CN204094503U - Transmission clamping device - Google Patents
Transmission clamping device Download PDFInfo
- Publication number
- CN204094503U CN204094503U CN201420592659.6U CN201420592659U CN204094503U CN 204094503 U CN204094503 U CN 204094503U CN 201420592659 U CN201420592659 U CN 201420592659U CN 204094503 U CN204094503 U CN 204094503U
- Authority
- CN
- China
- Prior art keywords
- base
- transmission rod
- transmission
- clamping device
- flexible
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 109
- 230000033001 locomotion Effects 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000003754 machining Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000287828 Gallus gallus Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model discloses a transmission clamping device, which comprises a base (1), a transmission rod (2) and a flexible tightening piece (3), wherein the transmission rod (2) is arranged on the base (1), and the position of the flexible tightening piece (3) can be adjusted along the length direction of the transmission rod (1), one end of the flexible tightening piece is connected with the transmission rod (2), and the flexible binding member (3) is releasably connectable to the base (1), such that at least a part of said flexible tightening member (3) is formed as a tightening hoop for tightening a workpiece, so that the flexible tightening piece (3) can be driven to tighten or loosen by adjusting the position of the transmission rod (2) along the length direction under the state of being connected with the base (1), the transmission clamping device is convenient and reliable to adjust, and can be suitable for clamping workpieces of different specifications.
Description
Technical Field
The utility model relates to a tight technical field of clamp of object specifically relates to a be used for pressing from both sides tight or to being binded tight transmission clamping device by the clamp to the work piece.
Background
In general, in various construction operations, various workpieces or objects are often required to be clamped or bound according to actual requirements.
For example, in machining, it is often necessary to perform machining work such as cutting on a workpiece. When a step shaft and a slender shaft are machined, in order to ensure machining accuracy, center holes at two ends of a workpiece are clamped and positioned in a butting mode, and the workpiece is driven by a heart-shaped driving clamp. The transmission clamp consists of a fixing ring and three or four screws which are uniformly distributed around the fixing ring in the circumferential direction, when the transmission clamp is used, the screws are adjusted to proper positions according to the diameter of a workpiece, the transmission clamp is sleeved on the workpiece, the workpiece is clamped and pressed tightly by two tops of a machine tool, then the transmission clamp moves one end of a drive plate of the machine tool, the workpiece is pressed by an adjusting screw, the workpiece is rotated to enable one screw of the transmission clamp to be matched with a driving lever on the drive plate, and finally the machine tool is started to carry out processing operation. However, the chicken heart transmission clamp is not suitable for a workpiece with large cutting force or large diameter due to small transmission torque, and has a limited application range.
For this reason, for machining a workpiece with a large diameter, it is known to weld a pile rod on the corresponding outer surface of the workpiece, so that the pile rod is engaged with a shift lever on a dial for transmission, and the pile rod is removed after the machining is completed. However, welding the pile rod is inconvenient, and the workpiece is easily deformed to a certain extent, which adversely affects the machining precision.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a transmission clamping device, this transmission clamping device adjust convenient and reliable, can be applicable to the clamp of the work piece of different specifications tightly.
In order to achieve the above object, the present invention provides a transmission clamping device, which includes a base, a transmission rod and a flexible tightening member, wherein the transmission rod is disposed on the base and can be adjusted in position along a length direction of the transmission rod, one end of the flexible tightening member is connected to the transmission rod, and the flexible tightening member can be releasably connected to the base, so that at least a part of the flexible tightening member is formed as a tightening hoop for tightening a workpiece, thereby the flexible tightening member is connected to the base and can be driven to tighten or loosen the tightening hoop by adjusting the position of the transmission rod along a length direction.
Through the technical scheme, because the position of the transmission rod can be adjusted in the length direction of the transmission rod, one end of the flexible tightening piece is connected to the transmission rod, and the flexible tightening piece can be releasably connected to the base, so that when a workpiece (a tightened object or a clamped object) needs to be tightened, the flexible tightening piece is separated from the base, the base is placed on the workpiece, the flexible tightening piece is tightened around the workpiece, and the flexible tightening piece is connected to the base, so that at least one part of the flexible tightening piece is formed into a tightening hoop for tightening the workpiece, and then the position of the transmission rod is adjusted in the length direction of the transmission rod to drive the tightening hoop to tighten, so that the workpiece is clamped.
Preferably, the transmission lever is provided on the base by a rotation-restricting structure.
