Closed gantry

Abstract

The utility model discloses a closed gantry, which comprises a milling machine, a gantry and a gantry, supporting rods are arranged on the two sides of the top of the portal frame, the same protection frame is arranged on the tops of the two supporting rods, the two protection mechanisms are used for sealing the two sides of the protection frame, each protection mechanism comprises a protection assembly, two limiting grooves and sliding holes, the sliding holes are formed in the inner walls of the tops of the two limiting grooves, and driving mechanisms are arranged on the tops of the two protection mechanisms. The driving mechanism is used for rolling and stretching the protection assembly. By means of the arrangement mode that the supporting rods, the protection frame, the protection mechanism and the driving mechanism are matched, the two sides of the portal frame can be protected, the two sides of the protection frame can be adjusted at different heights through the protection assemblies, the two sides of the protection frame can be closed through the protection assemblies, and therefore the portal frame can be protected. The periphery of the portal frame can be conveniently subjected to dust-proof and water-retaining treatment, and workpieces on the milling machine can stably enter and exit from the inner cavity of the protection frame.

Description

Technical Field

[0001] The utility model relates to the technical field of milling machine equipment, in particular to a closed gantry. Background Art

[0002] Gantry milling machine, abbreviated as gantry milling machine, is a milling machine with a portal frame and a horizontal long bed. Multiple milling cutters can be used to process the surface at the same time on the gantry milling machine. The processing accuracy and production efficiency are relatively high. It is suitable for processing the plane and inclined surfaces of large workpieces in batch and mass production. The gantry is a gantry frame. The existing gantry milling machine will use a closed gantry for dust prevention, water blocking and other operations.

[0003] However, the structure of the closed gantry in the prior art is fixed, and the closed frames on both sides of the gantry are difficult to slide, and the two sides of the gantry cannot be protected at different heights at will, resulting in difficulty in getting the workpiece in and out of the milling machine during processing. Utility Model Content

[0004] The purpose of the utility model is to provide a closed gantry to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a closed gantry, comprising:

[0006] A milling machine having a gantry slidably connected to the top thereof;

[0007] Support rods are fixedly connected to both sides of the top of the gantry, and the tops of the two support rods are fixedly connected to the same protective frame. Protective mechanisms are provided on both sides of the protective frame, and the two protective mechanisms are used to close the two sides of the protective frame. The protective mechanism includes a protective component, two limiting grooves and a sliding hole, and the sliding hole is opened on the inner wall of the top of the two limiting grooves. A driving mechanism is provided on the top of the two protective mechanisms, and the driving mechanism is used for winding and extending the protective component.

[0008] Preferably, two adjacent limiting grooves are respectively provided at two sides of one end of the protection frame, and two sliding holes are respectively provided at two ends of the inner wall of the protection frame.

[0009] Preferably, the protection assembly comprises a winding roller, a protection cloth and a gravity bar, the protection cloth is wound on the outer wall of the winding roller, and the gravity bar is fixed to one end of the protection cloth.

[0010] Preferably, both ends of the winding roller are rotatably and interlacedly connected with both sides of the inner wall of the protection frame through bearings, and one end of the protection roll cloth is slidably connected with the inner cavity of the sliding hole.

[0011] Preferably, both sides of the gravity bar are respectively slidably and interlacedly connected with the inner walls of two adjacent limiting grooves, and the two winding rollers are respectively arranged on both sides of the inner cavity of the protection frame.

[0012] Preferably, the driving mechanism includes a rotating rod, two helical teeth, two worm wheels and a servo motor, the two helical teeth are fixed in opposite directions at both ends of the rotating rod, the helical teeth are meshed with the outer wall of the worm wheel, and the output end of the servo motor is transmission-connected to one end of the rotating rod.

[0013] Preferably, two ends of the rotating rod are respectively rotatably and interlacedly connected with two sides of one side of the protective frame, and the worm gear is fixed to one end of the winding roller.

[0014] Technical effects and advantages of the utility model:

[0015] The utility model utilizes a setting method in which support rods, protection frames, protection mechanisms and driving mechanisms are coordinated. Through the support rods, the protection frame can be stably fixed on the top of the gantry so that it can protect both sides of the gantry. Through the setting of the driving mechanism, the protection component can be stably unfolded so that the protection component can adjust the two sides of the protection frame to different heights, and the protection component can close the two sides of the protection frame, so as to facilitate dust and water protection treatment of the periphery of the gantry. Through the setting of the protection component, the workpiece on the milling machine can stably enter and exit the inner cavity of the protection frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic diagram of the overall side sectional structure of the utility model.

[0018] Figure 3 For this utility model Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0019] In the figure: 1. milling machine; 2. gantry; 3. support rod; 4. protection frame; 5. protection mechanism; 51. protection assembly; 511. winding roller; 512. protective cloth roll; 513. gravity bar; 52. limit groove; 53. sliding hole; 6. driving mechanism; 61. rotating rod; 62. spiral teeth; 63. worm gear; 64. servo motor. DETAILED DESCRIPTION

[0020] 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.

