High-precision plug-in injection mold
Technical Field
The utility model relates to the technical field of molds, in particular to a high-precision insert injection mold.
Background
Through searching, for example, chinese patent No. CN214872292U discloses an insert injection mold convenient to disassemble and assemble, which comprises a mounting top plate and a mounting bottom plate which are arranged in a relative mode, wherein the opposite end surfaces of the mounting top plate and the mounting bottom plate are respectively provided with a top groove and a bottom groove, two sides of the top groove and the bottom groove are respectively provided with a top chute and a bottom chute, a movable mold and a fixed mold are respectively arranged in the top groove and the bottom groove, the top part of the movable mold is provided with a movable mold mounting plate matched with the top chute, and the bottom of the fixed mold is provided with a fixed mold mounting plate matched with the bottom chute.
In general, the driving device makes the upper die holder descend to contact with the lower die holder for stamping forming, and the upper die holder vibrates in the pressing process, and the lower die holder is fixed through the positioning bolt in the utility model, so that the positioning bolt is easy to loosen after being vibrated, and offset can be generated in stamping, and the injection effect is affected, so that the high-precision plug-in injection die is provided to solve the problems.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a high-precision plug-in injection mold for preventing the lower die holder from shifting.
In order to achieve the aim, the utility model provides the technical scheme that the high-precision plug-in injection mold comprises a base, wherein the top of the base is provided with a frame, the top of the frame is provided with a hydraulic telescopic rod, the output end of the hydraulic telescopic rod is provided with a movable mold, the top of the base is provided with a fixed mold, the inside of the base is provided with a positioning mechanism, and a butt joint mechanism is arranged between the movable mold and the fixed mold;
The positioning mechanism comprises a motor, a bidirectional threaded rod, sliding seats, positioning rods and limiting openings, wherein the motor is fixedly arranged on the right side wall of the base, the bidirectional threaded rod is fixedly arranged at the output shaft of the motor, the sliding seats are connected with the two ends of the outer surface of the bidirectional threaded rod in a threaded manner, the positioning rods are fixedly arranged at the tops of the two sliding seats, and the limiting openings are formed in the top of the base;
The butt joint mechanism comprises a butt joint rod, a mounting groove, springs and movable blocks, wherein the butt joint rod is fixedly mounted at the left end and the right end of the movable die, the mounting groove is formed in the two ends of the top of the fixed die, the springs are fixedly mounted on the inner walls of the mounting grooves, and the movable blocks are fixedly mounted at one ends of the springs.
Further, a bearing seat is fixedly installed on the left inner wall of the base, and one end of the bidirectional threaded rod penetrates through the right side wall of the base and extends to the inside of the bearing seat.
Further, the limit opening is matched with two locating rods, one end of each locating rod penetrates through the limit opening and extends to one side of the fixed die, and each locating rod is of an L-shaped structure.
Further, bayonet sockets matched with the positioning rods are formed in the left side wall and the right side wall of the fixed die, and one side, opposite to the two positioning rods, of each positioning rod is located in each bayonet socket.
Further, sockets matched with the docking rods are formed in the tops of the two movable blocks, and the two movable blocks are slidably mounted on the inner wall of the mounting groove.
Further, protruding rods are fixedly arranged at four corners of the bottom of the fixed die, and notches matched with the four protruding rods are formed in the top of the base.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. This high-precision plug-in injection mold through setting up positioning mechanism, can prevent that the position from moving with cover half centre gripping between two locating levers, and the inside of bayonet socket is gone into to two locating levers card moreover, improves the fixed effect to the cover half, simultaneously through setting up four protruding poles and four recess with its adaptation, is convenient for carry out preliminary location to being connected between cover half and the base, has made things convenient for positioning mechanism's going on.
2. This high-accuracy plug-in components injection mold through setting up docking mechanism, when the movable mould descends and the contact of cover half, in two butt joint poles can insert the butt joint groove of movable block, further produced the skew when having prevented to mould plastics, under the effect of spring, the pushing down to the movable mould is buffered, rocking that produces in the vertical direction when reducing to mould plastics.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic perspective view of the stationary mold and the base of the present utility model;
fig. 3 is an enlarged view of the structure of fig. 1 a according to the present utility model.
