency of the mold.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to a mold clamping device of an injection molding machine and the injection molding machine.
Background
Injection molding is to mold a mold with a certain shape by injecting colloid in a molten state into a mold cavity under pressure, and the technological principle is that solid plastic is melted according to a certain melting point, the solid plastic is injected into a mold with a certain speed under the pressure of an injection machine, and the mold is cooled by a water channel to solidify the plastic so as to obtain a product which is the same as a designed mold cavity. The apparatus using injection molding is called an injection molding machine, also called an injection molding machine.
Injection molding machines, also known as injection molding machines or injection molding machines, are the primary molding devices that make thermoplastic or thermosetting plastics into plastic articles of various shapes using plastic molding dies. The device can be divided into vertical type, horizontal type and full-electric type.
An injection molding machine is known which includes a mold section including a fixed mold and a movable mold, a clamping mechanism section for clamping the fixed mold and the movable mold, and an injection mechanism section for injecting a molding material into a cavity between the fixed mold and the movable mold. When the injection molding machine works, the injection molding machine applies high pressure to heated plastic, the molten plastic is injected to fill the mold cavity of the mold, when the product injection molding is carried out, the mold is first clamped and fixed under the action of the clamping device when the product production processing is carried out, and the injection molding is carried out in the mold cavity through the injection molding machine.
In the prior art, as the application number is 202022307278.7, the issued publication number is CN214056320U, the name is a Chinese patent for a mold closing device of an injection molding machine, the Chinese patent discloses a mold closing device for an injection molding machine, and the mold closing device comprises a device box, an adjusting frame is rotationally connected to the inner wall of the device box, a driving mechanism connected with the adjusting frame is arranged on the outer wall of the device box, a supporting column is fixed on the inner wall of the device box, a moving block is arranged in the device box and connected with the supporting column through a sliding mechanism, the moving block is connected with the adjusting frame through the adjusting mechanism, and a fixed mold is arranged in the device box. The position of the nut can be adjusted by arranging the adjusting mechanism and the sliding mechanism in the patent, the distance between the adjusting frame and the moving block can be adjusted, and the extrusion force of the movable die can be adjusted by adjusting the distance so as to adapt to the injection molding of more products, and the applicability of the injection molding machine is improved.
And if the application number is 202123317883.3, the grant bulletin number is CN216914709U, the name is a Chinese patent of an injection molding machine mold clamping device, the Chinese patent discloses an injection molding machine mold clamping device, the front end and the rear end of the left side surface of the supporting plate are respectively provided with a clamping mechanism, the clamping mechanism comprises an auxiliary plate, the auxiliary plate is fixedly connected with the left side surface of the left side supporting plate, the rear side is rotationally connected with an auxiliary screw rod on the front side surface of the auxiliary plate and rotationally connected with the front side auxiliary plate, the front side of the front side auxiliary plate is provided with a locking motor, the output end of the locking motor is fixedly connected with the front end of the auxiliary screw rod, and the auxiliary screw rod is in threaded connection with a moving block. In the above patent, the auxiliary screw rod is driven to rotate under the action of the locking motor, and meanwhile, a certain acting force is applied to the locking groove under the action of the arc shape of the front end of the left side surface of the locking block, so that the tight fit of the die during die assembly is ensured.
In the prior art such as the above patent, the injection molding efficiency of the work can be improved to some extent. In the use process of the known injection mold, a driving source drives a movable mold to slide to one side of a fixed mold, the movable mold stops after sliding to a preset position, external liquid raw materials are injected into a molding cavity formed between the fixed mold and the movable mold, and a workpiece is cooled and molded and then is demolded, so that a final product is obtained. It is known that, in the process of demolding a workpiece after the raw material is injected into the molding cavity for cooling molding, raw material residues remain on the movable mold, and therefore, in order to avoid affecting the subsequent injection molding operation of the workpiece, the retained residues need to be cleaned. In the prior art, the operator cleans the movable mould by hand in the process of taking out the workpiece, but the mode has the advantages that the operator forgets to clean the movable mould, and residues on the guide actuating mould influence the injection molding operation of the subsequent workpiece, so that the yield of the workpiece is influenced. Meanwhile, after the workpiece is cooled and molded, the movable die is driven to be separated from the fixed die through the driving piece, then the workpiece positioned in the molding cavity is ejected by using the ejection mechanism, an operator is required to take down the ejected workpiece at the moment, or the workpiece is directly ejected and dropped at the workpiece stacking position under the condition of improving the working efficiency, and the known die and the workpiece stacking position have a certain height difference, so that when the workpiece is directly ejected and dropped, the situation that the workpiece is damaged due to collision occurs due to the fact that the height is higher exists, and the yield of the workpiece is affected.
