CN220029632U - Workpiece finish machining device - Google Patents

Abstract

The utility model relates to the technical field of workpiece processing, in particular to a workpiece finish machining device, which comprises a frame and a sliding block, wherein the sliding block is connected to the inner top end of the frame in a sliding way, a rotating motor is fixed at the inner left end of the frame, a telescopic cylinder is connected at the inner right end of the frame in a rotating way, two groups of tensioning assemblies which are distributed in a bilateral symmetry way are arranged between the rotating motor and the telescopic cylinder, a positive motor and a negative motor are fixed at the upper part of the inner left end of the frame, a screw rod which penetrates through the sliding block from right threads is connected at the power end of the positive motor and the negative motor, and the right end of the screw rod is connected at the inner right end of the frame in a rotating way; according to the utility model, the inner wall of the workpiece is tensioned through the tensioning assembly, then the workpiece is driven to rotate through the work of the rotating motor, and then the polishing block is driven to move left and right through the translation driving assembly, so that the outer surface of the workpiece is subjected to finish machining and polishing rapidly through the polishing block, and the outer surface of the workpiece is subjected to comprehensive finish machining and polishing through the polishing block.

Description

Workpiece finish machining device

Technical Field

The utility model relates to the technical field of workpiece machining, in particular to a workpiece finish machining device.

Background

In the production process of steel pipe workpieces, as the outer surfaces of the workpieces have more burrs, the burrs on the outer surfaces of the workpieces are required to be polished by a polishing device, wherein polishing means that the roughness of the surfaces of the workpieces is reduced by utilizing the action of machinery, chemistry or electrochemistry so as to obtain a bright and flat surface, and the polishing method is a modification processing method for the surfaces of the workpieces by utilizing polishing tools and abrasive particles or other polishing media;

the existing workpiece finish machining device clamps the outer surface of a pipe workpiece through a clamping mechanism, performs finish machining and polishing on the outer surface of the workpiece through a polishing block, and because the clamping mechanism can shield part of the outer surface of the workpiece, the polishing block is difficult to polish the shielded part, so that the comprehensiveness of polishing can be influenced, more scraps can be generated in the workpiece finish machining and polishing process, and the scraps are difficult to collect in time, so that the trouble of cleaning scraps later can be increased.

Disclosure of Invention

The workpiece finish machining device is beneficial to comprehensively finish machining and polishing the tubular workpieces, and can collect and treat the scraps in time, so that the trouble of cleaning the scraps is reduced.

In order to solve the problems in the prior art, the utility model discloses a workpiece finish machining device which comprises a frame and a sliding block, wherein the sliding block is connected to the inner top end of the frame in a sliding way;

a rotary motor is fixed at the left end in the frame, a telescopic cylinder is rotatably connected at the right end in the frame, and two groups of tensioning assemblies which are distributed in bilateral symmetry are arranged between the rotary motor and the telescopic cylinder;

the upper portion of left end is fixed with positive and negative motor in the frame, positive and negative motor power end meets has to right screw thread and passes through the lead screw of sliding block, the lead screw right-hand member rotate connect in right-hand member in the frame, the sliding block lower extreme is fixed with electronic jar, electronic jar lower extreme is fixed with the backup pad, the backup pad lower extreme is fixed with the polishing piece through the dead lever, the polishing piece outside is equipped with dust absorption subassembly.

Preferably, the tensioning assembly comprises an outer concave frame, an inner concave frame, a round platform pushing block and a threaded pushing rod, wherein the outer concave frame is provided with two outer concave frames, the outer concave frames are respectively connected with the power end of the telescopic cylinder and the power end of the rotating motor, and the inner concave frames are fixed at the inner ends of the adjacent outer concave frames.

Preferably, the round bench push blocks are all arranged on the inner sides of the concave frames, and the threaded push rods are all fixed at the outer ends of the round bench push blocks and penetrate through the adjacent concave frames towards the external threads.

Preferably, the tensioning assembly further comprises a prismatic table jacking block, a jacking rod, an anti-skid block and a return spring, wherein the prismatic table jacking block is arranged at the upper end and the lower end of the inner side of the inward concave frame, the inclined surface of the round table pushing block is matched with the inclined surface of the prismatic table jacking block, the jacking rod is fixed at the outer end of the prismatic table jacking block, and the outer end of the jacking rod penetrates through the inward concave frame in a sliding mode.

