Ring gasket press-fitting and detecting device
By designing a liner pressing and testing device, the problems of oblique pressing and debris in liner pressing were solved, realizing the stability of pressing and real-time monitoring of testing, ensuring that each pressing is in place.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- KERUI AUTOMATION TECH SUZHOU
- Filing Date
- 2025-08-12
- Publication Date
- 2026-07-07
AI Technical Summary
In the existing technology, the pressing of the bushing and the injection molded part has the risks of oblique pressing and unstable pressing force, and there is a lack of effective detection methods, resulting in a lot of debris and waste and making it impossible to ensure that the pressing is in place every time.
A bushing pressing and testing device was designed, including an upper fixed plate, a press movable plate, a pressing connecting plate, a fixture connecting plate, and a lower fixed plate. It is connected by support columns and corner seats, equipped with sensors and cylinder drives to realize the compression and real-time monitoring of the bushing, ensuring that the pressing is in place.
By ensuring that the diameter of the compression ring matches the bore diameter, issues such as oblique pressure and debris are avoided. The press has built-in sensors that monitor the pressing status in real time, ensuring the accuracy and stability of the pressing process.
Smart Images

Figure CN224464088U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of processing bushings on injection molded parts, and in particular to a bushing pressing and testing device. Background Technology
[0002] For press fitting of bushings and injection molded parts, the existing technology generally uses interference fit for direct press fitting. This has the risks of oblique pressing, excessive and unstable pressing force, and generates a lot of debris and waste. This press fitting method lacks effective detection methods and cannot guarantee that the press fitting can be completed in place every time.
[0003] In view of the above-mentioned shortcomings, the designer has actively researched and innovated in order to create a bushing pressing and testing device, which will have greater industrial application value. Utility Model Content
[0004] To solve the above-mentioned technical problems, the purpose of this utility model is to provide a device for pressing and testing a liner ring.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] The ring pressing and testing device includes, from top to bottom, an upper fixed plate, a press movable plate, a pressing connecting plate, a fixture connecting plate, and a lower fixed plate. The upper fixed plate and the lower fixed plate are connected together by several support columns and a first corner seat. The press mounted on the upper fixed plate drives the press movable plate to move up and down. A pressing quick-change plate is installed at the bottom of the press movable plate, and several cylindrical pressing blocks are installed at the bottom of the pressing quick-change plate.
[0007] A quick-change plate for the bushing is installed on the press-fit connecting plate, and a bushing placement plate is installed on the quick-change plate for the bushing. The first cylinder installed on the lower fixed plate drives the press-fit connecting plate to move up and down through the cylinder connecting block.
[0008] A quick-change jig plate is installed on the jig connecting plate, and a lower housing placement jig is installed on the quick-change jig plate. The lower housing placement jig is located below the bushing placement plate. A rodless cylinder installed on the lower fixed plate drives the jig connecting plate to move back and forth.
[0009] As a further improvement of this utility model, the output end at the bottom of the press is connected to the press mounting connecting block on the press movable plate through the press connecting block. The press movable plate is connected to the first guide rod connecting plate located above the upper fixed plate through a number of first guide rods, and the first guide rods are mounted on the upper fixed plate through the first linear bearing.
[0010] As a further improvement of this utility model, two second guide rods are installed on both the left and right sides of the press-fit connecting plate via second linear bearings. The tops of the two second guide rods are connected together via a second guide rod connecting plate, and the bottoms of the second guide rods are installed on the lower fixing plate via second corner seats.
[0011] As a further improvement of this utility model, a proximity sensor is installed on one side of the press-fit connecting plate via a sensor connecting block, and a sensor sensing block is installed on the press-fit connecting plate on the side of the proximity sensor; a photoelectric sensor is installed on one side of the lower fixed plate via a sensor connecting sheet metal; and an image sensor is installed on one side of the lower fixed plate via a second connecting rod and a first connecting rod.
[0012] As a further improvement of this utility model, the bottom of the fixture connecting plate moves along the front-back direction on the lower fixed plate via the guide rail slider assembly.
