Automatic material packaging device for grinding head

Abstract

An automatic material wrapping device for a grinding head comprises a bottom plate, a locking device and a material binding device, the locking device is connected to the bottom plate, and the locking device is provided with a grinding head clamping structure used for clamping the grinding head, a cloth clamping structure used for clamping cloth and a clamp driving electric cylinder used for driving the grinding head clamping structure. The material binding device is connected to the bottom plate and arranged on the outer side of the locking device in a surrounding mode, the material binding device comprises a material wrapping structure and a fastening driving device, the grinding head is clamped on a grinding head clamping structure, cloth is clamped on a cloth clamping structure and leveled, and a clamp driving electric cylinder drives the grinding head clamping structure to drive the grinding head to jack up the cloth. And the fastening driving device drives the material wrapping structure to fasten the cloth on the grinding head through the bar. According to the scheme, the structural design of the locking device and the material binding device is adopted, and the effects that the grinding head material wrapping operation steps are simplified, the working efficiency is effectively improved, the material wrapping time is shortened, the material wrapping uniformity is improved, and the finished product quality of the aspheric optical element is improved are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of optics, and particularly relates to a grinding head automatic material wrapping device. Background Art

[0002] In the field of optics, for the polishing method of small and medium-sized aspherical optical elements, airbag polishing or small grinding head polishing is commonly used. When polishing with the small grinding head polishing method, it is necessary to wrap cloth on the grinding head. The current common material wrapping method is manual material wrapping, which has low work efficiency, long time consumption, is not easy to operate, and easily leads to uneven material wrapping, and then uneven polishing, affecting the finished product quality of aspherical optical elements. Therefore, the utility model proposes a new solution for the above technical problems. Content of the Utility Model

[0003] The purpose of the utility model is to provide a grinding head automatic material wrapping device, which adopts the structural design of a locking device plus a material binding device, achieving the effects of simplifying the operation steps of grinding head material wrapping, effectively improving work efficiency, reducing the time spent on material wrapping, improving the uniformity of material wrapping, and improving the finished product quality of aspherical optical elements.

[0004] Based on this, the utility model provides a grinding head automatic material wrapping device, including:

[0005] A bottom plate;

[0006] A locking device, which is connected to the bottom plate. The locking device is provided with a grinding head clamping structure for clamping the grinding head, a cloth clamping structure for clamping the cloth, and a clamp driving electric cylinder for driving the grinding head clamping structure;

[0007] A material binding device, which is connected to the bottom plate and surrounds the outside of the locking device. The material binding device includes a material wrapping structure and a fastening driving device. The grinding head is clamped on the grinding head clamping structure, the cloth is stuck on the cloth clamping structure and flattened, the clamp driving electric cylinder drives the grinding head clamping structure to drive the grinding head to lift the cloth, and the fastening driving device drives the material wrapping structure to fasten the cloth on the grinding head through a rod.

[0008] For a grinding head automatic material wrapping device as described above, the material wrapping structure includes a material feeding structure, a shearing structure, and a bending structure. The material feeding structure extrudes a rod, the rod is bent by the bending structure and wound around the combination of the grinding head and the cloth, and the fastening driving device drives the shearing structure to cut the rod and tighten the rod.

[0009] An automatic material feeding device for a grinding head as described above. The feeding structure is provided with a roller box, a first roller, a second roller, a first roller shaft, a second roller shaft, a first gear, a second gear, and a feeding drive motor. The first roller shaft is rotatably connected to the lower side of the roller box, the second roller shaft is rotatably connected to the upper side of the roller box relative to the first roller shaft. The first roller and the second roller are respectively fixedly connected to the first roller shaft and the second roller shaft to form a feeding gap, and the first roller and the second roller are installed inside the roller box. The feeding drive motor is connected to the outside of the roller box, and the feeding drive motor is connected to the first roller shaft to drive the first roller to rotate. The first gear and the second gear are connected to the other side of the roller box relative to the feeding drive motor, and are respectively connected to the first roller shaft and the second roller shaft to drive the first roller and the second roller to rotate synchronously in the feeding gap to squeeze the bar stock for feeding.

