Hot melt adhesive smearing device for shoemaking
By designing a hot melt adhesive application device, a glue dispensing boss and a PLC controller were used to achieve rapid glue application between the shoe upper and the insole, solving the problem of low glue application efficiency in the existing technology, improving the efficiency of the toe-tightening process and reducing the difficulty of operation.
Patent Information
- Application Number
- CN202423173000.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2034-12-23
AI Technical Summary
In the current shoe manufacturing process, the gluing process between the shoe upper and the insole is inefficient, requiring multiple applications of white glue and waiting for it to dry, which leads to low efficiency in the toe-tightening process.
A hot melt adhesive application device for shoemaking was designed, including an adhesive application mechanism, a conveying mechanism, and a thread feeding mechanism. It uses an adhesive outlet protrusion that matches the shape of the shoe insole for rapid adhesive application, and a PLC controller to precisely control the amount of adhesive applied. It also incorporates an adhesive inlet transition sleeve and a heat insulation gasket to prevent the hot melt adhesive strip from breaking.
This technology enables the rapid and accurate application of hot melt adhesive to the shoe's outer surface and insole, improving the efficiency of the toe-tightening process, reducing the workload of operators, and ensuring the stability and consistency of adhesive application.
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Figure CN223873399U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a hot melt adhesive daubing device, specifically a device which can quickly daub hot melt adhesive to the specified position during shoemaking. BACKGROUND
[0002] The shoemaking process involves multiple procedures, one of which is the toe-puffing procedure, which specifically involves fitting the upper skin of the shoe onto the insole and tightly adhering it to the insole, and then bonding the upper skin to the insole.
[0003] Before the toe-puffing procedure, the bonding position of the upper skin and the insole needs to be daubed with glue. Currently, the daubing of glue on the upper skin and the insole is usually done manually by daubing white latex on the bonding position. Specifically, white latex is daubed on the bonding position of the insole before bonding to ensure the bonding effect. After it dries, white latex is daubed on the bonding position of the insole and the bonding position of the upper skin, and the insole and the upper skin are pressed and bonded by a toe-puffing machine to complete the toe-puffing. However, this method requires daubing white latex three times, and after daubing the first layer of white latex on the insole, it needs to wait for it to dry before daubing the white latex again for bonding, which results in a low efficiency of daubing glue. SUMMARY
[0004] To solve the above problems in the prior art, the utility model aims to provide a hot melt adhesive daubing device for shoemaking, which can quickly daub glue on the bonding position of the upper skin and the insole, and improve the toe-puffing efficiency.
[0005] To achieve the above-mentioned purpose, the utility model employs the following technical solutions:
[0006] A hot melt adhesive daubing device for shoemaking, comprising a daubing mechanism, which comprises a hot melt adhesive disc, a glue outlet boss, a hot melt adhesive runner, a glue outlet hole, a glue inlet hole, and a heating pipe fixed inside the hot melt adhesive disc; the glue outlet boss is fixed on the hot melt adhesive disc and integrally arranged with the hot melt adhesive disc; the glue outlet hole is provided with a plurality of glue outlet holes, which are evenly arranged on the glue outlet boss; the glue inlet hole is arranged on the hot melt adhesive disc; the plurality of glue outlet holes and the glue inlet hole are in communication with the hot melt adhesive runner arranged inside the hot melt adhesive disc; the shape of the glue outlet boss is the same as that of the position to be daubed with glue on the insole.
[0007] As a limitation of the utility model, the daubing mechanism further comprises a glue inlet transition sleeve and a heat insulation gasket; one end of the glue inlet transition sleeve is fixedly inserted into the glue inlet hole; the heat insulation gasket is sleeved on the one end of the glue inlet transition sleeve inserted into the glue inlet hole; the inside of the glue inlet transition sleeve is further provided with limiting teeth with tooth tips facing the glue inlet hole.
[0008] As a further limitation of the utility model, still include conveying mechanism, conveying mechanism's discharge end and the feeding end of gluing mechanism are mutually matched arrangement, conveying mechanism includes the casing, the first conveying assembly and the second conveying assembly that are fixed in the casing and the control switch that is electric connection with the first conveying assembly and the second conveying assembly;
[0009] The first conveying assembly includes a first motor and a first conveying wheel fixed on the power output end of the first motor, and the second conveying assembly includes a second motor and a second conveying wheel fixed on the power output end of the second motor.
