A double-swing-arm mold transfer device

Abstract

This utility model belongs to the technical field of foam molding machines, specifically relating to a double-swing-arm mold-moving device. This double-swing-arm mold-moving device includes a lifting platform, a mold assembly, and a moving mechanism. The mold assembly includes a mold frame and a mold that can move horizontally. The moving mechanism connects to and drives the mold frame to move back and forth horizontally. The moving mechanism includes a drive assembly mounted on the lifting platform, two rotating seats mounted opposite each other on the lifting platform, two swing arms respectively mounted on the two rotating seats and movably connected to the mold frame, and a transmission assembly positioned between the drive assembly and the two swing arms. Through the symmetrical arrangement of the two rotating seats, the two swing arms, the drive assembly, and the transmission assembly, the horizontal reciprocating movement of the mold frame between the lifting platform and the mold station is achieved. Simultaneously, the two swing arms are synchronously driven by a single drive assembly through the transmission assembly, ensuring that the mold frame experiences uniform force and parallel trajectory during movement, effectively preventing jamming and offset of the mold frame.

Description

Technical Field

[0001] This utility model belongs to the technical field of foam molding machines, specifically relating to a double swing arm type mold moving device. Background Technology

[0002] In the automated production of cold and hot secondary molding shoe machines, the mold frame needs to move frequently back and forth between the mold station and the external lifting platform. Existing technologies mainly employ two types of mold frame entry and exit devices: one uses a single swing arm push-pull mechanism, applying force to push and pull the mold frame through a single drive point. Due to concentrated force and unbalanced torque, this easily leads to the mold frame deflecting or jamming during movement, affecting positioning accuracy and operational stability. The other uses a linkage slider mechanism, which, while enabling planar translation of the mold frame, has a complex structure, numerous parts, is difficult to install and debug, occupies a large amount of equipment space, and has high manufacturing and maintenance costs. Furthermore, under high-speed reciprocating operation, it is difficult to ensure strict synchronization of the two drive mechanisms, seriously affecting the equipment's production cycle and long-term operational reliability. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a double-swing arm type mold moving device with good synchronization, compact structure and accurate positioning.

[0004] The present invention adopts the following technical solution:

[0005] A double-swing-arm mold moving device includes a lifting platform, a mold assembly, and a moving mechanism;

[0006] The mold assembly includes a mold frame that is movable horizontally on a lifting platform and a mold supported on the mold frame;

[0007] A moving mechanism, mounted on a lifting platform, connects to and drives the mold frame to move back and forth in the horizontal direction. The moving mechanism includes a drive assembly mounted on the lifting platform, two rotating seats mounted opposite each other on the lifting platform, two swing arms mounted on the two rotating seats and movably connected to the mold frame, and a transmission assembly mounted between the drive assembly and the two swing arms. The first end of each swing arm is movably connected to the rotating seat, and the second end is movably connected to the mold frame. The drive assembly drives the two swing arms to rotate via the transmission assembly, thereby moving the mold frame horizontally into or away from the mold station and onto the lifting platform.

[0008] Furthermore, the drive assembly includes a drive cylinder mounted on the lifting platform and a push-pull plate connected to the output end of the drive cylinder. The drive cylinder has a reciprocating piston rod, and the push-pull plate is connected to the front end of the piston rod. The piston rod can drive the push-pull plate to extend outward, causing the two swing arms to rotate, thereby driving the mold frame away from the mold station and into the lifting platform.

[0009] Furthermore, the transmission assembly includes two rotating gears that are rotatably mounted on two rotating seats and mesh with each other, and a transmission rack segment mounted on a push-pull plate and meshing with one of the rotating gears. The drive cylinder drives the push-pull plate to move, so that the two rotating gears rotate under the action of the transmission rack segment, thereby driving the two swing arms to rotate synchronously outward or inward.

[0010] Furthermore, the drive assembly also includes a guide seat for limiting the direction of movement of the push-pull plate, the guide seat having a moving groove for the push-pull plate to move back and forth.

[0011] Furthermore, the drive assembly also includes a limiting member for limiting the moving distance of the push-pull plate. The limiting member includes a limiting seat disposed on the lifting platform at the front end of the guide seat and a limiting block disposed on the lifting platform between two swing arms. The width of the first end of the swing arm is greater than the width of its second end, and the limiting block is located between the second ends of the two swing arms.

[0012] Furthermore, the moving mechanism also includes a hydraulic cylinder sensing component for sensing the moving position of the push-pull plate. The hydraulic cylinder sensing mechanism is installed on the lifting platform and includes a mounting bracket installed on the side of the guide seat on the lifting platform, a first sensing switch and a second sensing switch spaced apart on the mounting bracket, and a sensing block installed on the opposite surface of the push-pull plate and the mounting bracket.

