CN211804969U

CN211804969U - Clamping device of external cutting machine

Info

Publication number: CN211804969U
Application number: CN202020369425.0U
Authority: CN
Inventors: 李明祥
Original assignee: Xiamen Mingbao Stainless Steel Products Co ltd
Current assignee: Xiamen Mingbao Intelligent Technology Co.,Ltd.
Priority date: 2020-03-21
Filing date: 2020-03-21
Publication date: 2020-10-30
Anticipated expiration: 2030-03-21

Abstract

The utility model relates to a clamping device of outer cutting machine, it is including placing the platform, the setting is placing the bench in order to be used for placing the standing groove of steel pipe and setting is placing the bench in order to be used for pressing from both sides the clamping device of tight steel pipe, clamping device includes first holder and second holder, the standing groove sets up along the length direction who places the platform, first holder and second holder are located the both ends of standing groove respectively, and first holder and second holder all are located the same side of standing groove, still be provided with the positioner who is used for advancing line location to the steel pipe on the both sides of standing groove. The utility model discloses have the straight tube and the elbow portion that can press from both sides tight steel pipe for the more accurate effect of cutting.

Description

Clamping device of external cutting machine

Technical Field

The utility model belongs to the technical field of the technique of outer cutting machine and specifically relates to a clamping device of outer cutting machine is related to.

Background

At present, the elbow cutting technology is required to be applied to hardware machining procedures of most pipe fitting products, and the accuracy of the products on the cutting procedures can greatly influence the implementation of the post procedures. Welding, plane grinding, drilling and the like in the subsequent process often need to use a cutting plane as a reference plane, the uneven tangent plane can greatly prolong the working time of plane grinding, and the precision of welding and drilling can also be influenced, so that the installation precision of a product is caused to have errors.

In the prior art, a patent with publication number CN205967601U discloses a pipe cutting machine, which comprises a cutting device and a fixing device, wherein the cutting device comprises a main shaft, a rotating platform rotatably sleeved on the main shaft, a cutting machine fixedly supported on the rotating platform, and an operating lever for operating the rotating platform to rotate, and the fixing device comprises two clamping blocks. The cutting device and the fixing device form a rack of the pipe cutting machine, the structure is simple, the operation is simple and convenient, and the steel pipe can be cut into any angle.

The above prior art solutions have the following drawbacks: when the steel pipe is bent to a certain angle, the fixing device is difficult to well fix the bent steel pipe, so that the bent part of the steel pipe is difficult to cut into a cutting plane when the steel pipe is cut, the time for subsequently polishing the cutting plane is prolonged, and even the subsequent operation is influenced, so that the improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a clamping device of external cutting machine, it has the effect that can press from both sides tight return bend.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a clamping device of outer cutting machine, is including placing the platform, set up the standing groove in order to be used for placing the steel pipe on placing the platform and set up the clamping device in order to be used for pressing from both sides tight steel pipe on placing the platform, clamping device includes first holder and second holder, the standing groove sets up along the length direction of placing the platform, first holder and second holder are located the both ends of standing groove respectively, just first holder and second holder all are located the same side of standing groove, still be provided with the positioner who is used for fixing a position the steel pipe on the both sides of standing groove.

Through adopting above-mentioned technical scheme, the steel pipe is placed on the standing groove, utilizes positioner to restrict its position, then utilizes first holder and second holder to press from both sides the both ends of tight steel pipe respectively, and the both ends of steel pipe are all pressed from both sides tightly, and when the cutting machine cut steel pipe, can prevent that the steel pipe from keeping away from the one end perk of cutting position, and then the going on of influence cutting, perhaps influence steel pipe cutting back cutting plane's quality.

The present invention may be further configured in a preferred embodiment as: the placing groove comprises a straight pipe portion arranged along the length direction of the placing table and a bent pipe portion arranged along the width direction of the placing table, the straight pipe portion and the bent pipe portion are communicated, the first clamp is located on one side of the long side of the straight pipe portion, and the second clamp is located at the connecting position of the placing table, which is close to the straight pipe portion and the bent pipe portion.

