CN216576798U - Quick workpiece clamping device - Google Patents
Quick workpiece clamping device Download PDFInfo
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- CN216576798U CN216576798U CN202123152245.0U CN202123152245U CN216576798U CN 216576798 U CN216576798 U CN 216576798U CN 202123152245 U CN202123152245 U CN 202123152245U CN 216576798 U CN216576798 U CN 216576798U
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Abstract
The utility model relates to the technical field of workpiece clamps, and provides a workpiece rapid clamping device which comprises a base, a first rod, a second rod and a pressing plate, wherein the first rod is arranged on the base in an adjustable length mode, the second rod is arranged on the base in an adjustable length mode, one end of the pressing plate is hinged to the first rod and is provided with a strip-shaped hole, the second rod penetrates through the strip-shaped hole, the other end of the pressing plate is used for clamping a workpiece, and the adjusting rod is arranged on the second rod in a swinging mode and is used for adjusting the position of the pressing plate. Through the technical scheme, the problems that in workpieces produced in small batches in the prior art, the pretightening force of a plurality of workpieces cannot be consistent in size in a manual operation mode, and meanwhile, the manual production efficiency is low are solved.
Description
Technical Field
The utility model relates to the technical field of workpiece clamps, in particular to a rapid workpiece clamping device.
Background
In the current industrial product production, workpieces produced in large scale are clamped by hydraulic pressure or air pressure mostly, in small scale or single piece production, the workpieces are clamped by pressing plates, screws, nuts and other elements manually, the efficiency is low through manual operation, and the pretightening force of the workpieces is different due to different individual operation methods. Meanwhile, the labor cost is increased, so that a novel clamping device is needed in the small-batch production of workpieces, and the defects existing in the prior art through manual operation are overcome.
SUMMERY OF THE UTILITY MODEL
The utility model provides a quick workpiece clamping device, which solves the problems that in the prior art, the pretightening force of a plurality of workpieces cannot be ensured to be consistent in size by adopting a manual operation mode in workpieces produced in small batches, and the manual production efficiency is low.
The technical scheme of the utility model is as follows:
a quick clamping device for workpieces comprises a clamping device,
a base seat is arranged on the base seat,
a first rod, the length of which is adjustable and is arranged on the base,
a second rod, the length of which is adjustable and is arranged on the base,
one end of the pressing plate is hinged with the first rod and is provided with a strip-shaped hole, the second rod penetrates through the strip-shaped hole, the other end of the pressing plate is used for clamping a workpiece,
and the adjusting rod is arranged on the second rod in a swinging mode and used for adjusting the position of the pressing plate.
As a further technical solution, the adjusting lever comprises,
an adjusting end which is a cam and is eccentrically hinged on the second rod,
the connecting rod is arranged on the adjusting end and used for driving the adjusting end to swing.
As a further technical scheme, the disc spring is positioned between the adjusting rod and the pressure plate.
As a further technical solution, the base has a first threaded hole, the first rod includes,
the first connecting rod is arranged on the base, one end of the first connecting rod is in threaded fit with the first threaded hole,
one end of the second connecting rod is hinged with the pressure plate, the other end of the second connecting rod is in threaded fit with the other end of the first connecting rod,
the thread directions of the two ends of the first connecting rod are opposite.
As a further technical solution, the base has a second threaded hole, the second rod includes,
a third connecting rod arranged on the base, wherein one end of the third connecting rod is in threaded fit with the second threaded hole,
one end of the fourth connecting rod is rotatably arranged on the third connecting rod, and the adjusting rod is hinged with the other end of the fourth connecting rod.
As a further technical solution, the third connecting rod has a protrusion, the protrusion has an annular groove, the fourth connecting rod has a groove, the groove has a side hole, the protrusion is located in the groove, and the third connecting rod further comprises,
a retaining member disposed on the groove and in threaded engagement with the side opening, the retaining member being adapted to be inserted into the annular groove to lock the projection,
and the spring is sleeved on the fourth connecting rod, and two action ends of the spring respectively act on the fourth connecting rod and the pressing plate and are used for providing force for the pressing plate to keep away from the workpiece.
