Fixing tool for laser cutting of automobile parts

Abstract

The utility model discloses an automobile part laser cutting fixing tool which comprises a machine tool pedestal and a plurality of fixing assemblies arranged on the machine tool pedestal, each fixing assembly comprises a lower support, an upper support and a positioning piece, the lower end of the lower support is connected with the machine tool pedestal, and the upper end of the lower support is connected with the positioning piece. The upper support is connected with the lower support in the mode that the upper position and the lower position can be adjusted, and the upper end of the upper support is connected with the positioning piece. The device is high in universality, low in cost, simple and convenient to operate, and low in requirements on skills and experience of operators.

Description

TECHNICAL FIELD

[0001] The utility model relates to automobile part machining, concretely relates to a laser cutting fixing tool for automobile parts. BACKGROUND

[0002] The laser cutting is an advanced and widely used cutting process in current material processing, it has the advantages such as precision manufacturing, special cutting, one-time forming, high speed, high efficiency etc., solves many problems that cannot be solved by conventional methods in industrial production, but with the increasingly high complexity of automobile parts shape, the machining precision and hole spacing degree requirement are also continuously improved, and the positioning before automobile part cutting machining becomes an important component for guaranteeing product part machining precision and qualified rate.In automobile die manufacturing, five-axis five-linkage laser cutting machine is used to process sample parts of automobile parts. The grid fixture of each automobile part is basically made before laser cutting, and the following problems will inevitably occur in the positioning of grid fixture and automobile part.

[0003] 1. High cost: the grid fixture of each automobile part is fixedly made and cannot be interchanged, due to the complex structure, the grid fixture is usually composed of a grid base plate and a plurality of grid pieces, these components need to be accurately processed and assembled, so the manufacturing cost is relatively high.

[0004] 2. Operation difficulty: for automobile parts of different shapes and sizes, the adjustment of the grid fixture can be relatively tedious, in order to ensure that the grid fixture can be correctly positioned, the operator needs to have high skills and experience, if the operation is improper, the fixture and the automobile part can be loose, the positioning can be deviated, etc., thereby affecting the cutting quality.

[0005] When the above problems occur, the machining precision of the laser cutting of the automobile part is affected, and the automobile part can be even scrapped. UTILITY MODEL CONTENTS

[0006] Therefore, the utility model aims at providing a laser cutting fixing tool for automobile parts, which has strong versatility, low cost and simple operation, and has low skill and experience requirements for operators.

[0007] The laser cutting fixing tool for automobile parts in the utility model comprises a machine bed base and a plurality of fixing components arranged on the machine bed base, each of the fixing components comprises a lower support, an upper support and a positioning piece, the lower end of the lower support is connected with the machine bed base, the upper support is connected with the lower support in an adjustable manner, and the upper end of the upper support is connected with the positioning piece.

[0008] Furthermore, the lower bracket includes a lower mounting seat and a guide mounting frame arranged on the upper side of the lower mounting seat, a guide groove is provided on one side of the guide mounting frame, and a first clamping member is provided on the guide mounting frame; the upper bracket includes an upper mounting seat and a movable frame arranged on the lower side of the upper mounting seat, the movable frame can slide up and down along the guide groove, and the movable frame is provided with a second clamping member; the first clamping member and the second clamping member can both fix the guide mounting frame and the movable frame.

[0009] Furthermore, a first through slot is provided on the guide mounting frame, and a second through slot is provided on the movable frame, and the lengths of the first through slot and the second through slot are both in the up and down directions; the first clamping member includes a first nut seat and a first adjusting bolt, and the first adjusting bolt passes through the second through slot and is threadedly connected to the first nut seat; the second clamping member includes a second nut seat and a second adjusting bolt, and the second adjusting bolt passes through the first through slot and is threadedly connected to the second nut seat.

