Module locking mechanism of injection molding machine

Abstract

The invention discloses a module locking mechanism of an injection molding machine. The module locking mechanism mainly comprises a tail plate assembly, a middle plate assembly, a head plate assembly and a connecting column, the structure is compact and stable, all assemblies are reasonably arranged, space is fully utilized, the connecting columns are connected with the tail plate and the head plate assembly, and a stable frame is provided for middle plate lifting. Functional parts are efficient and reliable, the middle plate assembly and the high-pressure cylinder part are tightly combined, objects can be accurately compressed, and stable pressure and efficient power transmission are ensured through the connecting piece and the air cylinder. Safety protection is in place, a limiting plate is arranged on a cohesion set of the tail plate assembly to prevent the tail plate assembly from falling off, and a telescopic cylinder set improves the stability and safety of lifting of the middle plate. The mechanism is high in adaptability, simple in structure and complete in function, can adapt to injection molding tasks of different specifications and types, and can adjust the mold closing force to meet diversified requirements. The whole injection molding precision and quality are improved, safety of operators and equipment is guaranteed, powerful guarantee is provided for efficient operation and high-quality injection molding of the small injection molding machine, and the requirement of the market for continuous development of the small injection molding machine is met.

Description

Technical Field

[0001] The invention belongs to the field of injection molding machine parts, and in particular relates to a locking die set mechanism for an injection molding machine. Background Art

[0002] In today's plastic processing field, injection molding machines, as a vital equipment, play an indispensable role in many production links. With the rapid advancement of science and technology and the continuous evolution of market demand, the performance requirements for injection molding machines are also showing an increasing trend. The traditional injection molding machine clamping mechanism has gradually exposed many disadvantages in practical applications. On the one hand, its structure is usually more complicated and consists of many mechanical parts and transmission mechanisms, which not only makes the manufacturing cost of the equipment high, but also prone to failure during operation. On the other hand, the problem of difficult to maintain template parallelism for a long time and easy to reduce precision seriously affects the quality and consistency of injection molded products. In some application scenarios of small injection molding machines, due to the large space restrictions, it is impossible to accommodate overly large and complex mechanisms. At the same time, for cost considerations, the compactness and economy of the equipment are required to be higher. Therefore, the market urgently needs a clamping group mechanism with simple structure and reliable performance to meet the special needs of small injection molding machines.

[0003] At the same time, in the actual production process, the mold is the core component of the injection molding process, and its value is self-evident. Effective protection of the mold is crucial, and the low-pressure mold clamping function can play a key role in the mold clamping process, effectively reducing the risk of damage to the mold due to excessive pressure. In addition, with the continuous improvement of environmental awareness and the strict requirements of some specific industries on the production environment, the injection molding machine clamping mechanism suitable for clean environment has become an urgent need in the market. Summary of the invention

[0004] The purpose of the present invention is to provide a locking die set mechanism for an injection molding machine, aiming to solve the problems existing in the above-mentioned background technology. To achieve the above-mentioned purpose, the technical solution adopted by the present invention is:

[0005] A locking die assembly mechanism for an injection molding machine comprises a tail plate assembly, a middle plate assembly, a head plate assembly and connecting columns, wherein connecting columns are arranged at corners of the tail plate assembly, a head plate assembly is arranged at the head of the connecting column, the middle plate assembly is arranged between the tail plate assembly and the head plate assembly, the middle plate assembly is lifted and lowered between the tail plate assembly and the head plate assembly, and the middle plate assembly is used to compress objects.

[0006] Preferably, the tail plate assembly includes a locking tail plate, a coupling, an engaging group, a bottom plate and a limit plate. A plurality of couplings are arranged at the corners of the locking tail plate. The couplings are connected to the connecting columns. The engaging group is installed on the left and right sides of the locking tail plate through the bottom plate. The front and rear sides of the bottom plate are installed with limit plates. The limit plates are used to limit the engaging group and prevent it from falling out.

