CN211683440U - Mould driving mechanism of thermoforming machine - Google Patents
Mould driving mechanism of thermoforming machine Download PDFInfo
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- CN211683440U CN211683440U CN202020180391.0U CN202020180391U CN211683440U CN 211683440 U CN211683440 U CN 211683440U CN 202020180391 U CN202020180391 U CN 202020180391U CN 211683440 U CN211683440 U CN 211683440U
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Abstract
The utility model provides a hot forming machine's mould actuating mechanism, includes frame, decides die carrier, movable mould frame, bent elbow link mechanism and movable mould lift actuating mechanism, its characterized in that: the fixed die frame is fixed at the top of the frame, the toggle link mechanism is installed on the frame, the movable die frame is installed on the frame in a lifting way, the top end of the toggle link mechanism is connected with the movable die frame, and the movable die lifting driving mechanism is connected with the toggle link mechanism and drives the movable die frame to lift through the toggle link mechanism; the crank connecting rod mechanism is positioned under the movable mould frame, and the eccentric wheel is positioned under the crank connecting rod mechanism. Compared with the prior art, the utility model beneficial effect is that, owing to adopt motor, eccentric wheel, bent elbow link mechanism to take movable mould frame to go up and down, the eccentric wheel is located under the bent elbow link mechanism, and structural design is reasonable moreover, and when consequently the lift drive plate drove the lift of bent elbow link mechanism, the power of expending is less to can the noise abatement, can not the oil leak moreover, the pollution to the environment that has significantly reduced.
Description
Technical Field
The utility model relates to a thermoforming machine's mould actuating device, more specifically say and relate to a thermoforming machine's mould actuating mechanism.
Background
The thermoforming machine generally comprises a frame, a fixed die, a movable die and a movable die lifting driving mechanism; the fixed die is fixed on the top of the frame, the movable die is arranged on the frame in a lifting manner, and the movable die lifting driving mechanism drives the movable die to lift, so that the die assembly and the die opening of the movable die and the fixed die are realized, and the hot forming and the shearing are carried out.
However, most of the existing thermoforming machines adopt an oil cylinder as a movable die lifting driving mechanism to complete the lifting of the movable die. The structure has the defects that the oil cylinder is easy to leak oil, pollutes the environment and the finished product, and the noise generated by the oil cylinder during working is large because of unreasonable structure, thereby having adverse effect on the body of a producer. In addition, the operation is slow, and the production efficiency is not high.
Disclosure of Invention
The utility model aims at providing a thermoforming machine's mould actuating mechanism, this kind of thermoforming machine's mould actuating mechanism can accomplish compound die, die sinking work fast, and is rational in infrastructure moreover, can not the oil leak, and the noise is little. The technical scheme is as follows:
the utility model provides a hot forming machine's mould actuating mechanism, includes the frame, is used for installing the cover half the die carrier, is used for installing movable mould frame, toggle link mechanism and movable mould lift actuating mechanism of movable mould, its characterized in that: the fixed die frame is fixed at the top of the frame, the toggle link mechanism is installed on the frame, the movable die frame is installed on the frame in a lifting way, the top end of the toggle link mechanism is connected with the movable die frame, and the movable die lifting driving mechanism is connected with the toggle link mechanism and drives the movable die frame to lift through the toggle link mechanism; the movable die lifting driving mechanism comprises a driving device, an eccentric wheel and a lifting driving plate, an output shaft of the driving device is connected with a rotating shaft of the eccentric wheel, and two ends of the lifting driving plate are respectively connected with a toggle connecting rod mechanism and the eccentric wheel; the crank connecting rod mechanism is positioned under the movable mould frame, and the eccentric wheel is positioned under the crank connecting rod mechanism. The driving device drives the eccentric wheel to rotate, and the movable die frame (and the movable die) is driven to ascend and descend by the lifting driving plate and the toggle connecting rod mechanism, so that the die assembly and the die opening of the movable die and the fixed die are realized, and the thermal forming and the shearing are completed. Because the eccentric wheel is positioned right below the toggle connecting rod mechanism, when the lifting drive plate drives the toggle connecting rod mechanism to lift, the consumed force is small, and the noise can be reduced.
According to a preferred scheme, the top end of the lifting drive plate is hinged with a toggle link mechanism, the bottom of the lifting drive plate is provided with a lantern ring, and the lantern ring is rotatably sleeved on the eccentric wheel.
Preferably, the driving device comprises a motor and a gear box, an output shaft of the motor is connected with the gear box, and an output gear of the gear box is coaxially fixed with the eccentric wheel. That is to say, the motor drives the input gear of the gear box to rotate, the output gear of the gear box and the eccentric wheel are arranged on the same rotating shaft, and therefore the motor drives the eccentric wheel to rotate through the gear box.