Preferably, the anti-skid blocks are all fixed at the outer ends of the ejector rods, the return springs are all fixed at the upper end and the lower end of the inward concave frame, and the outer ends of the return springs are all connected with the inner ends of the adjacent anti-skid blocks.

Preferably, the dust collection assembly comprises a dust collector, a dust collection pipe, an annular pipe and a plurality of dust collection covers, wherein the dust collector is fixed at the upper end of the supporting plate, the dust collection pipe is communicated with a dust collection opening of the dust collector and penetrates through the supporting plate downwards, the annular pipe is fixed at the periphery of the polishing block and is communicated with the dust collection pipe, and the dust collection covers are all communicated with the lower end of the annular pipe.

Compared with the prior art, the utility model has the beneficial effects that:

1. through setting up tensioning assembly, and with the inner wall of antiskid block withstands the pipe class work piece, thereby can be fast convenient carry out tensioning with the work piece and fix, then drive tensioning assembly and work piece through the work of rotating motor and rotate, the rethread translation drive assembly drives the polishing piece and moves about, do benefit to the polishing of finish machining to the work piece surface fast through the polishing piece, thereby do benefit to the burr of getting rid of the work piece surface, the work piece surface is not sheltered from moreover, consequently can carry out comprehensive finish machining polishing to the work piece surface through the polishing piece;

2. through setting up dust absorption subassembly, when the polishing piece carries out finish machining polishing to the work piece, start the dust catcher, then do benefit to the sweeps that produce polishing through a plurality of suction hoods in time absorb to collect the sweeps in the dust catcher in concentrating, so that the sweeps splashes everywhere and is difficult to concentrate the condition of collecting and take place, guaranteed the convenience of sweeps collection and treatment, do benefit to the trouble that reduces follow-up clearance sweeps.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a tensioning assembly of the present utility model;

FIG. 3 is a schematic view of a support plate structure according to the present utility model;

fig. 4 is a schematic bottom view of the polishing block of the present utility model.

In fig. 1-4: the device comprises a frame 1, a rotating motor 3, a telescopic cylinder 4, an outer concave frame 5, an inner concave frame 6, a threaded push rod 7, a round platform push block 8, a prismatic platform jacking block 9, a push rod 10, an anti-skid block 11, a return spring 12, a positive and negative motor 13, a screw rod 14, a sliding block 15, an electric cylinder 16, a supporting plate 17, a dust collector 18, a polishing block 19, a dust collection pipe 20, an annular pipe 21 and a dust collection cover 22.

Detailed Description

A workpiece finish machining device:

as shown in fig. 1 and 2, the embodiment comprises a frame 1 and a sliding block 15, the sliding block 15 is slidably connected to the inner top end of the frame 1, a rotating motor 3 is fixed at the inner left end of the frame 1, a telescopic cylinder 4 is rotatably connected to the inner right end of the frame 1, two groups of tensioning assemblies which are symmetrically distributed left and right are arranged between the rotating motor 3 and the telescopic cylinder 4, each tensioning assembly comprises an outer concave frame 5, an inner concave frame 6, a round table pushing block 8 and a threaded pushing rod 7, the outer concave frames 5 are provided with two outer concave frames 5 and are respectively connected to the power ends of the telescopic cylinder 4 and the rotating motor 3, the inner concave frames 6 are respectively fixed at the inner ends of the adjacent outer concave frames 5, the round table pushing blocks 8 are respectively arranged at the inner sides of the inner concave frames 6, the thread pushing rods 7 are all fixed at the outer ends of the round bench pushing blocks 8 and penetrate through the adjacent concave frames 6 towards external threads, the tensioning assembly further comprises prismatic bench pushing blocks 9, ejector rods 10, anti-skid blocks 11 and return springs 12, the prismatic bench pushing blocks 9 are all arranged at the upper end and the lower end of the inner sides of the concave frames 6, the inclined planes of the round bench pushing blocks 8 are matched with the inclined planes of the prismatic bench pushing blocks 9, the ejector rods 10 are all fixed at the outer ends of the prismatic bench pushing blocks 9, the outer ends of the ejector rods 10 are all penetrated through the concave frames 6 in a sliding mode, the anti-skid blocks 11 are all fixed at the outer ends of the ejector rods 10, the return springs 12 are all fixed at the upper end and the lower end of the concave frames 6, and the outer ends of the return springs 12 are all connected with the inner ends of the adjacent anti-skid blocks 11;

