A thread automatic thread cleaning device

Abstract

The invention discloses an automatic thread straightening cleaning device, comprising a workbench, a brush cylinder, a moving platform, a bracket, a rotating shaft, a conveying bin and a telescopic rod, wherein the bracket is rotatably connected to the moving platform via a first rotating shaft, and the brush cylinder is connected to the bracket via the rotating shaft; the conveying bin is rotatably connected to the workbench via a second rotating shaft, one side of the conveying bin is connected to a clamping assembly, and the other side is connected to a positioning seat, and the clamping assembly is used to clamp the head of the bolt on the positioning seat; the two ends of the telescopic rod are respectively connected to the top of the first rotating shaft and the top of the second rotating shaft; a driving mechanism is arranged on the moving platform and connected to the workbench, and the driving mechanism drives the brush cylinder to rotate via the rotating shaft, and drives the moving platform to move in a circular motion on a horizontal plane, so as to drive the brush cylinder and the positioning seat to swing synchronously close to or away from each other, and a recycling box is arranged under the workbench; the thread straightening process of the invention does not require manual operation, saves time and effort, and has high efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of thread processing, and in particular to an automatic thread straightening and cleaning device. Background Art

[0002] The bolt consists of a head and a screw, and the bolt and the nut form a detachable fastener. After the thread processing of the hexagonal bolt is completed, the screw thread needs to be burr-free first to prevent the burr from damaging the thread so that the nut can be reliably installed. The traditional deburring method requires manual hand-held chamfering tools to remove burrs from the bolts one by one, which is inefficient, has high labor costs, and cannot ensure uniform burr removal. The existing thread straightening machine needs to clamp the positioning bolts one by one, which greatly reduces work efficiency and cannot perform batch deburring. Summary of the invention

[0003] The present invention aims to overcome the shortcomings of the prior art and provide an automatic thread straightening and cleaning device to solve the problem that the existing thread straightening equipment needs manual control and has low efficiency.

[0004] The technical solution adopted by the present invention to solve the technical problem is:

[0005] The invention relates to an automatic thread cleaning device, comprising a workbench, a brush cylinder with an opening at one end, a moving platform, a bracket, a rotating shaft, a conveying bin with bolts arranged vertically, and a telescopic rod. The bottom of the bracket is connected to the moving platform in a horizontal plane rotation through a first rotating shaft, the outer end of the rotating shaft is connected to the bottom end of the brush cylinder, and the inner end passes through and transfers the bracket; a driving mechanism is arranged on the moving platform and connected to the workbench, and the driving mechanism is connected to the inner end of the rotating shaft through a belt drive to drive the brush cylinder to rotate around the rotating shaft; the bottom of the conveying bin is connected to the workbench in a horizontal plane rotation through a second rotating shaft, one side of the conveying bin is connected to a clamping assembly, and the other side is connected to a positioning seat; the clamping assembly is used to clamp the heads of the bolts at the bottom of the conveying bin on the positioning seat; the open end of the brush cylinder faces the positioning seat, and the two ends of the telescopic rod are respectively connected to the top of the first rotating shaft and the top of the second rotating shaft; the driving mechanism is used to drive the moving platform to move in a circular motion in a horizontal plane, so as to drive the brush cylinder and the positioning seat to swing synchronously close to or away from each other; a recycling box is arranged below the workbench, and a through hole for the bolts to pass through is opened below the positioning seat, and the through hole is communicated with the recycling box.

[0006] Furthermore, the driving mechanism includes a motor, a main shaft, a slider, a circular guide rail and a gear ring, and a transmission rod; the guide rail and the gear ring are concentrically connected on the workbench, a gear is arranged at the end of the main shaft, the gear is meshed with the gear ring, the slider is rotationally connected to the lower side of the moving platform through a rotating shaft, the slider and the guide rail cooperate to slide, the transmission rod is axially supported on the moving platform by a bearing, the inner end of the transmission rod is transmitted to the main shaft through a bevel gear, and the outer end of the transmission rod is connected to the rotating shaft through the belt drive; the output shaft of the motor is drive-connected to the main shaft.

