CN213476483U - Inner convex ring buckle spinning forming die and equipment for paper pulp molding product - Google Patents

Abstract

The inner convex ring buckle spinning forming die comprises a spinning female die and a spinning male die, wherein the spinning female die comprises a circular spinning die matched with the open end of a paper pulp molding product, an inward concave spinning inner groove is formed in the outer wall of the upper end of the circular spinning die, the two side groove walls of a groove opening of the spinning inner groove are connected with the outer wall of the circular spinning die through arc-shaped convex surfaces, the spinning male die comprises a spinning disc die, an outer convex part matched with the spinning inner groove is arranged in the circumferential direction of the spinning disc die, and the upper end of the outer convex part of the spinning is connected with the outer wall of the spinning disc die through a limiting surface.

Description

Inner convex ring buckle spinning forming die and equipment for paper pulp molding product

Technical Field

The utility model belongs to the technical field of machinery, especially, relate to an interior bulge loop of pulp molding products detains spinning forming die and equipment.

Background

Pulp molded products, including pulp molded cup lids and cups and the like.

When the cup cover and the cup are combined, an annular buckle design is generally manufactured on any one side in order to ensure the sealing performance and the anti-falling performance.

The present ring buckle design is made by machining in a pulp molding process to achieve the above-described sealing and release resistance. Although this method can satisfy the use requirement to some extent, it has the following disadvantages:

the structure with different thicknesses can be caused, and the material input is increased;

secondly, the difficulty and cost of opening the mold are increased.

In order to improve the defects of the prior art, for example, chinese patent publication No. 200910157668.6 provides a method for manufacturing a roller press-forming barb groove, which is provided in example 2 of the patent, and the method comprises the steps of, when the outer mold, the inner mold and the ejector block are closed, then, advancing the mold wheel inwards by external power to make the molding strip thereof abut against the surface of the molded cup cover, and further advancing to make the surface of the molded cup cover retract into the receiving groove of the inner mold along with the contour deformation of the molding strip, and then, driving the mold wheel to rotate at least one circle around the surface of the molded cup cover, thereby forming an annular barb groove; the mold wheel is pulled by external power to rapidly move outwards, the outer mold and the inner mold are opened in the opposite direction when the mold is closed, and the molding cup cover with the barb groove is ejected by the ejection block, thus completing a finished product. Because the thickness of the molding cup cover has certain difference, the mechanism pushes the die wheel in place once at the feeding structure, so that feeding control and force feedback do not exist, and processing parameters can not be adjusted according to different qualities of the cup cover blank, so that excessive extrusion is easy to occur during extrusion of the die wheel, and the barb groove of the molding cup cover is crushed. This method is inefficient and expensive.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide an interior bulge loop of pulp molding product detains spinning forming die and equipment that can solve above-mentioned technical problem.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the inner convex ring buckle spinning forming die of the paper pulp molding product comprises a spinning female die and a spinning male die, wherein the spinning female die comprises a circular spinning die matched with the open end of the paper pulp molding product, an inward concave spinning inner groove is formed in the outer wall of the upper end of the circular spinning die, the two side groove walls of a groove opening of the spinning inner groove are connected with the outer wall of the circular spinning die through arc-shaped convex surfaces, the spinning male die comprises a spinning disc die, the circumferential direction of the spinning disc die is provided with a spinning outer convex part matched with the spinning inner groove, and the upper end of the spinning outer convex part is connected with the outer wall of the spinning disc die through a limiting surface.

Preferably, the spinning inner groove is an arc groove, and the groove depth of the arc groove is smaller than the radius of the arc groove.

Preferably, the top edge of the circular spinning die is provided with a circular arc chamfer.

Preferably, the circular spinning die is provided with a sinking groove.

Preferably, the center of the lower surface of the spinning disc die is connected with a connecting cylinder.

Preferably, the lower surface of the spinning disc die has a lower inclined surface connected between the connecting cylinder and the spinning outer convex part, the limiting surface is an inclined surface, and the lower inclined surface and the limiting surface form an acute angle.

