ATC tool locking structure of horizontal numerical control machining center

Abstract

The utility model relates to the technical field of tool locking, discloses an ATC tool locking structure of a horizontal numerical control machining center, and solves the problems that the machining precision is influenced, the service life of a tool is shortened and the tool is easy to fall off due to the fact that an existing side-fixed locking tool is eccentric. A bolt movably installed on one side of a shell is screwed inwards, a first clamping block is pushed to move when the bolt is screwed inwards, a first transmission assembly is driven to rotate when the first clamping block moves, and a second transmission assembly and a third transmission assembly are driven to rotate when the first transmission assembly rotates; the second transmission assembly and the third transmission assembly rotate to drive the second clamping block and the third clamping block to move towards the tool, the bolt is screwed into the shell through the transmission effect of the three transmission assemblies, meanwhile, the three clamping blocks are driven to move inwards synchronously, the three clamping blocks penetrate through the tool guide groove at the same time to be clamped with clamping block clamping grooves formed in the bottom of the tool, and therefore the tool is locked.

Description

Technical Field

[0001] The utility model relates to the technical field of tool locking, in particular to an ATC tool locking structure of a horizontal CNC machining center. Background Technique

[0002] Tool locking is a crucial link in CNC machining, especially in horizontal CNC machining centers. It is directly related to machining accuracy, efficiency, and safety. During the machining process, the tool needs to be accurately and firmly fixed on the tool holder to ensure the stability of the cutting process and machining quality. If the tool is not locked firmly, it may cause the tool to loosen or fall off, thereby leading to machining errors, machine tool damage, and even safety accidents.

[0003] The prior art uses a side-fixed type to lock the tool, which will cause the tool to be eccentric, thereby affecting machining accuracy, reducing tool life, and easily causing the tool to fall off.

[0004] In view of the above-related technologies, an ATC tool locking structure of a horizontal CNC machining center is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide an ATC tool locking structure of a horizontal CNC machining center. By using this device for work, the problem of tool eccentricity is solved.

[0006] To achieve the above purpose, the utility model provides the following technical solution: an ATC tool locking structure of a horizontal CNC machining center, including a tool holder mechanism. One end of the tool holder mechanism is fixedly installed with a tool locking mechanism, and a tool is locked and installed in the center of the tool locking mechanism. The tool locking mechanism includes a housing, a tool guide groove is opened in the housing, one side of the housing is threadedly connected with a bolt, a first clamping block is movably installed at the end of the bolt away from the head, a first transmission component is meshed and connected to one side of the first clamping block, one end of the first transmission component is meshed and connected to a second transmission component, a second clamping block is meshed and connected to one side of the second transmission component, a third transmission component is meshed and connected to one side of the second transmission component away from the first transmission component, a third clamping block is meshed and connected to one side of the third transmission component, and the end of the third transmission component away from the second transmission component is meshed and connected to the end of the first transmission component away from the second transmission component.

[0007] Preferably, the tool holder mechanism includes a positioning conical surface, a pull stud is movably installed at the thinner end of the positioning conical surface, a tool grasping groove is fixedly installed at the thicker end of the positioning conical surface, and clamping grooves are opened on both sides of the tool grasping groove close to the positioning conical surface.

[0008] Preferably, a clamping block clamping groove is opened at the bottom of the tool.

[0009] Preferably, a cavity is formed inside the housing between the housing and the tool guide groove. The first clamping block is located in the inner cavity of the housing. One end of the first clamping block away from the bolt movably penetrates through the tool guide groove. The first transmission assembly is located in the inner cavity of the housing. The first transmission assembly movably penetrates through the housing. The second transmission assembly is located in the inner cavity of the housing. One end of the second clamping block is movably installed inside the housing. One end of the second clamping block away from the housing movably penetrates through the tool guide groove. The second transmission assembly movably penetrates through the housing. The third transmission assembly is located in the inner cavity of the housing. The third transmission assembly movably penetrates through the housing. One end of the third clamping block is movably installed inside the housing. One end of the third clamping block away from the housing movably penetrates through the tool guide groove.

[0010] Preferably, a connecting head is provided at one end of the first clamping block close to the bolt, and a tooth groove is provided on one side of the first clamping block.

