CN212045701U

CN212045701U - Double-guide device for injection mold frame

Info

Publication number: CN212045701U
Application number: CN201921434603.7U
Authority: CN
Inventors: 邹泽深
Original assignee: Individual
Current assignee: Suzhou Jifuli Machinery Co ltd
Priority date: 2019-08-31
Filing date: 2019-08-31
Publication date: 2020-12-01
Anticipated expiration: 2029-08-31

Abstract

The utility model discloses a two guider of injection mold die carrier, including movable mould mechanism and cover half mechanism, the lower extreme of movable mould mechanism and the upper end combined use of cover half mechanism, the upper end of movable mould mechanism is provided with the movable mould bedplate, the lower extreme fixed mounting of movable mould bedplate has the movable mould board, the bottom middle part fixedly connected with movable mould of movable mould board, and the bottom outer fringe fixedly connected with guide pillar of movable mould board, spring and ball cover have been cup jointed in the top of guide pillar and the below activity respectively, be provided with the elasticity holder between the surface of ball cover inner surface and guide pillar, roll connection has the ball on the elasticity holder, the lower extreme of cover half mechanism is provided with the cover half bedplate, the upper end fixed mounting of cover half bedplate has the fixed die plate, the cover half groove has been seted up at the middle part of. The double-guide device for the injection mold base meets the requirements of guiding and positioning during mold closing of the injection mold, simplifies the mold structure and improves the positioning precision.

Description

Double-guide device for injection mold frame

Technical Field

The utility model relates to an injection moulding equipment technical field specifically is a two guider of injection mold die carrier.

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a processing method used for mass production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.

The traditional injection mold adopts a cylindrical guide pillar and a guide sleeve for guiding in a sliding manner, and has a certain gap, so that the positioning precision is not high, and in order to improve the mold closing precision, an accurate positioning mechanism is designed, and the cost of manufacturing the mold is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two guider of injection mold die carrier has reached the high effect of positioning accuracy.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold die carrier double guide device, includes movable mould mechanism and cover half mechanism, the lower extreme of movable mould mechanism and the upper end combination of cover half mechanism use.

The movable mould mechanism comprises movable mould bedplate, movable mould board, movable mould, guide pillar, spring, ball cover, ball and elastic retainer, the upper end of movable mould mechanism is provided with the movable mould bedplate, the lower extreme fixed mounting of movable mould bedplate has the movable mould board, the bottom middle part fixedly connected with movable mould of movable mould board, just the bottom outer fringe fixedly connected with guide pillar of movable mould board, spring and ball cover have been cup jointed in the activity respectively to the top and the below of guide pillar, be provided with elastic retainer between the surface of ball cover inner surface and guide pillar, the last roll connection of elastic retainer has the ball.

The fixed die mechanism is composed of a fixed die base plate, a fixed die groove and a guide sleeve, the fixed die base plate is arranged at the lower end of the fixed die mechanism, the fixed die plate is fixedly mounted at the upper end of the fixed die base plate, the fixed die groove is formed in the middle of the fixed die plate, and the guide sleeve is formed in the outer edge of the upper end of the fixed die plate.

Preferably, the guide post is divided into an upper section, a middle section and a lower section, the upper section is a short cylinder, the middle section is a circular truncated cone with a large upper part and a small lower part, the lower section is a long cylinder, the diameter of the short cylinder is consistent with that of the upper end of the circular truncated cone, and the diameter of the long cylinder is consistent with that of the lower end of the circular truncated cone.

Preferably, the spring is movably sleeved on the outer sides of the short cylinder and the circular truncated cone, and the ball sleeve is movably sleeved on the outer side of the long cylinder.

Preferably, the upper end of the spring is fixedly connected to the lower surface of the movable template, and the lower end of the spring is fixedly connected to the upper end of the ball sleeve.

Preferably, round holes are formed in the ball sleeve, the balls penetrate through the round holes, the round holes are divided into nine layers, four layers are uniformly distributed, and the number of the balls is 36.

Preferably, the elastic retainer comprises a ball retainer and a connecting wire, the ball retainer is connected through the connecting wire, and the transverse connecting wire is wavy.

Preferably, the number of the guide columns and the guide sleeves is four, the guide columns are arranged at four corners of the bottom end of the movable template, and the guide sleeves are arranged at four corners of the upper end of the fixed template.

