Turnover device for spindle box of gantry machining center

Abstract

The utility model discloses a gantry machining center spindle box turnover device which comprises a fixing frame, lifting hooks are fixedly connected to the two sides of the top end of the fixing frame, a moving mechanism is arranged in the middle of the interior of the fixing frame, fixing arms are arranged on the two sides of the bottom end of the moving mechanism, and a limiting mechanism is arranged in one side of each fixing arm. The mounting seat is arranged at the bottom end of the fixing frame, when the assembling plate is inserted into the mounting seat, and the rotating rod on the mounting seat is rotated, the rotating rod can drive the bolt to rotate into the screw groove in the assembling plate through the movable disc, and at the moment, the counterweight ball at the bottom end of the assembling plate can be mounted at the bottom end of the fixing frame; at the moment, when the fixing frame moves or the spindle box overturns, the suspended balance weight ball is not prone to moving along with the overturning device due to the large inertia of the balance weight ball, so that a relative static state is formed, and shaking of the overturning device caused by vibration in the transportation or operation process can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to gantry machining center technical field, concretely is a gantry machining center main shaft box turnover device. BACKGROUND

[0002] The gantry machining center main shaft box turnover device is a device for improving processing flexibility and processing precision. The device is usually composed of an electric drive system, a turnover mechanism and a control system. Its main function is to quickly turn over the main shaft box during processing. By controlling the electric drive system, the turnover mechanism can accurately rotate the main shaft box within a specified angle range, thereby meeting the multi-surface processing needs of complex workpieces.

[0003] In the gantry machining center main shaft box turnover device disclosed in Chinese Patent No. CN217912866U, the gantry hoist belt is hung on the hook, the device is moved to the two sides of the main shaft box, the control switch of the double-shaft motor is started, the double-shaft motor is rotated, the threaded rod is rotated by the double-shaft motor, the threaded rod moves the threaded sleeve to the middle through the guide of the sliding block and the sliding groove, the threaded sleeve moves the support rod and the positioning disc to the middle, the distance between the two positioning discs is adjusted, which can fix the main shaft box of different sizes, then the bolt is inserted into the mounting hole, the main shaft box is fixed on the positioning disc for use. When the main shaft box needs to be turned over, the control switch of the rotating motor is started, the rotating motor is rotated, the rotating motor drives the rotating shaft to rotate, the rotating shaft drives the positioning disc to rotate, and then drives the main shaft box to turn over, realizing the arbitrary angle turning over of the main shaft box. However, the overall functionality of the turnover device is low, and when moving or turning over, it will be affected by external force, which may cause shaking, and the main shaft box may fall during the turning over process, thereby affecting the safety and stability of the main shaft box turning over. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a gantry machining center main shaft box turnover device to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a gantry machining center main shaft box turnover device, comprising a fixed frame, two sides of the top end of the fixed frame are fixedly connected with hooks, a moving mechanism is arranged at the middle position of the inside of the fixed frame, fixed arms are arranged at the two sides of the bottom end of the moving mechanism, a limiting mechanism is arranged inside one side of the fixed arm, a motor is installed at the bottom end of one side of the fixed arm, a positioning disc is installed at the output shaft end of the motor, mounting holes are arranged at the four surrounding positions of the inside of the positioning disc, and a stabilizing mechanism is arranged at the middle position of the bottom end of the fixed frame.

[0006] Preferably, the moving mechanism comprises a bidirectional shaft motor installed in the middle of the inner part of the fixed frame, threaded rods are installed at the output shaft ends on both sides of the bidirectional shaft motor, and a threaded block fixedly connected with the bottom end of the fixed arm is threadedly connected to one side of the threaded rods.

[0007] Preferably, the limiting mechanism comprises an electric push rod installed on one side of the inner part of the fixed arm.

[0008] Preferably, one side of the movable plate is fixedly connected with a plug rod, and a plurality of positioning grooves that are uniformly and equidistantly arranged on one side of the positioning disc are in plug-fit connection with the plug rod.

[0009] Preferably, the stabilizing mechanism comprises a mounting seat fixedly connected to the middle of the bottom end of the fixed frame, a rotating rod rotatably connected to the inner bottom end of the mounting seat, a movable disc fixedly connected to the top end of the rotating rod, and a bolt fixedly connected to the middle of the top end of the movable disc.

[0010] Preferably, an assembly plate is slidably connected to the inner part of the mounting seat, a plurality of screw grooves that are threadedly connected with the bolt are arranged around the inner part of the assembly plate, a hanging rope is fixedly connected to the middle of the bottom end of the assembly plate, and a counterweight ball is fixedly connected to the bottom end of the hanging rope.

