Injection mold convenient to disassemble

Abstract

The utility model relates to the technical field of injection molds, in particular to an injection mold convenient to disassemble, which can ensure the accuracy during mold assembly, effectively reduce the power consumption and is lower in carbon and more environment-friendly. Comprising a bottom plate, four supporting legs are fixedly arranged at the bottom end of the bottom plate, four stand columns are fixedly connected to the top end of the bottom plate, a top plate is fixedly connected to the top ends of the four stand columns, a hydraulic telescopic rod is fixedly installed at the top end of the top plate, and the output end of the hydraulic telescopic rod is fixedly connected with an upper mold plate; four sets of guide columns are symmetrically and fixedly connected between the bottom end of the top plate and the top end of the bottom plate, four sets of guide sleeve plates are symmetrically and fixedly arranged on the upper die plate, the four sets of guide sleeve plates are slidably arranged on the four sets of guide columns in a sleeving mode respectively, two sets of connecting plates are symmetrically and fixedly connected to the inner sides of the two sets of lifting plates, and the four sets of connecting plates are slidably arranged on the four sets of guide columns in a sleeving mode respectively. The four sets of connecting plates are fixedly connected with right-angle clamping plates correspondingly, and the four sets of right-angle clamping plates are clamped to the four corners of the lower die correspondingly.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold which is easy to disassemble. Background Art

[0002] Injection mold is a tool for producing plastic products, and also a tool for giving plastic products a complete structure and precise size. Injection molding is a processing method used in mass production of certain parts with complex shapes. Specifically, it refers to the process of injecting heated and melted plastic into the mold cavity under high pressure by an injection molding machine, and obtaining a molded product after cooling and solidification.

[0003] For example, the utility model with patent publication number CN214324024U discloses an injection mold that is easy to disassemble, including a base plate, the left and right ends of the top of the base plate are fixedly connected to side plates, the middle end of the top of the base plate is provided with a groove, the lower mold body is placed on the inner side of the groove, the left and right sides of the lower end of the lower mold body are provided with card grooves, the left and right ends of the top of the base plate are provided with slide grooves, a through groove is provided between the slide groove and the groove, an electric push rod is fixedly installed at the lower end of one side of the side plate, the protruding end of the electric push rod is fixedly connected to a slide plate, the upper end of the other side of the slide plate is fixedly connected to a push plate, and the lower end of the other side of the slide plate is fixedly connected to a card column.

[0004] During the operation of the injection mold of the above-mentioned utility model, no guide structure is set for the upper and lower molds, which may cause misalignment during the closing process of the upper and lower molds. At the same time, the above-mentioned utility model uses multiple electric push rods to fix and disassemble the lower mold. The electric push rods also require an external power supply, resulting in high power consumption, which is not in line with the low-carbon and environmentally friendly production concept. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an injection mold which can ensure accuracy during mold closing, effectively reduce power consumption, and is more low-carbon and environmentally friendly and easy to disassemble.

[0006] Technical Solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection mold that is easy to disassemble, comprising a base plate, a mold assembly and a clamping mechanism, wherein four groups of legs are fixedly arranged at the bottom end of the base plate, four groups of columns are fixedly connected to the top end of the base plate, and a top plate is fixedly connected to the top end of the four groups of columns, wherein the mold assembly comprises a hydraulic telescopic rod, which is fixedly installed at the top end of the top plate, an upper template is fixedly connected to the output end of the hydraulic telescopic rod, an upper template is fixedly connected to the bottom end of the upper template, four groups of guide columns are symmetrically fixedly connected between the bottom end of the top plate and the top end of the base plate, four groups of guide sleeves are symmetrically fixedly arranged on the upper template, and the four groups of guide sleeves are respectively slidably sleeved on the four groups of guide sleeves, a positioning groove is arranged at the top end of the base plate, and a lower mold is mounted on the positioning groove The clamping mechanism includes two sets of transmission screws, and the two sets of columns on the left and the two sets of columns on the right are fixedly connected with fixed plates. The two sets of transmission screws are rotatably installed on the two sets of fixed plates respectively, and the bottom ends of the two sets of transmission screws are rotatably connected with the top end of the bottom plate, and the top ends of the two sets of transmission screws are fixed with hand wheels. The two sets of transmission screws are threaded with lifting plates, and two sets of guide rods are fixedly connected between the bottom ends of the two sets of fixed plates and the top end of the bottom plate. The two sets of lifting plates are respectively slidably sleeved on the two sets of guide rods, and the inner sides of the two sets of lifting plates are symmetrically fixedly connected with two sets of connecting plates, and the four sets of connecting plates are respectively slidably sleeved on the four sets of guide columns. The four sets of connecting plates are fixedly connected with right-angle clamping plates, and the four sets of right-angle clamping plates are respectively clamped at the four corners of the lower mold.

