Injection mold
By designing structures such as sealing rings and spiral oil grooves in the injection mold, the problem of insufficient lubricating oil between the guide column and the guide sleeve is solved, long-term use and uniform application of lubricating oil are achieved, and the practicality of the injection mold is improved.
Patent Information
- Application Number
- CN202420355271.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-27
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-02-27
AI Technical Summary
The lack of an oil locking mechanism between the guide column and the guide sleeve of a conventional injection mold and the insufficient lubricating oil capacity, resulting in the need to frequently add lubricating oil.
An injection mold including a guide sleeve, sleeve, mounting ring and sealing ring is designed. The sealing ring is slidly sealed at the outer end of the guide column. A spiral oil groove is provided in the sleeve to increase the lubricating oil capacity, and passes through the sealing ring and leather ring. and oil scraping rings reduce lubricant loss rate.
It effectively reduces the loss rate of lubricating oil, improves the durability and uniformity of the lubricating state, reduces the filling frequency of lubricating oil, and improves the practicality of the injection mold.
Smart Images
Figure CN222135768U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of injection molds, and particularly relates to an injection mold. Background Art
[0002] Step-by-step core pulling requires the use of injection mold molding. Injection mold is a tool for producing plastic products; it is also a tool that gives plastic products a complete structure and precise size.
[0003] Since conventional injection molds lack an oil locking mechanism between the guide sleeve and the guide pin, and the lubricating oil capacity between the guide sleeve and the guide pin is relatively low, it is necessary to frequently add lubricating oil between the guide pin and the guide sleeve of conventional injection molds.
[0004] Therefore, we propose an injection mold to solve the above problems. Utility Model Content
[0005] The utility model aims to solve the problem that lubricating oil needs to be frequently added between the guide pin and the guide sleeve of the conventional injection mold, and provides an injection mold.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] An injection mold includes a mold body, a guide column and a guide sleeve, wherein the guide sleeve includes a sleeve body, a mounting ring and a sealing ring, wherein the mounting ring is respectively arranged at the upper end and the lower end of the guide sleeve, wherein the mounting ring is fixedly connected to the sleeve body, wherein the sealing ring is slidably sealed at the outer end of the guide column, and wherein the sealing ring is fixedly installed at the inner end of the mounting ring. Lubricating oil is filled in the space between the sealing ring, the sleeve body and the guide column, and during the sliding process of the guide sleeve, the sealing ring is used to seal the lubricating oil in the sleeve body, thereby reducing the loss rate of the lubricating oil and improving the durability of the lubricating state, thereby reducing the frequency of filling the lubricating oil and improving the practicality.
[0008] Preferably, the sleeve body includes a sleeve shell, and a spiral oil groove is provided at the inner end of the sleeve shell. The spiral oil groove is used to increase the lubricating oil capacity of the sleeve body, further improving lubrication durability, and at the same time, the spiral oil groove is used to increase the application range between the guide pin and the sleeve shell, improving the uniformity of lubricating oil application.
[0009] Preferably, the mounting ring comprises a ring body, and the ring body is fixedly connected to the casing, so that the mounting ring and the sealing ring can be conveniently butted and installed via the ring body.
[0010] Preferably, an annular groove is provided at the inner end of the ring body, and the sealing ring is clamped by the annular groove to increase the stability of the mounting ring and the sealing ring after docking.
[0011] Preferably, the sealing ring comprises a sealing ring body, which is installed in the ring body, and the sealing ring body is sealingly slidably sleeved on the guide column. The sealing ring body is sealed on the guide column to increase the oil locking rate.
[0012] Preferably, the sealing ring further comprises a leather ring, which is fixedly connected to the outer end of the sealing ring body, and the sealing ring body and the leather ring are an integral structure. The leather ring is buckled on the inner end of the annular groove to increase the stability of the sealing ring after docking with the mounting ring.
[0013] Preferably, the sealing ring further comprises an oil scraper ring, which is fixedly connected to the sealing ring body as a whole. The oil scraper ring is used to scrape oil along the guide column to further reduce the loss rate of lubricating oil.
[0014] In summary, the technical effects and advantages of the utility model are as follows:
[0015] 1. Fill the lubricating oil in the space between the sealing ring, the sleeve and the guide column. During the sliding process of the guide sleeve, the sealing ring is used to seal the lubricating oil in the sleeve, which reduces the loss rate of the lubricating oil and improves the durability of the lubricating state, thereby reducing the frequency of lubricating oil filling and improving practicality.
[0016] 2. The spiral oil groove is used to increase the lubricating oil capacity of the sleeve body, further improving the lubrication durability. At the same time, the spiral oil groove is used to increase the coating range between the guide pin and the sleeve shell, improving the uniformity of lubricating oil coating. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the guide sleeve structure of the utility model;
[0019] Figure 3 This is a schematic diagram of the sleeve structure of the utility model;
[0020] Figure 4 This is a schematic diagram of the mounting ring structure of the utility model;
[0021] Figure 5 This is a schematic diagram of the sealing ring structure of the utility model.
