Automatic screw machining production equipment and production process

Abstract

The automatic screw machining production equipment comprises a main support, a screw conveyor is arranged on one side of the main support, a bearing seat is fixedly connected to the inner wall of the bottom end of the main support, a supporting rod is rotatably connected to the interior of the bearing seat, and a lead screw is fixedly connected to the supporting rod; the other end of the supporting rod is rotationally connected to the inner wall of one side of the main support, one end of the supporting rod is fixedly connected with a first motor, the periphery of the lead screw is movably meshed with an inner threaded pipe, the outer wall of the inner threaded pipe is movably sleeved with an outer lantern ring, the periphery of the outer lantern ring is fixedly connected with two knife rests, and each knife rest is provided with a blade. A second support is fixedly connected to one end of the inner threaded pipe, a limiting mechanism is arranged on the second support, and a plurality of clamping teeth are arranged on the outer wall of the circumference of the outer lantern ring at equal intervals.

Description

Technical Field

[0001] The present invention relates to the technical field of screw processing, and in particular to automatic screw processing production equipment and a production process. Background Art

[0002] In the process of processing screw parts, the raw materials need to be cut into equal lengths, and then the end of the screw blank needs to be formed, threaded, cooled and cleaned step by step. The thread processing specifically uses a turning tool to act on the screw surface to achieve the shape of the thread.

[0003] Tool jamming is common when thread turning on CNC lathes. Tool jamming occurs when the tool suddenly penetrates into the workpiece during the cutting process, causing tool marks or damage on the workpiece surface, seriously affecting the processing quality. The causes of tool jamming may include tool wear, excessive feed rate, etc. Therefore, how to solve the tool jamming problem to optimize the screw quality is a problem we need to consider. Summary of the invention

[0004] The invention discloses a screw automatic processing production device and a production process, aiming to solve the technical problem of how to solve the knife piercing problem to optimize the screw quality.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A screw automatic processing production equipment, comprising a main support, a screw conveyor is arranged on one side of the main support, and a bearing seat is fixedly connected to the inner wall of the bottom end of the main support, a support rod is rotatably connected in the bearing seat, and a screw rod is fixedly connected to the support rod, the other end of the support rod is rotatably connected to the inner wall of one side of the main support, and one end of the support rod is fixedly connected to a motor, the outer periphery of the screw rod is movably engaged with an internal threaded tube, and the outer wall of the internal threaded tube is movably sleeved with an outer sleeve ring, the outer periphery of the outer sleeve ring is fixedly connected to two tool holders, and a blade is respectively installed on each tool holder; One end of the internal threaded tube is fixedly connected to the second bracket, and a limit mechanism is provided on the second bracket. A plurality of latch teeth are equidistantly provided on the circumferential outer wall of the outer sleeve, and a plurality of latch teeth are movably engaged with a gear, and the gear is movably mounted on the second bracket, and one side of the gear passes through the second bracket and is fixedly connected to the second motor, and automatic detection mechanisms are respectively provided on both sides of the second bracket; The inner wall of the bottom end of the main bracket is fixedly connected with a limiting sliding rod 1, and the limiting sliding rod 1 is movably connected with a sliding block, and the sliding block is fixedly connected to the bottom end of the bracket 2.

[0006] By providing two blades, wherein the two blades are simultaneously fixed to the circumferential outer wall of the outer ring, the intermittent movement of the second motor can be utilized to repeatedly switch the positions of the two blades through the meshing structure of the gears and the latch teeth, so as to realize the switching use of the two blades. Furthermore, after a single blade processes a certain feed amount of screws, it can get a certain rest to avoid damage to the blade due to overwork. Accordingly, the occurrence of the blade piercing phenomenon can be avoided by reducing the probability of blade damage.

[0007] In a preferred solution, the limiting mechanism includes two limiting frames fixedly connected to the outer wall of the outer ring, a limiting block fixedly connected to the outer wall of the bottom end of the internal threaded tube, and a U-shaped limiting frame arranged on the second bracket; The inner wall of the outer ring is provided with a through groove, and two limit frames are respectively fixedly connected to the two ends of the through groove, each of the through grooves is provided with a gap, the limit block passes through the through groove and the gap at the same time, and the width of the limit block is equal to the width of the limit frame; One side of the second bracket is fixedly connected to the second electric telescopic rod, and the U-shaped limit frame is fixedly connected to the output end of the second electric telescopic rod. The same side of the second bracket is also fixedly connected to the second limit sliding rod, and the second limit sliding rod is movably inserted into the U-shaped limit frame, and the inner wall of the U-shaped limit frame is movably fitted to the outer wall of the limit frame and the limit block.

