Small elbow cutting and positioning device

Abstract

A small bent pipe cutting and positioning device comprises a bottom plate, a cutting device is arranged on the bottom plate and comprises a motor, the motor drives a cutter wheel to rotate, the cutting device is integrally hinged to the bottom plate, a handle is fixed to the cutting device, a cutter groove matched with the cutter wheel is formed in the bottom plate, a positioning device is detachably connected to the bottom plate, and the positioning device comprises a carrying table. One edge of the carrying table coincides with the edge of the inner side of the cutter groove, a positioning plate is fixed to the carrying table, and one edge of the positioning plate coincides with the edge of the inner side of the cutter groove. The positioning plate is provided with an arc-shaped edge matched with the arc-shaped steel pipe, and the carrying table is provided with an arc-shaped groove which takes the arc-shaped edge as the edge and is matched with the arc-shaped steel pipe. A positioning rod is arranged in the direction penetrating through the arc-shaped groove, the two ends of the positioning rod are fixed to the carrying table and located on the two sides of the arc-shaped groove, a positioning bolt is detachably connected to the position, above the arc-shaped groove, of the positioning rod, and the positioning bolt can penetrate through the positioning rod to abut against the arc-shaped steel pipe placed in the arc-shaped groove.

Description

Technical Field

[0001] The utility model belongs to the technical field of bend pipe cutting, and particularly relates to a small bend pipe cutting and positioning device. Background Art

[0002] Pipe bending is done with a complete set of bending equipment, which is divided into two processes: cold bending and hot pushing. Regardless of the type of machinery and equipment and pipelines, most of them use pipe bending, which is mainly used for oil, gas, liquid infusion, engineering bridge construction, etc.

[0003] Patent application number 202322908825.0 discloses a cutting device for elbow processing. When in use, the bent pipe is placed inside the positioning mold, and the compression mold is driven to move up and down by the cooperation of the cylinder b and the extension rod b. The compression mold is engaged with the positioning mold to fix the bent pipe, and the opening at one end of the bent pipe is supported by the support plate. The adjusting handwheel is turned to drive the screw to extend and retract on the outer wall of the positioning mold, and the position angle of the support plate supporting one end of the bent pipe is adjusted. The positioning seat and the gear are cooperated to slide on the upper surface of the slide rail to adjust the position angle of the cutting blade. The driving motor and the cutting blade are driven to rise and fall by the cooperation of the cylinder a and the extension rod a to adjust the height angle of the cutting. The driving motor is used to drive the cutting blade to rotate to cut the elbow.

[0004] The above patent requires the use of a cylinder to drive the compression mold and the positioning mold to engage to fix the bent pipe, and the use of the cylinder to drive the drive motor and the cutting knife blade to move up and down to adjust the height, and the device structure is complex.

[0005] Therefore, the technical problem to be solved by the present invention is that when cutting a bent pipe in the prior art, a cylinder is required to drive the mold to move, and the bent pipe is fixed by engaging two molds, and the device structure is complicated. Utility Model Content

[0006] In order to solve the technical problem that in the prior art, when cutting a bent pipe, a cylinder is needed to drive the mold to move, and the bent pipe is fixed by the engagement of two molds, and the device structure is complicated, the utility model provides a small bent pipe cutting and positioning device.

[0007] The specific plan is as follows:

[0008] A small curved pipe cutting and positioning device includes a base plate, a cutting device is provided on the base plate, the cutting device includes a motor, the motor drives the cutter wheel to rotate, the cutting device is hinged on the base plate as a whole, a handle is fixed on the cutting device, and a cutter groove is provided on the base plate to cooperate with the cutter wheel.

[0009] The bottom plate is detachably connected to a positioning device, and the positioning device includes a carrier, an edge of the carrier coincides with the edge of the inner side of the knife groove, and a positioning plate is fixed on the carrier, an edge of the positioning plate coincides with the edge of the inner side of the knife groove; the positioning plate is provided with an arc-shaped edge that fits the circular arc steel pipe, and a circular arc groove with the arc-shaped edge as the edge and fitting the circular arc steel pipe is provided on the carrier; a positioning rod is provided along the direction passing through the circular arc groove, and both ends of the positioning rod are fixed on the carrier and are located on both sides of the circular arc groove, and a positioning bolt is detachably connected to the positioning rod above the circular arc groove, and the positioning bolt can pass through the positioning rod to press against the circular arc steel pipe placed in the circular arc groove.

[0010] The positioning rod and the positioning bolt are threadedly matched.

[0011] The bottom plate is provided with a first long groove, the platform is provided with a second long groove, the length of the second long groove is smaller than the length of the first long groove, and the bolt passes through the second long groove and the first long groove in sequence to fix the platform to the bottom plate.

