Positioning and aligning structure of injection mold

Abstract

The utility model relates to the field of injection molds, in particular to a positioning and aligning structure of an injection mold. The technical problems that in the using process of an injection mold, if a positioning alignment structure cannot limit an upper mold, accurate positioning of a mold structure in the using process is not facilitated, and the alignment installation effect of the mold is affected are solved. According to the technical scheme, the positioning and aligning structure of the injection mold comprises a supporting assembly; the device further comprises a lifting assembly, an upper die assembly, a lower die assembly, a fixing assembly and a positioning alignment assembly. According to the utility model, the alignment structure on the positioning alignment assembly can be quickly replaced by rotating the positioning alignment assembly, and the upper mold assembly is limited and aligned by utilizing the positioning alignment assembly, so that the upper mold assembly and the lower mold assembly can be quickly aligned and placed, and the problem that in the use process of the injection mold, the alignment structure cannot be replaced quickly is solved. And if the positioning and aligning structure cannot limit the upper die, accurate positioning of the die structure in the using process is not facilitated.

Description

Technical Field

[0001] The utility model belongs to the field of injection molds, and in particular relates to a positioning and alignment structure of an injection mold. Background Art

[0002] At present, the common injection mold positioning and alignment structure is achieved by using positioning pins and positioning holes. The plastic mold usually installs positioning pins on one side or the bottom of the mold, and corresponding positioning holes on the other side or the top. When the two mold parts need to be aligned, the positioning pins will be inserted into the positioning holes to ensure accurate alignment. This structure can be fixed by means of threads, precision fit, etc. to improve positioning accuracy. Large injection molds may use pneumatic or hydraulic positioning systems. By installing pneumatic or hydraulic positioning pins and corresponding positioning holes in the mold, air pressure or hydraulic pressure is used to achieve mold alignment and fixation. However, during the use of the injection mold, if the positioning and alignment structure cannot limit the upper mold, it is not conducive to the precise positioning of the mold structure during use, affecting the alignment and installation effect of the mold. Utility Model Content

[0003] In order to overcome the problem that during the use of the injection mold, if the positioning and alignment structure cannot limit the upper mold, it will be detrimental to the precise positioning of the mold structure during use, affecting the alignment and installation effect of the mold.

[0004] The technical solution of the utility model is: a positioning and alignment structure of an injection mold, comprising a support component; also comprising a lifting component, an upper mold component, a lower mold component, a fixing component and a positioning and alignment component; a lifting component for lifting is arranged at the upper end of the support component; an upper mold component for injection is arranged at the lower end of the lifting component; a lower mold component for injection is arranged above the support component; a fixing component for fixing the lower mold component is arranged at the upper end of the support component; a positioning and alignment component for limiting and aligning the upper mold component is movably arranged at the upper end of the support component.

[0005] Preferably, when in use, the positioning and alignment component can be rotated to quickly replace the alignment structure on the positioning and alignment component, the lifting component is opened to allow the upper mold component to descend to the upper end of the lower mold component, and the positioning and alignment component is used to limit and align the upper mold component, which is beneficial to the rapid alignment and placement of the upper mold component and the lower mold component. At the same time, the support component can limit the lower mold component, which is beneficial to the stable installation of the lower mold component. This solves the problem that during the use of the injection mold, if the positioning and alignment structure cannot limit the upper mold, it will be detrimental to the precise positioning of the mold structure during use, affecting the alignment and installation effect of the mold.

[0006] Preferably, the support assembly includes a base plate, an internal threaded barrel and a limiting column; a symmetrical internal threaded barrel is fixedly connected to the upper end of the base plate; the limiting column is threadedly installed on the inner wall of the internal threaded barrel, and the limiting column is threadedly installed on the inner wall of the internal threaded barrel, so that the outer wall of the limiting column can limit the lower mold assembly, which is beneficial to the rapid limiting installation and placement of the lower mold assembly.

