CN220196997U - Workpiece positioning fixture for numerical control plane drilling machine - Google Patents
Workpiece positioning fixture for numerical control plane drilling machine Download PDFInfo
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- CN220196997U CN220196997U CN202321952849.XU CN202321952849U CN220196997U CN 220196997 U CN220196997 U CN 220196997U CN 202321952849 U CN202321952849 U CN 202321952849U CN 220196997 U CN220196997 U CN 220196997U
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- seat
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- drilling machine
- numerical control
- connecting seat
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- 238000005553 drilling Methods 0.000 title claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 230000006978 adaptation Effects 0.000 claims abstract 4
- 238000007789 sealing Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims 2
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 238000012937 correction Methods 0.000 abstract description 2
- 230000003044 adaptive effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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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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- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to the technical field of positioning fixtures, and discloses a workpiece positioning fixture for a numerical control plane drilling machine, which comprises a workbench, wherein a supporting table and a spindle box are arranged at the top of the workbench, a spindle is arranged at the bottom of the spindle box, and a drill bit is arranged in the spindle in a clamping manner; the positioning mechanism is arranged at the top of the supporting table and comprises a fixed box and a movable seat, and a connecting seat and a compression ring are arranged in the fixed box. The axis of the main shaft is determined to be collinear with the central line of the movable seat by utilizing the symmetrical adaptation of the two groups of positioning blocks, the pressing ring is driven to downwards extrude the connecting seat after the movable seat is positioned in an adaptation mode, the movable seat is fixed, and the positioning blocks are arranged into two groups and are symmetrically distributed for adaptation, so that the positioning precision of the whole clamp is improved, and the automatic deviation correction can be realized automatically during positioning.
Description
Technical Field
The utility model relates to the technical field of positioning fixtures, in particular to a workpiece positioning fixture for a numerical control plane drilling machine.
Background
Numerical control plane bores towards mainly used to the drilling of metal work piece, reaming and tapping processing etc. is the hole machine tool that adopts numerical control to take drilling as main, and its positioning fixture is used for fixed work piece of waiting to process for the drilling machine adopts hole processing, and its anchor clamps still need possess locate function, and among the prior art, the anchor clamps structure that possesses locate function is too complicated, and it adopts ball to carry out synchronous movement and calibration more, makes anchor clamps wholly lack with the contact of drilling machine main shaft function of rectifying and relevant part to make the positioning accuracy of positioning fixture not enough, need improve.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides the workpiece positioning fixture for the numerical control plane drilling machine, which has the advantages of high positioning precision, automatic deviation correction and high reliability.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a workpiece positioning fixture for a numerically controlled flat drilling machine, comprising:
the workbench is characterized in that a supporting table and a spindle box are arranged at the top of the workbench, a spindle is arranged at the bottom of the spindle box, and a drill bit is arranged in the spindle in a clamping manner;
the positioning mechanism is arranged at the top of the supporting table and comprises a fixed box and a movable seat, wherein a connecting seat and a pressing ring are arranged in the fixed box, the connecting seat is fixedly connected with the movable seat, the pressing ring is arranged in an inner cavity of the fixed box in a sealing mode and is positioned above the connecting seat, two groups of movable plates are symmetrically hinged to the left side and the right side of the movable seat, a positioning block is welded on one side, facing the main shaft, of the movable plate, and the inner side face of the positioning block is in adaptive contact with the outer surface of the main shaft.
As a preferred technical solution of the present utility model, the present utility model further includes:
the fixture seat is arranged into two groups and symmetrically arranged on the front side and the rear side of the top of the movable seat, and comprises a fixed seat, a clamping plate and bolts, wherein the clamping plate is inserted and arranged on the top of the fixed seat through guide posts and is pressed and arranged on the top of the fixed seat through threaded matching of the bolts and the fixed seat;
the bottom of the clamping plate is also provided with a workpiece in a pressing mode.
As a preferable technical scheme of the utility model, the top of the fixed box is provided with a through hole, the left side of the fixed box is also connected with an air inlet pipe, the top of the compression ring is welded with a limiting ring, the outer surface of the limiting ring is glued with a sealing ring, and the sealing ring is in interference fit with the inner wall of the through hole.
As a preferable technical scheme of the utility model, the bottom of the movable seat is in adaptive contact with the top of the fixed box, a limit frame is welded on the outer surface of the movable seat, and the top of the limit frame is designed as an inclined surface outer edge.
As a preferable technical scheme of the utility model, the vertical section of the connecting seat is in an inverted T shape, and the diameter value of the bottom of the connecting seat is larger than the inner diameter value of the middle opening of the pressing ring.
As a preferable technical scheme of the utility model, the bottom of the pressing ring is in adaptive contact with the connecting seat, and when compressed air is introduced into the air inlet pipe, the pressing ring presses the connecting seat.
