Disc type brake tailstock

Abstract

The utility model discloses a disc type brake tailstock, which relates to the technical field of brake tailstocks and comprises a machine tool table board, a mounting plate is arranged at the top end of the machine tool table board, the top end of the mounting plate is fixedly connected with a disc tailstock body through a supporting seat, and one end of the disc tailstock body is rotatably connected with a turntable; an adjusting assembly is arranged in the top end of the machine tool table top and comprises a moving groove, a moving block, a threaded rod, a sliding block, a sliding groove and a rotating handle. According to the disc type brake tailstock, the adjusting assembly is arranged, due to the fact that the bottoms of the moving block and the moving groove are both inclined planes, the moving block and the mounting plate can be pushed to move and height adjustment can be conducted only by rotating a rotating handle to drive a threaded rod to rotate, and the disc type brake tailstock body and the rotating disc can be suitable for numerical control machining of workpieces of various sizes; therefore, the situation that the workpiece collides with the machine tool table top is avoided, the machining quality of the workpiece is guaranteed, and loss of the machine tool table top is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to brake tail seat technical field, concretely is a disc brake tail seat. BACKGROUND

[0002] Brake tail seat is universally applied on numerical control machine tool, and is cooperated with the fixture of machine tool to realize the workpiece clamped and rotates a kind of mechanical equipment, brake tail seat can be moved relative to the guide rail on machine tool to adjust position, to adapt to the workpiece of different length, it supports workpiece in the processing, to improve processing efficiency and machining accuracy, disc brake tail seat belongs to brake tail seat, it has simple structure, good heat dissipation effect, braking response fast, braking force average, easy to maintain and multiple advantages, the disc brake tail seat structure of prior art generally includes tail seat body, carousel and rotating shaft;

[0003] The disc tail seat structure of prior art mostly adopts the mode of bolt fixation and is installed on machine tool, in the use process, the vibration generated when workpiece is processed can make bolt, connected between disc tail seat structure and machine tool, loose, to generate greater vibration, and easily damage relevant components, and also reduce the machining accuracy of workpiece;

[0004] In order to overcome the above-mentioned defects, the prior art (the Chinese patent with announcement number CN217452157U and application date of June 22, 2022) disc tail seat structure, after fixing disc tail seat on machine tool by bolt, limiting slide is stably shielded on the upper side of bolt in first screw hole under the action of compression spring, so that the vibration generated when workpiece is processed cannot easily cause bolt loosening, thereby avoiding generating greater vibration, which can better protect relevant components, and also ensure the machining accuracy of workpiece;At the same time, by adjusting assembly connected between limiting assembly and disc base, multiple clamping joints and clamping plates are matched from top to bottom on the side end of adjusting clamp holder, the distance between limiting assembly and upper surface of disc base can be flexibly adjusted according to the length of bolt, and the applicability is stronger;

[0005] Although the above-mentioned technology can complete the anti-loosening effect of bolt, but the device cannot conveniently adjust the working height of disc tail seat according to actual situation in actual working process, so that when the width of workpiece clamped on disc tail seat is large, the workpiece is easy to collide with machine tool in the process of rotating workpiece to carry out numerical control machining, thereby affecting the machining quality of workpiece, and also increasing the loss of machine tool;

[0006] In view of the above problems, it is urgent to make innovative design on the basis of original equipment, therefore we put forward a disc brake tail seat which can well solve the above problems. UTILITY MODEL CONTENTS

[0007] The purpose of the present utility model is to provide a disc brake tailstock to solve the problem that the device proposed in the above background technology cannot conveniently adjust the working height of the disc tailstock according to actual conditions during actual operation, resulting in that when the width of the workpiece clamped on the disc tailstock is large, it drives the workpiece to rotate during CNC machining, and the workpiece is prone to collision with the machine tool, which in turn affects the machining quality of the workpiece and also increases the wear and tear on the machine tool.

[0008] To achieve the above-mentioned object, the present invention provides the following technical solution: a disc brake tailstock, comprising a machine tool table, a mounting plate provided on the top of the machine tool table, a disc tailstock body fixedly connected to the top of the mounting plate via a support seat, and a turntable rotatably connected to one end of the disc tailstock body via an internal rotating shaft;

[0009] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion. The swing arm is connected to the swing arm by a threaded connection, and the swing arm is connected to the hook portion. The rod rotates, and the rotating threaded rod moves toward the inside of the machine tool table and pushes the moving block to move along the moving groove. At the same time, the slider at the end of the threaded rod slides within the internal limit of the slide groove to ensure the stability of the threaded rod pushing the moving block to move. Since the bottom of the moving block and the moving groove are both inclined, the moving block and the mounting plate will rise in height while moving. The working height of the disc tailstock body and the turntable can be conveniently adjusted according to actual conditions, making it suitable for CNC machining of workpieces of various sizes to avoid collision between the workpiece and the machine tool table, thereby ensuring the machining quality of the workpiece and reducing the loss to the surface of the machine tool table.

