CN220127266U - Swing type internal mold release device for secondary bending plate - Google Patents

Abstract

The utility model relates to a swinging type internal mold release device for a secondary bending plate, which comprises a cantilever beam and a swing arm seat fixedly connected to the bottom end of one side of the cantilever beam, wherein the swing arm seat is vertically arranged, the bottom end of the swing arm seat is hinged with a swing arm, the height of the hinged part of the swing arm and the swing arm seat is lower than the bottom side of the cantilever beam, the part of the swing arm below the cantilever beam is fixedly connected with an internal mold, one end of the swing arm, which is far away from the internal mold, is hinged with a vertically arranged joint, the joint is vertically connected with the cantilever beam in a sliding manner, a driving piece for driving the joint is arranged on the cantilever beam, a hydraulic piece for pushing the cantilever beam is arranged on the cantilever beam, and a forming piece is arranged below the internal mold. The utility model has the effects of optimizing the demoulding process of the secondary bending plate and improving the problem that the secondary plate is not easy to fall off without damage.

Description

Swing type internal mold release device for secondary bending plate

Technical Field

The utility model relates to the field of plate bending, in particular to a swinging type internal mold release device for secondarily bending plates.

Background

Bending a plate is a very common processing technology, and the plate is bent along a certain bending line to form a workpiece with a required shape, so that the bending can keep the strength and stability of the metal plate and realize complex shapes and curves. The bending machine is not separated from the bending machine by the bending processing equipment, and the existing bending machine can bend single materials for multiple times basically at the same time so as to meet the actual process requirements.

The bending process of the bending machine is generally introduced, firstly, working parameters of the bending machine, including bending angles, bending lengths and the like, are set by workers according to parameters such as materials, lengths and the like of the plates, the plates to be bent are placed on a workbench of the bending machine by the workers after the setting is completed, the corresponding clamping and fixing are carried out, then the bending machine operates, an upper die and a lower die of the bending machine are pressed, the plates are clamped, bending of the plates is realized through movement of the dies, and the processed plates are taken down from the workbench of the bending machine after the bending is completed.

When a single plate is bent for two times or more, impact and friction are considered, demolding is troublesome, no matter before manual blanking or automatic blanking, a fixing piece and a die are needed to avoid the plate, the fixing piece or the die is generally adopted to avoid the plate by combining two motion modes of vertical lifting and transverse movement, the plate can be demolded by repeating lifting and transverse movement for a plurality of times, and the impact of slow-speed motion is unavoidable.

Aiming at the related technology, the inventor considers that the secondary bending plate is taken as an example, and designs a bending machine with the advantage of simple demoulding from the structure of the bending machine, optimizes the blanking process of the plate with the secondary bending times and more than the secondary bending times, and improves the problem that the plate is not easy to fall out without damage.

Disclosure of Invention

In order to optimize the demolding process of the secondary bending plate and solve the problem that the secondary plate is not easy to fall off nondestructively, the utility model provides a swinging inner mold falling-off device for the secondary bending plate.

The utility model provides a swinging type internal mold release device for a secondary bending plate, which adopts the following technical scheme:

the utility model provides a swing type centre form deviate from device for board is bent to secondary, including cantilever beam and the swing arm seat of rigid coupling in cantilever beam one side bottom, the swing arm seat is vertical to be set up, the swing arm seat bottom articulates there is the swing arm, the swing arm is high to be less than cantilever beam bottom side with the swing arm seat articulated portion, the swing arm has the centre form in the part rigid coupling of cantilever beam below, the swing arm is kept away from the one end of centre form and articulates there is the joint of vertical setting, connect and cantilever beam vertical slip to be connected, be provided with the driving piece that is used for driving the joint on the cantilever beam, be provided with the hydraulic part that is used for promoting the cantilever beam on the cantilever beam, the below of centre form is provided with the shaping piece.

By adopting the technical scheme, the inner die is far away from the bending part of the material sheet in a swinging manner, so that collision and impact are avoided, the material sheet is transported between the forming part and the inner die, the forming part extrudes the material sheet to form the material sheet, then the material sheet is demoulded, and when the material sheet is bent for the second time, the driving part pushes the swinging arm, and the inner die is abutted against the lower part of the cantilever beam to realize fixation due to the hinging of the swinging arm and the swinging arm seat; when the die is released, the hydraulic part drives the cantilever beam to lift upwards, the inner die is gradually separated from the material sheet, and when the inner die is lifted to be kept at a safe distance from the material sheet, the driving part drives the swing arm to rotate downwards around the hinge point of the swing arm and the swing arm seat, so that the inner die is far away from the lower part of the first bending part, the material sheet is separated, and further the interference of the inner die and the material sheet is avoided.

