PCD oil seal cutter
By designing a PCD oil seal cutter with circumferentially evenly distributed cutter teeth and a chip groove structure, the accuracy issues and poor chip removal and heat dissipation caused by tool replacement during machining of the shock absorber aluminum cylinder were resolved, achieving efficient machining and cooling effects.
Patent Information
- Application Number
- CN202422826946.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-20
AI Technical Summary
In the prior art, machining of the shock absorber aluminum cylinder requires the replacement of different tools, resulting in an inability to guarantee machining dimensional accuracy, and problems such as poor chip removal and poor heat dissipation due to heat accumulation.
A PCD oil-sealed cutter is designed with six teeth evenly distributed along the circumference and chip grooves between adjacent teeth. Each blade is fixed on a different tooth and fixed by welding a fixing groove to ensure heat dissipation and chip discharge of different blades.
The process improves machining accuracy, reduces chip removal blockage, enhances cooling effect, and improves machining efficiency in one-time machining.
Smart Images

Figure CN223441126U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the tool technical field, especially point to a PCD oil seal sword. BACKGROUND
[0002] The shock absorber aluminum cylinder is one of the most important parts in the shock absorbing parts commonly used in motorcycles, electric vehicles and the like, and is formed by pressure casting to obtain the required part, and then is machined. The shock absorber aluminum cylinder needs to be machined, including end face, dust port chamfer, dust hole, oil seal hole and arc hole. In the prior art, different tools need to be replaced for the above machining, so that the machining size precision cannot be guaranteed, and the precision of the product is reduced.
[0003] At present, in the oil seal hole boring cutter disclosed in the application publication No. CN104439332A, the blade for machining the oil seal hole and the composite sleeve hole is combined to form a composite chip removing blade fixed on the cutter body. The oil seal hole and the composite sleeve hole are relatively close, and the composite chip removing blade is used to simultaneously process the two places, which is prone to cause poor chip removal and superimposed heat generated during processing of the two blades, and the heat cannot be dissipated. How to make the machining of the shock absorber aluminum cylinder be completed at one time, and accelerate the chip removal and cooling. SUMMARY
[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a PCD oil seal sword with good cooling and chip removal effects.
[0005] The purpose of the utility model can be realized by the following technical scheme: a PCD oil seal sword, comprising a cutter body, six cutter teeth are uniformly distributed in the circumferential direction on the cutter body, cutter blade supports one, cutter blade supports two, cutter blade supports three and cutter blade supports four are respectively fixed in front of the six cutter teeth, the cutter blade supports one and the cutter blade supports two are both two, a connecting arc blade is fixed on the cutter blade supports one, a dust hole blade is fixed on the cutter blade supports two, a dust port chamfer blade and an oil seal hole blade are fixed on the cutter blade supports three, an end face blade and an oil seal hole blade are fixed on the cutter blade supports four, the cutter blade supports three and the cutter blade supports four are oppositely arranged, the two cutter blade supports one are oppositely arranged, the two cutter blade supports two are oppositely arranged, and a chip removal groove is arranged between adjacent cutter teeth.
[0006] Further, the distance between the connecting arc blade, the oil seal hole blade, the dust hole blade, the dust port chamfer blade and the end face blade and the front end face of the cutter body increases in turn.
[0007] Further, the cutter teeth are provided with fixing grooves, and the cutter blade supports one, the cutter blade supports two, the cutter blade supports three and the cutter blade supports four are respectively embedded in the fixing grooves and welded and fixed.
[0008] Further, the blade support one end has mounting slot one, the connecting arc blade is embedded in mounting slot one and is welded and fixed.
[0009] Further, the blade support two rear has mounting slot two, the dust hole blade is embedded in mounting slot two and is welded and fixed.
[0010] Further, the blade support three includes welded and fixed front support one and rear support one, the front support one middle part has mounting slot three, the oil seal hole blade is embedded in mounting slot three and is welded and fixed, the rear support one one end close to front support one has mounting slot four, the dust hole chamfer blade is embedded in mounting slot four and is welded and fixed.
[0011] Further, the blade support four includes welded and fixed front support two and rear support two, the front support two middle part has mounting slot five, the oil seal hole blade is embedded in mounting slot five and is welded and fixed, the rear support two one end close to front support two has mounting slot six, the end surface blade is embedded in mounting slot six and is welded and fixed.
[0012] Further, the blade body one end away from the blade tooth has mounting seat, and the outer periphery of the mounting seat has external threads.
