Hollow hydraulic movable spring jacket

Abstract

The utility model discloses a hollow hydraulic movable type spring jacket, which belongs to the technical field of spring jackets and comprises a base plate. A plurality of clamping mechanisms are sequentially arranged on the outer wall of the base plate, each clamping mechanism comprises a first oil cylinder base and a second oil cylinder base which are fixed to the outer wall of the base plate, a first oil cavity is formed in one end of each first oil cylinder base, a first piston is arranged in each first oil cavity in a sliding mode, and an auxiliary pin matched with the corresponding first piston is fixed to the outer wall of each first oil cylinder. A second oil cavity is formed in one end of the second oil cylinder base, a second piston slides in the second oil cavity, a spring clamping sleeve is fixed to one end of the second piston, a taper disc is fixed to one end of the second oil cylinder base, and a conical through opening is formed in the circle center of the taper disc; according to the clamping device, the operation efficiency is improved more conveniently and quickly, and through multiple clamping, the clamping device is more comprehensive and stable, and machining operation is not prone to being affected.

Description

Technical Field

[0001] The utility model relates to the technical field of spring jackets, in particular to a hollow hydraulic movable spring jacket. Background Art

[0002] Spring collets are commonly used components in fixtures. They can position, support, and clamp workpieces by tightening and releasing them. They are widely used in CNC machine tools, machining centers, automated production lines, and other scenarios.

[0003] At present, when it comes to clamping special-shaped products such as special-shaped pistons processed in CNC machine tools, it is difficult to clamp the special-shaped piston products more comprehensively and stably by relying solely on spring sleeves, which can easily affect the stability of processing.

[0004] Based on this, the utility model designs a hollow hydraulic movable spring jacket to solve the above problems. Summary of the Invention

[0005] The purpose of the utility model is to provide a hollow hydraulic movable spring jacket to solve the above technical problems.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hollow hydraulic movable spring jacket, comprising: a base plate; a plurality of clamping mechanisms are sequentially arranged on the outer wall of the base plate, the clamping mechanism comprising a first cylinder seat and a second cylinder seat fixed to the outer wall of the base plate, a first oil chamber is opened at one end of the first cylinder seat, a first piston slides in the first oil chamber, an auxiliary pin matching the first piston is fixed on the outer wall of the first cylinder, a second oil chamber is opened at one end of the second cylinder seat, a second piston slides in the second oil chamber, a spring jacket is fixed at one end of the second piston, a tapered disc is fixed at one end of the second cylinder seat, a tapered opening is opened at the center of the tapered disc, and the tightening end of the spring jacket is tapered and plugged into the tapered opening of the tapered disc.

[0007] Preferably, a first oil inlet, a second oil inlet and an oil outlet are respectively provided in the base plate, and an oil inlet and an oil outlet connected to the first oil chamber are respectively provided at the bottom of the first cylinder seat, the oil inlet of the first oil chamber is connected to the first oil inlet, and the oil outlet of the first oil chamber is connected to the oil outlet.

[0008] Preferably, an oil inlet and an oil outlet connected to the second oil chamber are respectively provided on the top of the second oil cylinder seat, the oil inlet of the second oil chamber is connected to the second oil inlet circuit, and the oil outlet of the second oil chamber is connected to the oil outlet circuit.

[0009] Preferably, a common operating opening is opened among the first cylinder seat, the second cylinder seat, the base plate, the second piston and the spring jacket.

[0010] Preferably, a detachable piston base is provided at one end of the first oil chamber.

[0011] Compared with the existing technology, the beneficial effects of the present invention are: multiple clamping mechanisms can be installed on the substrate at the same time to perform clamping operations at the same time, which improves efficiency more conveniently and quickly;

[0012] The clamping component of the first cylinder seat is used to clamp one end of the special-shaped piston product, and the clamping component of the second cylinder seat is used to clamp the other end of the special-shaped piston product. Under multiple clamping, it is more comprehensive and stable and will not easily affect the processing operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 This is a schematic diagram of the overall structure of this embodiment;

[0015] Figure 2 This is a schematic diagram highlighting the internal structure of the fixture in this embodiment;

[0016] Figure 3 This is a schematic diagram highlighting the structure of the processed product in this embodiment;

[0017] Figure 4 This is a schematic diagram highlighting the internal structure of the second oil cylinder seat in this embodiment;

[0018] Figure 5 This is a schematic diagram highlighting the internal structure of the first oil cylinder seat in this embodiment;

[0019] Figure 6 This is a schematic diagram highlighting the oil circuit of the substrate in this embodiment.

