Deviation rectifying structure for installation of ultra-long water inlet pipe of injection mold

Abstract

The utility model relates to the technical field of injection molds, in particular to a deviation rectifying structure for mounting an ultra-long water inlet pipe of an injection mold, which comprises a movable mold, a movable mold ejector block arranged on the movable mold, a water inlet pipe penetrating hole formed in the movable mold, and the ultra-long water inlet pipe connected to the movable mold ejector block and penetrating through the water inlet pipe penetrating hole, an ultra-long water inlet pipe deviation rectifying structure used for rectifying position errors of the ultra-long water inlet pipe so as to prevent the ultra-long water inlet pipe from interfering with parts on the rear side of a movable mold on the injection mold is further arranged on the movable mold ejector block and comprises a deviation rectifying guide sleeve arranged on a water inlet pipe penetrating hole of the movable mold; the deviation rectifying guide sleeve is positioned at a rear-side hole opening part of a water inlet pipe penetrating hole in the movable mold, and the outer circle of the super-long water inlet pipe is matched with an inner hole of the deviation rectifying guide sleeve. According to the utility model, the correction of the position offset error of the ultra-long water inlet pipe after the injection mold is assembled is realized.

Description

Technical Field

[0001] This utility model relates to the field of injection mold technology, specifically to a correction structure for installing an extra-long water inlet pipe in an injection mold. Background Technology

[0002] Injection molds are molds used for plastic injection molding, primarily for manufacturing plastic products of various shapes and sizes. They are created by injecting molten plastic into the cavity of the mold, which then cools and solidifies to form the desired product. Injection molds play a crucial role in manufacturing and are widely used in the automotive, medical device, electronics, home appliance, and aerospace industries.

[0003] The structure of an injection mold mainly includes a moving mold, a fixed mold, a gating system, and a cooling water system; a typical moving mold of an injection mold is as follows: Figure 1 As shown, the moving mold is provided with a moving mold top block, and an extra-long water inlet pipe is connected to the moving mold top block. The front end of the extra-long water inlet pipe is threaded to the moving mold top block, and the rear end of the extra-long water inlet pipe passes through the water inlet pipe through hole on the moving mold and connects to the cooling water system.

[0004] Because the moving mold and the moving mold ejector block in the above-mentioned injection mold are manufactured separately, and because the moving mold and the moving mold ejector block themselves have manufacturing errors, the screw hole on the moving mold ejector block that connects to the extra-long water inlet pipe has a certain positional error during processing. This results in a large positional offset error at the rear end of the extra-long water inlet pipe after the injection mold is assembled, which can easily lead to interference between the rear end of the extra-long water inlet pipe and the components on the injection mold located behind the moving mold. Utility Model Content

[0005] To address the aforementioned problems, this utility model proposes a correction structure for the installation of extra-long water inlet pipes in injection molds, aiming to correct the positional offset error of the extra-long water inlet pipes after injection mold assembly. The specific technical solution is as follows:

[0006] A correction structure for installing an extra-long water inlet pipe in an injection mold includes a moving mold, a moving mold top block disposed on the moving mold, a water inlet pipe through hole disposed on the moving mold, and an extra-long water inlet pipe connected to the moving mold top block and passing through the water inlet pipe through hole. The moving mold top block is further provided with an extra-long water inlet pipe correction structure for correcting the positional error of the extra-long water inlet pipe and preventing interference between the extra-long water inlet pipe and components on the rear side of the moving mold on the injection mold. The extra-long water inlet pipe correction structure includes a correction guide sleeve disposed on the water inlet pipe through hole of the moving mold, and the correction guide sleeve is located at the rear opening of the water inlet pipe through hole on the moving mold. The outer circle of the extra-long water inlet pipe is adapted to the inner hole of the correction guide sleeve.

