Pressure head mechanism for press fitting of snap spring
By designing an automated pressing head mechanism for snap rings, and utilizing components such as electric push rods and motors, automated pressing of snap rings is achieved, solving the problems of low efficiency and poor compatibility of manual pressing, and improving pressing efficiency and quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-03-24
AI Technical Summary
In the existing technology, the pressing of snap rings mainly relies on manual operation, which is inefficient, of poor quality and cannot be compatible with a variety of products.
A pressing head mechanism for pressing snap rings was designed. It utilizes components such as electric push rods, motors, and lead screws to achieve automated pressing of snap rings. Through the cooperation of the snap pin and the adjusting rod, it can adapt to the pressing requirements of snap rings of different sizes.
It improves the efficiency and quality of snap ring pressing, can adapt to the pressing of snap rings of different sizes, reduces manual operation, and improves work efficiency.
Smart Images

Figure CN224026931U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of the press -fitting of the clasp spring, and particularly relates to a press head mechanism of press -fitting clasp spring. BACKGROUND
[0002] The clasp spring is also called a retaining ring or a snap ring, and belongs to a kind of fastener, which is used in the shaft slot or hole slot of machine or equipment to prevent the axial movement of parts on the shaft or hole.
[0003] In the prior art, the press -fitting of the clasp spring is generally carried out manually, and manual installation of the clasp spring is inconvenient and low in working efficiency;The quality of manually assembled clasp spring is low and the damage rate is high;Only single clasp spring press -fitting can be carried out, and multiple products cannot be compatible. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of press head mechanism of press -fitting clasp spring, solve the press -fitting of the clasp spring in prior art generally adopts manual, and manual installation of the clasp spring is inconvenient and low in working efficiency;The quality of manually assembled clasp spring is low and the damage rate is high;Only single clasp spring press -fitting can be carried out, and multiple products cannot be compatible.
[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:
[0006] The utility model is a kind of press head mechanism of press -fitting clasp spring, including press -fitting table and press -fitting frame, the press -fitting table is fixedly connected with press -fitting frame, the upper surface of the press -fitting frame is fixedly connected with electric push rod, the output end of the electric push rod is fixedly connected with lifting plate, the bottom surface of the lifting plate is fixedly connected with press head rod, the bottom end of the press head rod is connected with several connecting rods, the bottom end of the connecting rod is fixedly connected with clamping needle, the top surface of the inner wall of the press head rod is fixedly connected with second motor, the output end of the second motor is fixedly connected with lead screw, the circumferential surface of the lead screw is installed with lifting block, the two side surfaces of the lifting block are fixedly connected with sliding block, one surface of the sliding block is connected with adjusting rod, one end of the adjusting rod is connected with connecting rod.
[0007] Preferably, the bottom surface of the press -fitting table is fixedly connected with mounting bracket and several supporting legs, one surface of the mounting bracket is fixedly connected with first motor, the output end of the first motor is fixedly connected with bidirectional screw rod, the circumferential surface of the bidirectional screw rod is installed with several moving blocks, the upper surface of the moving block is fixedly connected with limit block, the upper surface of the limit block is fixedly connected with fixed plate.
[0008] Preferably, the connecting rod is rotatably connected with the press head rod, and the sliding block and the connecting rod are hingedly connected with the adjusting rod.
[0009] Preferably, the two sides of the pressure head rod are provided with sliding grooves, and the sliding block is in sliding fit with the sliding grooves.
[0010] Preferably, the lead screw is in rotational connection with the pressure head rod, the lifting block is in screw fit with the lead screw, a plurality of guide rods are fixedly connected between the pressure mounting table and the pressure mounting frame, one end of the guide rod penetrates through the lifting plate, and the lifting plate is in sliding fit with the guide rod.
[0011] Preferably, the two-way screw is in rotational connection with the mounting frame, and the moving block is in screw fit with the two-way screw.
[0012] Preferably, the upper surface of the pressure mounting table is provided with a plurality of limiting grooves, and the limiting block is in sliding fit with the limiting groove.
[0013] The utility model has the following beneficial effects:
[0014] 1, the utility model discloses a set up card needle and adjusting lever, the both ends of the clamp spring are provided with the slot, insert the card needle into the slot, the second motor drives the lead screw to rotate, and the lifting block moves up and down, and then drives the sliding block to move, and the sliding block drives the connecting rod to expand or contract through the adjusting lever, and then drives the card needle to move, can adjust the pressure mounting according to the size of the clamp spring, then the electric push rod moves down lifting plate, and then the second motor drives the lead screw to rotate counterclockwise, and the lifting block moves up, and the card needle on both sides is rotated to each other through the adjusting lever, so that the clamp spring contracts, and then the electric push rod drives the card needle to move up, and the card needle is extracted from the slot, and the clamp spring resets under the action of the elastic force of itself, and is clamped on the circumferential surface of the part shaft, so manual pressure mounting of the clamp spring is not needed, the pressure mounting efficiency of the clamp spring is improved, and the pressure mounting of the clamp spring of different sizes can be adjusted.
