CN110640650A - Net piece anchor clamps - Google Patents
Net piece anchor clamps Download PDFInfo
- Publication number
- CN110640650A CN110640650A CN201910840422.2A CN201910840422A CN110640650A CN 110640650 A CN110640650 A CN 110640650A CN 201910840422 A CN201910840422 A CN 201910840422A CN 110640650 A CN110640650 A CN 110640650A
- Authority
- CN
- China
- Prior art keywords
- mesh
- thimble
- clamp
- sleeve
- modules
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
Abstract
The invention discloses a mesh clamp which comprises a support, ejector pin modules arranged on the left side and the right side of the support and a driving mechanism used for driving the ejector pin modules on the two sides to move in opposite directions or in reverse directions, wherein each ejector pin module comprises a mounting seat and a plurality of ejector pin assemblies arranged on the mounting seat, and the ejector pin assemblies are uniformly arranged along the length direction of the mounting seat; each thimble assembly comprises a sleeve arranged on the mounting seat, a thimble arranged in the sleeve and a buffer spring arranged between the sleeve and the thimble, wherein the buffer spring is arranged in the sleeve, one end of the buffer spring acts on the sleeve, and the other end of the buffer spring acts on the thimble. The mesh clamp can clamp the meshes with small and dense meshes (such as hardware meshes).
Description
Technical Field
The invention relates to a clamp, in particular to a mesh clamp.
Background
The hardware net sheet is a common part of hardware products, and has the advantages of small material loss and light weight due to the net structure. However, in the automatic production process, the hardware mesh has a certain difficulty in grabbing. For general sheet hardware, suction is performed by a suction disc and an electromagnet, but due to the net-shaped characteristic of a net sheet, the suction disc cannot suck, the electromagnet cannot generate enough magnetic flux due to the sparse net sheet material, the electromagnetic suction is small, and the electromagnetic suction is often insufficient (especially for a thin net sheet).
The existing clamp for clamping the net sheet comprises: for example, the invention patent application with application publication No. CN 108971873 a discloses a clamp, which includes a mounting base, a first working portion and a second working portion, wherein the first working portion is connected with the mounting base, the first working portion can clamp the mesh of the net cover along a first direction, the second working portion is connected with the mounting base, the second working portion can clamp the mesh of the net cover along a second direction, and the first direction and the second direction are arranged with an included angle. Through set up first work portion and second work portion on the installation basis and press from both sides with the mesh silk of the equidirectional on to the screen panel and get, set up like this and make the screen panel by press from both sides the in-process and receive the clamp power in the equidirectional, thereby make the atress of screen panel even, and then avoid the mesh silk folk prescription atress to lead to the atress uneven and take place the screen panel upset.
However, the clamp realizes clamping of the mesh enclosure through the first working part and the second working part, in the clamping process, the first working part and the second working part must stretch into the meshes of the mesh enclosure to clamp the meshes of the mesh enclosure, so that the meshes of the mesh enclosure must be large enough to enable the first working part or the second working part to stretch into two adjacent meshes to clamp the meshes of the two adjacent meshes, and for some meshes which are small and dense, the first working part and the second working part of the clamp cannot stretch into the meshes of the mesh, so that the clamping of the mesh cannot be realized.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a mesh clamp which can clamp meshes with small and dense meshes (such as hardware meshes).
The technical scheme for solving the technical problems is as follows:
a mesh sheet clamp comprises a support, at least one pair of thimble modules arranged on the support and a driving mechanism for driving each pair of thimble modules to move oppositely or reversely,
the ejector pin module comprises a mounting seat and a plurality of ejector pin assemblies arranged on the mounting seat, wherein the ejector pin assemblies are uniformly arranged along the length direction of the mounting seat; each thimble assembly comprises a sleeve arranged on the mounting seat, a thimble arranged in the sleeve and a buffer spring arranged between the sleeve and the thimble, wherein the buffer spring is arranged in the sleeve, one end of the buffer spring acts on the sleeve, and the other end of the buffer spring acts on the thimble.
