Engine piston pin assembling machine

Abstract

The utility model is suitable for the technical field of engine assembling and processing, and provides an engine piston pin assembling machine which comprises a workbench, an assembling sliding rail is transversely installed at the top end of the workbench, a limiting mechanism is installed at the end, located on the assembling sliding rail, of the workbench, and a plug pin mechanism is installed at the other end, located on the assembling sliding rail, of the workbench. Through the arrangement of the assembly sliding rail, all the mechanisms can be conveniently installed on the sliding rail, move on the same line and be accurately aligned, it is ensured that the piston pin can be accurately installed in the piston and the connecting rod, and assembly deviation is avoided; the plug pin mechanism is used for pushing a pin into a pin hole of a piston, the plug pin mechanism and the plug pin mechanism cooperate with each other to complete automatic assembling of the pin, and by arranging the bearing mechanism and the piston containing table, an adaptive carrier is adjusted in the assembling process of piston pins of different models so as to meet different assembling requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of engine assembly and processing, in particular to an engine piston pin assembly machine. Background Art

[0002] The piston pin is a key component that connects the piston and the connecting rod. It not only has to withstand high temperature and high pressure working environment, but also has to transmit huge power load. Therefore, the assembly quality of the piston pin directly affects the performance and life of the engine. The engine piston pin assembly machine usually uses the side insertion method for press installation. During the operation, the pins will be arranged neatly through the automatic sorting and feeding system, while the piston is manually loaded. The assembly machine passes the piston pin through the small end hole of the connecting rod through precise positioning and pressure control and accurately installs it in place.

[0003] Traditional piston pin assembly processing usually adopts manual or simple pressurizing equipment to achieve piston pin assembly, which has poor processing accuracy, many manual processes, low degree of automation and low processing efficiency. Utility Model Content

[0004] The utility model provides an engine piston pin assembly machine, aiming to solve the problems of traditional piston pin assembly processing, which usually adopts manual or simple pressurizing equipment to realize piston pin assembly, has poor processing accuracy, many manual processes, low automation degree and low processing efficiency.

[0005] The utility model is implemented as follows: an engine piston pin assembly machine comprises a workbench, an assembly slide rail is transversely installed on the top of the workbench, a limiting mechanism is installed on one end of the workbench located at the assembly slide rail, a latch mechanism is installed on the other end of the workbench located at the assembly slide rail, a bearing mechanism is installed on the workbench between the limiting mechanism and the latch mechanism, a piston placing table is installed on the bearing mechanism, a feeding mechanism is installed on one side of the workbench located at the bearing mechanism, and a feeding mechanism is installed on the bottom of the feeding mechanism.

[0006] Preferably, the limiting mechanism includes: a limiting cylinder, the limiting cylinder is fixedly mounted on the top of the workbench, the output end of the limiting cylinder is fixedly connected to a mounting plate, the mounting plate is fixedly connected to a limiting slider, the limiting slider is mounted on an assembly slide rail, the two are slidably connected and fit each other, the limiting slider is fixedly connected to a limiting push rod on a side wall close to the piston placement table, a pulley is provided on the side of the limiting slider facing away from the mounting plate, the workbench is provided with a slide groove below the pulley, the pulley is located in the slide groove and the two fit each other.

[0007] The beneficial effect of adopting the above further solution is that it is used to lift and limit the pin hole on one side of the piston.

[0008] Preferably, the latch mechanism includes: a latch cylinder, which is installed at the bottom of the workbench, and the output end of the latch cylinder is fixedly connected to a driving plate, the workbench is provided with a long strip slot located on the driving plate, and the driving plate is slidably connected to the workbench through the slot, and the top of the driving plate is fixedly connected to a latch slider, and the latch slider is installed on an assembly slide rail, the two are slidably connected and adapted to each other, and a latch push rod is fixedly connected to a side wall of the latch slider close to the supporting mechanism.

[0009] The beneficial effect of adopting the above further solution is: the pin is pushed to be inserted into the piston, thereby completing the automatic assembly of the pin.