The inner convex ring buckle spinning forming equipment of the paper pulp molding product comprises a rack, wherein a turntable which is horizontally arranged is arranged on the rack, the turntable is connected with a rotating power device, a plurality of spinning female dies which are rotatably connected with the turntable and used for fixing the paper pulp molding product are arranged on the turntable, the spinning female dies are distributed circumferentially, a support and a lifting power device which is arranged on the support are arranged on the rack, a pressing block which is rotatably connected with the lifting power device is connected on the lifting power device, the rotating power device drives the turntable to rotate, so that the spinning female dies alternately enter the positions under the pressing block, a lifting seat which is positioned below the turntable and a lifting power device which drives the lifting seat to vertically lift are arranged on the lifting power device, a female die rotating power device is arranged on the lifting seat, the lifting power device drives the female die rotating power device to ascend, and the female die rotating power device and the spinning female dies which enter the positions under the pressing The spinning female die rotates, a spinning male die which is distributed opposite to the spinning female die entering the position right below the pressing block is further arranged on the rack, the spinning male die is connected with the male die rotation driving device, and the male die rotation driving device is arranged on the translation driving device.

Preferably, the rack is provided with at least one sensor fixing block located on the outer side of the rotary power device and a position sensor fixed on one of the sensor fixing blocks, the outer side of the rotary power device is connected with rotary positioning blocks with the number equal to the total number of the spinning female dies, the rotary power device drives the rotary positioning blocks to synchronously rotate, and when the position sensor is opposite to any one of the rotary positioning blocks, one of the spinning female dies is located right below the pressing block.

Preferably, the lifting seat be the rectangle frame, the rotatory power device of die be servo motor and servo motor is located the rectangle frame, servo motor's upper end is fixed on the top side of rectangle frame and servo motor's output shaft upwards runs through the top side of rectangle frame, be equipped with a Y shape sensor at the top surface of rectangle frame, the cover is equipped with a linkage dish on servo motor's output shaft, be equipped with a breach on the linkage dish, the breach of linkage dish enter into to Y shape sensor in then servo motor's output shaft rotate and target in place.

Preferably, the clutch connection structure comprises a flat insertion part arranged at the top of the output shaft of the servo motor, the lower end of each spinning female die is connected with a clutch disc, and the center of each clutch disc is provided with a flat hole for the flat insertion part to be inserted into.

Preferably, the rotary power device is a rotary cylinder, the rotary power device is connected with a rotary shaft, a rotary shaft seat sleeved at the upper end of the rotary shaft is arranged on the rack, the rotary plate is arranged on the end face of the rotary shaft extending to the upper end of the rotary shaft seat, a cantilever block and a supporting notch arranged on the cantilever block are arranged on the side portion of the rotary shaft seat, and the output shaft of the servo motor is clamped in the supporting notch.

Preferably, the turntable comprises a strip-shaped plate, the middle position of the strip-shaped plate is fixed on the upper end face of the rotating shaft, and the two ends of the upper surface of the strip-shaped plate are respectively provided with the spinning female die.

Preferably, the two ends of the strip-shaped plate are respectively provided with a mounting hole, the spinning female die is rotatably mounted in the mounting holes, the clutch disc is positioned in the mounting hole, the two ends of the lower surface of the strip-shaped plate are respectively provided with a lower plate positioned below the clutch disc, a rotating shaft through hole is arranged at the center of the rotating shaft seat, the upper end of the rotating shaft is connected with a bearing group, the bearing group is mounted in the rotating shaft through hole, the middle position of the strip-shaped plate is fixed at the upper end of the bearing group, the two lower plates are symmetrically arranged by the axial lead of the bearing group, and arc concave surfaces matched with the outer wall of the bearing group are respectively arranged on the.

Preferably, the upper surface of the strip-shaped plate is provided with a disc plate, and the outer edge of the disc plate is provided with circular open grooves into which the spinning female dies can extend one by one.

Preferably, the frame include dull and stereotyped down, dull and stereotyped down is connected with the upper flat plate through four stands, lower dull and stereotyped and upper flat plate parallel, the carousel rotate and connect on the upper flat plate, translation drive arrangement fix on the upper flat plate, the lift power ware fix on the dull and stereotyped down, the support fix on the upper flat plate, terrace die rotation drive arrangement and translation drive arrangement install on the upper flat plate.

