Snap spring pushing device

Abstract

The utility model relates to the technical field of snap spring assembly, and discloses a snap spring pushing device which comprises an installation frame, a workpiece jig, a pressing plate, a pressing plate driving mechanism, a push rod and a push rod driving mechanism. The workpiece jig is arranged on the mounting frame, at least two limiting grooves and guide grooves which are in one-to-one correspondence with the limiting grooves and communicate with the limiting grooves are formed in the workpiece jig, and the limiting grooves are used for containing the clamping springs and the workpieces and enable the clamping grooves of the clamping springs and the clamping grooves of the workpieces to be located on the same plane; the pressing plate is arranged above the workpiece jig, and the pressing plate driving mechanism is arranged on the mounting frame, is in transmission connection with the pressing plate and is used for driving the pressing plate to move towards or away from the workpiece jig; and the push rod driving mechanism is arranged on the mounting frame, is in transmission connection with the push rods and is used for driving the push rods to slide towards or away from the workpiece jig. The clamp spring assembling device can solve the problem of how to improve the accuracy and efficiency of clamp spring assembling.

Description

Technical Field

[0001] This utility model relates to the field of snap ring assembly technology, specifically to a snap ring pushing device. Background Technology

[0002] Snap rings are common elastic fasteners widely used in various mechanical devices for axial positioning and preventing parts from loosening or falling off. Their assembly quality directly affects the operational stability, service life, and safety performance of the entire mechanical system. Therefore, optimizing the assembly process of snap rings and improving assembly accuracy and efficiency are of great significance for ensuring product quality and improving production efficiency.

[0003] In traditional production models, the assembly of retaining rings primarily relies on manual operation, requiring workers to manually insert the retaining rings into pre-designed slots on the workpiece. However, this manual assembly process faces numerous challenges. First, due to the limited space in the slots, it is difficult to precisely control the insertion direction and position of the retaining ring during manual operation. The retaining ring is prone to deflection or tilting during insertion, resulting in unnecessary collisions and friction with the edge of the slot. This physical contact can not only damage the surface of the retaining ring but may even cause deformation, severely affecting assembly quality and subsequent performance. Second, traditional manual assembly methods are inefficient, handling only one retaining ring at a time, making it difficult to meet the demands of modern manufacturing for large-scale, continuous production.

[0004] In view of the above problems, it is particularly urgent and necessary to develop a snap ring pusher that can automate and accurately complete snap ring assembly tasks. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] This utility model provides a snap ring pusher device, which can at least solve the technical problem of how to improve the accuracy and efficiency of snap ring assembly.

[0007] (II) Technical Solution

[0008] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a snap ring pusher device, comprising:

[0009] Mounting rack;

[0010] The workpiece fixture is mounted on the mounting frame. The workpiece fixture has at least two limiting grooves and guide grooves that correspond to and communicate with the limiting grooves. The limiting grooves are used for placing the snap ring and the workpiece, and make the snap ring and the workpiece's snap grooves on the same plane.

[0011] The pressure plate and the pressure plate driving mechanism are arranged above the workpiece fixture. The pressure plate driving mechanism is arranged on the mounting frame and is connected to the pressure plate for transmission. The pressure plate driving mechanism is used to drive the pressure plate to move towards or away from the workpiece fixture, so as to press down or release the workpiece on the workpiece fixture.

[0012] The push rod and push rod drive mechanism are provided. The number of push rods is the same as the number of guide grooves and they are set one-to-one. Each push rod slides along its corresponding guide groove and is set on the same plane as the workpiece's slot. The push rod drive mechanism is set on the mounting frame and is connected to the push rod drive mechanism. The push rod drive mechanism is used to drive the push rod to slide towards or away from the workpiece fixture so as to push the snap ring into the workpiece's slot.

[0013] Furthermore, the aforementioned push rod has a contact groove at one end near the limiting groove. The contact groove is used for the insertion of the retaining spring, and the shape and size of the contact groove match the partial structure of the retaining spring.

[0014] Further, the aforementioned workpiece fixture includes a placement plate. The top of the placement plate has a limiting groove and a guide groove. The side of the limiting groove away from the guide groove has a gradually expanding opening. The diameter of the gradually expanding opening gradually increases from the inside of the limiting groove to the outside along the extension direction of the guide groove. The gradually expanding opening is used to guide the workpiece and the snap ring in the limiting groove to be aligned.

