Turning clamp

By designing a turning fixture with curved clamp and screw, the problem of inconvenient fixation of the expansion cylinder when drilling the curved ear plate is solved, efficient clamping and precise drilling are achieved, and work efficiency and processing quality are improved.

CN222134154UActive Publication Date: 2024-12-10FOSHAN BAIJINYI PRECISE MASCH CO LTD
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Patent Information

Application Number
CN202323573643.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-26
Publication Date
2024-12-10
Estimated Expiration
2033-12-26

AI Technical Summary

Technical Problem

In the prior art, when drilling the arc-shaped ear plates of the support sleeve, it is necessary to frequently use expansion cylinders to fix and unfix, resulting in low working efficiency.

Method used

Design a turning fixture, by placing the support sleeve in a fixing frame, using the rotating first screw to drive the arc clamp to press the support sleeve on the arc baffle, thereby achieving clamping and fixing, and driving the clamping frame through the rotating shaft Flip, instead of the traditional expansion cylinder clamping method, combines calibration parts and pressure sensors to achieve precise drilling.

Benefits of technology

Improves work efficiency and clamping accuracy, simplifies the drilling process of curved ear plates, and improves processing quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is suitable for the technical field of machine tool machining, and provides a turning clamp which comprises a plurality of clamping frames. The clamping frame comprises a fixed frame; the adjacent fixing frames are inserted and matched; a sealing frame is in plug-in fit with the fixing frame; screw rods are rotationally arranged on two opposite side surfaces of the sealing frame; one side surface of the fixed frame is provided with a shaft sleeve, and the other opposite side surface is symmetrically provided with sliding rods; a first limiting piece in sliding fit with the shaft sleeve is rotationally arranged on one lead screw in a threaded mode. A second limiting piece in sliding fit with the sliding rod is rotationally arranged on the other lead screw in a threaded mode; the ends of the two lead screws are fixedly connected with sleeves. According to the device, a supporting sleeve is placed in a fixing frame, two first screws are rotated to drive the first screws to rotate forwards, two arc-shaped clamping plates are driven to press the supporting sleeve on two arc-shaped baffles, clamping and fixing of the supporting sleeve are achieved, a shaft sleeve is connected to a rotating shaft on a machine tool, and a clamping frame and the supporting sleeve are driven to be turned over. A traditional clamping and fixing mode through an expansion cylinder is replaced, and the working efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of machine tool processing, and more specifically, to a turning fixture. Background Art

[0002] The support sleeve is used to support and fix the support bearing, as shown in the attached manual. Figure 6 As shown, during the processing of the support sleeve, it is necessary to turn a shaft hole that is consistent with the diameter of the bearing, and at the same time, it is necessary to drill holes on the opposite sides of each group of arc-shaped ear plates.

[0003] In the prior art, when drilling holes in the arc-shaped ear plates, most of the time, an expansion tube is used to expand and fix the drilled axial hole to achieve clamping and fixing of the support sleeve. However, holes need to be drilled on both opposite sides of the arc-shaped ear plate. After fixing with the expansion tube, only one side of the arc-shaped ear plate can be drilled. Before drilling the other side of the arc-shaped ear plate, the expansion tube needs to be removed and reinstalled, which is time-consuming and labor-intensive and reduces work efficiency. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a turning fixture which places a support sleeve in a fixing frame, drives the first screw to rotate forward by rotating the two first screws, thereby driving the two arc-shaped clamping plates to press the support sleeve against the two arc-shaped baffles, thereby clamping and fixing the support sleeve, connecting the shaft sleeve to the rotating shaft on the machine tool, and driving the clamping frame together with the clamped support sleeve to be turned over through the rotation of the rotating shaft, thereby replacing the traditional clamping and fixing method through the expansion tube, thereby improving the work efficiency.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A turning fixture comprises a plurality of clamping frames; the clamping frames comprise a fixed frame; the adjacent fixed frames are plugged in from top to bottom; the topmost fixed frame is plugged in with a sealing frame; screw rods are rotatably provided on two opposite sides of the sealing frame; a sleeve is provided on one side of the fixed frame, and a sliding rod is symmetrically provided on the other opposite side; a first limit piece which is slidably matched with the sleeve is rotatably provided on one of the screw rods; a second limit piece which is slidably matched with the sliding rod is rotatably provided on the other screw rod; sleeves are fixedly connected to the ends of the two screw rods.

