CN219337120U - Flat-nose machine - Google Patents

Abstract

The utility model discloses a flattening machine, which comprises a frame, wherein a clamping device for clamping a pipe fitting is arranged on the frame, the clamping device comprises two guide wheels, a first cylinder and a pressing plate, the two guide wheels are arranged on the frame, the axes of the two guide wheels are collinear, the axes of the guide wheels are horizontally arranged, the guide wheels are in a round table shape, the diameter of one end, close to each other, of each guide wheel is smaller than the diameter of one end, far away from each other, of each guide wheel, the first cylinder is arranged on the frame and is positioned right above a pair of guide wheels, a piston rod of the first cylinder stretches and contracts along the vertical direction, the pressing plate is arranged at the lower end of the piston rod of the first cylinder, and a polishing device for polishing the end face of the pipe fitting is arranged on the frame. According to the utility model, the pipe fitting is tightly pressed on the guide wheels through the pressing plate, and the gravity center of the pipe fitting is always positioned at the center of the two guide wheels under the action of gravity, so that the possibility of pipe fitting displacement in work is reduced, and the running stability of the flattening machine is enhanced.

Description

Flat-nose machine

Technical Field

The utility model relates to the field of mechanical equipment, in particular to a flattening machine.

Background

In the end face processing of pipe fittings, the end face flatness is one of the production links of the flat processing of pipe fittings, and the end face flat processing and manufacturing of the coiled pipe fittings or the cold-drawn seamless pipe fittings take a quite important role. The flattening machine is equipment for polishing the end face of the pipe fitting to flatten the end face.

The Chinese patent with the authorized bulletin number of CN216177298U discloses a full-automatic flat-nose machine, which comprises a workbench, a bracket, a transmission mechanism, a fixing component and a cutting component, wherein the transmission mechanism is arranged on the left side of an inner cavity of the bracket; the telescopic spring of the compensation component expands in the device, so that the mounting sleeve can move left when the cutter moves away from the area with larger amplitude of the burr bulge at the right end of the pipe fitting, the cutter is attached to the right end of the pipe fitting, and the burr at the end of the pipe fitting can be fully processed.

As for the full-automatic mouth flattening machine, the pressing block is driven by the electric push rod to press the pipe fitting, and the pipe fitting is likely to displace in the processing process, so that the quality of a product is unstable.

Disclosure of Invention

In order to reduce the possibility of pipe displacement in work and enhance the running stability of the flattening machine, the utility model provides the flattening machine.

The utility model provides a flat nose machine which adopts the following technical scheme:

the utility model provides a flat-nose machine, includes the frame, be provided with the clamping device who is used for pressing from both sides tight pipe fitting in the frame, clamping device includes two leading wheels, first cylinder and clamp plate, two the leading wheels all set up in the frame, two leading wheel axis collineation, the axis level of leading wheel sets up, the leading wheel is round platform form, two the diameter of the one end that the leading wheel is close to each other is less than the diameter of the one end that two leading wheels kept away from each other, first cylinder sets up in the frame and is located directly over a pair of leading wheels, the piston rod of first cylinder stretches out and draws back along vertical direction, the clamp plate sets up in the lower extreme of first cylinder piston rod, be provided with the grinding device who is used for polishing pipe fitting terminal surface in the frame.

Through adopting above-mentioned technical scheme, after the pipe fitting that the staff will need polish is placed on the leading wheel, start first cylinder, the flexible clamp plate that drives of first cylinder piston rod moves down for the clamp plate is contradicted on the lateral wall of pipe fitting, grinding device in the frame then polishes fixed pipe fitting, in the work, through setting the leading wheel into round platform form, and let the diameter of the one end that two leading wheels are close to each other be less than the diameter of the one end that two leading wheels kept away from each other, make the pipe fitting of placing be located two leading wheel central positions all the time under the effect of self gravity, reduce the possibility of pipe fitting displacement in the work, the stability of reinforcing flathead machine operation.

Optionally, the polishing device comprises a first motor and a polishing disc, the first motor is arranged on the frame, an output shaft of the first motor is horizontally arranged, and the polishing disc is coaxially arranged on the output shaft of the first motor; when polishing, the polishing disc is opposite to the pipe fitting.

Through adopting above-mentioned technical scheme, after the pipe fitting is placed, start first motor, the rotation of first motor drives the dish of polishing and rotates to realize polishing the dish and to the polishing of pipe fitting terminal surface, simple structure, convenient operation.

