Injection mold and injection molding method

Abstract

The invention relates to the technical field of injection molds, in particular to an injection mold and an injection molding method. Comprising a body assembly and a cooling assembly, the body assembly can be installed in the cooling assembly to rotate, the cooling assembly comprises a bottom box, a lead screw is rotationally connected to the left side in the bottom box, an arc-shaped pipe is fixedly connected to the rear end of the bottom box, and a plurality of sprayers communicating with the interior of the arc-shaped pipe are arranged on the inner wall of the front side of the arc-shaped pipe; the rear end of the arc-shaped pipe is connected with a water pump through a pipeline. The body assembly slides on the bottom box and can be driven by the lead screw to move to the middle of the arc-shaped pipe, so that the sprayer sprays cold water to the body assembly for cooling. And the mold can be conveniently replaced and positioned in the using process, and the cooling speed can also be increased.

Description

Technical Field

[0001] The invention relates to the technical field of injection molds, and more particularly to an injection mold and an injection molding method. Background Art

[0002] Injection molds are a way of producing parts. Current injection molds are all manually assembled when in use, which is not only time-consuming and labor-intensive, but also slow in the positioning process. In addition, the molds are cooled at room temperature during production, resulting in a longer overall injection time and lower efficiency. Therefore, the present application provides an injection mold and an injection molding method, which can facilitate the replacement and positioning of the mold during use and can also accelerate the cooling speed. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the present invention provides an injection mold and an injection molding method, which can facilitate the replacement and positioning of the mold during use and can also accelerate the cooling speed.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] An injection mold comprises a body assembly and a cooling assembly, wherein the body assembly can be installed in the cooling assembly for rotation, and the cooling assembly comprises a bottom box, wherein the left side of the bottom box is rotatably connected to a lead screw, and the rear end of the bottom box is fixedly connected to an arc tube, and a plurality of sprayers connected to the inside of the arc tube are arranged on the front inner wall of the arc tube, and the rear end of the arc tube is connected to a water pump through a pipeline, and the body assembly slides on the bottom box and can be driven by the lead screw to move to the middle of the arc tube so that the sprayer sprays cold water on the body assembly for cooling;

[0006] The body assembly includes a mold frame and two side walls. The outer ends of the two side walls are detachably connected with sliders. The left slider is provided with a threaded hole and connected to the lead screw. The right slider is slidably connected to the right side of the bottom box. The mold frame is rotatably connected between the two side walls.

[0007] The mold frame includes two side frames and two outer frames, and the molds are detachably connected to the two outer frames. The two side frames are rotatably connected to the two side walls respectively. An outer frame is fixedly connected to the inner side of the lower end of the two side frames, and the left and right ends of the other outer frame are rotatably connected to the side sleeves. The two side sleeves are slidably connected to the two side frames respectively. A screw rod is rotatably connected to one of the side frames, and the side sleeve sliding on the side frame is connected to the screw rod through a threaded hole, and the screw rod can drive the side sleeve to move up and down.

[0008] An injection molding method, the method comprising the following steps:

[0009] S1: Install the two molds on two pallets respectively, and rotate the upper outer frame to invert the upper mold;

[0010] S2: The upper outer frame is driven down by the screw rod, so that the two molds are buckled together to complete the docking and injection molding;

[0011] S3: After the injection molding is completed, the side frame is slowly rotated on the side wall, and cold water is sprayed on the outer surfaces of the two molds through the cooling assembly to cool them down;

[0012] S4: After cooling, reverse the operation, open the two molds and take out the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0014] Figure 1 It is a structural schematic diagram of the injection mold in the present invention;

[0015] Figure 2 It is a structural schematic diagram of the injection mold in the present invention from another angle;

[0016] Figure 3 It is a structural schematic diagram of the card board in the present invention;

[0017] Figure 4 It is a structural schematic diagram of the card board in the present invention;

[0018] Figure 5 It is a structural schematic diagram of the mold in the present invention;

[0019] Figure 6 It is a structural schematic diagram of the roller in the present invention;

[0020] Figure 7 It is a structural schematic diagram of the outer frame in the present invention;

[0021] Figure 8 It is a schematic diagram of the structure of the side frame in the present invention;

[0022] Fig. 9 It is a structural schematic diagram of the transfer rod in the present invention;

[0023] Fig.10 It is a structural schematic diagram of the mold assembly in the present invention;

[0024] Fig.11 It is a structural schematic diagram of the cooling assembly in the present invention;

[0025] In the figure: the pallet 01; the rear wall 02; the T-shaped table 03; the bottom sleeve 04; the mold 05; the pallet 06; the side channel 07; the roller 08; the outer frame 09; the baffle 10; the rotating rod 11; the side sleeve 12; the pin 13; the side frame 14; the screw 15; the side wall 16; the slider 17; the bottom box 18; the screw 19; the arc tube 20. DETAILED DESCRIPTION

[0026] Refer to the attached Figures 1 to 11 From the structure shown, it can be understood that an exemplary operation process of accelerated cooling of the present application is:

[0027] An injection mold includes a body assembly and a cooling assembly. The body assembly can be installed in the cooling assembly for rotation. The cooling assembly includes a bottom box 18. A lead screw 19 is rotatably connected to the left side of the bottom box 18. An arc tube 20 is fixedly connected to the rear end of the bottom box 18. A plurality of sprayers connected to the inside of the arc tube 20 are arranged on the front inner wall of the arc tube 20. A water pump is connected to the rear end of the arc tube 20 through a pipeline. The body assembly slides on the bottom box 18 and can be driven by the lead screw 19 to move to the middle of the arc tube 20 so that the sprayer sprays cold water on the body assembly for cooling. After the injection molding is completed, the body assembly can be driven by the lead screw 19 to move to the middle of the arc tube 20, and then the cold water is transported to the arc tube 20 through a pipeline through the water pump, so that the sprayer sprays the cold water on the body assembly, thereby reducing the overall temperature of the body assembly and accelerating the molding of the product inside the body assembly.

[0028] Refer to the attached Figures 1 to 11 From the structure shown, it can be understood that an exemplary operation process of the stable movement of the present application is:

[0029] The main body assembly includes a mold frame and two side walls 16. The outer ends of the two side walls 16 are detachably connected with sliders 17. The slider 17 on the left is provided with a threaded hole and is connected to the lead screw 19. The slider 17 on the right is slidably connected to the right side of the bottom box 18. The mold frame is rotatably connected between the two side walls 16. The lead screw 19 is rotated to drive the slider 17 connected to the lead screw 19 to move, thereby realizing the movement of the two side walls 16 on the bottom box 18.

[0030] Refer to the attached Figures 1 to 11 From the structure shown, it can be understood that an exemplary operation process of uniform cooling of the present application is:

[0031] The mold frame includes two side frames 14 and two outer frames 09, and the mold 05 is detachably connected to the two outer frames 09. The two side frames 14 are rotatably connected to the two side walls 16 respectively. An outer frame 09 is fixedly connected to the inner side of the lower end of the two side frames 14, and the left and right ends of the other outer frame 09 are rotatably connected to the side sleeves 12. The two side sleeves 12 are slidably connected to the two side frames 14 respectively, and a screw rod 15 is rotatably connected to one of the side frames 14. The side sleeve 12 sliding on the side frame 14 is connected to the screw rod 15 through a threaded hole, and the screw rod 15 can drive the side sleeve 12 to move up and down; At the same time, when the sprayer sprays cold water outward, it can be driven by a motor to rotate the screw 15, which can drive the outer frame 09 located above to descend, so that the mold 05 located above can be lowered and engaged with the mold 05 located below, thereby forming a mold assembly for injection molding. Subsequently, when spraying water for cooling, the side frame 14 can be driven by the motor to rotate on the side wall 16, so that the mold 05 can rotate slowly, so that the sprayer can evenly spray cold water on the outer surface of the mold 05 for cooling, so that the mold 05 can evenly dissipate heat when cooling.

[0032] Refer to the attached Figures 1 to 11 From the structure shown, it can be understood that an exemplary operation process of the quick installation of the present application is:

[0033] The front end of the outer frame 09 is open, and grooves are formed on the inner walls on the left and right sides of the outer frame 09, and a card plate 06 is in sliding contact with the two grooves, and a baffle 10 is detachably connected to the front end of the outer frame 09; the card plate 01 is detachably connected to the card plate 06, and a rear wall 02 is formed at the rear end of the card plate 01, and a T-shaped platform 03 is formed in the middle of the card plate 01, and a bottom sleeve 04 is in sliding contact with the T-shaped platform 03, and the bottom sleeve 04 is fixedly connected to the outer end of the mold 05; bolts are used to install the card plate 01 on the card plate 06, and the mold 05 can be quickly installed by sliding the bottom sleeve 04 and the T-shaped platform 03. When in use, the baffle 10 can be opened to slide the card plate 06 out of the outer frame 09 for replacement, so that the mold 05 can be quickly replaced and maintained;

[0034] In addition, the rear end surface of the baffle 10 can contact the front end of the bottom sleeve 04 and the front end of the card plate 06. After replacement, the baffle 10 can be installed to press the bottom sleeve 04 and the card plate 06 to avoid shaking and causing damage.

[0035] Refer to the attached Figures 1 to 11 From the structure shown, it can be understood that an exemplary operation process of reducing friction of the present application is:

[0036] Side channels 07 are formed on the upper and lower sides of the left and right ends of the card plate 06. In each side channel 07, a number of rollers 08 are evenly distributed along the length direction of the side channel 07, and the several rollers 08 roll in contact with the grooves. When the card plate 06 is slid, the rolling contact of the several rollers 08 can be utilized to reduce the friction between the card plate 06 and the grooves, so that the card plate 06 can be more easily disassembled and installed with the outer frame 09.