The working principle of the mesh clamp is as follows:
when the mesh clamping device works, the support of the mesh clamping device is arranged on the manipulator, the mesh clamping device is driven by the manipulator to move downwards, the ejector pins in the ejector pin assemblies of the ejector pin modules penetrate through meshes of a mesh, then the driving mechanism drives the ejector pin modules to move oppositely or reversely, the ejector pins in the two ejector pin modules which are oppositely arranged are extruded on frames around the meshes, and therefore the mesh is clamped. In the process, if the manipulator drives the mesh clamp to move downwards, and part of the thimbles do not extend into meshes of the mesh due to the blockage of the mesh frame of the mesh, the thimbles which do not extend into the meshes overcome the pressure of the buffer spring to move upwards under the action of the reaction force of the mesh, so that the rest of the thimbles which can extend into the meshes can continuously move downwards and extend into the meshes, and the clamping of the mesh is completed.
Preferably, the thimble modules are two pairs, one pair of the thimble modules is arranged on the left side and the right side of the support, the other pair of the thimble modules is arranged on the front side and the rear side of the support, and each thimble module is connected with one driving mechanism.
Preferably, the driving mechanism comprises a driving cylinder, the driving cylinder is mounted on the support, and a telescopic rod of the driving cylinder is connected with the mounting seat. The mounting seat is driven to move by the driving cylinder, so that the thimble modules are driven to move oppositely or reversely.
Preferably, the device further comprises a microswitch arranged on the bracket, and the microswitch is arranged in the center of the bracket. When the manipulator drives the mesh clamp to move downwards, if the microswitch is in contact with the mesh, the mesh clamp stops moving downwards, and the drive mechanism is controlled to work to clamp the mesh. In addition, if the number of the thimbles penetrating into the meshes of the mesh is too small to clamp the mesh, the mesh slides down from the mesh clamp, so that the mesh is separated from the microswitch, the microswitch is loosened, and when the control system detects that the microswitch is loosened, the manipulator drives the mesh clamp to transversely shift slightly, so that part of the thimbles which do not extend into the meshes can extend into the meshes, the number of the thimbles which extend into the meshes of the mesh is increased, the clamping force of the mesh clamp on the mesh is increased, and the mesh is clamped smoothly.
Preferably, the bracket is provided with an adjusting groove at a position corresponding to each driving cylinder, and the length direction of the adjusting groove is the same as the movement direction of the telescopic rod of the driving cylinder mounted on the adjusting groove. Through setting up the adjustment tank, can be used for adjusting the position that is located the actuating mechanism and the thimble module of support four directions all around to this adaptation snatchs the net piece of different specifications.
Preferably, the ejector pin is provided with a V-shaped groove, and the V-shaped groove is transversely arranged. Therefore, when the driving mechanism drives the thimble modules to move oppositely or reversely, the V-shaped groove can be clamped on the grid frame of the net piece, so that the phenomenon that the net piece slides off in the clamping and carrying processes is prevented, and the clamping effect is further ensured.
Preferably, the V-shaped grooves in the thimbles of the thimble modules positioned at the front side and the rear side of the support face to each other and face to the inside of the support; the V-shaped grooves in the thimbles of the thimble modules positioned at the left side and the right side of the support face in opposite directions and face the outside of the support.
Preferably, an anti-rotation groove is formed in the sleeve, and an anti-rotation portion matched with the anti-rotation groove is arranged on the ejector pin. Through the cooperation of the rotation preventing part and the rotation preventing grooves, the ejector pins can be limited to rotate, and the V-shaped grooves on the ejector pins can be clamped on the frame of the net piece in the process that the driving mechanism drives the ejector pins to move.
Compared with the prior art, the invention has the following beneficial effects:
1. the ejector pins in the ejector pin modules extend into meshes of the net sheet by driving the net sheet clamp to move vertically, and then the ejector pin modules are driven by the driving mechanism to move oppositely or reversely, so that the ejector pins in the two oppositely arranged ejector pin modules are extruded in a grid frame of the net sheet, and the net sheet is clamped and carried.
2. In the process of clamping the mesh, if part of the thimbles cannot extend into the meshes of the mesh due to the blockage of the mesh frames of the mesh, the thimbles which do not extend into the meshes overcome the pressure of the buffer spring to move upwards under the action of the reaction force of the mesh, so that the rest of the thimbles which can extend into the meshes can continuously move downwards and extend into the meshes, and the clamping of the mesh can be continuously completed.
3. The mesh clamp can clamp the meshes with small and dense meshes (such as hardware meshes), and has a better clamping effect.
Drawings
Fig. 1 to 3 are schematic structural views of a mesh clamp according to a first embodiment of the present invention, in which fig. 1 and 2 are schematic perspective structural views, and fig. 3 is a front view.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
Fig. 5 is a schematic structural view of a mesh.