[0013] As a further improvement of this utility model, the press movable plate is connected to the first side of the first drag chain, and the second side of the first drag chain is installed on the first profile; the press connecting plate is connected to the first side of the second drag chain, and the second side of the second drag chain is installed on the second profile.
[0014] As a further improvement of this utility model, a guide block is installed on at least one side of the jig connecting plate in the left-right direction, and a second cylinder is installed on the lower fixing plate outside the guide block via a cylinder mounting seat. The second cylinder drives the inner guide post to move in the left-right direction, and the guide post is adapted to the inner guide block.
[0015] As a further improvement of this utility model, an oil-free bushing is installed on the cylinder mounting seat to guide the guide column in the left and right directions.
[0016] As a further improvement of this utility model, a buffer connecting block is installed on the lower fixing plate on one side below the press-fit connecting plate, and a first limiting structure for limiting the press-fit connecting plate during its up-and-down movement is installed on the buffer connecting block; a buffer connecting plate is installed on at least one lower fixing plate in the front-back direction of the fixture connecting plate, and a second limiting structure for limiting the fixture connecting plate during its front-back movement is installed on the buffer connecting plate.
[0017] By means of the above solution, this utility model has at least the following advantages:
[0018] This invention utilizes a liner placement plate to compress the liner before pressing it in, reducing its diameter to match the hole size. This avoids problems such as oblique pressing and debris after pressing in.
[0019] The press of this utility model is equipped with pressure and displacement sensors that can monitor the pressing status in real time and ensure effective pressing.
[0020] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the following are the preferred embodiments of this utility model and are described in detail with reference to the accompanying drawings. Attached Figure Description
[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0022] Figure 1 This is a schematic diagram of the structure of a bushing pressing and testing device according to the present invention;
[0023] Figure 2 yes Figure 1 A schematic diagram of the structure on the other side.
[0024] The meanings of the labels in the figures are as follows.
[0025] 1. Press; 2. First guide rod connecting plate; 3. First guide rod; 4. Upper fixed plate; 5. Press movable plate; 6. Support column; 7. Second guide rod connecting plate; 8. Second guide rod; 9. Liner ring placement plate; 10. Sensor connecting block; 11. Sensor sensing block; 12. Liner ring quick-change plate; 13. Press-fit connecting plate; 14. Quick tightener; 15. First angle seat; 16. Sensor connecting sheet metal; 17. Cylinder connecting block; 18. First cylinder; 19. Second angle seat; 20. Lower housing placement fixture; 21. Lower housing; 22. Guide rail slider assembly; 23. Fixture quick change. Plate 23, Fixture connecting plate 24, Rodless cylinder 25, First linear bearing 26, Press connecting block 27, Press connecting block 28, Press quick change plate 29, First drag chain 30, Second profile 31, Second drag chain 32, Second linear bearing 33, Second cylinder 34, Cylinder mounting seat 35, Oil-free bushing 36, Guide post 37, Guide block 38, First connecting rod 39, Cylindrical pressure block 40, Image sensor 41, Second connecting rod 42, Buffer connecting block 43, Buffer connecting plate 44, Lower fixing plate 45. Detailed Implementation
[0026] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.
[0027] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0028] The first embodiment of this utility model:
[0029] like Figures 1-2 As shown, the bushing pressing and testing device of this embodiment includes, from top to bottom, an upper fixed plate 4, a press movable plate 5, a pressing connecting plate 13, a fixture connecting plate 24 and a lower fixed plate 45. The upper fixed plate 4 and the lower fixed plate 45 are connected together by a number of support columns 6 and a first corner seat 15. The press 1 installed on the upper fixed plate 4 drives the press movable plate 5 to move up and down. A pressing quick-change plate 29 is installed at the bottom of the press movable plate 5, and a number of cylindrical pressing blocks 40 are installed at the bottom of the pressing quick-change plate 29.
