High-precision plug-in injection mold

Abstract

The utility model relates to a high-precision plug-in injection mold which comprises a base, a frame is arranged at the top of the base, a hydraulic telescopic rod is arranged at the top of the frame, a movable mold is arranged at the output end of the hydraulic telescopic rod, a fixed mold is arranged at the top of the base, and a positioning mechanism is arranged in the base. A butt joint mechanism is arranged between the movable mold and the fixed mold; the positioning mechanism comprises a motor, a two-way threaded rod, sliding seats, positioning rods and limiting openings, the motor is fixedly installed on the right side wall of the base, the two-way threaded rod is fixedly installed at the position of an output shaft of the motor, the two ends of the outer surface of the two-way threaded rod are in threaded connection with the sliding seats, and the positioning rods are fixedly installed at the tops of the two sliding seats. According to the high-precision plug-in injection mold, by arranging the positioning mechanism, the fixed mold can be clamped between the two positioning rods, position movement is prevented, the two positioning rods are clamped into the clamping openings, and the fixing effect on the fixed mold is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a high-precision plug-in injection mold. Background Art

[0002] After searching, for example, Chinese patent number CN214872292U discloses a plug-in injection mold that is easy to disassemble and assemble. The utility model includes an installation top plate and an installation bottom plate that are arranged in a relative shape, and the opposite end faces of the installation top plate and the installation bottom plate are respectively provided with a top groove and a bottom groove, and the top groove and the bottom groove are respectively provided with a top slide groove and a bottom slide groove on both sides, and a movable mold and a fixed mold are respectively provided in the top groove and the bottom groove, and the top part of the movable mold is provided with a movable mold mounting plate that is compatible with the top slide groove, and the bottom of the fixed mold is provided with a fixed mold mounting plate that is compatible with the bottom slide groove.

[0003] Normally, the driving device causes the upper die seat to descend and contact the lower die seat for stamping and forming. The upper die seat will vibrate during the pressing process. Since the lower die seat in the above-mentioned utility model is fixed by a positioning pin, the positioning pin is easy to loosen after being vibrated, which may cause deviation during stamping and affect the injection molding effect. Therefore, a high-precision plug-in injection mold is proposed to solve the above problem. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a high-precision plug-in injection mold which can prevent the lower mold base from deflecting.

[0005] To achieve the above object, the utility model provides the following technical solution: a high-precision plug-in injection mold, comprising a base, a frame is arranged on the top of the base, a hydraulic telescopic rod is arranged on the top of the frame, a movable mold is arranged on the output end of the hydraulic telescopic rod, a fixed mold is arranged on the top of the base, a positioning mechanism is arranged inside the base, and a docking mechanism is arranged between the movable mold and the fixed mold;

[0006] The positioning mechanism includes a motor, a bidirectional threaded rod, a slide seat, a positioning rod and a limit opening. The motor is fixedly installed on the right side wall of the base, and a bidirectional threaded rod is fixedly installed at the output shaft of the motor. Both ends of the outer surface of the bidirectional threaded rod are threadedly connected to the slide seat, and the tops of the two slide seats are fixedly installed with positioning rods, and the top of the base is provided with a limit opening;

[0007] The docking mechanism includes a docking rod, a mounting groove, a spring and a movable block. The left and right ends of the movable mold are fixedly installed with docking rods, the top two ends of the fixed mold are provided with mounting grooves, the inner walls of the two mounting grooves are fixedly installed with springs, and one end of the two springs is fixedly installed with a movable block.

[0008] Furthermore, a bearing seat is fixedly mounted on the left inner wall of the base, and one end of the bidirectional threaded rod passes through the right side wall of the base and extends to the interior of the bearing seat.

[0009] Furthermore, the limiting opening is adapted to the two positioning rods, one end of the two positioning rods passes through the limiting opening and extends to one side of the fixed mold, and the two positioning rods are both L-shaped structures.

[0010] Furthermore, the left and right side walls of the fixed mold are both provided with bayonet holes adapted to the positioning rods, and the opposite sides of the two positioning rods are both located inside the bayonet holes.

[0011] Furthermore, the tops of the two movable blocks are provided with sockets adapted to the docking rods, and the two movable blocks are slidably mounted on the inner walls of the mounting grooves.

