CN212553524U - Position changing machine self-centering spherical clamp - Google Patents
Position changing machine self-centering spherical clamp Download PDFInfo
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- CN212553524U CN212553524U CN202021236735.1U CN202021236735U CN212553524U CN 212553524 U CN212553524 U CN 212553524U CN 202021236735 U CN202021236735 U CN 202021236735U CN 212553524 U CN212553524 U CN 212553524U
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- plate
- screw rod
- spherical clamp
- lead screw
- centering
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Abstract
The utility model belongs to the technical field of the machine of shifting, concretely relates to machine of shifting is from centering ball-type anchor clamps, including anchor clamps subassembly, slide rail set spare, lead screw subassembly, removal subassembly and ball-type anchor clamps; the clamp assembly comprises a rotating disk and a mounting seat fixed on the lower side of the rotating disk; the sliding rail assembly comprises a sliding rail and a sliding block which is sleeved on the sliding rail in a sliding mode, and two sets of sliding rail assemblies are arranged on the side portion of the mounting seat in parallel; the screw rod assembly comprises a screw rod I and a screw rod II, the screw rod I is fixedly connected with the screw rod II through a screw rod fixing sleeve, and the screw thread turning direction of the screw rod I is opposite to that of the screw rod II. This application can carry out from centering clamping under the condition of different angles, different displacement amplitude to the work piece host computer in-process that the afterbody has the coaxial hole, can bear under the condition of little moment of torsion and torsion at anchor clamps, realizes carrying out the upset of different angles to the work piece, is that a strong machine of shifting of commonality is from centering ball-type anchor clamps.
Description
Technical Field
The utility model belongs to the technical field of the machine of shifting, concretely relates to machine of shifting is from centering ball-type anchor clamps.
Background
The fixture of the positioner is widely applied to the mechanical industry, in the welding and overturning operation of structural parts, the size and the weight of a workpiece are larger in the working condition of the actual mining mechanical structural parts, a workpiece coaxial hole and the fixture form different angles and different displacement differences in front of the positioner, and the fixture bears larger torsion in the overturning process; utilize traditional anchor clamps to step up rotatory in-process to the work piece, there is big moment of torsion conical clamp bottom, cause its tip to bear very big torsion, the angle upset in-process anchor clamps tip that is different bears very big alternating load, cause anchor clamps life to reduce the increase cost, the hole boundary that conical clamp conical surface and work piece afterbody are coaxial with the hole has the effect of great power in the upset, cause the hole boundary to warp and make anchor clamps difficulty under the work piece, product quality and production efficiency have been reduced.
Disclosure of Invention
In order to overcome the not enough of above-mentioned prior art, the utility model provides a machine of shifting is from centering ball-type anchor clamps can have the work piece of coaxial hole to the afterbody and go on from the centering clamping under the condition of different angles, different displacement amplitude on the machine of shifting, can bear under the condition of little moment of torsion and torsion at anchor clamps, realizes carrying out the upset of different angles to the work piece, is a strong machine of shifting of commonality from centering ball-type anchor clamps.
The utility model discloses a realize through following technical scheme: a self-centering spherical clamp of a positioner comprises a clamp assembly, a slide rail assembly, a lead screw assembly, a moving assembly and a spherical clamp;
the clamp assembly comprises a rotating disk and a mounting seat fixed on the lower side of the rotating disk;
the sliding rail assembly comprises a sliding rail and a sliding block which is sleeved on the sliding rail in a sliding mode, and two sets of sliding rail assemblies are arranged on the side portion of the mounting seat in parallel;
the screw rod assembly comprises a screw rod I and a screw rod II, the screw rod I and the screw rod II are fixedly connected through a screw rod fixing sleeve, the thread turning direction of the screw rod I is opposite to that of the screw rod II, a linear motion block I is sleeved on the screw rod I, a linear motion block II is sleeved on the screw rod II, and the screw rod assembly is arranged on a mounting base between the two sets of slide rail assemblies;
the moving assembly comprises a spherical fixture fixing seat, the spherical fixture is fixed on an inner side plate of the spherical fixture fixing seat, and a bottom plate of the spherical fixture fixing seat is fixed with the sliding block; the moving assemblies are provided with two groups, one group of moving assemblies is in transmission connection with the linear moving block I, and the other group of moving assemblies is in transmission connection with the linear moving block II.
