Mold locking mechanism of injection molding machine

Abstract

The utility model discloses an injection molding machine mold locking mechanism which comprises a supporting seat, a fixed mold is fixedly installed on the upper surface of the supporting seat, a movable mold is arranged above the fixed mold, positioning plates are fixedly connected to the left side face and the right side face of the movable mold respectively, and positioning seats are fixedly connected to the left side face and the right side face of the fixed mold respectively. The bottom ends of the two positioning plates extend into the two positioning bases correspondingly, driving covers are fixedly embedded into the side faces, away from each other, of the two positioning bases correspondingly, air cylinders are fixedly installed on the inner side walls of the two driving covers correspondingly, and sliding plates are fixedly installed at the telescopic ends of the two air cylinders correspondingly. Two detection covers are fixedly connected to the outer surface of the fixed mold, two induction plates are fixedly connected to the outer surface of the movable mold, and a buffer groove is formed in the upper surface of the supporting seat. According to the device, the effect of automatically locking the movable mold is achieved, manual mold locking is not needed, and the mold locking speed between the movable mold and the fixed mold is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine field especially a kind of injection molding machine locking mechanism. BACKGROUND

[0002] Injection molding machine is also named injection molding machine or injection molding machine, it is the main molding equipment of thermoplastic or thermosetting plastic using plastic molding die to be made into various shapes of plastic product, injection molding machine can heat plastic, melt plastic is subjected to high pressure, so as to fill mold cavity, the working principle of injection molding machine is similar to that of syringe for injection, it is by the thrust of screw, melt plastic in plasticized state is injected into closed mold cavity, and after solidification, the process of obtaining product is obtained.

[0003] Injection molding machine needs to use fixed mold and movable mold to injection molding melt state plastic, but the movable mold needs manual operation locking when being combined with fixed mold, it does not have the structure of automatically locking movable mold and fixed mold, reduces the locking speed between movable mold and fixed mold, therefore, we propose a kind of injection molding machine locking mechanism to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of injection molding machine locking mechanism to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of injection molding machine locking mechanism, including support seat, the upper surface of the support seat is fixedly installed with fixed mold, the upper side of the fixed mold is equipped with movable mold, the left and right side surfaces of the movable mold are all fixedly connected with positioning plate, the left and right side surfaces of the fixed mold are all fixedly connected with positioning seat, the bottom of two positioning plates extends to the inside of two positioning seats respectively, the side surface of two positioning seats away from each other is all fixedly embedded with drive cover, the inner side wall of two drive covers is all fixedly installed with air cylinder, the telescopic end of two air cylinders is all fixedly installed with sliding plate, the outer surface of the fixed mold is fixedly connected with two detection covers, the outer surface of the movable mold is fixedly connected with two induction plates, the bottom of two induction plates extends to the inside of two detection covers respectively.

[0007] In further embodiments, the side surface of two positioning plates away from each other is all equipped with fixed groove, the side surface of two sliding plates away from each other is all respectively in contact with the inner wall of two fixed grooves.

[0008] In further embodiments, the inner wall of two detection covers is all fixedly embedded with fixed cover, the inner side wall of two fixed covers is all fixedly installed with proximity switch, the side surface of two induction plates away from each other is all fixedly embedded with induction sheet.

[0009] In further embodiments, the upper surface of the support seat is provided with a buffer groove, the inner bottom wall of the two buffer grooves is fixedly installed with a spring, the top end of the two springs is fixedly connected with a buffer plate, and the upper surfaces of the two buffer plates are in contact with the bottom ends of the two positioning plates, respectively.

[0010] In further embodiments, the outer surface of the support seat is provided with two groups of recessed holes, and the inner walls of the two groups of recessed holes are provided with mounting holes.

[0011] In further embodiments, the upper surface of the movable mold is fixedly connected with two connecting columns, and the top end of the two connecting columns is fixedly installed with a connecting disc.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The device can sense the state of the movable mold when it is closed by the two detection covers of the fixed mold and the cooperation of the external induction plate of the movable mold, which facilitates the control of the running state of the cylinder. The cylinder inside the driving cover is driven to extend and move, and the cooperation with the sliding plate can lock and fix the positioning plate outside the movable mold, thereby achieving the effect of automatically locking the movable mold. Manual operation is not required for locking, and the locking speed between the movable mold and the fixed mold is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective view of the front view of the locking mechanism of the injection molding machine.

[0015] Figure 2 It is a sectional view of the front view of the locking mechanism of the injection molding machine.

[0016] Figure 3 It is a sectional view of the side view of the locking mechanism of the injection molding machine.

[0017] Figure 4 It is a sectional view of the top view of the locking mechanism of the injection molding machine.

[0018] In the figure: 1, support seat; 2, fixed mold; 3, movable mold; 4, positioning plate; 5, positioning seat; 6, driving cover; 7, cylinder; 8, sliding plate; 9, fixed groove; 10, induction plate; 11, detection cover; 12, fixed cover; 13, proximity switch; 14, induction sheet; 15, buffer groove; 16, spring; 17, buffer plate; 18, connecting column; 19, connecting disc; 20, recessed hole; 21, mounting hole. DETAILED DESCRIPTION

[0019] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "internal", "external" and so on indicate the orientation or positional relation based on the orientation or positional relation shown in the drawing, just for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, construct and operate in a particular orientation, therefore can not be understood as the limitation of the utility model. In addition, the term "first", "second" and so on are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and so on can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two.

[0020] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integral connection, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely in the description of the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art without creative labor are within the scope of the utility model.

