A stainless steel pipe external thread processing device

Abstract

The present invention is applicable to the field of pipe processing technology, and provides a stainless steel pipe external thread processing device, including a table, and a hopper fixedly connected to the upper end of the table, and also including: a guide frame, and a station block slidably connected to the guide frame, the guide frame guides the left and right linear movement of the station block, the station block is located below the discharge port of the hopper, and the station block is provided with a station slot; two clamping block slides are symmetrically provided on the station block, and concave clamping blocks are slidably connected in the two clamping block slides, and one end of the two concave clamping blocks extends into the station slot. The clamping surface of the concave clamping block is V-shaped, and the two concave clamping blocks move synchronously, so that the present invention can clamp stainless steel pipes of different diameters, and the axis position of the stainless steel pipe after clamping is the same, that is, the axis of the tapping end is at the same position as the axis of the stainless steel pipe, and then by replacing the tapping ends of different specifications, the external thread processing of stainless steel pipes of different diameters can be achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of pipe processing, and in particular relates to a stainless steel pipe external thread processing device. Background Art

[0002] Stainless steel pipe is a hollow long round steel, which is widely used in pipelines for industrial transportation such as petroleum, chemical, medical, food and light industry, as well as mechanical structural components. When installing stainless steel pipe, in order to simplify the installation operation, it is often necessary to process external threads on the ends of the stainless steel pipe.

[0003] An existing Chinese invention patent (CN117428266B) discloses a stainless steel pipe external thread processing device. When the tapping end is reset and moved, the tapping end can drive the outer turntable and the inner turntable to rotate through a complex transmission, thereby realizing the loading and unloading of the stainless steel pipe. When the tapping end moves toward the stainless steel pipe, the tapping end drives the elastic friction pad to move upward through the structural transmission. The elastic friction pad cooperates with the outer turntable and the inner turntable to press the stainless steel pipe tightly to realize the fixation of the stainless steel pipe.

[0004] Although the above method can realize the loading and unloading and fixing of stainless steel pipes, it requires a complex transmission structure for power transmission. The structure is complicated. Since the shape of the grooves on the outer turntable and the inner turntable for receiving the stainless steel pipe is fixed, when the grooves receive stainless steel pipes of different diameters, the elastic friction pad cooperates with the outer turntable and the inner turntable to fix the stainless steel pipe, and the axial position of the stainless steel pipe changes. Therefore, it is impossible to realize the external thread processing of stainless steel pipes of different diameters only by replacing tapping ends of different specifications. The above device can only perform external thread processing on stainless steel pipes of fixed specifications, so it is not convenient to use. Summary of the invention

[0005] The purpose of an embodiment of the present invention is to provide a stainless steel pipe external thread processing device, aiming to solve the problem that when the existing device processes the external threads of stainless steel pipes of different diameters, the axial position of the stainless steel pipe changes, and the external threads of stainless steel pipes of different diameters cannot be processed by replacing tapping ends of different specifications.

[0006] The invention is implemented in this way. A stainless steel pipe external thread processing device comprises a table top and a hopper fixedly connected to the upper end of the table top, and also comprises: a guide frame and a work station block slidably connected to the guide frame, the guide frame guides the left and right linear movement of the work station block, the work station block is located below the hopper discharge port, and the work station block is provided with a work station slot; two clamping block slides are symmetrically arranged on the work station block, and concave clamping blocks are slidably connected in the two clamping block slides, and one end of the two concave clamping blocks extends into the work station slot; a transmission assembly is arranged on the work station block, and when one of the concave clamping blocks moves, the transmission assembly causes the other concave clamping block to move synchronously in the opposite direction; a spring 1 is fixedly connected to the concave clamping block close to one side of the hopper, and the end of the spring 1 is fixedly connected to the inner wall of the clamping block slide slot. When the spring 1 is naturally extended, the spring 1 pulls the concave clamping block to shrink in the clamping block slide slot; a moving assembly is arranged on the table top, and the moving assembly is used to drive the concave clamping block equipped with the spring 1 The cam is moved by the spring, and the spring is gradually contracted, and the short-term transmission assembly controls the bottom support plate to be temporarily fixedly connected with the concave clamping block, and the concave clamping block drives the bottom support plate to move to the right, so that the bottom support plate is separated from the bottom of the work station slot; a driving assembly is provided on the upper end of the table, and a tapping end is provided on the driving assembly, and the driving assembly is used to drive the tapping end to move and rotate.

