CN212552774U - Clamp for expanding machining range of boring and milling machine - Google Patents
Clamp for expanding machining range of boring and milling machine Download PDFInfo
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- CN212552774U CN212552774U CN202021105144.0U CN202021105144U CN212552774U CN 212552774 U CN212552774 U CN 212552774U CN 202021105144 U CN202021105144 U CN 202021105144U CN 212552774 U CN212552774 U CN 212552774U
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Abstract
The utility model discloses a fixture for expanding the processing range of a boring and milling machine, which is arranged on a workbench of the boring and milling machine, wherein a plurality of T-shaped grooves which are parallel to each other are arranged on the workbench of the boring and milling machine, and the fixture comprises a base platform and a movable platform which moves relative to the base platform; a positioning reference block is arranged at the bottom of the base platform and is matched with the T-shaped groove; 2 parallel linear rails are arranged on the base platform, and two ends of at least one linear rail are provided with limiting buffer mechanisms; the moving platform is arranged on the base platform, and a plurality of sliding blocks which are matched with the linear track are arranged at the bottom of the moving platform; the moving platform is provided with at least 2 screw rods, a pressure plate sleeved on the screw rods and a compression nut matched with the screw rods; at least 2 positioning reference pin shafts are arranged on the moving platform and fix the moving platform and the base platform. The fixture can quickly clamp the workpiece exceeding the stroke of the boring and milling machine workbench, secondary correction is omitted, errors in the machining process are reduced, and the quality of the workpiece is improved.
Description
Technical Field
The utility model relates to an anchor clamps field especially relates to an extend anchor clamps of boring and milling machine application range.
Background
In the traditional mechanical equipment such as a horizontal boring and milling machine, if the X-axis stroke of a workbench is 1200mm, the boring processing range is limited within 1200 mm; if the workpiece beyond the processing range cannot be clamped and processed once, secondary clamping is required, and then secondary surface making correction is carried out on the workpiece by taking the processed hole or surface as a reference, so that the axis of the processed hole or surface is ensured to be parallel to the main shaft, and the horizontal reference surface of the workpiece is required to be parallel to the workbench, so that the unprocessed part can be processed continuously; the method has the advantages of low processing efficiency, labor and time waste, difficulty in control on the precision aspect, large accumulated error and higher requirement on the technical level of operators.
In view of the above circumstances, it is necessary to design a fixture for expanding the processing range of a boring and milling machine, which can rapidly clamp a workpiece exceeding the stroke of a workbench, remove secondary clamping correction, and reduce the accumulated error of a machining process, thereby improving the working efficiency, improving the workpiece quality, effectively reducing the waste of manpower and material resources, reducing the labor intensity of operators, and improving the operation safety.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an extend anchor clamps of boring and milling machine application range, can carry out quick clamping to the work piece that surpasss the workstation stroke, remove the secondary clamping from and rectify, reduce the accumulative total error of machining process, improve the work piece quality, effectively reduce the waste of manpower and materials, alleviate operating personnel's intensity of labour, improve the security of operation.
In order to achieve the above object, the utility model adopts the following technical scheme:
a fixture for expanding the processing range of a boring and milling machine is arranged on a workbench of the boring and milling machine, a plurality of parallel T-shaped grooves are arranged on the workbench of the boring and milling machine, and the fixture comprises a base platform and a moving platform moving relative to the base platform;
a positioning reference block is arranged at the bottom of the base platform and is matched with the T-shaped groove; the bottom of the base platform is provided with a plurality of T-shaped blocks matched with the T-shaped grooves, and the base platform is installed on the boring and milling machine workbench through the T-shaped blocks; the base platform is provided with 2 parallel linear rails, and two ends of at least one linear rail are provided with a limiting buffer mechanism;
the moving platform is arranged on the base platform, and a plurality of sliding blocks which are matched with the linear track are arranged at the bottom of the moving platform; the moving platform is provided with at least 2 screw rods, a pressure plate sleeved on the screw rods and a compression nut matched with the screw rods; the mobile platform is provided with at least 2 positioning reference pin shafts, and the positioning reference pin shafts are used for fixing the mobile platform and the base platform.
