CN216881330U

CN216881330U - Adjustable die for bending machine

Info

Publication number: CN216881330U
Application number: CN202122951329.4U
Authority: CN
Inventors: 丁治荣
Original assignee: Anhui Wanla Mould Technology Co ltd
Current assignee: Anhui Wanla Mould Technology Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-07-05
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses an adjustable die for a bending machine, which comprises a supporting seat, wherein a rectangular hole is formed in the supporting seat, two die clamps are arranged on the supporting seat, connecting blocks capable of driving the die clamps to move are respectively arranged on each die clamp, and the two connecting blocks are driven by a driving assembly and an auxiliary driving unit to move. The utility model can ensure sufficient power when the two die clamps move to a close distance, ensure the consistency of workpiece forming, and solve the problems that in the prior art, because the moving direction of the driving block is vertical to the moving direction of the die clamps, the driving force of the driving shaft to the die clamps is very small in the later period when the two die clamps are close to each other, if enough driving force is provided, the rotating force to the driving shaft must be increased, and the energy consumption is very large in the later period of workpiece processing.

Description

Adjustable die for bending machine

Technical Field

The utility model relates to a die, in particular to an adjustable die for a bending machine, and belongs to the technical field of bending machine equipment.

Background

An adjustable mold disclosed in patent No. CN201921923083.6 is provided with two mold clamps capable of moving close to or away from each other, and the two mold clamps drive two driving blocks and a connecting rod to move through a driving shaft.

However, since the moving direction of the driving block is perpendicular to the moving direction of the mold clamps, the driving force of the driving shaft to the mold clamps is very small in the later stage when the two mold clamps approach each other, and if a sufficient driving force is to be provided, the rotating force to the driving shaft must be increased, so that the energy consumption is very large in the later stage of workpiece processing.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the defects in the prior art and provide an adjustable die for a bending machine.

In order to solve the problems, the utility model adopts the following technical scheme: the utility model provides a mould with adjustable be used for bender, including a supporting seat, be equipped with the rectangular hole on the supporting seat, be provided with two die clamps on the supporting seat, install the connecting block that can drive the die clamp and remove on every die clamp respectively, these two connecting blocks are removed by drive assembly and auxiliary drive unit drive, auxiliary drive unit is including wearing to establish the rotation axis on two connecting blocks, set up the round hole that holds the rotation axis on the connecting block, the rotation axis is driven by auxiliary motor, the position that is close to the middle part on the rotation axis is provided with two sections external screw threads opposite to soon, be provided with the internal thread that uses with corresponding external screw thread fit in the round hole on the connecting block.

The following is a further optimization of the present invention to the above scheme: the driving assembly comprises a lead screw arranged in the rectangular hole, and the axis of the lead screw is perpendicular to the axis of the rotating shaft.

Further optimization: the screw rod is driven by a driving motor.

Further optimization: the screw rod is provided with two moving blocks with T-shaped longitudinal sections, two sections of threads with opposite rotation directions are arranged on the outer circumference of the screw rod, and screw holes for accommodating the screw rod are formed in the moving blocks.

Further optimization: the two sides of each moving block are respectively connected with the corresponding connecting blocks through the connecting rods, and the moving blocks move to drive the two connecting blocks to be close to or far away from each other through the connecting rods.

Further optimization: the cylinders are respectively installed at the two ends of each connecting rod, and the axis of each cylinder is perpendicular to the length direction of each connecting rod.

Further optimization: the cylinder is provided with an opening along the axis, one end of the opening penetrates through the end face of the cylinder, a boss is arranged on the outer circumference of the cylinder close to the end part, and the longitudinal section of the boss is triangular.

Further optimization: the connecting block and the moving block are provided with bearings at positions corresponding to the cylinders, one ends of the cylinders penetrate through the bearings, and the bosses are clamped on one sides of the bearings.

Further optimization: the movable ring is coaxially sleeved on each cylinder, a spring is arranged between each movable ring and each connecting rod, each spring is sleeved on each cylinder, and two ends of each spring are connected with the corresponding movable ring and the corresponding connecting rod respectively.

During the use, driving motor passes through lead screw, movable block and connecting rod and drives the connecting block removal, and then drives the mould and press from both sides the removal, when two mould press from both sides apart from reducing gradually hour, the lead screw diminishes to the effort of movable block gradually, and the connecting block moves on the rotation axis simultaneously, when connecting block and the epaxial external screw thread contact of rotation, drives the mould through the connecting block and presss from both sides and continue to be close to each other.

