Self-lubricating mold ejector rod structure

Abstract

The utility model provides a self-lubricating mould ejector rod structure, which relates to the technical field of mould ejector rods, and comprises a rod body, a sliding chute is arranged in the rod body, a lubricating mechanism is arranged in the sliding chute, the lubricating mechanism comprises a sliding block, a through hole is formed in the top of the sliding block in a penetrating manner, a spring is fixedly connected to the side wall of the sliding block, and the spring is fixedly connected with the sliding block. And the end, away from the sliding block, of the spring is fixedly connected to the side wall of the sliding groove, the side wall of the sliding block is fixedly connected with a connecting rod, an oil inlet is formed in the rod body, and the interior of the oil inlet communicates with the through hole. In the process that the rod body is driven by the die to reciprocate, the through hole can be communicated with the oil inlet and the oil outlet, and then lubricating oil in the oil storage chamber can flow out of the oil outlet, so that the self-lubricating effect is achieved while the rod body reciprocates, the working efficiency is improved, meanwhile, the loss of the rod body in the using process is reduced, and the service life of the rod body is prolonged. And the service life can be effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to die ejector rod technical field, concretely is a kind of self-lubricating die ejector rod structure. BACKGROUND

[0002] Ejector rod as important spare parts in die, as a bar for ejecting formed workpiece, for penetrating into the pin of metal cavity back, for ejecting the workpiece made.

[0003] The "CN221456660U" disclosed in the utility model provides an ejector rod assembly for injection mold, which can be known to include a fixed seat and an ejector rod movably arranged on the fixed seat; the top of the ejector rod is provided with a top block; one side of the top block integrally extends a ejection portion; the top surface of the ejection portion and the top surface of the top block are in the same plane; the end of the ejection portion away from the top block is provided with a lengthening portion for supporting the male die. The patent technology sets the ejection portion on one side of the ejector rod, and the lengthening portion for supporting the male die is arranged at the end of the ejection portion away from the top block, so that the end of the ejection portion can be supported by the male die, reducing the deformation and springback of the ejection portion, thereby avoiding the problem of leaving marks of the top block on the plastic part, and improving the injection quality of the product.

[0004] However, the above-mentioned device still has the following problems in the implementation process:

[0005] In the use process of the mold, the ejector rod reciprocates in the mold seat, and the friction will aggravate the wear of the ejector rod, which will reduce the service life of the ejector rod. At this time, the ejector rod needs to be lubricated to reduce the loss. Since the ejector rod does not have self-lubricating function, lubrication operation needs to be stopped, which reduces the work efficiency. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of self-lubricating die ejector rod structure to solve the problems raised in the above background art.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A kind of self-lubricating die ejector rod structure, including rod body, the inside of rod body is equipped with sliding slot, and lubricating mechanism is arranged in the inside of sliding slot;

[0009] The lubricating mechanism includes a sliding block, and a through hole is formed in the top of the sliding block, the side wall of the sliding block is fixedly connected with a spring, and the end of the spring away from the sliding block is fixedly connected with the side wall of the sliding slot, and the side wall of the sliding block is fixedly connected with a connecting rod.

[0010] Preferably, the inside of the rod body is equipped with an oil inlet, and the inside of the oil inlet is communicated with the through hole, the inside of the rod body is equipped with an oil outlet, and the inside of the oil outlet is communicated with the through hole.

[0011] Preferably, the outer wall bottom of the rod body is threadedly connected with a base, and the top of the base is provided with an oil collecting groove.

[0012] Preferably, the bottom of the oil collecting groove is provided with an oil collecting port, and the inner wall of the oil collecting port is fixedly installed with a filter screen.

[0013] Preferably, the inside of the base is provided with an oil storage cavity, and the inside of the oil storage cavity is in communication with the inner wall of the filter screen.

[0014] Preferably, the inside of the rod body is provided with an oil storage chamber.