[0007] Furthermore, the brush cylinders are evenly distributed around the main axis, the conveying bins are evenly distributed around the guide rail corresponding to the positions of the brush cylinders, and the number of the brush cylinders corresponds to the number of the conveying bins.

[0008] Furthermore, a channel for the bolts to pass through is opened at the bottom of the conveying bin, and the clamping assembly includes a clamping cylinder and a chuck, and the chuck is connected to the output end of the clamping cylinder; the clamping cylinder drives the chuck to pass through the channel to approach or move away from the positioning seat.

[0009] Furthermore, the clamping assembly also includes a swing plate and a support rod; the swing plate and the chuck are respectively located at the middle and end of the channel, the swing plate is hinged to the upper edge of the channel, the support rod is in contact with the outer side surface of the swing plate, and the support rod is connected to one side of the chuck, and the chuck drives the support rod to move to drive the swing plate to swing into the conveying bin.

[0010] Furthermore, a slideway suitable for the screw diameter of the bolt is arranged in the conveying bin, and parallel support shafts are symmetrically arranged on both sides of the slideway. Cross dividing plates are coaxially connected to the support shafts, and the cross dividing plates on both sides rotate in opposite directions to space the bolts in the conveying slideway.

[0011] Furthermore, an alignment component for adjusting the direction of the movable platform is provided on the workbench, the alignment component is located between the second rotating shaft and the guide rail, the alignment component includes a baffle and a fixed plate, the fixed plate is connected to the workbench, a baffle is provided on the side of the fixed plate away from the second rotating shaft, the fixed plate and the baffle are connected by a spring; the top surface of the baffle is higher than the bottom surface of the movable platform.

[0012] The present invention has the following beneficial effects:

[0013] 1. The present invention provides an automatic thread straightening cleaning device, which connects a moving platform with a workbench through a driving mechanism, a brush cylinder is arranged on the moving platform for horizontal rotation, a bolt conveying bin is arranged on the workbench for horizontal rotation, a clamping assembly and a positioning seat for clamping bolts are arranged on both sides of the conveying bin, the brush cylinder and the positioning seat are connected through a telescopic rod and kept aligned, when the driving mechanism drives the moving platform to move in a circular motion in the horizontal plane, the brush cylinder and the bolt to be straightened on the positioning seat swing synchronously, the brush cylinder cyclically approaches and moves away from the bolt, the screw part of the bolt first enters and then leaves the brush cylinder, and the burrs of the threaded part are quickly and automatically removed, and the process does not require manual operation and has high efficiency.

[0014] 2. The conveying bins and brush cylinders are evenly distributed on the workbench and the mobile table, so that the brush cylinders correspond to the conveying bins one by one. Under the action of the driving mechanism, the mobile table makes the four brush cylinders rotate and circulate close to the corresponding bolts; through a set of driving mechanisms, the bolts in multiple conveying bins can be threaded, and the device has a compact structure, small footprint and low cost.

[0015] 3. Cross dividing plates are set on both sides of the conveying slideway of the conveying bin. After the bolts at the bottom of the conveying bin are threaded, the cross dividing plates automatically separate the conveying bolts. It is only necessary to place multiple bolts to be threaded in the conveying bin, which saves time and effort and is highly efficient.

[0016] 4. A recycling box is set under the workbench, and a through hole for the bolts to pass through is opened under the positioning seat; the through hole is connected to the recycling box, so that the bolts that have completed threading can enter the recycling box from the through hole by gravity, and the bolts that have been threaded can be automatically collected.

