CN214264765U

CN214264765U - Circular fixed foundation of gantry machining center

Info

Publication number: CN214264765U
Application number: CN202120187850.2U
Authority: CN
Inventors: 张锦峥; 刘天章; 李鑫
Original assignee: Beijing Aerospace Huashi Technology Co ltd
Current assignee: Beijing Aerospace Huashi Technology Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-09-24
Anticipated expiration: 2031-01-22

Abstract

The utility model relates to a circular fixed basis of longmen machining center, it sets up on longmen machining center's workstation, has evenly seted up a plurality of T type strip holes on the workstation, and the circular fixed basis of longmen machining center is including placing the soleplate on the workstation, and soleplate is a plectane, and soleplate's the outside is provided with at least three mounting, the mounting is including setting up the workstation top and with the fixed plate of soleplate global mutual butt, still is provided with a slider in the T type strip hole of fixed plate below, has seted up fixed screw on the slider, has seted up a through-hole on the fixed plate, wears to be equipped with one in the through-hole with fixed screw thread fit's fixing bolt. This application has the effect that improves circular workpiece at workstation fixed surface's stability.

Description

Circular fixed foundation of gantry machining center

Technical Field

The application relates to the field of numerical control machine tools, in particular to a circular fixed foundation of a gantry machining center.

Background

The gantry machining center is a machining center with the axis of the main shaft perpendicular to the workbench and is suitable for machining large-sized workpieces and workpieces with complex shapes.

The gantry machining center has an integral structure comprising a gantry frame, a double-column and a top beam, wherein a central spindle is vertically arranged on the top beam, and various cutters can be mounted on the central spindle. A workbench is arranged below the central main shaft.

When working, the worker needs to fix the workpiece on the worktable. However, the work table is not stable enough for fixing some workpieces with circular cross sections, thereby affecting the accuracy of the workpiece in cutting.

SUMMERY OF THE UTILITY MODEL

In order to improve circular work piece in workstation fixed surface's stability, this application provides the circular fixed basis of longmen machining center.

The application provides a circular fixed basis of longmen machining center adopts following technical scheme:

the circular fixed foundation of the gantry machining center is arranged on a workbench of the gantry machining center, a plurality of T-shaped strip holes are uniformly formed in the workbench, the circular fixed foundation comprises a base bottom plate placed on the workbench, the base bottom plate is a circular plate, at least three fixing pieces are arranged on the outer side of the base bottom plate,

the mounting is including setting up the workstation top and with the fixed plate of the global mutual butt of soleplate, still is provided with a slider in the T type strip hole of fixed plate below, has seted up fixed screw on the slider, has seted up a through-hole on the fixed plate, wear to be equipped with in the through-hole one with fixed screw thread fit's fixing bolt.

Through adopting above-mentioned technical scheme, when the staff need fix circular workpiece on the workstation, at first the staff with the soleplate place the workstation on, then place three mounting respectively on soleplate's outer peripheral face, the central angle that the arc length is right between two adjacent mountings is less than 180. Then the staff revolves wrong fixing bolt for fixing bolt is with slider and fixed plate interconnect, and fix on the workstation, and the lateral wall butt of fixed plate is on soleplate's global this moment, thereby soleplate is fixed on the workstation, and further staff can install circular workpiece on soleplate, and the installation of circular workpiece can adopt modes such as bolt fastening, joint according to particular case. The mounting is mutually supported with the soleplate, has improved stability and convenience that circular workpiece installed at the workstation upper surface, has made things convenient for and has processed the work piece.

Optionally, a chamfer convenient for inserting the fixing bolt into the fixing screw hole is formed at the edge of the opening of the fixing screw hole.

Through adopting above-mentioned technical scheme, when fixing bolt inserted inside the fixed screw, fixing bolt's tip at first contacted each other with the inclined plane of chamfer to make fixing bolt can be more smooth insert into the fixed screw through the guide effect on inclined plane, improved fixed plate and slider reciprocal anchorage's convenience.

Optionally, the fixed plate is seted up towards the one side of soleplate and is laminated the butt cambered surface each other with soleplate.

