CN223776597U - A quick clamping mechanism for petroleum machining - Google Patents

Abstract

The utility model discloses a quick clamping mechanism for petroleum machining, which comprises a base, wherein two groups of symmetrically distributed mounting frames are slidably arranged above the base, mounting seats are rotatably arranged on the two groups of mounting frames, mounting rings are arranged in the mounting seats and are rotatably connected with the mounting seats through bearings, second toothed rings are sleeved on the mounting rings, the mounting seats are provided with a plurality of groups of annularly distributed adjusting frames, the plurality of groups of adjusting frames are rotatably connected with the mounting seats through rotating rods, the plurality of groups of rotating rods are sleeved with third gears, the plurality of groups of third gears are meshed with the second toothed rings, mounting blocks are fixedly arranged on the plurality of groups of adjusting frames, the plurality of groups of mounting blocks are matched with the second toothed rings and the third gears to realize synchronous adjustment of angles of the plurality of groups of adjusting frames, the four groups of mounting blocks are uniformly distributed on the outer walls of workpieces and effectively increase the clamping contact area of the clamping mechanism to the workpieces, and stability of the clamping mechanism in the workpiece machining process is ensured.

Description

Quick clamping mechanism for petroleum machining

Technical Field

The utility model relates to the technical field of petroleum machining, in particular to a rapid clamping mechanism for petroleum machining.

Background

Petroleum machinery plays a vital role in petroleum extraction and drilling processes. The petroleum machinery mainly comprises a drilling machine, an oil extraction machine and other devices, each device has specific functions and functions, a clamping mechanism is required to be used for positioning a workpiece in the processing process of the petroleum machinery, the clamping is that the workpiece firstly needs to occupy a certain correct position on a machine tool or in a clamp before the workpiece starts to be processed, and the process is called positioning.

In the prior art, aiming at a part of columnar petroleum machinery workpiece, the fixing surface of the clamping mechanism is smaller, the workpiece is easy to slip and deviate due to external force in the subsequent processing process of positioning completion, so that the normal processing progress of the workpiece is affected, and the currently used clamping mechanism is inconvenient to adjust the processing surface of the workpiece in the processing process after the workpiece is initially fixed, the workpiece is required to be repeatedly disassembled and the positioning position is adjusted, and then the clamping mechanism is used for fixing again, so that the use is inconvenient.

Disclosure of utility model

The utility model aims to provide a rapid clamping mechanism for petroleum machining, which aims to solve the problems in the background technology.

In order to achieve the purpose, the quick clamping mechanism for petroleum machining comprises a base, two groups of symmetrically-distributed mounting frames are slidably mounted above the base, two groups of mounting frames are rotatably mounted on the base, mounting seats are rotatably mounted on the mounting frames, mounting rings are arranged in the mounting seats and are rotatably connected with the mounting seats through bearings, second toothed rings are sleeved on the mounting rings, the mounting seats are provided with a plurality of groups of annularly-distributed adjusting frames, the adjusting frames are rotatably connected with the mounting seats through rotating rods, a plurality of groups of rotating rods are sleeved with third gears, the third gears are meshed with the second toothed rings, a plurality of groups of adjusting frames are fixedly mounted with mounting blocks, first toothed rings are sleeved on the mounting frames, first gears are rotatably connected with the mounting frames through mounting rods, and the first gears are meshed with the first toothed rings.

As a further preferable mode of the technical scheme, two ends of the bidirectional screw rod penetrate through the two groups of mounting frames respectively and are in threaded connection with the two groups of mounting frames respectively, a first clamping block is arranged on the mounting blocks, two groups of second clamping blocks which are symmetrically distributed in the first clamping block are arranged on the first clamping block, two groups of third clamping blocks which are symmetrically distributed are respectively arranged on the second clamping block, and rubber sheets are fixedly bonded on the four groups of third clamping blocks.

As a further preference of the technical scheme, the mounting block, the first clamping block and the second clamping block are provided with sliding grooves, the first clamping block, the second clamping block and the third clamping block are fixedly provided with sliding blocks, the sliding blocks are correspondingly arranged with the sliding grooves, the first clamping block is in sliding connection with the mounting block through the sliding blocks, the second clamping blocks are in sliding connection with the first clamping block through the sliding blocks, and the third clamping blocks are in sliding connection with the corresponding second clamping blocks through the sliding blocks.

