Flexible automatic adjusting center frame

Abstract

The utility model provides a flexible automatic adjustment center frame which comprises a center frame body, a first clamping jaw piece, a second clamping jaw piece and a driving assembly, the driving assembly comprises a front side end cover, a rear side end cover and a driving box body, the driving box body is fixedly installed between the front side end cover and the rear side end cover, and the rear side end cover is fixedly connected with the front side of the center frame body. A front installation convex body and a rear installation convex body are formed on the front side end cover and the rear side end cover respectively, the first clamping jaw piece and the second clamping jaw piece are installed between the front side end cover and the rear side end cover through the front installation convex body and the rear installation convex body respectively, and a first supporting roller and a second supporting roller are installed on the inner side of the first clamping jaw piece and the inner side of the second clamping jaw piece respectively. A mounting body is formed on one side of the driving box body, a third supporting roller is mounted in the mounting body, a hydraulic control box is fixedly mounted on the other side of the driving box body, and the interior of the hydraulic control box communicates with the interior of the driving box body. The clamping device has the advantages of being good in clamping stability and high in precision.

Description

Technical Field

[0001] This utility model belongs to the field of machine tool technology and relates to a flexible automatic adjustment center frame. Background Technology

[0002] Flexible automatic adjustment center rests have unique advantages and are widely used in many machining fields, such as shaft parts machining, pipe parts machining, disc parts machining, and complex-shaped parts machining.

[0003] Chinese patent publication number CN202224945U discloses a wide-range adjustable center rest for a machining cutting machine tool, including a mounting base, a center rest body mounted on the mounting base, three slots evenly distributed on the center rest body, a fixing bolt on the side wall of each slot, and an adjusting cylinder installed in each slot for adjusting the distance between the top wheel and the axis of the center rest body. A top wheel is installed at one end of each of the three adjusting cylinders located inside the center rest body. The mounting base of the center rest body is mounted on the guide rail of the machine tool. A top wheel is installed on the adjusting cylinder of the main body, and the adjusting cylinder is installed in the slot. The top wheel includes a top cylinder, which is cylindrical in shape. A sleeve is connected to one end face of the top cylinder, and an installation groove is provided on the other end face of the top cylinder. The two sides of the installation groove on the top cylinder are parallel to each other and symmetrical about the axis of the top cylinder. A bearing is installed in the installation groove, and the two ends of the bearing are connected to the two sides of the installation groove on the top cylinder. A roller is fitted on the bearing, and the radius of the roller is greater than the distance from the axis of the bearing to the end face of the top cylinder where the installation groove is located. The top wheel is connected to the adjusting cylinder through the sleeve.

[0004] When machining slender shaft parts using the wide-range adjustable machine tool center rest provided by this patent, the workpiece is prone to deformation due to its own weight, cutting force and other factors, resulting in a decrease in machining accuracy. This patent can only provide stable support by manually adjusting the fixing bolts and slots, which is inconvenient. Utility Model Content

[0005] The purpose of this invention is to address the aforementioned problems in the existing technology by providing a flexible, automatically adjustable center frame.

[0006] The objective of this utility model can be achieved through the following technical solution: A flexible automatic adjusting center frame includes a center frame body, a first gripper, a second gripper, and a drive assembly. The drive assembly includes a front end cover, a rear end cover, and a drive housing. The drive housing is fixedly installed between the front end cover and the rear end cover, and the rear end cover is fixedly connected to the front side of the center frame body. A front mounting protrusion and a rear mounting protrusion are respectively formed on the front end cover and the rear end cover. The first gripper and the second gripper are respectively installed between the front end cover and the rear end cover through the front mounting protrusion and the rear mounting protrusion. A first support roller and a second support roller are respectively installed on the inner side of the first gripper and the second gripper. A mounting body is formed on one side of the drive housing, and a third support roller is installed in the mounting body. A hydraulic control box is fixedly installed on the other side of the drive housing, and the interior of the hydraulic control box is connected to the interior of the drive housing.

[0007] In the aforementioned flexible automatic adjustment center frame, a mounting base is fixedly connected to the bottom of the center frame.

[0008] In the aforementioned flexible automatic adjustment center frame, a reversing valve and a pressure reducing valve are provided on the outside of the hydraulic control box.

[0009] In the aforementioned flexible automatic adjustment center frame, a first laser sensor is fixedly installed on the outside of the front end cover, and a second laser sensor is fixedly installed on the outside of the drive box.

[0010] Compared with the prior art, the flexible automatic adjustment center frame provided by this utility model has the following beneficial effects: 1. By connecting the front mounting protrusion and the rear mounting protrusion formed on the front end cover and the rear end cover of the drive device with the first gripper and the second gripper, the drive assembly can drive the first gripper and the second gripper to move synchronously, thereby realizing the function of automatically adjusting the gripper; 2. The first support roller and the second support roller are respectively provided on the inner side of the first gripper and the second gripper, and the mounting body and the third support roller are provided on one side of the drive box, so that this utility model can reduce wear on the workpiece and improve the processing accuracy during operation. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0012] Figure 2 This is a schematic diagram of the structure of this utility model from another angle.

