CN113042784A

CN113042784A - Mould is made processing and is supported drive arrangement with mould drill bit

Info

Publication number: CN113042784A
Application number: CN202110275726.6A
Authority: CN
Inventors: 裘钧; 李军
Original assignee: Taizhou University
Current assignee: Taizhou University
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-06-29
Anticipated expiration: 2041-03-15
Also published as: CN113042784B

Abstract

The invention discloses a mold drill bit supporting and driving device for mold manufacturing and machining, which comprises a shell, a rotating seat, a motor, a planetary gear mechanism, a braking mechanism and a transmission shaft, wherein the rotating seat is relatively rotatably arranged on the shell, the shell is arranged on a movable arm of a mechanical arm or a machine tool, a mold machining drill bit is arranged at the lower end of the rotating seat, the planetary gear mechanism is arranged on the shell and the rotating seat, the braking mechanism and the transmission shaft are both arranged on the shell, the motor is fixed at the upper end of the shell through a support rod, a rotor of the motor is connected with the transmission shaft, a chuck is arranged at the lower end of the rotating seat, and a clamping groove is formed at the. The transmission system of the drill bit is set to be the planetary gear mechanism and the brake mechanism, so that the transmission efficiency is high, the energy loss is small, the maximum resistance borne by the drill bit can be set, the drill bit and the mold are prevented from being damaged due to large stress of the drill bit, and the drilling quality of the mold is greatly improved.

Description

Mould is made processing and is supported drive arrangement with mould drill bit

Technical Field

The invention relates to the technical field of mold production and processing, in particular to a mold drill bit supporting and driving device for mold manufacturing and processing.

Background

In short, the mold is a tool for manufacturing a molded article, the tool is composed of various parts, different molds are composed of different parts, the processing of the shape of the article is realized mainly by changing the physical state of the molded material, and the tool can make a blank into a workpiece with a specific shape and size under the action of external force, and is widely used for blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting, and the molding processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like.

Mould processing can improve production machining efficiency greatly, can improve product quality's stability simultaneously, the mould is owing to constantly bear the impact in production and processing, effects such as high temperature and high pressure, therefore the mould material itself needs to have high intensity, and in order to guarantee product appearance quality, the mould still needs to have very high precision, consequently when holing to the mould, the drill bit need bear higher resistance, the drilling difficulty, often damage the drill bit, and the drilling can lead to whole mould to scrap if there is the problem, consequently, need for a drill bit to support drive arrangement and solve above-mentioned problem urgently.

Disclosure of Invention

The present invention is directed to a mold drill supporting and driving device for mold manufacturing, which solves the above problems of the prior art.

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

the utility model provides a mould is made processing and is supported drive arrangement with mould drill bit, includes casing, roating seat and motor, still includes planetary gear mechanism, arrestment mechanism and transmission shaft, the roating seat is rotatory relatively and installs on the casing, and the casing is installed on the swing arm of arm or lathe, the mould processing drill bit is installed to the roating seat lower extreme, planetary gear mechanism installs on casing and roating seat, and arrestment mechanism and transmission shaft are all installed on the casing, and the motor passes through the bracing piece to be fixed in the casing upper end, and the rotor and the transmission shaft of motor are connected, the lower extreme of roating seat is provided with the chuck, and the double-layered groove has been.

As a further scheme of the invention: the shell is of a cylindrical hollow structure with an opening at the lower end, the middle of the upper end of the shell is provided with a rotary drum, the lower end of the rotary drum penetrates through the upper end face of the shell, the inner side of the lower end of the shell is provided with a limiting ring, the limiting ring is clamped on the inner wall of the lower end of the shell, the middle of the inner side of the shell is provided with a retaining ring, the retaining ring and the limiting ring are both of annular sheet structures, and a rotary seat is arranged in the shell between the retaining ring and the limiting.

As a further scheme of the invention: both ends all are provided with first step groove about the roating seat outside, install first bearing, two in the first step groove the outer lane of first bearing is installed in the casing, the outer lane and the shells inner wall direct contact of first bearing, roating seat and casing direct contact not, the upper end of roating seat is provided with the stand, and the stand is annular equipartition in the upper end of roating seat, the bottom of stand is provided with the base, and the upper end of stand is provided with the draw-in groove.

As a further scheme of the invention: the planetary gear mechanism is arranged in the shell above the retainer ring and comprises a gear ring, a planet wheel and a sun wheel, the gear ring is arranged at the upper end of the retainer ring, and the outer edge of the gear ring is in clearance fit with the inner wall of the shell.