[0010] Preferably, the supporting mechanism includes: a supporting plate, which is vertically installed above the assembly slide rail and fixedly connected to the workbench at both ends, a placing slide rail is provided at the middle position of the top end of the supporting plate, a placing slide is slidably installed on the placing slide rail, a plurality of placing slides are provided, and the plurality of placing slides are installed in parallel on the placing slide rail, and pin grooves are provided on the top ends of the plurality of placing slides.

[0011] The beneficial effect of adopting the above further solution is that the slide table can be adjusted by sliding to adapt to piston assemblies of different sizes.

[0012] Preferably, a plurality of layers of piston grooves are provided in the middle of the top end of the piston placement platform.

[0013] The beneficial effects of adopting the above further solution are: facilitating adaptation to pistons of different sizes and increasing the adaptability of the device to processing pistons of different sizes.

[0014] Preferably, the feeding mechanism includes: a support seat, the bottom of which is installed on a workbench, a feed inclined box is installed on the top of the support seat, the bottom of the feed inclined box is an inclined surface, a discharge bin is provided at the bottom of the inclined surface, and a box door is provided on the feed inclined box, and a cavity opening upward is formed inside the feed inclined box and the box door.

[0015] The beneficial effects of adopting the above further solution are: facilitating the loading and unloading of materials by the staff and facilitating the operation.

[0016] Preferably, the feeding mechanism includes: a feeding cylinder, which is installed at the bottom of a feed inclined box, a spacer block is installed at the output end of the feeding cylinder, the spacer block and the bottom of the feed inclined box are rotatably connected via a rotating shaft, and a matching groove is provided at the bottom of the spacer block of the feed inclined box.

[0017] The beneficial effect of adopting the above further scheme is: convenient and accurate control of feeding.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows: an engine piston pin assembly machine of the utility model is convenient for each mechanism to be installed on the slide rail and move on the same linear shape by providing an assembly slide rail, which is convenient for accurate alignment, ensuring that the piston pin can be accurately installed in the piston and the connecting rod, avoiding assembly deviation, and providing a limit mechanism to lift and limit the pin hole on one side of the piston, and a latch mechanism to push the pin into the pin hole of the piston, and the two cooperate with each other to complete the automatic assembly of the pin, and by providing a bearing mechanism and a piston placement table, the adapter carrier is adjusted during the assembly process of piston pins of different models to adapt to different assembly requirements, and by providing a feeding mechanism and a feeding mechanism, the entire assembly process is automated, which greatly improves production efficiency, and the introduction of automated equipment reduces dependence on skilled workers and reduces labor costs, and automated equipment reduces the opportunity for operators to directly contact machines and reduces the risk of work-related injuries. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 for Figure 1 A side view schematic diagram of the structure;

[0021] Figure 3 for Figure 1 Another side view of the structure schematic diagram;

[0022] Figure 4 for Figure 1 Schematic diagram of the structure of the feeding mechanism and the feeding mechanism;

[0023] Figure 5 for Figure 2 The schematic diagram of the slide structure is placed in the middle;

[0024] Figure 6 for Figure 2 Schematic diagram of the structure of the middle piston placement platform.

[0025] In the figure: 1. workbench; 2. assembly slide rail; 3. limit mechanism; 31. limit cylinder; 32. mounting plate; 33. limit slider; 34. limit push rod; 35. pulley; 4. latch mechanism; 41. latch cylinder; 42. drive plate; 43. latch slider; 44. latch push rod; 5. bearing mechanism; 51. bearing plate; 52. placement slide rail; 53. placement slide; 54. pin groove; 6. piston placement table; 7. feeding mechanism; 71. support seat; 72. feeding inclined box; 73. box door; 74. discharge bin; 8. feeding mechanism; 81. feeding cylinder; 82. spacer block; 9. piston groove; 10. piston; 11. pin. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] See also Figure 1-6 The utility model provides a technical solution for an engine piston pin assembly machine: an engine piston pin assembly machine, comprising a workbench 1, an assembly slide rail 2 is horizontally installed on the top of the workbench 1, a limiting mechanism 3 is installed at one end of the workbench 1 located at the assembly slide rail 2, a latch mechanism 4 is installed at the other end of the workbench 1 located at the assembly slide rail 2, a bearing mechanism 5 is installed on the workbench 1 between the limiting mechanism 3 and the latch mechanism 4, a piston placing table 6 is installed on the bearing mechanism 5, a feeding mechanism 7 is installed on one side of the workbench 1 located at the bearing mechanism 5, and a feeding mechanism 8 is installed at the bottom of the feeding mechanism 7.

