CN2728703Y - Eccentric clamp having counter balancing function - Google Patents
Eccentric clamp having counter balancing function Download PDFInfo
- Publication number
- CN2728703Y CN2728703Y CN 200420077110 CN200420077110U CN2728703Y CN 2728703 Y CN2728703 Y CN 2728703Y CN 200420077110 CN200420077110 CN 200420077110 CN 200420077110 U CN200420077110 U CN 200420077110U CN 2728703 Y CN2728703 Y CN 2728703Y
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- CN
- China
- Prior art keywords
- counterweight
- clamping device
- storage tank
- sliding seat
- piston
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- Expired - Lifetime
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Abstract
The utility model relates to an eccentric clamp having the counter balancing function. The clamp body is arranged in reciprocating mode with a clamping device to clamp a working piece and at least one balancing weight, a driving device is provided to synchronously drive the balancing weight to move in the reverse direction when the clamping device is moved, so the clamping device can keep the gravity center of the clamp in the rotating shaft center when eccentrically clamping the working piece, and the generation of the eccentric vibration when the clamp rotates in high speed is avoided.
Description
Technical field
The utility model is and the workpiece rotary main shaft anchor clamps of processing machine tool, particularly about a kind of eccentric clamping of tool counterweight function.
Background technology
Press, the eccentric processing of general workpiece is a workpiece to be folded in the mode that departs from the rotary main shaft axle center that processes machine tool on the chuck of this processing machine tool process again; Adding man-hour, cause machining accuracy to descend or the machining machine and tool damage for avoiding this rotary main shaft when rotating, to produce vibrations, this rotary main shaft is rotated with the slow-speed of revolution, so, make processing usefulness lower, simultaneously, this rotary main shaft also causes shortening of its service life easily bearing under the situation of inclined to one side lotus to rotate.
The utility model content
Main purpose of the present utility model is to provide a kind of eccentric clamping of tool counterweight function, establishes a flat mechanism towards counterweight in an inside, makes it still can keep its rotation center of gravity in its central part when eccentric holding workpiece.
For achieving the above object, the eccentric clamping of the tool counterweight function that the utility model provides, it includes:
One body is on the rotary main shaft that is installed on a processing machine tool;
One clamping device, the path reciprocatingly is installed on this body along a straight line;
At least one counterweight is installed on this body, can move back and forth in this body upper edge one straight line path, and to be parallel to the mobile route of this clamping device reciprocal in this path;
One transmission mechanism is located on this body, and when being used to this clamping device and moving, this counterweight of transmission moves in the other direction.
Have two counterweights, lay respectively at the both sides of this clamping device.
Wherein the two opposite sides portion of this clamping device respectively has a tooth row, and this two counterweight also respectively has a tooth row; This transmission mechanism includes two gears that are hubbed on this body, the tooth row of this two gears difference while with this clamping device and this two counterweight meshes, with when this clamping device is mobile on this body, can distinguishes this two counterweight of transmission and do synchronous and reverse moving.
Wherein this body is provided with a storage tank and two chambers, and this two chamber lays respectively at the both sides of this storage tank; This clamping device is arranged in this storage tank, and this two counterweight then is arranged at respectively in this two chamber.
Wherein this storage tank respectively is formed with a connected entrance on the cell wall adjacent to this chamber respectively, so that this storage tank is communicated with this two chamber respectively; This two gear lay respectively in this two chamber and respectively with the engagement of this two counterweight, respectively the part gear teeth of this gear stretch out relative connected entrance by the chamber at place and enter in this storage tank and this clamping device engagement.
Wherein this clamping device includes a sliding seat and a piston, and by this sliding seat being incorporated on this body along straight line path toward the mode of moving polyslip; This body is provided with a piston chamber, and this piston is located in this piston chamber, and links with this sliding seat; Thus, import hydraulic oil enter in this piston chamber and promote this piston in this piston chamber toward polyslip, can drive the same past polyslip of row in this storage tank of this clamping device.
Wherein this clamping device includes a sliding seat, a piston, four connecting rods, and presses plate, a cover plate and a connecting rod; Be provided with a piston chamber and four perforation in this sliding seat, this piston chamber forms an opening in the bottom surface of this sliding seat, and this four perforation lays respectively at this sliding seat near place, four end angles, and runs through top, the bottom surface of this sliding seat respectively; This piston is arranged in this piston chamber; This cover plate is covered on the bottom surface of this sliding seat and seals this cunning plug chamber, and it has a perforation and passes for end of this piston and link this web; This four connecting rod is placed through respectively in this four perforation, and the two ends of each connecting rod protrude in respectively outside the perforation of place; Respectively an end of this connecting plate links this web, and other end then links this and presses plate; Thus, importing hydraulic oil enters in this piston chamber capable of polyslip to promote this piston, and drive this via this web, this four connecting rod and press capable synchronous the moving back and forth of plate, changing the spacing between this bottom surface that presses plate and this sliding seat end face, and have the function of holding workpiece.
