CN218111700U - Automatic ejecting thermoplastic forming die - Google Patents
Automatic ejecting thermoplastic forming die Download PDFInfo
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- CN218111700U CN218111700U CN202221574352.4U CN202221574352U CN218111700U CN 218111700 U CN218111700 U CN 218111700U CN 202221574352 U CN202221574352 U CN 202221574352U CN 218111700 U CN218111700 U CN 218111700U
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Abstract
The utility model discloses an automatic ejection thermoplastic forming die, which comprises a fixed die fixedly arranged on a processing platform by screws, wherein the upper surface of the fixed die is provided with a forming bin which is sunken downwards, and a movable die matched with the fixed die is arranged at a corresponding position above the fixed die; the ejection plate is movably arranged at the bottom of the forming bin of the fixed die; the top end of the longitudinal threaded rod is rotatably arranged in the middle of the lower surface of the ejector plate; and the movable rods are longitudinally arranged at the left end and the right end of the movable mould in a penetrating way. This automatic ejecting thermoplastic forming die adopts neotype structural design for the device divides the automatic rising of ejecting plate through the shaping storehouse is inside after the mould with the in-process that uses ejecting with the product, avoids appearing gluing glutinous condition and influences drawing of patterns efficiency, and utilizes the outer frame of device to the extrusion of movable rod, makes inside sealed piston extrude the blowout with the air, to the inside clearance in the shaping storehouse of mould, avoids the piece to remain the influence and uses.
Description
Technical Field
The utility model relates to a mould technical field is moulded to heat, specifically is an automatic ejecting forming die is moulded to hot.
Background
The thermoplastic mould is a tool for producing products with specific shapes, generally some rubber and plastic materials are produced, firstly, a certain amount of rubber materials are put into the mould, are heated and then melted, and are shaped by a forming bin in the mould and then are cooled, so that the products are finally obtained.
In the prior art, chinese patent with publication number CN206230867U discloses a thermoplastic mold, which comprises a left mold, a center mold and a right mold, wherein the center mold is in a convex shape, the left mold and the right mold are respectively provided with the upper end of a base, the right side surface of the left mold and the left side surface of the right mold are connected into a cylindrical structure, a molding cavity is arranged between the center column and the left mold and the right mold, a cooling cavity is arranged inside the center column, the left side of the base is provided with a cooling liquid inlet channel, the right side of the base is provided with a cooling liquid outlet channel, the left side and the right side of the base are respectively provided with two rotating shafts, the rotating shafts are connected with rotating fixing rods, the molding cavity is formed by combining the left mold, the center mold and the right mold, and the installation and the demolding are convenient; the arrangement of the cooling cavity accelerates the heat dissipation speed; the left die and the right die are fixed on the center die through the rotary fixing rod, and operation is convenient.
However, in the actual using process, the thermoplastic mold is used for taking down the product from the interior of the mold after mold separation, and the rubber and plastic products are easy to adhere to the inner wall of the mold, so that the situation of difficult demolding can occur, the arm of a person is easy to hurt in the mold for a long time, and some chips can fall off in the mold after demolding, and the normal use of the mold can be influenced next time without timely treatment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic ejecting thermoplastic forming die to provide the problem of the interior piece of being not convenient for clear up of drawing of patterns, mould of being not convenient for in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic ejecting forming die that moulds with heat, includes the fixed mould that utilizes screw fixed mounting on processing platform, the shaping storehouse of undercut is seted up to fixed mould upper surface, just the corresponding position in fixed mould top is provided with the movable mould that matches with it, still includes:
the positioning rods are fixedly arranged at four corners of the lower surface of the movable die and are vertically distributed with the movable die;
the positioning groove is formed in the four-angle position of the upper surface of the fixed die, and the position of the positioning groove and the position of the positioning rod are vertically corresponding to each other;
the ejection plate is movably arranged at the bottom of the forming bin of the fixed mold, and a joint sealing structure is formed between the outer edge of the ejection plate and the fixed mold;
the guide rods are fixedly and longitudinally arranged on the left side and the right side of the lower surface of the ejector plate, and a penetrating sliding structure is formed between the lower ends of the guide rods and the fixed die;
the top end of the longitudinal threaded rod is rotatably installed in the middle of the lower surface of the ejection plate, and the bottom end of the longitudinal threaded rod is in threaded connection with the fixed die;
the movable rods longitudinally penetrate through the left end and the right end of the movable mould, the top ends of the movable rods are provided with circular plate-shaped structures, and the bottom ends of the movable rods are positioned in the movable mould;
hydraulic telescoping rod, bottom fixed mounting be in the movable mould upper surface is outside, hydraulic telescoping rod top and processingequipment frame fixed mounting, just hydraulic telescoping rod bilateral symmetry is provided with 2 altogether.
