A tool sleeve clamping device for a chain-type tool magazine

Abstract

The present invention belongs to the technical field of tool magazine equipment, and is particularly a tool sleeve clamping device for a chain-type tool magazine. In view of the problem that the tool sleeve of the current tool magazine has poor adjustment effect and relatively large loss when fixing the tool, the following scheme is proposed, including a chain belt fixing base, and the circumferential position of the chain belt fixing base is provided with array-distributed fixing bolt holes. When fixing the tool on the tool sleeve body, the present invention directly inserts the tool into the tool fixing hole, and the bottom of the tool is inserted into the tool fixing bottom cylinder. By rotating the first adjusting nut, the spherical structure of the three top fixing push rods is engaged with the ball groove of the outer wall of the tool to support and fix the tool, and the tool offset can be adjusted through the bottom of the tool. The bottom of the tool is inserted into the tool fixing bottom cylinder, and the position of the sealing push block is moved by rotating and adjusting the three second adjusting nuts. The interior of the hydraulic oil chamber is filled with hydraulic oil, and the height of the top fixed bottom cylinder adjustment column is adjusted.

Description

Technical Field

[0001] The invention relates to the technical field of tool magazine equipment, and in particular to a tool sleeve clamping device for a chain-type tool magazine. Background Art

[0002] The tool magazine system is a device that provides the tool storage and tool changing needs required in the automated processing process. Its automatic tool changing mechanism and tool magazine that can store multiple tools have changed the traditional human-oriented production method. Through the control of computer programs, it can complete various processing needs, such as milling, drilling, boring, tapping, etc., greatly shortening the processing schedule and reducing production costs. When the tool magazine system is in use, various machined tools are stored in the tool magazine, but the tools are fixed in the tool sleeves that come with the tool magazine when they are put into storage.

[0003] The existing tool sleeve has the following problems when fixing the tool: when fixing the tool, the existing tool sleeve of the tool magazine directly inserts the tool into the hole opened in the tool sleeve, that is, after the tool is inserted into the tool sleeve, it can only be fixed by bolts, but the tool cannot be adjusted for offset. After long-term use, the axial hole position of the tool sleeve is missing due to the offset of the tool shaft rod, resulting in errors, which requires the entire tool sleeve to be replaced. Therefore, when fixing the tool, the existing tool sleeve of the tool magazine has poor adjustment effect and is more prone to loss. It is not easy to solve such problems with the existing technology. Therefore, there is an urgent need for a tool sleeve clamping device for a chain-type tool magazine to solve the above problems. Summary of the invention

[0004] Based on the technical problem that the tool sleeve of the existing tool magazine has poor adjustment effect and relatively large loss when fixing the tool, the present invention proposes a tool sleeve clamping device for a chain-type tool magazine.

[0005] The present invention provides a tool sleeve clamping device for a chain-type tool magazine, comprising a chain belt fixing base, a circumferential position of the chain belt fixing base is provided with fixing bolt holes distributed in an array, a rotating base is installed on the top of the chain belt fixing base, a tool sleeve clamping seat is installed on the top of the rotating base, a connecting hinge plate is fixed to the circumferential position of the rotating base and the tool sleeve clamping seat by bolts, a tool sleeve clamping seat is provided with a tool sleeve clamping groove on the top, a tool sleeve body is clamped on the top of the tool sleeve clamping seat, a vertically arranged tool fixing hole is provided on the top of the tool sleeve body at the axial center line position, a top fixing mechanism is provided on the top of the tool sleeve body, and a bottom adjusting mechanism is provided at the bottom position of the tool sleeve body;

[0006] The top fixing mechanism comprises three top fixing adjustment grooves arranged in a circumferential array on the top of the knife sleeve body, the interiors of the three top fixing adjustment grooves are all threadedly installed with first adjustment nuts, and the ends of the first adjustment nuts are rotatably installed with top fixing ejector rods through bearings;

[0007] One end of the top fixing rod located inside the tool fixing hole is spherical, the outer wall of the tool is provided with a ball groove, and the spherical end of the top fixing rod is in contact with the ball groove of the tool;

[0008] The bottom adjustment mechanism comprises three array-distributed hydraulic oil chambers opened at the circumferential position of the tool sleeve body, the top of the hydraulic oil chamber is connected with the inside of the tool fixing hole, and a fixed bottom cylinder adjustment column is slidably installed at the top position of the hydraulic oil chamber, a first sealing block is arranged at the bottom of the fixed bottom cylinder adjustment column, and the first sealing block sealing sleeve is arranged inside the hydraulic oil chamber, and the top of the three fixed bottom cylinder adjustment columns is installed with the same tool fixed bottom cylinder;

