阅读说明：本技术 一种注塑用快速定位治具 (Quick positioning jig for injection molding ) 是由 罗开富 罗健 熊忠银 罗成 于 2020-10-27 设计创作，主要内容包括：本发明公开了一种注塑用快速定位治具,涉及模具治具装置领域,针对现有的注塑生产工艺因中模具更换定位困难导致操作繁琐的问题,现提出如下方案,其包括上模具,所述上模具的底端匹配安装有下模具,且所述上模具和下模具互相远离的两端均匹配安装有固定板,所述固定板、上模具和下模具均呈水平状,且所述上模具和下模具互相远离的两端均开设有第一螺纹孔,所述第一螺纹孔内均螺纹连接有螺丝,且所述螺丝均贯穿于固定板,所述固定板互相远离的两端均匹配安装有机架板,且所述机架板呈水平状。本发明结构新颖,且该装置操作便捷、省力且安全可靠,有效的解决了注塑生产工艺因中模具更换定位困难导致操作繁琐的问题。(The invention discloses a quick positioning jig for injection molding, which relates to the field of mold jig devices, and aims to solve the problem of complex operation caused by difficulty in replacement and positioning of a middle mold in the existing injection molding production process. The invention has novel structure, and the device has convenient operation, labor saving, safety and reliability, and effectively solves the problem of complicated operation caused by difficult replacement and positioning of the middle die in the injection molding production process.)

1. A quick positioning jig for injection molding comprises an upper mold (1) and is characterized in that a lower mold (2) is installed at the bottom end of the upper mold (1) in a matched mode, fixing plates (3) are installed at two mutually far ends of the upper mold (1) and the lower mold (2) in a matched mode, the fixing plates (3), the upper mold (1) and the lower mold (2) are all in a horizontal shape, first threaded holes (4) are formed in two mutually far ends of the upper mold (1) and the lower mold (2), screws (5) are connected in the first threaded holes (4) in a threaded mode, the screws (5) penetrate through the fixing plates (3), frame plates (6) are installed at two mutually far ends of the fixing plates (3) in a matched mode, the frame plates (6) are in a horizontal shape, round holes (7) are formed in the top ends of the two sets of frame plates (6), just round hole (7) all run through in rack board (6) along vertical direction, the equal fixedly connected with slide bar (8) in both ends that fixed plate (3) kept away from each other, just slide bar (8) all are the slip with round hole (7) and cup joint, second screw hole (11) have all been seted up at the both ends of going up mould (1) and bed die (2), just the both ends of going up mould (1) and bed die (2) are located second screw hole (11) department and all match and install connecting rod (12), connecting rod (12) all are threaded connection with second screw hole (11), just go up and match between mould (1) and the bed die (2) and install positioning frame.

2. The quick positioning jig for injection molding according to claim 1, wherein the circular holes (7) and the sliding rods (8) are symmetrically distributed about the frame plate (6), the two ends of the frame plate (6) far away from each other are located at the circular holes (7) and are respectively provided with a sliding sleeve (9) in a matching manner, and one end of the sliding rod (8) far away from the fixed plate (3) penetrates through the frame plate (6) and the sliding sleeve (9).

3. The quick positioning jig for injection molding according to claim 1, wherein the two ends of the frame plate (6) away from each other are respectively provided with a hydraulic cylinder (10) in a matching manner, the two sets of hydraulic cylinders (10) are perpendicular to the frame plate (6), and piston rods of the two sets of hydraulic cylinders (10) penetrate through the frame plate (6) and are fixedly connected with the fixing plate (3).

4. The quick positioning jig for injection molding according to claim 1, wherein the positioning frame comprises a positioning plate (15), a V-shaped groove (16) is formed in the top end of the positioning plate (15), a circular groove (17) is formed in the bottom end, located at the V-shaped groove (16), of the positioning plate (15), the circular groove (17) and the V-shaped groove (16) are communicated, and the V-shaped groove (16) and the circular groove (17) are symmetrically distributed in relation to the length direction of the positioning plate (15).

5. The quick positioning jig for injection molding according to claim 4, wherein the positioning plates (15) are symmetrically distributed about the upper mold (1) and the lower mold (2), the connecting rods (12) are sleeved in the circular grooves (17), and vertical connecting plates (18) and transverse connecting plates (19) are installed between the positioning plates (15) in a matched manner.

6. The rapid positioning jig for injection molding according to claim 1, wherein a positioning pin (13) is fixedly connected to the top end of the lower mold (2), a positioning hole (14) is formed in the position of the upper mold (1) at the positioning pin (13) in a matching manner, and the positioning pin (13) and the positioning hole (14) are symmetrically distributed about the upper mold (1).

Technical Field

The invention relates to the field of mold jig devices, in particular to a quick positioning jig for injection molding.

