Cold-drawing treatment device for stainless steel grooved pipe fitting

Abstract

The utility model discloses a cold-drawing processing device for stainless steel grooved pipe fittings, which comprises a cold-drawing die, a pipe fitting body is inserted into the cold-drawing die, an external cylinder is arranged on the outer side of the pipe fitting body, a circular hole is formed in the inner wall of the external cylinder, a transverse pipe is fixedly mounted in the circular hole, and a cold-drawing die is arranged on the outer side of the transverse pipe. And flow dividing holes are formed in the outer side of the transverse pipe. The water pump is started to work, lubricating liquid in the storage box is transferred into the feeding pipe through the discharging pipe and then concentrated in the transverse pipe, and the lubricating liquid flows into the built-in groove through the flow dividing hole and the flow guiding hole and is absorbed by the sponge sleeve. During the period, the servo motor drives the pinion to rotate, so that the internal cylinder rotates in the external cylinder, the T-shaped ring rotates in the T-shaped groove, the sponge sleeve can rotate on the outer side of the pipe fitting body, and the lubricating liquid is uniformly smeared on the outer side of the pipe fitting body.

Description

Technical Field

[0001] This utility model relates to the technical field of cold drawing of stainless steel pipes, specifically to a cold drawing device for stainless steel grooved pipe fittings. Background Technology

[0002] Stainless steel pipes are widely used in various industries due to their superior performance. There are many processing methods for stainless steel pipes, among which cold drawing is an important component. Cold drawing is a material processing technology. For metal materials, cold drawing refers to drawing the material at room temperature in order to achieve a certain shape and mechanical properties. Compared with hot-formed products, cold-drawn products have the advantages of higher dimensional accuracy and better surface finish.

[0003] According to CN211218084U, a cold drawing device for processing stainless steel pipes includes a cold drawing die, a cold drawing hole, a steel pipe, a lubricant tank, a baffle plate, a stirring rod, a guide tube, a fixing block, a coating tube, a mounting plate, and spur bolts. The lubricant tank is bolted to the upper part of the cold drawing die. The baffle plate and the stirring rod are arranged sequentially from top to bottom inside the lubricant tank, and the inner bottom of the lubricant tank is the same as one end of the guide tube. The guide tube is fixed to the outer wall of the cold drawing die by the fixing block, and the other end of the guide tube is connected to the coating tube, which is located on the upper part of the steel pipe. The design of this utility model, including a lubricant tank, baffle plate, stirring rod, and coating tube, effectively reduces the need for frequent lubricant replenishment and allows for good circulation through stirring. The rolling coating method ensures uniform application to the steel pipe, meeting the requirements of cold drawing. However, this device has some drawbacks. It only applies lubricant to the outside of the steel pipe via the coating wheel, failing to evenly and completely cover the entire surface. Therefore, we propose a cold drawing device for stainless steel grooved pipe fittings to address these issues. Utility Model Content

[0004] The purpose of this invention is to provide a cold drawing device for stainless steel grooved pipe fittings to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a cold drawing device for stainless steel grooved pipe fittings, comprising a cold drawing die, a pipe fitting body inserted inside the cold drawing die, an outer cylinder provided on the outer side of the pipe fitting body, a circular hole opened on the inner wall of the outer cylinder, a transverse pipe fixedly installed in the circular hole, a diversion hole opened on the outer side of the transverse pipe, a feed pipe fixedly installed on the outer side of the transverse pipe, the other end of the feed pipe fixedly connected to a water pump, a discharge pipe fixedly connected to the outer side of the water pump, the other end of the discharge pipe fixedly disposed inside a storage tank, and the storage tank fixedly disposed on... The outer cylinder is placed on top of the cold-drawing mold. An inner cylinder is inserted inside the outer cylinder. A T-shaped ring is fixedly installed on the outer side of the inner cylinder. The T-shaped ring is inserted into the inside of a T-shaped groove, which is opened on the inner wall of the outer cylinder. A guide hole is opened on the outer side of the inner cylinder. A sponge sleeve is placed inside the inner cylinder and inserted into the inner groove, which is opened on the inner wall of the inner cylinder. A large gear is fixedly installed on the outer side of the inner cylinder. The large gear meshes with a small gear. The small gear is fixedly installed on the outer side of the shaft of a servo motor. The servo motor is fixedly installed on the outer side of the outer cylinder.

