CN220463061U

CN220463061U - Rotary clamp for pipe bending

Info

Publication number: CN220463061U
Application number: CN202322358365.9U
Authority: CN
Inventors: 谢力民; 许辉庭
Original assignee: Zhejiang Institute of Special Equipment Science
Current assignee: Zhejiang Institute of Special Equipment Science
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-02-09
Anticipated expiration: 2033-08-30

Abstract

The utility model discloses a rotary clamp for pipe bending, which comprises a clamp body, wherein a rotary table is arranged at the bottom of the clamp body, a driving motor for driving the rotary table to rotate is arranged at the bottom of the rotary table, the clamp body comprises a lower seat and an upper seat, the lower seat comprises two symmetrically arranged placing tables, a first arc groove matched with a pipe bending is arranged on each placing table, two ends of the first arc groove penetrate through the side wall of each placing table to form an outlet, the outlet is used for protruding the end part of the pipe bending, the upper seat corresponds to one of the placing tables, a second arc groove corresponding to the first arc groove is arranged on the upper seat, the first arc groove and the second arc groove are matched to form a clamping cavity matched with the pipe bending, a driving piece for driving the upper seat to lift is arranged on the upper seat, one placing table corresponds to the upper seat, when the pipe bending of the adding station is processed, the other placing table is in an idle state, material taking or discharging can be carried out, and then the processing position is switched through the rotary table, so that the processing position is always in the processing state without long-time stopping, and the production efficiency is improved.

Description

Rotary clamp for pipe bending

Technical Field

The utility model relates to the field of clamps, in particular to a rotary clamp for pipe bending.

Background

The fixture is used to fix the machining object in the correct position during the machining process to accept the construction or detection.

For example, chinese patent publication No. CN116394024a discloses a tooling fixture for stainless steel pipe bending, comprising: when the stainless steel bent pipe is fixed, the stainless steel bent pipe is firstly placed on the bearing seat and the bearing plate, the arc-shaped section and the horizontal section of the stainless steel bent pipe are sequentially fixed through the fixing mechanism, the arc-shaped section or the horizontal section of the stainless steel bent pipe is prevented from shaking when the arc-shaped section and the horizontal section of the stainless steel bent pipe are about to be cut off in the cutting process, the cutting flatness of the cutting end of the stainless steel bent pipe is influenced, and when the arc-shaped section of the stainless steel bent pipe is fixed, the fixing and adjusting function of the stainless steel bent pipe is realized through the cooperation of the adjusting rotating roller on the arc-shaped pressing plate and the arc-shaped supporting plate and the pushing and adjusting group, and the accuracy of 90-degree angle of the stainless steel long-radius elbow cut by the stainless steel bent pipe is improved.

However, in the specific processing and using process, the processing equipment is required to be stopped after the processing is completed, then the bent pipe which is required to be processed is installed and placed after the bent pipe which is completed to be processed is taken down, and finally the starting processing can be performed, so that the situation of low processing efficiency exists and the processing efficiency is required to be further improved.

Disclosure of Invention

In order to further improve machining efficiency, the application provides a rotary clamp for pipe bending.

The application provides a pipe bending rotary clamp, adopts following technical scheme:

the utility model provides a rotary clamp for pipe bending, includes the anchor clamps body, the bottom of anchor clamps body has the revolving stage, the revolving stage bottom is provided with and drives its pivoted driving motor, the anchor clamps body includes lower seat and upper seat, lower seat includes two symmetrical placement tables that set up, place the bench have with the first arc groove of return bend adaptation, the both ends in first arc groove run through placement table lateral wall and form the export, the tip protrusion that supplies the return bend of export, upper seat corresponds with one of them placement table and is provided with the second arc groove that corresponds with first arc groove on the upper seat, first arc groove and second arc groove cooperation form with return bend complex centre gripping chamber, be provided with the driving piece that drives its lift on the upper seat.

