CN211680735U - Switchable combined clamping device - Google Patents
Switchable combined clamping device Download PDFInfo
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- CN211680735U CN211680735U CN201922488435.6U CN201922488435U CN211680735U CN 211680735 U CN211680735 U CN 211680735U CN 201922488435 U CN201922488435 U CN 201922488435U CN 211680735 U CN211680735 U CN 211680735U
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- 230000007246 mechanism Effects 0.000 claims abstract description 77
- 230000005540 biological transmission Effects 0.000 claims abstract description 53
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model relates to the field of clamping tool equipment, in particular to a switchable combined clamping device, which comprises a clamping driving mechanism and a clamping mechanism which are arranged on a base, wherein the clamping driving mechanism is respectively connected with the two clamping mechanisms in a transmission way, and also comprises a switching driving mechanism which is arranged on the base; the clamping driving assembly comprises a driving shaft, a first driving gear and a second driving gear, wherein the first driving gear and the second driving gear penetrate through the driving shaft, the first driving gear is in meshing transmission with one of the transmission assemblies, and the second driving gear is in meshing transmission with the other transmission assembly. The switching driving mechanism can realize the switching operation of synchronous or independent clamping of the two clamping mechanisms by driving the driving mechanism to move.
Description
Technical Field
The utility model relates to a press from both sides tight construction installation equipment field, concretely relates to changeable combination clamping device.
Background
When the workpiece is welded, the workpiece needs to be clamped and fixed by the clamping component, so that the workpiece is kept in a stable state during welding, and the welding quality is ensured. However, since the sizes of the workpieces are different on the spot, when the combined clamping mechanism is used, the clamping position of the workpiece needs to be determined according to the requirement on the spot, and whether a plurality of clamping points are needed or not needs to be determined. The existing combined clamping mechanism can only control two clamping parts simultaneously through one driving device to clamp and fix a workpiece, and can not independently operate a single clamping part. Therefore, a clamping device capable of synchronously or independently clamping is needed to meet the processing requirements of workpieces with different specifications.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to overcome the shortcomings of the prior art and to provide a switchable combination clamp device.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a switchable combined clamping device comprises a clamping driving mechanism and clamping mechanisms which are arranged on a base, wherein the clamping driving mechanism is in transmission connection with the two clamping mechanisms respectively;
the clamping driving assembly comprises a driving shaft, a first driving gear and a second driving gear, wherein the first driving gear and the second driving gear penetrate through the driving shaft; the switching driving mechanism is used for driving the first driving gear and the second driving gear to be meshed with or separated from the corresponding transmission assembly.
Further, the transmission assembly comprises a screw rod and a support plate, a nut is in threaded fit with the screw rod, and the support plate is mounted on the nut; the screw rod is arranged on the base and is arranged in parallel with the driving shaft; the screw rod is provided with driven gears, and each driven gear can be meshed with the first driving gear or the second driving gear; one driven gear is meshed with the first driving gear, and the other driven gear is meshed with the second driving gear; a spacer block is arranged between the two supporting plates, and the two supporting plates are respectively in sliding fit with the spacer block and can slide along the length direction of the screw rod.
Further, the clamping driving assembly comprises a driving motor, and the driving motor is connected with the driving shaft; the first driving gear and the second driving gear are arranged at intervals, the distance between the first driving gear and the second driving gear is marked as L, and the distance L is larger than the thickness of the driven gear.
Furthermore, the switching driving mechanism comprises a mounting plate and a driving cylinder, and the clamping driving assembly is arranged on the mounting plate; a first guide rail is arranged on the base, and a first sliding block in sliding fit with the first guide rail is arranged on the mounting plate; the driving cylinder is connected with the mounting plate and used for driving the mounting plate to move along the length direction of the driving shaft.
Furthermore, a second guide rail is arranged on one side, close to the supporting plate, of the spacer block, and a second sliding block in sliding fit with the second guide rail is arranged on the supporting plate.
Further, the clamping device also comprises a supporting table for mounting the clamping mechanism, and the supporting table is fixed on the base; the clamping mechanism comprises a transmission part, a clamping part and two connecting rods, one ends of the two connecting rods are respectively hinged with the clamping part, and the other ends of the two connecting rods are respectively hinged with the transmission part; the driving medium rotates and installs on a supporting bench, and the backup pad drive driving medium rotates on a supporting bench, and two connecting rods pull clamping part interlock or open.
