Improved scrap cutter tool, turning structure and using method

Abstract

The invention discloses an improved scrap cutter tool, a clamp and a using method, and relates to the technical field of scrap cutter tools. Comprising a center body, a mounting groove is formed in the side face of the center body, and a fixing strip is mounted in the mounting groove; a central shaft is mounted in the center of the central body; a machining plate is detachably installed outside the fixing strip, a connecting groove is formed in the machining plate and matched with the fixing strip, and a working groove is formed in the side, back to the fixing strip, of the connecting groove. A positioning hole is formed in the machining plate, and a locking bolt is installed in the positioning hole and connected to the center body. At least four groups of working grooves are arranged and are axially distributed outside the center body; at least two sets of workpieces are installed in each set of working grooves, the two sets of workpieces abut against each other, extrusion blocks are installed in the same set of working grooves, and the extrusion blocks are connected with the working grooves through installation positioning bolts. The technical problem that in the prior art, due to the fact that single-time clamping is mostly in-groove clamping of a single set of workpieces and a positioning clamp, efficiency is low is solved.

Description

Technical Field

[0001] The invention relates to the technical field of scrap edge shearing tools, and in particular to an improved scrap edge shearing tool, a clamp and a use method. Background Art

[0002] The scrap edge shearing tool is provided with multiple sides, the workpiece is fixed and the outer circle of the blade is turned by an external grinder. Reference CN201710599114.6 A scrap edge shearing tool for lateral arc turning. First of all, in terms of structure, the detachable mounting block can achieve effective connection, but it creates greater requirements for the shape and size of the workpiece; conventional scrap edge shearing tools, most of which are single clamping of a single group of workpieces and positioning fixtures in the groove, which easily leads to lower processing efficiency than the efficiency of clamping multiple groups of workpieces, which is not conducive to batch cutting. Secondly, the grinding tool in the existing equipment is fixed on the frame, so that the grinding wheel is moved for grinding when grinding is needed. However, due to the relatively close operating distance, it is easy to produce excessive feed or lateral collision, which will cause the grinding wheel to be scrapped prematurely.

[0003] To this end, we provide an improved scrap edge shear tooling, fixture and use method to solve the above problems. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0005] An improved type of scrap edge shear tool comprises a central body, a mounting groove is provided on the side of the central body, a fixing strip is installed in the mounting groove; a central shaft is installed at the center of the central body;

[0006] A processing plate is detachably mounted outside the fixing strip, a connecting groove is formed on the processing plate, the connecting groove is matched with the fixing strip, and a working groove is formed on the side facing away from the fixing strip; a positioning hole is formed on the processing plate, and a locking bolt is installed in the positioning hole and connected to the central body;

[0007] There are at least four groups of working grooves, which are axially distributed outside the central body; at least two groups of workpieces are installed in each group of working grooves, the two groups of workpieces are abutted against each other and an extrusion block is installed in the same group of installation grooves, and the extrusion block is connected to the working groove by installing positioning bolts.

[0008] In a further technical solution, the working groove is inclined, and the workpieces in each group of working grooves include workpiece 1 and workpiece 2, and workpiece 2 is located between workpiece 1 and the extrusion block;

[0009] The opposite sides of the workpiece 1 and the workpiece 2 are perpendicular to the inner side of the working groove, and the two opposite sides are both inclined surfaces, and the bottom edge of the relative center body is in contact with the inner side of the working groove.

[0010] In a further technical solution, the working groove includes a bottom plate surface, an inclined groove surface and a vertical surface, the vertical surface is arranged perpendicular to the bottom plate surface, the inclined groove surface is suitable for fitting the workpiece, the inclined groove surface is inclined relative to the bottom plate surface, and the vertical surface is suitable for fitting the extrusion block.

[0011] A turning structure of an improved scrap shearing tool comprises a working platform, one end of which is equipped with a spindle and a driving motor, the driving motor drives the spindle to rotate; the other end is equipped with a tailstock, both ends of the central shaft are provided with connecting recesses, the improved scrap shearing tool is installed between the tailstock and the spindle; the spindle and the tailstock are suitable for tightening at the connecting recesses at both ends of the central shaft;

[0012] A grinding frame is also installed on the working platform, a grinding wheel is installed on the grinding frame, and the grinding wheel moves on the grinding frame;

[0013] A connecting rod is installed at one end of the central shaft opposite to the main shaft, a rotating disk is coaxially installed on the main shaft, and a driving handle is fixedly installed at the outer end of the rotating disk, and the driving handle is suitable for abutting the connecting rod.

