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CN212634980U - Gantry structure of numerical control machine tool - Google Patents

Gantry structure of numerical control machine tool Download PDF

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Publication number
CN212634980U
CN212634980U CN202021072820.9U CN202021072820U CN212634980U CN 212634980 U CN212634980 U CN 212634980U CN 202021072820 U CN202021072820 U CN 202021072820U CN 212634980 U CN212634980 U CN 212634980U
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CN
China
Prior art keywords
axis
main shaft
lead screw
mounting plate
shaft mounting
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Application number
CN202021072820.9U
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Chinese (zh)
Inventor
胡早仁
程永平
程小建
黄小发
李海燕
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LKPrecision Machinery Kunshan Co ltd
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LKPrecision Machinery Kunshan Co ltd
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Priority to CN202021072820.9U priority Critical patent/CN212634980U/en
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Publication of CN212634980U publication Critical patent/CN212634980U/en
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Abstract

The utility model relates to a numerical control machine tool gantry structure, which comprises a gantry frame, an X-axis lead screw slide rail structure, a pallet box, a Z-axis lead screw slide rail structure, a main shaft mounting plate and a main shaft structure; the Z-axis lead screw sliding rail structure comprises a Z-axis sliding rail, a Z-axis sliding block, a Z-axis lead screw, a Z-axis nut and a Z-axis driving motor; the Z-axis slide rails are arranged on the left side and the right side of the front end of the carriage box, the Z-axis lead screw is arranged in the carriage box, and the Z-axis drive motor is in driving connection with the Z-axis lead screw; a Z-axis screw nut is fixed in the middle of the upper position of the rear side of the main shaft mounting plate; z-axis sliding blocks are respectively arranged at two ends of the upper position of the rear side of the main shaft mounting plate; a main shaft head is fixed at the lower position of the front side of the main shaft mounting plate; the upper side of the main shaft head is connected with a main shaft motor. The utility model discloses a numerical control machine tool gantry structure, main shaft and motor directly link, do not need the coupling, simple structure, compactness, convenient processing and installation, spindle nose light in weight, response speed is fast.

