Scraper head device
By designing the scraper head device, the problems of scraper adhering to glue impurities and inaccurate position adjustment are solved, the uniformity and temperature control of glue scraping are achieved, and it adapts to diverse glue coating needs.
Patent Information
- Application Number
- CN202421511835.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-06-28
AI Technical Summary
After being used for a period of time, existing scrapers tend to adhere to glue impurities, resulting in uneven glue coating and difficulty in accurately adjusting the position according to the thickness of the film coating.
A scraper head device was designed, which included a fixed block, a clamping block, a scraper blade, a heating rod and a temperature sensing head. The angle and width could be adjusted through nuts and connectors, and it was equipped with a glue discharge valve and temperature control functions.
It achieves the uniformity of scraping glue and precise adjustment of the angle, adapts to the gluing requirements of different products, and has heating and temperature control capabilities.
Smart Images

Figure CN223367363U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hot melt adhesive scraping guns, and more specifically to a scraper head device. Background Art
[0002] Hot melt glue scrapers are production tools featuring precise on-off switching, a variety of nozzles to meet the requirements of different production lines, and a unique filter design that facilitates cleaning. Conventional hot melt glue guns can withstand prolonged use at temperatures of 300°C without deformation and are therefore durable. However, existing scrapers tend to accumulate a large amount of adhesive impurities after use, resulting in uneven application of the glue to the substrate surface. Furthermore, scrapers cannot be precisely adjusted to the desired film thickness, making them difficult to meet production requirements. Utility Model Content
[0003] In order to solve at least one of the above technical problems, the present utility model proposes a scraper head device.
[0004] A first aspect of the utility model provides a scraper head device, comprising: a fixing block and a clamping block;
[0005] A scraper blade is provided between the fixing block and the clamping block, and a notch is provided at the bottom of the scraper blade;
[0006] A glue inlet is provided at one end of the fixing block, a glue flow channel is provided inside the fixing block, and the glue inlet is communicated with the glue flow channel;
[0007] The notch corresponds to the outlet position of the glue flow channel.
[0008] In a preferred embodiment of the present invention, a first nut and a second nut are provided at one end of the fixing block, a glue inlet is provided inside the first nut, and the second nut is installed at one end of the first nut, and the thickness of the second nut is greater than that of the first nut.
[0009] In a preferred embodiment of the present invention, a connecting piece is provided inside the second nut, and the first nut and the second nut are mounted on the fixing block via the connecting piece.
[0010] In a preferred embodiment of the present invention, a glue scraping working surface is provided at the bottom of the scraper blade.
[0011] In a preferred embodiment of the present invention, a heating rod and a temperature sensing head are arranged in parallel at one end of the fixing block close to the glue inlet.
[0012] In a preferred embodiment of the present invention, the heating rod and the temperature sensing head are inserted into the fixing block, and one end portion of the heating rod and the temperature sensing head protrudes from the end surface of the fixing block.
[0013] In a preferred embodiment of the present invention, a set screw is provided on the top of the fixing block, and the heating rod and the temperature sensing head are fixed by the set screw.
[0014] In a preferred embodiment of the present invention, the position and width of the notch are adjusted according to the position and width of the scraping glue.
[0015] The above technical solution of the utility model has the following advantages compared with the prior art:
[0016] 1. The glue inlet of this scraper head device can be connected to the matching glue discharge valve. It comes with a heating rod and a temperature sensor. After connecting the circuit, it can achieve heating and temperature control.
[0017] 2. This scraper head device can achieve glue scraping and laminating between two surfaces at a smaller angle, and the glue is discharged evenly. After adjusting to a suitable angle according to the position of the product, the angle can be locked after tightening the second nut (glue nozzle nut).
[0018] 3. The position and width of the scraper can be adjusted by changing the position and width of the scraper blade notch. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the specific implementation methods or the description of the prior art. Obviously, some of the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0020] Figure 1 This is a schematic diagram of the three-dimensional structure of the scraper head device according to an embodiment of the utility model;
[0021] Figure 2 This is a front view of the scraper head device according to an embodiment of the present utility model;
[0022] Figure 3 This is a side view of the scraper head device according to an embodiment of the present utility model;
[0023] Figure 4 This is a schematic diagram of the scraper blade structure of an embodiment of the utility model;
[0024] Figure 5 It is a schematic diagram of the decomposition structure of the oblique scraper head of the embodiment of the utility model.
[0025] In the figure, 1. fixing block, 2. scraper blade, 3. clamping block, 4. pan head screw, 5. first nut, 6. second nut, 7. glue inlet, 8. heating rod, 9. temperature sensing head, 10. set screw, 11. scraper working surface, 12. notch, 13. glue flow channel, 14. connecting parts. DETAILED DESCRIPTION
[0026] In order to more clearly understand the above-mentioned objectives, features and advantages of the present invention, the present invention is further described in detail below in conjunction with specific embodiments. It should be noted that, in the absence of conflict, the embodiments of the present application and the features therein can be combined with each other.
[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.
