Lifting platform for linear vibration friction welding machine

Abstract

The lifting platform for the linear vibration friction welding machine comprises a base and a welding die, a lifting plate is arranged at the top of the base, a fixing frame of a U-shaped structure is fixedly connected to the bottom of the lifting plate, a second air cylinder is fixedly connected to the bottom of the base, and a piston rod of the second air cylinder penetrates through the base and is fixedly connected with the bottom of the fixing frame. The bottom of the fixing frame is fixedly connected with a first air cylinder, and the top end of a piston rod of the first air cylinder is fixedly connected with the bottom of the mounting plate. A movable plate is hinged to one side of the mounting plate, a plurality of fixed plates are fixedly connected to one sides of the mounting plate and the movable plate at equal intervals, and a plurality of balls are fixedly connected to the outer sides of the fixed plates at equal intervals. Through the structure, the movable plate extension structure can enable the mold to be placed and taken down on the side close to the welding machine door body, so that the replacement operation space of the welding mold is larger, the welding mold is convenient to take and place, the operation efficiency is higher, and the convenience and practicability of replacement of the welding mold are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to linear vibration friction welding machine technical field, especially a kind of lifting platform for linear vibration friction welding machine. BACKGROUND

[0002] Linear vibration friction welding machine is a kind of efficient, environmentally friendly welding equipment, mainly used for the connection of thermoplastic, composite materials and some metal materials. Its working principle is that the friction heat generated by high-frequency linear vibration melts the material of contact surface, and realizes the welding of material under the action of pressure. This technology has the advantages of fast welding speed, high joint strength, no need to add solder, etc., and is widely used in the fields of automobile manufacturing, electronics and electrical appliances, medical devices, packaging industry, etc.

[0003] At present, some linear vibration friction welding machines, in the case of needing to replace die frequently, the planar friction between die and platform can easily cause the die bottom and platform surface to be seriously worn, which not only can cause die replacement difficult, affect replacement efficiency, but also can affect the positioning accuracy of die. In addition, the die generally needs to be placed between the upper and lower dies by using a forklift or other moving and placing equipment for taking, placing and replacing, and the operation space is limited, especially in the case of narrow internal space of equipment, the operation is inconvenient, and the time cost and replacement difficulty of die replacement are increased. Therefore, the utility model provides a lifting platform for linear vibration friction welding machine to solve the problems raised in the above background technology. SUMMARY

[0004] The utility model aims at providing a lifting platform for linear vibration friction welding machine, movable plate extension structure can make die be placed and taken down on the side close to welding machine door body, so that the replacement operation space of welding die is larger, the taking and placing of welding die are facilitated, operation efficiency is higher, and the convenience and practicality of welding die replacement are improved.

[0005] To achieve the above object, a lifting platform for linear vibration friction welding machine is provided, which comprises a base and a welding die, the base top is provided with a lifting plate, the lifting plate bottom is fixedly connected with a U-shaped structure fixing frame, the base bottom is fixedly connected with a second air cylinder, the second air cylinder piston rod penetrates through the base and is fixedly connected with the fixing frame bottom, the lifting plate bottom is provided with a mounting plate, the fixing frame bottom is fixedly connected with a first air cylinder, and the first air cylinder piston rod top end is fixedly connected with the mounting plate bottom.

[0006] The side of the mounting plate is hinged with a movable plate, the mounting plate and movable plate side are both fixedly connected with multiple fixed plates at equal intervals, the fixed plate outer side is fixedly connected with multiple balls at equal intervals, and the connection of the mounting plate and movable plate is also symmetrically provided with two positioning assemblies for positioning movable plate.

[0007] According to the lifting platform for the linear vibration friction welding machine, the positioning assembly comprises two fixed sleeves and a pin, the two fixed sleeves are fixedly connected to one side of the mounting plate and the movable plate respectively, and the pin is inserted into the fixed sleeve on the mounting plate.

[0008] According to the lifting platform for the linear vibration friction welding machine, a die holder is detachably mounted on the top of the lifting plate, the bottom die of the welding die is fixedly connected to the top of the die holder, and a plurality of fixing assemblies for fixing the die holder are arranged on the lifting plate.

