CN211709915U - Mold opening mechanism and injection mold device - Google Patents

Abstract

The application provides a mold opening mechanism and an injection mold device, which comprise a bottom plate, a panel, a front mold plate, a rear mold plate, a fixing piece, a top plate, a guide pillar for guiding the top plate to move and a reset assembly for guiding the top plate to reset; reset assembly is including being fixed in on the roof and towards the locking lever that back template one side extended, locate one side of locking lever and be fixed in the pull rod on the front mould board, slide and set up in the locking lever and keep away from the locking block of roof one end and be used for pushing away the locking block to keeping away from the gliding piece that pushes away in pull rod one side, the one end that the pull rod is close to the roof is equipped with the couple that is used for pothook locking block, push away on the piece locates the back template, and push away one side that the piece is located the locking block and keeps away. According to the mold opening mechanism and the injection mold device, the hook and the locking block are matched to pull the top plate to move towards the rear mold plate, and the pushing piece pushes the locking block to separate the locking block from the hook; the hook and the locking block can be separated when the top plate reaches the required stroke, and the reliability of the die sinking mechanism is improved.

Description

Mold opening mechanism and injection mold device

Technical Field

The application belongs to the technical field of mould processing, and more specifically relates to a mold opening mechanism and an injection mold device.

Background

In the production process of the injection mold, the front mold, the rear mold and the like are separated from the injection part through the mold opening mechanism, so that the mold opening is realized. When some injection-molded parts are opened, the injection-molded parts need to be ejected out by moving the top plate to the front template (or the rear template). The existing mold opening mechanism is connected with the top plate as a reset assembly through the button machine, the top plate is pulled to move, and when the top plate reaches a required stroke, the button machine is unhooked, so that the mold opening mechanism can continue to perform the next step. When the die opening mechanism is used for opening the die, the reliability is not high, and the button machine is easy to unhook when the top plate does not reach the required stroke.

Disclosure of Invention

An object of the embodiment of the application is to provide a mold opening mechanism to solve the mold opening mechanism that exists among the prior art, the reliability is not high when the mould opening, detains the machine and takes place the technical problem that the unhook easily when the roof does not reach required stroke.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the die sinking mechanism comprises a bottom plate, a panel, a front die plate, a rear die plate, a fixing piece, a top plate, a guide post and a reset assembly, wherein the panel is arranged opposite to the bottom plate, the front die plate is arranged on the bottom plate and is close to one side of the panel, the rear die plate is arranged on the panel and is close to one side of the front die plate, the fixing piece is connected with the rear die plate and the panel, the top plate is movably arranged between the rear die plate and the panel, the guide post guides the top plate to move, and the reset assembly guides the top plate to reset; reset assembly is including being fixed in on the roof and orientation locking lever, the locating that back template one side extends one side of locking lever just is fixed in pull rod, slip on the front template set up in the locking lever is kept away from the locking piece of roof one end with be used for the ejection the locking piece is to keeping away from the gliding piece that pushes up in pull rod one side, the pull rod is close to the one end of roof is equipped with and is used for the pothook the couple of locking piece, the piece that pushes up is located on the back template, just the piece that pushes up is located the locking piece is kept away from one side of couple.

Optionally, the lock rod is provided with a slide rod for slidably supporting the locking block and a first spring for elastically pushing the locking block to extend out of the pull rod, and the slide rod is mounted on the lock rod.

Optionally, a first inclined surface is arranged at one end, close to the pushing piece, of the locking block, and a second inclined surface matched with the first inclined surface to push the locking block is arranged at one end, close to the locking block, of the pushing piece; the pushing piece is positioned on one side of the hook close to the rear template.

Optionally, the reset assembly further comprises a swing rod which is matched with the pull rod to stop the lock rod from moving towards the rear template, and the swing rod and the lock rod are located on the same side of the pull rod; one end of the swinging rod is hinged with the rear template, the other end of the swinging rod abuts against the pull rod, and the side face of the swinging rod abuts against the lock rod.

Optionally, the side of the hook has an avoidance groove that avoids the swing lever.

Optionally, a slot for the swinging rod to swing is formed on the side surface of the lock rod.

Optionally, a base for supporting the swing rod is arranged on the rear template, and a first limiting column for limiting the swing position of the swing rod is arranged on the base.

Optionally, the mold opening mechanism further comprises a fastening machine connected with the bottom plate and the rear mold plate, and the fastening machine comprises a fastening machine base fixed on the bottom plate and a fastening machine rod fixed on the rear mold plate.

