CN219685420U - Structure for assembling and press fitting - Google Patents

Abstract

The utility model discloses a structure for assembling and press fitting, which comprises a press fitting frame, an upper press component arranged at the upper part of the press fitting frame and a lower press component arranged on the press fitting frame, wherein a guide post is arranged below the press fitting frame, the upper press component comprises an upper driving mechanism and a clamping mechanism arranged on the guide post in a sliding manner, the lower press component comprises a lower platform, a placing cylinder arranged on the lower platform and a placing table movably arranged in the placing cylinder, one end of the placing table extends out of the placing cylinder, and the other end of the placing table is limited in the placing cylinder. And a buffer spring is supported between the bottom of the placing table and the bottom of the placing cylinder. The placing table is hollow, a positioning cylinder is arranged at the lower part of the lower platform, and the output end of the positioning cylinder penetrates through the placing table. The problem of current rotor and rotor shaft pressure equipment yields not high is solved.

Description

Structure for assembling and press fitting

Technical Field

The utility model relates to the field of press fitting equipment, in particular to a structure for assembling press fitting.

Background

The oil pump needs to press the rotor shaft into the rotor in the processing process, press mounting equipment is adopted to directly press the rotor in the prior art, only the press mounting stroke is designed in the press mounting process, the influence of the press mounting force on the rotor shaft is not considered, meanwhile, the rotor shaft is damaged in the press mounting process, and the problem of low yield in the press mounting process is caused.

Disclosure of Invention

The utility model aims to provide a structure for assembling and press-fitting, which solves the problem that the existing rotor and rotor shaft are low in press-fitting yield.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a structure for assembling pressure equipment, includes the pressure equipment frame, sets up the pressure equipment subassembly on pressure equipment frame upper portion and sets up the subassembly that pushes down on the pressure equipment frame, pressure equipment frame below is provided with the guide pillar, it sets up the fixture on the guide pillar to go up the pressure equipment subassembly including last actuating mechanism and slip, push down the subassembly including lower platform, set up the section of thick bamboo of placing on lower platform and the activity set up the platform of placing in placing the section of thick bamboo, place a section of thick bamboo is stretched out to platform one end, and the other end limit is located and places the section of thick bamboo.

As a further improvement of the above technical scheme:

and a buffer spring is supported between the bottom of the placing table and the bottom of the placing cylinder.

The placing table is hollow, a positioning cylinder is arranged at the lower part of the lower platform, and the output end of the positioning cylinder penetrates through the placing table.

The clamping mechanism comprises a sliding sleeve arranged on the guide post in a sliding manner, a guide plate arranged on the sliding sleeve, a clamping cylinder arranged on the guide plate and a clamping jaw connected with the clamping cylinder, and the guide plate is connected with the upper driving mechanism.

The upper driving mechanism comprises a cylinder barrel, a screw rod, a screw sleeve and an extension rod connected with the screw sleeve, wherein the screw rod, the screw sleeve and the extension rod are arranged in the cylinder barrel, the extension rod is arranged in the cylinder barrel in a sliding mode, one end of the screw rod is connected with a servo motor, the screw rod is provided with a pressure sensor, and one side of the extension rod is provided with a displacement sensor.

Compared with the prior art, the utility model has the beneficial effects that:

the upper driving mechanism of the structure for assembling and press mounting is internally provided with the pressure sensor, so that the pressure born by a product in the press mounting process is monitored in real time; a displacement sensor is additionally arranged for monitoring the pressed depth of the product in real time in the press-fitting process; monitoring whether the pressed product is qualified or not by comparing the pressure curve with the displacement curve; meanwhile, the elastic buffer device is arranged in the lower pressing component, so that the scratch on the surface of a product caused in the pressing process can be solved; by using the technical scheme, the yield of the product is greatly improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a second schematic diagram of the overall structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a third schematic diagram of the overall structure of the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4B according to the present utility model;

FIG. 6 is a schematic view of a pressing assembly according to the present utility model;

fig. 7 is a schematic structural view of the upper driving mechanism of the present utility model.

Reference numerals: 1. pressing and installing a frame; 11. a guide post; 2. an upper pressing assembly; 21. an upper driving mechanism; 211. a cylinder; 212. a screw rod; 213. a screw sleeve; 214. an extension rod; 215. a servo motor; 216. a pressure sensor; 217. a displacement sensor; 22. a clamping mechanism; 221. a sliding sleeve; 222. a guide plate; 223. a clamping cylinder; 224. a clamping jaw; 3. pressing down the assembly; 31. a lower platform; 32. placing a cylinder; 33. a placement table; 34. a buffer spring; 35. positioning a cylinder; 4. a rotor shaft; 5. a rotor; 225. a photoelectric switch is arranged; 36. and a lower photoelectric switch.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that, directions or positions indicated by terms such as "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 6, the structure for assembling press-fitting of the present embodiment includes a press-fitting frame 1, an upper press-fitting assembly 2 provided on an upper portion of the press-fitting frame 1, and a lower press-fitting assembly 3 provided on the press-fitting frame 1, a guide post 11 provided below the press-fitting frame 1, the upper press-fitting assembly 2 including an upper driving mechanism 21 and a clamping mechanism 22 slidably provided on the guide post 11, the lower press-fitting assembly 3 including a lower platform 31, a placement cylinder 32 provided on the lower platform 31, and a placement table 33 movably provided in the placement cylinder 32, one end of the placement table 33 extending out of the placement cylinder 32, and the other end being limited in the placement cylinder 32. A buffer spring 34 is supported between the bottom of the placement table 33 and the bottom of the placement cylinder 32. The buffer spring 34 can relieve the pressure received by the bearing surface to protect the surface of the product. The placing table 33 is arranged in a hollow mode, a positioning air cylinder 35 is arranged at the lower portion of the lower platform 31, and the output end of the positioning air cylinder 35 penetrates through the placing table 33. The clamping mechanism 22 comprises a sliding sleeve 221 arranged on the guide post 11 in a sliding manner, a guide plate 222 arranged on the sliding sleeve 221, a clamping cylinder 223 arranged on the guide plate 222 and a clamping jaw 224 connected with the clamping cylinder 223, wherein the guide plate 222 is connected with the upper driving mechanism 21. An upper photoelectric switch 225 is provided on the holding cylinder 223 for detecting whether the rotor shaft 4 is in place. The placing cylinder 32 is provided with a lower photoelectric switch 36 for detecting whether the rotor 5 is in place.

