Funnel type spheroidal graphite tube forming mold

Abstract

The utility model discloses a funnel-type spheroidal graphite tube forming die which comprises a bottom plate and a condensation mechanism, the condensation mechanism is arranged on the upper surface of the bottom plate, a lower die cavity is arranged above the condensation mechanism, an upper die cavity is arranged above the lower die cavity, a threaded hole is formed in the inner bottom wall of the lower die cavity, and the inner bottom wall of the upper die cavity is provided with a threaded hole. The inner wall of the threaded hole is in threaded connection with a supporting rod. Through the arrangement of the supporting rod, the first shell, the threaded groove, the threaded hole and the second shell, compared with the prior art, the mold can achieve adjustment of the forming thickness of a spheroidal graphite pipe through the first shell convenient to replace, and when the forming thickness of the spheroidal graphite pipe needs to be adjusted according to actual needs, the mold is convenient to replace; the distance between the first shell and the second shell can be adjusted only by screwing off the first shell from the supporting rod and then installing the first shell with the proper diameter on the supporting rod, so that the forming thickness of the spheroidal graphite tube is adjusted, different production requirements are met, the replacement cost is low, adjustment is convenient, and the practicability and applicability of the mold are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of nodular cast iron pipe, especially to a funnel type nodular pipe forming die. BACKGROUND

[0002] The nodular cast iron pipe is a pipe fitting with the advantages of large strength, high elongation, impact resistance, corrosion resistance, good sealing performance and the like, which is prepared by adding magnesium or rare earth magnesium bonding agent into molten iron before pouring to make graphite spheroidization and reduce stress concentration; the inner wall is lined with cement mortar to improve the pipeline water environment, increase the water supply capacity and reduce energy consumption; the pipe opening adopts a flexible interface, and the pipe material itself has a large elongation, so that the pipeline flexibility is good, and the pipeline can work together with the surrounding soil in the buried pipeline to improve the stress state of the pipeline, thereby improving the reliability of the pipeline operation.

[0003] According to the search, the utility model discloses a funnel type nodular pipe forming die, and the utility model discloses a funnel type nodular pipe forming die, which improves the forming efficiency of the nodular pipe and guarantees the quality of one-time forming of the nodular pipe.

[0004] However, there are still some deficiencies: the thickness requirements of the nodular pipe are different, the above forming die is not convenient for adjusting the thickness of the nodular pipe according to actual demands, so the application range is small, and only one nodular pipe can be formed at a time, so the forming efficiency is low, and the efficiency of cooling the nodular pipe casting liquid by using the heat dissipation holes and the cooling sand is low. UTILITY MODEL CONTENTS

[0005] In order to overcome the thickness requirements of the nodular pipe in the prior art, the thickness of the nodular pipe cannot be adjusted according to actual demands, so the application range is small, one of the purposes of the utility model is to provide a funnel type nodular pipe forming die.

[0006] One of the purposes of the utility model discloses funnel type nodular pipe forming die, including bottom plate and condensing mechanism: the condensing mechanism sets up at the upper surface of bottom plate, the upper portion of condensing mechanism is provided with lower mould cavity, the upper portion of lower mould cavity is provided with upper mould cavity, the inner bottom wall of lower mould cavity is provided with threaded hole, the inner wall threaded hole is connected with support rod, the upper side outer surface of support rod is provided with threaded groove, the outer surface of support rod is connected with the shell no. 1 through threaded groove, the outer surface of shell no. 1 is movably connected with shell no. 2, and shell no. 2 is fixedly connected to the inner top wall of upper mould cavity, the upper surface of upper mould cavity is provided with liquid injection port at equal intervals, one side of fixed frame is fixedly connected with servo motor, the output end of servo motor is fixedly connected with screw rod, and the screw rod penetrates upper mould cavity and is in threaded connection with upper mould cavity. It is convenient to adjust the forming thickness of nodular pipe by replacing the shell no. 1 of different diameters, so that different use requirements can be met, and replacement is convenient, the practicability and applicability of the die are improved.

[0007] According to the funnel type nodular pipe forming die, the inner wall of the liquid injection port is inserted with a rubber plug. The liquid injection port can be easily closed to avoid dust and impurities from accumulating on the inner wall of the liquid injection port when not in use, which affects the forming quality of the nodular pipe.