Optionally, the mold opening mechanism includes two of the sears and two of the reset assemblies.

The embodiment of the application also provides an injection mold device, which comprises the mold opening mechanism.

The application provides a die sinking mechanism and injection mold device's beneficial effect lies in: compared with the prior art, the mold opening mechanism and the injection mold device have the advantages that the hook is matched with the locking block to pull the top plate to move towards the rear mold plate, and the locking block can prevent the pull rod from being separated from the lock rod due to overlarge resistance in mold opening; when the locking block moves to abut against the pushing block, the pushing piece pushes the locking block to separate the locking block from the hook; the displacement of the top plate is controlled through the position of the pushing piece, the hook and the locking block can be separated when the top plate reaches the required stroke, and the reliability of the die sinking mechanism is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic perspective view of a mold opening mechanism according to an embodiment of the present application;

FIG. 2 is a side view of the mold opening mechanism of FIG. 1;

fig. 3 is a schematic structural view of the mold opening mechanism in fig. 1 when the mold is opened to the hook locking block;

FIG. 4 is a schematic structural diagram of the mold opening mechanism in FIG. 1 after the mold is opened until the pull rod is separated from the lock rod;

FIG. 5 is a schematic structural diagram of a reset assembly used in an embodiment of the present application;

FIG. 6 is an exploded view of the reset assembly of FIG. 5;

FIG. 7 is a schematic structural diagram of a fastening machine used in an embodiment of the present application;

fig. 8 is an exploded view of the sear of fig. 7.

Wherein, in the figures, the respective reference numerals:

11-a base plate; 12-front template; 13-rear template; 14-a fixing member; 15-a top plate; 151-a substrate; 152-a second restraint post; 153-needle plates; 16-a panel; 17-a runner plate; 18-a guide bar;

20-a reset component; 21-a locking bar; 210-slotting; 2101-a chute; 22-a pull rod; 221-hanging hook; 2210-avoidance slots; 23-a locking block; 232-a first spring; 233-slide bar; 24-a pusher; 25-a swing lever; 26-a base; 27-a first restraint post;

30-a button machine; 31-buckling the base; 311-a cover; 312-a cover mount; 313-insert seat; 314-an insert; 315-fastener; 316-a second spring; 32-a buckle lever; 320-card slot.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and fig. 2 together, a mold opening mechanism according to an embodiment of the present application will be described. The mold opening mechanism comprises a bottom plate 11, a front template 12, a rear template 13, a top plate 15, a fixing piece 14, a panel 16, a guide rod 18 and a reset assembly 20, wherein the panel 16 is arranged opposite to the bottom plate 11, the front template 12 is arranged on the bottom plate 11, the front template 12 is positioned between the bottom plate 11 and the panel 16, the rear template 13 is arranged on the panel 16, the rear template 13 is positioned between the front template 12 and the panel 16, and the top plate 15 is movably arranged between the rear template 13 and the panel 16. The fixing member 14 connects the panel 16 and the rear mold plate 13, the guide bar 18 guides the top plate 15 to move, the guide bar 18 is vertically disposed on the rear mold plate 13, and the reset assembly 20 guides the reset of the top plate 15. When the mold is opened, the reset assembly 20 can guide the top plate 15 to move towards the rear mold plate 13, so that the top plate 15 is reset, and the injection molding part can be taken off and buckled by pushing the top plate 15 towards the rear mold plate 13.

