Pipe fitting cutting device

Abstract

The utility model discloses a pipe fitting cutting device which comprises a cutter handle assembly, a forming cutter grain assembly and a pipe fitting fixing assembly, the cutter handle assembly comprises a cutter handle and three first bolts, three grooves are formed in the bottom of the cutter handle in the circumferential direction, and the forming cutter grain assembly comprises an outer chamfering cutter grain, an inner chamfering cutter grain, an end plane cutter grain and three moving blocks. The three grooves are formed in the cutter handle, the three moving blocks are embedded in the three grooves respectively, threaded holes penetrating transversely are formed in the three moving blocks, the first bolts transversely penetrate into the grooves and the threaded holes from the outer side face of the cutter handle, the moving blocks can move along the grooves by rotating the first bolts, and the outer chamfering cutter grains, the inner chamfering cutter grains and the end plane cutter grains are arranged at the lower ends of the moving blocks in a one-to-one mode. The pipe cutting machine can be suitable for cutting pipe fittings with different sizes, integrates the functions of surface cutting and inner and outer edge deburring, and improves the production efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe fitting machining technical field, especially a pipe fitting cutting device. BACKGROUND

[0002] The port face of straight pipe will appear uneven face after being processed into elbow pipe by equipment, and the face must be cut and flattened to meet the assembly requirement of the next process. SUMMARY

[0003] The utility model discloses at least one of the above technical problems in the related art is solved to some extent.

[0004] To achieve the above object, the technical scheme of the utility model is as follows:

[0005] According to the pipe fitting cutting device provided by the utility model, the pipe fitting is clamped and fixed in the pipe fitting fixing assembly, the first bolt is used to adjust the distance of the cutting tool, the outer chamfer cutter, the inner chamfer cutter and the end plane cutter are arranged on the lower end of the moving block, and the end face of the pipe fitting is cut and the inner and outer faces are chamfered and deburred.

[0006] According to the pipe fitting cutting device provided by the utility model, at least the following beneficial effects are achieved:

[0007] 1、the cutter handle of the utility model is installed in the drill press of common air pressure or hydraulic pressure or electric drive, the pipe fitting is placed into the pipe fitting fixing assembly, and the pipe fitting can be clamped and positioned, the distance of the cutting tool is adjusted through the first bolt according to the pipe diameter size after the pipe fitting is fixed, the end face of the pipe fitting is cut and the inner and outer faces are chamfered and deburred when the drill press is pressed down.

[0008] 2. The utility model discloses a portable modular structure assembly, and the forming cutter grain is installed on the moving block to meet the processing requirement of different pipe fittings through the movement of the block, reduces the emergence of special cutter special, and can reduce the 5S management burden of workshop, and the device has no requirement to external driving equipment.

[0009] According to some embodiments of the utility model, the bottom of the tool holder is also provided with an adjusting groove, the adjusting groove is located at one end of the groove close to the outer side of the tool holder, and the adjusting groove is in communication with the groove, a first nut is sleeved on the first bolt, and the first nut is located in the adjusting groove.

[0010] According to some embodiments of the utility model, a through hole is formed in the top of the adjusting groove and penetrates the top surface of the tool holder.

[0011] According to some embodiments of the utility model, the outer chamfer cutter grain, the inner chamfer cutter grain and the end plane cutter grain are connected with the corresponding moving blocks through the second bolts respectively.

[0012] According to some embodiments of the utility model, a cavity is formed in each moving block and matched with the corresponding cutter grain.

[0013] According to some embodiments of the utility model, the tool holder assembly further comprises three third bolts, the third bolts are transversely inserted into the groove from the outer side of the tool holder and abut against the moving blocks, and the third bolts are perpendicular to the first bolts.

[0014] According to some embodiments of the utility model, the pipe fitting fixing assembly comprises a left clamp mold and a right clamp mold, cavities for clamping pipe fittings are formed in the left clamp mold and the right clamp mold, the shape of the cavities is matched with the shape of the pipe fittings, the left clamp mold or the right clamp mold is connected with an external driving device, and the external driving device can push the left clamp mold and the right clamp mold to abut against each other to clamp the pipe fittings.

