Press fitting device for rock drill production

Abstract

The utility model provides a press-fitting device for rock drill production. The press-fitting device comprises a vertical frame, a lifting module, a sliding seat, an upper die unit and a lower die unit, the lifting module is vertically mounted on the vertical frame; the sliding seat is mounted on the lifting module; the upper die unit comprises an electric cylinder and a pressure head; the electric cylinder is fixed on the sliding seat; a piston rod of the electric cylinder extends downwards; the pressure head is mounted on a piston rod of the electric cylinder; and various problems existing in manual press fitting in the prior art are solved. Firstly, the device adopts the combination of the vertical frame, the lifting module, the sliding seat and other components, so that the whole press-fitting process can be automatically controlled through electric control, and the assembly efficiency is greatly improved. Besides, an electric cylinder in the upper die unit drives a pressure head to carry out press-fitting operation, so that not only is the stability of the press-fitting process ensured, but also accurate press-fitting of different parts can be realized by adjusting the movement stroke of the pressure head, and the assembly accuracy and consistency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rock drill production, and specifically relates to a pressing device for rock drill production. Background Art

[0002] In modern industrial manufacturing, rock drills are widely used in fields such as mines and construction. The assembly precision of their core components directly affects the service life and working efficiency of the equipment. In traditional assembly processes, bushings, bearings or gear assemblies are usually pressed into the head assembly, impact assembly or gearbox by hand. Although this method is simple and intuitive, since the assembly process requires manual operation, it is not only time-consuming and laborious, but also difficult to guarantee the assembly precision. In addition, there are certain safety hazards in manual operation. Especially during the pressing process, if the applied pressure is uneven or too large, it is easy to cause part damage and even personal injury.

[0003] With the development of automation technology, some pressing devices have gradually emerged on the market, but most of them have problems such as complex structures, inconvenient operation, and high prices, and are not suitable for the widespread application of small and medium-sized enterprises. Therefore, designing a pressing device with a simple structure, convenient operation, and capable of improving assembly efficiency and precision has become the key to solving this technical problem. Summary of the Utility Model

[0004] Aiming at the above-mentioned existing technical deficiencies, the purpose of the utility model is to provide a pressing device for rock drill production to improve assembly efficiency and precision.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A pressing device for rock drill production includes a vertical frame, a lifting module, a sliding seat, an upper die unit and a lower die unit; the lifting module is vertically installed on the vertical frame; the sliding seat is installed on the lifting module; the upper die unit includes an electric cylinder and a pressing head; the electric cylinder is fixed on the sliding seat; the piston rod of the electric cylinder extends downward; the pressing head is installed on the piston rod of the electric cylinder;

[0007] The lower die unit includes a die base, a template and a pressing component; the die base is installed on the vertical frame and is located below the sliding seat; the template is detachably installed on the die base; a locking pin is arranged on the die base, a locking block is arranged on the template, and a locking groove adapted to the locking pin is arranged on the locking block, and one end of the locking pin is inserted into the locking groove; the pressing component includes a vertical seat, a connecting plate, a transmission plate, a driven block and a limiting plate; the vertical seat is fixed on the template; one end of the driven block is pivotally installed on the vertical seat, and the other end is fixedly connected with the limiting plate; the lower end of the connecting plate is hinged and installed on the vertical seat; the transmission plate is placed between the driven block and the connecting plate, the lower end is hinged to the driven block, and the upper end is hinged to the connecting plate; a handle is fixedly arranged on the connecting plate.

[0008] Preferably, the lower die unit further includes a rotary drive; the rotary drive is fixed to one side of the vertical frame; the die base is fixedly connected to the rotary drive.

[0009] Preferably, a chute adapted to the template is provided on the die base, and an opening is provided at one end of the chute away from the rotary drive, and the template is inserted into the chute from the opening.

[0010] Preferably, a first limit block is fixedly provided on the side surface of the vertical seat, and one side of the connecting plate abuts against the first limit block.

