CN218108923U

CN218108923U - Lead screw installation device

Info

Publication number: CN218108923U
Application number: CN202222432161.0U
Authority: CN
Inventors: 左荣峰; 李振光
Original assignee: Ruitie Machine Tool Suzhou Co ltd; Db Machine Tool Shanghai Co ltd
Current assignee: Ruitie Machine Tool Suzhou Co ltd; Db Machine Tool Shanghai Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-12-23
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses a lead screw installation device relates to lead screw installation field, including motor cabinet, fixing base, the motor cabinet is located the one end of fixing base, the lead screw that extends to the motor cabinet inside is installed to the inner wall of fixing base, installs at the inside adjustment mechanism of fixing base, adjustment mechanism is including connecting the outside lock nut who just extends to the fixing base inside in fixing base one end, lock nut's outer wall has cup jointed the bearing, the bearing sets up the inside at the fixing base, lock nut's one end runs through to the inside of lead screw. The utility model discloses a set up adjustment mechanism, the lead screw both ends are motor end and stiff end respectively, and the motor end links the position with the motor and keeps motionless, and the spacer of stiff end passes through lock nut's rotation, makes the lead screw with lock nut outer wall threaded connection carry out lateral shifting along lock nut outer wall screw to the one end that makes the lead screw is close to lock nut gradually, stretches the lead screw, guarantees that the lead screw is straight.

Description

Lead screw installation device

Technical Field

The utility model relates to a lead screw installation field specifically is a lead screw installation device.

Background

The punch press is a stamping type press. In national production, compared with the traditional machining, the stamping process has the advantages of material and energy conservation, high efficiency, low technical requirement on operators and capability of machining products which cannot be achieved by various die applications.

The X-axis and Y-axis transmission of the existing punching machine basically adopts a lead screw transmission mode, a lead screw is installed in a fixed mode, if a lead screw shaft shoulder is directly abutted to the end part of a bearing, the lead screw cannot be adjusted due to trace elongation caused by thermal extension during installation or long-term use, so that the processing precision is reduced due to unstable operation, the lead screw stroke is overlong during transmission of a feeding shaft, the deflection is overlarge due to the self weight, and the phenomenon of high ends and low middle parts exists during installation, so that the transmission stability is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the screw rod mounting device is provided for solving the problem that the screw rod mounted on the existing punching machine has the phenomenon that the height of two ends of the screw rod is high and the height of the screw rod is low under stress to influence the stability of transmission.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lead screw installation device, includes motor cabinet, fixing base, the motor cabinet is located the one end of fixing base, the lead screw that extends to the motor cabinet inside is installed to the inner wall of fixing base, installs at the inside adjustment mechanism of fixing base, adjustment mechanism is including connecting the outside lock nut who just extends to the fixing base inside in fixing base one end, lock nut's outer wall has cup jointed the bearing, the bearing sets up the inside at the fixing base, lock nut's one end runs through to the inside of lead screw.

As the utility model discloses further scheme again: the motor base is provided with driving motor far away from the one end of fixing base, driving motor's output is connected with the shaft coupling, the one end of shaft coupling and the outer wall fixed connection of lead screw.

As the utility model discloses further scheme again: the adjusting mechanism further comprises an outer spacer bush and an inner spacer bush which are arranged inside the fixed seat, and the outer spacer bush and the inner spacer bush are respectively arranged at two ends of the bearing.

As a further aspect of the present invention: and the inner wall of the fixed seat is provided with a rotating groove matched with the rotating track of the bearing and the locking nut.

As a further aspect of the present invention: and the inner wall of the screw rod is provided with a thread groove matched with the thread on the outer wall of the locking nut.

As the utility model discloses further scheme again: and a groove matched with the transverse moving track of the screw rod is formed in the fixed seat.

Compared with the prior art, the beneficial effects of the utility model are that:

through the arrangement of the adjusting mechanism, the two ends of the screw rod are respectively provided with the motor end and the fixed end, the connection part of the motor end and the motor is kept still, and the spacer bush of the fixed end enables the screw rod in threaded connection with the outer wall of the locking nut to transversely move along the thread of the outer wall of the locking nut through the rotation of the locking nut, so that one end of the screw rod is gradually close to the locking nut, the screw rod is stretched, and the straightness of the screw rod is guaranteed.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic structural diagram of the adjusting mechanism of the present invention;

fig. 3 is a schematic plan view of the screw rod mounting structure of the present invention.

In the figure: 1. a motor base; 2. a drive motor; 3. a coupling; 4. a screw rod; 5. a fixed seat; 6. an adjustment mechanism; 601. locking the nut; 602. a bearing; 603. an outer spacer sleeve; 604. an inner spacer sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a lead screw mounting device includes a motor base 1 and a fixing base 5, the motor base 1 is located at one end of the fixing base 5, a lead screw 4 extending into the motor base 1 is mounted on an inner wall of the fixing base 5, and an adjusting mechanism 6 mounted inside the fixing base 5, the adjusting mechanism 6 includes a lock nut 601 connected to an outer portion of one end of the fixing base 5 and extending into the fixing base 5, a bearing 602 is sleeved on an outer wall of the lock nut 601, the bearing 602 is disposed inside the fixing base 5, and one end of the lock nut 601 penetrates into the lead screw 4;

one end of the motor base 1, which is far away from the fixed base 5, is provided with a driving motor 2, the output end of the driving motor 2 is connected with a coupler 3, and one end of the coupler 3 is fixedly connected with the outer wall of the lead screw 4.

