Pressure plate device for glue melting and hot glue melting machine with same

Abstract

The utility model discloses a pressure plate device for melting glue and a hot melt glue machine with the pressure plate device, the pressure plate device comprises a pressure plate main body, a heating plate, a glue output assembly and a lifting assembly, the pressure plate main body comprises a base and a cover plate, a cavity is formed in the base, and the cover plate detachably covers the top of the base and seals the cavity; the heating disc is arranged in the cavity; the glue output assembly is arranged on the cover plate, and a first glue inlet channel communicated with the glue output assembly is formed in the pressure plate main body; and the lifting assembly is used for driving the pressure plate main body to lift. According to the pressure plate device for melting glue, the heating plate is used as a heating element, so that the pressure plate device is simple in structure, low in cost and convenient to assemble, maintain and replace; besides, the glue output assembly is arranged on the cover plate, when the heating disc in the base needs to be maintained, the base can be taken down only by loosening the connection between the cover plate and the base, and maintenance is easy and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of hot melt adhesive equipment, in particular to a pressure plate device for melt adhesive and a hot melt adhesive machine having the same. Background Art

[0002] This section only provides background information related to the present application to help those skilled in the art understand the present application more thoroughly and accurately, and it is not necessarily prior art.

[0003] The existing hot melt adhesive machine is usually provided with a pressure plate device for melting the adhesive in the adhesive barrel; wherein the pressure plate device is provided with a heating element for melting the adhesive, and the heating element is usually composed of a plurality of vertically arranged heating tubes, such as Figure 1 As shown in the figure, such a configuration not only makes the manufacturing cost of the product higher, but also makes installation, maintenance and replacement more troublesome. In addition, it is also difficult to ensure the uniformity of the heating of the pressure plate by setting multiple heating tubes.

[0004] In addition, the conventional pressure plate device usually sets the glue output component on the base. With this arrangement, when the heating tube needs to be repaired or replaced, the glue output component must be removed as a whole first, and then the cover plate must be removed before the heating tube can be repaired, which is very troublesome. Utility Model Content

[0005] In order to overcome the defects of the above-mentioned prior art, the utility model provides a pressure plate device for melting glue and a hot melt glue machine having the same, which adopts a heating plate as the heating element, which not only has a simple structure and low cost, but also is convenient to assemble, repair and replace; in addition, by arranging the glue output component on the cover plate, when the heating plate in the base needs to be repaired, the base can be removed by simply loosening the connection between the cover plate and the base, which makes maintenance simple and convenient.

[0006] The technical solution adopted by the utility model to solve the problem is:

[0007] A pressure plate device for melting adhesive, comprising:

[0008] The pressure plate body comprises a base and a cover plate, wherein a cavity is formed inside the base, and the cover plate is detachably mounted on the base and seals the cavity;

[0009] A heating plate, which is arranged in the cavity;

[0010] A glue output component is arranged on the cover plate; a first glue inlet channel connected to the glue output component is opened on the pressure plate body;

[0011] A lifting assembly, used to drive the platen body to move up and down;

[0012] Among them, when the lifting component drives the pressure plate body to descend until the bottom surface of the pressure plate body contacts the top surface of the colloid, under the action of the heating plate, it can melt the colloid into glue and output it through the glue output component.

[0013] Furthermore, it also includes a sealing ring, the outer side wall of the base is provided with an installation cavity with a through top, and the sealing ring is sleeved on the installation cavity;

[0014] When the cover plate is arranged on the top of the base, it can press and fix the sealing ring.

[0015] Furthermore, a first through groove is formed on the base, and a first through hole is formed on the cover plate corresponding to the first through groove, and the first through groove is communicated with the first through hole to form the first glue feeding channel.

[0016] Further, the glue output assembly includes a flow guide seat arranged on the cover plate and a gear metering pump arranged on the flow guide seat, wherein:

[0017] The gear metering pump is provided with a glue inlet hole and a glue outlet hole, and the guide seat is provided with a second through groove which is respectively connected with the first glue inlet channel and the glue inlet hole and forms a second glue inlet channel;

[0018] The guide seat is also provided with a third through groove which is connected with the glue outlet hole and forms a first glue outlet channel.

[0019] Furthermore, the guide seat is also provided with at least one glue delivery joint and a fourth through groove which is respectively connected to the glue delivery joint and the second through groove to form a second glue outlet channel.

[0020] Furthermore, the guide seat and the cover plate are integrally formed.

[0021] Furthermore, a reflux valve is also provided on the flow guide seat, and a fifth through groove which is connected to the reflux valve and the second through groove respectively is opened in the flow guide seat.

