CN215620161U - Dead weight pressure maintaining mechanism - Google Patents
Dead weight pressure maintaining mechanism Download PDFInfo
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- CN215620161U CN215620161U CN202120609993.8U CN202120609993U CN215620161U CN 215620161 U CN215620161 U CN 215620161U CN 202120609993 U CN202120609993 U CN 202120609993U CN 215620161 U CN215620161 U CN 215620161U
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Abstract
The utility model relates to a dead weight pressure maintaining mechanism, which comprises: the top end of the connecting seat is provided with a limiting surface for bearing a workpiece; the pressing part is positioned above the limiting surface; the pressing part comprises a pressure head module and at least two groups of counterweight modules, and the counterweight modules are pressed at the top end of the pressure head module, so that the pressure head module is pressed on the workpiece, and the workpiece is driven to be adjusted from an inclined state to a balanced state; when the workpiece is in an inclined state, the counterweight module presses the pressure head module downwards so that the pressure head module presses the inclined vertex of the workpiece downwards, and the workpiece is driven to deflect to a balanced state; when the work piece is in balanced state, every group counter weight module acts on in the corresponding region of pressure head module pressfitting work piece, adjusts the work piece position and implements the pressurize to the work piece through this dead weight pressurize mechanism, has guaranteed the installation accuracy of work piece.
Description
Technical Field
The utility model relates to the field of nonstandard automatic assembly, in particular to a self-weight pressure maintaining mechanism.
Background
In the non-standard automation field, in the assembling process, when will be no less than two spare parts pressfitting and form wholly together, it is known always to adopt pressurize mechanism to carry out the pressurize to whole work piece, and the utility model discloses the people finds that current pressurize mechanism has following problem at least at the in-process of keeping pressure sheet spare:
firstly, part of the thin plate is not a flat surface, and the surface of the thin plate is arc-shaped, so that the assembly precision is difficult to ensure in the assembly process; because the surface of the workpiece is arc-shaped, the contact area of the surface is small in the assembling process, so that the situation that a sheet part deflects often occurs, therefore, the levelness of the workpiece needs to be adjusted firstly, and then the pressure of the workpiece is maintained;
however, in the actual pressure maintaining process, the gravity required for driving the workpiece to deflect when the workpiece is adjusted is larger than the gravity required when the pressure is maintained, and the existing pressure maintaining mechanism is not easy to adjust the gravity according to the assembly position of the workpiece, so that the requirements of different gravities during workpiece adjustment or pressure maintaining are difficult to meet simultaneously, and if the counterweight block meets the requirement of adjusting the gravity of the workpiece, the gravity of the counterweight block is easy to damage the workpiece in the pressure maintaining process; and if the balancing weight satisfies the required gravity of work piece pressurize, the gravity of balancing weight is difficult to drive the work piece and deflects, has resulted in the effect of current pressurize mechanism pressurize sheet spare unsatisfactory.
In view of the above, it is necessary to develop a self-weight pressure maintaining mechanism to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides a self-weight pressure maintaining mechanism which is used for adjusting a workpiece to a balanced state by pressing a plurality of groups of counterweight modules on the workpiece through self-weight, and adjusting the gravity required for adjusting the workpiece and the pressure maintaining workpiece according to the position of the workpiece by pressing the single group of counterweight modules in different areas of the workpiece after the workpiece is in the balanced state.
In order to achieve the above object and other advantages in accordance with the present invention, there is provided a self-weight pressure maintaining mechanism including:
the top end of the connecting seat is provided with a limiting surface for bearing a workpiece; and
the pressing part is positioned above the limiting surface;
the pressing part comprises a pressure head module and at least two groups of counterweight modules, and the counterweight modules are pressed down at the top end of the pressure head module, so that the pressure head module is pressed down on a workpiece, and the workpiece is driven to be adjusted from an inclined state to a balanced state;
when the workpiece is in an inclined state, the balance weight module presses down the pressure head module so that the pressure head module presses down at the inclined vertex of the workpiece, and the workpiece is driven to deflect to a balanced state; when the workpiece is in a balanced state, each group of counterweight modules acts on the corresponding area of the pressing head module pressing workpiece.
