CN219444308U - Cutting device for production pin shaft - Google Patents

Abstract

The utility model discloses a cutting device for producing pin shafts, which relates to the related technical field of pin shaft production and processing equipment, and comprises a base, a first pin shaft fixing assembly, a second pin shaft fixing assembly and a driving mechanism. The first pin shaft Both the fixing assembly and the second pin fixing assembly are arranged above the base, the first pin fixing assembly is located on one side of the second pin fixing assembly, the driving mechanism is located at the rear end of the first pin fixing assembly, The first pin fixing assembly includes a rotating disk, a two-way screw, an upper clamp, a lower clamp and a guide rod. The first pin fixing component and the second pin fixing component have the same structure, and the second pin fixing component is the most The power source is connected with the external motor, and the other end of the pin shaft is fixed through the cooperation between the upper and lower clamps set in the first pin shaft fixing component during cutting, that is, the pin shaft will not fall due to cutting during cutting Collision phenomenon, and increased processing efficiency.

Description

A cutting device for producing pin shafts

technical field

The utility model relates to the related technical field of production and processing equipment for pin shafts, in particular to a cutting device for producing pin shafts.

Background technique

The pin shaft is a kind of standardized fastener, which can be statically fixed and connected, and can also move relative to the connected parts. It is mainly used at the hinge of two parts to form a hinge connection. The pin shaft is usually locked with a cotter pin, which is reliable in operation and easy to disassemble.

The existing technology has the following problems: the existing pin shaft processing is generally made of material selection, forging, rough and fine machining, and cutting. During the pin shaft finishing process, the processed pin shaft will be cut. In order to obtain a completed pin shaft, the cutting process is generally to cut off directly, and the pin shaft will fall directly after cutting, which will easily cause bumps on the surface of the pin shaft, thereby reducing the processing effect, and some cutting processes will occur quickly. When cutting off, stop the work of the cutting knife, and then manually break it off, which also needs to grind the breaking point, thereby reducing the efficiency and cannot meet the existing use requirements.

Utility model content

In order to solve the above technical problems, a cutting device for producing pin shafts is provided. This technical solution solves the problem that the existing cutting process proposed in the above background technology is usually to cut directly, and the pin shafts fall directly after cutting, which is easy to cause the pin shafts to Bumping occurs on the surface, which reduces the processing effect. In some cutting processes, the cutting knife will stop working when it is about to cut off, and then it will be broken manually. In this way, the breaking point needs to be polished, which reduces the efficiency It cannot meet the existing use requirements and is not conducive to the use of problems.

In order to achieve the above object, the technical solution adopted by the utility model is:

A cutting device for producing pin shafts, comprising a base, a first pin shaft fixing assembly, a second pin shaft fixing assembly and a driving mechanism, the first pin shaft fixing assembly and the second pin shaft fixing assembly are both arranged above the base , the first pin fixing assembly is located on one side of the second pin fixing assembly, the drive mechanism is located at the rear end of the first pin fixing assembly, the first pin fixing assembly includes a rotating disk, a two-way screw, an upper Clamps, lower clamps and guide rods, the two-way screw rod and guide rods are all arranged inside the rotating disk, the upper and lower clamps are all arranged outside the rotating disk, and the upper clamp is located above the lower clamp, the base One side of the base is rotatably connected with the second pin shaft fixing assembly, the upper surface of the base is fixedly connected with a sliding seat, the surface of the sliding seat is slidably connected with a support frame, and the inside of the support frame is rotatably connected with a rotating disk, so The drive mechanism includes a screw, a slide rod, a moving bracket and a fixed bracket, the rear end of the base is fixedly installed with a fixed bracket, one side of the fixed bracket is fixedly connected with a servo motor, and the output end of the servo motor runs through the fixed bracket. side of the stand.

Preferably, the inner bottom of the rotating disk is rotatably connected with a two-way screw, the top of the two-way screw runs through the inner top of the rotating disk, and the surface of the two-way screw is screwed with an upper bracket and a lower bracket, And the upper bracket and the lower bracket are arranged symmetrically with respect to the two-way screw rod.