Preferably, a driven bevel gear is coaxially arranged outside the bottom end of the longitudinal threaded rod, and a rotating structure is formed between the driven bevel gear and the fixed die.
Preferably, a driving bevel gear rotatably mounted with the fixed mold is connected to a side surface below the driven bevel gear in a meshing manner, the driving bevel gear is connected with a driving roller by using a transmission belt, and the driving bevel gear is driven by the rotation of the driving roller through the transmission belt to rotate, so that the driven bevel gear in the meshing connection with the driving bevel gear synchronously rotates.
Preferably, the driving roller is located on the inner side face of the positioning groove, the outer surface of the driving roller is made of rubber, the outer surface of the driving roller is attached to the outer surface of the positioning rod, and the positioning rod can drive the driving roller to rotate by friction force when moving.
Preferably, the inner side of the driven bevel gear is symmetrically and fixedly provided with limiting clamping blocks, the limiting clamping blocks and the longitudinal threaded rod form a clamping structure, and the driven bevel gear drives the longitudinal threaded rod to synchronously rotate by the limiting clamping blocks when rotating.
Preferably, a sealing piston is coaxially and fixedly mounted at the bottom end of the movable rod and is located inside a cavity formed in the movable mold, and air in the cavity is extruded by the aid of movement of the sealing piston.
Preferably, the sealing piston and the cavity form a lifting structure, the movable rod and the movable mould form a longitudinal elastic structure through an externally arranged return spring, and the movable rod is pushed upwards under normal conditions by the aid of the elastic action of the return spring.
Compared with the prior art, the beneficial effects of the utility model are that: this automatic ejecting thermoplastic forming die adopts neotype structural design for the device divides the automatic rising of ejecting plate through the shaping storehouse is inside ejecting with the product after the mould at the in-process that uses, avoids appearing gluing glutinous condition and influences drawing of patterns efficiency, and utilizes the outer frame of device to the extrusion of movable rod, makes inside sealed piston extrude the blowout with the air, to the inside clearance in the shaping storehouse of mould, avoids the piece to remain the influence and uses, and its concrete content is as follows:
1. the driving idler wheel, the transmission belt, the driving bevel gear, the driven bevel gear and the longitudinal threaded rod are matched for use, the transmission belt drives the driving bevel gear to rotate by utilizing friction between the positioning rod and the driving idler wheel when the die is separated, the driven bevel gear meshed with the driving bevel gear is driven to rotate by utilizing the rotation of the driving bevel gear, the longitudinal threaded rod is driven to rotate by utilizing the limiting clamping block, and finally the ejection plate moves upwards to eject and demold a product.
2. The cooperation between movable rod, reset spring, sealed piston and the cavity is used, and movable mould rebound when minute mould utilizes and extrudees between the outer frame of device and the movable rod for the inside sealed piston downstream of cavity extrudees the back blowout of the inside air of cavity, utilizes behind the pressurization spun air to wash the shaping storehouse.
Drawings
FIG. 1 is a schematic view of the front cross-sectional structure of the fixed mold of the present invention;
fig. 2 is a schematic top view of the fixed mold of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
fig. 4 is a schematic view of a top view of the driven bevel gear of the present invention;
fig. 5 is a schematic view of the structure of the local front section of the movable mold of the present invention.
