CN220880171U - Stroke increasing device of hole drawing machine - Google Patents
Stroke increasing device of hole drawing machine Download PDFInfo
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- CN220880171U CN220880171U CN202322366333.3U CN202322366333U CN220880171U CN 220880171 U CN220880171 U CN 220880171U CN 202322366333 U CN202322366333 U CN 202322366333U CN 220880171 U CN220880171 U CN 220880171U
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- 230000007246 mechanism Effects 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 238000009420 retrofitting Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 238000004080 punching Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a travel increasing device of a hole drawing machine, which comprises: the device comprises an extension seat, an outer sleeve rod fixing assembly, an inner rod connecting assembly and a driver mounting seat. The outer sleeve rod fixing assembly comprises a fixing seat, an outer sleeve rod connecting portion and a connecting portion fixing structure, the fixing seat is fixedly arranged on the lengthening seat, the fixing seat is provided with a first loading position, and the connecting portion fixing structure is used for fixing the outer sleeve rod connecting portion to the fixing seat. The inner rod connecting assembly comprises a movable seat, an inner rod connecting part and a connecting part positioning structure, the movable seat is arranged on the lengthened seat and can move back and forth, the movable seat is located at the rear side of the fixed seat, the movable seat is provided with a driver connecting part and a second loading position, the second loading position is opposite to the first loading position in front-back, and the connecting part positioning structure is used for positioning the inner rod connecting part on the movable seat. The driver mounting seat is arranged on the lengthening seat, and is provided with a driver mounting structure. The stroke lengthening device can be used for retrofitting the existing hole pulling machine to increase the processing stroke.
Description
Technical Field
The utility model relates to a hole drawing machine, in particular to a stroke lengthening device of the hole drawing machine.
Background
The hole drawing machine is used for drawing holes on the pipe wall of the copper pipe, the core hole drawing mechanism part mainly comprises an outer sleeve rod, an inner rod, a punching head, a hole drawing die head and an inner rod driver, the outer sleeve pipe is fixed relative to a machine base of the hole drawing machine, the inner rod is inserted into the outer sleeve rod and can move back and forth relative to the outer sleeve rod, the hole drawing die head is arranged at the front ends of the outer sleeve rod and the inner rod, the punching head is arranged at the front end of the outer sleeve rod and corresponds to the hole drawing die head, the inner rod driver is arranged at the rear end of the machine base and is connected with the inner rod, and the inner rod driver is used for driving the inner rod to move back and forth. When the hole is pulled out, the copper pipe is sleeved on the outer sleeve rod, the inner rod is driven by the inner rod driver to move forwards, the linkage punching head punches outwards in the radial direction in the copper pipe when the inner rod moves forwards, and the copper pipe wall forms a stretching hole under the forming action of the punching head and the hole pulling die head. The hole drawing machine has a specified stroke, can only process copper pipes within a stroke range, and can only purchase hole drawing machines with larger strokes for copper pipes beyond the stroke, and the cost is high.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a stroke lengthening device of a hole drawing machine, which can be used for refitting the existing hole drawing machine, increasing the processing stroke of the hole drawing machine, and has simple structure and easy operation.
According to an embodiment of the utility model, a stroke lengthening device of a hole drawing machine comprises: a lengthening seat; the outer sleeve rod fixing assembly comprises a fixing seat, an outer sleeve rod connecting part and a connecting part fixing structure, wherein the fixing seat is fixedly arranged on the lengthened seat, the fixing seat is provided with a first loading position, the outer sleeve rod connecting part is suitable for being mounted at the first loading position, and the connecting part fixing structure is used for fixing the outer sleeve rod connecting part to the fixing seat; the inner rod connecting assembly comprises a movable seat, an inner rod connecting part and a connecting part positioning structure, wherein the movable seat is movably arranged on the lengthened seat and can move forwards and backwards, the movable seat is positioned at the rear side of the fixed seat, the movable seat is provided with a driver connecting part and a second loading position, the inner rod connecting part is suitable for being mounted at the second loading position, the first loading position and the second loading position are opposite forwards and backwards, and the connecting part positioning structure is used for positioning the inner rod connecting part forwards and backwards on the movable seat so that the inner rod connecting part can move forwards and backwards together with the movable seat; the driver mounting seat is arranged on the lengthened seat and positioned on the rear side of the movable seat, and is provided with a driver mounting structure.
