CN222447975U - A composite fixture for rolling disc-shaped workpieces - Google Patents
A composite fixture for rolling disc-shaped workpieces Download PDFInfo
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- CN222447975U CN222447975U CN202420259390.3U CN202420259390U CN222447975U CN 222447975 U CN222447975 U CN 222447975U CN 202420259390 U CN202420259390 U CN 202420259390U CN 222447975 U CN222447975 U CN 222447975U
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- China
- Prior art keywords
- negative pressure
- vacuum negative
- disc
- main body
- body seat
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- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 238000005096 rolling process Methods 0.000 title claims abstract description 11
- 238000009957 hemming Methods 0.000 claims description 12
- 238000001179 sorption measurement Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000011148 porous material Substances 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 235000015220 hamburgers Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a composite clamp for edge rolling of a disc-shaped workpiece, which comprises an inner bottom surface fixing mechanism for fixing the inner bottom surface of the disc-shaped workpiece and an inner side surface fixing mechanism for fixing the inner side surface of the disc-shaped workpiece, wherein the inner bottom surface fixing mechanism comprises an inner bottom surface vacuum negative pressure hole or/and an inner bottom surface vacuum negative pressure groove, the inner bottom surface vacuum negative pressure hole or the inner bottom surface vacuum negative pressure groove is communicated with a negative pressure device for providing negative pressure through a vacuum negative pressure channel, and the inner side surface fixing mechanism comprises an inner side surface top block and a top block driving mechanism for driving the inner side surface top block to be close to or far away from the inner side surface of the disc-shaped workpiece. The composite clamp optimizes the clamping mode, reduces the operation difficulty, improves the clamping and material changing efficiency, and accordingly improves the production capacity efficiency.
Description
Technical Field
The utility model relates to a clamp, in particular to a compound clamp for binding a disc-shaped workpiece.
Background
The existing stainless steel disc is characterized in that a shell is manufactured by forging and pressing sandwich steel plates with the total thickness of 2.4mm, wherein the sandwich steel plates are sandwich steel plates with stainless steel on two sides and aluminum alloy in the middle. The formed steel disc shell needs to be subjected to trimming processing, a T-shaped milling cutter is used for milling a central aluminum alloy part to a depth of 1mm, and then a large rolling rod is used for carrying out trimming rolling processing on the edge of the steel disc, so that the edge of the steel disc is closed and the processing of a round edge is combined. Because the force applied to the workpiece is very large in the edging process, the common clamping mode is difficult to support, and the condition of firmly clamping the workpiece is not achieved.
The clamping scheme used at present is a hamburger type tool mode, a workpiece is fixed from top to bottom, the clamping is performed by using a C-shaped clamping plate and a bolt for fixing, the tool difficulty is high, the feeding and discharging time is long, the single material changing time is 15 minutes, and the capacity and efficiency requirements at the present stage are difficult to meet.
Disclosure of utility model
The utility model aims to overcome the problems, and provides a compound clamp for binding a disc-shaped workpiece, which optimizes a clamping mode, reduces operation difficulty, improves clamping and material changing efficiency, and further improves production capacity efficiency.
The aim of the utility model is achieved by the following technical scheme:
A compound clamp for edge rolling of a disc-shaped workpiece comprises an inner bottom surface fixing mechanism for fixing the inner bottom surface of the disc-shaped workpiece and an inner side surface fixing mechanism for fixing the inner side surface of the disc-shaped workpiece;
The inner bottom surface fixing mechanism comprises an inner bottom surface vacuum negative pressure hole or/and an inner bottom surface vacuum negative pressure groove, and the inner bottom surface vacuum negative pressure hole or the inner bottom surface vacuum negative pressure groove is communicated with a negative pressure device for providing negative pressure through a vacuum negative pressure channel;
The inner side fixing mechanism comprises an inner side ejector block and an ejector block driving mechanism for driving the inner side ejector block to be close to or far away from the inner side of the disc-shaped workpiece.
