Grinding and shaping cutter

Abstract

The embodiment of the utility model provides a coping and shaping cutter. The coping and shaping cutter comprises a blade, the blade comprises a blade body and a protruding part. The protruding part is arranged on one side of the blade body. A flow guide groove is formed in the first end face of the blade body, and an arc-shaped blunt edge and an arc-shaped sharp edge are arranged on the arc-shaped curved end face of the blade body. The arc sharp edge is adjacent to the arc blunt edge, and the arc blunt edge is located on the side adjacent to the protruding part. The first end face is adjacent to the end face where the arc-shaped sharp edge is located, and the included angle between the end face where the bevel edge, adjacent to the arc-shaped sharp edge, of the diversion trench and the end face where the arc-shaped sharp edge is located is an acute angle. According to the embodiment of the utility model, the included angle between the end face where the bevel edge of the diversion trench adjacent to the arc sharp edge is located and the end face where the arc sharp edge is located is the acute angle, so that the sharpness of the cutter can be increased, copper cuttings are smoothly discharged from the diversion trench after being rapidly cut off and falling off, and the accumulation of the copper cuttings is avoided so as to improve the smoothness of the end face of the cut electrode cap.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to a grinding and shaping tool. Background Art

[0002] Electrode caps are a type of welding electrode used in resistance welding equipment. They are typically made of chromium-zirconium copper or dispersed copper. After a certain number of welds (typically 30-50 points), the end faces deform and wear, necessitating milling or replacement. Therefore, to save production costs, many manufacturers are recycling used electrode caps and re-die-casting them into new ones for reuse.

[0003] However, after recycling and recasting, the electrode cap contains other metal impurities left over from the previous spot welding process. These impurities are die-casted together with the electrode cap material in the form of blocks or flakes, forming an alloy with a higher hardness than the electrode cap material. The internal connection strength of the alloy is also higher than the external connection strength. Therefore, this high-hardness alloy is easily pushed off or dragged in a circular manner during milling due to the radial cutting force of the tool, the axial force of the welding clamp, and irregular vibration. This causes large, nearly circular pits to form on the surface of the electrode cap, making the electrode cap unfit for welding.

[0004] Furthermore, the detached high-hardness alloy is not completely cut into needles, but rather bulky flakes that are difficult to remove, thus accumulating at the cutting site. Consequently, during cutting, the electrode cap forms ridges extending from the center of the end face to the circumference of the end face, preventing the electrode cap from achieving the desired shape for welding. Summary of the Invention

[0005] The embodiment of the utility model provides a grinding and shaping tool, which aims to solve the problem in the prior art that when recycled electrode caps are recast, a large amount of copper chips are accumulated at the cutting position, causing circular pits or ridges to form on the end surface of the electrode cap.

[0006] An embodiment of the present utility model provides a grinding and shaping tool, comprising a blade; the blade comprises a blade body and a raised portion; the raised portion is arranged on one side of the blade body; a guide groove is provided on the first end face of the blade body, and an arc blunt edge and an arc sharp edge are provided on the end face of the blade body which is an arc-shaped curved surface; the arc sharp edge is adjacent to the arc blunt edge, and the arc blunt edge is located on the side adjacent to the raised portion; the first end face is adjacent to the end face where the arc sharp edge is located, and the angle between the end face where the oblique side of the guide groove adjacent to the arc sharp edge is located and the end face where the arc sharp edge is located is an acute angle.

[0007] In some embodiments, the arc-shaped end face of the blade body includes a second end face and a third end face; the second end face and the third end face are both adjacent to the first end face, and the third end face is symmetrically arranged with the second end face; a first circular arc blunt edge and a first circular arc sharp edge are arranged on the second end face, and the first circular arc blunt edge and the first circular arc sharp edge are arranged along the edge of the same side of the second end face; a second circular arc blunt edge and a second circular arc sharp edge are arranged on the third end face, and the second circular arc blunt edge and the second circular arc sharp edge are arranged along the edge of the same side of the third end face.