[0008] According to the funnel type nodular pipe forming die, the heights of the shell no. 1 and the shell no. 2 are consistent with the height between the inner top wall of the upper mould cavity and the inner bottom wall of the lower mould cavity. It is convenient for forming use.

[0009] According to the funnel type nodular pipe forming die, the lower mould cavity is fixedly connected with a support sleeve on the upper surface of the side close to the screw rod, and the screw rod is rotatably connected to the inner wall of the support sleeve. The screw rod is supported, and the rotation stability of the screw rod is improved.

[0010] According to the funnel type nodular pipe forming die, the condensing mechanism includes a cold water tank, the inner bottom wall of the lower mould cavity is fixedly connected with a condensing pipe at equal intervals, one side wall of the cold water tank is fixedly connected with a water pump, one end of the water pump is fixedly connected with a water inlet pipe, the other end of the water pump is fixedly connected with a discharge pipe, one end of the condensing pipe penetrates the cold water tank and is fixedly connected with the discharge pipe, the other end of the condensing pipe penetrates the upper mould cavity and is movably connected with the upper mould cavity, and one end of the condensing pipe penetrates one side wall of the cold water tank and is fixedly connected with the cold water tank. The casting liquid can be condensed, the forming speed of the nodular pipe is accelerated, and the forming efficiency is improved.

[0011] According to the funnel type ductile pipe forming die, one side of the cold water tank is fixedly connected with a water injection opening, and the inner wall of the water injection opening is threadedly connected with a closing cover.

[0012] According to the funnel type ductile pipe forming die, the inner wall of the lower die cavity is symmetrically and equidistantly provided with heat dissipation grooves.

[0013] According to the funnel type ductile pipe forming die, the inner wall of the heat dissipation groove is fixedly connected with a dustproof net.

[0014] The above-mentioned scheme has the beneficial effects that:

[0015] 1. Compared with the prior art, the mold can adjust the forming thickness of the ductile pipe by the shell one which is convenient to replace. When the forming thickness of the ductile pipe needs to be adjusted according to actual requirements, the shell one is only needed to be screwed off from the supporting rod, and then the shell one with a suitable diameter is installed on the supporting rod to adjust the distance between the shell one and the shell two, so as to adjust the forming thickness of the ductile pipe, thereby meeting different production requirements, the replacement cost is low, the adjustment is convenient, the practicability and applicability of the mold are effectively improved.

[0016] 2. Compared with the prior art, the mold is provided with the condensing mechanism, so that the casting liquid of the ductile pipe between the shell one and the shell two can be condensed, thereby accelerating the forming speed of the ductile pipe, and the heat dissipation groove is used for heat dissipation, so as to further accelerate the forming efficiency of the ductile pipe, thereby greatly shortening the forming time of the ductile pipe, and the practicability of the mold is effectively improved.

[0017] Additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0018] The present application will be further described below in combination with the drawings and embodiments.

[0019] Figure 1 It is a whole structure schematic view of the funnel type ductile pipe forming die of the present application.

[0020] Figure 2 It is a whole rear view structure schematic view of the funnel type ductile pipe forming die of the present application.

[0021] Figure 3 It is a whole sectional view structure schematic view of the funnel type ductile pipe forming die of the present application.

[0022] Figure 4 It is the structure schematic view of the support rod of the funnel type nodular pipe forming die of the utility model;

[0023] Figure 5 It is the structure schematic view of the rubber plug of the funnel type nodular pipe forming die of the utility model;

[0024] Figure 6 It is the structure schematic view of the closing cover of the funnel type nodular pipe forming die of the utility model.

