Hot melting head and hot melting device for hot melting connection

Abstract

The utility model discloses a hot melting head for hot melting connection and a hot melting device, relates to the technical field of hot melting devices, and can solve the problem of unstable firmness of hot melting connection in actual operation in the prior art. And when the plastic part is accurately heated, the pressing nail is in contact with the convex column, so that the plastic material smoothly reaches a molten state. Then, proper pressure continues to be applied, the pressing nail is inserted into a through hole formed in the fixing piece, the molten convex column liquid is compacted, the plastic material in the molten state deforms, stable connection with the fixing piece is achieved after cooling, and after the molten plastic material is compacted, the structural strength can be enhanced, and the service life of the plastic material is prolonged. In addition, internal bubbles and gaps can be reduced, the bearing capacity of the material is improved, the compacted plastic is generally more uniform, the possibility of deformation is reduced, and the stability of overall connection is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hot melting devices, and particularly relates to a hot melting head and a hot melting device for hot melting connection. Background Art

[0002] Hot melting is usually used in the hot melting connection process. Its basic principle is to melt plastic materials by using high temperature, thereby changing their shapes. Subsequently, through the cooling process, the molten plastic materials will re-solidify, thus firmly connecting with other components. This technology is widely used in various hot melting connection processes.

[0003] However, when using the existing hot melting devices for processing, although the hot melting head can accurately align and melt plastic parts, in actual operation, the firmness of the hot melting connection is often affected by various factors, resulting in the problem of unstable hot melting firmness occurring from time to time. This problem directly affects the fixing effect of the parts, and may further have an adverse impact on the quality and performance of the overall product. Summary of the Utility Model

[0004] In order to solve the problem that the firmness of the hot melting connection is unstable in actual operation in the existing technology, the present application provides a hot melting head and a hot melting device for hot melting connection to solve the above problems.

[0005] In order to achieve the above purpose, the technical solution adopted by the present application is as follows:

[0006] A hot melting head for hot melting connection, comprising a frame body, a cylinder, a plastic part, and a hot melting component. The cylinder is arranged at the upper end of the frame body. The hot melting component includes a hot melting head, a joint, and a pressing nail. A connecting component is arranged at the extending end of the cylinder. The hot melting head is connected to the bottom of the connecting component through the joint, and the pressing nail is arranged on the bottom surface of the hot melting head.

[0007] A supporting component for limiting the plastic part is further arranged on the inner bottom surface of the frame body. The plastic part is installed on the top surface of the supporting component. The fixing part is detachably connected to the top of the plastic part, and the fixing part is vertically opposite to the hot melting head.

[0008] As a further improvement of the present utility model, a first groove is further opened on the bottom surface of the hot melting head. At least three pressing nails are arranged and are fixedly arranged on the inner bottom surface of the first groove in a circumferential array.

[0009] As a further improvement of the present utility model, the hot melting head includes a head cover, and a heating rod for heating and a temperature sensing wire for detecting temperature are arranged inside the head cover.

[0010] A device for a hot melt device, the connecting component includes a connecting seat and a heat insulation column. The connecting seat is arranged at the bottom of the extending end of the cylinder, and the heat insulation column is arranged on the bottom surface of the connecting seat for connecting the hot melt head.

[0011] As a further improvement of the present utility model, the frame body includes a connecting column, a fixed top plate and a fixed bottom plate. The fixed top plate and the fixed bottom plate are respectively installed at the top and bottom of the connecting column. The cylinder is installed on the top surface of the fixed top plate, and the extending end of the cylinder penetrates through the fixed top plate and is connected to the connecting seat.

[0012] As a further improvement of the present utility model, the fixing component includes a fixing seat. The fixing seat is installed on the top surface of the fixed bottom plate through a pair of fixing bolts. A fixing groove is formed inside the fixing seat, and a fixing strip for fixing the supporting component is arranged in the fixing groove.

[0013] As a further improvement of the present utility model, the supporting component includes a supporting column and a limiting bolt. One end of the limiting bolt is arranged in the installation groove formed in the fixing strip, and the other end of the limiting bolt penetrates through the fixing seat and is connected to the bottom of the supporting column.

[0014] As a further improvement of the present utility model, the plastic part includes a plastic cover. A second groove is formed on the inner bottom surface of the plastic cover, and a pair of clamping columns are arranged inside the second groove;

[0015] A top seat is further arranged on the top surface of the supporting column. A pair of clamping slots are formed inside the top seat. The plastic cover is fixed on the top of the supporting column through the clamping connection of the clamping columns and the clamping slots.

