Demolding device for memory foam production
By setting up a demolding device with a rotating mechanism and air holes, the box is inverted and demolded with air pressure, which solves the problem of memory foam sticking to the mold groove and achieves efficient and non-destructive demolding of the foam.
Patent Information
- Application Number
- CN202423100702.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2034-12-16
AI Technical Summary
In existing technologies, memory foam tends to stick to the inner wall of the mold cavity during the demolding process, causing the foam to be torn and damaged during manual or mechanical demolding, making demolding inconvenient.
Design a demolding device that includes a rotating mechanism and air holes. The device assists in demolding the sponge by inverting the box and applying air pressure using a movable base plate and air holes.
This achieves efficient demolding of the sponge, reduces the risk of the sponge being torn or damaged, and improves demolding efficiency and convenience.
Smart Images

Figure CN223877340U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sponge demoulding technical field, more specifically, it relates to a demoulding device for memory sponge production. BACKGROUND
[0002] Memory sponge refers to the polyether type polyurethane foam sponge with slow rebound mechanical property, in the production and processing of sponge, usually, foaming resin, foaming auxiliary agent and adhesive resin and the like preparation raw materials are mixed uniformly according to proportion, then the mixed uniform liquid is placed in mould, the mixed liquid will continuously expand and foam in the mould, and the closed pores are broken by mechanical force, and then cooling and setting, and the foaming sponge can be prepared.
[0003] After the sponge is cooled and set in the mold groove in the mold, the sponge is usually taken out from the mold groove by manual demolding and mechanical demolding, but when the cooled and shaped sponge is taken out from the mold groove by manual operation, the sponge is easy to be in close contact or adhered to the inner wall of the mold groove after foaming, and the sponge can be taken out only by force, and the sponge is easy to be torn and damaged in the process of taking out the sponge, and the demolding is inconvenient, and when the cooled and shaped sponge is taken out from the mold groove by mechanical operation, the sponge is not easy to be completely separated from the inner wall of the mold groove, and a part of the sponge is still adhered to the inner wall of the mold groove, and the sponge is also easy to be torn and damaged in the process of taking out the sponge.
[0004] Therefore, a scheme needs to be proposed to solve this problem. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a demoulding device for memory sponge production, which is characterized by the following technical solutions: a demoulding device for memory sponge production, comprising a support, a box body rotatably connected to the support, a conveyor belt arranged below the box body, a rotating mechanism arranged on the support and used to rotate the box body, a bottom plate slidably connected to the inner wall of the box body, a mounting bracket fixedly connected to the lower end surface of the box body, a driving mechanism arranged on the mounting bracket and used to drive the bottom plate to slide, an opening arranged in the bottom wall of the box body and used for the driving mechanism to pass through, and a demoulding mechanism arranged on the side wall of the box body.
[0006] The above technical purpose of the utility model is achieved by the following technical solutions: a demoulding device for memory sponge production, comprising a support, a box body rotatably connected to the support, a conveyor belt arranged below the box body, a rotating mechanism arranged on the support and used to rotate the box body, a bottom plate slidably connected to the inner wall of the box body, a mounting bracket fixedly connected to the lower end surface of the box body, a driving mechanism arranged on the mounting bracket and used to drive the bottom plate to slide, an opening arranged in the bottom wall of the box body and used for the driving mechanism to pass through, and a demoulding mechanism arranged on the side wall of the box body.
[0007] The utility model further sets up: the driving mechanism includes having the accommodating groove, the accommodating groove sets up in the one side of mounting frame close box, the two way screw rod is rotatively connected in the accommodating groove, the left hand thread section and the right hand thread section of two way screw rod all set up the nut seat one on, all set up the rotating lever of one end rotationally connected on the nut seat one of both sides, the bottom plate one side close the opening is fixedly connected with the lug, the other end of both sides rotating lever all are rotationally connected with the lug, the cavity is seted up in the mounting frame, the motor one for driving two way screw rod rotation is installed in the cavity.
[0008] The utility model further sets up: the demolding mechanism includes setting up the air cavity on the inner wall of box, the inner wall of air cavity is fixedly connected with the baffle, the surface of baffle is flush with the inner wall of box, a plurality of array distribution's air holes are seted up on the baffle, the air pipe of one end with its conduction is provided on the inner wall of air cavity, the bottom wall of mounting frame is fixedly connected with the air pump, the other end of air pipe is connected with air pump.
