CN113172461B

CN113172461B - Automatic change quick tool changing seat of numerical control lathe

Info

Publication number: CN113172461B
Application number: CN202110636013.8A
Authority: CN
Inventors: 宋秋构
Original assignee: Suzhou Ksc Precise Machinery Co ltd
Current assignee: Suzhou Ksc Precise Machinery Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-12-06
Anticipated expiration: 2041-06-08
Also published as: CN113172461A

Abstract

The invention relates to the technical field of numerical control lathes and discloses a rapid tool changing seat of an automatic numerical control lathe, which comprises a tool apron and a locking latin, wherein an air inlet joint is fixedly connected to the outer wall of one side of the tool apron, an air inlet groove is formed in the tool apron, a moving groove is formed in the tool apron, a flat wire compression spring is movably connected in the moving groove, a sliding ring is movably connected in the moving groove and is in contact with the flat wire compression spring, a fixed sleeve is connected in the sliding ring in a clearance mode, and a plurality of connecting holes are formed in one side of the fixed sleeve. The locking device not only can be used by matching the locking cover with the elastic jacket, so that the cutter is clamped and fixed, the stability of the cutter is improved, meanwhile, workers can conveniently detach and install the locking latin through the steel balls, the convenience of the device is improved, the workers can conveniently and quickly install and fix the cutter through the second wedge-shaped block, and the using effect of the device is improved.

Description

Automatic change quick tool changing seat of numerical control lathe

Technical Field

The invention relates to the technical field of numerically controlled lathes, in particular to a rapid tool changing seat of an automatic numerically controlled lathe.

Background

The numerically controlled lathe is one of the widely used numerically controlled machine tools at present, and is mainly used for cutting and processing inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces with any taper angle, complex rotary inner and outer curved surfaces, cylinders, conical threads and the like, and can perform grooving, drilling, reaming, boring and the like, and the numerically controlled machine tool usually consumes a large amount of tools in the using process.

The numerical control lathe relies on the cutter to process the work piece, and the numerical control lathe is at the during operation, because processing work piece specification is different, consequently need often to change the cutter and reach the purpose of processing, and the numerical control lathe tool changing on the market at present usually is that the staff carries out screw thread locking to it, if the screw thread is not hard up, the cutter can rock however to cause the damage of cutter and work piece, also bring danger for the staff simultaneously, consequently, it seems very necessary to provide a quick tool changing seat of automatic numerical control lathe.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a rapid tool changing seat of an automatic numerical control lathe, which mainly aims to solve the problems that when a lathe is used for changing tools, workers usually perform thread locking on the tool, and if threads are loosened, the tool can shake, so that the tool and a workpiece are damaged, and meanwhile, the danger is brought to the workers.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an automatic change numerical control lathe fast blade holder, includes blade holder and locking latin, one side outer wall fixedly connected with air-in connection of blade holder, the air inlet duct has been seted up to the inside of blade holder, the shifting chute has been seted up to the inside of blade holder, and the inside swing joint of shifting chute has flat line compression spring, the inside swing joint of shifting chute has the slip ring, and the slip ring contacts with flat line compression spring, the slip ring internal gap is connected with fixed cover, and a plurality of connecting holes have been seted up to one side of fixed cover, are equipped with the steel ball in the connecting hole, first slot has been seted up to the inside of fixed cover, and the locking latin pegs graft mutually with first slot, hidden plate groove has been seted up to one side of blade holder, and hidden plate inslot joint has the fixed plate, and fixed plate and blade holder are fixed mutually, one side fixedly connected with triangle inner ring of fixed plate, one side fixedly connected with triangle inner ring of locking plate, one side fixedly connected with the installation cover and fixed plate contact, the outer wall of installation cover has seted up, the circumference of movable outer wall of movable sealing washer is connected with the second sealing washer, and the outer wall of fixed sealing washer contacts with the second sealing washer, the outer wall of fixed sealing washer and the outer wall of fixed sealing washer.

On the basis of the scheme, the top of the cutter holder is provided with an oil inlet, and an oil nozzle is fixedly connected in the oil inlet.

As a further scheme of the invention, a plurality of mounting holes are formed in the upper surface of the cutter holder and are symmetrically distributed.

