CN218945950U - Draw trolley for reducing head-making steel pipe - Google Patents
Draw trolley for reducing head-making steel pipe Download PDFInfo
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- CN218945950U CN218945950U CN202223121530.0U CN202223121530U CN218945950U CN 218945950 U CN218945950 U CN 218945950U CN 202223121530 U CN202223121530 U CN 202223121530U CN 218945950 U CN218945950 U CN 218945950U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a drawing trolley for a reduced-diameter head-making steel pipe, which comprises a rack, a pipe outlet frame fixedly arranged on the rack, a cold-drawing outer die arranged in the pipe outlet frame and a steel pipe positioned in the cold-drawing outer die, and is characterized in that: the drawing trolley is arranged on the frame, a track is arranged on the frame, and the drawing trolley is movably arranged on the track left and right through the driving assembly, so that the drawing trolley has the beneficial effects that: through having set up between outer jacket and the awl piece through taper fit to having set up the pretension hydro-cylinder and impelling the outer jacket, having made after the drawing force forms, pretension hydro-cylinder unloads the power, makes awl piece, outer jacket and steel pipe form the auto-lock after drawing force produces, plays the effect that draws more tightly more, and after the steel pipe passes through the cold drawing mould, outer jacket will rebound owing to the reaction force, thereby unclamp the steel pipe, the convenience is taken out to the steel pipe.
Description
Technical Field
The utility model belongs to the technical field of drawing trolleys, and particularly relates to a drawing trolley for a reduced-diameter head steel tube.
Background
On a steel pipe cold drawing production line, when the steel pipe is reduced in diameter, a drawing trolley is required to be used for drawing the steel pipe, so that the steel pipe passes through a die to reduce the outer diameter, and the effect of reducing the diameter is achieved.
The traditional drawing trolley generally adopts a clamp to draw a steel pipe, the structure of the clamp is complex, the clamp needs to be clamped and opened all the time in the drawing process, the working accuracy of the clamp can be reduced after long-time working, the clamp is easy to separate from the steel pipe when the steel pipe is drawn, and the clamp is inconvenient to use.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a draw trolley for reducing head-making steel pipes, includes the frame, the fixed pipe frame that sets up in the frame that goes out, the cold drawing external mold that sets up in going out the pipe frame and the steel pipe that is located cold drawing external mold, its characterized in that: be equipped with in the frame and draw the dolly, be equipped with the track in the frame, draw the dolly to control the activity through drive assembly and set up on the track, draw the dolly to go up the activity and be equipped with the propulsion piece, be equipped with on the dolly and carry out the direction subassembly that leads to the steel pipe when the steel pipe inserts, the propulsion piece is advanced through the propulsion subassembly, the left side of propulsion piece is contradicted and is connected with the excircle and presss from both sides the cover, the front side of drawing the dolly has the awl piece, the taper hole has been seted up in the taper piece, the excircle that the excircle pressed from both sides the cover has the tapering, the excircle that the excircle pressed from both sides the cover sets up with the taper hole cooperation.
As a further improvement of the utility model: the pushing assembly comprises a pre-tightening oil cylinder fixedly arranged on the drawing trolley, a movable block is fixedly arranged on the circumference of the pushing block, a movable groove for enabling the movable block to move is formed in the pre-tightening oil cylinder, and the pushing block pushes through the pre-tightening oil cylinder.
As a further improvement of the utility model: the driving assembly comprises a main oil cylinder arranged at the right end of the frame, and a piston rod of the main oil cylinder is fixedly connected with the drawing trolley.
As a further improvement of the utility model: the outer circular jacket is at least provided with two through grooves in a penetrating mode, the through grooves divide the outer circular jacket into at least two jacket blocks, and the jacket blocks are connected with one another through elastic components.
As a further improvement of the utility model: the elastic component comprises a spring, wherein the spring is fixedly connected with the clamping sleeve block and the other clamping sleeve block, and the spring is positioned in the through groove.
As a further improvement of the utility model: the guide assembly comprises a core rod fixedly connected with the drawing trolley, a placement hole is formed in the pushing block, the core rod is located in the placement hole, the core rod penetrates through the outer circular jacket and extends out of the conical block, the left end of the core rod is in a conical shape, and the outer surface of the core rod is arranged at intervals with the inner surface of the outer circular jacket.
As a further improvement of the utility model: the core rod is detachably connected with the drawing trolley through threads.
