Grinding device for copper plate strip slitting knife

Abstract

The utility model discloses a grinding device for a copper plate strip slitting knife, which comprises a knife shaft arranged between a tailstock and a headstock on a roll grinder, the knife shaft comprises a cutter fixing section, the cutter fixing section is provided with a mounting key slot, a cutter fixing key is nested in the mounting key slot, and the cutter fixing key is fixedly connected with the cutter fixing section through a screw; extension necks are arranged at the left and right ends of the cutter fixing section; a bottom support is arranged at the inner side end of the extension neck on the left side; a top cover and a locking nut are arranged on the right extension neck; supporting tile seats are arranged at the positions, located at the extending necks, of a base of the roll grinder, the supporting tile seats are of L-shaped structures, first supporting tiles are horizontally arranged on the inner side faces of vertical plates of the supporting tile seats, and second supporting tiles are vertically arranged on the top faces of bottom plates of the supporting tile seats. The slitting cutter has the advantages that the slitting cutter and the cutter shaft are convenient to disassemble and assemble, the connecting structure of the cutter shaft and the slitting cutter is stable and firm, the grinding efficiency and grinding quality of the slitting cutter are improved, and high-precision grinding of the slitting cutters of different sizes is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to cold rolled strip steel processing technical field, concretely is a kind of grinding device for copper plate strip cutting knife. BACKGROUND

[0002] Cutting is an indispensable link in metal processing, and its importance is reflected in improving production efficiency. Metal plates are widely used in industrial fields, including automobile manufacturing, aerospace, electronic equipment, etc. In the production process, metal plates often need to be cut to achieve the required shape and size; one of the processing procedures of steel strip processing and distribution center needs to cut several narrow strip rolls from wide strip roll longitudinal shear; in order to ensure the normal cutting of the steel strip longitudinal shear unit, the outer circle of the disc cutting knife of the longitudinal shear unit must be ground to restore the cutting edge after wear; the grinding device for grinding the outer circle of the disc cutting knife is disclosed in patent No. CN213351770U, which specifically discloses a center frame support pad in the roll grinder for supporting the knife shaft, the cutting knife is installed on the knife shaft, the knife shaft is installed on the roll grinder through the center frame support pad, the grinder wheel is installed on the roll grinder, and the grinder wheel is adjusted to grind the cutting knife. However, there are problems such as unstable and reliable connection structure of the knife shaft and the cutting knife, which affects the grinding quality of the cutting knife, the support pad cannot be adjusted, and the knife shaft of different sizes cannot be abutted, so that the cutting knife of different sizes cannot be ground. SUMMARY

[0003] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a grinding device for copper plate strip cutting knife. The cutting knife and the knife shaft are easy to disassemble and assemble, the connection structure of the knife shaft and the cutting knife is stable and reliable, the grinding efficiency and quality of the cutting knife are improved, the knife shaft of different sizes can be abutted, and the cutting knife of different sizes can be ground. The position adjustment accuracy of the first support pad and the second support pad is high, which can effectively solve the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: A kind of grinding device for copper plate strip slitting cutter, including tailstock and headstock being equipped with on both sides of roll grinder, cutter shaft is equipped between tailstock and headstock, the cutter shaft includes cutter fixed section, installation key groove is set on the circumferential outer wall of cutter fixed section along its axial direction, and the inside bottom of installation key groove is equipped with connecting screw hole at equal intervals, cutter fixing key is nested in installation key groove, and step hole is set on cutter fixing key at the position corresponding to connecting screw hole, and cutter fixing key is fixedly connected with cutter fixed section by screw penetrating step hole and connecting screw hole;The left and right ends of cutter fixed section are equipped with the extension neck being coaxially arranged on the cutter shaft, the inner side end of left extension neck is equipped with bottom support, and shaft shoulder is formed between bottom support and cutter fixed section, and top hole is set on the outer side end surface of left extension neck;Top cover and locking nut are equipped on the right extension neck, top cover is located at the inner side of locking nut, the inner side end surface of top cover is equipped with compression convex ring, the inner diameter of compression convex ring is greater than the outer diameter of cutter fixed section, locking nut is threadedly connected with the right extension neck, and the circumferential side wall of right extension neck is equipped with transmission groove;The position corresponding to extension neck is equipped with wafer holder on the base of roll grinder, wafer holder is L-shaped structure, the inner side surface of wafer holder vertical plate is equipped with first wafer being horizontally arranged and being abutted with the outer wall side end of extension neck, and the top surface of wafer holder bottom plate is equipped with second wafer being vertically arranged and being abutted with the outer wall bottom end of extension neck.