[0010] As a further limitation of the utility model, a limiting groove is formed on the surface of the first conveying wheel, and the limiting groove is arranged around the surface.
[0011] As a further limitation of the utility model, the conveying mechanism further includes a PLC controller, the signal input end of the PLC controller is electrically connected with the signal output end of the controller, and the signal output end of the PLC controller is electrically connected with the signal input end of the first motor and the second motor.
[0012] As a further limitation of the utility model, the conveying mechanism further includes a PLC controller, the signal input end of the PLC controller is electrically connected with the signal output end of the controller, and the signal output end of the PLC controller is electrically connected with the signal input end of the first motor and the second motor.
[0013] As a further limitation of the utility model, a winding groove is formed on the surface of the winding wheel, and the winding groove is arranged around the surface of the winding wheel.
[0014] Compared with the prior art, the utility model has the following advantages:
[0015] (1) The utility model discloses a device capable of quickly applying hot melt adhesive to the bonding position of the surface of a shoe and an insole, specifically, an adhesive outlet boss identical in shape to the position to be coated with adhesive on the insole is arranged, and an adhesive outlet hole is formed on the adhesive outlet boss.
[0016] (2) The glue applying mechanism is provided with a glue inlet transition sleeve and a heat insulation gasket, heat of the hot melt glue disc can be prevented from being transmitted to the glue inlet transition sleeve through the heat insulation gasket, the hot melt glue strip outside the hot melt glue disc is prevented from continuously receiving heat of the hot melt glue disc and then melting to cause the hot melt glue strip to break and slide out of the hot melt glue disc during the interval of glue applying, and the problem that manual repositioning is required is avoided; and the glue inlet transition sleeve is further provided with a limiting tooth, the hot melt glue strip can be further prevented from sliding out.
[0017] (3) The conveying mechanism is arranged in the utility model, the control switch in the conveying mechanism is pressed, the conveying of the hot melt glue strip into the hot melt glue disc is controlled, then the glue discharging of the glue discharging hole is controlled, manual conveying of the hot melt glue strip into the hot melt glue disc is replaced, and the labor intensity of the operator is reduced.
[0018] (4) The limiting groove is arranged on the wheel surface of the first conveying wheel and the second conveying wheel, the two side walls of the limiting groove can limit the hot melt glue strip therebetween, the hot melt glue strip is stably conveyed, and the hot melt glue strip is prevented from deviating from the conveying channel.
[0019] (5) The PLC controller is arranged in the utility model, the start and stop of the first motor and the second motor can be controlled according to the program arranged in the PLC controller, the time when the first motor and the second motor start after each time the control switch is pressed is the time set in the program, the length of the hot melt glue strip conveyed into the hot melt glue disc by the conveying mechanism after each time the control switch is pressed is consistent, the amount of the hot melt glue extruded from the glue discharging hole is also consistent, the amount of the glue discharging is accurately controlled, and the amount of the glue discharging is stably ensured.
[0020] (6) The pay-off mechanism is arranged in the utility model, the pay-off mechanism comprises a support and a pay-off wheel, the hot melt glue strip can be neatly wound on the pay-off wheel, the function of neat storage is achieved, in addition, the pay-off wheel bearing is connected to the support, in the conveying process of the hot melt glue strip, the pay-off wheel can rotate on the support along with the movement of the hot melt glue strip, the function of stably conveying the hot melt glue strip is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0021] The utility model will be further explained in detail in combination with the drawings and specific embodiments.
[0022] Figure 1 It is a structural schematic view of the utility model embodiment;
[0023] Figure 2 It is a structural schematic view of the glue applying mechanism in the utility model embodiment;
[0024] Figure 3 It is a structural schematic view of the conveying mechanism in the utility model embodiment (one side wall of the shell is removed, and the PLC controller and the control switch are not shown).
[0025] Figure 4 This is a schematic diagram of the wire feeding mechanism in an embodiment of the present invention;
[0026] Figure 5 This is a schematic diagram of the structure of the limiting tooth in an embodiment of this utility model;
[0027] In the diagram: 1. Glue application mechanism; 2. Conveying mechanism; 3. Wire feeding mechanism; 4. Hot melt adhesive strip;
[0028] 11. Hot melt adhesive tray; 12. Glue dispensing boss; 13. Glue dispensing hole; 14. Glue inlet transition sleeve; 15. Limiting teeth;
[0029] 21. Housing; 22. First motor; 23. First transmission wheel; 24. Second motor; 25. Second transmission wheel;
[0030] 31. Bracket; 32. Cable reel. Detailed Implementation
[0031] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the present invention.