Preferably, the pressing head module comprises a base plate and a pressure maintaining block formed by extending outwards from one side surface of the base plate, and the counterweight module presses downwards on the other side surface corresponding to the base plate;
the pressure maintaining blocks are pressed on the circumferential area of the workpiece, and the gravity center line of each group of the counterweight module is positioned on the outer side of the pressure maintaining block.
Preferably, the pressure maintaining block is provided with a hollow cavity to form a pressing structure with an annular bulge of the pressure maintaining block.
Preferably, a sunken vacancy is formed in the pressure maintaining block and used for yielding the workpiece.
Preferably, the vacancy comprises a first vacancy and a second vacancy, the pressure-holding block is of a rectangular structure, and the first vacancy and the second vacancy are respectively arranged at two adjacent corners of the pressure-holding block.
Preferably, the pressing part comprises a guide module, the pressing head module is pressed on the workpiece under the action of a driving force, and the counterweight module is limited by the guide module to slide along the vertical direction.
Preferably, the pressing part further comprises a pressing driver and a driving plate mounted on a power output end of the pressing driver, the pressing driver is mounted on the limiting surface, and the pressing driver is used for providing a driving force for pressing the pressing head module on the workpiece;
the counterweight module is connected with the driving plate in a sliding mode through the guide module, and the pressing driver drives the driving plate to move in a direction parallel to the sliding direction of the driving plate.
Preferably, the lifting device further comprises a lifting part, and the lifting part is mounted on the connecting seat so as to be located below the limiting surface;
and a driving force is provided by the jacking part to drive the workpiece to move, so that the pressure head module is pressed on the workpiece.
Preferably, a through hole is formed in the limiting surface, the jacking portion comprises a jacking driver and a jacking plate installed on the jacking driver, the jacking plate is used for bearing a workpiece, the jacking plate drives the workpiece to be lifted to be attached to the lower surface of the jacking plate under the driving of the jacking driver, and the pressure head module penetrates through the through hole and is pressed on the workpiece.
Preferably, the counterweight module comprises a mounting seat and a counterweight block placed on the mounting seat;
the mounting seat is the L type, the balancing weight holds and puts the corner of mounting seat, the pressure head module is installed the bottom of mounting seat.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a self-weight pressure maintaining mechanism, which is simple in structure and convenient to use.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a perspective view of a first perspective view according to an embodiment of the present invention;
FIG. 2 is a perspective view of a second perspective view according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a first perspective of a pressing portion according to an embodiment of the present invention;
FIG. 4 is a perspective view of a second perspective view of the pressing portion according to an embodiment of the present invention;
FIG. 5 is a partial schematic view of a bonding portion according to an embodiment of the present invention;
FIG. 6 is a schematic perspective view of a ram module according to an embodiment of the present invention;
FIG. 7 is a third perspective view illustrating a three-dimensional structure of a pressing portion according to an embodiment of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7;
FIG. 9 is a force analysis diagram of the first press state according to an embodiment of the present invention;
fig. 10 is a force analysis diagram of the second pressing state according to an embodiment of the utility model.
Description of reference numerals:
251. a press-fit portion;
2511. a pressure head module; 25111. a substrate; 25112. a pressure maintaining block; 25113. a hollow cavity; 25114. a first vacancy; 25115. a second vacancy;
2512. a drive plate;
2513. a counterweight module; 25131. a mounting seat; 25132. a balancing weight; 35133. a counterweight column;
2514. pressing the driver;
2515. a support;
2516. a guide module;
252. a connecting seat;
2521. a limiting surface;
2522. a through hole;
2523. a positioning column;
253. a jacking portion;
2531. a jacking driver; 2532. and (4) jacking the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar language throughout the specification is not intended to imply any order, quantity, or importance, but rather the intention is to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc., are defined with respect to the configurations shown in the respective drawings, and in particular, "height" corresponds to a dimension from top to bottom, "width" corresponds to a dimension from left to right, "depth" corresponds to a dimension from front to rear, which are relative concepts, and thus may be varied accordingly depending on the position in which it is used, and thus these or other orientations should not be construed as limiting terms.
Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.