Through adopting above-mentioned technical scheme, when the staff revolves to twist fixing bolt and fixes the fixed plate at the workstation upper surface, the butt cambered surface pastes each other with soleplate's global and pastes, and setting up of butt cambered surface has increased the fixed plate and has pressed from both sides the fixed regularly area of contact to soleplate to the stability that soleplate is fixed has been improved.

Optionally, one side of the fixed plate, which is away from the slider, is provided with a pressing plate for pressing the upper surface of the foundation slab, the fixed plate is fixedly connected with a connecting screw rod vertically, a connecting hole for allowing the connecting screw rod to pass is formed in the pressing plate, and one side of the pressing plate, which is away from the fixed plate, is provided with a compression nut which is matched with the connecting screw rod.

By adopting the technical scheme, the pressing plate can be screwed by a worker so that the pressing plate is pressed on the upper surface of the foundation slab, and the fixing stability of the foundation slab is further improved.

Optionally, the number of the connecting screw rods is two, the extending directions of the two connecting screw rods are arranged along the radial direction of the abutting arc surface, and two connecting holes are arranged correspondingly.

Through adopting above-mentioned technical scheme, the setting of two connecting rods for the clamp plate is more even to soleplate's overdraft, thereby makes the clamp plate more stable to soleplate's fixed.

Optionally, the connecting hole is a hole, and the length direction of the connecting hole is arranged along the arrangement direction of the two connecting screws.

Through adopting above-mentioned technical scheme, the setting in strip hole for the staff can also slide the clamp plate along the length direction in strip hole, makes the lateral wall butt of clamp plate on circular workpiece global, thereby further improvement the stability of circular workpiece fixed on the workstation.

Optionally, a first cushion block is arranged between the pressing plate and the foundation slab.

Through adopting above-mentioned technical scheme, first cushion pad is established between clamp plate and soleplate to reduced the local pressure that the clamp plate was used for soleplate, protected soleplate.

Optionally, a second cushion block is arranged between the pressing plate and the fixing plate, and the connecting screw rod is located between the first cushion block and the second cushion block.

Through adopting above-mentioned technical scheme, the setting of second cushion for the one end that first cushion was kept away from to the clamp plate can be pressed and is established the upper surface at the second cushion, thereby makes the atress of clamp plate more even, thereby has improved the fixed stability of clamp plate to the soleplate.

Optionally, one side of the second cushion block, which is far away from the fixed plate, is provided with a tight abutting inclined surface, the tight abutting inclined surface is arranged towards the foundation slab, and one side of the pressing plate, which is towards the second cushion block, is provided with a matching inclined surface which is matched with the tight abutting inclined surface.

Through adopting above-mentioned technical scheme, when clamp plate and second cushion compress tightly each other, support tight inclined plane and cooperate the inclined plane to paste each other and lean on to support tight inclined plane and provide a thrust towards the soleplate centre of a circle direction for the clamp plate, thereby the side of clamp plate can be inseparabler paste on circular workpiece, improved the stability that the clamp plate is fixed circular workpiece.

Optionally, a clamping groove is formed in one surface, facing the second cushion block, of the fixing plate, clamping strips matched with the clamping groove are fixedly connected to the corresponding second cushion block, and the length direction of each clamping strip is perpendicular to the extending direction of the two connecting screw rods.

Through adopting above-mentioned technical scheme, the card strip card is established in the draw-in groove to second cushion and fixed plate interconnect, draw-in groove and the mutually supporting of card strip have restricted second cushion and fixed plate to lay the slip of direction along connecting screw when having improved fixed plate and second cushion connection stability, thereby have improved and have supported the effect that tight inclined plane promotes the clamp plate and compress tightly circular workpiece.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the stability of fixing the circular workpiece on the gantry machining center is improved, and the foundation bottom plate can be clamped and fixed on the workbench by the three fixing pieces, so that the workpiece can be conveniently machined;

2. the clamp plate is pressing to establish fixedly to the foundation slab, and the lateral wall of clamp plate can also carry out the centre gripping to the circular work piece of installing in foundation slab top fixedly to further improved the fixed stability of work piece.

