CN218947428U - Fixtures for special-shaped parts processing - Google Patents

Abstract

The utility model discloses a fixture for processing special-shaped pieces, which comprises: a placing rack; the mounting seat is fixed on the side wall of the rack, and the mounting seat further comprises a first self-adaptive clamping assembly arranged on the mounting seat, and is matched with the rack for clamping the special-shaped piece; the elastic contact assembly is arranged at the end part of each transmission strip far away from the transmission block and is used for abutting against the outer wall of the special-shaped piece. According to the utility model, due to the characteristic that the two transmission bars can be adaptively adjusted, the elastic contact assemblies arranged at the end parts of the transmission bars can be contacted with the side walls of the special-shaped pieces so as to adapt to different types of special-shaped pieces, so that the adaptation range is increased, and due to the structure and the material characteristics of the elastic contact assemblies, the elastic contact assemblies can be tightly attached to the surfaces of the special-shaped pieces, the clamping stability is improved, and the damage to the surfaces of the special-shaped pieces can be effectively prevented.

Description

Fixtures for special-shaped parts processing

technical field

The utility model relates to the technical field of fixtures, in particular to a fixture for processing special-shaped parts.

Background technique

The special-shaped parts are mainly the parts that the country has not formulated strict standards and specifications, and there are no relevant strict parameter regulations. The customized parts are controlled by the enterprise itself. , and there is no standard classification at present, so the existing traditional clamps have a low application range for clamping special-shaped parts, and the stability is not enough, and when the clamping force is too large, it is easy to cause damage to the surface of the special-shaped parts.

Utility model content

The purpose of this utility model is to provide a fixture for processing special-shaped parts. Due to the adaptability of the two transmission bars, the elastic contact components provided at the end of the drive bar can be in contact with the side walls of the special-shaped parts to adapt to different Type of special-shaped parts, thus improving the scope of adaptation, and through the structure and material characteristics of the elastic contact components, on the one hand, it can be closely attached to the surface of the special-shaped parts, improving the stability of the clamping, on the other hand, it can effectively Prevent damage to the surface of special-shaped parts.

In order to achieve the above purpose, the utility model provides the following technical solutions: a fixture for processing special-shaped parts, including: a placement frame; The adaptive clamping assembly is matched with the placement frame for the clamping of special-shaped parts; the first adaptive clamping assembly assembly includes a movable frame arranged on the mounting seat, and is arranged on the movable frame and can The transmission block that slides inside the limit groove opened on its side wall also includes two slide rails fixed on the movable frame, the opposite ends of the two slide rails are respectively opened with slide grooves, and are arranged on each The transmission bar inside the chute is slidable, and the inclined plane where the two driving bars are located is adapted to the inclined plane where the transmission block is located; it also includes an elastic contact assembly arranged at the end of each of the transmission bars away from the transmission block, for conflicting The outer wall of the shaped part.

Preferably, each set of elastic contact assemblies includes a first movable rod that is arranged inside the transmission bar and can move telescopically, and a first clamping block that is fixed on the end of the first movable rod near the end of the placement frame, and also includes The first spring arranged between the first clamping block and the transmission bar and sheathed on the outer wall of the first movable rod is used for resetting the first movable rod.

Preferably, the mounting base is also provided with a screw transmission assembly for the operation of the first self-adaptive clamping assembly; the screw transmission assembly includes a screw threaded through the threaded hole opened on the vertical section of the mounting base and screwed to it One end of the screw body is rotatably connected to the movable frame, and the other end is fixed with a first handle, which is convenient for rotating the screw body.

Preferably, a limiting assembly is also provided on the horizontal section of the placing frame, for limiting the front and rear direction of the special-shaped piece; the limiting assembly includes a mounting groove opened on the placing frame, and a There are two sliding blocks that can be limited and moved inside the installation groove, and the top of each slider is fixed with a limit column for the front and rear limit of the special-shaped parts; it also includes a transmission rod arranged inside the installation groove. Both ends of the transmission rod are respectively provided with external threads with opposite helical directions, and the external threads are threadedly connected with the through hole where the slider is located.