According to an embodiment of the present invention, as shown in fig. 1 and 2, it can be seen that a self-weight pressure maintaining mechanism includes:
a connecting seat 252 having a top end provided with a limiting surface 2521 for receiving a workpiece; and
the pressing portion 251 is located above the limiting surface 2521;
correspondingly, the pressing portion 251 includes a pressing head module 2511 and at least two groups of weight modules 2513, the weight modules 2513 press down the top end of the pressing head module 2511, so that the pressing head module 2511 presses down on the workpiece, thereby driving the workpiece to adjust from an inclined state to a balanced state;
in a preferred embodiment, the number of the weight modules 2513 is two; the pressing head module 2511 is simultaneously installed at the bottom of the two counterweight modules 2513;
the pressing head module 2511 comprises a base plate 25111 and a pressure maintaining block 25112 formed by extending outwards from one side surface of the base plate 25111, the weight module 2513 presses downwards on the other corresponding side surface of the base plate 25111, and the two weight modules 2513 are received on the base plate 25111;
specifically, the pressure maintaining block 25112 is pressed on a circumferential region of the workpiece, and a center line of gravity of each group of the weight modules 2513 is located outside the pressure maintaining block 25112.
In the process of assembling the workpiece, due to the shape of the workpiece, the assembling position is not at an ideal position, a pressing mechanism is needed to press and adjust the position of the workpiece, and meanwhile, the workpiece is connected more stably in a pressure maintaining mode; when a workpiece is assembled, the workpiece can be in an inclined state or a balanced state, the inclined state is that the workpiece is inclined relative to a pressing surface of the pressing head module 2511, so that the contact area between the workpiece and the pressing head module 2511 is small, the balanced state is that the levelness of the workpiece is consistent with the pressing surface of the pressing head module 2511, when the workpiece is in the balanced state, the self-weight pressure maintaining mechanism maintains pressure on the workpiece, and when the workpiece is in the inclined state, the counterweight module 2513 presses down the pressing head module 2511, so that the pressing head module 2511 presses down at an inclined vertex of the workpiece, and the workpiece is driven to deflect to the balanced state; when the workpiece is in a balanced state, each set of the weight modules 2513 acts on the corresponding region of the pressing head module 2511 for pressing the workpiece.
The specific pressure maintaining principle comprises the following steps: when the workpiece is in an inclined state, as shown in fig. 9, the top position of the workpiece inclination is a position abutting against the pressing head module 2511, and at this time, because the two counterweight modules 2513 press down on the pressing head module 2511, the gravity borne by the position of the workpiece abutting against the pressing head module 2511 is the gravity sum G of the two counterweight modules 2513, and the position of the workpiece abutting against the pressing head module 2511 is opposite to the pressing head dieSupporting force F of group 2511NIn line with G, the ram set 2511 therefore exerts a greater force on the workpiece in the position of abutment when the workpiece is in the tilted condition, so that the workpiece can deflect to the equilibrium condition under the urging of that force.
When the workpiece is in a balanced state, as shown in fig. 10, since the center line of gravity of each set of the weight modules 2513 is located outside the pressure maintaining block 25112, the gravity g of each set of the weight modules 2513 corresponds to the supporting force F of the part of the pressure maintaining block 25112, which is in contact with the workpiece, adjacent to the supporting force FNSo that the two weight modules 2513 respectively apply acting forces to the two parts of the pressure maintaining block 25112, and the gravity acting on the pressure maintaining block 25112 is G, wherein G is>g; therefore, when the workpiece is in different states, the gravity of the counterweight module 2513 on the workpiece is different, so as to meet different pressures required in the process of adjusting the position of the workpiece or maintaining the pressure.
The pressure maintaining block 25112 is provided with a hollow cavity 25113 to form a pressing structure with an annular protrusion of the pressure maintaining block 25112, so that the pressure maintaining block 25112 is pressed on the circumferential region of the workpiece.
The pressure maintaining block 25112 is provided with a concave vacancy which is used for yielding the workpiece, the workpiece is also provided with a wearing part, the wearing part is easy to damage by pressing, and the vacancy is formed at the position corresponding to the wearing part on the workpiece, so that the wearing part is prevented from being damaged by pressing.
Specifically, the vacancy positions include a first vacancy position 25114 and a second vacancy position 25115, the pressure-holding block 25112 is of a rectangular structure, and the first vacancy position 25114 and the second vacancy position 25115 are respectively arranged at two adjacent corners of the pressure-holding block 25112.
The pressing portion 251 includes a guiding module 2516, and the pressing head 2511 is pressed on the workpiece under a driving force, and the weight module 2513 is limited by the guiding module 2516 to slide in a vertical direction.
