A steering gear online press-fit bushing unit mechanism

Abstract

The utility model discloses an online press-fit bushing unit mechanism for a steering gear, comprising a main support welding frame and a secondary support welding frame arranged on the rear side of the main support welding frame; a Z-axis lifting cylinder arranged on the rear side of the main support welding frame, a lower switching module and an upper pressure head switching module are arranged at the left end of the main support welding frame, a cylinder stroke switching cylinder is arranged at the right end of the main support welding frame, an X-axis servo adjustment is arranged near the upper end on the front side of the main support welding frame, and a Y-axis servo adjustment is arranged near the lower end on the front side of the main support welding frame. The functions of simultaneous press-fitting are realized by using a servo press, wherein the pressure head switching function can ensure that the pressure head and the product do not interfere when two teams of bushings are press-fitted, and more flexible press-fitting can be realized by cooperating with the servo in the X / Y direction, and the pressure head can be changed to ensure that the mechanism can be used for different models. In addition, this set of units cooperates with the product to perform online full-automatic press-fitting, saving the customer's production cost.

Description

Technical Field

[0001] The utility model belongs to the technical field related to an online press-fit bushing unit mechanism for a steering gear, and in particular relates to an online press-fit bushing unit mechanism for a steering gear. Background Art

[0002] The steering gear online press-fit bushing unit mechanism is used in the assembly station in the general assembly line, and can realize the simultaneous press-fitting of double bushing structures using one press. However, the traditional online press-fitting equipment is relatively bulky in the general assembly process, there is interference between the product and the press head, and the product models processed are relatively single. The utility model improves the above-mentioned problems, and specifically relates to a steering gear online press-fit bushing unit mechanism. Utility Model Content

[0003] The purpose of the utility model is to provide a steering gear online press-fit bushing unit mechanism to solve the problems proposed in the above background technology that the traditional online press-fit equipment is relatively bulky in the general assembly process, there is interference between the product and the pressure head, and the product model processed is relatively single.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steering gear online press-fit bushing unit mechanism, comprising a main support welding frame and a secondary support welding frame arranged at the rear side of the main support welding frame;

[0005] A Z-axis lifting cylinder is arranged at the rear side of the main support welding frame, a lower switching module and an upper pressure head switching module are arranged at the left end of the main support welding frame, a cylinder stroke switching cylinder is arranged at the right end of the main support welding frame, an X-axis servo adjustment is arranged at the front side of the main support welding frame near the upper end, and a Y-axis servo adjustment is arranged at the front side of the main support welding frame near the lower end. A servo press is used to realize the functions of simultaneous pressing and installation. The pressure head switching function can ensure that the pressure head and the product do not interfere when the two teams of bushings are pressed, and a more flexible pressing can be achieved with the servo in the X / Y direction, and the pressure head can be changed.

[0006] Preferably, a servo cylinder is provided at the rear side of the Z-axis lifting cylinder near the upper end, and the servo cylinder is connected to the cylinder stroke switching cylinder and the lower switching module on a plate.

[0007] Preferably, a linear guide rail is provided near the middle position on the front side of the main support welding frame, and two linear guide rails are provided in total. The linear guide rails are fixed to the main support welding frame by screws.

[0008] Preferably, a vertical linear guide rail is provided at the front side of the auxiliary support welding frame, and three groups of the vertical linear guide rails are provided.

[0009] Preferably, a plug-in slot is provided at a middle position of the main support welding frame, and the plug-in slot is a through slot structure.

[0010] Preferably, an extrusion connection block is provided at the upper end of the front side surface of the main support welding frame, and the extrusion connection block is installed and connected to the main support welding frame by means of screws.

[0011] Preferably, a snap-fit ​​connecting extension block is provided at the middle position of the plug-in slot, a falling blocking buffer is provided at the middle position of the snap-fit ​​connecting extension block, the circular diameter at the middle position of the falling blocking buffer is smaller than the circular diameter near the upper and lower end positions, a blocking buffer middle lifting column is provided at the middle position of the falling blocking buffer, and a built-in lifting spring is provided at the bottom position of the blocking buffer middle lifting column.

[0012] Preferably, an extrusion ramp baffle is provided at the middle position of the clamping connection extension block, the middle end surface of the extrusion ramp baffle is a ramp structure, and a built-in extrusion return spring is connected to the inner end position of the extrusion ramp baffle.

