CN202861747U - Bearing press fitting clamping fixture device - Google Patents

Abstract

The utility model discloses a bearing press-fitting mold device, aiming to provide a bearing press-fitting mold device suitable for the bearing press-fitting produced by the car power assembly, the transmission assembly and the bearing press-fitting assembly line of the manufacturing company . It includes an upper die device and a lower die device, the upper die device and the lower die device are symmetrically distributed up and down, the upper die device includes an upper fixing plate and an upper die, and the lower die device The device includes a lower fixing plate and a lower die, and a through hole is arranged between the upper die and the lower die, and a guiding pin is arranged in the through hole, and the guiding pin is connected with the lower fixing plate through a spring. The beneficial effect of the utility model is: it can be applied to the bearing press assembly produced by the car power assembly, the transmission assembly and the bearing press assembly line of the manufacturing company, which not only has good neutrality to the device, but also has high assembly precision, greatly improving the production High efficiency, especially suitable for medium batch and large batch production, easy to operate.

Description

Bearing press-fit tire device

technical field

The utility model relates to a mechanical manufacturing process equipment appliance, in particular to a bearing press-fitting tire device.

Background technique

Under normal circumstances, workers and masters use hammers (wooden hammers, iron hammers and rubber hammers) when pressing bearings. This is not only time-consuming and laborious when pressing bearings, but also easily damages bearings and shafts. At the same time, production efficiency is low. high. Therefore, it is only suitable for single-piece small-batch production, and it cannot meet production needs during medium-batch or large-batch production.

Chinese patent authorization announcement number: CN 201783804U, authorized announcement date April 6, 2011, discloses a gear pump sliding bearing press-fit tire, including a tire body, the tire body is provided with a mold limiter on the lower plane of the shoulder On the surface, there is a limit gap groove on the inner side of the tire limit surface, and the lower end of the tire body is provided with a bearing engineering plastic laminated protective arc surface. The gear pump sliding bearing press-fit tire can ensure the press-fit accuracy and accurate size control. The disadvantage of the utility model is that the press-fit tire tool is only suitable for the press-fit of the sliding bearing of the gear pump, and is not suitable for the press-fit of the powertrain of the car, the transmission assembly and the bearing press-fit line produced by the bearing press-fit assembly line of the manufacturing company. .

Utility model content

The utility model aims at overcoming the deficiency that the bearing press-fitting mold in the prior art is not suitable for the car power assembly, the transmission assembly and the bearing press-fit produced by the bearing press-fit assembly line of the manufacturing company, and provides a kind of bearing press-fit suitable for the car. The bearing press-fit tire device for powertrain, transmission assembly and bearing press-fit production line of the manufacturing company.

In order to achieve the above object, the utility model adopts the following technical solutions:

A bearing press-fitting mold device, comprising an upper die device and a lower die device, the upper die device and the lower die device are distributed symmetrically up and down, and the upper die device includes an upper fixing plate and an upper die, the upper die is connected with the upper fixing plate, a through hole is provided in the middle of the upper die, and a pilot pin is arranged in the through hole, and the guide pin is connected with the upper fixing plate through a spring, The lower die device includes a lower fixing plate and a lower die, the lower die is connected to the lower fixing plate, a through hole is provided in the middle of the lower die, and a guide pin is arranged in the through hole, so that The above-mentioned guide pin is connected with the lower fixing plate through a spring.

The upper die device includes an upper fixing plate and an upper die, the upper die is connected to the upper fixing plate, a through hole is provided in the middle of the upper die, and a pilot pin is arranged in the through hole, so that The above-mentioned pilot pin is connected to the upper fixed plate through a spring, one end of the spring is connected to the pilot pin, and the other end of the spring is fixed on the upper fixed plate, and the bearing is pressed through the cooperation of the pilot pin and the spring. The compression molding device includes a lower fixing plate and a lower mold, the lower mold is connected with the lower fixing plate, a through hole is arranged in the middle of the lower mold, and a guiding pin is arranged in the described through hole, and the guiding pin is arranged in the described through hole. The pin is connected to the lower fixing plate through a spring, one end of the spring is connected to the guide pin, and the other end of the spring is fixed on the lower fixing plate, and the bearing is pressed through the cooperation of the guide pin and the spring, and the upper die device and the lower die device It is distributed symmetrically up and down, and the upper die device and the lower die device are respectively connected with the air source. This design satisfies the purpose of being applicable to the bearing press assembly produced by the car power assembly, the transmission assembly and the bearing press assembly line of the manufacturing company.

