CN214185112U

CN214185112U - Square pipe nut riveting equipment

Info

Publication number: CN214185112U
Application number: CN202023332191.1U
Authority: CN
Inventors: 刘冬青; 刘政; 陈航; 张颖; 张坤
Original assignee: Hunan Penglan Intelligent Technology Co ltd
Current assignee: Hunan Penglan Intelligent Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-14
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a square tube nut riveting device, which comprises a workbench, a square tube fixing mechanism and a nut riveting mechanism, wherein the square tube fixing mechanism and the nut riveting mechanism are arranged on the workbench; establishing a rectangular coordinate system by taking the length direction of the square tube as an X axis and the width direction of the square tube as a Y axis; the square tube fixing mechanism comprises a first fixing assembly and a second fixing assembly which are arranged at intervals along the X-axis direction, the first fixing assembly and the second fixing assembly are respectively used for being detachably and fixedly connected with two ends of the square tube so as to fix the square tube between the first fixing assembly and the second fixing assembly, and at least one fixing assembly can reciprocate relative to the workbench along the X-axis direction; the nut riveting mechanism comprises a mounting frame arranged at the upper end of the workbench and a nut riveting gun arranged on the mounting frame; the mounting rack can reciprocate along the X-axis direction relative to the workbench, and the riveting nut gun can reciprocate up and down relative to the mounting rack. The utility model discloses a nut equipment is riveted to side pipe can realize the automatic riveting nut operation of square pipe type product to the nut efficiency of riveting of square pipe type product has been improved greatly.

Description

Square pipe nut riveting equipment

Technical Field

The utility model relates to a fastener processing equipment technical field especially relates to a nut equipment is riveted to side pipe.

Background

The nut is a part capable of tightly connecting mechanical equipment, and is usually used in combination with a bolt to fasten the parts, i.e., the bolt is inserted into a through hole formed in the connected part, and the nut is connected to the other end of the bolt to fasten the parts. The riveting nut is a technology developed for solving the defects that a thin plate and a plastic piece cannot tap internal threads or tap easily-sliding teeth and the like, namely, the nuts are riveted on the sectional materials, so that the later-stage direct connection through bolts is facilitated. Rivet the nut among the prior art and mostly adopt the manual work to hand the nut riveter and rivet the nut, this kind of nut riveting operation mode, production efficiency is low, and is with high costs, and the product uniformity is poor, and the security is poor, is difficult to adapt to the higher automation line of requirement now. The existing automatic nut riveting device has the following defects: 1) the application range is narrow, and the automatic nut riveting device is not suitable for automatically riveting nuts on square tubular products; 2) the steering of the square tubular product cannot be realized; 3) incompatible with products of various lengths; 4) the inefficiency can not meet the user's needs.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a improve nut equipment is riveted to square pipe of riveting efficiency.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a square tube nut riveting device comprises a workbench, and a square tube fixing mechanism and a nut riveting mechanism which are arranged on the workbench; establishing a rectangular coordinate system by taking the length direction of the square tube as an X axis and the width direction of the square tube as a Y axis;

the square tube fixing mechanism comprises a first fixing assembly and a second fixing assembly which are arranged at intervals along the X-axis direction, the first fixing assembly and the second fixing assembly are respectively used for being detachably and fixedly connected with two ends of the square tube so as to fix the square tube between the first fixing assembly and the second fixing assembly, and at least one fixing assembly can reciprocate relative to the workbench along the X-axis direction;

the nut riveting mechanism comprises a mounting frame arranged at the upper end of the workbench and a nut riveting gun arranged on the mounting frame; the mounting rack can reciprocate along the X-axis direction relative to the workbench, and the riveting nut gun can reciprocate up and down relative to the mounting rack.

As a further improvement of the above technical solution:

for avoiding rocking about the side pipe in the operation process, square pipe fixed establishment still including being used for preventing the fixture that the square pipe removed along the Y axle direction, fixture locates between the fixed subassembly of first fixed subassembly and second.

The clamping mechanism comprises two clamping components arranged at intervals along the X-axis direction.

