CN114922891A - Pressure maintaining mechanism and pressure maintaining device - Google Patents
Pressure maintaining mechanism and pressure maintaining device Download PDFInfo
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- CN114922891A CN114922891A CN202210570559.2A CN202210570559A CN114922891A CN 114922891 A CN114922891 A CN 114922891A CN 202210570559 A CN202210570559 A CN 202210570559A CN 114922891 A CN114922891 A CN 114922891A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 92
- 238000003825 pressing Methods 0.000 claims abstract description 27
- 238000001179 sorption measurement Methods 0.000 claims description 26
- 238000001514 detection method Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000012797 qualification Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 11
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 239000003292 glue Substances 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000005483 Hooke's law Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 206010048669 Terminal state Diseases 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention relates to the technical field of pressure maintaining devices and discloses a pressure maintaining mechanism and a pressure maintaining device. Pressurize mechanism includes: the bottom of the first pressure maintaining piece is convexly provided with a first pressure head; the second pressure maintaining piece is positioned below the first pressure maintaining piece and movably sleeved on the first pressure head, and the bottom of the second pressure maintaining piece is convexly provided with a second pressure head; the driving piece is connected to the first pressure retaining piece, and the driving piece can drive the second pressure retaining piece to rise to the bottom surface of second pressure head and be not less than the bottom surface of first pressure head to make first pressure head can adsorb through the top surface of boss and wait to press the work piece, and first pressure head is configured to self bottom surface and supports when pressing on the top surface of boss, and the driving piece can also drive the second pressure retaining piece and descend to the bottom surface laminating of second pressure head and wait to press the top surface of work piece and support and press and wait to press the work piece. The invention ensures that the top surface of the workpiece to be pressed and the top surface of the boss can bear pressure, ensures the qualification rate of products, is beneficial to simplifying the structure, saves the cost, reduces the occupied space and also improves the production efficiency.
Description
Technical Field
The invention relates to the technical field of pressure maintaining devices, in particular to a pressure maintaining mechanism and a pressure maintaining device.
Background
In the production process of a product, it is often necessary to bond two workpieces, which are set as a first workpiece and a second workpiece, respectively. The fixed setting of first work piece, the coating has glue on the first work piece, and the second work piece adsorbs and removes to the first work piece through a manipulator on, recycles another manipulator and drives the pressure head and push down to maintain pressure in certain length of time, to two work piece pressurize, guarantee the firm degree that the product bonded. Some of the second workpieces are provided with a step structure on the top surface, i.e. the top surface of the second workpiece has a higher high level and a lower low level. The prior art has two pressure maintaining schemes: one is that a whole piece of soft silica gel is laid on a second workpiece, and meanwhile, the manipulator drives the pressure maintaining head to press down on a high surface, but the low surface of the second workpiece can not bear enough pressure sometimes, so that the bonding firmness between the second workpiece and the first workpiece can not be ensured, and the product yield is reduced; secondly, two independent pressure maintaining heads are used, two mechanical arms are needed to drive the two pressure maintaining heads to press down respectively, and therefore the pressure maintaining device is complex in structure and high in cost.
Accordingly, a pressure maintaining mechanism and a pressure maintaining device are needed to solve the above problems.
Disclosure of Invention
The invention aims to provide a pressure maintaining mechanism, which ensures that the top surfaces of a workpiece to be pressed and a boss can bear pressure, ensures the qualified rate of products, is beneficial to simplifying the structure, saves the cost, reduces the occupied space and can improve the production efficiency.
Another object of the present invention is to provide a pressure maintaining device, so as to ensure that the top surfaces of the workpiece to be pressed and the top surface of the boss can be pressurized, thereby ensuring the qualified rate of the product, facilitating the simplification of the structure of the pressure maintaining device, saving the cost, reducing the occupied space, and improving the production efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a pressurize mechanism for will treat to press the work piece pressfitting and carry out the pressurize on bearing the work piece, treat to press the top surface of work piece on the protrusion be provided with the boss, include:
the bottom of the first pressure head is convexly provided with a first pressure head, and the bottom of the first pressure head is provided with an adsorption hole;
the second pressure retaining piece is positioned below the first pressure retaining piece and movably sleeved on the first pressure head, and a second pressure head is arranged at the bottom of the second pressure retaining piece in a protruding mode;
the driving piece is connected to the first pressure retaining piece, the driving piece can drive the second pressure retaining piece to ascend to the bottom surface of the second pressure head, the bottom surface of the second pressure head is not lower than the bottom surface of the first pressure head, so that the first pressure head can adsorb the workpiece to be pressed through the top surface of the boss, and the driving piece can also drive the second pressure retaining piece to descend to the bottom surface of the second pressure head, so that the bottom surface of the second pressure head is attached to the top surface of the workpiece to be pressed and presses the workpiece to be pressed when the first pressure head is configured to be pressed on the top surface of the boss in a pressing mode.
As an optional technical scheme of the pressure maintaining mechanism, the pressure maintaining mechanism further comprises a guide rod which is vertically arranged, the bottom of the guide rod is connected to the second pressure maintaining piece, the top of the guide rod movably penetrates through the first pressure maintaining piece, the output end of the driving piece is connected to the guide rod, and the output end can move in the vertical direction.
As an optional technical scheme of the pressure maintaining mechanism, the pressure maintaining mechanism further comprises a connecting piece, the connecting piece is located above the first pressure maintaining piece, at least two guide rods are arranged, the tops of the at least two guide rods are connected to the connecting piece, and the output end is connected to the connecting piece.