Preferably, the shape of the pilot pin is a stepped cylinder, the pilot pin includes a positioning block, a movable block, a limit block and a connecting block, one end of the spring is sleeved on the connecting block, The movable blocks in the pilot pin are respectively connected with the upper die and the lower die, wherein the positioning block is used to fix the position of the bearing, the movable block is respectively slidably connected with the upper die and the lower die, and the limit block makes the guide pin limit The bit slides in the upper mold and the lower mold, and the connecting block is respectively connected with the upper fixing plate and the lower fixing plate through springs. This design improves the assembly accuracy and has high symmetry.

As a preference, the shape of the upper mold and the lower mold are both cylindrical, and the upper mold is provided with a bearing installation groove and a locking block, and the locking block is placed on one side of the bearing installation groove. The above-mentioned lower mold is provided with a bearing installation groove, and the bearing is installed in the bearing installation groove. Since the direction of the bearing installation groove of the upper mold is facing downward during the installation process, the bearing is fixed in the upper mold by a locking block to prevent the bearing installation groove from drop of bearings in the

Preferably, the connection between the spring and the connecting block is a transition fit, which improves the manufacturing precision of the bearing press-fitting mold device, facilitates the improvement of the assembly precision, and improves the work efficiency at the same time.

Preferably, the connection between the movable block and the upper mold and the lower mold is clearance fit or transition fit, which improves the manufacturing accuracy of the bearing press-fitting mold device, so as to improve the assembly accuracy and improve the work efficiency at the same time.

As a preference, the upper mold and the lower mold are provided with several threaded holes, the upper fixing plate and the lower fixing plate are also provided with mounting holes corresponding to the threaded holes, and the upper fixing plate and the upper mold Screw connection, the lower fixing plate is connected with the lower mold by screws, and the screw connection is used to facilitate the disassembly and installation of the bearing press-fitting mold device.

As another preference, the upper fixing plate is welded to the upper mold, and the lower fixing plate is welded to the lower mold, so as to improve the strength of the bearing press-fit tire device.

As a preference, several light holes are provided on the upper and lower fixing plates, through which the upper and lower fixing plates can be easily fixed.

The beneficial effect of the utility model is: it can be applied to the bearing press assembly produced by the car power assembly, the transmission assembly, and the bearing press assembly line of the manufacturing company. High efficiency, especially suitable for medium batch and large batch production, easy to operate.

Description of drawings

Fig. 1 is the structural representation of upper die device;

Fig. 2 is a structural schematic diagram of the lower die device.

In the figure: 1. Upper fixing plate, 2. Upper mold, 3. Guide pin, 4. Spring, 5. Bearing, 6. Locking block, 7. Mounting hole, 8. Threaded hole, 9. Light hole, 10 . Through hole, 11. Positioning block, 12. Movable block, 13. Limiting block, 14. Connection block, 15. Lower mold, 16. Lower fixed plate.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described.

Embodiment 1: In the embodiment as shown in Fig. 1 and Fig. 2, a bearing press-fitting mold device includes an upper die device and a lower die device, and the upper die device and the lower die device are symmetrically distributed up and down , the upper die device includes an upper fixed plate 1 and an upper die 2, the upper die 2 is connected with the upper fixed plate 1, and a through hole 10 is provided in the middle of the upper die 2, and a guide pin 3 is provided in the through hole 10, and the guide pin 3 Connected with the upper fixed plate 1 through the spring 4, the lower die device includes the lower fixed plate 16 and the lower die 15, the lower die 15 is connected with the lower fixed plate 16, the middle of the lower die 15 is provided with a through hole 10, and the through hole 10 is provided with a The guiding pin 3 is connected with the lower fixing plate 16 through the spring 4 . The shape of the guide pin 3 is a stepped cylindrical shape. The guide pin 3 includes a positioning block 11, a movable block 12, a limit block 13 and a connecting block 14. One end of the spring 4 is sleeved on the connecting block 14, wherein the spring 4 The other end of each is fixedly connected with the upper fixed plate 1 and the lower fixed plate 16 respectively, and the movable block 12 in the guide pin 3 is connected with the upper mold 2 and the lower mold 15 respectively. The shape of the upper mold 2 and the shape of the lower mold 15 are both cylindrical. The upper mold 2 is provided with a bearing installation groove and a locking block 6. The locking block 6 is placed on one side of the bearing installation groove, and the lower mold 15 is provided with a bearing installation groove. groove. The connection mode between the spring 4 and the connection block 14 is a transition fit. The connection mode between the movable block 12 and the upper mold 2 and the lower mold 15 is clearance fit or transition fit. The upper mold 2 and the lower mold 15 are provided with four threaded holes 8, the upper fixed plate 1 and the lower fixed plate 16 are also provided with mounting holes 7 corresponding to the threaded holes 8, and the upper fixed plate 1 is connected with the upper mold 2 by screws , The lower fixing plate 16 is connected with the lower mold 15 by screws. Both the upper fixing plate 1 and the lower fixing plate 16 are provided with four light holes 9 . The bearing press-fit tire device is connected with an air source.