[0015] According to some embodiments of the utility model, a guide column is arranged on the left clamp mold, an empty hole is formed in the right clamp mold, and the guide column can be inserted into the empty hole.

[0016] According to some embodiments of the utility model, the pipe fitting fixing assembly further comprises a backstop strip, a baffle and a screw rod, the backstop strip is fixedly arranged on the front side of the left clamp mold or the right clamp mold, the backstop strip is arranged in the front-rear direction, the screw rod is installed on the upper end surface of the front end of the backstop strip, and the baffle is sleeved on the screw rod through a second nut.

[0017] According to some embodiments of the utility model, the groove wall of the one end of the recess far away from the outer side surface of the tool shank is a circular arc surface, the one end of the moving block far away from the outer side surface of the tool shank is a circular arc outer wall, and the circular arc outer wall is matched with the circular arc surface.

[0018] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0020] Figure 1 It is the whole structure schematic diagram of pipe fitting cutting device of the utility model;

[0021] Figure 2 It is the explosion drawing of pipe fitting cutting device of the utility model;

[0022] Figure 3 It is the assembly front view of tool shank assembly and forming cutter particle assembly of the utility model;

[0023] Figure 4 It is the assembly bottom view of tool shank assembly and forming cutter particle assembly of the utility model.

[0024] Reference signs: tool shank assembly 100, tool shank 110, recess 111, adjusting groove 112, circular arc surface 113, first bolt 120, first nut 121, through hole 130, third bolt 140, forming cutter particle assembly 200, outer chamfer cutter particle 210, inner chamfer cutter particle 220, end plane cutter particle 230, moving block 240, threaded hole 241, cavity 242, second bolt 250, pipe fitting fixing assembly 300, left clamp mould 310, guide pillar 311, right clamp mould 320, clearance hole 321, open cavity 330, abutment strip 340, baffle 350, screw rod 360, second nut 370, pipe fitting 400. DETAILED DESCRIPTION

[0025] The embodiments of the utility model will be described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as the limitation of the utility model.

[0026] In the description of the utility model, need understanding is, the orientation or position relation that the terms "transverse", "upper", "lower", "front", "rear", "left", "right" and the like indicate is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0027] Referring to Figures 1-4 A pipe cutting device, including handle assembly 100, forming cutter particle assembly 200 and pipe fixing assembly 300, pipe fixing assembly 300 is used to clamping and fixing pipe 400, handle assembly 100 includes handle 110 and three first bolts 120, the bottom of handle 110 is provided with three recesses 111 along the circumference, forming cutter particle assembly 200 includes outer chamfer cutter particle 210, inner chamfer cutter particle 220 and end plane cutter particle 230 and three moving blocks 240, three moving blocks 240 are embedded in three recesses 111 respectively, and the transverse threaded hole 241 that is set up is passed through on three moving blocks 240, and the first bolt 120 is transversely inserted into recess 111 and threaded hole 241 from the outer side of handle 110, and rotating first bolt 120 can make moving block 240 move along recess 111, and outer chamfer cutter particle 210, inner chamfer cutter particle 220 and end plane cutter particle 230 are set up one-to-one at the lower end of moving block 240.

[0028] In some embodiments of the utility model, the bottom of handle 110 is also provided with adjusting groove 112, adjusting groove 112 is located at the end of recess 111 close to the outer side of handle 110, and adjusting groove 112 is communicated with recess 111, and the first nut 121 is sleeved on the first bolt 120, and the first nut 121 is located in adjusting groove 112, and the external tool can be inserted into the first nut 121 from the lower portion of adjusting groove 112 and rotate the first nut 121.When the cutter particle position needs to be adjusted, the first nut 121 is loosened by using a tool, and then the first bolt 120 is rotated, and the moving block 240 will be moved to the appropriate position along the recess 111, and then the first nut 121 is tightened, and the cutter is completed.

[0029] In some embodiments of the utility model, the top of adjusting groove 112 is provided with through hole 130 that penetrates the top surface of handle 110.It is possible that the first nut 121 is not tightened when the first nut 121 is screwed from the bottom of handle 110 by using a tool, at this time, a column can be used to knock the first nut 121 from the through hole 130 at the top, so that it is completely locked.

