CN210231978U

CN210231978U - Rocker arm pin welding device

Info

Publication number: CN210231978U
Application number: CN201920989312.8U
Authority: CN
Inventors: Ming Lai; 赖明�; Derong Su; 苏德荣; Feiqun Zhong; 钟飞群; Zhengwen Huang; 黄正文
Original assignee: Liuzhou Gongda Machinery Co ltd
Current assignee: Liuzhou Gongda Machinery Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-04-03
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses a rocker pin welding device, which belongs to the technical field of welding equipment and comprises a carrier, a rotating mechanism, a positioning bracket and a welding machine; the carrier comprises a rack and a supporting plate, and the rotating mechanism comprises a driving motor, a driving shaft, a transmission shaft, a turntable and a limiting cylinder; the driving motor is used for driving the turntable to rotate so as to drive the limiting cylinder to rotate, the limiting cylinder is used for fixing the rocker pin, and the inner diameter of the limiting cylinder is matched with the size of the outer peripheral surface of the rocker pin; the positioning support comprises a vertical rod, a cross rod, a limiting plate and a clamping device; the clamping device can be used for adjusting the horizontal position and the vertical position, and the limiting plate is used for positioning the cross rod; the welding machine comprises a host machine and a welding gun, wherein a handle of the welding gun is detachably arranged on the clamping device, and one end of the gun head, which is far away from the handle, is arranged downwards, so that the gun head is aligned to the rocker pin during welding; the utility model provides an in the rocking arm round pin welding process, workman work efficiency reduces, welding quality is poor and the dangerous high problem of operation.

Description

Rocker arm pin welding device

Technical Field

The utility model relates to a welding equipment technical field, in particular to rocking arm round pin welding set.

Background

The rocker pin generally comprises a pin shaft and a pin plate, and the pin shaft and the pin plate are welded with each other; the traditional welding mode is as follows: sleeving a pin plate on the top of the pin shaft, and welding by holding a welding gun; the welding mode has the defects of reduced working efficiency of workers, poor welding quality and high operation risk; therefore, it is necessary to provide a rocker pin welding apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a rocker pin welding device for solving the problems of reduced worker work efficiency, poor welding quality, and high operational risk in the rocker pin welding process.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

a rocker pin welding apparatus comprising:

the carrier comprises a rack and a supporting plate, and the supporting plate is arranged at the top of the rack and is horizontally arranged;

the rotating mechanism comprises a driving motor, a driving shaft, a transmission shaft, a turntable and a limiting cylinder; the driving motor is fixedly installed on the rack, the driving shaft is horizontally arranged and is in rotating connection with the rack, and the driving motor is in transmission connection with the driving shaft; the transmission shaft is vertically arranged and is rotationally connected with the supporting plate, the lower end of the transmission shaft is in transmission connection with the driving shaft through a bevel gear, the upper end of the transmission shaft is fixedly connected with the turntable, and the turntable is horizontally arranged; the limiting cylinder is arranged on the top surface of the rotary table, and the inner diameter of the limiting cylinder is matched with the size of the outer peripheral surface of the rocker pin;

the positioning support comprises a vertical rod, a cross rod, a limiting plate and a clamping device; the vertical rod is vertically arranged on the top surface of the supporting plate, the cross rod is vertically arranged with the vertical rod and sleeved on the vertical rod through a first sleeve, the cross rod can rotate around the vertical rod through the first sleeve, and a first locking screw for locking the first sleeve on the vertical rod is arranged on the first sleeve; the length of the transverse rod is greater than the distance between the limiting cylinder and the vertical rod; the limiting plate is sleeved on the vertical rod through a second sleeve, and a second locking screw for locking the limiting plate on the vertical rod is arranged on the second sleeve; the second sleeve is positioned below the first sleeve, and when the first sleeve is contacted with the second sleeve, the upper end of the limiting plate is positioned on the rotating track of the cross rod to position the cross rod; the clamping device is sleeved on the cross rod through a third sleeve, and a third locking screw for locking the clamping device on the cross rod is arranged on the third sleeve; and

the welding machine comprises a host machine and a welding gun, the host machine is arranged on the rack, the welding gun comprises a handle, a gun head and a gun barrel, one end of the gun barrel is connected with the handle, and the other end of the gun barrel penetrates through the supporting plate and is connected with the host machine; the handle is detachably mounted on the clamping device, one end of the gun head is connected with the handle, and the other end of the gun head is arranged downwards.