[0010] Preferably, the side walls of both sides of the moving block are formed with symmetrically distributed convex strips, and the inner walls of both sides of the moving groove are provided with oblique grooves. The two convex strips slide on the inner sides of the corresponding oblique grooves. Through the sliding connection between the convex strips and the oblique grooves, the sliding of the moving block in the moving groove can be limited to prevent it from falling out of the moving groove or sliding offset, thereby improving the stability of the adjustment of the disc tailstock body and the turntable height.

[0011] Preferably, mounting holes are provided around the surface of the mounting plate, and mounting grooves are provided below the top of the machine tool table corresponding to the four mounting holes. By using fastening bolts to pass through the mounting holes and be threadedly connected to the mounting grooves, the mounting plate, the disc tailstock body, and the turntable can be firmly installed on the machine tool table.

[0012] Preferably, the mounting groove is composed of several connected circular hole-shaped threaded grooves, and its overall length matches the horizontal distance that the moving block can move inside the moving groove. Through the special structure and fixed size of the mounting groove, the fixing of the mounting plate and the machine tool table by the fastening bolts can adapt to the movement and adjustment of the mounting plate, the disc tailstock body, and the turntable by the adjustment component.

[0013] Preferably, symmetrically distributed limiting components are provided on both sides of the top of the mounting plate, and the limiting components are located between two mounting holes on the same side.

[0014] Preferably, the limit assembly includes a fixing seat fixedly connected to the top of the mounting plate, the inner side of the fixing seat is slidably connected to a lifting block, the top of the lifting block is rotatably connected to an adjusting screw, the adjusting screw passes through the top of the fixing seat and is threadedly connected thereto, and the two ends of the lifting block are internally slidably connected to the limiting blocks, and a spring is fixedly connected between the inner wall of the lifting block and the limit block. The limit block is pushed by the spring to block above the fastening bolt inside the mounting hole, so that it can be limited to prevent it from loosening and falling off due to the vibration generated by the long-term operation of the device, thereby ensuring the processing accuracy of the device, and the height of the lifting block can be adjusted by rotating the adjusting screw, so that it is suitable for limiting fastening bolts of different thicknesses.

[0015] Preferably, a ball block is formed at the bottom end of the adjusting screw, and a ball groove is opened in the middle of the top end of the lifting block. The ball block is rotatably connected to the inside of the ball groove. Through the matching arrangement of the ball groove and the ball block, a stable rotational connection between the adjusting screw and the lifting block can be achieved.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the disc-type brake tailstock, by providing an adjustment component, since the bottoms of the moving block and the moving groove are both inclined, only the handle is rotated to drive the threaded rod to rotate, so that the moving block and the mounting plate can be pushed to move and adjust the height at the same time, so that the disc tailstock body and the turntable can be applied to CNC machining of workpieces of various sizes, so as to avoid collision between the workpiece and the machine tool table, thereby ensuring the machining quality of the workpiece and reducing the damage to the machine tool table. The specific contents are as follows:

[0017] (1) By setting up an adjustment component, since the bottom of the moving block and the moving groove are both inclined surfaces, it is only necessary to rotate the handle to drive the threaded rod to rotate, and the rotating threaded rod can push the moving block to move along the moving groove, and the moving block and the mounting plate will change in height while moving. The working height of the disc tailstock body and the turntable can be conveniently adjusted according to actual conditions, making it suitable for CNC machining of workpieces of various sizes to avoid collisions between the workpiece and the machine tool table, thereby ensuring the machining quality of the workpiece and reducing the damage to the machine tool table surface;

[0018] (2) The sliding connection between the convex strips on both sides of the moving block and the oblique grooves on both sides of the moving groove can limit the sliding of the moving block in the moving groove to prevent it from falling out of the moving groove or sliding offset, thereby improving the stability of the disc tailstock body and the turntable height adjustment;

[0019] (3) By coordinating the four mounting holes and the mounting slots, the mounting plate, the disc tailstock body, and the turntable can be securely mounted on the machine tool table by using fastening bolts passing through the mounting holes and being threadedly connected to the mounting slots. Furthermore, by virtue of the special structure and fixed dimensions of the mounting slots, the fastening bolts can fix the mounting plate and the machine tool table so as to adapt to the movement and adjustment of the mounting plate, the disc tailstock body, and the turntable by the adjustment assembly.