[0016] As a further improvement of the present utility model, a convex platform vertically opposite to the hot melt head is further arranged on the top surface of the plastic cover. A convex column is arranged on the top surface of the convex platform, and at least three convex columns are arranged. The convex columns are vertically opposite to the pressing nails.

[0017] As a further improvement of the present utility model, the fixing part includes a fixing piece. Through holes equal in number to the convex columns are formed inside the fixing piece. The fixing piece is fixed on the top surface of the convex platform through the sleeving of the convex columns and the through holes.

[0018] Compared with the prior art, the technical solution provided by the present utility model has the following advantages and effects:

[0019] 1. In this application, the pressing nail provided on the inner bottom surface of the first groove opened at the bottom of the hot melt head can be inserted into the through hole opened inside the fixing member. The convex post provided on the convex platform on the top surface of the plastic cover is vertically opposed to the pressing nail, and the convex post is inserted into the through hole opened inside the fixing member. When working, the cylinder drives the hot melt device to move precisely downward in the vertical direction. While precisely heating the plastic part, the pressing nail is brought into contact with the convex post, prompting the plastic material to smoothly reach the molten state. Subsequently, an appropriate pressure is continuously applied to insert the pressing nail into the through hole opened inside the fixing member, and the melted convex post liquid is compacted, causing the molten plastic material to deform and achieving a firm connection with the fixing member after cooling. After the melted plastic material is compacted, it can not only enhance the structural strength, but also reduce the internal bubbles and voids, improve the bearing capacity of the material. Moreover, the compacted plastic is usually more uniform, reducing the possibility of deformation, thereby further improving the stability of the overall connection. Description of the Drawings

[0020] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0021] Figure 1 It is an isometric view of the present utility model.

[0022] Figure 2 It is an isometric view of another angle of the present utility model.

[0023] Figure 3 It is Figure 2 The partial enlarged view of area A in

[0024] Figure 4 It is the front view of the present utility model.

[0025] Figure 5 It is Figure 4 The sectional view along the cutting symbol A - A.

[0026] Figure 6 It is the right view of the present utility model.

[0027] Figure 7 It is the isometric view of the present utility model with the plastic part hidden.

[0028] Figure 8 It is the isometric view of the present utility model with the plastic part and the fixing component hidden.

[0029] Figure 9 It is the front view of the present utility model with the plastic part and the fixing component hidden.

[0030] Figure 10 It is the right view of the hidden plastic part and the fixing component of the present utility model.

[0031] Figure 11 It is the axonometric view of the combination of the plastic part and the fixing part in the present utility model.

[0032] Figure 12 It is the bottom axonometric view of the plastic part in the present utility model.

[0033] Figure 13 It is the axonometric view of the hot-melt component in the present utility model.

[0034] Figure 14 It is the axonometric view of the hot-melt head in the hot-melt component of the present utility model.

[0035] In the figure: 10, frame body; 110, connecting column; 120, fixed top plate; 130, fixed bottom plate; 20, connecting component; 210, connecting seat; 220, heat-insulating column; 30, hot-melt component; 310, hot-melt head; 3110, head cover; 3120, heating rod; 3130, temperature-sensing wire; 320, joint; 330, first groove; 340, pressing nail; 40, fixing component; 410, fixing seat; 420, fixing groove; 50, supporting component; 510, supporting column; 520, top seat; 530, clamping groove; 540, limiting bolt; 60, fixing strip; 70, air cylinder; 80, plastic part; 810, plastic cover; 820, convex platform; 830, convex column; 840, second groove; 850, clamping column; 90, fixing part; 910, fixing piece; 920, through hole. Specific embodiments

[0036] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Apparently, the described embodiments are some but not all of the embodiments of the present application. Usually, the components of the embodiments of the present application described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0037] Therefore, the detailed description of the embodiments of the present application provided in the accompanying drawings below is not intended to limit the scope of the present application claimed, but merely represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts fall within the scope of protection of the present application.

[0038] It should be noted that: similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0039] In the description of the present application, it should be noted that if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used to indicate the orientation or positional relationship, it is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of this application is usually placed when in use. This is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, so it should not be construed as a limitation to the present application. In addition, in the description of the present application, if terms such as "first", "second", etc. are used only for distinguishing descriptions, they should not be construed as indicating or implying relative importance.

