CN210969722U

CN210969722U - Fine adjustment type telescopic device and mold

Info

Publication number: CN210969722U
Application number: CN201921396954.3U
Authority: CN
Inventors: 黄维明
Original assignee: Dongguan Baoke Hot Runner Technology Co ltd
Current assignee: Dongguan Baoke Hot Runner Technology Co ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-07-10
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses a fine-tuning telescoping device and mould, telescopic machanism and fine setting lid in the overcoat including overcoat, cylinder cap, activity cartridge, the cylinder cap can be with fine setting lid locking in the overcoat, fine setting lid can be followed overcoat axis direction and is adjusted the position of telescopic machanism in the overcoat. The mechanism is arranged on the outer wall of the telescopic mechanism through the fine adjustment cover, so that the structure of the whole telescopic mechanism is unchanged, but the telescopic stroke is enlarged, and the working range of the whole telescopic device is further enlarged; simultaneously, the fine adjustment cover is used as a connecting structure of the telescopic mechanism and the outer sleeve, hard contact between the telescopic mechanism and the outer sleeve is avoided, abrasion of the telescopic mechanism when stressed is reduced, the telescopic mechanism can be replaced without disassembling the whole telescopic device in the later period, the operation cost is saved, and the production efficiency is improved.

Description

Fine adjustment type telescopic device and mold

Technical Field

The utility model relates to the technical field of mold, in particular to fine tuning telescoping device and mould.

Background

The die is various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The method realizes the processing of the appearance of the article mainly by changing the physical state of the formed material, and the article is called as 'industrial mother'.

At present, in the production process of a mold, a hot runner system is widely used, however, residues of a glue inlet opening of a general system product can be left to cause product appearance defects, a valve needle system can solve the problem of the product appearance defects, however, the general valve needle system in the market cannot solve the problems encountered in use during application, the thickness dimension error of the general mold is large, and the matching dimension of the valve needle and the glue inlet opening of the product is required to be high in precision. Often unable installation because of mould thickness dimensional error when mould and needle cooperation, serious need purchase the needle again, cause the unnecessary cost of production, and reach certain quantity back when output in the production process, the needle can wear and tear, causes product appearance defect, needs to change the needle and just can solve, foretell problem causes the change time length easily, influences production efficiency, increases the purchase cost problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a fine setting formula telescoping device and mould, can adjust whole telescopic machanism's position according to the demand of reality, and then realize the fine setting, avoided the trouble of traditional dismouting.

According to the utility model provides a problem provides a fine setting formula telescoping device, telescopic machanism and fine setting lid in the overcoat including overcoat, cylinder cap, activity cartridge, the cylinder cap can be with fine setting lid locking in the overcoat, fine setting lid can be followed overcoat axis direction and is adjusted the position of telescopic machanism in the overcoat. In the application, the telescopic mechanism can be a conventional air cylinder, a hydraulic cylinder and the like, and can also be a telescopic mechanism such as a linear motor and the like, and as the telescopic mechanism generally moves in a specific stroke, basically only starts and stops between two limit stroke points, and the start and stop at any position is very difficult, the final movement stroke of the output end of the whole telescopic mechanism is very difficult to adjust by adjusting the movement stroke of the internal structure of the telescopic mechanism. Utilize the fine setting lid to adjust the position of telescopic machanism whole overcoat relatively in this application, prolonged whole fine setting formula telescoping device's motion stroke to a certain extent, the flexibility is strong, does not change telescopic machanism's inner structure simultaneously, convenient operation. The outer sleeve can protect the internal telescopic mechanism and can be used as an installation structure, so that the whole structure is convenient to disassemble and assemble.

As an improvement of the technical scheme, the outer sleeve is provided with an opening end and a limiting end, the cylinder cover is arranged on the opening end, and the cylinder cover can press the back of the fine adjustment cover and cover the fine adjustment cover in the outer sleeve; the fine tuning cover is connected with the mounting end of the telescopic mechanism through threads, and the output end of the telescopic mechanism movably penetrates through the limiting end. The fine adjustment cover is connected with the telescopic mechanism through threads, stepless adjustment can be achieved, fine adjustment can be achieved within a specified stroke range, when the size error of the die is large, the fine adjustment telescopic structure can be adjusted to solve the installation problem without replacing a valve needle due to size deviation, the valve needle is abraded after a certain yield is produced, only the abraded position needs to be processed, the valve needle can be installed again, the effective service life of the valve needle is greatly prolonged, the increase of cost and the influence of error production on the delivery cycle are not needed to be bought again, the telescopic mechanism can be abraded only by adjusting the fine adjustment cover, the position of the telescopic mechanism in the jacket can be adjusted, the abrasion of the telescopic mechanism can be complemented by adjusting the position of the telescopic mechanism through the fine adjustment cover, and the problem of influence on delivery caused by part replacement is reduced.

