阅读说明：本技术 一种新型注塑件折弯机构 (Novel injection molding mechanism of bending ) 是由 李克难 曹厚胜 夏磊磊 龚丙录 于 2020-07-27 设计创作，主要内容包括：本发明属于注塑件加工技术领域,尤其为一种新型注塑件折弯机构,包括安装底板、弯折机构和冲压机构,安装底板包括第一滑槽、第二滑槽和导杆,弯折机构包括折弯板和调节板,折弯板数量为两个,且两个折弯板通过第一转轴铰接,折弯板上设有滑板,折弯板上固定连接有四个对称分布的固定板,滑板与折弯板滑动连接；在使用本发明的时候,能够解除定位板与安装底板之间的连接,控制定位板在安装底板上连接的位置,然后再将两个滑板插入到固定板与折弯板之间,让两个滑板底部接触闭合,通过控制定位板在安装底板上的距离来改变折弯板上面两个滑板之间的角度,再更换合适的冲压模具,就能够把注塑件折弯成其他角度,使装置具有良好的适用性。(The invention belongs to the technical field of injection molding processing, and particularly relates to a novel injection molding bending mechanism which comprises an installation bottom plate, a bending mechanism and a punching mechanism, wherein the installation bottom plate comprises a first chute, a second chute and a guide rod, the bending mechanism comprises two bending plates and an adjusting plate, the two bending plates are hinged through a first rotating shaft, a sliding plate is arranged on each bending plate, four fixing plates which are symmetrically distributed are fixedly connected to each bending plate, and each sliding plate is in sliding connection with each bending plate; when the device is used, the connection between the positioning plate and the mounting bottom plate can be released, the connecting position of the positioning plate on the mounting bottom plate is controlled, then the two sliding plates are inserted between the fixing plate and the bending plate, the bottoms of the two sliding plates are contacted and closed, the angle between the two sliding plates on the bending plate is changed by controlling the distance of the positioning plate on the mounting bottom plate, and then a proper stamping die is replaced, so that the injection molding part can be bent to other angles, and the device has good applicability.)

1. A novel injection molding bending mechanism comprises an installation bottom plate, a bending mechanism and a punching mechanism, and is characterized in that the installation bottom plate comprises a first chute, a second chute and a guide rod, the bending mechanism comprises a bending plate and an adjusting plate, the number of the bending plate is two, the two bending plates are hinged through a first rotating shaft, a sliding plate is arranged on the bending plate, four fixing plates which are symmetrically distributed are fixedly connected onto the bending plate, the sliding plate is in sliding connection with the bending plate, the bending plate is hinged with the adjusting plate through an adjusting rotating shaft, the bottom of the adjusting plate is hinged with a positioning plate through a second rotating shaft, and the positioning plate is detachably connected with the installation bottom plate; the stamping mechanism comprises a stamping plate and a stamping die, wherein the stamping plate is provided with an installation groove, the stamping plate is detachably connected with a plurality of the stamping die, and the stamping die is positioned above the bending plate.

2. The novel injection molding part bending mechanism according to claim 1, characterized in that the mounting base plate is provided with the first sliding groove, the mounting base plate is provided with the second sliding groove, the mounting base plate is fixedly connected with two guide rods which are symmetrically distributed, the guide rods are distributed at two ends of the second sliding groove, the first sliding grooves are distributed at two sides of the second sliding groove, the outer wall of the mounting base plate is uniformly coated with an anticorrosive coating, and the anticorrosive coating is anticorrosive paint.

3. The novel injection molding part bending mechanism according to claim 2, wherein the guide rod sleeve is provided with a buffer spring, and the buffer spring is made of stainless steel.

4. The novel injection molding piece bending mechanism according to claim 1, wherein friction plates are fixedly connected to two ends of the sliding plate, and the friction plates are slidably connected with the fixed plate and the bending plate.

