Novel lathe bed structure

Abstract

The utility model discloses a novel lathe bed structure, which relates to the technical field of horizontal machining centers and comprises a Z-axis lathe bed base, a Z-axis sliding rail is arranged on the upper end face of the Z-axis lathe bed base, and a transverse frame mounting seat is arranged on the rear side of the upper end of the Z-axis lathe bed base. According to the novel lathe bed structure, the Z-axis lathe bed base, the transverse frame installation base, the X-axis lathe bed transverse frame and the like are arranged, the lathe bed structure is composed of the Z-axis lathe bed base and the X-axis lathe bed transverse frame, and the guide rail straightness of the Z-axis lathe bed base and the guide rail straightness of the X-axis lathe bed transverse frame can be guaranteed through grinding machining and micro-scraping; the perpendicularity can be adjusted through the left adjusting block and the right adjusting block on the rear portion of the transverse frame installation base, after the perpendicularity is adjusted to the required index, the perpendicularity is pressed through the left wedge-shaped pressing block and the right wedge-shaped pressing block, then the connecting screws are fastened, the rigidity after connection is guaranteed, the perpendicularity of the X axis and the Z axis can be rapidly controlled to be about 5 micrometers according to the adjusting mode, and finally the assembling technology is optimized. And the assembling efficiency and the assembling precision are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of horizontal machining centers, in particular to a new bed structure. Background Art

[0002] The bed structure of the traditional horizontal machining center adopts an integral casting structure. The bed of the positive T-shaped horizontal machining center is an integrated structure, and the X-axis guide rail and the Z-axis guide rail are arranged at the front and rear positions of the overall bed at the same time, forming an orthogonal "T" pattern. The high-precision milling process is used to complete the processing of the bed guide surface. Therefore, the verticality of the X-axis and Z-axis can only be guaranteed by the geometric accuracy of the processing mother machine itself. Therefore, there is no way to make any further breakthroughs in the verticality problem. For example, if the verticality is less than 1 wire, it is difficult to achieve in reality. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides a new bed structure, which solves the problem that the verticality of the X-axis and the Z-axis can only be guaranteed by the geometric accuracy of the processing mother machine itself, so there is no further breakthrough in the verticality problem.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a new bed structure, including a Z-axis bed base, the upper end surface of the Z-axis bed base is provided with a Z-axis slide rail, the rear side of the upper end of the Z-axis bed base is provided with a cross frame mounting seat, the upper end surface of the cross frame mounting seat is provided with an X-axis bed cross frame, the upper end surface of the X-axis bed cross frame is provided with an X-axis slide rail, a wedge-shaped seat is fixedly installed at the front end of the cross frame mounting seat, a wedge-shaped pressure block is provided on the inner side of the wedge-shaped seat, a rear stop bar is provided at the rear end of the cross frame mounting seat, and an adjustment block is provided on the upper end surface of the cross frame mounting seat located in front of the rear stop bar.

[0005] Preferably, a front cover plate is fixedly installed at the front end of the Z-axis bed base, and an installation groove is provided on the upper end surface of the Z-axis bed base on the side of the Z-axis slide rail, and two installation grooves are provided on the left and right sides of the Z-axis bed base.

[0006] Preferably, the length and width of the X-axis bed cross frame are adapted to the cross frame mounting seat, and the lower end surface of the X-axis bed cross frame is fitted and connected to the cross frame mounting seat.

[0007] Preferably, the wedge-shaped seat is designed as an L-shaped structure, the front end of the inner side of the wedge-shaped seat is provided with an inclined surface, and two wedge-shaped seats are provided on the left and right sides of the cross-frame mounting seat.

[0008] Preferably, the wedge-shaped pressing block is designed in a trapezoidal structure, the front end of the wedge-shaped pressing block is adapted to the inclined surface, and the wedge-shaped pressing block is connected to the inner side of the wedge-shaped seat by bolts.