As an optional technical scheme of pressurize mechanism, seted up on the lateral wall of connecting piece and dismantled the mouth, it link up to dismantle the mouth the top surface and the bottom surface of connecting piece, the driving piece with the connection can be dismantled to first pressurize spare, the end connection of output has the connector, the connector is worn to locate dismantle the mouth, just the upper end and the equal protrusion of lower extreme of connector lateral wall are provided with spacing portion, two spacing portion homoenergetic with the connecting piece butt, just the connector can pass through the open end of dismantling the mouth breaks away from the connecting piece.
As an optional technical scheme of the pressure maintaining mechanism, the pressure maintaining mechanism further comprises a pressure detecting component, the pressure detecting component is located below the connecting piece, the pressure detecting component comprises a pressure sensor and an elastic piece, the pressure sensor is connected with the first pressure maintaining piece, the elastic piece is vertically arranged, one end of the elastic piece abuts against the detecting end at the top of the pressure sensor, and the other end of the elastic piece abuts against the bottom surface of the connecting piece.
As an optional technical scheme of the pressure maintaining mechanism, the pressure detecting assembly further comprises a mounting member, the pressure sensor is mounted on the mounting member, a strip-shaped hole extending along the vertical direction is formed in the mounting member, and a fastening member penetrates through the strip-shaped hole and is connected with the first pressing member;
and/or a gasket is arranged on the detection end, the edge of the gasket protrudes out of the edge of the detection end, and the end part of the elastic part abuts against the gasket.
As an optional technical scheme of the pressure maintaining mechanism, a through hole is formed in the second pressure maintaining piece, the through hole penetrates through the second pressure head, and the first pressure head is movably arranged in the through hole in a penetrating mode.
As an optional technical scheme of the pressure maintaining mechanism, a first cushion pad is arranged on the bottom surface of the first pressure head, and a through hole communicated with the adsorption hole is formed in the first cushion pad;
and/or a second cushion pad is arranged on the bottom surface of the second pressure head.
As an optional technical scheme of the pressure maintaining mechanism, an installation part is arranged on the first pressure maintaining part, an installation hole is formed in the installation part, and the installation hole is used for being connected with an external structure.
A pressurizer comprises a mechanical arm and the pressurizer mechanism, wherein the movable end of the mechanical arm is connected with the first pressure maintaining part.
The invention has the beneficial effects that:
the pressure maintaining mechanism comprises a first pressure maintaining piece, a second pressure maintaining piece and a driving piece. When the first pressure head supports and presses on the top surface of boss, the driving piece can drive the decline of second pressurize spare, the second pressure head can support and press the top surface of waiting to press the work piece, the top surface of having guaranteed to press the work piece and the top surface homoenergetic of boss can receive pressure, thereby guaranteed to wait to press the work piece and can firmly bond on bearing the work piece, the qualification rate of product has been guaranteed, the driving piece can be treated the top surface of pressing the work piece and exert pressure, utilize a pressurize mechanism can realize treating the top surface of pressing the work piece and the top surface of boss and exert pressure, two pressurize mechanisms of having avoided using, do benefit to the simplified structure, the cost is saved, occupation space is reduced, the structurally modularized degree of pressurize mechanism has also been improved, and the transportation is convenient. Meanwhile, the adsorption hole is further formed in the first pressure head, when the driving piece drives the second pressure head to ascend to the bottom surface, the bottom surface of the driving piece is not lower than that of the first pressure head, the pressure maintaining mechanism can adsorb a workpiece to be pressed, functions of the pressure maintaining mechanism are enriched, practicability is improved, the pressure maintaining mechanism can be directly utilized to adsorb the workpiece to be pressed before the workpiece to be pressed is pressed in a pressing mode, time for replacing different mechanisms between two steps of moving the workpiece to be pressed and pressing the workpiece to be pressed is saved, production time is saved, production efficiency is improved, cost is further reduced, the phenomenon that the adsorption head is additionally arranged on the pressure maintaining mechanism is avoided, the structure is further simplified, and occupied space is reduced.
The pressure maintaining device provided by the invention comprises the pressure maintaining mechanism. The first pressure head on the pressure maintaining mechanism can contact the top surface of the boss, the driving piece can drive the second pressure head to descend to contact the top surface of the workpiece to be pressed and abut against the workpiece to be pressed, so that the mechanical arms are connected to the first pressure head to apply pressure to the top surface of the workpiece to be pressed and the top surface of the boss, two mechanical arms are avoided being used, the quantity demand on the mechanical arms is reduced, the structure of the pressure maintaining device is facilitated to be simplified, the cost is saved, and the occupied space is reduced. Meanwhile, the first pressure head can adsorb the workpiece to be pressed, so that the workpiece to be pressed can be driven to move to the bearing workpiece through the mechanical arm connected to the first pressure head, the workpiece to be pressed is prevented from being adsorbed and moved by other adsorption mechanisms, equipment is further simplified, the cost is further reduced, the time for replacing different mechanisms between the two steps of moving the workpiece to be pressed and pressing the workpiece to be pressed is saved, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a first view angle of a pressure maintaining mechanism provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second viewing angle of the pressure maintaining mechanism provided in the embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a schematic structural diagram of a partial structure of the pressure holding mechanism provided in the embodiment of the present invention in an adsorption state;
fig. 5 is a schematic structural view of a partial structure of a pressure holding mechanism according to an embodiment of the present invention in a pressure holding state;
FIG. 6 is a partial enlarged view at B in FIG. 5;
fig. 7 is a schematic structural view of a third viewing angle of the pressure maintaining mechanism provided in the embodiment of the present invention;
fig. 8 is a partial enlarged view at C in fig. 7.