[0014] In a further technical solution, a carrier is installed on the side of the central shaft opposite to the main shaft, the carrier is installed on the working platform, and a positioning hole is opened on the carrier, a connecting bearing is installed in the positioning hole, the outer ring of the connecting bearing is fixedly connected to the positioning hole, and the inner ring of the connecting bearing is installed with a bayonet disk;

[0015] The central shaft is located at two ends of the central body and is respectively provided with a large diameter part, a short axis part and a fixing ring. The diameter of the fixing ring is larger than the large diameter part, and the diameter of the large diameter part is larger than the short axis part. The short axis part is provided with a connecting notch to connect with the main shaft; one end of the short axis part is integrally connected with the large diameter part, and the other end is integrally connected with the fixing ring; the fixing ring is provided with an arc groove, and the arc groove is suitable for the connecting rod to pass through;

[0016] A plurality of concave grooves are provided at the end of the central axis and are arranged circumferentially coaxially; a plurality of convex strips are provided on the inner side of the bayonet disc, and the convex strips are matched with the concave grooves; the bayonet disc is located at the large diameter portion;

[0017] A rotating ring is rotatably mounted on the short shaft portion through a connecting bearing, and the connecting rod is mounted on a side of the rotating ring opposite to the main shaft.

[0018] In a further technical solution, a position cylinder is provided on the carrier frame, and the position cylinder is arranged toward the grinding frame; an electric push rod and a tool head frame are installed in the position cylinder, and a cutting tool head is installed on the tool head frame; a resistance switch and a slider are installed in the arc groove, and a socket is opened on the slider, and is suitable for the connecting rod to be inserted; the slider slides in the arc groove.

[0019] In a further technical solution, the grinding frame includes a fixed plate, the fixed plate is fixedly connected to the working platform, a support plate is installed on the top of the fixed plate, the support plate is provided with two groups and a transverse screw is installed between them, two groups of nut seats are installed on the transverse screw, a bending plate is installed on the nut seat, and a rotating drive member is installed on the bending plate;

[0020] Sector plates are installed on the two sets of bending plates, and a rotating shaft is installed between the sector plates. One end of the rotating shaft extends out of the sector plate and is installed with a rotating motor, and the rotating motor is suitable for driving the rotating shaft to rotate;

[0021] A grinding wheel is fixedly mounted on the rotating shaft, a reinforcement disc is mounted outside the grinding wheel, and the reinforcement disc is detachably connected to the grinding wheel and the rotating shaft.

[0022] In a further technical solution, the rotating drive component includes an incomplete gear, a rotating shaft is provided on the outer side of the fan-shaped plate, and the incomplete gear is installed on the rotating shaft; a limit plate is installed on the bending plate, and two groups of limit plates are provided and located on both sides of the fan-shaped plate; an adjusting motor is also installed on the bending plate, and an adjusting gear is installed on the output shaft of the adjusting motor, and the adjusting gear is suitable for rotating intermittently meshing the incomplete gear.

[0023] A method for using an improved edge trimming shearing tool comprises the following steps:

[0024] Step 1: Install workpiece 1 and workpiece 2 in the working groove. Workpiece 1 is installed to abut against workpiece 2, and workpiece 2 is located between workpiece 1 and the extrusion block. The bottoms of workpiece 1 and workpiece 2 are in contact with the bottom plate surface, and the side of workpiece 1 facing away from workpiece 2 abuts against the inclined groove surface; the extrusion block is pressed down until workpiece 1 and workpiece 2 cannot move.

