Stable bridge type gantry machining center

By setting up a screw in the protective box and using the motor-driven slider and scraper structure, the debris retention problem caused by screw exposure is solved, efficient debris removal and convenient replacement of scrapers are achieved, and the machining stability and efficiency of the gantry machining center are improved.

CN223198649UActive Publication Date: 2025-08-08SHANDONG TIDE PRECISION MASCH TOOL CO LTD
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Patent Information

Application Number
CN202422493397.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-08-08
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

In the prior art, the screw rod is directly exposed to the external environment, and its threaded structure is prone to retain debris, hindering the removal of debris in the installation groove, and affecting the processing efficiency and stability of the gantry machining center.

Method used

A screw is installed in the protective box of the processing seat, and the screw is driven to rotate through a forward and reverse motor. Combined with the slider, folding rod and cross plate, and used the scraper to remove debris. The scraper can be detached and replaced, and the guide rod and limiting assembly ensure stable movement.

Benefits of technology

Effectively remove debris in the installation groove, improves the processing efficiency and stability of the gantry machining center, ensures the optimal state of the scraper, and facilitates debris collection and processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a stable bridge type gantry machining center, which relates to the technical field of machining centers and comprises a machining seat, a portal frame is slidably arranged at the top of the machining seat, a machining table is arranged at the top of the portal frame, a plurality of mounting grooves are uniformly formed in the top end of the machining seat at intervals, and scrapers are arranged in the mounting grooves. Protective boxes are arranged on the two sides of the top end of the machining base, lead screws are rotationally arranged in the protective boxes, sliding blocks are in threaded connection with the surfaces of the lead screws through lead screw nuts, folding rods are arranged on one sides of the sliding blocks, a transverse plate is arranged between the two folding rods, and a clamping plate is arranged in the middle of the transverse plate in a clamped mode. The gantry machining center has the advantages that the lead screw can be protected conveniently, the lead screw is prevented from being exposed outside, normal use of the lead screw is not affected, removal of chippings in the mounting groove is effectively guaranteed, and the workpiece machining efficiency and stability of the gantry machining center are improved.
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Description

Technical Field

[0001] The utility model relates to a gantry machining center, in particular to a stable bridge-type gantry machining center, belonging to the technical field of machining centers. Background Art

[0002] A gantry machining center is one in which the spindle's Z-axis is perpendicular to the worktable. The overall structure is a large-scale machining center with a portal-like frame consisting of two columns and a top beam, with a crossbeam between the columns. It is particularly suitable for machining large and complex workpieces.

[0003] Among them, the "gantry machining center with strong stability" disclosed in the application number "202321701234.X" "comprises a base, a gantry is installed on the base, a workbench is installed on the upper end of the base and below the gantry, two driving screws are symmetrically installed on the left and right sides of the workbench, and a driving motor is installed at one end of the driving screw. A cleaning structure is installed on the workbench and the two driving screws, and the cleaning structure can slide back and forth on the workbench. The cleaning structure consists of a mounting base rod, a T-shaped cleaning block and a connecting plate. There are two connecting plates that are symmetrically installed on the left and right ends of the mounting base rod." In the utility model, by setting up a cleaning structure and cooperating with the driving screw and the driving motor, the T-shaped mounting groove opened at the upper end of the workbench can be cleaned conveniently and effectively, thereby avoiding metal debris clogging in the T-shaped mounting groove and affecting the normal fixation of the workpiece, and ultimately making the efficiency of processing workpieces by the gantry machining center more stable.

[0004] However, the above method still has the following defects: the T-shaped mounting groove is cleaned by driving the rotation of the screw rod in combination with the cleaning mechanism; but the screw rod is directly exposed to the external environment, and the dense thread structure on its surface becomes a retention point for debris, which hinders the effective removal of debris inside the mounting groove and affects the efficiency and stability of the gantry machining center in processing workpieces. Utility Model Content

[0005] The purpose of the present utility model is to provide a stable bridge-type gantry machining center to solve the problem proposed in the above-mentioned background technology that the screw rod is directly exposed, its threaded structure is prone to retain debris, hinders the removal of debris in the installation groove, and affects the machining efficiency and stability of the gantry machining center.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stable bridge-type gantry machining center, comprising a machining seat, a gantry is slidingly provided on the top of the machining seat, and a machining table is provided on the top of the gantry, a plurality of evenly spaced mounting grooves are opened on the top of the machining seat, and a scraper is provided inside the mounting groove, protective boxes are provided on both sides of the top of the machining seat, a screw is rotatably provided inside the protective box, a slider is threadedly connected to the surface of the screw through a screw nut, a folding rod is provided on one side of the slider, a cross plate is provided between the two folding rods, a card plate is clamped in the middle of the cross plate, and the top of the scraper is fixedly connected to the bottom end of the card plate.

