A hob for dressing small module insert type continuous blades before grinding

Abstract

The present application discloses a small-module replaceable continuous blade pre-grinding hob for use in the hob field. The hob is provided with a continuous cutter body and a ferrule, so that the continuous cutter body can be removed from the roller body and replaced at will. When part of the continuous cutter body is damaged, only the corresponding continuous cutter body needs to be removed and replaced, avoiding the need to replace the entire hob. Compared with the traditional integrated hob, the effective service life of the roller body is improved, and waste is greatly avoided. By providing devices such as fastening pads, the fixing effect of the continuous cutter body is enhanced, and the continuous cutter body is prevented from affecting its processing effect due to loose fixation. By adding devices such as thermal expansion fluid to the inside of the fastening pad, the wear degree of the continuous cutter body and the ferrule can be used to warn the staff, so that the continuous cutter body, ferrule or fastening pad can be replaced more timely, reducing the loosening caused by wear and affecting the processing effect of the gear.

Description

Technical Field

[0001] The present application relates to the field of hobs, and in particular to a pre-grinding hob with replaceable, continuous blades of small module. Background Art

[0002] The hob before grinding is a kind of tool used for gear processing. The current hobs are generally formed in one piece. When the blade on the hob is worn or damaged, the hob needs to be replaced as a whole.

[0003] In most cases, many blades of the replaced hob can still be used, which brings unnecessary waste and therefore needs further improvement. Summary of the Invention

[0004] The purpose of this application is to make the blades on the roller body detachable and replaceable, reduce the replacement frequency of the roller body, and increase the service life of the roller body. Compared with the existing technology, a small-module replaceable continuous blade pre-grinding hob is provided, including a roller body, an axial hole is opened through the middle of the roller body, and the outer wall of the roller body is fixedly connected with a plurality of branches distributed in a ring array, and the branches are tooth-shaped, and the outer wall of the roller body is provided with a plurality of placement grooves matching the branches, and the placement grooves correspond to the branches one by one, the roller body is provided with a transverse threaded hole near the top of the placement groove, and the roller body is provided with a plurality of longitudinal threaded holes on the side wall near the placement groove, and a plurality of placement grooves are placed on the inner sides of the plurality of placement grooves. The cutter body is set to be serrated, the tip of the continuous cutter body exceeds the tip of the support body, and the side of the support body away from the continuous cutter body is set to be inclined, and the side wall of the roller is engraved with an indicator mark, and the indication direction of the indicator mark is from the support body to the continuous cutter body. A clamping sleeve is placed inside the transverse threaded hole and multiple longitudinal threaded holes, and the clamping sleeve is fixedly connected to the corresponding transverse threaded hole and longitudinal threaded hole by bolts. The bolts pass through the clamping sleeve and are threadedly connected to the corresponding transverse threaded hole and longitudinal threaded hole. The clamping sleeve is close to the side of the continuous cutter body and is tightly attached to the continuous cutter body, so that the blade on the roller can be removed and replaced, thereby improving the service life of the roller and reducing waste of resources.

[0005] Furthermore, the side of the sleeve close to the row of cutter bodies is set to an inclined shape, and the inclined surface of the sleeve is concave from the outside to the inside. Through the above setting, when the sleeve is installed, it can have a better fastening effect on the row of cutter bodies, so that the row of cutter bodies can be better fixed inside the placement groove.

[0006] Furthermore, multiple rows of continuous cutter bodies are staggered with each other, and multiple continuous cutter bodies are distributed in a stepped manner. By setting the continuous cutter bodies, the length of the continuous cutter bodies is reduced while ensuring the roller processing effect, thereby reducing the use cost of the continuous cutter bodies.

[0007] Optionally, fastening pads are provided between the continuous cutter body and the ferrule inside the transverse threaded hole and between the continuous cutter body and the ferrule inside the longitudinal threaded hole, and the fastening pads are in close contact with the continuous cutter body and the ferrule.

[0008] Furthermore, the side surface of the fastening pad close to the ferrule is configured to be inclined to match the ferrule.

[0009] Optionally, a top cavity is provided inside the inner side of the fastening pad, and a through cavity is provided inside the outer side of the fastening pad. The interior of the top cavity is filled with thermal expansion fluid. Through the above arrangement, the fixing effect of the continuous cutter body is enhanced. When slight wear occurs between the continuous cutter body and the ferrule, the processing effect of the continuous cutter body can still be guaranteed.

[0010] Optionally, an opening and closing seam is provided between the top cavity and the through cavity, and capillary holes are provided through the side wall of the through cavity. Through the above arrangement, the degree of wear of the row of cutter bodies or ferrules or fastening pads can be reminded.

