Rotating shaft sealing product production device with loading, unloading and burr collecting functions and method thereof

By designing a rotary shaft seal product production device that combines loading and unloading and burr collection, the problems of large positioning error, high burr treatment risk and high equipment vacancy rate during the manufacturing process of rotary shaft seals are solved, and efficient, quality and reliable seal manufacturing is achieved.

CN120228588APending Publication Date: 2025-07-01哈尔滨赛尚密封技术有限公司
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Patent Information

Application Number
CN202510392847.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2025-07-01

AI Technical Summary

Technical Problem

There are multiple manual interventions in the manufacturing process of existing rotary shaft seals, resulting in large errors in positioning reference repetition, risk of secondary damage by relying on burr treatment, high equipment vacancy rate and insufficient sealing surface processing pass rate.

Method used

Design a rotary shaft seal product production device that combines loading and unloading and burr collection, including a base, inlay, loading and unloading mechanism and collection mechanism. The product is fixed by gas negative pressure adsorption, and precise loading and unloading is achieved using dual-cylinder drive fixtures and bevel guide structures. The suction cup and negative pressure airway design avoid manual peeling damage, and the turning tool cuts the burrs and collects them through negative pressure adsorption.

Benefits of technology

Reduces the repeatability error of positioning reference, improves the pass rate of sealing surface processing, avoids manual damage, reduces the vacancy rate of equipment, and realizes the efficiency, quality and reliability of rotary shaft seal manufacturing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a rotating shaft sealing product production device with loading, unloading and burr collecting functions and a method thereof, and belongs to the technical field of sealing product production. The base is connected with the insert; a product is mounted at the upper end of the insert; the two air cylinders are horizontally and reversely arranged, cylinder bodies are fixed to equipment, piston rods drive the clamps to transversely slide, and the two clamps are used in cooperation with a product. The sucker is used in cooperation with a product, the upper end of the sucker is fixed to the mandrel through a fixing clamp, the upper end of the mandrel is connected with the sliding rail, the middle of the mandrel is provided with an air channel communicated with an adsorption part of the sucker, the air channel is communicated with an external air source, and the sliding rail is vertically connected with equipment in a sliding mode. The double-air-cylinder driving clamp is matched with the bevel angle guiding assembly structure, the repeatability error of the positioning reference is reduced, and the machining qualification rate of the sealing face is increased; the suction cup and the negative pressure air channel are designed, manual stripping injury is avoided, and the collecting efficiency is improved; the vacancy rate of equipment is reduced through multi-process sequential coupling control, and a systematic solution with high efficiency, high quality and high reliability is provided for precise rotating shaft sealing element manufacturing.
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Description

Technical Field

[0001] The present invention relates to a production device and method for a rotating shaft seal product with both loading / unloading and burr collection, belonging to the technical field of seal product production. Background Art

[0002] As a key basic component of industrial equipment, the manufacturing precision of a rotating shaft seal directly affects the sealing performance and reliability of the transmission system. Currently, the general processing mode in this field is sequential and independent processing, which has the following technical defects:

[0003] (1) Multiple manual interventions are required for workpiece clamping, and the repeatability error of the positioning reference is large.

[0004] (2) The burr treatment process relies on manual peeling, with a risk of secondary damage.

[0005] (3) There is an idle rate of equipment during the connection of multiple processes.

[0006] (4) Manual clamping is prone to radial runout, resulting in a low qualified rate of seal surface processing. Summary of the Invention

[0007] To solve the problems in the background art, the present invention provides a production device and method for a rotating shaft seal product with both loading / unloading and burr collection.

[0008] To achieve the above object, the present invention adopts the following technical solution: A production device for a rotating shaft seal product with both loading / unloading and burr collection, including a base, an insert, a loading / unloading mechanism, and a collection mechanism; the upper end of the base is fixedly connected to the insert, and the product is fixedly installed on the upper end of the insert by gas negative pressure adsorption; the insert is used in cooperation with both the loading / unloading mechanism and the collection mechanism.