[0009] A second adjusting nut is threadedly installed at one end of the bottom of the hydraulic oil chamber, a sealing push block is installed at one end of the second adjusting nut through a bearing, a second sealing block is provided at one end of the sealing push block, the second sealing block is sealingly and slidingly sleeved with the inner wall of the hydraulic oil chamber, one end of the second adjusting nut is provided as an adjusting bottom hole, and the inner wall of the hydraulic oil chamber is filled with hydraulic oil.

[0010] Preferably, a rotating circular card slot is provided at the middle position of the top of the chain belt fixing base, a rotating circular card seat is fixed at the bottom of the rotating base, and the rotating circular card seat is rotatably installed inside the rotating circular card slot.

[0011] Preferably, a circular groove inner gear ring is fixed at the bottom position of the inner wall of the rotating circular groove, a motor chamber is opened in the circumferential position of the rotating circular card seat, a driving motor is installed in the motor chamber, and a driving gear is fixed on the output shaft of the driving motor. The driving gear protrudes out of the circumferential position of the rotating circular card seat, and the driving gear is meshed with the inner wall tooth groove of the circular groove inner gear ring.

[0012] Preferably, two limit roller chambers are provided on the circumferential outer wall of the rotating circular card seat, and limit rollers are installed inside the two limit roller chambers through bearings. The horizontal positions of the two limit rollers are higher than the driving gears, and limit rings corresponding to the limit rollers are arranged inside the rotating circular card slot, and the two limit rollers are installed in a rolling manner with the limit rings.

[0013] Preferably, a push rod chamber is opened at the top of the rotating base, an electric push rod is hingedly installed inside the push rod chamber, and the top of the electric push rod is hingedly installed with the bottom of the tool sleeve clamp seat.

[0014] Preferably, the circumferential outer wall of the fixed bottom cylinder adjusting column is sleeved with a first sealing gasket, and the first sealing gasket is in contact and sealed with the inner wall of the hydraulic oil chamber, and the circumferential outer wall of the sealing push block is sleeved with two second sealing gaskets, and the two second sealing gaskets are in contact with the inner wall of the hydraulic oil chamber.

[0015] The beneficial effects of the present invention are:

[0016] The tool sleeve clamping device for the chain-type tool magazine, when fixing the tool on the tool sleeve body, directly inserts the tool into the tool fixing hole, and the bottom of the tool is inserted into the tool fixing bottom cylinder. By rotating the first adjusting nut, the spherical structure of the three top fixing push rods is engaged with the ball groove of the outer wall of the tool to support and fix the tool, and the tool offset can be adjusted through the bottom of the tool. The bottom of the tool is inserted into the tool fixing bottom cylinder, and the position of the sealing push block is moved by rotating and adjusting the three second adjusting nuts. The interior of the hydraulic oil chamber is filled with hydraulic oil, and the height of the top fixed bottom cylinder adjustment column is adjusted.

[0017] The tool sleeve clamping device used in the chain-type tool magazine directly takes out the tool sleeve body for use when taking out the tool from the machine tool. During the use of the tool, the driving motor inside the rotating circular clamping seat drives the driving gear to rotate, and the driving gear engages with the gear ring in the circular clamping groove, so that the rotating base rotates as a whole, and the corresponding tool is adjusted to a suitable angle. The tool sleeve clamping seat is lifted up by extending the electric push rod, so that the tool is extended at ninety degrees, which is convenient for taking out the tool by the tool changing assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the structure of a tool sleeve clamping seat of a tool sleeve clamping device for a chain-type tool magazine proposed by the present invention;

[0019] Figure 2 A schematic diagram of the partial structure of a tool sleeve clamping seat of a tool sleeve clamping device for a chain-type tool magazine proposed by the present invention;

[0020] Figure 3 A schematic cross-sectional view of a tool sleeve body structure of a tool sleeve clamping device for a chain-type tool magazine proposed by the present invention;

[0021] Figure 4 A tool sleeve clamping device for a chain-type tool magazine proposed by the present invention Figure 3 A schematic diagram of the enlarged structure of part A;

[0022] Figure 5 A schematic diagram of a partial cross-sectional structure of a tool sleeve body of a tool sleeve clamping device for a chain-type tool magazine proposed by the present invention;

[0023] Figure 6 A tool sleeve clamping device for a chain-type tool magazine proposed by the present invention Figure 5 Schematic diagram of the enlarged structure of part B.

