Mold frame capable of preventing top plate from sliding off
By employing a spring and protrusion engagement structure and an electric telescopic rod design in the mold frame, the problem of top plate slippage was solved, achieving top plate stability and automated mold operation, thereby improving product quality and production efficiency.
Patent Information
- Application Number
- CN202520457481.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-17
AI Technical Summary
The top plate of a traditional mold frame is prone to slippage, which can damage the mold or equipment parts and affect product precision and quality.
A mold frame designed to prevent top plate slippage is constructed. By utilizing springs and protrusions to engage with the slot when the connecting plate moves downwards, the stability of the top plate is enhanced. The fixing and releasing of the top plate is achieved through an electric telescopic rod, thereby improving the automation level of mold operation.
It enhances the stability of the top plate, reduces deformation during injection molding, avoids product defects, and improves the overall stability and automation of the mold.
Smart Images

Figure CN223877399U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of mould frame, especially a mould frame preventing top plate from sliding. BACKGROUND
[0002] Mould frame, also known as mould support frame or mould support, is a frame structure used to fix and support moulds. In manufacturing industry, especially in plastic injection, die casting, forging and other forming processes, mould frame is the basis of mould installation and operation. Mould frame is usually made of metal and has sufficient strength and stability to bear the weight of moulds and the force generated during the forming process.
[0003] However, the traditional mould frame is prone to top plate sliding during use, which may cause damage to the mould or other equipment parts, thereby affecting the dimensional accuracy, shape and surface quality of the product, resulting in substandard or waste products
[0004] Therefore, the skilled person in the art provides a mould frame preventing top plate from sliding to solve the problems in the background art. SUMMARY
[0005] The utility model discloses a kind of mould frames preventing top plate from sliding to solve the problems in the background art, when connecting plate moves downwards, first connecting block and second connecting block follow movement, compress first spring and second spring, release pressure after entering empty slot, so that first lug and second lug are engaged with empty slot, to improve the stability of top plate, reduce the deformation caused by injection pressure.
[0006] To achieve the above object, the utility model provides the following technical scheme:
[0007] A kind of mould frame preventing top plate from sliding, including base and fixed mould groove, the lower end of the inner wall of the fixed mould groove is provided with clamping mechanism, the inner wall of the base is provided with mounting mechanism, the clamping mechanism includes top plate, the lower end of the top plate is located in the lower end of the inner wall of fixed mould groove, the lower end of the top plate is fixedly connected with connecting plate, the side of the lower end of the top plate away from the center of connecting plate is uniformly fixedly connected with first connecting block;
[0008] The lower end of the first connecting block is uniformly provided with first cavity, the side of the first cavity away from the center of top plate is fixedly connected with first spring, the side of the first spring close to the center of top plate is fixedly connected with first lug, the side of the lower end of the connecting plate close to the center of connecting plate is uniformly fixedly connected with a plurality of second connecting blocks, the side of the lower end of the connecting plate away from the center of connecting plate is uniformly provided with second cavity, the side of the second cavity away from the center of connecting plate is fixedly connected with second spring, the side of the second spring away from the center of connecting plate is fixedly connected with second lug, the lower end of the connecting plate is provided with mounting block, the upper end of the mounting block is provided with empty slot;
[0009] Through the technical scheme, the connecting plate is moved downward, the first connecting block and the second connecting block are moved downward, the first spring and the second spring are contracted, and then into the empty groove, the spring releases the pressure, the first protruding block and the second protruding block are clamped with the empty groove, the stability of the top plate can be enhanced, the closed part of the mold can be ensured to be fixed during the injection molding process, the deformation under the injection pressure is reduced, and product defects caused by the deformation of the top plate are avoided.
[0010] Further, the middle part of the inner wall of the base is provided with an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with a fixed block, the upper end of the fixed block is uniformly fixedly connected with a third protruding block away from one side of the center of the fixed block, the inner wall of the third protruding block is provided with a bolt, and the side away from the center of the mounting block is uniformly provided with a third cavity.
