CN212868367U

CN212868367U - Precise transmission device of machine tool

Info

Publication number: CN212868367U
Application number: CN202021872441.8U
Authority: CN
Inventors: 朱义坤; 张嘉奇; 成涛
Original assignee: Nanjing Jingeer Gearbox Co ltd
Current assignee: Nanjing Jingeer Gearbox Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-04-02
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a lathe precision transmission relates to lathe accessories technical field. Lathe one side is equipped with the connecting plate, be equipped with on the casing and be used for dismantling the retaining member of being connected with the fixed plate, the retaining member includes the grip block, the grip block is equipped with a plurality of, and a plurality of grip block encircles the connecting plate setting, still be equipped with coupling mechanism on the casing, be used for driving a plurality of grip blocks simultaneously synchronous orientation or dorsad connecting plate central point put and slide, be used for pressing from both sides tightly or unclamp the connecting plate, be equipped with connecting groove on the connecting plate, connecting groove and grip block mutually support, pioneering ground fixes transmission on the side of lathe through the mode of dismantling the connection, can lift whole transmission off the change when needing maintenance or changing the gear, thereby provide bigger maintenance space for maintenance personal, promote the replacement efficiency of part, thereby improve part replacement efficiency and the production efficiency of whole lathe.

Description

Precise transmission device of machine tool

Technical Field

The utility model relates to a lathe accessories technical field especially relates to a lathe precision transmission.

Background

Machine tools are machines for manufacturing machines, also called machine tools or machine tools, which are conventionally referred to as machine tools for short. Generally, the machining method is divided into a metal cutting machine, a forging machine, a woodworking machine and the like. The methods for machining machine parts in modern machine manufacturing are numerous: in addition to cutting, casting, forging, welding, pressing, extruding, etc., however, in general, a part requiring high precision and fine surface roughness is finished by cutting on a machine tool.

A lathe is a machine tool for turning a rotating workpiece mainly with a lathe tool. The lathe can also be used for corresponding processing by using a drill bit, a reamer, a screw tap, a die, a knurling tool and the like. Lathes are used primarily for machining shafts, discs, sleeves and other workpieces having a surface of revolution, and are the most widely used type of machine tool in machine manufacturing and repair plants.

The necessary devices on the machine tool are transmission devices which comprise gear boxes, and the gear boxes are important components of the machine tool.

At present, chinese patent publication No. CN211276654U discloses a gear box for a three-hole simultaneous machining modified machine tool, which includes a gear box body, an input shaft, an output shaft and an output shaft on the gear box, and three boring bars driven by the three shafts, wherein the boring bars are provided with a fine boring head, a semi-fine boring head and a rough boring head.

Although the gear box eliminates the machining error caused by the rotation and linear feeding error of the machining workbench of the common boring machine to a certain extent, the gear box is directly and integrally arranged in the machine body, and the gear is one of the most seriously worn parts, so when the gear is worn and needs to be replaced, a smaller machine body is inconvenient for an operator to replace, and the replacement and the production efficiency of the parts are greatly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above technical problem, overcome prior art's shortcoming, provide a lathe precision transmission.

In order to solve the technical problem, the utility model provides a lathe precision transmission.

The technical effects are as follows: the transmission device is initiatively fixed on the side surface of the machine tool in a detachable connection mode, and the whole transmission device can be detached for replacement when the gear needs to be maintained or replaced, so that a larger maintenance space is provided for maintenance personnel, the replacement efficiency of parts is improved, and the part replacement efficiency and the production efficiency of the whole machine tool are improved.

The utility model discloses the technical scheme who further injects is: the utility model provides a precision transmission of lathe, including the casing with locate the total motor on the casing, lathe one side is equipped with the connecting plate, be equipped with on the casing and be used for dismantling the retaining member of being connected with the fixed plate, the retaining member includes the grip block, the grip block is equipped with a plurality of, and a plurality of grip block encircles the connecting plate setting, still be equipped with coupling mechanism on the casing, be used for driving a plurality of grip blocks simultaneously synchronous orientation or the connecting plate central point that dorsad puts and slides, be used for pressing from both sides tightly or loosen the connecting plate, be equipped with connecting groove on the connecting plate, connecting groove.

Further, coupling mechanism includes the catch bar, and the catch bar corresponds the setting with the grip block, and coupling mechanism includes the initiative dish, and catch bar one end is connected with the grip block, and the other end is fixed with perpendicular movable rod with it, and the movable rod pierces through the initiative dish and slides and connect on the casing.

The machine tool precision transmission device is characterized in that a sliding block is integrally arranged at the bottom of a movable rod, a linear sliding groove is formed in a shell, the sliding block is embedded in the sliding groove and can slide in the sliding groove, an arc-shaped groove is formed in a driving disc, the movable rod penetrates through the arc-shaped groove to be connected to the sliding groove, and the arc-shaped groove is intersected with the sliding groove.

