Folding formwork

Abstract

The utility model discloses a folding type mould frame which comprises an upper mould frame, the bottom of the upper mould frame is fixedly connected with a mould core in a threaded mode, four sets of stand columns are evenly and fixedly connected to the two sides of the bottom of the upper mould frame in a threaded mode, meanwhile, the bottoms of the stand columns are fixed with a driving plate, the driving plate is movably installed in a lower mould frame, and a mould cavity is formed in the surface of the lower mould frame. According to the folding type mold frame, when the lower mold frame and the upper mold frame are transported, the upper mold frame can be detached from the tops of the four sets of stand columns, and the tops of the four sets of stand columns are stored in limiting holes through a driving motor, so that the surface of the lower mold frame is smooth, the occupied space is smaller, and the lower mold frame is not prone to being collided and damaged in the mold frame transporting or moving process; the transportation is more convenient; the four sets of stand columns are driven to work through the driving motors, the worms, the worm wheels and the studs, the driving mode is simple and rapid, and the self-locking performance between the worms and the worm wheels can be utilized, so that the stability of the mold in the static state is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of molds, in particular to a foldable mold frame. Background Art

[0002] The mold frame is a semi-finished product of the mold. The accuracy requirements of the mold frame are determined according to different levels and product requirements. The mold frame is a semi-finished product of the mold. It is composed of various steel plates and parts. It can be said to be the skeleton of the whole mold. In mold processing, the mold frame will be used to fix the mold to meet the needs of mold processing;

[0003] Regarding the patent of the foldable mold frame, after searching, the Chinese patent with the authorization announcement number CN220636051 U discloses a foldable mold frame; the article includes: through the cooperation between the upper mold frame, the lower mold frame, the guide column, the linkage rod, the force block, the support block and the adjustment member, when the foldable mold frame needs to be folded, the support blocks on both sides are first driven away from the corresponding force blocks through the adjustment member, when the force block has no support point of the support block, at this moment, under the factor of gravity, the upper mold frame will drive the guide column to slide downward, so that the guide column slides into the lower mold frame, and the operation is simple and convenient; at the same time, under the adjustment of the adjustment member, multiple groups of guide columns slide synchronously, so as to avoid the upper mold and the lower mold from tilting during the sliding process, thereby improving the service life of the mold frame;

[0004] The method of driving four groups of guide columns by three groups of gears and racks, force blocks and support blocks can complete the lifting of the four groups of guide columns, but the driving structure is complicated, and the gears and racks are prone to disengagement, making the equipment unusable. At the same time, the lifting drive structure of the four groups of guide columns is too complicated and prone to damage. Utility Model Content

[0005] The purpose of the utility model is to provide a foldable mold frame to solve the defects mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, a foldable mold frame is provided, including an upper film frame, the bottom of the upper film frame is screwed and fixed to the mold core, and four groups of columns are evenly screwed and fixed on both sides of the bottom of the upper film frame, and the bottom of the column is fixed to a driving plate, and the driving plate is movably installed inside the lower film frame, a mold cavity is opened on the surface of the lower film frame, and a driving motor is screwed and fixed to the outer side of the bottom of the lower film frame, and the output shaft of the driving motor is fixed to a worm, and the worm is movably installed at the bottom of the lower film frame through a bearing, and a worm wheel is installed on the left side of the worm, and the rotating shaft of the worm wheel is fixedly connected to a stud, and the stud is screwed inside a screw hole opened in the middle of the driving plate, and the upper film frame and the lower film frame are combined together to form a mold.

[0007] Preferably, four groups of limiting holes are evenly opened on the surface of the lower film frame, and columns are inserted into the four groups of limiting holes. At the same time, the four groups of columns are driven to rise and fall through a driving plate, a stud, a driving motor, a worm and a worm gear.