[0007] The utility model is further configured as follows: a support sleeve is clamped inside the clamping frame; the support sleeve comprises a support sleeve body; a plurality of arc-shaped ear plates are evenly arranged on the circumferential side of the support sleeve body; an axial hole is opened on the surface of the support sleeve body; and drill holes are symmetrically opened on the surface and bottom surface of the arc-shaped ear plate.

[0008] The utility model is further configured as follows: two adjacent inner walls of the fixed frame are fixedly connected with arc-shaped baffles adapted to the support sleeve; two other adjacent inner walls of the fixed frame are threadedly penetrated with a first screw rod rotatably provided; and the ends of the first screw rod are rotatably provided with an arc-shaped clamping plate.

[0009] The utility model is further configured as follows: the first limiting member includes a T-shaped plate; a first screw hole that is rotationally matched with the screw thread is opened on the side of the T-shaped plate; and a plurality of first sliding holes that are slidably matched with corresponding shaft sleeves are evenly opened on the side of the T-shaped plate from top to bottom.

[0010] The utility model is further configured as follows: the second position limiting member comprises a U-shaped plate; a second screw hole which is rotationally matched with the screw thread is opened on the side of the U-shaped plate; and second sliding holes which are slidingly matched with the corresponding sliding rod are evenly opened on the side of the U-shaped plate from top to bottom.

[0011] The utility model is further configured as follows: a rectangular frame is provided on the surface of the fixing frame, and a rectangular groove is provided on its bottom surface; the rectangular frame on the surface of the fixing frame is plugged into and matched with the rectangular groove on the bottom surface of the adjacent fixing frame; and a clamping groove is provided on the bottom surface of the sealing frame to be plugged into and matched with the rectangular frame.

[0012] The utility model is further configured as follows: first installation grooves are symmetrically provided at four corners of the bottom surface of the fixing frame; second installation grooves are symmetrically provided at four corners of the surface of the sealing frame; and calibration pieces can be inserted between two adjacent first installation grooves and between two adjacent second installation grooves.

[0013] The utility model is further configured as follows: the calibration piece includes an L-shaped plate; two adjacent side surfaces of the L-shaped plate are fixedly connected with plug plates that are plugged into and fit with two adjacent first mounting grooves; a fixing tube is fixedly connected between the inner walls of the L-shaped plate; a second screw is slidably arranged inside the fixing tube; a supporting spring is connected between the second screw and the inner bottom surface of the fixing tube; scale lines are evenly arranged on the circumferential side surface of the second screw from top to bottom; a rubber ball is arranged on the end of the second screw, and a pressure plate is threadedly arranged on the circumferential side surface; a pressure sensor is arranged on the surface of the L-shaped plate; the input end of the external controller is electrically connected to the pressure sensor, and the output end of the external controller is electrically connected to the external drilling machine.

[0014] The advantages of the utility model are:

[0015] 1. The utility model places the support sleeve in a fixed frame, drives the first screw to rotate forward by rotating the two first screws, thereby driving the two arc-shaped clamping plates to press the support sleeve against the two arc-shaped baffles, thereby clamping and fixing the support sleeve, and connecting the shaft sleeve to the rotating shaft on the machine tool. The rotation of the rotating shaft can drive the clamping frame and the clamped support sleeve to turn over, replacing the traditional clamping and fixing method through the expansion tube, thereby improving work efficiency.

[0016] 2. According to actual production needs, the utility model plugs and assembles multiple groups of fixing frames, plugs the sealing frame into the uppermost fixing frame, selects the corresponding first limiting member and the second limiting member, fixes the multiple groups of fixing frames and the sealing frame together, realizes the clamping and fixation of support sleeves of the same shape but different heights, and improves the applicability of the device.

[0017] 3. Before drilling the arc-shaped ear plate, the utility model inserts the calibration part into the corresponding position, adjusts the height of the external drilling machine so that the drill bit is on the surface of the arc-shaped ear plate, at this time, the rubber ball is against the drilling machine casing, and the scale line at this time is recorded. The rotating pressure plate is adjusted according to the actual drilling depth. When drilling to the specified depth, the pressure plate presses the pressure sensor and transmits the signal to the external controller. The external controller controls the external drilling machine to stop, thereby improving the accuracy of the drilling depth and thus improving the processing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model is a structural schematic diagram of a turning fixture.

[0019] Figure 2 It is a structural schematic diagram of a turning fixture in a clamping state of the utility model.

