Clamping device for machining

Abstract

The utility model relates to the technical field of machining clamping, in particular to a clamping device for machining, which comprises a base and a support plate, the base is rotatably connected with a rotating shaft, the rotating shaft is rotatably connected with the support plate, the support plate is provided with a plurality of notches, a plurality of toothed plates are slidably connected in the notches, and the toothed plates are rotatably connected with the rotating shaft. The end sides of the toothed plates are fixedly connected with a connecting frame, a mounting plate is fixed to the end side of the connecting frame, and a clamping ring is detachably mounted on the end side of the mounting plate. By means of a transmission structure of the gears and the toothed plates, the four clamping rings can be driven to move rapidly and synchronously, the positions of the clamping rings can be adjusted accurately, machined parts of different sizes can be surrounded rapidly, and rapid preliminary positioning is achieved. The clamping efficiency is greatly improved, the preparation time before machining is shortened, the overall machining efficiency is improved, the device is suitable for batch machining of machined parts of different sizes and specifications, the clamping rings are convenient to replace, and the flexibility of the device for meeting different machining requirements is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to machining clamping technical field especially relates to a clamping device for machining. BACKGROUND

[0002] In the mechanical processing industry, accurate and stable clamping of various workpieces is the basis for ensuring processing precision and quality. With the rapid development of manufacturing industry, the complexity and diversity of mechanical processing are increasing, and higher requirements are put forward for the performance of clamping devices.

[0003] Most of the traditional clamping devices on the market rely on manual operation to adjust the clamping parts, and the adjustment process is complex and time-consuming. When facing different size specifications of workpieces, it is difficult to quickly adjust to the appropriate clamping position and force, and it is impossible to realize the synchronous driving of multiple clamping parts, resulting in long preparation time before processing, especially when processing different size specifications of workpieces in batches, which seriously affects the overall processing efficiency. And the clamping device is mostly designed for specific shape and size of workpiece, when different specifications of workpiece need to be processed, lack of convenient clamping ring replacement or adjustment method, not only increases the equipment cost, but also reduces the use flexibility of the equipment. SUMMARY

[0004] The utility model aims at solving the problem that the clamping device in the prior art is not convenient for synchronous driving to clamp workpieces of different specifications, and is only suitable for workpieces of specific shape, and proposes a clamping device for machining.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A clamping device for machining, comprising a base and a support plate, the base is rotatably connected with a rotating shaft, the rotating shaft is rotatably connected with the support plate, a plurality of notches are formed in the support plate, a plurality of toothed plates are slidably connected in the notches, a plurality of connecting frames are fixedly connected with the end side of the toothed plates, an installation plate is fixed on the end side of the connecting frame, and a clamping ring is detachably installed on the end side of the installation plate.

[0007] Further comprising:

[0008] A driving member is arranged for driving the rotating shaft to rotate.

[0009] A transmission member is arranged for driving the plurality of toothed plates to move horizontally synchronously.

[0010] A dismounting member is arranged for facilitating the dismounting and mounting of the clamping ring.

[0011] Preferably, the driving member comprises:

[0012] An installation frame is fixed on the base.

[0013] A motor is fixed on the mounting frame, and a motor output end is fixedly connected with the rotating shaft.

[0014] Preferably, the transmission member comprises:

[0015] A gear is fixedly sleeved on the rotating shaft.

[0016] Preferably, four toothed plates are circumferentially arranged on the gear, and each of the four toothed plates is in mesh with the gear.

[0017] Preferably, guide strips are arranged on opposite sides of inner walls of the base and the support plate to facilitate horizontal sliding of the plurality of toothed plates.

[0018] Preferably, the dismounting member comprises:

[0019] A first screw hole is formed in the mounting plate.

[0020] A second screw hole is formed in the clamping ring.

[0021] A screw is threadedly connected to the first screw hole and the second screw hole.

[0022] A nut is threadedly connected to the screw.

[0023] Preferably, the first screw hole and the second screw hole are located at the same position.

[0024] Preferably, the first screw hole and the second screw hole are internally provided with external threads matched with the screw.

[0025] Preferably, the nut is in close contact with the side wall of the clamping ring.

[0026] Preferably, the inner wall of the clamping ring is provided with a buffer pad.

