Welding fixture for machining vehicle door guide rail

Abstract

The utility model discloses a welding fixture for processing a vehicle door guide rail, which comprises a pedestal, a first clamping mechanism is arranged in the middle of the interior of the pedestal, first moving seats are arranged on two sides of the top end of the first clamping mechanism, and first driving mechanisms are arranged in the first moving seats. The clamping pieces are arranged outside the mounting blocks in a sleeving mode, the clamping blocks movably connected in the mounting blocks are inserted into the clamping grooves in the mounting grooves in one sides of the clamping pieces, so that the mounting blocks and the clamping pieces can be connected, and the vehicle door guide rail is clamped and fixed through the two sets of clamping pieces; when the clamping piece needs to be replaced according to different specifications of vehicle door guide rails, a first linear motor in a first moving seat drives a mounting block and the clamping piece to descend, at the moment, an inserting rod on a sliding rod on one side of the first moving seat can be inserted into an inserting groove in the clamping piece, and a clamping block in a clamping groove is pushed to be stored in the mounting block; at the moment, the mounting block and the clamping piece can be driven to be detached by pulling the sliding rod.

Description

TECHNICAL FIELD

[0001] The utility model relates to car door guide rail processing technical field, concretely is a kind of welding fixture for car door guide rail processing. BACKGROUND

[0002] The welding fixture for car door guide rail processing is a special tool used to fix and position the car door guide rail during the manufacturing process of automobiles. It is usually made of high-strength alloy steel or aluminum alloy and includes adjustable clamping mechanisms, positioning pins and supporting blocks to ensure accurate alignment of components during welding and reduce deformation. This ensures consistency and stability in the welding process of car door guide rails, thereby improving production quality and efficiency.

[0003] The welding fixture for car door guide rail processing of a new energy automobile disclosed in Chinese patent publication No. CN219900879U uses a motor to drive a double-threaded rod, and the fixture head moves relative to the moving guide rail to clamp and fix the two ends of the new energy automobile door guide rail. It can be adjusted axially and is suitable for welding and clamping new energy automobile door guide rails of different lengths. However, the overall applicability of the welding fixture is limited, as it can only clamp single-specification car door guide rails. For different specifications of car door guide rails, clamping may be loose or unstable, affecting the subsequent welding quality of the car door guide rail and the overall practicality of the welding fixture. SUMMARY

[0004] The utility model aims to provide a kind of welding fixture for car door guide rail processing to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of welding fixture for car door guide rail processing, including pedestal, the middle position in the inside of pedestal is provided with first clamping mechanism, the top of first clamping mechanism two sides is provided with first mobile seat, the inside of first mobile seat is provided with first drive mechanism, one side of first drive mechanism is provided with mounting block, the inside of mounting block is provided with dismounting mechanism, the outside of mounting block is equipped with clamping piece, one side in the inside of pedestal is provided with second drive mechanism, the top of second drive mechanism is provided with connecting seat, the inside of the top of connecting seat is provided with pressing mechanism, the top of pressing mechanism is provided with second fixed seat, one side of second fixed seat is equipped with electric push rod, one side of electric push rod is equipped with fixed plate, the inside of fixed plate two sides is provided with second clamping mechanism, the two ends of one side of second clamping mechanism are equipped with dust collection seat, the middle position of two clamping pieces is provided with guide rail main body.

[0006] Preferably, the first clamping mechanism comprises a servo motor installed at the middle position of the inner side of the pedestal, a double-thread rod is installed at the output shaft end of the servo motor, and threaded blocks fixedly connected with the first moving seat are arranged at the outer sides of the double-thread rod.

[0007] Preferably, the first driving mechanism comprises a first linear motor installed at the middle position of the inner side of the first moving seat, a first fixed seat is installed at one side of the first linear motor, a first motor is installed at the middle position of the inner side of the first fixed seat, and an installation block is installed at the output shaft end of the first motor.