[0020] Figure 3 It is a structural schematic diagram of the clamping frame of the utility model.

[0021] Figure 4 It is a structural schematic diagram of the clamping frame of the utility model from another angle.

[0022] Figure 5 It is a structural schematic diagram of the sealing frame of the utility model.

[0023] Figure 6 It is a structural schematic diagram of the support sleeve of the utility model.

[0024] Figure 7 It is a structural schematic diagram of the first limiting member of the utility model.

[0025] Figure 8 It is a structural schematic diagram of the second limiting member of the utility model.

[0026] Fig. 9 It is a structural schematic diagram of the calibration component of the utility model.

[0027] In the figure: 1, clamping frame; 2, fixing frame; 3, sealing frame; 4, screw rod; 5, sleeve; 6, slide rod; 7, first limiter; 8, second limiter; 9, sleeve; 10, support sleeve; 11, support sleeve body; 12, arc ear plate; 13, shaft hole; 14, drilling hole; 15, arc baffle; 16, first screw rod; 17, arc clamping plate; 18, T-shaped plate; 19, first screw hole; 20, first Sliding hole; 21, U-shaped plate; 22, second screw hole; 23, second sliding hole; 24, rectangular frame; 25, rectangular groove; 26, snap-in groove; 27, first mounting groove; 28, second mounting groove; 29, calibration piece; 30, L-shaped plate; 31, plug plate; 32, fixing tube; 33, second screw rod; 34, supporting spring; 35, scale line; 36, rubber ball; 37, pressure plate; 38, pressure sensor. DETAILED DESCRIPTION

[0028] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0029] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0030] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0031] Embodiment 1

[0032] See also Figure 1-9 , the utility model provides the following technical solutions:

[0033] Specifically, it refers to a turning fixture, including a plurality of clamping frames 1; the clamping frame 1 includes a fixed frame 2; the adjacent fixed frames 2 are plugged in from top to bottom; the uppermost fixed frame 2 is plugged in with a sealing frame 3; the two opposite sides of the sealing frame 3 are rotatably provided with screw rods 4; a side of the fixed frame 2 is provided with a sleeve 5, and the other opposite side thereof is symmetrically provided with a sliding rod 6; a first limit piece 7 which is slidably matched with the sleeve 5 is threadedly rotatably provided on one screw rod 4; a second limit piece 8 which is slidably matched with the sliding rod 6 is threadedly rotatably provided on the other screw rod 4; the ends of the two screw rods 4 are fixedly connected with sleeves 9.

[0034] The specific application of this embodiment is: according to actual production needs, multiple groups of fixing frames 2 are plugged and assembled, and the sealing frame 3 is plugged into the uppermost fixing frame 2, and the matching first limit member 7 and the second limit member 8 are selected to fix the multiple groups of fixing frames 2 and the sealing frame 3 together, so as to realize the clamping and fixing of the support sleeves 10 of the same shape but different heights, thereby improving the applicability of the device; the support sleeve 10 is clamped and fixed by the clamping frame 1, and the clamping frame 1 is connected to the rotating shaft on the machine tool. The rotation of the rotating shaft can drive the clamping frame 1 together with the clamped support sleeve 10 to be turned over, thereby replacing the traditional clamping and fixing method through the expansion tube, thereby improving the work efficiency.

[0035] Embodiment 2

[0036] See also Figure 1-9 , the second embodiment makes the following improvements on the basis of the first embodiment. Specifically, the clamping frame 1 has a support sleeve 10 clamped inside; the support sleeve 10 includes a support sleeve body 11; a plurality of arc-shaped ear plates 12 are evenly arranged on the side of the support sleeve body 11; an axial hole 13 is opened on the surface of the support sleeve body 11; a drill hole 14 is symmetrically opened on the surface and bottom of the arc-shaped ear plate 12; two adjacent inner walls of the fixed frame 2 are fixedly connected with an arc-shaped baffle 15 adapted to the support sleeve 10; the other two adjacent inner walls of the fixed frame 2 are both threaded and rotatably provided with a first screw 16; the ends of the first screw 16 are rotatably provided with an arc clamping plate 17; the first limit member 7 includes a T-shaped plate 18; the side of the T-shaped plate 18 is opened A first screw hole 19 is provided for rotationally cooperating with the screw rod 4; a plurality of first sliding holes 20 for slidingly cooperating with the corresponding shaft sleeve 5 are evenly provided on the side of the T-shaped plate 18 from top to bottom; the second limit member 8 includes a U-shaped plate 21; a second screw hole 22 for rotationally cooperating with the screw rod 4 is provided on the side of the U-shaped plate 21; a second sliding hole 23 for slidingly cooperating with the corresponding slide rod 6 is evenly provided on the side of the U-shaped plate 21 from top to bottom; a rectangular frame 24 is provided on the surface of the fixed frame 2, and a rectangular groove 25 is provided on its bottom surface; the rectangular frame 24 on the surface of the fixed frame 2 is plugged into and matched with the rectangular groove 25 on the bottom surface of the adjacent fixed frame 2; a clamping groove 26 for plugging and cooperating with the rectangular frame 24 is provided on the bottom surface of the sealing frame 3.

