Self-positioning snap ring contraction buckling and pressing device

Abstract

A self-positioning snap ring contraction buckling and pressing device comprises an upper buckling and pressing base and a lower buckling and pressing base which vertically correspond up and down, an upper buckling and pressing plate base is arranged on one side of the upper buckling and pressing base, the lower end of the upper buckling and pressing plate base is connected with an upper buckling and pressing positioning base, and an upper positioning groove is formed in the lower end face of the upper buckling and pressing positioning base; an upper buckling and pressing plate which downwards penetrates through the upper buckling and pressing positioning seat is convexly arranged on the upper buckling and pressing plate base; a lower buckling plate base is arranged on one side of the lower buckling base, a lower buckling positioning seat is connected to the upper end of the lower buckling plate base, and a lower positioning groove is formed in the upper end face of the lower buckling positioning seat. According to the utility model, the upper buckling and positioning seat and the lower buckling and positioning seat are used for fixing and limiting the assembly assembled with the contraction snap ring, and the upper and lower ends of the snap ring are sunk into the upper positioning groove and the lower positioning groove. The utility model has the following advantages that the clamping ring can be quickly positioned, the manual visual positioning during the buckling and pressing is avoided, and the buckling and pressing accuracy and the product quality are effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clip shrinking and pressing, in particular to a self-positioning clip shrinking and pressing device. Background Art

[0002] When installing and connecting the rubber tube and the three-way joint, it is necessary to put a retaining ring on its outer wall and then press the retaining ring. In this operation, a fixing device is needed to fix the assembly of the retaining ring to make the connection more accurate. The retaining device used in the prior art is usually an eight-petal retaining claw structure, which needs to be positioned manually by visual means during the retaining, resulting in a high retaining defective rate. In order to solve the above problems, a self-positioning retaining ring shrinking retaining device is proposed in this application. Utility Model Content

[0003] The utility model provides a self-positioning clip shrinking and pressing device for the above problems.

[0004] The technical solution used by the utility model to solve the above problems is: a self-positioning clamping ring shrinking and pressing device, comprising an upper pressing base and a lower pressing base corresponding vertically up and down, the upper pressing base slides in the up and down direction under the guidance of the first guide component; an upper pressing plate base is provided on one side of the upper pressing base, the lower end of the upper pressing plate base is connected to the upper pressing positioning seat, the upper pressing positioning seat slides in the up and down direction under the guidance of the second guide component, and the lower end surface of the upper pressing positioning seat is provided with an upper positioning groove; an upper pressing plate is convexly provided on the upper pressing plate base and penetrates downwardly through the upper pressing positioning seat; when the upper pressing positioning seat moves downward away from the upper pressing plate base, the lower end of the upper pressing plate is located in the upper pressing positioning seat, and the upper pressing When the positioning seat approaches the upper buckling plate base upward, the lower end of the upper buckling plate extends out of the upper buckling positioning seat; a lower buckling plate base is provided on one side of the lower buckling base, and the upper end of the lower buckling plate base is connected to the lower buckling positioning seat, and the lower buckling positioning seat slides in the up and down directions under the guidance of the third guide assembly, and the upper end surface of the lower buckling positioning seat is provided with a lower positioning groove; a lower buckling plate is convexly provided on the lower buckling plate base and passes through the lower buckling positioning seat upward, and the lower buckling plate is coaxially arranged with the upper buckling plate, and when the lower buckling positioning seat moves away from the lower buckling plate base upward, the upper end of the lower buckling plate is located in the lower buckling positioning seat, and when the lower buckling positioning seat approaches the lower buckling plate base downward, the lower buckling plate extends out of the lower buckling positioning seat.