Preferably, a channel with both ends open is formed in the base along the length direction, and the transmission rod is fitted in the channel through the rotation limiting structure so that the transmission rod can move only in the length direction relative to the channel.
Preferably, the rotation limiting structure comprises a polygonal hole portion of the passage and a polygonal rod section of the transmission rod which are fitted to each other.
Preferably, the transmission clamping device further comprises a rotating part which is rotatably arranged on the base and is fixed in position in the length direction, and the rotating part is matched with the transmission rod through a motion conversion mechanism so as to convert the rotating motion of the rotating part into the movement of the transmission rod along the length direction.
Preferably, the motion conversion mechanism is an external threaded section formed on the transmission rod and an internal threaded hole formed on the rotation member to be engaged with the external threaded section.
Preferably, a circumferential groove is formed on an outer circumferential side of the rotating member, and a plug pin which can be inserted into the circumferential groove is connected to the base, so that the rotating member is fixed in position in the length direction while rotating.
Preferably, said one end of said flexible binding member is hinged to said transmission rod.
Preferably, a guide roller is disposed on the base at a position close to a connection position of the flexible tightening member and the transmission rod, and the flexible tightening member passes through an outer surface of the guide roller and then is connected to the transmission rod.
Preferably, a section of the flexible lacing member spaced from the one end is provided with a plurality of detents spaced along a length of the flexible lacing member, each detent being releasably connectable with a detent on the base.
Preferably, the flexible lacing member is a chain.
Preferably, the bottom of the base is formed with a fitting positioning structure, and a fitting surface of the fitting positioning structure can be adapted to an outer contour of a workpiece, so that the base can be positioned on the workpiece.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a diagram illustrating a state of use of a transmission clamping device according to an embodiment of the present invention;
fig. 2 is a schematic top view of a transmission clamping device according to an embodiment of the present invention;
FIG. 3 is a sectional structural view of the susceptor in FIG. 1
Description of the reference numerals
1-base, 2-transmission rod, 3-flexible binding piece, 4-channel, 5-rotation piece, 6-circumferential groove, 7-bolt, 8-guide roller, 9-bayonet lock, 10-bayonet lock, 11-joint positioning structure, 12-workpiece and 13-opening part.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
As shown in fig. 1, the present embodiment provides a transmission clamping device comprising a base 1, a transmission rod 2, and a flexible tightening member 3, wherein,
the transmission rod 2 is arranged on the base 1 and can adjust the position along the length direction of the transmission rod 1, one end of the flexible tightening piece 3 is connected with the transmission rod 2, and the flexible tightening piece 3 can be releasably connected with the base 1, so that at least one part of the flexible tightening piece 3 is formed into a tightening hoop for tightening the workpiece 12, thereby the tightening hoop can be driven to tighten or loosen by adjusting the position of the transmission rod 2 along the length direction under the state that the flexible tightening piece 3 is connected with the base 1.
Thus, since the position of the transmission rod 2 can be adjusted in the length direction thereof, one end of the flexible tightening member 3 is connected to the transmission rod 2, and the flexible tightening member 3 can be releasably connected to the base 1, when it is necessary to tighten the workpiece 12 (or a tightened object or a clamped object), the flexible tightening member 3 is separated from the base 1, the base 1 is placed on the workpiece 12, and the flexible tightening member 3 is tightened around the workpiece 12 and the flexible tightening member 3 is connected to the base 1, so that at least a part of the flexible tightening member 3 is formed as a tightening hoop that tightens the workpiece 12, and then the position of the transmission rod is adjusted in the length direction of the transmission rod 2 to bring the tightening hoop into tightening, thereby clamping the workpiece 12.
In the embodiment of the position adjustment of the transmission rod 2 along the length direction thereof, the transmission rod 2 can be rotatably disposed, for example, a threaded hole is formed on the base 1 along the length direction, the transmission rod 2 has an external thread section and is fitted in the threaded hole, at this time, the end of the transmission rod 2 is rotatably connected with the flexible tightening member 3 through a spherical revolute pair, for example, an openable ball recess is formed at the end of the flexible tightening member 3, and a ball body is formed at the end of the transmission rod 2 and can be accommodated in the ball recess, so that the transmission rod 2 rotates in the threaded hole through the threaded fit to adjust the position along the length direction, and the ball body rotates in the ball recess and drives the flexible tightening member 3 to tighten or loosen. However, when the driving rod 2 rotates to tighten the flexible tightening member 3, the ball rotates in the spherical recess and exerts a force on the inner wall surface of the spherical recess, so that the flexible tightening member 3 may be slightly twisted.
