CN211279918U

CN211279918U - Positioning device for mold

Info

Publication number: CN211279918U
Application number: CN201922045266.9U
Authority: CN
Inventors: 吴剑
Original assignee: Changzhou Haizhuo Precision Mold Co ltd
Current assignee: Changzhou Haizhuo Precision Mold Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-18
Anticipated expiration: 2029-11-25

Abstract

The utility model relates to the technical field of mold positioning, in particular to a positioning device for a mold; the die comprises an upper die holder and a lower die holder, wherein a first locking bolt is connected to the side wall of the upper die holder in a threaded manner and penetrates through the side wall of the upper die holder; a first clamping plate is fixedly arranged at the threaded end of the first locking bolt, first positioning columns are fixedly arranged at the four corners of the lower bottom surface of the upper die base, and second positioning columns are fixedly arranged on the lower bottom surface of the first clamping plate; the left side wall and the right side wall of the lower die base are in threaded connection with second locking bolts, and threaded ends of the second locking bolts are fixedly connected with second clamping plates; a second positioning groove is formed in the position, corresponding to the second positioning column, of the upper end face of the second clamping plate; a first positioning groove is formed in the position, corresponding to the first positioning column, of the upper side surface of the lower die base; the utility model discloses possess simple structure, mould clamping convenience, go up the accurate and good characteristics of interchangeability of lower mould location.

Description

Positioning device for mold

Technical Field

The utility model relates to a mould location technical field, concretely relates to positioner for mould.

Background

The mould is various moulds 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 outer dimensions of an upper die and a lower die of the die are generally the same, and inner cavities of the upper die and the lower die are different; the two can be combined; when the blank is closed, the blank is injected into the die cavity for forming.

When the positioning device works, an upper die and a lower die of the die are often positioned and fixed respectively by the positioning device, and the die is closed; in the production and manufacturing process of large-batch accessories, the upper die and the lower die (with different inner cavities) of the same specification are frequently required to be replaced, but the existing die positioning device has the defects of weak interchangeability, complex die clamping operation and more cost working hours; on the other hand, when the upper mold and the lower mold are clamped, the upper mold and the lower mold are likely to be displaced, and the mold fails.

SUMMERY OF THE UTILITY MODEL

For solving the problem that proposes among the above-mentioned background art, the utility model provides a positioner for mould possesses simple structure, the mould clamping is convenient, go up the accurate and characteristics that interchangeability is good of lower mould location.

In order to achieve the above object, the utility model provides a following technical scheme: a positioning device for a die comprises an upper die holder and a lower die holder, wherein the upper die holder is in a concave shape, a first locking bolt is connected to the side wall of the upper die holder in a threaded manner, and penetrates through the side wall of the upper die holder; a first clamping plate is fixedly arranged at the threaded end of the first locking bolt, the cross section of the first clamping plate is rectangular, and the first clamping plate is made of carbon steel material; a first positioning column is fixedly arranged at the four corners of the lower bottom surface of the upper die base, and a second positioning column is fixedly arranged on the lower bottom surface of the first clamping plate; the first positioning column and the second positioning column are both made of cast iron; the upper half parts of the first positioning column and the second positioning column are cylindrical, and the lower half parts of the first positioning column and the second positioning column are conical; the radius of the first positioning column is larger than that of the second positioning column on the same horizontal plane; the left side wall and the right side wall of the lower die base are in threaded connection with second locking bolts, and threaded ends of the second locking bolts are fixedly connected with second clamping plates; a second positioning groove is formed in the position, corresponding to the second positioning column, of the upper end face of the second clamping plate; the upper side surface of the lower die base is provided with a first positioning groove corresponding to the position of the first positioning column.

Furthermore, a fixing base is fixedly arranged on the left side surface and the right side surface of the lower die base, and a threaded hole is formed in the upper end surface of the fixing base.

Furthermore, the upper end surface of the upper die base is fixedly connected with a hydraulic cylinder, and the hydraulic cylinder is fixedly arranged on a hydraulic machine tool.

Furthermore, the number of the first locking bolts is two, and the two first locking bolts are symmetrically arranged on the left side wall and the right side wall of the upper die base.

Furthermore, a first guide rail groove is formed in the middle of the lower bottom surface of the upper die base, and the upper end of the first clamping plate is located in the first guide rail groove.

