Firm milling cutter disc with milling cutters convenient to replace

Abstract

The utility model discloses a firm facing cutter convenient to replace milling cutters in the technical field of facing cutters, which comprises a taper shank, a mounting seat is mounted at the lower end of a taper shank body, six fixing seats are uniformly mounted on the outer wall of the mounting seat, arc-shaped holes are formed in the upper ends of the six fixing seats, and the arc-shaped holes are communicated with the mounting seat. Cutter bodies are placed on one sides of the six fixing bases correspondingly, a rotary fixing structure is installed at the upper ends of the six fixing bases, and the rotary fixing structure comprises six guide blocks, a mounting ring, a guide ring, six positioning assemblies and two rotary limiting assemblies. According to the rotary fixing structure, the safety ring is matched with the multiple guide blocks, synchronous adjustment of the multiple positioning assemblies can be achieved, the safety ring is matched with the fixing base and the arc-shaped hole, synchronous fixing and dismounting of the multiple tools can be achieved, and the tool replacement efficiency is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of milling cutter head, concretely to a firm type milling cutter head convenient to replace milling cutter. BACKGROUND

[0002] The milling cutter head is a tool commonly used in metal cutting processing, is usually used in milling operation, its main function is through the contact of rotating cutter and workpiece, carries out cutting processing, and is widely used in mechanical processing, die manufacturing, automobile parts processing and the like industry;

[0003] The present milling cutter fixing mode of the milling cutter head needs to fix each milling cutter through independent bolt, when needing to replace the milling cutter, needs to dismount and install multiple milling cutters one by one, the operation is more complicated, the bolt fixing mode can cause the slight deviation of the milling cutter in the fixing process, influences cutting accuracy, especially in precision machining, can cause the increase of machining error, for this, need to design new technical scheme to solve. UTILITY MODEL CONTENTS

[0004] The utility model discloses a firm type milling cutter head convenient to replace milling cutter to solve the problem that the firm type milling cutter head convenient to replace milling cutter of prior art in the prior art is used, the present milling cutter fixing mode of the milling cutter head needs to fix each milling cutter through independent bolt, when needing to replace the milling cutter, needs to dismount and install multiple milling cutters one by one, the operation is more complicated, the bolt fixing mode can cause the slight deviation of the milling cutter in the fixing process, influences cutting accuracy, especially in precision machining, can cause the increase of machining error.

[0005] To achieve the above object, the utility model provides the following technical scheme: a firm type milling cutter head convenient to replace milling cutter, including taper shank, the taper shank body lower extreme is installed with mounting seat, the mounting seat outer wall evenly is installed with six fixed seat, six The arc-shaped hole is set up on the upper end of six fixed seat, six The cutter body is placed on the side of six fixed seat, six The rotating fixed structure is installed on the upper end of six fixed seat, the rotating fixed structure includes six guide block, installation ring, guide ring, six positioning assembly and two rotating limiting components;

[0006] Six The guide block is fixedly installed on the upper end of six fixed seat, the installation ring is movably embedded in six The guide block, the guide ring is fixedly installed on the mounting seat upper wall surface, six The positioning assembly is evenly installed on the outside of the installation ring, and is movably sleeved on the upper end of the guide ring, two The rotating limiting components are installed on the inner wall of the installation ring both sides, and the other end is fixedly installed on the upper end both sides of the mounting seat.

[0007] The utility model provides a firm type milling cutter disc convenient to replace milling cutter, six positioning assemblies include connecting block, guide rod, mounting rod, locating disc and locating rod,

[0008] Connecting block is fixedly installed on the upper end of mounting ring, guide rod is fixedly installed on the connecting block and the lower end of mounting ring, and one end is movably sleeved on the upper end of guide ring, mounting rod is fixedly installed on one side of guide rod, locating disc is fixedly installed on the lower end of mounting rod, and locating rod is fixedly installed on one side of locating disc.

[0009] The utility model provides a firm type milling cutter disc convenient to replace milling cutter, two rotation limiting assemblies include two limiting rods, two limiting plates and two connecting bolts,

[0010] Two limiting rods are installed on the inner wall of the two sides of mounting ring respectively, two limiting plates are fixedly installed on the upper end of mounting seat on the two sides respectively, and two connecting bolts are movably embedded in two limiting rods.

[0011] The utility model provides a firm type milling cutter disc convenient to replace milling cutter, and the inner thread is formed in the upper end of limiting plate.

[0012] The utility model provides a firm type milling cutter disc convenient to replace milling cutter, and the shape of locating rod is arc.

[0013] The utility model provides a firm type milling cutter disc convenient to replace milling cutter, and the arc locating hole is formed in the upper end of tool body.

[0014] The utility model provides a firm type milling cutter disc convenient to replace milling cutter, and one end of fixed seat is conical.