Optionally, the driving piece includes the driving cylinder of vertical setting, and the cantilever beam top rigid coupling has the cylinder block, and the cylinder body of cylinder articulates on the cylinder block, and the piston rod of cylinder sets up downwards, and the piston rod tip and the joint top rigid coupling of cylinder.

By adopting the technical scheme, the cylinder body of the driving cylinder is hinged on the cylinder seat, the driving cylinder extends out of the piston rod, the piston rod pushes the swing arm to rotate around the hinge point of the swing arm and the swing arm seat, the inner die is driven to move upwards to be abutted under the cantilever beam, and when the material sheet is bent for the second time, the piston rod of the driving cylinder keeps an extending state, so that the inner die is abutted under the cantilever beam; when demoulding, the driving cylinder withdraws the piston rod, the piston rod drives the joint at the end part to pull back one end of the swing arm, and the swing arm rotates around the hinge point of the swing arm and the swing arm seat, so that the inner die is far away from the lower part of the cantilever beam to realize swinging.

Optionally, offer a plurality of through-holes that transversely run through the swing arm on the swing arm kept away from the centre form, a plurality of through-holes are equidistant along the length direction equidistant distribution of swing arm, connect the equal rigid coupling of bottom and swing arm seat bottom to have the articulated pole that an axial level set up, two articulated poles are all pegged graft in the through-hole.

Through adopting above-mentioned technical scheme, the staff is according to the length of the once bending part of tablet, peg graft the articulated pole on the swing arm seat in the through-hole of different positions, realize changing the distance between centre form tip and the cantilever beam lateral wall, and then adjust the tablet and once bend the distance of part and cantilever beam.

Optionally, the cylinder block includes the cylinder block pole that the axial level that sets up on the cantilever beam and the cylinder block section of thick bamboo of cover on the cylinder block pole, is provided with the fixed establishment who is used for fixed cylinder block section of thick bamboo on the cylinder block pole.

Through adopting above-mentioned technical scheme, because the main energy consumption source of actuating cylinder is the energy loss that compressed air and valve control brought, consider pegging graft the articulated rod on the swing arm seat and can change actuating cylinder's load power in the through-hole of difference, the load power is too big obviously improves actuating cylinder's energy consumption, reduce actuating cylinder's life, for maintaining actuating cylinder's life, through sliding the cylinder seat section of thick bamboo along the cylinder seat pole towards the one side of keeping away from the cantilever beam, reduce the energy consumption through the mode that improves the arm of force, but because the cylinder piston rod stretches out the time increase, lead to efficiency reduction, the efficiency of should rationally balance actuating cylinder and the relation of arm of force.

Optionally, the outer wall of the cylinder seat rod and the inner wall of the cylinder seat cylinder are circumferentially distributed with threads, the cylinder seat cylinder is in threaded connection with the cylinder seat rod, and the cylinder seat cylinder is in threaded connection with the cantilever beam.

Through adopting above-mentioned technical scheme, threaded connection is convenient for adjust the positional relationship between cylinder seat pole and the cylinder seat section of thick bamboo, and the workman directly revolves the cylinder seat pole can, and screw drive's mode stability is high, and self-locking ability is strong.

Optionally, a plurality of fixing bolts horizontally arranged are inserted on the inner die, and the inner die is connected with the swing arm through the fixing bolts.

Through adopting above-mentioned technical scheme, fixing bolt's connected mode can realize that the centre form is stable to be fixed on the swing arm, can realize being convenient for the workman again according to the centre form of the adaptation bending portion of actual conditions change.

Optionally, the shaping piece includes the external mold of setting in the centre form below, and external mold one side slides and is connected with the shaping roller of vertical setting, is provided with the impeller that is used for promoting the shaping roller on the external mold.

Through adopting above-mentioned technical scheme, because consider panel drawing of patterns problem also to consider the interference problem with the shaping when panel unloading simultaneously, this scheme designs the shaping roller that shaping piece can vertically slide, shaping roller only moves the shaping side of butt centre form when the tablet shaping, supports the tablet tight centre form with the tablet, the impeller resets when the drawing of patterns, shaping roller resets to the centre form below.

Optionally, a control component is arranged on one side of the cantilever beam.

By adopting the technical scheme, the control assembly is mainly used for a worker to set the operation parameters of the driving cylinder, adjusts the operation parameters of the driving cylinder to adapt to different through holes, and can also be used for controlling the feeding distance of the forming roller.

Drawings

Fig. 1 is a schematic overall structure of a first embodiment of the present utility model.

