CN210649595U - Tailstock thimble positioning combined clamp for four-axis numerical control machining center - Google Patents
Tailstock thimble positioning combined clamp for four-axis numerical control machining center Download PDFInfo
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- CN210649595U CN210649595U CN201921506695.5U CN201921506695U CN210649595U CN 210649595 U CN210649595 U CN 210649595U CN 201921506695 U CN201921506695 U CN 201921506695U CN 210649595 U CN210649595 U CN 210649595U
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- thimble
- positioning
- numerical control
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Abstract
A tailstock thimble positioning combination fixture for a four-axis numerical control machining center comprises a base, a rotary positioning mechanism and a thimble mechanism, wherein the rotary positioning mechanism and the thimble mechanism are arranged on the base and are opposite to each other, the rotary positioning mechanism comprises a numerical control dividing disc device, a tetrahedral rotary fixture body connected to the front end of the dividing disc, and a positioning block connected to the front end of the tetrahedral rotary fixture body, the thimble mechanism comprises a tailstock body, a centre penetrating in a through hole of the tailstock body, a thimble lead screw arranged at the rear end of the centre, a thimble handle disc arranged at the rear end of the thimble lead screw, a centre positioning sleeve sleeved at the front end of the centre, and a thimble positioning block arranged at the front end of the centre positioning sleeve, a positioning pin of the positioning block is opposite to a positioning pin of the thimble positioning block, a U-shaped element is fixedly connected with the rear end of the tailstock body, a nut, a bearing is arranged between the tip positioning sleeve and the tip. The five-axis action and machining can be realized on the basis of a four-axis numerical control machining center.
Description
Technical Field
The utility model relates to an anchor clamps, concretely relates to tailstock thimble location modular fixture for four-axis numerical control machining center.
Background
In the prior art, a four-axis numerical control machining center is usually matched with a clamp to machine a workpiece. For example, when a round bar type part is machined, a tip hole is punched at the end part of the part, the part is positioned by a clamp by adopting a one-clamp one-top principle, and the clamp is rotated to machine the outer circumferential surface of the part by 360 degrees. The existing clamp can not position and angle the part, particularly, a small square part needs to be machined with six surfaces, under the condition, a four-axis numerical control machining center can not meet the machining requirement, and the cost of the five-axis numerical control machining center is greatly increased. Meanwhile, a five-axis numerical control machining center usually does not adopt a principle of clamping one part and positioning one part, the structure is complex, and clamping operation is time-consuming and labor-consuming.
Therefore, there is a need in the art for a fixture for a four-axis nc machining center, which can position and position a part and position and angle the part by rotating the fixture to realize a fifth axis operation and machining based on the four-axis nc machining center.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art existence, provide a tailstock thimble location modular fixture for four-axis numerical control machining center, its simple structure, the clamping is swift, can carry out part position angle location, guarantee product quality and size precision.
The utility model discloses a realize through following technical scheme: a tailstock thimble positioning combined clamp for a four-axis numerical control machining center comprises a base, and a rotary positioning mechanism and a thimble mechanism which are arranged on the base and are opposite to each other, wherein the rotary positioning mechanism comprises a numerical control dividing disc device, a tetrahedral rotary clamp body connected to the front end of the dividing disc of the numerical control dividing disc device, a positioning block connected to the front end of the tetrahedral rotary clamp body and a positioning pin arranged at the front end of the positioning block, the thimble mechanism comprises a tailstock body, a centre, a thimble screw rod, a thimble handle disc, a handle, a centre positioning sleeve, a thimble positioning block and a positioning pin, the middle part of the tailstock body is provided with a through hole which is communicated with the front and the back, the centre is arranged in the through hole of the tailstock body in a penetrating manner, the thimble screw rod is arranged at the back end of the centre, the thimble handle disc is arranged at, the positioning pin of the positioning block is opposite to the positioning pin of the thimble positioning block, the rear end of the tailstock body is fixedly connected with a U-shaped part, the middle of the U-shaped part is provided with a nut, the thimble lead screw penetrates through the nut, and a bearing is arranged between the top positioning sleeve and the top.
