Press-fitting positioning mechanism

Abstract

The utility model relates to the technical field of press-fitting positioning, in particular to a press-fitting positioning mechanism which comprises a press-fitting table and a pressed part, a press-fitting assembly is arranged on one side of the top of the press-fitting table, a press-fitting head is arranged on the press-fitting assembly, and a press-fitting hole centering adjusting assembly is arranged at the bottom of the press-fitting head. The press fitting device has the advantages of being simple in structure, convenient to operate, capable of saving manpower and the like, the press fitting efficiency and quality can be improved to a great extent, a pressed part is accurately pressed into the hole diameter of the press-in hole piece by arranging the press fitting hole centering adjusting assembly, the press fitting precision is improved, and the press fitting precision is improved. The problems that in an automatic press-in assembly production line, due to the fact that the center position of a part and the center position of a press-in hole are often not coaxial, the phenomena of workpiece scratching, extrusion deformation, breakage and abrasion are prone to occurring in the press-in process, the undesirable phenomena such as product service life shortening, large noise and large vibration are caused, and production equipment is damaged in serious cases are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of press-fitting and positioning, in particular to a press-fitting and positioning mechanism. Background Art

[0002] Press-fit positioning refers to the process of accurately installing the workpiece to the specified position or posture during the press-fit process.

[0003] In the production line of automated press-fit assembly, it is often encountered that the center position of the parts and the press-fit hole are not coaxial. During the press-fit process, it is easy for the workpiece to be scratched, squeezed, deformed, broken, and worn, resulting in a shortened product life, high noise, high vibration and other undesirable phenomena. In severe cases, it may also damage the production equipment. Utility Model Content

[0004] The purpose of the utility model is to provide a press-fit positioning mechanism to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A press-fitting positioning mechanism comprises a press-fitting platform and a part to be pressed, wherein a press-fitting assembly is arranged on one side of the top of the press-fitting platform, a press-fitting head is arranged on the press-fitting assembly, a press-fitting hole centering adjustment assembly is arranged at the bottom of the press-fitting head, and a press-in hole piece is arranged on the press-fitting platform below the press-fitting hole centering adjustment assembly.

[0007] As a preferred solution of the utility model, the press-fit hole centering adjustment assembly includes a centering adjustment pressure head, the centering adjustment pressure head is connected to the press-fit head through a connecting assembly, a connecting pressure rod matching the hole diameter of the pressed part is arranged at the bottom of the centering adjustment pressure head, and a pressed adsorption connecting piece connected to the pressed part is arranged inside the connecting pressure rod.

[0008] As a preferred solution of the utility model, the connecting assembly includes a centering pendulum rod and a centering pendulum head, the centering pendulum head is arranged in a circular structure, the centering pendulum head is fixed at the top of the centering pendulum rod, and an insertion groove for inserting the centering pendulum rod and the centering pendulum head is opened inside the press head, the insertion groove structure matches the centering pendulum rod and the centering pendulum head structure and has a diameter larger than the diameter of the centering pendulum rod and the centering pendulum head, the bottom of the centering pendulum rod passes through the top of the centering adjustment pressure head and extends into the interior thereof, and the bottom of the centering pendulum rod is connected to the centering adjustment pressure head.

[0009] As a preferred solution of the utility model, limit blocks are provided on the inner walls of both sides of the insertion groove on both sides of the centering rocker arm, and a spring is sleeved on the outer circumferential wall of the centering rocker arm below the limit blocks, the top of the spring is fixed to the bottom of the limit blocks, and the bottom of the spring is connected to the centering adjustment pressure head.

[0010] As a preferred solution of the utility model, the pressurized adsorption connecting member includes an electromagnet, and the electromagnet is located inside the connecting pressure rod.

[0011] As a preferred solution of the utility model, the press-in hole member matches the pressed-in part.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] In response to the problems raised in the background technology, the present application has the advantages of simple structure, easy operation, and manpower saving, and can greatly improve the efficiency and quality of press-fitting. By setting a press-fitting hole centering adjustment component, the pressed part can be accurately pressed into the aperture of the press-fitting hole component, and the pressed part is sleeved on the connecting pressure rod. An electromagnet is arranged inside the connecting pressure rod, and the pressed part is adsorbed and sleeved on the connecting pressure rod through the magnetic attraction of the electromagnet. When a position error or angle error occurs between the pressed part and the press-fitting hole of the press-fitting hole component, the press-fitting hole centering adjustment component can utilize the assembly chamfer between the workpieces to guide the pressed part into the press-fitting hole, and utilize the internal connecting component mechanism to cause horizontal displacement or angle change under the action of the assembly chamfer, so that the pressed part is correctly assembled in the assembly hole of the press-fitting hole component. After the operation is completed, the electromagnet is powered off, the pressed part is separated from the connecting pressure rod, the press-fitting is completed, and preparations are made for the next operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the overall side view of the utility model;

[0015] Figure 2 This is a schematic diagram of the connection between the integral press-fitting head and the press-fitting hole centering adjustment assembly of the utility model;

[0016] Figure 3 This is a schematic diagram of the integral press-fit hole centering adjustment component of the utility model;

[0017] Figure 4 For this utility model Figure 3 Enlarged view of area A in the middle.

