Self-adaptive flexible toothed plate clamping device
Through an adaptive design combining hydraulic and nitrogen gas, the problem of local damage and positional displacement of the flexible toothed clamping device when clamping irregularly shaped items has been solved, achieving uniform and flexible clamping and avoiding damage caused by excessive clamping force.
Patent Information
- Application Number
- CN202423065178.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-12
AI Technical Summary
When using existing flexible toothed plate clamping devices, it is necessary to ensure that the clamped item is centered; otherwise, it may cause local damage or positional displacement.
It adopts an adaptive design that combines hydraulic and nitrogen gas. Through the force transmission mechanism of hydraulic oil and nitrogen gas, it automatically adjusts the insertion depth of the clamping rod to adapt to the irregular surface of the object, ensuring uniform clamping force at each contact point. It uses rubber head and lead screw to drive the slider to move and achieve flexible clamping.
It effectively avoids localized damage and positional displacement of items, achieves uniform clamping of irregularly shaped items, and reduces damage caused by excessive clamping force.
Smart Images
Figure CN223519530U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of clamping devices, in particular to a self-adaptive flexible tooth plate clamping device. BACKGROUND
[0002] The flexible tooth plate clamping device is an innovative clamping tool that plays an important role in many fields. The device is mainly composed of a flexible tooth plate, a clamping mechanism and a driving component. The flexible tooth plate is generally made of special materials and has certain elasticity and wear resistance. The clamping mechanism is responsible for controlling the clamping and loosening action of the tooth plate, usually driven by mechanical, hydraulic or pneumatic means. The driving component provides power for the clamping mechanism to ensure the normal operation of the device.
[0003] The flexible tooth plate in the prior art needs to ensure that the clamped object is in the center position of the two clamping plates during use, otherwise the clamping plate that first contacts the object will forcibly push the clamped object to the other clamping plate, which may cause local damage to the object or a large deviation in the placement position of the object. Therefore, in order to solve this problem, it is necessary to propose a self-adaptive flexible tooth plate clamping device. CONTENT OF THE INVENTION
[0004] The purpose of the present application is to solve the above-mentioned problems and provide a self-adaptive flexible tooth plate clamping device.
[0005] The technical solution adopted by the present application is as follows: a self-adaptive flexible tooth plate clamping device, comprising a rail frame, the front wall of the rail frame is slidably installed with a sliding block on both sides, the front wall of the sliding block is fixedly installed with a moving plate, the inner side of the moving plate is fixedly installed with an oil tank, a plurality of first piston cylinders are fixedly installed on the inner side of the oil tank in a matrix distribution, a clamping rod is insertedly installed at the inner end of the first piston cylinder, and the inserted end of the clamping rod is fixedly connected with a first piston in the first piston cylinder.
[0006] The inner part of the oil tank is a cavity structure, the inner cavity of the oil tank is communicated with the inner cavity of the first piston cylinder, the top of the rail frame is fixedly installed with a second piston cylinder, leather oil pipes are fixedly installed at both ends of the second piston cylinder, the ends of the leather oil pipes away from the second piston cylinder are communicated with the inner cavity of the oil tank through the moving plate, and two second pistons are slidably installed in the inner part of the second piston cylinder.
[0007] In a preferred embodiment, the rear side of the rail frame is fixedly installed with a mounting plate, and the mounting plate is installed on the production equipment in the machining workshop through bolts.
[0008] In a preferred embodiment, the front wall of the rail frame is provided with a limiting sliding groove matched with the sliding block on both sides, and the sliding block is slidably installed in the limiting sliding groove.
[0009] In a preferred implementation form, the middle part of the track frame is fixedly provided with a double-head motor, and the output shafts at the two ends of the double-head motor are fixedly connected with two screw rods provided with opposite external threads, respectively.
[0010] In a preferred implementation form, the outer end of the clamping rod is fixedly provided with a rubber head, and the inner side of the rubber head is provided with a sawtooth-shaped anti-skid surface.