[0008] In some embodiments, a vertical cross-section of the blade body at one end away from the protrusion is smaller than a vertical cross-section of the protrusion.

[0009] In some embodiments, a first screw hole is provided on the blade body; the first screw hole is provided between the guide groove and the protrusion.

[0010] In some embodiments, a first tool holder and a screw are further included; the first tool holder includes a first tool holder body, a first groove, a snap-on through hole and a second screw hole; the first groove, the snap-on through hole and the second screw hole are all arranged on the first tool holder body; the protrusion is adapted to the first groove; the second screw hole is opposite to the first screw through hole, and the screw is passed through the first screw through hole and adapted to the second screw hole.

[0011] In some embodiments, the first tool holder further includes a trapezoidal buckle; the trapezoidal buckle is adapted to the buckle through hole to achieve the fixation and disassembly of the first tool holder body.

[0012] In some embodiments, a second tool holder and a plurality of screws are further included; the second tool holder includes an upper tool holder and a lower tool holder; the upper tool holder is fixed to the first end face of the lower tool holder by the plurality of screws.

[0013] In some embodiments, the upper tool holder includes an upper tool holder body, a plurality of first screw through holes and an upper groove; the plurality of first screw through holes and the upper groove are both arranged on the upper tool holder body.

[0014] In some embodiments, the lower knife seat includes a lower knife seat body, a plurality of second screw through holes and a lower groove; the plurality of second screw through holes and the lower groove are all arranged on the lower knife seat body; the lower groove is opposite to the upper groove; the plurality of second screw through holes is equal to the number of the plurality of first screw through holes, and the plurality of second screw through holes are opposite to the plurality of first screw through holes; the plurality of screws are passed through the plurality of second screw through holes and the plurality of first screw through holes to fix the upper knife seat body and the lower knife seat body.

[0015] In some embodiments, the protrusion is respectively adapted to the upper groove and the lower groove, wherein one side of the protrusion is snapped into the upper groove, and the other side of the protrusion is snapped into the lower groove.

[0016] The present invention provides a grinding and shaping tool, which includes a blade, the blade including a blade body and a raised portion; the raised portion is arranged on one side of the blade body; a guide groove is arranged on the first end face of the blade body, and a circular arc blunt edge and a circular arc sharp edge are arranged on the end face of the blade body in an arc-shaped curved surface; the circular arc sharp edge is adjacent to the circular arc blunt edge, and the circular arc blunt edge is located on the side adjacent to the raised portion; the first end face is adjacent to the end face where the circular arc sharp edge is located, and the angle between the end face where the guide groove and the oblique edge adjacent to the circular arc sharp edge are located and the end face where the circular arc sharp edge is located is an acute angle. In the embodiment of the present invention, the angle between the end face where the guide groove and the oblique edge adjacent to the circular arc sharp edge are located and the end face where the circular arc sharp edge is located is an acute angle, which can increase the sharpness of the tool, so that copper chips are quickly cut off and smoothly discharged from the guide groove, avoiding the accumulation of copper chips to improve the smoothness of the end face of the cut electrode cap. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 A schematic structural diagram of a blade body in a grinding and shaping tool provided in an embodiment of the present utility model;

[0019] Figure 2 An exploded schematic diagram of an embodiment of a grinding and shaping tool provided by an embodiment of the present utility model;

[0020] Figure 3 A schematic side view of the structure of a blade body in a grinding and shaping tool provided by an embodiment of the utility model;

[0021] Figure 4 A schematic diagram of the structure of the electrode cap and the grinding and shaping tool provided in an embodiment of the utility model;

[0022] Figure 5 A schematic structural diagram of an embodiment of a grinding and shaping tool provided by an embodiment of the present utility model;

[0023] Figure 6 An exploded schematic diagram of another embodiment of a grinding and shaping tool provided by an embodiment of the utility model. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] It will be understood that when used in this specification and the appended claims, the terms “comprises” and “comprising” indicate the presence of described features, integers, steps, operations, elements and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or groups thereof.

