Pneumatic prepressing device

Abstract

The utility model discloses a pneumatic pre-pressing device which comprises an operation supporting platform, a pre-pressing assembly arranged on the operation supporting platform and a pressing frame arranged on the pre-pressing assembly. The pre-pressing assembly comprises an upper supporting plate, a lower supporting plate, a guide column connected with the upper supporting plate and the lower supporting plate, a movable pressing plate arranged between the upper supporting plate and the lower supporting plate and a pressing air cylinder arranged on the upper portion of the upper supporting plate, and an air cylinder shaft of the pressing air cylinder penetrates through the upper supporting plate to be connected with the movable pressing plate. The upper connecting plate and the lower connecting plate are connected with the bottom of the movable pressing plate, the side edge connecting plate is connected with the upper connecting plate and the lower connecting plate, a pressing block is arranged at the bottom of the lower connecting plate, and a plurality of guide sleeves are arranged on the lower connecting plate. After the device is used for assembling, the consistency of products is better, and the phenomenon that the surfaces of locked parts are uneven due to the fact that the parts are not flatly placed and are not flatly pressed in time can be effectively avoided.

Description

Technical Field

[0001] The utility model relates to the field of production devices, and in particular to a pneumatic pre-pressing device. Background Art

[0002] A complete product is generally assembled from multiple components, and most of the components are locked by screws. However, when actually assembling the product, if a plane needs to continuously lock three or more screws, directly locking with screws often causes uneven locking on the surface of the parts or warping in local areas. Therefore, it is necessary to press and flatten the parts to be combined before locking the screws to overcome the above defects. Thus, the purpose of the utility model is to research and develop a device that can press the parts for screw locking. Content of the Utility Model

[0003] The purpose of the utility model is to provide a pneumatic pre-pressing device. The product assembled by using the pneumatic pre-pressing device of the utility model has more stable, reliable and better consistency in quality.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A pneumatic pre-pressing device includes an operation support platform, a pre-pressing component arranged on the operation support platform, and a pressing frame arranged on the pre-pressing component.

[0006] The pre-pressing component includes an upper support plate, a lower support plate, guide columns connecting the upper support plate and the lower support plate, a movable pressure plate arranged between the upper support plate and the lower support plate, and a pressing cylinder arranged on the upper part of the upper support plate. The cylinder shaft of the pressing cylinder passes through the upper support plate and is connected to the movable pressure plate.

[0007] The pressing frame includes an upper connecting plate connected to the bottom of the movable pressure plate, a lower connecting plate, side connecting plates connecting the upper connecting plate and the lower connecting plate. A pressing block is arranged at the bottom of the lower connecting plate, and a plurality of guide sleeves are arranged on the lower connecting plate.

[0008] Further, grating mounting columns are respectively arranged on both sides of the lower support plate, and safety gratings are arranged on the grating mounting columns.

[0009] Further, a linear bearing is sleeved at the connection of the guide column and the movable pressure plate.

[0010] Further, a main pressure regulating valve and a pressure regulating valve for the air inlet of the pressing cylinder are arranged on the upper support plate, and a cylinder downward pressing button is also arranged on the lower support plate.

[0011] Further, reinforcing plates are arranged at the connections of the upper connecting plate, the lower connecting plate and the side connecting plates.

[0012] Further, the operation support platform includes a platform board, platform columns, a caster connecting plate disposed below the platform columns, and casters disposed on the caster connecting plate.

[0013] Further, four guide columns distributed in a square shape are disposed between the upper support plate and the lower support plate.

[0014] Adopting the technical solution of the present utility model has the following beneficial effects: By pressing the product and then locking the screws, the consistency of the product is better, effectively overcoming the phenomenon of warping in local areas; In order to ensure uniform pressure, 4 guide columns + linear bearings are used for guiding; Safety gratings and two-hand operation buttons are adopted for the safety of operators; A stroke-adjustable cylinder is selected for the adjustable pressing stroke. Description of the Drawings

[0015] Figure 1 It is a schematic structural view of the pneumatic pre-pressing device of the present utility model;

[0016] Figure 2 It is a schematic structural view of the pre-pressing assembly of the present utility model;

[0017] Figure 3 It is a schematic structural view of the pressing frame of the present utility model;

[0018] Figure 4 It is a schematic structural view of the operation support platform of the present utility model. Detailed Embodiments

[0019] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0020] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific circumstances.