[0010] An automatic material feeding device for a grinding head as described above. The feeding structure is further provided with a guide pipe. The first roller and the second roller are respectively provided with a first feeding groove and a second feeding groove. The first feeding groove and the second feeding groove can cooperate to directionally squeeze the bar stock into the guide pipe for directional feeding.

[0011] An automatic material feeding device for a grinding head as described above. The bending structure is provided with a first bending tool and a second bending tool. The fastening drive device is provided with a first bending cylinder and a second bending cylinder. The first bending cylinder and the second bending cylinder respectively drive the first bending tool and the second bending tool to bend the bar stock longitudinally and transversely, and make the bar stock close to the grinding head.

[0012] An automatic material feeding device for a grinding head as described above. The shearing structure includes a first shearing tool and a second shearing tool. The first bending tool can abut against the first shearing tool and can move relative to the first shearing tool. The fastening drive device is further provided with a first shearing cylinder and a second shearing cylinder. The first shearing cylinder and the second shearing cylinder respectively drive the first shearing tool and the second shearing tool to cut and tighten the bent bar stock.

[0013] An automatic material feeding device for a grinding head as described above. The first bending tool is provided with a first arc portion, and the second bending tool is provided with a second arc portion. The first arc portion and the second arc portion cooperate to bend the bar stock longitudinally and transversely, and make the bar stock close to the grinding head.

[0014] An automatic material feeding device for a grinding head as described above. The first shearing tool is provided with a first bevel portion, and the second shearing tool is provided with a second bevel portion. The first bevel portion and the second bevel portion cooperate to cut and tighten the bar stock.

[0015] An automatic material wrapping device for a grinding head as described above, wherein the grinding head clamping structure is provided with clamping jaws and a clamping cylinder. The clamping jaws are connected to the clamping cylinder, and the grinding head drives the clamping jaws to clamp through the clamping cylinder. The fixture driving electric cylinder drives the clamping jaws to move, so that the grinding head abuts against the cloth of the cloth clamping structure.

[0016] An automatic material wrapping device for a grinding head as described above, wherein the cloth clamping structure is provided with a clamping and fixing part and a bracket. The clamping and fixing part is fixedly connected to the bottom plate, and the clamping and fixing part is provided with a guide chute. The bracket is swingably connected to the guide chute. The bracket is provided with a hook, and the cloth can be fixedly connected to the hook. The cloth is pulled flat by the swing of the bracket for the grinding head to abut against.

[0017] Implementing the embodiments of the present invention has the following beneficial effects:

[0018] 1. This solution adopts the structural design of a locking device plus a material binding device. The grinding head clamping structure on the locking device is used to clamp the grinding head firmly, and the cloth clamping structure is used to clamp and flatten the cloth so that the cloth is in a taut state. The fixture driving electric cylinder drives the grinding head clamping structure to lift the cloth. After the cloth is lifted, due to being in a taut state, it automatically wraps around the grinding head evenly. The fastening driving device on the material binding device drives the material wrapping structure to use a rod material to evenly fasten the cloth wrapped around the grinding head on the grinding head, realizing the transformation from manual material wrapping to automatic material wrapping, achieving the effects of simplifying the operation steps of grinding head material wrapping, effectively improving work efficiency, reducing the time spent on material wrapping, improving the uniformity of material wrapping, and improving the finished product quality of aspherical optical elements. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0020] Figure 1 It is a schematic structural diagram of the automatic material wrapping device for a grinding head of the present invention;

[0021] Figure 2 It is a front view structural diagram of the automatic material wrapping device for a grinding head of the present invention;

[0022] Figure 3 For corresponding Figure 2 partial hidden structural diagram;

[0023] Figure 4 For corresponding Figure 3 Enlarged view of part A;

[0024] Figure 5 Partial structure hidden view after the grinding head is clamped;

[0025] Figure 6 Partial structure hidden view of the wrapping cloth after the grinding head is clamped;

[0026] Figure 7 Partial structure hidden view of the fastening cloth after the grinding head is clamped;

[0027] Figure 8 Schematic structural view of the material conveying structure;

[0028] Figure 9 For corresponding Figure 8 Schematic structural view in another direction;

[0029] Figure 10 For corresponding Figure 8 Enlarged view of part B.

