CN204640115U - Insert-pull pin shaft device - Google Patents

Abstract

The utility model provides a pin shaft device for plugging and unplugging, which comprises: a driving device; a gear, the driving device drives the gear to rotate; a rack, the rack is engaged with the gear, and the rack is connected with the pin shaft to be The axis performs plugging and unplugging motion. The plugging and unplugging pin shaft device in the utility model includes a driving device, a gear and a rack, the driving device drives the gear to rotate, and the gear and the rack are connected in transmission. Inserting and pulling action, and then just can replace the hammer head on the pin shaft. The plugging and unplugging pin shaft device in the utility model has a simple structure and is easy to operate. The problem that the efficiency of the device for plugging and unplugging the pin shaft is low.

Description

Plug-in pin device

technical field

The utility model relates to the field of replacement of mechanical parts, in particular to a plug-in and pull-out pin device.

Background technique

At the current stage, scrap steel crushing production line, as an important means of recycling scrap steel, has been more and more recognized by people. During the use of the rotor, the core component of the scrap steel crushing production line, how to replace the hammer head of the vulnerable part reasonably, efficiently and stably is a problem that those skilled in the art have always focused on solving.

At present, a hydraulic cylinder is generally used to insert or pull out the pin shaft of the scrap steel crushing production line to replace the hammer head of the wearing part.

However, there are following disadvantages in the plug pin device in the prior art:

(1) The stroke of the hydraulic cylinder is large when it is pulled out, and the piston rod is slender and deflected, which will damage the hydraulic cylinder;

(2) A pin pulling head needs to be installed on the fixing seat, which increases the length of the guide rail and occupies a large area. The sliding friction between the pin pulling head and the fixing seat is relatively large, and jamming occurs;

(3) The positioning of the hydraulic cylinder adopts a proximity switch, and the positioning is not accurate;

(4) The speed of the hydraulic cylinder is slow, taking up more auxiliary time and low productivity.

Utility model content

The main purpose of the utility model is to provide a device for plugging and unplugging pin shafts, so as to solve the problem of low efficiency of devices for plugging and pulling out pin shafts in the prior art.

In order to achieve the above object, the utility model provides a plugging and unplugging pin shaft device, including: a driving device; a gear, the driving device drives the gear to rotate; The shaft is connected to drive the pin shaft for plugging and unplugging movement.

Further, a pin hook is installed on the rack, and the rack is connected to the pin through the pin hook.

Further, an insertion slot is provided on the hook head of the pin shaft, and the insertion-extraction protrusion on the pin shaft is inserted into the insertion slot.

Further, the device for inserting and pulling out the pin shaft also includes: a fixing device, which is arranged opposite to one end of the rack, and is used for fixing the rotor turntable with the pin shaft.

Further, the fixing device includes a fixing base and a piston cylinder installed on the fixing base, and the piston rod of the piston cylinder is pressed on the rotor turntable.

Further, multiple piston cylinders are installed on the fixed seat, and the multiple piston cylinders are arranged in parallel.

Further, a pressure head is installed at the end of the piston rod of the piston cylinder, and the piston cylinder presses the rotor disc through the pressure head.

Further, the plug-in pin device also includes a support frame, and the rack is mounted on the support frame.

Further, the rack is provided with a support slide rail, the support frame is installed with a support wheel, and the support slide rail is supported on the support wheel.

Further, the plug pin device further includes a shield, the shield cover is arranged on the support frame, and the rack is located in the shield.

The pin shaft device for plugging and unplugging in the utility model includes a driving device, a gear and a rack. The driving device drives the gear to rotate, and the gear and the rack are connected in transmission. Inserting and pulling action, and then just can replace the tup on pin shaft.

The plugging pin device in the utility model is simple in structure and easy to operate, and can easily realize the plugging and pulling action of the pin shaft, and then realize the replacement of the hammer head on the pin shaft, effectively solving the problem of the prior art. The problem that the efficiency of the device for plugging and unplugging the pin shaft is low.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 shows the front view of the plug pin device of the present utility model; and

Fig. 2 shows a top view of the plug-in pin device of the present invention.

Wherein, the above-mentioned accompanying drawings include the following reference signs:

10. Driving device; 11. Motor; 12. Reducer; 20. Gear; 30. Rack; 40. Pin shaft hook; 50. Fixing device; 51. Fixing seat; 52. Piston cylinder; 53. Pressure head; 60, support frame; 70, support wheel; 80, shield.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

The utility model provides a plugging pin device, please refer to Fig. 1 and Fig. 2, the plugging pin device includes: a driving device 10; a gear 20, the driving device 10 drives the gear 20 to rotate; a rack 30, a rack 30 meshes with the gear 20, and the rack 30 is connected with the pin shaft to be plugged to drive the pin shaft to perform the plugging motion.