[0015] In a further configuration, the aforementioned push rod drive mechanism is used to drive the push rod to reciprocate between the first position and the second position;

[0016] The snap ring pusher also includes a positioning detection mechanism, which includes a first sensing plate, a first sensor, a second sensing plate, and a second sensor. The first and second sensing plates are located at the output end of the push rod drive mechanism or on the push rod, and the first and second sensors are located on the mounting bracket.

[0017] When the push rod is in the first position, the first sensor senses the first sensing plate; when the push rod is in the second position, the second sensor senses the second sensing plate.

[0018] Furthermore, the aforementioned snap ring pusher also includes a position sensor, which is mounted on the mounting bracket and used to sense the position of the push rod.

[0019] Furthermore, the aforementioned snap ring pusher also includes a base frame and a mounting frame drive mechanism. The mounting frame is slidably mounted on the base frame, and the mounting frame drive mechanism is mounted on the base frame and is connected to the mounting frame in a transmission manner. The mounting frame drive mechanism is used to drive the mounting frame to slide relative to the base frame.

[0020] (III) Beneficial Effects

[0021] Compared with the prior art, the snap ring pusher device provided by this utility model has the following advantages:

[0022] When using the snap ring pusher device provided by this utility model, firstly, snap rings are placed one by one on each limiting groove of the workpiece fixture, and then workpieces are placed one by one on each limiting groove containing snap rings, thereby automatically aligning the snap rings with the slots of the workpieces to facilitate accurate assembly of the snap rings subsequently; then, the pressure plate drive mechanism is activated to drive the pressure plate to move toward the workpiece fixture, pressing down all workpieces on the workpiece fixture to prevent the workpieces from moving during the assembly process and affecting the snap ring assembly; finally, the push rod drive mechanism drives the push rod to slide along the guide groove toward the workpiece fixture, pushing the snap rings to move accordingly, thereby pushing the snap rings into the slots of the workpieces, completing the assembly of the snap rings and workpieces. As can be seen, this snap ring pusher can automatically control the insertion direction and position of the snap ring, thereby accurately inserting the snap ring into the narrow slot of the workpiece. It replaces manual assembly and effectively avoids the snap ring from deflecting or tilting during insertion, which could lead to collision and friction between the snap ring and the edge of the slot, causing the snap ring to deform. This effectively improves the accuracy and consistency of snap ring assembly, ensures product quality, and reduces labor costs. Furthermore, this snap ring pusher can assemble multiple snap rings at once, effectively improving the assembly efficiency of snap rings and meeting the needs of modern manufacturing for large-scale, continuous production. Attached Figure Description

[0023] Figure 1 This is a perspective view of the snap ring pusher device in the embodiment;

[0024] Figure 2 This is a cross-sectional view of the snap ring pusher device in the embodiment;

[0025] Figure 3 for Figure 2 Enlarged diagram of point A in the middle.

[0026] Icon labels:

[0027] 1. Mounting bracket;

[0028] 2. Workpiece fixture; 21. Limiting groove; 22. Guide groove; 23. Placement plate; 24. Incremental flare;

[0029] 3. Pressure plate; 4. Pressure plate drive mechanism;

[0030] 5. Push rod; 51. Contact groove;

[0031] 6. Push rod drive mechanism;

[0032] 71. First sensing element; 72. First sensor; 73. Second sensing element; 74. Second sensor;

[0033] 8. Base frame; 9. Mounting bracket drive mechanism;

[0034] 100, snap ring; 200, workpiece; 2001, slot. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0036] This utility model provides a snap ring pusher device to solve the problem of how to improve the accuracy and efficiency of snap ring 100 assembly.

[0037] See Figure 1 and Figure 2 As shown, Figure 1 This is a perspective view of the snap ring pusher device in the embodiment. Figure 2 The figure shows a cross-sectional view of the snap ring pusher device in the embodiment. The snap ring pusher device includes a mounting frame 1, a workpiece fixture 2, a pressure plate 3, a pressure plate drive mechanism 4, a push rod 5, and a push rod drive mechanism 6.