[0007] As an optimal technical solution of the present invention, a collection component is provided at the bottom of both sides of the processing seat, and the collection component includes a collection box. The collection box is fixedly installed at the bottom of one side of the processing seat, and a collection box is slidingly provided inside the collection box. Handles are provided on the top of both sides of the collection box.

[0008] As a preferred technical solution of the present invention, the slider is slidably connected to the protective box, and two guide rods are slidably provided at the bottom of the slider, and both ends of the guide rods are fixedly connected to the inner wall of the protective box.

[0009] As a preferred technical solution of the present invention, a forward and reverse motor is provided on one side of the protection box, and the output shaft of the forward and reverse motor passes through the protection box and is fixedly connected to one end of the screw rod.

[0010] As an optimal technical solution of the present invention, a support frame is provided at the top of the horizontal plate, and a limit assembly is provided inside the support frame. The limit assembly includes two limit rods, and the two limit rods are symmetrically slidably arranged on the top of the support frame. A limit hole is provided on the top of the clamping plate to be plugged into and cooperate with the limit rod.

[0011] As an optimal technical solution of the present invention, a limiting plate is provided in the middle of the limiting rod, two springs are provided between the limiting plate and the support frame, and the springs are sleeved on the outside of the limiting rod, and pull plates are provided at the top ends of the two limiting rods.

[0012] As a preferred technical solution of the present invention, a protective plate is provided on the top of the protective box, and the protective plate is arranged to be inclined.

[0013] As a preferred technical solution of the present invention, the two forward and reverse motors are controlled by a synchronizer, and the threads of the two screw rods have the same rotation direction.

[0014] Compared with the related art, the stable bridge-type gantry machining center provided by the present invention has the following beneficial effects:

[0015] 1. The forward and reverse motor drives the screw to rotate, and combined with the screw nut and the guide rod, it is convenient to drive the two slides, two folding rods and the cross plate to move along the direction of the installation slot. Combined with the scraper carried by the card plate, it can penetrate into the installation slot and efficiently remove accumulated debris. By setting the screw inside the protective box, it is convenient to protect the screw, avoid the screw being exposed to the outside, affecting the normal use of the screw, effectively ensure the removal of debris inside the installation slot, and improve the efficiency and stability of workpiece processing of the gantry machining center.

[0016] 2. Through the set limit assembly, the user can easily operate the pull plate to drive the limit rod to lift up, so that the originally stable plug-in fit between the limit rod and the limit hole can be quickly and smoothly separated, and then the card plate set inside the horizontal plate can be disassembled, so that the scraper that has been in service for a long time and may be worn can be easily removed and replaced, ensuring that the scraper is always in the best condition and improving the efficiency and effect of scraping debris inside the installation groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the explosion structure of the processing seat of the utility model;

[0019] Figure 3 This is a schematic diagram of the explosion structure of the protective box of the utility model;

[0020] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure at point A;

[0021] Figure 5 This is a schematic diagram of the explosion structure of the limit assembly of the utility model;

[0022] Figure 6 This is a schematic diagram of the explosion structure of the collection component of the utility model.

