CN217373193U

CN217373193U - Mold frame accurate in positioning

Info

Publication number: CN217373193U
Application number: CN202220028827.3U
Authority: CN
Inventors: 李绍濠; 马耀正; 李敏瑜
Original assignee: Foshan Nanhai Snyder Precision Machinery Co ltd
Current assignee: Foshan Nanhai Snyder Precision Machinery Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-09-06
Anticipated expiration: 2032-01-04

Abstract

The utility model relates to the technical field of injection mold bases, in particular to a mold base with accurate positioning, which comprises an upper mold base and a lower mold base arranged below the upper mold base, wherein the bottom of the upper mold base is fixedly connected with a die head, the top of the lower mold base is provided with a die groove, the die head is matched with the die groove, the top outer wall of the lower mold base is provided with a second positioning groove, the bottom outer wall of the upper mold base is fixedly connected with a second positioning block, the second positioning block is matched with the second positioning groove, the top outer wall of the lower mold base is fixedly connected with a third positioning block, the bottom outer wall of the upper mold base is provided with a third positioning groove, the utility model can ensure the quality of injection molding products, and simultaneously, the second positioning block and the third positioning block are both composed of two groups of semicircular parts and a rectangular part, therefore, the two groups of semicircular parts are in arc surface contact in the process of mold closing, and the impact loss of mold closing can be reduced as much as possible, the service life of the whole die carrier is effectively prolonged.

Description

Accurate die carrier fixes a position

Technical Field

The utility model relates to a die carrier technical field of moulding plastics specifically is an accurate die carrier fixes a position.

Background

Injection molding is an important molding method in plastic processing, and is widely applied in various fields of industrial production, an injection mold frame is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate sizes, and the injection molding is a processing method used for batch production of parts with complex shapes, and particularly refers to a method for injecting heated and molten plastic into a mold cavity from an injection molding machine at high pressure, and obtaining the molding after cooling and solidification.

Want to obtain accurate product in injection mold production process, then must fix a position the mould, current die carrier location effect is unsatisfactory, fix a position inaccurately, consequently can influence the degree of accuracy of mould production for the flaw appears in the product of producing and can not use, when injection mold can not the compound die, rigidity striking problem appears very easily, thereby can damage the mould, has not only caused the wasting of resources, has reduced production efficiency moreover, increase cost. Therefore, a mold frame with precise positioning is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fix a position accurate die carrier to solve the problem that proposes in the above-mentioned background art.

The technical scheme of the utility model is that: the utility model provides a die carrier of location accuracy, includes the die carrier and set up in go up the lower die carrier of die carrier below, the bottom fixedly connected with die head of going up the die carrier, the die cavity has been seted up at the top of lower die carrier, the die head with the die cavity cooperatees, the second constant head tank has been seted up to the top outer wall of lower die carrier, the bottom outer wall fixedly connected with second locating piece of going up the die carrier, the second locating piece with the second constant head tank cooperatees, the top outer wall fixedly connected with third locating piece of die carrier down, the third constant head tank has been seted up to the bottom outer wall of going up the die carrier, the third locating piece with the third constant head tank is mutually supported.

Preferably, the second positioning block comprises two semicircular parts and two rectangular parts, and the two semicircular parts are respectively located at two sides of the rectangular part.

Preferably, the outer wall of one side of the upper die carrier and the outer wall of one side of the lower die carrier are fixedly connected with first positioning blocks, the outer wall of one side of the upper die carrier and the outer wall of one side of the lower die carrier are provided with first positioning grooves, the first positioning grooves are matched with the edges of the upper die carrier and the lower die carrier, and the first positioning grooves are matched with the first positioning blocks.

Preferably, the outer wall of the bottom of the upper die frame is fixedly connected with a second positioning column, the top of the lower die frame is provided with a positioning hole, and the second positioning column is matched with the positioning hole.

Preferably, go up the die carrier with the equal fixedly connected with first locating post in one side of die carrier down, go up the die carrier with the slot has all been seted up to one side of die carrier down, the circumference inner wall fixedly connected with holding ring of slot, the internal diameter of holding ring with the diameter of first locating post is the same, the inside of slot is provided with elastic component.

Preferably, the elastic assembly comprises a spring fixedly connected to the inner wall of the bottom of the slot, one end of the spring, far away from the slot, is fixedly connected with a pressing plate, and one side of the pressing plate is provided with a sliding assembly.

Preferably, the sliding assembly comprises a connecting rod fixedly connected to the outer wall of the top of the pressing plate, a sliding block is fixedly connected to one end of the connecting rod, a sliding groove is formed in the inner wall of the circumference of the slot, and the sliding block is connected with the sliding groove in a sliding mode.

