Pressing device with pressure breakdown prevention structure

Abstract

The application discloses a press device with anti-pressing structure, which comprises a table device for placing anti-skid aluminum motor end cover, a pressing device for pressing bearing into the aluminum motor end cover is installed on the top of the table device, a pre-pressing device for pre-pressing the aluminum motor end cover is arranged on the pressing device, and a positioning device for positioning through the inner hole of the aluminum motor end cover is installed in the middle of the table device; the positioning device comprises a second oil cylinder, a guide column is installed at the telescopic end of the second oil cylinder, a lower boss is arranged on the top of the guide column, a plurality of receiving grooves are uniformly distributed on the circumference of the guide column, and a positioning plate spring is arranged in the receiving groove. The inner hole positioning of the aluminum motor end cover is arranged, the positioning precision is improved, and the press damage is prevented; the elastic expansion of the positioning plate spring is arranged, the positioning of the aluminum motor end cover is reliable, and the pre-pressing of the aluminum motor end cover is arranged, so that the aluminum motor end cover is prevented from shaking.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of aluminum motor end cover, in particular to a pressing device with anti-pressing damage structure. BACKGROUND

[0002] The motor end cover is a cover installed on the end face of the machine shell, used to form a closed space, protect the internal structure, and fix the bearing to support the output shaft rotation. The bearing is generally installed in tight fit, and needs to be pressed and installed with the motor end cover.

[0003] The patent with the application number CN202023118118.4 discloses a pressing device for motor end cover processing, which includes a workbench, a pressing table for placing bearings and motor end covers is fixed on the surface center of the workbench, a mounting hole penetrating through the pressing table is formed on the top surface of the pressing table, a positioning column for bearing positioning is embedded in the mounting hole, a first spring fixed to the bottom of the positioning column is arranged inside the pressing table, a rack is fixed on the surface of the workbench, a top pressing cylinder located directly above the pressing table is fixed on the rack, a top pressing block is fixed on the bottom of the top pressing cylinder, and a top pressing column is arranged on the bottom of the top pressing block and inserted into the mounting hole.

[0004] The above patent positions the motor end cover outer edge, which cannot guarantee the concentricity of the inner hole and the bearing, reduces the positioning accuracy, and is easy to damage during pressing. Therefore, a new device needs to be designed, the present application improves the positioning accuracy by positioning the inner hole of the aluminum motor end cover, prevents damage, ensures reliable positioning of the aluminum motor end cover by the elastic expansion of the positioning plate spring, and avoids shaking of the aluminum motor end cover by pre-pressing the aluminum motor end cover. SUMMARY

[0005] The purpose of the present application is to provide a pressing device with anti-pressing damage structure to solve the above problems.

[0006] The present application realizes the above-mentioned purpose through the following technical solutions:

[0007] A pressing device with anti-pressing damage structure, including a table device for placing aluminum motor end cover anti-skid, a pressing device for pressing the bearing into the aluminum motor end cover is installed on the top of the table device, a pre-pressing device for pre-pressing the aluminum motor end cover is arranged on the pressing device, and a positioning device for positioning the inner hole of the aluminum motor end cover is installed in the middle of the table device; the positioning device includes a second oil cylinder, a guide column is installed on the telescopic end of the second oil cylinder, a lower boss is arranged on the top of the guide column, a plurality of receiving grooves are uniformly distributed on the circumference of the guide column, and a positioning plate spring is arranged in the receiving groove.

[0008] Preferably, the table device comprises a support table, the support table is pasted with a non-slip pad, a guide sleeve is installed in the middle of the support table, and a fixing frame is arranged above the guide sleeve.

[0009] Preferably, the pressing-down device comprises a first oil cylinder, a pressing head is installed at the telescopic end of the first oil cylinder, an upper boss is arranged at the bottom of the pressing head, and a fixing plate is installed at the top of the pressing head.

[0010] Preferably, the pre-pressing device comprises a pre-pressing ring, four slide rods are uniformly distributed on the pre-pressing ring, a return spring is installed on the slide rod, and a baffle is installed at the top of the slide rod.

[0011] Preferably, the guide sleeve is made of No. 20 steel material, and the guide sleeve and the support table are riveted together.

[0012] Preferably, the fixing plate is in the shape of a disc, and the fixing plate and the pressing head are welded together.

[0013] Preferably, the pre-pressing ring is in the shape of a circular ring.

[0014] Preferably, the slide rod and the pre-pressing ring are welded together, and the baffle and the slide rod are bolted.

