Fixing tool for machining of automotive upholstery

Abstract

The utility model relates to the technical field of automotive upholstery processing, in particular to a fixing tool for automotive upholstery processing, which comprises a bottom frame, two clamping pieces sliding on the bottom frame and a driving component for driving the two clamping pieces to move towards the middle, the driving assembly comprises a rotating rod rotationally installed on the bottom frame, hinge connecting rods are hinged to the two ends of the rotating rod, and the other ends of the hinge connecting rods are hinged to the clamping pieces respectively. An air cylinder is fixedly installed on the bottom frame, and a piston rod of the air cylinder is rotationally connected with the rotating rod. According to the clamping device, the workpiece to be machined is placed between the two clamping pieces, the edge of the workpiece to be machined is made to make contact with the lap joint plate, the piston rod of the air cylinder drives the rotating rod to rotate, the rotating rotating rod pulls the hinged connecting rod to move, and therefore the vertical face of the angle steel makes contact with the workpiece to be machined, and the workpiece to be machined is centered and fixed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile interior part processing, specifically relates to a kind of automobile interior part processing is fixed tooling. BACKGROUND

[0002] The Chinese patent with application number 202122043904.0 discloses an automatic centering machine for pulp bag, which comprises a centering frame, a pushing frame and a third supporting leg. The side wall of the centering frame is fixedly connected with a driving motor. One end of the driving motor extends to be provided with a motor shaft, and the output end of the motor shaft is fixedly connected with a rotating rod. The end of the rotating rod away from the driving motor penetrates into the interior of the centering frame. The side outer wall of the rotating rod is fixedly connected with a first lead screw. The other side outer wall of the rotating rod is fixedly connected with a second lead screw. The outer surfaces of the first lead screw and the second lead screw are both threadedly connected with a moving block. The upper end of the moving block is fixedly connected with a connecting block. The upper end of the connecting block is fixedly connected with a centering plate. The upper surface of the pushing frame is fixedly connected with a fixed plate. The side surface of the fixed plate is fixedly connected with an electric telescopic rod. The output end of the electric telescopic rod is fixedly connected with a push plate.

[0003] Through the driving effect of the driving motor 2, the first lead screw 4 and the second lead screw 5 are driven to rotate. In cooperation with the effect of the moving block 7, the opposite movement of the centering plate 9 can be realized, and the pulp bag can be centered.

[0004] However, the lead screw has high requirements for the use environment, so its application range is narrow.

[0005] Therefore, it is necessary to provide a new technical solution to overcome the above-mentioned defects. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of fixed tooling for automobile interior part processing which can effectively solve the above technical problems.

[0007] To achieve the purpose of the utility model, the following technical solutions are adopted:

[0008] A kind of fixed tooling for automobile interior part processing, comprising:

[0009] A bottom frame, clamping pieces sliding on the bottom frame, and a driving assembly driving two clamping pieces to move towards the middle;

[0010] The driving assembly comprises a rotating rod rotatably installed on the bottom frame, and hinged connecting rods are hinged to both ends of the rotating rod. The other ends of the hinged connecting rods are respectively hinged to the clamping pieces.

[0011] A gas cylinder is fixedly installed on the bottom frame, and the piston rod of the gas cylinder is rotatably connected with the rotating rod.

[0012] Further, the end of the cylinder piston rod is integrally connected with a sliding ring, the rotating rod is integrally connected with a protruding block, the protruding block is inserted into the sliding ring and in sliding contact with the sliding ring.

[0013] Further, the two cylinders are arranged on the two sides of the rotating rod.

[0014] Further, the two ends of the clamping piece are fixedly provided with supporting blocks.

[0015] Further, the clamping piece is connected with a sliding block, the bottom frame is fixedly connected with a fixed rod, and the sliding block slides on the fixed rod.

[0016] Further, the rotating rod is arranged on the bottom frame through a bearing.

