CN213053760U - Fixing clamp for processing shaft workpieces - Google Patents

Fixing clamp for processing shaft workpieces Download PDF

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Publication number
CN213053760U
CN213053760U CN202021691371.6U CN202021691371U CN213053760U CN 213053760 U CN213053760 U CN 213053760U CN 202021691371 U CN202021691371 U CN 202021691371U CN 213053760 U CN213053760 U CN 213053760U
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China
Prior art keywords
base
clamping
screw rod
slide
groups
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CN202021691371.6U
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Chinese (zh)
Inventor
耿军
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Tianjin Juntai Chengshun Machinery Manufacturing Co ltd
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Tianjin Juntai Chengshun Machinery Manufacturing Co ltd
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Priority to CN202021691371.6U priority Critical patent/CN213053760U/en
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Abstract

The application relates to a fixing clamp for processing shaft workpieces, relates to the technical field of tool fixtures, and comprises a base; the clamping bodies are provided with two groups and are respectively connected with the base in a sliding manner, two groups of clamping surfaces are arranged on the surface of one side of each clamping body, and a concave cavity for accommodating a workpiece is formed between the two groups of clamping surfaces; when the two groups of clamping bodies move along the base in opposite directions, the clamping surfaces can be abutted against the side surfaces of the workpiece to clamp the workpiece. The clamping device comprises a base, a clamping body and a clamping device, wherein two ends of the base are respectively provided with a slide way, two ends of each slide way are respectively arranged in a closed manner, slide blocks are arranged in the slide ways in a sliding manner, and the clamping body is arranged on the slide blocks; the slider is provided with a first screw rod in threaded connection, the first screw rod is arranged in the slide way, two ends of the first screw rod are respectively connected with the base in a rotating mode, one end of the first screw rod penetrates out of the side wall of the base, and the slider can slide along the slide way when the first screw rod is rotated. This application has the stable effect of centre gripping.