[0008] Preferably, four groups of guide holes are evenly arranged on the driving plate, and guide rods are inserted into the inside of the four groups of guide holes, and the bottom of the guide rods is fixedly connected to the bottom plate, and the bottom plate is fixed on the inner wall of the lower film frame.

[0009] Preferably, the sizes of the worm and the worm wheel are matched, and the worm and the worm wheel are meshingly connected, and the stud is driven to rotate by the driving motor, the worm and the worm wheel.

[0010] Preferably, the four groups of columns move downward and their tops are stored in the limiting holes, and the four groups of columns rise and fall synchronously, and the driving plate is a horizontal lifting structure.

[0011] Preferably, the driving plate is a rectangular structure made of metal material, and a mounting plate in an annular arrangement is screwed and fixed on the surface of the driving plate, and the mounting plate and the stud are concentric circle structures.

[0012] Preferably, six groups of push rods are evenly and fixedly arranged on the surface of the mounting plate, and the distance between two adjacent groups of push rods is consistent, and the tops of the push rods are arranged in an arc shape.

[0013] Preferably, six groups of openings are evenly formed at the bottom of the mold cavity, and the openings are adapted to the size of the ejector rods, while the ejector rods are inserted into the openings.

[0014] Preferably, the six groups of ejector rods are driven to rise and fall by a driving plate, and the six groups of ejector rods move upward to eject the product inside the mold cavity.

[0015] Preferably, the push rod is arranged perpendicular to the driving plate, and the push rod is a cylindrical structure made of metal material.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. When demoulding, the output shaft of the driving motor can be reversed. When demoulding, the power generated by the driving motor is used to drive the four sets of ejectors on the mounting plate to move upward through the driving plate to demould the product inside the mold cavity, thereby achieving the purpose of rapid demoulding of the product;

[0018] 2. When transporting the lower film frame and the upper film frame, the upper film frame can be disassembled from the top of the four groups of columns, and the top of the four groups of columns can be stored in the limit hole through the driving motor, so that the surface of the lower film frame is flat, the space occupied is smaller, and it is not easy to be bumped or damaged during the transportation or movement of the mold frame; it is more convenient to transport; the four groups of columns are driven by the driving motor, worm, worm wheel and stud, the driving method is simple and fast, and the self-locking performance between the worm and worm wheel can be used to ensure the stability of the mold when it is stationary;

[0019] 3. The stud is driven to rotate by the driving motor, worm and worm gear; with the driving motor as the power, four groups of columns can be simultaneously lowered and raised, the ejector rod can demould the product, and the mold can be closed and opened. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front view of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the utility model structure column being stored inside the lower membrane frame;

[0022] Figure 3 The utility model structure Figure 3 Schematic diagram of the upward movement of the driving plate;

[0023] Figure 4 The utility model structure Figure 1 Schematic diagram of the cross-sectional structure of the driving plate in FIG.

[0024] Figure 5 It is a top view of the lower membrane frame of the utility model structure.

[0025] Numbers in the figure: 1, upper film frame; 2, mold core; 3, mold cavity; 4, mold; 5, column; 6, lower film frame; 7, limit hole; 8, guide rod; 9, drive plate; 10, bottom plate; 11, guide hole; 12, drive motor; 13, worm; 14, worm wheel; 15, mounting plate; 16, push rod; 17, opening; 18, stud. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0028] In the present utility model, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral body; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances. In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, scheme B, or schemes that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0029] See also Figure 1-5 The utility model provides a folding mold frame, including an upper film frame 1, the bottom of the upper film frame 1 is screwed and fixed to the mold core 2, and four groups of columns 5 are evenly screwed and fixed on both sides of the bottom of the upper film frame 1, and the bottom of the column 5 is fixed to the driving plate 9, and the driving plate 9 is movably installed inside the lower film frame 6, and the surface of the lower film frame 6 is provided with a mold cavity 3, and the outer side of the bottom of the lower film frame 6 is screwed and fixed with a driving motor 12, and the output shaft of the driving motor 12 is fixed to a worm 13, and the worm 13 is movably installed at the bottom of the lower film frame 6 through a bearing, and a worm wheel 14 is installed on the left side of the worm 13, and the rotating shaft of the worm wheel 14 is fixedly connected to a stud 18, and the stud 18 is screwed inside the screw hole opened in the middle of the driving plate 9, and the upper film frame 1 and the lower film frame 6 are combined together to form a mold 4.

