Center bushing and water pipe press-fitting machine

Abstract

The utility model provides a central bushing and water pipe press-fitting machine which comprises a machine frame, a positioning clamp is arranged on the machine frame, a bushing press-fitting assembly is arranged below the positioning clamp, and a water pipe press-fitting assembly is arranged on one side of the positioning clamp. The lining press-fitting assembly comprises a lining press-fitting driving part, a first lining press-fitting head and a second lining press-fitting head, the first lining press-fitting head and the second lining press-fitting head are arranged side by side at a certain interval, the lining press-fitting driving part is connected with the transposition assembly, and the lining press-fitting driving part can be driven by the transposition assembly to conduct transposition action at the positions of the first lining press-fitting head and the second lining press-fitting head. The water pipe press-fitting assembly comprises a water pipe press-fitting driving piece and a water pipe press-fitting head. The press-fitting machine has the advantages of being capable of automatically completing press-fitting of two center bushings and one water pipe on a workpiece, high in efficiency, good in press-fitting quality and the like.

Description

Technical Field

[0001] The utility model mainly relates to the technical field related to the intake processing of engine cylinder heads, especially a central bushing and water pipe press-fitting machine. Background Technique

[0002] For the intake of automotive engine cylinder heads, an air tank structure (English name: Air Tank) is required, and its structure is as Figure 1 shown. In the Figure 1 product workpiece structure shown, a corresponding central bushing and water pipe need to be installed on the workpiece. Referring to Figure 1 shown, the workpiece needs to press-fit the first central bushing 2 and the second central bushing 3 on both sides of the workpiece surface respectively, and press-fit the water pipe 1 on one side of the workpiece. Requirements for bushing press-fitting: the insertion and extraction force after press-fitting ≥ 150N, requirements for water inlet pipe press-fitting: the press-fitting force ≥ 7KN.

[0003] In the prior art, for the installation of the above two bushings and one water pipe, generally, it is completed by manual cooperation with a fixture, that is, the workpiece is first fixed on the tooling, and then the bushings and water pipes are placed at the corresponding installation hole positions manually, and then the bushings and water pipes are pressed into the installation holes manually. The above operation method has defects such as low installation efficiency of the bushings and water pipes, high manual labor intensity, and poor product consistency.

[0004] Therefore, it is necessary to design a device that can quickly realize the press-fitting of water pipes and bushings to improve the press-fitting efficiency and quality. Content of the Utility Model

[0005] To solve the deficiencies of the current technology, the utility model combines the prior art and starts from practical applications to provide a central bushing and water pipe press-fitting machine, which has the advantages of being able to automatically complete the press-fitting of two central bushings and one water pipe on the workpiece, high efficiency, and good press-fitting quality.

[0006] The technical solution of the utility model is as follows:

[0007] A central bushing and water pipe press-fitting machine includes a frame. A positioning fixture is arranged on the frame. A bushing press-fitting assembly is arranged below the positioning fixture, and a water pipe press-fitting assembly is arranged on one side of the positioning fixture. The bushing press-fitting assembly includes a bushing press-fitting driving part and a first bushing press-fitting head and a second bushing press-fitting head arranged in parallel at a certain interval. The bushing press-fitting driving part is connected to a commutation component, and the bushing press-fitting driving part can perform a commutation action at the positions of the first bushing press-fitting head and the second bushing press-fitting head under the drive of the commutation component. The water pipe press-fitting assembly includes a water pipe press-fitting driving part and a water pipe press-fitting head.

[0008] Furthermore, the positioning fixture includes a positioning base plate and a plurality of pressing heads arranged circumferentially on the positioning base plate, and the workpiece is fixed on the positioning base plate through the pressing heads.

[0009] Furthermore, first through holes and second through holes are respectively arranged on the positioning base plate corresponding to the positions of the first bushing pressing head and the second bushing pressing head, and the first bushing pressing head and the second bushing pressing head can slide upward through the corresponding first through hole and second through hole under the action of a bushing pressing driving member.

[0010] Furthermore, springs for resetting are installed on both the first bushing pressing head and the second bushing pressing head.

[0011] Furthermore, the transposition assembly includes a transposition driving member, a transposition guide rail slider and a connecting plate, the connecting plate can be driven by the transposition driving member to move along the transposition guide rail slider, and the bushing pressing driving member is installed on the connecting plate.

[0012] Furthermore, the bushing pressing driving member includes an output rod, and the output rod pushes the first bushing pressing head and the second bushing pressing head to act through expansion and contraction.

[0013] Furthermore, the water pipe pressing head is installed on a water pipe pressing guide rail slider, the water pipe pressing head is connected with a water pipe pressing driving member, and the water pipe pressing head can reciprocate along the water pipe pressing guide rail slider under the action of the water pipe pressing driving member.