The connecting mechanism comprises a rotating shaft, one end of the rotating shaft is fixed at the central position of the driving disc, the other end of the rotating shaft is rotatably connected onto the shell, a driven gear is arranged on the rotating shaft coaxially, and a driving gear meshed with the driven gear is arranged in the shell.

The connecting mechanism comprises a driving shaft, the driving shaft and the driving gear are coaxially arranged, a driving worm wheel and a driving worm are arranged in the shell, the driving worm wheel is fixed on the driving shaft and coaxially arranged with the driving gear, and a driving motor is further arranged in the shell and used for driving the driving worm to rotate.

In the precision transmission device of the machine tool, the clamping block is arranged in a hook shape to form a fixing groove, and the fixing groove on the clamping block is matched with the connecting groove on the connecting plate.

The utility model has the advantages that:

(1) in the utility model, when the gear in the transmission device needs to be replaced, an operator can drive a plurality of clamping blocks to synchronously slide outwards through the connecting mechanism, so that the connecting block is separated from the connecting groove on the connecting plate, and the operator can detach the whole transmission device from the connecting plate of the machine tool at the moment, thereby facilitating the replacement of parts by the operator, providing the operator with a larger operation space, and when the transmission device needs to be installed, the operator only needs to align the whole transmission device, start the driving disc, and rotate the driving disc to drive the clamping blocks to complete clamping of the connecting plate;

(2) in the utility model, the pushing rod and the movable rod are connected on the shell in a sliding way, the driving disc is provided with the arc-shaped groove, and the movable rod penetrates through the arc-shaped groove, so that the movable rod can be pushed to slide along the extending direction of the sliding groove when the driving disc rotates, thereby realizing the pushing of the clamping block, and the whole driving disc can be driven to rotate by the rotating shaft at the bottom and the driven gear;

(3) in the utility model, the driving motor drives the driving worm to rotate, the driving worm is linked with the driving worm wheel, the driving shaft drives the driving gear, and finally the driven gear, the rotating shaft and the driving disc are linked to rotate to complete the clamping or the loosening of the clamping block, the self-locking property between the worm wheel and the worm can keep the locking state of the clamping block, and the mutual matching of the fixed groove and the connecting groove can improve the clamping firmness;

(4) the utility model discloses in, initiatively fix transmission on the side of lathe through the mode that can dismantle the connection, can lift whole transmission off the change when needing the maintenance or changing the gear to provide bigger maintenance space for the maintenance personal, promote the change efficiency of part, thereby improve the part change efficiency and the production efficiency of whole lathe.

Drawings

FIG. 1 is an overall schematic view of embodiment 1;

FIG. 2 is a connection diagram of example 1;

FIG. 3 is a schematic view for showing a connecting mechanism in embodiment 1;

fig. 4 is an exploded view of example 1.

Wherein: 1. a housing; 11. a main motor; 12. a connecting plate; 2. a locking member; 21. a clamping block; 22. a connecting groove; 23. fixing grooves; 3. a connecting mechanism; 31. a push rod; 32. a driving disk; 33. a movable rod; 34. a slider; 35. a chute; 36. an arc-shaped slot; 37. a rotating shaft; 38. a driven gear; 39. a drive shaft; 40. an active motor; 41. a drive worm gear; 42. a drive worm; 43. a drive gear.

Detailed Description

The structure of the precision transmission device for the machine tool provided by the embodiment is shown in fig. 1-3, and the precision transmission device for the machine tool comprises a shell 1 and a main motor 11 arranged on the shell 1, wherein a connecting plate 12 is arranged on one side of the machine tool, a locking part 2 used for being detachably connected with a fixing plate is arranged on the shell 1, the locking part 2 comprises a clamping block 21, the clamping block 21 is provided with a plurality of clamping blocks, and the plurality of clamping blocks 21 are arranged around the connecting plate 12.

As shown in fig. 2-4, the housing 1 is further provided with a connecting mechanism 3 for driving a plurality of clamping blocks 21 to synchronously slide toward or away from the center of the connecting plate 12 for clamping or loosening the connecting plate 12, the connecting plate 12 is provided with a connecting groove 22, and the connecting groove 22 is matched with the clamping blocks 21.

As shown in fig. 2-4, the connecting mechanism 3 includes a push rod 31, the push rod 31 is disposed corresponding to the clamping block 21, the connecting mechanism 3 includes a driving plate 32, one end of the push rod 31 is connected to the clamping block 21, the other end is fixed with a movable rod 33 perpendicular to the clamping block, and the movable rod 33 penetrates through the driving plate 32 and is slidably connected to the housing 1.