In the figure:
1. a first holding member; 11. a first ram; 12. an installation part; 13. mounting holes; 14. a mounting frame; 15. a slideway;
2. a second compression retention member; 21. a second ram; 211. a first groove; 212. a first projecting portion;
3. a drive member; 31. an output end; 32. a connector; 321. a limiting part;
4. a guide bar; 41. a linear bearing; 42. a clamp spring;
5. a connecting member; 51. disassembling the port; 52. a positioning ring;
6. a pressure detection assembly; 61. a pressure sensor; 611. a detection end; 62. an elastic member; 63. a mounting member; 631. a strip-shaped hole; 632. mounting grooves; 633. a sliding part; 64. a gasket;
7. a fastener; 8. a first cushion pad; 81. a through hole;
9. a second cushion pad; 91. a protrusion; 911. a second projection; 912. a second groove.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The present embodiment provides a pressurizer. Specifically, the pressurizer includes arm and pressurize mechanism, and the expansion end and the pressurize mechanism of arm are connected. The mechanical arm is used for driving the pressure maintaining mechanism to move. The pressurizer that this embodiment provided is used for waiting to press the work piece pressfitting and form the product on bearing the weight of the work piece, and pressurize mechanism supports to press and wait to press the work piece on for predetermineeing the duration, carry out the pressurize. The top surface of the bearing workpiece is coated with a glue layer, and the bearing workpiece is bonded with the workpiece to be pressed through the glue layer. The top surface of the workpiece to be pressed is convexly provided with a boss, so that the top of the workpiece to be pressed forms a step structure, the top surface of the workpiece to be pressed forms a low surface of the step structure, and the top surface of the boss forms a high surface of the step structure. The preset time duration may be 3s to 5s, and the specific time duration may be adaptively adjusted, which is not limited herein.
In this embodiment, the structure of the robot arm is not shown in the drawings, and the structure of the robot arm may refer to the prior art, and is preferably a six-degree-of-freedom robot arm, which is not the protection focus of this embodiment and is not described herein again.
Preferably, as shown in fig. 1 to 8, the pressure holding mechanism includes a first pressure holding member 1, a second pressure holding member 2, and a driving member 3. A first pressure head 11 is convexly arranged at the bottom of the first pressure holding piece 1, and an adsorption hole is formed in the bottom of the first pressure head 11; the second pressure keeping piece 2 is positioned below the first pressure keeping piece 1 and movably sleeved on the first pressure head 11, and a second pressure head 21 is convexly arranged at the bottom of the second pressure keeping piece 2; the driving part 3 is installed in the first pressure retaining part 1, and the driving part 3 can drive the second pressure retaining part 2 to rise to the bottom surface of the second pressure head 21 and be not lower than the bottom surface of the first pressure head 11, so that the first pressure head 11 can adsorb the workpiece to be pressed through the top surface of the boss, and the first pressure head 11 is configured to press the top surface of the boss by its bottom surface, and the driving part 3 can also drive the second pressure retaining part 2 to fall to the bottom surface of the second pressure head 21 to be attached to the top surface of the workpiece to be pressed and press the workpiece to be pressed.
In this embodiment, the movable end of the robot arm is connected to the first holding member 1 of the holding pressure mechanism.
That is, the pressure holding mechanism has two states, one is an adsorption state, and the other is a pressure holding state. When the pressure maintaining mechanism is in an adsorption state, the driving part 3 can drive the second pressure maintaining part 2 to ascend to the bottom surface of the second pressure head 21 and be not lower than the bottom surface of the first pressure head 11, preferably, the driving part drives the second pressure maintaining part 2 to ascend to the bottom surface of the second pressure head 21 and be higher than the bottom surface of the first pressure head 11, at the moment, the first pressure head 11 is lower than the second pressure head 21 and can adsorb a workpiece to be pressed, through the movement of the mechanical arm, the workpiece to be pressed can be synchronously driven to move, and the workpiece to be pressed is conveniently driven to move towards the bearing workpiece. When the pressure maintaining mechanism is in a pressure maintaining state, the mechanical arm drives the first pressure head 11 to press downwards, so that the first pressure head 11 is pressed against the top surface of the boss, that is, the first pressure head 11 is pressed against the high surface of the step mechanism, the pressure on the top surface of the boss comes from the mechanical arm, the driving part 3 can drive the second pressure maintaining part 2 to descend until the bottom surface of the second pressure head 21 is lower than the bottom surface of the first pressure head 11, so that the second pressure head 21 can descend to be attached to the top surface of the workpiece to be pressed and press the workpiece to be pressed, the second pressure head 21 is pressed against the top surface of the workpiece to be pressed, and the driving part 3 drives the second pressure head 21 to press downwards and generate a certain pressure on the workpiece to be pressed. First pressure head 11 supports respectively with second pressure head 21 and presses the high face and the low face of stair structure promptly, treats to press the work piece and plays pressfitting and pressurize effect, has guaranteed that each face at treating to press the work piece top all can receive pressure, has guaranteed to treat to press the work piece can firmly bond on bearing the work piece, has guaranteed the qualification rate of product.
