Jacking and clamping tool for columnar precision component

Abstract

The utility model discloses an ejecting and clamping tool for a columnar precision component, which comprises a mounting base, a containing groove is arranged on the mounting base along the length direction of the mounting base, the cross section of the containing groove is rectangular, the containing groove extends to two ends of the mounting base, two side walls of the containing groove are respectively provided with a step surface, and the step surfaces are arranged on the two side walls of the containing groove. The two step surfaces are positioned on the same horizontal plane; the sliding rail is arranged on the step surface; the mounting sliding block is movably matched with the sliding rail so that the mounting sliding block can move on the sliding rail in the length direction of the sliding rail; and the mounting component is fixedly mounted on the mounting sliding block, a tip component and a driving mechanism are arranged on the mounting component, the driving mechanism is connected with the mounting sliding block, and the driving mechanism is used for driving the mounting sliding block to reciprocate on the sliding rail.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a clamping tool for columnar precision components. Background Art

[0002] In the field of mechanical processing technology, it is sometimes necessary to process some cylindrical special-shaped precision parts. Except for the end caps at both ends, all other parts of the cylindrical special-shaped precision parts need to be processed. Traditional clamping tooling will interfere with the processing space after clamping, resulting in repeated changes in the clamping posture. Therefore, it requires multiple clamping to complete the processing, which reduces the processing efficiency and processing accuracy. Utility Model Content

[0003] The utility model provides a tightening and clamping tool for columnar precision components, which can improve processing efficiency and processing accuracy.

[0004] In order to solve the above technical problems, the utility model provides a clamping fixture for cylindrical precision components, comprising:

[0005] A mounting base, wherein a receiving groove is formed on the mounting base along its length, the cross-section of the receiving groove is rectangular, the receiving groove extends to both ends of the mounting base, and a step surface is respectively provided on both side walls of the receiving groove, and the two step surfaces are located on the same horizontal plane;

[0006] A sliding track, the sliding track being arranged on the step surface;

[0007] An installation slider, the installation slider movably cooperates with the sliding track so that the installation slider can move on the sliding track along the length direction thereof;

[0008] A mounting component is fixedly mounted on the mounting slider, wherein a top component is provided on the mounting component, and a top head is formed at the front end of the top component;

[0009] A driving mechanism is connected to the installation slider, and is used to drive the installation slider to move back and forth on the sliding track. The driving mechanism is located in the accommodating groove and below the installation slider.

[0010] As a preferred embodiment of the above technical solution, the driving mechanism includes a driving rod and a connecting block, the connecting block is fixed to the bottom of the mounting slider, the driving rod is a screw, a threaded hole is provided on the connecting block, the screw is threadedly connected to the threaded hole, a limiting block is provided in the accommodating groove, the shape of the limiting block corresponds to the shape of the accommodating groove, the limiting block is fixed on the bottom surface of the accommodating groove and the two sides are abutted against the inner walls of the two sides of the accommodating groove, and the driving rod is rotatably mounted on the limiting block.

[0011] As a preferred embodiment of the above technical solution, the mounting component is a sleeve structure, a tapered hole is formed on the mounting component, a tapered handle is formed at the rear end of the top component, and the tapered handle is tightly fitted with the tapered hole so that the top component and the mounting component can be detachably connected.

[0012] As a preferred embodiment of the above technical solution, the tapered hole is a through hole, the tapered hole extends to the rear end of the mounting component, the rear end of the tapered handle is close to the rear end opening of the tapered hole or the rear end of the tapered handle extends out of the rear end opening of the tapered hole.

[0013] As a preferred embodiment of the above technical solution, an arcuate groove is formed on the upper surface of the mounting slider, and an arcuate surface is formed on the outer surface of the mounting component, and the arcuate surface of the mounting component cooperates with the inner surface of the arcuate groove.

[0014] As a preferred embodiment of the above technical solution, a first key groove is provided at the center position of the arc groove, a second key groove is provided at the middle position of the arc surface, the first key groove and the second key groove are aligned with each other, and connecting keys are provided in the first key groove and the second key groove.

[0015] As a preferred embodiment of the above technical solution, a first flat surface and a second flat surface are respectively formed on both sides of the installation component, and a third flat surface is formed on the side of the installation component opposite to the arcuate surface.