Description

Fixing clamp for processing shaft workpieces
Technical Field
The application relates to the technical field of tool fixtures, in particular to a fixing clamp for machining shaft workpieces.
Background
After the shaft workpiece is roughly machined, processes such as key slot milling, center hole drilling and the like are carried out according to actual application requirements. In the related art, one end of the shaft workpiece is clamped and fixed on a three-jaw chuck of a machine tool, and then the other end of the shaft workpiece is machined.
The inventor finds that, by adopting the related technology, as the other end of the workpiece is suspended, the processing part of the workpiece is easy to loose during processing, thereby affecting the processing precision.
SUMMERY OF THE UTILITY MODEL
In order to improve the stability of work piece centre gripping, and then improve the machining precision, this application provides a mounting fixture is used in processing of axle type work piece.
The application provides a mounting fixture is used in processing of axle type work piece adopts following technical scheme:
fixing clamp is used in processing of axle type work piece, its characterized in that includes:
a base; and
the clamping bodies are provided with two groups and are respectively connected with the base in a sliding manner, two groups of clamping surfaces are arranged on the surface of one side of each clamping body, and a concave cavity for accommodating a workpiece is formed between the two groups of clamping surfaces;
when the two groups of clamping bodies move along the base in opposite directions, the clamping surfaces can be abutted against the side surfaces of the workpiece to clamp the workpiece.
Through adopting above-mentioned technical scheme, when carrying out the centre gripping to the work piece, with two sets of mounting fixture fixed mounting on the workstation of lathe, and must make two sets of mounting fixture set up relatively, place the both ends of work piece respectively between two sets of cramping bodies of corresponding side mounting fixture, control two sets of cramping bodies in every side mounting fixture respectively and remove along the base in opposite directions until the clamping face supports tightly with the side surface of work piece respectively, with the work piece fixed. At each end of the workpiece, the side surface of the workpiece is tangent to the four clamping surfaces respectively, the number of the fixed points of the workpiece along the circumferential direction of the side surface is four, and the stability of the workpiece is improved; meanwhile, the two ends of the workpiece are clamped tightly, so that looseness cannot occur, the clamping stability is improved, and the machining precision is further improved.
Preferably, the two ends of the base are respectively provided with a slide way, the two ends of each slide way are both closed, slide blocks are arranged in the slide ways in a sliding manner, and the clamping bodies are arranged on the slide blocks;
the slider is provided with a first screw rod in threaded connection, the first screw rod is arranged in the slide way, two ends of the first screw rod are respectively connected with the base in a rotating mode, one end of the first screw rod penetrates out of the side wall of the base, and the slider can slide along the slide way when the first screw rod is rotated.
Through adopting above-mentioned technical scheme, when rotating first screw rod, the slider can slide in the slide to adjust the interval between two sets of cramping bodies on same base, loosen or press from both sides the work piece tightly.
Preferably, the end of the first screw is provided with a rotating part with a regular hexagonal section.
By adopting the technical scheme, the wrench can be conveniently screwed.
Preferably, the slider is further provided with a base body, and the clamping body is detachably connected to the base body.
Through adopting above-mentioned technical scheme, because in the actual production manufacturing, the size of axle type work piece differs, consequently also different to the requirement of holding body size, can dismantle the connection on the base member with the holding body, conveniently change the holding body.
Preferably, a second threaded hole is formed in the base body, a second screw rod penetrates through the clamping body, and the second screw rod penetrates through the clamping body and then is in threaded connection with the second threaded hole.
Through adopting above-mentioned technical scheme, threaded connection's mode installation is dismantled conveniently.
Preferably, two groups of the second threaded holes are formed in the base body, and two second threaded rods are arranged on the clamping body.
Through adopting above-mentioned technical scheme, fixed with the base member through two sets of second screw rods, two fixed points can restrict the rotation of holding body in the horizontal dimension, improve the stability of holding body centre gripping.
Preferably, a plurality of groups of third threaded holes are arranged in parallel along the length direction of the slide way on the slide block, a third screw rod is arranged on the lower portion of the base body in a penetrating mode, and the third screw rod penetrates through the base body and then is in threaded connection with the third threaded holes.
Through adopting above-mentioned technical scheme, through the cooperation of third screw rod and different positions third screw hole, conveniently according to the actual size of work piece, adjust the initial interval between two cramping bodies.