[0015] 2, the utility model discloses a set up two -way screw, moving block and fixed plate, and the part that needs to be pressure mounted is placed on the upper surface of the pressure mounting table, so that the position of the part shaft corresponds to the position of the clamp spring, the first motor drives the two -way screw to rotate clockwise, and the two moving blocks move towards each other, and the two fixed plates are driven to fix the part from both sides through the limiting block, so that the fixing of the part of different sizes can be adapted.
[0016] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS
[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.
[0018] Figure 1 is a schematic diagram of a three-dimensional structure of the utility model;
[0019] Figure 2 is a schematic diagram of a front view structure of the utility model;
[0020] Figure 3 is a schematic diagram of a sectional structure of the utility model;
[0021] Figure 4 is Figure 3 is a schematic diagram of a local enlarged structure at A in the middle.
[0022] In the drawings, the components represented by each reference numeral are listed as follows: 1, press mounting table; 2, press mounting frame; 3, electric push rod; 4, lifting plate; 5, guide rod; 6, mounting frame; 7, first motor; 8, limit groove; 9, fixed plate; 10, sliding groove; 11, supporting leg; 12, press head rod; 13, connecting rod; 14, clamping pin; 15, adjusting rod; 16, bidirectional screw rod; 17, moving block; 18, limit block; 19, second motor; 20, lead screw; 21, lifting block; 22, sliding block. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0024] In the description of the utility model, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0025] Please refer to Figures 1-4As shown, the utility model is a kind of pressure head mechanism of press spring, including press mounting table 1 and press mounting frame 2, press mounting table 1 is fixedly connected with press mounting frame 2, the upper surface of press mounting frame 2 is fixedly connected with electric push rod 3, the output of electric push rod 3 is fixedly connected with lifting plate 4, the bottom surface of lifting plate 4 is fixedly connected with pressure head stem 12, the bottom end of pressure head stem 12 is connected with several connecting rods 13, the bottom end of connecting rod 13 is fixedly connected with card needle 14, the top surface of the inner wall of pressure head stem 12 is fixedly connected with second motor 19, the output of second motor 19 is fixedly connected with lead screw 20, the circumferential surface of lead screw 20 is installed with lifting block 21, the two side surfaces of lifting block 21 are both fixedly connected with sliding block 22, one surface of sliding block 22 is connected with adjusting rod 15, one end of adjusting rod 15 is connected with connecting rod 13, by setting card needle 14 and adjusting rod 15, the both ends of press spring are provided with clamping groove, card needle 14 is inserted into clamping groove, second motor 19 drives lead screw 20 to rotate, lifting block 21 moves up and down, in turn drives sliding block 22 to move, sliding block 22 drives connecting rod 13 to expand or contract through adjusting rod 15, in turn drives card needle 14 to move, can adjust press mounting according to the size of press spring, then electric push rod 3 moves down and drives lifting plate 4, press spring is placed on the circumferential surface of part shaft, then second motor 19 drives lead screw 20 to rotate counterclockwise, lifting block 21 moves up, drives two card needles 14 to rotate towards each other through adjusting rod 15, so that press spring contracts, then electric push rod 3 drives card needle 14 to move up, card needle 14 is extracted from clamping groove, press spring resets under the action of its elasticity, clamps on the circumferential surface of part shaft, without manual press mounting press spring, improve the press mounting efficiency of press spring, and can adjust press mounting according to the size of press spring, adapt to the press mounting of press spring of different sizes.
[0026] The bottom surface of press mounting table 1 is fixedly connected with mounting frame 6 and several supporting legs 11, one surface of mounting frame 6 is fixedly connected with first motor 7, the output of first motor 7 is fixedly connected with bidirectional screw rod 16, the circumferential surface of bidirectional screw rod 16 is installed with several moving blocks 17, the upper surface of moving block 17 is fixedly connected with limit block 18, the upper surface of limit block 18 is fixedly connected with fixed plate 9, by setting bidirectional screw rod 16, moving block 17 and fixed plate 9, the part needing press mounting is placed on the upper surface of press mounting table 1, so that the position of part shaft corresponds with the position of press spring, first motor 7 drives bidirectional screw rod 16 to rotate clockwise, two moving blocks 17 move towards each other, two fixed plates 9 are driven to fix part from both sides through limit block 18, can adapt to the fixing of part of different sizes.
[0027] Connecting rod 13 is rotatably connected with pressure head stem 12, sliding block 22 and connecting rod 13 are hingedly connected with adjusting rod 15.
[0028] The two side surfaces of pressure head stem 12 are both provided with sliding groove 10, sliding block 22 is slidably connected with sliding groove 10.
[0029] The lead screw 20 is rotatably connected to the pressure head rod 12, the lifting block 21 is threadedly engaged with the lead screw 20, and several guide rods 5 are fixedly connected between the pressing table 1 and the pressing frame 2. One end of the guide rod 5 passes through the lifting plate 4, and the lifting plate 4 is slidably engaged with the guide rod 5.