[0032] This embodiment discloses a hot melt adhesive application device for shoemaking, such as... Figure 1 As shown, it includes a coating mechanism 1, a conveying mechanism 2, and a feeding mechanism 3. The discharge end of the feeding mechanism 3 is configured to cooperate with the feed end of the conveying mechanism 2, and the discharge end of the conveying mechanism 2 is configured to cooperate with the feed end of the coating mechanism 1, so that the hot melt adhesive strip 4 can be conveyed from the feeding mechanism 3 to the coating mechanism 1 under the drive of the conveying mechanism 2, and then coated with adhesive by the coating mechanism 1.
[0033] like Figure 2 As shown, the glue application mechanism 1 includes a hot melt glue tray 11, a glue dispensing boss 12, a hot melt glue channel, a glue dispensing hole 13, a glue inlet hole, a heating tube, a glue inlet transition sleeve 14, and a heat insulation gasket. The shape of the glue dispensing boss 12 is the same as the shape of the glue-to-be-applied position on the insole of the shoe, and the glue dispensing boss 12 is fixed on the hot melt glue tray 11 and integrated with the hot melt glue tray 11.
[0034] Multiple dispensing holes 13 can be provided according to actual needs. In this embodiment, thirty dispensing holes 13 are provided, and the thirty dispensing holes 13 are evenly opened on the upper surface of the dispensing protrusion 12. The glue inlet is opened on the outer side of the hot melt glue tray 11, and the hot melt glue channel is opened inside the hot melt glue tray 11. The thirty dispensing holes 13 and the glue inlet are all independently connected to the hot melt glue channel. The heating tube is an existing electric heating tube, which is fixed inside the hot melt glue tray 11 to heat the hot melt glue tray 11.
[0035] One end of the glue feeding transition sleeve 14 is fixedly arranged in the glue feeding hole, and a heat insulation gasket is fixedly arranged on the end of the glue feeding transition sleeve 14 located in the glue feeding hole. Limiting teeth 15 are further arranged on the inner wall of the glue feeding transition sleeve 14, and the tooth tips of the limiting teeth 15 are directed towards the glue feeding hole, so that the hot melt adhesive strip 4 can only move towards the glue feeding hole and cannot be withdrawn backwards.
[0036] In actual use, the hot melt adhesive strip 4 enters the hot melt adhesive disc 11 through the glue feeding transition sleeve 14 and the glue feeding hole. At this time, the hot melt adhesive disc 11 melts the hot melt adhesive strip 4, and the melted hot melt adhesive strip 4 flows to the glue outlet hole 13 through the hot melt adhesive flow channel and flows out from the glue outlet hole 13, so that the gluing work can be performed.
[0037] As shown in Figure 3 The conveying mechanism 2 includes a shell 21, a first conveying assembly, a second conveying assembly, a control switch and a PLC controller. The shell 21 is a hollow cuboid metal block. The first conveying assembly and the second conveying assembly are both fixedly arranged in the shell 21, and the first conveying assembly is located above the second conveying assembly. The PLC controller is fixedly arranged on the outer surface of the shell 21.
[0038] The first conveying assembly includes a first motor 22 fixedly arranged in the shell 21 and a first conveying wheel 23 fixedly arranged on the power output end of the first motor 22. The second conveying assembly has the same structure as the first conveying assembly and includes a second motor 24 fixedly arranged in the shell 21 and a second conveying wheel 25 fixedly arranged on the power output end of the second motor 24. Limiting grooves are arranged on the wheel faces of the first conveying wheel 23 and the second conveying wheel 25. The space between the first conveying wheel 23 and the second conveying wheel 25 constitutes a conveying channel for the hot melt adhesive strip 4. In actual use, the hot melt adhesive strip 4 enters the conveying channel and is conveyed to the glue feeding transition sleeve 14 of the gluing mechanism 1 under the clamping of the first conveying wheel 23 and the second conveying wheel 25.
[0039] It should be noted that the signal output end of the control switch is electrically connected with the signal input end of the PLC controller, and the signal output end of the PLC controller is electrically connected with the signal input end of the first motor 22 and the second motor 24. By pressing the control switch, the first motor 22 and the second motor 24 can be controlled to operate according to the program set in the PLC controller.