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

the double-guide device of the injection mold base achieves the effect of high guide and positioning precision by arranging mechanisms such as the guide pillar, the spring, the ball sleeve, the ball, the elastic retainer, the guide sleeve and the like. The traditional injection mold adopts a cylindrical guide pillar and a guide sleeve for guiding in a sliding manner, and has a certain gap, so that the positioning precision is not high, a precise positioning mechanism is required to be designed for improving the mold closing precision, and the cost of manufacturing the mold is increased. The double-guide device of the injection mold base can gradually reduce the offset in the continuous matching and inserting process of the guide pillar and the guide sleeve, so that the guiding and positioning are more accurate, the positioning precision is improved, and the mold manufacturing cost is reduced.

Drawings

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

FIG. 2 is a schematic view of the guide post and its external structure;

FIG. 3 is a schematic view of the structure of the guide post of the present invention;

fig. 4 is a schematic structural view of the elastic retainer of the present invention.

In the figure: 1 moving die mechanism, 101 moving die base plate, 102 moving die plate, 103 moving die, 104 guide post, 1041 short cylinder, 1042 round table 1042, 1043 long cylinder, 105 spring, 106 ball sleeve, 107 ball, 108 elastic retainer, 1081 ball retainer, 1082 connecting wire, 2 fixed die mechanism, 201 fixed die base plate, 202 fixed die plate, 203 fixed die groove and 204 guide sleeve.

Detailed Description

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

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an injection mold die carrier double guide device, includes movable mould mechanism 1 and cover half mechanism 2, and the lower extreme of movable mould mechanism 1 and the upper end of cover half mechanism 2 are used in combination.

The movable die mechanism 1 comprises a movable die base plate 101, a movable die plate 102, a movable die 103, a guide pillar 104, a spring 105, a ball sleeve 106, balls 107 and an elastic retainer 108, the movable die base plate 101 is arranged at the upper end of the movable die mechanism 1, the movable die plate 102 is fixedly arranged at the lower end of the movable die base plate 101, the movable die 103 is fixedly connected to the middle part of the bottom end of the movable die plate 102, the guide pillar 104 is fixedly connected to the outer edge of the bottom end of the movable die plate 102, the guide pillar 104 is divided into an upper section, a middle section and a lower section, the upper section is a short cylinder 1041, the middle section is a circular truncated cone 1042 with a large upper part and a small lower part, the lower section is a long cylinder 1043, the diameter of the short cylinder 1041 is consistent with the diameter of the upper end of the circular truncated cone 1042, the spring 105 and the ball sleeve 106 are movably sleeved above and below the guide pillar 104 respectively, specifically, the spring 105 is movably sleeved outside, the upper end of the spring 105 is fixedly connected to the lower surface of the movable die plate 102, the lower end of the spring 105 is fixedly connected to the upper end of the ball sleeve 106, the elastic retainer 108 is arranged between the inner surface of the ball sleeve 106 and the outer surface of the guide post 104, the elastic retainer 108 comprises a ball retainer 1081 and a connecting wire 1082, the ball retainers 1081 are connected through the connecting wire 1082, the transverse connecting wire 1082 is wavy, two ends of the longitudinal connecting wire 1082 are Y-shaped, and the ball retainer 1081 is two semicircular rings and has the function of expanding outwards. The elastic retainer 108 is connected with balls 107 in a rolling mode, round holes are formed in the ball sleeve 106, the balls 107 penetrate through the round holes, the round holes are divided into nine layers, each layer is four and is uniformly distributed, and the number of the balls is 36.

The fixed die mechanism 2 comprises a fixed die base plate 201, a fixed die plate 202, a fixed die groove 203 and guide sleeves 204, the fixed die base plate 201 is arranged at the lower end of the fixed die mechanism 2, the fixed die plate 202 is fixedly mounted at the upper end of the fixed die base plate 201, the fixed die groove 203 is formed in the middle of the fixed die plate 202, the guide sleeves 204 are formed in the outer edge of the upper end of the fixed die plate 202, the number of the guide columns 104 and the number of the guide sleeves 204 are four, the guide columns 104 are arranged at four corners of the bottom end of the movable die plate 102, and the guide. The guide column 104, the spring 105, the ball sleeve 106, the balls 107, the elastic retainer 108, the guide sleeve 204 and other mechanisms are arranged, so that the effect of high guiding and positioning precision is achieved. The traditional injection mold adopts a cylindrical guide pillar and a guide sleeve for guiding in a sliding manner, and has a certain gap, so that the positioning precision is not high, a precise positioning mechanism is required to be designed for improving the mold closing precision, and the cost of manufacturing the mold is increased. The double-guide device of the injection mold base can gradually reduce the offset in the continuous matching and inserting process of the guide pillar 104 and the guide sleeve 204, so that the guiding and positioning are more accurate, the positioning precision is improved, and the mold manufacturing cost is reduced.