[0013] Furthermore, the moving mechanism also includes a mold frame sensing switch disposed on the lifting platform for sensing the position of the mold frame.

[0014] Furthermore, the first end of the swing arm is rotatably mounted on the lifting platform via a rotating seat, the second end of the swing arm is provided with a sliding pin, and the mold frame is formed with a sliding groove that allows the sliding pin to move back and forth.

[0015] Furthermore, the lifting platform includes two guide plates extending upward from both sides of its top and a baffle plate disposed on one side thereon. The two guide plates respectively cooperate with the two sides of the mold frame, and the baffle plate can abut against the mold frame.

[0016] Furthermore, two downwardly extending stepped portions are formed on both sides of the top of the guide plate, the side end of the mold frame is inclined, and an inclined guide surface that cooperates with the side end of the mold frame is formed on the stepped portion.

[0017] As can be seen from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are as follows: The double swing arm mold moving device proposed in this application realizes the horizontal reciprocating movement of the mold frame between the lifting platform and the mold station through the cooperation of two symmetrically arranged rotating seats, two swing arms, a drive component, and a transmission component; at the same time, the two swing arms are synchronously driven by a single drive component through the transmission component, ensuring that the mold frame is subjected to uniform force and has a parallel trajectory during the movement, effectively avoiding the problems of mold frame jamming and deviation, and further improving the stability and reliability of the mold moving process;

[0018] The double swing arm mold moving device proposed in this application uses the cooperation of the drive cylinder and the push-pull plate, as well as the transmission rack section and the two rotating gears, to synchronously transmit the linear reciprocating motion of the piston rod on the drive cylinder to the two swing arms through the push-pull plate, ensuring the consistency of the rotation angle when the two swing arms rotate synchronously, so that the mold frame moves smoothly without jamming.

[0019] The double-swing-arm mold-moving device proposed in this application converts the rotational motion of the two swing arms into the linear translational motion of the mold frame through the cooperation of the sliding pin and the sliding groove. It has a compact structure, requires no additional guide rails, and saves space.

[0020] The double-swing-arm mold-moving device proposed in this application achieves mechanical limiting of the push-pull plate and the two swing arms through the cooperation of the limiting seat and the limiting block. At the same time, through the cooperation of the hydraulic cylinder sensing component and the mold frame sensing switch, the extension and retraction of the piston rod on the drive hydraulic cylinder and the position of the mold frame can be detected in real time, thereby achieving precise control of the mold frame entering and exiting the mold station and improving the repeatability of the double-swing-arm mold-moving device. Attached Figure Description

[0021] Figure 1 Schematic diagram of the double-swing-arm type mold moving device Figure 1 .

[0022] Figure 2 Schematic diagram of the double-swing-arm type mold moving device Figure 2 .

[0023] Figure 3 for Figure 2 An enlarged schematic diagram of the structure at point A in the middle.

[0024] Figure 4 for Figure 2 Enlarged schematic diagram of the structure at point B.

[0025] Figure 5 for Figure 2 An enlarged schematic diagram of the structure at point C.

[0026] In the diagram: 1. Lifting platform; 11. Guide plate; 12. Baffle; 13. Step section; 14. Inclined guide surface; 15. Horizontal support column; 2. Mold assembly; 21. Mold frame; 211. Sliding groove; 22. Mold; 3. Moving mechanism; 31. Drive assembly; 311. Drive cylinder; 312. Push-pull plate; 313. Piston rod; 314. Guide seat; 315. Limiting component; 316. Limiting seat; 3161. Mounting platform; 3162. Adjusting block; 3163. Screw; 317. Limiting stop; 32. Rotating seat; 33. Swing arm; 331. Sliding pin; 34. Transmission assembly; 341. Rotating gear; 342. Transmission rack segment; 35. Cylinder sensing assembly; 351. Mounting bracket; 352. First sensing switch; 353. Second sensing switch; 354. Sensing block; 36. Mold frame sensing switch. Detailed Implementation

[0027] The present invention will be further described below through specific embodiments.

[0028] like Figures 1 to 5 As shown, this embodiment provides a double-swing-arm mold moving device, including a lifting platform 1, a mold assembly 2, and a moving mechanism 3.