As shown in fig. 7, the upper driving mechanism 21 includes a cylinder 211, a screw rod 212 provided in the cylinder 211, a screw sleeve 213, and an extension rod 214 connected to the screw sleeve 213, the extension rod 214 is slidably provided in the cylinder 211, one end of the screw rod 212 is connected to a servo motor 215, the screw rod 212 is provided with a pressure sensor 216, and one side of the extension rod 214 is provided with a displacement sensor 217.

The pressure sensor 216 is configured to monitor the pressure of the press-fitting in real time during the press-fitting process, so as to prevent the pressure from being too small or too large during the press-fitting process;

the displacement sensor 217 is used for monitoring the height of the press fitting in real time and preventing the condition that the press fitting is not in place or the product is over-pressed;

the outside can be furnished with the control appearance, shows pressure equipment force curve and pressure equipment height curve simultaneously, can judge whether the product is qualified through the comparison different position curve relations.

When the utility model is used, the rotor shaft 4 is clamped by the clamping mechanism 22, specifically, the clamping cylinder 223 drives the clamping jaw 224 to clamp the rotor shaft 4. Then, the rotor 5 is placed on the placing table 33, the rotor 5 is inserted into the rotor 5 by extending from the placing table 33 through the positioning cylinder 35, the positioning is completed, the screw rod 212 can be driven to rotate through the servo motor 215, the transmission mode can be belt transmission, chain transmission, gear transmission or other transmission structures, the screw rod 212 can drive the screw sleeve 213 to move by rotating, the screw sleeve 213 is fixedly connected with the extending rod 214, the extending rod 214 moves along with the screw sleeve, and the extending rod 214 drives the guide plate 222 to slide on the guide post 11, and the specific press-fitting process is as follows: the clamping mechanism 22 drives the rotor shaft 4 to descend under the driving of the upper pressing assembly 2 and continuously presses down, the displacement sensor 217 is used for sensing the movement stroke, the pressure sensor 216 can feed back pressure and can be used for detecting whether the press fitting is in place or not, and the condition of excessive pressing can occur in the press fitting process, so that the placing cylinder 32 can compress the buffer spring 34 to descend after the press fitting is in place in the pressing process, the pressure born by the press fitting bearing surface can be reduced, and the product bottom surface is prevented from being scratched due to press fitting.

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a structure for assembling pressure equipment, includes pressure equipment frame (1), sets up pressure subassembly (2) on pressure equipment frame (1) upper portion and sets up pressure subassembly (3) on pressure equipment frame (1), its characterized in that: the press mounting frame (1) below is provided with guide pillar (11), upward press the fixture (22) that subassembly (2) set up on guide pillar (11) including last actuating mechanism (21) and slip, push down subassembly (3) including lower platform (31), set up a section of thick bamboo (32) and the activity of placing on lower platform (31) set up in placing a section of thick bamboo (32) place platform (33), place a section of thick bamboo (32) are stretched out to platform (33) one end, and the other end limit is located a section of thick bamboo (32) of placing.

2. The structure for assembling press-fitting according to claim 1, wherein: a buffer spring (34) is supported between the bottom of the placement table (33) and the bottom of the placement cylinder (32).

3. The structure for assembling press-fitting according to claim 2, wherein: the placement table (33) is arranged in a hollow mode, a positioning air cylinder (35) is arranged at the lower portion of the lower platform (31), and the output end of the positioning air cylinder (35) penetrates through the placement table (33).

4. A structure for assembling press-fitting as claimed in claim 3, wherein: the clamping mechanism (22) comprises a sliding sleeve (221) arranged on the guide post (11) in a sliding manner, a guide plate (222) arranged on the sliding sleeve (221), a clamping cylinder (223) arranged on the guide plate (222) and a clamping jaw (224) connected with the clamping cylinder (223), and the guide plate (222) is connected with the upper driving mechanism (21).

5. The structure for assembling press-fitting according to claim 4, wherein: the upper driving mechanism (21) comprises a cylinder barrel (211), a screw rod (212) arranged in the cylinder barrel (211), a screw sleeve (213) and an extending rod (214) connected with the screw sleeve (213), wherein the extending rod (214) is slidably arranged in the cylinder barrel (211), one end of the screw rod (212) is connected with a servo motor (215), the screw rod (212) is provided with a pressure sensor (216), and one side of the extending rod (214) is provided with a displacement sensor (217).