Through adopting above-mentioned technical scheme, the straight tube part that can press from both sides fixed steel pipe can be pressed from both sides to the first holder that is located straight tube part one side of standing groove, and the elbow portion that can press from both sides fixed steel pipe can be pressed from both sides to the second holder that is located the straight tube part and the elbow portion hookup location department of standing groove, guarantees to cut the kink branch time of steel pipe, can provide effectual clamp force to the steel pipe, and fixed steel pipe is effectual.

The present invention may be further configured in a preferred embodiment as: the first holder and the second holder comprise mounting blocks arranged on the placing table and clamping pieces arranged on the mounting blocks, the clamping pieces comprise shifting rods connected to the mounting blocks in a rotating mode, clamping blocks connected to the mounting blocks in a rotating mode and connecting rods connected with the mounting blocks and the shifting rods in a rotating mode respectively, and the clamping blocks are fixedly connected with the shifting rods.

Through adopting above-mentioned technical scheme, rotate the driving lever, drive clamp splice and connecting rod and rotate for the clamp splice rotates to its lower terminal surface and steel pipe butt, applys decurrent pressure to the steel pipe, fixes the steel pipe in the standing groove, prevents that the steel pipe from taking place to shift in cutting process, influencing the cutting quality.

The present invention may be further configured in a preferred embodiment as: the lower end of the clamping block is provided with a rubber pad.

Through adopting above-mentioned technical scheme, the rubber pad plays the buffering guard action when the clamp splice applys pressure to the steel pipe, and can avoid clamp splice and steel pipe direct contact, avoids causing the damage to the surface of steel pipe.

The present invention may be further configured in a preferred embodiment as: the placing table is provided with a driving groove, the lower end of the mounting block is provided with a sliding block, the sliding block is connected in the driving groove in a sliding mode, a driving screw rod is further arranged in the driving groove, and the driving screw rod is in threaded connection with the sliding block.

Through adopting above-mentioned technical scheme, drive screw can drive the slider and slide, and then drives the installation piece and slide for the position between first holder and second holder and the standing groove can change, makes first holder and second holder can adapt to the steel pipe of different specifications, can change self position in order to exert pressure, press from both sides tight fixed steel pipe better to the steel pipe according to the position of steel pipe on placing the platform.

The present invention may be further configured in a preferred embodiment as: the positioning device comprises a plurality of positioning rods arranged on the placing table, each positioning rod is vertically arranged, and each positioning rod is located on two sides of the placing groove.

Through adopting above-mentioned technical scheme, the locating lever is fixed a position the steel pipe of placing in the standing groove for can cut out required cutting plane when cutting the steel pipe, avoid the position to place inaccurate angle and the quality that influences cutting plane.

The present invention may be further configured in a preferred embodiment as: the placing table is provided with a plurality of sliding grooves arranged along the wide side direction of the placing table, and the positioning rod far away from one side of the first holder is connected to the sliding grooves in a sliding mode.

Through adopting above-mentioned technical scheme, the locating lever slides on the spout and can change the position of locating lever for the locating lever can adapt to the steel pipe of different specifications.

The present invention may be further configured in a preferred embodiment as: the lower extreme vertical connection of locating lever has the driving piece, the driving piece is located the spout, the driving piece include with locating lever fixed connection's connecting block and with connecting block threaded connection's positioning screw.

Through adopting above-mentioned technical scheme, rotate the screw rod, drive connecting block and locating lever removal for the locating lever removes, adapts to the steel pipe of different specifications with this, and when the stall screw rod, screw rod and connecting block cooperation have certain auto-lock effect moreover, can avoid the locating lever to slide at will.

The present invention may be further configured in a preferred embodiment as: the placing table is further provided with a yielding groove, and the yielding groove corresponds to the blade of the cutting machine.

