Centrifugal pipe cutting structure for pipe bending equipment

Abstract

The utility model discloses a centrifugal pipe cutting structure for pipe bending equipment, which comprises a machine base, a feeding channel for conveying pipe fittings is arranged on the machine base, a cutting component capable of rotating around the feeding channel and a driving device for driving the cutting component to rotate are arranged on the machine base, the cutting component comprises a rotating seat, and the rotating seat is provided with a rotating shaft. A sliding part capable of sliding relative to the rotating seat is arranged on the rotating seat, a cutting knife is arranged on the sliding part, a balance weight part is connected to the sliding part, and the balance weight part and the cutting knife are located on the two sides of the feeding channel respectively; and when the rotating seat rotates, the counter weight part can pull the sliding part to move so as to enable the cutting knife to move towards the center of the feeding channel. The utility model aims to overcome the defects in the prior art, and provides the cutting mechanism which is used for inclined cutting of the pipe and can accurately and reliably realize inclined cutting of the pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to a centrifugal pipe cutting structure for pipe bending equipment. BACKGROUND

[0002] In the field of metal processing and manufacturing, a pipe bender is an important equipment for bending straight pipes into a specific shape. However, in the traditional pipe bending process, when the pipe is bent, due to the physical properties of the material, the inner bend is compressed while the outer bend is stretched. This uneven deformation often leads to the inclination of the cutout of the pipe after bending, affecting the appearance quality and assembly precision of the product. Therefore, the present utility model person has developed a set of pipe bending process and pipe bending equipment. This scheme requires that the bevel cutout be made when the pipe blank is blanked. The angle of the bevel cut is calculated according to the thickness of the pipe. However, due to the generally thin diameter of the pipe, the traditional pipe cutting equipment cannot produce a high-precision pipe bevel cutting process at one time.

[0003] The present utility model is just generated based on the above-mentioned deficiencies. UTILITY MODEL CONTENT

[0004] The utility model aims to overcome the deficiencies of the prior art and provide a cutting mechanism for bevel cutting of pipe material and accurate and reliable realization of pipe bevel cutting.

[0005] The utility model is realized through the following technical solutions:

[0006] The utility model provides a centrifugal pipe cutting structure for pipe bending equipment, which comprises a machine base, a feeding channel for pipe conveying is arranged on the machine base, a cutting material assembly capable of rotating around the feeding channel and a driving device for driving the cutting material assembly to rotate are arranged on the machine base, the cutting material assembly comprises a rotating seat, a sliding piece capable of sliding relative to the rotating seat is arranged on the rotating seat, a cutting knife is arranged on the sliding piece, a counterweight is connected to the sliding piece, and the counterweight and the cutting knife are respectively located on the two sides of the feeding channel, so that when the rotating seat rotates, the counterweight can pull the sliding piece to move and the cutting knife moves to the center of the feeding channel.

[0007] The centrifugal pipe cutting structure for pipe bending equipment as described above, the rotating shaft of the cutting material assembly and the feeding channel form an angle.

[0008] The centrifugal pipe cutting structure for the pipe bending equipment as described above, the rotating seat comprises a driving cylinder seat, a mounting boss is arranged in the middle of the driving cylinder seat, a sliding groove with open ends is arranged on the mounting boss, a mounting sleeve is connected to the driving cylinder seat, a sleeve ring is arranged on the mounting sleeve and covers the mounting boss and seals the two ends of the sliding groove, a matching notch is arranged on the sleeve ring corresponding to the sliding groove, and the matching notch and the sliding groove form a cavity for the sliding of a sliding piece.

[0009] The centrifugal pipe cutting structure for the pipe bending equipment as described above, a first feeding hole for the pipe piece to pass through is arranged on the rotating seat, a second feeding hole for the pipe piece to pass through is arranged in the middle of the sliding piece, the cutting knife is connected to one side of the second feeding hole of the sliding piece, and the counterweight is connected to the other side of the second feeding hole of the sliding piece.

[0010] The centrifugal pipe cutting structure for the pipe bending equipment as described above, the rotating seat comprises a driving cylinder seat and a mounting sleeve connected to the driving cylinder seat, the mounting sleeve is in a cylindrical shape, the mounting sleeve is provided with a semicylindrical mounting gap, and the counterweight is in a semicylindrical shape matched with the mounting sleeve and arranged on the mounting gap.

