Punching grinding tool and method for hardware fitting machining

Abstract

The invention discloses a punching grinding tool and method for hardware fitting machining, and relates to the technical field of hardware fitting machining. A short rod is rotationally installed in the machining box, an installation box is fixedly installed in the machining box, a switching structure and an operation machining part are installed between the short rod and the installation box in a matched mode, and a square hole is formed in the lower portion of the installation box. The method further comprises the following steps that S1, the initial state is; the third ball nut and the annular block are located at the lower end of the third reciprocating lead screw, a certain interval is formed between the two retaining rings, and the first spring is in an uncompressed state. The device has the advantages that when hardware fittings are assembled and machined, the needed punches or polishing rods are taken down and clamped and installed, the process is convenient and fast, stability during machining is achieved through fixing of an air cylinder, a clamping column and the like in the machining process, the damaged punches or polishing rods can be replaced in a portable mode after multiple times of machining is completed, and the machining efficiency is improved. And the machining effect and the machining automation degree are improved.

Description

Technical Field

[0001] The invention relates to the technical field of hardware accessories processing, and in particular to a hardware accessories processing punching tool and method. Background Art

[0002] During the production and processing of hardware accessories, it is necessary to punch holes and grind them after punching. Due to the variety of punching sizes, different punches often need to be replaced. The processing equipment currently used can only perform positioning processing on hardware accessories during the processing process. The punch cannot be replaced during processing, and the processing efficiency is low. At the same time, grinding after punching also requires the replacement of other equipment, and the operation is more cumbersome. Therefore, it is urgent to design a hardware accessories processing punching mold to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to solve the problems raised in the background technology, and to propose a punching mold and method for processing hardware accessories.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions: A punching tool for processing hardware accessories, comprising a processing box; A driving clamping part, a short rod is rotatably installed in the processing box, a mounting box is fixedly installed in the processing box, a switching structure is installed between the short rod and the mounting box, a motor three is fixedly installed in the mounting box, and a rotating exchange structure is installed between the driving end of the motor three and the mounting box; Operation processing part, a square hole is opened at the bottom of the installation box, two support plates 1 are fixedly installed in the installation box, a mobile processing structure is installed between the two support plates 1, a connecting seat is installed on the mobile processing structure, and a locking structure is installed in the connecting seat; The replacement part is installed, and a clamping structure is mounted on the locking structure.

[0005] In the above-mentioned punching mold for hardware accessories processing, the switching structure includes a turntable, a motor 1, and a motor cover. The motor cover and the motor 1 are fixedly installed on one side of the installation box, and the motor 1 is located in the motor cover. The driving end of the motor 1 is fixedly installed with a turntable, and one side of the turntable is fixedly connected to one end of the short rod. A plurality of circular grooves are opened around the turntable, and locking structures are also installed in the plurality of circular grooves, and a clamping structure is also installed on each of the locking structures.

[0006] In the above-mentioned hardware accessories processing punching mold, the rotation exchange structure includes a bevel gear 1, a rotating rod, a fan-shaped gear, a thin rod, a tooth groove, a mounting cylinder, a gear 2 and a connecting ring. The driving end of the motor 3 is fixedly installed with a rotating rod, and a mounting cylinder is rotatably installed on the rotating rod, and the lower end of the mounting cylinder passes through the mounting box and extends to the bottom of the mounting box. A bevel gear 1 is fixedly installed on the lower end of the rotating rod, a tooth groove is provided on the mounting cylinder, and a tooth groove is also provided on the rotating rod. A thin rod is fixedly installed on the mounting cylinder, and a gear 2 meshing with two tooth grooves is rotatably installed on the thin rod, a fan gear is fixedly installed on the rotating rod, and a connecting ring is fixedly sleeved on the mounting cylinder, a linkage assembly is installed in the mounting box, and a clamping assembly is installed at the lower end of the mounting cylinder.

[0007] In the above-mentioned hardware accessories processing punching mold, the linkage assembly includes a gear one, a reciprocating screw rod three, a long plate, a ball nut three and an annular block. A long plate is fixedly installed on one side of the connecting ring, a reciprocating screw rod three is rotatably installed in the installation box, a gear one meshing with a fan-shaped gear is fixedly installed on the reciprocating screw rod three, a ball nut three is threadedly installed on the reciprocating screw rod three, and an annular block is provided on the outer fixed sleeve of the ball nut three.

[0008] In the above-mentioned hardware accessories processing punching mold, the clamping assembly includes an installation box, a movable clamp, a reciprocating screw rod, a cylinder, a ball nut, a ball nut, a limit block, a short clamp and a bevel gear. The lower end of the installation cylinder is fixedly installed with an installation box, a circular hole is opened on the installation box, and cylinders are slidably installed on both sides of the installation box, and the ends of the two cylinders that are close to each other are fixedly installed with ball nuts, and the ends of the two cylinders that are far away from each other are fixedly installed with short clamps, and a reciprocating screw rod 2 is slidably installed between the two ball nuts 1, and the part of the reciprocating screw rod 2 located in the circular hole is fixedly installed with a bevel gear 2 meshing with the bevel gear 1, and two ball nuts 2 are threadedly installed on the reciprocating screw rod 2, and the two ball nuts 2 are fixedly installed with a movable clamp, and limited blocks are fixedly installed on both sides of the installation box, and the movable clamp slides on the limit blocks.

[0009] In the above-mentioned hardware accessories processing punching mold, the movable processing structure includes a mounting seat, a stabilizing rod, a reciprocating screw rod and a motor. The stabilizing rod and the reciprocating screw rod are rotatably installed between the two support plates. One end of the reciprocating screw rod passes through the rotating support plate and is fixedly installed with the motor in the mounting box. The mounting seat is slidably installed on the stabilizing rod and the reciprocating screw rod, and the connecting seat is fixedly installed below the mounting seat through a square hole.

[0010] In the above-mentioned punching mold for hardware accessories processing, the locking structure includes a cylinder and a connecting cover, a square cavity is opened in the connecting seat, a cylinder is fixedly installed in the square cavity, a connecting cover is fixedly installed on the driving end of the cylinder, an installation groove is opened under the connecting seat, and a self-locking component used in conjunction with the connecting cover is installed in the square cavity and the installation groove.