As a further technical scheme, the positioning block is arranged on the base and used for placing a workpiece.
The working principle and the beneficial effects of the utility model are as follows:
in the current industrial product production, workpieces produced in large scale are clamped by hydraulic pressure or air pressure mostly, in small scale or single piece production, the workpieces are clamped by pressing plates, screws, nuts and other elements manually, the efficiency is low through manual operation, and the pre-tightening force to the workpieces is different due to different personal operation methods. In this embodiment, the clamping device for small batch of workpieces is specially provided, which comprises a base, a first rod, a second rod, a pressing plate and an adjusting rod, wherein the base plays a supporting role, the first rod is slidably arranged on the base, the pressing plate is supported and the height of the pressing plate is adjusted at the same time, the second rod is slidably arranged on the base, the pressing plate also plays a role in supporting and adjusting the height of the pressing plate, one end of the pressing plate is hinged to the first rod and penetrates through a strip-shaped hole of the second rod, the other end of the pressing plate is overlapped on the workpiece, the workpiece is compressed, the adjusting rod is swingably arranged on the second rod, the pressing degree of the pressing plate is adjusted through swinging, a driving effect is played for the pressing of the pressing plate, and the pressing force of the pressing plate on a plurality of workpieces is kept consistent through adjusting the pressing degree of the adjusting rod for fixing the pressing plate. Through above-mentioned structure can realize solving and adopt manual operation inefficiency among the prior art to the inconsistent problem of pretightning force to a plurality of work pieces.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a schematic view of the structure at A in FIG. 3 according to the present invention;
in the figure: 1. the base, 2, first pole, 3, the second pole, 4, clamp plate, 5, bar hole, 6, regulation pole, 7, regulation end, 8, connecting rod, 9, dish spring, 10, first screw hole, 11, first connecting rod, 12, the second connecting rod, 13, second screw hole, 14, the third connecting rod, 15, the fourth connecting rod, 16, the arch, 17, the ring channel, 18, recess, 19, the side opening, 20, the retaining member, 21, the spring, 22, the locating piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.
As shown in fig. 1 to 4, the present embodiment provides a workpiece rapid clamping device, which comprises,
the base plate (1) is provided with a base,
a first rod 2, the length of the first rod 2 is adjustable and is arranged on the base 1,
a second rod 3, the length of the second rod 3 is adjustable and is arranged on the base 1,
a pressing plate 4, one end of the pressing plate 4 is hinged with the first rod 2 and is provided with a strip-shaped hole 5, the second rod 3 penetrates through the strip-shaped hole 5, the other end of the pressing plate 4 is used for clamping a workpiece,
and the adjusting rod 6 is arranged on the second rod 3 in a swinging mode and used for adjusting the position of the pressing plate 4.
In the current industrial product production, workpieces produced in large scale are clamped by hydraulic pressure or air pressure mostly, in small scale or single piece production, the workpieces are clamped by elements such as a pressure plate 4, a screw rod, a nut and the like manually, the efficiency is low through manual operation, and the pretightening force of the workpieces is different due to different individual operation methods. In the embodiment, a workpiece rapid clamping device is specially arranged for clamping small batches of workpieces, which comprises a base 1, a first rod 2, a second rod 3, a pressure plate 4 and an adjusting rod 6, wherein the base 1 plays a supporting role, the first rod 2 is arranged on the base 1 in a sliding way and plays a role in supporting the pressure plate 4 and adjusting the height of the pressure plate 4, the second rod 3 is arranged on the base 1 in a sliding way and also plays a role in supporting and adjusting the height of the pressure plate 4, one end of the pressure plate 4 is hinged on the first rod 2, and passes through the strip-shaped hole 5 of the second rod 3, the other end of the second rod is arranged on the workpiece in a lap joint mode to play a role in pressing the workpiece, wherein the adjusting rod 6 is arranged on the second rod 3 in a swinging way and plays a driving role for the pressing of the pressing plate 4 by swinging and adjusting the pressing degree of the pressing plate 4, wherein, the pressing force of the pressing plate 4 on a plurality of workpieces is kept consistent by adjusting the fixed pressing degree of the pressing plate 4 by the adjusting rod 6. Through above-mentioned structure can realize solving and adopt manual operation inefficiency among the prior art to the inconsistent problem of pretightning force to a plurality of work pieces. Meanwhile, the rapid clamping device in the scheme is compact in structure, convenient to use and easy to store and manage, the adjusting rod in the scheme can rotate along the axial direction of the second rod 3, when the rapid clamping device is located on some machine tool equipment, the swinging of the adjusting rod 6 can interfere with the equipment, so that the adjusting rod 6 can rotate along the axial direction of the second rod 3, the adaptability of the rapid clamping device is better, and the working performance is more reliable.
