Center frame structure with movable upper body

Abstract

The utility model provides a center frame structure with a movable upper body, and belongs to the technical field of machining. The problems that an upper body of an existing center frame needs to be disassembled and assembled repeatedly, so that the operation process of the center frame is complex, and crankshaft parts cannot be supported by the center frame are solved. The center frame comprises a center frame upper body, a center frame lower body, a supporting mechanism moving sliding plate and a moving mechanism, the center frame upper body is of a C-shaped structure, and a supporting mechanism comprises a first supporting mechanism, a second supporting mechanism and a third supporting mechanism; the first supporting mechanism, the second supporting mechanism and the third supporting mechanism are arranged on the C-shaped structure of the center frame upper body in a telescopic mode in the axial lead direction of the first supporting mechanism, the second supporting mechanism and the third supporting mechanism, and the axial leads of the first supporting mechanism, the second supporting mechanism and the third supporting mechanism are located on the same plane and intersect at the same point. The device is mainly used for machining.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical processing, in particular to a center frame structure with a movable upper body. Background Art

[0002] At present, in the processing of horizontal machine tools, the center frame used is mostly a closed center frame with an upper and lower body structure. Due to the closed structural limitations of this center frame, the upper body must be removed before clamping and disassembling the workpiece and moving the center frame. This method is inoperable, occupies personnel and lifting equipment, and is also time-consuming. In addition, when encountering irregular parts such as crankshafts, even if the upper body is removed, the lower body cannot be used because it interferes with the crank. Utility Model Content

[0003] In view of this, the utility model aims to propose a center frame structure with a movable upper body to solve the problem that the existing center frame needs to repeatedly disassemble and assemble the center frame upper body, resulting in a complicated center frame operation process and the crankshaft parts cannot be supported by the center frame.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a center frame structure with a movable upper body, which includes a center frame upper body, a center frame lower body, a support mechanism moving slide plate and a moving mechanism, the center frame upper body is a C-shaped structure, the support mechanism includes a first support mechanism, a second support mechanism and a third support mechanism, the first support mechanism, the second support mechanism and the third support mechanism are all telescopically arranged on the C-shaped structure of the center frame upper body along their own axial center line directions, the axial center lines of the first support mechanism, the second support mechanism and the third support mechanism are located in the same plane and intersect at the same point, and the bottom of the center frame upper body is slidably arranged on the center frame lower body along the length direction of the center frame lower body through a moving mechanism.

[0005] Furthermore, the moving mechanism includes a moving slide, a moving nut and a moving screw rod. The moving slide is fixedly connected to the bottom of the upper body of the center frame, the moving nut is fixedly connected to the bottom of the moving slide, and the moving screw rod is rotatably arranged inside the lower body of the center frame along the length direction of the lower body of the center frame. Both ends of the moving screw rod are rotatably connected to the two ends of the lower body of the center frame through support bearings, and the moving nut is screwed on the moving screw rod.

[0006] Furthermore, a positioning shaft is provided on the movable slide plate, and the movable nut is fixedly connected to the movable slide plate via a fixed shaft.

[0007] Furthermore, the first supporting mechanism is tiltedly arranged at the top of the C-shaped structure of the center frame upper body, the second supporting mechanism is horizontally arranged in the middle of the C-shaped structure of the center frame upper body, and the third supporting mechanism is vertically arranged at the bottom of the C-shaped structure of the center frame upper body.

[0008] Furthermore, the first support mechanism, the second support mechanism and the third support mechanism have the same structure and all include a support screw, a support sleeve and a support roller. The support sleeve is telescopically arranged on the upper body of the center frame, one end of the support screw is rotatably connected to the upper body of the center frame, the other end of the support screw is threadedly connected to one end of the support sleeve, and the other end of the support sleeve is connected to the support roller.

[0009] Furthermore, a first gear is connected to the bottom of the support screw of the third support mechanism, a knob is rotatably provided on the movable slide, a second gear is connected to the bottom of the knob, and the first gear is meshed with the second gear for transmission.

[0010] Furthermore, a machine tool moving connection groove is provided on one side of the bottom of the lower body of the central frame, and a moving gear seat is provided in the machine tool moving connection groove.