[0011] In the above-mentioned hardware accessories processing punching mold, the self-locking component includes a limit rod, a second spring, a second connecting rod, an arc plate and a third spring. The connecting seat is provided with an annular groove connected to the mounting groove, and multiple arc plates are slidably installed in the annular groove. The connecting seat is provided with multiple vertical grooves connected to the annular groove and the square cavity. The multiple arc plates are fixedly installed with springs three on the sides away from each other, and the springs three are all located in the annular groove. The multiple springs three are fixedly installed with connecting rods two located in the vertical groove on the ends away from each other, and the multiple connecting rods two are fixedly installed with limit rods on the sides close to the upper ends of the multiple connecting rods two. Multiple annular plates are fixedly installed in the square cavity, each of the limit rods is slidably installed on the corresponding annular plate, and a spring two is fixedly installed between the annular plate and the limit rod. Each of the limit rods is provided with a mounting hole, and a block is slidably installed in each mounting hole.

[0012] In the above-mentioned punching mold for hardware accessories processing, the clamping structure includes a ball bar, a clamping column, a mounting cover, a buckle ring, a mounting seat 2, a self-clamping punch, a groove, a first spring and a pushing block, the connecting seat is clamped and installed with the ball bar, the mounting cover is fixedly installed on the ball bar, a plurality of grooves are opened on the mounting cover, a plurality of first springs are fixedly installed in the plurality of the grooves, a clamping column is fixedly installed on the plurality of the first springs, and the lower end portion of the clamping column is located in the groove, two buckles are slidably installed on the mounting cover, and the two buckles are slidably installed between the two buckles, and the mounting seat 2 is slidably installed below the two buckles, a pushing block located between two semi-cylinders is fixedly installed on the middle part of the ball bar, and the mounting seat 2 is fixedly installed below the pushing block, a self-clamping punch is slidably installed below the mounting seat 2, and the lower end of the ball bar passes through the mounting seat 2 and extends to the bottom of the mounting seat 2, and the self-clamping punch is clamped at the lower end of the ball bar, and an elastic component used in conjunction with an arc plate is installed between the mounting cover and the two buckles; The elastic component includes a connecting rod 1, a fixing plate, a spring 1, a limiting plate and a semi-cylinder. A plurality of connecting rods 1 are fixedly installed in the two buckles, two limiting plates are fixedly installed in the mounting cover, a fixing plate is fixedly installed below the two limiting plates, and a plurality of connecting rods 1 are slidably installed on the corresponding fixing plates, a semi-cylinder is commonly fixedly installed at one end of the corresponding plurality of connecting rods 1 away from the buckle, a plurality of springs 1 are commonly fixedly installed between the corresponding fixing plates and the semi-cylinder, and the connecting rod 1 is located in the middle of the corresponding spring 1.

[0013] A method for using a punching tool for processing hardware accessories, using the punching tool for processing hardware accessories as described above, comprises the following steps: S1: The initial state is: the ball nut three and the annular block are located at the lower end of the reciprocating screw rod three, there is a certain interval between the two buckles, the spring one is in an uncompressed state, the spring two and the spring three are in an uncompressed state, and there is a certain gap between the multiple arc plates; S2: clamping the punch or grinding rod; controlling motor 1 to start, motor 1 starts to drive the turntable to rotate, the turntable rotates to rotate the required punch or grinding rod to the bottom, then controlling motor 3, the driving end of motor 3 rotates to drive the rotating rod to rotate, the rotating rod rotates to drive bevel gear 1, fan gear and gear 2 to rotate at the same time, the rotation of gear 2 drives the installation cylinder to rotate, the rotation of the installation cylinder drives the installation box to rotate, the rotation of the fan gear drives gear 1 to rotate, the rotation of gear 1 drives the reciprocating screw rod 3 to rotate, the rotation of reciprocating screw rod 3 drives the annular block to move upward through ball nut 3, the upward movement of the annular block drives the connecting ring to move upward through the long plate; The connecting ring moves upward and drives the installation box upward through the installation cylinder. At the same time, bevel gear one drives bevel gear two to rotate. The rotation of bevel gear two drives reciprocating screw rod two to rotate. The rotation of reciprocating screw rod two drives the two cylinders and the short clamp to move away from each other through two ball nuts one. At the same time as the reciprocating screw rod two rotates, the two moving clamps are driven to move toward each other through two ball nuts two. The distance between the corresponding moving clamp and the short clamp is shortened. At this time, one of the moving clamps and the short clamp on the installation box rotates to the bottom of the required punch or grinding rod, and the punch or grinding rod is clamped and removed in cooperation with the installation box to move upward. S3: Install the punch or the grinding rod; at this time, the clamped punch or the grinding rod reaches the bottom of the connecting seat, and the ball on the ball rod reaches the end where the multiple limit rods are close to each other, squeezing the multiple limit rods to move away from each other, and the multiple springs 2 are in a stretched state. At this time, the mounting holes on the multiple limit rods are all located outside the clamping column, and the spring 3 drives the multiple arc plates to approach each other until there is no gap between the arc plates. At this time, the spring 3 is in a compressed state; Then the rod body of the ball club reaches the gap formed by the ends of the plurality of limit rods approaching each other, the spring 2 returns to the uncompressed state, the limit rods move in the direction of approaching each other, at this time the mounting hole is engaged with the corresponding clamping column, the ball on the ball club is located below the connecting cover (above the plurality of limit rods), the clamping column moves upward to squeeze the clamping block, at this time the upper ends of the clamping blocks are all located in the connecting cover, the plurality of arc plates squeeze the two buckles, the buckles squeeze inward, and the semi-cylinders are driven to move in the direction of approaching each other through the plurality of connecting rods 1, the plurality of springs 1 are in a stretched state, and can cooperate with the plurality of arc plates to clamp the clamping structure; S4: Assemble and process the hardware accessories; turn on the second motor, the driving end of the second motor rotates to drive the reciprocating screw rod to rotate, the rotation of the reciprocating screw rod drives the mounting seat to move, and the movement of the mounting seat drives the clamping structure installed thereon to process the hardware accessories; S5: Replace the punch or the grinding rod; start the cylinder to shorten its driving end, and use the movement of motor 2 to stop the mounting seat 1 and the connecting seat at one end close to the mounting box. At this time, turn off motor 2, and repeat the steps of clamping the punch or the grinding rod again, and remove the punch or the grinding rod under the connecting seat. When removing the punch or the grinding rod downward, the ball reaches the end close to the multiple limit rods again, so that the mounting hole on the limit rod is separated from the clamping column. At this time, spring 2 is in an uncompressed state, and spring 3 is also in an uncompressed state again. Remove the punch or the grinding rod for replacement, and process the hardware accessories again.

