Fixing device for part machining
By designing a fixing device including a base plate, a communication plate, a reset plate, a cylinder and a piston, and using a high-pressure air source to drive the piston movement for clamping, the problem of multi-diameter in shaft parts is solved, and the universality of the fixing device is improved. Reduced production costs.
Patent Information
- Application Number
- CN202420077574.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-12
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-01-12
AI Technical Summary
Due to the complex structure of shaft parts, there are usually multiple different shaft diameter sizes, which leads to low versatility of fixtures and high production costs.
A fixing device including a base plate, a communication plate, a reset plate, a cylinder, a piston and a movable clamping block is designed. The piston is driven by a high-pressure air source to clamp the shaft-type parts with the movable clamping block and the fixed clamping block. Fixed, using rubber clamping blocks to ensure suitability and stability.
It improves the versatility of the fixture, reduces production costs, and avoids scratches on shaft parts through the clamping method of high-pressure air source, ensuring the stability and applicability of clamping.
Smart Images
Figure CN222176760U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of parts processing, in particular to a fixing device for parts processing. Background Art
[0002] Shaft parts are common parts in mechanical equipment. They are usually used to connect and transmit power, carry loads or guide motion. Shaft parts can be straight shafts, spline shafts, camshafts, hollow shafts, etc.
[0003] Specific shaft parts play an important role in mechanical systems. For example, in engines, camshafts are used to control the opening and closing of valves; in automobile transmission systems, drive shafts are used to transmit power to wheels; in machining equipment, precision bearings are used to support and maintain the movement of working parts. In addition, shaft parts can also be used to connect various rotating parts, such as gears, flywheels, etc. Shaft parts usually have complex structures, and there are usually several different shaft diameters on a shaft. When clamping and fixing shaft parts, special clamping and fixing devices with fixed sizes are usually used, resulting in low versatility of the fixing devices and high production costs. Utility Model Content
[0004] The purpose of the utility model is to provide a fixing device for parts processing, so as to solve the problems mentioned in the above background technology that shaft parts usually have complex structures, and there are usually several different shaft diameter sizes on one shaft. When clamping and fixing shaft parts, special clamping and fixing devices with fixed sizes are usually used, which leads to low versatility of the fixing device and high production cost.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a fixing device for parts processing, comprising a base plate, a connecting plate is provided on one side of the upper surface of the base plate, four reset plates are provided on the inner and outer surfaces of the connecting plate, cylinders are provided between the four reset plates and the connecting plate, pistons are slidably connected to the inside of the four cylinders, piston rods are provided on the side of the four pistons close to the reset plate, the four piston rods penetrate the reset plate and extend to the outside of the piston rods, and movable plates are provided on the outer ends of the four piston rods, a fixing plate is provided at a position corresponding to the movable plate on the other side of the upper surface of the base plate, a movable clamping block is provided on the outer surface of the movable plate opposite to the fixing plate, a fixed clamping block is provided on the outer surface of the fixing plate opposite to the movable plate, a connecting airway is penetrated inside the connecting plate, and the connecting airway is connected to the cylinder.
[0006] Preferably, a reset air channel is provided at the inner upper end of the reset plate, a reset quick socket is provided at the upper end of the reset plate corresponding to the reset air channel, the reset quick socket is connected to the inner cavity of the cylinder through the reset air channel, and a clamping quick socket is provided on the outer surface of one side of the connecting plate at a position corresponding to the connecting air channel.
[0007] Preferably, fixing bolts are threadedly connected through the connecting plate, the fixing plate and the bottom plate, and the fixing bolts are arranged on the sides of the connecting plate and the fixing plate to avoid the connecting air passage.
[0008] Preferably, the movable clamping block and the fixed clamping block are both block structures made of rubber material with an arc structure on one side, and a connecting plate is provided on the side of the movable clamping block and the fixed clamping block that are away from each other.