[0030] The bidirectional screw 16 is rotatably connected to the mounting bracket 6, and the moving block 17 is threadedly engaged with the bidirectional screw 16.
[0031] The upper surface of the pressing table 1 is provided with several limiting grooves 8, and the limiting block 18 slides in conjunction with the limiting groove 8.
[0032] Example:
[0033] like Figures 1-4 As shown, the pressing head mechanism of this utility model for pressing a retaining spring is used as follows: When using this utility model, firstly, place the part to be pressed on the upper surface of the pressing table 1, so that the position of the part's axis corresponds to the position of the retaining spring. The first motor 7 drives the bidirectional screw 16 to rotate clockwise, and the two moving blocks 17 move towards each other. The limiting block 18 drives the two fixing plates 9 to fix the part from both sides. Both ends of the spring are provided with retaining grooves. Insert the retaining pin 14 into the retaining groove. The second motor 19 drives the lead screw 20 to rotate, and the lifting block 21 moves up and down, thereby driving the slider 22 to move. The slider 22 drives the connecting rod 13 to expand or contract through the adjusting rod 15. This causes the retaining pin 14 to move, allowing for adjustable pressing according to the size of the retaining spring. Then, the electric push rod 3 pushes the lifting plate 4 downwards, placing the retaining spring on the circumferential side of the part shaft. The second motor 19 then drives the lead screw 20 to rotate counterclockwise, causing the lifting block 21 to move upwards. The adjusting rod 15 drives the retaining pins 14 on both sides to rotate in opposite directions, causing the retaining spring to retract. Then, the electric push rod 3 drives the retaining pin 14 upwards, pulling it out of the retaining slot. The retaining spring resets under its own elastic force and is secured on the circumferential side of the part shaft. This eliminates the need for manual pressing of the retaining spring, improving pressing efficiency and allowing for adjustable pressing according to the size of the retaining spring, making it suitable for pressing retaining springs of different sizes.
[0034] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0035] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.
Claims
1. A pressing head mechanism for pressing a retaining ring, comprising a pressing table (1) and a pressing frame (2), characterized in that, The pressing table (1) is fixedly connected to the pressing frame (2). An electric push rod (3) is fixedly connected to the upper surface of the pressing frame (2). A lifting plate (4) is fixedly connected to the output end of the electric push rod (3). A pressing head rod (12) is fixedly connected to the bottom surface of the lifting plate (4). Several connecting rods (13) are connected to the bottom end of the pressing head rod (12). A jack (14) is fixedly connected to the bottom end of the connecting rod (13). A second motor (19) is fixedly connected to the top surface of the inner wall of the pressing head rod (12). A lead screw (20) is fixedly connected to the output end of the second motor (19). A lifting block (21) is installed on the periphery of the lead screw (20). A slider (22) is fixedly connected to both sides of the lifting block (21). An adjusting rod (15) is connected to one surface of the slider (22). One end of the adjusting rod (15) is connected to the connecting rod (13).
2. The pressing head mechanism for pressing a retaining ring according to claim 1, characterized in that, The bottom surface of the pressing table (1) is fixedly connected to a mounting frame (6) and several legs (11). A first motor (7) is fixedly connected to one surface of the mounting frame (6). A bidirectional screw (16) is fixedly connected to the output end of the first motor (7). Several moving blocks (17) are installed on the periphery of the bidirectional screw (16). A limit block (18) is fixedly connected to the upper surface of the moving block (17). A fixing plate (9) is fixedly connected to the upper surface of the limit block (18).
3. The pressing head mechanism for pressing a retaining ring according to claim 1, characterized in that, The connecting rod (13) is rotatably connected to the pressure head rod (12), and both the slider (22) and the connecting rod (13) are hinged to the adjusting rod (15).
4. The pressing head mechanism for pressing a retaining ring according to claim 1, characterized in that, The pressure head rod (12) has grooves (10) on both sides, and the slider (22) slides in cooperation with the grooves (10).
5. The pressing head mechanism for pressing a retaining ring according to claim 1, characterized in that, The lead screw (20) is rotatably connected to the pressure head rod (12), the lifting block (21) is threadedly engaged with the lead screw (20), and a number of guide rods (5) are fixedly connected between the pressing table (1) and the pressing frame (2). One end of the guide rod (5) passes through the lifting plate (4), and the lifting plate (4) and the guide rod (5) are slidably engaged.
6. The pressing head mechanism for pressing a retaining ring according to claim 2, characterized in that, The bidirectional screw (16) is rotatably connected to the mounting bracket (6), and the moving block (17) is threadedly engaged with the bidirectional screw (16).
7. The pressing head mechanism for pressing a retaining ring according to claim 2, characterized in that, The upper surface of the pressing table (1) is provided with several limiting grooves (8), and the limiting block (18) slides in cooperation with the limiting grooves (8).