[0011] Optionally, the thermal expansion fluid is mixed with red dye. Through the above arrangement, when the thermal expansion fluid is discharged outward through the capillaries, the red color is more easily discovered by the staff, which indirectly improves the timeliness of replacing the continuous cutter body and the ferrule after wear.

[0012] Optionally, a color developing layer is fixedly connected to the outer wall of the fastening pad, the color developing layer is connected to the capillary pores, and the color developing layer is made of paper material; through the above setting, the warning effect of the thermal expansion liquid is further improved, and the timeliness of the replacement of the continuous knife body and the card sleeve is further improved.

[0013] Optionally, the fastening pad between the ferrule inside the transverse threaded hole and the row of cutter bodies is set to a square shape, and the fastening pad between the ferrule inside the longitudinal threaded hole and the row of cutter bodies is set to a rectangular shape.

[0014] Compared with the existing technology, the advantages of this application are:

[0015] (1) The hob is provided with a continuous cutter body and a ferrule, so that the continuous cutter body can be removed from the roller and replaced at will. When part of the continuous cutter body is damaged, only the corresponding continuous cutter body needs to be removed and replaced, avoiding the need to replace the entire hob. Compared with the traditional integrated hob, the effective service life of the roller is improved, and waste is greatly avoided. The setting of devices such as fastening pads strengthens the fixing effect of the continuous cutter body, preventing the continuous cutter body from affecting its processing effect due to loose fixation. The setting of devices such as adding thermal expansion fluid inside the fastening pad can serve as a warning to the staff of the degree of wear of the continuous cutter body and the ferrule, so that the continuous cutter body, ferrule or fastening pad can be replaced more timely, reducing the loosening caused by wear and tear and the impact on the processing effect of the gear.

[0016] (2) The side of the ferrule close to the continuous cutter body is set to an inclined shape, and the inclined surface of the ferrule is concave from the outside to the inside. Through the above setting, when the ferrule is installed, it can have a better fastening effect on the continuous cutter body, so that the continuous cutter body can be better fixed inside the placement groove.

[0017] (3) Multiple rows of continuous cutter bodies are staggered with each other, and multiple continuous cutter bodies are distributed in a stepped manner. By setting the continuous cutter bodies, the length of the continuous cutter bodies is reduced while ensuring the roller processing effect, thereby reducing the use cost of the continuous cutter bodies.

[0018] (4) A top cavity is provided inside the inner side of the fastening pad, and a through cavity is provided inside the outer side of the fastening pad. The top cavity is filled with thermal expansion fluid. Through the above arrangement, the fixing effect of the continuous cutter body is enhanced. When slight wear occurs between the continuous cutter body and the ferrule, the processing effect of the continuous cutter body can still be guaranteed.

[0019] (5) An opening and closing seam is provided between the top cavity and the through cavity, and capillary holes are provided through the side wall of the through cavity. Through the above arrangement, the degree of wear of the row of cutter bodies, ferrules or fastening pads can be reminded.

[0020] (6) The interior of the thermal expansion fluid is mixed with red dye. Through the above setting, when the thermal expansion fluid is discharged outward through the capillaries, the red color is more easily discovered by the staff, which indirectly improves the timeliness of replacing the continuous cutter body and the ferrule after wear.

[0021] (7) The outer wall of the fastening pad is fixedly connected with a color-developing layer, which is connected to the capillary pores and is made of paper material. Through the above arrangement, the warning of the thermal expansion fluid is further improved, and the timeliness of the replacement of the continuous blade body and the ferrule is further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a front perspective view of the present application;

[0023] Figure 2 A side perspective view of the present application;

[0024] Figure 3 This is a three-dimensional diagram of the roller body when the cutter body of this application is removed from the placement groove;

[0025] Figure 4 This is the arrangement and distribution diagram of multiple consecutive blade bodies in this application;

[0026] Figure 5 This is the connection structure diagram of the cutter body and the ferrule in this application;

[0027] Figure 6 This is a schematic diagram of the splitting of the cutter body and the ferrule in this application;

[0028] Figure 7 This is a side cross-sectional view of the transverse threaded hole of this application;

[0029] Figure 8 This is a top cross-sectional view of the longitudinal threaded hole of this application;

[0030] Figure 9 This is a side cross-sectional view of the fastening pad of this application;

[0031] Figure 10 This is a diagram of the state when the top cavity of this application is expanded.