Fig. 2 is a schematic view of a structure for highlighting the oscillation of the inner mold.

Fig. 3 is a schematic overall structure of a second embodiment of the present utility model.

Fig. 4 is an exploded view of the threaded rod and the connector for highlighting.

Reference numerals illustrate: 1. a cantilever beam; 11. a swing arm seat; 12. swing arms; 121. a swing arm slot; 122. a through hole; 13. a hinge rod; 14. an inner mold; 141. a fixing bolt; 15. a cylinder block; 151. a threaded rod; 16. A driving cylinder; 17. a joint; 2. a mold base; 21. an outer mold; 22. a pushing cylinder; 23. a forming roller; 3. and (3) a material sheet.

Detailed Description

Embodiment one:

the utility model is described in further detail below with reference to fig. 1-2.

The embodiment of the utility model discloses a swinging type internal mold release device for secondarily bending a plate. Referring to fig. 1 and 2, a swing type inner mold 14 release device for a secondary bending plate comprises a vertically arranged cantilever beam 1, wherein the cantilever beam 1 is pushed by a hydraulic part, a swing arm seat 11 is fixedly connected to one side of the bottom end of the cantilever beam 1, the swing arm seat 11 is vertically arranged, a swing arm 12 horizontally arranged is hinged to the bottom end of the swing arm seat 11, and the height of a hinge point between the swing arm 12 and the swing arm seat 11 is lower than that of the bottom side of the cantilever beam 1; the bottom end of the swing arm seat 11 is fixedly connected with an axial horizontal hinging rod 13, and the hinging rod 13 is rotationally connected with the central part of the swing arm 12; an inner die 14 is fixedly connected to the part of the swing arm 12 corresponding to the lower part of the cantilever beam 1, and one side of the inner die 14 far away from the swing arm seat 11 is bent; one side of the top end of the cantilever beam 1, which is close to the swing arm seat 11, is fixedly connected with a cylinder seat 15, the bottom end of the cylinder seat 15 is provided with a driving cylinder 16 which is vertically arranged, the cylinder body of the driving cylinder 16 is hinged with the bottom side of the cylinder seat 15, the end part of a piston rod of the driving cylinder 16 is fixedly connected with a joint 17, the bottom end of the joint 17 is fixedly connected with a hinge rod 13 which is axially and horizontally arranged, and the hinge rod 13 which is arranged on the joint 17 is rotationally connected with the swing arm 12. When the demolding is not carried out, the driving cylinder 16 keeps the state that the piston rod extends out, the part of the swing arm 12 below the cantilever beam 1 is abutted against the bottom end of the cantilever beam 1, the inner die 14 is abutted against the material sheet 3, during the demolding, the hydraulic part drives the cantilever beam 1 to finish lifting action once until the distance between the inner die 14 and the material sheet 3 is within a safe range, the driving cylinder 16 withdraws the piston rod, the piston rod drives the joint 17 to move upwards, the swing arm 12 surrounds the hinging point of the swing arm 12 and the swing arm seat 11, the inner die 14 is driven to rotate downwards, the part of the material sheet 3 which is bent once is separated, the hydraulic part pushes the cantilever beam 1 to move upwards continuously, the inner die 14 is prevented from interfering with the demolding of the material sheet 3, and then blanking is carried out.

The implementation principle of the swing type inner die release device for the secondary bending plate provided by the embodiment of the utility model is as follows: when the demolding is not carried out, the driving cylinder 16 keeps the state that the piston rod extends out, the part of the swing arm 12 below the cantilever beam 1 is abutted against the bottom end of the cantilever beam 1, the inner die 14 is abutted against the material sheet 3, during the demolding, the hydraulic part drives the cantilever beam 1 to finish lifting action once until the distance between the inner die 14 and the material sheet 3 is within a safe range, the driving cylinder 16 withdraws the piston rod, the piston rod drives the joint 17 to move upwards, the swing arm 12 surrounds the hinging point of the swing arm 12 and the swing arm seat 11, the inner die 14 is driven to rotate downwards, the part of the material sheet 3 which is bent once is separated, the hydraulic part pushes the cantilever beam 1 to move upwards continuously, the inner die 14 is prevented from interfering with the demolding of the material sheet 3, and then blanking is carried out.

Embodiment two:

the utility model is described in further detail below with reference to fig. 3-4.