[0025] Step 2: Hoist and transport the scrap edge shear tooling to the working platform, and then use the tailstock and the spindle to push it into the connecting notch;

[0026] Step 3, install the carrier on the central axis, the installation position is on the side of the central axis facing the main axis; the convex strip in the bayonet plate is clamped into the concave strip groove, and the connecting rod is adjusted to a position suitable for rotating with the central axis to produce a movable contact with the driving handle; a socket is installed on the slider, and the connecting rod is suitable for inserting the socket;

[0027] Step 4, forward rotation, the main shaft rotates to drive the central shaft and the entire edge shear tooling to rotate, and when rotating along the arc groove, the connecting rod squeezes the slider and drives it to abut against the contact switch; the contact switch is used to transmit a signal to drive the electric push rod to realize the position barrel at the extension of the cutter head, thereby realizing the grinding function;

[0028] Reverse rotation drives the handle to rotate in the opposite direction with the spindle, drives the slider away from the resistance switch, and the electric push rod does not receive the signal to realize the tool head frame to retract into the position cylinder, thus completing the protection of the cutting tool head;

[0029] Step 5, when the grinding wheel needs to be ground, the forward rotation of step 4 is adopted; when it is not needed, the reverse rotation of step 4 is adopted;

[0030] Step 6, during normal operation, drive the transverse lead screw to drive the two sets of nut seats to a horizontal position, adjust the motor to drive the incomplete gear meshing adjustment gear to rotate, and realize the rotation of the fan-shaped plate; turn on the rotating motor to drive the grinding wheel to rotate;

[0031] It can realize the alignment of grinding workpiece or grinding wheel and complete the edge cutting work.

[0032] Compared with the prior art, the present invention has the following beneficial effects:

[0033] The invention is different from the circular edge shear. On the one hand, the clamp can be disassembled to realize the clamping of different batches of tools; on the other hand, it can realize the same circular grinding effect of more than eight groups of workpieces. The inclined working groove ensures that the first and second workpieces can be installed under the extrusion of the extrusion block, which has the effect of convenient and fast positioning.

[0034] The present invention realizes the grinding effect of the scrap shearing tool on the lathe by providing a grinding frame that can adjust the displacement and angle. The present invention realizes support and movement by a nut seat that is separately arranged on the transverse screw, and a guide rod is arranged at the bottom of the nut seat to maintain the support and guiding effect of the nut seat. The adjustment motor installed on the top drives the adjustment gear to engage the incomplete gear to realize angular rotation. The present invention realizes the top on the connection notch by the main shaft and the tailstock, and realizes the synchronous rotation effect by the connecting rod and the driving handle.

[0035] The present invention provides an arc groove on the fixed ring so that when the connecting rod rotates, it will drive the slider to move and abut against the abutment switch to realize signal transmission, thereby controlling the extension and retraction of the cutting head to realize the contraction when the cutting head is not used to grind the grinding wheel, thereby preventing the cutting head from colliding with the grinding wheel laterally. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a three-dimensional structural schematic diagram of the scrap edge shearing tool of the present invention;

[0037] Figure 2 It is a schematic diagram of the structure of the central body and the processing plate of the present invention;

[0038] Figure 3 It is a front view of the turning structure of embodiment 1 of the present invention;

[0039] Figure 4 It is a front schematic diagram of the grinding stand of the present invention;

[0040] Figure 5 for Figure 4 A magnified view of part A;

[0041] Figure 6 for Figure 4 BB cross-section diagram in;

[0042] Figure 7 It is a front view of the turning structure of embodiment 2 of the present invention;

[0043] Figure 8 It is a schematic diagram of the structure of the edge shearing tooling of the second embodiment of the present invention;

[0044] Fig. 9 It is a cross-sectional view of the carrier frame of the present invention installed on the scrap shear tool;

[0045] Fig.10 It is a schematic diagram of the carrier frame of the present invention;

[0046] Fig.11 It is a cross-sectional view of the position tube of the present invention.