As an improvement of the technical scheme, the inner wall of the outer sleeve is provided with a step for limiting and finely adjusting the cover; convex edges matched with the steps are arranged on the periphery of the fine adjustment cover. The step is convenient for restrict whole fine setting lid, and fine setting lid is as a fixed position's application of force structure like this, is convenient for accept telescopic machanism's the reaction force of coming of transmitting, also is convenient for telescopic machanism's installation simultaneously.

As an improvement of the technical scheme, the mounting end of the telescopic mechanism is not contacted with the fine adjustment cover, and the telescopic mechanism can move along the axial direction of the outer sleeve relatively; the design purpose can make whole telescopic machanism when adjusting, has sufficient space allowance, reduces telescopic machanism and external structure's interference influence simultaneously.

As an improvement of the above technical solution, the fine adjustment cover is provided with at least one locking hole, the telescopic mechanism is provided with a plurality of positioning holes matched with the locking holes, and the locking holes limit the relative rotation of the fine adjustment cover and the telescopic mechanism in a manner that pins are matched with the positioning holes. Because the fine tuning cover and the telescopic mechanism can rotate relatively, and the fine tuning cover is used as an installation structure of the telescopic mechanism, the guarantee of the relative position of the fine tuning cover and the telescopic mechanism directly influences the final telescopic precision of the whole device, so that the relative position of the fine tuning cover and the telescopic mechanism can be locked through the matching of the locking hole and the positioning hole, and the maximum stroke of the telescopic mechanism is guaranteed to meet the requirement.

As an improvement of the technical scheme, the fine tuning cover is provided with an identification scale; the mark scales are matched with the positioning holes. The marking scale is convenient for an operator to adjust the direction effectively when performing fine adjustment operation; meanwhile, the marking scales are convenient for operators to adjust the relative extension of the telescopic mechanism in the fine adjustment cover.

As an improvement of the technical scheme, the telescopic mechanism comprises a cylinder body, a valve needle and a needle pressing sleeve, wherein the other end of the valve needle movably penetrates through one end of the cylinder body and extends out of the outer sleeve; the outer side wall of the cylinder body is movably arranged on the fine adjustment cover, and the needle pressing sleeve is blocked at the other end of the cylinder body; the valve needle is slidable in the cylinder along the axial direction of the cylinder. The matching of the valve needle and the cylinder body can be regarded as a piston structure, so that the driving is convenient, the needle pressing sleeve is used as a blocking structure of the cylinder body, and the replacement of the valve needle sleeve at the later stage is convenient; the detachable installation of pressure needle cover and cylinder body is convenient for the later stage and is carried out the dismouting.

As an improvement of the technical scheme, a clamping groove is formed in one end, located at the needle pressing sleeve, of the cylinder body, and a clamping ring for limiting the needle pressing sleeve is arranged in the clamping groove. Through the cooperation of snap ring and draw-in groove, can effectively guarantee the position of tucking in the cylinder body, also be convenient for later stage simultaneously and tear the needle cover open.

As an improvement of the technical scheme, one end of the cylinder body outlet is also provided with a valve needle sleeve, one end of the valve needle movably penetrates through the valve needle sleeve, and the valve needle sleeve can be used as a sealing element between the valve needle and the cylinder body, so that the friction between the valve needle and the cylinder body is reduced, and the sealing performance between the valve needle and the cylinder body is improved.

The application also provides a die, which comprises a die and the fine adjustment type telescopic device; the fine adjustment type telescopic device is arranged in the die and used for ejecting a formed product in the die. The fine adjustment type telescopic device is utilized in the mold, so that the trouble that the whole mold needs to be detached from the injection molding machine after the fine adjustment type telescopic device is abraded can be reduced, meanwhile, later-period operation workers can directly adjust the whole telescopic mechanism on the mold, the operation cost and the operation time are saved, and the production efficiency is improved.