[0028] In this embodiment, by providing an assembly slide rail 2, it is convenient for each mechanism to be installed on the slide rail and move on the same linear shape, which is convenient for precise alignment, ensuring that the piston pin can be accurately installed in the piston and the connecting rod, avoiding assembly deviation, and providing a limit mechanism 3 to lift and limit the pin hole on one side of the piston 10, and a latch mechanism 4 to push the pin 11 into the pin hole of the piston 10, and the two cooperate with each other to complete the automatic assembly of the pin 11, and by providing a bearing mechanism 5 and a piston placement table 6, the adapter carrier is adjusted during the assembly process of piston pins of different models to adapt to different assembly requirements, and by providing a feeding mechanism 7 and a feeding mechanism 8, the entire assembly process is automated, which greatly improves production efficiency, and the introduction of automated equipment reduces dependence on skilled workers and reduces labor costs. Automated equipment reduces the opportunity for operators to directly contact machines and reduces the risk of work-related injuries.

[0029] Further; the limiting mechanism 3 includes: a limiting cylinder 31, the limiting cylinder 31 is fixedly installed on the top of the workbench 1, the output end of the limiting cylinder 31 is fixedly connected to the mounting plate 32, the mounting plate 32 is fixedly connected to the limiting slider 33, the limiting slider 33 is installed on the assembly slide rail 2, the two are slidably connected and adapt to each other, the limiting slider 33 is fixedly connected to a limiting push rod 34 on a side wall close to the piston placement platform 6, and a pulley 35 is provided on the side of the limiting slider 33 away from the mounting plate 32, and the workbench 1 is provided with a slide groove below the pulley 35, the pulley 35 is located in the slide groove and the two are adapted to each other.

[0030] In this embodiment, the limiting mechanism 3 is used to lift and limit the pin hole on one side of the piston 10. The limiting cylinder 31 is set to drive the mounting plate 32 to move, wherein the limiting cylinder 31 and the mounting slide rail 2 are parallel to each other, thereby driving the slider 33 installed on the mounting plate 32 to slide on the mounting slide rail 2, and is used to drive the limiting push rod 34 to slide toward the piston placement table 6, and is used to align with the pin hole on the piston 10, so as to cooperate with the latch structure 4, and assemble the pin 11 into the pin hole of the piston 10, thereby ensuring the accuracy of the installation position of the pin 11 in the piston 10, and is also suitable for the assembly of pins 11 of pistons 10 of different sizes, which greatly improves the adaptability of the device. The pulley 35 is set to facilitate the improvement of the sliding stability of the slider 33.

[0031] Typically, the latch mechanism 4 comprises a latch cylinder 41, which is mounted on the bottom of the workbench 1, a driving plate 42 is fixedly connected to the output end of the latch cylinder 41, a long slot is provided on the workbench 1 at the driving plate 42, the driving plate 42 is slidably connected to the workbench 1 through the slot, a latch slider 43 is fixedly connected to the top of the driving plate 42, the latch slider 43 is mounted on the assembly slide rail 2, the two are slidably connected and fit each other, and a latch push rod 44 is fixedly connected to a side wall of the latch slider 43 close to the supporting mechanism 5.

