Small-diameter deep hole sealing ring filling device

Abstract

The invention discloses a small-diameter deep hole sealing ring filling device. According to the technical scheme, the small-diameter deep hole sealing ring filling device is characterized by comprising a positioning mechanism; the taper sleeve is arranged above the positioning mechanism and can move up and down to be close to and away from the workpiece, the inner diameter of the taper sleeve is gradually reduced from top to bottom, and the minimum inner diameter of the taper sleeve is smaller than the hole diameter of a mounting hole in the workpiece; and a mounting mechanism; the mounting mechanism comprises two first clamping jaws, the two first clamping jaws are vertically arranged, the two first clamping jaws tightly support and loosen the sealing ring from the interior of the sealing ring by moving close to each other and away from each other, and the two first clamping jaws can move up and down to drive the sealing ring to penetrate through the taper sleeve to enter the mounting hole; through the arrangement of the taper sleeve, the two first clamping jaws only need to drive the sealing ring to move downwards, the sealing ring is tightly supported by the two first clamping jaws from the interior of the sealing ring, the requirement for strength is lowered, and therefore the percent of pass of sealing ring installation is increased.

Description

Technical Field

[0001] The invention relates to the technical field of sealing ring installation, and more specifically, to a small-diameter deep-hole sealing ring filling device. Background Art

[0002] The installation equipment for sealing rings in holes is widely used in the field of automated assembly. For example, some hydraulic valve bodies, gas-liquid connection joints, and automobile brake system cylinders are used. The existing sealing ring installation equipment is designed for working conditions with large inner diameters of installation holes and shallow installation depths. The solution is to use a tooling fixture to shape the sealing ring into a fixture with a diameter smaller than the hole diameter. The sealing ring is then placed in the installation position of the sealing ring in the hole together with the shaping fixture. The fixture then pulls the sealing ring back or uses compressed air to blow out the sealing ring to complete the installation.

[0003] For installation conditions where the inner diameter of the mounting hole is small and the depth is deep, the fixture design needs to be higher due to the depth, while the diameter of the hole requires the fixture diameter to be smaller as well. This makes it impossible to ensure the overall strength of the fixture, and the sealing ring after installation often has a low pass rate. Summary of the invention

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a small-diameter deep-hole sealing ring filling device, which, through the setting of a cone sleeve, makes it possible for the two first clamping jaws to only drive the sealing ring to move downward, and the two first clamping jaws tighten the sealing ring from the inside of the sealing ring, thereby reducing the strength requirement and improving the qualified rate of the sealing ring installation.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a small-diameter deep-hole sealing ring filling device, comprising a positioning mechanism, the positioning mechanism is used to position and support a workpiece of the sealing ring to be installed; A cone sleeve, which is arranged above the positioning mechanism and can move up and down to approach and move away from the workpiece, the inner diameter of the cone sleeve gradually decreases from top to bottom and the minimum inner diameter of the cone sleeve is smaller than the aperture of the mounting hole on the workpiece; and a mounting mechanism, wherein the mounting mechanism is used to push the sealing ring to move downward so as to pass through the cone sleeve and then enter into the mounting hole of the workpiece; The installation mechanism includes a first clamping jaw, two of which are vertically arranged. The two first clamping jaws can tighten and relax the sealing ring from the inside of the sealing ring by moving closer to and away from each other. The two first clamping jaws can move up and down to drive the sealing ring through the cone sleeve and into the installation hole.

[0006] The present invention is further configured such that: a clamping groove is provided near the bottom of the two first clamping jaws on one side facing away from each other, and when the sealing ring is tightened by the two first clamping jaws, the sealing ring is clamped into the two clamping grooves of the two first clamping jaws.

[0007] The present invention is further configured as follows: the mounting mechanism further comprises a blocking piece, the blocking piece can enter into the mounting hole and prevent the sealing ring from being separated from the mounting hole from the bottom of the mounting hole; The mounting mechanism also includes a second clamping jaw, which is provided with two second clamping jaws, the two first clamping jaws and the two second clamping jaws are arranged alternately around the vertical axis, the position for installing the sealing ring in the mounting hole is an annular groove, and the two second clamping jaws can move up and down, so that when the sealing ring reaches the groove position in the mounting hole, the two second clamping jaws move downward to push the sealing ring to expand outward and embed into the groove.

