Steel pipe cold-drawing tool grinding die

Abstract

The utility model discloses a steel pipe cold-drawing tool grinding die, and relates to the technical field of steel pipe cold drawing. The steel pipe cold-drawing tool grinding die comprises a base, a supporting strip is arranged on the upper surface of the base, a die pipe is arranged above the supporting strip, a clamping plate is arranged above the supporting strip, a threaded rod is arranged on the clamping plate in an inserted mode, the bottom of the threaded rod is fixedly connected with the top of the supporting strip, and a nut is connected to the surface of the threaded rod in a threaded mode. Then the clamping plate can be moved on the screw rod, then the mold pipe is placed between the supporting strip and the clamping plate, meanwhile, the pull ring is pulled up, the pull ring pulls up the inserting rod on the baffle, the bottom of the inserting rod is flush with a pipe groove, allowing the mold pipe to pass through, in the positioning plate, one end of the mold pipe is inserted into one side of the positioning plate, and then the pull ring is loosened; and a reset spring performs reset operation on the insertion rod on the baffle, so that the insertion rod can conveniently perform positioning operation on the insertion rod subsequently, and meanwhile, the insertion rod can be conveniently adjusted subsequently.

Description

Technical Field

[0001] The utility model relates to the technical field of cold drawing of steel pipes, in particular to a tool grinding die for cold drawing of steel pipes. Background Art

[0002] If you want to obtain seamless pipes with smaller size and better quality, you must use cold rolling, cold drawing or a combination of the two methods. Cold rolling is usually carried out on a two-roll rolling mill. The steel pipe is rolled in an annular hole composed of a variable-section circular hole groove and a stationary conical head. Cold drawing is usually carried out on a single-chain or double-chain cold drawing machine of 0.5 to 100T. There is an existing patent, patent announcement number CN217095056U, which is a cold drawing die for steel pipes. The cold drawing die for steel pipe comprises: a support seat; a cold drawing outer die, which is arranged on the support seat, and a drawing die hole for accommodating the steel pipe is provided on the cold drawing outer die; a cold drawing inner die, which is inserted into the drawing die hole, and there is a gap between the outer wall surface of the cold drawing inner die and the inner wall surface of the drawing die hole; a cooling assembly, comprising a nozzle and a support member for supporting the nozzle, and a nozzle is provided on at least one side of the cold drawing outer die along the axial direction of the drawing die hole, and the support member is located on one side of the support seat or is arranged on the support seat, and the nozzle is used to spray coolant to the cold drawing outer die and / or the cold drawing inner die. The cold drawing die for steel pipe of the technical solution of the utility model can improve the cold drawing accuracy of the steel pipe.

[0003] Regarding the above-mentioned related technologies, the inventors believe that the following defects exist: in actual application, the subsequent positioning process will affect the demolding operation of the mold, affect the subsequent normal use, and reduce the convenience of using the mold. Therefore, we proposed a steel pipe cold drawing tooling grinding mold to solve the above-mentioned problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a steel pipe cold drawing tool grinding die, which solves the problem of inconvenient positioning and demoulding of the die during use.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a steel pipe cold drawing tool grinding mold, including a base, the upper surface of the base is provided with a support bar, a mold tube is provided above the support bar, a clamping plate is provided above the support bar, a screw is inserted on the clamping plate, the bottom of the screw is fixedly connected to the top of the support bar, and a nut is threadedly connected to the surface of the screw.

[0006] The base is provided with a cavity, the interior of the cavity is slidably connected to a sliding plate, a motor is fixedly installed on one side of the inner wall of the cavity, a screw is fixedly installed on the output shaft of the motor, one end of the screw passes through the sliding plate and extends to the outside of the sliding plate, a sliding rod is fixedly installed on the top of the sliding plate, and the top of the sliding rod is fixedly connected to the bottom of the support bar.

[0007] A positioning plate is fixedly installed on the base, one end of the mold tube passes through the mold tube and extends to the outside of the mold tube, a plug-in rod is inserted on the top of the positioning plate, the bottom of the plug-in rod is plugged into the surface of the mold tube, a baffle is fixedly installed on the top of the plug-in rod, the top of the baffle is fixedly connected by a pull ring, a return spring is arranged around the surface of the plug-in rod, and the baffle and the positioning plate are fixedly connected by the return spring.