5. The novel injection molding part bending mechanism according to claim 4, wherein a fixing sleeve is fixedly connected to the fixing plate, a fixing bolt is fixed in the fixing sleeve in a screwed mode, and one end of the fixing bolt is in contact with the friction plate.

6. The novel injection molding part bending mechanism according to claim 1, wherein two symmetrically distributed positioning bolts are arranged on the positioning plate, the positioning bolts penetrate through the positioning plate and the mounting base plate, and the positioning plate is fixed with the mounting base plate through the positioning bolts in a threaded manner.

7. The novel injection molding part bending mechanism according to claim 1, wherein a connecting sleeve is fixedly connected to a central position of the top of the stamping plate, and the connecting sleeve is connected with an external cylinder.

8. The novel injection molding part bending mechanism according to claim 3, wherein sliding sleeves are fixedly connected to two ends of the stamping plate, the sliding sleeves are slidably connected with the guide rods, and the bottoms of the sliding sleeves are in contact with the buffer springs.

9. The novel injection molding part bending mechanism according to claim 1, wherein a connecting plate is fixedly connected to one end, close to the stamping plate, of the stamping die, the connecting plate is in contact with the stamping plate in the mounting groove, a connecting bolt is arranged on the stamping plate, the connecting bolt penetrates through the stamping plate and the connecting plate, and the connecting plate is fixed to the stamping plate through the connecting bolt in a threaded manner.

Technical Field

The invention relates to an injection molding part processing device, in particular to a novel injection molding part bending mechanism.

Background

The injection molding part refers to various injection molding products produced by an injection molding machine, and is commonly called injection molding parts, and comprises various packages, parts and the like. The bending machine is a machine capable of bending a thin plate and mainly comprises a support, a workbench and a clamping plate, 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, the cover plate is covered at the top of the recess, when an injection molding piece needs to be bent, the injection molding piece mostly needs to be bent by the bending machine, the bending piece is basically formed by die-casting an upper V-shaped die and a lower V-shaped die, and the injection molding piece directly has a bent shape after being punched.

But the angle that current V type mould was bent is all fixed, can not carry out free regulation to its angle, leads to when the injection molding of other angles of punching press, and people will change the mould, and the mould of suitable angle of changing just can punch the injection molding, leads to manufacturing cost to improve, has delayed people's work efficiency moreover.

Disclosure of Invention

The invention aims to provide a novel injection molding part bending mechanism to solve the problems in the background technology.

But the angle that current V type mould was bent is all fixed, can not carry out free regulation to its angle, leads to when the injection molding of other angles of punching press, and people will change the mould, and the mould of suitable angle of changing just can punch the injection molding, leads to manufacturing cost to improve, has delayed people's work efficiency moreover.

In order to achieve the purpose, the invention provides the following technical scheme:

a novel injection molding bending mechanism comprises an installation bottom plate, a bending mechanism and a punching mechanism, wherein the installation bottom plate comprises a first chute, a second chute and a guide rod, the bending mechanism comprises two bending plates and an adjusting plate, the two bending plates are hinged through a first rotating shaft, a sliding plate is arranged on each bending plate, four fixed plates which are symmetrically distributed are fixedly connected onto each bending plate, each sliding plate is connected with each bending plate in a sliding mode, each bending plate is hinged with each adjusting plate through an adjusting rotating shaft, the bottom of each adjusting plate is hinged with each positioning plate through a second rotating shaft, each positioning plate is detachably connected with the installation bottom plate, when the bending angle needs to be adjusted, the connection between each positioning plate and the installation bottom plate can be released, the position of each positioning plate connected onto the installation bottom plate is adjusted, the positioning plates and the second rotating shafts on the adjusting plates can rotate at the moment, and the angles between the, the adjusting rotating shaft between the adjusting plate and the bending plate can rotate along with the adjusting rotating shaft, the angle between the bending plate and the adjusting plate can be changed, so that the angle between the two bending plates can be changed, the positioning bolt penetrates through the positioning plate and the first chute, then the nut of the positioning bolt is screwed, the two sliding plates are inserted between the fixed plate and the bending plate, the bottoms of the two sliding plates are contacted and closed, the angle between the two sliding plates on the bending plate can be changed by controlling the distance of the positioning plate on the mounting bottom plate, so that the device has good applicability, the punching mechanism comprises a punching plate and a punching die, the punching plate is provided with a mounting groove, the punching plate is detachably connected with a plurality of punching dies, the punching die is positioned above the bending plate, the proper punching die is replaced, an external air cylinder can be controlled to drive the punching plate to move downwards, so that the punching die is driven, the stamping die is matched with the bending mechanism together, and then the injection molding part can be stamped and bent.

