Oil seal pre-pressing clamping jaw structure
By designing the pre-pressure jaw structure of the oil seal, the secondary positioning of the oil seal is achieved by using the jaw cylinder and cylinder system, the problem of unstable position of the oil seal on the grinding head is solved, and the quality of the flash trimming and the service life of the oil seal are improved.
Patent Information
- Application Number
- CN202421122082.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-22
AI Technical Summary
During the flash trimming process of oil seals, the position of the oil seal on the grinding head is unstable due to product shape, lip and flash trimming quality, resulting in a decrease in the flatness and sealing performance of the oil seal and shortening the service life of the oil seal. .
Design an oil seal prepressed jaw structure, including a jaw cylinder, a loading cylinder, a down-pressure cylinder and a down-pressure rod, and move the oil seal up and down through a secondary placement positioning unit to realize the stable positioning of the oil seal on the rotating spindle die head , ensure the quality of the flash trim.
Through secondary positioning technology, the stability of the oil seal on the grinding head is ensured, and the quality of the flash trim and the service life of the oil seal are improved.
Smart Images

Figure CN222249054U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of oil seal trimming tooling, in particular to an oil seal pre-pressing clamping claw structure. Background Art
[0002] Oil seal is a mechanical component used to seal oil. Its main function is to prevent the internal liquid from flowing out and the external dirt from entering. Specifically, oil seal is a device that separates the parts that need lubrication from the output parts in the transmission parts to prevent the leakage of lubricating oil. It is widely used in mechanical equipment such as gearboxes and hydraulic cylinders, and is an indispensable part of rotating and moving parts.
[0003] In the production process of oil seals, flash trimming is an important step. After the oil seal is formed, excess rubber material may be generated on the edge, i.e., flash. These flashes not only affect the appearance quality of the oil seal, but may also affect its sealing performance and service life. Therefore, it is necessary to trim the flash of the oil seal to remove the excess rubber material and ensure the flatness and sealing performance of the oil seal.
[0004] During the later processing of the oil seal, when it comes to oil seal flash trimming, the product's position will be unstable after being placed on the trimming grinding head due to product irregularities, lips, flash, etc., which will affect the quality of flash trimming, the flatness and sealing performance of the oil seal, and cause increased wear of the oil seal, shortening its service life. Utility Model Content
[0005] The main technical problem solved by the utility model is to provide an oil seal pre-pressing jaw structure, which can place the oil seal product on the rotating spindle die head and perform secondary press-fitting on the oil seal product to achieve the purpose of secondary positioning, ensure the stability of the oil seal product on the grinding head, and ensure the quality of flash trimming.
[0006] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide an oil seal pre-pressing clamping jaw structure, which is installed on the rotating spindle die head, including: a clamping jaw part and a secondary placement and positioning unit for driving the clamping jaw part to place and position the oil seal,
[0007] The clamping jaw part includes a clamping jaw cylinder and an oil-sealed clamping jaw connected to the clamping jaw cylinder drive, the secondary placement positioning unit includes a feeding cylinder, a pressing cylinder, a pressing rod and a pressing block, the feeding cylinder is arranged on a feeding cylinder mounting plate, and the clamping jaw cylinder is connected to the bottom end of the feeding cylinder mounting plate.
[0008] The pressing cylinder is arranged on the pressing cylinder mounting plate, the pressing rod passes through the feeding cylinder mounting plate and the clamping cylinder, one end of the pressing rod is connected to the power output end of the pressing cylinder, and the other end of the pressing rod is connected to the pressing block.
[0009] In a preferred embodiment of the present invention, the feeding cylinder is arranged on a fixed plate, and a reinforcing rib plate is also arranged on the fixed plate.
[0010] In a preferred embodiment of the present utility model, the downward pressure cylinder mounting plate is supported and mounted on the loading cylinder mounting plate by means of downward pressure cylinder support columns.
[0011] In a preferred embodiment of the utility model, the oil seal clamping jaws are correspondingly arranged above the rotating main shaft, and the oil seal clamping jaws can be driven by the feeding cylinder to move up and down to achieve the oil seal grabbing and one-time positioning.