[0014] Compared with the prior art, the present invention has the following advantages: 1: The present invention has the advantage of automatically replacing the punch or the grinding rod when processing the hardware accessories. Through the cooperation of the movable clamp and the short clamp, the punch and the corresponding matching grinding rod are replaced and installed in sequence during use, which is convenient for grinding after punching. The process is automated and convenient, and can meet the punching or grinding requirements of the hardware accessories. There are multiple grinding rods and punches, which is convenient for completing the punching and grinding requirements of different sizes.

[0015] 2: The present invention has the advantage of convenient installation when processing hardware accessories. Through the cooperation between the limit rod, the installation hole, the clamping column, etc., the punch or the grinding rod can be automatically engaged and taken out, and the cylinder can be used to achieve the stability of the punch or the grinding rod during processing. The punch or the grinding rod can be stably processed on the basis of portable installation.

[0016] 3: The present invention has the advantage of replacing damaged punches or grinding rods when processing hardware accessories. Through the cooperation between the self-clamping punch and the second mounting seat, when the punches or grinding rods of different punches are replaced, the damaged punch can be replaced at the same time, thereby improving the processing efficiency and increasing the service life of the equipment.

[0017] In summary, when assembling and processing hardware accessories, the present invention can remove the required punch or grinding rod and install it by snapping it into place, so the process is convenient and quick. During processing, it is fixed with a cylinder, a clamping column, etc. to achieve stability during processing. After multiple processing is completed, the damaged punch or grinding rod can be replaced in a portable manner, thereby improving the processing effect and the degree of automation of the processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is a schematic diagram of the structure of a punching tool for processing hardware accessories proposed by the present invention; Figure 2 It is an enlarged schematic diagram of the structure of the turntable part; Figure 3 This is an enlarged schematic diagram of the structure inside the installation box; Figure 4 It is an enlarged schematic diagram of the structure of the connecting ring part; Figure 5 It is an exploded schematic diagram of the sector gear part; Figure 6 It is an exploded schematic diagram of the mobile clamp part; Figure 7 It is a cross-sectional view of the internal structure of the connecting seat; Figure 8 It is an enlarged schematic diagram of the structure of the limit rod part; Fig. 9 It is an enlarged schematic diagram of the structure of the buckle part; Fig.10 It is an enlarged schematic diagram of the structure of the thread block part.

[0019] In the figure: 1. Processing box; 2. Turntable; 3. Mounting box; 4. Mounting seat 1; 5. Processing seat; 6. Stabilizing rod; 7. Reciprocating screw rod 1; 8. Motor 1; 9. Short rod; 10. Motor cover; 11. Mounting box; 12. Moving clamp; 13. Motor 2; 14. Reciprocating screw rod 2; 15. Cylinder; 16. Ball nut 1; 17. Ball nut 2; 18. Stop block; 19. Bevel gear 1; 20. Turning rod; 21. Motor 3; 22. Ball rod; 23. Clamping column; 24. Mounting cover; 25. Retaining ring; 26. Mounting Seat 2; 27. Ball nut 3; 28. Connecting ring; 29. ​​Connecting rod 1; 30. Fixing plate; 31. Spring 1; 32. Limiting plate; 33. Fan gear; 34. Long plate; 35. Self-clamping punch; 36. Gear 1; 37. Cylinder; 38. Reciprocating screw 3; 39. Ring block; 40. Connecting cover; 41. Connecting seat; 42. Limiting rod; 43. Spring 2; 44. Connecting rod 2; 45. Arc plate; 46. Spring 3; 47. Short clip; 48. Bevel gear 2; 49. Mounting tube; 50. Gear 2. DETAILED DESCRIPTION

[0020] 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.

[0021] Reference Figure 1-Figure 10, a punching tool for processing hardware accessories, comprising a processing box 1; A driving clamping part is provided, a rotating groove is provided in the processing box 1, a short rod 9 is rotatably installed in the rotating groove, an installation box 3 is fixedly installed in the processing box 1, the installation box 3 is used to install and support the motor 8, and at the same time can cover the structure used for operation, reduce the accumulation of dust, and make cleaning easier. An observation hole is provided on the processing box 1, and a tempered glass for observation is fixedly installed in the observation hole, which can facilitate observation by personnel during operation; a switching structure is installed between the short rod 9 and the installation box 3, and the switching structure includes a turntable 2, a motor 8, and a motor cover 10. A motor cover 10 is fixedly installed on one side of the installation box 3, and a fixed glass is provided in the motor cover 10. A motor 8 is installed, and a turntable 2 is fixedly installed on the driving end of the motor 8, and one side of the turntable 2 is fixedly connected to one end of a short rod 9. A plurality of circular grooves are opened around the turntable 2, and locking structures are also installed in the plurality of circular grooves. A clamping structure is installed on each locking structure, and some clamping structures are used for clamping and installing punches, and some clamping structures are used for installing grinding rods. The punches are connected to the grinding rods, and adjacent punches are used in conjunction with the grinding rods. The punches installed on the plurality of clamping structures on the turntable 2 are different, and the clamping structure can be replaced by rotating the turntable 2 according to different processing operations, which is more convenient to use.

[0022] A processing seat 5 and a motor three 21 are fixedly installed in the installation box 3. The processing seat 5 is used to install the hardware accessories required for processing. A rotation exchange structure is installed between the driving end of the motor three 21 and the installation box 3. The rotation exchange structure includes a bevel gear one 19, a rotating rod 20, a sector gear 33, a thin rod, a tooth groove, an installation cylinder 49, a gear two 50 and a connecting ring 28. The driving end of the motor three 21 is fixedly installed with a rotating rod 20, and a bearing is fixedly installed outside the rotating rod 20. A mounting cylinder 49 is rotatably installed outside the bearing, and the lower end of the mounting cylinder 49 passes through the installation box 3 and extends to the bottom of the installation box 3. A bevel gear one 19 is fixedly installed at the lower end of the rotating rod 20, a tooth groove is provided on the mounting cylinder 49, and a tooth groove is also provided on the rotating rod 20. A thin rod is fixedly installed on the mounting cylinder 49, and a gear two 50 meshing with two tooth grooves is rotatably installed on the thin rod. A sector gear 33 is fixedly installed on the rotating rod 20, and a connecting ring 28 is fixedly sleeved on the mounting cylinder 49.

