Double-station welding machine for automobile plastic parts

Abstract

The utility model discloses a double-station welding machine for automobile plastic parts, which comprises a welding table, a machine cover is arranged on the welding table, a translation mechanism capable of moving back and forth is arranged on the welding table, and a first station and a second station capable of synchronously moving in opposite directions are further arranged on the translation mechanism; the translation mechanism comprises a supporting table, the supporting table is arranged on the welding table, a longitudinal nut seat is further arranged at the bottom of the supporting table, the longitudinal nut seat is connected with a ball screw, the ball screw is rotationally arranged in an adjusting groove, and the adjusting groove is formed in the middle of the upper surface of the welding table; the supporting table is further provided with an opposite moving structure used for controlling the first station and the second station to move, workpieces can be conveniently and rapidly taken and placed, meanwhile, the workpieces can be rapidly clamped and loosened, and the workpiece taking and placing efficiency is improved; workpieces of different specifications can be clamped and fixed, meanwhile, stable welding extrusion force can be provided, and the welding efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of plastic part production, specifically relates to a double-station welding machine for automobile plastic parts. BACKGROUND

[0002] The automobile plastic part (or automobile plastic part) is the automobile part with high molecular material as the core, and is mainly applied to the body structure except the frame, the interior and exterior decoration and the functional module, and needs to use the welding machine to weld and connect the plastic part in the automobile plastic part production process.

[0003] The existing plastic part welding machine cannot simultaneously feed and discharge the double stations when in use, is inconvenient to take and place the workpiece, cannot synchronously adjust the clamping and fixing positions according to the specifications of the workpiece, and cannot quickly clamp and fix the workpiece, thereby affecting the welding efficiency, and therefore the double-station welding machine for automobile plastic parts is provided. UTILITY MODEL CONTENTS

[0004] The utility model discloses a double-station welding machine for automobile plastic parts, which solves the problem of the existing plastic part welding machine in the prior art, which cannot simultaneously feed and discharge the double stations when in use, is inconvenient to take and place the workpiece, cannot synchronously adjust the clamping and fixing positions according to the specifications of the workpiece, and cannot quickly clamp and fix the workpiece, thereby affecting the welding efficiency.

[0005] To achieve the above object, the utility model provides the following technical scheme: a double-station welding machine for automobile plastic parts, comprising a welding table, a machine cover is arranged on the welding table, a translation mechanism for forward and backward displacement is arranged on the welding table, and a first station and a second station that can move synchronously in opposite directions are further arranged on the translation mechanism.

[0006] The translation mechanism comprises a support table, the support table is arranged on the welding table, a longitudinal screw nut seat is further arranged at the bottom of the support table, the longitudinal screw nut seat is connected with a ball screw, the ball screw is rotationally arranged in an adjusting groove, and the adjusting groove is arranged in the middle of the upper surface of the welding table.

[0007] The support table is further provided with an opposite movement structure for controlling the movement of the first station and the second station, and the first station and the second station are used for quickly clamping and fixing the plastic workpiece.

[0008] Preferably, guide rails are arranged on the welding table on both sides of the adjusting groove, guide sliding grooves are further arranged on both sides of the support table, and the guide sliding grooves are slidingly arranged on the guide rails, thereby improving the guidance of the movement of the support table.

[0009] Preferably, the opposite moving structure comprises a bidirectional screw rod, the bidirectional screw rod is rotationally arranged in a mounting groove arranged on the upper side of the support table, one end of the bidirectional screw rod is connected with the driving shaft of the second servo motor, and the second servo motor is arranged on the side surface of the support table and can control the rotating direction of the bidirectional screw rod.

[0010] Preferably, the first screw nut seat and the second screw nut seat are arranged on the two sides of the bidirectional screw rod respectively, the first screw nut seat is connected with the first station, the second screw nut seat is connected with the second station, and the first station and the second station are synchronously driven to move oppositely through the opposite movement of the first screw nut seat and the second screw nut seat.

[0011] Preferably, the first station and the second station are of the same structure, the first station comprises a bearing seat, and two groups of clamping assemblies capable of moving synchronously oppositely are arranged on the two sides of the bearing seat.

[0012] Preferably, the clamping assembly comprises a clamping plate, the clamping plate is arranged on one side of the bearing seat, a guide block is arranged at the bottom of the clamping plate, one end of the guide block is slidably arranged in a guide groove arranged on the side surface of the bearing seat, a groove body is further arranged on the side surface in the guide groove, a gas cylinder is arranged in the groove body, and the piston rod of the gas cylinder is connected with the guide block, so that the workpiece can be quickly clamped and fixed.