[0008] Preferably, the disassembling mechanism comprises a sliding rod slidingly connected to the bottom end of one side of the first moving seat, a limiting block sliding in the first moving seat is fixedly connected to one side of the sliding rod, a first spring is fixedly connected to one side of the limiting block, a plug rod is fixedly connected to one side of the top end of the sliding rod, a clamping block is slidingly connected to one side of the bottom end of the installation block, a first movable block is fixedly connected to the top end of the clamping block, a second spring is fixedly connected to the top end of the first movable block, the clamping piece is provided with an installation groove into which the installation block is plugged, a clamping groove into which the clamping block is plugged is arranged at the bottom end in the installation groove, and a plug groove is arranged at the bottom end in the clamping groove.

[0009] Preferably, the second driving mechanism comprises a second linear motor installed at one side of the inner side of the pedestal, a second moving seat is installed at the top end of the second linear motor, a second motor is installed at the middle position of the inner side of the second moving seat, and a connecting seat is installed at the output shaft end of the second motor.

[0010] Preferably, the pressing mechanism comprises a hollow groove arranged at the middle position in the connecting seat, a limiting groove is arranged at the middle position of the bottom end in the hollow groove, a pressure sensor is installed at the bottom end in the limiting groove, a connecting rod fixedly connected with the second fixed seat is slidingly connected to the top end in the hollow groove, a second movable block is fixedly connected to the bottom end of the connecting rod, a third spring is fixedly connected to the bottom end of the second movable block, and a pressing rod sliding in the limiting groove is fixedly connected to the middle position of the bottom end of the second movable block.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The welding fixture for vehicle door guide rail machining, through the clamping piece outside the installation block is sleeved, and the clamping piece is inserted into the clamping groove on the one side installation groove of the clamping piece through the movable connection of the clamping block in the installation block, the connection work of the installation block and the clamping piece can be completed, and the clamping and fixing of the vehicle door guide rail are carried out through the two groups of clamping pieces, when the clamping piece needs to be replaced according to different specifications of the vehicle door guide rail, the installation block and the clamping piece are lowered through the first linear motor in the first moving seat, at this time, the insertion rod on the slide rod on one side of the first moving seat can be inserted into the insertion slot on the clamping piece, and the clamping block in the clamping groove is pushed into the inside of the installation block, at this time, the installation block and the clamping piece can be separated by pulling the slide rod, so that different specifications of clamping pieces are selected according to different specifications of the vehicle door guide rail, and the overall applicability of the vehicle door guide rail welding fixture is improved.

[0013] 2. The welding fixture for vehicle door guide rail machining, the second clamping mechanism is arranged on one side of the fixed plate, the two groups of dust collection seats can be brought into contact with the outside of the vehicle door guide rail, and the fixed plate and the dust collection seat are moved under the cooperation of the second linear motor, so that the dust cleaning and other work outside the vehicle door guide rail can be carried out, when the vehicle door guide rail welding is finished, the fixed plate and the dust collection seat are moved to the middle position of the vehicle door guide rail under the action of the second linear motor, at this time, the two groups of clamping pieces are separated from the two sides of the vehicle door guide rail, then the connecting rod and the second movable block in the connecting seat can be driven to slide under the action of the fixed plate and the second fixed seat due to the gravity of the vehicle door guide rail, at this time, the pressing rod at the bottom of the second movable block can press the pressure sensor in the connecting seat, the pressure sensor can convert the pressure signal into an electric signal, and the second motor can be started through the microcontroller, at this time, the second motor can drive the connecting seat to rotate as a whole, and the two groups of dust collection seats can drive the welded vehicle door guide rail to be quickly discharged, and the overall functionality of the vehicle door guide rail welding fixture is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structure schematic view of the utility model;

[0015] Figure 2 It is the front view structure schematic view of the utility model;

[0016] Figure 3 It is the utility model Figure 2 The enlarged structure schematic view of A in the utility model;

[0017] Figure 4 It is the front view structure schematic view of the pressing mechanism of the utility model.

