Injection mold with guide device

Abstract

The utility model relates to the technical field of injection mold guiding, in particular to an injection mold with a guiding device, which comprises a fixed mold plate and a movable mold plate, and four oil immersion grooves positioned at four corners are arranged on the upper end face of the fixed mold plate. Lubricating oil in the oil immersion cotton can be extruded and injected into the lubricating groove through lifting of the movable mold plate, the lubricating oil in the lubricating groove is supplemented, the lubricating effect is kept, additional power is not needed for supplementing the lubricating groove, the structure is simpler and more energy-saving, redundant lubricating oil on the guide rod can be pushed back to the oil immersion box or the oil immersion groove through the extrusion ring, and the lubricating oil is injected into the lubricating groove again; according to the mold, excessive lubricating oil can be effectively prevented from flowing into the fixed mold plate to pollute the forming groove, the excessive lubricating oil can be recycled, the utilization rate of the lubricating oil is higher, loss is lower, the extrusion ring is driven to be recycled through lifting of the movable mold plate, and an extra recycling device is not needed.

Description

Technical Field

[0001] The utility model relates to the technical field of injection mold guides, in particular to an injection mold with a guide device. Background Art

[0002] Injection molds are tools for producing plastic products; they are also tools that give plastic products a complete structure and precise dimensions. The guide pin guide mechanism uses the cooperation between the guide pin and the guide hole to ensure the mold's matching accuracy, but the general guide device does not have a device for adding lubricating oil.

[0003] CN202320913311.1 discloses an injection mold with a guide device, comprising a fixed mold plate and a movable mold plate, wherein the movable mold plate is located above the fixed mold plate... When the movable mold plate moves downward, lubricating liquid is injected into the side wall of the guide rod through the lubrication groove, thereby reducing the friction between the guide rod and the movable mold plate, and extending the service life of the guide grooves provided on the guide rod and the movable mold plate. At the same time, the lubricating oil in the oil storage tank can be injected into the piston rod through the oil pipe through the oil pump in the oil storage tank to supplement the lubricating oil in the oil filling plate. However, the device lacks a device for collecting the lubricating oil on the guide rod, and the lubricating oil on the guide rod is easy to flow to the fixed mold plate, which may cause pollution to the molding groove in the fixed mold plate. Utility Model Content

[0004] The utility model aims to solve the disadvantage in the prior art that the lubricating oil on the guide rod easily flows onto the fixed template and may pollute the molding groove in the fixed template, and proposes an injection mold with a guide device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An injection mold with a guide device is designed, comprising a fixed mold plate and a movable mold plate, the upper end surface of the fixed mold plate is provided with four oil immersion grooves located at four corners, a guide rod is fixedly arranged inside the oil immersion groove, the upper end outer wall of the guide rod is threadedly connected with an oil immersion box, the upper end surface of the movable mold plate is provided with four through holes, and four guide rods are respectively inserted in the four through holes, a lubrication groove is provided in the through holes of the movable mold plate, the upper and lower end surfaces of the movable mold plate are both integrally formed with four extrusion rings respectively sleeved outside the guide rods, the top of the extrusion ring is provided with an oil inlet hole that penetrates the upper and lower groups of extrusion rings and the movable mold plate and is connected to the lubrication groove, and oil immersion cotton is fixed inside the oil immersion box and the oil immersion groove.

[0007] Preferably, an upper fixing ring is bonded to the upper end surface of the oil-immersed cotton, and a guide rod is inserted into the interior of the upper fixing ring, and the outer wall of the upper fixing ring is threadedly connected to the inner wall of the oil-immersed box.

[0008] Preferably, a plurality of oil holes in a circular array are provided on the top of the upper fixing ring.

[0009] Preferably, a through hole is formed on the top of the oil immersion box, and a refueling port is fixedly provided in the through hole.

[0010] Preferably, a mounting ring is bonded to the bottom of the oil-immersed cotton below, and a guide rod is inserted into the interior of the mounting ring, and the outer wall of the mounting ring is threadedly connected to the inner wall of the oil-immersed tank.

[0011] Preferably, the oil-soaked cotton comprises annular oil-absorbing cotton and a shaping protective sleeve, the outer wall of the oil-absorbing cotton is provided with a shaping protective sleeve to prevent the escape of fragments produced by the oil-absorbing cotton, and micropores are provided on the top of the shaping protective sleeve.

