Knife holder assembly with stable structure

Abstract

The knife holder assembly with the stable structure comprises a knife holder body and a lengthened supporting assembly, the lengthened supporting assembly is arranged on the front side of the knife holder body, a first material supporting part is arranged on the knife holder body, and a second material supporting part is arranged on the lengthened supporting assembly. The first material supporting part and the second material supporting part can support and lift the two ends of the cutter correspondingly. The cutter holder assembly can solve the problems that a cutter holder assembly in the prior art cannot meet the machining requirement when used for machining a long cutter, and the machining precision is low or machining is unstable when the cutter is damaged, the front end of the cutter is supported by using the product structure and the lengthened supporting assembly, and the whole cutter is supported in cooperation with the cutter holder body, so that the machining efficiency is improved. And the machining stability of the long-size cutter is effectively improved, the problem that the cutter is damaged or the machining precision is low is solved, and the competitiveness of an enterprise can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of precision tool processing, and particularly relates to a tool holder assembly with a stable structure. Background Art

[0002] For the processing of micro-precision tools, a multi-axis numerical control grinding machine is usually used to grind the tools into micro-precision tools of specified specifications. The tools are clamped by a fixture, and during the grinding process, the multi-axis numerical control grinding machine and the fixture move relative to each other continuously to achieve accurate processing of the tools.

[0003] During the grinding process, in order to ensure precision machining of the tool holder during the machining process, it is necessary to consider the levelness and concentricity errors between the tool and the multi-axis numerical control grinding machine. To solve this problem, the tool is usually lifted by a tool holder to ensure the stability, concentricity and levelness of the tool during the machining process.

[0004] However, for special tools with long dimensions, the conventional tool holder assembly can no longer meet the usage requirements of processing. Since the extended part of the tool is not supported, the tool is prone to obvious shaking during the processing, resulting in fracture damage, low machining accuracy or unstable machining, leading to low processing efficiency and even increased processing costs, which is not conducive to improving the competitiveness of enterprises. Summary of the Utility Model

[0005] To solve the problems in the prior art, the utility model provides a tool holder assembly with a stable structure, which solves the problems that the existing tool holder assembly cannot meet the processing requirements for the processing of long-sized tools, and there are problems such as tool damage, low machining accuracy or unstable machining.

[0006] A tool holder assembly with a stable structure of the utility model includes a tool holder main body and an extended support assembly. The extended support assembly is arranged on the front side of the tool holder main body. A first tool supporting part is arranged on the tool holder main body, and a second tool supporting part is arranged on the extended support assembly. The first tool supporting part and the second tool supporting part can respectively support and lift the two ends of the tool.

[0007] The utility model is further improved. The extended support assembly includes a mounting plate and a support plate. The mounting plate is fixedly arranged perpendicular to the tool holder main body, the support plate is perpendicular to the mounting plate, and a linear adjustment part is arranged on the mounting plate. An adjusting part is arranged on the support plate, and the adjusting part is arranged in the linear adjustment part. The support plate can move away from or close to the tool holder main body through the cooperation of the adjusting part and the linear adjustment part.

[0008] The present utility model is further improved. The linear adjustment part is a linear adjustment hole penetrating through both side surfaces of the mounting plate, and the adjustment part is a guiding connecting rod. Connecting arms are arranged on both sides at the lower end of the support plate. One end of the guiding connecting rod is connected to the connecting arm, and the other end of the guiding connecting rod passes through the linear adjustment hole and is connected to another connecting arm.

[0009] The present utility model is further improved. A locking part is also arranged on the mounting plate, and the locking part can fix the relative position between the mounting plate and the support plate.

[0010] The present utility model is further improved. A pitching adjustment assembly is also arranged on the support plate. A pitching mounting groove for cooperating with the pitching adjustment assembly is arranged on the support plate. The pitching adjustment assembly includes a pitching seat and a locking hinge part. The pitching seat can be hinged to the support plate through the locking hinge part, and the second material supporting part is arranged on the pitching seat.

[0011] The present utility model is further improved. A material supporting mounting groove is arranged on the pitching seat, and the second material supporting part is a material supporting block arranged in the material supporting mounting groove. A profiling surface for cooperating with the tool is arranged at the upper end of the material supporting block.

