CN211278144U - Positioning fixture is used in processing of scissors formula arm single armed - Google Patents

Abstract

The utility model relates to a scissor-type arm single-arm processing positioning fixture, which comprises a bottom plate, and a top-tightening mechanism, a finger-pressing mechanism, a clamping mechanism and a material-returning mechanism installed on the bottom plate. The two top-tightening mechanisms are arranged in parallel. It is arranged at one end of the bottom plate, and the pressing mechanism includes a pressing plate that can move toward the other end of the bottom plate; the finger pressing mechanism includes a plurality of them, which are arranged side by side on the bottom plate, and the finger pressing mechanism includes a pressing finger that can lift and rotate. , at least two groups of finger pressing mechanisms are provided with bases on both sides; the clamping mechanism includes two, and each clamping mechanism includes four groups of clamping plates opposite to the base, and the clamping plates of the same clamping mechanism can be clamped synchronously Or loosening; the feeding mechanism includes two groups, and each feeding mechanism includes a feeding plate that can be lifted and lowered. The utility model can realize the simultaneous positioning and processing of a plurality of scissor arms and a single arm, which not only has high positioning accuracy, ensures product quality, but also realizes mass production and improves production efficiency.

Description

A positioning fixture for scissor-type single-arm processing

technical field

The utility model belongs to the technical field of scissors-type arm processing, in particular to a positioning fixture for scissors-type single-arm processing.

Background technique

The scissor arm is widely used in some manipulators or lifts to realize the extension and retraction of the manipulator or the lifting and lowering of the lift. When the scissor arm is processed, different functional holes need to be processed on the arm. However, in the existing processing methods, manual positioning is used, the positioning accuracy is poor, and mass production cannot be realized, which affects the production efficiency and product quality.

Utility model content

The purpose of the utility model is to provide a positioning fixture for scissor-type single-arm processing, so as to solve the problem that batch positioning and processing cannot be performed.

A positioning fixture for scissor-type single-arm processing of the utility model is realized as follows:

A positioning fixture for scissor-type single-arm processing, comprising a base plate, and a clamping mechanism, a finger-pressing mechanism, a clamping mechanism and a material-returning mechanism installed on the base plate, wherein,

The pressing mechanism includes two and is arranged side by side at one end of the bottom plate, and the pressing mechanism includes a pressing plate that can move toward the other end of the bottom plate;

The finger-pressing mechanisms include a plurality of which are arranged side by side on the bottom plate in pairs; the finger-pressing mechanisms include pressing fingers that can lift and rotate; at least two groups of finger-pressing mechanisms are provided with bases on both sides;

The clamping mechanism includes two, and each clamping mechanism includes four groups of clamping plates opposite to the base, and the clamping plates of the same clamping mechanism can be clamped or released synchronously;

The material withdrawal mechanism includes two groups, and each material withdrawal mechanism includes a material withdrawal plate that can be lifted and lowered.

Further, the other end of the bottom plate is provided with an end plate opposite to the pressing plate.

Further, the pressing mechanism further includes a pressing cylinder, and the piston rod of the pressing cylinder is connected with the pressing plate.

Further, the jacking cylinder is installed on the end of the bottom plate through a jacking seat, and a jacking guide rod connected to the jacking plate is mounted on the jacking seat.

Further, the finger pressing mechanism further comprises a finger pressing cylinder installed below the pressing finger and with the piston rod facing upward, and the piston rod of the finger pressing cylinder is connected with the pressing finger.

Further, the clamping plates of the same group include a fixed clamping plate and a movable clamping plate, and the movable clamping plates of the same clamping mechanism can move synchronously toward the direction of the corresponding fixed clamping plate.

Further, the clamping mechanism further includes a clamping cylinder, a piston rod of the clamping cylinder is connected with a clamping push bar, and the movable clamping plate is connected with the clamping push bar.

Further, the clamping cylinder is fixed on one side of the base plate through a clamping seat.

Further, the material withdrawal mechanism includes a material withdrawal cylinder arranged below the bottom plate, and a piston rod of the material withdrawal cylinder is connected to the material withdrawal plate through the bottom plate.