[0008] Preferably, an ejection mechanism is provided at the bottom of the base plate, and the ejection mechanism includes a fixing frame, which is fixedly mounted on the bottom end of the base plate, an adjusting screw is threaded on the fixing frame, the bottom end of the adjusting screw is fixedly connected to a turning handle, the top end of the adjusting screw is rotatably connected to a baffle, four groups of ejector columns are equidistantly arranged in an annular manner on the top end of the baffle, four groups of sliding holes are provided in the positioning groove to match the ejector columns, the four groups of ejector columns respectively pass through the four groups of sliding holes, and the top ends of the ejector columns are level with the bottom end of the positioning groove.

[0009] Preferably, both groups of hand wheels are fixedly connected with crank handles.

[0010] Preferably, sliding sleeves are provided on the inner walls of the four groups of guide sleeve plates.

[0011] Preferably, the inner edges of the bottom ends of the four groups of right-angle clamps are all chamfered.

[0012] The beneficial effects of the utility model compared with the prior art are as follows: when in use, by starting the hydraulic telescopic rod, the hydraulic telescopic rod can push the upper template to move downward, so that the upper template drives the upper template to move downward, and the upper template drives the guide sleeve to slide along the guide column, which can play a guiding role for the upper mold, ensuring the accuracy of mold closing. When installing the lower mold, the lower mold is placed on the bottom plate through the positioning of the positioning sink groove, and then the transmission screw rod is rotated by the hand wheel to drive the lifting plate to slide downward along the guide rod, and the guide rod drives the connecting plate to slide downward along the guide column, so that the connecting plate drives the right-angle clamping plate to slide downward until the bottom end of the right-angle clamping plate is against the top of the bottom plate, so that the right-angle clamping plate clamps the lower mold from the four corners to complete the installation of the lower mold. When disassembling, the transmission screw rod is rotated in the opposite direction by the hand wheel to drive the lifting plate to slide upward, and the lifting plate drives the right-angle clamping plate to move upward to the top of the lower mold through the connecting plate, so that the lower mold can be removed, and the disassembly of the lower mold is realized. Compared with the prior art using electric push rods for disassembly, the power consumption can be effectively reduced, which is more low-carbon and environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 2 It is a front structural schematic diagram of the utility model;

[0015] Figure 3 It is a schematic diagram of the axonometric structure of the connection between the upper template and the guide sleeve in the utility model;

[0016] Figure 4 It is a schematic diagram of the axonometric structure of the clamping mechanism in the utility model;

[0017] Figure 5 It is a schematic diagram of the axonometric structure of the ejection mechanism in the utility model;

[0018] Figure 6 It is a schematic diagram of the bottom axonometric structure of the right-angle clamp in the utility model;

