Pin chamfering machining device

Abstract

The utility model discloses a pin chamfer machining device which comprises a base, a mounting seat is installed on the base in a sliding mode, two moving seats are installed on the mounting seat through a translation mechanism, the translation mechanism is used for driving the two moving seats to synchronously move towards each other or move away from each other, a first motor is installed on each moving seat, and a second motor is installed on each moving seat. A grinding wheel is fixed to an output shaft of the first motor, a conical groove is formed in the end face of the grinding wheel, a supporting block is fixed to the base through a supporting column, a supporting seat is fixed to the top of the base, a second hydraulic cylinder is installed on the supporting seat, and a pressing block is fixed to a piston rod of the second hydraulic cylinder. According to the pin chamfering machine, a pin can be positioned, the pin is pressed on the supporting block through the pressing block, chamfers of different sizes can be machined through feeding of the grinding wheel, the two ends of the pin can be synchronously chamfered, and efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of pin chamfering, in particular to a pin chamfering processing device. Background Art

[0002] A cylindrical pin is a headless hollow cylindrical body with an axial slot and chamfered ends. It is used for positioning, connecting, and fixing parts. For example, China, with the authorization announcement number CN 201461662 U, discloses a cylindrical pin. It needs to have good elasticity and shear resistance, and its outer diameter is usually slightly larger than the assembly hole diameter. Cylindrical pins can be divided into positioning pins, connecting pins, and safety pins according to their functions. Among them, positioning pins are mainly used to fix the relative position between parts and are important auxiliary parts during combined processing and assembly.

[0003] At present, the chamfering processing of both ends of a cylindrical pin is generally divided into two processes, one end is processed separately, so the overall processing efficiency is low. In order to improve the processing efficiency of the cylindrical pin chamfering, we propose a pin chamfering processing device. Summary of the invention

[0004] The utility model aims to solve the shortcomings in the prior art and provides a pin chamfering processing device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A pin chamfering processing device comprises a base, a mounting seat is slidably mounted on the base, two movable seats are mounted on the mounting seat via a translation mechanism, the translation mechanism is used to drive the two movable seats to move synchronously toward or away from each other, a first motor is mounted on the movable seat, a grinding wheel is fixed to the output shaft of the first motor, a conical groove is provided on the end face of the grinding wheel, a support block is fixed to the base via a support column, a support seat is fixed to the top of the base, a second hydraulic cylinder is mounted on the support seat, and a pressure block is fixed to the piston rod of the second hydraulic cylinder.

[0007] Preferably, a first hydraulic cylinder is installed on the side of the support seat, a piston rod of the first hydraulic cylinder is fixed on the mounting seat, and the first hydraulic cylinder is used to push the mounting seat to translate.

[0008] Preferably, a slide rail is fixed to the bottom of the mounting seat, a slide groove is provided on the base, and the slide rail is slidably mounted in the slide groove of the base.

[0009] Preferably, the translation mechanism includes a second motor, a slider, and a screw. The second motor is mounted on a mounting seat. The output shaft of the second motor is connected to the screw. Two sliders are connected to the screw via threads with opposite rotation directions. The two sliders are respectively fixed on two moving seats.

[0010] Preferably, a guide column is slidably sleeved on the support seat, and the guide column is fixed on the pressing block.

[0011] Preferably, a waste chip recovery groove is fixed on the side of the movable seat.

[0012] Preferably, arc-shaped slots are provided on the pressing block and the supporting block.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, the pin is placed on the support block, and the translation mechanism drives the two moving seats to move synchronously toward each other, so that the pin can be slightly clamped from both ends of the pin by two grinding wheels, so that the positioning of the pin can be achieved. After positioning, the second hydraulic cylinder pushes the pressing block downward, and the pin is pressed tightly on the support block by the pressing block. At this time, the first motor drives the grinding wheel to rotate, and the grinding wheel chamfers the end face of the pin through the tapered groove. Through the feeding of the grinding wheel, chamfers of different sizes can be processed, and the two ends of the pin can be chamfered synchronously, which is highly efficient;

