Hot press molding equipment for seamless stainless steel square tube

Abstract

The utility model provides seamless stainless steel square tube hot-press forming equipment, and relates to the field of hot-press equipment. The seamless stainless steel square tube hot press molding equipment comprises a base, a lower mold is fixedly connected to the top of the base, vertical plates are fixedly connected to the two sides of the lower mold, two bent pipes are symmetrically and fixedly connected to the interior of the lower mold, an air cooler is fixedly connected to the interior of the base, and an air supply pipe is fixedly connected to the output end of the air cooler; a box body is fixedly connected to the interior of the base, the end, away from the air cooler, of the air supply pipe extends into the box body, two vertical pipes are fixedly connected to the top of the box body, the top ends of the two vertical pipes extend into the lower mold and are fixedly connected with the bottoms of the two bent pipes, and cold air is conveyed into the air supply pipe through the air cooler; the outside of the pipe fitting is cooled under the action of the bent pipe, and meanwhile, airflow milded by the bent pipe enters the box body through the exhaust pipe, so that the hollow pipe can cool the inside of the pipe fitting, and the temperature difference between the inside and the outside of the pipe fitting is reduced.

Description

Technical Field

[0001] The utility model relates to hot pressing forming equipment, in particular to hot pressing forming equipment for seamless stainless steel square tubes, and belongs to the technical field of hot pressing equipment. Background Art

[0002] Hot pressing is a simple and common processing method in the steel pipe processing industry. It mainly uses the heating processing mold, injects the sample, fixes the model on the heating plate with pressure, controls the melting temperature and time of the sample, so that it can be hardened and cooled after melting, and then the model can be taken out.

[0003] The existing patent application number: CN201921605056.4 discloses a hot pressing device for high-temperature alloy steel pipe fittings in the field of hot pressing equipment, including a hot pressing device body, a first support column and a second support column are fixedly connected to both sides of the top of the hot pressing device body, a lifting motor is installed on the top of the second support column, a support frame is provided between the first support column and the second support column, the lifting motor is connected to the support frame through a lifting mechanism, a heating head is fixedly connected to the bottom of the support frame, a third support column is fixedly connected to the bottom of the inner wall of the hot pressing device body, and a workbench is rotatably connected to the top of the third support column. A cooling device is installed on the top of the hot pressing device body and on one side of the workbench. This patent sets a transmission mechanism to cool the finished product inside the workbench through the cooling device and the through hole to avoid tilting of the workbench and causing processing failure, thereby improving the stability and processing efficiency of the hot pressing device and improving the processing progress.

[0004] The device cools the finished product by inserting the air duct on the cooling device into the through hole. Therefore, the cooling device can only cool the surface of the finished product. Due to the heat conduction factor, the inside of the finished product is in a high temperature state, resulting in a large temperature difference between the inside and outside of the finished product, which may affect the forming of the finished product. Therefore, we propose seamless stainless steel square tube hot pressing forming equipment. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a seamless stainless steel square tube hot pressing forming device in order to solve the above problems, so as to solve the problem of excessive temperature difference between the inside and outside of the pipe in the prior art.