[0005] Further, the top surface of the cutter fixing key is a circular arc surface.

[0006] Further, the inner side surface of the wafer holder vertical plate is provided with a guide blind hole one at a position corresponding to the first wafer along an axial direction thereof, and the first wafer is slidingly nested in the guide blind hole one.

[0007] Further, a limiting straight groove one is formed on the side wall of the first wafer along an axial direction thereof, and a limiting screw one is provided on the outer side wall of the wafer holder and perpendicular to the limiting straight groove one, and the end of the limiting screw one penetrates into the limiting straight groove one.

[0008] Further, the top surface of the support tray base is provided with a guide blind hole two at the position corresponding to the second support tray along the axial direction of the guide blind hole two, and the second support tray is slidingly nested in the guide blind hole two; the inner side surface of the support tray base is provided with a guide blind hole three horizontally at the position corresponding to the second support tray, and the guide blind hole three is slidingly nested with an adjusting shaft, the beginning end of the adjusting shaft and the end of the second support tray are both inclined surface structures, and the inclined surface of the beginning end of the adjusting shaft and the inclined surface of the end of the second support tray are matched; the end of the adjusting shaft is provided with a screw hole, and the screw hole is threadedly connected with an adjusting screw two, and the end of the adjusting screw two penetrates through the outer side surface of the support tray base and is rotationally connected with the support tray.

[0009] Further, the side wall of the adjusting shaft is provided with a limiting straight groove two along the axial direction of the limiting straight groove two, and the outer wall of the support tray is provided with a limiting screw two perpendicular to the limiting straight groove two, and the end of the limiting screw two penetrates into the limiting straight groove two.

[0010] Further, the bottom surface of the support tray base is provided with a giving slot along the length direction of the roll grinding machine, the outer side surface of the support tray base is rotationally provided with an adjusting screw three, the adjusting screw three is perpendicular to the opening direction of the giving slot, the beginning end of the adjusting screw three penetrates into the giving slot and is provided with a bevel gear; the top surface of the roll grinding machine base is provided with a linear guide rail along the length direction of the linear guide rail, and the support tray is slidingly nested on the linear guide rail; the top surface of the linear guide rail is provided with a mounting slot along the length direction of the linear guide rail, and the mounting slot is provided with a bevel gear rack, and the bevel gear and the bevel gear rack are meshed with each other; the top surface of the linear guide rail is provided with a fixing hole at equal intervals along the length direction of the linear guide rail, and the support tray is provided with a fixing screw at the position corresponding to the fixing hole, and the support tray is fixedly connected with the linear guide rail through the fixing screw penetrating the fixing hole.

[0011] Compared with the prior art, the copper plate strip cutting knife grinding device has the advantages that: the cutting knife is fixed and positioned in the circumferential direction by the cutting knife fixing key, the leftmost cutting knife abuts against the bottom support, the top cover is nested on the extended neck on the right side, the pressing convex ring of the top cover abuts against the rightmost cutting knife, and the locking nut locks the top cover; the cutting knife is fixed and positioned in the circumferential direction by the bottom support and the top cover, the cutting knife and the knife shaft are convenient to disassemble and assemble, the connection structure of the cutting knife and the knife shaft is stable and reliable, the grinding efficiency and quality of the cutting knife are improved, the abutting position of the first support tray on the circumferential side surface of the knife shaft can be adjusted by rotating the adjusting screw one, the abutting position of the second support tray on the circumferential bottom surface of the knife shaft can be adjusted by rotating the adjusting screw two, and the abutting position of the first support tray and the second support tray on the extended neck can be adjusted by rotating the adjusting screw three; different sizes of the knife shaft can be abutted, so that different sizes of the cutting knife can be ground, and the position adjustment precision of the first support tray and the second support tray is high. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model.