Preferably, the number of the third threaded holes in each group is two, and the base body of the third screw rod is provided with two third threaded holes.
By adopting the technical scheme, the two fixing points are also arranged to limit the rotation of the base body in the horizontal plane, so that the stability of the base body is improved.
To sum up, the application comprises the following beneficial technical effects:
when a workpiece is clamped, two groups of fixing clamps are fixedly arranged on a workbench of a machine tool, the two groups of fixing clamps are required to be arranged oppositely, two ends of the workpiece are respectively placed between two groups of clamping bodies of the fixing clamps on the corresponding sides, the two groups of clamping bodies in the fixing clamps on each side are respectively controlled to move in opposite directions along the base until clamping surfaces are respectively abutted against the side surfaces of the workpiece, and the workpiece is fixed. At each end of the workpiece, the side surface of the workpiece is tangent to the four clamping surfaces respectively, the number of the fixed points of the workpiece along the circumferential direction of the side surface is four, and the stability of the workpiece is improved; meanwhile, the two ends of the workpiece are clamped tightly, so that looseness cannot occur, the clamping stability is improved, and the machining precision is further improved.
Drawings
Fig. 1 is a schematic overall structure diagram according to an embodiment of the present application.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is a schematic structural view of a fixing clamp in a use state in the embodiment of the present application.
In the figure, 1, a base; 11. a slideway; 2. a clamping body; 21. a clamping surface; 22. a second screw; 31. a slider; 32. a first screw; 33. a rotation part; 34. a third threaded hole; 4. a substrate; 41. a second threaded hole; 42. and a third screw.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Referring to fig. 1 and 2, a fixing clamp for processing a shaft workpiece disclosed in an embodiment of the present application includes a base 1 and a clamping body 2.
The base 1 is a cuboid structure, and when the base 1 is used, the base can be fixedly arranged on a workbench. Two groups of clamping bodies 2 are arranged on the base 1, and the two groups of clamping bodies 2 are both connected with the base 1 in a sliding manner; two groups of clamping surfaces 21 are processed and formed on the surface of one side of the clamping body 2, which is vertical to the upper surface of the base 1, the two groups of clamping surfaces 21 are intersected in a straight line, and a concave cavity for accommodating a workpiece is formed between the two groups of clamping surfaces 21; it should be noted that the concave cavities on the side surfaces of the two groups of clamping bodies 2 are arranged oppositely, and a workpiece can be placed between the two groups of concave cavities.
Referring to fig. 3, when clamping a workpiece, two sets of fixing fixtures are fixedly mounted on a worktable of a machine tool, and the two sets of fixing fixtures are required to be arranged oppositely, two ends of the workpiece are respectively placed between two sets of clamping bodies 2 of the fixing fixtures on corresponding sides, and the two sets of clamping bodies 2 in each fixing fixture are respectively controlled to move oppositely along a base 1 until clamping surfaces 21 respectively abut against side surfaces of the workpiece, so that the workpiece is fixed. At each end of the workpiece, the side surface of the workpiece is tangent to the four clamping surfaces 21 respectively, four fixing points are arranged on the workpiece along the circumferential direction of the side surface of the workpiece, and the stability of the workpiece is improved; meanwhile, the two ends of the workpiece are clamped tightly, so that looseness cannot occur, the clamping stability is improved, and the machining precision is further improved.
Referring to fig. 1 and 2, two ends of a base 1 are respectively provided with a slideway 11, the two slideways 11 are both arranged along the length direction of the base 1, and two ends of the slideway 11 are both arranged in a closed manner; the slide rail 11 is internally provided with a slide block 31 in a sliding manner, the slide block 31 is connected with a first screw rod 32 in a threaded manner, the first screw rod 32 is arranged along the length direction of the slide rail 11, two ends of the first screw rod 32 are respectively connected with the base 1 in a rotating manner, and one end of the first screw rod 32, which is far away from the center of the base 1, penetrates out of the side wall of the base 1. When the first screw rod 32 is rotated, the sliding block 31 can slide in the slideway 11, so that the distance between the two groups of clamping bodies 2 on the same base 1 is adjusted, and a workpiece is loosened or clamped.
Further, one end of the first screw 32, which penetrates out of the slideway 11, is provided with a rotating portion 33, and specifically, the cross section of the rotating portion 33 is a regular hexagon, so that the rotating portion is convenient to be screwed by a wrench.
Referring to fig. 1 and 2, a base 4 is connected to each slider 31, a clamping body 2 is disposed on the base 4, and the clamping body 2 is detachably connected to the base 4. Because in the actual production manufacturing, the size of axle type work piece differs, consequently also different to the requirement of the 2 sizes of holding body, can dismantle the connection on base body 4 with holding body 2, conveniently change holding body 2.