As a preferable technical scheme of the utility model, the movable plate is isosceles trapezoid in shape, an arc groove is formed in one side of the positioning block, which contacts the main shaft, and the arc groove is in fit contact with the outer surface of the main shaft.
As a preferable technical scheme of the utility model, a plurality of groups of fixing plates are welded at the bottom of the fixing box, and the fixing plates are clamped in grooves at the top of the supporting table.
Compared with the prior art, the utility model has the following beneficial effects:
1. the positioning fixture adopts a concentric circle centering method to position, namely, a group of movable moving seats and connecting seats are arranged, so that a moving plate and a positioning block symmetrically hinged to the top of the moving seat are in concentric contact fit with the outer surface of a main shaft, the axis of the main shaft is determined to be collinear with the central line of the moving seat by utilizing the symmetrical fit of the two groups of positioning blocks, after the moving seat is positioned in a matched mode, compressed gas is introduced into a fixed box through an air inlet pipe to drive a compression ring to downwards extrude the connecting seat, and the fixing of the moving seat, the fixture seat and a workpiece is completed.
2. Through having seted up the through-hole at the top of fixed box, make the connecting portion at connecting seat top can freely have the dead angle at wherein to remove, place in the top of connecting seat naturally through the clamping ring, make the connecting seat drive and remove seat and anchor clamps seat and carry out the free movement, rethread intake pipe inserts compressed gas and fills between clamping ring and fixed box inner wall, with pneumatic decurrent to apply pressure to the connecting seat, thereby accomplish the fixed operation of removing the seat after the location, not only improved positioning accuracy, pneumatic pressfitting fixed mode also possesses higher reliability.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the headstock, the spindle, the positioning mechanism and the clamp base of the present utility model;
FIG. 3 is a schematic side cut-away view of the positioning mechanism and clamp base of the present utility model;
FIG. 4 is a partially exploded view of the positioning mechanism and clamp base of the present utility model;
fig. 5 is a partially exploded view of the positioning mechanism of the present utility model.
In the figure: 1. a work table; 2. a support table; 4. a spindle box; 5. a main shaft; 6. a positioning mechanism; 61. a fixed box; 611. a through hole; 612. an air inlet pipe; 62. a fixing plate; 63. a movable seat; 64. a limit frame; 65. a moving plate; 66. a positioning block; 67. a connecting seat; 68. a compression ring; 681. a limiting ring; 69. a seal ring; 7. a clamp seat; 71. a fixing seat; 72. a clamping plate; 73. a bolt; 8. a workpiece.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are also within the scope of the utility model.
As shown in fig. 1 to 5, the workpiece positioning fixture for a numerical control plane drilling machine provided by the utility model comprises:
a supporting table 2 and a spindle box 4 are arranged at the top of the workbench 1, a spindle 5 is arranged at the bottom of the spindle box 4, and a drill bit is arranged in the spindle 5 in a clamping manner;
the positioning mechanism 6 is arranged at the top of the supporting table 2 and comprises a fixed box 61 and a movable seat 63, a connecting seat 67 and a pressing ring 68 are arranged in the fixed box 61, the connecting seat 67 is fixedly connected with the movable seat 63, the pressing ring 68 is arranged in the inner cavity of the fixed box 61 in a sealing way and is positioned above the connecting seat 67, two groups of movable plates 65 are symmetrically hinged to the left side and the right side of the movable seat 63, a positioning block 66 is welded on one side, facing the main shaft 5, of the movable plate 65, and the inner side surface of the positioning block 66 is in adaptive contact with the outer surface of the main shaft 5;
when the positioning is needed, the spindle box 4 is started and the spindle 5 is driven to move to a specified height, the positioning fixture is positioned by adopting a concentric circle centering method, namely, a group of movable moving seats 63 and connecting seats 67 are arranged, so that the moving plates 65 and the positioning blocks 66 symmetrically hinged to the tops of the moving seats 63 are in concentric contact fit with the outer surface of the spindle 5, the axis of the spindle 5 is determined to be collinear with the central line of the moving seats 63 by utilizing the symmetrical fit of the two groups of positioning blocks 66, after the moving seats 63 are positioned in a matched mode, the pressing ring 68 is driven to press the connecting seats 67 downwards, the fixing of the moving seats 63 is finished, and the positioning blocks 66 are arranged into two groups and are symmetrically distributed for matching, so that the positioning accuracy of the whole fixture is improved, and the positioning fixture can be automatically corrected in the positioning process.
