CN218696374U - A positioning fixture for CNC gantry milling machine processing - Google Patents

Abstract

The utility model relates to a processing and positioning fixture for a CNC gantry milling machine, which comprises a gantry frame, a CNC milling machine body is installed on the inner side of the gantry frame, a platform is arranged below the CNC milling machine body, and a platform is arranged between the platform and the CNC milling machine body. A rotating mechanism is arranged between them, the rotating mechanism includes a first motor, a first shaft is fixedly installed on the output shaft of the first motor, and a main gear is fixedly installed on the end of the first shaft far away from the first motor, The outer side of the main gear is meshed with a slave gear, the inner side of the slave gear is fixedly installed with a rotating rod, and the upper end of the rotating rod is fixedly connected with a processing table. The positioning fixture for CNC gantry milling machine realizes the flexible adjustment of the processing position of the workpiece, so that the CNC milling machine body can not only process the side of the workpiece, but also facilitate the processing of the other side of the workpiece, which improves the processing efficiency. , with good performance.

Description

A positioning fixture for CNC gantry milling machine processing

technical field

The utility model relates to the technical field of mechanical processing, in particular to a processing and positioning fixture for a numerically controlled gantry milling machine.

Background technique

Gantry milling machine, referred to as gantry milling machine, is a milling machine with a portal frame and a horizontal long bed. The gantry milling machine can use multiple milling cutters to process the surface at the same time. The machining accuracy and production efficiency are relatively high. It is suitable for batch and mass production. CNC gantry milling machine can also process space curved surfaces and some special parts. The shape of gantry milling machine is similar to that of gantry planer. The difference is that its beams and columns are not equipped with planer tool holders but with spindles. The milling tool holder of the box, and the reciprocating motion of the longitudinal table of the gantry milling machine is not the main movement, but the feed movement, while the rotary motion of the milling cutter is the main movement, and the gantry milling machine is controlled by the portal frame, bed table and electrical System structure, the portal frame is composed of columns and top beams, and there is a beam in the middle, and the beam can move up and down along the guide rails of the two columns.

Chinese utility model patent CN209380322U discloses a positioning fixture for a gantry milling machine, including a base, a workbench, a side plate, a screw, an extension plate, a fixture, a fixed gear, a baffle plate, a first electric push rod, a sleeve shaft, a rotating shaft, and a connecting shaft , the first transmission gear, the first adjustment gear, the bottom plate, the second transmission gear, the second adjustment gear, the first output gear, the first motor, the tooth plate, the second motor, the second output gear, the face gear, the second motor The push rod and the support plate can easily clamp the workpiece through the relative movement of the two fixtures, and fix the workpiece at the center of the workbench for easy processing; the vertical movement and rotation of the support plate can easily drive the workpiece to rotate , It is beneficial to process the side of the workpiece, solves the problem that the side of the workpiece cannot be processed due to the fixation of the fixture, and improves the work efficiency.

However, the positioning fixture of the above-mentioned gantry milling machine can only rotate the workpiece horizontally, and cannot rotate vertically. If the other side of the workpiece needs to be processed, the workpiece needs to be disassembled and turned over and fixed again. The operation is cumbersome and reduces the processing efficiency. It is difficult to meet the needs of use, so a positioning fixture for CNC gantry milling machine processing is proposed to solve the above-mentioned problems.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a positioning fixture for CNC gantry milling machine processing, which has the advantages of being convenient for adjusting the processing position of the workpiece, and solves the problem that the positioning fixture of the gantry milling machine mentioned above can only rotate the workpiece horizontally when in use. , can not be rotated vertically, if the lower surface of the workpiece needs to be processed, the workpiece needs to be disassembled and turned over and fixed again, the operation is cumbersome, and the problem of processing efficiency is reduced.

In order to achieve the above purpose, the utility model provides the following technical solutions: a positioning fixture for CNC gantry milling machine processing, including a gantry frame, a CNC milling machine body is installed on the inner side of the gantry frame, and a platform is arranged below the CNC milling machine body , a rotating mechanism is arranged between the platform and the CNC milling machine body;

The rotating mechanism includes a first motor, a first shaft is fixedly installed on the output shaft of the first motor, and a main gear is fixedly installed on the end of the first shaft away from the first motor, and the outer side of the main gear A secondary gear is meshed, and a rotating rod is fixedly installed on the inner side of the secondary gear. The upper end of the rotating rod is fixedly connected with a processing table. A fixed plate and a hydraulic rod are respectively arranged above the processing table. The fixed plate is close to the hydraulic pressure. One side of the rod is provided with a fixture, the output shaft of the hydraulic rod is fixedly connected with a mounting plate, and the side of the mounting plate close to the fixed plate is fixedly mounted with a second motor, and the output shaft of the second motor is fixedly mounted There is a second shaft, and the end of the second shaft away from the second motor is also provided with a clamp.

