EPS plastic foam molding machine

Abstract

The present invention relates to the technical field of foam molding equipment, specifically to an EPS plastic foam molding machine, comprising a frame; an operating platform is fixedly connected to the lower middle position of the outer surface of the frame; a control cabinet is fixedly connected to the upper surface of the operating platform near the right edge; a push mold unit is fixedly connected to the left outer surface of the control cabinet; a uniformly distributed convex mold is fixedly connected to the left outer surface of the push mold unit; a fixed mold unit is fixedly connected to the left middle position of the upper surface of the operating platform, and the fixed mold unit is fixedly connected to the frame; a concave mold is fixedly connected to the right outer surface of the fixed mold unit; a demoulding unit is slidably connected to the right outer surface of the fixed mold unit; a uniformly distributed guide column is fixedly connected to the left outer surface of the control cabinet; and the lifting mechanism is fixedly connected to the middle position of the upper end surface of the frame. The present invention can easily realize the lifting and lowering of the foam molding mold.

Description

Technical Field

[0001] The invention relates to the technical field of foam molding equipment, in particular to an EPS plastic foam molding machine. Background Art

[0002] EPS plastic foam, also known as polystyrene foam, is a white object obtained by pre-expanding expandable polystyrene beads containing volatile liquid foaming agent by heating. It has the structural characteristics of fine closed cells, etc. The boards, boxes and other items that are heated and formed in a mold using EPS plastic foam all have this structural feature. Polystyrene material is widely used in the construction and packaging industries for its advantages such as light weight, earthquake resistance, drop resistance, heat insulation, sound absorption, heat preservation, self-extinguishing, environmental protection and anti-aging, low cost and easy construction.

[0003] When the existing EPS plastic foam molding machine is working, the mold moving frame drives the male mold to move to cooperate with the female mold on the fixed mold frame, and the feeding device introduces the matured EPS plastic foam into the cavity surrounded by the male mold and the female mold. The mold moving frame continues to move to squeeze the EPS plastic foam in the cavity, so as to form a foam product with a specific shape. After a period of static pressure, the mold moving frame drives the male mold to move away from the female mold. During this process, the mold moving frame pulls the demoulding baffle to move, so that the demoulding baffle is close to the fixed mold frame and pushes the foam product out of the female mold.

[0004] In the prior art, the molds used in EPS plastic foam molding machines are mostly large and heavy, and need to be disassembled and installed by means of a bridge crane. When the bridge crane is in use, since its rail trolley is at a high place, it takes a certain amount of time to position the rail trolley and the molding mold in the same vertical direction. In addition, the bridge crane is prone to shaking when lifting the molding mold to move, which can easily cause the molding mold to collide with other objects and cause damage to the molding mold. At the same time, the factory buildings of some small factories are small and low, which are not suitable for installing bridge cranes. When replacing the molding mold, they mostly use manual handling and installation, which is time-consuming and labor-intensive, and easily causes safety hazards.

[0005] Therefore, a EPS plastic foam molding machine is proposed. Summary of the invention

[0006] The purpose of the present invention is to provide an EPS plastic foam molding machine to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an EPS plastic foam molding machine, comprising a frame; an operating platform is fixedly connected to the lower middle position of the outer surface of the frame; a control cabinet is fixedly connected to the upper surface of the operating platform near the right edge; a push mold unit is fixedly connected to the left outer surface of the control cabinet; the outer surface of the left end of the push mold unit is fixedly connected to uniformly distributed convex molds; a fixed mold unit is fixedly connected to the left middle position of the upper surface of the operating platform, and the fixed mold unit is fixedly connected to the frame; the outer surface of the right end of the fixed mold unit is fixedly connected to a concave mold ; a demoulding unit, slidably connected to the outer surface of the left end of the solid mold unit; two connecting rods are symmetrically fixedly connected to the middle position of the right outer surface of the demoulding unit, and one end of the connecting rod passes through the solid mold unit and is fixedly connected to the left outer surface of the ejecting unit; a guide column, evenly distributed and fixedly connected to the outer surface of the left end of the control cabinet, and the guide column passes through the ejecting unit, the solid mold unit and the demoulding unit; a feed bin, fixedly connected to the upper end surface of the frame near the left end edge; and a lifting mechanism; the lifting mechanism is fixedly connected to the middle position of the upper end surface of the frame, and can easily lift the mold.