[0040] In addition, in the description of the present application, terms such as "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or hanging vertically, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0041] In the description of the present application, it should also be noted that unless otherwise clearly specified and limited, if terms such as "set", "installed", "connected", "connected" are used, they 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 directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

[0042] Embodiment:

[0043] A hot melt head 310 and a hot melt device for hot melt connection, including a frame body 10, a cylinder 70, a plastic part 80, and a hot melt component 30. The cylinder 70 is arranged at the upper end of the frame body 10. The hot melt component 30 includes a hot melt head 310, a joint 320, and a pressing nail 340. A connecting component 20 is arranged at the extending end of the cylinder 70. The hot melt head 310 is connected to the bottom of the connecting component 20 through the joint 320, and the pressing nail 340 is arranged on the bottom surface of the hot melt head 310;

[0044] A supporting component 50 for limiting the plastic part 80 is further arranged on the inner bottom surface of the frame body 10. The plastic part 80 is installed on the top surface of the supporting component 50. The fixing part 90 is detachably connected to the top of the plastic part 80, and the fixing part 90 is vertically opposed to the hot melt head 310.

[0045] It is explained that the support member 50 is usually made of metal material and has sufficient strength and stability to support the plastic part 80 and the fixing member 90 thereon. The surface of the support member 50 may be specially treated, such as plating or coating, to improve its corrosion resistance and wear resistance. The bottom surface of the support member 50 is closely fitted with the inner bottom surface of the frame body 10 to ensure the stability of the whole device. The function of the fixing member 90 is to ensure that the plastic part 80 remains fixed during the hot melting process and avoid affecting the welding quality due to material movement. Among them, the fixing member 90 is vertically opposed to the hot melt head 310 to ensure that the hot melt head 310 can evenly apply heat and pressure during the hot melting process, so as to achieve a high-quality welding effect.

[0046] Specifically, in practical applications, the air cylinder 70 is started, so that the connecting member 20 drives the hot melt head 310 to descend until the pressing nail 340 contacts the surface of the fixing member 90. At this time, the air cylinder 70 continues to provide pressure, and at the same time the hot melt head 310 starts to heat, and the plastic part 80 remains stable under the action of the support member 50. When the part of the plastic part 80 that needs to be melted and connected reaches the melting point, it starts to melt, so that the pressing nail 340 arranged on the bottom surface of the hot melt head 310 is inserted into it, compresses it, deforms the molten plastic material, and realizes a firm connection with the fixing member 90 after cooling. After the melted plastic material is compacted, it can not only enhance the structural strength, but also reduce the internal bubbles and voids, improve the bearing capacity of the material, and moreover, the compacted plastic is usually more uniform, reducing the possibility of deformation, and further improving the overall connection stability.

[0047] Combined with the accompanying drawings of the specification Figures 1 - 14 As shown, a first groove 330 is further formed on the bottom surface of the hot melt head 310. At least three pressing nails 340 are provided and are fixedly arranged on the inner bottom surface of the first groove 330 in a circumferential array. The hot melt head 310 includes a head cover 3110, and a heating rod 3120 for heating and a temperature sensing wire 3130 for detecting temperature are arranged inside the head cover 3110.

[0048] It is explained that the head cover 3110 of the hot melt head 310 can be made of high-strength material according to the actual use situation to ensure good stability and durability in a high-temperature working environment. The setting of the heating rod 3120 can ensure that the plastic part 80 melts within the optimal temperature range, thus ensuring the bonding effect. The temperature sensing wire 3130 then monitors the temperature of the heating rod 3120 in real time to ensure that it works within a safe range and avoid damaging the hot melt head 310 due to overheating.

[0049] Further explanation, the pressing nails 340 provided on the bottom surface of the hot melt head 310 are made of high-temperature resistant metal materials to withstand the high temperature generated during the melting process of the hot melt adhesive. The overall shape of each pressing nail 340 is designed to be conical, so as to evenly apply pressure after the hot melt adhesive melts, ensuring that a uniform adhesive layer is formed on the surface of the object to be bonded. The circumferential array design of the pressing nails 340 enables the hot melt head 310 to evenly apply pressure during operation, thereby improving the bonding effect of the hot melt adhesive.

[0050] Combined with the attached drawings of the specification Figures 1 - 14 As shown, a hot melt device, the connecting component 20 includes a connecting seat 210 and a heat insulation column 220. The connecting seat 210 is arranged at the bottom of the extending end of the cylinder 70, and the heat insulation column 220 is arranged on the bottom surface of the connecting seat 210 for connecting the hot melt head 310. The frame body 10 includes a connecting column 110, a fixed top plate 120 and a fixed bottom plate 130. The fixed top plate 120 and the fixed bottom plate 130 are respectively installed at the top and bottom of the connecting column 110. The cylinder 70 is installed on the top surface of the fixed top plate 120, and the extending end of the cylinder 70 penetrates through the fixed top plate 120 and is connected to the connecting seat 210.