At least one clamping assembly can move back and forth along the X-axis direction relative to the workbench.

The clamping assembly comprises a clamping seat arranged on the workbench and a first telescopic cylinder arranged at one end of the clamping seat in the Y-axis direction, the clamping seat is provided with a U-shaped groove with an upward opening, the first telescopic cylinder is arranged in the Y-axis direction, and the driving end of the first telescopic cylinder penetrates through the clamping seat and then extends into the U-shaped groove.

The clamping seat can reciprocate up and down relative to the workbench.

The first fixing assembly comprises a first mounting seat mounted on the workbench and a first jacking head arranged on the end face of one end, facing the square tube, of the first mounting seat, and the first jacking head can partially extend into the square tube; the second fixing assembly comprises a second mounting seat mounted on the workbench and a second jacking head arranged on one end face of the second mounting seat facing the square pipe, and the second jacking head can partially extend into the square pipe.

In order to realize the automatic reversing of the square tube, a driving mechanism for driving the first tightening head to rotate is arranged on the first mounting seat.

The second mounting seat is fixed on a nut of the ball screw pair structure. Thereby being compatible with the operation of riveting nuts of square pipes with various lengths.

The nut riveting gun is arranged on the mounting frame through a support, and a second telescopic cylinder used for driving the support to reciprocate up and down is arranged between the support and the mounting frame.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a nut equipment is riveted to side pipe can realize the automatic riveting nut operation of square pipe type product to improve the nut efficiency of riveting of square pipe type product greatly, adopted duplex position design efficiency to be far above manual operation. Moreover, the clamping distance can be adjusted, and the riveting nut operation of products with various lengths can be adapted. In addition, the square tube can be automatically reversed, and the 141/162 jacking head can be replaced, so that the square tube can be suitable for square tube products with different section sizes.

Drawings

Fig. 1 is the utility model discloses square pipe riveting nut equipment's schematic structure.

Fig. 2 is a front view structure schematic diagram of the arrangement of each mechanism on the workbench.

Fig. 3 is a schematic perspective view of the arrangement of the mechanisms on the workbench.

Fig. 4 is a front view of the first fixing assembly.

Fig. 5 is a perspective view of the first fixing assembly.

Fig. 6 is a perspective view of a second fixing assembly.

Fig. 7 is a front view of the clamping assembly.

Fig. 8 is a perspective view of the clamping assembly.

Fig. 9 is a front view structural schematic diagram of the rivet nut mechanism.

Fig. 10 is a perspective view of the rivet nut mechanism.

Illustration of the drawings: 1. a work table; 11. a first slide rail; 12. a second slide rail; 2. a nut riveting mechanism; 21. a mounting frame; 22. riveting a nut gun; 23. a support; 24. a second telescoping cylinder; 25. a fourth telescoping cylinder; 3. a first fixed component; 31. a first mounting seat; 32. a first puller head; 33. a first drive mechanism; 331. a first drive motor; 332. a first primary pulley; 333. a second secondary pulley; 334. a first belt; 335. a drive shaft; 4. a second fixed component; 41. a second mounting seat; 42. a second puller head; 43. a ball screw pair structure; 431. a nut; 432. a third drive motor; 433. a screw; 5. a clamping assembly; 51. a clamping seat; 53. a clamping seat mounting plate; 54. jacking the mounting plate; 52. a first telescoping cylinder; 56. a third telescopic cylinder; 55. a guide bar; 57. a drive device; 571. a second drive motor; 572. a second primary pulley; 573. a second secondary pulley; 574. a second belt; 6. a frame; 7. and (4) square tubes.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for understanding and reading the contents disclosed in the specification, and are not used for limiting the conditions that the present application can implement, so the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the technical content disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.

Example (b):

as shown in fig. 1 to fig. 3, the square tube nut riveting device of the present embodiment includes a workbench 1, and a square tube fixing mechanism and a nut riveting mechanism 2 disposed on the workbench 1. Wherein, the workbench 1 is arranged on a frame 6. This embodiment uses the square tube length direction to establish rectangular coordinate system for the Y axle with the square tube width direction as the X axle to the square tube rivet nut equipment of convenience carries out the elaboration explanation.