Preferably, the end of the transmission rod is also fixed with a connecting rod, and the connecting rod passes through the slot provided on the side wall of the placing frame and is fixed with a second handle.

Preferably, several groups of second self-adaptive clamping components are also provided on the vertical section of the placement frame, which cooperate with the first self-adaptive clamping components for clamping and fixing special-shaped parts; each group of the second self-adaptive clamping components The adaptive clamping assembly includes several clamping head structures arranged on the side wall of the placement frame; each group of clamping head structures includes a piston sleeve arranged on the side wall of the placement frame, and is arranged inside the piston sleeve and is retractable. The second moving rod that moves, one end of the second moving rod is fixed with a piston plate, and the other end passes through the mounting hole provided on the side wall of the piston sleeve and is fixed with a second clamping block, and also includes a connection between the piston sleeve and the The second spring on the outer wall of the second movable rod between the second clips is used for the reset of the second movable rod; Through the through hole provided on the side wall of the placement frame, it communicates with the piston sleeves where the clamping head structures are located.

Compared with the prior art, the beneficial effects of the utility model are as follows:

Due to the adaptability of the two transmission strips, the utility model can make the elastic contact components arranged at the end of the transmission strips all contact with the side walls of the special-shaped parts, so as to adapt to different types of special-shaped parts, thereby improving the adaptation range. And through the structure and material characteristics of the elastic contact component, on the one hand, it can be closely attached to the surface of the special-shaped part, improving the stability of clamping, and on the other hand, it can effectively prevent damage to the surface of the special-shaped part.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the first viewing angle of the utility model;

Fig. 2 is a schematic diagram of the stereoscopic structure of the second viewing angle of Fig. 1;

Fig. 3 is a schematic diagram of a three-dimensional structure of a third viewing angle in Fig. 1;

Fig. 4 is a schematic diagram of the stereoscopic structure of the fourth viewing angle in Fig. 1;

Fig. 5 is a front view structural schematic diagram of Fig. 1;

Fig. 6 is a top view structural schematic diagram of Fig. 1;

Fig. 7 is a schematic diagram of the internal disassembly structure of the piston sleeve of the present invention.

In the figure: 1. Placement frame; 2. Installation groove; 3. Slide rail; 4. Transmission bar; 5. Transmission block; 6. Movable frame; 7. Screw body; 8. First handle; 9. Limiting groove; 11. Limiting post; 12. Slider; 13. Second handle; 14. Air duct; 15. First movable rod; 16. First clip; 17. First spring; 18. Piston sleeve; 19. Piston plate; 21, the second spring; 22, the second movable rod; 23, the second clip block; 24, the mounting seat; 25, the transmission rod; 26, the connecting rod.

Detailed ways

In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the present invention. The various embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings.

Example 1

Please refer to Fig. 1 to Fig. 7, the utility model preferably provides the technical solution: the fixture for processing special-shaped parts, including: placing frame 1; The first self-adaptive clamping assembly is used for the clamping of special-shaped parts in cooperation with the placement frame 1; the first self-adaptive clamping assembly assembly includes a movable frame 6 arranged on the mounting seat 24, and is arranged on the movable frame 6 and The transmission block 5 that can slide inside the limit groove 9 provided on its side wall also includes two slide rails 3 fixed on the movable frame 6, and the opposite ends of the two slide rails 3 are provided with slide grooves respectively, and The transmission bar 4 that is arranged inside each chute and can slide, and the inclined plane where the two transmission bars 4 are located is adapted to the inclined plane where the transmission block 5 is located; it also includes an elastic contact arranged at the end of each transmission bar 4 away from the transmission block 5 Components, used to interfere with the outer wall of the profiled part.

