Refrigerator false center sill foaming mold with automatic demolding function
By designing a fridge fake middle beam foaming mold for automatic mold release, using a multi-group segmented frozen mold core and a fake middle beam release mechanism, the problem of demolding difficulties caused by the fake middle beam structure in the prior art is solved, and the convenience and efficiency of mold release are achieved.
Patent Information
- Application Number
- CN202510300096.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2025-04-29
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
After the foaming of the existing refrigerator foam molds are completed, it is difficult to release the mold due to the fake middle beam structure in the freezer room, resulting in scrapping or inconvenient demolding.
A fridge false middle beam foaming mold for automatic mold release is designed, including a mold seat mechanism and a fake middle beam release mechanism. The demolding is more convenient through multi-group segmented frozen mold core and a fake middle beam release mechanism, and is not affected by the structure of the fake middle beam.
It effectively solves the problem of foaming and molding difficulties caused by obstruction of the false middle beam position, realizes the convenience and efficiency of molding, and does not require lifting and handling, saving time and effort.
Smart Images

Figure CN119897993A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of refrigerator foaming moulds, in particular to an automatic demoulding refrigerator false middle beam foaming mould. Background Art
[0002] A refrigerator is a refrigeration device that maintains a constant low temperature and requires an insulation layer, so a foaming agent is filled between the refrigerator and freezer compartments and the outer shell. The foaming agent is a thermal insulation material that will expand rapidly after filling and fill the gaps inside. After solidification, it is the same as plastic foam.
[0003] The refrigerator shell is fixed by foaming a foaming mold, but after the foaming is completed, the general foaming mold has difficulty in foaming due to the presence of a false center beam structure in the freezer compartment, resulting in scrapping, and the integrated foaming mold will be difficult to demold after foaming. Therefore, the present invention proposes an automatic demolding refrigerator false center beam foaming mold to solve the problems existing in the prior art. Summary of the invention
[0004] In view of the above problems, the present invention proposes an automatic demoulding refrigerator false center beam foaming mold, which can make demoulding more convenient and is not affected by the false center beam structure. It effectively solves the problem of difficulty in foaming demoulding caused by the obstruction of the false center beam position, and the effect is remarkable. At the same time, it can make the overall movement and adjustment of the device more convenient, without the need for lifting and transportation, saving time and effort.
[0005] In order to solve the above problems, the present invention proposes an automatic demolding refrigerator false center beam foaming mold, including a mold base mechanism and a false center beam demolding mechanism, the mold base mechanism including a base, a movable support leg mechanism, a lifting beam mechanism, a connecting seat and a foaming mold mechanism, the movable support leg mechanism is symmetrically arranged below the base, the lifting beam mechanism is arranged on the base, a connecting seat is arranged below the lifting beam mechanism, a foaming mold mechanism is arranged between the base and the bottom of the connecting seat, the false center beam demolding mechanism includes a mold base, a pushing mechanism, a connecting frame, a telescopic rod, a movable connecting plate, a lateral contraction mechanism and a bottom contraction mechanism, a mold base is arranged below the connecting seat, a connecting frame is arranged below the mold base through a pushing mechanism, a movable connecting plate is arranged downward in the connecting frame through a telescopic rod, and a lateral contraction mechanism and a bottom contraction mechanism are respectively arranged on the movable connecting plate and on the side and below of the connecting frame.
[0006] A further improvement is that the movable support leg mechanism includes a supporting leg, a retraction groove, a lifting cylinder and a universal wheel, the supporting leg is symmetrically arranged below the base, a retraction groove is arranged below the supporting leg, a lifting cylinder is arranged in the retraction groove, and a universal wheel is arranged below the lifting cylinder.
[0007] A further improvement is that the lifting beam mechanism includes a fixed seat, a lifting rod, a lifting beam and a connecting ring, lifting rods are symmetrically provided on both sides of the base through the fixed seat, a lifting beam is provided at the upper end between the lifting rods, and the lower part of the lifting beam is fixedly connected to the connecting seat through a connecting ring.