[0051] Explanation is made that in the design of the frame body 10, the connecting column 110 is made of high-strength metal materials to withstand the pressure generated during the operation of the cylinder 70. The fixed top plate 120 and the fixed bottom plate 130 are both made of thick steel plates to ensure sufficient strength and rigidity. For the convenience of installation and maintenance, a plurality of installation holes are provided on both the fixed top plate 120 and the fixed bottom plate 130, and they are connected to the connecting column 110 through bolts. Among them, the extending end of the cylinder 70 is connected to the connecting seat 210 to ensure accurate positioning of the cylinder 70 during movement.

[0052] Combined with the attached drawings of the specification Figures 1 - 14 As shown, the fixing component 40 includes a fixing seat 410. The fixing seat 410 is installed on the top surface of the fixed bottom plate 130 through a pair of fixing bolts. A fixing groove 420 is opened inside the fixing seat 410, and a fixing strip 60 for fixing the supporting component 50 is arranged in the fixing groove 420. The supporting component 50 includes a supporting column 510 and a limiting bolt 540. One end of the limiting bolt 540 is arranged in the installation groove opened on the fixing strip 60, and the other end of the limiting bolt 540 penetrates through the fixing seat 410 and is connected to the bottom of the supporting column 510.

[0053] It is noted that in order to further enhance the stability of the support member 50, a base is provided at the bottom of the support column 510. The base adopts a wide and flat design to increase the contact area with the ground, thereby improving the supporting force. Anti-slip rubber pads can also be provided at the edges of the base according to the actual application situation to prevent slipping when used on a smooth ground. Among them, the fixed base plate 130 is usually made of thick steel plate to ensure that it has sufficient strength and stiffness. Multiple mounting holes are provided at the bottom of the fixed base plate 130 and are connected to other basic structures through bolts to ensure the stability of the entire fixed member 40.

[0054] Combined with the accompanying drawings of the specification Figures 1 - 14 As shown, the plastic part 80 includes a plastic cover 810. A second groove 840 is formed on the inner bottom surface of the plastic cover 810, and a pair of clamping posts 850 are arranged inside the second groove 840; a top seat 520 is further arranged on the top surface of the support column 510, and a pair of clamping slots 530 are formed inside the top seat 520. The plastic cover 810 is fixedly connected to the top of the support column 510 through the clamping connection of the clamping posts 850 and the clamping slots 530. A boss 820 vertically opposite to the hot melt head 310 is arranged on the top surface of the plastic cover 810, and a convex post 830 is arranged on the top surface of the boss 820, and at least three convex posts 830 are provided, and the convex posts 830 are vertically opposite to the pressing nails 340.

[0055] It is noted that the plastic cover 810 is precisely placed on the top plane of the support column 510, and the second groove 840 designed on its inner bottom surface is in close clamping connection with the boss 820 constructed on the top of the support column 510. In this clamping mechanism, the clamping posts 850 specially provided on the bottom surface of the second groove 840 are precisely corresponding to and locked with a pair of clamping slots 530 preset inside the top seat 520 of the support column 510, so as to ensure that the plastic cover 810 can be firmly fixed at the top position of the support column 510. This design aims to prevent any form of displacement of the plastic cover 810 during the processing process to ensure the accuracy of the processing operation and the quality of the final product.

[0056] Combined with the accompanying drawings of the specification Figures 1 - 14 As shown, the fixing member 90 includes a fixing piece 910. Through holes 920 equal in number to the convex posts 830 are formed inside the fixing piece 910. The fixing piece 910 is fixedly connected to the top surface of the boss 820 through the sleeving of the convex posts 830 and the through holes 920.

[0057] It should be noted that during the operation, the cylinder 70 will drive the hot-melt device to perform an accurate downward movement along the vertical path, and then perform precise heating treatment on the plastic component. During this process, the pressing nail 340 makes precise contact with the convex post 830, prompting the plastic material to smoothly reach the molten state. Immediately afterwards, the system will apply appropriate and stable pressure to ensure that the pressing nail 340 can be smoothly inserted into the through hole 920 preset inside the fixing member 90. At this stage, the melted convex post 830 liquid is compacted, causing the molten plastic material to deform under the action of external force, and forming a firm connection with the fixing member 90 during the subsequent cooling process.