[0030] In some embodiments of the utility model, outer chamfer cutter particle 210, inner chamfer cutter particle 220 and end plane cutter particle 230 are connected with corresponding moving block 240 through second bolt 250 respectively. The lower end of moving block 240 is provided with screw hole for installing cutter particle, and the detachable installation of cutter particle and moving block 240 facilitates the replacement of cutter particle and reduces the situation of special cutter for special purpose.

[0031] In some embodiments of the utility model, each moving block 240 is provided with cavity 242 matched with corresponding cutter particle. The installation of cutter particle in cavity 242 makes the overall structure more compact, and the cutter particle is more stable.

[0032] In some embodiments of the utility model, cutter handle assembly 100 further comprises three third bolts 140, which are transversely inserted into groove 111 from the outer side of cutter handle 110 and abut against moving block 240, and the third bolt 140 is perpendicular to first bolt 120. There is a gap between the side wall of moving block 240 and the side wall of groove 111, and the cutter handle 110 will slightly shake when rotating, and the third bolt 140 can be used to stop the side surface of moving block 240 to solve the shaking problem.

[0033] In some embodiments of the utility model, pipe fixing assembly 300 comprises left clamp die 310 and right clamp die 320, and the left clamp die 310 and the right clamp die 320 are provided with open cavity 330 for clamping pipe 400, the shape of open cavity 330 is matched with the shape of pipe 400, the left clamp die 310 or the right clamp die 320 is connected with external driving equipment, and the external driving equipment can push the left clamp die 310 and the right clamp die 320 to abut against each other to clamp pipe 400. The left clamp die 310 and the right clamp die 320 are located below the forming cutter particle assembly 200, and the left clamp die 310 and the right clamp die 320 fix pipe 400 in horizontal direction, and the external driving equipment is a cylinder, which controls the movement of one clamp die to make the two clamp dies close and clamp tightly.

[0034] In some embodiments of the utility model, the left clamp die 310 is provided with guide column 311, and the right clamp die 320 is provided with avoidance hole 321, and the guide column 311 can be inserted into the avoidance hole 321. The guide column 311 and the avoidance hole 321 form a guide structure to avoid misplacement of the two clamp dies when opening and closing.

[0035] In some embodiments of the utility model, the pipe fixing assembly 300 further includes a backrest strip 340, a baffle 350 and a screw rod 360, the backrest strip 340 is fixedly arranged on the front side of the left clamp die 310 or the right clamp die 320, the backrest strip 340 is arranged along the front-rear direction, the screw rod 360 is installed on the upper end face of the front end of the backrest strip 340, and the baffle 350 is sleeved on the screw rod 360 through a second nut 370. The structure of the backrest strip 340, the baffle 350 and the screw rod 360 is suitable for a bent pipe, and when working, the rear half of the bent pipe is placed in the cavity 330, the port of the rear end of the bent pipe faces the cutter particles, the front half of the bent pipe abuts against the backrest strip 340, and the port of the front end of the bent pipe abuts against the baffle 350, so that the pipe 400 can be constrained from being offset upward, and the machining precision is ensured.

[0036] In some embodiments of the utility model, the groove wall of one end of the groove 111 away from the outer side surface of the cutter handle 110 is a circular arc surface 113, one end of the moving block 240 away from the outer side surface of the cutter handle 110 is a circular arc outer wall, and the circular arc outer wall is matched with the circular arc surface 113. Compared with a straight surface, the circular arc surface 113 is easier to process, and the circular arc surface 113 is better in stress bearing of the device.

[0037] Working principle: after the device is assembled and installed, the cutter handle 110 is installed in a common drill press of the air pressure type, the hydraulic pressure type or the electric drive type, the pipe 400 is placed in the pipe fixing assembly 300, and then the pipe 400 can be clamped and positioned in the left-right and up-down directions, the end to be machined of the pipe 400 faces upward, the pipe 400 is fixed, the tool setting distance is adjusted according to the pipe diameter size through the first bolt 120, at this time, the pipe 400 has entered the machining state, when the drill press is pressed downward and rotated, the end surface of the pipe 400 is cut and the inner and outer surfaces are chamfered and deburred, at this time, the pipe 400 has completed machining, the drill press is lifted, the clamp die is opened, the cutter handle 110 is lifted, and then the pipe 400 can be taken out and prepared for next product machining.

