Plastic part vibration welding device

Abstract

The utility model discloses a plastic part vibration welding device, which relates to the technical field of vibration welding and comprises a vibration welding component. A movable assembly, the movable assembly comprises a telescopic spring connected to the inner bottom end of the lower die, a movable plate connected to the top end of the telescopic spring, jacking columns connected to the four corners of the upper end of the movable plate, a sliding groove formed in the outer side of the bottom end of the movable plate, pulleys placed at the two ends of the inner portion of the sliding groove, and supporting columns connected to the bottom ends of the pulleys. The fixing blocks are connected to the bottom ends of the supporting columns, the first fixing grooves are formed in the two ends of the outer side of the lower mold, and the second fixing grooves are formed in the two ends of the outer side of the lower mold; according to the vibration welding machine, the movable assembly is utilized, and the problem that when an existing vibration welding machine is used for welding plastic parts, the plastic parts are usually placed in the upper vibration mold and the lower vibration mold respectively, and due to the fact that the plastic parts are generally clamped in the lower mold, the welded plastic parts are difficult to take out from the interior of the lower mold under the action of pressure is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of vibration welding, in particular to a plastic part vibration welding device. Background Art

[0002] Vibration welding, also known as vibration welding, is based on the principle of friction welding. This welding method applies pressure between the upper and lower thermoplastic parts and makes them vibrate at a specific frequency and amplitude, thereby generating enough friction heat and shear heat to fully melt the contact surface. When joining plastic parts, a vibration welding machine is usually used.

[0003] When welding plastic parts, the existing vibration welding machine usually places the plastic parts in the vibration upper mold and the lower mold respectively. Since the plastic parts are generally stuck in the lower mold, it is difficult to remove the plastic parts from the lower mold under pressure after welding, which is inconvenient to use. Utility Model Content

[0004] The purpose of the utility model is to provide a plastic part vibration welding device to solve the problem mentioned in the above background technology that when the existing vibration welding machine welds the plastic parts, the plastic parts are usually placed in the vibration upper mold and the lower mold respectively. Since the plastic parts are generally stuck in the lower mold, it is difficult to take the plastic parts out from the lower mold under pressure after welding, which is inconvenient to use.

[0005] In order to solve the above technical problems, the utility model provides a plastic part vibration welding device, comprising:

[0006] A vibration welding assembly, the vibration welding assembly comprising a vibration welding machine and a lower mold;

[0007] A movable component, the movable component includes a telescopic spring connected to the bottom end of the lower mold, a movable plate connected to the top end of the telescopic spring, a top column connected to the four corners of the upper end of the movable plate, a slide groove opened at the outer side of the bottom end of the movable plate, pulleys placed at the two end positions inside the slide groove, a support column connected to the bottom end of the pulley, a fixed block connected to the bottom end of the support column, a first fixed groove opened at the two end positions of the outer side of the lower mold, and a second fixed groove opened at the two end positions of the outer side of the lower mold.

[0008] Furthermore, the vibration welding assembly also includes a hydraulic rod connected to the bottom end of the vibration welding machine and a vibration upper mold connected to the top end of the vibration welding machine, and the lower mold is connected to the top end of the hydraulic rod.

[0009] Furthermore, the first fixing groove and the second fixing groove are opened relative to the fixing block, and the height of the first fixing groove is higher than the height of the second fixing groove.

[0010] Furthermore, the slide groove is a T-shaped structure, and the fixed block is located at the bottom end of the movable plate.

[0011] Furthermore, the outer side of the fixed block extends outward beyond the outer side of the movable plate, and the top column penetrates the lower mold and extends upward.

[0012] Furthermore, it also includes a preheating component, which includes an electric telescopic rod connected to the upper end position of the inner side of the vibration welding machine, a fixed plate connected to the outer end position of the electric telescopic rod, a through hole opened in the inner position of the fixed plate, and a heating plate connected to the central position inside the fixed plate.

[0013] Furthermore, the through hole is opened corresponding to the heating plate, and the heating plate is located at the central position inside the through hole.

[0014] Further, the fixing plate is located between the vibrating upper mold and the lower mold, and the fixing plate does not contact the outer sides of the vibrating upper mold and the lower mold.