[0018] In the figure: 1. Press-fitting table; 2. Press-fitting assembly; 21. Press-fitting head; 211. Insertion groove; 212. Limit block; 3. Press-fitting hole centering adjustment assembly; 31. Centering adjustment pressure head; 32. Connecting assembly; 321. Centering swing rod; 3211. Spring; 322. Centering swing head; 33. Connecting pressure rod; 331. Electromagnet; 4. Press-fit hole piece; 10. Pressed part. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the embodiments of the present invention.

[0020] Example

[0021] See also Figure 1-4 The utility model provides a technical solution: a press-fitting positioning mechanism, including a press-fitting platform 1 and a pressed part 10, a press-fitting assembly 2 is arranged on one side of the top of the press-fitting platform 1, a press-fitting head 21 is arranged on the press-fitting assembly 2, a press-fitting hole centering adjustment assembly 3 is arranged at the bottom of the press-fitting head 21, and a press-in hole part 4 is arranged on the press-fitting platform 1 below the press-fitting hole centering adjustment assembly 3.

[0022] It should be noted that the present application has the advantages of simple structure, easy operation, and labor saving, which can greatly improve the efficiency and quality of press-fitting. By setting the press-fitting hole centering adjustment component 3, the pressed part 10 can be accurately pressed into the aperture of the press-fitting hole 4, thereby preventing the situation in the automated press-fitting assembly production line where the part and the center position of the press-fitting hole are not coaxial. During the press-fitting process, it is easy for the workpiece to be scratched, squeezed, deformed, broken, and worn, resulting in adverse phenomena such as shortened product life, loud noise, loud vibration, and even damage to production equipment in severe cases.

[0023] See also Figure 2 , 34, the press-fit hole centering adjustment component 3 includes a centering adjustment pressure head 31, the centering adjustment pressure head 31 is connected to the press-fit head 21 through a connecting component 32, a connecting pressure rod 33 matching the aperture of the pressed part 10 is arranged at the bottom of the centering adjustment pressure head 31, and a pressed adsorption connecting piece connected to the pressed part 10 is arranged inside the connecting pressure rod 33; the connecting component 32 includes a centering swing rod 321 and a centering swing head 322, the centering swing head 322 is arranged in a circular structure, the centering swing head 322 is fixed at the top of the centering swing rod 321, and an insertion groove 211 is provided inside the press-fit head 21, and the insertion groove 211 structure is consistent with the centering swing rod 321 and the centering swing head 322 The structure is matched and the diameter is larger than the diameter of the centering pendulum 321 and the centering pendulum head 322. The bottom of the centering pendulum 321 passes through the top of the centering adjustment pressure head 31 and extends into the inside thereof, and the bottom of the centering pendulum 321 is connected to the centering adjustment pressure head 31; the inner walls on both sides of the insertion groove 211 on both sides of the centering pendulum 321 are provided with limit blocks 212, and the outer circumferential wall of the centering pendulum 321 located below the limit blocks 212 is sleeved with a spring 3211, the top of the spring 3211 is fixed to the bottom of the limit block 212, and the bottom of the spring 3211 is connected to the centering adjustment pressure head 31; the pressed adsorption connecting part includes an electromagnet 331, and the electromagnet 331 is located inside the connecting pressure rod 33; the pressed-in hole part 4 matches the pressed-in part 10.

[0024] It should be noted that, in the present embodiment, the electromagnet 331 is located inside the connecting rod 33, the press-in hole member 4 matches the pressed part 10, the pressed part 10 is sleeved on the connecting rod 33, and the connecting rod 33 is provided with the electromagnet 331 inside. The pressed part 10 is adsorbed and sleeved on the connecting rod 33 by the magnetic attraction of the electromagnet 331. The degree of automation is high, and the connecting rod 33 does not need to be connected to the pressed part 10 through other external equipment. It has the advantages of simple operation, easy control, and labor saving, which can greatly improve the efficiency and quality of press-fitting.

