CN201227745Y - Mechanism for holding chucking appliance for spindle - Google Patents
Mechanism for holding chucking appliance for spindle Download PDFInfo
- Publication number
- CN201227745Y CN201227745Y CNU2008201221020U CN200820122102U CN201227745Y CN 201227745 Y CN201227745 Y CN 201227745Y CN U2008201221020 U CNU2008201221020 U CN U2008201221020U CN 200820122102 U CN200820122102 U CN 200820122102U CN 201227745 Y CN201227745 Y CN 201227745Y
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- CN
- China
- Prior art keywords
- connecting rod
- claw
- main shaft
- groove
- clamping tool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Gripping On Spindles (AREA)
Abstract
A main shaft clamping apparatus mechanism belongs to a machine tool part device. The traditional machine tool clamp and the main shaft are fixedly connected through a screw and can not realize automatic exchange. The utility model provides a mechanism which can realize automatic clamping and separation of the clamp and the main shaft. The mechanism comprises a hollow main shaft. A pull rod connected to an oil cylinder is arranged in the main shaft; a connection ball is fixedly arranged at the front end of the pull rod; a connecting rod clamping groove is formed on the outer surface of the connection ball; a connecting rod seat and a claw seat are mounted at the front end of the hollow cavity of the main shaft; a radial claw chute with an inverted T-shaped section is arranged on the claw seat, and the claw with an inverted T-shaped section is mounted in the claw chute; a connecting rod clamping groove is formed on the bottom surface of the claw; an L-shaped connecting rod is mounted in the shaft hole on the connecting rod seat through a connecting rod mounting shaft; and the head parts of two support legs of the connecting rod are drum-shaped and respectively embedded in the connecting rod clamping grooves of the connection ball and the claw. The clamping and disengagement of the claw in the claw clamping groove on the clamp is controlled through controlling the connecting rod to rotate around the connecting rod mounting shaft, so as to realize the clamping and the separation of the clamp and the main shaft.
Description
Technical field
The utility model belongs to the machine tool element device, and is especially relevant with a kind of mechanism of principle axis clamping tool.
Background technology
The parts that are used for clamping work pieces when jig is machine tooling, for improving machine tooling efficient, can on a machine tool, use two or more anchor clamps to exchange use, anchor clamps are clamping workpiece and are being in the processing district and carry out workpiece and add man-hour, and another anchor clamps can carry out the loading and unloading of workpiece simultaneously.The traditional machine tool anchor clamps are screwed with main shaft and are connected, and can't realize automatic exchange, can realize exchange automatically for making jig, must design a kind of anchor clamps and main shaft of making and realize clamping automatically and the mechanism that separates.
The utility model content
The utility model purpose is exactly to provide a kind of mechanism of principle axis clamping tool to realize that anchor clamps can clamp and separate automatically with main shaft.For this reason, the utility model is by the following technical solutions:
A kind of mechanism of principle axis clamping tool, comprise hollow main shaft, it is characterized in that: be provided with pull bar in the described main shaft hollow cavity, back end of tie rod is connected with the oil cylinder that is arranged at the main shaft rear, the pull bar front end is installed with the connection ball, connects outer surface of ball and is provided with the connecting rod draw-in groove; Main shaft hollow cavity front end is installed with connecting rod base and cylindric master jaw, and connecting rod base is provided with axis hole, and master jaw is provided with radially claw chute, in the claw chute claw is installed, and the claw bottom surface is provided with the connecting rod draw-in groove; The connecting rod installation shaft is installed in the axis hole on the connecting rod base, L shaped connecting rod is installed on the connecting rod installation shaft, L shaped connecting rod turning point is provided with axis hole, this axis hole is installed on the connecting rod installation shaft, formation is the rocker structure at center with the connecting rod installation shaft, make the connecting rod can be around connecting rod installation shaft rotation, the head of two legs of connecting rod be flush-mounted in respectively in the connecting rod draw-in groove on described connection ball and the claw.