[0023] The mounting cylinder 49 is named functionally here, and is used to cooperate with the cylinder for mounting other structures. Other corresponding technical features in the text are also named in this way for easy distinction and understanding. The bearing can drive the mounting cylinder 49 to rotate while utilizing the gear 2 50 to realize the rotation of the bevel gear 19. The bottom of the mounting cylinder 49 is opened.

[0024] A linkage assembly is installed in the installation box 3, and the linkage assembly includes a gear 1 36, a reciprocating screw rod 38, a long plate 34, a ball nut 3 27 and an annular block 39. The long plate 34 is fixedly installed on one side of the connecting ring 28, and a reciprocating screw rod 3 38 is rotatably installed in the installation box 3. A gear 1 36 meshing with the fan gear 33 is fixedly installed on the reciprocating screw rod 38, and a ball nut 3 27 is threadedly installed on the reciprocating screw rod 38. An annular block 39 is fixedly sleeved outside the ball nut 327; the rotation of the fan gear 33 drives the gear 1 36 to rotate, thereby realizing the rotation of the reciprocating screw rod 3 38, and the installation tube 49 is driven up and down by the annular block 39, the long plate 34, the connecting ring 28, etc., and the connecting ring 28 has a certain thickness, which can prevent the rotation of the reciprocating screw rod 38 from rubbing against the installation tube 49.

[0025] The lower end of the mounting cylinder 49 is provided with a clamping assembly for clamping the punch or grinding rod on the turntable 2 (the clamped portion of the punch or grinding rod is set to the same shape, specifically, the clamped portion is directly fixedly set on the existing punch or grinding rod), the clamping assembly includes a mounting box 11, a movable clamp 12, a reciprocating screw rod 14, a cylinder 15, a ball nut 16, a ball nut 2 17, a limit block 18, a short clamp 47 and a bevel gear 2 48, the lower end of the mounting cylinder 49 is fixedly provided with a mounting box 11, a circular hole is provided on the mounting box 11, sliding holes are provided on both sides of the mounting box 11, and sliding holes are provided in the two sliding holes. A cylinder 15 is movably installed, and a ball nut 16 is fixedly installed at the end where the two cylinders 15 are close to each other, and a short clamp 47 is fixedly installed at the end where the two cylinders 15 are far away from each other, and a reciprocating screw rod 14 is slidably installed between the two ball nuts 16, and a bevel gear 48 meshing with a bevel gear 19 is fixedly installed on the part of the reciprocating screw rod 14 located in the circular hole, and two ball nuts 17 are threadedly installed on the reciprocating screw rod 14, and a movable clamp 12 is fixedly installed on the two ball nuts 17, and a limit block 18 is fixedly installed on both sides of the installation box 11, and the movable clamp 12 slides on the limit block 18.

[0026] There are four patterns on the reciprocating screw rod 14, and there is an equal interval between two adjacent patterns. The patterns on both sides of the reciprocating screw rod 14 are arranged in opposite directions, but the length and spacing of the patterns are the same. Two of the patterns are respectively located at the two ends of the reciprocating screw rod 14, the ball nut 16 is installed on the two middle patterns, and the ball nut 2 17 is respectively installed on the two patterns at the two ends of the reciprocating screw rod 14.

[0027] The two movable clamps 12 are symmetrically arranged in opposite directions with the reciprocating screw rod 14 as the symmetry axis, and the side of the movable clamp 12 close to the corresponding short clamp 47 is arranged in an arc shape, and the movable clamp 12 and the arc on the reciprocating screw rod 14 are on the same arc line, which is the same as the arc on the clamping structure, and is used to clamp the corresponding punch or grinding rod, which can better clamp, and a rubber pad can also be set on the side of the movable clamp 12 close to the corresponding short clamp 47, which can increase the friction between the clamping structure and the clamping structure, and the clamping is more stable.

[0028] The movable clamp 12 is C-shaped, one end of which can slide on the reciprocating screw rod 14, and the other end can cooperate with the short clamp 47 for clamping. Sliding holes 1 are provided on both sides of the installation box 11, and the two movable clamps 12 slide in the corresponding sliding holes 1 respectively, and sliding holes 2 are provided on the movable clamps 12. The length of sliding hole 2 is the same as that of sliding hole 1, which can meet the sliding needs of the movable clamp 12.

[0029] The side of the limit blocks 18 that are away from each other is a rectangular plate with a larger length and width, and the length and width of the rectangular plate are greater than the length and width of the sliding hole 2, which can limit the moving direction of the movable clamp 12 and fix the movable clamp 12 in the moving direction to maintain its stable sliding.

[0030] In the operation and processing part, a square hole is opened at the bottom of the installation box 3, and two support plates 1 are fixedly installed in the installation box 3, and a movable processing structure is installed between the two support plates 1; the movable processing structure includes a mounting seat 1 4, a stabilizing rod 6, a reciprocating screw rod 1 7 and a motor 2 13, and the stabilizing rod 6 and the reciprocating screw rod 1 7 are rotatably installed between the two support plates 1, one end of the reciprocating screw rod 1 7 passes through the rotating support plate 1 and is fixedly installed with the motor 2 13 together with the installation box 3, and a mounting seat 4 is slidably installed on the stabilizing rod 6 and the reciprocating screw rod 1 7, and a connecting seat 41 is fixedly installed below the mounting seat 1 4 through the square hole.

[0031] The mounting seat 4 is composed of a first ball nut and a square block, and the first ball nut is slidably mounted on the reciprocating screw rod 7, the square block is fixedly mounted on the first ball nut, a sliding hole 3 is opened on the square block, the square block slides on the stabilizing rod 6 through the sliding hole 3, and the connecting seat 41 is fixedly mounted under the square block; the stabilizing rod 6 assists the mounting seat 4 to slide, which can maintain the stability of the movement of the mounting seat 4, and the length of the square hole is the same as the length of the reciprocating screw rod 7 to prevent limiting the moving distance of the mounting seat 4.

