CN216371233U - Clamping double-top self-centering clamp with electric brush - Google Patents
Clamping double-top self-centering clamp with electric brush Download PDFInfo
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- CN216371233U CN216371233U CN202122753890.1U CN202122753890U CN216371233U CN 216371233 U CN216371233 U CN 216371233U CN 202122753890 U CN202122753890 U CN 202122753890U CN 216371233 U CN216371233 U CN 216371233U
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- main shaft
- jack catch
- cover
- tensioning
- clamping
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Abstract
The utility model provides a take centre gripping double tops of brush from line-up anchor clamps, relates to machine tool anchor clamps technical field, including hollow structure's main shaft, set up at the jack catch structure of main shaft one end, set up fixed cover and the brush of setting on fixed cover in jack catch structure periphery, the jack catch structure has the pivoted degree of freedom with the help of the main shaft, the jack catch structure includes suit in main shaft tensioning sleeve, fix jack catch cover on the main shaft, middle part articulate the jack catch on the jack catch cover and set up in the main shaft and the actuating lever that one end is connected with the tensioning cover, the jack catch front end extends to the outside, the rear end is provided with the gyro wheel and corresponds with the tensioning cover, be provided with C type groove with the gyro wheel corresponding position in the tensioning cover periphery, the tensioning cover has gliding degree of freedom on the main shaft with the help of the actuating lever, can drive the jack catch fast, stable press from line-up tight work piece, need not gear and helicitic texture, the service life is long.
Description
Technical Field
The utility model relates to the technical field of machine tool fixtures, in particular to a clamping double-top self-centering fixture with electric brushes.
Background
The clamp is a mechanical device used for clamping a workpiece on a machine tool, and is a machine tool accessory for clamping and positioning the workpiece by utilizing the radial movement of movable clamping jaws uniformly distributed on a chuck body.
The common clamp is mainly used for clamping a cylindrical workpiece, a tip is used for improving the coaxiality of the workpiece and reducing circular runout of the workpiece during rotation, a concave pit matched with the taper of the tip is prefabricated on the end face of the workpiece, one end of the workpiece is clamped by a chuck, and the other end of the workpiece is propped by the tip, so that the workpiece is more stable during rotation.
The drive form of activity jack catch is mostly to screw in or screw out a bevel pinion through the spanner, it is rotatory to drive another big bevel gear, the back of activity jack catch have with big bevel gear complex plane screw thread, big bevel gear is rotatory alright control several slip jack catches be close to simultaneously or keep away from the center, when the tight dysmorphism work piece of clamp (the circle profile unevenness of cylinder work piece cross section) of needs, traditional anchor clamps can't realize stably, quick clamping, and this kind of drive mode is comparatively complicated, gear and helicitic texture are worn and torn when using greatly, lead to life weak point, and is with high costs.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provides a clamping double-top self-centering clamp with electric brushes, which can drive clamping jaws to clamp workpieces quickly and stably without a gear and a thread structure and has long service life.
The clamping double-top self-centering clamp comprises a main shaft with a hollow structure, a jaw structure arranged at one end of the main shaft, a fixed sleeve arranged on the periphery of the jaw structure and an electric brush arranged on the fixed sleeve, wherein the jaw structure has rotational freedom by means of the main shaft, the jaw structure comprises a tensioning sleeve sleeved on the main shaft, a jaw sleeve fixed on the main shaft, a jaw of which the middle part is hinged on the jaw sleeve and a driving rod arranged in the main shaft and of which one end is connected with the tensioning sleeve, the front end of the jaw extends outwards, the rear end of the jaw is provided with a roller and corresponds to the tensioning sleeve, a C-shaped groove is arranged on the periphery of the tensioning sleeve corresponding to the roller, and the tensioning sleeve has freedom of sliding on the main shaft by means of the driving rod.
The clamping jaw is characterized in that clamping columns are arranged on the periphery of the clamping jaw sleeve, the clamping jaw penetrates between the two clamping columns, and the middle of the clamping jaw is hinged to the clamping columns.