[0022] Embodiment one:

[0023] Please refer to Figures 1-4The utility model discloses a kind of injection molding machine locking mechanisms, including support seat 1, the upper surface of support seat 1 is fixedly installed with fixed mould 2, the upper of fixed mould 2 is equipped with movable mould 3, the left and right two sides of movable mould 3 are all fixedly connected with positioning plate 4, the left and right two sides of fixed mould 2 are all fixedly connected with positioning seat 5, the bottom of two positioning plates 4 respectively extends to the inside of two positioning seats 5, the left side of two positioning seats 5 away from each other is all fixedly embedded with drive cover 6, the inner side wall of two drive covers 6 is all fixedly installed with cylinder 7, the telescopic end of two cylinders 7 is all fixedly installed with sliding plate 8, the outer surface of fixed mould 2 is fixedly connected with two detection covers 11, the outer surface of movable mould 3 is fixedly connected with two induction plates 10, the bottom of two induction plates 10 respectively extends to the inside of two detection covers 11.

[0024] Specifically, through the cooperation of detection cover 11 and induction plate 10, the state of movable mould 3 can be inducted when closing, and the running state of cylinder 7 can be controlled, and the cylinder 7 in the drive cover 6 can drive the sliding plate 8 to move, which provides power for the locking movement of the sliding plate 8.

[0025] Embodiment two:

[0026] As an improvement to the last embodiment.

[0027] Specifically, the left side of two positioning plates 4 away from each other is all set with fixed groove 9, the inner wall of two detection covers 11 is all fixedly embedded with fixed cover 12, the inner side wall of two fixed covers 12 is all fixedly installed with proximity switch 13, the left side of two induction plates 10 away from each other is all fixedly embedded with induction sheet 14, proximity switch 13 is a kind of position switch that can be operated without mechanical direct contact with moving parts, when object approaches induction face to action distance, it can make switch action without mechanical contact and exert any pressure, to drive direct current electric appliance or provide control instruction for computer device, the induction sheet 14 outside induction plate 10 can be inducted by the proximity switch 13 in fixed cover 12, in turn, the closing state of fixed mould 2 can be automatically inducted.

[0028] Specific, the upper surface of the support seat 1 is provided with buffer groove 15, two buffer groove 15's inner bottom wall is fixedly installed with spring 16, two spring 16's top end is fixedly connected with buffer plate 17, two buffer plate 17's upper surface is in contact with two positioning plate 4's bottom end respectively, the outer surface of support seat 1 is provided with two groups of recess hole 20, two groups of recess hole 20's inner wall is provided with mounting hole 21, the upper surface of movable mold 3 is fixedly connected with two connecting columns 18, two connecting columns 18's top end is fixedly installed with connecting disc 19, through the setting of buffer groove 15, spring 16 and buffer plate 17, the buffering protection effect when movable mold 3 and fixed mold 2 are combined is played, avoid the larger collision between the two, by connecting column 18 and connecting disc 19, it can be connected with driving equipment, will drive movable mold 3 to move better up and down.

[0029] The working principle of the utility model is: first mounting hole 21 installs and fixes support seat 1 and fixed mold 2, then the device is connected with power, when movable mold 3 is combined above fixed mold 2, can make induction board 10 insert to the inside of detection cover 11, and positioning plate 4 will also drop to the inside of positioning seat 5, then using proximity switch 13, induction sheet 14 can be inducted, then the induction signal is transmitted to external controller and is handled, then two cylinders 7 are started to stretch movement, can drive two sliding plates 8 to move, and will make two sliding plates 8 insert to the inside of two fixed slots 9, then can fix positioning plate 4 and the locking positioning of movable mold 3.

[0030] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0031] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. An injection molding machine clamping mechanism characterized by: The utility model provides a moulding machine, including support seat, the upper surface of support seat is fixedly installed with fixed mould, the top of fixed mould is equipped with movable mould, the left and right sides of movable mould are all fixedly connected with positioning plate, the left and right sides of fixed mould are all fixedly connected with positioning seat, the bottom of two positioning plates respectively extends to the inside of two positioning seats, the side away from each other of two positioning seats is all fixedly inlaid with drive cover, the inner side wall of two drive covers is all fixedly installed with air cylinder, the telescopic end of two air cylinders is all fixedly installed with sliding plate, the outer surface of fixed mould is fixedly connected with two detection covers, the outer surface of movable mould is fixedly connected with two induction plate, the bottom of two induction plates respectively extends to the inside of two detection covers.

2. A clamp mechanism for an injection molding machine as defined in claim 1, wherein: The side away from each other of two positioning plates is all seted up with fixed slot, the side of two sliding plates close to each other is respectively with the inner wall of two fixed slots contact.

3. A clamp mechanism for an injection molding machine as defined in claim 1, wherein: The inner wall of two detection covers is all fixedly inlaid with fixed cover, the inner side wall of two fixed covers is all fixedly installed with proximity switch, the side away from each other of two induction plates is all fixedly inlaid with induction sheet.

4. The mold locking mechanism of claim 1 wherein: The upper surface of support seat is seted up with buffer slot, the inner bottom wall of two buffer slots is all fixedly installed with spring, the top of two springs is all fixedly connected with buffer plate, the upper surface of two buffer plates is respectively with the bottom of two positioning plates contact.

5. The injection molding machine clamping mechanism of claim 1 wherein: The outer surface of support seat is seted up with two groups of concave hole, the inner wall of two groups of concave holes is all seted up with mounting hole.

6. A clamp mechanism for an injection molding machine as defined in claim 1, wherein: The upper surface of movable mould is fixedly connected with two connecting columns, the top of two connecting columns is all fixedly installed with connecting disc. The upper surface of movable mould is fixedly connected with two connecting columns, the top of two connecting columns is all fixedly installed with connecting disc.

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