[0007] Preferably, the lifting assembly includes a support body, a fixed plate, a bearing block, a rotating plate and an electric cylinder; the upper end of the base plate is fixedly connected to the support body; the right end of the support body is fixedly connected to the fixed plate; the right end of the fixed plate is fixedly connected to the bearing block; the upper end of the fixed plate is hingedly connected to the rotating plate; the lower end of the rotating plate and the upper end of the bearing block are fitted; the upper end of the rotating plate is fixedly connected to the electric cylinder; the lower end of the telescopic rod of the electric cylinder passes through the rotating plate and extends to the bottom of the rotating plate. The upper mold assembly can be lifted and lowered by turning on the electric cylinder, which is convenient for quick adjustment of the position of the upper mold assembly. During demolding, the rotating plate can rotate along the upper edge of the right end of the fixed plate, which is convenient for demolding.

[0008] Preferably, the upper mold assembly includes an upper mold, a first fixed block, a first through hole, an injection cylinder and a second fixed block; the lower end of the telescopic rod of the electric cylinder is fixedly connected to the upper mold; the first fixed block is fixedly connected to the middle of the front and rear ends of the upper mold; the first through holes are penetrated at the upper and lower ends of the first fixed block; the right end of the upper mold is fixedly connected to the injection cylinder; the front and rear ends of the upper mold are fixedly connected to symmetrical second fixed blocks; the inner wall of the first through hole and the outer wall of the limiting column are in the same plane. After the upper mold descends, the inner wall of the first through hole fits with the outer wall of the limiting column, which is beneficial to the stable descent of the upper mold and the positioning and alignment of the upper mold.

[0009] Preferably, the lower mold assembly includes a lower mold, a lower mold groove, a second through hole and a third through hole; the lower mold is movably arranged above the base plate; a lower mold groove is provided at the upper end of the lower mold; symmetrical second through holes are provided through the upper and lower ends of the lower mold; the inner wall of the second through hole fits with the outer wall of the limiting column; third through holes are provided through the four corner edges of the upper and lower ends of the lower mold, and when the lower mold is installed, the inner wall of the second through hole fits with the outer wall of the limiting column, which is conducive to the rapid positioning and installation of the lower mold.

[0010] Preferably, the fixing assembly includes a third fixing block, a mounting block, a fourth through hole and a limiting rod; a symmetrical third fixing block is fixedly connected to the upper end of the base plate; the third fixing block is fixedly connected to the mounting block at one end close to the lower mold by bolts; symmetrical fourth through holes are penetrated through the upper and lower ends of the mounting block; a uniformly distributed limiting rod is fixedly connected to the upper end of the base plate; the outer wall of the limiting rod fits with the inner wall of the fourth through hole; the outer wall of the limiting rod also penetrates the upper and lower ends of the lower mold and extends to the top of the lower mold; the lower end of the mounting block is fixedly connected to the upper end of the lower mold, the third fixing block fixes the mounting block, and the mounting block is fixedly connected to the lower mold, so that the lower mold can be suspended and fixed on the third fixing block, so as to realize the rapid suspended installation of the lower mold, and at the same time, the limiting rod can limit the lower mold, and the limiting rod is also limited by the fourth through hole on the mounting block, so as to realize the rapid positioning installation of the lower mold.

[0011] Preferably, the positioning and alignment assembly comprises a positioning block, a positioning column, a first alignment block and a second alignment block; the positioning block is fixedly connected to the upper end of the base plate; the positioning column is movably provided on the inner wall of the third through hole; the first alignment block is threadedly mounted on the lower part of the outer wall of the positioning column; the second alignment block is threadedly mounted on the upper part of the outer wall of the positioning column; the first alignment block and the second alignment block have the same structure; the first alignment block is in an "L"-shaped structure; the inner wall of the first alignment block is matched with the outer wall of the second fixed block; the inner wall of the first alignment block is matched with the outer wall corner of the positioning block, and when the upper mold moves downward and finally the lower end of the upper mold is fitted with the upper end of the lower mold, the right-angle outer wall of the second fixed block is When the right-angled inner wall of the second alignment block fits, the second alignment block can limit the second fixed block, thereby realizing the alignment and placement of the upper mold. At the same time, since the inner wall of the first alignment block is adapted to the corner of the outer wall of the positioning block, the positioning column can be positioned and placed, thereby realizing the positioning and placement of the second alignment block, which is beneficial to rapid limiting alignment of the upper mold. The first alignment block and the second alignment block are both threadedly mounted on the outer wall of the positioning column, which is convenient for disassembly and assembly of the first alignment block and the second alignment block. Timely replacement of the new first alignment block and the second alignment block helps to improve the accuracy of limiting the second fixed block, thereby improving the limiting alignment effect of the upper mold.