Furthermore, a plurality of auxiliary grooves are formed in the outer wall of the circumference of the mounting sleeve, and a plurality of anti-slip threads are formed in the locking cover.

On the basis of the scheme, the bottom of the cutter holder is provided with a fixing groove, and the bottom of the cutter holder is fixedly connected with a damping pad.

As a further scheme of the invention, the mounting device further comprises a second slot, the second slot is arranged inside the mounting sleeve, a second spring is fixedly connected inside the mounting sleeve, one side of the second spring is fixedly connected with a push plate, the push plate is slidably connected with the second slot, a positioning groove is formed in the outer circumferential wall of the mounting sleeve, a sliding sleeve is movably connected in the positioning groove, one side of the sliding sleeve is fixedly connected with a first spring, the first spring is fixed with the mounting sleeve, one side of the sliding sleeve is fixedly connected with a first wedge block, a first sliding groove is formed in the mounting sleeve, a second wedge block is movably connected in the first sliding groove, one side of the second wedge block is fixedly connected with two third springs, the third springs are fixed with the mounting sleeve, a fixing column is fixedly connected at the top of the second wedge block, and the fixing column is in contact with the first wedge block.

Furthermore, the circumferential outer wall of the sliding sleeve is fixedly connected with a rubber pad.

(III) advantageous effects

Compared with the prior art, the invention provides a rapid tool changing seat of an automatic numerical control lathe, which has the following beneficial effects:

1. through the cooperation use of locking lid and elastic jacket, insert the cutter in the elastic jacket, then rotate the locking lid, make the locking lid move forward suitable position along the external screw thread, and then make the locking lid extrude the elastic jacket shrink and press from both sides the cutter tightly, and then fix anchor clamps, avoid conventional numerical control lathe tool changing to make the screw thread not hard up easily to make the cutter rock the damage that causes cutter and work piece, improved the steadiness of cutter.

2. Through the setting of installing the steel ball on fixed cover, the gaseous air inlet duct that passes through of air inlet joint gets into, and gaseous blowing slip ring slides forward and leaves the steel ball, then stimulates the installation cover backward, makes locking latin promote the steel ball rebound to make locking latin shift out from in the fixed cover, and then dismantle it, make things convenient for the staff to dismantle the installation, improved the convenience of device.

3. Through the setting of glib on the blade holder, lubricating oil in the glib can lubricate flat wire compression spring, avoids flat wire compression spring card to pause the result of use that influences the device, has improved flat wire compression spring's result of use.

4. Through the setting of installing the second wedge on the installation cover, inserting the cutter in the second slot in the installation cover, make the cutter promote second wedge rebound, and the third spring shrink, then the cutter continues to move, makes the second wedge be in the top of the recess on the cutter, and the extension is kick-backed to the third spring this moment to in making the second wedge insert the recess on the cutter, and then make things convenient for the staff to install fast the cutter fixed, improved the result of use of device.

5. Through the setting of installation push pedal in the installation cover, the cutter enters into the installation cover to promote the push pedal and remove along the second slot, the second spring shrink, thereby make the push pedal produce the effort to the cutter, avoid the cutter not hard up, make more firm that the cutter is connected, improved the stability of device.

Drawings

Fig. 1 is a schematic bottom view of an embodiment 1 of a fast tool changer of an automatic numerically controlled lathe according to the present invention;

fig. 2 is a schematic front view of a structure of an automatic numerically controlled lathe in accordance with embodiment 1 of the present invention;

FIG. 3 is a schematic cross-sectional view of a tool apron of an embodiment 1 of a rapid tool apron changing device of an automatic numerically controlled lathe according to the present invention;

FIG. 4 is an exploded view of an embodiment 1 of a quick tool changer of an automatic numerically controlled lathe according to the present invention;

fig. 5 is a schematic front view of a structure of an automatic numerically controlled lathe rapid tool changer according to embodiment 2 of the present invention;

fig. 6 is a schematic cross-sectional structural view of a mounting sleeve of an embodiment 2 of a rapid tool changer of an automatic numerically controlled lathe according to the present invention.