[0008] Further improvements are as follows: the foaming mold mechanism includes a bottom template, a side template, a front section of a frozen mold core, a rear section of a frozen mold core and a refrigerated mold core, a bottom template is provided above the base, side templates are erected around the top of the bottom template, a front section of a frozen mold core is provided on one side below the connecting seat, a false center beam demoulding mechanism is fixed to one side of the front section of the frozen mold core, a rear section of a frozen mold core is provided on one side of the false center beam demoulding mechanism, and a refrigerated mold core is provided on the other side of the connecting plate.
[0009] Further improvements are: the pushing mechanism includes guide rails, guide sliders and a pushing cylinder, the guide rails are symmetrically arranged below the mold seat, the guide sliders are arranged below the guide rails, the guide sliders are fixedly connected to the connecting frame below, a pushing cylinder is arranged in the middle below the mold seat, and the telescopic end of the pushing cylinder is fixedly connected to the connecting frame.
[0010] Further improvement is that: the lateral contraction mechanism includes an oblique guide groove, a movable connecting rod, an avoidance groove and a lateral mold plate, the movable connecting plate is symmetrically provided with an oblique guide groove, a movable connecting rod is slidably provided through the side of the connecting frame, one end of the movable connecting rod is provided with an avoidance groove, one end of the movable connecting rod is slidably connected to the oblique guide groove, and the other end of the movable connecting rod extends out of the side of the connecting frame provided with a lateral mold plate.
[0011] Further improvement lies in that: the bottom end retraction mechanism includes a vertical guide groove, a connecting block, a guide rod and a bottom end mold plate, vertical guide grooves are provided on both sides below the movable connecting plate, a connecting block is provided in the vertical guide groove, one end of the connecting block is slidably connected to the vertical guide groove, and a guide rod is fixedly provided below the other end, and a bottom end mold plate is provided below the guide rod and passes through the lower end of the connecting frame.
[0012] A further improvement is that guide columns are symmetrically arranged in the connection frame, and the movable connecting plate is slidably connected to the guide columns.
[0013] The beneficial effects of the present invention are as follows: the present invention makes demoulding more convenient through the multi-group segmented freezing mold core and the false center beam demoulding mechanism, which is not affected by the false center beam structure, and effectively solves the problem of difficulty in foaming demoulding caused by the obstruction of the false center beam position through the retraction of the lateral mold plate and the bottom mold plate, with significant effect. At the same time, through the setting of the movable support leg mechanism, the overall movement and adjustment of the device is more convenient, without the need for lifting and transportation, thus saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1This is the main structure of the first embodiment of the present invention;
[0015] Figure 2 Schematic diagram of a demoulding mechanism for a false center beam according to a first embodiment of the present invention;
[0016] Figure 3 It is a schematic diagram of the splicing of a side mold plate and a bottom mold plate in an embodiment of the present invention;
[0017] Figure 4 This is a front view of the second embodiment of the present invention;
[0018] Figure 5 is a partial cross-sectional side view of a second embodiment of the present invention;
[0019] Among them: 1. Base; 2. Connecting seat; 3. Mold seat; 4. Connecting frame; 5. Telescopic rod; 6. Mobile connecting plate; 7. Support foot; 8. Retraction groove; 9. Lifting cylinder; 10. Universal wheel; 11. Fixed seat; 12. Lifting rod; 13. Lifting beam; 14. Connecting ring; 15. Bottom template; 16. Side template; 17. Front section of frozen mold core; 18. Back section of frozen mold core; 19. Refrigerated mold core; 20. Guide rail; 21. Guide slider; 22. Push cylinder; 23. Oblique guide groove; 24. Mobile connecting rod; 25. Avoidance groove; 26. Lateral mold plate; 27. Vertical guide groove; 28. Connecting block; 29. Guide rod; 30. Bottom mold plate; 31. Guide column; 32. Roller rail; 33. Mobile seat; 34. Mobile roller; 35. Drive screw; 36. Drive motor. DETAILED DESCRIPTION
[0020] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with examples. The examples are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.
