CN214023782U - Clamping mechanism with teeth of beveling machine - Google Patents

Abstract

The utility model discloses a take clamping mechanism of tooth of beveling machine in beveling machine field, including ring gear, seat circle and take tooth clamping device, the ring gear below is provided with V type bearing, V type bearing below is provided with the seat circle, the seat circle with the ring gear passes through V type bearing rotates to be connected. The utility model discloses to take tooth clamping device to be the lower part of independent additional at the seat circle, need not carry out the processing of guide way to the seat circle, only process fixed screw hole, so do not weaken the intensity of seat circle, thereby the size precision of installation rear seat circle has been guaranteed, guarantee the precision of circular motion, can be to solitary widget processing, so manufacturing cost reduces, ring gear and seat circle are two lamella formula structures, can ensure that this outer card formula beveling machine can carry out the components of a whole that can function independently installation, take tooth clamping device to install the junction of seat circle split, play the effect of connecting plate, the connection reliability of two lamella seat circles has been increased.

Description

Clamping mechanism with teeth of beveling machine

Technical Field

The utility model relates to a beveling machine field specifically is a take tooth clamping mechanism of beveling machine.

Background

To traditional beveling machine, its fixture generally adopts four bloated pieces of lead screw drive to carry out the centre gripping to the pipeline, and the bloated piece leads in the seat circle, and such structure has two shortcomings:

1. because the guide mechanism and the threads are machined in the seat ring, the machining difficulty is high because the seat ring is large in size, in addition, because materials are removed, the strength of the seat ring is weakened, when a pipeline is clamped, the machined part can become a weak point, the deformation of the whole seat ring is caused, the running precision of the whole equipment is influenced, and even the whole equipment can not rotate;

2. because the direction is in the seat circle, the size of seat circle receives the restriction, so the stroke of direction receives the restriction, when the centre gripping different diameter pipelines, need change the bloated piece of different length, and the change is wasted time and energy.

Accordingly, one skilled in the art provides a toothed clamping mechanism for a beveling machine that addresses the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take tooth clamping mechanism of beveling machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a clamping mechanism with teeth of a beveling machine comprises a gear ring, a seat ring and a clamping device with teeth, wherein a V-shaped bearing is arranged below the gear ring, the seat ring is arranged below the V-shaped bearing, the seat ring is rotationally connected with the gear ring through the V-shaped bearing, seven clamping devices with teeth are uniformly arranged below the seat ring, each clamping device with teeth comprises a V-shaped clamping block, a clamping screw rod arranged in the middle of the V-shaped clamping block, a clamping base plate arranged at the other end of the clamping screw rod and provided with guide columns arranged at two sides of the clamping screw rod, a first screw arranged above the clamping base plate, a second screw arranged at one end of the V-shaped clamping block and limiting screws arranged on two adjacent side walls of the V-shaped clamping block and the second screw, and the clamping base plate is connected with the seat ring through the first screws, the clamping base plate is connected with the clamping screw rod through threads, the clamping base plate is connected with the guide post in a sliding mode, the guide post is fixedly connected with the V-shaped clamping block through the limiting screw, the V-shaped clamping block is clamped at the end of the clamping screw rod through the second screw, the V-shaped clamping block is rotatably connected with the clamping screw rod, and the clamping screw rod is a large-pitch screw rod; when centre gripping pipeline, rotate with the spanner the hexagon of centre gripping lead screw tip through screw thread drive the V type grip block produces and removes, two the guide post plays the guide effect, there is the profile of tooth structure on the clamping face of V type grip block, can increase and the pipeline wall between the frictional force, the centre gripping base plate is last to have the multiunit bolt hole, through the bolt hole of chooseing for use different positions, can adjust the size of centre gripping pipe diameter, will take the tooth clamping device to attach in the lower part of seat circle alone, need not carry out the processing of guide way to the seat circle, only process fixed screw hole, so do not weaken the intensity of seat circle to the dimensional accuracy of installation back seat circle has been guaranteed, the precision of circular motion is guaranteed. Can be to solitary widget processing, so manufacturing cost reduces, because the screw stroke of centre gripping lead screw is big to can remove fixed position, so total stroke is big, need not additionally be furnished with bloated piece, cost reduction.