[0015] Compared with the prior art, the utility model has the following beneficial effects: by setting a movable assembly and moving the position of the fixed block, the movable plate is moved upward under the elastic force of the telescopic spring, and the movable plate moves upward to drive the ejector column to move upward, so that the plastic part inside the lower mold is ejected upward by the ejector column, thereby facilitating the removal of the plastic part, and by moving the fixed block to the inside of the second fixed groove, the movable plate can be located at a lower position inside the lower mold, and the movable plate drives the ejector column to move to the inside of the lower mold, which will not affect the placement of the plastic part, and the operation is simple and convenient to use;

[0016] At the same time, by setting up a preheating component and controlling the extension of the electric telescopic rod, the electric telescopic rod drives the fixed plate to move inward, so that the heating plate inside the fixed plate and the plastic part welding position correspond to each other, and the heat generated by the heating plate is preheated from the through-hole position to the plastic parts on both sides, thereby reducing the vibration welding time of the plastic parts and reducing the vibration friction between the plastic parts, thereby avoiding damage to the plastic parts due to excessive vibration friction. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is the front view of the utility model;

[0019] Figure 2 This is a structural diagram of the vibration welding assembly of the utility model;

[0020] Figure 3 This is a structural diagram of the active components of the utility model;

[0021] Figure 4 It is a cross-sectional view of the active component of the utility model;

[0022] Figure 5 This is a structural diagram of the preheating component of the utility model.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 11. Vibration welding machine; 12. Hydraulic rod; 13. Lower mold; 14. Vibration upper mold; 21. Telescopic spring; 22. Movable plate; 23. Top column; 24. Slide groove; 25. Pulley; 26. Support column; 27. Fixed block; 28. First fixed groove; 29. ​​Second fixed groove; 31. Electric telescopic rod; 32. Fixed plate; 33. Through hole; 34. Heating plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-4 As shown, this embodiment is a plastic part vibration welding device, comprising:

[0027] A vibration welding assembly, the vibration welding assembly comprises a vibration welding machine 11 and a lower mold 13;

[0028] A movable assembly, the movable assembly includes a telescopic spring 21 connected to the bottom end of the lower mold 13, a movable plate 22 connected to the top end of the telescopic spring 21, a top column 23 connected to the four corners of the upper end of the movable plate 22, a slide groove 24 opened at the outer position of the bottom end of the movable plate 22, a pulley 25 placed at both ends of the slide groove 24, a support column 26 connected to the bottom end of the pulley 25, a fixed block 27 connected to the bottom end of the support column 26, a first fixed groove 28 opened at both ends of the outer side of the lower mold 13, and a second fixed groove 29 opened at both ends of the outer side of the lower mold 13;

[0029] The telescopic spring 21 is used to drive the movable plate 22 to reset, the movable plate 22 is used to support the ejector column 23, the ejector column 23 is used to eject the plastic part in the lower mold 13 upward, the slide groove 24 is used to place the pulley 25, the pulley 25 is used to drive the support column 26 to move, the support column 26 is used to drive the fixed block 27 to move, the fixed block 27 is used to limit the movable plate 22, and the first fixed groove 28 and the second fixed groove 29 are used to limit the fixed block 27;

[0030] The vibration welding assembly also includes a hydraulic rod 12 connected to the bottom end of the vibration welding machine 11 and a vibration upper mold 14 connected to the top end of the vibration welding machine 11, and a lower mold 13 is connected to the top end of the hydraulic rod 12;

[0031] The vibration welding machine 11 is used to perform vibration welding on the plastic parts, the hydraulic rod 12 is used to drive the lower mold 13 to rise, and the lower mold 13 and the vibration upper mold 14 are respectively used to place the plastic parts to be welded;

[0032] The first fixing groove 28 and the second fixing groove 29 are opened relative to the fixing block 27, and the height of the first fixing groove 28 is higher than the height of the second fixing groove 29;

[0033] When the fixing block 27 is located inside the first fixing groove 28, the telescopic spring 21 is in a state of being free of stress, and when the fixing block 27 is located inside the second fixing groove 29, the telescopic spring 21 is in a compressed state;

[0034] The slide groove 24 is a T-shaped structure, and the fixed block 27 is located at the bottom end of the movable plate 22;

[0035] The pulley 25 can move inside the slide groove 24 and drive the fixed block 27 to move through the support column 26;

[0036] The outer side of the fixed block 27 extends outward beyond the outer side of the movable plate 22, and the top column 23 extends upward through the lower mold 13;

[0037] By changing the position of the fixed block 27, the position of the movable plate 22 can be changed;

[0038] Working principle: When it is necessary to take out the plastic part in the lower mold 13, a downward force is applied to the fixed block 27. When the fixed block 27 moves out from the second fixed groove 29, a horizontal movement force is applied to the fixed block 27, so that the fixed block 27 moves inward to the first fixed groove 28 under the drive of the pulley 25. Under the elastic force of the telescopic spring 21, the telescopic spring 21 drives the movable plate 22 to move upward, and the movable plate 22 drives the ejector 23 to move upward. The ejector 23 applies an upward force to the plastic part in the lower mold 13, so that the plastic part can be ejected from the lower mold 13.

[0039] After the plastic part is ejected from the lower mold 13, a downward force is applied to the fixed block 27 to move the fixed block 27 out from the second fixed groove 29, and a horizontal movement force is applied to the fixed block 27 to move the fixed block 27 outward to the second fixed groove 29. At this time, the fixed block 27 drives the movable plate 22 to move downward through the support column 26 and the pulley 25, and the movable plate 22 drives the ejector column 23 to move downward and drives the telescopic spring 21 to be compressed. The ejector column 23 moves downward to the lower mold 13, and the next group of plastic parts to be welded can be placed.