[0018] In the figure: 1, pedestal; 2, first clamping mechanism; 201, servo motor; 202, bidirectional threaded rod; 203, threaded block; 204, first moving base; 205, sliding rod; 206, limit block; 207, first spring; 208, insertion rod; 3, first driving mechanism; 301, first linear motor; 302, first fixed base; 303, first motor; 4, mounting block; 5, dismounting mechanism; 501, clamping block; 502, first movable block; 503, second spring; 6, clamping piece; 601, mounting groove; 602, clamping groove; 603, insertion groove; 7, second driving mechanism; 701, second linear motor; 702, second moving base; 703, second motor; 704, connecting base; 705, hollow groove; 706, limit groove; 707, pressure sensor; 8, pressing mechanism; 801, connecting rod; 802, second movable block; 803, third spring; 804, pressing rod; 9, second fixed base; 901, electric push rod; 10, fixed plate; 11, second clamping mechanism; 12, dust collection base; 13, guide rail main body. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Please refer to Figures 1-4 The present application provides two technical solutions:

[0021] Embodiment one, a kind of welding fixture for vehicle door guide rail processing, including pedestal 1, the middle position of inside pedestal 1 is provided with first clamping mechanism 2, the top of first clamping mechanism 2 Two sides of position are provided with first moving seat 204, the inside of first moving seat 204 is provided with first drive mechanism 3, one side of first drive mechanism 3 It is provided with mounting block 4, the inside of mounting block 4 is provided with dismounting mechanism 5, the outside of mounting block 4 is equipped with clamping piece 6, one side of inside pedestal 1 It is provided with second drive mechanism 7, the top of second drive mechanism 7 is provided with connecting seat 704, the inside of the top of connecting seat 704 is provided with pressing mechanism 8, the top of pressing mechanism 8 It is provided with second fixed seat 9, one side of second fixed seat 9 is equipped with electric push rod 901, one side of electric push rod 901 It is equipped with fixed plate 10, the inside of fixed plate 10 two sides is provided with second clamping mechanism 11, two ends of one side of second clamping mechanism 11 It is equipped with dust collection seat 12, the middle position of two clamping pieces 6 is provided with guide rail main body 13, the inside specification of second clamping mechanism 11 With first clamping mechanism 2, both are provided with servo motor 201, bidirectional screw rod 202, threaded block 203, so that second clamping mechanism 11 It can drive one side dust collection seat 12 to carry out the clamping work of guide rail main body 13, while electric push rod 901 Start can promote fixed plate 10 and dust collection seat 12 and guide rail main body 13 close.

[0022] First clamping mechanism 2 includes servo motor 201 installed in the middle position of one side inside pedestal 1, the output shaft end of servo motor 201 is equipped with bidirectional screw rod 202, the outside of bidirectional screw rod 202 Two sides are threadedly connected with the threaded block 203 fixedly connected with the top of first moving seat 204, servo motor 201 can drive bidirectional screw rod 202 rotation, at this time the threaded block 203 of the two sides of the outside of bidirectional screw rod 202 It can be moved by first moving seat 204 and make two groups of clamping pieces 6 complete the clamping limit work of guide rail main body 13.

[0023] First drive mechanism 3 includes first linear motor 301 installed in the middle position of inside first moving seat 204, one side of first linear motor 301 It is equipped with first fixed seat 302, the middle position of inside first fixed seat 302 is equipped with first motor 303, the output shaft end of first motor 303 It is equipped with mounting block 4, first linear motor 301 can drive first fixed seat 302 to move up and down, while the first motor 303 in first fixed seat 302 It can drive guide rail main body 13 clamped by mounting block 4 to rotate, while the first motor 303 in two groups of first fixed seat 302 can be used alternately.

[0024] The dismounting mechanism 5 comprises a slide rod 205 slidably connected to one side of the bottom end of the first moving seat 204, one side of the slide rod 205 is fixedly connected with a limiting block 206 sliding in the first moving seat 204, one side of the limiting block 206 is fixedly connected with a first spring 207, one side of the top end of the slide rod 205 is fixedly connected with a plug rod 208, pulling the slide rod 205 can drive the limiting block 206 to slide in the first moving seat 204, and at the same time, the first spring 207 on one side is extruded, when the slide rod 205 is released, the slide rod 205 can be reset through the limiting block 206 due to the reaction force of the extruded first spring 207, and the plug rod 208 at the top end of the slide rod 205 can be inserted into the insertion slot 603 on the clamping piece 6, so that the clamping block 501 in the clamping groove 602 is pushed into the interior of the mounting block 4.