Preferably, the carrier further comprises a protective cover comprising a cover body and a protective door; the cover body is arranged at the top of the supporting plate and covers the rotating mechanism and the outer side of the positioning bracket, and the front surface of the cover body is of an opening structure; the protection door is arranged on the front face of the cover body, the top of the protection door is in sliding connection with the cover body, and the bottom of the protection door is in sliding connection with the supporting plate. The protective cover is arranged, so that a good protective effect can be achieved, and the possibility of safety accidents in the welding process is reduced.

Preferably, the protective door is provided with a visible glass window and a handle. The arrangement of the handle is convenient for an operator to open and close the protective door; the arrangement of the visual glass window facilitates the observation of the welding condition in the protective cover by operators.

Preferably, the top of the cover body is provided with an exhaust tube, and the exhaust tube is communicated with the inner cavity of the cover body. The setting of exhaust tube for the harmful gas that produces with welding in the protection casing is taken out from the factory building, improves the air quality in the delivery room.

Preferably, the driving motor is in transmission connection with the driving shaft through a belt. This arrangement enables the drive shaft to rotate stably.

Preferably, the driving shaft is rotatably connected with the frame through a first bearing; the transmission shaft is rotatably connected with the supporting plate through a second bearing. The arrangement is such that the drive shaft and the drive shaft rotate stably relative to the carrier.

Preferably, the bottom of the limiting cylinder is detachably connected with the rotary disc through a bolt. Set up like this, the operating personnel of being convenient for corresponds not unidimensional rocker arm round pin according to actual need, with the spacing section of thick bamboo of corresponding size install extremely on the carousel.

Preferably, the first sleeve is provided with a hook for hanging against the barrel. By the arrangement, the gun barrel can be hung on the hook, and the condition that the gun barrel falls down is prevented.

Preferably, the welding machine further comprises a foot switch for controlling the main machine to work or stop, and the foot switch is electrically connected with the main machine. The arrangement is convenient for an operator to control the welding machine to work or stop through the foot switch.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

1. the utility model is used for welding the rocker arm pin, and adopts a semi-automatic welding mode, so that an operator does not need to hold a welding gun for welding operation, and the working efficiency of the operator can be effectively improved; meanwhile, the operation danger in the welding process can be effectively reduced; the rotating mechanism of the utility model drives the rotating disc to rotate through the driving motor, thereby driving the limiting cylinder to rotate, the limiting cylinder is used for fixing the rocker pin, and the inner diameter of the limiting cylinder is matched with the size of the outer peripheral surface of the rocker pin; the positioning support is used for fixing the welding gun, so that the gun head of the welding gun can be aligned to the rocker pin in the limiting cylinder; therefore, the rotating rocker arm pin is welded by the welding gun, the welding position is uniformly heated, and the welding quality of the rocker arm pin is effectively improved.