[0026] It should also be understood that the terms used in this utility model specification are only for the purpose of describing specific embodiments and are not intended to limit the utility model. As used in this utility model specification and the appended claims, the singular forms "a", "an" and "the" are intended to include plural forms unless the context clearly indicates otherwise.

[0027] It should be further understood that the term “and / or” used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0028] See also Figures 1 to 6 , Figure 1 A schematic structural diagram of a blade body in a grinding and shaping tool provided in an embodiment of the present utility model; Figure 2 An exploded schematic diagram of an embodiment of a grinding and shaping tool provided by an embodiment of the present utility model; Figure 3 A schematic side view of the structure of a blade body in a grinding and shaping tool provided by an embodiment of the utility model; Figure 4 A schematic diagram of the structure of the electrode cap and the grinding and shaping tool provided in an embodiment of the utility model; Figure 5 A schematic structural diagram of an embodiment of a grinding and shaping tool provided by an embodiment of the present utility model; Figure 6 An exploded schematic diagram of another embodiment of a grinding and shaping tool provided by an embodiment of the utility model.

[0029] See again Figures 1 to 6The grinding and shaping tool provided by the embodiment of the present invention includes a blade 100; the blade 100 includes a blade body 110 and a raised portion 120; the raised portion 120 is arranged on one side of the blade body 110; a guide groove 111 is provided on the first end face of the blade body 110, and an arc blunt edge 112 and an arc sharp edge 113 are provided on the end face of the blade body 110 that is an arc-shaped curved surface; the arc sharp edge 113 is adjacent to the arc blunt edge 112, and the arc blunt edge 112 is located on the side adjacent to the raised portion 120; the first end face is adjacent to the end face where the arc sharp edge 113 is located, and the angle between the end face where the oblique side of the guide groove 111 and the arc sharp edge 113 adjacent to the arc sharp edge 113 is located and the end face where the arc sharp edge 113 is located is an acute angle.

[0030] In this embodiment, the raised portion 120 is provided on the side of the blade body 110 where the vertical cross-section of the arc-shaped surface is larger, and the guide groove 111 is provided on the side of the blade body 110 where the vertical cross-section of the arc-shaped surface is smaller. Unlike the blade 100 in the prior art for sharpening and shaping tools, the blade 100 in the embodiment of the present application is provided with a guide groove 111 on the first end face. The first end face where the guide groove 111 is located is adjacent to the end face where the arc-shaped edge 113 is located, and the angle between the end face where the beveled edge adjacent to the arc-shaped edge 113 and the end face where the arc-shaped edge 113 is located is acute. By providing an acute angle between the end face where the beveled edge adjacent to the arc-shaped edge 113 and the end face where the arc-shaped edge 113 is located, the sharpness of the tool can be increased, and copper chips can be quickly cut off by the blade, thereby reducing the circular drag of copper chips at the cutting site, thereby reducing damage to the finish of the electrode cap end face and improving the cutting quality. At the same time, the increase in tool sharpness reduces the extrusion force provided by the welding clamp during milling to maintain the milling volume unchanged. The reduction in the extrusion force of the welding clamp reduces the probability of copper chips falling off.

