Machine tool body and machine tool

Abstract

The utility model provides a machine tool body and a machine tool, the machine tool body comprises a base, a first side plate, a second side plate, a connecting bridge plate, a supporting bridge plate and a driving part, the first side plate is arranged on one side of the base and is provided with a first guide rail; the second side plate is arranged on the other side of the base and is provided with a second guide rail; one side of the connecting bridge plate is connected with the rear end of the first side plate, and the other side is connected with the rear end of the second side plate; the supporting bridge plate is erected between the first side plate and the second side plate; the cross beam is erected above the first guide rail and the second guide rail; one end of the driving part is fixed to the connecting bridge plate, and the other end is arranged on the supporting bridge plate and used for driving the beam to move along the first guide rail and the second guide rail. According to the machine tool body and the machine tool, the cross beam is pushed to move on the first guide rail and the second guide rail through the single driving part, and the problem that the two sides of the cross beam are pulled due to the fact that a bridge-type structure machine tool body is asynchronous in dual drive is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of machine tool, concretely, a machine tool body and machine tool. BACKGROUND

[0002] The five-axis bed body of the bridge type structure has two Y-axis driving mechanisms due to the special structure of the column, that is, one Y-axis driving mechanism is arranged on the left side and the right side of the bed body, the double driving mode in the Y-axis direction can provide strong driving force for the cross beam, but the two Y-axis driving mechanisms are out of synchronization. Figure 1 The column part of the machine tool is two side plates 100, a motor 200 is arranged on each of the two side plates 100, each motor 200 is provided with a screw rod 300, so as to form a Y-axis driving mechanism. In actual use, the two ends of the cross beam are arranged on the two side plates 100, the two screw rods 300 correspondingly pass through the two ends of the cross beam, and the screw rod 300 is driven by the motor 200 to drive the cross beam to move along the Y-axis direction. Due to the parameters or mechanical structure, the two Y-axis driving mechanisms may not move synchronously, which causes the two sides of the cross beam to be pulled, and further affects the precision of the machine tool as a whole. SUMMARY

[0003] To solve the above problems, the purpose of the utility model is to provide a machine tool body and machine tool, so as to solve the problem that the two sides of the cross beam of the existing bridge type machine tool are pulled due to double Y-axis double driving.

[0004] The purpose of the utility model is realized by the following technical scheme:

[0005] The utility model provides a machine tool body, which comprises:

[0006] A base;

[0007] A first side plate is arranged on one side of the base, and a first guide rail is arranged on the first side plate;

[0008] A second side plate is arranged on the other side of the base and is arranged in parallel with the first side plate, and a second guide rail is arranged on the second side plate;

[0009] A connecting bridge plate is connected to the rear end of the first side plate on one side and connected to the rear end of the second side plate on the other side;

[0010] A supporting bridge plate is erected between the first side plate and the second side plate;

[0011] A cross beam is erected above the first guide rail and the second guide rail;

[0012] The driving component has one end fixed on the connecting bridge plate and the other end arranged on the supporting bridge plate, and is used to drive the cross beam to move along the first guide rail and the second guide rail.

[0013] In some embodiments, the supporting bridge plate is provided with a transmission seat, and the driving component comprises a motor, a screw rod and a nut; the motor is fixed on the connecting bridge plate, one end of the screw rod is connected with the motor, the other end of the screw rod is inserted into the transmission seat, and the nut is sleeved on the screw rod and connected with the cross beam.

[0014] In some embodiments, the upper end surface of the supporting bridge plate is provided with a circular arc-shaped transmission groove, the transmission seat comprises a transmission positioning block arranged above the transmission groove and a mounting ring clamped between the transmission groove and the transmission positioning block, a first transmission hole is formed in the mounting ring, and the two ends of the transmission positioning block are fixedly attached to the upper end surface of the supporting bridge plate, and the screw rod is inserted into the first transmission hole.

[0015] In some embodiments, the transmission positioning block is integrally arranged with the supporting bridge plate.

[0016] In some embodiments, the supporting bridge plate comprises a supporting plate, a first supporting seat and a second supporting seat, the first supporting seat is arranged on the side wall of the first side plate, the second supporting seat is arranged on the side wall of the second side plate, and the supporting plate is detachably horizontally arranged on the first supporting seat and the second supporting seat; and the transmission seat is arranged at the middle part of the supporting plate.