[0029] The mold assembly 2 includes a mold frame 21 that can be moved horizontally on the lifting platform 1 and a mold 22 supported on the mold frame 21. Specifically, the lifting platform 1 includes two guide plates 11 extending upward from both sides of its top and a baffle 12 disposed on one side. When the mold frame 21 moves away from the mold station and enters the lifting platform 1, the mold frame 21 moves smoothly into the lifting platform 1 via the two guide plates 11 and abuts against the baffle 12. Furthermore, two downwardly extending stepped portions 13 are formed on the top sides of the guide plates 11. The side ends of the mold frame 21 are inclined, and inclined guide surfaces 14 that cooperate with the side ends of the mold frame 21 are formed on the stepped portions 13. When the mold frame 21 moves away from the mold station and enters the lifting platform 1, the end of the mold frame 21 contacts the relatively inclined guide surface 14, guiding the mold frame into the space between the two guide plates 11 and preventing the mold frame 21 from shifting during movement. Furthermore, multiple transverse support columns 15 are provided inside the lifting platform 1, and the mold frame 21 can be supported on the multiple transverse support columns 15.

[0030] The moving mechanism 3, mounted on the lifting platform 1, connects to and drives the mold frame 21 to move back and forth horizontally. The moving mechanism 3 includes a drive assembly 31 mounted on the lifting platform 1, two rotating seats 32 mounted opposite each other on the lifting platform 1, two swing arms 33 mounted on the two rotating seats 32 and movably connected to the mold frame 21, and a transmission assembly 34 positioned between the drive assembly 31 and the two swing arms 33. The first end of each swing arm 33 is movably connected to the rotating seat 32, and the second end is movably connected to the mold frame 21. This application achieves horizontal reciprocating movement of the mold frame 21 between the lifting platform 1 and the mold station position through the symmetrical arrangement of the two rotating seats 32, the two swing arms 33, the drive assembly 31, and the transmission assembly 34. Simultaneously, the two swing arms 33 are synchronously driven by a single drive assembly 31 via the transmission assembly 34, ensuring uniform force and parallel trajectory of the mold frame 21 during movement, effectively preventing jamming and offset of the mold frame 21, and further improving the stability and reliability of the mold moving process. Specifically, when the drive assembly 31 drives the two swing arms 33 via the transmission assembly 34... When the boom 33 rotates synchronously, the two swing arms 33 first rotate in opposite directions until they form a 180° angle, then rotate towards each other, reducing the angle between them from 180° to 0°, thereby driving the mold frame 21 to move horizontally into the mold station. When the drive assembly 31 drives the two swing arms 33 to rotate synchronously via the transmission assembly 34, the two swing arms 33 first rotate in opposite directions until they form a 180° angle, then rotate towards each other, gradually reducing the angle between them from 180° to 0°. The angle is reduced to 0°, thereby driving the mold frame 21 to move horizontally away from the mold station and into the lifting platform 1; furthermore, the first end of the swing arm 33 is rotatably mounted on the lifting platform 1 via the rotating seat 32, and the second end of the swing arm 33 is provided with a sliding pin 331, and the mold frame 21 forms a sliding groove 211 that allows the sliding pin 331 to move back and forth; this application converts the rotational motion of the two swing arms 33 into the linear translational motion of the mold frame 21 through the cooperation of the sliding pin 331 and the sliding groove 211, which is compact, requires no additional guide rails, and saves space.

[0031] The drive assembly 31 includes a drive cylinder 311 mounted on the lifting platform 1 and a push-pull plate 312 connected to the output end of the drive cylinder 311. The drive cylinder 311 has a reciprocating piston rod 313, and the push-pull plate 312 is connected to the front end of the piston rod 313. This application, through the cooperation of the drive cylinder 311, the push-pull plate 312, and the transmission assembly 34, synchronously transmits the linear reciprocating motion of the piston rod 313 on the drive cylinder 311 to the two swing arms 33 via the push-pull plate 312, ensuring the consistency of the rotation angle when the two swing arms 33 rotate synchronously, thus allowing the mold frame 21 to move smoothly without jamming. Specifically... When the piston rod 313 drives the push-pull plate 312 to extend outward, the two swing arms 33 rotate synchronously, thereby driving the mold frame 21 away from the mold station and into the lifting platform 1; when the piston rod 313 drives the push-pull plate 312 to retract inward, the two swing arms 33 rotate synchronously, thereby driving the mold frame 21 away from the lifting platform 1 and into the mold station; furthermore, the drive assembly 31 also includes a guide seat 314 for limiting the movement direction of the push-pull plate 312, and the guide seat 314 has a moving groove for allowing the push-pull plate 312 to move back and forth; furthermore, the drive assembly 31 also includes a limit for the push-pull plate 312 The limiting component 315 for the movement distance includes a limiting seat 316 located at the front end of the guide seat 314 on the lifting platform 1 and a limiting block 317 located on the lifting platform 1 between two swing arms 33; wherein the width of the first end of the swing arm 33 is greater than the width of its second end, and the limiting block 317 is located between the second ends of the two swing arms 33; this application achieves mechanical limiting of the push-pull plate 312 and the two swing arms 33 through the cooperation of the limiting seat 316 and the limiting block 317; furthermore, when the mold frame 21 enters the lifting platform 1, the push-pull plate 312 moves forward along the direction of the moving groove. The push-pull plate 312 moves backward along the direction of the moving groove until the second ends of the two swing arms 33 abut against the two sides of the limit block 317. Furthermore, the limit block 316 includes a mounting platform 3161 set on the lifting platform 1 and an adjusting block 3162 detachably set on the mounting platform 3161 opposite to the push-pull plate 312. The adjusting block 3162 and the mounting platform 3161 are detachably connected by screws 3163. The distance between the adjusting block 3162 and the guide seat 314 is adjustable to accommodate different models of drive cylinders 311.