As a still further scheme of the invention: first spout has been seted up on the mounting plate, the second spout has been seted up on the mounting plate, two symmetric distribution's of fixedly connected with guide arm on the mounting plate, the guide arm distributes at second spout both ends, first spout distributes in second spout both sides, the mounting plate outer wall has evenly been paintd anticorrosive coating, and anticorrosive coating is anticorrosive paint, can be convenient for adjust the position of locating plate on the mounting plate through first spout, the work of the first pivot of being convenient for through the second spout, anticorrosive paint has good anticorrosive effect, can form the one deck protection film on mounting plate surface, avoid mounting plate and outside air contact to take place the oxidation.

As a still further scheme of the invention: the guide rod cover is equipped with buffer spring, and buffer spring's material is stainless steel, and buffer spring can play a cushioning effect between mounting plate and sliding sleeve, and stainless steel's material has good oxidation resistance moreover, can increase buffer spring's life.

As a still further scheme of the invention: the friction plates are fixedly connected to the two ends of the sliding plate and are in sliding connection with the fixed plate and the bending plate, and the stability of connection of the sliding plate and an external device can be improved through the friction plates.

As a still further scheme of the invention: fixedly connected with fixed sleeve on the fixed plate, the spiro union is fixed with fixing bolt in the fixed sleeve, and fixing bolt one end and friction plate contact can be after adjusting the position of slide on the board of bending, in fixing bolt screw in to the fixed sleeve, let fixing bolt's one end and the friction plate contact on the slide, compress tightly fixedly to the friction plate to fix the slide.

As a still further scheme of the invention: the positioning bolt is arranged on the positioning plate and penetrates through the positioning plate and the mounting bottom plate, the positioning plate is fixed with the mounting bottom plate through the positioning bolt in a threaded mode, the positioning bolt penetrates through the positioning plate and the mounting bottom plate in the mounting process, then the nut of the positioning bolt is screwed, the dismounting process is opposite, and therefore mounting and dismounting between the positioning plate and the mounting bottom plate are achieved.

As a still further scheme of the invention: the punching plate top central point puts fixedly connected with connecting sleeve, and connecting sleeve is connected with outside cylinder, can provide a power to the punching plate through outside cylinder to this drives the punching plate and reciprocates.

As a still further scheme of the invention: the punching press board both ends fixedly connected with sliding sleeve, sliding sleeve and guide arm sliding connection, and sliding sleeve bottom and buffer spring contact can play the effect of a direction through the cooperation between sliding sleeve and the guide arm when the punching press board reciprocates, prevent that the removal orbit of punching press board from taking place the condition of skew.

As a still further scheme of the invention: stamping die is close to the one end fixedly connected with connecting plate of punching press board, the connecting plate contacts with the punching press board in the mounting groove, be equipped with connecting bolt on the punching press board, connecting bolt runs through punching press board and connecting plate, the connecting plate passes through connecting bolt and punching press board spiro union is fixed, in the installation, connecting plate on the stamping die of suitable size (put into the mounting groove, again run through punching press board and connecting plate to connecting bolt, then the nut of connecting bolt is twisted, the process of dismantlement is opposite, thereby realize the installation and the dismantlement between stamping die and the punching press board.