2. The positioning bracket of the utility model is provided with a clamping device for clamping the welding gun, the clamping device is sleeved on the cross rod through the third sleeve, and the cross rod is sleeved on the vertical rod through the first sleeve, so that the horizontal position and the vertical position of the clamping device are both adjustable; the vertical rod is also provided with a limiting plate for positioning the cross rod; before use, firstly, the clamping device is adjusted to a proper position, so that the gun head of the welding gun is aligned to the rocker pin in the limiting cylinder; then, the first sleeve is locked on the vertical rod through a first locking screw; then, a third sleeve is locked on the cross rod through a third locking screw; then, adjusting the vertical position of the second sleeve to enable the upper end of the limiting plate to be in contact with the cross rod, and locking the second sleeve to the vertical rod through a second locking screw; finally, the first locking screw is loosened, and the cross rod is successfully positioned; in the welding process, the cross rod is driven to be far away from the limiting plate, so that the rocker arm pin in the limiting cylinder can be conveniently taken out or put into the limiting cylinder; the driving cross rod is contacted with the limiting plate, so that the positioning is successful, the welding gun can be conveniently aligned to the rocker pin, and the rocker pin is welded; the positioning support has the advantages of simple structure, convenience in use, strong practicability and the like.

3. The utility model discloses still be provided with the protection casing that plays the safety protection effect and be used for absorbing the exhaust tube of harmful gas in the protection casing, can further ensure operating personnel's personal safety, the utility model discloses can bring very big facility for the welding workman, have better popularization meaning.

Drawings

Fig. 1 is a front view of a rocker pin welding apparatus provided by an embodiment of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is a schematic structural diagram of a positioning bracket according to an embodiment of the present invention;

FIG. 4 is an assembled schematic view of the rocker pin;

the main reference symbols in the drawings are as follows:

in the figure, 1-a frame, 2-a supporting plate, 3-a cover body, 4-a protective door, 5-a visible glass window, 6-a handle, 7-an exhaust pipe, 8-a driving motor, 9-a belt, 10-a driving shaft, 11-a driving shaft, 12-a rotating disc, 13-a limiting cylinder, 14-a vertical rod, 15-a cross rod and 16-a limiting plate, 17-clamping device, 18-first sleeve, 19-hook, 20-first locking screw, 21-second sleeve, 22-second locking screw, 23-third sleeve, 24-third locking screw, 25-main unit, 26-welding gun, 27-handle, 28-gun head, 29-gun barrel, 30-foot switch, 31-pin shaft and 32-pin plate.

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The accompanying drawings are only for illustrative purposes and are only schematic drawings rather than actual drawings, which are not intended to limit the present disclosure, and in order to better illustrate the embodiments of the present disclosure, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1-3, a rocker pin welding device includes a carrier, a rotating mechanism, a positioning bracket, and a welding machine. Wherein, the carrier includes frame 1, backup pad 2 and protection casing, and backup pad 2 sets up at the top of frame 1 to the level sets up. The protection casing includes the cover body 3 and guard gate 4, and the top of backup pad 2 is located to the cover body 3 to the cover is established in the outside of rotary mechanism and locating support, and the front of the cover body 3 is open structure. Guard gate 4 locates the front of the cover body 3, guard gate 4's top and the cover body 3 sliding connection, guard gate 4's bottom and backup pad 2 sliding connection. The protective cover is arranged, so that a good protective effect can be achieved, and the possibility of safety accidents in the welding process is reduced. Be provided with visual glass window 5 and handle 6 on the guard gate 4, the setting of handle 6 is convenient for operating personnel and opens and close guard gate 4, and the welding condition in the protection casing is observed to the setting of visual glass window 5, the operating personnel of being convenient for. The top of the cover body 3 is provided with an exhaust tube 7, and the exhaust tube 7 is communicated with the inner cavity of the cover body 3. The setting of exhaust tube 7 for the harmful gas that produces with the welding in the protection casing is taken out from the factory building, improves the air quality in the delivery room.