[0010] Furthermore, the plurality of fixing assemblies also include a pressure plate and a clamping bolt. A plurality of threaded holes are arranged in an array on the machine tool pedestal. The clamping bolt is connected to one of the threaded holes, and the pressure plate presses the lower mounting seat onto the machine tool pedestal.

[0011] Furthermore, the pressure plate includes a supporting portion and a pressure portion, the supporting portion and the pressure portion are combined in a right angle shape, a through hole is provided on the pressure portion, the lower end surface of the pressure portion away from the supporting portion is abutted against the lower mounting seat, the clamping bolt passes through the through hole and is connected to one of the threaded holes, so that the pressure portion presses the lower mounting seat onto the machine tool base.

[0012] Furthermore, the via hole is a waist-shaped hole.

[0013] Furthermore, an avoidance table is provided on the upper mounting seat, and a first mounting hole and a second mounting hole are provided on the avoidance table; the positioning member is a positioning pin or a conformal support block, the positioning pin is threadedly connected to the first mounting hole, and the conformal support block is connected to the second mounting hole through a connecting bolt.

[0014] Furthermore, the conformable support block is made of resin.

[0015] The utility model discloses beneficial effect is: the utility model discloses before utilizing five -axis five linkage laser cutting machine to the sample piece processing of automobile parts, through a plurality of fixed components respectively to the different position of the sample piece of automobile parts positioning, and can through adjusting the position of each fixed component and the position of upper support, makes the frock adapt to the size and shape of the sample piece of different automobile parts, and the versatility is strong, guarantees the repeatability and stability when the laser cutting of the automobile parts of different kinds, state, avoids the high cost of repeated design and manufacturing frock. In addition, when using this frock, the operation of adjusting and the operation of installing automobile parts after adjusting are simple, and the skill and experience requirement of operating personnel is low. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the purpose, technical scheme and beneficial effect of the utility model more clearly, the utility model provides following drawing for explanation:

[0017] Figure 1 It is the structural schematic diagram of the utility model (positioning piece is positioning pin);

[0018] Figure 2 It is the explosion structural schematic diagram of Figure 1 ;

[0019] Figure 3 It is the structural schematic diagram of the utility model (positioning piece is conformal support block);

[0020] Figure 4 It is the explosion structural schematic diagram of Figure 3 ;

[0021] Figure 5 It is the structural schematic diagram of lower support of the utility model;

[0022] Figure 6 It is the structural schematic diagram of upper support of the utility model.

[0023] Mark in drawing as follows: 1 - machine tool pedestal, 11 - threaded hole, 2 - fixed component, 21 - lower support, 211 - lower mounting seat, 212 - guide mounting frame, 213 - guide groove, 214 - first through slot, 215 - first nut seat, 216 - first adjusting bolt, 22 - upper support, 221 - upper mounting seat, 222 - movable frame, 223 - second through slot, 224 - second nut seat, 225 - second adjusting bolt, 226 - avoiding mesa, 227 - first mounting hole, 228 - second mounting hole, 23a - positioning pin, 23b - conformal support block, 24 - pressing plate, 241 - support part, 242 - pressure part, 243 - via, 25 - compression bolt, 26 - connecting bolt. DETAILED DESCRIPTION

[0024] The technical scheme of the utility model will be explained in detail below in combination with the drawings and embodiments.

[0025] As shown in the drawings, Figures 1-6 The automobile part laser cutting fixing tool in the embodiment comprises a machine tool base 1 and a plurality of fixing assemblies 2 arranged on the machine tool base 1, each of the fixing assemblies 2 comprises a lower support 21, an upper support 22 and a positioning member, the lower end of the lower support 21 is connected with the machine tool base 1, the upper support 22 is connected with the lower support 21 in an adjustable manner, and the upper end of the upper support 22 is connected with the positioning member.