[0009] An air passage hole is provided in the middle of the base, an outer tool avoidance groove is provided circumferentially in the middle of the outer wall of the insert, an installation inner retreat is provided at the upper end of the outer wall of the insert, a placement groove is provided at the upper end of the insert, an inclined inner tool avoidance groove is provided circumferentially at the edge of the bottom surface of the placement groove, a plurality of vacuum holes penetrating in the thickness direction are provided on both the upper end surface of the insert and the bottom surface of the placement groove, the lower end of each vacuum hole is communicated with the air passage hole, and the air passage hole is communicated with an external air source.

[0010] The loading / unloading mechanism includes a connecting plate, two clamps, two sliders, and two cylinders; the two cylinders are horizontally and oppositely arranged, the cylinder bodies of the two cylinders are fixedly connected to the equipment, the piston rods of the two cylinders respectively drive the upper ends of the corresponding sliders to slide horizontally along the lower end of the connecting plate, the upper end of the connecting plate is fixedly connected to the cylinder bodies of the cylinders, the lower end of each slider is respectively fixedly connected to the corresponding clamp, and the two clamps are used in cooperation with the product.

[0011] The collection mechanism includes a suction cup, a fixing clip, a mandrel, and a slide rail; the suction cup is used in cooperation with the product. The upper end of the suction cup is fixedly connected to the lower end of the mandrel by interference insertion through the fixing clip. The upper end of the mandrel is connected to the slide rail. An air passage communicating with the adsorption part of the suction cup is provided in the middle of the mandrel. The air passage is communicated with an external air source, and the slide rail is slidably connected to the equipment vertically.

[0012] Each fixture includes a mounting part, a connecting part, and a clamping part; the upper end of the mounting part is fixedly connected to the lower end of the corresponding slider, the lower end of the mounting part is fixedly connected to one end of the connecting part, the other end of the connecting part is fixedly connected to the middle of the upper end face of the clamping part with an inner arc structure, and a conforming limiting plate is fixed to the lower end face of the clamping part.

[0013] A method for using a production device of a rotating shaft seal product with both loading and unloading and burr collection functions according to the present invention, the method includes the following steps:

[0014] S1: Control two cylinders to drive the sliders to drive the fixtures to move to the extreme separation position to ensure the loading and unloading space; at the same time, the slide rail drives the suction cup to retreat to the non-interference area, and the air passage disconnects the negative pressure to prepare for adsorption;

[0015] S2: The clamping parts of the two fixtures are closed in the same direction under the drive of the cylinders, and the product is grabbed by the interference fit between the limiting plate and the outer diameter of the product; the equipment moves to accurately convey the product above the placement groove of the insert, and the assembly is completed under the action of the bevel guide. The equipment controls the loading and unloading mechanism to retreat to the non-interference area;

[0016] S3: The external air source forms a negative pressure environment through the air passage hole and the vacuum pumping hole, so that the product is adsorbed on the bottom surface of the placement groove. At the same time, the inner wall of the insert is in clearance fit with the product spring to prevent axial movement;

[0017] S4: The equipment drives the base to drive the insert and the product to rotate around the central axis, and the turning tool feeds radially to cut off the inner and outer burrs;

[0018] S5: After the cutting is completed, the equipment controls the slide rail to drive the suction cup to feed downward until it is inside the product. The air passage is connected to the negative pressure to adsorb the cut burrs and then retreats to the original position;

[0019] S6: The negative pressure of the air passage hole is released, and the cylinder drives the fixture to close again to clamp the product and convey it to the designated blanking position;

[0020] S7: The fixture is loosened to complete the unloading, and all mechanisms are reset to enter the next working cycle.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] The present invention is convenient to operate, has strong stability, and high practical performance. The double-cylinder-driven fixture is combined with the bevel-angle guiding assembly structure to reduce the repetitive error of the positioning reference and improve the qualified rate of the sealing surface processing; the suction cup and the negative-pressure air duct design avoid manual peeling damage and improve the collection efficiency; the multi-process timing coupling control reduces the equipment idle rate, providing a systematic solution with both efficiency, quality and reliability for the manufacturing of precision rotary shaft seals. Brief Description of the Drawings

[0023] Figure 1 is a schematic structural diagram of the present invention;

[0024] Figure 2 is a schematic diagram of the connection relationship between the base and the insert;

