Sintered bushing press-fitting machine

Abstract

The utility model provides a sintering lining press-fitting machine which comprises a main machine frame, a positioning clamp used for a workpiece is arranged on the main machine frame, a press-fitting assembly is arranged on the upper portion of the positioning clamp, the press-fitting assembly comprises a lifting assembly, a left press-fitting assembly and a right press-fitting assembly, and the left press-fitting assembly and the right press-fitting assembly are connected to the lifting assembly. The left press-fitting assembly and the right press-fitting assembly are oppositely arranged at a certain interval, the left press-fitting assembly comprises a left press-fitting driving part and a left bushing press-fitting head, the right press-fitting assembly comprises a right press-fitting driving part, a right bushing press-fitting head and a lock cap press-fitting head, and the right bushing press-fitting head and the lock cap press-fitting head are jointly installed on the transposition assembly. The right lining press-fitting head or the lock cap press-fitting head is driven by the transposition assembly to move to the corresponding position of the right press-fitting driving piece. The press-fitting machine has the advantages of being capable of automatically completing press-fitting of two bushings and one lock cap, 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, in particular to a sintered bushing press. Background Art

[0002] For the intake of automobile engine cylinder heads, an air tank structure (English name: Air Tank) is required, and its structure is as Figure 1 and Figure 2 shown. In Figure 1 and Figure 2 the product workpiece structures shown, corresponding sintered bushings and lock nuts need to be installed on the workpiece. In the figure, the workpiece has a right bushing installation hole 1 and a bushing lock nut installation hole 2. A bushing needs to be press-fitted into the bushing installation hole 1, and a bushing and a lock nut need to be installed in the bushing lock nut installation hole 2.

[0003] In the prior art, for the installation of the above two bushings and one lock nut, it is generally completed by manual cooperation with a fixture, that is, the workpiece is first fixed on the fixture, and then the bushings and lock nuts are manually placed at the corresponding installation hole positions, and then the bushings and lock nuts are manually pressed into the installation holes. The above operation method has defects such as low installation efficiency of the bushings and lock nuts, 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 lock nuts and bushings to improve the press-fitting efficiency and quality. Summary of the Utility Model

[0005] To solve the deficiencies of the current technology, the utility model combines the existing technology and starts from the actual application to provide a sintered bushing press, which has the advantages of being able to automatically complete the press-fitting of two bushings and one lock nut, high efficiency, and good press-fitting quality.

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

[0007] A sintered bushing press includes a main frame, a positioning fixture for the workpiece is arranged on the main frame, a press-fitting assembly is arranged above the positioning fixture, the press-fitting assembly includes a lifting assembly, a left press-fitting assembly and a right press-fitting assembly connected to the lifting assembly. The left press-fitting assembly and the right press-fitting assembly are arranged opposite to each other at a certain distance. The left press-fitting assembly includes a left press-fitting driving member and a left bushing press-fitting head. The right press-fitting assembly includes a right press-fitting driving member, a right bushing press-fitting head and a lock nut press-fitting head. The right bushing press-fitting head and the lock nut press-fitting head are jointly installed on a conversion assembly, and the conversion assembly drives the right bushing press-fitting head or the lock nut press-fitting head to move to the corresponding position of the right press-fitting driving member.

[0008] Further, the positioning fixture includes a plurality of pressing heads for pressing the workpiece.

[0009] Furthermore, the lifting assembly includes a lifting drive motor, a lifting guide rail slider, and a sliding plate. The sliding plate can be driven by the lifting drive motor to move up and down along the lifting guide rail slider. Both the left press-fitting assembly and the right press-fitting assembly are mounted on the sliding plate.

[0010] Furthermore, the left bushing press-fitting head is fixedly connected to the output shaft of the left press-fitting driving member, and the left bushing press-fitting head is driven by the left press-fitting driving member to perform telescopic movement.

[0011] Furthermore, the transposition assembly includes a transposition driving member, a transposition guide rail slider, and a movable seat. The transposition guide rail slider is mounted on the sliding plate. The movable seat can be driven by the transposition driving member to move along the transposition guide rail slider. The right bushing press-fitting head and the lock nut press-fitting head are arranged side by side on the movable seat, and the right press-fitting driving member is located at one side of the rear of the right bushing press-fitting head and the lock nut press-fitting head.

[0012] Furthermore, both the right bushing press-fitting head and the lock nut press-fitting head are slidably matched with the movable seat.

[0013] Furthermore, springs for resetting are installed on both the right bushing press-fitting head and the lock nut press-fitting head.

