Combined tool for machining oil inlet component of brake caliper

Abstract

The utility model discloses a combined tool for machining an oil inlet component of a brake caliper. Comprising a cutter connecting rod, a two-edge drill bit, a two-edge ploughshare face cutter and a chamfering edge, one end of the cutter connecting rod is fixedly installed with an external numerical control cutter handle and then connected with a driving main shaft of a CNC machining tool, and the other end of the cutter connecting rod is sequentially provided with the two-edge ploughshare face cutter and the two-edge drill bit in the tail end direction. Chamfering edges are arranged on the periphery of the joint of the two-edge drill bit and the two-edge ploughshare face cutter. The two-edge drill bit, the two-edge ploughshare face cutter and the chamfering edge are used for machining the oil inlet component of the brake caliper in a one-tool forming mode. Various cutter types are integrated, the brake machining efficiency can be improved, the product production efficiency can be improved, the machining takt is reduced, the cutter cost can be reduced, the cutter replacement time can be shortened, the energy consumption can be reduced, and the production requirements of cost reduction and energy conservation are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to brake caliper technical field, concretely relates to a kind of combined tool for processing brake caliper oil inlet component. BACKGROUND

[0002] Brake caliper is important part in automobile brake system, and the machining efficiency and cost of brake caliper have important influence on automobile manufacturing industry. The machining process of oil inlet component in brake caliper includes drilling and tapping of oil inlet hole, oil inlet hole chamfer and oil inlet hole end face. Currently, different machining tools are needed for machining oil inlet hole, oil inlet hole chamfer and oil inlet hole end face, wherein the auxiliary machining time of tool changing is extremely waste production rhythm, which not only leads to this process to become bottleneck process, but also increases tool cost, and cannot meet the production demand of cost reduction and energy saving. SUMMARY

[0003] In order to solve the problems in the prior art, the utility model provides a combined tool for processing brake caliper oil inlet component, which is used for one-step forming machining of brake caliper oil inlet component.

[0004] The utility model adopts the technical scheme that:

[0005] The utility model discloses a tool connecting rod, two blade drill bits, two blade share face knives and chamfer blades, one end of the tool connecting rod is fixedly installed with the numerical control tool handle outside, the other end of the tool connecting rod is sequentially provided with two blade share face knives and two blade drill bits, and chamfer blades are arranged on the outer periphery of the connection place of the two blade drill bits and the two blade share face knives. The two blade drill bits, the two blade share face knives and the chamfer blades are used for machining brake caliper oil inlet component.

[0006] The other end of the tool connecting rod is V-shaped end, the two blade share face knives are fixedly welded with the end face of the V-shaped end, and the two blade drill bits are fixedly welded with the two blade share face knives and are welded with chamfer blades around the welding place.

[0007] The two blade share face knives are set as cutting plane perpendicular to the axial direction of the tool connecting rod, and the two blade drill bits are set as cylindrical drill bit with conical end face parallel to the axial direction of the tool connecting rod.

[0008] The side wall of the two blade drill bits, the two blade share face knives and the chamfer blades is provided with a chip removal groove, and the central axis of the tool connecting rod, the two blade drill bits and the two blade share face knives is provided with through hole as internal cooling water hole, and the internal cooling water hole penetrates to the end of the two blade drill bits.

[0009] The brake caliper oil inlet part includes an oil inlet hole, an oil inlet hole chamfer and an oil inlet hole end face; the two-blade drill bit is used for contacting and processing the oil inlet hole of the brake caliper oil inlet part, the chamfer blade is used for contacting and processing the oil inlet hole chamfer of the brake caliper oil inlet part, and the two-blade blade face cutter is used for contacting and processing the oil inlet hole end face of the brake caliper oil inlet part.

[0010] The two-blade drill bit, the two-blade blade face cutter and the chamfer blade are alloy integrally formed structures.

[0011] An outer surface of the combined cutter is coated with titanium aluminum nitride.

[0012] The brake caliper oil inlet part includes an oil inlet hole, an oil inlet hole chamfer and an oil inlet hole end face; the two-blade drill bit is used for contacting and processing the oil inlet hole of the brake caliper oil inlet part, the chamfer blade is used for contacting and processing the oil inlet hole chamfer of the brake caliper oil inlet part, and the two-blade blade face cutter is used for contacting and processing the oil inlet hole end face of the brake caliper oil inlet part.