[0020] (4) By setting a limit assembly between the mounting holes, the spring can be used to push the limit block to block the top of the fastening bolt inside the mounting hole to limit it and prevent it from loosening and falling off due to the vibration generated by the long-term operation of the device, thereby ensuring the processing accuracy of the device, and the height of the lifting block can be adjusted by rotating the adjusting screw, so that it is suitable for limiting fastening bolts of different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall front view of the utility model;

[0022] Figure 2 It is a rear view structural diagram of the entire utility model;

[0023] Figure 3 This is a schematic diagram of the cross-section structure of the machine tool table of the utility model;

[0024] Figure 4 This is a schematic diagram of the separation structure of the machine tool table and the mounting plate of the utility model;

[0025] Figure 5 This is a partial structural diagram of the adjustment component of the utility model;

[0026] Figure 6 It is a schematic diagram of the cross-section structure of the fixing seat and the lifting block of the utility model.

[0027] In the figure: 1. Machine tool table; 2. Mounting plate; 3. Support seat; 4. Disc tailstock body; 5. Turntable; 6. Moving groove; 7. Moving block; 8. Raised strip; 9. Inclined groove; 10. Threaded rod; 11. Slider; 12. Slide; 13. Handle; 14. Mounting hole; 15. Mounting groove; 16. Fixed seat; 17. Lifting block; 18. Adjusting screw; 19. Ball block; 20. Limit block; 21. Spring. DETAILED DESCRIPTION

[0028] 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.

[0029] Example 1: Please refer to Figures 1-6 The utility model provides the following technical solutions: a disc brake tailstock, comprising a machine table 1, a mounting plate 2 is provided on the top of the machine table 1, a disc tailstock body 4 is fixedly connected to the top of the mounting plate 2 via a support base 3, and one end of the disc tailstock body 4 is rotatably connected to a turntable 5 via an internal rotating shaft;

[0030] An adjustment component is provided inside the top of the machine tool table 1. The adjustment component includes a moving groove 6 opened at the top of the machine tool table 1. The bottom end of the mounting plate 2 is fixedly connected to a moving block 7. The moving block 7 slides on the inner side of the moving groove 6, and the bottom ends of the moving groove 6 and the moving block 7 are both inclined structures. A threaded rod 10 is provided at one end of the moving block 7. The threaded rod 10 is threadedly connected to the inside of one end of the machine tool table 1, and one end thereof is fixedly connected to a slider 11. A slide groove 12 is provided on the end face of the moving block 7. The slider 11 is limited to slide on the inner side of the slide groove 12. The other end of the threaded rod 10 passes through the outside of the machine tool table 1 and is fixedly connected to a hand 13. By setting the adjustment component, the threaded rod 10 can be rotated by rotating the hand 13. , the rotating threaded rod 10 moves toward the inside of the machine tool table 1 and pushes the moving block 7 to move along the moving groove 6. At the same time, the slider 11 at the end of the threaded rod 10 slides within the internal limit of the slide groove 12 to ensure the stability of the threaded rod 10 pushing the moving block 7 to move. Since the moving block 7 and the bottom of the moving groove 6 are both inclined surfaces, the moving block 7 and the mounting plate 2 will rise in height while moving, and the working height of the disc tailstock body 4 and the turntable 5 can be conveniently adjusted according to actual conditions, so that it can be suitable for CNC machining of workpieces of various sizes to avoid collision between the workpiece and the machine tool table 1, thereby ensuring the machining quality of the workpiece and reducing the damage to the surface of the machine tool table 1.

[0031] Among them, the side walls of the moving block 7 are formed with symmetrically distributed convex strips 8, and the inner walls of the moving groove 6 are provided with inclined grooves 9. The two convex strips 8 slide on the inner sides of the corresponding inclined grooves 9. Through the sliding connection between the convex strips 8 and the inclined grooves 9, the sliding of the moving block 7 in the moving groove 6 can be limited to prevent it from falling out of the moving groove 6 or sliding offset, thereby improving the stability of the height adjustment of the disc tailstock body 4 and the turntable 5.