Optionally, the first motor slides along vertical direction and connects in the frame, be provided with the lifting unit who is used for driving first motor and goes up and down in the frame.

Through adopting above-mentioned technical scheme, when the diameter size of pipe fitting changes, the first motor rises or descends along vertical direction under the effect of lifting unit, and the lift of first motor drives the mill and goes up and down for mill and pipe fitting are in same axis position, reduce the mill and do not cover the pipe fitting terminal surface completely and cause the inhomogeneous possibility of polishing.

Optionally, the lifting assembly includes second motor, second lead screw, installation piece and connecting block, the installation piece sets up in the frame, the installation groove has been seted up on the lateral wall that the installation piece is close to clamping device, the second lead screw rotates and connects on the inside wall of installation groove and vertical setting, the second motor sets up on the installation piece and the output shaft is connected with the second lead screw, connecting block threaded connection is on the second lead screw and slide and be connected in the installation groove, first motor sets up on the connecting block.

Through adopting above-mentioned technical scheme, the rotation of second motor drives the second lead screw and rotates, and the rotation of second lead screw drives the axis direction motion of connecting block along the second lead screw, and the motion of connecting block drives first motor and goes up and down, and the lift of first motor drives the mill and goes up and down, and when mill and pipe fitting are in the same axis position, the second motor can stop rotating, rational in infrastructure, convenient operation.

Optionally, slide in the frame and be connected with the base, the direction of sliding of base is perpendicular to the axis direction of leading wheel, clamping device sets up on the base, be provided with the drive assembly who is used for driving the base and removes in the frame.

Through adopting above-mentioned technical scheme, the base slides along the length direction that is on a parallel with the pipe fitting under drive assembly's effect, and the motion of base drives clamping device motion, and clamping device's motion drives the pipe fitting motion for the terminal surface of pipe fitting is more convenient contradicts on polishing the dish, reduces the in-process manual regulation pipe fitting position of polishing and causes the possibility that wastes time and energy.

Optionally, the driving assembly includes a second cylinder, the second cylinder is disposed on the frame, and the base is disposed on a piston rod of the second cylinder.

Through adopting above-mentioned technical scheme, the flexible base motion that drives of second cylinder piston rod to drive the pipe fitting motion on the base, when the terminal surface of pipe fitting contradicts in the terminal surface of polishing dish, the second cylinder stops the motion, polishes the dish and can polish to the pipe fitting, simple structure, convenient operation.

Optionally, the base is last to slide and is connected with the limiting plate, the slip direction of limiting plate is parallel with the axis direction of leading wheel, the limiting plate is located between polishing dish and the clamping device, the limiting plate is used for stopping the pipe fitting.

Through adopting above-mentioned technical scheme, operating personnel need place the pipe fitting before the leading wheel, slide the limiting plate for the terminal surface that the pipe fitting is close to the mill can conflict on the lateral wall that the mill was kept away from to the limiting plate, in the work, through setting up the limiting plate, make things convenient for operating personnel to place the pipe fitting on the polishing position of settlement more.

Optionally, the clamping devices on the base are two groups, and the two groups of clamping devices are distributed along the sliding direction of the base.

Through adopting above-mentioned technical scheme, in operation, two sets of clamping device on the base press from both sides tightly the pipe fitting simultaneously for the pipe fitting is located the leading wheel more steadily, further reduces the possibility that the pipe fitting takes place the displacement in the process of polishing.

Optionally, keep away from grinding device's clamping device slides along the slip direction of base and connects on the base, be provided with the slip subassembly that is used for driving the clamping device who keeps away from grinding device to slide on the base.

Through adopting above-mentioned technical scheme, keep away from clamping device of polishing dish and slide along the length direction of pipe fitting under the drive of slip subassembly, through slide one of them a set of clamping device and set up on the base for the distance between two sets of clamping device can be adjusted, makes the device be applicable to the pipe fitting of different length, improves the commonality of device.

Optionally, the sliding component comprises a third cylinder, the third cylinder is arranged on the base, and a clamping device far away from the polishing device is arranged on a piston rod of the third cylinder.