[0031] Specifically, for the electrode cap 600 that needs to be recast after recycling, the grinding and shaping tool rotates forward according to the shaping signal, and the electrode cap 600 closes toward the center of the tool. At this time, the grinding and shaping tool in the embodiment of the present application clamps the electrode cap 600. The clamping force exerted by the grinding and shaping tool on the electrode cap 600 causes the arc blunt edge 112 on the blade body 110 to contact and squeeze the electrode cap 600, thereby causing the arc sharp edge 113 on the blade body 110 to contact and mill the end face of the electrode cap 600. While the grinding and shaping tool is continuously rotating forward, the end face of the blade body 110 is used to extrude the electrode cap 600 at high speed through the arc-shaped curved surface, so that the extrusion portion changes in the forward direction, thereby achieving milling of the end face and arc surface of the conical electrode cap 600. Furthermore, because the first end surface of the blade body 110 is provided with a guide groove 111, waste cuttings such as copper chips formed at the cutting position can be quickly discharged from the guide groove 111 under the action of the centrifugal force generated by the clockwise rotation of the grinding and shaping tool. The falling chips leave the cutting position along the chip guide groove under the action of the centrifugal force generated by the rotation and are quickly discharged, improving the smoothness of the cutting process, preventing the accumulation of tin chips at the cutting position and the occurrence of uncut copper chips. This significantly reduces fluctuations in the instantaneous cutting amount of the tool, avoids the formation of ridges from the center to the circumference of the end surface of the electrode cap 600, and improves the cutting quality.

[0032] In one embodiment, if Figure 1 as well as Figure 4 As shown, the arc-shaped end face of the blade body 110 includes a second end face and a third end face; the second end face and the third end face are both adjacent to the first end face, and the third end face is symmetrically arranged with the second end face; the second end face is provided with a first circular arc blunt edge and a first circular arc sharp edge, and the first circular arc blunt edge and the first circular arc sharp edge are arranged along the edge of the same side of the second end face; the third end face is provided with a second circular arc blunt edge and a second circular arc sharp edge, and the second circular arc blunt edge and the second circular arc sharp edge are arranged along the edge of the same side of the third end face.

[0033] In this embodiment, the blade body 110 is provided with two symmetrical arcuate surfaces, namely the second end face and the third end face. Both the second end face and the third end face are provided with an arc-shaped sharp edge 113 and an arc-shaped blunt edge 112. Specifically, the second end face is provided with a first arc-shaped blunt edge and a first arc-shaped sharp edge. The first arc-shaped blunt edge and the first arc-shaped sharp edge are arranged along the same edge of the second end face, and the first arc-shaped sharp edge is located on the side facing away from the raised portion 120. The third end face is provided with a second arc-shaped blunt edge and a second arc-shaped sharp edge. The second arc-shaped blunt edge and the second arc-shaped sharp edge are arranged along the same edge of the third end face, and the second arc-shaped sharp edge is located on the side facing away from the raised portion 120. The first arc-shaped blunt edge and the second arc-shaped blunt edge are opposite each other, and the first arc-shaped sharp edge and the second arc-shaped sharp edge are opposite each other. The interaction between the arc-shaped blunt edge 112 and the arc-shaped blunt edge can improve the accuracy and efficiency of the tool's cutting and grinding of the electrode cap 600.

[0034] Specifically, the working principle of cutting and grinding the electrode cap 600 on the second end face is used as an example to illustrate. After receiving the shaping signal, the grinding and shaping tool rotates forward and clamps the electrode cap 600. The electrode cap 600 is closed toward the center of the grinding and shaping tool. The clamping force exerted by the grinding and shaping tool on the electrode cap 600 causes the first arc blunt edge on the blade body 110 to contact and squeeze the electrode cap 600. Under the action of the first arc blunt edge contacting and squeezing the electrode cap 600, the first arc sharp edge adjacent to the first arc blunt edge is promoted to contact and mill the end face of the electrode cap 600. While the grinding and shaping tool is continuously rotating forward, the electrode cap 600 is squeezed at high speed through the second end face of the blade body 110 which is an arc-shaped surface, so that the extrusion part changes in the forward direction, thereby achieving the milling of the end face and the arc surface of the conical electrode cap 600. In the embodiment of the present application, the material requirements for the electrode cap 600 are relatively low, and the recycled and recast electrode cap 600 can be subjected to qualified milling and shaping, thereby reducing industrial costs.

[0035] The working principle of cutting and grinding the electrode cap 600 by the second arc blunt edge and the second arc blunt edge on the third end face is the same as the working principle of cutting and grinding the electrode cap 600 by the first arc blunt edge and the first arc blunt edge on the second end face, which will not be repeated here.