The stroke increasing device of the hole pulling machine provided by the embodiment of the utility model has at least the following beneficial effects: when the stroke of the hole drawing machine needs to be increased, components of the rear end of the hole drawing machine, which are used for supporting and driving the outer sleeve rod and the inner rod, are removed, the lengthened seat is fixed at the rear end of the machine seat of the hole drawing machine, the outer sleeve rod of the hole drawing machine is fixed with the connecting part of the outer sleeve rod, the connecting part of the outer sleeve rod is installed at a first loading position and is locked on the fixed seat through the connecting part fixing structure, the inner rod of the hole drawing machine is fixed with the connecting part of the inner rod, the connecting part of the inner rod is installed at a second loading position and is positioned on the movable seat through the connecting part positioning structure, and finally the inner rod driver for driving the inner rod to act is installed on the driver installation seat through the driver installation structure and is connected with the driver connecting part of the movable seat, so that the stroke lengthening operation is completed. The movable seat can be driven to move back and forth through the inner rod driver, so that the inner rod is driven to move back and forth relative to the outer sleeve rod, and the hole pulling function of the hole pulling machine is realized. The stroke lengthening device can lengthen the stroke of the hole drawing machine, is simple to operate, and mainly changes the structure of the rear end side of the hole drawing machine, and has less change workload, thereby avoiding the trouble of purchasing the hole drawing machine again.
According to some embodiments of the present utility model, the first loading position is a first groove formed in the fixing seat, the first groove is a through groove extending front and back, a notch of the first groove is upward, and the outer sleeve rod connecting part can be loaded into or disengaged from the first groove through a notch of the first groove; the second loading position is a second groove formed in the movable seat, the notch of the second groove is upward, and the inner rod connecting part can be loaded into or separated from the second groove through the notch of the second groove.
According to some embodiments of the utility model, the connecting portion fixing structure comprises a front nut member and a rear nut member, the outer sleeve rod connecting portion is provided with an external thread, the axis of the external thread is arranged front and back, the front nut member and the rear nut member are in threaded connection with the outer sleeve rod connecting portion, and the front nut member and the rear nut member are used for clamping the fixing seat front and back.
According to some embodiments of the utility model, the movable seat is provided with a left insert block and a right insert block, the left insert block and the right insert block are enclosed to form the second groove, the positioning structure of the connecting part is a positioning clamping groove arranged on the peripheral surface of the connecting part of the inner rod, the positioning clamping groove is a vertical through groove and is provided with a front side wall and a rear side wall, and the two positioning clamping grooves are arranged and are correspondingly matched with the left insert block and the right insert block one by one.
According to some embodiments of the utility model, the lengthened seat is provided with a positioning guide rod, the positioning guide rod is arranged back and forth, the movable seat and the fixed seat are arranged on the positioning guide rod in a sliding manner, and the fixed seat is provided with a guide rod fixing structure for fixing the fixed seat on the positioning guide rod.
According to some embodiments of the utility model, the guide rod fixing structure comprises an upper clamping block, a lower clamping block and a fastening screw, wherein a sliding connection hole is formed by surrounding the upper clamping block and the lower clamping block, the positioning guide rod is arranged in the sliding connection hole in a sliding mode, the fastening screw is arranged in the upper clamping block in a penetrating mode and is connected with the lower clamping block in a threaded mode, and when the fastening screw is screwed or loosened, the upper clamping block and the lower clamping block can clamp or loosen the positioning guide rod.
According to some embodiments of the utility model, the extension socket is provided with a front-to-back adjustment mechanism that can adjust the front-to-back position of the fixing base on the positioning guide rod.
