CN214602728U

CN214602728U - Pen holder mounted on robot welding gun

Info

Publication number: CN214602728U
Application number: CN202120734595.9U
Authority: CN
Inventors: 程文锋; 王耀军; 刘双耀
Original assignee: Zhejiang Institute of Mechanical and Electrical Engineering Co Ltd
Current assignee: Wenzhou Geyu Craft Gift Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-11-05
Anticipated expiration: 2031-04-12

Abstract

The utility model provides a adorn pen holder on robot welder, includes pen holder main part, fastening screw, fastening square nut, tooth form rubber packing ring and large-size clip, be equipped with the welder hole that is used for installing the welder rifle head on the left part of pen holder main part, the lower part in welder hole is the toper type for laminate the conical surface of welder rifle head completely, and its upper portion is cylindrical, and it has the annular mounting groove that is used for installing tooth form rubber packing ring to open in the cylindrical hole, is equipped with square nut groove in this annular mounting groove to the front at the annular mounting groove still is equipped with fastening screw hole, be equipped with a mounting hole and the clip support column that is used for large-size clip to support on the right part of pen holder main part. The utility model provides a adorn a holder on robot welding gun can fix the pen of different thicknesses on welding gun for the robot can write and can draw, has expanded welding robot's function, and this holder is adorned a back moreover, inverts and can regard as a very good top instrument.

Description

Pen holder mounted on robot welding gun

Technical Field

The utility model belongs to the technical field of industrial robot application technique and specifically relates to a adorn a holder on robot welding gun.

Background

Along with the continuous deepening of the application of the industrial robot, the demand of the robot application talents is increased rapidly, and industrial robot major is newly opened in various universities and vocational universities to build industrial robot application centers. Since welding is the largest field of application of robots, a large number of robotic workstations tasked with welding are being built up.

The robot workstation taking the carrying as the main function is provided with a quick-change tool, tools such as clamping jaws, a glue gun, a sucker, a pen, a grinding head and detection can be conveniently replaced, so that a robot can do a lot of things, and in the teaching process, the robot workstations can design a lot of experimental practical training contents. But welding robot is not feasible, and various welder is all installed to welding robot end instrument, and welder has the welding wire to connect and send a machine and wire reel again, and the instrument is fixed completely, and inconvenient change and dismantlement so welding robot just has a function of welding, can not carry, can not the rubber coating, also can not write and draw, and fixed instrument has restricted welding robot's service function, has reduced welding robot teaching equipment's utilization ratio.

Disclosure of Invention

In order to overcome the defect that prior art exists, the utility model provides a adorn a holder on robot welding gun can fix the pen of different thicknesses on welding gun for the robot can write and can draw, has expanded welding robot's function, and this holder is adorned after the pen in addition, on the inverted placement workstation, let the nib up, can regard as a very good top instrument, can be used to rectify the TCP point of robot instrument, the precision can be accomplished within 0.2 mm.

The utility model provides a technical scheme that its technical problem adopted is:

a pen holder installed on a robot welding gun comprises a pen holder main part, a fastening screw, a fastening square nut, a tooth-shaped rubber washer and a large-size clamp, wherein a welding gun hole used for installing a welding gun head is formed in the left part of the pen holder main part, the lower part of the welding gun hole is conical and is used for completely adhering to a conical surface of the welding gun head, the upper part of the welding gun hole is cylindrical, an annular installation groove used for installing the tooth-shaped rubber washer is formed in the cylindrical hole, a square nut groove used for installing the fastening square nut is formed in the annular installation groove, a fastening screw hole is further formed in the front face of the annular installation groove, the square nut groove is communicated with the fastening screw hole and the annular installation groove, the tooth-shaped rubber washer is sleeved on the welding gun head, the fastening screw penetrates through the fastening screw hole and is connected with the fastening square nut, and the tail end of the fastening screw abuts against the tooth-shaped rubber washer;

the utility model discloses a pen holder, including pen holder main part, clip support column, pen holder main part, clip support column and pen, be equipped with the pen mounting hole that is used for installing the pen and be used for the clip support column that large-size clip supported on the right part of pen holder main part, be equipped with the fretwork between the left part of clip support column and pen holder main part, a mounting hole and fretwork intercommunication, the pen inserts in the pen mounting hole, and clip support column and pen are cliied simultaneously to large-size clip.