In the figure: 1. an air inlet joint; 2. a tool apron; 3. a shock pad; 4. fixing grooves; 5. a nozzle tip; 6. mounting holes; 7. installing a sleeve; 8. a locking cover; 9. a flat wire compression spring; 10. a slip ring; 11. a moving groove; 12. an air inlet groove; 13. fixing a sleeve; 14. a fixing plate; 15. anti-skid lines; 16. a triangular inner ring; 17. a plate hiding groove; 18. a first seal ring; 19. steel balls; 20. a second seal ring; 21. an auxiliary groove; 22. a first slot; 23. locking the latin; 24. a connecting shaft; 25. a triangular locking sleeve; 26. an external thread; 27. an elastic jacket; 28. a sliding sleeve; 29. positioning a groove; 30. pushing a plate; 31. a first chute; 32. fixing a column; 33. a first wedge block; 34. a first spring; 35. a rubber pad; 36. a second spring; 37. a second slot; 38. a third spring; 39. a second wedge block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, an automatic numerically controlled lathe fast tool changer includes a tool apron 2 and a locking latin 23, an air inlet connector 1 is fixed on an outer wall of one side of the tool apron 2 through a bolt, an air inlet slot 12 is formed inside the tool apron 2, a moving slot 11 is formed inside the tool apron 2, a flat wire compression spring 9 is slidably connected inside the moving slot 11, a sliding ring 10 is slidably connected inside the moving slot 11, the sliding ring 10 contacts with the flat wire compression spring 9, a fixing sleeve 13 is connected in a gap inside the sliding ring 10, a plurality of connecting holes are formed on one side of the fixing sleeve 13, steel balls 19 are arranged in the connecting holes, a first slot 22 is formed inside the fixing sleeve 13, the locking latin 23 is inserted into the first slot 22, a hidden plate slot 17 is formed on one side of the tool apron 2, a fixing plate 14 is clamped in the hidden plate slot 17, the fixing plate 14 is fixed with the tool apron 2, a triangular inner ring 16 is fixed on one side of the fixing plate 14 through a bolt, one side of a locking latin 23 is fixed with a connecting shaft 24 through a bolt, the outer wall of the circumference of the connecting shaft 24 is sleeved with a triangular locking sleeve 25, a triangular inner ring 16 is inserted with the triangular locking sleeve 25, the locking latin 23 and the triangular locking sleeve 25 are fixed through bolts, one side of the triangular locking sleeve 25 is fixed with a mounting sleeve 7 through bolts, gas in the gas inlet joint 1 enters through a gas inlet groove 12, the gas blows a sliding ring 10 to slide forwards and leave a steel ball 19, then the mounting sleeve 7 is pulled backwards, the locking latin 23 pushes the steel ball 19 to move upwards, so that the locking latin 23 moves out from the fixing sleeve 13 and is detached, the mounting sleeve 7 is convenient for workers to detach and mount, the mounting sleeve 7 is in contact with a fixing plate 14, the outer wall of the circumference of the mounting sleeve 7 is provided with external threads 26, and an elastic jacket 27 is inserted inside the mounting sleeve 7, one side threaded connection of external screw thread 26 has locking lid 8, insert the cutter in the elastic jacket 27, then rotate locking lid 8, make locking lid 8 along external screw thread 26 forward movement to suitable position, and then make locking lid 8 extrusion elastic jacket 27 shrink press from both sides tightly the cutter, and then fix anchor clamps, it makes the screw thread not hard up easily to avoid conventional numerical control lathe tool changing, thereby make the cutter rock and cause the damage of cutter and work piece, the circumference outer wall of sliding ring 10 bonds and has first sealing washer 18, and first sealing washer 18 contacts with blade holder 2, one side outer wall of triangle inner ring 16 bonds and has second sealing washer 20.

Particularly, in the invention, the second sealing ring 20 is in contact with the tool apron 2, an oil inlet is formed in the top of the tool apron 2, an oil nozzle 5 is fixed in the oil inlet through a bolt, lubricating oil in the oil nozzle 5 can lubricate the flat wire compression spring 9, the phenomenon that the flat wire compression spring 9 is clamped to influence the use effect of the device is avoided, a plurality of mounting holes 6 are formed in the upper surface of the tool apron 2, the mounting holes 6 are symmetrically distributed, the mounting holes 6 are convenient for workers to mount and fix the device, a plurality of auxiliary grooves 21 are formed in the outer wall of the circumference of the mounting sleeve 7, a plurality of anti-skidding threads 15 are formed in the locking cover 8, the anti-skidding threads 15 can increase the friction force between the tool and the locking cover 8, the tool is prevented from sliding, a fixing groove 4 is formed in the bottom of the tool apron 2, a shock absorption pad 3 is bonded to the bottom of the tool apron 2, the shock absorption pad 3 can absorb shock to the device, and the part is prevented from being vibrated to be easily loosened.

