Guide structure of injection mold

Abstract

The utility model discloses a guide structure of an injection mold, which belongs to the technical field of injection molding machines and comprises a lower mold body, an upper mold body and two groups of driving connecting plates, the two groups of driving connecting plates are detachably connected onto the lower mold body and the upper mold body respectively, and locking blocks are fixedly connected to the outer sides of the two groups of driving connecting plates. The upper die body and the lower die body are respectively and fixedly connected with two groups of positioning blocks, and locking pins are arranged on the two groups of positioning blocks and the locking blocks, so that through the arrangement of the first contact sensor and the second contact sensor, a signal can be sent out in time when deviation occurs in the die assembly process, and then the die assembly work is stopped in time; and when the first guide column is in contact with the second contact sensor through the contact plate and the second guide column is in contact with the first contact sensor, it is indicated that the mold is completely closed, and then follow-up material injection work can be carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine technical field, concretely is a guide structure of injection mold. BACKGROUND

[0002] Injection molding machine is also called injection molding machine, injection molding machine, and is the main molding equipment for making various shape plastic products by thermoplastic or thermosetting plastic using plastic molding die. Injection molding machine can be divided into vertical, horizontal and vertical-horizontal combined type according to the arrangement of injection device and locking device. Injection molding machine is usually composed of injection system, clamping system, hydraulic transmission system, electrical control system, lubrication system, heating and cooling system, safety monitoring system, etc. Injection molding machine can heat plastic, apply high pressure to molten plastic, and make it fill the mold cavity.

[0003] For the above technical conditions, there are still defects: the existing guide structure of injection mold cannot stop the clamping process in time when the mold clamping deviates, which will cause great damage to the mold, and is not conducive to long-term use.

[0004] Therefore, the utility model designs a guide structure of injection mold to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a guide structure of injection mold to solve the above technical problems.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a guide structure of injection mold, including lower mold body, upper mold body and two groups of driving connecting plates, two groups of driving connecting plates are connected on the lower mold body and the upper mold body in a detachable manner, locking blocks are fixedly connected on the outer sides of the two groups of driving connecting plates, two groups of positioning blocks are fixedly connected on the upper mold body and the lower mold body, locking pins are arranged on the positioning blocks and the locking blocks, first guide columns are fixedly connected on the four corners of the lower mold body, second guide columns are fixedly connected on the top ends of the four first guide columns, first guide holes are arranged in the inner part of the upper mold body and matched with the first guide columns, second guide holes are arranged on the upper mold body and above the first guide holes and matched with the second guide columns, first contact sensors are arranged on the top wall of the first guide hole and below the second guide hole, and second contact sensors are arranged in the inner part of the upper mold body and above the top wall of the second guide hole, when the first contact sensor contacts with the first guide column, the second contact sensor contacts with the second guide column.

[0007] By adopting the above technical scheme, the plastic raw material can be injected only after complete clamping, and the use effect is improved.

[0008] Preferably, the inside of the upper mold body and outside of the second contact sensor are fixedly provided with a reset spring, and the bottom end of the reset spring is fixedly connected with a contact plate.

[0009] By adopting the technical scheme, the second contact sensor can be protected, and damage to the second contact sensor caused by mold closing can be reduced.

[0010] Preferably, the first contact sensor is annular, and the axis of the second guide column is aligned with the center of the first contact sensor and can pass through the inner ring of the first contact sensor.

[0011] By adopting the technical scheme, when the second guide column is completely aligned, the second guide column can enter the inside of the second guide hole, and when the second guide column contacts the first contact sensor, it indicates that the mold is not completely aligned, and the mold closing should be stopped in time.

[0012] Preferably, the inside of the driving connecting plate is provided with two groups of cross recesses, and the two groups of positioning blocks are cross blocks.

[0013] By adopting the technical scheme, the upper and lower mold bodies can be well installed, and subsequent control is facilitated.

[0014] Preferably, the two groups of positioning blocks and locking blocks are provided with through holes for locking pin installation, and the locking pins are threadedly connected with locking knobs.

[0015] By adopting the technical scheme, the product can be well installed.

[0016] In summary, the present application has the following beneficial technical effects: by arranging the first contact sensor and the second contact sensor, a signal can be sent in time when the mold is offset during closing, and the mold closing work can be stopped in time, thereby reducing damage to the mold; when the first guide column contacts the contact plate and the second contact sensor contacts the first contact sensor, it indicates that the mold is completely closed, and subsequent injection work can be performed. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed for the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0018] Fig. 1 It is a schematic diagram of the overall structure of the present embodiment.

[0019] Fig. 2 FIG. 1 is a structural schematic diagram of the first guide hole and the second guide hole in the embodiment;

[0020] Fig. 3 FIG. 2 is a structural schematic diagram of the driving connecting plate in the embodiment.

[0021] In the drawings, the components represented by the respective reference numerals are listed as follows:

[0022] 1, lower mold body; 2, upper mold body; 3, driving connecting plate; 4, locking block; 5, positioning block; 6, locking pin; 7, locking knob; 8, first guide column; 9, second guide column; 10, first guide hole; 11, second guide hole; 12, first contact sensor; 13, second contact sensor; 14, return spring; 15, contact plate; 16, cross recess; 17, through hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0024] The drawings will be described below in conjunction with the Figs. 1-3 The present application will be further described in detail.