Further, the left and right sides of the platform are fixedly connected to the inner wall of the gantry, and the bottom of the platform is on the same level as the bottom of the gantry.

Further, the first motor is fixedly installed on the top of the platform, and both the main gear and the slave gear are bevel gears.

Further, the lower end of the rotating rod is interference-fitted with a first bearing, and the first bearing is fixedly installed on the top of the platform.

Further, the fixing plate is fixedly installed on the top of the processing table, and at the same time, a fixing frame is fixedly installed on the top of the processing table, and the hydraulic rod is fixedly installed on the top of the fixing frame.

Further, the clamp on the fixing plate and the clamp on the second shaft correspond to each other.

Further, the clamp includes a mounting frame, the inner side of the mounting frame is threadedly connected with a threaded rod, the upper end of the threaded rod is fixedly connected with a rotating head, and the lower end of the threaded rod is rotatably connected with a positioning block, and the positioning block is close to A slide block is fixedly installed on one side of the installation frame.

Furthermore, the shape of the installation frame is in the shape of a letter "匸", and the installation frame is provided with a slide groove matching with the slider, and the slider is in clearance fit with the inner side of the slide groove.

Compared with the prior art, the utility model provides a processing and positioning fixture for a CNC gantry milling machine, which has the following beneficial effects:

The positioning fixture is used for CNC gantry milling machine processing. It uses the hydraulic rod to push and cooperate with the two fixtures to facilitate the clamping and fixing of the workpiece. The fixing effect is good and the processing is convenient. At the same time, the first shaft is driven to rotate by starting the first motor. The main gear, the slave gear and the rotating rod can drive the processing table to rotate under the coordinated transmission, thereby driving the workpiece to rotate horizontally. By starting the second motor to drive the second shaft to rotate, the second shaft can drive the fixture to rotate synchronously, thereby driving The workpiece rotates vertically, which realizes the flexible adjustment of the processing position of the workpiece, so that the CNC milling machine body can not only process the side of the workpiece, but also the other side of the workpiece, which improves the processing efficiency and has a good use performance.

Description of drawings

Fig. 1 is a front view of the structure of the utility model;

Fig. 2 is the enlarged structural schematic diagram of A shown in Fig. 1 of the utility model;

Fig. 3 is the enlarged structural schematic diagram of B shown in Fig. 1 of the utility model;

In the figure: 1 gantry frame, 2 CNC milling machine body, 3 platform, 4 first motor, 5 first shaft, 6 main gear, 7 slave gear, 8 rotating rod, 9 processing table, 10 fixed plate, 11 fixture, 1101 Mounting frame, 1102 threaded rod, 1103 rotating head, 1104 positioning block, 1105 slide block, 12 hydraulic rod, 13 mounting plate, 14 second motor, 15 second axle rod, 16 fixed frame.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiment one:

Please refer to Fig. 1-3, a positioning fixture for CNC gantry milling machine processing, including a gantry frame 1, a CNC milling machine body 2 is installed on the inner side of the gantry frame 1, a platform 3 is arranged below the CNC milling machine body 2, and the left and right sides of the platform 3 Both sides are fixedly connected with the inner wall of the gantry 1, and the bottom of the platform 3 and the bottom of the gantry 1 are located on the same level.

It should be noted that the CNC milling machine body 2 belongs to conventional equipment known to the public in the prior art, so its specific structural composition and working principle will not be described in detail in this article.

In this embodiment, a rotating mechanism is provided between the platform 3 and the CNC milling machine body 2, the rotating mechanism includes a first motor 4, the first motor 4 is fixedly installed on the top of the platform 3, and the output shaft of the first motor 4 is fixedly installed with The first shaft 5, the end of the first shaft 5 away from the first motor 4 is fixedly equipped with a main gear 6, the outer side of the main gear 6 is meshed with a slave gear 7, the main gear 6 and the slave gear 7 are bevel gears, both The meshing angle of the latter is ninety degrees.

Wherein, a rotating rod 8 is fixedly mounted on the inner side of the gear 7, and the lower end of the rotating rod 8 is interference-fitted with a first bearing, and the first bearing is fixedly installed on the top of the platform 3, which facilitates the movement of the rotating rod 8, and The upper end is fixedly connected with the processing table 9, and the top of the processing table 9 is respectively provided with a fixed plate 10 and a hydraulic rod 12, wherein the fixed plate 10 is fixedly installed on the top of the processing table 9, and the top of the processing table 9 is fixedly installed with a fixed frame 16 , the hydraulic rod 12 is fixedly installed on the top of the fixed frame 16 .