[0036] In one embodiment, if Figure 1 、 Figure 2 、 Figure 5 as well as Figure 6 As shown, the vertical cross-section of the blade body 110 at one end away from the protrusion 120 is smaller than the vertical cross-section of the protrusion 120 .

[0037] In this embodiment, the second end face and the third end face on the blade body 110 are of an arc-shaped curved surface structure, the two sides of the guide groove 111 on the first end face are connected to the second end face and the third end face respectively, the distance between the second end face and the third end face connected to the two sides of the guide groove 111 belongs to the first preset distance, and the vertical cross-section of the protrusion 120 is the second preset distance, wherein the first preset distance is smaller than the second preset distance. The arc-shaped curved surface design is convenient for adapting to the arc-shaped end face of the electrode cap 600 to increase the contact area between the grinding and shaping tool and the electrode cap 600, so that it can grind the end face of the electrode cap 600 more evenly, thereby improving the adaptability of the grinding and shaping tool. In addition, compared with a flat blade, the curved surface design can reduce the problem of excessive local pressure during the grinding process, avoid scratches or uneven wear on the surface of the electrode cap 600 during the cutting process, and thus effectively improve the grinding effect of the electrode cap 600.

[0038] In one embodiment, if Figure 1 as well as Figure 2 As shown, a first screw through hole 114 is provided on the blade body 110 ; the first screw through hole 114 is provided between the guide groove 111 and the protrusion 120 .

[0039] In this embodiment, the raised portion 120 is provided on the side of the blade body 110 on which the vertical cross-section of the arc-shaped surface is larger, and the guide groove 111 is provided on the first end face of the blade body 110 on which the vertical cross-section of the arc-shaped surface is smaller, that is, the guide groove 111 is provided on the side of the first end face of the blade body 110 away from the raised portion 120. A first screw through hole 114 is provided between the guide groove 111 and the raised portion 120, and the blade body 110 is fixed to the blade seat with the aid of screws. The end face of the blade body 110 opposite to the first end face is a positioning surface, and the positioning surface is fitted with the blade seat. The blade body 110 is fixed to the blade seat by screws to improve the tightness of the connection and fixation between the blade body 110 and the blade seat.

[0040] In one embodiment, if Figure 2 、 Figure 4 as well as Figure 5 As shown, it also includes a first tool holder 200 and a screw 300; the first tool holder 200 includes a first tool holder body 210, a first groove 220, a snap-on through hole and a second screw hole 230; the first groove 220, the snap-on through hole and the second screw hole 230 are all arranged on the first tool holder body 210; the protrusion 120 is adapted to the first groove 220; the second screw hole 230 is opposite to the first screw through hole 114, and the screw 300 is passed through the first screw through hole 114 and adapted to the second screw hole 230.

[0041] In this embodiment, the screw 300 can be a countersunk hexagon socket M3*10 screw or a black 12.9 grade cup head hexagon socket screw, where M3*10 represents a metric thread with a diameter of 3 mm and a length of 10 mm. Specifically, after aligning the protrusion 120 with the first groove 220 on the first tool holder 200 and the first screw hole 114 with the second screw hole 230, the protrusion 120 is snapped into the first groove 220. At the same time, a countersunk hexagon socket M3*10 screw is inserted into the first screw hole 114 and the second screw hole 230 and tightened so that the positioning surface of the blade body 110 is tightly fitted with the first tool holder body 210, thereby fixing the blade body 110 to the first tool holder body 210.

[0042] On the one hand, the protrusion 120 and the first groove 220 are adapted to each other, so that the blade body 110 and the first seat body 210 are initially fixed together through mechanical interlocking. When subjected to lateral or torsional forces, the cooperation between the protrusion 120 and the first groove 220 prevents the blade body 110 from sliding or rotating, thereby improving the stability of the overall connection structure between the blade body 110 and the first seat body 210.

