CN210081252U - Supporting self-locking mechanism of thin-wall workpiece - Google Patents
Supporting self-locking mechanism of thin-wall workpiece Download PDFInfo
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- CN210081252U CN210081252U CN201920938741.2U CN201920938741U CN210081252U CN 210081252 U CN210081252 U CN 210081252U CN 201920938741 U CN201920938741 U CN 201920938741U CN 210081252 U CN210081252 U CN 210081252U
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Abstract
The utility model discloses a supporting self-locking mechanism of a thin-wall workpiece, which comprises three clamping cylinders and an auxiliary supporting piece, wherein the auxiliary supporting piece comprises a shell and a transverse cylinder, a vertical main hole and a transverse pin hole communicated with the main hole are arranged in the shell, a movable column for supporting a fourth point of the thin-wall workpiece and a pressure spring for jacking the movable column are in sliding fit in the main hole, and a first inclined plane is arranged on the side surface of the movable column; the cylinder is located casing one side, and the piston rod of cylinder is connected with the lockpin that runs through the pinhole, and the lockpin front portion is equipped with the second inclined plane that is used for supporting tightly first inclined plane. The supporting self-locking mechanism of the thin-wall workpiece is relatively simple in structure and can greatly reduce cost.
Description
Technical Field
The utility model relates to an auto-parts makes technical field, specifically says a support self-locking mechanism of thin wall work piece, and more specifically says so, carries out centre gripping, support and self-locking mechanism to the thin wall work piece as automobile parts.
Background
In the automobile parts industry, it is often necessary to produce a thin-walled workpiece for the production of automotive interior supports or electrically driven end caps and the like. The thin-walled workpiece is generally formed by die-casting and then later machining. When machining, the thin-wall workpiece needs to be clamped, supported, locked and fixed by the supporting self-locking mechanism.
The supporting self-locking mechanism of the thin-wall workpiece in the prior art comprises three clamping cylinders and an auxiliary supporting piece, according to the principle that three points fix a plane, the three clamping cylinders are used for roughly clamping the thin-wall workpiece, and then the auxiliary supporting piece is used for completely locking and positioning the thin-wall workpiece from a fourth point, so that the deformation of a vibration cutter during later-stage processing is avoided.
The supporting self-locking mechanism of the thin-wall workpiece in the prior art has the following defects: the auxiliary supporting piece is a hydraulic supporting cylinder, the internal structure of the auxiliary supporting piece is complex, and the manufacturing cost is high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a structure is simple relatively, can reduce cost's thin wall workpiece's support self-locking mechanism by a wide margin.
The utility model provides a technical solution, which comprises three clamping cylinders and an auxiliary supporting piece, wherein the auxiliary supporting piece comprises a shell and a transverse cylinder, a vertical main hole and a transverse pin hole communicated with the main hole are arranged in the shell, a movable column for supporting a fourth point of the thin-wall workpiece and a pressure spring for jacking the movable column are in sliding fit in the main hole, and a first inclined plane is arranged on the side surface of the movable column; the cylinder is located casing one side, and the piston rod of cylinder is connected with the lockpin that runs through the pinhole, and the lockpin front portion is equipped with the second inclined plane that is used for supporting tightly first inclined plane.
Compared with the prior art, the supporting self-locking mechanism of the thin-wall workpiece with the structure has the following advantages.
According to the principle of fixing a plane at three points, the thin-wall workpiece is roughly positioned by using three clamping cylinders, and then the auxiliary supporting piece is driven to completely lock the thin-wall workpiece from the fourth point; the working process of the auxiliary supporting piece is that the movable column rises under the action of the pressure spring and is initially abutted against the thin-wall workpiece, then the air cylinder is driven to extend out of the lock pin, so that the second inclined plane at the front end of the lock pin is abutted against the first inclined plane of the movable column, the height of the movable column is completely fixed, the fourth point of the thin-wall workpiece is firmly supported, and the thin-wall workpiece is completely locked and positioned on the whole, so that the condition of deformation and vibration of the cutter during later machining is prevented.
From above analysis, the auxiliary supporting piece of this application support self-locking mechanism, the hydraulic support jar that the supporting effect to thin wall work piece is sold in the prior art is superior to, more importantly, above-mentioned auxiliary supporting piece inner structure is simple, makes convenient assembling, and its cost is compared the hydraulic support jar of prior art and is reduced by a wide margin, and more exactly, the auxiliary supporting piece's of this application cost is only about four times of the hydraulic support jar of selling.