Through adopting above-mentioned technical scheme, the flexible third support motion that drives of third cylinder piston rod, the clamping device motion on the third support is driven in the motion of third support to make the distance between two sets of clamping device change, when the pipe fitting can be stably placed on the leading wheel, the third cylinder stops the motion, easy operation.

In summary, the present application at least includes at least one of the following beneficial technical effects:

1. in operation, the pipe fitting is tightly pressed on the guide wheels by the pressing plate, and the gravity center of the pipe fitting is always positioned at the center of the two guide wheels under the action of gravity, so that the possibility of pipe fitting displacement in operation is reduced, and the running stability of the flattening machine is enhanced.

2. The polishing disc can be adjusted to the position with the same axis of the pipe fitting, so that the possibility of uneven polishing caused by incomplete coverage of the end face of the pipe fitting by the polishing disc is reduced.

3. The two groups of clamping devices clamp the pipe fitting simultaneously, so that the pipe fitting is positioned on the guide wheel more stably, and meanwhile, the distance between the two groups of clamping devices can be adjusted, so that the device is applicable to pipe fittings with different lengths, and the universality of the device is improved.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the application.

Fig. 2 is a schematic view of the structure of the clamping device and the base in fig. 1.

Fig. 3 is a schematic view of the polishing apparatus and lifting assembly of fig. 1.

Reference numerals illustrate:

1. a frame; 2. a clamping device; 21. a guide wheel; 22. a first cylinder; 23. a pressing plate; 3. a polishing device; 31. a first motor; 32. polishing the grinding disc; 4. a lifting assembly; 41. a second motor; 42. a second screw rod; 43. a mounting block; 44. a connecting block; 45. a mounting groove; 5. a base; 51. a slip groove; 52. a limiting plate; 53. a dovetail groove; 54. dovetail blocks; 55. a support frame; 56. a moving groove; 57. a support rod; 61. a second cylinder; 71. And a third cylinder.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

The embodiment of the application discloses flat-nose machine, refer to fig. 1, including frame 1, set up the groove 51 that slides on the upper surface of frame 1, the length direction of the groove 51 that slides is on a parallel with the length direction of pipe fitting, the intraductal sliding connection of groove 51 that slides has base 5, base 5 level sets up and length direction is on a parallel with the length direction of groove 51 that slides, be provided with the drive assembly who is used for driving base 5 to slide on frame 1, the length direction of groove 51 that slides is on a parallel with to the base 5, drive assembly includes second cylinder 61, second cylinder 61 fixed connection is on the interior diapire of groove 51 that slides, the telescopic direction of the piston rod of second cylinder 61 is on a parallel with the length direction of groove 51 that slides, base 5 is close to on the piston rod of second cylinder 61.

Referring to fig. 1, a limiting plate 52 for positioning is slidably connected to the upper surface of a base 5, the limiting plate 52 is vertically arranged, a dovetail groove 53 is formed in the upper surface of the base 5, the length direction of the dovetail groove 53 is parallel to the width direction of the base 5, a dovetail block 54 is fixedly connected to the lower surface of the limiting plate 52, and the dovetail block 54 is slidably connected into the dovetail groove 53.

Referring to fig. 1 and 2, two groups of clamping devices 2 for clamping a pipe are arranged on a base 5, the two groups of clamping devices 2 are distributed along the sliding direction of the base 5 and are located on one side of a limiting plate 52, two supporting frames 55 are arranged on the base 5 and correspond to the two groups of clamping devices 2 one by one, wherein the supporting frames 55 close to the limiting plate 52 are fixedly connected to the upper surface of the base 5, the supporting frames 55 far away from the limiting plate 52 are connected to the base 5 in a sliding manner, the sliding direction of the supporting frames 55 is parallel to the sliding direction of the base 5, and a sliding assembly for driving the supporting frames 55 far away from the limiting plate 52 to slide is arranged on the base 5.

Referring to fig. 1 and 2, the clamping device 2 includes two guide wheels 21, a first cylinder 22 and a pressing plate 23, the first cylinder 22 is fixedly connected to the upper surface of a supporting frame 55, a piston rod of the first cylinder 22 penetrates through the upper surface of the supporting frame 55 and stretches along the vertical direction, the pressing plate 23 is fixedly connected to the lower end of the piston rod of the first cylinder 22, the pressing plate 23 is horizontally arranged, a supporting rod 57 is fixedly connected to the inner side wall of the supporting frame 55, the supporting rod 57 is located under the pressing plate 23, the axial direction of the supporting rod 57 is parallel to the width direction of the base 5, the two guide wheels 21 are in a circular truncated cone shape, the two guide wheels 21 are coaxially and fixedly connected to the supporting rod 57, and the diameter of one end, close to each other, of the two guide wheels 21 is smaller than the diameter of one end, far away from each other, of the two guide wheels 21.