[0011] Furthermore, a dovetail sliding track is arranged on the upper surface of the lower body of the central frame, and a dovetail groove adapted to the dovetail sliding track is opened on the lower surface of the movable slide plate, and the dovetail groove is slidably connected to the dovetail sliding track.

[0012] Furthermore, a locking screw is provided on the side wall of the movable slide, and one end of the locking screw passes through the side wall of the movable slide and contacts and cooperates with the dovetail sliding track.

[0013] Furthermore, a positioning block is provided at one end of the dovetail sliding track, and the positioning block is in contact with and cooperates with one end of the moving slide plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model provides a moving mechanism between the upper body of the center frame and the lower body of the center frame, so that the center frame can move in a direction perpendicular to the axis of the machine tool, thereby leaving the supporting area, thereby changing the traditional method of requiring repeated disassembly and assembly of the upper body of the center frame, simplifying the operating procedures of the center frame, and solving the problem that crankshaft parts cannot be supported by the center frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0016] Figure 1 It is a front view schematic diagram of a central frame structure with a movable upper body according to the utility model;

[0017] Figure 2 It is a side view schematic diagram of a central frame structure with a movable upper body according to the utility model;

[0018] Figure 3 A cross-sectional view of a front view schematic diagram of a center frame structure with a movable upper body according to the utility model;

[0019] Figure 4 It is a cross-sectional view of a part of the structure of a central frame structure with a movable upper body described in the utility model.

[0020] 1-center frame upper body, 2-support roller, 3-support sleeve, 4-support screw, 5-movable slide plate, 6-center frame lower body, 7-positioning block, 8-locking screw, 9-movable gear seat, 10-knob, 11-positioning shaft, 12-movable nut, 13-movable screw, 14-support bearing, 15-first gear, 16-second gear. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely explain the technical solutions in the embodiments of the utility model. It should be noted that the embodiments and features in the embodiments of the utility model can be combined with each other without conflict, and the described embodiments are only part of the embodiments of the utility model, not all of the embodiments.

[0022] See also Figure 1-4 The present embodiment describes a center frame structure with a movable upper body, which includes a center frame upper body 1, a center frame lower body 6, a supporting mechanism moving slide plate 5 and a moving mechanism. The center frame upper body 1 is a C-shaped structure, and the supporting mechanism includes a first supporting mechanism, a second supporting mechanism and a third supporting mechanism. The first supporting mechanism, the second supporting mechanism and the third supporting mechanism are all telescopically arranged on the C-shaped structure of the center frame upper body 1 along their own axial center line directions. The axial centers of the first supporting mechanism, the second supporting mechanism and the third supporting mechanism are located in the same plane and intersect at the same point. The bottom of the center frame upper body 1 is slidably arranged on the center frame lower body 6 along the length direction of the center frame lower body 6 by a moving mechanism. In this embodiment, a moving mechanism is provided between the center frame upper body 1 and the center frame lower body 6, so that the center frame can be moved in a direction perpendicular to the axis of the machine tool, thereby leaving the supporting area, which changes the traditional center frame's need to repeatedly disassemble and assemble the center frame upper body, simplifies the operating process of the center frame, and solves the problem that crankshaft parts cannot be supported by the center frame.

[0023] The moving mechanism described in this embodiment includes a moving slide plate 5, a moving nut 12 and a moving screw rod 13. The moving slide plate 5 is fixedly connected to the bottom of the upper body 1 of the center frame, and the moving nut 12 is fixedly connected to the bottom of the moving slide plate 5. The moving screw rod 13 is rotatably arranged inside the lower body 6 of the center frame along the length direction of the lower body 6 of the center frame. Both ends of the moving screw rod 13 are rotatably connected to the two ends of the lower body 6 of the center frame through support bearings 14. The moving nut 12 is screwed on the moving screw rod 13. In this embodiment, one end of the moving screw rod 13 passes through the lower body 6 of the center frame and is exposed. The rotation of the moving screw rod 13 is realized by rotating the exposed end. The rotation of the moving screw rod 13 drives the moving slide plate 5 through the moving nut 12 to realize the movement along the length direction of the lower body 6 of the center frame.