The top end of the clamping column is fixed with the inner side of the fixing sleeve, and the thickness of the clamping jaw is smaller than the height of the clamping column.
The jack catch structure still includes the horizontal round pin that alternates tensioning sleeve and main shaft simultaneously, the one end that the actuating lever is located the main shaft is fixed with the horizontal round pin.
And a gap is arranged between the tensioning sleeve and the main shaft.
The middle part of the outer side of the clamping jaw sleeve is provided with a tip, and the outer side of the main shaft is provided with a shaft sleeve.
The clamping double-top self-centering clamp with the electric brush has the advantages that the tensioning sleeve is pushed by the driving rod to reciprocate on the main shaft, the roller at the tail end of the clamping jaw fluctuates up and down along the track of the C-shaped groove on the periphery of the tensioning sleeve, clamping of the clamping jaw is achieved, gaps are formed between the tensioning sleeve and the main shaft, when a special-shaped part is clamped, the tensioning sleeve automatically deviates along with different clamping jaw stresses, the tensioning degree of each clamping jaw is different, the clamping jaw can clamp the special-shaped part, and the problem that clamping is unstable due to the fact that a single clamping jaw is empty is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a jaw structure;
fig. 3 is a schematic view of the connection structure of the driving rod and the tension sleeve.
In the attached drawing, the device comprises a main shaft 1, a main shaft 2, a fixing sleeve 3, a tensioning sleeve 4, a clamping jaw sleeve 5, a clamping jaw 6, a driving rod 7, a roller 8, a clamping column 9, a transverse pin 10, a tip 11 and a shaft sleeve.
Detailed Description
As shown in fig. 1-3, the present invention provides a clamping double-top self-centering fixture with electric brushes, comprising a main shaft 1 with a hollow structure, a jaw structure arranged at one end of the main shaft 1, a fixed sleeve 2 arranged on the periphery of the jaw structure and electric brushes arranged on the fixed sleeve 2, the jaw structure has a rotational degree of freedom by means of the main shaft 1, and comprises a tension sleeve 3 sleeved on the main shaft 1, a jaw sleeve 4 fixed on the main shaft 1, a jaw 5 with the middle part hinged on the jaw sleeve 4, and a driving rod 6 arranged in the main shaft 1 and with one end connected with the tension sleeve 3, 5 front end of jack catch extends to the outside, the rear end is provided with gyro wheel 7 and corresponds with tensioning sleeve 3, correspond the position with gyro wheel 7 in the 3 peripheries of tensioning sleeve and be provided with C type groove, tensioning sleeve 3 has gliding degree of freedom on main shaft 1 with the help of actuating lever 6.
This structure promotes tensioning sleeve 3 through actuating lever 6 and carries out reciprocating motion on main shaft 1, and the gyro wheel of 5 tail ends of jack catch is along with the shape orbit of the C type groove on tensioning sleeve 3 goes up and down to fluctuate, makes 5 front ends of jack catch press from both sides tightly and loosen, realizes the centre gripping, need not traditional gear and helicitic texture, and it is fast to press from both sides moreover, and stability is strong.
As shown in fig. 2, the outer periphery of the jaw sleeve 4 is provided with a clamping column 8, the jaw 5 passes through between the two clamping columns 8, and the middle part of the jaw is hinged with the clamping column 8.
The clamping column 8 is used for hinging and limiting the clamping jaw 5, and the structure is simple and effective.
As shown in fig. 1-2, the top end of the clamping column 8 is fixed with the inner side of the fixing sleeve 2, and the thickness of the claw 5 is smaller than the height of the clamping column 8.
The outer side of the fixed sleeve 2 is provided with a brush, and a movable space of the clamping jaw 5 is formed between the clamping columns 8.
As shown in fig. 3, the jaw structure further includes a cross pin 9 for simultaneously inserting the tension sleeve 3 and the spindle 1, and one end of the driving rod 6 located in the spindle 1 is fixed to the cross pin 9.