[0007] (II) Technical solution

[0008] The utility model is implemented through the following technical scheme: seamless stainless steel square tube hot pressing forming equipment, including a base, the top of the base is fixedly connected to a lower mold, the two sides of the lower mold are fixedly connected to vertical plates, the interior of the lower mold is symmetrically fixedly connected to two bent pipes, the interior of the base is fixedly connected to a cold air fan, the output end of the cold air fan is fixedly connected to an air supply pipe, the interior of the base is fixedly connected to a box, the end of the air supply pipe away from the cold air fan extends to the interior of the box, the top of the box is fixedly connected to two vertical pipes, the tops of the two vertical pipes extend to the interior of the lower mold and are fixedly connected to the bottoms of the two bent pipes, and the two sides of the box are fixedly connected to L-shaped tubes, one end of the two L-shaped tubes away from the box body extends to the outside of the base, and a reciprocating component is arranged inside the L-shaped tube, and the reciprocating component includes two hoses, and the two hoses are respectively fixedly installed on one side of the two L-shaped tubes, and the insides of the two vertical plates are slidably connected with two hollow tubes, and the ends of the two hoses away from the L-shaped tubes are respectively fixedly connected to one side of the two hollow tubes, and cold air is transported to the inside of the air supply duct through the air cooler, and the outside of the pipe is cooled by the action of the bent pipe, and the outside of the stainless steel pipe is cooled by the bent pipe, and the inside of the steel pipe is cooled by blowing air in cooperation with the hollow tube, so as to reduce the temperature difference between the inside and outside of the steel pipe and improve the cooling molding efficiency.

[0009] Preferably, the two L-shaped tubes are rotatably connected to the inside of two vertical shafts, and the bottoms of the two vertical shafts are fixedly connected to fans. While delivering air, the wind drives the fan to rotate, the fan drives the vertical shaft to rotate, the vertical shaft drives the disk to rotate, the disk drives the rod body to rotate, and the rod body drives the hollow tube to slide. With the cooperation of the hose, the hollow tube can slide back and forth inside the pipe fitting to achieve cooling of the inside of the pipe fitting.

[0010] Preferably, a partition is fixedly connected to the interior of the box body, and the top ends of the two vertical axes extend to the outside of the base and are fixedly connected to a disc, so that the exhaust pipe can transport gentle wind to the interior of the horizontal pipe through the separation of the partition.

[0011] Preferably, the two disks are rotatably connected to two rods at one side away from the vertical axis, and the two rods are rotatably connected to one end of the two hollow tubes at one side away from the disks.

[0012] Preferably, two exhaust pipes are fixedly connected to both sides of the two bent pipes, and one end of each exhaust pipe away from the bent pipe extends to the interior of the box.

[0013] Preferably, a bracket is fixedly connected to the top of the base, and a cylinder is fixedly connected to the bottom of the bracket. When the stainless steel pipe is hot-pressed, the cylinder drives the upper mold to move upward, and then the air cooler delivers cold air to the inside of the air supply pipe. Under the action of the bent pipe, the outside of the pipe is cooled. At the same time, the warmed airflow passing through the bent pipe enters the interior of the box through the exhaust pipe.

[0014] Preferably, the output end of the cylinder is fixedly connected to an upper mold.

[0015] The utility model provides a seamless stainless steel square tube hot pressing forming device, which has the following beneficial effects:

[0016] 1. The cold air is delivered to the air supply duct through the air cooler, and the outside of the pipe is cooled down under the action of the elbow. At the same time, the warmed airflow after passing through the elbow enters the interior of the box through the exhaust duct, so that the hollow pipe can cool down the inside of the pipe and reduce the temperature difference between the inside and outside of the pipe.

[0017] 2. Through the separation of the partition, the exhaust duct transmits gentle wind to the inside of the horizontal pipe. While transmitting air, the wind drives the fan to rotate, the fan drives the vertical axis to rotate, the vertical axis drives the disc to rotate, the disc drives the rod to rotate, and the rod drives the hollow tube to slide. With the cooperation of the hose, the hollow tube can slide back and forth inside the pipe fitting to achieve cooling inside the pipe fitting. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0020] Figure 3 For this utility model Figure 2 The enlarged view of point A in the middle;

[0021] Figure 4 For this utility model Figure 2 The enlarged view of point B in the middle;

[0022] Figure 5 It is a top view of the lower mold in the utility model.

