Double-color injection mold capable of being quickly replaced

Abstract

The utility model relates to the technical field of injection mold replacement, in particular to a quick-replaceable double-color injection mold which comprises a mounting base, the bottom surface of the mounting base is fixed on the surface of an injection device main body, an air cylinder is arranged on the inner surface of the top of the injection device main body, and the power output end of the air cylinder of the injection device main body is fixed on the surface of an upper mold body. A mold core is arranged on the surface of the mounting base, a clamping hole is formed in the surface of the mold core, a threaded telescopic rod is clamped in the clamping hole, and the surface of the threaded telescopic rod penetrates through the threaded rod storage groove; the double-color injection mold capable of being rapidly replaced has the beneficial effects that the surface of the mold core is movably connected into the mold core mounting frame, the surface of a threaded telescopic rod penetrates through a threaded rod containing groove, and when the threaded telescopic rod is rotated, the length of the threaded telescopic rod is changed to be clamped into a clamping hole; and therefore, the mold core can be quickly disassembled and replaced from the mold core mounting frame, and the mold core can be replaced without the need of disassembling the bolt by a worker.

Description

Technical Field

[0001] The utility model relates to the technical field of replacement of injection molds, in particular to a quickly replaceable double-color injection mold. Background Art

[0002] Product molding processing is inseparable from injection molds. Injection molds are a tool for producing plastic products; they are also tools that give plastic products complete structures and precise dimensions. Injection molding is a processing method used in mass production of certain complex-shaped parts.

[0003] However, in the prior art, when other products need to be processed, the entire set of molds needs to be replaced, and then the engineer will use a torque wrench to remove the fixing bolts of the entire set of molds to complete the disassembly of the molds. If the cost and labor required to replace the entire set of molds are high, the mold cannot be quickly disassembled.

[0004] Therefore, we need a two-color injection mold that can be quickly replaced to solve the existing problem of disassembling the mold fixing bolt knob through a torque wrench, and can also achieve the effect of replacing the entire mold without disassembling it. Utility Model Content

[0005] The purpose of the utility model is to provide a quickly replaceable two-color injection mold to solve the problem of disassembling the mold fixing bolt knob by a torque wrench in the prior art, and also to achieve the effect of replacing the mold without disassembling the entire set.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quickly replaceable two-color injection mold, comprising a mounting base, the bottom surface of the mounting base is fixed to the surface of an injection molding device body, a cylinder is arranged on the top inner surface of the injection molding device body, and the cylinder power output end of the injection molding device body is fixed to the surface of an upper mold body, a mold core is arranged on the surface of the mounting base, a clamping hole is provided on the surface of the mold core, a threaded telescopic rod is clamped inside the clamping hole, the surface of the threaded telescopic rod passes through a threaded rod receiving groove, and the threaded rod receiving groove is arranged inside the mold core mounting frame.

[0007] Preferably, a protrusion is fixedly connected to the surface of the threaded hollow tube of the threaded telescopic rod, and a groove is slidably connected to the surface of the protrusion. The groove is arranged inside the core mounting frame, and the groove is communicated with the threaded rod receiving groove. One end of the threaded rod of the threaded telescopic rod is arranged in a "rectangular" shape.

[0008] Preferably, the surface of the threaded telescopic rod is movably connected to the surface of the limiting slot, and the limiting slot is arranged on the surface of the knob frame.

[0009] Preferably, a positioning hole is provided on the top surface of the mounting base, a positioning rod is movably connected to the surface of the positioning hole, and the top surface of the positioning rod is fixed to the bottom surface of the mold core mounting frame.

[0010] Preferably, a spring groove is opened inside the positioning rod, one end of the spring is fixedly connected to the surface of the spring groove, the other end of the spring is fixed to the surface of the hemispherical body, the surface of the hemispherical body is movably connected to the inside of the spring groove, the surface of the hemispherical body is clamped with a ball groove, the ball groove is opened inside the mounting base, and the ball groove is communicated with the positioning hole.

[0011] Preferably, the groove is arranged in a "U" shape, the number of the grooves is two, and the two grooves are symmetrically arranged along the center point of the core mounting frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are: by movably connecting the surface of the mold core to the inside of the mold core mounting frame, the surface of the threaded telescopic rod is passed through the threaded rod storage groove, and when the knob of the threaded telescopic rod is turned, its length is extended and changed and engaged inside the clamping hole, so that the mold core can be quickly disassembled and replaced from the mold core mounting frame, and the staff does not need to replace the mold core by disassembling the bolts; it further solves the problem of disassembling the mold fixing bolts and knobs by using a torque wrench, and can also achieve the effect of not needing to disassemble and replace the entire mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a three-dimensional schematic diagram of the installation base of the utility model structure;

[0015] Figure 3 This is a three-dimensional schematic diagram of the cross-section of the structural mold core of the utility model;

[0016] Figure 4 This is a three-dimensional schematic diagram of the cross-section of the installation base of the structure of the utility model;

[0017] Figure 5 The utility model structure Figure 4 The enlarged schematic diagram of point B in the middle;

[0018] Figure 6 The utility model structure Figure 2 Enlarged schematic diagram at point A in the middle.

