Four-axis flexible multipurpose clamp

Abstract

The utility model discloses a four-axis flexible multipurpose clamp which comprises a base plate, a four-axis servo rotary table and a tailstock are fixedly installed on the top of the base plate, the four-axis servo rotary table and the tailstock are jointly connected with a bridge plate in a rotating mode, a plurality of positioning plates are fixedly installed on the bridge plate through bolts, and the positioning plates are all connected with the bridge plate in a positioning mode through positioning mechanisms. Clamping mechanisms are fixedly connected to the tops of the positioning plates; the clamping mechanism comprises a base fixedly installed on the top of the positioning plate, and two sliding blocks are connected into the base in a sliding mode. The four-axis servo rotary table is used in cooperation with the numerical control machining center, multi-angle machining of parts can be achieved, multiple to-be-machined parts can be clamped at a time due to the arrangement of the multiple clamping mechanisms, and therefore production efficiency is improved, in the actual production process, every two of the multiple clamping mechanisms can form one set so as to clamp long parts, and the machining efficiency is improved. And meanwhile, the same super-long-size part can be clamped at the same time, use is more flexible, and the production mode of flexible manufacturing is met.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a four-axis flexible multi-purpose clamp. Background Art

[0002] At present, the market has an increasing demand for the production of small batches of multiple varieties of parts. Due to the small number of parts to be processed, customizing special fixtures will greatly increase production costs, and each fixture can usually only clamp one part. In the actual production process, frequent shutdowns to replace clamped parts will affect production efficiency. For this reason, we propose a four-axis flexible multi-purpose fixture. Utility Model Content

[0003] The purpose of the utility model is to provide a four-axis flexible multi-purpose fixture to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A four-axis flexible multi-purpose fixture comprises a base plate, on the top of which a four-axis servo turntable and a tailstock are fixedly mounted, the four-axis servo turntable and the tailstock are rotatably connected to a bridge plate, a plurality of positioning plates are fixedly mounted on the bridge plate by bolts, the positioning plates are all positioned and connected to the bridge plate by a positioning mechanism, and the tops of the positioning plates are all fixedly connected to a clamping mechanism.

[0006] As a further solution of the utility model: the clamping mechanism includes a base fixedly installed on the top of the positioning plate, two sliders are slidably connected in the base, an open groove is provided through the top of the base, the top of the slider is fixedly connected with a clamping block after passing through the open groove, and a driving mechanism for driving the two sliders to move in opposite directions at the same time is installed on the base.

[0007] As a further solution of the utility model: the driving mechanism includes a bidirectional screw rotatably installed in the base, the sliders are sleeved on the bidirectional screw through threaded holes adapted to the bidirectional screw, and one end of the bidirectional screw passes through the base and is provided with a hexagonal hole.

[0008] As a further solution of the utility model: the positioning mechanism includes two positioning blocks, two grooves are provided at the top of the bridge plate and the corresponding positions of each positioning plate, the bottom end of the positioning block is located in the corresponding groove, and the positioning block is fixedly connected to the bridge plate by screws, and positioning grooves are provided at the bottom of the positioning plate and the corresponding positions of the positioning blocks, and the positioning grooves are adapted to the size of the positioning blocks.

[0009] As a further solution of the utility model: the positioning mechanism also includes a positioning pin, which is located between two corresponding grooves, and the top surface of the bridge plate and the bottom of the positioning plate are both provided with pin holes adapted to the positioning pin, and both ends of the positioning pin are located in the corresponding pin holes.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] In the utility model, through the use of a four-axis servo turntable in conjunction with a CNC machining center, multi-angle processing of parts can be achieved, and the provision of multiple clamping mechanisms can clamp multiple parts to be processed at one time, thereby improving production efficiency. In the actual production process, multiple clamping mechanisms can be grouped in pairs to clamp longer parts, and can also clamp the same extra-long parts at the same time, which is more flexible to use and meets the flexible manufacturing production mode. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a structural schematic diagram of a four-axis flexible multi-purpose fixture.

[0013] Figure 2 This is a structural schematic diagram of a clamping mechanism in a four-axis flexible multi-purpose fixture.

[0014] Among them, there are base plate 1, four-axis servo turntable 2, tailstock 3, bridge plate 4, pin hole 5, positioning pin 6, groove 7, positioning block 8, positioning plate 9, positioning groove 10, clamping mechanism 11, base 12, bidirectional screw 13, hexagonal hole 14, slider 15, open groove 16, clamping block 17. DETAILED DESCRIPTION

[0015] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention will be further described in detail in conjunction with the embodiments below. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0016] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0017] It should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation in the specification, and therefore cannot be understood as a limitation on the present invention.

[0018] In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features.

[0019] See also Figures 1-2 In an embodiment of the utility model, a four-axis flexible multi-purpose clamp includes a base plate 1, a four-axis servo turntable 2 and a tail stock 3 are fixedly installed on the top of the base plate 1, the four-axis servo turntable 2 and the tail stock 3 are connected to a bridge plate 4 for rotation together, a plurality of positioning plates 9 are fixedly installed on the bridge plate 4 by bolts, the positioning plates 9 are all positioned and connected to the bridge plate 4 by a positioning mechanism, and the top of the positioning plates 9 are all fixedly connected with a clamping mechanism 11.

