CN214516900U

CN214516900U - Rear material blocking transmission device of bending machine

Info

Publication number: CN214516900U
Application number: CN202120652051.8U
Authority: CN
Inventors: 费文彪; 李忠华
Original assignee: Anhui Jaco Nc Machine Manufacturing Co ltd
Current assignee: Anhui Jaco Nc Machine Manufacturing Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-10-29
Anticipated expiration: 2031-03-30

Abstract

The utility model discloses a keep off material transmission behind bender belongs to the equipment field of bending. The automatic screw-tightening device comprises a base, a side plate, a motor, a screw rod nut mechanism, a sliding table, a mounting plate and a tightening bolt, wherein the side plate is mounted at the end part of the base; one end of the tensioning bolt tightly props against the side plate, and the other end of the tensioning bolt is screwed into the screw hole. The utility model discloses can accomplish the regulation to the belt tensile force convenient and fast ground when installing the motor that the bender was kept off material adjustment mechanism behind the bender, simple structure, the cost is lower.

Description

Rear material blocking transmission device of bending machine

Technical Field

The utility model belongs to the equipment field of bending, more specifically say, relate to a bender backstop material transmission.

Background

The bending machine is a machine capable of bending thin plates, and mainly structurally comprises a support, a workbench and a clamping plate, wherein the workbench is arranged on the support and comprises a base and a pressing plate, the base is connected with the clamping plate through a hinge and comprises a seat shell, a coil and a cover plate, the coil is arranged in a recess of the seat shell, and the cover plate covers the top of the recess. When the clamping device is used, the coil is electrified by the lead, and the attraction is generated on the pressing plate after the coil is electrified, so that the thin plate between the pressing plate and the base is clamped. Currently, bender products are widely applicable to: the cutting machine is used for cutting various steel plates, stainless steel, copper plates, aluminum plates and non-metal material plates, can fold products into conical, arc, circular or right-angle shapes and the like, and can also be designed and processed into a die with a special shape according to requirements.

The rear material blocking device of the bending machine is a main tool for adjusting the angle of a workpiece of the bending machine, and the position of a crease is controlled by the material blocking device in the using process of the bending machine. The existing rear material blocking device needs to adjust the position of the rear material blocking of the bending machine in multiple directions in order to adapt to large-size workpieces, and the adjusting device generally adopts a screw nut mechanism driven by a motor. In order to facilitate the installation of the motor, the adjusting device is generally installed on the base, the adjusting device is installed on the base, a certain space is arranged below the adjusting device, and the motor is installed below the adjusting device and drives the screw and nut mechanism through the belt pulley.

For example, the Chinese patent application number is: CN201911374526.5, published date: patent document of 28 days 4 months in 2020 discloses a rear material blocking device of a numerical control bending machine and the numerical control bending machine, and belongs to the technical field of bending machine mechanical equipment. It includes X axial displacement mechanism, R axial displacement mechanism and stock stop, and stock stop includes that crossbeam and fender indicate the subassembly, keeps off and indicates the subassembly to include dog, commentaries on classics piece, regulating plate, hand wheel and bedplate, changes a one end connection dog, and the other end is articulated with the regulating plate, is provided with the recess on the regulating plate, and the bedplate is connected to hand wheel one end to place in the recess of regulating plate. The X-axis moving mechanism and the R-axis moving mechanism are used for moving the rear material blocking device of the numerical control bending machine in the X direction and the R direction, and the numerical control bending machine is flexible in movement and high in precision.

This back dam device is through setting up the base below at adjusting device promptly, and for the motor is installed and is provided the space in adjusting device's below, but, when bending to the less work piece of size, need not to carry out too much regulation to the position that the material was kept off to the back, the material is kept off to the back only need can remove in a direction just can satisfy operation requirement. In this case, in order to save cost, the base is not installed below the adjusting device, and the base is directly installed on the ground, and in this case, the motor cannot be installed below the adjusting device, which causes difficulty in installation of the motor.

The Chinese patent application numbers are: CN201811173226.6, published date: patent literature 12/24/2018 discloses a rear stock stop device of a bending machine, which comprises a transverse moving mechanism, a longitudinal moving mechanism, a lifting mechanism and a baffle adjusting mechanism, wherein the longitudinal moving mechanism is arranged above the transverse moving mechanism, the lifting mechanism is arranged above the longitudinal moving mechanism, and the baffle adjusting mechanism is arranged above the lifting mechanism.