[0022] Furthermore, it also includes a guide block arranged on the guide seat, and the return valve is arranged on the guide block, wherein:

[0023] It also includes an exhaust valve arranged on the guide block, a sixth through groove connected to the exhaust valve is opened in the guide block, and a seventh through groove connected to the second through groove and the sixth through groove is opened in the guide seat.

[0024] Furthermore, it also includes an exhaust rod, the pressure plate body is provided with an exhaust channel, and the exhaust rod is inserted into the exhaust channel, wherein:

[0025] An eighth through slot is formed on the base, and a second through hole is formed on the cover plate at a position corresponding to the eighth through slot. The eighth through slot is connected to the second through hole to form the air outlet passage.

[0026] In addition, the utility model also provides a hot melt adhesive machine, comprising a bottom plate, a glue barrel arranged on the bottom plate, and the above-mentioned pressure plate device arranged on the bottom plate, wherein the glue barrel stores colloid.

[0027] In summary, the adhesive melt plate device and the hot melt adhesive machine having the same of the utility model have the following beneficial effects:

[0028] (1) The pressure plate device of the utility model adopts a heating plate as a heating element, which is not only simple in structure and low in cost, but also convenient in assembly, maintenance and replacement. In addition, by arranging the glue output assembly on the cover plate, when the heating plate in the base needs to be repaired, the base can be removed by simply loosening the connection between the cover plate and the base, which makes maintenance simple and convenient.

[0029] (2) The pressure plate device of the utility model has an installation cavity with a top that passes through the outer wall of the base. When the sealing ring needs to be assembled, the sealing ring can be placed on the installation cavity, and then the cover plate can be placed on the base to achieve compression and fixation of the sealing ring. The entire assembly process is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is an exploded schematic diagram of a pressure plate device for melting glue in the prior art;

[0031] Figure 2 This is a schematic diagram of the structure of the pressure plate device for melting glue of the utility model;

[0032] Figure 3 It is an exploded schematic diagram of the pressure plate device for melting glue of the utility model;

[0033] Figure 4 It is a structural schematic diagram of the cover plate and the guide seat in the pressure plate device for melting glue of the utility model;

[0034] Figure 5 for Figure 4 A schematic diagram of the structure from another perspective;

[0035] Figure 6 for Figure 4 Schematic cross-sectional view of ;

[0036] Figure 7 This is a schematic diagram of the structure of the guide block in the pressure plate device for melting glue of the utility model;

[0037] Figure 8 It is a structural schematic diagram of the hot melt adhesive machine of the utility model.

[0038] The meanings of the reference numerals are as follows:

[0039] 1. Platen device; 11. Platen body; 111. Base; 1111. Cavity; 1112. First through slot; 1113. First mounting hole; 1114. Eighth through slot; 1115. Mounting cavity; 112. Cover plate; 1121. Second mounting hole; 1122. Second through hole; 1123. First through hole; 113. Locking bolt; 12. Heating plate; 13. Glue output assembly; 131. Guide seat; 1311. Second through slot; 1 312, third through slot; 1313, glue delivery hole; 1314, fourth through slot; 1315, fifth through slot; 1316, seventh through slot; 132, gear metering pump; 1321, glue inlet hole; 1322, glue outlet hole; 133, drive motor; 141, base plate; 142, guide rod; 15, sealing ring; 16, guide block; 17, reflux valve; 18, exhaust valve; 191, exhaust rod; 192, glue delivery joint; 2, bottom plate; 3, glue barrel. DETAILED DESCRIPTION

[0040] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0041] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0042] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0043] Embodiment 1

[0044] See also Figure 2-7The utility model provides a platen device 1 for melting adhesive, comprising a platen body 11 and a heating plate 12 arranged in the platen body 11, wherein the platen body 11 comprises a base 111 and a cover plate 112, a cavity 1111 is provided inside the base 111, the heating plate 12 is installed in the cavity 1111, and the cover plate 112 is detachably covered on the base 111 and seals the cavity 1111. Specifically, a plurality of first mounting holes 1113 are provided on the base 111, and a plurality of second mounting holes 1121 corresponding to the plurality of first mounting holes 1113 are provided on the cover plate 112, thereby, the connection and fixation between the two can be realized by using a locking bolt 113 to pass through the second mounting hole 1121 and fix it in the first mounting hole 1113.

[0045] Furthermore, it also includes a glue output component 13 and a lifting component, the glue output component 13 is arranged on the cover plate 112; the pressure plate body 11 is provided with a first glue inlet channel connected to the glue output component 13; the lifting component is used to drive the pressure plate body 11 to move up and down; therefore, when the lifting component drives the pressure plate body 11 to descend until the bottom surface of the pressure plate body 11 contacts the top surface of the colloid, under the action of the heating plate 12, it can melt the colloid into glue and output it through the glue output component.