The pressure maintaining mechanism provided in the present embodiment includes a first pressure maintaining member 1, a second pressure maintaining member 2, and a driving member 3. When first pressure head 11 supports and presses on the top surface of boss, driving piece 3 can drive second pressurize piece 2 and descend, second pressure head 21 can support and press the top surface of waiting to press the work piece, it can all receive pressure to have guaranteed that the top surface of waiting to press the work piece and the top surface of boss, thereby guaranteed to wait to press the work piece and can firmly bond on bearing the work piece, the qualification rate of product has been guaranteed, driving piece 3 can treat the top surface of pressing the work piece and exert pressure, it can realize treating the top surface of pressing the work piece and the top surface of boss and exert pressure to utilize a pressurize mechanism, two pressurize mechanisms have been avoided using, do benefit to and simplify the structure, the cost is saved, occupation space has been reduced, also improved the structural modularization degree of pressurize mechanism, and the transportation is convenient. Meanwhile, the adsorption hole is further formed in the first pressure head 11, the driving piece 3 drives the second pressure head 21 to ascend to the bottom surface which is not lower than the bottom surface of the first pressure head 11, the pressure maintaining mechanism can adsorb a workpiece to be pressed, functions of the pressure maintaining mechanism are enriched, the practicability is improved, the pressure maintaining mechanism can be directly utilized to adsorb the workpiece to be pressed before the workpiece to be pressed is pressed in a pressing mode, time for replacing different mechanisms between two steps of moving the workpiece to be pressed and pressing the workpiece to be pressed downwards is saved, production time is saved, production efficiency is improved, cost is further reduced, the phenomenon that an adsorption head is additionally arranged on the pressure maintaining mechanism is avoided, the structure is further simplified, and occupied space is reduced.
The pressure maintaining device provided by the embodiment comprises the pressure maintaining mechanism. First pressure head 11 on the pressurize mechanism can contact the boss top surface, and driving piece 3 can drive second pressure head 21 and descend to the contact and treat the top surface of pressing the work piece and support and press and treat the work piece, makes the arm connect and to realize treating the top surface of pressing the work piece and the top surface of boss and exert pressure on first pressure retaining member 1, has avoided using two arms, has reduced the quantity demand to the arm, does benefit to the structure of simplifying the pressurizer, and the cost is saved has reduced occupation space. Meanwhile, the first pressure head 1 can adsorb a workpiece to be pressed, so that the workpiece to be pressed can be driven to move to the bearing workpiece through the mechanical arm connected to the first pressure-holding part 1, the phenomenon that other adsorption mechanisms are used for adsorbing and moving the workpiece to be pressed is avoided, equipment is further simplified, cost is further reduced, time for replacing different mechanisms between two steps of moving the workpiece to be pressed and pressing the workpiece to be pressed is saved, and production efficiency is improved.
In the present embodiment, the first holding member 1 has a plate shape and is disposed horizontally. First pressure head 11 is vertical to be set up in the bottom of first pressure holding spare 1, and first pressure head 11 is the integral type structure with first pressure holding spare 1. The second pressure retaining member 2 is also plate-shaped and horizontally disposed. Second pressure head 21 is vertical to be set up in the bottom of second pressure retaining member 2, and second pressure head 21 and second pressure retaining member 2 are the integral type structure.
Further, as shown in fig. 1, 4, 5 and 7, the first holding member 1 is provided with a mounting portion 12, the mounting portion 12 is provided with a mounting hole 13, and the mounting hole 13 is used for connecting with an external structure.
Specifically, installation department 12 is vertical platelike, connects in one side of 1 top surface of first pressure retaining member, and installation department 12 is link up to mounting hole 13 level, is convenient for be connected through the expansion end of bolt with the arm, realizes dismantling the connection, is convenient for match different arms, has enlarged application scope. In other embodiments, the mounting portion 12 may be configured in other structures to facilitate connection with a robotic arm, and is not limited herein. The mounting portion 12 is made of metal, and the mounting portion 12 and the first pressure maintaining member 1 are integrated.
Specifically, the first ram 11 has a block shape, and the bottom surface profile thereof is the same as the top surface profile of the boss. The first ram 11 is made of metal, preferably stainless steel, so that the structural strength and durability are improved. The first pressure head 11 is provided with three adsorption holes. In other embodiments, the bottom surface profile of the first pressing head 11 is adaptively adjusted according to the top surface profile of the boss, and the number of the suction holes on the first pressing head 11 is adaptively adjusted, which is not limited herein.
Preferably, as shown in fig. 2 and 6, a first cushion pad 8 is disposed on a bottom surface of the first ram 11, and a through hole 81 communicating with the adsorption hole is opened on the first cushion pad 8. Set up first blotter 8, can avoid first pressure head 11 and the boss of waiting to press the work piece to take place hard collision, reduced and waited to press the work piece to receive the possibility of extrusion deformation, the qualification rate of product has been guaranteed, the possibility that first pressure head 11 warp has also been reduced simultaneously, the durable degree of pressurize mechanism has been guaranteed, the maintenance cost has been reduced, because first blotter 8 has certain elasticity, make pressurize mechanism when being in adsorption state, even be in nonparallel state between first pressure head 11 and the boss, first pressure head 11 also can laminate completely with the boss top surface of waiting to press the work piece, the adsorption function of realizing first pressure head 11 has been guaranteed.
In this embodiment, the first cushion pad 8 is made of rubber and is bonded to the bottom surface of the first ram 11 through a rubber layer. The profile of the first cushion 8 is the same as the profile of the bottom surface of the first ram 11. Three through-holes 81 are vertically formed in the first cushion pad 8, and the three through-holes 81 are arranged opposite to the three adsorption holes in the first pressure head 11 one by one. In other embodiments, the contour structure of the first buffer pad 8 and the number of the through holes 81 can be adaptively adjusted according to the structure of the first ram 11, which is not limited herein.
