Positioning clamp for spraying irregular automobile parts

Abstract

The utility model discloses a positioning fixture for spraying irregular auto parts. The positioning fixture comprises a mounting plate, a driving cylinder, an upper half fixture group, a connecting component, a lower half fixture group and a positioning component, the mounting plate is step-shaped; a rotating shaft connecting bulge is arranged at the upper end of the mounting plate; a first step and a second step are sequentially arranged beside the rotating shaft connecting bulge; the driving cylinder is arranged beside the mounting plate; the upper half clamp set is arranged above the mounting plate and connected with the rotating shaft connecting protrusion through a connecting assembly. One end of the upper half clamp group close to the rotating shaft connecting bulge is connected with the output end of the driving cylinder; the lower half clamp group is arranged on the first step and the second step of the mounting plate; the upper half clamp set and the lower half clamp set are matched to complete clamping. And the positioning assembly is arranged beside the mounting plate. According to the positioning clamp for spraying of the irregular automobile parts, through the upper clamp set and the lower clamp set which are different in horizontal height, adaptation of clamping of the irregular parts is improved; and meanwhile, the clamping stability and accuracy are improved through the positioning assembly.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of positioning fixture, especially relates to a positioning fixture for irregular automobile accessory spraying. BACKGROUND

[0002] Traditional automobile manufacturing mode mainly relies on mechanization equipment, and realizes batch production through the way of assembly line. In actual production, the shape of irregular automobile accessory is complex, and the size is various, and the traditional fixture is difficult to adapt to the accessories of various shapes and sizes, so that clamping is unstable, and looseness is prone to occur in the spraying process.

[0003] Meanwhile, the traditional fixture is usually specially designed, and the fixture needs to be customized for each vehicle type or accessory, so that the production cost is high, and in the spraying process, due to the irregular shape of the accessory, the traditional fixing fixture cannot realize uniform spraying of each angle of the accessory, so that the spraying effect is uneven, and some areas may be insufficient or excessive.

[0004] Therefore, the above problems are urgent to be solved. UTILITY MODEL CONTENT

[0005] The utility model aims at overcoming the above insufficient, and the utility model provides a positioning fixture for irregular automobile accessory spraying, through designing two groups of fixtures with different horizontal heights, the adaptation of irregular shape of the accessory is improved, meanwhile, the positioning assembly is designed, cooperates with two groups of fixtures, realizes the stable and accurate clamping of irregular automobile accessory.

[0006] Technical solution: In order to achieve the above object, the utility model provides a positioning fixture for irregular automobile accessory spraying, including mounting plate, drive cylinder, upper half fixture group, connecting assembly, lower half fixture group and positioning assembly, the mounting plate is ladder type, the ladder type structure of mounting plate provides accurate positioning reference for lower half fixture group, ensures the position accuracy of work piece in clamping process, and can adapt to work piece of different sizes, improves the versatility of fixture, the upper end of mounting plate is equipped with pivot connection convex, one side of pivot connection convex is equipped with first ladder and second ladder in proper order, the drive cylinder is equipped with in mounting plate one side, and is connected with mounting plate lower extreme, the upper half fixture group is equipped with in mounting plate upper side, and is connected with pivot connection convex through connecting assembly, one end of upper half fixture group near pivot connection convex is connected with drive cylinder output end, the output end connection of upper half fixture group through drive cylinder realizes automatic clamping and release action, reduces artificial operation, improves the accuracy and consistency of clamping, the lower half fixture group is equipped with on first ladder and second ladder of mounting plate, the upper half fixture group and lower half fixture group cooperate and complete clamping, the positioning assembly is equipped with in mounting plate one side, is used for realizing positioning, the positioning assembly is equipped with in mounting plate one side, greatly strengthens the positioning accuracy of fixture, and through the assistance of positioning assembly, can realize accurate positioning to work piece, ensures the stability and consistency of clamping.

[0007] Further, the upper half fixture group includes an upper clamp mounting strip, a first upper clamp block, and a second upper clamp block; the connecting assembly includes a set of connecting strips and a pivot; one end of the upper clamp mounting strip near the pivot connection convex is connected to the output end of the drive cylinder; one side of the connecting point of the upper clamp mounting strip and the output end of the drive cylinder is provided with a set of connecting strips; the connecting strips are arranged on both sides of the pivot connection convex and are connected to the pivot connection convex through the pivot; the first upper clamp block and the second upper clamp block are arranged below the upper clamp mounting strip and above the first ladder and the second ladder, respectively. The upper clamp mounting strip serves as a connecting and supporting component, ensuring the stability and consistency of the first upper clamp block and the second upper clamp block, and allowing the clamping force to be evenly distributed; the first upper clamp block and the second upper clamp block are respectively located above the first ladder and the second ladder, ensuring that the irregular workpiece is evenly stressed during clamping and avoiding deformation of the workpiece due to excessive local stress; at the same time, the connecting strips are connected to the pivot connection convex through the pivot, and this structure allows the upper half fixture group to rotate flexibly around the pivot, achieving clamping and release actions.