Preferably, a plurality of hinge screws and a cover plate for preventing the hinge screws from shifting are arranged at two side ends of the base platform in the length direction;
and the movable platform is provided with a groove matched with the hinge screw rod.
Preferably, the lower end of the hinge screw is fixed on the base platform;
the upper end part of the hinge screw rod is rotatably arranged in the groove and is fixed on the movable platform through a bolt.
Preferably, the limiting buffer mechanism comprises a limiting buffer support and a buffer arranged on the limiting buffer support.
Preferably, the bumper is a rubber bumper.
Preferably, the bottom of the mobile platform is provided with a step groove adapted to the sliding block.
Preferably, a plurality of support rods are arranged on the base platform, and the support rods support the mobile platform.
Preferably, 2 positioning reference pin shafts are arranged and installed on the outer side of the linear track;
shaft holes for mounting positioning reference pin shafts are formed in the base platform and the moving platform;
the shaft hole sets up 4 at least, the shaft hole is located straight line track homonymy.
Preferably, a gasket is arranged between the pressure plate and the compression nut.
Preferably, the base platform is provided with a hanging ring hole.
The utility model has the advantages that:
1. the fixture for expanding the processing range of the boring and milling machine adopts a superposition moving mode to expand the effective processing stroke range according to the appearance and the size of a workpiece, so that the fixture moving reference is consistent with the moving reference of the boring and milling machine workbench;
2. the fixture for expanding the processing range of the boring and milling machine can move the workpiece by a fixed displacement amount along the linear track after the workpiece is processed on one side, has flexible action, saves the secondary correction time of the workpiece, does not need repeated correction, unifies the standard, improves the interchangeability of parts and achieves the purpose of quick clamping;
3. the utility model discloses an extend boring and milling machine application range's anchor clamps solve the limited problem of boring and milling machine tool machining stroke through extending application range, satisfy the once clamping machine-shaping's of work piece requirement simultaneously, remove artifical secondary from and rectify, reduced the accumulative total error of machining process to improve work efficiency and work piece quality, effectively reduced the waste of manpower and materials, alleviateed operating personnel's intensity of labour, improve the security of operation.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of a fixture for clamping a workpiece, which expands the machining range of a boring and milling machine in the embodiment;
FIG. 2 is a schematic view of FIG. 1 taken along line K;
FIG. 3 is an enlarged view of the hinge screw and the cover plate in the present embodiment;
FIG. 4 is an enlarged view of the position limiting buffer mechanism in the present embodiment;
FIG. 5 is an enlarged view of the T-shaped block and the positioning reference block in the present embodiment;
FIG. 6 is a left side view of the fixture clamping a workpiece for expanding the machining range of the boring and milling machine in the embodiment;
FIG. 7 is a front view of the fixture for clamping a workpiece, which expands the machining range of the boring and milling machine in the embodiment;
FIG. 8 is a top view of the fixture for clamping a workpiece, which expands the machining range of the boring and milling machine in the embodiment;
FIG. 9 is a schematic structural diagram of a workpiece according to the present embodiment;
FIG. 10 is a schematic reference plane view of the present embodiment;
FIG. 11 is a schematic view of the left extreme position in this embodiment;
fig. 12 is a schematic diagram of the right limit position in the present embodiment.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way.