[0021] The utility model provides Figure 1-3 A closed gantry shown includes:

[0022] A milling machine 1 is slidably connected to a gantry 2 on the top thereof, and a processing head is arranged on the gantry 2 to facilitate stable processing of the workpiece on the milling machine 1;

[0023] Both sides of the top of the gantry 2 are fixedly connected with support rods 3, which do not affect the stable sliding of the processing head on the gantry 2, so that it does not affect the processing of the workpiece. The tops of the two support rods 3 are fixedly connected with the same protective frame 4, and both sides of the protective frame 4 are slotted structures. The two sides of the protective frame 4 are respectively matched with the two sides of the gantry 2, so that it can protect the two sides of the gantry 2, so that the protective frame 4 can stably follow the gantry 2 to stably move on the milling machine 1;

[0024] The protective frame 4 is provided with protective mechanisms 5 on both sides. The two protective mechanisms 5 are used to close the two sides of the protective frame 4. The protective mechanisms 5 include a protective component 51, two limiting grooves 52 and a sliding hole 53. The protective component 51 includes a winding roller 511, a protective cloth 512 and a gravity bar 513. The protective cloth 512 is made of a flexible material. The protective cloth 512 is wound on the outer wall of the winding roller 511. The gravity bar 513 is fixed to one end of the protective cloth 512. The two winding rollers 511 are respectively arranged on both sides of the inner cavity of the protective frame 4. The two ends of the winding roller 511 are respectively connected to the inner walls of the protective frame 4 on both sides through bearings for rotation and insertion, so that the winding roller 511 can stably wind up the protective cloth 512. The gravity bar 513 is arranged so that one end of the protective cloth 512 can stably unfold, thereby improving the convenience of closing the two sides of the protective frame 4 and facilitating the height adjustment of one end of the protective cloth 512 on both sides of the protective frame 4.

[0025] The sliding holes 53 are formed on the inner walls at the tops of the two limiting grooves 52. The two adjacent limiting grooves 52 are formed on both sides of one end of the protection frame 4. The two sliding holes 53 are formed on both ends of the inner wall of the protection frame 4. The bottom of the inner wall of the sliding hole 53 is in an arc-shaped structure. One end of the protective cloth roll 512 is slidably connected to the inner cavity of the sliding hole 53, so that the protective cloth roll 512 can slide stably. The two sides of the gravity bar 513 are slidably connected to the inner walls of the two adjacent limiting grooves 52, so that the gravity bar 513 facilitates the extension of one end of the protective cloth roll 512 and improves the stability of one end of the protective cloth roll 512.

[0026] A driving mechanism 6 is provided at the top of the two protection mechanisms 5. The driving mechanism 6 is used for winding and extending the protection component 51. The driving mechanism 6 includes a rotating rod 61, two spiral teeth 62, two worm gears 63 and a servo motor 64. The two ends of the rotating rod 61 are respectively connected to the two sides of one side of the protection frame 4 for rotation and insertion. The two spiral teeth 62 are fixed to the two ends of the rotating rod 61 in opposite directions. The spiral teeth 62 are meshed and connected with the outer wall of the worm gear 63. The worm gear 63 is fixed to one end of the winding roller 511. The output end of the servo motor 64 is connected to one end of the rotating rod 61 for transmission. The servo motor 64 is fixed to the protection frame through a support plate. 4, the servo motor 64 is electrically connected to the external power supply through an external switch, and the drive of the servo motor 64 facilitates the stable rotation of the rotating rod 61, and the two spiral teeth 62 can drive the two worm gears 63 to rotate in the opposite direction, so that the protective cloth 512 can be stably wound, and the protective cloth 512 can adjust the two sides of the protective frame 4 to different heights, so that the protective cloth 512 can close the two sides of the protective frame 4, and the periphery of the gantry 2 is dust-proof and water-proof. Through the setting of the protective component 51, the workpiece on the milling machine 1 can stably enter and exit the inner cavity of the protective frame 4.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A closed gantry, comprising: A milling machine (1) having a gantry (2) slidably connected to the top thereof; The invention is characterized in that: support rods (3) are fixedly connected to both sides of the top of the gantry (2); the tops of the two support rods (3) are fixedly connected to the same protective frame (4); protective mechanisms (5) are arranged on both sides of the protective frame (4); the two protective mechanisms (5) are used to close the two sides of the protective frame (4); the protective mechanism (5) comprises a protective component (51), two limiting grooves (52) and a sliding hole (53); the sliding hole (53) is opened on the inner wall of the top of the two limiting grooves (52); a driving mechanism (6) is arranged on the top of the two protective mechanisms (5); the driving mechanism (6) is used to reel in and extend the protective component (51).

2. A closed gantry according to claim 1, characterized in that: Two adjacent limiting grooves (52) are respectively provided at two sides of one end of the protection frame (4), and two sliding holes (53) are respectively provided at two ends of the inner wall of the protection frame (4).

3. A closed gantry according to claim 1, characterized in that: The protection component (51) comprises a winding roller (511), a protection cloth (512) and a gravity bar (513); the protection cloth (512) is wound on the outer wall of the winding roller (511); and the gravity bar (513) is fixed to one end of the protection cloth (512).

4. A closed gantry according to claim 3, characterized in that: The two ends of the winding roller (511) are rotatably connected to the inner wall of the protection frame (4) via bearings, and one end of the protection cloth (512) is slidably connected to the inner cavity of the sliding hole (53).

5. A closed gantry according to claim 3, characterized in that: The two sides of the gravity bar (513) are respectively connected to the inner walls of two adjacent limiting grooves (52) in a sliding manner, and the two winding rollers (511) are respectively arranged on the two sides of the inner cavity of the protection frame (4).

6. A closed gantry according to claim 1, characterized in that: The driving mechanism (6) comprises a rotating rod (61), two helical teeth (62), two worm wheels (63) and a servo motor (64); the two helical teeth (62) are fixed to the two ends of the rotating rod (61) in opposite directions; the helical teeth (62) are meshedly connected with the outer wall of the worm wheel (63); and the output end of the servo motor (64) is transmission-connected with one end of the rotating rod (61).

7. A closed gantry according to claim 6, characterized in that: The two ends of the rotating rod (61) are respectively rotatably connected to the two sides of one side of the protection frame (4), and the worm gear (63) is fixed to one end of the winding roller (511).

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