Inclined top ejection mold for injection molding processing of high-temperature-resistant preservation box cover

Abstract

The utility model discloses a pitched roof ejection mould for injection molding processing of a high-temperature resistant preservation box cover, which comprises a base, the top of the inner wall of the base is fixedly connected with a first fixing frame, the inner wall of the first fixing frame is fixedly connected with a bottom mould, and a limiting pipe penetrates through the corner of the upper surface of the first fixing frame; a sliding rod is slidably connected to an inner cavity of the limiting pipe, a second fixing frame is fixedly connected to the top end of the sliding rod, a top mold is fixedly connected to the inner wall of the second fixing frame, the bottom mold is matched with the top mold in an extrusion mode, a pushing mechanism is fixedly connected to the bottom face of an inner cavity of the base, and the pushing mechanism comprises a limiting column. The limiting column is fixedly connected to the bottom face of an inner cavity of the base, a sliding frame is slidably connected to the outer surface of the limiting column, and a pushing rod is fixedly connected to the outer surface of the sliding frame. The pitched roof ejection mold for injection molding of the high-temperature-resistant preservation box cover has the effect of automatically pushing out the cover body during demolding.

Description

TECHNICAL FIELD

[0001] The utility model relates to fresh -keeping box cover injection moulding processing technical field especially relates to a kind of oblique ejection mould for high-temperature-resistant fresh-keeping box cover injection moulding processing. BACKGROUND

[0002] The injection molding of the fresh-keeping box cover is a key link in the field of plastic product production, with strict process requirements and standard processes, aiming to produce high-quality finished products that meet the use requirements. Before injection molding, the raw materials need to be carefully prepared, and food-grade plastics such as polypropylene (PP) are often used. It is safe, non-toxic, and has good chemical stability, which meets the characteristics of the fresh-keeping box contacting food. The raw materials are dried to remove moisture to prevent bubbles, silver wires and other defects in the product. Mold design is the most important, according to the size, shape and sealing requirements of the cover, the runner layout should be reasonable to ensure uniform and rapid filling of the plastic melt into the cavity. During processing, the injection molding machine is heated to the predetermined process temperature, and the screw pushes the raw materials to melt and plasticize, and then high-pressure and high-speed injection is performed into the closed mold. During the process, the injection pressure, speed and holding time are accurately controlled. If the pressure is too high, it is easy to fly; if it is too small, it will lack material; holding pressure is the key to maintaining the density of the product.

[0003] The utility model of a kind of combined type kettle cover processing injection mould is disclosed in the announcement No. CN220720148U, it includes: lower mould and fixed column, the lower mould upper surface is symmetrically provided with mold cavity, and the mold cavity side is fixedly connected with fixed plate, while the sliding groove is opened in the mold cavity side, the movable plate is slidably connected in the sliding groove, the transmission groove is opened in the lower mould bottom, the worm gear set is movably connected in the transmission groove through bearing, and the fixed plate is movably connected on the fixed column upper surface, the fixed plate side is fixedly connected with threaded plate, and the fixed column is movably connected with moving column in the fixed column through the through groove. The utility model can demold the inside and outside of the kettle cover in batches, reduce the difficulty of demolding, and also can enhance the convenience of opening the screw thread in the kettle cover by the cooperation of the fixed plate, the movable plate, the threaded plate, the fixed plate, the moving column and the rotating column.

[0004] The following problems still exist in the similar application as described above:

[0005] The cover after forming needs to be hit to be taken out. UTILITY MODEL CONTENTS

[0006] The utility model discloses a kind of oblique ejection mould for high-temperature-resistant fresh-keeping box cover injection moulding processing, to solve the technical problem that the cover after forming needs to be hit to be taken out.

[0007] To achieve the above purpose, the utility model adopts the following technical scheme:

[0008] The utility model provides a kind of high-temperature-resistant fresh-keeping box cover injection processing with inclined roof ejection mould, including base, the top of the inner wall of base is fixedly connected with first fixed frame, the inner wall of first fixed frame is fixedly connected with bottom die, the edge of first fixed frame upper surface is penetrated with limit tube, the inner cavity of limit tube is slidably connected with sliding rod, the top of sliding rod is fixedly connected with second fixed frame, the inner wall of second fixed frame is fixedly connected with top die, bottom die and top die are extruded adaptation, the bottom of base inner cavity is fixedly connected with push mechanism, and the push mechanism includes limit post, the limit post is fixedly connected on the bottom of base inner cavity, the outer surface of limit post is slidably connected with sliding frame, the outer surface of sliding frame is fixedly connected with push rod, and the push rod penetrates bottom die and extends to the inner cavity of bottom die.

