CN209811744U - Supporting mechanism - Google Patents
Supporting mechanism Download PDFInfo
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- CN209811744U CN209811744U CN201920176456.1U CN201920176456U CN209811744U CN 209811744 U CN209811744 U CN 209811744U CN 201920176456 U CN201920176456 U CN 201920176456U CN 209811744 U CN209811744 U CN 209811744U
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- lead screw
- bearing
- support mechanism
- limiting
- shaft section
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Abstract
The utility model belongs to industrial machine tool equipment field especially relates to a supporting mechanism, include: the support mechanism comprises a bottom plate, a screw rod, a power output source, two supporting seats, two sliding blocks and a clamp assembly. Wherein, the anchor clamps subassembly includes two centre gripping units, and the link of every centre gripping unit is connected with a slider respectively, and when the lead screw rotated, drive two sliders and draw close or keep away from to the exposed core that drives two centre gripping units presss from both sides each other tightly or loosens. The utility model provides a supporting mechanism has the centre gripping subassembly, can play the clamping action when supporting the work piece, guarantees that the work piece can not rock in the course of working, improves the machining precision, improves the yield of work piece, improves production efficiency.
Description
Technical Field
The utility model belongs to industrial machine tool equipment field especially relates to a supporting mechanism.
Background
In tubular product cutting process, often need process the pipe, because work piece rigidity itself is not enough, the longer thin-walled long tube that is of tubular product length moreover, and the required precision of processing is higher, at this moment just need carry out the auxiliary stay to tubular product in the course of working to prevent that tubular product from taking place to swing by a wide margin in the middle of the rotary cutting, influence cutting accuracy. Traditional auxiliary stay divides two upper and lower bases, and the centre links to each other through the connecting rod, and lower base is fixed with the lathe bed, goes up base installation V type support and is used for supporting the work piece, through the screw drive, controls the lift of going up the base to this is adjusted from top to bottom according to the change of work piece size, prevents to produce the excessive location. The disadvantages are that: the V-shaped support has no clamping force, and even though the V-shaped support plays a supporting role, a workpiece still swings in a small range in the machining process, so that the machining precision is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a supporting mechanism is provided, aim at solving current supporting mechanism and do not have the clamping-force, the work piece can swing at the small range in the course of working, influences the problem of machining precision.
In order to solve the above technical problem, the utility model discloses a realize like this, a supporting mechanism, include: the device comprises a supporting mechanism bottom plate, a screw rod, a power output source, two supporting seats, two sliding blocks and a clamp assembly;
two the supporting seat sets up relatively the both ends of supporting mechanism bottom plate, the both ends of lead screw assemble respectively two in the supporting seat and can be relative two the supporting seat rotates, the power take off end of power take off source with the one end of lead screw is connected and is driven the lead screw rotates, be equipped with the screw thread through-hole on the slider, the lead screw passes two in proper order the screw thread through-hole and two of slider threaded connection, two the screw thread opposite direction of slider, anchor clamps subassembly includes two mutually articulated clamping unit, and the link of two clamping unit respectively with one the slider is connected, works as when the lead screw rotates, drives two the slider draws close or keeps away from, in order to drive two the clamping end of clamping unit presss from both sides tightly each other or loosens.
Further, the support mechanism further includes: the screw thread through hole is formed in the middle of the sliding block, two limiting through holes are formed in two sides of the screw thread through hole respectively, the two guiding shafts are arranged on two sides of the screw rod respectively and are axially parallel to the screw rod, two ends of each guiding shaft are assembled in the supporting seat respectively, and one guiding shaft penetrates through the two limiting through holes in the sliding block relative to the same side of the screw thread through hole.
Furthermore, each support seat is provided with a bearing, the outer ring of each bearing is fixed in the support seat, and two ends of the screw rod are respectively connected with the inner rings of the two bearings.
Further, the support mechanism further includes: two locking nuts which are respectively in threaded connection with two ends of the screw rod, a first step shaft section, a second step shaft section and a third step shaft section with sequentially reduced shaft diameters are arranged at two ends of the screw rod, a first radial step surface is arranged between the first step shaft section and the second step shaft section, a second radial step surface is arranged between the second step shaft section and the third step shaft section, the first radial step surface is propped against the first end surface of the inner ring of the bearing, the second step shaft section is connected with the inner ring of the bearing, and the second end surface of the inner ring of the bearing exceeds the second radial step surface, the third step shaft section is provided with a thread matched with the locking nut, the locking nut is abutted against the second end faces of the inner rings of the bearings so as to lock the two ends of the screw rod in the inner rings of the two bearings.