Therefore, how to realize the cleaning operation of the fixed die in the stroke of driving the movable die to open by the driving piece can also realize the buffering effect on the demoulded workpiece passively so as to improve the yield of the workpiece is a technical problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a mold clamping device of an injection molding machine and the injection molding machine, so as to solve the problems in the background technology.
The injection molding machine mold clamping device comprises a fixed mold and a movable mold which are arranged on a mold frame, the movable mold is connected with the mold frame in a sliding mode through a connecting frame, a power cylinder for driving the movable mold to open and close the mold is arranged on the mold frame, sliding frames are respectively connected to two sides of the mold frame in a sliding mode, a material receiving plate is connected to the inside of the sliding frame in a sliding mode through a triggering piece, a cleaning brush plate is arranged at one end, away from the material receiving plate, of the sliding frame, an ejection mechanism is arranged in the connecting frame, a fixing frame is fixedly connected to the inside of the connecting frame, the ejection mechanism is in transmission connection with the fixing frame through a driving part, an intermittent power mechanism is arranged between the sliding frame and the fixing frame, the power cylinder drives the sliding brush plate to open the mold through the intermittent power mechanism, the sliding frame drives the material receiving plate to be ejected from the sliding frame through the sliding part, and the driving part ejects a workpiece positioned in the sliding mold to be used for workpiece blanking through the matching material receiving plate.
Further, the trigger piece comprises a first trigger rack which is connected inside the sliding frame in a sliding mode, a second trigger rack is fixedly connected to the material receiving plate, a trigger gear is connected inside the sliding frame in a rotating mode, the first trigger rack and the second trigger rack are meshed with the trigger gear respectively, and a trigger block is fixedly connected to the first trigger rack.
Further, the intermittent power mechanism comprises a reciprocating screw rod rotationally connected to the die carrier, a threaded sleeve in threaded connection with the reciprocating screw rod is arranged on the sliding frame, the intermittent power mechanism further comprises a spur gear, the spur gear is arranged on the reciprocating screw rod through an intermittent connecting portion, a power rack is fixedly connected to the fixing frame, and the power rack is meshed with the spur gear.
The intermittent connection part comprises a connection cylinder, the spur gear is fixedly connected to the connection cylinder, a connection rod is fixedly connected to the reciprocating screw rod, ratchets are arranged on the connection rod through a base, tooth grooves are formed in the connection cylinder, and the ratchets are clamped in the tooth grooves.
Further, the ejection mechanism comprises an ejection plate which is in sliding connection with the inside of the connecting frame, a plurality of groups of ejection rods are fixedly connected to the ejection plate, the ejection rods are in sliding connection with the movable die, and a plurality of groups of reset springs are further arranged between the ejection plate and the movable die.
Further, the driving part comprises a first driving rack fixedly connected to the fixing frame, a second driving rack is further connected to the die frame in a sliding mode, a driving gear is connected to the die frame in a rotating mode through a driving rod, the first driving rack and the second driving rack are respectively meshed with the upper side and the lower side of the driving gear, a pressing rod is fixedly connected to the second driving rack, and the pressing rod is abutted to one end, far away from the ejection rod, of the ejection plate.
The die carrier comprises a die carrier body, a die carrier, a power cylinder, a plurality of groups of conveying rollers, a transmission mechanism and a transmission mechanism, wherein the die carrier body is arranged on the die carrier body, the power cylinder is used for driving the die carrier body to move, the transmission mechanism is used for driving the die carrier body to move, and the transmission mechanism is used for driving the die carrier body to move.