Description

Gantry structure of numerical control machine tool
Technical Field
The utility model relates to a digit control machine tool field especially relates to a digit control machine tool gantry structure.
Background
Conventional headstocks or rams are long. When the spindle is directly connected, the motor and the spindle need to be connected through a coupling joint, so that the cost is high, the structure is complex, and the maintenance is troublesome. If the length of the spindle box is reduced singly, the length is insufficient, and the linear rail cannot be fixed; the nut seat cannot be arranged on the spindle box because the motor blocks the nut seat mounting hole; after the motor sinks, the mounting surface sinks into the interior, and the mounting hole is difficult to process; the upper side of the main spindle box becomes thin, and the overall strength becomes poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a numerical control machine tool gantry structure, main shaft and motor directly link, do not need the coupling to tie, simple structure, compactness, convenient processing and installation, spindle nose light in weight, response speed is fast.
The utility model provides a technical scheme that its technical problem adopted is: a numerical control machine tool gantry structure comprises a gantry frame, an X-axis screw rod slide rail structure, a pallet box, a Z-axis screw rod slide rail structure, a main shaft mounting plate and a main shaft structure; the pallet box is arranged on the portal frame through an X-axis lead screw slide rail structure and is used for moving the pallet box along an X axis; the main shaft mounting plate is mounted on the pallet box through a Z-axis lead screw sliding rail structure and used for enabling the main shaft mounting plate to move along the Z axis; the Z-axis lead screw sliding rail structure comprises a Z-axis sliding rail and a Z-axis sliding block which are matched with each other, a Z-axis lead screw and a Z-axis nut which are matched with each other, and a Z-axis driving motor; the Z-axis slide rails are arranged on the left side and the right side of the front end of the pallet box, the Z-axis lead screw is arranged in the pallet box, and the Z-axis drive motor is arranged on the top side of the pallet box and is in driving connection with the Z-axis lead screw; the Z-axis screw nut is fixed in the middle of the upper position of the rear side of the main shaft mounting plate; the two ends of the position, close to the upper part, of the rear side of the main shaft mounting plate are respectively provided with the Z-axis sliding block; a main shaft head is fixed at the lower position of the front side of the main shaft mounting plate; the upper side of the main shaft head is connected with a main shaft motor; the spindle motor corresponds to the middle of the upper position of the front side of the spindle mounting plate; the spindle head and the spindle motor form a spindle structure.
Furthermore, the front side of the spindle mounting plate is provided with integrated reinforcing ribs at the left side and the right side of the spindle head and the spindle motor.
Furthermore, the Z-axis screw nut and the main shaft mounting plate are of an integrated structure.
Furthermore, the X-axis lead screw slide rail structure also comprises an X-axis slide rail and an X-axis slide block which are matched with each other, an X-axis lead screw and an X-axis nut which are matched with each other, and an X-axis driving motor; the X-axis slide rail is arranged at the upper end and the lower end of the front side of the beam of the portal frame; the X-axis screw is arranged in the cross beam, and the X-axis driving motor is arranged on one side of the cross beam and is in driving connection with the X-axis screw; the middle of the lower position of the rear side of the pallet box is fixedly provided with the X-axis screw; the two ends of the rear side of the pallet box close to the lower position are respectively provided with the X-axis sliding block.
The utility model has the advantages that: the utility model discloses a numerical control machine tool gantry structure, main shaft and motor directly link, do not need the coupling, simple structure, compactness, convenient processing and installation, spindle nose light in weight, response speed is fast.
Drawings
Fig. 1 is a schematic perspective view of a gantry structure of a numerical control machine according to an embodiment;
FIG. 2 is a schematic front view of a gantry structure of a numerically-controlled machine tool according to an embodiment;
fig. 3 is a schematic cross-sectional view a-a of fig. 2.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and embodiments, which are only used for explaining the present invention and are not limited to the protection scope of the present invention.
Examples
As shown in fig. 1 to 3, the present embodiment provides a gantry structure of a numerical control machine tool, including a gantry 1, an X-axis lead screw slide rail structure 2, a pallet box 3, a Z-axis lead screw slide rail structure 4, a spindle mounting plate 5, and a spindle structure 6; the pallet box 3 is arranged on the portal frame 1 through an X-axis lead screw sliding rail structure 2 and is used for enabling the pallet box 3 to move along an X axis; the main shaft mounting plate 5 is mounted on the pallet box 3 through a Z-axis lead screw sliding rail structure 4 and used for enabling the main shaft mounting plate 5 to move along the Z axis; the Z-axis lead screw slide rail structure 4 comprises a Z-axis slide rail 42 and a Z-axis slide block 45 which are matched with each other, a Z-axis lead screw 41 and a Z-axis nut 44 which are matched with each other, and a Z-axis driving motor 43; the Z-axis slide rails 42 are arranged on the left side and the right side of the front end of the pallet box 3, the Z-axis lead screw 41 is arranged in the pallet box 3, and the Z-axis drive motor 43 is arranged on the top side of the pallet box 3 and is in driving connection with the Z-axis lead screw 41; the Z-axis nut 44 is fixed in the middle of the upper position of the rear side of the main shaft mounting plate 5; the Z-axis sliding blocks 45 are respectively arranged at the two ends of the upper position of the rear side of the main shaft mounting plate 5; a main shaft head 61 is fixed at the lower position of the front side of the main shaft mounting plate 5; a spindle motor 62 is connected to the upper side of the spindle head 61; the spindle motor 62 corresponds to the middle of the upper position of the front side of the spindle mounting plate 5; the spindle head 61 and the spindle motor 62 constitute a spindle structure 6.
In the gantry structure of the numerical control machine tool of the present embodiment, the front side of the spindle mounting plate 5 is further provided with an integrated reinforcing rib 51 at the left and right sides of the spindle head 61 and the spindle motor 62.
In the gantry structure of the numerical control machine tool of the embodiment, the Z-axis nut 44 and the spindle mounting plate 5 are an integral structure.
In the gantry structure of the numerical control machine tool according to the embodiment, the X-axis lead screw slide rail structure 2 also includes an X-axis slide rail 22 and an X-axis slide block 25 which are matched with each other, an X-axis lead screw 21 and an X-axis nut 24 which are matched with each other, and an X-axis driving motor 23; the X-axis slide rails are arranged at the upper end and the lower end of the front side of the beam of the portal frame 1; the X-axis lead screw 21 is arranged in the cross beam, and the X-axis driving motor 23 is arranged on one side of the cross beam and is in driving connection with the X-axis lead screw 21; the X-axis nut 24 is fixed in the middle of the lower position of the rear side of the pallet box 3; the X-axis slide blocks 25 are respectively arranged at two ends of the rear side of the pallet box 3 close to the lower position.
In the gantry structure of the numerical control machine tool, the Z-axis slide rail is fixed on the pallet box, and the Z-axis slide block is fixed on the main shaft mounting plate, so that the main shaft mounting plate can still be fixed on the Z-axis slide rail after being shortened; the main shaft mounting plate and the Z-axis nut are made into an integral structure, so that the connection is more stable, and the working support strength of the main shaft is ensured; the spindle mounting plate is provided with the reinforcing ribs, so that the overall strength of the spindle mounting plate is improved; the spindle motor is directly connected with the spindle head without a coupling joint, the whole spindle structure becomes light, the response speed becomes high, and simultaneously, the working strength of the spindle is not influenced.
The above-mentioned embodiments should not limit the present invention in any way, and all the technical solutions obtained by adopting equivalent replacement or equivalent conversion fall within the protection scope of the present invention.