[0008] Further, the lower half fixture group includes a first lower clamp block and a second lower clamp block; the first lower clamp block and the second lower clamp block are respectively arranged on the first ladder and the second ladder. Designing the fixture on the ladder structure allows the fixture to adapt to workpieces of different sizes and shapes, ensuring the stability of the workpiece during clamping and reducing the frequency of replacing the fixture due to changes in the workpiece.

[0009] Further, the first upper clamp block and the first lower clamp block cooperate to achieve clamping; the second upper clamp block and the second lower clamp block cooperate to achieve clamping. The design of the two groups of clamping provides multiple clamping for irregular automobile parts clamping, and greatly guarantees the stability of clamping.

[0010] Further, the first upper clamp block and the first lower clamp block, the second upper clamp block and the second lower clamp block are provided with rubber parts at the folding clamping positions. The rubber parts can absorb part of the impact force in the clamping process, reduce the wear of the clamp itself, and prolong the service life of the clamp; at the same time, the rubber parts can uniformly distribute the clamping force in the clamping process, so that the workpiece is prevented from being deformed due to excessive local pressure.

[0011] Further, the positioning assembly comprises a positioning mounting block, a positioning connecting block and a positioning block; the positioning mounting block is arranged on one side of the mounting plate through the positioning connecting block and is located between the first upper clamp block and the second upper clamp block; and the positioning block is arranged at the upper end of the positioning mounting block. The positioning block is arranged at the upper end of the positioning mounting block, so that the positioning block can directly act on the automobile parts to be sprayed, and the accuracy and reliability of positioning are greatly enhanced; at the same time, accurate positioning reduces the spraying defects caused by displacement or unstable clamping of the parts, thereby reducing the defective rate and improving the production efficiency.

[0012] Further, the mounting plate is provided below with a clamp reinforcing connecting plate. The clamp reinforcing connecting plate provides more stable mounting connection for the mounting plate, and guarantees the stability of clamp mounting.

[0013] The above technical scheme can have the following beneficial effects:

[0014] 1. The positioning clamp for irregular automobile parts spraying has the following beneficial effects:

[0015] 2. The positioning clamp for irregular automobile parts spraying has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 FIG. 1 is a structural schematic view of the positioning clamp for irregular automobile parts spraying;

[0017] Figure 2 FIG. 2 is a structural schematic view of the positioning assembly and the rubber part in the positioning clamp for irregular automobile parts spraying;

[0018] In the drawings:

[0019] 1-mounting plate; 11-rotary shaft connecting protrusion; 12-first step; 13-second step;

[0020] 2-driving cylinder;

[0021] 3-upper half clamp set; 31-upper clamp mounting strip; 32-first upper clamp block; 33-second upper clamp block;

[0022] 4-connecting assembly; 41-connecting strip; 42-rotary shaft;

[0023] 5-lower half clamp set; 51-first lower clamp block; 52-second lower clamp block;

[0024] 6-positioning assembly; 61-positioning mounting block; 62-positioning connecting block; 63-positioning block;

[0025] 7-rubber piece;

[0026] 8-clamp reinforcing connecting plate. DETAILED DESCRIPTION

[0027] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application. EMBODIMENT

[0028] In this embodiment, as Figure 1 The present application discloses a positioning clamp for irregular automobile accessory spraying, comprising a mounting plate 1, a driving cylinder 2, an upper half clamp set 3, a connecting assembly 4, a lower half clamp set 5 and a positioning assembly 6; the mounting plate 1 is in a stepped shape; a rotary shaft connecting protrusion 11 is arranged on the upper end of the mounting plate 1, and a first step 12 and a second step 13 are arranged in sequence beside the rotary shaft connecting protrusion 11; the driving cylinder 2 is arranged beside the mounting plate 1 and is connected with the lower end of the mounting plate 1; the upper half clamp set 3 is arranged above the mounting plate 1 and is connected with the rotary shaft connecting protrusion 11 through the connecting assembly 4; one end of the upper half clamp set 3 near the rotary shaft connecting protrusion 11 is connected with the output end of the driving cylinder 2; the lower half clamp set 5 is arranged on the first step 12 and the second step 13 of the mounting plate 1; the upper half clamp set 3 and the lower half clamp set 5 cooperate to complete clamping; the positioning assembly 6 is arranged beside the mounting plate 1 and is used for positioning.