[0017] In some embodiments, the connecting bridge plate is provided with a mounting position for mounting the driving component, and the mounting position is located at the middle part of the connecting bridge plate.

[0018] In some embodiments, the connecting bridge plate is provided with a circular arc-shaped groove at the mounting position, the groove is provided with a mounting seat, the mounting seat is provided with a second transmission hole penetrating along the length direction of the first guide rail, the motor of the driving component is fixed in the mounting seat, and the screw rod of the driving component is inserted into the second transmission hole.

[0019] In some embodiments, the first side plate and the second side plate are both provided with an extension plate, and the lower side of the extension plate is arranged in an inclined manner; the two ends of the connecting bridge plate are connected with the extension plates of the first side plate and the second side plate, respectively, and the base, the first side plate, the second side plate and the extension plates are integrally formed.

[0020] In some embodiments, the machine tool body further comprises a bottom plate arranged on the base and abutting between the first side plate and the second side plate, and a chip removal channel penetrating between the bottom plate and the base; and the chip removal channel has a rectangular structure.

[0021] The utility model provides a machine tool, including the main shaft and the cradle revolving stage, still include the machine tool body of any one above, the main shaft sets up on the crossbeam, and the cradle revolving stage is fixed on the first side plate and the second side plate, and the main shaft is correspondingly arranged with the cradle revolving stage.

[0022] The utility model discloses the beneficial effect lies in: set up the connecting bridge board between the first side plate and the second side plate, install the crossbeam on the first guide rail and the second guide rail, and one end of the driving part sets up on the connecting bridge board, and the other end of the driving part is inserted in the support bridge board through the crossbeam, and the crossbeam is moved on the first guide rail and the second guide rail by the driving part. BRIEF DESCRIPTION OF DRAWINGS

[0023] The drawings described herein are used to provide further understanding of the utility model, and constitute a part of the application, and the illustrative embodiment and the explanation of the utility model are used to explain the utility model, and do not constitute undue limitation to the utility model.

[0024] Figure 1 It is the structural schematic diagram of prior art;

[0025] Figure 2 It is the bed body structure schematic diagram of the utility model;

[0026] Figure 3 It is another structural schematic diagram of the bed body of the utility model;

[0027] Figure 4 It is the structural schematic diagram of machine tool of the utility model;

[0028] Figure 5 It is the structural schematic diagram of transmission seat of the utility model.

[0029] Among them, the figure mark is: 100-side plate, 200-motor, 300-screw,

[0030] 1-base;

[0031] 2-first side plate, 21-first guide rail;

[0032] 3-second side plate, 31-second guide rail;

[0033] 4-connecting bridge board, 41-mounting site, 42-mounting seat, 43-second transmission hole, 44-groove;

[0034] 5 - support bridge plate, 51 - transmission seat, 52 - first transmission hole, 53 - transmission groove, 54 - transmission positioning block, 55 - mounting ring, 56 - support plate, 57 - second support seat;

[0035] 6 - cross beam;

[0036] 7 - drive component, 71 - motor, 72 - screw rod, 73 - nut;

[0037] 8 - extension plate;

[0038] 9 - bottom plate, 91 - chip removal channel. DETAILED DESCRIPTION

[0039] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0040] Reference Figure 2 and Figure 3 , one aspect of the present application provides a machine tool body, comprising: base 1, first side plate 2, second side plate 3, connecting bridge plate 4, support bridge plate 5, cross beam 6 and drive component 7, the first side plate 2 is arranged on one side of the base 1, and the first guide rail 21 is arranged on the first side plate 2. The second side plate 3 is arranged on the other side of the base 1 and is arranged in parallel with the first side plate 2, and the second guide rail 31 is arranged on the second side plate 3. The connecting bridge plate 4 is connected with the rear end of the first side plate 2 on one side and connected with the rear end of the second side plate 3 on the other side. The support bridge plate 5 is erected between the first side plate 2 and the second side plate 3. The cross beam 6 is erected above the first guide rail 21 and the second guide rail 31. One end of the drive component 7 is fixed on the connecting bridge plate 4, and the other end of the drive component 7 is arranged on the support bridge plate 5, and the drive component 7 is used for driving the cross beam 6 to move along the first guide rail 21 and the second guide rail 31.

