CN219747166U - A precisely positioned hydraulic fixture for combined machine tools - Google Patents

Abstract

The utility model discloses a hydraulic clamp for combined machine tools with precise positioning, which includes a base. An movable groove is provided inside the base, and electric push rods are installed on both sides of the movable groove. The inner sides of the electric push rod are both A movable block is installed, and a movable platform is installed on the top of the movable block, and a motor is installed inside the movable platform. During use, according to the type of parts currently being processed, the utility model starts the motor to drive the rotating base to rotate to rotate the corresponding clamp to the inside. After the adjustment is completed, the positioning rods are inserted into the positioning grooves on both sides, thereby realizing the rotation of the rotating base. The limiting and fixing function allows the combination of two different types of fixtures to meet different processing needs, save time and labor in replacing the fixed fixtures on the machine tool, improve work efficiency, and reduce usage costs.

Description

A precisely positioned hydraulic fixture for combined machine tools

Technical field

The utility model relates to the technical field of clamps, and in particular to a hydraulic clamp for combined machine tools with precise positioning.

Background technique

A fixture refers to a device used to fix the processing object in the mechanical manufacturing process so that it can occupy the correct position for construction or inspection. It is also called a fixture. In a broad sense, any process in the process is used to quickly, Devices that conveniently and safely install workpieces can be called fixtures. The fixture usually consists of positioning components, clamping devices, indexing devices, connecting components, and clamp bodies. In the process of machine tool processing, it is often necessary to use machine tool fixtures to The workpiece is fixed and positioned;

Chinese Patent Authorization Announcement No. CN218533632U discloses an easy-to-use machine tool clamp, which includes a base. A clamping mechanism is provided above the base, and a fixing mechanism is provided above the base. The clamping mechanism includes a fixed bin. The fixed warehouse is fixedly installed on the top of the base. A motor is fixedly installed on the left wall of the inner cavity of the fixed warehouse. The output shaft of the motor is fixedly connected to a rotating column through a coupling. The inner bottom wall of the fixed warehouse The rotary connection has a threaded rod. This easy-to-use machine tool fixture is equipped with a clamping mechanism, which solves the problem that the machine tool fixture places the object on the operating table and then rotates the screw to allow the fixture to clamp the object. However, the operation is more troublesome. , the clamping mechanism can automatically clamp the fixture on the machine tool operating table, so that the objects on the operating table can be fixed through the fixing mechanism. It is easy to use and does not require too much manual operation, thereby improving production efficiency. The above-mentioned existing technical solution has the following shortcomings: firstly, the applicable scope of the clamp is relatively limited during use of the existing technology, and there is inconvenience when targeting cylindrical parts, and the practicality needs to be improved; secondly, although the technical solution is passed The spring can buffer the workpiece when clamping, but it needs to be strengthened in terms of fixation and anti-sway after the buffering is completed.

Utility model content

The purpose of this utility model is to provide a hydraulic clamp for modular machine tools with accurate positioning, so as to solve the problem of the limited application range of the clamp proposed in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solution: an accurately positioned hydraulic clamp for a combined machine tool, including a base. An movable groove is provided inside the base, and electric push rods are installed on both sides of the movable groove. A movable block is installed on the inside of the electric push rod, and a movable platform is installed on the top of the movable block. A motor is installed on the inside of the movable platform. A rotating shaft is installed on the top of the movable platform, and the top of the rotating shaft is installed. Both sides are equipped with a rotating base, and positioning blocks are installed on both sides of the bottom of the rotating base. Positioning grooves are provided on both sides of the top of the movable table, and positioning rods are installed inside the positioning grooves through positioning blocks. A fixed plate is installed on the top of the rotating seat, and a clamping seat and a buffer seat are installed on both sides of the fixed plate. A buffer mechanism is provided inside the buffer seat, and the buffer mechanism includes a buffer groove. Buffer rods are installed inside, and one end of the buffer rod is equipped with a buffer spring. The end of the buffer rod away from the buffer spring is equipped with a V-shaped clamping plate. The two ends inside the clamping seat are respectively installed with lower pressure plates and Upper platen.

