Vertical machine tool beam lifting mechanism
By using the self -locking motor and transmission belt with self -locking function in the lifting mechanism of the vertical machine tool, the two screws are used at the same speed and simultaneous rotation, solving the need for two motors and multiple electrical signals in existing technologies. The issue of feedback simplifies the control logic and improves the stability of the equipment.
Patent Information
- Application Number
- CN202420337768.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-23
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-02-23
AI Technical Summary
The beam lifting mechanism of existing vertical machine tools requires two motors and multiple electrical signal feedback to achieve the lifting and lowering of the beam, which is cumbersome.
The lifting mechanism of the vertical machine tool beams is designed. By setting up a step motor with a self -locking function, the first active wheel rotation is driven. The turbus rotation is driven by the transmission belt to achieve the same speed of the same speed at the same speed, so as to achieve the realization of the same speed, so as to achieve the realization The lifting of the beam.
It only needs a motor to achieve the lifting of the beam, simplify the electrical control logic, and improve the stability of the equipment and the convenience of operation.
Smart Images
Figure CN222404379U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of machine tool crossbeams, in particular to a vertical machine tool crossbeam lifting mechanism. Background Art
[0002] The difference between a vertical lathe and an ordinary lathe is that its spindle is vertical, which is equivalent to standing an ordinary lathe upright. Since its workbench is in a horizontal position, it is suitable for processing heavy parts with large diameters and short lengths. The vertical machine tool includes a beam, and the vertical machine tool beam lifting structure can move the beam up and down.
[0003] The existing vertical machine tool beam lifting mechanism includes a motor, a lifting worm gear, a lifting worm, a screw, etc., which relies on the transmission of the worm gear and screw to drive the screw to rotate, thereby lifting the beam. However, this method requires that two motors be provided with energy for rotation separately, and electrical signals need to be transmitted to the two motors separately to control the lifting of the beam. The entire process requires the use of multiple electrical signal feedbacks to achieve, which is relatively cumbersome. Utility Model Content
[0004] The utility model overcomes the technical problems raised in the above background technology and provides a vertical machine tool crossbeam lifting mechanism.
[0005] In order to solve the above technical problems, the technical solution provided by the utility model is as follows: a vertical machine tool beam lifting mechanism comprises a bed, a gantry is provided on the bed, a beam body is lifted in front of the gantry, a driving cavity is provided in the bed, a driving device capable of lifting the beam is provided in the driving cavity, the driving device comprises a motor, the motor is located in the driving cavity, a first driving wheel is provided at the output end of the motor, screws are rotatably provided at both sides of the driving cavity, a first driven wheel is provided on one of the screws, a first transmission belt is provided between the first driving wheel and the first driven wheel, a second driven wheel is provided on the screw and at a position higher than the first driven wheel, a second transmission belt is provided between the second driven wheels, grooves are provided on both sides of the front of the gantry, one end of the screw extending into the groove is rotatably connected to the groove, a connecting block is threadedly connected to the screw, one end of the connecting block extending out of the groove is connected to the beam body, and a reinforcement device is provided between the beam body and the gantry.
[0006] As a further solution of the utility model, the reinforcement device includes a slide plate, which is located on both sides of the front of the gantry and is slidably connected to the gantry. A reinforcement plate is provided in front of the slide plate, and the other end of the reinforcement plate is fixedly connected to the bottom surface of the beam, forming a triangular structure between the reinforcement plate, the beam body and the gantry.
[0007] As a further solution of the utility model, the cross-section of the slide plate is U-shaped, and the slide plate is connected by sliding up and down along the gantry legs.
[0008] As a further solution of the utility model, the motor is a stepping motor with a self-locking function.
[0009] As a further solution of the utility model, the motor is located at the center of the bottom surface of the driving cavity, and the lead screws are symmetrically arranged at both sides of the motor.
[0010] Compared with the prior art, the utility model has the following advantages: a motor is provided to drive the first driving wheel to rotate, the first driving wheel drives the first driven wheel to rotate through the first transmission belt, thereby driving one of the lead screws to rotate, the lead screw drives the second driving wheel to rotate, and then drives the other second driving wheel to rotate through the second transmission belt, so that the two lead screws can rotate synchronously at the same speed and in the same direction, so that the crossbeam can be lifted and lowered, and the whole process only requires one motor to realize the lifting and lowering of the crossbeam. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 The utility model is a three-dimensional diagram of a vertical machine tool crossbeam lifting mechanism.
[0012] Figure 2 The utility model is a schematic diagram of the internal structure of a driving chamber of a vertical machine tool crossbeam lifting mechanism.
[0013] Figure 3 The utility model is an enlarged schematic diagram of the A-section structure of a vertical machine tool crossbeam lifting mechanism.