Further, the adjusting lever 6 includes, in a body,
an adjusting end 7, wherein the adjusting end 7 is a cam, and the adjusting end 7 is eccentrically hinged on the second rod 3,
and the connecting rod 8 is arranged on the adjusting end 7 and used for driving the adjusting end 7 to swing.
In order to realize adjusting the pretightning force of clamp plate 4 to the work piece in this embodiment, what adjusting lever 6 to set up specially includes adjusting end 7 and connecting rod 8, wherein adjust end 7 and be a cam, and eccentric hinge is on first pole 2, rotate the cam, can change the degree of compressing tightly to clamp plate 4 through the eccentric setting of cam, the setting of connecting rod 8 is in order to increase the length of the power arm of cam, make things convenient for operating personnel's operation, the extension of power arm length makes operating personnel more laborsaving when exerting the pretightning force for the work piece simultaneously, make things convenient for operating personnel's operation.
Further, a disc spring 9 is positioned between the adjusting lever 6 and the pressure plate 4.
In order to prevent stress concentration and damage of the pressure plate 4, in the embodiment, because the adjusting rod 6 needs to be rotated to enable the cam at the adjusting end 7 to contact with the pressure plate 4 to obtain pre-tightening force on the workpiece during normal operation, but the contact form of the cam and the pressure plate 4 belongs to line contact and is high-order contact, and the pressure plate 4 may be damaged due to such a contact form for a long time, the disc spring 9 is specially arranged, the disc spring 9 is positioned between the adjusting rod 6 and the pressure plate 4, when the adjusting rod 6 adjusts the pre-tightening force, the pressing force is applied to the disc spring 9, the disc spring 9 transmits the force to the pressure plate 4, hard contact between the adjusting rod 6 and the pressure plate 4 is avoided, meanwhile, the contact area between the disc spring 9 and the pressure plate 4 is larger than the contact area of the cam directly contacting with the pressure plate 4, and the stress concentration caused by the adjusting rod 6 on the pressure plate 4 is effectively reduced through the arrangement of the disc spring 9, simultaneously through dish spring 9 with power transmission for clamp plate 4, avoided adjusting the rigid contact between pole 6 and the clamp plate 4, the effectual stress point that increases clamp plate 4 reduces clamp plate 4 unit area's stress intensity, there is the different degree of compressing tightly to the work piece in this scheme simultaneously, adjust pole 6 and can realize the fixed of a plurality of angles on dish spring 9, through the change of adjusting the angle of 6 swings, come the adjustment to the pretightning force size of clamp plate 4.
Further, the base 1 has a first threaded hole 10, said first rod 2 comprises,
a first connecting rod 11, wherein the first connecting rod 11 is arranged on the base 1, one end of the first connecting rod 11 is in threaded fit with the first threaded hole 10,
one end of the second connecting rod 12 is hinged with the pressure plate 4, the other end of the second connecting rod 12 is in threaded fit with the other end of the first connecting rod 11,
the thread directions of the two ends of the first connecting rod 11 are opposite.