As shown in fig. 1 to 12, in the fixture for expanding the processing range of the boring and milling machine provided in this embodiment, the fixture is disposed on a boring and milling machine table 1, a plurality of T-shaped grooves parallel to each other are disposed on the boring and milling machine table 1, and the fixture includes a base platform 2 and a moving platform 3 sliding relative to the base platform 2;
as shown in fig. 1, 5, 6 and 10, a group (2 are a group) of positioning reference blocks 15 is arranged at the bottom of the base platform 2, and the positioning reference blocks 15 are adapted to the T-shaped groove and can be tightly matched with the T-shaped groove; the positioning reference block 15 is connected with the base platform 2 through a bolt, and the side surface of the positioning reference block 15 is tightly matched with a T-shaped groove reference surface C of the boring and milling machine workbench 1, which is parallel to the X axis on the boring and milling machine workbench 1.
As shown in fig. 1, 2, 4, 7 and 10, 2 linear rail grooves are transversely arranged on the base platform 2 for installing the linear rails 8, wherein a side reference D of the linear rail installation groove is parallel to a reference plane C formed by a positioning reference block 15 and a table T-shaped groove, so that a clamp transverse reference plane D is parallel to an X axis of the boring and milling machine table 1, and the reference principle is unified; two ends of at least one linear track 8 are provided with a limiting buffer mechanism; the limiting buffer mechanism is fixed on the base platform 2 through bolts; the limiting buffer mechanism comprises a limiting buffer support 12 and a buffer 14 arranged on the limiting buffer support 12, the buffer 14 is fixed on the limiting buffer support 12 through bolts, and the buffer 14 is a rubber buffer; wherein moving platform 3 is moving the in-process and appearing the overtravel phenomenon in the inevitable, adopts the effectual stroke that has restricted moving platform 3 of spacing buffer gear, stops the overtravel phenomenon, alleviates the displacement impact through spacing buffer gear, reduces the impact force to anchor clamps, effectively protects anchor clamps not destroyed, prevents that moving platform 3 from appearing the derailment phenomenon under the condition of exerting thrust.
As shown in fig. 1 and 5, a plurality of T-shaped blocks 18 matched with the T-shaped grooves are arranged at the bottom of the base platform 2, wherein the T-shaped blocks 18 are embedded in the T-shaped grooves, and the base platform 2 is mounted on the boring and milling machine table 1 through the T-shaped blocks 18 and bolts, so that the fixture is fixed on the boring and milling machine table 1.
As shown in fig. 1, 2, 3 and 7, a plurality of hinge screws 9 and a cover plate 10 for preventing the hinge screws 9 from being displaced are provided at both longitudinal side ends of the base platform 2; a groove 11 matched with the hinge screw 9 is formed on the movable platform 3; the lower end part of the hinge screw rod 9 is fixed on the base platform 2, the upper end part is rotatably arranged in the groove 11 and is fixed on the movable platform 3 through a nut; the base platform 2 and the moving platform 3 play roles of fast clamping and loosening in the connection process through the rotation of the hinge screw 9; the cover plate 10 is fixed on the base platform 2 through bolts, and can prevent the hinge screw 9 from slipping and falling off.
As shown in fig. 2 and 7, the base platform 2 is provided with a plurality of support rods 17, and when the hinge screw 9 clamps the moving platform 3, the support rods 17 are pressed against the moving platform 3 to prevent deformation.
As shown in fig. 1, 5, 6 and 7, the moving platform 3 is installed on the linear rail 8 of the base platform 2, a plurality of sliders 13 adapted to the linear rail 8 are arranged at the bottom of the moving platform 3, and the moving platform 3 moves relative to the base platform 2 through the sliders 13 and the linear rail 8; the sliding block 13 is arranged in a step groove which is formed at the bottom of the moving platform 3 and is matched with the sliding block 13; the moving platform 3 is precisely connected with the base platform 2 through the linear track 8 and the sliding block 13, so that the moving platform 3 can move precisely, and the machining precision of the workpiece 4 is guaranteed.
As shown in fig. 1, 7 and 8, at least 2 screws 6, a pressing plate 5 sleeved on the screws 6 and a compression nut 7 corresponding to the screws 6 are arranged on the moving platform 3; a gasket is arranged between the pressing plate 5 and the compression nut 7; when the device is used, a workpiece 4 is placed on the moving platform 3, and the workpiece 4 is pressed by manually adjusting and applying a clamping force through the pressure plate 5, the gasket and the nut.