Furthermore, a second guide rail groove is formed in the middle of the upper side face of the lower die base, and the lower half portion of the second clamping plate is located in the second guide rail groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the worker only needs to use a spanner to adjust the retraction amount of the first locking bolts at the left end and the right end, so that the two first clamping plates clamp the upper die, and the clamping process of the upper die can be finished; the clamping is convenient, and when different molds are replaced, the upper mold can be ensured to be in the right center position and the interchangeability is high only by ensuring that the screw thread retraction amounts of the two first locking bolts are the same; the clamping method of the lower die holder and the upper die holder is the same;

2. the first positioning column on the upper die holder and the first positioning groove on the lower die holder are mutually clamped, so that the upper die holder and the lower die holder are ensured not to deviate during die assembly; the second positioning column positioned on the first clamping plate and the second positioning groove positioned on the second clamping plate can ensure that no deviation occurs between the upper die and the lower die during die assembly, and the positioning is accurate;

3. the upper half parts of the first positioning column and the second positioning column are cylindrical, and the lower half parts of the first positioning column and the second positioning column are conical, so that the positions of the upper die holder can be conveniently adjusted when the upper die holder deviates during die assembly; the radius of the first positioning column is larger than that of the second positioning column on the same horizontal plane, and the second positioning column and the second positioning groove are matched with each other to ensure higher positioning precision when the upper die and the lower die are closed.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a bottom view of the upper die holder of the present invention;

in the figure: 1. an upper die holder; 2. a first rail groove; 3. a first positioning post; 4. a first locking bolt; 5. a first splint; 6. a second positioning column; 7. a hydraulic cylinder; 8. a lower die holder; 9. a second positioning groove; 10. a first positioning groove; 11. a fixed base; 12. a second rail groove; 13. a second locking bolt; 14. a second splint.

Detailed Description

In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some, but not all, embodiments of the present invention and are not to be considered as limiting, and that all other embodiments can be made by one of ordinary skill in the art without any inventive work.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do 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. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments, and all embodiments may be used in combination with each other.

Referring to fig. 1-2, the present invention provides the following technical solutions: a positioning device for a die comprises an upper die holder 1 and a lower die holder 8, wherein the upper die holder 1 is in a concave shape, a first locking bolt 4 is connected to the side wall of the upper die holder 1 in a threaded manner, and the first locking bolt 4 penetrates through the side wall of the upper die holder 1; the first locking bolt 4 is an inner hexagon bolt, a first clamping plate 5 is fixedly arranged at the threaded end of the first locking bolt 4, the cross section of the first clamping plate 5 is rectangular, and the first clamping plate 5 is made of carbon steel material; the four corners of the lower bottom surface of the upper die holder 1 are fixedly provided with first positioning columns 3, and the lower bottom surface of the first clamping plate 5 is fixedly provided with second positioning columns 6; the first positioning column 3 and the second positioning column 6 are both made of cast iron; the upper half parts of the first positioning column 3 and the second positioning column 6 are cylindrical, and the lower half parts are conical; the radius of the first positioning column 3 is larger than that of the second positioning column 6 on the same horizontal plane; the left side wall and the right side wall of the lower die base 8 are in threaded connection with second locking bolts 13, and threaded ends of the second locking bolts 13 are fixedly connected with second clamping plates 14; the second clamping plate 14 has the same size and structure as the first clamping plate 5; a second positioning groove 9 is formed in the position, corresponding to the second positioning column 6, of the upper end surface of the second clamping plate 14; the upper side surface of the lower die base 8 is provided with a first positioning groove 10 corresponding to the position of the first positioning column 3.

According to the embodiment, a worker only needs to use a wrench to adjust the retraction amount of the first locking bolts 4 at the left end and the right end, so that the two first clamping plates 5 clamp the upper die and the retraction amounts of the first locking bolts 4 at the two ends are the same, and the clamping process of the upper die can be completed; the clamping is convenient, and the interchangeability is high; the clamping method of the lower die holder 8 and the upper die holder 1 is the same; when the die is closed, the first positioning column 3 on the upper die holder 1 is ensured to be positioned in the first positioning groove 10 on the lower die holder 8, so that no deviation occurs between the upper die holder 1 and the lower die holder 8 when the die is closed; through the second positioning column 6 positioned on the first clamping plate 5 and the second positioning groove 9 positioned on the second clamping plate 14, no deviation can be generated between the upper die and the lower die during die assembly, and the positioning is accurate; the upper half parts of the first positioning column 3 and the second positioning column 6 are cylindrical, the lower half parts of the first positioning column and the second positioning column are conical, and when the upper die holder 1 is subjected to die assembly deviation, the positions can be conveniently adjusted; the radius of the first positioning column 3 is larger than that of the second positioning column 6 on the same horizontal plane, and the second positioning column 6 and the second positioning groove 9 are matched with each other to ensure that the upper die and the lower die are provided with higher positioning accuracy when being closed.

