A polishing mechanism and method for an injection molding mold for an inner cap of an infusion bottle

Abstract

The present invention discloses a polishing mechanism and method for an injection molding mold for an infusion bottle inner cover, which belongs to the technical field of mold polishing equipment. The output end of each first electric cylinder is respectively fixedly connected to the bottom of a sliding plate, and telescopic columns are respectively arranged on multiple support cylinders on the bottom plate. A placement plate is fixedly installed on the top of the multiple telescopic columns, and a mold is placed on the placement plate. Clamping and positioning units are respectively arranged on both sides of the placement plate, and the polishing unit grinds and polishes the inner side walls of multiple infusion bottle inner cover forming cavities. The present invention clamps the upper top surface of the mold by two clamping and positioning plates, and each positioning pin moves to engage with the positioning hole of the mold. Each polishing wheel is respectively located in each infusion bottle inner cover forming cavity. Each polishing wheel can grind and polish the inner side wall of each infusion bottle inner cover forming cavity during rotation, thereby improving the polishing efficiency, and can simultaneously grind and polish multiple infusion bottle inner cover forming cavities on the mold to ensure the polishing accuracy.

Description

Technical Field

[0001] The invention belongs to the technical field of mold polishing equipment, and in particular relates to a polishing mechanism and a method for an injection molding mold for an inner cover of an infusion bottle. Background Art

[0002] The injection molding mold for the inner cap of the infusion bottle is a tool specially used to manufacture the inner cap of the infusion bottle. The plastic material is heated to a molten state, then injected into the mold, and then cooled and solidified to form the inner cap. The injection molding mold for the inner cap of the infusion bottle usually consists of two parts: the upper mold and the lower mold. The upper mold usually contains the injection port and the key part of the molding cavity of the inner cap of the infusion bottle, which is responsible for injecting the molten plastic into the mold. The lower mold is responsible for forming the bottom of the bottle cap to ensure the quality and accuracy of the finished product.

[0003] The upper mold usually includes a plurality of infusion bottle inner cover molding cavities. The existing polishing mechanism is inconvenient to polish and grind the inside of the infusion bottle inner cover molding cavity of the upper mold. Polishing by workers will reduce the polishing efficiency. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the disadvantages of the above-mentioned prior art and provide a polishing mechanism and method for an injection molding mold for an inner cover of an infusion bottle.

[0005] The technical solution adopted to solve the above technical problems is: a plurality of support frames for supporting the first support plate are arranged on the bottom plate, a plurality of second support columns are arranged on the bottom plate, a first electric cylinder is arranged on each of the second support columns, an output end of each first electric cylinder is fixedly connected to the bottom of the sliding plate, a plurality of support tubes on the bottom plate are arranged on telescopic columns, a plurality of telescopic columns are fixedly connected to the sliding plate, a plurality of telescopic columns are slidably connected to the contact plate, the contact plate is located above the sliding plate, a second electric cylinder is arranged at the bottom of the sliding plate, an output end of the second electric cylinder is fixedly connected to the bottom of the contact plate, a placement plate is fixedly installed on the top of the plurality of telescopic columns, the placement plate is located above the contact plate, a second through hole is processed on the first support plate, and the placement plate is vertically arranged in the second through hole on the first support plate The mold is placed on the placement plate, and clamping and positioning units for clamping and positioning the mold are respectively arranged on both sides of the placement plate. A plurality of infusion bottle inner cover forming cavities are processed on the mold, and a plurality of first support columns for supporting the polishing unit are arranged on the bottom plate. The polishing unit grinds and polishes the inner side walls of the plurality of infusion bottle inner cover forming cavities; the four corners of the placement plate are respectively connected with positioning pins for sliding along the vertical direction, and the four corners of the mold are respectively processed with positioning holes for clamping with the positioning pins, and a resistance shell is respectively arranged at the bottom of each positioning pin, and the bottom of each resistance shell is respectively in resistance with the top of the resistance plate, and a second spring is respectively arranged on each positioning pin, and one end of each second spring is respectively fixedly connected to the bottom of the placement plate, and the other end of each second spring is respectively fixedly connected to the resistance shell.

