Single-blade hob cutter
By setting guide grooves and water outlet holes on the single-edged hobbing cutter, the problem of uneven cooling in the existing technology is solved by using water flow to directly cool the cutter ring, thus achieving efficient cutting of rocks and realizing effective cooling of the cutter ring and improvement of cutting efficiency.
Patent Information
- Application Number
- CN202520090636.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-01-15
AI Technical Summary
When cutting rocks, existing single-edged hobbing cutters cause water to accumulate behind the cutter ring, making it difficult to effectively cool the front of the cutter ring, which affects cutting efficiency and may lead to overheating and damage.
A single-edged hobbing cutter was designed, comprising an outer frame, a limiting mechanism, and a cutter body. By setting a guide groove and a water outlet on the cutter ring, water flows from the inlet pipe into the cavity of the outer shell, connecting pipe, and partition, and then exits from the water outlet, directly acting on the cutter ring for cooling. The water also forms a cutting groove when the cutter ring rotates to assist in cutting.
It achieves effective cooling of the cutter ring, improves cutting efficiency, avoids overheating damage, and enhances the cutting and digging capabilities of the single-edged hob.
Smart Images
Figure CN223767499U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to single blade hobbing tool field especially relates to a single blade hobbing tool. BACKGROUND
[0002] Single blade hobbing tool is a kind of cutter for tunnel boring equipment.It is mainly composed of cutter body, cutter ring, bearing, sealing device and other parts, when tunnel boring, cutter head drives single blade hobbing tool to do revolution, when hobbing tool contacts with rock, due to the propulsion and rotation of cutter head, hobbing tool ring cutting edge will cut into rock surface.
[0003] When cutting rock etc., to ensure cutting efficiency, avoid cutter ring overheating damage, improve cutting and excavation efficiency simultaneously, cutter ring needs to be cooled down, generally, water will be poured behind cutter, and this cooling method water flow will gather behind cutter ring, not easy to act on the front of cutter ring, inconvenient for efficient cutting of rock. UTILITY MODEL CONTENT
[0004] The utility model aims at improving the cutting and excavation efficiency of single blade hobbing tool, avoiding single blade hobbing tool damage due to overheating during use.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A kind of single blade hobbing tool, including outer frame, the inside of the outer frame is installed with limiting mechanism, the inside of the limiting mechanism is installed with cutter body, the cutter body includes installation shaft, the outer surface of the installation shaft is fixedly connected with cutter body, the outer periphery of the cutter body is provided with cutter ring, annular clamping groove is formed between the cutter body and cutter ring, the upper and lower surfaces of the cutter ring are all set with guide slot, the guide slot is inclinedly arranged, and the number of guide slot is multiple, and the connecting portion of the guide slot on the upper and lower surfaces forms cutting groove.
[0007] By adopting the above technical scheme, the multiple guide slots on the cutter body not only can guide water flow, but also can form cutting groove, so as to facilitate the cutter body to cut and excavate rock etc.
[0008] As a further improvement of the above technical scheme, the outer frame includes shell, the inside of the shell is provided with first cavity, the surface of the shell is set with mounting hole, and the installation shaft is located in the inside of mounting hole.
[0009] By adopting the above technical scheme, the cutter body can be fixed and positioned with limiting mechanism, and the cutter body can be conveniently installed on excavating equipment.
[0010] As a further improvement of the above technical solution, the side wall of the shell is fixedly connected with a water inlet pipe, one end of the water inlet pipe extending to the inside of the first cavity.
[0011] By adopting the above technical scheme, water flow is introduced into the water inlet pipe, which can cool the cutter body.
[0012] As a further improvement of the above technical solution, the inner surface of the shell is fixedly connected with a connecting pipe, one end of the connecting pipe extending to the inside of the first cavity.
[0013] By adopting the above technical scheme, the water flow entering the inside of the shell enters the inside of the limiting mechanism through the connecting pipe.
[0014] As a further improvement of the above technical solution, the limiting mechanism comprises a partition plate, the inside of the partition plate being provided with a second cavity, the outer surface of the partition plate being fixedly connected with the inner surface of the shell, and the partition plate being located inside the annular clamping groove.
[0015] By adopting the above technical scheme, the partition plate and the shell are fixedly connected together by welding, and under the action of the annular clamping groove, the knife ring can hide the gap between the partition plate and the cutter body.
[0016] As a further improvement of the above technical solution, the inside of the partition plate is fixedly connected with a bearing, and the bearing is installed on the outer surface of the mounting shaft.