[0032] Description of the numbers in the figure:

[0033] 1. Roller; 101. Support; 102. Placement groove; 103. Horizontal threaded hole; 104. Longitudinal threaded hole; 2. Continuous cutter body; 3. Clamping sleeve; 301. Bolt; 4. Fastening pad; 401. Top cavity; 402. Through cavity; 403. Capillary pores; 404. Color-developing layer; 405. Opening and closing seam; 5. Axis hole; 6. Indicator. Implementation Method

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application. Example

[0035] This application discloses a small-module interchangeable continuous blade pre-grinding hob. Figure 1-8, including a roller 1, an axial hole 5 is opened through the middle of the roller 1, and the outer wall of the roller 1 is fixedly connected with a plurality of branches 101 distributed in a ring array, and the branches 101 are tooth-shaped, and the outer wall of the roller 1 is provided with a plurality of placement grooves 102 matching the branches 101, and the placement grooves 102 correspond to the branches 101 one by one, and the roller 1 is provided with a transverse threaded hole 103 near the top of the placement groove 102, and the side wall of the roller 1 is provided with a plurality of longitudinal threaded holes 104 near the placement groove 102. A row of cutter bodies 2 are placed on the inner side of the plurality of placement grooves 102, and the row of cutter bodies 2 are arranged in a serrated shape. The tip of the row of cutter bodies 2 exceeds the tip of the branch 101, and the branch 101 is away from the row of cutter bodies One side of 2 is set to be inclined, and the side wall of the roller 1 is engraved with an indicator mark 6. The indicating direction of the indicator mark 6 is from the support 101 to the continuous cutter body 2. The inside of the horizontal threaded hole 103 and the multiple longitudinal threaded holes 104 are all equipped with a clamping sleeve 3, and the clamping sleeve 3 is fixedly connected to the corresponding horizontal threaded hole 103 and the longitudinal threaded hole 104 by a bolt 301. The bolt 301 passes through the clamping sleeve 3 and is threadedly connected to the corresponding horizontal threaded hole 103 and the longitudinal threaded hole 104. The side of the clamping sleeve 3 closes to the continuous cutter body 2 and is tightly attached to the continuous cutter body 2. When using, place the continuous cutter body 2 inside the placement groove 102, and then fix the continuous cutter body 2 with the clamping sleeve 3 by the bolt 301.

[0036] See also Figure 1-8 The side of the sleeve 3 close to the continuous cutter body 2 is set to an inclined shape, and the inclined surface of the sleeve 3 is concave from the outside to the inside. Through the above setting, when the sleeve 3 is installed, the continuous cutter body 2 can be better fastened, so that the continuous cutter body 2 can be better fixed inside the placement groove 102. Multiple rows of continuous cutter bodies 2 are staggered with each other, and multiple continuous cutter bodies 2 are distributed in a stepped manner. Through the setting of the continuous cutter body 2, the length of the continuous cutter body 2 is reduced while ensuring the processing effect of the roller 1, thereby reducing the use cost of the continuous cutter body 2.

[0037] See also Figure 1-8 A fastening pad 4 is provided between the continuous cutter body 2 and the ferrule 3 inside the horizontal threaded hole 103 and between the continuous cutter body 2 and the ferrule 3 inside the longitudinal threaded hole 104. The fastening pad 4 is tightly attached to the continuous cutter body 2 and the ferrule 3. The side of the fastening pad 4 close to the ferrule 3 is set to an inclined shape matching the ferrule 3. The fastening pad 4 between the ferrule 3 inside the horizontal threaded hole 103 and the continuous cutter body 2 is set to a square shape, and the fastening pad 4 between the ferrule 3 inside the longitudinal threaded hole 104 and the continuous cutter body 2 is set to a rectangular shape.

[0038] See also Figure 9-10The inner side of the fastening pad 4 is provided with a top cavity 401, and the outer side of the fastening pad 4 is provided with a through cavity 402. The interior of the top cavity 401 is filled with thermal expansion fluid. Since the ferrule 3 and the continuous cutter body 2 will wear out after long-term use, the continuous cutter body 2 will become loose after wear. If the continuous cutter body 2 cannot be replaced in time, the processed gear will be unqualified. Through the above arrangement, when processing the gear, the continuous cutter body 2 will generate a lot of heat due to friction. At this time, the thermal expansion fluid in the top cavity 401 expands due to heat and becomes larger in volume, which can keep the fastening pad 4, the continuous cutter body 2 and the ferrule 3 in a close contact state at all times. Through the above arrangement, the fixing effect of the continuous cutter body 2 is enhanced, and a slight friction occurs between the continuous cutter body 2 and the ferrule 3. When the continuous blade body 2 and the cutting sleeve 3 are worn or loose, the top cavity 401 expands and drives the opening and closing slit 405 to open. At this time, the thermal expansion liquid inside the top cavity 401 can enter the interior of the cutting chamber 402 through the opening and closing slit 405 and be discharged through the capillary pores 403. At this time, it indicates that the continuous blade body 2 or the cutting sleeve 3 has been worn and needs to be replaced.