[0007] According to a further technical solution, the moving assembly includes a motor 1 fixedly connected to the right end of the guide frame, a screw rod 1 fixedly connected to the rotating end of the motor 1, a drive sleeve threadedly connected to the screw rod 1, and a terminal end of the drive sleeve fixedly connected to a concave clamp block near the hopper.

[0008] A further technical solution is that the short-time transmission assembly includes a hook plate fixedly connected to the lower end of the bottom support plate, and a fixed block fixedly connected to the driving sleeve; a sliding groove is provided on the fixed block, a spring three is fixedly connected in the sliding groove and slidably connected, the lower end of the spring three is fixedly connected to a hook block, and the hook block is slidably connected in the sliding groove; an oblique push groove is provided at the lower end of the hook block, and a fixed push rod is fixedly connected to the upper end of the table top.

[0009] According to a further technical solution, the transmission assembly includes a concave mounting groove arranged in the work station block, in which a connecting block, a gear and a rack are arranged; the concave mounting groove is connected to two clamping block slide grooves, and racks are fixedly connected to the two concave clamping blocks, the gear is rotatably connected in the concave mounting groove, and the gear is meshed with the two racks at the same time.

[0010] A further technical solution is that the driving assembly includes a guide rail and a vertical plate fixedly connected to the upper end of the table; a sliding frame is slidably connected to the guide rail, a rotating sleeve is rotatably connected to the sliding frame, and the tapping end is fixed on the rotating sleeve at one end close to the work station block; motor 2 and motor 3 are fixedly connected to the vertical plate, and the rotating ends of motor 2 and motor 3 are respectively fixedly connected to screw rod 2 and a transmission shaft; screw rod 2 is threadedly matched with the sliding frame, and the transmission shaft is slidably matched with the rotating sleeve.

[0011] A further technical solution is that a locking assembly is provided on the sliding frame, and the locking assembly includes a limit rod fixedly connected to the sliding frame, and a limit groove and a slide groove one provided on the work block; a movable sleeve is slidably connected in the slide groove one, and a spring four and an engaging block are fixedly connected at one end of the movable sleeve close to the concave clamping block, and the spring four is located in the slide groove one; the movable sleeve is open at one end away from the concave clamping block, and the movable sleeve is slidably connected to a transmission block, and a spring five is fixedly connected at one end of the transmission block close to the concave clamping block, and the spring five is located in the movable sleeve, and a ratchet bar is embedded in one end of the concave clamping blocks close to the engaging block.

[0012] A further technical solution is that the hopper is provided with a length adjustment assembly, and the length adjustment assembly includes a baffle 1 arranged in the hopper, and two guide shafts 2 are fixedly connected to the baffle 1, and the two guide shafts 2 are both slidably connected to the hopper; a screw rod 3 is threadedly connected to the hopper, and one end of the screw rod 3 is rotatably connected to the baffle 1; a guide groove is provided on the inner wall of the work station groove, and a baffle 2 is slidably connected in the guide groove, and a bolt is threadedly connected to the baffle 2, and the end of the bolt is against the guide groove.

[0013] According to a further technical solution, the guide frame comprises two fixed plates fixedly connected on the table top, two parallel guide shafts are arranged between the two fixed plates, two ends of the guide shaft are respectively fixedly connected to the two fixed plates, and the work station block is slidably connected to the two guide shafts.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The moving assembly drives the concave clamping block (the concave clamping block on the right) equipped with a spring to move left and right. The left and right movement of the concave clamping block on the right side can control the movement of the station block and the bottom support plate, thereby realizing the loading, clamping and unloading operations of the stainless steel pipe, making the loading, unloading and clamping operations of the stainless steel pipe simpler and more reliable;

[0016] 2. The clamping surface of the concave clamping block is V-shaped, and the two concave clamping blocks move synchronously, so that the present invention can clamp stainless steel pipes of different diameters, and the axial position of the stainless steel pipe after clamping is the same, that is, the axial position of the tapping end is the axial position of the stainless steel pipe, and then by replacing the tapping ends of different specifications, the external thread processing of stainless steel pipes of different diameters can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic structural diagram of a stainless steel pipe external thread processing device provided by the present invention;

[0018] Figure 2 The present invention provides Figure 1 Schematic diagram of the structure after removing the hopper;

[0019] Figure 3 The present invention provides Figure 2 Schematic diagram of the structure after removing the table, tapping end and drive assembly;

[0020] Figure 4 The present invention provides Figure 3 Schematic diagram of the structure when looking up at the tilt angle;

[0021] Figure 5 The present invention provides Figure 3 Schematic diagram of the internal structure of the middle station block;

[0022] Figure 6 The present invention provides Figure 4 Schematic diagram of the internal structure of the medium and short time transmission components;

[0023] Figure 7 The present invention provides Figure 6 A is a schematic diagram of the enlarged structure of the middle part;

[0024] Figure 8 The present invention provides Figure 1 Schematic diagram of the structure of the middle drive assembly;

[0025] Fig. 9 The present invention provides Figure 5 Schematic diagram of the enlarged structure of B;

[0026] Fig.10 The present invention provides Figure 1 Schematic diagram of the structure of the middle hopper;

[0027] Fig.11 The present invention provides Fig.10 Schematic diagram of the internal structure of the middle hopper.