The utility model has the beneficial effects that: through having set up between outer jacket and the awl piece through taper fit to having set up the pretension hydro-cylinder and impelling outer jacket, having made after the drawing force forms, pretension hydro-cylinder unloads the power, makes awl piece, outer jacket and steel pipe form the auto-lock after drawing force produces, plays the effect that draws more tightly more, and after the steel pipe passes through the cold drawing mould, outer jacket will rebound owing to the reaction force, loosens the steel pipe, conveniently takes out the steel pipe.
Drawings
FIG. 1 is a construction diagram of the present utility model;
FIG. 2 is an enlarged schematic view of A in FIG. 1;
FIG. 3 is an enlarged schematic view of B in FIG. 2;
FIG. 4 is a left side view of the outer jacket;
reference numerals illustrate: 1. the device comprises a frame, a pipe frame, a cold drawing outer die, a steel pipe, a drawing trolley, a rail, a pushing block, an outer circular jacket, a conical block, a conical hole, a pre-tightening oil cylinder, a movable block, a movable groove, a main oil cylinder, a through groove, a spring, a core rod and a placing hole.
Detailed Description
The utility model will be further described in detail with reference to examples of embodiments shown in the drawings.
Referring to figures 1-4, a drawing trolley 5 for a reduced diameter head-making steel pipe 4 in the embodiment comprises a frame 1, a pipe frame 2 fixedly arranged on the frame 1, a cold-drawing outer die 3 arranged in the pipe frame 2 and the steel pipe 4 positioned in the cold-drawing outer die 3, wherein the drawing trolley 5 is arranged on the frame 1, a track 6 is arranged on the frame 1, the drawing trolley 5 is movably arranged on the track 6 left and right through a driving component, a pushing block 7 is movably arranged on the drawing trolley 5, a guiding component for guiding the steel pipe 4 when the steel pipe 4 is inserted is arranged on the drawing trolley 5, the pushing block 7 pushes through the pushing component, an outer circle jacket 8 is connected to the left side of the pushing block 7 in a abutting mode, a conical block 9 is arranged on the front side of the drawing trolley 5, a conical hole 10 is formed in a penetrating mode on the conical block 9, the outer circle of the outer circle jacket 8 has a taper, the outer circle of the outer circle jacket 8 is matched with the taper hole 10, when the steel tube 4 in the pipe frame 2 needs to be drawn, the main oil cylinder 14 is started firstly to push the drawing trolley 5 to approach the steel tube 4, and the drawing trolley 5 is pushed continuously, as the core rod 17 is arranged on the drawing trolley 5, the push block 7 is provided with the placing hole 18, the core rod 17 is positioned in the placing hole 18 and penetrates through the outer circle jacket 8, the left side of the core rod 17 is in a conical shape, so that the steel tube 4 is guided and inserted between the outer circle jacket 8 and the core rod 17 through the conical shape on the left side of the core rod 17 after the main oil cylinder pushes the drawing trolley 5, then the main oil cylinder 14 stops, the pre-tightening oil cylinder 11 pushes the push block 7 to move leftwards, the circumference of the push block 7 is provided with the movable block 12, the movable groove 13 is arranged in the pre-tightening oil cylinder 11, the push block 7 drives the movable block 12 to move leftwards, because the left side of the pushing block 7 is in abutting connection with the outer circle jacket 8, the left side of the drawing trolley 5 is provided with the cone block 9, the cone block 9 is provided with the cone hole 10, the outer circle of the outer circle jacket 8 is provided with the taper, the outer circle jacket 8 is in taper fit in the cone block 9, so that the pre-tightening oil cylinder 11 is started, when the pushing block 7 is pushed, the outer circle jacket 8 is pushed leftwards, the outer circle jacket 8 clamps the steel pipe 4 between the outer circle jacket 8 and the core rod 17 through taper fit, after the steel pipe 4 is clamped, the main oil cylinder 14 is started, the piston rod of the main oil cylinder 14 drives the drawing trolley 5 to draw rightwards, after the drawing force is formed, the pre-tightening oil cylinder 11 unloads force to drive the pushing block to reset, and because the outer circle jacket 8 and the cone block 9 are in taper fit, after the drawing force is generated, the steel pipe 4 is formed into a self-locking clamp, so that the outer jacket 8 still clamps the steel pipe 4 after the pre-tightening oil cylinder 11 unloads force, and the steel pipe 4 is pulled and tightened along with the drawing of the steel pipe 4, when the steel pipe 4 is drawn, as the steel pipe 4 needs to be reduced by the cold-drawing outer die, a resistance force which is opposite to the drawing force is formed when the steel pipe 4 passes through the cold-drawing outer die, when the steel pipe 4 is drawn and passes through the cold-drawing outer die, the resistance force disappears, and the pushing block resets due to the unloading force of the pre-tightening oil cylinder 11 before, so that the right side of the outer jacket has no interference limit, so that after the resistance force disappears, the jacket can spring out rightwards along with the reaction force, move rightwards to be in interference with the pushing block due to the reaction force, and as the outer jacket 8 moves rightwards, the matched connection with the conical block 9 is released, the clamping of the steel pipe 4 is released, the steel pipe 4 is conveniently taken out, and the diameter reduction of the steel pipe 4 can be completed, through having set up between outer circle jacket 8 and the awl piece 9 through taper fit to having set up pretension hydro-cylinder 11 and impel outer circle jacket 8, make after the drawing force forms, pretension hydro-cylinder 11 unloads the power, make awl piece 9, outer circle jacket 8 and steel pipe 4 form the auto-lock after the drawing force produces, play the effect that draws more tightly more, and after steel pipe 4 passes through the cold drawing mould, outer circle jacket 8 will rebound because of the reaction force, loosen steel pipe 4, the convenience is taken out to the steel pipe.