[0008] The present invention is further configured as follows: the positioning mechanism comprises a bottom plate, and the bottom plate is arranged horizontally; A tooling seat is fixedly connected to the top of the base plate. A positioning hole is provided on the top of the tooling seat for positioning the workpiece. The workpiece is inserted into the positioning hole and fixed on the tooling seat by a positioning pin.

[0009] The present invention is further configured as follows: the positioning mechanism further comprises a table, and the table is arranged horizontally; A conveying line, wherein the conveying line is arranged on the top of the table, and the bottom plate is conveyed in a horizontal direction on the conveying line; And a lifting assembly, which is arranged below the cone sleeve and is used to lift the bottom plate on the conveying line that moves to the top of the lifting assembly so that the bottom plate is separated from the conveying line.

[0010] The present invention is further configured as follows: a through-beam sensor assembly is provided on both sides of the conveying line, and the through-beam sensor assembly is used to detect whether there is a workpiece on the tooling seat above the lifting assembly.

[0011] The present invention is further configured as follows: the mounting mechanism further comprises a mounting frame, and the mounting frame is fixedly connected to the top of the table; A disc, the disc is arranged on a mounting frame and can move up and down on the mounting frame, and two first clamping jaws and two second clamping jaws are arranged at the bottom of the disc; A lifting plate, which is arranged above the disc and can slide up and down; And a connecting rod, the connecting rod is fixedly connected to the bottom of the lifting plate and passes vertically downward between the two first clamping jaws and between the two second clamping jaws, and the blocking sheet is fixedly connected to the bottom of the connecting rod.

[0012] The present invention is further configured as follows: the mounting mechanism also includes a transverse plate, which is arranged on the mounting frame and can slide on the mounting frame in a horizontal direction, the disc and the lifting plate are arranged on the transverse plate, and the transverse plate drives the two first clamping jaws at the bottom of the disc to move between the workpiece and the sealing ring storage position.

[0013] The present invention is further configured as follows: a first stop member located below the lifting plate is provided on the transverse plate, and when the bottom of the lifting plate contacts the top of the first stop member, the stopper at the bottom of the connecting rod is inserted into the mounting hole of the workpiece and is located at the bottom of the slot in the mounting hole.

[0014] The present invention is further configured as follows: a second stop member located at the bottom of the disc is provided on the transverse moving plate; when the disc moves downward and contacts the top of the second stop member, the two first clamps drive the sealing ring tightened by the two first clamps to be inserted into the mounting hole and the sealing ring is aligned with the notch in the mounting hole.

[0015] In summary, compared with the prior art, the present invention has the following beneficial effects: through the setting of the cone sleeve, the two first clamping jaws only need to drive the sealing ring to move downward, and the two first clamping jaws support the sealing ring from the inside of the sealing ring, which reduces the strength requirement and thus improves the qualified rate of the sealing ring installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of an embodiment; Figure 2 for Figure 1 A magnified schematic diagram of part A; Figure 3 for Figure 1 An enlarged schematic diagram of part B; Figure 4 A cross-sectional view of a base plate and a tooling seat of an embodiment; Figure 5 is a schematic diagram of a lifting assembly of an embodiment; Figure 6 is a schematic diagram of a connecting rod embodying an embodiment; Figure 7 A schematic diagram of a first stop member and a second stop member is shown in an embodiment; Figure 8 The schematic diagram of the vertical plate of the embodiment is shown in FIG.

[0017] In the figure: 1. positioning mechanism; 11. table; 12. conveyor line; 13. bottom plate; 14. tooling seat; 141. positioning hole; 15. base plate; 151. linear bearing; 16. lifting plate; 161. optical axis; 17. through-beam sensor assembly; 2. mounting mechanism; 21. mounting frame; 22. transverse plate; 221. first stop member; 222. second stop member; 23. disc; 231. first clamping jaw; 2311. slot; 232. second clamping jaw; 24. connecting rod; 241. baffle; 3. cone sleeve; 31. vertical plate; 32. extension rod; 33. third stop member. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is clearly and completely described below in conjunction with the accompanying drawings of the present invention. Based on the embodiments in this application, other similar embodiments obtained by ordinary technicians in this field without making creative work should all fall within the scope of protection of this application. In addition, the directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional words used are used to illustrate rather than limit the invention.

[0019] The present invention will be further described below in conjunction with the accompanying drawings and preferred embodiments.

