Stable mounting structure for tiebar of injection molding machine

Abstract

The utility model relates to the technical field of tiebar installation, in particular to a stable installation structure of a tiebar of an injection molding machine, which comprises an installation plate, a fixing hole is arranged in the installation plate, a cushion block groove is arranged on the surface of the fixing hole, and a sealing gasket is movably connected on the surface of the cushion block groove. The stable mounting structure of the tiebar of the injection molding machine has the beneficial effects that the fixing hole and the cushion block groove are formed in the mounting plate, and then the surface of the tiebar penetrates through the fixing hole and the cushion block groove, so that the tiebar is stably mounted on the surface of the mounting plate, and the surface of the sealing gasket is movably connected with the surface of the cushion block groove, so that the tiebar is stably mounted on the surface of the mounting plate. The sealing gasket is arranged on the surface of the tiebar in a sleeving mode, and after the tiebar is inserted into the fixing hole, lubricating oil stored in the oil storage cavity is squeezed to the surface of the tiebar through the oil discharge hole, so that the surface of the tiebar can be lubricated, and the phenomenon that when the tiebar is detached, the tiebar is disengaged from the fixing hole, and the clamping effect occurs is avoided.

Description

Technical Field

[0001] This utility model relates to the field of tie bar installation technology, specifically a stable installation structure for tie bars in injection molding machines. Background Technology

[0002] Tie columns are rod-shaped components installed on mechanical equipment to provide traction. In the clamping mechanism of injection molding machines, tie columns must withstand significant clamping forces to ensure reliable mold closing. Otherwise, the products processed by the mold will be substandard. In the field of injection molding machines, tie columns are key components, and their stability and installation firmness are directly related to the overall performance of the injection molding machine and the quality of the injection molded parts.

[0003] However, existing tie rod mounting structures often suffer from problems such as unstable installation, difficulty in disassembly, and breakage due to vibration. Specifically, the mounting structure may rely solely on simple bolts or nuts to fix the tie rod to the mounting plate. During long-term use, this fixing method can easily cause the tie rod to loosen or shift due to the vibration and impact force during the operation of the injection molding machine, thereby affecting the accuracy and stability of the injection molding machine.

[0004] Therefore, a stable installation structure for the gatepost of an injection molding machine is proposed to address the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a stable installation structure for the gatepost of an injection molding machine, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a stable installation structure for a gatepost of an injection molding machine, comprising:

[0007] The mounting plate has a fixing hole inside, and a pad groove is formed on the surface of the fixing hole. A sealing gasket is movably connected to the surface of the pad groove. The inner ring of the sealing gasket is fitted onto the surface of the tie bar, and the surface of the tie bar is inserted into the fixing hole and the pad groove.

[0008] The sealing gasket has an oil storage chamber inside, an oil injection hole on its surface, and an oil drain hole on its inner ring surface. The oil storage chamber, the oil injection hole, and the oil drain hole are interconnected.

[0009] Preferably, the outer radius of the sealing gasket is equal to the radius of the gasket groove, and the inner ring of the sealing gasket has multiple sets of oil drain holes, which are arranged in a ring array along the central axis of the sealing gasket.

[0010] Preferably, a washer is movably connected to the surface of the fixing hole, the inner ring of the washer is fitted onto the surface of the tie post, the surface of the tie post passes through the positioning plate, an annular groove is formed on the surface of the washer, a retaining ring is inserted into the annular groove, the retaining ring is integrally formed into the surface of the positioning plate, the inner ring of the positioning plate is fitted onto the surface of the tie post, the surface of the positioning plate is movably connected into the fixing hole, a positioning rod is fixedly connected to the surface of the positioning plate, the surface of the positioning rod is inserted into the positioning hole, the positioning hole is formed in the pressing plate, the pressing plate is fitted onto the surface of the tie post, the surface of the pressing plate is in close contact with the surface of the fastening nut, and the inner ring of the fastening nut is screwed onto the threaded surface of the tie post.