Include two counterweights; Again, this cover plate two opposite sides portion respectively has a tooth row, and this two counterweight also respectively has to a tooth row; This transmission mechanism includes two gears that are hubbed on this body, this two gear meshes with the tooth row of these cover plate two sidepieces and the tooth row of this two counterweight respectively, with when this clamping device is mobile on this body, can distinguishes this two counterweight of transmission and do synchronous and reverse moving.
Wherein this body has a storage tank, two chutes, two engagement grooves and two cover plates; Wherein, this storage tank, this two chute and this two engagement groove common opening that forms on the end face of this sliding seat; This two chute is adjacent to these storage tank two sides respectively and respectively some is communicated with this storage tank, and this two engagement groove then is adjacent to this two chutes outside respectively and is communicated with this two chute respectively; This sliding seat is arranged in this storage tank, and its two side respectively has an alar part, and this two alar part is placed in the groove bottom of this two chute respectively, make this whole clamping device can along this two chute in this storage tank toward polyslip; This two cover plate combining cover respectively is located in this two engagement groove, and seals this two chute and this two engagement groove simultaneously, and stops this clamping device to be deviate from this storage tank.
Wherein these counterweight two ends respectively have a screw, with can lock establish predetermined quantity balancing weight on this counterweight, and can adjust counterweight weight on demand.
Description of drawings
Below lift a preferred embodiment and cooperate following accompanying drawing to describe the utility model in detail; And in following accompanying drawing:
Fig. 1 is the stereoscopic figure of the utility model one preferred embodiment;
Fig. 2 is a component decomposition map embodiment illustrated in fig. 1;
Fig. 3-Fig. 4 is respectively the illustrative view of Fig. 1 partial component;
Fig. 5-Fig. 6 is respectively the illustrative view of Fig. 1 partial component.
The specific embodiment
See also Fig. 1 to shown in Figure 6, the utility model one preferred embodiment provides a kind of eccentric clamping (A) of tool counterweight function, and it includes a body (10), a clamping device (20), two counterweights (30) and a transmission mechanism (40), wherein:
It is one cylindrical that this body (10) generally is, and it has an end face (11), a bottom surface (12), a storage tank (13), two chutes (131), two engagement grooves (132), two chambers (14) and a piston chamber (15); Wherein, this storage tank (13), this two chute (131) and this two engagement groove (132) are gone up the common opening (133) that forms in this end face (11), this storage tank (13) has two cell walls (134) that are parallel to each other, this two chute (131) is adjacent to these storage tank (13) two sides respectively and respectively some is communicated with this storage tank (13), and this two engagement groove (132) then is adjacent to the outside of this two chute (131) respectively and is communicated with this two chute (131) respectively; This two chamber (14) is positioned at this body (10) inside and is parallel to this two cell wall (134) respectively, and it is gone up respectively at this two cell wall (134) and forms a connected entrance (141), and forms an opening (142) respectively at the sidewall of this body (10); This piston chamber (15) connects the sidewall of this storage tank (13) and this body (10), and forms an opening (151) on this sidewall.
This clamping device (20) includes a sliding seat (21), and presses plate (22), a first piston (23), four connecting rods (24), second piston (25), a cover plate (26) and a web (27).Wherein, be formed with a piston chamber (211) and four perforation (212) on this sliding seat, this piston chamber (211) forms an opening in the bottom surface of this sliding seat, and this four perforation (212) lays respectively at locating near four end angles of this sliding seat (21), and connects top, the bottom surface of this sliding seat (21) respectively; This four connecting rod (24) is placed through respectively in this four perforation (212), and the two ends of each connecting rod (24) protrude in respectively outside the place perforation (212); This second piston (25) is arranged in this piston chamber (211); This cover plate (26) is covered on the bottom surface of this sliding seat (21) and seals this piston chamber (211), and has a perforation on this cover plate (26) and pass for an end of this second piston (25); In addition, be respectively equipped with a tooth row (261) on the two relative side of this cover plate (26); This web (27) is incorporated on the opposite end of the traversing through end of this second piston (25) and this four connecting rod (24) simultaneously, and thus, this second piston (25) can drive this four connecting rod (24) and be synchronized with this sliding seat (21) and go up and move back and forth; At last, this presses the other end that plate (22) is incorporated into this four connecting rod (24) simultaneously, and moving back and forth action and can change spacing between its bottom surface and this sliding seat (21) end face by this four connecting rod (24).