[0020] Embodiment: A small diameter deep hole sealing ring filling device, see attached Figure 1 -Attached Figure 8 , including a positioning mechanism 1, a cone sleeve 3 and an installation mechanism 2, the positioning mechanism 1 is used to position and support the workpiece on which the sealing ring is to be installed; the cone sleeve 3 is arranged above the positioning mechanism 1 and can move up and down to approach and move away from the workpiece, the inner diameter of the cone sleeve 3 gradually decreases from top to bottom and the minimum inner diameter of the cone sleeve 3 is smaller than the aperture of the installation hole on the workpiece; the installation mechanism 2 is used to push the sealing ring to move downward to pass through the cone sleeve 3 and then enter the installation hole of the workpiece; the installation mechanism 2 includes a first clamping jaw 231, the first clamping jaw 231 is provided with two, the two first clamping jaws 231 are vertically arranged, the two first clamping jaws 231 realize the tightening and loosening of the sealing ring from the inside of the sealing ring by moving closer to and away from each other, and the two first clamping jaws 231 can move up and down to drive the sealing ring to pass through the cone sleeve 3 and enter the installation hole.

[0021] When installing the sealing ring, first insert the two first clamping jaws 231 into the sealing ring, then move the two first clamping jaws 231 in opposite directions to tighten the two first clamping jaws 231 on the inner side of the sealing ring, and then the sealing ring is grasped. Then the cone sleeve 3 is moved to the top of the workpiece, and then the sealing ring is driven to pass through the cone sleeve 3 by the two first clamping jaws 231. In the process of passing through the cone sleeve 3, the inner diameter of the cone sleeve 3 gradually decreases from top to bottom, so that the outer diameter of the sealing ring gradually decreases. When the sealing ring passes through the cone sleeve 3, the diameter of the sealing ring is smaller than the diameter of the installation hole on the workpiece, so that the sealing ring can smoothly enter the installation hole and reach the installation position, and the installation of the sealing ring is realized. Since in this embodiment, the first clamping jaw 231 only needs to tighten the sealing ring and drive the sealing ring to move, and there is no need to reduce the diameter of the sealing ring, thereby reducing the strength requirements of the first clamping jaw 231, and thus the existing technology can easily meet the strength requirements of the first clamping jaw 231, thereby improving the installation qualification rate of the sealing ring.

[0022] Specifically, a clamping groove 2311 is provided near the bottom of the two first clamping jaws 231 on the side facing away from each other. When the sealing ring is tightened by the two first clamping jaws 231, the sealing ring is clamped into the two clamping grooves 2311 of the two first clamping jaws 231. Through the provision of the clamping groove 2311, when the two first clamping jaws 231 tighten the sealing ring, the sealing ring is more firmly fixed on the two first clamping jaws 231, so that the two first clamping jaws 231 can smoothly drive the sealing ring to pass through the cone sleeve 3 and enter the installation hole.

[0023] Specifically, the mounting mechanism 2 also includes a baffle 241, which can enter the mounting hole and prevent the sealing ring from detaching from the mounting hole from the bottom of the mounting hole; the mounting mechanism 2 also includes a second clamping jaw 232, and the second clamping jaw 232 is provided with two, the two first clamping jaws 231 and the two second clamping jaws 232 are arranged alternately around the vertical axis, and the position of the sealing ring in the mounting hole is an annular groove, and the two second clamping jaws 232 can move up and down, so that when the sealing ring reaches the groove position in the mounting hole, the two second clamping jaws 232 move downward to push the sealing ring to expand outward and embed into the groove.

[0024] Through the setting of the baffle 241 and the second clamping jaw 232, when the sealing ring reaches the slot position under the action of the two first clamping jaws 231, the bottom of the sealing ring is supported by the baffle 241, and then the two second clamping jaws 232 move downward to act on the inner side of the sealing ring, thereby squeezing and pushing the diameter of the sealing ring to expand, so that the sealing ring can be embedded outward into the slot to achieve the installation of the sealing ring.

[0025] The positioning mechanism 1 includes a base plate 13 and a tooling seat 14, wherein the base plate 13 is arranged horizontally; the tooling seat 14 is fixedly connected to the top of the base plate 13, and a positioning hole 141 is arranged on the top of the tooling seat 14 for positioning the workpiece. The workpiece is inserted into the positioning hole 141 and fixed on the tooling seat 14 by a positioning pin.