[0047] In the figure: 1, center body; 2, fixing bar; 3, center axis; 4, processing plate; 5, working groove; 6, extrusion block; 7, workpiece 1; 8, workpiece 2; 51, bottom plate surface; 52, inclined groove surface; 53, vertical surface; 9, working platform; 10, spindle; 11, tailstock; 12, connecting notch; 13, grinding wheel; 14, connecting rod; 15, driving handle; 16, bearing frame; 17, bayonet plate; 18, large diameter part; 19, short shaft part; 20, fixing ring; 21, arc groove; 22. Concave groove; 23. Convex strip; 24. Rotating ring; 25. Position cylinder; 26. Electric push rod; 27. Tool head holder; 28. Cutting tool head; 29. ​​Resistance switch; 30. Slider; 31. Fixed plate; 32. Support plate; 33. Transverse screw; 34. Nut seat; 35. Bending plate; 36. Fan-shaped plate; 37. Rotating shaft; 38. Rotating motor; 39. Incomplete gear; 40. Rotating shaft; 41. Limiting plate; 42. Adjusting motor; 43. Adjusting gear. DETAILED DESCRIPTION

[0048] 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 described embodiments are only 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 creative work are within the scope of protection of the present invention.

[0049] See also Figure 1 and 2As shown, the present invention provides a technical solution: an improved scrap shear tool, comprising a central body 1, a mounting groove is provided on the side of the central body 1, a fixing strip 2 is installed in the mounting groove; a central shaft 3 is installed at the center of the central body 1;

[0050] A processing plate 4 is detachably mounted outside the fixing bar 2, a connecting groove is formed on the processing plate 4, the connecting groove is matched with the fixing bar 2, and a working groove 5 is formed on the side facing away from the fixing bar 2; a positioning hole is formed on the processing plate 4, and a locking bolt is installed in the positioning hole and connected to the central body 1; when in use, the processing plate can be replaced to obtain working grooves of different sizes to connect workpieces of different sizes.

[0051] There are at least four groups of working grooves 5, which are axially distributed outside the central body 1; at least two groups of workpieces are installed in each group of working grooves 5, the two groups of workpieces are abutted against each other and an extrusion block 6 is installed in the same group of installation grooves, and the extrusion block 6 is connected to the working groove 5 by installing positioning bolts.

[0052] like Figure 2 As shown, the working groove 5 is inclined, and the workpieces in each group of working grooves 5 include workpiece 1 7 and workpiece 2 8, and workpiece 2 8 is located between workpiece 1 7 and extrusion block 6; the opposite side of workpiece 1 7 and workpiece 2 8 is perpendicular to the inner side of the working groove 5, and the two opposite sides are both inclined surfaces, and the bottom edge relative to the center body 1 is in contact with the inner side of the working groove 5.

[0053] The working groove 5 includes a bottom plate surface 51, an inclined groove surface 52 and a vertical surface 53. The vertical surface 53 is arranged perpendicularly to the bottom plate surface 51. The inclined groove surface 52 is suitable for fitting the workpiece 1 7. The inclined groove surface 52 is inclined relative to the bottom plate surface 51. The vertical surface 53 is suitable for fitting the extrusion block 6. Different from the existing scrap edge shearing tooling, the present invention realizes synchronous cutting of multiple workpieces and high-efficiency processing of the scrap edge shearing through multiple groups of split installation; and the inclined working groove ensures that the workpiece 1 and the workpiece 2 are installed under the extrusion of the extrusion block, which has the effect of convenient and fast positioning.

[0054] Example 2

[0055] like Figure 3-6 As shown, another embodiment of the present invention is provided. On the basis of Example 1, a turning structure of an improved type of broken edge shearing tooling includes a working platform 9, one end of which is provided with a spindle 10 and a driving motor, and the driving motor drives the spindle 10 to rotate; the other end is provided with a tailstock 11, and both ends of the central shaft 3 are provided with connecting recesses 12, and the aforementioned improved type of broken edge shearing tooling is installed between the tailstock 11 and the spindle 10; the spindle 10 and the tailstock 11 are suitable for being pressed against the connecting recesses 12 at both ends of the central shaft 3;

[0056] A grinding frame is also installed on the working platform 9, on which a grinding wheel 13 is installed, and the grinding wheel 13 moves on the grinding frame; a connecting rod 14 is installed at one end of the central axis 3 relative to the main shaft 10, a turntable is coaxially installed on the main shaft 10, and a driving handle 15 is fixedly installed on the outer end of the turntable, and the driving handle 15 is suitable for abutting the connecting rod 14.

