CN211680732U - Clamping device with variable positions - Google Patents

Clamping device with variable positions Download PDF

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Publication number
CN211680732U
CN211680732U CN201922452323.5U CN201922452323U CN211680732U CN 211680732 U CN211680732 U CN 211680732U CN 201922452323 U CN201922452323 U CN 201922452323U CN 211680732 U CN211680732 U CN 211680732U
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Prior art keywords
clamping
clamping plate
gear
movable
fixed
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CN201922452323.5U
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Chinese (zh)
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牟平
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Chongqing Langwei Electromechanical Technology Co ltd
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Chongqing Langwei Electromechanical Technology Co ltd
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Abstract

The utility model relates to the field of automobile manufacturing equipment, in particular to a clamping device capable of changing positions, which comprises a base, a rotary driving mechanism, a supporting platform and a clamping mechanism, wherein the supporting platform and the rotary driving mechanism are arranged on the base; the clamping mechanism comprises a bracket, and a fixed clamping plate, a movable clamping plate and a clamping driving assembly which are arranged on the bracket; the clamping driving assembly is used for driving the movable clamping plate to move towards or away from the fixed clamping plate so as to clamp or loosen the workpiece. This clamping device can press from both sides tight location to the work piece of multiple specification and dimension to, can carry out the rotation of certain angle to the position of work piece and change, thereby be convenient for process the work piece on the clamping mechanism, when reducing manual operation and auxiliary assembly and dropping into, can promote production efficiency.

