Injection mold structure capable of solving reverse buckling of deep-cavity product

Abstract

The utility model discloses an injection mold structure capable of solving the problem of back-off of a deep-cavity product, which comprises a mold body, a back-off groove is formed in the inner side wall of the mold body, a hydraulic oil cylinder is arranged below the mold body, a second shoveling machine is arranged at the end part of the hydraulic oil cylinder, a first shoveling machine is movably mounted at the top of the second shoveling machine, and a second shoveling machine is movably mounted at the bottom of the first shoveling machine. A sliding block is arranged on the upper portion of the surface of the first shoveling machine, the second shoveling machine and the first shoveling machine are each of a slope-shaped slope design, a mounting plate is fixedly connected to the inner side wall of the second shoveling machine, extension plates are fixedly connected to the lower portions of the two sides of the first shoveling machine, and positioning holes are formed in the surfaces of the mounting plate and the extension plates. The four sets of fixing pins are inserted into positioning holes in a second shovel machine and a first shovel machine, the fixing pins are attracted through the magnetic patches to be stably connected in a butt joint mode, every two adjacent sets of fixing pins are connected through the connecting rods, one-time inserting and pulling can be achieved during disassembly and assembly, and disassembly and assembly work of people is simplified.

Description

Technical Field

[0001] The utility model relates to the field of injection molds, in particular to an injection mold structure which can solve the problem of undercutting of deep cavity products. Background Art

[0002] Injection molds are tools used in the plastic processing industry to match plastic molding machines and give plastic products a complete configuration and precise size. They are usually used in conjunction with injection molding machines to make plastic products of various shapes from thermoplastics or thermosetting plastics using plastic molding molds.

[0003] The existing technology has the following problems:

[0004] In the prior art, a shovel is used in an injection mold to press and position a slider, and to lock the mold slider when the mold is closed. However, when multiple groups of shovels are used in conjunction, they are usually connected together by bolts, which makes the disassembly and assembly steps between the shovels more complicated and inconvenient for people to inspect and maintain. Utility Model Content

[0005] In view of the problems in the related art, the utility model proposes an injection mold structure that can solve the problem of undercut of deep cavity products, so as to overcome the above technical problems existing in the existing related art.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] An injection mold structure capable of solving the problem of undercut of deep cavity products comprises a mold body, an inner side wall of the mold body is provided with an undercut groove, a hydraulic cylinder is arranged below the mold body, a No. 2 shovel is arranged at the end of the hydraulic cylinder, a No. 1 shovel is movably mounted on the top of the No. 2 shovel, a sliding block is arranged at the upper part of the surface of the No. 1 shovel, the No. 2 shovel and the No. 1 shovel are both designed with slope-shaped inclined surfaces, a mounting plate is fixedly connected to the inner side wall of the No. 2 shovel, extension plates are fixedly connected to the lower parts of both sides of the No. 1 shovel, positioning holes are arranged on the surfaces of the mounting plate and the extension plate, and fixing pins are inserted into the insides of the positioning holes.

[0008] Preferably, the number of the fixing pins is four groups, and the four groups of fixing pins are respectively located at the four corners of the mounting plate. By inserting the fixing pins at the four corners of the mounting plate, the No. 1 shovel and the No. 2 shovel can be firmly fixed.

[0009] Preferably, a connecting rod is fixedly connected between two adjacent groups of fixing pins, a protrusion is fixedly connected to the surface of the connecting rod, and a limiting hole is provided on the surface of the protrusion. The two groups of fixing pins are connected to each other through the arranged connecting rod, and can be plugged in and out at one time during disassembly and assembly, thereby simplifying people's disassembly and assembly work.

[0010] Preferably, the interior of the positioning hole and the bottom of the fixing pin are fixedly connected with magnetic patches, and the sizes of the two groups of magnetic patches match each other. The provision of the magnetic patches further increases the stability of the fixing pin in use.

[0011] Preferably, a rotating block is provided on the base surface of the No. 2 shovel, and a support rod is fixedly connected to the surface of the rotating block. A miniature lighting lamp is fixedly installed on the end of the support rod. The miniature lighting lamp provides auxiliary lighting when the lighting conditions are poor, making it convenient for people to remove the fixing pin.

[0012] Preferably, a storage groove is provided on the base surface of the No. 2 shovel, and a damping shaft is provided on the inner wall of the storage groove. The rotating block and the damping shaft are connected to each other. Through the damping shaft, the rotating block can be rotated and adjusted to be stored in the storage groove, thereby realizing the storage of the micro lighting lamp.