When using the accurately positioned hydraulic clamp of a combined machine tool of this technical solution, different processing needs can be met through the combined use of two different types of clamps, and the time and labor of replacing the fixed clamps on the machine tool can be saved, and work efficiency can be improved. Reduce usage costs.

Preferably, second magnets are installed at the bottom ends of the positioning rods, and first magnets are installed at the movable tables at the bottom ends of the positioning slots, and the first magnets are connected to the second magnets.

Preferably, the clamping seats are equipped with threaded rods inside, and the tops of the clamping seats are provided with threaded grooves, and the threaded grooves are connected to the threaded rods, and the tops of the threaded rods are equipped with handles. wheel, threaded sleeves are installed on the outsides of the threaded rods, and the threaded sleeves are connected to the upper pressure plate.

Preferably, guide blocks are installed at both ends of the threaded sleeve, guide grooves are provided at both ends inside the clamping seat, and the guide grooves are connected to the guide blocks.

Preferably, the width of the guide groove matches the width of the guide block, and both the guide groove and the guide block are arranged symmetrically with respect to the central axis of the thread sleeve.

Preferably, anti-skid pads are installed on the inside of the V-shaped clamping plate and on the top of the lower pressure plate, and anti-skid protrusions are evenly installed on the outside of the anti-skid pad.

Compared with the existing technology, the beneficial effects of the present utility model are: the accurately positioned hydraulic clamp of the combined machine tool realizes the functions of easy combination use and easy positioning;

During use, according to the type of parts currently being processed, start the motor to drive the rotation of the rotating base to rotate the corresponding fixture to the inside. After the adjustment is completed, the positioning rods are inserted into the positioning grooves on both sides to limit the rotation of the rotating base. Fixing effect, so that the combination of two different types of fixtures can meet different processing needs, and save the time and labor of replacing the fixed fixtures on the machine tool, improve work efficiency, reduce use costs, and further use V-shaped clamping When clamping the plate, the design of the inner V-shaped structure groove body can be applied to cylindrical parts of different sizes and diameters, and the parts can be corrected and centered to improve the quality and efficiency of part processing. At the same time, a buffer mechanism is set up to During the process, a certain buffer space can be formed through the action of the buffer spring to avoid damage to the workpiece due to hard clamping. During the continuous clamping process, the V-shaped clamping plate and the buffer seat fit together to ensure the buffer clamping of the workpiece. The final stability and anti-sway properties improve the processing quality of the workpiece. Furthermore, when using the upper and lower pressure plates, turn the handwheel to drive the threaded rod to rotate. Under the action of the threaded connection, the upper pressure plate is driven downward to clamp and fix the plate workpiece. , thereby meeting different processing needs and reducing costs;

During use, the electric push rod drives the movable block to move in the movable groove. The movable block drives the current clamp to move inward through the movable table at the same time to clamp and limit the workpiece. At the same time, it can drive the workpiece to be centered and positioned to increase the The accuracy of workpiece processing improves work efficiency.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic diagram of the three-dimensional structure of the present utility model;

Figure 2 is a schematic diagram of the three-dimensional cross-sectional structure of the clamping base of the present invention;

Figure 3 is a schematic diagram of the three-dimensional cross-sectional structure of the positioning rod of the present utility model;

Figure 4 is a schematic diagram of the three-dimensional cross-sectional structure of the movable platform of the present utility model;

Figure 5 is a schematic diagram of the three-dimensional cross-sectional structure of the buffer mechanism of the present utility model;

Figure 6 is a schematic diagram of the three-dimensional cross-sectional structure of the base of the present invention.

Reference symbols in the figure explain: 1. Clamping seat; 2. Buffering seat; 3. Base; 4. Rotating seat; 5. V-shaped clamping plate; 6. Anti-skid pad; 7. Anti-skid protrusion; 8. Fixed Plate; 9. Lower pressure plate; 10. Upper pressure plate; 11. Threaded sleeve; 12. Guide groove; 13. Guide block; 14. Threaded rod; 15. Threaded groove; 16. Hand wheel; 17. Positioning block; 18. Rotating shaft ; 19. First magnet; 20. Second magnet; 21. Positioning groove; 22. Positioning rod; 23. Motor; 24. Buffering mechanism; 2401. Buffering groove; 2402. Buffering rod; 2403. Buffering spring; 25. Electric Push rod; 26, movable block; 27, movable table; 28, movable slot.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model. Obviously, the description The embodiments are part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present utility model.