Further, the pen mounting hole is a cam-shaped through hole formed by tangency of two circles with the diameters of 16mm and 12 mm.

Furthermore, the cross section of the clamp support column is triangular, the two inclined planes are retracted inwards, and the inclined included angle is consistent with the two clamping surfaces of the large clamp.

Furthermore, the height of the clip support column is 52mm, the width of the annular mounting groove is 10mm, the depth of the annular mounting groove is 1mm, and the length of the square nut groove is 12mm multiplied by 6 mm.

The beneficial effects of the utility model are that:

(1) the pen holder is arranged on a welding gun of the welding robot, so that the training content can be greatly increased, the robot can be taught to walk out various tracks such as straight lines, arcs, spline curves and the like, the interestingness and the ornamental value are enhanced, and creative works in calligraphy and painting can be drawn by the welding robot;

(2) the pen holder can directly hold pens with various thicknesses, the diameter range of the pen holder is 6mm-16mm, thinner pens can be held, and only the pen holder needs to be slightly wrapped;

(3) the large-size clamp with the width of 50mm is adopted, the clamping force is strong, when a pen is clamped, two side edges of the clamp body and the inner wall of a pen hole of the main part of the clamp holder form a firm and symmetrical three-side surrounding structure, and a strong clamping area with the length of 50mm is formed in total, so that the pen is firmly clamped and cannot shake left and right;

(4) the pen holder is very convenient to mount and dismount, a welding gun hole of the holder is sleeved on a welding gun head, a fastening screw can be screwed down by hands, then the clip is pinched open by one hand, a pen holder is inserted to a proper height from top to bottom, a pen can be clamped by loosening the clip, and the height of the pen holder is very convenient to adjust;

(5) the pen holder has flat top and bottom surfaces, can be stably placed on a platform, and can be used as a tip tool of a robot correction tool TCP point by placing a pen point upwards on a robot welding platform after a pen is loaded;

(6) the pen is added on the welding gun, so that the use and training functions of the welding robot are expanded, the welding robot is not limited to welding application any more, the equipment utilization rate of a welding robot workstation is improved, and the learning effect of basic robot training by adopting the welding robot is also improved;

(7) after the pen holder is loaded with a pen, the pen holder is inversely arranged on the workbench, the pen point is upward, the pen holder can also be used as a calibration tool of a robot tool TCP point, the calibration precision can be smaller than 0.2mm, and the pen holder is not inferior to a professional tip tool, and is very convenient.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a schematic rear 45-degree angled configuration of the pen holder main part.

Fig. 3 is a schematic front 45-degree angled configuration of the pen holder main part.

Fig. 4 is a front view of the pen holder main part.

Fig. 5 is a top view of the pen holder main part.

FIG. 6 is a schematic view of the hole locations of the main part of the pen holder.

Fig. 7 is a top view of fig. 6.

Fig. 8 is a left side view of fig. 6.

Fig. 9 is a right side view of fig. 6.

Fig. 10 is a schematic view of the present invention mounted on a welding gun.

Fig. 11 is a rear view of fig. 10.

Fig. 12 is a side view of fig. 10.

Fig. 13 is a schematic view of the writing tool of the welding robot of the present invention.

Fig. 14 is a schematic diagram of the present invention as a tip tool calibrating robot tool TCP point.

Detailed Description

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

Referring to fig. 1 to 14, a pen holder mounted on a robot welding gun comprises a pen holder main part 6, a fastening screw 4, a fastening square nut 5, a tooth-shaped rubber washer 3 and a large-size clamp 7, wherein a welding gun hole b for mounting a gun head of a welding gun 1 is formed in the left part of the pen holder main part 6, the lower part of the welding gun hole b is conical and is used for completely fitting a conical surface of the gun head of the welding gun, the upper part of the welding gun hole b is cylindrical, an annular mounting groove e for mounting the tooth-shaped rubber washer 3 is formed in the cylindrical hole, a square nut groove d for mounting the fastening square nut 5 is formed in the annular mounting groove e, a fastening screw hole c is further formed in the front surface of the annular mounting groove e, the square nut groove d is communicated with the fastening screw hole c and the annular mounting groove e, the tooth-shaped rubber washer 3 is sleeved on the gun head of the welding gun, the fastening screw 4 passes through the fastening screw hole c and is connected with the fastening square nut 5, the tail end of the fastening screw abuts against the tooth-shaped rubber gasket;