This clamping device (20) is incorporated in the storage tank (13) of this body (10), wherein, these sliding seat (21) two sides respectively have an alar part (213), this two alar part (213) is placed in the groove bottom of this two chute (131) respectively, make this whole clamping device (20) can along this two chute (131) in this storage tank (13) toward polyslip, and the tooth row (261) of (26) lays respectively on the position corresponding to the connected entrance (141) of this body (10) on this moment this cover plate.This clamping device also includes two cover plates (50), and combining cover is located in the engagement groove (132) of this main body (10) respectively, and seals this two chute (131) and this two engagement groove (132) simultaneously, and stops this clamping device (20) to be deviate from this storage tank (13) certainly.
This first piston (23) is located in the piston chamber (15) of this body (10), it includes a piston body (231) and and is placed through bolt (232) in this piston body (231), and this bolt (232) penetrates in this storage tank (13) and combines with this sliding seat (21); In addition, this piston chamber (15) seals with a capping (60).Thus, leading hydraulic oil enters in this body (10) and through the inner pipeline of this body of oil (10) and feeds this piston chamber (15), can promote this first piston (23) and in this piston chamber (15), move back and forth, and drive this clamping device (20) and in this storage tank (13), move back and forth.
This transmission mechanism (40) includes two gears (41) and is hubbed in this body, lay respectively in this two chamber (14), and the part gear teeth of this two gear (41) enter in this accommodation chamber (13) from this two connected entrance (141) respectively, and respectively with the engagement of the tooth row (261) of this sliding seat (21).
This two counterweight (30) is arranged in respectively in this two chamber (14), and respectively this counterweight (30) has two tooth rows (31), and with the engagement of the gear (41) of place chamber (14).Thus, when moving back and forth in the storage tank (13) of this clamping device (20) in this body (10), can synchronously move by this this two counterweight (30) of two gear (41) transmission toward rightabout.In addition, respectively two sides of this counterweight (30) respectively have a screw (32), can locking the establishing pouring weight thereon, and can adjust a counterweight weight on demand.
See also Fig. 3 to Fig. 6, below make a detailed introduction with regard to the start principle and the characteristics of the eccentric clamping (A) of present embodiment:
At first, the work package of desire processing is placed between this end face that presses plate (22) and this sliding seat (21), utilize the control of this pressure circuit to press the flow direction of hydraulic oil in the piston chamber (211) of this sliding seat (21), with order about this second piston (25) by this four connecting rod (24) drive this press plate (22) toward the top mobile of this sliding seat (21) with this work package of clamping (shown in Fig. 3,4).Now moves this sliding seat (21) makes this work package move to predetermined Working position, carry out oppositely moving with this sliding seat (21) at this two counterweight (30), the whole center of gravity of this chuck (A) and this work package is remained on the center of rotation of this chuck (A), make not take place when rotating at a high speed eccentric shaking (as Fig. 5 and shown in Figure 6) in this chuck; Because having, the weight of this work package can change to some extent with work processing object difference, make this two counterweight (30) can't reach balanced action really, so can lock the weight 3 adjustment counterweigh effects that the mode of establishing pouring weight on this two counterweight (30) changes this two counterweight (30).
Claims (10)
1. the eccentric clamping of a tool counterweight function is characterized in that, includes:
One body is installed on the rotary main shaft of a processing machine tool;
One clamping device, the path reciprocatingly is installed on this body along a straight line;
At least one counterweight is installed on this body, move back and forth in this body upper edge one straight line path, and to be parallel to the mobile route of this clamping device reciprocal in this path;
One transmission mechanism is located on this body, and when this clamping device moved, this counterweight of transmission moved in the other direction.
2. according to the eccentric clamping of the described tool counterweight of claim 1 function, it is characterized in that having two counterweights, lay respectively at the both sides of this clamping device.
3. according to the eccentric clamping of the described tool counterweight of claim 2 function, it is characterized in that wherein the two opposite sides portion of this clamping device respectively has a tooth row, this two counterweight also respectively has a tooth row; This transmission mechanism includes two gears that are hubbed on this body, and the tooth row of this two gears difference while with this clamping device and this two counterweight meshes, and when this clamping device was mobile on this body, this two counterweight of transmission was done synchronous and reverse moving respectively.
4. according to the eccentric clamping of the described tool counterweight of claim 3 function, it is characterized in that wherein this body is provided with a storage tank and two chambers, and this two chamber lays respectively at the both sides of this storage tank; This clamping device is arranged in this storage tank, and this two counterweight is arranged at respectively in this two chamber.
5. according to the eccentric clamping of the described tool counterweight of claim 4 function, it is characterized in that wherein this storage tank respectively is formed with a connected entrance on the cell wall adjacent to this chamber respectively, this storage tank is communicated with this two chamber respectively; This two gear lay respectively in this two chamber and respectively with the engagement of this two counterweight, respectively the part gear teeth of this gear stretch out relative connected entrance by the chamber at place and enter in this storage tank and this clamping device engagement.