[0046] Therefore, the pressure plate device 1 of the utility model adopts the heating plate 12 as the heating element, which is not only simple in structure and low in cost, but also convenient in assembly, maintenance and replacement. In addition, by setting the glue output assembly 13 on the cover plate 112, when the heating plate 12 in the base 111 needs to be repaired, the base 111 can be removed by simply removing the locking bolt 113, which makes maintenance simple and convenient.

[0047] Furthermore, it also includes a sealing ring 15. The outer wall of the base 111 is provided with an installation cavity 1115 with a top passing therethrough. The sealing ring 15 is sleeved on the installation cavity 1115. When the cover plate 112 is covered on the top of the base 111, it can press and fix the sealing ring 15.

[0048] Since the outer wall of the base 111 is provided with an installation cavity 1115 with a through top, when the sealing ring 15 needs to be assembled, the sealing ring 15 can be sleeved on the installation cavity 1115, and then the cover plate 112 is covered on the base 111 to achieve compression and fixation of the sealing ring 15, and the entire assembly process is simple and convenient.

[0049] See also Figure 3-6The base 111 is provided with a first through slot 1112 , and the cover plate 112 is provided with a first through hole 1123 corresponding to the first through slot 1112 . The first through slot 1112 is communicated with the first through hole 1123 to form a first glue inlet channel. In addition, the glue output assembly 13 includes a flow guide seat 131 disposed on the cover plate 112, a gear metering pump 132 disposed on the flow guide seat 131, and a driving motor 133 that is transmission-connected to the input end of the gear metering pump 132. Specifically, the gear metering pump 132 is provided with a glue inlet hole 1321 and a glue outlet hole 1322, and the flow guide seat 131 is provided with a second through groove 1311 that is respectively connected to the first glue inlet channel and the glue inlet hole 1321 and forms a second glue inlet channel; the flow guide seat 131 is also provided with a third through groove 1312 that is connected to the glue outlet hole 1322 and forms a first glue outlet channel; in addition, the flow guide seat 131 is also provided with two glue delivery holes 1313 and a fourth through groove 1314 that is respectively connected to the glue delivery hole 1313 and the second through groove 1311 and forms a second glue outlet channel. Preferably, the glue delivery hole 1313 is provided with a glue delivery connector 192.

[0050] Therefore, under the action of the driving motor 133, the gear metering pump 132 can be driven to operate, and the molten glue can enter the gear metering pump 132 through the first glue inlet channel and the second glue inlet channel in turn, and be output to the glue delivery connector 192 through the first glue outlet channel and the second glue outlet channel.

[0051] In this embodiment, the guide seat 131 and the cover plate 112 are integrally formed.

[0052] Furthermore, a reflux valve 17 is also provided on the guide seat 131, and a fifth through groove 1315 is provided in the guide seat 131, which is respectively connected to the reflux valve 17 and the second through groove 1311. Thus, the reflux valve 17 can be used to reflux excess glue to avoid glue waste. In addition, a guide block 16 is provided on the guide seat 131, and the reflux valve 17 is provided on the guide block 16, wherein an exhaust valve 18 is provided on the guide block 16, and a sixth through groove is provided in the guide block 16, which is connected to the exhaust valve 18, and a seventh through groove 1316 is provided in the guide seat 131, which is respectively connected to the second through groove 1311 and the sixth through groove. Thus, the exhaust valve 18 can discharge excess air in the glue barrel at the beginning of work, thereby facilitating the downward pressing of the pressure plate body 11.

[0053] Furthermore, it also includes an exhaust rod 191, and an air outlet channel is provided on the platen body 11, and the exhaust rod 191 is inserted into the air outlet channel; specifically, an eighth through slot 1114 is provided on the base 111, and a second through hole 1122 is provided on the cover plate 112 corresponding to the eighth through slot 1114, and the eighth through slot 1114 is connected to the second through hole 1122 to form an air outlet channel. Therefore, after the glue is exhausted, the exhaust rod 191 can be loosened to allow air to enter the glue barrel, thereby facilitating the reset of the platen body 11.

[0054] In addition, the lifting assembly of the platen device 1 includes two drive devices (not shown in the figure) arranged at intervals, a cross bar (not shown in the figure) connected to the output ends of the two drive devices, and two guide rods 142 arranged at intervals, one end of which is connected to the cross bar and the other end is connected to the platen body 11. In addition, a base plate 141 is also penetrated on the two guide rods 142, and the drive motor is installed on the base plate 141.

[0055] Therefore, when the driving device drives the cross bar to move up and down, since the cross bar is connected to the pressure plate body 11 via the guide rod 142 , the pressure plate body 11 can be simultaneously driven to move up and down, so that the pressure plate body 11 extends into or out of the rubber barrel 3 .