[0017] Compared with the prior art, the fixing tool has the following beneficial effects:

[0018] The fixing tool is used for fixing an automobile interior part during processing, the automobile interior part is placed between the two clamping pieces, and the edge of the automobile interior part is in contact with the lap joint plate, the piston rod of the cylinder drives the rotating rod to rotate, the rotating rod drives the hinged connecting rod to move, and thus the vertical surface of the angle steel is in contact with the automobile interior part, and the automobile interior part is centered and fixed. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings are used to provide a further understanding of the fixing tool, and constitute a part of the specification, and are used together with the embodiments of the fixing tool to explain the fixing tool, and do not constitute a limitation on the fixing tool.

[0020] Figure 1 It is a schematic view of the fixing tool.

[0021] Figure 2 It is Figure 1 It is an enlarged schematic view of part A.

[0022] Figure 3 It is a schematic view of the fixing tool.

[0023] In the drawing: 1, bottom frame; 2, clamping piece; 21, angle steel; 211, round hole; 22, lap joint plate; 3, rotating rod; 4, hinged connecting rod; 41, insertion rod; 5, cylinder; 6, sliding ring; 7, protruding block; 8, sliding block; 9, fixed rod; 10, supporting block. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments.

[0025] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "transverse", "longitudinal", "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the protection scope of the utility model. When a component is referred to as being "fixed" to another component, it can be directly on the other component or there can be a middle component. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or there can be a middle component. When a component is referred to as being "provided on" another component, it can be directly provided on the other component or there can be a middle component. The terms "vertical", "horizontal", "left", "right" and the like used in this document are only for the purpose of illustration.

[0026] As shown in Figures 1 to 3 The utility model discloses a fixed tool for car interior part processing, including: bottom frame 1, the clamping piece 2 of sliding on bottom frame 1 and drive assembly that drives two clamping pieces 2 to the middle movement, bottom frame 1 is welded by steel material, and the specific shape can refer to the drawing, the clamping piece 2 is welded by angle steel 21 and lap plate 22, and the specific shape can refer to the drawing, and the edge of the workpiece can be contacted with lap plate 22, and then drive assembly makes clamping piece 2 move to the middle, and the vertical surface of angle steel 21 is contacted with the workpiece, thereby centering and fixing the workpiece.

[0027] The drive assembly includes: the rotary rod 3 that is rotatably installed on the bottom frame 1, the rotary rod 3 is installed on the bottom frame 1 through bearing, and the both ends of the rotary rod 3 are hinged with the hinge connecting rod 4, and the other end of the hinge connecting rod 4 is respectively hinged with the clamping piece 2.

[0028] Specifically, the bearing seat is fixedly installed on the bottom frame 1, the bearing is installed on the bearing seat, the center of the rotary rod 3 is integrally connected with the connecting rod, the connecting rod is inserted into the inner ring of the bearing, and the installation bearing is more smooth in the whole rotation process, and the concentricity is better when the rotary rod 3 rotates.

[0029] It needs to be added here that the end of the lower surface of the articulated connecting rod 4 is fixedly connected with an inserting rod 41, a circular hole 211 is formed in the angle steel 21, the inserting rod 41 is inserted into the circular hole 211 from top to bottom and is in sliding contact with the angle steel 21, if the angle steel 21 is forced, downward movement will make the angle steel 21 move downward along the inserting rod 41, avoiding that the angle steel 21 exerts force on the articulated connecting rod 4 downward.

[0030] The bottom frame 1 is fixedly provided with air cylinders 5, the piston rods of the air cylinders 5 are rotationally connected with the rotating rods 3, the air cylinders 5 are provided with two and are located at the two sides of the rotating rods 3, the end of the piston rod of the air cylinder 5 is integrally connected with a sliding ring 6, the rotating rod 3 is integrally connected with a protruding block 7, the protruding block 7 is inserted into the sliding ring 6 and is in sliding contact with the sliding ring 6.

[0031] The piston rod of the air cylinder 5 is connected with the rotating rod 3 at the position of three fourths of the length, so as to drive the rotating rod 3 to rotate, the air cylinder 5 can be provided with one, in order to make the rotating process more smooth, generally, the air cylinder 5 is provided with two, and in order to ensure that the two air cylinders 5 move synchronously, the two air cylinders 5 are connected with an electromagnetic valve, so that when the electromagnetic valve is opened, compressed air is synchronously stored in the cylinder body of the air cylinder 5, synchronously driving the piston rod to move, the compressed air is generally stored in a gas storage tank, this part of technology is prior art and will not be described in detail.