[0006] Furthermore, a third fixed plate is provided on the first supporting plate, a plurality of feeding wheels for transporting and feeding the mold are provided on one end of the third fixed plate, and the plurality of feeding wheels are located on one side of the placing plate, a plurality of discharging wheels for transporting and discharging the mold are provided on the other end of the third fixed plate, and the plurality of discharging wheels are located on the other side of the placing plate, a first through hole is processed on the placing plate, a plurality of transport wheels for transporting the mold are provided on the third fixed plate, and the plurality of transport wheels slide in the first through hole on the placing plate along the vertical direction.

[0007] Furthermore, the top surfaces of the multiple feeding wheels, the top surfaces of the multiple discharging wheels and the top surfaces of the multiple transport wheels are located on the same horizontal plane.

[0008] Furthermore, the polishing unit is as follows: a first fixing plate is fixedly installed on the top of a plurality of first support columns, a cover plate is arranged on the first fixing plate, a second supporting plate is arranged on the cover plate, a motor is arranged on the second supporting plate, an output shaft of the motor is eccentrically connected to an eccentric wheel, a bottom of the eccentric wheel is eccentrically connected to a disc, a slide plate is connected to the cover plate for reciprocating sliding in a horizontal direction, sliding holes are machined on the cover plate on both sides of the second supporting plate, the slide plate and the two sliding holes reciprocate in a horizontal direction, an arc frame is arranged on the slide plate, an arc through hole is machined on the arc frame, the disc rotates in the arc through hole, and the circumferential side of the disc is connected to the arc The inner side wall of the through hole is abutted and connected, a plurality of bidirectional racks are arranged on the slide plate, a plurality of groups of fixed guide plates in the horizontal direction are arranged on the first fixed plate, each bidirectional rack is slidably connected with the corresponding fixed guide plates in the same horizontal direction in the horizontal direction, a plurality of first connecting shafts are rotatably installed on the first fixed plate, a gear meshing with the teeth on both sides of the bidirectional rack is fixedly installed at the top of each first connecting shaft, a connecting wheel slidably connected with the first fixed plate is arranged on each first connecting shaft, and a polishing wheel for grinding and polishing the inner side walls of the multiple infusion bottle inner cover molding cavities of the mold is arranged at the bottom of each first connecting shaft.

[0009] The two ends of the two guide wheels are connected with each other along the horizontal direction, and the two guide wheels are connected with each other along the horizontal direction, and the two guide wheels are connected with each other along the horizontal direction, and the two guide wheels are connected with each other along the horizontal direction, and the two guide wheels are connected with each other along the horizontal direction, and the two guide wheels are connected with each other along the horizontal direction, and the two guide wheels are connected with each other along the horizontal direction, and the two guide wheels are connected with each other along the horizontal direction, and the two guide wheels are connected with each other along the horizontal direction, and the

[0010] Furthermore, the four corners of the placement plate are respectively provided with abutment rods that abut against the side edges of the mold.

[0011] A polishing method using a polishing mechanism of an injection molding mold for an inner cap of an infusion bottle comprises the following steps:

[0012] S1, push the mold under the polishing unit, and place the clamping and positioning units on both sides of the plate to clamp and position the two sides of the mold respectively:

[0013] The output end of the first electric cylinder drives the sliding plate to move downward in the vertical direction, the sliding plate drives the telescopic column to contract, the telescopic column drives the placement plate to move downward in the vertical direction, the transport wheel on the third fixed plate moves in the first through hole of the placement plate, the top horizontal plane of the placement plate moves to the same horizontal plane as the top horizontal plane of the first support plate, the mold is placed on the multiple feeding wheels of the first support plate, the mold on the feeding wheel is manually pushed to move to the multiple transport wheels, each side of the mold is respectively in conflict with the conflict rod to limit the position of the mold, the positioning holes at the four corners of the mold are respectively located above the positioning pins at the four corners of the placement plate, the first electric cylinder The output end of the second electric cylinder drives the sliding plate to move upward in the vertical direction, the sliding plate drives the telescopic column to extend, and the telescopic column drives the mold on the placement plate to move upward in the vertical direction, the transport wheel on the third fixed plate moves away from the first through hole of the placement plate, and the top horizontal plane of the placement plate moves to be higher than the top horizontal plane of the first support plate, and the output end of the second electric cylinder drives the contact plate to move upward in the vertical direction on the telescopic column, and the contact plate moves to contact with the bottom surface of each contact shell respectively, and each contact shell respectively drives the positioning pin to move in the vertical direction on the placement plate, the second spring contracts, and each positioning pin moves to engage with the positioning hole of the mold respectively;

[0014] S2, the polishing unit grinds and polishes the inner walls of the multiple infusion bottle inner cover forming cavities on the mold. After polishing, the output end of the first electric cylinder drives the sliding plate to move downward in the vertical direction, the sliding plate drives the telescopic column to contract, and the telescopic column drives the placement plate to move downward in the vertical direction. The transport wheel on the third fixed plate moves in the first through hole of the placement plate, and the top horizontal plane of the placement plate moves to the same horizontal plane as the top horizontal plane of the first support plate. The mold on the placement plate is placed on multiple transport wheels, and the mold on the transport wheel is pushed onto multiple discharge wheels to transport the polished mold out.

[0015] Furthermore, in the step S1, the clamping and positioning units on both sides of the placement plate respectively clamp and position the two sides of the mold as follows: the contact plate moves until it contacts the two contact wheels, and under the action of the first spring, the contact wheel drives the second connecting shaft, the second connecting plate and the slide rod to move upward in the vertical direction on the second fixed plate, and the second connecting shaft drives the slider to slide in the horizontal direction on the track through the two second connecting rods respectively, and the horizontal sliding directions of the two sliders on the track are opposite, and the distance between the two sliders increases, and the two sliders drive the first connecting plate to move downward in the vertical direction through the first connecting rod respectively, and the first connecting plate drives the two clamping and positioning plates to move downward in the vertical direction on the placement plate, and the two clamping and positioning plates respectively clamp the upper top surface of the mold.

[0016] Furthermore, in step S2, the method for grinding and polishing the inner walls of multiple infusion bottle inner cover forming cavities of the mold by the polishing unit is as follows: the mold on the placement plate moves upward in the vertical direction, and each infusion bottle inner cover forming cavity on the mold moves upward in the vertical direction respectively, and each polishing wheel is respectively located in each infusion bottle inner cover forming cavity, and the output shaft of the motor drives the eccentric wheel to rotate eccentrically, and the eccentric wheel drives the disc to rotate eccentrically, and the disc contacts the inner side wall of the arc-shaped through hole of the arc-shaped frame, driving the slide plate to reciprocate in the horizontal direction on the first fixed plate, and at the same time, the slide plate reciprocates in the horizontal direction in the sliding hole of the cover plate, and the slide plate drives multiple bidirectional racks to reciprocate in the horizontal direction in the corresponding horizontal fixed guide plate, and the teeth on both sides of each bidirectional rack are respectively engaged with multiple gears for transmission, and drive multiple gears to rotate, and each gear drives the polishing wheel to rotate forward and backward through the first connecting shaft, and each polishing wheel grinds and polishes the inner side wall of each infusion bottle inner cover forming cavity during rotation.

[0017] The beneficial effects of the present invention are as follows: (1) The present invention adopts the method of manually pushing the mold on the feeding wheel to move to multiple transport wheels, controlling the top horizontal plane of the placement plate to move to a level higher than the top horizontal plane of the first support plate, and each positioning pin moves to engage with the positioning hole of the mold respectively. Each polishing wheel is located in each infusion bottle inner cover molding cavity respectively. Each polishing wheel can grind and polish the inner side wall of each infusion bottle inner cover molding cavity during rotation, thereby improving the polishing efficiency, and can grind and polish multiple infusion bottle inner cover molding cavities on the mold at the same time to ensure the polishing accuracy.