In the figure: 1. fixing the mold; 2. a molding bin; 3. a movable mold; 4. positioning a rod; 5. positioning a groove; 6. ejecting the plate; 7. a guide bar; 8. a longitudinal threaded rod; 9. a movable rod; 10. a hydraulic telescopic rod; 11. a driven bevel gear; 1101. a limiting clamping block; 12. a drive bevel gear; 13. a drive belt; 14. a driving roller; 15. a sealing piston; 16. a cavity; 17. a return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an automatic ejecting thermoplastic forming die, includes the fixed die 1 of utilizing screw fixed mounting on the processing platform, the shaping storehouse 2 of undercut is seted up to 1 upper surface of fixed die, and the corresponding position in 1 top of fixed die is provided with the movable mould 3 that matches with it, still includes:
the positioning rods 4 are fixedly arranged at four corners of the lower surface of the movable mold 3, and the positioning rods 4 and the movable mold 3 are vertically distributed;
the positioning grooves 5 are formed in the four-angle positions of the upper surface of the fixed die 1, and the positions of the positioning grooves 5 and the positions of the positioning rods 4 are vertically corresponding to each other;
the ejection plate 6 is movably arranged at the bottom of the forming bin 2 of the fixed mold 1, and a joint sealing structure is formed between the outer edge of the ejection plate 6 and the fixed mold 1;
the guide rods 7 are fixedly and longitudinally arranged on the left side and the right side of the lower surface of the ejector plate 6, and a penetrating sliding structure is formed between the lower ends of the guide rods 7 and the fixed die 1;
the top end of the longitudinal threaded rod 8 is rotatably arranged in the middle of the lower surface of the ejection plate 6, and the bottom end of the longitudinal threaded rod 8 is in threaded connection with the fixed die 1;
the outside coaxial driven bevel gear 11 that is provided with in vertical threaded rod 8 bottom, and constitute rotating-structure between driven bevel gear 11 and the fixed mould 1, driven bevel gear 11 below side meshing is connected with the drive bevel gear 12 with the fixed mould 1 rotation installation, and drive bevel gear 12 utilizes driving belt 13 to be connected with drive roller 14, drive roller 14 is located the inside side of constant head tank 5, and drive roller 14 surface sets up to the rubber material, and 14 surfaces of drive roller and the laminating of 4 surfaces of locating lever, 11 inboard bilateral symmetry of driven bevel gear are fixed and are provided with spacing fixture block 1101, and spacing fixture block 1101 constitutes block structure with vertical threaded rod 8.
When the device is used, firstly, raw materials of a product are weighed and then placed into the forming bin 2, then the hydraulic telescopic rod 10 works to push the movable mold 3 downwards to be matched with the fixed mold 1, after the matched mold is matched, the raw materials are melted by the internal high temperature and high pressure, and finally the shape is formed, then the hydraulic telescopic rod 10 contracts to move the movable mold 3 upwards, at the moment, the positioning rod 4 synchronously moves upwards in the positioning groove 5, the positioning rod 4 is driven to rotate by the friction force between the positioning rod 4 and the side driving roller 14, the driving roller 14 drives the driving bevel gear 12 to rotate through the transmission belt 13 while rotating, so that the driven bevel gear 11 meshed and connected with the driving bevel gear 12 synchronously rotates, the driven bevel gear 11 drives the longitudinal threaded rod 8 to rotate by using the internally arranged limiting fixture block 1101 (the limiting fixture block 1101 is only limited transversely, and does not influence the longitudinal movement of the longitudinal threaded rod 8), and the ejection plate 6 is driven to move upwards by the rotation of the longitudinal threaded rod 8 to eject the product, and complete automatic demolding.
The movable rods 9 longitudinally penetrate through the left end and the right end of the movable mould 3, the top ends of the movable rods 9 are provided with circular plate-shaped structures, and the bottom ends of the movable rods 9 are positioned in the movable mould 3;
The bottom end of the movable rod 9 is coaxially and fixedly provided with a sealing piston 15, the sealing piston 15 is positioned in a cavity 16 formed in the movable mold 3, the sealing piston 15 and the cavity 16 form a lifting structure, and the movable rod 9 and the movable mold 3 form a longitudinal elastic structure through an externally arranged return spring 17.