[0041] The utility model discloses a connecting bridge plate 4 is arranged between first side plate 2 and second side plate 3, installs crossbeam 6 on first guide rail 21 and second guide rail 31, and one end of driving part 7 is arranged on connecting bridge plate 4, and the other end of driving part 7 is inserted in support bridge plate 4 through crossbeam 6, and crossbeam 6 is moved on first guide rail 21 and second guide rail 31 by driving part 7. The double Y-axis driving mechanism of the crossbeam on the bridge structure bed is changed to single drive in the application, and crossbeam 6 is moved on first guide rail 21 and second guide rail 31 by single driving part 7, which is beneficial to realize the balance of the driving force on both sides of crossbeam 6 and avoid the pulling problem on both sides of crossbeam 6 caused by different steps of double drive. Meanwhile, the driving on both sides of crossbeam 6 is changed to one driving part 7, which can reduce the number of driving parts and reduce the cost.

[0042] In some embodiments, with reference to Figure 2 and Figure 3 , a transmission seat 51 is arranged on the support bridge plate 5, and the driving part 7 includes a motor 71, a lead screw 72 and a nut 73. The motor 71 is fixed on the connecting bridge plate 4, one end of the lead screw 72 is connected with the motor 71, the other end of the lead screw 72 is inserted into the transmission seat 51, and the nut 73 is sleeved on the lead screw 72 and connected with the crossbeam 6. Specifically, the two ends of the crossbeam 6 are correspondingly installed on the first guide rail 21 and the second guide rail 31, the nut 73 is arranged on the crossbeam 6, and the lead screw 72 is inserted into the transmission seat 51 through the nut 73. The transmission seat 51 provides support for the lead screw 72, and after the motor 71 is started, the lead screw 72 drives the crossbeam 6 to move along the guide rail (including the first guide rail 21 and the second guide rail 31). The crossbeam 6 can be moved by one set of driving part 7, which is simpler in structure and lower in cost compared with the traditional two sets of driving system, and the problem of different movements on both sides of the crossbeam 6 caused by the two sets of driving system is avoided, the balance of the driving force on both sides of the crossbeam 6 is easily realized, and the movement precision is improved.

[0043] In some embodiments, with reference to Figures 3 to 5 , an arc-shaped transmission groove 53 is arranged on the upper end face of the support bridge plate 5, the transmission seat 51 includes a transmission positioning block 54 arranged above the transmission groove 53 and a mounting ring 55 clamped between the transmission groove 53 and the transmission positioning block 54, the first transmission hole 52 is formed in the mounting ring 55, the two ends of the transmission positioning block 54 are fixedly attached to the upper end face of the support bridge plate 5, and the lead screw 72 is inserted into the first transmission hole 52. Specifically, the transmission positioning block 54 is horizontally arranged on the support plate 56 and forms a transmission through hole with the transmission groove 53, the mounting ring 55 is arranged in the transmission through hole, part of the mounting ring 55 is located in the transmission groove 53, and the other part is located in the transmission positioning block 54. The first transmission hole 52 is arranged on the mounting ring 55, the lead screw 72 is inserted into the first transmission hole 52, and the first transmission hole 52 supports and guides the lead screw 72.

[0044] In some embodiments, referring to Figure 3 and Figure 5 The transmission positioning block 54 is integrally arranged with the support bridge plate 5, which makes the transmission seat 51 not need additional arrangement structure, and the transmission positioning block 54 is formed on the support plate 56, so that the structure of the transmission seat 51 is stable and convenient to process.