In a more preferred embodiment, the motor is a servo motor. The servo motor can accurately control the rotating angle of the eccentric wheel, so that the ascending or descending distance of the movable mold is accurately controlled, the mold closing and opening are accurately controlled, the quality of a product obtained by molding can be guaranteed, the movable mold and the fixed mold can be prevented from violently colliding, and the noise is effectively reduced.
According to a preferred scheme, the toggle link mechanism comprises a middle lifting seat, two left driving rods, two right driving rods, a left upper hinged shaft, a right upper hinged shaft, a left middle hinged shaft, a right middle hinged shaft, a left lower hinged shaft, a right lower hinged shaft, two left upper swing rods, three left lower swing rods, two right upper swing rods, three right lower swing rods, a left supporting frame and a right supporting frame, wherein the bottom ends of the left supporting frame and the right supporting frame are respectively fixed at the bottom of the frame; the middle lifting seat is hinged with the top end of the lifting drive plate, the upper left articulated shaft is installed on the bottom surface of the movable die carrier, the top ends of the two upper left swing rods are respectively installed on the upper left articulated shaft, the bottom ends of the two upper left swing rods and the top ends of the three lower left swing rods are respectively installed on the middle left articulated shaft, the lower left articulated shaft is installed on the left support frame, the bottom ends of the three lower left swing rods are respectively installed on the lower left articulated shaft, and the two ends of each left drive rod are respectively hinged with the middle lifting seat and the second lower left swing; the upper right articulated shaft is installed on the bottom surface of the movable die frame, the top ends of two upper right swing rods are respectively installed on the upper right articulated shaft, the bottom ends of the two upper right swing rods and the top ends of three lower right swing rods are respectively installed on the middle right articulated shaft, the lower right articulated shaft is installed on the right support frame, the bottom ends of the three lower right swing rods are respectively installed on the lower right articulated shaft, and the two ends of each right drive rod are respectively articulated with the middle liftable seat and the second lower right swing rod.
Preferably, the toggle link mechanism is further provided with a guide unit, the guide unit comprises a guide sleeve and a guide rod, the guide rod is vertically and vertically arranged on the rack, the guide sleeve is slidably sleeved on the guide rod, and the guide sleeve is connected with a middle lifting seat of the toggle link mechanism.
According to the better scheme, the rack is provided with a plurality of guide columns, the movable mold frame is provided with a plurality of guide sleeves, the guide sleeves and the guide columns are the same in number and correspond to one another one by one, and the guide sleeves are respectively sleeved on the corresponding guide columns.
Compared with the prior art, the utility model beneficial effect is that, owing to adopt motor, eccentric wheel, bent elbow link mechanism to take movable mould frame to go up and down, the eccentric wheel is located under the bent elbow link mechanism, and structural design is reasonable moreover, and when consequently the lift drive plate drove the lift of bent elbow link mechanism, the power of expending is less to can the noise abatement, can not the oil leak moreover, the pollution to the environment that has significantly reduced.
Drawings
FIG. 1 is a front view of a preferred embodiment of the present invention in a clamped condition;
FIG. 2 is a front view of the preferred embodiment shown in FIG. 1 in an open state;
FIG. 3 is a perspective view of the rear side of FIG. 1;
FIG. 4 is a schematic perspective view of the preferred embodiment of the present invention with the frame removed;
fig. 5 is a schematic perspective view of the toggle link mechanism 4 and the movable mold lifting drive mechanism 5 according to the preferred embodiment of the present invention.
Detailed Description
As shown in fig. 1 to 5, the mold driving mechanism of the thermoforming machine in the preferred embodiment includes a frame 1, a fixed mold frame 2 for mounting a fixed mold, a movable mold frame 3 for mounting a movable mold, a toggle link mechanism 4 and a movable mold lifting driving mechanism 5, the fixed mold frame 2 is fixed on the top of the frame 1, the toggle link mechanism 4 is mounted on the frame 1, the movable mold frame 3 is mounted on the frame 1 in a liftable manner, the top end of the toggle link mechanism 4 is connected with the movable mold frame 3, and the movable mold lifting driving mechanism 5 is connected with the toggle link mechanism 4 and drives the movable mold frame 3 to lift through the toggle link mechanism 4.