[0026] Specifically, the positioning mechanism 1 also includes a table 11, a conveyor line 12 and a lifting assembly, wherein the table 11 is horizontally arranged; the conveyor line 12 is arranged on the top of the table 11, and the bottom plate 13 is conveyed horizontally on the conveyor line 12; the lifting assembly is arranged below the cone sleeve 3, and the lifting assembly is used to lift the bottom plate 13 moved on the conveyor line 12 to the top of the lifting assembly to make the bottom plate 13 detach from the conveyor line 12.

[0027] Specifically, the lifting assembly includes a base plate 15 fixedly connected to the top of the table plate 11, a lifting plate 16 arranged above the base plate 15, and a cylinder fixedly connected to the base plate 15. The piston rod of the cylinder is connected to the lifting plate 16 to push the lifting plate 16 up and down, thereby lifting the bottom plate 13 through the lifting plate 16.

[0028] Specifically, a plurality of vertically arranged optical axes 161 are fixedly connected to the bottom of the lifting plate 16, and a plurality of linear bearings 151 corresponding to the plurality of optical axes 161 are arranged on the base plate 15. The optical axes 161 are inserted into the linear bearings 151 and can move up and down on the linear bearings 151. The up and down movement of the optical axes 161 on the linear bearings 151 can limit and guide the moving direction of the lifting plate 16.

[0029] Specifically, the conveying line 12 is configured as a conveying track, and two conveying tracks are configured, and the bottom plate 13 is horizontally transported on the two conveying tracks. The lifting assembly is configured between the two conveying tracks.

[0030] Specifically, a through-beam sensor assembly 17 is provided on both sides of the conveyor line 12, and the through-beam sensor assembly 17 is used to detect whether there is a workpiece on the tooling seat 14 above the lifting assembly. The through-beam sensor includes a transmitting end and a receiving end, which are respectively provided on both sides of the conveyor line 12 and emit light passing through the top of the tooling seat 14 located at the top of the lifting assembly, thereby determining whether there is a workpiece loaded on the tooling seat 14.

[0031] Specifically, the positioning mechanism 1 also includes an RFID component, which is configured as an RFID scanner. An RFID tag recording assembly parameter information of the workpiece on the tooling seat 14 is provided on the tooling seat 14, and the RFID component is used to obtain the information recorded in the RFID tag.

[0032] Specifically, the mounting mechanism 2 also includes a mounting frame 21, a disc 23, a lifting plate and a connecting rod 24, wherein the mounting frame 21 is fixedly connected to the top of the table 11; the disc 23 is arranged on the mounting frame 21 and can move up and down on the mounting frame 21, and two first clamps 231 and two second clamps 232 are arranged at the bottom of the disc 23; the lifting plate is arranged above the disc 23 and can slide up and down; the connecting rod 24 is fixedly connected to the bottom of the lifting plate and passes vertically downward between the two first clamps 231 and the two second clamps 232, and the blocking piece 241 is fixedly connected to the bottom of the connecting rod 24.

[0033] The two first clamping jaws 231 and the two second clamping jaws 232 are arranged alternately around the axis of the disk 23 at the bottom of the disk 23. In order to realize the movement of the two first clamping jaws 231 towards and away from each other, two cylinders are fixedly connected at the positions of the two first clamping jaws 231 at the bottom of the disk 23, and the piston rods of the two cylinders are coaxial and respectively fixedly connected to the two first clamping jaws 231, so that the two first clamping jaws 231 are driven to slide in the direction of approaching and moving away from each other by the two cylinders; in order to realize the movement of the two second clamping jaws 232 in the vertical direction, two cylinders fixedly connected to the disk 23 are arranged at the top of the two second clamping jaws 232, and the two piston rods of the two cylinders are arranged vertically and respectively fixedly connected to the two second clamping jaws 232.

[0034] Specifically, the mounting mechanism 2 also includes a transverse plate 22, which is disposed on the mounting frame 21 and can slide in a horizontal direction on the mounting frame 21. The disc 23 and the lifting plate are disposed on the transverse plate 22, and the transverse plate 22 drives the two first clamping jaws 231 at the bottom of the disc 23 to move between the workpiece and the sealing ring storage position.