[0025] Figure 3 is a schematic diagram of the usage relationship between the insert and the loading and unloading mechanism;

[0026] Figure 4 is a schematic diagram of the usage relationship between the insert and the collection mechanism;

[0027] Figure 5 is a schematic structural diagram of the base;

[0028] Figure 6 is a schematic structural diagram of the insert;

[0029] Figure 7 is a schematic structural diagram of the fixture;

[0030] Figure 8 is Figure 7 a side view of;

[0031] Figure 9 is Figure 7 a top view of;

[0032] Figure 10 is a schematic structural diagram of the slider;

[0033] Figure 11 is a schematic structural diagram of the mandrel;

[0034] Figure 12 is Figure 11 a sectional view of. Detailed Embodiments

[0035] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0036] A production device for a rotating shaft seal product with both loading / unloading and burr collection functions, comprising a base 1, an insert 2, a loading / unloading mechanism, and a collection mechanism; the upper end of the base 1 is fixedly connected to the insert 2 by corresponding screws, and the upper end of the insert 2 is fixedly installed with a product 3 by gas negative pressure adsorption; the insert 2 is used in cooperation with both the loading / unloading mechanism and the collection mechanism.

[0037] A plurality of uniformly distributed threaded holes 1-1 are provided along the circumference of the upper surface of the base 1, and an air passage hole 1-2 is provided through the thickness direction in the middle of the base 1. The air passage hole 1-2 is a vacuum pumping channel for forming a vacuum environment. An installation table is provided at the lower end of the outer wall of the insert 2, and a plurality of uniformly distributed threaded holes 2-1 are provided along the circumference of the upper surface of the installation table. The plurality of threaded holes 2-1 are arranged in one-to-one correspondence with the plurality of threaded holes 1-1. The base 1 and the insert 2 are fixedly connected by screwing screws into the corresponding threaded holes 1-1 and 2-1. An outer tool clearance groove 2-2 is provided around the circumference in the middle of the outer wall of the insert 2 to prevent the turning tool from being broken; an installation inner recess 2-3 is provided at the upper end of the outer wall of the insert 2, and the installation inner recess 2-3 contacts the bottom end of the product to play a positioning role; the outer wall and the upper end surface of the insert 2 are connected by an inclined angle, so that the product can be smoothly assembled onto the insert 2; the inner wall of the insert 2 is in clearance fit with the spring of the product to prevent interference; a placement groove 2-7 is provided at the upper end of the insert 2, and the bottom surface of the placement groove 2-7 is in clearance fit with the burr of the product to prevent interference with the burr convex hull; an inclined inner tool clearance groove 2-6 is provided along the circumference at the edge of the bottom surface of the placement groove 2-7 to prevent the turning tool from being broken; a plurality of vacuum pumping holes 2-8 penetrating through the thickness direction are uniformly provided along the circumference on the upper end surface of the insert 2 and the bottom surface of the placement groove 2-7. The lower end of each vacuum pumping hole 2-8 is communicated with the air passage hole 1-2, and the air passage hole 1-2 is communicated with an external air source, and the product is fixed by gas negative pressure after vacuum pumping.

[0038] The loading / unloading mechanism includes a connecting plate 6, two clamps 4, two sliders 5, and two cylinders 7; the two cylinders 7 are horizontally arranged in opposite directions, the cylinder bodies of the two cylinders 7 are fixedly connected to the equipment, and the piston rods of the two cylinders 7 respectively drive the upper ends 5-2 of the corresponding sliders 5 to slide horizontally along the chute at the lower end of the connecting plate 6. The upper end of the connecting plate 6 is fixedly connected to the cylinder body of the cylinder 7 by corresponding screws, and the lower end 5-1 of each slider 5 is respectively fixedly connected to the corresponding clamp 4 by corresponding screws. The two clamps 4 are used in cooperation with the product 3.

[0039] The collection mechanism includes a suction cup 8, a fixing clip 9, a mandrel 10, and a slide rail 11; the suction cup 8 is used in cooperation with the product 3. The upper end of the suction cup 8 is fixed to the lower end of the mandrel 10 by interference fit through the fixing clip 9. The upper end of the mandrel 10 is connected to the slide rail 11. An air passage 10-1 communicating with the adsorption part of the suction cup 8 is provided in the middle of the mandrel 10. The air passage 10-1 is communicated with an external air source, and the slide rail 11 is vertically slidably connected to the device.

