Accurate drilling device for rocker arm shaft production

Abstract

The utility model relates to the technical field of rocker arm shaft drilling, and discloses an accurate drilling device for rocker arm shaft production, which comprises a drilling groove and a drilling mechanism, and a second moving box is mounted on the left side wall of the drilling groove; a second driving motor is installed on the rear end wall of the second moving box, the front end of the second driving motor penetrates through the second moving box and is provided with a second ball screw, a sliding seat is installed on the second ball screw in a transmission mode, a second electric hydraulic cylinder is installed at the upper end of the sliding seat, and a first sliding box is installed at the upper end of the second electric hydraulic cylinder; a first driving motor is mounted on the left side wall of the first sliding box, a first ball screw is mounted on the first driving motor through a coupler, and a screw sliding seat is mounted on the first ball screw in a transmission manner; the rocker arm shaft is placed in the drilling groove, the first electric hydraulic cylinder is started, the two ends of the rocker arm shaft are extruded and fixed, the friction force between the extrusion block and the rocker arm shaft is increased through the extrusion block, skid resistance is avoided, the stability during drilling operation is improved, and the drilling operation is not affected.

Description

Technical Field

[0001] The utility model relates to the technical field of rocker shaft drilling, in particular to a precision drilling device for rocker shaft production. Background Art

[0002] In the existing rocker shaft production process, the drilling process is a crucial step.

[0003] Traditional drilling equipment requires manual adjustment of the position of the drilling mechanism, which is time-consuming and labor-intensive, reducing the efficiency of the operation. It also has problems such as inaccurate positioning and low drilling accuracy, causing the rocker shaft to easily wear out or even fail during use, failing to meet production standards and resulting in waste of the rocker shaft. In addition, when performing precise drilling operations on the rocker shaft, the rocker shaft is not equipped with a clamping structure, causing the position of the rocker shaft to shift, thereby affecting the drilling operation. Summary of the Invention

[0004] In view of the deficiencies in the prior art, the present invention provides a precise drilling device for rocker shaft production, which has the advantages of high precision and solves the problems raised in the background art.

[0005] In order to achieve the above-mentioned high precision purpose, the present utility model provides the following technical solutions: a precision drilling device for rocker shaft production, comprising a drilling slot and a drilling mechanism, wherein a second movable box is installed on the left side wall of the drilling slot;

[0006] A second driving motor is installed on the rear end wall of the second movable box, and the front end of the second driving motor passes through the second movable box and is installed with a second ball screw. A sliding seat is installed on the second ball screw for transmission, and a second electric hydraulic cylinder is installed on the upper end of the sliding seat. A first sliding box is installed on the upper end of the second electric hydraulic cylinder. The first driving motor is installed on the left side wall of the first sliding box, and the first driving motor is installed with a first ball screw through a coupling. A screw slide is installed on the first ball screw for transmission, and the lower end of the screw slide passes through the first sliding box and is installed with a third electric hydraulic cylinder. The lower end of the third electric hydraulic cylinder is threadedly connected to the upper end of the drilling mechanism.

[0007] As a further solution of the present invention: three first electric hydraulic cylinders are installed on both inner walls of the drilling groove, and extrusion blocks are installed at the front ends of the first electric hydraulic cylinders. Anti-slip particles are provided on the surfaces of the extrusion blocks. The rocker shaft is placed in the drilling groove, and the first electric hydraulic cylinder is started to squeeze and fix the two ends of the rocker shaft. The extrusion blocks increase the friction between the rocker shaft and the rocker shaft, avoid slipping, improve the stability during drilling operations, and do not affect the drilling operations.

[0008] As a further solution of the present invention: a storage groove is provided at the lower part of the front end wall of the drilling groove, a drawer is slidably installed inside the storage groove, and box doors are hinged on both side walls of the storage groove. A plurality of small holes are provided at the bottom end of the drilling groove, and the small holes are connected to the drawers. Impurities generated by the drilling operation enter the drawer through the small holes. The two doors are opened, the drawer is pulled out, and the impurities are removed.

[0009] As a further solution of the present invention: two supporting legs are installed on the left part of the lower end of the second moving box, and the supporting legs support the second moving box to improve stability.

[0010] As a further solution of the present invention: a control box is installed on the left side of the front end wall of the drilling slot, and a control panel is installed on the upper end of the control box. The control panel receives sensor signals, controls the movement of the motor, and realizes automatic drilling.