[0012] The arc-shaped edge of the positioning plate is marked with scales.

[0013] A fixing device is detachably connected to the bottom plate. The fixing device comprises an abutting plate, and the abutting plate is detachably connected to the bottom plate.

[0014] The abutment plate is an L-shaped plate, including a side panel and a bottom panel, and a reinforcing rib is fixed on one side of the side panel and the bottom panel. A long groove is opened on the bottom panel, and the bottom panel is fixed to the bottom plate through the long groove and the bolt.

[0015] The fixing device further comprises a locking component, which comprises a locking hole fixed on the base plate, the locking hole is threadably matched with the locking screw, and the head end of the locking screw can extend along the direction of the first long slot.

[0016] The locking hole is arched in the middle, and a portion is extended outward at both ends of the arch. The portions extending outward at both ends of the arch cooperate with bolts to fix the locking hole on the base plate.

[0017] A locking handle is fixed to the tail end of the locking screw.

[0018] The beneficial effects of the utility model are:

[0019] The utility model provides a small curved pipe cutting and positioning device, which positions a small arc-shaped steel pipe through the positioning device, clamps the arc-shaped steel pipe in the arc-shaped groove to achieve positioning, rotates the positioning bolt to make it move downward until it abuts the arc-shaped steel pipe to achieve fixation of the arc-shaped steel pipe, and a motor drives the cutter wheel to cut the arc-shaped steel pipe. The device has a simple structure and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a top view of the present utility model.

[0021] Figure 2 It is a structural diagram of the positioning device of the utility model.

[0022] Among them, the bottom plate 1, the blade wheel 11, the shell 12, the blade groove 13, the handle 14, the motor 15, the first long groove 16, the carrier 2, the second long groove 21, the positioning plate 22, the positioning rod 221, the positioning bolt 222, the arc-shaped groove 23, the arc-shaped edge 231, the abutment plate 31, the long groove 311, the locking handle 32, the locking hole 33, the locking handle 34, the arc-shaped steel pipe 4 DETAILED DESCRIPTION

[0023] The following is a clear and complete description of the technical solutions in the embodiments of the present invention, in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the implementation of the present invention, not all of it. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] like Figure 1 and Figure 2 As shown, the utility model provides a small curved pipe cutting and positioning device, including a base plate 1, a cutting device is provided on the base plate 1, the cutting device includes a motor 15, the motor 15 drives the cutter wheel 11 to rotate, the cutting device is hinged on the base plate 1 as a whole, a handle 14 is fixed on the cutting device, the handle 14 can be directly fixed on the motor 15 housing, and a knife groove 13 is provided on the base plate 1 for cooperating with the cutter wheel 11. The above is a common cutter wheel cutting mechanism in the prior art, and the transmission relationship between the motor 15 and the cutter wheel 11 is no longer described in detail. This application does not involve improvements to the cutter wheel cutting mechanism itself, and other cutting mechanisms in the prior art can also be used.

[0025] The base plate 1 is detachably connected to a positioning device, which includes a carrier 2, one edge of the carrier 2 coincides with the edge on the inner side of the knife groove 13, and a positioning plate 22 is fixed on the carrier 2, one edge of the positioning plate 22 coincides with the edge on the inner side of the knife groove 13; the positioning plate 22 is provided with an arc-shaped edge 231 that fits the circular arc steel pipe 4, and the carrier 2 is provided with an arc-shaped groove 23 with the arc-shaped edge 231 as the edge and fitting the circular arc steel pipe 4; a positioning rod 221 is provided along the direction passing through the circular arc groove 23, both ends of the positioning rod 221 are fixed on the carrier 2 and are located on both sides of the circular arc groove 23, and a positioning bolt 222 is detachably connected to the positioning rod 221 above the circular arc groove 23, and the positioning bolt 222 can pass through the positioning rod 221 to press against the circular arc steel pipe 4 placed in the circular arc groove 23.

[0026] The utility model provides a small curved pipe cutting and positioning device, which positions a small arc-shaped steel pipe through the positioning device, clamps the arc-shaped steel pipe in the arc-shaped groove to achieve positioning, rotates the positioning bolt to make it move downward until it abuts the arc-shaped steel pipe to achieve fixation of the arc-shaped steel pipe, and a motor drives the cutter wheel to cut the arc-shaped steel pipe. The device has a simple structure and is easy to use.

[0027] like Figure 2 As shown, the positioning rod 221 and the positioning bolt 222 are threadedly matched, so that the positioning bolt 222 can move in the direction of passing through the positioning rod 221 until the head end of the positioning bolt 222 abuts the arc-shaped steel pipe 4 to fix the arc-shaped steel pipe 4 and prevent the arc-shaped steel pipe 4 from moving during the cutting process.