[0006] As a further preferred embodiment of this technical solution, the diversion holes are evenly distributed on the outer side of the transverse tube, the guide holes are evenly distributed on the outer side of the inner tube, and the transverse tube is located above the inner tube.

[0007] As a further preferred embodiment of this technical solution, the outer side of the T-shaped ring abuts against the inner wall of the T-shaped groove, and two sets of the T-shaped rings are provided, with the two sets of T-shaped rings symmetrically distributed on the outer side of the inner cylinder.

[0008] As a further preferred embodiment of this technical solution, the outer side of the inner tube abuts against the inner wall of the outer tube, the inner wall of the sponge sleeve abuts against the outer side of the tube body, and the tube body can slide inside the inner tube.

[0009] As a further preferred embodiment of this technical solution, a fixing plate is fixedly installed on the outer side of the sponge sleeve, and a baffle is abutted on the outer side of the fixing plate. Positioning grooves are provided on both the baffle and the inner groove. A positioning post is inserted into the inside of the positioning groove. The positioning post is fixedly installed on the outer side of the fixing plate. A screw is fixedly installed on the outer side of both the inner cylinder and the baffle. A nut can be engaged with the outer side of the screw.

[0010] As a further preferred embodiment of this technical solution, the outer side of the baffle abuts against the inner wall of the built-in groove, and the positioning post fits into the interior of the positioning groove.

[0011] As a further preferred embodiment of this technical solution, the inner wall of the baffle is provided with an inner buckle ring, and the inner wall of the baffle abuts against the outer side of the pipe body.

[0012] This utility model provides a cold drawing device for stainless steel grooved pipe fittings, which has the following beneficial effects:

[0013] When the water pump of this utility model starts working, the lubricating fluid inside the storage tank is transferred to the inside of the inlet pipe through the outlet pipe, and then concentrated inside the horizontal pipe. The lubricating fluid flows into the built-in groove through the diversion hole and guide hole and is absorbed by the sponge sleeve. During this process, the servo motor drives the pinion to rotate, which in turn drives the built-in cylinder to rotate. This causes the built-in cylinder to rotate inside the outer cylinder and the T-shaped ring to rotate inside the T-shaped groove. As a result, the sponge sleeve can rotate on the outside of the pipe body, thereby evenly applying the lubricating fluid to the outside of the pipe body.

[0014] This invention, with its structure, allows for easy removal of the baffle from the internal groove when the sponge sleeve wears out after prolonged use. This is achieved by rotating the nut outwards from the screw, during which the positioning groove moves outwards from the positioning post. This allows personnel to directly remove the sponge sleeve from the internal groove for replacement without affecting the normal operation of the device. Attached Figure Description

[0015] Figure 1 This is a front view schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a front sectional view of the structure of this utility model;

[0017] Figure 3 This utility model Figure 2 Enlarged structural diagram of A in the middle;

[0018] Figure 4 This is a left-side view of the structure of the built-in slot of this utility model;

[0019] Figure 5 This is a front view schematic diagram of the structure of the present invention when the sponge sleeve and the baffle are separated.

[0020] In the diagram: 1. Cold drawing die; 2. Tube body; 3. External cylinder; 4. Circular hole; 5. Horizontal tube; 6. Diverter hole; 7. Feed pipe; 8. Water pump; 9. Discharge pipe; 10. Storage box; 11. Internal cylinder; 12. T-ring; 13. T-slot; 14. Guide hole; 15. Sponge sleeve; 16. Internal groove; 17. Large gear; 18. Small gear; 19. Servo motor; 20. Fixing plate; 21. Baffle; 22. Positioning groove; 23. Positioning post; 24. Screw; 25. Internal buckle ring. Detailed Implementation

