Quick lubricating structure for plastic mould

Abstract

The utility model relates to the technical field of plastic molds, in particular to a quick lubricating structure of a plastic mold, which comprises a base, a lower mold fixedly mounted above the base, an upper mold movably mounted on the upper end face of the lower mold, and an adjusting cylinder fixedly mounted on the base below the lower mold. A guide assembly is fixedly installed on the adjusting air cylinder and comprises a connecting frame, the connecting frame is fixedly installed at the telescopic end of the top of the adjusting air cylinder, retainers are fixedly installed on the two sides of the upper end face of the connecting frame respectively, and the tops of the retainers are fixedly connected with the upper die. According to the utility model, the frictional resistance in the mold closing process is obviously reduced, the mold damage caused by the deviation of the power assisting equipment is effectively prevented, the mold closing precision and the working efficiency of the mold are improved, and the problem that the mold closing precision is not stable due to the lack of stable power assisting equipment during mold closing in the prior art is solved. Therefore, the guide lubricating structure is poor in stability and easy to damage during movement.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic mould, concretely to a plastic mould quick lubrication structure. BACKGROUND

[0002] In the process of product production by utilizing plastic mould, in order to ensure that the front mould and the rear mould can be centered accurately when closing, a guide lubrication structure is usually added, which aims to ensure that each part of the mould can be closed tightly, thereby effectively avoiding quality problems such as misplacement and flash of products, and further improving the overall quality and production efficiency of products.

[0003] After a large amount of retrieval, a guide lubrication structure of plastic mould is disclosed in CN210940276U, which comprises four square blocks and a base plate, a square guide opening is formed on the front face of each square block, a square guide rod with its bottom fixed on the top surface of the rear mould is inserted into each square guide opening, a strip plate is fixedly connected to the top of each side face of the long slot, a ball retainer ring is arranged on the front face of each strip plate and fixedly connected thereto, and a ball is installed in each ball retainer ring.

[0004] In the prior art, when the device is in use, the sliding friction between the original guide rod and the guide sleeve is changed to rolling friction by arranging balls on the four side faces of each square guide rod, so that the square guide rod does not directly contact the square guide opening, and the square guide rod and the square block will not be worn. However, when closing, due to the lack of effective jacking device, the front mould needs to be moved to the rear mould side by other power-assisted equipment, and in this process, if the power-assisted equipment deviates when pushing the front mould, the square guide rod will be damaged, which makes it difficult to close correctly. Therefore, a plastic mould quick lubrication structure is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a plastic mould quick lubrication structure, which significantly reduces the frictional resistance in the closing process, effectively prevents the damage of the mould caused by the deviation of the power-assisted equipment, and improves the closing accuracy and operation efficiency of the mould, thereby solving the problem that the stability of the guide lubrication structure is poor when moving in the prior art due to the lack of stable power-assisted equipment, and the mould is easily damaged.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a plastic mold quick lubricating structure, including base, the lower mould is fixedly installed on the top of base, the upper mould is movably installed on the upper end surface of lower mould, the adjusting cylinder is fixedly installed on the base below lower mould, the guide assembly is fixedly installed on the adjusting cylinder, the guide assembly includes connecting frame, the connecting frame is fixedly installed on the telescopic end of adjusting cylinder top, the both sides of connecting frame upper end surface are fixedly installed with retainer respectively, the retainer top is fixedly connected with upper mould.

[0007] Preferably, the support frame is fixedly installed on the outer side of the upper end surface of the base, and the top of the support frame is fixedly connected with the bottom of the lower mold.

[0008] The support frame provides additional support for the lower mold in the design, enhancing the stability of the entire mold structure and ensuring that the lower mold does not shake or displace during the mold closing process. The stable support structure helps to maintain the alignment accuracy between the upper mold and the lower mold, thereby improving the molding quality of the product.

[0009] Preferably, a shaping groove is formed in the inner side of the upper end surface of the lower mold, and a reserved hole is formed in the middle of the bottom of the shaping groove.

[0010] The design of the shaping groove allows the plastic material to be molded according to the predetermined shape, ensuring the appearance and quality of the product. The reserved hole provides a passage for the telescopic end of the adjusting cylinder, allowing the material return plate to smoothly enter the shaping groove, helping to push out the molded product and improving production efficiency.

