CN219684632U - Workpiece positioning device for numerical control milling machine - Google Patents
Workpiece positioning device for numerical control milling machine Download PDFInfo
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- CN219684632U CN219684632U CN202320040302.6U CN202320040302U CN219684632U CN 219684632 U CN219684632 U CN 219684632U CN 202320040302 U CN202320040302 U CN 202320040302U CN 219684632 U CN219684632 U CN 219684632U
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- positioning
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- movable seat
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- rail
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- 238000003801 milling Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model provides a workpiece positioning device for a numerical control milling machine, which relates to the technical field of milling machines and comprises a positioning frame, a track seat and a positioning track rod, wherein the track seat is fixed at the lower end of the positioning frame; the front end of the track seat is provided with a movable seat, and a crank is fixed between the upper end of the movable seat and the sliding plate; the utility model has the beneficial effects that: the positioning device ensures the displacement precision of the positioning activity of the slide plate according to the positioning of the positioning rail rod, the positioning shaft tube and the push rod shaft, and further limits the activity track and precision of the movable seat by utilizing the arrangement of the crank and the inner rail, thereby ensuring the displacement precision of the positioning device during activity.
Description
Technical Field
The utility model relates to the technical field of milling machines, in particular to a workpiece positioning device for a numerical control milling machine.
Background
In various mechanical processing, workpiece positioning is an indispensable processing step, and non-rigid workpieces with larger lengths such as columns, pipes and liners cannot be fixed by using a conventional strong clamping structure.
Prior art publication No. CN216966999U provides a work piece positioner of triaxial numerically controlled fraise machine processing, comprising a base plate, equal threaded connection in the middle part of the fixed plate has first threaded rod, the inboard one end of first threaded rod is all rotated and is connected with the push pedal, the equal fixedly connected with second threaded rod of double-end motor drive end, the equal threaded connection of second threaded rod external diameter has the movable block, the equal fixedly connected with clamp plate in movable block top, through being provided with the spout, the double-end motor, second threaded rod, movable block and clamp plate, double-end motor control second threaded rod rotates, drive movable block and clamp plate back-and-forth movement, thereby press from both sides tightly to wait the machined part, through being provided with the fixed plate, first threaded rod, push pedal and carousel, rotate first threaded rod drive push pedal and control, thereby support to wait the machined part, make to wait for the machined part fully fix, work piece positioning accuracy has been improved, however, this positioner actual positioning mainly relies on the braking realization of double-end motor to realize with the drive control of push pedal, carry out single-rod support on the clamp structure through the threaded rod, its clamp positioning structure has the allowance of deviation in the rigid contact in-process, easily clamp positioning accuracy is limited.
Disclosure of Invention
Aiming at the technical problems in the prior art, the workpiece positioning device for the numerical control milling machine is provided.
The aim and the effect of the utility model are achieved by the following specific technical means:
the workpiece positioning device for the numerical control milling machine comprises a positioning frame, a track seat and a positioning track rod, wherein the track seat is fixed at the lower end of the positioning frame, the positioning track rod transversely penetrates through the middle of the positioning frame, a fixed shaft tube is sleeved between the positioning track rod and the positioning frame, the other end of the positioning track rod is rotationally connected with a bearing head, a push rod shaft is arranged between the positioning track rod and the bearing head in a penetrating manner, and a sliding disc is arranged between the push rod shaft and the bearing head;
the front end of the track seat is provided with a movable seat, a crank is fixed between the upper end of the movable seat and the sliding plate, and an inner rail is arranged between the movable seat and the track seat.
Further preferred embodiments are as follows: the locating rack is internally provided with a screw pipe fitting, the left side of the locating rack is fixedly provided with a locating motor, and a transmission shaft is connected between the locating motor and the screw pipe fitting in a transmission way.
Further preferred embodiments are as follows: the push rod shaft is in sliding connection with the positioning rail rod, the push rod shaft is in rotary connection with the screw pipe piece, and the push rod shaft is fixed with the sliding disc.