[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0022] This utility model provides a technical solution: such as Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, in this embodiment, a cold drawing device for stainless steel grooved pipe fittings includes a cold drawing mold 1. A pipe fitting body 2 is inserted into the cold drawing mold 1. An outer cylinder 3 is provided on the outer side of the pipe fitting body 2. A circular hole 4 is opened on the inner wall of the outer cylinder 3. A transverse pipe 5 is fixedly installed in the circular hole 4. A diversion hole 6 is opened on the outer side of the transverse pipe 5. A feed pipe 7 is fixedly installed on the outer side of the transverse pipe 5. The other end of the feed pipe 7 is fixedly connected to a water pump 8. A discharge pipe 9 is fixedly connected to the outer side of the water pump 8. The other end of the discharge pipe 9 is fixedly installed inside a storage tank 10. The storage tank 10 is fixedly installed... A fixed assembly is placed on top of the cold-drawing mold 1. An inner cylinder 11 is inserted inside the outer cylinder 3. A T-shaped ring 12 is fixedly installed on the outer side of the inner cylinder 11, and the T-shaped ring 12 is inserted into the interior of a T-shaped groove 13. The T-shaped groove 13 is formed on the inner wall of the outer cylinder 3. A guide hole 14 is formed on the outer side of the inner cylinder 11. A sponge sleeve 15 is placed inside the inner cylinder 11 and inserted into an inner groove 16. The inner groove 16 is formed on the inner wall of the inner cylinder 11. A large gear 17 is fixedly installed on the outer side of the inner cylinder 11, and the large gear 17 meshes with a small gear 18. The servo motor 19 is fixedly mounted on the outside of the outer cylinder 3. When the water pump 8 starts, the lubricating fluid inside the storage tank 10 is transferred through the discharge pipe 9 to the inside of the feed pipe 7, and then concentrated inside the transverse pipe 5. The lubricating fluid flows through the diversion hole 6 and the guide hole 14 into the inside of the built-in groove 16, where it is absorbed by the sponge sleeve 15. During this process, the servo motor 19 drives the pinion 18 to rotate, which in turn drives the built-in cylinder 11 to rotate, so that the built-in cylinder 11 rotates inside the outer cylinder 3 and the T-shaped ring 12 is in the T-shaped groove 16. The internal rotation of 3 allows the sponge sleeve 15 to rotate on the outside of the tube body 2, thereby evenly applying the lubricant to the outside of the tube body 2. The diversion holes 6 are evenly distributed on the outside of the transverse tube 5, and the guide holes 14 are evenly distributed on the outside of the inner cylinder 11. The transverse tube 5 is positioned above the inner cylinder 11 to facilitate smooth flow of the lubricant. The outer side of the T-ring 12 abuts against the inner wall of the T-groove 13. Two sets of T-rings 12 are provided, and the two sets of T-rings 12 are symmetrically distributed on the outside of the inner cylinder 11. It can improve the stability of the inner tube 11 when it rotates inside the outer tube 3. The outer side of the inner tube 11 abuts against the inner wall of the outer tube 3, and the inner wall of the sponge sleeve 15 abuts against the outer side of the tube body 2. The tube body 2 can slide inside the inner tube 11, which helps the tube body 2 to move in position and the inner tube 11 to rotate smoothly inside the outer tube 3.

[0023] like Figure 4 and Figure 5 As shown, a fixing plate 20 is fixedly installed on the outer side of the sponge sleeve 15. A baffle 21 abuts against the outer side of the fixing plate 20. Positioning grooves 22 are provided on both the baffle 21 and the inner groove 16. A positioning post 23 is inserted into the inside of the positioning groove 22. The positioning post 23 is fixedly set on the outer side of the fixing plate 20. A screw 24 is fixedly installed on the outer side of both the inner cylinder 11 and the baffle 21. A nut can be engaged with the outer side of the screw 24. With this structure, when the sponge sleeve 15 wears out after long-term use, the nut can be rotated out onto the outer side of the screw 24, thereby removing the baffle 21 from the inner groove 16. The sponge sleeve 15 is removed from the inside of the internal groove 16 for replacement, as the positioning groove 22 moves from the outside of the positioning post 23. This allows personnel to directly remove the sponge sleeve 15 from the inside of the internal groove 16 without affecting the normal operation of the device. The outer side of the baffle 21 abuts against the inner wall of the internal groove 16, and the positioning post 23 fits into the inside of the positioning groove 22 to facilitate the positioning and fixing of the sponge sleeve 15. The inner wall of the baffle 21 is provided with an inner buckle 25, which abuts against the outer side of the tube body 2. The inner buckle 25 facilitates the removal of the baffle 21 from the inside of the internal groove 16.