[0030] A quick-change plate 12 for the bushing is installed on the press-fit connecting plate 13, and a bushing placement plate 9 is installed on the quick-change plate 12 for the bushing. The first cylinder 18 installed on the lower fixed plate 45 drives the press-fit connecting plate 13 to move up and down through the cylinder connecting block 17.
[0031] A quick-change jig plate 23 is installed on the jig connecting plate 24, and a lower housing placement jig 20 is installed on the quick-change jig plate 23. The lower housing placement jig 20 is located below the bushing placement plate 9. A rodless cylinder 25 installed on the lower fixed plate 45 drives the jig connecting plate 24 to move back and forth.
[0032] The output end at the bottom of the press 1 is connected to the press connecting block 28 on the press movable plate 5 via the press connecting block 27. The press movable plate 5 is connected to the first guide rod connecting plate 2 located above the upper fixed plate 4 via several first guide rods 3, and the first guide rods 3 are mounted on the upper fixed plate 4 via the first linear bearing 26.
[0033] Two second guide rods 8 are installed on the left and right sides of the press-fit connecting plate 13 via second linear bearings 33. The tops of the two second guide rods 8 are connected together via second guide rod connecting plate 7, and the bottoms of the second guide rods 8 are installed on the lower fixing plate 45 via second corner brackets 19.
[0034] A proximity sensor is installed on one side of the press-fit connecting plate 13 via a sensor connecting block 10, and a sensor sensing block 11 is installed on the press-fit connecting plate 13 on the side of the proximity sensor; a photoelectric sensor is installed on one side of the lower fixing plate 45 via a sensor connecting sheet metal 16; and an image sensor 41 is installed on one side of the lower fixing plate 45 via a second connecting rod 42 and a first connecting rod 39.
[0035] The bottom of the fixture connecting plate 24 moves along the front-back direction on the lower fixed plate 45 via the guide rail slider assembly 22.
[0036] The press movable plate 5 is connected to the first side of the first drag chain 30, and the second side of the first drag chain 30 is installed on the first profile; the press-fit connecting plate 13 is connected to the first side of the second drag chain 32, and the second side of the second drag chain 32 is installed on the second profile 31.
[0037] A guide block 38 is installed on at least one side of the jig connecting plate 24 in the left-right direction. A second cylinder 34 is installed on the lower fixing plate 45 outside the guide block 38 via a cylinder mounting seat 35. The second cylinder 34 drives the inner guide post 37 to move in the left-right direction. The guide post 37 is adapted to the inner guide block 38.
[0038] An oil-free bushing 36 is installed on the cylinder mounting base 35 to guide the guide post 37 in the left and right directions.
[0039] A buffer connecting block 43 is installed on the lower fixing plate 45 on one side below the press-fit connecting plate 13. A first limiting post for limiting the press-fit connecting plate 13 during its up-and-down movement is installed on the buffer connecting block 43. A buffer connecting plate 44 is installed on the lower fixing plate 45 on at least one side of the jig connecting plate 24 in the front-back direction. A second limiting post for limiting the jig connecting plate 24 during its front-back movement is installed on the buffer connecting plate 44.
[0040] The second embodiment of this utility model:
[0041] like Figures 1-2 As shown, the bushing pressing and testing device of this embodiment includes, from top to bottom, an upper fixed plate 4, a press movable plate 5, a pressing connecting plate 13, a fixture connecting plate 24, and a lower fixed plate 45.
[0042] The press 1 is connected to the upper fixed plate 4 through four threaded holes. Positioning is achieved by the outer diameter of the press 1. The first guide rod connecting plate 2 connects to four first guide rods 3 through four threaded holes, and the other end of the first guide rod 3 is connected to the press movable plate 5. The middle is guided by the first linear bearing 26. One end of the support column 6 is fixed to the upper fixed plate 4, and the other end is fixed to the lower fixed plate 45 through four threaded holes via the first angle seat 15. The press 1 is equipped with a pressure sensor and a displacement sensor.