[0017] 5. A baffle and a fixed plate are arranged on the workbench. When the movable platform approaches the conveying bin along the circular guide rail, the baffle is attached to the side of the movable platform to adjust the direction of the movable platform, which is conducive to the movable platform approaching or moving away from the bolt according to a predetermined posture, thereby ensuring the smooth operation of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below in conjunction with the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0020] Figure 2 for Figure 1 A partial enlarged view of the middle part;

[0021] Figure 3 A top view of the present invention;

[0022] Figure 4 It is a left side view of the present invention;

[0023] Figure 5 It is a structural schematic diagram of the present invention;

[0024] Figure 6 It is a structural schematic diagram of the present invention;

[0025] Figure 7 It is a structural schematic diagram of the present invention;

[0026] Figure 8 It is a structural schematic diagram of the present invention;

[0027] In the figure, 1. workbench; 2. brush cylinder; 3. moving table; 31. bracket; 32. rotating shaft; 4. conveying bin; 41. slideway; 42. cross material dividing plate; 5. telescopic rod; 6. driving mechanism; 61. motor; 62. main shaft; 63. slider; 64. guide rail; 65. transmission rod; 71. clamping assembly; 711. clamping cylinder; 712. chuck; 713. swing plate; 714. support rod; 72. positioning seat; 8. recycling box; 91. baffle; 92. fixed plate. DETAILED DESCRIPTION

[0028] In order to enable persons skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention.

[0029] like Figure 1-8 As shown, the present invention provides an automatic thread cleaning device, comprising a workbench 1, a brush cylinder 2 with an opening at one end, a moving platform 3, a bracket 31, a rotating shaft 32, a conveying bin 4 with vertically arranged bolts, and a telescopic rod 5. The bottom of the bracket 31 is connected to the moving platform 3 by a first rotating shaft in a horizontal plane, the outer end of the rotating shaft 32 is connected to the bottom end of the brush cylinder 2, and the inner end passes through and transfers the bracket 31; a driving mechanism 6 is arranged on the moving platform 3 and is movably connected to the workbench, and the driving mechanism 6 is connected to the inner end of the rotating shaft 32 through a belt drive to drive the brush cylinder 2 to rotate around the rotating shaft 32. movement; the bottom of the conveying bin 4 is rotatably connected to the workbench 1 via the second rotating shaft horizontal plane; specifically, the bottom of the conveying bin 4 is connected to the base plate, and the lower side of the base plate is rotatably connected to the workbench 1 via the second rotating shaft horizontal plane; one side of the conveying bin 4 is connected to the clamping assembly 71, and the other side is connected to the positioning seat 72; the clamping assembly 71 is used to clamp the head of the bolt at the bottom of the conveying bin 4 on the positioning seat 72; it can be understood that the clamping assembly 71 not only horizontally moves the bolt at the bottom of the conveying bin 4, but also clamps the bolt with the positioning seat 72, constraining the bolt to be in the position to be wired.

[0030] The open end of the brush barrel 2 faces the positioning seat 72, and the two ends of the telescopic rod 5 are respectively connected to the top of the first rotating shaft and the top of the second rotating shaft; in this embodiment, one end of the telescopic rod 5 is connected to the top of the positioning seat 72 corresponding to the first rotating shaft, and the other end of the telescopic rod 5 is connected to the top of the bracket 31 corresponding to the second rotating shaft; the driving mechanism 6 is used to drive the moving platform 3 to move in a horizontal circular motion, so as to drive the brush barrel 2 and the positioning seat 72 to swing synchronously closer or farther.

[0031] like Figure 4 , 5 As shown, the driving mechanism 6 includes a motor 61, a main shaft 62, a slider 63, a circular guide rail 64 and a gear ring, and a transmission rod 65; the guide rail 64 and the gear ring are concentrically connected to the workbench 1, a gear is set at the end of the main shaft 62, the gear is meshed with the gear ring, the slider 63 is rotatably connected to the lower side of the moving platform 3 through the rotating shaft, the slider 63 and the guide rail 64 slide in cooperation, the transmission rod 65 is axially rotatably supported on the moving platform 3 through a bearing, the inner end of the transmission rod 65 is connected to the main shaft 62 through a bevel gear transmission, and the outer end of the transmission rod 65 is connected to the rotating shaft 32 through a belt drive; the motor 61 is installed on the upper side of the moving platform 3 and is electrically connected to the controller, and the output shaft of the motor 61 is drivingly connected to the main shaft 62.