[0026] The number of the fixing assemblies 2 can be three, four or more than four. Before the five-axis five-linkage laser cutting machine is used to process the sample parts of the automobile parts, the different positions of the sample parts of the automobile parts are positioned by the plurality of fixing assemblies 2, and the positions of the fixing assemblies 2 and the position of the upper support 22 can be adjusted, so that the tool can adapt to the size and shape of the sample parts of different automobile parts, has high versatility, ensures the repeatability and stability of the laser cutting of the automobile parts of different types and states, and avoids the high cost of repeated design and manufacturing of the tool. In addition, when the tool is used, the adjustment operation and the operation of installing the automobile parts after the adjustment are simple, and the skill and experience requirements of the operator are low.

[0027] In the embodiment, the lower support 21 comprises a lower mounting seat 211 and a guide mounting bracket 212 arranged on the upper side of the lower mounting seat 211, one side of the guide mounting bracket 212 is provided with a guide groove 213, and the guide mounting bracket 212 is provided with a first clamping member; the upper support 22 comprises an upper mounting seat 221 and a movable bracket 222 arranged on the lower side of the upper mounting seat 221, the movable bracket 222 can slide up and down along the guide groove 213, and the movable bracket 222 is provided with a second clamping member; the first clamping member and the second clamping member can be fixedly connected with the guide mounting bracket 212 and the movable bracket 222.

[0028] When the position of the upper support 22 is adjusted, the guide groove 213 can ensure that the movable bracket 222 moves in the up-down direction, and the first clamping member and the second clamping member can fix the relative position of the upper support 22 and the lower support 21 after the adjustment is completed.

[0029] In this embodiment, a first through slot 214 is provided on the guide mounting frame 212, and a second through slot 223 is provided on the movable frame 222. The lengths of the first through slot 214 and the second through slot 223 are both in the up and down directions; the first clamping member includes a first nut seat 215 and a first adjusting bolt 216, the first adjusting bolt 216 passes through the second through slot 223 and is threadedly connected to the first nut seat 215; the second clamping member includes a second nut seat 224 and a second adjusting bolt 225, the second adjusting bolt 225 passes through the first through slot 214 and is threadedly connected to the second nut seat 224.

[0030] The position of the movable frame 222 can be adjusted by loosening the first adjusting bolt 216 and the second adjusting bolt 225. After the adjustment is completed, tightening the first adjusting bolt 216 and the second adjusting bolt 225 can fix the relative position of the upper bracket 22 and the lower bracket 21. The lengths of the first through-slot 214 and the second through-slot 223 are both in the vertical direction, allowing the first adjusting bolt 216 and the second adjusting bolt 225 to make way for the movable frame 222 when it moves up and down.

[0031] In this embodiment, each of the fixing assemblies 2 further includes a pressure plate 24 and a clamping bolt 25. The machine tool base 1 is provided with a plurality of threaded holes 11 in an array. The clamping bolt 25 is connected to one of the threaded holes 11, and the pressure plate 24 presses the lower mounting seat 211 against the machine tool base 1. The threaded holes 11 are arranged in multiple rows and columns, enabling the fixing assemblies 2 to have multiple selectable positions. The pressure plate 24 and the machine tool base 1 clamp and secure the lower mounting seat 211, providing greater flexibility in positioning and a simpler fixing method.

[0032] In this embodiment, the pressure plate 24 includes a support portion 241 and a pressure portion 242. The support portion 241 and the pressure portion 242 are combined into a right angle. The pressure portion 242 is provided with a through hole 243. The lower end surface of the pressure portion 242 on the side away from the support portion 241 abuts against the lower mounting seat 211. The clamping bolt 25 passes through the through hole 243 and connects with one of the threaded holes 11, so that the pressure portion 242 presses the lower mounting seat 211 against the machine tool base 1. In this embodiment, the through hole 243 is a waist-shaped hole. The waist-shaped hole allows for more flexible positioning of the pressure plate 24, thereby further improving the flexibility of positioning the lower mounting seat 211.

