An EPP foamed product forming device

Abstract

The application relates to the field of foamed product forming, and discloses an EPP foamed product forming device which comprises a frame body, a fixing frame and a sliding frame. A hydraulic device drives the sliding frame to slide. The fixing frame is fixedly connected to the frame body, and the sliding frame is slidably connected to the frame body. A fixed mold is connected to the fixing frame. A mold frame is detachably connected to the sliding frame. An active mold is detachably connected to the mold frame. The sliding frame slides close to the fixing frame, so that the active mold is matched and attached to the fixed mold. The application has the following advantages and effects: the up-and-down sliding and installation limiting of the mold frame on the sliding frame are realized through a supporting plate, a lifting device and plug-in columns arranged on the supporting plate, and the mold frame can be quickly replaced; through the up-and-down sliding of the supporting plate, the mold frame is lifted, the blocking plate one and the blocking plate two are simultaneously and synchronously moved towards or away from each other, and the stability of the mold frame in the sliding and disassembly of the connecting sliding groove is improved.

Description

Technical Field

[0001] This invention relates to the field of foam molding equipment, and in particular to an EPP foam molding apparatus. Background Technology

[0002] Existing foam molding machines are complicated to install and require mold replacement, which wastes a lot of time. Furthermore, the mold replacement cannot be tailored to different production needs.

[0003] Patent application number 2022107977657 discloses a foam plastic foaming molding machine with quick mold changing, including a base and a support frame 1 and a support frame 2 set on the top of the base. A movable frame is set between the support frame 1 and the support frame 2, and a mold changing mechanism is set between the movable frames. The mold changing mechanism includes a connecting body and a connecting plate 1. The connecting plate 1 includes a connecting plate 1 shell. A movable rod is set in the inner cavity of the connecting plate 1 shell. Multiple pushing blocks are set from top to bottom on one side of the movable rod. Limiting blocks are set on both sides of the connecting plate 1, and the limiting blocks are engaged with the movable frame.

[0004] The actual technical effect achieved by the above solution is to enable the mold changing mechanism to lock and release quickly on the support frame. However, the replacement of the mold still requires the mold changing mechanism to be pulled out from the top of the support frame by hoisting, and then inserted back into the support frame by hoisting. The replacement of the mold is still very inconvenient. Summary of the Invention

[0005] The purpose of this invention is to provide an EPP foam molding device that facilitates the replacement of movable molds.

[0006] The above-mentioned technical objective of the present invention is achieved through the following technical solution: an EPP foam molding device, comprising a frame, a fixed frame, and a sliding frame, wherein the fixed frame is fixedly connected to the frame, the sliding frame is slidably connected to the frame, a fixed mold is connected to the fixed frame, a mold frame is detachably connected to the sliding frame, a movable mold is detachably connected to the mold frame, the sliding frame slides closer to the fixed frame so that the movable mold matches and fits with the fixed mold, the sliding frame is provided with a connecting groove for the side of the mold frame to extend into and slide, and a part located below the mold frame is inserted into the connecting groove. The mold frame has a square limiting block, and a positioning groove is provided in the connecting groove for the limiting block to slide into. The limiting block contacts the bottom of the mold frame to restrict the falling of the mold frame. A material discharge frame is fixedly connected to the frame, and a support plate is slidably connected to the material discharge frame. A lifting device is provided on the material discharge frame to drive the support plate to slide up and down. A plug-in post is slidably connected to the bottom of the support plate. A positioning rod is provided at the end of the limiting block. The positioning rod and the plug-in post are axially fixed by a tenon and mortise connection. The plug-in post slides radially with the support plate and connects to the positioning rod.

[0007] By adopting the above technical solution, when it is necessary to replace the movable mold, the drive sliding frame slides towards the discharge frame so that the mold frame is above the support plate. The lifting device drives the support plate to slide upward and contact the bottom of the mold frame and support the mold frame, so that the mold frame is separated from the bottom limiting block. During this process, the positioning rod and the plug-in plate are connected by tenons and mortise and tenons and generate axial fixation. When the limiting block no longer bears the pressure from the mold frame, the limiting block is pulled out from the positioning groove by sliding the plug-in rod, so that the mold frame can slide smoothly in the connecting groove. At the same time, the lifting device drives the mold frame to fall to achieve the separation of the mold frame.