[0013] Compared with the prior art, the technical effects of the utility model are that: the utility model is provided with six blade teeth and the chip removal groove between the adjacent two blade teeth, the different blades close to each other are arranged on the different blade teeth, the chips generated by the different blades are removed through the corresponding chip removal grooves, the chip removal is blocked, and the chip removal effect is better; one blade support has one blade, and the heat generated during the machining of the blade can be better dissipated. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the utility model three-dimensional Figure 1 .
[0015] Figure 2 It is the utility model three-dimensional Figure 2 .
[0016] Figure 3 It is the utility model front view.
[0017] Figure number mark: 1, cutter tooth; 101, fixed groove; 2, blade support one; 201, installation groove one; 3, blade support two; 301, installation groove two; 4, blade support three; 401, front support one; 4011, installation groove three; 402, rear support one; 4021, installation groove four; 5, blade support four; 501, front support two; 5011, installation groove five; 502, rear support two; 5021, installation groove six; 6, connecting arc blade; 7, dust hole blade; 8, dust hole chamfer blade; 9, oil seal hole blade; 10, end face blade; 11, chip groove; 12, mounting seat. DETAILED DESCRIPTION
[0018] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.
[0019] According to Figures 1 to 3 As shown in the figure, a PCD oil seal cutter includes a cutter body, six cutter teeth 1 are uniformly distributed in the circumferential direction on the cutter body, a blade support one 2, a blade support two 3, a blade support three 4, and a blade support four 5 are respectively fixed to the front part of the six cutter teeth 1, the blade support one 2 and the blade support two 3 are both two, a connecting arc blade 6 is fixed to the blade support one 2, a dust hole blade 7 is fixed to the blade support two 3, a dust hole chamfer blade 8 and an oil seal hole blade 9 are fixed to the blade support three 4, an end face blade 10 and an oil seal hole blade 9 are fixed to the blade support four 5, the blade support three 4 and the blade support four 5 are oppositely arranged, the two blade supports one 2 are oppositely arranged, the two blade supports two 3 are oppositely arranged, and a chip groove 11 is provided between adjacent cutter teeth 1. The distance from the connecting arc blade 6, the oil seal hole blade 9, the dust hole blade 7, the dust hole chamfer blade 8, and the end face blade 10 to the front end face of the cutter body increases in turn. Here, the increase in turn is not an equal distance increase one by one, but the distance from the connecting arc blade 6 to the front end face of the cutter body is less than the distance from the oil seal hole blade 9 to the front end face of the cutter body, which is less than the distance from the dust hole blade 7 to the front end face of the cutter body, which is less than the distance from the dust hole chamfer blade 8 and the end face blade 10 to the front end face of the cutter body.
[0020] A fixed groove 101 is provided on the cutter tooth 1 for better fixing the blade support one 2, the blade support two 3, the blade support three 4, and the blade support four 5, and the blade support one 2, the blade support two 3, the blade support three 4, and the blade support four 5 are respectively embedded in the fixed groove 101 and welded and fixed. The fixed groove 101 has different sizes suitable for the blade support one 2, the blade support two 3, the blade support three 4, and the blade support four 5.
[0021] The front end of the blade support 2 is provided with a mounting groove 201, and the connecting circular blade 6 is embedded into the mounting groove 201 and welded and fixed. The rear part of the blade support 3 is provided with a mounting groove 301, and the dust hole blade 7 is embedded into the mounting groove 301 and welded and fixed. The blade support 4 comprises a front support 401 and a rear support 402 which are welded and fixed, the front support 401 is provided with a mounting groove 4011 in the middle part, the oil seal hole blade 9 is embedded into the mounting groove 4011 and welded and fixed, and the rear support 402 is provided with a mounting groove 4021 at one end close to the front support 401, and the dust hole chamfer blade 8 is embedded into the mounting groove 4021 and welded and fixed. The blade support 5 comprises a front support 501 and a rear support 502 which are welded and fixed, the front support 501 is provided with a mounting groove 5011 in the middle part, the oil seal hole blade 9 is embedded into the mounting groove 5011 and welded and fixed, and the rear support 502 is provided with a mounting groove 5021 at one end close to the front support 501, and the end surface blade 10 is embedded into the mounting groove 5021 and welded and fixed. The cutter body is provided with a mounting seat 12 at one end away from the cutter tooth 1, and the mounting seat 12 is provided with external threads on the outer periphery.
