Disclosure of Invention
Technical problem to be solved
The technical problem to be solved by the invention is to provide a turntable mechanism, an injection molding machine clamping mechanism and an injection molding machine for the injection molding machine, wherein a beam mechanism in the turntable mechanism is designed to be an arch structure, so that a passing space is formed between the beam structure and a middle mold mechanism, the arrangement of water/oil/circuits is facilitated, the problem that the beam above a mold is interfered when the mold runs is solved, and meanwhile, the diversity of the machine is improved.
(II) technical scheme
The invention solves the technical problem by adopting the scheme that the turntable mechanism for the injection molding machine comprises a rotary disk base, a middle template structure and a beam structure, wherein the middle template structure is arranged on the rotary disk base and can rotate relative to the rotary disk base, and the beam structure is arranged right above the middle template structure; the cross beam structure is provided with a bolt structure for positioning the middle template structure; the beam structure comprises an arch end face which is close to one side of the middle template structure and faces away from the direction of the middle template structure, wherein the direction of the middle template structure is sunken, and the arch end face and the top end of the middle template structure form a passing space for a pipeline to pass through.
Preferably, one end of the beam structure, which is far away from the middle template structure, protrudes outwards to form a flange.
Preferably, the middle template structure comprises a fixed plate, a first middle template and a second middle template which are arranged on two sides of the fixed plate, so that the effect of balancing bearing capacity is achieved, and the occupied space is reduced; and the middle template structure can be opposite to the rotary disc base and horizontally rotate at a plurality of angles, so that the two sides of the middle template structure can be connected with the injection units, double-color injection molding of a mold is realized, double productivity is realized, and the working efficiency and the production efficiency are improved. Compared with the prior art, the traditional vertical rotating disc double-color injection molding machine is generally applied to products and dies below 1500 tons of mold locking force, but the size of the product is larger, the larger mold locking force is needed, and the die structure is relatively complex, the vertical rotating disc double-color injection molding machine is limited, and the horizontal rotating turntable mechanism can avoid the inertia problem and the gravity problem of the vertical rotating disc double-color injection molding machine when carrying out double-color injection molding, namely, the problem that the die structure is inclined and worn due to the gravity of the die when rotating is solved, and the problem that the operation is not smooth is caused.
Specifically, the setting of gyration dish base falls to the minimum with the gravity problem, and overall structure is more stable.
By adopting the scheme, the beam mechanism is set to be the arch structure, so that a passing space is formed between the beam structure and the middle mold mechanism, the arrangement of water/oil/circuits is facilitated, the problem that the beam above the mold is interfered when the mold operates is solved, and the diversity of the machine is improved.
Furthermore, the bolt mechanism comprises a bolt seat and a lifting rod which is arranged in the bolt seat and can move up and down, correspondingly, a fixing piece matched with the lifting rod is arranged at the top end of the middle template structure, and the cross beam structure is provided with a through hole for the lifting rod to pass through; and the lifting rod moves downwards until the lifting rod is inserted into the fixing piece, so that the middle template structure is positioned.
Furthermore, a turntable positioning safety bolt for positioning the middle template structure is arranged on the rotary disk base.
Specifically, in the using process, when the middle template structure needs to rotate, the lifting rod rises to be separated from the fixing piece, the middle template structure rotates to turn over, whether the turning over is in place needs to be tested, and the die can not be closed when the angle is too large or too small; at the moment, the lifting rod is driven by a built-in motor to descend, penetrate through the beam structure in a matched mode and be inserted into the fixing piece, after the insertion is completed, a positioning sheet below a photoelectric sensing device on one side of the lifting rod senses a signal, represents turnover and is inserted in place, at the moment, the die is closed, and if the turnover face of the middle template structure is not in place, the lifting rod cannot be inserted in place, and the die cannot be closed; the turntable positioning safety bolt has the same effect as the bolt structure, so that the positioning effect is better.
By adopting the scheme, the arrangement of the bolt structure and the positioning safety bolt confirms that the middle template structure reaches the positioning and then performs the action of opening and closing the mold, thereby preventing the mold from being damaged.