Further, the transmission part comprises a support rod, an upper driving rod and a lower driving rod, wherein the upper driving rod is fixed at the top of the support rod, and the lower driving rod is fixed at the bottom of the support rod; the supporting rod is rotatably connected to the supporting platform, and the two connecting rods are respectively hinged to two ends of the upper driving rod;
the supporting plate is provided with a sliding groove perpendicular to the length direction of the screw rod, a pin shaft is matched in the sliding groove in a sliding mode, and the pin shaft is installed on the lower driving rod.
Furthermore, the clamping parts of the two clamping mechanisms are arranged oppositely, each clamping part comprises two clamping jaws, the two clamping jaws are hinged to the supporting platform, and two ends of each connecting rod are hinged to one clamping jaw and the upper driving rod respectively.
The utility model has the advantages that: the utility model discloses a changeable combination clamping device, its first drive gear and second drive gear through with actuating mechanism respectively with a drive assembly meshing transmission, switch actuating mechanism and pass through the drive actuating mechanism and remove, can realize the switching operation to two fixture's synchronization or independent centre gripping, can press from both sides tightly fixedly like this to the work piece of isostructure, can switch the regulation, labour saving and time saving according to the on-the-spot demand. The clamping mechanism is simple and reliable in transmission mode, convenient to operate and beneficial to improving the machining quality and the production efficiency of workpieces.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of a switchable combination clamping device of the present invention;
FIG. 2 is a schematic view of the structure of the supporting plate and the spacer;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
fig. 4 is a schematic structural diagram of the clamping mechanism.
Reference numerals:
1-base, 2-clamping driving mechanism, 21-driving shaft, 22-first driving gear, 23-second driving gear, 24-screw rod, 25-supporting plate, 251-chute, 26-nut, 27-driven gear, 28-driving motor, 29-second slide block, 3-clamping mechanism, 31-transmission piece, 311-supporting rod, 312-upper driving rod, 313-lower driving rod, 314-pin shaft, 32-clamping part, 321-clamping jaw, 33-connecting rod, 4-switching driving mechanism, 41-mounting plate, 42-driving cylinder, 43-first guide rail, 5-spacer block, 51-second guide rail, 6-supporting table, 7-screw rod bearing seat and 8-driving shaft bearing seat.
Detailed Description
The present invention will be described in further detail with reference to examples.
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, for a switchable combined clamping device of the utility model, the combined clamping device includes a clamping driving mechanism 2 and a clamping mechanism 3 installed on a base 1, the clamping driving mechanism 2 is respectively connected with the two clamping mechanisms 3 in a transmission manner, and further includes a switching clamping driving mechanism 2 installed on the base 1, the clamping driving mechanism 2 includes a clamping driving assembly and two transmission assemblies, the two transmission assemblies are arranged at two sides of the clamping driving assembly, each transmission assembly is respectively connected with one clamping mechanism 3, and the clamping driving assembly is installed on the switching clamping driving mechanism 2; the clamping driving assembly comprises a driving shaft 21, a first driving gear 22 and a second driving gear 23, wherein the first driving gear 22 and the second driving gear 23 are arranged on the driving shaft 21 in a penetrating mode; the switching grip driving mechanism 2 is used to drive the first driving gear 22 and the second driving gear 23 into and out of engagement with the corresponding transmission components.
The combined clamping device comprises a clamping driving mechanism 2 and two clamping mechanisms 3 which are arranged on a base 1, wherein the two clamping mechanisms 3 are symmetrically arranged on two sides of the clamping driving mechanism 2, and the clamping driving mechanism 2 is used for driving the two clamping mechanisms 3 to clamp a workpiece simultaneously or independently driving one of the clamping mechanisms 3 to clamp the workpiece.
In particular, the gripping drive assembly is connected to two transmission assemblies, each of which is connected to one gripping means 3. The clamping driving mechanism 2 comprises a driving shaft 21, a first driving gear 22 and a second driving gear 23, and by driving the driving shaft 21 to rotate, the first driving gear 22 on the driving shaft 21 is meshed with a corresponding transmission component for transmission, so that the clamping mechanism 3 meshed with the transmission component clamps or releases a workpiece; similarly, the second driving gear 23 is engaged with the other corresponding transmission component for transmission, so that the clamping mechanism 3 engaged with the transmission component clamps or releases the workpiece, and further, the two clamping mechanisms 3 of the combined clamping device can simultaneously clamp or release the workpiece, thereby meeting the processing requirement.