As a further aspect of the present invention: the gear ring and the seat ring are both formed by two semicircular rings, a first locking bolt is arranged between the two semicircular rings of the gear ring, a second locking bolt is arranged between the two semicircular rings of the seat ring, the two semicircular rings of the gear ring are fixedly connected through the first locking bolt, and the two semicircular rings of the seat ring are fixedly connected through the second locking bolt; the gear ring reaches the seat circle is two lamella formula structures, can ensure that this outer cassette beveling machine can carry out the components of a whole that can function independently installation, and the clamping device that takes the tooth can install the seat circle split junction, plays the effect of connecting plate, has increased the connection reliability of two lamella seat circles.

As a further aspect of the present invention: gear ring top one side fixedly connected with cutting knife rest, the gear ring top with the relative one side fixedly connected with groove knife rest of cutting knife rest, it feeds the collision piece to be connected with through screw fixed on the seat circle outer wall, groove knife rest with cutting knife rest's mounting dimension is low, can make the knife rest be closer to the root of cutting pipeline. The method has obvious advantages when the pipeline is undercut.

As a further aspect of the present invention: groove knife rest and cutting knife rest's bottom fixedly connected with bottom plate, the bottom plate with the ring gear passes through the screw connection, the bottom plate is U type structure, the inside both sides fixedly connected with forked tail guide rail board of bottom plate, forked tail guide rail board top sliding connection has forked tail knife rest, there is the cutter forked tail knife rest top through bolted connection, forked tail guide rail board does forked tail knife rest's feed motion provides the direction, ensures forked tail knife rest steadily feeds.

As a further aspect of the present invention: bottom plate top middle part fixedly connected with lead screw bearing frame, the inside interference of lead screw bearing frame is connected with deep groove ball bearing and thrust bearing, deep groove ball bearing and the feed screw is installed at thrust bearing hole position, there is feed nut through threaded connection on the feed screw, feed nut with the forked tail knife rest passes through the interference and is connected, feed screw with the cooperation of feed nut, for the cutter provides power, because the device's screw thread stroke is big to can remove fixed position, so total stroke is big, need not additionally be furnished with the bloated piece, cost reduction.

As a further aspect of the present invention: the feed screw passes be connected with the ratchet behind the lead screw bearing frame, the ratchet with feed screw contact site is provided with the parallel key, feed screw with the ratchet passes through the parallel key is connected, feed screw passes be connected with the circlip through the card mode of pressing behind the ratchet, the teeth of a cogwheel of ratchet can with feed when circular motion and hit the piece and collide, the ratchet rotates the position of a tooth at every turn when colliding, the drive feed nut removes, thereby drives forked tail knife rest radial movement, the cutter produces radial cutting and feeds.

As a further aspect of the present invention: the structure of the cutting knife rest is the same as that of the bevel knife rest, the cutting knife rest and the bevel knife rest are symmetrically arranged along the center of the gear ring, a planetary reducer is fixedly arranged on one side wall of the seat ring, a driving pinion is connected to an output shaft of the planetary reducer through a key, the driving pinion is meshed with the gear ring, and an input shaft of the planetary reducer is connected with a motor through a coupler; the motor drives the gear ring 5 to rotate, and then the groove tool rest and the cutting tool rest are driven to follow the gear ring to perform circular motion.

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

1. the utility model discloses to take tooth clamping device to attach in the lower part of seat circle alone, need not carry out the processing of guide way to the seat circle, only process fixed screw hole, so do not weaken the intensity of seat circle to guaranteed the size precision of installation rear seat circle, guaranteed the precision of circular motion, can process solitary widget, so manufacturing cost reduces;

2. the utility model provides a ring gear and seat circle are two lamella formula structures, can ensure that this outer cassette beveling machine can carry out the components of a whole that can function independently installation, take tooth clamping device to install the junction of seat circle split, play the effect of connecting plate, have increased the connection reliability of two lamella seat circles.

3. The utility model discloses the screw thread stroke of well fastening lead screw is big to can remove fixed position, so total stroke is big, does not need additionally to be furnished with bloated piece, cost reduction

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a conventional beveling machine of the present invention;

FIG. 3 is a schematic structural view of the present invention with the ring gear and seat ring semi-circle separated;

FIG. 4 is a schematic structural view of the middle gear ring and the seat ring after being separated from each other;

FIG. 5 is an exploded view of the groove tool holder of the present invention;

FIG. 6 is a schematic structural view of a clamping device with teeth according to the present invention;

fig. 7 is an exploded view of a toothed clamping device according to the present invention.

