CN218363315U - Ram of gantry machining center - Google Patents
Ram of gantry machining center Download PDFInfo
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- CN218363315U CN218363315U CN202222613591.2U CN202222613591U CN218363315U CN 218363315 U CN218363315 U CN 218363315U CN 202222613591 U CN202222613591 U CN 202222613591U CN 218363315 U CN218363315 U CN 218363315U
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- supporting seat
- main shaft
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Abstract
The utility model discloses a longmen machining center ram, including supporting seat and ram main part, the ram main part is installed through the straight line module of lead screw in the inside of supporting seat, the straight line module of lead screw is installed on the inner wall of supporting seat one side, be provided with on the both sides outer wall of ram main part with two inner wall interconnect's of supporting seat slip guide structure, the main shaft main part is installed in the bottom rotation of ram main part, the moment of heeling to the ram main part production of axial force when slip guide structure is used for eliminating the cutting of main shaft main part, be provided with the inner groovy on the outer wall of ram main part one side. The utility model discloses the moment of heeling of axial force when eliminating the cutting of main shaft main part to the ram main part production, the life of extension Z axle guide rail and ram main part to avoid spindle motor to stand out the outside of ram main part, reduce the cross sectional dimension of ram main part, increase the range of work of lathe, can be suitable for the parts machining needs in dark chamber.
Description
Technical Field
The utility model relates to a longmen machining center technical field specifically is a longmen machining center ram.
Background
The gantry machining center is a machining center with a main shaft axis perpendicular to a workbench, the whole structure is a gantry frame, the gantry frame is composed of double columns and a top beam, a cross beam is arranged in the middle, the gantry machining center is particularly suitable for machining large-sized workpieces and workpieces with complex shapes, the gantry machining center is divided into a fixed beam type, a crown block type, a movable beam type and a movable beam type, and the like, and the gantry machining center is widely applied to high-end manufacturing industries such as molds, aviation, aerospace, rail transit, automobiles, household appliances, medical treatment and the like. The ram is one of main component parts of a gantry machining center, a main shaft is fixed on the ram, the ram moves on a support seat in a Z-axis mode, however, the existing ram is not located on the same plane with the center of the main shaft at the arrangement center of a Z-axis guide rail, a roll moment can be generated, the stress condition of the Z-axis guide rail is poor, in addition, a main shaft driving motor of the ram is generally located outside the ram and protrudes out of the ram by about 300mm, an interference area is easily formed between the ram and the machined part when a deep cavity part is machined, and the machining range of a machine tool is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a longmen machining center ram to propose the ram in the Z axle direction lift in-process among the solution above-mentioned background art, the Z axle guide rail receives the moment of heeling and is difficult to be applicable to the problem that the dark chamber part carries out processing.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a longmen machining center ram, includes supporting seat and ram main part, the ram main part is installed through the straight line module of lead screw in the inside of supporting seat, and the straight line module of lead screw is installed on the inner wall of supporting seat one side, be provided with the slip guide structure with two inner wall interconnect of supporting seat on the both sides outer wall of ram main part, the bottom of ram main part is rotated and is installed main shaft main part, and the axial force that the slip guide structure was used for eliminating when main shaft main part cuts heels the moment to the ram main part production, be provided with the inner groovy on the outer wall of ram main part one side, the inside one end of inner groovy is fixed with the main shaft motor seat, main shaft motor is installed on the top of main shaft motor seat, the shaft coupling of interconnect in main shaft main part top is installed to main shaft motor's rotatory end bottom, main shaft motor hides the inside of inner groovy, the top of supporting seat is provided with the rotatory driving piece that drives the straight line module of lead screw work, the both sides on supporting seat top all are provided with the balanced guide structure that reduces ram main part feed pressure from top to bottom.
Preferably, the sliding guide structure comprises a plurality of groups of Z-axis guide rails and sliders, the sliders are fixed on two inner walls of the supporting seat, the Z-axis guide rails are fixed on two outer walls of the ram main body, and the Z-axis guide rails are in sliding fit with the sliders.