[0038] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A pipe cutting device, characterized in that, The assembly includes a tool holder assembly (100), a shaped cutting insert assembly (200), and a pipe fitting fixing assembly (300). The pipe fitting fixing assembly (300) is used to clamp and fix a pipe fitting (400). The tool holder assembly (100) includes a tool holder (110) and three first bolts (120). The bottom of the tool holder (110) has three circumferentially oriented grooves (111). The shaped cutting insert assembly (200) includes an outer chamfering cutting insert (210), an inner chamfering cutting insert (220), and an end-face cutting insert (230), and three moving blocks (240). 240) are respectively embedded in three grooves (111). Each of the three movable blocks (240) has a transverse through threaded hole (241). The first bolt (120) is inserted transversely into the groove (111) and the threaded hole (241) from the outer side of the handle (110). Rotating the first bolt (120) can make the movable block (240) move along the groove (111). The outer chamfering blade (210), the inner chamfering blade (220) and the end face blade (230) are arranged one-to-one at the lower end of the movable block (240).

2. The pipe cutting device according to claim 1, characterized in that, The bottom of the handle (110) is also provided with an adjustment groove (112). The adjustment groove (112) is located at one end of the groove (111) near the outer side of the handle (110), and the adjustment groove (112) communicates with the groove (111). A first nut (121) is fitted on the first bolt (120). The first nut (121) is located in the adjustment groove (112). An external tool can be inserted from below the adjustment groove (112) to rotate the first nut (121).

3. The pipe cutting device according to claim 2, characterized in that, The top of the adjustment groove (112) has a through hole (130) that penetrates the top surface of the knife handle (110).

4. The pipe cutting device according to claim 1, characterized in that, The outer chamfering tool (210), the inner chamfering tool (220), and the end face tool (230) are respectively connected to the corresponding moving block (240) by the second bolt (250).

5. The pipe cutting device according to claim 4, characterized in that, Each moving block (240) is provided with a cavity (242) that is adapted to the corresponding cutting tool.

6. The pipe cutting device according to claim 1, characterized in that, The handle assembly (100) further includes three third bolts (140), which are inserted laterally into the groove (111) from the outer side of the handle (110) and abut against the moving block (240). The third bolts (140) are perpendicular to the first bolts (120).

7. The pipe cutting device according to claim 1, characterized in that, The pipe fitting fixing assembly (300) includes a left clamping mold (310) and a right clamping mold (320). Both the left clamping mold (310) and the right clamping mold (320) have cavities (330) for clamping the pipe fitting (400). The shape of the cavity (330) is adapted to the shape of the pipe fitting (400). The left clamping mold (310) or the right clamping mold (320) is connected to an external driving device. The external driving device can push the left clamping mold (310) and the right clamping mold (320) to abut against each other to clamp the pipe fitting (400).

8. The pipe cutting device according to claim 7, characterized in that, The left clamping mold (310) is provided with a guide post (311), and the right clamping mold (320) is provided with a clearance hole (321). The guide post (311) can be inserted into the clearance hole (321).

9. The pipe cutting device according to claim 7, characterized in that, The pipe fitting fixing assembly (300) also includes a backing strip (340), a baffle (350), and a screw (360). The backing strip (340) is fixed to the front side of the left clamping mold (310) or the right clamping mold (320). The backing strip (340) is arranged in the front-rear direction. The screw (360) is installed on the upper end face of the front end of the backing strip (340). The baffle (350) is sleeved on the screw (360) by a second nut (370).

10. The pipe cutting device according to claim 1, characterized in that, The groove wall at the end of the groove (111) away from the outer side of the handle (110) is an arc surface (113), and the end of the moving block (240) away from the outer side of the handle (110) is an arc outer wall, which is adapted to the arc surface (113).

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