be equipped with the clip support column f that is used for installing a pen mounting hole an of pen and is used for large-size clip to support on the right part of pen holder main part 6, be equipped with the fretwork between the left part of clip support column f and pen holder main part 6, a mounting hole an and fretwork intercommunication, in the pen insertion pen mounting hole an, clip support column f and pen 2 are cliied simultaneously to large-size clip 7.

As shown in fig. 1, a fastening screw 4, a fastening square nut 5, a tooth-shaped rubber washer 3, a large-size clip 7 and a pen 2 are all installed on a pen holder main part 6, the fastening screw 4 is matched with the fastening square nut 5 and used for fastening the pen holder on a gun head of a welding gun 1, the tooth-shaped rubber washer 3 is installed between the fastening square nut 5 and the gun head of the welding gun 1 and used for preventing the gun head from being worn by the screw and increasing friction force between the gun head and the inner wall of an installation hole, so that the pen holder cannot easily rotate around the welding gun, and the large-size clip 7 is fixed on a triangular clip support column f and used for clamping a writing pen.

As shown in fig. 6 to 9, the lower part of the welding gun hole b is conical, the conical surface of the welding gun head is completely attached, the upper part of the welding gun hole b is cylindrical, the diameter of the hole is 23mm, an annular mounting groove e with the width of 10mm and the depth of 1mm is formed in the position 8mm away from the top surface in the cylindrical hole, the annular mounting groove e is used for mounting a tooth-shaped rubber gasket 3, the tooth-shaped rubber gasket 3 can prevent a fastening screw from wearing the welding gun, the friction force between the inner wall of the hole and the welding gun head can be increased, and the pen holder can be mounted on the welding gun more firmly. The front surface of the annular mounting groove e is also provided with a fastening screw hole c with the diameter of 4mm, a square nut groove d with the length multiplied by the width of 12mm multiplied by 6mm is arranged in the annular mounting groove e, the fastening screw 4 adopts a hand-screwed screw, and tools such as a screwdriver and the like are not needed during fastening. The pen mounting hole a adopts a cam-shaped through hole formed by tangency of two circles with the diameter of 16mm and the diameter of 12mm, so that the mounting space of a pen is expanded, the radian of a penholder supporting arc surface in the hole is properly increased, the penholder can be clamped more tightly, and the position of the penholder sliding in the hole is not easy to occur. The height of the clamp supporting column f with the triangular section is 52mm, the two inclined planes are retracted inwards, the inclined included angle is consistent with the two clamping surfaces of the clamp, the large clamp 7 can be fixed, and the large clamp 7 can be completely closed.

As shown in fig. 10 to 12, the mounting steps are very simple, the first: sleeving a welding gun hole of the pen holder on a gun head of a welding gun 1, and adjusting the position and the direction; the second step is that: the fastening screw 4 is screwed down by hand, and the pen holder main part 6 is installed; the third step: the large-size clamp 7 is pinched open, the penholder is inserted into the pen mounting hole, and the height of the pen is adjusted; the fourth step: and the large-size clamp 7 is loosened, so that the pen holder is firmly clamped and clings to the arc-shaped inner wall of the pen mounting hole. The step of detaching the pen holder from the welding gun is also very simple, and the pen holder can be gently removed from the gun head direction by unscrewing the fastening screw 4 by hand. After clamping, the height position of the pen can be conveniently adjusted.

As a robot writing tool, a pen holder is mounted on a welding gun of a welding robot, enabling the welding robot to be used for writing and drawing, as shown in fig. 13.

As a tip tool, the pen holder is placed upside down on the table for correcting the TCP point of the robot tool, as shown in fig. 14.

The existing welding robot is provided with a fixed welding gun, and a wire feeder and a wire reel are connected through a welding wire. The welding robot has the inconvenient disassembly of the welding gun, and the robot can only be used for welding. The utility model discloses the dress that can be convenient need not dismantle welder on welder, just can become welder and write the pen that can draw always. With the pen, the function of the welding robot is greatly increased, and the track of the robot can be drawn on paper, so that the precision and the posture of the track can be conveniently researched.