FIG. 6 is a schematic structural view of a second embodiment of the mesh holder of the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited thereto.
Example 1
Referring to fig. 1-5, the mesh sheet clamp of the present invention comprises a frame 1, at least one pair of needle modules 2 disposed on the frame 1, and a driving mechanism 3 for driving each pair of needle modules 2 to move towards or away from each other, wherein,
the ejector pin module 2 comprises a mounting seat 2-1 and a plurality of ejector pin assemblies arranged on the mounting seat 2-1, wherein the ejector pin assemblies are uniformly arranged along the length direction of the mounting seat 2-1; each thimble assembly comprises a sleeve 2-2 arranged on the mounting seat 2-1, a thimble 2-3 arranged in the sleeve 2-2 and a buffer spring 2-4 arranged between the sleeve 2-2 and the thimble 2-3, wherein the buffer spring 2-4 is arranged in the sleeve 2-2, one end of the buffer spring 2-4 acts on the sleeve 2-2, and the other end acts on the thimble 2-3.
Referring to fig. 1 to 5, the two pairs of thimble modules 2 are provided, wherein one pair of thimble modules 2 is disposed on the left and right sides of the support 1, the other pair of thimble modules 2 is disposed on the front and rear sides of the support 1, and each thimble module 2 is connected to a driving mechanism 3. Therefore, the mesh can be clamped in the front and back direction and the left and right direction, and the clamping effect is further improved.
In addition, the bracket 1 in the present embodiment is a flange mounting member, which is a cross-shaped structure.
Referring to fig. 1-5, the driving mechanism 3 includes a driving cylinder, the driving cylinder is mounted on the bracket 1, and an expansion rod of the driving cylinder is connected with the mounting seat 2-1. The mounting base 2-1 is driven to move by the driving cylinder, so that the thimble modules 2 are driven to move oppositely or reversely.
In addition to the above embodiments, the driving mechanism 3 of the present embodiment may be a combination of a motor and a screw transmission mechanism.
Referring to fig. 1-5, the mesh clamp of the present invention further comprises a micro switch 4 disposed on the bracket 1, wherein the micro switch 4 is disposed at the center of the bracket 1. When the manipulator drives the mesh clamp to move downwards, if the microswitch 4 is in contact with the mesh, the mesh clamp stops moving downwards, and the drive mechanism 3 is controlled to work to clamp the mesh. In addition, if the number of the thimbles 2-3 penetrating into the meshes of the net is too small to clamp the net, the net slides from the net clamp to separate the net from the microswitch 4, so that the microswitch 4 is loosened, and after the control system detects that the microswitch 4 is loosened, the manipulator is controlled to drive the net clamp to transversely make small deviation, so that part of the thimbles 2-3 which do not extend into the meshes can extend into the meshes, the number of the thimbles extending into the meshes of the net is increased, the clamping force of the net clamp on the net is increased, and the net is smoothly clamped.
Referring to fig. 1-5, the bracket 1 is provided with an adjusting groove 1-1 at a position corresponding to each driving cylinder, and the length direction of the adjusting groove 1-1 is the same as the moving direction of the telescopic rod of the driving cylinder mounted on the adjusting groove 1-1. The adjusting grooves 1-1 are arranged, so that the positions of the driving mechanisms 3 and the ejector pin modules 2 which are positioned in the front, back, left and right directions of the support 1 can be adjusted, and the grabbing of meshes with different specifications is adapted.
Referring to fig. 1-5, V-shaped grooves 2-31 are formed on the ejector pins 2-3, and the V-shaped grooves 2-31 are arranged transversely. Therefore, when the driving mechanism 3 drives the thimble modules 2 to move oppositely or reversely, the V-shaped grooves 2-31 are clamped on the grid frame of the net piece, so that the phenomenon that the net piece slides off in the clamping and carrying processes is prevented, and the clamping effect is further ensured.
V-shaped grooves 2-31 in the thimbles 2-3 of the thimble modules 2 positioned at the front side and the rear side of the support 1 face opposite directions and face the inside of the support 1; v-shaped grooves 2-31 in the thimbles 2-3 of the thimble modules 2 positioned at the left side and the right side of the support 1 are opposite in orientation and face the outside of the support 1. Through the arrangement, the clamping force of the mesh clamp on the mesh can be enhanced, so that the clamping effect is enhanced.