As shown in fig. 2, 8 and 11, 2 positioning reference pin shafts 16 are arranged on the moving platform 3, the pin shaft holes formed in the moving platform 3 and the base platform 2 are paired, and 2 sets of pin shaft holes are arranged in total, so that the uniqueness of the mutual positions of the moving platform 3 and the base platform 2 determined by the positioning reference pin shafts 16 is ensured, after one side of the workpiece 4 is machined, the positioning reference pin shafts 16 are pulled out, and after the moving platform 3 moves by a fixed movement amount L2, the positioning reference pin shafts 16 are inserted, so that the rapid and accurate displacement positioning effect is achieved, meanwhile, no relative movement in the machining process of the workpiece 4 is ensured, and the smooth machining process is ensured.
As shown in fig. 1, a suspension ring hole 19 is formed on the base platform 1, and can be used for installing a suspension ring equipped for a fixture, so that the fixture can be conveniently lifted.
When the fixture for expanding the machining range of the boring and milling machine in the embodiment is used, firstly, the reference (such as reference plane A, B, C, D, E in fig. 10) of the fixture and the boring and milling machine workbench 1 is unified, and the positioning reference block 15 and the T-shaped block 18 are installed on the boring and milling machine workbench 1 (reference plane a, reference plane B, reference plane C and reference plane E), so that the base platform 2 is tightly matched with the boring and milling machine workbench 1, and the reference plane B formed by the positioning reference block 15 and the base platform 2 is parallel to the boring and milling machine workbench 1; fixing the moving platform 3 on the base platform 2, and fixing the moving platform 3 on the base platform 2 through a positioning reference pin 16 (here, the references of the base platform 2 and the moving platform 3 are unified, namely, a reference surface D and a reference surface C); then, the workpiece 4 is placed on the moving platform 3, the limit position hole on one side is aligned with the limit machining position (such as the left limit position in fig. 11 and the right limit position in fig. 12) on one side of the fixture, the effective machining stroke is ensured when the workpiece 4 is placed, then, the workpiece 4 is manually corrected, the workpiece 4 is corrected for once, the transverse line, the longitudinal line and the horizontal line of the workpiece 4 are respectively parallel to the X axis and the Y axis of the boring and milling machine workbench 1 and the plane of the boring and milling machine workbench 1, and after the correctness is confirmed, the workpiece 4 is fixed on the moving platform 3 through the screw 6, the pressing plate 5, the gasket and the nut; then, the workpiece 4 is processed according to the drawing processing requirements, after one side of the workpiece 4 is processed, the nut of the hinge screw 9 is loosened, the positioning reference pin shaft 16 is pulled out, the extension moving platform 3 is slightly pushed to the other side, the upper side and the lower side are aligned with the pin shaft hole, and the positioning reference pin shaft 16 is inserted, wherein the moving amount is the accurate moving amount L2 (see fig. 11 and 12), and L1 and L2 are constant; after the positioning reference pin shaft 16 is inserted, the hinge screw 9 is fixed again, the boring and milling machine workbench 1 is moved, the change of the numerical display value of the boring and milling machine is observed, and after the numerical display value reaches the expected position, the equipment can be operated to continue to process the other side of the workpiece 4. For example, the drawing requires that the movement amount is L, the fixture fixed movement amount is L2, the machine tool only needs to move by the distance of (L-L2), and the change of the numerical value of the boring and milling machine is noticed.