In this embodiment, the boss is located at the middle position of one side of the top surface of the workpiece to be pressed, that is, the top surface of the workpiece to be pressed which is not covered by the boss is U-shaped. Preferably, the second pressure maintaining piece 2 is provided with a through hole, the through hole penetrates through the second pressure head 21, and the first pressure head 11 is movably arranged in the through hole in a penetrating manner. Above-mentioned structure sets up, when first pressure head 11 supported and pressed on the boss, second pressure head 21 can support along the circumference of boss and press on the top surface that is located boss week side treating and presses the work piece, do benefit to the realization and only utilize a second pressure head 21 can support and press on the top surface that treats and press the work piece of boss both sides mutually away from the other, can reduce the quantity demand to second pressure head 21, do benefit to the course of working of simplifying second pressure retaining piece 2 and second pressure head 21, the structure of pressurize mechanism has been simplified simultaneously, the space occupation has been reduced.
In the present embodiment, as shown in fig. 2, the bottom surface of the second pressing head 21 is U-shaped in profile and can completely cover the top surface of the workpiece to be pressed which is not covered by the boss. The second ram 21 is made of metal, preferably stainless steel, so that the structural strength and durability are improved. In other embodiments, the profile of the bottom surface of the second pressing head 21 may be adapted according to the profile of the top surface of the workpiece to be pressed, or at least two pressing heads 21 may be provided, which are not limited herein.
Preferably, as shown in fig. 1, 2, 6 and 7, the second cushion pad 9 is provided on the bottom surface of the second ram 21, the second cushion pad 9 is U-shaped, and the second cushion pad 9 can completely cover the bottom surface of the second ram 21. Set up second blotter 9, can avoid second pressure head 21 and wait to press the work piece to take place hard collision, reduced and waited to press the work piece to receive the extrusion deformation's possibility, guaranteed the qualification rate of product, also reduced the possibility that second pressure head 21 warp simultaneously, guaranteed the durable degree of pressurize mechanism, reduced the maintenance cost, guaranteed second pressure head 21 can with wait to press the work piece laminating, thereby guaranteed that the top surface of waiting to press the work piece and the top surface homoenergetic of boss can receive pressure.
In this embodiment, as shown in fig. 6, the second cushion pad 9 is bonded to the second indenter 21 by a glue layer. Preferably, the bottom surface of the second ram 21 is provided with an accommodating groove along the circumferential direction, and the accommodating groove penetrates through the outer side wall of the second ram 21. A first groove 211 is formed in the side wall of the accommodating groove, the first groove 211 extends along the circumferential direction of the second ram 21, and the top surface of the first groove 211 and the top surface of the accommodating groove are coplanar. The bottom surface of the first groove 211 and the bottom surface of the second ram 21 are spaced apart from each other, and a first protrusion 212 is formed between the bottom surface of the first groove 211 and the bottom surface of the second ram 21. The top surface of second buffer pad 9 is convexly provided with protrusion 91, protrusion 91 is arranged along the circumference of second buffer pad 9, and the outer sidewall of protrusion 91 is coplanar with the outer sidewall of second buffer pad 9. The top of the side wall of the protrusion 91 is convexly provided with a second protruding part 911, the second protruding part 911 extends along the circumferential direction of the second cushion pad 9, the second protruding part 911 is arranged in the first groove 211, and each surface of the second protruding part 911 is correspondingly attached to each surface of the first groove 211. The bottom wall of the second protruding portion 911 and the top surface of the second cushion pad 9 are spaced, so that a second groove 912 is formed between the bottom wall of the second protruding portion 911 and the top surface of the second cushion pad 9, the first protruding portion 212 is located in the second groove 912, and each surface of the first protruding portion 212 and each surface of the second groove 912 are correspondingly attached.
Specifically, the bottom surface of the second pressure head 21, each surface of the first groove 211 and each surface of the first protrusion 212 are coated with a glue layer, so that the bonding area between the second pressure head 21 and the second cushion pad 9 is increased, the firm connection degree between the second pressure head 21 and the second cushion pad 9 is ensured, meanwhile, the first protrusion 212 can also clamp the second protrusion 911, and the second cushion pad 9 is further prevented from being separated from the second pressure head 21.
In this embodiment, the outer side wall of the second ram 21 is flush with the outer side wall of the second cushion pad 9.
Preferably, as shown in fig. 1, 2, 4, 5, 7, and 8, the holding pressure mechanism further includes a guide rod 4 that is vertically provided. The bottom of guide arm 4 is connected in second pressure maintaining piece 2, and first pressure maintaining piece 1 is worn to locate in the activity of guide arm 4 top, and the output 31 of driving piece 3 is connected in guide arm 4, and output 31 can move along vertical direction. Set up guide arm 4, can play the guide effect to second pressure retaining piece 2, guaranteed that second pressure head 21 can accurately support to press on waiting to press the top surface of work piece to guaranteed that second pressure head 21 treats to press the work piece and applyed pressure, guaranteed to wait to press the work piece and bear the bonding effect between the work piece, guaranteed the qualification rate of product.
