CN110370570B - A kind of lifting type inclined top core pulling mechanism and inclined top core pulling mold - Google Patents
A kind of lifting type inclined top core pulling mechanism and inclined top core pulling mold Download PDFInfo
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- CN110370570B CN110370570B CN201910784289.3A CN201910784289A CN110370570B CN 110370570 B CN110370570 B CN 110370570B CN 201910784289 A CN201910784289 A CN 201910784289A CN 110370570 B CN110370570 B CN 110370570B
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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
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
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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
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
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- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
本发明提供了一种吊装式斜顶抽芯机构以及斜顶抽芯模具，涉及模具技术领域，该吊装式斜顶抽芯机构包括斜顶机构、安装在定模板上的弹簧组件以及安装在动模板上的连杆机构，弹簧组件与斜顶机构传动连接，连杆机构选择性地抵持在斜顶机构上，且连杆机构上设置有拉钩，拉钩与斜顶机构活动连接，用于在开模时推动斜顶机构远离定模板，并向着脱离斜顶机构的方向运动。相较于现有技术，本发明提供的吊装式斜顶抽芯机构，通过弹簧组件和拉钩共同作用，在开模时推动斜顶机构运动，避免了额外设置复杂的斜顶推动机构，从而大大缩减了定模板的厚度，减小了整体模具的尺寸，降低了模具成本，同时方便运输和加工。
The present invention provides a lifting type inclined top core pulling mechanism and an inclined top core pulling mold, which relate to the mold technology field. The lifting type inclined top core pulling mechanism comprises an inclined top mechanism, a spring assembly installed on a fixed mold plate, and a connecting rod mechanism installed on a movable mold plate. The spring assembly is transmission-connected to the inclined top mechanism, and the connecting rod mechanism selectively abuts against the inclined top mechanism. A draw hook is provided on the connecting rod mechanism, and the draw hook is movably connected to the inclined top mechanism, and is used to push the inclined top mechanism away from the fixed mold plate when the mold is opened, and move in the direction of leaving the inclined top mechanism. Compared with the prior art, the lifting type inclined top core pulling mechanism provided by the present invention, through the joint action of the spring assembly and the draw hook, pushes the inclined top mechanism to move when the mold is opened, avoids the additional setting of a complex inclined top pushing mechanism, thereby greatly reducing the thickness of the fixed mold plate, reducing the size of the overall mold, reducing the mold cost, and facilitating transportation and processing.
Description
Technical Field
The invention relates to the technical field of dies, in particular to a lifting type oblique ejection core-pulling mechanism and an oblique ejection core-pulling die.
Background
When the size of the product (base) is large, the structure is complex, and the functional assembly requirement is high, the periphery of the product needs to be obliquely core-pulled, and the inner back-off structure needs to be an obliquely-pushing and other core-pulling structure. Existing mold designs often require the additional provision of complex pitched roof pushing mechanisms to effect the ejector action of the pitched roof, which undoubtedly increases the thickness of the mold plate, increases the mold size, and results in increased mold costs. In addition, the mold is too large for easy transportation and processing.
Disclosure of Invention
The invention solves the problems that the existing die has a complex structure, causes a bigger size, and can not finish the internal back-off structure of the product in a limited space.
In order to solve the problems, the invention adopts the following technical scheme.
In one aspect, the invention provides a lifting type inclined top core pulling mechanism, which comprises an inclined top mechanism, a spring assembly arranged on a fixed die plate and a connecting rod mechanism arranged on a movable die plate, wherein the spring assembly is in transmission connection with the inclined top mechanism and is used for pushing the inclined top mechanism to be away from the fixed die plate when a die is opened, the connecting rod mechanism is selectively propped against the inclined top mechanism and is used for pushing the inclined top mechanism to be close to the fixed die plate when the die is closed, and a drag hook is arranged on the connecting rod mechanism and is movably connected with the inclined top mechanism and is used for pushing the inclined top mechanism to be away from the fixed die plate when the die is opened and moves towards a direction of separating from the inclined top mechanism.
According to the lifting type inclined ejection core-pulling mechanism, the spring assembly is arranged on the fixed die plate, the inclined ejection mechanism is pushed during die opening through the spring assembly, so that inclined ejection core-pulling action is achieved, meanwhile, the drag hook arranged on the connecting rod mechanism provides auxiliary pushing force to push the inclined ejection mechanism to be far away from the fixed die plate, and therefore stable pushing force is provided for the inclined ejection mechanism, and inclined ejection core-pulling is completed. Compared with the prior art, the lifting type inclined ejection core pulling mechanism provided by the invention pushes the inclined ejection mechanism to move during die opening through the combined action of the spring assembly and the drag hook, so that the complex inclined ejection pushing mechanism is avoided being additionally arranged, the thickness of a fixed die plate is greatly reduced, the size of an integral die is reduced, the die cost is reduced, and meanwhile, the transportation and the processing are convenient.
Further, the oblique jacking mechanism comprises an oblique jacking block, an oblique jacking rod and an oblique jacking pulling plate, one end of the oblique jacking rod is connected with the oblique jacking block, the other end of the oblique jacking rod is connected with the oblique jacking pulling plate, the oblique jacking pulling plate selectively abuts against the connecting rod mechanism, the spring assembly is respectively in transmission connection with the oblique jacking block and the oblique jacking pulling plate, and the drag hook is movably connected with the oblique jacking pulling plate.
According to the lifting type oblique jacking core pulling mechanism, the oblique jacking pulling plate is arranged, so that the drag hook can be movably connected with the oblique jacking pulling plate, and further the pushing force is transmitted to the oblique jacking block, the oblique jacking block is conveniently ejected out, and the spring assembly is in transmission connection with the oblique jacking block and the oblique jacking pulling plate, so that the overall stress of the oblique jacking mechanism is more uniform.