The auxiliary supporting piece is preferably selected, a first positioning groove axially extends from the surface of the lock pin, a first threaded hole is further formed in the shell, a first positioning screw is screwed in the first threaded hole, and the lower end of the first positioning screw is clamped in the first positioning groove; a second positioning groove is formed in the side face of the movable column, a second threaded hole is formed in the shell, a second positioning screw is screwed in the second threaded hole, and the inner end of the second positioning screw is clamped in the second positioning groove; therefore, the circumferential limiting of the lock pin and the movable column is realized, the condition that the two inclined planes cannot be completely attached due to accidental rotation in the long-term working process is avoided, the supporting locking effect of the auxiliary supporting piece on the thin-wall workpiece is further ensured, the working stability of the auxiliary supporting piece is enhanced, and the service life of the auxiliary supporting piece is prolonged.
Preferably, each clamping cylinder comprises a cushion block, a pressure plate, a connecting rod and a driving cylinder, the upper end of the connecting rod is hinged with the middle section of the pressure plate, the lower end of the connecting rod is hinged with the top of a cylinder body of the driving cylinder, and a piston rod of the driving cylinder is hinged with the rear end of the pressure plate; like this, the clamp plate has virtually constituted lever structure, has increased the clamping-force to the work piece, and the connecting rod both ends are all articulated moreover, have increased the swing range of clamp plate, have further increased the clamping-force.
The auxiliary supporting piece is further preferably, an inner threaded hole is formed in the bottom of the main hole, a bottom bolt is screwed in the inner threaded hole, the upper section of the bottom bolt stretches into the main hole, a top used for abutting against the pressure spring is arranged on the upper section of the bottom bolt, therefore, the tension degree of the pressure spring can be changed through rotating the bottom bolt, the top end of the movable column is always abutted against the fourth point of the thin-wall workpiece, the requirements of the thin-wall workpieces with different sizes and shapes are met, and the universality of the thin-wall workpiece is improved.
Drawings
Fig. 1 is a schematic structural view of the supporting self-locking mechanism of the thin-wall workpiece of the present invention.
Fig. 2 is a schematic structural view of a half section of the auxiliary supporting member of the supporting self-locking mechanism of the thin-wall workpiece of the present invention.
Fig. 3 is a schematic diagram of a side view of the auxiliary supporting member of the supporting self-locking mechanism for thin-walled workpieces according to the present invention.
Fig. 4 is a schematic diagram of a semi-sectional side view of another specific structure of the auxiliary supporting member of the supporting self-locking mechanism for thin-walled workpieces according to the present invention.
The device comprises a shell 1, a shell 2, a cylinder 3, a main hole 4, a pin hole 5, a thin-wall workpiece 6, a movable column 7, a pressure spring 8, a first inclined surface 9, a lock pin 10, a second inclined surface 11, a first positioning groove 12, a first threaded hole 13, a first positioning screw 14, a second positioning groove 15, a second threaded hole 16, a second positioning screw 17, a cushion block 18, a pressure plate 19, a connecting rod 20, a driving cylinder 21, a bottom bolt 22, an internal threaded hole 23 and a top head.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the supporting self-locking mechanism for thin-walled workpieces of the present invention includes three clamping cylinders and an auxiliary supporting member.
The auxiliary supporting piece comprises a shell 1 and a transverse cylinder 2, a vertical main hole 3 and a transverse pin hole 4 communicated with the main hole 3 are arranged in the shell 1, and a movable column 6 used for supporting a fourth point of the thin-wall workpiece 5 and a pressure spring 7 used for jacking the movable column 6 are arranged in the main hole 3 in a sliding fit mode. The installation structure of the pressure spring 7 can be that the main hole 3 is a blind hole with a closed lower end, and two ends of the pressure spring 7 are respectively abutted against the bottom end of the movable column 6 and the bottom end of the main hole 3. Of course, the installation structure of the pressure spring 7 may also be that the bottom of the main hole 3 is provided with an internal threaded hole 22, a bottom bolt 21 is screwed in the internal threaded hole 22, and the upper section of the bottom bolt 21 extends into the main hole 3 and the upper section of the bottom bolt 21 is provided with a plug 23 for abutting against the pressure spring 7.