[0012] Preferably, a sealing cap is threadedly connected to the top of the fuel filling port.

[0013] The utility model proposes an injection mold with a guide device, which has the beneficial effects of: not only can the guide rod be lubricated by the lubricating oil in the lubricating groove, but also the lubricating oil in the oil-immersed cotton can be squeezed into the lubricating groove by the lifting of the movable platen, and the lubricating oil in the lubricating groove is replenished to maintain the lubrication effect, no additional power is needed to replenish the lubricating groove, the structure is simpler and more energy-efficient, and the excess lubricating oil on the guide rod will be pushed back to the oil immersion box or the oil immersion groove by the extrusion ring and re-injected into the lubricating groove, which can not only effectively prevent the excess lubricating oil from flowing into the fixed platen and contaminating the molding groove, but also can recycle the excess lubricating oil, the lubricating oil utilization rate is higher and the loss is lower, and the extrusion ring is driven by the lifting and lowering of the movable platen for recycling, without the need for an additional recycling device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural schematic diagram of an injection mold with a guide device proposed by the utility model;

[0015] Figure 2 This is a schematic cross-sectional structure diagram of an injection mold with a guide device proposed by the utility model;

[0016] Figure 3 This is an enlarged view of area A of an injection mold with a guide device proposed by the utility model;

[0017] Figure 4 This is an enlarged view of the B area of ​​an injection mold with a guide device proposed by the utility model;

[0018] Figure 5 The utility model is a schematic diagram of the oil-impregnated cotton structure with an injection mold having a guide device.

[0019] In the figure: 1. Fixed template; 2. Guide rod; 3. Moving template; 4. Extrusion ring; 5. Oil immersion box; 6. Oil filling port; 7. Oil inlet hole; 8. Oil immersion cotton; 9. Lubrication groove; 10. Upper fixing ring; 11. Oil hole; 12. Sealing cover; 13. Oil immersion groove; 14. Mounting ring; 15. Oil absorbing cotton; 16. Molding protective cover. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-5 An injection mold with a guide device comprises a fixed mold plate 1 and a movable mold plate 3. The upper end surface of the fixed mold plate 1 is provided with four oil immersion grooves 13 located at four corners. A guide rod 2 is fixedly arranged inside the oil immersion groove 13. The upper end outer wall of the guide rod 2 is threadedly connected with an oil immersion box 5. The upper end surface of the movable mold plate 3 is provided with four through holes, and four guide rods 2 are respectively inserted into the four through holes. A lubrication groove 9 is provided in the through holes of the movable mold plate 3. The upper and lower end surfaces of the movable mold plate 3 are integrally formed with four extrusion rings 4 respectively sleeved on the outside of the guide rod 2. The top of the extrusion ring 4 is provided with an oil inlet hole 7 that penetrates the upper and lower groups of extrusion rings 4 and the movable mold plate 3 and connects to the lubrication groove 9. The oil immersion box 5 and the oil immersion groove 13 are both fixed with oil immersion cotton 8.

[0022] An upper fixing ring 10 is bonded to the upper end surface of the upper oil-immersed cotton 8 , and the guide rod 2 is inserted into the interior of the upper fixing ring 10 , and the outer wall of the upper fixing ring 10 is threadedly connected to the inner wall of the oil-immersed box 5 .

[0023] A plurality of oil holes 11 are formed in a circumferential array on the top of the upper fixing ring 10 .

[0024] A through hole is formed on the top of the oil immersion box 5, and a refueling port 6 is fixedly disposed in the through hole.

[0025] A mounting ring 14 is bonded to the bottom of the lower oil-immersed cotton 8 , and the guide rod 2 is inserted into the interior of the mounting ring 14 , and the outer wall of the mounting ring 14 is threadedly connected to the inner wall of the oil-immersed tank 13 .

[0026] The oil-soaked cotton 8 comprises an annular oil-absorbing cotton 15 and a shaping protective sleeve 16. The outer wall of the oil-absorbing cotton 15 is provided with a shaping protective sleeve 16 to prevent the fragments produced by the oil-absorbing cotton 15 from escaping, and the top of the shaping protective sleeve 16 is provided with micro-pores.

[0027] A sealing cap 12 is threadedly connected to the top of the fuel filling port 6 .