[0015] 2. In the utility model, the guide column facilitates to improve the stability of the movement of the pressing block; the waste chip recovery groove can collect the chips after grinding; the arc-shaped card slot helps to better clamp the pin; the position of the mounting seat can be adjusted by the first hydraulic cylinder, so that the two grinding wheels can better synchronously clamp and position the pin, thereby facilitating chamfering. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a pin chamfering processing device proposed by the utility model;

[0017] Figure 2 A cross-sectional view of a mounting seat of a pin chamfering processing device proposed in the utility model;

[0018] Figure 3 This is a structural schematic diagram of a support block of a pin chamfering processing device proposed by the utility model;

[0019] Figure 4 The utility model is a schematic structural diagram of a pressing block of a pin chamfering processing device.

[0020] In the figure: 1 base, 2 translation mechanism, 21 second motor, 22 slider, 23 screw rod, 3 support column, 4 support block, 5 slide rail, 6 mounting seat, 7 first hydraulic cylinder, 8 first motor, 9 moving seat, 10 grinding wheel, 11 pressure block, 12 guide column, 13 second hydraulic cylinder, 14 support seat, 15 waste chip recovery groove. DETAILED DESCRIPTION

[0021] 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.

[0022] Reference Figure 1 , Figure 2 A pin chamfering processing device includes a base 1, a mounting seat 6 is slidably mounted on the base 1, two moving seats 9 are mounted on the mounting seat 6 through a translation mechanism 2, the translation mechanism 2 is used to drive the two moving seats 9 to move synchronously toward each other or synchronously away from each other, and the translation mechanism 2 drives the two moving seats 9 to move synchronously toward each other, so that the pin can be slightly clamped from both ends of the pin by two grinding wheels 10, so that the positioning of the pin can be achieved, a first motor 8 is mounted on the moving seat 9, and a grinding wheel 10 is fixed to the output shaft of the first motor 8, and the end surface of the grinding wheel 10 is provided A conical groove is provided, and the first motor 8 drives the grinding wheel 10 to rotate. The grinding wheel 10 chamfers the end face of the pin through the conical groove. By feeding the grinding wheel 10, chamfers of different sizes can be processed. A support block 4 is fixed on the base 1 through a support column 3, and the pin is placed on the support block 4. A support seat 14 is fixed on the top of the base 1, and a second hydraulic cylinder 13 is installed on the support seat 14. A pressure block 11 is fixed to the piston rod of the second hydraulic cylinder 13. The second hydraulic cylinder 13 pushes the pressure block 11 downward, and the pin is pressed against the support block 4 through the pressure block 11.

[0023] Reference Figure 1 A first hydraulic cylinder 7 is installed on the side of the support seat 14, and the piston rod of the first hydraulic cylinder 7 is fixed on the mounting seat 6. The first hydraulic cylinder 7 is used to push the mounting seat 6 to translate. The position of the mounting seat 6 can be adjusted by the first hydraulic cylinder 7 so that the two grinding wheels 10 can better and synchronously clamp and position the pin, thereby facilitating chamfering.

[0024] Reference Figure 1 A slide rail 5 is fixed to the bottom of the mounting seat 6, a slide groove is provided on the base 1, and the slide rail 5 is slidably installed in the slide groove of the base 1. By moving the slider 5 in the slide groove, the stability of the movement of the mounting seat 6 can be improved.

[0025] Reference Figure 2 The translation mechanism 2 includes a second motor 21, a slider 22, and a screw 23. The second motor 21 is installed on the mounting seat 6. The output shaft of the second motor 21 is connected to the screw 23. Two sliders 22 are connected to the screw 23 through threads with opposite rotation directions. The two sliders 22 are respectively fixed on two moving seats 9. The second motor 21 drives the screw 23 to rotate. The screw 23 drives the sliders 22 to move toward or away from each other through threads with opposite rotation directions. The sliders 22 drive the moving seats 9 to move synchronously.