[0011] Preferably, the cross-sectional size of the telescopic end of the adjusting cylinder top matches the aperture size of the reserved hole, the telescopic end of the adjusting cylinder top passes through the reserved hole and is fixedly installed with a material return plate, and the cross-sectional size of the material return plate matches the cross-sectional size of the shaping groove.

[0012] The telescopic end of the adjusting cylinder can accurately control the lifting of the upper mold, ensuring the accuracy of mold closing and opening. The design of the material return plate allows the molded product to be easily pushed out of the shaping groove, reducing the difficulty and time of manual operation.

[0013] Preferably, the retainer is rotatably installed with a roller inside, the outer wall of the roller is in contact with the outer wall of the lower mold and the upper mold but not fixedly connected, and a first mounting screw hole is formed in the top of the retainer.

[0014] The design of the roller greatly reduces the frictional resistance of the outer wall of the upper mold and the lower mold during mold closing, prolonging the service life of the mold. The first mounting screw hole provides a convenient interface for installing screws, making the connection between the upper mold and the retainer more secure and reliable, and facilitating disassembly and maintenance.

[0015] Preferably, the upper die upper end face is provided with a middle opening communicated with a feeding pipe, and the upper die is fixedly provided with positioning blocks on both sides, and the top of each positioning block is provided with a second mounting screw hole and a mounting screw is screwed into the second mounting screw hole.

[0016] The design of the feeding pipe enables plastic material to be conveniently injected into the shaping groove, thereby improving production efficiency.

[0017] Preferably, the bottom of the mounting screw passes through the second mounting screw hole and is screwed into the first mounting screw hole.

[0018] The threaded connection of the mounting screw with the second mounting screw hole and the first mounting screw hole ensures the firm connection between the upper die and the retainer, thereby avoiding damage of the mold due to loosening during mold closing.

[0019] Compared with the prior art, the plastic mold quick lubricating structure has the following beneficial effects:

[0020] The design of the retainer and the roller shaft greatly reduces the frictional resistance of the upper die and the lower die during mold closing.

[0021] The accurate control of the adjusting cylinder and the stable guidance of the guiding assembly ensure that the upper die and the lower die can be quickly and accurately aligned during mold closing.

[0022] In summary, the plastic mold quick lubricating structure significantly reduces the frictional resistance during mold closing, effectively prevents damage of the mold due to deviation of the assisting equipment, improves mold closing accuracy and work efficiency, and provides a more reliable and efficient solution for plastic mold production. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 FIG. 1 is a front view of the plastic mold quick lubricating structure according to the present application;

[0024] Figure 2The utility model discloses an adjusting cylinder section connection structure schematic diagram of adjusting cylinder section connection structure;

[0025] Figure 3 The utility model discloses a lower mould structure schematic diagram of lower mould structure schematic diagram;

[0026] Figure 4 The utility model discloses an upper mould structure schematic diagram of upper mould structure schematic diagram.

[0027] In the drawing: 1, base; 11, support frame; 2, adjusting cylinder; 21, material withdrawal plate; 3, guide assembly; 31, connecting frame; 32, retaining frame; 321, roller; 322, first mounting screw hole; 4, lower mould; 41, shaping groove; 411, reserved hole; 5, upper mould; 51, material injection pipe; 52, positioning block; 521, mounting screw; 522, second mounting screw hole. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of protection of the utility model.

[0029] Embodiment one

[0030] As Figure 1 , Figure 2 , Figure 3 and Figure 4 indicate, the utility model provides an embodiment: a kind of plastic mould quick lubrication structure, including base 1, lower mould 4 is fixedly installed on base 1 top, upper mould 5 is movably installed on the lower end surface of lower mould 4, adjusting cylinder 2 is fixedly installed on the base 1 below lower mould 4, guide assembly 3 is fixedly installed on adjusting cylinder 2, guide assembly 3 includes connecting frame 31, connecting frame 31 is fixedly installed on the telescopic end of adjusting cylinder 2 top, retaining frame 32 is fixedly installed on the upper end surface of connecting frame 31 respectively, and retaining frame 32 top is fixedly connected with upper mould 5.

[0031] Specifically, by equidistantly rotating and installing roller 321 in retaining frame 32, and smearing lubricant on roller 321, the frictional resistance of upper mould 5 and lower mould 4 in mould closing process is greatly reduced. This design not only prolongs the service life of mould, but also makes mould closing action more smooth, reduces energy consumption. The design of guide assembly 3, especially the combination of retaining frame 32 and roller 321, provides stable guide and support for upper mould 5, and simultaneously, the cooperation of first mounting screw hole 322 and second mounting screw hole 522 with mounting screw 521 ensures the firm connection between upper mould 5 and retaining frame 32, further enhances the stability of mould.