The intermittent linkage mechanism comprises a first connecting cylinder fixedly connected to one of the conveying rollers, a plurality of groups of wedge-shaped grooves formed in the first connecting cylinder, a power rod rotationally connected to the die frame, a second connecting cylinder fixedly connected to the power rod, a plurality of groups of wedge-shaped blocks fixedly connected to the second connecting cylinder, a mounting cylinder, a positioning spring and a linkage rack, wherein the power rod is in sliding connection with the mounting cylinder, the positioning spring is arranged between the power rod and the mounting cylinder, the elastic force of the positioning spring drives each wedge-shaped block to be respectively clamped in the corresponding wedge-shaped groove, the linkage gear is arranged on the mounting cylinder, and the linkage rack is fixedly connected to the connecting frame and meshed with the linkage gear.
Further, a plurality of groups of blocking components are arranged between the movable die and the die frame, the blocking components comprise base plates which are connected inside the die frame in a sliding mode, power grooves are formed in the base plates, pressing blocks are fixedly connected to the fixing frames, and the pressing blocks are in intermittent abutting connection with the power grooves.
An injection molding machine comprises the mold clamping device of the injection molding machine.
Compared with the prior art, the mold clamping device of the injection molding machine and the injection molding machine have the beneficial effects that after the injection molding of a workpiece is completed and the injection molding machine is cooled and molded, when a power cylinder drives a movable mold to open, the intermittent power mechanism drives a sliding frame to slide to one side of the fixed mold, the sliding frame drives a cleaning brush plate to abut against a mold core on the fixed mold, and as the cleaning brush plate slides, residues on the fixed mold are cleaned by utilizing friction force, so that the movable mold does not need to be cleaned manually, and the residues retained on the mold core of the fixed mold are prevented from affecting the injection molding operation of a subsequent workpiece, thereby improving the practicability of the injection molding mold. And in the cleaning brush plate cleaning operation on the fixed die core and the sliding process of the receiving plate sliding out of the sliding frame, the driving part drives the ejection mechanism to eject the workpiece positioned in the movable die to cooperate with the receiving plate, thereby limiting the workpiece blanking, avoiding the offset condition during workpiece blanking, simultaneously playing a certain buffering effect on the blanked workpiece, greatly facilitating the workpiece blanking, reducing the collision condition of the workpiece during blanking, greatly improving the yield of the workpiece and meeting the working requirement.
Therefore, the die can clean the die core of the fixed die in the stroke of driving the movable die by the power cylinder, and simultaneously can drive the material receiving plate to slide out of the sliding frame, and in the stroke, the driving part drives the ejection mechanism to eject the formed workpiece, so that the practicability and the working efficiency of the die are greatly improved, and the operation process does not need to set an independent driving source and independently control each operation part by a program, thereby being suitable for being widely popularized and used.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic diagram of the overall internal structure of a mold frame according to an embodiment of the present invention;
Fig. 2 is a schematic view of another view angle structure of the interior of the mold frame according to the embodiment of the present invention;
FIG. 3 is a schematic view of an inner structure of a carrying frame according to an embodiment of the present invention;
Fig. 4 is a schematic structural diagram of a hidden state of a fixed mold according to an embodiment of the present invention;
FIG. 5 is a schematic view of a mounting structure of a blocking member according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of an ejector mechanism according to an embodiment of the present invention;
FIG. 7 is a schematic view of an ejection mechanism according to another embodiment of the present invention;
Fig. 8 is a schematic diagram of a driving portion according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of an intermittent power structure installation mode according to an embodiment of the present invention;
FIG. 10 is a schematic view of a mounting structure of a cleaning brush plate according to an embodiment of the present invention;
FIG. 11 is a schematic diagram of a structure of a separating state of a receiving plate and a sliding frame according to an embodiment of the present invention;
FIG. 12 is a schematic diagram of a specific structure of a trigger according to an embodiment of the present invention;
FIG. 13 is a schematic diagram of an intermittent linkage mechanism according to an embodiment of the present invention;
fig. 14 is a schematic diagram of the overall structure of a mold frame according to an embodiment of the present invention.