[0024] In the figure: 1. Chain belt fixed base; 2. Rotating base; 3. Connecting hinge plate; 4. Tool sleeve clamp seat; 5. Electric push rod; 6. Rotating circular card slot; 7. Gear ring in the circular card slot; 8. Driving gear; 9. Limit roller; 10. Rotating circular card seat; 11. Tool sleeve card slot; 12. Tool sleeve body; 13. Top fixed adjustment slot; 14. First adjustment nut; 15. Top fixed push rod; 16. Tool fixing hole; 17. Hydraulic oil chamber; 18. Tool fixing bottom cylinder; 19. First sealing block; 20. Fixed bottom cylinder adjustment column; 21. Second sealing block; 22. Sealing push block; 23. Adjustment bottom hole; 24. Second adjustment nut; 25. Second sealing gasket; 26. First sealing gasket. DETAILED DESCRIPTION

[0025] Reference Figure 1-Figure 6 A tool sleeve clamping device for a chain-type tool magazine comprises a chain belt fixing base 1, a circumferential position of the chain belt fixing base 1 is provided with an array of fixing bolt holes, a rotating base 2 is installed on the top of the chain belt fixing base 1, a tool sleeve clamping seat 4 is installed on the top of the rotating base 2, a connecting hinge plate 3 is fixed to the circumferential position of the rotating base 2 and the tool sleeve clamping seat 4 by bolts, a tool sleeve clamping groove 11 is opened on the top of the tool sleeve clamping seat 4, a tool sleeve body 12 is clamped on the top of the tool sleeve clamping seat 4, a vertically arranged tool fixing hole 16 is opened on the top of the tool sleeve body 12 at the axis center line position, a top fixing mechanism is provided on the top of the tool sleeve body 12, and a bottom adjustment mechanism is provided at the bottom position of the tool sleeve body 12;

[0026] The top fixing mechanism includes three top fixing adjustment grooves 13 arranged in a circumferential array on the top of the knife sleeve body 12, the interiors of the three top fixing adjustment grooves 13 are all threadedly installed with first adjustment nuts 14, and the ends of the first adjustment nuts 14 are rotatably installed with top fixing push rods 15 through bearings;

[0027] One end of the top fixing rod 15 located inside the tool fixing hole 16 is spherical, the outer wall of the tool is provided with a ball groove, and the spherical end of the top fixing rod 15 is in contact with the ball groove of the tool;

[0028] The bottom adjustment mechanism includes three array-distributed hydraulic oil chambers 17 opened at the circumferential position of the tool sleeve body 12, the top of the hydraulic oil chamber 17 is connected with the inside of the tool fixing hole 16, and a fixed bottom cylinder adjustment column 20 is slidably installed at the top position of the hydraulic oil chamber 17, and a first sealing block 19 is provided at the bottom of the fixed bottom cylinder adjustment column 20. The sealing sleeve of the first sealing block 19 is arranged inside the hydraulic oil chamber 17, and the top of the three fixed bottom cylinder adjustment columns 20 is installed with the same tool fixed bottom cylinder 18;

[0029] A second adjusting nut 24 is threadedly installed at one end of the bottom of the hydraulic oil chamber 17, a sealing push block 22 is installed at one end of the second adjusting nut 24 through a bearing, a second sealing block 21 is provided at one end of the sealing push block 22, the second sealing block 21 is sealingly slidably sleeved with the inner wall of the hydraulic oil chamber 17, one end of the second adjusting nut 24 is provided as an adjusting bottom hole 23, and the inner wall of the hydraulic oil chamber 17 is filled with hydraulic oil.

[0030] Furthermore, a rotating circular card slot 6 is provided at the middle position of the top of the chain belt fixing base 1 , and a rotating circular card seat 10 is fixed at the bottom of the rotating base 2 , and the rotating circular card seat 10 is rotatably installed inside the rotating circular card slot 6 .

