Hydraulic bent pipe forming die and device

Abstract

The utility model relates to the field of bent pipe forming dies, and discloses a hydraulic bent pipe forming die and device which comprises a die sleeve, a bent pipe plate is arranged on the left side of an inner cavity of the die sleeve, guide rollers are hinged to the front side and the rear side of the inner cavity of the die sleeve through shaft rods, and a transmission box is fixedly connected to the bottom of the die sleeve. A motor is fixedly connected to the right side of the transmission box, the output end of the motor penetrates into the transmission box and is fixedly connected with a screw rod, the surface of the screw rod is in threaded connection with a toothed plate, a toothed cylinder is hinged to the interior of the transmission box through a shaft rod, and the toothed plate is meshed with the toothed cylinder; and arc-shaped plates are fixedly connected to the front side and the rear side of the surface of the tooth cylinder. According to the utility model, the motor and the screw drive the arc-shaped plate to rotate through the toothed plate and the toothed cylinder, and then the arc-shaped plate and the concave plate drive the top plate to move to a proper height, so that the top plate supports and aligns a pipe fitting, the advantage of conveniently supporting the pipe fitting is achieved, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the field of elbow forming molds, in particular to a hydraulic elbow forming mold and device. Background Technique

[0002] Elbow molds are widely used in many industries, such as construction, automobile manufacturing, aerospace, etc. The basic principle of an elbow mold is to place a pipe into the mold and then apply a certain force to bend it into the desired shape.

[0003] During the use of a hydraulic elbow forming mold, a pipe fitting needs to be placed inside the mold, and then a hydraulic device drives an elbow plate to extrude the pipe fitting. However, the current hydraulic elbow forming mold cannot support the pipe fitting. After the pipe fitting is placed in the mold, an operator needs to lift the pipe fitting to a suitable height to align the center position of the pipe fitting with the elbow plate before extrusion bending, which is time-consuming and laborious.

[0004] Therefore, a hydraulic elbow forming mold and device are proposed to solve the above problems. Content of the Utility Model

[0005] To make up for the above deficiencies, the utility model provides a hydraulic elbow forming mold and device, aiming to improve the problem that the existing hydraulic elbow forming mold cannot support pipe fittings.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A hydraulic elbow forming mold includes a mold sleeve. A bend plate is arranged on the left side of the inner cavity of the mold sleeve. Guide rollers are hinged on the front side and the rear side of the inner cavity of the mold sleeve through shaft rods. A transmission box is fixedly connected to the bottom of the mold sleeve. A motor is fixedly connected to the right side of the transmission box. The output end of the motor penetrates into the interior of the transmission box and is fixedly connected to a screw rod. A toothed plate is threadedly connected to the surface of the screw rod. A toothed cylinder is hinged in the transmission box through a shaft rod. The toothed plate meshes with the toothed cylinder. Arc-shaped plates are fixedly connected to the front side and the rear side of the surface of the toothed cylinder. A concave plate is arranged on the top of the arc-shaped plate. The top end of the concave plate penetrates through the top of the transmission box and is fixedly connected to a top plate. A spring piece is fixedly connected to the bottom of the inner wall of the concave plate, and the top end of the spring piece is fixedly connected inside the transmission box. A limiting component is arranged on the top of the mold sleeve, and a supporting component is arranged inside the transmission box;

[0008] As a further description of the above technical solution:

[0009] The limiting component includes a scale plate, the scale plate is fixedly connected to the front surface of the mold sleeve, a square groove is formed at the top of the top plate, the top plate is sleeved on the surface of the scale plate through the square groove, and a baffle is fixedly connected to the top of the scale plate;

[0010] As a further description of the above technical solution:

[0011] The supporting component includes a round sleeve, the round sleeve is fixedly connected to the left side of the inner wall of the transmission box, and the left end of the screw rod is slidably connected to the inside of the round sleeve;

[0012] As a further description of the above technical solution:

[0013] A limiting rod is fixedly connected to the bottom of the inner cavity of the transmission box, and the toothed plate is slidably sleeved on the surface of the limiting rod;

[0014] As a further description of the above technical solution:

[0015] Square sleeves are fixedly connected to the front end and the rear end of both sides of the inner wall of the transmission box, and the square sleeves are sleeved on the surface of the concave plate;

[0016] As a further description of the above technical solution:

[0017] Reinforcing plates are fixedly connected to the tops of both sides of the concave plate, and the tops of the reinforcing plates are fixedly connected to the bottom of the top plate;

[0018] As a further description of the above technical solution:

[0019] A protective mesh cover is fixedly connected to the right side of the transmission box, and the protective mesh cover is sleeved on the surface of the motor;

[0020] A hydraulic pipe bending and forming device includes a hydraulic cylinder, and the hydraulic pipe bending and forming device further includes the hydraulic pipe bending and forming die as described above.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the motor and the screw rod drive the arc plate to rotate through the toothed plate and the toothed cylinder, and then the arc plate and the concave plate drive the top plate to move to a suitable height, so that the top plate supports and aligns the pipe fitting, achieving the advantage of facilitating the support of the pipe fitting, saving time and effort.