[0028] In the accompanying drawings: table 101, fixed plate 102, guide shaft 103, station block 104, station slot 105, clamping block slide slot 106, concave clamping block 107, hopper 108, spring 109, support block 110, bottom support plate 111, spring 2 112, tapping end 113, moving component 2, motor 1 201, screw rod 1 202, drive sleeve 203, short-time transmission component 3, hook plate 301, fixed block 302, sliding slot 303, hook block 304, spring 305, oblique push slot 306, fixed push rod 307, transmission component 4, concave mounting slot 40 1. Connecting block 402, gear 403, rack 404, driving assembly 5, guide rail 501, sliding frame 502, rotating sleeve 503, vertical plate 504, motor 2 505, screw 2 506, motor 3 507, transmission shaft 508, locking assembly 6, limiting groove 601, limiting rod 602, slide groove 1 603, spring 4 604, moving sleeve 605, transmission block 606, spring 5 607, meshing block 608, ratchet bar 609, length adjustment assembly 7, baffle 1 701, guide shaft 2 702, screw 3 703, guide groove 704, baffle 2 705. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0030] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0031] like Figure 1-Figure 6As shown, a stainless steel pipe external thread processing device provided by an embodiment of the present invention includes a table 101, and a hopper 108 fixedly connected to the upper end of the table 101, and also includes: a guide frame, and a work block 104 slidably connected to the guide frame, the guide frame guides the left and right linear movement of the work block 104, the work block 104 is located below the discharge port of the hopper 108, and the work block 104 is provided with a work slot 105; two clamping block slide grooves 106 are symmetrically provided on the work block 104, and concave clamping blocks 107 are slidably connected in the two clamping block slide grooves 106, and one end of the two concave clamping blocks 107 extends into the work slot 105; the work block 104 is provided with Transmission assembly 4, when one of the concave clamping blocks 107 moves, the transmission assembly 4 causes the other concave clamping block 107 to move in the opposite direction synchronously; a spring 109 is fixedly connected to the concave clamping block 107 on the side close to the hopper 108, and the end of the spring 109 is fixedly connected to the inner wall of the clamping block slide groove 106. When the spring 109 naturally stretches, the spring 109 pulls the concave clamping block 107 to shrink in the clamping block slide groove 106; a moving assembly 2 is provided on the table 101, and the moving assembly 2 is used to drive the concave clamping block 107 equipped with the spring 109 to move; under the guiding action of the guide frame, the moving concave clamping block 107 drives the station block 104 to move through the elastic force of the spring 109, and the station block When 104 moves to the left end of the guide frame and cannot move further, the concave clamping block 107 that continues to move overcomes the elastic force of the spring 109 and extends into the work station slot 105; the upper end of the table 101 is fixedly connected to a support block 110, and the support block 110 is slidably connected to a bottom support plate 111, and the bottom support plate 111 is located at the lower end of the work station block 104, and the support block 110 is fixedly connected to a spring 2 112, and the end of the spring 2 112 is fixedly connected to the right part of the bottom support plate 111; a short-time transmission component 3 is provided on the bottom support plate 111, and when the concave clamping block 107 with the spring 109 installed moves to the right and retracts into the clamping block slide slot 106, the spring 109 gradually contracts, and the short-time transmission component 3 is Component 3 controls the bottom support plate 111 to be temporarily fixedly connected with the concave clamping block 107, and the concave clamping block 107 drives the bottom support plate 111 to move to the right, so that the bottom support plate 111 is separated from the bottom of the work station slot 105; a driving component 5 is arranged at the upper end of the table 101, and a tapping end 113 is arranged on the driving component 5, and the driving component 5 is used to drive the tapping end 113 to move and rotate; the guide frame includes two fixed plates 102 fixedly connected to the table 101, and two parallel guide shafts 103 are arranged between the two fixed plates 102, and the two ends of the guide shaft 103 are respectively fixedly connected to the two fixed plates 102, and the work station block 104 is slidably connected to the two guide shafts 103.