[0024] This utility model provides a cold drawing device for stainless steel grooved pipe fittings, the specific working principle of which is as follows:

[0025] During operation, as the pipe body 2 is cold-drawn inside the inner cylinder 11 and the cold-drawing mold 1, the water pump 8 starts working, transferring the lubricating fluid inside the storage tank 10 through the discharge pipe 9 to the inside of the inlet pipe 7, and then concentrating it inside the transverse pipe 5. The lubricating fluid then flows through the diversion hole 6 and the guide hole 14 into the inner groove 16, where it is absorbed by the sponge sleeve 15. During this process, the servo motor 19 drives the pinion 18 to rotate, which in turn drives the inner cylinder 11 to rotate inside the outer cylinder 3. The T-ring 12 rotates inside the T-groove 13, allowing the sponge sleeve 15 to rotate on the outside of the pipe body 2, thus evenly applying lubricant to the outside of the pipe body 2. When the sponge sleeve 15 wears out after prolonged use, the nut is rotated out onto the outside of the screw 24, allowing the baffle 21 to be removed from the inside of the inner groove 16. During this process, the positioning groove 22 moves from the outside of the positioning post 23, allowing personnel to directly remove the sponge sleeve 15 from the inside of the inner groove 16 for replacement without affecting the normal operation of the device.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cold drawing device for stainless steel grooved pipe fittings, characterized in that: The utility model provides a cold-drawing die (1) is inserted with pipe body (2) in the inside of cold-drawing die (1), the outside of pipe body (2) is provided with external cylinder (3), the inner wall of external cylinder (3) is opened with circular hole (4), the inside fixed mounting of circular hole (4) has transverse pipe (5), the outside of transverse pipe (5) is opened with shunt hole (6), the outside fixed mounting of transverse pipe (5) has feed pipe (7), the other end fixed connection of feed pipe (7) is on water pump (8), the outside fixed connection of water pump (8) has discharge pipe (9), the other end fixed setting of discharge pipe (9) is in the inside of storage tank (10), storage tank (10) is fixedly arranged on the top of cold-drawing die (1), the inside insertion of external cylinder (3) has built-in cylinder (11), the outside fixed mounting of built-in cylinder (11) has T type ring (12), T type ring (12) is inserted in the inside of T type groove (13), T type groove (13) is opened on the inner wall of external cylinder (3), the outside opening of built-in cylinder (11) has guide flow hole (14), built-in cylinder (11) is provided with sponge cover (15), the inside insertion of sponge cover (15) is in built-in groove (16), built-in groove (16) is opened on the inner wall of built-in cylinder (11), the outside fixed mounting of built-in cylinder (11) has big gear (17), big gear (17) is engaged with small gear (18), small gear (18) is fixedly arranged on the outside of the rotating shaft of servo motor (19), servo motor (19) is fixedly arranged on the outside of external cylinder (3).

2. A device for cold-drawing a stainless steel grooved pipe according to claim 1, characterized in that: The shunt hole (6) is equidistantly distributed on the outside of the transverse pipe (5), the guide flow hole (14) is equidistantly distributed on the outside of the built-in cylinder (11), and the transverse pipe (5) is located above the built-in cylinder (11).

3. The apparatus for cold-drawing a stainless steel grooved pipe according to claim 1, wherein: The T type ring (12) is in contact with the inner wall of the T type groove (13) on the outside, and the T type ring (12) is provided with two groups, which are symmetrically distributed on the outside of the built-in cylinder (11).

4. The apparatus for cold-drawing a stainless steel grooved pipe according to claim 1, wherein: The built-in cylinder (11) is in contact with the inner wall of the external cylinder (3) on the outside, the inner wall of the sponge cover (15) is in contact with the outside of the pipe body (2), and the pipe body (2) can slide in the inside of the built-in cylinder (11).

5. The apparatus for cold-drawing a stainless steel grooved pipe according to claim 1, wherein: The outside of the sponge cover (15) is fixedly installed with a fixed plate (20), the outside of the fixed plate (20) is in contact with a baffle (21), the baffle (21) and the built-in groove (16) are both provided with a positioning groove (22), the inside of the positioning groove (22) is inserted with a positioning column (23), the positioning column (23) is fixedly arranged on the outside of the fixed plate (20), the outside of the built-in cylinder (11) and the baffle (21) is fixedly provided with a screw rod (24), and the outside of the screw rod (24) can be engaged with a nut.

6. A device for cold-drawing a stainless steel grooved pipe according to claim 5, characterized in that: The outside of the baffle (21) is in contact with the inner wall of the built-in groove (16), and the positioning column (23) is fitted in the inside of the positioning groove (22).

7. The apparatus for cold-drawing a stainless steel grooved pipe according to claim 5, wherein: The inner wall of the baffle (21) is provided with an inner buckle (25), and the inner wall of the baffle (21) abuts against the outer side of the pipe body (2).

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