Further, the spring assembly comprises a nitrogen cylinder mechanism and a spring mechanism, the spring mechanism is in transmission connection with the inclined ejector block and used for pushing the inclined ejector block to be away from the fixed die plate when the die is opened, and the nitrogen cylinder mechanism is in transmission connection with the inclined ejector pulling plate and used for pushing the inclined ejector pulling plate to be away from the fixed die plate when the die is opened.
According to the lifting type oblique jacking core pulling mechanism, the oblique jacking block is pushed through the spring mechanism, the oblique jacking pulling plate is pushed through the nitrogen cylinder mechanism, so that the oblique jacking block and the oblique jacking pulling plate are both pushed, the overall stress uniformity is improved, in addition, the pushing force is greatly increased through the double pushing action of the spring mechanism and the nitrogen cylinder mechanism, and the smooth ejection of the oblique jacking block is ensured.
Further, the spring mechanism comprises a spring body, a spring rod and a spring fixing seat, wherein the spring fixing seat is used for being installed on the fixed template, one end of the spring rod is connected with the spring fixing seat, the other end of the spring rod movably stretches into the inclined jacking block, the spring body is sleeved on the spring rod, one end of the spring body abuts against the spring fixing seat, and the other end of the spring body abuts against the inclined jacking block.
According to the lifting type oblique ejection core pulling mechanism, the spring rod is used for guiding, so that the elastic force direction of the spring body applied to the oblique ejection block is controllable and constant, and the smooth ejection of the oblique ejection block along the set direction is ensured.
Further, the nitrogen cylinder mechanism comprises a nitrogen cylinder body, a cylinder fixing seat and a cylinder connecting shaft, wherein the cylinder fixing seat is used for being installed on the fixed die plate, the nitrogen cylinder body is arranged on the cylinder fixing seat, one end of the cylinder connecting shaft stretches into the nitrogen cylinder body, and the other end of the cylinder connecting shaft is connected with the inclined top pulling plate and used for pushing the inclined top pulling plate under the driving of the nitrogen cylinder body.
According to the lifting type oblique ejection core pulling mechanism, the cylinder fixing seat is arranged on the fixed die plate, and the nitrogen cylinder body is arranged on the cylinder fixing seat, so that the nitrogen cylinder body can be exposed, the nitrogen cylinder body is prevented from occupying excessive internal space, and meanwhile, the nitrogen cylinder mechanism is convenient to maintain and replace.
Further, the oblique top pulling plate comprises a connecting part and a driving part which are integrally arranged, the connecting part and the driving part are arranged in a bending way, the connecting part is connected with the oblique top rod, the driving part is connected with the nitrogen cylinder mechanism, and the drag hook is movably connected with the driving part.
According to the lifting type oblique ejector core pulling mechanism, the connecting part and the driving part are arranged in a bending way, meanwhile, the drag hook is connected with the driving part, and the driving part is connected with the nitrogen cylinder, so that the nitrogen cylinder mechanism and the drag hook can directly apply force on the driving part, the pushing effect is guaranteed, meanwhile, the connecting part is connected with the oblique ejector rod, the pushing force applied by the drag hook and the nitrogen cylinder mechanism can be transmitted to the oblique ejector rod and pushes the oblique ejector block, and finally smooth ejection of the oblique ejector block is realized.
Further, a hook groove for accommodating a draw hook is formed in the inclined top pulling plate, and the draw hook is used for extending into the hook groove and pushing the inclined top pulling plate to be far away from the fixed die plate when the die is opened, and moves towards the direction of being separated from the hook groove.
According to the lifting type oblique top core pulling mechanism, through the cooperation of the draw hook and the hook groove, the oblique top pulling plate is pushed to move, and meanwhile, the draw hook is gradually separated from the hook groove in the pushing process, so that the movable die plate and the oblique top pulling plate are unhooked, and the connecting rod mechanism is further away from the fixed die plate under the driving of the movable die plate, so that the oblique top block can conveniently complete the core pulling action.
Further, one side of the draw hook is provided with a hook tooth, the hook tooth is matched with the hook groove and props against the inclined top pulling plate, the bottom of the hook tooth is provided with a pushing and propping surface, and the bottom of the hook groove is provided with a pushing and stopping surface for propping against the pushing and propping surface.
According to the lifting type oblique top core pulling mechanism, the pushing supporting surface and the pushing stopping surface are mutually supported, so that power transmission of the drag hook is realized, and meanwhile, the pushing supporting surface and the pushing stopping surface can be separated from each other in the motion process of the drag hook, so that power separation between the drag hook and the oblique top pulling plate is realized.
Further, the lifting type oblique jacking core pulling mechanism further comprises a limiting hook arranged on the fixed die plate, a limiting groove is formed in the oblique jacking pulling plate, and the limiting hook is partially accommodated in the limiting groove and used for limiting the oblique jacking pulling plate.
According to the lifting type oblique top core pulling mechanism, the limiting hooks and the limiting grooves are arranged, so that the limit of the oblique top pulling plate is realized.
Further, the limit hook comprises a connecting seat and limit teeth which are integrally arranged, the connecting seat is used for being arranged on the fixed die plate, the limit teeth are movably accommodated in the limit grooves, the top of each limit tooth is provided with a limit abutting surface, and the top of each limit groove is provided with a limit stop surface for abutting against the limit abutting surface.
Further, the lifting type oblique ejection core pulling mechanism further comprises an oblique ejection guiding mechanism, the oblique ejection guiding mechanism comprises a fixed guiding block and a movable guiding block, the fixed guiding block is arranged on the fixed template, the movable guiding block is arranged on the oblique ejection block, and the fixed guiding block and the movable guiding block are mutually matched, so that the oblique ejection block moves along the extending direction of the fixed guiding block.