[0040] See also Figure 5 As shown, this embodiment is based on the above embodiment and also includes:

[0041] A preheating assembly, the preheating assembly includes an electric telescopic rod 31 connected to the upper end of the inner side of the vibration welding machine 11, a fixing plate 32 connected to the outer end of the electric telescopic rod 31, a through hole 33 opened in the inner position of the fixing plate 32, and a heating plate 34 connected to the central position of the fixing plate 32;

[0042] The electric telescopic rod 31 is used to drive the fixed plate 32 to move, the fixed plate 32 is used to support the heating plate 34, the through hole 33 is used to guide the heat of the heating plate 34, and the heating plate 34 is used to generate heat;

[0043] The through hole 33 is opened corresponding to the heating plate 34, and the heating plate 34 is located at the central position inside the through hole 33;

[0044] When the heating plate 34 is heated, the heat can be discharged outward from both ends of the through hole 33;

[0045] The fixing plate 32 is located between the vibrating upper mold 14 and the lower mold 13, and the fixing plate 32 does not contact the outer sides of the vibrating upper mold 14 and the lower mold 13;

[0046] The fixed plate 32 maintains a distance from the vibrating upper mold 14 and the lower mold 13 so that the fixed plate 32 does not contact the plastic part;

[0047] Working principle: When preheating the plastic part, start the hydraulic rod 12, so that the hydraulic rod 12 drives the lower mold 13 to move upward, and then start the electric telescopic rod 31, so that the electric telescopic rod 31 drives the fixed plate 32 to move inward, and the movement of the fixed plate 32 drives the heating plate 34 to move inward. When the heating plate 34 moves to the corresponding position of the plastic part welding, the electric telescopic rod 31 stops extending, and then starts the heating plate 34. The heating plate 34 heats to generate heat, and the heat is discharged to the plastic part welding position through the through hole 33, so that the plastic part welding position can be preheated. After the preheating is completed, the electric telescopic rod 31 is controlled to shorten, and the hydraulic rod 12 is controlled to move upward at the same time, so that the plastic part can be welded under the action of the vibration welding machine 11.

[0048] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0049] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A plastic part vibration welding device, characterized in that: include: A vibration welding assembly, the vibration welding assembly comprising a vibration welding machine (11) and a lower mold (13); A movable assembly comprises a telescopic spring (21) connected to the bottom end of a lower mold (13), a movable plate (22) connected to the top end of the telescopic spring (21), a top column (23) connected to the four corners of the upper end of the movable plate (22), a slide groove (24) opened at the outer side of the bottom end of the movable plate (22), a pulley (25) placed at the two end positions inside the slide groove (24), a support column (26) connected to the bottom end of the pulley (25), a fixed block (27) connected to the bottom end of the support column (26), a first fixed groove (28) opened at the two end positions outside the lower mold (13), and a second fixed groove (29) opened at the two end positions outside the lower mold (13).

2. A plastic part vibration welding device as claimed in claim 1, characterized in that: The vibration welding assembly also includes a hydraulic rod (12) connected to the bottom end of the vibration welding machine (11) and a vibration upper mold (14) connected to the top end of the vibration welding machine (11), and the lower mold (13) is connected to the top end of the hydraulic rod (12).

3. A plastic part vibration welding device as claimed in claim 1, characterized in that: The first fixing groove (28) and the second fixing groove (29) are opened relative to the fixing block (27), and the height of the first fixing groove (28) is higher than the height of the second fixing groove (29).

4. A plastic part vibration welding device as claimed in claim 1, characterized in that: The slide groove (24) is a T-shaped structure, and the fixed block (27) is located at the bottom end of the movable plate (22).

5. A plastic part vibration welding device as claimed in claim 1, characterized in that: The outer side of the fixed block (27) extends outward beyond the outer side of the movable plate (22), and the top column (23) penetrates the lower mold (13) and extends upward.

6. A plastic part vibration welding device as claimed in claim 1, characterized in that: The invention also comprises a preheating component, wherein the preheating component comprises an electric telescopic rod (31) connected to the upper end position of the inner side of the vibration welding machine (11), a fixing plate (32) connected to the outer end position of the electric telescopic rod (31), a through hole (33) opened at an inner position of the fixing plate (32), and a heating plate (34) connected to the central position of the fixing plate (32).

7. A plastic part vibration welding device as claimed in claim 6, characterized in that: The through hole (33) is opened corresponding to the heating plate (34), and the heating plate (34) is located at the central position inside the through hole (33).

8. A plastic part vibration welding device as claimed in claim 6, characterized in that: The fixing plate (32) is located between the vibrating upper mold (14) and the lower mold (13), and the fixing plate (32) does not contact the outer sides of the vibrating upper mold (14) and the lower mold (13).

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