[0018] (2) The present invention adopts a motor to rotate eccentrically through an eccentric wheel and a disc in sequence. The disc rotates in the arc-shaped through hole of the arc-shaped frame. The circumferential side surface of the disc contacts the inner wall of the arc-shaped through hole, driving the slide plate to reciprocate in the horizontal direction on the first fixed plate. The slide plate drives multiple bidirectional racks to reciprocate in the horizontal direction in the corresponding horizontal fixed guide plates. The teeth on both sides of each bidirectional rack are respectively engaged with multiple gears for transmission, and drive the multiple gears to rotate. Each gear drives the polishing wheel to rotate forward and reverse through the first connecting shaft, so as to finely and accurately polish the inner cover molding cavity of the infusion bottle.

[0019] (3) The present invention adopts a method in which the contact plate moves until it contacts with the two contact wheels. The contact wheels drive the second connecting shaft, the second connecting plate and the sliding rod to move upward in the vertical direction on the second fixed plate. The second connecting shaft drives the slider to slide in the vertical direction on the upper track through the two second connecting rods respectively. The two sliders drive the first connecting plate to move downward in the vertical direction through the first connecting rod respectively. The first connecting plate drives the two clamping positioning plates to move downward in the vertical direction on the placement plate. The two clamping positioning plates clamp the upper top surface of the mold respectively, which has the advantage of stable clamping.

[0020] (4) The resistance plate in the present invention resists against the resistance wheel and the resistance shell respectively during the movement, and the two clamping and positioning plates clamp the upper top surface of the mold respectively. Each positioning pin moves to engage with the positioning hole of the mold respectively, so that the mold can be accurately positioned. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The present invention is a schematic structural diagram of an embodiment of a polishing mechanism of an injection molding die for an inner cap of an infusion bottle.

[0022] Figure 2 yes Figure 1 Schematic diagram of the structure from another angle.

[0023] Figure 3 It is a schematic diagram of the structure of the mold.

[0024] Figure 4 It is a structural schematic diagram of a mold, a first support plate, a feeding wheel, a discharging wheel and a placement plate.

[0025] Figure 5 It is a structural schematic diagram of the first supporting plate, the transport wheel and the placement plate.

[0026] Figure 6 It is a structural schematic diagram of the first support plate, the feeding wheel, the discharging wheel and the transport wheel.

[0027] Figure 7 It is a structural schematic diagram of a sliding plate, a contact plate, a placement plate, a first through hole, and a positioning pin.

[0028] Figure 8 yes Figure 7 Schematic diagram of the structure from another angle.

[0029] Fig. 9 It is a structural schematic diagram of the polishing unit.

[0030] Fig.10 It is a structural schematic diagram of a slide plate, a first fixed plate, an arc frame, a disc and an eccentric wheel.

[0031] Fig.11 yes Fig.10 The structural diagram without the motor.

[0032] Fig.12 It is a schematic diagram of the structure of a skateboard.

[0033] Fig.13 It is a structural schematic diagram of a bidirectional rack, a gear, a first connecting shaft and a polishing wheel.

[0034] Fig.14 It is a structural schematic diagram of the clamping and positioning unit.

[0035] Fig.15 It is a structural schematic diagram of a first connecting rod, an abutting wheel, a second connecting plate and a second connecting rod.

[0036] Fig.16 It is a schematic diagram of the structure of the interference wheel and the second connecting shaft.