[0013] Figure 2 It is the schematic view of the knife shaft structure of the utility model;

[0014] Figure 3 It is the sectional view of the cutter fixed section of the knife shaft of the utility model;

[0015] Figure 4 It is the schematic view of the cutter fixed key structure of the utility model;

[0016] Figure 5 It is the side view of the cutter fixed key of the utility model;

[0017] Figure 6 It is the schematic view of the top cover structure of the utility model;

[0018] Figure 7 It is the schematic view of the wafer support structure of the utility model;

[0019] Figure 8 It is the sectional view of the wafer support of the utility model;

[0020] Figure 9 It is the schematic view of the first wafer support structure of the utility model;

[0021] Figure 10 It is the schematic view of the adjusting shaft structure of the utility model;

[0022] Figure 11 It is the schematic view of the adjusting shaft structure of the utility model.

[0023] In the drawing: 1, roll grinder; 2, guide rail; 21, installation groove; 22, fixed hole; 23, helical rack; 3, tailstock; 4, headstock; 5, knife shaft; 51, cutter fixed section; 511, installation keyway; 512, connecting screw hole; 52, bottom support; 53, extension neck; 54, center hole; 55, top cover; 551, compression convex ring; 56, locking nut; 57, transmission groove; 6, slitting cutter; 7, wafer support; 71, guide blind hole one; 72, first wafer support; 721, limiting straight groove one; 73, adjusting screw one; 74, guide blind hole two; 75, second wafer support; 76, guide blind hole three; 77, adjusting shaft; 771, limiting straight groove two; 78, adjusting screw two; 79, adjusting screw three; 710, helical gear; 711, accommodation groove; 712, limiting screw one; 713, limiting screw two; 714, fixed screw; 8, cutter fixed key; 81, step hole; 82, circular arc surface. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application. Embodiment

[0025] Please refer to Figures 1-11 The utility model provides a kind of technical solutions: a kind of copper plate strip slitting cutter is used grinding device, including the tailstock 3 and headstock 4 being equipped with both sides of roll grinder 1, tailstock 3 and headstock 4 between being equipped with cutter shaft 5, the cutter shaft 5 includes cutter fixed segment 51, and installation key groove 511 is set to the circumferential outer wall of cutter fixed segment 51 along its axial direction, and the inside bottom of installation key groove 511 is equipped with connecting screw hole 512 at equal intervals, cutter fixed key 8 is nested in installation key groove 511, and step hole 81 is set to the position of cutter fixed key 8 at corresponding connecting screw hole 512, and cutter fixed key 8 is fixedly connected with cutter fixed segment 51 by screw passing through step hole 81 and connecting screw hole 512;The top surface of cutter fixed key 8 is cambered surface 82;

[0026] The left and right ends of cutter shaft 5 located cutter fixed segment 51 are equipped with the extension neck 53 coaxially arranged, the inside end of left extension neck 53 is equipped with bottom support 52, and the shaft shoulder is formed between bottom support 52 and cutter fixed segment 51, and top pin hole 54 is set to the outside end surface of left extension neck 53;Right extension neck 53 is equipped with top cover 55 and locking nut 56, top cover 55 is located inside locking nut 56, the inside end surface of top cover 55 is equipped with compression convex ring 551, the inner diameter of compression convex ring 551 is greater than the outer diameter of cutter fixed segment 51, locking nut 56 is threadedly connected with right extension neck 53, and transmission groove 57 is set to the circumferential side wall of right extension neck 53;