[0032] A connecting seat 41 is installed on the mobile processing structure, and a locking structure is installed in the connecting seat 41. The locking structure includes a cylinder 37 and a connecting cover 40. A square cavity is opened in the connecting seat 41, and the cylinder 37 is fixedly installed in the square cavity. The connecting cover 40 is fixedly installed at the driving end of the cylinder 37. A mounting groove is opened below the connecting seat 41, and a self-locking component used in conjunction with the connecting cover 40 is installed in the square cavity and the mounting groove, which is used to lock the clamping structure; when the ball nut three 27 and the annular block 39 are located at the uppermost end of the reciprocating screw three 38, the corresponding mobile clamp 12 and the short clamp 47 are respectively located below the punch or grinding rod on the turntable 2 and below the mounting seat 4 at the far left end, so that the punch or grinding rod can be clamped and replaced.

[0033] The self-locking assembly includes a limit rod 42, a spring 2 43, a connecting rod 2 44, an arc plate 45 and a spring 3 46. An annular groove connected to the mounting groove is provided in the connecting seat 41, and a plurality of arc plates 45 are slidably installed in the annular groove. A plurality of vertical grooves connected to the annular groove and the square cavity are provided in the connecting seat 41. A spring 3 46 is fixedly installed on the side away from the plurality of arc plates 45, and the spring 3 46 is located in the annular groove. A connecting rod 2 44 located in the vertical groove is fixedly installed on the end away from the plurality of springs 3 46. A limit rod 42 is fixedly installed on the side close to the upper ends of the plurality of connecting rods 2 44. A plurality of annular plates are fixedly installed in the square cavity. Each limit rod 42 is slidably installed on the corresponding annular plate. A spring 2 43 is fixedly installed between the annular plate and the limit rod 42. A mounting hole is provided on each limit rod 42, and a block is slidably installed in each mounting hole.

[0034] The side wall width of the connecting cover 40 is greater than or equal to the diameter of the card block, and the card block can be pressed. The card block is set as a ring and a cylinder. The ring is fixedly sleeved in the middle position of the cylinder, and the shape of the mounting hole is the same as that of the card block. The length of the mounting hole that adapts to the position of the groove of the ring is greater than the width of the ring, so that the card block can move up and down in the mounting hole; movable holes are opened on the annular plates, and the limit rods 42 slide in the corresponding movable holes. The curvatures of multiple arc plates 45 are located on the same circle, and the diameter of the annular groove is greater than the diameter between the multiple arc plates 45. The width of the vertical groove is greater than the width of the connecting rod 2 44, so that the connecting rod 2 44 can rotate in the vertical groove.

[0035] Reference Figure 1-Figure 10, the installation and replacement part, the locking structure is also engaged with a clamping structure, the clamping structure includes a ball rod 22, a clamping column 23, a mounting cover 24, a buckle 25, a mounting seat 26, a self-clamping punch 35, a groove, a first spring and a push block, the connecting seat 41 is engaged with the ball rod 22, the ball rod 22 is fixedly mounted with a mounting cover 24, the mounting cover 24 is provided with a plurality of grooves, the plurality of grooves are fixedly mounted with a first spring, the plurality of first springs are fixedly mounted with a clamping column 23, and the lower end portion of the clamping column 23 is located in the groove; The upper end of the ball rod 22 is a spherical setting, and the lower part is a long rod. The spherical ball is fixedly installed on the long rod, and the diameter of the spherical ball is larger than the end face diameter of the long rod; when the spring two 43 and the spring three 46 are in an uncompressed state, there is a certain gap between the multiple arc plates 45, and the gap formed in the middle of the close ends of the multiple limit rods 42 is smaller than the diameter of the long rod; when the ball rod 22 reaches the middle of the multiple limit rods 42, the spherical ball first squeezes the limit rods 42 outwards. At this time, the mounting holes on the limit rods 42 are all located on the outside of the multiple clamping columns 23. At this time, the spring two 43 is in a stretched state, and the spring three 46 drives the multiple arc plates 45 to approach each other until there is no spacing between the arc plates 45. At this time, the spring three 46 is in a compressed state.

[0036] Then the long rod reaches the middle of the plurality of limit rods 42, at which time the limit rods 42 move towards each other, at which time the clamping column 23 is engaged in the corresponding mounting hole, squeezing the clamping block upward, at which time the height of the clamping block is greater than the diameter of the moving hole, thereby fixing the position of the limit rod 42; the bottom of the connecting cover 40 is hollow, so that the ball on the ball rod 22 can be located therein when the engagement is completed, and at the same time, the clamping block can be located therein and abut against the inner wall of the connecting cover 40, thereby ensuring the stability of the self-clamping punch 35 during processing.

[0037] The punch or grinding rod can only be engaged and removed when the mounting seat 4 and the connecting seat 41 are located at one end close to the mounting box 11, and when one of the movable clamps 12 and the short clamp 47 is located below the punch or grinding rod on the turntable 2, the punch or grinding rod below the mounting seat 4 is located between the other movable clamp 12 and the short clamp 47, so that the removal and installation of the punch or grinding rod can be completed at the same time.

[0038] Two buckles 25 are slidably installed on the mounting cover 24, and the two buckles 25 are slidably installed between each other, and the two ends of the buckles 25 are respectively provided with a trapezoidal groove and a trapezoidal block, and the parts where the two buckles 25 are close to each other are respectively a trapezoidal groove and a trapezoidal block, and the corresponding trapezoidal block slides in the corresponding trapezoidal groove, which can make the two buckles 25 stretch outward, and with the cooperation of the trapezoidal groove and the trapezoidal block, they will not fall off.

[0039] A mounting seat 26 is slidably installed below the two buckles 25. A pushing block located between the two semi-cylinders is fixedly installed in the middle part of the ball rod 22, and the mounting seat 26 is fixedly installed below the pushing block. A self-clamping punch 35 is slidably installed below the mounting seat 26. The self-clamping punch 35 is a prior art. For details, reference may be made to the combined self-clamping and key-clamping drill chuck disclosed in patent number CN201010294041.8. The self-clamping punch 35 can be replaced and used, and the lower end of the ball rod 22 passes through the mounting seat 26 and extends to the bottom of the mounting seat 26, and the self-clamping punch 35 is engaged with the lower end of the ball rod 22.

[0040] An elastic component used in conjunction with the arc plate 45 is installed between the mounting cover 24 and the two buckles 25, and the elastic component includes a connecting rod 29, a fixing plate 30, a spring 31, a limiting plate 32 and a semi-cylinder. Multiple connecting rods 29 are fixedly installed in the two buckles 25, and two limiting plates 32 are fixedly installed in the mounting cover 24. A fixing plate 30 is fixedly installed below the two limiting plates 32, and multiple connecting rods 29 are slidably installed on the corresponding fixing plates 30. A semi-cylinder is fixedly installed at one end of the corresponding multiple connecting rods 29 away from the buckle 25, and multiple springs 31 are fixedly installed between the corresponding fixing plates 30 and the semi-cylinder, and the connecting rod 29 is located in the middle of the corresponding spring 31.