[0032] A wire brush is arranged on the inner wall of the brush cylinder 2. The thread-winding process of the brush cylinder 2 is as follows: the brush cylinder 2 is driven to rotate by the driving mechanism 6, and the brush cylinder 2 moves horizontally with the moving platform 3; therefore, the brush cylinder 2 swings synchronously with the positioning seat 72, and moves close to the positioning seat 72, so that the screw portion of the bolt on the positioning seat 72 enters into the brush cylinder 2, and the wire brush moves and rotates to remove burrs on the threaded portion of the bolt, thereby completing the thread-winding process.

[0033] like Figure 1 As shown, a recovery box 8 is provided under the workbench 1, and a through hole for the bolts to pass through is opened under the positioning seat 72; the through hole is communicated with the recovery box 8; after the bolts on the positioning seat 72 are aligned, the clamping assembly 71 is reset to release the bolts; the through hole is provided so that the bolts that have been aligned can enter the recovery box 8 from the through hole by gravity, and the aligned bolts are automatically collected.

[0034] The process of threading the bolts by using the present invention is as follows: first, the device is installed, the brush barrel 2 is aligned with the positioning seat 72, and the telescopic rod 5 is locked, so that the brush barrel 2 and the positioning seat 72 can swing synchronously to ensure that they are always aligned; then, the screw parts of multiple bolts are placed neatly in the conveying bin 4 in the direction of the brush barrel 2; the bolts at the bottom of the conveying bin 4 are translated out by the clamping assembly 71, and the heads of the bolts are clamped on the positioning seat 72, waiting for threading;

[0035] Then, the control motor 61 drives the moving platform 3 to move in a circle along the guide rail 64, so that the brush cylinder 2 cyclically approaches and moves away from the positioning seat 72, that is, the screw portion of the bolt first enters and then leaves the brush cylinder 2 to remove the burrs on the threaded portion; finally, the head of the bolt is released through the clamping assembly 71, and the bolt enters the recovery box 8; repeat the above process to thread the remaining bolts in the conveying bin 4.

[0036] like Figure 3 As shown, the brush cylinders 2 are evenly distributed around the main shaft 62, and the conveying bins 4 are evenly distributed around the guide rails 64 corresponding to the positions of the brush cylinders 2, and the number of brush cylinders 2 and conveying bins 4 corresponds one to one. In this embodiment, four brush cylinders 2 are evenly distributed on the moving platform 3, and four conveying bins 4 are evenly distributed on the working platform 1. The four brush cylinders 2 correspond to the bolts to be threaded on the four conveying bins 4; under the action of the driving mechanism 6, the moving platform 3 moves cyclically along the circular guide rails 64, so that the four brush cylinders 2 rotate cyclically to approach or move away from the corresponding bolts to complete the threading work; through a motor 61, the bolts of multiple stations can be threaded simultaneously.

[0037] like Figure 2 , 6As shown, a slideway 41 suitable for the screw diameter of the bolt is arranged in the conveying bin 4, and parallel support shafts are symmetrically arranged on both sides of the slideway 41, and cross material dividing plates 42 are coaxially connected to the support shafts. The cross material dividing plates 42 on both sides rotate in opposite directions to convey the bolts in the slideway 41 at intervals. The cross material dividing plates 42 on both sides are driven by synchronous belts respectively. When the bolts move downward by gravity, the cross material dividing plates 42 are pushed to rotate synchronously in the opposite direction; it can be seen from the figure that the bolts at the bottom of the conveying bin 4 play a role in supporting the upper bolts, and the bolts are all stationary at this time; when the bottom bolts are moved out of the conveying bin 4, the upper bolts move downward by gravity and fall to the bottom of the conveying bin 4, and this is repeated to convey the bolts at intervals; therefore, it is only necessary to place multiple bolts to be threaded in the conveying bin 4, which saves time and effort and is highly efficient.