[0015] Preferably, the top of the rod body is rotatably connected with an oil inlet.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. In the reciprocating movement process of the rod body driven by the mold, the through hole is communicated with the oil inlet and the oil outlet, then the lubricating oil in the oil storage chamber flows out from the oil outlet, so that the reciprocating movement of the rod body is realized while self-lubrication is realized, the working efficiency is improved, the loss of the rod body in the use process is reduced, and the service life is effectively improved.

[0018] 2. The lubricating oil on the outer wall of the rod body is collected by the oil collecting groove, then the lubricating oil is filtered by the filter screen, and then stored in the oil storage cavity, so that the waste of the lubricating oil is avoided, and the production cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a whole structure schematic view of the utility model;

[0020] Fig. 2 It is a structure connection schematic view of the lubricating mechanism of the utility model;

[0021] Fig. 3 It is a local structure sectional view of the utility model.

[0022] In the drawing: 1, rod body; 2, sliding groove; 3, lubricating mechanism; 4, oil inlet; 5, oil outlet; 6, base; 7, oil collecting groove; 8, oil collecting port; 9, filter screen; 10, oil storage cavity; 11, oil storage chamber; 12, oil inlet; 301, sliding block; 302, through hole; 303, connecting rod; 304, spring. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] Embodiment one, please refer to Figs. 1-3 The utility model provides a kind of self-lubricating mould ejector rod structure, including stem 1, the top of stem 1 is rotatably connected with oil filler 12, oil storage chamber 11 is set in the inside of stem 1, chute 2 is set in the inside of stem 1, and lubricating mechanism 3 is arranged in the inside of chute 2.

[0025] Further, lubricating mechanism 3 includes sliding block 301, and through hole 302 is formed in the top of sliding block 301, spring 304 is fixedly connected to the side wall of sliding block 301, and the end of spring 304 away from sliding block 301 is fixedly connected to the side wall of chute 2, and connecting rod 303 is fixedly connected to the side wall of sliding block 301.

[0026] In the embodiment, first, after rotating oil filler 12, it can be opened, then lubricating oil can be added to the inside of oil storage chamber 11, and then oil storage chamber 11 is sealed by rotating oil filler 12, in the initial state of stem 1, it is in the inside of mould, at this time, connecting rod 303 is retracted into the inside of stem 1, and sliding block 301 will close the upper side of oil outlet 5, then when using mould to work, mould will drive stem 1 to reciprocate, in the process of stem 1 upward, the end of connecting rod 303 will be separated from contact with mould, at this time, connecting rod 303 will not be limited again, then spring 304 will rebound, then sliding block 301 will slide in the inner wall of chute 2, and sliding block 301 will drive connecting rod 303 to slide outward in the inside of stem 1, after sliding block 301 slides, at this time, the upper side of through hole 302 is communicated with oil inlet 4, and the lower side of through hole 302 is communicated with oil outlet 5, then the lubricating oil in the inside of oil storage chamber 11 will flow into oil outlet 5 through oil inlet 4 and through hole 302, then flow out to the outer wall of stem 1 through oil outlet 5, so as to achieve the effect of smearing lubricating oil on the outer wall of stem 1, then when stem 1 is retracted and reset, the end of connecting rod 303 is extruded by mould, so that connecting rod 303 slides to the inside of stem 1 again, so as to drive sliding block 301 to close oil outlet 5, realize the effect of self-lubrication while stem 1 reciprocates.

[0027] In the above embodiment, the inner part of the rod body 1 is provided with an oil inlet 4, and the inner part of the oil inlet 4 is connected with the through hole 302; the inner part of the rod body 1 is provided with an oil outlet 5, and the inner part of the oil outlet 5 is connected with the through hole 302;

[0028] Further, the outer wall of the rod body 1 is threadedly connected with a base 6, the top of the base 6 is provided with an oil collecting groove 7, the bottom of the oil collecting groove 7 is provided with an oil collecting port 8, the inner wall of the oil collecting port 8 is fixedly installed with a filter screen 9, the inner part of the base 6 is provided with an oil storage cavity 10, and the inner part of the oil storage cavity 10 is connected with the inner wall of the filter screen 9.