Description

Clamping device with variable positions
Technical Field
The utility model relates to an automobile manufacturing equipment field, concretely relates to clamping device of variable position.
Background
In recent years, with the development of technology, the industrial automation level has advanced greatly, the streamlined and automated operation of industrial production becomes a new planning trend of modern production, and the modern production mode of digital factories is also on schedule. The processing of automobile body spare part needs location, clamp tightly, simultaneously, automobile body spare part also needs the rotation in the course of working. The existing positioner can only be applied to machining of parts with single size, and welding and overturning of parts with various specifications and sizes cannot be considered simultaneously, so that the universality of the positioner is to be improved.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to overcome the drawbacks of the prior art and to provide a clamping device with a changeable position.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a clamping device capable of changing positions comprises a base, a rotary driving mechanism, a supporting platform and a clamping mechanism, wherein the supporting platform and the rotary driving mechanism are arranged on the base;
the clamping mechanism comprises a bracket, and a fixed clamping plate, a movable clamping plate and a clamping driving assembly which are arranged on the bracket, wherein a clamping station is formed between the fixed clamping plate and the movable clamping plate; the clamping driving assembly is used for driving the movable clamping plate to move towards or away from the fixed clamping plate so as to clamp or loosen the workpiece.
Furthermore, the clamping driving assembly comprises a clamping driving motor, a steering coupling assembly and two transmission assemblies, the movable clamping plate is arranged on the two transmission assemblies, and the steering coupling assembly is arranged on the fixed clamping plate; the two transmission assemblies are respectively in transmission connection with the steering coupling assembly, and the clamping driving motor is in transmission connection with one of the transmission assemblies.
Further, the transmission assembly comprises a screw rod, a screw rod nut, a sliding seat, a sliding rail and a sliding block, wherein the screw rod and the sliding rail are both arranged on the bracket, the screw rod nut and the sliding block are both arranged on the sliding seat, and the sliding seat is arranged on the movable clamping plate; the screw rod nut is in threaded fit with the screw rods, the sliding block is in sliding fit with the sliding rail, and the output shaft of the clamping driving motor is in transmission connection with one of the screw rods.
Furthermore, two ends of each lead screw are connected with a lead screw bearing seat, and the lead screw bearing seats are fixed on the bracket; an output shaft of the clamping driving motor is connected with a screw rod bearing seat on the corresponding side.
Further, the two sliding seats are symmetrically arranged on the movable clamping plate.
Furthermore, the steering coupling assembly is arranged on one side, away from the movable clamping plate, of the fixed clamping plate and comprises a universal joint coupler and two gear commutators; two ends of the universal joint coupler are respectively in transmission connection with output shafts of the two gear commutators, and an input shaft of each gear commutators penetrates through the fixed clamping plate and then is in transmission connection with a screw rod bearing seat on the corresponding side.
Furthermore, the gear commutator comprises a shell, and a first helical gear and a second helical gear which are arranged in the shell, wherein the first helical gear is arranged on an input shaft of the gear commutator in a penetrating manner, the second helical gear is arranged on an output shaft of the gear commutator in a penetrating manner, and the first helical gear is meshed with the second helical gear.
Furthermore, a plurality of positioning fixtures used for positioning the workpiece are arranged on the clamping surfaces of the movable clamping plate and the fixed clamping plate, which are opposite to each other.
The utility model has the advantages that: the utility model discloses a clamping device of variable position, rotary driving mechanism are connected with supporting platform, and clamping mechanism installs on supporting platform, thereby rotary driving mechanism changes the position by the centre gripping work piece through driving clamping mechanism rotation. When a workpiece is clamped, the clamping driving motor drives one screw rod to rotate, and the other screw rod is driven to rotate by the screw rod through the steering coupling assembly. Through the screw-rod and screw-nut screw-thread fit and the sliding fit of the sliding rail and the sliding block, the clamping driving motor drives the movable clamping plate to move close to or away from the fixed clamping plate, so that the workpiece is clamped or loosened. This clamping device can press from both sides tight location to the work piece of multiple specification and dimension to, can carry out the rotation of certain angle to the position of work piece and change, thereby be convenient for process the work piece on the clamping mechanism, when reducing manual operation and auxiliary assembly and dropping into, can promote production efficiency.
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 variable-position clamping device according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a side view of the displaceable clamping means.
Reference numerals:
1-base, 2-rotary driving mechanism, 3-supporting platform, 4-clamping mechanism, 41-bracket, 42-fixed clamping plate, 43-movable clamping plate, 44-clamping driving motor, 45-steering coupling component, 451-universal joint coupler, 452-gear commutator, 46-transmission component, 461-lead screw, 462-lead screw nut, 463-sliding seat, 464-sliding rail, 465-sliding block, 5-supporting bearing seat, 6-lead screw bearing seat and 7-positioning clamp.