[0007] As a further improvement of this utility model, the correction guide sleeve is a correction guide sleeve formed by splicing a pair of split correction guide sleeves. The pair of split correction guide sleeves are formed by cutting the correction guide sleeve, which is processed into a whole, along the center plane of the inner hole by wire cutting.

[0008] Preferably, the outer circle of the front end of the correction guide sleeve is provided with a guide cone surface.

[0009] As a further improvement of this utility model, the ultra-long water inlet pipe correction structure also includes a positioning enlarged hole at the opening of the water inlet pipe through hole on the rear side of the moving mold, and a correction amount fine adjustment device for finely adjusting the offset position of the ultra-long water inlet pipe is provided on the positioning enlarged hole. The correction amount fine adjustment device includes an eccentric sleeve rotatably disposed on the positioning enlarged hole, and the correction guide sleeve is positioned in the inner hole of the eccentric sleeve.

[0010] Preferably, the rear end of the eccentric sleeve is provided with a flange, which is one of a flat flange, a square flange, or a hexagonal flange.

[0011] The flat flange is a flange with two parallel planes cut on both sides of the outer circle. Like the four-sided flange and the hexagonal flange, it can be easily rotated using a plate head to adjust the position of the central axis of the inner hole of the eccentric sleeve.

[0012] In this invention, the correction amount fine adjustment device further includes a pressure ring for pressing and fixing the flange onto the positioning expansion hole of the moving mold. The pressure ring is connected to the rear end face of the moving mold by screws and presses the flange.

[0013] Preferably, the inner hole of the correction guide sleeve is eccentrically positioned to the left relative to the outer circle of the correction guide sleeve, and the inner hole of the eccentric sleeve is eccentrically positioned to the right relative to the outer circle of the eccentric sleeve. Furthermore, the leftward eccentricity of the inner hole of the correction guide sleeve relative to the outer circle of the correction guide sleeve is equal to the rightward eccentricity of the inner hole of the eccentric sleeve relative to the outer circle of the eccentric sleeve.

[0014] The above settings define the initial positions of the guiding sleeve and the eccentric sleeve. When both are in their initial positions, the inner hole of the guiding sleeve is coaxial with the water inlet pipe through-hole on the moving mold. By adjusting the combination of the circumferential rotation angles of the guiding sleeve and the eccentric sleeve, the extra-long water inlet pipe can be corrected in a certain circumferential direction, achieving a certain amount of fine-tuning. This setup allows the extra-long water inlet pipe to be corrected to be coaxial with the water inlet pipe through-hole on the moving mold, or to be non-coaxial, offering greater flexibility.

[0015] Preferably, the rear ends of the pair of split-spindle correction guide sleeves are respectively provided with disassembly screw holes for easy disassembly.

[0016] In this invention, the inner diameter of the pressure ring is smaller than the outer diameter of the correction guide sleeve, thereby blocking the correction guide sleeve axially and preventing it from falling out of the positioning expansion hole.

[0017] In this invention, the extra-long water inlet pipes are arranged in pairs on the injection mold to form a cooling water circuit.

[0018] Preferably, the eccentric sleeve is an eccentric sleeve made of Babbitt alloy.

[0019] Preferably, the correction guide sleeve is a correction guide sleeve made of carbon steel material that has undergone quenching treatment.

[0020] The method of using this utility model is as follows:

[0021] After the injection mold is assembled, observe the positional deviation of the extra-long water inlet pipe. Based on the direction of the positional deviation of the extra-long water inlet pipe, adjust the circumferential rotation angle of the eccentric sleeve and set the circumferential rotation angle of the correction guide sleeve. Insert a pair of half-correction guide sleeves into the inner hole of the eccentric sleeve to correct the positional deviation of the extra-long water inlet pipe.

[0022] The beneficial effects of this utility model are:

[0023] First, the present invention provides a correction structure for installing an extra-long water inlet pipe in an injection mold. By setting a correction guide sleeve on the water inlet pipe through hole of the moving mold, the extra-long water inlet pipe can be forcibly corrected, ensuring that the rear end of the extra-long water inlet pipe will not interfere with the components located behind the moving mold on the injection mold.