Referring to fig. 1-5, an anti-rotation groove 2-21 is formed in the sleeve 2-2, and an anti-rotation portion 2-32 matched with the anti-rotation groove 2-21 is formed on the thimble 2-3. The thimble 2-3 can be limited to rotate by matching the rotation prevention part 2-32 with the rotation prevention groove 2-21.
Referring to fig. 1-5, the bracket 1 is provided with mounting holes 1-2 connected with a manipulator.
Referring to fig. 1-5, the mesh clamp of the present invention operates on the following principle:
before use, the extension length of the ejector pins 2-3 is adjusted according to the thickness d of the net piece to be clamped, so that the distance between the net piece clamp and the centers of the V-shaped grooves 2-31 of the ejector pins 2-3 is equal to 0.6 xd.
When the mesh clamping device works, the bracket 1 of the mesh clamping device is arranged on the manipulator, and the manipulator drives the mesh clamping device to move, so that the mesh is clamped and conveyed. The specific process is as follows: the manipulator drives the mesh sheet clamp to move downwards, so that the thimbles 2-3 in the thimble assemblies of the thimble modules 2 penetrate through meshes of the mesh sheet, and then the driving mechanism 3 drives the thimble modules 2 to move oppositely or reversely, so that the thimbles 2-3 in the two thimble modules 2 which are oppositely arranged are extruded on frames around the meshes, and the mesh sheet is clamped and conveyed. In the process, if the manipulator drives the mesh clamp to move downwards, and part of the ejector pins 2-3 do not extend into meshes of the mesh due to blocking of the mesh frame of the mesh, the ejector pins 2-3 which do not extend into the meshes overcome the pressure of the buffer springs 2-4 to move upwards under the action of the reaction force of the mesh, so that the rest of the ejector pins 2-3 which can extend into the meshes can continuously move downwards and extend into the meshes, and the clamping of the mesh is completed.
Example 2
Referring to fig. 6, the present embodiment is different from embodiment 1 in that: the thimble modules 2 in the mesh sheet clamp are only arranged at the left side and the right side of the bracket 1. In addition, the bracket 1 in this embodiment has a rectangular structure.
The rest of the structure of this example was carried out with reference to example 1.
The present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.
Claims (10)
1. A mesh clamp comprises a bracket, at least one pair of thimble modules arranged on the bracket and a driving mechanism for driving each pair of thimble modules to move oppositely or reversely,
the ejector pin module comprises a mounting seat and a plurality of ejector pin assemblies arranged on the mounting seat, wherein the ejector pin assemblies are uniformly arranged along the length direction of the mounting seat; each thimble assembly comprises a sleeve arranged on the mounting seat, a thimble arranged in the sleeve and a buffer spring arranged between the sleeve and the thimble, wherein the buffer spring is arranged in the sleeve, one end of the buffer spring acts on the sleeve, and the other end of the buffer spring acts on the thimble.
2. The web clamp of claim 1, wherein the ejector modules are provided in two pairs, one pair of ejector modules being disposed on each of the left and right sides of the frame, the other pair of ejector modules being disposed on each of the front and rear sides of the frame, each ejector module being coupled to a drive mechanism.
3. The mesh gripper of claim 2, wherein the drive mechanism comprises a drive cylinder mounted to the frame, the extension rod of the drive cylinder being connected to the mounting base.
4. The mesh clamp of claim 1, further comprising a micro switch disposed on the bracket, the micro switch being disposed in a central location of the bracket.
5. The mesh gripper of claim 3, wherein the bracket is provided with an adjustment slot at a position corresponding to each of the driving cylinders, and the length direction of the adjustment slot is the same as the moving direction of the telescopic rod of the driving cylinder mounted on the adjustment slot.
6. The web clamp of claim 2, wherein the ejector pins include V-shaped grooves disposed transversely.
7. The web clamp of claim 6, wherein the V-shaped grooves in the ejector pins of the ejector pin modules on the front and rear sides of the frame face opposite and inwardly of the frame; the V-shaped grooves in the thimbles of the thimble modules positioned at the left side and the right side of the support face in opposite directions and face the outside of the support.
8. The mesh clamp of claim 1, wherein an anti-rotation slot is provided in the sleeve, and wherein the thimble is provided with an anti-rotation portion that mates with the anti-rotation slot.