[0032] The transmission assembly 34 includes two rotating gears 341 rotatably mounted on two rotating seats 32 and meshing with each other, and a transmission rack segment 342 mounted on a push-pull plate 312 and meshing with one of the rotating gears 341. The drive cylinder 311 moves the push-pull plate 312, causing the two rotating gears 341 to rotate under the action of the transmission rack segment 342, thereby driving the two swing arms 33 to rotate synchronously outward or inward. Specifically, when the piston rod 313 drives the push-pull plate 312 to extend outward, the push-pull plate 312 moves forward along the moving groove direction, and the transmission rack segment 342 drives the rotating gear 341 meshing with it to rotate clockwise. Wheel 341 can drive another rotating gear 341 meshing with it to rotate counterclockwise, causing the two swing arms 33 to swing synchronously, thereby driving the mold frame 21 away from the mold station position in the horizontal direction and smoothly pushing it to the lifting platform 1; when the piston rod 313 drives the push-pull plate 312 to retract inward, the push-pull plate 312 moves backward along the moving groove direction, and the transmission rack segment 342 drives the rotating gear 341 meshing with it to rotate counterclockwise. This rotating gear 341 can drive another rotating gear 341 meshing with it to rotate clockwise, causing the two swing arms 33 to swing synchronously, thereby driving the mold frame 21 away from the lifting platform 1 in the horizontal direction and smoothly pushing it to the mold station position.

[0033] The moving mechanism 3 also includes a hydraulic cylinder sensing component 35 for sensing the moving position of the push-pull plate 312 and a mold frame sensing switch 36 disposed on the lifting platform 1 for sensing the position of the mold frame 21. Through the cooperation of the hydraulic cylinder sensing component 35 and the mold frame sensing switch 36, this application can detect in real time the extension and retraction of the piston rod 313 on the drive cylinder 311 and the position of the mold frame 21. Specifically, the hydraulic cylinder sensing component 35 is disposed on the lifting platform 1 and includes a mounting bracket 351 disposed on the side of the guide seat 314 on the lifting platform 1, a first sensing switch 352 and a second sensing switch 353 spaced apart on the mounting bracket 351, and a sensing block 354 disposed on the surface opposite the push-pull plate 312 and the mounting bracket 351. When When the mold frame 21 enters the lifting platform 1, the piston rod 313 drives the push-pull plate 312 to extend outward, so that the sensing block 354 is opposite to the first sensing switch 352, and the first sensing switch 352 can receive the signal emitted by the sensing block 354; when the mold frame 21 enters the mold station, the piston rod 313 drives the push-pull plate 312 to retract inward, so that the sensing block 354 is opposite to the second sensing switch 353, and the second sensing switch 353 can receive the signal emitted by the sensing block 354; furthermore, this application achieves precise control of the mold frame 21 entering and exiting the mold station by adopting the structural design of the limit seat 316, the limit stop 317, the hydraulic cylinder sensing component 35 and the mold frame sensing switch 36, thereby improving the repeatability positioning accuracy of the double swing arm mold moving device.

[0034] The specific working principle of this application is as follows:

[0035] When the mold frame 21 is sent into the lifting platform 1, the piston rod 313 of the drive cylinder 311 extends outward, driving the push-pull plate 312 to move forward along the moving groove. The transmission rack segment 342 on the push-pull plate 312 drives the rotating gear 341 meshing with it to rotate clockwise. The rotating gear 341 can drive another rotating gear 341 meshing with it to rotate counterclockwise, so that the two rotating seats 32 and the two swing arms 33 swing synchronously, thereby driving the mold frame 21 to move away from the mold station position in the horizontal direction and smoothly push it to the lifting platform 1.