[0012] Beneficial effects of the utility model:

[0013] 1. When the upper mold moves downward and the lower end of the upper mold is finally fitted with the upper end of the lower mold, when the right-angled outer wall of the second fixed block is fitted with the right-angled inner wall of the second alignment block, the second alignment block can limit the second fixed block, thereby realizing the alignment and placement of the upper mold. At the same time, since the inner wall of the first alignment block is adapted to the corner of the outer wall of the positioning block, the positioning column can be positioned and placed, thereby realizing the positioning and placement of the second alignment block, which is conducive to rapid positioning and alignment of the upper mold. The first alignment block and the second alignment block are both threadedly mounted on the outer wall of the positioning column, which is convenient for disassembly and assembly of the first alignment block and the second alignment block. Timely replacement of the new first alignment block and the second alignment block helps to improve the accuracy of the positioning of the second fixed block, thereby improving the positioning and alignment effect of the upper mold, and solves the problem that if the positioning and alignment structure cannot limit the upper mold during the use of the injection mold, it is not conducive to the precise positioning of the mold structure during use, which affects the alignment and installation effect of the mold;

[0014] 2. Install the limit column thread on the inner wall of the internal threaded barrel so that the outer wall of the limit column can limit the lower mold assembly, which is conducive to the rapid limit installation and placement of the lower mold assembly. The upper mold assembly can be raised and lowered by turning on the electric cylinder, which is convenient for rapid adjustment of the position of the upper mold assembly. When demoulding, the rotating plate can rotate along the upper edge of the right end of the fixed plate, which is convenient for demoulding;

[0015] 3. When installing the lower mold, the inner wall of the second through hole is fitted with the outer wall of the limiting column, which is conducive to the rapid positioning and installation of the lower mold. The third fixed block fixes the mounting block, and the mounting block is fixed to the lower mold, so that the lower mold can be suspended and fixed on the third fixed block, thereby realizing the rapid suspended installation of the lower mold. At the same time, the limiting rod can limit the lower mold, and the limiting rod is also limited by the fourth through hole on the mounting block, thereby realizing the rapid positioning and installation of the lower mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is a three-dimensional structural schematic diagram of a positioning and alignment structure of an injection mold of the utility model;

[0017] Figure 2 What is shown is a three-dimensional structural schematic diagram of a support component of a positioning and alignment structure of an injection mold of the utility model;

[0018] Figure 3 The three-dimensional structure schematic diagram of the lifting component of the positioning and alignment structure of the injection mold of the utility model is shown;

[0019] Figure 4 What is shown is a three-dimensional structural schematic diagram of an upper mold component of a positioning and alignment structure of an injection mold of the utility model;

[0020] Figure 5The present invention shows a schematic diagram of the three-dimensional split structure of a lower mold component and a positioning and alignment component of a positioning and alignment structure of an injection mold of the present invention;

[0021] Figure 6 What is shown is a three-dimensional structural schematic diagram of a fixing component of a positioning and alignment structure of an injection mold of the utility model.

[0022] The marks in the accompanying drawings are: 1-support assembly, 101-bottom plate, 102-inner threaded cylinder, 103-limiting column, 2-lifting assembly, 201-support body, 202-fixed plate, 203-bearing block, 204-rotating plate, 205-electric cylinder, 3-upper mold assembly, 301-upper mold, 302-first fixed block, 303-first through hole, 304-injection cylinder, 305-second fixed block, 4-lower mold assembly, 401-lower mold, 402-lower mold groove, 403-second through hole, 404-third through hole, 5-fixed assembly, 501-third fixed block, 502-mounting block, 503-fourth through hole, 504-limiting rod, 6-positioning alignment assembly, 601-positioning block, 602-positioning column, 603-first alignment block, 604-second alignment block. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] See also Figure 1 The utility model provides an embodiment: a positioning and alignment structure of an injection mold, comprising a support component 1; further comprising a lifting component 2, an upper mold component 3, a lower mold component 4, a fixing component 5 and a positioning and alignment component 6; a lifting component 2 for lifting is arranged at the upper end of the support component 1; an upper mold component 3 for injection is arranged at the lower end of the lifting component 2; a lower mold component 4 for injection is arranged above the support component 1; a fixing component 5 for fixing the lower mold component 4 is arranged at the upper end of the support component 1; a positioning and alignment component 6 for limiting and aligning the upper mold component 3 is movably arranged at the upper end of the support component 1.