[0009] By setting base, the device can be placed on a plane without shaking, by setting limit tube, the sliding rod can be limited, so that the sliding rod can move vertically up and down in the inner cavity of the limit tube, and the top die can be in close contact with the bottom die, by setting the top die and the bottom die, the shape of the heat preservation box cover can be formed when they are connected together, by setting the push mechanism, the formed heat preservation box cover can be extruded automatically when the top die and the bottom die are separated, so that the heat preservation box cover can be pushed out, by setting the limit post, the sliding frame can be limited, so that the sliding frame can move vertically up and down on the outer surface of the limit post, and the end of the push rod can extrude the heat preservation box cover.

[0010] In a preferred scheme, the number of limit tubes is four, and the four limit tubes are respectively penetrated in the edge corners of the upper surface of the first fixed frame, the edge corners of the upper surface of the top die are fixedly connected with fixed columns, the top ends of the fixed columns are fixedly connected with storage boxes, the lower surfaces of the storage boxes are penetrated with discharge pipes, and the discharge pipes penetrate the top die.

[0011] By setting four limit tubes, the second fixed frame can move vertically up and down with the first fixed frame, by setting the storage box, the material needed for the formation of the heat preservation box cover can be stored, and by setting the discharge pipe, the material in the inner cavity of the storage box can enter the inner cavity of the top die.

[0012] In a preferred scheme, the top end of the limit post is fixedly connected with a limit frame, the upper surface of the limit frame is fixedly connected to the lower surface of the first fixed frame, the push rod is slidably connected to the groove of the limit frame, the outer surface of the limit post is sleeved with a spring, the bottom end of the spring is fixedly connected to the bottom of the inner cavity of the sliding frame, the edge corners of the lower surface of the sliding frame are respectively fixedly connected with bent rods, the ends of the bent rods are fixedly connected with extrusion blocks, the extrusion blocks are located directly below the limit tube, and the bottom end of the sliding rod is extruded and adapted with the extrusion block.

[0013] By setting the limiting frame, the limiting column can be connected with the first fixed frame together, by setting the spring, the sliding frame can be extruded and pulled, so that the sliding frame can produce the effect of moving up and down, by setting the bending rod and the extrusion block, the extrusion block can be extruded when the sliding rod moves up and down, so that the sliding frame moves up and down.

[0014] From the above, a kind of high-temperature-resistant fresh-keeping box cover injection molding is used in inclined top ejection mold, compared with prior art, it has the following improvements and advantages;

[0015] One: by setting base, the device can be placed on plane without shaking, by setting limiting pipe, the sliding rod can be limited, so that the sliding rod can produce vertical up-down movement in the inner cavity of limiting pipe, in turn, the top die can be tightly contacted with the bottom die, by setting top die and bottom die, the shape of heat preservation box cover can be formed when being connected together.

[0016] Second: by setting pushing mechanism, the formed heat preservation box cover can be extruded automatically when top die and bottom die are separated, so that the heat preservation box cover can be pushed out, by setting limiting column, the sliding frame can be limited, so that the sliding frame can produce the effect of vertical up-down movement on the outer surface of limiting column, and the end of pushing rod extrudes heat preservation box cover. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model provides a kind of high-temperature-resistant fresh-keeping box cover injection molding is used in inclined top ejection mold structure schematic view.

[0018] Figure 2 The utility model provides a kind of high-temperature-resistant fresh-keeping box cover injection molding is used in inclined top ejection mold structure side view.

[0019] Figure 3 The utility model provides a kind of high-temperature-resistant fresh-keeping box cover injection molding is used in inclined top ejection mold top die schematic view.

[0020] Figure 4 The utility model provides a kind of high-temperature-resistant fresh-keeping box cover injection molding is used in inclined top ejection mold pushing mechanism schematic view.

