Tool changing structure for replacing tool on tool handle

Abstract

The utility model provides a tool changing structure for replacing a tool on a tool handle, which comprises a mounting seat and is characterized in that the mounting seat is provided with a tool handle seat, the tool handle seat is provided with at least two inserting parts for inserting the tool handle to be processed, and the tool changing structure is arranged on the mounting seat. The mounting seat is provided with a plurality of knife handle seats, each knife handle seat is provided with an insertion part, the insertion part of each knife handle seat can respectively correspond to the specification of a to-be-processed knife handle matched with the knife handle seat, correspondingly, the mounting seat is provided with a limiting part for limiting each knife handle seat, and each knife handle seat can be selectively inserted into the mounting seat. Compared with the prior art, the cutter handle seat has the advantages that a plurality of cutter handle seats are arranged according to cutter handles of different specifications, and an operator can alternatively arrange the cutter handle seats of different specifications on the corresponding mounting seats according to different machining requirements, so that the universality of the mounting seats is realized, and the manufacturing cost is reduced while the problem of large spatial position is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of machining, in particular to a tool changing structure required for changing tools when a tool handle is installed on a numerical control machine tool. Background Art

[0002] The tool handle is a tool, which is a connector that connects the mechanical spindle to the tool and other accessory tools. The main standards currently include BT, SK, CAPTO, BBT and other spindle models. The BT models currently in use include BT50, BT40, BT30 and other specifications. Among them, the tool handle structure of BT50 can refer to the Chinese invention patent application with patent application number CN201810934290.5 (application publication number CN110834212A) "A BT50 tool handle installed on a CNC machine tool". It includes a tool handle mounting seat, a tool handle barrel connected to the first end of the tool handle mounting seat, and a spiral tube connected to the second end of the tool handle mounting seat. The spiral tube uses electromagnetic action to make the threaded tube and the mounting seat of the CNC machine tool more firmly connected. When the tool on the tool handle barrel needs to be replaced, a tool changing structure is required.

[0003] When changing the tool, the worker needs to clamp the tool handle with a wrench before the tool head can be replaced. This tool changing method is easy to damage the tool handle. For this reason, the existing patent provides a tool locker. The specific structure can refer to the tool locker with patent number ZL201820560951.8. The tool locker includes a locking block and a limiting boss symmetrically arranged on the locking block. A limiting groove that can be offset against the limiting ring is formed between the two limiting bosses. Although the limiting groove can limit the circumferential rotation of the limiting ring, the laser machine tool handle can be clamped without using a wrench, thereby avoiding damage to the laser machine tool handle. However, there are still the following limitations during use: each locking tool seat can only adapt to a tool handle of a single specification. As mentioned above, the specifications of the tool handle vary. If the tool head of a tool handle of different specifications needs to be replaced, it is necessary to purchase or produce locking tool seats of different specifications. On the one hand, it is easy to cause the problem of high cost. On the other hand, it is also easy to cause the problem of large space occupied by each locking tool seat when placed. Therefore, further improvements are needed. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a tool changing structure which can adapt to tool handles of different specifications in view of the above-mentioned existing technical status.

[0005] The utility model solves the above technical problems by adopting the following technical solution: the tool changing structure for replacing the tool with the tool handle comprises:

[0006] Mounting seat;

[0007] Features:

[0008] The mounting seat is provided with:

[0009] A tool handle seat is provided with an insertion portion for inserting the tool handle to be processed, and includes at least two of them, and each insertion portion of the tool handle seat can correspond to the specifications of the tool handle to be processed that it is adapted to;

[0010] Correspondingly, a limiting portion for limiting each of the tool handle seats is provided on the mounting seat, and each of the tool handle seats can be selectively inserted into the mounting seat.

[0011] In order to facilitate the processing of the mounting seat, from the perspective of simple structure, preferably, the mounting seat includes a seat body, the periphery of the seat body is surrounded by a convex wall to form an insertion port for the handle seat to be inserted, and the limiting portion is arranged on the end surface of the convex wall. The limiting portion can be processed and formed together with the convex wall of the seat body, or can be directly processed as an independent component, and directly arranging it on its end surface is a simpler method.