[0057] like Figure 4 As shown, the grinding frame includes a fixed plate 31, which is fixedly connected to the working platform 9, a support plate 32 is installed on the top of the fixed plate 31, and two groups of support plates 32 are provided with a transverse screw 33 installed therebetween, two groups of nut seats 34 are installed on the transverse screw 33, a bending plate 35 is installed on the nut seat 34, and a rotating drive member is installed on the bending plate 35; a fan-shaped plate 36 is installed on the two groups of bending plates 35, and a rotating shaft 37 is installed between the fan-shaped plates 36, one end of the rotating shaft 37 extends out of the fan-shaped plate 36 and is installed with a rotating motor 38, and the rotating motor 38 is suitable for driving the rotating shaft 37 to rotate; a grinding wheel 13 is fixedly installed on the rotating shaft 37, a reinforcement disk is installed outside the grinding wheel 13, the reinforcement disk is arranged on both sides of the grinding wheel 13 at the rotating shaft installation position, and the reinforcement disk is detachably connected to the grinding wheel 13 and the rotating shaft 37.

[0058] Figure 6 As shown, the rotary drive member includes an incomplete gear 39, a rotating shaft 40 is arranged outside the sector plate 36, and the incomplete gear 39 is mounted on the rotating shaft 40; a limit plate 41 is installed on the bending plate 35, and two sets of limit plates 41 are arranged and located on both sides of the sector plate 36; an adjusting motor 42 is also installed on the bending plate 35, and an adjusting gear 43 is installed on the output shaft of the adjusting motor 42, and the adjusting gear 43 is suitable for rotating and intermittently engaging the incomplete gear 39. The present invention realizes the grinding effect of the edge shearing tool on the lathe by providing a grinding frame that can adjust the displacement and angle. The present invention realizes support and movement through a nut seat that is separately arranged on the transverse lead screw, and a guide rod is arranged at the bottom of the nut seat to maintain the support and guiding effect of the nut seat. The adjusting motor installed on the top drives the adjusting gear to engage the incomplete gear to realize angular rotation. The present invention realizes the top on the connecting notch through the main shaft and the tail frame, and realizes the synchronous rotation effect through the connecting rod and the driving handle.

[0059] Example 3

[0060] like Figure 7-11 As shown, it is another embodiment of the present invention. On the basis of Example 2, a carrier frame 16 is installed on the side of the central shaft 3 relative to the main shaft 10. The carrier frame 16 is installed on the working platform 9, and a positioning hole is opened on the carrier frame 16. A connecting bearing is installed in the positioning hole. The outer ring of the connecting bearing is fixedly connected to the positioning hole, and the inner ring of the connecting bearing is installed with a bayonet disk 17.

[0061] like Figure 8 and 9 As shown, the central shaft 3 is located at both ends of the central body 1 and is respectively provided with a large diameter portion 18, a short axis portion 19 and a fixing ring 20, the diameter of the fixing ring 20 is larger than the large diameter portion 18, the diameter of the large diameter portion 18 is larger than the short axis portion 19, and the short axis portion 19 is provided with a connecting recess 12 connected to the main shaft 10; one end of the short axis portion 19 is integrally connected to the large diameter portion 18, and the other end is integrally connected to the fixing ring 20; an arc groove 21 is provided on the fixing ring 20, and the arc groove 21 is suitable for the connecting rod 14 to pass through; a resistance switch 29 and a slider 30 are installed in the arc groove 21, and a plug hole is provided on the slider 30, and is suitable for the connecting rod 14 to be inserted; the slider 30 slides in the arc groove 21.

[0062] like Figure 8 and 10 As shown, a plurality of groups of concave grooves 22 are provided at the end of the central axis 3 and are arranged circumferentially coaxially; a plurality of groups of convex strips 23 are provided on the inner side of the bayonet disk 17, and the convex strips 23 are adapted to the concave grooves 22; the bayonet disk 17 is located at the large diameter portion 18; a rotating ring 24 is rotatably installed on the short axis portion 19 through the installation of a connecting bearing, and the connecting rod 14 is installed on the side of the rotating ring 24 opposite to the main shaft 10.

