Disclosure of Invention
The present invention is directed to a mold clamping device for an injection molding machine, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a mode locking device for injection molding machine, includes base and a set of mode locking side seat, and a set of mode locking side seat symmetry sets up on the base, is equipped with the fixing base between the adjacent mode locking side seat, and still the activity is provided with the sliding seat, the sliding seat sets up in one side of fixing base, and the sliding seat passes through the cylinder and the mode locking side seat is connected, the mode locking device includes:
the sliding seats are symmetrically and movably arranged on the fixed seat and the movable seat, and the sliding seats on the fixed seat and the movable seat are connected through a telescopic rod;
the clamping plate is arranged on the sliding seat; and
the adjusting module is arranged between the base and the fixed seat and used for adjusting the positions of the sliding seat and the movable seat relative to the mold locking side seat; wherein
The adjustment module includes:
the mounting frame is arranged on the base;
the second threaded rod is movably arranged on the mounting frame;
the lantern ring is sleeved on the second threaded rod in a sliding mode and in threaded fit with the second threaded rod, and the lantern ring is movably connected with the sliding seat on the fixed seat through the adjusting arm;
the execution unit is arranged on the mounting frame, is connected with the second threaded rod and is used for controlling the second threaded rod to rotate; and
the air pumping unit is arranged between the base and the air cylinder and used for adjusting the air pressure value in the air cylinder, the air pumping unit is connected with the execution unit, and the execution unit can control the synchronous operation of the air pumping unit during working.
The application further adopts the technical scheme that: the inner side of the clamping plate is provided with an inclined part.
The application further adopts the technical scheme that: the execution unit includes:
the driving shaft is movably arranged on the mounting frame and is connected with the second threaded rod;
the mounting disc is movably arranged on the mounting frame and is concentrically arranged with the driving shaft; and
the operation ring is sleeved on the outer wall of the driving shaft and connected with the mounting disc, a plurality of grooves are formed in the operation ring, and limiting heads matched with the grooves are arranged on the driving shaft.
The application further adopts the technical scheme that: the mounting disc is connected with the operating ring through a plurality of telescopic elements, the limiting head is movably arranged in the driving shaft and is elastically connected with the driving shaft, the operating ring is provided with a clamping groove, the air pumping unit is provided with a clamping shaft matched with the clamping groove, the clamping shaft is positioned on a moving path of the clamping groove, a trigger unit is arranged between the limiting head and the driving shaft, and the trigger unit is electrically connected with the telescopic elements.
This application still further technical scheme: the trigger unit includes a contact and No. two contacts, No. one the contact and No. two contacts set up respectively on spacing head and drive shaft, and No. two contacts are located the moving path of a contact, and a contact, No. two contacts and telescoping element electric connection.
This application still further technical scheme: the air extraction unit includes:
the air extraction box is arranged on the base;
the sliding plate is movably arranged in the air extraction box, and a limiting strip is arranged on one side of the sliding plate in the air extraction box;
the screw sleeve is arranged on the sliding plate; and
the first threaded rod is movably arranged on the air exhaust box and is in threaded fit with the threaded sleeve, and the clamping shaft is connected with the first threaded rod.
This application still further technical scheme: and a speed changer is arranged between the clamping shaft and the first threaded rod.
Compared with the prior art, the technical scheme provided by the embodiment of the invention has the following beneficial effects:
according to the embodiment of the invention, the execution unit and the air exhaust unit are arranged, and the operating ring is controlled by workers in the whole process, so that the position of the clamping plate can be adjusted, the stable clamping work of the horizontal position of the injection mold is realized, the position of the movable seat can also be adjusted, the clamping and fixing work of the injection mold in the vertical direction is realized, the mold locking work of the injection mold is completed, compared with the traditional mold locking structure, the mold locking structure does not need to be adjusted respectively from a plurality of structures to realize the respective clamping work of the injection mold in the vertical and horizontal directions, the operation is convenient, and the whole mold locking work period is shortened.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments of the present invention, belong to the protection scope of the present invention, and the present invention is further described with reference to the embodiments below.