[0008] Preferably, a positioning ring is fixedly installed on one end of the mold tube, a limiting rod is fixedly installed on one side of the positioning ring, and one end of the limiting rod is plugged into one side of the support bar and the clamping plate.

[0009] Preferably, mounting plates are fixedly mounted at the four corners of the bottom of the base, mounting holes are provided on the mounting plates, the mounting holes are oblong holes, and anti-slip grooves are provided on the lower surface of the mounting plates.

[0010] Preferably, the sliding plate is provided with a thread hole for the screw rod to pass through, the thread hole is threadedly connected to the screw rod, one end of the screw rod is sleeved with a sleeve, the sleeve is rotatably connected to the screw rod, and one end of the sleeve is fixedly connected to one side of the inner wall of the cavity.

[0011] Preferably, rod grooves for the sliding rod to pass through are formed on both sides of the upper surface of the base, and the inner walls of the rod grooves are slidably connected to the surface of the sliding rod.

[0012] Preferably, a semicircular rod is fixedly mounted on the inner bottom wall of the base cavity, a semicircular groove for the semicircular rod to pass through is opened on the lower surface of the sliding plate, and the inner wall of the semicircular groove is slidably connected to the surface of the semicircular rod.

[0013] Preferably, an anti-slip strip is fixedly installed in the arc-shaped groove of the clamping plate, the anti-slip strip is made of rubber, and the surface of the anti-slip strip is provided with anti-slip grooves.

[0014] Beneficial Effects

[0015] The utility model provides a steel pipe cold drawing tool grinding die. Compared with the prior art, it has the following advantages:

[0016] Beneficial effects:

[0017] The steel pipe cold drawing tool grinding die can loosen the nut and then move the clamping plate on the screw rod, then put the mold tube between the support bar and the clamping plate, and pull up the pull ring at the same time. The pull ring pulls up the plug rod on the baffle, so that the bottom of the plug rod is flush with the pipe groove on the positioning plate for the mold tube to pass through, one end of the mold tube is inserted into one side of the positioning plate, and then the pull ring is loosened, and the reset spring resets the plug rod on the baffle, so as to facilitate the subsequent positioning operation of the plug rod, facilitate subsequent use, improve the convenience of use of the mold, and also facilitate subsequent adjustment operations.

[0018] At the same time, the motor is controlled to work, and the motor drives the sliding rod on the sliding plate to move, so as to facilitate the movement of the support bar, thereby facilitating the tightening operation of the mold tube, and facilitating the subsequent positioning and tightening operation during use, thereby facilitating subsequent use and improving the convenience of using the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of the base of the utility model;

[0021] Figure 3 This is a three-dimensional structural schematic diagram of the pallet of the utility model;

[0022] Figure 4 This is a schematic diagram of the three-dimensional connection structure between the mold tube and the positioning ring of the utility model;

[0023] Figure 5 For this utility model Figure 1 A schematic diagram of the enlarged structure in the middle.

[0024] In the figure: 1. base; 2. support bar; 3. mold tube; 4. clamping plate; 5. screw; 6. nut; 7. sliding plate; 8. motor; 9. screw; 10. sliding rod; 11. positioning plate; 12. plug-in rod; 13. baffle; 14. pull ring; 15. reset spring; 16. positioning ring; 17. limit rod; 18. mounting plate; 19. semicircular rod; 20. anti-slip strip. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-5 The utility model provides a technical solution: a steel pipe cold drawing tool grinding die, including a base 1, a support bar 2 is arranged on the upper surface of the base 1, a die tube 3 is arranged above the support bar 2, a clamping plate 4 is arranged above the support bar 2, a screw 5 is inserted on the clamping plate 4, the bottom of the screw 5 is fixedly connected to the top of the support bar 2, and a nut 6 is threadedly connected to the surface of the screw 5.

[0027] A cavity is provided on the base 1, and a sliding plate 7 is slidably connected to the inside of the cavity. A motor 8 is fixedly installed on one side of the inner wall of the cavity, and a screw rod 9 is fixedly installed on the output shaft of the motor 8. One end of the screw rod 9 passes through the sliding plate 7 and extends to the outside of the sliding plate 7. A sliding rod 10 is fixedly installed on the top of the sliding plate 7, and the top of the sliding rod 10 is fixedly connected to the bottom of the support bar 2.