[0021] Embodiment 1
[0022] according to Figure 1 , Figure 2 and Figure 3As shown, this embodiment proposes an automatic demoulding refrigerator false center beam foaming mold, including a mold base mechanism and a false center beam demoulding mechanism, the mold base mechanism includes a base 1, a movable support leg mechanism, a lifting beam mechanism, a connecting seat 2 and a foaming mold mechanism, the movable support leg mechanism is symmetrically arranged below the base 1, the lifting beam mechanism is arranged on the base 1, and a connecting seat 2 is arranged below the lifting beam mechanism, and a foaming mold mechanism is arranged between the base 1 and the bottom of the connecting seat 2, the false center beam demoulding mechanism includes a mold base 3, a pushing mechanism, a connecting frame 4, a telescopic rod 5, a movable connecting plate 6, a lateral contraction mechanism and a bottom contraction mechanism, a mold base 3 is arranged below the connecting seat 2, a connecting frame 4 is arranged below the mold base 3 through a pushing mechanism, a movable connecting plate 6 is arranged downward in the connecting frame 4 through the telescopic rod 5, and a lateral contraction mechanism and a bottom contraction mechanism are respectively arranged on the movable connecting plate 6 and on the side and below the connecting frame 4.
[0023] The movable support leg mechanism includes a supporting leg 7, a retraction groove 8, a lifting cylinder 9 and a universal wheel 10. The supporting leg 7 is symmetrically arranged below the base 1, the retraction groove 8 is arranged below the supporting leg 7, the lifting cylinder 9 is arranged in the retraction groove 8, and the universal wheel 10 is arranged below the lifting cylinder 9.
[0024] The lifting beam mechanism includes a fixed seat 11, a lifting rod 12, a lifting beam 13 and a connecting ring 14. The lifting rods 12 are symmetrically arranged on both sides of the base 1 through the fixed seat 11, and a lifting beam 13 is arranged at the upper end between the lifting rods 12. The lifting beam 13 is fixedly connected to the connecting seat 2 through the connecting ring 14 at the bottom.
[0025] The foaming mold mechanism includes a bottom template 15, a side template 16, a freezing mold core front section 17, a freezing mold core rear section 18 and a refrigerated mold core 19. The bottom template 15 is provided above the base 1, and side templates 16 are erected around the bottom template 15. A freezing mold core front section 17 is provided on one side below the connecting seat 2, and a false center beam demoulding mechanism is fixed on one side of the freezing mold core front section 17. A freezing mold core rear section 18 is provided on one side of the false center beam demoulding mechanism, and a refrigerated mold core 19 is provided on the other side of the connecting plate. The multi-group segmented freezing mold core and false center beam demoulding mechanism make demoulding more convenient and not affected by the false center beam structure.
[0026] The pushing mechanism includes a guide rail 20, a guide slider 21 and a pushing cylinder 22. The guide rail 20 is symmetrically arranged below the mold base 3, a guide slider 21 is arranged below the guide rail 20, and the guide slider 21 is fixedly connected to the connecting frame 4 below. A pushing cylinder 22 is arranged in the middle part below the mold base 3, and the telescopic end of the pushing cylinder 22 is fixedly connected to the connecting frame 4.
[0027] The lateral contraction mechanism includes an oblique guide groove 23, a movable connecting rod 24, an avoidance groove 25 and a lateral mold plate 26. The movable connecting plate 6 is symmetrically provided with an oblique guide groove 23. A movable connecting rod 24 is slidably provided on the side of the connecting frame 4. An avoidance groove 25 is provided at one end of the movable connecting rod 24. One end of the movable connecting rod 24 is slidably connected to the oblique guide groove 23. The other end of the movable connecting rod 24 extends out of the side of the connecting frame 4 and is provided with a lateral mold plate 26. The bottom end contraction mechanism includes a vertical guide groove 27, a connecting block 28, a guide rod 29 and a bottom end mold plate 30. Vertical guide grooves 27 are provided on both sides below the connecting plate 6, and connecting blocks 28 are provided in the vertical guide grooves 27. One end of the connecting block 28 is slidably connected to the vertical guide groove 27, and a guide rod 29 is fixedly provided below the other end. A bottom mold plate 30 is provided below the guide rod 29 and passes through the lower end of the connecting frame 4. The problem of difficulty in foaming and demoulding caused by obstruction of the position of the false center beam is effectively solved by retracting the lateral mold plate and the bottom mold plate, and the effect is remarkable. The junction of the lateral mold plate and the bottom mold plate is spliced by a comb-shaped component, so that the mold plate has a certain shrinkage displacement, and demoulding is more convenient.