[0038] like Figure 6 , 7 As shown, a channel for the bolt to pass through is provided at the bottom of the conveying bin 4, and the clamping assembly 71 includes a clamping cylinder 711 and a clamp 712, and the clamp 712 is connected to the output end of the clamping cylinder 711; the clamping cylinder 711 is electrically connected to the controller, and the clamp 712 is set to fit the profile of the head of the bolt; the clamping cylinder 711 drives the clamp 712 to pass through the channel to approach or move away from the positioning seat 72. Preferably, a sinking platform suitable for the head of the bolt is provided at the bottom of the conveying bin 4, and the sinking platform corresponds to the head of the bolt in the conveying bin 4 up and down; when the bolt falls to the bottom of the conveying bin 4, the bottom of the conveying bin 4 supports the screw portion of the bolt, and the head of the bolt contacts the sinking platform, which plays a role in unifying the posture of the bolt, so that the clamp 712 can accurately push the limit bolt.

[0039] The clamping assembly 71 further includes a swing plate 713 and a support rod 714; the swing plate 713 and the chuck 712 are respectively located at the middle and end of the channel, the swing plate 713 is hinged to the upper edge of the channel, the support rod 714 contacts the outer side of the swing plate 713, the support rod 714 is connected to one side of the chuck 712, and the chuck 712 drives the support rod 714 to move, so as to drive the swing plate 713 to swing into the conveying bin 4. Preferably, the support rod 714 is arc-shaped, and the support rod 714 smoothly supports the swing plate 713 when moving, so that the swing plate 713 swings smoothly; the swing plate 713 rotates to enter the conveying bin 4, and the swing plate 713 supports the bolts to be threaded in the conveying bin 4, so as to prevent the bolts from affecting the reset action of the chuck 712.

[0040] like Figure 4 , 5As shown, an alignment component for adjusting the direction of the moving platform 3 is provided on the workbench 1, and the alignment component is located between the second rotating shaft and the guide rail 64. The alignment component includes a baffle 91 and a fixed plate 92. The fixed plate 92 is connected to the workbench 1. The baffle 91 is provided on the side of the fixed plate 92 away from the second rotating shaft, and the fixed plate 92 and the baffle 91 are connected by a spring; the top surface of the baffle 91 is higher than the bottom surface of the moving platform 3. Preferably, the outer end surface of the baffle 91 is perpendicular to the line connecting the second rotating shaft and the center of the guide rail 64; a guide column is provided on the baffle 91, and the guide column penetrates and is slidably connected to the fixed plate 92, so that the baffle 91 can be smoothly moved away from or close to the fixed plate 92.

[0041] In this embodiment, four groups of alignment components corresponding to the second rotating shaft are evenly distributed on the workbench 1. Under the action of the driving mechanism 6, when the movable platform 3 approaches the conveying bin 4 along the circular guide rail 64, the side of the movable platform 3 contacts the baffle 91, and the compression spring of the baffle 91 reacts to the movable platform 3 to adjust the direction of the movable platform 3; the four groups of alignment components correspond to the four directions of the movable platform 3 respectively, ensuring the smooth movement of the movable platform 3.

[0042] In the description of the present invention, the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the purpose of describing the present invention rather than requiring the present invention to be constructed or operated in a specific position, and therefore should not be construed as limiting the present invention. The terms "connected" and "connected" in the present invention should be understood in a broad sense, for example, it can be a connection or a detachable connection; it can be a direct connection or an indirect connection through an intermediate component. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0043] The above is a preferred embodiment of the present invention, and the description of the specific embodiment is only used to better understand the concept of the present invention. For those skilled in the art, several improvements or equivalent replacements can be made according to the principles of the present invention, and these improvements or equivalent replacements are also considered to fall within the protection scope of the present invention.