[0027] The position of base of roll grinder 1 located extension neck 53 is equipped with towa seat 7, towa seat 7 is L-shaped structure, the inside surface of towa seat 7 vertical plate is equipped with first towa 72 horizontally arranged and can be abutted with the outer wall side end of extension neck 53, and the top surface of towa seat 7 bottom plate is equipped with second towa 75 vertically arranged and abutted with the outer wall bottom end of extension neck 53;

[0028] The inside surface of towa seat 7 vertical plate is set to guide blind hole one 71 along its axial direction at the position of first towa 72, and first towa 72 is slidingly nested in guide blind hole one 71;The end of first towa 72 is set to threaded hole, and adjusting screw one 73 is threadedly connected in the threaded hole, and the end of adjusting screw one 73 penetrates the outside surface of towa seat 7 vertical plate, and adjusting screw one 73 is rotationally connected with towa seat 7.

[0029] The top surface of the bottom plate of the towa seat 7 is provided with a guide blind hole two 74 at the position corresponding to the second towa 75 along the axial direction of the towa seat 7, and the second towa 75 is slidingly nested in the guide blind hole two 74; the inner side surface of the bottom plate of the towa seat 7 is horizontally provided with a guide blind hole three 76 at the position corresponding to the second towa 75, and an adjusting shaft 77 is slidingly nested in the guide blind hole three 76, the beginning end of the adjusting shaft 77 and the end of the second towa 75 are both inclined surface structures, and the inclined surface of the beginning end of the adjusting shaft 77 and the inclined surface of the end of the second towa 75 are matched; the end of the adjusting shaft 77 is provided with a screw hole, and the adjusting screw two 78 is threadedly connected in the screw hole, the end of the adjusting screw two 78 penetrates through the outer side surface of the bottom plate of the towa seat 7, and the adjusting screw two 78 is rotationally connected with the towa seat 7;

[0030] The bottom surface of the bottom plate of the towa seat 7 is provided with a clearance slot 711 along the length direction of the roll grinding machine 1, and the outer side surface of the bottom plate of the towa seat 7 is rotationally provided with an adjusting screw three 79, which is perpendicular to the opening direction of the clearance slot 711, and the beginning end of the adjusting screw three 79 penetrates into the clearance slot 711 and is provided with a helical gear 710; the top surface of the base of the roll grinding machine 1 is provided with a linear guide rail 2 along the length direction thereof, and the towa seat 7 is slidingly nested on the linear guide rail 2; the top surface of the linear guide rail 2 is provided with a mounting slot 21 along the length direction thereof, and the mounting slot 21 is provided with a helical rack 23, and the helical gear 710 and the helical rack 23 are meshed with each other; the top surface of the linear guide rail 2 is provided with fixed holes 22 at equal intervals along the length direction thereof, and the towa seat 7 is provided with fixed screws 714 at positions corresponding to the fixed holes 22, and the towa seat 7 is fixedly connected with the linear guide rail 2 through the fixed screws 714 penetrating the fixed holes 22.

[0031] Working principle:

[0032] A plurality of slitting knives 6 are installed and nested on the cutter fixing section 51 of the cutter shaft 5 along the cutter shaft 5, and the connecting key slots of the slitting knives 6 are nested on the cutter fixing keys 8, and the slitting knives 6 are circumferentially limited and fixed by the cutter fixing keys 8, and the top surface of the cutter fixing key 8 is a circular arc surface 82, which facilitates the installation of the slitting knives 6 and the cutter shaft 5; the leftmost slitting knife 6 abuts against the bottom support 52, the top cover 55 is nested on the extended neck 53 on the right side, the pressing convex ring 551 of the top cover 55 abuts against the rightmost slitting knife 6, and the locking nut 56 locks the top cover 55; the slitting knives 6 are circumferentially limited and fixed by the bottom support 52 and the top cover 55;

[0033] The slitting knives 6 together with the cutter shaft 5 are placed on the towa seat 7, the headstock 4 and the tailstock 3 of the roll grinding machine 1 are driven to move towards the end of the cutter shaft 5, the driving chuck on the headstock 4 and the tailstock 3 on the tailstock 3 are connected to and fastened to the two ends of the cutter shaft 5, the cutter shaft 5 is driven by the roll grinding machine 1 to drive the slitting knives 6 to rotate, and the slitting knives 6 are ground by the abrasive wheel 11 of the roll grinding machine 1.

