Horizontal servo hot plate welding machine

Abstract

The utility model discloses a horizontal servo hot plate welding machine, and relates to the technical field of hot plate welding machines. A countertop is arranged on the inner side of the machine frame, a left end cold template is installed on the left side of the upper surface of the countertop, a right end cold template is installed on the right side of the upper surface of the countertop, and a left cold template servo driving mechanism and a right cold template servo driving mechanism which can oppositely move a hot mold are fixed to the machine frame. The left cold template servo driving mechanism comprises a left servo electric cylinder fixed to the left side, and a lead screw bearing seat and a bearing flange connecting seat are arranged at the right end of the left cold template servo driving mechanism. The hot plate welding machine solves the problems that driving devices of a left cold template and a right cold template of a common hot plate welding machine both adopt air cylinders, and due to the fact that the stroke and inertia of the air cylinders are large, the left template and the right template are poor in motion precision and low in operation flexibility, and welding precision is poor; and the vibration is large and the stability is poor during the action.

Description

TECHNICAL FIELD

[0001] The utility model relates to hot plate welding machine technical field, concretely relates to a horizontal servo hot plate welding machine. BACKGROUND

[0002] With the development of the times and the progress of science and technology, the shape and size of plastic parts tend to be diversified. Ordinary hot plate welding machine is mostly used for welding of large size workpieces and large size workpieces. The surface of the workpiece to be welded is heated by a hot plate, and the surface is melted. Then, pressure is applied to the two workpieces to make the welding surface fuse. However, for the welding of large size workpieces and small size workpieces, ordinary hot plate welding machine still has some shortcomings.

[0003] Compared with the existing hot plate welding machine, the following defects still exist: the driving device of the left and right cold mold plates of the ordinary hot plate welding machine adopts a pneumatic cylinder. Due to the large stroke and inertia of the pneumatic cylinder, the movement precision of the left and right mold plates is poor, the operation flexibility is low, and the welding precision is poor. And the oscillation is large when moving, and the stability is poor. SUMMARY

[0004] The utility model aims at providing a horizontal servo hot plate welding machine, which solves the following technical problems: the driving device of the left and right cold mold plates of the ordinary hot plate welding machine adopts a pneumatic cylinder. Due to the large stroke and inertia of the pneumatic cylinder, the movement precision of the left and right mold plates is poor, the operation flexibility is low, and the welding precision is poor. And the oscillation is large when moving, and the stability is poor.

[0005] The purpose of the utility model can be realized by the following technical solutions:

[0006] A horizontal servo hot plate welding machine, a rack;

[0007] The inner side of the rack is provided with a table panel, the upper surface of the table panel is provided with a left end cold mold plate, the upper surface of the table panel is provided with a right end cold mold plate, and the rack is fixed with a left cold mold plate servo driving mechanism and a right cold mold plate servo driving mechanism which can move towards the hot mold.

[0008] As a further scheme of the utility model: the left cold mold plate servo driving mechanism includes a left servo cylinder fixed on the left side, and the right end of the left cold mold plate servo driving mechanism is provided with a screw rod bearing seat and a bearing flange connecting seat.

[0009] As a further scheme of the utility model: the left servo cylinder is electrically connected with a PLC controller fixed on the rack.

[0010] As a further scheme of the utility model: a horizontal sliding block guide rail is installed in the rack, and a hot plate fixing frame is arranged between the left end cold mold plate and the right end cold mold plate on the sliding block guide rail.

[0011] As a further scheme of the utility model: the rack is fixed with intermediate servo drive mechanism, the intermediate servo drive mechanism includes the middle servo cylinder fixed on the hot plate fixed frame, the left side of the middle servo cylinder is connected with another group of bearing flange connecting seat and screw rod bearing seat.

[0012] As a further scheme of the utility model: the inner end of the screw rod bearing seat is provided with screw rod body, the bearing flange connecting seat is sleeved on the screw rod body, the fixed seat is integrally formed on the bearing flange connecting seat, and the fixed seat is fixed with the hot plate fixed frame.

[0013] As a further scheme of the utility model: the left servo cylinder, right servo cylinder and middle servo cylinder are all composed of motor, screw rod, screw rod nut and guide rod, the output shaft is connected with the left end cold mold plate through flange, and the right servo cylinder and middle servo cylinder are electrically connected with the PLC fixed on the rack.