Through the function of the set first self-adaptive clamping assembly and the placing frame 1, the special-shaped parts can be limitedly clamped, as shown in Figure 1 specifically, so when it is necessary to limit the clamping of the special-shaped parts, firstly, The special-shaped part is placed on the upper surface of the horizontal section of the placement frame 1, and the movable frame 6 is moved to the direction of the special-shaped part at this time, as shown in Figure 5, that is, running to the right, so that the two transmission bars 4 are moved to the direction of the special-shaped part. Further make the elastic contact assembly at the end of the transmission bar 4 contact with the side wall of the special-shaped part, because the outer wall of the special-shaped part is uneven, and the two transmission bars 4 are adapted to the inclined plane where the transmission block 5 is located, as shown in Figure 6, so when one of them When the transmission strip 4 moves, the transmission block 5 can be pushed to move inside the limit groove 9, and the other transmission strip 4 can be moved adaptively, so as to ensure that the two transmission strips 4 can contact the side wall of the special-shaped part through the elastic contact assembly, In order to better adapt to different special-shaped parts, due to the adaptive adjustment characteristics of the two transmission bars 4, the elastic contact components provided at the ends of the transmission bars 4 can be in contact with the side walls of the special-shaped parts to adapt to different types of parts. special-shaped parts, thus improving the adaptation range, and through the structure and material characteristics of the elastic contact components, on the one hand, it can be closely attached to the surface of the special-shaped parts, improving the stability of the clamping, and on the other hand, it can effectively prevent Damage the surface of shaped parts.

Further, each group of elastic contact assemblies includes a first movable rod 15 arranged inside the transmission bar 4 and capable of telescopic movement, and a first clamping block 16 fixed on the end of the first movable rod 15 near the end of the placement frame 1, and also includes a set The first spring 17 sleeved on the outer wall of the first movable rod 15 between the first clamping block 16 and the transmission bar 4 is used for resetting the first movable rod 15 .

As shown in Figure 1, since the first movable rod 15 can telescopically move inside the transmission bar 4, and the first spring 17 is connected between the transmission bar 4 and the first clamping block 16, as shown in Figure 5, when When the transmission bar 4 approaches the special-shaped part inside the slide rail 3, the first clamping block 16 can contact the side wall of the special-shaped part at this time, and the further movement of the transmission bar 4 can make the first movable rod 15 move toward the inside of the transmission bar 4. Retract, and compress the first spring 17, through the elastic force of the first spring 17, the first clip 16 can be closely attached to the side wall of the special-shaped part, and due to the material characteristics of the first clip 16, that is, the first The clip block 16 is preferably a non-slip elastic material, which can fit the special-shaped piece without damaging the surface of the special-shaped piece. With the adaptability of the two transmission bars 4, it can further adapt to different shapes of special-shaped pieces, and pass the first The material characteristics of the clamp block 16 and the function of the first spring 17, on the one hand, improve the stability of the clamping, and reduce the adverse effect of slipping during the clamping process due to the smooth side wall of the special-shaped part, on the other hand, it can effectively Prevent damage to the surface of special-shaped parts.

Further, the mounting base 24 is also provided with a screw transmission assembly for the operation of the first self-adaptive clamping assembly; the screw transmission assembly includes a screw body 7 that passes through the threaded hole opened on the vertical section of the mounting base 24 and is screwed to it One end of the screw body 7 is rotatably connected to the movable frame 6, and the other end is fixed with a first handle 8, which is convenient for rotating the screw body 7.

Because one end of the screw body 7 is rotationally connected with the movable frame 6, and because the threaded hole on the mounting base 24 is screw connected, as shown in Figure 1, when the first handle 8 is rotated, the screw body 7 can be placed on the mounting base 24. Move, thereby promoting the movable frame 6 to move left and right on the mounting seat 24, as shown in Figure 5, further promote the transmission bar 4 to move left and right inside the slide rail 3, thereby approaching or away from the special-shaped part.

Further, a limit assembly is also provided on the horizontal section of the placement frame 1 for the positioning of the special-shaped parts in the front and rear directions; Two sliders 12 for limit movement, and the top of each slider 12 is fixed with a limit column 11, which is used for the front and rear limit of special-shaped parts; it also includes a transmission rod 25 arranged inside the installation groove 2, and the transmission rod 25 The two ends are respectively provided with external threads with opposite helical directions, and the external threads are threadedly connected with the through hole where the slider 12 is located.