[0028] At the same time, the motor 8 is controlled to work, and the motor 8 drives the slide bar 10 on the slide plate 7 to move, so as to facilitate the movement of the support bar 2, thereby facilitating the tightening operation of the mold tube 3, and facilitating the subsequent positioning and tightening operation during use, thereby facilitating subsequent use and improving the convenience of using the mold.

[0029] A positioning plate 11 is fixedly installed on the base 1, one end of the mold tube 3 passes through the mold tube 3 and extends to the outside of the mold tube 3, a plug-in rod 12 is inserted on the top of the positioning plate 11, the bottom of the plug-in rod 12 is plugged into the surface of the mold tube 3, a baffle 13 is fixedly installed on the top of the plug-in rod 12, the top of the baffle 13 is fixedly connected by a pull ring 14, a return spring 15 is arranged around the surface of the plug-in rod 12, and the baffle 13 and the positioning plate 11 are fixedly connected by the return spring 15.

[0030] Loosen the nut 6, and then move the clamping plate 4 on the screw 5, and then put the mold tube 3 between the support bar 2 and the clamping plate 4, and pull up the pull ring 14 at the same time. The pull ring 14 pulls up the plug-in rod 12 on the baffle 13, so that the bottom of the plug-in rod 12 is flush with the tube groove on the positioning plate 11 for the mold tube 3 to pass through, and one end of the mold tube 3 is inserted into one side of the positioning plate 11. Then loosen the pull ring 14, and the reset spring 15 resets the plug-in rod 12 on the baffle 13, so as to facilitate the subsequent positioning operation of the plug-in rod 12, facilitate subsequent use, improve the convenience of use of the mold, and also facilitate subsequent adjustment operations.

[0031] Preferably, a positioning ring 16 is fixedly installed at one end of the mold tube 3 , a limiting rod 17 is fixedly installed on one side of the positioning ring 16 , and one end of the limiting rod 17 is plugged into one side of the support bar 2 and the clamping plate 4 .

[0032] The positioning ring 16 is provided to facilitate the subsequent positioning operation of the mold tube 3 during actual application, thereby facilitating subsequent use and improving the positioning effect of the component. At the same time, the setting of the limit rod 17 can facilitate the limiting of the positioning ring 16 to prevent it from rotating.

[0033] Preferably, mounting plates 18 are fixedly mounted at the four corners of the bottom of the base 1 , mounting holes are provided on the mounting plates 18 , and the mounting holes are oblong holes. The lower surface of the mounting plates 18 is provided with anti-slip grooves.

[0034] The provided mounting plate 18 facilitates the installation and positioning of the component during use, thereby facilitating subsequent use and improving the installation stability of the component.

[0035] Preferably, a thread hole for the screw rod 9 to pass through is opened on the sliding plate 7, the thread hole is threadedly connected to the screw rod 9, one end of the screw rod 9 is sleeved with a sleeve, the sleeve is rotatably connected to the screw rod 9, and one end of the sleeve is fixedly connected to one side of the inner wall of the cavity.

[0036] The sleeve is provided to facilitate the limited rotation of one end of the screw rod 9 during use, thereby facilitating subsequent use and improving the stability of the rotation of the screw rod 9.

[0037] Preferably, rod grooves for the sliding rod 10 to pass through are formed on both sides of the upper surface of the base 1 , and the inner walls of the rod grooves are slidably connected to the surface of the sliding rod 10 .

[0038] The provided slide bar 10 facilitates the movement of the support bar 2 during use, thereby facilitating subsequent use.

[0039] Preferably, a semicircular rod 19 is fixedly mounted on the inner bottom wall of the cavity of the base 1 , a semicircular groove for the semicircular rod 19 to pass through is formed on the lower surface of the sliding plate 7 , and the inner wall of the semicircular groove is slidably connected to the surface of the semicircular rod 19 .

[0040] The provision of the semicircular rod 19 achieves the effect of facilitating the support of the sliding plate 7 , thereby also facilitating the subsequent movement operation of the sliding plate 7 .

[0041] Preferably, an anti-skid strip 20 is fixedly installed in the arc-shaped groove of the clamping plate 4. The anti-skid strip 20 is made of rubber, and the surface of the anti-skid strip 20 is provided with anti-skid patterns.