The utility model discloses a hand is twisted fastening screw 4, does not need extra instrument can be fixed in on the welder rifle head to the pen holder. The root diameter of the screw rod is slightly thin and has no thread, so that the screw is not easy to loosen and fall. A square nut groove d is designed in the welding gun hole, so that when the fastening screw 4 is screwed down, the fastening square nut 5 is guaranteed to be clamped in the groove and not to rotate along with the screw. The pen holder main part has an ingenious structure, the welding gun hole is divided into two sections, the lower section is conical, the upper section is cylindrical, and the shape of the gun head of the welding gun is completely fitted. The pen mounting hole a of the pen holder is a cam-shaped through hole formed by two circles with different sizes in a tangent mode, the small round hole outwards expands the pen mounting space, the arc surface with the radian being relatively large is formed on the clip supporting column, the contact surface between the pen and the inner wall of the hole is increased, and the pen holder is guaranteed to have enough clamping degree. The clamp support column adopts a triangular structure, the inclination angles of the two inclined planes are consistent with those of the two inclined planes in a closed state of the clamp, and the inclination angle is 68 degrees. The pen mounting hole is completely hollowed within the range of 52mm at the clip mounting position, so that a complete moving space of the clip is ensured. The pen holder is not limited in upper and lower positions, the pen holder is fixed to be completely leaned on the friction force of the approximate triangular surrounding area formed by the two sides of the clamp and the arc-shaped inner wall of the supporting column to the pen holder, and in case that the pen point excessively touches the table top, the pen holder can overcome the friction force to retreat backwards, so that the pen clamp and the pen are not damaged. The upper space and the lower space of the large-size clamp 7 are respectively provided with a clamp supporting column connecting layer with the thickness of 8mm, so that the connecting strength and the rigidity required by the pen holder are ensured.

Besides the pen, other strip-shaped detection components can be installed in the pen installing hole of the pen holder, such as a displacement sensor and the like, so that the function of the welding robot is further expanded, and the multifunctional pen holder is multifunctional.

The utility model discloses exert very big effect at robot teaching in-process, ability greatly increased student's study enthusiasm improves the real teaching effect who instructs of robot, has also improved welding robot teaching equipment's utilization ratio greatly for welding robot no longer only is used for the exercise in the aspect of the welding, can also be used for in the basic training teaching of robot.

Claims

1. A pen holder for mounting on a robotic welding gun, comprising: the novel pencil holder is characterized by comprising a pencil holder main part, a fastening screw, a fastening square nut, a tooth-shaped rubber washer and a large-size clip, wherein a welding gun hole for mounting a welding gun head is formed in the left part of the pencil holder main part, the lower part of the welding gun hole is conical and is used for completely fitting a conical surface of the welding gun head, the upper part of the welding gun hole is cylindrical, an annular mounting groove for mounting the tooth-shaped rubber washer is formed in the cylindrical hole, a square nut groove for mounting the fastening square nut is formed in the annular mounting groove, a fastening screw hole is formed in the front face of the annular mounting groove, the square nut groove is communicated with the fastening screw hole and the annular mounting groove, the tooth-shaped rubber washer is sleeved on the welding gun head, the fastening screw penetrates through the fastening screw hole to be connected with the fastening square nut, and the tail end of the fastening screw abuts against the tooth-shaped rubber washer;

2. A pen holder for mounting on a robotic welding gun, as defined in claim 1, wherein: the pen mounting hole is a cam-shaped through hole formed by tangency of two circles with the diameters of 16mm and 12 mm.

3. A pen holder for mounting on a robotic welding gun as defined in claim 1 or 2, wherein: the cross section of the clamp support column is triangular, the two inclined planes are retracted inwards, and the inclined included angle is consistent with the two clamping surfaces of the large clamp.

4. A pen holder for mounting on a robotic welding gun as defined in claim 1 or 2, wherein: the height of the clamp supporting column is 52mm, the width of the annular mounting groove is 10mm, the depth of the annular mounting groove is 1mm, and the length of the square nut groove is 12mm multiplied by 6 mm.