[0008] By setting up a limit mechanism, as the blade position switches, the limit frames at different positions will overlap with the limit blocks below respectively, and then the U-shaped limit frame will be pushed forward by starting the electric telescopic rod 2, thereby playing a correction role to compensate for the instability of gear meshing and further ensure the subsequent automatic detection mechanism's detection results of the blade.

[0009] In a preferred embodiment, the automatic detection mechanism includes a base fixedly connected to the main support, a support plate 2 fixedly connected to the outer wall of the top end of the base, a support plate 1 connected to the support plate 2 by a hinge, a camera installed on the support plate 1, a buzzer installed on the support plate 2, and a pressure sensor arranged on the top end of the base; One side of the support plate 1 is connected to an electric telescopic rod 1 through a hinge 1, and one end of the electric telescopic rod 1 is connected to the top of the base through a hinge 2, and one side of the blade can be attached to the pressure sensor; A production process of automatic screw processing production equipment includes the following specific steps: S1: The screw is conveyed by a screw conveyor, and when it moves to one end of the screw conveyor, the screw is clamped and driven to rotate; S2: The blade moves forward driven by the screw rod and threads the screw surface at the same time; S3: When the processing amount of the screw by a single blade reaches the set feed amount, the second motor is controlled to switch to another blade for use, and the limit mechanism limits the position of the blade; S4: As the replaced blade rotates, its tip just fits against the surface of the corresponding pressure sensor, and the pressure value is monitored to determine whether the blade connection is loose; S5: The electric telescopic rod 1 receives the pressure signal from the pressure sensor, drives the support plate 1 to be horizontal, and monitors the appearance of the blade through the camera to determine whether there is wear; S6: If the blade is in an abnormal state, a buzzer will be used to remind the staff to replace it.

[0010] An automatic detection mechanism is provided in which the pressure of the blade is monitored by a pressure sensor to determine whether the connection between the blade and the blade holder is loose. At the same time, the surface of the blade is photographed by a camera and the image is analyzed to monitor the degree of wear of the blade. If an abnormality is found, a buzzer is used to prompt to facilitate replacement of the blade. In this way, automatic monitoring of the service life of the blade can be achieved to prevent the occurrence of knife piercing.

[0011] As can be seen from the above, a screw automatic processing production equipment includes a main bracket, a screw conveyor is provided on one side of the main bracket, and a bearing seat is fixedly connected to the inner wall of the bottom end of the main bracket, a support rod is rotatably connected in the bearing seat, and a screw rod is fixedly connected to the middle section of the support rod, the other end of the support rod is rotatably connected to the inner wall of one side of the main bracket, and one end of the support rod is fixedly connected to a motor 1, the outer periphery of the screw rod is movably engaged with an internal threaded tube, and the outer wall of the internal threaded tube is movably sleeved with an outer sleeve, the outer periphery of the outer sleeve is fixedly connected to two tool holders, and a blade is installed on each tool holder; one end of the internal threaded tube is fixedly connected to a bracket 2, and a limiting mechanism is provided on the bracket 2, a plurality of latch teeth are equidistantly provided on the circumferential outer wall of the outer sleeve, and a plurality of latch teeth are movably engaged with a gear, the gear is movably installed on the bracket 2, and one side of the gear passes through the bracket 2 and is fixedly connected to the motor 2, and automatic detection mechanisms are respectively provided on both sides of the bracket 2. The screw automatic processing production equipment and production process provided by the present invention have the technical effect of avoiding the occurrence of the knife piercing phenomenon by reducing the probability of blade damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall structure of an automatic screw processing and production equipment proposed by the present invention.

[0013] Figure 2 This is a schematic diagram of the disassembly of the driving structure of an automatic screw processing and production equipment proposed by the present invention.

[0014] Figure 3This is a schematic diagram of the structure of a limiting mechanism of an automatic screw processing and production equipment proposed by the present invention.

[0015] Figure 4 This is a schematic diagram of the disassembled connection structure of an outer sleeve ring and an internal threaded tube of a screw automatic processing and production equipment proposed by the present invention.

[0016] Figure 5 This is a schematic diagram of the structure of an automatic detection mechanism of an automatic screw processing and production equipment proposed by the present invention.