[0021] Figure 5 The utility model provides a kind of high-temperature-resistant fresh-keeping box cover injection molding is used in inclined top ejection mold pushing mechanism local schematic view.

[0022] In the drawings: 1, base; 2, first fixed frame; 3, bottom die; 4, limiting pipe; 5, sliding rod; 6, second fixed frame; 7, top die; 8, storage box; 9, pushing mechanism; 10, fixed column; 11, discharge pipe; 91, limiting column; 92, sliding frame; 93, bent rod; 94, extrusion block; 95, pushing rod; 96, limiting frame; 97, spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0024] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0025] The inclined top ejection mold for high-temperature-resistant fresh-keeping box cover injection molding disclosed by the present application is mainly applied to the scene where the cover after forming needs to be hit to be taken out.

[0026] With reference to Figure 1 - Figure 4The utility model provides a kind of high-temperature-resistant fresh-keeping box cover injection processing with inclined roof ejection mould, including base 1, the top of the inner wall of base 1 is fixedly connected with first fixed frame 2, the inner wall of first fixed frame 2 is fixedly connected with bottom die 3, the edge of the upper surface of first fixed frame 2 is penetrated with limit tube 4, the inner cavity of limit tube 4 is slidably connected with sliding rod 5, the top of sliding rod 5 is fixedly connected with second fixed frame 6, the inner wall of second fixed frame 6 is fixedly connected with top die 7, bottom die 3 and top die 7 are extruded adaptation, the bottom of the inner cavity of base 1 is fixedly connected with pusher mechanism 9, and pusher mechanism 9 includes limit post 91, limit post 91 is fixedly connected on the bottom of the inner cavity of base 1, the outer surface of limit post 91 is slidably connected with sliding frame 92, the outer surface of sliding frame 92 is fixedly connected with pusher rod 95, pusher rod 95 penetrates bottom die 3 and extends to the inner cavity of bottom die 3, by setting base 1, the device can be placed on plane without shaking, by setting limit tube 4, sliding rod 5 can be limited, so that sliding rod 5 can be vertically moved in the inner cavity of limit tube 4, and then top die 7 can be contacted tightly with bottom die 3, by setting top die 7 and bottom die 3, the shape of heat preservation box cover can be formed when being connected together, by setting pusher mechanism 9, the formed heat preservation box cover can be extruded automatically when top die 7 and bottom die 3 are separated, so that the heat preservation box cover can be pushed out, by setting limit post 91, sliding frame 92 can be limited, so that sliding frame 92 can be vertically moved on the outer surface of limit post 91, and the end of pusher rod 95 extrudes heat preservation box cover.

[0027] With reference to Figure 1 - Figure 3 In a preferred embodiment, the number of limit tubes 4 is four, and the four limit tubes 4 are respectively penetrated in the edge of the upper surface of first fixed frame 2, by setting four limit tubes 4, second fixed frame 6 can be vertically moved with first fixed frame 2, fixed column 10 is fixedly connected on the edge of the upper surface of top die 7, storage tank 8 is fixedly connected on the top of fixed column 10, by setting storage tank 8, the material needed for heat preservation box cover forming can be stored, discharge pipe 11 is penetrated in the lower surface of storage tank 8, and discharge pipe 11 penetrates top die 7, by setting discharge pipe 11, the material in the inner cavity of storage tank 8 can enter the inner cavity of top die 7.

[0028] With reference to Figure 1 、 Figure 4 and Figure 5In a preferred embodiment, the top end of the limiting column 91 is fixedly connected with a limiting frame 96, the upper surface of the limiting frame 96 is fixedly connected with the lower surface of the first fixed frame 2, the pushing rod 95 is slidingly connected at the groove of the limiting frame 96, by arranging the limiting frame 96, the limiting column 91 and the first fixed frame 2 can be connected together, the outer surface of the limiting column 91 is sleeved with a spring 97, the bottom end of the spring 97 is fixedly connected with the bottom surface of the inner cavity of the sliding frame 92, by arranging the spring 97, the sliding frame 92 can be extruded and pulled, so that the sliding frame 92 can move up and down, the corners of the lower surface of the sliding frame 92 are respectively fixedly connected with a bent rod 93, the end of the bent rod 93 is fixedly connected with an extrusion block 94, the extrusion block 94 is located directly below the limiting tube 4, the bottom end of the sliding rod 5 is extruded and adapted with the extrusion block 94, by arranging the bent rod 93 and the extrusion block 94, the extrusion block 94 can be extruded when the sliding rod 5 moves up and down, so that the sliding frame 92 moves up and down.