Further preferred embodiments are as follows: the movable seat bottom is fixed with the connector, the connector is the bolt connecting piece.
Further preferred embodiments are as follows: the movable seat is inserted with a laser head which is relatively parallel to the track seat, and the laser head is an infrared sensor.
Further preferred embodiments are as follows: the movable seat is in sliding connection with the track seat through an inner rail, and the inner rail is relatively parallel to the positioning rail rod.
Compared with the prior art, the utility model has the beneficial effects that:
the workpiece positioning device comprises a positioning shaft rod, a positioning motor, a positioning rail rod, a positioning shaft rod, a sliding disc, a crank, a movable seat, a positioning device and a positioning device.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the overall internal structure of the present utility model;
fig. 3 is a schematic side view of the internal structure of the movable seat of the present utility model.
The marks in the figure: 1-a positioning frame; 2-a track seat; 3-positioning rail rods; 4-a movable seat; 5-centering tube; 6-a slide plate; 7-positioning a motor; 8-bearing head; 9-crank; 10-laser head; 11-a push rod shaft; 12-a screw member; 13-a transmission shaft; 14-connecting heads; 15-inner rail.
Detailed Description
Referring to fig. 1-3, embodiments of the present utility model are further described;
the workpiece positioning device for the numerical control milling machine comprises a positioning frame 1, a track seat 2 and a positioning track rod 3, wherein the track seat 2 is fixed at the lower end of the positioning frame 1, the positioning track rod 3 transversely penetrates through the middle part of the positioning frame 1, a fixed shaft tube 5 is sleeved between the positioning track rod 3 and the positioning frame 1, the other end of the positioning track rod 3 is rotationally connected with a bearing head 8, a push rod shaft 11 is penetrated between the positioning track rod 3 and the bearing head 8, and a slide plate 6 is arranged between the push rod shaft 11 and the bearing head 8;
the front end of the track seat 2 is provided with a movable seat 4, a crank 9 is fixed between the upper end of the movable seat 4 and the sliding plate 6, and an inner rail 15 is arranged between the movable seat 4 and the track seat 2;
specifically, a screw pipe fitting 12 is arranged in the positioning frame 1, a positioning motor 7 is fixed on the left side of the positioning frame 1, a transmission shaft 13 is in transmission connection between the positioning motor 7 and the screw pipe fitting 12, a push rod shaft 11 is in sliding connection with a positioning rail rod 3, the push rod shaft 11 is in rotary connection with the screw pipe fitting 12, the push rod shaft 11 is fixed with a sliding disc 6, threads matched with the transmission shaft 13 and the push rod shaft 11 are formed on the inner wall of the screw pipe fitting 12, a connector 14 is fixed at the bottom end of the movable seat 4, the connector 14 is a bolt connecting piece, as shown in fig. 2, the positioning device drives the transmission shaft 13 through the braking of the positioning motor 7, drives the screw pipe fitting 12 to relatively rotate in the positioning frame 1 through the transmission shaft 13, the push rod shaft 11 is pushed in a spiral manner through the rotation of the screw pipe fitting 12, the push rod shaft 11 is enabled to transversely translate along the positioning rail rod 3 and the fixed shaft 5, along the bearing head 8 is driven by the sliding disc 6 to transversely move along with the sliding of the push rod shaft 11, namely, the crank 9 and the movable seat 4 are driven to transversely move along the bearing head 8, and the movable seat 4 are driven to transversely, and the movable seat 4 is driven to move on the track seat 2, and the movable seat 4 is fixedly connected with a clamping plate 14 through the lower end to be positioned;
furthermore, the movable seat 4 is inserted with the laser head 10, the laser head 10 is relatively parallel to the track seat 2, the laser head 10 is an infrared sensor, on the basis of the above, the positioning device performs ranging according to the infrared rays emitted by the laser head 10 based on the infrared sensing principle, the laser head 10 performs ranging according to the time of the feedback rays, so as to realize ranging between the movable seat 4 and the workpiece, the positioning motor brakes according to the measured distance, and the movable seat 4 is controlled to perform displacement positioning as above;
further, the movable seat 4 is slidably connected with the track seat 2 through the inner rail 15, the inner rail 15 is relatively parallel to the positioning rail rod 3, compared with the existing workpiece positioning mode, the positioning device realizes positioning displacement of the slide plate 6 through driving precession of the screw pipe piece 12 and the push rod shaft 11, positioning precision of the positioning device is in direct proportion to thread density of a driving structure of the screw pipe piece 12 and the push rod shaft 11, positioning displacement precision of the device is effectively guaranteed, applicability of the device is improved, and meanwhile, through the positioning rail rod 3 and the inner rail 15, movable limiting of the slide plate 6 and the movable seat 4 is synchronously completed, so that displacement precision of the movable seat 4 is further guaranteed, namely positioning precision of the device is further guaranteed.