[0023]

Main component symbol description

[0024] 1. Base; 2. Vertical plate; 3. Bracket; 4. Cylinder; 5. Upper mold; 6. Lower mold; 7. Air cooler; 8. Air supply duct; 9. Bend pipe; 10. Exhaust duct; 11. Box body; 12. Partition; 13. L-shaped pipe; 14. Reciprocating assembly; 141. Vertical axis; 142. Fan; 143. Hose; 144. Disc; 145. Rod body; 146. Hollow tube; 15. Vertical pipe. DETAILED DESCRIPTION

[0025] See also Figure 1-Figure 5 The utility model embodiment provides a seamless stainless steel square tube hot pressing forming device, including a base 1, a lower mold 6 is fixedly connected to the top of the base 1, vertical plates 2 are fixedly connected to both sides of the lower mold 6, two elbows 9 are symmetrically fixedly connected to the inside of the lower mold 6, a cold air machine 7 is fixedly connected to the inside of the base 1, an air supply pipe 8 is fixedly connected to the output end of the cold air machine 7, a box 11 is fixedly connected to the inside of the base 1, and the end of the air supply pipe 8 away from the cold air machine 7 extends to the inside of the box 11, two vertical pipes 15 are fixedly connected to the top of the box 11, the tops of the two vertical pipes 15 both extend to the inside of the lower mold 6 and are fixedly connected to the bottoms of the two elbows 9, two L-shaped pipes 13 are fixedly connected to both sides of the box 11, and the ends of the two L-shaped pipes 13 away from the box 11 both extend to the outside of the base 1, and the L-shaped pipes 13 are fixedly connected to the bottom of the box 11. A reciprocating assembly 14 is provided inside 13, and the reciprocating assembly 14 includes two hoses 143, and the two hoses 143 are fixedly installed on one side of the two L-shaped tubes 13 respectively. Two hollow tubes 146 are slidably connected inside the two vertical plates 2, and one end of the two hoses 143 away from the L-shaped tube 13 is fixedly connected to one side of the two hollow tubes 146 respectively. Cold air is transported to the inside of the air supply pipe 8 through the air cooler 7, and the outside of the pipe is cooled down under the action of the bent pipe 9. At the same time, the air flow after being warmed by the bent pipe 9 enters the inside of the box body 11 through the exhaust pipe 10, so that the hollow tube 146 can cool down the inside of the pipe and reduce the temperature difference between the inside and outside of the pipe; the insides of the two L-shaped tubes 13 are respectively rotatably connected to two vertical shafts 141, and the bottoms of the two vertical shafts 141 are fixedly connected to fans 142.

[0026] Furthermore, the interior of the box body 11 is fixedly connected with a partition 12, the top ends of the two vertical shafts 141 extend to the outside of the base 1 and are fixedly connected with a disc 144, the two discs 144 are rotatably connected to the side away from the vertical shaft 141 with two rod bodies 145, the two rod bodies 145 are rotatably connected to one end of two hollow tubes 146 on the side away from the disc 144, and the two sides of the two elbows 9 are fixedly connected with two exhaust pipes 10, and the end of each exhaust pipe 10 away from the elbow 9 extends to the interior of the box body 11, and the exhaust pipes are separated by the partition 12 so that the exhaust pipes 10 delivers gentle wind to the inside of the horizontal pipe 13. While delivering wind, the wind drives the fan 142 to rotate, the fan 142 drives the vertical shaft 141 to rotate, the vertical shaft 141 drives the disc 144 to rotate, the disc 144 drives the rod body 145 to rotate, the rod body 145 drives the hollow tube 146 to slide, and with the cooperation of the hose 143, the hollow tube 146 can slide back and forth inside the pipe fitting to achieve cooling of the inside of the pipe fitting; the top of the base 1 is fixedly connected with a bracket 3, the bottom of the bracket 3 is fixedly connected with a cylinder 4, and the output end of the cylinder 4 is fixedly connected with an upper mold 5.