The side surface of the movable column 6 is provided with a first inclined surface 8; the cylinder 2 is fixed on one side wall of the shell 1, a piston rod of the cylinder 2 is connected with a lock pin 9 penetrating through the pin hole 4, and a second inclined surface 10 used for tightly abutting against the first inclined surface 8 is arranged at the front part of the lock pin 9.
A first positioning groove 11 extends from the surface of the lock pin 9 along the axial direction, a vertical first threaded hole 12 is further formed in the shell 1, a first positioning screw 13 is screwed in the first threaded hole 12, and the lower end of the first positioning screw 13 is clamped in the first positioning groove 11; the side of the movable column 6 is provided with a second positioning groove 14, the shell 1 is provided with a transverse second threaded hole 15, a second positioning screw 16 is screwed in the second threaded hole 15, and the inner end of the second positioning screw 16 is clamped in the second positioning groove 14.
Each clamping cylinder comprises a cushion block 17, a pressure plate 18, a connecting rod 19 and a driving cylinder 20, the upper end of the connecting rod 19 is hinged with the middle section of the pressure plate 18, the lower end of the connecting rod 19 is hinged with the top of a cylinder body of the driving cylinder 20, and a piston rod of the driving cylinder 20 is hinged with the rear end of the pressure plate 18.
Of course, the above-mentioned spacer 17, the cylinder body of the driving cylinder 20 and the housing 1 of the auxiliary support are all fixed to the frame of the processing machine.
Claims (4)
1. The utility model provides a support self-locking mechanism of thin wall work piece, it includes three centre gripping jar and an auxiliary stay spare, its characterized in that: the auxiliary supporting piece comprises a shell (1) and a transverse cylinder (2), a vertical main hole (3) and a transverse pin hole (4) communicated with the main hole (3) are formed in the shell (1), a movable column (6) used for supporting a fourth point of the thin-wall workpiece (5) and a pressure spring (7) used for jacking the movable column (6) are matched in the main hole (3) in a sliding mode, and a first inclined plane (8) is arranged on the side face of the movable column (6); the cylinder (2) is positioned on one side of the shell (1), a piston rod of the cylinder (2) is connected with a lock pin (9) penetrating through the pin hole (4), and a second inclined plane (10) used for abutting against the first inclined plane (8) is arranged on the front portion of the lock pin (9).
2. The self-locking mechanism for supporting the thin-walled workpiece according to claim 1, wherein: a first positioning groove (11) axially extends from the surface of the lock pin (9), a first threaded hole (12) is formed in the shell (1), a first positioning screw (13) is screwed in the first threaded hole (12), and the lower end of the first positioning screw (13) is clamped in the first positioning groove (11); a second positioning groove (14) is formed in the side face of the movable column (6), a second threaded hole (15) is formed in the shell (1), a second positioning screw (16) is screwed in the second threaded hole (15), and the inner end of the second positioning screw (16) is clamped in the second positioning groove (14).
3. The self-locking mechanism for supporting the thin-walled workpiece according to claim 1, wherein: each clamping cylinder comprises a cushion block (17), a pressing plate (18), a connecting rod (19) and a driving cylinder (20), the upper end of the connecting rod (19) is hinged with the middle section of the pressing plate (18), the lower end of the connecting rod (19) is hinged with the top of a cylinder body of the driving cylinder (20), and a piston rod of the driving cylinder (20) is hinged with the rear end of the pressing plate (18).
4. The self-locking mechanism for supporting the thin-walled workpiece according to claim 1, wherein: the bottom of the main hole (3) is provided with an internal threaded hole (22), a bottom bolt (21) is screwed in the internal threaded hole (22), and the upper section of the bottom bolt (21) extends into the main hole (3) and the upper section of the bottom bolt (21) is provided with a top head (23) which is used for abutting against the pressure spring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920938741.2U CN210081252U (en) | 2019-06-20 | 2019-06-20 | Supporting self-locking mechanism of thin-wall workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920938741.2U CN210081252U (en) | 2019-06-20 | 2019-06-20 | Supporting self-locking mechanism of thin-wall workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210081252U true CN210081252U (en) | 2020-02-18 |
Family
ID=69483820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920938741.2U Active CN210081252U (en) | 2019-06-20 | 2019-06-20 | Supporting self-locking mechanism of thin-wall workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210081252U (en) |
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2019
- 2019-06-20 CN CN201920938741.2U patent/CN210081252U/en active Active
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