[0024] Secondly, the present invention provides a correction structure for installing an extra-long water inlet pipe in an injection mold. The correction guide sleeve adopts a split structure, which ensures that the installation connection between the extra-long water inlet pipe and the moving mold top block is not affected, and at the same time makes the installation of the correction guide sleeve more convenient.

[0025] Third, the correction structure for installing an extra-long water inlet pipe in an injection mold according to this utility model is equipped with a fine-tuning device for the correction amount. This device adjusts the correction amount by combining and varying the circumferential rotation angles of the correction guide sleeve and the circumferential rotation angle of the eccentric sleeve, thereby correcting the extra-long water inlet pipe in a certain circumferential direction and obtaining a specific fine-tuning correction amount. This design allows the extra-long water inlet pipe to be corrected to be coaxial with the water inlet pipe through hole on the moving mold, or to be non-coaxial with it, offering greater flexibility. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of a moving mold structure with a moving mold top block in a correction structure for installing an extra-long water inlet pipe of an injection mold according to this utility model.

[0027] Figure 2 yes Figure 1 A schematic diagram of a structure in which an extra-long water inlet pipe is connected to the top block of the moving mold.

[0028] Figure 3 Is Figure 1 A schematic diagram of a structure with a correction mechanism on the moving mold;

[0029] Figure 4 yes Figure 3 A schematic diagram of the corrective guide sleeve in the middle.

[0030] In the diagram: 1. Moving mold, 2. Moving mold top block, 3. Water inlet pipe through hole, 4. Extra-long water inlet pipe, 5. Extra-long water inlet pipe correction structure, 6. Correction guide sleeve, 7. Inner hole center plane, 8. Guide cone surface, 9. Positioning expansion hole, 10. Correction amount fine adjustment device, 11. Eccentric sleeve, 12. Flange, 13. Pressure ring, 14. Screw, 15. Split correction guide sleeve, 16. Disassembly screw hole.

[0031] In the diagram: A is the front side of the moving mold, and B is the rear side of the moving mold. Detailed Implementation

[0032] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solution of this utility model and should not be construed as limiting the scope of protection of this utility model.

[0033] like Figures 1 to 4 The illustration shows an embodiment of a correction structure for installing an extra-long water inlet pipe in an injection mold according to the present invention. It includes a moving mold 1, a moving mold top block 2 disposed on the moving mold 1, a water inlet pipe through-hole 3 disposed on the moving mold 1, and an extra-long water inlet pipe 4 connected to the moving mold top block 2 and passing through the water inlet pipe through-hole 3. The moving mold top block 2 is further provided with an extra-long water inlet pipe correction structure 5 for correcting positional errors of the extra-long water inlet pipe 3 to prevent interference between the extra-long water inlet pipe 3 and components behind the moving mold 1 on the injection mold. The extra-long water inlet pipe correction structure 5 includes a correction guide sleeve 6 disposed on the water inlet pipe through-hole 3 of the moving mold 1, and the correction guide sleeve 6 is located at the rear opening of the water inlet pipe through-hole 3 on the moving mold 1. The outer circle of the extra-long water inlet pipe 4 is adapted to the inner hole of the correction guide sleeve 6.

[0034] As a further improvement of this embodiment, the correction guide sleeve 6 is a correction guide sleeve 6 formed by splicing a pair of split correction guide sleeves 15. The pair of split correction guide sleeves 15 are formed by cutting the correction guide sleeve 6, which is processed into a whole, along the inner hole center plane 7 by wire cutting.

[0035] Preferably, the outer circle of the front end of the correction guide sleeve 6 is provided with a guide cone surface 8.