According to the lifting type oblique jacking core pulling mechanism, the fixed guide block is arranged on the fixed die plate, the movable guide block is arranged on the oblique jacking block, and the fixed guide block and the movable guide block are mutually matched, so that the guiding effect of the oblique jacking block is realized, and the oblique jacking block is ensured to move along the set direction.
Further, the connecting rod mechanism comprises a connecting rod body and a connecting column, wherein the connecting rod body is used for propping against the inclined pushing mechanism, one end of the connecting column is connected with the connecting rod body, and the other end of the connecting column is used for connecting the movable template.
According to the lifting type oblique ejection core pulling mechanism, the connecting column is arranged, so that pulling and supporting functions are achieved, and the transmission of pulling force is facilitated.
In another aspect, the invention provides an oblique-ejection core-pulling mold, which comprises a movable mold plate, a fixed mold plate and a lifting type oblique-ejection core-pulling mechanism, wherein the lifting type oblique-ejection core-pulling mechanism comprises an oblique-ejection mechanism, a spring assembly arranged on the fixed mold plate and a connecting rod mechanism arranged on the movable mold plate, the spring assembly is in transmission connection with the oblique-ejection mechanism and used for pushing the oblique-ejection mechanism to be far away from the fixed mold plate when the mold is opened, the connecting rod mechanism is selectively propped against the oblique-ejection mechanism and used for pushing the oblique-ejection mechanism to be close to the fixed mold plate when the mold is closed, a drag hook is arranged on the connecting rod mechanism, and the drag hook is movably connected with the oblique-ejection mechanism and used for pushing the oblique-ejection mechanism to be far away from the fixed mold plate when the mold is opened and moves towards a direction of separating from the oblique-ejection mechanism.
According to the inclined ejection core-pulling mold provided by the invention, the spring assembly is arranged on the fixed template, the connecting rod mechanism is arranged on the movable template, the drag hook movably connected with the inclined ejection mechanism is arranged on the connecting rod mechanism, when the mold is opened, the spring assembly pushes the inclined ejection mechanism to move, the drag hook also pushes the inclined ejection mechanism to move in the same direction, the inclined ejection mechanism can be smoothly ejected and core-pulling action is completed under the combined pushing action of the spring assembly and the drag hook, and the additional arrangement of a complex inclined ejection pushing mechanism is avoided, so that the thickness of the fixed template is greatly reduced, the size of the whole mold is reduced, the mold cost is reduced, and meanwhile, the mold is convenient to transport and process.
Drawings
Fig. 1 is a schematic structural diagram of an oblique top core-pulling mold provided by the invention under a first view angle;
Fig. 2 is a schematic structural diagram of the pitched roof core-pulling mold provided by the invention under a second view angle;
FIG. 3 is a schematic diagram of an assembly structure of the lifting type oblique ejection core pulling mechanism and the movable template in FIG. 1;
FIG. 4 is a schematic diagram of the overall structure of the lifting type oblique top core pulling mechanism in FIG. 1;
FIG. 5 is a schematic diagram of an exploded structure of the lifting type oblique top core pulling mechanism in FIG. 1;
FIG. 6 is a schematic view of a first cross-sectional structure of the obliquely ejecting core-pulling mold in a mold closing state;
Fig. 7 is a schematic view of a first cross-sectional structure of the inclined ejector core-pulling mold provided by the invention in an open mold state;
FIG. 8 is a schematic view of a partial structure of the lifting type oblique top core pulling mechanism in FIG. 3;
FIG. 9 is a schematic diagram of a second cross-sectional structure of the inclined ejector core-pulling mold in a mold clamping state;
fig. 10 is a schematic diagram of a second cross-sectional structure of the inclined ejector core-pulling mold provided by the invention in an open mold state;
FIG. 11 is an enlarged partial schematic view of XI in FIG. 9;
FIG. 12 is an enlarged partial schematic view of XII in FIG. 10;
Fig. 13 is a schematic view of a partial structure of the lifting type oblique top core pulling mechanism in fig. 9.
Reference numerals illustrate:
10-obliquely ejecting a core-pulling mold; 100-hoisting type oblique ejection core pulling mechanism; 110-a pitched roof mechanism; 111-oblique jacking blocks; 1111-pitched roof assembly slots; 1113-guide block receiving slot; 113-inclined ejector rod; 115-oblique top pulling plate; 1151-a connection; 1153-a driving part; 130-a spring assembly; 131-a nitrogen cylinder mechanism; 1311-nitrogen cylinder body; 1313-cylinder mount; 1315-cylinder connecting shaft; 133-a spring mechanism; 1331-a spring body; 1333-spring bars; 1335-spring holder; 1337-briquetting; 150-a linkage mechanism; 151-a connecting rod body; 153-connecting column; 155-abutting the boss; 170-a pitched roof guide mechanism; 171-positioning a guide block; 173-moving the guide block; 180-limiting hooks; 181-limit grooves; 183-connecting seats; 185-limit teeth; 190-drag hook; 191-hooking groove; 193-hook tooth; 200-moving a template; 300-fixed template.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
Examples
Referring to fig. 1 to 7 in combination, the present embodiment provides an oblique ejection core pulling mold 10, which avoids the additional arrangement of a complex oblique ejection pushing mechanism, thereby greatly reducing the thickness of the fixed mold plate 300, reducing the size of the entire mold, reducing the mold cost, and simultaneously facilitating transportation and processing.