It should be noted that a clamp 11 is provided on the side of the fixed plate 10 close to the hydraulic rod 12, and a mounting plate 13 is fixedly connected to the output shaft of the hydraulic rod 12, and a second motor is fixedly installed on the side of the mounting plate 13 close to the fixed plate 10. 14. A second shaft 15 is fixedly installed on the output shaft of the second motor 14, and the end of the second shaft 15 away from the second motor 14 is also provided with a clamp 11, and the clamp 11 and the second shaft 15 on the fixed plate 10 The clamps 11 on the top correspond to each other.

It can be understood that, through the two clamps 11 corresponding to each other, it is convenient to clamp and fix the workpiece under the drive of the hydraulic rod 12, which facilitates the processing.

Embodiment two:

Please refer to Fig. 1 and Fig. 3, on the basis of the first embodiment, the fixture 11 includes a mounting frame 1101, the inner side of the mounting frame 1101 is threaded with a threaded rod 1102, and the upper end of the threaded rod 1102 is fixedly connected with a rotating head 1103, and the rotating head 1103 Located on the outside of the mounting frame 1101, it facilitates the rotation of the threaded rod 1102 for adjustment. The lower end of the threaded rod 1102 is rotatably connected to a positioning block 1104, and the side of the positioning block 1104 near the mounting frame 1101 is fixedly equipped with a slider 1105.

Wherein, the shape of the installation frame 1101 is in the shape of a letter "匸", and the installation frame 1101 is provided with a chute that is compatible with the slider 1105, and the slider 1105 is matched with the inner side of the chute, and the inner side of the installation frame 1101 is also provided with a screw thread. Rod 1102 fits in the threaded hole.

In addition, a second bearing is provided between the threaded rod 1102 and the positioning block 1104, wherein the threaded rod 1102 is in interference fit with the inner side of the second bearing, and the positioning block 1104 is fixedly installed with the outer side of the second bearing, which facilitates the rotation of the threaded rod 1102 adjust.

It should be noted that, the two clamps 11 on the fixed plate 10 and the second shaft rod 15, wherein, the clamp 11 in the fixed plate 10, the side of the mounting frame 1101 close to the fixed plate 10 is fixedly connected with a connecting rod, and connected at the same time The side of the bar near the fixed plate 10 is interference-fitted with a third bearing, and the third bearing is fixedly installed with the outer wall of the fixed plate 10, so that the mounting frame 1101 is movably installed to the outside of the fixed plate 10, which facilitates the rotation adjustment, and the second shaft The clamp 11 on the rod 15 is fixedly connected to the outside of the mounting frame 1101 with one end of the second shaft 15, so that the second motor 14 can drive the clamp 11 to rotate synchronously when the second shaft 15 is rotated, which facilitates adjustment.

Adopting the above-mentioned technical scheme, by turning the rotating head 1103, the threaded rod 1102 can be driven to rotate, so that the threaded rod 1102 can move longitudinally, thereby driving the positioning block 1104 to move, and driving the sliding block 1105 to slide synchronously along the inner side of the chute, realizing positioning The position of block 1104 is adjusted to facilitate securing the workpiece.

The working principle of the above-mentioned embodiment is:

When this embodiment is in use, the workpiece to be processed is placed between the two clamps 11, the hydraulic rod 12 is activated to push the mounting plate 13 to move, and drives the second motor 14, the second shaft 15 and the second shaft 15 The clamps 11 move synchronously, so that the two clamps 11 can clamp and fix the workpiece. At the same time, the rotating head 1103 drives the threaded rod 1102 to rotate, so that the threaded rod 1102 moves downward, and drives the positioning block 1104 to move synchronously, so that the positioning block 1104 moves downward. Move against the surface of the workpiece to further fix the workpiece. During processing, the first shaft 5 is driven to rotate by starting the first motor 4, and the main gear 6 is driven to rotate. The main gear 6 meshes with the slave gear 7 to rotate, and the slave gear 7 will drive the rotating rod 8 to rotate, and then drive the processing table 9 to rotate, so as to drive the workpiece to rotate horizontally, so that the CNC milling machine body 2 can process the workpiece on the side. In addition, if the other side of the workpiece needs to be processed, by starting the first The second motor 14 drives the second shaft 15 to rotate, so that the second shaft 15 can drive the clamp 11 to rotate synchronously, thereby driving the workpiece to rotate vertically, so that the CNC milling machine body 2 can process the other side of the workpiece.