[0008] Preferably, the lifting mechanism comprises a fixed block; the fixed block is symmetrically fixedly connected to the middle position of the upper end surface of the frame; a limit plate is provided at the middle position of the upper surface of the fixed block; a slide rail is provided between the two fixed blocks; a mounting block is sleeved on the outer circumferential surface of the slide rail; the middle position of the outer surface of one side of the limit plate close to the mounting block is fixedly connected to an electro-hydraulic push rod; one end of the electro-hydraulic push rod is fixedly connected to the mounting block; two support plates are symmetrically fixedly connected to the right position of the middle of the outer surface of the lower end of the mounting block; two rope winding rollers are symmetrically rotatably connected to the middle position of the left outer surface of the right support plate, and the left end surface of the rope winding roller passes through the left support plate; the left end surface of the rope winding roller is fixedly connected to a gear, and the two gears are meshed in connection; the middle position of the left outer surface of the rear gear is fixedly connected to a first motor, and the first motor is fixedly connected to the lower end surface of the mounting block; a traction rope is wrapped around the outer circumferential surface of the rope winding roller; one end of the traction rope is fixedly connected to a hook.

[0009] Preferably, when the rope winding roller winds up the traction rope to the shortest, a vertical distance of 8 to 10 cm is maintained between the hook and the push mold unit.

[0010] Preferably, when the electro-hydraulic push rod on the left side is retracted to its shortest position, a horizontal distance of 8 to 10 cm is maintained between the first motor and the left fixed block.

[0011] Preferably, as shown in the figure, an adjustment mechanism is provided inside the fixed block; the adjustment mechanism includes a sliding cavity; the sliding cavity is opened in the middle position inside the fixed block, and the sliding cavity passes through the upper surface of the fixed block and the outer surface on one side close to the mounting block; a second motor is fixedly connected to the middle position of the front outer surface of the fixed block; the output end of the second motor passes through the front outer surface of the fixed block and extends to the sliding cavity where a lead screw is fixedly connected; one end of the lead screw is fixedly connected to the rear inner surface of the sliding cavity; a slider is threadedly connected on the outer circular surface of the lead screw, and the slider is slidably connected in the sliding cavity; the limit plate is fixedly connected to the upper surface of the slider; the slide rail is fixedly connected between the two sliders.

[0012] Preferably, buffer sponges are fixedly connected to the inner surfaces of both the front and rear sides of the sliding cavity.

[0013] Preferably, a conveying mechanism is fixedly connected to the lower end surface of the frame near the left edge; the conveying mechanism includes a contact plate; the contact plate is fixedly connected to the lower end surface of the frame near the left edge; a limiting groove is provided in the middle position of the upper surface of the contact plate; a hydraulic oil tank is fixedly connected to the outer surface of the left end of the contact plate; a hydraulic rod is fixedly connected to the middle position of the outer surface of the right end of the hydraulic oil tank; a conveying bucket is fixedly connected to the right end surface of the hydraulic rod; two rollers are symmetrically connected to the outer surfaces of the front and rear sides of the conveying bucket near the lower edge; the rollers are arranged in the limiting groove.

[0014] Preferably, the front, back, left and right side walls of the conveying bucket all adopt a mesh structure.

[0015] Preferably, a material discharge net bag is arranged on the lower surface of the operating platform between the corresponding fixed mold unit and the ejecting mold unit.

[0016] Preferably, a magnet is fixedly connected to the upper end surface of the blanking net bag.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention can easily realize the lifting and lowering of the foam forming mold by arranging a lifting mechanism, and the operation is relatively convenient, and can save the time required for positioning the rail trolley and the forming mold when some bridge cranes are used. The lifting mechanism is arranged on the frame to reduce the lifting height of the forming mold, and can reduce the occurrence of damage to the forming mold caused by the collision between the forming mold and other objects due to the shaking generated during lifting. For some small factories, the lifting mechanism can avoid the phenomenon of replacing the forming mold through manual handling and installation, avoid the time and labor of manual handling and installation, and reduce the occurrence of safety hazards when replacing the forming mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 It is an overall cross-sectional structural view of the present invention;

[0021] Figure 3 It is a structural view of the lifting mechanism of the present invention;

[0022] Figure 4 For the present invention Figure 3 The local structure view at A in the middle;

[0023] Figure 5 For the present invention Figure 3 The local structure view at B in the middle;

[0024] Figure 6 It is a structural view of the adjustment mechanism of the present invention;

[0025] Figure 7 For the present invention Figure 6 The local structure view at C in the middle;

[0026] Figure 8 It is a structural view of the transmission mechanism of the present invention;

[0027] Fig. 9 For the present invention Figure 8 Local structure view at point D in the middle.