[0009] According to the lifting platform for the linear vibration friction welding machine, two movable grooves are symmetrically arranged in the lifting plate, the fixing assembly comprises a screw rod movably connected to the inside of the movable groove, a bottom plate fixedly connected to the bottom end of the screw rod and located at the bottom of the movable groove, and a top plate located at the top of the movable groove, the top plate is inserted into the outside of the screw rod, and a nut is threadedly connected to the top end of the screw rod.

[0010] According to the lifting platform for the linear vibration friction welding machine, a plurality of positioning pins are fixedly connected to the top of the lifting plate at equal intervals, a positioning hole matched with the positioning pin is arranged in the die holder, and the top end of the positioning pin is provided in a semicircular structure.

[0011] According to the lifting platform for the linear vibration friction welding machine, two second guide rods are fixedly connected to the bottom of the mounting plate at equal intervals, and the second guide rods are slidably connected to the inside of the fixed frame.

[0012] According to the lifting platform for the linear vibration friction welding machine, two first guide rods are fixedly connected to the bottom of the fixed frame at equal intervals, and the first guide rods are slidably connected to the inside of the base.

[0013] The utility model has the advantages of:

[0014] 1. Compared with the prior art, the movable plate extension structure can place and remove the die on the side close to the door body of the welding machine, so that the replacement operation space of the welding die is larger, the welding die is convenient to take and place, the operation efficiency is higher, and the convenience and practicality of the welding die replacement are improved.

[0015] 2. Compared with the prior art, by arranging the mounting plate, the movable plate and the ball, the friction force during movement of the die holder can be reduced, so that the movement and adjustment of the die are facilitated. BRIEF DESCRIPTION OF DRAWINGS

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

[0017] Figure 1The first visual angle structural schematic view of the lifting platform for the linear vibration friction welding machine is shown in the figure;

[0018] Figure 2 The second visual angle structural schematic view of the lifting platform for the linear vibration friction welding machine is shown in the figure;

[0019] Figure 3 The fixing plate, the ball, the fixing sleeve and the bolt structure schematic view of the lifting platform for the linear vibration friction welding machine are shown in the figure;

[0020] Figure 4 The mounting plate and the movable plate structure schematic view of the lifting platform for the linear vibration friction welding machine are shown in the figure.

[0021] Legend:

[0022] 1, base; 2, lifting plate; 3, fixed frame; 4, mold base; 5, welding mold; 6, mounting plate; 7, movable plate; 8, fixed plate; 9, ball; 10, first cylinder; 11, second cylinder; 12, first guide rod; 13, second guide rod; 14, fixing sleeve; 15, bolt; 16, movable groove; 17, screw rod; 18, bottom plate; 19, top plate; 20, positioning pin. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0024] Reference Figures 1-4 , the utility model discloses a kind of lifting platform for linear vibration friction welding machine, it includes base 1 and welding mold 5, base 1 top is equipped with lifting plate 2, lifting plate 2 bottom is fixedly connected with the fixed frame 3 of U-shaped structure, base 1 bottom is fixedly connected with second cylinder 11, second cylinder 11 piston rod is fixedly connected with the bottom of fixed frame 3 and is penetrated through base 1, lifting plate 2 bottom is equipped with mounting plate 6, fixed frame 3 bottom is fixedly connected with first cylinder 10, and the top end of first cylinder 10 piston rod is fixedly connected with the bottom of mounting plate 6.

[0025] When the mold is replaced above the lifting plate 2, the first cylinder 10 pushes the mounting plate 6 and the ball 9 thereon to move above the surface of the lifting plate 2, and the welding mold 5 is moved above the lifting plate 2 through the ball 9, which can reduce the friction when the mold base 4 moves, thereby facilitating the movement and adjustment of the mold. When the welding mold 5 is moved above the lifting plate 2, the first cylinder 10 moves the mounting plate 6 downward, and the mold base 4 can be placed above the lifting plate 2 for fixing work, thereby ensuring the stability of the welding mold 5 during use. The second cylinder 11 can push the fixing frame 3 and the lifting plate 2 thereon to move up and down, thereby facilitating the closing and opening of the bottom mold and the upper mold of the welding mold 5.