[0011] Preferably, the first transmission assembly includes a first annular gear. The first annular gear meshes with the first clamping block. A first transmission shaft is fixedly installed inside the first annular gear. The first transmission shaft movably penetrates through the housing. First bevel gears are fixedly installed at both ends of the first transmission shaft. The second transmission assembly includes a second bevel gear. The second bevel gear is meshed and connected with the first bevel gear. A second transmission shaft is fixedly installed at one end of the second bevel gear. The second transmission shaft movably penetrates through the housing. A second annular gear is fixedly installed in the middle of the second transmission shaft. The second annular gear is meshed and connected with one side of the second clamping block. The third transmission assembly includes a third bevel gear. The third bevel gear is meshed and connected with the second bevel gear. A third transmission shaft is fixedly installed at one end of the third bevel gear. The third transmission shaft movably penetrates through the housing. A third annular gear is fixedly installed in the middle of the third transmission shaft. The third annular gear is meshed and connected with one side of the third clamping block.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. An ATC tool locking structure for a horizontal CNC machining center proposed by the present utility model locks the tool simultaneously from three directions, reduces tool eccentricity, and increases the locking force.

[0014] 2. An ATC tool locking structure for a horizontal CNC machining center proposed by the present utility model uses a bolt to control the locking mechanism, making the operation more convenient and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the overall three-dimensional structure schematic diagram of the present utility model;

[0016] Figure 2 is the three-dimensional structure schematic diagram of the tool holder mechanism of the present utility model;

[0017] Figure 3 is the three-dimensional structure schematic diagram of the tool locking mechanism of the present utility model;

[0018] Figure 4 is the cross-sectional structure schematic diagram of the tool locking mechanism of the present utility model;

[0019] Figure 5 This is a three-dimensional structural schematic diagram of the transmission component of the tool locking mechanism of the present utility model;

[0020] Figure 6 This is of the present utility model Figure 4 The enlarged structural schematic diagram at position A.

[0021] In the figure: 1. Tool shank mechanism; 11. Positioning conical surface; 12. Pull stud; 13. Tool grasping groove; 14. Card slot; 2. Tool locking mechanism; 21. Outer shell; 22. Tool guide groove; 23. Bolt; 24. First clamping block; 241. Connector; 242. Tooth groove; 25. First transmission component; 251. First annular gear; 252. First transmission shaft; 253. First bevel gear; 26. Second transmission component; 261. Second bevel gear; 262. Second transmission shaft; 263. Second annular gear; 27. Second clamping block; 28. Third transmission component; 281. Third bevel gear; 282. Third transmission shaft; 283. Third annular gear; 29. Third clamping block; 3. Tool; 31. Clamping block card slot; Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] To further understand the content of the present utility model, the present utility model will be described in detail in conjunction with the accompanying drawings.

[0024] Combined with Figure 1 , a tool locking structure of a horizontal CNC machining center ATC includes a tool shank mechanism 1, a tool locking mechanism 2 is fixedly installed at one end of the tool shank mechanism 1, and a tool 3 is centrally locked and installed in the tool locking mechanism 2.

[0025] Combined with Figure 1 and Figure 2 , the tool shank mechanism 1 includes a positioning conical surface 11, a pull stud 12 is movably installed at the thinner end of the positioning conical surface 11, a tool grasping groove 13 is fixedly installed at the thicker end of the positioning conical surface 11, and card slots 14 are opened on both sides of the tool grasping groove 13 close to one end of the positioning conical surface 11,