[0032] In this embodiment, the latch mechanism 4 is used to push the pin 11 into the pin hole of the piston 10, and a drive plate 42 is fixedly installed through the output end of the latch cylinder 41, wherein the output direction of the latch cylinder 41 is the same as the sliding direction of the assembly slide rail 2, and the drive plate 42 passes through the workbench 1, and the drive plate 42 is driven by the latch cylinder 41 to slide left and right in the long strip slot, thereby driving the latch slider 43 to slide on the assembly slide rail 2. When latch assembly is required, the latch push rod 44 on the latch slider 43 is driven by the latch cylinder 41 to align with the pin 11 on the supporting mechanism 5, and the pin 11 is pushed to be inserted into the piston 10, thereby completing the automatic assembly of the pin 11.

[0033] Specifically, the supporting mechanism 5 includes: a supporting plate 51, the supporting plate 51 is vertically installed above the assembly slide rail 2, and both ends are fixedly connected to the workbench 1, a placement slide rail 52 is arranged at the middle position of the top end of the supporting plate 51, a placement slide 53 is slidably installed on the placement slide rail 52, a plurality of placement slides 53 are arranged, and a plurality of groups of placement slides 53 are installed in parallel on the placement slide rail 52, and a pin groove 54 is opened on the top end of the plurality of groups of placement slides 53.

[0034] In this embodiment, the supporting mechanism 5 is used to place the pin 11, and is fixedly installed on the workbench 1 by setting a supporting plate 51, and is vertically mounted on the assembly slide rail 2. Several groups of placement slides 53 are provided with pin grooves 54, wherein the size of each group of pin grooves 54 is adapted to pins of different sizes. By providing a placement slide rail 53 at the bottom of the placement slide 53, the placement slide 53 can be adjusted by sliding to adapt to piston assemblies of different sizes.

[0035] In addition, a plurality of layers of piston grooves 9 are provided at the middle position of the top of the piston placement platform 6 .

[0036] In this embodiment, a plurality of concentric piston grooves 9 are opened in the middle of the piston placement platform 6, whose diameters increase from the inside to the outside, and the circular grooves are stepped, which is convenient for adapting to pistons of different sizes and increasing the device's adaptability to piston processing of different sizes.

[0037] In addition; the feeding mechanism 7 includes: a support seat 71, the bottom of the support seat 71 is installed on the workbench 1, a feed inclined box 72 is installed on the top of the support seat 71, the bottom of the feed inclined box 72 is an inclined surface, and a discharge bin 74 is provided at the bottom of the inclined surface, and a box door 73 is provided on the feed inclined box 72, and a cavity opening upward is formed inside the feed inclined box 72 and the box door 73.

[0038] In this embodiment, the feeding mechanism 7 is used to store the pins 11 and feed the supporting mechanism 5 below. The pins 11 are placed in the feeding inclined box 72 one by one, and the pins slide into the feeding bin 74 through the inclined surface at the bottom, and slide onto the supporting mechanism 5 under the action of gravity. The box door 73 is provided to facilitate the staff to load and unload materials and facilitate operation.

[0039] It should be noted that the feeding mechanism 8 includes: a feeding cylinder 81, which is installed at the bottom of the feed inclined box 72, and a spacer block 82 is installed at the output end of the feeding cylinder 81. The spacer block 82 and the bottom of the feed inclined box 72 are rotatably connected via a rotating shaft, and the feed inclined box 72 is provided with a matching groove at the bottom of the spacer block 82.