As shown in Figure 6, since the helical directions of the external threads provided at both ends of the transmission rod 25 are opposite, the two sliders 12 placed on the transmission rod 25 can rotate in the same direction or oppositely when the transmission rod 25 rotates, so that their The upper fixed limit posts 11 move at the same time. When it is necessary to limit the front and rear directions of the special-shaped parts, at this time, by rotating the transmission rod 25, the two limit posts 11 are used to limit the front and rear of the special-shaped parts, which is convenient for the first self. Adapt to the clamping assembly and the placement frame 1 to clamp the special-shaped parts in the left and right directions.

Further, the end of the transmission rod 25 is also fixed with a connecting rod 26 , and the connecting rod 26 passes through the slot provided on the side wall of the placement frame 1 and is fixed with the second handle 13 , so as to facilitate the rotation of the transmission rod 25 .

Example 2

As another embodiment of the present invention, several groups of second self-adaptive clamping components are also provided on the vertical section of the placing frame 1, which cooperate with the first self-adaptive clamping components for clamping and fixing special-shaped parts; Every group of the second self-adaptive clamping assembly includes some clamping head structures arranged on the sidewall of the placement frame 1; every group of clamping head structures includes a piston sleeve 18 arranged on the side wall of the placement frame 1, and is arranged inside the piston sleeve 18. And the second movable rod 22 that can telescopically move, one end of the second movable rod 22 is fixed with the piston plate 19, and its other end passes through the mounting hole that the side wall of the piston sleeve 18 offers and is fixed with the second clamping block 23, also includes connecting The second spring 21 on the second movable rod 22 outer wall between the piston sleeve 18 and the second clamp block 23 is used for the reset of the second movable rod 22; Air pipe 14, and the end portion of air guide pipe 14 passes through the through hole that the side wall of placement frame 1 is offered and communicates with piston sleeve 18 where some clamping head structures are located.

In this embodiment, the second adaptive clamping assembly is preferably three groups, and the clamping head structure is preferably two groups, and is arranged up and down, as shown in Figure 5, when matched with the first adaptive clamping assembly, that is The special-shaped parts can be limited and clamped, specifically as shown in Figure 1 and Figure 7, because the end of the air guide tube 14 is connected to the two sets of piston sleeves 18, so when the side wall of the special-shaped part is uneven up and down, at this time due to The second movable rod 22 can telescopically move inside the piston sleeve 18, thereby driving the piston plate 19 to move inside the piston sleeve 18. The second clamping block 23 is preferably an elastic material. When the second clamping block 23 is in contact with the side wall of the special-shaped part, Make the piston plate 19 move in the direction of the air guide pipe 14, so that the gas is carried into the inside of the other piston sleeve 18 through the air guide pipe 14, so that the second movable rod 22 inside the piston sleeve 18 moves towards the direction of the special-shaped part, so that the two second The clamping blocks 23 are all in contact with the outer wall of the special-shaped part. In this process, two horizontally arranged two transmission bars 4 and multiple sets of vertically arranged two second clamping blocks 23 are used to adapt to different special-shaped parts and further improve the clamping performance. maintain stability.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection, or integration; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Among them, there are many ways of detachable installation, for example, the way of plugging and buckling can be used, and for example, the way of bolt connection and so on.

The conception, specific structure and technical effects of the present utility model are clearly and completely described above in conjunction with the embodiments and accompanying drawings, so as to fully understand the purpose, characteristics and effects of the present utility model. Apparently, the described embodiments are only some of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, other embodiments obtained by those skilled in the art without paying creative efforts, All belong to the protection scope of the utility model. In addition, all the connection/connection relationships mentioned in this article do not refer to the direct connection of components, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions.

The specific description of the utility model in the foregoing embodiments is only used to further illustrate the utility model, and cannot be interpreted as limiting the protection scope of the utility model. Technical engineers in the field make some non-essential modifications to the utility model according to the content of the utility model Improvements and adjustments all fall within the protection scope of the present utility model.