Embodiment 2: The structure of the bearing press fitting device in this embodiment is basically the same as that of Embodiment 1, the difference is that the upper fixing plate 1 is welded to the upper mold 2, and the lower fixing plate 16 is welded to the lower mold 15.

Its use method is as follows: when in use, first put the bearing 5 into the bearing installation groove of the lower mold 15 and the upper mold 2 respectively, and fix the bearing 5 put in the bearing installation groove of the upper mold 2 through the locking block 6, Components to be installed are put between the lower mold 15 and the upper mold 2. Then, the air source is turned on, and the upper die 2 descends and starts to press the bearing. After the pressing is completed, the air source is turned off, and the upper mold 2 goes up to complete the process. So repeated, the whole process can be completed in about 6 seconds. The bearing press-fitting mold device not only has good neutrality, but also has high assembly precision, which greatly improves production efficiency. It is especially suitable for the assembly line operation of medium batch and mass production.

Claims (8)

1. bearing press mounting mold device, it is characterized in that, comprise top die device and dip mold device, it is symmetrical up and down that described top die device and dip mold device are, described top die device comprises upper mounted plate (1) and patrix (2), described patrix (2) is connected with upper mounted plate (1), be provided with through hole (10) in the middle of the described patrix (2), be provided with pilot pin (3) in the described through hole (10), described pilot pin (3) is connected with upper mounted plate (1) by spring (4), described dip mold device comprises bottom plate (16) and counterdie (15), described counterdie (15) is connected with bottom plate (16), be provided with through hole (10) in the middle of the described counterdie (15), be provided with pilot pin (3) in the described through hole (10), described pilot pin (3) is connected with bottom plate (16) by spring (4).

2. bearing press mounting mold device according to claim 1, it is characterized in that, described pilot pin (3) is shaped as with step-like cylindrical, described pilot pin (3) comprises locating piece (11), movable block (12), limited block (13) and contiguous block (14), one end of described spring (4) is socketed on the contiguous block (14), and the movable block (12) in the described pilot pin (3) is connected 15 with patrix (2) with counterdie respectively) be connected.

3. bearing press mounting mold device according to claim 1 and 2, it is characterized in that, described patrix (2) shape and counterdie (15) shape are cylindrical, described patrix (2) is provided with bearing mounting groove and latch segment (6), described latch segment (6) places a side of bearing mounting groove, and described counterdie (15) is provided with the bearing mounting groove.

4. bearing press mounting mold device according to claim 2 is characterized in that, described spring (4) is interference fits with the connected mode of contiguous block (14).

5. according to claim 2 or 4 described bearing press mounting mold devices, it is characterized in that, described movable block (12) is matched in clearance or interference fits with the connected mode of patrix (2) and counterdie (15).

6. bearing press mounting mold device according to claim 1, it is characterized in that, described patrix (2) and counterdie (15) are provided with some screwed holes (8), also be provided with the installing hole (7) corresponding with screwed hole (8) on described upper mounted plate (1) and the bottom plate (16), described upper mounted plate (1) is connected with patrix (2) screw, and described bottom plate (16) is connected with counterdie (15) screw.

7. bearing press mounting mold device according to claim 1 is characterized in that, described upper mounted plate (1) and patrix (2) welding, described bottom plate (16) and counterdie (15) welding.

8. bearing press mounting mold device according to claim 8 is characterized in that, is equipped with some unthreaded holes (9) on described upper mounted plate (1) and the bottom plate (16).

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