[0026] Reference Figure 1A guide column 12 is slidably sleeved on the support seat 14 , and the guide column 12 is fixed on the pressing block 11 , so as to improve the stability of the movement of the pressing block 11 .

[0027] Reference Figure 2 A waste chip recovery groove 15 is fixed on the side of the movable seat 9, and the waste chip recovery groove 15 can collect the chips after grinding.

[0028] Reference Figure 3 , Figure 4 The pressing block 11 and the supporting block 4 are both provided with arc-shaped slots, which help to better clamp the pins.

[0029] Working principle: When in use, the pin is placed on the support block 4, and the translation mechanism 2 drives the two moving seats 9 to move toward each other synchronously, so that the pin can be slightly clamped from both ends of the pin by the two grinding wheels 10, so that the positioning of the pin can be achieved. After positioning, the second hydraulic cylinder 13 pushes the pressure block 11 to move down, and the pin is pressed against the support block 4 by the pressure block 11. At this time, the first motor 8 drives the grinding wheel 10 to rotate, and the grinding wheel 10 chamfers the end face of the pin through the conical groove. Through the feeding of the grinding wheel 10, chamfers of different sizes can be processed, and the two ends of the pin can be chamfered synchronously, which is highly efficient; the guide column 12 facilitates improving the stability of the movement of the pressure block 11; the waste chip recovery groove 15 can collect the chips after grinding; the arc-shaped card groove helps to better clamp the pin; the position of the mounting seat 6 can be adjusted by the first hydraulic cylinder 7, so that the two grinding wheels 10 can better clamp and position the pin synchronously, thereby facilitating chamfering.

[0030] The operating principle of the translation mechanism 2 is: the second motor 21 drives the screw rod 23 to rotate, the screw rod 23 drives the slider 22 to move toward or away from each other through the threads with opposite rotation directions, and the slider 22 drives the moving seat 9 to move synchronously.

[0031] 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. A pin chamfering device, comprising a base (1), characterized in that: A mounting seat (6) is slidably mounted on the base (1); two movable seats (9) are mounted on the mounting seat (6) via a translation mechanism (2); the translation mechanism (2) is used to drive the two movable seats (9) to move synchronously towards each other or synchronously away from each other; a first motor (8) is mounted on the movable seat (9); a grinding wheel (10) is fixed to the output shaft of the first motor (8); a conical groove is provided on the end surface of the grinding wheel (10); a support block (4) is fixed to the base (1) via a support column (3); a support seat (14) is fixed to the top of the base (1); a second hydraulic cylinder (13) is mounted on the support seat (14); a pressure block (11) is fixed to the piston rod of the second hydraulic cylinder (13).

2. A pin chamfering device according to claim 1, characterized in that: A first hydraulic cylinder (7) is installed on the side of the support seat (14); a piston rod of the first hydraulic cylinder (7) is fixed on the mounting seat (6); and the first hydraulic cylinder (7) is used to push the mounting seat (6) to translate.

3. A pin chamfering device according to claim 1, characterized in that: A slide rail (5) is fixed to the bottom of the mounting seat (6), a slide groove is provided on the base (1), and the slide rail (5) is slidably mounted in the slide groove of the base (1).

4. A pin chamfering device according to claim 1, characterized in that: The translation mechanism (2) comprises a second motor (21), a slider (22), and a screw (23); the second motor (21) is mounted on a mounting seat (6); an output shaft of the second motor (21) is connected to the screw (23); two sliders (22) are sleeved on the screw (23) via threads with opposite rotation directions; the two sliders (22) are respectively fixed on two moving seats (9).

5. A pin chamfering device according to claim 1, characterized in that: A guide column (12) is slidably sleeved on the support seat (14), and the guide column (12) is fixed on the pressing block (11).

6. A pin chamfering device according to claim 1, characterized in that: A waste chip recovery groove (15) is fixed on the side of the movable seat (9).

7. A pin chamfering device according to claim 1, characterized in that: The pressing block (11) and the supporting block (4) are both provided with arc-shaped slots.

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