[0027] Compared with the prior art, the utility model has the following advantages:

[0028] 1. The utility model drives the rotating shaft by the motor, utilizes the transmission structure of the gear and the toothed plate, can quickly and synchronously drive the four clamping rings to move, can accurately adjust the clamping ring position, rapidly surrounds the workpieces of different sizes, and realizes the quick preliminary positioning. This greatly improves the clamping efficiency, reduces the preparation time before machining, improves the overall machining efficiency, and is suitable for batch machining of workpieces of different sizes.

[0029] 2、The utility model discloses a clamping ring and mounting plate are connected through the dismounting spare of screw and nut, can easily fix the clamping ring on the mounting plate after completing the preliminary positioning of the workpiece, when needing to replace the workpiece or adjusting the clamping ring, unscrewing the nut, taking out the screw can conveniently dismount the clamping ring. This design not only is convenient for replacing the clamping ring, still improved the flexibility of device response different processing demand, reduced the use cost of equipment, improved the versatility and practicality of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 The utility model discloses a kind of overall structure schematic diagram of clamping device for machining proposed by the utility model;

[0031] Figure 2 The utility model discloses a kind of driving member, base and support plate etc. component connection structure schematic diagram of clamping device for machining proposed by the utility model;

[0032] Figure 3 The utility model discloses a kind of dismounting spare structure schematic diagram of clamping device for machining proposed by the utility model;

[0033] Figure 4 The utility model discloses a kind of transmission member structure schematic diagram of clamping device for machining proposed by the utility model.

[0034] In the drawing:

[0035] 1, base;2, rotating shaft;21, mounting frame;22, motor;3, support plate;31, recess;4, toothed plate;41, gear;5, connecting frame;6, mounting plate;61, first screw hole;7, clamping ring;71, screw;72, nut;73, second screw hole. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments.

[0037] Referring to Figures 1-4 A kind of clamping device for machining, including base 1 and support plate 3, the upper rotating connection of base 1 has rotating shaft 2, rotating shaft 2 is rotatably connected with support plate 3, multiple recesses 31 are set up on support plate 3, multiple recesses 31 are slidably connected with multiple toothed plates 4, multiple toothed plates 4 end side are fixedly connected with connecting frame 5, the end side of connecting frame 5 is fixed with mounting plate 6, mounting plate 6 end side is detachably installed with clamping ring 7;

[0038] A kind of clamping device for machining also includes driving member, transmission member and dismounting spare.

[0039] The driving member is used for driving the rotation of the rotating shaft 2, and comprises a mounting frame 21 and a motor 22, the mounting frame 21 is fixed on the base 1, the motor 22 is fixed on the mounting frame 21, and the output end of the motor 22 is fixedly connected with the rotating shaft 2. The mounting frame 21 is firmly fixed on the base 1, thereby providing stable support for the motor 22. The motor 22 serves as a power source, and the output end thereof is fixedly connected with the rotating shaft 2. The connecting mode can efficiently transmit the rotating power of the motor 22 to the rotating shaft 2, thereby ensuring the stable rotation of the rotating shaft 2.

[0040] The transmission member is used for driving the synchronous horizontal movement of the plurality of toothed plates 4, and comprises a gear 41, the gear 41 is fixedly sleeved on the rotating shaft 2, four toothed plates 4 are circumferentially arranged around the gear 41, and the four toothed plates 4 are all in meshing connection with the gear 41. The fixed sleeving mode of the gear 41 and the rotating shaft 2 ensures the synchronous rotation of the two. The circumferential arrangement of the four toothed plates 4 around the gear 41 and the meshing connection of the four toothed plates 4 with the gear 41 enable the gear 41 to drive the synchronous horizontal movement of the four toothed plates 4 when the gear 41 rotates, thereby realizing the accurate adjustment of the position of the clamping ring 7 and adapting to the clamping requirements of workpieces of different sizes.

[0041] The dismounting member facilitates the dismounting and mounting of the clamping ring 7, and comprises a first screw hole 61, a second screw hole 73, a screw 71 and a nut 72, the first screw hole 61 is formed in the mounting plate 6, the second screw hole 73 is formed in the clamping ring 7, the screw 71 is threadedly connected with the first screw hole 61 and the second screw hole 73, the nut 72 is threadedly connected with the screw 71, the first screw hole 61 is located at the same position as the second screw hole 73, and the first screw hole 61 and the second screw hole 73 are internally provided with external threads which are threadedly matched with the screw 71.