Referring to fig. 1-5, in an embodiment of the present application, a mold locking device for an injection molding machine includes a base 1 and a set of mold locking side bases 2, the set of mold locking side bases 2 is symmetrically disposed on the base 1, a fixing base 3 is disposed between adjacent mold locking side bases 2, a movable base 4 is movably disposed, the movable base 4 is disposed on one side of the fixing base 3, the movable base 4 is connected to the mold locking side bases 2 through a cylinder 5, and the mold locking device includes:
the sliding seats 6, the fixed seat 3 and the movable seat 4 are symmetrically and movably provided with two sliding seats 6, and the sliding seat 6 on the fixed seat 3 and the sliding seat 6 on the movable seat 4 are connected through a telescopic rod 8;
the clamping plate 7 is arranged on the sliding seat 6; and
the adjusting module is arranged between the base 1 and the fixed seat 3 and used for adjusting the positions of the sliding seat 6 and the movable seat 4 relative to the mold locking side seat 2; wherein
The adjustment module includes:
the mounting frame 15 is arranged on the base 1;
the second threaded rod 30 is movably arranged on the mounting frame 15;
the lantern ring 10 is sleeved on the second threaded rod 30 in a sliding mode and is in threaded fit with the second threaded rod 30, and the lantern ring 10 is movably connected with the sliding seat 6 on the fixed seat 3 through the adjusting arm 9;
the execution unit is arranged on the mounting frame 15, is connected with the second threaded rod 30 and is used for controlling the second threaded rod 30 to rotate; and
the air pumping unit is arranged between the base 1 and the air cylinder 5 and used for adjusting the air pressure value in the air cylinder 5, the air pumping unit is connected with the execution unit, and the execution unit can control the synchronous operation of the air pumping unit during operation.
In a particular case of the embodiment, the inner side of the clamping plate 7 is provided with an inclined portion 14.
In another specific case of this embodiment, the execution unit includes:
the driving shaft 18 is movably arranged on the mounting frame 15 and is connected with a second threaded rod 30;
the mounting plate 17 is movably arranged on the mounting frame 15 and is concentrically arranged with the driving shaft 18; and
the operating ring 16 is sleeved on the outer wall of the driving shaft 18 and connected with the mounting disc 17, a plurality of grooves 25 are formed in the operating ring 16, and the driving shaft 18 is provided with a limiting head 26 matched with the grooves 25.
It should be noted that the adjusting module is not limited to the above-mentioned second threaded rod 30 and collar 10, but can be replaced by a linear motor or an electric cylinder, and is not limited in this regard.
In practical application, the injection mold is placed on the fixed seat 3, a worker can drive the driving shaft 18 and the second threaded rod 30 to rotate by rotating the operating ring 16 in a way of matching between the groove 25 and the limiting head 26, so that the lantern ring 10 is driven to move downwards in the direction shown in figure 1 under the action of the thread matching between the second threaded rod 30 and the lantern ring 10, the movable seat 4 and the sliding seat 6 on the fixed seat 3 are driven to move close to each other under the action of the adjusting arm 9 and the telescopic rod 8 until the clamping plate 7 on the fixed seat 3 is tightly attached to the injection mold, so that the fixed clamping work of the horizontal position of the injection mold is realized, and when the second threaded rod 30 cannot rotate, the execution unit controls the air extraction unit to work, so that air in the air cylinder 5 is extracted, the air cylinder 5 is contracted to drive the movable seat 4 to move downwards until the movable seat is tightly attached to the upper seat of the injection mold, the clamping of the injection mold in the vertical direction is fixed, and the mold locking work of the injection mold is completed.
Referring to fig. 1, 4 and 5, as another preferred embodiment of the present application, the mounting plate 17 is connected to the operation ring 16 through a plurality of telescopic elements, the limiting head 26 is movably disposed in the driving shaft 18 and elastically connected to the driving shaft 18, the operation ring 16 is provided with a clamping groove 24, the air pumping unit is provided with a clamping shaft 23 adapted to the clamping groove 24, the clamping shaft 23 is located on a moving path of the clamping groove 24, a triggering unit is disposed between the limiting head 26 and the driving shaft 18, and the triggering unit is electrically connected to the telescopic elements.
It should be noted that the telescopic element may be a linear motor or an air cylinder 5, in this embodiment, the telescopic element is preferably an electric telescopic rod 198, the electric telescopic rod 198 is connected between the mounting plate 17 and the operating ring 16, and the specific type of the electric telescopic rod 198 is not limited herein.
In the present embodiment, the triggering unit includes a first contact 28 and a second contact 29, the first contact 28 and the second contact 29 are respectively disposed on the limiting head 26 and the driving shaft 18, the second contact 29 is located on the moving path of the first contact 28, and the first contact 28, the second contact 29 and the telescopic element are electrically connected.
It should be added that the limiting head 26 is provided with a roller 27, and the roller 27 is in sliding fit with the inner wall of the operating ring 16.