[0032] In the embodiment of the present invention, when in use, the stainless steel pipe is placed in the hopper 108, and the material is fed through the hopper 108. The discharge port of the hopper 108 can only pass one stainless steel pipe at a time. In the initial state, the station slot 105 is located below the discharge port of the hopper 108. The bottom support plate 111 and the station slot 105 constitute a stainless steel pipe receiving space. The bottom stainless steel pipe in the hopper 108 enters the station slot 105, and the bottom support plate 111 supports the stainless steel pipe. The moving component 2 drives the concave clamping block 107 (the concave clamping block 107 on the right side) equipped with a spring 109 to move to the left. The concave clamping block 107 on the right side is moved by the spring 109. The elastic force pulls the work block 104 to the left and moves until the work block 104 moves to the left end of the guide frame (the left end of the guide shaft 103) and cannot move further. The right side concave clamping block 107 that continues to move overcomes the elastic force of the spring 109 and moves relative to the work block 104. The right side concave clamping block 107 extends into the work slot 105. When the right side concave clamping block 107 moves, the transmission component 4 causes the other concave clamping block 107 to move in the opposite direction synchronously, thereby causing the two concave clamping blocks 107 to synchronously extend into the work slot 105 and clamp the stainless steel pipe. The clamping surface of the concave clamping block 107 is V-shaped, and the driving component 5 drives the tapping end 113 to move and The tapping end 113 rotates and moves toward the end of the stainless steel pipe, so that the tapping end 113 performs external thread processing on the stainless steel pipe. After the external thread processing is completed, the tapping end 113 moves in the opposite direction and reverses to reset. The moving component 2 drives the concave clamping block 107 (the concave clamping block 107 on the right side) equipped with a spring 109 to move to the right. At this time, the concave clamping block 107 first moves to the right relative to the work block 104, and the spring 109 gradually contracts, and the work block 104 does not move, thereby causing the work block 104 to retract into the clamping block slot 106. The two concave clamping blocks 107 release the stainless steel pipe. In the process of the gradual contraction of the spring 109, the The transmission component 3 controls the bottom support plate 111 to be temporarily fixedly connected with the concave clamping block 107, and the concave clamping block 107 drives the bottom support plate 111 to move to the right, so that the bottom support plate 111 is separated from the bottom of the work station slot 105, so that the processed stainless steel pipe falls from the work station slot 105 and completes the unloading, and the spring 2 112 drives the bottom support plate 111 to move to the left and reset, and the concave clamping block 107 on the right side pulls the work station block 104 to the right through the elastic force of the spring 1 109 until the work station slot 105 is again below the discharge port of the hopper 108, and the stainless steel pipe falls into the work station slot 105 again, and the external thread processing of the next stainless steel pipe can be carried out.

[0033] like Figure 1-Figure 4As shown, as a preferred embodiment of the present invention, the moving component 2 includes a motor 201 fixedly connected to the right end of the guide frame, the rotating end of the motor 201 is fixedly connected to a screw rod 202, the screw rod 202 is threadedly connected to a drive sleeve 203, and the end of the drive sleeve 203 is fixedly connected to a concave clamping block 107 near the hopper 108.

[0034] In the embodiment of the present invention, the motor 201 drives the screw rod 202 to rotate, the screw rod 202 drives the drive sleeve 203 to move left and right through thread transmission, and the drive sleeve 203 drives the concave clamping block 107 on the right side to move left and right.

[0035] like Figure 1-Figure 6 As shown, as a preferred embodiment of the present invention, the short-time transmission assembly 3 includes a hook plate 301 fixedly connected to the lower end of the bottom support plate 111, and a fixed block 302 fixedly connected to the drive sleeve 203; a sliding groove 303 is provided on the fixed block 302, and a spring three 305 is fixedly connected in the sliding groove 303 and slidably connected, and a hook block 304 is fixedly connected at the lower end of the spring three 305, and the hook block 304 is slidably connected in the sliding groove 303; an oblique push groove 306 is provided at the lower end of the hook block 304, and a fixed push rod 307 is fixedly connected to the upper end of the table top 101.

[0036] In the embodiment of the present invention, when the driving sleeve 203 moves to the left, the driving sleeve 203 drives the fixed block 302 and the hook block 304 to move to the left, and the hook plate 301 overcomes the elastic force of the spring 305 and pushes the hook block 304 upward, so that the hook block 304 can move smoothly to the left; when the driving sleeve 203 moves to the right, the driving sleeve 203 drives the fixed block 302 and the hook block 304 to move to the right, and the hook block 304 drives the hook plate 301 to move to the right, and the hook plate 301 overcomes the elastic force of the spring 305 The elastic force of spring two 112 drives the bottom support plate 111 to move to the right, so that the bottom support plate 111 is disengaged from the bottom of the work station slot 105 until the fixed push rod 307 contacts the inclined push slot 306. The fixed push rod 307 overcomes the elastic force of spring three 305 through the inclined push slot 306 and pushes the hook block 304 upward, so that the hook block 304 does not contact the hook plate 301. The spring two 112 pulls the bottom support plate 111 to the left, thereby moving the bottom support plate 111 to the left and resetting.