[0043] One end of each of the four second guide rods 8 is connected to the second guide rod connecting plate 7 through a threaded hole, and the other end is fixed to the lower fixing plate 45 through the second angle seat 19 and four threaded holes. The middle is guided by the second linear bearing 33. The bushing placement plate 9 is fixed to the bushing quick-change plate 12 through four countersunk holes and two coaxial pin holes. Two proximity sensors are fixed on the sensor connecting block 10 and fixed to the press-fit connecting plate 13 through two countersunk holes. The sensor sensing block 11 is fixed to the bushing quick-change plate 12 through two countersunk holes. The bushing quick-change plate 12 is locked to the press-fit connecting plate 13 by two quick-change tighteners 14 and is positioned by two positioning pins.
[0044] Two photoelectric sensors are fixed to the two sensor connecting plates 16 respectively, and are secured to the lower fixing plate 45 by two screws. One end of the two cylinder connecting blocks 17 is fixed to the first cylinder 18, and the other end is fixed to the press-fit connecting plate 13 through two countersunk holes. The lower housing placement fixture 20 is secured to the fixture quick-change plate 23 by four countersunk holes, and the positioning is achieved by two coaxial pin holes. The lower housing (i.e., the product) 21 is placed inside the product placement fixture 20. For the two guide rail slider assemblies 22 (including sliders and slide rails), the two sliders are secured to the fixture connecting plate 24 by four threaded holes, while the two slide rails are secured to the lower fixing plate 45 by threads. The fixture quick-change plate 23 is secured to the fixture connecting plate 24 by two quick-change tighteners 14, and is positioned by two positioning pins.
[0045] One end of the rodless cylinder 25 is secured to the fixture connecting plate 24 via a connecting block, and the other end is locked to the lower fixed plate 45 via four countersunk holes. One end of the press connecting block 27 is locked to the press 1 via a countersunk hole, and the other end is secured by the press connecting block 28. The press quick-change plate 29 is locked to the press movable plate 5 by two quick-change tighteners 14 and is positioned by two locating pins.
[0046] One end of the first drag chain 30 is fixed to the side of the press movable plate 5 by sheet metal, and the other end is fixed to the first profile. One end of the second drag chain 32 is fixed to the press connecting plate 13, and the other end is fixed to the second profile 31 by sheet metal.
[0047] The second cylinder 34 is fixed to the cylinder mounting base 35 through two countersunk holes, while the cylinder mounting base 35 is locked to the lower fixing plate 45 through four countersunk holes and positioned by two coaxial pin holes. The oilless bushing 36 is locked to the cylinder mounting base 35 through four countersunk holes. The guide post 37 is clipped to the end of the second cylinder 34. The guide block 38 is fixed to the fixture connecting plate 24 with three countersunk holes and positioned by two coaxial pin holes. One end of the first connecting rod 39 is fixed to the second connecting rod 42 by a fixing clamp, and the other end is fixed to the image sensor 41 by a connecting block. The four cylindrical pressure blocks 40 are fixed to the press-fit quick-change plate 29 by screws.
[0048] The upper end of the buffer connecting block 43 is equipped with a buffer and a stop block (first limit structure), and the lower end is fixed to the lower fixed plate 45 by screws. The upper end of the buffer connecting plate 44 is fixed with a sensor connecting block, and the middle is equipped with two buffers and two stop blocks (second limit structure). The lower end is locked to the lower fixed plate 45 through three countersunk holes and is positioned by two positioning pins.
[0049] This invention utilizes a liner placement plate to compress the liner before pressing it in, reducing its diameter to match the hole size. This avoids problems such as oblique pressing and debris after pressing in.
[0050] The press of this utility model is equipped with pressure and displacement sensors that can monitor the pressing status in real time and ensure effective pressing.
[0051] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.
[0052] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0053] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.