[0017] In the figure: 1. screw conveyor; 2. main bracket; 3. automatic detection mechanism; 4. limit mechanism; 5. motor 1; 6. bearing seat; 7. limit slide rod 1; 8. latch gear; 9. outer ring; 10. bracket 2; 11. slider; 12. gear; 13. motor 2; 14. support rod; 15. screw rod; 16. blade; 17. tool holder; 18. internal threaded pipe; 301. camera; 302. support plate 1; 303. hinge 1; 304. support plate 2; 305. buzzer; 306. electric telescopic rod 1; 307. hinge 2; 308. base; 309. pressure sensor; 401. limit frame; 402. slot; 403. inclined plane; 404. U-shaped limit frame; 405. electric telescopic rod 2; 406. limit slide rod 2; 407. limit block. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0019] The invention discloses an automatic screw processing production device and a production process which are mainly used in the scenario of screw production.

[0020] Reference Figure 1-Figure 3 , an automatic screw processing and production equipment, including a main bracket 2, a screw conveyor 1 is arranged on one side of the main bracket 2, and a bearing seat 6 is fixedly connected to the inner wall of the bottom end of the main bracket 2, a support rod 14 is rotatably connected in the bearing seat 6, and a screw rod 15 is fixedly connected to the middle section of the support rod 14, the other end of the support rod 14 is rotatably connected to the inner wall of one side of the main bracket 2, and one end of the support rod 14 is fixedly connected to a motor 5, the outer periphery of the screw rod 15 is movably engaged with an internal threaded tube 18, and the outer wall of the internal threaded tube 18 is movably sleeved with an outer sleeve 9, the outer periphery of the outer sleeve 9 is fixedly connected to two tool holders 17, and a blade 16 is respectively installed on each tool holder 17; One end of the internal threaded tube 18 is fixedly connected to a bracket 2 10, and a limit mechanism 4 is provided on the bracket 2 10. A plurality of latch teeth 8 are equidistantly provided on the circumferential outer wall of the outer sleeve 9, and a plurality of latch teeth 8 are movably engaged with a gear 12. The gear 12 is movably mounted on the bracket 2 10, and one side of the gear 12 passes through the bracket 2 10 and is fixedly connected to a motor 2 13. Both sides of the bracket 2 10 are respectively provided with automatic detection mechanisms 3. In the device, the motor 1 5 drives the screw rod 15 to rotate back and forth to push the blade 16 to perform thread processing on the outer wall of the screw, wherein the two blades 16 are fixed on the outer The circumferential outer wall of the collar 9, as the thread is continuously processed, can utilize the intermittent movement of the motor 2 13 to further drive the outer collar 9 to intermittently move in two directions along the circumferential outer wall of the internal threaded tube 18 through the meshing structure of the gear 12 and the latch 8, so as to repeatedly switch the positions of the two blades 16 to achieve the switching use of the two blades 16. Furthermore, after a single blade 16 processes a certain feed amount of screws, it can get a certain rest to avoid damage to the blade 16 due to overwork. Accordingly, the occurrence of the blade 16 piercing phenomenon can be avoided by reducing the probability of damage to the blade 16.

[0021] Reference Figure 2 In a preferred embodiment, the inner wall of the bottom end of the main bracket 2 is fixedly connected to a limiting slide rod 7, and the limiting slide rod 7 is movably connected to a slider 11, and the slider 11 is fixedly connected to the bottom end of the bracket 2 10.

[0022] Reference Figure 3 and Figure 4 In a preferred embodiment, the limiting mechanism 4 includes two limiting frames 401 fixedly connected to the circumferential outer wall of the outer ring 9, a limiting block 407 fixedly connected to the outer wall of the bottom end of the internal threaded tube 18, and a U-shaped limiting frame 404 arranged on the bracket 10.

[0023] Reference Figure 3 and Figure 4 In a preferred embodiment, a through groove 402 is provided through the inner wall of the outer ring 9, and two limit frames 401 are fixedly connected to the two ends of the through groove 402, respectively. A gap is provided in each through groove 402, and a limit block 407 passes through the through groove 402 and the gap at the same time, and the width of the limit block 407 is equal to the width of the limit frame 401.

