CN215825859U - Stripping mechanism for threaded plastic part - Google Patents

Abstract

The invention discloses a stripping mechanism of a threaded plastic part, which comprises a fixed template, a stripping plate, a core plate, a movable template and a rotary driving part, wherein the fixed template, the stripping plate, the core plate, the movable template and the rotary driving part are sequentially connected, the rotary driving part is arranged on a machine tool driving device, a cavity is formed in the fixed template, a core matched with the cavity is rotatably arranged on the core plate, the rotating axis of the core is parallel to the stripping direction of the stripping plate, the rotary driving part is in transmission connection with the core, and the rotary driving part is detachably connected with the core. The application is helpful for reducing the production cost.

Description

Stripping mechanism for threaded plastic part

Technical Field

The invention relates to the field of injection molds, in particular to a stripping mechanism for a threaded plastic part.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and particularly relates to a method for injecting heated and melted plastics into a cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.

At present, a plurality of plastic covers with internal thread structures exist, when the plastic parts are subjected to injection molding and stripping, a mold is needed, the mold sequentially comprises a fixed mold plate, a stripping plate, a core plate and a movable mold plate, the fixed mold plate is provided with a mold cavity, the core plate is fixed on a mold core matched with the mold cavity, the end part of the mold core positioned in the mold cavity is provided with threads, the core plate is fixedly provided with a motor, the motor is in transmission connection with the mold core, the motor drives the mold core to rotate through chain transmission, the fixed mold plate is provided with an injection port communicated with the mold cavity, the movable mold plate is fixedly connected with a driving device on a machine tool, during the actual molding process of the plastic parts, plastic fluid is injected from the injection port to enter the mold cavity and then is cooled to form the plastic parts, then the driving device on the machine tool drives the movable mold plate to move, and simultaneously the motor drives the mold core to rotate, so that the mold core is separated from the plastic parts, and the plastic parts are positioned on the stripping plate and exposed, and the material removing operation is realized.

Because all need install a motor drive source on this type of mould and take off the material operation, the cost is higher, has the improvement.

Disclosure of Invention

In order to reduce manufacturing cost, this application provides a take off material mechanism of piece is moulded to screw thread.

The application provides a material mechanism that takes off of screw thread plastic part adopts following technical scheme:

the utility model provides a material mechanism that takes off of piece is moulded to screw thread, includes the fixed die plate that connects gradually, takes off flitch, coreboard, movable mould board and installs the rotation driving part on lathe drive arrangement, the die cavity has been seted up on the fixed die plate, rotate on the coreboard be provided with the core of die cavity adaptation, the axis of rotation of core is parallel with the material direction of taking off of flitch, rotation driving part is connected with the core transmission, just rotation driving part and core can dismantle the connection.

Through adopting above-mentioned technical scheme, after moulding a piece injection moulding, drive arrangement drives the movable mould board and removes, rotatory drive unit drives the core simultaneously and rotates, because it contains the internal thread to mould a piece, consequently the core can take off the material through the screw thread realization with moulding a piece, it takes off the material to moulding to be convenient for to utilize this kind of mode, and help guaranteeing the integrity of work piece, will drive rotary part setting on the drive arrangement of lathe, and drive rotary part can dismantle with the core and be connected, can make this drive rotary part take off the material operation to different moulds, need not all install the driving source on every mould promptly, help reduction in production cost promptly.

Preferably, the rotary driving part comprises a chain wheel assembly and a driving piece for driving the chain wheel assembly, the core is at least provided with two, and is fixed with a driven gear coaxially on the core, the core plate is connected with a driving gear in a rotating manner, the driving gear is meshed with all the driven gears, the chain wheel assembly is connected with the driving gear in a transmission manner, and the chain wheel assembly is detachably connected with the driving gear.

Through adopting above-mentioned technical scheme, utilize driving piece drive sprocket assembly to drive the driving gear and rotate, and then drive driven gear and rotate, realize the rotation of core promptly, sprocket assembly can dismantle with the driving gear and be connected, has realized dismantling between rotary drive part and the core promptly and has been connected.