[0038] The workpiece fixture 2 is mounted on the mounting frame 1 by welding or screwing. The workpiece fixture 2 has at least two limiting grooves 21 and guide grooves 22 that correspond one-to-one with and communicate with the limiting grooves 21. The limiting grooves 21 are used to place the snap ring 100 and the workpiece 200, and to make the snap ring 100 and the snap groove 2001 of the workpiece 200 lie on the same plane.

[0039] The pressure plate 3 is located above the workpiece fixture 2. The pressure plate drive mechanism 4 is mounted on the mounting frame 1 by welding or screwing and is connected to the pressure plate 3 for transmission. The pressure plate drive mechanism 4 is used to drive the pressure plate 3 to move toward or away from the workpiece fixture 2, thereby pressing down on or releasing the workpiece 200 on the workpiece fixture 2.

[0040] The number of push rods 5 is the same as the number of guide grooves 22, and they are arranged in a one-to-one correspondence. Each push rod 5 is slidably arranged along its corresponding guide groove 22 and is located on the same plane as the slot 2001 of the workpiece 200. The push rod drive mechanism 6 is mounted on the mounting bracket 1 by welding or screwing, and is connected to the push rod 5 for transmission. The push rod drive mechanism 6 is used to drive the push rod 5 to slide toward or away from the workpiece fixture 2, so as to push the retaining spring 100 into the slot 2001 of the workpiece 200.

[0041] When using the snap ring pusher device described above, firstly, snap rings 100 are placed one by one on each limiting groove 21 of the workpiece fixture 2. Then, workpieces 200 are placed one by one on each limiting groove 21 containing snap rings 100, thereby automatically aligning snap rings 100 with the snap grooves 2001 of workpieces 200, facilitating accurate assembly of snap rings 100 subsequently. Next, the pressure plate drive mechanism 4 is activated, driving the pressure plate 3 to move towards the workpiece fixture 2, pressing down on all workpieces 200 on the workpiece fixture 2 to prevent movement of workpieces 200 during assembly that could affect the assembly of snap rings 100. Finally, the push rod drive mechanism 6 drives the push rod 5 to slide along the guide groove 22 towards the workpiece fixture 2, pushing snap rings 100 to move accordingly, thereby pushing snap rings 100 into the snap grooves 2001 of workpieces 200, completing the assembly of snap rings 100 and workpieces 200. As can be seen, this invention can automatically control the insertion direction and position of the retaining ring 100, thereby accurately inserting the retaining ring 100 into the narrow slot 2001 of the workpiece 200. This replaces manual assembly, effectively preventing the retaining ring 100 from deflecting or tilting during insertion, thus avoiding collisions and friction between the retaining ring 100 and the edge of the slot 2001, which could lead to deformation of the retaining ring 100. This effectively improves the accuracy and consistency of retaining ring 100 assembly, ensures product quality, and reduces labor costs. Furthermore, this invention can assemble multiple retaining rings 100 at once, effectively improving the assembly efficiency of the retaining rings 100 and meeting the needs of modern manufacturing for large-scale, continuous production.

[0042] The aforementioned pressure plate drive mechanism 4 and push rod drive mechanism 6 can be any of the existing telescopic cylinders, hydraulic cylinders, electric push rods 5, or servo motor-driven screw and nut mechanisms. The output end of the pressure plate drive mechanism 4 is connected to the pressure plate 3 by welding or screwing, and the output end of the push rod drive mechanism 6 is connected to the push rod 5 by welding or screwing. In this way, the pressure plate drive mechanism 4 and the push rod drive mechanism 6 can provide precise and controllable driving force to the pressure plate 3 and the push rod 5, respectively, to achieve precise motion control of the pressure plate 3 and the push rod 5.