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, in order to provide the clamping device of the present invention, specifically, the clamping device includes a base 1, a rotary driving mechanism 2, a supporting platform 3 and a clamping mechanism 4, wherein the supporting platform 3 and the rotary driving mechanism 2 are both disposed on the base 1, the clamping mechanism 4 is mounted on the supporting platform 3, and the rotary driving mechanism 2 is used for driving the supporting platform 3 to rotate on the base 1;
the clamping mechanism 4 comprises a bracket 41, a fixed clamping plate 42, a movable clamping plate 43 and a clamping driving assembly, wherein the fixed clamping plate 42, the movable clamping plate 43 and the clamping driving assembly are arranged on the bracket 41, and a clamping station is formed between the fixed clamping plate 42 and the movable clamping plate 43; the clamping driving assembly is used for driving the movable clamping plate 43 to move towards or away from the fixed clamping plate 42 so as to clamp or release a workpiece.
In this embodiment, the clamping device includes four parts, namely a base 1, a rotary driving mechanism 2, a supporting platform 3 and a clamping mechanism 4, wherein the rotary driving mechanism 2 is rotatably connected with the supporting platform 3, the clamping mechanism 4 is installed on the supporting platform 3, and the rotary driving mechanism 2 drives the supporting platform 3 to rotate, so that the clamping mechanism 4 changes the position of a clamped workpiece along with the rotation.
Specifically, the base 1 includes two opposite stands, and the support platform 3 is rotatably disposed between the two stands. The rotary driving mechanism 2 is arranged on one of the vertical frames, the rotary driving mechanism 2 is a bevel gear worm and gear speed reducer, and has the advantages of high strength, low noise, modularization, large transmission torque and stable starting. Furthermore, two supporting bearing seats 5 are symmetrically arranged on each vertical frame, and the supporting platform 3 is respectively and rotatably connected with the two supporting bearing seats 5. And the output shaft of the bevel gear worm gear speed reducer is connected with the supporting bearing seat 5 on the same side, so that the supporting platform 3 can rotate between the two vertical frames under the driving of the rotary driving mechanism 2.
Further, the clamping mechanism 4 is disposed on the supporting platform 3, the clamping mechanism 4 includes four parts, namely a bracket 41, a fixed clamping plate 42, a movable clamping plate 43 and a clamping driving assembly, wherein the bracket 41 is mounted on the supporting platform 3, the fixed clamping plate 42 is fixed on the bracket 41, the movable clamping plate 43 is slidably fitted on the bracket 41, a clamping station is formed between the fixed clamping plate 42 and the movable clamping plate 43, and the clamping driving assembly is used for driving the movable clamping plate 43 to move towards or away from the fixed clamping plate 42 so as to clamp or loosen the workpiece. When clamping a workpiece, the clamping driving assembly drives the movable clamping plate 43 to move, so that the distance between the movable clamping plate 43 and the fixed clamping plate 42 is changed, and therefore, the clamping device can clamp and position workpieces with various specifications and dimensions. And, under the drive of rotary driving mechanism 2, supporting platform 3 can rotate on base 1, therefore can carry out the rotation of certain angle to the position of being centre gripping work piece and adjust to be convenient for carry out the processing of a plurality of angular position to the work piece, when reducing artifical hoist and mount operating time and auxiliary assembly input, also can promote production efficiency.
Specifically, the clamping driving assembly comprises a clamping driving motor 44, a steering coupling assembly 45 and two transmission assemblies 46, the movable clamping plate 43 is mounted on the two transmission assemblies 46, and the steering coupling assembly 45 is mounted on the fixed clamping plate 42; the two transmission assemblies 46 are respectively in transmission connection with the steering coupling assembly 45, and the clamping driving motor 44 is in transmission connection with one of the transmission assemblies 46.
The power between the two transmission assemblies 46 is transmitted through the steering coupling assembly 45, and the two transmission assemblies 46 synchronously drive the movable clamp plate 43 to move towards or away from the fixed clamp plate 42 on the bracket 41 under the driving of the clamping driving motor 44 so as to clamp or release the workpiece.
Further, referring to fig. 2, the transmission assembly 46 includes a lead screw 461, a lead screw nut 462, a sliding seat 463, a sliding rail 464 and a sliding block 465, wherein the lead screw 461 and the sliding rail 464 are both mounted on the bracket 41, the lead screw nut 462 and the sliding block 465 are both mounted on the sliding seat 463, and the sliding seat 463 is mounted on the movable clamp plate 43; the lead screw nut 462 is in threaded fit with the lead screw 461, the slider 465 is in sliding fit with the sliding rail 464, and the output shaft of the clamping driving motor 44 is in transmission connection with one lead screw 461.
When clamping or unclamping a workpiece, the clamping driving motor 44 drives the screw rod 461 on the corresponding side to rotate, and the power of the screw rod 461 is transmitted to the other screw rod 461 through the steering coupling assembly 45. Each lead screw 461 is in threaded fit with a corresponding lead screw nut 462 on the movable clamp plate 43, and the slider 465 is in sliding fit with the slide rail 464 for guiding, so that the movable clamp plate 43 is driven by the two slide seats 463 to move towards or away from the fixed clamp plate 42 along the two slide rails 464.
Furthermore, two ends of each lead screw 461 are connected with lead screw bearing seats 7, and the lead screw bearing seats 7 are fixed on the bracket 41; an output shaft of the clamp driving motor 44 is connected to the screw shaft bearing 7 on the corresponding side. Each lead screw 461 is mounted on the bracket 41 by two lead screw bearing blocks 7, and the lead screw nut 462 and the movable clamp plate 43 are located between the two lead screw bearing blocks 7. The output shaft of the clamping drive motor 44 is rotatably connected to the lead screw 461 via a corresponding lead screw bearing 7, and the steering coupling assembly 45 is rotatably connected to the end of the lead screw 461 remote from the clamping drive motor 44 via another lead screw bearing 7.