[0011] Through the technical scheme, the use of the electric telescopic rod enables the fixing and releasing of the top plate to be realized through electric control, improves the automation degree of the mold operation, and enables the top plate to be replaced by removing the bolt.
[0012] Further, the two sides of the base are fixedly connected with guide rods, the upper ends of the two guide rods are fixedly connected with a cover plate, and the middle part of the lower end of the cover plate is fixedly connected with an air cylinder.
[0013] Through the technical scheme, the overall stability of the mold structure is improved, and the displacement of the mold during the injection molding process is reduced.
[0014] Further, the first protruding block and the second protruding block are clamped and connected with the mounting block.
[0015] Through the technical scheme, the pressure on the top plate can be dispersed and uniformly borne, so that the stability of the entire mold structure is improved.
[0016] Further, the first spring and the second spring respectively slide in the inner walls of the first cavity and the second cavity.
[0017] Through the technical scheme, the space utilization rate of the mold is improved.
[0018] Further, the electric telescopic rod and the two telescopic rods all penetrate through the base to the outside of the base, and the plurality of bolts all penetrate through the mounting block to the inside of the third cavity.
[0019] Through the technical scheme, uniform ejection force can be provided, and deformation or damage of the mold due to uneven stress can be avoided.
[0020] Further, the output end of the air cylinder is fixedly connected with a moving mold, and the middle part of the upper end of the base is fixedly connected with a fixed mold groove.
[0021] Through the technical scheme, stable and strong power can be provided, and the mold can be ensured to complete the opening and closing action quickly and accurately.
[0022] Further, the upper ends of the two guide rods penetrate the movable mold to the outside of the movable mold.
[0023] Through the technical scheme, the movement of the movable mold is more stable, and vibration is reduced.
[0024] The utility model has the advantages of the following beneficial effects:
[0025] 1. The mold frame provided by the utility model can enhance the stability of the top plate, ensure that the closed part of the mold remains fixed during the injection molding process, reduce deformation under the action of injection molding pressure, and avoid product defects caused by deformation of the top plate. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 The utility model provides a kind of axonometric drawing of the mold frame of the top plate of preventing from sliding of the utility model;
[0027] Figure 2 The utility model provides a kind of front view of the mold frame of the top plate of preventing from sliding of the utility model;
[0028] Figure 3 The utility model provides a kind of partial explosion view of the mold frame of the top plate of preventing from sliding of the utility model;
[0029] Figure 4 The utility model provides a kind of partial front view of the mold frame of the top plate of preventing from sliding of the utility model;
[0030] Figure 5 For Figure 4 Enlargement in B place;
[0031] Figure 6 The utility model provides a kind of structure schematic view of the mold frame of the top plate of preventing from sliding of the utility model;
[0032] Figure 7 The utility model provides a kind of front view of the mold frame of the top plate of preventing from sliding of the utility model;
[0033] Figure 8 For Figure 3 Enlargement in A place.