Specifically, the linear bearing 41 is arranged on the first pressure maintaining piece 1, the first pressure maintaining piece 1 is fixed with the outer ring of the linear bearing 41, and the guide rod 4 is fixed with the inner ring of the linear bearing 41, so that the friction force generated between the guide rod 4 and the second pressure maintaining piece 2 is reduced. The snap springs 42 are fixed at two ends of the linear bearing 41 in the axial direction, the two snap springs 42 are respectively located at the upper end and the lower end of the first pressure maintaining member 1, and the two snap springs 42 can fix the position of the linear bearing 41 in the vertical direction, so that the linear bearing 41 is prevented from being separated from the first pressure maintaining member 1.
Further, the pressure maintaining mechanism further comprises a connecting piece 5, the connecting piece 5 is located above the first pressure maintaining piece 1, at least two guide rods 4 are arranged, the tops of the at least two guide rods 4 are connected to the connecting piece 5, and the output end 31 is connected to the connecting piece 5. The at least two guide rods 4 are arranged, so that the guide effect of the guide rods 4 on the second pressure maintaining part 2 is guaranteed, the second pressure maintaining part 2 is prevented from rotating around a vertical axis, the second pressure head 21 is further guaranteed to be accurately abutted against the top surface of the workpiece to be pressed, and the second pressure head 21 is guaranteed to apply pressure on the workpiece to be pressed. Meanwhile, the connecting piece 5 is arranged, so that the output end 31 of the driving piece 3 is conveniently connected with the guide rod 4, the connection convenience is improved, and the assembly is convenient.
In the present embodiment, the guide rod 4 is provided with four, so that the linear bearings 41 are also provided with four, the four linear bearings 41 being located at the four corners of the first holding member 1, respectively. The driving part 3 is set as a cylinder, the cylinder body of the cylinder is fixedly connected with the first pressure maintaining part 1, and the output end 31 is a piston rod of the cylinder. The piston rod is located at the top end of the cylinder body and can move in the vertical direction.
As a preferable scheme, as shown in fig. 4, 5 and 8, a detaching port 51 is formed on a side wall of the connecting member 5, the detaching port 51 penetrates through a top surface and a bottom surface of the connecting member 5, the driving member 3 is detachably connected to the first pressure-maintaining member 1, the end of the output end 31 is connected to the connector 32, the connector 32 penetrates through the detaching port 51, the upper end and the lower end of the side wall of the connector 32 are respectively provided with a limiting portion 321 in a protruding manner, the two limiting portions 321 can be abutted to the connecting member 5, and the connector 32 can be separated from the connecting member 5 through the opening end of the detaching port 51. Above-mentioned structure sets up, and two spacing portions 321 can respectively with 5 butts of connecting piece, realize utilizing driving piece 3 drive connecting piece 5 to go up and down, meanwhile, connector 32 can break away from connecting piece 5 through the open end of dismantling mouth 51, can realize dismantling between driving piece 3 and the connecting piece 5 again and be connected, be convenient for change different driving piece 3 according to the pressure demand of waiting to press the work piece difference. In this embodiment, the connector 32 is rod-shaped and coaxially connected to the output end 31, and the limiting portion 321 is circumferentially disposed along the connector 32.
Specifically, as shown in fig. 1 and 2, an L-shaped mounting frame 14 is connected to a side of the first pressure maintaining member 1 away from the mounting portion 12, so that the mounting frame 14 is prevented from interfering with the robot arm. The mounting frame 14 includes a vertical plate and a vertical plate, one side of the vertical plate is connected to a side wall of the first holding member 1 away from the mounting portion 12, and the horizontal plate is vertically connected to the bottom of the other side wall of the vertical plate. On driving piece 3 was arranged in mounting bracket 14, and the bottom of driving piece 3 cylinder body can be dismantled with the diaphragm and be connected, and driving piece 3 accessible bolt can be dismantled with mounting bracket 14 and be connected. Further, the riser can also be detachably connected with the first holding member 1 by bolts.
In the present embodiment, the driving member 3 is located below the connecting member 5, and the connecting member 5 is a metal plate. It will be appreciated that the attachment 5 has a removal opening 51 at a location directly above the drive member 3.
Preferably, as shown in fig. 1 and 3, the pressure maintaining mechanism further includes a pressure detecting assembly 6, the pressure detecting assembly 6 is located below the connecting member 5, the pressure detecting assembly 6 includes a pressure sensor 61 and an elastic member 62, the pressure sensor 61 is connected to the first pressure maintaining member 1, the elastic member 62 is vertically disposed, one end of the elastic member 62 abuts against a detecting end 611 at the top of the pressure sensor 61, and the other end abuts against the bottom surface of the connecting member 5. The pressure detection assembly 6 can detect whether the pressure applied to the top surface of the workpiece to be pressed by the second pressing head 21 reaches a target value or not, and can also detect whether the pressure applied to the top surface of the workpiece to be pressed by the second pressing head 21 is stable or not, so that firm bonding between the workpiece to be pressed and the bearing workpiece is guaranteed, and the qualification rate of products is guaranteed.
In this embodiment, the elastic member 62 is a spring, the top of the pressure sensor 61 is provided with an annular detection end 611, and the middle of the annular detection end 611 is penetrated with a vertically arranged upright post. The spring is sleeved on the upright post, the bottom of the spring is abutted with the detection end 611, and the top of the spring is abutted with the bottom surface of the connecting piece 5. Set up for the interval between stand and the connecting piece 5 all the time, prevent to hinder the connecting piece 5 and descend, pressure sensor 61's detection numerical value is the elasticity value of spring. The structure of the pressure sensor 61 is the prior art, and is not the key point of protection in this embodiment, and is not described herein again.
