Die for adjusting thread angle of pump cover

Abstract

The utility model relates to a pump cover thread angle adjusting die which comprises a rotating die core, the rotating die core is rotatably fixed with a lower die through a bearing, an outer die core is arranged on the upper side of the rotating die core, a thread forming part used for forming an internal thread is arranged at the upper end of the outer die core, and the outer die core is fixed with the rotating die core through a fastener. The outer mold core used for forming pump cover threads and the rotating mold core are of a split structure, in the using process, the angle position of the outer mold core can be adjusted according to actual requirements, besides the position of the threads, other structures cannot be adjusted, in the using process, the thread angle can be rapidly adjusted according to different requirements of the outer side, and the mold is convenient to use. And at the moment, the production of the pump covers with the same size and different thread angle requirements can be completed by adopting one set of mold, so that the cost of the mold is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the mould field especially relates to a pump cap thread angle adjustment mould. BACKGROUND

[0002] In daily life, for the liquid products such as shampoo, hair conditioner, hair conditioner, usually adopts the bottling, at this time, a pump cap structure is arranged at the bottle mouth, in the process of pressing, the liquid in the bottle is pressed out, at this time, the pump cap is connected through the thread with the bottle, thereby forming a sealed container.

[0003] In the prior art, in order to avoid that the pump cap cannot be used when not being used, a locking structure is arranged at the position of the pump cap, only after the locking structure is opened, the pressing device of the pump cap can be normally pressed and used, the outer side of the bottle body is provided with the contents such as the propaganda pattern corresponding to the product, therefore, the pressing device needs to be in a specific position during normal use, so the initial position of the thread of the pump cap needs to be in a specific position, the thread position of the pump cap needs to be determined during production, due to different enterprises, different batches require different, the initial position of the thread of the pump cap is also required to be different, so different moulds need to be set, if only because the initial position of the thread of the pump cap is required to be different, a new mould is produced under the condition that other size parameters are the same, the production cost is too high for enterprises, therefore, a mould capable of adapting to multiple thread requirements is urgently needed to produce the pump cap. SUMMARY

[0004] Therefore, it is necessary to provide a pump cap thread angle adjustment mould aiming at the problems in the prior art.

[0005] A pump cap thread angle adjustment mould, characterized by comprising a rotating mold core, the rotating mold core is rotatably fixed with a lower mold through a bearing, an outer mold core is arranged on the upper side of the rotating mold core, an outer step is arranged on the outer side of the rotating mold core, an inner step corresponding to the outer step is arranged on the lower side of the outer mold core, the outer mold core is arranged on the upper side of the outer step of the rotating mold core through the inner step,

[0006] In one embodiment, the outer side of the rotating mold core is provided with an outer step, the lower side of the outer mold core is provided with an inner step corresponding to the outer step, and the outer mold core is arranged on the upper side of the outer step of the rotating mold core through the inner step.

[0007] In one embodiment, the upper side of the outer step is provided with a plurality of outer positioning teeth, the inner step is provided with corresponding inner positioning teeth, the outer positioning teeth and the inner positioning teeth are annularly distributed, and the inner positioning teeth are clamped on the upper side of the outer positioning teeth of the outer step.

[0008] In one embodiment, the outer side of the outer mold core is provided with a plurality of identification scales, and the identification scales are annularly distributed.

[0009] In one of the embodiments, the outer side of the rotating mold core is provided with an external gear, the external gear is engaged with a transmission gear, when the transmission gear rotates, the rotating mold core follows the rotation.

[0010] In one of the embodiments, the rotating mold core is provided with a plurality of external gears, the external gears of adjacent rotating mold cores are engaged through transmission gears, the transmission gears or the external gears are provided with engaged driving gears.

[0011] In one of the embodiments, the driving gear is sleeved on the outer side of a rotating sleeve, the rotating sleeve is sleeved on the outer side of a moving rod through threaded connection, the moving rod moves up and down when the mold is opened.

[0012] In one of the embodiments, the up and down positions of the rotating sleeve are provided with rotating bearings, the rotating sleeve is arranged in the lower mold position through the rotating bearings.

[0013] In one of the embodiments, the middle parts of the rotating mold core and the outer mold core are provided with ejection holes, after the outer mold core is fixed on the upper side of the rotating mold core, the ejection holes are arranged through from the top of the outer mold core to the lower side of the rotating mold core.