Drawings

Fig. 1 is a schematic view of an operating state of a circular fixing base for fixing a circular workpiece according to an embodiment of the present application.

FIG. 2 is a schematic view showing the connection between the fixing member and the circular base;

figure 3 is an enlarged view of detail a in figure 2 and shows the fastener.

Description of reference numerals: 1. a work table; 11. t-shaped bar holes; 2. a foundation slab; 3. a fixing member; 4. a fixing plate; 41. a through hole; 42. fixing the bolt; 43. accommodating grooves; 44. abutting against the arc surface; 45. connecting a screw rod; 46. a card slot; 47. a mating bevel; 5. a slider; 51. fixing screw holes; 6. pressing a plate; 61. a bar hole; 62. a compression nut; 7. a first cushion block; 8. a second cushion block; 81. clamping the strip; 82. the inclined plane is tightly propped.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses circular fixed basis of longmen machining center. Referring to fig. 1, a circular fixing base is arranged on a workbench 1 of a gantry machining center, and a T-shaped strip hole 11 is formed in the workbench 1. The circular fixed foundation comprises a foundation slab 2 arranged on the workbench 1, the foundation slab 2 is a circular plate, three fixing pieces 3 are arranged on the outer side of the foundation slab 2, the fixing pieces 3 are arranged in the T-shaped strip holes 11, and the fixing pieces 3 abut against the outer side of the foundation slab 2, so that the foundation slab 2 is fixed on the workbench 1.

As shown in fig. 2 and 3, the fixing member 3 includes a fixing plate 4 disposed above the worktable 1, and a slider 5 disposed in the T-bar hole 11, wherein a fixing screw hole 51 is vertically formed on a surface of the slider 5 facing the fixing plate 4. A through hole 41 is formed on the corresponding fixing plate 4, a fixing bolt 42 is inserted into the fixing screw hole 51 in the through hole 41, and the fixing bolt 42 is a hexagon socket head cap screw. An accommodating groove 43 is further formed in the outer edge of one end, away from the slider 5, of the through hole 41, the head of the fixing bolt 42 is embedded in the accommodating groove 43 and is mutually clamped with the bottom wall of the accommodating groove 43, and the fixing bolt 42 is in threaded fit with the fixing screw hole 51, so that the fixing plate 4 and the slider 5 are mutually fixed. One surface of the fixing plate 4 facing the foundation slab 2 is provided with an abutting arc surface 44 matched with the radian of the outer peripheral surface of the foundation slab 2. When the worker screws the fixing bolt 42 to fix the fixing plate 4 on the upper surface of the workbench 1, the abutting arc surface 44 abuts against the circumferential surface of the foundation slab 2, and the three fixing members 3 are respectively installed in the corresponding T-shaped bar holes 11, so that the foundation slab 2 is clamped and fixed. And then the staff can place circular workpiece on soleplate 2, according to circular workpiece's actual conditions, can adopt bolted connection, mode such as joint with circular workpiece in soleplate 2 to the stability of workstation 1 fixed to circular workpiece has been improved.

In order to facilitate the insertion of the fixing bolt 42 into the fixing screw hole 51 and the threaded connection with the fixing screw hole 51, the opening edge of the fixing screw hole 51 is chamfered, and when the fixing bolt 42 is inserted into the fixing screw hole 51, the end of the fixing bolt 42 is firstly contacted with the chamfer of the chamfer, so that the fixing bolt 42 can be inserted into the fixing screw hole 51 more smoothly through the guiding function of the chamfer, and the convenience of the mutual fixation of the fixing plate 4 and the slider 5 is improved.