[0032] In order to make the guiding property of the clamping piece 2 better when moving, a guiding assembly is generally connected with the clamping piece 2, that is, the clamping piece 2 is connected with a sliding block 8, the bottom frame 1 is fixedly connected with a fixed rod 9, and the sliding block 8 slides on the fixed rod 9.

[0033] However, in some processing, force needs to be exerted on the workpiece to be processed, such as downward force in the drilling operation, which will damage the piston rod of the air cylinder 5 or the fixed rod 9.

[0034] In the application, the inserting rod 41 is inserted into the circular hole 211 from top to bottom, avoiding that the downward force is applied to the piston rod of the air cylinder 5 through the articulated connecting rod 4 and the rotating rod 3.

[0035] In the application, the two ends of the clamping piece 2 are fixedly provided with support blocks 10 through studs, the support blocks 10 are generally made of self-lubricating materials, the application adopts MGA engineering plastic alloy, which has low price, strong pressure bearing capacity and small specific wear rate, and the support blocks 10 are in sliding contact with the bottom frame 1.

[0036] The angle steel 21 is provided with a through hole, and the sliding block 8 is provided with a threaded hole; the diameter of the through hole is slightly larger than the diameter of the threaded hole; when the screw rod is installed in the threaded hole through the through hole, a longer screw rod is selected so that the lower surface of the angle steel 21 is in contact with the supporting block 10, and the lower surface of the angle steel 21 is not in contact with the sliding block 8; when the clamping piece 2 is stressed, the screw rod has space in the axial direction, and the stud has no space in the axial direction, so that the pressure is conducted to the supporting block 10; when the clamping piece 2 moves, the radial force can be conducted by the screw rod to drive the sliding block 8 to move, so that the guiding property of the clamping piece 2 when moving can be better through the sliding block 8 and the fixed rod 9.

[0037] Working principle:

[0038] The workpiece to be processed is placed between the two clamping pieces 2, and the edge of the workpiece to be processed is in contact with the lap plate 22; the piston rod of the cylinder 5 drives the rotating rod 3 to rotate, the rotating rod 3 is pulled to move the hinged connecting rod 4, so that the vertical surface of the angle steel 21 is in contact with the workpiece to be processed, and the workpiece to be processed is centered and fixed.

[0039] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt conventional types in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and the details are not described here, and the contents not described in detail in the description belong to the prior art known to the person skilled in the art.

[0040] It should be understood that the above description can be improved or changed by those skilled in the art, and all these improvements and changes shall belong to the protection scope of the appended claims of the utility model.

Claims

1. A fixing fixture for processing automotive interior parts, characterized in that: Include: The bottom frame, the clamping piece sliding on the bottom frame and the driving assembly driving the two clamping pieces to move to the middle; The driving assembly comprises a rotating rod rotatably installed on the bottom frame, and the two ends of the rotating rod are hingedly connected with hinged connecting rods, and the other ends of the hinged connecting rods are respectively hingedly connected with the clamping pieces; A gas cylinder is fixedly installed on the bottom frame, and a piston rod of the gas cylinder is rotatably connected with the rotating rod.

2. The fixing tool for processing an automotive interior member according to claim 1, characterized in that: An end of the piston rod of the gas cylinder is integrally connected with a sliding ring, the rotating rod is integrally connected with a protrusion, the protrusion is inserted into the sliding ring and in sliding contact with the sliding ring.

3. The fixing tool for processing an automotive interior member according to claim 2, characterized in that: The gas cylinder is provided with two and is located on both sides of the rotating rod.

4. The fixing tool for processing an automotive interior member according to claim 1, characterized in that: Supporting blocks are fixedly installed at the two ends of the clamping piece.

5. The fixing tool for processing an automotive interior member according to claim 1, characterized in that: A sliding block is connected to the clamping piece, a fixed rod is fixedly connected to the bottom frame, and the sliding block slides on the fixed rod.

6. The fixing tool for processing an automotive interior member according to claim 1, characterized in that: The rotating rod is installed on the bottom frame through a bearing.

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