Preferably, the inner bottom end of the rotating disk is fixedly connected with a guide rod, the top end of the guiding rod penetrates through the lower surface of the upper bracket of the lower bracket and is fixedly connected with the inner top end of the rotating disk, and the surface of the guiding rod is connected with the lower bracket of the lower bracket. The upper bracket is slidably connected, and the top end of the two-way screw rod is provided with a groove.

Preferably, one side of the upper bracket is fixedly connected with an upper clamp, one side of the lower bracket is fixedly connected with a lower clamp, and the lower clamp is slidingly connected with the guide rod through the lower bracket, and the upper clamp is connected with the guide rod through the upper bracket. Guide rod sliding connection.

Preferably, the front end of the support frame is fixedly connected with a fixed seat, the upper surface of the fixed seat is fixedly equipped with a telescopic cylinder, the output end of the telescopic cylinder is fixedly installed with a cutting knife, and the output end of the servo motor is fixedly installed There are screws.

Preferably, the surface of the screw rod is threadedly connected with a mobile bracket, the end surface of the mobile bracket is fixedly connected with the rear end of the support frame, the other side of the fixed bracket is fixedly connected with a slide bar, and one end of the slide bar runs through on one side of the mobile bracket, and the surface of the slide bar is slidably connected with the mobile bracket.

Compared with the prior art, the utility model provides a cutting device for producing pin shafts, which has the following beneficial effects:

The utility model is provided with a first pin fixing assembly, a second pin fixing assembly and a driving mechanism, wherein the first pin fixing assembly and the second pin fixing assembly are of the same structure, and the second pin fixing assembly is the most dynamic The source is connected with the external motor, and the other end of the pin shaft is fixed through the cooperation between the upper and lower clamps set in the first pin shaft fixing component during cutting, that is, the pin shaft will not fall and bump due to cutting during cutting Phenomenon, and increased processing efficiency, increased processing effect, to meet the existing needs of use, and the utility model is simple in structure, easy to use.

Description of drawings

Fig. 1 is a kind of three-dimensional structure schematic diagram of the cutting device that produces bearing pin that the utility model proposes;

Fig. 2 is the internal structure diagram of the first pin fixing assembly proposed by the utility model;

Fig. 3 is a three-dimensional structural schematic diagram of a cutting device for producing pin shafts proposed by the utility model under another viewing angle;

The labels in the figure are:

1. Base; 2. Second pin fixing component; 3. First pin fixing component; 4. Driving mechanism; 5. Support frame; 6. Cutting knife; 7. Telescopic cylinder; 8. Fixing seat; Seat; 10, rotating disc; 11, two-way screw rod; 12, guide rod; 13, groove; 14, upper bracket; 15, upper clamp; 16, lower clamp; 17, lower bracket; 18, servo motor; 19, Fixed support; 20, slide bar; 21, screw rod; 22, mobile support.

Detailed ways

The following description is used to disclose the utility model so that those skilled in the art can realize the utility model. The preferred embodiments described below are only examples, and those skilled in the art can devise other obvious variations.

Referring to Figures 1-3, a cutting device for producing pin shafts includes a base 1, a first pin shaft fixing assembly 3, a second pin shaft fixing assembly 2 and a drive mechanism 4, the first pin shaft fixing assembly 3 and the second pin shaft fixing assembly The two pin fixing assemblies 2 are all arranged above the base 1, the first pin fixing assembly 3 is located on one side of the second pin fixing assembly 2, the driving mechanism 4 is located at the rear end of the first pin fixing assembly 3, and the first Pin shaft fixing assembly 3 comprises rotating disc 10, two-way screw mandrel 11, upper clamp 15, lower clamp 16 and guide rod 12, and two-way screw mandrel 11 and guide rod 12 are all arranged on the inside of rotating disc 10, upper clamp 15 and lower clamp 16 are all arranged on the outside of the rotating disk 10, and the upper clamp 15 is located above the lower clamp 16, one side of the base 1 is rotationally connected with the second pin fixing assembly 2, and the other side of the second pin fixing assembly 2 is in the middle The output end of the external drive motor (not shown) is fixedly connected at the place, the upper surface of the base 1 is fixedly connected with a sliding seat 9, the surface of the sliding seat 9 is slidably connected with a support frame 5, and the internal rotation of the support frame 5 is connected with a The rotating disk 10, the drive mechanism 4 includes a screw rod 21, a slide bar 20, a moving bracket 22 and a fixed bracket 19, the rear end of the base 1 is fixedly installed with a fixed bracket 19, and one side of the fixed bracket 19 is fixedly connected with a servo motor 18, and the servo motor The output end of 18 runs through one side of the fixed bracket 19 .