As a further scheme of the invention: the planet wheel corresponds and installs on the stand on the roating seat, constitute the planet carrier of planet wheel between roating seat and the stand, planet wheel and ring gear meshing, through the installation of second bearing between planet wheel and the stand, the inner circle suit of second bearing is on the stand, and the base provides the location for the second bearing and supports, the planet wheel suit is on the outer lane of second bearing, the second bearing top all is provided with the snap ring, the snap ring is installed in the draw-in groove on the stand.

As a further scheme of the invention: the sun wheel is arranged between the planet wheels, the sun wheel is meshed with all the planet wheels at the same time, and the sun wheel is arranged at the lower end of the transmission shaft.

As a further scheme of the invention: and the upper end and the lower end of the gear ring are both provided with second friction plates, and the upper end surface of the check ring is provided with a first friction plate.

As a further scheme of the invention: the brake mechanism is installed in the casing of retaining ring top, brake mechanism includes clamping ring, guide post and pneumatic cylinder, the clamping ring is ring shape, and the clamping ring is installed in the ring gear upper end, and the clamping ring is the same with ring gear cross-sectional shape size, and the lower extreme of clamping ring is provided with the third friction disc.

As a further scheme of the invention: the clamping ring upper end equipartition has four guide posts, be provided with the connecting block between the guide post, every the guide hole has all been seted up on the casing of guide post and connecting block correspondence top, and the guide post is installed in the guide hole, the guide hole top that the connecting block corresponds is provided with the pneumatic cylinder, the pneumatic cylinder is installed in the casing upper end, and the telescopic link in the pneumatic cylinder passes the guide hole and is connected with the connecting block.

As a further scheme of the invention: the transmission shaft is provided with a second stepped groove, a third bearing is arranged in the second stepped groove, an outer ring of the third bearing is matched with the rotary drum, the upper end of the transmission shaft is provided with a connecting rod, the transmission shaft is connected with a rotor of the motor through the connecting rod, and the connecting rod is a flexible rod.

Compared with the prior art, the invention has the beneficial effects that: the transmission system of the drill bit is set to be a planetary gear mechanism and a brake mechanism, the transmission efficiency is high, the energy loss is small, the gear ring is clamped through the brake mechanism, the gear ring cannot rotate, the sun gear rotates under the driving of the motor and then drives a planetary gear meshed with the sun gear to rotate, the planetary gear is meshed with the gear ring and revolves around the sun gear while rotating, so that the rotary base is driven to rotate through the upright post, the drill bit arranged below is driven to rotate after the rotary base rotates, when the drill bit is accidentally stressed too much during working, the resistance of the rotary base is increased, meanwhile, the torque applied to the gear ring through the planetary gear is increased, when the gear ring bears the torque applied by the planetary gear and is larger than the friction resistance torque, the gear ring rotates, the rotary base and the drill bit stops rotating, and the maximum resistance borne by the drill bit can be set by adjusting the pressure, the drill bit and the die are prevented from being damaged due to the fact that the drill bit is stressed greatly, and the drilling quality of the die is improved greatly.

Drawings

Fig. 1 is a schematic perspective view of a mold drill supporting and driving device for mold manufacturing.

Fig. 2 is an exploded perspective view of a three-dimensional structure of a mold drill supporting and driving device for mold manufacturing.

Fig. 3 is an exploded perspective view of a three-dimensional structure of a mold drill support driving device for mold manufacturing.

Fig. 4 is a schematic sectional view of a housing of a mold drill supporting and driving device for mold manufacturing.

Fig. 5 is a schematic perspective view of a rotary base in a mold drill supporting and driving device for mold manufacturing.

In the figure: 1. a housing; 2. a rotating base; 3. a planetary gear mechanism; 4. a brake mechanism; 5. a drive shaft; 6. a motor; 11. a limiting ring; 12. a retainer ring; 13. a first friction plate; 14. a rotating drum; 15. a guide hole; 21. a first step groove; 22. a column; 23. a base; 24. a card slot; 25. a chuck; 26. a clamping groove; 27. a first bearing; 31. a ring gear; 32. a second friction plate; 33. a planet wheel; 34. a second bearing; 35. a snap ring; 36. a sun gear; 41. pressing a ring; 42. a guide post; 43. connecting blocks; 44. a third friction plate; 45. a hydraulic cylinder; 46. a telescopic rod; 51. a second stepped groove; 52. a third bearing; 53. a connecting rod.

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.