[0024] Reference Figure 3 and Figure 4In a preferred embodiment, one side of the bracket 10 is fixedly connected to the electric telescopic rod 405, and the U-shaped limit frame 404 is fixedly connected to the output end of the electric telescopic rod 405. The same side of the bracket 10 is also fixedly connected to the limit slide rod 406, and the limit slide rod 406 is movably inserted into the U-shaped limit frame 404. The inner wall of the U-shaped limit frame 404 is movably attached to the outer wall of the limit frame 401 and the limit block 407. As the position of the blade 16 is switched, different The limit frame 401 in the upper position will overlap with the limit block 407 below respectively. At this time, the limit block 407 is inserted into the gap of the limit frame 401, and then the U-shaped limit frame 404 is pushed forward by starting the electric telescopic rod 405. Based on the setting of the inclined surface 403, the limit block 407 can be gradually pushed to be completely flush with the outer wall of the limit frame 401, thereby playing a correction role to compensate for the instability of the meshing of the gear 12, and further ensure the subsequent automatic detection mechanism 3 to the detection result of the blade 16.

[0025] Reference Figure 5 In a preferred embodiment, the automatic detection mechanism 3 includes a base 308 fixedly connected to the main bracket 2, a support plate 2 304 fixedly connected to the outer wall of the top end of the base 308, a support plate 1 302 connected to the support plate 2 304 by a hinge, a camera 301 installed on the support plate 1 302, a buzzer 305 installed on the support plate 2 304 and a pressure sensor 309 arranged at the top end of the base 308.

[0026] Reference Figure 5 In a preferred embodiment, one side of the support plate 302 is connected to an electric telescopic rod 306 through a hinge 303, and one end of the electric telescopic rod 306 is connected to the top of the base 308 through a hinge 2 307. One side of the blade 16 can be attached to the pressure sensor 309. In the automatic detection mechanism 3, as the blade 16 is switched, the tip of the other replaced blade 16 will naturally press against the pressure sensor 309. When it feels the pressure, the electric telescopic rod 306 is controlled to retract, which can drive the support plate 1 302 and the support plate 2 304 is in a vertical state, so that the camera 301 is just above the pressure sensor 309. Therefore, by monitoring the pressure of the blade 16, it can be determined whether the connection between it and the knife holder 17 is loose. At the same time, the surface of the blade 16 is photographed by the camera 301, and the image is analyzed to monitor the degree of wear of the blade 16. If an abnormality is found, a prompt is given through the buzzer 305 to facilitate the replacement of the blade 16. In this way, the service life of the blade 16 can be automatically monitored to prevent the occurrence of knife piercing.

[0027] Reference Figure 1-Figure 5 , a production process of automatic screw processing production equipment, including the following specific steps: S1: The screw is conveyed by the screw conveyor 1, and when it moves to one end of the screw conveyor 1, the screw is clamped and driven to rotate; S2: The blade 16 moves forward under the drive of the screw rod 15, and threads are processed on the surface of the screw at the same time; S3: When the processing amount of the screws by the single blade 16 reaches the set feed amount, the second motor 13 is controlled to switch another blade 16 for use, and the limiting mechanism 4 limits the position of the blade 16; S4: As the replaced blade 16 rotates, its tip just fits against the surface of the corresponding pressure sensor 309, and the pressure value is monitored to determine whether the blade 16 is loose; S5: The electric telescopic rod 306 receives the pressure signal from the pressure sensor 309, drives the support plate 302 to be horizontal, and monitors the appearance of the blade 16 through the camera 301 to determine whether there is wear; S6: If the blade 16 is in an abnormal state, the buzzer 305 is used to remind the staff to replace it.

[0028] Working principle: In this device, the motor 15 drives the lead screw 15 to rotate back and forth to push the blade 16 to perform threading on the outer wall of the screw, wherein the two blades 16 are fixed to the circumferential outer wall of the outer ring 9 at the same time. As the thread is continuously processed, the intermittent movement of the motor 2 13 can be used to further drive the outer ring 9 to intermittently move in two directions along the circumferential outer wall of the internal threaded tube 18 through the meshing structure of the gear 12 and the latch 8, so as to repeatedly switch the positions of the two blades 16 to realize the switching use of the two blades 16. Furthermore, after a single blade 16 processes a screw with a certain feed amount, it can get a certain rest to avoid damage to the blade 16 due to overwork. Accordingly, the occurrence of the knife piercing phenomenon can be avoided by reducing the probability of damage to the blade 16.