[0028] Further, such as Figure 1 and Figure 2 As shown, a first long groove 16 is provided on the base plate 1, and a second long groove 21 is provided on the carrier 2. The length of the second long groove 21 is smaller than the length of the first long groove 16. The bolts pass through the second long groove 21 and the first long groove 16 in sequence to fix the carrier 2 to the base plate 1; by setting the first long groove 16 and the second long groove 21, the position where the carrier 2 is fixed to the base plate 1 can be changed.

[0029] In the present invention, after the second long groove 21 on the carrier 2 overlaps with the first long groove 16 on the bottom plate 1 , an edge of the carrier 2 coincides with an inner edge of the knife groove 13 .

[0030] Furthermore, the arc-shaped edge 231 of the positioning plate 22 is marked with scales to facilitate measuring the size of the arc-shaped steel pipe 4, so as to achieve precise cutting of the arc-shaped steel pipe 4 of a certain size, and can also achieve cutting of the arc-shaped steel pipe 4 of different sizes.

[0031] Further, such as Figure 1 and Figure 2As shown, a fixing device is detachably connected to the base plate 1, and the fixing device includes an abutment plate 31, and the abutment plate 31 is detachably connected to the base plate 1; the abutment plate 31 is used to abut one side of the carrier 2 to prevent the carrier 2 from moving due to vibration during the cutting process, so as to ensure the accuracy of the cutting.

[0032] The abutting plate 31 is provided with a long slot 311 , and the abutting plate 31 is fixed to the base plate 1 through the long slot 311 in cooperation with the bolts.

[0033] The abutment plate 31 is an L-shaped plate, including a side panel and a bottom panel, and a reinforcing rib is fixed on one side of the side panel and the bottom panel to enhance the strength of the abutment plate 31. A long groove 311 is opened on the bottom panel, and the long groove 311 cooperates with the bolt to fix the bottom panel to the bottom plate 1.

[0034] The abutment plate 31 can move along the width direction of the base plate 1 . By fixing bolts at different positions of the long slot 311 , the abutment plate 31 can abut against platforms 2 of different sizes to adapt to positioning devices of different sizes.

[0035] Further, such as Figure 1 and Figure 2 As shown, the fixing device also includes a locking component, and the locking component includes a locking hole 33 fixed on the base plate 1, the locking hole 33 is threadedly matched with the locking screw 32, and the head end of the locking screw 32 can extend along the direction of the first long groove 16; the head end of the locking screw 32 is used to abut the other side of the carrier 2, wherein the other side of the carrier 2 is opposite to the one side of the above-mentioned carrier 2, that is, the abutment plate 31 and the head end of the locking screw 32 are used to clamp the carrier 2 to achieve the fixation of the carrier 2, prevent the carrier 2 from moving due to vibration during the cutting process, and ensure the accuracy of the cutting.

[0036] The locking hole 33 is arched in the middle, and a portion of the arch is extended outward at both ends. The portions of the arch that extend outward at both ends cooperate with the bolts to fix the locking hole 33 on the base plate 1.

[0037] A locking handle 34 is fixed to the tail end of the locking screw 32. The locking handle 34 preferably extends laterally to both sides from the tail end of the locking screw 32 to facilitate the user to apply force. The locking screw 32 and the locking handle 34 are T-shaped. The locking handle 34 is used to control the posture of the locking screw 32, and the head end of the locking screw 32 is passed through the arch. Through threaded cooperation, the length of the head end of the locking screw 32 passing through the arch can be controlled.

[0038] like Figure 1 and Figure 2 As shown, depressions are provided at the four corners of the base plate 1 , and the base plate 1 is fixed to the ground by cooperating with bolts through the depressions.

[0039] The specific working process of this utility model is:

[0040] The abutment plate 31 is placed on the base plate 1, and the bolts pass through the long groove 311 on the bottom panel to fix the abutment plate 31 to the base plate 1; the platform 2 abuts the abutment plate 31, and the second long groove 21 on the platform 2 is aligned with the first long groove 16 on the base plate 1, and the bolts pass through the second long groove 21 and the first long groove 16 in turn to fix the platform 2 to the base plate 1; hold the locking handle 34 to control the locking screw 32 to pass through the locking hole 33, and rotate the locking handle 34 so that the head end of the locking screw 32 extends toward the direction close to the platform 2 until the head end of the locking screw 32 abuts against the platform 2 and stops rotating and extending to fix the platform 2.