[0025] Furthermore, by connecting the centering adjustment ram 31 and the press-fitting head 21 through a connecting assembly 32, the centering adjustment ram 31 can be center-adjusted. When a position error or an angle error occurs between the pressed part 10 and the press-fitting hole 4, the press-fitting hole centering adjustment assembly 3 can use the assembly chamfer between the workpieces to guide the pressed part 10 into the press-fitting hole, and use the internal connecting assembly 32 mechanism to cause horizontal displacement or angle change under the force of the assembly chamfer, so that the pressed part 10 is correctly assembled in the assembly hole of the press-fitting hole 4. After the operation is completed;

[0026] Furthermore, the structure of the insertion groove 211 matches the structure of the centering pendulum 321 and the centering pendulum head 322 and the diameter is larger than the diameter of the centering pendulum 321 and the centering pendulum head 322. When the pressed part 10 does not match the centering of the assembly hole of the press-in hole component 4, the centering adjustment head 31 performs horizontal displacement or angle change through the centering pendulum 321 and the centering pendulum head 322, so that the pressed part 10 is correctly assembled in the assembly hole of the press-in hole component 4, thereby preventing the situation in the automated press-in assembly production line where the center position of the part and the press-in hole are not coaxial. During the press-in process, it is easy for the workpiece to be scratched, squeezed, deformed, broken, and worn, resulting in adverse phenomena such as shortened product life, high noise, high vibration, and even damage to production equipment in severe cases.

[0027] When in use, the electromagnet 331 is located inside the connecting rod 33, the press-in hole member 4 matches the pressed part 10, the pressed part 10 is sleeved on the connecting rod 33, and the connecting rod 33 is provided with an electromagnet 331 inside. The pressed part 10 is adsorbed and sleeved on the connecting rod 33 by the magnetic attraction of the electromagnet 331, and the press-fitting assembly 2 drives the press-fitting head 21 to move downward for press-fitting. When the pressed part 10 and the press-in hole member 4 have a position error or an angle error, the press-fitting hole centering adjustment assembly 3 can use the installation between the workpieces to adjust the position of the pressed part 10. With chamfering, the pressed part 10 is introduced into the press-in hole, and the internal connecting component 32 mechanism is utilized to insert the groove 211 structure to match the centering rocker 321 and the centering rocker head 322 structure and the diameter is larger than the diameter of the centering rocker 321 and the centering rocker head 322. Under the action of the assembly chamfering force, horizontal displacement or angle change occurs, so that the pressed part 10 is correctly assembled in the assembly hole of the press-in hole component 4. After the operation is completed, the electromagnet 331 is powered off, the pressed part 10 is separated from the connecting pressure rod 33, the press-in is completed, and preparations are made for the next operation.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A press-fitting positioning mechanism, comprising a press-fitting table (1) and a pressed part (10), characterized in that: A press-fitting assembly (2) is arranged on one side of the top of the press-fitting platform (1), a press-fitting head (21) is arranged on the press-fitting assembly (2), a press-fitting hole centering adjustment assembly (3) is arranged at the bottom of the press-fitting head (21), and a press-in hole component (4) is arranged on the press-fitting platform (1) below the press-fitting hole centering adjustment assembly (3).

2. A press-fit positioning mechanism according to claim 1, characterized in that: The press-fit hole centering adjustment component (3) comprises a centering adjustment pressure head (31), the centering adjustment pressure head (31) is connected to the press-fit head (21) via a connecting component (32), a connecting pressure rod (33) matching the hole diameter of the pressed part (10) is arranged at the bottom of the centering adjustment pressure head (31), and a pressed adsorption connecting piece connected to the pressed part (10) is arranged inside the connecting pressure rod (33).

3. A press-fit positioning mechanism according to claim 2, characterized in that: The connecting assembly (32) comprises a centering swing rod (321) and a centering swing head (322). The centering swing head (322) is arranged in a circular structure. The centering swing head (322) is fixedly located at the top of the centering swing rod (321). The press-fitting head (21) is provided with an insertion groove (211) in which the centering swing rod (321) and the centering swing head (322) are inserted. The structure of the insertion groove (211) matches the structure of the centering swing rod (321) and the centering swing head (322) and has a diameter greater than that of the centering swing rod (321) and the centering swing head (322). The bottom of the centering swing rod (321) passes through the top of the centering adjustment pressure head (31) and extends into the inside thereof. The bottom of the centering swing rod (321) is connected to the centering adjustment pressure head (31).

4. A press-fit positioning mechanism according to claim 3, characterized in that: Limiting blocks (212) are arranged on the inner walls of both sides of the insertion groove (211) on both sides of the centering swing rod (321), and a spring (3211) is sleeved on the outer circumferential wall of the centering swing rod (321) below the limiting blocks (212), the top of the spring (3211) is fixed to the bottom of the limiting blocks (212), and the bottom of the spring (3211) is connected to the centering adjustment pressure head (31).

5. A press-fit positioning mechanism according to claim 2, characterized in that: The pressed adsorbed connecting member comprises an electromagnet (331), and the electromagnet (331) is located inside the connecting pressure rod (33).

6. A press-fit positioning mechanism according to claim 1, characterized in that: The press-in hole component (4) matches the pressed-in part (10).

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