[0034] When the roll grinder 1 grinds the slitting knife 6 of different sizes, another knife shaft 5 of the same size needs to be used to press and install the slitting knife 6, so the first supporting tile 72 and the second supporting tile 75 on the supporting tile seat 7 need to be adjusted to ensure that the knife shaft 5 is coaxial with the center and the driving chuck of the roll grinder 1, the first supporting tile 72 is axially moved along the guide blind hole 71 by rotating the adjusting screw 73, so as to adjust the abutting position of the first supporting tile 72 to the circumferential side of the knife shaft 5; the adjusting shaft 77 is axially moved along the guide blind hole 76 by rotating the adjusting screw 78, so that the second supporting tile 75 can be axially moved along the guide blind hole 74, thereby adjusting the abutting position of the second supporting tile 75 to the circumferential bottom of the knife shaft 5; the bevel gear 710 is rotated by rotating the adjusting screw 73, the bevel gear 710 is engaged with the rack 23 to adjust the abutting position of the first supporting tile 72 and the second supporting tile 75 to the extended neck 53, and then the supporting tile seat 7 is fixed on the guide rail 2 by rotating the fixing screw 714.

[0035] Further, a limiting straight groove 721 is formed in the side wall of the first supporting tile 72 along the axial direction thereof, a limiting screw 712 perpendicular to the limiting straight groove 721 is arranged on the outer side wall of the supporting tile seat 7, and the end of the limiting screw 712 penetrates into the limiting straight groove 721; a limiting straight groove 771 is formed in the side wall of the adjusting shaft 77 along the axial direction thereof, a limiting screw 713 perpendicular to the limiting straight groove 771 is arranged on the outer wall of the supporting tile seat 7, and the end of the limiting screw 713 penetrates into the limiting straight groove 771; the axial movement of the first supporting tile 72 is circumferentially limited by the limiting straight groove 721 and the limiting screw 712, and the axial movement of the adjusting shaft 77 is circumferentially limited by the limiting straight groove 771 and the limiting screw 713, so that the position adjustment accuracy of the first supporting tile 72 and the second supporting tile 75 is high.

[0036] The grinding device for copper plate strip slitting cutter disclosed by the embodiment is used for circumferentially limiting and fixing the slitting cutter 6 through the cutter fixing key 8, and the leftmost slitting cutter 6 abuts against the bottom support 52, the top cover 55 is nested on the extended neck 53 on the right side, the pressing convex ring 551 of the top cover 55 abuts against the rightmost slitting cutter 6, and the locking nut 56 is used for locking the top cover 55; the slitting cutter 6 is circumferentially limited and fixed through the bottom support 52 and the top cover 55, the slitting cutter 6 is convenient to disassemble and assemble with the cutter shaft 5, the connection structure of the cutter shaft 5 and the slitting cutter 6 is stable and reliable, the grinding efficiency and the grinding quality of the slitting cutter 6 are improved; the abutting position of the first supporting plate 72 on the circumferential side surface of the cutter shaft 5 can be adjusted through the screwing of the adjusting screw rod one 73; the abutting position of the second supporting plate 75 on the circumferential bottom surface of the cutter shaft 5 can be adjusted through the screwing of the adjusting screw rod two 78; the abutting position of the first supporting plate 72 and the second supporting plate 75 on the extended neck 53 can be adjusted through the screwing of the adjusting screw rod three 79; different sizes of cutter shafts 5 can be abutted, so that the grinding of different sizes of slitting cutters 6 is met; and the position adjustment precision of the first supporting plate 72 and the second supporting plate 75 is high.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A grinding device for copper plate strip slitting cutter, comprising tailstock and headstock arranged on both sides of the roll grinder, cutter shaft arranged between the tailstock and the headstock, characterized in that: The cutter shaft comprises a cutter fixing section, an installation key groove is formed on the circumferential outer wall of the cutter fixing section along the axial direction thereof, equidistant connecting screw holes are formed at the inner bottom end of the installation key groove, a cutter fixing key is nested in the installation key groove, step holes are formed on the cutter fixing key at positions corresponding to the connecting screw holes, and the cutter fixing key is fixedly connected with the cutter fixing section through screws penetrating the step holes and the connecting screw holes.