[0013] Preferably, a cross beam is further arranged in the machine cover, a mounting frame is arranged on the cross beam, and a heat plate welding head capable of moving up and down is further arranged on the mounting frame, so that the workpiece welding surface can be hot melt welded.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] (1) The first station and the second station can be synchronously moved in parallel, so that the workpiece can be quickly taken and placed, the workpiece can be quickly clamped and released by the first station and the second station, and the taking and placing efficiency of the workpiece is improved.

[0016] (2) The first station and the second station can be synchronously moved oppositely, so that the clamping and fixing of workpieces of different specifications can be met, stable welding extrusion force can be provided, workpiece welding can be completed, and the welding efficiency is improved. DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a split structure schematic view of the translation mechanism in the utility model;

[0019] Figure 3 It is a half-section structure schematic view of the support table in the utility model.

[0020] Figure 4 It is the half profile structure schematic view of the first station in the utility model;

[0021] In the figure: 1, translation mechanism; 2, servo controller; 3, first station; 4, second station; 5, machine base; 6, welding table; 7, crossbeam; 8, machine cover; 9, mounting frame; 10, hot plate welding head; 31, bearing seat; 32, guide slot; 33, clamping plate; 34, groove body; 35, air cylinder; 36, guide block; 101, support table; 102, first servo motor; 103, longitudinal nut seat; 104, ball screw; 105, adjusting groove; 106, guide rail; 107, guide sliding slot; 108, mounting groove; 109, first nut seat; 110, bidirectional screw rod; 111, second nut seat; 112, second servo motor. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figure 1 And Figure 2 The utility model provides a kind of technical scheme: a double-station welding machine for automobile plastic parts, machine cover 8 is arranged on welding table 6, machine base 5 is also arranged on the bottom of welding table 6, translation mechanism 1 for being able to displace forward and backward is arranged on welding table 6, first station 3 and second station 4 capable of synchronous movement are also arranged on translation mechanism 1, and workpiece can be quickly clamped and fixed by first station 3 and second station 4;

[0024] Translation mechanism 1 includes support table 101, support table 101 is arranged on welding table 6, longitudinal nut seat 103 is also arranged on the bottom of support table 101, longitudinal nut seat 103 is connected with ball screw 104, ball screw 104 is rotationally arranged in adjusting groove 105, and one end of ball screw 104 is connected with the drive shaft of first servo motor 102, first servo motor 102 is arranged on the one side surface of welding table 6, and adjusting groove 105 is arranged in the middle of the upper surface of welding table 6.

[0025] The first servo motor 102 controls the forward rotation of the ball screw 104, the longitudinal nut base 103 moves, the longitudinal nut base 103 moves to drive the support table 101 to move forward, the support table 101 moves to drive the first station 3 and the second station 4 to move forward synchronously, thereby moving the first workpiece and the second workpiece to one side of the welding table 6, then taking and placing the workpiece, and then reversing the rotation of the first servo motor 102 to control the ball screw 104, moving the support table 101 through the longitudinal nut base 103, and moving the workpiece to the welding position.

[0026] Further, the welding table 6 on both sides of the adjusting groove 105 is provided with a guide rail 106, and the support table 101 is also provided with a guide sliding groove 107, which is slidingly arranged on the guide rail 106. When the longitudinal nut base 103 drives the support table 101 to move, the support table 101 drives the guide sliding groove 107 to move along one end of the guide rail 106, thereby improving the guidance of the support table 101 when moving.

[0027] Please refer to Figure 3 The support table 101 is also provided with an opposite moving structure, which comprises a bidirectional screw rod 110, the bidirectional screw rod 110 being rotatably arranged in a mounting groove 108 provided on the upper side of the support table 101, one end of the bidirectional screw rod 110 being connected with a driving shaft of a second servo motor 112, the second servo motor 112 being arranged on the side surface of the support table 101 and capable of controlling the rotation direction of the bidirectional screw rod 110; a first nut base 109 and a second nut base 111 are arranged on both sides of the bidirectional screw rod 110, respectively, the first nut base 109 being connected with the first station 3, and the second nut base 111 being connected with the second station 4, the first station 3 and the second station 4 being synchronously driven to move oppositely through the opposite movement of the first nut base 109 and the second nut base 111.

[0028] According to the specifications of the workpiece, the distance between the first station 3 and the second station 4 can be adjusted, the first nut and the second nut are oppositely moved by rotating the bidirectional screw rod 110 driven by the second servo motor 112, the first station 3 and the second station 4 are oppositely moved by the first nut and the second nut, then the workpiece is clamped and fixed by the first station 3 and the second station 4, then the surfaces of the two workpieces are hot-melted by the hot plate welding head 10, the hot plate welding head 10 is removed, the first station 3 and the second station 4 are oppositely moved by reversing the rotation of the bidirectional screw rod 110, and the welding surface is extruded, thereby completing the welding of the workpiece.