According to some embodiments of the utility model, the front-rear adjusting mechanism is an adjusting screw, the lengthened seat is provided with a screw seat, the screw seat is provided with a through hole, the fixing seat is provided with an adjusting screw hole arranged front and rear of a hole axis, the adjusting screw is arranged through the through hole and is in threaded connection with the adjusting screw hole, the adjusting screw is provided with a nut part, and the nut part can be abutted against one side of the screw seat away from the fixing seat.
According to some embodiments of the utility model, the front end of the lengthening seat is connected with a fixing plate set, the fixing plate set comprises an upper fixing plate, a left fixing plate and a right fixing plate, the rear sides of the upper fixing plate, the left fixing plate and the right fixing plate are fixed on the lengthening seat, the front sides of the upper fixing plate, the left fixing plate and the right fixing plate are combined to form a seat adapting position, and front mounting holes are formed in the front sides of the upper fixing plate, the left fixing plate and the right fixing plate.
According to some embodiments of the utility model, two positioning guide rods are arranged side by side along the left-right direction, and two groups of guide rod fixing structures are correspondingly arranged.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic perspective view of an embodiment of the present utility model;
FIG. 2 is an exploded view of an embodiment of the present utility model;
FIG. 3 is a second perspective view of an embodiment of the present utility model;
FIG. 4 is an enlarged schematic view of FIG. 3 at A;
fig. 5 is an enlarged schematic view at B of fig. 3.
Reference numerals:
An outer sleeve rod 1, an inner rod 2, and an inner rod driver 3;
an extension base 100, a positioning guide rod 110, a front-rear adjusting mechanism 120, a screw base 130;
The fixing device comprises an outer sleeve rod fixing assembly 200, a fixing seat 210, an outer sleeve rod connecting part 220, a connecting part fixing structure 230, a first loading position 211, an upper clamping block 212, a lower clamping block 213, a fastening screw 214, a front nut member 231 and a rear nut member 232;
The inner rod connecting assembly 300, the movable seat 310, the inner rod connecting part 320, the connecting part positioning structure 330, the second loading position 311, the left insert block 312 and the right insert block 313;
a drive mount 400, a drive mounting structure 410;
Fixing plate set 500, upper fixing plate 510, left fixing plate 520, right fixing plate 530, front mounting hole 540, rear mounting hole 550
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 to 5, a stroke lengthening device of a hole drawing machine includes: the extension socket 100, the outer stem fixing assembly 200, the inner stem connecting assembly 300, and the driver mount 400. The jacket pole fixing assembly 200 includes a fixing base 210, a jacket pole connecting portion 220, and a connecting portion fixing structure 230, wherein the fixing base 210 is fixedly disposed on the extension base 100, the fixing base 210 is provided with a first mounting position 211, the jacket pole connecting portion 220 is adapted to be mounted on the first mounting position 211, and the connecting portion fixing structure 230 is used for fixing the jacket pole connecting portion 220 on the fixing base 210. The inner rod connecting assembly 300 comprises a movable seat 310, an inner rod connecting portion 320 and a connecting portion positioning structure 330, wherein the movable seat 310 is movably arranged on the elongated seat 100 and can move back and forth, the movable seat 310 is positioned at the rear side of the fixed seat 210, the movable seat 310 is provided with a driver connecting portion and a second loading position 311, the inner rod connecting portion 320 is suitable for being mounted at the second loading position 311, the first loading position 211 and the second loading position 311 are opposite to each other in front and back, and the connecting portion positioning structure 330 is used for positioning the inner rod connecting portion 320 back and forth on the movable seat 310 so that the inner rod connecting portion 320 can move back and forth together with the movable seat 310. The driver mount 400 is provided to the extension socket 100 at the rear side of the moving socket 310, and the driver mount 400 is provided with a driver mounting structure 410.