Connect the jig that uses with the utility model and be provided with the installation cavity corresponding with described master jaw, the installation cavity bottom is provided with the claw draw-in groove, when the utility model begins to clamp anchor clamps work, anchor clamps bottom surface and front-end of spindle face are bonded with each other, master jaw stretches into the installation cavity of anchor clamps, pull bar is positioned at the rearmost position, claw on the master jaw is positioned at the most close center and is in closure state, the oil cylinder effect is pushing away pull bar in the main shaft hollow cavity and is moving forward, drive is flush-mounted in connecting rod leg head in the connecting rod draw-in groove that connects ball along the main shaft axial advancement, connecting rod is rotated around the connecting rod installation shaft, another leg of connecting rod rotates around the connecting rod installation shaft thereupon, this leg head moves away from circle centre position near circle centre position is past from master jaw, strut claw radially toward moving away from circle centre position, claw inserts the claw draw-in groove on the anchor clamps, and anchor clamps are clipped on the main shaft; If anchor clamps are separated from main shaft, then the oil cylinder effect is with the pull bar post-tensioning, drivening rod leg head moves after axially along main shaft, connecting rod is rotated around the connecting rod installation shaft, another leg of connecting rod is thereupon around the rotation of connecting rod installation shaft, and this leg head moves toward close circle centre position away from circle centre position from master jaw, drives claw radially toward mobile near the circle centre position closure, claw is deviate from the claw draw-in groove on the anchor clamps, and anchor clamps can separate from main shaft.
As the further of technique scheme improved and replenish, the utility model also comprises following additional technical feature:
Two leg heads of described connecting rod are cydariform, and the cydariform face contacts with the cell wall of connecting rod draw-in groove, as stress surface.
Described connecting rod base is made up of disc base that is connected as a single entity and connecting rod erection column, and the connecting rod erection column is along the circumferential direction gone up 120 degree distributions at interval on disc base, and the described axis hole that is used for the installing connecting rods installation shaft is arranged at the connecting rod erection column.
Claw chute cross section on the described master jaw is an inverted T-shaped, and described claw cross section is corresponding with it T-shaped.
Claw chute quantity on the described master jaw is 3, and 120 degree distribute at interval in same plane.
Described master jaw top is installed with cover plate, carries out spacing to the closed stroke that moves of claw.
Described connection ball is provided with step through-hole, passes this step through-hole with screw and is screwed into tie rod end, will connect ball and be fixedly installed in tie rod end.
Use the utility model can reach following beneficial effect: can realize clamping automatically and separating of jig, can realize that a plurality of jigs exchange use automatically, improve the working (machining) efficiency of lathe.
Description of drawings
Fig. 1 is that the utility model anchor clamps and main shaft are in the profile of engagement state claw when closed.
Fig. 2 is the utility model anchor clamps and the main shaft profile when being in the engagement state claw and strutting.
Fig. 3 is the partial enlarged drawing at a place among Fig. 1.
Fig. 4 is the partial enlarged drawing at b place among Fig. 2.
Fig. 5 is the main shaft end face axial view when claw is closed in the utility model.
Fig. 6 is the main shaft end face axial view when claw struts in the utility model.
Fig. 7 is the vertical view that connects ball in the utility model.
Fig. 8 is the A-A cutaway view of the connection ball among Fig. 7.
Fig. 9 is the front view of connecting rod in the utility model.
Figure 10 is the vertical view of connecting rod in the utility model.
Figure 11 is the vertical view of connecting rod base in the utility model.
Figure 12 is the B-B cutaway view of the connecting rod base among Figure 11.
Figure 13 is the vertical view of master jaw in the utility model.
Figure 14 is the C-C cutaway view of master jaw among Figure 13.
Figure 15 is the front view of claw in the utility model.
Figure 16 is the vertical view of claw in the utility model.
Figure 17 is the left view of claw in the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in detail.