Further, the support mechanism further includes: the bearing comprises two bearing glands, wherein a limiting step is arranged in the supporting seat, a first end face of an outer ring of the bearing is abutted against the limiting step, and the two bearing glands are fixedly connected with the two supporting seats respectively and pressed on a corresponding second end face of the outer ring of the bearing, so that the outer ring of the bearing is fixed between the limiting step and the bearing glands.
Further, the support mechanism further includes: the lead screw retaining member, the lead screw retaining member sets up the side of lead screw is worked as when the lead screw retaining member is in the locking position, the lead screw locking is worked as when the lead screw retaining member is located the pine position, the power output source can drive the lead screw rotates.
Furthermore, the power output source is a manual rotating wheel, the manual rotating wheel is fixedly connected with the screw rod, and the manual rotating wheel rotates to drive the screw rod to rotate.
Further, the support mechanism further includes: the limiting bolt is inserted in the first limiting groove and the second limiting groove, so that the manual rotating wheel is fixedly connected with the screw rod.
Furthermore, the clamping unit comprises a clamping part and two clamping side plates, the first ends of the two clamping side plates are fixedly connected with the two ends of the clamping part respectively, and the second ends of the two clamping side plates are connected with the two ends of the corresponding sliding block respectively.
Further, the support mechanism further includes: the fixture limiting part is arranged on the bottom plate of the supporting mechanism and on the movement direction of the clamping side plates and used for limiting the farthest distance of the two clamping units.
Compared with the prior art, the utility model, beneficial effect lies in: the utility model discloses a supporting mechanism, include: the support mechanism comprises a bottom plate, a screw rod, a power output source, two supporting seats, two sliding blocks and a clamp assembly. Wherein, the anchor clamps subassembly includes two centre gripping units, and the link of every centre gripping unit is connected with a slider respectively, and when the lead screw rotated, drive two sliders and draw close or keep away from to the exposed core that drives two centre gripping units presss from both sides each other tightly or loosens. The utility model provides a supporting mechanism has the centre gripping subassembly, can play the clamping action when supporting the work piece, guarantees that the work piece can not rock in the course of working, improves the machining precision, improves the yield of work piece, improves production efficiency.
Drawings
Fig. 1 is a schematic structural view of the supporting mechanism of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic structural view of the clamp assembly of FIG. 1;
fig. 4 is a schematic structural diagram of the slider in fig. 1.
In the drawings, each reference numeral denotes: 1. a support mechanism base plate; 2. a screw rod; 3. a supporting seat; 4. a slider; 41. a threaded through hole; 42. a limiting through hole; 5. a clamp assembly; 51. a clamping unit; 511. a clamping portion; 512. clamping the side plate; 6. a guide shaft; 7. a bearing; 8. locking the nut; 9. a bearing gland; 10. a screw rod locking piece; 11. a manual runner; 12. a limiting bolt; 13. the anchor clamps locating part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 4, a supporting mechanism according to an embodiment of the present invention includes: the support mechanism comprises a support mechanism bottom plate 1, a screw rod 2, a power output source, two support seats 3, two sliding blocks 4 and a clamp assembly 5. Two supporting seats 3 set up the both ends at supporting mechanism bottom plate 1 relatively, the both ends of lead screw 2 assemble respectively in two supporting seats 3 and two supporting seats 3 relatively rotate, the power take off end of power take off source is connected with the one end of lead screw 2 and drives lead screw 2 and rotate, be equipped with screw through-hole 41 on the slider 4, lead screw 2 passes two slider 4's screw through-hole 41 and two slider 4 threaded connection in proper order, the screw direction of two sliders 4 is opposite, anchor clamps subassembly 5 includes two mutually articulated clamping unit 51, the link of two clamping unit 51 is connected with a slider 4 respectively, when lead screw 2 rotates, drive two sliders 4 and draw close or keep away from, the tip that with drive two clamping unit 51 presss from both sides tightly each other or unclamps.
The utility model provides a supporting mechanism has the centre gripping subassembly, can play the clamping action when supporting the work piece, guarantees that the work piece can not rock in the course of working, improves the machining precision, improves the yield of work piece, improves production efficiency.