[0040] Each fixture 4 includes a mounting part 4-1, a connecting part 4-2, and a clamping part 4-3; the upper end of the mounting part 4-1 is fixedly connected to the lower end 5-1 of the corresponding slider 5 by a corresponding screw. The lower end of the mounting part 4-1 is fixedly connected to one end of the connecting part 4-2. The other end of the connecting part 4-2 is fixedly connected to the middle of the upper end face of the clamping part 4-3 with an inner arc structure. A conforming limit plate 4-4 is fixed to the lower end face of the clamping part 4-3, and the limit plate 4-4 prevents the product from falling off.

[0041] A method for using a production device for a rotating shaft seal product with both loading / unloading and burr collection functions according to the present invention, the method comprising the following steps:

[0042] S1: Control the two cylinders 7 to drive the slider 5 to drive the fixture 4 to move to the extreme separation position to ensure the loading / unloading space; at the same time, the slide rail 11 drives the suction cup 8 to retreat to the non-interference area, and the air passage 10-1 disconnects the negative pressure to prepare for adsorption;

[0043] S2: The clamping parts 4-3 of the two fixtures 4 are closed in the same direction under the drive of the cylinder 7, and the product 3 is grabbed through the interference fit between the limit plate 4-4 and the outer diameter of the product 3; the device moves to accurately convey the product 3 above the placement groove 2-7 of the insert 2, and completes the assembly under the action of the bevel guiding, and the device controls the loading / unloading mechanism to retreat to the non-interference area;

[0044] S3: The external air source forms a negative pressure environment through the air passage hole 1-2 and the vacuum pumping hole 2-8, so that the product 3 is adsorbed on the bottom surface of the placement groove 2-7. At the same time, the inner wall of the insert 2 and the product spring are in clearance fit to prevent axial movement;

[0045] S4: The device drives the base 1 to drive the insert 2 and the product 3 to rotate around the central axis, and the turning tool feeds radially to cut off the inner and outer burrs; the outer tool relief groove 2-2 and the inner tool relief groove 2-6 respectively prevent the turning tool from interfering with the outer wall of the insert and the edge of the groove bottom.

[0046] S5: After the cutting is completed, the device controls the slide rail 11 to drive the suction cup 8 to feed downward until it is inside the product. After the air passage 10-1 is connected to the negative pressure to adsorb the cut burrs, it returns to the original position;

[0047] S6: The negative pressure of the air passage hole 1-2 is released, and the cylinder 7 drives the fixture 4 to close again to clamp the product 3 and convey it to the designated blanking position;

[0048] S7: The fixture 4 releases to complete unloading, and all mechanisms reset to enter the next working cycle.

[0049] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and the present invention can be implemented in other forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent conditions of the claims are intended to be embraced by the present invention. Any reference signs in the claims should not be construed as limiting the claims involved.

[0050] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A production device for rotary shaft sealing products with both loading and unloading and burr collection, characterized in that: The invention comprises a base (1), a setting tool (2), a loading and unloading mechanism and a collecting mechanism; the upper end of the base (1) is fixedly connected to the setting tool (2), and the upper end of the setting tool (2) is fixedly mounted with a product (3) by gas negative pressure adsorption; the setting tool (2) is used in conjunction with the loading and unloading mechanism and the collecting mechanism.

2. The production device for rotary shaft sealing products with both loading and unloading and burr collection according to claim 1, characterized in that: An airway hole (1-2) is provided in the middle of the base (1), an outer knife avoidance groove (2-2) is provided in the middle ring of the outer wall of the inlay (2) in the circumferential direction, an installation recess (2-3) is provided at the upper end of the outer wall of the inlay (2), a placement groove (2-7) is provided at the upper end of the inlay (2), an inner knife avoidance groove (2-6) is provided along its circumferential direction at the edge of the bottom surface of the placement groove (2-7), a plurality of vacuum holes (2-8) are provided on the upper end surface of the inlay (2) and the bottom surface of the placement groove (2-7) running through the thickness direction thereof, the lower end of each of the vacuum holes (2-8) is connected to the airway hole (1-2), and the airway hole (1-2) is connected to an external air source.