[0005] The utility model fixes and limits the assembly equipped with the shrinking clip by the upper buckling positioning seat and the lower buckling positioning seat. During the buckling operation, the operated assembly is placed between the upper buckling positioning seat and the lower buckling positioning seat, and the upper and lower ends of the shrinking clip of the operating assembly are sunk into the upper positioning groove and the lower positioning groove. The buckling position of the shrinking clip is located on the sliding line of the upper buckling plate and the lower buckling plate. After adopting the above structure, the utility model has the following advantages: the clip can be quickly positioned, avoiding manual visual positioning during buckling, and then buckling is performed by the upper buckling plate and the lower buckling plate, which effectively improves the accuracy of buckling and the quality of the product.

[0006] Preferably, a first reset mechanism is provided between the upper buckling base and the lower buckling base to keep the two away from each other; a second reset mechanism is provided between the upper buckling plate base and the upper buckling positioning seat to keep the upper buckling positioning seat away from the upper buckling plate base; a third reset mechanism is provided between the lower buckling plate base and the lower buckling positioning seat to keep the lower buckling positioning seat away from the lower buckling plate base. The upper buckling base is separated from the lower buckling base by a supporting spring, and the upper and lower buckling plates are reset by upper and lower buckling plate reset springs.

[0007] Preferably, the upper buckling plate through hole is provided on the upper buckling positioning seat, the upper buckling plate passes through the upper buckling plate through hole downward, and a buckling protrusion is provided at the lower end of the upper buckling plate; the lower buckling plate through hole is provided on the lower buckling positioning seat, the lower buckling plate passes through the lower buckling plate through hole upward, and a buckling recess is provided at the upper end of the lower buckling plate to cooperate with the buckling protrusion.

[0008] Preferably, the first guide assembly includes upper and lower mold guide rods, the first reset mechanism includes a support spring, and the upper and lower pressing bases are both provided with coaxially arranged first guide holes, the lower ends of the upper and lower mold guide rods are fixedly connected to the first guide holes of the lower pressing base, and the upper ends of the upper and lower mold guide rods are slidably connected to the first guide holes in the upper pressing base; the support spring is sleeved on the upper and lower mold guide rods, and the upper and lower ends of the support spring are respectively abutted against the upper and lower pressing bases.

[0009] Preferably, the second guide assembly structure includes an upper buckling and positioning seat guide rod, and the second reset mechanism includes an upper buckling plate reset spring. The upper buckling plate base and the upper buckling and positioning seat are both provided with coaxially arranged second guide holes, the upper end of the upper buckling and positioning seat guide rod is fixedly connected to the second guide hole of the upper buckling and positioning seat base, and the lower end of the upper buckling and positioning seat guide rod is slidably connected to the second guide hole of the upper buckling and positioning seat; the upper buckling plate reset spring is sleeved on the upper buckling and positioning seat guide rod, and the upper and lower ends of the upper buckling plate reset spring are respectively abutted against the upper buckling plate base and the upper buckling and positioning seat.

[0010] Preferably, the third guide assembly includes a lower buckling positioning seat guide rod, and the third reset mechanism includes a lower buckling plate reset spring. The lower buckling plate base and the lower buckling positioning seat are both provided with a coaxially arranged third guide hole, the lower end of the lower buckling positioning seat guide rod is fixedly connected to the third guide hole of the lower buckling positioning seat, and the upper end of the lower buckling positioning seat guide rod is slidably connected to the third guide hole of the lower buckling positioning seat; the lower buckling plate reset spring is sleeved on the lower buckling positioning seat guide rod, and the upper and lower ends of the lower buckling plate reset spring are respectively abutted against the lower buckling positioning seat and the lower buckling plate base.

[0011] As a preference, it also includes an upper buckling bottom plate, which is connected to the upper buckling plate base and the top of the upper buckling base. The self-positioning shrinking clamping device of the utility model is installed in a hydraulic press of more than 2T for use, and the upper buckling bottom plate is used to connect with the hydraulic press.