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0022] See Figures 1-4 As shown, a pneumatic preloading device includes an operation support platform 3, a preloading assembly 1 provided on the operation support platform 3, and a pressing frame 2 provided on the preloading assembly 1. Among them,

[0023] The preloading assembly 1 includes an upper support plate 12, a lower support plate 18, guide columns 15 connecting the upper support plate 12 and the lower support plate 18, a movable pressing plate 14 provided between the upper support plate 12 and the lower support plate 18, and a pressing cylinder 11 provided on the upper part of the upper support plate 12. The cylinder shaft of the pressing cylinder 11 passes through the upper support plate 12 and is connected to the movable pressing plate 14; specifically, a linear bearing 13 is sleeved at the connection of the guide column 15 and the movable pressing plate 14. A total pressure regulating valve 121 and a pressing cylinder intake pressure regulating valve 122 are provided on the upper support plate 12. A cylinder pressing button 181 is further provided on the lower support plate 18. Four guide columns 15 distributed in a square shape are provided between the upper support plate 12 and the lower support plate 18, and a direct line bearing 13 is sleeved at the connection of each guide column 15 and the movable pressing plate 14;

[0024] In this embodiment, the pressing frame 2 has a square structure and includes an upper connecting plate 21 connected to the bottom of the movable pressing plate 14, a lower connecting plate 25, side connecting plates 23 connecting the upper connecting plate 21 and the lower connecting plate 25. A pressing block 26 is provided at the bottom of the lower connecting plate 25. A plurality of guide sleeves 24 are provided on the lower connecting plate 25. The actual number of the guide sleeves 24 can be set according to actual needs, such as being set to 3, 4, 5, etc. Reinforcing plates 22 are provided at the connections of the upper connecting plate 21 and the lower connecting plate 25 with the side connecting plates 23.

[0025] The operation support platform includes a platform plate 31, platform struts 32, a caster connecting plate 33 disposed below the platform struts 32, and casters 34 disposed on the caster connecting plate.

[0026] As a preferred embodiment of the present utility model, grating mounting posts 16 are respectively disposed on both sides of the lower support plate 18, and a safety grating 17 is disposed on the grating mounting posts 16.

[0027] The operation process of the pneumatic preloading device of the present utility model:

[0028] Manually take the product and place it into the positioning fixture - put in 3 screws for assembly - press the "down pressing button 181" with both hands at the same time - the pressing cylinder 11 drives the movable pressing plate 14 and the pressing frame 2 to move downward - until the pressing block 26 presses the product to be assembled tightly - hold the electric screwdriver and lock the product under the guidance of the guide sleeve 24 - after locking, press the "down pressing button 181" with both hands at the same time, and the pressing cylinder 11 moves upward and resets to the initial state - take out the product - repeat the above steps.

[0029] In summary, after assembling with the device of the present utility model, the product consistency is better, and it can effectively solve the phenomenon that the surface of the part is uneven after locking due to the part not being placed flat in time and not being flattened in time.

[0030] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes falling within the meaning and scope of the equivalent elements of the claims in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0031] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A pneumatic preloading device, comprising an operation support platform, a preloading assembly disposed on the operation support platform, and a pressing frame disposed on the preloading assembly, characterized in that: The preloading assembly includes an upper support plate, a lower support plate, guide columns connecting the upper support plate and the lower support plate, a movable pressure plate disposed between the upper support plate and the lower support plate, and a pressing cylinder disposed on the upper part of the upper support plate. The cylinder shaft of the pressing cylinder passes through the upper support plate and is connected to the movable pressure plate; The pressing frame includes an upper connecting plate connected to the bottom of the movable pressure plate, a lower connecting plate, and side connecting plates connecting the upper connecting plate and the lower connecting plate. A pressing block is disposed at the bottom of the lower connecting plate, and a plurality of guide sleeves are disposed on the lower connecting plate.

2. The pneumatic preloading device according to claim 1, characterized in that: Raster mounting columns are respectively disposed on both sides of the lower support plate, and safety rasters are disposed on the raster mounting columns.

3. The pneumatic preloading device according to claim 1, characterized in that: A linear bearing is sleeved at the connection between the guide column and the movable pressure plate.

4. The pneumatic preloading device according to claim 1, characterized in that: A total pressure regulating valve and a pressure regulating valve for the inlet air of the pressing cylinder are disposed on the upper support plate, and a cylinder pressing down button is further disposed on the lower support plate.

5. The pneumatic preloading device according to claim 1 or 2, characterized in that: Reinforcing plates are disposed at the connections between the upper connecting plate and the lower connecting plate and the side connecting plates.

6. The pneumatic preloading device according to claim 5, characterized in that: The operation support platform includes a platform plate, platform columns, a caster connecting plate disposed below the platform columns, and casters disposed on the caster connecting plate.

7. The pneumatic preloading device according to claim 3, characterized in that: Four guide columns distributed in a square shape are disposed between the upper support plate and the lower support plate.

Images