Preferably, the translation driving device comprises a fixing groove fixed on the upper flat plate and a guide rail parallel to the fixing groove, one end of the fixing groove is connected with a servo motor, an inverted U-shaped sliding plate is arranged at the upper side notch of the fixing groove in a closed mode, the servo motor is connected with the U-shaped sliding plate through a transmission structure arranged in the fixing groove in a built-in mode so as to drive the U-shaped sliding plate to move along the length direction of the fixing groove, the translation driving device further comprises a transverse translation plate, one end of the transverse translation plate is fixed on the U-shaped sliding plate, the other end of the transverse translation plate is connected with a sliding block, the sliding block is connected with the guide rail in a sliding.

Preferably, the upper flat plate is provided with an avoidance hole, the male die rotation driving device is a servo motor, and the servo motor partially extends into the avoidance hole.

The inner wall thickness spinning forming process of paper pulp molded product includes the following steps:

s1, fixing the paper pulp molding product which is not formed by spinning on a spinning concave die;

s2, rotating the turntable and driving a spinning female die to enter the position right below the pressing block;

s3, the lifting power device drives the pressing block to descend and press the top of the pulp molding product;

s4, the lifting power device drives the female die rotating power device to ascend, the female die rotating power device is connected with the spinning female die through a clutch connection structure, and the translation driving device drives the spinning male die arranged on the male die rotating driving device to be close to the spinning female die positioned right below the pressing block;

s5, driving the spinning female die to rotate by the female die rotation power device, driving the spinning male die to rotate by the male die rotation driving device, driving the spinning female die to rotate in the direction opposite to that of the spinning male die, and driving the spinning male die to contact with the outer wall of the paper pulp molding product and spin the paper pulp molding product by the translation driving device;

s6, transferring the pulp molding product after spinning to the position right below the briquetting by using the turntable, then, feeding the unprocessed pulp molding product on the upper part and the lower part of the turntable to the position right below the briquetting, repeating the steps S3-S5, and simultaneously taking down the processed pulp molding product, namely, obtaining the finished product of the pulp molding product.

Compared with the prior art, the inner convex ring buckle spin forming die of the paper pulp molding product has the advantages that:

by using the scheme that the rotary table and the plurality of spinning female dies are cooperated to alternately enter the position right below the pressing block, one spinning station can alternately correspond to the plurality of spinning female dies, so that the waiting time between an unprocessed pulp molding product and a processed pulp molding product is shortened, the production efficiency is improved, and the rotary table is suitable for mass production and processing.

The number of translation devices is small, which reduces the manufacturing cost of the equipment.

The whole structure of the equipment is more compact, and the occupied area is small.

The unprocessed products are placed on one turntable in a concentrated mode, and efficiency is higher.

The convex-concave die is used for rotationally rolling the convex ring, and the mechanical limiting mode of the limiting surface is utilized, so that the manufacturing cost can be reduced, and meanwhile, the production and processing requirements can be met.

Drawings

Fig. 1 is a schematic side-down perspective structure view provided by the present invention.

Fig. 2 is a schematic view of a side-up perspective structure provided by the present invention.

Fig. 3 is a schematic side view of the present invention.

Fig. 4 is a schematic bottom view of the present invention.

Fig. 5 is a simplified schematic diagram of the sensor detection provided by the present invention.

Fig. 6 is a schematic view of the structure of the lower plate provided by the present invention.

Fig. 7 is a schematic diagram of a cantilever block structure according to the present invention.

Fig. 8 is a schematic structural diagram of a pulp molded product before and after spinning.

Fig. 9 is a schematic view of the mold structure provided by the present invention.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 9, the inner convex buckle spinning forming mold of the pulp molded product comprises a spinning female mold 4 and a spinning male mold 7, wherein the pulp molded product is opened downwards and sleeved on the spinning female mold 4.