[0045] In some embodiments, referring to Figure 3 and Figure 4 The support bridge plate 5 comprises a support plate 56, a first support seat and a second support seat 57, the first support seat is arranged on the side wall of the first side plate 2, the second support seat 57 is arranged on the side wall of the second side plate 3, the support plate 56 is detachably arranged on the first support seat and the second support seat 57, the transmission seat 51 is arranged in the middle of the support plate 56, and the support plate 56 is arranged in parallel with the connecting bridge plate 4. The first support seat is located on the inner side of the first side plate 2, and the second support seat 57 is located on the inner side of the second side plate 3, so that the support plate 56 is located between the two side plates (including the first side plate 2 and the second side plate 3). The support plate 56, the first support seat and the second support seat 57 are located between the two side plates, which effectively utilizes the space between the side plates and avoids arranging the first support seat and the second support seat 57 on the upper end surface of the side plate.

[0046] In some embodiments, referring to Figure 3 and Figure 4 The connecting bridge plate 4 is provided with a mounting position 41 for mounting the driving component 7, and the mounting position 41 is located in the middle of the connecting bridge plate 4. The driving component 7 is arranged in the middle of the connecting bridge plate 4, so that the driving component 7 is approximately located on the middle line between the first side plate 2 and the second side plate 4. When the driving component 7 pushes the cross beam 6 to move on the guide rail, the movement of the two sides of the cross beam 6 can be as consistent as possible, and the pulling caused by the misalignment of the two sides of the cross beam 6 can be avoided.

[0047] In some embodiments, referring to Figure 3 and Figure 4 The connecting bridge plate 4 is provided with a circular-arc-shaped groove 44 at the mounting position 41, the groove 44 is provided with a mounting seat 42, the mounting seat 42 is provided with a through second transmission hole 43 in the length direction of the first guide rail 21, the motor 71 of the driving component 7 is fixed in the mounting seat 42, and the mounting seat 42 plays a positioning role in the mounting of the motor 71. One end of the lead screw 72 of the driving component 7 is connected with the motor 71 through the second transmission hole 43, and the other end of the lead screw 72 is inserted into the first transmission hole 52. The groove 44 provides a position space for the mounting of the lead screw 72, and reduces the space occupation of the lead screw 72 in the vertical direction of the connecting bridge plate 4.

[0048] In some embodiments, referring to Figure 3, the first side plate 2 and the second side plate 3 are provided with extension plates 8, the lower side of the extension plate 8 is inclined, specifically, the upper inclination from left to right (here referring to the direction) Figure 3 The two ends of the connecting bridge plate 4 correspond to the extension plate 8 of the first side plate 2 and the extension plate 8 of the second side plate 3, and the lower side of the extension plate 8 provides greater support for the connecting bridge plate 4 through the inclined arrangement. The base 1, the first side plate 2, the second side plate 3 and the extension plate 8 are integrally formed, and the integral formation makes the structure of the bed body more stable and can provide greater support.

[0049] In some embodiments, referring to Figure 3 The machine tool body further includes a bottom plate 9, the bottom plate 9 is arranged on the base 1, and the bottom plate 9 abuts between the first side plate 2 and the second side plate 2 to provide support for the first side plate 2 and the second side plate 3. A through chip removal channel 91 is formed between the bottom plate 9 and the base 1, and the chip removal channel 91 is a rectangular structure. In the machining process, the cutting generated can be discharged from the base 1 through the chip removal channel 91, and the chip removal channel 91 is arranged in a rectangular structure to ensure sufficient chip removal space and not occupy more space. For example, the chip removal channel 91 in a circular or square shape will occupy more space in the vertical direction of the base 1 on the basis of ensuring the same chip removal space. The chip removal channel 91 in a rectangular structure can be extended in the width direction, so that the chip removal channel 91 has a larger passing space.

[0050] Another aspect of the utility model provides a machine tool, referring to Figure 2 Including the main shaft and the cradle rotary table and the machine tool body of any one of the above, the main shaft is arranged on the cross beam 6, the cradle rotary table is fixed on the first side plate 2 and the second side plate 3, and the main shaft is arranged correspondingly with the cradle rotary table. The machine tool of the application changes the traditional double-Y-axis drive into a single-drive driving component, and the cross beam 6 is moved on the first guide rail 21 and the second guide rail 31 by the single driving component 7, avoiding the pulling problem existing on both sides of the cross beam 6 caused by the asynchronization of double driving.

[0051] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principle of the utility model, and these improvements and refinements should also be regarded as the protection range of the utility model.