Extremely shown in Figure 17 as Fig. 1, the utility model comprises hollow main shaft 2, be provided with pull bar 3 in main shaft 2 hollow cavities, pull bar 3 rear ends are connected with oil cylinder 1, pull bar 3 front ends are installed with and connect ball 5, connect ball 5 and are provided with step through-hole 13, pass step through-hole 13 with screw 4 and are screwed into pull bar 3 ends, to connect ball 5 and be fixedly installed in pull bar 3 ends, and connect ball 5 outer surfaces and be provided with connecting rod draw-in groove 14; Main shaft 2 hollow cavity front ends are installed with connecting rod base 7 and cylindric master jaw 8, master jaw 8 is provided with radially claw chute 21, claw chute 21 cross sections are inverted T-shaped, claw chute 21 quantity are 3 and 120 degree distributions at interval in same plane, claw 9 is installed in the claw chute 21, claw 9 bottom surfaces are provided with connecting rod draw-in groove 23, claw 9 cross sections are corresponding T-shaped with claw chute 21 cross sections, master jaw 8 tops are installed with cover plate 17, connecting rod base 7 is made up of disc base 22 that is connected as a single entity and connecting rod erection column 19, connecting rod erection column 19 is along the circumferential direction gone up 120 degree distributions at interval on disc base 22, connecting rod erection column 19 is provided with axis hole 20; Connecting rod installation shaft 12 is installed in the axis hole 20, L shaped connecting rod 6 is installed on the connecting rod installation shaft 12, connecting rod 6 turning points are provided with axis hole 16, axis hole 16 is installed on connecting rod installation shaft 12, formation is the rocker structure at center with connecting rod installation shaft 12, and connecting rod 6 can be around connecting rod installation shaft 12 rotation, and two legs 15 of connecting rod 6 and 18 head are flush-mounted in respectively in connecting rod draw-in groove 14 and 23, two legs 15 of connecting rod 6 and 18 head are cydariform, and cydariform face and connecting rod draw-in groove 14 contact with 23 cell wall.
Be provided with the installation cavity corresponding with jig clamp body 10 that the utility model connect to use with master jaw 8, this installation cavity bottom is provided with claw draw-in groove 11, when the utility model begins to clamp anchor clamps work, the front end face of clamp body 10 bottom surfaces and main shaft 2 is bonded with each other, master jaw 8 stretches into the installation cavity of clamp body 10, pull bar 3 is positioned at the rearmost position, claw 9 is positioned at that the most close center is in closure state on the master jaw 8, oil cylinder 1 effect is pushing away pull bar 3 in the hollow cavity of main shaft 2 and is moving forward, drive and connect ball 5 reaches, the head that is flush-mounted in the connecting rod leg 15 in the connecting rod draw-in groove 14 is with connecting the axial advancement of ball 5 along main shaft 2, make connecting rod 6 around 12 rotations of connecting rod installation shaft, connecting rod 6 another legs 18 are thereupon around 12 rotations of connecting rod installation shaft, the head of leg 18 moves away from circle centre position near circle centre position is past from master jaw 8, strut claw 9 radially toward moving away from circle centre position, the claw draw-in groove 11 that claw 9 inserts on the anchor clamps is clipped on anchor clamps on the main shaft 2; If anchor clamps are separated from main shaft 2, then oil cylinder 1 effect is with the pull bar post-tensioning, drivening rod leg 15 heads move after axially along main shaft 2, make connecting rod 6 around 12 rotations of connecting rod installation shaft, around 12 rotations of connecting rod installation shaft, leg 18 heads move toward close circle centre position away from circle centre position from master jaw 8 another leg 18 of connecting rod thereupon, drive claw 9 radially toward mobile near the circle centre position closure, claw 9 is deviate from claw draw-in groove 11, and anchor clamps can separate from main shaft 2.
Claims (7)
1, a kind of mechanism of principle axis clamping tool, comprise hollow main shaft (2), it is characterized in that: be provided with pull bar (3) in the hollow cavity of main shaft (2), pull bar (3) rear end is connected with the oil cylinder (1) that is arranged at main shaft (2) rear, pull bar (3) front end is installed with and connects ball (5), connects ball (5) outer surface and is provided with connecting rod draw-in groove (14); The hollow cavity front end of main shaft (2) is installed with connecting rod base (7) and cylindric master jaw (8), connecting rod base (7) is provided with axis hole (20), master jaw (8) is provided with radially claw chute (21), claw (9) is installed in the claw chute (21), and claw (9) bottom surface is provided with connecting rod draw-in groove (23); Connecting rod installation shaft (12) is installed in the axis hole (20), L shaped connecting rod (6) is installed on the connecting rod installation shaft (12), L shaped connecting rod (6) turning point is provided with axis hole (16), axis hole (16) is installed on connecting rod installation shaft (12), formation is the rocker structure at center with connecting rod installation shaft (12), connecting rod (6) can be around connecting rod installation shaft (12) rotation, and two legs (15) of connecting rod (6) and the head of (18) are flush-mounted in respectively in connecting rod draw-in groove (14) and the connecting rod draw-in groove (23).