[0015] Compared with the prior art, the utility model has the advantages that the firm type milling cutter disc convenient to replace milling cutter is provided, and the structure design is reasonable,

[0016] 1, the rotation fixing structure used in the case, through the cooperation of the safety ring and the plurality of guide blocks, the synchronous adjustment of the plurality of positioning assemblies can be realized, and the cooperation of the fixed seat and the arc hole can realize the synchronous fixing and dismounting of the plurality of tools, guaranteeing the replacement efficiency of the tools,

[0017] 2, and the positioning assembly and the rotation limiting assembly are used, when fixing the tool, the stress uniformity between the plurality of tools and the fixed seat can be guaranteed, and the cooperation of the locating rod and the arc locating hole in the upper end of tool body can fully guarantee the fixing accuracy of tool body, avoiding the deviation of tool body when using. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the front view three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is the bottom view three-dimensional structure schematic view of the utility model;

[0020] Figure 3 It is the top view structure schematic view of the utility model;

[0021] Figure 4 It is the structure schematic view of the A of the utility model.

[0022] In the drawing: 1, taper handle, 2, mounting seat, 3, fixed seat, 4, arc hole, 5, cutter body, 6, guide block, 7, mounting ring, 8, guide ring, 9, connecting block, 10, guide rod, 11, mounting rod, 12, positioning disc, 13, positioning rod, 14, limiting rod, 15, limiting plate, 16, connecting bolt, 17, arc positioning hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0025] In the technical scheme, a firm type milling cutter head convenient to replace milling cutter includes taper handle 1, taper handle 1 body lower end is installed with mounting seat 2, mounting seat 2 outer wall place is evenly installed with six fixed seats 3, six fixed seats 3 upper end are all provided with arc hole 4, six fixed seats 3 one side are placed with cutter body 5, six fixed seats 3 upper end are installed with rotation fixed structure, and the rotation fixed structure includes six guide blocks 6, mounting ring 7, guide ring 8, six positioning assemblies and two rotation limiting assemblies.

[0026] Six guide blocks 6 are fixedly installed on the upper end of six fixed seats 3, mounting ring 7 is movably embedded in six guide blocks 6, guide ring 8 is fixedly installed on the upper wall of mounting seat 2, six positioning assemblies are evenly installed on the outer side of mounting ring 7, and are movably sleeved on the upper end of guide ring 8, two rotation limiting assemblies are respectively installed on the inner wall of mounting ring 7 on both sides, and the other end is fixedly installed on the upper end of mounting seat 2 on both sides.

[0027] In the technical scheme, when the tool body 5 is fixed, the workers first take out six tools to be replaced and place them on the upper ends of the six positioning assemblies, then rotate the six positioning assemblies on the upper end of the guide ring 8 by rotating the mounting ring 7 in the six guide blocks 6 until one end of the six positioning assemblies is embedded in the arc-shaped holes 4 in the six fixing seats 3 to preliminarily fix the tool body 5, then rotate the mounting ring 7 by the two rotating limiting assemblies and increase the clamping force between the positioning assemblies and the fixing seats 3 to ensure the fixing strength of the tool body 5.

[0028] In some technical schemes, referring to Figure 1 , the six positioning assemblies each include a connecting block 9, a guide rod 10, a mounting rod 11, a positioning disc 12 and a positioning rod 13.

[0029] The connecting block 9 is fixedly installed on the upper end of the mounting ring 7, the guide rod 10 is fixedly installed on the lower end of the connecting block 9 and the mounting ring 7 and movably sleeved on the upper end of the guide ring 8, the mounting rod 11 is fixedly installed on one side of the guide rod 10, the positioning disc 12 is fixedly installed on the lower end of the mounting rod 11, and the positioning rod 13 is fixedly installed on one side of the positioning disc 12.

[0030] In the technical scheme, when the tool body 5 is fixed, the workers take out a specified number of tool bodies 5 and movably sleeve them on the upper end of the positioning rod 13, in the rotating process of the mounting ring 7, the connecting block 9 and the guide rod 10 rotate with the mounting ring 7 and make the guide rod 10 rotate on the upper end of the guide ring 8, the guide ring 8 guides and supports one end of the guide rod 10 to ensure the support strength of the guide rod 10, under the connection of the mounting rod 11, the positioning rod 13 on one side of the positioning disc 12 is embedded in the arc-shaped hole 4 on the upper end of the fixing seat 3 until the positioning disc 12 cooperates with the fixing seat 3 to clamp the tool body 5.

[0031] In some technical schemes, referring to Figure 1 , the two rotating limiting assemblies include two limiting rods 14, two limiting plates 15 and two connecting bolts 16.

[0032] The two limiting rods 14 are respectively installed on the inner walls on both sides of the mounting ring 7, the two limiting plates 15 are respectively fixedly installed on the upper ends of the two sides of the mounting seat 2, and the two connecting bolts 16 are movably embedded in the two limiting rods 14.