The inner bottom of the rotating disc 10 is rotatably connected with a two-way screw rod 11, and the top of the two-way screw rod 11 runs through the inner top of the rotating disc 10, and the upper bracket 14 and the lower bracket 17 are threaded on the surface of the two-way screw rod 11, and the upper The support 14 and the lower support 17 are arranged symmetrically about the two-way screw rod 11. The inner bottom of the rotating disk 10 is fixedly connected with a guide rod 12. The top is fixedly connected, and the surface of the guide rod 12 is slidably connected with the upper bracket 14 of the lower bracket 17. The top of the two-way screw rod 11 is provided with a groove 13, and the groove 13 provided is hexagonal, which is convenient for subsequent use of auxiliary tools (hex wrench ) to match.

One side of the upper bracket 14 is fixedly connected with an upper clamp 15, one side of the lower bracket 17 is fixedly connected with a lower clamp 16, the lower clamp 16 is slidably connected with the guide rod 12 by the lower bracket 17, and the upper clamp 15 is connected with the guide rod by the upper bracket 14. 12 sliding connection, the front end of the support frame 5 is fixedly connected with a fixed seat 8, the upper surface of the fixed seat 8 is fixedly installed with a telescopic cylinder 7, the output end of the telescopic cylinder 7 is fixedly installed with a cutting knife 6, and the output end of the servo motor 18 is fixedly installed There is a screw rod 21, the surface of the screw rod 21 is threadedly connected with a mobile bracket 22, the end face of the mobile bracket 22 is fixedly connected with the rear end of the support frame 5, the other side of the fixed bracket 19 is fixedly connected with a slide bar 20, and one end of the slide bar 20 runs through On one side of the mobile bracket 22, and the surface of the slide bar 20 is slidingly connected with the mobile bracket 22. The servo motor 18 and the telescopic cylinder 7 set in the utility model are connected through an external power supply and a switch, which ensures the power supply of the device during work. demand.

When the utility model is in use, one end of the pin shaft to be processed is fixed in the second pin shaft fixing assembly 2, and then the drive mechanism 4 is started to work, wherein the output end of the servo motor 18 drives the screw rod 21 to rotate, and the mobile bracket 22 is slidably connected to the On the slide bar 20, it acts as a limiter, so during the rotation of the screw rod 21, the moving bracket 22 will not follow the rotation, and finally will move along the surface of the slide bar 20, while the moving bracket 21 will drive the support frame 5 along the sliding seat. The surface of 9 moves, and finally drives the first pin fixing assembly 3 to gradually approach the other end of the pin (the upper and lower clamps on the first pin fixing assembly 3 are in an open state), and when the cutting knife 6 moves to the corresponding cutting position, the driving mechanism 4, then stop working, and now the other end of the bearing pin is positioned between the upper and lower clamps on the first bearing fixing assembly 3, at this moment, the other end of the bearing bearing is fixed, so as to facilitate the subsequent cutting process.

When fixing, the operator inserts the auxiliary tool (hexagonal wrench) into the groove 13 provided on the top of the two-way screw rod 11, and then twists the hexagonal wrench to drive the two-way screw rod 11 to rotate in the rotating disk 10. The screw mandrel 11 is a left-handed screw mandrel, and the upper support 14 is located at the right-handed part of the two-way screw mandrel 11, and the lower support 17 is located at the left-handed part of the two-way screw mandrel 11, while the upper support 14 and the lower support 17 are all slidably connected to the guide rod 12 Therefore, during the rotation process of the two-way screw rod 11, the upper bracket 14 and the lower bracket 17 will not follow the rotation, and finally they will move towards each other along the surface of the guide rod 12, and at the same time drive the upper clamp 15 and the lower clamp 16 to move towards each other, making it Gradually approach the surface of the pin shaft, and finally the upper clamp 15 and the lower clamp 16 will be firmly attached to the surface of the pin shaft, thereby completing the fixing of the other end of the pin shaft (it should be noted here that the first pin shaft fixing assembly 3 and the second pin shaft fixing assembly 3 Pin shaft fixing assembly 2 is a structure).