The reference numerals indicate 1, a die carrier; 2, movable mold, 3, fixed mold, 4, connecting frame, 5, power cylinder, 6, bearing frame, 7, sliding frame, 71, limit bar, 8, intermittent power mechanism, 81, reciprocating screw rod, 82, threaded sleeve, 83, intermittent connecting part, 831, connecting rod, 832, ratchet, 833, tooth socket, 84, spur gear, 85, power rack, 9, receiving plate, 91, connecting plate, 10, cleaning brush plate, 11, trigger piece, 111, first trigger rack, 112, second trigger rack, 113, trigger gear, 114, trigger block, 115, rotating rod, 12, fixed frame, 13, ejection rod, 14, ejection plate, 15, return spring, 16, driving part, 161, first driving rack, 162, second driving rack, 163, driving gear, 164, driving rod, 165, pressing rod, 17, supporting frame, 18, conveyer belt, 19, intermittent mechanism, 191, first connecting cylinder, 192, wedge slot, 193, second connecting cylinder, 194, wedge block, 195, driving rod, 196, positioning spring, 197, positioning spring, 21, pressing cylinder, 21, backing plate, 20, connecting plate, and connecting spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-14, the present invention provides a mold clamping device for an injection molding machine, which includes a fixed mold 3 and a movable mold 2 mounted on a mold frame 1. Specifically, the injection molding opening is formed in the fixed die 3, and external injection molding raw materials are conveyed to the inside of the die through the conveying roller until the injection molding raw materials are conveyed to the inside of the fixed die 3 through the injection molding opening, so that injection molding operation of workpieces is completed, and the working requirements are met. And the movable mould 2 is in sliding connection with the mould frame 1 through the connecting frame 4, so that the movable mould 2 can conveniently slide to realize mould opening and closing, and the use effect is better. The die carrier 1 is provided with a power cylinder 5 for driving the movable die 2 to open and close, and provides power for sliding of the movable die 2.
Wherein sliding connection has sliding frame 7 respectively on the both sides of die carrier 1, more specifically, equal fixedly connected with bears frame 6 on the both sides of die carrier 1, fixedly connected with spacing 71 on the sliding frame 7, has seted up the spacing inslot at bearing frame 6 inside, wherein spacing 71 sliding connection is in the spacing inslot to can improve the stability when sliding frame 7 slides, the result of use is better. Of which the two sliding frames 7 are identical in construction and working principle, only one of which is described here and hereinafter, the other sliding frame 7 being provided as a mirror image. And the inside of the sliding frame 7 is slidably connected with a receiving plate 9 through a trigger piece 11, specifically, the shape of the receiving plate 9 can be designed according to the requirement of the working environment, and the receiving plate can be wedge-shaped. When the sliding frame 7 does not slide, the receiving plate 9 is located inside the sliding frame 7, so that the subsequent operation is not affected. And dodge the groove has been seted up on the slip frame 7, and trigger piece 11 then installs in slip frame 7 through dodging the groove, satisfies the work needs. When the sliding frame 7 slides to one side of the fixed die 3, the trigger piece 11 drives the material receiving plate 9 to slide out of the sliding frame 7, so that workpiece blanking is limited, the phenomenon of deviation during workpiece blanking is avoided, and workpiece blanking is greatly facilitated.
The one end that connects flitch 9 was kept away from to slip frame 7 is provided with cleaning brush board 10, therefore when slip frame 7 on die carrier 1 both sides was slided to one side of cover half 3, slip frame 7 then can drive the mould benevolence butt on cleaning brush board 10 and the cover half 3, along with the slip of cleaning brush board 10, utilize frictional force to carry out cleaning operation with the residue on the cover half 3 mould benevolence, need not manual clear operation to movable mould 2, avoid the residue that is detained on the cover half 3 mould benevolence to influence the operation of moulding plastics of follow-up work piece, thereby can improve this injection mold's practicality.