[0040] As shown in Figure 4As shown, the pay-off mechanism 3 comprises a support 31 and a pay-off wheel 32 connected to the support 31 through a connecting shaft bearing, and a winding groove is formed on the wheel surface of the pay-off wheel 32 and surrounds the wheel surface of the pay-off wheel 32. In actual use, the hot melt adhesive strip 4 to be used will be wound in the winding groove, and when the conveying mechanism 2 conveys the hot melt adhesive strip 4 into the gluing mechanism 1, the pay-off wheel 32 will rotate following the movement of the hot melt adhesive strip 4, so that the hot melt adhesive strip 4 wound on the pay-off wheel 32 can be stably conveyed into the conveying mechanism 2.
[0041] When the embodiment is used, first, the hot melt adhesive disc 11 is installed on the top pressure disc of the toe lasting machine, and the position of the hot melt adhesive disc 11 is adjusted so that the upper surface of the glue outlet boss 12 can just correspond to the position to be glued on the insole of the insole placed on the constant pressure disc, then the hot melt adhesive disc 11 is preheated, after the temperature of the hot melt adhesive disc 11 can melt the hot melt adhesive strip 4, the conveying mechanism 2 is started to continuously convey the hot melt adhesive strip 4 into the hot melt adhesive disc 11 until each glue outlet has hot melt adhesive flowing out, after the flowing hot melt adhesive is cleaned, the insole can be placed on the constant pressure disc of the toe lasting machine, at this time, the pressing control switch is pressed, the conveying mechanism 2 will input a set amount of hot melt adhesive strip 4 into the glue outlet mechanism according to the program set in the PLC controller, the hot melt adhesive strip 4 is melted in the hot melt adhesive disc 11 to form hot melt adhesive, then the hot melt adhesive flows out from the glue outlet hole 13 through the hot melt adhesive flow channel and is adhered to the position to be adhered on the insole, and the gluing is completed.
[0042] It should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application, although the present application has been 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 equivalently replace some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A hot-melt adhesive application device for shoemaking, characterized by: The glue applying mechanism comprises a hot melt glue disc, a glue outlet boss, a hot melt glue runner, glue outlet holes, glue inlet holes and a heating pipe fixed in the hot melt glue disc; the glue outlet boss is fixed on the hot melt glue disc and integrally arranged with the hot melt glue disc, the glue outlet holes are provided in plurality and evenly arranged on the glue outlet boss, the glue inlet holes are arranged on the hot melt glue disc, the plurality of glue outlet holes and the glue inlet holes are communicated with the hot melt glue runner arranged in the hot melt glue disc, and the shape of the glue outlet boss is the same as that of the position to be glued on the insole.
2. The hot melt adhesive spreading device for shoemaking according to claim 1, characterized in that: The glue applying mechanism further comprises a glue inlet transition sleeve and a heat insulation gasket, one end of the glue inlet transition sleeve is fixedly arranged in the glue inlet hole, the heat insulation gasket is sleeved on the one end of the glue inlet transition sleeve arranged in the glue inlet hole, and the inside of the glue inlet transition sleeve is further provided with limiting teeth with tooth tips facing the glue inlet hole.
3. The hot melt adhesive spreading device for shoemaking according to claim 2, characterized in that: The conveying mechanism comprises a shell, a first conveying assembly and a second conveying assembly fixed in the shell, and a control switch electrically connected with the first conveying assembly and the second conveying assembly. The first conveying assembly comprises a first motor and a first conveying wheel fixed on the power output end of the first motor, and the second conveying assembly comprises a second motor and a second conveying wheel fixed on the power output end of the second motor.
4. The hot melt adhesive spreading device for shoemaking of claim 3, wherein: The space between the first conveying wheel and the second conveying wheel constitutes a conveying channel of the hot melt glue strip.
5. The hot melt glue spreading device for shoemaking of claim 4, wherein: The surface of the first conveying wheel is provided with a limiting groove, and the second conveying wheel has the same structure as the first conveying wheel.
6. The hot melt glue spreading device for shoemaking of any one of claims 3-5, characterized in that: The conveying mechanism further comprises a PLC controller, the signal input end of the PLC controller is electrically connected with the signal output end of the controller, and the signal output end of the PLC controller is electrically connected with the signal input end of the first motor and the second motor.
7. The hot melt glue spreading device for shoemaking of claim 6, wherein: The pay-off mechanism comprises a support and a pay-off wheel connected to the support through a connecting shaft bearing. The surface of the pay-off wheel is provided with a winding groove, and the winding groove is arranged around the surface of the pay-off wheel.