[0012] Furthermore, the limiting portion is an outer protrusion protruding from the end surface of the convex wall, and correspondingly, the handle seat has a notch at a corresponding position for the outer protrusion to be inserted into. Rapid positioning can be achieved through the cooperation between the outer protrusion and the notch.

[0013] On the premise that the handle seat is positioned on the mounting seat, the next step is to position the handle. Further, the handle seat is provided with a mounting groove spaced apart from the notch in the circumferential direction, and a positioning part for positioning the handle to be processed is installed on the mounting groove, and the positioning part protrudes from the mounting groove. The structure of the positioning part can be adaptively selected according to the handle to be processed, and can be replaced by cooperating with the mounting groove to better adapt to handles of different specifications.

[0014] Of course, in addition to inserting different handle seats on the mounting seat according to different handles, another method can be used to achieve this. Further, only one handle seat is provided, and correspondingly, the positioning portion can slide relative to the mounting groove to adjust the distance relative to the insertion portion. That is, only one handle seat is provided. In this way, to achieve positioning of handles of different specifications, the positioning portion can be made relative to the insertion portion to achieve the corresponding positioning effect.

[0015] In order to achieve a relatively stable fixation of the handle seat on the mounting seat, preferably, a limiting hole exposed outside the mounting seat is provided at the end of the handle seat, and the handle seat can be limited on the mounting seat when a fastener is provided in the limiting hole. When the handle seat is inserted into the mounting seat, the first positioning is achieved by the positioning part, and then the fastener is tightly fitted on the limiting hole to be clamped outside the mounting seat to achieve the second positioning, so that the handle seat can be positioned more stably.

[0016] In order to reduce the space occupied by the mounting seat and the handle seat, preferably, a bracket is further included, and the bracket includes a first placement area for placing the mounting seat and a second placement area for placing the handle seat. The first placement area and the second placement area on the bracket are arranged to realize the centralized classification and placement of the mounting seat and the handle seat, which is convenient for workers to take and place when replacing the handle.

[0017] Furthermore, the first placement area includes an insertion opening for inserting the mounting seat, and the second placement area includes at least two slots, which can respectively accommodate the tool handle seats of corresponding specifications.

[0018] Furthermore, the bracket is provided with a third placement area below the second placement area for placing tools required for replacing the tool handle.

[0019] Compared with the prior art, the utility model has the advantages that: a plurality of tool handle seats are provided according to tool handles of different specifications, and the operator can selectively set tool handle seats of different specifications on the corresponding mounting seats according to different processing requirements, thereby achieving the commonality of the mounting seats, reducing the problem of large space and reducing the cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of the present utility model;

[0021] Figure 2 This is an exploded view of the structure of Embodiment 1 of the present utility model;

[0022] Figure 3 for Figure 1 Schematic diagram of the structure from another angle;

[0023] Figure 4 This is a schematic diagram of the support structure of Example 1 of the utility model;

[0024] Figure 5 This is a schematic diagram of the positional relationship between the tool, the tool handle and the bracket after the tool handle seat of Example 1 of the utility model is placed upright;

[0025] Figure 6 This is a schematic diagram of the positional relationship between the tool, the handle and the bracket after the handle seat of Example 1 of the utility model is turned upside down. DETAILED DESCRIPTION

[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0027] Example 1

[0028] like Figures 1 to 6The figure shows the best embodiment of the utility model. The tool changing structure of this embodiment is mainly used to replace the tool holder and the tool on the machine tool. When the tool holder is of various sizes, the tool changing structure must provide users with various sizes. For example, when the product fixed on the machine tool requires different precision machining dimensions, the user often hopes to be able to quickly replace the tool of the corresponding size and the tool holder that fixes the tool on the machine tool. Therefore, it is beneficial to provide a tool changing structure that can adapt to tool holders of different specifications:

[0029] Please see Figures 1 to 3 The tool changing structure for replacing a tool with a tool handle includes a mounting seat 1, on which a tool handle seat 2 is arranged, and the tool handle seat 2 is provided with an insertion portion 3 for inserting a tool handle to be processed, wherein the insertion portion 3 can be equipped with three tool handle seats 2 according to different models of the tool handle, such as tool handle seats of three specifications of model BT50, BT40, and BT30, and the insertion portion 3 of each tool handle seat 2 can respectively correspond to the specifications of the tool handle a to be processed that it is adapted to, and correspondingly, a limiting portion 4 for limiting each tool handle seat 2 is provided on the mounting seat 1, and each tool handle seat 2 can be selectively inserted into the mounting seat 1.