[0025] See also Figure 2 In this embodiment, the support assembly 1 includes a base plate 101, an internal threaded tube 102 and a limiting column 103; a symmetrical internal threaded tube 102 is fixedly connected to the upper end of the base plate 101; and the limiting column 103 is threadedly installed on the inner wall of the internal threaded tube 102.

[0026] See also Figure 3In this embodiment, the lifting assembly 2 includes a support body 201, a fixed plate 202, a bearing block 203, a rotating plate 204 and an electric cylinder 205; the upper end of the bottom plate 101 is fixedly connected to the support body 201; the right end of the support body 201 is fixedly connected to the fixed plate 202; the right end of the fixed plate 202 is fixedly connected to the bearing block 203; the upper end of the fixed plate 202 is hingedly connected to the rotating plate 204; the lower end of the rotating plate 204 is fitted with the upper end of the bearing block 203; the upper end of the rotating plate 204 is fixedly connected to the electric cylinder 205; the lower end of the telescopic rod of the electric cylinder 205 passes through the rotating plate 204 and extends to the bottom of the rotating plate 204.

[0027] See also Figure 4 In this embodiment, the upper mold assembly 3 includes an upper mold 301, a first fixed block 302, a first through hole 303, an injection cylinder 304 and a second fixed block 305; the lower end of the telescopic rod of the electric cylinder 205 is fixedly connected to the upper mold 301; the middle of the front and rear ends of the upper mold 301 is fixedly connected to the first fixed block 302; the upper and lower ends of the first fixed block 302 are penetrated by a first through hole 303; the right end of the upper mold 301 is fixedly connected to the injection cylinder 304; the front and rear ends of the upper mold 301 are fixedly connected to a symmetrical second fixed block 305; the inner wall of the first through hole 303 and the outer wall of the limiting column 103 are in the same plane.

[0028] See also Figure 5 In this embodiment, the lower mold assembly 4 includes a lower mold 401, a lower mold groove 402, a second through hole 403 and a third through hole 404; the lower mold 401 is movably arranged above the bottom plate 101; the upper end of the lower mold 401 is provided with a lower mold groove 402; symmetrical second through holes 403 are provided through the upper and lower ends of the lower mold 401; the inner wall of the second through hole 403 is in contact with the outer wall of the limiting column 103; the third through holes 404 are provided through the four corners of the upper and lower ends of the lower mold 401; the positioning and alignment assembly 6 includes a positioning block 601, a positioning column 602, a first alignment block 60 3 and the second alignment block 604; the upper end of the bottom plate 101 is fixedly connected with a positioning block 601; the inner wall of the third through hole 404 is movably provided with a positioning column 602; the lower part of the outer wall of the positioning column 602 is threadedly mounted with a first alignment block 603; the upper part of the outer wall of the positioning column 602 is threadedly mounted with a second alignment block 604; the first alignment block 603 and the second alignment block 604 are of the same structure; the first alignment block 603 is in an "L"-shaped structure; the inner wall of the first alignment block 603 is matched with the outer wall of the second fixed block 305; the inner wall of the first alignment block 603 is matched with the outer wall corner of the positioning block 601.

