CN115258639A

CN115258639A - Conveying workbench for feeding and discharging of plunger core of fuel injection pump

Info

Publication number: CN115258639A
Application number: CN202211199840.6A
Authority: CN
Inventors: 吴志刚; 李建国
Original assignee: Nantong Tongli Oil Pump Co ltd
Current assignee: Nantong Tongli Oil Pump Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2022-11-01
Anticipated expiration: 2042-09-29
Also published as: CN115258639B

Abstract

The invention belongs to the field of mechanical automation, and particularly relates to a conveying workbench for feeding and discharging of a plunger core of an oil injection pump, which comprises a workbench, wherein a side plate is fixed on the workbench, a feeding plate is fixed on the side plate, a vibration feeding disc is arranged at the input end of the feeding plate, a conveying mechanism is arranged above the feeding plate, a recovery mechanism is arranged below the feeding plate, the feeding plate is divided into a front section plate and a rear section plate along the conveying direction of the feeding plate, and a discharging mechanism is arranged between the front section plate and the rear section plate; the discharging mechanism comprises a bearing plate arranged between a front section plate and a rear section plate, and a rotating shaft is fixed in the middle of the bearing plate. According to the plunger core sorting and removing device, plunger cores with wrong arrangement directions can be automatically screened and removed in the plunger core conveying process, compared with the prior art, an optical fiber sensor and a mechanical arm are not needed, the equipment cost is reduced, the removing efficiency of wrong plunger cores is effectively improved, and the continuity of feeding work is guaranteed.

Description

Conveying workbench for feeding and discharging of plunger core of injection pump

Technical Field

The invention belongs to the field of mechanical automation, and particularly relates to a conveying workbench for feeding and discharging of a plunger core of an oil injection pump.

Background

The oil injection pump comprises a plunger type oil injection pump, an oil injection pump-oil injector and a rotor distribution type oil injection pump, wherein the plunger type oil injection pump is most widely applied and has higher reliability, a plunger core is an essential accessory in the plunger type oil injection pump, and the plunger core is required to be directionally transmitted to a grinding machine for processing through a vibrating feeding disc in the production process of the oil injection pump.

Through retrieval, national patent publication No. CN104401689A discloses an automatic feeding device for a plunger core of an automobile fuel injection pump, which comprises a base, a disc type electromagnetic vibration hopper, a linear electromagnetic vibration hopper, a plunger core direction adjusting mechanical arm and a sensing detection device, wherein the disc type electromagnetic vibration hopper, the linear electromagnetic vibration hopper, the plunger core direction adjusting mechanical arm and the sensing detection device are arranged on the linear electromagnetic vibration hopper. The disc type electromagnetic vibration hopper comprises a circular electromagnetic vibration base and a spiral material disc connected with the vibration base, the linear electromagnetic vibration hopper comprises a linear vibration base, a linear material groove connected to the base and a workpiece moving pneumatic auxiliary device arranged on the material groove, and the outlet end of the spiral material disc is in butt joint with the inlet end of the linear material groove.

The above scheme has the following disadvantages: 1. according to the scheme, the linear vibration hopper and the pneumatic blowing device are used for assisting the plunger core to move, however, due to the fact that the shapes of two ends of the plunger part are different, when the plunger part rolls and moves forwards under the blowing of air flow, deviation is prone to occurring, the plunger cores are arranged unevenly, and subsequent grinding work is influenced; 2. this scheme detects the direction of plunger core through optical fiber sensor, picks up the plunger core through pneumatic manipulator and corrects the direction, and this kind of mode cost is higher, and to the detection of plunger core with correct the process comparatively loaded down with trivial details, is unfavorable for the improvement of material loading efficiency.

Disclosure of Invention

The invention aims to solve the problems that the plunger core is easy to deviate and the feeding efficiency is low in the background technology, and provides a conveying workbench for feeding and discharging of the plunger core of an oil injection pump.