[0029] 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. An automatic screw processing and production device, comprising a main support (2), characterized in that: A screw conveyor (1) is provided on one side of the main support (2), and a bearing seat (6) is fixedly connected to the inner wall of the bottom end of the main support (2), a support rod (14) is rotatably connected inside the bearing seat (6), and a screw rod (15) is fixedly connected to the support rod (14), the other end of the support rod (14) is rotatably connected to the inner wall of one side of the main support (2), and one end of the support rod (14) is fixedly connected to a motor (5), the outer periphery of the screw rod (15) is movably engaged with an internal threaded tube (18), and the outer wall of the internal threaded tube (18) is movably sleeved with an outer sleeve ring (9), the outer periphery of the outer sleeve ring (9) is fixedly connected to two tool holders (17), and a blade (16) is respectively installed on each tool holder (17); One end of the internally threaded tube (18) is fixedly connected to a second bracket (10), and a limit mechanism (4) is provided on the second bracket (10). A plurality of latch teeth (8) are equidistantly provided on the circumferential outer wall of the outer sleeve (9), and the plurality of latch teeth (8) are movably meshed with a gear (12). The gear (12) is movably mounted on the second bracket (10), and one side of the gear (12) passes through the second bracket (10) and is fixedly connected to a second motor (13). Automatic detection mechanisms (3) are respectively provided on both sides of the second bracket (10).

2. The automatic screw processing and production equipment according to claim 1 is characterized in that: The inner wall of the bottom end of the main bracket (2) is fixedly connected to a limiting slide rod (7), and the limiting slide rod (7) is movably connected to a slider (11), and the slider (11) is fixedly connected to the bottom end of the second bracket (10).

3. The automatic screw processing and production equipment according to claim 1 is characterized in that: The limiting mechanism (4) comprises two limiting frames (401) fixedly connected to the circumferential outer wall of the outer ring (9), a limiting block (407) fixedly connected to the outer wall of the bottom end of the internal threaded tube (18), and a U-shaped limiting frame (404) arranged on the second bracket (10).

4. The automatic screw processing and production equipment according to claim 3 is characterized in that: The inner wall of the outer ring (9) is provided with a through groove (402), and two limit frames (401) are respectively fixedly connected to the two ends of the through groove (402), each of the through grooves (402) is provided with a gap, and the limit block (407) passes through the through groove (402) and the gap at the same time, and the width of the limit block (407) is equal to the width of the limit frame (401).

5. The automatic screw processing and production equipment according to claim 4 is characterized in that: One side of the second bracket (10) is fixedly connected to the second electric telescopic rod (405), and the U-shaped limit frame (404) is fixedly connected to the output end of the second electric telescopic rod (405). The same side of the second bracket (10) is also fixedly connected to the second limit sliding rod (406), and the second limit sliding rod (406) is movably inserted into the U-shaped limit frame (404), and the inner wall of the U-shaped limit frame (404) is movably fitted to the outer wall of the limit frame (401) and the limit block (407).

6. The automatic screw processing and production equipment according to claim 1 is characterized in that: The automatic detection mechanism (3) comprises a base (308) fixedly connected to the main support (2), a second support plate (304) fixedly connected to the outer wall of the top end of the base (308), a first support plate (302) connected to the second support plate (304) by a hinge, a camera (301) mounted on the first support plate (302), a buzzer (305) mounted on the second support plate (304), and a pressure sensor (309) arranged at the top end of the base (308).

7. The automatic screw processing and production equipment according to claim 6 is characterized in that: One side of the support plate 1 (302) is connected to an electric telescopic rod 1 (306) via a hinge 1 (303), and one end of the electric telescopic rod 1 (306) is connected to the top of the base (308) via a hinge 2 (307), and one side of the blade (16) can be attached to the pressure sensor (309).

8. A production process of automatic screw processing equipment, applied to the automatic screw processing equipment as claimed in claim 5 or 7, characterized in that: The specific steps include: S1: The screw is conveyed through the screw conveyor (1), and when it moves to one end of the screw conveyor (1), the screw is clamped and driven to rotate; S2: The blade (16) moves forward under the drive of the screw rod (15), and threads are processed on the surface of the screw at the same time; S3: When the processing amount of the screw by a single blade (16) reaches a set feed amount, the second motor (13) is controlled to switch another blade (16) for use, and at the same time, the limiting mechanism (4) limits the position of the blade (16); S4: As the replaced blade (16) rotates, its tip just fits against the surface of the corresponding pressure sensor (309), and the pressure value is monitored to determine whether the blade (16) is loosely connected; S5: the electric telescopic rod 1 (306) receives a pressure signal from the pressure sensor (309), drives the support plate 1 (302) to be horizontal, and monitors the appearance of the blade (16) through the camera (301) to determine whether there is wear; S6: If the blade (16) is in an abnormal state, the buzzer (305) is used to remind the staff to replace it.

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