Groove turning clamp for ultra-slender tensioning rod

Abstract

The utility model relates to an ultra-slender tensioning rod groove turning clamp which comprises a shell, a first clamping assembly is arranged at the end of the shell, a rectangular square groove is formed in the upper portion of the shell, sliding rails are symmetrically arranged on the side portions of the shell, sliding blocks are movably arranged in the sliding rails, limiting blocks are arranged on the side walls of the sliding blocks, and limiting bolts are connected to the limiting blocks in a threaded mode. The limiting bolts are attached to the inner walls of the sliding rails, a second clamping assembly is installed between the two sliding blocks, the first clamping assembly and the second clamping assembly are located on the center line of the shell, and the ultra-thin and long tensioning rod sequentially penetrates through the first clamping assembly and the second clamping assembly. The clamping device can be used for clamping the ultra-slender tensioning rod, and the rigidity of the ultra-slender tensioning rod part is improved while the ultra-slender tensioning rod is turned.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of tension rod vehicle groove fixture, specifically relates to super long tension rod vehicle groove fixture. BACKGROUND

[0002] In the mechanical processing, the slender rod structure is a kind of more common structure form. The slender rod structure part is big in length-diameter ratio, and poor in rigidity, is influenced by cutting force, cutting heat, gravity, vibration and other factors when being turned, and it has certain difficulty to be used;When the part length-diameter ratio is 20-50, can adopt double top clamping or one clamping one top clamping;And cooperate adjustable floating follow-up tool rest as auxiliary support;When the part length-diameter ratio is greater than 100, belong to super long slender rod structure form, and double top clamping or one clamping one top clamping mode can exacerbate the bending deformation of part, and the clamping mode cannot satisfy the requirement of part processing precision, so the present application provides a kind of super long tension rod vehicle groove fixture, improves the rigidity of super long tension rod part. INNOVATION CONTENT

[0003] The utility model aims at providing super long tension rod vehicle groove fixture, for clamping super long tension rod, while turning the pin super long tension rod, the rigidity of super long tension rod part is improved.

[0004] The technical scheme adopted by the utility model is as follows:

[0005] Super long tension rod vehicle groove fixture, including shell, the first clamping assembly is equipped in the shell end, the rectangular square groove is opened in the shell top, the slide rail is symmetrically started in the shell side, the slide block is movably arranged in the slide rail, the second clamping assembly is installed between the two slide blocks, the first clamping assembly and the second clamping assembly are located on the center line of the shell, and the super long tension rod passes through the first clamping assembly and the second clamping assembly in sequence.

[0006] Preferably, the first clamping assembly includes a first spindle, one end of the first spindle is installed in the inner wall of the shell end through two first bearings, a first elastic chuck is placed at the end of the first spindle, and a first nut is threadedly connected to the end of the first spindle.

[0007] Preferably, a notch is formed in the end of the first elastic chuck, the side wall of the first elastic chuck is inclined, and the inner wall of the end of the first nut is inclined, and the inner wall of the end of the first nut and the side wall of the first elastic chuck are mutually attached.

[0008] Preferably, the second clamping assembly includes a mounting ring arranged between the slide blocks, a second spindle is arranged in the mounting ring through a second bearing, a second elastic chuck is placed at the end of the second spindle, and a second nut is threadedly connected to the end of the second elastic chuck.

[0009] Preferably, the second elastic chuck end is provided with a notch, the second elastic chuck side wall is inclined, the second nut end inner wall is inclined, and the second nut end inner wall and the second elastic chuck side wall are mutually attached.

[0010] Preferably, the sliding block side wall is provided with a limiting block, a limiting bolt is threadedly connected to the limiting block, and the limiting bolt and the sliding rail inner wall are mutually attached.

[0011] Preferably, the first nut is provided with first circular holes distributed at equal intervals, the first spindle end is provided with second circular holes distributed at equal intervals, the second nut is provided with third circular holes distributed at equal intervals, and the second spindle is provided with fourth circular holes distributed at equal intervals.