Compared with the prior art, the invention has the beneficial effects that:

1. when the device is used, the connection between the positioning plate and the mounting bottom plate can be released, the connecting position of the positioning plate on the mounting bottom plate is controlled, then the two sliding plates are inserted between the fixing plate and the bending plate, the bottoms of the two sliding plates are contacted and closed, the angle between the two sliding plates on the bending plate is changed by controlling the distance of the positioning plate on the mounting bottom plate, and then a proper stamping die is replaced, so that the injection molding part can be bent to other angles, and the device has good applicability.

2. When the bending device is used, the angle between the two bending plates can be changed by adjusting the bending mechanism by people, and when an injection molding piece needs to be machined into other angles, workers do not need to replace the bending mechanism, so that the use cost of the device is reduced.

Drawings

FIG. 1 is a schematic structural view of a novel injection molding part bending mechanism;

FIG. 2 is a schematic structural diagram of a mounting base plate in a novel injection molding part bending mechanism;

FIG. 3 is a side view of a novel injection molded part bending mechanism;

FIG. 4 is another schematic structural view of a novel injection molding bending mechanism;

FIG. 5 is an enlarged view of portion A of FIG. 4;

FIG. 6 is a schematic structural diagram of a bending mechanism in a novel injection molding part bending mechanism;

FIG. 7 is a schematic structural view of a slide plate in the novel injection molding part bending mechanism;

FIG. 8 is a schematic structural view of a stamping die in a novel injection molding bending mechanism;

FIG. 9 is a schematic structural diagram of a stamping plate in a novel injection molding part bending mechanism.

In the figure: 1. mounting a bottom plate; 11. a first chute; 12. a second chute; 13. a guide bar; 131. a buffer spring; 14. an anti-corrosion coating; 2. a bending mechanism; 21. bending the plate; 211. a first rotating shaft; 212. a slide plate; 213. a friction plate; 22. an adjusting plate; 23. a fixing plate; 231. fixing the sleeve; 232. fixing the bolt; 24. adjusting the rotating shaft; 25. positioning a plate; 251. positioning the bolt; 252. a second rotating shaft; 3. a stamping mechanism; 31. stamping the plate; 311. a connecting sleeve; 312. mounting grooves; 32. a sliding sleeve; 33. a stamping die; 331. a connecting plate; 332. and connecting the bolts.

Detailed Description

Referring to fig. 1 to 9, in the embodiment of the invention, a novel injection molding part bending mechanism comprises an installation bottom plate (1), a bending mechanism (2) and a stamping mechanism (3), wherein the installation bottom plate (1) comprises a first chute (11), a second chute (12) and a guide rod (13), the bending mechanism (2) comprises two bending plates (21) and an adjusting plate (22), the two bending plates (21) are hinged through a first rotating shaft (211), a sliding plate (212) is arranged on each bending plate (21), four fixing plates (23) which are symmetrically distributed are fixedly connected to each bending plate (21), the sliding plates (212) are slidably connected with the bending plates (21), the bending plates (21) are hinged with the adjusting plate (22) through an adjusting rotating shaft (24), the bottom of the adjusting plate (22) is hinged with a positioning plate (25) through a second rotating shaft (252), the positioning plate (25) is detachably connected with the installation bottom plate (1), stamping mechanism (3) have seted up mounting groove (312) including punching press board (31) and stamping die (33) on punching press board (31), can dismantle on punching press board (31) and be connected with a plurality of stamping die (33), and stamping die (33) are located the top of the board (21) of bending.