[0011] The centrifugal pipe cutting structure for the pipe bending equipment as described above, an adjusting seat is arranged on the machine base, the adjusting seat is rotationally connected to the machine base so that the adjusting seat can swing relative to the machine base, a locking structure for locking the adjusting seat is arranged between the adjusting seat and the machine base, and the cutting assembly and the driving device are both connected to the adjusting seat.

[0012] The centrifugal pipe cutting structure for the pipe bending equipment as described above, the locking structure comprises an arc-shaped hole arranged on the machine base and concentric with the rotating shaft of the adjusting seat, and a connecting hole arranged on the adjusting seat and corresponding to the arc-shaped hole, so that a mounting bolt can pass through the arc-shaped hole and be connected to the connecting hole.

[0013] The centrifugal pipe cutting structure for the pipe bending equipment as described above, the driving device comprises a driving motor, a belt pulley is connected to the output shaft of the driving motor, a belt is arranged around the belt pulley, and the belt is arranged around the driving cylinder seat.

[0014] The centrifugal pipe cutting structure for the pipe bending equipment as described above, a plurality of cutting assemblies are arranged, and the belt is sequentially arranged around the driving cylinder seats of the cutting assemblies.

[0015] The centrifugal pipe cutting structure for the pipe bending equipment as described above, a connecting shaft is arranged on the sliding piece, a bearing is sleeved on the connecting shaft, and the cutting knife is sleeved on the bearing.

[0016] Compared with the prior art, the cutting mechanism has the following advantages:

[0017] The cutting mechanism has a feeding channel of the pipe fitting, and has a cutting assembly capable of rotating around the feeding channel, and a rotation axis of the cutting assembly and a center line of the feeding channel form an angle, the cutting assembly comprises a rotating seat, a sliding member capable of sliding relative to the rotating seat is arranged on the rotating seat, a cutting knife is arranged on the sliding member, a counterweight is connected to the sliding member, and the counterweight and the cutting knife are located on two sides of the feeding channel. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the cutting mechanism of the utility model;

[0019] Figure 2 is a partial exploded schematic view of the cutting mechanism of the utility model Figure 1 ;

[0020] Figure 3 is a partial exploded schematic view of the cutting mechanism of the utility model Figure 2 ;

[0021] Figure 4 is a principle schematic view of the cutting assembly of the utility model;

[0022] Figure 5 is a structural schematic view of the cutting assembly of the utility model;

[0023] Figure 6 is a sectional view of the cutting assembly of the utility model;

[0024] Figure 7 is an exploded schematic view of the cutting assembly of the utility model Figure 1 ;

[0025] Figure 8 is an exploded schematic view of the cutting assembly of the utility model Figure 2 . DETAILED DESCRIPTION

[0026] The utility model will be further described in connection with the drawings:

[0027] The orientations described in this utility model specification, such as "up," "down," "left," "right," "front," and "back," are based on the orientations in the accompanying drawings and are intended to facilitate the description of the relationships between the various components. They do not indicate the unique or absolute positional relationships between the various components, but are merely one embodiment of the utility model and are not a limitation on its implementation.