When the stroke of the hole drawing machine needs to be increased, the components of the hole drawing machine, which are used for supporting and driving the outer sleeve rod 1 and the inner rod 2, are removed, the lengthened seat 100 is fixed at the rear end of the machine seat of the hole drawing machine, the outer sleeve rod 1 and the outer sleeve rod connecting part 220 of the hole drawing machine are fixed, the outer sleeve rod connecting part 220 is installed at the first installation position 211 and locked to the fixed seat 210 through the connecting part fixing structure 230, the inner rod 2 and the inner rod connecting part 320 of the hole drawing machine are fixed, the inner rod connecting part 320 is installed at the second installation position 311 and positioned at the movable seat 310 through the connecting part positioning structure 330, and finally the inner rod driver 3 used for driving the inner rod 2 to act is installed at the driver installation seat 400 through the driver installation structure 410 and connected with the driver connecting part of the movable seat 310, so that the stroke lengthening operation is completed. The movable seat 310 can be driven to move back and forth through the inner rod driver 3, so that the inner rod 2 is driven to move back and forth relative to the outer sleeve rod 1, and the hole drawing function of the hole drawing machine is realized. The stroke lengthening device can lengthen the stroke of the hole drawing machine, is simple to operate, and mainly changes the structure of the rear end side of the hole drawing machine, and has less change workload, thereby avoiding the trouble of purchasing the hole drawing machine again.
In an embodiment, the outer and inner rod connection parts 220 and 320 may be connected to the outer and inner rods 1 and 2 by welding, plugging, keying, screwing, fastening, etc., and may be selected according to the actual circumstances by those skilled in the art.
In an embodiment, the driver mounting structure 410 is a number of mounting holes open to the driver mount 400 through which the inner rod driver 3 may be mounted to the driver mount 400. Of course, it is envisioned that the drive mounting structure 410 is not limited to mounting holes, for example, it may also be a card slot or the like. In an embodiment, the driver attachment portion of the mobile seat 310 is specifically a mounting screw hole through which the actuating member of the inner rod driver 3 may be attached directly or by some fasteners. Of course, it is envisioned that the actuator connection of the mobile station 310 could be other structures, such as a connection shaft, flange, etc.
In the embodiment, the first loading position 211 is a first groove formed in the fixing base 210, the first groove is a through groove extending front and back, a notch of the first groove is upward, and the outer sleeve rod connecting part 220 can be loaded into or separated from the first groove through the notch of the first groove; the second loading position 311 is a second groove formed in the movable seat 310, a notch of the second groove is upward, and the inner rod connecting portion 320 can be loaded into or released from the second groove through the notch of the second groove. With the above structure, since the outer sleeve rod connecting part 220 and the inner rod connecting part 320 can be assembled and disassembled up and down, the assembly and disassembly of the outer sleeve rod 1 and the inner rod 2 are simple and convenient.
In an embodiment, the connection part fixing structure 230 includes a front nut member 231 and a rear nut member 232, the outer sleeve rod connection part 220 is provided with external threads, axes of the external threads are disposed front and back, the front nut member 231 and the rear nut member 232 are screw-coupled to the outer sleeve rod connection part 220, and the front nut member 231 and the rear nut member 232 are used to clamp the fixing base 210 front and back. When the outer sleeve rod connecting part 220 is required to be fixed on the fixing seat 210, the front nut member 231 and the rear nut member 232 are screwed, so that the fixing seat 210 can be clamped to realize fixation, and the installation is convenient; when the front nut 231 and the rear nut 232 are disassembled, the front nut is unscrewed, and the operation is convenient. Of course, it is conceivable that the connecting portion fixing structure 230 is not limited to the above embodiment, and for example, it may also employ a screw by which the outer sleeve rod connecting portion 220 is fixed to the fixing base 210.
In the embodiment, the movable seat 310 is provided with a left insert block 312 and a right insert block 313, the left insert block 312 and the right insert block 313 are enclosed to form a second groove, the connecting portion positioning structure 330 is a positioning slot arranged on the peripheral surface of the inner rod connecting portion 320, the positioning slot is a vertical through slot and is provided with a front side wall and a rear side wall, and the two positioning slots are arranged and are correspondingly matched with the left insert block 312 and the right insert block 313 one by one. When the inner rod connecting portion 320 is inserted into the second groove, the two positioning slots are aligned with the left insert block 312 and the right insert block 313, so that the left insert block 312 and the right insert block 313 are inserted into the corresponding positioning slots, and the front and rear positions of the movable base 310 and the inner rod connecting portion 320 can be positioned due to the front and rear side walls of the positioning slots, so that the movable base 310 can drive the inner rod connecting portion 320 to move back and forth. Of course, it is conceivable that the connecting portion positioning structure 330 is not limited to the above-mentioned structure, and for example, the inner rod connecting portion 320 may be clamped and fixed to the movable base 310 by some clamping and fixing mechanism, so as to achieve the front-rear positioning.