[0023] In the figure: 1. Processing seat; 2. Gantry; 3. Processing table; 4. Mounting slot; 5. Protective box; 6. Screw; 7. Slider; 8. Folding rod; 9. Horizontal plate; 10. Support frame; 11. Limiting assembly; 1101. Limiting rod; 1102. Limiting plate; 1103. Spring; 1104. Limiting hole; 1105. Pull plate; 12. Card plate; 13. Scraper; 14. Guide rod; 15. Collecting assembly; 1501. Collecting box; 1502. Aggregate box; 1503. Handle; 16. Forward and reverse motor; 17. Protective plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-6 The utility model provides a stable bridge-type gantry machining center, including a machining seat 1, a gantry 2 is slidingly provided on the top of the machining seat 1, and a machining table 3 is provided on the top of the gantry 2. The machining table 3 is an existing device, and the gantry 2 and the machining table 3 can be controlled to move by a controller, so as to facilitate the machining operation of the workpiece on the top of the machining seat 1; a plurality of evenly spaced mounting grooves 4 are opened on the top of the machining seat 1, which are convenient for installing and fixing the workpiece, and a scraper 13 is provided inside the mounting groove 4, which is convenient for scraping the debris inside the mounting groove 4 with the scraper 13, so as to facilitate the cleaning of the debris, and finally the efficiency of machining workpieces by the gantry machining center can be made more stable, and protective boxes 5 are provided on both sides of the top of the machining seat 1 to prevent The internal rotation of the protective box 5 is provided with a screw rod 6. By arranging the screw rod 6 inside the protective box 5, it is convenient to protect the screw rod 6 and avoid the screw rod 6 being exposed to the outside, affecting the normal use of the screw rod 6. It effectively ensures the removal of debris inside the installation groove 4, and improves the efficiency and stability of the workpiece processing of the gantry machining center. The surface of the screw rod 6 is threadedly connected to the slider 7 through a screw nut. A folding rod 8 is provided on one side of the slider 7. A cross plate 9 is provided between the two folding rods 8. A card plate 12 is provided in the middle of the cross plate 9. The top end of the scraper 13 is fixedly connected to the bottom end of the card plate 12. A card plate 12 is provided to facilitate the disassembly of the card plate 12, and the disassembly and replacement of the scraper 13 that has been used multiple times is convenient, which is more convenient to use.

[0026] A support frame 10 is provided at the top of the horizontal plate 9, and a limiting assembly 11 is provided inside the support frame 10. The limiting assembly 11 includes two limiting rods 1101, which are symmetrically slidably arranged on the top of the support frame 10. A limiting hole 1104 is provided on the top of the clamping plate 12 to be plugged into the limiting rod 1101. By setting the limiting assembly 11, the limiting rod 1101 and the limiting hole 1104 are plugged into each other, so as to limit the clamping plate 12 and the plurality of scrapers 13.

[0027] A limiting plate 1102 is provided in the middle of the limiting rod 1101. Two springs 1103 are provided between the limiting plate 1102 and the support frame 10. The springs 1103 are sleeved on the outside of the limiting rod 1101. Pull plates 1105 are provided at the tops of the two limiting rods 1101. The limiting plates 1102 and springs 1103 can support the limiting rods 1101 in the vertical direction to prevent the limiting rods 1101 from falling off.

[0028] A protective plate 17 is provided at the top of the protective box 5, and the protective plate 17 is arranged to be inclined. By providing the protective plate 17 in an inclined state at the protective box 5, it can further play a role in shielding and protecting debris;

[0029] The bottom of both sides of the processing seat 1 is provided with a collecting assembly 15, and the collecting assembly 15 includes a collecting box 1501, which is fixedly installed at the bottom of one side of the processing seat 1. A collection box 1502 is slidably provided inside the collection box 1501, and handles 1503 are provided on the top of both sides of the collection box 1502. By providing the collection boxes 1501 and the collection boxes 1502 on both sides of the processing seat 1, the scraped debris can be collected uniformly, which is convenient for secondary utilization of the debris.

[0030] The slider 7 is slidably connected to the protective box 5. Two guide rods 14 are provided on the bottom of the slider 7. Both ends of the guide rods 14 are fixedly connected to the inner wall of the protective box 5. The guide rods 14 are provided to facilitate the slider 7 to play a limiting and guiding role when moving in the protective box 5, ensuring that the slider 7 moves stably on the surface of the screw rod 6.

[0031] A forward and reverse motor 16 is provided on one side of the protection box 5. The output shaft of the forward and reverse motor 16 passes through the protection box 5 and is fixedly connected to one end of the screw rod 6, so as to drive the two screw rods 6 to rotate synchronously.

[0032] The two forward and reverse motors 16 are controlled by a synchronizer, and the threads of the two screw rods 6 have the same rotation direction. The two forward and reverse motors 16 are controlled by the synchronizer to work synchronously, which makes it convenient to control the rotation of the two screw rods 6 at the same time. Combined with the fact that the threads of the two screw rods 6 have the same rotation direction, the slider 7 can be driven synchronously to move on the surface of the screw rod 6.