[0009] Preferably, a pull rod is provided between the connecting plate and the four reset plates and on the outside of the cylinder.
[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: shaft parts usually have complex structures, and there are usually several different shaft diameter sizes on a shaft. When clamping and fixing shaft parts, the traditional dedicated fixed-size clamping and fixing device is replaced by a high-pressure gas source to drive the movement of four pistons, so that the movable clamping block and the fixed clamping block clamp and fix the shaft parts. The fixing device has higher versatility and reduces production costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is an axonometric cross-sectional view of the main structure of the utility model;
[0012] Figure 2 It is an axonometric drawing of the main structure of the utility model;
[0013] Figure 3 It is a top sectional view of the main structure of the utility model;
[0014] Figure 4 It is a top view schematic diagram of the main structure of the utility model;
[0015] Figure 5 It is a left view schematic diagram of the main structure of the utility model.
[0016] In the figure: 1-bottom plate, 2-connecting plate, 3-reset plate, 4-cylinder, 5-piston, 6-piston rod, 7-movable plate, 8-fixed plate, 9-movable clamping block, 10-fixed clamping block, 11-connecting airway, 12-reset airway, 13-reset quick socket, 14-clamping quick socket, 15-fixing bolt, 16-connecting plate, 17-pull rod. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] See also Figure 1-5 The utility model provides a fixing device for parts processing, including a bottom plate 1, a connecting plate 2 is provided on one side of the upper surface of the bottom plate 1, four reset plates 3 are provided on the inner and outer surfaces of the connecting plate 2, a cylinder 4 is provided between the four reset plates 3 and the connecting plate 2, and pistons 5 are slidably connected inside the four cylinders 4. Piston rods 6 are provided on the four pistons 5 on one side close to the reset plate 3, and the four piston rods 6 penetrate the reset plate 3 and extend to the outside of the piston rods 6. A movable plate 7 is provided at the outer ends of the four piston rods 6. A fixing plate 8 is provided at a position corresponding to the movable plate 7 on the other side of the upper surface of the bottom plate 1, and a movable clamping block 9 is provided on the outer surface of the movable plate 7 opposite to the fixing plate 8, and a fixed clamping block 10 is provided on the outer surface of the fixing plate 8 opposite to the movable plate 7. A connecting airway 11 is penetrated inside the connecting plate 2, and the connecting airway 11 is connected to the cylinder 4.
[0019] When in use, the overall equipment is fixed and supported by the base plate 1, the shaft parts are placed between the fixed clamping block 10 and the movable clamping block 9, the cylinder 4 is clamped and fixed by the connecting plate 2 and the reset plate 3, the external high-pressure air source is connected to one side of the piston 5 inside the cylinder 4 through the connecting plate 2, the piston 5 is driven to slide inside the cylinder 4 by the high-pressure air source, so that the piston rod 6 drives the movable plate 7 to move toward the fixed plate 8, so that the fixed clamping block 10 and the movable clamping block 9 clamp and fix the shaft parts, the applicability of clamping is ensured by the fixed clamping block 10 and the movable clamping block 9 made of rubber material, and scratches on shaft parts are avoided, the external high-pressure air source is connected to the inside of the four cylinders 4 through the connecting airway 11, the piston 5 inside the four cylinders 4 can adjust the position of the piston 5 inside the cylinder 4 according to the different positions of the piston rod 6 against the shaft parts, and since the four cylinders 4 are interconnected, the air pressure between the four cylinders 4 is guaranteed to be consistent, and the clamping stability is guaranteed.