[0013] Compared with the prior art, the utility model provides a steering gear online press-fit bushing unit mechanism, which has the following beneficial effects:

[0014] 1. In the steering gear online press-fit bushing unit mechanism, a Z-axis lifting cylinder is arranged at the rear side of the main support welding frame, a lower switching module and an upper pressure head switching module are arranged at the left end of the main support welding frame, a cylinder stroke switching cylinder is arranged at the right end of the main support welding frame, an X-axis servo adjustment is arranged at the front side of the main support welding frame near the upper end, and a Y-axis servo adjustment is arranged at the front side of the main support welding frame near the lower end. A servo press is used to press and fit at the same time to realize the function, wherein the pressure head switching function can ensure that the pressure head and the product do not interfere when the two teams of bushings are press-fitted, and a more flexible press-fitting can be realized by cooperating with the servo in the X / Y direction, and the pressure head can be changed to ensure that the mechanism can be used for different models. In addition, this unit cooperates with the product to press and fit online automatically, saving customers' production costs.

[0015] 2. In the steering gear online press-fit bushing unit mechanism, a snap-fit ​​connecting extension block is arranged at the middle position of the plug-in slot, a drop blocking buffer is arranged at the middle position of the snap-fit ​​connecting extension block, the circular diameter at the middle position of the drop blocking buffer is smaller than the circular diameter near the upper and lower ends, a blocking buffer middle lifting column is arranged at the middle position of the drop blocking buffer, and a built-in lifting spring is arranged at the bottom position of the blocking buffer middle lifting column. Through this improvement, the drop blocking buffer can be installed and removed only by squeezing the slope surface, and the operation is simple, convenient and fast, which can effectively improve the work efficiency of the operator, thereby improving the practicality of the steering gear online press-fit bushing unit mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the steering gear online press-fit bushing unit mechanism of the utility model.

[0017] Figure 2 It is a schematic diagram of the overall structure of the auxiliary support welding frame of the steering gear online press-fit bushing unit mechanism of the utility model.

[0018] Figure 3 It is a structural schematic diagram of the position of the connecting extension block of the steering gear online press-fit bushing unit mechanism.

[0019] Figure 4 It is a schematic cross-sectional structure diagram of the position of the clamping connection extension block of the steering gear online press-fit bushing unit mechanism of the utility model.

[0020] In the figure: 1. Main support welding frame; 2. Z-axis lifting cylinder; 3. Servo cylinder; 4. Linear guide; 5. Auxiliary support welding frame; 6. Lower switching module; 7. Y-axis servo adjustment; 8. Extrusion connection block; 9. Cylinder stroke switching cylinder; 10. Plug-in slot; 11. X-axis servo adjustment; 12. Vertical linear guide; 13. Upper pressure head switching module; 14. Snap-connection extension block; 15. Fall blocking buffer; 16. Extrusion slope baffle; 17. Built-in extrusion reset spring; 18. Blocking buffer center lifting column; 19. Built-in lifting spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides Figure 1-4As shown, a steering gear online press-fitting bushing unit mechanism includes a main support welding frame 1 and a secondary support welding frame 5 arranged at the rear side position of the main support welding frame 1; a Z-axis lifting cylinder 2 is arranged at the rear side position of the main support welding frame 1, a lower switching module 6 and an upper pressure head switching module 14 are arranged at the left end position of the main support welding frame 1, a cylinder stroke switching cylinder 12 is arranged at the right end position of the main support welding frame 1, an X-axis servo adjustment 11 is arranged at the front side of the main support welding frame 1 near the upper end position, and a Y-axis servo adjustment 7 is arranged at the front side of the main support welding frame 1 near the lower end position. A servo press is used to simultaneously press and fit functions, wherein the pressure head switching function can ensure that when two teams of bushings are press-fitted, the pressure head and the product do not interfere with each other, and the servo in the X / Y direction can achieve more flexible press-fitting, and the pressure head can be changed. The utility model ensures that the mechanism can be used for different models. In addition, this unit cooperates with the product to perform online full-automatic press-fitting, saving customers' production costs.

[0023] like Figure 1 As shown, a servo cylinder 3 is arranged on the rear side of the Z-axis lifting cylinder 2 near the upper end. The servo cylinder 3 is connected to the cylinder stroke switching cylinder 9 and the lower switching module 6 on a plate. The servo cylinder 3 is arranged in order to drive the lower switching module 6 to move and provide driving force for the lower switching module 6.

[0024] like Figure 1 As shown, a linear guide rail 4 is arranged near the middle position on the front side of the main support welding frame 1, and there are two linear guide rails 4 in total. The linear guide rails 4 are fixed to the main support welding frame 1 by screws, and a vertical linear guide rail 12 is arranged at the front position of the auxiliary support welding frame 5. There are three groups of vertical linear guide rails 12. The arrangement of the linear guide rails 4 and the vertical linear guide rails 12 plays a guiding and limiting role. The vertical linear guide rails 12 enable the plate where the servo cylinder 3, the cylinder stroke switching cylinder 9 and the lower switching module 6 are located to be able to be moved up and down for adjustment.