[0028] In the figure: 1. frame; 2. operating platform; 3. control cabinet; 4. feed bin; 5. lifting mechanism; 51. fixed block; 52. adjusting mechanism; 521. sliding cavity; 522. second motor; 523. screw rod; 524. slider; 525. buffer sponge; 53. slide rail; 54. mounting block; 55. limit plate; 56. electro-hydraulic push rod; 57. first motor; 58. gear; 59. hook; 510. support plate; 511. rope roller; 512. traction rope; 6. transmission mechanism; 61. contact floor; 62. limit groove; 63. hydraulic oil tank; 64. hydraulic rod; 65. transmission bucket; 66. roller; 67. unloading net bag; 68. magnet; 7. demoulding unit; 8. ejection unit; 9. punch; 10. die; 11. solid mold unit; 12. guide column. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0031] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it 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 it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] The defect of the EPS plastic foam molding machine in the prior art is that when replacing the foam molding mold, a bridge crane is required to assist in lifting for disassembly and installation, and it takes a certain amount of time to position the rail trolley and the molding mold. When lifting the molding mold, it is easy to shake, which may easily cause the molding mold to collide with other objects and cause damage to the molding mold. Some small factories use manual handling and installation, which is time-consuming and labor-intensive, and easily causes safety hazards.

[0033] To solve the above problem, the main concept adopted in this embodiment is: by setting up a lifting mechanism, when the foam molding mold needs to be replaced, the lifting mechanism is used to lift and lower the foam molding mold, so that the staff can replace the foam molding mold.

[0034] In order to better understand the above technical solution, Figures 1 to 9 And specific implementation methods are used to describe the above scheme in detail:

[0035] See also Figures 1 to 9 , the present invention provides a technical solution:

[0036] An EPS plastic foam molding machine, such as Figure 1 and Figure 2As shown, it includes a frame 1; an operating platform 2 is fixedly connected to the lower middle position of the outer surface of the frame 1; a control cabinet 3 is fixedly connected to the upper surface of the operating platform 2 near the right edge; a push mold unit 8 is fixedly connected to the left outer surface of the control cabinet 3; the outer surface of the left end of the push mold unit 8 is fixedly connected to uniformly distributed convex molds 9; a fixed mold unit 11 is fixedly connected to the left middle position of the upper surface of the operating platform 2, and the fixed mold unit 11 is fixedly connected to the frame 1; the outer surface of the right end of the fixed mold unit 11 is fixedly connected to a concave mold 10; a demoulding unit 7 is slidably connected to the solid mold The left end outer surface of the unit 11; two connecting rods are symmetrically fixedly connected to the middle position of the right outer surface of the demoulding unit 7, and one end of the connecting rod passes through the solid mold unit 11 and is fixedly connected to the left outer surface of the ejecting unit 8; the guide column 12 is evenly distributed and fixedly connected to the left end outer surface of the control cabinet 3, and the guide column 12 passes through the ejecting unit 8, the solid mold unit 11 and the demoulding unit 7; the feed bin 4 is fixedly connected to the upper end surface of the frame 1 near the left end edge; and the lifting mechanism 5; the lifting mechanism 5 is fixedly connected to the middle position of the upper end surface of the frame 1, which can easily lift the mold.

[0037] During operation, in the prior art, when the foam molding mold is replaced, it is necessary to use a bridge crane to assist in lifting for disassembly and installation, and it takes a certain amount of time to position the rail trolley and the molding mold. When lifting the molding mold, it is easy to cause shaking, which may easily cause the molding mold to collide with other objects and cause damage to the molding mold. Some small factories use manual handling and installation, which is time-consuming and labor-intensive, and easily causes safety hazards; the present invention sets a lifting mechanism 5, first of all, it is necessary to pass the foamed and matured EPS plastic foam into the feed bin 4, the control cabinet 3 controls the push mold unit 8 to extend to the left along the guide column 12, and pushes the punch 9 to cooperate with the die 10 fixedly connected to the fixed mold unit 11 to form a cavity, the feed bin 4 passes EPS plastic foam into the cavity, the push mold unit 8 continues to extend forward, and pushes the punch 9 to extrude the EPS plastic foam to form a foam product with a specific shape, after a period of static pressure, the push mold unit 8 retracts to the right, driving the punch 9 to move away from the die 10, and in the process of the push mold unit 8 retracting, the demoulding unit 7 is driven by the connecting rod The foam molding product is pushed out of the concave mold 10 by moving it to the right. When the foam molding mold needs to be replaced, the foam molding mold is fixed by the lifting mechanism 5. After the staff releases the fixed connection of the foam molding mold, the foam molding mold is lowered by the lifting mechanism 5, and then the new foam molding mold is fixed to the lifting mechanism 5 and lifted to a suitable position, and the staff fixes the new foam molding mold. The present invention can easily realize the lifting and lowering of the foam molding mold by setting the lifting mechanism 5, and the operation is relatively convenient. It can save the time required for positioning the rail trolley and the molding mold when some bridge cranes are used. The lifting mechanism 5 is set on the frame 1 to reduce the lifting height of the molding mold, which can reduce the damage of the molding mold caused by the collision between the molding mold and other objects caused by the shaking generated during the lifting. For some small factories, the lifting mechanism 5 can avoid the replacement of the molding mold by manual handling and installation, avoid the time and effort of manual handling and installation, and reduce the occurrence of safety hazards when the molding mold is replaced.