[0030] Working principle: When in use, start the external switch of the drive motor 12, the output shaft of the drive motor 12 drives the worm wheel 14 to rotate through the worm 13, the worm wheel 14 drives the stud 18 to rotate, the stud 18 drives the drive plate 9 to move downward, and the upper film frame 1 is pulled downward through the four groups of columns 5, so that the mold 4 can be closed;

[0031] When demolding, the output shaft of the driving motor 12 can be reversed. When demolding, the power generated by the driving motor 12 is used to drive the four groups of ejector rods 16 on the mounting plate 15 to move upward through the driving plate 9 to demold the product inside the mold cavity 3, thereby achieving the purpose of quickly demolding the product.

[0032] As a preferred embodiment, four groups of limiting holes 7 are evenly opened on the surface of the lower film frame 6, and the four groups of limiting holes 7 are inserted into the inside of the four groups of limiting holes 7. At the same time, the four groups of columns 5 are driven to rise and fall through the driving plate 9, studs 18, driving motor 12, worm 13 and worm gear 14.

[0033] Four groups of guide holes 11 are evenly formed on the driving plate 9 , and the guide rods 8 are inserted into the inside of the four groups of guide holes 11 . Meanwhile, the bottom of the guide rods 8 is fixedly connected to the bottom plate 10 , and the bottom plate 10 is fixedly arranged on the inner wall of the lower film frame 6 .

[0034] like Figure 1-4 As shown: when transporting the lower film frame 6 and the upper film frame 1, the upper film frame 1 can be removed from the top of the four groups of columns 5, and the top of the four groups of columns 5 can be stored in the limiting hole 7 by driving the motor 12, so that the surface of the lower film frame 6 is flat, the space occupied is smaller, and it is not easy to be bumped or damaged during the transportation or movement of the mold frame; it is more convenient to transport.

[0035] As a preferred embodiment, the sizes of the worm 13 and the worm wheel 14 are adapted to each other, and the worm 13 and the worm wheel 14 are meshed and connected, and the stud 18 is driven to rotate by the driving motor 12 , the worm 13 , and the worm wheel 14 .

[0036] The four groups of columns 5 move downward and their tops are stored in the limiting holes 7 , and the four groups of columns 5 rise and fall synchronously, while the driving plate 9 is a horizontal lifting structure.

[0037] like Figure 1-5 As shown: the stud 18 is driven to rotate by the drive motor 12, the worm 13, and the worm wheel 14; with the drive motor 12 as the power, the four groups of columns 5 can be simultaneously lowered, the ejector 16 can demould the product, and the mold 4 can close and open the mold.

[0038] As a preferred embodiment, the drive plate 9 is a rectangular structure made of metal material, and a ring-shaped mounting plate 15 is screwed and fixed on the surface of the drive plate 9, and the mounting plate 15 and the stud 18 are concentric circle structures.

[0039] Six groups of push rods 16 are evenly and fixedly arranged on the surface of the mounting plate 15 , and the distance between two adjacent groups of push rods 16 is consistent. Meanwhile, the tops of the push rods 16 are arranged in an arc shape.

[0040] Six groups of ejector pins 16 are evenly and fixedly arranged on the surface of the mounting plate 15 . When the mold 4 is opened, the six groups of ejector pins 16 move upward to demould the product inside the mold cavity 3 .

[0041] As a preferred embodiment, six groups of openings 17 are evenly formed at the bottom of the mold cavity 3 , and the openings 17 are adapted to the size of the ejector rod 16 , while the ejector rod 16 is inserted into the inside of the openings 17 .