In order to switch the combined clamping to the independent clamping of the single clamping mechanism 3, the clamping driving mechanism 2 further comprises a switching driving mechanism 4, and the switching driving mechanism 4 is used for simultaneously driving the first driving gear 22 and the second driving gear 23 to be respectively engaged with or disengaged from the corresponding transmission components. As shown in fig. 1, in the present embodiment, the first driving gear 22 and the second driving gear 23 have the same structure, size and size, so that when the switching driving mechanism 4 simultaneously drives the entire clamping driving mechanism 2 to move along the central axis direction of the driving shaft 21, the first driving gear 22 is disengaged from the corresponding transmission component and then is in meshing transmission with another transmission component (the transmission component in meshing transmission with the second driving gear 23), and the second driving gear 23 idles on the driving shaft 21; or, when the switching driving mechanism 4 simultaneously drives the whole clamping driving mechanism 2 to move along the central axis direction of the driving shaft 21, the second driving gear 23 is disengaged from the corresponding transmission component and then is in meshing transmission with another transmission component (the transmission component in meshing transmission with the first driving gear 22), and the first driving gear 22 idles on the driving shaft 21, so that the combined clamping is switched into a single clamping mechanism 3 for independent clamping, and the production requirement is met.
Specifically, the transmission assembly comprises a screw rod 24 and a support plate 25, a nut 26 is in threaded fit on the screw rod 24, and the support plate 25 is installed on the nut 26; the screw rod 24 is arranged on the base 1, and the screw rod 24 is arranged in parallel with the driving shaft 21; the screw rod 24 is provided with driven gears 27, and each driven gear 27 can be meshed with the first driving gear 22 or the second driving gear 23; one of the driven gears 27 is meshed with the first driving gear 22, and the other driven gear 27 is meshed with the second driving gear 23; a spacing block 5 is arranged between the two supporting plates 25, and the two supporting plates 25 are respectively matched with the spacing block 5 in a sliding manner and can slide along the length direction of the screw rod 24.
The screw 24 is mounted on the base 1 through the screw bearing block 7, and the central axis of the screw 24 is parallel to the central axis of the drive shaft 21. One end of the screw rod 24 is further provided with a driven gear 27, and the driven gear 27 can be respectively meshed with the first driving gear 22 or the second driving gear 23. The nut 26 is installed at the bottom of the support plate 25, and when the first/second driving gears 22/23 rotate, the corresponding driven gear 27 is rotated, thereby rotating the lead screw 24. After the screw rod 24 rotates, the nut 26 in threaded fit with the screw rod can rotate, and because the spacer 5 is arranged between the two support plates 25 and the support plates 25 are in sliding fit with the spacer 5, the nut 26 can drive the support plates 25 to do linear motion along the screw rod 24, and further drive the corresponding clamping mechanism to clamp or loosen a workpiece.
In order to power the drive shaft 21 for rotation, the clamping drive assembly comprises a drive motor 28, the drive motor 28 being connected to the drive shaft 21; the first driving gear 22 and the second driving gear 23 are arranged at intervals, the distance between the first driving gear 22 and the second driving gear 23 is marked as L, and the distance L is larger than the thickness of the driven gear 27. As shown in fig. 3, the drive shaft 21 is mounted on the switching drive mechanism 4 through the drive shaft bearing housing 8, and the interval L between the first drive gear 22 and the second drive gear 23 is larger than the thickness of the driven gear 27. For example, when the first driving gear 22 is disengaged from the corresponding driven gear 27, the first driving gear is driven by the switching driving mechanism 4 to be in meshing transmission with another driven gear 27 (the driven gear 27 in meshing transmission with the second driving gear 23), and the second driving gear 23 idles on the driving shaft 21. Therefore, only if the distance L is larger than the thickness of the driven gear 27, the first driving gear 22 or the second driving gear 23 will be meshed with the other driven gear 27 to realize the switching of the independent clamping of the single clamping mechanism 3, avoiding mutual interference.
Further, the switching clamping driving mechanism 2 comprises a mounting plate 41 and a driving cylinder 42, and the clamping driving assembly is arranged on the mounting plate 41; a first guide rail 43 is arranged on the base 1, and a first sliding block in sliding fit with the first guide rail 43 is arranged on the mounting plate 41; the driving cylinder 42 is connected to the mounting plate 41, and the driving cylinder 42 drives the mounting plate 41 to move in the longitudinal direction of the driving shaft 21.
The length direction of the first guide rail 43 is parallel to the central axis of the driving shaft 21, when the piston rod of the driving air cylinder 42 extends and contracts to drive the mounting plate 41 to slide along the first guide rail 43, the first driving gear 22/the second driving gear 23 can be meshed with or separated from the corresponding driven gear 27, so that the two clamping mechanisms 3 of the combined clamping device can simultaneously clamp or release a workpiece; or, the clamping mechanism 3 is switched to a single clamping mechanism for independent clamping to meet the machining requirement.
