Double-wall corrugated pipe forming die

Abstract

The utility model provides a double-wall corrugated pipe forming die which comprises a bottom plate and a die body, a supporting plate, a rotating device and a supporting seat are arranged on the bottom plate, a gear plate is rotationally connected to the supporting plate, a discharging plate is rotationally connected to the supporting seat, a die core and a lifting mechanism are arranged on the gear plate, and the die body comprises a lower die seat and an upper die seat. The lower die base is fixedly connected with the gear plate, the upper die base is connected with the gear plate in a sliding mode through a lifting mechanism, the other end of the lower die base is fixedly connected with the discharging plate, a sealing plate is connected to the discharging plate in an inserted mode, and the gear plate is provided with a pushing rod and a feeding port. According to the double-wall corrugated pipe forming mold provided by the utility model, after raw materials are injected into the mold, the device can be integrally rotated through the gear plate and the rotating device, so that the mold is uniformly filled with injection molding liquid, and the forming quality is improved; and through cooperation of the push rod, the lifting mechanism and the upper mold base, the demolding efficiency of the corrugated pipe finished product can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of forming molds, in particular to a double-wall corrugated pipe forming mold. Background Art

[0002] Polyethylene double-wall corrugated pipe is a new type of pipe with an annular outer wall and a smooth inner wall. Polyethylene double-wall corrugated pipe has excellent chemical stability, aging resistance and environmental stress cracking resistance. Polyethylene double-wall corrugated pipe needs to be formed by a molding mold during the manufacturing process.

[0003] The existing double-wall corrugated pipe forming mold is not filled evenly after injection molding. At the same time, after the molding is completed, it is inconvenient to disassemble and assemble, which reduces the demoulding efficiency and increases the production time.

[0004] Therefore, it is necessary to provide a double-wall corrugated pipe forming die to solve the above technical problems. Utility Model Content

[0005] The utility model provides a double-wall corrugated pipe forming mold, which solves the problem that the existing double-wall corrugated pipe forming mold has uneven filling after injection molding, and is inconvenient to disassemble and assemble, which reduces the demoulding efficiency and increases the production time.

[0006] In order to solve the above technical problems, the double-wall corrugated pipe forming mold provided by the utility model comprises: a base plate and a mold, the base plate is provided with a support plate, a rotating device and a support seat, the support plate is rotatably connected with a gear plate, the support seat is rotatably connected with a discharge plate, the gear plate is fixedly connected with a mold core and a lifting mechanism, the mold comprises a lower mold base and an upper mold base, the lower mold base is fixedly connected with the gear plate, the upper mold base is slidably connected with the gear plate through a lifting mechanism, the other end of the lower mold base is fixedly connected with the discharge plate, a closing plate is inserted into the discharge plate, and a push rod and a feed port are provided on the gear plate.

[0007] Preferably, the pushing rod includes an electric telescopic rod and a pushing rod, the electric telescopic rod is fixedly connected to the gear plate, the output end of the electric telescopic rod is fixedly connected to the fixed plate, pushing rods are arranged on both sides of the fixed plate, the pushing rods penetrate and are inserted into the interior of the gear plate, a molding cavity is formed between the mold and the mold core, and the end of the pushing rod corresponds to the molding cavity.

[0008] Preferably, the rotating device includes a mounting plate and a first motor, a driving shaft is provided at the output end of the first motor, the driving shaft is rotatably connected to the mounting plate, a driving gear is fixedly connected to the driving shaft, the driving gear is meshed with the gear tooth part of the gear plate, the driving gear is located on the left and right sides of the gear plate, and a synchronous belt is provided at the end of the driving shaft.

[0009] Preferably, the lifting mechanism includes a second motor and a mounting buckle, the second motor is fixedly connected to the gear plate, a screw is provided at the output end of the second motor, the mounting buckle is sleeved on the screw, the mounting buckle is threadedly connected to the screw, and the mounting buckle is fixedly connected to the upper mold base.

[0010] Preferably, a guide rod is fixedly connected to the discharge plate, and the guide rod is sleeved on a mounting buckle away from the gear plate.

[0011] Preferably, a limiting groove is provided on the support seat, a limiting ring is provided on the outer periphery of the discharge plate, the limiting ring matches the limiting groove, and the discharge plate is rotatably connected to the support seat via the limiting ring and the limiting groove.

[0012] Preferably, a positioning hole is provided on the discharge plate, and a positioning pin is provided on the closing plate, and the positioning pin matches the positioning hole.

[0013] Compared with the related art, the double-wall corrugated pipe forming mold provided by the utility model has the following beneficial effects:

[0014] The utility model provides a double-wall corrugated pipe forming mold. After the raw materials are injected into the mold, the device can be rotated as a whole through a gear plate and a rotating device, so that the injection liquid can evenly fill the inside of the mold, thereby improving the molding quality; and the demoulding efficiency of the finished corrugated pipe can be improved through the cooperation of a push rod, a lifting mechanism and an upper mold seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic structural diagram of a preferred embodiment of a double-wall corrugated pipe forming die provided by the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the discharge plate and the closing plate in the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the utility model after removing the upper die base;

[0018] Figure 4 It is a schematic diagram of the working structure of the gear plate and the rotating device in the utility model.