[0019] Markings in the attached drawings: 1. bottom plate; 2. outriggers; 3. uprights; 4. top plate; 5. hydraulic telescopic rod; 6. upper template; 7. upper mold; 8. guide column; 9. guide sleeve; 10. lower mold; 11. fixed plate; 12. transmission screw; 13. lifting plate; 14. guide rod; 15. connecting plate; 16. right-angle clamp; 17. fixed frame; 18. adjusting screw; 19. turning handle; 20. baffle; 21. top column; 22. handwheel; 23. crank; 24. sliding sleeve; 25. chamfer. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention. Example

[0021] See also Figure 1-Figure 5 The utility model is an injection mold that is easy to disassemble, comprising a bottom plate 1, four groups of legs 2 are fixedly arranged at the bottom end of the bottom plate 1, four groups of columns 3 are fixedly connected to the top of the bottom plate 1, the top of the four groups of columns 3 are fixedly connected to the top plate 4, a hydraulic telescopic rod 5 is fixedly installed on the top of the top plate 4, an upper template 6 is fixedly connected to the output end of the hydraulic telescopic rod 5, an upper template 6 is fixedly connected to the bottom end of the upper template 6, four groups of guide columns 8 are symmetrically fixedly connected between the bottom end of the top plate 4 and the top of the bottom plate 1, four groups of guide sleeves 9 are symmetrically fixedly arranged on the upper template 6, and the four groups of guide sleeves 9 are respectively slidably sleeved on the four groups of guide columns 8, a positioning groove is arranged at the top of the bottom plate 1, and a lower mold 1 is installed on the positioning groove 0, the two groups of columns 3 on the left and the two groups of columns 3 on the right are fixedly connected with a fixed plate 11, two groups of transmission screws 12 are rotatably installed on the two groups of fixed plates 11, the bottom ends of the two groups of transmission screws 12 are rotatably connected to the top of the bottom plate 1, and the tops of the two groups of transmission screws 12 are fixed with hand wheels 22, and the two groups of transmission screws 12 are threadedly sleeved with lifting plates 13, and the bottom ends of the two groups of fixed plates 11 and the top of the bottom plate 1 are fixedly connected with two groups of guide rods 14, and the two groups of lifting plates 13 are respectively slidably sleeved on the two groups of guide rods 14, and the inner sides of the two groups of lifting plates 13 are symmetrically fixedly connected with two groups of connecting plates 15, and the four groups of connecting plates 15 are respectively slidably sleeved on the four groups of guide rods On the column 8, four groups of connecting plates 15 are fixedly connected with right-angle clamping plates 16, and the four groups of right-angle clamping plates 16 are respectively clamped at the four corners of the lower mold 10; when in use, by starting the hydraulic telescopic rod 5, the hydraulic telescopic rod 5 can push the upper mold plate 6 to move downward, so that the upper mold plate 6 drives the upper mold 7 to move downward, and the upper mold plate 6 drives the guide sleeve plate 9 to slide along the guide column 8, which can play a guiding role for the upper mold 7 to ensure the accuracy of mold closing. When installing the lower mold 10, the lower mold 10 is placed on the bottom plate 1 through the positioning of the positioning sink, and then the transmission screw 12 is rotated by the hand wheel 22, so that the transmission screw 12 drives the lifting plate 13 to slide downward along the guide rod 14, and the guide rod 1 4 drives the connecting plate 15 to slide downward along the guide column 8, so that the connecting plate 15 drives the right-angle clamping plate 16 to slide downward until the bottom end of the right-angle clamping plate 16 abuts against the top of the bottom plate 1, so that the right-angle clamping plate 16 clamps the lower mold 10 from the four corners, and the installation of the lower mold 10 is completed. When disassembling, the transmission screw 12 is rotated in the opposite direction through the hand wheel 22, so that the transmission screw 12 drives the lifting plate 13 to slide upward, and the lifting plate 13 drives the right-angle clamping plate 16 to move upward to the top of the lower mold 10 through the connecting plate 15, so that the lower mold 10 can be removed, and the disassembly of the lower mold 10 is realized. Compared with the prior art using an electric push rod for the disassembly process, it can effectively reduce power consumption and is more low-carbon and environmentally friendly.