[0009] The utility model further sets up: the rotating mechanism includes the gear with the support rotationally connected, the axle center of gear is fixedly connected with the one side of box, the other side of box is rotationally connected with support, the outer wall of support is fixedly connected with two symmetrical distribution's fixed plate, the fixed plate between both sides is rotatively connected with the screw rod, the motor no.
[0010] The utility model further sets up: the fixed plate between both sides is fixedly connected with the limit rod, the limit groove that the limit rod passes through is seted up on the nut seat two of screw rod.
[0011] Summarized above, the utility model has following beneficial effect:
[0012] The utility model discloses through setting up rotating mechanism and through movable bottom plate and air hole and the air pressure of sponge's side wall of moving, the demolding of sponge is convenient, and the demolding effect of sponge is better. ACCURACY OF DRAWINGS
[0013] Fig. 1 It is the whole structure schematic diagram of the utility model;
[0014] Fig. 2 It is the structure schematic diagram of rotating mechanism in the utility model.
[0015] In the diagram: 1. Bracket; 2. Housing; 3. Base plate; 4. Mounting bracket; 5. Opening; 6. Receiving groove; 7. Two-way lead screw; 8. Nut seat one; 9. Rotating rod; 10. Limiting rod; 11. Motor one; 12. Air chamber; 13. Baffle; 14. Air pipe; 15. Air pump; 16. Gear; 17. Rack; 18. Lead screw; 19. Nut seat two; 20. Motor two; 21. Air hole. Detailed Implementation
[0016] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of this application can be combined with each other.
[0017] In the description of this utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0018] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "set up / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0019] The present invention will now be described in detail with reference to the accompanying drawings.
[0020] A demolding device for memory foam production, such as Figs. 1-2 As shown, it includes a support 1, a box 2 rotatably connected to the support 1, a conveyor belt below the box 2, a rotating mechanism for driving the box 2 to rotate on the support 1, a base plate 3 slidably connected to the inner wall of the box 2, a mounting frame 4 fixedly connected to the lower end face of the box 2, a driving mechanism for driving the base plate 3 to slide on the mounting frame 4, an opening 5 for the driving mechanism to pass through the bottom wall of the box 2, and a demolding mechanism on the side wall of the box 2.
[0021] The driving mechanism comprises a containing groove 6 arranged on one side of the mounting frame 4 close to the box body 2, a bidirectional screw rod 7 rotatably connected in the containing groove 6, a nut seat one 8 sleeved on the left-hand thread section and the right-hand thread section of the bidirectional screw rod 7, the nut seat one 8 abutting against the inner wall of the containing groove 6 to avoid self-rotation of the nut seat one 8 along with the bidirectional screw rod 7, a rotating rod 9 rotatably connected to one end of the nut seat one 8 on the two sides, a protrusion fixedly connected to one side of the bottom plate 3 close to the opening 5, the other end of the rotating rod 9 on the two sides rotatably connected to the protrusion, a cavity formed in the mounting frame 4, and a motor one 11 for driving the bidirectional screw rod 7 to rotate installed in the cavity, the motor one 11 being a servo motor, and one end of the bidirectional screw rod 7 in transmission connection with the output shaft of the motor one 11.
[0022] The demolding mechanism comprises an air cavity 12 arranged on the inner wall of the box body 2, a baffle 13 fixedly connected to the inner wall of the air cavity 12, the surface of the baffle 13 flush with the inner wall of the box body 2, a plurality of air holes 21 arranged in an array formed in the surface of the baffle 13, an air pipe 14 having one end in communication with the air cavity 12, and a gas pump 15 fixedly connected to the bottom wall of the mounting frame 4, the other end of the air pipe 14 connected to the gas pump 15.
[0023] The rotating mechanism comprises a gear 16 rotatably connected to the support 1, the axle of the gear 16 fixedly connected to one side of the box body 2, the other side of the box body 2 rotatably connected to the support 1, two symmetrical fixed plates fixedly connected to the outer wall of the support 1, a screw rod 18 rotatably connected between the two fixed plates, a motor two 20 for driving the screw rod 18 to rotate installed on one side of the fixed plate, the motor two 20 being a servo motor, one end of the screw rod 18 in transmission connection with the output shaft of the motor two 20, and a nut seat two 19 sleeved on the screw rod 18, the nut seat two 19 provided with a rack 17 engaged with the gear 16 on one side close to the gear 16.
[0024] The two fixed plates are fixedly connected with a limiting rod 10, the nut seat two 19 is provided with a limiting groove through which the limiting rod 10 passes, and the nut seat two 19 moves along the limiting rod 10, so that the nut seat two 19 cannot self-rotate along with the screw rod 18, and the movement of the nut seat two 19 is more stable.