[0028] The connecting frame 4 is symmetrically provided with guide posts 31 , and the movable connecting plate 6 is slidably connected to the guide posts 31 .
[0029] Embodiment 2
[0030] according to Figure 4 and Figure 5 As shown, this embodiment proposes an automatic demoulding refrigerator false center beam foaming mold, including a mold base mechanism and a false center beam demoulding mechanism, the mold base mechanism includes a base 1, a movable support leg mechanism, a lifting beam mechanism, a connecting seat 2 and a foaming mold mechanism, the movable support leg mechanism is symmetrically arranged below the base 1, the lifting beam mechanism is arranged on the base 1, and a connecting seat 2 is arranged below the lifting beam mechanism, and a foaming mold mechanism is arranged between the base 1 and the bottom of the connecting seat 2, the false center beam demoulding mechanism includes a mold base 3, a pushing mechanism, a connecting frame 4, a telescopic rod 5, a movable connecting plate 6, a lateral contraction mechanism and a bottom contraction mechanism, a mold base 3 is arranged below the connecting seat 2, a connecting frame 4 is arranged below the mold base 3 through a pushing mechanism, a movable connecting plate 6 is arranged downward in the connecting frame 4 through the telescopic rod 5, and a lateral contraction mechanism and a bottom contraction mechanism are respectively arranged on the movable connecting plate 6 and on the side and below the connecting frame 4.
[0031] The movable support leg mechanism includes a supporting leg 7, a retraction groove 8, a lifting cylinder 9 and a universal wheel 10. The supporting leg 7 is symmetrically arranged below the base 1, the retraction groove 8 is arranged below the supporting leg 7, the lifting cylinder 9 is arranged in the retraction groove 8, and the universal wheel 10 is arranged below the lifting cylinder 9.
[0032] The lifting beam mechanism includes a translation mechanism, a fixed seat 11, a lifting rod 12, a lifting beam 13 and a connecting ring 14. The base 1 is symmetrically provided with fixed seats 11 on both sides through the translation mechanism. The fixed seat 11 is provided with a lifting rod 12. A lifting beam 13 is provided at the upper end between the lifting rods 12. The lower end of the lifting beam 13 is fixedly connected to the connecting seat 2 through a connecting ring 14, so that the lower mold can be lifted for demoulding, which is convenient and quick.
[0033] The foaming mold mechanism includes a bottom template 15, a side template 16, a freezing mold core front section 17, a freezing mold core rear section 18 and a refrigerated mold core 19. The bottom template 15 is provided above the base 1, and side templates 16 are erected around the bottom template 15. A freezing mold core front section 17 is provided on one side below the connecting seat 2, and a false center beam demoulding mechanism is fixed on one side of the freezing mold core front section 17. A freezing mold core rear section 18 is provided on one side of the false center beam demoulding mechanism, and a refrigerated mold core 19 is provided on the other side of the connecting plate. The multi-group segmented freezing mold core and false center beam demoulding mechanism make demoulding more convenient and not affected by the false center beam structure.
[0034] The pushing mechanism includes a guide rail 20, a guide slider 21 and a pushing cylinder 22. The guide rail 20 is symmetrically arranged below the mold base 3, a guide slider 21 is arranged below the guide rail 20, and the guide slider 21 is fixedly connected to the connecting frame 4 below. A pushing cylinder 22 is arranged in the middle part below the mold base 3, and the telescopic end of the pushing cylinder 22 is fixedly connected to the connecting frame 4.