Because the pressure maintaining mechanism provided in this embodiment is in the adsorption state first, adsorbs the work piece of waiting to press, and the arm drive pressure maintaining mechanism removes, makes the work piece of waiting to press remove to bearing the weight of on the work piece. Subsequently, the driving member 3 drives the second pressure maintaining member 2 to move, so that the pressure maintaining mechanism is changed into a pressure maintaining state. It will be appreciated that the pressure exerted by the first ram 11 on the boss is exerted by the robotic arm and the pressure exerted by the second ram 21 on the top surface of the workpiece to be pressed is exerted by the drive member 3. Setting the vertical distance between the second pressure maintaining part 2 and the top surface of the workpiece to be pressed as H when the pressure maintaining mechanism is in an adsorption state; setting a target value of pressure applied to the workpiece to be pressed as F when the pressure maintaining mechanism maintains the pressure of the workpiece to be pressed; setting the compression amount of the workpiece to be pressed as S when the workpiece to be pressed bears the pressure F; since the second cushion pad 9 has elasticity, the compression amount of the second cushion pad 9 is set to L when the workpiece to be pressed is subjected to the pressure F. The pressure maintaining mechanism is changed from an adsorption state to a pressure maintaining state, and when the pressure applied to the workpiece to be pressed is F, the moving distance of the second pressure maintaining part 2 is H + S + L. And because the second pressure maintaining part 2 is connected with the connecting part 5 through the guide rod 4. That is, when the compression amount of the elastic member 62 is H + S + L, the second ram 21 applies a pressure F to the workpiece to be pressed. When the moving distance of the second pressure maintaining part 2 is H, the pressure applied by the second pressure head 21 on the workpiece to be pressed is 0, and at this time, the compression amount of the elastic part 62 is H. When the pressure maintaining mechanism is in an adsorption state, the interval between the upright post and the connecting piece 5 is larger than H + S + L.
According to hooke's law, the spring force F' k x, k being the spring constant of the spring and x being the deformation of the spring. If the spring when the pressure holding mechanism is in the adsorption state is set to be in the initial state of the spring, the pressure holding mechanism is in the pressure holding state, and the spring when the pressure applied to the workpiece to be pressed is F is set to be in the termination state of the spring, and the pressure sensor 61 detects that the elastic force change value of the spring detected by the pressure sensor 61 reaches F' ═ k (H + S + L) in the process that the spring is changed from the initial state to the termination state, that is, the change value represents the pressure value F applied to the workpiece to be pressed by the second presser head 21.
In some embodiments, the second cushion 9 is not provided, or the deformation of the second cushion 9 is small and negligible. The pressure maintaining mechanism is changed from the adsorption state to the pressure maintaining state, and when the pressure applied to the workpiece to be pressed is F, the moving distance of the second pressure maintaining member 2 is H + S. And because the second pressure maintaining part 2 is connected with the connecting part 5 through the guide rod 4. That is, when the compression amount of the elastic member 62 is H + S, the second presser 21 applies a pressing force F to the workpiece to be pressed. When the pressure maintaining mechanism is in an adsorption state, the interval between the upright post and the connecting piece 5 is at least H + S. During the process that the pressure sensor 61 detects that the spring is changed from the initial state to the terminal state, the change value of the elastic force of the spring detected by the pressure sensor 61 reaches F ═ k (H + S), which represents the pressure value F applied by the second pressing head 21 to the workpiece to be pressed.
Further, as shown in fig. 3, a positioning ring 52 is connected to the bottom surface of the connecting member 5, the top end of the spring is located in the positioning ring 52, and the positioning ring 52 is arranged to facilitate the contact position between the spring and the connecting member 5 and facilitate the assembly of the pressure maintaining mechanism. The positioning ring 52 and the connecting member 5 can be bonded by using an adhesive layer.
Preferably, as shown in fig. 1 and 3, the pressure detecting assembly 6 further includes a mounting member 63, the pressure sensor 61 is mounted on the mounting member 63, a strip-shaped hole 631 extending in the vertical direction is formed in the mounting member 63, and the fastening member 7 is inserted into the strip-shaped hole 631 and connected to the first pressing member 1. Set up bar hole 631 on installed part 63, be convenient for adjust pressure sensor 61 along the position of vertical direction, be convenient for adjust the distance between stand and the connecting piece 5, also be convenient for become the required deformation volume of final state by initial condition according to the spring, the position of vertical direction is followed to the adjustment spring, thereby the compression capacity of adjustment spring when initial position, thereby do benefit to the spring and satisfy required deformation volume, guaranteed that second pressure head 21 reaches the target value to the pressure of treating the pressure work piece, the dismouting of also being convenient for simultaneously, change the spring.
Further, the top surface of the mounting member 63 is provided with an installation groove 632, and the pressure sensor 61 is disposed in the installation groove 632 and is fixedly connected with the mounting member 63. The installation groove 632 is provided to facilitate determination of the installation position of the pressure sensor 61.
The mounting member 63 is provided with a slide portion 633 projecting from the bottom surface thereof, the slide portion 633 extending in the vertical direction. Slide 15 has been seted up to vertical lining up on the diaphragm of mounting bracket 14, and the setting in slide 15 is slided to sliding part 633, and installed part 63 can prevent that installed part 63 and mounting bracket 14 from breaking away from with the diaphragm butt of mounting bracket 14. The sliding part 633 is provided with a strip hole 631, and the fastening member 7 passes through the strip hole 631 and is screwed into a threaded hole provided in the chute wall of the chute 15. The fastener 7 is a bolt, and the width of the strip-shaped hole 631 is the same as the diameter of the stud of the fastener 7.