[0037] A specific application of this embodiment is: insert the rectangular frame 24 of a group of fixed frames 2 into the rectangular groove 25 on the surface of the bottom fixed frame 2, and insert the clamping groove 26 on the bottom surface of the sealing frame 3 into the rectangular frame 24 on the surface of the topmost fixed frame 2, select the first limiting member 7 and the second limiting member 8 that are compatible, rotate the two screw rods 4 respectively, drive the T-shaped plate 18 and the U-shaped plate 21 to slide along the corresponding sleeve 5 and the slide rod 6 respectively, and realize fixing multiple groups of fixed frames 2 and sealing frames 3 together, and realize clamping and fixing of support sleeves of the same shape but different heights; place the support sleeve 10 into the fixed frame 2, and drive the first screw 16 to rotate forward by rotating the two first screw rods 16, thereby driving the two arc-shaped The clamping plate 17 presses the support sleeve 10 against the two arc-shaped baffles 15 to achieve clamping and fixing of the support sleeve 10, and connects the shaft sleeve 5 to the rotating shaft on the machine tool. The rotation of the rotating shaft can drive the clamping frame and the clamped support sleeve to turn over, replacing the traditional clamping and fixing method through the expansion tube, thereby improving work efficiency; the first limit piece 7 and the second limit piece 8 are both multiple groups of connecting parts, and different first limit pieces 7 only have different lengths of corresponding T-shaped plates 18, and the positions of the first screw holes 19 opened on the side are the same, and the numbers of the first sliding holes 20 evenly opened on the side are different, and the second limit piece 8 is also the same, to adapt to the assembly of different numbers of fixed frames 2, and then achieve the clamping of support sleeves 10 of different heights.

[0038] Embodiment 3

[0039] See also Figure 1-9 The third embodiment is improved on the basis of the first embodiment as follows. Specifically, first mounting grooves 27 are symmetrically provided at the four corners of the bottom surface of the fixing frame 2; second mounting grooves 28 are symmetrically provided at the four corners of the surface of the sealing frame 3; calibration members 29 can be inserted and arranged between two adjacent first mounting grooves 27 and two adjacent second mounting grooves 28; the calibration member 29 includes an L-shaped plate 30; two adjacent sides of the L-shaped plate 30 are fixedly connected with plug-in plates 31 that are plugged and matched with the two adjacent first mounting grooves 27; between the inner walls of the L-shaped plate 30 A fixed tube 32 is fixedly connected; a second screw 33 is slidably arranged inside the fixed tube 32; a support spring 34 is connected between the second screw 33 and the inner bottom surface of the fixed tube 32; scale lines 35 are evenly arranged on the circumferential side of the second screw 33 from top to bottom; a rubber ball 36 is arranged on the end of the second screw 33, and a pressure plate 37 is threadedly arranged on the circumferential side; a pressure sensor 38 is arranged on the surface of the L-shaped plate 30; the input end of the external controller is electrically connected to the pressure sensor 38, and the output end thereof is electrically connected to the external drilling machine.

[0040] A specific application of this embodiment is: before drilling the arc-shaped ear plate 12, the calibration piece 29 is inserted into the corresponding position, and the height of the external drilling machine is adjusted so that the drill bit is on the surface of the arc-shaped ear plate 12. At this time, the rubber ball 36 is against the housing of the external drilling machine, and the scale line 35 at this time is recorded. The rotating pressure plate 37 is adjusted according to the actual drilling depth. When the hole is drilled to the specified depth, the pressure plate 37 presses the pressure sensor 38 and transmits the signal to the external controller. The external controller controls the external drilling machine to stop, thereby improving the accuracy of the drilling depth and thus improving the processing quality.