Claims (6)
1. The utility model provides a work piece positioner for numerically controlled fraise machine, includes locating rack (1), track seat (2) and location rail pole (3), track seat (2) are fixed in locating rack (1) lower extreme, location rail pole (3) transversely pass locating rack (1) middle part, its characterized in that: a fixed shaft tube (5) is sleeved between the positioning rail rod (3) and the positioning frame (1), the other end of the positioning rail rod (3) is rotatably connected with a bearing head (8), a push rod shaft (11) is arranged between the positioning rail rod (3) and the bearing head (8) in a penetrating way, and a sliding disc (6) is arranged between the push rod shaft (11) and the bearing head (8);
the front end of the track seat (2) is provided with a movable seat (4), a crank (9) is fixed between the upper end of the movable seat (4) and the sliding disc (6), and an inner rail (15) is arranged between the movable seat (4) and the track seat (2).
2. The workpiece positioning device for a numerically controlled milling machine according to claim 1, wherein: the positioning frame (1) is internally provided with a screw pipe fitting (12), the left side of the positioning frame (1) is fixedly provided with a positioning motor (7), and a transmission shaft (13) is connected between the positioning motor (7) and the screw pipe fitting (12) in a transmission way.
3. The workpiece positioning device for a numerically controlled milling machine according to claim 2, wherein: the push rod shaft (11) is in sliding connection with the positioning rail rod (3), the push rod shaft (11) is in rotary connection with the solenoid piece (12), and the push rod shaft (11) is fixed with the sliding disc (6).
4. The workpiece positioning device for a numerically controlled milling machine according to claim 1, wherein: a connector (14) is fixed at the bottom end of the movable seat (4), and the connector (14) is a bolt connecting piece.
5. The workpiece positioning device for a numerically controlled milling machine according to claim 1, wherein: the movable seat (4) is inserted with the laser head (10), the laser head (10) is relatively parallel to the track seat (2), and the laser head (10) is an infrared sensor.
6. The workpiece positioning device for a numerically controlled milling machine according to claim 1, wherein: the movable seat (4) is in sliding connection with the track seat (2) through an inner rail (15), and the inner rail (15) is relatively parallel to the positioning rail rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320040302.6U CN219684632U (en) | 2023-01-08 | 2023-01-08 | Workpiece positioning device for numerical control milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320040302.6U CN219684632U (en) | 2023-01-08 | 2023-01-08 | Workpiece positioning device for numerical control milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219684632U true CN219684632U (en) | 2023-09-15 |
Family
ID=87968466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320040302.6U Active CN219684632U (en) | 2023-01-08 | 2023-01-08 | Workpiece positioning device for numerical control milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219684632U (en) |
-
2023
- 2023-01-08 CN CN202320040302.6U patent/CN219684632U/en active Active
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