CN211891767U

CN211891767U - Stromatolite formula injection mold

Info

Publication number: CN211891767U
Application number: CN202020403006.4U
Authority: CN
Inventors: 杨立义
Original assignee: Guangdong Liyea Precision Mould Manufacturing Co ltd
Current assignee: Guangdong Liyea Precision Mould Manufacturing Co ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-11-10
Anticipated expiration: 2030-03-26

Abstract

The utility model relates to a stromatolite formula injection mold belongs to injection mold technical field. The double-sided movable die plate is matched and arranged on the guide rod, the two double-sided movable die plates are respectively matched and connected with a first-stage left-handed thread and a first-stage right-handed thread of the screw rod, the two single-sided movable die plates are respectively matched and connected with a second-stage left-handed thread and a second-stage right-handed thread of the screw rod, the motor is fixedly arranged on the fixed seat, and the screw rod and the motor are in belt transmission; the utility model discloses have four die joints, can satisfy four die joints and open and shut the mould simultaneously, under the unchangeable condition of equal injection molding machine specification, injection moulding cycle, production efficiency can improve original quadruple, the improvement of very big degree production efficiency satisfies the production demand.

Description

Stromatolite formula injection mold

Technical Field

The utility model belongs to the technical field of injection mold, in particular to stromatolite formula injection mold.

Background

The laminated mold technology is a mold front-edge technology different from a common injection mold, and is characterized in that a plurality of cavities are arranged in a pair of molds in an overlapping mode in a mold closing direction, the mold generally has a plurality of parting surfaces, and one or more cavities can be arranged on each parting surface. In short, the laminated mold is equivalent to a plurality of single-layer molds which are stacked together and installed on an injection molding machine for injection molding production, and the existing laminated mold is characterized in that the parting surface of the mold is increased to increase the number of cavities of the mold under the condition of not increasing the specification of the injection molding machine, so that the yield of products is improved. The laminated mold has the advantages of high yield, low production and maintenance cost, small occupied area and the like. In recent years, stack molds have been used primarily in the injection molding production of small flat articles. Because the laminated injection mold is provided with two or more parting surfaces, when the mold is opened, not only the movable mold assembly moves, but also the middle plate assembly moves simultaneously, and the parting surfaces are opened simultaneously; due to the limitation of the prior art, at present, the laminated die generally has only two parting surfaces, the production efficiency can be doubled, and the production requirement cannot be met.

Disclosure of Invention

In order to overcome the problem among the background art, the utility model provides a can satisfy the stromatolite formula injection mold of the template simultaneous opening and shutting mould that has four die joint moulds, the improvement of very big degree production efficiency satisfies the production demand.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: a laminated injection mold mainly comprises fixing seats, guide rods, fixed templates, double-sided movable templates, single-sided movable templates, screw rods and motors, wherein two ends of the four guide rods are fixedly installed on the two fixing seats respectively, the fixed templates, the double-sided movable templates and the single-sided movable templates are installed on the guide rods in a matched mode, a parting surface is formed between every two adjacent templates, each screw rod comprises a first-level thread and a second-level thread, the thread pitch of the second-level thread is twice that of the first-level thread, the first-level thread comprises a first-level left-handed thread and a first-level right-handed thread, the second-level thread comprises a second-level left-handed thread and a second-level right-handed thread, two ends of each screw rod are installed on the corresponding fixing seats through bearings, the middle of each screw rod is installed on the fixed templates through a bearing, the two double-sided movable templates are connected, The second-stage right-handed threads are connected in a matched mode, the motor is fixedly mounted on the fixing seat, and the screw rod and the motor are in transmission through a belt.

The double-sided movable template and the single-sided movable template are connected through a torque limiter, the inner ring of the torque limiter is in threaded connection with the screw rod, and the outer ring of the torque limiter is fixedly connected with the double-sided movable template and the single-sided movable template respectively.

A limiting block is arranged between the first-level thread and the second-level thread on the screw rod.

The utility model has the advantages that:

the utility model discloses have four die joints, can satisfy four die joints and open and shut the mould simultaneously, under the unchangeable condition of equal injection molding machine specification, injection moulding cycle, production efficiency can improve original quadruple, the improvement of very big degree production efficiency satisfies the production demand.

Drawings

Fig. 1 is a perspective view of the mold closing state of the present invention.

Fig. 2 is a schematic view of the mold opening state of the present invention.

Fig. 3 is a perspective view of the screw rod of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.