[0013] 1、 The utility model solves the problem of replacing various machining cutters due to various structures of the machined parts, reduces the auxiliary machining time of tool changing, reasonably utilizes the production time and improves the machining efficiency.

[0014] 2、 The utility model realizes the machining of various hole faces of the brake caliper oil inlet part by using one combined cutter, solves the problem of the bottleneck process, reduces the cutter cost and meets the production demand of cost reduction and energy saving. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the brake caliper oil inlet part.

[0016] In the figure: 41, oil inlet hole, 42, oil inlet hole chamfer, 43, oil inlet hole end face.

[0017] Figure 2 It is a structure schematic view of the utility model.

[0018] In the figure: 1, cutter connecting rod, 21, two-blade drill bit, 22, two-blade blade face cutter, 23, chamfer blade, 31, chip removal groove, 32, internal cooling water hole.

[0019] Figure 3 It is a working schematic view of the utility model when contacting and machining the brake caliper oil inlet part Figure I .

[0020] Figure 4 It is a working schematic view of the utility model when contacting and machining the brake caliper oil inlet part Figure II . DETAILED DESCRIPTION

[0021] The utility model will be further described in detail in combination with the drawings and specific implementation:

[0022] The structure schematic view of the utility model is as follows Figure 2As shown, the utility model of include tool connecting rod 1, two blade drill bit 21, two blade share cutter 22 and chamfer blade 23, one end of tool connecting rod 1 is fixed with the numerical control tool handle of outside installation, further with the drive spindle connection of CNC processing machine tool, the other end of tool connecting rod 1 is sequentially provided with two blade share cutter 22 and two blade drill bit 21 towards the end direction, and the outer periphery of the junction of two blade drill bit 21 and two blade share cutter 22 is provided with chamfer blade 23, two blade drill bit 21, two blade share cutter 22 and chamfer blade 23 are used to brake caliper oil inlet component of one knife forming processing.

[0023] Wherein, the other end of tool connecting rod 1 is " V " shape, as V-shaped end, two blade share cutter 22 is welded fixed with the end face of V-shaped end, and two blade drill bit 21 is welded fixed with two blade share cutter 22 and is provided with chamfer blade 23 near the junction of welding and annular welding.

[0024] More specifically, two blade share cutter 22 is set as the cutting plane perpendicular to the axial direction of tool connecting rod 1, and two blade drill bit 21 is set as the cylindrical drill bit parallel to the axial direction of tool connecting rod 1 and with the conical end face. The diameter of the cutting plane is greater than the diameter of the cylindrical drill bit.

[0025] The side wall of two blade drill bit 21, two blade share cutter 22 and chamfer blade 23 is provided with a chip flute 31, and the central axis of tool connecting rod 1, two blade drill bit 21 and two blade share cutter 22 is provided with a through hole as an internal cooling water hole 32, the internal cooling water hole 32 penetrates to the end of two blade drill bit 21, and the internal cooling water hole 32 and the chip flute 31 are used for water flushing and discharging iron filings generated during processing, so as to avoid excessive accumulation of iron filings to cause vibration marks.

[0026] The structure diagram of brake caliper oil inlet component is as shown in Figure 1 As shown, the brake caliper oil inlet component includes an oil inlet hole 41, an oil inlet hole chamfer 42 and an oil inlet hole end face 43, in specific implementation, the two-blade drill bit 21 is used to contact and process the oil inlet hole 41 of the brake caliper oil inlet component, the chamfer blade 23 is used to contact and process the oil inlet hole chamfer 42 of the brake caliper oil inlet component, and the two-blade share cutter 22 is used to contact and process the oil inlet hole end face 43 of the brake caliper oil inlet component.

[0027] More specifically, the two-blade drill bit 21, the two-blade share cutter 22 and the chamfer blade 23 are all hard alloy integrally formed structures.

[0028] The outer surface of the combined tool is coated with titanium aluminum nitride.