The utility model discloses an improve and provide an accurate die carrier fixes a position here, compare with prior art, have following improvement and advantage:

one is as follows: the utility model discloses a first locating piece that sets up, first constant head tank, the second locating piece, the second constant head tank, the third locating piece, the third constant head tank, second reference column and locating hole, when the die head of upper die carrier bottom carries out the compound die with the die cavity at lower die carrier top, through the mutually supporting of first locating piece and first constant head tank, the mutually supporting of second locating piece and second constant head tank, the mutually supporting of third locating piece and third constant head tank, the cooperation of second reference column and locating hole can make it carry out accurate compound die, the quality of injection moulding product has been guaranteed, simultaneously second locating piece and third locating piece are constituteed by two sets of semicircle portions and rectangle portion, consequently two sets of semicircle portions are the cambered surface contact in the process of compound die, can reduce compound die striking loss as far as possible, the effectual life who prolongs whole die carrier;

the second step is as follows: the utility model discloses a first reference column that sets up, the slot, elastic component and slip subassembly, can insert inside the slot and exert pressure to the clamp plate at the in-process first reference column of last die carrier and lower die carrier compound die, can play good cushioning effect through the spring that sets up in the clamp plate bottom this moment, all play good protection effect to first reference column and whole die carrier, and the elasticity through the spring also makes the drawing of patterns work of die carrier more convenient, the in-process slider that pushes down at the clamp plate can slide inside the spout, thereby can guarantee that the in-process that the clamp plate pushed down can not take place to rock.

Drawings

The invention is further explained below with reference to the figures and examples:

FIG. 1 is a schematic view of the overall structure of an upper mold frame and a lower mold frame of the present invention;

fig. 2 is a schematic bottom view of the upper mold frame of the present invention;

FIG. 3 is a schematic cross-sectional view of the slot of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

Description of reference numerals:

1. feeding a mold frame; 2. a first positioning post; 3. a first positioning block; 4. a positioning ring; 5. a first positioning groove; 6. a die cavity; 7. a second positioning groove; 8. a third positioning block; 9. positioning holes; 10. a lower die frame; 11. a die head; 12. a second positioning block; 13. a third positioning groove; 14. a second positioning column; 15. a connecting rod; 16. a spring; 17. pressing a plate; 18. a slider; 19. inserting slots; 20. a chute.

Detailed Description

The present invention will be described in detail below, and it is apparent that the technical solutions in the embodiments of the present invention are described clearly and completely. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses an improve and provide an accurate die carrier fixes a position here, the technical scheme of the utility model is:

as shown in fig. 1-4, a mold base with accurate positioning comprises an upper mold base 1 and a lower mold base 10 arranged below the upper mold base 1, wherein a die head 11 is fixedly connected to the bottom of the upper mold base 1, a mold groove 6 is formed in the top of the lower mold base 10, the die head 11 is matched with the mold groove 6, a second positioning groove 7 is formed in the outer wall of the top of the lower mold base 10, a second positioning block 12 is fixedly connected to the outer wall of the bottom of the upper mold base 1, the second positioning block 12 is matched with the second positioning groove 7, a third positioning block 8 is fixedly connected to the outer wall of the top of the lower mold base 10, a third positioning groove 13 is formed in the outer wall of the bottom of the upper mold base 1, and the third positioning block 8 is matched with the third positioning groove 13.

Further, the second positioning block 12 comprises a semicircular part and a rectangular part, the number of the semicircular parts is two sets, the two sets of semicircular parts are respectively located on two sides of the rectangular part, and the second positioning block 12 comprises the two sets of semicircular parts and the rectangular part, so that the two sets of semicircular parts are in arc surface contact in the die assembly process, the die assembly impact loss can be reduced as far as possible, and the service life of the whole die carrier is effectively prolonged.

Further, go up the equal fixedly connected with first locating piece 3 of one side outer wall of die carrier 1 and lower die carrier 10, go up die carrier 1 and all seted up first constant head tank 5 with one side outer wall of lower die carrier 10, first constant head tank 5 and the edge of last die carrier 1 and lower die carrier 10, first constant head tank 5 cooperatees with first locating piece 3.

Furthermore, the outer wall of the bottom of the upper die frame 1 is fixedly connected with a second positioning column 14, the top of the lower die frame 10 is provided with a positioning hole 9, the second positioning column 14 is matched with the positioning hole 9, when the die head 11 at the bottom of the upper die frame 1 is matched with the die groove 6 at the top of the lower die frame 10, the first positioning block 3 is matched with the first positioning groove 5, the second positioning block 12 is matched with the second positioning groove 7, the third positioning block 8 is matched with the third positioning groove 13, and the second positioning column 14 is matched with the positioning hole 9 to accurately match the die, so that the quality of injection molding products is ensured.

Further, go up the equal fixedly connected with in one side of mold carrier 1 and lower mold carrier 10 first locating post 2, go up mold carrier 1 and one side of lower mold carrier 10 and all seted up slot 19, slot 19's circumference inner wall fixedly connected with holding ring 4, the internal diameter of holding ring 4 is the same with the diameter of first locating post 2, and slot 19's inside is provided with elastic component.

Further, elastic component includes spring 16 of fixed connection at slot 19 bottom inner wall, spring 16 keeps away from slot 19's one end fixedly connected with clamp plate 17, one side of clamp plate 17 is provided with the slip subassembly, at last die carrier 1 with die carrier 10 compound die's in-process first reference column 2 can insert inside slot 19 and exert pressure to clamp plate 17, can play good cushioning effect through spring 16 that sets up in clamp plate 17 bottom this moment, all play good protection effect to first reference column 2 and whole die carrier, and the drawing of patterns work that also makes the die carrier through spring 16 is more convenient.