In order to ensure the stability of the movable clamp plate 43 and the fixed clamp plate 42 when clamping a workpiece, two sliders 463 are symmetrically arranged on the movable clamp plate 43.
Specifically, a steering coupling assembly 45 is mounted on a side of the fixed clamp plate 42 facing away from the movable clamp plate 43, the steering coupling assembly 45 including a universal joint coupling 451 and two gear commutators 452; two ends of the universal joint coupling 451 are respectively in transmission connection with output shafts of the two gear commutators 452, and an input shaft of each gear commutator 452 penetrates through the fixed clamp plate 42 and then is in transmission connection with the screw shaft bearing base 7 on the corresponding side.
Further, the gear commutator 452 comprises a housing, and a first helical gear and a second helical gear installed in the housing, the first helical gear is disposed on the input shaft of the gear commutator 452, the second helical gear is disposed on the output shaft of the gear commutator 452, and the first helical gear and the second helical gear are engaged.
In order to facilitate the pre-positioning of the workpiece, a plurality of positioning clamps 7 are mounted on the clamping surfaces of the movable clamping plate 43 opposite to the fixed clamping plate 42.
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. A clamping device capable of changing positions, which is characterized in that: the clamping mechanism is arranged on the supporting platform, and the rotary driving mechanism is used for driving the supporting platform to rotate on the base;
the clamping mechanism comprises a bracket, and a fixed clamping plate, a movable clamping plate and a clamping driving assembly which are arranged on the bracket, wherein a clamping station is formed between the fixed clamping plate and the movable clamping plate; the clamping driving assembly is used for driving the movable clamping plate to move towards or away from the fixed clamping plate so as to clamp or loosen the workpiece.
2. The variable position clamping device of claim 1, wherein: the clamping driving assembly comprises a clamping driving motor, a steering coupling assembly and two transmission assemblies, the movable clamping plate is arranged on the two transmission assemblies, and the steering coupling assembly is arranged on the fixed clamping plate; the two transmission assemblies are respectively in transmission connection with the steering coupling assembly, and the clamping driving motor is in transmission connection with one of the transmission assemblies.
3. The repositionable clamping device of claim 2, wherein: the transmission assembly comprises a screw rod, a screw rod nut, a sliding seat, a sliding rail and a sliding block, the screw rod and the sliding rail are both arranged on the bracket, the screw rod nut and the sliding block are both arranged on the sliding seat, and the sliding seat is arranged on the movable clamping plate; the screw rod nut is in threaded fit with the screw rods, the sliding block is in sliding fit with the sliding rail, and the output shaft of the clamping driving motor is in transmission connection with one of the screw rods.
4. The variable clamping device according to claim 3, wherein: two ends of each lead screw are connected with lead screw shaft bearings which are fixed on a bracket; an output shaft of the clamping driving motor is connected with a screw rod bearing seat on the corresponding side.
5. The variable clamping device according to claim 4, wherein: the two sliding seats are symmetrically arranged on the movable clamping plate.
6. The displaceable clamping device according to claim 4 or 5, characterised in that: the steering coupling assembly is arranged on one side, away from the movable clamping plate, of the fixed clamping plate and comprises a universal joint coupler and two gear commutators; two ends of the universal joint coupler are respectively in transmission connection with output shafts of the two gear commutators, and an input shaft of each gear commutators penetrates through the fixed clamping plate and then is in transmission connection with a screw rod bearing seat on the corresponding side.
7. The variable position clamping device of claim 6, wherein: the gear commutator comprises a shell, a first helical gear and a second helical gear, wherein the first helical gear and the second helical gear are installed in the shell, the first helical gear is arranged on an input shaft of the gear commutator in a penetrating mode, the second helical gear is arranged on an output shaft of the gear commutator in a penetrating mode, and the first helical gear is meshed with the second helical gear.
8. The variable position clamping device of claim 1, wherein: and a plurality of positioning clamps for positioning the workpiece are arranged on the clamping surfaces of the movable clamping plate and the fixed clamping plate which are opposite.
CN201922452323.5U 2019-12-30 2019-12-30 Clamping device with variable positions Active CN211680732U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922452323.5U CN211680732U (en) 2019-12-30 2019-12-30 Clamping device with variable positions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922452323.5U CN211680732U (en) 2019-12-30 2019-12-30 Clamping device with variable positions

Publications (1)

Publication Number Publication Date
CN211680732U true CN211680732U (en) 2020-10-16

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ID=72797066

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922452323.5U Active CN211680732U (en) 2019-12-30 2019-12-30 Clamping device with variable positions

Country Status (1)

Country Link
CN (1) CN211680732U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113928722A (en) * 2021-11-18 2022-01-14 连云港神舟新能源有限公司 Fixing auxiliary assembly and method for photovoltaic assembly frame

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113928722A (en) * 2021-11-18 2022-01-14 连云港神舟新能源有限公司 Fixing auxiliary assembly and method for photovoltaic assembly frame

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