[0012] Preferably, a connecting hole is provided at the upper end of the upper buckling positioning seat, an avoidance hole is provided at the lower end of the connecting hole, a suspension rod is passed through the upper buckling plate base, a limit block is provided at the lower end of the suspension rod, the lower part of the suspension rod is passed through the connecting hole, and the limit block is located in the avoidance hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of a self-positioning clip shrinking and pressing device of the utility model;

[0014] Figure 2 It is a cross-sectional view of a self-positioning clip shrinking and pressing device of the utility model;

[0015] Figure 3 for Figure 2 Enlarged view of part A in the middle;

[0016] In the figure: 1, upper buckle bottom plate, 2, upper buckle plate base, 3, upper buckle positioning seat, 30, upper buckle plate through hole, 31, upper positioning groove, 32, connecting hole, 33, avoidance hole, 4, lower buckle positioning seat, 40, lower buckle plate through hole, 41, lower positioning groove, 5, lower buckle plate base, 6, upper buckle base, 7, support spring, 8, lower buckle base, 9, upper and lower mold guide bearings, 10, upper and lower mold guide rods, 11, upper buckle positioning seat guide rod, 12, upper buckle plate reset spring, 13, upper buckle guide bearing, 14, upper buckle plate, 141, buckle protrusion, 15, lower buckle plate, 151, buckle concave, 16, lower buckle guide bearing, 17, lower buckle plate reset spring, 18, lower buckle positioning seat guide rod, 19, suspension rod, 19, limit block. DETAILED DESCRIPTION

[0017] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0018] like Figure 1 , Figure 2 and Figure 3 As shown, the technical solutions in the embodiments of the present invention will be clearly and completely described below in combination with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0019] A self-positioning snap ring shrinking and crimping device includes an upper crimping base 6 and a lower crimping base 8 which correspond vertically to each other. The upper crimping base 6 slides in the upper and lower directions under the guidance of a first guide component. A first reset mechanism is provided between the upper crimping base 6 and the lower crimping base 8 to keep the two from moving away from each other.

[0020] The first guide assembly includes an upper and lower die guide rod 10, the first reset mechanism includes a support spring 7, and a first guide hole coaxially arranged in the upper pressing base 6 and the lower pressing base 8. The lower end of the upper and lower die guide rod 10 is fixedly connected to the first guide hole of the lower pressing base 8, and the upper end of the upper and lower die guide rod 10 is slidably connected to the first guide hole in the upper pressing base 6 through the upper and lower die guide bearings 9. The support spring 7 is sleeved on the upper and lower die guide rod 10, and the upper and lower ends of the support spring 7 are respectively abutted against the upper pressing base 6 and the lower pressing base 8.

[0021] An upper buckling plate base 2 is provided on one side of the upper buckling plate base 6, and an upper buckling positioning seat 3 is connected to the lower end of the upper buckling plate base 2. The upper buckling positioning seat 3 slides in the up-down direction under the guidance of the second guide assembly, and an upper positioning groove 31 is provided on the lower end surface of the upper buckling positioning seat 3. An upper buckling plate 14 is convexly provided on the upper buckling plate base 2 and penetrates the upper buckling positioning seat 3 downward; when the upper buckling positioning seat 3 moves downward away from the upper buckling plate base 2, the lower end of the upper buckling plate 14 is located in the upper buckling positioning seat 3, and when the upper buckling positioning seat 3 moves upward toward the upper buckling plate base 2, the lower end of the upper buckling plate 14 extends out of the upper buckling positioning seat 3; a second reset mechanism is provided between the upper buckling plate base 2 and the upper buckling positioning seat 3 to keep the upper buckling positioning seat 3 away from the upper buckling plate base 2.