[0025] Legend:

[0026] 1, bottom plate; 2, condensing mechanism; 201, cold water tank; 202, condensing pipe; 203, water pump; 204, water inlet pipe; 205, lead-out pipe; 3, lower mold cavity; 4, upper mold cavity; 5, threaded hole; 6, support rod; 7, threaded groove; 8, shell one; 9, shell two; 10, liquid injection port; 11, fixed frame; 12, servo motor; 13, screw rod; 14, rubber plug; 15, support sleeve; 16, water injection port; 17, closing cover; 18, heat dissipation groove; 19, dust screen. DETAILED DESCRIPTION

[0027] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0028] Reference Figures 1-6The utility model provides a funnel type nodular pipe forming die, including bottom plate 1 and condensing mechanism 2: condensing mechanism 2 is arranged on the upper surface of bottom plate 1, the upper of condensing mechanism 2 is provided with lower mould cavity 3, the upper of lower mould cavity 3 is provided with upper mould cavity 4, the inner bottom wall of lower mould cavity 3 is provided with threaded hole 5, the inner wall of threaded hole 5 is connected with support rod 6 in screw thread, the upper side outer surface of support rod 6 is provided with threaded groove 7, the outer surface of support rod 6 is connected with shell one 8 in screw thread through threaded groove 7, the outer surface of shell one 8 is movably connected with shell two 9, shell two 9 is fixedly connected in the inner top wall of upper mould cavity 4, the upper surface of upper mould cavity 4 is provided with injection port 10 at equal intervals, one side of fixed frame 11 is fixedly connected with servo motor 12, the output of servo motor 12 is fixedly connected with screw rod 13, and screw rod 13 penetrates upper mould cavity 4 and is in screw connection with upper mould cavity 4, the inner wall of injection port 10 is inserted with rubber plug 14, the height of shell one 8 and shell two 9 is consistent with the height between the inner top wall of upper mould cavity 4 and the inner bottom wall of lower mould cavity 3, and the upper surface of the side of lower mould cavity 3 close to screw rod 13 is fixedly connected with support sleeve 15, and screw rod 13 is rotatably connected to the inner wall of support sleeve 15.

[0029] Thus, by designing the replaceable shell one 8, when the nodular pipe forming thickness needs to be controlled according to actual requirements, only the shell one 8 with different diameters needs to be replaced to change the spacing between the shell one 8 and the shell two 9, so that the nodular pipe forming thickness can be adjusted, which is convenient to adjust and low in replacement cost, and three nodular pipes can be formed at one time, so that the forming efficiency is greatly improved, and the use is convenient.

[0030] The condensing mechanism 2 includes a cold water tank 201, the inner bottom wall of the lower mold cavity 3 is fixedly connected with a condensing pipe 202 at equal intervals, one side wall of the cold water tank 201 is fixedly connected with a water pump 203, one end of the water pump 203 is fixedly connected with a water inlet pipe 204, the other end of the water pump 203 is fixedly connected with a discharge pipe 205, one end of the condensing pipe 202 penetrates the cold water tank 201 and is fixedly connected with the discharge pipe 205, the other end of the condensing pipe 202 penetrates the upper mold cavity 4 and is movably connected with the upper mold cavity 4, one end of the condensing pipe 202 penetrates one side wall of the cold water tank 201 and is fixedly connected with the cold water tank 201, one side of the cold water tank 201 is fixedly connected with a water inlet 16, the inner wall of the water inlet 16 is screw-connected with a closure cover 17, the inner wall of the lower mold cavity 3 is symmetrically and equidistantly provided with a heat dissipation groove 18, and the inner wall of the heat dissipation groove 18 is fixedly connected with a dust screen 19.

[0031] Thus, by setting the condensing mechanism 2, the nodular pipe casting liquid between the shell one 8 and the shell two 9 can be cooled, the forming speed of the nodular pipe is accelerated, and the forming speed is further accelerated by the heat dissipation groove 18, so that the forming time is shortened, and the forming efficiency is improved.