The tailstock body is provided with a screw hole extending to the through hole of the tailstock body from the outer surface of the tailstock body, a hexagon socket head cap locking screw is arranged in the screw hole, and the end of the hexagon socket head cap locking screw is over against the outer circumferential surface of the tip and is provided with a plastic pressing block in the screw hole.
The center positioning sleeve is provided with a fixing screw hole, a fixing screw is arranged in the fixing screw hole, and the fixing screw penetrates through the fixing screw hole and extends into the center positioning sleeve to be in contact with the peripheral surface of the outer edge of the center.
The tailstock body is provided with an oil injection screw hole extending to the tailstock body from the outer surface of the tailstock body, and the oil injection screw hole is internally provided with an oil injection screw.
The tailstock body with be provided with tailstock bed hedgehopping piece between the base, the upper surface of base is provided with the T-slot, the fixed T type groove locating piece that is provided with bed hedgehopping piece of lower extreme of tailstock bed hedgehopping piece, bed hedgehopping piece T type groove locating piece is located the T is shaped inslot, the tailstock bed hedgehopping piece with be provided with locking bolt between the base.
And the tailstock heightening block is provided with a vice.
The side face of the tetrahedron rotary clamp body is fixedly connected with a vice.
And a driver raising block is arranged between the numerical control indexing disc device and the base.
The utility model has the advantages that: the utility model discloses simple structure, the clamping is swift, and is efficient, can carry out part position angular positioning to realize fifth action and processing on four-axis numerical control machining center's basis, and ensure product quality and size precision.
Drawings
Fig. 1 is a schematic view of a first perspective three-dimensional structure of the present invention;
fig. 2 is a schematic view of a second perspective three-dimensional structure of the present invention;
fig. 3 is a schematic front view of the present invention.
In the figure: 1-a driver; 2-an index plate; a 3-tetrahedral rotary jig body; 4-a vice; 5-positioning a block; 6-positioning pins; 7-a workpiece; 8-a thimble positioning block; 9-fixing screws; 10-tip locating sleeve; 11-a bearing; 12-a tip; 13-a tailstock body; 14-inner hexagonal locking screw; 15-tailstock padding block; 16-thimble screw rod; 17-thimble handle plate; 18-a handle; 19-a block of a T-shaped groove; 20-oil hole screw; 21-a nut; 22-driver step-up block; 23-a U-shaped piece; 24-base.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, a tailstock thimble positioning combination fixture for a four-axis numerical control machining center comprises a base 24, and a rotary positioning mechanism and a thimble mechanism which are arranged on the base 24 and are opposite to each other, wherein the rotary positioning mechanism comprises a numerical control index plate 2 device, a tetrahedral rotary fixture body 3 connected to the front end of the index plate 2 of the numerical control index plate 2 device, a positioning block 5 connected to the front end of the tetrahedral rotary fixture body 3, and a positioning pin 6 arranged at the front end of the positioning block 5, the thimble mechanism comprises a tailstock body 13 provided with a through hole penetrating from front to back in the middle, a tip 12 arranged in the through hole of the tailstock body 13, a thimble lead screw 16 arranged at the rear end of the tip 12, a thimble handle plate 17 arranged at the rear end of the thimble lead screw 16, a handle 18 arranged on the thimble handle plate 17, a tip positioning sleeve 10 arranged at the front end of the tip 12, a thimble positioning block 8 arranged at the front end of the tip positioning sleeve 6, the positioning pin 6 of the positioning block 5 is opposite to the positioning pin 6 of the thimble positioning block 8, the rear end of the tailstock body 13 is fixedly connected with a U-shaped part 23, the middle part of the U-shaped part 23 is provided with a nut 21, the thimble lead screw 16 is arranged in the nut 21 in a penetrating way, and a bearing 11 is arranged between the centre positioning sleeve 10 and the centre 12.