[0022] The second guide assembly includes an upper buckling and positioning seat guide rod 11, and the second reset mechanism includes an upper buckling plate reset spring 12. The upper buckling plate base 2 and the upper buckling and positioning seat 3 are both provided with coaxially arranged second guide holes. The upper end of the upper buckling and positioning seat guide rod 11 is fixedly connected to the second guide hole of the upper buckling plate base 2, and the lower end of the upper buckling and positioning seat guide rod 11 is slidably connected to the second guide hole of the upper buckling and positioning seat 3 through an upper buckling guide bearing 13; the upper buckling plate reset spring 12 is sleeved on the upper buckling and positioning seat guide rod 11, and the upper and lower ends of the upper buckling plate reset spring 12 are respectively abutted against the upper buckling plate base 2 and the upper buckling and positioning seat 3.

[0023] A lower buckling plate base 5 is provided on one side of the lower buckling base 8, and a lower buckling positioning seat 4 is connected to the upper end of the lower buckling plate base 5. The lower buckling positioning seat 4 slides in the up-down direction under the guidance of the third guide assembly, and a lower positioning groove 41 is provided on the upper end surface of the lower buckling positioning seat 4. A lower buckling plate 15 is convexly provided on the lower buckling plate base 5 and penetrates the lower buckling positioning seat 4 upward. The lower buckling plate 15 is coaxially arranged with the upper buckling plate 14. When the lower buckling positioning seat 4 moves upward away from the lower buckling plate base 5, the upper end of the lower buckling plate 15 is located in the lower buckling positioning seat 4. When the lower buckling positioning seat 4 moves downward close to the lower buckling plate base 5, the lower buckling plate 15 extends out of the lower buckling positioning seat 4. A third reset mechanism is provided between the lower buckling plate base 5 and the lower buckling positioning seat 4 to keep the lower buckling positioning seat 4 away from the lower buckling plate base 5.

[0024] The third guide assembly includes a lower buckling and positioning seat guide rod 18, and the third reset mechanism includes a lower buckling plate reset spring 17. The lower buckling plate base 5 and the lower buckling and positioning seat 4 are both provided with a coaxially arranged third guide hole. The lower end of the lower buckling and positioning seat guide rod 18 is fixedly connected to the third guide hole of the lower buckling plate base 5, and the upper end of the lower buckling and positioning seat guide rod 18 is slidably connected to the third guide hole of the lower buckling and positioning seat 4 through the lower buckling guide bearing 16; the lower buckling plate reset spring 17 is sleeved on the lower buckling and positioning seat guide rod 18, and the upper and lower ends of the lower buckling plate reset spring 17 are respectively abutted against the lower buckling and positioning seat 4 and the lower buckling plate base 5.

[0025] An upper buckling plate through hole 30 is provided on the upper buckling positioning seat 3, and the upper buckling plate 14 passes through the upper buckling plate through hole 30 downward, and a buckling protrusion 141 is provided at the lower end of the upper buckling plate 14; a lower buckling plate through hole 40 is provided on the lower buckling positioning seat 4, and the lower buckling plate 15 passes through the lower buckling plate through hole 40 upward, and a buckling recess 151 cooperating with the buckling protrusion 141 is provided at the upper end of the lower buckling plate 15.

[0026] It also includes an upper buckling bottom plate 1, which is connected to the top of the upper buckling plate base 2 and the upper buckling base 6. The self-positioning shrinking clamping device of the utility model is installed in a hydraulic press of more than 2T for use, and the upper buckling bottom plate 1 is used to connect with the hydraulic press.

[0027] A connecting hole 32 is provided at the upper end of the upper buckling positioning seat 3, and an avoidance hole 33 is provided at the lower end of the connecting hole 32. A hanging rod 19 is passed through the upper buckling plate base 2, and a limit block 191 is provided at the lower end of the hanging rod 19. The lower part of the hanging rod 19 is passed through the connecting hole 32, and the limit block 191 is located in the avoidance hole 33.