[0025] like Figure 1As shown, a plug-in slot 10 is provided at the middle position of the main support welding frame 1, and the plug-in slot 10 is a through-slot structure. An extrusion connection block 8 is provided at the upper end position of the front side of the main support welding frame 1. The extrusion connection block 8 is installed and connected to the main support welding frame 1 by providing screws. A snap-in connection extension block 14 is provided at the middle position of the plug-in slot 10, and a drop blocking buffer 15 is provided at the middle position of the snap-in connection extension block 14. The circular diameter at the middle position of the drop blocking buffer 15 is smaller than the circular diameter near the upper and lower ends. A blocking buffer middle lifting column 18 is provided at the middle position of the drop blocking buffer 15, and a built-in lifting spring 19 is provided at the bottom position of the blocking buffer middle lifting column 18. The drop blocking buffer 15 can support and reduce the extrusion force of the extrusion connection block 8 when it moves downward, and the built-in lifting spring 19 inside it can buffer the downward pressure through elastic force to reduce the extrusion impact force, thereby improving the service life of the plate where the servo cylinder 3, the cylinder stroke switching cylinder 9 and the lower switching module 6 are located to a certain extent.

[0026] like Figure 4 As shown, an extrusion slope baffle 16 is provided at the middle position of the snap-connecting extension block 14, the middle end surface of the extrusion slope baffle 16 is a slope structure, and a built-in extrusion return spring 17 is connected to the inner end position of the extrusion slope baffle 16. Through this improvement, the installation and removal of the drop blocking buffer 15 can be carried out only through the extrusion slope, and the operation is simple, convenient and fast, which can effectively improve the work efficiency of the operator, thereby improving the practicality of the steering gear online press-fit bushing unit mechanism.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A steering gear online press-fit bushing unit mechanism, comprising: A main support welding frame (1) and a secondary support welding frame (5) arranged at a rear side of the main support welding frame (1); Features: A Z-axis lifting cylinder (2) is arranged at the rear side of the main support welding frame (1), a lower switching module (6) and an upper pressure head switching module (13) are arranged at the left end of the main support welding frame (1), a cylinder stroke switching cylinder (9) is arranged at the right end of the main support welding frame (1), an X-axis servo adjustment (11) is arranged at the front side of the main support welding frame (1) near the upper end, and a Y-axis servo adjustment (7) is arranged at the front side of the main support welding frame (1) near the lower end. A servo press is used to realize the functions of simultaneous pressing. The pressure head switching function can ensure that when two teams of bushings are pressed, the pressure head and the product do not interfere with each other. With the servo in the X / Y direction, more flexible pressing can be achieved, and the pressure head can be changed.

2. The steering gear online press-fit bushing unit mechanism according to claim 1, characterized in that: A servo cylinder (3) is arranged on the rear side of the Z-axis lifting cylinder (2) near the upper end, and the servo cylinder (3) is connected to the cylinder stroke switching cylinder (9) and the lower switching module (6) on a plate.

3. The steering gear online press-fit bushing unit mechanism according to claim 1, characterized in that: A linear guide rail (4) is arranged near the middle position on the front side of the main support welding frame (1), and two linear guide rails (4) are arranged in total. The linear guide rails (4) are fixed to the main support welding frame (1) by screws.

4. The steering gear online press-fit bushing unit mechanism according to claim 1, characterized in that: A vertical linear guide rail (12) is arranged at the front side of the auxiliary support welding frame (5), and three groups of the vertical linear guide rails (12) are provided.

5. The steering gear online press-fit bushing unit mechanism according to claim 1, characterized in that: A plug-in slot hole (10) is provided at a middle position of the main support welding frame (1), and the plug-in slot hole (10) is a through slot structure.

6. The steering gear online press-fit bushing unit mechanism according to claim 1, characterized in that: An extrusion connection block (8) is provided at the upper end of the front side of the main support welding frame (1), and the extrusion connection block (8) is installed and connected to the main support welding frame (1) by means of screws.

7. The steering gear online press-fit bushing unit mechanism according to claim 5, characterized in that: A snap-fitting connecting extension block (14) is arranged at the middle position of the plug-in slot (10), a falling blocking buffer (15) is arranged at the middle position of the snap-fitting connecting extension block (14), the circular diameter at the middle position of the falling blocking buffer (15) is smaller than the circular diameter near the upper and lower ends, a blocking buffer middle lifting column (18) is arranged at the middle position of the falling blocking buffer (15), and a built-in lifting spring (19) is arranged at the bottom position of the blocking buffer middle lifting column (18).

8. The steering gear online press-fit bushing unit mechanism according to claim 7, characterized in that: An extrusion slope baffle (16) is arranged at the middle position of the clamping connection extension block (14); the middle end surface of the extrusion slope baffle (16) is a slope structure; and a built-in extrusion return spring (17) is connected to the inner end position of the extrusion slope baffle (16).

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