Further, the moving assembly further comprises a cylindrical shaft, a base plate, a shaft sleeve, a cylindrical shaft fixing plate and a connecting bolt, a through hole for installing the cylindrical shaft is formed in the inner side plate of the spherical clamp fixing seat, the base plate and the shaft sleeve are respectively arranged on one side of the through hole in the inner side plate of the spherical clamp fixing seat, the cylindrical shaft is arranged in the through hole in the inner side plate of the spherical clamp fixing seat, the cylindrical shaft fixing plate is fixedly connected with the end face of the cylindrical shaft close to one side of the shaft sleeve through the connecting bolt, the spherical clamp is sleeved on the cylindrical shaft close to one side of the base plate, and the shaft sleeve and the cylindrical.
Furthermore, slide rail limiting blocks matched with the slide blocks are arranged on two sides of the bottom plate of the spherical clamp fixing seat, and the bottom plate of the spherical clamp fixing seat is connected with the slide blocks through bolts.
Furthermore, a cylindrical through hole is formed in the bottom plate of the spherical clamp fixing seat, and cylindrical protrusions capable of extending into the cylindrical through hole in the bottom plate of the spherical clamp fixing seat are arranged on the linear motion block I and the linear motion block II.
Further, the mount pad is the rectangle box structure, the slide rail is arranged along the longer narrow end face of mount pad, be equipped with on the less face in mount pad both sides and be used for supporting lead screw assembly's bearing.
Further, the lead screw component further comprises a fixing block, the lead screw fixing sleeve is sleeved on the fixing block through a bearing, and the fixing block is fixed with the box body bottom plate of the mounting seat.
Furthermore, a plurality of reinforcing ribs are uniformly arranged on the inner side of the box body of the mounting seat.
Further, the rotating disc comprises a special-shaped plate, a semicircular plate and a semi-annular plate, the upper part of the special-shaped plate is oval, the lower part of the special-shaped plate is rectangular, the semicircular plate is welded on the upper part of the special-shaped plate, and the semi-annular plate and the semicircular plate are welded and fixed; the mounting seat is fixed on the lower part of the special-shaped plate.
The utility model has the advantages that: the spherical clamp is used for self-centering and clamping workpieces with different displacements and different angles and coaxial holes by driving the moving assembly through the rotary screw rod; the driving device drives the clamp assembly to rotate at different angles, so that the moving assembly and the ball head clamp are driven to rotate the workpiece at different angles; the workpiece coaxial holes can be self-centered and clamped at different displacements and different angles in the process of the workpiece upper positioner, so that the time for adjusting and centering the workpiece and the clamp is reduced, and the production efficiency is improved; the workpiece rotates on the positioner mainly under the action of tangential force of a spherical surface of the spherical clamp and the coaxial hole and friction force of the base plate, and the end part of the spherical clamp has smaller torque and smaller torsion in the rotating process, so that alternating load borne by a ball head in the rotating process is smaller, the service life of the clamp is prolonged, meanwhile, the spherical clamp is used for preventing influence on the edge of the coaxial hole of the workpiece, and the product quality is improved. The tool is low in manufacturing cost, convenient to install, flexible to use and high in universality.
Drawings
FIG. 1 is a three-dimensional installation structure diagram of the present invention;
FIG. 2 is a view of the clamp assembly of the present invention;
FIG. 3 is a structural view of the slide rail assembly of the present invention;
FIG. 4 is a view of the structure of the screw assembly of the present invention;
FIG. 5 is a diagram of the structure of the moving assembly of the present invention;
fig. 6 is a second view structural diagram of the moving assembly of the present invention;
FIG. 7 is a view of the structure of the ball-shaped fixture of the present invention;
in the figure, 1, a clamp assembly, 1-1, a rotating disk, 1-2, a mounting seat, 1-3, a special-shaped plate, 1-4, a semicircular plate, 1-5, a semicircular plate, 1-6, a reinforcing rib, 1-7, a slide rail mounting groove, 2, a slide rail assembly, 2-1, a slide rail, 2-2, a slide block, 3, a lead screw assembly, 3-1, a lead screw I, 3-2, a linear motion block I, 3-3, a lead screw fixing sleeve, 3-4, a fixing block, 3-5, a linear motion block II, 3-6, a lead screw II, 3-7, a bearing, 3-8, an end fixing plate, 4, a moving assembly, 4-1, a spherical clamp fixing seat, 4-2, a cylindrical shaft, 4-3, a backing plate, 4-4, a shaft sleeve, 4-5, 4-4, The device comprises a cylindrical shaft fixing plate, 4-6 parts of a connecting bolt, 4-7 parts of a sliding rail limiting block, 5 parts of a spherical clamp.