In the figure: 1. a motor; 2. a planetary reducer; 3. expanding blocks; 4. a drive pinion; 5. a ring gear; 6. a seat ring;

7. a V-shaped bearing; 8. feeding the impact block; 9. a toothed clamping device; 10. a first locking bolt; 11. a second locking bolt; 12. a groove cutter frame; 13. a cutting knife rest; 14. a base plate; 15. a dovetail rail plate; 16. a dovetail knife rest; 17. a feed screw; 18. a feed nut; 19. a deep groove ball bearing; 20. a thrust bearing; 21. a flat bond; 22. a ratchet wheel; 23. a circlip; 24. a lead screw bearing seat; 25. a cutter; 26. a V-shaped clamping block; 27. a guide post; 28. clamping the screw rod; 29. clamping the substrate; 30. a first screw; 31. a second screw; 32. and a limiting screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 7, in an embodiment of the present invention, a toothed clamping mechanism of a beveling machine includes a gear ring 5, a seat ring 6 and a toothed clamping device 9, a V-shaped bearing 7 is disposed below the gear ring 5, the seat ring 6 is disposed below the V-shaped bearing 7, the seat ring 6 is rotatably connected to the gear ring 5 through the V-shaped bearing 7, seven toothed clamping devices 9 are uniformly disposed below the seat ring 6, each toothed clamping device 9 includes a V-shaped clamping block 26, a clamping screw 28 disposed in the middle of the V-shaped clamping block 26, a clamping base plate 29 disposed at the other end of the clamping screw 28 and having guide posts 27 disposed at both sides of the clamping screw 28, a first screw 30 disposed above the clamping base plate 29, a second screw 31 disposed at one end of the V-shaped clamping block 26, and a limit screw 32 disposed on two adjacent side walls of the V-shaped clamping block 26 and the second screw 31, the clamping base plate 29 is connected to the seat ring 6 through the first screw 30, the clamping base plate 29 is in threaded connection with the clamping screw 28, the clamping base plate 29 is in sliding connection with the guide column 27, the guide column 27 is fixedly connected with the V-shaped clamping block 26 through a limiting screw 32, the V-shaped clamping block 26 is clamped at the end of the clamping screw 28 through a second screw 31, the V-shaped clamping block 26 is in rotating connection with the clamping screw 28, and the clamping screw 28 is a large-pitch screw; when clamping the pipeline, the hexagonal of centre gripping lead screw 28 tip is rotated with the spanner, produce the removal through screw thread drive V type grip block 26, two guide posts 27 play the guide effect, there is the profile of tooth structure on the clamping face of V type grip block 26, can increase and pipeline between the wall friction, there are multiunit bolt holes on the clamping base plate 29, through choosing the bolt hole of different positions, can adjust the size of the grip pipe diameter, will take the tooth clamping device 9 to attach in the lower part of the seat circle 6 alone, do not need to carry on the processing of guide way to the seat circle 6, only process the fixed screw hole, so do not weaken the intensity of the seat circle 6, thus has guaranteed the dimensional accuracy of the seat circle 6 after installing, guarantee the precision of circular motion, can process the independent widget, so production cost is reduced, because the screw thread stroke of centre gripping lead screw 28 is big, and can move the fixed position, therefore, the total stroke is large, the expansion block 3 does not need to be additionally arranged, and the cost is reduced.