[0016] As a preferred embodiment of the above technical solution, a mounting through-hole is formed in the arc-shaped groove, a fixing screw hole is formed on the arc-shaped surface, and a fastener extends from the lower end of the mounting through-hole and is threadedly connected to the fixing screw hole.

[0017] As a preferred embodiment of the above technical solution, the limiting block is fixed to the bottom surface of the accommodating groove by a fastener.

[0018] As a preferred embodiment of the above technical solution, the mounting base is a metal block structure.

[0019] The utility model provides a tightening and clamping tool for a cylindrical precision component. When installing the tool, two tightening and clamping toolings arranged in pairs need to be installed on a machine tool. When installing, the positions and spacings of the two tightening and clamping toolings need to be set, which need to be consistent with the length and other parameters of the cylindrical precision component to be processed. When clamping the cylindrical precision component, the top head is facing the tightening hole at the end of the cylindrical precision component, and then the driving mechanism drives the installation slide to move, thereby driving the installation component and the top component to move, and tightening the cylindrical precision component from both ends. Since it uses the end portions at both ends to tighten, it will not interfere with the processing of other parts during processing. It can complete the processing with one clamping, thereby improving the processing efficiency and processing accuracy. In addition, the utility model provides a tightening and clamping tool for a cylindrical precision component, and a receiving groove is provided on the mounting base, and the sliding rail, driving mechanism, mounting slide and mounting component are all arranged in the receiving groove, which can make the overall structure more compact, prevent unnecessary interference during the processing, and improve the convenience of processing.

[0020] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the three-dimensional structure of a clamping fixture for a cylindrical precision component in this embodiment is shown;

[0022] Figure 2 A schematic diagram of the three-dimensional structure of a clamping fixture for a cylindrical precision component in another embodiment is shown;

[0023] Figure 3 A schematic exploded perspective view of a clamping fixture for a cylindrical precision component in this embodiment is shown;

[0024] Figure 4 shows a schematic diagram of the three-dimensional structure of the mounting base in this embodiment;

[0025] Figure 5 shows a schematic diagram of the installation structure of the top component in this embodiment;

[0026] Figure 6 shows a schematic diagram of the three-dimensional structure of the installation component in this embodiment;

[0027] Figure 7 A schematic diagram of the three-dimensional structure of the mounting component in another angle of view in this embodiment is shown;

[0028] In the figure: 10, mounting base; 20, limit block; 30, sliding track; 40, mounting slider; 50, mounting component; 60, top component; 70, driving mechanism; 101, accommodating groove; 102, step surface; 401, arc groove; 402, first keyway; 403, mounting through hole; 501, tapered hole; 502, second keyway; 503, arc surface; 504, fixing screw hole; 505, first flat surface; 506, third flat surface; 507, second flat surface; 601, top head; 602, tapered handle; 701, driving rod; 702, connecting block. DETAILED DESCRIPTION

[0029] In order to make the purpose, features, and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0030] See also Figures 1 to 7 The embodiment of the present utility model provides a clamping fixture for a columnar precision component, comprising:

[0031] The mounting base 10 has a receiving groove 101 formed along its length. The receiving groove 101 has a rectangular cross-section and extends to both ends of the mounting base 10. The two side walls of the receiving groove 101 are respectively provided with a stepped surface 102, and the two stepped surfaces 102 are located on the same horizontal plane.

[0032] Sliding track 30, the sliding track 30 is arranged on the step surface 102;

[0033] The installation slider 40 is movably matched with the sliding track 30 so that the installation slider 40 can move along the length direction of the sliding track 30;

[0034] The mounting member 50 is fixedly mounted on the mounting slider 40 . The mounting member 50 is provided with a top member 60 . The front end of the top member 60 is formed with a top head 601 .

[0035] The driving mechanism 70 is connected to the installation slider 40 and is used to drive the installation slider 40 to move back and forth on the sliding track 30 . The driving mechanism 70 is located in the receiving groove 101 and below the installation slider 40 .