[0028] In this embodiment, a centrifugal pipe cutting structure for pipe bending equipment is provided, such as... Figures 1 to 6 As shown, the system includes a base 1, which has a feeding channel 10 for conveying pipe fitting A. The feeding channel 10 refers to the channel for conveying pipe fitting A along the axial direction, and can be implemented by providing a through hole or sleeve on the base 1 for pipe fitting A to pass through. In this embodiment, for example... Figures 1 to 6 As shown, the machine base 1 is equipped with a sleeve 12, allowing the pipe A to pass through the sleeve 12 for conveying. The conveying path of the pipe A is the feeding channel 10, that is, the inner cavity of the sleeve 12, the feeding through hole 40 on the adjusting seat 4, the first feeding hole 210, and the second feeding hole 220 all constitute the feeding channel 10 for conveying the pipe A. The machine base 1 is equipped with a cutting assembly 2 that can rotate around the feeding channel 10, and a driving device 3 for driving the cutting assembly 2 to rotate. The rotation axis of the cutting assembly 2 forms an angle with the feeding channel 10, such as... Figure 6As shown, the rotation axis P1 of the cutting assembly 2 and the center line P2 of the feeding channel 10 form an angle a, wherein the angle a is generally in the range of 5° to 15°, and in some special cases, the angle a can be larger or smaller. In order to achieve this structure, the feeding channel 10 is horizontally arranged, and the rotation axis P1 of the cutting assembly 2 is arranged obliquely. The cutting assembly 2 comprises a rotating seat 21, a sliding member 22 arranged to slide relative to the rotating seat 21, a cutting knife 23 arranged on the sliding member 22, and a counterweight 24 connected to the sliding member 22. The counterweight 24 and the cutting knife 23 are arranged on the two sides of the feeding channel 10, respectively, so that when the rotating seat 21 rotates, the counterweight 24 can pull the sliding member 22 to move, and then the cutting knife 23 moves towards the center of the feeding channel 10. During operation, the rotating seat 21 is driven to rotate by the driving device 3. When the rotating seat 21 rotates, the counterweight 24 moves away from the rotation axis P1 due to the centrifugal force, and then drives the sliding member 22 to move. During the movement of the sliding member 22, the counterweight 24 moves away from the center P2 of the feeding channel 10, and the cutting knife 23 moves towards the center P2 of the feeding channel 10, so that the cutting knife 23 is pressed against the pipe A. At the same time, the cutting knife 23 rotates along the circumferential direction of the pipe A, and the trajectory of the rotation is inclined relative to the center P2 of the feeding channel 10, so that an inclined cut is formed. Through the above structure, since the direction of the rotation of the cutting knife 23 and the axial direction of the pipe A form an angle, in order to cut an accurate inclined cut, the movement path of the cutting knife 23 is elliptical, and therefore the counterweight 24 is needed to pull the cutting knife 23 to press against the pipe A, so that the cutting knife 23 can automatically adapt to the path of the cut during the rotation of the rotating seat 21. This is not achieved by the traditional pipe cutting device which only moves the position of the cutting knife 23. Of course, the above structure can also be applied to the case where the rotation axis of the cutting assembly 2 is aligned with the feeding channel 10. In this case, the pipe A is not obliquely cut, but only needs to be cut into a circular cut perpendicular to the axial direction of the pipe A, that is, the angle between the rotation axis P1 of the cutting assembly 2 and the center line P2 of the feeding channel 10 is 0°. This case also applies to the above structure.

[0029] In the embodiment, the counterweight 24 and the sliding member 22 are in a split structure, and can also be in an integrated structure.

[0030] The detailed structure is as follows Figures 4 to 8As shown, the rotating seat 21 comprises a driving cylinder seat 211 and a mounting sleeve seat 212, that is, the rotating seat 21 is split type, of course, it can also be made into integrated type. In the embodiment, the middle part of the driving cylinder seat 211 is provided with a protruding mounting boss 2111, the mounting boss 2111 is provided with a sliding groove 2112 with open two ends, the driving cylinder seat 211 is connected with the mounting sleeve seat 212, the mounting sleeve seat 212 is provided with a sleeve ring 2121 which is sleeved on the mounting boss 2111 and closes the two ends of the sliding groove 2112, the sleeve ring 2121 is provided with a matching notch 2122 which is correspondingly arranged with the sliding groove 2112, the matching notch 2122 and the sliding groove 2112 constitute a cavity for the sliding of the sliding piece 22, the driving cylinder seat 211 and the mounting sleeve seat 212 are connected and combined to constitute a closed cavity for the sliding of the sliding piece 22 through the assembly, this structure only needs to assemble the sliding piece 22 into the sliding groove 2112 first, and then sleeve and connect the mounting sleeve seat 212 on the mounting boss 2111, in the mechanism with small structure size, the stability and firmness of the structure can be ensured.

[0031] As shown in the figure, Figures 4 to 8 The rotating seat 21 is provided with a first feeding hole 210 for the pipe A to pass through, the middle part of the sliding piece 22 is provided with a second feeding hole 220 for the pipe A to pass through, the sliding piece 22 is connected with the cutting knife 23 on one side of the second feeding hole 220, and the sliding piece 22 is connected with the counterweight 24 on the other side of the second feeding hole 220, wherein the connection between the counterweight 24 and the sliding piece 22 is through the connecting key 27, the counterweight 24 is connected on the connecting key 27 through the clamping groove, and the counterweight 24 can also be connected on the sliding piece 22 through welding, bonding and the like.