[0007] Preferably, the middle plate assembly includes a mold locking middle plate, a high-pressure cylinder component and a connecting piece, and the high-pressure cylinder component is installed on the bottom of the mold locking middle plate through the connecting piece.

[0008] Preferably, the connecting part includes a screw, a mounting part, a hexagonal nut and a spring washer. A plurality of screws are installed at the bottom of the locking middle plate, a plurality of nuts are installed at the tail of the screw, a mounting part is arranged between the screw and the hexagonal nut, the mounting part is used to fix the high-pressure cylinder component, and a spring washer is arranged between the screw and the hexagonal nut, the spring washer is used to release force.

[0009] Preferably, a cylinder mounting plate is installed inside the clamping middle plate.

[0010] Preferably, a cylinder is installed on the cylinder mounting plate, and the cylinder passes through the clamping middle plate and is connected to the cylinder mounting plate.

[0011] Preferably, telescopic cylinder groups are provided on the left and right sides of the head plate assembly, and the cylinder shafts of the telescopic cylinder groups are fixed to the top of the clamping middle plate through nuts.

[0012] Beneficial effects of the present invention:

[0013] Compact and stable structure: The overall structure consisting of the tail plate assembly, middle plate assembly, head plate assembly and connecting column has a reasonable layout and makes full use of space, which is especially suitable for the use of small injection molding machines. The connecting column connects the tail plate assembly and the head plate assembly, providing a stable framework for the lifting and lowering activities of the middle plate assembly, ensuring that the entire mechanism remains stable during operation, and improving the precision and quality of injection molding; the coupling in the tail plate assembly connects the clamping tail plate to the connecting column, and the connection is firm and reliable, which can withstand the pressure and impact force during the injection molding process, ensuring the stability and durability of the mechanism.

[0014] Functional components are efficient and reliable: The design of the middle plate assembly makes the compression of objects more accurate and efficient. The clamping middle plate and the high-pressure cylinder components are tightly combined through connectors, which can provide stable pressure during the injection molding process, ensure that the objects are fully compressed, and improve the density and quality of the product; the screws, mounting parts, hexagonal nuts and spring washers in the connectors cooperate with each other, which can not only firmly fix the high-pressure cylinder components, but also play a role in releasing force through the spring washers, preventing excessive pressure from causing damage to the mechanism, thereby improving the safety and reliability of the mechanism; the cylinder mounting plate inside the clamping middle plate and the cylinder installed on it provide power support for the movement of the middle plate assembly. The through-connection method of the cylinder makes the power transmission more direct and effective, and improves the lifting speed and accuracy of the middle plate assembly.

[0015] Safety protection is in place: the clamping group in the tail plate assembly is installed on the clamping tail plate through the bottom plate, and is limited by the limit plate to prevent the clamping group from falling out. This design effectively improves the safety of the mechanism, avoids unexpected situations during operation, and protects the safety of operators and equipment; the cylinder shaft of the telescopic cylinder group is fixed to the top of the clamping middle plate through a nut, providing additional support and stability for the lifting of the middle plate assembly, and also increasing the safety and reliability of the mechanism.

[0016] Strong adaptability: The design of this mechanism takes into account the characteristics and needs of small injection molding machines. It has a simple structure but complete functions and can adapt to injection molding tasks of different specifications and types. It can show good performance whether it is the injection molding of small parts or the compression of objects with complex shapes. The adjustable clamping force allows the mechanism to be adjusted according to different injection molding needs, which improves the versatility and flexibility of the equipment and meets the market's demand for diversified small injection molding machines. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 An overall schematic diagram provided for an embodiment of the present invention;

[0018] Figure 2 A schematic diagram of the overall structure provided by an embodiment of the present invention;

[0019] Figure 3 A schematic diagram of the structure of a tail assembly provided in an embodiment of the present invention;

[0020] Figure 4 It is a schematic diagram of the structure of the middle plate assembly according to an embodiment of the present invention.

[0021] Figure 5 Schematic diagram of the connector structure according to an embodiment of the present invention.