The working principle of the composite clamp for the edge rolling of the disc-shaped workpiece is as follows:
When the clamp works, the disc-shaped workpiece is covered on the clamp in an inverted mode, at the moment, the inner bottom surface of the disc-shaped workpiece is attached to the upper portion of the inner bottom surface vacuum negative pressure hole, the inner side surface of the disc-shaped workpiece is attached to the side portion of the inner side surface jacking block, the inner side surface jacking block is driven to be close to the inner side surface of the disc-shaped workpiece through the jacking block driving mechanism, the side surface jacking block is enabled to prop against the inner side surface of the disc-shaped workpiece, negative pressure is provided through the negative pressure device, the inner bottom surface of the disc-shaped workpiece is adsorbed and fixed through the inner bottom surface vacuum negative pressure hole or/and the inner bottom surface vacuum negative pressure groove, and at the moment, the disc-shaped workpiece is subjected to double acting forces of vacuum suction and inner supporting pressure, and workpiece clamping stability and clamping force are guaranteed.
When clamping is required to be released, the inner side surface jacking block is driven to be far away from the inner side surface of the disc-shaped workpiece through the jacking block driving mechanism, and vacuum negative pressure suction is stopped, so that the operation is very simple and convenient, and the clamping efficiency is improved.
In a preferred embodiment of the present utility model, the inner side fixing mechanism further includes an inner side vacuum negative pressure hole or/and an inner side vacuum negative pressure groove, and the inner side vacuum negative pressure hole or the inner side vacuum negative pressure groove is communicated with a negative pressure device for providing negative pressure through a vacuum negative pressure channel.
Further, the inner side surface fixing mechanism further comprises a profiling main body seat, and the side surface of the profiling main body seat is provided with the inner side surface vacuum negative pressure hole or/and the inner side surface vacuum negative pressure groove.
Further, a top block accommodating groove for accommodating the top block on the inner side surface is formed in the side surface of the profiling main body seat.
Further, the profiling main body seat is of a profiling structure matched with the disc-shaped workpiece, and is of a rectangular structure or a circular structure.
Further, when the profiling main body seat is in a rectangular structure, the inner side surface vacuum negative pressure holes or/and the inner side surface vacuum negative pressure grooves are provided with two groups and are respectively arranged on two adjacent side surfaces of the profiling main body seat;
the ejector block storage grooves are provided with two groups and are respectively arranged on the other two adjacent side surfaces of the profiling main body seat.
Further, when the profiling main body seat is in a circular structure, at least two groups of inner side surface vacuum negative pressure holes or/and inner side surface vacuum negative pressure grooves are arranged, and the inner side surface vacuum negative pressure holes or/and the inner side surface vacuum negative pressure grooves are uniformly arranged on the side surface of the profiling main body seat along the circumferential direction by taking the axis of the profiling main body seat as the circle center;
The ejector block storage grooves are at least provided with two groups and are respectively positioned between two adjacent groups of inner side surface vacuum negative pressure holes or/and inner side surface vacuum negative pressure grooves.
In a preferred embodiment of the present utility model, the inner bottom surface fixing mechanism further includes an adsorption top plate, and the adsorption top plate is provided with the inner bottom surface vacuum negative pressure hole or/and the inner bottom surface vacuum negative pressure groove.
Further, the adsorption top plate and the profiling main body seat are provided with vacuum negative pressure pore channels which are communicated with each other;
The vacuum negative pressure pore canal of the adsorption top plate is communicated with the vacuum negative pressure groove on the inner bottom surface;
The vacuum negative pressure pore canal of the profiling main body seat is communicated with the inner side surface vacuum negative pressure groove.
The inner side surface fixing mechanism further comprises a wedge-shaped pushing block, and the profiling main body seat is provided with a wedge-shaped storage groove for storing the wedge-shaped pushing block;
The wedge-shaped pushing block is provided with a pushing part or a pushing groove which is obliquely arranged, the inner side surface pushing block is provided with a pushing groove matched with the pushing part or a pushing part matched with the pushing groove, the pushing groove is of a dovetail groove structure, and the moving direction of the wedge-shaped pushing block is perpendicular to the moving direction of the inner side surface pushing block. Through the structure, under the drive of the ejector pad driving mechanism, the wedge-shaped pushing block moves up and down relative to the profiling main body seat, so that the inner side surface ejector pad is driven to move transversely, and the inner side surface ejector pad is close to or far away from the inner side surface of the disc-shaped workpiece.