[0011] Preferably, two connecting plates and two transmission plates are respectively symmetrically arranged on both sides of the driven block.

[0012] Preferably, a second limit block is provided between the two transmission plates, and both ends of the second limit block are fixedly connected to the two transmission plates; when the transmission plates are in a vertical state, the lower end surface of the second limit block abuts against one side of the driven block.

[0013] Preferably, an adjustment hole is provided on the limit plate; an adjustment screw is movably arranged in the adjustment hole; two adjustment washers and an adjustment nut are arranged on the adjustment screw, and the two adjustment washers and the two adjustment nuts are respectively symmetrically arranged on both sides of the limit plate, and the adjustment washers are located between the limit plate and the adjustment nut; the outer diameter of the adjustment washer is larger than the diameter of the adjustment hole.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] The pressing device provided by the present utility model solves various problems existing in manual pressing in the prior art through a clever structural design. First of all, the device adopts a combination of components such as a vertical frame, a lifting module, and a sliding seat, so that the entire pressing process can be automated through electric control, greatly improving the assembly efficiency. In addition, the electric cylinder in the upper die unit drives the pressing head to perform the pressing operation, which not only ensures the smoothness of the pressing process, but also can realize the precise pressing of different parts by adjusting the movement stroke of the pressing head, improving the accuracy and consistency of the assembly.

[0016] The design of the lower die unit also has significant advantages. By setting the detachable connection between the template and the die base, it is possible to quickly and conveniently replace different workpieces to meet the diverse production needs. At the same time, the introduction of the pressing component ensures the stability of the workpiece during the pressing process, avoiding assembly defects caused by the movement or shaking of the workpiece. The device also enables the operator to easily adjust the workpiece through structures such as a rotary drive and a chute, further improving the production efficiency. Description of the Drawings

[0017] Figure 1It is a schematic structural diagram of the present utility model;

[0018] Figure 2 is Figure 1 a partial enlarged view of the position A in

[0019] Figure 3 It is a schematic structural diagram of the pressing component in the present utility model.

[0020] Wherein:

[0021] 1. Electric cylinder; 2. Slide seat; 3. Pressure head; 4. Upright frame; 5. Slide rail; 6. Slide block; 7. Lock block; 8. Lock pin; 9. Pressing component; 91. Upright seat; 92. First limit block; 93. Connecting plate; 94. Transmission plate; 95. Second limit block; 96. Handle; 97. Adjusting screw; 98. Adjusting nut; 99. Adjusting gasket; 910. Adjusting hole; 911. Limit plate; 10. Template; 11. Die base; 12. Rotary drive. Specific embodiments

[0022] The present utility model will be further described below with reference to the accompanying drawings.

[0023] As Figures 1 to 3 shown, a pressing device for the production of rock drills includes an upright frame 4, a lifting module, a slide seat 2, an upper die unit and a lower die unit; the upright frame 4 serves as the support structure of the entire device and is welded with high-strength steel to ensure the stability and load-bearing capacity of the device. The lifting module is vertically installed on the upright frame 4; the slide seat 2 is installed on the lifting module; the lifting module is an existing product, and the slide seat 2 is fixed at the output end of the lifting module and moves up and down with the rotation of the lead screw of the lifting module. A slide rail 5 is provided on the upright frame 4, and a slide block 6 is provided on the slide seat 2. Through the movement of the slide block 6 on the slide rail 5, the stability and accuracy of the slide seat 2 during movement are ensured. The upper die unit includes an electric cylinder 1 and a pressure head 3; the electric cylinder 1 is fixed on the slide seat 2; the piston rod of the electric cylinder 1 extends downward; the pressure head 3 is installed on the piston rod of the electric cylinder 1 and is used to apply the pressing force. The electric cylinder 1 can be precisely controlled according to the preset stroke and speed to ensure the stability and accuracy of the pressing process;