Referring to fig. 1 and 2, two moving grooves 56 are formed on the upper surface of the base 5, the two moving grooves 56 are distributed along the width direction of the base 5, the length direction of the moving grooves 56 is parallel to the length direction of the base 5, a supporting frame 55 is slidably connected in the moving grooves 56, a sliding assembly comprises a third air cylinder 71, the third air cylinder 71 is fixedly connected to the upper surface of the base 5, the expansion and contraction direction of a piston rod of the third air cylinder 71 is parallel to the sliding direction of the base 5, and the side wall of the supporting frame 55, which is close to the third air cylinder 71, is fixedly connected to the piston rod of the third air cylinder 71.

Referring to fig. 1 and 3, a polishing device 3 for polishing an end surface of a pipe is disposed on a frame 1, the polishing device 3 includes a first motor 31 and a polishing disc 32, the first motor 31 is slidably connected to the frame 1 along a vertical direction, the first motor 31 is located at a side of a limiting plate 52 away from a clamping device 2, and a lifting assembly 4 for driving the first motor 31 to lift is disposed on an upper surface of the frame 1.

Referring to fig. 1 and 3, the lifting assembly 4 includes a second motor 41, a second screw rod 42, a mounting block 43 and a connecting block 44, the mounting block 43 is fixedly connected to the upper surface of the frame 1, the mounting block 43 is vertically arranged and located at one side of the sliding groove 51 away from the second cylinder 61, a mounting groove 45 is formed in the side wall, close to the limiting plate 52, of the mounting block 43, the length direction of the mounting groove 45 is vertically arranged, the second screw rod 42 is rotatably connected to the inner side wall of the mounting groove 45 and is vertically arranged in the axial direction, the second motor 41 is fixedly connected to the upper surface of the mounting block 43, one end of an output shaft of the second motor 41 is located in the mounting groove 45 and is connected with the top end of the second screw rod 42, and the connecting block 44 is in threaded connection with the second screw rod 42 and is in the sliding connection with the mounting groove 45.

Referring to fig. 1 and 3, the second motor 41 is fixedly connected to the side wall of the connecting block 44, which is close to the limiting plate 52, the output shaft of the second motor 41 is parallel to the sliding direction of the base 5, the polishing disc 32 is coaxially and fixedly connected to the output shaft of the second motor 41, and the polishing disc 32 is located between the limiting plate 52 and the second motor 41.

The implementation principle of the flat nose machine in the embodiment of the application is as follows:

before the operator places the pipe on the guide wheel 21, the limiting plate 52 is slid so that the limiting plate 52 separates the grinding disc 32 and the clamping device 2, and then the operator places the pipe on the guide wheel 21 with the end face of the pipe close to the grinding disc 32 abutting on the side wall of the limiting plate 52.

In the pipe fitting placing process, an operator can adjust the distance between the two groups of clamping devices 2 according to the length of the pipe fitting, the stability of the pipe fitting after being placed is improved, in the adjusting process, the third air cylinder 71 is started, and the expansion and contraction of the piston rod of the third air cylinder 71 drives the clamping devices 2 far away from the limiting plate 52 to move, so that the adjustment of the distance between the two groups of clamping devices 2 can be realized; meanwhile, the guide wheels 21 are arranged in a round table shape, and the diameter of one end, close to each other, of the two guide wheels 21 in the same clamping device 2 is smaller than that of one end, away from each other, of the two guide wheels 21, so that a placed pipe fitting is always located at the center position of the two guide wheels 21 under the action of gravity, and the possibility of pipe fitting displacement in work is reduced.

After the pipe fitting is placed, the first air cylinder 22 is started, the expansion and contraction of the piston rod of the first air cylinder 22 drives the pressing plate 23 to abut against the side wall of the pipe fitting, and after the position of the pipe fitting is fixed, an operator moves the limiting plate 52 away.