By adopting the technical scheme, when the cutting machine is used for cutting the steel pipe, the blade moves downwards into the abdicating groove, so that the limiting effect on the cutting machine is achieved, the blade is prevented from being exposed outside the placing table to hurt workers, and production accidents can be avoided; and whether the cutting plane of the steel pipe meets the requirements can be judged according to whether the blade corresponds to the abdicating groove.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the first clamp clamps the straight pipe part of the steel pipe, the second clamp clamps the bent pipe part of the steel pipe, the steel pipe can be clamped and fixed on the placing table, and the phenomenon that a cutting plane is inconsistent with requirements due to the fact that one end of the steel pipe is tilted when cutting operation is carried out is avoided;

2. the positioning rods can position and fix the two sides of the steel pipe, so that the position of the steel pipe on the placing table is consistent with the cutting requirement;

3. the arrangement of the abdicating groove can not only limit the cutting machine, but also prevent the blade from being exposed outside the placing table to hurt workers, and avoid production accidents; and whether the cutting plane of the steel pipe meets the requirements can be judged according to whether the blade corresponds to the abdicating groove.

Drawings

FIG. 1 is a schematic view showing the construction of a clamping device of an outer cutter according to an embodiment;

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

FIG. 3 is a schematic structural view of the second embodiment;

FIG. 4 is a schematic sectional view of the second embodiment;

fig. 5 is a schematic structural diagram of a driving member in the second embodiment.

Reference numerals: 1. a placing table; 11. a placement groove; 111. a straight tube portion; 112. a bent pipe portion; 12. a drive slot; 121. a drive screw; 122. a linear rotator; 13. a chute; 2. a cutter; 3. a clamping device; 31. a first gripper; 32. a second gripper; 33. mounting blocks; 34. a clamping member; 341. a deflector rod; 342. a clamping block; 343. a connecting rod; 344. a rubber pad; 35. a slider; 4. a positioning device; 41. positioning a rod; 42. a drive member; 421. connecting blocks; 422. positioning a screw rod; 423. a cross-member; 5. a yielding groove; 6. and (5) fixing blocks.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1, for the utility model discloses a clamping device of outer cutting machine 2, including placing platform 1, set up on placing platform 1 with the standing groove 11 that is used for placing the steel pipe, set up at standing groove 11 side with the positioner 4 that is used for fixing a position the steel pipe and set up at standing groove 11 both ends with the clamping device 3 that is used for pressing from both sides tight steel pipe. The positioning device 4 comprises a plurality of positioning rods 41 arranged on the placing table 1, each positioning rod 41 is vertically arranged on two sides of the placing groove 11, and the steel pipes placed in the placing groove 11 are positioned, so that the quality of a cutting plane is influenced due to inaccurate steel pipe positions when the steel pipes are cut.

The cutting machine 2 is arranged at one end of the placing groove 11, a fixing block 6 is vertically connected to one end, close to the cutting machine 2, of the placing table 1, the fixing block 6 is located at the lower end of the placing table 1, a abdicating groove 5 matched with a blade of the cutting machine 2 is formed in the fixing block 6, when the cutting machine 2 cuts a steel pipe, the blade moves downwards to fall into the abdicating groove 5, cutting is finished, and the cutting position is accurate; if the blade does not fall into the abdicating groove 5, the cutting plane of the steel pipe can be judged to have errors with the required cutting plane, and the blade falling into the abdicating groove 5 can not injure operators by mistake.

The placing groove 11 includes a straight pipe portion 111 provided along the length direction of the placing table 1 for placing the straight pipe portion of the steel pipe and a bent pipe portion 112 provided along the broadside direction of the placing table 1 for placing the bent pipe portion 112 of the steel pipe, the straight pipe portion 111 and the bent pipe portion 112 are communicated with each other, and the connecting position of the straight pipe portion 111 and the bent pipe portion 112 is arc-shaped. The clamping device 3 comprises a first clamp 31 positioned on one side of the straight pipe part 111 and a second clamp 32 positioned on one side of the connecting position of the straight pipe part 111 and the bent pipe part 112, the first clamp 31 and the second clamp 32 are both positioned on the same side of the placing groove 11, the first clamp 31 clamps the straight pipe part of the steel pipe, and the second clamp 32 clamps the bent pipe part 112 of the steel pipe, so that one end of the steel pipe is prevented from tilting during cutting, and defective products are prevented from being cut.