[0025] One side of the bottom end of the mounting block 4 is slidably connected with the clamping block 501, the top end of the clamping block 501 is fixedly connected with a first movable block 502, the top end of the first movable block 502 is fixedly connected with a second spring 503, one side of the clamping piece 6 is provided with a mounting slot 601 inserted with the mounting block 4, the bottom end inside the mounting slot 601 is provided with a clamping groove 602 inserted with the clamping block 501, the bottom end inside the clamping groove 602 is provided with an insertion slot 603, the clamping block 501 is extruded from the outside to the inside, and the first movable block 502 can extrude the second spring 503, at this time, the clamping block 501 can be received in the interior of the mounting block 4, when the clamping block 501 is cancelled, the clamping block 501 can be reset due to the reaction force of the extruded second spring 503, when the clamping block 501 is inserted into the clamping groove 602 in the mounting slot 601 on one side of the clamping piece 6, the connection assembly of the mounting block 4 and the clamping piece 6 can be completed.

[0026] The main difference between the second embodiment and the first embodiment is that:

[0027] A welding fixture for vehicle door rail machining, the second driving mechanism 7 comprises a second linear motor 701 installed on one side of the interior of the pedestal 1, the top end of the second linear motor 701 is installed with a second moving seat 702, a second motor 703 is installed at the middle position in the second moving seat 702, the output shaft end of the second motor 703 is installed with a connecting seat 704, the second linear motor 701 can drive the second moving seat 702 to reciprocate on the top end of the pedestal 1, and the second motor 703 in the second moving seat 702 can drive the connecting seat 704 to rotate as a whole.

[0028] The hollow groove 705 is arranged in the middle position of the inner part of the connecting seat 704 in the pressing mechanism 8, the limit groove 706 is arranged in the middle position of the bottom of the inner part of the hollow groove 705, the pressure sensor 707 is installed at the bottom of the inner part of the limit groove 706, the connecting rod 801 fixedly connected with the second fixed seat 9 is slidingly connected with the top of the hollow groove 705, the second movable block 802 is fixedly connected with the bottom of the connecting rod 801, the third spring 803 is fixedly connected with the bottom of the second movable block 802, the pressing rod 804 slidingly arranged in the limit groove 706 is fixedly connected with the middle position of the bottom of the second movable block 802, the connecting rod 801 is subjected to the gravity of the top guide rail body 13, so that the second movable block 802 can extrude the third spring 803, at this time, the pressing rod 804 at the bottom of the second movable block 802 can slide in the limit groove 706, when the pressing rod 804 presses the pressure sensor 707 in the limit groove 706, the pressure sensor 707 detects that the pressure exceeds the threshold value and can transmit the electric signal to the microcontroller, and the second motor 703 is started through the microcontroller control, and drives the connecting seat 704 to rotate, wherein the pressure sensor 707 senses the pressure to control the second motor 703 to start, which is a conventional technical field in the prior art, and the specific installation mode of the pressure sensor 707 and the second motor 703 and the connection mode of the circuit and the control method all belong to the conventional design, which will not be described in detail in this specification, and the contents not described in detail in this specification all belong to the prior art known to those skilled in the art.

[0029] In use, the guide rail body 13 to be welded is placed in the middle position of the two sets of clamping pieces 6, at this time, the servo motor 201 is started to drive the bidirectional threaded rod 202 to rotate, at this time, the two sets of threaded blocks 203 on the bidirectional threaded rod 202 can drive the two sets of first moving seats 204 at the top of the pedestal 1 to move, at this time, the first moving seat 204 can drive the clamping piece 6 to clamp and limit the guide rail body 13 through the first motor 303, at this time, the electric push rod 901 on one side of the second fixed seat 9 is started to push the fixed plate 10 to move, then the fixed plate 10 drives the two sets of dust collection seats 12 to approach the outside of the guide rail body 13, and the dust collection seat 12 can be tightly attached to the outside of the guide rail body 13 through the second clamping mechanism 11, at this time, the second linear motor 701 drives the fixed plate 10 and the dust collection seat 12 to move through the connecting seat 704, so that the dust collection seat 12 can clean the outside of the guide rail body 13, and facilitate the subsequent welding work of the guide rail body 13.