when the pipe workpiece is tensioned and fixed, the workpiece is sleeved on the periphery of the concave frame 6 at the left end, then the telescopic cylinder 4 is started to extend leftwards, the telescopic cylinder 4 can drive the tensioning assembly at the right end to extend into the inner periphery of the workpiece until the concave frame 6 at the right end is positioned in the inner periphery of the workpiece, then the threaded push rod 7 is screwed and the round bench push block 8 is driven to push the round bench push block 9 outwards along the inclined plane of the round bench push block 9, at the moment, the round bench push block 9 can drive the ejector rod 10 to move outwards of the concave frame 6, the ejector rod 10 pushes the anti-skid block 11 outwards, and the anti-skid block 11 stretches the return spring 12, so that the anti-skid block 11 is propped against the inner wall of the workpiece until the anti-skid block 11 is tensioned on the inner wall of the workpiece, and the workpiece can be tensioned and fixed quickly and conveniently.

As shown in fig. 1 and 3, in this embodiment, a front and back motor 13 is fixed at the upper part of the left end in the frame 1, a screw rod 14 penetrating through the sliding block 15 toward the right thread is connected to the power end of the front and back motor 13, the right end of the screw rod 14 is rotatably connected to the right end in the frame 1, an electric cylinder 16 is fixed at the lower end of the sliding block 15, a supporting plate 17 is fixed at the lower end of the electric cylinder 16, and a polishing block 19 is fixed at the lower end of the supporting plate 17 through a fixing rod;

then start the electronic jar 16 and drive backup pad 17 and polishing piece 19 and move down, until polishing piece 19 can polish the work piece surface, then start rotating motor 3, drive tensioning module through the work of rotating motor 3, work piece and flexible cylinder 4 rotate, start positive and negative motor 13 again and drive lead screw 14 rotation, lead screw 14 can drive sliding block 15 and slide about the top in frame 1, thereby make sliding block 15 drive electronic jar 16, backup pad 17 and polishing piece 19 left and right movement, because the pipe fitting is rotating, then do benefit to the quick finish polishing to the work piece surface through polishing piece 19, thereby do benefit to the burr of getting rid of the work piece surface, the work piece surface is not sheltered from, consequently can carry out comprehensive finish polishing to the work piece surface through polishing piece 19.

As shown in fig. 1, 3 and 4, in this embodiment, a dust collection assembly is disposed outside the polishing block 19, the dust collection assembly includes a dust collector 18, a dust collection tube 20, an annular tube 21 and a plurality of dust collection covers 22, the dust collector 18 is fixed at the upper end of the support plate 17, the dust collection tube 20 is communicated with a dust collection opening of the dust collector 18 and penetrates through the support plate 17 downwards, the annular tube 21 is fixed at the periphery of the polishing block 19 and is communicated with the dust collection tube 20, and the dust collection covers 22 are all communicated with the lower end of the annular tube 21;

through setting up dust absorption subassembly, when backup pad 17 drove polishing piece 19 and remove, and polishing piece 19 is carrying out finish machining polishing to the work piece, dust absorption subassembly can remove along with polishing piece 19 simultaneously, consequently start dust catcher 18, because a plurality of suction hoods 22 are around polishing piece 19 periphery, so do benefit to the sweeps that produce polishing through a plurality of suction hoods 22 in time absorb, the sweeps then inhale to dust catcher 18 through annular pipe 21 and dust absorption pipe 20, thereby do benefit to collect the sweeps in the dust catcher 18 in concentrating, in order to avoid the sweeps to splash everywhere and be difficult to concentrate the condition of collecting take place, guaranteed the convenience of sweeps collection treatment, do benefit to the trouble that reduces follow-up clearance sweeps.