Square pipe fixed establishment includes the fixed subassembly of first fixed subassembly 3 and the fixed subassembly 4 of second that sets up along X axle direction interval to and be used for preventing the fixture that square pipe removed along Y axle direction, fixture locates between the fixed subassembly of first fixed subassembly 3 and second 4.

The first fixing component 3 and the second fixing component 4 are respectively used for being detachably and fixedly connected with two ends of the square pipe 7 so as to fix the square pipe 7 between the first fixing component and the second fixing component.

Referring to fig. 4 and 5, the first fixing assembly 3 includes a first mounting seat 31 fixed on the workbench 1, and a first tightening head 32 disposed on an end surface of the first mounting seat 31 facing the end of the square tube, and the first tightening head 32 may partially extend into the square tube 7.

Specifically, the first mounting seat 31 is provided with a first driving mechanism 33 for driving the first tightening head 32 to rotate. The first mounting seat 31 is a U-shaped structure with an upward opening, and the first driving mechanism 33 includes a first belt transmission mechanism disposed in a U-shaped groove of the U-shaped structure, and a first driving motor 331 disposed on a side plate of the U-shaped structure. The first belt transmission mechanism includes a first main pulley 332 drivingly connected to the drive motor 331, a second secondary pulley 333 fixed to a transmission shaft 335, and a first belt 334 tensioned between the first main pulley 332 and the first secondary pulley 333. The first main belt wheel 332 and the first auxiliary belt wheel 333 are arranged at an interval from top to bottom, the transmission shaft 335 is rotatably connected to two side plates of the U-shaped structure, and one end of the transmission shaft 335 facing the first tightening head 32 penetrates through the corresponding side plate of the U-shaped structure and then is fixedly connected with the first tightening head 32.

Referring to fig. 6, the second fixing assembly 4 includes a second mounting base 41 mounted on the worktable 1, and a second tightening head 42 disposed on an end surface of the second mounting base 41 facing the square pipe, wherein the second tightening head 42 may partially extend into the square pipe 7.

The workbench 1 is provided with a ball screw pair structure 43, the ball screw pair structure 43 comprises a third driving motor 432 fixed on the workbench, a screw 433 in transmission connection with the third driving motor 432, and a nut 431 in threaded connection with the screw 433, and the second mounting base 41 is fixed on the nut 431.

Wherein, first fixed subassembly 3 is equipped with two, and two first fixed subassemblies 3 are arranged along Y axle direction interval. And two second tightening heads 42 are arranged on the second mounting base 41, and the second tightening heads 42 are arranged in one-to-one correspondence with the first tightening heads 32 on the two first fixing assemblies 3.

The clamping mechanism comprises two clamping assemblies 5 which are arranged at intervals along the X-axis direction. In this embodiment, at least one of the clamping assemblies 5 is reciprocally movable in the X-axis direction with respect to the table 1.

Referring to fig. 7 and 8, the clamping assembly 5 includes two clamping bases 51 arranged at intervals along the Y-axis direction, a clamping base mounting plate 53, a jacking mounting plate 54, a first telescopic cylinder 52, a third telescopic cylinder 56, and two guide rods 55 arranged at intervals along the Y-axis direction. The two clamping holders 51 are mounted on the upper end surface of the clamping holder mounting plate 53, and the two clamping holders 51 are respectively arranged on two sides of the screw 433. The clamping seat 51 is a U-shaped structure with an upward opening, the first telescopic cylinder 52 is arranged along the Y-axis direction, the cylinder barrel of the first telescopic cylinder 52 is fixed on the outer side surface of one side plate of the clamping seat 51, and the piston rod of the first telescopic cylinder 52 penetrates through the corresponding side plate of the clamping seat 51 and then extends into the U-shaped groove of the clamping seat 51. Thereby, the piston rod of the first telescopic cylinder 52 is extended, and the square tube can be brought into contact with the other side plate of the holder 51 and the piston rod of the first telescopic cylinder 52.