[0012] Furthermore, convex rods are fixedly installed at the four corners of the bottom of the fixed mold, and the top of the base is provided with recesses that are compatible with the four convex rods.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] 1. The high-precision plug-in injection mold can clamp the fixed mold between two positioning rods to prevent position movement by setting a positioning mechanism, and the two positioning rods are inserted into the inside of the bayonet to improve the fixing effect of the fixed mold. At the same time, by setting four convex rods and four matching recesses, it is convenient to perform preliminary positioning of the connection between the fixed mold and the base, which facilitates the positioning mechanism.

[0015] 2. The high-precision plug-in injection mold is provided with a docking mechanism. When the movable mold descends and contacts the fixed mold, the two docking rods will be inserted into the docking groove of the movable block, further preventing the deviation during injection molding. Under the action of the spring, the downward pressure of the movable mold is buffered to reduce the shaking in the vertical direction during injection molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of the fixed mold and the base of the utility model;

[0018] Figure 3 For this utility model Figure 1 A magnified view of the structure in the middle.

[0019] In the figure: 1. base; 2. frame; 3. hydraulic telescopic rod; 4. movable mold; 5. fixed mold; 6. positioning mechanism; 601. motor; 602. bidirectional threaded rod; 603. slide seat; 604. positioning rod; 605. limit opening; 7. docking mechanism; 701. docking rod; 702. mounting groove; 703. spring; 704. movable block; 8. bayonet; 9. convex rod; 10. recess. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 A high-precision plug-in injection mold in this embodiment includes a base 1, a frame 2 is arranged on the top of the base 1, a hydraulic telescopic rod 3 is arranged on the top of the frame 2, a movable mold 4 is arranged at the output end of the hydraulic telescopic rod 3, a fixed mold 5 is arranged on the top of the base 1, a positioning mechanism 6 is arranged inside the base 1, and a docking mechanism 7 is arranged between the movable mold 4 and the fixed mold 5.

[0022] The positioning mechanism 6 includes a motor 601, a bidirectional threaded rod 602, a slide 603, a positioning rod 604 and a limit opening 605. The motor 601 is fixedly installed on the right wall of the base 1, and the bidirectional threaded rod 602 is fixedly installed at the output shaft of the motor 601. Both ends of the outer surface of the bidirectional threaded rod 602 are threadedly connected to the slide 603. The tops of the two slides 603 are fixedly installed with positioning rods 604. The top of the base 1 is provided with a limit opening 605;

[0023] The docking mechanism 7 includes a docking rod 701, a mounting groove 702, a spring 703 and a movable block 704. The left and right ends of the movable mold 4 are fixedly installed with docking rods 701, and the top two ends of the fixed mold 5 are provided with mounting grooves 702. Springs 703 are fixedly installed on the inner walls of the two mounting grooves 702, and movable blocks 704 are fixedly installed on one end of the two springs 703.

[0024] The left and right side walls of the fixed mold 5 are both provided with bayonet holes 8 that are compatible with the positioning rods 604. By setting the bayonet holes 8, the two positioning rods 604 can tightly clamp the fixed mold 5 between the two positioning rods 604 during the relative movement, and the top end of the positioning rod 604 is inserted into the inside of the bayonet holes 8, thereby improving the fixing effect of the fixed mold 5 and preventing the fixed mold 5 from moving during stamping.

[0025] The four corners of the bottom of the fixed mold 5 are fixedly installed with convex rods 9, and the top of the base 1 is provided with recesses 10 adapted to the four convex rods 9. By setting the convex rods 9 and the recesses 10, auxiliary positioning of the fixation between the fixed mold 5 and the base 1 is facilitated, making the installation and disassembly of the fixed mold 5 simple and convenient.

[0026] The tops of the two movable blocks 704 are provided with sockets that are compatible with the docking rods 701, and the two movable blocks 704 are slidably mounted on the inner walls of the mounting grooves 702. By setting the sockets, when the movable mold 4 moves downward, the two docking rods 701 are inserted into the sockets, and the two movable blocks 704 slide downward, causing the springs 703 to deform, thereby buffering the downward pressure of the movable mold 4.