[0026] Combined with Figure 3 , Figure 5 and Figure 6The tool locking mechanism 2 includes a housing 21. A tool guide groove 22 is formed inside the housing 21. The housing 21 and the tool guide groove 22 form a cavity inside the housing 21. One side of the housing 21 is threadedly connected with a bolt 23. A first clamping block 24 is movably installed at the end of the bolt 23 away from the head. The first clamping block 24 is located in the internal cavity of the housing 21. A connection head 241 is provided at one end of the first clamping block 24 close to the bolt 23. One end of the first clamping block 24 away from the bolt 23 movably penetrates through the tool guide groove 22. A tooth groove 242 is provided on one side of the first clamping block 24. A first transmission assembly 25 is meshed and connected to the side of the first clamping block 24 provided with the tooth groove 242. The first transmission assembly 25 is located in the internal cavity of the housing 21. The first transmission assembly 25 movably penetrates through the housing 21. The first transmission assembly 25 includes a first annular gear 251. The first annular gear 251 is meshed with the tooth groove 242. A first transmission shaft 252 is fixedly installed inside the first annular gear 251. The first transmission shaft 252 movably penetrates through the housing 21. First bevel gears 253 are fixedly installed at both ends of the first transmission shaft 252. One end of the first transmission assembly 25 is meshed and connected to a second transmission assembly 26. The second transmission assembly 26 is located in the internal cavity of the housing 21. The second transmission assembly 26 movably penetrates through the housing 21. The second transmission assembly 26 includes a second bevel gear 261. The second bevel gear 261 is meshed and connected to the first bevel gear 253. A second transmission shaft 262 is fixedly installed at one end of the second bevel gear 261. The second transmission shaft 262 movably penetrates through the housing 21. A second annular gear 263 is fixedly installed in the middle of the second transmission shaft 262. A second clamping block 27 is meshed and connected to one side of the second annular gear 263. One end of the second clamping block 27 is movably installed inside the housing 21. One end of the second clamping block 27 away from the housing 21 movably penetrates through the tool guide groove 22. One end of the second transmission assembly 26 away from the first transmission assembly 25 is meshed and connected to a third transmission assembly 28. The third transmission assembly 28 is located in the internal cavity of the housing 21. The third transmission assembly 28 movably penetrates through the housing 21. The third transmission assembly 28 includes a third bevel gear 281. The third bevel gear 281 is meshed and connected to the second bevel gear 261. A third transmission shaft 282 is fixedly installed at one end of the third bevel gear 281. The third transmission shaft 282 movably penetrates through the housing 21. A third annular gear 283 is fixedly installed in the middle of the third transmission shaft 282. A third clamping block 29 is meshed and connected to one side of the third annular gear 283. One end of the third clamping block 29 is movably installed inside the housing 21. One end of the third clamping block 29 away from the housing 21 movably penetrates through the tool guide groove 22. One end of the third transmission assembly 28 away from the second transmission assembly 26 is meshed and connected to one end of the first transmission assembly 25 away from the second transmission assembly 26.

[0027] Combine Figure 4 A clamping block slot 31 is provided at the bottom of the tool 3.

[0028] The bolt 23 is screwed into the housing 21 while pushing the first clamping block 24 movably installed at the end away from the head towards the tool guide groove 22. When the first clamping block 24 moves, it drives the first ring gear 251 meshed with the first clamping block 24 to rotate through the tooth groove 242 provided on one side. The rotation of the first ring gear 251 drives the first transmission shaft 252 to rotate. The rotation of the first transmission shaft 252 drives the first bevel gears 253 at both ends to rotate. The rotation of the first bevel gears 253 at both ends respectively drives the second bevel gear 261 and the third bevel gear 281 meshed with them to rotate. The rotation of the second bevel gear 261 drives the second transmission shaft 262 to rotate. The rotation of the second transmission shaft 262 drives the second ring gear 263 to rotate. The rotation of the second ring gear 263 drives the second clamping block 27 to move. The rotation of the third bevel gear 281 drives the third transmission shaft 282 to rotate. The rotation of the third transmission shaft 282 drives the third ring gear 283 to rotate. The rotation of the third ring gear 283 drives the third clamping block 29 to move.

[0029] Working principle: By screwing the bolt 23 movably installed on one side of the housing 21 into the housing 21, while the bolt 23 is being screwed in, it pushes the first clamping block 24 movably installed at the end away from the head towards the tool guide groove 22. When the first clamping block 24 moves, it drives the first transmission assembly 25 meshed with the first clamping block 24 to rotate. When the first transmission assembly 25 rotates, it simultaneously drives the second transmission assembly 26 and the third transmission assembly 28 meshed with the first transmission assembly 25 to rotate. The rotation of the second transmission assembly 26 and the third transmission assembly 28 respectively drives the second clamping block 27 and the third clamping block 29 to move towards the tool guide groove 22. Through the transmission effect of the three transmission assemblies, when the bolt 23 is screwed into the housing 21, it drives the three clamping blocks to move inward synchronously, so that the clamping blocks simultaneously pass through the tool guide groove 22 and are clamped with the clamping block slots 31 provided at the bottom of the tool 3, thereby locking the tool 3. The bolt 23 is movably connected to the connection head 241 provided at the end of the first clamping block 24 close to the bolt 23. When the bolt 23 is unscrewed, it drives the three clamping blocks to move out of the tool guide groove 22 synchronously, thereby loosening the tool 3.