Please refer to Figures 1-6. An embodiment of the present utility model is provided: a precisely positioned hydraulic clamp for a combined machine tool, including a base 3. An movable groove 28 is provided inside the base 3, and both sides of the movable groove 28 are An electric push rod 25 is installed. A movable block 26 is installed on the inside of the electric push rod 25, and a movable platform 27 is installed on the top of the movable block 26. A motor 23 is installed on the inside of the movable platform 27, and the top of the movable platform 27 is installed on the electric push rod 25. A rotating shaft 18 is installed, and a rotating base 4 is installed on the top of the rotating shaft 18. Positioning blocks 17 are installed on both sides of the bottom of the rotating base 4. Positioning grooves 21 are provided on both sides of the top of the movable platform 27, and the positioning grooves 21 are Positioning rods 22 are installed inside through positioning blocks 17;

Second magnets 20 are installed at the bottom ends of the positioning rods 22, and first magnets 19 are installed inside the movable platform 27 at the bottom end of the positioning groove 21, and the first magnets 19 are connected to the second magnets 20;

Specifically, as shown in Figure 3, during use, the first magnet 19 and the second magnet 20 can serve to reinforce the positioning rod 22;

Fixed plates 8 are installed on the tops of the rotating seats 4, and clamping seats 1 and buffer seats 2 are installed on both sides of the fixed plate 8;

Threaded rods 14 are installed inside the clamping base 1. Threaded grooves 15 are provided at the tops inside the clamping base 1, and the threaded grooves 15 are connected to the threaded rods 14. Handwheels 16 are installed at the tops of the threaded rods 14. , threaded sleeves 11 are installed on the outside of the threaded rod 14, and the threaded sleeves 11 are connected to the upper pressure plate 10. Guide blocks 13 are installed at both ends of the threaded sleeve 11, and guide blocks 13 are installed at both ends of the clamping seat 1. groove 12, and the guide groove 12 is connected to the guide block 13. The width of the guide groove 12 matches the width of the guide block 13. The guide groove 12 and the guide block 13 are arranged symmetrically with respect to the central axis of the thread sleeve 11;

Specifically, as shown in Figure 2, during use, the threaded rod 14 is rotated to drive the threaded sleeve 11 to move, and further drives the upper pressure plate 10 to press down to clamp and limit the workpiece;

The buffer seat 2 is provided with a buffer mechanism 24 inside, and the buffer mechanism 24 includes a buffer groove 2401. A buffer rod 2402 is installed inside the buffer groove 2401, and a buffer spring 2403 is installed at one end of the buffer rod 2402. The buffer rod 2402 is away from One end of the buffer spring 2403 is equipped with a V-shaped clamping plate 5;

Anti-skid pads 6 are installed on the inside of the V-shaped clamping plate 5 and on the top of the lower pressure plate 9, and anti-skid protrusions 7 are evenly installed on the outside of the anti-skid pad 6;

Specifically, as shown in Figure 1, during use, the anti-slip pad 6 and anti-slip protrusions 7 can improve the anti-slip properties of the workpiece after clamping;

A lower pressure plate 9 and an upper pressure plate 10 are respectively installed at both ends of the inner side of the clamping seat 1 .

Working principle: When using this utility model, first start the motor 23 to drive the rotating base 4 to rotate according to the type of parts currently being processed, so as to rotate the corresponding clamp to the inside. After the adjustment is completed, the positioning rods 22 are inserted into the positioning grooves 21 on both sides. , that is, to realize the limiting and fixing effect on the rotating seat 4, further start the electric push rod 25 to drive the movable block 26 to move in the movable slot 28, and the movable block 26 drives the current clamp to move inward through the movable table 27 at the same time to clamp the workpiece. Holding the limit, and at the same time, it can drive the workpiece to be centered to increase the accuracy of workpiece processing and improve work efficiency. Therefore, the combination of two different types of fixtures can meet different processing needs and save the need to replace all parts of the machine tool. Fixing fixtures saves time and labor, improves work efficiency, reduces usage costs, and further improves usage.