Operating personnel is taking out the back with the product, movable mould 3 continues the rebound, make the movable rod 9 of its top extrude with the holistic frame of device, drive the inside sealed piston 15 downstream of cavity 16 (because the cavity 16 export is less, so can extrude the back blowout with the air of inside), extrude the back blowout behind the air of inside, through the extruded air wash inside shaping storehouse 2, avoid clastic remaining influence to use next time, after the compound die once more, upwards promote movable rod 9 at reset spring 17's elastic action and get back to the normal position.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an automatic ejecting forming die that moulds plastics, includes the fixed mould that utilizes screw fixed mounting on processing platform, the shaping storehouse of undercut is seted up to fixed mould upper surface, just the corresponding position in fixed mould top is provided with the movable mould that matches with it, and its characterized in that still includes:
the positioning rods are fixedly arranged at four corners of the lower surface of the movable die and are vertically distributed with the movable die;
the positioning groove is formed in the four-angle position of the upper surface of the fixed die, and the position of the positioning groove and the position of the positioning rod are vertically corresponding to each other;
the ejection plate is movably arranged at the bottom of the forming bin of the fixed mold, and a joint sealing structure is formed between the outer edge of the ejection plate and the fixed mold;
the guide rods are fixedly and longitudinally arranged on the left side and the right side of the lower surface of the ejector plate, and a penetrating sliding structure is formed between the lower ends of the guide rods and the fixed die;
the top end of the longitudinal threaded rod is rotatably installed in the middle of the lower surface of the ejection plate, and the bottom end of the longitudinal threaded rod is in threaded connection with the fixed die;
the movable rods longitudinally penetrate through the left end and the right end of the movable mould, the top ends of the movable rods are provided with circular plate-shaped structures, and the bottom ends of the movable rods are positioned in the movable mould;
hydraulic telescoping rod, bottom fixed mounting be in the movable mould upper surface is outside, hydraulic telescoping rod top and processingequipment frame fixed mounting, just hydraulic telescoping rod bilateral symmetry is provided with 2 altogether.
2. The self-ejecting thermoplastic molding tool of claim 1, wherein: and a driven bevel gear is coaxially arranged outside the bottom end of the longitudinal threaded rod, and a rotating structure is formed between the driven bevel gear and the fixed die.
3. The self-ejecting thermoplastic molding tool of claim 2, wherein: and a driving bevel gear which is rotatably arranged with the fixed die is connected to the side surface below the driven bevel gear in a meshing manner, and the driving bevel gear is connected with a driving roller by using a transmission belt.
4. An automatic ejection thermoplastic molding die according to claim 3, wherein: the driving roller is located on the inner side face of the positioning groove, the outer surface of the driving roller is made of rubber, and the outer surface of the driving roller is attached to the outer surface of the positioning rod.
5. The self-ejecting thermoplastic molding tool of claim 2, wherein: limiting clamping blocks are fixedly arranged on the inner side of the driven bevel gear in a bilateral symmetry mode, and the limiting clamping blocks and the longitudinal threaded rod form a clamping structure.
6. An automatic ejection thermoplastic molding die according to claim 1, wherein: the bottom end of the movable rod is coaxially and fixedly provided with a sealing piston, and the sealing piston is positioned in a cavity formed in the movable mold.
7. An automatic ejection thermoplastic molding die according to claim 6, wherein: the sealing piston and the cavity form a lifting structure, and the movable rod and the movable mould form a longitudinal elastic structure through an externally arranged reset spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221574352.4U CN218111700U (en) | 2022-06-22 | 2022-06-22 | Automatic ejecting thermoplastic forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221574352.4U CN218111700U (en) | 2022-06-22 | 2022-06-22 | Automatic ejecting thermoplastic forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218111700U true CN218111700U (en) | 2022-12-23 |
Family
ID=84514931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221574352.4U Active CN218111700U (en) | 2022-06-22 | 2022-06-22 | Automatic ejecting thermoplastic forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218111700U (en) |
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2022
- 2022-06-22 CN CN202221574352.4U patent/CN218111700U/en active Active
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