[0030] In the figure: 1 - bottom plate, 11 - control device, 12 - electric cylinder mounting seat; 211 - jaw, 212 - clamping cylinder, 22 - cloth clamping structure, 221 - clamping and fixing part, 222 - bracket, 2221 - hook, 23 - fixture driving electric cylinder, 231 - jaw mounting seat, 232 - electric cylinder driving motor; 31101 - roller bearing, 31102 - balance weight, 3111 - roller box, 3112 - first roller, 31121 - first material conveying groove, 3113 - second roller, 31131 - second material conveying groove, 3114 - first roller shaft, 3115 - second roller shaft, 3116 - first gear, 3117 - second gear, 3118 - feeding driving motor, 31181 - coupling, 3119 - guide pipe, 312 - shearing structure, 3121 - first shearing tool, 31211 - first bevel part, 3122 - second shearing tool, 31221 - second bevel part, 313 - bending structure, 3131 - first bending tool, 31311 - first arc part, 3132 - second bending tool, 31321 - second arc part, 321 - first bending cylinder, 322 - second bending cylinder, 323 - first shearing cylinder, 324 - second shearing cylinder; 4 - grinding head; 5 - cloth. Detailed implementation manners

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0032] As Figures 1 to 10 shown, an embodiment of the present utility model provides an automatic material wrapping device for a grinding head, including:

[0033] A bottom plate 1; a locking device, the locking device is connected to the bottom plate 1, the locking device is provided with a grinding head clamping structure for clamping the grinding head 4, a fabric clamping structure 22 for clamping the fabric 5, and a fixture driving electric cylinder 23 for driving the grinding head clamping structure; a tying device, the tying device is connected to the bottom plate 1 and surrounds the outside of the locking device, the tying device includes a material wrapping structure and a fastening driving device, the grinding head 4 is clamped on the grinding head clamping structure, the fabric 5 is stuck on the fabric clamping structure 22 and flattened, the fixture driving electric cylinder 23 drives the grinding head clamping structure to drive the grinding head 4 to lift the fabric 5, and the fastening driving device drives the material wrapping structure to fasten the fabric 5 to the grinding head 4 through a rod.

[0034] Specifically, the material wrapping structure includes a material feeding structure, a shearing structure 312, and a bending structure 313. The material feeding structure extrudes a rod, the rod is bent by the bending structure 313 and wound around the combination of the grinding head 4 and the fabric 5, and the fastening driving device drives the shearing structure 312 to cut the rod and tighten the rod; the material feeding structure includes a multi-stage extrusion mechanism, and the extrusion speed of each extrusion mechanism can be independently adjusted to adapt to rods of different lengths and shapes, so as to ensure that the rod can be evenly coated on the combination of the grinding head 4 and the fabric 5; an adjustable guiding groove is also provided in the extrusion path of the material feeding structure, which can adjust the conveying direction and angle of the rod according to the size and shape of different grinding heads 4 to improve the coating accuracy.