[0011] As a further solution of the present invention: a sensor is installed at the lower end of the drilling mechanism, and the sensor is used to detect the drilling depth and position to ensure the accuracy of the drilling.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. In the utility model, by starting the second drive motor, the second ball screw is driven to rotate through the coupling, the sliding seat is driven to move back and forth, and the second electric hydraulic cylinder is driven to move back and forth, thereby adjusting the different front and rear positions of the drilling mechanism, and realizing the adjustment of different positions of the rocker arm shaft. By starting the second electric hydraulic cylinder and the third electric hydraulic cylinder, the drilling mechanism can be driven to adjust the up and down heights, thereby realizing drilling operations of different depths. By starting the first drive motor, the first ball screw is driven to rotate through the coupling, the screw slide is driven to move left and right, and the drilling mechanism is driven to adjust the left and right positions, thereby realizing drilling operations at different positions of the rocker arm shaft, replacing manual adjustment of the drilling machine for operation, saving time and effort, improving operation efficiency, accurate positioning, high drilling accuracy, avoiding wear and failure of the rocker arm shaft during use, meeting production standards, and avoiding waste of the rocker arm shaft.

[0014] 2. In the present invention, the rocker shaft is placed in the drilling groove, and the first electric hydraulic cylinder is started to squeeze and fix the two ends of the rocker shaft. The squeezing block increases the friction between the rocker shaft and the rocker shaft, avoids slipping, improves the stability during drilling operation, and does not affect the drilling operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is a schematic structural diagram of the first sliding box in the present utility model;

[0017] Figure 3 For this utility model Figure 2 A magnified schematic diagram.

[0018] In the figure: 1. Drilling slot; 2. First electric hydraulic cylinder; 3. Control panel; 4. First sliding box; 5. First drive motor; 6. Second drive motor; 7. Second moving box; 8. Support foot; 9. Second electric hydraulic cylinder; 10. Second ball screw; 11. Drawer; 12. Box door; 13. Screw slide; 14. First ball screw; 15. Third electric hydraulic cylinder; 16. Sensor; 17. Drilling mechanism. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] It should be noted that the sensor 16 and the drilling mechanism are both existing technologies and are common knowledge to those skilled in the art, and will not be described in detail here.

[0021] See also Figures 1 to 3 In the embodiment of the present utility model, a precision drilling device for producing a rocker shaft includes a drilling slot 1 and a drilling mechanism 17. A second movable box 7 is installed on the left side wall of the drilling slot 1.

[0022] A second driving motor 6 is installed on the rear end wall of the second movable box 7, and the front end of the second driving motor 6 passes through the second movable box 7 and is installed with a second ball screw 10. A sliding seat is installed on the second ball screw 10 for transmission, and a second electric hydraulic cylinder 9 is installed on the upper end of the sliding seat. The first sliding box 4 is installed on the upper end of the second electric hydraulic cylinder 9. The first driving motor 5 is installed on the left side wall of the first sliding box 4. The first driving motor 5 is installed with a first ball screw 14 through a coupling. A screw slide 13 is installed on the first ball screw 14 for transmission, and the lower end of the screw slide 13 passes through the first sliding box 4 and is installed with a third electric hydraulic cylinder 15. The lower end of the third electric hydraulic cylinder 15 is threadedly connected to the upper end of the drilling mechanism 17.

[0023] Wherein, three first electric hydraulic cylinders 2 are installed on both inner side walls of the drilling slot 1, and extrusion blocks are installed on the front ends of the first electric hydraulic cylinders 2. Anti-skid particles are provided on the surface of the extrusion blocks. The rocker shaft is placed in the drilling slot 1, and the first electric hydraulic cylinder 2 is started to squeeze and fix the two ends of the rocker shaft. The extrusion blocks increase the friction between the rocker shaft and avoid anti-skid, thereby improving the stability during drilling operation and not affecting the drilling operation. A storage slot is provided at the lower part of the front end wall of the drilling slot 1, and a drawer 11 is slidably installed inside the storage slot. Box doors 12 are hinged on both side walls of the storage slot. A plurality of small holes are provided at the bottom end of the drilling slot 1, and the small holes are aligned with the rocker shaft. The drawers 11 are connected, and impurities generated by the drilling operation enter the drawer 11 through the small holes. The two box doors 12 are opened, the drawer 11 is pulled out, and the impurities are removed; two supporting feet 8 are installed on the left side of the lower end of the second movable box 7, and the supporting feet 8 support the second movable box 7 to improve stability; a control box is installed on the left side of the front end wall of the drilling groove 1, and a control panel 3 is installed on the upper end of the control box. The control panel 3 receives the sensor 16 signal to control the movement of the motor to realize automatic drilling; a sensor 16 is installed at the lower end of the drilling mechanism 17. The sensor 16 is used to detect the drilling depth and position to ensure the accuracy of the drilling.