[0014] Advantages of the present utility model:

[0015] 1. With the structural design of the present utility model, automatic press-fitting of two bushings and one lock nut of a workpiece can be achieved, ensuring the consistency of press-fitting, thus guaranteeing the press-fitting quality. Moreover, compared with the traditional press-fitting method, it has advantages such as high efficiency and low labor intensity.

[0016] 2. With the structural design of the present utility model, the equipment has a high integration degree. For the press-fitting of the right bushing and the lock nut, only one driving member is required to cooperate with the transposition structure, the product has good compactness, and the corresponding press-fitting head can be automatically reset under the action of the spring after press-fitting. Description of the Drawings

[0017] Attached Figure 1 is a structural schematic diagram of the product workpiece. Figure 1 。

[0018] Attached Figure 2 is a structural schematic diagram of the product workpiece. Figure 2 。

[0019] Attached Figure 3 is a general structural schematic diagram of the present utility model.

[0020] Attached Figure 4 is a structural schematic diagram of the positioning fixture of the present utility model.

[0021] Attached Figure 5 is a schematic diagram of the press-fitting assembly of the present utility model.

[0022] Appended Figure 6 This is a schematic structural diagram of the press-fitting assembly of the present utility model.

[0023] The reference numerals shown in the appended drawings:

[0024] 1. Bushing mounting hole; 2. Bushing lock nut mounting hole; 3. Main frame; 4. Positioning fixture; 41. Pressing head; 5. Press-fitting assembly; 51. Lifting drive motor; 52. Lifting guide rail slider; 53. Slide plate; 54. Left press-fitting drive member; 55. Left bushing press-fitting head; 56. Right press-fitting drive member; 57. Right bushing press-fitting head; 58. Lock nut press-fitting head; 59. Transposition guide rail slider; 510. Movable seat; 511. Spring. Specific embodiments

[0025] In combination with the appended 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.

[0026] This embodiment provides a sintered bushing press, which is mainly used for Figure 1 and Figure 2 the automatic press-fitting of bushings and lock nuts on workpieces.

[0027] Refer to Figure 3 , 4 , 5, and 6, which are schematic diagrams of the relevant structures of this press.

[0028] This press mainly includes a main frame 3, and a positioning fixture 4 for workpieces is arranged on the main frame 3. The positioning fixture 4 is mainly used to position the workpiece for subsequent press-fitting operations. Refer to Figure 4 shown, the positioning fixture 4 includes a plurality of pressing heads 41, and the pressing heads 41 fix the workpiece through locking with nuts and the like.

[0029] A press-fitting assembly 5 is arranged above the positioning fixture 4, and the press-fitting of bushings and lock nuts is realized through the press-fitting assembly 5.

[0030] In this embodiment, the press-fitting assembly 5 mainly includes a lifting assembly, a left press-fitting assembly and a right press-fitting assembly connected to the lifting assembly. The lifting assembly is mainly used to drive the press-fitting assembly to perform lifting movement, so that the press-fitting assembly moves to the press-fitting station. Refer to Figure 5As shown in the figure, in this embodiment, the lifting assembly is electrically driven. The lifting assembly includes a lifting drive motor 51, a lifting guide rail slider 52, and a sliding plate 53. Among them, the lifting drive motor 51 is connected to the sliding plate 53 through a lead screw and nut, and the sliding plate 53 is driven by the lifting drive motor 51 to move up and down along the lifting guide rail slider 52. The left pressing assembly and the right pressing assembly are both installed on the sliding plate 53, and the pressing assemblies are driven by the sliding plate 53 to move up and down.

[0031] In this embodiment, the left pressing assembly and the right pressing assembly are arranged opposite to each other at a certain distance as shown in the figure.

[0032] Among them, the left pressing assembly includes a left pressing drive member 54 and a left bushing pressing head 55. The left pressing drive member 54 adopts an electric cylinder structure and can drive the left bushing pressing head 55 mounted thereon to perform telescopic movement. The operator places the bushing on the left bushing pressing head 55, and under the action of the left pressing drive member 54, the bushing is pressed into the corresponding bushing mounting hole 1 of the workpiece by the left bushing pressing head 55.

[0033] The right pressing assembly includes a right pressing drive member 56, a right bushing pressing head 57, and a lock nut pressing head 58. The right pressing drive member 56 adopts the form of an electric cylinder, and its output rod is not connected to the right bushing pressing head 57 and the lock nut pressing head 58, but drives the right bushing pressing head 57 and the lock nut pressing head 58 to move by telescoping.