Further, a plurality of mounting seats are evenly arranged under the bottom plate.

After adopting the above-mentioned technical scheme, the beneficial effect that the utility model has is:

The utility model can realize the simultaneous positioning and processing of multiple scissor-type arms and single arms through the combination of the pressing mechanism, the finger pressing mechanism, the clamping mechanism and the material-returning mechanism, which not only has high positioning accuracy, ensures product quality, but also can achieve large Mass production improves production efficiency.

Description of drawings

The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is the structure diagram of the scissor-type arm single-arm processing positioning fixture of the preferred embodiment of the present utility model;

2 is a structural diagram of a positioning fixture for scissor-type single-arm processing of a preferred embodiment of the present utility model;

3 is a structural diagram of a clamping mechanism of a positioning fixture for scissor-type single-arm processing of a preferred embodiment of the present utility model;

4 is a structural diagram of a clamping mechanism of a positioning fixture for scissor-type single-arm processing of a preferred embodiment of the present utility model;

Fig. 5 is the positioning state diagram of the positioning fixture for scissor-type arm single-arm processing according to the preferred embodiment of the present invention;

In the figure: bottom plate 1, top clamping plate 2, pressing finger 3, base 4, clamping plate 5, fixed clamping plate 51, movable clamping plate 52, ejection plate 6, end plate 7, top-tightening cylinder 8, top Tightening seat 9, top-tightening guide rod 10, pressure cylinder 11, clamping cylinder 12, clamping push bar 13, chute 14, clamping seat 15, pushing cylinder 16, mounting seat 17, scissor arm single arm 18 .

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments of the present invention are a part of the embodiments of the present invention, but not all of the embodiments.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figure 1-5, a positioning fixture for scissor-type single-arm processing includes a base plate 1, and a top-tightening mechanism, a finger-pressing mechanism, a clamping mechanism and a material-removing mechanism installed on the bottom plate 1, and the top-tightening mechanism It includes two and is arranged side by side on one end of the bottom plate 1. The pressing mechanism includes a pressing plate 2 that can move toward the other end of the bottom plate 1; The finger mechanism includes pressing fingers 3 that can lift and rotate, and at least two groups of finger pressing mechanisms are provided with bases 4 on both sides; the clamping mechanism includes two, and each clamping mechanism includes four groups of clamping plates opposite to the base 4 5. The clamping plates 5 of the same clamping mechanism can be clamped or loosened synchronously; the feeding mechanism includes two groups, and each feeding mechanism includes a feeding feeding plate 6 that can be lifted and lowered.

The role of the base 4 is to support the scissor arm 18 (hereinafter referred to as the workpiece).

In order to position both ends of the workpiece in combination with the pressing mechanism, the other end of the bottom plate 1 is provided with an end plate 7 opposite to the pressing plate 2 .

The setting of the top tightening mechanism can be combined with the end through the top tightening plate 2, and the movement of the top tightening plate 2 can be used to fix both ends of the workpiece to prevent the movement in the length direction. Therefore, in order to drive the top tightening plate 2 The pressing mechanism also includes a pressing cylinder 8, and the piston rod of the pressing cylinder 8 is connected with the pressing plate 2.

After the workpiece is placed on the base 4, the piston rod of the pressing cylinder 8 extends, driving the pressing plate 2 to move toward the end of the workpiece, and combines with the end plate 7 to fix both ends of the workpiece.

In order to facilitate the fixing of the jacking cylinder 8 , the jacking cylinder 8 is installed on the end of the bottom plate 1 through the jacking seat 9 , and the jacking guide rod 10 connected to the jacking plate 2 is installed on the jacking seat 9 .

The jacking guide rod 10 moves through the jacking seat 9 and is connected with the jacking plate 2 , which can guide the movement of the jacking plate 2 .

The setting of the finger pressing mechanism can use the pressing finger 3 to apply a pressure on the workpiece to fix it, and in order to drive the lifting and rotation of the pressing finger 3, the finger pressing mechanism also includes a device installed under the pressing finger 3 and The pressure finger cylinder 11 is provided with the piston rod facing upward, and the piston rod of the pressure finger cylinder 11 is connected with the pressure finger 3 .