Preferably, the sprocket assembly includes drive sprocket and chain, the driving piece sets up to driving motor, the coaxial fixed connection of drive sprocket and driving motor's output shaft, the last rotation of coreboard is connected with the universal driving shaft, the coaxial driven sprocket that is fixed with on the universal driving shaft, just the drive gear is coaxial to be fixed on the universal driving shaft, the chain cover is established on drive sprocket and driven sprocket, the chain can be dismantled with driven sprocket and be connected.

Through adopting above-mentioned technical scheme, operation driving motor drives drive sprocket and rotates, and drive sprocket passes through the chain and drives driven chain and rotate, and driven sprocket passes through the universal driving shaft and drives the driving gear and rotate, and then realizes the rotation of driven gear and core, and wherein, chain accessible chain detacher is dismantled, realizes dismantling between chain and the driven sprocket and is connected, has realized dismantling between sprocket assembly and the driving gear promptly and is connected.

Preferably, the driving motor is provided with a mounting plate, the mounting plate is fixedly mounted on a driving device of the machine tool, the driving motor is adjustably arranged on the mounting plate, and the adjustable direction of the driving motor is parallel to the length direction of the output shaft of the driving motor.

Through adopting above-mentioned technical scheme, when changing other moulds, adjust the position of driving motor on the rotation driving part for drive sprocket and driven sprocket are located the collinear, help making the rotation driving part drive all kinds of moulds, take off the material, help improving this rotation driving part's suitability promptly.

Preferably, the adjustable level adjusting plate that is provided with on the mounting panel, the adjustable direction of level adjusting plate is parallel with the length direction of driving motor output shaft, driving motor is fixed to be set up on level adjusting plate, first screw hole has been seted up on the mounting panel, first waist type countersunk head groove has been seted up on level adjusting plate, the last first bolt that is provided with of level adjusting plate, first screw hole threaded connection on first waist type countersunk head groove and the mounting panel is passed to first bolt.

Through adopting above-mentioned technical scheme, adjust the fixed position in first bolt and first waist type countersunk head groove, change the position of level adjusting plate on the mounting panel, realize the change of driving motor position promptly.

Preferably, a tensioning assembly for tensioning the chain is arranged on the level adjusting plate.

By adopting the technical scheme, firstly, when the chain is loosened after long-term use, the tensioning assembly is utilized to help the chain to keep a tensioning state, namely to help to ensure the rotation effect of the driving motor; secondly, when other moulds are replaced, the tensioning degree of the chain can be adjusted according to the sizes of different moulds, and the applicability of the rotary driving part is improved.

Preferably, the tensioning assembly comprises a tensioning plate and a fixing plate, the tensioning plate is arranged on the horizontal adjusting plate, the driving motor is fixedly connected with the fixing plate, the fixing plate is adjustably arranged on the tensioning plate, and the adjustable direction of the fixing plate is parallel to the circle center line direction of the driving chain wheel and the driven chain wheel.

Through adopting above-mentioned technical scheme, adjust the fixed plate and remove on the tensioning plate, drive driving sprocket on the driving motor and remove, and then drive the chain and remove, realized the regulation to chain tensioning degree promptly.

Preferably, the tensioning plate is provided with a second waist-shaped countersunk groove, the length direction of the second waist-shaped countersunk groove is parallel to the circle center connecting line direction of the driving sprocket and the driven sprocket, the fixing plate is provided with a second threaded hole corresponding to the second waist-shaped countersunk groove, the tensioning plate is provided with a second bolt, and the second bolt penetrates through the second waist-shaped countersunk groove and is in threaded connection with the second threaded hole.

Through adopting above-mentioned technical scheme, adjust the fixed position of second bolt and second waist type countersunk head groove, change the position of fixed plate on the tensioning plate, realize the regulation to the driving motor position, realize the regulation to the driving sprocket position promptly.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the rotary driving part is arranged on the driving device of the machine tool, so that different dies can be driven, a driving motor does not need to be arranged on each die, and the cost is greatly saved;

2. the rotary driving part is used for driving the mold core to withdraw, so that the demolding of the plastic part is facilitated, and the completeness of the plastic part is guaranteed;

3. the use of a level adjustment plate and a tensioning plate helps to improve the suitability of the rotary drive component.