[0030] The following is an explanation of the structure of the BT50 handle seat:

[0031] The mounting seat 1 of this embodiment includes a seat body 11, and the periphery of the seat body 11 is surrounded by a convex wall to form an insertion port 12 for inserting the handle seat 2, and a limiting portion 4 is provided on the end surface of the convex wall. The limiting portion 4 is an outer convex portion protruding from the end surface of the convex wall. Correspondingly, the handle seat 2 has a notch 20 at a corresponding position for inserting the outer convex portion. The cooperation between the outer convex portion and the notch 20 can realize the rapid positioning between the handle seat and the mounting seat. On the premise that the handle seat is positioned on the mounting seat, the next step is to position the handle. The handle seat 2 of this embodiment is provided with a mounting groove 5 spaced from the notch in the circumferential direction. A positioning portion 6 for positioning the handle to be processed is installed on the mounting groove 5. The positioning portion 6 protrudes from the mounting groove 5. The positioning portion 6 of this embodiment is a block structure. Of course, the structure of the positioning portion 6 can be adaptively selected according to the handle to be processed, and can be disassembled and replaced by cooperating with the mounting groove 5 to better adapt to handles of different specifications.

[0032] During use, the operator only needs to selectively set the tool handle seat 2 of corresponding specifications on the corresponding mounting seat 1 according to different processing requirements.

[0033] Please see Figure 4The tool changing structure for replacing a tool with a tool handle in this embodiment further includes a bracket 7, which includes a first placement area 71 for placing the mounting seat 1 and a second placement area 72 for placing the tool handle seat 2. The arrangement of the first placement area 71 and the second placement area 72 on the bracket realizes the centralized classification and placement of the mounting seat 1 and the tool handle seat 2, which is convenient for workers to take and place when replacing the tool handle, and reduces the space occupied by placing the mounting seat 1 and the tool handle seat 2. The bracket 7 is a table body, and the first placement area 71 and the second placement area 72 are arranged on the table of the bracket 7.

[0034] In this embodiment, the first placement area 71 includes an insertion opening 710 for inserting the mounting seat 1, and the second placement area 72 includes at least two slots, which can be respectively inserted into the tool handle seat 2 of the corresponding specification. There are four slots, including a slot 1 721 corresponding to the BT30 tool handle seat 2, a slot 2 722 corresponding to the BT40 tool handle seat 2, and a slot 3 723 corresponding to the BT50 tool handle seat 2, and a spare slot corresponding to the BT50 tool handle seat 2 is also provided.

[0035] In this embodiment, the support 7 is further provided with a third placement area 73 below the second placement area 72 for placing tools required for replacing the knife handle. The third placement area 73 is a drawer arranged in the support 7 .

[0036] Please see Figure 5 The first placement area 71 of this embodiment can be used to place the tool handle a and the tool b. Specifically, the mounting seat 1 is placed on the insertion port 710, the tool handle seat 2 is limitedly inserted into the mounting seat 1, the tool handle a is positively inserted into the tool handle seat 2 and the positioning part 6 is adjusted to clamp the upper end a1 of the tool handle, the fastener in the limiting hole 21 is tightened to fix the lower end a2 of the tool handle, and the tool b is inserted into the upper end a1 of the tool handle and fixed. After the installation is completed, the tool b extends out of the table, and the lower end a2 of the tool handle extends into the bracket 7.

[0037] Please see Figure 6 The first placement area 71 of this embodiment can also invert the tool handle a and the tool b. Specifically, the mounting seat 1 is placed on the insertion port 710, the tool handle seat 2 is limited and inserted into the mounting seat 1, the tool handle a is reversely inserted into the tool handle seat 2 and the positioning part 6 is adjusted to clamp the lower end of the tool handle seat 2, the fastener in the limiting hole 21 is tightened to fix the upper end of the tool handle seat 2, and the tool b is inserted into the upper end a1 of the tool handle and fixed. After the installation is completed, the lower end a2 of the tool handle extends out of the desktop, and the tool b extends into the bracket 7.