When the guiding device is used, when the guiding post 104 is matched with the guiding sleeve 204, due to the size of the guiding post 104 and the guiding sleeve 204, the ball sleeve 106 on the guiding post 104 is pressed by the guiding sleeve 204 and moves upwards, the spring 105 is also compressed, and since the guiding post 104 above the ball sleeve 106 is the round platform 1042, the ball retainer 1081 is pressed to expand outwards, the balls 107 also expand outwards and further fit the inner wall of the guiding sleeve 204, so that the guiding and positioning are more accurate.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a two guider of injection mold die carrier, includes movable mould mechanism (1) and cover half mechanism (2), its characterized in that: the lower end of the movable die mechanism (1) and the upper end of the fixed die mechanism (2) are combined for use;

the moving die mechanism (1) comprises a moving die base plate (101), a moving die plate (102), a moving die (103), a guide pillar (104), a spring (105), a ball sleeve (106), balls (107) and an elastic retainer (108), wherein the moving die base plate (101) is arranged at the upper end of the moving die mechanism (1), the moving die plate (102) is fixedly arranged at the lower end of the moving die base plate (101), the moving die (103) is fixedly connected to the middle of the bottom end of the moving die plate (102), the guide pillar (104) is fixedly connected to the outer edge of the bottom end of the moving die plate (102), the spring (105) and the ball sleeve (106) are respectively movably sleeved above and below the guide pillar (104), the elastic retainer (108) is arranged between the inner surface of the ball sleeve (106) and the outer surface of the guide pillar (104), and the balls (107) are connected;

the fixed die mechanism (2) comprises a fixed die base plate (201), a fixed die plate (202), a fixed die groove (203) and a guide sleeve (204), the fixed die base plate (201) is arranged at the lower end of the fixed die mechanism (2), the fixed die plate (202) is fixedly arranged at the upper end of the fixed die base plate (201), the fixed die groove (203) is formed in the middle of the fixed die plate (202), and the guide sleeve (204) is formed in the outer edge of the upper end of the fixed die plate (202).

2. An injection mold frame double guide device according to claim 1, characterized in that: the guide post (104) is divided into an upper section, a middle section and a lower section, the upper section is a short cylinder (1041), the middle section is a round table (1042) with a larger upper part and a smaller lower part, the lower section is a long cylinder (1043), the diameter of the short cylinder (1041) is consistent with the diameter of the upper end of the round table (1042), and the diameter of the long cylinder (1043) is consistent with the diameter of the lower end of the round table (1042).

3. An injection mold carrier dual guidance as claimed in claim 1 or 2, wherein: the spring (105) is movably sleeved on the outer sides of the short cylinder (1041) and the circular truncated cone (1042), and the ball sleeve (106) is movably sleeved on the outer side of the long cylinder (1043).

4. An injection mold frame double guide device according to claim 1, characterized in that: the upper end of the spring (105) is fixedly connected to the lower surface of the movable die plate (102), and the lower end of the spring (105) is fixedly connected to the upper end of the ball sleeve (106).

5. An injection mold frame double guide device according to claim 1, characterized in that: round holes are formed in the ball sleeve (106), the balls (107) penetrate through the round holes, the round holes are divided into nine layers, four layers are uniformly distributed, and the number of the balls is 36.

6. An injection mold frame double guide device according to claim 1, characterized in that: the elastic retainer (108) comprises a ball retainer (1081) and a connecting wire (1082), the ball retainers (1081) are connected through the connecting wire (1082), and the transverse connecting wire (1082) is wavy.

7. An injection mold frame double guide device according to claim 1, characterized in that: the number of the guide columns (104) and the number of the guide sleeves (204) are four, the guide columns (104) are arranged at four corners of the bottom end of the movable template (102), and the guide sleeves (204) are arranged at four corners of the upper end of the fixed template (202).