[0017] By adopting the above technical scheme, the mounting shaft is facilitated to rotate.
[0018] As a further improvement of the above technical solution, the outer surface of the partition plate is provided with a connecting hole, and one end of the connecting pipe away from the shell extends to the inside of the second cavity through the connecting hole.
[0019] By adopting the above technical scheme, the water flow entering the inside of the shell can enter the inside of the partition plate.
[0020] As a further improvement of the above technical solution, the surface of the partition plate is provided with a water outlet hole, and the position of the water outlet hole corresponds to the position of the cutter body.
[0021] By adopting the above technical scheme, the water flow entering the inside of the partition plate is discharged from the water outlet hole, thereby cooling the cutter body.
[0022] The utility model has the following beneficial effects:
[0023] Compared with the prior art, the single-blade hob cutter has the advantages that the water pipe is connected with the water inlet pipe in use, water flows into the first cavity in the shell from the water inlet pipe, then enters the second cavity of the partition plate through the connecting pipe, and finally flows out from the water outlet hole to the surface of the cutter body, the water flow acts on the cutter ring through the guide groove on the surface of the cutter body, the cutter ring can be cooled and cooled, and the cutter ring can also assist in breaking rocks, so that the cutter can be quickly cut and excavated.
[0024] Compared with the prior art, the single-blade hob cutter has the advantages that the water pipe is connected with the water inlet pipe in use, water flows into the first cavity in the shell from the water inlet pipe, then enters the second cavity of the partition plate through the connecting pipe, and finally flows out from the water outlet hole to the surface of the cutter body, the water flow acts on the cutter ring through the guide groove on the surface of the cutter body, the cutter ring can be cooled and cooled, and the cutter ring can also assist in breaking rocks, so that the cutter can be quickly cut and excavated. BRIEF DESCRIPTION OF DRAWINGS
[0025] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.
[0026] Figure 1 The overall structure of a single-blade hob cutter is shown in the figure.
[0027] Figure 2 The internal structure of a single-blade hob cutter is shown in the figure.
[0028] Figure 3 The internal structure of a single-blade hob cutter is shown in the figure. Figure 2 The structure of the single-blade hob cutter is shown in the figure.
[0029] Figure 4 The single-blade hob cutter is shown in the figure.
[0030] Legend:
[0031] 1, outer frame; 101, shell; 102, water inlet pipe; 103, connecting pipe; 104, mounting hole; 2, limiting mechanism; 201, partition plate; 202, bearing; 203, connecting hole; 204, water outlet hole; 3, cutter body; 301, mounting shaft; 302, cutter body; 303, cutter ring; 304, guide groove. DETAILED DESCRIPTION
[0032] In order to make the purpose, technical scheme and advantages of the present application clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not intended to limit the present application.
[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing the embodiments of the present application only and is not intended to limit the present application.
[0034] With reference to Figures 1 to 4 The utility model provides a single blade hob cutter: including outer frame 1, the inside installation limiting mechanism 2 of outer frame 1, the inside installation cutter main part 3 of limiting mechanism 2, cutter main part 3 includes installation shaft 301, the outer surface fixedly connected with cutter body 302 of installation shaft 301, cutter body 302 rotates along with installation shaft 301, the outer periphery of cutter body 302 is provided with cutter ring 303, and annular clamping groove is formed between cutter body 302 and cutter ring 303, the upper and lower surfaces of cutter ring 303 are all provided with guide groove 304, guide groove 304 is inclinedly arranged, and the number of guide groove 304 is multiple, and the junction of upper and lower two guide grooves 304 forms cutting groove, cutting groove can assist cutter ring 303 to cut and excavate rock etc., multiple guide grooves 304 on cutter main part 3 not only can guide water flow, not only cool and temperature -lowering cutter main part 3, improve the excavation efficiency, can also form cutting groove, and it is convenient for cutter main part 3 to cut and excavate rock etc.
