Multipurpose quick-change milling cutter

Abstract

The utility model belongs to the technical field of milling cutters, and particularly discloses a multipurpose quick-change milling cutter which comprises a cutter body and a cutter head, a cutter handle is arranged at the right end of the cutter body, and a connecting block is arranged at the left end of the cutter body; a positioning groove is formed in the upper end face of the connecting block, a mounting hole is formed in the center of the upper end face of the connecting block, and a bolt hole is formed in the front end face of the upper end of the connecting block; the tool bit comprises a connecting shaft and a tool bar, and a positioning block is arranged on the connecting surface of the tool bar and the connecting shaft; a positioning hole is formed in the side wall of the connecting shaft; the connecting shaft of the tool bit is inserted into the mounting hole of the connecting block, and the positioning block of the tool bit is inserted into the positioning groove of the connecting block; a fixing bolt A is arranged in the bolt hole of the connecting block and the positioning hole of the tool bit; according to the quick-change milling cutter, the universal cutter body mechanism is used, the cutter body and the milling cutter head are connected through the plug pin, the specification of the milling cutter can be changed only by replacing the cutter head, the universality of the cutter body is improved, the machining requirement is met, and meanwhile the machining cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of milling cutter tools, and in particular relates to a multi-purpose quick-change milling cutter. Background Art

[0002] With the popularization of CNC machine tools, CNC machining centers have been vigorously promoted; CNC milling cutter is a commonly used tool. In the tool magazine of the machining center, the tool magazine needs to store tools of various specifications, and the number of tools generally ranges from a few to dozens; nowadays, the specifications of the tools are fixed, and several tools are needed for several processing methods; for example, in the plane milling cutter, the milling diameter can be of various specifications, such as 100mm, 150mm, 200mm, etc.; in the processing process, due to the limited number of tools in the tool magazine, the tool magazine must not only install milling cutters, but also install various When different workpieces need to be processed, the tools in the tool magazine need to be replaced to meet the needs, and at this time, the operator needs to replace the tools in the tool magazine; in the existing technology, the general method is to remove the cutter head and the cutter body, and then remove the cutter head and replace it with a new cutter head; this requires the purchase of various cutter heads; the existing cutter head is an integral structure, and the cutter head includes a cutter seat in the middle and a milling cutter rod for installing a milling blade; the manufacturing process of the cutter head is relatively complicated and the price is relatively high; if the purchase quantity is large, the processing cost will increase; if the purchase quantity is small, it cannot meet the processing needs. Utility Model Content

[0003] In view of the problems existing in the background technology, the utility model provides a multi-purpose quick-change milling cutter. The milling cutter head of the quick-change milling cutter is connected by a pin, the milling cutter head can be quickly replaced, the manufacturing cost is low, and the needs of different processing can be met.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a multi-purpose quick-change milling cutter, comprising a cutter body and a cutter head, wherein the right end of the cutter body is provided with a cutter handle, and the left end of the cutter body is provided with a rectangular connecting block; a positioning groove is provided on the upper end surface of the connecting block, a circular mounting hole is provided at the center of the upper end surface of the connecting block, and a bolt hole is provided on the front end surface of the upper end of the connecting block; the cutter head comprises a connecting shaft and a cutter rod, a milling blade is installed at one end of the cutter rod, and the other end of the cutter rod is fixedly connected to the connecting shaft, and positioning blocks are provided on the adjacent end surfaces of the cutter rod and the connecting shaft, and the positioning blocks are adapted to the positioning groove; a positioning hole is provided on the side wall of the connecting shaft; the connecting shaft of the cutter head is inserted in the mounting hole of the connecting block, and the positioning block of the cutter head is inserted in the positioning groove of the connecting block; fixing bolts A are provided in the bolt hole of the connecting block and the positioning hole of the cutter head.

[0005] The structure of the lower end of the connection block is the same as that of the upper end of the connection block and is mirror-symmetrical.

[0006] The knife body is perpendicular to the axis of the knife head.

[0007] The tool handle at the right end of the tool body is a universal taper tool handle.

[0008] Beneficial effects of the utility model: the utility model provides a multi-purpose quick-change milling cutter, which uses a universal cutter body mechanism. The cutter body and the milling cutter head are connected by a pin. The milling cutter specifications can be changed by simply replacing the cutter head, which increases the versatility of the cutter body, meets processing needs, and reduces processing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the utility model.

[0010] Figure 2 A schematic diagram of the knife body.

[0011] Figure 3 This is a partial cross-sectional view of the knife body.

[0012] Figure 4 This is the front view of the cutter head.

[0013] Figure 5 This is a schematic diagram of the tool after replacing the cutter head of different specifications.