[0029] See also Figure 6In this embodiment, the fixing assembly 5 includes a third fixing block 501, a mounting block 502, a fourth through hole 503 and a limiting rod 504; a symmetrical third fixing block 501 is fixedly connected to the upper end of the bottom plate 101; the end of the third fixing block 501 close to the lower mold 401 is fixedly connected to the mounting block 502 by bolts; symmetrical fourth through holes 503 are penetrated through the upper and lower ends of the mounting block 502; the upper end of the bottom plate 101 is fixedly connected to uniformly distributed limiting rods 504; the outer wall of the limiting rod 504 is fitted with the inner wall of the fourth through hole 503; the outer wall of the limiting rod 504 also penetrates the upper and lower ends of the lower mold 401 and extends to the top of the lower mold 401; the lower end of the mounting block 502 is fixedly connected to the upper end of the lower mold 401.

[0030] During operation, when the lower mold 401 is installed, the inner wall of the second through hole 403 is fitted with the outer wall of the limiting column 103, and then the bolt is passed through the third fixing block 501 to fix the mounting block 502. Since the mounting block 502 is fixedly connected to the lower mold 401, the lower mold 401 can be suspended and fixed on the third fixing block 501, so that the lower mold 401 can be quickly suspended and installed. At the same time, the limiting rod 504 can limit the lower mold 401, and the limiting rod 504 is also limited by the fourth through hole 503 on the mounting block 502;

[0031] The electric cylinder 205 is turned on to lift the upper mold 301. After the upper mold 301 is lowered, the inner wall of the first through hole 303 fits with the outer wall of the limiting column 103. The injection cylinder 304 is used to inject the interior of the upper mold 301. The hot melt plastic also flows into the interior of the lower mold groove 402 on the lower mold 401.

[0032] When the upper mold 301 moves downward, and finally the lower end of the upper mold 301 is fitted with the upper end of the lower mold 401, when the right-angled outer wall of the second fixed block 305 is fitted with the right-angled inner wall of the second alignment block 604, the second alignment block 604 can limit the second fixed block 305 to achieve the alignment and placement of the upper mold 301. At the same time, since the inner wall of the first alignment block 603 is adapted to the outer wall corner of the positioning block 601, the positioning column 602 can be positioned and placed, thereby achieving the positioning and placement of the second alignment block 604, and realizing the rapid limit alignment of the upper mold 301.

[0033] When it is necessary to disassemble the first alignment block 603 and the second alignment block 604, lift the positioning column 602 upwards, and the first alignment block 603 and the second alignment block 604 can be disassembled and assembled through the threaded action. Timely replacement of the new first alignment block 603 and the second alignment block 604 is helpful to improve the accuracy of the limiting of the second fixed block 305, thereby improving the limiting alignment effect of the upper mold 301. During demolding, the rotating plate 204 can rotate along the upper edge of the right end of the fixed plate 202, which facilitates the demolding work.

[0034] Through the above steps, when in use, the alignment structure on the positioning and alignment component 6 can be quickly replaced by rotating the positioning and alignment component 6, the lifting component 2 is opened to make the upper mold component 3 descend to the upper end of the lower mold component 4, and the upper mold component 3 is limited and aligned by using the positioning and alignment component 6, which is conducive to the rapid alignment and placement of the upper mold component 3 and the lower mold component 4. At the same time, the support component 1 can limit the lower mold component 4, which is conducive to the stable installation of the lower mold component 4. This solves the problem that during the use of the injection mold, if the positioning and alignment structure cannot limit the upper mold, it is not conducive to the precise positioning of the mold structure during use, affecting the alignment and installation effect of the mold.