[0038] As an embodiment of the present invention, Figures 3 to 5As shown, the lifting mechanism 5 includes a fixed block 51; the fixed block 51 is symmetrically fixedly connected to the middle position of the upper end surface of the frame 1; a limit plate 55 is provided in the middle position of the upper surface of the fixed block 51; a slide rail 53 is provided between the two fixed blocks 51; a mounting block 54 is sleeved on the outer circumferential surface of the slide rail 53; an electro-hydraulic push rod 56 is fixedly connected to the middle position of the outer surface of one side of the limit plate 55 close to the mounting block 54; one end of the electro-hydraulic push rod 56 is fixedly connected to the mounting block 54; two support plates are symmetrically fixedly connected to the right position of the middle of the outer surface of the lower end of the mounting block 54 510; two rope winding rollers 511 are symmetrically connected to the middle position of the left outer surface of the right support plate 510, and the left end surface of the rope winding roller 511 passes through the left support plate 510; the left end surface of the rope winding roller 511 is fixedly connected to the gear 58, and the two gears 58 are meshingly connected; the middle position of the left outer surface of the gear 58 on the rear side is fixedly connected to the first motor 57, and the first motor 57 is fixedly connected to the lower end surface of the mounting block 54; the outer circumferential surface of the rope winding roller 511 is wound with a traction rope 512; one end of the traction rope 512 is fixedly connected to a hook 59.

[0039] During operation, in order to solve the problem that in the prior art, when the forming mold is disassembled and installed by auxiliary lifting with a bridge crane, it takes a certain amount of time to position the rail trolley and the forming mold, and it is easy to cause shaking when lifting the forming mold, causing the forming mold to collide with other objects and cause damage to the forming mold. Some small factories use manual handling and installation, which is time-consuming and labor-intensive, and easily causes safety hazards. The present invention sets a lifting mechanism 5, starts the electro-hydraulic push rod 56, and the two electro-hydraulic push rods 56 on both sides of the mounting block 54 extend one and contract the other, pushing the mounting block 54 to slide on the slide rail 53 to the position corresponding to the punch 9 or the die 10, and starts the first A motor 57 drives the rear rope roller 511 to rotate, drives the rear gear 58 to rotate, drives the front gear 58 meshing with the rear gear 58 to rotate, drives the front rope roller 511 to rotate, and the front and rear rope rollers 511 are synchronously installed to rotate in different directions. The winding directions of the traction rope 512 on the rope rollers 511 are different, so that the traction rope 512 wound on the two rope rollers 511 are gradually lowered, so that the two hooks 59 are both lowered to the position of the punch 9 or the die 10 and hooked to the holes on its surface. The two hooks 59 ensure that the mold can be stably lifted and lowered, and the first motor 57 is started to rotate in the opposite direction to make the two traction ropes 512 After the staff releases the fixed connection state of the punch 9 or the die 10, the first motor 57 is started to drive the two rope rollers 511 to rotate, drive the two traction ropes 512 and the two hooks 59 to descend and put down the punch 9 or the die 10, release the hook connection state of the hooks 59, hook the new punch 9 or die 10 to be replaced with the two hooks 59, start the first motor 57 to rotate in the opposite direction, drive the two rope rollers 511 to rotate in the opposite direction through the gear 58, drive the traction ropes 512 and the hooks 59 to move up, and after the punch 9 or the die 10 is lifted to a suitable height, the staff fixes the punch 9 or the die 10 to complete the replacement of the punch 9 or the die 10; The invention can easily lift and lower the foam molding mold by setting a lifting mechanism 5, which is convenient to operate and can save the time required for positioning the rail trolley and the molding mold when using some bridge cranes. The lifting mechanism 5 is set on the frame 1 to reduce the lifting height of the molding mold, which can reduce the damage to the molding mold caused by the collision between the molding mold and other objects caused by the shaking during lifting. For some small factories, the lifting mechanism 5 can avoid the replacement of the molding mold through manual handling and installation, avoid the time and effort of manual handling and installation, and reduce the occurrence of safety hazards when replacing the molding mold.

[0040] As an embodiment of the present invention, Figure 4 As shown, when the rope winding roller 511 winds up the traction rope 512 to the shortest, the vertical distance between the hook 59 and the push mold unit 8 is 8 to 10 cm.

[0041] During operation, after the replacement of the punch 9 and the die 10 is completed, the hook 59 may sag for a long distance, and the push die unit 8 may collide with the hook 59 during the process of extending to the left, thereby affecting the normal movement of the push die unit 8, which may cause damage to the hook 59, and in severe cases, may cause the hook 59 to break. The present invention limits the rope winding roller 511 to wind up the traction rope 512 to the shortest, and maintains a vertical distance of 8 to 10 cm between the hook 59 and the push die unit 8, thereby avoiding the phenomenon that the push die unit 8 collides with the hook 59 during the process of extending to the left, avoiding affecting the normal movement of the push die unit 8, reducing the possibility of damage to the hook 59, and reducing the possibility of breakage of the hook 59.