[0015] Preferably, the receiving groove and the positioning plate spring are respectively provided with three, and the positioning plate spring and the guide column are bolted.

[0016] Preferably, the length of the guide column is 45 cm.

[0017] Compared with the prior art, the beneficial effects of the present application are as follows:

[0018] 1. The setting of the aluminum motor end cover inner hole positioning improves the positioning accuracy and prevents crushing;

[0019] 2. The setting of the elastic extension of the positioning plate spring ensures that the aluminum motor end cover is always positioned reliably;

[0020] 3. The setting of the pre-pressing of the aluminum motor end cover avoids the shaking of the aluminum motor end cover. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0022] Figure 1is a structural schematic view of the pressing device with the anti-crushing structure;

[0023] Figure 2 is a schematic view of the table device of the pressing device with the anti-crushing structure;

[0024] Figure 3 is a right view of the table device of the pressing device with the anti-crushing structure;

[0025] Figure 4 is a schematic view of the pressing device with the anti-crushing structure;

[0026] Figure 5 is a right view of the pressing device with the anti-crushing structure;

[0027] Figure 6 is a schematic view of the pressing device with the anti-crushing structure;

[0028] Figure 7 is a schematic view of the pressing device with the anti-crushing structure.

[0029] The sign of the drawing is explained as follows:

[0030] 1, table device; 101, support table; 102, fixed frame; 103, guide sleeve; 104, anti-skid pad; 2, pressing device; 201, first oil cylinder; 202, pressing head; 203, fixed plate; 204, upper boss; 3, pre-pressing device; 301, pre-pressing ring; 302, sliding rod; 303, baffle; 304, reset spring; 4, positioning device; 401, second oil cylinder; 402, guide column; 403, lower boss; 404, storage groove; 405, positioning plate spring. DETAILED DESCRIPTION

[0031] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are used only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0032] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art will understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0033] The present invention will be further described below with reference to the accompanying drawings:

[0034] like Figures 1-7 As shown, a pressing device with an anti-damage structure includes a table device 1 for placing an aluminum motor end cover to prevent slippage, a pressing device 2 for pressing down the bearing to embed into the aluminum motor end cover is installed on the top of the table device 1, a pre-pressing device 3 for pre-pressing down and fixing the aluminum motor end cover is provided on the pressing device 2, and a positioning device 4 installed in the middle of the table device 1 for positioning through the inner hole of the aluminum motor end cover.

[0035] In this embodiment: the table device 1 includes a support platform 101, an anti-slip mat 104 is attached to the support platform 101, a guide sleeve 103 is installed in the middle of the support platform 101, a fixing frame 102 is provided above the guide sleeve 103, the guide sleeve 103 is made of No. 20 steel, the guide sleeve 103 and the support platform 101 are riveted together, the aluminum motor end cap is placed on the anti-slip mat 104 of the support platform 101, and the guide sleeve 103 is used to guide the movement of the guide column 402;

[0036] In this embodiment: the pressing device 2 includes a first oil cylinder 201, the telescopic end of the first oil cylinder 201 is provided with a pressing head 202, the bottom of the pressing head 202 is provided with an upper boss 204, the top of the pressing head 202 is provided with a fixed plate 203, the fixed plate 203 is disc-shaped, the fixed plate 203 and the pressing head 202 are welded together, the fixed frame 102 supports the first oil cylinder 201 to extend and push the pressing head 202 to press down, so that the upper boss 204 is also inserted into the bearing positioning, finally the bearing is pressed into the aluminum motor end cover to complete the pressing;

[0037] In this embodiment: the pre-pressing device 3 includes a pre-pressing ring 301, the pre-pressing ring 301 is uniformly provided with four slide rods 302, the slide rods 302 are provided with return springs 304, the top of the slide rods 302 is provided with baffles 303, the pre-pressing ring 301 is ring-shaped, the slide rods 302 and the pre-pressing ring 301 are welded together, the baffles 303 and the slide rods 302 are bolted, the pre-pressing ring 301 first contacts the aluminum motor end cover, the fixed plate 203 presses down the pre-pressing ring 301 through the return springs 304, under the guidance of the slide rods 302, the pre-pressing ring 301 presses the aluminum motor end cover tightly on the non-slip pad 104;