In order to realize the regulation of 2 length of first pole in this embodiment, be provided with first connecting rod 11 and second connecting rod 12 with first pole 2 specially, wherein still be provided with first screw hole 10 on the base 1, wherein first connecting rod 11 both ends all are provided with the screw thread, and be connected with base 1 and second connecting rod 12 respectively through the screw thread at both ends, clamp plate 4 articulates on second connecting rod 12, wherein the screw thread of first connecting rod 11 both ends is revolved to opposite, just can realize rotating first connecting rod 11 and can adjust the distance between clamp plate 4 and the base 1, the screw thread revolves to opposite setting simultaneously, can realize the function of fast-moving, make work efficiency obtain promoting.
Further, the base 1 has a second threaded hole 13, said second rod 3 comprises,
a third connecting rod 14, wherein the third connecting rod 14 is arranged on the base 1, one end of the third connecting rod 14 is in threaded fit with the second threaded hole 13,
one end of the fourth connecting rod 15 is rotatably arranged on the third connecting rod 14, and the adjusting rod 6 is hinged with the other end of the fourth connecting rod 15.
In this embodiment, in order to realize the function of adjusting the length of the second rod 3, a second threaded hole 13 is specially formed in the base 1, a third connecting rod 14 and a fourth connecting rod 15 are further provided, wherein the third connecting rod 14 is arranged in the second threaded hole 13, and the third connecting rod 14 is in threaded fit with the base 1, so that the length of the second rod 3 can be adjusted, the fourth connecting rod 15 is further provided, the fourth connecting rod 15 is rotatably arranged on the third connecting rod 14, the adjusting rod 6 is hinged to the fourth connecting rod 15, and the third connecting rod 14 and the fourth connecting rod 15 are relatively rotatably arranged, so that when the height of the third connecting rod 14 is adjusted, the adjusting rod 6 on the fourth connecting rod 15 cannot be affected, and meanwhile, the function of adjusting the length can be realized.
Further, the third link 14 has a projection 16, the projection 16 has an annular groove 17, the fourth link 15 has a groove 18, the groove 18 has a side hole 19, the projection 16 is located in the groove 18, and further comprising,
a locker 20, the locker 20 being disposed on the groove 18 and screw-engaged with the side hole 19, the locker 20 being adapted to be inserted into the annular groove 17 to lock the protrusion 16,
and the spring 21 is sleeved on the fourth connecting rod 15, and two action ends of the spring 21 respectively act on the fourth connecting rod 15 and the pressing plate 4 and are used for providing a force for the pressing plate 4 to be far away from the workpiece.
In the embodiment, in order to fix the third connecting rod 14 and the fourth connecting rod 15, a protrusion 16 is specially arranged on the third connecting rod 14, the fourth connecting rod 15 is provided with a groove 18, wherein an annular groove 17 is also arranged on the protrusion 16, a side hole 19 is arranged on the protrusion 16, a locking member 20 passes through the side hole 19 and is inserted into the annular groove 17, and the annular groove 17 is pressed or loosened through the threaded connection between the locking member 20 and the side hole 19, when the locking member 20 presses the annular groove 17, the relative fixing between the third connecting rod 14 and the fourth connecting rod 15 can be realized, when the locking member 20 is loosened and is far away from the annular groove 17, the relative rotation between the third connecting rod 14 and the fourth connecting rod 15 can be realized, wherein the spring 21 is sleeved on the fourth connecting rod 15 and provides a force for the pressure plate 4 to be far away from the workpiece, so that when the workpiece does not need to be pressed or is not yet in place, the pressure plate 4 can be supported through the elastic force of the spring 21, the workpiece is ensured to have a larger space when entering the station, so that the workpiece can be conveniently placed.
Further, a positioning block 22 is disposed on the base 1, and the positioning block 22 is used for placing a workpiece.