Furthermore, the turntable mechanism further comprises a servo motor arranged below the rotary disc base and used for driving the middle template structure to do rotary motion, wherein a driving gear is arranged on an output shaft of the servo motor, and the driving gear is meshed with a driven gear fixedly connected below the middle template structure.
Specifically, the servo motor drives the driving gear to operate, and the driving gear drives the driven gear to rotate, so that the middle template structure is driven to rotate.
By adopting the scheme, the servo motor is adopted for driving, the operation is smooth, the positioning is more accurate, the multi-angle rotation positioning can be carried out, and the finished product can be conveniently taken out.
Furthermore, a telescopic ejection structure for ejecting the die is arranged in the middle die plate structure.
By adopting the scheme, the ejection structure is arranged, so that the design of the ejection oil cylinder is not required to be added to the die, and the cost is effectively saved.
The invention solves the technical problem by adopting a scheme that the mold locking mechanism of the injection molding machine comprises the turntable mechanism, and a fixed mold wall and a movable mold wall which are respectively arranged at two ends of the turntable mechanism and are matched with the turntable mechanism for injection molding, wherein a middle mold mechanism in the turntable mechanism comprises a fixed plate, and a first middle mold plate and a second middle mold plate which are respectively arranged at two ends of the fixed plate.
Specifically, all be connected with the unit of spouting on the fixed mould wall with the activity mould wall, and two sets of units orientation of spouting the relative level of well template structure is jetted out, and it is accurate stable to jet out, can realize double-colored injection moulding to realize the twice productivity, the benefit improves by a wide margin, and it also has the advantage to apply to deep cavity type product.
Preferably, the bottom of the movable mold wall is provided with a fixed slide block, so that in the process of closing and opening the mold, the movable mold wall slides stably and accurately, and can be matched with an injection structure with large injection quantity.
Furthermore, a first air cylinder for driving the rotary table mechanism is arranged at the top of the fixed mold wall, and a second air cylinder for driving the movable mold wall is arranged on the side wall of the fixed mold wall.
Specifically, the first air cylinder and the second air cylinder are adopted to drive the rotating disc mechanism and the movable die wall to perform die closing and opening movement, the running speed is high, and the molding period is shortened.
Furthermore, one end of the fixed mold wall close to the rotary table mechanism extends outwards to form a plurality of pull rods used for the rotary table to take the mechanism and the movable mold wall to slide, and the fixed mold wall is provided with high-pressure oil cylinders connected with the pull rods and used for driving the pull rods.
Specifically, the arrangement of the pull rod can ensure that the middle template structure and the movable template wall move stably and ensure enough clamping force; the high-pressure oil cylinder is arranged, control is accurate, the tension rod can be uniformly stressed, and enough mold locking force can be provided in the ejection process.
The injection molding machine comprises a box body, the injection molding machine mold locking mechanism arranged in the box body, and a controller arranged outside the box body and used for monitoring injection molding conditions.
Preferably, the controller is provided with a liquid crystal display screen, so that parameters in the injection molding process can be observed conveniently, the finished product has high-efficiency quality guarantee, and the production efficiency is improved.
More preferably, the injection molding machine adopts an energy-saving oil pressure loop design, comprises a servo energy-saving oil pump loop, has the maximum energy-saving effect of 40% compared with the traditional constant delivery pump of an injection machine, and further comprises an independent filtering system, so that the cooling efficiency is improved, the energy is saved, and the injection speed is improved.