[0032] The precise control of the adjusting cylinder 2, combined with the stable guidance of the guide assembly 3, enables the upper mold 5 and the lower mold 4 to be quickly and accurately aligned when the mold is closed. This not only improves the molding quality of the product, but also shortens the mold closing and opening cycle, thereby improving the work efficiency. In addition, the design of the material return plate 21 enables the molded product to be easily pushed out of the shaping groove 41, further simplifying the production process.

[0033] In summary, the plastic mold quick lubrication structure of the present application significantly reduces the frictional resistance during mold closing through a series of innovative designs, effectively prevents mold damage caused by the deviation of the assisting equipment, and at the same time improves the mold closing accuracy and work efficiency, providing a more reliable and efficient solution for the production of plastic molds.

[0034] Example Two

[0035] In order to stably move the upper mold to the lower mold during the mold closing operation, as shown in Figure 1 , Figure 2 and Figure 3 , in this embodiment, a support frame 11 is fixedly installed on the outer side of the upper end face of the base 1, and the top of the support frame 11 is fixedly connected with the bottom of the lower mold 4.

[0036] The support frame 11 provides additional support for the lower mold 4 in the design, enhancing the stability of the entire mold structure and ensuring that the lower mold 4 does not shake or displace during the mold closing process. The stable support structure helps to maintain the alignment accuracy between the upper mold 5 and the lower mold 4, thereby improving the molding quality of the product.

[0037] Further, a shaping groove 41 is formed on the inner side of the upper end face of the lower mold 4, and a reserved hole 411 is formed in the middle of the bottom of the shaping groove 41.

[0038] The design of the shaping groove 41 in the design enables the plastic material to be molded according to the predetermined shape, ensuring the appearance and quality of the product. The reserved hole 411 provides a passage for the extension end of the adjusting cylinder 2, enabling the material return plate 21 to smoothly enter the shaping groove 41 and helping to push out the molded product, thereby improving the production efficiency.

[0039] Further, the cross-sectional size of the extension end of the adjusting cylinder 2 at the top matches the hole diameter size of the reserved hole 411, the extension end of the adjusting cylinder 2 at the top passes through the reserved hole 411 and is fixedly installed with the material return plate 21, and the cross-sectional size of the material return plate 21 matches the cross-sectional size of the shaping groove 41.

[0040] The design of the extension end of the adjusting cylinder 2 enables precise control of the lifting of the upper mold 5, ensuring the accuracy of mold closing and opening. The design of the material return plate 21 enables the molded product to be easily pushed out of the shaping groove 41, reducing the difficulty and time of manual operation.

[0041] Embodiment three

[0042] In order to improve the stability of the connection structure between the upper die and the guide assembly, and facilitate disassembly when damaged, as shown in Figure 2 and Figure 4 In this embodiment, the roller 321 is installed equidistantly in the retainer 32, the outer wall of the roller 321 is in contact with the outer wall of the lower die 4 and the upper die 5 but is not fixedly connected, and the first mounting screw hole 322 is formed in the top of the retainer 32.

[0043] The design of the roller 321 greatly reduces the frictional resistance of the outer wall of the upper die 5 and the lower die 4 during the closing process of the mold, prolonging the service life of the mold. The first mounting screw hole 322 provides a convenient interface for the installation screw 521, making the connection between the upper die 5 and the retainer 32 more firm and reliable, and facilitating disassembly and maintenance.

[0044] Further, the injection pipe 51 is connected to the upper end of the upper die 5, and the positioning block 52 is fixedly installed on both sides of the upper die 5, and the second mounting screw hole 522 is formed in the top of the positioning block 52 and is screwed with the installation screw 521.

[0045] The design of the injection pipe 51 makes it convenient for plastic materials to be injected into the shaping groove 41, improving production efficiency. The design of the positioning block 52 and the installation screw 521 ensures the accurate alignment between the upper die 5 and the retainer 32, avoiding damage to the mold due to misalignment.

[0046] Further, the installation screw 521 passes through the second mounting screw hole 522 and is screwed with the first mounting screw hole 322.