[0037] like Figure 1-Figure 5 As shown, as a preferred embodiment of the present invention, the transmission assembly 4 includes a concave mounting groove 401 arranged in the work station block 104, and a connecting block 402, a gear 403 and a rack 404 are arranged in the concave mounting groove 401; the concave mounting groove 401 is connected to the two clamping block slide grooves 106, and the two concave clamping blocks 107 are fixedly connected with a rack 404, the gear 403 is rotatably connected in the concave mounting groove 401, and the gear 403 is meshed with the two racks 404 at the same time.

[0038] In the embodiment of the present invention, when the concave clamping block 107 on the right side moves, the concave clamping block 107 on the right side drives the connecting block 402 and the rack 404 on the right side to move, the rack 404 on the right side drives the gear 403 to rotate, the gear 403 drives the rack 404 on the left side to move in the opposite direction, and the rack 404 on the left side drives the connecting block 402 and the concave clamping block 107 on the left side to move in the opposite direction.

[0039] like Figure 1 , Figure 2 and Figure 8 As shown, as a preferred embodiment of the present invention, the driving assembly 5 includes a guide rail 501 and a vertical plate 504 fixedly connected to the upper end of the table 101; a sliding frame 502 is slidably connected to the guide rail 501, a rotating sleeve 503 is rotatably connected to the sliding frame 502, and the tapping end 113 is fixed to the rotating sleeve 503 at one end close to the work station block 104; a motor 2 505 and a motor 3 507 are fixedly connected to the vertical plate 504, and the rotating ends of the motor 2 505 and the motor 3 507 are respectively fixedly connected with a screw rod 2 506 and a transmission shaft 508, the screw rod 2 506 is threadedly matched with the sliding frame 502, the transmission shaft 508 is slidably matched with the rotating sleeve 503, and the matching cross-section of the rotating sleeve 503 and the transmission shaft 508 is a regular hexagon.

[0040] In the embodiment of the present invention, the motor three 507 drives the transmission shaft 508 to rotate, the transmission shaft 508 drives the rotating sleeve 503 to rotate, the rotating sleeve 503 drives the tapping end 113 to rotate, the motor two 505 drives the screw rod two 506 to rotate, and under the guidance of the guide rail 501, the rotating screw rod two 506 drives the sliding frame 502 to move through threaded transmission, the sliding frame 502 drives the rotating sleeve 503 to move, and the rotating sleeve 503 drives the tapping end 113 to move.

[0041] like Figure 3 , Figure 5 , Figure 7 and Figure 8As shown, as a preferred embodiment of the present invention, a locking assembly 6 is provided on the sliding frame 502, and the locking assembly 6 includes a limiting rod 602 fixedly connected to the sliding frame 502; and a limiting groove 601 and a slide groove 603 are provided on the work station block 104, a movable sleeve 605 is slidably connected in the slide groove 603, and a spring four 604 and an engaging block 608 are fixedly connected to one end of the movable sleeve 605 close to the concave clamping block 107, and the spring four 604 is located in the slide groove 603; the movable sleeve 605 is openly arranged at one end away from the concave clamping block 107, and the movable sleeve 605 is slidably connected to a transmission block 606, and a spring five 607 is fixedly connected to one end of the transmission block 606 close to the concave clamping block 107, and the spring five 607 is located in the movable sleeve 605, and a ratchet bar 609 is embedded in one end of the concave clamping block 107 close to the engaging block 608.

[0042] In the embodiment of the present invention, in the initial state, the spring five 607 and the spring four 604 are both in a naturally extended state, the spring five 607 pushes the transmission block 606 to be at the end of the movable sleeve 605, the spring four 604 pushes the movable sleeve 605 to be at one end of the slide groove one 603, and the engagement block 608 is not engaged with the ratchet bar 609; after the two concave clamping blocks 107 clamp the stainless steel pipe, when the sliding frame 502 drives the rotating sleeve 503, the tapping end 113 and the limit rod 602 to move toward the stainless steel pipe, the limit rod 602 is first inserted into the limit groove 601, so that the limit rod 602 limits the movement of the work block 104, and The limiting rod 602 pushes the transmission block 606, and the transmission block 606 pushes the movable sleeve 605 to move through the elastic force of the spring five 607, so that the movable sleeve 605 overcomes the elastic force of the spring four 604 and drives the engaging block 608 to move, so that the engaging block 608 engages with the ratchet bar 609, thereby limiting the concave clamping block 107 from being away from the stainless steel pipe, and then when the stainless steel pipe is subjected to external thread processing, the concave clamping block 107 cannot loosen the stainless steel pipe, thereby improving the safety of the device during use, and as the transmission block 606 moves, the spring five 607 is gradually compressed, and the elastic coefficient of the spring five 607 is greater than the elastic coefficient of the spring four 604.