In order to achieve the purpose, the invention adopts the following technical scheme: a conveying workbench for feeding and discharging of a plunger core of an oil injection pump comprises a workbench, wherein a side plate is fixed on the workbench, a feeding plate is fixed on the side plate, a vibration feeding disc is arranged at the input end of the feeding plate, a conveying mechanism is arranged above the feeding plate, a recovery mechanism is arranged below the feeding plate, the feeding plate is divided into a front section plate and a rear section plate along the conveying direction of the feeding plate, and a discharging mechanism is arranged between the front section plate and the rear section plate;

the discharging mechanism comprises a bearing plate arranged between a front section plate and a rear section plate, a rotating shaft is fixed in the middle of the bearing plate and is rotatably connected to a feeding plate, a pin shaft is fixed on the side wall of the bearing plate, which is far away from one end of a side plate, the bottom of the feeding plate is fixedly connected with an arc-shaped rail, the circle center of the arc-shaped rail falls on the axis of the rotating shaft, the pin shaft is slidably connected into the arc-shaped rail, a reset spring is arranged in the arc-shaped rail, the upper end of the reset spring is connected with the pin shaft, and when the gravity center of a material is located at one end, which is far away from the side plate, the bearing plate deflects around the rotating shaft, so that the material falls from the bearing plate;

the bottom that the loading board is close to curb plate one end is provided with the limiting plate, limiting plate fixed connection is on the delivery sheet, and when the focus of material was located the one end that is close to the curb plate, the loading board did not take place to deflect.

Further, conveying mechanism is including rotating two driving rollers of connecting on the curb plate, two the cover is equipped with the conveyer belt on the lateral wall of driving roller, it has a plurality of catch bars to arrange along its length direction equidistance on the lateral wall of conveyer belt, and the one end that the conveyer belt was kept away from to the catch bar extends to the upper surface of delivery sheet.

Furthermore, a mounting plate is fixed on the side plate, a motor is mounted on the mounting plate, and an output shaft of the motor is connected with one of the transmission rollers.

Furthermore, the front end and the rear end of the feeding plate are both fixed with a support frame, and the support frames are fixed on the workbench.

Further, retrieve the mechanism including setting up in the recovery board under the pay-off board, the output of retrieving the board is located the vibration and goes up charging tray input for with the material that drops on the loading board is carried to the vibration and is gone up in the charging tray.

Further, the output end of the recovery plate is rotatably connected to the support frame, the support frame is provided with a fixing plate, the fixing plate is provided with a vibration spring, and the upper end of the vibration spring is connected to the bottom of the recovery plate.

Furthermore, an electromagnet is installed on the fixing plate, a permanent magnet is fixed at the bottom of the feeding plate, and the electromagnet and the permanent magnet are opposite in heteropolarity.

Furthermore, a conducting strip is embedded on the inner side wall of the arc-shaped track and connected with an external power supply, an electric connector is fixed on the pin shaft and electrically connected with the electromagnet, and the electromagnet is powered on when the electric connector is in contact with the conducting strip.

The invention has the following advantages:

1. according to the invention, the conveying mechanism is arranged, the motor drives the conveying belt to rotate around the conveying roller, and the pushing rod can be used for pushing the materials to roll on the surface of the feeding plate, so that the materials are orderly arranged on the surface of the feeding plate, and the subsequent grinding treatment is facilitated.

2. According to the invention, by arranging the material discharging mechanism, when the plunger core rolls onto the bearing plate, if the big end of the plunger core is positioned at one side close to the side plate and the gravity center of the plunger core is positioned at one side close to the limiting plate, the bearing plate does not rotate, and if the big end of the plunger core is positioned at one side far away from the side plate and the position of the plunger core is wrong, the gravity center of the plunger core is positioned at one side close to the arc-shaped track, the reset spring is compressed and contracted, the bearing plate deflects and inclines, and the plunger core with the wrong position can automatically slide off the bearing plate.

3. According to the invention, through arranging the recovery plate, the electromagnet and the vibration spring, the recovery plate can receive and collect the plunger cores falling from the bearing plate, when the bearing plate is inclined, the recovery plate can be driven to shake up and down, so that the plunger cores on the surface of the recovery plate can be conveniently pushed back into the vibration feeding tray for re-transmission and orientation, and the plunger cores are prevented from being accumulated on the surface of the recovery plate.

4. According to the invention, the conducting strip and the electric connector are arranged for controlling the on-off of the electromagnet, so that the recovery plate can shake and feed only when the plunger cores with wrong arrangement are generated, an additional driving device is not required for driving the recovery plate to continuously shake and feed, the cost is favorably reduced, the plunger cores are synchronously screened and recovered, and the matching is tight.