[0008] A further configuration of the present invention is: a guide ring is provided on the support plate, and the driving device drives the limiting block to slide into or out of the guide ring.

[0009] By adopting the above technical solution, the guide ring guides the sliding of the limiting block and provides positioning support for the limiting block that slides out of the positioning groove, thus preventing the limiting block from falling.

[0010] A further configuration of the present invention is as follows: a positioning pin is slidably connected within the mold frame, the sliding direction of the positioning pin is the same as the sliding direction of the support plate, the positioning pin includes a sensing post, a locking post, and a connecting rod fixedly connected between the sensing post and the locking post, the sensing post and the locking post extend out from the bottom of the mold frame, the limiting block is provided with a locking hole for the locking post to be inserted, the support plate slides into contact with the sensing post and pushes the positioning pin to slide into the mold frame, and when the support plate contacts the mold frame, the locking post disengages from the locking hole.

[0011] By adopting the above technical solution, when the mold frame is installed on the sliding frame and the limiting block supports the mold frame, the positioning pin falls, causing the locking pin and the sensing pin to extend from the bottom of the mold frame and insert into the locking hole, thereby positioning and locking the limiting block, improving the stability of the limiting block setting. When it is necessary to replace the movable mold, the support plate slides close to the bottom of the mold frame and contacts the sensing pin, pushing the positioning pin to slide into the mold frame. When the support plate contacts the mold frame, the locking pin disengages from the locking hole, thus removing the locking of the limiting block when the driving device applies a pulling force to the limiting block.

[0012] A further feature of the present invention is that the side wall of the connecting slide is provided with a discharge port for the mold frame to enter and exit, and the discharge port is located at the bottom of the connecting slide.

[0013] By adopting the above technical solution, when replacing the sliding frame, the transfer car can be moved under the mold frame. When the mold frame moves to the bottom of the sliding frame, the mold frame falls onto the transfer car. Pushing the transfer car causes the mold frame to be discharged from the discharge port. Another transfer car pushes the new mold frame to move so that both ends of the mold frame enter the connecting chute from the discharge port.

[0014] A further configuration of the present invention is as follows: a baffle plate located at the bottom of the discharge port is slidably connected to the sliding frame, the baffle plate extends slidably out of the end face of the discharge port, and a toggle rod is fixedly connected to the baffle plate. The support plate detaches from the mold frame and slides away from the mold frame to contact the toggle rod, pushing the baffle plate away from the discharge port.

[0015] By adopting the above technical solution, when the mold frame moves to the bottom of the connecting slide, the support plate continues to move downward, applying a downward pushing force to the actuating rod so that the baffle plate moves away from the discharge port, thus opening the discharge port. When a new mold frame enters the connecting slide, the support plate moves upward, and the baffle plate extends from below the discharge port, thereby limiting the mold frame at the discharge port of the connecting slide and improving the stability of the mold frame moving upward.

[0016] A further configuration of the present invention is as follows: a second baffle plate located at the top of the discharge port is slidably connected to the sliding frame, the second baffle plate slidably extends out of the end face of the discharge port, a transmission rod is fixedly connected to the first baffle plate, a transmission connecting rod is provided between the transmission rod and the second baffle plate, the transmission connecting rod is hinged to the sliding frame, an active column and a driven column are respectively provided on the end faces of the transmission rod and the second baffle plate, and a transmission groove is provided at both ends of the transmission connecting rod for the active column and the driven column to extend into, and the hinge point of the transmission connecting rod is located between the two transmission grooves.

[0017] By adopting the above technical solution, when the first baffle slides away from the discharge port, the transmission rod moves together with the first baffle. Through the lever action of the transmission link, the second baffle is driven to extend from above the discharge port, further improving the stability of the mold frame moving upward.