In an embodiment provided by the present application, please refer to fig. 2 and 5, the reset assembly 20 includes a lock rod 21, a pull rod 22, a locking block 23, and an ejector 24, the lock rod 21 is fixed on the top plate 15, the lock rod 21 extends toward one side of the rear mold plate 13, the pull rod 22 is disposed on one side of the lock rod 21, the pull rod 22 is fixed on the front mold plate 12, the locking block 23 is movably disposed on one end of the lock rod 21 far away from the top plate 15, and the ejector 24 is used for ejecting the locking block 23 to slide toward one side far away from the pull rod 22. One end of the pull rod 22 close to the top plate 15 is provided with a hook 221, and the hook 221 is used for hooking the locking block 23. The pushing piece 24 is arranged on the rear template 13, and the pushing piece 24 is positioned on one side of the locking block 23 far away from the hook 221. When the mold is opened, the panel 16 and the bottom plate 11 are pulled to be away from each other, the rear template 13 and the front template 12 are pulled to be away from each other, the lock rod 21 moves in the direction away from the bottom plate 11 until the hook 221 on the pull rod 22 hooks the lock block 23 on the lock rod 21, and the pull rod 22 pulls the lock rod 21 and the top plate 15 to move towards the rear template 13; when the locking block 23 moves to the pushing piece 24, the pushing piece 24 pushes the locking block 23 to be separated from the hook 221, the lock rod 21 and the top plate 15 stop moving towards the rear template 13, and the pull rod 22 continues to move away from the top plate 15. When the top plate 15 is pulled, the hook 221 catches the locking block 23, the lock rod 21 and the top plate 15 can be pulled to move towards the rear template 13 through the pull rod 22, and the pull rod 22 and the lock rod 21 cannot be loosened; when the locking block 23 moves to abut against the ejector 24, the ejector 24 pushes the locking block 23 to move, the locking block 23 unlocks the hook 221, the movement between the top plate 15 and the rear mold plate 13 is stopped, and the pull rod 22 and the lock rod 21 continue to move mutually. The hook of the locking block 23 is hooked by the hook 221, the pull rod 22 is guaranteed to pull the lock rod 21 to move the top plate 15, the position of the ejector 24 controls the position of the top plate 15 moving towards the rear template 13, the moving position precision of the top plate 15 can be guaranteed, the ejector 24 can push the locking block 23 to be separated from the hook 221 after the top plate 15 reaches the position, and the reliability of the mold opening mechanism is improved; the problem that when a buckling machine is adopted to connect a top plate and a rear template in the prior art, the clamping force of a buckling machine rod and a buckling machine base is too small, and when the resistance force is too large in the moving process of the top plate, the buckling machine is unhooked before reaching the required stroke is avoided; the problem that when a buckling machine is adopted to connect the top plate and the rear template in the prior art, the buckling machine rod and the buckling machine base are too large in clamping force, the buckling machine rod cannot be separated from the buckling machine base after the top plate reaches a required stroke, and the pulling force continues to increase to cause the breakage and unhooking of the buckling machine rod is also avoided.

Optionally, the reset assembly 20 is disposed at a side of the rear mold plate 13, the reset assembly 20 is disposed perpendicular to the rear mold plate 13, and the pull rod 22 is disposed parallel to the lock rod 21, so as to facilitate positioning of the hook 221, the locking block 23 and the ejector 24, and facilitate disposition and installation of the reset assembly 20.

In one embodiment, referring to fig. 2, 5 and 6, the lock lever 21 is provided with a slide rod 233 and a first spring 232, the slide rod 233 slidably supports the lock block 23, the slide rod 233 is mounted on the lock lever 21, and the first spring 232 elastically pushes the lock block 23 to extend to a side where the pull rod 22 is located. When the locking block 23 extends out, the hook 221 can be hooked on the locking block 23 to realize the locking between the pull rod 22 and the lock rod 21; after the locking block 23 is pressed, the locking block 23 compresses the first spring 232 to contract, and the stopping effect on the hook 221 is released, so that the pull rod 22 can be further away from the top plate 15.

Specifically, referring to fig. 5 and 6, the lock lever 21 is provided with a sliding slot 2101, one end of the locking block 23 is slidably inserted into the sliding slot 2101, and the sliding rod 233 is disposed perpendicular to the lock lever 21. The locking block 23 may be a wedge-shaped block, and a surface of the locking block 23 adjacent to the hook 221 may be a plane perpendicular to the locking lever 21. This prevents the lock block 23 from being released from the hook 221 due to excessive resistance applied to the top plate 15 when the hook 221 hooks the lock block 23. The first spring 232 may be sleeved on the sliding rod 233, or may be installed in the sliding slot 2101, and the first spring 232 may be one or more.

In one embodiment, referring to fig. 5 and 6, a first inclined surface is disposed at one end of the locking block 23 close to the pushing member 24, and a second inclined surface is disposed at one end of the pushing member 24 close to the locking block 23, and the second inclined surface cooperates with the first inclined surface to push the locking block 23. When the hook 221 pulls the lock rod 21 to move, the locking block 23 on the lock rod 21 moves towards the ejector 24; when the pushing piece 24 is in contact with the locking block 23, the first inclined surface and the second inclined surface are abutted with each other, so that the pushing piece 24 pushes the locking block 23 to compress the first spring 232, and the locking block 23 slides towards the sliding groove 2101 until the locking block 23 is separated from the hook 221; when the locking block 23 is separated from the hook 221, the pull rod 22 and the lock rod 21 may continue to move. The first inclined surface and the second inclined surface are adopted, so that the contact area of the locking block 23 and the pushing piece 24 is increased, and the resistance and the abrasion of the pushing piece 24 in pushing the locking block 23 are reduced. In particular, the first and second slopes may be parallel to each other. Of course, in other embodiments of the present application, only the first slope may be provided, or only the second slope may be provided, and the pushing member 24 pushes the locking block 23 to unlock when the hook 221 pulls the locking block 23.