[0038] Example 2

[0039] The structure is basically the same as that of Example 1, with the only difference being that only one shank seat 2 is provided, and correspondingly, the positioning portion 6 can slide relative to the mounting groove 5 to adjust the distance relative to the insertion portion 3, thereby adapting to different specifications of shanks a. Since the same shank seat 2 is adapted to shanks a of different specifications, taking the shank seat 2 as BT50 as an example, when the inserted shank a is BT40 or BT30, the positioning portion 6 can be slid along the mounting groove 5 to the corresponding position. However, in order to achieve a more stable fixation of the shank seat 2 on the mounting seat 1, a limiting hole 21 exposed outside the mounting seat 1 is provided at the end of the shank seat 2 in this embodiment, and in a state where a fastener is provided in the limiting hole 21, the shank seat 2 can be limited on the mounting seat 1. When the shank seat 2 is inserted into the mounting seat 1, the first positioning is achieved by the positioning portion 6, and then the second positioning is achieved by using the fastener to be tightly fitted on the limiting hole 21 to be clamped outside the mounting seat 1, so that the shank a can be positioned more stably.

[0040] When in use, if the shank a is BT40 or BT30, when it is placed in a shank seat 2 such as BT50, first adjust the position of the positioning portion 6 relative to the mounting groove 5. When the shank a is placed thereon, use the fastener to tightly fit on the limiting hole 21 to clamp it outside the mounting seat 1, and perform a second positioning of the shank a.

Claims

1. A tool changing structure for replacing a tool with a tool handle, comprising: Mounting seat (1); Features: The mounting seat (1) is provided with: A tool handle seat (2) is provided with an insertion portion (3) for inserting a tool handle to be processed, and comprises at least two insertion portions (3), each of which can correspond to the specifications of the tool handle (a) to be processed that it is adapted to. Correspondingly, the mounting seat (1) is provided with a limiting portion (4) for limiting the position of each of the tool handle seats (2), and each of the tool handle seats (2) can be selectively inserted into the mounting seat (1).

2. The tool changing structure according to claim 1, characterized in that: The mounting seat (1) comprises a seat body (11), the periphery of the seat body (11) is surrounded by a convex wall to form an insertion opening (12) for inserting the tool handle seat (2), and the limiting portion (4) is arranged on the end surface of the convex wall.

3. The tool changing structure according to claim 2, characterized in that: The limiting portion (4) is an outer convex portion protruding from the end surface of the convex wall, and correspondingly, the handle seat (2) has a notch (20) at a corresponding position for the outer convex portion to be inserted.

4. The tool changing structure according to claim 3, characterized in that: The tool handle seat (2) is provided with a mounting groove (5) spaced apart from the notch in the circumferential direction, and a positioning portion (6) for positioning the tool handle to be processed is installed on the mounting groove (5), and the positioning portion (6) protrudes from the mounting groove (5).

5. The tool changing structure according to claim 4, characterized in that: The shank seat (2) is only provided with one, and correspondingly, the positioning portion (6) can slide relative to the mounting groove (5) to adjust the distance relative to the insertion portion (3).

6. The tool changing structure according to any one of claims 1 to 5, characterized in that: The end of the tool handle seat (2) is provided with a limiting hole (21) exposed outside the mounting seat (1), and when a fastener is provided in the limiting hole (21), the tool handle seat (2) can be limited on the mounting seat (1).

7. The tool changing structure according to any one of claims 1 to 5, characterized in that: It also includes a bracket (7), wherein the bracket (7) includes a first placement area (71) for placing the mounting seat (1) and a second placement area (72) for placing the tool handle seat (2).

8. The tool changing structure according to claim 7, characterized in that: The first placement area (71) includes an insertion opening (710) for inserting the mounting seat (1), and the second placement area (72) includes at least two slots (721; 722; 723) for respectively inserting the tool handle seat (2) of corresponding specifications.

9. The tool changing structure according to claim 8, characterized in that: The bracket (7) is also provided with a third placement area (73) below the second placement area (72) for placing tools required when replacing the tool handle (a).

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