[0012] In a preferred embodiment of the utility model, the power output end of the downward pressure cylinder is provided with a cylinder connecting sleeve, and a downward pressure rod mounting block is installed on the cylinder connecting sleeve. One end of the downward pressure rod is connected to the downward pressure rod mounting block, and the other end of the downward pressure rod is connected to the downward pressure block.
[0013] In a preferred embodiment of the utility model, the lifting distance of the pressing rod and the pressing block driven by the pressing cylinder is adjustable, and the pressing rod can be driven by the pressing cylinder to drive the pressing block to descend so as to perform secondary positioning of the oil seal.
[0014] In a preferred embodiment of the utility model, the lifting distance of the pressing rod and the pressing block driven by the pressing cylinder is adjustable.
[0015] In a preferred embodiment of the utility model, the oil seal jaw is connected to the jaw cylinder via a jaw connecting block, and the structural shape of the oil seal jaw is compatible with the corresponding oil seal product.
[0016] The utility model has the beneficial effects of placing the oil seal product on the rotating spindle die head and performing secondary press-fitting on the oil seal product to achieve the purpose of secondary positioning, thereby ensuring the stability of the oil seal product on the grinding head and ensuring the quality of flash trimming. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:
[0018] Figure 1 It is a three-dimensional structural schematic diagram of a preferred embodiment of the oil seal pre-compression clamping jaw structure of the utility model;
[0019] Figure 2 It is a front view of a preferred embodiment of the oil seal pre-compression clamping jaw structure of the utility model;
[0020] Figure 3 yes Figure 2 AA section view;
[0021] The markings of the components in the accompanying drawings are as follows:
[0022] 1. Feeding cylinder, 2. Feeding cylinder mounting plate, 3. Fixing plate, 4. Reinforcing rib plate, 5. Pressing cylinder, 6. Pressing cylinder mounting plate, 7. Cylinder connecting sleeve, 8. Pressing rod mounting block, 9. Claw cylinder, 10. Pressing cylinder supporting column, 11. Claw connecting block, 12. Oil seal claw, 13. Pressing block, 14. Pressing rod. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0024] 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 present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0025] The utility model relates to a preferred embodiment of an oil seal pre-pressing clamping claw structure.
[0026] See also Figures 1 to 3 The oil seal pre-compression clamping jaw structure is installed on the rotating main shaft die head, and includes a clamping jaw part and a secondary placement and positioning unit for driving the clamping jaw part to place and position the oil seal.
[0027] In an exemplary embodiment, the clamping jaw portion includes a clamping jaw cylinder 9 and an oil-sealed clamping jaw 12 drivingly connected to the clamping jaw cylinder 9 .
[0028] Furthermore, the oil seal jaw 12 is detachably connected to the jaw cylinder 9 via the jaw connecting block 11. The structural shape of the oil seal jaw 12 is adapted to the corresponding oil seal product. The oil seal jaw 12 is configured to be detachable and adjustable so that it can match different oil seal products.
[0029] In an exemplary embodiment, the secondary placement and positioning unit includes a loading cylinder 1 , a pressing cylinder 5 , a pressing rod 14 and a pressing block 13 .
[0030] Specifically, the feeding cylinder 1 is arranged on the feeding cylinder mounting plate 2, the clamping cylinder 9 is connected to the bottom end of the feeding cylinder mounting plate 2, and the feeding cylinder 1 is arranged on a fixed plate 3, and a reinforcing rib plate 4 is also arranged on the fixed plate 3 to ensure the stability and reliability of the feeding cylinder 1 during operation.
[0031] Furthermore, the oil seal clamping jaws 12 are correspondingly arranged above the rotating main shaft, and the oil seal clamping jaws 12 can be driven by the feeding cylinder 1 to move up and down to achieve oil seal grabbing and one-time positioning.
[0032] Specifically, the pressing cylinder 5 is arranged on the pressing cylinder mounting plate 6 , and the pressing cylinder mounting plate 6 is supported and mounted on the feeding cylinder mounting plate 2 through the pressing cylinder supporting column 10 , and the pressing rod 13 passes through the feeding cylinder mounting plate 2 and the clamping cylinder 9 .
