Firm clamping jaw structure capable of clamping conical surface

Abstract

The utility model belongs to the technical field of clamping jaw structures, and discloses a firm clamping jaw structure capable of clamping a conical surface, which comprises a chuck, the front side and the rear side of the top of the chuck are movably connected with mounting plates, and the front side and the rear side of the top of each mounting plate are movably connected with screws. Through the arrangement of the mounting plate, the screw, the limiting plate, the limiting groove and the movable block, due to the design of the limiting plate, the limiting plate is matched with the limiting groove to achieve a good limiting effect on the movable block, then the clamping jaw can move more stably, an operator rotates the screw at the moment, the screw leaves the interior of the chuck and the interior of the mounting plate at the same time, and the working efficiency is improved. At the moment, the fixing effect between the mounting plate and the chuck is relieved, at the moment, the operator moves the mounting plate, the mounting plate drives the limiting plate to leave the chuck and the outer portion of the movable block, at the moment, the operator can dismount the limiting plate, and meanwhile dismounting of the clamping jaw is also facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of clamping jaw structures, and particularly relates to a jaw structure that can clamp a conical surface firmly. Background Art

[0002] A jaw is a part in a chuck or a machine tool accessory used to hold and clamp a workpiece in a mechanical structure.

[0003] At the current stage, when operating personnel process metal devices, they usually use relevant clamping jaws. The operating personnel often use the jaws to clamp and fix the metal devices, and then rotate the devices to polish them. At present, when the operating personnel actually use the jaws, they need to first expand the distance between the jaws. When the device enters between the jaws, the distance between the jaws can be reduced to fix the device. Friction will occur during the movement of the jaws. Over time, the friction will damage the jaws, making the movement of the jaws unstable during later processing. Therefore, it needs to be improved. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the above problems. The utility model provides a jaw structure that can clamp a conical surface firmly and has the advantage of stable movement.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A jaw structure that can clamp a conical surface firmly, including a chuck. Both the front and rear sides of the top of the chuck are movably connected with mounting plates. Both the front and rear sides of the top of the mounting plate are movably connected with screws. The other end of the screw penetrates through the mounting plate and extends into the interior of the chuck. The outer surface of the screw is threadedly sleeved with the interior of the chuck. A limiting plate is fixedly installed on the inner side of the mounting plate. A limiting groove is opened on the left side of the limiting plate. An active block is movably connected in the inner cavity of the limiting groove.

[0006] Preferably, an inner side of the active block is fixedly connected with a jaw, and a bottom of the jaw is movably connected with the top of the chuck.

[0007] Preferably, a fixing block is fixedly installed on the inner side of the jaw, and an outer surface of the fixing block is smooth.

[0008] Preferably, a clamping block is movably connected to the outer surface of the fixing block, and an outer surface of the clamping block is rough.

[0009] Preferably, mounting frames are fixedly installed on both the left and right sides of the top of the jaw, and a rectangular plate is fixedly installed on the front of the mounting frame.

[0010] Preferably, a clamping plate is movably connected to the inner side of the rectangular plate. The other end of the clamping plate extends into the fixing block, and the outer surface of the clamping plate is movably connected to the inside of the clamping block and the fixing block respectively.

[0011] Preferably, a pulling block is fixedly installed on the front surface of the clamping plate, and the shape of the pulling block is rectangular.

[0012] Preferably, a connecting plate is fixedly connected to the top of the inner side of the rectangular plate. A spring is fixedly installed at the bottom of the connecting plate, and the other end of the spring is fixedly connected to the top of the clamping plate.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. By providing the mounting plate, screws, limiting plate, limiting groove and movable block, due to the design of the limiting plate, the limiting plate will cooperate with the limiting groove to have a good limiting effect on the movable block, so that the clamping claws can move more stably. At this time, the operator rotates the screws, and the screws will simultaneously leave the inside of the chuck and the mounting plate. At this time, the fixing effect between the mounting plate and the chuck will be released. At this time, the operator moves the mounting plate, and the mounting plate will drive the limiting plate to leave the outside of the chuck and the movable block. At this time, the operator can disassemble the limiting plate, and at the same time, it is also convenient to disassemble the clamping claws.