Further, the sliding assembly includes connecting rod 15 of fixed connection at the outer wall of clamp plate 17 top, and connecting rod 15's one end fixedly connected with slider 18, slot 19's circumference inner wall has been seted up spout 20, slider 18 and spout 20 sliding connection, and the in-process slider 18 that pushes down at clamp plate 17 can slide in spout 20 is inside to can guarantee that the in-process that clamp plate 17 pushed down can not take place to rock.

The working principle is as follows: when the die head 11 at the bottom of the upper die carrier 1 and the die slot 6 at the top of the lower die carrier 10 are matched, the first positioning block 3 and the first positioning slot 5 are matched, the second positioning block 12 and the second positioning slot 7 are matched, the third positioning block 8 and the third positioning slot 13 are matched, and the second positioning column 14 and the positioning hole 9 are matched, so that the precise die matching can be carried out, the quality of an injection product is ensured, meanwhile, the second positioning block 12 and the third positioning block 8 are both composed of two groups of semicircular parts and rectangular parts, so that the two groups of semicircular parts are in arc surface contact in the die matching process, the impact loss of die matching can be reduced as much as possible, the service life of the whole die carrier is effectively prolonged, the first positioning column 2 can be inserted into the slot 19 and applies pressure to the press plate 17 in the die matching process of the upper die carrier 1 and the lower die carrier 10, and a good buffering effect can be achieved through the spring 16 arranged at the bottom of the press plate 17, all play good protection effect to first reference column 2 and whole die carrier, and also make the drawing of patterns work of die carrier more convenient through spring 16's elasticity, the in-process slider 18 that pushes down at clamp plate 17 can slide inside spout 20 to can guarantee that the in-process that clamp plate 17 pushed down can not take place to rock.

In the description of the present invention, it should be noted that the terms mounted, connected and the like are to be understood broadly unless otherwise explicitly specified and limited, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or 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.

Claims

1. The utility model provides a mould frame of location accuracy which characterized in that: including last die carrier (1) and set up in go up lower die carrier (10) of die carrier (1) below, the bottom fixedly connected with die head (11) of going up die carrier (1), die cavity (6) have been seted up at the top of lower die carrier (10), die head (11) with die cavity (6) cooperate, second constant head tank (7) have been seted up to the top outer wall of lower die carrier (10), the bottom outer wall fixedly connected with second locating piece (12) of going up die carrier (1), second locating piece (12) with second constant head tank (7) cooperate, the top outer wall fixedly connected with third locating piece (8) of die carrier (10) down, third constant head tank (13) have been seted up to the bottom outer wall of going up die carrier (1), third locating piece (8) with third constant head tank (13) cooperate each other.

2. The scaffold of claim 1, wherein the scaffold is capable of being accurately positioned: the second positioning block (12) comprises semicircular parts and rectangular parts, the number of the semicircular parts is two, and the two semicircular parts are respectively positioned on two sides of the rectangular part.

3. The scaffold of claim 1, wherein the scaffold is capable of being accurately positioned: go up die carrier (1) with equal fixedly connected with first locating piece (3) of one side outer wall of lower die carrier (10), go up die carrier (1) with first constant head tank (5) have all been seted up to one side outer wall of lower die carrier (10), first constant head tank (5) with go up die carrier (1) with the edge of lower die carrier (10), first constant head tank (5) with cooperate in first locating piece (3).

4. The die carrier of claim 1, wherein the die carrier is capable of being accurately positioned: the outer wall of the bottom of the upper die frame (1) is fixedly connected with a second positioning column (14), the top of the lower die frame (10) is provided with a positioning hole (9), and the second positioning column (14) is matched with the positioning hole (9).

5. The scaffold of claim 1, wherein the scaffold is capable of being accurately positioned: go up die carrier (1) with equal fixedly connected with first holding column (2) in one side of die carrier (10) down, go up die carrier (1) with slot (19) have all been seted up in one side of die carrier (10) down, the circumference inner wall fixedly connected with holding ring (4) of slot (19), the internal diameter of holding ring (4) with the diameter of first holding column (2) is the same, the inside of slot (19) is provided with elastic component.

6. The scaffold of claim 5, wherein the scaffold is capable of being accurately positioned: the elastic assembly comprises a spring (16) fixedly connected to the inner wall of the bottom of the slot (19), one end of the spring (16) far away from the slot (19) is fixedly connected with a pressing plate (17), and a sliding assembly is arranged on one side of the pressing plate (17).

7. The scaffold of claim 6, wherein the scaffold is capable of being accurately positioned: the sliding assembly comprises a connecting rod (15) fixedly connected to the outer wall of the top of the pressing plate (17), a sliding block (18) is fixedly connected to one end of the connecting rod (15), a sliding groove (20) is formed in the inner wall of the circumference of the slot (19), and the sliding block (18) is connected with the sliding groove (20) in a sliding mode.