As shown in fig. 2-4, a sliding block 34 is integrally disposed at the bottom of the movable rod 33, a linear sliding slot 35 is disposed on the housing 1, the sliding block 34 is embedded in the sliding slot 35 and can slide therein, an arc-shaped slot 36 is disposed on the driving disk 32, the movable rod 33 passes through the arc-shaped slot 36 and is connected to the sliding slot 35, and the arc-shaped slot 36 intersects with the sliding slot 35.

As shown in fig. 2-4, the connecting mechanism 3 includes a rotating shaft 37, one end of the rotating shaft 37 is fixed at the center of the driving plate 32, the other end is rotatably connected to the housing 1, a driven gear 38 is coaxially disposed on the rotating shaft 37, and a driving gear 43 engaged with the driven gear 38 is disposed in the housing 1.

As shown in fig. 2-4, the connecting mechanism 3 includes a driving shaft 39, the driving shaft 39 and the driving gear 43 are coaxially arranged, a driving worm wheel 41 and a driving worm 42 are arranged in the housing 1, the driving worm wheel 41 is fixed on the driving shaft 39 and is coaxially arranged with the driving gear 43, and a driving motor 40 is further arranged in the housing 1 for driving the driving worm 42 to rotate. The clamping block 21 is in a hook shape and is provided with a fixing groove, and 23 the fixing groove on the clamping block 21 is matched with the connecting groove 22 on the connecting plate 12.

The utility model discloses initiatively fix transmission on the side of lathe through the mode that can dismantle the connection, can lift whole transmission off the change when needing the maintenance or changing the gear to provide bigger maintenance space for the maintenance personal, promote the change efficiency of part, thereby improve the part change efficiency and the production efficiency of whole lathe.

In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.

Claims

1. The utility model provides a precision transmission of machine tool, includes casing (1) and locates total motor (11) on casing (1), its characterized in that: lathe one side is equipped with connecting plate (12), be equipped with on casing (1) and be used for dismantling retaining member (2) of being connected with the fixed plate, retaining member (2) include grip block (21), grip block (21) are equipped with a plurality of, and a plurality of grip block (21) encircle connecting plate (12) and set up, still be equipped with coupling mechanism (3) on casing (1), be used for driving a plurality of grip block (21) synchronous orientation simultaneously or dorsad connecting plate (12) central point put and slide, be used for pressing from both sides tightly or loosen connecting plate (12), be equipped with connecting groove (22) on connecting plate (12), connecting groove (22) and grip block (21) are mutually supported.

2. A precision drive for a machine tool as claimed in claim 1, wherein: coupling mechanism (3) include catch bar (31), catch bar (31) correspond the setting with grip block (21), and coupling mechanism (3) include initiative dish (32), and catch bar (31) one end is connected with grip block (21), and the other end is fixed with perpendicular movable rod (33) with it, and movable rod (33) pierce through initiative dish (32) and slide and connect on casing (1).

3. A precision drive for a machine tool as claimed in claim 2, wherein: the movable rod (33) is characterized in that a sliding block (34) is integrally arranged at the bottom of the movable rod (33), a straight-line-shaped sliding groove (35) is formed in the shell (1), the sliding block (34) is embedded in the sliding groove (35) and can slide in the sliding groove, an arc-shaped groove (36) is formed in the driving disc (32), the movable rod (33) penetrates through the arc-shaped groove (36) to be connected into the sliding groove (35), and the arc-shaped groove (36) is intersected with the sliding groove (35).

4. A precision drive for a machine tool as claimed in claim 3, wherein: coupling mechanism (3) are including pivot (37), and pivot (37) one end is fixed in the central point of initiative dish (32) and is put, and the other end rotates to be connected on casing (1), and pivot (37) are gone up and are equipped with driven gear (38) with the axle center, are equipped with in casing (1) with driven gear (38) intermeshing's driving gear (43).

5. A precision drive for a machine tool as claimed in claim 4, wherein: the connecting mechanism (3) comprises a driving shaft (39), the driving shaft (39) and a driving gear (43) are coaxially arranged, a driving worm wheel (41) and a driving worm (42) are arranged in the shell (1), the driving worm wheel (41) is fixed on the driving shaft (39) and coaxially arranged with the driving gear (43), and a driving motor (40) is further arranged in the shell (1) and used for driving the driving worm (42) to rotate.

6. A precision drive for a machine tool as claimed in claim 1, wherein: the clamping block (21) is arranged in a hook shape, a fixing groove is formed, and the fixing groove on the clamping block (21) and the connecting groove (22) on the connecting plate (12) are matched with each other (23).