In the embodiment, the extension base 100 is provided with a positioning guide 110, the positioning guide 110 is disposed back and forth, the movable base 310 and the fixed base 210 are slidably disposed on the positioning guide 110, and the fixed base 210 is provided with a guide fixing structure for fixing the fixed base 210 to the positioning guide 110. The movable seat 310 is slidably disposed on the positioning guide 110, so that the front and back movement can be realized, and the fixed seat 210 is also slidably disposed on the positioning guide 110, so that the centering accuracy of the fixed seat 210 and the movable seat 310 can be ensured, and the overall structure can be simplified. After the fixing base 210 is installed on the positioning guide rod 110, the fixing base is fixed by the guide rod fixing structure, so that the sliding along the positioning guide rod 110 can be avoided.
In an embodiment, the guide rod fixing structure includes an upper clamping block 212, a lower clamping block 213 and a fastening screw 214, the upper clamping block 212 and the lower clamping block 213 enclose to form a sliding connection hole, the positioning guide rod 110 is slidably arranged in the sliding connection hole, the fastening screw 214 is arranged in the upper clamping block 212 in a penetrating manner and is in threaded connection with the lower clamping block 213, and when the fastening screw 214 is screwed or loosened, the upper clamping block 212 and the lower clamping block 213 can clamp or loosen the positioning guide rod 110. The guide rod fixing structure is simple in structure, easy to implement and firm in fixation. It is conceivable that the guide fixing structure is not limited to the above structure, for example, the guide fixing structure may be a screw, the fixing base 210 is provided with a threaded hole, the threaded hole penetrates to one side of the positioning guide 110, the screw is screwed to the threaded hole, and the screw is tightly pressed against the positioning guide 110 during fastening, so as to achieve fixing.
In an embodiment, the extension socket 100 is provided with a front-rear adjustment mechanism 120, and the front-rear adjustment mechanism 120 can adjust the front-rear position of the fixing base 210 on the positioning guide 110. The front and rear positions of the fixing base 210 can be adjusted according to the requirement by the front and rear adjusting mechanism 120, so that the adjustment and the use are convenient.
In the embodiment, the front-rear adjusting mechanism 120 is an adjusting screw, the extension seat 100 is provided with a screw seat 130, the screw seat 130 is provided with a through hole, the fixing seat 210 is provided with an adjusting screw hole arranged front and rear of the hole axis, the adjusting screw is arranged through the through hole and is in threaded connection with the adjusting screw hole, the adjusting screw is provided with a nut part, and the nut part can be abutted against one side, away from the fixing seat 210, of the screw seat 130. When the front and rear positions of the fixing base 210 are adjusted, the fixing effect of the guide rod fixing structure is released, and the adjusting screw is rotated to drive the fixing base 210 to move back and forth on the positioning guide rod 110, so that the position is adjusted. The front-rear adjusting mechanism 120 adopts an adjusting screw, and the mode of thread adjustment has high precision and stable positioning.
In the embodiment, the adjusting screw is connected with a locknut in a threaded manner, the locknut and the nut part of the adjusting screw are respectively located on the front side and the rear side of the screw seat 130, and the locknut can be screwed on the screw seat 130 to play a role in locking.