Claims (6)

1. A fixture for processing special-shaped parts, characterized in that it comprises: Placement rack (1); And the mounting seat (24) fixed on the side wall of the placement frame (1), also includes a first self-adaptive clamping assembly arranged on the mounting seat (24), which is used for special-shaped parts in cooperation with the placement frame (1) clamping; The first self-adaptive clamping assembly includes a movable frame (6) arranged on the mounting seat (24), and a limiter which is arranged on the movable frame (6) and can be opened on its side wall. The transmission block (5) that slides inside the slot (9) also includes two slide rails (3) fixed on the movable frame (6), and the opposite ends of the two slide rails (3) are respectively provided with a chute, and a slidable transmission bar (4) arranged inside each of the chute, and the inclined plane where the two transmission bars (4) are located is adapted to the inclined plane where the transmission block (5) is located; It also includes an elastic contact assembly arranged at the end of each of the transmission bars (4) away from the transmission block (5), used for resisting the outer wall of the special-shaped part. 2. The jig for processing special-shaped parts according to claim 1, characterized in that: each set of elastic contact components includes a first movable rod (15) that is arranged inside the transmission bar (4) and can move telescopically, And the first clamping block (16) fixed on the end of the first movable rod (15) close to the placement frame (1), also includes the first clamping block (16) arranged between the transmission bar (4) And the first spring (17) sleeved on the outer wall of the first movable rod (15) is used for the reset of the first movable rod (15). 3. The fixture for processing special-shaped parts according to claim 1, characterized in that: the mounting seat (24) is also provided with a screw drive assembly for the operation of the first self-adaptive clamping assembly; The screw drive assembly includes a screw body (7) that passes through a threaded hole provided on the vertical section of the mounting base (24) and is screwed to it. One end of the screw body (7) is rotatably connected to the movable frame (6), and The other end is fixed with a first handle (8), which is convenient for turning the screw body (7). 4. The clamp for processing special-shaped parts according to claim 1, characterized in that: the horizontal section of the placement frame (1) is also provided with a limit assembly, which is used to limit the front and rear directions of the special-shaped parts; The limit assembly includes a mounting slot (2) opened on the placement frame (1), and two sliders (12) that are set inside the mounting slot (2) and can limit movement, and each The top of the slider (12) is fixed with a limit column (11), which is used for the front and rear limit of the special-shaped piece; It also includes a transmission rod (25) arranged inside the installation groove (2), the two ends of the transmission rod (25) are respectively provided with external threads with opposite helical directions, and the external threads are connected with the slider (12) The through-hole threaded connection where it is located. 5. The fixture for processing special-shaped parts according to claim 4, characterized in that: the end of the transmission rod (25) is also fixed with a connecting rod (26), and the connecting rod (26) passes through the placement frame (1 ) The through groove that the side wall offers and is fixed with the second handle (13). 6. The fixture for processing special-shaped parts according to claim 1, characterized in that several groups of second self-adaptive clamping components are also arranged on the vertical section of the placement frame (1), which cooperate with the first self-adaptive clamps Holder assembly, used for clamping and fixing special-shaped parts; Each group of the second self-adaptive clamping assembly includes several clamping head structures arranged on the side wall of the placement frame (1); Each group of clamping head structures includes a piston sleeve (18) arranged on the side wall of the placement frame (1), and a second movable rod (22) that is arranged inside the piston sleeve (18) and can move telescopically. One end of the second movable rod (22) is fixed with a piston plate (19), and its other end passes through the mounting hole provided on the side wall of the piston sleeve (18) and is fixed with a second clamp block (23), which also includes a The second spring (21) on the outer wall of the second movable rod (22) between the piston sleeve (18) and the second clamp block (23), is used for the reset of the second movable rod (22); And be arranged on described placement frame (1) away from the air duct (14) of side wall of piston sleeve (18), and the end of air duct (14) passes through the through hole that placement rack (1) side wall offers and with several The piston sleeve (18) where the clamping head structure is located communicates.

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