Further, the top block driving mechanism comprises a top block driving air cylinder, and a telescopic rod of the top block driving air cylinder is connected with the wedge-shaped pushing block.
Further, the inner side surface fixing mechanism further comprises a guide block, and a linear guide structure is arranged between the guide block and the wedge-shaped pushing block.
Compared with the prior art, the utility model has the following beneficial effects:
According to the composite clamp, the workpiece is clamped and fixed in a vacuum adsorption and mechanical internal support mode, so that the clamping stability and the clamping force of the workpiece are guaranteed, the operation difficulty can be reduced, the clamping and material changing efficiency is improved, and the production capacity efficiency is improved.
Drawings
Fig. 1 is a schematic perspective view of a composite clamp for binding a disc-shaped workpiece in accordance with the present utility model when clamping the workpiece.
Fig. 2 is a schematic perspective view of one embodiment of a composite clamp for hemming a disc-shaped workpiece according to the present utility model.
Fig. 3 is a schematic perspective view of one embodiment of the inner side fixing mechanism of the present utility model.
Fig. 4 is a cross-sectional view of one embodiment of the suction top plate and contoured body mount of the present utility model.
Fig. 5 is a schematic perspective view of one embodiment of the contoured body seat of the present utility model.
Fig. 6 is a schematic perspective view of one embodiment of the inner top block and top block driving mechanism of the present utility model.
Fig. 7 is a perspective exploded view of another embodiment of a composite clamp for hemming a disc-shaped workpiece of the present utility model.
Detailed Description
In order that those skilled in the art will well understand the technical solutions of the present utility model, the following describes the present utility model further with reference to examples and drawings, but the embodiments of the present utility model are not limited thereto.
Example 1
Referring to fig. 1-3, the composite clamp for edge rolling of a disc-shaped workpiece in this embodiment comprises an inner bottom surface fixing mechanism for fixing an inner bottom surface of the disc-shaped workpiece and an inner side surface fixing mechanism for fixing an inner side surface of the disc-shaped workpiece, wherein the inner bottom surface fixing mechanism comprises an adsorption top plate 1, an inner bottom surface vacuum negative pressure groove 1-1 (an inner bottom surface vacuum negative pressure hole can be adopted) is formed in the adsorption top plate 1, the inner bottom surface vacuum negative pressure groove 1-1 is communicated with a negative pressure device for providing negative pressure through a vacuum negative pressure channel, the inner side surface fixing mechanism comprises a profiling main body seat 2, an inner side surface top block 3 and a top block driving mechanism for driving the inner side surface top block 3 to be close to or far away from the inner side surface of the disc-shaped workpiece, and the inner side surface vacuum negative pressure groove 2-1 (the inner side surface vacuum negative pressure hole can also be adopted) is formed in the side surface of the profiling main body seat 2.
Referring to fig. 3-4, the adsorption top plate 1 and the profiling main body seat 2 are respectively provided with a vacuum negative pressure pore canal 4 which is mutually communicated, the vacuum negative pressure pore canal 4 of the adsorption top plate 1 is also communicated with the inner bottom surface vacuum negative pressure groove 1-1, and the vacuum negative pressure pore canal 4 of the profiling main body seat 2 is also communicated with the inner side surface vacuum negative pressure groove 2-1.
Referring to fig. 5, the side surface of the profile modeling main body seat 2 is provided with a top block receiving groove 2-2 for receiving the inner side surface top block 3.
Referring to fig. 5, the profiling main body seat 2 is of a profiling structure matched with a disc-shaped workpiece, the profiling main body seat 2 is of a rectangular structure, two groups of inner side surface vacuum negative pressure grooves 2-1 are respectively arranged on two adjacent side surfaces of the profiling main body seat 2, and two groups of top block accommodating grooves 2-2 are respectively arranged on the other two adjacent side surfaces of the profiling main body seat 2.