The gear ring 5 and the seat ring 6 are both formed by two semicircular rings, a first locking bolt 10 is arranged between the two semicircular rings of the gear ring 5, a second locking bolt 11 is arranged between the two semicircular rings of the seat ring 6, the two semicircular rings of the gear ring 5 are fixedly connected through the first locking bolt 10, and the two semicircular rings of the seat ring 6 are fixedly connected through the second locking bolt 11; ring gear 5 and seat circle 6 are two lamella formula structures, can ensure that this outer cassette beveling machine can carry out the components of a whole that can function independently installation, take tooth clamping device 9 can install the junction of 6 lamellas of seat circle, the effect of connecting plate is played, the connection reliability of two lamella seat circles 6 has been increased, 5 top one side fixedly connected with cutting knife rest 13 of ring gear, 5 top of ring gear and the relative one side fixedly connected with groove knife rest 12 of cutting knife rest 13, feed the bump 8 through screw fixedly connected with on the 6 outer walls of seat circle, groove knife rest 12 and cutting knife rest 13's mounting dimension is low, can make the knife rest more be close to the root of cutting tube way. When carrying out the pipeline undercut, obvious advantage has, the bottom fixedly connected with bottom plate 14 of groove knife rest 12 and cutting knife rest 13, bottom plate 14 passes through the screw connection with ring gear 5, bottom plate 14 is U type structure, the inside both sides fixedly connected with forked tail guide rail board 15 of bottom plate 14, 15 top sliding connection of forked tail guide rail board have forked tail knife rest 16, there is cutter 25 through bolted connection in forked tail knife rest 16 top, forked tail guide rail board 15 provides the direction for the feed motion of forked tail knife rest 16, ensure that forked tail knife rest 16 steadily feeds.

A screw bearing seat 24 is fixedly connected to the middle part above the bottom plate 14, a deep groove ball bearing 19 and a thrust bearing 20 are connected to the interior of the screw bearing seat 24 in an interference manner, a feed screw 17 is installed in inner hole parts of the deep groove ball bearing 19 and the thrust bearing 20, a feed nut 18 is connected to the feed screw 17 through threads, the feed nut 18 is connected to the dovetail knife rest 16 in an interference manner, the feed screw 17 is matched with the feed nut 18 to provide power for a cutter 25, a ratchet 22 is connected to the feed screw 17 after the feed screw 17 passes through the screw bearing seat 24, a flat key 21 is arranged at a contact part of the ratchet 22 and the feed screw 17, the feed screw 17 is connected to the ratchet 22 through the flat key 21, an elastic check ring 23 is connected to the feed screw 17 after the feed screw 17 passes through the ratchet 22 in a clamping manner, the teeth of the ratchet 22 collide with a feed block during circular motion, and the ratchet 22 rotates to the position of one tooth during each collision, the driving feeding nut 18 moves to drive the dovetail cutter frame 16 to move radially, the cutter 25 generates radial cutting feeding, the cutting cutter frame 13 and the groove cutter frame 12 have the same structure, the cutting cutter frame 13 and the groove cutter frame 12 are symmetrically arranged along the center of the gear ring 5, a planetary reducer 2 is fixedly arranged on one side wall of the seat ring 6, a driving pinion 4 is connected to an output shaft of the planetary reducer 2 through a key, the driving pinion 4 is meshed with the gear ring 5, and an input shaft of the planetary reducer 2 is connected with a motor 1 through a coupler; the motor 1 drives the gear ring 55 to rotate, and further drives the bevel tool rest 12 and the cutting tool rest 13 to follow the gear ring 5 to perform circular motion.

The utility model discloses a theory of operation is: firstly, a spanner is used for rotating a hexagon at the end part of a clamping screw 28, a V-shaped clamping block 26 is driven to move through threads, two guide posts 27 play a role in guiding, a tooth-shaped structure is arranged on a clamping surface of the V-shaped clamping block 26, the friction force between the V-shaped clamping block and the pipeline wall can be increased, a plurality of groups of bolt holes are arranged on a clamping base plate 29, the size of the clamping pipe diameter can be adjusted by selecting bolt holes at different positions, a clamping device 9 with teeth is independently attached to the lower part of a seat ring 6, the guide groove machining of the seat ring 6 is not needed, only fixed threaded holes are machined, the strength of the seat ring 6 is not weakened, the dimensional precision of the seat ring 6 after installation is ensured, the precision of circular motion is ensured, independent small parts can be machined, the production cost is reduced, then a motor 1 drives a gear ring 5 to rotate, and further drives a groove 12 and a cutting tool rest 13 to follow the gear ring 5 to perform circular motion, the gear teeth of the ratchet wheel 22 can collide with the feeding collision block during circular motion, the ratchet wheel 22 rotates through the position of one tooth during each collision to drive the feeding nut 18 to move, so that the dovetail tool rest 16 is driven to move radially, the cutter 25 generates radial cutting feeding, the gear ring 5 and the seat ring 6 are of a two-piece structure, the split installation of the external clamping type beveling machine can be ensured, the toothed clamping device 9 can be installed at the split connection position of the seat ring 6 to play a role of a connecting plate, and the connection reliability of the two-piece seat ring 6 is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a clamping mechanism takes tooth of beveling machine, includes ring gear (5), seat circle (6) and takes tooth clamping device (9), its characterized in that: the V-shaped bearing (7) is arranged below the gear ring (5), the seat ring (6) is arranged below the V-shaped bearing (7), the seat ring (6) is rotationally connected with the gear ring (5) through the V-shaped bearing (7), seven clamping devices (9) with teeth are uniformly arranged below the seat ring (6), each clamping device (9) with teeth comprises a V-shaped clamping block (26), a clamping screw rod (28) arranged in the middle of the V-shaped clamping block (26), guide columns (27) arranged on two sides of the clamping screw rod (28), a clamping base plate (29) arranged on the other end part of the clamping screw rod (28), first screws (30) arranged above the clamping base plate (29), second screws (31) arranged at one end part of the V-shaped clamping block (26) and limiting screws (32) arranged on two side walls of the V-shaped clamping block (26) adjacent to the second screws (31), centre gripping base plate (29) with seat circle (6) pass through first screw (30) are connected, centre gripping base plate (29) with centre gripping lead screw (28) pass through threaded connection, centre gripping base plate (29) with guide post (27) sliding connection, guide post (27) with V type grip block (26) pass through stop screw (32) fixed connection, V type grip block (26) pass through second screw (31) card is in the tip of centre gripping lead screw (28), just V type grip block (26) with centre gripping lead screw (28) rotate and are connected, centre gripping lead screw (28) are the coarse pitch lead screw.