The transverse adjusting mechanism of the scheme is directly arranged on the ground, and a space for arranging the motor is not arranged below the adjusting mechanism, so that the motor is arranged on the side surface of the adjusting mechanism. However, the output shaft of motor under the general condition is difficult generally to be matchd with the lead screw, unable lug connection, even find with lead screw assorted motor, the output shaft of motor is direct also can make comparatively serious of the junction of motor output shaft and lead screw with screw connection, influence adjustment mechanism life, consequently, the motor generally adopts belt drive to connect the lead screw, can solve the unmatched problem of motor output shaft and lead screw size through cup jointing the belt pulley on lead screw tip and motor output shaft, this scheme is adopting belt drive promptly. However, the tension of the belt on the pulley needs to be maintained through the belt transmission, and if the tension of the belt is low during installation, the transmission is affected, so that the adjusting mechanism cannot work normally. The existing belt transmission intentionally adopts extra tensioning parts such as a tensioning wheel to adjust the tensioning force of a belt, but the installation space of the side surface of an adjusting mechanism is generally small, enough installation space is difficult to reserve for installing the tensioning parts such as the tensioning wheel, and the equipment cost is increased, so that a simple and convenient tensioning structure is needed to meet the requirement.

Disclosure of Invention

1. Problems to be solved

When the motor to current bender backstop material adjustment mechanism is installed, be difficult to the problem of adjusting the belt tensile force, the utility model provides a keep off material transmission behind bender can be when installing bender backstop material adjustment mechanism's motor, convenient and fast ground accomplishes the regulation to the belt tensile force, simple structure, and the cost is lower.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A rear material blocking transmission device of a bending machine comprises a base, a side plate, a motor, a screw nut mechanism, a sliding table, an installation plate and a tensioning bolt, wherein the side plate is installed at the end part of the base; one end of the tensioning bolt tightly props against the side plate, and the other end of the tensioning bolt is screwed into the screw hole.

As a further improvement of the technical scheme, the mounting plate is provided with a waist-shaped hole extending along the horizontal direction, and the mounting plate is mounted on the side plate through a fastening bolt inserted into the waist-shaped hole.

As a further improvement of the technical scheme, the waist-shaped holes are provided with at least one pair of holes which are respectively positioned at the upper side and the lower side of the mounting plate.

As a further improvement of the technical scheme, the screw hole is positioned in the middle of the mounting plate in the width direction.

As a further improvement of the technical scheme, the position, close to the screw hole, on the mounting plate is provided with an adjusting hole, and the screw hole is communicated with the adjusting hole.

As a further improvement of the technical scheme, the side edge of the screw rod is provided with a guide rail, and the sliding table is provided with a sliding block matched with the guide rail.

As a further improvement of the technical scheme, an anti-collision block is arranged on one side, opposite to the side plate, of the sliding table.

As a further improvement of the technical scheme, a sensor is arranged at the end part of the base.

As a further improvement of the technical scheme, a lead screw protective sleeve is arranged above the base; the lead screw protective sleeve is fixedly connected with the side plate, and a gap for the sliding table to pass through is formed between the lead screw protective sleeve and the base.

As a further improvement of the technical scheme, a belt protective sleeve is arranged on the outer side of the side plate.

3. Advantageous effects

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

(1) the utility model relates to a rear stop material transmission device of a bending machine, aiming at a device that a motor is arranged at the side edge of a base and is connected with an adjusting mechanism through belt transmission, the motor is connected only through a mounting plate, a screw hole in the horizontal direction is arranged on the mounting plate, and a belt can be tensioned through a bolt screwed in the screw hole and tightly pushing against a side plate, the structure does not need to occupy too much mounting space on the side plate, and the mounting is simple, the cost is lower, and the adjustment is convenient;

(2) the utility model relates to a bender backstop material transmission device is equipped with the waist type hole that extends along the horizontal direction on the mounting panel, during the installation, insert the bolt in waist type hole earlier and realize the prepositioning to the mounting panel, then adjust the tensioning bolt, in the adjustment process of tensioning bolt, the mounting panel can move along the length direction of waist type hole, until the belt reaches predetermined tensioning degree, screw up the fastening bolt again and install the mounting panel fixed mounting on the curb plate, this kind of mode has improved the regulation convenience to the belt tensile force effectively;

(3) the utility model relates to a bender backstop material transmission, the position that is close to on the mounting panel screw has seted up the regulation hole, can provide the space for the screw in of tensioning bolt, avoids setting up overlength screw on the mounting panel and the condition that easy blocking appears when tensioning bolt screws in;

(4) the utility model relates to a rear stop transmission device of a bending machine, wherein an anti-collision block is arranged on one side of a sliding table opposite to a side plate, so that the sliding table or the side plate can be prevented from being damaged due to direct collision between the sliding table and the side plate, and the service life of the transmission device is prolonged;

(5) the utility model relates to a stock stop transmission behind bender, the protective sheath is all equipped with in the outside of base top and curb plate, thereby can prevent that external dust debris from getting into among lead screw nut mechanism or the belt drive mechanism influence the normal work of the two, guaranteed transmission's job stabilization nature.