Before fixing the workpiece, the direction of the pressing finger 3 is the same as the direction of the workpiece, which can prevent the placement of the workpiece from being blocked. After the workpiece is placed on the base 4, the finger pressing cylinder 11 drives the pressing finger 3 to rotate to a direction perpendicular to the workpiece, and drives the pressing finger 3 to move down, thereby fixing the upper part of the workpiece.

In this embodiment, there are eight finger-pressing mechanisms, which are arranged side by side in pairs.

Specifically, the finger pressing cylinder 11 is a corner cylinder, which can not only drive the pressing finger 3 to rotate, but also can drive the pressing finger 3 to rise and fall.

In order to fix both sides of the workpiece by the clamping plates 5, the clamping plates 5 of the same group include a fixed clamping plate 51 and a movable clamping plate 52, and the movable clamping plates 52 of the same clamping mechanism can be synchronously oriented towards the corresponding moving in the direction of the fixed clamping plate 51 .

In order to drive the movable clamping plate 52 of the same clamping mechanism to move toward the corresponding fixed clamping plate 51, so as to realize the synchronous fixing of the four workpieces, the clamping mechanism also includes a clamping cylinder 12, a piston rod of the clamping cylinder 12 The clamping push bar 13 is connected to the upper, and the movable clamping plate 52 is connected with the clamping push bar 13 .

Specifically, the movable clamping plate 52 of each group of clamping plates 5 is arranged on the side close to the clamping cylinder 12, the bottom of the fixed clamping plate 51 is fixed on the bottom plate 1, and a chute 14 is provided in the middle of the bottom. The clamping push bar 13 is slidably arranged in the chute 14, and the movable clamping plate 52 is installed on the clamping push bar 13. When the piston rod of the clamping cylinder 12 is extended, the clamping push bar 13 can be pushed to move. Therefore, the movable clamping plate 52 is driven to move in the direction of the corresponding fixed clamping plate 51, thereby fixing both sides of the workpiece.

In this embodiment, the two clamping mechanisms are respectively arranged outside the two groups of finger pressing mechanisms located at both ends.

In order to facilitate the fixing of the clamping cylinder 12 , the clamping cylinder 12 is fixed on one side of the base plate 1 through the clamping seat 15 .

In order to facilitate the lifting of the processed workpiece from the positioning fixture, so as to facilitate removal, the material withdrawal mechanism includes a material withdrawal cylinder 16 arranged under the bottom plate 1, and the piston rod of the material withdrawal cylinder 16 passes through the bottom plate 1 and the material withdrawal plate 6. connected.

Specifically, the two stripping plates 6 are respectively arranged between the adjacent two groups of finger pressing mechanisms, and the stripping plates 6 are arranged laterally, that is, perpendicular to the length direction of the workpiece, and the same stripping plate 6 can be lifted and positioned at the same time. All workpieces on the fixture.

In order to facilitate the installation of the entire positioning fixture on the machine tool, a plurality of mounting seats 16 are evenly arranged under the base plate 1 .

Preferably, in order to facilitate connection with the machine tool, the bottom of the mounting seat 17 is provided with several mounting holes.

Specifically, the clamping seat 15 is fixed on one end of the mounting seat 17 .

Since this embodiment is provided with eight bases 4, and the bases 4 located in the same row are used for supporting the same workpiece, similarly, the finger pressing mechanism located in the same row can fix the two workpieces on both sides, and the same The clamping plate 2 can perform end clamping on two parallel workpieces, the four groups of clamping plates 5 of the same clamping mechanism are used to clamp the four workpieces on the side, and the setting of the two groups of clamping mechanisms can clamp the workpieces. Perform side clamping in two positions.