[0043] On the other hand, by inserting the screw 300 through the first screw hole 114 and the second screw hole 230 and tightening it, the positioning surface of the blade body 110 is closely fitted with the first seat body 210, thereby fixing the blade body 110 to the first seat body 210, further enhancing the firmness of the connection between the blade body 110 and the first seat body 210. After being tightened, the screw 300 can withstand axial tension and shear force, tightly fixing the two blade bodies 110 and the first seat body 210 together, compensating for the slight gap that may exist between the protrusion 120 and the first groove 220, and making the connection between the two even tighter.

[0044] In one embodiment, if Figure 2 as well as Figure 5 As shown, the first tool holder 200 further includes a trapezoidal buckle 240 ; the trapezoidal buckle 240 is matched with the buckle through hole to achieve the fixation and disassembly of the first tool holder body 210 .

[0045] In this embodiment, a snap-fit through-hole (not shown) is provided on the circumferential side surface of the first blade holder body 210 for mating with the trapezoidal snap 240. The trapezoidal snap 240 mates with the snap-fit through-hole to secure and remove the first blade holder body 210. This simplifies the process of securing and removing the first blade holder body 210. Simply inserting the trapezoidal snap 240 into the through-hole completes the fixation, eliminating the need for complex installation tools or extensive time. This allows for quick fixation and improves installation and removal efficiency. Compared to traditional welding, the trapezoidal snap 240 offers lower costs and a higher cost-effectiveness.

[0046] In another embodiment, if Figure 6 As shown, it also includes a second tool seat 400 and several screws 500; the second tool seat 400 includes an upper tool seat 410 and a lower tool seat 420; the upper tool seat 410 is fixed to the first end face of the lower tool seat 420 by the several screws 500.

[0047] In this embodiment, the second tool holder 400 includes an upper tool holder 410 and a lower tool holder 420. The upper tool holder 410 is fixed to the first end face of the lower tool holder 420 by a plurality of screws 500. The blade body 110 is clamped between the upper tool holder 410 and the lower tool holder 420 to form a multi-layer structural system. This structure can effectively disperse the various forces, such as cutting force and impact force, to which the blade body 110 is subjected during operation. When the tool is sharpened and shaped for cutting, the cutting force can be transmitted from the upper tool holder 410 to the lower tool holder 420 via the screws 500, avoiding local stress concentration, thereby improving the load-bearing capacity of the entire tool holder and enhancing the overall structural stability of the second tool holder 400.

[0048] Furthermore, the screws 500, as connecting components, can provide reliable fastening force. During the tightening of the screws 500, significant friction is generated between the upper and lower blade seats 410, 420. This friction can resist the horizontal shear force generated by the blade body 110 during operation, preventing relative displacement between the upper and lower blade seats 410, 420. Furthermore, the provision of multiple screws 500 can further enhance the reliability of the connection. Even if a screw 500 becomes loose, the remaining screws 500 can still maintain the basic connection between the upper and lower blade seats 410, 420, ensuring the stability of the second blade seat 400 under complex stress conditions.

[0049] In one embodiment, if Figure 6 As shown, the upper knife seat 410 includes an upper knife seat body 411 , a plurality of first screw through holes 412 and an upper groove 413 ; the plurality of first screw through holes 412 and the upper groove 413 are both provided on the upper knife seat body 411 .

[0050] In this embodiment, the upper blade holder body 411 includes a first connecting portion and a second connecting portion, with the second connecting portion disposed on one end surface of the first connecting portion. A plurality of first screw holes 412 are disposed around the first connecting portion, and an upper groove 413 is disposed on the second connecting portion. The number of first screw holes 412 is equal to the number of screws, and the screws are adapted to fit within the first screw holes 412.

[0051] In one embodiment, if Figure 6 As shown, the lower knife seat 420 includes a lower knife seat body 421, a plurality of second screw through holes 422 and a lower groove 423; the plurality of second screw through holes 422 and the lower groove 423 are all arranged on the lower knife seat body 421; the lower groove 423 is opposite to the upper groove 413; the plurality of second screw through holes 422 is equal to the number of the plurality of first screw through holes 412, and the plurality of second screw through holes 422 are opposite to the plurality of first screw through holes 412; the plurality of screws are passed through the plurality of second screw through holes 422 and the plurality of first screw through holes 412 to fix the upper knife seat body 411 and the lower knife seat body 421.