Wherein, the inside ejection mechanism that is provided with of link 4 is convenient to be ejecting with the work piece after the processing, greatly improves this injection mold's machining efficiency, and the result of use is better. The movable die 2 is fixedly connected with a fixed frame 12, and the ejection mechanism is in transmission connection with the fixed frame 12 through a driving part 16. At the moment, in the process of opening the movable die 2 by the power piece after the injection molding of the workpiece is completed, the workpiece positioned in the movable die 2 is ejected by the ejection mechanism by the cooperation between the fixed frame 12 and the driving part 16, so compared with the prior art, the method has the advantages that the power cylinder 5 is used for driving the movable die 2 to slide to a certain stroke and then the independent driving source is used for driving the ejection mechanism to eject the workpiece, the use of the driving source is reduced, the demolding efficiency of the die can be improved to a certain extent, and meanwhile, the cost is saved.
Wherein an intermittent power mechanism 8 is arranged between the sliding frame 7 and the fixed frame 12 to provide power for the sliding of the sliding frame 7. Specifically, the intermittent power mechanism 8 is adopted, and in the process that the power cylinder 5 drives the movable die 2 and the fixed die 3 to be clamped, the intermittent power mechanism 8 does not provide power for the sliding frame 7, so that the sliding frame 7 cannot slide into the movable die 2. In contrast, after the injection molding of the workpiece is completed and the cooling molding is performed, the power cylinder 5 drives the movable die 2 to open, at the moment, the intermittent power mechanism 8 drives the sliding frame 7 to drive the cleaning brush plate 10 to clean the movable die 2, the trigger piece 11 drives the material receiving plate 9 to slide out of the sliding frame 7, and the driving part 16 drives the ejection mechanism to eject the workpiece positioned in the movable die 2 so as to match the material receiving plate 9 for workpiece blanking.
Specifically, after the workpiece is injection molded and cooled and formed, when the movable die 2 is opened, the power cylinder 5 drives the sliding frame 7 to slide to one side of the fixed die 3 through the intermittent power mechanism 8, the sliding frame 7 drives the cleaning brush plate 10 to abut against the die core on the fixed die 3, and the residues on the fixed die 3 are cleaned by utilizing friction force along with the sliding of the cleaning brush plate 10, so that the movable die 2 is not required to be cleaned manually, and the residual remained on the die core of the fixed die 3 is prevented from affecting the injection molding operation of the subsequent workpiece, thereby improving the practicability of the injection molding die. In the process of cleaning the brush plate 10 to the die core of the fixed die 3, after the trigger piece 11 on the sliding frame 7 is abutted against the fixed die 3, the trigger piece 11 drives the material receiving plate 9 to slide out of the sliding frame 7 at the moment, and in the process of cleaning the die core of the fixed die 3 by the cleaning brush plate 10 and sliding the material receiving plate 9 out of the sliding frame 7, the driving part 16 drives the ejection mechanism to eject the workpiece positioned in the movable die 2 at the moment, and cooperates with the material receiving plate 9, so that the workpiece blanking is limited, the phenomenon of deviation is avoided when the workpiece blanking is carried out, meanwhile, a certain buffer effect is carried out on the workpiece, the collision condition of the workpiece in the blanking process is reduced, the yield of the workpiece is greatly improved, and the working requirement is met. Therefore, in the stroke of driving the movable die 2 to open by the power cylinder 5, the die core of the fixed die 3 can be cleaned, meanwhile, the receiving plate 9 can be driven to slide out from the interior of the sliding frame 7, in the stroke, the ejection mechanism is driven to eject a formed workpiece by the driving part 16, the receiving plate 9 is matched for blanking, the practicability and the working efficiency of the die are greatly improved, and in the operation process, an independent driving source and a program are not required to be arranged for controlling each operation part independently, so that the die is suitable for being widely popularized and used.