[0011] In a preferred implementation form, the outer side chambers of the two second pistons in the first piston cylinder, the oil tank, the leather oil pipe and the second piston cylinder are filled with hydraulic oil, and the chamber between the two second pistons in the second piston cylinder is filled with nitrogen.
[0012] In summary, due to the adoption of the above technical solutions, the application has the following beneficial effects:
[0013] In the application, when the device is used to clamp an article, the whole device is first moved to the side of the article by using the workshop equipment, so that the two moving plates are located on the two sides of the article, then the double-head motor is started to drive the two screw rods at the two ends to rotate, at this time, the two screw rods will drive the two sliding blocks to move towards each other through thread extrusion, so that the two sliding blocks drive the two moving plates to move towards the article, so that the clamping rod moves close to the article and is clamped on the article by the rubber head, when the clamping rods on the two sides move close to the article for clamping, if the article is not centered, the clamping rod that first contacts the surface of the article will be forced to insert into the first piston cylinder on the upper side, so that the first piston in the first piston cylinder extrudes the hydraulic oil inside to the oil tank, and then the hydraulic oil is discharged into the second piston cylinder through the leather oil pipe connected with the oil tank, extruding the second piston in the second piston cylinder, the second piston in the second piston cylinder drives the second piston on the other side to move by extruding the nitrogen, and then the hydraulic oil in the other side of the second piston cylinder is transmitted to the first piston cylinder on the side of the clamping rod that has not contacted the article, so that the hydraulic oil in the first piston cylinder on the side that has not contacted the article expands to push the clamping rod out, until the clamping rod contacts the article, so as to avoid the problem that the article is pushed by the clamping rod on one side and the position is changed too much and the article is damaged, in this design, the force is transmitted by the hydraulic oil, so that when the clamping surface of the article is of a special shape, the clamping rod at each position can be inserted into the first piston cylinder to different depths to adapt to the contact condition of the special-shaped surface of the article, and the force is transmitted by the hydraulic oil, so that the clamping force of the clamping rod at each contact position can be roughly the same, and the nitrogen between the two second pistons can be compressed to buffer when the clamping rods on the two sides are clamped on the article, so as to achieve the purpose of flexible clamping, so as to further avoid the damage caused by excessive clamping force. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1Structure side view angle schematic diagram of the present application;
[0015] Figure 2 Structure front view angle schematic diagram of the present application;
[0016] Figure 3 Structure schematic diagram of the inside of the second piston cylinder in the present application.
[0017] Markings in the figure: 1-rail frame, 2-mounting plate, 4-sliding block, 5-screw rod, 6-double-head motor, 7-moving plate, 8-oil tank, 9-first piston cylinder, 10-clamping rod, 11-rubber head, 12-second piston cylinder, 13-leather oil pipe, 14-second piston. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical scheme and advantages of the present application more clear and understandable, the present application will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.
[0019] Referring to Figure 1 , 2 A self-adaptive flexible tooth plate clamping device, comprising a rail frame 1, a mounting plate 2 is fixedly installed on the rear side of the rail frame 1, the mounting plate 2 is installed on the production equipment in the machining workshop through bolts, sliding blocks 4 are slidingly installed on both sides of the front wall of the rail frame 1, limiting sliding grooves are formed on both sides of the front wall of the rail frame 1 and are matched with the sliding blocks 4, the sliding blocks 4 are slidingly installed in the limiting sliding grooves, a double-head motor 6 is fixedly installed in the middle of the rail frame 1, screw rods 5 with opposite external threads are fixedly connected to the output shafts at both ends of the double-head motor 6, the two screw rods 5 are threadedly connected with the two sliding blocks 4 respectively, a moving plate 7 is fixedly installed on the front wall of the sliding block 4, an oil tank 8 is fixedly installed on the inner side of the moving plate 7, a plurality of first piston cylinders 9 are fixedly installed on the inner side of the oil tank 8 in a matrix distribution, a clamping rod 10 is insertedly installed at the inner end of the first piston cylinder 9, the clamping rod 10 is fixedly connected with a first piston inside the first piston cylinder 9 at the inserted end of the clamping rod 10, a rubber head 11 is fixedly installed at the outer end of the clamping rod 10, and a sawtooth-shaped anti-slip surface is formed on the inner side of the rubber head 11.