Claims (4)

1. The utility model provides a digit control machine tool gantry structure which characterized in that: the device comprises a portal frame, an X-axis lead screw sliding rail structure, a pallet box, a Z-axis lead screw sliding rail structure, a main shaft mounting plate and a main shaft structure; the pallet box is arranged on the portal frame through an X-axis lead screw slide rail structure and is used for moving the pallet box along an X axis; the main shaft mounting plate is mounted on the pallet box through a Z-axis lead screw sliding rail structure and used for enabling the main shaft mounting plate to move along the Z axis; the Z-axis lead screw sliding rail structure comprises a Z-axis sliding rail and a Z-axis sliding block which are matched with each other, a Z-axis lead screw and a Z-axis nut which are matched with each other, and a Z-axis driving motor; the Z-axis slide rails are arranged on the left side and the right side of the front end of the pallet box, the Z-axis lead screw is arranged in the pallet box, and the Z-axis drive motor is arranged on the top side of the pallet box and is in driving connection with the Z-axis lead screw; the Z-axis screw nut is fixed in the middle of the upper position of the rear side of the main shaft mounting plate; the two ends of the position, close to the upper part, of the rear side of the main shaft mounting plate are respectively provided with the Z-axis sliding block; a main shaft head is fixed at the lower position of the front side of the main shaft mounting plate; the upper side of the main shaft head is connected with a main shaft motor; the spindle motor corresponds to the middle of the upper position of the front side of the spindle mounting plate; the spindle head and the spindle motor form a spindle structure.
2. The numerical control machine tool gantry structure of claim 1, wherein: the front side of the main shaft mounting plate is positioned at the left side and the right side of the main shaft head and the main shaft motor and is also provided with an integrated reinforcing rib.
3. A numerical control machine tool gantry structure according to claim 1 or 2, characterized in that: the Z-axis screw nut and the main shaft mounting plate are of an integrated structure.
4. The numerical control machine tool gantry structure of claim 1, wherein: the X-axis lead screw sliding rail structure also comprises an X-axis sliding rail and an X-axis sliding block which are matched with each other, an X-axis lead screw and an X-axis nut which are matched with each other, and an X-axis driving motor; the X-axis slide rail is arranged at the upper end and the lower end of the front side of the beam of the portal frame; the X-axis screw is arranged in the cross beam, and the X-axis driving motor is arranged on one side of the cross beam and is in driving connection with the X-axis screw; the middle of the lower position of the rear side of the pallet box is fixedly provided with the X-axis screw; the two ends of the rear side of the pallet box close to the lower position are respectively provided with the X-axis sliding block.
CN202021072820.9U 2020-06-11 2020-06-11 Gantry structure of numerical control machine tool Active CN212634980U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021072820.9U CN212634980U (en) 2020-06-11 2020-06-11 Gantry structure of numerical control machine tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021072820.9U CN212634980U (en) 2020-06-11 2020-06-11 Gantry structure of numerical control machine tool

Publications (1)

Publication Number Publication Date
CN212634980U true CN212634980U (en) 2021-03-02

Family

ID=74790408

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021072820.9U Active CN212634980U (en) 2020-06-11 2020-06-11 Gantry structure of numerical control machine tool

Country Status (1)

Country Link
CN (1) CN212634980U (en)

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