As a further preferable mode of the technical scheme, the mounting rod is sleeved with two groups of ratchet wheels which are symmetrically distributed, two groups of pawls which are symmetrically distributed are arranged in the mounting frame and are respectively meshed with the corresponding ratchet wheels, the two groups of pawls are respectively connected with the mounting frame in a rotating mode through the mounting shaft, and two groups of racks which are symmetrically distributed are slidably mounted in the mounting frame.

As a further preferable mode of the technical scheme, the two groups of mounting shafts are sleeved with first torsion springs, and two ends of each first torsion spring are fixedly connected with the pawl and the mounting frame respectively.

As a further preferable mode of the technical scheme, the two groups of mounting shafts are respectively sleeved with a second gear, the two groups of racks are respectively connected with the corresponding second gears in a meshed mode, the two groups of racks are fixedly connected through a moving frame, and the moving frame is fixedly provided with an inserting block.

As a further preferable mode of the technical scheme, a fixing rod which is arranged corresponding to the inserting block is fixedly arranged in the mounting frame, two groups of symmetrically distributed fixing frames are rotatably sleeved on the fixing rod, two groups of symmetrically distributed second torsion springs are sleeved on the fixing rod, two ends of each second torsion spring are fixedly connected with the corresponding fixing frame and the fixing rod respectively, and the two groups of fixing frames can be movably clamped with the inserting block.

The utility model provides a rapid clamping mechanism for petroleum machining, which has the following beneficial effects:

According to the utility model, the plurality of groups of adjusting frame angles are synchronously adjusted by matching the second toothed ring with the third gear through the arranged mounting ring, and then the first clamping block, the second clamping block and the third clamping block on the mounting block are matched to fix the central position of the columnar or shaft petroleum mechanical workpiece on the mounting seat, the four groups of mounting blocks are uniformly distributed on the outer wall of the workpiece, the clamping contact area of the clamping mechanism on the workpiece is effectively increased, the stability of the workpiece in the processing process is ensured, and the synchronous adjustment of the angles of the four groups of adjusting rods and the adjustment of the spacing between the two groups of mounting frames under the action of the bidirectional screw rod can be adjusted according to the size of the actually fixed workpiece, so that the application range of the clamping mechanism can be effectively enlarged, and the spacing adjustment between the four groups of adjusting rods is convenient and quick, so that the clamping mechanism can be suitable for rapidly clamping workpieces with various sizes.

According to the utility model, the mounting seat can drive the workpiece which is clamped and fixed to rotate on the mounting frame through the mutual coordination between the first toothed ring and the first gear, the machining surface of the workpiece is adjusted, a worker is not required to detach the workpiece for many times in the machining process of the workpiece to adjust the machining surface, then the workpiece is clamped again, the workpiece is convenient to process, the limit fixation of the mounting rod and the first gear can be realized under the action of the ratchet wheel and the pawl, and the influence on the machining precision of the workpiece caused by the sliding of the mounting seat in the machining process of the workpiece is avoided.

Drawings

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

FIG. 2 is a schematic view of the base and mounting of the present utility model shown in a separated configuration;

FIG. 3 is a schematic view of the mounting bracket and mounting base of the present utility model shown in an isolated configuration;

fig. 4 is an enlarged schematic view of the structure a in fig. 3 according to the present utility model.

FIG. 5 is a schematic view showing the separation of the mounting base and the adjusting bracket according to the present utility model;

FIG. 6 is a schematic view of the mounting block and first clamping block of the present utility model shown in a separated configuration;

1, a base, 2, a mounting rack, 3, a bidirectional screw rod, 4, a mounting seat, 5, a first toothed ring, 6, a first gear, 7, a mounting rod, 8, a ratchet, 9, a pawl, 10, a mounting shaft, 11, a first torsion spring, 12, a second gear, 13, a rack, 14, a movable rack, 15, an inserting block, 16, a fixed rod, 17, a fixed rack, 18, a second torsion spring, 19, a mounting ring, 20, a second toothed ring, 21, an adjusting rack, 22, a rotating rod, 23, a third gear, 24, a mounting block, 25, a first clamping block, 26, a second clamping block, 27, a third clamping block, 28, a rubber sheet, 29, a sliding groove, 30 and a sliding block.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