[0041] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0042] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0043] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0044] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

[0045] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A turning fixture, comprising a plurality of clamping frames (1); characterized in that: The clamping frame (1) comprises a fixing frame (2); the fixing frames (2) adjacent to each other from top to bottom are plugged in and matched; the fixing frame (2) at the top is plugged in and matched with a sealing frame (3); The sealing frame (3) is provided with screw rods (4) rotatably on two opposite side surfaces; the fixed frame (2) is provided with a shaft sleeve (5) on one side surface, and a sliding rod (6) is symmetrically provided on the other opposite side surface; a first position-limiting member (7) slidably matched with the shaft sleeve (5) is rotatably provided on one screw rod (4); a second position-limiting member (8) slidably matched with the sliding rod (6) is rotatably provided on the other screw rod (4); and sleeves (9) are fixedly connected to the ends of the two screw rods (4).

2. A turning fixture according to claim 1, characterized in that: The clamping frame (1) clamps a support sleeve (10) inside; the support sleeve (10) comprises a support sleeve body (11); a plurality of arc-shaped ear plates (12) are evenly arranged on the circumferential side surface of the support sleeve body (11); an axial hole (13) is opened on the surface of the support sleeve body (11); and drill holes (14) are symmetrically opened on the surface and bottom surface of the arc-shaped ear plate (12).

3. A turning fixture according to claim 2, characterized in that: Two adjacent inner walls of the fixed frame (2) are fixedly connected with arc-shaped baffles (15) adapted to the support sleeve (10); the other two adjacent inner walls of the fixed frame (2) are threadedly penetrated with first screw rods (16) rotatably provided; and the ends of the first screw rods (16) are rotatably provided with arc-shaped clamping plates (17).

4. A turning fixture according to claim 1, characterized in that: The first limiting member (7) comprises a T-shaped plate (18); a first screw hole (19) for threaded rotation with the screw rod (4) is provided on the side of the T-shaped plate (18); and a plurality of first sliding holes (20) for slidingly engaging with corresponding shaft sleeves (5) are evenly provided on the side of the T-shaped plate (18) from top to bottom.

5. A turning fixture according to claim 1, characterized in that: The second limiting member (8) comprises a U-shaped plate (21); a second screw hole (22) is provided on the side of the U-shaped plate (21) and is threadedly engaged with the screw rod (4); and second sliding holes (23) are evenly provided on the side of the U-shaped plate (21) from top to bottom and are slidably engaged with corresponding sliding rods (6).

6. A turning fixture according to claim 1, characterized in that: The surface of the fixing frame (2) is provided with a rectangular frame (24), and the bottom surface of the fixing frame (2) is provided with a rectangular groove (25); the rectangular frame (24) on the surface of the fixing frame (2) is plugged into and matched with the rectangular groove (25) on the bottom surface of the adjacent fixing frame (2); the bottom surface of the sealing frame (3) is provided with a snap-in groove (26) plugged into and matched with the rectangular frame (24).

7. A turning fixture according to claim 1, characterized in that: The fixing frame (2) has first mounting grooves (27) symmetrically formed at four corners of the bottom surface; the sealing frame (3) has second mounting grooves (28) symmetrically formed at four corners of the surface; and calibration pieces (29) can be inserted between two adjacent first mounting grooves (27) and between two adjacent second mounting grooves (28).

8. A turning fixture according to claim 7, characterized in that: The calibration piece (29) comprises an L-shaped plate (30); two adjacent side surfaces of the L-shaped plate (30) are fixedly connected with plug plates (31) which are plugged into and matched with two adjacent first mounting grooves (27); a fixing tube (32) is fixedly connected between the inner walls of the L-shaped plate (30); a second screw rod (33) is slidably arranged inside the fixing tube (32); a supporting spring (34) is connected between the second screw rod (33) and the inner bottom surface of the fixing tube (32); scale lines (35) are evenly arranged on the peripheral side surface of the second screw rod (33) from top to bottom; a rubber ball (36) is arranged at the end of the second screw rod (33), and a pressure plate (37) is arranged on the peripheral side surface for rotation by threading; a pressure sensor (38) is arranged on the surface of the L-shaped plate (30); the input end of the external controller is electrically connected to the pressure sensor (38), and the output end thereof is electrically connected to the external drilling machine.