[0035] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A positioning and alignment structure for an injection mold, comprising a support assembly (1); characterized in that: The support assembly (1) further comprises a lifting assembly (2), an upper die assembly (3), a lower die assembly (4), a fixing assembly (5) and a positioning and alignment assembly (6); the upper end of the support assembly (1) is provided with a lifting assembly (2) for lifting; the lower end of the lifting assembly (2) is provided with an upper die assembly (3) for injection molding; the upper end of the support assembly (1) is provided with a lower die assembly (4) for injection molding; the upper end of the support assembly (1) is provided with a fixing assembly (5) for fixing the lower die assembly (4); the upper end of the support assembly (1) is movably provided with a positioning and alignment assembly (6) for limiting and aligning the upper die assembly (3); the support assembly (1) comprises a bottom plate (101), an internally threaded cylinder (102) and a limiting column (103); the upper end of the bottom plate (101) is fixedly connected to a symmetrical internal threaded cylinder (102); the inner wall of the internal threaded cylinder (102) is threadedly installed with a limiting column (103); the lifting assembly (2) comprises a support body (201), a fixed plate (202), a bearing block (203), a rotating plate (204) and an electric cylinder (205); the upper end of the bottom plate (101) is fixedly connected to the support body (201); the right end of the support body (201) is fixedly connected to the fixed plate (202); the right end of the fixed plate (202) is fixedly connected to the bearing block (203); the upper end of the fixed plate (202) is hingedly connected to the rotating plate (204); the lower end of the rotating plate (204) and the upper end of the bearing block (203) are in contact with each other; The upper end of the rotating plate (204) is fixedly connected to an electric cylinder (205); the lower end of the telescopic rod of the electric cylinder (205) passes through the rotating plate (204) and extends to the bottom of the rotating plate (204); the upper mold assembly (3) comprises an upper mold (301), a first fixed block (302), a first through hole (303), an injection cylinder (304) and a second fixed block (305); the lower end of the telescopic rod of the electric cylinder (205) is fixedly connected to the upper mold (301); the middle part of the front and rear ends of the upper mold (301) is fixedly connected to the first fixed block (302); the upper and lower ends of the first fixed block (302) are penetrated by a first through hole (303); the right end of the upper mold (301) is fixedly connected to the injection cylinder (304); the front and rear ends of the upper mold (301) are fixedly connected to the symmetrical second fixed blocks (305); the first through hole (303) is formed through the first through hole (303); the injection cylinder (304) is fixedly connected to the right end of the upper mold (301); the front and rear ends of the upper mold (301) are fixedly connected to the symmetrical second fixed blocks (305); the first through hole (303) is formed through the first through hole (303); the injection cylinder (304) is fixedly connected to ... The inner wall of the hole (303) and the outer wall of the limiting column (103) are in the same plane, the lower mold assembly (4) comprises a lower mold (401), a lower mold groove (402), a second through hole (403) and a third through hole (404); the lower mold (401) is movably arranged above the bottom plate (101); the upper end of the lower mold (401) is provided with a lower mold groove (402); symmetrical second through holes (403) are provided through the upper and lower ends of the lower mold (401); the inner wall of the second through hole (403) and the outer wall of the limiting column (103) are fitted; the third through holes (404) are provided through the four corners of the upper and lower ends of the lower mold (401); the positioning and alignment assembly (6) comprises a positioning block (601), a positioning column (602), a first alignment block (603) and a second alignment block (604);A positioning block (601) is fixedly connected to the upper end of the bottom plate (101); a positioning column (602) is movably provided on the inner wall of the third through hole (404); a first alignment block (603) is threadedly installed on the lower part of the outer wall of the positioning column (602); a second alignment block (604) is threadedly installed on the upper part of the outer wall of the positioning column (602); the first alignment block (603) and the second alignment block (604) are of the same structure; the first alignment block (603) is in an "L"-shaped structure; the inner wall of the first alignment block (603) is matched with the outer wall of the second fixing block (305); the inner wall of the first alignment block (603) is matched with the outer wall corner of the positioning block (601). ; 2. The positioning and alignment structure of an injection mold according to claim 1, characterized in that: The fixing assembly (5) comprises a third fixing block (501), a mounting block (502), a fourth through hole (503) and a limiting rod (504); the upper end of the bottom plate (101) is fixedly connected to a symmetrical third fixing block (501); one end of the third fixing block (501) close to the lower mold (401) is fixedly connected to the mounting block (502) by bolts; symmetrical fourth through holes (503) are penetrated through the upper and lower ends of the mounting block (502); the upper end of the bottom plate (101) is fixedly connected to uniformly distributed limiting rods (504); the outer wall of the limiting rod (504) is fitted with the inner wall of the fourth through hole (503); the outer wall of the limiting rod (504) also penetrates the upper and lower ends of the lower mold (401) and extends to the upper part of the lower mold (401); the lower end of the mounting block (502) is fixedly connected to the upper end of the lower mold (401).

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