In this embodiment: when the device is used, the two ends of the screw rod 4 are respectively connected to the coupler 3 and the inner wall of the fixing seat 5, the driving motor 2 is started, the driving motor 2 drives the coupler 3 to rotate when working, the coupler 3 drives the screw rod 4 to rotate when rotating, the screw rod 4 can work, when the screw rod 4 is in a condition that the two ends are high and the middle bottom is low due to stress, the locking nut 601 can be manually adjusted to rotate, the locking nut 601 rotates to give a pulling force to the screw rod 4 connected with the locking nut 601, the screw rod 4 moves along the outer wall thread of the locking nut 601, and the extrusion force of a positioning part of the adjusting mechanism 6 is given, so that the screw rod generates elastic deformation, the screw rod 4 is stretched, and the screw rod 4 is ensured to be straight.

Referring to fig. 2-3, the adjusting mechanism 6 further includes an outer spacer 603 and an inner spacer 604 disposed inside the fixing base 5, and the outer spacer 603 and the inner spacer 604 are disposed at two ends of the bearing 602 respectively.

In this embodiment: when the two ends of the screw rod 4 are higher than the middle bottom due to stress, the locking nut 601 can be manually adjusted and rotated, the locking nut 601 rotates to apply a pulling force to the screw rod 4 connected with the locking nut 601, so that the screw rod 4 moves along the outer wall thread of the locking nut 601, and an extrusion force is applied to the inner spacer 604 serving as a positioning part of the adjusting mechanism 6, so that the inner spacer 604 is elastically deformed, the screw rod 4 is stretched, and the screw rod 4 is ensured to be straight.

Please refer to fig. 2-3, the inner wall of the fixing base 5 is provided with a rotation groove matching with the rotation track of the bearing 602 and the lock nut 601, the inner wall of the screw rod 4 is provided with a thread groove matching with the thread of the outer wall of the lock nut 601, and the inside of the fixing base 5 is provided with a groove matching with the transverse movement track of the screw rod 4.

In this embodiment: through the structure, when the locking nut 601 is rotated, the locking nut 601 rotates to give a pulling force to the lead screw 4 connected with the locking nut 601, so that the lead screw 4 moves along the outer wall thread of the locking nut 601, the locking nut 601 transversely moves along the inner wall groove of the fixed seat 5, the two ends and the middle position of the fixed seat 5 are in a straight state, the lead screw 4 is kept to stably run, and the processing precision is ensured.

The working principle is as follows: when the device is used, the two ends of the screw rod 4 are respectively connected to the coupler 3 and the inner wall of the fixed seat 5, the driving motor 2 is started, the coupler 3 is driven to rotate by the driving motor 2, the coupler 3 rotates to drive the screw rod 4 to rotate, and therefore the screw rod 4 can work, when the screw rod 4 is high in two ends and low in middle due to stress, the locking nut 601 can be manually adjusted to rotate, the locking nut 601 rotates to give a pulling force to the screw rod 4 connected with the locking nut 601, the screw rod 4 moves along the outer wall thread of the locking nut 601, and an extrusion force of the inner spacer 604 serving as a positioning part of the adjusting mechanism 6 is given, so that the inner spacer 604 is elastically deformed, the screw rod 4 is stretched, and the screw rod 4 is ensured to be flat and straight.

The above-mentioned, only be the embodiment of the preferred of the present invention, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel familiar with this technical field is in the technical scope of the utility model discloses an according to the utility model discloses a technical scheme and utility model design in addition the replacement of equality or change, all should be covered within the protection scope of the utility model.

Claims

1. The utility model provides a lead screw installation device, includes motor cabinet (1), fixing base (5), motor cabinet (1) is located the one end of fixing base (5), lead screw (4) that extend to motor cabinet (1) inside are installed to the inner wall of fixing base (5), its characterized in that, installs adjustment mechanism (6) inside fixing base (5), adjustment mechanism (6) are outside and extend to the inside lock nut (601) of fixing base (5) including connecting in fixing base (5) one end, bearing (602) have been cup jointed to the outer wall of lock nut (601), bearing (602) set up the inside at fixing base (5), the one end of lock nut (601) runs through to the inside of lead screw (4).

2. The lead screw mounting device according to claim 1, characterized in that one end of the motor base (1) far away from the fixing base (5) is provided with a driving motor (2), the output end of the driving motor (2) is connected with a coupler (3), and one end of the coupler (3) is fixedly connected with the outer wall of the lead screw (4).

3. The lead screw mounting device according to claim 1, wherein the adjusting mechanism (6) further comprises an outer spacer (603) and an inner spacer (604) arranged inside the fixed seat (5), and the outer spacer (603) and the inner spacer (604) are respectively arranged at two ends of the bearing (602).

4. The lead screw mounting device according to claim 1, wherein the inner wall of the fixed seat (5) is provided with a rotating groove matched with the rotating track of the bearing (602) and the locking nut (601).

5. The lead screw mounting device according to claim 1, characterized in that the inner wall of the lead screw (4) is provided with a thread groove matched with the thread of the outer wall of the locking nut (601).

6. The lead screw mounting device according to claim 1, wherein the fixing seat (5) is provided with a groove therein, which is matched with the transverse moving track of the lead screw (4).