[0043] See Figure 3 As shown, Figure 3 for Figure 2The enlarged schematic diagram at point A shows that, in one embodiment of the push rod 5, the end of the push rod 5 near the limiting groove 21 has a contact groove 51. The contact groove 51 is used for partial insertion of the retaining spring 100. The shape and size of the contact groove 51 match the partial structure of the retaining spring 100. Thus, when the push rod drive mechanism 6 drives the push rod 5 to slide along the guide groove 22 toward the workpiece fixture 2, the retaining spring 100 is partially inserted into the contact groove 51, and the push rod 5 contacts the surface of the retaining spring 100 through the contact groove 51, driving the retaining spring 100 to be accurately and smoothly pushed into the retaining groove 2001 of the workpiece 200. It can be seen that the contact groove 51 can not only limit the vertical position of the retaining ring 100, further preventing the retaining ring 100 from deflecting or tilting during insertion and causing deformation of the retaining ring 100, thereby further improving the accuracy and consistency of the assembly of the retaining ring 100, but also the contact groove 51 can effectively reduce the stress concentration between the retaining ring 100 and the retaining ring 100 during the pushing process by contacting the surface of the retaining ring 100, further reducing the risk of deformation of the retaining ring 100.

[0044] See Figure 1 , Figure 2 and Figure 3 As shown, in one embodiment of the workpiece fixture 2, the workpiece fixture 2 includes a placement plate 23. A limiting groove 21 and a guide groove 22 are formed on the top of the placement plate 23. A flared opening 24 is formed on the side of the limiting groove 21 away from the guide groove 22. The diameter of the flared opening 24 gradually increases from the inside of the limiting groove 21 outwards along the extending direction of the guide groove 22. The flared opening 24 is used to guide the workpiece 200 and the retaining ring 100 within the limiting groove 21 for alignment. Thus, the flared opening 24 facilitates adjustment of the relative position of the workpiece 200 and the retaining ring 100, thereby ensuring that the retaining ring 100 accurately enters the workpiece 200's retaining groove 2001.

[0045] See Figure 1 and Figure 2As shown, based on any of the above embodiments, the push rod drive mechanism 6 is used to drive the push rod 5 to reciprocate between a first position and a second position. The snap ring pusher also includes a positioning detection mechanism. The positioning detection mechanism includes a first sensing plate 71, a first sensor 72, a second sensing plate 73, and a second sensor 74. The first sensing plate 71 and the second sensing plate 73 are disposed on the output end of the push rod drive mechanism 6 or on the push rod 5 by welding or screwing. The first sensor 72 and the second sensor 74 are disposed on the mounting bracket 1 by welding or screwing. The first sensor 72 is used to sense the first sensing plate 71, and the second sensor 74 is used to sense the second sensing plate 73. Wherein, when the push rod 5 is in the first position, the first sensor 72 senses the first sensing plate 71; when the push rod 5 is in the second position, the second sensor 74 senses the second sensing plate 73. Thus, when assembling the snap ring 100, the push rod drive mechanism 6 drives the push rod 5 to move from the first position toward the second position, causing the first sensing plate 71 and the snap ring 100 to move accordingly. When the first sensor 72 senses the first sensing plate 71, the push rod drive mechanism 6 stops driving the push rod 5 and stops the push rod 5 in the second position. At this time, the snap ring 100 is assembled in place. Then, the push rod drive mechanism 6 drives the push rod 5 to move from the second position toward the first position, away from the limiting groove 21, and causes the first sensing plate 71 to move away from the first sensor 72, and causes the second sensing plate 73 to move closer to the second sensor 74. When the second sensor 74 senses the second sensing plate 73, the push rod drive mechanism 6 stops driving the push rod 5 again and stops the push rod 5 in the first position, so that the worker can take the workpiece 200 equipped with the snap ring 100 out of the workpiece fixture 2 and place the next snap ring 100 and workpiece 200 to be assembled on the limiting grooves 21 of the workpiece fixture 2 for the next round of assembly. It can be seen that the snap ring pusher can accurately control the position of the push rod 5 through the positioning detection mechanism, thereby accurately controlling the position of the snap ring 100 inserted into the snap ring slot 2001.

[0046] The first sensor 72 and the second sensor 74 mentioned above can use existing sensors such as proximity switches, while the first sensing element 71 and the second sensing element 73 can use corresponding sensing elements.

[0047] In addition to the above-described embodiments, the position of the push rod 5 can also be implemented in another way. In this other embodiment, the snap ring pusher device further includes a position sensor (not shown in the figure). The position sensor is mounted on the mounting bracket 1 and is used to sense the position of the push rod 5. The position sensor can be any existing position sensor such as a rangefinder or laser sensor. In this way, by sensing the position of the push rod 5, the position sensor can also achieve the effect of precisely controlling the position of the snap ring 100 inserted into the snap ring slot 2001.