Referring to fig. 1-5, a mold drill supporting and driving device for mold manufacturing includes a housing 1, a rotary base 2, a planetary gear mechanism 3, a brake mechanism 4 and a transmission shaft 5, the rotary seat 2 is relatively rotatably arranged on a shell 1, the shell 1 is arranged on a mechanical arm or a movable arm of a machine tool, the shell 1 is driven to move by a mechanical arm and a movable arm of a machine tool, a mold processing drill bit is arranged at the lower end of the rotary seat 2, used for processing a die to be processed, the planetary gear mechanism 3 is arranged on the shell 1 and the rotating seat 2, the brake mechanism 4 and the transmission shaft 5 are both arranged on the shell 1, the planetary gear mechanism 3 and the transmission shaft 5 are used for transmitting torque to the drill bit to drive the drill bit to rotate, thereby processing the mould, the brake mechanism 4 is used for limiting the maximum torque of the drill bit and avoiding damaging the drill bit and the mould when the drill bit is clamped.

As shown in fig. 4, the housing 1 is a cylindrical hollow structure with an open lower end, a rotary drum 14 is arranged in the middle of the upper end of the housing 1, the lower end of the rotary drum 14 passes through the upper end surface of the housing 1, a transmission shaft 5 is installed in the rotary drum 14, a motor 6 is installed at the upper end of the rotary drum 14, the motor 6 is fixed at the upper end of the housing 1 through a support rod, a rotor of the motor 6 is connected with the transmission shaft 5, the transmission shaft 5 is driven to rotate by the motor 6, a limit ring 11 is arranged inside the lower end of the housing 1, the limit ring 11 is clamped on the inner wall of the lower end of the housing 1, a retaining ring 12 is arranged in the middle of the inner side of the housing 1, the retaining ring 12 and the limit ring 11 are both in a circular sheet structure, a rotary base 2 is installed in the housing 1 between the retaining ring 12 and the limit ring 11, the outer rings of the two first bearings 27 are installed in the housing 1, the outer rings of the first bearings 27 are in direct contact with the inner wall of the housing 1, the rotary base 2 is not in direct contact with the housing 1, so that the rotary base 2 is rotatably installed in the housing 1 through the first bearings 27, and the limit ring 11 can limit the first bearings 27 in the housing 1, so that the rotary base 2 is limited in the housing 1.

As shown in fig. 5, the upper end of roating seat 2 is provided with four stands 22, and four stands 22 are the annular equipartition in the upper end of roating seat 2, the bottom of stand 22 is provided with base 23, and the upper end of stand 22 is provided with draw-in groove 24, the lower extreme of roating seat 2 is provided with chuck 25, chuck 25 is used for the centre gripping drill bit, and the lower extreme of chuck 25 has seted up double-layered groove 26, and the upper end of drill bit is inserted and is pressed from both sides fastening in groove 26, and the rotation through roating seat 2 drives the drill bit and rotates to process the mould.

The planetary gear mechanism 3 and the brake mechanism 4 are installed in the casing 1 above the retainer ring 12, the planetary gear mechanism 3 includes a gear ring 31, a planetary gear 33 and a sun gear 36, the gear ring 31 is installed at the upper end of the retainer ring 12, the outer edge of the gear ring 31 is in clearance fit with the inner wall of the casing 1, so that the gear ring 31 can freely rotate inside the casing 1, the planetary gear 33 is correspondingly installed on four columns 22 on the rotary base 2, a planetary carrier of the planetary gear 33 is formed between the rotary base 2 and the columns 22, the planetary gear 33 is engaged with the gear ring 31 and can be mutually driven, the planetary gear 33 and the columns 22 are installed through a second bearing 34, the inner ring of the second bearing 34 is sleeved on the columns 22, the base 23 provides positioning support for the second bearing 34, the installation accuracy of the second bearing 34 and the planetary gear 33 is ensured, the planetary gear 33 is sleeved on, make planet wheel 33 can free rotation on stand 22, second bearing 34 top all is provided with snap ring 35, snap ring 35 installs in the draw-in groove 24 on stand 22, can prevent after the installation of snap ring 35 that second bearing 34 from droing from stand 22, improves planetary gear mechanism 3's stability, sun gear 36 sets up between four planet wheels 33, and sun gear 36 meshes with four planet wheels 33 simultaneously, can drive four planet wheels 33 simultaneously after sun gear 36 rotates and rotate, sun gear 36 installs the lower extreme at transmission shaft 5, drives sun gear 36 through transmission shaft 5 and rotates.