[0014] The utility model has the advantages of:

[0015] 1, the speed control characteristic of left and right cold mold plate and hot mold is good, positioning is accurate, action is stable, die adjusting is convenient and accurate, welding precision is high, quality is good, can realize smooth control in whole mold movement, almost has no oscillation, keeps constant torque, and inertia is low, and compared with prior art, the noise of whole machine is low. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further described below in combination with the drawings.

[0017] Figure 1 It is the overall structure schematic view of the rack and table panel connection of the utility model,

[0018] Figure 2 It is the overall structure schematic view of the screw rod body and bearing flange connecting seat connection of the utility model,

[0019] Figure 3 It is the front view cross section structure schematic view of the rack and left end cold mold plate connection of the utility model,

[0020] Figure 4 It is the front view structure schematic view of left servo cylinder and left cold mold plate servo drive mechanism connection of the utility model.

[0021] In the figure: 1, rack; 2, left end cold die plate; 3, right end cold die plate; 4, table plate; 5, tank chain; 6, shaft coupling; 7, hot plate fixing frame; 8, sliding block guide rail; 9, screw body; 10, bearing flange connecting seat; 11, screw bearing seat; 12, sensor body; 13, left servo cylinder; 14, left cold die plate servo driving mechanism; 15, right cold die plate servo driving mechanism; 16, right servo cylinder; 17, middle servo driving mechanism; 18, middle servo cylinder. 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, rather than 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] Embodiment one

[0024] Please refer to Figure 1 , Figure 2 and Figure 4 , the utility model is a horizontal servo hot plate welding machine, specifically, the positioning is accurate, the work is smooth, there is no oscillation, the displacement precision of the hot plate can be greatly improved, and the welding quality is improved, including rack 1; the inner side of rack 1 is provided with table plate 4, the upper surface left side of table plate 4 is installed with left end cold die plate 2, the upper surface right side of table plate 4 is installed with right end cold die plate 3, rack 1 is fixed with left cold die plate servo driving mechanism 14 and right cold die plate servo driving mechanism 15 capable of moving towards hot die.

[0025] In the embodiment, preferably, the left cold die plate servo driving mechanism 14 includes the left servo cylinder 13 fixed on the left side, and the right end of the left cold die plate servo driving mechanism 14 is provided with the screw bearing seat 11 and the bearing flange connecting seat 10; the left servo cylinder 13 is electrically connected with the PLC controller fixed on the rack 1; the rack 1 is installed with the transverse sliding block guide rail 8, and the hot plate fixing frame 7 between the left end cold die plate 2 and the right end cold die plate 3 is arranged on the sliding block guide rail 8; the rack 1 is fixed with the middle servo driving mechanism 17, and the middle servo driving mechanism 17 includes the middle servo cylinder 18 fixed on the hot plate fixing frame 7, and another group of bearing flange connecting seats 10 and screw bearing seats 11 are connected to the left side of the middle servo cylinder 18.

[0026] In summary, after clamping the molds on the left end cold mold plate 2 and the right end cold mold plate 3 and the hot plate fixing frame 7 respectively, the workpiece is placed, the hot mold is first driven to push up through the intermediate servo driving mechanism 17, then the left end cold mold plate 2 and the right end cold mold plate 3 are driven to move towards each other to the workpiece and the hot plate contact and melt by the left cold mold plate servo driving mechanism 14 and the right cold mold plate servo driving mechanism 15 respectively, the hot plate is retreated, and finally the left end cold mold plate 2 and the right end cold mold plate 3 move towards each other to complete the welding. The PLC controller is used for controlling the hot mold and the left cold mold plate servo driving mechanism 14, so that the hot plate, the left end cold mold plate 2 and the right end cold mold plate 3 are accurately positioned, the movement is smooth, there is no oscillation, the displacement accuracy of the hot plate and the closing size accuracy of the left end cold mold plate 2 and the right end cold mold plate 3 are greatly improved, and the welding quality is improved as a whole.