[0033] When in use, the gantry machining center can perform a series of machining operations on the workpiece at the machining seat 1. After the machining is completed, the machined workpiece is removed, and the debris generated during the machining process will accumulate inside the mounting groove 4. Then, by controlling the two forward and reverse motors 16 to work at the same time, the screw rod 6 is driven to rotate, and the screw nut and the guide rod 14 are combined to make the two sliders 7 move synchronously along the corresponding screw rod 6, thereby driving the two folding rods 8 and the cross plate 9 to move along the direction of the mounting groove 4, thereby driving the clamping plate 12 and the scraper 13 along. The mounting groove 4 is moved in the direction of movement, and combined with the clamping plate 12 and the scraper 13, the debris inside the mounting groove 4 and the debris at the processing seat 1 can be scraped, so that the debris is scraped into the collection box 1502 for unified collection. After the collection is completed, the collection box 1502 is removed by the handle 1503, and the collected debris can be uniformly processed. By arranging the screw rod 6 inside the protective box 5 for protective treatment, the normal use of the screw rod 6 is guaranteed, and the removal of the debris inside the mounting groove 4 is effectively guaranteed, thereby improving the efficiency and stability of the workpiece processing of the gantry machining center;

[0034] When the scraper 13 needs to be replaced after long-term use, the staff can stretch the pull plate 1105 upward to drive the two limit rods 1101 to move upward. At this time, the spring 1103 is in a stretched state, and the limit rods 1101 and the limit holes 1104 that are plugged into each other are separated from each other, making it easy to remove and replace the engaged card plate 12 and the scraper 13, ensuring that the scraper 13 always maintains the best condition and improving the efficiency and effect of scraping debris inside the installation groove 4.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stable bridge-type gantry machining center, comprising a machining base (1), characterized in that: A gantry (2) is slidably provided on the top of the processing seat (1), and a processing table (3) is provided on the top of the gantry (2). A plurality of evenly spaced mounting grooves (4) are provided on the top of the processing seat (1), and a scraper (13) is provided inside the mounting groove (4). Both sides of the top of the processing seat (1) are provided with a protective box (5), and a screw rod (6) is rotatably provided inside the protective box (5). The surface of the screw rod (6) is threadedly connected to a slider (7) through a screw nut. A folding rod (8) is provided on one side of the slider (7), and a horizontal plate (9) is provided between the two folding rods (8). A clamping plate (12) is clamped in the middle of the horizontal plate (9), and the top end of the scraper (13) is fixedly connected to the bottom end of the clamping plate (12).

2. The stable bridge gantry machining center according to claim 1, characterized in that: The bottom of both sides of the processing seat (1) is provided with a collecting assembly (15), and the collecting assembly (15) includes a collecting box (1501). The collecting box (1501) is fixedly installed at the bottom of one side of the processing seat (1), and a collection box (1502) is slidingly provided inside the collecting box (1501). The top of both sides of the collection box (1502) is provided with a handle (1503).

3. The stable bridge gantry machining center according to claim 1, characterized in that: The slider (7) is slidably connected to the protective box (5), and two guide rods (14) are slidably provided at the bottom of the slider (7). Both ends of the guide rods (14) are fixedly connected to the inner wall of the protective box (5).

4. The stable bridge-type gantry machining center according to claim 1, characterized in that: A forward and reverse motor (16) is provided on one side of the protection box (5), and an output shaft of the forward and reverse motor (16) passes through the protection box (5) and is fixedly connected to one end of the screw rod (6).

5. The stable bridge-type gantry machining center according to claim 1, characterized in that: A support frame (10) is provided at the top of the transverse plate (9), and a limiting assembly (11) is provided inside the support frame (10). The limiting assembly (11) includes two limiting rods (1101), and the two limiting rods (1101) are symmetrically slidably arranged on the top of the support frame (10). A limiting hole (1104) that is plugged into and matched with the limiting rod (1101) is opened at the top of the clamping plate (12).

6. The stable bridge-type gantry machining center according to claim 5, characterized in that: A limiting plate (1102) is provided in the middle of the limiting rod (1101), two springs (1103) are provided between the limiting plate (1102) and the support frame (10), and the springs (1103) are sleeved on the outside of the limiting rod (1101), and a pulling plate (1105) is provided at the top end of the two limiting rods (1101).

7. The stable bridge-type gantry machining center according to claim 1, characterized in that: A protective plate (17) is provided at the top end of the protective box (5), and the protective plate (17) is arranged to be inclined.

8. The stable bridge-type gantry machining center according to claim 4, characterized in that: The two forward and reverse motors (16) are controlled by a synchronizer, and the thread rotation directions of the two screw rods (6) are the same.

Citation Information

Patent Citations

  • Gantry machining center with high stability

    CN219967288U