[0043] like Figure 1 , Figure 3 , Fig.10 and Fig.11As shown, as a preferred embodiment of the present invention, the hopper 108 is provided with a length adjustment component 7, and the length adjustment component 7 includes a baffle 1 701 arranged in the hopper 108, and two guide shafts 2 702 are fixedly connected to the baffle 1 701, and the two guide shafts 2 702 are both slidably connected to the hopper 108; a screw rod 3 703 is threadedly connected to the hopper 108, and one end of the screw rod 3 703 is rotatably connected to the baffle 1 701; a guide groove 704 is provided on the inner wall of the work station slot 105, and a baffle 2 705 is slidably connected in the guide groove 704, and a bolt is threadedly connected to the baffle 2 705, and the end of the bolt is against the guide groove 704.

[0044] In the embodiment of the present invention, according to the length of the stainless steel pipe, the screw rod three 703 is rotated, and under the guiding action of the guide shaft two 702, the screw rod three 703 drives the baffle one 701 to move through threaded transmission, thereby adjusting the space in the hopper 108 so that the length of the space in the hopper 108 matches the stainless steel pipe, and loosening the bolts to move the position of the baffle two 705 so that the length of the space in the work station slot 105 matches the stainless steel pipe, and then tightening the bolts to fix the baffle two 705 in the work station slot 105, so that the present invention can feed stainless steel pipes of different lengths and perform external thread processing.