Optionally, the bottoms of the two placing tables are respectively provided with an independent base, and the bases are detachably connected with the rotary table.

Optionally, a long strip-shaped mounting hole is formed in the base, and a bolt fixed with the rotary table is arranged in the mounting hole in a penetrating manner.

Optionally, be provided with the spliced pole of connecting both between placing platform and the base, spliced pole one end and base threaded connection, the other end is fixed with placing the platform, threaded connection has the stop nut with base roof butt on the spliced pole.

Optionally, a chip collecting groove is formed between adjacent bases at intervals, two ends of the chip collecting groove in the length direction penetrate through to form chip discharging holes, and the bottom wall of the chip collecting groove is obliquely downwards arranged from the middle to the two ends.

Optionally, rubber layers are disposed on inner walls of the first arc groove and the second arc groove.

Optionally, be provided with first blowing mouth on the diapire of placing the platform, first blowing mouth is connected high-pressure air source and the gas outlet sets up towards album bits groove direction.

Optionally, a second air blowing nozzle is arranged on the bottom wall of the upper seat, and the end part of the second air blowing nozzle is sunken in the bottom wall of the upper seat.

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

1. 2 symmetrical placing tables are arranged on the rotary table, one of the placing tables is correspondingly matched with the upper seat to form a processing position, when an elbow pipe of the processing position is processed, the other placing table is in an idle state, material taking or material discharging can be performed, and the positions of the two placing tables are switched through rotation of the rotary table, so that workpieces are always in the processing state at the processing position, long-time stopping is not needed, and the production efficiency is effectively improved;

2. the bases at the bottoms of the two placing tables are independent individuals, so that vibration generated by one placing table during processing can be reduced and transmitted to the other placing table, discharging and taking of the placing tables are facilitated, the two placing tables are independent, and production is facilitated;

3. placing the platform and all being connected on the base through spliced pole threaded connection, realizing placing the dismantlement of platform, can dismantling the change to placing the platform to the return bend of different size specifications, improve the suitability, when the processing station that runs into placing the platform does not have partial angle deviation with the seat of honour in addition, can rotate through rotating and place the platform and adjust, stop nut's settlement improves and places the stability of platform after adjusting.

4. The first blowing nozzle and the second blowing nozzle play a good chip removing role, and the situation that chips generated by processing are accumulated to cause adverse effects on the use of the clamp is reduced.

Drawings

Fig. 1 is an overall structural diagram of an embodiment of the present application.

Fig. 2 is a block diagram of a base and a placement table in an embodiment of the present application.

Reference numerals illustrate:

1. a rotary table; 2. an upper seat; 3. a lower seat; 4. a placement table; 5. a first arc groove; 6. an outlet; 7. bending the pipe; 8. a driving member; 9. a second arc groove; 10. a base; 11. a mounting hole; 12. a bolt; 13. a lock nut; 14. a connecting column; 15. a limit nut; 16. a chip collecting groove; 17. and a chip removal port.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-2.

The embodiment of the application discloses a rotary clamp for processing an elbow 7.

As shown in fig. 1, a rotary clamp for processing an elbow pipe 7 comprises a clamp body and a rotary table 1, the clamp body is arranged on the rotary table 1, a driving motor for driving the rotary table 1 is arranged at the bottom of the rotary table 1, the clamp body comprises an upper seat 2 and a lower seat 3, the lower seat 3 is arranged on the rotary table 1 and is driven to rotate, the lower seat 3 comprises two symmetrically arranged placing tables 4, the placing tables 4 are integrally a sector block, first arc grooves 5 for placing the elbow pipe 7 are formed in the top wall of the two placing tables 4, two ends of the first arc grooves 5 penetrate through the side wall of the placing tables 4 to form outlets 6 for protruding ends of the elbow pipe 7, the upper seat 2 is also the sector block and corresponds to the placing tables 4 in shape, the upper seat 2 is provided with one and is located above one of the placing tables 4, the top of the upper seat 2 is provided with a driving piece 8 for driving the vertical lifting of the upper seat 2, the driving piece 8 is an air cylinder, the upper seat 2 is fixedly arranged on a piston rod of the air cylinder, the bottom of the upper seat 2 is provided with second arc grooves 9 corresponding to the first arc grooves 5, two arc grooves 5 are formed in the top wall of the two arc grooves 5, two arc grooves 5 are matched with the first arc grooves 9, and the two arc grooves 5 are matched with the first arc grooves 7 are formed.