[0028] Working principle: Lubricating oil is added into the oil immersion box 5 or the oil immersion groove 13 through the filling port 6 or directly, so that the oil immersion cotton 8 is immersed in the lubricating oil; when the movable template 3 rises or falls, the extrusion ring 4 pushes the excess lubricating oil into the oil immersion box 5 or the oil immersion groove 13 and is sucked into the oil immersion cotton 8; when the extrusion ring 4 continues to rise or fall, the oil immersion box 5 or the oil immersion groove 13 is closed and the oil immersion cotton 8 is squeezed, and the lubricating oil in the oil immersion cotton 8 is squeezed out and enters the lubrication groove 9 through the oil inlet hole 7, and the guide rod 2 is lubricated by the lubricating oil in the lubrication groove 9.

[0029] Not only can the guide rod 2 be lubricated by the lubricating oil in the lubricating groove 9, but the lubricating oil in the oil-immersed cotton 8 can be squeezed and injected into the lubricating groove 9 by the lifting and lowering of the movable mold plate 3, and the lubricating oil in the lubricating groove 9 is replenished to maintain the lubrication effect. No additional power is required to replenish the lubricating groove 9, and the structure is simpler and more energy-efficient. The excess lubricating oil on the guide rod 2 will be pushed back to the oil immersion box 5 or the oil immersion groove 13 by the extrusion ring 4 and re-injected into the lubricating groove 9, which can not only effectively prevent the excess lubricating oil from flowing into the fixed mold plate 1 to pollute the molding groove, but also can recycle the excess lubricating oil, with higher lubricating oil utilization and lower loss, and the extrusion ring 4 is driven by the lifting and lowering of the movable mold plate 3 for recycling, without the need for an additional recovery device.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An injection mold with a guide device, comprising a fixed mold plate (1) and a movable mold plate (3), characterized in that: The upper end surface of the fixed die plate (1) is provided with four oil immersion grooves (13) located at four corners, a guide rod (2) is fixedly arranged inside the oil immersion groove (13), the upper end outer wall of the guide rod (2) is threadedly connected with an oil immersion box (5), the upper end surface of the movable die plate (3) is provided with four through holes, and four guide rods (2) are respectively inserted into the four through holes, a lubrication groove (9) is provided in the through hole of the movable die plate (3), the upper and lower end surfaces of the movable die plate (3) are integrally formed with four extrusion rings (4) respectively sleeved outside the guide rods (2), the top of the extrusion ring (4) is provided with an oil inlet hole (7) penetrating the upper and lower two groups of extrusion rings (4) and the movable die plate (3) and connected to the lubrication groove (9), and the oil immersion box (5) and the oil immersion groove (13) are both fixedly provided with oil immersion cotton (8).

2. An injection mold with a guide device according to claim 1, characterized in that: An upper fixing ring (10) is bonded to the upper end surface of the oil-immersed cotton (8), and the interior of the upper fixing ring (10) is plugged with a guide rod (2), and the outer wall of the upper fixing ring (10) is threadedly connected to the inner wall of the oil-immersed box (5).

3. An injection mold with a guide device according to claim 2, characterized in that: The top of the upper fixing ring (10) is provided with a plurality of oil holes (11) arranged in a circumferential array.

4. The injection mold with a guide device according to claim 1, characterized in that: A through hole is formed on the top of the oil immersion box (5), and a refueling port (6) is fixedly provided in the through hole.

5. The injection mold with a guide device according to claim 1, characterized in that: A mounting ring (14) is bonded to the bottom of the oil-immersed cotton (8) below, and the guide rod (2) is inserted into the interior of the mounting ring (14), and the outer wall of the mounting ring (14) is threadedly connected to the inner wall of the oil-immersed tank (13).

6. The injection mold with a guide device according to claim 1, characterized in that: The oil-soaked cotton (8) comprises an annular oil-absorbing cotton (15) and a shaping protective sleeve (16); the outer wall of the oil-absorbing cotton (15) is provided with a shaping protective sleeve (16) for preventing fragments generated by the oil-absorbing cotton (15) from escaping, and micro-pores are provided on the top of the shaping protective sleeve (16).

7. The injection mold with a guide device according to claim 4, characterized in that: The top of the refueling port (6) is threadedly connected with a sealing cover (12).

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