Automatic pinning machine

Abstract

This utility model discloses an automatic pin-pressing machine, relating to the field of pin-pressing machine technology. It includes a base plate, a rack fixed to one end of the top outer wall of the base plate, a moving groove formed on the top outer wall of the base plate, a moving block slidably connected to the inner wall of the moving groove, a moving plate fixed to the top outer wall of the moving block, and a first stepper motor mounted on the top outer wall of the moving plate. A gear is fixed to the output shaft of the first stepper motor. This utility model allows the device to be placed next to an excavator being assembled. When pins need to be installed, the first stepper motor drives the gear to rotate. During rotation, the gear applies force to the rack, thereby pushing the moving plate to move. The horizontal position of the hydraulic push rod can be adjusted. After adjustment, the height of the fixed plate and the hydraulic push rod can be adjusted via a lifting assembly to align the hydraulic push rod with the pin mounting hole, facilitating the pressing of the pin into the mounting hole. The electric operation makes it more convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of pinning machines, in particular to an automatic pinning machine. Background Art

[0002] An excavator, also known as a backhoe, is an earth-moving machine that uses a bucket to dig materials above or below the bearing surface and loads them into a transport vehicle or unloads them to a stockpile. During the assembly process of the excavator, a pinning machine is required to insert pins into the mounting holes of its crawler and mechanical arm. The current pinning machine can effectively press the pins into the mounting holes, but before use, the pinning machine needs to be manually pulled and adjusted according to the position of the mounting hole so that the hydraulic part of the pinning machine is aligned with the mounting hole, which is not convenient to use. Utility Model Content

[0003] The utility model provides an automatic pinning machine, which can adjust the position and height of the hydraulic part in the pinning machine through electric operation, so that it is convenient to align with the installation hole and is more convenient to use.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The automatic pin pressing machine comprises a base plate, a rack is fixed to one end of the top outer wall of the base plate, a movable groove is opened on the top outer wall of the base plate, a movable block is slidably connected to the inner wall of the movable groove, a movable plate is fixed to the top outer wall of the movable block, a No. 1 stepper motor is installed on the top outer wall of the movable plate, a gear is fixed to the output shaft of the No. 1 stepper motor, a vertical plate is installed at one end of the top outer wall of the movable plate, a slide groove is opened on one side outer wall of the vertical plate, a lifting component is installed on the inner wall of the slide groove, a fixed plate is installed on one side outer wall of the lifting component, a hydraulic push rod is inserted into the outer wall of one side of the fixed plate, and a pressing plate is fixed to one end of the piston rod of the hydraulic push rod.

[0006] Through the above scheme, the device can be placed next to the excavator being assembled. When the pin needs to be installed, the gear can be driven to rotate by the No. 1 stepper motor. During the rotation of the gear, force can be applied to the rack to push the movable plate to move. The horizontal position of the hydraulic push rod can be adjusted. After the adjustment, the height of the fixed plate and the hydraulic push rod can also be adjusted by the lifting assembly, so that the hydraulic push rod and the pin installation hole are aligned, which is convenient for pressing the pin into the installation hole. Through electric operation, it is more convenient to use.

[0007] Preferably, the lifting assembly includes a No. 2 stepper motor, a threaded rod connected to the output shaft of the No. 2 stepper motor, and a slider screwed to the threaded rod.

[0008] Through the above scheme, the second stepper motor can drive the threaded rod to rotate, so that the slider can move upward or downward in the slide groove.

[0009] Preferably, the gear is meshed with a rack.

[0010] Through the above solution, the gear can smoothly apply force to the rack when rotating.

[0011] Preferably, a mounting hole is opened on an outer wall of one side of the fixing plate, and a hydraulic push rod is fixed on the inner wall of the mounting hole.

[0012] Through the above scheme, the plug-in installation of the hydraulic push rod is completed.

[0013] Preferably, the hydraulic push rod is powered by a pneumatic tensioning pump box.

[0014] Through the above scheme, the hydraulic push rod can operate smoothly.

[0015] Preferably, the No. 1 stepper motor and the No. 2 stepper motor are connected to a control switch via a wire, and the switch is connected to an external power source via a power line.

[0016] Through the above scheme, stepper motor No. 1 and stepper motor No. 2 can be powered on and run.

[0017] The beneficial effects of the utility model are:

[0018] The device can be placed next to the excavator being assembled. When the pin needs to be installed, the gear can be driven to rotate by the No. 1 stepper motor. During the rotation of the gear, force can be applied to the rack to push the movable plate to move. The horizontal position of the hydraulic push rod can be adjusted. After the adjustment, the height of the fixed plate and the hydraulic push rod can also be adjusted by the lifting assembly, so that the hydraulic push rod and the pin installation hole are aligned, which is convenient for pressing the pin into the installation hole. Through electric operation, it is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional cross-sectional view of the automatic pinning machine proposed in the utility model;

[0020] Figure 2 This is a three-dimensional external view of the automatic pinning machine proposed by the utility model;

[0021] Figure 3 This is a partial enlarged view of the automatic pinning machine proposed in the utility model.

