CN216298493U

CN216298493U - Automatic binding equipment for piston stop pin

Info

Publication number: CN216298493U
Application number: CN202220529065.5U
Authority: CN
Inventors: 韩家学; 焦宝平; 韩静瑶; 何华伟
Original assignee: Xinxiang Monet Piston Co ltd
Current assignee: Xinxiang Monet Piston Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-04-15
Anticipated expiration: 2032-03-11

Abstract

The utility model discloses automatic nailing equipment for a piston stop pin, which comprises a top plate, wherein a disc is welded on the outer wall of the top plate, the outer wall of the top of the disc is movably connected with a turntable through a bearing, a stepping motor is installed at the axis of the outer wall of the bottom of the top plate through a bolt, the stepping motor is in transmission connection with the turntable, limit grooves which are distributed in an annular structure at equal intervals are formed in the outer wall of the top of the turntable, the limit grooves penetrate through the turntable, a supporting plate is welded at the top of the center of the outer wall of one side of the top plate, and a pneumatic nail gun is arranged at the top of the supporting plate. The stepping motor can drive the rotary table to be attached to the disc to rotate, the electric pushing cylinder pushes the clamping plate to clamp the piston, the stop pin binding is carried out when the piston rotates to the air nail gun, and when the rotary table drives the piston to move to the feed opening, the electric pushing cylinder resets to enable the bound piston to penetrate through the limiting groove and fall into the receiving hopper through the feed opening.

Description

Automatic binding equipment for piston stop pin

Technical Field

The utility model relates to the technical field of piston machining, in particular to automatic nailing equipment for a piston stop pin.

Background

The piston is a reciprocating element in the cylinder body of the automobile engine. The basic structure of the piston can be divided into a crown, a crown and a skirt. The piston crown is the main part that makes up the combustion chamber and its shape is related to the combustion chamber form chosen. The gasoline engine mostly adopts a flat-top piston, and has the advantage of small heat absorption area. The top of the piston of a diesel engine often has various pits, the specific shape, position and size of which must be adapted to the requirements of the mixture formation and combustion of the diesel engine. The annular groove is formed in the outer wall of the piston and used for installing the opening annular sealing ring to achieve sealing of the piston in the cylinder body in a vertical reciprocating motion mode, a radial rotation stopping pin installation hole is formed in the annular groove and used for installing a rotation stopping pin in the rotation stopping pin installation hole to prevent the opening annular sealing ring from rotating and shifting in the annular groove, and therefore the opening annular sealing ring is prevented from tilting in the position of a piston vent hole after shifting, and the phenomenon that the opening annular sealing ring is staggered or drops in the follow-up piston reciprocating motion is caused, and the piston is scrapped. In the prior art, conventional piston stop-rotation pin binding is completed by two processes, one process is firstly preassembled, namely a worker installs a piston on a fixture, the stop-rotation pin is clamped by the fixture and is preliminarily preassembled in a piston stop-rotation pin installation hole, the process needs to be completed by means of the fixture and the fixture, in order to save equipment cost and improve production efficiency, the process is only preassembled by one worker, the preassembled product is distributed to a plurality of workers in the next process to carry out hammer striking installation, the two processes are manually completed by striking the hammer, namely the stop-rotation pin is installed in the stop-rotation pin installation hole through the installation experience of the worker, the stop-rotation pin is required to be lower than the outer surface of an annular groove, the surface of the piston cannot be struck in the installation process of the stop-rotation pin, the smoothness of the surface of the piston is influenced, and the process experience of the worker has higher requirements. Therefore, the installation process of the existing stop pin is basically completed through two manual processes, the automation degree is relatively low, the production efficiency is low, the labor cost is high, a plurality of workers in the two processes are needed to complete the installation process, meanwhile, the consistency of installing the stop pin by knocking through a manual hammer is poor, the stop pin is not installed in place or is installed too low due to improper operation or insufficient experience, the yield of products can be influenced, and therefore, the automatic nailing device for the stop pin of the piston is necessary to be designed to effectively solve the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide automatic nailing equipment for piston stop pins, which aims to overcome the defects in the prior art.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides an automatic binding equipment of piston stalling round pin, includes the roof, the welding has the disc on the top outer wall of roof, and has the carousel through bearing swing joint on the top outer wall of disc, step motor is installed through the bolt in the axle center department of roof bottom outer wall, and is the transmission between step motor and the carousel and be connected, set up the spacing groove that the equidistance is the annular structure and distributes on the top outer wall of carousel, and the spacing groove runs through the carousel, the top welding of roof one side outer wall center department has the backup pad, and the top of backup pad is provided with air nail rifle, the mounting groove has all been seted up to the both sides that the carousel is close to the spacing groove, and the inside of mounting groove installs the electric propulsion cylinder through the bolt, the output welding of electric propulsion cylinder has the splint that are arc structure and distribute, and the splint keep away from to bond on the one side outer wall of electric propulsion cylinder has the rubber pad.

Preferably, a feed opening penetrating through the top plate is formed in one side of the outer wall of the top of the disc, and a receiving hopper is welded to the outer wall of the bottom of the top plate, close to the feed opening.

Preferably, the center of the outer wall of the top of the support plate is provided with a fit groove, the centers of the outer walls of the support plate close to the two sides of the fit groove are both in threaded connection with a screw rod, one end of the screw rod is welded with a rotating nut, and the outer side wall of the rotating nut is provided with anti-skidding stripes.

Preferably, one end of the screw rod, which is positioned in the fit groove, is movably connected with a chuck through a bearing, and the outer wall of the chuck, which is away from the other side of the screw rod, is bonded with a non-slip pad.

Preferably, the air nail gun is fitted in the fitting groove, and the air nail gun is fixed in the fitting groove by a chuck.

Preferably, the support columns are welded on the periphery of the outer wall of the bottom of the top plate, and the bottom plates are welded at the bottom ends of the support columns.

Preferably, the top outer wall of the disc is provided with a ring groove, the bottom outer wall of the rotary disc, which is close to the ring groove, is welded with a ring plate, the ring plate is connected inside the ring groove in a sliding manner, and the bottom outer wall of the ring plate is provided with balls which roll along the bottom inner wall of the ring groove.

In the technical scheme, the automatic nailing device for the piston stop pin provided by the utility model has the following beneficial effects: (1) through the arranged stepping motor, the stepping motor can drive the rotary table to be attached to the disc to rotate, the electric pushing cylinder pushes the clamping plate to clamp the piston, the stop pin binding is carried out when the piston rotates to the air nail gun, and when the rotary table drives the piston to move to the blanking port, the electric pushing cylinder resets to enable the bound piston to pass through the limiting groove and fall into the receiving hopper through the blanking port; (2) through the arranged ring plate, when the rotary table rotates under the action of the stepping motor, the ring plate slides along the ring groove, and the balls roll along the inner wall of the bottom of the ring groove under the action of the ring plate, so that the stability and smoothness of the rotary table during rotation are well improved, the structure is reasonable, the stability is high, and the rotary table is suitable for popularization; (3) through the backup pad that sets up, the runner drives the lead screw and rotates, and the lead screw promotes the (holding) chuck and carries out the centre gripping location to the air nailing gun for the air nailing gun is convenient for fix and dismantles more, simultaneously fine promotion air nailing gun's stability.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a schematic perspective view of an automatic piston rotation stop pin binding apparatus according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of a ring groove structure provided in an embodiment of the automatic piston stop pin binding apparatus of the present invention.

FIG. 3 is a schematic diagram of a support plate structure provided in an embodiment of an automatic piston stop pin binding apparatus according to the present invention.

FIG. 4 is a schematic view of a mounting groove structure provided in an embodiment of an automatic piston stop pin binding apparatus according to the present invention.

Description of reference numerals:

1. a base plate; 2. a support pillar; 3. a top plate; 4. a receiving hopper; 5. a feeding port; 6. a disc; 7. a support plate; 8. a pneumatic nail gun; 9. a turntable; 10. a limiting groove; 11. a ring groove; 12. a ring plate; 13. a ball bearing; 14. a stepping motor; 15. a fitting groove; 16. a lead screw; 17. turning a nut; 18. a chuck; 19. mounting grooves; 20. an electric pushing cylinder; 21. a splint; 22. and (7) a rubber pad.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1-4, an automatic piston rotation-stop pin binding apparatus provided by the embodiment of the present invention includes a top plate 3, a circular disc 6 welded on an outer wall of a top portion of the top plate 3, a rotary disc 9 movably connected on an outer wall of a top portion of the circular disc 6 through a bearing, a stepping motor 14 mounted on an axis of an outer wall of a bottom portion of the top plate 3 through a bolt, the stepping motor 14 and the rotary disc 9 being in transmission connection, a plurality of limit slots 10 distributed in an annular structure at equal intervals formed on an outer wall of a top portion of the rotary disc 9, the limit slots 10 penetrating through the rotary disc 9, a support plate 7 welded on a top portion of a center of an outer wall of one side of the top plate 3, a pneumatic nail gun 8 arranged on a top portion of the support plate 7, mounting slots 19 formed on two sides of the rotary disc 9 near the limit slots 10, an electric pushing cylinder 20 mounted inside the mounting slots 19 through bolts, clamp plates 21 distributed in an arc structure welded on an output end of the electric pushing cylinder 20, and the outer wall of one side of the clamping plate 21, which is far away from the electric pushing cylinder 20, is bonded with a rubber pad 22, the stepping motor 14 can drive the rotary plate 9 to be bonded with the disc 6 to rotate, the electric pushing cylinder 20 pushes the clamping plate 21 to clamp the piston, and the stop pin binding is carried out when the piston rotates to the air nail gun 8, so that the piston stop pin binding is more orderly, the automation degree is high, and the time and the labor are saved.

In another embodiment of the present invention, as shown in fig. 1, a discharging opening 5 penetrating through the top plate 3 is formed on one side of the outer wall of the top of the disc 6, a receiving hopper 4 is welded on the outer wall of the bottom of the top plate 3 close to the discharging opening 5, and when the rotating disc 9 drives the piston to move to the discharging opening 5, the electric pushing cylinder 20 is reset, so that the bound piston passes through the limiting groove 10 and falls into the receiving hopper 4 through the discharging opening 5.

In another embodiment of the present invention, as shown in fig. 1 and 3, a fitting groove 15 is formed at the center of the outer wall of the top of the supporting plate 7, and the centers of the supporting plate 7, which are close to the outer walls of the two sides of the conjunction groove 15, are both in threaded connection with a screw rod 16, one end of the screw rod 16 is welded with a rotating nut 17, the outer side wall of the rotor 17 is provided with anti-skid stripes, one end of the screw 16 positioned in the fitting groove 15 is movably connected with a chuck plate 18 through a bearing, and the outer wall of the other side of the chuck 18 far away from the screw 16 is adhered with a non-slip mat, the air nail gun 8 is matched with the inner part of the matching groove 15, the air nail gun 8 is fixed in the conjunction groove 15 under the action of the chuck plate 18, the screw 16 is driven by the rotating nut 17 to rotate, the screw 16 pushes the chuck plate 18 to clamp and position the air nail gun 8, the air nail gun 8 is convenient to fix and detach, and meanwhile, the stability of the air nail gun 8 is well improved.

In another embodiment of the present invention, as shown in fig. 1, the supporting columns 2 are welded around the outer wall of the bottom of the top plate 3, the bottom plate 1 is welded at the bottom ends of the supporting columns 2, and the bottom plate 1 and the supporting columns 2 are used in a matching manner, so that the top plate 3 can be more stable.

In still another embodiment of the present invention, as shown in fig. 1 and fig. 2, a ring groove 11 is formed on the top outer wall of the disc 6, a ring plate 12 is welded on the bottom outer wall of the rotary table 9 close to the ring groove 11, the ring plate 12 is slidably connected inside the ring groove 11, balls 13 rolling along the bottom inner wall of the ring groove 11 are arranged on the bottom outer wall of the ring plate 12, when the rotary table 9 rotates under the action of the stepping motor 14, the ring plate 12 slides along the ring groove 11, and the balls 13 roll along the bottom inner wall of the ring groove 11 under the action of the ring plate 12, so that the stability and smoothness of the rotary table 9 during rotation are well improved.

The working principle is as follows: an operator puts a piston needing to bind a rotation stopping pin into the limiting groove 10, the electric pushing cylinder 20 pushes the clamping plate 21 to clamp and position the piston in the limiting groove 10, the stepping motor 14 can drive the rotary table 9 to be attached to the disc 6 to rotate, the rotation stopping pin is bound when the piston rotates to the air nail gun 8, the rotary table 9 drives the piston to move to the feed opening 5, the electric pushing cylinder 20 resets to enable the bound piston to pass through the limiting groove 10 and fall into the receiving hopper 4 through the feed opening 5, when the rotary table 9 rotates under the action of the stepping motor 14, the annular plate 12 slides along the annular groove 11, the ball 13 rolls along the inner wall of the bottom of the annular groove 11 under the action of the annular plate 12, and the stability and the smoothness of the rotary table 9 during rotation are well improved.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. The automatic binding equipment for the piston stop pin comprises a top plate (3) and is characterized in that a disc (6) is welded on the outer wall of the top plate (3), a rotary plate (9) is movably connected on the outer wall of the top of the disc (6) through a bearing, a stepping motor (14) is installed at the axle center of the outer wall of the bottom of the top plate (3) through a bolt, the stepping motor (14) is in transmission connection with the rotary plate (9), limit grooves (10) distributed in an annular structure at equal intervals are formed in the outer wall of the top of the rotary plate (9), the limit grooves (10) penetrate through the rotary plate (9), a support plate (7) is welded at the top of the center of the outer wall of one side of the top plate (3), a pneumatic nail gun (8) is arranged at the top of the support plate (7), mounting grooves (19) are formed in two sides, close to the limit grooves (10), and an electric push cylinder (20) is installed inside the mounting grooves (19) through a bolt, the output welding of electric push cylinder (20) has splint (21) that are the distribution of arc structure, and splint (21) keep away from electric push cylinder (20) on the one side outer wall bonding have rubber pad (22).

2. The automatic piston stop pin binding equipment according to claim 1, wherein a feed opening (5) penetrating through the top plate (3) is formed in one side of the outer wall of the top of the disc (6), and a receiving hopper (4) is welded on the outer wall of the bottom of the top plate (3) close to the feed opening (5).

3. The automatic piston rotation stop pin binding equipment according to claim 2, wherein a fitting groove (15) is formed in the center of the outer wall of the top of the support plate (7), a lead screw (16) is in threaded connection with the center of the outer wall of the support plate (7) close to the two sides of the fitting groove (15), a rotating nut (17) is welded to one end of the lead screw (16), and anti-skid stripes are formed on the outer side wall of the rotating nut (17).

4. The automatic piston stop pin binding equipment according to claim 3, characterized in that one end of the screw (16) inside the fit groove (15) is movably connected with a chuck (18) through a bearing, and the outer wall of the other side of the chuck (18) far away from the screw (16) is adhered with a non-slip pad.

5. The automatic piston stop pin binding apparatus according to claim 4, wherein the air nail gun (8) is fitted inside the fitting groove (15), and the air nail gun (8) is fixed inside the fitting groove (15) by a chuck (18).

6. The automatic piston stop pin binding equipment according to claim 5, characterized in that the support columns (2) are welded on the periphery of the outer wall of the bottom of the top plate (3), and the bottom plates (1) are welded on the bottom ends of the support columns (2).

7. The automatic piston stop pin binding equipment according to claim 6, characterized in that the top outer wall of the disc (6) is provided with a ring groove (11), the bottom outer wall of the rotary disc (9) close to the ring groove (11) is welded with a ring plate (12), the ring plate (12) is connected inside the ring groove (11) in a sliding manner, and the bottom outer wall of the ring plate (12) is provided with balls (13) rolling along the bottom inner wall of the ring groove (11).