[0042] The nut 72 is in abutment with the side wall of the clamping ring 7, and the inner wall of the clamping ring 7 is provided with a buffer pad.

[0043] The inner walls of the base 1 and the supporting plate 3 are oppositely provided with guide strips facilitating the horizontal sliding of the plurality of toothed plates 4. During the movement of the toothed plates 4, the guide strips on the opposite sides of the inner walls of the base 1 and the supporting plate 3 can guide the toothed plates 4, thereby limiting the movement direction of the toothed plates 4 and enabling the toothed plates 4 to only slide in the horizontal direction, so that the stability and reliability of the device are effectively improved, and the horizontal stable sliding of the toothed plates 4 is ensured. Since the technical scheme belongs to the prior art, no detailed description is given.

[0044] It should be noted that the specific type and specification of the motor 22 need to be selected and determined according to the actual specification of the device, and the specific selection and calculation method adopts the existing technology in the field, so no detailed description is given.

[0045] The function principle of the device can be described through the following operation modes:

[0046] When the workpiece needs to be clamped, the motor 22 is started, the motor 22 drives the rotating shaft 2 to rotate, the gear 41 rotates with the rotating shaft 2, the four toothed plates 4 are driven to move horizontally synchronously with the rotation of the gear 41, the movement of the toothed plates 4 drives the connecting frame 5 and the mounting plate 6 to move, and then the mounting plate 6 drives the clamping ring 7 on the end side of the mounting plate 6 to move, the position of the clamping ring 7 is adjusted to surround the workpiece, and the workpiece is preliminarily positioned. Then, the clamping ring 7 to be used is attached to the mounting plate 6, then the screw 71 passes through the first screw hole 61 and the second screw hole 73, and then the nut 72 is tightened, so that the clamping ring 7 is fixed on the mounting plate 6, and the clamping of the workpiece is completed. When the workpiece needs to be replaced or the clamping ring 7 needs to be adjusted, the nut 72 is unscrewed, the screw 71 is taken out, and then the clamping ring 7 can be disassembled from the mounting plate 6 for replacement or adjustment.

[0047] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A clamping device for machining comprising a base (1) and a support plate (3), characterized in that, The upper rotating connection of the base (1) has a rotating shaft (2), the rotating shaft (2) is rotatably connected with the support plate (3), a plurality of notches (31) are formed on the support plate (3), a plurality of toothed plates (4) are slidably connected in the plurality of notches (31), a plurality of connecting frames (5) are fixedly connected to the end side of the plurality of toothed plates (4), an installation plate (6) is fixed to the end side of the connecting frame (5), and a clamping ring (7) is detachably installed on the end side of the installation plate (6). Also includes: A driving member for driving the rotating shaft (2) to rotate; A transmission member for driving a plurality of toothed plates (4) to move horizontally synchronously; A dismounting member for facilitating the dismounting of the clamping ring (7).

2. The clamping device for machining according to claim 1, characterized in that The driving member includes: An installation frame (21) fixed on the base (1); A motor (22) fixed on the installation frame (21), and the output end of the motor (22) is fixedly connected with the rotating shaft (2).

3. The clamping device for machining according to claim 1, characterized in that The transmission member includes: A gear (41) fixedly sleeved on the rotating shaft (2).

4. The clamping device for machining according to claim 3, characterized in that The toothed plates (4) are circumferentially distributed around the gear (41) and are circumferentially distributed around the gear (41).

5. A clamping device for machining according to claim 4, characterized in that The base (1) and the inner wall of the support plate (3) are provided with guide strips on opposite sides for horizontal sliding of the plurality of toothed plates (4).

6. The holding device for machining according to claim 4, characterized in that The dismounting member includes: A first screw hole (61) formed on the installation plate (6); A second screw hole (73) formed on the clamping ring (7); A screw (71) threadedly connected in the first screw hole (61) and the second screw hole (73); A nut (72) threadedly connected with the screw (71).

7. A clamping device for machining according to claim 6, characterized in that The first screw hole (61) and the second screw hole (73) are located at the same position.

8. A clamping device for machining according to claim 7, characterized in that The first screw hole (61) and the second screw hole (73) are provided with external threads for threadedly cooperating with the screw (71).

9. A clamping device for machining according to claim 8, characterized in that The nut (72) is attached to the side wall of the clamping ring (7).

10. The holding device for machining according to claim 1, characterized in that The inner wall of the clamping ring (7) is provided with a buffer pad.

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