The movable die lifting driving mechanism 5 comprises a driving device 501, an eccentric wheel 502 and a lifting driving plate 503, an output shaft of the driving device 501 is connected with a rotating shaft of the eccentric wheel 502, and two ends of the lifting driving plate 503 are respectively connected with the toggle link mechanism 4 and the eccentric wheel 502; the crank connecting rod mechanism 4 is positioned under the movable mould frame 3, and the eccentric wheel 502 is positioned under the crank connecting rod mechanism 4. The driving device 501 drives the eccentric wheel 502 to rotate, and the movable die rack 3 (and the movable die) is driven to ascend and descend by the lifting driving plate 503 and the toggle link mechanism 4, so that the die assembly and the die opening of the movable die and the fixed die are realized, and the thermal forming and the shearing are completed.
The driving device 501 comprises a motor 5011 and a gear box 5012, wherein an output shaft of the motor 5011 is connected with the gear box 5012, and an output gear of the gear box 5012 is coaxially fixed with the eccentric wheel 502. That is, the motor 5011 drives the input gear of the gear box 5012 to rotate, and the output gear of the gear box 5012 and the eccentric 502 are mounted on the same shaft, so that the motor 5011 drives the eccentric 502 to rotate through the gear box 5012.
The motor 5011 is a servo motor. The servo motor can accurately control the rotating angle of the eccentric wheel 502, so that the ascending or descending distance of the movable mold is accurately controlled, the mold closing and opening are accurately controlled, the quality of a product obtained by molding can be ensured, the movable mold and the fixed mold can be prevented from violently colliding, and the noise is effectively reduced.
The toggle link mechanism 4 comprises a middle lifting seat 401, two left driving rods 402, two right driving rods 403, a left upper hinge shaft 404, a right upper hinge shaft 405, a left middle hinge shaft 406, a right middle hinge shaft 407, a left lower hinge shaft 408, a right lower hinge shaft 409, two left upper swing rods 410, three left lower swing rods 411, two right upper swing rods 412, three right lower swing rods 413, a left support frame 414 and a right support frame 415, wherein the bottom ends of the left support frame 414 and the right support frame 415 are respectively fixed at the bottom of the frame 1; the left upper hinge shaft 404 is installed on the bottom surface of the movable mould frame 3, the top ends of two left upper swing rods 410 are respectively installed on the left upper hinge shaft 404, the bottom ends of the two left upper swing rods 410 and the top ends of three left lower swing rods 411 are respectively installed on the left middle hinge shaft 406, the left lower hinge shaft 408 is installed on the left support frame 414, the bottom ends of the three left lower swing rods 411 are respectively installed on the left lower hinge shaft 408, and two ends of each left driving rod 402 are respectively hinged with the middle liftable seat 401 and the second left lower swing rod 411; the upper right articulated shaft 405 is installed on the bottom surface of the movable mould frame 3, the top ends of two upper right swing rods 412 are respectively installed on the upper right articulated shaft 405, the bottom ends of the two upper right swing rods 412 and the top ends of three lower right swing rods 413 are respectively installed on the middle right articulated shaft 407, the lower right articulated shaft 409 is installed on the right support frame 415, the bottom ends of the three lower right swing rods 413 are respectively installed on the lower right articulated shaft 409, and two ends of each right driving rod 403 are respectively articulated with the middle liftable seat 401 and the second lower right swing rod.
The toggle link mechanism 4 is further provided with a guide unit, the guide unit comprises a guide sleeve 416 and a guide rod 417, the guide rod 417 is vertically and vertically installed on the frame 1, the guide sleeve 416 is slidably sleeved on the guide rod 417, and the guide sleeve 416 is connected with a middle lifting seat 401 of the toggle link mechanism 4.
The machine frame 1 is provided with four guide posts 101, the movable die frame 3 is provided with four guide sleeves 301, the number of the guide sleeves 301 is the same as that of the guide posts 101, the guide sleeves 301 correspond to the guide posts 101 one by one, and the guide sleeves 301 are respectively sleeved on the corresponding guide posts 101.
The top end of the lifting drive plate 503 is hinged with a middle lifting seat 401 of the toggle link mechanism 4, the bottom of the lifting drive plate 503 is provided with a lantern ring 031, and the lantern ring 5031 is rotatably sleeved on the eccentric wheel 502.
The following operation is described with reference to fig. 1:
the motor 5011 rotates to drive the eccentric wheel 502 to rotate through the gear box 5012, so that the lifting drive plate 503 swings to drive the middle lifting seat 401 to ascend and descend, and the toggle link mechanism 4 drives the movable mold frame 3 to ascend and descend. Because the eccentric wheel 502 is positioned right below the toggle link mechanism 4, when the lifting drive plate 503 drives the toggle link mechanism 4 to lift, the consumed force is small, and the noise can be reduced.