Detailed Description
The invention will be further explained below with reference to the drawings and examples.
As shown in fig. 1 to 7, a self-centering spherical fixture of a positioner comprises a fixture assembly 1, a slide rail assembly 2, a screw assembly 3, a moving assembly 4 and a spherical fixture 5;
as shown in fig. 1 and 2, the clamp assembly 1 comprises a rotating disc 1-1 and a mounting seat 1-2 fixed on the lower side of the rotating disc 1-1; the rotating disc 1-1 is fixedly connected with a power input end through bolts, the rotating disc 1-1 comprises special-shaped plates 1-3, semicircular plates 1-4 and semi-annular plates 1-5, the upper parts of the special-shaped plates 1-3 are oval, the lower parts of the special-shaped plates 1-3 are rectangular, the semicircular plates 1-4 are welded on the upper parts of the special-shaped plates 1-3, and the semi-annular plates 1-5 are welded and fixed with the semicircular plates 1-4; the mounting seat 1-2 is fixed on the lower portion of the special-shaped plate 1-3, the mounting seat 1-2 is of a rectangular box structure, the inner side of the box body of the mounting seat 1-2 is used for mounting the screw rod assembly 3, and the longer end faces of the two sides of the outer side of the box body of the mounting seat 1-2 are used for mounting the slide rail assembly 2. A plurality of reinforcing ribs 1-6 are uniformly arranged on the inner side of the box body of the mounting seat 1-2.
As shown in fig. 1 and 3, the slide rail assembly 2 comprises a slide rail 2-1 and a slide block 2-2 slidably sleeved on the slide rail 2-1, and two sets of the slide rail assemblies 2 are arranged in parallel on the side of the mounting seat 1-2; the screw rod assembly is characterized in that the slide rails 2-1 are arranged along the longer narrow end faces of the installation bases 1-2, slide rail installation grooves 1-7 are formed in the longer narrow end faces of the installation bases 1-2, the slide rails 2-1 are placed in the slide rail installation grooves 1-7, the slide rails 2-1 are fixed on the installation bases 1-2 through bolts, bearings 3-7 used for supporting the screw rod assembly 3 are arranged on the smaller plate faces of the two sides of the installation bases 1-2, the bearings 3-7 are installed in the end fixing plates 3-8, and the end fixing plates 3-8 are fixed with the slide rail installation grooves 1-7 through bolts. Firstly, the slide block 2-2 is arranged on the slide rail 2-1, and then the slide rail 2-1 is fixed with the mounting seat 1-2 through bolts.
As shown in fig. 1 and 4, the screw assembly 3 includes a screw i 3-1 and a screw ii 3-6, the screw i 3-1 and the screw ii 3-6 are fixedly connected through a screw fixing sleeve 3-3, the screw direction of the screw i 3-1 is opposite to the screw direction of the screw ii 3-6, a linear motion block i 3-2 is sleeved on the screw i 3-1, a linear motion block ii 3-5 is sleeved on the screw ii 3-6, and the screw assembly 3 is arranged on a mounting base 1-2 between two sets of the slide rail assemblies 2; the screw rod assembly 3 further comprises a fixing block 3-4, the screw rod fixing sleeve 3-3 is sleeved on the fixing block 3-4 through a bearing, and the fixing block 3-4 is fixed with a box body bottom plate of the mounting seat 1-2. When the screw rod assembly 3 is assembled, the linear motion block I3-2 is assembled on the screw rod I3-1, the linear motion block II 3-5 is assembled on the screw rod II 3-6, then the screw rod I3-1 and the screw rod II 3-6 are installed in the screw rod fixing sleeve 3-3, the screw rod I3-1 and the screw rod II 3-6 are clamped tightly through bolts radially penetrating into the screw rod fixing sleeve 3-3, then the U-shaped fixing block 3-4 is sleeved on the screw rod fixing sleeve 3-3, and the fixing block 3-4 is fixed with a box body bottom plate of the installation seat 1-2. And bearings 3-7 are arranged at the free ends of the screw rods I3-1 and the screw rods II 3-6, and the bearings 3-7 are fixed on the mounting seats 1-2 through end fixing plates 3-8. The screw rod II 3-6 is driven to rotate by rotating the screw rod I3-1, and the thread turning direction of the screw rod I3-1 is opposite to that of the screw rod II 3-6, so that when the screw rod I3-1 is rotated, the linear motion block I3-2 and the linear motion block II 3-5 can move towards the direction 3-3 of the screw rod fixing sleeve or move towards the direction 3-3 far away from the screw rod fixing sleeve simultaneously, and clamping or loosening of a workpiece is achieved.