The utility model provides the technical scheme that: as shown in fig. 1, fig. 2, fig. 5 and fig. 6, in this embodiment, a quick clamping mechanism for petroleum machinery processing comprises a base 1, two groups of symmetrically distributed mounting frames 2 are slidably mounted above the base 1, a bidirectional screw rod 3 is rotatably mounted in the base 1, two groups of mounting frames 2 are rotatably mounted with a mounting seat 4, a mounting ring 19 is arranged in the mounting frame 4, the mounting ring 19 is rotatably connected with the mounting seat 4 through a bearing, a second toothed ring 20 is sleeved on the mounting ring 19, the mounting frame 4 is provided with a plurality of groups of adjusting frames 21 which are annularly distributed, a plurality of groups of adjusting frames 21 are rotatably connected with the mounting seat 4 through rotating rods 22, a plurality of groups of adjusting frames 22 are sleeved with third gears 23, a plurality of groups of third gears 23 are meshed with the second toothed ring 20, a plurality of groups of adjusting frames 21 are fixedly mounted with a mounting block 24, a first toothed ring 5 is sleeved on the mounting frame 4, a first gear 6 is arranged in the mounting frame 2, the first gear 6 is rotatably connected with the mounting frame 7 through the mounting rod, a plurality of groups of rotating blocks 2 are rotatably connected with the first toothed blocks 26, a plurality of groups of rotating blocks 2 are synchronously rotated with the second toothed blocks 24, a plurality of groups of rotating blocks 25 are synchronously rotated and are synchronously rotated with the second toothed blocks 24, a plurality of sets of rotating blocks 24 are synchronously rotated and are synchronously rotated with the second toothed blocks 24, and are synchronously rotated and are synchronously connected with the second toothed blocks 2, and are in the mounting blocks 2, and are in the mounting blocks and are in the transmission with the two sets of toothed blocks, and are in the rotating blocks and are in the 4 and are in a rotary blocks and are in a rotary joint with the rotary block 4. And draw in gradually to work piece position, two sets of mounting brackets 2 are run through respectively at the both ends of two-way lead screw 3 and respectively with two sets of mounting brackets 2 threaded connection, be equipped with first clamp splice 25 on the installation piece 24, be equipped with two sets of symmetrical inner distribution's second clamp splice 26 on the first clamp splice 25, two sets of all be equipped with two sets of symmetrical distribution's third clamp splice 27 on the second clamp splice 26, four sets of all be fixed with the sheet rubber 28 on the third clamp splice 27, spout 29 has all been seted up on installation piece 24, first clamp splice 25 and the second clamp splice 26, all fixed mounting has slider 30 on first clamp splice 25, second clamp splice 26 and the third clamp splice 27, slider 30 corresponds the setting with spout 29, first clamp splice 25 is through slider 30 and installation piece 24 sliding connection, two sets of second clamp splice 26 all is through slider 30 and first clamp splice 25 sliding connection, and multiunit third clamp splice 27 all is through slider 30 and corresponding second clamp splice 26 sliding connection, and adjustment piece 21 and second clamp splice 27 are all fixed with the second clamp splice 27 in order to avoid the outer wall of work piece position to produce firm in the centre gripping and the centre gripping piece position of the second clamp splice 27 and the outer wall of the work piece position of a set of the fourth clamp splice, and the machining process is not firm until the fixed to the work piece position is accomplished.