[0036] As a further improvement of this embodiment, the ultra-long water inlet pipe correction structure 5 also includes a positioning enlarged hole 9 located at the opening of the water inlet pipe through hole 3 on the rear side of the moving mold 1, and a correction amount fine adjustment device 10 for finely adjusting the offset position of the ultra-long water inlet pipe 4 is provided on the positioning enlarged hole 9. The correction amount fine adjustment device 10 includes an eccentric sleeve 11 rotatably disposed on the positioning enlarged hole 9, and the correction guide sleeve 6 is positioned in the inner hole of the eccentric sleeve 11.

[0037] Preferably, the rear end of the eccentric sleeve 11 is provided with a flange 12, which is one of a flat flange, a square flange, or a hexagonal flange.

[0038] The flat flange is a flange with two parallel planes cut on both sides of the outer circle. Like the four-sided flange and the hexagonal flange, it can be easily rotated using a plate head to adjust the position of the central axis of the inner hole of the eccentric sleeve 11.

[0039] In this embodiment, the correction amount fine adjustment device 10 further includes a pressure ring 13 for pressing and fixing the flange 12 onto the positioning expansion hole 9 of the moving mold 1. The pressure ring 13 is connected to the rear end face of the moving mold 1 by screws 14 and presses the flange 12.

[0040] Preferably, the inner hole of the correction guide sleeve 6 is eccentrically positioned to the left relative to the outer circle of the correction guide sleeve 6, and the inner hole of the eccentric sleeve 11 is eccentrically positioned to the right relative to the outer circle of the eccentric sleeve 11. Furthermore, the leftward eccentricity of the inner hole of the correction guide sleeve 6 relative to the outer circle of the correction guide sleeve 6 is equal to the rightward eccentricity of the inner hole of the eccentric sleeve 11 relative to the outer circle of the eccentric sleeve 11.

[0041] The above settings represent the initial position settings of the guiding sleeve 6 and the eccentric sleeve 11. When both the guiding sleeve 6 and the eccentric sleeve 11 are in their initial positions, the inner hole of the guiding sleeve 6 is coaxial with the water inlet pipe through hole 3 on the moving mold 1. By adjusting the combination of the circumferential rotation angles of the guiding sleeve 6 and the eccentric sleeve 11, the extra-long water inlet pipe 4 can be corrected in a certain circumferential direction, achieving a certain amount of fine-tuning correction. This setting allows the extra-long water inlet pipe 4 to be corrected to be coaxial with the water inlet pipe through hole 3 on the moving mold 1, or to be non-coaxial, offering greater flexibility.

[0042] Preferably, the rear ends of the pair of split-correction guide sleeves 15 are respectively provided with disassembly screw holes 16 for easy disassembly.

[0043] In this embodiment, the inner diameter of the pressure ring 13 is smaller than the outer diameter of the correction guide sleeve 6, so that the correction guide sleeve 6 can be blocked axially to prevent the correction guide sleeve 6 from falling out of the positioning expansion hole 9.

[0044] In this embodiment, the extra-long water inlet pipes 4 are arranged in pairs on the injection mold to form a cooling water circuit.

[0045] Preferably, the eccentric sleeve 11 is an eccentric sleeve made of Babbitt alloy.

[0046] Preferably, the correction guide sleeve 6 is a correction guide sleeve made of carbon steel material that has undergone quenching treatment.

[0047] The usage method of this embodiment is as follows:

[0048] After the injection mold is assembled, observe the positional deviation of the extra-long water inlet pipe 4. Based on the positional deviation direction of the extra-long water inlet pipe 4, adjust the circumferential rotation angle of the eccentric sleeve 11 and set the circumferential rotation angle of the correction guide sleeve 6. Insert a pair of split correction guide sleeves 15 into the inner hole of the eccentric sleeve 11 to correct the positional deviation of the extra-long water inlet pipe 4.