[0037] Refer to the attached Figures 1 to 11 From the structure shown, it can be understood that an exemplary operation process of facilitating positioning of the present application is:

[0038] A rotating rod 11 is formed at the left end of the outer frame 09 located at the top, and the rotating rod 11 passes through the side sleeve 12. A through hole is opened in the front-to-back direction of the outer end of the rotating rod 11, and a pin 13 that can pass through the through hole is slidably connected to the outer side of the side sleeve 12; the upper outer frame 09 can be rotated to make the outer frame 09 face upward when installing the mold 05, so as to facilitate the installation of the mold 05, and after the installation is completed, the outer frame 09 can be rotated downward to make the mold 05 rotate downward for assembly and positioning.

[0039] An injection molding method, the method comprising the following steps:

[0040] S1: Install two molds 05 on two pallet plates 01 respectively, and rotate the upper outer frame 09 to invert the upper mold 05;

[0041] S2: The upper outer frame 09 is driven down by the screw rod 15, so that the two molds 05 are buckled together to complete the docking and injection molding;

[0042] S3: After the injection molding is completed, the side frame 14 is slowly rotated on the side wall 16, and cold water is sprayed on the outer surfaces of the two molds 05 through the cooling assembly to cool them down;

[0043] S4: After cooling, reverse the operation, open the two molds 05 and take out the product.

Claims

1. An injection mold, characterized in that: The invention comprises a body assembly and a cooling assembly. The body assembly can be installed in the cooling assembly for rotation. The cooling assembly comprises a bottom box (18). A lead screw (19) is rotatably connected to the left side of the bottom box (18). An arc tube (20) is fixedly connected to the rear end of the bottom box (18). A plurality of sprayers connected to the inside of the arc tube (20) are arranged on the front inner wall of the arc tube (20). A water pump is connected to the rear end of the arc tube (20) through a pipeline. The body assembly slides on the bottom box (18) and can be driven by the lead screw (19) to move to the middle of the arc tube (20) so that the sprayer sprays cold water on the body assembly for cooling.

2. The injection mold according to claim 1, characterized in that: The main body assembly comprises a mold frame and two side walls (16). The outer ends of the two side walls (16) are detachably connected with sliders (17). The left slider (17) is provided with a threaded hole and connected to a lead screw (19). The right slider (17) is slidably connected to the right side of the bottom box (18). The mold frame is rotatably connected between the two side walls (16).

3. The injection mold according to claim 2, characterized in that: The mold frame comprises two side frames (14) and two outer frames (09), and the molds (05) are detachably connected to the two outer frames (09). The two side frames (14) are rotatably connected to the two side walls (16), and an outer frame (09) is fixedly connected to the inner side of the lower ends of the two side frames (14). The left and right ends of the other outer frame (09) are rotatably connected to the side sleeves (12). The two side sleeves (12) are slidably connected to the two side frames (14), and one of the side frames (14) is rotatably connected to a screw rod (15). The side sleeve (12) sliding on the side frame (14) is connected to the screw rod (15) through a threaded hole, and the screw rod (15) can drive the side sleeve (12) to move up and down.

4. The injection mold according to claim 3, characterized in that: The front end of the outer frame (09) is open, and grooves are formed on the inner walls on both sides of the outer frame (09). A clamping plate (06) is slidably contacted in the two grooves, and a baffle (10) is detachably connected to the front end of the outer frame (09).

5. The injection mold according to claim 4, characterized in that: The card plate (06) is detachably connected to a card plate (01), a rear wall (02) is formed at the rear end of the card plate (01), a T-shaped platform (03) is formed in the middle of the card plate (01), a bottom sleeve (04) is slidably contacted on the T-shaped platform (03), and the bottom sleeve (04) is fixedly connected to the outer end of the mold (05).

6. The injection mold according to claim 5, characterized in that: The rear end surface of the baffle (10) can contact the front end of the bottom sleeve (04) and the front end of the clamping plate (06).

7. The injection mold according to claim 3, characterized in that: Side channels (07) are formed on the upper and lower sides of the left and right ends of the clamping plate (06), and a plurality of rollers (08) are evenly distributed in each side channel (07) along the length direction of the side channel (07), and the plurality of rollers (08) roll in contact with the groove.

8. The injection mold according to claim 7, characterized in that: A rotating rod (11) is formed at the left end of the outer frame (09) located at the top. The rotating rod (11) passes through the side sleeve (12). A through hole is opened in the front-to-back direction of the outer end of the rotating rod (11). A pin shaft (13) capable of passing through the through hole is slidably connected to the outer side of the side sleeve (12).

9. The injection mold according to claim 7, characterized in that: The side frame (14), the lead screw (15) and the lead screw (19) are respectively driven to rotate by a reduction motor.

10. An injection molding method, characterized in that: The method uses the injection mold according to claim 8, and comprises the following steps: S1: Install two molds (05) on two pallet plates (01) respectively, and rotate the upper outer frame (09) to invert the upper mold (05); S2: The upper outer frame (09) is driven down by the screw rod (15), so that the two molds (05) are engaged with each other to complete the docking and perform injection molding; S3: After the injection molding is completed, the side frame (14) is slowly rotated on the side wall (16), and cold water is sprayed on the outer surfaces of the two molds (05) through the cooling assembly to cool them down; S4: After cooling, reverse the operation, open the two molds (05) and take out the product.

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