[0030] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A welding fixture for processing a door guide rail, comprising a base (1), characterized in that: The middle position inside the pedestal (1) is provided with a first clamping mechanism (2), both sides of the top end of the first clamping mechanism (2) are provided with a first moving seat (204), the inside of the first moving seat (204) is provided with a first drive mechanism (3), one side of the first drive mechanism (3) is provided with a mounting block (4), the inside of the mounting block (4) is provided with a dismounting mechanism (5), the outside of the mounting block (4) is sleeved with a clamping piece (6), one side of the inside of the pedestal (1) is provided with a second drive mechanism (7), the top end of the second drive mechanism (7) is provided with a connecting seat (704), the inside of the top end of the connecting seat (704) is provided with a pressing mechanism (8), the top end of the pressing mechanism (8) is provided with a second fixed seat (9), one side of the second fixed seat (9) is provided with an electric push rod (901), one side of the electric push rod (901) is provided with a fixed plate (10), both sides of the inside of the fixed plate (10) are provided with a second clamping mechanism (11), both ends of one side of the second clamping mechanism (11) are provided with a dust collection seat (12), and the middle position of the two clamping pieces (6) is provided with a guide rail main body (13).

2. The welding jig for processing a door guide rail according to claim 1, characterized in that: The first clamping mechanism (2) comprises a servo motor (201) mounted in the middle position inside one side of the pedestal (1), a double-thread rod (202) is mounted at the output shaft end of the servo motor (201), and the double-thread rod (202) is externally screwed at both sides.

3. The welding fixture for processing a door guide rail according to claim 1, wherein: The first drive mechanism (3) comprises a first linear motor (301) mounted in the middle position inside the first moving seat (204), a first fixed seat (302) is mounted at one side of the first linear motor (301), a first motor (303) is mounted at the middle position inside the first fixed seat (302), and the mounting block (4) is mounted at the output shaft end of the first motor (303).

4. The welding fixture for processing a door guide rail according to claim 1, wherein: The dismounting mechanism (5) comprises a sliding rod (205) slidably connected to the bottom end of one side of the first moving seat (204), a limiting block (206) slidably connected to the inside of the first moving seat (204) is fixedly connected to one side of the sliding rod (205), a first spring (207) is fixedly connected to one side of the limiting block (206), an insertion rod (208) is fixedly connected to one side of the top end of the sliding rod (205), a clamping block (501) is slidably connected to one side of the bottom end of the mounting block (4), a first movable block (502) is fixedly connected to the top end of the clamping block (501), a second spring (503) is fixedly connected to the top end of the first movable block (502), a mounting groove (601) is arranged on one side of the clamping piece (6), the mounting groove (601) is arranged in the mounting block (4), a clamping groove (602) is arranged at the bottom end in the mounting groove (601), and an insertion groove (603) is arranged at the bottom end in the clamping groove (602).

5. The welding fixture for processing a door guide rail according to claim 1, wherein: The second driving mechanism (7) comprises a second linear motor (701) installed on one side of the inside of the pedestal (1), the top end of the second linear motor (701) is provided with a second moving seat (702), the middle position of the inside of the second moving seat (702) is provided with a second motor (703), and the output shaft end of the second motor (703) is provided with a connecting seat (704).

6. The welding fixture for processing a door guide rail according to claim 1, wherein: The pressing mechanism (8) comprises a hollow groove (705) arranged in the middle position of the inside of the connecting seat (704), the middle position of the bottom end of the inside of the hollow groove (705) is provided with a limiting groove (706), the bottom end of the inside of the limiting groove (706) is provided with a pressure sensor (707), the top end of the inside of the hollow groove (705) is slidably connected with a connecting rod (801) fixedly connected with the second fixed seat (9), the bottom end of the connecting rod (801) is fixedly connected with a second movable block (802), the bottom end of the second movable block (802) is fixedly connected with a third spring (803), and the middle position of the bottom end of the second movable block (802) is fixedly connected with a pressing rod (804) sliding in the limiting groove (706).

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