[0029] Specifically, during use, the positioning assembly 6 is used for positioning first, then the driving cylinder 2 drives the upper half clamp set 3, and finally the upper half clamp set 3 cooperates with the lower half clamp set 5 to complete clamping.

[0030] In particular, for clamping, positioning and supporting complex shapes and thin-walled parts, flexible clamps can be used as another preferred option for the upper clamping group 3 and the lower clamping group 5, so as to adapt to various shapes.

[0031] Specifically, sensors can be integrated into the fixture to handle changes in the clamping parts, ensuring the accuracy and precision of controlling the driving force of the drive cylinder 2.

[0032] In this embodiment, as Figure 1 The upper clamp assembly 3 includes an upper clamping mounting strip 31, a first upper clamping block 32, and a second upper clamping block 33; the connecting assembly 4 includes a set of connecting strips 41 and a rotating shaft 42; one end of the upper clamping mounting strip 31 near the rotating shaft connecting protrusion 11 is connected to the output end of the drive cylinder 2; a set of connecting strips 41 is provided on the side of the connection point between the upper clamping mounting strip 31 and the output end of the drive cylinder 2; the connecting strips 41 are located on both sides of the rotating shaft connecting protrusion 11 and are connected to the rotating shaft connecting protrusion 11 through the rotating shaft 42; the first upper clamping block 32 and the second upper clamping block 33 are located below the upper clamping mounting strip 31 and are respectively located above the first step 12 and the second step 13.

[0033] Specifically, the output end of the drive cylinder 2 is rotatably connected to the upper clamping mounting bar 31. When the clamp is opened, the output end of the drive cylinder 2 is driven downward, the upper clamping mounting bar 31 is raised, and the first upper clamping block 32 and the second upper clamping block 33 are raised.

[0034] Specifically, the installation level of the second upper clamping block 33 of the upper clamping mounting strip 31 is slightly lower than that of the first upper clamping block 32, so as to better achieve clamping at different levels of the first step 12 and the second step 13.

[0035] In this embodiment, as Figure 1 The lower clamping assembly 5 includes a first lower clamping block 51 and a second lower clamping block 52; the first lower clamping block 51 and the second lower clamping block 52 are respectively disposed on the first step 12 and the second step 13.

[0036] Specifically, it is preferable to add ball joints or universal joints between the first lower clamping block 51 and the second lower clamping block 52 and the first step 12 and the second step 13 respectively, so as to improve the degree of freedom of adjustment and adapt to workpieces with different angles and positions.

[0037] In this embodiment, as Figure 1 The first upper clamping block 32 and the first lower clamping block 51 cooperate to achieve clamping; the second upper clamping block 33 and the second lower clamping block 52 cooperate to achieve clamping.

[0038] Specifically, the horizontal inclination of the clamping surfaces between the first upper clamping block 32 and the first lower clamping block 51, and between the second upper clamping block 33 and the second lower clamping block 52, can be adjusted according to the inclination of the accessories.

[0039] In this embodiment, as Figure 1 and Figure 2 The first upper clamping block 32 and the first lower clamping block 51, the second upper clamping block 33 and the second lower clamping block 52 are all provided with rubber parts 7 at the closing clamping points.

[0040] Specifically, designing the rubber component 7 in segments is a preferred approach. Each segment of the rubber component 7 can be adjusted according to the local shape of the workpiece, thereby providing better fit and clamping force.

[0041] In this embodiment, as Figure 1 and Figure 2 The positioning component 6 includes a positioning mounting block 61, a positioning connecting block 62, and a positioning block 63; the positioning mounting block 61 is disposed on one side of the mounting plate 1 through the positioning connecting block 62, and is located between the first upper clamping block 32 and the second upper clamping block 33; the positioning block 63 is disposed on the upper end of the positioning mounting block 61.

[0042] In particular, the positioning block 63 can be designed to be adjustable, as is a preferred option. For example, the positioning block 63 is connected to the positioning mounting block 61 by a threaded connection, so that the positioning block 63 can be finely adjusted on the positioning mounting block 61 according to the size of the workpiece, thereby improving the positioning accuracy.