Before processing the functional hole on the workpiece, the clamping plate 2, clamping plate 5 and the pressing finger 3 are all in the initial state, that is, the distance between the clamping plate 2 and the end plate 7 is greater than the length of the workpiece, and the clamps in the same group are in the initial state. The tightening plate 5 is in a loose state, and the pressing finger 3 is in a position parallel to the workpiece. When the workpieces are placed side by side on the base 4, the clamping plate 2 is used to clamp the workpiece under the action of the clamping cylinder 8, while the clamping plate 5 is under the action of the clamping cylinder 12 to fix both sides of the workpiece. And the pressing finger 3 is fixed on the top of the workpiece under the action of the pressing finger cylinder 11, and the fixing in three directions is carried out at the same time, so that the workpiece can be accurately positioned, and batch processing can be carried out at one time, which not only ensures the processing quality of the product, but also improves the quality of the workpiece. processing efficiency.

After the processing is completed, the pressing plate 2, the clamping plate 5 and the pressing finger 3 are reset, and the ejecting plate 6 moves up under the action of the ejecting cylinder 16 to eject the workpiece, so as to facilitate its removal from the positioning fixture .

Taking the above ideal embodiment according to the present invention as inspiration, through the above description, relevant staff can make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present utility model is not limited to the content in the description, and its technical scope must be determined according to the scope of the claims.

Claims (10)

1. A positioning fixture for scissor-type arm single-arm processing, characterized in that it comprises a bottom plate (1), and a top-tightening mechanism, a finger-pressing mechanism, a clamping mechanism and a material-returning mechanism installed on the bottom plate (1) ,in, The pressing mechanism includes two and is arranged side by side at one end of the bottom plate (1), the pressing mechanism includes a pressing plate (2) that can move toward the other end of the bottom plate (1); The finger-pressing mechanisms include a plurality of which are arranged side by side on the bottom plate (1) in two groups. The side is provided with a base (4); The clamping mechanism includes two, and each clamping mechanism includes four sets of clamping plates (5) opposite to the base (4), and the clamping plates (5) of the same clamping mechanism can be clamped or released synchronously ; The material withdrawal mechanism includes two groups, and each material withdrawal mechanism includes a material withdrawal plate (6) that can be lifted and lowered. 2. The positioning fixture for scissor-type single-arm processing according to claim 1, wherein the other end of the bottom plate (1) is provided with an end plate (7) opposite to the top tightening plate (2). . 3. The positioning fixture for scissor-type single-arm processing according to claim 1, wherein the pressing mechanism further comprises a pressing cylinder (8), and the piston rod of the pressing cylinder (8) is connected to the cylinder (8). The top tightening plates (2) are connected. 4. The positioning fixture for scissor-type single-arm processing according to claim 3, characterized in that, the pressing cylinder (8) is installed on the end of the bottom plate (1) through the pressing seat (9), And a pressing guide rod (10) connected with the pressing plate (2) is installed on the pressing seat (9). 5 . The positioning fixture for scissor-type single-arm processing according to claim 1 , wherein the finger pressing mechanism further comprises a finger pressing cylinder installed under the pressing finger (3) and with the piston rod facing upward. 6 . (11), the piston rod of the pressure finger cylinder (11) is connected with the pressure finger (3). 6. The positioning fixture for scissor-type single-arm processing according to claim 1, wherein the clamping plates (5) in the same group comprise a fixed clamping plate (51) and a movable clamping plate (52), and The movable clamping plates (52) of the same clamping mechanism can move in the direction of the corresponding fixed clamping plates (51) synchronously. 7. The positioning fixture for scissor-type single-arm processing according to claim 6, wherein the clamping mechanism further comprises a clamping cylinder (12), the piston rod of which is connected to the clamping cylinder (12). There is a clamping push bar (13), and the movable clamping plate (52) is connected with the clamping push bar (13). 8 . The positioning fixture for scissor-type single-arm processing according to claim 7 , wherein the clamping cylinder ( 12 ) is fixed on one side of the base plate ( 1 ) through a clamping seat ( 15 ). 9 . 9 . The positioning fixture for scissor-type single-arm processing according to claim 1 , wherein the material-returning mechanism comprises a material-returning cylinder ( 16 ) arranged under the bottom plate ( 1 ), and the material-returning mechanism The piston rod of the air cylinder (16) is connected with the ejection plate (6) through the bottom plate (1). 10 . The positioning fixture for scissor-type single-arm processing according to claim 1 , wherein a plurality of mounting seats ( 17 ) are evenly arranged under the bottom plate ( 1 ). 11 .

Images