Therefore, in order to avoid slight twisting of the flexible tightening member 3, it is preferable that the transmission lever 2 is provided on the base 1 by a rotation-restricting structure, that is, in a preferred embodiment, the transmission lever 2 cannot rotate relative to the base 1 during movement of the transmission lever 2 on the base 1 in the lengthwise direction of the transmission lever 2, thereby preventing the flexible tightening member 3 from being twisted to affect tightening of the workpiece.
Further, as shown in fig. 1 and 3, a passage 4 with both ends open is formed in the base 1 along the length direction, and the transmission lever 2 is fitted in the passage 4 through the rotation restricting structure, so that the transmission lever 2 can only move relative to the passage 4 along the length direction and cannot rotate in the passage 4.
Further, the rotation restricting structure that prevents the rotation of the transmission lever 2 while moving may have various structural forms, for example, the rotation restricting structure may include a groove formed on an inner wall of the channel 4 extending in an axial direction of the channel 4 and a projection formed on an outer surface of the transmission lever 2 to be engaged with the groove, or vice versa, such that the projection prevents the rotation of the transmission lever 2 while sliding in the groove; or,
for ease of shaping, the rotation limiting structure preferably comprises a matching polygonal bore portion of the passage 4 and a polygonal rod section of the transmission rod 2. For example, a square head on the transmission rod 2 is fitted with a square hole portion of the passage 4 so as not to rotate while the transmission rod 2 is moved.
In addition, in order to facilitate the position adjustment of the transmission rod 2 in the length direction, preferably, as shown in fig. 1, the transmission clamping device of the present invention further includes a rotating member 5, the rotating member 5 is rotatably disposed on the base 1 and is fixed in position in the length direction, and the rotating member 5 is engaged with the transmission rod 2 through a motion converting mechanism to convert the rotating motion of the rotating member 5 into the movement of the transmission rod 2 in the length direction. Thus, by rotating the rotating member 5, the driving rod 2 can be conveniently driven to move along the length direction thereof, so as to drive the flexible tightening member 3 to tighten or loosen.
In a preferred form of the motion conversion mechanism, the motion conversion mechanism is a male threaded section formed on the transmission rod 2 and a female threaded bore formed on the rotation member 5 that mates with the male threaded section. For example, the rotating member 5 may be a nut, and the transmission rod 2 may be a screw, and at this time, the other end of the screw is formed with the square head, which can be matched with the square hole part of the passage 4, so that the screw can be driven to move in the passage 4 by screwing the nut.
Further, since the rotating member 5 needs to be fixed in position in the longitudinal direction when rotating, in a preferred configuration, as shown in fig. 1, a circumferential groove 6 is formed on the outer circumferential side of the rotating member 5, and a plug 7 that can be inserted into the circumferential groove 6 is connected to the base 1 so that the rotating member 5 is fixed in position in the longitudinal direction while rotating. For example, in the interface shown in fig. 3, the upper portion of passageway 4 is formed with a rotation piece installation department, and like this, driving medium 2 arranges in passageway 4, and the one end of driving medium 2 is connected with flexible lacing piece, and the other end stretches out from passageway 4, and rotation piece 5 assembles rotate the piece installation department and suit at driving medium 2 on the tip of the other end, bolt 7 passes the lateral wall of rotating the piece installation department telescopically and inserts in circumferential groove 6 to when rotating piece 5 and rotating, have relative circumferential motion between bolt 7 and circumferential groove 6, simultaneously, bolt 7 prevents to rotate piece 5 and follow length direction removes.
In addition, in order to facilitate the movement of the flexible tightening member 3, it is preferable that the one end of the flexible tightening member 3 is hinged to the transmission lever 2 so that the flexible tightening member 3 can be rotated appropriately when the position of the transmission lever 2 is adjusted in the lengthwise direction.
In order to prevent the flexible tightening member 3 from being jammed during the movement, it is preferable that a guide roller 8 is provided on the base 1 near the connection between the flexible tightening member 3 and the driving rod 2, as shown in fig. 1 and 3, and the flexible tightening member 3 is connected to the driving rod 2 after passing through the outer surface of the guide roller 8. For example, in the interface shown in fig. 3, an opening 13 is formed at a lower side portion of the channel 4, and the guide roller 8 is rotatably provided at a side plate of the opening 13 by a rotating shaft, so that the flexible tightening member 3 is hinged to the driving lever 2 after passing through a lower portion of the guide roller 8.