[0022] Among them, the reference numerals in the figure are:

[0023] 1. Tail plate assembly; 11. Locking tail plate; 12. Coupling; 13. Clamping group; 14. Bottom plate; 15. Limiting plate; 2. Middle plate assembly; 21. Locking middle plate; 22. High-pressure cylinder component; 23. Connecting piece; 231. Screw; 232. Mounting piece; 233. Hexagonal nut; 234. Spring washer; 3. Head plate assembly; 4. Connecting column; 5. Cylinder mounting plate; 6. Cylinder; 7. Telescopic cylinder group. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly understood.

[0025] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may also be a centered element. When an element is considered to be "connected" to another element, it may be directly connected to the other element or there may be a centered element at the same time. On the contrary, when an element is referred to as being "directly on" another element, there is no intermediate element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method. The terms "upper end", "lower end", "left side", "right side", "front end", "rear end" and similar expressions used herein are positional relationships with reference to the accompanying drawings.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0027] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0028] like Figures 1 to 5 As shown, an embodiment of the present invention provides a locking mold assembly mechanism for an injection molding machine, including a tail plate assembly 1, a middle plate assembly 2, a head plate assembly 3 and connecting columns 4, the corners of the tail assembly are provided with connecting columns 4, the heads of the connecting columns 4 are provided with the head plate assembly 3, the middle plate assembly 2 is provided between the tail plate assembly 1 and the head plate assembly 3, the middle plate assembly 2 is lifted and lowered between the tail plate and the head plate assembly 3, and the middle plate assembly 2 is used to compress objects.

[0029] In the embodiment, the tail plate assembly 1 includes a locking tail plate 11, a coupling 12, an embracing group 13, a bottom plate 14 and a limit plate 15. A plurality of couplings 12 are arranged at the corners of the locking tail plate 11. The coupling 12 is connected to the connecting column 4. The embracing group 13 is installed on the left and right sides of the locking tail plate 11 through the bottom plate 14. The front and rear sides of the bottom plate 14 are installed with limit plates 15. The limit plates 15 are used to limit the embracing group 13 to prevent the embracing group 13 from falling out.

[0030] In the embodiment, the middle plate assembly 2 includes a clamping middle plate 21 , a high-pressure cylinder component 22 and a connecting piece 23 , and the high-pressure cylinder component 22 is installed at the bottom of the clamping middle plate 21 through the connecting piece 23 .

[0031] In the embodiment, the connecting member 23 includes a screw rod 231, a mounting member 232, a hexagonal nut 233 and a spring washer 234. A plurality of screw rods 231 are installed at the bottom of the locking middle plate 21, a plurality of hexagonal nuts 233 are installed at the tail of the screw rod 231, a mounting member 232 is arranged between the screw rod 231 and the nut, the mounting member 232 is used to fix the high-pressure cylinder component 22, and a spring washer 234 is arranged between the screw rod 231 and the hexagonal nut 233, and the spring washer 234 is used to release force.

[0032] In the embodiment, a cylinder mounting plate 5 is installed inside the clamping middle plate 21 .

[0033] In the embodiment, a cylinder 6 is installed on the cylinder mounting plate 5 , and the cylinder 6 passes through the clamping middle plate 21 and is connected to the cylinder mounting plate 5 .

[0034] In the embodiment, telescopic cylinder groups 7 are provided on the left and right sides of the head plate assembly 3 , and the cylinder shafts of the telescopic cylinder groups 7 are fixed to the top of the clamping middle plate 21 through nuts.

[0035] How it works

[0036] Overall structure operation

[0037] The tail plate assembly is connected to the connecting column through the coupling at the corner, the head plate assembly is installed on the head of the connecting column, and the middle plate assembly is arranged between the tail plate assembly and the head plate assembly. When working, the middle plate assembly is lifted and lowered between the tail plate assembly and the head plate assembly to realize the compression function of the objects.

[0038] Tailgate assembly work

[0039] The clamping tail plate is the main body of the tail plate assembly, and is firmly connected to the connecting column through a coupling to ensure the stability of the entire mechanism. The clamping group is installed on the left and right sides of the clamping tail plate through the bottom plate. The limit plates on the front and back sides of the bottom plate limit the clamping group to prevent it from falling out during operation. The clamping group may play an auxiliary fixing or specific clamping function during the injection molding process.