Preferably, the detection end 611 is provided with a pad 64, an edge of the pad 64 protrudes from an edge of the detection end 611, and an end of the elastic member 62 abuts against the pad 64. The spacer 64 is provided, so that the diameter of the spring to which the detection end 611 can adapt is enlarged, and the application range is enlarged. In this embodiment, the pad 64 is annular, and is sleeved on the pillar, and can be directly placed on the detecting end 611, or can be connected to the detecting end 611.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a pressurize mechanism for will wait to press the work piece pressfitting and carry out the pressurize on bearing the work piece, the protrusion is provided with the boss on waiting to press the top surface of work piece, its characterized in that includes:
the bottom of the first pressure-maintaining piece (1) is convexly provided with a first pressure head (11), and the bottom of the first pressure head (11) is provided with an adsorption hole;
the second pressure maintaining piece (2) is positioned below the first pressure maintaining piece (1) and movably sleeved on the first pressure head (11), and a second pressure head (21) is arranged at the bottom of the second pressure maintaining piece (2) in a protruding mode;
the driving piece (3) is connected to the first pressure retaining piece (1), the driving piece (3) can drive the second pressure retaining piece (2) to ascend to the bottom surface of the second pressure head (21) and not lower than the bottom surface of the first pressure head (11), so that the first pressure head (11) can adsorb the workpiece to be pressed through the top surface of the boss, and when the first pressure head (11) is configured to be pressed on the top surface of the boss by the bottom surface of the first pressure head (11), the driving piece (3) can also drive the second pressure retaining piece (2) to descend to the bottom surface of the second pressure head (21) to be attached to the top surface of the workpiece to be pressed and press the workpiece to be pressed.
2. The pressure maintaining mechanism according to claim 1, characterized in that the pressure maintaining mechanism further comprises a vertically arranged guide rod (4), the bottom of the guide rod (4) is connected to the second pressure maintaining member (2), the top of the guide rod (4) is movably arranged through the first pressure maintaining member (1), the output end (31) of the driving member (3) is connected to the guide rod (4), and the output end (31) can move along the vertical direction.
3. A dwell mechanism according to claim 2, characterized in that the dwell mechanism further comprises a connecting piece (5), the connecting piece (5) being located above the first dwell (1), the guide rods (4) being provided with at least two, the tops of at least two of the guide rods (4) being connected to the connecting piece (5), the output end (31) being connected to the connecting piece (5).
4. The pressure maintaining mechanism according to claim 3, wherein a detaching opening (51) is formed in the side wall of the connecting member (5), the detaching opening (51) penetrates through the top surface and the bottom surface of the connecting member (5), the driving member (3) is detachably connected to the first pressure maintaining member (1), the end of the output end (31) is connected to a connector (32), the connector (32) is inserted into the detaching opening (51), the upper end and the lower end of the side wall of the connector (32) are respectively provided with a limiting portion (321) in a protruding manner, the two limiting portions (321) can be abutted to the connecting member (5), and the connector (32) can be separated from the connecting member (5) through the opening end of the detaching opening (51).
5. The pressure maintaining mechanism according to claim 3, characterized by further comprising a pressure detecting assembly (6), wherein the pressure detecting assembly (6) is located below the connecting member (5), the pressure detecting assembly (6) comprises a pressure sensor (61) and an elastic member (62), the pressure sensor (61) is connected with the first pressing member (1), the elastic member (62) is vertically arranged, and one end of the elastic member (62) abuts against a detecting end (611) at the top of the pressure sensor (61), and the other end abuts against the bottom surface of the connecting member (5).
6. The pressure maintaining mechanism according to claim 5, characterized in that the pressure detecting assembly (6) further comprises a mounting member (63), the pressure sensor (61) is mounted on the mounting member (63), a strip-shaped hole (631) extending along the vertical direction is formed in the mounting member (63), and a fastening member (7) is arranged through the strip-shaped hole (631) and connected with the first pressing member (1);
and/or a gasket (64) is arranged on the detection end (611), the edge of the gasket (64) protrudes out of the edge of the detection end (611), and the end part of the elastic piece (62) abuts against the gasket (64).
7. The pressure maintaining mechanism according to any one of claims 1 to 6, characterized in that a first cushion pad (8) is provided on a bottom surface of the first ram (11), and a through hole (81) communicating with the adsorption hole is opened on the first cushion pad (8);
and/or a second buffer pad (9) is arranged on the bottom surface of the second pressure head (21).
8. The pressure maintaining mechanism according to any one of claims 1 to 6, characterized in that the second pressure maintaining member (2) is provided with a through hole, the through hole penetrates through the second pressure head (21), and the first pressure head (11) is movably arranged in the through hole.
9. Pressure maintaining mechanism according to any of claims 1-6, characterized in that the first pressure maintaining member (1) is provided with a mounting portion (12), the mounting portion (12) being provided with a mounting hole (13), the mounting hole (13) being adapted for connection to an external structure.
10. A dwelling device comprising a robot arm and a dwelling mechanism according to any one of claims 1-9, the robot arm having a movable end connected to the first dwelling member (1).
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| CN202210570559.2A CN114922891B (en) | 2022-05-24 | 2022-05-24 | Pressure maintaining mechanism and pressure maintaining device |
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| CN202210570559.2A CN114922891B (en) | 2022-05-24 | 2022-05-24 | Pressure maintaining mechanism and pressure maintaining device |
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| CN114922891B (en) | 2023-12-26 |
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