After placing elbow 7 in first arc groove 5 like this, driving piece 8 drives upper seat 2 to move down and place the cooperation of platform 4, elbow 7 is held in the centre gripping chamber and the both ends protrusion export 6 of elbow 7, the tool bit of processing equipment can be synchronous to milling process to the convex both ends of elbow 7 this moment, another one places platform 4 and is idle state, the workman can place the elbow 7 of waiting to process on idle place platform 4 at this moment and prepare, after processing equipment finishes processing, revolving stage 1 rotates 180 degrees back and will preselect place platform 4 of putting elbow 7 and rotate to be located upper seat 2 below, upper seat 2 moves down and presss from both sides and process again, place platform 4 that the elbow 7 that the preceding completion processed corresponds is in idle state, the workman can take off the elbow 7 that the completion was processed and put down elbow 7 that needs to process next, circulation can last processing this moment, equipment need not to stop for a long time during this period, effectively improve production efficiency.

As shown in fig. 1 and 2, the lower part of the placement table 4 is provided with mutually independent bases 10, the bases 10 are detachably connected with the rotary table 1, two long-shaped mounting holes 11 are symmetrically formed in the bases 10 in the embodiment, bolts 12 are arranged in the mounting holes 11 in a penetrating mode, the bottom ends of the bolts 12 are fixed on the rotary table 1, one ends of the bolts 12 penetrate through the mounting holes 11 and are in threaded connection with locking nuts 13 at the end portions, the locking nuts 13 abut against the top wall of the bases 10, the detachable of the bases 10 is achieved, the fine adjustment of the mounting positions is achieved, the placement table 4 on the bases 10 can be well matched with the upper base 2 in a corresponding mode, the split arrangement of the two bases 10 is more convenient for independent machining production, and vibration generated by the placement table 4 on one base 10 during machining can be reduced to be transmitted to the other placement table 4.

As shown in fig. 1 and 2, a connecting column 14 for connecting the base 10 and the placing table 4 is arranged between the base 10 and the placing table 4, one end of the connecting column 14 is in threaded connection with the base 10, the other end of the connecting column 14 is fixed with the placing table 4, and meanwhile, a limit nut 15 for abutting against the top wall of the base 10 is in threaded connection with the connecting column 14, so that the placing table 4 and the base 10 can be detached, when the angle of the placing table 4 has deviation to influence the matching with the upper seat 2, the connecting column 14 can be rotated to adjust, and different placing seats can be replaced for use when the bent pipe 7 with different specifications and sizes is processed, so that the bending machine has better applicability.

In this embodiment, rubber layers are disposed on the inner walls of the first arc groove 5 and the second arc groove 9, so that the surface of the elbow pipe 7 can be protected by means of the rubber layers, and the situation that abrasion or sliding marks occur on the surface of the elbow pipe 7 due to hard contact in the processing process is reduced.

As shown in fig. 1, a certain distance exists between two bases 10 and a chip collecting groove 16 is formed, the chip collecting groove 16 is in a strip shape, two ends of the chip collecting groove 16 penetrate through the side wall of the rotary table 1 to form chip discharging openings 17, the height of the bottom wall of the chip collecting groove 16 is gradually reduced from the middle to two ends, accordingly, the bottom wall of the chip collecting groove 16 is an inclined surface which is symmetrically inclined downwards to two sides, chips generated in the processing process fall into the chip collecting groove 16, the chips fall easily under the action of self gravity and are discharged from the chip discharging openings 17, and due to continuous rotation of the rotary table 1, the generated centrifugal force can further throw the chips out, so that the chips generated in the processing process can be discharged in time.