[0014] As shown in the figure: 1. Bed; 2. Gantry; 3. Beam body; 4. Drive chamber; 5. Motor; 6. First driving wheel; 7. Screw; 8. First driven wheel; 9. First transmission belt; 10. Second driven wheel; 11. Second transmission belt; 12. Groove; 13. Connecting block; 14. Slide plate; 15. Reinforcement plate. DETAILED DESCRIPTION
[0015] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0016] Combined with Figure 1 , Figure 2, a vertical machine tool beam lifting mechanism, comprising a bed 1, a gantry 2 is provided on the bed 1, a beam body 3 is provided in front of the gantry 2 for lifting, a driving chamber 4 is provided in the bed 1, a driving device capable of lifting the beam is provided in the driving chamber 4, the driving device comprises a motor 5, the motor 5 is located in the driving chamber 4, the motor 5 is a stepping motor with a self-locking function, a first driving wheel 6 is provided at the output end of the motor 5, both sides of the driving chamber 4 are rotatably provided with a lead screw 7, the motor 5 is located at the center of the bottom surface of the driving chamber 4, the lead screw 7 is symmetrically arranged at both sides of the motor 5, a first driven wheel 8 is provided on one of the lead screws 7, a first transmission belt 9 is provided between the first driving wheel 6 and the first driven wheel 8, a second driven wheel 10 is provided on the lead screw 7 and at a position higher than the first driven wheel 8, and a second transmission belt 11 is provided between the second driven wheels 10.
[0017] Combined with Figure 1 , Figure 3 Grooves 12 are provided on both sides of the front of the gantry 2, and one end of the screw rod extending into the groove 12 is rotatably connected to the groove 12. A connecting block 13 is threadedly connected to the screw 7, and one end of the connecting block 13 extending out of the groove 12 is connected to the beam body 3. A reinforcement device is provided between the beam body 3 and the gantry 2.
[0018] Combined with Figure 3 The reinforcing device includes a slide plate 14, which is located at both sides of the front of the gantry 2 and is slidably connected to the gantry 2. The cross-section of the slide plate 14 is U-shaped. The slide plate 14 is slidably connected up and down along the legs of the gantry 2. A reinforcing plate 15 is provided in front of the slide plate 14, and the other end of the reinforcing plate 15 is fixedly connected to the bottom surface of the beam. A triangular structure is formed between the reinforcing plate 15, the beam body 3, and the gantry 2.
[0019] When the utility model is implemented, the motor is first started, and the motor drives the first driving wheel to rotate. The first driving wheel drives the first driven wheel to rotate through the first transmission belt, thereby driving one of the lead screws to rotate, the lead screw drives the second driving wheel to rotate, and then drives the other second driving wheel to rotate through the second transmission belt, so that the two lead screws can rotate synchronously at the same speed and in the same direction. The whole process only requires one motor to realize the lifting and lowering of the beam. During the lifting and lowering process of the beam, under the action of the reinforcement device, a triangular structure is formed between the reinforcement plate, the beam, and the gantry, and the sliding plate is slidably connected to the gantry, which can make the lifting and lowering of the beam more stable and improve the stability of the equipment.
[0020] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.
Claims
1. A vertical machine tool crossbeam lifting mechanism, comprising a bed (1), wherein a gantry (2) is provided on the bed (1), and characterized in that: A crossbeam body (3) is provided in front of the gantry (2) for lifting, a driving chamber (4) is provided in the bed (1), a driving device capable of lifting the crossbeam is provided in the driving chamber (4), the driving device comprises a motor (5), the motor (5) is located in the driving chamber (4), a first driving wheel (6) is provided at the output end of the motor (5), screws (7) are rotatably provided at both sides of the driving chamber (4), a first driven wheel (8) is provided on one of the screws (7), and a first transmission belt (9) is provided between the first driving wheel (6) and the first driven wheel (8). A second driven wheel (10) is provided on the lead screw (7) and at a position higher than the first driven wheel (8); a second transmission belt (11) is provided between the second driven wheels (10); grooves (12) are provided on both sides of the front of the gantry (2); one end of the lead screw extending into the groove (12) is rotatably connected to the groove (12); a connecting block (13) is threadedly connected to the lead screw (7); one end of the connecting block (13) extending out of the groove (12) is connected to the crossbeam body (3); and a reinforcement device is provided between the crossbeam body (3) and the gantry (2).
2. A vertical machine tool crossbeam lifting mechanism according to claim 1, characterized in that: The reinforcing device comprises a slide plate (14), the slide plate (14) being located at both sides of the front of the gantry (2) and being slidably connected to the gantry (2), a reinforcing plate (15) being provided in front of each of the slide plates (14), the other end of the reinforcing plate (15) being fixedly connected to the bottom surface of the cross beam, and a triangular structure being formed between the reinforcing plate (15), the cross beam body (3) and the gantry (2).
3. A vertical machine tool crossbeam lifting mechanism according to claim 2, characterized in that: The cross section of the slide plate (14) is U-shaped, and the slide plate (14) is connected by sliding up and down along the legs of the gantry (2).
4. The vertical machine tool crossbeam lifting mechanism according to claim 1, characterized in that: The motor (5) is a stepping motor with a self-locking function.
5. The vertical machine tool crossbeam lifting mechanism according to claim 1, characterized in that: The motor (5) is located at the center of the inner bottom surface of the driving cavity (4), and the lead screws (7) are symmetrically arranged at both sides of the motor (5).