Referring to fig. 2, the clamping device 3 includes an installation block 33 disposed on the placing table 1 and a clamping member 34 disposed on the installation block 33 for clamping the steel pipe, the clamping member 34 includes a shift lever 341 rotatably connected to the installation block 33, a connecting rod 343 rotatably connected to the installation block 33 and the shift lever 341, and a clamping block 342 rotatably connected to the installation block 33, the clamping block 342 and the shift lever 341 are fixedly connected, the clamping block 342 can rotate along with the rotation of the shift lever 341, and the connecting rod 343 has a limiting and guiding function on the rotation of the shift lever 341 and controls the rotation range of the shift lever 341. The clamping block 342 comprises a connecting portion connected with the shift lever 341 and a clamping portion connected to the connecting portion and far away from the mounting block 33, the connecting portion is in an L shape, a rubber pad 344 is connected to one side face of the clamping portion far away from the connecting portion, the rubber pad 344 can avoid the clamping portion from directly contacting with the steel pipe, the clamping portion is prevented from damaging the surface of the steel pipe, and a buffering effect can be achieved when the clamping device 3 applies pressure to the steel pipe.

The implementation principle of the embodiment is as follows: the steel pipe is placed in the placing groove 11, the positioning rod 41 positions the steel pipe, after the position is adjusted, the shifting rod 341 on the first holder 31 and the second holder 32 is rotated to drive the clamping block 342 to rotate until the rubber pad 344 on the clamping block 342 is attached to the upper end face of the steel pipe, the clamping block 342 applies downward pressure to the steel pipe, the shifting rod 341 stops rotating, the cutting machine 2 is started, the bent pipe part 112 of the steel pipe is cut by the blade of the cutting machine 2, and the cutting is finished until the blade falls into the abdicating groove 5. And then the deflector rod 341 is rotated to separate the clamping block 342 from the steel pipe, and the cut steel pipe can be taken down.

Example two;

referring to fig. 3 and 4, the difference from the first embodiment is that: place and be provided with the spout 13 that the multichannel set up along the broadside direction of placing platform 1 on the platform 1, the locating lever 41 of keeping away from first holder 31 one side is pegged graft in spout 13, be provided with driving piece 42 in the spout 13, driving piece 42 includes the positioning screw 422 with 41 lower extreme threaded connection of locating lever, positioning screw 422 keeps away from the one end of locating lever 41 and is connected with the cross and rotates piece 423, the cross rotates the piece 423 and is not only convenient for grip, it is more convenient to make the action of rotating positioning screw 422, it is smooth, and can judge pivoted angle to a certain extent, the removal distance of each locating lever 41 of being convenient for unify.

The placing table 1 is further provided with a driving groove 12, the driving groove 12 is arranged between the mounting block 33 and the placing groove 11, the lower end of the mounting block 33 is connected with a sliding block 35, the sliding block 35 is connected in the driving groove 12 in a sliding manner, a driving screw 121 with one end in threaded connection with the sliding block 35 is arranged in the driving groove 12, and one end, far away from the sliding block 35, of the driving screw 121 extends out of the side face of the placing table 1 and is connected with a linear rotating piece 122.

Referring to fig. 5, the driving member 42 further includes a connecting block 421 connected to the lower end of the positioning rod 41, the positioning screw 422 is in threaded connection with the connecting block 421, and the connecting block 421 is connected to the sliding groove 13 in a sliding manner, so as to guide and limit the movement of the positioning rod 41.

