Elastic collet chuck for multiple stations
By designing a cylinder-driven system for the elastic collet, damage-free clamping and multi-station adaptability are achieved, solving the problems of material surface damage and poor adaptability of existing clamps and improving the practicality of the clamps.
Patent Information
- Application Number
- CN202422999638.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-05
AI Technical Summary
Most existing fixtures use rigid clamping, which can easily damage the surface of materials and has poor adaptability to clamping materials of different shapes, making it difficult to meet the needs of multi-station operation and thus having low practicality.
An elastic collet clamp comprising a flange base, an outer sleeve, an elastic chuck, and a cylinder system was designed. The cylinder drives the elastic chuck to clamp and release materials, and the elastic clamping method is suitable for various types of materials and meets the needs of multiple workstations.
It achieves non-destructive clamping of material surfaces, adapts to various types of materials, meets the needs of multi-station processing, and improves the practicality of the fixture.
Smart Images
Figure CN223557826U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to workpiece clamping technical field, specifically, relate to a kind of elastic cylinder chuck for multi-station. BACKGROUND
[0002] Machining parts refer to the material parts that are machined by machining method to raw materials, so as to meet the predetermined shape, size, accuracy and surface quality requirements, when material is machined, corresponding clamp is needed to clamp and fix it, however, the following shortcomings exist when prior art is used:
[0003] Most of the existing clamps use rigid clamping method, if the clamping force is too large, it is easy to cause damage to the surface of material, affect the subsequent assembly effect of material, at the same time, the clamping adaptability of clamp to different shape materials is poor, there are certain limitations in actual application, it is difficult to meet the multi-station demand, and the practicality is low.
[0004] Therefore, an elastic cylinder chuck for multi-station is needed to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at the following problems existing at present: most of the existing clamps use rigid clamping method, if the clamping force is too large, it is easy to cause damage to the surface of material, affect the subsequent assembly effect of material, at the same time, the clamping adaptability of clamp to different shape materials is poor, there are certain limitations in actual application, it is difficult to meet the multi-station demand, and the practicality is low.
[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:
[0007] An elastic cylinder chuck for multi-station is provided to improve the above problems.
[0008] The application is as follows:
[0009] An elastic cylinder chuck for multi-station, comprising a flange base, an outer sleeve is installed at the top of the flange base, an elastic chuck and a connecting sleeve are arranged in the outer sleeve, the connecting sleeve is sleeved on the outside of the elastic chuck, a backrest shaft is installed in the connecting sleeve, a gas cylinder is arranged on one side of the outer sleeve, a gas cylinder rod is arranged on the push rod of the gas cylinder, two limiting rings are fixedly sleeved on the push rod of the gas cylinder, a follow-up sleeve is movably installed on the gas cylinder rod through two symmetrical fixing pins, and the follow-up sleeve is sleeved on the connecting sleeve.
[0010] As the preferred technical scheme of the present application, the blanking punch pin is fixedly connected with a spring at the top, and the end of the spring away from the blanking punch pin is fixedly connected with a plug which is fixedly installed in one end of the supporting shaft.
[0011] As the preferred technical scheme of the present application, the two adjusting nuts are threadedly connected with the follower sleeve, the two locking nuts are threadedly connected with the supporting shaft, the cylinder rod is provided with two symmetrically distributed arc-shaped openings at one end, and a connecting rod is arranged in the two arc-shaped openings.
[0012] As the preferred technical scheme of the present application, the lower half of the elastic chuck is trumpet-shaped, and the two limiting rings are in contact with the upper and lower surfaces of the cylinder rod respectively.
[0013] As the preferred technical scheme of the present application, the supporting shaft is a shaft body with a cylindrical cavity.
[0014] As the preferred technical scheme of the present application, the adjusting nuts are symmetrically distributed about the central axis of the follower sleeve.
[0015] As the preferred technical scheme of the present application, the cylinder rod is movably installed on the push rod of the cylinder, and the outer surface of the cylinder rod is provided with symmetrically distributed arc-shaped protrusions.
[0016] Compared with the prior art, the present application has the following beneficial effects:
[0017] In the scheme of the present application:
[0018] 1. When the cylinder is extended, the follower sleeve and the connecting sleeve are moved downward through the cylinder rod and the fixed pin, and the elastic chuck is clamped to the internal material through the downward contact with the conical surface of the elastic chuck, so that the operation is simple and convenient, the elastic clamping mode does not cause damage to the surface of the material, and at the same time, the elastic clamping mode can be adapted to various types of materials and meet the multi-station requirement.