[0013] Preferably, a damping hinge is provided at the rear of the inner side wall of the storage slot, and a cover plate is provided at the end of the damping hinge. The storage slot is shielded by the cover plate to prevent external moisture or dust from falling onto the miniature lighting lamp.

[0014] The beneficial effects of the utility model are:

[0015] The invention can solve the problem of inverted injection mold structure of deep cavity products. Four sets of fixing pins are set up and inserted into the positioning holes on the No. 2 shovel and the No. 1 shovel. The magnetic patches are used to secure the docking. The connecting rod connects the two adjacent sets of fixing pins to each other. The fixing pins can be plugged in and out at one time during disassembly and assembly. The micro-light provides auxiliary lighting when the lighting conditions are poor, making it convenient for people to disassemble and assemble the fixing pins and simplifying the disassembly and assembly work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall structure of the No. 1 shovel of the utility model;

[0019] Figure 3 This is a schematic diagram of the overall structure of the No. 2 shovel machine of the utility model;

[0020] Figure 4It is a schematic diagram of the overall structure of the fixing pin of the utility model.

[0021] In the figure: 1. mold body; 2. undercut groove; 3. hydraulic cylinder; 4. No. 2 shovel; 5. mounting plate; 6. No. 1 shovel; 7. extension plate; 8. positioning hole; 9. slider; 10. damping shaft; 11. rotating block; 12. support rod; 13. micro lighting; 14. fixing pin; 15. magnetic patch; 16. connecting rod; 17. bump. DETAILED DESCRIPTION

[0022] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0023] According to an embodiment of the utility model, an injection mold structure is provided that can solve the problem of undercut of deep cavity products.

[0024] Embodiment 1;

[0025] like Figure 1-Figure 4 As shown, according to the embodiment of the utility model, the injection mold structure that can solve the problem of undercut of deep cavity products includes a mold body 1, the inner side wall of the mold body 1 is provided with an undercut groove 2, a hydraulic cylinder 3 is arranged below the mold body 1, and a No. 2 shovel 4 is arranged at the end of the hydraulic cylinder 3, and a No. 1 shovel 6 is movably installed on the top of the No. 2 shovel 4, and a slider 9 is arranged on the upper surface of the No. 1 shovel 6. Both the No. 2 shovel 4 and the No. 1 shovel 6 are designed with a slope-shaped inclined surface, and the inner side wall of the No. 2 shovel 4 is fixedly connected with a mounting plate 5, and the two sides of the No. 1 shovel 6 are fixedly connected with extension plates 7 at the lower part, and the surfaces of the mounting plate 5 and the extension plate 7 are provided with positioning holes 8, and the inside of the positioning holes 8 is plugged with fixing pins 14.

[0026] In this embodiment, there are four groups of fixing pins 14, and the four groups of fixing pins 14 are respectively located at the four corners of the mounting plate 5. By inserting the fixing pins 14 at the four corners of the mounting plate 5, the No. 1 shovel 6 and the No. 2 shovel 4 can be firmly fixed.

[0027] In this embodiment, a connecting rod 16 is fixedly connected between two adjacent groups of fixing pins 14, and a protrusion 17 is fixedly connected to the surface of the connecting rod 16. A limiting hole is provided on the surface of the protrusion 17. The two groups of fixing pins 14 are connected to each other through the provided connecting rod 16, and can be plugged in and out at one time during disassembly and assembly, which simplifies people's disassembly and assembly work.

[0028] In this embodiment, the inside of the positioning hole 8 and the bottom of the fixing pin 14 are fixedly connected with magnetic patches 15, and the sizes of the two groups of magnetic patches 15 match each other. The setting of the magnetic patches 15 further increases the stability of the fixing pin 14.

[0029] In this embodiment, a rotating block 11 is provided on the base surface of the No. 2 shovel 4, and a support rod 12 is fixedly connected to the surface of the rotating block 11. A miniature lighting lamp 13 is fixedly installed on the end of the support rod 12. The miniature lighting lamp 13 provides auxiliary lighting when the lighting conditions are poor, making it convenient for people to remove the fixing pin 14.

[0030] Embodiment 2:

[0031] On the basis of the first embodiment, the preferred embodiment of the injection mold structure provided by the present invention that can solve the problem of undercut of deep cavity products is as follows: Figures 1 to 4 As shown:

[0032] In this embodiment, a storage groove is provided on the base surface of the No. 2 shovel 4, and a damping shaft 10 is provided on the inner wall of the storage groove. The rotating block 11 is connected to the damping shaft 10. Through the damping shaft 10, the rotating block 11 can be rotated and adjusted to be stored in the storage groove, thereby realizing the storage of the micro lighting lamp 13.