The core-pulling mold 10 for the pitched roof provided in this embodiment includes a movable mold plate 200, a fixed mold plate 300 and a lifting type core-pulling mechanism 100, the lifting type core-pulling mechanism 100 includes a pitched roof mechanism 110, a spring assembly 130, a link mechanism 150 and a pitched roof guiding mechanism 170, the spring assembly 130 is installed on the fixed mold plate 300 and is in transmission connection with the pitched roof mechanism 110, and is used for pushing the pitched roof mechanism 110 to be away from the fixed mold plate 300 when the mold is opened, the link mechanism 150 is installed on the movable mold plate 200 and selectively abuts against the pitched roof mechanism 110, and is used for pushing the pitched roof mechanism 110 to be close to the fixed mold plate 300 when the mold is closed, and a drag hook 190 is arranged on the link mechanism 150, and the drag hook 190 is movably connected with the pitched roof mechanism 110, and is used for pushing the pitched roof mechanism 110 to be away from the fixed mold plate 300 when the mold is opened, and moves towards a direction separating from the pitched roof mechanism 110.
According to the lifting type pitched roof core pulling mechanism 100 provided by the invention, the spring assembly 130 is arranged on the fixed die plate 300, the pitched roof mechanism 110 is pushed by the spring assembly 130 during die opening, so that the pitched roof core pulling action is realized, and meanwhile, the pitched roof mechanism 110 is pushed to be far away from the fixed die plate 300 by providing auxiliary pushing force through the drag hook 190 arranged on the connecting rod mechanism 150, so that stable pushing force is provided for the pitched roof mechanism 110, and the pitched roof core pulling is completed. Through spring assembly 130 and drag hook 190 combined action, promote to push up mechanism 110 motion to one side when the die sinking has avoided additionally setting up complicated pushing mechanism to pushing away to one side to the thickness of fixed die plate 300 has been reduced greatly, has reduced the size of whole mould, has reduced the mould cost, convenient transportation and processing simultaneously. The tilt head guide mechanism 170 is connected to the tilt head mechanism 110 for defining a movement direction of the tilt head mechanism 110.
It should be noted that, during mold opening, the movable mold plate 200 moves vertically downward, the pitched roof mechanism 110 is ejected obliquely downward, the drag hook 190 moves vertically downward along with the movable mold plate 200, and along with the increase of the mold opening distance, the drag hook 190 can disengage from the pitched roof mechanism 110, so that the movable mold plate 200 can move downward continuously without driving the pitched roof mechanism 110 to move.
The inclined top mechanism 110 comprises an inclined top block 111, an inclined top rod 113 and an inclined top pulling plate 115, one end of the inclined top rod 113 is connected with the inclined top block 111, the other end of the inclined top rod 113 is connected with the inclined top pulling plate 115, the inclined top pulling plate 115 selectively abuts against the link mechanism 150, a spring assembly is respectively in transmission connection with the inclined top block 111 and the inclined top pulling plate 115, and the drag hook 190 is movably connected with the inclined top pulling plate 115. Through setting up to push up arm-tie 115 to one side for drag hook 190 can with push up arm-tie 115 swing joint to one side, and then with the driving force transmission to push up piece 111 to one side, conveniently push out to one side, and spring assembly is connected with push up piece 111 to one side and push up arm-tie 115 transmission to one side, makes the whole atress of push up mechanism 110 to one side more even.
In this embodiment, the inclined ejector rod 113 is connected with the inclined ejector block 111 by bolts, the inclined ejector block 111 is provided with an inclined ejector assembly groove 1111, the bottom shape of the inclined ejector rod 113 is matched with the shape of the inclined ejector assembly groove 1111, and when in assembly, the bottom end of the inclined ejector rod 113 is firstly inserted into the inclined ejector assembly groove 1111, and then screws are assembled, so that the inclined ejector rod 113 is fixed on the inclined ejector block 111.
The tilt head guide mechanism 170 includes a fixed guide block 171 and a movable guide block 173, the fixed guide block 171 is disposed on the fixed platen 300, the movable guide block 173 is disposed on the tilt head block 111, and the fixed guide block 171 and the movable guide block 173 are mutually engaged to move the tilt head block 111 in the extending direction of the fixed guide block 171. By arranging the fixed guide block 171 on the fixed die plate 300 and arranging the movable guide block 173 on the inclined top block 111, the fixed guide block 171 and the movable guide block 173 are mutually matched, so that the guiding function of the inclined top block 111 is realized, and the inclined top block 111 is ensured to move along the set direction.
In this embodiment, the inclined top block 111 is provided with a guide block accommodating groove 1113, the fixed guide block 171 is fixedly arranged on the fixed mold 300 through a bolt and slidingly accommodated in the guide block accommodating groove 1113, one side of the fixed guide block 171 is provided with a guide convex strip, the movable guide block 173 is accommodated in the guide block accommodating groove 1113 and is fixedly arranged on the inclined top block 111 through a bolt, and the movable guide block 173 and the fixed guide block 171 are mutually buckled and slidingly abutted on the guide convex strip. When the inclined top block 111 moves, the fixed guide block 171 is not moved, and the movable guide block 173 follows the inclined top block 111 and moves along the extending direction of the guide convex strips, thereby realizing the guiding function of the moving direction of the inclined top block 111.
The spring assembly comprises a nitrogen cylinder mechanism 131 and a spring mechanism 133, wherein the spring mechanism 133 is in transmission connection with the inclined ejector block 111 and is used for pushing the inclined ejector block 111 away from the fixed die plate 300 during die sinking, and the nitrogen cylinder mechanism 131 is in transmission connection with the inclined ejector pull plate 115 and is used for pushing the inclined ejector pull plate 115 away from the fixed die plate 300 during die sinking. The oblique jacking block 111 is pushed by the spring mechanism 133, the oblique jacking pull plate 115 is pushed by the nitrogen cylinder mechanism 131, so that the oblique jacking block 111 and the oblique jacking pull plate 115 are both pushed by the pushing force, the overall stress uniformity is improved, in addition, the pushing force is greatly increased by the double pushing action of the spring mechanism 133 and the nitrogen cylinder mechanism 131, and the smooth ejection of the oblique jacking block 111 is ensured.