[0018] A further embodiment of the present invention is that the lifting device includes two sprockets rotatably connected to the frame, a transmission chain sleeved between the two sprockets, and a drive motor for driving the sprockets to rotate, and the support plate is fixedly connected to the transmission chain.

[0019] A further feature of the present invention is that a guide column is fixedly connected to the frame, and the support plate is slidably connected to the guide column.

[0020] A further feature of the present invention is that the support plate is provided with a guide groove for the guide post to pass through, and a positioning roller that fits against the guide post is rotatably connected in the guide groove.

[0021] The beneficial effects of this invention are:

[0022] 1. The mold frame slides up and down on the sliding frame and is installed with limit by means of support plate, lifting device and plug-in column set on support plate, so as to realize the quick replacement of mold frames;

[0023] 2. By sliding the support plate up and down, the mold frame is lifted while the first and second baffle plates move synchronously towards or away from each other, which improves the stability of the mold frame sliding and disassembling in the connecting groove. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a structural schematic diagram of this embodiment.

[0026] Figure 2 This is a schematic diagram of the connection relationship of the sliding frame in this embodiment.

[0027] Figure 3 This is a schematic diagram of the lifting device in this embodiment.

[0028] Figure 4 This is a schematic diagram of the connecting slide in this embodiment.

[0029] Figure 5 This is the embodiment. Figure 4 Enlarged diagram of point A in the middle.

[0030] Figure 6 This is a schematic diagram of the connection relationship of the positioning pins in this embodiment.

[0031] In the diagram, 1. Frame; 11. Hydraulic device; 12. Guide column; 2. Fixed frame; 3. Sliding frame; 31. Connecting slide groove; 311. Positioning slide groove; 32. Limiting block; 321. Locking hole; 33. Positioning rod; 4. Mold frame; 41. Movable mold; 5. Discharge rack; 51. Support plate; 511. Guide groove; 512. Positioning roller; 52. Insertion and extraction column; 53. Guide ring; 6. Lifting device; 61. Sprocket; 62. Transmission chain; 7. Positioning pin; 71. Sensing column; 72. Locking column; 73. Connecting rod; 8. Discharge port; 81. Baffle plate one; 811. Transmission rod; 812. Conveying link; 813. Driving column; 814. Driven column; 815. Conveying slide groove; 82. Actuating rod; 83. Return spring; 84. Baffle plate two. Detailed Implementation

[0032] The technical solution of the present invention will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are merely some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0033] Example: An EPP foam molding apparatus, such as Figure 1-3 As shown, the system includes a frame 1, a fixed frame 2, and a sliding frame 3. A hydraulic device 11 drives the sliding frame 3 to slide. The fixed frame 2 is fixedly connected to the frame 1, and the sliding frame 3 is slidably connected to the frame 1. A fixed mold is connected to the fixed frame 2, and a mold frame 4 is detachably connected to the sliding frame 3. A movable mold 41 is detachably connected to the mold frame 4. The sliding frame 3 slides closer to the fixed frame 2 so that the movable mold 41 matches and fits with the fixed mold. The sliding frame 3 is provided with a connecting groove 31 for the side of the mold frame 4 to extend into and slide. A limiting block 32 located below the mold frame 4 is inserted into the connecting groove 31. A positioning groove 311 is provided in the connecting groove 31 for the limiting block 32 to slide into. The positioning block 32 contacts the bottom of the mold frame 4 to restrict the mold frame 4 from falling. A material discharge frame 5 is fixedly connected to the frame 1. A support plate 51 is slidably connected to the material discharge frame 5. A lifting device 6 is provided on the material discharge frame 5 to drive the support plate 51 to slide up and down. A plug-in column 52 is slidably connected to the bottom of the support plate 51. A positioning rod 33 is provided at the end of the limiting block 32. The positioning rod 33 and the plug-in column 52 are axially fixed by a tenon and mortise connection. The plug-in column 52 slides radially with the support plate 51 and is connected to the positioning rod 33. A driving device is provided at the bottom of the support plate 51 to drive the plug-in column 52 to slide back and forth axially. The driving device is a cylinder.