[0033] In this embodiment, a damping hinge is provided at the rear of the inner wall of the storage groove, and a cover plate is provided at the end of the damping hinge. The storage groove is shielded by the cover plate to prevent external moisture or dust from falling onto the micro lighting lamp 13.

[0034] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0035] In actual application, place the No. 1 shovel 6 on the mounting plate 5 on the No. 2 shovel 4, and after the positioning holes 8 on the surfaces of the extension plate 7 and the mounting plate 5 overlap, insert the fixing pin 14, and then complete the docking through the adsorption of two groups of magnetic patches 15. When disassembling, hook the limiting holes on the protrusion 17 with your fingers and pull up the fixing pin 14. Since the connecting rod 16 connects the two adjacent groups of fixing pins 14 to each other, they can be plugged in and out at one time during disassembly and assembly, which simplifies people's disassembly and assembly work. The miniature lighting 13 provides auxiliary lighting when the lighting conditions are not good, which is convenient for people to disassemble and assemble the fixing pin 14. When the hydraulic cylinder 3 shrinks, it drives the No. 2 shovel 4 to shrink back, and then the No. 1 shovel 6 shrinks accordingly, and the undercut in the undercut groove 2 is removed through the slider 9 on the No. 1 shovel 6.

[0036] In summary, with the help of the above-mentioned technical scheme of the utility model, four groups of fixing pins 14 are set up and inserted into the positioning holes 8 on the No. 2 shovel 4 and the No. 1 shovel 6. The connection is firmly secured by adsorption of the magnetic patch 15. The connecting rod 16 connects the two adjacent groups of fixing pins 14 to each other, and they can be plugged in and out at one time during disassembly and assembly, which simplifies people's disassembly and assembly work.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An injection mold structure capable of solving the problem of undercutting of deep cavity products, comprising a mold body (1), characterized in that: The inner side wall of the mold body (1) is provided with an undercut groove (2), a hydraulic cylinder (3) is arranged below the mold body (1), a No. 2 shovel (4) is arranged at the end of the hydraulic cylinder (3), a No. 1 shovel (6) is movably installed on the top of the No. 2 shovel (4), a sliding block (9) is arranged at the upper part of the surface of the No. 1 shovel (6), the No. 2 shovel (4) and the No. 1 shovel (6) are both designed with a slope-shaped inclined surface, the inner side wall of the No. 2 shovel (4) is fixedly connected with a mounting plate (5), and the No. 1 shovel (6) is fixedly connected with an extension plate (7) at the lower part of both sides, and the surfaces of the mounting plate (5) and the extension plate (7) are both provided with positioning holes (8), and the interior of the positioning holes (8) is plugged with fixing pins (14).

2. The injection mold structure capable of solving the problem of undercut of deep cavity products according to claim 1, characterized in that: The number of the fixing pins (14) is four groups, and the four groups of fixing pins (14) are respectively located at the four corners of the mounting plate (5).

3. The injection mold structure capable of solving the problem of undercut of deep cavity products according to claim 1, characterized in that: A connecting rod (16) is fixedly connected between two adjacent groups of the fixing pins (14), a protrusion (17) is fixedly connected to the surface of the connecting rod (16), and a limiting hole is provided on the surface of the protrusion (17).

4. The injection mold structure capable of solving the problem of undercut of deep cavity products according to claim 1, characterized in that: The interior of the positioning hole (8) and the bottom of the fixing pin (14) are both fixedly connected with magnetic patches (15), and the sizes of the two groups of magnetic patches (15) match each other.

5. The injection mold structure capable of solving the problem of undercut of deep cavity products according to claim 1, characterized in that: A rotating block (11) is provided on the surface of the base of the No. 2 shovel machine (4), a support rod (12) is fixedly connected to the surface of the rotating block (11), and a miniature lighting lamp (13) is fixedly installed at the end of the support rod (12).

6. The injection mold structure capable of solving the problem of undercut of deep cavity products according to claim 5, characterized in that: A receiving groove is provided on the surface of the base of the No. 2 shovel (4), a damping rotating shaft (10) is provided on the inner side wall of the receiving groove, and the rotating block (11) is connected to the damping rotating shaft (10).

7. The injection mold structure capable of solving the problem of undercut of deep cavity products according to claim 6, characterized in that: A damping hinge is arranged at the rear of the inner side wall of the storage groove, and a cover plate is arranged at the end of the damping hinge.

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