[0034] Among them, the right bushing pressing head 57 and the lock nut pressing head 58 are jointly installed on the position-changing assembly. Driven by the position-changing assembly, when the right bushing pressing head 57 moves to the position corresponding to the right pressing drive member 56, the right pressing drive member 56 can push the right bushing pressing head 57 to act to realize the pressing of the bushing. When the lock nut pressing head 58 moves to the position corresponding to the right pressing drive member 56, the right pressing drive member 56 can push the lock nut pressing head 58 to act to realize the pressing of the lock nut.

[0035] Reference Figure 6 As shown in the figure, the position-changing assembly includes a position-changing drive member 512, a position-changing guide rail slider 59, and a movable seat 510. Among them, the position-changing guide rail slider 59 is installed on the sliding plate 53. The position-changing drive member 512 can adopt a cylinder or an electric cylinder, and it is connected to the movable seat 510 to drive the movable seat 510 to move along the position-changing guide rail slider 59 to realize the position-changing action. The right bushing pressing head 57 and the lock nut pressing head 58 are arranged side by side on the movable seat 510 and perform the position-changing action with the movable seat 510. Springs 511 for resetting are provided on both the right bushing pressing head 57 and the lock nut pressing head 58. After the pressing action is completed, the pressing heads are reset.

[0036] The principle of this press-fitting machine is as follows: Manually fix the workpiece through the positioning fixture 4, and place two bushings and a lock nut on the corresponding mounting heads. The lifting assembly operates to make the press-fitting assembly move downward to the press-fitting station. The left press-fitting driving part 54 operates to press one of the bushings into the bushing mounting hole 1 through the left bushing press-fitting head 55, and then reset. The right press-fitting driving part 56 operates on the right bushing press-fitting head 57 to first press the other bushing into the bushing lock nut mounting hole 2. Then the transposition assembly operates to make the lock nut press-fitting head 58 move to the press-fitting station. The right press-fitting driving part 56 operates again on the lock nut press-fitting head 58 to press the lock nut into the bushing lock nut mounting hole 2, thus realizing the installation of two bushings and a lock nut.

Claims

1. A sintered bushing press, comprising a main frame, characterized in that, A positioning fixture for workpieces is provided on the main frame. A press-fitting assembly is provided above the positioning fixture. The press-fitting assembly includes a lifting assembly, a left press-fitting assembly connected to the lifting assembly, and a right press-fitting assembly. The left press-fitting assembly and the right press-fitting assembly are arranged opposite to each other at a certain distance. The left press-fitting assembly includes a left press-fitting driving member and a left bushing press-fitting head. The right press-fitting assembly includes a right press-fitting driving member, a right bushing press-fitting head, and a lock nut press-fitting head. The right bushing press-fitting head and the lock nut press-fitting head are jointly installed on a conversion assembly, and the conversion assembly drives the right bushing press-fitting head or the lock nut press-fitting head to move to the corresponding position of the right press-fitting driving member.

2. The sintered bushing press according to claim 1, wherein The positioning fixture includes a plurality of pressing heads for pressing the workpiece.

3. The sintered bushing press according to claim 1, characterized in that, The lifting assembly includes a lifting driving motor, a lifting guide rail slider, and a sliding plate. The sliding plate can be driven by the lifting driving motor to move up and down along the lifting guide rail slider. The left press-fitting assembly and the right press-fitting assembly are both installed on the sliding plate.

4. The sintered bushing press according to claim 3, characterized in that, The left bushing press-fitting head is fixedly connected to the output shaft of the left press-fitting driving member, and the left press-fitting driving member drives the left bushing press-fitting head to perform telescopic movement.

5. The sintered bushing press according to claim 3, characterized in that, The conversion assembly includes a conversion driving member, a conversion guide rail slider, and a movable seat. The conversion guide rail slider is installed on the sliding plate. The movable seat can be driven by the conversion driving member to move along the conversion guide rail slider. The right bushing press-fitting head and the lock nut press-fitting head are arranged side by side on the movable seat, and the right press-fitting driving member is located at one side of the rear of the right bushing press-fitting head and the lock nut press-fitting head.

6. The sintered bushing press according to claim 5, characterized in that, Both the right bushing press-fitting head and the lock nut press-fitting head are slidably matched with the movable seat.

7. The sintered bushing press according to claim 6, characterized in that, Springs for resetting are installed on both the right bushing press-fitting head and the lock nut press-fitting head.

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