[0034] like Figure 3 As shown, the lifting device 6 includes two sprockets 61 rotatably connected to the frame 1, a transmission chain 62 sleeved between the two sprockets 61, and a drive motor for driving the sprockets 61 to rotate. A support plate 51 is fixedly connected to the transmission chain 62. A guide post 12 is fixedly connected to the frame 1, and the support plate 51 is slidably connected to the guide post 12. A guide groove 511 is provided on the support plate 51 for the guide post 12 to pass through, and a positioning roller 512 that fits against the guide post 12 is rotatably connected in the guide groove 511. When the movable mold 41 needs to be replaced, the hydraulic device 11 drives the sliding frame 3 to slide towards the discharge frame 5 so that the mold frame 4 is located above the support plate 51. The lifting device 6 drives the support plate 51 to slide upward and contact the bottom of the mold frame 4 and support the mold frame 4, so that the mold frame 4 is separated from the bottom limiting block 32. During this process, the positioning rod 33 and the insertion plate are connected by tenon and tenon and axially fixed. When the limiting block 32 no longer bears the pressure from the mold frame 4, the cylinder drives the insertion rod to slide and pull the limiting block 32 out of the positioning slide groove 311, so that the mold frame 4 can slide smoothly in the connecting slide groove 31 and fall along the connecting slide groove 31.

[0035] like Figure 4 , Figure 5 As shown, a guide ring 53 is provided on the support plate 51. The driving device drives the limiting block 32 to slide into or out of the guide ring 53. The guide ring 53 guides the sliding of the limiting block 32 and at the same time positions and supports the limiting block 32 that slides out of the positioning groove 311, thus limiting the falling of the limiting block 32.

[0036] like Figure 6 As shown, a positioning pin 7 is slidably connected inside the mold frame 4. The sliding direction of the positioning pin 7 is the same as the sliding direction of the support plate 51. The positioning pin 7 includes a sensing post 71, a locking post 72, and a connecting rod 73 fixedly connected between the sensing post 71 and the locking post 72. The sensing post 71 and the locking post 72 extend out of the bottom of the mold frame 4. The limiting block 32 is provided with a locking hole 321 for the locking post 72 to be inserted. The support plate 51 slides into contact with the sensing post 71 and pushes the positioning pin 7 to slide into the mold frame 4. When the support plate 51 contacts the mold frame 4, the locking post 72 disengages from the locking hole 321. When the mold frame 4 is installed on the sliding frame 3 and the limiting block 32 supports the mold frame 4, the positioning pin 7 falls, causing the locking pin 72 and the sensing pin 71 to extend from the bottom of the mold frame 4 and insert into the locking hole 321, thereby positioning and locking the limiting block 32 and improving the stability of the limiting block 32. When it is necessary to replace the movable mold 41, the support plate 51 slides close to the bottom of the mold frame 4 and contacts the sensing pin 71, pushing the positioning pin 7 to slide into the mold frame 4. When the support plate 51 contacts the mold frame 4, the locking pin 72 disengages from the locking hole 321, thus removing the lock on the limiting block 32 when the driving device applies a pulling force to the limiting block 32.