The second embodiment of the utility model discloses a swinging type internal mold release device for secondarily bending a plate. Referring to fig. 3, a swing type inner die 14 removing device for a secondarily bent plate includes a suspension beam 1 vertically disposed and an inner die 14 disposed under the suspension beam 1; a die seat 2 is arranged below the inner die 14, an outer die 21 is fixedly connected above the die seat 2, and a material sheet 3 is clamped between the top side of the outer die 21 and the bottom side of the inner die 14; one side of the inner die 14 is provided with an arc surface; one side of the die seat 2 is fixedly connected with a vertically arranged pushing cylinder 22, a piston rod of the pushing cylinder 22 is upwards arranged, and the end part of the piston rod of the pushing cylinder 22 is rotationally connected with a forming roller 23 which is axially and horizontally arranged. The material sheet 3 is transported between the top side of the outer die 21 and the bottom side of the inner die 14, after the part to be bent is aligned with the bending side of the inner die 14, the air cylinder 22 is pushed to extend out of the piston rod, the piston rod pushes the forming roller 23 at the end part to rise, the material sheet 3 is abutted against the plate material and pushed to bend along the bending side of the inner die 14, the material sheet 3 is attached to the curved arc surface of the inner die 14 for forming, and after the material sheet 3 is formed, the piston rod of the air cylinder 16 is driven to drive the forming roller 23 to reset.

Referring to fig. 3 and 4, two swing arm seats 11 with the same structure are fixedly connected to the bottom end of one side of the cantilever beam 1, the two swing arm seats 11 are respectively arranged at two edges of one side of the cantilever beam 1, the bottom ends of the two swing arm seats 11 extend to the lower side of the bottom side of the cantilever beam 1, a hinging rod 13 which is axially and horizontally arranged is spliced at the part of the bottom side of the cantilever beam 1 at the extending part of the bottom ends of the two swing arm seats 11, the bottom ends of the two swing arm seats 11 are hinged with swing arms 12 which are horizontally arranged, a plurality of through holes 122 penetrating through the swing arms 12 are formed in the swing arms 12, the through holes 122 are distributed at equal intervals along the length direction of the swing arms 12, and the hinging rods 13 at the bottom ends of the swing arms 12 are spliced in the through holes 122; the swing arm 12 is provided with the centre form 14 in the part below the cantilever beam 1, and the inside grafting of centre form 14 has the fixing bolt 141 of axial level setting, and centre form 14 passes through fixing bolt 141 and cantilever beam 1 bolted connection. The hinging of the swing arm seat 11 and the swing arm 12 enables the inner die 14 of the swing arm seat 11 to rotate around the hinging rod 13 of the swing arm seat 11, and the hinging connection mode is used as a basic swing framework of the embodiment of the utility model, so that the force is applied to one end of the swing arm 12 far away from the inner die 14, and the inner die 14 on the swing arm 12 is tightly attached to the lower part of the cantilever beam 1; the end of the swing arm 12 far away from the inner die 14 is pulled, and the inner die 14 end of the swing arm 12 rotates downwards around the hinging point of the swing arm seat 11 and the swing arm 12, so that swing is realized.

Referring to fig. 3 and 4, a swing arm 12 groove is formed above one end of the swing arm 12 far away from the inner die 14, a joint 17 is slidably connected in the swing arm 12 groove, the bottom end of the joint 17 is arc-shaped, the bottom end of the joint 17 is inserted with a hinge rod 13 which is axially and horizontally arranged, and the hinge rod 13 is inserted in a through hole 122; a threaded rod 151 which is axially and horizontally arranged is in threaded connection with one side above the cantilever beam 1, the end part of the threaded rod 151 penetrates through the cantilever beam 1 to extend to the outside of the opposite side, a cylinder seat 15 is in threaded connection with the position, extending out of the cantilever beam 1, of the end part of the threaded rod 151, the cylinder seat 15 is transversely arranged, and one end of the cylinder seat 15 is in threaded connection with the threaded rod 151; the bottom side of the cylinder seat 15 is hinged with a driving cylinder 16, and the end part of a piston rod of the driving cylinder 16 is fixedly connected with the top end of a joint 17. The swing arm seat 11 and the hinging rod 13 on the joint 17 are respectively inserted into different through holes 122, so that the position of the inner die 14 is changed, the length of a bent part after one bending is adapted, and the interference between the bent part of the material sheet 3 and the cantilever beam 1 is avoided; by screwing the threaded rod 151, the distance between the cylinder seat 15 and the cantilever beam 1 is changed, and the joint 17 is inserted into different through holes 122 to change the arm of force of the driving cylinder 16, so that energy saving is realized.