Drawings

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic partial structural view of an embodiment of the present application, which mainly embodies the structure of a core and a linkage shaft;

FIG. 3 is a schematic view of a portion of a structure of an embodiment of the present application, which mainly shows a structure of a level adjustment plate;

fig. 4 is a partial structural schematic diagram of an embodiment of the present application, which mainly shows the structure of a tensioning assembly.

Reference numerals: 1. fixing a template; 11. a cavity; 2. a material removing plate; 3. a core plate; 31. a core; 32. a driven gear; 4. moving the template; 5. a rotation driving member; 51. a sprocket assembly; 511. a drive sprocket; 512. a chain; 52. a drive motor; 6. a linkage shaft; 61. a driven sprocket; 62. a driving gear; 7. mounting a plate; 71. a first threaded hole; 8. a level adjustment plate; 81. a first waist-shaped countersunk groove; 82. a first bolt; 83. a connecting plate; 9. a tension assembly; 91. a tension plate; 911. a second waist-shaped countersunk groove; 912. a second bolt; 92. a fixing plate; 921. and a second threaded hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a material mechanism that takes off of a screw thread plastic part.

Referring to fig. 1, a stripping mechanism of a threaded plastic part comprises a fixed die plate 1, a stripping plate 2, a core plate 3 and a rotary driving part 5, wherein the fixed die plate 1, the stripping plate 2, the core plate 3 and the movable die plate 4 are sequentially connected, the rotary driving part 5 is arranged on a machine tool, four cavities 11 are formed in the fixed die plate 1, the core plate 3 is rotatably connected with four cores 31 through bearings, the four cores 31 are respectively matched with the four cavities 11 in an inserted manner, threads are arranged at the end parts, located in the corresponding cavities 11, of any core 31, the rotary driving part 5 is in transmission connection with the four cores 31, and the rotary driving part 5 and the four cores 31 can be detachably connected.

In practical application, when plastic fluid is injected into the cavity 11 and is cooled and formed, the driving device on the machine tool drives the movable mold plate 4, the core plate 3 and the stripper plate 2 to move for stripping, and meanwhile, the rotary driving part 5 drives the four mold cores 31 to synchronously rotate, so that the plastic parts on the four mold cores 31 can be separated from the four mold cores 31, stripping is carried out by using the mode, demolding of the plastic parts is facilitated, and the completeness of the plastic parts is guaranteed; and the rotary driving part 5 is detachably connected with the mold core 31, so that the rotary driving part 5 can be connected with various molds and driven to perform stripping operation, a driving source does not need to be installed on each mold, and the production cost is reduced.

Referring to fig. 1 and 2, the rotary driving part 5 includes a chain wheel assembly 51 and a driving member for driving the chain wheel assembly 51, the chain wheel assembly 51 includes a driving chain wheel 511 and a chain 512, the driving member is configured as a driving motor 52, the driving motor 52 is installed on a driving device of a machine tool, the driving chain wheel 511 is coaxially and fixedly connected with an output shaft of the driving motor 52, the core plate 3 is rotatably connected with a linkage shaft 6 through a bearing, a driven chain wheel 61 is coaxially fixed on the linkage shaft 6, the chain 512 is sleeved on the driving chain wheel 511 and the driven chain wheel 61, the chain 512 is detachably connected with the driven chain wheel 61, the circle centers of the driving chain wheel 511 and the driven chain wheel 61 are positioned on the same vertical line, the driving gear 62 is coaxially fixed on the linkage shaft 6, the driven gears 32 are coaxially fixed on the four cores 31, and the four driven gears 32 are distributed on the peripheral side of the driving gear 62 and are all in meshed transmission with the driving gear 62.

In the actual application, operation driving motor 52, driving motor 52 drives driving sprocket 511 and rotates, then driving sprocket 511 drives driven sprocket 61 through chain 512 and rotates, and then drive driving gear 62 rotates, later driving gear 62 drives four driven gear 32 and rotates, realized taking off the material to the rotation of core 31 promptly, chain 512 accessible chain detacher dismantles, realize dismantling between chain 512 and the driven sprocket 61 and be connected, realize dismantling between sprocket assembly 51 and the driving gear 62 promptly and be connected, realized dismantling between rotary driving part 5 and the core 31 promptly and be connected.