[0058] This compaction process not only significantly enhances the overall strength of the connection structure, but also effectively reduces the possible bubbles and voids inside, thereby improving the load-bearing capacity of the material. In addition, the compacted plastic material usually exhibits a more uniform texture, greatly reducing the risk of deformation, and further enhancing the overall connection stability and reliability.

[0059] The above are only the preferred embodiments of the present application and are not used to limit the present application. For those skilled in the art, various changes and modifications can be made to the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included within the protection scope of the present application.

Claims

1. A hot melt head for hot melt connection, comprising a frame body (10), a cylinder (70), a plastic part (80) and a hot melt component (30), wherein the cylinder (70) is arranged at the upper end of the frame body (10), and is characterized in that: The hot-melt component (30) includes a hot-melt head (310), a joint (320), and a press stud (340). A connecting component (20) is provided at the extending end of the cylinder (70). The hot-melt head (310) is connected to the bottom of the connecting component (20) through the joint (320), and the press stud (340) is arranged on the bottom surface of the hot-melt head (310). A support component (50) for limiting the plastic part (80) is further provided on the inner bottom surface of the frame body (10). The plastic part (80) is installed on the top surface of the support component (50). A fixing part (90) is detachably connected to the top of the plastic part (80), and the fixing part (90) is vertically opposed to the hot-melt head (310).

2. The hot melt head for hot melt connection according to claim 1, characterized in that, A first groove (330) is further formed on the bottom surface of the hot-melt head (310). At least three press studs (340) are provided and are fixedly arranged on the inner bottom surface of the first groove (330) in a circumferential array.

3. The hot melt head for hot melt connection according to claim 2, characterized in that, The hot-melt head (310) includes a head cover (3110). A heating rod (3120) for heating and a temperature-sensing wire (3130) for detecting temperature are arranged inside the head cover (3110).

4. A hot melt device according to any one of claims 1 to 3, characterized in that, The connecting component (20) includes a connecting seat (210) and a heat-insulating column (220). The connecting seat (210) is arranged at the bottom of the extending end of the cylinder (70), and the heat-insulating column (220) is arranged on the bottom surface of the connecting seat (210) for connecting the hot-melt head (310).

5. A hot melt device according to claim 4, characterized in that, The frame body (10) includes a connecting column (110), a fixed top plate (120), and a fixed bottom plate (130). The fixed top plate (120) and the fixed bottom plate (130) are respectively installed at the top and bottom of the connecting column (110). The cylinder (70) is installed on the top surface of the fixed top plate (120), and the extending end of the cylinder (70) penetrates through the fixed top plate (120) to be connected with the connecting seat (210).

6. A hot melt device according to claim 5, characterized in that, The fixing component (40) includes a fixing seat (410). The fixing seat (410) is installed on the top surface of the fixed bottom plate (130) through a pair of fixing bolts. A fixing groove (420) is formed inside the fixing seat (410), and a fixing strip (60) for fixing the support component (50) is arranged inside the fixing groove (420).

7. A hot melt device according to claim 6, wherein The support component (50) includes a support column (510) and a limit bolt (540). One end of the limit bolt (540) is arranged in an installation groove formed in the fixing strip (60), and the other end of the limit bolt (540) penetrates through the fixing seat (410) to be connected with the bottom of the support column (510).

8. A hot melt device according to claim 7, wherein, The plastic part (80) includes a plastic cover (810). A second groove (840) is formed on the inner bottom surface of the plastic cover (810), and a pair of clamping columns (850) are arranged inside the second groove (840). A top seat (520) is further provided on the top surface of the support column (510). A pair of clamping grooves (530) are formed inside the top seat (520). The plastic cover (810) is fixed to the top of the support column (510) through clamping connection of the clamping posts (850) and the clamping grooves (530).

9. The hot-melt device according to claim 8, characterized in that, A boss (820) vertically opposite to the hot melt head (310) is further provided on the top surface of the plastic cover (810). A boss post (830) is provided on the top surface of the boss (820), and at least three boss posts (830) are provided. The boss posts (830) are vertically opposite to the press studs (340).

10. A hot melt device according to claim 9, characterized in that, The fixing member (90) includes a fixing plate (910). Through holes (920) equal in number to the boss posts (830) are formed inside the fixing plate (910). The fixing plate (910) is fixed to the top surface of the boss (820) through sleeving of the boss posts (830) and the through holes (920).

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