[0020] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0021] 1. Base plate; 2. First cylinder seat; 3. Second cylinder seat; 4. First oil chamber; 5. Second oil chamber; 6. First piston; 7. Auxiliary pin; 8. Second piston; 9. Tapered disk; 10. Spring jacket; 11. Piston base; 12. First oil inlet; 13. Second oil inlet; 14. Oil outlet. DETAILED DESCRIPTION

[0022] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-6 The utility model provides a technical solution: a hollow hydraulic movable spring collet, comprising: a base plate 1; a plurality of clamping mechanisms are sequentially arranged on the outer wall of the base plate 1, the clamping mechanism comprising a first cylinder seat 2 and a second cylinder seat 3 fixed to the outer wall of the base plate 1, a first oil chamber 4 is opened at one end of the first cylinder seat 2, a first piston 6 slides in the first oil chamber 4, an auxiliary pin 7 matching the first piston 6 is fixed to the outer wall of the first cylinder, a second oil chamber 5 is opened at one end of the second cylinder seat 3, a second piston 8 slides in the second oil chamber 5, a spring collet 10 is fixed to one end of the second piston 8, a tapered disc 9 is fixed to one end of the second cylinder seat 3, a tapered through hole is opened at the center of the tapered disc 9, and the tightening end of the spring collet 10 is tapered and plugged into the tapered through hole of the tapered disc 9;

[0024] The base plate 1 can be equipped with multiple clamping mechanisms to perform clamping operations simultaneously. The hydraulic oil introduced into the base plate 1 is connected through the first oil chamber 4 of the first cylinder seat 2 to assist the movement of the first piston 6, and cooperate with the auxiliary pin 7 to clamp the special-shaped piston product. The hydraulic oil of the base plate 1 is then connected through the second oil chamber 5 of the second cylinder seat 3 to assist the movement of the second piston 8, and cooperate with the tapered disk 9 to control the tightening of the spring sleeve 10 to also clamp one end of the special-shaped piston product.

[0025] Preferably, a first oil inlet 12, a second oil inlet 13 and an oil outlet 14 are respectively provided in the base plate 1, and an oil inlet and an oil outlet connected to the first oil chamber 4 are respectively provided at the bottom of the first cylinder seat 2. The oil inlet of the first oil chamber 4 is connected to the first oil inlet 12, and the oil outlet of the first oil chamber 4 is connected to the oil outlet 14.

[0026] The first oil inlet 12, the second oil inlet 13 and the oil outlet 14 of the substrate 1 are all connected to the external hydraulic control equipment to ensure the smooth circulation of the hydraulic oil and control the operation of the multiple clamping mechanisms of the substrate 1. The first cylinder seat 2 in the clamping mechanism is provided with an auxiliary oil inlet and oil outlet for the first oil chamber 4 to ensure the smooth circulation of the hydraulic oil from the oil circuit of the substrate 1 in the first oil chamber 4.

[0027] Preferably, an oil inlet and an oil outlet connected to the second oil chamber 5 are respectively opened on the top of the second oil cylinder seat 3, the oil inlet of the second oil chamber 5 is connected to the second oil inlet passage 13, and the oil outlet of the second oil chamber 5 is connected to the oil outlet passage 14;

[0028] The second oil cylinder seat 3 in the clamping mechanism is provided with an auxiliary oil inlet and an oil outlet for the second oil chamber 5 to ensure smooth circulation of the hydraulic oil from the oil circuit of the base plate 1 in the second oil chamber 5 .