The working principle of the embodiment is as follows: when the tool needs to be stably installed and used, the tool penetrates through the locking cover 8 and is inserted into the elastic jacket 27, then the locking cover 8 is rotated, the locking cover 8 moves forwards to a proper position along the external thread 26, then the locking cover 8 extrudes the elastic jacket 27 to shrink so as to clamp the tool, and further the clamp is fixed, so that the problem that the conventional numerical control lathe easily loosens threads when tool changing is avoided, when the clamp seat needs to be disassembled, firstly, the air inlet connector 1 is communicated with an external pipeline, air enters the air inlet groove 12 from the air inlet connector 1, then the air blows the sliding ring 10 to move forwards and leave the steel balls 19, and extrudes the flat wire compression spring 9 to shrink, and then the mounting sleeve 7 is pulled backwards, so that the locking latin 23 pushes the steel balls 19 to move upwards along the connecting hole, and further the locking latin 23 is moved out of the fixing sleeve 13 so as to be disassembled.

Example 2

Referring to fig. 5-6, the rapid tool changer for the automatic numerically controlled lathe further includes a second slot 37, the second slot 37 is formed in the mounting sleeve 7, a second spring 36 is fixed inside the mounting sleeve 7 through a bolt, a push plate 30 is fixed on one side of the second spring 36 through a bolt, the push plate 30 is slidably connected with the second slot 37, a tool enters the mounting sleeve 7 and pushes the push plate 30 to move along the second slot 37, the second spring 36 contracts so that the push plate 30 exerts an acting force on the tool and prevents the tool from loosening, the tool is more stably connected, a positioning groove 29 is formed in the outer circumferential wall of the mounting sleeve 7, a sliding sleeve 28 is slidably connected in the positioning groove 29, a first spring 34 is fixed on one side of the sliding sleeve 28 through a bolt, the first spring 34 is fixed with the mounting sleeve 7, a first wedge 33 is fixed on one side of the sliding sleeve 28 through a bolt, a first sliding chute 31 is formed in the mounting sleeve 7, a second sliding chute 31 is connected with a second wedge 39, two third springs 38 are fixed on one side of the second wedge 39 through a bolt, the third wedge 38 is fixed with the third wedge 33 through a bolt, the third wedge 38 and the third wedge 33 is fixed on the mounting sleeve 7, a groove of the mounting sleeve, a worker can conveniently push the wedge 32, the knife can move the wedge 32 and push the knife to move the wedge 32 on the second wedge 32, and push the wedge 32, and the wedge 32.

It should be noted that the rubber pad 35 is adhered to the circumferential outer wall of the sliding sleeve 28.

The working principle of the embodiment is as follows: when the tool needs to be mounted and fixed, the tool is inserted into the second slot 37 in the mounting sleeve 7 to push the second wedge block 39 to move upwards, the third spring 38 contracts, then the tool continues to move, the second wedge block 39 is located above the groove in the tool, at this time, the third spring 38 rebounds and extends, so that the second wedge block 39 is inserted into the groove in the tool, meanwhile, the tool push plate 30 moves along the second slot 37, the second spring 36 contracts, so that the push plate 30 exerts an acting force on the tool to avoid loosening of the tool, so that the tool is more stably connected, and further, the tool is conveniently and quickly mounted and fixed by a worker, when the tool needs to be dismounted, the sliding sleeve 28 is moved, the first spring 34 contracts, the first wedge block 33 pushes the fixing column 32 to move upwards, so that the second wedge block 39 moves upwards to a proper position and leaves the tool, the third spring 38 contracts, and then the tool is pulled backwards, so that the tool moves out of the mounting sleeve 7, and the tool is dismounted.

The electrical components in the document are electrically connected with an external master controller and 220V mains supply, and the master controller can be a computer or other conventional known devices for playing a role in control.