In the embodiment provided by the invention, the trigger piece 11 comprises a first trigger rack 111 which is slidably connected inside the sliding frame 7, a second trigger rack 112 is fixedly connected to the material receiving plate 9, specifically, a connecting plate 91 is fixedly connected to the material receiving plate 9, and the connecting plate 91 is fixedly connected with the second trigger rack 112, so that the stability of the material receiving plate 9 during sliding is improved. Wherein a plurality of groups of mounting springs are arranged between the material receiving plate 9 and the sliding frame 7, wherein the elastic force of the mounting springs drives the material receiving plate 9 to be positioned inside the sliding frame 7. When no external force drives the material receiving plate 9 to be far away from the sliding frame 7, the elasticity of the mounting spring drives the material receiving plate 9 to retract inside the sliding frame 7, so that the stability of the material receiving plate 9 during mounting is improved, and the working requirement is met. Specifically, the engagement mode of the first trigger rack 111 and the second trigger rack 112 is vertical, so as to meet the working requirement. The sliding frame 7 is internally and rotatably connected with a trigger gear 113, the first trigger rack 111 and the second trigger rack 112 are respectively meshed with the trigger gear 113, specifically, the trigger gear 113 is rotatably connected with the sliding frame 7 through a rotating rod 115, and stability of the trigger gear 113 during installation is improved. And a trigger block 114 is fixedly connected to the first trigger rack 111. Therefore, when the die is used, in the stroke of driving the movable die 2 to open by the power cylinder 5, when the intermittent linkage mechanism 19 drives the sliding frame 7 to slide to the side of the fixed die 3, after the triggering block 114 is abutted against the fixed die 3 at the moment, the second triggering rack 112 is driven to slide by the cooperation between the first triggering rack 111 and the triggering gear 113, so that the receiving plate 9 can be driven to slide out of the sliding frame 7.
In the embodiment provided by the invention, the intermittent power mechanism 8 comprises a reciprocating screw rod 81 rotatably connected to the die carrier 1, a threaded sleeve 82 in threaded connection with the reciprocating screw rod 81 is arranged on the sliding frame 7, the intermittent power mechanism further comprises a spur gear 84, the spur gear 84 is arranged on the reciprocating screw rod 81 through an intermittent connecting part 83, a power rack 85 is fixedly connected to the fixing frame 12, and the power rack 85 is meshed with the spur gear 84. The intermittent connection part 83 comprises a connection cylinder, a spur gear 84 is fixedly connected to the connection cylinder, a connecting rod 831 is fixedly connected to the reciprocating screw rod 81, a ratchet 832 is installed on the connecting rod 831 through a base, a torque spring is arranged between the specific ratchet 832 and the base, a tooth socket 833 is arranged on the connection cylinder, and the elasticity of the torque spring drives the ratchet 832 to be clamped in the tooth socket 833. And a limiting unit is arranged between the ratchet 832 and the base, so that the ratchet 832 can only turn over in one direction. In the stroke of driving the movable die 2 to be closed by the power cylinder 5, the power rack 85 is driven to be meshed with the spur gear 84 through the fixing frame 12 at the moment, the arc surface of the tooth slot 833 at the moment is abutted with the arc surface of the ratchet 832 when the spur gear 84 rotates, the ratchet 832 is driven to overturn, the connecting rod 831 cannot be driven to rotate at the moment, and the reciprocating screw rod 81 at the moment cannot rotate. When the power cylinder 5 drives the movable die 2 to open, the power rack 85 drives the spur gear 84 to rotate, the tooth slot 833 is clamped with the ratchet 832 to rotate, and the ratchet 832 drives the connecting rod 831 to rotate, so that the reciprocating screw rod 81 rotates. When the reciprocating screw rod 81 rotates, the sliding frame 7 is driven to slide to one side close to the fixed die 3, so that the cleaning operation of the fixed die 3 is realized, and meanwhile, the workpiece can be conveniently discharged by matching with the ejection mechanism. With the continuous rotation of the reciprocating screw rod 81, the sliding frame 7 is driven to reset, so that the working requirement is met. The length of the reciprocating screw rod 81 and the pitch of the threads on the reciprocating screw rod 81 can be designed according to the working requirement, which is not repeated herein, so that when the power rack 85 drives the spur gear 84 to rotate, the reciprocating screw rod 81 can drive the sliding frame 7 to move back and forth, and the working requirement is met.
In the embodiment provided by the invention, the ejection mechanism comprises an ejection plate 14 which is slidably connected inside the connecting frame 4, a plurality of groups of ejection rods 13 are fixedly connected to the ejection plate 14, the ejection rods 13 are slidably connected with the movable die 2, and a plurality of groups of return springs 15 are further arranged between the ejection plate 14 and the movable die 2. Specifically, an adapting hole adapted to the ejector rod 13 is formed in the movable mold 2. When the workpiece is required to be ejected, the ejector plate 14 drives the ejector rod 13 to slide in the movable die 2, so that the workpiece can be ejected through the ejector rod 13, and the working requirement is met.