The utility model discloses a laminated injection mold, the laminated injection mold mainly comprises a fixed seat 1, guide rods 2, a fixed template 3, a double-sided movable template 4, a single-sided movable template 5, a screw rod 6 and a motor 7, two ends of the four guide rods 2 are respectively and fixedly arranged on the two fixed seats 1, the fixed template 3, the double-sided movable template 4 and the single-sided movable template 5 are arranged on the guide rods 2 in a matching way, a parting surface is formed between every two adjacent templates, the screw rod 6 comprises a first-level thread 61 and a second-level thread 62, the pitch of the second-level thread 62 is twice of the first-level thread 61, the first-level thread 61 comprises a first-level left-handed thread 63 and a first-level right-handed thread 64, the second-level thread 62 comprises a second-level left-handed thread 65 and a second-level right-handed thread 66, two ends of the screw rod 6 are arranged on the fixed seats, the two double-sided movable templates 4 are respectively connected with a first-stage left-handed thread 63 and a first-stage right-handed thread 64 of the screw rod 6 in a matching way, the two single-sided movable templates 5 are respectively connected with a second-stage left-handed thread 65 and a second-stage right-handed thread 66 of the screw rod 6 in a matching way, the motor 7 is fixedly arranged on the fixed seat 1, and the screw rod 6 and the motor 7 are driven by a belt; through screw rod transmission, left-handed and right-handed threads are adopted, the double-sided movable template 4 and the single-sided movable template 5 move towards or away from each other at the same time, the pitch of the secondary threads 62 is twice of that of the primary threads 61, the four parting surfaces are guaranteed to be opened or closed at the same time, the opening gap is guaranteed to be consistent, and the equipment volume is reduced; the utility model discloses have four die joints, can satisfy four die joints and open and shut the mould simultaneously, under the unchangeable condition of equal injection molding machine specification, injection moulding cycle, production efficiency can improve original quadruple, the improvement of very big degree production efficiency satisfies the production demand.

A limiting block 67 is arranged between the first-stage thread 61 and the second-stage thread 62 on the screw rod 6; the templates are prevented from exceeding the range and being separated from being matched with the screw rod when moving.

The double-sided movable template 4 and the single-sided movable template 5 are connected through a torque limiter 8, the inner ring of the torque limiter 8 is in threaded connection with the screw rod 6, and the outer ring of the torque limiter 8 is fixedly connected with the double-sided movable template 4 and the single-sided movable template 5 respectively; the double-sided movable template 4 and the single-sided movable template 5 are connected through the torque limiter 8, so that the problem that the requirement on the connection relation is high when the double-sided movable template 4 and the single-sided movable template 5 are directly connected with the screw rod 6 can be solved; when one parting surface finishes die assembly and reaches the limit value of the torque limiter 8, the secondary torque limiter 8 idles, and the screw rod 6 continues to drive other templates to move, so that the die assembly of other parting surfaces is realized in sequence; in the mold opening process, when one of the mold plates moves to the position of the limiting block 67, the torque limiter 8 idles, and the screw rod 6 continues to drive other mold plates to move, so that mold opening of other parting surfaces is realized in sequence.

The working process is as follows:

the driving motor 7 drives the screw rod 6 to rotate, each template is driven to start die assembly, when one parting surface finishes die assembly and reaches the limit value of the torque limiter 8, the torque limiter 8 idles, the screw rod 6 continues to drive other templates to move, the die assembly of other parting surfaces is sequentially realized, and the die assembly work is finished; after glue injection is completed, after a workpiece is molded, the driving motor 7 drives the screw rod 6 to drive each template to start mold opening work, when one template moves to the position of the limiting block 67 and reaches the limiting value of the torque limiter 8, the torque limiter 8 idles, the screw rod 6 continues to drive other templates to move, mold opening of other parting surfaces is sequentially realized, mold opening work is completed, and the workpiece is taken out.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. A stromatolite formula injection mold which characterized in that: the laminated injection mold comprises fixing seats (1), guide rods (2), fixed templates (3), double-sided movable templates (4), single-sided movable templates (5), lead screws (6) and a motor (7), wherein two ends of each of the four guide rods (2) are respectively and fixedly arranged on the two fixing seats (1), the fixed templates (3), the double-sided movable templates (4) and the single-sided movable templates (5) are arranged on the guide rods (2) in a matched manner, a parting surface is formed between every two adjacent templates, the lead screws (6) comprise first-level threads (61) and second-level threads (62), the thread pitch of the second-level threads (62) is twice that of the first-level threads (61), the first-level threads (61) comprise first-level left-handed threads (63) and first-level right-handed threads (64), the second-level threads (62) comprise second-level left-handed threads (65) and second-level right-handed threads (66), two ends, the middle part of a screw rod (6) is arranged on a fixed template (3) through a bearing, two double-sided movable templates (4) are respectively connected with a first-stage left-handed thread (63) and a first-stage right-handed thread (64) of the screw rod (6) in a matching way, two single-sided movable templates (5) are respectively connected with a second-stage left-handed thread (65) and a second-stage right-handed thread (66) of the screw rod (6) in a matching way, a motor (7) is fixedly arranged on a fixed seat (1), and the screw rod (6) and the motor (7) are in transmission through a belt.

2. A laminated injection mold as claimed in claim 1, wherein: a limiting block (67) is arranged between the first-stage thread (61) and the second-stage thread (62) on the screw rod (6).

3. A laminated injection mold as claimed in claim 1 or 2, wherein: the double-sided movable template (4) and the single-sided movable template (5) are connected through a torque limiter (8), the inner ring of the torque limiter (8) is in threaded connection with the screw rod (6), and the outer ring of the torque limiter (8) is fixedly connected with the double-sided movable template (4) and the single-sided movable template (5) respectively.