The utility model can ensure sufficient power when the two die clamps move to a close distance, ensure the consistency of workpiece forming, and solve the problems that in the prior art, the driving force of the driving shaft to the die clamps is very small at the later stage when the two die clamps are close to each other, and the energy consumption is very large at the later stage of workpiece processing because the moving direction of the driving block is vertical to the moving direction of the die clamps, and the rotating force to the driving shaft must be increased if enough driving force is provided.

The utility model is further illustrated with reference to the following figures and examples.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a bottom view of the drive assembly of an embodiment of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 1;

fig. 4 is an enlarged schematic view of fig. 1 at B.

In the figure: 1-a support seat; 2-mold clamping; 3-a guide rail; 4-a rectangular hole; 5, connecting blocks; 6-a rotating shaft; 7-a moving block; 8-a screw rod; 9-a connecting rod; 10-external threads; 11-a drive motor; 12-an auxiliary motor; 13-a bearing; 14-cylinder; 15-a spring; 16-opening; 17-a boss; 18-moving the ring.

Detailed Description

The embodiment is as shown in fig. 1-4, an adjustable die for a bending machine, which includes a supporting seat 1, a rectangular hole 4 is formed in the supporting seat 1, two ends of the rectangular hole 4 penetrate through the front end and the rear end of the supporting seat 1, two die clamps 2 capable of being close to or away from each other are arranged on the supporting seat 1, a connecting block 5 capable of driving the die clamps 2 to move is fixedly mounted at the bottom of each die clamp 2, and the two connecting blocks 5 are driven by a driving assembly and an auxiliary driving unit to move.

Offer the slot hole that holds connecting block 5 and remove on the supporting seat 1, so not only the removal of connecting block 5 of being convenient for also can make the upper end and the die holder 2 of connecting block 5 be connected simultaneously, and the other end extends to in the rectangular hole 4.

The up end of supporting seat 1 is provided with guide rail 3 along the moving direction of die holder 2, offers the spout that holds guide rail 3 on the guide rail 3 for the removal of die holder 2 is led.

The auxiliary driving unit comprises a rotating shaft 6 arranged on the two connecting blocks 5 in a penetrating mode, the axis direction of the rotating shaft 6 is the same as the moving direction of the die clamp 2, and a round hole for accommodating the rotating shaft 6 is formed in the connecting block 5.

The two ends of the rotating shaft 6 are respectively and coaxially arranged on two side walls of the rectangular hole 4, one end of the rotating shaft 6 penetrates through one side of the supporting seat 1 and is connected with an auxiliary motor 12 in a transmission mode, the auxiliary motor 12 is fixedly arranged on the supporting seat 1, and the auxiliary motor 12 rotates to drive the rotating shaft 6 to rotate.

The position that is close to the middle part on the rotation axis 6 is provided with two sections and revolves to opposite external screw thread 10, is provided with the internal thread that uses with corresponding external screw thread 10 cooperation in the round hole on the connecting block 5, moves to external screw thread 10 department when connecting block 5, and internal thread and external screw thread 10 cooperation further improve the drive to die holder 2, improve the drive effect to die holder 2, because this effort is the same with the moving direction of die holder 2, so can reduce the energy consumption.

The driving assembly comprises a screw rod 8 which is arranged in the rectangular hole 4 and close to the position below the rotating shaft 6, and the axis of the screw rod 8 is vertical to the axis of the rotating shaft 6.

One end of the screw rod 8 is fixedly connected with the inner top wall of the rectangular hole 4 through a bearing seat, the other end of the screw rod is coaxially connected with an output shaft of a driving motor 11, and the driving motor 11 is installed on the inner bottom surface of the rectangular hole through a support.

The lead screw 8 is provided with two moving blocks 7 with T-shaped longitudinal sections, two sections of threads with opposite turning directions are arranged on the outer circumference of the lead screw 8, screw holes for accommodating the lead screw 8 are formed in the moving blocks 7, and the lead screw 8 rotates to drive the two moving blocks 7 to be close to or away from each other.

The two sides of each moving block 7 are respectively connected with the corresponding connecting blocks 5 through the connecting rods 9, and the moving blocks 7 move to drive the two connecting blocks 5 to be close to or far away from each other through the connecting rods 9.

And two ends of each connecting rod 9 are respectively and fixedly provided with a cylinder 14, and the axis of each cylinder 14 is vertical to the length direction of each connecting rod 9.