[0032] As shown in the figure, Figures 4 to 8 The rotating seat 21 comprises a driving cylinder seat 211 and a mounting sleeve seat 212 connected on the driving cylinder seat 211, the mounting sleeve seat 212 is cylindrical, the mounting sleeve seat 212 is provided with a semicylindrical mounting gap 2123, the counterweight 24 is semicylindrical which matches the shape of the mounting sleeve seat 212, and the counterweight 24 is arranged on the mounting gap 2123, so that the counterweight 24 and the mounting sleeve seat 212 are locally combined to constitute a cylindrical shape, so that the dynamic balance is more stable when the whole cutting material assembly 2 rotates, and the whole mechanism is more stable in working.

[0033] In actual application, in order to adapt to pipe A with different pipe diameters, since the compression at the inner bending part and the stretching at the outer bending part of different pipe diameters are different in uneven degree when the pipe is bent, the inclination degree of the cutout is also different, in addition, if the wall thickness of pipe A with the same pipe diameter is different, it will also cause the inclination degree of the cutout to be different when the pipe is bent, therefore, as shown in the figure, Figure 1 and Figure 2As shown, the base 1 is provided with an adjusting seat 4, the adjusting seat 4 is rotatably connected to the base 1, so that the adjusting seat 4 can swing relative to the base 1, the adjusting seat 4 and the base 1 are provided with a locking structure 5 for locking the adjusting seat 4, so that the angle of the adjusting seat 4 can be adjusted, and then the cutting assembly 2 and the driving device 3 are connected to the adjusting seat 4, so that the inclination angle between the rotating axis P1 of the cutting assembly 2 and the center line P2 of the feeding channel 10 can be adjusted, and then the pipe with different diameters and different wall thicknesses can be adapted. The locking structure 5 includes an arc-shaped hole 11 arranged on the base 1 and concentric with the rotating axis of the adjusting seat 4, and a connecting hole 41 arranged on the adjusting seat 4 and corresponding to the arc-shaped hole 11, so that the mounting bolt can pass through the arc-shaped hole 11 and be connected to the connecting hole 41. The mounting bolt is a standard part, and the drawing does not show it.

[0034] As an embodiment of the driving device 3, the driving device 3 includes a driving motor 31, the driving motor 31 is mounted and connected to the adjusting seat 4, and the driving cylinder seat 211 of the cutting assembly 2 is rotatably connected to the adjusting seat 4, the output shaft of the driving motor 31 is connected with a belt pulley 32, the belt pulley 32 is provided with a belt 33, the belt 33 is wound around the driving cylinder seat 211, so that all the driving cylinder seats 211 are driven to rotate synchronously by the same driving motor 31, the cutting assembly 2 is provided with a plurality of belt 33, and the belt 33 is wound around the driving cylinder seat 211 of each cutting assembly 2 in sequence. The winding mode is as shown in Figure 2 The belt is S-shaped and sequentially passes through each driving cylinder seat 211, or sequentially passes through two driving cylinder seats 211 to realize synchronous rotation of each driving cylinder seat 211, so that the structure is more compact while ensuring that the work of each cutting assembly 2 is consistent, ensuring the quality and yield of the product. In order to accurately control the speed and angle of rotation of the cutting assembly 2, as a preferred embodiment, the driving motor 31 can be a servo motor capable of accurately controlling the speed and angle of rotation, the belt pulley 32 can be a synchronous belt pulley with teeth, and the belt can be a synchronous belt with teeth on the inner side.

[0035] As a preferred embodiment, in order to enable the cutting knife 23 to smoothly cut the pipe A, as shown in Figure 5 and Figure 6 The sliding member 22 is provided with a connecting shaft 25, the connecting shaft 25 is provided with a bearing 26, and the cutting knife 23 is provided around the bearing 26, so that the cutting knife 23 can be smoothly rotatably connected to the connecting shaft 25. Of course, the cutting knife 23 can also be directly fixedly connected to the connecting shaft 25.

[0036] The above only is the embodiment of the present application, and the well-known specific structure and characteristics and other common knowledge in the scheme are not described too much here. It should be pointed out that, for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope claimed in the present application should be subject to the content of its claims, and the specific implementation mode and the like recorded in the specification can be used to explain the content of the claims.