[0011] Compared with the prior art, the present application has the following beneficial effects:

[0012] 1. The gantry machining center spindle box turnover device, by setting the mounting seat at the bottom end of the fixed frame, when the assembly plate is inserted into the inner part of the mounting seat and the rotating rod on the mounting seat is rotated, the rotating rod can drive the bolt to rotate into the screw groove on the assembly plate through the movable disc, at this time, the installation of the counterweight ball at the bottom end of the assembly plate can be completed, and when the fixed frame is moved or the spindle box is turned over, the suspended counterweight ball is not easy to move with the turnover device due to its large inertia, thereby forming a relative stationary state, which can effectively reduce the shaking of the turnover device caused by vibration during transportation or operation, and the safety and stability of the spindle box turnover are ensured.

[0013] 2. The gantry machining center spindle box turnover device, by setting a plurality of positioning grooves on one side of the positioning disc, when the spindle box on one side of the positioning disc is turned to a suitable angle by the motor, the movable plate and the plug rod can be moved by starting the electric push rod, at this time, the plug rod can be inserted into the positioning groove on the positioning disc to complete the locking work of the positioning disc, so that the spindle box is ensured to be stable after being turned over, and the accuracy of the use of the turnover device is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the present application.

[0015] Figure 2 It is a front view structural schematic diagram of the utility model;

[0016] Figure 3 It is a front view structural schematic diagram of the utility model Figure 2 It is an enlarged structural schematic diagram of A in the middle;

[0017] Figure 4 It is a side view structural schematic diagram of the positioning disc of the utility model.

[0018] In the drawing: 1, fixed frame; 101, lifting hook; 2, moving mechanism; 201, two-way shaft motor; 202, threaded rod; 203, threaded block; 3, fixed arm; 4, limiting mechanism; 401, electric push rod; 402, movable plate; 403, insertion rod; 5, motor; 6, positioning disc; 601, positioning slot hole; 602, mounting hole; 7, stabilizing mechanism; 701, mounting seat; 702, rotating rod; 703, movable disc; 704, bolt; 8, assembly plate; 801, screw groove; 802, lifting rope; 9, counterweight ball. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figures 1-4 The utility model provides two technical schemes:

[0021] Embodiment one, a gantry machining center spindle box turnover device, including fixed frame 1, the both sides of fixed frame 1 top are fixedly connected with lifting hook 101, the middle position of fixed frame 1 inside is provided with moving mechanism 2, the both sides of moving mechanism 2 bottom end are provided with fixed arm 3, the inside of fixed arm 3 one side is provided with limiting mechanism 4, and the bottom end of fixed arm 3 one side is installed with motor 5, and the output shaft end of motor 5 is installed with positioning disc 6, and the four around positions of positioning disc 6 inside are provided with mounting hole 602, and the middle position of fixed frame 1 bottom end is provided with stabilizing mechanism 7, and the two groups of lifting hooks 101 of fixed frame 1 top end can be hoisted and hung the turnover device whole, and the multiple mounting holes 602 in positioning disc 6 are set up and can be positioned disc 6 and the assembly work between spindle box through bolt.

[0022] The moving mechanism 2 comprises a bidirectional shaft motor 201 installed in the middle position inside the fixed frame 1, threaded rods 202 are installed at the output shaft ends on both sides of the bidirectional shaft motor 201, a threaded block 203 fixedly connected with the fixed arm 3 at the bottom is threadedly connected to one side of the threaded rod 202, and the bidirectional shaft motor 201 can drive the rotation of the threaded rods 202 on both sides when started, at this time, the threaded blocks 203 on the threaded rods 202 on both sides can drive the relative movement of the two groups of fixed arms 3 below the fixed frame 1, and make the fixed arms 3 drive the positioning disc 6 to tightly adhere to the outer surface of the spindle box.

[0023] The stable mechanism 7 comprises a mounting seat 701 fixedly connected at the middle position at the bottom of the fixed frame 1, a rotating rod 702 is rotatably connected inside the bottom of the mounting seat 701, an activity disc 703 is fixedly connected to the top end of the rotating rod 702, a bolt 704 is fixedly connected to the middle position at the top end of the activity disc 703, and the rotating rod 702 can drive the rotation of the bolt 704 through the activity disc 703 when the rotating rod 702 is rotated, and the installation of the assembly plate 8 at the middle position at the bottom of the fixed frame 1 can be completed when the bolt 704 is rotated into the screw groove 801 on the assembly plate 8.