Further, the support mechanism further includes: two guiding shafts 6, the screw thread through hole 41 is arranged in the middle of the sliding block 4, two sides of the screw thread through hole 41 are respectively provided with a limit through hole 42, as shown in fig. 4, the two guiding shafts 6 are respectively arranged on two sides of the screw rod 2 and are axially parallel to the screw rod 2, two ends of the guiding shafts 6 are respectively assembled in the two supporting seats 3, and one guiding shaft 6 sequentially passes through the limit through holes 42 on the same side of the two sliding blocks 4 relative to the screw thread through hole 41. The slider 4 can slide on the guiding axle 6, and when the lead screw 2 rotated and driven the slider 4 and remove, the guiding axle 6 can restrict the direction of motion of slider 4, avoided the slider 4 rotatory, made the axial direction motion of slider 4 along the guiding axle.
Each supporting seat 3 is provided with a bearing 7, the outer ring of each bearing 7 is fixed in the supporting seat 3, and the two ends of the screw rod 2 are respectively connected with the inner rings of the two bearings 7. Specifically, the support mechanism further includes: the two locking nuts 8 are in threaded connection with two ends of the screw rod 2 respectively, a first step shaft section, a second step shaft section and a third step shaft section are arranged at two ends of the screw rod 2, the shaft diameters of the first step shaft section, the second step shaft section and the third step shaft section are reduced in sequence, a first radial step surface is arranged between the first step shaft section and the second step shaft section, a second radial step surface is arranged between the second step shaft section and the third step shaft section, the first radial step surface abuts against a first end surface of an inner ring of the bearing 7, the second step shaft section is connected with the inner ring of the bearing 7, a second end surface of the inner ring of the bearing 7 exceeds the second radial step surface, threads matched with the locking nuts 8 are arranged on the third step shaft section, and the locking nuts 8 abut against a second end surface of the inner ring of the bearing 7 so that two ends of the screw rod 2 are locked in the inner rings of the two bearings 7. The supporting seats 3 are internally provided with limiting steps, the first end surface of the outer ring of the bearing 7 is abutted against the limiting steps, and the two bearing glands 9 are respectively and fixedly connected with the two supporting seats 3 and pressed on the second end surfaces of the corresponding outer rings of the bearing 7, so that the outer ring of the bearing 7 is fixed between the limiting steps and the bearing glands 9.
The supporting mechanism further includes: the lead screw retaining member 10, the lead screw retaining member 10 sets up the side at lead screw 2, and when the lead screw retaining member 10 was in the locking position, lead screw 2 was locked, and when the lead screw retaining member 10 was in the pine position, power take off source can drive lead screw 2 and rotate. In the course of working, adjust the retaining member 10 of the feed screw to the locking position, make the course of working, the clamp assembly 5 locks the work piece tightly, improve the machining precision of the work piece.
Specifically, the power output source may be a manual rotating wheel 11, the manual rotating wheel 11 is fixedly connected with the screw rod 2, and the manual rotating wheel 11 rotates to drive the screw rod 2 to rotate. The supporting mechanism further includes: the limiting bolt 12 is provided with a first limiting groove on the manual rotating wheel 11, a second limiting groove is arranged at the connecting end of the screw rod 2 and the manual rotating wheel 11, and the limiting bolt 12 is inserted into the first limiting groove and the second limiting groove so that the manual rotating wheel 11 is fixedly connected with the screw rod 2.
Referring to fig. 3, the clamping unit 51 includes a clamping portion 511 and two clamping side plates 512, wherein first ends of the two clamping side plates 512 are respectively fixedly connected to two ends of the clamping portion 511, and second ends of the two clamping side plates 512 are respectively connected to two ends of the corresponding slider 4. The supporting mechanism further includes: and the clamp limiting piece 13 is mounted on the support mechanism bottom plate 1 and the clamping side plate 512 in the moving direction, and is used for limiting the farthest distance of the two clamping units 51.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A support mechanism, comprising: the device comprises a supporting mechanism bottom plate, a screw rod, a power output source, two supporting seats, two sliding blocks and a clamp assembly;
two the supporting seat sets up relatively the both ends of supporting mechanism bottom plate, the both ends of lead screw assemble respectively two in the supporting seat and can be relative two the supporting seat rotates, the power take off end of power take off source with the one end of lead screw is connected and is driven the lead screw rotates, be equipped with the screw thread through-hole on the slider, the lead screw passes two in proper order the screw thread through-hole and two of slider threaded connection, two the screw thread opposite direction of slider, anchor clamps subassembly includes two mutually articulated clamping unit, and the link of two clamping unit respectively with one the slider is connected, works as when the lead screw rotates, drives two the slider draws close or keeps away from, in order to drive two the clamping end of clamping unit presss from both sides tightly each other or loosens.