The fixture for expanding the processing range of the boring and milling machine of the utility model aims at finding the datum point, line and surface according to the appearance and size of the workpiece, and expands the effective processing stroke range by adopting a superposition moving mode, so that the fixture moving reference is unified with the boring and milling machine workbench moving reference; according to the fixture, after a workpiece is machined on one side, the workpiece is moved by a fixed displacement amount along the linear track, the action is flexible, the secondary correction time of the workpiece is saved, repeated correction is not needed, the interchangeability of parts is improved by unifying the reference, and the purpose of rapid clamping is achieved; the fixture solves the problem of limited machining stroke of a boring and milling machine tool by expanding the machining range, simultaneously meets the requirement of one-time clamping and machining forming of a workpiece, removes manual secondary correction, and reduces the accumulated error of a machining process, thereby improving the working efficiency and the workpiece quality, effectively reducing the waste of manpower and material resources, lightening the labor intensity of operators, and improving the operation safety.
To sum up, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. A fixture for expanding the processing range of a boring and milling machine is arranged on a workbench of the boring and milling machine, and a plurality of T-shaped grooves which are parallel to each other are arranged on the workbench of the boring and milling machine;
a positioning reference block is arranged at the bottom of the base platform and is matched with the T-shaped groove; the bottom of the base platform is provided with a plurality of T-shaped blocks matched with the T-shaped grooves, and the base platform is installed on the boring and milling machine workbench through the T-shaped blocks; the base platform is provided with 2 parallel linear rails, and two ends of at least one linear rail are provided with a limiting buffer mechanism;
the moving platform is arranged on the base platform, and a plurality of sliding blocks which are matched with the linear track are arranged at the bottom of the moving platform; the moving platform is provided with at least 2 screw rods, a pressure plate sleeved on the screw rods and a compression nut matched with the screw rods; the mobile platform is provided with at least 2 positioning reference pin shafts, and the positioning reference pin shafts are used for fixing the mobile platform and the base platform.
2. The jig of claim 1, wherein a plurality of hinge screws and a cover plate for preventing the hinge screws from being displaced are provided at both lengthwise-direction side ends of the base platform;
and the movable platform is provided with a groove matched with the hinge screw rod.
3. The clamp of claim 2, wherein a lower end of said hinge screw is secured to said base platform;
the upper end part of the hinge screw rod is rotatably arranged in the groove and is fixed on the movable platform through a bolt.
4. The clamp of claim 1, wherein the positive stop buffer mechanism comprises a positive stop buffer support and a buffer disposed on the positive stop buffer support.
5. The clamp of claim 4, wherein the bumper is a rubber bumper.
6. The clamp of claim 1, wherein the bottom of the movable platform is provided with a step groove adapted to the slide block.
7. The fixture of claim 1, wherein the base platform has a plurality of support rods thereon, the support rods supporting the mobile platform.
8. The jig of claim 1, wherein 2 of said positioning reference pins are provided, and are mounted on the outer side of said linear rail;
shaft holes for mounting positioning reference pin shafts are formed in the base platform and the moving platform;
the shaft hole sets up 4 at least, the shaft hole is located straight line track homonymy.
9. The clamp of claim 1, wherein a spacer is disposed between said pressure plate and said compression nut.
10. The clamp of any one of claims 1 to 9, wherein the base platform is provided with a shackle hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021105144.0U CN212552774U (en) | 2020-06-15 | 2020-06-15 | Clamp for expanding machining range of boring and milling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021105144.0U CN212552774U (en) | 2020-06-15 | 2020-06-15 | Clamp for expanding machining range of boring and milling machine |
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| Publication Number | Publication Date |
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| CN212552774U true CN212552774U (en) | 2021-02-19 |
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| CN202021105144.0U Active CN212552774U (en) | 2020-06-15 | 2020-06-15 | Clamp for expanding machining range of boring and milling machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113547344A (en) * | 2021-08-26 | 2021-10-26 | 湖南联诚轨道装备有限公司 | Boring machine workstation extension platform device |
-
2020
- 2020-06-15 CN CN202021105144.0U patent/CN212552774U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113547344A (en) * | 2021-08-26 | 2021-10-26 | 湖南联诚轨道装备有限公司 | Boring machine workstation extension platform device |
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