The rotating mechanism comprises a driving motor 8, a driving shaft 10, a transmission shaft 11, a rotating disc 12 and a limiting cylinder 13. Driving motor 8 fixed mounting is in frame 1, and drive shaft 10 level sets up to rotate with frame 1 and be connected, driving motor 8 is connected with drive shaft 10 transmission, and the vertical setting of transmission shaft 11, and rotate with backup pad 2 and be connected. In this embodiment, the driving shaft 10 is rotatably connected to the frame 1 through a first bearing, the transmission shaft 11 is rotatably connected to the supporting plate 2 through a second bearing, and the driving motor 8 is drivingly connected to the driving shaft 10 through the belt 9. The lower extreme of transmission shaft 11 passes through bevel gear and is connected with drive shaft 10 transmission, and the upper end of transmission shaft 11 and carousel 12 fixed connection, carousel 12 level setting. The top surface of carousel 12 is located to spacing section of thick bamboo 13, and the internal diameter of spacing section of thick bamboo 13 and the size phase-match of rocker pin outer peripheral face. Wherein, the bottom of the limiting cylinder 13 is detachably connected with the rotary table 12 through a bolt. Set up like this, be convenient for operating personnel according to actual need, correspond not unidimensional rocker arm pin, install the spacing section of thick bamboo 13 of corresponding size to carousel 12 on.

The positioning support comprises a vertical rod 14, a cross rod 15, a limiting plate 16 and a clamping device 17. The vertical rod 14 is vertically arranged on the top surface of the supporting plate 2, the cross rod 15 is vertically arranged with the vertical rod 14 and is sleeved on the vertical rod 14 through the first sleeve 18, the cross rod 15 can rotate around the vertical rod 14 through the first sleeve 18, and the first sleeve 18 is provided with a first locking screw 20 for locking the first locking screw to the vertical rod 14. The length of the cross rod 15 is larger than the distance between the limiting cylinder 13 and the vertical rod 14. The limiting plate 16 is sleeved on the vertical rod 14 through a second sleeve 21, and a second locking screw 22 for locking the second sleeve 21 to the vertical rod 14 is arranged on the second sleeve 21. The second sleeve 21 is located below the first sleeve 18, and when the first sleeve 18 and the second sleeve 21 contact with each other, the upper end of the limiting plate 16 is located on the rotating track of the crossbar 15, so as to position the crossbar 15. The clamping device 17 is sleeved on the cross rod 15 through a third sleeve 23, and a third locking screw 24 for locking the third sleeve 23 on the cross rod 15 is arranged on the third sleeve 23.

The welder includes a host computer 25, a welding gun 26, and a foot pedal 30. The main machine 25 is arranged on the frame 1, the welding gun 26 comprises a handle 27, a gun head 28 and a gun barrel 29, one end of the gun barrel 29 is connected with the handle 27, and the other end of the gun barrel 29 penetrates through the support plate 2 and is connected with the main machine 25; in addition, the first sleeve 18 is also provided with a hook 19 for hanging the gun barrel 29, so that the gun barrel 29 can be hung on the hook 19 to prevent the gun barrel 29 from falling. The handle 27 is detachably mounted on the holding device 17, and one end of the gun head 28 is connected with the handle 27, and the other end is arranged downwards. In this embodiment, the clamping device 17 includes a first clamping plate, a second clamping plate and two bolts, the first clamping plate is fixedly connected with the third sleeve 23, and the second clamping plate is arranged opposite to the first clamping plate; the two bolts are arranged at intervals and vertically penetrate through the first clamping plate and the second clamping plate; the two bolts are in threaded connection with the first clamping plate and the second clamping plate, so that the distance between the first clamping plate and the second clamping plate is adjustable; the handle 27 is disposed between the first and second jaws. In further embodiments, the gripping device 17 may be a clip. The foot switch 30 is used for controlling the host computer 25 to work or stop, the foot switch 30 is electrically connected with the host computer 25, and an operator can control the welding machine to work or stop through the foot switch 30, so that the convenience and the safety of welding operation are improved.