[0027] When implementing, follow these steps:

[0028] 1) First, insert the four protruding rods 9 at the bottom of the fixed mold 5 into the recesses 10;

[0029] 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 slides 603 to move in opposite directions on the outer surface of the bidirectional threaded rod 602. The two slides 603 drive the two positioning rods 604 to move in opposite directions through the limit opening 605, so that the two positioning rods 604 are clamped into the inside of the clamping hole 8, and the fixed mold 5 is fixed on the base 1;

[0030] 3) The movable mold 4 is then driven downward by the hydraulic telescopic rod 3. When the movable mold 4 contacts the fixed mold 5, the two docking rods 701 are inserted into the sockets at the top of the movable blocks 704, so that the two movable blocks 704 slide downward inside the mounting groove 702 to squeeze the spring 703 for buffering.

[0031] In summary, the high-precision plug-in injection mold can clamp the fixed mold 5 between the two positioning rods 604 to prevent position movement by setting the positioning mechanism 6, and the two positioning rods 604 are inserted into the inside of the bayonet 8 to improve the fixation effect of the fixed mold 5. At the same time, by setting four protruding rods 9 and four matching recesses 10, it is convenient to perform preliminary positioning of the connection between the fixed mold 5 and the base 1, which facilitates the operation of the positioning mechanism 6.

[0032] Furthermore, by setting up a docking mechanism 7, when the movable mold 4 descends and contacts the fixed mold 5, the two docking rods 701 will be inserted into the docking grooves of the movable block 704, further preventing deviation during injection molding. Under the action of the spring 703, the downward pressure of the movable mold 4 is buffered, reducing the shaking in the vertical direction during injection molding.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-precision plug-in injection mold, comprising a base (1), characterized in that: A frame (2) is arranged on the top of the base (1), a hydraulic telescopic rod (3) is arranged on the top of the frame (2), a movable mold (4) is arranged at the output end of the hydraulic telescopic rod (3), a fixed mold (5) is arranged on the top of the base (1), a positioning mechanism (6) is arranged inside the base (1), and a docking mechanism (7) is arranged between the movable mold (4) and the fixed mold (5); The positioning mechanism (6) comprises a motor (601), a bidirectional threaded rod (602), a slide seat (603), a positioning rod (604) and a limiting opening (605); the motor (601) is fixedly mounted on the right side wall of the base (1); the bidirectional threaded rod (602) is fixedly mounted on the output shaft of the motor (601); both ends of the outer surface of the bidirectional threaded rod (602) are threadedly connected to the slide seats (603); the tops of the two slide seats (603) are fixedly mounted with positioning rods (604); and the top of the base (1) is provided with a limiting opening (605); The docking mechanism (7) comprises a docking rod (701), a mounting groove (702), a spring (703) and a movable block (704); the left and right ends of the movable mold (4) are fixedly mounted with docking rods (701); the top ends of the fixed mold (5) are provided with mounting grooves (702); the inner walls of the two mounting grooves (702) are fixedly mounted with springs (703); and one end of the two springs (703) is fixedly mounted with movable blocks (704).

2. A high-precision plug-in injection mold according to claim 1, characterized in that: A bearing seat is fixedly mounted on the left inner wall of the base (1), and one end of the bidirectional threaded rod (602) passes through the right side wall of the base (1) and extends to the interior of the bearing seat.

3. A high-precision plug-in injection mold according to claim 1, characterized in that: The limiting opening (605) is adapted to the two positioning rods (604), one end of each of the two positioning rods (604) passes through the limiting opening (605) and extends to one side of the fixed mold (5), and the two positioning rods (604) are both L-shaped structures.

4. A high-precision plug-in injection mold according to claim 1, characterized in that: The left and right side walls of the fixed mold (5) are both provided with bayonet holes (8) adapted to the positioning rods (604), and the opposite sides of the two positioning rods (604) are both located inside the bayonet holes (8).

5. A high-precision plug-in injection mold according to claim 1, characterized in that: The tops of the two movable blocks (704) are both provided with sockets adapted to the docking rod (701), and the two movable blocks (704) are both slidably mounted on the inner wall of the mounting groove (702).

6. A high-precision plug-in injection mold according to claim 1, characterized in that: The four corners of the bottom of the fixed mold (5) are all fixedly mounted with convex rods (9), and the top of the base (1) is provided with recesses (10) that are compatible with the four convex rods (9).

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