(III) advantageous effects
Compared with the prior art, the invention designs the turntable mechanism, the injection molding machine clamping mechanism and the injection molding machine for the injection molding machine, the beam mechanism in the turntable mechanism is set to be an arch structure, so that a passing space is formed between the beam structure and the middle mold mechanism, the arrangement of water/oil/circuits is facilitated, the problem that the beam above a mold is interfered when the mold operates is solved, and meanwhile, the diversity of the machine is improved; the middle template structure can horizontally rotate relative to the rotary disc base in multiple angles, and a first middle template and a second middle template which deviate from the middle template structure are arranged, so that both sides of the middle template structure can be connected with injection units, double-color injection molding of a mold is realized, double productivity is realized, the working efficiency and the production efficiency are improved, and the middle template structure can be widely applied to the automobile industry, such as some automobile lamps or water falling grooves; the injection molding machine is provided with the controller, so that parameters in the injection molding process can be observed conveniently, the finished product has high-efficiency quality guarantee, and the production efficiency is improved.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In this embodiment:
as shown in fig. 1-2, in the turntable mechanism for an injection molding machine of this embodiment, the turntable mechanism 1 includes a rotary disk base 11, a middle template structure 12 that is disposed on the rotary disk base 11 and can rotate relative to the rotary disk base 11, and a beam structure 13 that is disposed right above the middle template structure 12; the cross beam structure 13 is provided with a bolt structure 14 for positioning the middle template structure 12; the beam structure 13 includes an arched end surface 131 which is close to one side of the middle template structure 12 and is recessed towards a direction far away from the middle template structure 12, and the arched end surface 131 and the top end of the middle template structure 12 form a passing space 15 for a pipeline to pass through. Specifically, the range of the passing space 15 may be set according to actual conditions. Preferably, an end of the beam structure 13 away from the middle template structure 12 is protruded outward to form a flange 132. Preferably, the middle formwork structure 12 includes a fixing plate 123, and a first middle formwork 124 and a second middle formwork 125 disposed at two sides of the fixing plate 123, so as to achieve the effect of balancing bearing capacity and reduce occupied space; and well template structure 12 can be relative gyration dish base 11 carries out the horizontal rotation of multi-angle, realizes that the both sides of well template structure 12 can all place and penetrate unit 6, realizes the double-colored injection moulding of mould, and double productivity has improved work efficiency and production efficiency. Compared with the prior art, the traditional vertical rotating disc double-color injection molding machine is generally applied to products and dies below 1500 tons of mold locking force, but the size of the product is larger, the larger mold locking force is needed, and the die structure is relatively complex, the vertical rotating disc double-color injection molding machine is limited, and the horizontal rotating turntable mechanism 1 can avoid the inertia problem and the gravity problem of the vertical rotating disc double-color injection molding machine when carrying out double-color injection molding, namely, the problem of oblique abrasion of the die structure generated by the gravity of the die when rotating is solved, and the problem of unsmooth operation and the like is caused. Specifically, the setting of gyration dish base 11 reduces the gravity problem to minimum, and overall structure is more stable. By adopting the scheme, the beam mechanism is set to be an arch structure, so that a passing space 15 is formed between the beam structure 13 and the middle mold mechanism, the arrangement of water/oil/circuits is facilitated, the problem that the beam above the mold is interfered when the mold operates is solved, and the diversity of the machine is improved.
As shown in fig. 2, further, the latch mechanism includes a latch seat 141 and a lifting rod 142 disposed in the latch seat 141 and capable of moving up and down, and correspondingly, a fixing member 121 matched with the lifting rod 142 is disposed at the top end of the middle template structure 12, and the beam structure 13 has a through hole for the lifting rod 142 to pass through; the lifting rod 142 moves downwards until it is inserted into the fixing member 121, so as to position the middle template structure 12. Further, a turntable positioning safety bolt 111 for positioning the middle template structure 12 is arranged on the rotary disk base 11. Specifically, in the using process, when the middle template structure 12 needs to rotate, the lifting rod 142 is lifted to be separated from the fixing part 121, and the middle template structure 12 rotates to turn over, so that whether the turning-over is in place needs to be tested, and the mold can not be closed at an excessively large angle or an excessively small angle; at this time, the lifting rod 142 is driven by a built-in motor to descend and penetrate through the beam structure 13 in a matching manner and be inserted into the fixing piece 121, after the insertion is completed, a positioning sheet below the photoelectric sensing device on one side of the lifting rod 142 senses a signal, which represents the turnover and is inserted in place, at this time, the mold is closed, and if the turnover of the middle mold plate structure 12 is not in place, the lifting rod 142 is not inserted in place and the mold cannot be closed; the turntable positioning safety bolt 111 has the same function as the bolt structure 14, so that the positioning effect is better. By adopting the scheme, the arrangement of the bolt structure 14 and the positioning safety bolt confirms that the middle template structure 12 reaches the positioning and then performs the die opening and closing actions, so that the damage of the die is prevented.