[0033] Furthermore, the power output end of the pressing cylinder 5 is provided with a cylinder connecting sleeve 7, and a pressing rod mounting block 8 is mounted on the cylinder connecting sleeve 7. One end of the pressing rod 14 is connected to the pressing rod mounting block 8, and the other end of the pressing rod 14 is connected to the pressing block 13. The pressing rod 14 can be driven by the pressing cylinder 5 and drive the pressing block 13 to descend, thereby performing secondary pressing and positioning on the oil seal.
[0034] Furthermore, the lifting distance of the pressing rod 14 and the pressing block 13 driven by the pressing cylinder 5 is adjustable, so that the pressing block can be prevented from crushing the oil seal product and can also match different types of products.
[0035] The working process of the oil seal pre-compression clamping claw structure of the utility model is:
[0036] Start the feeding cylinder 1, which drives the clamping cylinder 9 to move through the feeding cylinder mounting plate 2. The clamping cylinder 9 grabs the oil seal product and drives the oil seal clamping claw 12 to move above the rotating spindle;
[0037] Then the feeding cylinder 1 continues to move downward to place the oil seal product on the rotating spindle grinding head to achieve placement and one-time positioning;
[0038] Finally, the pressing cylinder 5 is started, and the pressing cylinder 5 moves downward, driving the pressing block 13 to press the oil seal product downward through the pressing rod 14, so as to realize secondary positioning and ensure the position of the oil seal product on the grinding head tooling.
[0039] The beneficial effects of the oil seal pre-pressing jaw structure of the utility model are:
[0040] The oil seal product can be placed on the rotating spindle die head and pressed for a second time to achieve the purpose of secondary positioning, ensuring the stability of the oil seal product on the grinding head to ensure the quality of flash trimming.
[0041] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. An oil seal pre-compression jaw structure, mounted on a rotating spindle die head, characterized in that: include: The clamping jaws and the secondary positioning unit that drives the clamping jaws to position the oil seal. The clamping jaw part includes a clamping jaw cylinder and an oil-sealed clamping jaw connected to the clamping jaw cylinder drive, the secondary placement positioning unit includes a feeding cylinder, a pressing cylinder, a pressing rod and a pressing block, the feeding cylinder is arranged on a feeding cylinder mounting plate, and the clamping jaw cylinder is connected to the bottom end of the feeding cylinder mounting plate. The pressing cylinder is arranged on the pressing cylinder mounting plate, the pressing rod passes through the feeding cylinder mounting plate and the clamping cylinder, one end of the pressing rod is connected to the power output end of the pressing cylinder, and the other end of the pressing rod is connected to the pressing block.
2. The oil seal pre-compression jaw structure according to claim 1, characterized in that: The feeding cylinder is arranged on a fixed plate, and a reinforcing rib plate is also arranged on the fixed plate.
3. The oil seal pre-compression jaw structure according to claim 1, characterized in that: The pressing cylinder mounting plate is supported and mounted on the loading cylinder mounting plate through the pressing cylinder supporting column.
4. The oil seal pre-compression jaw structure according to claim 1, characterized in that: The oil seal clamping jaws are correspondingly arranged above the rotating main shaft, and the oil seal clamping jaws can be driven by the feeding cylinder to move up and down to achieve the oil seal grabbing and one-time positioning.
5. The oil seal pre-compression jaw structure according to claim 1, characterized in that: The power output end of the downward pressure cylinder is provided with a cylinder connecting sleeve, and a downward pressure rod mounting block is installed on the cylinder connecting sleeve. One end of the downward pressure rod is connected to the downward pressure rod mounting block, and the other end of the downward pressure rod is connected to the downward pressure block.
6. The oil seal pre-compression jaw structure according to claim 5, characterized in that: The lifting distance of the pressing rod and the pressing block driven by the pressing cylinder is adjustable, and the pressing rod can be driven by the pressing cylinder to drive the pressing block to descend so as to perform secondary positioning on the oil seal.
7. The oil seal pre-compression jaw structure according to claim 1, characterized in that: The oil seal clamping jaw is connected to the clamping jaw cylinder via a clamping jaw connecting block, and the structural shape of the oil seal clamping jaw is adapted to the corresponding oil seal product.