Furthermore, in order to facilitate the flexible tightening member 3 to tighten the workpiece and to releasably connect to the base 1, it is preferable that a section of the flexible tightening member 3 spaced from the one end is provided with a plurality of detents 9 spaced along the length of the flexible tightening member 3, as shown in fig. 1 and 2, and each detent 9 can be releasably connected to a detent 10 on the base 1. More preferably, as shown in fig. 2 and 3, the channel 4 of the base is formed with an opening 13 on one side and a catch 10 on the other side, so that one end of the flexible lacing element 3 is hinged to the transmission rod 2 on one side of the base 1 and is connected to the base on the other side of the base by the engagement of the catch 9 with the catch 10 after passing through the workpiece. Thus, according to workpieces with different diameters, the corresponding clamping pin 9 can be selected to be matched with the clamping groove 10.
In addition, the flexible tightening piece 3 is a chain, which can be a plate-type chain or a ring-type chain, and the friction force between a plurality of chain links of the chain and the workpiece is large, so that the transmitted torque force is large; in addition, the chain links of the chain can be increased or decreased at will, so that the range of applicable workpieces is wide.
In addition, in order to facilitate the placement and positioning of the base on the workpiece, preferably, as shown in fig. 1 and 3, the bottom of the base 1 is formed with a fitting positioning structure 11, and a fitting surface of the fitting positioning structure 11 can be adapted to the outer contour of the workpiece 12, so that the base 1 can be positioned on the workpiece 12.
The utility model discloses a transmission clamping device can be used for multiple purposes according to different demands, for example, in the machining of work piece, when needing great cutting force or when processing great work piece such as the cylinder of great hole of diameter, as shown in figure 1, adjusting nut 5 transfers screw rod 2 to the position of bottom, because the square head of screw rod 2 lower part cooperates with the square hole part in through-hole 4, therefore screw rod 2 can not rotate only up-and-down motion when rotating nut 5; a workpiece is hung on a machine tool and is arranged, the device is placed above the workpiece, a joint positioning structure 11 below a base 1 enables the device to ride on the workpiece 12, a chain 3 is tightened around the workpiece 12, a clamping pin 9 of the chain is placed in a clamping groove on the left side of the base 1, then the device is moved to the position of a machine tool drive plate along the axial direction of the workpiece, the base is matched with a deflector rod on the drive plate, the chain 3 is tightened by a spanner adjusting nut 5 and is tightly hooped on the surface of the workpiece, and then the machine tool is started to carry out machining operation; the device can be removed by reversing the adjustment nut 5 after the workpiece is machined, releasing the chain 3 and disengaging the pins 9 of the chain from the slots 10 on the left side of the base 1.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (12)
1. A transmission clamping device, comprising a base (1), a transmission rod (2) and a flexible tightening member (3), wherein the transmission rod (2) is arranged on the base (1) and can adjust the position along the length direction of the transmission rod (1), one end of the flexible tightening member (3) is connected to the transmission rod (2), and the flexible tightening member (3) can be releasably connected to the base (1), so that at least one part of the flexible tightening member (3) is formed into a tightening hoop for tightening a workpiece, thereby the tightening or loosening of the tightening hoop can be driven by adjusting the position of the transmission rod (2) along the length direction in the state that the flexible tightening member (3) is connected to the base (1).
2. The transmission clamping device according to claim 1, characterized in that the transmission rod (2) is arranged on the base (1) by means of a rotation-limiting structure.
3. The transmission clamping device according to claim 2, characterized in that a channel (4) with two open ends is formed in the base (1) along the length direction, and the transmission rod (2) is fitted in the channel (4) through the rotation limiting structure, so that the transmission rod (2) can only move relative to the channel (4) along the length direction.
4. The transmission clamping device according to claim 3, wherein the rotation limiting structure comprises a polygonal hole portion of the passage (4) and a polygonal rod section of the transmission rod (2) which are fitted to each other.
5. The transmission clamping device according to claim 1, characterized by further comprising a rotating member (5), wherein the rotating member (5) is rotatably arranged on the base (1) and is fixed in position in the length direction, and the rotating member (5) is matched with the transmission rod (2) through a motion conversion mechanism so as to convert the rotating motion of the rotating member (5) into the movement of the transmission rod (2) along the length direction.
6. The transmission clamping device according to claim 5, characterized in that the motion conversion mechanism is an externally threaded section formed on the transmission rod (2) and an internally threaded bore formed on the rotation member (5) cooperating with the externally threaded section.