[0009] Preferably, two adjustment blocks are disposed on the left and right sides of the cross frame mounting seat, and the adjustment blocks and the cross frame mounting seat are detachably connected by bolts. Beneficial Effects

[0010] The utility model provides a new bed structure. Compared with the prior art, it has the following beneficial effects:

[0011] The new bed structure is composed of two parts, namely, the Z-axis bed base and the X-axis bed cross frame, by arranging a Z-axis bed base, a cross frame mounting seat and an X-axis bed cross frame. The straightness of the guide rails of the Z-axis bed base and the X-axis bed cross frame can be ensured by grinding and micro-scraping respectively. The verticality can be adjusted by the left and right adjustment blocks at the rear of the cross frame mounting seat. After adjusting to the required indicators, it is tightened by the left and right wedge-shaped pressure blocks, and then the connecting screws are tightened to ensure the rigidity after connection. According to the above adjustment method, the verticality of the X-axis and the Z-axis can be quickly controlled to about 5um, which ultimately optimizes the assembly process and improves the assembly efficiency and assembly accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0013] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0014] Figure 3 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0015] Figure 4 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0016] Figure 5 For this utility model Figure 3 Enlarged structural diagram at B in the middle.

[0017] In the figure: 1. Z-axis bed base; 11. Front cover; 12. Mounting slot; 2. Z-axis slide rail; 3. Cross frame mounting seat; 4. X-axis bed cross frame; 5. X-axis slide rail; 6. Wedge seat; 7. Wedge pressure block; 8. Rear stop bar; 9. Adjustment block. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-5 The utility model provides a technical solution: a new bed structure, including a Z-axis bed base 1, the upper end surface of the Z-axis bed base 1 is provided with a Z-axis slide rail 2, the front end of the Z-axis bed base 1 is fixedly installed with a front cover 11, the upper end surface of the Z-axis bed base 1 is located on the side of the Z-axis slide rail 2 and is provided with a mounting groove 12, the mounting groove 12 is located on the left and right sides of the Z-axis bed base 1, and the rear side of the upper end of the Z-axis bed base 1 is provided with a horizontal frame installation The upper end surface of the horizontal frame mounting seat 3 is provided with an X-axis bed horizontal frame 4, and the upper end surface of the X-axis bed horizontal frame 4 is provided with an X-axis slide rail 5. The length and width of the X-axis bed horizontal frame 4 are adapted to the horizontal frame mounting seat 3, and the lower end surface of the X-axis bed horizontal frame 4 is fitted and connected to the horizontal frame mounting seat 3. The new bed is composed of a Z-axis bed base 1 and an X-axis bed horizontal frame 4, and the straightness of the guide rails of the Z-axis bed base 1 and the X-axis bed horizontal frame 4 can be ensured by grinding and micro-scraping respectively;

[0020] A wedge-shaped seat 6 is fixedly installed at the front end of the cross frame mounting seat 3. The wedge-shaped seat 6 is designed in an L-shaped structure. An inclined surface is arranged at the front end of the inner side of the wedge-shaped seat 6. Two wedge-shaped seats 6 are arranged on the left and right sides of the cross frame mounting seat 3. A wedge-shaped pressure block 7 is arranged on the inner side of the wedge-shaped seat 6. The wedge-shaped pressure block 7 is designed in a trapezoidal structure. The front end and the inclined surface of the wedge-shaped pressure block 7 are adapted. The wedge-shaped pressure block 7 is connected to the inner side of the wedge-shaped seat 6 by bolts. A rear baffle 8 is arranged at the rear end of the cross frame mounting seat 3. An adjustment block 9 is arranged on the front side of the rear baffle 8 on the upper end surface of the cross frame mounting seat 3. Two adjustment blocks 9 are arranged on the left and right sides of the cross frame mounting seat 3. The adjustment block 9 and the cross frame mounting seat 3 are detachably connected by bolts. During installation, the X-axis bed crossbar 8 is arranged on the front side of the rear baffle 8. The frame 4 and the cross frame mounting seat 3 are fitted, and the adjusting block 9 is fitted to the rear end of the X-axis bed cross frame 4. The size of the adjusting block 9 can be adjusted by grinding the adjusting block 9, and the wedge-shaped pressure block 7 can be installed in the wedge-shaped seat 6. Through the fitting of the inclined surfaces, the wedge-shaped pressure block 7 and the adjusting block 9 limit and fix the X-axis bed cross frame 4. When the wedge-shaped pressure block 7 is tightened, the rigidity after the connection is guaranteed. Therefore, by adjusting the size of the wedge-shaped pressure block 7 and the adjusting block 9, the verticality of the X-axis and the Z-axis can be quickly controlled to about 5um, so that the geometric accuracy of the machine tool achieves a new breakthrough. At the same time, the assembly and adjustment method is relatively simple, and the high-precision adjustment of the verticality of the X-axis and Z-axis guide rails can be quickly realized, providing a guarantee for the reliable assembly of the machine tool.