In the embodiment provided by the invention, the driving part 16 comprises a first driving rack 161 fixedly connected to the fixing frame 12, a second driving rack 162 is also connected to the die frame 1 in a sliding manner, a driving gear 163 is connected to the die frame 1 in a rotating manner through a driving rod 164, the first driving rack 161 and the second driving rack 162 are respectively meshed with the upper side and the lower side of the driving gear 163, and more specifically, the first driving rack 161 is intermittently meshed with the driving gear 163. That is, when the power cylinder 5 drives the movable die 2 to open, the first driving rack 161 is not engaged with the driving gear 163 at this time, that is, the second driving rack 162 cannot be driven to slide. After the movable mold 2 slides for a certain stroke, the first driving rack 161 is meshed with the driving gear 163 at this moment, so that the second rack can be driven to slide. The first driving rack 161 and the driving gear 163 are intermittently meshed, so that the movable die 2 and the fixed die 3 slide for a certain amount to form and then the demoulding operation is started, and the influence on the demoulding operation of the workpiece due to the too close distance between the movable die 2 and the fixed die 3 is avoided. The second driving rack 162 is fixedly connected with a pressing rod 165, and the pressing rod 165 is abutted against one end of the ejector plate 14 away from the ejector rod 13. Obviously, when the second rack slides, the ejector plate 14 is driven to slide by the pressure-applying rod 165, and the ejector plate 14 drives the ejector rod 13 to slide in the movable die 2, so that the workpiece is ejected by the ejector rod 13, thereby meeting the working requirement.
In the embodiment provided by the invention, the bottom of the die carrier 1 is further provided with a supporting frame 17, and the supporting frame 17 is provided with a conveying component for conveying the workpiece, wherein the specific conveying component is in the prior art and is used for conveying the formed workpiece. The conveying part comprises a plurality of groups of conveying rollers which are rotatably connected to a supporting frame 17, a conveying belt 18 is sleeved between the plurality of groups of conveying rollers, the connecting frame 4 is in transmission connection with one of the conveying rollers through an intermittent linkage mechanism 19, and when the power cylinder 5 drives the movable die 2 to open, the conveying rollers are driven to rotate through the intermittent linkage mechanism 19 for conveying workpieces falling on the conveying belt 18. Therefore, the power source for rotating the conveying belt 18 is still provided by the power cylinder 5, and the conveying belt 18 is conveyed only when the movable die 2 is opened, so that the effect of saving energy consumption can be achieved to a great extent. When the movable die 2 and the fixed die 3 are clamped, the conveyer belt 18 is not driven to rotate reversely, and the practicability of the die is improved.
In the embodiment provided by the invention in which the intermittent linkage 19 comprises a first connecting cylinder 191 fixedly connected to one of the conveyor rolls, the conveyor roll is preferably located on the outermost one of the support frames 17. The first connecting cylinder 191 is provided with a plurality of groups of wedge-shaped grooves 192, and specifically, the wedge-shaped grooves 192 are distributed in a circumferential array by taking the center of the first connecting cylinder 191 as the axis, the first connecting cylinder also comprises a power rod 195 which is rotationally connected to the die carrier 1, a second connecting cylinder 193 is fixedly connected to the power rod 195, a plurality of groups of wedge-shaped blocks 194 are fixedly connected to the second connecting cylinder 193, and each wedge-shaped block 194 is matched with the corresponding wedge-shaped groove 192. And the power rod 195 is slidably connected with the mounting cylinder 197, and when the mounting cylinder 197 rotates, the power rod 195 drives the second connecting cylinder 193 to rotate. And a positioning spring 196 is arranged between the power rod 195 and the mounting cylinder 197, the elastic force of the positioning spring 196 drives each wedge block 194 to be respectively clamped in the corresponding wedge groove 192, the mounting cylinder 197 is provided with a linkage gear 198, and the connecting frame 4 is fixedly connected with a linkage rack 199 meshed with the linkage gear 198. When the movable die 2 and the fixed die 3 are assembled, the linkage rack 199 drives the linkage gear 198 to rotate at the moment, and then the mounting cylinder 197 can be driven to rotate, when the mounting cylinder 197 rotates, the second connecting cylinder 193 can be driven to rotate through the power rod 195, and then the second connecting cylinder 193 can rotate, and at the moment, the second connecting cylinder 193 drives the plurality of groups of wedge blocks 194 to rotate, and because the wedge blocks 194 are abutted with the wedge grooves 192 at the wedge faces, the power rod 195 can be reversely driven to slide in the mounting cylinder 197, and the first connecting cylinder 191 can not be obviously driven to rotate. On the contrary, when movable mould 2 and cover half 3 open the mould, drive the second connecting cylinder 193 through the cooperation between linkage rack 199 and the linkage gear 198 and rotate, the straight flange on wedge 194 on the second connecting cylinder 193 and wedge 192 straight flange butt now can drive first connecting cylinder 191 and rotate, and then can drive the conveying roller and rotate to carry the work piece after processing when making conveyer belt 18 rotate, conveniently the work piece after the shaping is collected and is deposited, greatly improves the practicality of this mould.