As shown in fig. 2 and 3, a connecting screw 45 is fixedly connected to a surface of the fixing plate 4 facing away from the slider 5, an axial direction of the connecting screw 45 is perpendicular to a plane where the fixing plate 4 is located, two connecting screws 45 are provided, and the two connecting screws 45 are radially distributed on the fixing plate 45 along the abutting arc surface 44. The one side that fixed plate 4 deviates from slider 5 still is provided with a clamp plate 6, offers the clamp plate 6 that holds connecting screw 45 and pass on the clamp plate 6, and the length direction of strip hole 61 is on a parallel with the length direction setting of clamp plate 6, and strip hole 61 is provided with two along self length direction. The two connecting screws 45 correspondingly pass through the two bar holes 61, and a compression nut 62 is arranged on the side of the fixing plate 4 facing away from the slide block 5. The staff can establish clamp plate 6 cover on connecting screw 45, then revolves to twist gland nut 62 for clamp plate 6 presses the upper surface at soleplate 2, thereby further fixes soleplate 2, has improved the fixed stability of soleplate 2. The setting of a hole 61, when placing circular workpiece on soleplate 2, the staff can control clamp plate 6 and slide along the length direction of a hole 61 for the terminal surface of clamp plate 6 can the butt on circular workpiece global, and three clamp plate 6 supports the back tightly global with circular workpiece simultaneously, fixes circular workpiece, thereby has improved the stability of circular fixed basis in to the work piece is fixed.

As shown in fig. 2 and 3, one end of the pressing plate 6 close to the foundation slab 2 is provided with a first spacer 7, the first spacer 7 is located between the pressing plate 6 and the foundation slab 2, and when the pressing nut 62 is screw-engaged with the connecting screw 45, the pressing nut 62 presses the pressing plate 6, so that the pressing plate 6 presses the first spacer 7 against the upper surface of the foundation slab 2. The first cushion block 7 is arranged between the pressing plate 6 and the foundation slab 2 in a cushioning mode, so that the local pressure of the pressing plate 6 acting on the foundation slab 2 is reduced, the pressing plate 6 and the foundation slab 2 are protected, and meanwhile, the stability of the pressing plate 6 arranged above the foundation slab 2 in a pressing mode is improved.

As shown in fig. 2 and 3, a second spacer 8 is further disposed between the pressing plate 6 and the fixing plate 4, and the second spacer 8 is located on a side of the connecting screw 45 away from the first spacer 7. When the pressing nut 62 presses the pressing plate 6 and the first cushion block 7 onto the upper surface of the foundation slab 2, the second cushion block 8 is supported between the pressing plate 6 and the fixing plate 4, so that the pressing plate 6 is stressed more uniformly, and the pressing stability of the pressing plate 6 on the foundation slab 2 is improved.

As shown in fig. 2 and 3, a plurality of slots 46 are formed in one surface of the fixing plate 4 facing the second cushion block 8, the plurality of slots 46 are arranged along the extending direction of the two connecting screws 45, the length direction of the slots 46 is perpendicular to the distribution direction of the plurality of slots 46, and two ends of the length direction of the slots 46 are respectively flush with the corresponding side walls of the fixing plate 4. The one side of second cushion 8 towards fixed plate 4 offers the card strip 81 of mutually supporting with draw-in groove 46, and the card strip 81 card is established in draw-in groove 46 to second cushion 8 and fixed plate 4 interconnect. One side of the second cushion block 8 facing the pressing plate 6 is provided with a tight abutting inclined surface 82, the tight abutting inclined surface 82 is arranged facing the foundation slab 2, one side of the corresponding pressing plate 6 facing the second cushion block 8 is provided with a matching inclined surface 47 matched with the tight abutting inclined surface 82, and the inclination degree of the matching inclined surface 47 is the same as that of the tight abutting inclined surface 82. When the pressing nut 62 presses the pressing plate 6 toward the fixing plate 4, the pressing plate 6 generates a thrust toward the center of the circle of the base plate 2 by abutting the abutting inclined surface 82 against the matching inclined surface 47, and further abuts against the circumferential surface of the circular workpiece, so that the stability of fixing the center of the circle of the workpiece is improved. The mutual cooperation of the clamping groove 46 and the clamping strip 81 improves the connection stability of the fixing plate 4 and the second cushion block 8, and simultaneously limits the sliding of the second cushion block 8 and the fixing plate 4 along the arrangement direction of the connecting screw rod 45, so that the effect of pressing the pressing plate 6 to compress the round workpiece by abutting against the tight inclined plane 82 is improved.