[0024] The lower die unit includes a die base 11, a template 10, and a pressing assembly 9. The die base 11 is installed on the vertical frame 4 and is located below the sliding seat 2, serving as a support platform for the template 10. The template 10 is customized according to the shape and size of the component to be press-fitted and is detachably installed on the die base 11. A locking pin 8 is provided on the die base 11, and a locking block 7 is provided on the template 10. A locking groove adapted to the locking pin 8 is provided on the locking block 7. One end of the locking pin 8 is inserted into the locking groove for installing and fixing the template 10. The pressing assembly 9 includes a vertical seat 91, a connecting plate 93, a transmission plate 94, a driven block, and a limiting plate 911. The vertical seat 91 is fixed on the template 10. One end of the driven block is pivotally installed on the vertical seat 91, and the other end is fixedly connected to the limiting plate 911, and the limiting plate 911 is used to press the component to be press-fitted. The lower end of the connecting plate 93 is hingedly installed on the vertical seat 91. The transmission plate 94 is placed between the driven block and the connecting plate 93, with the lower end hingedly connected to the driven block and the upper end hingedly connected to the connecting plate 93, forming a four-bar linkage. A handle 96 is fixedly provided on the connecting plate 93 for easy manual operation.

[0025] In this embodiment, the lower die unit further includes a rotary drive 12. The rotary drive 12 is fixed on one side of the vertical frame 4. The die base 11 is fixedly connected to the rotary drive 12 to realize the rotation function of the die base 11 and the template 10.

[0026] In this embodiment, a chute adapted to the template 10 is provided on the die base 11. An opening is provided at one end of the chute away from the rotary drive 12, and the template 10 is inserted into the chute from the opening.

[0027] In this embodiment, a first limiting block 92 is fixedly provided on the side surface of the vertical seat 91. One side of the connecting plate 93 abuts against the first limiting block 92, and the first limiting block 92 is used to limit the downward rotation angle of the connecting plate 93.

[0028] In this embodiment, two connecting plates 93 and two transmission plates 94 are respectively arranged symmetrically on both sides of the driven block.

[0029] In this embodiment, a second limiting block 95 is provided between the two transmission plates 94. Both ends of the second limiting block 95 are fixedly connected to the two transmission plates 94. When the transmission plates 94 are in a vertical state, the lower end surface of the second limiting block 95 abuts against one side of the driven block, presenting a dead point state to fix the position of the limiting plate 911.

[0030] In this embodiment, an adjustment hole 910 is provided on the limit plate 911; an adjustment screw 97 is movably arranged in the adjustment hole 910; two adjustment washers 99 and an adjustment nut 98 are arranged on the adjustment screw 97, and the two adjustment washers 99 and the two adjustment nuts 98 are symmetrically arranged on both sides of the limit plate 911 respectively, and the adjustment washer 99 is located between the limit plate 911 and the adjustment nut 98; the outer diameter of the adjustment washer 99 is larger than the diameter of the adjustment hole 910.

[0031] Working principle:

[0032] Preparation stage: Select a suitable template 10 according to production requirements and install it on the die base 11. Place the component to be press-fitted in the positioning groove of the template 10 and ensure its correct position.

[0033] Fixing stage: Rotate the grip 96, drive the limit plate 911 to move downward through the four-bar linkage mechanism, and press the component to be press-fitted. At this time, the adjustment screw 97 can adjust the pressing force between the limit plate 911 and the component to be press-fitted as needed to ensure the stability and accuracy during the press-fitting process.

[0034] Press-fitting stage: Start the lifting module to drive the slide seat 2 and the upper die unit to move downward. When the press head 3 contacts the component to be press-fitted, the electric cylinder 1 starts to work, pushing the press head 3 to continue moving downward to press-fit components such as a bushing, a bearing or a gear assembly into the head assembly, the impact assembly or the gearbox. During the press-fitting process, the electric cylinder 1 can be precisely controlled according to the preset stroke and speed to ensure the uniform application of the press-fitting force and the accurate control of the press-fitting depth.