[0035] The outer frame 1 comprises an outer shell 101, the inside of the outer shell 101 is provided with a first cavity, the surface of the outer shell 101 is provided with a mounting hole 104, the mounting shaft 301 is located in the inside of the mounting hole 104, can cooperate with the limiting mechanism 2 to fix and limit the cutter body 3, at the same time, the cutter body 3 is convenient to install on the excavating equipment, the side wall of the outer shell 101 is fixedly connected with a water inlet pipe 102, one end of the water inlet pipe 102 extends to the inside of the first cavity, the water flow is introduced into the water inlet pipe 102, the water flow can cool and cool the cutter body 3, the inner surface of the outer shell 101 is fixedly connected with a connecting pipe 103, one end of the connecting pipe 103 extends to the inside of the first cavity, the water flow entering the inside of the outer shell 101 will enter the inside of the limiting mechanism 2 through the connecting pipe 103, the limiting mechanism 2 comprises a partition plate 201, the inside of the partition plate 201 is provided with a second cavity, the outer surface of the partition plate 201 is fixedly connected with the inner surface of the outer shell 101, and the partition plate 201 is located in the annular clamping groove, the partition plate 201 and the outer shell 101 are fixedly connected together by welding, at the same time, under the action of the annular clamping groove, the cutter ring 303 can hide the gap between the partition plate 201 and the cutter body 302, the outer surface of the partition plate 201 is provided with a connecting hole 203, one end of the connecting pipe 103 away from the outer shell 101 extends to the inside of the second cavity through the connecting hole 203, the water flow entering the inside of the outer shell 101 can enter the inside of the partition plate 201, the surface of the partition plate 201 is provided with a water outlet hole 204, the position of the water outlet hole 204 corresponds to the position of the cutter body 302, the water flow entering the inside of the partition plate 201 will be discharged from the water outlet hole 204, and the cutter body 3 is cooled and cooled.
[0036] The inside of the partition plate 201 is fixedly connected with a bearing 202, the bearing 202 is installed on the outer surface of the mounting shaft 301, and the mounting shaft 301 is convenient to rotate.
[0037] Working principle: when in use, the water pipe is connected with the water inlet pipe 102, the water flow flows into the first cavity in the inside of the outer shell 101 from the water inlet pipe 102, then enters the second cavity in the partition plate 201 through the connecting pipe 103, and finally the water flow is discharged from the water outlet hole 204 and flows to the surface of the cutter body 302, the water flow on the surface of the cutter body 302 acts on the cutter ring 303 through the guide groove 304, can cool and cool the cutter ring 303, at the same time, can also assist the cutter ring 303 to break the rock, and the cutter is convenient to cut and excavate quickly.
[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A single-tooth hob cutter comprising an outer frame (1), characterised in that: The outer frame (1) is internally provided with a limiting mechanism (2), the limiting mechanism (2) is internally provided with a cutter body (3), the cutter body (3) comprises a mounting shaft (301), the outer surface of the mounting shaft (301) is fixedly connected with a cutter body (302), the outer periphery of the cutter body (302) is provided with a cutter ring (303), the cutter ring (303) is formed between the cutter body (302) and the cutter ring (303), the upper and lower surfaces of the cutter ring (303) are provided with guide grooves (304), the guide grooves (304) are inclined, and the number of the guide grooves (304) is multiple, and the connecting portions of the guide grooves (304) on the upper and lower surfaces form cutting grooves.
2. A single index helical gear cutter according to claim 1 wherein: The outer frame (1) comprises an outer shell (101), the inner portion of the outer shell (101) is provided with a first cavity, the surface of the outer shell (101) is provided with a mounting hole (104), and the mounting shaft (301) is located in the mounting hole (104).
3. A single-lip hob cutter according to claim 2, wherein: The side wall of the outer shell (101) is fixedly connected with a water inlet pipe (102), one end of the water inlet pipe (102) extends to the inside of the first cavity.
4. A single-lip hob according to claim 3, wherein: The inner surface of the outer shell (101) is fixedly connected with a connecting pipe (103), one end of the connecting pipe (103) extends to the inside of the first cavity.
5. A single-lip hobbing cutter according to claim 4 wherein: The limiting mechanism (2) comprises a partition plate (201), the inner portion of the partition plate (201) is provided with a second cavity, the outer surface of the partition plate (201) is fixedly connected with the inner surface of the outer shell (101), and the partition plate (201) is located in the annular clamping groove.
6. A single index helical gear cutter according to claim 5 wherein: The inner portion of the partition plate (201) is fixedly connected with a bearing (202), and the bearing (202) is mounted on the outer surface of the mounting shaft (301).
7. A single-lip hobbing cutter according to claim 6 wherein: The outer surface of the partition plate (201) is provided with a connecting hole (203), one end of the connecting pipe (103) away from the outer shell (101) extends to the inside of the second cavity through the connecting hole (203).
8. A single-lip hob cutter according to claim 7, wherein: The surface of the partition plate (201) is provided with a water outlet hole (204), and the position of the water outlet hole (204) corresponds to the position of the cutter body (302).