[0035] The lateral contraction mechanism includes an oblique guide groove 23, a movable connecting rod 24, an avoidance groove 25 and a lateral mold plate 26. The movable connecting plate 6 is symmetrically provided with an oblique guide groove 23. A movable connecting rod 24 is slidably provided on the side of the connecting frame 4. An avoidance groove 25 is provided at one end of the movable connecting rod 24. One end of the movable connecting rod 24 is slidably connected to the oblique guide groove 23. The other end of the movable connecting rod 24 extends out of the side of the connecting frame 4 and is provided with a lateral mold plate 26. The bottom end contraction mechanism includes a vertical guide groove 27, a connecting block 28, a guide rod 29 and a bottom end mold plate 30. Vertical guide grooves 27 are provided on both sides below the connecting plate 6, and connecting blocks 28 are provided in the vertical guide grooves 27. One end of the connecting block 28 is slidably connected to the vertical guide groove 27, and a guide rod 29 is fixedly provided below the other end. A bottom mold plate 30 is provided below the guide rod 29 and passes through the lower end of the connecting frame 4. The problem of difficulty in foaming and demoulding caused by obstruction of the position of the false center beam is effectively solved by retracting the lateral mold plate and the bottom mold plate, and the effect is remarkable. The junction of the lateral mold plate and the bottom mold plate is spliced by a comb-shaped component, so that the mold plate has a certain shrinkage displacement, and demoulding is more convenient.
[0036] The translation mechanism includes a roller rail 32, a moving seat 33, a moving roller 34, a driving screw 35 and a driving motor 36. The base is symmetrically provided with roller rails 32 on both sides, and a moving seat 33 is provided on the roller rails 32. Moving rollers 34 are distributed between the moving seat 33 and the roller rails 32. A driving screw 35 is provided in the roller rail 32, and the driving screw 35 penetrates the moving seat 33. One side of the driving screw 35 is connected to the driving motor 36. When the mold needs to be changed, the raised mold is driven by the translation mechanism to be translated to an empty position on one side of the base for mold change. There is no need to disassemble and assemble the bottom mold plate and the side mold plate for mold change, which is very convenient and time-saving.
[0037] The connecting frame 4 is symmetrically provided with guide posts 31 , and the movable connecting plate 6 is slidably connected to the guide posts 31 .
[0038] When the present invention is used, the front section of the freezing mold core, the false middle beam demoulding mechanism, the rear section of the freezing mold core and the refrigerating mold core are placed into the freezing chamber and the refrigerating chamber through the lifting beam mechanism, the pushing cylinder is started to push the false middle beam demoulding mechanism to the rear section of the freezing mold core for splicing, the telescopic rod is started to drive the moving connecting plate to move downward on the guide column, and the side mold plate and the bottom mold plate are driven to extend outward through the cooperation of the moving connecting rod and the oblique guide groove and the connecting block and the vertical guide groove to support the false middle beam structure on the inner wall of the freezing chamber, and at the same time, the front section of the freezing mold core is pushed out to press against the front end of the inner wall of the refrigerating chamber;
[0039] When foaming is completed, first retract the front section of the frozen mold core, then start the telescopic rod to drive the movable connecting plate to move upward on the guide column, drive the movable connecting rod and the guide rod to retract, so that the side mold plate and the bottom mold plate are retracted, and then start the push cylinder to retract the false center beam demoulding mechanism to complete the demoulding.
[0040] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.
Claims
1. A refrigerator false middle beam foaming mold with automatic demoulding, characterized in that: The invention comprises a mold base mechanism and a false middle beam demoulding mechanism, wherein the mold base mechanism comprises a base (1), a movable support leg mechanism, a lifting beam mechanism, a connecting seat (2) and a foaming mold mechanism, wherein the movable support leg mechanism is symmetrically arranged below the base (1), the lifting beam mechanism is arranged on the base (1), the connecting seat (2) is arranged below the lifting beam mechanism, a foaming mold mechanism is arranged between the base (1) and the bottom of the connecting seat (2), and the false middle beam demoulding mechanism comprises a mold base (3), a pushing mechanism, a connecting frame (4), a telescopic rod (5), a movable connecting plate (6), a lateral contraction mechanism and a bottom contraction mechanism, wherein the mold base (3) is arranged below the connecting seat (2), a connecting frame (4) is arranged below the mold base (3) through the pushing mechanism, a movable connecting plate (6) is arranged downwardly in the connecting frame (4) through the telescopic rod (5), and a lateral contraction mechanism and a bottom contraction mechanism are respectively arranged on the movable connecting plate (6) and on the side and bottom of the connecting frame (4).