[0035] Completion stage: After the press-fitting is completed, the electric cylinder 1 stops working, and the lifting module drives the slide seat 2 and the upper die unit to move upward and reset. At this time, the grip 96 can be released, and the limit plate 911 is driven to rise through the four-bar linkage mechanism to release the component to be press-fitted. Then the press-fitted component can be taken out for the next round of operation or quality inspection.

Claims

1. A press-fit device for rock drilling production, characterized in that: The invention comprises a stand (4), a lifting module, a slide seat (2), an upper die unit and a lower die unit; the lifting module is vertically mounted on the stand (4); the slide seat (2) is mounted on the lifting module; the upper die unit comprises an electric cylinder (1) and a pressing head (3); the electric cylinder (1) is fixed on the slide seat (2); the piston rod of the electric cylinder (1) is extended downward; and the pressing head (3) is mounted on the piston rod of the electric cylinder (1); The lower mold unit comprises a mold base (11), a mold plate (10), and a clamping assembly (9); the mold base (11) is mounted on a stand (4) and is located below a slide seat (2); the mold plate (10) is detachably mounted on the mold base (11); a locking pin (8) is provided on the mold base (11), a locking block (7) is provided on the mold plate (10), a locking groove (7) adapted to the locking pin (8) is provided on the locking block (7), and one end of the locking pin (8) is inserted into the locking groove; the clamping assembly (9) comprises a stand (91), a connecting plate (93), A transmission plate (94), a driven block and a limit plate (911); the stand (91) is fixed on the template (10); one end of the driven block is pivotally mounted on the stand (91), and the other end is fixedly connected to the limit plate (911); the lower end of the connecting plate (93) is hingedly mounted on the stand (91); the transmission plate (94) is placed between the driven block and the connecting plate (93), the lower end is hingedly connected to the driven block, and the upper end is hingedly connected to the connecting plate (93); a handle (96) is fixedly arranged on the connecting plate (93).

2. The press-fitting device for rock drilling production according to claim 1, characterized in that: The lower mold unit also includes a rotary drive (12); the rotary drive (12) is fixed on one side of the stand (4); and the mold base (11) is fixedly connected to the rotary drive (12).

3. The press-fitting device for rock drilling production according to claim 2, characterized in that: The mold base (11) is provided with a slide groove matched with the template (10), and an opening is provided at one end of the slide groove away from the rotary drive (12), and the template (10) is inserted into the slide groove from the opening.

4. The press-fitting device for rock drilling production according to claim 1, characterized in that: A first limiting block (92) is fixedly provided on the side of the stand (91), and one side of the connecting plate (93) abuts against the first limiting block (92).

5. The press-fitting device for rock drilling production according to claim 1, characterized in that: The connecting plates (93) and the transmission plates (94) are each provided with two and are symmetrically arranged on both sides of the driven block.

6. The press-fitting device for rock drilling production according to claim 5, characterized in that: A second limit block (95) is arranged between the two transmission plates (94), and two ends of the second limit block (95) are fixedly connected to the two transmission plates (94); when the transmission plates (94) are in a vertical state, the lower end surface of the second limit block (95) abuts against one side of the driven block.

7. The press-fitting device for rock drilling production according to claim 1, characterized in that: The limiting plate (911) is provided with an adjustment hole (910); an adjustment screw (97) is movably provided in the adjustment hole (910); two adjustment washers (99) and an adjustment nut (98) are provided on the adjustment screw (97); the two adjustment washers (99) and the two adjustment nuts (98) are symmetrically arranged on both sides of the limiting plate (911), and the adjustment washers (99) are located between the limiting plate (911) and the adjustment nuts (98); the outer diameter of the adjustment washers (99) is greater than the diameter of the adjustment hole (910).

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