[0024] In this embodiment, a positioning shaft 11 is provided on the movable slide plate 5 , and the movable nut 12 is fixedly connected to the movable slide plate 5 via a fixed shaft. The positioning shaft 11 is used to fix the movable nut 12 to the bottom of the movable slide plate 5 .

[0025] In this embodiment, the first supporting mechanism is tilted at the top of the C-shaped structure of the center frame upper body 1C, the second supporting mechanism is horizontally arranged in the middle of the C-shaped structure of the center frame upper body 1C, and the third supporting mechanism is vertically arranged at the bottom of the C-shaped structure of the center frame upper body 1C. In this embodiment, the first supporting mechanism, the second supporting mechanism and the third supporting mechanism cooperate together to clamp the workpiece.

[0026] In this embodiment, the first supporting mechanism, the second supporting mechanism and the third supporting mechanism have the same structure and all include a supporting screw 4, a supporting sleeve 3 and a supporting roller 2. The supporting sleeve 3 is telescopically arranged on the upper body 1 of the center frame, one end of the supporting screw 4 is rotatably connected to the upper body 1 of the center frame, the other end of the supporting screw 4 is threadedly connected to one end of the supporting sleeve 3, and the other end of the supporting sleeve 3 is connected to the supporting roller 2. In this embodiment, the first supporting mechanism and the second supporting mechanism both realize the telescopic movement of the supporting sleeve 3 and the supporting roller 2 by rotating the exposed end of the supporting screw 4.

[0027] In this embodiment, the bottom of the support screw 4 of the third support mechanism is connected to a first gear 15, and a knob 10 is rotatably provided on the movable slide 5, and a second gear 16 is connected to the bottom of the knob 10. The first gear 15 and the second gear 16 are meshed for transmission. Since the support screw 4 of the third support mechanism has no exposed end, the first gear 15 is connected to the bottom of the support screw 4, and a knob 10 is rotatably provided on the movable slide 5 next to it, and the second gear 16 is connected to the bottom of the knob 10. The knob 10 controls the telescopic movement of the support sleeve 3 and the support roller 2 in the third support mechanism by meshing and transmitting the first gear 15 and the second gear 16.

[0028] In this embodiment, a machine tool moving connection groove is opened on one side of the bottom of the lower body 6 of the center frame, and a moving gear seat 9 is arranged in the machine tool moving connection groove. The lower body 6 of the center frame is connected to the machine tool through the machine tool moving connection groove, and the moving gear seat 9 realizes the overall movement of the center frame along the axial direction of the machine tool.

[0029] In this embodiment, the length direction of the center frame lower body 6 is the direction perpendicular to the axis of the machine tool.

[0030] In this embodiment, a dovetail sliding track is disposed on the upper surface of the lower body 6 of the central frame, and a dovetail groove adapted to the dovetail sliding track is formed on the lower surface of the movable slide plate 5, and the dovetail groove is slidably connected to the dovetail sliding track.

[0031] In this embodiment, a positioning block 7 is provided at one end of the dovetail sliding track, and the positioning block 7 contacts and cooperates with one end of the moving slide 5. A locking screw 8 is provided on the side wall of the moving slide 5, and one end of the locking screw 8 passes through the side wall of the moving slide 5 and contacts and cooperates with the dovetail sliding track. The center frame upper body 1 can be quickly aligned with the center of the machine tool by adjusting the positioning block 7. When the moving slide 5 hits the positioning block 7, the center frame upper body 1 has been aligned with the center. At this time, tightening the locking screw 8 can fix the position of the moving slide 5 to ensure stability during support.

[0032] When in use, the movable slide 5 is moved together with the center frame upper body 1 fixed thereon to a position away from the center of the machine tool to install the workpiece. After the workpiece is installed, the movable slide 5 drives the center frame upper body 1 to move to the center of the machine tool, and the locking screw 8 is tightened to fix the position of the center frame upper body 1. Then the workpiece can be aligned and processed. When the workpiece needs to be disassembled or the center frame upper body 1 needs to be moved to the next supporting position, the locking screw 8 needs to be loosened, and the movable slide 5 needs to be moved to a position away from the center of the machine tool, and then the center frame is moved as a whole along the axial direction of the machine tool.