[0040] Mid-panel assembly work

[0041] Connection between high pressure cylinder parts and clamping plate

[0042] The high-pressure cylinder components are installed at the bottom of the clamping plate through the connector. The multiple screws at the bottom of the clamping plate cooperate with the mounting parts and hexagonal nuts. The mounting parts are used to fix the high-pressure cylinder components. The spring washers between the screws and the hexagonal nuts play a force release role to prevent the excessive pressure generated by the high-pressure cylinder from causing damage to the mechanism when it is working.

[0043] Cylinder powered

[0044] The cylinder mounting plate inside the clamping middle plate is equipped with a cylinder, which penetrates the clamping middle plate and is connected to the cylinder mounting plate. The cylinder provides power for the lifting and lowering of the middle plate assembly, so that the middle plate assembly can perform precise lifting and lowering movements between the tail plate and the head plate assembly, thereby compressing the object.

[0045] Telescopic cylinder auxiliary

[0046] The telescopic cylinders on the left and right sides of the clamping head plate have their cylinder shafts fixed to the top of the clamping middle plate through nuts. During operation, the telescopic cylinders can provide additional support for the lifting of the middle plate assembly, ensuring the stability and accuracy of the middle plate assembly during the lifting process.

[0047] The above implementation modes are only used to illustrate the present invention, but not to limit the present invention. Ordinary technicians in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions also belong to the scope of the present invention. The patent protection scope of the present invention should be defined by the claims.

Claims

1. A mold locking mechanism for an injection molding machine, characterized in that: It includes a tail plate assembly, a middle plate assembly, a head plate assembly and connecting columns. The connecting columns are arranged at the corners of the tail assembly, the head plate assembly is arranged at the head of the connecting column, the middle plate assembly is arranged between the tail plate assembly and the head plate assembly, the middle plate assembly is lifted and lowered between the tail plate and the head plate assembly, and the middle plate assembly is used to compress objects.

2. The mold locking mechanism for an injection molding machine according to claim 1, characterized in that: The tail plate assembly includes a locking tail plate, a coupling, an embracing group, a bottom plate and a limit plate. A plurality of couplings are arranged at the corners of the locking tail plate. The coupling is connected to the connecting column. The embracing group is installed on the left and right sides of the locking tail plate through the bottom plate. The limit plates are installed on the front and rear sides of the bottom plate. The limit plates are used to limit the embracing group and prevent it from falling out.

3. The mold locking mechanism for an injection molding machine according to claim 2, characterized in that: The middle plate assembly comprises a mold locking middle plate, a high pressure cylinder component and a connecting piece, and the high pressure cylinder component is installed on the bottom of the mold locking middle plate through the connecting piece.

4. The mold locking mechanism for an injection molding machine according to claim 3, characterized in that: The connecting part includes a screw rod, a mounting part, a hexagonal nut and a spring washer. A plurality of the screw rods are installed at the bottom of the locking mold middle plate, a plurality of nuts are installed at the tail of the screw rod, the mounting part is arranged between the screw rod and the hexagonal nut, the mounting part is used to fix the high-pressure cylinder component, and a spring washer is arranged between the screw rod and the hexagonal nut, the spring washer is used to release force.

5. The mold locking mechanism for an injection molding machine according to claim 4, characterized in that: The cylinder mounting plate is installed inside the clamping middle plate.

6. The mold locking mechanism for an injection molding machine according to claim 5, characterized in that: The cylinder mounting plate is provided with a cylinder, and the cylinder passes through the clamping middle plate and is connected to the cylinder mounting plate.

7. The mold locking mechanism for an injection molding machine according to claim 5 or 6, characterized in that: Telescopic cylinder groups are arranged on the left and right sides of the head plate assembly, and the cylinder shafts of the telescopic cylinder groups are fixed to the top of the clamping middle plate through nuts.

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