As shown in fig. 1, 5 and 6, the moving assembly 4 comprises a spherical fixture fixing seat 4-1, a cylindrical shaft 4-2, a backing plate 4-3, a shaft sleeve 4-4, a cylindrical shaft fixing plate 4-5 and a connecting bolt 4-6, wherein a bottom plate of the spherical fixture fixing seat 4-1 is fixed with the sliding block 2-2; the moving assemblies 4 are provided with two groups, one group of moving assemblies 4 is in transmission connection with the linear moving block I3-2, and the other group of moving assemblies 4 is in transmission connection with the linear moving block II 3-5. The inner side plate of the spherical clamp fixing seat 4-1 is provided with a through hole for installing a cylindrical shaft 4-2, a backing plate 4-3 and a shaft sleeve 4-4 are respectively arranged at one side of the through hole on the inner side plate of the spherical clamp fixing seat 4-1, the cylindrical shaft 4-2 is arranged in the through hole on the inner side plate of the spherical clamp fixing seat 4-1, a cylindrical shaft fixing plate 4-5 is fixedly connected with the end surface of the cylindrical shaft 4-2 close to one side of the shaft sleeve 4-4 through a connecting bolt 4-6, the spherical clamp 5 is sleeved on the cylindrical shaft 4-2 close to one side of the backing plate 4-3, the bolt sequentially passes through the backing plate, the inner side plate of the spherical clamp fixing seat 4-1 is fixed with the shaft sleeve 4-4, and the shaft sleeve 4-4 and the cylindrical shaft fixing plate 4-5 axially limit the cylindrical shaft 4-2. Two sides of the bottom plate of the spherical clamp fixing seat 4-1 are provided with slide rail limiting blocks 4-7 matched with the slide block 2-2, and the bottom plate of the spherical clamp fixing seat 4-1 is connected with the slide block 2-2 through bolts. The bottom plate of the spherical clamp fixing seat 4-1 is provided with a cylindrical through hole, and the linear motion block I3-2 and the linear motion block II 3-5 are respectively provided with a cylindrical protrusion capable of extending into the cylindrical through hole on the bottom plate of the spherical clamp fixing seat 4-1.
As shown in fig. 1 and 7, the spherical fixture 5 comprises three parts, including a spherical surface at the middle part, a conical table at the front part, and a cylinder at the rear part, wherein four counter bores are arranged on the end surface of the conical table, and a cylindrical cavity is arranged inside the spherical fixture 5; wherein the cylindrical cavity penetrates through the cylindrical body portion and the spherical surface portion of the ball-type jig 5. The cylindrical end surface of the spherical clamp 5 is tightly attached to a base plate 4-3 of the moving component 4, and the inner cylindrical cavity of the spherical clamp 5 is matched and assembled with the cylindrical shaft 4-2 fixed on the moving component 4, and is matched with the threaded hole on the end surface of the cylindrical shaft 4-2 through four counter bores on the end surface of the conical table of the spherical clamp 5 and fixed by bolts.
The automatic centering spherical fixture for the positioner is manufactured perfectly, the moving device is driven by the rotary screw rod to drive the moving assembly, the spherical fixture carries out automatic centering clamping on a workpiece with a coaxial hole, the fixture assembly is driven by the power system to enable the workpiece on the fixture assembly to rotate at different angles under the common action of the spherical fixture and the base plate, and then welding seams at various positions of the workpiece meet requirements of welding positions.
Claims (8)
1. The utility model provides a machine of shifting is from centering ball-type anchor clamps which characterized in that: the fixture comprises a fixture component (1), a sliding rail component (2), a screw rod component (3), a moving component (4) and a spherical fixture (5);
the clamp assembly (1) comprises a rotating disc (1-1) and a mounting seat (1-2) fixed on the lower side of the rotating disc (1-1);
the sliding rail assembly (2) comprises a sliding rail (2-1) and a sliding block (2-2) sleeved on the sliding rail (2-1) in a sliding mode, and two sets of sliding rail assemblies (2) are arranged on the side portion of the mounting seat (1-2) in parallel;
the lead screw component (3) comprises a lead screw I (3-1) and a lead screw II (3-6), the lead screw I (3-1) and the lead screw II (3-6) are fixedly connected through a lead screw fixing sleeve (3-3), the screw thread turning direction of the lead screw I (3-1) is opposite to that of the lead screw II (3-6), a linear motion block I (3-2) is sleeved on the lead screw I (3-1), a linear motion block II (3-5) is sleeved on the lead screw II (3-6), and the lead screw component (3) is arranged on a mounting seat (1-2) between two sets of slide rail components (2);
the moving assembly (4) comprises a spherical clamp fixing seat (4-1), the spherical clamp (5) is fixed on an inner side plate of the spherical clamp fixing seat (4-1), and a bottom plate of the spherical clamp fixing seat (4-1) is fixed with the sliding block (2-2); the moving assemblies (4) are provided with two groups, one group of moving assemblies (4) is in transmission connection with the linear moving block I (3-2), and the other group of moving assemblies (4) is in transmission connection with the linear moving block II (3-5).