It should be noted that, in the mold opening process, under the pushing of the triple acting forces of the spring mechanism 133, the nitrogen cylinder mechanism 131 and the draw hook 190, the inclined top block 111 can be ejected out along the predetermined direction, wherein the nitrogen cylinder mechanism 131 plays a main pushing role, the draw hook 190 and the spring mechanism 133 play an auxiliary pushing role, and the inclined top block 111 with a larger size can be ejected out smoothly.
In this embodiment, the two inclined ejector rods 113, the two inclined ejector pull plates 115, the nitrogen cylinder mechanisms 131 and the spring mechanisms 133 are two, the two inclined ejector rods 113 are respectively arranged at two ends of the inclined ejector block 111, the two inclined ejector pull plates 115 are respectively connected with the two inclined ejector rods 113, and the two spring mechanisms 133 respectively support two ends of the inclined ejector block 111 and are symmetrical to each other, so that the inclined ejector block 111 can be uniformly stressed, and the two nitrogen cylinder mechanisms 131 are respectively in transmission connection with the two inclined ejector pull plates 115. Meanwhile, the number of the connecting rod mechanisms 150 and the drag hooks 190 is two, and the two connecting rod mechanisms 150 are respectively arranged opposite to the two inclined top pulling plates 115 and selectively propped against the bottoms of the two inclined top pulling plates 115. The present embodiment is described with the structure of one side of the inclined top block 111, and the other side is identical and symmetrically arranged.
The link mechanism 150 includes a link body 151 and a connecting column 153, wherein the link body 151 is used for being propped against the pitched roof mechanism 110, one end of the connecting column 153 is connected with the link body 151, and the other end is used for being connected with the movable die plate 200. By arranging the connecting column 153, the pulling and supporting functions are achieved, and the transmission of pulling force is facilitated.
In this embodiment, one end of the connecting rod body 151 is fixed on the movable mold insert through a bolt, the movable mold insert is fixed on the movable mold plate 200, the other end is matched with the connecting column 153, and the connecting column 153 and the connecting rod body 151 are fixed on a device through a bolt, so that the functions of pulling and supporting are achieved.
Referring to fig. 8 to 10, the spring mechanism 133 includes a spring body 1331, a spring rod 1333 and a spring fixing seat 1335, the spring fixing seat 1335 is used for being installed on the fixed die plate 300, one end of the spring rod 1333 is connected with the spring fixing seat 1335, the other end of the spring rod 1333 movably extends into the inclined top block 111, the spring body 1331 is sleeved on the spring rod 1333, one end of the spring body 1331 abuts against the spring fixing seat 1335, and the other end abuts against the inclined top block 111. The spring body 1331 is a pre-compressed spring and is guided by the spring rod 1333, so that the elastic force direction of the spring body 1331 applied to the inclined ejection block 111 is controllable and constant, and the inclined ejection block 111 is ensured to be ejected smoothly along the set direction.
In this embodiment, the inclined top block 111 is provided with a guiding hole, one end of the spring rod 1333 is fixedly connected with the spring fixing seat 1335, and the other end of the spring rod extends into the guiding hole, so that the spring is guided and limited. Specifically, the guide hole is of a counter bore structure, and the lower portion of the spring body 1331 is surrounded around the guide hole, thereby applying an urging force to the inclined top block 111. And the extending direction of the spring rod 1333 is consistent with the moving direction of the inclined ejection block 111, and a certain included angle exists between the extending direction and the vertical direction, so that the inclined ejection block 111 can be ejected obliquely.
In this embodiment, a pressing block 1337 is further disposed above the spring fixing seat 1335, and the pressing block 1337 is pressed on the end portion of the obliquely-pushing pull plate 115, so that the limiting effect with the obliquely-pushing pull plate 115 can be achieved. In addition, the end part of the inclined top pulling plate 115 propped against the pressing block 1337 is fixedly provided with a wear-resistant block, the wear-resistant block is propped against the side surface of the pressing block 1337, and the inclined top pulling plate 115 plays a role in buffering when the inclined top pulling plate 115 and the pressing block 1337 move relatively, so that the inclined top pulling plate 115 is prevented from being directly worn.
In this embodiment, the spring fixing seat 1335 is provided with a plurality of screw holes, and the spring fixing seat 1335 is fixed on the fixed platen 300 by bolts.
The nitrogen cylinder mechanism 131 comprises a nitrogen cylinder body 1311, a cylinder fixing seat 1313 and a cylinder connecting shaft 1315, wherein the cylinder fixing seat 1313 is used for being installed on the fixed template 300, the nitrogen cylinder body 1311 is arranged on the cylinder fixing seat 1313, one end of the cylinder connecting shaft 1315 extends into the nitrogen cylinder body 1311, and the other end of the cylinder connecting shaft 1315 is connected with the inclined top pulling plate 115 and used for pushing the inclined top pulling plate 115 under the driving of the nitrogen cylinder body 1311. Install cylinder fixing base 1313 on fixed template 300, nitrogen gas jar body 1311 sets up on cylinder fixing base 1313 for nitrogen gas jar body 1311 can expose, avoids nitrogen gas jar body 1311 to occupy too much inner space, makes things convenient for the maintenance and the change of nitrogen gas jar mechanism 131 simultaneously.