[0033] In this technical solution, when the tool body 5 is preliminarily fixed, the two connecting bolts 16 are respectively inserted into the threaded holes in the two limiting plates 15 through the two limiting rods 14, the spacing between the limiting rods 14 and the limiting plates 15 is shortened by screwing the connecting bolts 16, and the mounting ring 7 is rotated by a certain distance again to increase the contact force between the limiting plates and the fixing seat 3, so that the tool body 5 is further fixed.

[0034] In some technical solutions, referring to Figure 1 , the upper end of the limiting plate 15 is provided with an internal thread, the shape of the positioning rod 13 is arc-shaped, the upper end of the tool body 5 is provided with an arc-shaped positioning hole 17, and one end of the fixing seat 3 is conical.

[0035] Working principle: when the tool body 5 is fixed, the worker first takes out six tools to be replaced and respectively moves them to be sleeved on the upper ends of the plurality of positioning rods 13, then rotates the mounting ring 7 in the six guide blocks 6, rotates the connecting block 9 and the guide rod 10 to follow the mounting ring 7, and makes the guide rod 10 rotate on the upper end of the guide ring 8, which guides and supports one end of the guide rod 10 through the guide ring 8 to ensure the support strength of the guide rod 10, and under the connection of the mounting rod 11, the positioning rod 13 on one side of the positioning disc 12 is embedded in the arc-shaped hole 4 at the upper end of the fixing seat 3 until the positioning disc 12 cooperates with the fixing seat 3 to clamp the tool body 5, when the tool body 5 is preliminarily fixed, the two connecting bolts 16 are respectively inserted into the threaded holes in the two limiting plates 15 through the two limiting rods 14, the spacing between the limiting rods 14 and the limiting plates 15 is shortened by screwing the connecting bolts 16, and the mounting ring 7 is rotated by a certain distance again to increase the contact force between the limiting plates and the fixing seat 3, so that the tool body 5 is further fixed, and the fixing strength of the tool body 5 is ensured.

[0036] It should be noted that in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0037] Although the utility model has been described above with reference to the embodiments, various modifications can be made to it and equivalent components can be substituted for the components thereof without departing from the scope of the utility model. In particular, the features of the embodiments disclosed by the utility model can be combined with each other in any manner as long as there is no structural conflict, and the combinations of the features are not exhaustively described in the specification only for the purpose of omitting the length and saving the resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A firm type cutter head for facilitating the replacement of a milling cutter comprising a taper shank (1), characterized in that, The taper handle (1) body lower end is provided with a mounting seat (2), the mounting seat (2) outer wall is uniformly provided with six fixing seats (3), the six fixing seats (3) upper end are uniformly provided with arc-shaped holes (4), the six fixing seats (3) one side are placed with tool bodies (5), the six fixing seats (3) upper end are provided with rotating fixing structures, the rotating fixing structures include six guide blocks (6), mounting rings (7), guide rings (8), six positioning assemblies and two rotating limiting assemblies; Six guide blocks (6) are fixedly installed on the upper end of the six fixing seats (3), the mounting ring (7) is movably embedded in the six guide blocks (6), the guide ring (8) is fixedly installed on the upper wall of the mounting seat (2), six positioning assemblies are uniformly installed on the outer side of the mounting ring (7), and are movably sleeved on the upper end of the guide ring (8), two rotating limiting assemblies are installed on the inner walls of the mounting ring (7) on both sides, and the other end is fixedly installed on the upper end of the mounting seat (2) on both sides.

2. A secure type cutter head for facilitating replacement of a cutter as defined in claim 1, wherein Six positioning assemblies include connecting blocks (9), guide rods (10), mounting rods (11), positioning discs (12) and positioning rods (13); The connecting block (9) is fixedly installed on the upper end of the mounting ring (7), the guide rod (10) is fixedly installed on the connecting block (9) and the lower end of the mounting ring (7), and one end is movably sleeved on the upper end of the guide ring (8), the mounting rod (11) is fixedly installed on one side of the guide rod (10), the positioning disc (12) is fixedly installed on the lower end of the mounting rod (11), and the positioning rod (13) is fixedly installed on one side of the positioning disc (12).

3. The secure type cutter head for facilitating the replacement of a cutter according to claim 1, wherein Two rotating limiting assemblies include two limiting rods (14), two limiting plates (15) and two connecting bolts (16); Two limiting rods (14) are installed on the inner walls of the mounting ring (7) on both sides, two limiting plates (15) are fixedly installed on the upper end of the mounting seat (2) on both sides, and two connecting bolts (16) are movably embedded in the two limiting rods (14).

4. The secure type cutter head for facilitating the replacement of a cutter according to claim 3, wherein The upper end of the limiting plate (15) is provided with an internal thread.

5. The secure type cutter head for facilitating the replacement of a cutter according to claim 2, wherein The shape of the positioning rod (13) is arc-shaped.

6. The secure type cutter head for facilitating the replacement of a cutter according to claim 1, wherein The upper end of the tool body (5) is provided with an arc-shaped positioning hole (17).

7. The secure type cutter head for facilitating the replacement of a cutter according to claim 1, wherein One end of the fixing seat (3) is conical.

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