Furthermore, a second guide rail 51 is arranged on one side of the spacer 5 close to the support plate 25, and a second slide block 29 in sliding fit with the second guide rail 51 is arranged on the support plate 25. The spacing block 5 is arranged on the base 1 through a bracket, and the length direction of the second guide rail 51 is parallel to the central axis of the screw rod 24.
Furthermore, the device also comprises a supporting table 6 for installing the clamping mechanism 3, wherein the supporting table 6 is fixed on the base 1; the clamping mechanism 3 comprises a transmission piece 31, a clamping part 32 and two connecting rods 33, wherein one ends of the two connecting rods 33 are respectively hinged with the clamping part 32, and the other ends of the two connecting rods 33 are respectively hinged with the transmission piece 31; the transmission member 31 is rotatably mounted on the support platform 6, the support plate 25 drives the transmission member 31 to rotate on the support platform 6, and the two connecting rods 33 pull the clamping portions 32 to be engaged or opened.
The transmission member 31 comprises a supporting rod 311, and an upper driving rod 312 and a lower driving rod 313 which are respectively fixed at the top of the supporting rod 311 and the bottom of the supporting rod 311; the supporting rod 311 is rotatably connected to the supporting platform 6, and the two connecting rods 33 are respectively hinged to two ends of the upper driving rod 312; the supporting plate 25 is provided with a sliding groove 251 perpendicular to the length direction of the screw rod 24, a pin shaft 314 is slidably fitted in the sliding groove 251, and the pin shaft 314 is mounted on the lower driving rod 313.
When the screw rod 24 rotates to drive the support plate 25 to move, since the pin 314 of the lower driving rod 313 is slidably fitted in the sliding groove 251, the moving support plate 25 will pull the lower driving rod 313, thereby driving the supporting rod 311 to rotate on the supporting platform 6. The upper driving rod 312 will also rotate along with the supporting rod 311, and drive the two connecting rods 33 to pull the clamping portion 32 to engage or open, thereby clamping or releasing the workpiece.
Wherein, the clamping parts 32 of the two clamping mechanisms 3 are oppositely arranged, the clamping part 32 comprises two clamping jaws 321, the two clamping jaws 321 are hinged on the supporting platform 6, and two ends of each connecting rod 33 are respectively hinged with one of the clamping jaws 321 and the upper driving rod 312.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (8)
1. The utility model provides a changeable combination clamping device, is including installing centre gripping actuating mechanism and fixture on the base, centre gripping actuating mechanism respectively with two the fixture transmission is connected its characterized in that:
the clamping mechanism comprises a clamping driving assembly and two transmission assemblies, the two transmission assemblies are arranged on two sides of the clamping driving assembly, each transmission assembly is connected with one clamping mechanism, and the clamping driving assembly is arranged on the switching driving mechanism;
the clamping driving assembly comprises a driving shaft, a first driving gear and a second driving gear, wherein the first driving gear and the second driving gear penetrate through the driving shaft; the switching driving mechanism is used for driving the first driving gear and the second driving gear to be meshed with or separated from the corresponding transmission assembly.
2. The switchable combination clamp of claim 1, wherein:
the transmission assembly comprises a screw rod and a support plate, a nut is in threaded fit with the screw rod, and the support plate is arranged on the nut; the screw rod is arranged on the base and is arranged in parallel with the driving shaft; the screw rod is provided with driven gears, and each driven gear can be meshed with the first driving gear or the second driving gear; one driven gear is meshed with the first driving gear, and the other driven gear is meshed with the second driving gear; a spacer block is arranged between the two supporting plates, and the two supporting plates are respectively in sliding fit with the spacer block and can slide along the length direction of the screw rod.
3. The switchable combination clamp of claim 2, wherein:
the clamping driving assembly comprises a driving motor, and the driving motor is connected with the driving shaft; the first driving gear and the second driving gear are arranged at intervals, the distance between the first driving gear and the second driving gear is marked as L, and the distance L is larger than the thickness of the driven gear.
4. The switchable combination clamp of claim 3, wherein:
the switching driving mechanism comprises a mounting plate and a driving cylinder, and the clamping driving assembly is arranged on the mounting plate; a first guide rail is arranged on the base, and a first sliding block in sliding fit with the first guide rail is arranged on the mounting plate; the driving cylinder is connected with the mounting plate and used for driving the mounting plate to move along the length direction of the driving shaft.