[0040] In this embodiment, a feeding cylinder 81 is provided, and by driving the feeding cylinder 81, the partition plate 82 can be driven to rotate toward the inner side of the bottom of the feed box 72, and the partition plate 82 can be used to prevent the pin 11 from continuing to slide down the feed bin 74, so that the feeding device is conveniently controlled by the feeding mechanism 8, wherein both ends of the feeding cylinder 81 are rotated with the rotating shaft through the sleeve, so as to adapt to the rotation of the partition plate 82. This structure is well known in the technical field and will not be introduced in detail. In this device, sensors can be provided at the bottom of the feed bin 74 and the feed inclined box 72 to facilitate the precise control of the feeding through the feeding mechanism 8.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An engine piston pin assembly machine, characterized in that: The invention comprises a workbench (1), wherein an assembly slide rail (2) is transversely mounted on the top of the workbench (1), a limit mechanism (3) is mounted on one end of the workbench (1) on the assembly slide rail (2), a latch mechanism (4) is mounted on the other end of the workbench (1) on the assembly slide rail (2), a bearing mechanism (5) is mounted on the workbench (1) between the limit mechanism (3) and the latch mechanism (4), a piston placement platform (6) is mounted on the bearing mechanism (5), a feeding mechanism (7) is mounted on one side of the workbench (1) on the bearing mechanism (5), and a feeding mechanism (8) is mounted on the bottom of the feeding mechanism (7).

2. The engine piston pin assembly machine according to claim 1, characterized in that: The limiting mechanism (3) comprises: a limiting cylinder (31), the limiting cylinder (31) is fixedly mounted on the top of the workbench (1), the output end of the limiting cylinder (31) is fixedly connected to a mounting plate (32), the mounting plate (32) is fixedly connected to a limiting slider (33), the limiting slider (33) is mounted on an assembly slide rail (2), the two are slidably connected and mutually adapted, the limiting slider (33) is fixedly connected to a side wall close to the piston placement platform (6) to a limiting push rod (34), the limiting slider (33) is provided with a pulley (35) on the side facing away from the mounting plate (32), the workbench (1) is provided with a slide groove below the pulley (35), the pulley (35) is located in the slide groove, and the two are mutually adapted.

3. The engine piston pin assembly machine according to claim 1, characterized in that: The latch mechanism (4) comprises: a latch cylinder (41), the latch cylinder (41) is mounted on the bottom of the workbench (1), the output end of the latch cylinder (41) is fixedly connected to a driving plate (42), the workbench (1) is provided with a long strip slot at the driving plate (42), the driving plate (42) is slidably connected to the workbench (1) through the slot, the top of the driving plate (42) is fixedly connected to a latch slider (43), the latch slider (43) is mounted on an assembly slide rail (2), the two are slidably connected and mutually adapted, and the latch slider (43) is fixedly connected to a latch push rod (44) on a side wall close to the bearing mechanism (5).

4. The engine piston pin assembly machine according to claim 1, characterized in that: The bearing mechanism (5) comprises: a bearing plate (51), the bearing plate (51) is vertically mounted above the assembly slide rail (2), and both ends are fixedly connected to the workbench (1), a placement slide rail (52) is arranged at the middle position of the top end of the bearing plate (51), a placement slide table (53) is slidably mounted on the placement slide rail (52), the placement slide tables (53) are arranged in a plurality of groups, and the plurality of groups of placement slide tables (53) are mounted in parallel on the placement slide rail (52), and pin grooves (54) are arranged at the top ends of the plurality of groups of placement slide tables (53).

5. The engine piston pin assembly machine according to claim 1, characterized in that: A plurality of layers of piston grooves (9) are provided at the middle position of the top end of the piston placement platform (6).

6. The engine piston pin assembly machine according to claim 1, characterized in that: The feeding mechanism (7) comprises: a support seat (71), the bottom of the support seat (71) is mounted on the workbench (1), a feeding inclined box (72) is mounted on the top of the support seat (71), the bottom of the feeding inclined box (72) is an inclined surface, a discharge bin (74) is arranged at the bottom of the inclined surface, a box door (73) is arranged on the feeding inclined box (72), and a cavity opening upward is formed inside the feeding inclined box (72) and the box door (73).

7. The engine piston pin assembly machine according to claim 6, characterized in that: The feeding mechanism (8) comprises: a feeding cylinder (81), the feeding cylinder (81) is installed at the bottom of the feeding inclined box (72), a spacer block (82) is installed at the output end of the feeding cylinder (81), the spacer block (82) and the bottom of the feeding inclined box (72) are rotatably connected via a rotating shaft, and the feeding inclined box (72) is provided with a matching groove at the bottom of the spacer block (82).

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