[0035] Furthermore, the feeding structure is provided with a roller box 3111, a first roller 3112, a second roller 3113, a first roller shaft 3114, a second roller shaft 3115, a first gear 3116, a second gear 3117, and a feeding drive motor 3118. The first roller shaft 3114 is rotatably connected to the lower side of the roller box 3111, the second roller shaft 3115 is rotatably connected to the upper side of the roller box 3111 relative to the first roller shaft 3114. The first roller 3112 and the second roller 3113 are respectively fixedly connected to the first roller shaft 3114 and the second roller shaft 3115 to form a feeding gap therearound, and the first roller 3112 and the second roller 3113 are installed inside the roller box 3111. The feeding drive motor 3118 is connected to the outside of the roller box 3111, and the feeding drive motor 3118 is connected to the first roller shaft 3114 through a coupling 31181, so as to stably drive the first roller 3112 to rotate to extrude the bar stock. The first gear 3116 and the second gear 3117 are connected to the other side of the roller box 3111 relative to the feeding drive motor 3118, and are respectively connected to the first roller shaft 3114 and the second roller shaft 3115 to drive the first roller 3112 and the second roller 3113 to rotate synchronously in the feeding gap to extrude the bar stock for feeding. Roller bearings 31101 are provided at the connecting parts on both sides of the first roller shaft 3114 and the second roller shaft 3115 and the roller box 3111. The roller bearings 31101 can significantly reduce the friction during rotation, reduce the wear caused by the bending or eccentricity of the shaft, ensure the precise meshing of the gears, and can also absorb the vibration generated by the gear transmission, reduce the impact on other components, so as to extend the service life of the gears and the roller shafts, reduce the replacement frequency and maintenance cost. A balance weight 31102 is further provided at the other end of the second roller shaft 3115 relative to the second gear 3117. The balance weight 31102 helps to prevent the shaft of the second roller shaft 3115 from bending due to weight imbalance, thereby maintaining the correct meshing of the gears, ensuring the smooth operation of the gear system, improving the transmission accuracy, and further improving the feeding accuracy. A protective cover is provided on the outside of the roller box 3111, and the protective cover is provided with a transparent window, so as to facilitate the operator to monitor the conveying process of the bar stock in real time and protect the safety of the operator at the same time. A clutch device can also be provided between the first gear 3116 and the second gear 3117 to allow the linkage between the two to be separated when needed, so as to facilitate the maintenance or adjustment of the rollers.

[0036] Furthermore, support columns are also provided inside the roller box 3111. The feeding structure is also provided with a feeding pipe 3119, which is connected to the support columns to improve the stability during the feeding process. Adjustable guiding vanes are provided on the inner wall of the feeding pipe 3119, and the guiding vanes are used to finely adjust the conveying direction and angle of the bar stock inside the feeding pipe, thereby improving the alignment accuracy when the bar stock is conveyed to the wrapping structure. First feeding grooves 31121 and second feeding grooves 31131 are respectively provided on the first roller 3112 and the second roller 3113. The first feeding grooves 31121 and the second feeding grooves 31131 are designed as semi-circular grooves. The continuous curve shape of the semi-circular grooves reduces the sharp edges or corners that the material may encounter during the extrusion process, thereby reducing damage, and also helps to provide better stability during the rotation of the rollers to prevent the material from shifting during the extrusion process. The first feeding grooves 31121 and the second feeding grooves 31131 can cooperate to directionally extrude the bar stock into the feeding pipe 3119 for directional feeding. Moreover, a low-friction coating is provided on the inner surface of the feeding pipe 3119 to reduce the frictional resistance between the bar stock and the feeding pipe 3119, ensure the smooth flow of the bar stock during the conveying process, and improve the stability of the feeding.

[0037] Furthermore, the bending structure 313 is provided with a first bending tool 3131 and a second bending tool 3132. The cutting edges of the first bending tool 3131 and the second bending tool 3132 are coated with a hard coating to improve the wear resistance and service life of the tools, and at the same time reduce the damage to the bar stock during the bending process. The fastening driving device is provided with a first bending cylinder 321 and a second bending cylinder 322. The first bending cylinder 321 and the second bending cylinder 322 are provided with a stroke adjustment device. By precisely controlling the stroke length of the cylinders, accurate bending of bar stocks with different lengths and thicknesses can be achieved to ensure the accuracy of the bending angle. The first bending cylinder 321 and the second bending cylinder 322 respectively drive the first bending tool 3131 and the second bending tool 3132 to bend the bar stock longitudinally and transversely, and make the bar stock closely adhere to the grinding head 4. The cutting edges of the first bending tool 3131 and the second bending tool 3132 can also be designed as detachable structures, so as to replace the tools according to different bar stock materials and thicknesses, thereby adapting to different operation requirements and improving the versatility and flexibility of the equipment.