Specifically, referring to fig. 1 and 2, the pushing member 24 is located on one side of the hook 221 close to the rear mold plate 13, and after the pushing member 24 pushes the locking block 23 to separate from the hook 221, the hook 221 can continue to move in a direction away from the panel 16 until the front mold plate 12 and the rear mold plate 13 are completely separated, so as to avoid interference of the pushing member 24 on movement of the hook 221.

In one embodiment, referring to fig. 1, 2 and 5, the reset assembly 20 further includes a swing rod 25, the swing rod 25 cooperates with the pull rod 22 to stop the lock rod 21 from moving toward the rear mold plate 13, and the swing rod 25 and the lock rod 21 are located on the same side of the pull rod 22. One end of the swinging rod 25 is hinged with the rear template 13, the other end of the swinging rod 25 is propped against the pull rod 22, and the side surface of the swinging rod 25 is propped against the lock rod 21. Namely: one end of the swing rod 25 is hinged to the rear template 13, the other end of the swing rod 25 is located on one side, close to the connection between the lock rod 21 and the top plate 15, of the swing rod 25, the other end of the swing rod 25 is abutted to one side, close to the swing rod 25, of the pull rod 22, and one side, close to the top plate 15, of the other end of the swing rod 25 is abutted to the lock rod 21 and used for blocking the top plate 15 from approaching the rear template 13. In the mold opening process, the bottom plate 11 and the panel 16 are pulled to be away from each other, when the hook 221 is located on one side of the oscillating rod 25 close to the panel 16, the pull rod 22 abuts against the oscillating rod 25 to prevent the oscillating rod 25 from rotating towards the direction away from the top plate 15, the lock rod 21 abuts against the oscillating rod 25 to prevent the oscillating rod 25 from rotating towards the top plate 15, so that the oscillating rod 25 prevents the top plate 15 from approaching towards the rear mold plate 13, the mold opening step by step is realized, and the interference generated by the advance movement of the top plate 15 to the mold opening is prevented. During mold clamping and injection molding, the position between the rear mold plate 13 and the top plate 15 is fixed so that the top plate 15 can be in the initial position.

Specifically, referring to fig. 1, 2 and 6, the side of the hook 221 has an avoidance groove 2210 avoiding the swing lever 25. Specifically, the hook 221 is located on the side of the swing lever 25 close to the lock lever 21, and the escape groove 2210 is located on the side of the hook 221 close to the swing lever 25. When the hook 221 moves to the swing lever 25, the escape groove 2210 can avoid the swing lever 25, so that the swing lever 25 can rotate downward, the abutting between the swing lever 25 and the lock lever 21 is released, the obstruction of the swing lever 25 to the movement of the hook 221 is eliminated, and the hook 221 can continue to move to be hooked with the locking block 23.

In one embodiment, referring to fig. 2, 5 and 6, a slot 210 is formed on a side surface of the lock lever 21, and the slot 210 is used for the swing rod 25 to swing. Specifically, when the swing lever 25 abuts against the pull rod 22, the end of the swing lever 25 abutting against the pull rod 22 and the side close to the top plate 15 abut against the side surface of the escape groove 2210 close to the top plate 15. The slot 210 can enable the swing rod 25 to rotate in the slot 210 when the pull rod 22 is positioned at the lower side of the swing rod 25, and the hook 221 can allow free sliding between the top plate 15 and the rear template 13 when moving to the side of the swing rod 25 close to the ejector 24, so as to avoid interference on the movement of the top plate 15 after unlocking. Meanwhile, the side surface of the slot 210 far away from the top plate 15 can prevent the swing rod 25 from falling out of the slot 210, and the swing rod 25 can be automatically reset in the mold closing process. Specifically, the end surface of the swing lever 25 abutting against the pull rod 22 is curved, which can reduce the resistance when the end of the swing lever 25 slides relative to the pull rod 22 and the lock lever 21. Of course, in other embodiments, a boss or a convex column may be disposed on the side surface of the lock lever 21 to abut against the swing lever 25, or a strip-shaped hole may be formed in the lock lever 21.