[0037] Figure numerals: 1, mold; 2, first support plate; 3, feeding wheel; 4, first support column; 5, support frame; 6, bottom plate; 7, polishing unit; 701, motor; 702, sliding hole; 703, slide plate; 704, cover plate; 705, second support plate; 706, first fixed plate; 707, arc frame; 708, disc; 709, eccentric wheel; 710, first connecting shaft; 711, polishing wheel; 712, gear; 713, two-way rack; 714, fixed guide plate; 715, connecting wheel; 716, arc through hole; 8, clamping and positioning unit; 801, first connecting plate; 802, first connecting rod; 803, slider; 804, clamp Holding positioning plate; 805, track; 806, second connecting rod; 807, second fixed plate; 808, interference wheel; 809, sliding rod; 810, first spring; 811, second connecting plate; 812, second connecting shaft; 9, first electric cylinder; 10, telescopic column; 11, sliding plate; 12, second electric cylinder; 13, interference plate; 14, discharge wheel; 15, infusion bottle inner cover molding cavity; 16, positioning hole; 17, transport wheel; 18, third fixed plate; 19, placement plate; 20, first through hole; 21, positioning pin; 22, interference rod; 23, second spring; 24, interference shell; 25, support tube; 26, second support column; 27, second through hole. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0039] like Figures 1 to 8 As shown, the polishing mechanism of the injection molding mold for the inner cover of the infusion bottle of this embodiment is composed of a mold 1, a first support plate 2, a feeding wheel 3, a first support column 4, a support frame 5, a base plate 6, a polishing unit 7, a clamping and positioning unit 8, a first electric cylinder 9, a telescopic column 10, a sliding plate 11, a second electric cylinder 12, a contact plate 13, a discharge wheel 14, an infusion bottle inner cover molding cavity 15, a positioning hole 16, a transport wheel 17, a third fixed plate 18, a placement plate 19, a first through hole 20, a positioning pin 21, a contact rod 22, a second spring 23, a contact shell 24, a support tube 25, a second support column 26, and a second through hole 27.

[0040] A plurality of support frames 5 for supporting the first support plate 2 are arranged on the bottom plate 6, a plurality of second support columns 26 are arranged on the bottom plate 6, a first electric cylinder 9 is arranged on each of the second support columns 26, and an output end of each of the first electric cylinders 9 is fixedly connected to the bottom of the sliding plate 11, a plurality of support tubes 25 on the bottom plate 6 are respectively provided with telescopic columns 10, a plurality of telescopic columns 10 are respectively fixedly connected to the sliding plate 11, a plurality of telescopic columns 10 are respectively slidably connected to the contact plate 13, the contact plate 13 is located above the sliding plate 11, a second electric cylinder 12 is arranged at the bottom of the sliding plate 11, and an output end of the second electric cylinder 12 is fixedly connected to the bottom of the contact plate 13 Fixed connection, a placement plate 19 is fixedly installed on the top of the multiple telescopic columns 10, the placement plate 19 is located above the contact plate 13, a second through hole 27 is processed on the first support plate 2, the placement plate 19 slides in the second through hole 27 on the first support plate 2 along the vertical direction, a mold 1 is placed on the placement plate 19, and clamping and positioning units 8 for clamping and positioning the mold 1 are respectively arranged on both sides of the placement plate 19, a plurality of infusion bottle inner cover molding cavities 15 are processed on the mold 1, and a plurality of first support columns 4 for supporting the polishing unit 7 are arranged on the bottom plate 6, and the polishing unit 7 grinds and polishes the inner side walls of the plurality of infusion bottle inner cover molding cavities 15. The four corners of the placement plate 19 are respectively connected with positioning pins 21 for sliding in the vertical direction, and the four corners of the mold 1 are respectively processed with positioning holes 16 for engaging with the positioning pins 21. The bottom of each positioning pin 21 is respectively provided with a resistance shell 24, and the bottom of each resistance shell 24 is respectively in resistance with the top of the resistance plate 13. Each positioning pin 21 is respectively provided with a second spring 23, and one end of each second spring 23 is respectively fixedly connected with the bottom of the placement plate 19, and the other end of each second spring 23 is respectively fixedly connected with the resistance shell 24. The four corners of the placement plate 19 are respectively provided with resistance rods 22 that are in resistance with the side of the mold 1.