Drawings

FIG. 1 is a schematic view of the external structure of a transmission;

FIG. 2 is a schematic view of the internal structure of the transmission;

FIG. 3 is an interior side view of the transmission;

in the figure: 1. a base; 11. a sensor; 12. a lead screw protective sleeve; 2. a side plate; 21. a belt protective sleeve; 3. a motor; 4. a lead screw nut mechanism; 41. a lead screw; 42. a guide rail; 43. a slider; 5. a sliding table; 51. an anti-collision block; 6. a belt; 7. mounting a plate; 71. a kidney-shaped hole; 72. fastening a bolt; 73. an adjustment hole; 8. and tensioning the bolt.

Detailed Description

The invention will be further described with reference to specific embodiments and drawings.

Examples

A rear material blocking transmission device of a bending machine is used in the bending machine, a material blocking part of the bending machine is driven to move, accurate positioning of a workpiece is achieved, and the specific structure and the working principle of the device are described in detail below.

As shown in fig. 2, the apparatus includes a base 1, a side plate 2, a motor 3, a screw nut mechanism 4, and a slide table 5. Wherein, base 1 is a rectangle flat board, and base 1 directly sets up on ground or platform when transmission installs. The front end and the rear end of the base 1 are respectively provided with a side plate 2, and the side plates 2 are provided with bearings. The screw nut mechanism 4 is arranged in the base 1 along the length direction of the base 1, two ends of a screw 41 of the screw are respectively hinged with the bearings on the side plates 2, and one end of the screw passes through the side plates 2 and extends out of the bearings.

The motor 3 sets up in the side of base 1, is close to the curb plate 2 that stretches out lead screw 41, has cup jointed the assorted belt pulley on the output shaft of motor 3 and the lead screw 41 that stretches out, connects through 6 transmissions of belt between two belt pulleys. The sliding table 5 is fixedly connected with a nut of the screw nut mechanism 4, meanwhile, a guide rail 42 is arranged on the side edge of the screw 41, a sliding block 43 matched with the guide rail 42 is arranged on the sliding table 5, and in the embodiment, a pair of guide rails 42 is symmetrically arranged on two sides of the screw 41.

When the device works, the mounting part of the stop finger is mounted on the sliding table 5, the screw nut mechanism 4 can be driven to work by controlling the motor 3 to work, the sliding table 5 is driven to move back and forth, and the stop finger is enabled to move and position a workpiece. In order to prevent the sliding table 5 from colliding and rubbing with the front and rear side plates 2 when moving forward and backward, in the embodiment, the sensors 11 are respectively installed at the front and rear end portions of the base 1, the sensors 11 are electrically connected with external control equipment such as a PLC controller and the like, the external control equipment is electrically connected with the motor 3 again, and the sensor 11 controls the motor 3 to stop running after sensing that the sliding table 5 reaches the limit moving position, so as to prevent the sliding table 5 from colliding and damaging with the side plates 2. Further, at least one anti-collision block 51 is respectively installed on the sliding table 5 relative to the two sides of the side plate 2, so that the sliding table 5 can be prevented from directly colliding with the side plate 2, the damage degree of the sliding table 5 in working is reduced, and the service life of the transmission device is prolonged.

Meanwhile, as shown in fig. 1, in order to prevent external dust or foreign materials from entering the screw 41 and the belt 6 and affecting the operation of the screw 41 and the belt 6, the screw protecting sleeve 12 and the belt protecting sleeve 21 are respectively installed above the base 1 and outside the side plate 2. It is worth mentioning that the mounting of the screw rod protecting sleeve 12 does not completely seal the base 1, considering that the slipway 5 needs to be connected with the mounting part of the stop finger. Specifically, both ends respectively with two curb plate 2 fixed connection around lead screw protective sheath 12, and form the clearance that supplies slip table 5 to pass between lead screw protective sheath 12 and the base 1, the width in clearance is greater than the thickness of slip table 5, and the both sides of slip table 5 are passed and are stretched out the clearance, can remove in the clearance.

However, as mentioned in the background, for the design of the belt drive, it is difficult to provide additional tensioning means such as a tensioning wheel to tension the belt 6 due to the small installation space of the side plate 2, and the tensioning of the belt 6 is important for the proper operation of the screw-nut mechanism 4. In view of this, the present embodiment takes the following measures.

As shown in fig. 3, a mounting plate 7 is fixedly sleeved on the motor 3, a screw hole extending in the horizontal direction is formed in the other side of the mounting plate 7 opposite to the motor 3, and a waist-shaped hole 71 is formed in a side edge of the screw hole, in this embodiment, the screw hole is located in the middle of the mounting plate 7 in the width direction, the waist-shaped hole 71 has at least one pair, and the pair is located on the upper side and the lower side of the mounting plate 7 respectively, and the mounting plate 7 is fixed on the side plate 2 by a fastening bolt 72 penetrating through the waist-shaped hole 71. In this way, the belt 6 can be tensioned by screwing one end of the tension bolt 8 into the screw hole and tightly pressing the side plate 2 at the other end, and in this embodiment, the tension bolt 8 tightly presses the bearing installed on the side plate 2.