Optionally, referring to fig. 2, fig. 5 and fig. 6, a base 26 is disposed on the rear mold plate 13, the base 26 supports the swing rod 25, a first limiting post 27 is disposed on the base 26, and the first limiting post 27 limits a swing range of the swing rod 25. Specifically, two first limiting columns 27 are arranged on the base 26, and the first limiting column 27 located on the upper side of the swinging rod 25 can limit the swinging rod 25 to rotate upwards to the inner side of the lock rod 21; the first stopper post 27 located on the lower side of the swing lever 25 can restrict the swing lever 25 from being separated from the lock lever 21. The swing lever 25 can be restricted to the side of the lock lever 21 by the first stopper pin 27, and the swing lever 25 can be automatically reset when the mold is opened and closed.

In one embodiment, referring to fig. 1, fig. 2 and fig. 7, the mold opening mechanism further includes a fastener 30, and the fastener 30 connects the bottom plate 11 and the rear mold plate 13. Specifically, the sear 30 includes a sear base 31 and a sear lever 32, the sear base 31 being fixed to the base plate 11, the sear lever 32 being fixed to the back plate 13. The bottom plate 11 and the rear template 13 are connected by the button machine 30, and when the mold is opened, the button machine 30 can be unhooked (please refer to fig. 3 and 4 together) to separate the rear template 13 from the front template 12; the sear 30 can lock the position of the rear platen 13 and the front platen 12 when closing the mold. Of course, in other embodiments, the sear mount 31 can be secured to the back plate 13 and the sear bar 32 can be secured to the base plate 11.

Optionally, referring to fig. 2, 7 and 8, the buckle base 31 includes a cover 311, a cover base 312, an insert base 313, an insert 314, two buckles 315 and two second springs 316, the cover base 312 is fixed on the side of the bottom plate 11, the lower end of the cover 311 is buckled on the cover base 312, the insert base 313 is arranged at the upper end of the cover 311, the insert 314 is arranged on the insert base 313, the buckles 315 are slidably arranged in a sliding groove between the insert base 313 and the cover 311, the two second springs 316 push the insert 314 to press the buckles 315 towards one side of the buckle rod 32, and each buckle 315 slides towards the direction of the other buckle 315. The end of the fastening rod 32 is provided with two clamping grooves 320, and the clamping grooves 320 are clamped with the two fasteners 315; a wedge surface matched with the insert 314 is arranged on the position, adjacent to the clamping groove 320, of the button machine rod 32, and when the position, inserted between the insert 314 and the buckle 315, of the button machine rod 32 changes, the gap between the insert 314 and the cover 311 changes; the two buckles 315 and the insert 314 are provided with mutually matched step surfaces, when a gap between the insert 314 and the cover 311 changes, the two buckles 315 can be respectively clamped with different step surfaces on the insert 314, so that the distance between the two buckles 315 changes, and the buckles 315 and the clamping grooves 320 can be clamped or separated. When the mold is closed, the buckle 315 is supported in the clamping groove 320, and the buckle machine base 31 fixes the buckle machine rod 32; when the mold is opened, the buckle 315 is ejected from the slot 320 and the button lever 32 is separated from the button base 31 as the pulling force between the button lever 32 and the button base 31 increases. Of course, in other embodiments of the present application, other configurations of sear 30 can be used.

Specifically, the insert seat 313 is fixed to the front mold plate 12, the cover seat 312 is fixed to the base plate 11, and the insert seat 312 is slidably fitted to the cover 312, so that separation between the front mold plate 12 and the base plate 11 is allowed.

Optionally, referring to fig. 2 and 3, the top plate 15 includes a base plate 151, a pin plate 153 and a second limiting post 152, the pin plate 153 is fixed on a surface of the base plate 151 close to the rear mold plate 13, the second limiting post 152 is fixed on the pin plate 153, when the top plate 15 moves toward the rear mold plate 13, the second limiting post 152 can limit a minimum distance between the top plate 15 and the rear mold plate 13, so as to prevent the injection molding part from being damaged during the mold opening process.

Specifically, one end of the guide bar 18 is fixed to the top plate 15, and the other end of the guide bar 18 is slidably connected to the rear mold plate 13. Alternatively, the mold opening mechanism may include a plurality of guide rods 18 arranged in parallel. When the top plate 15 is pulled, the guide rods 18 are slidably inserted into the rear mold plate 13, so that the movement of the top plate 15 can be kept smooth, and the position accuracy of the top plate 15 can be improved. Of course, in other embodiments, the guide rods 18 may be fixed to the front or rear mold 13, and the top plate 15 may be guided to move by sliding the top plate 15 on the guide rods 18.