In this embodiment, in order to realize that the workpiece has a fixed position on a workpiece rapid clamping device, a positioning block 22 is specially arranged, the positioning block 22 is arranged on the base 1 and has a clamping groove for positioning, and the workpiece can be rapidly positioned through the positioning block 22.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A workpiece rapid clamping device is characterized by comprising,
a base (1) is arranged on the base,
a first rod (2), the length of the first rod (2) is adjustable and is arranged on the base (1),
a second rod (3), the length of the second rod (3) is adjustable and is arranged on the base (1),
one end of the pressing plate (4) is hinged with the first rod (2), the pressing plate is provided with a strip-shaped hole (5), the second rod (3) penetrates through the strip-shaped hole (5), the other end of the pressing plate (4) is used for clamping a workpiece,
the adjusting rod (6) is arranged on the second rod (3) in a swinging mode and used for adjusting the position of the pressing plate (4).
2. The device for the rapid clamping of workpieces as claimed in claim 1, characterized in that the adjusting lever (6) comprises,
an adjusting end (7), wherein the adjusting end (7) is a cam, and the adjusting end (7) is eccentrically hinged on the second rod (3),
the connecting rod (8), the connecting rod (8) set up adjust on the end (7), be used for driving adjust the end (7) swing.
3. A device for rapidly clamping a workpiece as claimed in claim 1, characterized by further comprising a disc spring (9), wherein the disc spring (9) is positioned between the adjusting rod (6) and the pressure plate (4).
4. A device for the rapid clamping of workpieces, as in claim 1, characterized in that said base (1) has a first threaded hole (10), said first rod (2) comprising,
the first connecting rod (11), the first connecting rod (11) is arranged on the base (1), one end of the first connecting rod (11) is in threaded fit with the first threaded hole (10),
one end of the second connecting rod (12) is hinged with the pressure plate (4), the other end of the second connecting rod (12) is in threaded fit with the other end of the first connecting rod (11),
the thread directions of the two ends of the first connecting rod (11) are opposite.
5. A device for the rapid clamping of workpieces, as in claim 1, characterized in that said base (1) has a second threaded hole (13), said second rod (3) comprising,
a third connecting rod (14), wherein the third connecting rod (14) is arranged on the base (1), one end of the third connecting rod (14) is in threaded fit with the second threaded hole (13),
one end of the fourth connecting rod (15) is rotatably arranged on the third connecting rod (14), and the adjusting rod (6) is hinged to the other end of the fourth connecting rod (15).
6. A workpiece rapid clamping device according to claim 5, characterized in that the third connecting rod (14) has a projection (16), the projection (16) has an annular groove (17), the fourth connecting rod (15) has a groove (18), the groove (18) has a side hole (19), the projection (16) is located in the groove (18), and further comprising,
a retaining member (20), the retaining member (20) being disposed on the recess (18) and being screw-fitted with the side hole (19), the retaining member (20) being adapted to be inserted into the annular groove (17) to lock the projection (16),
the spring (21) is sleeved on the fourth connecting rod (15), and two acting ends of the spring (21) are respectively acted on the fourth connecting rod (15) and the pressing plate (4) and used for providing a force for keeping the pressing plate (4) away from the workpiece.
7. The quick workpiece clamping device according to claim 1, further comprising a positioning block (22), wherein the positioning block (22) is disposed on the base (1), and the positioning block (22) is used for placing a workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123152245.0U CN216576798U (en) | 2021-12-09 | 2021-12-09 | Quick workpiece clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123152245.0U CN216576798U (en) | 2021-12-09 | 2021-12-09 | Quick workpiece clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216576798U true CN216576798U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123152245.0U Active CN216576798U (en) | 2021-12-09 | 2021-12-09 | Quick workpiece clamping device |
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| Country | Link |
|---|---|
| CN (1) | CN216576798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114574363A (en) * | 2022-03-16 | 2022-06-03 | 天津理工大学 | Loading device for applying external force action field to collagen in vitro |
-
2021
- 2021-12-09 CN CN202123152245.0U patent/CN216576798U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114574363A (en) * | 2022-03-16 | 2022-06-03 | 天津理工大学 | Loading device for applying external force action field to collagen in vitro |
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