The workpiece positioning fixture for the numerical control plane drilling machine further comprises:
the clamp seats 7 are arranged in two groups and symmetrically arranged on the front side and the rear side of the top of the movable seat 63, and comprise a fixed seat 71, a clamping plate 72 and bolts 73, wherein the clamping plate 72 is inserted and arranged on the top of the fixed seat 71 through guide posts at the bottom, and is pressed and arranged on the top of the fixed seat 71 through threaded fit of the bolts 73 and the fixed seat 71;
the bottom of the clamping plate 72 is also provided with a workpiece 8 in a pressing manner;
the fixture seat 7 is used for fixing and clamping a workpiece 8, wherein the workpiece 8 is placed in an installation groove at the top of the fixed seat 71, then the clamping plate 72 is pressed on the workpiece 8 and inserted into a guide groove at the top of the fixed seat 71 through a guide post at the bottom of the clamping plate 72, and then the clamping plate 72 is in threaded installation with the fixed seat 71 by utilizing the bolt 73, so that the clamping plate 72 has downward pressing force, and the workpiece 8 at the bottom is convenient to fix.
The top of the fixed box 61 is provided with a through hole 611, the left side of the fixed box is also connected with an air inlet pipe 612, the top of the compression ring 68 is welded with a limiting ring 681, the outer surface of the limiting ring 681 is glued with a sealing ring 69, and the sealing ring 69 is in interference fit with the inner wall of the through hole 611;
through the through hole 611 is formed in the top of the fixed box 61, the connecting part at the top of the connecting seat 67 can freely move in the through hole, the connecting seat 67 is naturally placed at the top of the connecting seat 67 through the compression ring 68, the connecting seat 67 drives the movable seat 63 and the clamp seat 7 to freely move, the compressed gas is accessed through the air inlet pipe 612 and filled between the compression ring 68 and the inner wall of the fixed box 61, the connecting seat 67 is pressed downwards pneumatically, and therefore the fixed operation of the movable seat 63 after positioning is completed, the positioning precision is improved, the pneumatic pressing fixing mode also has higher reliability, and the air tightness is guaranteed through the sealing ring 69.
Wherein, the bottom of the movable seat 63 is in fit contact with the top of the fixed box 61, the outer surface of the movable seat is welded with a limit frame 64, and the top of the limit frame 64 is designed as an inclined surface outer edge;
the movable seat 63 is fixedly connected with the connecting seat 67, the bottom of the movable seat can be effectively supported through the contact of the top of the fixed box 61, and the outward limit removal of chips generated during drilling of the workpiece 8 can be realized through the design of the outer edge of the inclined plane of the limit frame 64.
The vertical section of the connecting seat 67 is in an inverted T shape, and the diameter value of the bottom of the connecting seat is larger than the inner diameter value of the middle opening of the pressure ring 68;
the "T" shape of the connection seat 67 is 180 ° inverted, so that the connection seat 67 is free to move on the inner wall of the through hole 611, and is not limited. And the diameter value of the bottom of the connecting seat 67 is larger than the inner diameter value of the middle opening of the pressing ring 68, so that the pressing ring 68 presses the bottom of the connecting seat 67 during fixing.
Wherein, the bottom of the compression ring 68 is in fit contact with the connecting seat 67, and when compressed air is introduced into the air inlet pipe 612, the compression ring 68 will press the connecting seat 67;
the air inlet pipe 612 is driven by the external compressed air pressurizing ring 68 to press downwards, so that a fixing function of the connecting seat 67 is formed.
Wherein, the shape of the moving plate 65 is isosceles trapezoid, one side of the positioning block 66 contacting the main shaft 5 is provided with an arc groove, and the arc groove is in fit contact with the outer surface of the main shaft 5.
The shape of the moving plate 65 can be turned over conveniently to assist in positioning, the main shaft 5 is a circular shaft, and the positioning block 66 is provided with a circular arc groove which is more suitable for the outer surface of the main shaft 5.
Wherein, a plurality of groups of fixing plates 62 are welded at the bottom of the fixing box 61, and the fixing plates 62 are clamped in grooves at the top of the supporting table 2; the fixing plate 62 is clamped in the groove at the top of the supporting table 2, so that the positioning mechanism 6 is fixedly arranged at the top of the supporting table 2.
The working principle and the using flow of the utility model are as follows:
first, the fixing box 61 is mounted on the top of the supporting table 2, the fixing plate 62 is engaged in a groove on the top of the supporting table 2, and is fixed by a pressing plate screw, the center of the positioning mechanism 6 is roughly determined to be aligned with the spindle 5, the workpiece 8 is placed in a mounting groove on the top of the fixing seat 71, the clamping plate 72 is pressed on the workpiece 8, and then the workpiece 8 is locked by the bolt 73, so that initial fixing of the workpiece 8 is completed.