[0025] A guide structure of an injection mold, comprising a lower mold body 1, an upper mold body 2 and two groups of driving connecting plates 3, the two groups of driving connecting plates 3 are respectively arranged on the driving structure of an injection molding machine, the two groups of driving connecting plates 3 are respectively connected to the lower mold body 1 and the upper mold body 2 in a detachable manner, locking blocks 4 are fixedly connected to the outer sides of the two groups of driving connecting plates 3, two groups of positioning blocks 5 are fixedly connected to the upper mold body 2 and the lower mold body 1, locking pins 6 are arranged on the positioning blocks 5 and the locking blocks 4, first guide columns 8 are fixedly connected to the four corners of the lower mold body 1, second guide columns 9 are fixedly connected to the top ends of the four groups of first guide columns 8, a first guide hole 10 is formed in the interior of the upper mold body 2, the first guide hole 10 is matched with the first guide column 8, a second guide hole 11 is formed in the upper mold body 2 and located above the first guide hole 10, the second guide hole 11 is matched with the second guide column 9, a first contact sensor 12 is arranged on the top wall of the first guide hole 10 and located at the bottom of the second guide hole 11, and a second contact sensor 13 is formed in the interior of the upper mold body 2 and located on the top wall of the second guide hole 11. When the first contact sensor 12 contacts the first guide column 8, the second contact sensor 13 contacts the second guide column 9, which indicates that the lower mold body 1 and the upper mold body 2 are completely coincident and aligned, and the injection molding material can be filled into the interior of the molding cavity.

[0026] Further, the reset spring 14 is fixedly arranged in the inside of the upper mold body 2 and outside the second contact sensor 13, the contact plate 15 is fixedly connected to the bottom end of the reset spring 14, the contact plate 15 is extruded by the second guide column and slowly moves towards the second contact sensor 13, the second contact sensor 13 is protected, and the service life thereof is increased.

[0027] Further, the first contact sensor 12 is annular, and the axis of the second guide column 9 is aligned with the center of the first contact sensor 12 and can just pass through the inner ring of the first contact sensor 12.

[0028] Further, the two groups of cross recesses 16 are arranged in the inside of the driving connecting plate 3, and the two groups of positioning blocks 5 are cross blocks and can be just clamped in the inside of the cross recesses 16.

[0029] Further, the through holes 17 for locking the pin 6 are arranged on the two groups of positioning blocks 5 and the locking block 4, and the locking knob 7 is threadedly connected to the pin 6.

[0030] The implementation principle of the embodiment is that, in use, the upper mold body 2 and the lower mold body 1 are respectively arranged on the driving structure of an injection molding machine through the driving connecting plate 3, then when the upper mold body 2 and the lower mold body 1 are closed, the second guide column 9 first enters the inside of the first guide hole 10 and then enters the inside of the second guide hole 11, in this process, if the first contact sensor 12 is first contacted by the second guide column 9, it indicates that the mold is not completely aligned when being closed, at this time, a contact signal is transmitted to the injection molding equipment, so that the injection molding equipment is stopped in time, and the loss of the mold is reduced, then the second guide column 9 just passes through the inner ring of the first contact sensor 12, and then the mold is continuously closed, the second guide column 9 pushes the contact plate 15, so that the contact plate 15 is contacted with the second contact sensor 13, at this time, the first guide column 8 is just contacted with the first contact sensor 12, a signal that the mold is closed is sent, and then plastic raw materials are injected into the inside of the mold, so that the plastic raw materials are shaped in the inside of the mold.

[0031] In the description of the present application, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0032] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for the ordinary skill of the art, can understand the above-mentioned term in the utility model specific meaning according to specific circumstances.

[0033] Although the embodiments of the utility model have been shown and described, it will be appreciated by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A guide structure of an injection mold, comprising a lower mold body (1), an upper mold body (2) and two groups of driving connecting plates (3), characterized in that: Two groups of the driving connecting plates (3) are detachably connected on the lower mold body (1) and the upper mold body (2), the locking blocks (4) are fixedly connected on the outer sides of the two groups of driving connecting plates (3), the two groups of positioning blocks (5) are fixedly connected on the upper mold body (2) and the lower mold body (1), the locking pins (6) are arranged on the positioning blocks (5) and the locking blocks (4), the first guide columns (8) are fixedly connected on the four corners of the lower mold body (1), the second guide columns (9) are fixedly connected on the top ends of the four groups of first guide columns (8), the first guide holes (10) are arranged in the inside of the upper mold body (2), the first guide holes (10) are matched with the first guide columns (8), the second guide holes (11) are arranged on the upper mold body (2) and located on the first guide holes (10), the second guide holes (11) are matched with the second guide columns (9), the first contact sensors (12) are arranged on the top wall of the first guide holes (10) and located on the bottom of the second guide holes (11), the second contact sensors (13) are arranged in the inside of the upper mold body (2) and located on the top wall of the second guide holes (11), when the first contact sensors (12) are in contact with the first guide columns (8), the second contact sensors (13) are in contact with the second guide columns (9).

2. A guide structure for an injection mold according to claim 1, characterized in that: The reset springs (14) are fixedly arranged in the inside of the upper mold body (2) and located on the outer side of the second contact sensors (13), the contact plates (15) are fixedly connected on the bottom ends of the reset springs (14).

3. The guide structure of an injection mold according to claim 1, wherein: The shape of the first contact sensor (12) is annular, when the axis of the second guide column (9) is aligned with the center of the first contact sensor (12), the second guide column (9) can just pass through the inner ring of the first contact sensor (12).

4. The guide structure of an injection mold according to claim 1, wherein: The inside of the driving connecting plate (3) is provided with two groups of cross recesses (16), the shape of the positioning block (5) is cross square.

5. The guide structure of an injection mold according to claim 1, wherein: The through holes (17) for mounting the locking pins (6) are arranged on the positioning blocks (5) and the locking blocks (4), the locking knobs (7) are threadedly connected on the locking pins (6).

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