[0038] Furthermore, the shearing structure 312 includes a first shearing tool 3121 and a second shearing tool 3122. The blade surfaces of the first shearing tool 3121 and the second shearing tool 3122 are coated with a superhard alloy coating to improve the wear resistance and impact resistance of the tools, thereby ensuring the durability and cutting quality of the tools during high-intensity shearing. The first bending tool 3131 can abut against the first shearing tool 3121 and can move relative to the first shearing tool 3121. The fastening drive device is also provided with a first shearing cylinder 323 and a second shearing cylinder 324. The first The shearing cylinder 323 and the second shearing cylinder 324 are provided with a buffer device, which controls the acceleration and deceleration during the shearing process to reduce the impact force on the bar material and avoid material deformation or breakage caused by severe shearing; the first shearing cylinder 323 and the second shearing cylinder 324 respectively drive the first shearing tool 3121 and the second shearing tool 3122 to shear and tighten the bent bar material; the shearing structure 312 is provided with a quick replacement mechanism, which allows the operator to quickly complete the tool replacement when the shearing tool needs to be replaced, so as to reduce equipment downtime and improve work efficiency.

[0039] Furthermore, the first bending tool 3131 is provided with a first arc portion 31311, and the second bending tool 3132 is provided with a second arc portion 31321. The surfaces of the first arc portion 31311 and the second arc portion 31321 are provided with fine lines to increase the friction between the rod and the tool during the bending process, thereby ensuring that the rod is stably attached to the tool during bending and avoiding slipping; the first arc portion 31311 and the second arc portion 31321 cooperate to bend the rod longitudinally and transversely, and make the rod close to the grinding head 4; the first arc portion 31311 and the second arc portion 31321 can also be designed as an adjustable design, by adjusting the curvature of the arc portion to adapt to rods of different diameters, making the bending operation more flexible and applicable.

[0040] Furthermore, the first shearing tool 3121 is provided with a first bevel portion 31211, and the second shearing tool 3122 is provided with a second bevel portion 31221, and the first bevel portion 31211 and the second bevel portion 31221 cooperate to shear and tighten the bar material; the inclinations of the first bevel portion 31211 and the second bevel portion 31221 are adjustable to adapt to bars of different materials and thicknesses, thereby optimizing the shearing effect and ensuring the smoothness and neatness of the sheared surface; the blades of the first bevel portion 31211 and the second bevel portion 31221 are also provided with a coating protective layer to reduce the wear of the blades during the shearing process and prevent the heat generated during shearing from damaging the tool, thereby improving the durability of the tool.

[0041] Furthermore, the grinding head clamping structure is provided with clamping jaws 211 and a clamping cylinder 212. The clamping jaws 211 are connected to the clamping cylinder 212. The grinding head 4 drives the clamping jaws 211 to clamp through the clamping cylinder 212. The fixture driving electric cylinder 23 drives the clamping jaws 211 to move up and down, so that the grinding head 4 abuts against the cloth 5 of the cloth clamping structure 22 and jacks up the cloth 5 to a taut state. The clamping jaws 211 are preferably designed with three jaws. The three-jaw clamping jaws can adapt to grinding heads 4 of different sizes and shapes, have good versatility, and can be evenly distributed around the object to provide balanced clamping force and reduce deformation or damage caused by uneven pressure. The inner surface of the clamping jaws 211 is also provided with anti-slip patterns or coatings to increase the friction between the clamping jaws 211 and the grinding head 4, ensure that the grinding head 4 does not slide during clamping, and improve the stability of clamping.