As shown in fig. 3 and 4, the mounting rod 7 is sleeved with two groups of symmetrically distributed ratchets 8, the mounting frame 2 is internally provided with two groups of symmetrically distributed ratchets 9, the two groups of ratchets 9 are respectively meshed with the corresponding ratchets 8, the two groups of ratchets 9 are respectively connected with the mounting frame 2 in a rotating way through a mounting shaft 10, the mounting frame 2 is internally and slidably provided with two groups of symmetrically distributed racks 13, the two groups of mounting shafts 10 are respectively sleeved with a first torsion spring 11, two ends of the first torsion spring 11 are respectively fixedly connected with the ratchets 9 and the mounting frame 2, the two groups of mounting shafts 10 are respectively sleeved with a second gear 12, the two groups of racks 13 are respectively meshed with the corresponding second gears 12, the two groups of racks 13 are fixedly connected with each other through a movable frame 14, the movable frame 14 is fixedly provided with an inserting block 15, the mounting frame 2 is internally and fixedly provided with a fixing rod 16 which is correspondingly arranged with the inserting block 15, two groups of symmetrically-distributed fixing frames 17 are rotatably sleeved on the fixing rod 16, two groups of symmetrically-distributed second torsion springs 18 are sleeved on the fixing rod 16, two ends of each second torsion spring 18 are respectively and fixedly connected with the corresponding fixing frames 17 and the fixing rod 16, the two groups of fixing frames 17 can be movably clamped with the inserting block 15, when the machining angle of a workpiece fixed on the mounting seat 4 is required to be adjusted, the inserting block 15 is driven to slide by pulling the moving frame 14 until the inserting block 15 is inserted between the two groups of fixing frames 17, the inserting block 15, the moving frame 14 and the two groups of racks 13 are fixed by the elastic force of the second torsion springs 18, the mounting shaft 10 is driven to rotate by matching with the second gear 12, the deviation of the pawl 9 is realized, the limit on the ratchet wheel 8 is relieved, at the moment, the mounting rod 7 and the first gear 6 can both rotate freely, the installation rod 7 and the first gear 6 are rotated to be matched with the first toothed ring 5 to drive the installation seat 4, the machining surface of a workpiece fixed on the installation seat 4 is adjusted, after the workpiece is adjusted to the other machining surface, the movable frame 14 is pulled reversely to enable the inserting block 15 to be separated from the fixing of the two groups of fixing frames 17, the installation shaft 10 and the pawl 9 are enabled to restore to the original limit of the corresponding ratchet wheel 8 under the action of the first torsion spring 11, and at the moment, the installation rod 7 and the first gear 6 are limited and can not rotate, and the installation seat 4 is fixed in position in the installation frame 2.

The utility model provides a rapid clamping mechanism for petroleum machining, which has the following specific working principle: the motor in the base 1 is started to drive the bidirectional screw rod 3 to rotate according to the length of the actually clamped workpiece, the distance between the two groups of mounting frames 2 is adjusted, the workpiece passes through the two groups of mounting frames 4, the motor on the mounting frames 4 is started to drive the rotating rod 22 to rotate, the rotating rod 22 drives the third gear 23 to synchronously rotate, the second toothed ring 20 and the plurality of groups of third gears 23 are matched to realize the synchronous rotation of the plurality of groups of adjusting frames 21, the mounting block 24 at the other end and the first clamping block 25, the second clamping block 26 and the third clamping block 27 on the mounting block 24 are driven to synchronously rotate inwards in the rotation process of the plurality of groups of adjusting frames 21 and gradually fold towards the workpiece, the third clamping block 27, the second clamping block 26 and the first clamping block 25 which are jointed with the outer wall of the workpiece in the folding process of the adjusting frames 21 are respectively rotated until the four groups of third clamping blocks 27 are jointed with the outer wall of the workpiece, the fixed fixation of the workpiece at the center of the mounting seat 4 is completed, the deviation generated by the unstable fixation of the workpiece in the machining process is avoided, the precision and quality of petroleum machining are affected, when the machining angle of the workpiece fixed on the mounting seat 4 is required to be regulated, the movable frame 14 is pulled and the insert block 15 is driven to slide until the insert block 15 is inserted between two groups of fixed frames 17, the insert block 15, the movable frame 14 and the two groups of racks 13 are fixed through the elastic force of the second torsion spring 18, the mounting shaft 10 is driven to rotate by matching with the second gear 12, the deviation of the pawl 9 is realized, the limit on the ratchet wheel 8 is relieved, the mounting rod 7 and the first gear 6 can rotate freely at the moment, the mounting rod 7 and the first gear 6 are driven by matching with the first toothed ring 5 to drive the mounting seat 4, and then realize the regulation to the fixed work piece machined surface on mount pad 4, after adjusting the work piece to another machined surface, reverse pulling removes frame 14 and makes insert 15 break away from the fixed of two sets of mounts 17 to make installation axle 10 and pawl 9 resume former spacing to corresponding ratchet 8 under the effect of first torsion spring 11, installation pole 7 and first gear 6 are all spacing non-rotatable this moment, and the mount pad 4 is fixed in the position of mounting bracket 2.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The quick clamping mechanism for petroleum machining is characterized by comprising a base (1), two groups of symmetrically distributed mounting frames (2) are slidably arranged above the base (1), a bidirectional screw rod (3) is rotatably arranged on the base (1), mounting seats (4) are rotatably arranged on the two groups of mounting frames (2), mounting rings (19) are arranged in the mounting seats (4), the mounting rings (19) are rotatably connected with the mounting seats (4) through bearings, second toothed rings (20) are sleeved on the mounting rings (19), the mounting seats (4) are provided with a plurality of groups of annularly distributed adjusting frames (21), the plurality of groups of adjusting frames (21) are rotatably connected with the mounting seats (4) through rotating rods (22), a plurality of groups of third gears (23) are fixedly arranged on the adjusting frames (21) in a sleeved mode, the first toothed rings (5) are sleeved on the mounting frames (4), the first mounting frames (6) are rotatably connected with the first mounting frames (6) through rotating rods (6), the first gear (6) is meshed with the first toothed ring (5).