[0045] The above embodiment of the present invention provides a stainless steel pipe external thread processing device. When in use, the stainless steel pipe is placed in the hopper 108, and the material is fed through the hopper 108. The discharge port of the hopper 108 can only pass one stainless steel pipe at a time. In the initial state, the station slot 105 is located below the discharge port of the hopper 108. The bottom support plate 111 and the station slot 105 constitute a stainless steel pipe receiving space. The stainless steel pipe at the bottom of the hopper 108 enters the station slot 105. The bottom support plate 111 supports the stainless steel pipe. The motor 201 drives the screw rod 202 to rotate. The screw rod 202 drives the drive sleeve 203 to move to the left through a threaded transmission. The drive sleeve 203 drives the concave clamping block 107 (the concave clamping block on the right side) equipped with a spring 109. The concave clamping block 107 on the right side moves to the left, and the concave clamping block 107 on the right side pulls the station block 104 to the left by the elastic force of the spring 109, until the station block 104 moves to the left end of the guide frame (the left end of the guide shaft 103) and cannot move further, the right concave clamping block 107 that continues to move overcomes the elastic force of the spring 109 and moves relative to the station block 104, and the right concave clamping block 107 extends into the station slot 105. When the right concave clamping block 107 moves, the right concave clamping block 107 drives the right connecting block 402 and the rack 404 to move, the right rack 404 drives the gear 403 to rotate, and the gear 403 drives the left rack 404 to move in the opposite direction, and the left rack 404 drives the left connecting block 402 and the concave clamping block 107 The two concave clamps 107 are moved in the opposite direction, so that the two concave clamps 107 are synchronously extended into the work station slot 105 and clamp the stainless steel pipe. The clamping surface of the concave clamp 107 is V-shaped. The motor 3 507 drives the transmission shaft 508 to rotate, the transmission shaft 508 drives the rotating sleeve 503 to rotate, the rotating sleeve 503 drives the tapping end 113 to rotate, the motor 2 505 drives the screw rod 2 506 to rotate, and under the guidance of the guide rail 501, the rotating screw rod 2 506 drives the sliding frame 502 to move through threaded transmission, the sliding frame 502 drives the rotating sleeve 503 and the limiting rod 602 to move, the rotating sleeve 503 drives the tapping end 113 to move, and then the tapping end 113 rotates and moves toward the end of the stainless steel pipe, and the limiting rod 602 is first inserted into the limiting groove 601. The limit rod 602 limits the movement of the station block 104, and the limit rod 602 pushes the transmission block 606. The transmission block 606 pushes the movable sleeve 605 to move through the elastic force of the spring five 607, so that the movable sleeve 605 overcomes the elastic force of the spring four 604 and drives the meshing block 608 to move, so that the meshing block 608 is engaged with the ratchet bar 609, thereby limiting the concave clamping block 107 from being away from the stainless steel pipe. Then, when the stainless steel pipe is subjected to external thread processing, the concave clamping block 107 cannot loosen the stainless steel pipe, thereby improving the safety of the device during use. Subsequently, the tapping end 113 performs external thread processing on the stainless steel pipe. After the external thread processing is completed, the tapping end 113 moves in the opposite direction and reverses to reset, the motor 1 201 reverses, and the drive sleeve 203 moves to the right.The driving sleeve 203 drives the concave clamping block 107 (the concave clamping block 107 on the right side) equipped with the spring 109 to move rightward. At this time, the concave clamping block 107 first moves rightward relative to the station block 104, the spring 109 gradually contracts, the station block 104 does not move, and then the station block 104 is retracted into the clamping block slide groove 106, and the two concave clamping blocks 107 release the stainless steel pipe. In the process of the gradual contraction of the spring 109, the driving sleeve 203 drives the fixed block 302 and the hook block 304 to move rightward, the hook block 304 drives the hook plate 301 to move rightward, the hook plate 301 overcomes the elastic force of the spring 2 112 and drives the bottom support plate 111 to move rightward, so that the bottom support plate 111 is moved from under the station slot 105 The fixed push rod 307 then contacts the oblique push groove 306, and the fixed push rod 307 overcomes the elastic force of the spring three 305 through the oblique push groove 306 and pushes the hook block 304 upward, so that the hook block 304 does not contact the hook plate 301. The spring two 112 pulls the bottom support plate 111 to the left, so that the bottom support plate 111 moves to the left and resets. The concave clamping block 107 on the right pulls the station block 104 to the right through the elastic force of the spring one 109, until the station slot 105 is again below the discharge port of the hopper 108, and the stainless steel pipe falls into the station slot 105 again, and the external thread processing of the next stainless steel pipe can be carried out.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A stainless steel pipe external thread processing device, comprising a table (101), and a hopper (108) fixedly connected to the upper end of the table (101), characterized in that: Also includes: A guide frame, and a workstation block (104) slidably connected to the guide frame, the guide frame guiding the left-right linear movement of the workstation block (104), the workstation block (104) being located below a discharge port of a hopper (108), and the workstation block (104) being provided with a workstation slot (105); Two clamping block slide grooves (106) are symmetrically arranged on the work station block (104), and a concave clamping block (107) is slidably connected in the two clamping block slide grooves (106), and one end of the two concave clamping blocks (107) extends into the work station groove (105); The workstation block (104) is provided with a transmission assembly (4), and when one of the concave clamping blocks (107) moves, the transmission assembly (4) causes the other concave clamping block (107) to move synchronously in the opposite direction; A spring 1 (109) is fixedly connected to the concave clamping block (107) on one side close to the hopper (108), and the end of the spring 1 (109) is fixedly connected to the inner wall of the clamping block slide groove (106). When the spring 1 (109) naturally stretches, the spring 1 (109) pulls the concave clamping block (107) to retract into the clamping block slide groove (106); A moving assembly (2) is provided on the table top (101), and the moving assembly (2) is used to drive a concave clamping block (107) equipped with a spring 1 (109) to move; Under the guiding action of the guide frame, the moving concave clamping block (107) drives the work station block (104) to move through the elastic force of the spring 1 (109); when the work station block (104) moves to the left end of the guide frame and cannot move further, the moving concave clamping block (107) overcomes the elastic force of the spring 1 (109) and extends into the work station slot (105); The upper end of the table top (101) is fixedly connected to a support block (110), a bottom support plate (111) is slidably connected to the support block (110), the bottom support plate (111) is located at the lower end of the work station block (104), a second spring (112) is fixedly connected to the support block (110), and the end of the second spring (112) is fixedly connected to the right part of the bottom support plate (111); The bottom support plate (111) is provided with a short-time transmission component (3). When the concave clamping block (107) equipped with a spring (109) moves to the right and retracts into the clamping block slide groove (106), the spring (109) gradually contracts, and the short-time transmission component (3) controls the bottom support plate (111) to be temporarily fixedly connected with the concave clamping block (107). The concave clamping block (107) drives the bottom support plate (111) to move to the right, so that the bottom support plate (111) is separated from the bottom of the work station groove (105). A driving assembly (5) is arranged at the upper end of the table top (101), and a tapping end (113) is arranged on the driving assembly (5). The driving assembly (5) is used to drive the tapping end (113) to move and rotate.