[0042] Furthermore, the cloth clamping structure 22 is provided with a clamping fixing part 221 and a bracket 222. The clamping fixing part 221 is fixedly connected to the bottom plate 1, and the clamping fixing part 221 is provided with a guide slide groove. The bracket 222 is swingably connected to the guide slide groove. A limit device is provided in the guide slide groove for controlling the maximum swing range of the bracket 222 to prevent the bracket from swinging too much and causing the cloth 5 to be excessively flattened or the bracket to be separated from the guide slide groove, so as to ensure the safety and stability of the operation; a plurality of the brackets 222 are arranged around the grinding head clamping structure to form a sliding cavity. The clamp driving electric cylinder 23 can drive the clamping claw 211 to move in the sliding cavity; the bracket 222 is preferably four, and the clamping fixing parts 221 are also preferably four. The clamping fixing parts 221 are symmetrically arranged around the grinding head clamping structure for the bracket 222 to connect, ensuring that the grinding head 4 can abut and lift the cloth 5 to complete the uniform surrounding of the cloth 5, thereby improving the efficiency of automatic packaging; the bracket 222 is provided with a hook 2221, and the cloth 5 can be fixedly connected to the hook 2221, through the bracket 222 The cloth 5 is swung to flatten and put the cloth 5 in a taut state, and the grinding head 4 abuts against and lifts the cloth 5 in a taut state, so that the cloth 5 is automatically wrapped on the grinding head 4 through tension, so that the cloth 5 can be evenly wrapped around the grinding head 4 after being fastened by the wrapping structure, ensuring the uniformity of the grinding head 4 after fastening and improving the quality of the finished product of the aspheric optical element after using the grinding head 4; the surface of the hook 2221 is provided with an anti-slip texture or coating to enhance the grip of the hook on the cloth and prevent the cloth from slipping due to friction during the flattening process. The bottom plate 1 is provided with an electric cylinder mounting seat 12, and the clamp driving electric cylinder 23 is provided with a clamping claw mounting seat 231 and an electric cylinder driving motor 232. The clamp driving electric cylinder 23 is connected to the electric cylinder mounting seat 12, and the clamping claw mounting seat 231 is slidably connected to the clamp driving electric cylinder 23 and is connected to the grinding head clamping structure. The electric cylinder driving motor 232 drives the clamp driving electric cylinder 23 to move, and then drives the clamping claw mounting seat 231 to slide up and down so that the grinding head 4 abuts against and lifts the cloth 5, so as to facilitate the rapid packaging of the material.

[0043] In the embodiment of the utility model, a control device 11 is provided on the base plate 1, and the control device 11 is fixedly connected to the base plate 1. The control device 11 is provided with a display screen and a device processor. The display screen is fixedly connected to the control device 11 and is electrically connected to the device processor. The parameters of the grinding head packaging device can be set through the display screen to realize the automatic packaging of the grinding head packaging device and improve the production efficiency.

[0044] It should be understood that in the present utility model, terms such as "first" and "second" are used to describe various information, but such information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of the present utility model, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information. In addition, the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0045] The above is the preferred embodiment of the present utility model. It should be pointed out that for those of ordinary skill in the art of this technology, without departing from the principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications are also regarded as the protection scope of the present utility model.

Claims

1. A grinding head automatic packing device, characterized in that: include: Bottom plate (1); A locking device, the locking device being connected to the base plate (1), the locking device being provided with a grinding head clamping structure for clamping a grinding head (4), a cloth clamping structure (22) for clamping a cloth (5), and a fixture driving electric cylinder (23) for driving the grinding head clamping structure; A material binding device, the material binding device is connected to the base plate (1) and is arranged around the outside of the locking device, the material binding device comprises a material wrapping structure and a fastening drive device, the grinding head (4) is clamped on the grinding head clamping structure, the cloth (5) is clamped on the cloth clamping structure (22) and flattened, the clamp driving electric cylinder (23) drives the grinding head clamping structure to drive the grinding head (4) to lift the cloth (5), and the fastening drive device drives the material wrapping structure to fasten the cloth (5) to the grinding head (4) through a rod.

2. The automatic material packing device for a grinding head according to claim 1, characterized in that: The material wrapping structure comprises a material feeding structure, a shearing structure (312), and a bending structure (313); the material feeding structure extrude a rod material; the rod material is bent by the bending structure (313) and wrapped around the grinding head (4) and the cloth (5) assembly; and the tightening drive device drives the shearing structure (312) to cut the rod material and tighten the rod material.