[0026] The mounting plate 6 is hingedly connected with the movable plate 7 on one side, and a plurality of fixing plates 8 are fixedly connected to the mounting plate 6 and the movable plate 7 at equal intervals on one side. A plurality of balls 9 are fixedly connected to the outer sides of the fixing plates 8 at equal intervals. Two positioning assemblies for positioning the movable plate 7 are symmetrically arranged at the connection between the mounting plate 6 and the movable plate 7. The positioning assembly comprises two fixed sleeves 14 and a latch 15. The two fixed sleeves 14 are fixedly connected to one side of the mounting plate 6 and the movable plate 7, respectively. The latch 15 is inserted into the fixed sleeve 14 on the mounting plate 6.

[0027] The movable plate 7 is arranged to be used when the mold is replaced. The movable plate 7 is flipped to a horizontal position and is fixed by the cooperation of the latch 15 and the fixed sleeve 14. The movable plate 7 and the ball 9 thereon can carry the mold during the mold replacement. Then the operator pushes the mold above the mounting plate 6 for subsequent fixing work. Similarly, when the mold is disassembled, the movable plate 7 and the ball 9 thereon can facilitate the mold to be moved to the side near the welding machine door for removal. By arranging the movable plate 7 and the ball 9 thereon, the mold can be placed and removed near the welding machine door, thereby increasing the operation space of the welding mold 5, facilitating the placement and removal of the welding mold 5, improving the operation efficiency, and improving the convenience and practicality of the welding mold 5 replacement.

[0028] The mold base 4 is detachably mounted on the top of the lifting plate 2. The bottom mold of the welding mold 5 is fixedly connected to the top of the mold base 4. A plurality of fixing assemblies for fixing the mold base 4 are arranged on the lifting plate 2. Two movable grooves 16 are symmetrically arranged in the lifting plate 2. The fixing assembly comprises a screw 17 movably connected in the movable groove 16, a bottom plate 18 fixedly connected to the bottom end of the screw 17 and located at the bottom of the movable groove 16, and a top plate 19 located at the top of the movable groove 16. The top plate 19 is inserted into the outer side of the screw 17, and a nut is threadedly connected to the top end of the screw 17.

[0029] When the mold seat 4 falls above the lifting plate 2, the top plate 19 is rotated to the upper side of the mold seat 4, and the rotation of the nut can realize the fixation of the mold seat 4. When the welding mold 5 needs to be replaced, the nut is loosened to separate the top plate 19 from the mold seat 4, and then the installation plate 6 is lifted upward to disassemble and replace the mold seat 4, which is simple and convenient to operate.

[0030] A plurality of positioning pins 20 are fixedly connected to the top of the lifting plate 2 in equidistant symmetry, the mold seat 4 is internally provided with positioning holes matched with the positioning pins 20 for plug-in connection, and the top end of the positioning pin 20 is provided with a semicircular structure, which facilitates the rapid positioning and installation of the mold seat 4.

[0031] The bottom of the installation plate 6 is fixedly connected with two second guide rods 13 in symmetry, the second guide rods 13 are slidingly connected in the fixed frame 3, and the stability of the installation plate 6 during lifting is ensured. The bottom of the fixed frame 3 is fixedly connected with two first guide rods 12 in symmetry, the first guide rods 12 are slidingly connected in the base 1, and the stability of the fixed frame 3 and the lifting plate 2 during lifting is ensured.

[0032] Working principle: when the mold is replaced, the movable plate 7 is flipped to the horizontal position, and is fixed by the cooperation of the plug pin 15 and the fixed sleeve 14, and the movable plate 7 and the ball 9 thereon can bear the mold during replacement;

[0033] The nut is loosened to separate the top plate 19 from the mold seat 4, the first air cylinder 10 pushes the installation plate 6 and the ball 9 thereon to move above the surface of the lifting plate 2, so that the mold seat 4 is separated from the lifting plate 2, the welding mold 5 is moved above the movable plate 7 through the ball 9, the friction force during the movement of the mold seat 4 is reduced, and the mold is moved to the side close to the door body of the welding machine for removal;

[0034] The mold to be replaced is placed above the ball 9 of the movable plate 7, the welding mold 5 is moved above the lifting plate 2 through the ball 9, the friction force during the movement of the mold seat 4 is reduced, and the movement and adjustment of the mold are facilitated. When the welding mold 5 is moved above the lifting plate 2, the first air cylinder 10 moves the installation plate 6 downward, and the mold seat 4 can be placed above the lifting plate 2 for fixation, which ensures the stability of the welding mold 5 during use. The second air cylinder 11 can push the fixed frame 3 and the lifting plate 2 thereon to move up and down, thereby facilitating the clamping and unclamping of the bottom mold and the upper mold of the welding mold 5.