[0042] As an embodiment of the present invention, Figure 3 As shown, when the electro-hydraulic push rod 56 on the left side is retracted to the shortest position, a horizontal distance of 8 to 10 cm is maintained between the first motor 57 and the left fixed block 51 .

[0043] During operation, since the first motor 57 is fixedly connected to the outer cylindrical surface of the lower end of the mounting block 54 near the left edge, when the right electro-hydraulic push rod 56 is extended and the left electro-hydraulic push rod 56 is shortened to the shortest, the first motor 57 may collide with the left fixed block 51, which may cause damage to the first motor 57 and affect the subsequent lifting and lowering of the mold. The present invention limits the left electro-hydraulic push rod 56 to shrink to the shortest, and maintains a horizontal distance of 8 to 10 cm between the first motor 57 and the left fixed block 51, thereby avoiding the collision of the first motor 57 with the left fixed block 51, reducing the possibility of damage to the first motor 57 and reducing the impact on the subsequent lifting and lowering of the mold.

[0044] As an embodiment of the present invention, Figure 6 As shown, the fixed block 51 is provided with an adjusting mechanism 52 inside; the adjusting mechanism 52 includes a sliding cavity 521; the sliding cavity 521 is opened in the middle position inside the fixed block 51, and the sliding cavity 521 passes through the upper surface of the fixed block 51 and the outer surface of one side close to the mounting block 54; the middle position of the front outer surface of the fixed block 51 is fixedly connected with a second motor 522; the output end of the second motor 522 passes through the front outer surface of the fixed block 51 and extends to the sliding cavity 521 where a screw rod 523 is fixedly connected; one end of the screw rod 523 is fixedly connected to the inner surface of the rear side of the sliding cavity 521; a slider 524 is threadedly connected on the outer circumferential surface of the screw rod 523, and the slider 524 is slidably connected in the sliding cavity 521; the limit plate 55 is fixedly connected to the upper surface of the slider 524; the slide rail 53 is fixedly connected between the two sliders 524.

[0045] During operation, in the process of replacing the punch 9 or the die 10, there may be a situation where a plurality of smaller dies are fixedly mounted on the die pusher unit 8 or the die fixing unit 11, and the position of the slide rail 53 corresponds to the middle position of the upper surface of the frame 1. When these dies are replaced, there may be a situation where the dies that have been released from the fixed connection collide with the dies that have not been released from the fixed connection, resulting in damage to the dies. The present invention sets an adjustment mechanism 52, starts the second motor 522, drives the screw rod 523 to rotate, and the slider 524 sleeved on the screw rod 523 moves in the slide cavity 521 accordingly, driving the dies that are fixedly connected to the two The slide rail 53 between the sliders 524 and the limit plate 55 fixedly connected to the slider 524 move forward or backward, so that the first motor 57, the rope roller 511, the traction rope 512 and the hook 59 move to a suitable position to replace the mold; the present invention is capable of adjusting the position of the slide rail 53 relative to the frame 1 by setting an adjustment mechanism 52, so as to replace the punch 9 and the die 10 fixedly connected to different positions on the ejection unit 8 and the fixed mold unit 11, thereby reducing the occurrence of collision between the mold that has been released from the fixed connection and the mold that has not been released from the fixed connection, and reducing the occurrence of mold damage.

[0046] As an embodiment of the present invention, Figure 7 As shown, the inner surfaces of both the front and rear sides of the sliding cavity 521 are fixedly connected with buffer sponges 525 .

[0047] During operation, when the slider 524 moves in the sliding cavity 521, the slider 524 may move too fast, causing the slider 524 and the limit plate 55 to collide with the front or rear inner surface of the inner cavity of the sliding cavity 521, causing the slider 524 or the limit plate 55 to be damaged, affecting the normal operation of the lifting mechanism 5; the present invention provides a buffer sponge 525, and when the slider 524 moves in the sliding cavity 521 to the front or rear inner surface of the sliding cavity 521, it will preferentially contact the buffer sponge 525, and the buffer sponge 525 can absorb the impact force generated by the movement of the slider 524; the present invention provides a buffer sponge 525 to alleviate and absorb the impact force generated by the movement of the slider 524, reduce the occurrence of the slider 524 and the limit plate 55 colliding with the front or rear inner surface of the inner cavity of the sliding cavity 521, and reduce the impact on the normal operation of the lifting mechanism 5.