[0028] When using the self-positioning shrinking snap ring crimping device, first install the self-positioning shrinking snap ring crimping device in a hydraulic press of 2T or more for use, and then put the assembly hose, quick-release connector and snap ring equipped with the shrinking snap ring into the lower crimping positioning seat 4. Start the press, the upper crimping base 6 and the lower crimping base 8 perform a closing action, driving the upper crimping positioning seat 3 and the lower crimping positioning seat 4 to move up and down respectively, and the upper crimping positioning seat 3 and the lower crimping positioning seat 4 stop moving after hitting the hose, and the upper positioning groove and the lower positioning groove 41 of the upper crimping positioning seat 3 and the lower crimping positioning seat 4 can be used to fix the shrinking snap ring assembly, and the upper positioning groove 31 and the lower positioning groove 41 are both arc-shaped grooves, and such a fixed surface structure can prevent indentations on the joint or the snap ring. While the upper buckling plate base 2 and the lower buckling plate base 3 continue to move, the upper buckling plate 14 and the lower buckling plate 15 extend out of the upper buckling plate through hole 30 and the lower buckling plate through hole 40 respectively, and close together. At this time, the upper buckling plate 14 and the lower buckling plate 15 buckle the shrinking clamp ring. Finally, the press machine releases pressure, and the device separates the upper buckling base 6 and the lower buckling base 8 by the elastic force of the support spring 7. The upper buckling positioning seat 3 and the lower buckling positioning seat 4 are reset by the upper buckling plate reset spring 12 and the lower buckling plate reset spring 17 respectively.

[0029] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

Claims

1. A self-positioning snap ring shrinking and pressing device, characterized in that: It comprises an upper pressing base (6) and a lower pressing base (8) which correspond vertically to each other, and the upper pressing base (6) slides in the up and down direction under the guidance of the first guide assembly; An upper pressing plate base (2) is provided on one side of the upper pressing plate base (6), and an upper pressing positioning seat (3) is connected to the lower end of the upper pressing plate base (2). The upper pressing positioning seat (3) slides in the up-down direction under the guidance of the second guide assembly, and an upper positioning groove (31) is provided on the lower end surface of the upper pressing positioning seat (3); an upper pressing plate (14) is convexly provided on the upper pressing plate base (2) and penetrates downwardly through the upper pressing positioning seat (3); when the upper pressing positioning seat (3) moves downward away from the upper pressing plate base (2), the lower end of the upper pressing plate (14) is located in the upper pressing positioning seat (3); when the upper pressing positioning seat (3) moves upward close to the upper pressing plate base (2), the lower end of the upper pressing plate (14) extends out of the upper pressing positioning seat (3); A lower buckling plate base (5) is provided on one side of the lower buckling base (8), and a lower buckling positioning seat (4) is connected to the upper end of the lower buckling plate base (5). The lower buckling positioning seat (4) slides in the up-down direction under the guidance of the third guide assembly, and a lower positioning groove (41) is provided on the upper end surface of the lower buckling positioning seat (4); a lower buckling plate (15) is convexly provided on the lower buckling plate base (5) and penetrates upward through the lower buckling positioning seat (4), and the lower buckling plate (15) is coaxially arranged with the upper buckling plate (14). When the lower buckling positioning seat (4) moves upward away from the lower buckling plate base (5), the upper end of the lower buckling plate (15) is located in the lower buckling positioning seat (4); when the lower buckling positioning seat (4) moves downward close to the lower buckling plate base (5), the lower buckling plate (15) extends out of the lower buckling positioning seat (4).

2. A self-positioning snap ring shrinking and pressing device according to claim 1, characterized in that: A first reset mechanism is provided between the upper buckling base (6) and the lower buckling base (8) to keep the two away from each other; a second reset mechanism is provided between the upper buckling plate base (2) and the upper buckling positioning seat (3) to keep the upper buckling positioning seat (3) away from the upper buckling plate base (2); and a third reset mechanism is provided between the lower buckling plate base (5) and the lower buckling positioning seat (4) to keep the lower buckling positioning seat (4) away from the lower buckling plate base (5).