[0041] In the initial state, there is a certain interval between the two buckling rings 25. When the two buckling rings 25 squeeze the multiple arc plates 45 upward, the buckling rings 25 will squeeze inward, and drive the semi-cylinders to move towards each other through multiple connecting rods 29. The multiple springs 31 will be in a stretched state and can cooperate with the multiple arc plates 45 to clamp the clamping structure; the self-clamping punch 35 is provided with an L-shaped ring groove, and the lower end of the mounting seat 26 is provided with an L-shaped ring block used in conjunction with the L-shaped ring groove, which can be rotated on the self-clamping punch 35 without falling off.

[0042] It is further explained that the above-mentioned fixed connection should be understood in a broad sense unless otherwise clearly specified and limited. For example, it can be welding, gluing, or one-piece molding, etc., which are conventional means well known to those skilled in the art.

[0043] A method for using a punching tool for processing hardware accessories, using the punching tool for processing hardware accessories as described above, further comprising the following steps: S1: Initial state: ball nut three 27 and annular block 39 are located at the lower end of reciprocating screw three 38, there is a certain interval between the two buckles 25, spring one 31 is in an uncompressed state, spring two 43 and spring three 46 are in an uncompressed state, and there is a certain gap between the multiple arc plates 45; S2: clamping the punch or grinding rod; controlling the motor 18 to start, the motor 18 starts to drive the turntable 2 to rotate, the turntable 2 rotates to rotate the required punch or grinding rod to the bottom, at this time, the motor 3 21 is controlled, the driving end of the motor 3 21 rotates to drive the rotating rod 20 to rotate, the rotating rod 20 rotates to drive the bevel gear 19, the fan gear 33 and the gear 2 50 to rotate at the same time, the gear 2 50 rotates to drive the installation cylinder 49 to rotate, the installation cylinder 49 rotates to drive the installation box 11 to rotate, the fan gear 33 rotates to drive the gear 1 36 to rotate, the gear 1 36 rotates to drive the reciprocating screw rod 3 38 to rotate, the reciprocating screw rod 3 38 rotates to drive the annular block 39 to move upward through the ball nut 3 27, the annular block 39 moves upward through the long plate 34 to drive the connecting ring 28 to move upward; The connecting ring 28 moves upward and drives the installation box 11 to move upward through the installation cylinder 49. At the same time, the bevel gear 19 drives the bevel gear 2 48 to rotate. The rotation of the bevel gear 2 48 drives the reciprocating screw rod 2 14 to rotate. The rotation of the reciprocating screw rod 2 14 drives the two cylinders 15 and the short clip 47 to move away from each other through the two ball nuts 16. When the reciprocating screw rod 2 14 rotates, the two moving clips 12 are driven to move toward each other through the two ball nuts 2 17. The distance between the corresponding moving clip 12 and the short clip 47 is shortened. At this time, one of the moving clips 12 and the short clip 47 on the installation box 11 rotates to the bottom of the required punch or grinding rod, and cooperates with the installation box 11 to move upward to clamp the punch or grinding rod and remove it. S3: Install the punch or the grinding rod; at this time, the clamped punch or the grinding rod reaches the bottom of the connecting seat 41, and the ball on the ball rod 22 reaches the end where the multiple limit rods 42 are close to each other, squeezing the multiple limit rods 42 to move away from each other, and the multiple springs 2 43 are in a stretched state. At this time, the mounting holes on the multiple limit rods 42 are all located on the outside of the clamping column 23, and the spring 3 46 drives the multiple arc plates 45 to approach each other until there is no spacing between the arc plates 45, and the spring 3 46 is in a compressed state; Then the rod body of the ball rod 22 reaches the gap formed by one end of the plurality of limit rods 42, the spring 2 43 returns to the uncompressed state, the limit rods 42 move in the direction of approaching each other, at this time the mounting hole is engaged with the corresponding clamping column 23, the ball on the ball rod 22 is located below the connecting cover 40 (above the plurality of limit rods 42), the clamping column 23 moves upward to squeeze the clamping block, at this time the upper ends of the clamping blocks are all located in the connecting cover 40, the plurality of arc plates 45 squeeze the two buckle rings 25, the buckle rings 25 will squeeze inward, and the semi-cylinders will be driven to move in the direction of approaching each other through the plurality of connecting rods 1 29, the plurality of springs 1 31 will be in a stretched state, and can cooperate with the plurality of arc plates 45 to clamp the clamping structure; S4: Assemble and process the hardware accessories; turn on the motor 2 13, the driving end of the motor 2 13 rotates to drive the reciprocating screw 1 7 to rotate, the reciprocating screw 1 7 rotates to drive the mounting seat 1 4 to move, and the mounting seat 1 4 moves to drive the clamping structure installed thereon to process the hardware accessories; S5: Replace the punch or the grinding rod; start the cylinder 37 to shorten its driving end, and use the movement of the motor 2 13 to stop the mounting seat 1 4 and the connecting seat 41 at one end close to the mounting box 11. At this time, turn off the motor 2 13, and repeat the steps of clamping the punch or the grinding rod again, and remove the punch or the grinding rod under the connecting seat 41. When removing the punch or the grinding rod downward, the ball reaches the end close to the multiple limit rods 42 again, so that the mounting hole on the limit rod 42 is separated from the clamping column 23. At this time, the spring 2 43 is in an uncompressed state, and the spring 3 46 is also in an uncompressed state again. The punch or the grinding rod is removed and replaced, and the hardware accessories are processed again.

[0044] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A punching tool for hardware accessories processing, characterized in that: comprising a processing box (1); A driving clamping portion, wherein a short rod (9) is rotatably mounted in the processing box (1), a mounting box (3) is fixedly mounted in the processing box (1), a switching structure is cooperatively mounted between the short rod (9) and the mounting box (3), a motor three (21) is fixedly mounted in the mounting box (3), and a rotation exchange structure is cooperatively mounted between the driving end of the motor three (21) and the mounting box (3); An operating processing section, wherein a square hole is provided at the bottom of the installation box (3), two support plates (1) are fixedly installed in the installation box (3), a movable processing structure is installed between the two support plates (1), a connecting seat (41) is installed on the movable processing structure, and a locking structure is installed in the connecting seat (41); The replacement part is installed, and a clamping structure is mounted on the locking structure.