Specifically, the spinning female die 4 comprises a circular spinning die 42 matched with the open end of the pulp molded product, an inward concave spinning inner groove 43 is arranged on the outer wall of the upper end of the circular spinning die 42, the groove walls on two sides of the notch of the spinning inner groove 43 are connected with the outer wall of the circular spinning die 42 through arc-shaped convex surfaces 44, and the arc-shaped convex surfaces 44 can be smoothly excessive so as to avoid crushing the pulp molded product during spinning.

The spinning male die 7 comprises a spinning disc die 72, the peripheral direction of the spinning disc die 72 is provided with a spinning outer convex part 73 matched with the spinning inner groove 43, and the upper end of the spinning outer convex part 73 is connected with the outer wall of the spinning disc die 72 through a limiting surface 74. The limiting surface 74 can limit the depth of the spinning convex part 73 extending into the spinning inner groove 43, so as to ensure the extending depth every time, thereby improving the spinning processing quality of the product.

The spinning inner groove 43 is an arc groove and the groove depth of the arc groove is smaller than the radius of the arc groove. The arc groove can avoid spinning and cutting off the paper pulp molding product so as to ensure the stress uniformity.

The top edge of the circular spinning die 42 is provided with a circular arc chamfer 45. So as to facilitate the nesting of the pulp molding product.

The circular spinning die 42 is provided with a sinking groove. The counter sink facilitates the formation of a counter bore in the top surface of the circular spinning die 42.

The center of the lower surface of the spinning disk die 72 is connected with a connecting cylinder 75. The connecting cylinder 75 is connected to a connecting shaft that drives the spinning disk die 72 to rotate.

Next, the spinning disk die 72 has a lower inclined surface 76 on the lower surface thereof, which connects between the connecting cylinder 75 and the spinning outer convex portion 73, and the regulating surface 74 is an inclined surface and the lower inclined surface 76 and the regulating surface 74 form an acute angle.

The lower inclined surface 76 and the regulating surface 74 form a regulation, respectively, to ensure stability and reliability of spinning.

The pulp moulded product after spinning is shown in figure 8.

As shown in fig. 1 and 2, an inward-convex buckle spinning forming device for a pulp molding product comprises a frame 1, specifically, the frame 1 of the embodiment comprises a lower flat plate 11, the lower flat plate 11 is connected with an upper flat plate 13 through four upright posts 12, and the lower flat plate 11 is parallel to the upper flat plate 13.

The upright posts 12 are distributed at four angles of the lower flat plate 11, similarly, the upper ends of the upright posts 12 are connected with four corners of the upper flat plate 13, and the space between the lower flat plate 11 and the upper flat plate 13 can form an installation space and play a role of protection.

The frame 1 is provided with a turntable 2 which is horizontally arranged, and the turntable 2 is connected with a rotary power device 3. Preferably, the turntable 2 of the present embodiment is rotatably connected to the upper plate 13.

The rotary table 2 is provided with a plurality of spinning female dies 4 which are rotationally connected with the rotary table 2 and used for fixing the paper pulp molding product, and the spinning female dies 4 are circumferentially distributed. The number of the spinning female dies 4 is two, and of course, the number of the spinning female dies 4 can be 3-6, and the corresponding number can be designed according to actual production requirements.

The frame 1 is provided with a bracket 5, the bracket 5 is fixed on the upper flat plate, and a lifting power device 50 is installed on the bracket 5, the lifting power device 50 is fixed on the lower flat plate 11, the lifting power device 50 is an air cylinder or an oil cylinder, a pressing block 51 rotationally connected with the lifting power device 50 is connected to the lifting power device 50, and the rotary power device 3 drives the rotary table 2 to rotate, so that the spinning female dies 4 alternately enter the position under the pressing block 51.

By using the scheme that the rotary table and the plurality of spinning female dies 4 enter the position right below the pressing block 51 in cooperation with each other, one spinning station can correspond to the plurality of spinning female dies 4 alternately, so that the waiting time between an unprocessed pulp molded product and a processed pulp molded product is shortened.