In one embodiment, referring to fig. 1 and fig. 2, the mold opening mechanism further includes a runner plate 17, the runner plate 17 is fixed on a surface of the face plate 16 close to the top plate 15, and the glue can be injected into the runner in the runner plate 17 through a glue inlet on the face plate 16, and the flow of the glue is controlled by the runner plate 17.

Alternatively, referring to fig. 1 and 2, the fixing member 14 is two connecting plates for fixing the rear mold plate 13 and the runner plate 17, and the two connecting plates are respectively supported on two sides of the rear mold plate 13 to fix the positions of the rear mold plate 13 and the face plate 16. Meanwhile, a space for accommodating the movement of the top plate 15 is formed between the two connecting plates. Alternatively, the fixing member 14 is square iron or the like.

Referring to fig. 1 and 4, the mold opening mechanism includes two sears 30 and two reset assemblies 20. Specifically, two knot machines 30 are centrosymmetric and set up, and two reset component 20 are centrosymmetric and set up, can be when the compound die with the die sinking like this, ensure that the atress of die sinking mechanism is stable.

The embodiment of the application also provides an injection mold device, which comprises the mold opening mechanism in any one of the embodiments. The pushing piece 24 is used for pushing the locking block 23, so that the moving position of the top plate 15 can be accurately controlled, the top plate 15 can reach a required stroke, and the reliability in die opening is improved.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a mold opening mechanism which characterized in that: the device comprises a bottom plate, a panel arranged opposite to the bottom plate, a front template arranged on the bottom plate and close to one side of the panel, a rear template arranged on the panel and close to one side of the front template, a fixing part connected with the rear template and the panel, a top plate movably arranged between the rear template and the panel, a guide post guiding the top plate to move and a reset assembly guiding the top plate to reset, wherein the rear template is positioned between the front template and the top plate, and the guide post is vertically arranged on the rear template; reset assembly is including being fixed in on the roof and orientation locking lever, the locating that back template one side extends one side of locking lever just is fixed in pull rod, slip on the front template set up in the locking lever is kept away from the locking piece of roof one end with be used for the ejection the locking piece is to keeping away from the gliding piece that pushes up in pull rod one side, the pull rod is close to the one end of roof is equipped with and is used for the pothook the couple of locking piece, the piece that pushes up is located on the back template, just the piece that pushes up is located the locking piece is kept away from one side of couple.

2. The mold opening mechanism of claim 1, wherein: the locking device is characterized in that the locking rod is provided with a sliding rod for slidably supporting the locking block and a first spring for elastically pushing the locking block to extend out of the pull rod, and the sliding rod is arranged on the locking rod.

3. The mold opening mechanism of claim 2, wherein: a first inclined surface is arranged at one end, close to the pushing piece, of the locking block, and a second inclined surface matched with the first inclined surface to push the locking block is arranged at one end, close to the locking block, of the pushing piece; the pushing piece is positioned on one side of the hook close to the rear template.

4. The mold opening mechanism of claim 1, wherein: the reset assembly further comprises a swinging rod which is matched with the pull rod to stop the lock rod from moving towards the rear template, and the swinging rod and the lock rod are positioned on the same side of the pull rod; one end of the swinging rod is hinged with the rear template, the other end of the swinging rod abuts against the pull rod, and the side face of the swinging rod abuts against the lock rod.

5. The mold opening mechanism of claim 4, wherein: the side of the hook is provided with an avoiding groove for avoiding the swinging rod.

6. The mold opening mechanism of claim 4, wherein: and the side surface of the lock rod is provided with a slot for the swinging of the swinging rod.

7. The mold opening mechanism of claim 4, wherein: the rear template is provided with a base for supporting the swinging rod, and the base is provided with a first limiting column for limiting the swinging position of the swinging rod.

8. The mold opening mechanism of any one of claims 1 to 7, wherein: the die sinking mechanism also comprises a buckling machine connected with the bottom plate and the rear template, and the buckling machine comprises a buckling base fixed on the bottom plate and a buckling rod fixed on the rear template.

9. The mold opening mechanism of claim 8, wherein: the die sinking mechanism comprises two button machines and two resetting components.

10. An injection mold device, characterized in that: comprising a mould opening mechanism according to any one of claims 1 to 9.

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