[0048] As an embodiment of the present invention, Figure 8As shown, a conveying mechanism 6 is fixedly connected to the lower end surface of the frame 1 near the left edge; the conveying mechanism 6 includes a contact plate 61; the contact plate 61 is fixedly connected to the lower end surface of the frame 1 near the left edge; a limiting groove 62 is provided in the middle position of the upper surface of the contact plate 61; a hydraulic oil tank 63 is fixedly connected to the outer surface of the left end of the contact plate 61; a hydraulic rod 64 is fixedly connected to the middle position of the outer surface of the right end of the hydraulic oil tank 63; a conveying bucket 65 is fixedly connected to the right end surface of the hydraulic rod 64; two rollers 66 are symmetrically connected to the outer surfaces of the front and rear sides of the conveying bucket 65 near the lower edge; the rollers 66 are arranged in the limiting groove 62.

[0049] During operation, in the prior art, after the demoulding unit 7 pushes out the foam product formed in the concave mold 10, the foam product directly falls onto the bottom surface or the barrier net set under the operating platform 2, and the staff needs to enter under the frame 1 to take out the foam product and then stack it. When the staff enters under the frame 1, there may be a risk of bumping or being hit by falling parts; the present invention provides a conveying mechanism 6, the demoulding unit 7 pushes out the foam product formed in the concave mold 10, and the foam product falls into the conveying bucket 65, the hydraulic oil tank 63 is started, the hydraulic rod 64 retracts, and the conveying bucket is driven. 65 moves to the left, and the roller 66 rotates in the limiting groove 62 until the hydraulic rod 64 retracts to the shortest state. After the foam product in the conveying bucket 65 is taken out, the hydraulic rod 64 extends to push the conveying bucket 65 to move to the right until the conveying bucket 65 moves to the position corresponding to the concave mold 10; the present invention can transport the molded foam products from under the frame 1 by setting the conveying mechanism 6, avoid the staff from entering under the frame 1 to pick up the foam products, reduce the occurrence of bumps or being hit by parts to cause injuries to the staff, and ensure the personal safety of the staff.

[0050] As an embodiment of the present invention, Figure 8 As shown, the four side walls of the conveying bucket 65, including the front, rear, left and right sides, all adopt a mesh structure.

[0051] During operation, when the male die 9 and the female die 10 are separated from the mold clamping state, cooling water will flow out, and there will be water droplets on the outer surface of the foam product just extruded and formed, which will drip into the conveying bucket 65. After a long period of accumulation, a large amount of water may exist in the conveying bucket 65, resulting in only a part of the foam product entering the conveying bucket 65 and being soaked in water. The present invention limits the front, back, left and right side walls of the conveying bucket 65 to adopt a mesh structure. After the inflowing cooling water and the water droplets on the outer surface of the foam product fall into the conveying bucket 65, they flow out through the mesh holes of the side walls of the conveying bucket 65, thereby avoiding the phenomenon of a large amount of water accumulating in the conveying bucket 65, preventing only a part of the foam product from entering the conveying bucket 65, and avoiding the phenomenon of the foam product being soaked in water.

[0052] As an embodiment of the present invention, Figure 8 As shown, a material discharge net bag 67 is provided between the fixed mold unit 11 and the ejecting mold unit 8 on the lower surface of the operating platform 2 .

[0053] During operation, when the foam products fall into the conveying bucket 65, some smaller foam products may deviate from their falling direction due to their light weight and slight wind force, and fail to fall accurately into the conveying bucket 65. The present invention sets a discharge net bag 67, and the foam products are pushed out of the die 10 by the demolding unit 7 and fall into the discharge net bag 67. Then, the foam products are guided by the discharge net bag 67 and fall accurately into the conveying bucket 65. The present invention sets a discharge net bag 67 to guide the foam products, reduce the occurrence of foam products falling outside the conveying bucket 65, and ensure that the foam products can fall accurately into the conveying bucket 65.

[0054] As an embodiment of the present invention, Fig. 9 As shown, a magnet 68 is fixedly connected to the upper end surface of the blanking net bag 67 .

[0055] During operation, when the punch 9 and the die 10 on the ejection unit 8 and the solid mold unit 11 are replaced, the unloading net bag 67 arranged on the lower surface of the operating platform 2 corresponding to the position between the ejection unit 8 and the solid mold unit 11 will affect the replacement speed of the mold, resulting in low mold replacement efficiency; the present invention sets a magnet 68, and the unloading net bag 67 is adsorbed on the lower surface of the operating platform 2 through the magnet 68. When the punch 9 and the die 10 need to be replaced, the unloading net bag 67 can be directly pulled down. After the replacement is completed, the unloading net bag 67 can be directly adsorbed to the lower surface of the operating platform 2 through the magnet 68; the present invention sets a magnet 68, which can easily realize the removal and installation of the unloading net bag 67, avoid affecting the replacement speed of the punch 9 and the die 10, and improve the mold replacement efficiency.