[0015] 2. By providing the fixing block, rectangular plate, clamping plate, pulling block and spring, due to the design of the clamping block, the clamping block can clamp the metal device. At this time, the operator pulls the pulling block, and the pulling block will make the clamping plate move upward under the limitation of the rectangular plate. At this time, the clamping plate will exert a squeezing force on the spring. At this time, the clamping plate will simultaneously leave the inside of the clamping block and the fixing block. At this time, the fixing relationship between the clamping block and the fixing block will be released. At this time, the operator can replace the clamping block, so as to better improve the clamping quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] Figure 2 is a schematic cross-sectional structural diagram of the top of the present utility model;

[0018] Figure 3 is a schematic cross-sectional structural diagram of the side of the present utility model;

[0019] Figure 4 is a schematic cross-sectional structural diagram of the clamping claw of the present utility model;

[0020] Figure 5 is Figure 4 a partial enlarged structural diagram at A in

[0021] In the figure: 1, chuck; 2, mounting plate; 3, screw; 4, limiting plate; 5, limiting groove; 6, movable block; 7, claw; 8, fixed block; 9, clamping block; 10, mounting bracket; 11, rectangular plate; 12, clamping plate; 13, pulling block; 14, connecting plate; 15, spring. Specific implementation mode

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0023] As Figures 1 to 5 shown, the present invention provides a claw structure that can clamp a conical surface firmly, including a chuck 1. Both the front and rear sides of the top of the chuck 1 are movably connected with mounting plates 2. Both the front and rear sides of the top of the mounting plate 2 are movably connected with screws 3. The other end of the screw 3 penetrates through the mounting plate 2 and extends into the inside of the chuck 1. The outer surface of the screw 3 is threadedly sleeved with the inside of the chuck 1. A limiting plate 4 is fixedly installed on the inner side of the mounting plate 2. A limiting groove 5 is opened on the left side of the limiting plate 4. The inner cavity of the limiting groove 5 is movably connected with a movable block 6.

[0024] The operator first rotates the screw 3. At this time, the screw 3 will leave the inside of the chuck 1 and the mounting plate 2. At this time, the fixed relationship between the mounting plate 2 and the chuck 1 will be released. At this time, the operator can disassemble the mounting plate 2 and the limiting plate 4 to the outside of the chuck 1. Due to the design of the limiting plate 4, the limiting plate 4 will cooperate with the limiting groove 5 to have a good limiting effect on the movable block 6.

[0025] Refer to Figures 1 to 5 , a claw 7 is fixedly connected to the inner side of the movable block 6. The bottom of the claw 7 is movably connected with the top of the chuck 1.

[0026] As a technical optimization scheme of the present invention, when the claw 7 moves, at this time, the claw 7 will cause the movable block 6 to move simultaneously.

[0027] Refer to Figure 2 and Figure 5 , a fixed block 8 is fixedly installed on the inner side of the claw 7. The outer surface of the fixed block 8 is smooth.

[0028] As a technical optimization scheme of the present invention, when the claws 7 move towards each other, at this time, the fixed blocks 8 will also move towards each other.

[0029] Refer to Figures 1 to 5, the outer surface of the fixed block 8 is movably connected with a clamping block 9, and the outer surface of the clamping block 9 is rough.

[0030] As a technical optimization scheme of the present utility model, due to the design of the clamping block 9, the clamping block 9 will have a clamping effect on the device.

[0031] Reference Figure 1 , Figure 3 and Figure 5 , mounting brackets 10 are fixedly installed on both the left and right sides of the top of the claw 7, and a rectangular plate 11 is fixedly installed on the front of the mounting brackets 10.

[0032] As a technical optimization scheme of the present utility model, due to the design of the mounting brackets 10, the mounting brackets 10 will have a good fixing effect on the rectangular plate 11.

[0033] Reference Figure 2 and Figure 5 , a clamping plate 12 is movably connected to the inner side of the rectangular plate 11, the other end of the clamping plate 12 extends into the fixed block 8, and the outer surface of the clamping plate 12 is movably connected to the inner part of both the clamping block 9 and the fixed block 8.

[0034] As a technical optimization scheme of the present utility model, due to the design of the clamping plate 12, the clamping plate 12 will fix the clamping block 9 and the fixed block 8 together.