[0014] The pump cover thread angle adjusting mold is divided into a split structure of the outer mold core and the rotating mold core for forming the pump cover thread, so that the angle position of the outer mold core can be adjusted according to actual requirements in the use process, the position of the thread is adjusted, and other structures are not adjusted, so that the outer side can be quickly adjusted to different thread angle requirements in the use process, different requirements are adapted, at this time, the production of pump covers with the same size and different thread angle requirements can be completed by using a set of molds, and therefore the cost of the mold is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a mold core position structure schematic view of the pump cover thread angle adjusting mold of the utility model;

[0016] Fig. 2 It is a structure schematic view of the pump cover thread angle adjusting mold of the utility model;

[0017] Fig. 3 It is a result schematic view of the pump cover thread angle adjusting mold of the utility model;

[0018] 1, rotating mold core; 11, outer step; 12, outer positioning tooth; 13, identification scale; 14, external gear; 2, outer mold core; 21, formed thread part; 22, inner step; 23, inner positioning tooth; 3, transmission gear; 4, driving gear; 5, rotating sleeve; 6, moving rod; 7, rotating bearing; 8, ejection hole. DETAILED DESCRIPTION

[0019] For the above purposes, features and advantages of the present application to be more apparent and understandable, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, a number of specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of different manners other than those described herein, and it is to be understood that similar modifications of the present application can be effected without departing from the spirit and scope of the present application. Therefore, the present application is not to be limited to the following disclosed embodiments.

[0020] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can be present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0022] As shown in Figs. 1 to 3 The pump cover thread angle adjusting mold is characterized in that it comprises a rotating mold core 1, the rotating mold core 1 is fixedly connected with a lower mold through a bearing, an outer mold core 2 is arranged on the upper side of the rotating mold core 1, a thread forming portion 21 for forming an inner thread is arranged on the upper end of the outer mold core 2, and the outer mold core 2 is fixedly connected with the rotating mold core 1 through a fastener.

[0023] The outer mold core 2 for forming the pump cover thread and the rotating mold core 1 are in a split structure, so that the angle position of the outer mold core 2 can be adjusted according to actual requirements in use, the position of the thread is adjusted, and other structures are not adjusted, so that the outer side can be quickly adjusted to different thread angle requirements in use to adapt to different requirements, at this time, a set of molds can be used to complete the production of pump covers with the same size and different thread angle requirements, thereby reducing the cost of the mold.

[0024] The outer mold core 2 is used for forming the internal thread of the pump cover, but when the mold is opened, the outer mold core 2 needs to rotate simultaneously with the rotating mold core 1, so the outer mold core 2 needs to be fixed firmly with the rotating mold core 1. In the embodiment, the outer step 11 is arranged outside the rotating mold core 1, the inner step 22 corresponding to the outer step 11 is arranged on the lower side of the outer mold core 2, and the outer mold core 2 is arranged on the upper side of the outer step 11 of the rotating mold core 1 through the inner step 22. At this time, the inner step 22 is arranged on the inner side of the outer mold core 2, the outer step 11 is arranged on the outer side of the rotating mold core 1, and the outer mold core 2 is arranged on the upper side of the outer step 11 of the rotating mold core 1 through the inner step 22. In this way, a stable support for the outer mold core 2 can be formed, and at the same time, the outer mold core 2 is fixed with the rotating mold core 1 through fasteners, so that the outer mold core 2 is integrated with the rotating mold core 1. When the rotating mold core 1 rotates, the outer mold core 2 also rotates simultaneously.

[0025] During the adjustment of the angle of the outer mold core 2, the adjusted angle needs to be determined and cannot be adjusted at will. Therefore, in the embodiment, in order to ensure the position determination of the outer mold core 2 during the adjustment of the angle, the outer step 11 is provided with a plurality of outer positioning teeth 12 on the upper side, and the inner step 22 is provided with corresponding inner positioning teeth 23. The outer positioning teeth 12 and the inner positioning teeth 23 are arranged in a ring shape, and the inner positioning teeth 23 are clamped on the upper side of the outer positioning teeth 12 of the outer step 11. That is, the outer positioning teeth 12 and the inner positioning teeth 23 of the outer mold core 2 are clamped, so that the position of the outer mold core 2 with the rotating mold core 1 is determined. After the outer mold core 2 is fixed with the rotating mold core 1 after adjustment, the outer mold core 2 and the rotating mold core 1 will not rotate relative to each other, and the angle position of the formed thread part 21 of the outer mold core 2 will not change. At the same time, the inner positioning teeth 23 and the outer positioning teeth 12 are provided with a plurality of teeth, so that when the angle position of the outer mold core 2 is adjusted, one meshing tooth position is rotated to achieve small-angle adjustment, so that the adjustment accuracy is higher.

[0026] During the adjustment, the outer mold core 2 is mainly rotated to change the angle position relationship between the formed thread part 21 of the outer mold core 2 and the rotating mold core 1. In order to clearly understand the position of the formed thread part 21 during the adjustment of the angle position of the formed thread part 21 of the outer mold core 2, the outer side of the outer mold core 2 is provided with a plurality of identification scales 13 in the embodiment, and the identification scales 13 are arranged in a ring shape. The identification scales 13 are used to identify the starting position of the thread, so that the starting position of the formed thread part 21 can be directly observed, and the adjustment of the outer mold core 2 is simple and convenient.

[0027] Since the outer mold core 2 is provided with the forming thread part 21, the produced pump cover will also have a thread part, which is engaged with the forming thread part 21 after production, so the pump cover needs to be rotated out after the mold is opened, so the outer mold core 2 needs to be rotated at this time, in the embodiment, the outer side of the rotating mold core 1 is provided with an outer gear 14, the outer gear 14 is engaged with a transmission gear 3, when the transmission gear 3 rotates, the rotating mold core 1 follows the rotation.