2, the mechanism of a kind of principle axis clamping tool according to claim 1 is characterized in that: two legs (15) of connecting rod (6) and the head of (18) are cydariform, and the cydariform face contacts with the cell wall of connecting rod draw-in groove (14) and (23).
3, the mechanism of a kind of principle axis clamping tool according to claim 1, it is characterized in that: connecting rod base (7) is made up of disc base that is connected as a single entity (22) and connecting rod erection column (19), connecting rod erection column (19) is along the circumferential direction gone up 120 degree distributions at interval on disc base (22), axis hole (16) is arranged on the connecting rod erection column (19).
4, the mechanism of a kind of principle axis clamping tool according to claim 3 is characterized in that: the claw slot cross-section on the master jaw (8) is an inverted T-shaped, and the cross section of claw (9) is corresponding with it T-shaped.
5, the mechanism of a kind of principle axis clamping tool according to claim 4 is characterized in that: the quantity of the claw chute (21) on the master jaw (8) is 3, and 120 degree distribute at interval in same plane.
6, the mechanism of a kind of principle axis clamping tool according to claim 1 is characterized in that: master jaw (8) top is installed with cover plate (17).
7, the mechanism of a kind of principle axis clamping tool according to claim 1, it is characterized in that: connect ball (5) and be provided with step through-hole (13), pass this step through-hole (13) with screw (4) and be screwed into pull bar (3) end, will connect ball (5) and be fixedly installed in pull bar (3) end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201221020U CN201227745Y (en) | 2008-07-22 | 2008-07-22 | Mechanism for holding chucking appliance for spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201221020U CN201227745Y (en) | 2008-07-22 | 2008-07-22 | Mechanism for holding chucking appliance for spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201227745Y true CN201227745Y (en) | 2009-04-29 |
Family
ID=40632707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201221020U Expired - Lifetime CN201227745Y (en) | 2008-07-22 | 2008-07-22 | Mechanism for holding chucking appliance for spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201227745Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633127B (en) * | 2008-07-22 | 2012-04-11 | 浙江日发数码精密机械股份有限公司 | Mechanism of principle axis clamping fixture capable of separating fixture |
| CN102962785A (en) * | 2011-08-30 | 2013-03-13 | 浙江瑞远机床有限公司 | Numerical-control lathe main spindle box assembling clamp and assembling method |
| CN103551895A (en) * | 2013-10-28 | 2014-02-05 | 重庆霍洛伊德精密螺杆制造有限责任公司 | Turning special fixture |
| CN103894858A (en) * | 2014-04-21 | 2014-07-02 | 句容市石狮冲压件厂 | Special-shaped machined part clamping tool |
-
2008
- 2008-07-22 CN CNU2008201221020U patent/CN201227745Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633127B (en) * | 2008-07-22 | 2012-04-11 | 浙江日发数码精密机械股份有限公司 | Mechanism of principle axis clamping fixture capable of separating fixture |
| CN102962785A (en) * | 2011-08-30 | 2013-03-13 | 浙江瑞远机床有限公司 | Numerical-control lathe main spindle box assembling clamp and assembling method |
| CN103551895A (en) * | 2013-10-28 | 2014-02-05 | 重庆霍洛伊德精密螺杆制造有限责任公司 | Turning special fixture |
| CN103894858A (en) * | 2014-04-21 | 2014-07-02 | 句容市石狮冲压件厂 | Special-shaped machined part clamping tool |
| CN103894858B (en) * | 2014-04-21 | 2016-03-30 | 句容市石狮冲压件厂 | A kind of special-shaped workpiece clamping tooling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090429 Effective date of abandoning: 20080722 |