2. A punching tool for hardware accessories processing according to claim 1, characterized in that: The switching structure comprises a turntable (2), a motor 1 (8), and a motor cover (10); the motor cover (10) and the motor 1 (8) are fixedly mounted on one side of the mounting box (3), and the motor 1 (8) is located inside the motor cover (10); the turntable (2) is fixedly mounted on the driving end of the motor 1 (8), and one side of the turntable (2) is fixedly connected to one end of a short rod (9); a plurality of circular grooves are formed around the turntable (2), and locking structures are also mounted in the plurality of circular grooves, and a clamping structure is also mounted on each of the locking structures.

3. A punching tool for hardware accessories processing according to claim 2, characterized in that: The rotation exchange structure comprises a bevel gear 1 (19), a rotating rod (20), a sector gear (33), a thin rod, a tooth groove, a mounting cylinder (49), a gear 2 (50) and a connecting ring (28); the driving end of the motor 3 (21) is fixedly mounted with the rotating rod (20); the mounting cylinder (49) is rotatably mounted on the rotating rod (20); the lower end of the mounting cylinder (49) passes through the mounting box (3) and extends to the bottom of the mounting box (3); the lower end of the rotating rod (20) is fixedly mounted with the bevel gear One (19), the installation tube (49) is provided with a tooth groove, the rotating rod (20) is also provided with a tooth groove, a thin rod is fixedly installed on the installation tube (49), and a gear two (50) meshing with the two tooth grooves is rotatably installed on the thin rod, a sector gear (33) is fixedly installed on the rotating rod (20), a connecting ring (28) is fixedly sleeved on the installation tube (49), a linkage assembly is installed in the installation box (3), and a clamping assembly is installed at the lower end of the installation tube (49).

4. A punching tool for hardware accessories processing according to claim 3, characterized in that: The linkage assembly comprises a gear one (36), a reciprocating screw rod three (38), a long plate (34), a ball nut three (27) and an annular block (39); a long plate (34) is fixedly mounted on one side of the connecting ring (28); a reciprocating screw rod three (38) is rotatably mounted in the mounting box (3); a gear one (36) meshing with a fan-shaped gear (33) is fixedly mounted on the reciprocating screw rod three (38); a ball nut three (27) is threadedly mounted on the reciprocating screw rod three (38); and an annular block (39) is fixedly mounted outside the ball nut three (27).

5. A punching tool for hardware accessories processing according to claim 4, characterized in that: The clamping assembly comprises a mounting box (11), a movable clamp (12), a reciprocating screw rod (14), a cylinder (15), a ball nut (16), a ball nut (17), a stop block (18), a short clamp (47) and a bevel gear (48). The mounting box (11) is fixedly mounted on the lower end of the mounting cylinder (49). A circular hole is formed on the mounting box (11). Cylinders (15) are slidably mounted on both sides of the mounting box (11). The ends of the two cylinders (15) that are close to each other are fixedly mounted with a ball nut (16). The ends of the two cylinders (15) that are far away from each other are fixedly mounted with a ball nut (16). A short clamp (47) is fixedly mounted on one end of each of the two ball nuts (16); a reciprocating screw rod (14) is slidably mounted between the two ball nuts (16); a bevel gear (48) meshing with a bevel gear (19) is fixedly mounted on the portion of the reciprocating screw rod (14) located in the circular hole; two ball nuts (17) are threadedly mounted on the reciprocating screw rod (14); a movable clamp (12) is fixedly mounted on the two ball nuts (17); and limit blocks (18) are fixedly mounted on both sides of the mounting box (11), and the movable clamp (12) slides on the limit blocks (18).

6. A punching tool for hardware accessories processing according to claim 5, characterized in that: The mobile processing structure comprises a mounting seat (4), a stabilizing rod (6), a reciprocating screw rod (7) and a second motor (13); the stabilizing rod (6) and the reciprocating screw rod (7) are rotatably mounted between the two support plates (1); one end of the reciprocating screw rod (7) passes through the rotating support plate (1) and is fixedly mounted on the mounting box (3) with the second motor (13); the mounting seat (4) is slidably mounted on the stabilizing rod (6) and the reciprocating screw rod (7); and the connecting seat (41) is fixedly mounted below the mounting seat (4) through a square hole.

7. A punching tool for hardware accessories processing according to claim 6, characterized in that: The locking structure comprises a cylinder (37) and a connecting cover (40); a square cavity is provided in the connecting seat (41); the cylinder (37) is fixedly mounted in the square cavity; the connecting cover (40) is fixedly mounted on the driving end of the cylinder (37); a mounting groove is provided below the connecting seat (41); a self-locking component used in conjunction with the connecting cover (40) is installed in the square cavity and the mounting groove.

8. A punching tool for hardware accessories processing according to claim 7, characterized in that: The self-locking assembly comprises a limit rod (42), a second spring (43), a second connecting rod (44), an arc plate (45) and a third spring (46); an annular groove communicating with the mounting groove is formed in the connecting seat (41); a plurality of arc plates (45) are slidably mounted in the annular groove; a plurality of vertical grooves communicating with the annular groove and the square cavity are formed in the connecting seat (41); a third spring (46) is fixedly mounted on one side away from the plurality of arc plates (45); and the third spring (46) is located in the annular groove; and the plurality of arc plates (45) are A connecting rod 2 (44) located in the vertical groove is fixedly installed at one end away from the spring 3 (46), and a limiting rod (42) is fixedly installed on the side where the upper ends of the plurality of connecting rods 2 (44) are close to each other. A plurality of annular plates are fixedly installed in the square cavity, and each of the limiting rods (42) is slidably installed on a corresponding annular plate. A spring 2 (43) is fixedly installed between the annular plate and the limiting rod (42), and each of the limiting rods (42) is provided with an installation hole, and a clamping block is slidably installed in each of the installation holes.