The jacking mounting plate 54 is mounted on the table 1 and is disposed below the holder mounting plate 53. The guide rod 55 is provided on the lower end surface of the holder mounting plate 53, and the guide rod 55 penetrates the jack mounting plate 54. The cylinder of the third telescopic cylinder 56 is arranged on the lower end face of the jacking mounting plate 54, and the piston rod of the third telescopic cylinder 56 penetrates through the jacking mounting plate 54 and then is connected with the clamping seat mounting plate 53. Thus, the height of the holder 51 can be adjusted by extending and contracting the piston rod of the third telescopic cylinder 56.

Wherein, the worktable is provided with a driving device 57 for driving one of the clamping components 5 to reciprocate along the X-axis direction. The driving device 57 includes a second driving motor 571 and a second belt transmission mechanism.

The second driving motor 571 is fixed on the working platform 1, and the second belt transmission mechanism comprises a second main belt pulley 572 drivingly connected with the second driving motor 571, a second driven belt pulley 573 mounted on the working platform 1 through a fixing seat, and a second belt 574 tensioned between the second main belt pulley 572 and the second driven belt pulley 573. The second primary pulley 572 and the second secondary pulley 573 are disposed at intervals in the X-axis direction. The jacking mounting plate 54 of one of the clamping assemblies 5 is fixed with the second belt 574. In addition, the workbench 1 is provided with two first slide rails 11 arranged at intervals along the Y-axis direction, and the jacking mounting plate 54 of the clamping assembly 5 is slidably arranged on the two first slide rails 11. And the worktable 1 is also provided with a through groove 13 for the guide rod 55 of the clamping component 5 to reciprocate. The guide rod 55 of the other clamping component 5 abuts against the workbench 1.

Referring to fig. 9 and 10, the nut riveting mechanism 2 includes a mounting frame 21 provided at an upper end of the table 1, and a nut riveting gun 22 mounted on the mounting frame 21 through a bracket 23; a second telescopic cylinder 24 for driving the support 23 to reciprocate up and down is arranged between the support 23 and the mounting frame 21. A fourth telescopic cylinder 25 for driving the mounting frame 21 to reciprocate along the X-axis direction is arranged between the frame 6 and the mounting frame 21. In addition, the workbench 1 is provided with two second slide rails 12 arranged at intervals along the Y-axis direction, and the two first slide rails 11 are arranged between the two second slide rails 12. The mounting frame 21 is of a gantry structure, and two pillars of the mounting frame 21 are slidably disposed on the corresponding second slide rails 12. The two riveting nut guns 22 are arranged, and the two riveting nut guns 22 correspond to the two first fixing assemblies 3 one by one.

The square tube nut riveting equipment of the embodiment rivets a nut on a square tube in the following process:

the two square tubes 7 are respectively placed in the U-shaped grooves of the two clamping seats 51 of the clamping assembly 5, and the square tubes are moved so that the corresponding first tightening heads 32 are clamped into the square tubes. The ball screw pair 43 is activated to drive the second fixing member 4 close to the square tube 7 until the second tensioning head 42 extends into the square tube 7. The first telescopic cylinder 52 is extended until the square tube abuts between the other side plate of the holder 51 and the piston rod of the first telescopic cylinder 52. The fourth telescopic cylinder 25 extends out to drive the mounting frame 21 to move along the X-axis direction, so that the nut riveting gun 22 is aligned with a certain pre-processed nut hole of the square tube, the second telescopic cylinder 24 extends out to drive the nut riveting gun 22 to move downwards to rivet the nut in the nut hole. And repeating the steps to complete the riveting operation of the nuts with all holes on the surface.

The first driving motor 331 is started, the square tube is driven to rotate through the first belt transmission mechanism to change the surface, the nut riveting process is repeated, and nut riveting of all riveting holes in the other surface of the square tube is completed.

And repeating the steps until the riveting work of the nuts on all surfaces is finished. And finally, the second fixing component 4 is withdrawn and pushed tightly, the first telescopic cylinder 52 is retracted, the square tube is loosened, and the product is taken out to finish the operation.