[0047] In the design, the installation screw 521 is screwed through the second mounting screw hole 522 and the first mounting screw hole 322, ensuring the firm connection between the upper die 5 and the retainer 32, avoiding damage to the mold due to loosening during the closing process. This connection method is convenient for disassembly and reinstallation, making the maintenance and repair of the mold more simple and convenient.

[0048] When the utility model is used, the base 1 is placed stably on the workbench, the upper die 5 is connected with the retainer 32 in the guide assembly 3 through the positioning block 52 and the installation screw 521. Ensure that the installation screw 521 passes through the second mounting screw hole 522 of the positioning block 52 and is screwed with the first mounting screw hole 322 of the retainer 32. Verify whether the upper die 5 and the lower die 4 are correctly aligned in the closed state, and whether the positional relationship between the shaping groove 41 and the injection pipe 51 is correct.

[0049] A proper amount of lubricant is applied on the rollers 321 in the retainer 32 to reduce the frictional resistance between the upper mold 5 and the lower mold 4 during the closing process. The adjusting cylinder 2 is activated to retract its telescopic end, which drives the connecting frame 31, the retainer 32 and the upper mold 5 to move downward together. When the upper mold 5 approaches the lower mold 4, the rollers 321 will roll on the outer wall of the lower mold 4, further reducing the friction and wear. The movement of the upper mold 5 continues until it is completely closed with the lower mold 4, forming a sealed molding space. Plastic material is injected into the molding groove 41 through the injection pipe 51. After waiting for the plastic material to cool and solidify, the desired plastic product is formed. The lowering function of the adjusting cylinder 2 is activated to separate the upper mold 5 from the lower mold 4, while the ejection plate 21 helps to push the molded plastic product out of the molding groove 41, and the plastic product is lowered, ready for the next round of production.

[0050] It will be apparent to those skilled in the art that the present application is not limited to the details of the above-exemplified embodiments and that the present application can be implemented in other particular forms without departing from the spirit or essential characteristics of the present application. Thus, the present application should not be considered limited by any of the foregoing description, but should be measured against the claims. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A plastic mold quick lubrication structure, comprising a base (1), a lower mold (4) fixedly installed above the base (1), an upper mold (5) movably installed on the upper end surface of the lower mold (4), an adjusting cylinder (2) fixedly installed on the base (1) below the lower mold (4), and a guide assembly (3) fixedly installed on the adjusting cylinder (2), characterized in that: the guide assembly (3) comprises a connecting frame (31) fixedly installed on the telescopic end of the top of the adjusting cylinder (2), and a retaining frame (32) fixedly installed on each side of the upper end surface of the connecting frame (31), and the top of the retaining frame (32) is fixedly connected with the upper mold (5).

2. The structure for quickly lubricating a plastic mold according to claim 1, wherein A support frame (11) is fixedly installed on the outer side of the upper end surface of the base (1), and the top of the support frame (11) is fixedly connected with the bottom of the lower mold (4).

3. The structure for quickly lubricating a plastic mold according to claim 1, wherein A shaping groove (41) is formed in the inner side of the upper end surface of the lower mold (4), and a reserved hole (411) is formed in the bottom of the shaping groove (41).

4. The structure for quickly lubricating a plastic mold according to claim 1, wherein The cross-sectional dimension of the telescopic end of the top of the adjusting cylinder (2) matches the aperture dimension of the reserved hole (411), the telescopic end of the top of the adjusting cylinder (2) passes through the reserved hole (411) and is fixedly installed with a material return plate (21), and the cross-sectional dimension of the material return plate (21) matches the cross-sectional dimension of the shaping groove (41).

5. The structure for quickly lubricating a plastic mold according to claim 1, wherein Rolling shafts (321) are equidistantly rotatably installed in the retaining frame (32), the outer walls of the rolling shafts (321) are in contact with but not fixedly connected with the outer walls of the lower mold (4) and the upper mold (5), and first mounting screw holes (322) are formed in the top of the retaining frame (32).

6. The structure for quickly lubricating a plastic mold according to claim 1, wherein A material injection pipe (51) is installed in the upper end surface of the upper mold (5) through a hole formed in the upper end surface of the upper mold (5), positioning blocks (52) are fixedly installed on both sides of the upper mold (5), and second mounting screw holes (522) are formed in the top of the positioning blocks (52) and are threadedly installed with mounting screws (521).

7. The structure for quickly lubricating a plastic mold according to claim 6, wherein The bottom of the mounting screw (521) passes through the second mounting screw hole (522) and is threadedly connected with the first mounting screw hole (322).

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