The numerical control indexing disc 2 device comprises a driver 1 and an indexing disc 2. Four sides of the tetrahedron rotary clamp body 3 are provided with positioning holes and screw fixing holes, and the four sides can be provided with vices 4. The nut 21 is made of copper nut, and is corrosion-resistant, rust-resistant and easy to machine and replace.
Referring to fig. 1 and 2, the left and right side surfaces of the workpiece 7 are provided with positioning holes. When the positioning device works, two positioning holes in the left side face of a workpiece 7 are positioned through the positioning pin 6 of the positioning block 5, then the handle 18 is manually operated, the centre 12 is pushed, the positioning pin 6 of the thimble positioning block 8 extends into the two positioning holes in the right side of the workpiece 7, the workpiece 7 is positioned, the positioning pin 6 positions the workpiece 7, and the workpiece 7 can be prevented from being deviated.
The tailstock body 13 is provided with a screw hole extending from the outer surface of the tailstock body 13 to the through hole of the tailstock body 13, a hexagon socket locking screw 14 is arranged in the screw hole, and a plastic compression block is arranged in the screw hole, wherein the end of the hexagon socket locking screw 14 is opposite to the outer circumferential surface of the tip 12. The inner hexagonal locking screw 14 is screwed down, so that the self-locking fixing effect can be achieved, and the workpiece 7 is prevented from loosening due to vibration during processing. The inner hexagonal locking screw 14 is loosened, and the workpiece 7 can be removed after the thimble positioning block 8 is driven to move backwards by the hand-operated handle 18.
The centre locating sleeve 10 is provided with a fixed screw hole, a fixed screw 9 is arranged in the fixed screw hole, and the fixed screw 9 penetrates through the fixed screw hole to extend into the centre locating sleeve 10 to be in contact with the peripheral surface of the outer edge of the centre 12. After the thimble positioning block 8 tightly pushes the workpiece 7, the fixing screw 9 is locked, and the fixing screw 9 plays a role of fixing the tip positioning sleeve 10, so that the tip positioning sleeve cannot be loosened, and the stability of processing and clamping is ensured.
The tailstock body 13 is provided with an oil injection screw hole extending from the outer surface of the tailstock body 13 to the through hole of the tailstock body 13, and an oil injection screw 20 is provided in the oil injection screw hole. Lubricating oil is added periodically through the oil filling screw hole, so that the tip 12 shaft can be prevented from being pulled.
Be provided with tailstock bed hedgehopping piece 15 between tailstock body 13 and the base 24, the upper surface of base 24 is provided with the T-slot, and the fixed T type groove locating piece 19 that is provided with bed hedgehopping piece 15 of lower extreme is filled up to the tailstock, and bed hedgehopping piece T type groove locating piece 19 is located the T and is shaped inslot, is provided with locking bolt between tailstock bed hedgehopping piece 15 and the base 24. The tailstock heightening block 15 can heighten the thimble to make it align with the rotation center. The ejector pin mechanism can move horizontally through the T-shaped groove positioning block 19 of the block, and the position of the center 12 relative to the rotating center is not influenced. The tailstock heightening block 15 is provided with a vice 4.
As shown in fig. 1 and 2, a vice 4 is fixedly connected to a side surface of the tetrahedral rotary jig body 3. A driver heightening block 22 is arranged between the numerical control index plate 2 device and a base 24, and a larger workpiece 7 can be processed after heightening.
It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a tailstock thimble location modular fixture for four-axis numerical control machining center which characterized in that: the tailstock and thimble positioning combined clamp comprises a base, a rotary positioning mechanism and a thimble mechanism, wherein the rotary positioning mechanism and the thimble mechanism are arranged on the base and are opposite to each other, the rotary positioning mechanism comprises a numerical control indexing disc device, a tetrahedral rotary clamp body connected to the front end of an indexing disc of the numerical control indexing disc device, a positioning block connected to the front end of the tetrahedral rotary clamp body and a positioning pin arranged at the front end of the positioning block, the thimble mechanism comprises a tailstock body, a centre, a thimble screw rod, a thimble handle disc, a handle, a centre positioning sleeve, a thimble positioning block and a positioning pin, the centre positioning block is arranged at the front end of the thimble positioning sleeve, the middle part of the tailstock body is provided with a through hole which is communicated from front to back, the centre is arranged in the through hole of the tailstock body in a penetrating manner, the thimble screw rod is arranged at the rear end of the centre, the rear end of the tailstock body is fixedly connected with a U-shaped part, a nut is arranged in the middle of the U-shaped part, the ejector pin screw rod penetrates through the nut, and a bearing is arranged between the top positioning sleeve and the top.