2. The stainless steel pipe external thread processing device according to claim 1, characterized in that: The moving assembly (2) comprises a motor 1 (201) fixedly connected to the right end of the guide frame, and a screw rod 1 (202) is fixedly connected to the rotating end of the motor 1 (201); A drive sleeve (203) is threadedly connected to the first screw rod (202), and the end of the drive sleeve (203) is fixedly connected to a concave clamping block (107) close to the hopper (108).

3. The stainless steel pipe external thread processing device according to claim 2, characterized in that: The short-time transmission assembly (3) comprises a hook plate (301) fixedly connected to the lower end of the bottom support plate (111), and a fixing block (302) fixedly connected to the driving sleeve (203); The fixed block (302) is provided with a sliding groove (303), a spring three (305) is fixedly connected in the sliding groove (303) and slidably connected, a hook block (304) is fixedly connected at the lower end of the spring three (305), and the hook block (304) is slidably connected in the sliding groove (303); The lower end of the hook block (304) is provided with an oblique push groove (306), and the upper end of the table top (101) is fixedly connected with a fixed push rod (307).

4. The stainless steel pipe external thread processing device according to claim 1, characterized in that: The transmission assembly (4) comprises a concave installation groove (401) arranged in the work station block (104), and a connecting block (402), a gear (403) and a rack (404) are arranged in the concave installation groove (401); The concave mounting groove (401) is connected to the two clamping block sliding grooves (106), and the two concave clamping blocks (107) are fixedly connected with a rack (404). The gear (403) is rotatably connected in the concave mounting groove (401), and the gear (403) is meshed with the two racks (404) at the same time.

5. The stainless steel pipe external thread processing device according to claim 1, characterized in that: The driving assembly (5) comprises a guide rail (501) and a vertical plate (504) fixedly connected to the upper end of the table top (101); The guide rail (501) is slidably connected to a sliding frame (502), the sliding frame (502) is rotatably connected to a rotating sleeve (503), and the tapping end (113) is fixed to one end of the rotating sleeve (503) close to the work station block (104); The vertical plate (504) is fixedly connected to a second motor (505) and a third motor (507), and the rotating ends of the second motor (505) and the third motor (507) are respectively fixedly connected to a second screw rod (506) and a transmission shaft (508); The second screw rod (506) is threadedly matched with the sliding frame (502), and the transmission shaft (508) is slidingly matched with the rotating sleeve (503).

6. The stainless steel pipe external thread processing device according to claim 5, characterized in that: The sliding frame (502) is provided with a locking assembly (6), and the locking assembly (6) comprises a limiting rod (602) fixedly connected to the sliding frame (502), and a limiting groove (601) and a sliding groove 1 (603) provided on the work block (104); A movable sleeve (605) is slidably connected in the slide groove (603), and a spring (604) and an engaging block (608) are fixedly connected to one end of the movable sleeve (605) close to the concave clamping block (107), and the spring (604) is located in the slide groove (603); The movable sleeve (605) is openly arranged at one end away from the concave clamping block (107), and the movable sleeve (605) is slidably connected to a transmission block (606). The transmission block (606) is fixedly connected to a spring five (607) at one end close to the concave clamping block (107). The spring five (607) is located in the movable sleeve (605), and a ratchet bar (609) is embedded at one end of one of the concave clamping blocks (107) close to the engagement block (608).

7. The stainless steel pipe external thread processing device according to claim 1, characterized in that: The hopper (108) is provided with a length adjustment component (7), the length adjustment component (7) comprising a baffle plate 1 (701) provided in the hopper (108), two guide shafts 2 (702) being fixedly connected to the baffle plate 1 (701), and the two guide shafts 2 (702) are both slidably connected to the hopper (108); The hopper (108) is threadedly connected to a screw rod three (703), and one end of the screw rod three (703) is rotatably connected to a baffle plate one (701); A guide groove (704) is provided on the inner wall of the work station groove (105), a baffle plate 2 (705) is slidably connected in the guide groove (704), a bolt is threadedly connected to the baffle plate 2 (705), and the end of the bolt abuts against the guide groove (704).

8. The stainless steel pipe external thread processing device according to claim 1, characterized in that: The guide frame comprises two fixed plates (102) fixedly connected to the table top (101), and two parallel guide shafts (103) are arranged between the two fixed plates (102); The two ends of the guide shaft one (103) are respectively fixedly connected to the two fixed plates (102), and the work block (104) is slidably connected to the two guide shafts one (103).

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