6. according to the eccentric clamping of the described tool counterweight of claim 1 function, it is characterized in that wherein this clamping device includes a sliding seat and a piston, and be incorporated on this body along straight line path toward the mode of moving polyslip by this sliding seat; This body is provided with a piston chamber, and this piston is located in this piston chamber, and links with this sliding seat; Import hydraulic oil enter in this piston chamber and promote this piston in this piston chamber toward polyslip, drive the same past polyslip of row in this storage tank of this clamping device.
7. according to the eccentric clamping of the described tool counterweight of claim 1 function, it is characterized in that wherein this clamping device includes a sliding seat, a piston, four connecting rods, and presses plate, a cover plate and a connecting rod; Be provided with a piston chamber and four perforation in this sliding seat, this piston chamber forms an opening in the bottom surface of this sliding seat, and this four perforation lays respectively at this sliding seat near place, four end angles, and runs through top, the bottom surface of this sliding seat respectively; This piston is arranged in this piston chamber; This cover plate is covered on the bottom surface of this sliding seat and seals this cunning plug chamber, and it has a perforation and passes for end of this piston and link this web; This four connecting rod is placed through respectively in this four perforation, and the two ends of each connecting rod protrude in respectively outside the perforation of place; Respectively an end of this connecting plate links this web, and other end then links this and presses plate; Import hydraulic oil and enter in this piston chamber capablely of polyslip, and drive this via this web, this four connecting rod and press capable synchronous the moving back and forth of plate, holding workpiece to change spacing between this bottom surface that presses plate and this sliding seat end face to promote this piston.
8. according to the eccentric clamping of the described tool counterweight of claim 7 function, it is characterized in that, include two counterweights; Again, this cover plate two opposite sides portion respectively has a tooth row, and this two counterweight also respectively has to a tooth row; This transmission mechanism includes two gears that are hubbed on this body, this two gear meshes with the tooth row of these cover plate two sidepieces and the tooth row of this two counterweight respectively, when this clamping device was mobile on this body, this two counterweight of transmission was done synchronous and reverse moving respectively.
9. according to the eccentric clamping of the described tool counterweight of claim 7 function, it is characterized in that wherein this body has a storage tank, two chutes, two engagement grooves and two cover plates; Wherein, this storage tank, this two chute and this two engagement groove common opening that forms on the end face of this sliding seat; This two chute is adjacent to these storage tank two sides respectively and respectively some is communicated with this storage tank, and this two engagement groove then is adjacent to this two chutes outside respectively and is communicated with this two chute respectively; This sliding seat is arranged in this storage tank, and its two side respectively has an alar part, and this two alar part is placed in the groove bottom of this two chute respectively, make this whole clamping device can along this two chute in this storage tank toward polyslip; This two cover plate combining cover respectively is located in this two engagement groove, and seals this two chute and this two engagement groove simultaneously, stops this clamping device to be deviate from this storage tank.
10. according to the eccentric clamping of the described tool counterweight of claim 1 function, it is characterized in that wherein these counterweight two ends respectively have a screw, with can lock establish predetermined quantity balancing weight on this counterweight, and can adjust counterweight weight on demand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420077110 CN2728703Y (en) | 2004-07-21 | 2004-07-21 | Eccentric clamp having counter balancing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420077110 CN2728703Y (en) | 2004-07-21 | 2004-07-21 | Eccentric clamp having counter balancing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2728703Y true CN2728703Y (en) | 2005-09-28 |
Family
ID=35047486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420077110 Expired - Lifetime CN2728703Y (en) | 2004-07-21 | 2004-07-21 | Eccentric clamp having counter balancing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2728703Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476287A (en) * | 2014-12-25 | 2015-04-01 | 江西佳时特数控技术有限公司 | Self-balancing type lathe fixture |
| CN108422241A (en) * | 2017-02-15 | 2018-08-21 | 上海瑞麒美贸易有限公司 | Dynamical type eccentric clamping |
| CN109163982A (en) * | 2018-09-06 | 2019-01-08 | 北京航星机器制造有限公司 | A kind of thermal environment bilateral loading equipment and test method |
-
2004
- 2004-07-21 CN CN 200420077110 patent/CN2728703Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476287A (en) * | 2014-12-25 | 2015-04-01 | 江西佳时特数控技术有限公司 | Self-balancing type lathe fixture |
| CN108422241A (en) * | 2017-02-15 | 2018-08-21 | 上海瑞麒美贸易有限公司 | Dynamical type eccentric clamping |
| CN109163982A (en) * | 2018-09-06 | 2019-01-08 | 北京航星机器制造有限公司 | A kind of thermal environment bilateral loading equipment and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140721 Granted publication date: 20050928 |