[0011] Preferably, the gasket has an oil reservoir inside, a through hole on the inner ring surface, and an oil injection hole on the surface of the gasket, with the oil reservoir and the through hole communicating with each other.

[0012] Preferably, the radius of the positioning rod is equal to the radius of the positioning hole, the length of the positioning rod is equal to the depth of the positioning hole, and the positioning rod is configured in four groups, with the four groups of positioning rods arranged in a circular array along the central axis of the positioning disk.

[0013] Preferably, the edge surface of the pressing plate is provided with a snap-fit ​​groove, which is arranged in an annular shape.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: By opening fixing holes and pad grooves inside the mounting plate, and then passing the surface of the tie rod through the fixing holes and pad grooves, the tie rod is stably installed on the surface of the mounting plate. The surface of the stabilizing ring is inserted into the annular groove of the washer, thus making the connection between the positioning plate and the washer stable. When the washer and positioning plate are fitted on the surface of the tie rod, the washer and positioning plate are movably connected to the surface of the fixing hole, increasing the stability of the fixing hole on the surface of the mounting plate. The surface of the positioning rod is inserted into the positioning hole, thus the pressing plate is stably installed and positioned on the surface of the positioning plate. When the knob tightens the nut, it squeezes the pressing plate, preventing the surface of the tie rod from shifting within the fixing hole. The tighter the knob tightens the pressing plate, the greater the tension of the washer in the fixing hole. Therefore, the vibration phenomenon occurs when the injection molded part moves on the surface of the tie rod, preventing the tie rod from breaking due to vibration and thus extending its service life.

[0015] This utility model proposes a stable installation structure for the gatepost of an injection molding machine. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a cross-sectional view of the structure of this utility model;

[0018] Figure 3This is a cross-sectional view of the mounting plate of this utility model.

[0019] Figure 4 This is a schematic diagram showing the positional relationship between the fastening nut and the sealing gasket;

[0020] Figure 5 This is a schematic diagram showing the positional relationship between the pressing plate and the sealing gasket;

[0021] Figure 6 for Figure 2 Enlarged diagram of point A in the middle.

[0022] In the diagram: 1. Mounting plate; 2. Fixing hole; 3. Guiding post; 4. Pressing plate; 5. Fastening nut; 6. Pad groove; 7. Sealing gasket; 8. Oil reservoir; 9. Oil injection hole; 10. Oil drain hole; 11. Washer; 12. Oil storage tank; 13. Positioning plate; 14. Through hole; 15. Stabilizing ring; 16. Positioning rod; 17. Positioning hole; 18. Clip groove. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0024] Example 1, please refer to Figures 1-6 This utility model provides three technical solutions: a stable installation structure for the gatepost of an injection molding machine, comprising:

[0025] Mounting plate 1, the mounting plate 1 has a fixing hole 2 inside, the surface of the fixing hole 2 has a pad groove 6, the surface of the pad groove 6 is movably connected to a sealing gasket 7, the inner ring of the sealing gasket 7 is fitted on the surface of the tie bar 3, and the surface of the tie bar 3 is inserted into the fixing hole 2 and the pad groove 6.

[0026] The sealing gasket 7 has an oil storage cavity 8 inside, an oil injection hole 9 on the surface of the sealing gasket 7, and an oil drain hole 10 on the inner ring surface of the sealing gasket 7. The oil storage cavity 8, the oil injection hole 9 and the oil drain hole 10 are connected to each other.

[0027] By opening a fixing hole 2 and a pad groove 6 inside the mounting plate 1, and then passing the surface of the tie rod 3 through the fixing hole 2 and the pad groove 6, the tie rod 3 is securely installed on the surface of the mounting plate 1. By movably connecting the surface of the sealing gasket 7 to the surface of the pad groove 6, and then fitting the sealing gasket 7 onto the surface of the tie rod 3, when the tie rod 3 is inserted into the fixing hole 2, the lubricating oil stored in the oil reservoir 8 is squeezed to the surface of the tie rod 3 through the oil drain hole 10, thus lubricating the surface of the tie rod 3 and preventing it from getting stuck when disassembling the tie rod 3 from the fixing hole 2.