In another embodiment provided by the invention, a plurality of groups of blocking elements are further arranged between the movable die 2 and the die frame 1, and by arranging the blocking elements, the movable die 2 can be ensured to slide to a preset position each time and then stop, so that the dimension of the workpiece injected each time is ensured to be consistent, and the working requirement is further met. The blocking piece comprises a base plate 21 which is connected inside the die carrier 1 in a sliding way, a power groove is formed in the base plate 21, a pressing block 20 is fixedly connected to the fixing frame 12, and the pressing block 20 is in intermittent abutting connection with the power groove. Therefore, when the movable die 2 and the fixed die 3 are clamped, the fixed frame 12 drives the pressurizing block 20 to slide at the moment, and the cushion plate 21 is driven to slide out of the die frame 1 through the cooperation between the pressurizing block 20 and the power groove until the movable die 2 is contacted with the cushion plate 21. Therefore, the working requirement can be further met, the sliding position of the movable die 2 is positioned in the error, and the working requirement is met. The transmission between the pressing block 20 and the backing plate 21 is realized when the movable die 2 and the fixed die 3 are clamped, which is an unexpected technical effect. And the connecting spring 22 is arranged between the cushion plate 21 and the die carrier 1 through the convex blocks, and the cushion plate 21 is driven to retract inside the die carrier 1 by the elastic force of the connecting spring 22, so that when the movable die 2 and the fixed die 3 are opened, the connecting spring 22 drives the cushion plate 21 to reset in the process of recovering elastic deformation.
Specifically, the invention also provides an injection molding machine, which comprises the injection molding machine mold clamping device, and the injection molding machine mold clamping device is applicable to the injection molding machine, namely the injection molding machine should have the same effects and is not repeated.
It should be noted that the electric equipment and the external power supply related to the application can be powered by the storage battery.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "configured to," "connected," and the like are to be construed broadly as, for example, "connected" may be fixedly connected, may be detachably connected, or integrally connected, may be mechanically connected or electrically connected, may be directly connected or indirectly connected through an intermediate medium, and may be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
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| CN202411604855.5A CN119283315B (en) | 2024-11-12 | 2024-11-12 | Injection molding machine mold clamping device and injection molding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116001201A (en) * | 2022-12-05 | 2023-04-25 | 大能(南通)机电有限公司 | Temperature-adjustable electromechanical integrated die and use method thereof |
| CN220447147U (en) * | 2023-06-08 | 2024-02-06 | 武汉华丽环保产业有限公司 | Self-cleaning plastic suction mold |
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| DE102020105325B4 (en) * | 2020-02-28 | 2022-01-13 | Peka Spritzguss Gmbh | Injection molding tool and method for injection molding closure parts |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116001201A (en) * | 2022-12-05 | 2023-04-25 | 大能(南通)机电有限公司 | Temperature-adjustable electromechanical integrated die and use method thereof |
| CN220447147U (en) * | 2023-06-08 | 2024-02-06 | 武汉华丽环保产业有限公司 | Self-cleaning plastic suction mold |
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