Special-shaped doctor blade for manufacturing clay model

Abstract

The utility model discloses a special-shaped doctor blade for manufacturing a clay model, which comprises a doctor blade, the left side and the right side of the doctor blade are respectively provided with a first L-shaped scraping groove and a second L-shaped scraping groove, the left side and the right side of the upper side wall and the lower side wall of the doctor blade are respectively provided with a pressing groove, the middle part of the doctor blade is provided with a connecting hole, and a screw rod is inserted into the connecting hole. The upper end of the screw rod is sleeved with a pressing handle, a pressing groove is formed in the upper end of the pressing handle, and a clamping groove is formed in the side wall of the pressing handle. By arranging the first L-shaped scraping groove and the second L-shaped scraping groove, multiple flanging requirements can be met through the arrangement of the two types of scraping grooves; through the arrangement of the pressing groove, the pressing handle and the clamping groove, when the first L-shaped scraping groove and the second L-shaped scraping groove are seriously abraded and need to be replaced, the long edges of the old first L-shaped scraping groove and the old second L-shaped scraping groove and the side portion of the scraping piece can be broken off through the clamping groove along the pressing groove trace, and then a new first L-shaped scraping groove and a new second L-shaped scraping groove can be formed, and the reuse requirement is met.

Description

Technical Field

[0001] The utility model relates to the technical field of special-shaped scrapers for oil clay models, in particular to a special-shaped scraper for making oil clay models. Background Art

[0002] When making clay models, it is often necessary to use a special-shaped scraper for flanging operations. When the scraper is vertically attached to the model surface, a large amount of excess clay can be scraped off to form the required flanging. However, the existing scraper blades are difficult to meet the flanging requirements of various models, and once the scraper groove is worn after repeated use, the entire scraper cannot be used again. For this reason, we propose a special-shaped scraper for making clay models. Utility Model Content

[0003] In order to solve the above problems, the utility model provides a special-shaped scraper for making clay models.

[0004] The utility model solves the problems raised in the above background technology.

[0005] The utility model discloses a special-shaped scraper for making clay models, comprising a scraper, wherein the scraper is respectively provided with a first L-shaped scraper groove and a second L-shaped scraper groove on the left and right sides, and the upper and lower side walls of the scraper are provided with pressure grooves on the left and right sides, and the pressure grooves are provided close to the first L-shaped scraper groove and the second L-shaped scraper groove of the scraper, a connecting hole is provided in the middle of the scraper, a screw is inserted in the connecting hole, a pressing handle is sleeved on the upper end of the screw, a pressing groove is provided on the upper end of the pressing handle, and a clamping groove is provided on the side wall of the pressing handle, the bottom end of the screw is connected with a nut through a thread, and a fastener is sleeved on the outer end of the nut.

[0006] In the above scheme, the pressing grooves are dotted line pressing grooves, and the number of the pressing grooves on the left and right sides is not less than two, which are arranged in parallel and equidistant from each other.

[0007] In the above solution, the length of the short groove side of the first L-shaped scraping groove is 3 mm.

[0008] In the above solution, the length of the short groove side of the second L-shaped scraping groove is 5 mm.

[0009] In the above solution, the length of the pressing handle is greater than or equal to the length of the long groove sides of the first L-shaped scraping groove and the second L-shaped scraping groove.

[0010] In the above scheme, the clamping groove communicates with the front and rear side walls of the pressing handle, and the width of the clamping groove is equal to the distance between two adjacent pressing grooves, and the inner cavity height of the clamping groove is equal to the thickness of the scraper blade.

[0011] In the above solution, the scraper blade is a carbon fiber blade.

[0012] The advantages and beneficial effects of the utility model are as follows: the utility model provides a special-shaped scraper for making oil clay models, and by arranging a first L-shaped scraper groove and a second L-shaped scraper groove, a large amount of excess oil clay can be scraped off to form the required flanging when vertically attached to the surface of the model, and the two types of scraper groove settings can meet a variety of flanging requirements; by arranging a pressing groove, a pressing handle and a clamping groove, when the first L-shaped scraper groove and the second L-shaped scraper groove are severely worn and need to be replaced, the clamping groove can be used to break off the long sides of the old first L-shaped scraper groove and the second L-shaped scraper groove and the side of the scraper along the pressing groove marks to form a new first L-shaped scraper groove and the second L-shaped scraper groove, thereby meeting the need for reuse and being simple and convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0014] Figure 1 It is a schematic diagram of the explosion structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0016] In the figure: 1 scraper, 2 connecting hole, 3 first L-shaped scraper groove, 4 second L-shaped scraper groove, 5 pressing groove, 6 pressing handle, 61 screw rod, 62 clamping groove, 63 pressing groove, 7 fastener, 71 nut. DETAILED DESCRIPTION

[0017] The following is a further description of the specific implementation of the present invention in conjunction with the accompanying drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection scope of the present invention.