Claims
1. A device for pressing and testing liner rings, characterized in that: From top to bottom, the components include an upper fixed plate (4), a press movable plate (5), a press connecting plate (13), a jig connecting plate (24), and a lower fixed plate (45). The upper fixed plate (4) and the lower fixed plate (45) are connected together by several support columns (6) and a first corner seat (15). The press (1) installed on the upper fixed plate (4) drives the press movable plate (5) to move up and down. A press quick-change plate (29) is installed at the bottom of the press movable plate (5), and several cylindrical pressure blocks (40) are installed at the bottom of the press quick-change plate (29). A quick-change plate (12) for bushing is installed on the press-fit connecting plate (13), and a bushing placement plate (9) for bushing is installed on the quick-change plate (12). The first cylinder (18) installed on the lower fixed plate (45) drives the press-fit connecting plate (13) to move up and down through the cylinder connecting block (17). A quick-change jig plate (23) is installed on the jig connecting plate (24), and a lower housing placement jig (20) is installed on the quick-change jig plate (23). The lower housing placement jig (20) is located below the liner placement plate (9). A rodless cylinder (25) installed on the lower fixed plate (45) drives the jig connecting plate (24) to move back and forth.
2. The bushing pressing and testing device as described in claim 1, characterized in that, The output end of the bottom of the press (1) is connected to the press mounting connection block (28) on the press movable plate (5) through the press connecting block (27). The press movable plate (5) is connected to the first guide rod connecting plate (2) located above the upper fixed plate (4) through a number of first guide rods (3). The first guide rods (3) are mounted on the upper fixed plate (4) through the first linear bearing (26).
3. The bushing pressing and testing device as described in claim 1, characterized in that, Two second guide rods (8) are installed on the left and right sides of the press-fit connecting plate (13) via second linear bearings (33). The tops of the two second guide rods (8) are connected together via a second guide rod connecting plate (7). The bottoms of the second guide rods (8) are installed on the lower fixing plate (45) via a second corner seat (19).
4. The bushing pressing and testing device as described in claim 1, characterized in that, A proximity sensor is installed on one side of the press-fit connecting plate (13) via a sensor connecting block (10), and a sensor sensing block (11) is installed on the press-fit connecting plate (13) on the side of the proximity sensor; a photoelectric sensor is installed on one side of the lower fixed plate (45) via a sensor connecting sheet metal (16); and an image sensor (41) is installed on one side of the lower fixed plate (45) via a second connecting rod (42) and a first connecting rod (39).
5. The bushing pressing and testing device as described in claim 1, characterized in that, The bottom of the fixture connecting plate (24) moves along the front-back direction on the lower fixed plate (45) via the guide rail slider assembly (22).
6. The bushing pressing and testing device as described in claim 1, characterized in that, The press movable plate (5) is connected to the first side of the first drag chain (30), and the second side of the first drag chain (30) is mounted on the first profile; the press-fit connecting plate (13) is connected to the first side of the second drag chain (32), and the second side of the second drag chain (32) is mounted on the second profile (31).
7. The bushing pressing and testing device as described in claim 1, characterized in that, A guide block (38) is installed on at least one side of the jig connecting plate (24) in the left-right direction. A second cylinder (34) is installed on the lower fixing plate (45) outside the guide block (38) via a cylinder mounting seat (35). The second cylinder (34) drives the inner guide post (37) to move in the left-right direction. The guide post (37) is adapted to the inner guide block (38).
8. The bushing pressing and testing device as described in claim 7, characterized in that, An oil-free bushing (36) is installed on the cylinder mounting base (35) to guide the guide post (37) in the left-right direction.
9. The bushing pressing and testing device as described in claim 1, characterized in that, A buffer connecting block (43) is installed on the lower fixing plate (45) on one side below the press-fit connecting plate (13). A first limiting structure for limiting the press-fit connecting plate (13) during its up-and-down movement is installed on the buffer connecting block (43). A buffer connecting plate (44) is installed on the lower fixing plate (45) on at least one side of the jig connecting plate (24) in the front-back direction. A second limiting structure for limiting the jig connecting plate (24) during its front-back movement is installed on the buffer connecting plate (44).