In the description herein, it is to be noted that, unless expressly stated or limited otherwise, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be mechanical or electrical, and may be direct or indirect via an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

In the description herein, it is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The rapid tool changing seat of the automatic numerical control lathe comprises a tool apron (2) and a locking latin (23), and is characterized in that an air inlet connector (1) is fixedly connected to the outer wall of one side of the tool apron (2), an air inlet groove (12) is formed in the tool apron (2), a moving groove (11) is formed in the tool apron (2), a flat wire compression spring (9) is movably connected to the inside of the moving groove (11), a sliding ring (10) is movably connected to the inside of the moving groove (11), the sliding ring (10) is in contact with the flat wire compression spring (9), a fixing sleeve (13) is connected to the inner gap of the sliding ring (10), a plurality of connecting holes are formed in one side of the fixing sleeve (13), steel balls (19) are arranged in the connecting holes, a first slot (22) is formed in the inside of the fixing sleeve (13), the locking latin (23) is inserted into the first slot (22), a hidden plate groove (17) is formed in one side of the tool apron (2), a fixing plate (14) is clamped in the hidden plate groove (17), the fixing plate (14) is fixed with the tool apron (2), a triangle (16) is fixed to one side of the fixing plate (14), and a triangle (24) is connected with a triangular connecting shaft (24) and a triangular connecting sleeve (24) is connected to the connecting shaft (24), and triangle inner ring (16) is pegged graft mutually with triangle lock sleeve (25), and locking latin (23) and triangle lock sleeve (25) are fixed through the bolt, one side fixedly connected with installation cover (7) of triangle lock sleeve (25), and installation cover (7) contact with fixed plate (14), external screw thread (26) have been seted up to the circumference outer wall of installation cover (7), the inside swing joint of installation cover (7) has elastic jacket (27), one side swing joint of external screw thread (26) has locking lid (8), the circumference outer wall fixedly connected with first sealing washer (18) of slip ring (10), and first sealing washer (18) contact with blade holder (2), one side outer wall fixedly connected with second sealing washer (20) of triangle inner ring (16), and second sealing washer (20) contact with blade holder (2).

2. The automatic numerical control lathe fast tool changer base according to claim 1, characterized in that the top of the tool holder (2) is provided with an oil inlet, and an oil nozzle (5) is fixedly connected in the oil inlet.

3. The automatic numerical control lathe fast tool changing seat according to claim 2, characterized in that a plurality of mounting holes (6) are formed in the upper surface of the tool holder (2), and the mounting holes (6) are symmetrically distributed.

4. The automatic numerical control lathe fast tool changing seat as claimed in claim 3, characterized in that the circumferential outer wall of the mounting sleeve (7) is provided with a plurality of auxiliary grooves (21), and the inside of the locking cover (8) is provided with a plurality of anti-skid threads (15).

5. The automatic numerical control lathe fast tool changing seat according to claim 3, characterized in that a fixing groove (4) is formed in the bottom of the tool holder (2), and a shock pad (3) is fixedly connected to the bottom of the tool holder (2).

6. The automatic quick tool changer of the numerical control lathe of claim 4, further comprising a second slot (37), wherein the second slot (37) is formed in the mounting sleeve (7), a second spring (36) is fixedly connected to the inside of the mounting sleeve (7), a push plate (30) is fixedly connected to one side of the second spring (36), the push plate (30) is slidably connected to the second slot (37), a positioning groove (29) is formed in the outer wall of the circumference of the mounting sleeve (7), a sliding sleeve (28) is movably connected to the inside of the positioning groove (29), a first spring (34) is fixedly connected to one side of the sliding sleeve (28), the first spring (34) is fixed to the mounting sleeve (7), a first wedge block (33) is fixedly connected to one side of the sliding sleeve (28), a first sliding groove (31) is formed in the inside of the mounting sleeve (7), a second wedge block (39) is movably connected to the inside of the first sliding groove (31), two third springs (38) are fixedly connected to one side of the second wedge block (39), a third spring (38) is in contact with the fixing column (32), and the top of the fixing column (32) is in contact with the wedge block (33).

7. The automatic numerical control lathe fast tool changer according to claim 6, characterized in that a rubber pad (35) is fixedly connected to the circumferential outer wall of the sliding sleeve (28).