[0024] The inside of the mounting seat 701 is slidably connected with the assembly plate 8, screw grooves 801 threadedly connected with the bolt 704 are arranged at the four around positions inside the assembly plate 8, a lifting rope 802 is fixedly connected to the middle position at the bottom of the assembly plate 8, a counterweight ball 9 is fixedly connected to the bottom of the lifting rope 802, and the counterweight ball 9 is connected with the assembly plate 8 through the lifting rope 802. During the moving or overturning of the overturning device, the counterweight ball 9 can effectively reduce the shaking of the overturning device caused by vibration during the moving or overturning process due to its inertia effect.

[0025] The main difference between the second embodiment and the first embodiment is that:

[0026] The gantry machining center spindle box overturning device comprises an electric push rod 401 installed inside one side of the fixed arm 3, an activity plate 402 is fixedly connected to one side of the electric push rod 401, a plug rod 403 is fixedly connected to one side of the activity plate 402, positioning groove holes 601 that are inserted with the plug rod 403 are uniformly arranged at equal distances on one side of the positioning disc 6, a plurality of positioning groove holes 601 are uniformly arranged at equal distances with the midpoint of the positioning disc 6 as the axis on the positioning disc 6, the position fixing after the rotation of the positioning disc 6 can be completed through the movement of the plug rod 403 pushed by the electric push rod 401, and the contents not described in detail in the specification all belong to the existing technology known to those skilled in the art.

[0027] The embodiment of the application is used as follows: the fixed frame 1 is started through the bidirectional shaft motor 201, the bidirectional shaft motor 201 can drive the threaded rods 202 on both sides to rotate, at this time, the threaded blocks 203 on the threaded rods 202 can drive the fixed arms 3 on the bottom ends of both sides of the fixed frame 1 to move relatively, meanwhile, the two groups of fixed arms 3 can drive the positioning disc 6 to be close to the outer surface of the main shaft box, at this time, the bolts are screwed into the screw grooves of the main shaft box through the mounting holes 602, the position of the main shaft box can be fixed, and the overturning device is lifted through the external hoisting assembly, at this time, the motor 5 is started to drive the positioning disc 6 to rotate, the positioning disc 6 can drive the main shaft box to rotate quickly.

[0028] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and the changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A gantry machining center spindle box turnover device comprising a fixing frame (1), characterized in that: The top end of the fixing frame (1) is fixedly connected with hooks (101), the middle of the inside of the fixing frame (1) is provided with a moving mechanism (2), the bottom of the moving mechanism (2) is provided with fixed arms (3), the inside of one side of the fixed arm (3) is provided with a limiting mechanism (4), the bottom of one side of the fixed arm (3) is provided with a motor (5), the output shaft end of the motor (5) is provided with a positioning disc (6), the inside of the positioning disc (6) is provided with mounting holes (602) around, and the middle of the bottom of the fixing frame (1) is provided with a stabilizing mechanism (7).

2. The gantry machining center spindle box turnover device according to claim 1, characterized in that: The moving mechanism (2) comprises a bidirectional shaft motor (201) mounted in the middle of the inside of the fixing frame (1), threaded rods (202) are mounted at the output shaft ends of the two sides of the bidirectional shaft motor (201), and threaded blocks (203) fixedly connected with the fixed arms (3) are threadedly connected on one side of the outside of the threaded rods (202).

3. The gantry machining center spindle box turnover device according to claim 1, characterized in that: The limiting mechanism (4) comprises an electric push rod (401) mounted on one side of the inside of the fixed arm (3), and a movable plate (402) is fixedly connected on one side of the electric push rod (401).

4. The gantry machining center spindle box turnover device according to claim 3, characterized in that: One side of the movable plate (402) is fixedly connected with a plug rod (403), and the positioning disc (6) is uniformly provided with positioning groove holes (601) inserted with the plug rod (403) on one side at equal distances.

5. The gantry machining center spindle head turnover device according to claim 1, characterized in that: The stabilizing mechanism (7) comprises a mounting seat (701) fixedly connected with the bottom of the fixing frame (1), a rotating rod (702) is rotatably connected to the inside of the bottom of the mounting seat (701), a movable disc (703) is fixedly connected to the top end of the rotating rod (702), and a bolt (704) is fixedly connected to the middle of the top end of the movable disc (703).

6. A gantry machining center spindle head turnover device according to claim 5, characterized in that: The inside of the mounting seat (701) is slidably connected with an assembly plate (8), the inside of the assembly plate (8) is provided with screw grooves (801) threadedly connected with the bolt (704) around, the middle of the bottom of the assembly plate (8) is fixedly connected with a lifting rope (802), and the bottom of the lifting rope (802) is fixedly connected with a counterweight ball (9).

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