[0029] Please refer to Figure 4, the first station 3 and the second station 4 are the same structure, the first station 3 includes a bearing seat 31, two groups of clamping assemblies capable of moving synchronously are arranged on the both sides of the bearing seat 31; the clamping assembly includes a clamping plate 33, the clamping plate 33 is arranged on one side of the bearing seat 31, a guide block 36 is arranged at the bottom of the clamping plate 33, one end of the guide block 36 is slidably arranged in a guide groove 32, the guide groove 32 is arranged on the side surface of the bearing seat 31, a groove body 34 is further arranged on the side surface in the guide groove 32, a cylinder 35 is arranged in the groove body 34, the piston rod of the cylinder 35 is connected with the guide block 36, through the synchronous extension and contraction of the cylinder 35, the workpiece can be quickly clamped and fixed and relaxed.

[0030] The workpiece is placed between the two groups of clamping plates 33, and the two groups of cylinders 35 are controlled to extend at the same time, the guide block 36 is driven to move by the cylinder 35, the two groups of clamping plates 33 are synchronously driven to move oppositely by the guide block 36, and the two groups of clamping plates 33 are attached to the side surfaces of the workpiece, so that the workpiece is clamped and fixed, and the clamping plate 33 can be separated from the workpiece by controlling the cylinder 35 to retract synchronously, and the workpiece can be relaxed.

[0031] Further, the cross beam 7 is further arranged in the machine cover 8, the mounting frame 9 is arranged on the cross beam 7, the hot plate welding head 10 capable of lifting and moving is further arranged on the mounting frame 9, specifically, the electric push rod or the hydraulic cylinder can be installed on the mounting frame 9 to control the lifting of the hot plate welding head 10, and the hot melting welding of the workpiece welding surface can be realized.

[0032] The servo controller 2 is further arranged on one side of the welding table 6 in the application, the servo controller 2 can control the first servo motor 102, the second servo motor 112, the cylinder 35, the hot plate welding head 10 and the lifting of the hot plate welding head 10.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A dual-station welding machine for automotive plastic parts, characterized in that: It includes a welding table (6), a machine cover (8) is provided on the welding table (6), a translation mechanism (1) for forward and backward displacement is provided on the welding table (6), and a first station (3) and a second station (4) for synchronous movement in opposite directions are also provided on the translation mechanism (1). The translation mechanism (1) includes a support platform (101), which is set on the welding platform (6). A longitudinal screw nut seat (103) is also set at the bottom of the support platform (101). The longitudinal screw nut seat (103) is connected to a ball screw (104). The ball screw (104) is rotatably set in an adjustment groove (105). The adjustment groove (105) is set in the middle of the upper surface of the welding platform (6). The support platform (101) is also provided with a countermoving structure for controlling the movement of the first station (3) and the second station (4), which are used to quickly clamp and fix the plastic workpiece.

2. The dual-station welding machine for automotive plastic parts according to claim 1, characterized in that: Guide rails (106) are provided on the welding tables (6) on both sides of the adjustment groove (105), and guide grooves (107) are also provided on both sides of the support platform (101). The guide grooves (107) are slidably arranged on the guide rails (106).

3. The dual-station welding machine for automotive plastic parts according to claim 1, characterized in that: The opposing moving structure includes a bidirectional lead screw (110), which is rotatably disposed in a mounting groove (108). The mounting groove (108) is disposed on the upper side of the support platform (101). One end of the bidirectional lead screw (110) is connected to the drive shaft of a second servo motor (112), which is disposed on one side surface of the support platform (101).

4. A dual-station welding machine for automotive plastic parts according to claim 3, characterized in that: The bidirectional lead screw (110) is provided with a first lead screw seat (109) and a second lead screw seat (111) on both sides respectively. The first lead screw seat (109) is connected to the first station (3), and the second lead screw seat (111) is connected to the second station (4).

5. A dual-station welding machine for automotive plastic parts according to claim 1 or 4, characterized in that: The first workstation (3) and the second workstation (4) have the same structure. The first workstation (3) includes a support seat (31), and two sets of clamping components that can move synchronously in opposite directions are provided on both sides of the support seat (31).

6. A dual-station welding machine for automotive plastic parts according to claim 5, characterized in that: The clamping assembly includes a clamping plate (33), which is disposed on one side of the support seat (31). A guide block (36) is disposed at the bottom of the clamping plate (33). One end of the guide block (36) is slidably disposed in a guide groove (32). The guide groove (32) is disposed on one side surface of the support seat (31). A groove body (34) is also disposed on one side surface of the guide groove (32). A cylinder (35) is disposed in the groove body (34). The piston rod of the cylinder (35) is connected to the guide block (36).

7. A dual-station welding machine for automotive plastic parts according to claim 1, characterized in that: A crossbeam (7) is also provided inside the machine cover (8), and a mounting bracket (9) is provided on the crossbeam (7). A hot plate welding head (10) that can be lifted and moved is also provided on the mounting bracket (9).

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