The implementation principle of the swing type inner die release device for the secondary bending plate in the second embodiment of the utility model is as follows: the second embodiment is the same as the first embodiment in that the inner mold 14 of the swing arm seat 11 can rotate around the hinge rod 13 of the swing arm seat 11 by hinging the swing arm seat 11 and the swing arm 12, the hinged connection mode is used as the basic swing framework of the embodiment of the utility model, the force is applied to one end of the swing arm 12 far away from the inner mold 14, and the inner mold 14 on the swing arm 12 is tightly attached to the lower part of the cantilever beam 1; the end of the swing arm 12 far away from the inner die 14 is pulled, and the inner die 14 end of the swing arm 12 rotates downwards around the hinging point of the swing arm seat 11 and the swing arm 12, so that swing is realized.

The second embodiment is different from the first embodiment in that the hinge rod 13 on the swing arm seat 11 and the joint 17 are respectively inserted into different through holes 122, so that the position of the inner die 14 is changed, the length of a bent part after one-time bending is adapted, and the interference between the bent part and the cantilever 1 is avoided; by screwing the threaded rod 151, the distance between the cylinder seat 15 and the cantilever beam 1 is changed, the joints 17 are spliced into different through holes 122 to change the force arm of the driving cylinder 16, and the load of the driving cylinder 16 is reduced, so that energy saving is realized, and the adjustability of the moment and the force arm is realized on the basis of swing type demolding.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. A swing formula centre form deviate from device for secondary panel of bending, its characterized in that: the device comprises a cantilever beam (1) and a swing arm (12) seat (11) fixedly connected to the bottom end of one side of the cantilever beam (1), wherein the swing arm (12) seat (11) is vertically arranged, the swing arm (12) is hinged to the bottom end of the swing arm (12) seat (11), the height of the hinged part of the swing arm (12) and the swing arm (12) seat (11) is lower than the bottom side of the cantilever beam (1), an inner die (14) is fixedly connected to the part of the swing arm (12) below the cantilever beam (1), a joint (17) which is vertically arranged is hinged to one end of the swing arm (12) far away from the inner die (14), and the joint (17) is vertically slidably connected with the cantilever beam (1);

the suspension beam (1) is provided with a driving piece for driving the joint (17), and the suspension beam (1) is provided with a hydraulic piece for pushing the suspension beam (1);

a molding part is arranged below the inner mold (14).

2. The swinging inner die ejection device for secondarily bending a plate according to claim 1, wherein: the driving piece comprises a driving air cylinder (16) which is vertically arranged, an air cylinder seat (15) is fixedly connected to the top end of the cantilever beam (1), the cylinder body of the air cylinder is hinged to the air cylinder seat (15), the piston rod of the air cylinder is downwards arranged, and the end part of the piston rod of the air cylinder is fixedly connected with the top end of the joint (17).

3. The swinging inner die ejection device for secondarily bending a plate according to claim 1, wherein: a plurality of through holes (122) which transversely penetrate through the swing arm (12) are formed in the swing arm (12) far away from the inner die (14), and the through holes (122) are distributed at equal intervals along the length direction of the swing arm (12);

the bottom ends of the joint (17) and the swing arm (12) seat (11) are fixedly connected with a hinge rod (13) which is axially and horizontally arranged, and the two hinge rods (13) are inserted into the through holes (122).

4. The swinging inner die stripping device for secondarily bending plates according to claim 2, wherein: the cylinder seat (15) comprises a cylinder seat rod which is arranged on the cantilever beam (1) and is axially and horizontally arranged, and a cylinder seat cylinder which is sleeved on the cylinder seat rod, and a fixing mechanism for fixing the cylinder seat cylinder is arranged on the cylinder seat rod.

5. The swinging inner die stripping device for secondarily bending plates according to claim 4, wherein: the outer wall of the cylinder seat rod and the inner wall of the cylinder seat cylinder are circumferentially distributed with threads, the cylinder seat cylinder is in threaded connection with the cylinder seat rod, and the cylinder seat cylinder is in threaded connection with the cantilever beam (1).

6. The swinging inner die ejection device for secondarily bending a plate according to claim 1, wherein: a plurality of fixing bolts (141) which are horizontally arranged are inserted into the inner die (14), and the inner die (14) is connected with the swing arm (12) through the fixing bolts (141) in a bolt mode.

7. The swinging inner die ejection device for secondarily bending a plate according to claim 1, wherein: the forming part comprises an outer die (21) arranged below the inner die (14), one side of the outer die (21) is connected with a forming roller (23) in a sliding mode, and a pushing part for pushing the forming roller (23) is arranged on the outer die (21).

8. The swinging inner die ejection device for secondarily bending a plate according to claim 1, wherein: one side of the cantilever beam (1) is provided with a control component.