7. The transmission clamping device according to claim 5, characterized in that a circumferential groove (6) is formed on the outer circumferential side of the rotating member (5), and a plug pin (7) which can be inserted into the circumferential groove (6) is connected to the base (1) so that the rotating member (5) is fixed in position in the longitudinal direction while rotating.
8. The transmission clamping device according to claim 1, characterized in that said one end of the flexible binding (3) is hinged to the transmission rod (2).
9. The transmission clamping device according to any one of claims 1-8, wherein a guide roller (8) is provided on the base (1) near the connection between the flexible tightening member (3) and the transmission rod (2), and the flexible tightening member (3) is connected to the transmission rod (2) after passing the outer surface of the guide roller (8).
10. The transmission clamping device according to any one of claims 1 to 8, wherein a section of the flexible tight member (3) spaced from the one end is provided with a plurality of detents (9) at intervals along the length of the flexible tight member (3), each detent (9) being releasably connectable with a detent groove (10) on the base (1).
11. The transmission clamping device according to any one of claims 1 to 8, characterized in that the flexible tightening member (3) is a chain.
12. The transmission clamping device according to any one of claims 1 to 8, characterized in that the bottom of the base (1) is formed with a fitting positioning structure (11), the fitting surface of which fitting positioning structure (11) can be adapted to the outer contour of a workpiece (12) so that the base can be positioned onto the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420592659.6U CN204094503U (en) | 2014-10-14 | 2014-10-14 | Transmission clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420592659.6U CN204094503U (en) | 2014-10-14 | 2014-10-14 | Transmission clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204094503U true CN204094503U (en) | 2015-01-14 |
Family
ID=52262972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420592659.6U Expired - Lifetime CN204094503U (en) | 2014-10-14 | 2014-10-14 | Transmission clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204094503U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655017A (en) * | 2016-12-20 | 2017-05-10 | 惠州市格雷戈里科技有限公司 | Skin tearing machine |
| CN107838860A (en) * | 2017-12-21 | 2018-03-27 | 国网河北省电力有限公司衡水供电分公司 | A kind of main transformer silica gel tank changes combination tool |
-
2014
- 2014-10-14 CN CN201420592659.6U patent/CN204094503U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655017A (en) * | 2016-12-20 | 2017-05-10 | 惠州市格雷戈里科技有限公司 | Skin tearing machine |
| CN106655017B (en) * | 2016-12-20 | 2019-01-08 | 绍兴柯桥品茂纺织有限公司 | Skin tearing machine |
| CN107838860A (en) * | 2017-12-21 | 2018-03-27 | 国网河北省电力有限公司衡水供电分公司 | A kind of main transformer silica gel tank changes combination tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101668618B (en) | Tightening device with swivelling handling arm and appliance including such a device | |
| CN203765538U (en) | Two-way bolt spanner | |
| US20200041055A1 (en) | Quick-disassembly nipple connector structure | |
| CN106662136A (en) | Bolt for bracing parts lying on one another | |
| CN216096462U (en) | Three-jaw chuck positioning tool | |
| CN204094503U (en) | Transmission clamping device | |
| US20160193664A1 (en) | Auto sizing chuck | |
| CN103753417A (en) | Pliers with adjustable jaw | |
| CN101444904B (en) | Adjustable quick-clamp ratchet wrench | |
| CN105983934A (en) | Adjustable wrench | |
| CN205904921U (en) | Spanner | |
| CN206811191U (en) | Electric drill chuck | |
| US20170014925A1 (en) | Rethreader die | |
| CN104939891A (en) | Self-tightening type bone drilling machine head | |
| CN217751209U (en) | Self-tightening hexagonal sleeve | |
| CN206084889U (en) | Totally closed surface damage of preventing screws up device | |
| CN208826383U (en) | A kind of adjustable type spanner water pump pliers with parallel clamping function | |
| CN108145641A (en) | A kind of spring pipe vice | |
| CN205520529U (en) | Work piece tool of centre gripping angularly adjustable | |
| TWI624330B (en) | Pawl tool structure | |
| CN108788253A (en) | Electric drill collet | |
| CN201030489Y (en) | Revolving body processing jig | |
| WO2006082450A1 (en) | Thread cutting device | |
| CN205799314U (en) | Nylon tube and the assembling device of joint | |
| CN201815688U (en) | Anti-loosedrill chuck |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |