CN219503541U - A punching device for engine piston cylinder - Google Patents

Abstract

The utility model discloses a punching device for an engine piston cylinder, which comprises a punching platform, a cylinder feeding mechanism and a punching mechanism, wherein the cylinder feeding mechanism comprises a feeding belt, a discharging belt and a cylinder moving mechanism, the cylinder moving mechanism is in butt joint with the feeding belt and the discharging belt, the cylinder moving mechanism moves a cylinder body to be punched on the discharging belt to the punching platform, and the moving mechanism also moves the cylinder body which is punched on the punching platform to the discharging belt; the punching mechanism comprises a pressing component and a punching component; the compression assembly comprises two lifting press blocks and guide columns which are oppositely arranged, and the end part of each guide column, which is far away from each lifting press block, is connected with a compression oil cylinder; the punching assembly comprises a punch and a guide plate, and the upper surface of the guide plate, which is far away from the punch, is connected with a punching oil cylinder; the punching device for the engine piston cylinder solves the problems existing in the prior art and realizes quick, efficient, low-cost and high-precision punching processing.

Description

A punching device for engine piston cylinder

technical field

The utility model belongs to the technical field of piston cylinder punching, and more specifically relates to a punching device for engine piston cylinders.

Background technique

The engine is an important core component. The surface of the piston cylinder of the engine must be smooth enough and the size should be appropriate, which is the basis for ensuring the normal operation of the piston and improving energy utilization. There are many and complicated steps in the production process of generators, among which the punching process of the cylinder bore of the engine is particularly important. However, in the prior art, the punching process of the engine cylinder bore still has many defects, such as low efficiency and high cost.

For example, the patent CN203830523U discloses a hollow piston tube punching device, wherein the lower formwork core is provided with a punching hole corresponding to the size of the punch, which is fixed on the base of the lower formwork, and the upper formwork is arranged on the punch to move up and down relative to the lower formwork. punching. After punching in this solution, a push plate needs to be used to push the punch out of the punching hole, which may cause movement of the workpiece and increase the punching process, and requires workers to manually load and unload materials, resulting in low efficiency and unable to meet mass production.

For example, in the patent CN115647189A, a multi-station punching machine based on visual sensing is developed, which uses an adjustable stabilizing device and a mid-section centering device to stably clamp and cooperate the workpiece, and can switch the stabilizing structure. The centering device in the middle section can ensure the accuracy of the forward and backward movement position of the workpiece. It can be seen that because the workpiece needs to be clamped and positioned before the punching process can be carried out, and it needs to be used in conjunction with the visual sensor, the processing cost is increased.

Utility model content

The purpose of the utility model is to provide a punching device for engine piston cylinders, which solves the problems in the background technology and realizes fast, efficient, low-cost, and high-precision punching.

The technical solution of the utility model is a punching device for an engine piston cylinder, including a punching platform, a cylinder sending mechanism and a punching mechanism, the punching mechanism is placed above the punching platform, and the cylinder sending mechanism includes The feed belt and the discharge belt docked with the punching platform and the cylinder-moving mechanism placed at the bottom of the punching platform, the cylinder-moving mechanism is docked with the feed belt and the discharge belt, the The cylinder moving mechanism moves the cylinder to be punched on the discharge belt to the punching platform, and the moving mechanism also moves the punched cylinder on the punching platform to the discharge belt superior;

The punching mechanism includes a pressing assembly and a punching assembly facing the punching platform; the pressing assembly includes two lifting blocks opposite to each other, and the lifting pressing blocks are away from the upper surface of the punching platform. The surface is connected with a guide post, and the end of the guide post away from the lift block is connected with a compression cylinder;

The punching assembly includes a number of punches adapted to the number of cylinders, a guide plate is connected to the end of the punch away from the punching platform, and a punching oil cylinder is connected to the upper surface of the guide plate away from the punch, the The guide plate is sleeved on the guide post, and the guide post is connected with a fixed guide sleeve.

Preferably, a fixed bracket for installing the punching mechanism is fixedly connected to the punching platform, the fixed guide sleeve is fixedly installed with the fixed bracket, and the ends of the pressing cylinder and the punching cylinder are connected with each other. The fixed bracket is rotatably installed, the pressing oil cylinder is fixedly connected with the lifting pressure block, and the punching oil cylinder is rotatably connected with the guide plate.

Preferably, an avoidance groove is provided on the punching platform, and the cylinder-moving mechanism is arranged below the avoidance groove, and the cylinder-moving mechanism includes a horizontal push cylinder, a moving plate pushed by the horizontal push cylinder, and a The jacking cylinder on the upper surface of the moving plate and the positioning ejector fixedly connected with the jacking cylinder, the positioning ejector is pushed out from the avoidance groove, and the horizontal pushing cylinder drives the positioning ejector and the positioning ejector The feeding belt is docked to obtain the cylinder body to be punched, the horizontal push cylinder drives the positioning ejector rod to move and docks with the discharge belt, and the cylinder body punched on the punching platform is moved to the on the discharge belt.

Preferably, a moving guide block is provided on the lower surface of the moving plate, a guide rail passes through the moving guide block, and two jacking cylinders are provided, respectively connected to the bottoms of both ends of the positioning ejector rod.

Preferably, the axial direction of the avoidance groove is consistent with the conveying direction of the feeding belt, and the conveying centerline of the feeding belt and the axis of the avoiding groove are in the same vertical plane, and the conveying centerline of the discharging belt and the axis of the avoiding groove are in the same vertical plane Inside.

Preferably, both the feeding belt and the discharging belt are provided with avoidance belt grooves, and the avoidance belt grooves are parallel to and opposite to the avoidance grooves.

Preferably, the shape of the upper surface of the positioning ejector rod is adapted to the shape of the bottom surface of the cylinder, and the positioning ejector rod is connected with a limiting surface, and the limiting surface is placed at the bottom of the punching platform and does not extend out. The punching platform surface.

The technical solution of the utility model is a beneficial effect of a punching device used for the piston cylinder of an engine: the automatic feeding, discharging and installation of the cylinder body are realized through the cylinder feeding mechanism, and the automatic operation is realized; the automatic punching and punching is realized through the punching mechanism. The punch is pulled out, reducing the process. A punching device for an engine piston cylinder of the solution solves the problems existing in the background technology and realizes fast, efficient, low-cost, and high-precision punching.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of a punching device for an engine piston cylinder according to the present invention.

Fig. 2 is an axonometric view of a punching mechanism used in the engine piston cylinder punching device of the present invention.

Fig. 3 is the front view of the cross-sectional schematic diagram of the cylinder feeding mechanism of the technical solution of the utility model.

Fig. 4 is a front view of the cylinder feeding mechanism of the technical solution of the utility model.

Fig. 5 is an axonometric view of a punching platform used in the engine piston cylinder punching device of the present invention.

Fig. 6 is a piston-cylinder block used for punching of an engine piston cylinder punching device in the technical solution.

Detailed ways

In order to make it easier for those skilled in the art to understand the technical solution of the utility model, the technical solution of the utility model is further described in conjunction with specific embodiments and the accompanying drawings.

Fig. 1 is a schematic diagram of the overall structure of a punching device for an engine piston cylinder according to the present invention, and Fig. 6 is a piston cylinder cylinder body punched by a punching device for an engine piston cylinder in the technical solution, wherein The cylinder body 100 , the cylinder barrel 102 and the concave bottom surface 101 are to be punched, and the outline of the concave bottom surface 101 is shown by the thick solid line in FIG. 6 . The cylinder body 100 to be punched shown in Fig. 6 is only for those skilled in the art to understand the scheme of a punching device for the engine piston cylinder of the present utility model, and the structure of the cylinder body 100 to be punched is not included in the scheme. scope of invention.

As shown in FIGS. 1 and 2 , the technical solution of the utility model is a punching device for engine piston cylinders, which includes a punching platform 1 , a cylinder feeding mechanism 2 and a punching mechanism 3 . The punching mechanism 3 is placed above the punching platform 1, and the cylinder feeding mechanism 2 is provided with a feed belt 22 and a discharge belt 23 docked with the punching platform 1, and a cylinder moving mechanism 21 placed at the bottom of the punching platform 1. The cylinder moving mechanism 21 is docked with the feed belt 22 and the discharge belt 23 . The cylinder moving mechanism 21 moves the cylinder 100 to be punched on the discharge belt 23 to the punching platform 1 , and the moving mechanism also moves the punched cylinder on the punching platform 1 to the discharge belt 23 . By adopting the cylinder moving mechanism 21, automatic loading and unloading of the cylinder to be punched and the cylinder that has been punched is realized, automatic operation is realized, automatic installation and positioning of the cylinder to be punched is realized, and punching efficiency is improved. Simultaneously, the operator is prevented from entering the bottom of the punching mechanism 3 to improve safety.

In this technical solution, the punching mechanism 3 includes a pressing assembly 31 and a punching assembly 32 facing the punching platform 1 . The pressing assembly 31 includes two lifting and lowering pressure blocks 311 oppositely arranged, and the upper surface of the lifting and lowering pressing blocks 311 away from the punching platform is connected with a guide post 312, and the end of the guide post 312 away from the lifting and lowering pressing blocks 311 is connected with a pressing block. Oil cylinder 314. The punching assembly 32 includes a number of punches 321 adapted to the number of the cylinders 102 . A guide plate 322 is connected to the end of the punch 321 away from the punching platform 1 , and a punching oil cylinder 323 is connected to the upper surface of the guide plate 322 away from the punch 321 . The guide plate 322 is sleeved on the guide post 312 , and the guide post 312 is connected with a fixed guide sleeve 313 .

Based on the above technical solution, after the cylinder moving mechanism 21 moves the cylinder 100 to be punched on the discharge belt 23 to the punching platform 1, it is ensured that the cylinder 100 to be punched is safely and stably placed on the punching platform 1; Then the pressing assembly 31 works at first, and the lifting pressure block 311 is driven to descend by the pressing oil cylinder 314, and the cylinder body 100 to be punched is pressed by the upper surface of the cylinder body 100 to be punched; after that, the punching assembly 32 works, punching The hole oil cylinder 323 drives all the punches 321 installed on the guide plate 322 to descend synchronously through the guide plate 322, so as to realize the punching of the cylinder block 100 to be punched; finally, after the punching is completed, the punches 321 are first retracted, reset upwards, and After the punch is reset, the compression oil cylinder 314 drives the lifting pressure block 311 to reset upwards, so that the cylinder body that completes the punching is relaxed. It can be seen that in this scheme, not only the automatic loading and unloading of the cylinder body is realized, but also the automatic fixing of the cylinder body, the punching of all the cylinder barrels 102 are completed at one time, and the automatic extraction and removal of the punch is also completed. The automatic release of the cylinder facilitates the automatic unloading of the cylinder. In the above solution, during the installation of the cylinder, punching, pulling out the punch, release of the cylinder, etc., the cylinder does not move or move, and it can ensure that the cylinder will not move or move, which effectively improves the cylinder capacity. The accuracy of body punching.

That is, in summary, the technical solution of the utility model is a punching device for the piston cylinder of an engine, which realizes automatic feeding, discharging and installation of the cylinder body through the cylinder feeding mechanism, and realizes automatic operation; realizes automatic punching and punching through the punching mechanism. The punch is pulled out, reducing the process. A punching device for an engine piston cylinder of the solution solves the problems existing in the background technology and realizes fast, efficient, low-cost, and high-precision punching.

In the above technical solution, the guide post 312 is guided and positioned by fixing the guide sleeve 313, and then the guide post 312 guides and positions the guide plate 322, so that the structure of the pressing assembly 31 and the punching assembly 32 is simple and compact, and is convenient for lifting The briquetting block 311 is pressed on the surface of the cylinder body so that the area of the lifting briquetting block 311 acts on the upper surface of the cylinder body as much as possible to ensure that the cylinder body is pressed tightly.

In the above technical solution, in order to ensure the stable fixation and compression of the cylinder body, there are two lifting and lowering blocks 311, which are distributed on both sides of the punch, as shown in Figure 1. When the operator stands in front of the device , a number of punches are arranged in a line along the left and right directions of the operator, and the two lift blocks 311 are placed on the left and right sides of the punch, which is convenient for the operator to observe the compression and punching of the cylinder without blocking the line of sight .

In this technical solution, the punching platform 1 is fixedly connected with a fixed bracket 33 for installing the punching mechanism 3, and the fixed guide sleeve 313 is fixedly installed with the fixed bracket 33 to ensure the guidance of the guide post and the guide plate. The ends of the pressing oil cylinder 314 and the punching oil cylinder 323 are all rotatably installed with the fixed support 33 to eliminate over-positioning and avoid problems such as failure of the two oil cylinders due to over-positioning during long-term work. The pressing oil cylinder 314 is fixedly connected with the lift block 311 , and the punching oil cylinder 323 is rotatably connected with the guide plate 322 . The rotating installation of two oil cylinders also eliminates over-location, and also ensures that the punch and lifting pressure block 311 are lifted and kept vertical.

In the technical solution, the punching platform 1 is provided with an avoidance groove 11 , and the cylinder moving mechanism 21 is arranged under the avoidance groove 11 . The cylinder-moving mechanism 21 includes a horizontal push cylinder 211, a moving plate 212 promoted by the horizontal push cylinder 211, a jacking cylinder 213 arranged on the upper surface of the moving plate 212, and a positioning jack 214 fixedly connected to the jacking cylinder 213, and the positioning jack The rod 214 is pushed out from the escape groove 11 . Push the cylinder 211 horizontally to drive the positioning ejector pin 214 to dock with the feed belt 22 to obtain the cylinder body 100 to be punched, and push the cylinder 211 horizontally to drive the positioning ejector pin 214 to move and dock with the discharge belt 23 to complete punching on the punching platform 1. The cylinder of the hole moves onto the discharge belt 23 .

Based on the above-mentioned technical scheme, when working, firstly, the cylinder 211 is pushed horizontally to drive the moving plate 212 and the positioning ejector pin 214 to move to the side of the feed belt 22, and after the positioning ejector pin 214 is moved to the bottom of the feed belt 22, the jacking cylinder 213 is pushed upward. The positioning ejector pin 214 is released, so that the positioning ejector pin 214 enters the cylinder body 100 to be punched on the feed belt 22, and simultaneously the cylinder body 100 to be punched is jacked up and separated from the feed belt 22. Then horizontally promote the cylinder 211 to drive the moving plate 212 and the positioning ejector pin 214, and the cylinder body 100 to be punched to be positioned on the positioning ejector pin 214 moves to the punching platform side, and the cylinder body 100 to be punched moves to the punching platform and placed on the punching platform. Designate a position below the punching mechanism 3 . Here, by controlling the horizontal push cylinder 211 , ensure that the cylinder body 100 to be punched is located at a designated position below the punching mechanism 3 . After that, the jacking cylinder 213 retracts, driving the positioning ejector pin 214 to descend, and the cylinder body 100 to be punched on the positioning ejector pin 214 descends synchronously, and then the cylinder body 100 to be punched falls on the punching platform, and the positioning ejector pin 214 Reset down. At this moment, the cylinder body 100 to be punched is ready for punching, and it can be pressed by the pressing assembly 31 and punched by the punching assembly 32 . After the punching is completed, first the jacking cylinder 213 pushes out the positioning ejector pin 214 upwards, so that the positioning ejector pin 214 enters the bottom surface of the cylinder body that has completed the punching to obtain the cylinder body, and simultaneously the positioning ejector pin 214 jacks up and down the cylinder that completes the punching. body, so that the cylinder is separated from the punching platform 1 upper surface. Then push the cylinder 211 horizontally to drive the moving plate 212, the positioning ejector pin 214 and the cylinder on the positioning ejector pin 214 to move to the top of the discharge belt 23. After the cylinder is positioned above the discharge belt, the jacking cylinder descends to make the cylinder Falling on the discharge belt 23, the automatic discharge of the cylinder body has been completed. Finally, the positioning push rod 214 can be reset.

In the above working process, only by controlling the jacking cylinder and the horizontal pushing cylinder 211, automatic loading and unloading can be realized, efficiency can be improved, labor intensity can be reduced, and staff safety can be improved. Simultaneously, due to the heavy weight of the piston-cylinder body, the movement is realized by jacking the cylinder and horizontally pushing the cylinder 211, the positioning accuracy is high, and the movement and transportation are reliable.

In this technical solution, a moving guide block 216 is provided on the lower surface of the moving plate 212, and a guide rail 217 passes through the moving guide block 216, and two jacking cylinders 213 are provided, which are respectively connected to the bottoms at both ends of the positioning ejector rod 214, Ensure the stability of the positioning push rod 214.

In this technical solution, the axial direction of the avoidance groove 11 is consistent with the conveying direction of the feed belt 22, and the conveying center line of the feed belt 22 and the axis of the avoidance groove 11 are in the same vertical plane, and the conveying center line of the discharge belt 23 and the axis of the avoidance groove 11 are in the same vertical plane. in the same vertical plane. Ensure that the cylinder moving mechanism 21 can smoothly dock with the feeding belt and the discharging belt, and ensure that the cylinder moved by the cylinder moving mechanism 21 can be accurately placed on the punching platform.

In this technical solution, both the feeding belt 22 and the discharging belt 23 are provided with escape belt grooves 221 , and the avoidance belt grooves 221 are parallel to and opposite to the avoidance groove 11 . By arranging the avoidance belt groove 221, it is convenient for the cylinder moving mechanism 21 to obtain the cylinder body smoothly from the feed belt, or to facilitate the cylinder moving mechanism 21 to place the cylinder body on the discharge belt smoothly, so that when the cylinder moving mechanism 21 works, only need For lifting and moving, the cylinder body only needs to be lifted and moved under the action of the moving cylinder mechanism 21, and no other auxiliary equipment or other movements are required, which simplifies the structure of the punching device for the engine piston cylinder and simplifies the operation process , especially to simplify the operation process of automatic loading and unloading.