Background

Plastics are a common material, because plastics have good mobility after the heating, therefore plastic products all adopt the mould injection technology to make basically, mould injection moulding is naturally not left the mould equipment, mould equipment divide into two parts, the equipment principal of control mould deciliter, by the frame, hydraulic drive system, switch board and cooling system etc. constitute, secondly the mould itself, the purpose of so distributing is in order to save the cost, because the die cavity shape of every group mould is fixed unchangeable, therefore every group mould can only be used for producing a product, when needing to change the product of producing, only need to change corresponding mould can, and equipment principal need not to change.

When current mould equipment carries out the mould and changes, all can relate to the problem of mould installation location, if the mounted position of mould has the deviation, will lead to the mould compound die dislocation to lead to the product flaw, often complex operation and consume a large amount of time when consequently changing the mould, in order to solve above-mentioned problem, we have provided a quick positioning jig for moulding plastics.

Disclosure of Invention

The invention provides a quick positioning jig for injection molding, which solves the problem of complex operation caused by difficulty in replacing and positioning a middle mold in an injection molding production process.

In order to achieve the purpose, the invention adopts the following technical scheme:

a quick positioning jig for injection molding comprises an upper mold, wherein a lower mold is installed at the bottom end of the upper mold in a matching manner, fixing plates are installed at two mutually far ends of the upper mold and the lower mold in a matching manner, the fixing plates, the upper mold and the lower mold are all in a horizontal shape, first threaded holes are formed in the mutually far ends of the upper mold and the lower mold, screws are connected in the first threaded holes in a threaded manner and penetrate through the fixing plates, frame plates are installed at the mutually far ends of the fixing plates in a matching manner and are in a horizontal shape, round holes are formed in the top ends of the two groups of frame plates, the round holes penetrate through the frame plates in the vertical direction, slide rods are fixedly connected at the mutually far ends of the fixing plates and are in sliding sleeve joint with the round holes, second threaded holes are formed in the two ends of the upper mold and the lower mold, and the two ends of the upper die and the lower die are positioned at the second threaded hole and are respectively provided with a connecting rod in a matching way, the connecting rods are respectively in threaded connection with the second threaded holes, and a positioning frame is arranged between the upper die and the lower die in a matching way.

Preferably, the round hole and the slide bar are symmetrically distributed about the frame plate, the two ends of the frame plate, which are away from each other, are located at the round hole and are respectively provided with a sliding sleeve in a matched manner, and one end, away from the fixed plate, of the slide bar is respectively penetrated through the frame plate and the sliding sleeve.

Preferably, the hydraulic cylinders are installed at two ends, far away from each other, of the frame plate in a matched mode, the hydraulic cylinders are two groups of hydraulic cylinders are perpendicular to the frame plate, and piston rods of the two groups of hydraulic cylinders penetrate through the frame plate and are fixedly connected with the fixed plate.

Preferably, positioning frame includes the locating plate, just V type groove has been seted up on the top of locating plate, the round slot has been seted up to the bottom that the locating plate is located V type groove, just round slot and V type groove are the intercommunication form, V type groove and round slot are the symmetric distribution about the length direction of locating plate.

Preferably, the positioning plates are symmetrically distributed about the upper die and the lower die, the connecting rods are sleeved in the circular grooves, and vertical connecting plates and transverse connecting plates are installed between the positioning plates in a matched mode.

Preferably, the top end of the lower die is fixedly connected with a positioning pin, the upper die is provided with a positioning hole at the positioning pin in a matching manner, and the positioning pin and the positioning hole are symmetrically distributed about the upper die.

The invention has the beneficial effects that:

1. the device sets up the connecting rod through the both ends at the mould for mould transport and installation operation are more convenient.

2. The device makes the connecting rod on the mould pass through V type groove through the dead weight of utilizing the mould and slides in the circular slot, when connecting rod on last mould and the bed die all is located the circular slot, then uses the positioning frame to make two sets of mould positions self-align as the benchmark, has removed a large amount of manual operation from.

To sum up, the device simple operation, laborsaving and safe and reliable, the effectual production technology of having solved moulds plastics leads to complex operation's problem because of the mould changes the location difficulty.

Drawings

Fig. 1 is a sectional view of an assembly structure of the present invention.

Fig. 2 is a front view of the positioning frame of the present invention.

Fig. 3 is a side view of the positioning frame of the present invention.