In this embodiment, the cylinder fixing seat 1313 is fixedly disposed on the fixed platen 300 by bolts, specifically, the upper side of the fixed platen 300 is provided with a mounting groove, the cylinder fixing seat 1313 and the inclined top pulling plate 115 are both accommodated in the mounting groove, and the cylinder fixing seat 1313 and the fixed platen 300 are kept relatively fixed, the inclined top pulling plate 115 can extend downwards into the fixed platen 300 along the mounting groove, the nitrogen cylinder body 1311 is fixed on the cylinder fixing seat 1313 by bolts in a detachable manner, and the nitrogen cylinder body is convexly disposed on the upper surface of the fixed platen 300, so that replacement and maintenance are facilitated.
In this embodiment, the cylinder fixing base 1313 has a slot which is obliquely arranged, and one end of the inclined pull plate 115 movably extends into the slot and is connected with the cylinder connecting shaft 1315, and the inclined pull plate 115 moves obliquely downward and downward along the slot under the pushing of the cylinder connecting shaft 1315.
The oblique top pulling plate 115 comprises a connecting part 1151 and a driving part 1153 which are integrally arranged, the connecting part 1151 and the driving part 1153 are arranged in a bending way, the connecting part 1151 is connected with the oblique top rod 113, the driving part 1153 is connected with the nitrogen cylinder mechanism 131, and the draw hook 190 is movably connected with the driving part 1153. Specifically, the connection portion 1151 is horizontally disposed, the driving portion 1153 is disposed obliquely downward and is consistent with the movement direction of the inclined ejector block 111, a 7-shaped connection portion 1151 is formed between the connection portion 1151 and the driving portion 1153, and one end of the connection portion 1151 away from the driving portion 1153 is fixed to the end of the inclined ejector rod 113 through a pull plate screw. Both the nitrogen cylinder mechanism 131 and the drag hook 190 can directly apply force on the driving part 1153 to ensure the pushing effect, meanwhile, the connecting part 1151 is connected with the inclined ejector rod 113, and can transmit the pushing force applied by the drag hook 190 and the nitrogen cylinder mechanism 131 to the inclined ejector rod 113 and push the inclined ejector block 111, so that the smooth ejection of the inclined ejector block 111 is finally realized.
In this embodiment, a positioning opening is further formed at one end of the connecting portion 1151 away from the driving portion 1153, the top end shape of the inclined ejector rod 113 is matched with the shape of the positioning opening, when assembling, the end of the inclined ejector rod 113 is first inserted into the positioning opening, and then the inclined ejector rod 113 sequentially passes through the connecting portion 1151 and the inclined ejector rod 113 through the pull plate screw, so that the inclined ejector rod 113 and the connecting portion 1151 are relatively fixed.
In this embodiment, the bottom of the driving part 1153 is further provided with a wear-resistant cap, and the wear-resistant cap is fixed to the bottom of the driving part 1153 by a bolt, and the link mechanism 150 abuts against the wear-resistant cap during mold closing, so that the inclined top pulling plate 115 is abutted against and moved in a direction approaching to the fixed mold plate 300, and mold closing operation is achieved.
In this embodiment, the middle part of the connecting rod body 151 has a supporting boss 155, and the supporting boss 155 is provided with a supporting plane obliquely arranged on the supporting plane, and the supporting plane is supported on the wear-resistant cap of the inclined top pulling plate 115 during mold closing, so as to push the inclined top pulling plate 115 to move towards the direction approaching to the fixed mold plate 300.
Referring to fig. 11 to 13 in combination, the inclined top pulling plate 115 is provided with a hook groove 191 for accommodating the draw hook 190, and the draw hook 190 is used for extending into the hook groove 191 and pushing the inclined top pulling plate 115 away from the fixed die plate 300 and moving in a direction of separating from the hook groove 191 when the die is opened. Specifically, the drag hook 190 is fixed on the link mechanism 150 through bolts, and the cooperation of the drag hook 190 and the hook slot 191 is utilized to push the inclined top pulling plate 115 to move, and meanwhile, the drag hook 190 is gradually separated from the hook slot 191 in the pushing process, so that the movable mold plate 200 and the inclined top pulling plate 115 are unhooked, and the link mechanism 150 is further far away from the fixed mold plate 300 under the driving of the movable mold plate 200, so that the inclined top block 111 can conveniently complete the core pulling action.
In this embodiment, a hook tooth 193 is disposed on one side of the draw hook 190, the hook tooth 193 is matched with the hook groove 191 and abuts against the inclined top pulling plate 115, the bottom of the hook tooth 193 has a pushing abutment surface, and the bottom of the hook groove 191 has a pushing stop surface for abutting against the pushing abutment surface. The pushing and holding surface and the pushing and holding surface are mutually abutted, so that the power transmission of the drag hook 190 is realized, and meanwhile, the pushing and holding surface and the pushing and holding surface can be separated from each other in the motion process of the drag hook 190, so that the power separation between the drag hook 190 and the oblique top pulling plate 115 is realized.
In this embodiment, the fixed mold plate 300 is further provided with a limiting hook 180, and the inclined top pulling plate 115 is provided with a limiting groove 181, and a portion of the limiting hook 180 is accommodated in the limiting groove 181 for limiting the inclined top pulling plate 115. By arranging the limit hooks 180 and the limit grooves 181, the limit of the inclined top pulling plate 115 is realized.
The limit hook 180 comprises a connecting seat 183 and limit teeth 185 which are integrally arranged, the connecting seat 183 is arranged on the fixed die plate 300, the limit teeth 185 are movably accommodated in the limit grooves 181, the top of the limit teeth 185 are provided with limit abutting surfaces, and the top of the limit grooves 181 are provided with limit stop surfaces which are used for abutting against the limit abutting surfaces. Specifically, the connecting base 183 is fixed to the stationary platen 300 by bolts.