As shown in fig. 4, the rocker pin includes a pin shaft 31 and a pin plate 32, and the purpose of the rocker pin welding process is to weld the pin shaft 31 and the pin plate 32 together; the utility model discloses before using, need fix a position horizontal pole 15 and welder 26, the location step is as follows: firstly, adjusting the clamping device 17 to a proper position, so that the gun head 28 of the welding gun 26 is aligned with a rocker pin in the limiting cylinder 13, specifically, the top surface of the pin shaft 31 and the matching position of the top surface of the pin plate 32; then, the first sleeve 18 is locked on the vertical rod 14 by the first locking screw 20; then, the third sleeve 23 is locked on the cross bar 15 through a third locking screw 24; then, adjusting the vertical position of the second sleeve 21 to enable the upper end of the limiting plate 16 to be in contact with the cross rod 15, and locking the second sleeve 21 to the vertical rod 14 through a second locking screw 22; finally, the first locking screw 20 is loosened and the cross bar 15 is successfully positioned.

When the utility model is used, firstly, the cross rod 15 is driven to be far away from the limiting plate 16, and the pin shaft 31 of the rocker pin is put into the limiting cylinder 13 for fixation; then, the pin plate 32 is placed on the upper part of the pin shaft 31 and is matched with the pin shaft 31; then, the driving cross rod 15 is contacted with the limiting plate 16, the positioning is successful, and the welding gun 26 is aligned to the matching position of the pin shaft 31 and the pin plate 32; then, controlling the driving motor 8 and the welding machine to work, and welding the pin shaft 31 and the pin plate 32 by the welding gun 26, wherein the welding positions are connected into a circle; finally, the crossbar 15 is driven away from the limit plate 16 and the rocker pin inside the limit cylinder 13 is taken out.

In order to ensure the stability of the welding quality, the driving motor 8 can be electrically connected with a frequency converter, and the frequency converter is used for adjusting the rotating speed of the driving motor 8; electrically connecting a host 25 of the welding machine with a time relay, wherein the time relay is used for controlling the host 25 to stop working after a set time delay; wherein, the set time delay is as follows: the time required for the welding machine to weld a whole circle on the workpiece is taken by the driving motor 8 at a specific rotating speed; the rotational speeds of the drive motor 8 are different, and the time delay set by the time relay is different.

The utility model is used for welding the rocker pin, and adopts a semi-automatic welding mode, so that the welding gun 26 is not needed to be held by an operator for welding operation, thereby effectively improving the working efficiency of the operator and the welding quality of the rocker pin; meanwhile, the operation danger in the welding process can be effectively reduced; the utility model discloses can bring very big facility for the welding workman, have better popularization meaning.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. A rocker pin welding device, comprising:

2. The rocker pin welding apparatus of claim 1, wherein: the carrier further comprises a protective cover, and the protective cover comprises a cover body and a protective door; the cover body is arranged at the top of the supporting plate and covers the rotating mechanism and the outer side of the positioning bracket, and the front surface of the cover body is of an opening structure; the protection door is arranged on the front face of the cover body, the top of the protection door is in sliding connection with the cover body, and the bottom of the protection door is in sliding connection with the supporting plate.

3. The rocker pin welding apparatus of claim 2, wherein: the protective door is provided with a visible glass window and a handle.

4. The rocker pin welding apparatus of claim 2, wherein: the top of the cover body is provided with an exhaust tube, and the exhaust tube is communicated with the inner cavity of the cover body.

5. The rocker pin welding apparatus of claim 1, wherein: the driving motor is in transmission connection with the driving shaft through a belt.

6. The rocker pin welding apparatus of claim 1, wherein: the driving shaft is rotationally connected with the rack through a first bearing; the transmission shaft is rotatably connected with the supporting plate through a second bearing.

7. The rocker pin welding apparatus of claim 1, wherein: the bottom of the limiting cylinder is detachably connected with the rotary table through a bolt.

8. The rocker pin welding apparatus of claim 1, wherein: the first sleeve is provided with a hook used for being hung on the gun barrel.

9. The rocker pin welding apparatus of claim 1, wherein: the welding machine further comprises a foot switch used for controlling the main machine to work or stop, and the foot switch is electrically connected with the main machine.