Finally, by starting the external drive motor, the second pin shaft fixing assembly 2 is driven to rotate on the base 1, thereby driving the pin shaft to rotate correspondingly, and starting the telescopic cylinder 7 to work, so that the output end drives the cutting knife 6 to gradually approach the surface of the pin shaft, and Cut it.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions describe only the principle of the utility model. There will be various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope required by the utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A cutting device for producing pin shafts is characterized in that it comprises a base (1), a first pin shaft fixing assembly (3), a second pin shaft fixing assembly (2) and a drive mechanism (4), and the first pin shaft fixing assembly (4) A pin fixing assembly (3) and a second pin fixing assembly (2) are both arranged above the base (1), and the first pin fixing assembly (3) is located on the second pin fixing assembly (2) On one side, the drive mechanism (4) is located at the rear end of the first pin fixing assembly (3); The first pin fixing assembly (3) comprises a rotating disk (10), a two-way screw mandrel (11), an upper clamp (15), a lower clamp (16) and a guide rod (12), and the two-way screw mandrel (11) and Guide bar (12) is all arranged on the inside of rotating disc (10), and described upper clamp (15) and lower clamp (16) are all arranged on the outside of rotating disc (10), and upper clamp (15) is positioned at lower clamp ( 16) above, one side of the base (1) is rotationally connected with the second pin shaft fixing assembly (2), and the upper surface of the base (1) is fixedly connected with a sliding seat (9), and the sliding seat (9 ) is slidingly connected to a support frame (5), and the inner rotation of the support frame (5) is connected to a rotating disk (10); The drive mechanism (4) comprises a screw rod (21), a slide bar (20), a moving bracket (22) and a fixed bracket (19), and the rear end of the base (1) is fixedly equipped with a fixed bracket (19), so One side of the fixed bracket (19) is fixedly connected with a servo motor (18), and the output end of the servo motor (18) penetrates one side of the fixed bracket (19). 2. A kind of cutting device for producing pin shafts according to claim 1, characterized in that: the inner bottom end of the rotating disk (10) is rotatably connected with a two-way screw mandrel (11), and the two-way screw mandrel (11) ) top runs through the inner top of the rotating disc (10), and the surface of the two-way screw mandrel (11) is threaded with an upper support (14) and a lower support (17), and the upper support (14) and the lower support ( 17) Set symmetrically about the two-way screw mandrel (11). 3. A kind of cutting device for producing pin shafts according to claim 2, characterized in that: the inner bottom end of the rotating disk (10) is fixedly connected with a guide rod (12), and the guide rod (12) The lower surface of the upper bracket (14) whose top end passes through the lower bracket (17) is fixedly connected with the inner top end of the rotating disk (10), and the surface of the guide rod (12) is slidingly connected with the upper bracket (14) of the lower bracket (17) , the top end of the two-way screw rod (11) is provided with a groove (13). 4. A cutting device for producing pin shafts according to claim 3, characterized in that: one side of the upper bracket (14) is fixedly connected with an upper clamp (15), and one side of the lower bracket (17) The side is fixedly connected with a lower clamp (16), the lower clamp (16) is slidingly connected with the guide rod (12) through the lower bracket (17), and the upper clamp (15) is connected with the guide rod (12) through the upper bracket (14). ) sliding connection. 5. A kind of cutting device for producing pin shafts according to claim 1, characterized in that: the front end of the support frame (5) is fixedly connected with a fixed seat (8), and the upper surface of the fixed seat (8) A telescopic cylinder (7) is fixedly installed, a cutting knife (6) is fixedly installed at the output end of the telescopic air cylinder (7), and a screw rod (21) is fixedly installed at the output end of the servo motor (18). 6. A kind of cutting device for producing pin shafts according to claim 5, characterized in that: the surface of the screw rod (21) is threadedly connected with a mobile bracket (22), and the end surface of the mobile bracket (22) is connected to the support The rear end of frame (5) is fixedly connected, and the other side of described fixed support (19) is fixedly connected with slide bar (20), and one end of described slide bar (20) runs through one side of mobile support (22), And the surface of the slide bar (20) is slidably connected with the mobile bracket (22).