[0032] Working principle: when the nodular pipe needs to be formed, first, select the shell one 8 with appropriate diameter size and install it on the support rod 6 through the thread groove 7, so as to control the forming thickness of the nodular pipe, after installation, start the servo motor 12 to drive the screw rod 13 to rotate, the screw rod 13 rotates to drive the upper die cavity 4 to move downward on its outer surface and abut with the lower die cavity 3, so that the shell two 9 is sleeved on the outer surface of the shell one 8 and the inside of the condenser pipe 202, then the nodular pipe casting liquid is introduced through the liquid inlet 10, the casting liquid flows to the area between the shell one 8 and the shell two 9 through the liquid inlet 10 for forming, after the introduction is completed, start the water pump 203 to introduce the cold water in the cold water tank 201 into the condenser pipe 202 through the water inlet pipe 204 and discharge it to the condenser pipe 202 through the discharge pipe 205, the cold water in the condenser pipe 202 takes away the heat and cools the casting liquid, and further heat dissipation is assisted by the heat dissipation groove 18, so as to improve the efficiency of the nodular pipe forming, and the cold water is returned to the cold water tank 201 again through the condenser pipe 202 for recycling, after the forming is completed, start the servo motor 12 to drive the screw rod 13 to rotate reversely to drive the upper die cavity 4 to move upward, the three shell two 9 moves up and down on the outer surface of the shell one 8, so that the upper die cavity 4 and the lower die cavity 3 are separated, and the shell two 9 is separated from the shell one 8, the nodular pipe casting after forming is left on the shell one 8, then the nodular pipe casting after forming is taken off from the shell one 8 to complete the demolding, thereby effectively improving the practicality and applicability of the mold, so that it meets different use requirements.

[0033] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, within the knowledge range possessed by ordinary skilled persons in the technical field, various changes can be made without departing from the purpose of the utility model.

Claims

1. A funnel-type spherulitic pipe forming mold characterized by, The utility model provides a condensing mechanism (2) is arranged on the upper surface of bottom plate (1), the upper of condensing mechanism (2) is provided with lower mould cavity (3), the upper of lower mould cavity (3) is provided with upper mould cavity (4), the inner bottom wall of lower mould cavity (3) is opened with threaded hole (5), the inner wall of threaded hole (5) is connected with support rod (6) in screw thread, the upper side outer surface of support rod (6) is opened with threaded groove (7), the outer surface of support rod (6) is connected with shell one (8) in screw thread through threaded groove (7), the outer surface of shell one (8) is movably connected with shell two (9), shell two (9) is fixedly connected in the inner top wall of upper mould cavity (4). The upper surface of the upper mold cavity (4) is equidistantly provided with a liquid injection port (10), one side of the lower mold cavity (3) is fixedly connected with a fixed frame (11), one side of the fixed frame (11) is fixedly connected with a servo motor (12), the output end of the servo motor (12) is fixedly connected with a screw rod (13), the screw rod (13) penetrates through the upper mold cavity (4) and is in threaded connection with the upper mold cavity (4).

2. A funnel pipe forming mold according to claim 1, wherein The inner wall of the liquid injection port (10) is inserted with a rubber plug (14).

3. A funnel pipe forming mold according to claim 1, wherein The heights of the shell one (8) and the shell two (9) are consistent with the height between the inner top wall of the upper mold cavity (4) and the inner bottom wall of the lower mold cavity (3).

4. A funnel pipe forming mold according to claim 1, wherein One side of the lower mold cavity (3) close to the screw rod (13) is fixedly connected with a support sleeve (15), and the screw rod (13) is rotatably connected to the inner wall of the support sleeve (15).

5. A funnel pipe forming mold according to claim 1, wherein The condensing mechanism (2) comprises a cold water tank (201), the inner bottom wall of the lower mold cavity (3) is equidistantly fixedly connected with a condensing pipe (202), one side wall of the cold water tank (201) is fixedly connected with a water pump (203), one end of the water pump (203) is fixedly connected with a water inlet pipe (204), the other end of the water pump (203) is fixedly connected with a discharge pipe (205), one end of the condensing pipe (202) penetrates through the cold water tank (201) and is fixedly connected with the discharge pipe (205), the other end of the condensing pipe (202) penetrates through the upper mold cavity (4) and is movably connected with the upper mold cavity (4), and one end of the condensing pipe (202) penetrates through one side wall of the cold water tank (201) and is fixedly connected with the cold water tank (201).

6. A funnel pipe forming mold according to claim 5, wherein One side of the cold water tank (201) is fixedly connected with a water injection port (16), and the inner wall of the water injection port (16) is screwedly connected with a sealing cover (17).

7. A funnel pipe forming mold according to claim 5, wherein The inner wall of the lower mold cavity (3) is symmetrically and equidistantly provided with a heat dissipation groove (18).

8. A funnel pipe forming mold according to claim 7, wherein The inner wall of the heat dissipation groove (18) is fixedly connected with a dust screen (19).

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