As shown in fig. 1-4, a lifting seat 6 located below the turntable 2 and a lifting power device 60 driving the lifting seat 6 to vertically lift are arranged on the frame 1, a female die rotation power device 3a is arranged on the lifting seat 6, the lifting power device 60 drives the female die rotation power device 3a to ascend and is connected between the female die rotation power device 3a and a spinning female die 4 entering to the position right below the pressing block 51 through a clutch connection structure so as to rotate the spinning female die 4, spinning male dies 7 distributed opposite to the spinning female die 4 entering to the position right below the pressing block 51 are further arranged on the frame 1, the spinning male dies 7 are connected with a male die rotation driving device 70, and the male die rotation driving device 70 is arranged on the translation driving device 8. The translation drive means 8 are fixed to the upper plate 13. The punch rotation drive means 70 and the translation drive means 8 are mounted on the upper plate.

The clutch connection structure can realize that the spinning female die 4 entering alternately performs independent rotation control so as to ensure the smoothness of alternate operation, further reduce the total amount of rotation power and reduce the investment cost required by equipment manufacture.

In the optimized scheme, as shown in fig. 3-5, at least one sensor fixing block 10 is arranged on the frame 1 and located outside the rotary power device 3, the transverse section of the sensor fixing block 10 is U-shaped, the two sensor fixing blocks 10 of the embodiment are symmetrically distributed, the rotary power device 3 is located between the two sensor fixing blocks 10 to facilitate position detection, and a position sensor 11 fixed on one of the sensor fixing blocks 10, the position sensor 11 being a photoelectric sensor, the outer side of the rotary power device 3 is connected with rotary positioning blocks 30 with the number equal to the total number of the spinning female dies 4, the rotary power device 3 drives the rotary positioning blocks 30 to synchronously rotate, and when the position sensor 11 is opposite to any one of the rotary positioning blocks 30, one of the spinning female dies 4 is positioned right below the pressing block 51. That is, when the position sensor 11 detects a signal of the rotary positioning block 30, it indicates that the spinning female die 4 is rotated in place, and then the spinning operation can be performed, thereby ensuring the reliability of the production process.

The optimization scheme, lift seat 6 is the rectangle frame, die rotary power device 3a be servo motor and servo motor is located the rectangle frame to form the protection to servo motor, servo motor's upper end is fixed on the top side of rectangle frame and servo motor's output shaft runs through the top side of rectangle frame up, top surface at the rectangle frame is equipped with a Y shape sensor 61, Y shape sensor 61 is photoelectric position sensor, the cover is equipped with a linkage dish 31 on servo motor's output shaft, be equipped with a breach 32 on linkage dish 31, the breach 32 of linkage dish 31 enter into to Y shape sensor 61 then servo motor's output shaft rotate and target in place. The structure above mainly ensures the matching accuracy of the clutch connection structure to prevent the position deviation caused by dislocation from failing to realize clutch connection.

According to the optimized scheme, the clutch connection structure comprises flat insertion parts 33 arranged at the tops of output shafts of the servo motors, the lower end of each spinning female die 4 is connected with a clutch disc 40, and a flat hole 41 for inserting the flat insertion parts 33 is formed in the center of the clutch disc 40. Two conical surfaces are arranged on the top of the flat plug-in part 33, and the two conical surfaces form an inverted V-shaped surface to play a role of guiding.

Further, as shown in fig. 1-3 and 7, the rotary power device 3 is a rotary cylinder, the rotary power device 3 is connected with a rotary shaft 34, a rotary shaft seat 35 sleeved on the upper end of the rotary shaft 34 is arranged on the frame 1, the rotary table 2 is installed on an end surface of the rotary shaft 34 extending to the upper end of the rotary shaft seat 35, a cantilever block 36 is arranged on the side portion of the rotary shaft seat 35, and a supporting notch 37 is arranged on the cantilever block 36, and an output shaft of the servo motor is clamped in the supporting notch 37. The holding notches 37 serve as holding and guiding means.