[0035] A slide rail and a slider are provided between the mounting frame 21 and the transverse plate 22. The slide rail is fixedly connected to the mounting frame 21, and the slider is fixedly connected to the slider, so that the sliding direction of the transverse plate 22 on the mounting frame 21 is guided by the slider and the slide rail. Specifically, a left stop and a right stop are provided on the mounting frame 21, and the transverse plate 22 is located between the left stop and the right stop. When the transverse plate 22 contacts the left stop, the two first clamping jaws 231 are located just above the sealing ring storage position, so that the two first clamping jaws 231 can accurately grasp the sealing ring downward; when the transverse plate 22 contacts the right stop, the two first clamping jaws 231 are located just above the workpiece, so that the two first clamping jaws 231 can smoothly push the sealing ring into the mounting hole of the workpiece.

[0036] Specifically, the movement of the transverse plate 22 on the mounting frame 21 is achieved by using a cylinder as a power source.

[0037] Specifically, a vertically arranged slide rail is provided on the side of the transverse plate 22 close to the disc 23, and two sliders are provided on the slide rail, one of which is connected to the disc 23 through a connecting plate, and the other is connected to the lifting plate, so that the vertical sliding direction of the disc 23 and the connecting rod 24 can be guided by the slider and the slide rail.

[0038] Specifically, the vertical movement of the disc 23 and the connecting rod 24 on the transverse plate 22 is driven by a cylinder as a power source.

[0039] Specifically, a first stopper 221 is provided on the transverse plate 22 and is located below the lifting plate. When the bottom of the lifting plate contacts the top of the first stopper 221, the stopper 241 at the bottom of the connecting rod 24 is inserted into the mounting hole of the workpiece and is located at the bottom of the slot in the mounting hole.

[0040] Specifically, a second stop member 222 is provided on the transverse plate 22 and is located at the bottom of the disc 23. When the disc 23 moves downward and contacts the top of the second stop member 222, the two first clamps 231 drive the sealing ring tightened by the two first clamps 231 to be inserted into the mounting hole and the sealing ring is aligned with the groove in the mounting hole.

[0041] In order to prevent the blocking piece 241 from blocking the first clamping jaw 231, a groove or hole is set on the blocking piece 241 at a position corresponding to the first clamping jaw 231, so that when the blocking piece 241 is located at the bottom of the slot, the two first clamping jaws 231 can smoothly drive the sealing ring to align with the slot.

[0042] Specifically, the present embodiment further comprises a vertical plate 31, which is fixedly connected to the top of the table 11, and a slide rail and a slider are arranged on the vertical plate 31, the slide rail on the vertical plate 31 is fixedly connected to the vertical plate 31, and the slider is connected to the cone sleeve 3 through an extension rod 32, and the vertical sliding direction of the cone sleeve 3 is limited by the slide rail and the slider. Specifically, the vertical sliding direction of the cone sleeve 3 on the vertical plate 31 is driven by a cylinder as a power source.

[0043] Specifically, the vertical plate 31 is provided with a third stopper 33 located at the bottom of the extension rod 32. When the bottom of the extension rod 32 contacts the third stopper 33, the bottom of the cone sleeve 3 contacts the top of the workpiece.

[0044] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A small-diameter deep-hole sealing ring filling device, characterized in that: It comprises a positioning mechanism (1), wherein the positioning mechanism (1) is used to position and support a workpiece on which a sealing ring is to be installed; A cone sleeve (3), the cone sleeve (3) being arranged above the positioning mechanism (1) and being capable of moving up and down to approach and move away from the workpiece, the inner diameter of the cone sleeve (3) gradually decreasing from top to bottom and the minimum inner diameter of the cone sleeve (3) being smaller than the diameter of the mounting hole on the workpiece; and a mounting mechanism (2), wherein the mounting mechanism (2) is used to push the sealing ring to move downward so as to pass through the cone sleeve (3) and then enter into the mounting hole of the workpiece; The mounting mechanism (2) comprises a first clamping jaw (231), wherein two first clamping jaws (231) are provided, and the two first clamping jaws (231) are vertically arranged, and the two first clamping jaws (231) can achieve tightening and loosening of the sealing ring from the inside of the sealing ring by moving towards and away from each other, and the two first clamping jaws (231) can move up and down to drive the sealing ring to pass through the cone sleeve (3) and enter the mounting hole.

2. A small-diameter deep-hole sealing ring filling device according to claim 1, characterized in that: A clamping groove (2311) is provided near the bottom of the two first clamping jaws (231) on the side facing away from each other. When the sealing ring is tightened by the two first clamping jaws (231), the sealing ring is clamped into the two clamping grooves (2311) of the two first clamping jaws (231).