[0031] Furthermore, a circular groove inner gear ring 7 is fixed at the bottom position of the inner wall of the rotating circular groove 6, a motor chamber is opened at the circumferential position of the rotating circular clamping seat 10, a driving motor is installed in the motor chamber, and a driving gear 8 is fixed to the output shaft of the driving motor. The driving gear 8 protrudes from the circumferential position of the rotating circular clamping seat 10, and the driving gear 8 is meshed with the inner wall tooth groove of the circular groove inner gear ring 7; during the use of the tool, the driving motor inside the rotating circular clamping seat 10 drives the driving gear 8 to rotate, and the driving gear 8 is meshed with the circular groove inner gear ring 7, so that the rotating base 2 rotates as a whole, and the corresponding tool is adjusted to a suitable angle.

[0032] Furthermore, two limit roller chambers are provided on the circumferential outer wall of the rotating circular clamping seat 10, and limit rollers 9 are installed inside the two limit roller chambers through bearings. The horizontal positions of the two limit rollers 9 are higher than the driving gear 8, and limit rings corresponding to the limit rollers 9 are provided inside the rotating circular clamping groove 6, and the two limit rollers 9 are installed in a rolling manner with the limit rings; the limit rollers 9 are clamped with the internal limit rings to ensure the stability of the rotating base 2 during rotation, prevent the rotating base 2 from being offset, and also ensure the stability of the tool in a fixed position.

[0033] Furthermore, a push rod chamber is provided at the top of the rotating base 2 , and an electric push rod 5 is hingedly installed inside the push rod chamber, and the top of the electric push rod 5 is hingedly installed with the bottom of the tool sleeve clamping seat 4 .

[0034] Furthermore, a first sealing gasket 26 is sleeved on the circumferential outer wall of the fixed bottom cylinder adjusting column 20, and the first sealing gasket 26 is in contact and sealed with the inner wall of the hydraulic oil chamber 17, and two second sealing gaskets 25 are sleeved on the circumferential outer wall of the sealing push block 22, and the two second sealing gaskets 25 are in contact with the inner wall of the hydraulic oil chamber 17.