Preferably, the positions of the plurality of groups of Z-axis guide rails are symmetrically distributed along the central point of the main shaft body, so that the action line of the axial force during cutting of the main shaft body coincides with the center of the Z-axis guide rails.
Preferably, the rotary driving piece is a bracket fixed on the top end of the supporting seat and a U-shaped seat fixed on the top end of the bracket, a Z-axis driving motor is installed on the top end of the U-shaped seat, the rotary end of the Z-axis driving motor is fixedly connected with the top end of a ball screw in the screw linear module, and the ram main body is installed on the outer wall of a ball nut pair in the screw linear module.
Preferably, a Y-axis nut seat is fixed on the outer wall of one side of the support seat.
Preferably, balanced guide structure is balanced cylinder body, balanced cylinder piston rod and balanced cylinder support, the top at the supporting seat is installed to balanced cylinder body, balanced cylinder piston rod is installed on the both sides outer wall of balanced cylinder support, the top of balanced cylinder support and the top fixed connection of ram main part.
Compared with the prior art, the beneficial effects of the utility model are that: according to the ram of the gantry machining center, the side tilting moment generated by the axial force generated by the main shaft body during cutting is eliminated through the sliding guide structure, the service lives of a Z-axis guide rail and the ram body are prolonged, the machining precision of the gantry machining center is improved, the working load of a Z-axis driving motor is reduced through the balance guide structure, the feeding speed of the gantry machining center is improved more easily, the main shaft motor and the main shaft motor seat are arranged in the inner groove of the ram body, the main shaft motor does not need to protrude out of the ram body, the section size of the ram body is reduced, the machining range of a machine tool is increased, and the ram can be suitable for the requirements of deep-cavity part machining.
Drawings
Fig. 1 is a schematic side view of the present invention;
fig. 2 is a schematic view of the structure of the present invention;
fig. 3 is a schematic perspective view of the present invention;
fig. 4 is a schematic top view of the present invention;
in the figure: 1. a ram body; 2. a Z-axis guide rail; 3. a slider; 4. an inner groove; 5. a spindle motor; 6. a supporting seat; 601. a Y-axis nut seat; 602. a bracket; 603. a U-shaped seat; 7. a coupling; 8. a spindle motor base; 9. a main shaft body; 10. a Z-axis drive motor; 11. a balance cylinder support; 12. a balance cylinder piston rod; 13. the balance cylinder body.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: a ram of a gantry machining center comprises a supporting seat 6 and a ram main body 1, wherein a Y-axis nut seat 601 is fixed on the outer wall of one side of the supporting seat 6, the ram main body 1 is installed inside the supporting seat 6 through a lead screw linear module, and the lead screw linear module is installed on the inner wall of one side of the supporting seat 6;
the top end of the supporting seat 6 is provided with a rotary driving piece for driving the screw rod linear module to work;
the rotary driving piece is a bracket 602 fixed at the top end of the supporting seat 6 and a U-shaped seat 603 fixed at the top end of the bracket 602, a Z-axis driving motor 10 is installed at the top end of the U-shaped seat 603, the rotary end of the Z-axis driving motor 10 is fixedly connected with the top end of a ball screw in the screw linear module, and the ram main body 1 is installed on the outer wall of a ball nut pair in the screw linear module;
the Z-axis driving motor 10 drives the ball screw to rotate, and the ball screw can drive the ball nut pair and the ram main body 1 to slide up and down on the Z axis when rotating;
the outer walls of two sides of the ram main body 1 are provided with sliding guide structures mutually connected with two inner walls of the supporting seat 6, the bottom end of the ram main body 1 is rotatably provided with a main shaft main body 9, the sliding guide structures are used for eliminating the roll moment generated by the axial force generated by the main shaft main body 9 during cutting on the ram main body 1, the sliding guide structures comprise a plurality of groups of Z-axis guide rails 2 and sliders 3, the plurality of groups of sliders 3 are fixed on the two inner walls of the supporting seat 6, the plurality of groups of Z-axis guide rails 2 are fixed on the two outer walls of the ram main body 1, and the Z-axis guide rails 2 are in sliding fit with the sliders 3;