[0028] Example 2, see attached document Figures 1 to 6 Based on Embodiment 1, in order to prevent the surface of the tie bar 3 from shifting within the fixing hole 2, a washer 11 is movably connected to the surface of the fixing hole 2. The inner ring of the washer 11 is fitted onto the surface of the tie bar 3, and the surface of the tie bar 3 passes through the positioning plate 13. An annular groove is formed on the surface of the washer 11, and a retaining ring 15 is inserted into the annular groove. The retaining ring 15 is integrally formed onto the surface of the positioning plate 13. The inner ring of the positioning plate 13 is fitted onto the surface of the tie bar 3, and the surface of the positioning plate 13 is movably connected to the fixing hole 2. A positioning rod 16 is fixedly connected to the surface of the positioning plate 13, and the surface of the positioning rod 16 is inserted into the positioning hole 17. The positioning hole 17 is formed within the pressing plate 4, and the pressing plate 4 is fitted onto the surface of the tie bar 3. The surface of the pressing plate 4 is in close contact with the surface of the fastening nut 5, and the inner ring of the fastening nut 5 is screwed onto the threaded surface of the tie bar 3.

[0029] The surface of the stabilizing ring 15 is inserted into the annular groove of the washer 11, thereby making the connection between the positioning plate 13 and the washer 11 stable. When the washer 11 and the positioning plate 13 are fitted onto the surface of the guide post 3, the washer 11 and the positioning plate 13 are movably connected to the surface of the fixing hole 2, increasing the stability of the fixing hole 2 on the surface of the mounting plate 1. The surface of the positioning rod 16 is inserted into the positioning hole 17, thereby making the pressing plate 4 stably installed and positioned on the surface of the positioning plate 13. When the knob tightens the nut 5, it presses the pressing plate 4 to prevent the surface of the guide post 3 from shifting within the fixing hole 2.

[0030] Example 3, refer to Appendix Figures 1 to 6 Based on Embodiment 2, in order to prevent the guide column 3 from breaking due to vibration and thus extend its service life, an oil storage chamber 12 is provided inside the gasket 11, a through hole 14 is provided on the inner ring surface of the gasket 11, and an oil injection hole is provided on the surface of the gasket 11. The oil storage chamber 12 and the through hole 14 are connected.

[0031] By turning the knob of the fastening nut 5 onto the threaded surface of the gatepost 3, the fastening nut 5 presses against the surface of the pressing plate 4, thereby causing the lubricating oil in the oil reservoir 12 to be discharged to the surface of the gatepost 3 through the through hole 14. The tighter the knob of the fastening nut 5 compresses the surface of the pressing plate 4, the greater the tension of the washer 11 in the fixing hole 2 is compressed. Therefore, the vibration phenomenon occurs when the injection molded part moves on the surface of the gatepost 3, preventing the gatepost 3 from breaking due to vibration and thus extending its service life.