[0035] When the present invention is used: before use, the chain belt fixing base 1 is fixed to the chain belt of the chain tool magazine by bolts, and multiple tool sleeve clamping devices are fixed to the chain belt tool magazine. The tool sleeve clamping groove 11 of each tool sleeve clamping device is clamped and fixed with a tool sleeve body 12, so that the storage and fixation of multiple tool magazines are realized. When the tools are stored, the tools are clamped on the tool sleeve body 12, and the tool sleeve body 12 is clamped in the tool sleeve clamping groove 11. When the machine tool takes out the tool, the tool sleeve body 12 is directly taken out for use. During the use of the tool, the driving motor inside the rotating circular clamping seat 10 drives the driving gear 8 to rotate, and the driving gear 8 is engaged with the gear ring 7 in the circular clamping groove, so that the overall rotation of the rotating base 2 is achieved. The corresponding tool is adjusted to a suitable angle, and the tool sleeve clamping seat 4 is lifted up by the extension of the electric push rod 5, so that the tool is extended at ninety degrees, which is convenient for taking out the tool of the tool changing assembly; when the tool is fixed on the tool sleeve body 12, the tool is directly inserted into the tool fixing Inside the hole 16, the bottom of the tool is inserted into the tool fixing bottom cylinder 18, and the spherical structure of the three top fixing push rods 15 is engaged with the ball groove of the outer wall of the tool by rotating the first adjusting nut 14 to support and fix the tool, and the tool offset can be adjusted through the bottom of the tool. The bottom of the tool is inserted into the tool fixing bottom cylinder 18, and the position of the sealing push block 22 is moved by rotating and adjusting the three second adjusting nuts 24. The interior of the hydraulic oil chamber 17 is filled with hydraulic oil, and the height of the top fixed bottom cylinder adjusting column 20 is adjusted. In the process of adjusting the tool, probe detection is required to ensure the installation accuracy of the tool. The probe is placed on the outer wall of the tool shaft, and the tool is rotated for adjustment. The three second adjusting nuts 24 at the bottom are adjusted separately until the probe's jump value is within the threshold range. The adjusted tool and the tool sleeve body 12 are a whole, which can be installed on the tool sleeve clamp 4 and loaded into the tool magazine for use.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A tool sleeve clamping device for a chain-type tool magazine, comprising a chain belt fixing base (1), wherein the chain belt fixing base (1) is provided with fixing bolt holes distributed in an array at the circumference thereof, characterized in that: A rotating base (2) is installed on the top of the chain belt fixed base (1), a knife sleeve clamp seat (4) is installed on the top of the rotating base (2), a connecting hinge plate (3) is fixed to the circumferential position of the rotating base (2) and the knife sleeve clamp seat (4) by bolts, a knife sleeve clamping groove (11) is provided on the top of the knife sleeve clamp seat (4), a knife sleeve body (12) is clamped on the top of the knife sleeve clamp seat (4), a vertically arranged tool fixing hole (16) is provided on the top of the knife sleeve body (12) at the axis center line position, a top fixing mechanism is provided on the top of the knife sleeve body (12), and a bottom adjustment mechanism is provided at the bottom position of the knife sleeve body (12); The top fixing mechanism comprises three top fixing adjustment grooves (13) arranged in a circumferential array and opened on the top of the knife sleeve body (12); the interiors of the three top fixing adjustment grooves (13) are all threadedly mounted with first adjustment nuts (14); and the ends of the first adjustment nut (14) are rotatably mounted with a top fixing push rod (15) via a bearing; One end of the top fixing rod (15) located inside the tool fixing hole (16) is spherically arranged, the outer wall of the tool is provided with a ball groove, and the spherical end of the top fixing rod (15) is in contact with the ball groove of the tool; The bottom adjustment mechanism comprises three hydraulic oil chambers (17) arranged in an array and opened at circumferential positions of the tool sleeve body (12); the top of the hydraulic oil chamber (17) is connected to the inside of the tool fixing hole (16); a fixed bottom cylinder adjustment column (20) is slidably mounted at the top of the hydraulic oil chamber (17); a first sealing block (19) is arranged at the bottom of the fixed bottom cylinder adjustment column (20); a sealing sleeve of the first sealing block (19) is arranged inside the hydraulic oil chamber (17); and the tops of the three fixed bottom cylinder adjustment columns (20) are mounted with the same tool fixing bottom cylinder (18); A second adjusting nut (24) is threadedly mounted on one end of the bottom of the hydraulic oil chamber (17); a sealing push block (22) is mounted on one end of the second adjusting nut (24) via a bearing; a second sealing block (21) is disposed at one end of the sealing push block (22); the second sealing block (21) is sealingly slidably sleeved with the inner wall of the hydraulic oil chamber (17); one end of the second adjusting nut (24) is disposed as an adjusting bottom hole (23); and the inner wall of the hydraulic oil chamber (17) is filled with hydraulic oil; A rotating circular card slot (6) is provided at the middle position of the top of the chain belt fixing base (1), and a rotating circular card seat (10) is fixed at the bottom of the rotating base (2), and the rotating circular card seat (10) is rotatably mounted inside the rotating circular card slot (6); A circular groove inner gear ring (7) is fixed at the bottom of the inner wall of the rotating circular groove (6); a motor chamber is opened at the circumferential position of the rotating circular clamp seat (10); a driving motor is installed in the motor chamber; a driving gear (8) is fixed to the output shaft of the driving motor; the driving gear (8) protrudes from the circumferential position of the rotating circular clamp seat (10), and the driving gear (8) is meshed with the inner wall gear groove of the circular groove inner gear ring (7); The circumferential outer wall of the rotating circular card seat (10) is provided with two limit roller chambers, and the limit rollers (9) are installed inside the two limit roller chambers through bearings. The horizontal positions of the two limit rollers (9) are higher than the driving gear (8), and the inside of the rotating circular card slot (6) is provided with a limit ring corresponding to the limit roller (9), and the two limit rollers (9) are rollingly installed with the limit ring.

2. The tool sleeve clamping device for a chain-type tool magazine according to claim 1, characterized in that: A push rod chamber is provided at the top of the rotating base (2), an electric push rod (5) is hingedly mounted inside the push rod chamber, and the top of the electric push rod (5) is hingedly mounted to the bottom of the tool sleeve clamping seat (4).

3. The tool sleeve clamping device for a chain-type tool magazine according to claim 1, characterized in that: The circumferential outer wall of the fixed bottom cylinder adjusting column (20) is sleeved with a first sealing gasket (26), and the first sealing gasket (26) is in contact and sealed with the inner wall of the hydraulic oil chamber (17); the circumferential outer wall of the sealing push block (22) is sleeved with two second sealing gaskets (25), and the two second sealing gaskets (25) are in contact with the inner wall of the hydraulic oil chamber (17).

Images