2. The rapid clamping mechanism for petroleum machining is characterized in that two ends of the bidirectional screw rod (3) penetrate through two groups of mounting frames (2) respectively and are in threaded connection with the two groups of mounting frames (2) respectively, a first clamping block (25) is arranged on each mounting block (24), two groups of second clamping blocks (26) which are symmetrically distributed in the inner direction are arranged on each first clamping block (25), two groups of third clamping blocks (27) which are symmetrically distributed are arranged on each second clamping block (26), and rubber sheets (28) are fixedly bonded on each four groups of third clamping blocks (27).

3. The rapid clamping mechanism for petroleum machining is characterized in that sliding grooves (29) are formed in each of the mounting block (24), the first clamping block (25) and the second clamping block (26), sliding blocks (30) are fixedly arranged on each of the first clamping block (25), the second clamping block (26) and the third clamping block (27), the sliding blocks (30) are correspondingly arranged with the sliding grooves (29), the first clamping block (25) is in sliding connection with the mounting block (24) through the sliding blocks (30), two groups of the second clamping blocks (26) are in sliding connection with the first clamping block (25) through the sliding blocks (30), and multiple groups of the third clamping blocks (27) are in sliding connection with the corresponding second clamping blocks (26) through the sliding blocks (30).

4. The quick clamping mechanism for petroleum machining according to claim 1, wherein the mounting rod (7) is sleeved with two groups of symmetrically-distributed ratchets (8), two groups of symmetrically-distributed pawls (9) are arranged in the mounting frame (2), the two groups of pawls (9) are respectively meshed with the corresponding ratchets (8), the two groups of pawls (9) are respectively connected with the mounting frame (2) in a rotating manner through the mounting shaft (10), and two groups of symmetrically-distributed racks (13) are slidably mounted in the mounting frame (2).

5. The rapid clamping mechanism for petroleum machining according to claim 4, wherein the two groups of mounting shafts (10) are sleeved with first torsion springs (11), and two ends of each first torsion spring (11) are fixedly connected with the corresponding pawl (9) and the corresponding mounting frame (2).

6. The rapid clamping mechanism for petroleum machining according to claim 4, wherein the two groups of mounting shafts (10) are sleeved with second gears (12), the two groups of racks (13) are respectively connected with the corresponding second gears (12) in a meshed manner, the two groups of racks (13) are fixedly connected through a movable frame (14), and the movable frame (14) is fixedly provided with an inserting block (15).

7. The quick clamping mechanism for petroleum machining is characterized in that a fixing rod (16) which is arranged corresponding to an inserting block (15) is fixedly arranged in the mounting frame (2), two groups of symmetrically distributed fixing frames (17) are rotatably sleeved on the fixing rod (16), two groups of symmetrically distributed second torsion springs (18) are sleeved on the fixing rod (16), and two ends of each second torsion spring (18) are fixedly connected with the corresponding fixing frame (17) and the corresponding fixing rod (16), and the two groups of fixing frames (17) can be movably clamped with the inserting block (15).