[0023] 2. In the utility model, by setting the cooperation of the scale plate, the square groove and the baffle, it is convenient for the user to observe the height of the top plate, and then it is convenient for the user to move the top plate to a suitable height, preventing the phenomenon that the moving distance of the top plate is too large. Description of the Drawings

[0024] Figure 1A three-dimensional schematic diagram of a hydraulic pipe bending and forming die and device proposed by the present utility model;

[0025] Figure 2 A structural schematic diagram of the top plate of a hydraulic pipe bending and forming die and device proposed by the present utility model;

[0026] Figure 3 A sectional schematic diagram of the transmission box of a hydraulic pipe bending and forming die and device proposed by the present utility model;

[0027] Figure 4 A structural schematic diagram of the toothed cylinder of a hydraulic pipe bending and forming die and device proposed by the present utility model.

[0028] Legend:

[0029] 1. Die sleeve; 2. Pipe bending plate; 3. Guide roller; 4. Transmission box; 5. Motor; 6. Screw; 7. Toothed plate; 8. Toothed cylinder; 9. Arc plate; 10. Concave plate; 11. Top plate; 12. Elastic sheet; 13. Scale plate; 14. Square groove; 15. Baffle; 16. Round sleeve; 17. Limit rod; 18. Square sleeve; 19. Reinforcing plate; 20. Protective mesh cover; 21. Hydraulic cylinder. Detailed implementation manners

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0031] Refer to Figures 1-3, an embodiment provided by the present utility model: a hydraulic pipe bending and forming die, including a die sleeve 1. A pipe bending plate 2 is arranged on the left side of the inner cavity of the die sleeve 1. Guide rollers 3 are hinged on the front side and the rear side of the inner cavity of the die sleeve 1 through shaft rods. A transmission box 4 is fixedly connected to the bottom of the die sleeve 1. A motor 5 is fixedly connected to the right side of the transmission box 4. A protective net cover 20 is fixedly connected to the right side of the transmission box 4. The protective net cover 20 is sleeved on the surface of the motor 5. By setting the protective net cover 20, the surface of the motor 5 can be protected, avoiding the phenomenon of foreign objects colliding with the motor 5; the output end of the motor 5 penetrates into the interior of the transmission box 4 and is fixedly connected with a screw rod 6. A toothed plate 7 is threadedly connected to the surface of the screw rod 6. A limiting rod 17 is fixedly connected to the bottom of the inner cavity of the transmission box 4. The toothed plate 7 is slidably sleeved on the surface of the limiting rod 17. By setting the limiting rod 17, the toothed plate 7 can be limited, improving the stability of the toothed plate 7 during movement; a toothed cylinder 8 is hinged in the transmission box 4 through a shaft rod. The toothed plate 7 meshes with the toothed cylinder 8. Arc-shaped plates 9 are fixedly connected to the front side and the rear side of the surface of the toothed cylinder 8. A concave plate 10 is arranged on the top of the arc-shaped plate 9. Square sleeves 18 are fixedly connected to the front end and the rear end of both sides of the inner wall of the transmission box 4. The square sleeves 18 are sleeved on the surface of the concave plate 10. By setting the square sleeves 18, the concave plate 10 can be limited, avoiding the phenomenon of the concave plate 10 shaking during movement; the top end of the concave plate 10 penetrates to the top of the transmission box 4 and is fixedly connected with a top plate 11. Reinforcing plates 19 are fixedly connected to the top of both sides of the concave plate 10. The top of the reinforcing plate 19 is fixedly connected to the bottom of the top plate 11. By setting the arc-shaped plate 9, the connection area between the concave plate 10 and the top plate 11 can be increased, improving the support strength of the top plate 11; an elastic sheet 12 is fixedly connected to the bottom of the inner wall of the concave plate 10. The top end of the elastic sheet 12 is fixedly connected to the interior of the transmission box 4.

[0032] Referring to Figures 2-4 , a limiting component is arranged on the top of the die sleeve 1. The limiting component includes a scale plate 13. The scale plate 13 is fixedly connected to the front surface of the die sleeve 1. A square groove 14 is opened on the top of the top plate 11. The top plate 11 is sleeved on the surface of the scale plate 13 through the square groove 14. A baffle 15 is fixedly connected to the top of the scale plate 13. By setting the scale plate 13, the square groove 14 and the baffle 15 in cooperation, it is convenient for the user to observe the height of the top plate 11, and then it is convenient for the user to move the top plate 11 to a suitable height, preventing the phenomenon that the moving distance of the top plate 11 is too large.