[0019] Numbers in the figure: 1. bottom plate, 2. support plate, 3. gear plate, 4. mold, 41. lower mold base, 42. upper mold base, 5. mold core, 6. push rod, 61. electric telescopic rod, 62. push rod, 7. injection port, 8. rotating device, 81. mounting plate, 82. first motor, 83. driving shaft, 84. driving gear, 85. synchronous belt, 9. lifting mechanism, 91. second motor, 92. screw, 93. guide rod, 94. mounting buckle, 10. support seat, 11. limiting groove, 12. discharge plate, 13. limiting ring, 14. closing plate, 15. positioning hole, 16. positioning pin. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0021] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of a double-wall corrugated pipe forming die provided by the utility model; Figure 2 It is a schematic diagram of the structure of the discharge plate and the closing plate in the utility model; Figure 3 This is a schematic diagram of the internal structure of the utility model after removing the upper die base; Figure 4 It is a schematic diagram of the working structure of the gear plate and the rotating device in the utility model.

[0022] The double-wall corrugated pipe forming mold includes: a base plate 1 and a mold 4, the base plate 1 is provided with a support plate 2, a rotating device 8 and a support seat 10, the support plate 2 is rotatably connected to the gear plate 3, the support seat 10 is rotatably connected to the discharge plate 12, the gear plate 3 is provided with a mold core 5 and a lifting mechanism 9, the mold 4 includes a lower mold base 41 and an upper mold base 42, the lower mold base 41 is fixedly connected to the gear plate 3, the upper mold base 42 is slidably connected to the gear plate 3 through the lifting mechanism 9, the other end of the lower mold base 41 is fixedly connected to the discharge plate 12, the discharge plate 12 is plugged with a closing plate 14, and the gear plate 3 is provided with a push rod 6 and a feed port 7.

[0023] The injection liquid is injected into the molding cavity formed between the mold 4 and the mold core 5 through the feed port 7, and then the rotating device 8 is started to drive the gear plate 3 to start rotating, thereby driving the mold 4 and the discharge plate 12 to rotate, so that the injection liquid in the molding cavity is distributed more evenly, thereby improving the quality of the finished product; after molding is completed, the lifting mechanism 9 is started to lift the upper mold base 42 upward, and then the closing plate 14 is opened, and the molded double-wall corrugated pipe is pushed out of the discharge plate 12 by the push rod 6 to take out the finished double-wall corrugated pipe.

[0024] The pushing rod 6 includes an electric telescopic rod 61 and a pushing rod 62. The electric telescopic rod 61 is fixedly connected to the gear plate 3. The output end of the electric telescopic rod 61 is fixedly connected to a fixed plate. Pushing rods 62 are arranged on both sides of the fixed plate. The pushing rods 62 penetrate and are inserted into the interior of the gear plate 3. A molding cavity is formed between the mold 4 and the mold core 5, and the end of the pushing rod 62 corresponds to the molding cavity.

[0025] After the molding is completed, the electric telescopic rod 61 is started to enable the push rod 62 to push the molded double-wall corrugated pipe out of the molding cavity, thereby increasing the demoulding efficiency.

[0026] The rotating device 8 includes a mounting plate 81 and a first motor 82. A driving shaft 83 is provided at the output end of the first motor 82. The driving shaft 83 is rotatably connected to the mounting plate 81. A driving gear 84 is fixedly connected to the driving shaft 83. The driving gear 84 meshes with the gear tooth portion of the gear plate 3. The driving gear 84 is located on the left and right sides of the gear plate 3. A synchronous belt 85 is provided at the end of the driving shaft 83.

[0027] The first motor 82 is started to drive the driving gears 84 on the driving shafts 83 on both sides to rotate through the synchronous belt 85, thereby driving the gear plate 3 meshing with the driving gears 84 to rotate.

[0028] The lifting mechanism 9 includes a second motor 91 and a mounting buckle 94. The second motor 91 is fixedly connected to the gear plate 3. A screw rod 92 is provided at the output end of the second motor 91. The mounting buckle 94 is sleeved on the screw rod 92. The mounting buckle 94 is threadedly connected to the screw rod 92. The mounting buckle 94 is fixedly connected to the upper mold base 42.

[0029] After the second motor 91 is started, the screw rod 92 is driven to rotate. Since the mounting buckle 94 is threadedly connected to the screw rod 92, the mounting buckle 94 is driven to rise and fall, thereby causing the upper mold base 42 fixedly connected to the mounting buckle 94 to rise and fall.