[0029] Working principle: in use, the operator inserts the sliding rod 5 into the inner cavity of the limiting tube 4 and presses downward, then the operator performs injection molding on the heat preservation box cover, after the heat preservation box is injection molded, the operator moves the second fixed frame 6 upward and extracts the sliding rod 5 from the limiting tube 4, when the sliding rod 5 is no longer extruded with the extrusion block 94, under the influence of the elastic potential energy of the spring 97, the sliding frame 92 moves upward, thereby driving the pushing rod 95 to move upward and push the heat preservation box cover formed in the inner cavity of the bottom die 3, so as to automatically take off the heat preservation box cover after injection molding.

[0030] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. The replacement can be a partial structure, device, method step replacement, or a complete technical solution. According to the technical scheme and the utility model concept of the present application, equivalent replacement or change should be covered within the protection scope of the present application.

Claims

1. An inclined ejection mold for injection molding of a high-temperature-resistant fresh-keeping box cover, comprising a base (1), a first fixed frame (2) fixedly connected to the top of the inner wall of the base (1), characterized in that, The inner wall of the first fixed frame (2) is fixedly connected with a bottom die (3), the edge of the upper surface of the first fixed frame (2) is penetrated by a limiting tube (4), the inner cavity of the limiting tube (4) is slidably connected with a sliding rod (5), the top end of the sliding rod (5) is fixedly connected with a second fixed frame (6), the inner wall of the second fixed frame (6) is fixedly connected with a top die (7), the bottom die (3) and the top die (7) are extruded and matched, the bottom surface of the inner cavity of the base (1) is fixedly connected with a pushing mechanism (9), the pushing mechanism (9) comprises a limiting column (91), the limiting column (91) is fixedly connected to the bottom surface of the inner cavity of the base (1), the outer surface of the limiting column (91) is slidably connected with a sliding frame (92), the outer surface of the sliding frame (92) is fixedly connected with a pushing rod (95), the pushing rod (95) penetrates the bottom die (3) and extends to the inner cavity of the bottom die (3).

2. The slanted ejection mold for injection molding of a high-temperature-resistant fresh-keeping box cover according to claim 1, characterized in that, The number of the limiting tube (4) is four, and the four limiting tubes (4) penetrate the edge of the upper surface of the first fixed frame (2) respectively.

3. The slanted ejection mold for injection molding of a high-temperature-resistant fresh-keeping box cover according to claim 1, characterized in that, The edge of the upper surface of the top die (7) is fixedly connected with a fixed column (10), and the top end of the fixed column (10) is fixedly connected with a storage box (8).

4. The slanted ejection mold for injection molding of a high-temperature-resistant fresh-keeping box cover according to claim 3, characterized in that, The lower surface of the storage box (8) is penetrated by a discharge pipe (11), and the discharge pipe (11) penetrates the top die (7).

5. The slanted ejection mold for injection molding of a high-temperature-resistant fresh-keeping box cover according to claim 1, characterized in that, The top end of the limiting column (91) is fixedly connected with a limiting frame (96), the upper surface of the limiting frame (96) is fixedly connected to the lower surface of the first fixed frame (2), and the pushing rod (95) is slidably connected to the groove of the limiting frame (96).

6. The bevel lift ejection mold for injection molding of a high-temperature-resistant fresh-keeping box cover according to claim 5, characterized in that, The outer surface of the limiting column (91) is sleeved with a spring (97), and the bottom end of the spring (97) is fixedly connected to the bottom surface of the inner cavity of the sliding frame (92).

7. The bevel lift ejection mold for injection molding of a high-temperature-resistant fresh-keeping box cover according to claim 1, characterized in that, The edge of the lower surface of the sliding frame (92) is fixedly connected with a bent rod (93) respectively, the end of the bent rod (93) is fixedly connected with a pressing block (94), the pressing block (94) is located directly below the limiting tube (4), and the bottom end of the sliding rod (5) is extruded and matched with the pressing block (94).

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