[0028] Example 1
[0029] See also Figure 1-Figure 5 As shown, the utility model proposes a scraper head device, comprising: a fixed block 1 and a clamping block 3; a scraper blade 2 is arranged between the fixed block 1 and the clamping block 3, and a notch 12 is arranged at the bottom of the scraper blade 2; a glue inlet 7 is provided at one end of the fixed block 1, and a glue flow channel 13 is provided inside the fixed block 1, the glue inlet 7 is connected to the glue flow channel 13, and the notch 12 corresponds to the outlet position of the glue flow channel 13.
[0030] It should be noted that the scraper head device can achieve glue scraping and laminating between two surfaces at a smaller angle, and the glue can be discharged evenly. After adjusting to a suitable angle according to the position of the product, the angle can be locked after tightening the second nut 6 (glue nozzle nut).
[0031] Specifically, a plurality of pan head screws 4 are provided on one side of the clamping block 3 , and the plurality of pan head screws 4 pass through the clamping block 3 and the scraping blade 2 , and are inserted and fixed on the fixing block 1 , thereby improving the firmness of the clamping block and the scraping blade 2 .
[0032] According to an embodiment of the present utility model, a first nut 5 and a second nut 6 are provided at one end of the fixing block 1, a glue inlet 7 is provided inside the first nut 5, and the second nut 6 is installed at one end of the first nut 5, and the thickness of the second nut 6 is greater than the thickness of the first nut 5.
[0033] It should be noted that the glue inlet 7 can be connected to a matching glue outlet valve, and has a built-in heating rod 8 and a temperature sensor, which can achieve heating and temperature control after connecting the circuit.
[0034] According to an embodiment of the present invention, a connecting piece 14 is provided inside the second nut 6 , and the first nut 5 and the second nut 6 are mounted on the fixing block 1 through the connecting piece 14 .
[0035] According to the embodiment of the present invention, a scraping working surface 11 is provided at the bottom of the scraper blade 2 .
[0036] According to an embodiment of the present invention, a heating rod 8 and a temperature sensing head 9 are arranged side by side at one end of the fixing block 1 close to the glue inlet 7 .
[0037] Specifically, the heating rod 8 and the temperature sensing head 9 are inserted into the fixed block 1, and one end of the heating rod 8 and the temperature sensing head 9 protrudes from the end surface of the fixed block 1. The heating rods 8 of different powers and the temperature sensing heads 9 of different sensitivities can be flexibly replaced by plugging and unplugging, thereby improving the temperature heating accuracy and detection flexibility.
[0038] In addition, a set screw 10 is provided on the top of the fixing block 1, and the heating rod 8 and the temperature sensing head 9 are fixed by the set screw 10. When replacing the temperature sensing head 9 and the heating rod 8, the set screw 10 is rotated to loosen or clamp the heating rod 8 and the temperature sensing head 9. The fixing method is that the end of the set screw 10 is pressed against the top of the heating rod 8 and the temperature sensing head 9 for fixing.
[0039] Specifically, the pan head screw 4 and the set screw 10 are both hexagon socket structures.
[0040] According to the embodiment of the present invention, the position and width of the notch 12 are adjusted according to the position and width of the scraping glue.
[0041] It should be noted that the position and width of the scraping can be adjusted by changing the position and width of the notch 12 of the scraping blade 2, or by replacing the scraping blade 2 with a notch 12 of other sizes to adjust the glue discharge width.
[0042] Furthermore, the size of the notch 12 is 1-20 mm. Optionally, the size of the notch 12 includes but is not limited to 5 mm, 10 mm, and 15 mm. Within the size range of 1-20 mm, any size within this range is within the protection scope of this application.
[0043] The technical features of the above embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0044] The above description of the disclosed embodiments is intended to enable one skilled in the art to implement or use the present invention. Various modifications to the above embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein, but is intended to encompass the widest scope consistent with the principles and novel features disclosed herein.
[0045] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.
Claims
1. A scraper head device, comprising: The fixing block and the clamping block are characterized in that: A scraper blade is provided between the fixing block and the clamping block, and a notch is provided at the bottom of the scraper blade; A glue inlet is provided at one end of the fixing block, a glue flow channel is provided inside the fixing block, and the glue inlet is communicated with the glue flow channel; The notch corresponds to the outlet position of the glue flow channel.
2. A scraper head device according to claim 1, characterized in that: A first nut and a second nut are provided at one end of the fixing block. A glue inlet is provided inside the first nut. The second nut is installed at one end of the first nut. The thickness of the second nut is greater than that of the first nut.
3. A scraper head device according to claim 2, characterized in that: A connecting piece is provided inside the second nut, and the first nut and the second nut are mounted on the fixing block through the connecting piece.
4. A scraper head device according to claim 1, characterized in that: The bottom of the scraper blade is provided with a scraping glue working surface.
5. The scraper head device according to claim 1, characterized in that: A heating rod and a temperature sensing head are arranged in parallel on one end of the fixing block close to the glue inlet.
6. A scraper head device according to claim 5, characterized in that: The heating rod and the temperature sensing head are inserted into the fixing block, and one end portion of the heating rod and the temperature sensing head protrudes from the end surface of the fixing block.
7. A scraper head device according to claim 6, characterized in that: A set screw is provided on the top of the fixing block, and the heating rod and the temperature sensing head are fixed by the set screw.
8. The scraper head device according to claim 1, characterized in that: The position and width of the notch are adjusted according to the position and width of the scraping glue.