Claims

1. A centrifugal pipe cutting structure for a pipe bending apparatus, characterized by: The utility model provides a cutting device for pipe, including organic seat (1), the seat (1) is equipped with the feeding channel (10) of pipe spare conveying, the seat (1) is equipped with the cutting assembly (2) that can rotate around feeding channel (10), the driving device (3) for driving cutting assembly (2) rotation, cutting assembly (2) includes rotating seat (21), rotating seat (21) is equipped with the slider (22) that can slide relative to it, the slider (22) is equipped with cutting knife (23), the slider (22) is connected with counterweight (24), counterweight (24) and cutting knife (23) are located feeding channel (10) both sides respectively, make counterweight (24) can pull slider (22) and move when rotating seat (21) rotates, and further make cutting knife (23) move to the center of feeding channel (10).

2. The centrifugal pipe cutting structure for a pipe bending apparatus according to claim 1, characterized by: The rotating axis of the cutting assembly (2) is at an angle with the feeding channel (10).

3. The centrifugal pipe cutting structure for a pipe bending apparatus according to claim 1, characterized by: The rotating seat (21) includes a driving cylinder seat (211), the middle part of the driving cylinder seat (211) is provided with a raised mounting boss (2111), the mounting boss (2111) is provided with a sliding groove (2112) with open ends, the driving cylinder seat (211) is connected with a mounting sleeve seat (212), the mounting sleeve seat (212) is provided with a sleeve ring (2121) sleeved on the mounting boss (2111) and closing the two ends of the sliding groove (2112), the sleeve ring (2121) is provided with a matching notch (2122) corresponding to the sliding groove (2112), and the matching notch (2122) and the sliding groove (2112) form a cavity for the sliding of the slider (22).

4. The centrifugal tube cutting structure for a tube bending apparatus according to claim 1, characterized by: The rotating seat (21) is provided with a first feeding hole (210) for the pipe to pass through, the middle part of the slider (22) is provided with a second feeding hole (220) for the pipe to pass through, the slider (22) is connected with the cutting knife (23) on one side of the second feeding hole (220), and the slider (22) is connected with the counterweight (24) on the other side of the second feeding hole (220).

5. The centrifugal tube cutting structure for a tube bending apparatus according to claim 1, characterized by: The rotating seat (21) includes a driving cylinder seat (211) and a mounting sleeve seat (212) connected to the driving cylinder seat (211), the mounting sleeve seat (212) is cylindrical, and the mounting sleeve seat (212) is provided with a semicylindrical mounting gap (2123), the counterweight (24) is semicylindrical and matched with the shape of the mounting sleeve seat (212), and the counterweight (24) is arranged on the mounting gap (2123).

6. The centrifugal tube cutting structure for a tube bending apparatus according to claim 1, characterized by: The seat (1) is provided with an adjusting seat (4), the adjusting seat (4) is rotatably connected to the seat (1) so that the adjusting seat (4) can swing relative to the seat (1), the adjusting seat (4) and the seat (1) are provided with a locking structure (5) for locking the adjusting seat (4), and the cutting assembly (2) and the driving device (3) are connected to the adjusting seat (4).

7. The centrifugal pipe cutting structure for a pipe bending apparatus according to claim 6, characterized by: The locking structure (5) comprises an arc-shaped hole (11) arranged on the base (1) and coaxial with the rotating shaft of the adjusting seat (4), and a connecting hole (41) arranged on the adjusting seat (4) and corresponding to the arc-shaped hole (11), so that the mounting bolt can pass through the arc-shaped hole (11) and be connected with the connecting hole (41).

8. The centrifugal tube cutting structure for a tube bending apparatus according to claim 2, characterized by: The driving device (3) comprises a driving motor (31), the output shaft of the driving motor (31) is connected with a belt pulley (32), the belt pulley (32) is provided with a belt (33), and the belt (33) is provided on the driving cylinder seat (211).

9. The centrifugal pipe cutting structure for a pipe bending apparatus according to claim 8, characterized by: The cutting assembly (2) is provided with a plurality of cutting assemblies (2), and the belt (33) is sequentially provided on the driving cylinder seat (211) of each cutting assembly (2).

10. The centrifugal tube cutting structure for a tube bending apparatus according to claim 1, characterized by: The sliding piece (22) is provided with a connecting shaft (25), the connecting shaft (25) is provided with a bearing (26), and the cutting knife (23) is provided on the bearing (26).

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