The pressing portion 251 further includes a pressing driver 2514 and a driving board 2512 installed on a power output end of the pressing driver 2514, the pressing driver 2514 is installed on the limiting surface 2521, and the pressing driver 2514 is used for providing a driving force for pressing the pressing head module 2511 on a workpiece;
the weight module 2513 is slidably connected with the driving plate 2512 through the guide module 2516, and the pressing driver 2514 drives the driving plate 2512 to move in a direction parallel to the sliding direction of the driving plate 2512; the pressing driver 2514 drives the driving plate 2512 to drive the pressing head module 2511 to move downwards until the pressing head module 2511 is abutted to the workpiece, and when the pressing driver 2514 continues to drive the driving plate 2512 to move downwards, the pressing head module 2511 slides upwards relative to the driving plate 2512, so that the gravity of the counterweight module 2513 presses the workpiece downwards.
The self-weight pressure maintaining mechanism further comprises a lifting part 253, wherein the lifting part 253 is installed on the connecting seat 252 so as to be positioned below the limiting surface 2521; in a preferred embodiment, the connecting seat 252 is C-shaped, the limiting surface 2521 forms a top structure of the connecting seat 252, and the lifting portion 253 is located in a hollow cavity of the connecting seat 252;
the lifting portion 253 provides a driving force to drive the workpiece to move, the workpiece moves upwards to enable the workpiece to abut against the pressing head module 2511, and the pressing head module 2511 is continuously pushed to move upwards to the counterweight module 2513 to press the workpiece under the gravity.
The limiting surface 2521 is provided with a through hole 2522, the jacking portion 253 comprises a jacking driver 2531 and a jacking plate 2532 installed on the jacking driver 2531, the jacking plate 2532 is used for receiving a workpiece, under the driving of the jacking driver 2531, the jacking plate 2532 drives the workpiece to be lifted to be attached to the lower surface of the jacking plate 2532, and the pressing head module 2511 penetrates through the through hole 2522 and is pressed on the workpiece.
In the preferred embodiment, the self-weight pressure maintaining mechanism is provided with the lifting portion 253 and the pressing actuator 2514 at the same time, the pressing portion 251 further comprises a support 2515 for receiving the pressing portion 251, the support 2515 is mounted on the upper surface of the limiting surface 2521, the pressing actuator 2514 is mounted on the support 2515, and the driving plate 2512 and the support 2515 are connected through the guide module 2516, so that the driving plate 2512 slides on the support 2515.
The lifting part 253 is arranged below the limiting surface 2521, a positioning column 2523 for limiting the position of a workpiece is arranged on the lower surface of the limiting surface 2521, and the workpiece is pushed by the lifting part 253 to be sleeved on the positioning column 2523, so that the workpiece is positioned, and the assembly precision is improved.
The counterweight module 2513 comprises a mounting seat 25131 and a counterweight 25132 placed on the mounting seat 25131, and the counterweight module 2513 is circumferentially arranged around the centerline direction of the pressure head module 2511; in the preferred embodiment, the two counterweight modules 2513 are symmetrically arranged along the center line of the pressing head module 2511;
the mounting seat 25131 is the L type, the balancing weight 25132 holds the corner of mounting seat 25131, the pressure head module 2511 is installed the bottom of mounting seat 25131, install the restriction on the mounting seat 25131 the counter weight post 35133 of balancing weight 25132, the balancing weight 25132 cover is established on the counter weight post 35133, it provides the gravity pressfitting work piece to pile the balancing weight 25132 for the pressure head module 2511.
While embodiments of the utility model have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application of the utility model, and further modifications may readily be effected by those skilled in the art, so that the utility model is not limited to the specific details without departing from the general concept defined by the claims and the scope of equivalents.
Claims (10)
1. A dead weight pressurize mechanism, its characterized in that includes:
a connecting seat (252), the top end of which is provided with a limit surface (2521) for bearing a workpiece; and
a pressing part (251) which is positioned above the limiting surface (2521);
the pressing part (251) comprises a pressing head module (2511) and at least two groups of counterweight modules (2513), wherein the counterweight modules (2513) are pressed down at the top end of the pressing head module (2511), so that the pressing head module (2511) is pressed down on a workpiece, and the workpiece is driven to be adjusted from an inclined state to a balanced state;
when the workpiece is in an inclined state, the counterweight module (2513) presses down the pressing head module (2511) so that the pressing head module (2511) presses down at the inclined vertex of the workpiece, and then the workpiece is driven to deflect to a balanced state; when the workpiece is in a balanced state, each group of the counterweight modules (2513) acts on the corresponding region of the pressing head module (2511) for pressing the workpiece.