[0056] Instructions for use: When the present invention is used, firstly, the EPS plastic foam that has been expanded and matured needs to be passed into the feed bin 4, the control cabinet 3 controls the push mold unit 8 to extend to the left along the guide column 12, and pushes the convex mold 9 to cooperate with the concave mold 10 fixedly connected to the fixed mold unit 11 to form a cavity, the feed bin 4 passes the EPS plastic foam into the cavity, the push mold unit 8 continues to extend forward, and pushes the concave mold 10 to extrude the EPS plastic foam to form a foam product with a specific shape, after a period of static pressure, the push mold unit 8 retracts to the right, driving the convex mold 9 to move away from the concave mold 10, and when the push mold unit 8 retracts During the shrinking process, the demoulding unit 7 is driven by the connecting rod to move rightward to push the formed foam product out of the concave mold 10, and the foam product falls into the unloading net bag 67, and then the foam product is accurately dropped into the conveying bucket 65 under the guidance of the unloading net bag 67, and the hydraulic oil tank 63 is started, the hydraulic rod 64 is retracted, and the conveying bucket 65 is driven to move to the left, and the roller 66 rotates in the limiting groove 62 until the hydraulic rod 64 is retracted to the shortest state. After the foam product in the conveying bucket 65 is taken out, the hydraulic rod 64 is extended to push the conveying bucket 65 to move to the right until the conveying bucket 65 moves to the position corresponding to the concave mold 10;When it is necessary to replace the punch 9 and the die 10, the electro-hydraulic push rod 56 is started, and the two electro-hydraulic push rods 56 on both sides of the mounting block 54 extend and contract, respectively, to push the mounting block 54 to slide on the slide rail 53 to the position corresponding to the punch 9 or the die 10, and the second motor 522 is started to drive the screw rod 523 to rotate, and the slider 524 sleeved on the screw rod 523 moves in the slide cavity 521 accordingly, driving the slide rail 53 fixedly connected between the two sliders 524 and the limit plate 55 fixedly connected to the slider 524 to move forward or backward, so that the first motor 57, the rope roller 511, the traction rope 512 and the hook 59 move to the appropriate position, and the first motor 57 is started to drive the rear rope roller 511 to rotate, drive the rear gear 58 to rotate, drive the front gear 58 meshing with the rear gear 58 to rotate, drive the front rope roller 511 to rotate, and the front and rear rope rollers 511 are synchronously installed to rotate in different directions, so that the rope wound on the two The traction ropes 512 on the rope rollers 511 are gradually lowered, so that the two hooks 59 are lowered to the position of the punch 9 or the die 10 and hooked therewith, and the two hooks 59 are used to ensure that the mold can be stably lifted and lowered, and the first motor 57 is started to rotate in the opposite direction to tighten the two traction ropes 512. After the staff releases the fixed connection state of the punch 9 or the die 10, the first motor 57 is started to drive the two rope rollers 511 to rotate, driving the two traction ropes 512 and the two The hook 59 descends to put down the punch 9 or the die 10, releases the hook connection state of the hook 59, hooks the new punch 9 or the die 10 to be replaced with the two hooks 59, starts the first motor 57 to rotate in the opposite direction, drives the two rope rollers 511 to rotate in the opposite direction through the gear 58, drives the traction rope 512 and the hook 59 to move upward, and after the punch 9 or the die 10 is lifted to a suitable height, the staff fixes the punch 9 or the die 10 to complete the replacement of the punch 9 or the die 10. ;

[0057] The electrical components appearing in this article are all connected to the external main controller and 220V AC power through a transformer, and the main controller can be a conventional known device that controls a computer, etc. The product model provided by the present invention is only used for the technical solution according to the structural characteristics of the product. The product will be adjusted and modified after purchase to make it more matching and consistent with the technical solution of the present invention. It is a technical solution for the best application of the technical solution. The model of its product can be replaced and modified according to the required technical parameters, which is well known to technical personnel in this field. Therefore, technical personnel in this field can clearly obtain the corresponding use effect through the technical solution provided by the present invention.