Then the second motor 41 is started, the second motor 41 rotates to drive the second screw rod 42 to rotate, the second screw rod 42 rotates to drive the connecting block 44 to ascend or descend, so that the polishing disc 32 ascends or descends, the second motor 41 is closed after the polishing disc 32 faces the pipe fitting, the first motor 31 is started, and the first motor 31 drives the polishing disc 32 to rotate.

In the rotation process of the polishing disc 32, the second air cylinder 61 is started, and the second air cylinder 61 drives the base 5 to move in the direction close to the mounting block 43, so that the pipe fitting is driven to move in the direction close to the mounting block 43, and when the end face of the pipe fitting is abutted against the polishing disc 32, the polishing disc 32 can polish the pipe fitting.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (10)

1. A flat nose machine, characterized in that: including frame (1), be provided with clamping device (2) that are used for pressing from both sides tight pipe fitting on frame (1), clamping device (2) include two leading wheels (21), first cylinder (22) and clamp plate (23), two leading wheels (21) all set up on frame (1), two leading wheel (21) axis collineation, the axis level of leading wheel (21) sets up, leading wheel (21) are round platform form, two the diameter of the one end that leading wheel (21) are close to each other is less than the diameter of the one end that two leading wheels (21) are kept away from each other, first cylinder (22) set up on frame (1) and are located directly over a pair of leading wheel (21), the piston rod of first cylinder (22) stretches out and draws back along vertical direction, clamp plate (23) set up in the lower extreme of first cylinder (22) piston rod, be provided with on frame (1) and be used for polishing device (3) of pipe fitting terminal surface.

2. A flathead machine as recited in claim 1, wherein: the polishing device (3) comprises a first motor (31) and a polishing disc (32), wherein the first motor (31) is arranged on the frame (1), an output shaft of the first motor (31) is horizontally arranged, and the polishing disc (32) is coaxially arranged on the output shaft of the first motor (31); the sanding disc (32) is facing the pipe when the sanding process is performed.

3. A flathead machine as recited in claim 2, wherein: the first motor (31) is connected to the frame (1) in a sliding manner along the vertical direction, and a lifting assembly (4) for driving the first motor (31) to lift is arranged on the frame (1).

4. A flathead machine as recited in claim 3, wherein: lifting assembly (4) are including second motor (41), second lead screw (42), installation piece (43) and connecting block (44), installation piece (43) set up on frame (1), install and offered mounting groove (45) on the lateral wall that installation piece (43) are close to clamping device (2), second lead screw (42) rotate and connect on the inside wall of mounting groove (45) and vertical setting, second motor (41) set up on installation piece (43) and output shaft are connected with second lead screw (42), connecting block (44) threaded connection is on second lead screw (42) and slide and be connected in mounting groove (45), first motor (31) set up on connecting block (44).

5. A flathead machine as recited in claim 1, wherein: the machine frame is characterized in that a base (5) is connected to the machine frame (1) in a sliding mode, the sliding direction of the base (5) is perpendicular to the axis direction of the guide wheel (21), the clamping device (2) is arranged on the base (5), and a driving assembly used for driving the base (5) to move is arranged on the machine frame (1).

6. A flathead machine as recited in claim 5, wherein: the driving assembly comprises a second air cylinder (61), the second air cylinder (61) is arranged on the frame (1), and the base (5) is arranged on a piston rod of the second air cylinder (61).

7. A flathead machine as recited in claim 6, wherein: the base (5) is connected with a limiting plate (52) in a sliding mode, the sliding direction of the limiting plate (52) is parallel to the axis direction of the guide wheel (21), the limiting plate (52) is located between the polishing disc (32) and the clamping device (2), and the limiting plate (52) is used for blocking a pipe fitting.

8. A flathead machine as recited in claim 5, wherein: the clamping devices (2) on the base (5) are two groups, and the two groups of clamping devices (2) are distributed along the sliding direction of the base (5).

9. A flathead machine as recited in claim 8, wherein: keep away from clamping device (2) of grinding device (3) are connected on base (5) along the slip direction of base (5) slip, be provided with the slip subassembly that is used for driving clamping device (2) of keeping away from grinding device (3) to slide on base (5).

10. A flathead machine as recited in claim 9, wherein: the sliding assembly comprises a third air cylinder (71), wherein the third air cylinder (71) is arranged on the base (5), and a clamping device (2) far away from the polishing device (3) is arranged on a piston rod of the third air cylinder (71).

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