It should be noted that, in this embodiment, the depth of the hook slot 191 needs to be matched with the size of the hook tooth 193, so that the hook tooth 193 can fully extend into the hook slot 191 and abut against the bottom wall of the hook slot 191 during mold closing, and in addition, the depth of the hook slot 191 needs to be matched with the length of the limit slot 181, so that the hook tooth 193 can be separated from the hook slot 191 before the limit hook 180 plays a limiting role. Specifically, the maximum depth of the hook teeth 193 extending into the hook groove 191 is 3cm, and the length of the limit groove 181 is 20cm. Of course, the depth of the hook groove 191 and the length of the limit groove 181 are not limited to the dimensions listed herein, but may be other suitable dimensions, and are not specifically limited herein.
In the present embodiment, the hook groove 191 and the limit groove 181 are formed on two opposite sides of the driving portion 1153, but the present invention is not limited thereto, and the limit groove 181 may be formed on a side adjacent to the hook groove 191 or on the connecting portion 1151, and the position of the limit hook 180 is adaptively changed at this time, and the position of the limit groove 181 is not particularly limited as long as the limit function on the tilt head plate 115 can be performed.
In summary, in the lifting type oblique top core pulling mechanism 100 provided in this embodiment, the spring body 1331 is in a compressed state when the clamping state is achieved, and the draw hook 190 extends into the hook groove 191. When the mold is opened, the fixed mold plate 300 is fixed, the movable mold plate 200 moves downwards along the vertical direction, the link mechanism 150 is driven to move, the draw hook 190 is driven to move downwards, and the draw hook 190 pulls the inclined top pulling plate 115 to move. Simultaneously, the nitrogen cylinder mechanism 131 pushes the inclined top pulling plate 115 to move through the cylinder connecting shaft 1315, and transmits the pushing force to the inclined top block 111, and the inclined top block 111 is directly pushed by the combined spring mechanism 133, so that the inclined top block 111 moves in a set direction under the guiding action of the inclined top guiding mechanism 170, when the top of the limit groove 181 on the inclined top pulling plate 115 is propped against the limit hook 180, the inclined top mechanism 110 stops moving, and at the moment, the drag hook 190 is separated from the hook groove 191, so that the drag hook 190 and the inclined top pulling plate 115 are mutually separated, and inclined top core pulling is completed. The lifting type oblique ejection core pulling mechanism 100 provided by the embodiment provides triple pushing forces through the spring mechanism 133, the nitrogen cylinder mechanism 131 and the drag hook 190, so that the oblique ejection block 111 is ejected smoothly, the complex ejection mechanism is prevented from being additionally arranged on the fixed die plate 300, the die size is saved, the limited die space can be flexibly utilized, and the die cost is reduced. Meanwhile, the lifting type oblique ejection core pulling mechanism 100 provided by the embodiment has the advantages of stable movement, high control precision, good stability, compact structure, simplicity in processing and capability of rapidly manufacturing spare parts.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention should be assessed accordingly to that of the appended claims.
Claims (11)
1. The lifting type inclined top core pulling mechanism is characterized by comprising an inclined top mechanism (110), a spring assembly (130) arranged on a fixed die plate (300) and a connecting rod mechanism (150) arranged on a movable die plate (200), wherein the spring assembly (130) is in transmission connection with the inclined top mechanism (110) and is used for pushing the inclined top mechanism (110) to be away from the fixed die plate (300) when a die is opened, the connecting rod mechanism (150) is selectively propped against the inclined top mechanism (110) and is used for pushing the inclined top mechanism (110) to be close to the fixed die plate (300) when the die is closed, a draw hook (190) is arranged on the connecting rod mechanism (150), and the draw hook (190) is movably connected with the inclined top mechanism (110) and is used for pushing the inclined top mechanism (110) to be away from the fixed die plate (300) and to move in a direction of being separated from the inclined top mechanism (110) when the die is opened;
The connecting rod mechanism (150) comprises a connecting rod body (151) and a connecting column (153), wherein the connecting rod body (151) is used for propping against the inclined ejection mechanism (110), one end of the connecting column (153) is connected with the connecting rod body (151), and the other end of the connecting column is used for connecting the movable template (200);
The oblique jacking mechanism (110) comprises an oblique jacking block (111), an oblique jacking rod (113) and an oblique jacking pull plate (115), one end of the oblique jacking rod (113) is connected with the oblique jacking block (111), the other end of the oblique jacking rod (113) is connected with the oblique jacking pull plate (115), the oblique jacking pull plate (115) is selectively propped against the connecting rod mechanism (150), the spring assembly is respectively connected with the oblique jacking block (111) and the oblique jacking pull plate (115) in a transmission mode, and the drag hook (190) is movably connected with the oblique jacking pull plate (115).
2. The lifting type pitched roof core pulling mechanism according to claim 1, wherein the spring assembly (130) comprises a nitrogen cylinder mechanism (131) and a spring mechanism (133), the spring mechanism (133) is in transmission connection with the pitched roof block (111) and is used for pushing the pitched roof block (111) away from the fixed die plate (300) when the die is opened, and the nitrogen cylinder mechanism (131) is in transmission connection with the pitched roof pulling plate (115) and is used for pushing the pitched roof pulling plate (115) away from the fixed die plate (300) when the die is opened.
3. The lifting type pitched roof core pulling mechanism according to claim 2, wherein the spring mechanism (133) comprises a spring body (1331), a spring rod (1333) and a spring fixing seat (1335), the spring fixing seat (1335) is used for being installed on the fixed die plate (300), one end of the spring rod (1333) is connected with the spring fixing seat (1335), the other end of the spring rod movably stretches into the pitched roof block (111), the spring body (1331) is sleeved on the spring rod (1333), one end of the spring body (1331) abuts against the spring fixing seat (1335), and the other end of the spring body abuts against the pitched roof block (111).