2. The self-centering spherical clamp of the positioner according to claim 1, wherein: the moving assembly (4) further comprises a cylindrical shaft (4-2), a backing plate (4-3), a shaft sleeve (4-4), a cylindrical shaft fixing plate (4-5) and a connecting bolt (4-6), a through hole for mounting the cylindrical shaft (4-2) is formed in an inner side plate of the spherical clamp fixing seat (4-1), the backing plate (4-3) and the shaft sleeve (4-4) are respectively arranged at one side of the through hole in the inner side plate of the spherical clamp fixing seat (4-1), the cylindrical shaft (4-2) is arranged in the through hole in the inner side plate of the spherical clamp fixing seat (4-1), the cylindrical shaft fixing plate (4-5) is fixedly connected with the end face of the cylindrical shaft (4-2) close to one side of the shaft sleeve (4-4) through the connecting bolt (4-6), the spherical clamp (5) is sleeved on the cylindrical shaft (4-2) close to one side of the backing plate (4, the shaft sleeve (4-4) and the cylindrical shaft fixing plate (4-5) axially limit the cylindrical shaft (4-2).
3. The self-centering spherical clamp of the positioner according to claim 2, wherein: the sliding rail limiting blocks (4-7) matched with the sliding blocks (2-2) are arranged on two sides of the bottom plate of the spherical clamp fixing seat (4-1), and the bottom plate of the spherical clamp fixing seat (4-1) is connected with the sliding blocks (2-2) through bolts.
4. The self-centering spherical clamp of the positioner according to claim 2, wherein: the bottom plate of the spherical clamp fixing seat (4-1) is provided with a cylindrical through hole, and the linear motion block I (3-2) and the linear motion block II (3-5) are respectively provided with a cylindrical protrusion capable of extending into the cylindrical through hole on the bottom plate of the spherical clamp fixing seat (4-1).
5. The self-centering spherical clamp of the positioner according to claim 1, wherein: the mounting seat (1-2) is of a rectangular box structure, the sliding rails (2-1) are arranged along the long narrow end faces of the mounting seat (1-2), and bearings (3-7) used for supporting the screw rod assembly (3) are arranged on the small plate faces of the two sides of the mounting seat (1-2).
6. The self-centering spherical clamp of the positioner according to claim 5, wherein: the screw rod assembly (3) further comprises a fixing block (3-4), the screw rod fixing sleeve (3-3) is sleeved on the fixing block (3-4) through a bearing, and the fixing block (3-4) is fixed with a box body bottom plate of the mounting seat (1-2).
7. The self-centering spherical clamp of the positioner according to claim 5, wherein: and a plurality of reinforcing ribs (1-6) are uniformly arranged on the inner side of the box body of the mounting seat (1-2).
8. The self-centering spherical clamp of the positioner according to claim 1, wherein: the rotating disc (1-1) comprises a special-shaped plate (1-3), a semicircular plate (1-4) and a semicircular plate (1-5), the upper part of the special-shaped plate (1-3) is oval, the lower part of the special-shaped plate (1-3) is rectangular, the semicircular plate (1-4) is welded on the upper part of the special-shaped plate (1-3), and the semicircular plate (1-5) and the semicircular plate (1-4) are welded and fixed; the mounting seat (1-2) is fixed at the lower part of the special-shaped plate (1-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021236735.1U CN212553524U (en) | 2020-06-30 | 2020-06-30 | Position changing machine self-centering spherical clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021236735.1U CN212553524U (en) | 2020-06-30 | 2020-06-30 | Position changing machine self-centering spherical clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212553524U true CN212553524U (en) | 2021-02-19 |
Family
ID=74614094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021236735.1U Active CN212553524U (en) | 2020-06-30 | 2020-06-30 | Position changing machine self-centering spherical clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212553524U (en) |
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2020
- 2020-06-30 CN CN202021236735.1U patent/CN212553524U/en active Active
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