[0038] In this embodiment: the positioning device 4 includes a second oil cylinder 401, the telescopic end of the second oil cylinder 401 is provided with a guide column 402, the top of the guide column 402 is provided with a lower boss 403, the guide column 402 is uniformly provided with a plurality of receiving grooves 404, the receiving grooves 404 are provided with positioning plate springs 405, the receiving grooves 404 and the positioning plate springs 405 are provided with three respectively, the positioning plate springs 405 and the guide column 402 are bolted, the length of the guide column 402 is 45 cm, the second oil cylinder 401 extends to push the guide column 402 to ascend along the guide sleeve 103 and pass through the inner hole in the middle of the aluminum motor end cover, at the same time, the positioning plate springs 405 are ejected from the receiving grooves 404 under the elastic action, clamping the inner hole of the aluminum motor end cover to position, so that the aluminum motor end cover is centered, the bearing is placed on the guide column 402 and inserted into the lower boss 403 to position, the second oil cylinder 401 is retracted, so that the positioning plate springs 405 are forced to enter the receiving grooves 404.

[0039] Working principle: the aluminum motor end cover is placed on the non-slip pad 104 of the support table 101, the second oil cylinder 401 is extended to push the guide column 402 to ascend along the guide sleeve 103 and pass through the inner hole in the middle of the aluminum motor end cover, while the positioning plate spring 405 is ejected from the storage groove 404 under the elastic action, clamps the inner hole of the aluminum motor end cover to position, the aluminum motor end cover is centered, the bearing is placed on the guide column 402 and inserted into the lower boss 403 to position, the fixed frame 102 supports the first oil cylinder 201 to extend to push the lower pressing head 202 to press down, so that the upper boss 204 is also inserted into the bearing to position, then the first oil cylinder 201 continues to extend, while the second oil cylinder 401 retracts, the clamped bearing moves down, the pre-pressing ring 301 first contacts the aluminum motor end cover, the fixed plate 203 presses down the pre-pressing ring 301 through the reset spring 304, under the guidance of the sliding rod 302, the pre-pressing ring 301 presses the aluminum motor end cover tightly on the non-slip pad 104, then the second oil cylinder 401 continues to retract, so that the positioning plate spring 405 is forced to enter the storage groove 404, and the bearing is pressed into the aluminum motor end cover by the lower pressing head 202 under the extension of the first oil cylinder 201, and the pressing is completed.

[0040] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. A press device with anti-pressing structure, comprising a table device (1) for placing anti-skid aluminum motor end cover, a pressing device (2) for pressing the bearing into the aluminum motor end cover is installed on the top of the table device (1), a pre-pressing device (3) for pre-pressing the aluminum motor end cover is arranged on the pressing device (2), characterized in that: The positioning device (4) is positioned by the inner hole of the aluminum motor end cover. The positioning device (4) comprises a second oil cylinder (401), the telescopic end of the second oil cylinder (401) is provided with a guide column (402), the top of the guide column (402) is provided with a lower boss (403), the circumference of the guide column (402) is uniformly provided with a plurality of receiving grooves (404), and the receiving grooves (404) are provided with positioning plate springs (405).

2. The press according to claim 1, wherein: The table device (1) comprises a support table (101), the upper surface of the support table (101) is pasted with a non-slip pad (104), the middle of the support table (101) is provided with a guide sleeve (103), and the upper portion of the guide sleeve (103) is provided with a fixing frame (102).

3. The press according to claim 1, wherein: The pressing device (2) comprises a first oil cylinder (201), the telescopic end of the first oil cylinder (201) is provided with a pressing head (202), the bottom of the pressing head (202) is provided with an upper boss (204), and the top of the pressing head (202) is provided with a fixing plate (203).

4. The press according to claim 1, wherein: The pre-pressing device (3) comprises a pre-pressing ring (301), the pre-pressing ring (301) is uniformly provided with four slide rods (302), the slide rods (302) are provided with return springs (304), and the top of the slide rods (302) is provided with a baffle (303).

5. The press according to claim 2, wherein: The guide sleeve (103) is made of No. 20 steel material, and the guide sleeve (103) and the support table (101) are riveted together.

6. The press according to claim 3, wherein: The fixing plate (203) is in the shape of a disc, and the fixing plate (203) and the pressing head (202) are welded together.

7. The press according to claim 4, wherein: The pre-pressing ring (301) is in the shape of a ring.

8. The press according to claim 4, wherein: The slide rods (302) and the pre-pressing ring (301) are welded together, and the baffle (303) and the slide rods (302) are bolted.

9. The press according to claim 1, wherein: The receiving grooves (404) and the positioning plate springs (405) are provided with three respectively, and the positioning plate springs (405) and the guide column (402) are bolted.

10. The press according to claim 1, wherein: The length of the guide column (402) is 45 cm.

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