4. The lifting type oblique top core pulling mechanism according to claim 2, wherein the nitrogen cylinder mechanism (131) comprises a nitrogen cylinder body (1311), a cylinder fixing seat (1313) and a cylinder connecting shaft (1315), the cylinder fixing seat (1313) is used for being installed on the fixed die plate (300), the nitrogen cylinder body (1311) is arranged on the cylinder fixing seat (1313), one end of the cylinder connecting shaft (1315) stretches into the nitrogen cylinder body (1311), and the other end of the cylinder connecting shaft is connected with the oblique top pulling plate (115) and used for pushing the oblique top pulling plate (115) under the driving of the nitrogen cylinder body (1311).
5. The lifting type oblique top core pulling mechanism according to claim 2, wherein the oblique top pulling plate (115) comprises a connecting portion (1151) and a driving portion (1153) which are integrally arranged, the connecting portion (1151) and the driving portion (1153) are arranged in a bending manner, the connecting portion (1151) is connected with the oblique top rod (113), the driving portion (1153) is connected with the nitrogen cylinder mechanism (131), and the drag hook (190) is movably connected with the driving portion (1153).
6. The lifting type pitched roof core pulling mechanism according to claim 1 or 5, wherein a hook groove (191) for accommodating the draw hook (190) is formed in the pitched roof pulling plate (115), and the draw hook (190) is used for extending into the hook groove (191) and pushing the pitched roof pulling plate (115) away from the fixed die plate (300) when the die is opened, and moves towards a direction of being separated from the hook groove (191).
7. The lifting type oblique top core pulling mechanism according to claim 6, wherein one side of the draw hook (190) is provided with a hook tooth (193), the hook tooth (193) is matched with the hook groove (191) and abuts against the oblique top pulling plate (115), the bottom of the hook tooth (193) is provided with a pushing abutting surface, and the bottom of the hook groove (191) is provided with a pushing stop surface for abutting against the pushing abutting surface.
8. The lifting type oblique top core pulling mechanism according to claim 1 or 5, further comprising a limiting hook (180) arranged on the fixed die plate (300), wherein a limiting groove (181) is formed in the oblique top pulling plate (115), and the limiting hook (180) is partially accommodated in the limiting groove (181) and used for limiting the oblique top pulling plate (115).
9. The lifting type pitched roof core pulling mechanism according to claim 8, wherein the limiting hook (180) comprises a connecting seat (183) and limiting teeth (185) which are integrally arranged, the connecting seat (183) is used for being arranged on the fixed die plate (300), the limiting teeth (185) are movably accommodated in the limiting grooves (181), the top of the limiting teeth (185) is provided with a limiting abutting surface, and the top of the limiting grooves (181) is provided with a limiting stop surface for abutting against the limiting abutting surface.
10. The lifting type oblique top core pulling mechanism according to claim 1, further comprising an oblique top guiding mechanism (170), wherein the oblique top guiding mechanism (170) comprises a fixed guiding block (171) and a movable guiding block (173), the fixed guiding block (171) is arranged on the fixed die plate (300), the movable guiding block (173) is arranged on the oblique top block (111), and the fixed guiding block (171) and the movable guiding block (173) are mutually matched so that the oblique top block (111) moves along the extending direction of the fixed guiding block (171).
11. A core-pulling die (10) for a lifter, comprising a movable die plate (200), a fixed die plate (300) and a lifting type lifter core-pulling mechanism as claimed in any one of claims 1 to 10, wherein the spring assembly (130) is mounted on the fixed die plate (300), and the link mechanism (150) is mounted on the movable die plate (200).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910784289.3A CN110370570B (en) | 2019-08-21 | 2019-08-21 | A kind of lifting type inclined top core pulling mechanism and inclined top core pulling mold |
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| CN201910784289.3A CN110370570B (en) | 2019-08-21 | 2019-08-21 | A kind of lifting type inclined top core pulling mechanism and inclined top core pulling mold |
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| CN201910784289.3A Active CN110370570B (en) | 2019-08-21 | 2019-08-21 | A kind of lifting type inclined top core pulling mechanism and inclined top core pulling mold |
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| CN113146967A (en) * | 2021-05-28 | 2021-07-23 | 河源金三维智造有限公司 | Core pulling device and method for simple front mold inclined top mold |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203401700U (en) * | 2013-08-09 | 2014-01-22 | 深圳Tcl新技术有限公司 | Injection mold |
| CN210436540U (en) * | 2019-08-21 | 2020-05-01 | 宁波奥克斯电气股份有限公司 | A hoisting inclined roof core-pulling mechanism and a inclined-roof core-pulling mold |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8371150B2 (en) * | 2010-11-09 | 2013-02-12 | Cheng Uei Precision Industry Co., Ltd. | Forming die |
| CN108943611A (en) * | 2018-09-28 | 2018-12-07 | 奥克斯空调股份有限公司 | A kind of inclined-tip core mechanism and injection mold |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203401700U (en) * | 2013-08-09 | 2014-01-22 | 深圳Tcl新技术有限公司 | Injection mold |
| CN210436540U (en) * | 2019-08-21 | 2020-05-01 | 宁波奥克斯电气股份有限公司 | A hoisting inclined roof core-pulling mechanism and a inclined-roof core-pulling mold |
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Address after: 315191 No. 1166 Mingguang North Road, Jiangshan Town, Ningbo, Zhejiang, Yinzhou District Patentee after: NINGBO AUX ELECTRIC Co.,Ltd. Country or region after: China Patentee after: AUX AIR CONDITIONING LIMITED BY SHARE Ltd. Address before: No. 1166 Mingguang North Road, Jiangshan Town, Ningbo, Zhejiang, Yinzhou District Patentee before: NINGBO AUX ELECTRIC Co.,Ltd. Country or region before: China Patentee before: AUX AIR CONDITIONING LIMITED BY SHARE Ltd. |
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