In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and all the equivalent or simple changes made according to the structure, the features and the principle of the present invention are included in the protection scope of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (7)
1. The utility model provides a hot forming machine's mould actuating mechanism, includes the frame, is used for installing the cover half the die carrier, is used for installing movable mould frame, toggle link mechanism and movable mould lift actuating mechanism of movable mould, its characterized in that: the fixed die frame is fixed at the top of the frame, the toggle link mechanism is installed on the frame, the movable die frame is installed on the frame in a lifting way, the top end of the toggle link mechanism is connected with the movable die frame, and the movable die lifting driving mechanism is connected with the toggle link mechanism and drives the movable die frame to lift through the toggle link mechanism; the movable die lifting driving mechanism comprises a driving device, an eccentric wheel and a lifting driving plate, an output shaft of the driving device is connected with a rotating shaft of the eccentric wheel, and two ends of the lifting driving plate are respectively connected with a toggle connecting rod mechanism and the eccentric wheel; the crank connecting rod mechanism is positioned under the movable mould frame, and the eccentric wheel is positioned under the crank connecting rod mechanism.
2. The mold driving mechanism of a thermoforming machine as recited in claim 1, further comprising: the top end of the lifting drive plate is hinged with a toggle link mechanism, the bottom of the lifting drive plate is provided with a lantern ring, and the lantern ring is rotatably sleeved on the eccentric wheel.
3. The mold driving mechanism of a thermoforming machine as recited in claim 1, further comprising: the driving device comprises a motor and a gear box, an output shaft of the motor is connected with the gear box, and an output gear of the gear box is coaxially fixed with the eccentric wheel.
4. The mold driving mechanism of a thermoforming machine as recited in claim 3, further comprising: the motor is a servo motor.
5. The mold driving mechanism of a thermoforming machine as claimed in any of claims 1-4, characterized in that: the crank connecting rod mechanism comprises a middle lifting seat, two left driving rods, two right driving rods, a left upper hinged shaft, a right upper hinged shaft, a left middle hinged shaft, a right middle hinged shaft, a left lower hinged shaft, a right lower hinged shaft, two left upper swing rods, three left lower swing rods, two right upper swing rods, three right lower swing rods, a left supporting frame and a right supporting frame, wherein the bottom ends of the left supporting frame and the right supporting frame are respectively fixed at the bottom of the frame; the middle lifting seat is hinged with the top end of the lifting drive plate, the upper left articulated shaft is installed on the bottom surface of the movable die carrier, the top ends of the two upper left swing rods are respectively installed on the upper left articulated shaft, the bottom ends of the two upper left swing rods and the top ends of the three lower left swing rods are respectively installed on the middle left articulated shaft, the lower left articulated shaft is installed on the left support frame, the bottom ends of the three lower left swing rods are respectively installed on the lower left articulated shaft, and the two ends of each left drive rod are respectively hinged with the middle lifting seat and the second lower left swing; the upper right articulated shaft is installed on the bottom surface of the movable die frame, the top ends of two upper right swing rods are respectively installed on the upper right articulated shaft, the bottom ends of the two upper right swing rods and the top ends of three lower right swing rods are respectively installed on the middle right articulated shaft, the lower right articulated shaft is installed on the right support frame, the bottom ends of the three lower right swing rods are respectively installed on the lower right articulated shaft, and the two ends of each right drive rod are respectively articulated with the middle liftable seat and the second lower right swing rod.
6. The mold driving mechanism of a thermoforming machine as recited in claim 5, further comprising: the toggle link mechanism is also provided with a guide unit, the guide unit comprises a guide sleeve and a guide rod, the guide rod is vertically and vertically arranged on the rack, the guide sleeve is slidably sleeved on the guide rod, and the guide sleeve is connected with a middle lifting seat of the toggle link mechanism.
7. The mold driving mechanism of a thermoforming machine as recited in claim 1, further comprising: the machine frame is provided with a plurality of guide posts, the movable mold frame is provided with a plurality of guide sleeves, the number of the guide sleeves is the same as that of the guide posts, the guide sleeves and the guide posts are in one-to-one correspondence, and the guide sleeves are respectively sleeved on the corresponding guide posts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020180391.0U CN211683440U (en) | 2020-02-18 | 2020-02-18 | Mould driving mechanism of thermoforming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020180391.0U CN211683440U (en) | 2020-02-18 | 2020-02-18 | Mould driving mechanism of thermoforming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211683440U true CN211683440U (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020180391.0U Active CN211683440U (en) | 2020-02-18 | 2020-02-18 | Mould driving mechanism of thermoforming machine |
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|---|---|
| CN (1) | CN211683440U (en) |
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2020
- 2020-02-18 CN CN202020180391.0U patent/CN211683440U/en active Active
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