[0028] Further, in order to improve production efficiency, at this time, the rotating mold core 1 is provided with a plurality of, the outer gears 14 of adjacent rotating mold cores 1 are engaged through the transmission gear 3, the transmission gear 3 or the outer side of the outer gear 14 is provided with an engaged driving gear 4. Under the action of the driving gear 4, the transmission gear 3 and the outer gear 14 rotate, so that when the mold is opened, the formed pump cover can be rotated out from the outer side of the outer mold core 2, so as to separate the formed pump cover from the mold. Further, at this time, the driving gear 4 is sleeved on the outer side of the rotating sleeve 5, the rotating sleeve 5 is sleeved on the outer side of the moving rod 6 through threaded connection, the moving rod 6 moves up and down when the mold is opened. At this time, only the up and down movement of the moving rod 6 needs to be controlled, the rotation of the driving gear 4 can be realized, and the rotation of the rotating mold core 1 is controlled. The up and down movement of the moving rod 6 adopts the technical solution in the prior art, which does not belong to the innovation of the utility model, therefore, it is not described in detail here.

[0029] In order to ensure that the rotating sleeve 5 does not move up and down during rotation, in the embodiment, the up and down positions of the rotating sleeve 5 are provided with rotating bearings 7, the rotating sleeve 5 is rotatably arranged in the lower mold position through the rotating bearings 7, the rotating sleeve 5 is fixed with the lower mold through the rotating bearings 7, so that only rotation of the rotating sleeve 5 occurs during the opening and closing of the mold, thereby driving the driving gear 4 to rotate.

[0030] Finally, in order to facilitate the removal of the product after the pump cover is rotated out after the mold is opened, in the embodiment, the middle parts of the rotating mold core 1 and the outer mold core 2 are provided with ejection holes 8, after the outer mold core 2 is fixed on the upper side of the rotating mold core 1, the ejection holes 8 are arranged through from the top of the outer mold core 2 to the lower side of the rotating mold core 1, and a corresponding ejector rod is also provided, which moves up and down in the ejection hole 8 after the mold is opened, thereby ejecting the pump cover, facilitating the removal of the pump cover after being rotated out.

[0031] The technical features of the above-mentioned embodiments can be combined arbitrarily, in order to make the description simple, not all possible combinations of the technical features in the above-mentioned embodiments are described, however, as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the present application.

[0032] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several modifications and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. A pump cover thread angle adjustment die characterized by, The rotating mold core is fixed with the lower mold through a bearing, the upper side of the rotating mold core is provided with an outer mold core, the upper end of the outer mold core is provided with a thread forming part for forming an internal thread, and the outer mold core is fixed with the rotating mold core through a fastener.

2. The pump cover thread angle adjustment die of claim 1, wherein, The outer side of the rotating mold core is provided with an outer step, the lower side of the outer mold core is provided with an inner step corresponding to the outer step, and the outer mold core is arranged on the upper side of the outer step of the rotating mold core through the inner step.

3. The pump cover thread angle adjustment die of claim 2, wherein, The upper side of the outer step is provided with a plurality of outer positioning teeth, the inner step is provided with corresponding inner positioning teeth, the outer positioning teeth and the inner positioning teeth are annularly distributed, and the inner positioning teeth are clamped on the upper side of the outer positioning teeth of the outer step.

4. The pump cover thread angle adjustment die of claim 3, wherein, The outer side of the outer mold core is provided with a plurality of identification scales, and the identification scales are annularly distributed.

5. The pump cover thread angle adjustment die of any one of claims 1 to 4, wherein, The outer side of the rotating mold core is provided with an outer gear, the outer gear is engaged with a transmission gear, and the rotating mold core follows the rotation of the transmission gear when the transmission gear rotates.

6. The pump cover thread angle adjustment die of claim 5, wherein, The rotating mold core is provided with a plurality of outer gears, the outer gears of adjacent rotating mold cores are engaged through transmission gears, and the transmission gears or the outer gears are provided with engaged drive gears on the outer side.

7. The pump cover thread angle adjustment die of claim 6, wherein, The drive gears are sleeved on the outer side of a rotating sleeve, the rotating sleeve is sleeved on the outer side of a moving rod through a threaded connection, and the moving rod moves up and down when the mold is opened.

8. The pump cover thread angle adjustment die of claim 7, wherein, The rotating sleeve is rotatably arranged at the position of the lower mold through a rotating bearing arranged at the upper and lower positions of the rotating sleeve.

9. The pump cover thread angle adjustment die of claim 4, wherein, The middle parts of the rotating mold core and the outer mold core are provided with ejection holes, and the ejection holes are arranged through from the top of the outer mold core to the lower side of the rotating mold core after the outer mold core is fixed on the upper side of the rotating mold core.

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