[0058] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An EPS plastic foam molding machine, comprising: A frame (1); an operating platform (2) is fixedly connected to the lower middle position of the outer surface of the frame (1); a control cabinet (3) is fixedly connected to the upper surface of the operating platform (2) near the right end edge; a push mold unit (8) is fixedly connected to the left outer surface of the control cabinet (3); the left end outer surface of the push mold unit (8) is fixedly connected to uniformly distributed convex molds (9); a fixed mold unit (11) is fixedly connected to the left middle position of the upper surface of the operating platform (2), and the fixed mold unit (11) is fixedly connected to the frame (1); the right end outer surface of the fixed mold unit (11) is fixedly connected to a concave mold (10); a demoulding unit (7) is slidably connected to the fixed mold unit (11) ) on the left end outer surface; two connecting rods are symmetrically fixedly connected to the middle position of the right outer surface of the demoulding unit (7), and one end of the connecting rod passes through the fixed mold unit (11) and is fixedly connected to the left outer surface of the ejecting mold unit (8); a guide column (12) is evenly distributed and fixedly connected to the left end outer surface of the control cabinet (3), and the guide column (12) passes through the ejecting mold unit (8), the fixed mold unit (11) and the demoulding unit (7); a feed bin (4) is fixedly connected to the upper end surface of the frame (1) near the left end edge; and: a lifting mechanism (5); characterized in that: the lifting mechanism (5) is fixedly connected to the middle position of the upper end surface of the frame (1), and can easily lift the mold; The lifting mechanism (5) comprises a fixed block (51); the fixed block (51) is symmetrically fixedly connected to the middle position of the upper end surface of the frame (1); a limit plate (55) is provided at the middle position of the upper surface of the fixed block (51); a slide rail (53) is provided between the two fixed blocks (51); a mounting block (54) is sleeved on the outer circumferential surface of the slide rail (53); an electro-hydraulic push rod (56) is fixedly connected to the middle position of the outer surface of one side of the limit plate (55) close to the mounting block (54); one end of the electro-hydraulic push rod (56) is fixedly connected to the mounting block (54); two support plates (56) are symmetrically fixedly connected to the right position of the middle of the outer surface of the lower end of the mounting block (54) 510); two rope winding rollers (511) are symmetrically connected to the middle position of the left outer surface of the right support plate (510), and the left end surface of the rope winding roller (511) passes through the left support plate (510); the left end surface of the rope winding roller (511) is fixedly connected to a gear (58), and the two gears (58) are meshingly connected; the middle position of the left outer surface of the gear (58) on the rear side is fixedly connected to a first motor (57), and the first motor (57) is fixedly connected to the lower end surface of the mounting block (54); a traction rope (512) is wound around the outer circumferential surface of the rope winding roller (511); one end of the traction rope (512) is fixedly connected to a hook (59); The fixing block (51) is provided with an adjustment mechanism (52) inside; the adjustment mechanism (52) comprises a sliding cavity (521); the sliding cavity (521) is opened in the middle position inside the fixing block (51), and the sliding cavity (521) passes through the upper surface of the fixing block (51) and the outer surface of one side close to the mounting block (54); the middle position of the front outer surface of the fixing block (51) is fixedly connected with a second motor (522); the output end of the second motor (522) passes through the fixing block (5 1) The front outer surface extends into the sliding cavity (521) and is fixedly connected to a screw rod (523); one end of the screw rod (523) is fixedly connected to the rear inner surface of the sliding cavity (521); a slider (524) is threadedly connected to the outer circumferential surface of the screw rod (523), and the slider (524) is slidably connected to the sliding cavity (521); the limit plate (55) is fixedly connected to the upper surface of the slider (524); the slide rail (53) is fixedly connected between the two sliders (524); A conveying mechanism (6) is fixedly connected to the lower end surface of the frame (1) near the left edge; the conveying mechanism (6) comprises a contact plate (61); the contact plate (61) is fixedly connected to the lower end surface of the frame (1) near the left edge; a limiting groove (62) is provided in the middle of the upper surface of the contact plate (61); a hydraulic oil tank (63) is fixedly connected to the outer surface of the left end of the contact plate (61); a hydraulic rod (64) is fixedly connected to the middle of the outer surface of the right end of the hydraulic oil tank (63); a conveying bucket (65) is fixedly connected to the right end surface of the hydraulic rod (64); two rollers (66) are symmetrically rotatably connected to the outer surfaces of the front and rear sides of the conveying bucket (65) near the lower edge; the rollers (66) are arranged in the limiting groove (62).

2. The EPS plastic foam molding machine according to claim 1, characterized in that: When the rope winding roller (511) winds up the traction rope (512) to the shortest length, a vertical distance of 8 to 10 cm is maintained between the hook (59) and the push mold unit (8).

3. The EPS plastic foam molding machine according to claim 1, characterized in that: When the electro-hydraulic push rod (56) on the left side is retracted to the shortest position, a horizontal distance of 8 to 10 cm is maintained between the first motor (57) and the left side fixed block (51).

4. The EPS plastic foam molding machine according to claim 1, characterized in that: Buffer sponges (525) are fixedly connected to the inner surfaces of both the front and rear sides of the sliding cavity (521).

5. The EPS plastic foam molding machine according to claim 1, characterized in that: The four side walls of the conveying bucket (65) are all of mesh structure.

6. The EPS plastic foam molding machine according to claim 1, characterized in that: A material discharge net bag (67) is provided on the lower surface of the operating platform (2) between the corresponding fixed mold unit (11) and the ejecting mold unit (8).

7. The EPS plastic foam molding machine according to claim 6, characterized in that: The upper end surface of the material discharge net bag (67) is fixedly connected with a magnet (68).

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