[0037] like Figure 4 As shown, the side wall of the connecting slide 31 is provided with a discharge port 8 for the mold frame 4 to enter and exit, and the discharge port 8 is located at the bottom of the connecting slide 31. A baffle plate 81 located at the bottom of the discharge port 8 is slidably connected to the sliding frame 3. The baffle plate 81 extends out of the end face of the discharge port 8. A toggle rod 82 is fixedly connected to the baffle plate 81. The support plate 51 is detached from the mold frame 4 and slides away from the mold frame 4 to contact the toggle rod 82, pushing the baffle plate 81 away from the discharge port 8. A return spring 83 is provided below the baffle plate 81 to push the baffle plate 81 out from below the discharge port 8. A second baffle plate 84 is slidably connected to the sliding frame 3 at the top of the discharge port 8. The second baffle plate 84 extends slidably out of the end face of the discharge port 8. A transmission rod 811 is fixedly connected to the first baffle plate 81. A transmission link 812 is provided between the transmission rod 811 and the second baffle plate 84. The transmission link 812 is hinged to the sliding frame 3. An active column 813 and a driven column 814 are respectively provided on the end faces of the transmission rod 811 and the second baffle plate 84. A transmission groove 815 is provided at both ends of the transmission link 812 for the active column 813 and the driven column 814 to extend into. The hinge point of the transmission link 812 is located between the two transmission grooves 815. When the mold frame 4 moves to the bottom of the connecting slide 31, the support plate 51 continues to move downward, applying a downward pushing force to the actuating rod 82, causing the first baffle plate 81 to move away from the discharge port 8. The transmission rod 811 moves together with the first baffle plate 81. Through the lever action of the transmission link 812, the second baffle plate 84 is driven to disengage from above the discharge port 8, thus opening the discharge port 8. When the return spring 83 drives the first baffle plate 81 to slide away from the discharge port 8, the first baffle plate 81 extends out from the bottom of the discharge port 8. The transmission rod 811 moves together with the first baffle plate 81. Through the lever action of the transmission link 812, the second baffle plate 84 extends out from above the discharge port 8, thus limiting the mold frame 4 at the discharge port 8 of the connecting slide 31 and improving the stability of the mold frame 4 moving upward.

[0038] When replacing the mold frame 4, the hydraulic device 11 drives the sliding frame 3 to slide towards the discharge frame 5, so that the mold frame 4 is above the support plate 51. The transfer cart is pushed below the mold frame 4, with gaps left horizontally between the two sides of the transfer cart and the support plate 51. The lifting device 6 drives the support plate 51 to slide upward and contact the bottom of the mold frame 4, supporting the mold frame 4. During this process, the positioning rod 33 and the insertion plate are connected by tenons and mortise and tenons and are axially fixed. When the limiting block 32 no longer bears the pressure from the mold frame 4, the cylinder drives the insertion rod. The limiting block 32 is pulled out of the positioning groove 311 by sliding. After the limiting block 32 is completely separated from the positioning groove 311, the lifting device 6 drives the support plate 51 to fall, causing the mold frame 4 to fall. When the mold frame 4 moves below the connecting groove 31 and is placed on the transfer car, the support plate 51 continues to fall, applying a downward pushing force to the lever 82, causing the first baffle plate 81 and the second baffle plate 84 to disengage from the discharge port 8, thereby opening the discharge port 8. The lifting device 6 stops, and the mold frame 4 is taken out from the discharge port 8 by moving the transfer car.

[0039] After removing the mold frame 4, the mold frame 4 with the new mold is moved to the discharge port 8 by a transfer vehicle, so that both ends of the new mold frame 4 extend into the discharge port 8. The lifting device 6 drives the support plate 51 to rise. The return spring 83 drives the first baffle plate 81 and the second baffle plate 84 to move towards each other to block the feed port and improve the stability of the mold frame 4 moving upward. The lifting device 6 drives the support plate 51 to continue to rise and contact the bottom of the mold frame 4 and push the mold frame 4 to move upward in the connecting slide groove 31. When the limiting block 32 is aligned with the positioning slide groove 311, the lifting device 6 stops. The cylinder drives the limiting block 32 to slide into the positioning slide groove 311. Then the lifting device 6 drives the support plate 51 to fall. The positioning rod 33 and the insertion and extraction column 52 move radially to disengage.