The second threaded rod 30 is driven to rotate by rotating the operating ring 16, so that the lantern ring 10 moves downwards as shown in fig. 1 until the clamping plate 7 is tightly attached to the outer wall of the lower die holder, at the moment, a worker continues to rotate the operating ring 16, under the interference effect between the inner wall of the groove 25 and the limiting head 26, the limiting head 26 retracts into the driving shaft 18 and is separated from the limiting work of the operating ring 16, the first contact 28 and the second contact 29 meet and contact, the electric telescopic rod 198 is triggered to be electrified and extended, the distance between the mounting disc 17 and the operating ring 16 is adjusted, the operating ring 16 and the clamping groove 24 move downwards, the clamping shaft 23 is inserted into the clamping groove 24, at the moment, the worker continues to rotate the operating ring 16 to drive the clamping shaft 23 to move, so that the air pumping unit works to pump out air in the air cylinder 5, at the moment, the air cylinder 5 contracts, so that the movable seat 4 moves downwards to clamp the upper die holder, whole process is through staff control operation ring 16, not only can adjust the position of splint 7, realize the stable centre gripping work to the horizontal position of injection mould, but also can adjust the position of sliding seat 4, realize the centre gripping fixed work to the vertical side of injection mould, accomplish the mode locking work to the injection mould, for traditional mode locking structure, need not to adjust respectively in order to realize the vertical and horizontal side of injection mould centre gripping work respectively from a plurality of structures, convenient operation has just shortened whole mode locking duty cycle.
Referring to fig. 1, 4 and 5, as another preferred embodiment of the present application, the pumping unit includes:
the air extraction box 11 is arranged on the base 1;
the sliding plate 13 is movably arranged in the air extraction box 11, and a limiting strip 12 is arranged on one side, located on the sliding plate 13, in the air extraction box 11; the screw sleeve 20 is arranged on the sliding plate 13; and
the first threaded rod 21 is movably arranged on the air extraction box 11 and is in threaded fit with the threaded sleeve 20, and the clamping shaft 23 is connected with the first threaded rod 21.
In the present embodiment, a transmission 22 is disposed between the snap shaft 23 and the first threaded rod 21.
When the first contact 28 and the second contact 29 are contacted, the electric telescopic rod 198 can be triggered to be electrified and extended, so that the operation ring 16 moves downwards in the direction shown in fig. 4, the clamping shaft 23 is inserted into the clamping groove 24, at the moment, the worker can drive the clamping shaft 23 and the first threaded rod 21 to rotate by continuously rotating the operation ring 16, the rotating speed of the first threaded rod 21 is accelerated by arranging the transmission 22, the sliding plate 13 is driven to move upwards along the direction shown in fig. 1 along the air suction box 11 under the screw matching action between the first threaded rod 21 and the threaded sleeve 20, air in the air cylinder 5 is pumped out, the air cylinder 5 is contracted and drives the movable seat 4 to move downwards along the mold locking side seat 2, and the mold locking work of the injection mold is completed until the movable seat 4 is tightly attached to the upper mold seat of the injection mold.
The working principle of the application is as follows:
the injection mold is placed on the fixed seat 3, a worker can drive the driving shaft 18 and the second threaded rod 30 to rotate by rotating the operating ring 16 through the cooperation between the groove 25 and the limiting head 26, so that the lantern ring 10 is driven to move downwards in the direction shown in figure 1 under the screw thread cooperation effect between the second threaded rod 30 and the lantern ring 10, the movable seat 4 and the sliding seat 6 on the fixed seat 3 are driven to move close under the action of the adjusting arm 9 and the telescopic rod 8 until the clamping plate 7 on the fixed seat 3 is tightly attached to the injection mold, at the moment, the worker continues to rotate the operating ring 16, the limiting head 26 is retracted into the driving shaft 18 under the interference effect between the inner wall of the groove 25 and the limiting head 26, the limiting work of the operating ring 16 is separated, and when the first contact 28 is contacted with the second contact 29, the electric telescopic rod 198 can be triggered to be electrified and extended, thereby make the operating ring 16 move down as the direction shown in fig. 4, make card axle 23 insert in the draw-in groove 24, the staff continues to rotate operating ring 16 this moment and can drive card axle 23 and a threaded rod 21 and rotate, through setting up derailleur 22, accelerate the slew velocity of a threaded rod 21, thereby under the screw-thread fit between a threaded rod 21 and swivel nut 20, drive slide 13 and move up along exhaust box 11 as the direction shown in fig. 1, thereby take out the air in the cylinder 5, make the cylinder 5 shrink and drive movable seat 4 move down along mode locking side seat 2, when movable seat 4 and the last die holder of injection mould closely attached, accomplish the mode locking work to the injection mould. Whole process is through staff control operation ring 16, not only can adjust the position of splint 7, realize the stable centre gripping work to the horizontal position of injection mould, but also can adjust the position of sliding seat 4, realize the centre gripping fixed work to the vertical side of injection mould, accomplish the mode locking work to the injection mould, for traditional mode locking structure, need not to adjust respectively in order to realize the vertical and horizontal side of injection mould centre gripping work respectively from a plurality of structures, convenient operation has just shortened whole mode locking duty cycle.
The present invention and its embodiments have been described above schematically, and the description is not intended to be limiting, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.