[0022] In the figure: 1. mold body; 2. guide sleeve; 3. sleeve body; 4. mounting ring; 5. sealing ring; 6. guide pin; 31. sleeve shell; 32. spiral oil groove; 41. ring body; 42. annular groove; 51. sealing ring body; 52. leather ring; 53. oil scraper ring. DETAILED DESCRIPTION
[0023] The technical solutions in the utility model embodiments will be described clearly and completely below in conjunction with the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the utility model embodiments, rather than all of the embodiments.
[0024] Reference Figure 1 and 2 An injection mold includes a mold body 1, a guide column 6 and a guide sleeve 2. The guide sleeve 2 includes a sleeve body 3, a mounting ring 4 and a sealing ring 5. The mounting ring 4 is respectively arranged at the upper end and the lower end of the guide sleeve 2. The mounting ring 4 is fixedly connected to the sleeve body 3. The sealing ring 5 is slidably sealed on the outer end of the guide column 6, and the sealing ring 5 is fixedly installed on the inner end of the mounting ring 4.
[0025] Reference Figure 1 , 2 3, the sleeve body 3 includes a sleeve shell 31, the sleeve shell 31 is fixedly installed in the mold body 1, and a spiral oil groove 32 is opened at the inner end of the sleeve shell 31. The spiral oil groove 32 is used to increase the lubricating oil capacity of the sleeve body 3.
[0026] Reference Figure 2 , 3 4, the mounting ring 4 includes a ring body 41, and the ring body 41 is fixedly connected to the sleeve shell 31. The ring body 41 is used to mount the sealing ring 5.
[0027] Reference Figure 2 and 4 The inner end of the ring body 41 is provided with an annular groove 42. The annular groove 42 is used to clamp the sealing ring 5, thereby increasing the stability of the mounting ring 4 and the sealing ring 5 after docking.
[0028] Reference Figure 1 , 2 , 4 and 5, the sealing ring 5 includes a sealing ring body 51, which is installed in the ring body 41, and the sealing ring body 51 is sealingly slidably sleeved on the guide column 6. The sealing ring body 51 is used to seal on the guide column 6 to increase the oil locking rate.
[0029] Reference Figure 2 , 4 5, the sealing ring 5 also includes a leather ring 52, which is fixedly connected to the outer end of the sealing ring body 51, and the leather ring 52 is buckled at the inner end of the annular groove 42, and the sealing ring body 51 and the leather ring 52 are an integral structure. The leather ring 52 is buckled at the inner end of the annular groove 42 to increase the stability of the sealing ring 5 after docking with the mounting ring 4.
[0030] Reference Figure 1 , 2 5, the sealing ring 5 also includes an oil scraper ring 53, which is slidably sealed on the guide column 6, and the oil scraper ring 53 is fixedly connected to the sealing ring body 51 as a whole. The oil scraper ring 53 is used to scrape oil along the guide column 6, so as to further reduce the loss rate of lubricating oil.
[0031] Working principle: Lubricating oil is filled in the space between the sealing ring 5, the sleeve body 3 and the guide pillar 6. During the sliding process of the guide sleeve 2, the sealing ring 5 is used to seal the lubricating oil in the sleeve body 3, thereby reducing the loss rate of the lubricating oil and improving the durability of the lubricating state, thereby reducing the frequency of lubricating oil filling.
[0032] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited to it. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the utility model according to the technical scheme and utility model concept of the utility model, which should be covered by the protection scope of the utility model.
[0033] The description briefly mentions the application direction of the utility model for the prior art that is known to those skilled in the art and has not been changed, and combines it with the utility model to form a complete technology; the description avoids over-popularizing the technology familiar to those skilled in the art, and is used to assist those skilled in the art to quickly understand the main content of the utility model.
Claims
1. An injection mold, comprising a mold body (1), a guide pin (6) and a guide sleeve (2), characterized in that: The guide sleeve (2) comprises a sleeve body (3), a mounting ring (4) and a sealing ring (5); the mounting ring (4) is respectively arranged at the upper end and the lower end of the guide sleeve (2); the mounting ring (4) is fixedly connected to the sleeve body (3); the sealing ring (5) is slidably sealed on the outer end of the guide column (6); and the sealing ring (5) is fixedly mounted on the inner end of the mounting ring (4).
2. An injection mold according to claim 1, characterized in that: The sleeve body (3) comprises a sleeve shell (31), and a spiral oil groove (32) is provided at the inner end of the sleeve shell (31).
3. An injection mold according to claim 2, characterized in that: The mounting ring (4) comprises a ring body (41), and the ring body (41) is fixedly connected to the sleeve shell (31).
4. An injection mold according to claim 3, characterized in that: An annular groove (42) is formed at the inner end of the ring body (41).
5. The injection mold according to claim 3, characterized in that: The sealing ring (5) comprises a sealing ring body (51), which is installed in the ring body (41). The sealing ring body (51) is sealingly slidably sleeved on the guide column (6).
6. An injection mold according to claim 5, characterized in that: The sealing ring (5) further comprises a leather ring (52), wherein the leather ring (52) is fixedly connected to the outer end of the sealing ring body (51), and the sealing ring body (51) and the leather ring (52) are an integral structure.
7. An injection mold according to claim 5, characterized in that: The sealing ring (5) further comprises an oil scraper ring (53), wherein the oil scraper ring (53) is fixedly connected to the sealing ring body (51) as a whole.