3. The automatic material packing device for a grinding head according to claim 2, characterized in that: The feeding structure is provided with a roller box (3111), a first roller (3112), a second roller (3113), a first roller shaft (3114), a second roller shaft (3115), a first gear (3116), a second gear (3117), and a feeding drive motor (3118); the first roller shaft (3114) is rotatably connected to the lower side of the roller box (3111); the second roller shaft (3115) is rotatably connected to the upper side of the roller box (3111) relative to the first roller shaft (3114); the first roller (3112) and the second roller (3113) are respectively fixedly connected to the first roller shaft (3114) and the second roller shaft (3115) to form a feeding gap; and the first roller The first roller (3112) and the second roller (3113) are installed in the roller box (3111); the feeding drive motor (3118) is connected to the outside of the roller box (3111), and the feeding drive motor (3118) is connected to the first roller shaft (3114) to drive the first roller (3112) to rotate; the first gear (3116) and the second gear (3117) are connected to the other side of the roller box (3111) relative to the feeding drive motor (3118), and are respectively connected to the first roller shaft (3114) and the second roller shaft (3115) to drive the first roller (3112) and the second roller (3113) to rotate synchronously in the feeding gap to extrude the rod material for feeding.

4. The automatic grinding head packing device according to claim 3, characterized in that: The material conveying structure is also provided with a material guide pipe (3119); the first roller (3112) and the second roller (3113) are respectively provided with a first material conveying trough (31121) and a second material conveying trough (31131); the first material conveying trough (31121) and the second material conveying trough (31131) can cooperate with the directionally extruding the rod material into the material guide pipe (3119) for directionally conveying the material.

5. The automatic material packing device for a grinding head according to claim 3, characterized in that: The bending structure (313) is provided with a first bending tool (3131) and a second bending tool (3132); the fastening drive device is provided with a first bending cylinder (321) and a second bending cylinder (322); the first bending cylinder (321) and the second bending cylinder (322) respectively drive the first bending tool (3131) and the second bending tool (3132) to bend the bar material longitudinally and transversely, and to make the bar material close to the grinding head (4).

6. The automatic grinding head packing device according to claim 5, characterized in that: The shearing structure (312) comprises a first shearing tool (3121) and a second shearing tool (3122); the first bending tool (3131) can abut against the first shearing tool (3121) and can move relative to the first shearing tool (3121); the tightening drive device is also provided with a first shearing cylinder (323) and a second shearing cylinder (324); the first shearing cylinder (323) and the second shearing cylinder (324) respectively drive the first shearing tool (3121) and the second shearing tool (3122) to shear and tighten the bent bar material.

7. The automatic grinding head packing device according to claim 6, characterized in that: The first bending tool (3131) is provided with a first circular arc portion (31311), and the second bending tool (3132) is provided with a second circular arc portion (31321), and the first circular arc portion (31311) and the second circular arc portion (31321) cooperate to bend the bar material longitudinally and transversely, and to make the bar material close to the grinding head (4).

8. The automatic grinding head packing device according to claim 6, characterized in that: The first shearing tool (3121) is provided with a first bevel portion (31211), and the second shearing tool (3122) is provided with a second bevel portion (31221), and the first bevel portion (31211) and the second bevel portion (31221) cooperate to shear and tighten the bar material.

9. The automatic grinding head packing device according to claim 1, characterized in that: The grinding head clamping structure is provided with a clamping claw (211) and a clamping cylinder (212); the clamping claw (211) is connected to the clamping cylinder (212); the grinding head (4) is clamped by driving the clamping claw (211) through the clamping cylinder (212); the clamp driving electric cylinder (23) drives the clamping claw (211) to move, thereby causing the grinding head (4) to abut against the cloth (5) of the cloth clamping structure (22).

10. The automatic grinding head packing device according to claim 9, characterized in that: The cloth clamping structure (22) is provided with a clamping fixing portion (221) and a bracket (222); the clamping fixing portion (221) is fixedly connected to the base plate (1), and the clamping fixing portion (221) is provided with a guide slide; the bracket (222) is swingably connected to the guide slide; the bracket (222) is provided with a hook (2221); the cloth (5) can be fixedly connected to the hook (2221) and can be swung and leveled by the bracket (222) for contact with the grinding head (4).

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