2. The tailstock thimble positioning combination clamp for the four-axis numerical control machining center according to claim 1, characterized in that: the tailstock body is provided with a screw hole extending to the through hole of the tailstock body from the outer surface of the tailstock body, a hexagon socket head cap locking screw is arranged in the screw hole, and the end of the hexagon socket head cap locking screw is over against the outer circumferential surface of the tip and is provided with a plastic pressing block in the screw hole.
3. The tailstock thimble positioning combination clamp for the four-axis numerical control machining center according to claim 2, characterized in that: the center positioning sleeve is provided with a fixing screw hole, a fixing screw is arranged in the fixing screw hole, and the fixing screw penetrates through the fixing screw hole and extends into the center positioning sleeve to be in contact with the peripheral surface of the outer edge of the center.
4. The tailstock thimble positioning combination clamp for the four-axis numerical control machining center according to claim 3, characterized in that: the tailstock body is provided with an oil injection screw hole extending to the tailstock body from the outer surface of the tailstock body, and the oil injection screw hole is internally provided with an oil injection screw.
5. The tailstock thimble positioning combination clamp for the four-axis numerical control machining center according to claim 4, characterized in that: the tailstock body with be provided with tailstock bed hedgehopping piece between the base, the upper surface of base is provided with the T-slot, the fixed T type groove locating piece that is provided with bed hedgehopping piece of lower extreme of tailstock bed hedgehopping piece, bed hedgehopping piece T type groove locating piece is located the T is shaped inslot, the tailstock bed hedgehopping piece with be provided with locking bolt between the base.
6. The tailstock thimble positioning combination clamp for the four-axis numerical control machining center according to claim 5, characterized in that: and the tailstock heightening block is provided with a vice.
7. The tailstock thimble positioning combination clamp for the four-axis numerical control machining center according to claim 6, characterized in that: the side face of the tetrahedron rotary clamp body is fixedly connected with a vice.
8. The tailstock thimble positioning combination clamp for the four-axis numerical control machining center according to claim 7, characterized in that: and a driver raising block is arranged between the numerical control indexing disc device and the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921506695.5U CN210649595U (en) | 2019-09-11 | 2019-09-11 | Tailstock thimble positioning combined clamp for four-axis numerical control machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921506695.5U CN210649595U (en) | 2019-09-11 | 2019-09-11 | Tailstock thimble positioning combined clamp for four-axis numerical control machining center |
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| Publication Number | Publication Date |
|---|---|
| CN210649595U true CN210649595U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921506695.5U Active CN210649595U (en) | 2019-09-11 | 2019-09-11 | Tailstock thimble positioning combined clamp for four-axis numerical control machining center |
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| CN (1) | CN210649595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110405497A (en) * | 2019-09-11 | 2019-11-05 | 恩欣格工程塑料（上海）有限公司 | Tailstock center bit combination fixture for four-shaft numerically controlled machining center |
-
2019
- 2019-09-11 CN CN201921506695.5U patent/CN210649595U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110405497A (en) * | 2019-09-11 | 2019-11-05 | 恩欣格工程塑料（上海）有限公司 | Tailstock center bit combination fixture for four-shaft numerically controlled machining center |
| CN110405497B (en) * | 2019-09-11 | 2024-04-23 | 恩欣格工程塑料（上海）有限公司 | Tailstock thimble positioning combined clamp for four-axis numerical control machining center |
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