[0056] Embodiment 2

[0057] See also Figure 8 The utility model also provides a hot melt adhesive machine, comprising a bottom plate 2, a glue barrel 3 arranged on the bottom plate 2, and a pressure plate device 1 as described in the first embodiment arranged on the bottom plate 2, wherein the glue barrel 3 stores glue. When the lifting assembly drives the pressure plate body 11 to extend into the glue barrel 3, the sealing ring 15 can abut against the inner wall of the glue barrel 3 and form a seal, thereby preventing the melted glue from contacting the air, thereby ensuring the use condition of the glue.

[0058] In summary, the adhesive melt plate device 1 and the hot melt adhesive machine having the same of the utility model have the following beneficial effects:

[0059] (i) The pressure plate device 1 of the utility model adopts the heating plate 12 as the heating element, which is not only simple in structure and low in cost, but also convenient in assembly, maintenance and replacement. In addition, by arranging the glue output assembly 13 on the cover plate 112, when it is necessary to repair the heating plate 12 in the base 111, the base 111 can be removed by simply loosening the connection between the cover plate 112 and the base 111, which makes maintenance simple and convenient.

[0060] (ii) The pressure plate device 1 of the utility model has an installation cavity 1115 with a top that passes through it on the outer wall of the base 111. When the sealing ring 15 needs to be assembled, the sealing ring 15 can be sleeved on the installation cavity 1115, and then the cover plate 112 can be covered on the base 111 to achieve compression and fixation of the sealing ring 15. The entire assembly process is simple and convenient.

[0061] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. A pressure plate device for melting glue, characterized in that: include: The pressure plate body comprises a base and a cover plate, wherein a cavity is formed inside the base, and the cover plate is detachably mounted on the base and seals the cavity; A heating plate, which is arranged in the cavity; A glue output component is arranged on the cover plate; a first glue inlet channel connected to the glue output component is opened on the pressure plate body; A lifting assembly, used to drive the platen body to move up and down; Among them, when the lifting component drives the pressure plate body to descend until the bottom surface of the pressure plate body contacts the top surface of the colloid, under the action of the heating plate, it can melt the colloid into glue and output it through the glue output component.

2. The platen device according to claim 1, characterized in that: It also includes a sealing ring, the outer side wall of the base is provided with an installation cavity with a through top, and the sealing ring is sleeved on the installation cavity; When the cover plate is arranged on the top of the base, it can press and fix the sealing ring.

3. The platen device according to claim 1 or 2, characterized in that: A first through slot is formed on the base, and a first through hole is formed on the cover plate at a position corresponding to the first through slot. The first through slot is connected to the first through hole to form the first glue feeding channel.

4. The platen device according to claim 3, characterized in that: The glue output assembly includes a guide seat arranged on the cover plate and a gear metering pump arranged on the guide seat, wherein: The gear metering pump is provided with a glue inlet hole and a glue outlet hole, and the guide seat is provided with a second through groove which is respectively connected with the first glue inlet channel and the glue inlet hole and forms a second glue inlet channel; The guide seat is also provided with a third through groove which is connected with the glue outlet hole and forms a first glue outlet channel.

5. The platen device according to claim 4, characterized in that: The guide seat is also provided with at least one glue delivery joint and a fourth through groove which is respectively connected to the glue delivery joint and the second through groove to form a second glue outlet channel.

6. The platen device according to claim 5, characterized in that: The guide seat and the cover plate are integrally formed.

7. The platen device according to claim 4, characterized in that: The guide seat is also provided with a reflux valve, and the guide seat is provided with a fifth through groove which is connected with the reflux valve and the second through groove respectively.

8. The platen device according to claim 7, characterized in that: It also includes a guide block arranged on the guide seat, and the return valve is arranged on the guide block, wherein: It also includes an exhaust valve arranged on the guide block, a sixth through groove connected to the exhaust valve is opened in the guide block, and a seventh through groove connected to the second through groove and the sixth through groove is opened in the guide seat.

9. The platen device according to claim 1 or 2, characterized in that: It also includes an exhaust rod, the pressure plate body is provided with an exhaust channel, and the exhaust rod is inserted into the exhaust channel, wherein: An eighth through slot is formed on the base, and a second through hole is formed on the cover plate at a position corresponding to the eighth through slot. The eighth through slot is connected to the second through hole to form the air outlet passage.

10. A hot melt adhesive machine, characterized in that: It comprises a bottom plate, a glue barrel arranged on the bottom plate, and a pressure plate device as described in any one of claims 1 to 9 arranged on the bottom plate, wherein the glue barrel stores colloid.

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