In addition, the first air blowing nozzle is arranged on the bottom wall of the placement table 4, the opening of the first air blowing nozzle is arranged towards the chip collecting groove 16, the second air blowing nozzle is arranged on the bottom wall of the upper seat 2, the air blowing port of the second air blowing nozzle is retracted in the bottom wall of the upper seat 2, the bottom wall of the second air blowing nozzle is not influenced by the fact that the upper seat 2 moves downwards, the first air blowing nozzle and the second air blowing nozzle are connected with a high-pressure air source, the first air blowing nozzle can further promote chip discharging in the chip collecting groove 16, and can blow part of chips falling on the base 10 but falling into the chip collecting groove 16 to the chip collecting groove 16, and the second air blowing nozzle can blow and clean the chips remained on the bottom wall of the placement table 4, so that the influence on the bonding of the top wall of the upper seat 2 and the top wall of the placement table 4 is avoided, and the clamping effect is influenced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a rotary clamp for pipe bending, includes the anchor clamps body, its characterized in that: the bottom of anchor clamps body has revolving stage (1), revolving stage (1) bottom is provided with drives its pivoted driving motor, the anchor clamps body includes lower seat (3) and upper seat (2), lower seat (3) are including two symmetrical placement table (4) that set up, place have on table (4) with first arc groove (5) of return bend (7) adaptation, place table (4) lateral wall formation export (6) are run through at the both ends of first arc groove (5), the tip protrusion of return bend (7) is supplied in export (6), upper seat (2) correspond with one of them placement table (4) and are provided with second arc groove (9) that correspond with first arc groove (5) on upper seat (2), first arc groove (5) and second arc groove (9) cooperate to form with return bend (7) complex centre gripping chamber, be provided with on upper seat (2) and drive its driving piece (8) that drive to go up and down.

2. A rotary clamp for pipe bending according to claim 1, wherein: the bottoms of the two placing tables (4) are respectively provided with an independent base (10), and the bases (10) are detachably connected with the rotating table (1).

3. A rotary clamp for pipe bending according to claim 2, wherein: the base (10) is provided with a strip-shaped mounting hole (11), and bolts (12) fixed with the rotary table (1) are arranged in the mounting hole (11) in a penetrating mode.

4. A rotary clamp for pipe bending according to claim 2, wherein: a connecting column (14) for connecting the placing table (4) and the base (10) is arranged between the placing table and the base (10), one end of the connecting column (14) is in threaded connection with the base (10), the other end of the connecting column is fixed with the placing table (4), and a limit nut (15) which is in butt joint with the top wall of the base (10) is in threaded connection with the connecting column (14).

5. A rotary clamp for pipe bending according to claim 2, wherein: the chip collecting grooves (16) are formed between the adjacent bases (10) at intervals, chip discharging ports (17) are formed through the two ends of the chip collecting grooves (16) in the length direction, and the bottom wall of each chip collecting groove (16) is obliquely downwards arranged from the middle to the two ends.

6. A rotary clamp for pipe bending according to claim 1, wherein: the inner walls of the first arc groove (5) and the second arc groove (9) are respectively provided with a rubber layer.

7. The rotary clamp for pipe bending according to claim 5, wherein: the bottom wall of the placing table (4) is provided with a first air blowing nozzle, the first air blowing nozzle is connected with a high-pressure air source, and an air outlet is arranged towards the chip collecting groove (16).

8. The rotary clamp for pipe bending according to claim 7, wherein: the bottom wall of the upper seat (2) is provided with a second air blowing nozzle, and the end part of the second air blowing nozzle is sunken in the bottom wall of the upper seat (2).