[0019] 2. After the material processing is completed, the cylinder is retracted, the follower sleeve and the connecting sleeve are moved upward through the cylinder rod and the fixed pin, and the elastic chuck is loosened, so that the material can be easily pushed out through the blanking punch pin subsequently. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 An explosion structure schematic view of the elastic cylinder clamp for multi-station is provided.
[0021] Figure 2 A three-dimensional structure schematic view of the elastic cylinder clamp for multi-station is provided.
[0022] Figure 3A schematic diagram of a shaft side structure of an elastic chuck for a multi-station is provided in the application.
[0023] Figure 4 A schematic diagram of another view structure of an elastic chuck for a multi-station is provided in the application.
[0024] Figure 5 A schematic diagram of a cross-sectional structure of an elastic chuck for a multi-station is provided in the application.
[0025] Indicated in the figure:
[0026] 1, flange base; 2, outer sleeve; 3, elastic chuck; 4, connecting sleeve; 5, abutment shaft; 6, air cylinder; 7, air cylinder rod; 8, limit ring; 9, fixing pin; 10, follow-up sleeve; 11, blanking punch; 12, spring; 13, plug; 14, adjusting nut; 15, locking nut; 16, arc-shaped opening; 17, connecting rod; 18, downwardly curved plate. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments.
[0028] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but only represents some embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0029] It should be noted that the embodiments and features and technical solutions in the embodiments in the present application can be combined with each other without conflict.
[0030] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.
[0031] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "upper", "lower" and the like is the orientation or position relation shown based on the drawings, or is the orientation or position relation commonly placed when the utility model product is used, or is the orientation or position relation commonly understood by the person skilled in the art, these terms are only for the convenience of describing the utility model and simplifying the description, and are not indicative or suggestive of the device or element indicated having a specific orientation, being constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicative or suggestive of relative importance. Embodiment
[0032] As shown in Figures 1-5 , the utility model discloses a kind of elastic chuck for multi-station, including flange pedestal 1, flange pedestal 1 top is equipped with outer sleeve 2, outer sleeve 2 inside is provided with elastic chuck 3 and connecting sleeve 4, and connecting sleeve 4 is set on the outside of elastic chuck 3, connecting sleeve 4 is equipped with backstop shaft 5 inside, staff puts material into elastic chuck 3, so that material and the end surface of backstop shaft 5 contact, outer sleeve 2 side is provided with cylinder 6, cylinder 6 push rod is provided with cylinder punch 7, start cylinder 6, cylinder 6 does stretch out action, drive cylinder punch 7 rotation, cylinder 6 push rod is fixedly provided with two limit rings 8, cylinder punch 7 is movably installed with follow-up sleeve 10 on two fixed pins 9 of symmetrical arrangement, follow-up sleeve 10 is set on connecting sleeve 4, by the cooperation of two fixed pins 9 with the cylinder punch 7 of rotation, drive follow-up sleeve 10 and connecting sleeve 4 move downwards, connecting sleeve 4 of moving downwards and the taper surface of elastic chuck 3 contact, so that elastic chuck 3 deformation, by the material of inside clamping of deformed elastic chuck 3, it is simple and convenient to operate, using elastic clamping mode can not cause damage to material surface, simultaneously, it can adapt to multiple types of parts use, satisfy multi-station demand.
[0033] As shown in Figure 1 and Figure 2 , backstop shaft 5 is provided with blanking punch 11 inside, blanking punch 11 top is fixedly connected with spring 12, spring 12 is fixedly connected with plug 13 at the end away from blanking punch 11, and plug 13 is fixedly installed in one end in backstop shaft 5, when material subsequent processing is completed, cylinder 6 retracts, cylinder punch 7 reversely rotates, drive follow-up sleeve 10 and connecting sleeve 4 move upwards by two fixed pins 9, elastic chuck 3 loosens, at this time, by small cylinder drive blanking punch 11 moves, so as to be able to eject material (small cylinder is prior art, not shown in the figure).
[0034] As shown in Figure 1 , Figure 2 and Figure 5As shown, the two adjusting nuts 14 are threadedly connected to the follower sleeve 10, and the two locking nuts 15 are threadedly connected to the abutment shaft 5. By rotating the two adjusting nuts 14 and adjusting them to the appropriate positions, the cylinder rod 7 can rotate to a certain extent when the subsequent cylinder 6 operates. The cylinder rod 7 is provided with symmetrically distributed arc-shaped openings 16 at one end, and the connecting rod 17 is arranged in the two arc-shaped openings 16.