Further, as shown in fig. 1 to 3 and fig. 6, the turntable 2 includes a strip-shaped plate 20, the middle position of the strip-shaped plate 20 is fixed on the upper end surface of the rotating shaft 34, and the two ends of the upper surface of the strip-shaped plate 20 are respectively provided with the above-mentioned spinning female dies 4. Specifically, mounting holes are respectively formed in two ends of the strip-shaped plate 20, the spinning female die 4 is rotatably mounted in the mounting holes, the clutch disc 40 is located in the mounting holes, lower plates 21 located below the clutch disc 40 are respectively arranged at two ends of the lower surface of the strip-shaped plate 20, a rotating shaft through hole is formed in the center of the rotating shaft seat 35, a bearing group 38 is connected to the upper end of the rotating shaft 34, the bearing group 38 is mounted in the rotating shaft through hole, the middle of the strip-shaped plate 20 is fixed to the upper end of the bearing group 38, the two lower plates 21 are symmetrically arranged with the axis of the bearing group 38, and arc concave surfaces 22 matched with the outer wall of the bearing group 38 are respectively arranged on the opposite inner sides of the two lower plates 21. The arc concave surface 22 can improve the smoothness of rotation, and can further improve the matching strength of the joint.

The bearing set 38 includes an upper retainer ring and a lower retainer ring, and a bearing member mounted between the upper retainer ring and the lower retainer ring, with the arcuate recessed surface 22 circumferentially mating with the lower retainer ring.

Secondly, a disc plate 24 is arranged on the upper surface of the strip-shaped plate 20, and circular open grooves 25 into which the spinning female dies 4 extend one by one are arranged on the outer edge of the disc plate 24. A disc plate 24 which may form a shield.

The optimization scheme, translation drive arrangement 8 is including fixing the fixed slot 80 on the last flat board, the both ends of fixed slot 80 are sealed, there is the notch its upside, and the guide rail 81 parallel with fixed slot 80, one end at fixed slot 80 is connected with servo motor 82, and the upside notch with fixed slot 80 seals and is the U-shaped sliding plate 83 of falling the U-shaped, thereby servo motor 82 is connected with U-shaped sliding plate 83 through the transmission structure of placing in fixed slot 80 in and drives U-shaped sliding plate 83 and remove along fixed slot 80 length direction, further, this transmission structure is including connecting the transmission lead screw at servo motor 82 output shaft, the both ends of transmission lead screw are passed through the bearing and are installed on fixed slot 80, the cover is equipped with the lead screw swivel nut on the transmission lead screw, the lead screw swivel nut passes through the fixed pedestal and installs at. The matching of the transmission screw rod and the screw rod thread sleeve can improve the control precision, and the moving stroke of the spinning convex die 7 can be accurately controlled in cooperation with the servo motor.

The punch die further comprises a transverse translation plate 84, one end of the transverse translation plate 84 is fixed on the U-shaped sliding plate 83, the other end of the transverse translation plate 84 is connected with a sliding block 85, the sliding block is in sliding connection with the guide rail 81, and the punch die rotation driving device 70 is fixed on the transverse translation plate 84. The structure can further improve the compactness of the layout.

Secondly, the upper plate 13 is provided with a relief hole 130, the punch rotation driving device 70 is a servo motor, and the servo motor partially extends into the relief hole 130. This structure can further improve the compactness of the layout.

The inner wall thickness spinning forming process of paper pulp molded product includes the following steps:

s1, fixing the paper pulp molding product which is not formed by spinning on the spinning concave die 4; the pulp molding product which is not spun and formed can be fixed on the spinning concave die 4 by a mechanical arm, and of course, the pulp molding product can also be manually molded.

S2, rotating the turntable and driving a spinning female die 4 to enter under the pressing block 51; a spinning die 4 corresponds to a rotary positioning block 30, that is, the position sensor 11 detects a signal of the rotary positioning block 30 opposite to the spinning die 4 entered right below the pressing block 51.

S3, the lifting power device 50 drives the pressing block 51 to descend and press the top of the pulp molding product;

s4, the lifting power device 60 drives the female die rotation power device 3a to ascend, the female die rotation power device 3a and the spinning female die 4 are connected through a clutch connection structure, and the translation driving device 8 drives the spinning male die 7 arranged on the male die rotation driving device 70 to be close to the spinning female die 4 located right below the pressing block 51;

that is, the notch 32 enters the Y-shaped sensor 61, indicating that the position is in place.