In the figure, 1, a base, 2, a frame, 3, a hydraulic telescopic rod, 4, a movable die, 5, a fixed die, 6, a positioning mechanism, 601, a motor, 602, a bidirectional threaded rod, 603, a sliding seat, 604, a positioning rod, 605, a limiting opening, 7, a docking mechanism, 701, a docking rod, 702, a mounting groove, 703, a spring, 704, a movable block, 8, a bayonet, 9, a convex rod, 10 and a notch.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a high-precision insert injection mold in this embodiment includes a base 1, a frame 2 is provided at the top of the base 1, a hydraulic telescopic rod 3 is provided at the top of the frame 2, a movable mold 4 is provided at the output end of the hydraulic telescopic rod 3, a fixed mold 5 is provided at the top of the base 1, a positioning mechanism 6 is provided in the base 1, and a docking mechanism 7 is provided between the movable mold 4 and the fixed mold 5.
The positioning mechanism 6 comprises a motor 601, a bidirectional threaded rod 602, sliding seats 603, positioning rods 604 and limiting ports 605, the motor 601 is fixedly installed on the right side wall of the base 1, the bidirectional threaded rod 602 is fixedly installed at the output shaft of the motor 601, the sliding seats 603 are connected with the two ends of the outer surface of the bidirectional threaded rod 602 in a threaded manner, the positioning rods 604 are fixedly installed at the tops of the two sliding seats 603, and the limiting ports 605 are formed in the top of the base 1;
The docking mechanism 7 comprises docking rods 701, mounting grooves 702, springs 703 and movable blocks 704, the docking rods 701 are fixedly mounted at the left end and the right end of the movable die 4, the mounting grooves 702 are formed in the two ends of the top of the fixed die 5, the springs 703 are fixedly mounted on the inner walls of the two mounting grooves 702, and the movable blocks 704 are fixedly mounted at one ends of the two springs 703.
Bayonet 8 with locating lever 604 looks adaptation has all been seted up on the lateral wall about cover half 5, through setting up bayonet 8, makes two locating levers 604 at relative movement's in-process, tightly clamps cover half 5 between two locating levers 604, and the inside of bayonet 8 is gone into to locating lever 604's top one end card moreover, improves the fixed effect to cover half 5, and cover half 5 takes place the position and moves when avoiding the punching press.
The bottom four corners of cover half 5 are all fixed mounting has protruding pole 9, and recess 10 with four protruding pole 9 looks adaptations has been seted up at the top of base 1, through setting up protruding pole 9 and recess 10, has made things convenient for carrying out assistance-localization real-time to the fixed between cover half 5 and the base 1, makes the installation of cover half 5 and dismantlement simple and convenient.
The jacks matched with the butt joint rods 701 are respectively arranged at the tops of the two movable blocks 704, the two movable blocks 704 and the inner wall of the mounting groove 702 are in sliding mounting, and by arranging the jacks, when the movable die 4 moves downwards, the two butt joint rods 701 are inserted into the jacks, and the two movable blocks 704 slide downwards, so that the springs 703 deform and the pressing of the movable die 4 is buffered.
In practice, the method is carried out according to the following steps:
1) Firstly, inserting four convex rods 9 at the bottom of a fixed die 5 into notches 10;
2) Then the motor 601 drives the bidirectional threaded rod 602 to rotate, under the limit of the limit opening 605, the rotation of the bidirectional threaded rod 602 drives the two sliding seats 603 to move in opposite directions on the outer surface of the bidirectional threaded rod 602, the two sliding seats 603 drive the two positioning rods 604 to move in opposite directions through the limit opening 605, the two positioning rods 604 are clamped into the bayonet 8, and the fixed die 5 is fixed on the base 1;
3) And then the movable mould 4 is driven to move downwards through the hydraulic telescopic rod 3, when the movable mould 4 is contacted with the fixed mould 5, the two butt joint rods 701 are inserted into the sockets at the tops of the movable blocks 704, so that the two movable blocks 704 slide downwards in the mounting groove 702 to squeeze the springs 703 for buffering.
To sum up, this high-precision insert injection mold through setting up positioning mechanism 6, can prevent that the position from moving with cover half 5 centre gripping between two locating lever 604, and the inside of bayonet socket 8 is gone into to two locating lever 604 cards moreover, improves the fixed effect to cover half 5, simultaneously through setting up four protruding poles 9 and four recess 10 rather than the adaptation, is convenient for carry out preliminary location to being connected between cover half 5 and the base 1, has made things convenient for the going on of positioning mechanism 6.
Further, through setting up docking mechanism 7, when movable mould 4 descends and contacts with cover half 5, two butt joint poles 701 can insert in the butt joint groove of movable block 704, further prevent to produce the skew when moulding plastics, under spring 703's effect, cushion the pushing down of movable mould 4, the rocking that produces in the vertical direction when reducing to mould plastics.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.