[0030] It should be noted that in this article, relational 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 these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A horizontal CNC machining center ATC tool locking structure, comprising a tool holder mechanism (1), a tool locking mechanism (2) is fixedly installed at one end of the tool holder mechanism (1), and a tool (3) is centrally locked and installed in the tool locking mechanism (2), characterized in that: The tool locking mechanism (2) includes a housing (21). A tool guide groove (22) is formed in the housing (21). A bolt (23) is threadedly connected to one side of the housing (21). A first clamping block (24) is movably installed at the end of the bolt (23) away from the head. A first transmission component (25) is meshed and connected to one side of the first clamping block (24). One end of the first transmission component (25) is meshed and connected to a second transmission component (26). A second clamping block (27) is meshed and connected to one side of the second transmission component (26). One end of the second transmission component (26) away from the first transmission component (25) is meshed and connected to a third transmission component (28). A third clamping block (29) is meshed and connected to one side of the third transmission component (28). One end of the third transmission component (28) away from the second transmission component (26) is meshed and connected to the end of the first transmission component (25) away from the second transmission component (26).

2. The ATC tool locking structure of a horizontal CNC machining center according to claim 1, characterized in that: The tool handle mechanism (1) includes a positioning conical surface (11). A pull stud (12) is movably installed at the thinner end of the positioning conical surface (11). A tool gripping groove (13) is fixedly installed at the thicker end of the positioning conical surface (11). Card slots (14) are formed on both sides of the tool gripping groove (13) near the positioning conical surface (11).

3. The ATC tool locking structure of a horizontal CNC machining center according to claim 1, characterized in that: Clamping block slots (31) are formed at the bottom of the tool (3).

4. A horizontal CNC machining center ATC tool locking structure according to claim 1, characterized in that: The housing (21) and the tool guide groove (22) form a cavity inside the housing (21). The first clamping block (24) is located in the cavity inside the housing (21). The end of the first clamping block (24) away from the bolt (23) movably penetrates the tool guide groove (22). The first transmission component (25) is located in the cavity inside the housing (21). The first transmission component (25) movably penetrates the housing (21). The second transmission component (26) is located in the cavity inside the housing (21). One end of the second clamping block (27) is movably installed inside the housing (21). The end of the second clamping block (27) away from the housing (21) movably penetrates the tool guide groove (22). The second transmission component (26) movably penetrates the housing (21). The third transmission component (28) is located in the cavity inside the housing (21). The third transmission component (28) movably penetrates the housing (21). One end of the third clamping block (29) is movably installed inside the housing (21). The end of the third clamping block (29) away from the housing (21) movably penetrates the tool guide groove (22).

5. The ATC tool locking structure of a horizontal CNC machining center according to claim 4, wherein: A connection head (241) is arranged at the end of the first clamping block (24) close to the bolt (23). A tooth groove (242) is arranged on one side of the first clamping block (24).

6. The ATC tool locking structure of a horizontal CNC machining center according to claim 5, characterized in that: The first transmission component (25) includes a first annular gear (251). The first annular gear (251) meshes with the first clamping block (24). A first transmission shaft (252) is fixedly installed inside the first annular gear (251). The first transmission shaft (252) movably penetrates through the housing (21). First bevel gears (253) are fixedly installed at both ends of the first transmission shaft (252). The second transmission component (26) includes a second bevel gear (261). The second bevel gear (261) is meshed and connected with the first bevel gear (253). A second transmission shaft (262) is fixedly installed at one end of the second bevel gear (261). The second transmission shaft (262) movably penetrates through the housing (21). A second annular gear (263) is fixedly installed in the middle of the second transmission shaft (262). A second clamping block (27) is meshed and connected to one side of the second annular gear (263). The third transmission component (28) includes a third bevel gear (281). The third bevel gear (281) is meshed and connected with the second bevel gear (261). A third transmission shaft (282) is fixedly installed at one end of the third bevel gear (281). The third transmission shaft (282) movably penetrates through the housing (21). A third annular gear (283) is fixedly installed in the middle of the third transmission shaft (282). A third clamping block (29) is meshed and connected to one side of the third annular gear (283).

Images