The brake mechanism 4 comprises a pressure ring 41, guide columns 42 and a hydraulic cylinder 45, wherein the pressure ring 41 is circular, the pressure ring 41 is arranged at the upper end of a gear ring 31, the pressure ring 41 and the gear ring 31 are identical in cross-sectional shape and size, four guide columns 42 are uniformly distributed at the upper end of the pressure ring 41, a connecting block 43 is arranged between the guide columns 42, each guide column 42 and the connecting block 43 correspond to the upper portion of a shell 1 and are provided with a guide hole 15, the guide columns 42 are arranged in the guide holes 15 and can slide up and down in the guide holes 15, so that the pressure ring 41 and the shell 1 are connected, the hydraulic cylinder 45 is arranged above the guide hole 15 corresponding to the connecting block 43, the hydraulic cylinder 45 is arranged at the upper end of the shell 1, a telescopic rod 46 in the hydraulic cylinder 45 penetrates through the guide holes 15 to be connected with the connecting block 43, the telescopic rod 46 can drive, the gear ring 31 can not rotate, the motor 6 drives the sun gear 36 to rotate through the transmission shaft 5, the sun gear 36 drives the planet gear 33 meshed with the sun gear to rotate after rotating, when the gear ring 31 is pressed by the pressing ring 41 and can not rotate, the planet gear 33 is meshed with the gear ring 31 and revolves around the sun gear 36 while rotating, so that the rotary base 2 is driven to rotate through the upright post 22, the drill bit arranged below is driven to rotate after the rotary base 2 rotates, when the drill bit is accidentally stressed too much during working, the resistance of the rotary base 2 is increased, meanwhile, the torque applied to the gear ring 31 through the planet gear 33 is increased, when the gear ring 31 bears the torque applied by the planet gear 33 and is larger than the friction resistance torque of the pressing ring 41, the gear ring 31 can rotate, the rotary base 2 and the drill bit can stop rotating, the friction resistance of the pressing ring 41 to the gear ring 31 is changed by changing the pressure, therefore, through setting up the pressure of pneumatic cylinder 45 to clamping ring 41, can set up the maximum resistance that the drill bit bore, prevent that drill bit atress is great to lead to drill bit and mould impaired, the upper and lower both ends of ring gear 31 all are provided with second friction disc 32, and the up end of retaining ring 12 is provided with first friction disc 13, and the lower extreme of clamping ring 41 is provided with third friction disc 44, through set up the friction disc on ring gear 31, retaining ring 12 and clamping ring 41, increases the frictional force between ring gear 31 and clamping ring 41, retaining ring 12, also can prevent ring gear 31, retaining ring 12 and clamping ring 41 wearing and tearing, and periodic replacement friction disc can.

The transmission shaft 5 is provided with a second stepped groove 51, a third bearing 52 is arranged in the second stepped groove 51, the outer ring of the third bearing 52 is matched with the rotary drum 14, the upper end of the transmission shaft 5 is provided with a connecting rod 53, the transmission shaft 5 is connected with the rotor of the motor 6 through the connecting rod 53, the connecting rod 53 is a flexible rod, vibration is prevented from being transmitted to the sun gear 36 through the transmission shaft 5 when the motor 6 rotates, transmission abrasion between the sun gear 36 and the planet gear 33 is reduced, and the reliability of the planetary gear mechanism 3 is improved.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A mold drill bit supporting and driving device for mold manufacturing and processing comprises a shell (1), a rotating seat (2) and a motor (6), it is characterized by also comprising a planetary gear mechanism (3), a brake mechanism (4) and a transmission shaft (5), the rotary seat (2) is relatively rotatably arranged on the shell (1), the shell (1) is arranged on a mechanical arm or a movable arm of a machine tool, the lower end of the rotating seat (2) is provided with a mold processing drill bit, the planetary gear mechanism (3) is arranged on the shell (1) and the rotating seat (2), the brake mechanism (4) and the transmission shaft (5) are both arranged on the shell (1), the motor (6) is fixed at the upper end of the shell (1) through a support rod, the rotor of the motor (6) is connected with the transmission shaft (5), the lower end of the rotating seat (2) is provided with a chuck (25), and the lower end of the chuck (25) is provided with a clamping groove (26).