[0052] In this embodiment, the number of lower grooves 423 and upper grooves 413 is equal to the number of protrusions 120, and the lower grooves 423 are directly opposite the upper grooves 413. One side of the protrusion 120 of the blade body 110 engages within the lower groove 423, and the other side engages within the upper groove 413, allowing the blade body 110 to be engaged between the upper and lower blade seats. For example, if a blade body 110 has two protrusions 120, and there are two blade bodies 110, then the number of lower grooves 423 and upper grooves 413 are both four, allowing the blade body 110 to be engaged between the upper and lower grooves 413, 423.

[0053] Furthermore, the number of the plurality of second screw through holes 422, the plurality of first screw through holes 412, and the plurality of screws 500 are all equal, and the plurality of second screw through holes 422 are directly opposite the plurality of first screw through holes 412. The screws 500 are inserted through the second screw through holes 422 and adapted to fit the first screw through holes 412, so as to securely connect the upper tool holder body 411 to the first end face of the lower tool holder body 421. The first end face of the lower tool holder body 421 is the end face facing the upper tool holder body 411. The screws 500 can, on the one hand, securely connect the upper tool holder 410 and the lower tool holder 420, thereby enhancing the overall stability and rigidity of the second tool holder 400 and enabling it to withstand greater cutting forces. On the other hand, the screws 500 can securely clip the blade body 110 between the upper tool holder 410 and the lower tool holder 420, thereby preventing the blade 100 from loosening during the cutting process, thereby affecting the cutting integrity of the end face of the electrode cap 600.

[0054] In one embodiment, if Figure 6 As shown, the protrusion 120 is respectively adapted to the upper groove 413 and the lower groove 423 , wherein one side of the protrusion 120 is engaged in the upper groove 413 , and the other side of the protrusion 120 is engaged in the lower groove 423 .

[0055] In this embodiment, the two sides of the protrusion 120 are respectively engaged in the upper groove 413 and the lower groove 423, which can ensure that the height of the blade body 110 remains relatively balanced and will not move as the cutting work proceeds, so as to achieve control of the cutting accuracy of the end face of the electrode cap 600.

[0056] Specifically, through this tight clamping method, the vertical position of the blade body 110 can be precisely controlled, ensuring that the arc-shaped sharp edge 113 on the blade body 110 penetrates the electrode cap 600 to the same depth during each cutting. At the same time, in terms of angle, the tight fit between the protrusion 120 and the upper groove 413 and the lower groove 423 respectively can also prevent the tool from tilting during the cutting process, ensuring that the arc-shaped sharp edge 113 and the arc-shaped blunt edge 112 of the blade body 110 can contact the end face of the electrode cap 600 at the correct angle, thereby improving cutting accuracy and effectively ensuring the flatness of the end face of the electrode cap 600.

[0057] An embodiment of the present utility model provides a grinding and shaping tool, which includes a blade 100, wherein the blade 100 includes a blade body 110 and a raised portion 120; the raised portion 120 is arranged on one side of the blade body 110; a guide groove 111 is provided on the first end face of the blade body 110, and an arc blunt edge 112 and an arc sharp edge 113 are provided on the end face of the blade body 110 that is an arc-shaped curved surface; the arc sharp edge 113 is adjacent to the arc blunt edge 112, and the arc blunt edge 112 is located on the side adjacent to the raised portion 120; the first end face is adjacent to the end face where the arc sharp edge 113 is located, and the angle between the end face where the oblique side of the guide groove 111 and the arc sharp edge 113 is located and the end face where the arc sharp edge 113 is located is an acute angle. In an embodiment of the present invention, the angle between the end face where the bevel adjacent to the arc edge 113 of the guide groove 111 is located and the end face where the arc edge 113 is located is an acute angle, which can increase the sharpness of the tool, so that the copper chips can be quickly cut off and discharged smoothly from the guide groove 111, avoiding the accumulation of copper chips to improve the smoothness of the end face of the cut electrode cap 600.