Then, the spindle box 4 is started and the spindle 5 is driven to move to a specified height, at this time, two groups of moving plates 65 at the top of the moving seat 63 are rotated and face the spindle 5, so that the inner circular arc surface of the positioning block 66 is in adaptive contact with the spindle 5, when the two groups of moving plates are in adaptive adjustment, the moving seat 63 with positioning deviation drives the connecting seat 67 to freely move in the inner cavity of the fixed box 61 along with the positioning block, until the positioning block 66 is in perfect adaptive contact with the spindle 5, at this time, the positioning of the moving seat 63 is completed, compressed gas is introduced into the inner cavity of the fixed box 61 through the air inlet pipe 612, then the pressing ring 68 is pushed downwards and presses the connecting seat 67, the moving seat 63 is integrally fixed, positioning operation is completed, and then the moving plates 65 are reset towards rotation.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solution of the present utility model, and not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will appreciate that; the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (8)
1. The utility model provides a work piece positioning fixture for numerical control plane drilling machine which characterized in that: comprising the following steps:
the workbench (1) is provided with a supporting table (2) and a spindle box (4) at the top, a spindle (5) is arranged at the bottom of the spindle box (4), and a drill bit is arranged in the spindle (5) in a clamping manner;
positioning mechanism (6), install the top at brace table (2), including fixed case (61) and removal seat (63), connecting seat (67) and clamping ring (68) have been placed to the inside of fixed case (61), connecting seat (67) and removal seat (63) fixed connection, clamping ring (68) sealing mounting in the inner chamber of fixed case (61) and be located the top of connecting seat (67), the left and right sides symmetry of removal seat (63) articulates there are two sets of movable plates (65), one side welding of movable plate (65) orientation main shaft (5) has locating piece (66), the medial surface of locating piece (66) and the surface adaptation contact of main shaft (5).
2. The workpiece positioning fixture for a numerical control flat drilling machine according to claim 1, wherein: further comprises:
the fixture seats (7) are arranged in two groups and symmetrically arranged on the front side and the rear side of the top of the movable seat (63), and comprise a fixed seat (71), a clamping plate (72) and bolts (73), wherein the clamping plate (72) is inserted and arranged on the top of the fixed seat (71) through guide posts, and is in threaded fit and press fit with the fixed seat (71) through the bolts (73);
the bottom of the clamping plate (72) is also provided with a workpiece (8) in a pressing mode.
3. The workpiece positioning fixture for a numerical control flat drilling machine according to claim 1, wherein: the top of fixed case (61) has seted up through-hole (611), and its left side still is connected with intake pipe (612), the top welding of clamping ring (68) has spacing ring (681), the surface gluing of spacing ring (681) has sealing washer (69), sealing washer (69) are interference fit in the inner wall of through-hole (611).
4. The workpiece positioning fixture for a numerical control flat drilling machine according to claim 1, wherein: the bottom of the movable seat (63) is in fit contact with the top of the fixed box (61), a limiting frame (64) is welded on the outer surface of the movable seat, and the top of the limiting frame (64) is designed to be an inclined surface outer edge.
5. The workpiece positioning fixture for a numerical control flat drilling machine according to claim 1, wherein: the vertical section shape of the connecting seat (67) is in an inverted T shape, and the diameter value of the bottom of the connecting seat is larger than the inner diameter value of the middle opening of the pressing ring (68).
6. A workpiece positioning fixture for a numerically controlled flat drilling machine as set forth in claim 3, wherein: the bottom of the compression ring (68) is in fit contact with the connecting seat (67), and when compressed air is introduced into the air inlet pipe (612), the compression ring (68) presses the connecting seat (67).
7. The workpiece positioning fixture for a numerical control flat drilling machine according to claim 1, wherein: the movable plate (65) is isosceles trapezoid in shape, an arc groove is formed in one side, contacting with the main shaft (5), of the positioning block (66), and the arc groove is in fit contact with the outer surface of the main shaft (5).
8. The workpiece positioning fixture for a numerical control flat drilling machine according to any one of claims 1 to 7, wherein: the bottom of the fixed box (61) is welded with a plurality of groups of fixed plates (62), and the fixed plates (62) are clamped in grooves at the top of the supporting table (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321952849.XU CN220196997U (en) | 2023-07-24 | 2023-07-24 | Workpiece positioning fixture for numerical control plane drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321952849.XU CN220196997U (en) | 2023-07-24 | 2023-07-24 | Workpiece positioning fixture for numerical control plane drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220196997U true CN220196997U (en) | 2023-12-19 |
Family
ID=89149235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321952849.XU Active CN220196997U (en) | 2023-07-24 | 2023-07-24 | Workpiece positioning fixture for numerical control plane drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220196997U (en) |
-
2023
- 2023-07-24 CN CN202321952849.XU patent/CN220196997U/en active Active
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