Claims

1. A machine tool body, characterized by, The utility model relates to a kind of bridge crane, including: Base (1); First side plate (2) is arranged in one side of the base (1), first guide rail (21) is arranged on the first side plate (2);Second side plate (3) is arranged in the other side of the base (1), and it is arranged in parallel with the first side plate (2), and second guide rail (31) is arranged on the second side plate (3);Connecting bridge plate (4) is connected with the rear end of the first side plate (2) on one side, and it is connected with the rear end of the second side plate (3) on the other side;Support bridge plate (5) is erected between the first side plate (2) and the second side plate (3);Crossbeam (6) is erected above the first guide rail (21) and the second guide rail (31);Drive component (7), one end of the drive component (7) is fixed on the connecting bridge plate (4), the other end of the drive component (7) is arranged on the support bridge plate (5), and the drive component (7) is used to drive the crossbeam (6) to move along the first guide rail (21) and the second guide rail (31). Transmission seat (51) is arranged on the support bridge plate (5), and the drive component (7) includes motor (71), screw rod (72) and nut (73);The motor (71) is fixed on the connecting bridge plate (4), one end of the screw rod (72) is connected with the motor (71), the other end of the screw rod (72) is inserted into the transmission seat (51), and the nut (73) is sleeved with the screw rod (72) and is connected with the crossbeam (6). The upper end surface of the support bridge plate (5) is provided with a circular arc transmission groove (53), the transmission seat (51) includes a transmission positioning block (54) arranged above the transmission groove (53) and an installation ring (55) engaged between the transmission groove (53) and the transmission positioning block (54), a first transmission hole (52) is formed in the installation ring (55), and the two ends of the transmission positioning block (54) are fixedly attached to the upper end surface of the support bridge plate (5), and the screw rod (72) is inserted into the first transmission hole (52). The transmission positioning block (54) is integrally arranged with the support bridge plate (5). The support bridge plate (5) includes a support plate (56), a first support seat and a second support seat (57), the first support seat is arranged on the side wall of the first side plate (2), the second support seat (57) is arranged on the side wall of the second side plate (3), the support plate (56) is detachably horizontally arranged on the first support seat and the second support seat (57), and the transmission seat (51) is arranged in the middle part of the support plate (56). The connecting bridge plate (4) is provided with a mounting position (41) for mounting the drive component (7), and the mounting position (41) is located in the middle part of the connecting bridge plate (4).

2. The machine tool body according to claim 1, characterized in that, ​ 3. The machine tool body according to claim 2, characterized in that ​ 4. The machine tool body according to claim 3, characterized in that ​ 5. The machine tool body according to any one of claims 2 to 4, characterized in that, ​ 6. The machine tool body according to any one of claims 1 to 4, characterized in that, ​ 7. The machine tool body according to claim 6, characterized in that The connecting bridge plate (4) is provided with a circular-arc-shaped groove (44) at the mounting position (41), the groove (44) is provided with a mounting seat (42), the mounting seat (42) is provided with a through second transmission hole (43) along the length direction of the first guide rail (21), the motor (71) of the driving component (7) is fixed in the mounting seat (42), and the screw rod (72) of the driving component (7) is arranged in the second transmission hole (43).

8. The machine tool body according to claim 7, characterized in that The first side plate (2) and the second side plate (3) are provided with an extension plate (8), the lower side of the extension plate (8) is inclined, the two ends of the connecting bridge plate (4) are connected with the extension plates (8) of the first side plate (2) and the second side plate, and the base (1), the first side plate (2), the second side plate (3) and the extension plate (8) are integrally formed.

9. The machine tool body according to claim 7, characterized in that, The machine tool body further comprises a bottom plate (9), the bottom plate (9) is arranged on the base (1) and abuts between the first side plate (2) and the second side plate (3), a through chip removal channel (91) is formed between the bottom plate (9) and the base (1), and the chip removal channel (91) has a rectangular structure.

10. A machine tool comprising a spindle and a cradle turntable, characterized in that The machine tool body further comprises a bottom plate (9), the bottom plate (9) is arranged on the base (1) and abuts between the first side plate (2) and the second side plate (3), a through chip removal channel (91) is formed between the bottom plate (9) and the base (1), and the chip removal channel (91) has a rectangular structure.

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