[0029] Preferably, a common operating opening is opened between the first cylinder seat 2, the second cylinder seat 3, the base plate 1, the second piston 8 and the spring jacket 10;

[0030] The working openings provided on the first cylinder seat 2, the second cylinder seat 3, the base plate 1, the second piston 8 and the spring jacket 10 facilitate the insertion of the special-shaped piston product and assist in the clamping operation thereof.

[0031] Preferably, a piston base 11 is detachably provided at one end of the first oil chamber 4;

[0032] One end of the first oil chamber 4 is an open port, which is usually blocked by a piston base 11 fixed by bolts. The first piston 6 can be disassembled for cleaning and maintenance.

[0033] A specific application of this embodiment is: multiple fixtures are installed at the same time through the base plate 1, and the base plate 1 can be further installed on the CNC rotating shaft of the CNC machining center and externally connected to a hydraulic control device to drive the fixture and the clamped product to move for auxiliary processing, and the base plate 1 ensures that the first oil chamber 4 of the first cylinder seat 2 and the second oil chamber 5 of the second cylinder seat 3 are hydraulically circulated through the first oil inlet line 12, the second oil inlet line 13 and the oil outlet line 14 in the installed fixture, respectively pushing the first piston 6 and the second piston 8 to move, and the special-shaped piston product can be inserted between the first cylinder seat 2, the second cylinder seat 3, the base plate 1 and the spring sleeve 10. The first piston 6 in the first cylinder seat 2 is mainly used for angular positioning and to cooperate with the auxiliary pin 7 to clamp the product, while the spring sleeve 10 in the second cylinder seat 3 moves with the second piston 8, so that the collecting end of the spring sleeve 10 penetrates deeper into the tapered opening of the tapered disk 9, and is slowly tightened after being squeezed, thereby achieving the purpose of stably clamping the upper and lower ends of the special-shaped piston product in two steps.

[0034] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "two ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0035] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Hollow hydraulic movable spring jacket, characterized in that, include: A base plate (1); the outer wall of the base plate (1) is sequentially provided with a plurality of clamping mechanisms, the clamping mechanisms comprising a first oil cylinder seat (2) and a second oil cylinder seat (3) fixed to the outer wall of the base plate (1); a first oil chamber (4) is provided at one end of the first oil cylinder seat (2); a first piston (6) slides in the first oil chamber (4); an auxiliary pin (7) matched with the first piston (6) is fixed on the outer wall of the first oil cylinder; a second oil chamber (5) is provided at one end of the second oil cylinder seat (3); a second piston (8) slides in the second oil chamber (5); a spring jacket (10) is fixed at one end of the second piston (8); a tapered disc (9) is fixed at one end of the second oil cylinder seat (3); a tapered opening is provided at the center of the tapered disc (9); the tightening end of the spring jacket (10) is tapered and plugged into the tapered opening of the tapered disc (9).

2. The hollow hydraulic movable spring jacket according to claim 1, characterized in that: A first oil inlet (12), a second oil inlet (13) and an oil outlet (14) are respectively provided in the base plate (1); an oil inlet and an oil outlet connected to the first oil chamber (4) are respectively provided at the bottom of the first oil cylinder seat (2); the oil inlet of the first oil chamber (4) is connected to the first oil inlet (12), and the oil outlet of the first oil chamber (4) is connected to the oil outlet (14).

3. The hollow hydraulic movable spring jacket according to claim 2, characterized in that: An oil inlet and an oil outlet connected to the second oil chamber (5) are respectively provided on the top of the second oil cylinder seat (3); the oil inlet of the second oil chamber (5) is connected to the second oil inlet path (13); and the oil outlet of the second oil chamber (5) is connected to the oil outlet path (14).

4. The hollow hydraulic movable spring jacket according to claim 1, characterized in that: A common operating opening is provided between the first oil cylinder seat (2), the second oil cylinder seat (3), the base plate (1), the second piston (8) and the spring jacket (10).

5. The hollow hydraulic movable spring jacket according to claim 1, characterized in that: A detachable piston base (11) is provided at one end of the first oil chamber (4).

Images