In an embodiment, the front end of the extension seat 100 is connected with a fixing plate set 500, where the fixing plate set 500 includes an upper fixing plate 510, a left fixing plate 520 and a right fixing plate 530, the rear sides of the upper fixing plate 510, the left fixing plate 520 and the right fixing plate 530 are fixed to the extension seat 100, and the front sides of the upper fixing plate 510, the left fixing plate 520 and the right fixing plate 530 are combined to form a seat adapting position, and front mounting holes 540 are formed on the front sides of the upper fixing plate 510, the left fixing plate 520 and the right fixing plate 530. When the extension seat 100 is fixed on the frame of the hole drawing machine, the rear end of the frame can be inserted into the frame fitting position formed among the upper fixing plate 510, the left fixing plate 520 and the right fixing plate 530, the frame is provided with screw holes corresponding to the front mounting holes 540 in advance, and then the upper fixing plate 510, the left fixing plate 520 and the right fixing plate 530 can be fixed on the frame of the hole drawing machine through screws. The lengthened seat 100 is fixed on the base of the hole pulling machine by adopting the structure, and the structure is simple, easy to implement and firm in fixation. Of course, it is conceivable that the extension socket 100 is not limited to the above-described structure for fixing to the stand of the hole extractor, and for example, the extension socket 100 may be fixed to the stand of the hole extractor by fixing means such as direct welding.
In the embodiment, rear mounting holes 550 are formed at rear sides of the upper, left and right fixing plates 510, 520 and 530, and the extension base 100 is provided with screw holes corresponding to the rear mounting holes 550, so that the upper, left and right fixing plates 510, 520 and 530 can be fixed to the extension base 100. Of course, it is conceivable that the upper fixing plate 510, the left fixing plate 520, and the right fixing plate 530 may be fixed to the extension socket 100 by, for example, welding. In an embodiment, the front mounting holes 540 and the rear mounting holes 550 are bar holes so that screw tightening can be facilitated.
In the embodiment, two positioning guide rods 110 are provided, the two positioning guide rods 110 are arranged side by side along the left-right direction, and two groups of guide rod fixing structures are correspondingly provided. Two positioning guide rods 110 are arranged, and the positioning guide effect is better.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (10)
1. A stroke lengthening device for a hole pulling machine, comprising:
an extension seat (100);
The outer sleeve rod fixing assembly (200) comprises a fixing base (210), an outer sleeve rod connecting part (220) and a connecting part fixing structure (230), wherein the fixing base (210) is fixedly arranged on the lengthened seat (100), the fixing base (210) is provided with a first loading position (211), the outer sleeve rod connecting part (220) is suitable for being mounted on the first loading position (211), and the connecting part fixing structure (230) is used for fixing the outer sleeve rod connecting part (220) on the fixing base (210);
The inner rod connecting assembly (300) comprises a movable seat (310), an inner rod connecting part (320) and a connecting part positioning structure (330), wherein the movable seat (310) is movably arranged on the lengthened seat (100) and can move back and forth, the movable seat (310) is positioned at the rear side of the fixed seat (210), the movable seat (310) is provided with a driver connecting part and a second loading position (311), the inner rod connecting part (320) is suitable for being mounted at the second loading position (311), the first loading position (211) and the second loading position (311) are opposite to each other back and forth, and the connecting part positioning structure (330) is used for positioning the inner rod connecting part (320) back and forth on the movable seat (310) so that the inner rod connecting part (320) can move back and forth together with the movable seat (310);
And a driver mounting seat (400) arranged on the lengthened seat (100) and positioned at the rear side of the movable seat (310), wherein the driver mounting seat (400) is provided with a driver mounting structure (410).
2. The stroke lengthening device of a hole pulling machine as recited in claim 1, wherein: the first loading position (211) is a first groove formed in the fixing seat (210), the first groove is a through groove extending front and back, the notch of the first groove is upward, and the outer sleeve rod connecting part (220) can be loaded into or separated from the first groove through the notch of the first groove; the second loading position (311) is a second groove formed in the movable seat (310), the notch of the second groove is upward, and the inner rod connecting part (320) can be loaded into or separated from the second groove through the notch of the second groove.