2. The mold drill supporting and driving device for the mold manufacturing and processing according to claim 1, wherein the housing (1) is a cylindrical hollow structure with an open lower end, the middle part of the upper end of the housing (1) is provided with a rotary drum (14), the lower end of the rotary drum (14) penetrates through the upper end surface of the housing (1), the inner side of the lower end of the housing (1) is provided with a limit ring (11), the limit ring (11) is clamped on the inner wall of the lower end of the housing (1), the middle part of the inner side of the housing (1) is provided with a retainer ring (12), the retainer ring (12) and the limit ring (11) are both in circular ring sheet structures, and the rotary seat (2) is installed in the housing (1) between the retainer ring (12) and the limit ring (11).

3. The mold drill supporting and driving device for mold manufacturing and processing according to claim 2, wherein the upper end and the lower end of the outer side of the rotary seat (2) are provided with first stepped grooves (21), the first stepped grooves (21) are provided with first bearings (27), the outer rings of the first bearings (27) are arranged in the shell (1), the outer rings of the first bearings (27) are in direct contact with the inner wall of the shell (1), the rotary seat (2) is not in direct contact with the shell (1), the upper end of the rotary seat (2) is provided with columns (22), the columns (22) are annularly and uniformly distributed at the upper end of the rotary seat (2), the bottom end of the columns (22) is provided with a base (23), and the upper end of the columns (22) is provided with a clamping groove (24).

4. A mould drill bit supporting and driving device for mould manufacturing according to claim 1, characterised in that the planetary gear mechanism (3) is mounted in the housing (1) above the collar (12), that the planetary gear mechanism (3) comprises a ring gear (31), a planet wheel (33) and a sun wheel (36), that the ring gear (31) is mounted at the upper end of the collar (12), and that the outer edge of the ring gear (31) is in clearance fit with the inner wall of the housing (1).

5. The mold drill supporting and driving device for mold manufacturing and processing according to claim 4, wherein the planetary gear (33) is correspondingly installed on the upright post (22) on the rotary base (2), a planetary carrier of the planetary gear (33) is formed between the rotary base (2) and the upright post (22), the planetary gear (33) is meshed with the gear ring (31), the planetary gear (33) and the upright post (22) are installed through the second bearing (34), an inner ring of the second bearing (34) is sleeved on the upright post (22), the base (23) provides positioning support for the second bearing (34), the planetary gear (33) is sleeved on an outer ring of the second bearing (34), a snap ring (35) is arranged above the second bearing (34), and the snap ring (35) is installed in the snap groove (24) on the upright post (22).

6. A mould-making-process mould-drill-bit supporting and driving arrangement according to claim 4, characterised in that the sun wheel (36) is arranged between the planet wheels (33), that the sun wheel (36) meshes with all the planet wheels (33) simultaneously, and that the sun wheel (36) is mounted on the lower end of the drive shaft (5).

7. The mold drill support driving device for mold manufacturing according to claim 4, wherein the gear ring (31) is provided with second friction plates (32) at both upper and lower ends thereof, and the retainer ring (12) is provided with a first friction plate (13) at an upper end surface thereof.

8. The mold drill supporting and driving device for the mold manufacturing and processing according to claim 1, wherein the braking mechanism (4) is installed in the shell (1) above the retainer ring (12), the braking mechanism (4) comprises a pressing ring (41), a guide post (42) and a hydraulic cylinder (45), the pressing ring (41) is in a circular ring shape, the pressing ring (41) is installed at the upper end of the gear ring (31), the cross-sectional shapes and the sizes of the pressing ring (41) and the gear ring (31) are the same, and a third friction plate (44) is arranged at the lower end of the pressing ring (41).

9. The mold drill supporting and driving device for the mold manufacturing and processing according to claim 8, wherein four guide columns (42) are uniformly distributed at the upper end of the pressing ring (41), connecting blocks (43) are arranged between the guide columns (42), each guide column (42) and each connecting block (43) are correspondingly provided with a guide hole (15) on the upper portion of the shell (1), the guide columns (42) are installed in the guide holes (15), a hydraulic cylinder (45) is arranged above the guide holes (15) corresponding to the connecting blocks (43), the hydraulic cylinder (45) is installed at the upper end of the shell (1), and a telescopic rod (46) in the hydraulic cylinder (45) penetrates through the guide holes (15) to be connected with the connecting blocks (43).

10. The mold drill supporting and driving device for mold manufacturing according to claim 1, wherein the transmission shaft (5) is provided with a second stepped groove (51), the second stepped groove (51) is provided with a third bearing (52), an outer ring of the third bearing (52) is engaged with the rotary drum (14), a connecting rod (53) is provided at an upper end of the transmission shaft (5), the transmission shaft (5) is connected with the rotor of the motor (6) through the connecting rod (53), and the connecting rod (53) is a flexible rod.