3. The self-positioning snap ring shrinking and pressing device according to claim 1, characterized in that: The upper buckling and positioning seat (3) is provided with an upper buckling plate through hole (30), the upper buckling plate (14) passes through the upper buckling plate through hole (30) downward, and the lower end of the upper buckling plate (14) is provided with a buckling protrusion (141); the lower buckling and positioning seat (4) is provided with a lower buckling plate through hole (40), the lower buckling plate (15) passes through the lower buckling plate through hole (40) upward, and the upper end of the lower buckling plate (15) is provided with a buckling recess (151) that cooperates with the buckling protrusion (141).

4. A self-positioning snap ring shrinking and pressing device according to claim 2, characterized in that: The first guide assembly includes an upper and lower mold guide rod (10), and the first reset mechanism includes a support spring (7). The upper pressing base (6) and the lower pressing base (8) are both provided with coaxially arranged first guide holes. The lower ends of the upper and lower mold guide rods (10) are fixedly connected to the first guide hole of the lower pressing base (8), and the upper ends of the upper and lower mold guide rods (10) are slidably connected to the first guide hole in the upper pressing base (6); the support spring (7) is sleeved on the upper and lower mold guide rods (10), and the upper and lower ends of the support spring (7) are respectively abutted against the upper pressing base (6) and the lower pressing base (8).

5. The self-positioning snap ring shrinking and pressing device according to claim 2, characterized in that: The second guide assembly comprises an upper buckling and positioning seat guide rod (11), and the second reset mechanism comprises an upper buckling plate reset spring (12). The upper buckling plate base (2) and the upper buckling and positioning seat (3) are both provided with coaxially arranged second guide holes. The upper end of the upper buckling and positioning seat guide rod (11) is fixedly connected to the second guide hole of the upper buckling and positioning seat (2), and the lower end of the upper buckling and positioning seat guide rod (11) is slidably connected to the second guide hole of the upper buckling and positioning seat (3); the upper buckling and positioning seat reset spring (12) is sleeved on the upper buckling and positioning seat guide rod (11), and the upper and lower ends of the upper buckling and positioning plate reset spring (12) are respectively abutted against the upper buckling and positioning seat (2) and the upper buckling and positioning seat (3).

6. A self-positioning snap ring shrinking and pressing device according to claim 2, characterized in that: The third guide assembly comprises a lower buckling and positioning seat guide rod (18), and the third reset mechanism comprises a lower buckling plate reset spring (17). The lower buckling plate base (5) and the lower buckling and positioning seat (4) are both provided with coaxially arranged third guide holes. The lower end of the lower buckling and positioning seat guide rod (18) is fixedly connected to the third guide hole of the lower buckling and positioning seat (5), and the upper end of the lower buckling and positioning seat guide rod (18) is slidably connected to the third guide hole of the lower buckling and positioning seat (4); the lower buckling and positioning seat reset spring (17) is sleeved on the lower buckling and positioning seat guide rod (18), and the upper and lower ends of the lower buckling and positioning plate reset spring (17) are respectively abutted against the lower buckling and positioning seat (4) and the lower buckling and positioning plate base (5).

7. The self-positioning snap ring shrinking and pressing device according to claim 1, characterized in that: It also comprises an upper buckling bottom plate (1), wherein the upper buckling bottom plate (1) is connected to the upper buckling plate base (2) and the top of the upper buckling base (6).

8. The self-positioning snap ring shrinking and pressing device according to claim 5, characterized in that: The upper end of the upper buckling and pressing positioning seat (3) is provided with a connecting hole (32), the lower end of the connecting hole (32) is provided with an avoiding hole (33), the upper buckling and pressing plate base (2) is penetrated by a suspension rod (19), the lower end of the suspension rod (19) is provided with a limiting block (191), the lower part of the suspension rod (19) is penetrated in the connecting hole (32), and the limiting block (191) is located in the avoiding hole (33).

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