[0036] The present embodiment provides a clamping fixture for a columnar precision component. When installing the fixture, two clamping fixtures arranged in pairs need to be installed on the machine tool. When installing, the positions and spacing of the two clamping fixtures need to be set, which need to be consistent with the length and other parameters of the columnar precision component to be processed. When clamping the columnar precision component, the top head 601 is facing the clamping hole at the end of the columnar precision component, and then the driving mechanism 70 drives the installation slide 40 to move, thereby driving the installation component 50 and the top component 60 to move, and the columnar precision component is clamped. The two ends of the tool are tightened. Since the end portions of the tool are tightened, it will not interfere with the processing of other parts during processing. The tool can be processed with one clamping, which improves the processing efficiency and accuracy. In addition, the present embodiment is a tightening and clamping tool for a columnar precision component, which is provided with a receiving groove 101 on the mounting base 10, and the sliding rail 30, the driving mechanism 70, the mounting slider 40 and the mounting component 50 are all arranged in the receiving groove 101, which can make the overall structure more compact, prevent unnecessary interference during the processing, and improve the convenience of processing.

[0037] In a further embodiment of this embodiment, the driving mechanism 70 includes a driving rod 701 and a connecting block 702. The connecting block 702 is fixed to the bottom of the mounting slider 40. The driving rod 701 is a screw. A threaded hole is provided on the connecting block 702. The screw is threadedly connected to the threaded hole. A limiting block 20 is provided in the accommodating groove 101. The shape of the limiting block 20 corresponds to the shape of the accommodating groove 101. The limiting block 20 is fixed on the bottom surface of the accommodating groove 101 and its two sides abut against the inner walls of the two sides of the accommodating groove 101. The driving rod 701 is rotatably installed on the limiting block 20.

[0038] In this embodiment, the driving rod 701 is a screw, and the limit block 20 is fixed on the bottom surface of the accommodating groove 101 and the two sides are in contact with the inner walls of the accommodating groove 101. It not only makes the entire installation structure more compact, but also makes its structure more stable.

[0039] In a further embodiment of this embodiment, the mounting component 50 is a sleeve structure, a conical hole 501 is formed on the mounting component 50, and a conical handle 602 is formed at the rear end of the top component 60. The conical handle 602 is tightly fitted with the conical hole 501 so that the top component 60 and the mounting component 50 can be detachably connected.

[0040] In this embodiment, the tapered shank 602 is tightly fitted with the tapered hole 501 , which can make installation and removal of the top component 60 more convenient.

[0041] In a further embodiment of this embodiment, the conical hole 501 is a through hole, the conical hole 501 extends to the rear end of the mounting component 50, and the rear end of the conical handle 602 is close to the rear end opening of the conical hole 501 or the rear end of the conical handle 602 extends out of the rear end opening of the conical hole 501.

[0042] The rear end of the tapered shank 602 in this embodiment is close to the rear end opening of the tapered hole 501 or the rear end of the tapered shank 602 extends out of the rear end opening of the tapered hole 501, which can be more conducive to the disassembly of the top component 60. The tapered shank 602 can be disassembled by applying force to the rear end of the tapered shank 602.

[0043] In a further embodiment of the present invention, an arcuate groove 401 is formed on the upper surface of the mounting slider 40 , and an arcuate surface 503 is formed on the outer surface of the mounting component 50 . The arcuate surface 503 of the mounting component 50 cooperates with the inner surface of the arcuate groove 401 .

[0044] In this embodiment, the arcuate surface 503 of the mounting component 50 cooperates with the inner surface of the arcuate groove 401 to make the overall structure more compact.

[0045] In a further feasible embodiment of this embodiment, a first key groove 402 is provided at the center position of the arc groove 401, a second key groove 502 is provided at the middle position of the arc surface 503, the first key groove 402 and the second key groove 502 are aligned with each other, and connecting keys (not shown in the figure) are provided in the first key groove 402 and the second key groove 502.

[0046] Since the installation component 50 will be subjected to a large tightening force during the tightening process, the connecting keys provided in the first keyway 402 and the second keyway 502 can not only realize the rapid positioning during the connection between the arc surface 503 and the arc groove 401, but also the connecting keys can increase the strength, that is, they can offset the large tightening force applied to the installation component 50.

[0047] In a further embodiment of the present invention, a first flat surface 505 and a second flat surface 507 are respectively formed on both sides of the mounting component 50 , and a third flat surface 506 is formed on the side of the mounting component 50 opposite to the arcuate surface 503 .

[0048] In this embodiment, by providing the first flat surface 505 , the second flat surface 507 and the third flat surface 506 on the outer wall of the mounting component 50 , the overall structure can be made more compact, thereby preventing interference during the processing.