[0020] A reset air channel 12 is provided at the internal upper end of the reset plate 3, and a reset quick socket 13 is provided at the upper end of the reset plate 3 at a position corresponding to the reset air channel 12. The reset quick socket 13 is connected to the inner cavity of the cylinder 4 through the reset air channel 12. A clamping quick socket 14 is provided on the outer surface of one side of the connecting plate 2 at a position corresponding to the connecting air channel 11. By providing the reset air channel 12 inside the reset plate 3, the external air source is connected to the inside of the cylinder 4 through the reset air channel 12 through the reset quick socket 13, and the piston 5 is driven by the external air source to slide and reset inside the cylinder 4. By providing the clamping quick socket 14 on one side of the connecting plate 2, the external clamping air source is connected to the connecting air channel 11.
[0021] The connecting plate 2 and the fixing plate 8 are both threadedly connected with fixing bolts 15, and the fixing bolts 15 are arranged on the sides of the connecting plate 2 and the fixing plate 8 to avoid the connecting air passage 11. The connecting plate 2 and the fixing plate 8 are fixed to the upper surface of the bottom plate 1 by the fixing bolts 15.
[0022] The movable clamping block 9 and the fixed clamping block 10 are both block structures made of rubber material with an arc structure on one side. A connecting plate 16 is provided on the side of the movable clamping block 9 and the fixed clamping block 10 that are away from each other. By providing the connecting plate 16 on the fixed clamping block 10 and the movable clamping block 9, the fixed clamping block 10 and the movable clamping block 9 are fixed to the fixed plate 8 and the movable plate 7 through the connecting plate 16.
[0023] A pull rod 17 is provided between the connecting plate 2 and the four reset plates 3 and on the outside of the cylinder 4. By providing the pull rod 17 between the connecting plate 2 and the reset plate 3, the sealing between the connecting plate 2, the reset plate 3 and the cylinder 4 is ensured.
[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A fixture for parts processing, characterized in that: The invention comprises a bottom plate (1), a connecting plate (2) is provided on one side of the upper surface of the bottom plate (1), four reset plates (3) are provided on the inner and outer surfaces of the connecting plate (2), cylinders (4) are provided between the four reset plates (3) and the connecting plate (2), pistons (5) are slidably connected inside the four cylinders (4), piston rods (6) are provided on one side of the four pistons (5) close to the reset plate (3), the four piston rods (6) penetrate the reset plate (3) and extend to the outside of the piston rods (6), and the four The outer end of the piston rod (6) is provided with a movable plate (7), a fixed plate (8) is provided at a position corresponding to the movable plate (7) on the other side of the upper surface of the bottom plate (1), a movable clamping block (9) is provided on the outer surface of the movable plate (7) on the side opposite to the fixed plate (8), and a fixed clamping block (10) is provided on the outer surface of the fixed plate (8) on the side opposite to the movable plate (7), and a connecting air passage (11) is provided through the interior of the connecting plate (2), and the connecting air passage (11) is connected to the cylinder (4).
2. A fixing device for parts processing according to claim 1, characterized in that: The internal upper end of the reset plate (3) is provided with a reset airway (12); a reset quick-plug port (13) is provided at a position on the upper end of the reset plate (3) corresponding to the reset airway (12); the reset quick-plug port (13) is connected to the inner cavity of the cylinder (4) through the reset airway (12); and a clamping quick-plug port (14) is provided at a position on the outer surface of one side of the connecting plate (2) corresponding to the connecting airway (11).
3. A fixing device for parts processing according to claim 1, characterized in that: The connecting plate (2) and the fixing plate (8) are both threadedly connected with fixing bolts (15), and the fixing bolts (15) are arranged on the sides of the connecting plate (2) and the fixing plate (8) to avoid the connecting air passage (11).
4. A fixing device for parts processing according to claim 1, characterized in that: The movable clamping block (9) and the fixed clamping block (10) are both block-shaped structures made of rubber material with an arc structure on one side, and a connecting plate (16) is provided on the side of the movable clamping block (9) and the fixed clamping block (10) that are away from each other.
5. A fixing device for parts processing according to claim 1, characterized in that: A pull rod (17) is provided between the connecting plate (2) and the four reset plates (3) and on the outside of the cylinder (4).