[0012] The present utility model is further improved. The tool rest body includes a driving claw assembly and a supporting body. The first material supporting part is arranged at the upper end of the supporting body. The driving claw assembly includes a driving cylinder and a swinging claw. The moving direction of the moving end of the driving cylinder is inclined upward, and a hinge block is arranged at the moving end of the driving cylinder. The hinge block is hinged to one end of the swinging claw. An arc-shaped groove is arranged at the other end of the swinging claw, and a claw part is arranged at one end of the swinging claw close to the first material supporting part. A claw guiding block for cooperating with the arc-shaped groove is arranged on the supporting body. The driving cylinder can drive the swinging claw to make the claw part move away from or close to the first material supporting part.

[0013] The present utility model is further improved. A block mounting groove is arranged on the supporting body, and the first material supporting part is a positioning block arranged in the block mounting groove. A positioning part is arranged at the upper end of the positioning block, and the positioning part can position the tool.

[0014] The present utility model is further improved. The positioning part is a V-shaped groove arranged on the positioning block.

[0015] The present utility model is further improved. The number of the positioning blocks is two groups, the two groups of positioning blocks are arranged at intervals, and the material of the positioning blocks is diamond.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows: The present utility model provides a tool rest assembly with a stable structure. Adopting this structure can effectively solve the problems existing in the tool rest assembly in the prior art, that is, for the processing of long-sized tools, it cannot meet the processing requirements, and there are problems such as tool damage, low processing accuracy or unstable processing. By using the structure of this product, the lengthened support assembly supports the front end of the tool, and cooperates with the tool rest main body to support the entire tool, effectively improving the stability of the processing of long-sized tools, avoiding the problems of tool damage or low processing accuracy, and being beneficial to improving the competitiveness of enterprises. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the solutions in the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of the tool rest assembly with a stable structure;

[0019] Figure 2 It is a schematic diagram of the structure of the tool rest assembly with a stable structure from another perspective. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Unless otherwise defined, all technical and scientific terms used in the present utility model have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs; the terms used in the description of the present utility model are only for the purpose of describing specific embodiments and are not intended to limit the present utility model; the terms "including" and "having" and any variations thereof in the description and claims of the present utility model and the above drawings are intended to cover non-exclusive inclusion. The terms "first", "second", etc. in the description and claims of the present utility model or the above drawings are used to distinguish different objects and are not used to describe a specific order.

[0021] When referring to "embodiments" in the present utility model, it means that specific features, structures or characteristics described in connection with the embodiments can be included in at least one embodiment of the present utility model. The phrase appears in various places in the description does not necessarily refer to the same embodiment, nor is it an exclusive, independent or alternative embodiment that is mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described in the present utility model can be combined with other embodiments.

[0022] To enable those skilled in the art of this technology to better understand the solution of this utility model, the technical solutions in the embodiments of this utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0023] As Figure 1 and Figure 2 shown, a tool rest assembly with a stable structure of this utility model includes a tool rest main body and an extended support assembly. The extended support assembly is arranged on the front side of the tool rest main body. A first tool supporting part is arranged on the tool rest main body, and a second tool supporting part is arranged on the extended support assembly.

[0024] Through the setting of the second tool supporting part, it can support the processing of long-sized tools 4, avoiding the problems of damage during the processing or poor processing accuracy caused by the lack of support for the extended part during the processing of long-sized tools 4.

[0025] The first tool supporting part and the second tool supporting part can respectively support and lift both ends of the tool 4 to ensure the stability of the tool 4 during the processing.

[0026] The extended support assembly includes a mounting plate 1 and a support plate 2. The mounting plate 1 is fixedly arranged perpendicular to the tool rest main body. The support plate 2 is perpendicular to the mounting plate 1, and a linear adjustment part is arranged on the mounting plate 1. An adjustment member 3 is arranged on the support plate 2, and the adjustment member 3 is arranged in the linear adjustment part.

[0027] Through the setting of the support plate 2, it can move away from or close to the tool rest main body through the cooperation of the adjustment member 3 and the linear adjustment part to adapt to the processing of various long-sized tools 4, with higher flexibility in use.