In this technical solution, the shape of the upper surface of the positioning ejector rod 214 is adapted to the shape of the bottom surface of the cylinder body. , the limiting surface 215 is placed at the bottom of the punching platform 1, and does not extend beyond the surface of the punching platform 1, so as to limit the rising height of the positioning ejector rod 214.

The technical solution of the utility model has described the utility model by way of example in conjunction with the embodiments and accompanying drawings above. Obviously, the specific implementation of the utility model is not limited by the above-mentioned method, as long as the method design and technical solution of the utility model are adopted. Various insubstantial improvements, or direct application of the ideas and technical solutions of the utility model to other occasions without improvement are all within the protection scope of the utility model.

Claims (7)

1. A punching device for an engine piston cylinder, characterized in that it comprises a punching platform, a cylinder sending mechanism and a punching mechanism, the punching mechanism is placed above the punching platform, and the cylinder sending mechanism is set It includes a feed belt and a discharge belt docked with the punching platform and a cylinder-moving mechanism placed at the bottom of the punching platform, and the cylinder-moving mechanism is docked with the feed belt and the discharge belt, so The moving cylinder mechanism moves the cylinder to be punched on the discharge belt to the punching platform, and the cylinder moving mechanism also moves the punched cylinder on the punching platform to the outlet. on the belt; The punching mechanism includes a pressing assembly and a punching assembly facing the punching platform; the pressing assembly includes two lifting blocks opposite to each other, and the lifting pressing blocks are away from the upper surface of the punching platform. The surface is connected with a guide post, and the end of the guide post away from the lift block is connected with a compression cylinder; The punching assembly includes a number of punches adapted to the number of cylinders, a guide plate is connected to the end of the punch away from the punching platform, and a punching oil cylinder is connected to the upper surface of the guide plate away from the punch, the The guide plate is sleeved on the guide post, and the guide post is connected with a fixed guide sleeve. 2. The punching device for engine piston cylinder according to claim 1, characterized in that, the punching platform is fixedly connected with a fixed bracket for installing the punching mechanism, and the fixed guide sleeve and the fixed The bracket is fixedly installed, and the ends of the pressing oil cylinder and the punching oil cylinder are both rotatably installed with the fixed bracket, the pressing oil cylinder is fixedly connected with the lifting pressure block, and the punching oil cylinder is connected with the guide plate Turn to connect. 3. The punching device for engine piston cylinder according to claim 1, wherein an avoidance groove is arranged on the punching platform, the cylinder moving mechanism is arranged below the avoidance groove, and the cylinder moving The mechanism includes a horizontal push cylinder, a moving plate pushed by the horizontal push cylinder, a jacking cylinder arranged on the upper surface of the moving plate and a positioning jack fixed to the jacking cylinder, and the positioning jack is formed by The avoidance groove is pushed out, and the horizontal push cylinder drives the positioning ejector to dock with the feeding belt to obtain a cylinder body to be punched. The horizontal push cylinder drives the positioning ejector to move and connect with the discharge Belt docking, move the punched cylinder on the punching platform to the discharge belt. 4. The punching device for engine piston cylinder according to claim 3, wherein a moving guide block is arranged on the lower surface of the moving plate, a guide rail passes through the moving guide block, and the top There are two lifting cylinders, which are respectively connected to the bottoms of the two ends of the positioning push rod. 5. The punching device for engine piston cylinder according to claim 3, characterized in that, the direction of the axis of the avoidance groove is consistent with the conveying direction of the feed belt, and the conveying centerline of the feed belt is at the same axis as the axis of the avoidance groove. In the vertical plane, the conveying center line of the discharge belt and the axis of the avoidance groove are in the same vertical plane. 6. The punching device for engine piston cylinder according to claim 5, characterized in that, both the feed belt and the discharge belt are provided with avoidance belt grooves, and the avoidance belt grooves are connected with the avoidance belt grooves. The slots are parallel and opposite. 7. The punching device for engine piston cylinder according to claim 3, characterized in that, the shape of the upper surface of the positioning ejector rod is adapted to the shape of the bottom surface of the cylinder body, and the positioning ejector rod is connected with a limit surface , the limiting surface is placed at the bottom of the punching platform and does not extend beyond the surface of the punching platform.