[0025] Working principle: when the sponge is shaped in the box 2, through the motor two 20 drive screw rod 18 rotation, the rotation of screw rod 18 can drive nut seat two 19 moves, nut seat two 19 can drive rack 17 moves, rack 17 can drive gear 16 rotates, gear 16 drive box 2 rotates one hundred and eighty degrees box mouth downward, then close motor two 20, make box 2 stay in the current position, make box 2 be in the state of inversion, through motor one 11 drive bidirectional screw rod 7 to one side rotates, bidirectional screw rod 7 can drive both sides nut seat one 8 close to each other, make both sides rotating rod 9 rotates and folds, drive bottom plate 3 to the side of box mouth of box 2 moves, simultaneously, through air pump 15 and air pipe 14 to air cavity 12 blows, gas can enter into the box 2 through air hole 21, from the side wall direction to the sponge produces air pressure, auxiliary sponge demolding, this can make the demolding effect of sponge better, in the bottom and side, make the synchronous demolding of sponge, make the demolding effect of sponge better, after demolding, sponge will fall on the conveyer belt and is conveyed to the next process, more convenient and efficient;
[0026] After demolding, through motor one 11 drive bidirectional screw rod 7 to the opposite direction rotates, drive both sides nut seat one 8 far from each other, make both sides rotating rod 9 rotates and opens, drive bottom plate 3 moves back to the bottom of box 2, then through motor two 20 drive screw rod 18 to the opposite direction rotates, make rack 17 drive gear 16 and box 2 rotates to the box mouth upward, wait for the next round of processing.
[0027] The preferred embodiments of the present application are described above, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical solutions belonging to the idea of the present application are all within the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application, these improvements and decorations should also be considered as the protection scope of the present application.
Claims
1. A demolding device for memory foam production, comprising a support frame (1), characterized in that: The bracket (1) is provided with a box (2) rotatably connected to it. A conveyor belt is provided below the box (2). The bracket (1) is provided with a rotating mechanism for driving the box (2) to rotate. A base plate (3) is slidably connected to the inner wall of the box (2). A mounting frame (4) is fixedly connected to the lower end face of the box (2). A driving mechanism for driving the base plate (3) to slide is provided on the mounting frame (4). An opening (5) is provided on the bottom wall of the box (2) for the driving mechanism to pass through. A demolding mechanism is provided on the side wall of the box (2).
2. The demolding device for memory foam production according to claim 1, characterized in that: The driving mechanism includes a receiving groove (6), which is located on the side of the mounting frame (4) near the housing (2). A bidirectional lead screw (7) is rotatably connected in the receiving groove (6). Nut seats (8) are fitted on both the left-hand threaded section and the right-hand threaded section of the bidirectional lead screw (7). A rotating rod (9) is rotatably connected to one end of each nut seat (8) on both sides. A protrusion is fixedly connected to the side of the base plate (3) near the opening (5). The other ends of the rotating rods (9) on both sides are rotatably connected to the protrusion. A cavity is opened in the mounting frame (4). A motor (11) for driving the bidirectional lead screw (7) to rotate is installed in the cavity.
3. The demolding device for memory foam production according to claim 1, characterized in that: The demolding mechanism includes an air chamber (12) disposed on the inner wall of the box (2). A baffle (13) is fixedly connected to the inner wall of the air chamber (12). The surface of the baffle (13) is flush with the inner wall of the box (2). A plurality of arrayed air holes (21) are provided on the baffle (13). An air pipe (14) with one end connected to the inner wall of the air chamber (12) is provided. An air pump (15) is fixedly connected to the bottom wall of the mounting bracket (4). The other end of the air pipe (14) is connected to the air pump (15).
4. A demolding device for memory foam production according to claim 1, characterized in that: The rotating mechanism includes a gear (16) rotatably connected to the bracket (1), and one side of the housing (2) The housing (2) is fixedly connected to the shaft of the gear (16), and the other side of the housing (2) is rotatably connected to the bracket (1). Two symmetrically distributed fixed plates are fixedly connected to the outer wall of the bracket (1). A lead screw (18) is rotatably connected between the two fixed plates. A motor (20) for driving the lead screw (18) to rotate is installed on one of the fixed plates. A nut seat (19) is sleeved on the lead screw (18). A rack (17) that meshes with the gear (16) is provided on the side of the nut seat (19) near the gear (16).
5. A demolding device for memory foam production according to claim 4, characterized in that: A limiting rod (10) is fixedly connected between the two fixing plates, and a limiting groove is provided on the nut seat (19) for the limiting rod (10) to pass through.