3. The production device for rotary shaft sealing products with both loading and unloading and burr collection functions according to claim 1, characterized in that: The loading and unloading mechanism comprises a connecting plate (6), two clamps (4), two slide blocks (5) and two cylinders (7); the two cylinders (7) are arranged horizontally and in opposite directions, the cylinder bodies of the two cylinders (7) are fixedly connected to the equipment, the piston rods of the two cylinders (7) respectively drive the upper ends (5-2) of the corresponding slide blocks (5) to slide laterally along the lower end of the connecting plate (6), the upper end of the connecting plate (6) is fixedly connected to the cylinder body of the cylinder (7), the lower end (5-1) of each slide block (5) is fixedly connected to the corresponding clamp (4), and the two clamps (4) are used in conjunction with the product (3).

4. The production device for rotary shaft sealing products with both loading and unloading and burr collection functions according to claim 1, characterized in that: The collecting mechanism comprises a suction cup (8), a fixing clamp (9), a core shaft (10) and a slide rail (11); the suction cup (8) is used in conjunction with the product (3); the upper end of the suction cup (8) is fixed by interference fit with the lower end of the core shaft (10) through the fixing clamp (9); the upper end of the core shaft (10) is connected to the slide rail (11); the middle part of the core shaft (10) is provided with an air channel (10-1) connected to the adsorption part of the suction cup (8); the air channel (10-1) is connected to an external air source; and the slide rail (11) is vertically slidably connected to the equipment.

5. The production device for rotary shaft sealing products with both loading and unloading and burr collection functions according to claim 3, characterized in that: Each of the clamps (4) comprises a mounting portion (4-1), a connecting portion (4-2) and a clamping portion (4-3); the upper end of the mounting portion (4-1) is fixedly connected to the lower end (5-1) of the corresponding slider (5), the lower end of the mounting portion (4-1) is fixedly connected to one end of the connecting portion (4-2), the other end of the connecting portion (4-2) is fixedly connected to the middle of the upper end surface of the clamping portion (4-3) of the inner arc structure, and the lower end surface of the clamping portion (4-3) is fixed with a conforming limiting plate (4-4).

6. A method for using the rotating shaft sealing product production device with both loading and unloading and burr collection functions according to any one of claims 1 to 5, characterized in that: The method comprises the following steps: S1: Control the two cylinders (7) to drive the slider (5) to drive the clamp (4) to move to the extreme separation position to ensure loading and unloading space; at the same time, the slide rail (11) drives the suction cup (8) to retreat to the non-interference area, and the airway (10-1) disconnects the negative pressure to prepare for adsorption; S2: The clamping parts (4-3) of the two clamps (4) are clamped in the same direction under the drive of the cylinder (7), and the gripping is achieved through the interference fit between the limit plate (4-4) and the outer diameter of the product (3); the equipment moves to accurately transport the product (3) to the top of the placement groove (2-7) of the insert (2), and the assembly is completed under the action of the bevel guide, and the equipment controls the loading and unloading mechanism to retreat to the non-interference area; S3: An external air source forms a negative pressure environment through the airway hole (1-2) and the vacuum hole (2-8), so that the product (3) is adsorbed on the bottom surface of the placement groove (2-7), and at the same time, the inner wall of the insert (2) and the product spring clearance are matched to prevent axial movement; S4: The equipment driving base (1) drives the setting tool (2) and the product (3) to rotate around the central axis, and the turning tool feeds radially to cut off the internal and external burrs; S5: After the cutting is completed, the equipment controls the slide rail (11) to drive the suction cup (8) to move downward into the product, and the airway (10-1) is connected to negative pressure to absorb the cut burrs and then return to its original position; S6: The negative pressure in the airway hole (1-2) is released, and the cylinder (7) drives the clamp (4) to clamp the product (3) again and transport it to the designated unloading position; S7: The clamp (4) is released to complete unloading, and all mechanisms are reset to enter the next working cycle.

Citation Information

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