[0027] Working principle: After the stainless steel pipe is hot-pressed, the cylinder 4 drives the upper mold 5 to move upward, and then the air cooler 7 delivers cold air to the air supply pipe 8. Under the action of the elbow 9, the outside of the pipe is cooled down. At the same time, the mild airflow passing through the elbow 9 enters the inside of the box 11 through the exhaust pipe 10. Through the partition 12, the exhaust pipe 10 delivers mild wind to the inside of the horizontal pipe 13. While delivering air, the wind drives the fan 142 to rotate, and the fan 14 2 drives the vertical shaft 141 to rotate, the vertical shaft 141 drives the disk 144 to rotate, the disk 144 drives the rod body 145 to rotate, the rod body 145 drives the hollow tube 146 to slide, and with the cooperation of the hose 143, the hollow tube 146 can slide back and forth inside the pipe fitting to achieve cooling of the inside of the pipe fitting, cool the outside of the stainless steel pipe through the bent pipe 9, and blow air to cool the inside of the steel pipe in cooperation with the hollow tube 146, thereby reducing the temperature difference between the inside and outside of the steel pipe and improving the cooling and forming efficiency.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A seamless stainless steel square tube hot press forming device, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a lower mold (6), both sides of the lower mold (6) are fixedly connected to vertical plates (2), the interior of the lower mold (6) is symmetrically fixedly connected to two bent pipes (9), the interior of the base (1) is fixedly connected to a cooling fan (7), the output end of the cooling fan (7) is fixedly connected to an air supply pipe (8), the interior of the base (1) is fixedly connected to a box (11), one end of the air supply pipe (8) away from the cooling fan (7) extends to the interior of the box (11), and the top of the box (11) is fixedly connected to two vertical pipes (15), the top ends of the two vertical pipes (15) both extend to the interior of the lower mold (6) and are connected to the two vertical pipes (15). The box body (11) is fixedly connected to the bottom of a bent pipe (9), two L-shaped pipes (13) are fixedly connected to both sides of the box body (11), one end of the two L-shaped pipes (13) away from the box body (11) extends to the outside of the base (1), a reciprocating assembly (14) is arranged inside the L-shaped pipe (13), and the reciprocating assembly (14) includes two hoses (143), and the two hoses (143) are respectively fixedly installed on one side of the two L-shaped pipes (13), and the inside of the two vertical plates (2) are slidably connected to two hollow pipes (146), and one end of the two hoses (143) away from the L-shaped pipe (13) is respectively fixedly connected to one side of the two hollow pipes (146).

2. The seamless stainless steel square tube hot press forming equipment according to claim 1, characterized in that: The insides of the two L-shaped tubes (13) are rotatably connected to two vertical shafts (141) respectively, and the bottoms of the two vertical shafts (141) are fixedly connected to fans (142).

3. The seamless stainless steel square tube hot press forming equipment according to claim 2, characterized in that: A partition plate (12) is fixedly connected to the interior of the box body (11), and the top ends of the two vertical shafts (141) extend to the outside of the base (1) and are fixedly connected to a disc (144).

4. The seamless stainless steel square tube hot press forming equipment according to claim 3, characterized in that: The sides of the two disks (144) away from the vertical axis (141) are both rotatably connected to two rod bodies (145), and the sides of the two rod bodies (145) away from the disks (144) are respectively rotatably connected to one end of two hollow tubes (146).

5. The seamless stainless steel square tube hot press forming equipment according to claim 1, characterized in that: Two exhaust pipes (10) are fixedly connected to both sides of the two curved pipes (9), and one end of each exhaust pipe (10) away from the curved pipe (9) extends to the interior of the box (11).

6. The seamless stainless steel square tube hot press forming equipment according to claim 1, characterized in that: The top of the base (1) is fixedly connected to a bracket (3), and the bottom of the bracket (3) is fixedly connected to a cylinder (4).

7. The seamless stainless steel square tube hot press forming equipment according to claim 6, characterized in that: The output end of the cylinder (4) is fixedly connected to an upper mold (5).

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