Has the advantages that:

according to the fine adjustment type telescopic device, the outer wall of the telescopic mechanism is arranged on the outer sleeve through the fine adjustment cover, so that the structure of the whole telescopic mechanism is unchanged, but the telescopic stroke is enlarged, and the working range of the whole telescopic device is further enlarged; simultaneously, the fine adjustment cover is used as a connecting structure of the telescopic mechanism and the outer sleeve, hard contact between the telescopic mechanism and the outer sleeve is avoided, abrasion of the telescopic mechanism when stressed is reduced, the telescopic mechanism can be replaced without disassembling the whole telescopic device in the later period, the operation cost is saved, and the production efficiency is improved.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of an embodiment of the present invention with the valve needle in an unworn condition;

fig. 3 is a sectional view of the valve needle in a worn state according to the embodiment of the present invention;

fig. 4 is an exploded view of an embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 4, the present application provides a mold including a mold and a fine adjustment type expansion device; the fine adjustment type telescopic device is arranged in the die and used for ejecting a formed product in the die. The fine adjustment type telescopic device is utilized in the mold, so that the trouble that the whole mold needs to be detached from the injection molding machine after the fine adjustment type telescopic device is worn can be reduced, meanwhile, later-period operation workers can directly adjust the whole telescopic mechanism 3 on the mold, the operation cost and the operation time are saved, and the production efficiency is improved. Wherein, fine setting formula telescoping device includes overcoat 1, cylinder cap 2, the telescopic machanism 3 and the fine setting lid 4 of activity cartridge in overcoat 1, cylinder cap 2 can be with fine setting lid 4 locking in overcoat 1, fine setting lid 4 can be followed 1 axis direction of overcoat and adjusted the position of telescopic machanism 3 in overcoat 1. In the application, the telescopic mechanism 3 can be a conventional cylinder, a hydraulic cylinder or the like, and can also be a telescopic mechanism such as a linear motor and the like, because the telescopic mechanism 3 generally moves in a specific stroke, basically, the telescopic mechanism is started and stopped only between two limit stroke points, and it is very difficult to start and stop at any position, so that it is very difficult to adjust the final movement stroke of the output end of the whole telescopic mechanism 3 by adjusting the movement stroke of the internal structure of the telescopic mechanism 3. Utilize fine setting lid 4 to adjust the position of telescopic machanism 3 whole overcoat 1 relatively in this application, prolonged whole fine setting formula telescoping device's motion stroke to a certain extent, the flexibility is strong, does not change telescopic machanism 3's inner structure simultaneously, convenient operation. The outer sleeve 1 can protect the internal telescopic mechanism 3 and can be used as an installation structure, so that the whole structure is convenient to disassemble and assemble.

The outer sleeve 1 is provided with an opening end 11 and a limiting end 12, the cylinder cover 2 is covered on the opening end 11, and the fine adjustment cover 4 is tightly pressed in the outer sleeve 1; the fine adjustment cover 4 is connected with the mounting end of the telescopic mechanism 3 through threads, and the output end of the telescopic mechanism 3 movably penetrates through the limiting end 12. The outer casing 1 can be understood in this embodiment as a mounting cylinder, open at one end and semi-closed at the other. The cylinder head 2 is locked to the open end 11 by screws in this embodiment, and a sealing ring may be provided between the open end 11 and the cylinder head 2 for sealing. The fine setting lid 4 passes through the screw with telescopic machanism 3's being connected, can realize the infinitely variable control, can realize the fine setting in the stroke range of regulation, can make telescopic machanism 3 after wearing and tearing like this, only need through adjusting fine setting lid 4, can adjust telescopic machanism 3 position in overcoat 1, realize utilizing fine setting lid 4 to adjust telescopic machanism 3 position and supply telescopic machanism 3's wearing and tearing itself, reduced the trouble that spare part was dismantled and was changed.

Referring to fig. 2 and 3, since the position of the fine tuning cover can indirectly affect the position and the stroke of the telescopic mechanism 3, in order to better limit the position of the fine tuning cover 4, a step 13 for limiting the fine tuning cover 4 is arranged on the inner wall of the outer sleeve 1; the periphery of the fine adjustment cover 4 is provided with a convex edge 41 matched with the step 13. The step 13 facilitates the restriction of the entire fine adjustment cover 4, so that the fine adjustment cover 4 serves as a fixed-position force application structure, facilitates the accommodation of the transmitted reaction force of the telescopic mechanism 3, and facilitates the installation of the telescopic mechanism 3. Step 13 cooperation cylinder cap 2 can effectively lock the ascending motion of fine setting lid 4 in overcoat 1 axis direction, avoids causing the error because of the motion of fine setting lid 4.