When the jacking head is replaced to adapt to square pipes with different cross-sectional sizes, the third telescopic cylinder 56 can be used for stretching to adjust the height of the clamping seat 51 so as to clamp the square pipes with different cross-sectional sizes.

The above description is only for the preferred embodiment of the present application and should not be taken as limiting the present application in any way, and although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application, and those skilled in the art should understand that they can make various changes and modifications within the technical scope of the present application without departing from the scope of the present application, and therefore all the changes and modifications can be made within the technical scope of the present application.

Claims

1. The square tube nut riveting equipment is characterized by comprising a workbench (1), and a square tube fixing mechanism and a nut riveting mechanism (2) which are arranged on the workbench (1); establishing a rectangular coordinate system by taking the length direction of the square tube as an X axis and the width direction of the square tube as a Y axis;

the square tube fixing mechanism comprises a first fixing component (3) and a second fixing component (4) which are arranged at intervals along the X-axis direction, the first fixing component (3) and the second fixing component (4) are respectively used for being detachably and fixedly connected with two ends of a square tube so as to fix the square tube between the first fixing component and the second fixing component, and at least one fixing component can reciprocate along the X-axis direction relative to the workbench (1);

the nut riveting mechanism (2) comprises a mounting frame (21) arranged at the upper end of the workbench (1) and a nut riveting gun (22) arranged on the mounting frame (21); the mounting frame (21) can reciprocate along the X-axis direction relative to the workbench (1), and the riveting nut gun (22) can reciprocate up and down relative to the mounting frame (21).

2. The square tube rivet nut device of claim 1, wherein the square tube fixing mechanism further comprises a clamping mechanism for preventing the square tube from moving along the Y-axis direction, and the clamping mechanism is arranged between the first fixing assembly (3) and the second fixing assembly (4).

3. The square tube nut riveting apparatus according to claim 2, wherein the clamping mechanism comprises two clamping assemblies (5) arranged at intervals along the X-axis direction.

4. The square tube nut riveting apparatus according to claim 3, wherein at least one clamping assembly (5) can reciprocate along the X-axis direction relative to the workbench (1).

5. The square tube nut riveting device according to claim 3, wherein the clamping assembly (5) comprises a clamping seat (51) installed on the workbench (1), and a first telescopic cylinder (52) installed at one end of the clamping seat (51) along the Y-axis direction, the clamping seat (51) is provided with a U-shaped groove with an upward opening, the first telescopic cylinder (52) is arranged along the Y-axis direction, and the driving end of the first telescopic cylinder (52) penetrates through the clamping seat (51) and then extends into the U-shaped groove.

6. The square tube nut riveting apparatus according to claim 5, wherein the clamping base (51) can reciprocate up and down relative to the workbench (1).

7. The square tube rivet nut device according to any one of claims 1-5, characterized in that the first fixing assembly (3) comprises a first mounting base (31) mounted on the workbench (1), and a first tightening head (32) arranged on the end surface of the first mounting base (31) facing one end of the square tube, wherein the first tightening head (32) can partially extend into the square tube; the second fixing component (4) comprises a second mounting seat (41) mounted on the workbench (1) and a second jacking head (42) arranged on the second mounting seat (41) and facing one end face of the square pipe, wherein the second jacking head (42) can partially extend into the square pipe.

8. The square tube rivet nut apparatus according to claim 7, characterized in that the first mounting seat (31) is provided with a driving mechanism (33) for driving the first tightening head (32) to rotate.

9. The square tube nut riveting apparatus according to claim 7, wherein the workbench (1) is provided with a ball screw pair structure (43), and the second mounting seat (41) is fixed on a nut (431) of the ball screw pair structure (43).

10. The square tube nut riveting apparatus according to any one of claims 1-5, characterized in that the nut riveting gun (22) is mounted on the mounting frame (21) through a bracket (23), and a second telescopic cylinder (24) for driving the bracket (23) to reciprocate up and down is arranged between the bracket (23) and the mounting frame (21).