[0063] like Fig.10 and 11 As shown, a position cylinder 25 is provided on the carrier 16, and the position cylinder 25 is arranged toward the grinding frame; an electric push rod 26 and a tool head frame 27 are installed in the position cylinder 25, and a cutting tool head 28 is installed on the tool head frame 27; the present invention arranges an arc groove on the fixed ring, so that when the connecting rod rotates, it will drive the slider to move and abut against the abutment switch to realize signal transmission, thereby controlling the extension and retraction of the cutting tool head to realize the contraction when the cutting tool head is not used to grind the grinding wheel, thereby preventing the cutting tool head from colliding with the grinding wheel laterally and preventing the grinding wheel from being scrapped prematurely.

[0064] A method for using an improved edge trimming shearing tool comprises the following steps:

[0065] Step 1, install workpiece 1 7 and workpiece 2 8 in the working groove 5, and use workpiece 1 7 to abut workpiece 2 8, and workpiece 2 8 is located between workpiece 1 7 and extrusion block 6, and the bottoms of workpiece 1 7 and workpiece 2 8 are both in contact with the bottom plate surface 51, and the side of workpiece 1 7 facing away from workpiece 2 8 abuts against the inclined groove surface 52; press the extrusion block 6 until workpiece 1 7 and workpiece 2 8 cannot move.

[0066] Step 2: Hoist and transport the edge shear tool to the working platform 9, and then use the tailstock 11 and the main shaft 10 to push into the connecting recess 12;

[0067] Step 3, install the carrier 16 on the central shaft 3, the installation position is on the side of the central shaft 3 facing the main shaft 10; snap the convex strip 23 in the bayonet plate 17 into the concave strip groove 22, and adjust the position of the connecting rod 14 to be suitable for rotating with the central shaft 3, so as to produce a movable contact with the driving handle 15; a socket is installed on the slider 30, and the connecting rod 14 is suitable for inserting the socket;

[0068] Step 4, forward rotation, the main shaft 10 rotates to drive the central shaft 3 and the entire edge shear tooling to rotate, and when rotating along the arc groove 21, the connecting rod 14 squeezes the slider 30, driving it to abut against the abutment switch 29; the abutment switch 29 is used to transmit a signal to drive the electric push rod 26 to realize the position cylinder 25 at the extension of the cutter head, so as to realize the grinding function;

[0069] Reverse rotation drives the handle 15 to rotate in the opposite direction with the spindle 10, drives the slider 30 away from the conflict switch 29, and the electric push rod 26 does not receive the signal to realize the tool head frame 27 to retract into the position tube 25, completing the protection of the cutting tool head 28;

[0070] Step 5, when the grinding wheel 13 needs to be ground, the forward rotation of step 4 is adopted; when it is not needed, the reverse rotation of step 4 is adopted;

[0071] Step 6, during normal operation, the horizontal lead screw 33 is driven to drive the two sets of nut seats 34 to a horizontal position, the adjustment motor 42 drives the adjustment gear 43 to engage the incomplete gear 39 to rotate, and the fan plate 36 is rotated; the rotating motor 38 is turned on to drive the grinding wheel 13 to rotate;

[0072] Alignment of the grinding workpiece or grinding of the grinding wheel 13 is achieved; the scrap edge shearing work is completed. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention.

[0073] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An improved edge shearing tool, characterized in that: It comprises a central body (1), a mounting groove is provided on the side of the central body (1), a fixing strip (2) is installed in the mounting groove; a central shaft (3) is installed at the center of the central body (1); A processing plate (4) is detachably mounted outside the fixing strip (2), the processing plate (4) being provided with a connection groove, the connection groove being adapted to the fixing strip (2), and a working groove (5) being provided on a side facing away from the fixing strip (2); a positioning hole is provided on the processing plate (4), and a locking bolt is installed in the positioning hole and connected to the central body (1); At least four groups of the working grooves (5) are arranged and axially distributed outside the central body (1); at least two groups of workpieces are installed in each group of the working grooves (5), the two groups of workpieces are abutted against each other and an extrusion block (6) is installed in the same group of installation grooves; the extrusion block (6) is connected to the working groove (5) by installing positioning bolts.