Referring to fig. 2, when the telescopic mechanism 3 is not worn, the mounting end of the telescopic mechanism 3 is in contact with the cylinder head 2, and the fine adjustment cover 4 does not work, that is, the fine adjustment cover 4 is not in contact with the cylinder head 2 or the back of the fine adjustment cover 4 is flush with the mounting end face of the telescopic mechanism 3; referring to fig. 3, after the telescopic mechanism 3 is worn, the position of the fine tuning cover 4 and the mounting end of the telescopic mechanism 3 is adjusted, that is, the fine tuning cover 4 is adjusted to extend outwards along the mounting end of the telescopic mechanism 3, and at this time, the fine tuning cover 4 is adjusted to contact with the cylinder cover 2 in preference to the cylinder cover 2, so that the length of the whole telescopic mechanism 3 is indirectly lengthened, and the adaptability is improved. Wherein, the telescopic mechanism 3 can move relatively along the axial direction of the jacket 1 in the application; the design aims to ensure that the whole telescopic mechanism 3 has enough space allowance when being adjusted, and simultaneously, the interference influence of the telescopic mechanism 3 and an external structure is reduced.

Referring to fig. 2 and 3, since the fine adjustment cover 4 and the telescoping mechanism 3 can rotate relatively, in order to avoid mutual movement of the fine adjustment cover 4 and the telescoping mechanism 3 during use, at least one locking hole 42 is provided on the fine adjustment cover 4, a plurality of positioning holes 31 matched with the locking holes 42 are provided on the telescoping mechanism 3, and the locking holes 42 limit the relative rotation of the fine adjustment cover 4 and the telescoping mechanism 3 in a manner that pins are matched with the positioning holes 31. Because the fine tuning cover 4 and the telescopic mechanism 3 can rotate relatively, and the fine tuning cover 4 is used as an installation structure of the telescopic mechanism 3, the guarantee of the relative position of the fine tuning cover 4 and the telescopic mechanism 3 directly affects the final telescopic precision of the whole device, so that the relative position of the fine tuning cover 4 and the telescopic mechanism 3 can be locked through the matching of the locking hole 42 and the positioning hole 31, and the maximum stroke of the telescopic mechanism 3 is guaranteed to meet the requirement. The positioning hole 31 is a blind hole disposed on the outer side wall of the cylinder 32 in this embodiment, and it is understood that a concave pit may be also used. The positioning hole 31 has another function in this embodiment, which is to facilitate the operation worker to insert the positioning hole 31 through the rotating tool so as to drive the fine adjustment cover 4 to rotate.

Further, the fine adjustment cover 4 is provided with an identification scale 43; the identification scale 43 matches with the positioning hole 31. The marking scales 43 facilitate the fine adjustment operation of operators, and can effectively adjust the direction; while the identification scale 43 facilitates the operator to adjust the relative detail of the extension of the telescopic mechanism 3 within the fine adjustment cap 4.

Referring to fig. 2 to 4, the telescopic mechanism 3 comprises a cylinder 32, a needle 34 and a needle pressing sleeve 35, wherein the other end of the needle 34 passes through one end of the cylinder 32 and extends out of the outer sleeve 1; the needle pressing sleeve 35 is blocked at the other end of the cylinder body 32; the needle 34 is slidable within the cylinder 32 in the axial direction of the cylinder 32. The cooperation of the valve needle 34 with the cylinder 32 can be regarded as a piston structure for easy actuation. In another embodiment of the present application, a needle cover 33 is further disposed at one end of the outlet of the cylinder 32, one end of the needle 34 is movably inserted through the needle cover 33, and the needle cover 33 can serve as a sealing member between the needle 34 and the cylinder 32, so as to reduce friction between the needle 34 and the cylinder 32 and improve sealing performance therebetween. The needle pressing sleeve 35 is used as a plugging structure of the cylinder body 32, so that the installation of the needle sleeve 33 is facilitated, and the replacement of the needle sleeve 33 in the later period is facilitated; the removable installation of pressure needle cover 35 and cylinder body 32 is convenient for the later stage dismouting. The outer side wall of the cylinder body 32 is movably arranged on the fine adjustment cover 4, wherein the fine adjustment cover 4 is connected with the outer side wall of the cylinder body 32 through threads, the fine adjustment cover 4 is simply understood to be similar to a nut, and the cylinder body 32 is similar to a screw rod, so that the fine adjustment cover 4 and the cylinder body 32 can rotate relatively, and further the relative position of the telescopic mechanism 3 in the outer sleeve 1 is adjusted. Wherein, the valve needle sleeve 33 is installed on the output end of the cylinder body 1, and mainly plays a role in sealing the gap between the cylinder body 1 and the valve needle 34.