[0027] Embodiment Two

[0028] Referring to the first embodiment shown in the drawings, the utility model discloses a welding machine, which comprises a rack 1, a hot plate 4, a left end cold mold plate 2, a right end cold mold plate 3, a hot plate fixing frame 7, a left servo electric cylinder 13, a right servo electric cylinder 16, an intermediate servo driving mechanism 17 and a sensor body 12. Figure 2 、 Figure 3 and Figure 4 The second embodiment of the utility model is shown in the drawings, and specifically, the inner end of the screw rod bearing seat 11 is provided with a screw rod body 9, the screw rod body 9 is provided with a bearing flange connecting seat 10, the bearing flange connecting seat 10 is integrally formed with a fixing seat, and the fixing seat is fixed with the hot plate fixing frame 7; the left servo electric cylinder 13, the right servo electric cylinder 16 and the intermediate servo driving mechanism 17 are all composed of a motor, a screw rod, a screw rod nut and a guide rod, the output shaft is connected with the left end cold mold plate 2 through a flange, and the right servo electric cylinder 16 and the intermediate servo driving mechanism 18 are electrically connected with the PLC fixed on the rack 1.

[0029] In summary, the right servo electric cylinder 16 is driven by setting the P ID parameter in the PLC controller, the screw rod body 9 is rotated, the bearing flange connecting seat 10 on the screw rod body 9 is driven to move linearly, and then the bearing flange connecting seat 10 is driven to move along the sliding block guide rail 8, at this time, the action principle of the left end cold mold plate 2 and the right end cold mold plate 3 is the same, and the synchronous operation of the tank chain 5, the shaft coupling 6 and the sensor body 12 is matched in the movement process.

[0030] Embodiment Three

[0031] The embodiment is obtained by combining the first embodiment and the second embodiment.

[0032] The above one embodiment of the utility model has been described in detail, but the content described can only be the preferred embodiment of the utility model, and cannot be considered as being used for limiting the implementation range of the utility model. Any equivalent change and improvement made according to the application range of the utility model should still belong to the patent coverage range of the utility model.

Claims

1. A horizontal servo hot plate welding machine, characterized in that, Comprise; Rack (1); The inner side of the rack (1) is provided with a table panel (4), the upper surface of the left side of the table panel (4) is provided with a left end cold mold plate (2), the upper surface of the right side of the table panel (4) is provided with a right end cold mold plate (3), the rack (1) is fixed with a left cold mold plate servo drive mechanism (14) and a right cold mold plate servo drive mechanism (15) which can move towards the hot mold.

2. A horizontal servo hot plate welding machine according to claim 1, characterized in that, The left cold mold plate servo drive mechanism (14) includes a left servo cylinder (13) fixed on the left side, and the right end of the left cold mold plate servo drive mechanism (14) is provided with a screw rod bearing seat (11) and a bearing flange connecting seat (10).

3. A horizontal servo hot plate welding machine according to claim 2, characterized in that, The left servo cylinder (13) is electrically connected with the PLC controller fixed on the rack (1).

4. A horizontal servo hot plate welding machine as claimed in claim 1, wherein, The rack (1) is provided with a horizontal sliding block guide rail (8) inside, and the sliding block guide rail (8) is provided with a hot plate fixing frame (7) between the left end cold mold plate (2) and the right end cold mold plate (3).

5. A horizontal servo hot plate bonding machine according to claim 4, characterized in that, The rack (1) is fixed with an intermediate servo drive mechanism (17), the intermediate servo drive mechanism (17) includes a middle servo cylinder (18) fixed on the hot plate fixing frame (7), and the left side of the middle servo cylinder (18) is connected with another set of bearing flange connecting seat (10) and screw rod bearing seat (11).

6. A horizontal servo hot plate welding machine according to claim 5, characterized in that, The inner end of the screw rod bearing seat (11) is provided with a screw rod body (9), the screw rod body (9) is provided with a bearing flange connecting seat (10), and the bearing flange connecting seat (10) is integrally formed with a fixing seat, and is fixed with the hot plate fixing frame (7) through the fixing seat.

7. A horizontal servo hot plate bonding machine according to claim 2, wherein The left servo cylinder (13), the right servo cylinder (16) and the middle servo cylinder (18) are all composed of motor, screw rod, screw nut and guide rod, the output shaft of which is connected with the left end cold mold plate (2) through flange, and the right servo cylinder (16) and the middle servo cylinder (18) are electrically connected with the PLC fixed on the rack (1). ​

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