Drawings

FIG. 1 is a schematic structural view of a conveying table for feeding and discharging a plunger core of an injection pump provided by the invention;

FIG. 2 is a schematic side view of a conveying table for loading and unloading a plunger core of an injection pump according to the present invention;

FIG. 3 is a schematic structural view of a conveying table for loading and unloading a plunger core of an injection pump, in which a bearing plate is not rotated;

fig. 4 is a schematic structural view of the rotation of the bearing plate in the conveying workbench for feeding and discharging the plunger core of the fuel injection pump provided by the invention.

Fig. 5 is a schematic structural diagram of a conveying mechanism in a conveying workbench for feeding and discharging of an injection pump plunger core provided by the invention.

In the figure, a workbench 1, a side plate 2, a feeding plate 3, a vibrating feeding plate 4, a bearing plate 5, a rotating shaft 6, a pin shaft 7, an arc-shaped track 8, a return spring 9, a limiting plate 10, a driving roller 11, a conveying belt 12, a pushing rod 13, a mounting plate 14, a motor 15, a supporting frame 16, a recovery plate 17, a fixing plate 18, a vibrating spring 19, an electromagnet 20, a permanent magnet 21, a conducting plate 22 and a power connection head 23 are connected.

Detailed Description

As shown in fig. 1-5, a conveying workbench for feeding and discharging of a plunger core of an injection pump comprises a workbench 1, a side plate 2 is fixed on the workbench 1, a feeding plate 3 is fixed on the side plate 2, a vibration feeding plate 4 is arranged at the input end of the feeding plate 3, the vibration feeding plate 4 is used for orienting and sequencing plunger parts, the sequenced plunger core is conveyed to the feeding plate 3, a conveying mechanism is arranged above the feeding plate 3, a recovery mechanism is arranged below the feeding plate 3, the feeding plate 3 is divided into a front section plate and a rear section plate along the conveying direction of the feeding plate, and a discharging mechanism is arranged between the front section plate and the rear section plate.

Discharge mechanism is including setting up loading board 5 between anterior segment board and back end board, the middle part of loading board 5 is fixed with pivot 6, pivot 6 rotates to be connected on delivery sheet 3, loading board 5 is kept away from and is fixed with round pin axle 7 on the lateral wall of 2 one ends of curb plate, the bottom fixedly connected with arc track 8 of delivery sheet 3, the centre of a circle of arc track 8 falls on the axis of

pivot

6, 7 sliding connection of round pin axle are in arc track 8, be provided with reset spring 9 in the arc track 8, reset spring 9's upper end is connected with round pin axle 7, when the focus of material is located the one end of keeping away from curb plate 2, loading board 5 revolutes axle 6 and deflects, make the material drop on by loading board 5.

The bottom that loading board 5 is close to 2 one end of curb plate is provided with limiting plate 10, and limiting plate 10 fixed connection is on delivery sheet 3, and when the focus of material was located the one end that is close to curb plate 2, loading board 5 did not take place to deflect.

When the plunger core rolls to bearing board 5, if its big end is located the one side that is close to curb plate 2, the focus of plunger core is located the one side that is close to limiting plate 10, then bearing board 5 does not take place to rotate, if the big end of plunger core is located the one side of keeping away from curb plate 2, the mistake appears in the position of this plunger core, then the focus of plunger core is located the one side that is close to arc track 8, then reset spring 9 pressurized shrink, bearing board 5 takes place the slope that deflects, the plunger core of position mistake can be automatic by landing on bearing board 5, compare in prior art, need not to set up optical fiber sensor and manipulator, equipment cost is reduced, and effectively improved the rejection efficiency of wrong plunger core, guarantee the continuity of material loading work.

Conveying mechanism is including rotating two driving roller 11 of connecting on curb plate 2, the cover is equipped with conveyer belt 12 on the lateral wall of two driving roller 11, it has a plurality of catch bars 13 to arrange along its length direction equidistance on the lateral wall of conveyer belt 12, and the one end that catch bar 13 kept away from conveyer belt 12 extends to the upper surface of delivery sheet 3, the direction that sets up of catch bar 13 is perpendicular with the pay-off direction of delivery sheet 3, be fixed with mounting panel 14 on the curb plate 2, install motor 15 on the mounting panel 14, the output shaft of motor 15 is connected with one of them driving roller 11, drive conveyer belt 12 through motor 15 and rotate around delivery roller 1, and then accessible catch bar 13 promotes the material and rolls on the surface of delivery sheet 3, make the material neat, the orderly arrangement in the delivery sheet surface, be convenient for subsequent abrasive treatment.

The front end and the rear end of the feeding plate 3 are both fixed with a support frame 16, and the support frame 16 is fixed on the workbench 1.

Retrieve the mechanism including setting up in the recovery board 17 under the feed plate 3, the output of retrieving the board 17 is located the vibration and goes up charging tray 4 input for carry the material that drops on the loading board 5 to the vibration and go up in the charging tray 4.

The output of retrieving board 17 rotates to be connected on support frame 16, and is concrete, rotates on the support frame 16 and is connected with the pivot, and the pivot runs through and retrieves board 17 setting for retrieve board 17 and can deflect on support frame 16, install fixed plate 18 on the support frame 16, be provided with vibrating spring 19 on the fixed plate 18, vibrating spring 19's upper end is connected in the bottom of retrieving board 17.

The fixed plate 18 is provided with an electromagnet 20, the bottom of the feeding plate 3 is fixed with a permanent magnet 21, the electromagnet 20 and the permanent magnet 21 are opposite in heteropolar, and when the electromagnet 1 is electrified, the electromagnet can generate a magnetic attraction effect on the permanent magnet.

It is equipped with conducting strip 22 to inlay on the inside wall of arc track 8, conducting strip 22 is connected with external power supply, be fixed with on the round pin axle 7 and connect electric head 23, connect

electric head

23 and 20 electric connection of electro-magnet, a break-make electricity for control electro-magnet 20, can make recovery board 17 only shake the pay-off when the plunger core of arranging the mistake appears, need not to set up extra drive arrangement drive and retrieve board 17 and last the shake pay-off, be favorable to reduce cost, and make the screening and the recovery to the plunger core go on in step, the cooperation is inseparable.

When the pin shaft 7 slides downwards along the arc-shaped track 8, so that the power connection head 23 is in contact with the conducting strip 22, the electromagnet 20 is powered on, a magnetic attraction effect is generated on the permanent magnet 21, the recovery plate 17 is further driven to deflect downwards, when the electromagnet 20 is powered off, the recovery plate 17 shakes under the effect of the vibration spring 19, the plunger cores on the surface of the recovery plate can be pushed back into the vibration feeding disc 4, retransmission orientation is carried out, the plunger cores are prevented from being accumulated on the surface of the recovery plate 17, it needs to be noted that the iron core of the electromagnet 20 is made of soft iron materials, the demagnetization speed after power failure is high, the magnetic force between the demagnetized plunger cores and the permanent magnet 21 is weak, and after the electromagnet 20 is powered off, the vibration spring 19 can shake continuously for a period.

The working principle of the invention is as follows:

the plunger core that will treat the material loading is placed in vibration charging tray 4, and vibration charging tray 4 work is directional and is sequenced the plunger part, then carries the plunger core that the sequencing is good on feed table 3, and starter motor 15, motor 15 drive conveyer belt 12 rotate around transfer roller 1, and then accessible catch bar 13 promote the material and roll on feed table 3 surface for the material is neat, orderly arrangement in feed table 3 surface, the subsequent abrasive machining of being convenient for.

When the plunger core rolls to loading board 5, if its big end is located the one side that is close to curb plate 2, the focus of plunger core is located the one side that is close to limiting plate 10, then loading board 5 does not take place to rotate, if the big end of plunger core is located the one side of keeping away from curb plate 2, the error appears in the position of this plunger core, then the focus of plunger core is located the one side that is close to arc track 8, then reset spring 9 pressurized shrink, loading board 5 takes place the slope of deflecting, the plunger core of position mistake can be automatic by landing on loading board 5, compare in prior art, need not to set up optical fiber sensor and manipulator, the equipment cost is reduced, and effectively improved the rejection efficiency of wrong plunger core, guarantee the continuity of material loading work.

After the plunger core is fallen on by the loading board 5 of slope, loading board 5 resets under reset spring 9's spring action, and the plunger core drops to recovery board 17 on, and recovery board 17 carries out retransmission orientation in returning its surperficial plunger core propelling movement vibration charging tray 4, avoids the plunger core to pile up on recovery board 17 surface.