During installation, the installation plate 7 is fixedly sleeved on the motor, and the belt 6 is sleeved on the belt pulley on the output shaft of the motor 3 and the lead screw 41. Next, the fastening bolts 72 are passed through the kidney-shaped holes 71 and preliminarily screwed into the corresponding bolt holes on the side plates 2, but the fastening bolts 72 are not tightened, so that the mounting plate 7 can be moved in the longitudinal direction of the kidney-shaped holes 71. Then, one end of the tensioning bolt 8 is screwed into a screw hole on the mounting plate 7 for a certain depth, the other end of the tensioning bolt 8 is contacted with a bearing arranged on the side plate 2, the tensioning bolt 8 is reversely screwed, the mounting plate 7 gradually moves until the belt 6 reaches a set tensioning degree, and finally the fastening bolt 72 is screwed, so that the tensioning of the belt 6 and the fixing of the mounting plate 7 are completed.

In addition, in order to avoid the situation that the tensioning bolt 8 is easy to clamp when being screwed in due to the fact that the overlong screw hole is formed in the mounting plate 7, the adjusting hole 73 is formed in the position, close to the screw hole, of the mounting plate 7, the screw hole is communicated with the adjusting hole 73, a space can be provided for screwing in the tensioning bolt, the length of the screw hole can be smaller than that of the tensioning bolt 8, and the problem that the screw hole is overlong is avoided being formed.

To sum up, the material blocking transmission device behind bender of this embodiment can accomplish the regulation to belt tensile force convenient and fast when installing the motor that keeps off material adjustment mechanism behind the bender, simple structure, and the cost is lower.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a bender backstop material transmission, includes base (1), curb plate (2), motor (3), lead screw nut mechanism (4) and slip table (5), the tip at base (1) is installed in curb plate (2), motor (3) set up the side at base (1), lead screw nut mechanism (4) are installed on base (1) and its lead screw (41) pass curb plate (2), and the output shaft of motor (3) passes through belt (6) transmission and connects lead screw (41), slip table (5) and the nut fixed connection of lead screw nut mechanism (4), its characterized in that: the device also comprises a mounting plate (7) and a tensioning bolt (8); the mounting plate (7) is fixedly mounted on the side plate (2), one side of the mounting plate is fixedly connected with the motor (3), and the other side of the mounting plate is provided with a screw hole extending along the horizontal direction; one end of the tensioning bolt (8) tightly props against the side plate (2), and the other end of the tensioning bolt is screwed into the screw hole.

2. The rear material blocking transmission device of the bending machine according to claim 1, characterized in that: the mounting plate (7) is provided with a waist-shaped hole (71) extending along the horizontal direction, and the mounting plate is mounted on the side plate (2) through a fastening bolt (72) inserted into the waist-shaped hole (71).

3. The rear material blocking transmission device of the bending machine according to claim 2, characterized in that: the waist-shaped holes (71) are provided with at least one pair and are respectively positioned at the upper side and the lower side of the mounting plate (7).

4. The rear material blocking transmission device of the bending machine according to claim 2, characterized in that: the screw hole is positioned in the middle of the mounting plate (7) in the width direction.

5. The rear stop transmission device of the bending machine according to claim 4, characterized in that: the mounting plate (7) is provided with an adjusting hole (73) at a position close to the screw hole, and the screw hole is communicated with the adjusting hole (73).

6. The rear stop transmission device of the bending machine according to any one of claims 1 to 5, characterized in that: the side of lead screw (41) is equipped with guide rail (42), be equipped with on slip table (5) with guide rail (42) assorted slider (43).

7. The rear stop transmission device of the bending machine according to any one of claims 1 to 5, characterized in that: and an anti-collision block (51) is arranged on one side of the sliding table (5) opposite to the side plate (2).

8. The rear stop transmission device of the bending machine according to any one of claims 1 to 5, characterized in that: the end of the base (1) is provided with a sensor (11).

9. The rear stop transmission device of the bending machine according to any one of claims 1 to 5, characterized in that: a screw rod protective sleeve (12) is arranged above the base (1); the screw rod protective sleeve (12) is fixedly connected with the side plate (2), and a gap for the sliding table (5) to penetrate is formed between the screw rod protective sleeve and the base (1).

10. The rear stop transmission device of the bending machine according to any one of claims 1 to 5, characterized in that: the outer side of the side plate (2) is provided with a belt protective sleeve (21).