The implementation principle of the circular fixed basis of gantry machining center of the embodiment of the application is as follows: when the staff is fixing circular part at workstation 1, at first the staff places soleplate 2 at workstation 1 upper surface, then at soleplate 2's outside installation mounting 3, the staff is when installation mounting 3, at first slides slider 5 in T type strip hole 11, then uses fixing bolt 42 to fix slider 5 and fixed plate 4 each other, soleplate 2 is fixed 4 separately this moment, and the staff can place circular workpiece in soleplate 2 top. Then, the worker mounts the pressing plate 6 above the fixed plate 4, and causes one end of the pressing plate 6 to abut on the circumferential surface of the circular workpiece, and finally screws the pressing nut 62 to fix the pressing plate 6 and the fixed plate 4, thereby completing the operation of mounting the circular workpiece on the table 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Circular fixed basis of longmen machining center sets up on longmen machining center's workstation (1), has evenly seted up a plurality of T type strip holes (11), its characterized in that on workstation (1): comprises a base bottom plate (2) arranged on a workbench (1), the base bottom plate (2) is a circular plate, at least three fixing pieces (3) are arranged on the outer side of the base bottom plate (2),

the fixing piece (3) comprises a fixing plate (4) which is arranged above the workbench (1) and is mutually abutted with the peripheral surface of the foundation slab (2), a sliding block (5) is further arranged in a T-shaped strip hole (11) below the fixing plate (4), a fixing screw hole (51) is formed in the sliding block (5), a through hole (41) is formed in the fixing plate (4), and a fixing bolt (42) in threaded fit with the fixing screw hole (51) is arranged in the through hole (41) in a penetrating mode.

2. The circular fixed basis of longmen machining center of claim 1, characterized in that: and a chamfer convenient for inserting the fixing bolt (42) into the fixing screw hole (51) is formed at the edge of the opening of the fixing screw hole (51).

3. The circular fixed basis of longmen machining center of claim 1, characterized in that: the one side of fixed plate (4) orientation soleplate (2) is seted up butt cambered surface (44) of laminating each other with soleplate (2).

4. The circular fixed basis of longmen machining center of claim 2, characterized in that: one side of the fixed plate (4) departing from the sliding block (5) is provided with a pressing plate (6) used for pressing the upper surface of the foundation slab (2), the fixed plate (4) is vertically and fixedly connected with a connecting screw rod (45), the pressing plate (6) is provided with a connecting hole for accommodating the connecting screw rod (45) to pass through, and one side of the pressing plate (6) departing from the fixed plate (4) is provided with a pressing nut (62) mutually matched with the connecting screw rod (45).

5. The circular fixed basis of longmen machining center of claim 4, characterized in that: the number of the connecting screw rods (45) is two, the extending directions of the two connecting screw rods (45) are arranged along the radial direction of the abutting cambered surface (44), and the number of the connecting screw rods is two corresponding to the connecting holes.

6. The circular fixed basis of longmen machining center of claim 5, characterized in that: the connecting hole is a hole (61), and the length direction of the connecting hole is arranged along the arrangement direction of the two connecting screw rods (45).

7. The circular fixed basis of longmen machining center of claim 6, characterized in that: a first cushion block (7) is arranged between the pressing plate (6) and the foundation slab (2).

8. The gantry machining center circular fixed foundation of claim 6 or 7, wherein: a second cushion block (8) is arranged between the pressing plate (6) and the fixing plate (4), and the connecting screw rod (45) is positioned between the first cushion block (7) and the second cushion block (8).

9. The gantry machining center circular fixed foundation of claim 8, wherein: one side, deviating from the fixing plate (4), of the second cushion block (8) is provided with a tight abutting inclined surface (82), the tight abutting inclined surface (82) is arranged towards the foundation bottom plate (2), and one side, facing the second cushion block (8), of the pressing plate (6) is provided with a matching inclined surface (47) matched with the tight abutting inclined surface (82).

10. The gantry machining center circular fixed foundation of claim 9, wherein: draw-in groove (46) have been seted up towards the one side of second cushion (8) on fixed plate (4), correspond on second cushion (8) rigid coupling have with draw-in groove (46) mutually supporting card strip (81), the extending direction setting of two connecting screw (45) of length direction perpendicular to of card strip (81).