[0029] In this embodiment, after the outer wall of the rod body 1 is smeared with lubricating oil, the lubricating oil will flow downward along the outer wall of the rod body 1, and at the same time, the debris adsorbed on the outer wall of the rod body 1 can also be taken away, then when flowing to the bottom of the rod body 1, it will enter the inner part of the oil collecting groove 7, then the lubricating oil will be filtered by the filter screen 9, and the debris and other impurities in the lubricating oil will be filtered by the filter screen 9 and stay on its surface, the filtered lubricating oil will flow through the inner part of the oil collecting port 8, then flow into the oil storage cavity 10, thereby completing the collection of the lubricating oil and reducing waste, since the base 6 and the rod body 1 are threadedly connected, then the base 6 can be disassembled and separated by rotating, then the debris and other impurities filtered in the oil collecting groove 7 can be cleaned, and at the same time, the recycled lubricating oil in the oil storage cavity 10 can be reused.

[0030] Working principle: the oil inlet 12 can be opened by rotating, then the lubricating oil can be added to the inner part of the oil storage chamber 11, and when the mold is used to work, the mold will drive the rod body 1 to move back and forth, in the process of the rod body 1 moving upward, the end of the connecting rod 303 will be separated from the contact with the mold, at this time, the connecting rod 303 will not be limited again, then the spring 304 will rebound, then drive the sliding block 301 to slide on the inner wall of the sliding groove 2, at the same time, the sliding block 301 will drive the connecting rod 303 to slide outward in the inner part of the rod body 1, after the sliding block 301 slides, at this time, the upper part of the through hole 302 is connected with the oil inlet 4, and the lower part of the through hole 302 is connected with the oil outlet 5, then the lubricating oil in the inner part of the oil storage chamber 11 will flow into the oil outlet 5 through the oil inlet 4 and the through hole 302, then flow out to the outer wall of the rod body 1 through the oil outlet 5, thereby achieving the effect of smearing the lubricating oil on the outer wall of the rod body 1, then when the rod body 1 is retracted and reset, the end of the connecting rod 303 is extruded by the mold, so that the connecting rod 303 slides to the inner part of the rod body 1 again, thereby driving the sliding block 301 to complete the sealing of the oil outlet 5, realizing the effect of self-lubrication while the rod body 1 moves back and forth.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A self-lubricating mold ejector rod structure comprising a rod body (1), characterized in that: The inside of the rod body (1) is provided with a sliding groove (2), and the inside of the sliding groove (2) is provided with a lubricating mechanism (3); The lubricating mechanism (3) comprises a sliding block (301), and a through hole (302) is formed in the top of the sliding block (301); a spring (304) is fixedly connected to the side wall of the sliding block (301), and the end, away from the sliding block (301), of the spring (304) is fixedly connected to the side wall of the sliding groove (2); and a connecting rod (303) is fixedly connected to the side wall of the sliding block (301).

2. The self-lubricating mold ejector rod structure of claim 1, wherein: The inside of the rod body (1) is provided with an oil inlet (4), and the inside of the oil inlet (4) is in communication with the through hole (302); and the inside of the rod body (1) is provided with an oil outlet (5), and the inside of the oil outlet (5) is in communication with the through hole (302).

3. The self-lubricating mold ejector rod structure of claim 1, wherein: The bottom of the outer wall of the rod body (1) is threadedly connected with a base (6), and the top of the base (6) is provided with an oil collecting groove (7).

4. The self-lubricating mold ejector rod structure of claim 3, wherein: The bottom of the oil collecting groove (7) is provided with an oil collecting port (8), and the inner wall of the oil collecting port (8) is fixedly installed with a filter screen (9).

5. The self-lubricating mold ejector rod structure of claim 4, wherein: The inside of the base (6) is provided with an oil storage cavity (10), and the inside of the oil storage cavity (10) is in communication with the inner wall of the filter screen (9).

6. The self-lubricating mold ejector rod structure of claim 1, wherein: The inside of the rod body (1) is provided with an oil storage chamber (11).

7. The self-lubricating mold ejector rod structure of claim 1, wherein: The top of the rod body (1) is rotatably connected with an oil inlet port (12).

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