[0035] As shown in Figure 1 , Figure 3 and Figure 5 , the lower half of the elastic chuck 3 is trumpet-shaped, and the two limiting rings 8 are in contact with the upper and lower surfaces of the cylinder rod 7, respectively, so as to limit the cylinder rod 7 through the two limiting rings 8.
[0036] As shown in Figure 1 and Figure 5 , the abutment shaft 5 is a shaft body with a cylindrical cavity, which is convenient for the subsequent blanking punch 11 to eject the material.
[0037] As shown in Figure 1 , the adjusting nuts 14 are symmetrically distributed about the central axis of the follower sleeve 10.
[0038] As shown in Figure 1 and Figure 4 , the cylinder rod 7 is movably installed on the push rod of the cylinder 6, and the outer surface of the cylinder rod 7 is provided with symmetrically distributed arc-shaped protrusions, so that the cylinder rod 7 can rotate when the cylinder 6 operates.
[0039] Specifically, the elastic cylinder chuck for multiple stations is used as follows: the worker puts the material into the elastic chuck 3, so that the material is in contact with the end face of the abutment shaft 5, and then starts the cylinder 6. The cylinder 6 extends and drives the cylinder rod 7 to rotate. Through the rotating cylinder rod 7 cooperating with the two fixed pins 9, the follower sleeve 10 and the connecting sleeve 4 are driven to move downward. The connecting sleeve 4 in contact with the tapered surface of the elastic chuck 3 deforms the elastic chuck 3, so that the material in the elastic chuck 3 is clamped. The operation is simple and convenient, and the elastic clamping method will not damage the surface of the material. At the same time, it can adapt to multiple types of parts and meet the multiple station requirements. When the subsequent material processing is completed, the cylinder 6 retracts, the cylinder rod 7 reversely rotates, the follower sleeve 10 and the connecting sleeve 4 are driven to move upward through the two fixed pins 9, and the elastic chuck 3 is loosened. At this time, the blanking punch 11 is driven to move by the small cylinder, so as to eject the material.
[0040] The above examples are only used to illustrate the technical solutions described in the utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the above-described various embodiments, the utility model is not limited to the above-described specific embodiments, and therefore any modification or equivalent replacement of the utility model is allowed. Any technical solution and improvement that does not deviate from the spirit and scope of the utility model is included in the scope of the claims of the utility model.
Claims
1. A flexible collet for multi-station applications, comprising a flange base (1), characterized in that, The flange base (1) is equipped with an outer sleeve (2) on top. An elastic clamp (3) and a connecting sleeve (4) are provided inside the outer sleeve (2). The connecting sleeve (4) is sleeved outside the elastic clamp (3). A backing shaft (5) is installed inside the connecting sleeve (4). A cylinder (6) is provided on one side of the outer sleeve (2). A cylinder rod (7) is provided on the push rod of the cylinder (6). Two limiting rings (8) are fixedly sleeved on the push rod of the cylinder (6). A follower sleeve (10) is movably installed on the cylinder rod (7) through two symmetrically arranged fixing pins (9). The follower sleeve (10) is sleeved on the connecting sleeve (4).
2. The elastic collet for multi-station applications according to claim 1, characterized in that, The backing shaft (5) is provided with a feeding punch (11), and a spring (12) is fixedly connected to the top of the feeding punch (11). A plug (13) is fixedly connected to the end of the spring (12) away from the feeding punch (11), and the plug (13) is fixedly installed at one end inside the backing shaft (5).
3. The elastic collet for multi-station applications according to claim 1, characterized in that, The follower sleeve (10) is threadedly connected to two adjusting nuts (14), the backing shaft (5) is threadedly connected to two locking nuts (15), one end of the cylinder rod (7) is provided with symmetrically distributed arc-shaped openings (16), and a connecting rod (17) is provided in both arc-shaped openings (16), and a lowering plate (18) is sleeved on the connecting rod (17).
4. A flexible collet for multi-station applications according to claim 1, characterized in that, The lower half of the elastic clamp (3) is trumpet-shaped, and the two limiting rings (8) are in contact with the upper and lower surfaces of the cylinder rod (7) respectively.
5. A flexible collet for multi-station applications according to claim 1, characterized in that, The backing shaft (5) is a shaft with a cylindrical cavity.
6. A flexible collet for multi-station applications according to claim 3, characterized in that, The adjusting nuts (14) are symmetrically distributed about the central axis of the follower sleeve (10).
7. A flexible collet for multi-station applications according to claim 1, characterized in that, The cylinder striking rod (7) is movably mounted on the push rod of the cylinder (6), and the outer surface of the cylinder striking rod (7) is provided with symmetrically distributed arc-shaped protrusions.