[0033] The embodiments of the utility model disclosed above are only used to help explain the utility model. The embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. According to the content of this specification, many modifications and changes can be made. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model.

Claims

1. A central frame structure with a movable upper body, characterized in that: The invention comprises a central frame upper body (1), a central frame lower body (6), a support mechanism moving slide plate (5) and a moving mechanism. The central frame upper body (1) is a C-shaped structure. The support mechanism comprises a first support mechanism, a second support mechanism and a third support mechanism. The first support mechanism, the second support mechanism and the third support mechanism are all telescopically arranged on the C-shaped structure of the central frame upper body (1) along their own axial centerline directions. The axial centerlines of the first support mechanism, the second support mechanism and the third support mechanism are located in the same plane and intersect at the same point. The bottom of the central frame upper body (1) is slidably arranged on the central frame lower body (6) along the length direction of the central frame lower body (6) through the moving mechanism.

2. A center frame structure with a movable upper body according to claim 1, characterized in that: The moving mechanism comprises a moving slide plate (5), a moving nut (12) and a moving screw rod (13); the moving slide plate (5) is fixedly connected to the bottom of the center frame upper body (1); the moving nut (12) is fixedly connected to the bottom of the moving slide plate (5); the moving screw rod (13) is rotatably arranged inside the center frame lower body (6) along the length direction of the center frame lower body (6); both ends of the moving screw rod (13) are rotatably connected to the two ends of the center frame lower body (6) through support bearings (14); and the moving nut (12) is screwed onto the moving screw rod (13).

3. A center frame structure with a movable upper body according to claim 2, characterized in that: The movable slide plate (5) is provided with a positioning shaft (11), and the movable nut (12) is fixedly connected to the movable slide plate (5) via a fixed shaft.

4. The central frame structure with a movable upper body according to claim 1, characterized in that: The first supporting mechanism is arranged obliquely at the top of the C-shaped structure of the center frame upper body (1), the second supporting mechanism is arranged horizontally in the middle of the C-shaped structure of the center frame upper body (1), and the third supporting mechanism is arranged vertically at the bottom of the C-shaped structure of the center frame upper body (1).

5. A center frame structure with a movable upper body according to claim 4, characterized in that: The first support mechanism, the second support mechanism and the third support mechanism have the same structure, and all comprise a support screw (4), a support sleeve (3) and a support roller (2); the support sleeve (3) is telescopically arranged on the upper body (1) of the central frame; one end of the support screw (4) is rotatably connected to the upper body (1) of the central frame; the other end of the support screw (4) is threadedly connected to one end of the support sleeve (3); and the other end of the support sleeve (3) is connected to the support roller (2).

6. A center frame structure with a movable upper body according to claim 5, characterized in that: The bottom of the support screw (4) of the third support mechanism is connected to a first gear (15), a knob (10) is rotatably provided on the movable slide plate (5), the bottom of the knob (10) is connected to a second gear (16), and the first gear (15) and the second gear (16) are meshed for transmission.

7. The central frame structure with a movable upper body according to claim 1, characterized in that: A machine tool moving connection groove is provided on one side of the bottom of the lower body (6) of the central frame, and a moving gear seat (9) is arranged in the machine tool moving connection groove.

8. The central frame structure with a movable upper body according to claim 1, characterized in that: The upper surface of the lower body (6) of the central frame is provided with a dovetail sliding track, and the lower surface of the movable slide plate (5) is provided with a dovetail groove adapted to the dovetail sliding track, and the dovetail groove is slidably connected to the dovetail sliding track.

9. A center frame structure with a movable upper body according to claim 8, characterized in that: A locking screw (8) is provided on the side wall of the movable slide plate (5), and one end of the locking screw (8) passes through the side wall of the movable slide plate (5) and contacts and cooperates with the dovetail sliding track.

10. The central frame structure with a movable upper body according to claim 8, characterized in that: A positioning stopper (7) is provided at one end of the dovetail sliding track, and the positioning stopper (7) is in contact with and fits with one end of the moving slide plate (5).

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