The plug pin device in the utility model comprises a driving device 10, a gear 20 and a rack 30. The driving device 10 drives the gear 20 to rotate, and the gear 20 is connected to the rack 30 in transmission. In this way, after the rack 30 is connected to the pin , just can realize the plugging-out action to the pin shaft, and then just can replace the hammer head on the pin shaft.

The plugging pin device in the utility model is simple in structure and easy to operate, and can easily realize the plugging and pulling action of the pin shaft, and then realize the replacement of the hammer head on the pin shaft, effectively solving the problem of the prior art. The problem that the efficiency of the device for plugging and unplugging the pin shaft is low.

In the present application, the drive device 10 includes a motor 11 and a reducer 12 , and the drive motor 11 is connected to a gear 20 through the reducer 12 .

Preferably, a pin hook 40 is installed on the rack 30 , and the rack 30 is connected to the pin through the pin hook 40 . In the present application, the connection between the rack 30 and the pin can be realized more conveniently by setting the hook head 40 of the pin.

Preferably, an insertion slot is provided on the hook head 40 of the pin shaft, and the insertion-extraction protrusion on the pin shaft is inserted into the insertion slot. By arranging the insertion slot, the hooking of the pin shaft hook head 40 to the pin shaft can be realized more conveniently.

Preferably, the device for inserting and pulling out the pin shaft further includes: a fixing device 50, which is arranged opposite to one end of the rack 30, and is used for fixing the rotor disc with the pin shaft. Since the rotor turntable needs to be fixed when the pin shaft is inserted and pulled out, the fixing device 50 can be used to fix the rotor disc more conveniently.

Preferably, the fixing device 50 includes a fixing base 51 and a piston cylinder 52 mounted on the fixing base 51 , and the piston rod of the piston cylinder 52 is pressed on the rotor turntable. By arranging the fixing seat 51 and the piston cylinder 52, the piston rod can be used to compress the rotor turntable more conveniently, thereby realizing the positioning of the rotor turntable.

Preferably, multiple piston cylinders 52 are installed on the fixed seat 51, and the multiple piston cylinders 52 are arranged in parallel. In the present application, there are two piston cylinders 52 , and the two piston cylinders 52 are respectively arranged on two sides of the fixing seat 51 . In the present application, by arranging a plurality of piston cylinders 52, the force exerted on the rotor turntable can be distributed more evenly on the rotor turntable, preventing the rotor turntable from being crushed.

Preferably, a pressure head 53 is installed at the end of the piston rod of the piston cylinder 52 , and the piston cylinder 52 presses the rotor disc through the pressure head 53 . In this application, a limit slot is provided on the rotor turntable, and a part of the pressure head 53 is inserted into the limit slot, and the pressure head 53 is turned to make this part of the pressure head 53 be stuck in the limit slot.

Preferably, the plug pin device further includes a support frame 60 on which the rack 30 is installed. By setting the support frame 60, the support for the rack 30 can be achieved relatively conveniently.

Preferably, the rack 30 is provided with a support slide rail, the support frame 60 is provided with a support wheel 70 , and the support slide rail is supported on the support wheel 70 . By arranging the supporting slide rail and the supporting wheel 70, the support to the rack 30 can be realized more conveniently, and the friction to the rack can also be reduced, which is beneficial to the movement of the rack.

Preferably, the plugging pin device further includes a shield 80 , the shield 80 is covered on the support frame 60 , and the rack 30 is located in the shield 80 . By setting the shield 80 so that the shield 80 covers the rack 30, the rack can be protected.

The purpose of the utility model is to overcome the shortcomings of the prior art, provide a plug-in pin device for scrap steel crushing production line, and solve the technical problems of inaccurate positioning and low production efficiency of the existing plug-in pin device.

The utility model is achieved through the following technical solutions:

As shown in Fig. 1 and Fig. 2, a plug-in pin shaft device of a scrap steel crushing production line is composed of a fixing device, a fixing seat, a hook head, a rack driving device, a rack, a support frame, a support wheel and a shield. The fixing device is composed of two sets of hydraulic cylinders and pressure heads. The base of the hydraulic cylinders is connected to both sides of the fixing base for telescopic movement. The hydraulic cylinder drives the pressure heads to press on the surface of the rotor turntable to realize the pressing function.

The hook head is connected to the rack through threads, and the rack driving device drives the rack and the hook head to reciprocate to realize the insertion and extraction of the pin shaft; the support wheel is installed on the support frame for Supporting and guiding the rack, the guard is installed on the support frame for the protection of the rack.