3. The stroke lengthening device of a hole pulling machine as recited in claim 2, wherein: the connecting portion fixing structure (230) comprises a front nut piece (231) and a rear nut piece (232), the outer sleeve rod connecting portion (220) is provided with external threads, the axes of the external threads are arranged front and back, the front nut piece (231) and the rear nut piece (232) are in threaded connection with the outer sleeve rod connecting portion (220), and the front nut piece (231) and the rear nut piece (232) are used for clamping the fixing seat (210) front and back.
4. The stroke lengthening device of a hole pulling machine as recited in claim 2, wherein: the movable seat (310) is provided with a left inserting block (312) and a right inserting block (313), the left inserting block (312) and the right inserting block (313) are enclosed to form the second groove, the connecting part positioning structure (330) is a positioning clamping groove arranged on the peripheral surface of the inner rod connecting part (320), the positioning clamping groove is a vertical through groove and is provided with a front side wall and a rear side wall, and the two positioning clamping grooves are in one-to-one correspondence with the left inserting block (312) and the right inserting block (313).
5. The stroke lengthening device of a hole pulling machine as recited in claim 1, wherein: the lengthening seat (100) is provided with a positioning guide rod (110), the positioning guide rod (110) is arranged front and back, the movable seat (310) and the fixed seat (210) are slidably arranged on the positioning guide rod (110), and the fixed seat (210) is provided with a guide rod fixing structure for fixing the fixed seat (210) on the positioning guide rod (110).
6. The stroke lengthening device of a hole pulling machine as recited in claim 5, wherein: the guide rod fixing structure comprises an upper clamping block (212), a lower clamping block (213) and a fastening screw (214), wherein the upper clamping block (212) and the lower clamping block (213) are enclosed to form a sliding connection hole, the positioning guide rod (110) is arranged in the sliding connection hole in a sliding mode, the fastening screw (214) is arranged in the upper clamping block (212) in a penetrating mode and is connected with the lower clamping block (213) in a threaded mode, and when the fastening screw (214) is screwed or loosened, the upper clamping block (212) and the lower clamping block (213) can clamp or loosen the positioning guide rod (110).
7. The stroke lengthening device of a hole pulling machine as recited in claim 5, wherein: the lengthening seat (100) is provided with a front-back adjusting mechanism (120), and the front-back adjusting mechanism (120) can adjust the front-back position of the fixing seat (210) on the positioning guide rod (110).
8. The stroke lengthening device of a hole pulling machine as recited in claim 7, wherein: the front-back adjusting mechanism (120) is an adjusting screw, the lengthening seat (100) is provided with a screw seat (130), the screw seat (130) is provided with a perforation, the fixing seat (210) is provided with an adjusting screw hole which is arranged front and back of a hole axis, the adjusting screw penetrates through the perforation and is in threaded connection with the adjusting screw hole, the adjusting screw is provided with a nut part, and the nut part can be abutted to one side, away from the fixing seat (210), of the screw seat (130).
9. The stroke lengthening device of a hole pulling machine as recited in claim 1, wherein: the front end of extension seat (100) is connected with fixed plate group (500), fixed plate group (500) are including last fixed plate (510), left fixed plate (520) and right fixed plate (530), go up fixed plate (510) left fixed plate (520) and right fixed plate (530) the rear side be fixed in extension seat (100), go up fixed plate (510) left fixed plate (520) and right fixed plate (530) the preceding side of side close and form frame adaptation position, go up fixed plate (510) left fixed plate (520) and front side of right fixed plate (530) has seted up preceding mounting hole (540).
10. The stroke lengthening device of a hole pulling machine as recited in claim 5, wherein: the two positioning guide rods (110) are arranged side by side along the left-right direction, and the two groups of guide rod fixing structures are correspondingly arranged.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322366333.3U CN220880171U (en) | 2023-08-31 | 2023-08-31 | Stroke increasing device of hole drawing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322366333.3U CN220880171U (en) | 2023-08-31 | 2023-08-31 | Stroke increasing device of hole drawing machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220880171U true CN220880171U (en) | 2024-05-03 |
Family
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Family Applications (1)
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CN202322366333.3U Active CN220880171U (en) | 2023-08-31 | 2023-08-31 | Stroke increasing device of hole drawing machine |
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