Claims

1. A thread automatic cleaning device, comprising a workbench (1), a brush cylinder (2) with an opening at one end, characterized in that: It also comprises a moving platform (3), a bracket (31), a rotating shaft (32), a conveying bin (4) with vertically arranged bolts, and a telescopic rod (5); the bottom of the bracket (31) is connected to the moving platform (3) in a horizontal rotational plane via a first rotating shaft; the outer end of the rotating shaft (32) is connected to the bottom end of the brush cylinder (2), and the inner end passes through and transfers to the bracket (31); a driving mechanism (6) is arranged on the moving platform (3) and connected to the workbench; the driving mechanism (6) is connected to the inner end of the rotating shaft (32) via a belt drive to drive the brush cylinder (2) to rotate around the rotating shaft (32); The bottom of the conveying bin (4) is rotatably connected to the workbench (1) via a second rotating shaft in a horizontal plane; one side of the conveying bin (4) is connected to a clamping assembly (71) and the other side is connected to a positioning seat (72); the clamping assembly (71) is used to clamp the head of the bolt at the bottom of the conveying bin (4) onto the positioning seat (72); The open end of the brush cylinder (2) faces the positioning seat (72), and the two ends of the telescopic rod (5) are respectively connected to the top of the first rotating shaft and the top of the second rotating shaft; the driving mechanism (6) is used to drive the moving platform (3) to move in a horizontal circular motion, so as to drive the brush cylinder (2) and the positioning seat (72) to swing closer or farther synchronously; a recovery box (8) is arranged below the workbench (1), and a through hole for the bolt to pass through is opened below the positioning seat (72), and the through hole is communicated with the recovery box (8); The driving mechanism (6) comprises a motor (61), a main shaft (62), a slider (63), a circular guide rail (64), a gear ring, and a transmission rod (65); the guide rail (64) and the gear ring are concentrically connected to the workbench (1); a gear is arranged at the end of the main shaft (62), the gear is meshed with the gear ring, the slider (63) is rotationally connected to the lower side of the moving platform (3) through a rotating shaft, the slider (63) and the guide rail (64) slide in cooperation, the transmission rod (65) is axially rotationally supported on the moving platform (3) through a bearing, the inner end of the transmission rod (65) is driven by a bevel gear with the main shaft (62), and the outer end of the transmission rod (65) is connected to the rotating shaft (32) through the belt drive; the output shaft of the motor (61) is drivingly connected to the main shaft (62).

2. The automatic thread cleaning device according to claim 1, characterized in that: The brush cylinders (2) are evenly distributed around the main shaft (62), and the conveying bins (4) are evenly distributed around the guide rail (64) corresponding to the positions of the brush cylinders (2), and the number of the brush cylinders (2) and the conveying bins (4) corresponds one to one.

3. The automatic thread cleaning device according to claim 1, characterized in that: The bottom of the conveying bin (4) is provided with a passage for the bolts to pass through, and the clamping assembly (71) comprises a clamping cylinder (711) and a clamp (712), wherein the clamp (712) is connected to the output end of the clamping cylinder (711); the clamping cylinder (711) drives the clamp (712) to pass through the passage to approach or move away from the positioning seat (72).

4. The automatic thread cleaning device according to claim 3, characterized in that: The clamping assembly (71) also includes a swing plate (713) and a support rod (714); the swing plate (713) and the clamp (712) are respectively located at the middle and end of the channel, the swing plate (713) is hinged to the upper edge of the channel, the support rod (714) is in contact with the outer side surface of the swing plate (713), the support rod (714) is connected to one side of the clamp (712), and the clamp (712) drives the support rod (714) to move, so as to drive the swing plate (713) to swing into the conveying bin (4).

5. The automatic thread cleaning device according to claim 1, characterized in that: A slideway (41) suitable for the screw diameter of the bolt is arranged in the conveying bin (4), and parallel support shafts are symmetrically arranged on both sides of the slideway (41). A cross material dividing plate (42) is coaxially connected to the support shaft. The cross material dividing plates (42) on both sides rotate in opposite directions to space the bolts in the conveying slideway (41).

6. The automatic thread cleaning device according to claim 1, characterized in that: An alignment component for adjusting the direction of the movable platform (3) is arranged on the workbench (1), and the alignment component is located between the second rotating shaft and the guide rail (64). The alignment component comprises a baffle (91) and a fixed plate (92). The fixed plate (92) is connected to the workbench (1), and a baffle (91) is arranged on a side of the fixed plate (92) away from the second rotating shaft. The fixed plate (92) and the baffle (91) are connected via a spring; the top surface of the baffle (91) is higher than the bottom surface of the movable platform (3).

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