Two corresponding strip holes are formed in the main shaft 1, pin holes corresponding to the strip holes are formed in the tensioning sleeve 3, the tensioning sleeve 3 and the main shaft 1 simultaneously penetrate through the transverse pin 9, the driving rod 6 located in the main shaft 1 is fixed to the middle of the transverse pin 9, the driving rod 6 can be connected with the tensioning sleeve 3, and the tensioning sleeve 3 can be driven to reciprocate on the main shaft 1 through the reciprocating motion of the driving rod 6.
As shown in fig. 2, a centre 10 is arranged in the middle of the outer side of the jaw sleeve 4, and a shaft sleeve 11 is arranged on the outer side of the main shaft 1.
The centre 10 further limits the workpiece, the side face of the workpiece is clamped by the clamping jaw 5, and one end of the workpiece is propped against by the centre 10, so that the workpiece is more stable in rotation.
As shown in fig. 1, a gap is arranged between the tension sleeve 3 and the main shaft 1.
The tensioning sleeve 3 and the main shaft 1 are arranged in a clearance mode, when the clamping special-shaped piece is clamped, the tensioning sleeve 3 automatically deflects along with different stress of different clamping jaws 5, so that the tensioning degree of each clamping jaw 5 is different, each clamping jaw 5 can clamp the special-shaped piece, and the problem that clamping is unstable due to the fact that the clamping jaw 5 is empty individually is avoided.
Claims (6)
1. The utility model provides a two tops of centre gripping of electrified brush are from line-up clamp, includes hollow structure's main shaft (1), sets up at the jack catch structure of main shaft (1) one end, sets up fixed cover (2) in jack catch structure periphery and sets up the brush on fixed cover (2), the jack catch structure has pivoted degree of freedom, its characterized in that with the help of main shaft (1): the jack catch structure includes tensioning cover (3) of suit on main shaft (1), fixes jack catch cover (4) on main shaft (1), middle part hinge jack catch (5) on jack catch cover (4) and set up actuating lever (6) of being connected in main shaft (1) and one end and tensioning cover (3), jack catch (5) front end extends to the outside, the rear end is provided with gyro wheel (7) and corresponds with tensioning cover (3), correspond the position with gyro wheel (7) in tensioning cover (3) periphery and be provided with C type groove, tensioning cover (3) have gliding degree of freedom on main shaft (1) with the help of actuating lever (6).
2. The clamping double-top self-centering fixture with the electric brush as claimed in claim 1, wherein: be provided with on jack catch cover (4) the periphery and block post (8), jack catch (5) are passed and the middle part is articulated with calorie post (8) from between two calorie posts (8).
3. The clamping double-top self-centering fixture with the brush as claimed in claim 2, wherein: the top end of the clamping column (8) is fixed with the inner side of the fixing sleeve (2), and the thickness of the clamping jaw (5) is smaller than the height of the clamping column (8).
4. The clamping double-top self-centering fixture with the electric brush as claimed in claim 1, wherein: the jack catch structure still includes horizontal round pin (9) of interlude simultaneously tensioning sleeve (3) and main shaft (1), one end that actuating lever (6) are located main shaft (1) is fixed with horizontal round pin (9).
5. The clamping double-top self-centering fixture with the electric brush as claimed in claim 1, wherein: the center of the outer side of the clamping jaw sleeve (4) is provided with a tip (10), and the outer side of the main shaft (1) is provided with a shaft sleeve (11).
6. The clamping double-top self-centering fixture with the electric brush as claimed in claim 1, wherein: the tensioning sleeve (3) and the main shaft (1) are arranged in a clearance mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122753890.1U CN216371233U (en) | 2021-11-11 | 2021-11-11 | Clamping double-top self-centering clamp with electric brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122753890.1U CN216371233U (en) | 2021-11-11 | 2021-11-11 | Clamping double-top self-centering clamp with electric brush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216371233U true CN216371233U (en) | 2022-04-26 |
Family
ID=81252255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122753890.1U Active CN216371233U (en) | 2021-11-11 | 2021-11-11 | Clamping double-top self-centering clamp with electric brush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216371233U (en) |
-
2021
- 2021-11-11 CN CN202122753890.1U patent/CN216371233U/en active Active
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