Claims

1. A conveying workbench for feeding and discharging of a plunger core of an oil injection pump comprises a workbench (1) and is characterized in that a side plate (2) is fixed on the workbench (1), a feeding plate (3) is fixed on the side plate (2), a vibrating feeding disc (4) is arranged at the input end of the feeding plate (3), a conveying mechanism is arranged above the feeding plate (3), a recovery mechanism is arranged below the feeding plate (3), the feeding plate (3) is divided into a front section plate and a rear section plate along the conveying direction of the feeding plate, and a discharging mechanism is arranged between the front section plate and the rear section plate;

the discharging mechanism comprises a bearing plate (5) arranged between a front section plate and a rear section plate, a rotating shaft (6) is fixed in the middle of the bearing plate (5), the rotating shaft (6) is rotatably connected to a feeding plate (3), a pin shaft (7) is fixed on the side wall of one end, far away from a side plate (2), of the bearing plate (5), an arc-shaped track (8) is fixedly connected to the bottom of the feeding plate (3), the circle center of the arc-shaped track (8) falls on the axis of the rotating shaft (6), the pin shaft (7) is slidably connected into the arc-shaped track (8), a reset spring (9) is arranged in the arc-shaped track (8), the upper end of the reset spring (9) is connected with the pin shaft (7), and when the gravity center of a material is located at one end, far away from the side plate (2), the bearing plate (5) deflects around the shaft (6) to enable the material to fall off the bearing plate (5);

the bottom that loading board (5) is close to curb plate (2) one end is provided with limiting plate (10), limiting plate (10) fixed connection is on delivery sheet (3), and when the focus of material was located the one end that is close to curb plate (2), loading board (5) do not take place to deflect.

2. The conveying workbench for the feeding and discharging of the plunger cores of the oil injection pump according to claim 1, wherein the conveying mechanism comprises two driving rollers (11) rotatably connected to the side plate (2), the outer side walls of the two driving rollers (11) are sleeved with a conveying belt (12), a plurality of pushing rods (13) are arranged on the side wall of the conveying belt (12) at equal intervals along the length direction of the conveying belt, and one ends of the pushing rods (13) far away from the conveying belt (12) extend to the upper surface of the feeding plate (3).

3. The conveying workbench for feeding and discharging of the plunger cores of the injection pumps of claim 2, wherein a mounting plate (14) is fixed on the side plate (2), a motor (15) is mounted on the mounting plate (14), and an output shaft of the motor (15) is connected with one of the transmission rollers (11).

4. The conveying workbench for the feeding and discharging of the plunger cores of the oil injection pump according to claim 1, wherein the support frames (16) are fixed at the front end and the rear end of the feeding plate (3), and the support frames (16) are fixed on the workbench (1).

5. The conveying workbench for the feeding and discharging of the plunger cores of the injection pump according to claim 4, wherein the recycling mechanism comprises a recycling plate (17) disposed right below the feeding plate (3), and an output end of the recycling plate (17) is located at an input end of the vibrating feeding tray (4) and is used for conveying the materials dropped on the bearing plate (5) into the vibrating feeding tray (4).

6. The conveying workbench for the feeding and discharging of the plunger cores of the injection pump of claim 5, wherein the output end of the recovery plate (17) is rotatably connected to a support frame (16), a fixing plate (18) is mounted on the support frame (16), a vibration spring (19) is arranged on the fixing plate (18), and the upper end of the vibration spring (19) is connected to the bottom of the recovery plate (17).

7. The conveying workbench for feeding and discharging of plunger cores of oil injection pumps of claim 6, characterized in that an electromagnet (20) is installed on the fixing plate (18), a permanent magnet (21) is fixed at the bottom of the feeding plate (3), and the electromagnet (20) and the permanent magnet (21) are opposite in heteropolarity.

8. The conveying workbench for feeding and discharging of the plunger cores of the injection pumps of claim 7, wherein a conducting strip (22) is embedded on the inner side wall of the arc-shaped rail (8), the conducting strip (22) is connected with an external power supply, an electric connector (23) is fixed on the pin shaft (7), the electric connector (23) is electrically connected with the electromagnet (20), and when the electric connector (23) is in contact with the conducting strip (22), the electromagnet (20) is electrified.