The beneficial effect of above-mentioned embodiment is:

The positioning fixture is used for CNC gantry milling machine processing. The hydraulic rod 12 is used to push and cooperate with the two fixtures 11 to facilitate the clamping and fixing of the workpiece. The fixing effect is good and the processing is convenient. At the same time, the first shaft is driven by starting the first motor 4 5 rotation, under the cooperating transmission of the main gear 6, the slave gear 7 and the rotating rod 8, the processing table 9 can be driven to rotate, so as to drive the workpiece to rotate horizontally, and the second shaft rod 15 is driven to rotate by starting the second motor 14, so that the second shaft The rod 15 can drive the fixture 11 to rotate synchronously, thereby driving the workpiece to rotate vertically, so that the CNC milling machine body 2 can not only process the side of the workpiece, but also facilitate the processing of the other side of the workpiece, which improves the processing efficiency and has a good performance.

The electrical components appearing in the article are all electrically connected to the main controller and the power supply. The main controller can be a conventionally known device controlled by a computer, etc., and the existing public power connection technology will not be repeated in the article.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (8)

1. A positioning fixture for CNC gantry milling machine processing, comprising a gantry (1), the inboard of the gantry (1) is equipped with a CNC milling machine body (2), and the bottom of the CNC milling machine body (2) is provided with The platform (3), is characterized in that: a rotating mechanism is arranged between the platform (3) and the CNC milling machine body (2); The rotating mechanism includes a first motor (4), a first shaft (5) is fixedly installed on the output shaft of the first motor (4), and the first shaft (5) is far away from the first motor (4). ) is fixedly installed with a main gear (6), the outer side of the main gear (6) is meshed with a slave gear (7), and the inner side of the slave gear (7) is fixed with a rotating rod (8), and the rotating The upper end of bar (8) is fixedly connected with processing table (9), and the top of described processing table (9) is respectively provided with fixed plate (10) and hydraulic rod (12), and described fixed plate (10) is close to hydraulic rod ( One side of 12) is provided with a clamp (11), and the output shaft of the hydraulic rod (12) is fixedly connected with a mounting plate (13), and the mounting plate (13) is fixedly installed on the side close to the fixed plate (10) There is a second motor (14), and the output shaft of the second motor (14) is fixedly equipped with a second shaft rod (15), and the end of the second shaft rod (15) away from the second motor (14) is also Clamps (11) are provided. 2. a kind of positioning fixture for CNC gantry milling machine processing according to claim 1, is characterized in that: the left and right sides of described platform (3) are all fixedly connected with the inner wall of gantry (1), and described platform ( 3) and the bottom of the gantry (1) are located on the same level. 3. A positioning fixture for CNC gantry milling machine processing according to claim 1, characterized in that: the first motor (4) is fixedly mounted on the top of the platform (3), and the main gear (6) and Slave gear (7) is bevel gear. 4. A positioning fixture for CNC gantry milling machine processing according to claim 1, characterized in that: the lower end of the rotating rod (8) is interference-fitted with a first bearing, and the first bearing is fixedly mounted on the platform (3) at the top. 5. A positioning fixture for CNC gantry milling machine processing according to claim 1, characterized in that: the fixed plate (10) is fixedly installed on the top of the processing table (9), while the top of the processing table (9) A fixed frame (16) is fixedly installed, and the hydraulic rod (12) is fixedly installed on the top of the fixed frame (16). 6. A positioning fixture for CNC gantry milling machine processing according to claim 1, characterized in that: the fixture (11) on the fixed plate (10) and the fixture (11) on the second shaft (15) ) correspond to each other. 7. A positioning fixture for CNC gantry milling machine processing according to claim 1, characterized in that: the fixture (11) includes a mounting frame (1101), and the inner side of the mounting frame (1101) is threadedly connected with a threaded Rod (1102), the upper end of the threaded rod (1102) is fixedly connected with a rotating head (1103), the lower end of the threaded rod (1102) is rotatably connected with a positioning block (1104), and the positioning block (1104) is installed close to A slide block (1105) is fixedly installed on one side of the frame (1101). 8. A positioning fixture for CNC gantry milling machine processing according to claim 7, characterized in that: the profile of the mounting frame (1101) is in the shape of a letter "匸", and the mounting frame (1101) is provided with a sliding block (1105 ) compatible chute, the slide block (1105) is matched with the inner clearance of the chute.

Images