[0032] In actual use, a fixing hole 2 and a pad groove 6 are made inside the mounting plate 1. The surface of the tie rod 3 passes through the fixing hole 2 and the pad groove 6, so that the tie rod 3 is firmly installed on the surface of the mounting plate 1. The surface of the sealing gasket 7 is movably connected to the surface of the pad groove 6, and then the sealing gasket 7 is fitted onto the surface of the tie rod 3. When the tie rod 3 is inserted into the fixing hole 2, the lubricating oil stored in the oil reservoir 8 is squeezed to the surface of the tie rod 3 through the oil drain hole 10, thus lubricating the surface of the tie rod 3 and preventing jamming when the tie rod 3 is disassembled from the fixing hole 2. The surface of the retaining ring 15 is inserted into the annular groove of the washer 11, so that the connection between the positioning plate 13 and the washer 11 is firm. When the washer 11 and the positioning plate 13 are fitted onto the surface of the tie rod 3, the washer 11 and the positioning plate 13 are firmly connected. The surface of the movable connection between the disc 13 and the fixing hole 2 increases the stability of the fixing hole 2 on the surface of the mounting plate 1. The surface of the positioning rod 16 is inserted into the positioning hole 17, thereby pressing the disc 4 and fixing it securely on the surface of the positioning disc 13. When the knob tightens the nut 5, it presses the disc 4 to prevent the surface of the tie rod 3 from shifting within the fixing hole 2. By turning the knob of the tightening nut 5 on the threaded surface of the tie rod 3, the tightening nut 5 presses the surface of the disc 4, thereby allowing the lubricating oil in the oil reservoir 12 to be discharged to the surface of the tie rod 3 through the through hole 14. The tighter the knob tightens the nut 5, the more the washer 11 in the fixing hole 2 is compressed and the greater the tension. Therefore, the vibration phenomenon occurs when the injection molded part moves on the surface of the tie rod 3, preventing the tie rod 3 from breaking due to vibration and thus extending its service life.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A stable mounting structure for a gatepost of an injection molding machine, characterized in that, include: Mounting plate (1), the mounting plate (1) has a fixing hole (2) inside, a pad groove (6) is provided on the surface of the fixing hole (2), a sealing gasket (7) is movably connected to the surface of the pad groove (6), the inner ring of the sealing gasket (7) is sleeved on the surface of the goring post (3), and the surface of the goring post (3) is inserted into the fixing hole (2) and the pad groove (6); The sealing gasket (7) has an oil storage cavity (8) inside, an oil injection hole (9) on the surface of the sealing gasket (7), and an oil drain hole (10) on the inner ring surface of the sealing gasket (7). The oil storage cavity (8), the oil injection hole (9) and the oil drain hole (10) are connected to each other.

2. The stable installation structure of the injection molding machine tie rod according to claim 1, characterized in that: The outer radius of the sealing gasket (7) is equal to the radius of the gasket groove (6). Multiple sets of oil drain holes (10) are provided in the inner ring of the sealing gasket (7), and the multiple sets of oil drain holes (10) are arranged in a ring array along the central axis of the sealing gasket (7).

3. The stable installation structure of the injection molding machine tie rod according to claim 1, characterized in that: A washer (11) is movably connected to the surface of the fixing hole (2). The inner ring of the washer (11) is fitted onto the surface of the gatepost (3). The surface of the gatepost (3) passes through the positioning plate (13). An annular groove is provided on the surface of the washer (11). A retaining ring (15) is inserted into the annular groove. The retaining ring (15) is integrally formed onto the surface of the positioning plate (13). The inner ring of the positioning plate (13) is fitted onto the surface of the gatepost (3). The surface of the positioning plate (13) is movably connected into the fixing hole (2). A positioning rod (16) is fixedly connected to the surface of the positioning plate (13). The surface of the positioning rod (16) is inserted into the positioning hole (17). The positioning hole (17) is opened into the pressing plate (4). The pressing plate (4) is fitted onto the surface of the gatepost (3). The surface of the pressing plate (4) is in close contact with the surface of the fastening nut (5). The inner ring of the fastening nut (5) is screwed onto the threaded surface of the gatepost (3).

4. The stable installation structure of the injection molding machine tie rod according to claim 3, characterized in that: The gasket (11) has an oil reservoir (12) inside, a through hole (14) on the inner ring surface of the gasket (11), and an oil injection hole on the surface of the gasket (11). The oil reservoir (12) and the through hole (14) are connected.

5. The stable installation structure of the injection molding machine tie rod according to claim 3, characterized in that: The radius of the positioning rod (16) is equal to the radius of the positioning hole (17), and the length of the positioning rod (16) is equal to the depth of the positioning hole (17). The positioning rod (16) is set in four groups, and the four groups of positioning rods (16) are arranged in a circular array along the central axis of the positioning disk (13).

6. The stable installation structure of the injection molding machine tie rod according to claim 3, characterized in that: The edge surface of the pressing plate (4) is provided with a snap-in groove (18), which is an annular groove.

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