The utility model is further provided with: the pushing assembly comprises a pre-tightening oil cylinder 11 fixedly arranged on the drawing trolley 5, a movable block 12 is fixedly arranged on the circumference of the pushing block 7, a movable groove 13 used for enabling the movable block 12 to move is formed in the pre-tightening oil cylinder 11, the pushing block 7 is pushed through the pre-tightening oil cylinder 11, when the steel pipe 4 needs to be clamped, the pre-tightening oil cylinder 11 is only required to be started, the pushing block 7 is pushed by the pre-tightening oil cylinder 11, the outer circular clamping sleeve 8 is pushed by the pushing block 7, and the steel pipe 4 can be clamped through taper fit between the outer circular clamping sleeve 8 and the taper block 9.
The utility model is further provided with: the driving assembly comprises a main oil cylinder 14 arranged at the right end of the frame 1, a piston rod of the main oil cylinder 14 is fixedly connected with the drawing trolley 5, and the main oil cylinder 14 is arranged, so that after the steel pipe 4 is clamped through the outer circular jacket 8, the drawing trolley 5 can be driven to move through starting the main oil cylinder 14, the steel pipe 4 can be drawn through the drawing trolley 5, and the drawing effect is stable and good through the oil cylinder.
The utility model is further provided with: the outer circular jacket 8 is at least provided with two through grooves 15 in a penetrating way, the through grooves 15 divide the outer circular jacket 8 into at least two jacket blocks, the jacket blocks are connected with one another through an elastic assembly, and the through grooves 15 are arranged, so that the outer circular jacket 8 can be provided with a compression space through the arrangement of the through grooves 15 after being pressed into the taper hole 10 by the pushing block 7, the outer circular jacket 8 can be compressed after being pressed into the taper hole 10, the inner diameter is reduced, the steel pipe 4 is clamped, and the steel pipe 4 is conveniently and rapidly clamped.
The utility model is further provided with: the elastic component includes spring 16, fixed connection between spring 16 and clamp cover piece and the another clamp cover piece, spring 16 is located logical inslot 15, through having set up spring 16 for outer circle clamp cover 8 remove behind the tapering connection between taper block 9 to the right removal, the internal diameter that outer circle clamp cover 8 can carry out quick reset through spring 16, makes things convenient for steel pipe 4 to draw after accomplishing, and outer circle clamp cover 8 loosens steel pipe 4 when moving to the right owing to the reaction force, makes things convenient for taking out to the steel pipe.
The utility model is further provided with: the guiding assembly comprises a core rod 17 fixedly connected with the drawing trolley 5, a placing hole 18 is formed in the pushing block 7, the core rod 17 is located in the placing hole 18, the core rod 17 penetrates through the outer circular jacket 8 and extends out of the conical block 9, the left end of the core rod 17 is in conical arrangement, the outer surface of the core rod 17 and the inner surface of the outer circular jacket 8 are arranged at intervals, the core rod 17 is arranged, the left end of the core rod 17 is in conical arrangement, and the steel pipe 4 can be guided through the conical shape of the left end of the core rod 17 when being inserted between the core rod 17 and the outer circular jacket 8, so that the steel pipe 4 can be conveniently and rapidly inserted between the core rod 17 and the outer circular jacket 8 to be clamped.