In this embodiment, as shown in fig. 1, the right end in the frame 1 is rotatably connected with a telescopic cylinder 4, two groups of tensioning assemblies symmetrically distributed left and right are arranged between the rotary motor 3 and the telescopic cylinder 4, each tensioning assembly comprises an outer concave frame 5, an inner concave frame 6, a round table pushing block 8 and a thread pushing rod 7, and each tensioning assembly further comprises a prismatic table top block 9, a push rod 10, an anti-skid block 11 and a return spring 12;

after finishing the finish machining and polishing of the workpiece, after the rotating motor 3 and the positive and negative motor 13 stop working, the threaded push rod 7 is screwed again to drive the round platform push block 8 to be far away from the prismatic table top block 9, the round platform push block 8 is not propped against the prismatic table top block 9, the anti-slip block 11 is driven to move and reset through the resilience force of the return spring 12 and far away from the inner wall of the workpiece, the tensioning assembly at the right end is driven by the telescopic cylinder 4 to move out of the inner periphery of the workpiece, and at the moment, the machined workpiece can be conveniently detached from the device, so that the finish machining and polishing of the next workpiece are facilitated.

Claims (6)

1. The utility model provides a work piece finishing device, includes frame (1) and sliding block (15), sliding block (15) sliding connection in top in frame (1), its characterized in that:

a rotary motor (3) is fixed at the left end in the frame (1), a telescopic cylinder (4) is rotatably connected at the right end in the frame (1), and two groups of tensioning assemblies which are symmetrically distributed left and right are arranged between the rotary motor (3) and the telescopic cylinder (4);

the upper portion of left end is fixed with positive and negative motor (13) in frame (1), positive and negative motor (13) power end meets has to right screw thread to pass lead screw (14) of sliding block (15), lead screw (14) right-hand member rotate connect in right-hand member in frame (1), sliding block (15) lower extreme is fixed with electronic jar (16), electronic jar (16) lower extreme is fixed with backup pad (17), backup pad (17) lower extreme is fixed with polishing piece (19) through the dead lever, polishing piece (19) outside is equipped with dust absorption subassembly.

2. A workpiece finishing apparatus as defined in claim 1, wherein: the tensioning assembly comprises an outer concave frame (5), an inner concave frame (6), a round table pushing block (8) and a threaded pushing rod (7), wherein the outer concave frame (5) is provided with two telescopic cylinders (4) and power ends of the rotating motor (3) respectively, and the inner concave frames (6) are fixed at the inner ends of the adjacent outer concave frames (5).

3. A workpiece finishing apparatus as defined in claim 2, wherein: the round bench push blocks (8) are all arranged on the inner sides of the concave frames (6), and the threaded push rods (7) are all fixed at the outer ends of the round bench push blocks (8) and penetrate through the adjacent concave frames (6) towards external threads.

4. A workpiece finishing apparatus as defined in claim 3, wherein: the tensioning assembly further comprises a prismatic table jacking block (9), a jacking rod (10), an anti-slip block (11) and a return spring (12), wherein the prismatic table jacking block (9) is arranged at the upper end and the lower end of the inner side of the inward concave frame (6), the inclined plane of the circular table pushing block (8) is matched with the inclined plane of the prismatic table jacking block (9), the jacking rod (10) is fixed at the outer end of the prismatic table jacking block (9), and the outer end of the jacking rod (10) is slidably penetrated out of the inward concave frame (6).

5. A workpiece finishing apparatus as defined in claim 4, wherein: the anti-skid blocks (11) are all fixed at the outer ends of the ejector rods (10), the return springs (12) are all fixed at the upper end and the lower end of the inward-concave frames (6), and the outer ends of the return springs (12) are all connected with the inner ends of the adjacent anti-skid blocks (11).

6. A workpiece finishing apparatus as defined in claim 1, wherein: the dust collection assembly comprises a dust collector (18), a dust collection pipe (20), an annular pipe (21) and a plurality of dust collection covers (22), wherein the dust collector (18) is fixed at the upper end of the supporting plate (17), the dust collection pipe (20) is communicated with a dust collection opening of the dust collector (18) and penetrates through the supporting plate (17) downwards, the annular pipe (21) is fixed on the periphery of the polishing block (19) and is communicated with the dust collection pipe (20), and the dust collection covers (22) are all communicated with the lower end of the annular pipe (21).