The implementation principle of the embodiment is as follows: after the steel pipe is placed in the placing groove 11 and the position is adjusted, the cross rotating member 423 is rotated to drive the positioning screw 422 to rotate, the connecting block 421 and the positioning rod 41 are driven to slide on the sliding groove 13, and the positioning rod 41 on one side of the first holder 31 is fixed on two sides of the steel pipe; and then the linear rotating part 122 is rotated to drive the driving screw rod 121 to rotate, the sliding block 35 and the mounting block 33 are driven to move along the driving groove 12, when the clamping device 3 moves to the position where the clamping block 342 can be just attached and fixed to the upper end face of the steel pipe, the linear rotating part 122 stops rotating, the clamping device 3 is used for applying downward pressure to the upper end face of the steel pipe, the straight pipe part and the bent pipe part 112 of the steel pipe are fixed, and the cutting machine 2 is started to cut the steel pipe.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A clamping device of an outer cutting machine is characterized in that: the steel pipe clamping device comprises a placing table (1), a placing groove (11) arranged on the placing table (1) and used for placing a steel pipe, and a clamping device (3) arranged on the placing table (1) and used for clamping the steel pipe, wherein the clamping device (3) comprises a first clamp holder (31) and a second clamp holder (32), the placing groove (11) is arranged along the length direction of the placing table (1), the first clamp holder (31) and the second clamp holder (32) are respectively arranged at two ends of the placing groove (11), the first clamp holder (31) and the second clamp holder (32) are both arranged on the same side of the placing groove (11), and positioning devices (4) used for positioning the steel pipe are further arranged on two sides of the placing groove (11).

2. An outer cutter clamping assembly as set forth in claim 1 wherein: the placing groove (11) comprises a straight pipe part (111) arranged along the length direction of the placing table (1) and a bent pipe part (112) arranged along the width direction of the placing table (1), the straight pipe part (111) and the bent pipe part (112) are communicated, the first clamp holder (31) is positioned on one side of the long side of the straight pipe part (111), and the second clamp holder (32) is positioned at the connecting position of the placing table (1) close to the straight pipe part (111) and the bent pipe part (112).

3. An outer cutter clamping assembly as set forth in claim 2 wherein: the first holder (31) and the second holder (32) comprise an installation block (33) arranged on the placing table (1) and a clamping piece (34) arranged on the installation block (33), the clamping piece (34) comprises a shifting rod (341) rotatably connected to the installation block (33), a clamping block (342) rotatably connected to the installation block (33) and a connecting rod (343) rotatably connected with the installation block (33) and the shifting rod (341) respectively, and the clamping block (342) is fixedly connected with the shifting rod (341).

4. A clamping device for an external cutting machine as claimed in claim 3, wherein: the lower end of the clamping block (342) is provided with a rubber pad (344).

5. An outer cutter clamping assembly as set forth in claim 4 wherein: the placing table is characterized in that a driving groove (12) is formed in the placing table (1), a sliding block (35) is arranged at the lower end of the mounting block (33), the sliding block (35) is connected into the driving groove (12) in a sliding mode, a driving screw rod (121) is further arranged in the driving groove (12), and the driving screw rod (121) is in threaded connection with the sliding block (35).

6. An outer cutter clamping assembly as set forth in claim 1 wherein: the positioning device (4) comprises a plurality of positioning rods (41) arranged on the placing table (1), each positioning rod (41) is vertically arranged, and each positioning rod (41) is located on two sides of the placing groove (11).

7. An outer cutter clamping assembly as set forth in claim 5 wherein: the placing table (1) is provided with a plurality of sliding grooves (13) arranged along the width direction of the placing table (1), and the positioning rod (41) far away from one side of the first clamp holder (31) is connected to the sliding grooves (13) in a sliding mode.

8. An outer cutter clamping assembly as set forth in claim 6 wherein: the lower extreme of locating lever (41) is connected with driving piece (42) perpendicularly, driving piece (42) are located spout (13), driving piece (42) including with locating lever (41) fixed connection's connecting block (421) and with connecting block (421) threaded connection's positioning screw (422).

9. An outer cutter clamping assembly as set forth in claim 1 wherein: the placing table (1) is further provided with a yielding groove (5), and the yielding groove (5) corresponds to a blade of the cutting machine (2).