[0034] LEGEND:
[0035] 1, the engagement mechanism; 101, the top plate; 102, the connecting plate; 103, the first connecting block; 104, the first cavity; 105, the first spring; 106, the first lug; 107, the second cavity; 108, the second spring; 109, the second lug; 110, the second connecting block; 111, the mounting block; 112, the empty slot;
[0036] 2, the mounting mechanism; 201, the electric telescopic rod; 202, the telescopic rod; 203, the fixed block; 204, the third lug; 205, the bolt; 206, the third cavity;
[0037] 3, the base; 4, the guide rod; 5, the cover plate; 6, the air cylinder; 7, the moving die; 8, the fixed die groove. DETAILED DESCRIPTION
[0038] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0039] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the utility model provides an embodiment: a kind of mould frame for preventing top plate from sliding, including base 3 and fixed die groove 8, the lower end of the inner wall of fixed die groove 8 is provided with engagement mechanism 1, the inner wall of base 3 is provided with mounting mechanism 2, engagement mechanism 1 includes top plate 101, top plate 101 is located in the lower end of the inner wall of fixed die groove 8, top plate 101 lower end is fixedly connected with connecting plate 102, and the side of top plate 101 lower end away from the center of connecting plate 102 is uniformly fixedly connected with first connecting block 103;
[0040] A plurality of first connecting blocks 103 lower end are provided with a first cavity 104, a plurality of first cavities 104 away from the center of the top plate 101 one side is fixedly connected with the first spring 105, a plurality of first spring 105 close to the center of the top plate 101 one side is fixedly connected with the first lug 106, connecting plate 102 lower end close to the center of the connecting plate 102 one side is uniformly fixedly connected with a plurality of second connecting block 110, connecting plate 102 lower end away from the center of the connecting plate 102 one side is provided with a second cavity 107, a plurality of second cavity 107 away from the center of the connecting plate 102 one side is fixedly connected with the second spring 108, a plurality of second spring 108 away from the center of the connecting plate 102 one side is fixedly connected with the second lug 109, connecting plate 102 lower end is provided with mounting block 111, mounting block 111 upper end is provided with a slot 112;
[0041] The connecting plate 102 is moved downward, the first connecting block 103 and the second connecting block 110 are moved downward, the first spring 105 and the second spring 108 are contracted, and then into the slot 112, the spring releases the pressure, the first lug 106 and the second lug 109 are engaged with the slot 112, which can enhance the stability of the top plate 101, ensure that the closed part of the mold remains fixed during the injection molding process, reduce the deformation under the action of injection pressure, and avoid product defects caused by the deformation of the top plate 101.
[0042] Referring to Figure 5 、 Figure 6 Figure 7 and Figure 8 , the middle part of the inner wall of the base 3 is provided with an electric telescopic rod 201, the output end of the electric telescopic rod 201 is fixedly connected with a fixed block 203, the upper end of the fixed block 203 is uniformly fixedly connected with a third lug 204 away from the center of the fixed block 203, a plurality of third lugs 204 are provided with a bolt 205, a plurality of third cavities 206 are uniformly provided in the inner wall of the mounting block 111 away from the center of the mounting block 111, the lower end of the fixed block 203 is fixedly connected with a telescopic rod 202 on both sides, the use of the electric telescopic rod 201 makes the fixing and releasing of the top plate 101 can be realized by electric control, improves the automation degree of the mold operation, when replacing the top plate 101, the bolt 205 can be removed, the two guide rods 4 are fixedly connected with the base 3, the upper end of the two guide rods 4 is fixedly connected with a cover plate 5, the lower end of the cover plate 5 is fixedly connected with an air cylinder 6 in the middle part, which increases the overall stability of the mold structure and reduces the displacement of the mold during the injection molding process;
[0043] The plurality of first protrusions 106 and second protrusions 109 are clamped and connected with the mounting block 111, can disperse and uniformly bear the pressure on the top plate 101, thereby enhancing the stability of the entire mold structure, the plurality of first springs 105 and second springs 108 slide in the inner walls of the first cavity 104 and the second cavity 107 respectively, improve the space utilization rate inside the mold, the electric telescopic rod 201 and the two telescopic rods 202 are all penetrated through the base 3 to the outside of the base 3, the plurality of bolts 205 are all penetrated through the mounting block 111 to the inside of the third cavity 206, can provide uniform ejection force, avoid the deformation or damage of the mold due to uneven stress, the movable mold 7 is fixedly connected to the output end of the air cylinder 6, and the fixed mold groove 8 is fixedly connected to the middle of the upper end of the base 3, which can provide stable and powerful power and ensure that the mold can quickly and accurately complete the opening and closing action, the two guide rods 4 are all penetrated through the movable mold 7 to the outside of the movable mold 7, so that the movement of the movable mold 7 is more stable and vibration is reduced.