Referring to fig. 5-6, the inner side fixing mechanism further comprises a wedge-shaped pushing block 5, a wedge-shaped containing groove 2-3 for containing the wedge-shaped pushing block 5 is formed in the profiling main body seat 2, the wedge-shaped pushing block 5 is connected with the driving end of the top block driving mechanism, a pushing part (or pushing groove) which is obliquely arranged is formed in the wedge-shaped pushing block 5, a pushing groove (or pushing part which is matched with the pushing part) which is matched with the pushing part is formed in the inner side top block 3, the pushing groove is of a dovetail groove structure, and the moving direction of the wedge-shaped pushing block 5 is perpendicular to the moving direction of the inner side top block 3. Through the structure, under the drive of the ejector block driving mechanism, the wedge-shaped pushing block 5 moves up and down relative to the profiling main body seat 2, so that the inner side surface ejector block 3 is driven to move transversely, and the inner side surface ejector block 3 is close to or far away from the inner side surface of the disc-shaped workpiece.
Referring to fig. 6, the top block driving mechanism includes a top block driving cylinder 6, and a telescopic rod of the top block driving cylinder 6 is connected with the wedge-shaped push block 5.
Referring to fig. 6, the inner side fixing mechanism further includes a guide block 7, and a linear guide structure is disposed between the guide block 7 and the wedge-shaped pushing block 5.
Referring to fig. 1 to 6, the working principle of the composite clamp for hemming a disc-shaped workpiece of the present embodiment is as follows:
When the clamp works, a disc-shaped workpiece is covered on the clamp in an inverted mode, at the moment, the inner bottom surface of the disc-shaped workpiece is attached to the upper portion of the inner bottom surface vacuum negative pressure groove 1-1, the inner side surface of the disc-shaped workpiece is attached to the side portions of the inner side surface jacking block 3 and the inner side surface vacuum negative pressure groove 2-1, the inner side surface jacking block 3 is driven to be close to the inner side surface of the disc-shaped workpiece through the jacking block driving mechanism, the side surface jacking block is enabled to prop against the inner side surface of the disc-shaped workpiece, negative pressure is provided through the negative pressure device, the inner bottom surface of the disc-shaped workpiece is adsorbed and fixed through the inner bottom surface vacuum negative pressure groove 1-1, at the moment, the disc-shaped workpiece is subjected to double acting forces of vacuum suction and inner supporting pressure, and workpiece clamping stability and clamping force are guaranteed.
When clamping is required to be released, the inner side surface jacking block 3 is driven to be far away from the inner side surface of the disc-shaped workpiece through the jacking block driving mechanism, and vacuum negative pressure suction is stopped, so that the operation is very simple and convenient, and the clamping efficiency is improved.
Example 2
Referring to fig. 7, unlike embodiment 1, the profiling main body seat 2 of this embodiment has a circular structure, the inner side surface vacuum negative pressure grooves 2-1 are at least two groups and uniformly arranged on the side surface of the profiling main body seat 2 along the circumferential direction with the axis of the profiling main body seat 2 as the center, and the inner side surface top block 3 is at least two groups and is respectively located between two adjacent groups of inner side surface vacuum negative pressure grooves 2-1.
Example 3
Unlike the above embodiments, the contoured body seat may have other shapes, such as oval or polygonal.
The foregoing is illustrative of the present utility model, and is not to be construed as limiting thereof, but rather as various changes, modifications, substitutions, combinations, and simplifications which may be made without departing from the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420259390.3U CN222447975U (en) | 2024-02-02 | 2024-02-02 | A composite fixture for rolling disc-shaped workpieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420259390.3U CN222447975U (en) | 2024-02-02 | 2024-02-02 | A composite fixture for rolling disc-shaped workpieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222447975U true CN222447975U (en) | 2025-02-11 |
Family
ID=94456879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420259390.3U Active CN222447975U (en) | 2024-02-02 | 2024-02-02 | A composite fixture for rolling disc-shaped workpieces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222447975U (en) |
-
2024
- 2024-02-02 CN CN202420259390.3U patent/CN222447975U/en active Active
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