[0039] See also Figure 1-3 and 9-10, the interior of the thermal expansion liquid is mixed with a red dye. Through the above-mentioned arrangement, when the thermal expansion liquid is discharged outward through the capillary pores 403, the red color is more easily discovered by the staff, which indirectly improves the timeliness of replacing the row of cutter bodies 2 and the ferrules 3 after wear. The outer wall of the fastening pad 4 is fixedly connected with a color developing layer 404, and the color developing layer 404 is connected to the capillary pores 403. The color developing layer 404 is made of paper material; when the thermal expansion liquid inside the top cavity 401 is discharged outward through the capillary pores 403, the color developing layer 404 can absorb the thermal expansion liquid and diffuse it, while avoiding the thermal expansion liquid from being thrown out, further improving the warning of the thermal expansion liquid, and further improving the timeliness of replacing the row of cutter bodies 2 and the ferrule 3.

[0040] The above is only a preferred specific implementation method of the present application, but the scope of protection of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed in the present application based on the technical solution and its improved ideas, which should be covered by the scope of protection of the present application.

Claims

1. A small-module replaceable continuous blade pre-grinding hob, comprising a roller (1), wherein an axial hole (5) is provided through the middle of the roller (1), characterized in that: The outer wall of the roller (1) is fixedly connected to a plurality of branches (101) distributed in a ring array, and the branches (101) are tooth-shaped. The outer wall of the roller (1) is provided with a plurality of placement grooves (102) matching the branches (101), and the placement grooves (102) correspond to the branches (101) one by one. The roller (1) is provided with a transverse threaded hole (103) near the top of the placement groove (102). The side wall of the roller (1) is provided with a plurality of longitudinal threaded holes (104). A row of cutter bodies (2) are placed on the inner side of the plurality of placement grooves (102). The row of cutter bodies (2) are arranged in a sawtooth shape, and the tip of the row of cutter bodies (2) exceeds the tip of the branch (101). The side of the support (101) away from the row of cutter bodies (2) is set to be inclined, and the side wall of the roller (1) is engraved with an indicator mark (6), and the indicating direction of the indicator mark (6) is from the support (101) to the row of cutter bodies (2), and the inside of the transverse threaded hole (103) and the plurality of longitudinal threaded holes (104) are all provided with a clamping sleeve (3), and the clamping sleeve (3) is fixedly connected to the corresponding transverse threaded hole (103) and the longitudinal threaded hole (104) by a bolt (301), and the bolt (301) passes through the clamping sleeve (3) and is threadedly connected to the corresponding transverse threaded hole (103) and the longitudinal threaded hole (104), and the clamping sleeve (3) is close to the side of the row of cutter bodies (2) and is in close contact with the row of cutter bodies (2); A fastening pad (4) is provided between the continuous blade body (2) and the clamping sleeve (3) inside the transverse threaded hole (103) and between the continuous blade body (2) and the clamping sleeve (3) inside the longitudinal threaded hole (104). The fastening pad (4) is in close contact with the continuous blade body (2) and the clamping sleeve (3). A top cavity (401) is provided inside the inner side of the fastening pad (4). A through cavity (402) is provided inside the outer side of the fastening pad (4). The top cavity (401) is provided with a plurality of holes. The interior is filled with thermal expansion liquid, an opening and closing seam (405) is provided between the top cavity (401) and the through cavity (402), a capillary pore (403) is provided through the side wall of the through cavity (402) toward the outside, a red dye is mixed in the thermal expansion liquid, a color development layer (404) is fixedly connected to the outer wall of the fastening pad (4), the color development layer (404) is communicated with the capillary pore (403), and the color development layer (404) is made of paper material.

2. A small-module replaceable continuous blade pre-grinding hob according to claim 1, characterized in that: The side surface of the clamping sleeve (3) close to the continuous blade body (2) is arranged in an inclined shape, and the inclined surface of the clamping sleeve (3) is concave from the outside to the inside.

3. A small-module replaceable continuous blade pre-grinding hob according to claim 1, characterized in that: The multiple rows of continuous blade bodies (2) are staggered with each other, and the multiple continuous blade bodies (2) are distributed in a stepped manner.

4. A small-module replaceable continuous blade pre-grinding hob according to claim 1, characterized in that: The side surface of the fastening pad (4) close to the ferrule (3) is arranged in an inclined shape that matches the ferrule (3).

5. A small-module replaceable continuous blade pre-grinding hob according to claim 1, characterized in that: The fastening pad (4) between the clamping sleeve (3) inside the transverse threaded hole (103) and the row of cutter bodies (2) is set to be square, and the fastening pad (4) between the clamping sleeve (3) inside the longitudinal threaded hole (104) and the row of cutter bodies (2) is set to be rectangular.

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