[0013] In the diagram: 1. Central frame; 11. Mounting base; 2. First gripper; 3. Second gripper; 4. Drive assembly; 41. Front end cover; 42. Rear end cover; 43. Drive housing; 44. Front mounting protrusion; 45. Rear mounting protrusion; 46. Mounting body; 5. First support roller; 6. Second support roller; 7. Third support roller; 8. Hydraulic control box; 81. Reversing valve; 82. Pressure reducing valve; 9. First laser sensor; 10. Second laser sensor. Detailed Implementation

[0014] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0015] like Figures 1 to 2 As shown, this embodiment includes a central frame 1, a first gripper 2, a second gripper 3, and a drive assembly 4. The drive assembly 4 includes a front end cover 41, a rear end cover 42, and a drive housing 43. The rear end cover 42 is fixedly connected to the front side of the central frame 1, and the drive housing 43 is fixedly installed between the front end cover 41 and the rear end cover 42. A front mounting protrusion 44 and a rear mounting protrusion 45 are respectively formed on the front end cover 41 and the rear end cover 42. There are two of each type of mounting protrusion. The two front mounting protrusions 44 are located near the upper end and near the lower end of the front end cover 41, respectively. The two rear mounting protrusions 45 are located near the upper end and near the lower end of the rear end cover 42, respectively. The mounting protrusions and the rear mounting protrusions 45 are fixedly connected to the inner ends of the first gripper 2 and the second gripper 3, respectively. The first gripper 2 and the second gripper 3 are mounted between the front end cover 41 and the rear end cover 42 through the front mounting protrusions 44 and the rear mounting protrusions 45, respectively.

[0016] like Figures 1 to 2 As shown, a first support roller 5 is installed on the inner side of the first gripper 2, and a second support roller 6 is installed on the inner side of the second gripper 3. The first support roller 5 and the second support roller 6 extend out of the first gripper 2 and the second gripper 3, respectively. A mounting body 46 is formed on the side of the drive housing 43 near the first gripper 2 and the second gripper 3. A third support roller 7 is installed in the mounting body 46 and extends out of the mounting body 46. A hydraulic control box 8 is fixedly installed on the other side of the drive housing 43. The interior of the hydraulic control box 8 is connected to the interior of the drive housing 43. A reversing valve 81 and a pressure reducing valve 82 are provided on the exterior of the hydraulic control box 8. The reversing valve 81 controls the flow direction of the oil, and the pressure reducing valve 82 stabilizes the pressure inside the hydraulic control box 8, thus providing protection.

[0017] To elaborate further, such as Figures 1 to 2 As shown, a mounting base 11 is fixedly connected to the bottom of the central frame 1. The mounting base 11 is used to fix the connecting parts of the machine tool.

[0018] To elaborate further, such as Figures 1 to 2 As shown, a first laser sensor 9 is fixedly installed on the outside of the front end cover 41, and a second laser sensor 10 is fixedly installed on the outside of the drive box 43. The first laser sensor 9 plays the role of workpiece positioning and monitoring, and the second laser sensor 10 plays the role of preventing collision and interference.

[0019] The working principle of this utility model is as follows: the first gripper 2 and the second gripper 3 are opened and closed by the hydraulic control box 8. After the first laser sensor 9 senses the workpiece, the first gripper 2 and the second gripper 3 close. The first support roller 5, the second support roller 6 and the third support roller 7 clamp the workpiece at three angles respectively, so as to ensure the clamping stability of the workpiece by this utility model.

[0020] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0021] Although this document uses a variety of terms, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this invention; interpreting them as any additional limitation would contradict the spirit of this invention.

Claims

1. A flexible automatic adjusting center frame, comprising a center frame body (1), a first gripper (2), a second gripper (3), and a drive assembly (4), characterized in that: The drive assembly (4) includes a front end cover (41), a rear end cover (42), and a drive housing (43). The drive housing (43) is fixedly installed between the front end cover (41) and the rear end cover (42), and the rear end cover (42) is fixedly connected to the front side of the central frame (1). A front mounting protrusion (44) and a rear mounting protrusion (45) are respectively formed on the front end cover (41) and the rear end cover (42). The first gripper (2) and the second gripper (3) are respectively connected by the front mounting protrusion (44) and the rear mounting protrusion (45). A mounting protrusion (45) is installed between the front end cover (41) and the rear end cover (42). The first gripper (2) and the second gripper (3) are respectively equipped with a first support roller (5) and a second support roller (6). A mounting body (46) is formed on one side of the drive box (43). A third support roller (7) is installed in the mounting body (46). A hydraulic control box (8) is fixedly installed on the other side of the drive box (43). The interior of the hydraulic control box (8) is connected to the interior of the drive box (43).

2. The flexible automatic adjustment center frame according to claim 1, characterized in that: The bottom of the central frame (1) is fixedly connected to the mounting base (11).

3. The flexible automatic adjusting center frame according to claim 1, characterized in that: The hydraulic control box (8) is externally equipped with a directional valve (81) and a pressure reducing valve (82).

4. The flexible automatic adjustment center frame according to claim 1, characterized in that: A first laser sensor (9) is fixedly installed on the outside of the front end cover (41), and a second laser sensor (10) is fixedly installed on the outside of the drive box (43).

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