In the description of the present utility model, it should be noted that, unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a removable connection. Detachable connection, or integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The device embodiments described above are only illustrative. The units described as separate components may or may not be physically separated. The components shown as units may or may not be physical units, that is, they may be located in One location, or it can be distributed across multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. Persons of ordinary skill in the art can understand and implement the method without any creative effort.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some of the technical features can be equivalently replaced; and these modifications or substitutions do not deviate from the essence of the corresponding technical solutions from the spirit of the technical solutions of the various embodiments of the present invention. and scope.

Claims (6)

1. A hydraulic clamp for combined machine tools with precise positioning, including a base (3), characterized in that: a movable groove (28) is provided inside the base (3), and both sides of the movable groove (28) are installed inside There is an electric push rod (25). A movable block (26) is installed on the inside of the electric push rod (25), and a movable platform (27) is installed on the top of the movable block (26). The movable platform (27) ) are equipped with motors (23) inside, a rotating shaft (18) is installed on the top of the movable platform (27), and a rotating base (4) is installed on the top of the rotating shaft (18). The rotating base (4) ) are equipped with positioning blocks (17) on both sides of the bottom end, and positioning grooves (21) are provided on both sides of the top of the movable table (27), and the inside of the positioning groove (21) is installed through the positioning blocks (17) There is a positioning rod (22), a fixed plate (8) is installed on the top of the rotating seat (4), and a clamping seat (1) and a buffer seat (2) are installed on both sides of the fixed plate (8). A buffer mechanism (24) is provided inside the buffer seat (2), and the buffer mechanism (24) includes a buffer groove (2401). A buffer rod (2402) is installed inside the buffer groove (2401), and A buffer spring (2403) is installed on one end of the buffer rod (2402), and a V-shaped clamping plate (5) is installed on the end of the buffer rod (2402) away from the buffer spring (2403). The clamping seat (1) A lower pressure plate (9) and an upper pressure plate (10) are respectively installed at both ends of the inner side. 2. A hydraulic clamp for combined machine tools with accurate positioning according to claim 1, characterized in that: the bottom ends inside the positioning rods (22) are equipped with second magnets (20), and the positioning grooves (21 ) The first magnets (19) are installed inside the movable platform (27) at the bottom, and the first magnets (19) are connected to the second magnets (20). 3. A hydraulic clamp for combined machine tools with precise positioning according to claim 2, characterized in that: the clamping seat (1) is equipped with a threaded rod (14) inside, and the clamping seat (1) The top ends of the interior are provided with threaded grooves (15), and the threaded grooves (15) are connected to the threaded rods (14). The tops of the threaded rods (14) are equipped with handwheels (16). The threaded rods (14) are equipped with handwheels (16). Threaded sleeves (11) are installed on the outer sides of (14), and the threaded sleeves (11) are connected with the upper pressure plate (10). 4. A hydraulic clamp for modular machine tools with precise positioning according to claim 3, characterized in that: guide blocks (13) are installed at both ends of the thread sleeve (11), and the clamping seat (1) Guide grooves (12) are provided at both ends of the interior, and the guide grooves (12) are connected to the guide blocks (13). 5. A hydraulic clamp for combined machine tools with precise positioning according to claim 4, characterized in that: the width of the guide groove (12) matches the width of the guide block (13), and the guide groove (12) matches the width of the guide block (13). 12) and the guide block (13) are arranged symmetrically with respect to the central axis of the thread sleeve (11). 6. A hydraulic clamp for combined machine tools with precise positioning according to claim 1, characterized in that: the inside of the V-shaped clamping plate (5) and the top of the lower pressure plate (9) are equipped with anti-slip pads (6 ), and anti-skid protrusions (7) are evenly installed on the outside of the anti-skid pad (6).