2. The self-weight pressure maintaining mechanism according to claim 1, wherein the pressure head module (2511) comprises a base plate (25111) and a pressure maintaining block (25112) formed by extending outwards from one side surface of the base plate (25111), and the weight module (2513) presses downwards on the other corresponding side surface of the base plate (25111);
the pressure maintaining block (25112) is pressed on the circumferential region of the workpiece, and the center line of gravity of each group of the counterweight module (2513) is positioned on the outer side of the pressure maintaining block (25112).
3. The self-weight pressure maintaining mechanism of claim 2, wherein the pressure maintaining block (25112) is provided with a hollow cavity (25113) to form a pressing structure with an annular protrusion of the pressure maintaining block (25112).
4. The self-weight pressure maintaining mechanism of claim 2, wherein the pressure maintaining block (25112) is provided with a recessed vacancy, and the vacancy is used for giving way to a workpiece.
5. The self-weight pressure maintaining mechanism of claim 4, wherein the vacant positions comprise a first vacant position (25114) and a second vacant position (25115), the pressure maintaining block (25112) is of a rectangular structure, and the first vacant position (25114) and the second vacant position (25115) are respectively arranged at two adjacent corners of the pressure maintaining block (25112).
6. The self-weight pressure maintaining mechanism according to any one of claims 1 to 5, wherein the pressing portion (251) comprises a guide module (2516), the pressing head module (2511) is pressed on the workpiece under a driving force, and the counterweight module (2513) is limited by the guide module (2516) to slide in a vertical direction.
7. The self-weight pressure maintaining mechanism according to claim 6, wherein the pressing portion (251) further comprises a pressing driver (2514) and a driving plate (2512) mounted on a power output end of the pressing driver (2514), the pressing driver (2514) is mounted on the limiting surface (2521), and the pressing driver (2514) is used for providing a driving force for pressing the pressing head module (2511) on the workpiece;
the weight module (2513) is connected with the driving plate (2512) in a sliding mode through the guide module (2516), and the pressing driver (2514) drives the driving plate (2512) to move in a direction parallel to the sliding direction of the driving plate (2512).
8. The self-weight pressure maintaining mechanism according to claim 6, further comprising a lifting portion (253), the lifting portion (253) being mounted on the connecting seat (252) so as to be located below the stopper surface (2521);
and a driving force is provided by the jacking part (253) to drive the workpiece to move, so that the pressing head module (2511) is pressed on the workpiece.
9. The self-weight pressure maintaining mechanism of claim 8, wherein the limiting surface (2521) is provided with a through hole (2522), the lifting portion (253) comprises a lifting actuator (2531) and a lifting plate (2532) mounted on the lifting actuator (2531), the lifting plate (2532) is used for receiving a workpiece, the lifting plate (2532) drives the workpiece to be lifted to fit on the lower surface of the lifting plate (2532) under the driving of the lifting actuator (2531), and the pressing head module (2511) passes through the through hole (2522) and is pressed on the workpiece.
10. The self-weight pressure maintaining mechanism according to any one of claims 1 to 5, wherein the counterweight module (2513) comprises a mounting seat (25131) and a counterweight (25132) placed on the mounting seat (25131);
the mounting seat (25131) is L-shaped, the balancing weight (25132) is placed at the corner of the mounting seat (25131), and the pressure head module (2511) is mounted at the bottom of the mounting seat (25131).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120609993.8U CN215620161U (en) | 2021-03-25 | 2021-03-25 | Dead weight pressure maintaining mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120609993.8U CN215620161U (en) | 2021-03-25 | 2021-03-25 | Dead weight pressure maintaining mechanism |
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| CN215620161U true CN215620161U (en) | 2022-01-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895554A (en) * | 2021-03-25 | 2021-06-04 | 苏州富强科技有限公司 | Dead weight pressure maintaining mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895554A (en) * | 2021-03-25 | 2021-06-04 | 苏州富强科技有限公司 | Dead weight pressure maintaining mechanism |
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