[0018] like Figure 1-2As shown, the utility model is a special-shaped scraper for making a clay model, comprising a scraper 1, wherein the scraper 1 is a carbon fiber sheet, and the carbon fiber has the characteristics of high toughness and light weight. Under the premise of ensuring the service life of the scraper 1, the lightweight scraper 1 is easier to hold and operate; the scraper 1 is respectively provided with a first L-shaped scraping groove 3 and a second L-shaped scraping groove 4 on the left and right sides, and the length of the short groove side of the first L-shaped scraping groove 3 is 3mm; the length of the short groove side of the second L-shaped scraping groove 4 is 5mm, and the first L-shaped scraping groove 3 and the second L-shaped scraping groove 4 can scrape off a large amount of excess clay when vertically attached to the surface of the model to form the required flanging, and the two types of scraping groove settings can meet a variety of flanging requirements; the scraper 1 is provided with a pressing groove 5 on the left and right sides of the upper and lower side walls, and the pressing groove 5 is a dotted line pressing groove, and the number of the pressing grooves on the left and right sides is not less than two, which are arranged in parallel with each other at equal distances, and the upper and lower pressing grooves 5 are connected, that is, an indentation, which is convenient for breaking operation, and the width of the dotted line of the pressing groove 5 is extremely narrow, which will not affect its normal use; the pressing groove 5 is provided near the first L-shaped scraping groove 3 and the second L-shaped scraping groove 4 of the scraper blade, a connecting hole 2 is provided in the middle of the scraper blade 1, a screw 61 is inserted in the connecting hole 2, a pressing handle 6 is sleeved on the upper end of the screw 61, and the length of the pressing handle 6 is greater than or equal to the length of the long groove side of the first L-shaped scraping groove 3 and the second L-shaped scraping groove 4; a pressing groove 63 is provided on the upper end of the pressing handle 6, and a clamping groove 62 is provided on the side wall of the pressing handle 6, the clamping groove 62 is connected to the front and rear side walls of the pressing handle 6, and the clamping groove The width of 62 is equal to the spacing between two adjacent pressing grooves 5, and the inner cavity height of the clamping groove 62 is equal to the thickness of the scraper 1, ensuring that the length of the clamping groove 62 is greater than or equal to the long groove length of the first L-shaped scraping groove 3 and the second L-shaped scraping groove 4, so that when the clamping groove 62 is inserted into the long groove edge of the first L-shaped scraping groove 3 and the second L-shaped scraping groove 4, it can be completely covered, and the side can be aligned with the nearest pressing groove 5; the bottom end of the screw rod 61 is connected to a nut 71 by threading, and the outer end of the nut 71 is sleeved with a fastener 7;

[0019] Specifically, when the first L-shaped scraper groove 3 and the second L-shaped scraper groove 4 are severely worn and need to be replaced, rotate the fastener 7 to separate the nut 71 from the screw 61, lift and press the handle 6 to separate the screw 61 from the connecting hole 2, and then connect the clamping groove 62 with the long sides of the first L-shaped scraper groove 3 and the second L-shaped scraper groove 4 so that the edge of the clamping groove 62 corresponds to the position of the pressing groove 63. By forcefully prying the pressing handle 6, the long sides of the first L-shaped scraper groove 3 and the second L-shaped scraper groove 4 can be broken along the indentation of the pressing groove 63, thereby forming a new first L-shaped scraper groove 3 and a second L-shaped scraper groove 4 for better use.

[0020] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A special-shaped scraper for making a clay model, comprising a scraper (1), characterized in that: The scraper (1) is provided with a first L-shaped scraper groove (3) and a second L-shaped scraper groove (4) on the left and right sides respectively; the scraper (1) is provided with a pressing groove (5) on the left and right sides of the upper and lower side walls; the pressing groove (5) is provided near the first L-shaped scraper groove (3) and the second L-shaped scraper groove (4) of the scraper; a connecting hole (2) is provided in the middle of the scraper (1); a screw rod (61) is inserted into the connecting hole (2); a pressing handle (6) is sleeved on the upper end of the screw rod (61); a pressing groove (63) is provided on the upper end of the pressing handle (6); and a clamping groove (62) is provided on the side wall of the pressing handle (6); a nut (71) is connected to the bottom end of the screw rod (61) by a thread; and a fastener (7) is sleeved on the outer end of the nut (71).

2. The special-shaped scraper for making a clay model according to claim 1, characterized in that: The pressing grooves (5) are dotted-line pressing grooves, and the number of the pressing grooves on the left and right sides is not less than two, and they are arranged in parallel and at equal distances from each other.

3. The special-shaped scraper for making a clay model according to claim 1, characterized in that: The length of the short groove side of the first L-shaped scraping groove (3) is 3 mm.

4. The special-shaped scraper for making a clay model according to claim 1, characterized in that: The length of the short groove side of the second L-shaped scraping groove (4) is 5 mm.

5. The special-shaped scraper for making a clay model according to claim 1, characterized in that: The length of the pressing handle (6) is greater than or equal to the length of the long groove sides of the first L-shaped scraping groove (3) and the second L-shaped scraping groove (4).

6. The special-shaped scraper for making a clay model according to claim 1, characterized in that: The clamping groove (62) is connected to the front and rear side walls of the pressing handle (6), and the width of the clamping groove (62) is equal to the distance between two adjacent pressing grooves (5). The inner cavity height of the clamping groove (62) is equal to the thickness of the scraper (1).

7. The special-shaped scraper for making a clay model according to claim 1, characterized in that: The scraper blade (1) is a carbon fiber blade.

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