[0022] The bottom of the bottom plate 1 is provided with an ejection mechanism, and the ejection mechanism includes a fixing frame 17, the fixing frame 17 is fixedly mounted on the bottom end of the bottom plate 1, an adjusting screw rod 18 is screwed on the fixing frame 17, the bottom end of the adjusting screw rod 18 is fixedly connected with a turning handle 19, and the top end of the adjusting screw rod 18 is rotatably connected with a baffle plate 20, and the top end of the baffle plate 20 is annularly equidistantly provided with four groups of ejector columns 21, and the positioning groove is provided with four groups of sliding holes matching the ejector columns 21, and the four groups of ejector columns 21 pass through the four groups of sliding holes respectively, and the top end of the ejector column 21 is level with the bottom end of the positioning groove; when demoulding the lower mold 10, the adjusting screw rod 18 is rotated and adjusted by the turning handle 19, so that the adjusting screw rod 18 pushes the baffle plate 20 to move upward, so that the baffle plate 20 pushes the ejector column 21 to slide upward along the sliding hole, so that the ejector column 21 ejects the lower mold 10 out of the positioning groove, so that the bottom end of the lower mold 10 is level with the top end of the bottom plate 1, and then the lower mold 10 can be removed, making it more convenient to remove the lower mold 10.

[0023] The two groups of hand wheels 22 are both fixedly connected with a crank 23; by providing the crank 23, the hand wheels 22 can be more convenient to rotate.

[0024] The inner walls of the four groups of guide sleeves 9 are all provided with sliding sleeves 24 ; by providing the sliding sleeves 24 , the guide sleeves 9 can slide more smoothly on the guide posts 8 .

[0025] The inner edges of the bottom ends of the four groups of right-angle clamps 16 are all provided with chamfers 25; by providing the chamfers 25, the right-angle clamps 16 can slide over the outer wall of the lower mold 10 more easily when the lower mold 10 is clamped and limited, avoiding collision with the corners of the lower mold 10.

[0026] The utility model is an injection mold that is easy to disassemble. Its working principle is that when in use, by starting the hydraulic telescopic rod 5, the hydraulic telescopic rod 5 can push the upper mold plate 6 to move downward, so that the upper mold plate 6 drives the upper mold 7 to move downward, and the upper mold plate 6 drives the guide sleeve plate 9 to slide along the guide column 8, which can play a guiding role on the upper mold 7 to ensure the accuracy of mold closing. When installing the lower mold 10, the lower mold 10 is placed on the bottom plate 1 through the positioning of the positioning sink groove, and then the transmission screw rod 12 is rotated by the hand wheel 22, so that the transmission screw rod 12 drives the lifting plate 13 to slide downward along the guide rod 14, and the guide rod 14 drives the connecting plate 15 to slide downward along the guide column 8, so that the connecting plate 15 drives the right-angle clamping plate 16 to slide downward. Until the bottom end of the right-angle clamping plate 16 is against the top of the bottom plate 1, the right-angle clamping plate 16 clamps the lower mold 10 from the four corners to complete the installation of the lower mold 10. When disassembling, the transmission screw 12 is rotated in the opposite direction by the hand wheel 22, so that the transmission screw 12 drives the lifting plate 13 to slide upward, and the lifting plate 13 drives the right-angle clamping plate 16 to move upward to the top of the lower mold 10 through the connecting plate 15, and then the adjusting screw 18 is rotated by the turning handle 19 to adjust the adjusting screw 18 so that the adjusting screw 18 pushes the baffle 20 to move upward, so that the baffle 20 pushes the top column 21 to slide upward along the sliding hole, so that the top column 21 pushes the lower mold 10 out of the positioning groove, so that the bottom end of the lower mold 10 is level with the top of the bottom plate 1, and then the lower mold 10 can be removed to realize the disassembly of the lower mold 10.