2. The toothed clamping mechanism of an beveling machine according to claim 1, wherein: ring gear (5) with seat circle (6) constitute by two semicircle rings, be provided with first locking bolt (10) between two semicircle rings of ring gear (5), be provided with second locking bolt (11) between two semicircle rings of seat circle (6), two semicircle rings of ring gear (5) pass through first locking bolt (10) fixed connection, two semicircle rings of seat circle (6) pass through second locking bolt (11) fixed connection.

3. The toothed clamping mechanism of an beveling machine according to claim 1, wherein: ring gear (5) top one side fixedly connected with cutting knife rest (13), ring gear (5) top with cutting knife rest (13) one side fixedly connected with groove knife rest (12) relatively, through screw fixedly connected with on seat circle (6) outer wall feed collision piece (8).

4. The toothed clamping mechanism of an beveling machine according to claim 3, wherein: groove knife rest (12) and bottom fixedly connected with bottom plate (14) of cutting knife rest (13), bottom plate (14) with ring gear (5) are through the screw connection, bottom plate (14) are U type structure, bottom plate (14) inside both sides fixedly connected with forked tail guide rail board (15), forked tail guide rail board (15) top sliding connection has forked tail knife rest (16), there is cutter (25) through bolted connection in forked tail knife rest (16) top.

5. The toothed clamping mechanism of an beveling machine according to claim 4, wherein: bottom plate (14) top middle part fixedly connected with lead screw bearing frame (24), the inside interference of lead screw bearing frame (24) is connected with deep groove ball bearing (19) and thrust bearing (20), deep groove ball bearing (19) and feed screw (17) are installed at thrust bearing (20) hole position, there is feed nut (18) through threaded connection on feed screw (17), feed nut (18) with forked tail knife rest (16) are through interference connection.

6. The toothed clamping mechanism of an beveling machine according to claim 5, wherein: the feed screw (17) penetrates through the screw bearing seat (24) and then is connected with a ratchet wheel (22), a flat key (21) is arranged at the contact part of the ratchet wheel (22) and the feed screw (17), the feed screw (17) is connected with the ratchet wheel (22) through the flat key (21), and the feed screw (17) penetrates through the ratchet wheel (22) and then is connected with an elastic check ring (23) in a clamping and pressing mode.

7. The toothed clamping mechanism of an beveling machine according to claim 3, wherein: cutting knife rest (13) with the structure of groove knife rest (12) is the same, just cutting knife rest (13) with groove knife rest (12) along the central symmetry installation of ring gear (5), fixed mounting has planetary reducer (2) on the lateral wall of seat circle (6), there is drive pinion (4) through the key joint on the output shaft of planetary reducer (2), drive pinion (4) with ring gear (5) meshing, there is motor (1) through the coupling joint on the input shaft of planetary reducer (2).

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