[0012] The utility model discloses obtained technical effect is:

[0013] In the utility model, the one end of the tension rod workpiece of the waiting groove uses the jaw clamping of lathe and is fixed, and the other end passes through the first clamping component, the second clamping component and the shell, and uses the first clamping component and the second clamping component to stably and firmly clamping the tension rod workpiece of the waiting groove, in the process of continuously waiting groove, the first clamping component, the second clamping component and the shell retreat, realize the waiting groove processing of super thin long tension rod workpiece, and the device can be used for clamping super thin long tension rod, and when the pin super thin long tension rod is used, the super thin long tension rod part rigidity is increased. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the super thin long tension rod waiting groove clamp of the utility model;

[0015] Figure 2 It is the front view of the super thin long tension rod waiting groove clamp of the utility model;

[0016] Figure 3 It is the plane section view structure schematic diagram of the super thin long tension rod waiting groove clamp of the utility model;

[0017] Figure 4 It is the section view structure schematic diagram of the super thin long tension rod waiting groove clamp and the jaw of the utility model jointly clamping tension rod workpiece.

[0018] In the drawings, the component list represented by each sign is as follows:

[0019] 1, shell; 2, first clamping assembly; 3, slider; 4, second clamping assembly; 5, limiting block; 6, limiting bolt; 7, tension rod workpiece; 8, jaw; 101, slide rail; 201, first spindle; 202, first bearing; 203, first elastic chuck; 204, first nut; 401, mounting ring; 402, second bearing; 403, second spindle; 404, second elastic chuck; 405, second nut. DETAILED DESCRIPTION

[0020] In order to make the purpose and advantages of the utility model more clear and obvious, the following will be specifically described with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model, and does not strictly limit the protection scope of the utility model.

[0021] As shown in Figures 1-4 The super-fine long tension rod lathe groove clamp includes a shell 1, the shell 1 is provided with a first clamping assembly 2 at one end, a rectangular square groove is formed in the upper portion of the shell 1, slide rails 101 are symmetrically formed in the side portions of the shell 1, sliders 3 are movably arranged in the slide rails 101, limiting blocks 5 are arranged on the side walls of the sliders 3, limiting bolts 6 are threadedly connected to the limiting blocks 5, the limiting bolts 6 are in close contact with the inner walls of the slide rails 101, a second clamping assembly 4 is arranged between the two sliders 3, the first clamping assembly 2 and the second clamping assembly 4 are located on the center line of the shell 1, and the super-fine long tension rod sequentially passes through the first clamping assembly 2 and the second clamping assembly 4.

[0022] As shown in Figures 1-4 In actual use, one end of the tension rod workpiece 7 of the lathe groove to be processed is clamped and fixed by using the jaw 8 of the lathe, the other end passes through the first clamping assembly 2, the second clamping assembly 4 and the shell 1, and the first clamping assembly 2 and the second clamping assembly 4 are used to stably and firmly clamp the tension rod workpiece 7 of the lathe groove to be processed. During the lathe groove processing, the first clamping assembly 2, the second clamping assembly 4 and the shell 1 retreat backward, so that the super-fine long tension rod workpiece 7 is processed;

[0023] Preferably, the first clamping assembly 2 includes a first spindle 201, one end of the first spindle 201 is arranged on the inner wall of the end portion of the shell 1 through two first bearings 202, a first elastic chuck 203 is arranged on the end portion of the first spindle 201, and a first nut 204 is threadedly connected to the end portion of the first spindle 201; a notch is formed in the end portion of the first elastic chuck 203, the side wall of the first elastic chuck 203 is inclined, the inner wall of the end portion of the first nut 204 is inclined, and the inner wall of the end portion of the first nut 204 is in close contact with the side wall of the first elastic chuck 203; a plurality of first circular holes are formed in the first nut 204 at equal intervals, and a plurality of second circular holes are formed in the end portion of the first spindle 201 at equal intervals.