A clamping groove 36 is formed in one end, located on the needle pressing sleeve 35, of the cylinder body 32, and a clamping ring for limiting the needle pressing sleeve 35 is arranged in the clamping groove 36. Through the cooperation of the snap ring and the clamping groove 36, the position of the needle pressing sleeve 35 in the cylinder body 32 can be effectively ensured, and meanwhile, the needle pressing sleeve 35 is convenient to disassemble at the later stage.

According to the fine adjustment type telescopic device, the outer wall of the telescopic mechanism 3 is arranged on the outer sleeve 1 through the fine adjustment cover 4, so that the structure of the whole telescopic mechanism 3 is unchanged, but the telescopic stroke is enlarged, and the working range of the whole telescopic device is further enlarged; fine setting lid 4 has avoided the hard contact of telescopic machanism 3 with overcoat 1 as telescopic machanism 3 and the connection structure of overcoat 1 simultaneously, wearing and tearing when having reduced telescopic machanism 3 atress, also the later stage of being convenient for need not say that whole telescoping device dismantles and get off and can change telescopic machanism 3, has saved the cost of operation, has improved the efficiency of production.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A fine adjustment formula telescoping device which characterized in that: including telescopic machanism (3) of overcoat (1), cylinder cap (2), fine setting lid (4) and activity cartridge in overcoat (1), cylinder cap (2) can be with fine setting lid (4) locking in overcoat (1), fine setting lid (4) can be followed overcoat (1) axis direction and adjusted telescopic machanism (3) position in overcoat (1).

2. A vernier telescopic device as claimed in claim 1, wherein: the outer sleeve (1) is provided with an opening end (11) and a limiting end (12), the cylinder cover (2) is covered on the opening end (11), and the cylinder cover (2) can press the back of the fine adjustment cover (4) and enable the fine adjustment cover (4) to be in the outer sleeve (1); the fine adjustment cover (4) is connected with the mounting end of the telescopic mechanism (3) through threads, and the output end of the telescopic mechanism (3) movably penetrates through the limiting end (12).

3. A vernier telescopic device as claimed in claim 2, wherein: the inner wall of the outer sleeve (1) is provided with a step (13) for limiting the fine adjustment cover (4); the periphery of the fine adjustment cover (4) is provided with a convex edge (41) matched with the step (13).

4. A vernier telescopic device as claimed in claim 2, wherein: the installation end of the telescopic mechanism (3) is not contacted with the fine adjustment cover (4), and the telescopic mechanism (3) can move along the axis direction of the outer sleeve (1) relatively.

5. A vernier telescopic device as claimed in claim 1, wherein: at least one locking hole (42) is formed in the fine adjustment cover (4), a plurality of positioning holes (31) matched with the locking holes (42) are formed in the telescopic mechanism (3), and the locking holes (42) limit the fine adjustment cover (4) and the telescopic mechanism (3) to rotate relatively in a mode that pins are matched with the positioning holes (31).

6. A vernier telescopic device as claimed in claim 5, wherein: the fine adjustment cover (4) is provided with an identification scale (43); the mark scales (43) are matched with the positioning holes (31).

7. A vernier telescopic device according to any one of claims 1 to 6, wherein: the telescopic mechanism (3) comprises a cylinder body (32), a valve needle (34) and a needle pressing sleeve (35), and the other end of the valve needle (34) movably penetrates through one end of the cylinder body (32) and extends out of the outer sleeve (1); the outer side wall of the cylinder body (32) is movably arranged on the fine adjustment cover (4), and the needle pressing sleeve (35) is blocked at the other end of the cylinder body (32); the valve needle (34) is slidable in the cylinder (32) in the axial direction of the cylinder (32).

8. A vernier telescopic device according to claim 7, wherein: a clamping groove (36) is formed in one end, located on the needle pressing sleeve (35), of the cylinder body (32), and a clamping ring for limiting the needle pressing sleeve (35) is arranged in the clamping groove (36).

9. A vernier telescopic device according to claim 7, wherein: one end of the outlet of the cylinder body (32) is also provided with a valve needle sleeve (33), and one end of the valve needle (34) movably penetrates through the valve needle sleeve (33).

10. A mold comprising a mold and a fine adjustment type telescopic device according to any one of claims 1 to 9; the fine adjustment type telescopic device is arranged in the die and used for ejecting a formed product in the die.