2. The improved edge trimming shearing tool according to claim 1, characterized in that: The working grooves (5) are inclined, and the workpieces in each group of working grooves (5) include workpiece 1 (7) and workpiece 2 (8), and workpiece 2 (8) is located between workpiece 1 (7) and the extrusion block (6); The opposite sides of the workpiece 1 (7) and the workpiece 2 (8) are perpendicular to the inner side of the working groove (5), and the opposite sides are both inclined surfaces, and the bottom edge relative to the central body (1) is in contact with the inner side of the working groove (5).

3. The improved edge trimming shearing tool according to claim 2, characterized in that: The working groove (5) comprises a bottom plate surface (51), an inclined groove surface (52) and a vertical surface (53); the vertical surface (53) is arranged perpendicular to the bottom plate surface (51); the inclined groove surface (52) is suitable for fitting a workpiece (7); the inclined groove surface (52) is inclined relative to the bottom plate surface (51); and the vertical surface (53) is suitable for fitting an extrusion block (6).

4. An improved turning structure of a scrap shear tool, characterized in that: The working platform (9) comprises a working platform (9), wherein a main shaft (10) and a driving motor are installed at one end of the working platform (9), and the driving motor drives the main shaft (10) to rotate; a tailstock (11) is installed at the other end, and connecting recesses (12) are arranged at both ends of the central shaft (3); the improved scrap shearing tool of claim 3 is installed between the tailstock (11) and the main shaft (10); the main shaft (10) and the tailstock (11) are suitable for being pressed against the connecting recesses (12) at both ends of the central shaft (3); A grinding frame is also installed on the working platform (9), a grinding wheel (13) is installed on the grinding frame, and the grinding wheel (13) moves on the grinding frame; A connecting rod (14) is installed at one end of the central axis (3) opposite to the main axis (10), a turntable is coaxially installed on the main axis (10), and a driving handle (15) is fixedly installed on the outer end of the turntable, and the driving handle (15) is suitable for abutting the connecting rod (14).

5. The turning structure of the improved edge shearing tool according to claim 4 is characterized in that: A carrier frame (16) is installed on the side of the central axis (3) opposite to the main axis (10), the carrier frame (16) is installed on the working platform (9), and a positioning hole is opened on the carrier frame (16), a connecting bearing is installed in the positioning hole, the outer ring of the connecting bearing is fixedly connected to the positioning hole, and the inner ring of the connecting bearing is installed with a bayonet disk (17); The central shaft (3) is located at two ends of the central body (1), and is respectively provided with a large diameter portion (18), a short axis portion (19) and a fixing ring (20); the diameter of the fixing ring (20) is larger than that of the large diameter portion (18), the diameter of the large diameter portion (18) is larger than that of the short axis portion (19), and the short axis portion (19) is provided with a connecting notch (12) for connecting with the main shaft (10); one end of the short axis portion (19) is integrally connected to the large diameter portion (18), and the other end is integrally connected to the fixing ring (20); the fixing ring (20) is provided with an arc groove (21), and the arc groove (21) is suitable for the connecting rod (14) to pass through; A plurality of groups of concave grooves (22) are provided at the end of the large diameter portion (18) and are coaxially arranged in a circumferential direction; a plurality of groups of convex strips (23) are provided on the inner side of the bayonet disc (17), and the convex strips (23) are matched with the concave grooves (22); the bayonet disc (17) is located at the large diameter portion (18); A rotating ring (24) is rotatably mounted on the short shaft portion (19) via a connecting bearing, and the connecting rod (14) is mounted on a side of the rotating ring (24) opposite to the main shaft (10).

6. The turning structure of the improved edge shearing tool according to claim 5, characterized in that: The carrier frame (16) is provided with a position cylinder (25), which is arranged toward the grinding frame; an electric push rod (26) and a tool head frame (27) are installed in the position cylinder (25), and a cutting tool head (28) is installed on the tool head frame (27); a resistance switch (29) and a slider (30) are installed in the arc groove (21), and a plug hole is opened on the slider (30) and is suitable for the connecting rod (14) to be inserted; the slider (30) slides in the arc groove (21).