[0024] As shown in Figures 1-4As shown, in actual use, after the tension rod workpiece 7 passes through the first elastic clamp 203, two cylindrical rods are inserted into the first and second round holes respectively to stabilize the first spindle 201. At the same time, the cylindrical rods drive the first nut 204 to rotate. After rotating a certain angle, the cylindrical rod is inserted into the other first round hole of the first nut 204, thereby locking the first nut 204. The side wall of the first nut 204 presses against the side wall of the first elastic clamp 203, so that the first elastic clamp 203 holds the tension rod workpiece 7.

[0025] Similarly, the first nut 204 can be loosened so that the first elastic chuck 203 no longer holds the tension rod workpiece 7.

[0026] Preferably, the second clamping assembly 4 includes a mounting ring 401 disposed between the sliders 3. A second spindle 403 is mounted on the middle of the mounting ring 401 via a second bearing 402. A second elastic chuck 404 is placed at the end of the second spindle 403. A second nut 405 is threadedly connected to the end of the second elastic chuck 404. A notch is provided at the end of the second elastic chuck 404. The side wall of the second elastic chuck 404 is inclined. The inner wall of the end of the second nut 405 is inclined. The inner wall of the end of the second nut 405 fits against the side wall of the second elastic chuck 404. A third circular hole is provided on the second nut 405 at equal intervals. A fourth circular hole is provided on the second spindle 403 at equal intervals.

[0027] like Figures 1-4 As shown, in actual use, after the tension rod workpiece 7 passes through the second elastic clamp 404, two cylindrical rods are inserted into the third and fourth circular holes respectively to stabilize the second spindle 403. At the same time, the cylindrical rods drive the second nut 405 to rotate. After rotating a certain angle, the cylindrical rod is inserted into the other first circular hole of the second nut 405, thereby locking the second nut 405. The side wall of the second nut 405 presses against the side wall of the second elastic clamp 404, so that the second elastic clamp 404 holds the tension rod workpiece 7.

[0028] Similarly, the second nut 405 can be loosened so that the second elastic clamp 404 no longer holds the tension rod workpiece 7.

[0029] like Figures 1-4As shown, the working principle of the utility model is: first, the tail handle of the shell 1 is inserted into the lathe tail seat fixed connection, the tail seat position is adjusted, the lathe tail seat is pushed to the bed surface suitable position, and the tail seat is locked;Then the tension rod workpiece 7 is passed through the lathe groove clamp, one end of the tension rod workpiece 7 is clamped using the jaw 8 of the lathe, and the suspended part of the tension rod workpiece 7 is clamped using the lathe groove clamp, and in the specific clamping process, after the tension rod workpiece 7 passes through the first elastic chuck 203, two cylindrical rods are inserted into the first circular hole and the second circular hole respectively, the first spindle 201 is stabilized, and the first nut 204 is rotated by the cylindrical rod, after rotating a certain angle, the cylindrical rod is inserted into another first circular hole of the first nut 204, so that the first nut 204 is locked, the side wall of the first nut 204 extrudes the side wall of the first elastic chuck 203, and the first elastic chuck 203 clamps the tension rod workpiece 7;Then the sliding block 3 is slid to one end of the slide rail 101, and the limiting bolt 6 is screwed tightly, so that the lower end of the limiting bolt 6 is closely attached to the surface of the slide rail 101, the position of the sliding block 3 is limited, and the position of the second clamping assembly 4 is limited, at this time, after the tension rod workpiece 7 passes through the second elastic chuck 404, two cylindrical rods are inserted into the third circular hole and the fourth circular hole respectively, the second spindle 403 is stabilized, and the second nut 405 is rotated by the cylindrical rod, after rotating a certain angle, the cylindrical rod is inserted into another first circular hole of the second nut 405, so that the second nut 405 is locked, the side wall of the second nut 405 extrudes the side wall of the second elastic chuck 404, and the second elastic chuck 404 clamps the tension rod workpiece 7. After clamping, the trial running air knife groove is adjusted according to the thin rod taper, until the thin rod taper is qualified, and then the part is formally machined, and in the machining process, after the tension rod workpiece 7 in the current suspended part is machined, the first clamping assembly 2 is loosened first, so that the first clamping assembly 2 does not clamp the tension rod workpiece 7, then the limiting bolt 6 is loosened, then the lathe tail seat is adjusted, the whole is slid backward, and the tension rod workpiece 7 not in the lathe groove is discharged, at this time, the second clamping assembly 4 slides to the leftmost end of the slide rail 101, the first clamping assembly 2 is screwed tightly again, then the second clamping assembly 4 is loosened, and the second clamping assembly 4 is slid to the rightmost end of the slide rail 101 by sliding the sliding block 3, the second clamping assembly 4 is screwed tightly again, the machining of the tension rod workpiece 7 is continued, and the above steps are repeated until the whole super-thin long tension rod workpiece 7 is machined.