the positions of the Z-axis guide rails 2 are symmetrically distributed along the central point of the main shaft body 9, so that the action line of the axial force during cutting of the main shaft body 9 is superposed with the center of the Z-axis guide rails 2;
because the slide block 3 is fixed on the inner wall of the supporting seat 6, when the ram main body 1 and the Z-axis guide rails 2 slide, the Z-axis guide rails 2 can slide in the slide block 3, and a plurality of groups of Z-axis guide rails 2 on the outer wall of the ram main body 1 are symmetrically distributed about the center of the main shaft main body 9, so that the action line of the axial force generated when the main shaft main body 9 is cut is superposed with the center of the Z-axis guide rails 2, the roll moment generated by the axial force generated when the main shaft main body 9 is cut on the ram main body 1 is eliminated, and the service lives of the Z-axis guide rails 2 and the ram main body 1 are prolonged;
be provided with inner groovy 4 on the outer wall of ram main part 1 one side, the inside one end of inner groovy 4 is fixed with spindle motor seat 8, spindle motor 5 is installed on spindle motor seat 8's top, spindle motor 5 can stretch into the inside of ram main part 1 through spindle motor seat 8 and install for spindle motor 5 needn't be outstanding to the outside of ram main part 1, reduces the cross sectional dimension of ram main part 1, increases the processing scope of lathe, can be suitable for the part machining needs in dark chamber.
The bottom end of the rotating end of the spindle motor 5 is provided with a coupler 7 which is mutually connected with the top end of the spindle main body 9, the spindle motor 5 is hidden inside the inner groove 4, and the ram main body 1 and the spindle main body 9 are directly connected by the coupler 7, so that the transmission precision is increased, and the maintenance work of equipment is reduced;
both sides of the top end of the supporting seat 6 are provided with balance guide structures for reducing the up-and-down feeding pressure of the ram body 1;
the balance guide structure comprises a balance cylinder body 13, a balance cylinder piston rod 12 and a balance cylinder support 11, the balance cylinder body 13 is installed on the top end of the support seat 6, the balance cylinder piston rod 12 is installed on the outer walls of the two sides of the balance cylinder support 11, the top of the balance cylinder support 11 is fixedly connected with the top end of the ram main body 1, the balance cylinder bodies 13 arranged on the two sides of the ram main body 1 balance the weight of the ram main body 1, the weight of the Z-axis guide rail 2 and other parts through hydraulic pressure, the work load of the Z-axis drive motor 10 is reduced, and the feeding speed of the gantry machining center is improved more easily.
When the gantry machining center is used, firstly, the Z-axis driving motor 10 drives the ball screw to rotate, the ball screw can drive the ball nut pair and the ram main body 1 to slide up and down on a Z axis when rotating, and the slide block 3 is fixed on the inner wall of the support seat 6, so that when the ram main body 1 and the Z-axis guide rail 2 slide, the Z-axis guide rail 2 can slide in the slide block 3, and a plurality of groups of Z-axis guide rails 2 on the outer wall of the ram main body 1 are symmetrically distributed relative to the center of the main shaft main body 9, so that the action line of an axial force during cutting of the main shaft main body 9 is superposed with the center of the Z-axis guide rail 2, the roll moment of the axial force during cutting of the main shaft main body 9 on the ram main body 1 is eliminated, the service lives of the Z-axis guide rail 2 and the ram main body 1 are prolonged, the machining precision of the gantry machining center is improved, meanwhile, the balance cylinder bodies 13 arranged on two sides of the ram main body 1 balance the weights of the ram main body 1, the Z-axis guide rail 2 and other parts through hydraulic pressure, the work load of the Z-axis driving motor 10 is reduced, and the feed speed of the gantry machining center is improved;
the inner groove 4 convenient for mounting the spindle motor 5 is formed in the ram main body 1, and the spindle motor 5 can stretch into the ram main body 1 through the spindle motor seat 8 and be mounted, so that the spindle motor 5 does not need to protrude out of the ram main body 1, the section size of the ram main body 1 is reduced, the machining range of a machine tool is increased, and the deep-cavity part machining requirement can be met.
