CN217317468U

CN217317468U - Electrode cap grinding and shaping machine

Info

Publication number: CN217317468U
Application number: CN202221026112.0U
Authority: CN
Inventors: 刘小平; 燕燕; 朱小星; 刘浩林; 张俊磊
Original assignee: Shanghai Hashida Intelligent Equipment Co ltd
Current assignee: Shanghai Hashida Intelligent Equipment Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-30
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses an electrode cap coping trimmer, include: the motor is used for providing a power source; the transmission assembly comprises a driving wheel and a driven wheel which are in transmission connection, and the output shaft end of the motor is connected with the driving wheel; the grinding mechanism is arranged in the driven wheel and comprises a cutter holder and a cutter arranged in the cutter holder. The cutter adopts embedded structure and assembly from the driving wheel through blade holder, gland, and split type three sword are convenient for install, and simultaneously, long sword and short sword contactless can prolong cutter life.

Description

Electrode cap grinding and shaping machine

Technical Field

The utility model relates to an electrode cap coping technical field especially involves an electrode cap coping trimmer.

Background

On an automatic welding production line, an alloy layer can be burnt, oxidized or precipitated on the surface of an electrode cap in the welding process, so that the electrode cap needs to be polished by polishing equipment, and the welding efficiency is improved.

Most products on the market at present are mainly grinded in a cutting mode, and a surface oxidation layer is removed in a cutting mode, so that the defects that:

1. the whole volume is larger, and the adaptability is poor;

2. the electrode cap has the advantages that single-edge cutting is adopted, single-edge chip removal is realized, blockage and edge breakage are easy, the service life of the electrode cap is short, and the electrode cap is frequently replaced;

3. the cutter is directly welded or connected on the cutter holder and is not easy to replace.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's is not enough, a electrode cap coping trimmer is provided.

The utility model discloses a realize through following technical scheme:

an electrode cap grinding and shaping machine, comprising:

the motor is used for providing a power source;

the transmission assembly comprises a driving wheel and a driven wheel which are in transmission connection, and the output shaft end of the motor is connected with the driving wheel;

the grinding mechanism is arranged in the driven wheel and comprises a cutter holder and a cutter arranged in the cutter holder.

The utility model discloses a further set up to: the motor is a servo motor.

The utility model discloses a further set up to: the transmission assembly further comprises an intermediate wheel, and the intermediate wheel is arranged between the driving wheel and the driven wheel.

The utility model discloses a further set up to: the center part of the driven wheel is provided with a mounting hole for inserting the tool apron.

The utility model discloses a further set up to: the upper end face and the lower end face of the driven wheel are respectively provided with a sinking groove structure, a plurality of connecting holes used for installing a gland are circumferentially arranged on the sinking groove surfaces of the sinking groove structures, the connecting holes are located on the outer sides of the installing holes, and the tool apron is placed in the installing holes and is limited and fixed through the gland.

The utility model discloses a further set up to: and a compression ring is also arranged between the gland and the tool apron.

The utility model discloses a further set up to: shaping cavities are symmetrically arranged on the upper side and the lower side of the cutter holder, and cross-shaped mounting grooves are formed in the center of the cutter holder;

the cutter includes long sword and symmetry set up in the short sword of long sword both sides, long sword with the short sword set up in the mounting groove.

The utility model discloses a further set up to: the upper side and the lower side of the long cutter are symmetrically provided with U-shaped cutter edges, and the grinding blade surfaces of the cutter edges at least comprise shaping bottom cutting surfaces and processing surfaces arranged on two sides of the shaping bottom cutting surfaces; the upper side and the lower side of the short knife are symmetrically provided with operation surfaces in arc-shaped curved surface structures.

The utility model discloses a further set up to: the shaping cavity is a hemispherical cavity, the mounting grooves divide the shaping cavity equally into four containing seats, and chip removal grooves are formed in the containing seats on two opposite corners.

The utility model discloses a further set up to: the transmission assembly is arranged in the transmission seat, and the motor is installed on one side of the transmission seat.