[0022] The end surface of the cutter body which enters the workpiece first is defined as the front end surface, the connecting circular blade 6 is fixed on the front end of the blade support 2, and the blade support 2 only needs to support the work of the connecting circular blade 6 and help the connecting circular blade 6 to dissipate heat, and the chips of the connecting circular blade 6 are discharged from the adjacent chip groove 11. The dust hole blade 7 is fixed on the rear part of the blade support 3, and the blade support 3 only needs to support the work of the dust hole blade 7 and help the dust hole blade 7 to dissipate heat, and the chips of the dust hole blade 7 are discharged from the adjacent chip groove 11. The front support 401 and the rear support 402 fix the oil seal hole blade 9 and the dust hole chamfer blade 8 respectively and help them to dissipate heat, and since the oil seal hole blade 9 and the dust hole chamfer blade 8 are apart from each other and the dust hole chamfer blade 8 is close to the end part of the workpiece, the two blades arranged on the welded blade support 4 will not affect the chip removal of each other. The front support 501 and the rear support 502 fix the oil seal hole blade 9 and the end surface blade 10 respectively and help them to dissipate heat, and since the end surface blade 10 is used for machining the end surface, the two blades arranged on the welded blade support 5 will not affect the chip removal of each other
[0023] The above-mentioned embodiments are only the preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: all equivalent changes made according to the structure, shape, principle of the utility model should be covered in the protection scope defined by the claims of the utility model.
Claims
1. A PCD oil seal cutter, comprising a cutter body, characterized in that: The knife body is formed with six teeth (1) uniformly distributed along the circumference, and the front parts of the six teeth (1) are respectively fixed with blade support one (2), blade support two (3), blade support three (4) and blade support four (5), and there are two blade supports one (2) and two blade supports two (3). The blade support one (2) is fixed with a connecting arc blade (6), the blade support two (3) is fixed with a dustproof hole blade (7), the blade support three (4) is fixed with a dustproof port chamfering blade (8) and an oil seal hole blade (9), and the blade support four (5) is fixed with an end face blade (10) and an oil seal hole blade (9). The blade support three (4) and the blade support four (5) are arranged relative to each other, the two blade supports one (2) are arranged relative to each other, and the two blade supports two (3) are arranged relative to each other, and a chip removal groove (11) is provided between adjacent teeth (1).
2. The PCD oil seal knife according to claim 1, characterized in that: The distances between the connecting arc blade (6), the oil seal hole blade (9), the dustproof hole blade (7), the dustproof port chamfering blade (8) and the end face blade (10) and the front end face of the cutter body increase in sequence.
3. The PCD oil seal knife according to claim 2, characterized in that: The blade teeth (1) are provided with a fixing groove (101), and the blade support one (2), blade support two (3), blade support three (4) and blade support four (5) are respectively embedded in the fixing groove (101) and fixed by welding.
4. The PCD oil seal knife according to claim 1, characterized in that: The front end of the blade support (2) is provided with a mounting groove (201), and the connecting arc blade (6) is embedded in the mounting groove (201) and fixed by welding.
5. The PCD oil seal knife according to claim 1, characterized in that: The rear portion of the second blade support (3) is provided with a second mounting groove (301), and the dustproof hole blade (7) is embedded in the second mounting groove (301) and fixed by welding.
6. The PCD oil seal knife according to claim 1, characterized in that: The blade support three (4) includes a front support one (401) and a rear support one (402) that are welded and fixed. The front support one (401) has a mounting groove three (4011) in the middle, and the oil seal hole blade (9) is embedded in the mounting groove three (4011) and welded and fixed. The rear support one (402) has a mounting groove four (4021) at one end close to the front support one (401), and the dust port chamfered blade (8) is embedded in the mounting groove four (4021) and welded and fixed.
7. The PCD oil seal knife according to claim 1, characterized in that: The blade support four (5) includes a front support two (501) and a rear support two (502) that are welded and fixed. The front support two (501) has a mounting groove five (5011) in the middle, and the oil seal hole blade (9) is embedded in the mounting groove five (5011) and welded and fixed. The rear support two (502) has a mounting groove six (5021) at one end close to the front support two (501), and the end face blade (10) is embedded in the mounting groove six (5021) and welded and fixed.
8. The PCD oil seal cutter according to any one of claims 1 to 7, characterized in that: The end of the cutter body away from the cutter teeth (1) is provided with a mounting seat (12), and the outer periphery of the mounting seat (12) is provided with external threads.
Citation Information
Patent Citations
Boring cutter for oil seal holes
CN104439332A