[0020] Through the above design, when the device is used to clamp the article, the machining workshop equipment is used to control the overall movement of the device to the side of the article, so that the two moving plates 7 are located on both sides of the article, then the double-head motor 6 is started to drive the two screw rods 5 at both ends to rotate, at this time the two screw rods 5 will drive the two sliding blocks 4 to move towards each other through thread extrusion, so that the two sliding blocks 4 drive the two moving plates 7 to approach the article, so that the clamping rod 10 approaches and is clamped on the article through the rubber head 11.
[0021] Referring to Figure 1 , 2, 3, the inside of the oil tank 8 is a cavity structure, the inner cavity of the oil tank 8 is communicated with the inner cavity of the first piston cylinder 9, the top of the rail frame 1 is fixedly installed with a second piston cylinder 12, the two ends of the second piston cylinder 12 are fixedly installed with leather oil pipes 13, the ends of the leather oil pipes 13 away from the second piston cylinder 12 are communicated with the inner cavity of the oil tank 8 through the moving plate 7, the inside of the second piston cylinder 12 is slidably installed with two second pistons 14, the inside of the first piston cylinder 9, the oil tank 8, the leather oil pipe 13 and the second piston cylinder 12 located at the outer side chambers of the two second pistons 14 are filled with hydraulic oil, and the chamber between the two second pistons 14 in the second piston cylinder 12 is filled with nitrogen.
[0022] Through the above design, when the clamping rods 10 on both sides approach the article for clamping, if the article is not centered, the clamping rod 10 first contacting the surface of the article will be forced to be inserted into the first piston cylinder 9 above, so as to extrude the hydraulic oil in the first piston cylinder 9 to the oil tank 8, and then extrude the second pistons 14 in the second piston cylinder 12 through the leather oil pipe 13 communicated with the oil tank 8, the second pistons 14 on the other side are driven to move by extruding nitrogen, and then the hydraulic oil in the second piston cylinder 12 on the other side is transmitted to the first piston cylinder 9 on the side of the clamping rod 10 not contacting the article, so as to force the hydraulic oil in the first piston cylinder 9 on the side not contacting the article to expand and push the clamping rod 10 out, until the clamping rod 10 contacts the article, so as to avoid the problem that the article is pushed and extruded by the clamping rod 10 on one side to cause a large position change and damage. In the design, the force is transmitted by hydraulic oil, so that when the clamping surface of the article is of a special shape, the clamping rods 10 at different positions can be inserted into the first piston cylinder 9 to different depths to adapt to the contact condition of the special-shaped surface of the article, and the force is transmitted by the hydraulic oil, so that the clamping force of the clamping rods 10 at each contact position can be roughly the same, and the nitrogen between the two second pistons 14 can be compressed to buffer when the clamping rods 10 on both sides clamp the article, so as to achieve the purpose of flexible clamping, so as to further avoid the damage caused by excessive clamping force.