Two pairs of pressure wheels are installed in the rack driving device, which press on the left and right sides of the rack to guide the rack.

The rack driving device is driven by a motor and has an encoder for positioning.

The utility model is used for the insertion and extraction of the pin shaft in the rotor device of the scrap steel crushing production line, and has the advantages of accurate positioning, stable insertion and extraction action, short time for replacing the hammer head, and high production efficiency.

Unplugging process of the utility model:

The piston rod of the piston cylinder 52 in the fixing device 50 stretches forward, and after pressing on the rotor turntable, the driving device 10 starts up quickly, and sends the pin shaft hook 40 and the rack 30 to the designated position, and the pin shaft hook head 40 hooks into the pin The small hole of the pin shaft or the plug-in protrusion on the pin shaft is inserted into the groove of the pin shaft, and the pin shaft is pulled out for a specified distance. Go out the hammerhead of neutral gear, repeat above-mentioned movement, until taking out last hammerhead, rack 30 drives bearing pin to fall back to the rear position rapidly, and bearing pin is placed in the fixed seat 51. During this process, the support frame 60 , the support wheel 70 and the shield 80 support and protect the rack 30 all the time, and the above operations are repeated when the turntable rotates to the next station.

The bolt process of the present utility model:

The piston rod of the piston cylinder 52 stretches forward, and presses against the rotor turntable with the tension surface, and the pin shaft hook head 40 snaps into the small hole of the pin shaft placed on the fixed seat 51 or makes the plug-in protrusion on the pin shaft Insert it into the groove of the hook head 40 of the pin shaft, send the pin shaft forward, send it into the specified distance, place the hammer head, continue to feed the specified distance, and then place the hammer head until all the installation is completed, open the card slot, and quickly insert the rack 30 And pin shaft hook head 40 returns to the rear position, and the fixing device 50 retreats to the rear position, and the above operation is performed after the turntable is rotated to the next station.

From the above description, it can be seen that the above-mentioned embodiments of the utility model have achieved the following technical effects:

Compared with the prior art, the utility model is because the fixing device is fixed on both sides of the fixing seat through two groups of hydraulic cylinder bases, and the hydraulic cylinder can be stretched so as to position the fixing device; the hook head is connected with the rack through threads, and the rack driving device drives The rack and hook head reciprocate to realize the insertion or extraction of the pin shaft.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. an insert-pull pin shaft device, is characterized in that, comprising:

Drive unit (10);

Gear (20), described drive unit (10) drives described gear (20) to rotate;

Tooth bar (30), described tooth bar (30) is meshed with described gear (20), and described tooth bar (30) and pinned connection to be plugged carry out plug campaign to drive described bearing pin.

2. insert-pull pin shaft device according to claim 1, it is characterized in that, described tooth bar (30) is provided with bearing pin gib head (40), described tooth bar (30) is by described bearing pin gib head (40) and described pinned connection.

3. insert-pull pin shaft device according to claim 2, is characterized in that, described bearing pin gib head (40) is provided with inserting groove, and the plug projection on described bearing pin is plugged in described inserting groove.

4. insert-pull pin shaft device according to claim 1, is characterized in that, described insert-pull pin shaft device also comprises:

Fixture (50), described fixture (50) is oppositely arranged, for fixedly having the rotor rotating disk of described bearing pin with one end of described tooth bar (30).

5. insert-pull pin shaft device according to claim 4, it is characterized in that, described fixture (50) comprises holder (51) and is arranged on the piston cylinder (52) on described holder (51), and the piston rod of described piston cylinder (52) is pressed on described rotor rotating disk.

6. insert-pull pin shaft device according to claim 5, is characterized in that, described holder (51) is provided with multiple described piston cylinder (52), and described multiple piston cylinder (52) is arranged abreast.

7. insert-pull pin shaft device according to claim 5, it is characterized in that, the end of the piston rod of described piston cylinder (52) is provided with pressure head (53), and described piston cylinder (52) compresses described rotor rotating disk by described pressure head (53).

8. insert-pull pin shaft device according to claim 1, is characterized in that, described insert-pull pin shaft device also comprises bracing frame (60), and described tooth bar (30) is arranged on support frame as described above (60).

9. insert-pull pin shaft device according to claim 8, it is characterized in that, (30) are provided with support slide rail to described tooth bar, support frame as described above (60) is provided with support wheel (70), and described support slide rail is supported on described support wheel (70).

10. insert-pull pin shaft device according to claim 8, it is characterized in that, described insert-pull pin shaft device also comprises guard shield (80), described guard shield (80) lid is located on support frame as described above (60), and described tooth bar (30) is positioned at described guard shield (80).