[0021] During operation, the new bed is composed of a Z-axis bed base 1 and an X-axis bed cross frame 4, and the guide rail straightness of the Z-axis bed base 1 and the X-axis bed cross frame 4 can be ensured by grinding and micro-scraping respectively. During installation, the X-axis bed cross frame 4 and the cross frame mounting seat 3 are fitted, and the adjustment block 9 is fitted to the rear end of the X-axis bed cross frame 4. The size of the adjustment block 9 can be adjusted by grinding the adjustment block 9, and the wedge-shaped pressure block 7 is installed in the wedge seat 6. Through the fitting of the inclined surfaces, the wedge-shaped pressure block 7 and the adjustment block 9 limit and fix the X-axis bed cross frame 4. When the wedge-shaped pressure block 7 is tightened, the rigidity after the connection is guaranteed. Therefore, by adjusting the sizes of the wedge-shaped pressure block 7 and the adjustment block 9, the verticality of the X-axis and Z-axis can be quickly controlled to about 5um, so that the geometric accuracy of the machine tool achieves a new breakthrough. At the same time, the assembly and adjustment methods are relatively simple, and the high-precision adjustment of the verticality of the X-axis and Z-axis guide rails can be quickly realized, providing a guarantee for the reliable assembly of the machine tool.

[0022] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A novel bed structure, comprising a Z-axis bed base (1), characterized in that: The upper end surface of the Z-axis bed base (1) is provided with a Z-axis slide rail (2), the rear side of the upper end of the Z-axis bed base (1) is provided with a cross frame mounting seat (3), the upper end surface of the cross frame mounting seat (3) is provided with an X-axis bed cross frame (4), the upper end surface of the X-axis bed cross frame (4) is provided with an X-axis slide rail (5), the front end of the cross frame mounting seat (3) is fixedly provided with a wedge seat (6), the inner side of the wedge seat (6) is provided with a wedge pressure block (7), the rear end of the cross frame mounting seat (3) is provided with a rear stop bar (8), and the upper end surface of the cross frame mounting seat (3) is located in front of the rear stop bar (8) and is provided with an adjustment block (9).

2. A new bed structure according to claim 1, characterized in that: A front cover plate (11) is fixedly mounted on the front end of the Z-axis bed base (1); an upper end surface of the Z-axis bed base (1) is provided with a mounting groove (12) on the side of the Z-axis slide rail (2); and two mounting grooves (12) are provided on the left and right sides of the Z-axis bed base (1).

3. A new bed structure according to claim 1, characterized in that: The length and width of the X-axis bed cross frame (4) are adapted to the cross frame mounting seat (3), and the lower end surface of the X-axis bed cross frame (4) is fitted and connected to the cross frame mounting seat (3).

4. A new bed structure according to claim 1, characterized in that: The wedge-shaped seat (6) is designed in an L-shaped structure, and a slope is provided at the front end of the inner side of the wedge-shaped seat (6). Two wedge-shaped seats (6) are provided on the left and right sides of the cross-frame mounting seat (3).

5. A new bed structure according to claim 1, characterized in that: The wedge-shaped pressing block (7) is designed in a trapezoidal structure, the front end of the wedge-shaped pressing block (7) is adapted to the inclined surface, and the wedge-shaped pressing block (7) is connected to the inner side of the wedge-shaped seat (6) by means of bolts.

6. A novel bed structure according to claim 1, characterized in that: Two adjustment blocks (9) are provided on the left and right sides of the cross frame mounting seat (3); the adjustment blocks (9) and the cross frame mounting seat (3) are detachably connected via bolts.

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