As shown in fig. 3, the turntable mechanism 1 further includes a servo motor 16 disposed below the rotary disk base 11 and used for driving the middle template structure 12 to rotate, wherein a driving gear 161 is disposed on an output shaft of the servo motor 16, and the driving gear 161 is engaged with a driven gear 17 fixedly connected below the middle template structure 12. Specifically, the servo motor 16 drives the driving gear 161 to operate, and the driving gear 161 drives the driven gear 17 to rotate, so as to drive the middle template structure 12 to rotate. By adopting the scheme, the servo motor 16 is adopted for driving, the operation is smooth, the positioning is more accurate, the multi-angle rotary positioning can be realized, and the finished product can be conveniently taken out.
As shown in fig. 1, further, a retractable ejection mechanism (not shown) for ejecting the mold is disposed in the middle template structure 12. By adopting the scheme, the ejection structure is arranged, so that the design of the ejection oil cylinder is not required to be added to the die, and the cost is effectively saved.
As shown in fig. 4, the mold clamping mechanism of the injection molding machine of the present embodiment includes the above-mentioned rotary table mechanism 1, and a fixed mold wall 2 and a movable mold wall 3 respectively disposed at two ends of the rotary table mechanism 1 and matched with the rotary table mechanism 1 for injection molding, wherein the middle mold mechanism in the rotary table mechanism 1 includes a fixed plate 123, and a first middle mold plate 124 and a second middle mold plate 125 respectively disposed at two ends of the fixed plate 123. Specifically, the fixed mold wall 2 and the movable mold wall 3 are both connected with the injection units 6, and the two groups of injection units 6 face the middle mold plate structure 12 to be horizontally injected relatively, so that the injection is accurate and stable, double-color injection molding can be realized, double-yield is realized, the benefit is greatly improved, and the injection mold is also advantageous when applied to deep cavity type products. Preferably, the bottom of the movable mold wall 3 is provided with a fixed slide block 31, so that the movable mold wall 3 can slide stably and accurately in the mold closing and opening process, and can be matched with an injection structure with large injection quantity.
Further, a first cylinder 21 for driving the turntable mechanism 1 is arranged at the top of the fixed mold wall 2, and a second cylinder 22 for driving the movable mold wall 3 is arranged on the side wall of the fixed mold wall 2. Specifically, the first air cylinder 21 and the second air cylinder 22 are adopted to drive the mold closing and opening movement of the turntable mechanism 1 and the movable mold wall 3, the running speed is high, and the molding period is shortened.
Furthermore, a plurality of pull rods 23 used for the turntable holding mechanism and the movable mold wall 3 to slide are formed by extending outwards from one end of the fixed mold wall 2 close to the turntable mechanism 1, and a high-pressure oil cylinder 24 connected with each pull rod 23 and used for driving the pull rods 23 is arranged on the fixed mold wall 2. Specifically, the arrangement of the pull rod 23 can ensure that the movement of the middle template structure 12 and the movable template wall 3 is stable, and ensure enough mold clamping force; the high-pressure oil cylinder 24 is arranged and accurately controlled, so that the pull rod 23 can be uniformly stressed, and sufficient mold locking force can be provided in the ejection process.
As shown in fig. 5, the injection molding machine of the present embodiment includes a box 4, the mold locking mechanism of the injection molding machine disposed in the box 4, and a controller 5 disposed outside the box 4 for monitoring an injection molding condition. Preferably, the controller 5 is provided with a liquid crystal display screen, so that parameters in the injection molding process can be observed conveniently, the finished product has high-efficiency quality guarantee, and the production efficiency is improved. More preferably, the injection molding machine adopts an energy-saving oil pressure loop design, comprises a servo energy-saving oil pump loop, has the maximum energy-saving effect of 40% compared with the traditional constant delivery pump of an injection machine, and further comprises an independent filtering system, so that the cooling efficiency is improved, the energy is saved, and the injection speed is improved.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.