[0036] When the mold frame 21 is sent into the mold station, the piston rod 313 of the drive cylinder 311 retracts inward, causing the push-pull plate 312 to move in the opposite direction. This causes the transmission rack segment 342 on the push-pull plate 312 to drive the rotating gear 341 meshing with it to rotate counterclockwise. The rotating gear 341 can drive another rotating gear 341 meshing with it to rotate clockwise, causing the two rotating seats 32 and the two swing arms 33 to swing synchronously, thereby driving the mold frame 21 to move away from the lifting platform 1 in the horizontal direction and smoothly push it to the mold station.

[0037] The above description is merely a preferred embodiment of the present utility model, and therefore cannot be construed as limiting the scope of the present utility model. All equivalent changes and modifications made in accordance with the scope of the present utility model application and the contents of the specification should still fall within the scope of the present utility model application.

Claims

1. A double-swing-arm mold transfer device, characterized in that: Includes lifting platform, mold assembly, and moving mechanism; The mold assembly includes a mold frame that is movable horizontally on a lifting platform and a mold supported on the mold frame; A moving mechanism, mounted on a lifting platform, connects to and drives the mold frame to move back and forth in the horizontal direction. The moving mechanism includes a drive assembly mounted on the lifting platform, two rotating seats mounted opposite each other on the lifting platform, two swing arms mounted on the two rotating seats and movably connected to the mold frame, and a transmission assembly mounted between the drive assembly and the two swing arms. The first end of each swing arm is movably connected to the rotating seat, and the second end is movably connected to the mold frame. The drive assembly drives the two swing arms to rotate via the transmission assembly, thereby moving the mold frame horizontally into or away from the mold station and onto the lifting platform.

2. The double-swing arm mold transfer device according to claim 1, characterized in that: The drive assembly includes a drive cylinder mounted on the lifting platform and a push-pull plate connected to the output end of the drive cylinder. The drive cylinder has a reciprocating piston rod. The push-pull plate is connected to the front end of the piston rod. The piston rod can drive the push-pull plate to extend outward, causing the two swing arms to rotate, thereby driving the mold frame away from the mold station and into the lifting platform.

3. The double-swing arm type mold transfer device according to claim 2, characterized in that: The transmission assembly includes two rotating gears that are rotatably mounted on two rotating seats and mesh with each other, and a transmission rack segment mounted on a push-pull plate and meshing with one of the rotating gears. The driving cylinder drives the push-pull plate to move, so that the two rotating gears rotate under the action of the transmission rack segment, thereby driving the two swing arms to rotate synchronously outward or inward.

4. The double-swing arm mold transfer device according to claim 2, characterized in that: The drive assembly also includes a guide seat for limiting the direction of movement of the push-pull plate, and the guide seat has a moving groove for the push-pull plate to move back and forth.

5. A double-swing arm mold transfer device according to claim 4, characterized in that: The drive assembly further includes a limiting member for limiting the moving distance of the push-pull plate. The limiting member includes a limiting seat located at the front end of the guide seat on the lifting platform and a limiting block located on the lifting platform between two swing arms. The width of the first end of the swing arm is greater than the width of its second end, and the limiting block is located between the second ends of the two swing arms.

6. The double-swing arm type mold transfer device according to claim 1, characterized in that: The moving mechanism also includes a hydraulic cylinder sensing component for sensing the moving position of the push-pull plate. The hydraulic cylinder sensing mechanism is set on the lifting platform and includes a mounting bracket set on the side of the guide seat on the lifting platform, a first sensing switch and a second sensing switch set at intervals on the mounting bracket, and a sensing block set on the opposite surface of the push-pull plate and the mounting bracket.

7. The double-swing arm type mold transfer device according to claim 1, characterized in that: The moving mechanism also includes a mold frame sensing switch installed on the lifting platform for sensing the position of the mold frame.

8. A double-swing arm mold transfer device according to claim 1, characterized in that: The first end of the swing arm is rotatably mounted on the lifting platform via a rotating seat, the second end of the swing arm is provided with a sliding pin, and the mold frame is formed with a sliding groove that allows the sliding pin to move back and forth.

9. A double-swing arm mold transfer device according to claim 1, characterized in that: The lifting platform includes two guide plates extending upward from both sides of its top and a baffle plate disposed on one side thereon. The two guide plates respectively cooperate with the two sides of the mold frame, and the baffle plate can abut against the mold frame.

10. A double-swing-arm mold transfer device according to claim 9, characterized in that: The top of the guide plate has two downwardly extending stepped portions on both sides, the side end of the mold frame is inclined, and the stepped portions have inclined guide surfaces that cooperate with the side end of the mold frame.

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