[0035] Reference Figure 3 and Figure 5 , a pulling block 13 is fixedly installed on the front of the clamping plate 12, and the shape of the pulling block 13 is rectangular.

[0036] As a technical optimization scheme of the present utility model, when an operator pulls the pulling block 13, at this time the pulling block 13 will cause the clamping plate 12 to move upward.

[0037] Reference Figure 5 , a connecting plate 14 is fixedly connected to the top of the inner side of the rectangular plate 11, a spring 15 is fixedly installed at the bottom of the connecting plate 14, and the other end of the spring 15 is fixedly connected to the top of the clamping plate 12.

[0038] As a technical optimization scheme of the present utility model, when the clamping plate 12 moves upward, at this time the clamping plate 12 will exert a squeezing force on the spring 15.

[0039] The working principle and usage process of the present utility model:

[0040] When the operator needs to replace the clamping block 9, pull the pulling block 13 at this time. The pulling block 13 will cause the clamping plate 12 to move smoothly upward under the limit of the rectangular plate 11. At this time, the clamping plate 12 will exert an extrusion force on the spring 15 and at the same time leave the inside of the clamping block 9 and the fixed block 8. At this time, the fixing relationship between the clamping block 9 and the fixed block 8 will be released, and the operator can replace the clamping block 9 at this time.

[0041] When the operator needs to repair the claw 7, turn the screw 3 at this time. The screw 3 will leave the inside of the chuck 1 and the mounting plate 2. At this time, the fixing effect between the chuck 1 and the mounting plate 2 will be released. At this time, the operator moves the mounting plate 2, and the mounting plate 2 will drive the limiting plate 4 to move to the outside of the chuck 1 and the movable block 6. At this time, the operator can move the claw 7 and repair the claw 7.

[0042] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0043] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A chuck structure that can grip a conical surface firmly, including a chuck (1), characterized in that: Both the front and rear sides of the top of the chuck (1) are movably connected with mounting plates (2). Both the front and rear sides of the top of the mounting plate (2) are movably connected with screws (3). The other end of the screw (3) penetrates through the mounting plate (2) and extends into the interior of the chuck (1). The outer surface of the screw (3) is threadedly sleeved with the interior of the chuck (1). A limiting plate (4) is fixedly installed on the inner side of the mounting plate (2). A limiting groove (5) is formed on the left side of the limiting plate (4). An active block (6) is movably connected to the inner cavity of the limiting groove (5).

2. The clamping jaw structure capable of clamping a conical surface firmly according to claim 1, wherein: An inner side of the active block (6) is fixedly connected with a claw (7). The bottom of the claw (7) is movably connected to the top of the chuck (1).

3. The clamping jaw structure capable of clamping a conical surface firmly according to claim 2, characterized in that: A fixed block (8) is fixedly installed on the inner side of the claw (7). The outer surface of the fixed block (8) is smooth.

4. A clamping jaw structure capable of clamping a conical surface firmly according to claim 3, characterized in that: The outer surface of the fixed block (8) is movably connected with a clamping block (9). The outer surface of the clamping block (9) is rough.

5. A clamping jaw structure capable of clamping a conical surface firmly, as claimed in claim 2, wherein: Mounting frames (10) are fixedly installed on both the left and right sides of the top of the claw (7). A rectangular plate (11) is fixedly installed on the front of the mounting frame (10).

6. The clamping jaw structure capable of clamping a conical surface firmly according to claim 5, characterized in that: A clamping plate (12) is movably connected to the inner side of the rectangular plate (11). The other end of the clamping plate (12) extends into the interior of the fixed block (8). The outer surface of the clamping plate (12) is movably connected to the interior of both the clamping block (9) and the fixed block (8).

7. A clamping jaw structure capable of clamping a conical surface firmly, as claimed in claim 6, wherein: A pulling block (13) is fixedly installed on the front of the clamping plate (12). The shape of the pulling block (13) is rectangular.

8. A clamping jaw structure capable of clamping a conical surface firmly, as claimed in claim 5, wherein: A connecting plate (14) is fixedly connected to the top of the inner side of the rectangular plate (11). A spring (15) is fixedly installed at the bottom of the connecting plate (14). The other end of the spring (15) is fixedly connected to the top of the clamping plate (12).

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