[0020] The utility model adopts the above scheme, through the use of the four-axis servo turntable 2 in conjunction with the CNC machining center, it is possible to realize multi-angle processing of parts, and the provision of multiple clamping mechanisms 11 can clamp multiple parts to be processed at one time, thereby improving production efficiency. In the actual production process, multiple clamping mechanisms can be grouped in pairs to clamp longer parts, and can also clamp the same extra-long parts at the same time, which is more flexible to use and meets the production mode of flexible manufacturing.

[0021] Specific combination Figure 2 In one embodiment of the utility model, the clamping mechanism 11 includes a base 12 fixedly mounted on the top of the positioning plate 9, and two sliders 15 are slidably connected in the base 12. An open groove 16 is provided through the top of the base 12, and the top ends of the sliders 15 are fixedly connected with clamping blocks 17 after passing through the open groove 16. A driving mechanism for driving the two sliders 15 to move in opposite directions at the same time is installed on the base 12.

[0022] Furthermore, the driving mechanism includes a bidirectional screw 13 rotatably installed in the base 12, and the sliders 15 are sleeved on the bidirectional screw 13 through threaded holes adapted to the bidirectional screw 13. One end of the bidirectional screw 13 passes through the base 12 and is provided with a hexagonal hole 14.

[0023] By using the hexagonal wrench and the hexagonal hole 14, the bidirectional screw 13 can be operated to rotate, and then the two sliders 15 can be driven to move in opposite directions at the same time by using the thread cooperation of the bidirectional screw 13 and the slider 15 to adjust the distance between the two clamping blocks 17, thereby clamping the parts, which is simple and convenient to operate.

[0024] Specific combination Figure 1 In one embodiment of the utility model, the positioning mechanism includes two positioning blocks 8, and two grooves 7 are provided at the top of the bridge plate 4 and at the corresponding positions of each positioning plate 9. The bottom end of the positioning block 8 is located in the corresponding groove 7, and the positioning block 8 is fixedly connected to the bridge plate 4 by screws. A positioning groove 10 is provided at the bottom of the positioning plate 9 and at the corresponding position of the positioning block 8, and the positioning groove 10 is adapted to the size of the positioning block 8.

[0025] Furthermore, the positioning mechanism also includes a positioning pin 6, which is located between two corresponding grooves 7. The top surface of the bridge plate 4 and the bottom of the positioning plate 9 are both provided with pin holes 5 that are compatible with the positioning pin 6, and both ends of the positioning pin 6 are located in the corresponding pin holes 5.

[0026] Through the cooperation between the positioning pin 6 and the pin hole 5, and the cooperation between the positioning block 8 and the groove 7 and the positioning slot 10, each positioning plate 9 can be accurately positioned on the bridge plate 4, thereby ensuring the installation accuracy of the clamping mechanism.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may 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 shall be included in the protection scope of the present invention.

Claims

1. A four-axis flexible multi-purpose fixture, characterized in that: The invention comprises a base plate (1), a four-axis servo turntable (2) and a tailstock (3) are fixedly mounted on the top of the base plate (1), the four-axis servo turntable (2) and the tailstock (3) are rotatably connected to a bridge plate (4), a plurality of positioning plates (9) are fixedly mounted on the bridge plate (4) by means of bolts, the positioning plates (9) are all connected to the bridge plate (4) in a positioning manner by means of a positioning mechanism, and the tops of the positioning plates (9) are all fixedly connected to a clamping mechanism (11).

2. The four-axis flexible multi-purpose fixture according to claim 1, characterized in that: The clamping mechanism (11) comprises a base (12) fixedly mounted on the top of the positioning plate (9), two sliders (15) are slidably connected in the base (12), an open slot (16) is provided through the top of the base (12), and the top ends of the sliders (15) are fixedly connected with clamping blocks (17) after passing through the open slot (16), and a driving mechanism for driving the two sliders (15) to move in opposite directions simultaneously is installed on the base (12).

3. A four-axis flexible multi-purpose fixture according to claim 2, characterized in that: The driving mechanism comprises a bidirectional screw (13) rotatably mounted in a base (12); the sliders (15) are sleeved on the bidirectional screw (13) through threaded holes matching the bidirectional screw (13); one end of the bidirectional screw (13) passes through the base (12) and is provided with a hexagonal hole (14).

4. The four-axis flexible multi-purpose fixture according to claim 1, characterized in that: The positioning mechanism comprises two positioning blocks (8), two grooves (7) are provided at the top of the bridge plate (4) and at the corresponding positions of each positioning plate (9), the bottom end of the positioning block (8) is located in the corresponding groove (7), and the positioning block (8) is fixedly connected to the bridge plate (4) by screws, and a positioning groove (10) is provided at the bottom of the positioning plate (9) and at the corresponding position of the positioning block (8), and the size of the positioning groove (10) is adapted to that of the positioning block (8).

5. The four-axis flexible multi-purpose fixture according to claim 1, characterized in that: The positioning mechanism also includes a positioning pin (6), which is located between two corresponding grooves (7). The top surface of the bridge plate (4) and the bottom of the positioning plate (9) are both provided with pin holes (5) that are compatible with the positioning pin (6), and both ends of the positioning pin (6) are located in the corresponding pin holes (5).

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