5. The switchable combination clamp of claim 2 or 3 or 4, wherein:
and a second guide rail is arranged on one side of the spacer block close to the supporting plate, and a second sliding block in sliding fit with the second guide rail is arranged on the supporting plate.
6. The switchable combination clamp of claim 4, wherein:
the clamping mechanism is arranged on the base, and the clamping mechanism is arranged on the base; the clamping mechanism comprises a transmission part, a clamping part and two connecting rods, one ends of the two connecting rods are respectively hinged with the clamping part, and the other ends of the two connecting rods are respectively hinged with the transmission part; the driving medium rotates and installs on a supporting bench, and the backup pad drive driving medium rotates on a supporting bench, and two connecting rods pull clamping part interlock or open.
7. The switchable combination clamp of claim 6, wherein:
the transmission part comprises a supporting rod, an upper driving rod and a lower driving rod, wherein the upper driving rod is fixed at the top of the supporting rod, and the lower driving rod is fixed at the bottom of the supporting rod; the supporting rod is rotatably connected to the supporting platform, and the two connecting rods are respectively hinged to two ends of the upper driving rod;
the supporting plate is provided with a sliding groove perpendicular to the length direction of the screw rod, a pin shaft is matched in the sliding groove in a sliding mode, and the pin shaft is installed on the lower driving rod.
8. The switchable combination clamp of claim 7, wherein:
two fixture's clamping part sets up relatively, and clamping part includes two clamping jaws, two the clamping jaw articulates on the brace table, and the both ends of every connecting rod are articulated with one of them clamping jaw and upper drive pole respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922488435.6U CN211680735U (en) | 2019-12-31 | 2019-12-31 | Switchable combined clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922488435.6U CN211680735U (en) | 2019-12-31 | 2019-12-31 | Switchable combined clamping device |
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| Publication Number | Publication Date |
|---|---|
| CN211680735U true CN211680735U (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922488435.6U Active CN211680735U (en) | 2019-12-31 | 2019-12-31 | Switchable combined clamping device |
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| CN (1) | CN211680735U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112338836A (en) * | 2020-12-06 | 2021-02-09 | 苏州莱图精密机械有限公司 | A seat keel fixing device |
| CN113681586A (en) * | 2021-09-28 | 2021-11-23 | 江苏电子信息职业学院 | Based on industrial robot anchor clamps of intelligent manufacturing |
| CN114472675A (en) * | 2022-03-01 | 2022-05-13 | 常州市先登机械制造有限公司 | Automatic production device and method for covering edges of refrigeration house plates |
| CN114792895A (en) * | 2022-05-17 | 2022-07-26 | 中国南方电网有限责任公司超高压输电公司南宁局 | Grounding wire device |
| CN116221499A (en) * | 2023-03-28 | 2023-06-06 | 海南永顺建设工程有限公司 | A standpipe installation device for a water supply pipe network |
| CN119609256A (en) * | 2024-12-30 | 2025-03-14 | 中铁一局集团有限公司 | Steel bar clamping device and clamping method |
-
2019
- 2019-12-31 CN CN201922488435.6U patent/CN211680735U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112338836A (en) * | 2020-12-06 | 2021-02-09 | 苏州莱图精密机械有限公司 | A seat keel fixing device |
| CN112338836B (en) * | 2020-12-06 | 2025-10-03 | 苏州莱图精密机械有限公司 | Seat keel fixing device |
| CN113681586A (en) * | 2021-09-28 | 2021-11-23 | 江苏电子信息职业学院 | Based on industrial robot anchor clamps of intelligent manufacturing |
| CN114472675A (en) * | 2022-03-01 | 2022-05-13 | 常州市先登机械制造有限公司 | Automatic production device and method for covering edges of refrigeration house plates |
| CN114792895A (en) * | 2022-05-17 | 2022-07-26 | 中国南方电网有限责任公司超高压输电公司南宁局 | Grounding wire device |
| CN114792895B (en) * | 2022-05-17 | 2024-05-28 | 中国南方电网有限责任公司超高压输电公司南宁局 | Grounding wire device |
| CN116221499A (en) * | 2023-03-28 | 2023-06-06 | 海南永顺建设工程有限公司 | A standpipe installation device for a water supply pipe network |
| CN116221499B (en) * | 2023-03-28 | 2025-07-25 | 海南永顺建设工程有限公司 | Riser installation device of water supply network |
| CN119609256A (en) * | 2024-12-30 | 2025-03-14 | 中铁一局集团有限公司 | Steel bar clamping device and clamping method |
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