[0058] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in the present invention, and such modifications or substitutions should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A tool for grinding and shaping a tool, characterized in that: It comprises a blade; the blade comprises a blade body and a raised portion; the raised portion is arranged on one side of the blade body; a guide groove is provided on the first end face of the blade body, and an arc blunt edge and an arc sharp edge are provided on the end face of the blade body which is an arc-shaped curved surface; the arc sharp edge is adjacent to the arc blunt edge, and the arc blunt edge is located on the side adjacent to the raised portion; the first end face is adjacent to the end face where the arc sharp edge is located, and the angle between the end face where the oblique side of the guide groove adjacent to the arc sharp edge is located and the end face where the arc sharp edge is located is an acute angle.

2. The grinding and shaping tool according to claim 1, characterized in that: The arc-shaped end face of the blade body includes a second end face and a third end face; the second end face and the third end face are both adjacent to the first end face, and the third end face is symmetrically arranged with the second end face; a first circular arc blunt edge and a first circular arc sharp edge are arranged on the second end face, and the first circular arc blunt edge and the first circular arc sharp edge are arranged along the edge of the same side of the second end face; a second circular arc blunt edge and a second circular arc sharp edge are arranged on the third end face, and the second circular arc blunt edge and the second circular arc sharp edge are arranged along the edge of the same side of the third end face.

3. The grinding and shaping tool according to claim 1, characterized in that: The vertical cross-section of the blade body at one end away from the protrusion is smaller than the vertical cross-section of the protrusion.

4. The grinding and shaping tool according to claim 2, characterized in that: The blade body is provided with a first screw through hole; the first screw through hole is arranged between the guide groove and the protrusion.

5. The grinding and shaping tool according to claim 4, characterized in that: It also includes a first tool holder and a screw; the first tool holder includes a first tool holder body, a first groove, a snap-on through hole and a second screw hole; the first groove, the snap-on through hole and the second screw hole are all arranged on the first tool holder body; the protrusion is adapted to the first groove; the second screw hole is opposite to the first screw through hole, and the screw is passed through the first screw through hole and adapted to the second screw hole.

6. The grinding and shaping tool according to claim 5, characterized in that: The first tool holder further includes a trapezoidal buckle; the trapezoidal buckle is adapted to the buckle through hole to achieve the fixation and disassembly of the first tool holder body.

7. The grinding and shaping tool according to claim 2, characterized in that: It also includes a second knife seat and a plurality of screws; the second knife seat includes an upper knife seat and a lower knife seat; the upper knife seat is fixed to the first end surface of the lower knife seat by the plurality of screws.

8. The grinding and shaping tool according to claim 7, characterized in that: The upper knife seat includes an upper knife seat body, a plurality of first screw through holes and an upper groove; the plurality of first screw through holes and the upper groove are both arranged on the upper knife seat body.

9. The grinding and shaping tool according to claim 8, characterized in that: The lower knife seat includes a lower knife seat body, a plurality of second screw through holes and a lower groove; the plurality of second screw through holes and the lower groove are all arranged on the lower knife seat body; the lower groove is opposite to the upper groove; the plurality of second screw through holes is equal to the number of the plurality of first screw through holes, and the plurality of second screw through holes are opposite to the plurality of first screw through holes; the plurality of screws are passed through the plurality of second screw through holes and the plurality of first screw through holes to fix the upper knife seat body and the lower knife seat body.

10. The grinding and shaping tool according to claim 9, characterized in that: The protrusion is respectively matched with the upper groove and the lower groove, wherein one side of the protrusion is clamped in the upper groove, and the other side of the protrusion is clamped in the lower groove.

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