The utility model is further provided with: the mandrel 17 is detachably connected with the drawing trolley 5 through threads, and the outer circle jacket 8 and the mandrel 17 with different specifications are conveniently replaced according to the specifications of different steel pipes 4 through the detachable connection, so that the application range is improved.
The above description is merely of preferred embodiments of the present utility model, and the present utility model is not limited to the above embodiments, and any modifications, adaptations or equivalent substitutions made by those skilled in the art based on the above description fall within the scope of the present utility model.
Claims (7)
1. The utility model provides a draw trolley for reducing head-making steel pipes, includes frame (1), fixed exit tube frame (2) that set up on frame (1), cold drawing external mold (3) and steel pipe (4) that are located cold drawing external mold (3) that set up in exit tube frame (2), its characterized in that: be equipped with on frame (1) and draw dolly (5), be equipped with track (6) on frame (1), draw dolly (5) through drive assembly activity about and set up on track (6), draw dolly (5) go up the activity and be equipped with propulsion piece (7), be equipped with on drawing dolly (5) and carry out the direction subassembly to steel pipe (4) when steel pipe (4) are inserted, propulsion piece (7) impels through propulsion piece, the left side conflict of propulsion piece (7) is connected with outer circle jacket (8), the front side of drawing dolly (5) has awl piece (9), link up on awl piece (9) and offered taper hole (10), the excircle that the excircle was pressed from both sides jacket (8) has the tapering, the excircle that the excircle pressed from both sides jacket (8) cooperates with taper hole (10) and sets up.
2. A reduced diameter headed steel tube drawing trolley as defined in claim 1, wherein: the pushing assembly comprises a pre-tightening oil cylinder (11) fixedly arranged on the drawing trolley (5), a movable block (12) is fixedly arranged on the circumference of the pushing block (7), a movable groove (13) used for enabling the movable block (12) to move is formed in the pre-tightening oil cylinder (11), and the pushing block (7) is pushed through the pre-tightening oil cylinder (11).
3. A reduced diameter headed steel tube drawing trolley as defined in claim 2, wherein: the driving assembly comprises a main oil cylinder (14) arranged at the right end of the frame (1), and a piston rod of the main oil cylinder (14) is fixedly connected with the drawing trolley (5).
4. A reduced diameter headed steel tube drawing trolley as defined in claim 3 wherein: the outer circular jacket (8) is at least provided with two through grooves (15) in a penetrating mode, the through grooves (15) divide the outer circular jacket (8) into at least two jacket blocks, and the jacket blocks are connected with the other jacket block through an elastic assembly.
5. A reduced diameter headed steel tube drawing trolley as defined in claim 4 wherein: the elastic assembly comprises a spring (16), the spring (16) is fixedly connected with the jacket block and the other jacket block, and the spring (16) is positioned in the through groove (15).
6. A reduced diameter headed steel tube drawing trolley as defined in claim 5 wherein: the guide assembly comprises a core rod (17) fixedly connected with the drawing trolley (5), a placement hole (18) is formed in the pushing block (7), the core rod (17) is located in the placement hole (18), the core rod (17) penetrates through the outer circular jacket (8) and extends out of the conical block (9) to be arranged, the left end of the core rod (17) is arranged in a conical mode, and the outer surface of the core rod (17) is arranged at intervals with the inner surface of the outer circular jacket (8).
7. A reduced diameter headed steel tube drawing trolley as defined in claim 6 wherein: the core rod (17) is detachably connected with the drawing trolley (5) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223121530.0U CN218945950U (en) | 2022-11-22 | 2022-11-22 | Draw trolley for reducing head-making steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223121530.0U CN218945950U (en) | 2022-11-22 | 2022-11-22 | Draw trolley for reducing head-making steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218945950U true CN218945950U (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223121530.0U Active CN218945950U (en) | 2022-11-22 | 2022-11-22 | Draw trolley for reducing head-making steel pipe |
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| CN (1) | CN218945950U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117548513A (en) * | 2023-12-01 | 2024-02-13 | 无锡广兴东茂科技有限公司 | Special-shaped steel drawing device and drawing method |
-
2022
- 2022-11-22 CN CN202223121530.0U patent/CN218945950U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117548513A (en) * | 2023-12-01 | 2024-02-13 | 无锡广兴东茂科技有限公司 | Special-shaped steel drawing device and drawing method |
| CN117548513B (en) * | 2023-12-01 | 2024-05-07 | 无锡广兴东茂科技有限公司 | Special-shaped steel drawing device and drawing method |
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