In fig. 1, 2, 3, 4, 5, 6 and 7: the mounting base plate (1) comprises a first sliding groove (11), a second sliding groove (12) and guide rods (13), the first sliding groove (11) is formed in the mounting base plate (1), the second sliding groove (12) is formed in the mounting base plate (1), the two guide rods (13) which are symmetrically distributed are fixedly connected to the mounting base plate (1), the guide rods (13) are distributed at two ends of the second sliding groove (12), the first sliding grooves (11) are distributed at two sides of the second sliding groove (12), the guide rods (13) are sleeved with buffer springs (131), the buffer springs (131) are made of stainless steel, an anti-corrosion coating (14) is uniformly coated on the outer wall of the mounting base plate (1), the anti-corrosion coating (14) is anti-corrosion paint, the anti-corrosion paint has a good anti-corrosion effect, a layer of protective film can be formed on the surface of the mounting base plate (1), and the mounting base plate (1) is, the bending mechanism (2) comprises two bending plates (21) and an adjusting plate (22), the two bending plates (21) are hinged through a first rotating shaft (211), a sliding plate (212) is arranged on each bending plate (21), four fixing plates (23) which are symmetrically distributed are fixedly connected to each bending plate (21), a fixing sleeve (231) is fixedly connected to each fixing plate (23), a fixing bolt (232) is fixedly screwed in each fixing sleeve (231), each sliding plate (212) is in sliding connection with each bending plate (21), friction plates (213) are fixedly connected to two ends of each sliding plate (212), each friction plate (213) is in sliding connection with each fixing plate (23) and each bending plate (21), one end of each fixing bolt (232) is in contact with each friction plate (213), and when the bending mechanism is used, after the position of each sliding plate (212) on each bending plate (21) is adjusted, each fixing bolt (232) can be screwed into each fixing sleeve (231), one end of a fixing bolt (232) is contacted with a friction plate (213) on a sliding plate (212) to compress and fix the friction plate (213), so that the sliding plate (212) is fixed, a bending plate (21) is hinged with an adjusting plate (22) through an adjusting rotating shaft (24), the bottom of the adjusting plate (22) is hinged with a positioning plate (25) through a second rotating shaft (252), the positioning plate (25) is detachably connected with an installation bottom plate (1), two positioning bolts (251) which are symmetrically distributed are arranged on the positioning plate (25), the positioning bolts (251) penetrate through the positioning plate (25) and the installation bottom plate (1), the positioning plate (25) is fixed with the installation bottom plate (1) through the positioning bolts (251) in a threaded manner, in the installation process, the positioning bolts (251) penetrate through the positioning plate (25) and the installation bottom plate (1), then nuts of the positioning bolts (251) are screwed, and the dismounting process is opposite, thereby realizing the installation and the disassembly between the positioning plate (25) and the installation bottom plate (1), when the bending angle needs to be adjusted, the connection between the positioning plate (25) and the installation bottom plate (1) can be released, the position of the connection of the positioning plate (25) on the installation bottom plate (1) is adjusted, at this time, the second rotating shaft (252) on the positioning plate (25) and the adjusting plate (22) can rotate, the angle between the positioning plate (25) and the adjusting plate (22) can change, the adjusting rotating shaft (24) between the adjusting plate (22) and the bending plate (21) can also rotate along with the rotation, the angle between the bending plate (21) and the adjusting plate (22) can change, thereby changing the angle between the two bending plates (21), the positioning bolt (251) penetrates through the positioning plate (25) and the first chute (11), then the nut of the positioning bolt (251) is screwed, and then the two sliding plates (212) are inserted between the fixing plate (23) and the bending plate (21), the bottoms of the two sliding plates (212) are contacted and closed, and the angle between the two sliding plates (212) on the bending plate (21) is changed by controlling the distance of the positioning plate (25) on the mounting bottom plate (1), so that the device has good applicability.