[0049] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A deviation rectifying structure for an injection mold super-long water inlet pipe installation, characterized in that, The injection mold includes a movable mold, a movable mold top block arranged on the movable mold, a water inlet pipe passing hole arranged on the movable mold, an ultra-long water inlet pipe connected to the movable mold top block and passing through the water inlet pipe passing hole, and an ultra-long water inlet pipe deviation correction structure arranged on the movable mold top block and used for correcting position error of the ultra-long water inlet pipe to prevent interference between the ultra-long water inlet pipe and a part on a rear side of the movable mold of the injection mold, wherein the ultra-long water inlet pipe deviation correction structure includes a deviation correction guide sleeve arranged on the water inlet pipe passing hole of the movable mold and located at a rear side hole opening position of the water inlet pipe passing hole on the movable mold, and an outer circle of the ultra-long water inlet pipe is matched with an inner hole of the deviation correction guide sleeve.

2. The deviation-correcting structure for an injection mold super-long water inlet pipe installation according to claim 1, characterized in that, The deviation correction guide sleeve is formed by a pair of half deviation correction guide sleeves which are split from a whole deviation correction guide sleeve by wire cutting along a center plane of the inner hole.

3. The deviation-correcting structure for an injection-molded over-length water inlet pipe installation according to claim 1, characterized in that, A guide conical surface is arranged on a front end outer circle of the deviation correction guide sleeve.

4. The deviation-correcting structure for an injection-molded over-length water inlet pipe installation according to claim 1, characterized in that, The ultra-long water inlet pipe deviation correction structure further includes a positioning hole expansion arranged at a hole opening position of the water inlet pipe passing hole on the rear side of the movable mold, and a deviation correction amount fine adjustment device used for fine adjustment of deviation of the ultra-long water inlet pipe is arranged on the positioning hole expansion, wherein the deviation correction amount fine adjustment device includes an eccentric sleeve which is rotationally arranged on the positioning hole expansion, and the deviation correction guide sleeve is positioned in the inner hole of the eccentric sleeve.

5. The deviation-correcting structure for an injection-molded over-length water inlet pipe installation according to claim 4, characterized in that, A flange is arranged at a rear end of the eccentric sleeve, and the flange is one of a flat flange, a four-flange or a six-flange.

6. The deviation-correcting structure for an injection-molded over-length water inlet pipe installation according to claim 5, characterized in that, The deviation correction amount fine adjustment device further includes a pressing ring used for pressing and fixing the flange on the positioning hole expansion of the movable mold, and the pressing ring is connected to a rear side end surface of the movable mold by a screw and presses the flange.

7. The deviation-correcting structure for an injection-molded over-length water inlet pipe installation according to claim 4, characterized in that, The inner hole of the deviation correction guide sleeve is eccentrically arranged to a left side direction relative to the outer circle of the deviation correction guide sleeve, the inner hole of the eccentric sleeve is eccentrically arranged to a right side direction relative to the outer circle of the eccentric sleeve, and the left side eccentric amount of the inner hole of the deviation correction guide sleeve relative to the outer circle of the deviation correction guide sleeve is equal to the right side eccentric amount of the inner hole of the eccentric sleeve relative to the outer circle of the eccentric sleeve.

8. The deviation-correcting structure for an injection-molded over-length water inlet pipe installation according to claim 6, characterized in that, An inner diameter of the pressing ring is smaller than an outer diameter of the deviation correction guide sleeve, so that the deviation correction guide sleeve can be blocked in an axial direction to prevent the deviation correction guide sleeve from falling off from the positioning hole expansion.

9. The deviation-correcting structure for an injection-molded over-length water inlet pipe installation according to claim 2, characterized in that, Rear ends of the pair of half deviation correction guide sleeves are respectively provided with dismounting screw holes for facilitating dismounting.

10. The deviation-correcting structure for an injection-molded over-length water inlet pipe installation according to claim 4, characterized in that, The eccentric sleeve is made of babbitt alloy, and the deviation correction guide sleeve is made of carbon steel material and is subjected to quenching treatment.

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