[0019] In the figure: injection molding device body 1, upper mold body 2, mounting base 3, core mounting frame 4, positioning rod 5, core 6, positioning hole 7, spring slot 8, spring 9, hemispherical body 10, ball-shaped slot 11, knob frame 12, slot 13, threaded telescopic rod 14, protrusion 15, groove 16, threaded rod storage slot 17, limit slot 18. DETAILED DESCRIPTION

[0020] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of 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] Embodiment 1

[0022] See also Figure 1-Figure 6 The utility model provides a technical solution: a quickly replaceable two-color injection mold, comprising a mounting base 3, the bottom surface of the mounting base 3 is fixed to the surface of the injection molding device body 1, a cylinder is arranged on the top inner surface of the injection molding device body 1, and the cylinder power output end of the injection molding device body 1 is fixed to the surface of the upper mold body 2, a mold core 6 is arranged on the surface of the mounting base 3, a clamping hole 13 is arranged on the surface of the mold core 6, a threaded telescopic rod 14 is clamped inside the clamping hole 13, and the surface of the threaded telescopic rod 14 passes through a threaded rod receiving groove 17, and the threaded rod receiving groove 17 is arranged inside the mold core mounting frame 4, by movably connecting the surface of the mold core 6 to the inside of the mold core mounting frame 4, the surface of the threaded telescopic rod 14 passes through the threaded rod receiving groove 17, and when the knob threaded telescopic rod 14 is turned, its length is telescopically changed and clamped inside the clamping hole 13, so that the mold core 6 can be quickly disassembled and replaced from the mold core mounting frame 4, and the staff does not need to replace the mold core 6 by disassembling the bolts.

[0023] Embodiment 2

[0024] See attached Figures 3 to 6 On the basis of the first embodiment, in order to prevent the threaded telescopic rod 14 from rotating in the process of turning the knob, a protrusion 15 is fixedly connected to the surface of the threaded cavity tube of the threaded telescopic rod 14, and the surface of the protrusion 15 is slidably connected to the inside of the groove 16. The groove 16 is arranged inside the core mounting frame 4, and the groove 16 is communicated with the threaded rod receiving groove 17. One end of the threaded rod of the threaded telescopic rod 14 is arranged in a "rectangular" shape;

[0025] By fixing the surface of the threaded hollow tube of the threaded telescopic rod 14 to the protrusion 15, and then sliding the surface of the protrusion 15 to connect to the inside of the groove 16, when the threaded telescopic rod 14 is turned, it has a limiting function to prevent the threaded telescopic rod 14 from rotating inside the threaded rod receiving groove 17 during the knob turning process.

[0026] Embodiment 3

[0027] See attached Figures 3 to 6 On the basis of the second embodiment, in order to facilitate the disassembly and replacement of the mold core 6 , the surface of the threaded telescopic rod 14 is movably connected to the surface of the limiting slot 18 , and the limiting slot 18 is arranged on the surface of the knob frame 12 .

[0028] When the rectangular groove of the limiting slot 18 is sleeved onto the rectangular surface of the threaded telescopic rod 14 , the length of the threaded telescopic rod 14 can be changed by pulling the knob frame 12 up and down, thereby facilitating the disassembly and replacement of the mold core 6 .

[0029] Embodiment 4

[0030] See attached Figures 2 to 5 On the basis of the third embodiment, in order to realize the positioning installation of the core mounting frame 4, a positioning hole 7 is opened on the top surface of the mounting base 3, and a positioning rod 5 is movably connected to the surface of the positioning hole 7, and the top surface of the positioning rod 5 is fixed to the bottom surface of the core mounting frame 4.

[0031] By fixing the top surface of the positioning rod 5 to the bottom surface of the mold core installation frame 4 and movably connecting the surface of the positioning rod 5 to the inside of the positioning hole 7 , the mold core installation frame 4 is positioned.

[0032] Embodiment 5

[0033] See attached Figures 2 to 6 On the basis of the third embodiment, in order to realize the disassembly of the core mounting frame 4, a spring groove 8 is opened inside the positioning rod 5, one end of the spring 9 is fixedly connected to the surface of the spring groove 8, and the other end of the spring 9 is fixed to the surface of the hemispherical body 10. The surface of the hemispherical body 10 is movably connected to the inside of the spring groove 8. The surface of the hemispherical body 10 is clamped with a ball groove 11, which is opened inside the mounting base 3 and communicates with the positioning hole 7.