[0044] Working principle: move the connecting plate 102 downward, the first connecting block 103 and the second connecting block 110 move downward, the first spring 105 and the second spring 108 are contracted, and then enter the empty slot 112, the spring releases the pressure, the first protrusion 106 and the second protrusion 109 are clamped with the empty slot 112, which can enhance the stability of the top plate 101, ensure that the closed part of the mold remains fixed during the injection molding process, the third protrusion 204 arranged on the upper end of the fixed block 203 is located in the inside of the mounting block 111, when the top plate 101 is replaced, the bolt 205 is removed, the guide rod 4 prevents the movable mold 7 and the fixed mold groove 8 from being displaced during injection molding, the electric telescopic rod 201 is started, and the top plate 101 moves upward, and the mold after injection molding is ejected to take out the finished product.
[0045] Finally, it should be noted that: the above only describes the preferred specific embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing specific embodiments, for those skilled in the art, the technical solutions recorded in the foregoing specific embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A formwork for preventing roof fall, comprising a base (3) and a fixed die groove (8), characterized in that: The lower end of the inner wall of the fixed die groove (8) is provided with a clamping mechanism (1), and the inner wall of the base (3) is provided with a mounting mechanism (2); The clamping mechanism (1) comprises a top plate (101), which is located at the lower end of the inner wall of the fixed die groove (8), and the lower end of the top plate (101) is fixedly connected with a connecting plate (102). The lower end of the top plate (101) is uniformly fixedly connected with a first connecting block (103) away from one side of the center of the connecting plate (102). A first cavity (104) is formed in the lower end of each of the plurality of first connecting blocks (103). A first spring (105) is fixedly connected to one side of the plurality of first cavities (104) away from the center of the top plate (101). A first protruding block (106) is fixedly connected to one side of the plurality of first springs (105) close to the center of the top plate (101). A plurality of second connecting blocks (110) are uniformly fixedly connected to one side of the lower end of the connecting plate (102) close to the center of the connecting plate (102). A second cavity (107) is formed in the lower end of the connecting plate (102) away from the center of the connecting plate (102). A second spring (108) is fixedly connected to one side of the plurality of second cavities (107) away from the center of the connecting plate (102). A second protruding block (109) is fixedly connected to one side of the plurality of second springs (108) away from the center of the connecting plate (102). An installation block (111) is arranged at the lower end of the connecting plate (102), and an air slot (112) is formed in the upper end of the installation block (111).
2. The formwork of claim 1, wherein: The middle part of the inner wall of the base (3) is provided with an electric telescopic rod (201), and the output end of the electric telescopic rod (201) is fixedly connected with a fixed block (203). The upper end of the fixed block (203) is uniformly fixedly connected with a third protruding block (204) away from the center of the fixed block (203). A plurality of bolts (205) are arranged in the inner wall of the plurality of third protruding blocks (204). A third cavity (206) is uniformly formed in the inner wall of the installation block (111) away from the center of the installation block (111). The lower end of the fixed block (203) is fixedly connected with a telescopic rod (202) on both sides.
3. The formwork of claim 1, wherein: The two sides of the base (3) are fixedly connected with guide rods (4), and the upper ends of the two guide rods (4) are fixedly connected with a cover plate (5). The middle part of the lower end of the cover plate (5) is fixedly connected with an air cylinder (6).
4. The formwork of claim 1, wherein: The plurality of first protruding blocks (106) and second protruding blocks (109) are clamped and connected with the installation block (111).
5. The formwork of claim 1, wherein: The plurality of first springs (105) and second springs (108) respectively slide in the inner walls of the first cavities (104) and the second cavities (107).
6. The formwork of claim 2, wherein: The electric telescopic rod (201) and the two telescopic rods (202) all penetrate through the base (3) to the outside of the base (3), and the plurality of bolts (205) all penetrate through the installation block (111) to the inside of the third cavity (206).
7. The formwork of claim 3, wherein: The output end of the air cylinder (6) is fixedly connected with a movable die (7), and the middle part of the upper end of the base (3) is fixedly connected with a fixed die groove (8).
8. The formwork of claim 3, wherein: The upper ends of the two guide rods (4) each pass through the movable die (7) to the outside of the movable die (7).