An opening 16 is formed in the cylinder 14 along the axis of the cylinder, one end of the opening 16 penetrates through the end face of the cylinder 14, a boss 17 is arranged on the outer circumference of the cylinder 14 close to the end, and the longitudinal section of the boss 17 is triangular.

The positions, corresponding to the cylinders 14, of the connecting block 5 and the moving block 7 are provided with bearings 13, counter bores for containing the bearings 13 are formed in the connecting block 5 and the moving block 7, one ends of the cylinders 14 penetrate through inner rings of the bearings 13, the bosses 17 are clamped on one sides of the bearings 13 to prevent separation, and grooves for containing the ends of the cylinders 14 are formed in the counter bores.

A moving ring 18 is coaxially sleeved on each cylinder 14, a spring 15 is arranged between the moving ring 18 and the connecting rod 9, the spring 15 is sleeved on the cylinder 14, two ends of the spring 15 are respectively connected with the moving ring 18 and the connecting rod 9, and the spring 15 can push the moving ring 18 to be tightly pressed against the inner ring of the bearing 13.

During the use, driving motor 11 drives connecting block 5 through lead screw 8, movable block 7 and connecting rod 9 and removes, and then drives the mould and press from both sides 2 and remove, and when two mould press from both sides 2 distance gradually dwindles, the lead screw 8 diminishes gradually the effort of movable block 7, and connecting block 5 moves on rotation axis 6 simultaneously, when connecting block 5 and the last external screw thread contact of rotation axis 6, drives mould through connecting block 5 and press from both sides 2 and continue to be close to each other.

Claims

1. The utility model provides a mould with adjustable be used for bender, includes supporting seat (1), its characterized in that: be equipped with rectangular hole (4) on supporting seat (1), be provided with two die clamps (2) on supporting seat (1), install connecting block (5) that can drive die clamp (2) and remove on every die clamp (2) respectively, these two connecting blocks (5) are by drive assembly and auxiliary drive unit drive removal, auxiliary drive unit is including wearing to establish rotation axis (6) on two connecting blocks (5), set up the round hole that holds rotation axis (6) on connecting block (5), rotation axis (6) are driven by auxiliary motor (12), the position that is close to the middle part on rotation axis (6) is provided with two sections and revolves to opposite external screw thread (10), be provided with the internal thread that uses with corresponding external screw thread (10) cooperation in the round hole on connecting block (5).

2. Adjustable die for bending machines according to claim 1, characterized in that: the driving assembly comprises a screw rod (8) arranged in the rectangular hole (4), and the axis of the screw rod (8) is perpendicular to the axis of the rotating shaft (6).

3. Adjustable die for bending machines according to claim 2, characterized in that: the screw rod (8) is driven by a driving motor (11).

4. Adjustable die for bending machines according to claim 3, characterized in that: two moving blocks (7) with T-shaped longitudinal sections are arranged on the lead screw (8), two sections of threads with opposite rotation directions are arranged on the outer circumference of the lead screw (8), and screw holes for accommodating the lead screw (8) are formed in the moving blocks (7).

5. Adjustable die for bending machines according to claim 4, characterized in that: the two sides of each moving block (7) are respectively connected with the corresponding connecting blocks (5) through connecting rods (9), and the moving blocks (7) move to drive the two connecting blocks (5) to be close to or far away from each other through the connecting rods (9).

6. An adjustable die for bending machines as claimed in claim 5, wherein: and the two ends of each connecting rod (9) are respectively provided with a cylinder (14), and the axis of each cylinder (14) is vertical to the length direction of each connecting rod (9).

7. Adjustable die for bending machines according to claim 6, characterized in that: an opening (16) is formed in the cylinder (14) along the axis of the cylinder, one end of the opening (16) penetrates through the end face of the cylinder (14), a boss (17) is arranged on the outer circumference of the cylinder (14) close to the end, and the longitudinal section of the boss (17) is triangular.

8. Adjustable die for bending machines according to claim 7, characterized in that: the positions, corresponding to the cylinders (14), of the connecting block (5) and the moving block (7) are provided with bearings (13), one end of each cylinder (14) penetrates through each bearing (13), and the bosses (17) are clamped on one side of each bearing (13).

9. Adjustable die for bending machines according to claim 8, characterized in that: each cylinder (14) is coaxially sleeved with a moving ring (18), a spring (15) is arranged between each moving ring (18) and the connecting rod (9), each spring (15) is sleeved on the corresponding cylinder (14), and two ends of each spring are connected with the corresponding moving ring (18) and the corresponding connecting rod (9) respectively.