Furthermore, a second threaded hole 41 is formed in the upper surface of the base 4, a through hole is formed in the clamping body 2 from top to bottom, a second screw 22 penetrates through the through hole, and the second screw 22 penetrates through the clamping body 2 and then is in threaded connection with the second threaded hole 41 to fix the clamping body 2 on the base 4.
Furthermore, two sets of the second threaded holes 41 are provided at intervals on each base 4, and likewise, two sets of the second threaded rods 22 are provided on the clamping body 2. The base body 4 is fixed through the two groups of second screw rods 22, the two fixing points can limit the rotation of the clamping bodies 2 in the horizontal dimension, and the clamping stability of the clamping bodies 2 is improved.
Third screw hole 34 has been seted up to the upper surface of slider 31, and third screw hole 34 is provided with the multiunit side by side along slide 11 length direction, and third screw rod 42 is worn to be equipped with in the lower part of base member 4, and third screw rod 42 can pass the bottom surface of base member 4 to with third screw hole 34 threaded connection, it is fixed with base member 4 and slider 31. Through the cooperation of the third screw rod 42 and the third threaded holes 34 at different positions, the initial distance between the two clamping bodies 2 can be conveniently adjusted according to the actual size of a workpiece.
Further, the number of the third screw holes 34 in each group is two, and similarly, two third screws 42 are inserted into each base 4. The two fixing points are also provided to restrict the rotation of the base 4 in the horizontal plane and to improve the stability of the base 4.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. Fixing clamp is used in processing of axle type work piece, its characterized in that includes:
a base (1); and
the clamping bodies (2) are provided with two groups and are respectively connected with the base (1) in a sliding manner, two groups of clamping surfaces (21) are arranged on the surface of one side of each clamping body (2), and a concave cavity for accommodating a workpiece is formed between the two groups of clamping surfaces (21);
when the two groups of clamping bodies (2) move along the base (1) in opposite directions, the clamping surfaces (21) can be abutted against the side surfaces of the workpiece to clamp the workpiece.
2. The shaft workpiece machining fixing clamp as claimed in claim 1, wherein: the clamping device is characterized in that two ends of the base (1) are respectively provided with a slide way (11), two ends of each slide way (11) are arranged in a closed manner, slide blocks (31) are arranged in the slide ways (11) in a sliding manner, and the clamping bodies (2) are arranged on the slide blocks (31);
threaded connection has first screw rod (32) on slider (31), first screw rod (32) set up in slide (11), the both ends of first screw rod (32) rotate with base (1) respectively and are connected, the one end of first screw rod (32) is worn out outwards by the lateral wall of base (1), and when rotating first screw rod (32), slider (31) can be followed slide (11) and slided.
3. The shaft workpiece machining fixing clamp as claimed in claim 2, wherein: the end part of the first screw rod (32) is provided with a rotating part (33) with a regular hexagon section.
4. The shaft workpiece machining fixing clamp as claimed in claim 2, wherein: the clamping device is characterized in that a base body (4) is further arranged on the sliding block (31), and the clamping body (2) is detachably connected to the base body (4).
5. The shaft workpiece machining fixing clamp as claimed in claim 4, wherein: and a second threaded hole (41) is formed in the base body (4), a second screw rod (22) penetrates through the clamping body (2), and the second screw rod (22) penetrates through the clamping body (2) and then is in threaded connection with the second threaded hole (41).
6. The shaft workpiece machining fixing clamp as claimed in claim 5, wherein: two groups of second threaded holes (41) are formed in the base body (4), and two second threaded rods (22) are arranged on the clamping body (2).
7. The fixing jig for shaft-like workpiece processing according to any one of claims 4 to 6, characterized in that: the slide block (31) is provided with a plurality of groups of third threaded holes (34) in parallel along the length direction of the slide rail (11), a third screw rod (42) is arranged on the lower portion of the base body (4) in a penetrating mode, and the third screw rod (42) penetrates through the base body (4) and then is in threaded connection with the third threaded holes (34).
8. The shaft workpiece machining fixing clamp as claimed in claim 7, wherein: the number of the third threaded holes (34) in each group is two, and the number of the third threaded rods (42) on the base body (4) is two.
CN202021691371.6U 2020-08-14 2020-08-14 Fixing clamp for processing shaft workpieces Active CN213053760U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021691371.6U CN213053760U (en) 2020-08-14 2020-08-14 Fixing clamp for processing shaft workpieces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021691371.6U CN213053760U (en) 2020-08-14 2020-08-14 Fixing clamp for processing shaft workpieces

Publications (1)

Publication Number Publication Date
CN213053760U true CN213053760U (en) 2021-04-27

Family

ID=75582569

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021691371.6U Active CN213053760U (en) 2020-08-14 2020-08-14 Fixing clamp for processing shaft workpieces

Country Status (1)

Country Link
CN (1) CN213053760U (en)

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