2. The support mechanism of claim 1, further comprising: the screw thread through hole is formed in the middle of the sliding block, two limiting through holes are formed in two sides of the screw thread through hole respectively, the two guiding shafts are arranged on two sides of the screw rod respectively and are axially parallel to the screw rod, two ends of each guiding shaft are assembled in the supporting seat respectively, and one guiding shaft penetrates through the two limiting through holes in the sliding block relative to the same side of the screw thread through hole.
3. The support mechanism as claimed in claim 2, wherein each of the support seats is provided with a bearing, an outer ring of the bearing is fixed in the support seat, and both ends of the screw rod are respectively connected with inner rings of the two bearings.
4. The support mechanism of claim 3, further comprising: two locking nuts which are respectively in threaded connection with two ends of the screw rod, a first step shaft section, a second step shaft section and a third step shaft section with sequentially reduced shaft diameters are arranged at two ends of the screw rod, a first radial step surface is arranged between the first step shaft section and the second step shaft section, a second radial step surface is arranged between the second step shaft section and the third step shaft section, the first radial step surface is propped against the first end surface of the inner ring of the bearing, the second step shaft section is connected with the inner ring of the bearing, and the second end surface of the inner ring of the bearing exceeds the second radial step surface, the third step shaft section is provided with a thread matched with the locking nut, the locking nut is abutted against the second end faces of the inner rings of the bearings so as to lock the two ends of the screw rod in the inner rings of the two bearings.
5. The support mechanism of claim 4, further comprising: the bearing comprises two bearing glands, wherein a limiting step is arranged in the supporting seat, a first end face of an outer ring of the bearing is abutted against the limiting step, and the two bearing glands are fixedly connected with the two supporting seats respectively and pressed on a corresponding second end face of the outer ring of the bearing, so that the outer ring of the bearing is fixed between the limiting step and the bearing glands.
6. The support mechanism of claim 5, further comprising: the lead screw retaining member, the lead screw retaining member sets up the side of lead screw is worked as when the lead screw retaining member is in the locking position, the lead screw locking is worked as when the lead screw retaining member is located the pine position, the power output source can drive the lead screw rotates.
7. The support mechanism of claim 6, wherein the power output source is a manual wheel, the manual wheel is fixedly connected to the lead screw, and the lead screw is rotated by the manual wheel.
8. The support mechanism of claim 7, further comprising: the limiting bolt is inserted in the first limiting groove and the second limiting groove, so that the manual rotating wheel is fixedly connected with the screw rod.
9. The support mechanism as claimed in any one of claims 1 to 8, wherein the clamping unit comprises a clamping portion and two clamping side plates, first ends of the two clamping side plates are fixedly connected with two ends of the clamping portion respectively, and second ends of the two clamping side plates are connected with two ends of a corresponding sliding block respectively.
10. The support mechanism of claim 9, further comprising: the fixture limiting part is arranged on the bottom plate of the supporting mechanism and on the movement direction of the clamping side plates and used for limiting the farthest distance of the two clamping units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920176456.1U CN209811744U (en) | 2019-01-30 | 2019-01-30 | Supporting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920176456.1U CN209811744U (en) | 2019-01-30 | 2019-01-30 | Supporting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209811744U true CN209811744U (en) | 2019-12-20 |
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ID=68872803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920176456.1U Active CN209811744U (en) | 2019-01-30 | 2019-01-30 | Supporting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209811744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115060125A (en) * | 2022-07-08 | 2022-09-16 | 江西洪都航空工业集团有限责任公司 | Variable diameter becomes and supports interval guided missile support fixed establishment |
-
2019
- 2019-01-30 CN CN201920176456.1U patent/CN209811744U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115060125A (en) * | 2022-07-08 | 2022-09-16 | 江西洪都航空工业集团有限责任公司 | Variable diameter becomes and supports interval guided missile support fixed establishment |
| CN115060125B (en) * | 2022-07-08 | 2023-11-03 | 江西洪都航空工业集团有限责任公司 | Missile supporting and fixing mechanism with variable diameter and variable supporting distance |
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