[0042] When working, loosen nut 6, then the clamping plate 4 can be moved on the screw rod 5, and then the mold tube 3 is placed between the support bar 2 and the clamping plate 4, and the pull ring 14 is pulled up at the same time. The pull ring 14 pulls up the plug rod 12 on the baffle plate 13, so that the bottom of the plug rod 12 is flush with the tube groove on the positioning plate 11 for the mold tube 3 to pass through, and one end of the mold tube 3 is inserted into one side of the positioning plate 11. Then loosen the pull ring 14, and the reset spring 15 resets the plug rod 12 on the baffle plate 13, so as to facilitate the subsequent positioning operation of the plug rod 12, facilitate subsequent use, and improve the convenience of use of the mold, and also facilitate the subsequent adjustment operation, control the motor 8 to work, and the motor 8 drives the slide bar 10 on the sliding plate 7 to move, so as to facilitate the movement of the support bar 2, thereby facilitating the tightening operation of the mold tube 3, and facilitating the subsequent positioning and tightening operation during use, so as to facilitate subsequent use, and improve the convenience of use of the mold.

[0043] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A steel pipe cold drawing tool grinding die, comprising a base (1), characterized in that: The upper surface of the base (1) is provided with a support bar (2), a mold tube (3) is provided above the support bar (2), a clamping plate (4) is provided above the support bar (2), a screw rod (5) is inserted on the clamping plate (4), the bottom of the screw rod (5) is fixedly connected to the top of the support bar (2), and a nut (6) is threadedly connected to the surface of the screw rod (5); The base (1) is provided with a cavity, the interior of the cavity is slidably connected to a sliding plate (7), a motor (8) is fixedly mounted on one side of the inner wall of the cavity, a screw rod (9) is fixedly mounted on the output shaft of the motor (8), one end of the screw rod (9) passes through the sliding plate (7) and extends to the outside of the sliding plate (7), a sliding rod (10) is fixedly mounted on the top of the sliding plate (7), and the top of the sliding rod (10) is fixedly connected to the bottom of the support bar (2); A positioning plate (11) is fixedly mounted on the base (1); one end of the mold tube (3) penetrates the mold tube (3) and extends to the outside of the mold tube (3); a plug-in rod (12) is inserted on the top of the positioning plate (11); the bottom of the plug-in rod (12) is plugged into the surface of the mold tube (3); a baffle (13) is fixedly mounted on the top of the plug-in rod (12); the top of the baffle (13) is fixedly connected via a pull ring (14); a return spring (15) is arranged around the surface of the plug-in rod (12); the baffle (13) and the positioning plate (11) are fixedly connected via the return spring (15).

2. A steel pipe cold drawing tool grinding die according to claim 1, characterized in that: A positioning ring (16) is fixedly mounted on one end of the mold tube (3), a limiting rod (17) is fixedly mounted on one side of the positioning ring (16), and one end of the limiting rod (17) is plugged into one side of the support bar (2) and the clamping plate (4).

3. A steel pipe cold drawing tool grinding die according to claim 1, characterized in that: The four corners of the bottom of the base (1) are fixedly mounted with mounting plates (18), the mounting plates (18) are provided with mounting holes, the mounting holes are oblong holes, and the lower surface of the mounting plates (18) is provided with anti-slip grooves.

4. A steel pipe cold drawing tool grinding die according to claim 1, characterized in that: The sliding plate (7) is provided with a threaded hole for the screw rod (9) to pass through, the threaded hole is threadedly connected to the screw rod (9), one end of the screw rod (9) is sleeved with a sleeve, the sleeve is rotatably connected to the screw rod (9), and one end of the sleeve is fixedly connected to one side of the inner wall of the cavity.

5. The steel pipe cold drawing tool grinding die according to claim 1, characterized in that: Rod grooves for the sliding rod (10) to pass through are provided on both sides of the upper surface of the base (1), and the inner walls of the rod grooves are slidably connected to the surface of the sliding rod (10).

6. A steel pipe cold drawing tool grinding die according to claim 1, characterized in that: A semicircular rod (19) is fixedly mounted on the inner bottom wall of the cavity of the base (1), and a semicircular groove for the semicircular rod (19) to pass through is provided on the lower surface of the sliding plate (7), and the inner wall of the semicircular groove is slidably connected to the surface of the semicircular rod (19).

7. The steel pipe cold drawing tool grinding die according to claim 1, characterized in that: An anti-skid strip (20) is fixedly installed in the arc-shaped groove of the clamping plate (4); the anti-skid strip (20) is made of rubber, and the surface of the anti-skid strip (20) is provided with anti-skid patterns.

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