3. A small-diameter deep-hole sealing ring filling device according to claim 2, characterized in that: The mounting mechanism (2) further comprises a blocking piece (241), wherein the blocking piece (241) can enter into the mounting hole and prevent the sealing ring from detaching from the mounting hole from the bottom of the mounting hole; The mounting mechanism (2) further comprises a second clamping jaw (232), wherein two second clamping jaws (232) are provided, wherein the two first clamping jaws (231) and the two second clamping jaws (232) are arranged alternately around a vertical axis, and the position for mounting the sealing ring in the mounting hole is an annular notch, and the two second clamping jaws (232) are capable of moving up and down, so that when the sealing ring reaches the notch position in the mounting hole, the two second clamping jaws (232) move downward to push the sealing ring to expand outward and be embedded in the notch.

4. A small-diameter deep-hole sealing ring filling device according to claim 1, characterized in that: The positioning mechanism (1) comprises a bottom plate (13), and the bottom plate (13) is arranged horizontally; A tooling seat (14) is fixedly connected to the top of the base plate (13); a positioning hole (141) for positioning a workpiece is provided on the top of the tooling seat (14); the workpiece is inserted into the positioning hole (141) and fixed to the tooling seat (14) by a positioning pin.

5. A small-diameter deep-hole sealing ring filling device according to claim 4, characterized in that: The positioning mechanism (1) further comprises a platform (11), wherein the platform (11) is arranged horizontally; A conveying line (12), wherein the conveying line (12) is arranged on the top of the platform (11), and the bottom plate (13) is conveyed in a horizontal direction on the conveying line (12); And a lifting assembly, the lifting assembly is arranged below the cone sleeve (3), and the lifting assembly is used to lift a bottom plate (13) on the conveying line (12) that moves to above the lifting assembly so that the bottom plate (13) is separated from the conveying line (12).

6. A small-diameter deep-hole sealing ring filling device according to claim 5, characterized in that: Opposing sensor assemblies (17) are provided on both sides of the conveying line (12), and the opposing sensor assemblies (17) are used to detect whether there is a workpiece on the tooling seat (14) above the lifting assembly.

7. A small-diameter deep-hole sealing ring filling device according to claim 3, characterized in that: The mounting mechanism (2) further comprises a mounting frame (21), wherein the mounting frame (21) is fixedly connected to the top of the table plate (11); A disc (23), wherein the disc (23) is arranged on a mounting frame (21) and is capable of moving up and down on the mounting frame (21), and two first clamping jaws (231) and two second clamping jaws (232) are arranged at the bottom of the disc (23); A lifting plate, which is arranged above the disc (23) and can slide up and down; and a connecting rod (24), wherein the connecting rod (24) is fixedly connected to the bottom of the lifting plate and passes vertically downward between the two first clamping jaws (231) and between the two second clamping jaws (232), and the blocking sheet (241) is fixedly connected to the bottom of the connecting rod (24).

8. A small-diameter deep-hole sealing ring filling device according to claim 7, characterized in that: The mounting mechanism (2) further comprises a transverse plate (22), wherein the transverse plate (22) is arranged on the mounting frame (21) and is capable of sliding on the mounting frame (21) in a horizontal direction, wherein the disc (23) and the lifting plate are arranged on the transverse plate (22), and wherein the transverse plate (22) drives two first clamping claws (231) at the bottom of the disc (23) to move between the workpiece and the sealing ring storage position.

9. A small-diameter deep-hole sealing ring filling device according to claim 8, characterized in that: The transverse moving plate (22) is provided with a first stop member (221) located below the lifting plate. When the bottom of the lifting plate contacts the top of the first stop member (221), the stop sheet (241) at the bottom of the connecting rod (24) is inserted into the mounting hole of the workpiece and is located at the bottom of the notch in the mounting hole.

10. A small-diameter deep-hole sealing ring filling device according to claim 8, characterized in that: The transverse moving plate (22) is provided with a second stop member (222) located at the bottom of the disc (23); when the disc (23) moves downward and contacts the top of the second stop member (222), the two first clamping jaws (231) drive the sealing ring tightened by the two first clamping jaws (231) to be inserted into the installation hole and the sealing ring is aligned with the notch in the installation hole.

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