[0048] See Figure 1 and Figure 2As shown, based on any of the above embodiments, the snap ring pusher device further includes a base frame 8 and a mounting frame drive mechanism 9. The mounting frame 1 is slidably connected to the base frame 8. The mounting frame drive mechanism 9 is mounted on the base frame 8 by welding or screwing and is drively connected to the mounting frame 1. The mounting frame drive mechanism 9 is used to drive the mounting frame 1 to slide relative to the base frame 8. In this way, the mounting frame drive mechanism 9 can provide driving force to the mounting frame 1, thereby synchronously pushing the workpiece fixture 2 to a preset position for subsequent automatic loading and unloading.

[0049] The aforementioned mounting bracket drive mechanism 9 can be any of the existing telescopic cylinder, hydraulic cylinder, electric push rod 5, or servo motor-driven screw and nut mechanism, with its output end connected to the mounting bracket 1 by welding or screwing. In this way, the mounting bracket drive mechanism 9 can provide precise and controllable driving force to the mounting bracket 1, thereby achieving precise motion control of the mounting bracket 1.

[0050] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A clip spring pushing device characterized by comprising: The application relates to a clamp spring pushing device. The clamp spring pushing device comprises a mounting frame, a workpiece jig arranged on the mounting frame, at least two limiting grooves and guide grooves corresponding to the limiting grooves on the workpiece jig, the limiting grooves being used for placing clamp springs and workpieces and making the clamp slots of the clamp springs and the workpieces in the same plane, a pressing plate arranged above the workpiece jig, a pressing plate driving mechanism arranged on the mounting frame and in transmission connection with the pressing plate, the pressing plate driving mechanism being used for driving the pressing plate to move towards or away from the workpiece jig to press or release the workpieces on the workpiece jig, a push rod and a push rod driving mechanism, the number of the push rods being the same as that of the guide grooves and the push rods being arranged in one-to-one correspondence with the guide grooves, each push rod being arranged in sliding connection with the corresponding guide groove and being arranged in the same plane with the clamp slot of the workpiece, the push rod driving mechanism being arranged on the mounting frame and being in transmission connection with the push rod, the push rod driving mechanism being used for driving the push rod to slide towards or away from the workpiece jig to push the clamp spring into the clamp slot of the workpiece. One end of the push rod close to the limiting groove is provided with a contact groove for partially inserting the clamp spring, the shape and size of the contact groove being matched with the structure of the clamp spring. The workpiece jig comprises a placing plate, the top of the placing plate being provided with the limiting grooves and the guide grooves, one side of the limiting groove away from the guide groove being provided with a gradually expanding port, the diameter of the gradually expanding port gradually increasing from inside to outside along the extension direction of the guide groove, and the gradually expanding port being used for guiding the workpiece and the clamp spring in the limiting groove to be centered. The push rod driving mechanism is used for driving the push rod to reciprocally move between a first position and a second position.

2. The clip pushing device according to claim 1, wherein The clamp spring pushing device further comprises a position detection mechanism, the position detection mechanism comprising a first induction sheet, a first inductor, a second induction sheet and a second inductor, the first induction sheet and the second induction sheet being arranged on the output end of the push rod driving mechanism or the push rod, and the first inductor and the second inductor being arranged on the mounting frame.

3. The clip pushing device according to claim 2, wherein When the push rod is in the first position, the first inductor senses the first induction sheet; and when the push rod is in the second position, the second inductor senses the second induction sheet.

4. The clip pushing device according to any one of claims 1 to 3, characterized in that The clamp spring pushing device further comprises a position inductor arranged on the mounting frame and used for sensing the position of the push rod. The clamp spring pushing device further comprises a base frame and a mounting frame driving mechanism, the mounting frame being arranged in sliding connection with the base frame, the mounting frame driving mechanism being arranged on the base frame and being in transmission connection with the mounting frame, and the mounting frame driving mechanism being used for driving the mounting frame to slide relative to the base frame. ​ 5. The clip pushing device according to any one of claims 1 to 3, wherein ​ 6. The clip pushing device according to any one of claims 1 to 3, wherein ​

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