[0028] The linear adjustment part is a linear adjustment hole 11 penetrating through both side surfaces of the mounting plate 1. The adjustment member 3 is a guiding connecting rod. Connecting arms are arranged on both sides at the lower end of the support plate 2. One end of the guiding connecting rod is connected to the connecting arm, and the other end of the guiding connecting rod passes through the linear adjustment hole 11 and is connected to the other connecting arm.

[0029] Through the cooperation of the guiding connecting rod and the linear adjustment hole 11, the adjustment can be made more stable.

[0030] A locking member 21 is also arranged on the mounting plate 1. Through the setting of the locking member 21, after the support plate 2 is adjusted to the specified position, the locking member 21 can lock the position of the support plate 2 to avoid the relative position fixation during the processing.

[0031] The locking member 21 is a screw. Mounting holes cooperating with the locking member 21 are arranged on the mounting plate 1. The locking member 21 passes through the mounting hole and presses against the mounting plate 1 to perform the locking action.

[0032] The support plate 2 is also provided with a pitch adjustment assembly. A pitch mounting groove for cooperating with the pitch adjustment assembly is provided on the support plate 2. The pitch adjustment assembly includes a pitch seat 22 and a locking hinge 23. The second material supporting part is arranged on the pitch seat 22.

[0033] The pitch seat 22 can be hinged to the support plate 2 through the locking hinge 23. By loosening the locking hinge 23, adjusting the angle, and then tightening the locking hinge 23 after adjustment, the locking action is completed. Through the setting of the pitch adjustment assembly, the pitch angle of the second material supporting part can be adjusted, making the processing accuracy higher.

[0034] A material supporting mounting groove is provided on the pitch seat 22. The second material supporting part is a material supporting block 24 arranged in the material supporting mounting groove. A profiling surface cooperating with the tool 4 is provided at the upper end of the material supporting block 24.

[0035] Through the setting of the profiling surface on the material supporting block 24, the tool 4 can be effectively positioned and supported.

[0036] The tool rest main body includes a driving claw assembly and a supporting main body 5. The first material supporting part is arranged at the upper end of the supporting main body 5. The driving claw assembly includes a driving cylinder 6 and a swing claw 7. The moving direction of the moving end of the driving cylinder 6 is inclined upward, and a hinge block 8 is arranged at the moving end of the driving cylinder 6. The hinge block 8 is hinged to one end of the swing claw 7. An arc-shaped groove 71 is arranged at the other end of the swing claw 7, and a claw part is arranged at one end of the swing claw 7 close to the first material supporting part. A claw guiding block 51 cooperating with the arc-shaped groove 71 is arranged on the supporting main body 5. The driving cylinder 6 can drive the swing claw 7 to make the claw part move away from or close to the first material supporting part.

[0037] Through the setting of the driving claw assembly, when the tool 4 is placed on the supporting main body 5, it can be pressed by the swing claw 7, improving the stability of the tool 4 in the first material supporting part.

[0038] During the processing, after machining one surface, the swing claw 7 is loosened, the fixture drives the tool 4 to move up and down, rotate a specified angle, and then place the tool 4 on the first material supporting part, and the swing claw 7 presses the tool 4 again.

[0039] A block mounting groove is provided on the supporting main body 5. The first material supporting part is a positioning block 52 arranged in the block mounting groove. A positioning part is provided at the upper end of the positioning block 52.

[0040] Through the setting of the positioning part, the tool 4 can be positioned through the positioning part.

[0041] The positioning part is a V-shaped groove arranged on the positioning block 52. Through the cooperation of the V-shaped groove and the claw part, positioning with three support points can be achieved. The two support points of the V-shaped groove, plus one key point of the claw part, fix the tool 4 in the V-shaped groove, improving the positioning accuracy.

[0042] The number of the positioning support blocks 52 is two groups, the two groups of positioning support blocks 52 are arranged at intervals, and the material of the positioning support blocks 52 is diamond.

[0043] By arranging the two groups of positioning support blocks 52 at intervals, the clamping jaw part presses at the position between the two groups of positioning support blocks 52, so that the cutter 4 can be stably arranged in the two groups of positioning support blocks 52, increasing the number of fulcrums and further improving the positioning stability and concentricity.