[0032] Example 2:

[0033] On the basis of embodiment 1, mounting holes 14 are provided around the surface of the mounting plate 2, and mounting grooves 15 are provided below the top of the machine tool table 1 corresponding to the four mounting holes 14. By using fastening bolts to pass through the mounting holes 14 and be threadedly connected to the mounting grooves 15, the mounting plate 2, the disc tailstock body 4, and the turntable 5 can be firmly mounted on the machine tool table 1. The mounting groove 15 is composed of a number of connected circular hole-shaped threaded grooves, and its overall length matches the horizontal distance that the moving block 7 can move within the moving groove 6. Through the special structure and fixed size of the mounting groove 15, the fastening bolts to the mounting plate 2 and the machine tool table 1 can be adapted to the adjustment of the mounting plate 2, the disc tailstock body 4, and the turntable 5 by the adjustment component;

[0034] A symmetrically distributed limit assembly is provided on both sides of the top of the mounting plate 2. The limit assembly is located between the two mounting holes 14 on the same side. The limit assembly includes a fixed seat 16 fixedly connected to the top of the mounting plate 2. A lifting block 17 is slidably connected to the inner side of the fixed seat 16. The top of the lifting block 17 is rotatably connected to an adjusting screw 18. Specifically, a ball block 19 is formed at the bottom end of the adjusting screw 18. A ball groove is provided in the middle of the top of the lifting block 17. The ball block 19 is rotatably connected to the inside of the ball groove. By cooperating with the ball groove and the ball block 19, a stable rotation connection between the adjusting screw 18 and the lifting block 17 can be achieved. The adjusting screw 18 passes through the top of the fixing seat 16 and is threadedly connected to it. The two ends of the lifting block 17 are internally slidably connected to the limit blocks 20. A spring 21 is fixedly connected between the inner wall of the lifting block 17 and the limit block 20. The spring 21 pushes the limit block 20 to block the top of the fastening bolt inside the mounting hole 14, so that it can be limited to prevent it from loosening and falling off due to the vibration generated by the long-term operation of the device, thereby ensuring the processing accuracy of the device, and the height of the lifting block 17 can be adjusted by rotating the adjusting screw 18, so that it is suitable for limiting fastening bolts of different thicknesses.

[0035] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or 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 invention should be included in the scope of protection of the present invention.

Claims

1. A disc brake tailstock, comprising a machine tool table (1), a mounting plate (2) being provided at the top of the machine tool table (1), a disc tailstock body (4) being fixedly connected to the top of the mounting plate (2) via a support base (3), and a turntable (5) being rotatably connected to one end of the disc tailstock body (4) via an internal rotating shaft; Its characteristics are: An adjustment component is provided inside the top of the machine tool table (1), and the adjustment component includes a moving groove (6) opened at the top of the machine tool table (1), and a moving block (7) is fixedly connected to the bottom end of the mounting plate (2), and the moving block (7) slides on the inner side of the moving groove (6), and the bottom ends of the moving groove (6) and the moving block (7) are both inclined structures, and a threaded rod (10) is provided at one end of the moving block (7), and the threaded rod (10) is threadedly connected to the inside of one end of the machine tool table (1), and one end thereof is fixedly connected to a slider (11), and a sliding groove (12) is provided on the end surface of the moving block (7), and the slider (11) is limitedly slid on the inner side of the sliding groove (12), and the other end of the threaded rod (10) passes through the outer side of the machine tool table (1) and is fixedly connected to a handle (13); The surface of the mounting plate (2) is provided with mounting holes (14) around it, and the top of the machine tool table (1) is provided with mounting grooves (15) below the four mounting holes (14); Both sides of the top of the mounting plate (2) are provided with symmetrically distributed limiting components, and the limiting components are located between two mounting holes (14) on the same side; The limit assembly includes a fixing seat (16) fixedly connected to the top of the mounting plate (2), a lifting block (17) is slidably connected to the inner side of the fixing seat (16), an adjusting screw (18) is rotatably connected to the top of the lifting block (17), the adjusting screw (18) passes through the top of the fixing seat (16) and is threadedly connected thereto, and the two ends of the lifting block (17) are internally slidably connected to the limit blocks (20), and a spring (21) is fixedly connected between the inner wall of the lifting block (17) and the limit block (20).

2. A disc brake tailstock according to claim 1, characterized in that: The side walls of the movable block (7) are formed with symmetrically distributed protrusions (8), and the inner walls of the movable groove (6) are provided with inclined grooves (9). The two protrusions (8) slide on the inner sides of the corresponding inclined grooves (9).

3. The disc brake tailstock according to claim 2, characterized in that: The mounting groove (15) is composed of a plurality of connected circular hole-shaped thread grooves, and its overall length matches the horizontal distance that the moving block (7) can move inside the moving groove (6).

4. The disc brake tailstock according to claim 1, characterized in that: A ball block (19) is formed at the bottom end of the adjusting screw (18), a ball groove is formed in the middle of the top end of the lifting block (17), and the ball block (19) is rotatably connected to the inside of the ball groove.

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