2. The grinding device for a slitting blade of a copper strip according to claim 1, characterized in that: The top surface of the cutter fixing key is a circular arc surface.

3. The grinding device for a slitting blade of a copper strip according to claim 1, characterized in that: A guide blind hole one is formed on the inner side surface of the vertical plate of the wafer holder at a position corresponding to the first wafer holder along the axial direction thereof, and the first wafer holder is slidingly nested in the guide blind hole one.

4. The grinding device for a slitting blade of a copper strip according to claim 3, characterized in that: A threaded hole is formed at the end of the first wafer holder, an adjusting screw one is threadedly connected in the threaded hole, and the end of the adjusting screw one penetrates the outer side surface of the vertical plate of the wafer holder.

5. The grinding device for a slitting blade of a copper strip according to claim 1, characterized in that: A limiting straight groove one is formed on the side wall of the first wafer holder along the axial direction thereof.

6. The grinding device for a slitting blade of a copper strip according to claim 5, characterized in that: A guide blind hole two is formed on the top surface of the bottom plate of the wafer holder at a position corresponding to the second wafer holder along the axial direction thereof, and the second wafer holder is slidingly nested in the guide blind hole two. A guide blind hole three is horizontally formed on the inner side surface of the bottom plate of the wafer holder at a position corresponding to the second wafer holder, an adjusting shaft is slidingly nested in the guide blind hole three, the beginning end of the adjusting shaft and the end of the second wafer holder are both inclined surfaces, and the inclined surfaces of the beginning end of the adjusting shaft and the end of the second wafer holder are in abutment. A screw hole is formed at the end of the adjusting shaft, an adjusting screw two is threadedly connected in the screw hole, the end of the adjusting screw two penetrates the outer side surface of the bottom plate of the wafer holder, and the adjusting screw two is rotationally connected with the wafer holder. A limiting straight groove two is formed on the side wall of the adjusting shaft along the axial direction thereof, and a limiting screw two is arranged on the outer wall of the wafer holder and perpendicular to the limiting straight groove two, the end of the limiting screw two penetrates into the limiting straight groove two.

7. The grinding device for a slitting blade of a copper strip according to claim 1, characterized in that: The bottom surface of the support tray base is provided with a clearance groove along the length direction of the roll grinder, and the outer side surface of the support tray base is rotatably provided with an adjusting screw three, which is perpendicular to the opening direction of the clearance groove, and the beginning end of the adjusting screw three penetrates into the clearance groove and is provided with a bevel gear; the top surface of the roll grinder base is provided with a linear guide rail along the length direction thereof, and the support tray is slidingly nested on the linear guide rail; the top surface of the linear guide rail is provided with a mounting groove along the length direction thereof, and the mounting groove is provided with a bevel rack, and the bevel gear and the bevel rack are mutually engaged; the top surface of the linear guide rail is provided with fixed holes at equal intervals along the length direction thereof, and the support tray is provided with fixed screws at positions corresponding to the fixed holes, and the support tray is fixedly connected with the linear guide rail through the fixed screws penetrating the fixed holes.

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