[0029] When producing and processing, the working schematic diagram of the utility model when contacting and processing the brake caliper oil inlet component is as shown in Figure 3 and Figure 4As shown, by continuously rotating the main shaft of the CNC numerical control machine tool, the two-blade drill bit 21 as a straight drill first contacts the brake caliper, drills the oil inlet hole 41 Figure 3 ), then the chamfering blade 23 as a chamfering tool chamfers the top of the oil inlet hole 41, further processes the oil inlet hole chamfer 42 Figure 4 ), then the two-blade blade surface cutter 22 as a swaging cutter processes the blade surface, processes the oil inlet hole end surface 43 Figure 4 ), and finally the main shaft of the CNC numerical control machine tool stops rotating downward and moves upward, and the brake caliper oil inlet part processing is completed.

[0030] The above description of the embodiments is intended to illustrate the technical concept and key features of the present application, and the purpose is to help those skilled in the art to understand the content of the present application and to be able to implement it accordingly, but it is not as a limitation on the protection scope of the present application. Any equivalent substitution, change or modification based on the core spirit and technical essence of the present application should be considered as covered within the protection scope of the present application, so as to ensure the applicability and innovation of the technical scheme in various situations.

Claims

1. A combination tool for machining the oil inlet component of a brake caliper, characterized in that: The tool includes a tool connecting rod (1), a two-flute drill bit (21), a two-flute plowshare cutter (22), and a chamfering edge (23). One end of the tool connecting rod (1) is fixedly installed to an external CNC tool holder. The other end of the tool connecting rod (1) is sequentially provided with a two-flute plowshare cutter (22) and a two-flute drill bit (21). A chamfering edge (23) is provided on the outer periphery of the connection between the two-flute drill bit (21) and the two-flute plowshare cutter (22). The two-flute drill bit (21), the two-flute plowshare cutter (22), and the chamfering edge (23) are used to process the oil inlet component of the brake caliper.

2. The combined cutting tool for machining the oil inlet component of a brake caliper according to claim 1, characterized in that: The other end of the tool connecting rod (1) is a V-shaped end. The double-edged plowshare cutter (22) is welded and fixed to the end face of the V-shaped end. The double-edged drill bit (21) is welded and fixed to the double-edged plowshare cutter (22) and a chamfered edge (23) is welded around the weld.

3. The combined cutting tool for machining the oil inlet component of a brake caliper according to claim 1, characterized in that: The double-edged plowshare cutter (22) is configured to have a cutting plane perpendicular to the axial direction of the cutter connecting rod (1), and the double-edged drill bit (21) is configured to be a cylindrical drill bit parallel to the axial direction of the cutter connecting rod (1) and with a conical end.

4. The combined cutting tool for machining the oil inlet component of a brake caliper according to claim 1, characterized in that: Chip removal grooves (31) are provided on the side walls of the two-flute drill bit (21), the two-flute plowshare cutter (22) and the chamfering cutter (23). A through hole is provided on the central axis of the tool connecting rod (1), the two-flute drill bit (21) and the two-flute plowshare cutter (22) as an internal cooling flushing hole (32). The end of the internal cooling flushing hole (32) extends to the end of the two-flute drill bit (21).

5. The combined cutting tool for machining the oil inlet component of a brake caliper according to claim 1, characterized in that: The brake caliper oil inlet component includes an oil inlet hole (41), an oil inlet hole chamfer (42), and an oil inlet hole end face (43); the two-edged drill bit (21) is used to contact and machine the oil inlet hole (41) of the brake caliper oil inlet component, the chamfering edge (23) is used to contact and machine the oil inlet hole chamfer (42) of the brake caliper oil inlet component, and the two-edged plowshare cutter (22) is used to contact and machine the oil inlet hole end face (43) of the brake caliper oil inlet component.

6. The combined cutting tool for machining the oil inlet component of a brake caliper according to claim 1, characterized in that: The double-edged drill bit (21), the double-edged plowshare cutter (22), and the chamfering cutter (23) are all integrally formed alloy structures.

7. The combined cutting tool for machining the oil inlet component of a brake caliper according to claim 1, characterized in that: The outer surface of the combined cutting tool is coated with titanium aluminum nitride.

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