[0030] The above only is the preferred implementation of the utility model, it should be pointed out that, for ordinary technical personnel in the prior art, without departing from the principle of the utility model, a number of improvements and refinements can be made, these improvements and refinements should also be regarded as the protection scope of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to conventional means in the art, unless otherwise specified and limited.

Claims

1. An ultra-fine long tension rod vehicle slot clamp, characterized in that: The utility model provides a kind of tensioning device, including shell (1), the shell (1) end is equipped with first clamping component (2), the shell (1) is equipped with rectangular square groove above, the shell (1) side is symmetrically equipped with slide rail (101), the slide rail (101) is movably equipped with slider (3), second clamping component (4) is installed between two the slider (3), the first clamping component (2) and the second clamping component (4) are located on the shell (1) center line, super long tensioning rod is sequentially passed through the first clamping component (2) and the second clamping component (4).

2. The ultra-long tension link car slot clamp of claim 1, wherein: The first clamping component (2) includes first spindle (201), one end of the first spindle (201) is mounted in the end inner wall of the shell (1) by two first bearings (202), the first spindle (201) end is placed with first elastic chuck (203), and the first spindle (201) end is threadedly connected with first nut (204).

3. The ultra-long tension link car slot clamp of claim 2, wherein: The first elastic chuck (203) end is equipped with notch, the first elastic chuck (203) side wall is inclined to be arranged, the first nut (204) end inner wall is inclined to be arranged, and the first nut (204) end inner wall and the first elastic chuck (203) side wall are mutually attached.

4. The ultralong tension link car slot clamp of claim 3, wherein: The second clamping component (4) includes mounting ring (401) arranged between the slider (3), the mounting ring (401) is mounted with second spindle (403) in the middle by second bearing (402), the second spindle (403) end is placed with second elastic chuck (404), and second elastic chuck (404) end is threadedly connected with second nut (405).

5. The ultralong tension link car slot clamp of claim 4, wherein: The second elastic chuck (404) end is equipped with notch, the second elastic chuck (404) side wall is inclined to be arranged, the second nut (405) end inner wall is inclined to be arranged, and the second nut (405) end inner wall and the second elastic chuck (404) side wall are mutually attached.

6. The ultralong tension link horse clamp of claim 1, wherein: The slider (3) side wall is equipped with limit block (5), the limit block (5) is threadedly connected with limit bolt (6), and the limit bolt (6) and the slide rail (101) inner wall are mutually attached.

7. The ultralong tension link car slot clamp of claim 4, wherein: First circular hole is arranged on the first nut (204) in equal interval, and second circular hole is arranged on the first spindle (201) end in equal interval;Third circular hole is arranged on the second nut (405) in equal interval, and fourth circular hole is arranged on the second spindle (403) in equal interval.

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