[0033] Referring to Figures 3-4 , a support component is arranged in the transmission box 4. The support component includes a round sleeve 16. The round sleeve 16 is fixedly connected to the left side of the inner wall of the transmission box 4. The left end of the screw rod 6 is slidably connected to the inside of the round sleeve 16; by setting the round sleeve 16, the left end of the screw rod 6 can be supported, improving the stability of the screw rod 6 during rotation.

[0034] Referring toFigures 1-3 , the present utility model also provides an embodiment: a hydraulic pipe bending and forming device, including a hydraulic cylinder 21. The hydraulic pipe bending and forming device further includes the above-mentioned hydraulic pipe bending and forming die. By providing the hydraulic pipe bending and forming die, the pipe fittings can be supported, facilitating the rapid pipe bending process of the hydraulic pipe bending and forming device for the pipe fittings.

[0035] Working principle: The user first starts the motor 5. The motor 5 drives the screw rod 6 to rotate. The screw rod 6 drives the toothed plate 7 to move leftward. The toothed plate 7 drives the arc-shaped plate 9 to rotate through the toothed cylinder 8. The arc-shaped plate 9 pushes the concave plate 10 to move upward. The concave plate 10 drives the top plate 11 to move upward. The user can observe the height of the top plate 11 through the scale plate 13. When the top plate 11 reaches the appropriate height, the motor 5 is turned off. Then, the pipe fitting is placed on the top of the top plate 11. The top plate 11 can support the pipe fitting, facilitating the alignment of the pipe fitting with the center position of the guide roller 3. Then, the hydraulic cylinder 21 is started. The hydraulic cylinder 21 drives the pipe bending plate 2 to extrude and bend the pipe fitting, thus achieving the effect of facilitating the support of the pipe fitting.

[0036] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A hydraulic pipe bending forming die, comprising a die sleeve (1), characterized in that: A tube bending plate (2) is arranged on the left side of the inner cavity of the mold sleeve (1); guide rollers (3) are hingedly connected to the front and rear sides of the inner cavity of the mold sleeve (1) via shafts; a transmission box (4) is fixedly connected to the bottom of the mold sleeve (1); a motor (5) is fixedly connected to the right side of the transmission box (4); an output end of the motor (5) passes through the interior of the transmission box (4) and is fixedly connected to a screw rod (6); a tooth plate (7) is threadedly connected to the surface of the screw rod (6); a gear cylinder (8) is hingedly connected to the interior of the transmission box (4) via a shaft; the tooth plate (7) The toothed cylinder (8) is meshed with the toothed cylinder (8), the front side and the rear side of the surface of the toothed cylinder (8) are fixedly connected with an arc plate (9), the top of the arc plate (9) is provided with a concave plate (10), the top end of the concave plate (10) penetrates to the top of the transmission box (4) and is fixedly connected with a top plate (11), the bottom of the inner wall of the concave plate (10) is fixedly connected with a spring sheet (12), the top end of the spring sheet (12) is fixedly connected to the inside of the transmission box (4), a limiting component is provided at the top of the mold sleeve (1), and a supporting component is provided inside the transmission box (4).

2. A hydraulic pipe bending forming die according to claim 1, characterized in that: The limit assembly comprises a scale plate (13), the scale plate (13) is fixedly connected to the front side of the mold sleeve (1), a square groove (14) is provided on the top of the top plate (11), the top plate (11) is sleeved on the surface of the scale plate (13) through the square groove (14), and a baffle (15) is fixedly connected to the top of the scale plate (13).

3. The hydraulic pipe bending forming die according to claim 1, characterized in that: The support assembly comprises a circular sleeve (16), the circular sleeve (16) is fixedly connected to the left side of the inner wall of the transmission box (4), and the left end of the screw rod (6) is slidably connected to the inside of the circular sleeve (16).

4. The hydraulic pipe bending forming die according to claim 1, characterized in that: The bottom of the inner cavity of the transmission box (4) is fixedly connected to a limiting rod (17), and the toothed plate (7) is slidably sleeved on the surface of the limiting rod (17).

5. The hydraulic pipe bending forming die according to claim 1, characterized in that: The front end and the rear end of both sides of the inner wall of the transmission box (4) are fixedly connected with a square sleeve (18), and the square sleeve (18) is sleeved on the surface of the concave plate (10).

6. The hydraulic pipe bending forming die according to claim 1, characterized in that: The tops of both sides of the concave plate (10) are fixedly connected to reinforcement plates (19), and the tops of the reinforcement plates (19) are fixedly connected to the bottom of the top plate (11).

7. The hydraulic pipe bending forming die according to claim 1, characterized in that: A protective mesh cover (20) is fixedly connected to the right side of the transmission box (4), and the protective mesh cover (20) is sleeved on the surface of the motor (5).

8. A hydraulic tube bending device, comprising a hydraulic cylinder (21), characterized in that: The hydraulic tube bending forming device also includes a hydraulic tube bending forming die as described in any one of claims 1-7.

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