[0041] Pass the arc-shaped steel pipe 4 from under the positioning rod 221 and embed it into the arc-shaped groove 23 on the carrier 2, so that one end of the arc-shaped steel pipe 4 is flush with the scale on the arc-shaped edge 231 of the positioning plate 22, adjust one end of the arc-shaped steel pipe 4 to the required scale, rotate the positioning bolt 222, so that the positioning bolt 222 moves downward until it stops rotating when it abuts against the arc-shaped steel pipe 4, so as to fix the arc-shaped steel pipe 4.

[0042] Turn on the motor 15, and the motor 15 drives the cutter wheel 11 to rotate. The staff holds the handle 14 with his hand and rotates the handle 14 in the direction close to the knife groove 13. The movement of the handle 14 drives the shell 12 to move, and then drives the cutter wheel 11 to move in the direction close to the knife groove 13. In this process, the cutter wheel 11 cuts the arc-shaped steel pipe 4 under the drive of the motor 15. After the cutting is completed, the handle 14 is rotated in the direction away from the knife groove 13. The movement of the handle 14 drives the shell 12 to move, and then drives the cutter wheel 11 to move in the direction away from the knife groove 13 until it returns to its original position. The cutting process of a circular arc-shaped steel pipe 4 is completed, and the next cutting work continues.

[0043] The technical means disclosed in the present invention are not limited to those disclosed in the above-mentioned embodiments, but also include technical solutions composed of any combination of the above-mentioned technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and such improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A small-sized curved pipe cutting and positioning device, comprising a base plate (1), a cutting device provided on the base plate (1), the cutting device comprising a motor (15), the motor (15) driving a cutter wheel (11) to rotate, the cutting device being hinged to the base plate (1) as a whole, a handle (14) being fixed to the cutting device, a cutter groove (13) cooperating with the cutter wheel (11) being provided on the base plate (1), and characterized in that: A positioning device is detachably connected to the bottom plate (1), and the positioning device includes a carrier (2), an edge of the carrier (2) coincides with the edge of the inner side of the knife groove (13), and a positioning plate (22) is fixed on the carrier (2), and an edge of the positioning plate (22) coincides with the edge of the inner side of the knife groove (13); The positioning plate (22) is provided with an arc-shaped edge (231) that fits with the arc-shaped steel pipe (4), and the carrier (2) is provided with an arc-shaped groove (23) with the arc-shaped edge (231) as an edge and fitting with the arc-shaped steel pipe (4); A positioning rod (221) is provided along a direction passing through the arc-shaped groove (23), both ends of the positioning rod (221) are fixed on the carrier (2) and located on both sides of the arc-shaped groove (23), and a positioning bolt (222) is detachably connected to the positioning rod (221) above the arc-shaped groove (23), and the positioning bolt (222) can pass through the positioning rod (221) and abut against the arc-shaped steel pipe (4) placed in the arc-shaped groove (23).

2. The small-sized curved pipe cutting and positioning device according to claim 1, characterized in that: The positioning rod (221) and the positioning bolt (222) are threadedly matched.

3. The small-sized curved pipe cutting and positioning device according to claim 1, characterized in that: The base plate (1) is provided with a first long slot (16), and the carrier (2) is provided with a second long slot (21). The length of the second long slot (21) is shorter than the length of the first long slot (16). Bolts pass through the second long slot (21) and the first long slot (16) in sequence to fix the carrier (2) to the base plate (1).

4. The small-sized curved pipe cutting and positioning device according to claim 1, characterized in that: The arcuate edge (231) of the positioning plate (22) is marked with scale.

5. The small-sized curved pipe cutting and positioning device according to claim 1, characterized in that: A fixing device is detachably connected to the bottom plate (1), wherein the fixing device comprises an abutment plate (31), and the abutment plate (31) is detachably connected to the bottom plate (1).

6. The small-sized curved pipe cutting and positioning device according to claim 5, characterized in that: The abutment plate (31) is an L-shaped plate, comprising a side panel and a bottom panel, wherein a reinforcing rib is fixed to one side of the side panel and the bottom panel, and a long slot (311) is provided on the bottom panel, and the bottom panel is fixed to the bottom plate (1) by engaging with a bolt through the long slot (311).

7. The small-sized curved pipe cutting and positioning device according to claim 5, characterized in that: The fixing device further comprises a locking component, the locking component comprising a locking hole (33) fixed on the base plate (1), the locking hole (33) being threadedly engaged with the locking screw (32), and the head end of the locking screw (32) being able to extend along the direction of the first long slot (16).

8. The small-sized curved pipe cutting and positioning device according to claim 7, characterized in that: The locking hole (33) is arched in the middle, and a portion is extended outward at each end of the arch. The portions extending outward at each end of the arch cooperate with the bolts to fix the locking hole (33) on the bottom plate (1).

9. The small-sized curved pipe cutting and positioning device according to claim 8, characterized in that: A locking handle (34) is fixed to the tail end of the locking screw (32).

Images