[0014] The beneficial effects of the present utility model are as follows:

[0015] 1. With the structural design of the present utility model, automatic pressing of two central bushings and one water pipe of the workpiece can be achieved, the pressing consistency can be guaranteed, thereby ensuring the pressing quality, and it has advantages such as high efficiency and low labor intensity compared with the traditional pressing method.

[0016] 2. With the structural design of the present utility model, the equipment has a high integration degree. For the two central bushings, the pressing of the two central bushings can be achieved only by means of transposition through one pressing driving member, and the equipment has good compactness.

[0017] 3. With the structural design of the present utility model, the bushing pressing structure is arranged at the lower part of the device, and the bushings to be pressed can be directly placed into the corresponding through holes of the positioning base plate manually, which has advantages such as convenience, quickness and easy operation. Description of the Drawings

[0018] Attached Figure 1 is a schematic structural diagram of the pressing positions of the central bushing and the water pipe of the product workpiece.

[0019] Attached Figure 2 is a schematic overall structural diagram of the present utility model.

[0020] Attached Figure 3 is a schematic structural view of the present utility model after removing the frame.

[0021] Attached Figure 4 is a schematic structural view of the positioning fixture of the present utility model.

[0022] Attached Figure 5 is a partial schematic structural view of the bushing press-fitting assembly of the present utility model.

[0023] Attached Figure 6 is a schematic view of the layout of the bushing press-fitting head of the present utility model.

[0024] Attached Figure 7 is a schematic structural view of the water pipe press-fitting assembly of the present utility model.

[0025] Reference numerals shown in the attached drawings:

[0026] 1, water pipe; 2, first central bushing; 3, second central bushing; 4, frame; 5, positioning fixture; 51, positioning base plate; 52, pressing head; 53, first through hole; 54, second through hole; 6, bushing press-fitting assembly; 61, bushing press-fitting driving member; 62, second bushing press-fitting head; 63, transposition driving member; 64, transposition guide rail slider; 65, connecting plate; 66, output rod; 67, first bushing press-fitting head; 68, sliding sleeve; 7, water pipe press-fitting assembly; 71, water pipe press-fitting driving member; 72, water pipe press-fitting head; 73, water pipe press-fitting guide rail slider. Specific embodiments

[0027] In combination with the attached drawings and specific embodiments, the present utility model will be further described. It should be understood that these embodiments are only used to illustrate the present utility model and not to limit the scope of the present utility model. In addition, it should be understood that after reading the content taught by the present utility model, those skilled in the art can make various changes or modifications to the present utility model, and these equivalent forms also fall within the scope defined by this application.

[0028] This embodiment provides a press-fitting machine for central bushings and water pipes, mainly used for Figure 1 automatic press-fitting of two central bushings and one water pipe on the workpiece.

[0029] Refer to Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 shown, which are schematic structural views of the relevant parts of this press-fitting machine.

[0030] This press-fitting machine mainly includes a frame 4, on which a positioning fixture 5 is provided. Below the positioning fixture 5, a bushing press-fitting assembly 6 is provided, and on one side of the positioning fixture 5, a water pipe press-fitting assembly 7 is provided.

[0031] In this embodiment, the positioning fixture 5 is mainly used to position the workpiece for subsequent press-fitting operations. Refer to Figure 4 As shown, the positioning fixture 5 includes a positioning base plate 51 and a plurality of pressing heads 52. The plurality of pressing heads 52 are arranged circumferentially along the positioning base plate 51 and are locked by nuts to fix the workpiece on the positioning base plate 51. Further, two through holes, namely a first through hole 53 and a second through hole 54, are arranged at intervals on the positioning base plate 51. The positions of the first through hole 53 and the second through hole 54 correspond to the mounting holes for installing the bushings after the workpiece is fixed. The functions of the first through hole 53 and the second through hole 54 are as follows: enabling the first bushing press-fitting head 67 and the second bushing press-fitting head 62 to pass through the corresponding first through hole 53 and second through hole 54, so as to press-fit the center bushing into the corresponding mounting hole of the workpiece.