[0022] In the figure: 1. base plate; 2. rack; 3. moving groove; 4. moving block; 5. moving plate; 6. stepper motor No. 1; 7. gear; 8. vertical plate; 9. slide groove; 10. fixed plate; 11. hydraulic push rod; 12. pressure plate; 13. stepper motor No. 2; 14. threaded rod; 15. slider. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Reference Figure 1-3 , an automatic pinning machine, comprising a base plate 1, a rack 2 is fixed at one end of the top outer wall of the base plate 1, a moving groove 3 is opened on the top outer wall of the base plate 1, a moving block 4 is slidably connected to the inner wall of the moving groove 3, a moving plate 5 is fixed to the top outer wall of the moving block 4, a No. 1 stepper motor 6 is installed on the top outer wall of the moving plate 5, a gear 7 is fixed to the output shaft of the No. 1 stepper motor 6, the gear 7 is meshed with the rack 2, and the gear 7 can smoothly apply force to the rack 2 when rotating;

[0025] A vertical plate 8 is installed at one end of the outer wall at the top of the moving plate 5, a slide groove 9 is opened on the outer wall of one side of the vertical plate 8, and a lifting assembly is installed on the inner wall of the slide groove 9. The lifting assembly includes a No. 2 stepper motor 13, a threaded rod 14 connected to the output shaft of the No. 2 stepper motor 13, and a slider 15 screwed on the threaded rod 14. The No. 2 stepper motor 13 can drive the threaded rod 14 to rotate, so that the slider 15 can move upward or downward in the slide groove 9;

[0026] A fixing plate 10 is installed on the outer wall of one side of the lifting component, a hydraulic push rod 11 is plugged into the outer wall of one side of the fixing plate 10, a mounting hole is opened on the outer wall of one side of the fixing plate 10, and the hydraulic push rod 11 is fixed to the inner wall of the mounting hole, thereby completing the plug-in installation of the hydraulic push rod 11;

[0027] A pressure plate 12 is fixed at one end of the piston rod of the hydraulic push rod 11. The device can be placed next to the excavator being assembled. When the pin needs to be installed, the gear 7 can be driven to rotate by the No. 1 stepper motor 6. During the rotation, the gear 7 can exert force on the rack 2 to push the movable plate 5 to move. The horizontal position of the hydraulic push rod 11 can be adjusted. After the adjustment, the height of the fixed plate 10 and the hydraulic push rod 11 can also be adjusted by the lifting assembly, so that the hydraulic push rod 11 is aligned with the pin installation hole, which is convenient for pressing the pin into the installation hole. Through electric operation, it is more convenient to use.

[0028] Working principle: The device can be placed next to the excavator being assembled. When the pin needs to be installed, the gear 7 can be driven to rotate by the No. 1 stepper motor 6. During the rotation, the gear 7 can exert force on the rack 2 to push the movable plate 5 to move. The horizontal position of the hydraulic push rod 11 can be adjusted. After the adjustment, the threaded rod 14 can be driven to rotate by the No. 2 stepper motor 13, so that the slider 15 can move up or down in the slide groove 9, and then the height of the fixed plate 10 and the hydraulic push rod 11 can be adjusted, so that the hydraulic push rod 11 is aligned with the pin installation hole, which is convenient for pressing the pin into the installation hole through the hydraulic push rod 11. Through electric operation, it is more convenient to use.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic pinning machine, comprising a base plate (1), characterized in that: A rack (2) is fixed to one end of the top outer wall of the base plate (1); a movable groove (3) is opened on the top outer wall of the base plate (1); a movable block (4) is slidably connected to the inner wall of the movable groove (3); a movable plate (5) is fixed to the top outer wall of the movable block (4); a No. 1 stepper motor (6) is installed on the top outer wall of the movable plate (5); a gear (7) is fixed to the output shaft of the No. 1 stepper motor (6); a vertical plate (8) is installed to one end of the top outer wall of the movable plate (5); a sliding groove (9) is opened on one side outer wall of the vertical plate (8); a lifting component is installed on the inner wall of the sliding groove (9); a fixed plate (10) is installed on one side outer wall of the lifting component; a hydraulic push rod (11) is inserted into the outer wall of one side of the fixed plate (10); a pressure plate (12) is fixed to one end of the piston rod of the hydraulic push rod (11).

2. The automatic pinning machine according to claim 1, characterized in that: The lifting assembly comprises a No. 2 stepping motor (13), a threaded rod (14) connected to the output shaft of the No. 2 stepping motor (13), and a sliding block (15) screwed onto the threaded rod (14).

3. The automatic pinning machine according to claim 1, characterized in that: The gear (7) is meshed with the rack (2).

4. The automatic pinning machine according to claim 1, characterized in that: A mounting hole is formed on an outer wall of one side of the fixing plate (10), and a hydraulic push rod (11) is fixed on the inner wall of the mounting hole.

5. The automatic pinning machine according to claim 1, characterized in that: The hydraulic push rod (11) is powered by a pneumatic tensioning pump box.

6. The automatic pinning machine according to claim 2, characterized in that: The first stepping motor (6) and the second stepping motor (13) are connected to a control switch via a wire, and the switch is connected to an external power source via a power line.

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