7. The turning structure of the improved edge shearing tool according to claim 6 is characterized in that: The grinding frame comprises a fixing plate (31), the fixing plate (31) is fixedly connected to the working platform (9), a supporting plate (32) is installed on the top of the fixing plate (31), two groups of transverse screws (33) are provided on the supporting plate (32), two groups of nut seats (34) are installed on the transverse screws (33), a bending plate (35) is installed on the nut seats (34), and a rotating driving member is installed on the bending plate (35); A fan-shaped plate (36) is mounted on the two sets of bent plates (35), and a rotating shaft (37) is mounted between the fan-shaped plates (36). One end of the rotating shaft (37) extends out of the fan-shaped plate (36) and is mounted with a rotating motor (38), and the rotating motor (38) is suitable for driving the rotating shaft (37) to rotate; A grinding wheel (13) is fixedly mounted on the rotating shaft (37), and a reinforcement disk is mounted outside the grinding wheel (13). The reinforcement disk is detachably connected to the grinding wheel (13) and the rotating shaft (37).

8. The turning structure of the improved edge trimming shearing tool according to claim 7 is characterized in that: The rotary drive member comprises an incomplete gear (39); a rotating shaft (40) is arranged on the outer side of the sector plate (36); the incomplete gear (39) is mounted on the rotating shaft (40); a limit plate (41) is mounted on the bending plate (35), and two groups of limit plates (41) are arranged and are located on both sides of the sector plate (36); an adjusting motor (42) is also mounted on the bending plate (35); an adjusting gear (43) is mounted on the output shaft of the adjusting motor (42), and the adjusting gear (43) is suitable for rotating and intermittently meshing the incomplete gear (39).

9. A method for using an improved scrap shear tool, comprising the turning structure of the improved scrap shear tool according to claim 8; characterized in that: The following steps are involved: Step 1, installing workpiece 1 (7) and workpiece 2 (8) in the working groove (5), wherein workpiece 1 (7) is installed in contact with workpiece 2 (8), and workpiece 2 (8) is located between workpiece 1 (7) and the extrusion block (6), and the bottoms of workpiece 1 (7) and workpiece 2 (8) are both in contact with the bottom plate surface (51), and the side of workpiece 1 (7) facing away from workpiece 2 (8) is in contact with the inclined groove surface (52); the extrusion block (6) is pressed down until workpiece 1 (7) and workpiece 2 (8) cannot move. Step 2: hoisting and transporting the scrap edge shearing tool to the working platform (9), and then using the tailstock (11) and the main shaft (10) to push it into the connecting recess (12); Step 3, installing the carrier (16) on the central shaft (3), the installation position being on the side of the central shaft (3) facing the main shaft (10); snapping the convex strip (23) in the bayonet plate (17) into the concave strip groove (22), and adjusting the position of the connecting rod (14) so ​​as to be able to rotate with the central shaft (3) and to be in movable contact with the driving handle (15); installing a socket on the slider (30), and the connecting rod (14) is suitable for being inserted into the socket; Step 4, forward rotation, the main shaft (10) rotates to drive the central shaft (3) and the entire edge shearing tool to rotate, and when rotating along the arc groove (21), the connecting rod (14) squeezes the slider (30), driving it to abut against the abutment switch (29); the abutment switch (29) is used to transmit a signal to drive the electric push rod (26) to realize the position cylinder (25) at the extension of the cutter head, thereby realizing the grinding function; The handle (15) rotates in the opposite direction along with the main shaft (10), and the slider (30) moves away from the contact switch (29). The electric push rod (26) does not receive the signal, and the cutter head frame (27) retracts into the position tube (25), thereby protecting the cutting cutter head (28). Step 5, when the grinding wheel (13) needs to be ground, the forward rotation of step 4 is adopted; when it is not needed, the reverse rotation of step 4 is adopted; Step 6, during normal operation, the horizontal lead screw (33) is driven to drive the two sets of nut seats (34) to a horizontal position, the adjusting motor (42) drives the adjusting gear (43) to engage the incomplete gear (39) to rotate, so as to realize the rotation of the sector plate (36); the rotating motor (38) is turned on to drive the grinding wheel (13) to rotate; Achieve alignment of the grinding workpiece or grinding wheel (13); Complete the edge trimming work.

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