[0030] A guide rod 93 is fixedly connected to the discharge plate 12 , and the guide rod 93 is sleeved on a mounting buckle 94 away from the gear plate 3 .

[0031] The guide rod 93 cooperates with the mounting buckle 94 to assist in positioning and stabilize the ascending process of the upper die seat 42 .

[0032] The support seat 10 is provided with a limiting groove 11 , and the outer periphery of the discharge plate 12 is provided with a limiting ring 13 , the limiting ring 13 matches the limiting groove 11 , and the discharge plate 12 is rotatably connected to the support seat 10 via the limiting ring 13 and the limiting groove 11 .

[0033] The limiting groove 11 and the limiting ring 13 make the discharging plate 12 more stable when rotating and prevent it from deflecting.

[0034] The discharge plate 12 is provided with a positioning hole 15 , and the closing plate 14 is provided with a positioning pin 16 , and the positioning pin 16 matches the positioning hole 15 .

[0035] The closing plate 14 is inserted into the discharge plate 12 through the positioning holes 15 and the positioning pins 16 and kept stable.

[0036] The working principle of the double-wall corrugated pipe forming mold provided by the utility model is as follows:

[0037] The injection liquid is injected into the molding cavity formed between the mold 4 and the mold core 5 through the feed port 7, and then the rotating device 8 is started to drive the gear plate 3 to start rotating, thereby driving the mold 4 and the discharge plate 12 to rotate, so that the injection liquid in the molding cavity is distributed more evenly, thereby improving the quality of the finished product; after molding is completed, the lifting mechanism 9 is started to lift the upper mold base 42 upward, and then the closing plate 14 is opened, and the molded double-wall corrugated pipe is pushed out of the discharge plate 12 by the push rod 6 to take out the finished double-wall corrugated pipe.

[0038] Compared with the related art, the double-wall corrugated pipe forming mold provided by the utility model has the following beneficial effects:

[0039] After the raw material is injected into the mold 4, the device can be rotated as a whole through the gear plate 3 and the rotating device 8, so that the injection liquid can evenly fill the interior of the mold and improve the molding quality; through the cooperation of the push rod 6, the lifting mechanism 9 and the upper mold base 42, the demoulding efficiency of the finished bellows can be improved.

[0040] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. Double-wall corrugated pipe forming mold, characterized in that: include: A base plate and a mold, wherein a support plate, a rotating device and a support seat are provided on the base plate, a gear plate is rotatably connected to the support plate, a discharge plate is rotatably connected to the support seat, a mold core and a lifting mechanism are fixedly connected to the gear plate, the mold comprises a lower mold seat and an upper mold seat, the lower mold seat is fixedly connected to the gear plate, the upper mold seat is slidably connected to the gear plate through a lifting mechanism, the other end of the lower mold seat is fixedly connected to the discharge plate, a closing plate is inserted on the discharge plate, and a push rod and a feed port are provided on the gear plate.

2. The double-wall corrugated pipe forming mold according to claim 1, characterized in that: The pushing rod includes an electric telescopic rod and a push rod. The electric telescopic rod is fixedly connected to the gear plate. The output end of the electric telescopic rod is fixedly connected to the fixed plate. Push rods are arranged on both sides of the fixed plate. The push rods penetrate and are inserted into the interior of the gear plate. A molding cavity is formed between the mold and the mold core, and the end of the push rod corresponds to the molding cavity.

3. The double-wall corrugated pipe forming mold according to claim 1, characterized in that: The rotating device includes a mounting plate and a first motor, a driving shaft is provided at the output end of the first motor, the driving shaft is rotatably connected to the mounting plate, a driving gear is fixedly connected to the driving shaft, the driving gear is meshed with the gear tooth portion of the gear plate, the driving gear is located on the left and right sides of the gear plate, and a synchronous belt is provided at the end of the driving shaft.

4. The double-wall corrugated pipe forming mold according to claim 1, characterized in that: The lifting mechanism includes a second motor and a mounting buckle, the second motor is fixedly connected to the gear plate, a screw is provided at the output end of the second motor, the mounting buckle is sleeved on the screw, the mounting buckle is threadedly connected to the screw, and the mounting buckle is fixedly connected to the upper mold base.

5. The double-wall corrugated pipe forming die according to claim 4, characterized in that: A guide rod is fixedly connected to the discharge plate, and the guide rod is sleeved on a mounting buckle away from the gear plate.

6. The double-wall corrugated pipe forming die according to claim 1, characterized in that: A limiting groove is provided on the support seat, a limiting ring is provided on the outer periphery of the discharge plate, the limiting ring matches the limiting groove, and the discharge plate is rotatably connected to the support seat via the limiting ring and the limiting groove.

7. The double-wall corrugated pipe forming die according to claim 1, characterized in that: The discharge plate is provided with a positioning hole, and the closing plate is provided with a positioning pin, and the positioning pin matches the positioning hole.

Images