[0033] In this embodiment, an avoidance table 226 is provided on the upper mounting seat 221, and a first mounting hole 227 and a second mounting hole 228 are provided on the avoidance table 226; the positioning member is a positioning pin 23a or a conformal support block 23b, and the positioning pin 23a is threadedly connected to the first mounting hole 227, and the conformal support block 23b is connected to the second mounting hole 228 through a connecting bolt 26.

[0034] In this embodiment, the conformable support block 23b is made of resin, which is easy to process and has low cost.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and are not limiting. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A fixture for laser cutting of automotive parts, characterized by: The invention comprises a machine tool pedestal (1) and a plurality of fixing assemblies (2) arranged on the machine tool pedestal (1), wherein the plurality of fixing assemblies (2) each comprise a lower bracket (21), an upper bracket (22) and a positioning piece, wherein the lower end of the lower bracket (21) is connected to the machine tool pedestal (1), the upper bracket (22) is connected to the lower bracket (21) in a manner that the upper and lower positions are adjustable, and the upper end of the upper bracket (22) is connected to the positioning piece.

2. The automobile parts laser cutting fixture according to claim 1, characterized in that: The lower bracket (21) includes a lower mounting seat (211) and a guide mounting frame (212) arranged on the upper side of the lower mounting seat (211), a guide groove (213) is provided on one side of the guide mounting frame (212), and a first clamping member is provided on the guide mounting frame (212); the upper bracket (22) includes an upper mounting seat (221) and a movable frame (222) arranged on the lower side of the upper mounting seat (221), the movable frame (222) can slide up and down along the guide groove (213), and the movable frame (222) is provided with a second clamping member; the first clamping member and the second clamping member can both be fixedly connected to the guide mounting frame (212) and the movable frame (222).

3. The automobile parts laser cutting fixture according to claim 2, characterized in that: The guide mounting frame (212) is provided with a first through slot (214), and the movable frame (222) is provided with a second through slot (223), and the lengths of the first through slot (214) and the second through slot (223) are both in the up-down direction; the first clamping member includes a first nut seat (215) and a first adjusting bolt (216), and the first adjusting bolt (216) passes through the second through slot (223) and is threadedly connected to the first nut seat (215); the second clamping member includes a second nut seat (224) and a second adjusting bolt (225), and the second adjusting bolt (225) passes through the first through slot (214) and is threadedly connected to the second nut seat (224).

4. The automobile parts laser cutting fixture according to claim 2, characterized in that: The plurality of fixing assemblies (2) also include a pressing plate (24) and a clamping bolt (25); a plurality of threaded holes (11) are arranged in an array on the machine tool pedestal (1); the clamping bolt (25) is connected to one of the threaded holes (11), and the pressing plate (24) presses the lower mounting seat (211) onto the machine tool pedestal (1).

5. The automobile parts laser cutting fixture according to claim 4, characterized in that: The pressure plate (24) includes a supporting portion (241) and a pressure portion (242), wherein the supporting portion (241) and the pressure portion (242) are combined into a right angle, and a through hole (243) is provided on the pressure portion (242). The lower end surface of the pressure portion (242) away from the supporting portion (241) abuts against the lower mounting seat (211), and the clamping bolt (25) passes through the through hole (243) and is connected to one of the threaded holes (11), so that the pressure portion (242) presses the lower mounting seat (211) onto the machine tool base (1).

6. The automobile parts laser cutting fixture according to claim 5, characterized in that: The through hole (243) is a waist-shaped hole.

7. The automobile parts laser cutting fixture according to claim 2, characterized in that: The upper mounting seat (221) is provided with a relief table (226), and the relief table (226) is provided with a first mounting hole (227) and a second mounting hole (228); the positioning member is a positioning pin (23a) or a conformal support block (23b), the positioning pin (23a) is threadedly connected to the first mounting hole (227), and the conformal support block (23b) is connected to the second mounting hole (228) via a connecting bolt (26).

8. The fixture for laser cutting of automobile parts according to claim 7, characterized in that: The conformable support block (23b) is made of resin.

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