[0044] As can be seen from the above, the beneficial effects of the present utility model are as follows: By adopting its mechanism, it can effectively solve the problems of the tool holder assembly in the prior art, that is, for the machining of long-sized cutters 4, it cannot meet the machining requirements, and there are problems such as cutter 4 damage, low machining accuracy or unstable machining. By using the product structure, the lengthened support assembly supports the front end of the cutter 4, and cooperates with the tool holder main body to support the entire cutter 4, effectively improving the machining stability of the long-sized cutter 4 and avoiding the problems of cutter 4 damage or low machining accuracy, which is beneficial to improving the competitiveness of the enterprise.

[0045] The above specific implementation manners are the preferred implementation manners of the present utility model, and do not limit the specific implementation scope of the present utility model thereby. The scope of the present utility model includes but is not limited to this specific implementation manner. All equivalent changes made in accordance with the present utility model are within the protection scope of the present utility model.

Claims

1. A tool support assembly with a stable structure, used for supporting and lifting a tool being processed, characterized in that: It includes a tool support body and an extended support component, wherein the extended support component is arranged at the front side of the tool support body, the tool support body is provided with a first supporting part, and the extended support component is provided with a second supporting part, and the first supporting part and the second supporting part can support and lift the two ends of the tool respectively.

2. The knife support assembly with a stable structure according to claim 1, characterized in that: The extended support assembly includes a mounting plate and a support plate, wherein the mounting plate is fixedly arranged perpendicularly to the tool holder body, the support plate is perpendicular to the mounting plate, and a linear adjustment portion is arranged on the mounting plate, an adjustment member is arranged on the support plate, and the adjustment member is arranged in the linear adjustment portion, and the support plate can move away from or approach the tool holder body through the cooperation between the adjustment member and the linear adjustment portion.

3. The knife support assembly with a stable structure according to claim 2, characterized in that: The linear adjustment portion is a linear adjustment hole that passes through the surfaces of both sides of the mounting plate, the adjustment member is a guide connecting rod, connecting arms are provided on both sides of the lower end of the support plate, one end of the guide connecting rod is connected to the connecting arm, and the other end of the guide connecting rod passes through the linear adjustment hole and is connected to another connecting arm.

4. The knife support assembly with a stable structure according to claim 2, characterized in that: The mounting plate is also provided with a locking member, and the locking member can fix the relative position between the mounting plate and the supporting plate.

5. The knife support assembly with a stable structure according to claim 2, characterized in that: The support plate is also provided with a pitch adjustment assembly, and the support plate is provided with a pitch installation groove which cooperates with the pitch adjustment assembly. The pitch adjustment assembly includes a pitch seat and a locking hinge. The pitch seat can be hinged to the support plate through the locking hinge, and the second supporting portion is arranged on the pitch seat.

6. The knife support assembly with a stable structure according to claim 5, characterized in that: The pitch seat is provided with a supporting installation groove, the second supporting part is a supporting block arranged in the supporting installation groove, and the upper end of the supporting block is provided with a contour surface cooperating with the tool.

7. The knife support assembly with a stable structure according to any one of claims 1 to 6, characterized in that: The tool support body includes a driving claw assembly and a supporting body, the first supporting part is arranged at the upper end of the supporting body, the driving claw assembly includes a driving cylinder and a swing claw, the moving direction of the moving end of the driving cylinder is inclined upward, and the moving end of the driving cylinder is provided with a hinge block, the hinge block is hinged to one end of the swing claw, the other end of the swing claw is provided with an arc groove, and the swing claw is provided with a claw part near one end of the first supporting part, and a claw guide block matching the arc groove is provided on the supporting body, and the driving cylinder can drive the swing claw to make the claw part move away from or close to the first supporting part.

8. The knife support assembly with a stable structure according to claim 7, characterized in that: The support body is provided with a support block installation groove, the first support part is a positioning support block arranged in the support block installation groove, and a positioning part is provided at the upper end of the positioning support block, and the positioning part can position the tool.

9. The knife support assembly with a stable structure according to claim 8, characterized in that: The positioning portion is a V-shaped groove arranged on the positioning bracket.

10. The knife support assembly with a stable structure according to claim 8, characterized in that: The number of the positioning support blocks is two groups, the two groups of positioning support blocks are arranged at intervals, and the material of the positioning support blocks is diamond.

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