Claims

1. An EPP foam molding device, comprising a frame (1), a fixed frame (2), and a sliding frame (3), wherein the fixed frame (2) is fixedly connected to the frame (1), the sliding frame (3) is slidably connected to the frame (1), a fixed mold is connected to the fixed frame (2), a mold frame (4) is detachably connected to the sliding frame (3), and a movable mold (41) is detachably connected to the mold frame (4), wherein the sliding frame (3) slides close to the fixed frame (2) so that the movable mold (41) matches and fits the fixed mold, characterized in that: The sliding frame (3) is provided with a connecting groove (31) for the side of the mold frame (4) to extend into and slide. A limiting block (32) located below the mold frame (4) is inserted into the connecting groove (31). A positioning groove (311) is provided in the connecting groove (31) for the limiting block (32) to slide into. The limiting block (32) contacts the bottom of the mold frame (4) to restrict the mold frame (4) from falling. A discharge frame (5) is fixedly connected to the frame body (1). A support plate (51) is slidably connected to the discharge frame (5). The discharge frame (5) is provided with a connecting groove (31) for the side of the mold frame (4) to slide into and slide into. A lifting device (6) is provided to drive the support plate (51) to slide up and down. A plug-in column (52) is slidably connected to the bottom of the support plate (51). A positioning rod (33) is provided at the end of the limiting block (32). The positioning rod (33) and the plug-in column (52) are axially fixed by a tenon and mortise connection. The plug-in column (52) slides radially with the support plate (51) and is connected to the positioning rod (33). A driving device is provided at the bottom of the support plate (51) to drive the plug-in column (52) to slide back and forth axially.

2. The EPP foam molding apparatus according to claim 1, characterized in that: The support plate (51) is provided with a guide ring (53), and the driving device drives the limiting block (32) to slide into or out of the guide ring (53).

3. The EPP foam molding apparatus according to claim 2, characterized in that: A positioning pin (7) is slidably connected inside the mold frame (4). The sliding direction of the positioning pin (7) is the same as the sliding direction of the support plate (51). The positioning pin (7) includes a sensing post (71), a locking post (72), and a connecting rod (73) fixedly connected between the sensing post (71) and the locking post (72). The sensing post (71) and the locking post (72) extend out of the bottom of the mold frame (4). The limiting block (32) is provided with a locking hole (321) for the locking post (72) to be inserted. The support plate (51) slides to contact the sensing post (71) and pushes the positioning pin (7) to slide into the mold frame (4). When the support plate (51) contacts the mold frame (4), the locking post (72) disengages from the locking hole (321).

4. An EPP foam molding apparatus according to any one of claims 1-3, characterized in that: The connecting slide (31) has a discharge port (8) on its side wall for the mold frame (4) to enter and exit. The discharge port (8) is located at the bottom of the connecting slide (31).

5. The EPP foam molding apparatus according to claim 4, characterized in that: A baffle plate (81) located at the bottom of the discharge port (8) is slidably connected to the sliding frame (3). The baffle plate (81) extends out of the end face of the discharge port (8). A lever (82) is fixedly connected to the baffle plate (81). The support plate (51) disengages from the mold frame (4) and slides away from the mold frame (4) to contact the lever (82) and push the baffle plate (81) away from the discharge port (8).

6. The EPP foam molding apparatus according to claim 5, characterized in that: A second baffle plate (84) located at the top of the discharge port (8) is slidably connected to the sliding frame (3). The second baffle plate (84) extends slidably out of the end face of the discharge port (8). A transmission rod (811) is fixedly connected to the first baffle plate (81). A transmission link (812) is provided between the transmission rod (811) and the second baffle plate (84). The transmission link (812) is hinged to the sliding frame (3). An active column (813) and a driven column (814) are respectively provided on the end faces of the transmission rod (811) and the second baffle plate (84). A transmission groove (815) is provided at both ends of the transmission link (812) for the active column (813) and the driven column (814) to extend into. The hinge point of the transmission link (812) is located between the two transmission grooves (815).

7. An EPP foam molding apparatus according to any one of claims 1, characterized in that: The lifting device (6) includes two sprockets (61) rotatably connected to the frame (1), a transmission chain (62) sleeved between the two sprockets (61), and a drive motor that drives the sprockets (61) to rotate. The support plate (51) is fixedly connected to the transmission chain (62).

8. The EPP foam molding apparatus according to claim 7, characterized in that: The frame (1) is fixedly connected to a guide column (12), and the support plate (51) is slidably connected to the guide column (12).

9. The EPP foam molding apparatus according to claim 8, characterized in that: The support plate (51) is provided with a guide groove (511) through which the guide post (12) passes, and a positioning roller (512) that fits against the guide post (12) is rotatably connected in the guide groove (511).

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