[0032] In this embodiment, the bushing press-fitting assembly 6 is mainly used to press-fit two center bushings into the corresponding mounting holes of the workpiece respectively. The press-fitting of the center bushings is carried out by the first bushing press-fitting head 67 and the second bushing press-fitting head 62 which are arranged in parallel at a certain interval. Specifically, the first bushing press-fitting head 67 and the second bushing press-fitting head 62 are respectively telescopically arranged below the positioning base plate 51 and correspond to the first through hole 53 and the second through hole 54. The first bushing press-fitting head 67 and the second bushing press-fitting head 62 are installed on the corresponding sliding sleeves 68, and the sliding sleeves 68 can be fixed below the positioning base plate 51 or on the frame. The first bushing press-fitting head 67 and the second bushing press-fitting head 62 are controlled by a bushing press-fitting driving member 61. During the use process, the staff can first place the two center bushings into the first through hole 53 and the second through hole 54. The bushings fall through the first through hole 53 and the second through hole 54 onto the corresponding press-fitting heads below. Under the successive jacking action of the bushing press-fitting driving member 61, the first bushing press-fitting head 67 and the second bushing press-fitting head 62 rise to press-fit the bushings onto the workpiece. Further, as shown in the figure, springs are arranged on the first bushing press-fitting head 67 and the second bushing press-fitting head 62 for the reset of the press-fitting heads after press-fitting.

[0033] In this embodiment, the bushing pressing drive member 61 is the power drive member for bushing pressing. It is preferably an electric cylinder, which has a telescopic output rod 66. By the lifting action of the output rod 66, the first bushing pressing head 67 and the second bushing pressing head 62 are pushed to rise. In this embodiment, only one bushing pressing drive member 61 can drive the first bushing pressing head 67 and the second bushing pressing head 62 to act. Therefore, the bushing pressing drive member 61 needs to be connected to the position-changing assembly. As shown in the reference figure, the position-changing assembly mainly includes a position-changing drive member 63, a position-changing guide rail slider 64, and a connecting plate 65. The connecting plate can move along the position-changing guide rail slider 64. The position-changing drive member 63 is a motor, which is connected to the connecting plate 65 through a lead screw and is used to drive the connecting plate 65 to move to achieve position change. The bushing pressing drive member 61 is installed on the connecting plate 65.

[0034] In this embodiment, the pressing of the water pipe is realized by the water pipe pressing assembly 7 located on one side of the positioning fixture 5. As shown in the reference figure, the water pipe pressing assembly 7 mainly includes a water pipe pressing drive member 71, a water pipe pressing head 72, and a water pipe pressing guide rail slider 73. The end size of the water pipe pressing head 72 is adapted to the water pipe, and it can reciprocate along the water pipe pressing guide rail slider 73 under the action of the water pipe pressing drive member 71, so as to realize the pressing of the water pipe.

Claims

1. A central bushing and a water pipe press-fitting machine, comprising a frame, characterized in that, A positioning fixture is provided on the frame. A bushing press-fitting assembly is provided below the positioning fixture, and a water pipe press-fitting assembly is provided on one side of the positioning fixture. The bushing press-fitting assembly includes a bushing press-fitting driving member and a first bushing press-fitting head and a second bushing press-fitting head arranged in parallel at a certain interval. The bushing press-fitting driving member is connected to a position-changing assembly, and the bushing press-fitting driving member can perform a position-changing action at the positions of the first bushing press-fitting head and the second bushing press-fitting head under the drive of the position-changing assembly. The water pipe press-fitting assembly includes a water pipe press-fitting driving member and a water pipe press-fitting head.

2. The central bushing and the water pipe press-fitting machine according to claim 1, characterized in that The positioning fixture includes a positioning bottom plate and a plurality of pressing heads arranged circumferentially on the positioning bottom plate. The workpiece is fixed on the positioning bottom plate through the pressing heads.

3. The central bushing and the water pipe press-fitting machine according to claim 2, characterized in that A first through hole and a second through hole are respectively provided on the positioning bottom plate corresponding to the positions of the first bushing press-fitting head and the second bushing press-fitting head. The first bushing press-fitting head and the second bushing press-fitting head can slide upward through the corresponding first through hole and second through hole under the action of the bushing press-fitting driving member.

4. The central bushing and the water pipe press-fitting machine according to claim 3, characterized in that, Springs for resetting are installed on both the first bushing press-fitting head and the second bushing press-fitting head.

5. The central bushing and water pipe press-fitting machine according to claim 3, characterized in that, The position-changing assembly includes a position-changing driving member, a position-changing guide rail slider, and a connecting plate. The connecting plate can be driven by the position-changing driving member to move along the position-changing guide rail slider. The bushing press-fitting driving member is installed on the connecting plate.

6. The central bushing and water pipe press-fitting machine according to claim 4, characterized in that, The bushing press-fitting driving member includes an output rod, and the output rod pushes the first bushing press-fitting head and the second bushing press-fitting head to act through expansion and contraction.

7. The central bushing and the water pipe press-fitting machine according to claim 1, characterized in that, The water pipe press-fitting head is installed on a water pipe press-fitting guide rail slider. The water pipe press-fitting head is connected to the water pipe press-fitting driving member, and the water pipe press-fitting head can reciprocate along the water pipe press-fitting guide rail slider under the action of the water pipe press-fitting driving member.

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