[0034] By movably connecting the surface of the hemispherical body 10 to the inside of the spring groove 8, a spring 9 is arranged inside the spring groove 8, and the hemispherical body 10 is pushed to move inside the spring groove 8 by the elastic force of the spring 9. When the surface of the hemispherical body 10 is clamped in the inside of the spherical clamping groove 11, the core mounting frame 4 is secured on the surface of the mounting base 3. When the core mounting frame 4 is pulled upward, the surface of the hemispherical body 10 is separated from the inside of the spherical clamping groove 11, so that the core mounting frame 4 can be removed from the top surface of the mounting base 3.

[0035] In actual use, the surface of the core 6 is movably connected to the inside of the core mounting frame 4, and the surface of the threaded telescopic rod 14 is passed through the threaded rod receiving groove 17. When the knob of the threaded telescopic rod 14 is turned, its length is extended and changed and engaged with the inside of the clamping hole 13, so that the core 6 can be quickly disassembled and replaced from the core mounting frame 4, and the staff does not need to replace the core 6 by bolt disassembly. The surface of the threaded hollow tube of the threaded telescopic rod 14 is fixedly connected to the protrusion 15, and then the surface of the protrusion 15 is slidably connected to the inside of the groove 16. When the knob of the threaded telescopic rod 14 is turned, it has a limiting function to prevent the threaded telescopic rod 14 from rotating inside the threaded rod receiving groove 17 during the knob turning process. When the rectangular groove of the limiting clamping groove 18 is sleeved on the rectangular surface of the threaded telescopic rod 14, when the knob is pulled up and down, the rod 14 can be easily disassembled and replaced. The button frame 12 can change the length of the threaded telescopic rod 14, thereby facilitating the disassembly and replacement of the core mold 6. By fixing the top surface of the positioning rod 5 on the bottom surface of the core mold mounting frame 4, the surface of the positioning rod 5 is movably connected to the inside of the positioning hole 7, thereby achieving a positioning effect on the core mold mounting frame 4. By movably connecting the surface of the hemispherical body 10 to the inside of the spring groove 8, a spring 9 is arranged inside the spring groove 8, and the hemispherical body 10 is pushed to move inside the spring groove 8 by the elastic force of the spring 9. When the surface of the hemispherical body 10 is clamped in the inside of the spherical clamping groove 11, the core mold mounting frame 4 is secured to the surface of the mounting base 3. When the core mold mounting frame 4 is pulled upward, the surface of the hemispherical body 10 is disengaged from the inside of the spherical clamping groove 11, thereby facilitating the removal of the core mold mounting frame 4 from the top surface of the mounting base 3.

[0036] 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 quickly replaceable two-color injection mold, comprising a mounting base (3), the bottom surface of the mounting base (3) being fixed to the surface of an injection molding device body (1), a cylinder being arranged on the top inner surface of the injection molding device body (1), and a power output end of the cylinder of the injection molding device body (1) being fixed to the surface of an upper mold body (2), characterized in that: The surface of the mounting base (3) is provided with a mold core (6), the surface of the mold core (6) is provided with a clamping hole (13), the inside of the clamping hole (13) is clamped with a threaded telescopic rod (14), the surface of the threaded telescopic rod (14) passes through a threaded rod receiving groove (17), and the threaded rod receiving groove (17) is arranged inside the mold core mounting frame (4).

2. A quickly replaceable two-color injection mold according to claim 1, characterized in that: A protrusion (15) is fixedly connected to the surface of the threaded hollow tube of the threaded telescopic rod (14); the surface of the protrusion (15) is slidably connected to the inside of a groove (16); the groove (16) is arranged inside the mold core installation frame (4); the groove (16) is communicated with the threaded rod receiving groove (17); one end of the threaded rod of the threaded telescopic rod (14) is arranged in a "rectangular" shape.

3. The quickly replaceable two-color injection mold according to claim 1, characterized in that: The surface of the threaded telescopic rod (14) is movably connected to the surface of the limiting slot (18), and the limiting slot (18) is arranged on the surface of the knob frame (12).

4. The quickly replaceable two-color injection mold according to claim 1, characterized in that: A positioning hole (7) is provided on the top surface of the installation base (3), a positioning rod (5) is movably connected to the surface of the positioning hole (7), and the top surface of the positioning rod (5) is fixed to the bottom surface of the mold core installation frame (4).

5. The quickly replaceable two-color injection mold according to claim 4, characterized in that: A spring groove (8) is provided inside the positioning rod (5), one end of a spring (9) is fixedly connected to the surface of the spring groove (8), the other end of the spring (9) is fixed to the surface of the hemispherical body (10), the surface of the hemispherical body (10) is movably connected to the inside of the spring groove (8), a ball-shaped groove (11) is clamped on the surface of the hemispherical body (10), the ball-shaped groove (11) is provided inside the mounting base (3), and the ball-shaped groove (11) is communicated with the positioning hole (7).

6. The quickly replaceable two-color injection mold according to claim 2, characterized in that: The groove (16) is arranged in a "U" shape, and there are two grooves (16) arranged, and the two grooves (16) are symmetrically arranged along the center point of the mold core installation frame (4).

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