[0042] The six groups of ejector rods 16 are driven to rise and fall by the driving plate 9 , and the six groups of ejector rods 16 move upward to eject the product inside the mold cavity 3 .

[0043] The push rod 16 is vertically arranged to the driving plate 9 , and the push rod 16 is a cylindrical structure made of metal material.

[0044] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A foldable mold frame, comprising an upper film frame (1), characterized in that: The bottom of the upper film frame (1) is screwed and fixed to the mold core (2), and four groups of columns (5) are evenly screwed and fixed on both sides of the bottom of the upper film frame (1), and the bottom of the column (5) is fixed to the driving plate (9), and the driving plate (9) is movably installed inside the lower film frame (6). A mold cavity (3) is opened on the surface of the lower film frame (6), and the outer side of the bottom of the lower film frame (6) is screwed and fixed to the driving motor (12), and the output shaft of the driving motor (12) is fixed to the worm (13), the worm (13) is movably installed inside the lower part of the lower film frame (6) through a bearing, and a worm wheel (14) is installed on the left side of the worm (13), and the rotating shaft of the worm wheel (14) is fixedly connected to the stud (18), and the stud (18) is screwed inside the screw hole opened in the middle of the driving plate (9), and the upper film frame (1) and the lower film frame (6) are combined together to form a mold (4).

2. A foldable formwork according to claim 1, characterized in that: Four groups of limiting holes (7) are evenly arranged on the surface of the lower film frame (6), and the insides of the four groups of limiting holes (7) are all inserted with columns (5). At the same time, the four groups of columns (5) are driven to rise and fall through a driving plate (9), a stud (18), a driving motor (12), a worm (13) and a worm wheel (14).

3. A foldable formwork according to claim 1, characterized in that: Four groups of guide holes (11) are evenly arranged on the driving plate (9), and guide rods (8) are inserted into the inside of the four groups of guide holes (11). At the same time, the bottom of the guide rod (8) is fixedly connected to the bottom plate (10), and the bottom plate (10) is fixedly arranged on the inner wall of the lower film frame (6).

4. A foldable formwork according to claim 1, characterized in that: The sizes of the worm (13) and the worm wheel (14) are adapted to each other, and the worm (13) and the worm wheel (14) are meshed and connected, and the stud (18) is driven to rotate by the driving motor (12), the worm (13) and the worm wheel (14).

5. A foldable formwork according to claim 2, characterized in that: The four groups of columns (5) move downward and their tops are stored inside the limiting holes (7), and the four groups of columns (5) rise and fall synchronously, while the driving plate (9) is a horizontal lifting structure.

6. A foldable formwork according to claim 1, characterized in that: The driving plate (9) is a rectangular structure made of metal material, and a mounting plate (15) arranged in an annular shape is screwed and fixed on the surface of the driving plate (9), and the mounting plate (15) and the stud (18) are concentric circle structures.

7. A foldable formwork according to claim 6, characterized in that: Six groups of push rods (16) are evenly and fixedly arranged on the surface of the installation plate (15), and the distance between two adjacent groups of push rods (16) is consistent. At the same time, the top of the push rod (16) is arranged in an arc shape.

8. The foldable formwork according to claim 1, characterized in that: The bottom of the mold cavity (3) is evenly provided with six groups of openings (17), and the openings (17) are adapted to the size of the ejector rod (16), while the ejector rod (16) is inserted into the inside of the openings (17).

9. A foldable formwork according to claim 7, characterized in that: The six groups of ejector rods (16) are driven to rise and fall by the driving plate (9), and the six groups of ejector rods (16) move upward to eject the product inside the mold cavity (3).

10. A foldable formwork according to claim 7, characterized in that: The push rod (16) is arranged vertically to the driving plate (9), and the push rod (16) is a cylindrical structure made of metal material.

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