S5, the female die rotation power device 3a drives the spinning female die 4 to rotate, the male die rotation driving device 70 simultaneously drives the spinning male die 7 to rotate, the rotation direction of the spinning female die 4 is opposite to that of the spinning male die 7, and the translation driving device 8 drives the spinning male die 7 to contact with the outer wall of the paper pulp molding product and spin the paper pulp molding product;

s6, transferring the pulp molding product after spinning to the position right below the briquetting by using the turntable, then, feeding the unprocessed pulp molding product on the upper part and the lower part of the turntable to the position right below the briquetting, repeating the steps S3-S5, and simultaneously taking down the processed pulp molding product, namely, obtaining the finished product of the pulp molding product.

The air cylinder or the oil cylinder in the embodiment is a double-rod air cylinder or an oil cylinder.

Example two

The working principle and structure of the embodiment are basically the same as those of the first embodiment, and the different structures are as follows: the spinning concave dies 4 are three and are uniformly distributed in the circumference.

EXAMPLE III

The working principle and structure of the embodiment are basically the same as those of the first embodiment, and the different structures are as follows: the spinning concave dies 4 are four in number and are uniformly distributed in the circumference.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (10)

1. The inner convex ring buckle spinning forming die for the pulp molding product comprises a spinning female die (4) and a spinning male die (7), and is characterized in that the spinning female die (4) comprises a circular spinning die (42) matched with the open end of the pulp molding product, an inward concave spinning inner groove (43) is formed in the outer wall of the upper end of the circular spinning die (42), the groove walls on two sides of the groove opening of the spinning inner groove (43) are connected with the outer wall of the circular spinning die (42) through arc-shaped convex surfaces (44), the spinning male die (7) comprises a spinning disc die (72), an outer convex part (73) matched with the spinning inner groove (43) in spinning is arranged in the circumferential direction of the spinning disc die (72), and the upper end of the outer convex part (73) is connected with the outer wall of the spinning disc die (72) through a limiting surface (74).

2. The inward-convex buckle spinning mold for the pulp molded product as recited in claim 1, wherein the spinning inner groove (43) is a circular arc groove and the groove depth of the circular arc groove is smaller than the radius of the circular arc groove.

3. The inner snap ring spinning mold for pulp molded products as recited in claim 1, wherein the top edge of the circular spinning die (42) is provided with a circular chamfer (45).

4. The inner snap ring spinning mold for pulp molded products as recited in claim 1, wherein the circular spinning die (42) is provided with a sinking groove.

5. The inward collar buckle spinning forming die of a pulp molding product according to claim 1, characterized in that the center of the lower surface of the spinning disc die (72) is connected with a connecting cylinder (75).

6. The inner snap spinning mold for the pulp molded product according to claim 5, wherein the lower surface of the spinning disc mold (72) has a lower inclined surface (76) connected between the connecting cylinder (75) and the spinning outer protrusion (73), the restriction surface (74) is an inclined surface and the lower inclined surface (76) and the restriction surface (74) form an acute angle.