[0035] By setting the installation plate 6, the movable plate 7 and the ball 9, the friction force during the movement of the mold seat 4 can be reduced, thereby facilitating the movement and adjustment of the mold; at the same time, the extension structure of the movable plate 7 can make the mold placed and removed on the side close to the door body of the welding machine, thereby increasing the operation space of the welding mold 5, facilitating the placement and removal of the welding mold 5, improving the operation efficiency, and being beneficial to improving the convenience and practicality of the replacement of the welding mold 5.

[0036] The utility model embodiment makes the detailed explanation in combination with the drawing, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range of ordinary skill in the art person who has possessed under the premise of not departing from the utility model tenet.

Claims

1. A lift table for a linear vibration friction welding machine, characterized by, Including base (1) and welding mould (5), the top of base (1) is equipped with lifting plate (2), the bottom of lifting plate (2) is fixedly connected with the fixed frame (3) of U-shaped structure, the bottom of base (1) is fixedly connected with second cylinder (11), the piston rod of second cylinder (11) penetrates base (1) and is fixedly connected with the bottom of fixed frame (3), the bottom of lifting plate (2) is equipped with mounting plate (6), the bottom of fixed frame (3) is fixedly connected with first cylinder (10), the top end of piston rod of first cylinder (10) is fixedly connected with the bottom of mounting plate (6); One side of mounting plate (6) is hinged with movable plate (7), a plurality of fixed plates (8) are fixedly connected on one side of mounting plate (6) and movable plate (7) at equal intervals, a plurality of ball bearings (9) are fixedly connected on the outer side of fixed plate (8) at equal intervals, the connecting place of mounting plate (6) and movable plate (7) is also symmetrically provided with two positioning assemblies for positioning movable plate (7).

2. The lift table for a linear vibration friction welding machine according to claim 1, wherein The positioning assembly includes two fixed sleeves (14) and a bolt (15), the two fixed sleeves (14) are fixedly connected on one side of mounting plate (6) and movable plate (7) respectively, and the bolt (15) penetrates the inside of fixed sleeve (14) on mounting plate (6).

3. The lift table for a linear vibration friction welding machine according to claim 2, wherein The top of lifting plate (2) is detachably mounted with mould seat (4), the bottom die of welding mould (5) is fixedly connected to the top of mould seat (4), and a plurality of fixing assemblies for fixing mould seat (4) are arranged on lifting plate (2).

4. The lift table for a linear vibration friction welding machine according to claim 3, wherein Two movable grooves (16) are symmetrically arranged in the inside of lifting plate (2), the fixing assembly includes screw rod (17) movably connected in the inside of movable groove (16), bottom plate (18) fixedly connected to the bottom end of screw rod (17) and located at the bottom of movable groove (16), and top plate (19) located at the top of movable groove (16), the top plate (19) penetrates the outside of screw rod (17), and the top end of screw rod (17) is threadedly connected with nut.

5. The lift table for a linear vibration friction welding machine according to claim 4, wherein A plurality of positioning pins (20) are fixedly connected on the top of lifting plate (2) at equal intervals, a plurality of positioning holes are arranged in the inside of mould seat (4) and matched with the insertion of positioning pins (20), and the top end of positioning pin (20) is provided as a semicircular structure.

6. A lift table for a linear vibration friction welding machine according to claim 5, wherein Two second guide rods (13) are symmetrically fixedly connected to the bottom of mounting plate (6), and the second guide rod (13) is slidingly connected in the inside of fixed frame (3).

7. A lift table for a linear vibration friction welding machine as defined in claim 6 wherein, Two first guide rods (12) are symmetrically fixedly connected to the bottom of fixed frame (3), and the first guide rod (12) is slidingly connected in the inside of base (1).

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