Referring to fig. 1 and 3, a mounting plate 7 is arranged below a driving motor 52, the mounting plate 7 is fixedly connected with a machine tool driving device through bolts, a level adjusting plate 8 is arranged on the mounting plate 7 in an adjustable manner along a direction parallel to an output shaft of the driving motor 52, the level adjusting plate 8 is arranged in a driving manner, two first waist-shaped countersunk grooves 81 are arranged on the level adjusting plate 8 at intervals, the length direction of the two first waist-shaped countersunk grooves 81 is parallel to the length direction of the output shaft of the driving motor 52, first threaded holes 71 are arranged on the mounting plate 7 at positions corresponding to the two first waist-shaped countersunk grooves 81, two first bolts 82 are arranged on the level adjusting plate 8, the two first bolts 82 respectively penetrate through the two first waist-shaped countersunk grooves 81 and are respectively in threaded connection with the two first threaded holes 71, the level adjusting plate 8 is moved by loosening the first bolts 82, then the first bolts 82 are tightened, the adjustment of the level adjustment plate 8, i.e., the adjustment of the drive motor 52 is achieved. When another mold is replaced for work, the chain 512 is connected to the driven sprocket 61 of the mold, and then the position of the driving motor 52 is adjusted so that the driving sprocket 511 and the driven sprocket 61 are positioned on the same vertical line, which contributes to the improvement of the applicability of the rotary driving unit 5.

Referring to fig. 1 and 3, the level adjustment plate 8 is provided with a tensioning assembly 9 for tightly adhering the chain 512, and firstly, when the chain 512 is loosened in a long-term use, the tensioning assembly 9 helps to maintain the chain 512 in a tensioned state, i.e. helps to ensure the rotation effect of the driving motor 52; secondly, when other molds are replaced, the tensioning degree of the chain 512 can be adjusted according to the sizes of different molds, which is beneficial to improving the applicability of the rotary driving part 5.

Referring to fig. 1 and 4, the tensioning assembly 9 includes a tensioning plate 91 and a fixing plate 92, two connecting plates 83 are fixed on the level adjusting plate 8 at intervals, the two connecting plates 83 are both arranged in a triangle, the tensioning plate 91 is arranged vertically, the tensioning plate 91 is fixedly connected to the two connecting plates 83 through bolts, the fixing plate 92 is adjustably arranged on the tensioning plate 91, the adjustable direction of the fixing plate 92 is arranged vertically, that is, the adjustable direction of the fixing plate 92 is parallel to the direction of the line connecting the centers of the driving sprocket 511 and the driven sprocket 61, the driving motor 52 is fixedly connected to the fixing plate 92 through bolts, the output shaft of the driving motor 52 sequentially passes through the fixing plate 92 and the tensioning plate 91, two second waist-shaped countersunk slots 911 are arranged on the tensioning plate 91 at intervals, the length directions of the two second waist-shaped countersunk slots 911 are both arranged vertically, and second threaded holes 921 are arranged on the fixing plate 92 at positions corresponding to the two second waist-shaped countersunk slots 911, two second bolts 912 are arranged on the tensioning plate 91, and the two second bolts 912 respectively penetrate through the two second waist-shaped countersunk grooves 911 and are respectively in threaded connection with the two second threaded holes 921. In practical use, the second bolt 912 is loosened, the fixing plate 92 is moved in the vertical direction, and then the second bolt 912 is tightened to adjust the position of the fixing plate 92, so as to adjust the movement of the driving sprocket 511 on the driving motor 52, and further adjust the tension of the chain 512.

The implementation principle of the material mechanism of taking off of this application embodiment of a screw thread plastic part is: in practical application, the driving motor 52 drives the driving sprocket 511 to rotate, the driving sprocket 511 drives the driven sprocket 61 to rotate through the chain 512, then the driven sprocket 61 drives the driving gear 62 to rotate through the universal driving shaft 6, and further drives the driven gear 32 to rotate, so that the rotation of the mold core 31 is realized, that is, the material removing operation of the plastic part is realized, the material removing operation of the plastic part is facilitated by using the mode, and the completeness of the plastic part is favorably ensured; install driving motor 52 on the drive arrangement of lathe, and chain 512 accessible chain detacher dismantles, and form between the driven sprocket 61 and dismantle, make this drive rotary part 5 can be connected with all kinds of moulds promptly, and then take off the material operation to it, need not be equipped with the driving source on every this kind of mould, saved the cost greatly.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (7)