[0049] In a further embodiment of the present invention, a mounting through-hole 403 is formed in the arcuate groove 401 , a fixing screw hole 504 is formed on the arcuate surface 503 , and a fastener extends from the lower end of the mounting through-hole 403 and is threadedly connected to the fixing screw hole 504 .

[0050] The fastener in this embodiment extends from the lower end of the mounting through hole 403 into the fixing screw hole 504 and is threadedly connected thereto, thereby improving the compactness of the overall structure.

[0051] In a further embodiment of the present invention, the limiting block 20 is fixed to the bottom surface of the receiving groove 101 by a fastener.

[0052] In a further embodiment of the present invention, the mounting base 10 is a metal block structure.

[0053] In the description of this specification, reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art may combine and integrate different embodiments or examples described in this specification, as well as features of different embodiments or examples, unless they are mutually inconsistent.

[0054] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0055] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A clamping fixture for cylindrical precision parts, characterized in that: include: A mounting base, wherein a receiving groove is formed on the mounting base along its length, the cross-section of the receiving groove is rectangular, the receiving groove extends to both ends of the mounting base, and a step surface is respectively provided on both side walls of the receiving groove, and the two step surfaces are located on the same horizontal plane; A sliding track, the sliding track being arranged on the step surface; An installation slider, the installation slider movably cooperates with the sliding track so that the installation slider can move on the sliding track along the length direction thereof; A mounting component is fixedly mounted on the mounting slider, wherein a top component is provided on the mounting component, and a top head is formed at the front end of the top component; A driving mechanism is connected to the installation slider, and is used to drive the installation slider to move back and forth on the sliding track. The driving mechanism is located in the accommodating groove and below the installation slider.

2. The clamping fixture for cylindrical precision components according to claim 1, characterized in that: The driving mechanism includes a driving rod and a connecting block, the connecting block is fixed to the bottom of the mounting slider, the driving rod is a screw, a threaded hole is provided on the connecting block, the screw is threadedly connected to the threaded hole, a limiting block is provided in the accommodating groove, the shape of the limiting block corresponds to the shape of the accommodating groove, the limiting block is fixed on the bottom surface of the accommodating groove and the two sides abut against the inner walls of the two sides of the accommodating groove, and the driving rod is rotatably mounted on the limiting block.

3. The clamping fixture for cylindrical precision components according to claim 1, characterized in that: The mounting component is a sleeve structure, a tapered hole is formed on the mounting component, a tapered handle is formed at the rear end of the top component, and the tapered handle is tightly matched with the tapered hole so that the top component and the mounting component are detachably connected.

4. The clamping fixture for cylindrical precision components according to claim 3, characterized in that: The tapered hole is a through hole, and the tapered hole extends to the rear end of the mounting component. The rear end of the tapered handle is close to the rear end opening of the tapered hole or the rear end of the tapered handle extends out of the rear end opening of the tapered hole.

5. The clamping fixture for cylindrical precision components according to claim 3, characterized in that: An arcuate groove is formed on the upper surface of the mounting slide, and an arcuate surface is formed on the outer surface of the mounting component. The arcuate surface of the mounting component and the inner surface of the arcuate groove cooperate with each other.

6. The clamping fixture for cylindrical precision components according to claim 5, characterized in that: A first key groove is provided at the center of the arc groove, a second key groove is provided at the middle of the arc surface, the first key groove and the second key groove are aligned with each other, and connecting keys are provided in the first key groove and the second key groove.

7. The clamping fixture for cylindrical precision components according to claim 6, characterized in that: A first flat surface and a second flat surface are formed on both sides of the installation component, and a third flat surface is formed on a side of the installation component opposite to the arcuate surface.

8. The clamping fixture for cylindrical precision components according to claim 7, characterized in that: A mounting through-hole is formed in the arc-shaped groove, a fixing screw hole is formed on the arc-shaped surface, and a fastener extends from the lower end of the mounting through-hole and is threadedly connected with the fixing screw hole.

9. The clamping fixture for cylindrical precision components according to claim 2, characterized in that: The limiting block is fixed to the bottom surface of the accommodating groove by a fastener.

10. The clamping fixture for cylindrical precision components according to any one of claims 1 to 9, characterized in that: The mounting base is a metal block structure.

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