The utility model discloses an electrode cap coping trimmer compares with prior art:

1. the grinding mechanism is integrated in the transmission assembly, the size is small, the adaptability is high, meanwhile, the grinding mechanism and the robot can be highly integrated, the grinding mechanism is installed on a robot base, and a control and robot control system is highly integrated to be used as an N-th axis of the robot and integrated with the robot;

2. the cutter is assembled with the driven wheel by adopting an embedded structure through the cutter holder and the gland, the three split cutters are convenient to install, and meanwhile, the long cutter is not contacted with the short cutter, so that the service life of the cutter can be prolonged;

3. the cutting edge of the cutter is of a curved surface structure and is in line contact or small plane contact with the electrode cap, so that sufficient contact stress is provided for processing;

4. the double rows of chip holes are not easy to block.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is the external structure schematic diagram of the grinding mechanism of the present invention.

Fig. 3 is a first schematic structural diagram of the transmission assembly of the present invention.

Fig. 4 is a schematic structural view of the driven wheel of the present invention.

Fig. 5 is an external structural schematic diagram of the driven wheel of the present invention.

Fig. 6 is a cross-sectional view of fig. 5.

Fig. 7 is a schematic structural view of the sharpening mechanism of the present invention.

Fig. 8 is a top view of the sharpening mechanism of the present invention.

Fig. 9 is a schematic structural view of the knife holder of the present invention.

Fig. 10 is a top view of the knife holder of the present invention.

Fig. 11 is a front view of the long knife of the present invention.

Fig. 12 is a schematic perspective view of the long knife of the present invention.

Fig. 13 is a schematic perspective view of the utility model of a knife.

Fig. 14 is a schematic view of the structure of the electrode cap for representing the machining state.

Fig. 15 is a schematic view of the integrated effect of the robot.

Fig. 16 is a schematic structural diagram of the transmission assembly according to the present invention.

The corresponding part names indicated by the numbers and letters in the drawings:

wherein: 1. a motor; 2. a transmission seat; 3. a transmission assembly; 31. a driving wheel; 32. a driven wheel; 32a, mounting holes; 32b, a connection hole; 32c, sink structure; 32d, a transmission surface; 33. an intermediate wheel; 4. a grinding mechanism; 41. a tool apron; 42. a cutter; 43. a gland; 44. a compression ring; 45. an accommodating seat; 46. a chip groove; 5. an electrode cap; 41a, a shaping cavity; 41b, mounting grooves; 42a, a long knife; 42b, short knife; 42a1, knife edge; 42a11, shaping the bottom section; 42a12, processing surface; 42b1, processing the surface.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore the terms describing the positional relationship in the drawings are only used for illustrative purposes and should not be construed as limitations of the present patent, and specific meanings of the above terms can be understood according to specific situations by those of ordinary skill in the art.

Referring to fig. 1 to 14, an electrode cap dressing and shaping machine includes: the motor 1 is used for providing a power source; the transmission assembly 3 comprises a driving wheel 31 and a driven wheel 32 which are in transmission connection, and the output shaft end of the motor 1 is connected with the driving wheel 31; the sharpening mechanism 4 is disposed in the driven wheel 32, and the sharpening mechanism 4 includes a tool holder 41 and a tool 42 disposed in the tool holder 41. The motor 1 is used for providing a power source for the electrode cap grinding and shaping machine, an output shaft end of the motor 1 is connected with a driving wheel 31 of the transmission assembly 3, the driving wheel 31 is driven to rotate by the rotation of the motor 1, the driving wheel 31 is in transmission connection with a driven wheel 32, as shown in detail in fig. 2 and 3, the driving wheel 31 and the driven wheel 32 are both gears, the driving wheel 31 and the driven wheel 32 are meshed with each other to complete power transmission, the grinding mechanism 4 is arranged in the driven wheel 32, when the motor 1 works, the motor 1 drives the driving wheel 31 and the driven wheel 32 to rotate, the driven wheel 32 drives a cutter 42 in a cutter holder 41 of the grinding mechanism 4 to rotate, and then the electrode cap 5 continuously approaches the cutter 42, so that the electrode cap 5 is ground through the cutter 42, and subsequent resistance welding is facilitated.

Referring to fig. 16, in fig. 16, which is one embodiment of the transmission assembly 3 of the present disclosure, the driving wheel 31 and the driven wheel 32 are connected by a toothed belt.

As a preferred embodiment of the present invention, the motor 1 is a servo motor.

Referring to fig. 2 and 3, the transmission assembly 3 further includes an intermediate wheel 33, and the intermediate wheel 33 is disposed between the driving wheel 31 and the driven wheel 32. The intermediate wheel 33 is a gear, the driving wheel 31 is meshed with the intermediate wheel 33, and the intermediate wheel 33 is meshed with the driven wheel 32, so that transmission is realized.

Referring to fig. 4, the driven wheel 32 has a mounting hole 32a at a central portion thereof for inserting the tool holder 41. As a preferred embodiment of the present invention, the tool holder 41 is in a regular hexagonal prism shape, the mounting hole 32a is a regular hexagonal prism through hole, and the tool holder 41 is inserted into the center of the driven wheel 32, so as to improve the grinding precision of the electrode cap 5; in addition, it should be noted that the driven wheel 32 is a gear with an irregular shape, a transmission surface 32d protrudes from the middle portion of the outer wall of the driven wheel 32, and the transmission surface 32d is a toothed transmission surface and is used for being meshed with the intermediate wheel 33.

Referring to fig. 4 to 6, both the upper and lower end surfaces of the driven wheel 32 are provided with a sunk groove structure 32c, a plurality of connection holes 32b for mounting a pressing cover 43 are circumferentially arranged on the sunk groove surface of the sunk groove structure 32c, the connection holes 32b are located outside the mounting hole 32a, and the tool apron 41 is placed in the mounting hole 32a and is limited and fixed by the pressing cover 43. The gland 43 is an end cover with a T-shaped section, the gland 43 is provided with a fixing hole at a position corresponding to the connecting hole 32b, the fixing hole is used for connecting the gland 43 with the driven wheel 32 by using a fastener, the middle part of the gland 43 is provided with an avoiding hole, and the avoiding hole is used for the electrode cap 5 to extend into; as shown in detail in fig. 6, the driving surface 32d of the outer wall of the driven wheel 32 is sleeved with bearings at the upper and lower sides, and the bearings do not contact with the driving surface 32d and the pressing cover 43.

Referring to fig. 6, a pressing ring 44 is further disposed between the pressing cover 43 and the tool holder 41. Wherein, gland 43 has still seted up spacing hole in the one side that is close to from driving wheel 32, the aperture in spacing hole is greater than dodge the aperture in hole, blade holder 41 inlays to establish to behind mounting hole 32a, all place clamp ring 44 at the upper and lower both ends of blade holder 41 and cutter 42, then gland 43 covers again to clamp ring 44 outside, and gland 43 is fixed with from driving wheel 32 again at last, can realize spacing to blade holder 41 and cutter 42, prevents the drunkenness.

Referring to fig. 7 to 10, the upper and lower sides of the tool apron 41 are symmetrically provided with shaping cavities 41a, and the center is provided with a cross-shaped mounting groove 41 b; the cutter 42 comprises a long cutter 42a and short cutters 42b symmetrically arranged on two sides of the long cutter 42a, and the long cutter 42a and the short cutters 42b are arranged in the mounting groove 41 b. The shaping cavity 41a is used for grinding and shaping the electrode cap 5, and the long knife 42a and the two short knives 42b are distributed in a cross-shaped structure.

Referring to fig. 11 to 13, the long blade 42a is symmetrically provided with a "U" shaped blade 42a1 on both upper and lower sides, and the grinding blade surface of the blade 42a1 at least includes a shaping bottom tangent plane 42a11 and processing surfaces 42a12 arranged on both sides of the shaping bottom tangent plane 42a 11; the upper side and the lower side of the short knife 42b are symmetrically provided with operation surfaces 42b1 which are of arc-shaped curved surface structures. The two short cutters 42b are symmetrically arranged relative to the long cutter 42a, the design of the U-shaped cutting edge 42a1 is convenient for the electrode cap 5 to extend into, the cutting edge 42a1 at least comprises a shaping bottom tangent plane 42a11 and processing surfaces 42a12 on two sides, a first transition curved surface is arranged between the shaping bottom tangent plane 42a11 and the processing surfaces 42a12, and the first transition curved surface realizes smooth transition between the shaping bottom tangent plane 42a11 and the processing surfaces 42a12, so that transition processing of a spherical surface at the end part of the electrode cap 5 and an unprocessed area can be completed; the processing surface 42a12 is a space curved surface with a projection contour matched with the spherical surface of the end part of the electrode cap and an arc-shaped cross section, and is matched with the operation surface 42b1 of the short cutter 42b to complete the processing of the spherical surface of the end part of the electrode cap during work; the arc radiuses of the two processing surfaces 42a12 of the knife edge 42a1 are the same, and the circle center and the spherical center of the electrode cap are located on the same plane, so that the centering precision requirement of an electrode rod can be met, and the deformation condition of the end part of the electrode cap can be met; the working surface 42b1 of the short cutter 42b is used for spherical surface machining of the end part of the electrode cap; the long knife 42a is a rectangular knife; the short cutters 42b are symmetrically arranged along two sides of the central line of the short cutters, the upper end of the operation surface 42b1 is also provided with an upper side arc surface, the upper side arc surface is a cylindrical surface (also can be an inclined surface) inclined at a certain angle, the inclination angle of the upper side arc surface is larger than that of the operation surface 42b1, and the top of the upper side arc surface is a plane and used for limiting; the tail end of the working surface 42b1 is provided with a ridge which participates in the processing of the transition position of the small plane and the spherical surface of the end part of the electrode cap; referring to fig. 14, the electrode cap includes a cylindrical main body, an end spherical surface SR1, an end plane phid 1 (actually, the spherical surface SR2 is small in area and large in radius, and is close to a plane, so that it may be referred to as an end facet), the shaping bottom section 42a11 includes powder guiding surfaces, shaping surfaces are symmetrically arranged at the bottoms of the two sides of the shaping surface, the cross section of the shaping surface is a pointed space curved surface, and the upper surface of the shaping surface is in a circular arc structure; the powder guide surface is an inclined surface and is used for discharging metal powder.

The shaping cavity 41a is a hemispherical cavity, the mounting grooves 41b divide the shaping cavity 41a into four accommodating seats 45, and chip grooves 46 are formed in the accommodating seats 45 at two opposite corners. The hemispherical shaping cavity 41a is adapted to the overall shape of the electrode cap 5, the mounting grooves 41b divide the shaping cavity 41a into four accommodating seats 45, and the mounting grooves 41b are used for mounting the long knife 42a and the short knife 42b so as to meet the requirement of centering accuracy of the electrode cap and the motor rod. Chip grooves 46 are formed in two accommodating seats 45, chip removal effects can be achieved to a large extent through the two chip grooves 46 arranged diagonally, blockage cannot be caused easily, and the chip grooves 46 are rectangular chip grooves as a preferred scheme, and of course, the chip grooves 46 can be in other shapes. As shown in detail in fig. 10, the bottom surfaces of the other two opposite corners of the accommodating seats 45 extend to form plane extending ends, the plane extending ends are in contact with the short blades 42b and are used for limiting the short blades 42b, and it should be noted that the height of the reshaping bottom tangent plane 42a11 of the long blades 42a and the height of the tail end of the working plane 42b1 of the short blades 42b are both higher than the height of the plane extending ends, so that the direct contact between the electrode cap and the tool holder 41 in the machining process can be avoided, and the service life can be prolonged; in addition, the length of the plane extension end is less than the thickness of the short blade 42b, so that the arrangement is favorable for chip removal; in addition, the long blade 42a and the short blade 42b are not in contact with each other, so that the service lives of the long blade 42a and the short blade 42b can be effectively prolonged. The cross section of the shaping bottom section 42a11 is of a pointed curved surface structure, and the upper surface of the shaping bottom section 42a11 is designed according to the shape of an electrode cap and is designed into a circular arc shape. The projection profile of the curved surface of the shaping bottom section 42a11 is matched with the end face facet of the electrode cap, and the end face facet of the electrode cap can be machined during working. Taking the upper half part of the cutter 42 as an example, the height of the ridge line of the working surface 42b1 of the short cutter 42b is higher than the height of the bottom surface of the processing surface 42a12, and the height of the ridge line of the working surface 42b1 is higher than the height of the upper surface of the shaping undercut surface 42a12, when the electrode cap 5 is ground, the short cutter 42b is firstly contacted, the deposited layer on the surface of the electrode cap is removed by the short cutter 42b, then the electrode cap 5 is descended by applying pressure to the electrode holder, and the electrode cap 5 is processed by the inner long cutter 42a and the short cutter 42b, so that the surface is smooth and finished, higher surface quality is provided, and the requirements of smoothness and smoothness are ensured.

Referring to fig. 1, the transmission assembly 3 is disposed in the transmission base 2, and the motor 1 is mounted on one side of the transmission base 2. The transmission assembly 3 is arranged in the transmission seat 2, so that the integration level is high, and meanwhile, the transmission assembly 3 can be prevented from being exposed outside.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides an electrode cap coping trimmer which characterized in that includes:

a motor (1) for providing a power source;

the transmission assembly (3) comprises a driving wheel (31) and a driven wheel (32) which are in transmission connection, and the output shaft end of the motor (1) is connected with the driving wheel (31);

the grinding mechanism (4) is arranged in the driven wheel (32), and the grinding mechanism (4) comprises a cutter holder (41) and a cutter (42) arranged in the cutter holder (41).

2. The electrode cap grinding and shaping machine according to claim 1, wherein: the motor (1) is a servo motor.

3. The electrode cap grinding and shaping machine according to claim 1 or 2, wherein: the transmission assembly (3) further comprises an intermediate wheel (33), and the intermediate wheel (33) is arranged between the driving wheel (31) and the driven wheel (32).

4. The electrode cap grinding and shaping machine according to claim 1, wherein: the driven wheel (32) has a mounting hole (32a) in the center thereof, into which a tool holder (41) is inserted.

5. The electrode cap grinding and shaping machine according to claim 4, wherein: the upper end face and the lower end face of the driven wheel (32) are provided with sunk groove structures (32c), a plurality of connecting holes (32b) used for installing a gland (43) are circumferentially arranged on the sunk groove faces of the sunk groove structures (32c), the connecting holes (32b) are located on the outer side of the installing hole (32a), and the tool apron (41) is placed in the installing hole (32a) and is limited and fixed through the gland (43).

6. The electrode cap grinding and shaping machine according to claim 5, wherein: and a pressing ring (44) is also arranged between the pressing cover (43) and the tool apron (41).

7. The electrode cap grinding and shaping machine according to claim 1, wherein: shaping cavities (41a) are symmetrically arranged on the upper side and the lower side of the cutter holder (41), and a cross-shaped mounting groove (41b) is formed in the center;

the cutter (42) comprises a long cutter (42a) and short cutters (42b) symmetrically arranged on two sides of the long cutter (42a), and the long cutter (42a) and the short cutters (42b) are arranged in the mounting groove (41 b).

8. The electrode cap grinding and shaping machine according to claim 7, wherein: the upper side and the lower side of the long knife (42a) are symmetrically provided with U-shaped knife edges (42a1), and the grinding blade surface of the knife edge (42a1) at least comprises a shaping bottom tangent plane (42a11) and processing surfaces (42a12) arranged on two sides of the shaping bottom tangent plane (42a 11); the upper side and the lower side of the short knife (42b) are symmetrically provided with an operating surface (42b1) with an arc-shaped curved surface structure.

9. The electrode cap grinding and shaping machine according to claim 7, wherein: the shaping cavity (41a) is a hemispherical cavity, the mounting grooves (41b) divide the shaping cavity (41a) into four accommodating seats (45), and chip grooves (46) are formed in the accommodating seats (45) on two opposite corners.

10. The electrode cap grinding and shaping machine according to claim 1, wherein: the transmission assembly (3) is arranged in the transmission seat (2), and the motor (1) is installed on one side of the transmission seat (2).