[0024] The working principle of the utility model is as follows: place the device where the operation needs to be carried out, connect the power supply, keep the device in the energized state, place the rocker shaft in the drilling slot 1, start the first electric hydraulic cylinder 2, squeeze and fix the two ends of the rocker shaft, the squeezing block increases the friction between the rocker shaft and the rocker shaft, avoids anti-slip, and improves the stability during the drilling operation, start the drilling mechanism 17, drive the drilling head to move downward, and perform drilling operations on the surface of the rocker shaft. The sensor 16 is used to detect the drilling depth and position to ensure the accuracy of the drilling. Operate on the control panel 3, start the second drive motor 6, drive the second ball screw 10 to rotate through the coupling, and drive the sliding seat to move back and forth. Drive the second electric hydraulic cylinder 9 to move forward and backward, thereby adjusting the different front and rear positions of the drilling mechanism 17, and realizing the adjustment of different positions of the rocker shaft. Start the second electric hydraulic cylinder 9 and the third electric hydraulic cylinder 15, which can drive the drilling mechanism 17 to adjust the up and down height, thereby realizing drilling operations of different depths. Start the first drive motor 5, and drive the first ball screw 14 to rotate through the coupling, drive the screw slide 13 to move left and right, and drive the drilling mechanism 17 to adjust the left and right position, thereby realizing the drilling operation at different positions of the rocker shaft. The impurities generated by the drilling operation enter the drawer 11 through the small hole. Open the two box doors 12, pull out the drawer 11, and remove the impurities.

[0025] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A precision drilling device for producing a rocker shaft, comprising a drilling slot (1) and a drilling mechanism (17), wherein a second movable box (7) is installed on the left side wall of the drilling slot (1); Its characteristics are: A second driving motor (6) is installed on the rear end wall of the second movable box (7), a front end of the second driving motor (6) passes through the second movable box (7) and is installed with a second ball screw (10), a sliding seat is installed on the second ball screw (10), a second electric hydraulic cylinder (9) is installed on the upper end of the sliding seat, a first sliding box (4) is installed on the upper end of the second electric hydraulic cylinder (9), a first driving motor (5) is installed on the left side wall of the first sliding box (4), the first driving motor (5) is installed with a first ball screw (14) through a coupling, a screw slide (13) is installed on the first ball screw (14), a lower end of the screw slide (13) passes through the first sliding box (4) and is installed with a third electric hydraulic cylinder (15), and the lower end of the third electric hydraulic cylinder (15) is threadedly connected to the upper end of the drilling mechanism (17).

2. The precision drilling device for rocker arm shaft production according to claim 1, characterized in that: Three first electric hydraulic cylinders (2) are installed on both inner side walls of the drilling slot (1), and extrusion blocks are installed at the front ends of the first electric hydraulic cylinders (2), and anti-skid particles are provided on the surfaces of the extrusion blocks.

3. The precision drilling device for rocker arm shaft production according to claim 1, characterized in that: A storage slot is provided at the lower portion of the front end wall of the drilling slot (1), a drawer (11) is slidably mounted inside the storage slot, and doors (12) are hingedly connected to both side walls of the storage slot. A plurality of small holes are provided at the bottom end of the drilling slot (1), and the small holes are communicated with the drawer (11).

4. The precision drilling device for rocker arm shaft production according to claim 1, characterized in that: Two supporting legs (8) are installed on the left side of the lower end of the second movable box (7).

5. The precision drilling device for rocker arm shaft production according to claim 1, characterized in that: A control box is installed on the left side of the front end wall of the drilling slot (1), and a control panel (3) is installed on the upper end of the control box.

6. The precision drilling device for rocker arm shaft production according to claim 1, characterized in that: A sensor (16) is installed at the lower end of the drilling mechanism (17).

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