Reference numbers in the figures: 1. an upper die; 2. a lower die; 3. a fixing plate; 4. a first threaded hole; 5. a screw; 6. a frame plate; 7. a circular hole; 8. a slide bar; 9. a sliding sleeve; 10. a hydraulic cylinder; 11. a second threaded hole; 12. a connecting rod; 13. a positioning pin; 14. positioning holes; 15. positioning a plate; 16. a V-shaped groove; 17. a circular groove; 18. a vertical connecting plate; 19. a transverse connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a quick positioning jig for injection molding comprises an upper mold 1, a lower mold 2 is installed at the bottom end of the upper mold 1 in a matching manner, fixing plates 3 are installed at the two mutually distant ends of the upper mold 1 and the lower mold 2 in a matching manner, the fixing plates 3, the upper mold 1 and the lower mold 2 are all horizontal, first threaded holes 4 are formed at the mutually distant ends of the upper mold 1 and the lower mold 2, screws 5 are connected with the first threaded holes 4 in a threaded manner, the screws 5 penetrate through the fixing plates 3, frame plates 6 are installed at the mutually distant ends of the fixing plates 3 in a matching manner, the frame plates 6 are horizontal, circular holes 7 are formed at the top ends of the two sets of frame plates 6, the circular holes 7 penetrate through the frame plates 6 in the vertical direction, slide bars 8 are fixedly connected at the mutually distant ends of the fixing plates 3, the slide bars 8 are all in sliding sleeve joint with the round holes 7, the two ends of the upper die 1 and the lower die 2 are both provided with second threaded holes 11, the two ends of the upper die 1 and the lower die 2 are positioned at the second threaded holes 11 and are both provided with connecting rods 12 in a matched manner, the connecting rods 12 are both in threaded connection with the second threaded holes 11, a positioning frame is arranged between the upper die 1 and the lower die 2 in a matched manner, the round holes 7 and the slide bars 8 are both symmetrically distributed about the frame plate 6, the two ends of the frame plate 6, which are far away from each other, are positioned at the round holes 7 and are both provided with sliding sleeves 9 in a matched manner, one end of the slide bar 8, which is far away from the fixed plate 3, is both penetrated through the frame plate 6 and the sliding sleeves 9, the two ends of the frame plate 6, which are far away from each other, are both provided with hydraulic cylinders 10 which are mutually perpendicular to the frame plate 6, and piston, positioning frame includes locating plate 15, just V type groove 16 has been seted up on the top of locating plate 15, round slot 17 has been seted up to the bottom that locating plate 15 is located V type groove 16, just round slot 17 and V type groove 16 are the intercommunication form, V type groove 16 and round slot 17 are the symmetric distribution about the length direction of locating plate 15, locating plate 15 is the symmetric distribution about last mould 1 and bed die 2, just connecting rod 12 all cup joints in round slot 17, match between the locating plate 15 and install vertical connecting plate 18 and transverse connection board 19, 2 top fixedly connected with locating pin 13 of bed die, just it has seted up locating hole 14 to go up mould 1 to be located the matching of locating pin 13, locating pin 13 and locating hole 14 are the symmetric distribution about last mould 1.

The working principle is as follows: the device is an improvement on the basis of the structure of the existing mould equipment, and a novel positioning frame is added to assist the mould to perform quick positioning;

the operation flow of the device is that, assuming that the long-time mold on the mold equipment is dismantled at the moment, the piston rods of the two sets of hydraulic cylinders 10 of the device are all retracted, so that the distance between the two sets of fixing plates 3 reaches the maximum, the connecting rods 12 are screwed into the two ends of the first mold 1 and the second mold 2 through the second threaded holes 11, the lower mold 2 is placed on the fixing plate 3 at the lower part of the device through the connecting rods 12 by using manpower or hoisting equipment, the lower hydraulic cylinder 10 at the lower part is independently started to lift the lower fixing plate 3 and the lower mold 2 at the moment, the screws 5 are screwed on the lower mold 2 through the bottom ends of the fixing plates 3 (not to be completely screwed), then the fixing plates and the lower mold 2 are lowered to the lowest position through the lower hydraulic cylinder 10, the upper mold 1 is also installed on the fixing plate 3 at the upper part through the connecting rods 12 (also the screws 5 are not to be completely screwed), the positioning plates 15 at the bottom end, and the connecting rod 12 slides into the circular groove 17 (the matching precision of the circular groove 17 and the connecting rod 12 should be improved as much as possible), the upper fixing plate 3 and the upper die 1 are slowly lowered down through the hydraulic cylinder 10 at the upper part, so that the connecting rod 12 on the upper die 1 slides into the circular groove 17 through the V-shaped groove 16, at the moment, the upper die 1 and the lower die 2 complete positioning through the positioning frame, all the screws 5 are screwed, the upper die 1 is lifted and taken out of the positioning frame, the die is trial-fitted and the position of the positioning pin 13 and the positioning hole 14 is observed to be accurate, and the machine can be started for use without scratching the positioning pin 13 in the positioning hole 14.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.