9. The mesh clamp of claim 1, wherein the bracket is a flange mount.
10. The mesh clamp of claim 1, wherein the bracket is provided with mounting holes for connection to a robotic arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840422.2A CN110640650B (en) | 2019-09-06 | 2019-09-06 | Net piece anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840422.2A CN110640650B (en) | 2019-09-06 | 2019-09-06 | Net piece anchor clamps |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110640650A true CN110640650A (en) | 2020-01-03 |
| CN110640650B CN110640650B (en) | 2021-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910840422.2A Active CN110640650B (en) | 2019-09-06 | 2019-09-06 | Net piece anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110640650B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248217A (en) * | 2020-10-20 | 2021-01-22 | 广东博智林机器人有限公司 | Cloth equipment and cloth production line with same |
| CN113490131A (en) * | 2021-07-29 | 2021-10-08 | 惠州市霖利科技有限公司 | A injection molding machine gets a manipulator for stereo set production |
| USD982428S1 (en) * | 2018-11-27 | 2023-04-04 | Sandvik Mining And Construction Australia Pty Ltd. | Mesh clamp |
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| NL1027861C2 (en) * | 2004-12-23 | 2006-06-26 | Bradwolff Constructie | Equipment for movement and laying of flat objects, particularly steel mats, and comprises frame, support components for flat objects and separation devices |
| CN103449176A (en) * | 2013-09-04 | 2013-12-18 | 杭州厚达自动化系统有限公司 | Capturing terminal RS232 plug device |
| CN203922066U (en) * | 2014-05-13 | 2014-11-05 | 深圳市大族激光科技股份有限公司 | Grabbing device and compound grasping mechanism |
| CN206317070U (en) * | 2016-12-27 | 2017-07-11 | 深圳华大智造科技有限公司 | A kind of manipulator and the detecting instrument with manipulator |
| CN207293552U (en) * | 2017-10-19 | 2018-05-01 | 昆山墨佳工业设备有限公司 | One kind intersects contact pin type screen cloth inserting device |
| CN208584561U (en) * | 2018-07-02 | 2019-03-08 | 青岛天云智能科技有限公司 | A kind of arm gripping body of robot |
| CN208603327U (en) * | 2018-05-24 | 2019-03-15 | 深圳市创盈时代科技有限公司 | Separate type grabbing device |
| CN209009966U (en) * | 2018-08-14 | 2019-06-21 | 中民筑友有限公司 | A kind of reinforced mesh crawl fixture |
| CN109941743A (en) * | 2017-12-21 | 2019-06-28 | 北京橡胶工业研究设计院有限公司 | Cross manipulator grabbing device |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4955463A (en) * | 1988-05-12 | 1990-09-11 | Honda Giken Kogyo Kabushiki Kaisha | Work supplying system to machine tools |
| NL1027861C2 (en) * | 2004-12-23 | 2006-06-26 | Bradwolff Constructie | Equipment for movement and laying of flat objects, particularly steel mats, and comprises frame, support components for flat objects and separation devices |
| CN103449176A (en) * | 2013-09-04 | 2013-12-18 | 杭州厚达自动化系统有限公司 | Capturing terminal RS232 plug device |
| CN203922066U (en) * | 2014-05-13 | 2014-11-05 | 深圳市大族激光科技股份有限公司 | Grabbing device and compound grasping mechanism |
| CN206317070U (en) * | 2016-12-27 | 2017-07-11 | 深圳华大智造科技有限公司 | A kind of manipulator and the detecting instrument with manipulator |
| CN207293552U (en) * | 2017-10-19 | 2018-05-01 | 昆山墨佳工业设备有限公司 | One kind intersects contact pin type screen cloth inserting device |
| CN109941743A (en) * | 2017-12-21 | 2019-06-28 | 北京橡胶工业研究设计院有限公司 | Cross manipulator grabbing device |
| CN208603327U (en) * | 2018-05-24 | 2019-03-15 | 深圳市创盈时代科技有限公司 | Separate type grabbing device |
| CN208584561U (en) * | 2018-07-02 | 2019-03-08 | 青岛天云智能科技有限公司 | A kind of arm gripping body of robot |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD982428S1 (en) * | 2018-11-27 | 2023-04-04 | Sandvik Mining And Construction Australia Pty Ltd. | Mesh clamp |
| CN112248217A (en) * | 2020-10-20 | 2021-01-22 | 广东博智林机器人有限公司 | Cloth equipment and cloth production line with same |
| CN113490131A (en) * | 2021-07-29 | 2021-10-08 | 惠州市霖利科技有限公司 | A injection molding machine gets a manipulator for stereo set production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110640650B (en) | 2021-03-23 |
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