2. The refrigerator false middle beam foaming mold with automatic demoulding according to claim 1, characterized in that: The movable support leg mechanism comprises a supporting leg (7), a retracting groove (8), a lifting cylinder (9) and a universal wheel (10); the supporting leg (7) is symmetrically arranged below the base (1); the retracting groove (8) is arranged below the supporting leg (7); the lifting cylinder (9) is arranged in the retracting groove (8); and the universal wheel (10) is arranged below the lifting cylinder (9).
3. The refrigerator false middle beam foaming mold with automatic demoulding according to claim 1, characterized in that: The lifting beam mechanism comprises a fixed seat (11), a lifting rod (12), a lifting beam (13) and a connecting ring (14); the lifting rods (12) are symmetrically arranged on both sides of the base (1) through the fixed seat (11); a lifting beam (13) is arranged at the upper end between the lifting rods (12); and the lower part of the lifting beam (13) is fixedly connected to the connecting seat (2) through the connecting ring (14).
4. The refrigerator false middle beam foaming mold with automatic demoulding according to claim 1, characterized in that: The foaming mold mechanism comprises a bottom mold plate (15), a side mold plate (16), a freezing mold core front section (17), a freezing mold core rear section (18) and a refrigerated mold core (19); the bottom mold plate (15) is arranged above the base (1); the side mold plates (16) are arranged around the top of the bottom mold plate (15); the freezing mold core front section (17) is arranged on one side below the connecting seat (2); a false middle beam demoulding mechanism is fixed on one side of the freezing mold core front section (17); the freezing mold core rear section (18) is arranged on one side of the false middle beam demoulding mechanism; and the refrigerated mold core (19) is arranged on the other side of the connecting plate.
5. The refrigerator false middle beam foaming mold with automatic demoulding according to claim 1, characterized in that: The pushing mechanism comprises a guide rail (20), a guide slider (21) and a pushing cylinder (22); the guide rail (20) is symmetrically arranged below the mold base (3); the guide slider (21) is arranged below the guide rail (20); the guide slider (21) is fixedly connected to the connecting frame (4) at its lower part; a pushing cylinder (22) is arranged at the middle part below the mold base (3); the telescopic end of the pushing cylinder (22) is fixedly connected to the connecting frame (4).
6. The refrigerator false middle beam foaming mold with automatic demoulding according to claim 1, characterized in that: The lateral contraction mechanism comprises an oblique guide groove (23), a movable connecting rod (24), an avoidance groove (25) and a lateral mold plate (26); the movable connecting plate (6) is symmetrically provided with an oblique guide groove (23); a movable connecting rod (24) is slidably provided through the side of the connecting frame (4); one end of the movable connecting rod (24) is provided with an avoidance groove (25); one end of the movable connecting rod (24) is slidably connected to the oblique guide groove (23); the other end of the movable connecting rod (24) extends out of the side of the connecting frame (4) and is provided with a lateral mold plate (26).
7. The refrigerator false middle beam foaming mold with automatic demoulding according to claim 1, characterized in that: The bottom end contraction mechanism comprises a vertical guide groove (27), a connecting block (28), a guide rod (29) and a bottom end mold plate (30); vertical guide grooves (27) are arranged on both sides below the movable connecting plate (6); a connecting block (28) is arranged in the vertical guide groove (27); one end of the connecting block (28) is slidably connected to the vertical guide groove (27); a guide rod (29) is fixedly arranged below the other end; a bottom end mold plate (30) is arranged below the guide rod (29) and passes through the lower end of the connecting frame (4).
8. The refrigerator false middle beam foaming mold with automatic demoulding according to claim 1, characterized in that: The connecting frame (4) is symmetrically provided with guide columns (31), and the movable connecting plate (6) is slidably connected to the guide columns (31).