7. An inner cam buckle spinning forming device of an inner cam buckle spinning forming die applying any one of the pulp molding products in claims 1-6, comprising a frame (1), wherein a turntable (2) horizontally arranged is arranged on the frame (1), the turntable (2) is connected with a rotating power device (3), a plurality of spinning female dies (4) which are rotatably connected with the turntable (2) and used for fixing the pulp molding products are arranged on the turntable (2), the spinning female dies (4) are circumferentially distributed, a bracket (5) is arranged on the frame (1), and a lifting power device (50) is arranged on the bracket (5), a pressing block (51) rotatably connected with the lifting power device (50) is connected on the lifting power device (50), and the rotating power device (3) drives the turntable (2) to rotate so that the spinning female dies (4) alternately enter under the pressing block (51), it is characterized in that a lifting seat (6) positioned below the turntable (2) and a lifting power device (60) driving the lifting seat (6) to vertically lift are arranged on the frame (1), a female die rotating power device (3a) is arranged on the lifting seat (6), the lifting power device (60) drives the female die rotating power device (3a) to ascend and is connected between the female die rotating power device (3a) and a spinning female die (4) entering to the position right below the pressing block (51) through a clutch connection structure so as to realize the rotation of the spinning female die (4), the frame (1) is also provided with a spinning male die (7) which is distributed opposite to the spinning female die (4) entering the position right below the pressing block (51), the spinning male die (7) is connected with a male die rotation driving device (70), and the male die rotation driving device (70) is arranged on the translation driving device (8); the automatic spinning machine is characterized in that at least one sensor fixing block (10) located on the outer side of the rotary power device (3) and a position sensor (11) fixed on one of the sensor fixing blocks (10) are arranged on the rack (1), the outer side of the rotary power device (3) is connected with rotary positioning blocks (30) with the number equal to the total number of spinning female dies (4), the rotary power device (3) drives the rotary positioning blocks (30) to synchronously rotate, and when the position sensor (11) is opposite to any one of the rotary positioning blocks (30), one of the spinning female dies (4) is positioned right below a pressing block (51);

lifting seat (6) be the rectangle frame, die rotary power device (3a) be servo motor and servo motor is located the rectangle frame, servo motor's upper end is fixed on the top side of rectangle frame and servo motor's output shaft runs through the top side of rectangle frame up, top surface at the rectangle frame is equipped with a Y shape sensor (61), the cover is equipped with a linkage dish (31) on servo motor's output shaft, be equipped with a breach (32) on linkage dish (31), breach (32) when linkage dish (31) get into then in Y shape sensor (61) servo motor's output shaft rotatory target in place.

8. The inward-convex buckle spinning forming device of the pulp molding product according to claim 7, wherein the clutch connection structure comprises a flat insertion part (33) arranged at the top of the output shaft of the servo motor, a clutch disc (40) is respectively connected to the lower end of each spinning concave die (4), and a flat hole (41) for inserting the flat insertion part (33) is formed in the center of the clutch disc (40).

9. The inward convex ring buckle spinning forming device of the pulp molding product according to claim 8, characterized in that the rotary power unit (3) is a rotary cylinder, the rotary power unit (3) is connected with a rotary shaft (34), a rotary shaft seat (35) sleeved on the upper end of the rotary shaft (34) is arranged on the frame (1), the turntable (2) is mounted on the end surface of the rotary shaft (34) extending to the upper end of the rotary shaft seat (35), the side part of the rotary shaft seat (35) is provided with a cantilever block (36) and a supporting notch (37) arranged on the cantilever block (36), and the output shaft of the servo motor is clamped in the supporting notch (37).

10. The inward-convex buckle spinning forming device of the pulp molding product according to claim 7, characterized in that the rotating disc (2) comprises a strip-shaped plate (20), the middle position of the strip-shaped plate (20) is fixed on the upper end surface of the rotating shaft (34), two ends of the upper surface of the strip-shaped plate (20) are respectively provided with the spinning female die (4), two ends of the strip-shaped plate (20) are respectively provided with a mounting hole, the spinning female die (4) is rotatably mounted in the mounting hole, the clutch disc (40) is positioned in the mounting hole, two ends of the lower surface of the strip-shaped plate (20) are respectively provided with a lower plate (21) positioned below the clutch disc (40), the center of the rotating shaft seat (35) is provided with a rotating shaft through hole, the upper end of the rotating shaft (34) is connected with a bearing group (38) and the bearing group (38) is mounted in the rotating shaft through hole, the middle position of the strip-shaped plate (20) is, the two lower plates (21) are symmetrically arranged by the axial lead of the bearing group (38), and arc concave surfaces (22) matched with the outer wall of the bearing group (38) are respectively arranged on the opposite inner sides of the two lower plates (21); the upper surface of the strip-shaped plate (20) is provided with a disc plate (24), and the outer edge of the disc plate (24) is provided with circular open grooves (25) for the spinning female dies (4) to extend into one by one.

Images