[0027] The utility model discloses an injection mold that is easy to disassemble, and its installation method, connection method or setting method are all common mechanical methods, and can be implemented as long as they can achieve their beneficial effects; the hydraulic telescopic rod of the injection mold that is easy to disassemble of the utility model is purchased on the market, and technicians in this industry only need to install and operate it according to the accompanying instruction manual.

[0028] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An injection mold that is easy to disassemble, comprising a base plate (1), characterized in that: Also included is a mold assembly and a clamping mechanism; A bottom plate (1), wherein four groups of legs (2) are fixedly provided at the bottom end of the bottom plate (1), four groups of columns (3) are fixedly connected to the top end of the bottom plate (1), and a top plate (4) is fixedly connected to the top end of the four groups of columns (3); A mold assembly, the mold assembly comprising a hydraulic telescopic rod (5), the hydraulic telescopic rod (5) being fixedly mounted on the top of a top plate (4), the output end of the hydraulic telescopic rod (5) being fixedly connected to an upper mold plate (6), the bottom end of the upper mold plate (6) being fixedly connected to an upper mold (7), four groups of guide columns (8) being symmetrically fixedly connected between the bottom end of the top plate (4) and the top end of the bottom plate (1), four groups of guide sleeves (9) being symmetrically fixedly mounted on the upper mold plate (6), the four groups of guide sleeves (9) being slidably mounted on the four groups of guide columns (8), the top end of the bottom plate (1) being provided with a positioning groove, the positioning groove being provided with a lower mold (10); The clamping mechanism comprises two groups of transmission screws (12), the two groups of columns (3) on the left and the two groups of columns (3) on the right are fixedly connected with a fixed plate (11), the two groups of transmission screws (12) are rotatably mounted on the two groups of fixed plates (11), the bottom ends of the two groups of transmission screws (12) are rotatably connected to the top of the bottom plate (1), the top ends of the two groups of transmission screws (12) are fixedly provided with a hand wheel (22), the two groups of transmission screws (12) are threadedly sleeved with a lifting plate (13), and the two groups of fixed Two groups of guide rods (14) are fixedly connected between the bottom end of the plate (11) and the top end of the bottom plate (1), and the two groups of lifting plates (13) are respectively slidably mounted on the two groups of guide rods (14). Two groups of connecting plates (15) are symmetrically fixedly connected to the inner sides of the two groups of lifting plates (13). The four groups of connecting plates (15) are respectively slidably mounted on the four groups of guide columns (8). The four groups of connecting plates (15) are fixedly connected with right-angle clamping plates (16), and the four groups of right-angle clamping plates (16) are respectively clamped at the four corners of the lower mold (10).

2. The easily disassembled injection mold according to claim 1, characterized in that: The bottom of the base plate (1) is provided with an ejection mechanism, the ejection mechanism comprising a fixing frame (17), the fixing frame (17) is fixedly mounted on the bottom end of the base plate (1), an adjusting screw rod (18) is screwed on the fixing frame (17), the bottom end of the adjusting screw rod (18) is fixedly connected to a turning handle (19), the top end of the adjusting screw rod (18) is rotatably connected to a baffle plate (20), the top end of the baffle plate (20) is annularly equidistantly provided with four groups of ejection columns (21), the positioning groove is provided with four groups of sliding holes matched with the ejection columns (21), the four groups of ejection columns (21) respectively pass through the four groups of sliding holes, and the top end of the ejection column (21) is level with the bottom end of the positioning groove.

3. The easily disassembled injection mold according to claim 2, characterized in that: The two groups of hand wheels (22) are both fixedly connected with a crank handle (23).

4. The easily disassembled injection mold according to claim 3, characterized in that: The inner walls of the four groups of guide sleeve plates (9) are all provided with sliding sleeves (24).

5. The easily disassembled injection mold according to claim 4, characterized in that: The inner edges of the bottom ends of the four groups of right-angle clamping plates (16) are all provided with chamfers (25).

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