According to the above embodiment, referring to fig. 1, the left and right side surfaces of the lower die base 8 are fixedly provided with the fixing bases 11, and the upper end surface of the fixing base 11 is provided with the threaded hole, so that the lower die base 8 can be conveniently fixed on the hydraulic press machine.

According to the above embodiments, specifically, referring to fig. 1, the upper end surface of the upper die holder 1 is fixedly connected with the hydraulic cylinder 7, the hydraulic cylinder 7 is fixedly arranged on the hydraulic machine tool, so that the upper die holder 1 can drive the upper die to be closed, and the hydraulic cylinder 7 and the hydraulic machine tool belong to the prior art and are not described herein.

According to the above embodiment, specifically, referring to fig. 1 and fig. 2, the number of the first locking bolts 4 is two, the two first locking bolts 4 are symmetrically arranged on the left and right side walls of the upper die holder 1, and by applying a symmetrical force, the uniform extrusion force applied to the die is ensured, and the die is fixed more firmly.

According to the above embodiment, referring to fig. 1 and fig. 2, specifically, the middle position of the lower bottom surface of the upper die holder 1 is provided with the first guide groove 2, and the upper end of the first clamp plate 5 is located in the first guide groove 2, so as to facilitate the sliding of the first clamp plate 5.

According to the above embodiment, specifically, referring to fig. 1, a second guide groove 12 is formed in the middle of the upper side surface of the lower die base 8, and the lower half portion of the second clamping plate 14 is located in the second guide groove 12, so that the second clamping plate 14 can slide conveniently.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a positioner for mould, includes upper die base (1) and die holder (8), its characterized in that: the upper die holder (1) is in a concave shape, a first locking bolt (4) is connected to the side wall of the upper die holder (1) in a threaded mode, and the first locking bolt (4) penetrates through the side wall of the upper die holder (1); a first clamping plate (5) is fixedly arranged at the threaded end of the first locking bolt (4), the cross section of the first clamping plate (5) is rectangular, and the first clamping plate (5) is made of carbon steel material; four corners of the lower bottom surface of the upper die holder (1) are fixedly provided with first positioning columns (3), and the lower bottom surface of the first clamping plate (5) is fixedly provided with second positioning columns (6); the first positioning column (3) and the second positioning column (6) are both made of cast iron; the upper half parts of the first positioning column (3) and the second positioning column (6) are cylindrical, and the lower half parts are conical; the radius of the first positioning column (3) is larger than that of the second positioning column (6) on the same horizontal plane; the left side wall and the right side wall of the lower die holder (8) are in threaded connection with second locking bolts (13), and threaded ends of the second locking bolts (13) are fixedly connected with second clamping plates (14); a second positioning groove (9) is formed in the position, corresponding to the second positioning column (6), of the upper end face of the second clamping plate (14); the upper side surface of the lower die holder (8) is provided with a first positioning groove (10) corresponding to the position of the first positioning column (3).

2. The positioning device for the mold according to claim 1, wherein: the left side surface and the right side surface of the lower die seat (8) are fixedly provided with fixed bases (11), and the upper end surface of each fixed base (11) is provided with a threaded hole.

3. The positioning device for the mold according to claim 1, wherein: the upper end face of the upper die base (1) is fixedly connected with a hydraulic cylinder (7), and the hydraulic cylinder (7) is fixedly arranged on a hydraulic machine tool.

4. The positioning device for the mold according to claim 1, wherein: the number of the first locking bolts (4) is two, and the two first locking bolts (4) are symmetrically arranged on the left side wall and the right side wall of the upper die base (1).

5. The positioning device for the mold according to claim 1, wherein: a first guide rail groove (2) is formed in the middle of the lower bottom surface of the upper die base (1), and the upper end of the first clamping plate (5) is located in the first guide rail groove (2).

6. The positioning device for the mold according to claim 1, wherein: a second guide rail groove (12) is formed in the middle of the upper side face of the lower die base (8), and the lower half portion of the second clamping plate (14) is located in the second guide rail groove (12).