[0014] In the figure: 1, cutter body, 11, mounting hole, 12, positioning groove, 13, bolt hole, 14, connecting block, 2, cutter head, 21, connecting shaft, 22, positioning block, 23, positioning hole, 24, cutter rod. DETAILED DESCRIPTION

[0015] The technical solution of the utility model will be clearly and completely described below in conjunction with the drawings in the specification. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0016] The following is combined with Figure 1-5The specific implementation mode of the utility model is further elaborated in detail: a multi-purpose quick-change milling cutter comprises a cutter body 1 and a cutter head 2, wherein the right end of the cutter body 1 is provided with a cutter handle, and the cutter handle is a universal taper cutter handle; the left end of the cutter body 1 is provided with a rectangular connecting block 14; a positioning groove 12 is provided on the upper end surface of the connecting block 14, a circular mounting hole 11 is provided at the center of the upper end surface of the connecting block 14, and a bolt hole 13 is provided on the front end surface of the upper end of the connecting block 14; the lower end of the connecting block 14 has the same structure as the upper end of the connecting block 14 and is mirror-symmetrical; the cutter head 2 comprises a connecting shaft 21 and a cutter bar 24, a milling blade is installed at one end of the cutter bar 24, and the other end of the cutter bar 24 is fixedly connected to the connecting shaft 21, and the cutter bar 24 is connected to the connecting shaft 2 1 is provided with a positioning block 22, and the positioning block 22 is adapted to the positioning groove 12; the diameter of the connecting shaft 21 is not greater than the diameter of the mounting hole 11, and the length of the connecting shaft 21 is less than the depth of the mounting hole 11; a positioning hole 23 is provided on the side wall of the connecting shaft 21, and the positioning hole 23 is a through hole, and the positioning hole 23 is adapted to the bolt hole 13; the connecting shaft 21 of the cutter head 2 is inserted in the mounting hole 11 of the connecting block 14, and the positioning block 22 of the cutter head 2 is inserted in the positioning groove 12 of the connecting block 14; fixing bolts A are provided in the bolt hole 13 of the connecting block 14 and the positioning hole 23 of the cutter head 2; in the utility model, the upper and lower ends of the connecting block 14 are used to install a milling cutter and a boring cutter, and are mainly used for milling processing.

[0017] The use process of the utility model is as follows: first, the connecting shaft 21 of the cutter head 2 is inserted into the mounting hole 11 of the connecting block 14, wherein the positioning block 22 of the cutter head 2 is inserted into the positioning groove 12 of the connecting block 14 for positioning, and then the fixing bolt A is inserted from the bolt hole 13 of the connecting block 14. After the fixing bolt A passes through the positioning hole 23 of the cutter head 2, it is fixed at the other end of the bolt hole 13 to prevent the cutter head 2 from detaching; then the installed milling cutter is installed in the tool magazine of the machining center for milling processing; when the milling cutter head 2 needs to be replaced, the milling cutter is taken out, the fixing bolt A is taken out using a tool, and then the cutter head 2 is taken out, and then the cutter head 2 to be replaced is installed according to the above method, and milling cutters of different specifications can be obtained.

[0018] 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.

[0019] The parts not described in detail in this utility model are prior art.

Claims

1. A multi-purpose quick-change milling cutter, comprising a cutter body (1) and a cutter head (2), characterized in that: The right end of the knife body (1) is provided with a knife handle, and the left end of the knife body (1) is provided with a rectangular connecting block (14); a positioning groove (12) is provided on the upper end surface of the connecting block (14), a circular mounting hole (11) is provided at the center of the upper end surface of the connecting block (14), and a bolt hole (13) is provided on the front end surface of the upper end of the connecting block (14); the knife head (2) includes a connecting shaft (21) and a knife rod (24), one end of the knife rod (24) is provided with a milling blade, and the other end of the knife rod (24) is fixedly connected to the connecting shaft (21). A positioning block (22) is provided on the end surface adjacent to the connecting shaft (24) and the connecting shaft (21), and the positioning block (22) is matched with the positioning groove (12); a positioning hole (23) is provided on the side wall of the connecting shaft (21); the connecting shaft (21) of the cutter head (2) is inserted into the mounting hole (11) of the connecting block (14), and the positioning block (22) of the cutter head (2) is inserted into the positioning groove (12) of the connecting block (14); and fixing bolts A are provided in the bolt hole (13) of the connecting block (14) and the positioning hole (23) of the cutter head (2).

2. The multi-purpose quick-change milling cutter according to claim 1, characterized in that: The structure of the lower end of the connection block (14) is identical to that of the upper end of the connection block (14) and is mirror-symmetrical.

3. The multi-purpose quick-change milling cutter according to claim 1, characterized in that: The axes of the cutter body (1) and the cutter head (2) are perpendicular to each other.

4. The multi-purpose quick-change milling cutter according to claim 1, characterized in that: The tool handle at the right end of the tool body (1) is a tapered tool handle.

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