1. The utility model provides a material mechanism that takes off of piece is moulded to screw thread which characterized in that: the core removing machine comprises a fixed die plate (1), a material removing plate (2), a core plate (3), a movable die plate (4) and a rotary driving part (5) installed on a machine tool driving device, wherein the fixed die plate (1) is provided with a cavity (11), the core plate (3) is rotatably provided with a core (31) matched with the cavity (11), the rotating axis of the core (31) is parallel to the material removing direction of the material removing plate (2), the rotary driving part (5) is in transmission connection with the core (31), and the rotary driving part (5) is detachably connected with the core (31); rotatory drive disk assembly (5) include sprocket assembly (51) and the driving piece that is used for driving sprocket assembly (51), core (31) are provided with two at least, arbitrary equal coaxial fixed with driven gear (32) on core (31), it is connected with driving gear (62) to rotate on core board (3), driving gear (62) and all driven gear (32) homogeneous phase meshing, sprocket assembly (51) are connected with driving gear (62) transmission, just sprocket assembly (51) can be dismantled with driving gear (62) and be connected.

2. The stripping mechanism for the thread plastic part according to claim 1, characterized in that: sprocket subassembly (51) includes drive sprocket (511) and chain (512), the driving piece sets up to driving motor (52), the coaxial fixed connection of output shaft of drive sprocket (511) and driving motor (52), it is connected with universal driving shaft (6) to rotate on core plate (3), coaxial driven sprocket (61) that is fixed with on universal driving shaft (6), just drive gear (62) coaxial fixation is on universal driving shaft (6), chain (512) cover is established on drive sprocket (511) and driven sprocket (61), chain (512) can be dismantled with driven sprocket (61) and be connected.

3. The stripping mechanism for the thread plastic part according to claim 2, characterized in that: the adjustable mounting device is characterized in that a mounting plate (7) is arranged on the driving motor (52), the mounting plate (7) is fixedly mounted on a driving device of the machine tool, the driving motor (52) is adjustably arranged on the mounting plate (7), and the adjustable direction of the driving motor (52) is parallel to the length direction of an output shaft of the driving motor (52).

4. The stripping mechanism for the thread plastic part according to claim 3, characterized in that: adjustable level adjusting plate (8) that is provided with on mounting panel (7), the adjustable direction of level adjusting plate (8) is parallel with the length direction of driving motor (52) output shaft, driving motor (52) are fixed to be set up on level adjusting plate (8), first screw hole (71) have been seted up on mounting panel (7), first waist type countersunk head groove (81) has been seted up on level adjusting plate (8), be provided with first bolt (82) on level adjusting plate (8), first bolt (82) pass first waist type countersunk head groove (81) and mounting panel (7) on first screw hole (71) threaded connection.

5. The stripping mechanism for the thread plastic part according to claim 4, wherein: and a tensioning assembly (9) for tensioning the chain (512) is arranged on the level adjusting plate (8).

6. The stripping mechanism for the thread plastic part according to claim 5, wherein: tensioning assembly (9) are including tensioning plate (91) and fixed plate (92), tensioning plate (91) set up on level adjusting plate (8), driving motor (52) and fixed plate (92) fixed connection, the adjustable setting of fixed plate (92) is on tensioning plate (91), the adjustable direction of fixed plate (92) is on a parallel with the centre of a circle line direction of drive sprocket (511) and driven sprocket (61).

7. The stripping mechanism for the thread plastic part according to claim 6, wherein: the tensioning plate (91) is provided with a second waist-shaped countersunk groove (911), the length direction of the second waist-shaped countersunk groove (911) is parallel to the circle center line direction of the driving chain wheel (511) and the driven chain wheel (61), the fixing plate (92) is provided with a second threaded hole (921) corresponding to the second waist-shaped countersunk groove (911), the tensioning plate (91) is provided with a second bolt (912), and the second bolt (912) penetrates through the second waist-shaped countersunk groove (911) and is in threaded connection with the second threaded hole (921).

Images