[0023] The implementation principle of the embodiment of the application is:
[0024] When the device is used to clamp the article, first use the workshop equipment to control the overall movement of the device to the side of the article, so that the two moving plates 7 are located on both sides of the article, then start the double-head motor 6 to drive the two ends of the lead screw 5 to rotate, at this time the two lead screws 5 will drive the two sliders 4 to move towards each other through the thread, so that the two sliders 4 drive the two moving plates 7 to approach the article, so that the clamp rod 10 approaches and is clamped on the article by the rubber head 11, when the clamp rods 10 on both sides approach the article for clamping, if the article is not centered, the clamp rod 10 that first contacts the surface of the article will be forced to insert into the first piston cylinder 9 above it, so that the first piston in the first piston cylinder 9 extrudes the hydraulic oil inside to the oil tank 8, and then through the leather oil pipe 13 connected with the oil tank 8 to the second piston cylinder 12 to extrude the second piston 14 in that position, the second piston 14 in that position drives the other side of the second piston 14 to move by extruding nitrogen, and then transmits the hydraulic oil in the other side of the second piston cylinder 12 to the first piston cylinder 9 on the side of the clamp rod 10 that has not contacted the article, so as to force the hydraulic oil in the first piston cylinder 9 on the side that has not contacted the article to expand and push the clamp rod 10 out, until it contacts the article, so as to avoid the problem that the article is pushed by the clamp rod 10 on one side first contacted by the clamp rod 10 and the position is changed too much and damaged, in this design, since the force is transmitted by hydraulic oil, when the clamping surface of the article is of a special shape, the clamp rod 10 at each position can be inserted into the first piston cylinder 9 to different depths according to the contact condition of the special-shaped surface of the article to adapt, plus the transmission of hydraulic oil, so that the clamping force of the clamp rod 10 at each contact position can be roughly the same, and since the two second pistons 14 are filled with nitrogen, when the clamp rods 10 on both sides are clamped on the article, the nitrogen between the two second pistons 14 can be compressed to buffer, so as to achieve the purpose of flexible clamping, to further avoid damage caused by excessive clamping force.
[0025] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A self-adapting flexible tooth plate clamping device comprising a rail frame (1), characterized in that: The front wall of the track frame (1) is slidably provided with a sliding block (4), the front wall of the sliding block (4) is fixedly provided with a moving plate (7), the inner side of the moving plate (7) is fixedly provided with an oil tank (8), the inner side of the oil tank (8) is fixedly provided with a plurality of first piston cylinders (9) arranged in a matrix, the inner end of the first piston cylinder (9) is insertedly provided with a clamping rod (10), and the inserted end of the clamping rod (10) is fixedly connected with a first piston in the first piston cylinder (9). The oil tank (8) is a hollow structure, the inner cavity of the oil tank (8) is communicated with the inner cavity of the first piston cylinder (9), the top of the track frame (1) is fixedly provided with a second piston cylinder (12), both ends of the second piston cylinder (12) are fixedly provided with a leather oil pipe (13), the end of the leather oil pipe (13) away from the second piston cylinder (12) penetrates through the moving plate (7) and is communicated with the inner cavity of the oil tank (8), and the inner side of the second piston cylinder (12) is slidably provided with two second pistons (14).
2. A self- adaptive flexible tooth plate clamping device as claimed in claim 1, characterized in that: The rear side of the track frame (1) is fixedly provided with a mounting plate (2), and the mounting plate (2) is mounted on the production equipment in the machining workshop through bolts.
3. A self- adaptive flexible tooth plate clamping device as claimed in claim 1, characterized in that: The front wall of the track frame (1) is provided with a limiting sliding groove matched with the sliding block (4) on both sides, and the sliding block (4) is slidably mounted in the limiting sliding groove.
4. An adaptive flexible tooth plate clamping device as claimed in claim 1, characterized in that: The middle part of the track frame (1) is fixedly provided with a double-head motor (6), and the output shafts at both ends of the double-head motor (6) are fixedly connected with two threaded rods (5) with opposite external threads, respectively.
5. An adaptive flexible tooth plate clamping device as claimed in claim 1, characterized in that: The outer end of the clamping rod (10) is fixedly provided with a rubber head (11), and the inner side of the rubber head (11) is provided with a sawtooth-shaped anti-skid surface.
6. An adaptive flexible tooth plate clamping device as claimed in claim 1, characterized in that: The outer side cavities of the first piston cylinder (9), the oil tank (8), the leather oil pipe (13) and the second piston cylinder (12) located between the two second pistons (14) are filled with hydraulic oil, and the cavity between the two second pistons (14) in the second piston cylinder (12) is filled with nitrogen.