[0043] In this embodiment, as Figure 1 A clamping reinforcement connecting plate 8 is provided below the mounting plate 1.

[0044] Specifically, adding ribs to the reinforcing connecting plate 8 is an optimal option to improve installation stability.

[0045] The working principle of the above embodiments is as follows:

[0046] This utility model discloses a positioning fixture for spraying irregular automotive parts. In use, the fixture is installed on the equipment through the fixture reinforcing connecting plate 8; the irregular automotive parts are positioned by the positioning block 63, and one or both sets of the first upper clamping block 32 and the first lower clamping block 51, the second upper clamping block 33 and the second lower clamping block 52 are used to complete the clamping according to their size, and then spraying is performed.

[0047] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements can be made without departing from the principle of the present utility model, and these improvements should also be considered within the protection scope of the present utility model.

Claims

1. A positioning fixture for irregular automotive parts painting, characterized by: The utility model relates to a kind of clamping device, including: Mounting plate (1), the mounting plate (1) is in echelon type; The upper end of the mounting plate (1) is provided with a rotating shaft connecting protrusion (11), and a first echelon (12) and a second echelon (13) are sequentially arranged beside the rotating shaft connecting protrusion (11); Drive cylinder (2), the drive cylinder (2) is arranged beside the mounting plate (1), and is connected with the lower end of the mounting plate (1); Upper half clamp group (3) and connecting assembly (4), the upper half clamp group (3) is arranged above the mounting plate (1), and is connected with the rotating shaft connecting protrusion (11) through the connecting assembly (4);The end of the upper half clamp group (3) near the rotating shaft connecting protrusion (11) is connected with the output end of the drive cylinder (2); Lower half clamp group (5), the lower half clamp group (5) is arranged on the first echelon (12) and the second echelon (13) of the mounting plate (1); The upper half clamp group (3) and the lower half clamp group (5) cooperate to complete clamping; Positioning assembly (6), the positioning assembly (6) is arranged beside the mounting plate (1), for realizing positioning.

2. The positioning fixture for irregular automobile parts spray painting according to claim 1, characterized in that: The upper half clamp group (3) includes an upper clamp mounting strip (31), a first upper clamp block (32) and a second upper clamp block (33);The connecting assembly (4) includes a group of connecting strips (41) and a rotating shaft (42); The end of the upper clamp mounting strip (31) near the rotating shaft connecting protrusion (11) is connected with the output end of the drive cylinder (2);A group of connecting strips (41) are arranged beside the connecting point of the upper clamp mounting strip (31) and the output end of the drive cylinder (2);The connecting strips (41) are arranged on both sides of the rotating shaft connecting protrusion (11), and are connected with the rotating shaft connecting protrusion (11) through the rotating shaft (42);The first upper clamp block (32) and the second upper clamp block (33) are arranged below the upper clamp mounting strip (31), and are respectively located above the first echelon (12) and the second echelon (13).

3. The positioning fixture for irregular automobile parts spray painting as claimed in claim 2 wherein: The lower half clamp group (5) includes a first lower clamp block (51) and a second lower clamp block (52); The first lower clamp block (51) and the second lower clamp block (52) are respectively arranged on the first echelon (12) and the second echelon (13).

4. The positioning fixture for irregular automobile parts spray painting as claimed in claim 3 wherein: The first upper clamp block (32) and the first lower clamp block (51) cooperate to realize clamping;The second upper clamp block (33) and the second lower clamp block (52) cooperate to realize clamping.

5. The positioning fixture for irregular automobile parts spray painting as claimed in claim 4 wherein: Rubber parts (7) are arranged at the folding clamping positions of the first upper clamp block (32) and the first lower clamp block (51), the second upper clamp block (33) and the second lower clamp block (52).

6. The positioning fixture for irregular automobile parts spray painting as claimed in claim 1 wherein: The positioning assembly (6) includes a positioning mounting block (61), a positioning connecting block (62) and a positioning block (63); The positioning mounting block (61) is arranged on one side of the mounting plate (1) through the positioning connecting block (62), and is located between the first upper clamp block (32) and the second upper clamp block (33);The positioning block (63) is arranged on the upper end of the positioning mounting block (61).

7. The positioning fixture for irregular automobile parts spray painting as claimed in claim 1 wherein: A clamp reinforcing connecting plate (8) is arranged below the mounting plate (1).

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