In fig. 1, 8 and 9: the punching mechanism (3) comprises a punching plate (31) and a punching die (33), a connecting sleeve (311) is fixedly connected to the center of the top of the punching plate (31), the connecting sleeve (311) is connected with an external cylinder, a mounting groove (312) is formed in the punching plate (31), sliding sleeves (32) are fixedly connected to the two ends of the punching plate (31), the sliding sleeves (32) are slidably connected with guide rods (13), the connecting sleeve (311) on the punching plate (31) is connected with the external cylinder, the punching plate (31) can be driven by the external cylinder to move up and down, a guiding effect can be achieved through the matching between the sliding sleeves (32) and the guide rods (13) when the punching plate (31) moves, the deviation is prevented, the bottom of the sliding sleeves (32) is in contact with the buffer spring (131), and the buffer spring (131) can play a buffering role between the mounting base plate (1) and the sliding sleeves (32), the stamping die is characterized in that a plurality of stamping dies (33) are detachably connected to the stamping plate (31), one end, close to the stamping plate (31), of each stamping die (33) is fixedly connected with a connecting plate (331), the connecting plate (331) is in contact with the stamping plate (31) in the mounting groove (312), a connecting bolt (332) is arranged on the stamping plate (31), the connecting bolt (332) penetrates through the stamping plate (31) and the connecting plate (331), the connecting plate (331) is fixed with the stamping plate (31) in a threaded mode through the connecting bolt (332), the connecting plate (331) on the stamping die (33) with the proper size is placed into the mounting groove (312) during mounting, the connecting bolt (332) penetrates through the stamping plate (31) and the connecting plate (331), a nut of the connecting bolt (332) is screwed, the dismounting processes are opposite, and accordingly mounting and dismounting between the stamping dies (33) and the stamping plate (31) are achieved, the stamping die (33) is located above the bending plate (21), the appropriate stamping die (33) is replaced, the external cylinder can be controlled to drive the stamping plate (31) to move downwards, so that the stamping die (33) is driven to descend, and the stamping die (33) is matched with the bending mechanism (2) to stamp and bend the injection molding piece.

The working principle of the invention is as follows: during installation, a positioning bolt (251) penetrates through a positioning plate (25) and an installation bottom plate (1), then a nut of the positioning bolt (251) is screwed, the dismounting process is opposite, so that the installation and the dismounting between the positioning plate (25) and the installation bottom plate (1) are realized, when the folding angle is required to be adjusted, the connection between the positioning plate (25) and the installation bottom plate (1) can be released, the position of the positioning plate (25) connected on the installation bottom plate (1) is adjusted, at this time, a second rotating shaft (252) on the positioning plate (25) and an adjusting plate (22) can rotate, the angle between the positioning plate (25) and the adjusting plate (22) can be changed, an adjusting rotating shaft (24) between the adjusting plate (22) and the folding plate (21) can also rotate along with the same, the angle between the folding plate (21) and the adjusting plate (22) can be changed, and the angle between the two folding plates (21) can be changed, then a positioning bolt (251) penetrates through the positioning plate (25) and the first sliding chute (11), then a nut of the positioning bolt (251) is screwed, then the two sliding plates (212) are inserted between the fixing plate (23) and the bending plate (21), the bottoms of the two sliding plates (212) are contacted and closed, the angle between the two sliding plates (212) on the bending plate (21) is changed by controlling the distance of the positioning plate (25) on the installation bottom plate (1), so that the device has good applicability, then a connecting plate (331) on a punching die (33) with proper size is placed in the installation groove (312), a connecting bolt (332) penetrates through the punching plate (31) and the connecting plate (331), then the nut of the connecting bolt (332) is screwed, and the connecting sleeve (311) on the punching plate (31) is connected with an external cylinder, so that the punching plate (31) can be driven by the external cylinder to move up and down, when punching press board (31) remove can play the effect of a direction through the cooperation between sliding sleeve (32) and guide arm (13), prevent that punching press board (31) moving trajectory from taking place the skew, change suitable stamping die (33), just can control outside cylinder and drive punching press board (31) downstream, thereby drive stamping die (33) and descend, stamping die (33) cooperate with bending mechanism (2) again together, just can be with carrying out the punching press to the injection molding and bend, and because the material hardness of injection molding is lower, can not cause the damage to slide (212).

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.