Claims (6)
1. The utility model provides a longmen machining center ram which characterized in that: including supporting seat (6) and ram main part (1), ram main part (1) is installed through the straight line module of lead screw in the inside of supporting seat (6), and the straight line module of lead screw is installed on the inner wall of supporting seat (6) one side, be provided with the slip guide structure with two inner wall interconnect of supporting seat (6) on the both sides outer wall of ram main part (1), main shaft main part (9) are installed in the bottom rotation of ram main part (1), and axial force when slip guide structure is used for eliminating main shaft main part (9) cutting is to the moment of heeling that ram main part (1) produced, be provided with inner grove (4) on the outer wall of ram main part (1) one side, the inside one end of inner grove (4) is fixed with main shaft motor seat (8), main shaft motor (5) are installed on the top of main shaft motor seat (8), shaft coupling (7) with main shaft main part (9) top interconnect are installed to the rotatory end bottom of main shaft motor (5), the inside of recess (4) including main shaft motor (5) are hidden, the top of supporting seat (6) is provided with the driving piece of the straight line module work, the rotatory top of lead screw (6) is provided with the balanced guide structure that feeds and all reduces about the both sides of ram main part (1).
2. The ram of a gantry machining center of claim 1, wherein: the sliding guide structure comprises a plurality of groups of Z-axis guide rails (2) and sliders (3), the sliders (3) are fixed on two inner walls of the supporting seat (6), the Z-axis guide rails (2) are fixed on two outer walls of the ram main body (1), and the Z-axis guide rails (2) are in sliding fit with the sliders (3).
3. The gantry machining center ram of claim 2, wherein: the positions of the Z-axis guide rails (2) are symmetrically distributed along the central point of the main shaft body (9), so that the action line of the axial force during cutting of the main shaft body (9) is superposed with the center of the Z-axis guide rails (2).
4. The ram of a gantry machining center of claim 1, wherein: the rotary driving piece is a bracket (602) fixed on the top end of a supporting seat (6) and a U-shaped seat (603) fixed on the top end of the bracket (602), a Z-axis driving motor (10) is installed on the top end of the U-shaped seat (603), the rotary end of the Z-axis driving motor (10) is fixedly connected with the top end of a ball screw in the linear module of the screw rod, and a ram main body (1) is installed on the outer wall of a ball nut pair in the linear module of the screw rod.
5. The ram of a gantry machining center of claim 1, wherein: and a Y-axis nut seat (601) is fixed on the outer wall of one side of the supporting seat (6).
6. The ram of a gantry machining center of claim 1, wherein: the balance guide structure comprises a balance cylinder body (13), a balance cylinder piston rod (12) and a balance cylinder support (11), the balance cylinder body (13) is installed on the top end of the supporting seat (6), the balance cylinder piston rod (12) is installed on the outer walls of the two sides of the balance cylinder support (11), and the top of the balance cylinder support (11) is fixedly connected with the top end of the ram main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222613591.2U CN218363315U (en) | 2022-09-30 | 2022-09-30 | Ram of gantry machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222613591.2U CN218363315U (en) | 2022-09-30 | 2022-09-30 | Ram of gantry machining center |
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| Publication Number | Publication Date |
|---|---|
| CN218363315U true CN218363315U (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222613591.2U Active CN218363315U (en) | 2022-09-30 | 2022-09-30 | Ram of gantry machining center |
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| CN (1) | CN218363315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116079107A (en) * | 2023-02-17 | 2023-05-09 | 青岛中集集装箱制造有限公司 | Drilling equipment |
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2022
- 2022-09-30 CN CN202222613591.2U patent/CN218363315U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116079107A (en) * | 2023-02-17 | 2023-05-09 | 青岛中集集装箱制造有限公司 | Drilling equipment |
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