9. A punching tool for hardware accessories processing according to claim 8, characterized in that: The clamping structure comprises a ball rod (22), a clamping column (23), a mounting cover (24), a buckle (25), a second mounting seat (26), a self-clamping punch (35), a groove, a first spring and a push block. The ball rod (22) is clamped and mounted on the connecting seat (41). The mounting cover (24) is fixedly mounted on the ball rod (22). The mounting cover (24) is provided with a plurality of grooves. The first springs are fixedly mounted in the plurality of grooves. The clamping column (23) is fixedly mounted on the plurality of first springs. The lower end portion of the clamping column (23) is located in the groove. Two buckle rings (25) are slidably mounted on the mounting cover (24). The two buckle rings (25) are fixedly mounted on the mounting cover (24). 5), a mounting seat 2 (26) is slidably mounted below the two buckles (25), a pushing block located between the two semi-cylinders is fixedly mounted on the middle part of the ball rod (22), and the mounting seat 2 (26) is fixedly mounted below the pushing block, a self-clamping punch (35) is slidably mounted below the mounting seat 2 (26), and the lower end of the ball rod (22) passes through the mounting seat 2 (26) and extends to the bottom of the mounting seat 2 (26), and the self-clamping punch (35) is clamped on the lower end of the ball rod (22), and an elastic component used in conjunction with the arc plate (45) is installed between the mounting cover (24) and the two buckles (25); The elastic component comprises a connecting rod (29), a fixing plate (30), a spring (31), a limiting plate (32) and a semi-cylinder. A plurality of connecting rods (29) are fixedly installed in the two buckles (25). Two limiting plates (32) are fixedly installed in the mounting cover (24). A fixing plate (30) is fixedly installed below the two limiting plates (32). The plurality of connecting rods (29) are slidably installed on the corresponding fixing plates (30). The ends of the corresponding plurality of connecting rods (29) away from the buckles (25) are fixedly installed with a semi-cylinder. A plurality of springs (31) are fixedly installed between the corresponding fixing plates (30) and the semi-cylinder. The connecting rods (29) are located in the middle of the corresponding springs (31).

10. A method for using a punching tool for processing hardware accessories, using the punching tool for processing hardware accessories as claimed in claim 9, characterized in that: The following steps are involved: S1: The initial state is; The ball nut three (27) and the annular block (39) are located at the lower end of the reciprocating screw rod three (38), a certain interval is provided between the two buckling rings (25), the spring one (31) is in an uncompressed state, the spring two (43) and the spring three (46) are in an uncompressed state, and a certain gap is provided between the plurality of arc plates (45); S2: clamping the punch or grinding rod; controlling the motor 1 (8) to start, the motor 1 (8) starts to drive the turntable (2) to rotate, the turntable (2) rotates to rotate the required punch or grinding rod to the bottom, at this time controlling the motor 3 (21), the driving end of the motor 3 (21) rotates to drive the rotating rod (20) to rotate, the rotating rod (20) rotates to drive the bevel gear 1 (19), the fan gear (33) and the gear 2 (50) to rotate at the same time, the gear 2 (50) rotates to drive the installation cylinder (49) to rotate, the installation cylinder (49) rotates to drive the installation box (11) to rotate, the fan gear (33) rotates to drive the gear 1 (36) to rotate, the gear 1 (36) rotates to drive the reciprocating screw rod 3 (38) to rotate, the reciprocating screw rod 3 (38) rotates through the ball nut 3 (27) to drive the annular block (39) to move upward, the annular block (39) moves upward through the long plate (34) to drive the connecting ring (28) to move upward; The connecting ring (28) moves upward through the installation tube (49) to drive the installation box (11) to move upward. At the same time, the bevel gear 1 (19) drives the bevel gear 2 (48) to rotate. The rotation of the bevel gear 2 (48) drives the reciprocating screw rod 2 (14) to rotate. The reciprocating screw rod 2 (14) rotates through the two ball nuts 1 (16) to drive the two cylinders (15) and the short clip (47) to move in a direction away from each other. When the reciprocating screw rod 2 (14) rotates, the two moving clips (12) are driven to move in a direction close to each other through the two ball nuts 2 (17). The distance between the corresponding moving clip (12) and the short clip (47) is shortened. At this time, one of the moving clips (12) and the short clip (47) on the installation box (11) rotates to the position directly below the required punch or grinding rod, and cooperates with the installation box (11) to move upward to clamp the punch or grinding rod and remove it. S3: installing the punch or grinding rod; at this time, the clamped punch or grinding rod reaches the bottom of the connecting seat (41), the ball on the ball rod (22) reaches the end where the plurality of limit rods (42) are close to each other, squeezing the plurality of limit rods (42) to move in a direction away from each other, the plurality of springs 2 (43) are in a stretched state, at this time, the mounting holes on the plurality of limit rods (42) are all located outside the clamping column (23), the spring 3 (46) drives the plurality of arc plates (45) to approach each other until there is no spacing between the arc plates (45), at this time the spring 3 (46) is in a compressed state; Then, the rod body of the ball rod (22) reaches the gap formed by the ends of the plurality of limit rods (42) approaching each other, the spring 2 (43) returns to the uncompressed state, the limit rods (42) move in the direction of approaching each other, at this time, the mounting hole is engaged with the corresponding clamping column (23), the ball on the ball rod (22) is located below the connecting cover (40), the clamping column (23) moves upward to squeeze the clamping block, at this time, the upper ends of the clamping blocks are all located in the connecting cover (40), the plurality of arc plates (45) squeeze the two buckle rings (25), the buckle rings (25) will be squeezed inward, and the semi-cylinders are driven to move in the direction of approaching each other through the plurality of connecting rods 1 (29), the plurality of springs 1 (31) will be in a stretched state, and can cooperate with the plurality of arc plates (45) to clamp the clamping structure; S4: assembling and processing the hardware accessories; turning on the second motor (13), the driving end of the second motor (13) rotates to drive the reciprocating screw rod (7) to rotate, the reciprocating screw rod (7) rotates to drive the mounting seat (4) to move, the mounting seat (4) moves to drive the clamping structure installed thereon to process the hardware accessories; S5: Replace the punch or the grinding rod; start the cylinder (37) to shorten its driving end, and use the movement of the second motor (13) to stop the mounting seat (4) and the connecting seat (41) at the end close to the mounting box (11). At this time, turn off the second motor (13), repeat the step of clamping the punch or the grinding rod again, remove the punch or the grinding rod under the connecting seat (41), and when removing the punch or the grinding rod downward, the ball reaches the end close to the plurality of limit rods (42) again, so that the mounting hole on the limit rod (42) is separated from the clamping column (23). At this time, the second spring (43) is in an uncompressed state, and the third spring (46) is also in an uncompressed state again. The punch or the grinding rod is removed and replaced, and the hardware accessories are processed again.

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