[0041] A third fixing plate 18 is provided on the first supporting plate 2, and a plurality of feeding wheels 3 for transporting and feeding the mold 1 are provided at one end of the third fixing plate 18, and the plurality of feeding wheels 3 are located on one side of the placement plate 19, and a plurality of discharging wheels 14 for transporting and discharging the mold 1 are provided at the other end of the third fixing plate 18, and the plurality of discharging wheels 14 are located on the other side of the placement plate 19, and a first through hole 20 is processed on the placement plate 19, and a plurality of transport wheels 17 for transporting the mold 1 are provided on the third fixing plate 18, and the plurality of transport wheels 17 slide in the first through hole 20 on the placement plate 19 in a vertical direction. The top surfaces of the plurality of feeding wheels 3, the top surfaces of the plurality of discharging wheels 14, and the top surfaces of the plurality of transport wheels 17 are located on the same horizontal plane.

[0042] like Figures 9 to 13As shown, the polishing unit 7 is composed of a motor 701, a sliding hole 702, a slide plate 703, a cover plate 704, a second support plate 705, a first fixed plate 706, an arc frame 707, a disc 708, an eccentric wheel 709, a first connecting shaft 710, a polishing wheel 711, a gear 712, a bidirectional rack 713, a fixed guide plate 714, a connecting wheel 715, and an arc through hole 716.

[0043] The polishing unit 7 comprises: a first fixing plate 706 is fixedly installed on the top of a plurality of first supporting columns 4, a cover plate 704 is arranged on the first fixing plate 706, a second supporting plate 705 is arranged on the cover plate 704, a motor 701 is arranged on the second supporting plate 705, an output shaft of the motor 701 is eccentrically connected to an eccentric wheel 709, a bottom of the eccentric wheel 709 is eccentrically connected to a disc 708, a slide plate 703 is connected to the cover plate 704 for reciprocating sliding in a horizontal direction, sliding holes 702 located on both sides of the second supporting plate 705 are machined on the cover plate 704, the slide plate 703 and the two sliding holes 702 reciprocate in a horizontal direction, an arc frame 707 is arranged on the slide plate 703, an arc through hole 716 is machined on the arc frame 707, the disc 708 is located in the arc through hole 716 and rotates, and the disc 708 The circumferential side surface is in contact with the inner wall of the arc-shaped through hole 716, and a plurality of bidirectional racks 713 are arranged on the slide plate 703. A plurality of groups of horizontal fixed guide plates 714 are arranged on the first fixed plate 706. Each bidirectional rack 713 is slidably connected with the corresponding fixed guide plates 714 in the same horizontal direction in the horizontal direction. A plurality of first connecting shafts 710 are rotatably mounted on the first fixed plate 706. A gear 712 meshing with the teeth on both sides of the bidirectional rack 713 is fixedly mounted on the top of each first connecting shaft 710. A connecting wheel 715 slidably connected with the first fixed plate 706 is arranged on each first connecting shaft 710, and a polishing wheel 711 for grinding and polishing the inner wall of the plurality of infusion bottle inner cover forming cavities 15 of the mold 1 is arranged at the bottom of each first connecting shaft 710.

[0044] like Figures 14 to 16 As shown, the clamping and positioning unit 8 is composed of a first connecting plate 801, a first connecting rod 802, a slider 803, a clamping and positioning plate 804, a track 805, a second connecting rod 806, a second fixed plate 807, a contact wheel 808, a sliding rod 809, a first spring 810, a second connecting plate 811, and a second connecting shaft 812.

[0045] The clamping and positioning unit 8 is as follows: horizontal tracks 805 are respectively arranged on both sides of the placement plate 19, and two sliders 803 are respectively connected to each track 805 in a horizontal sliding manner, and the horizontal sliding directions of each slider 803 are opposite. Each slider 803 is rotatably connected to one end of the first connecting rod 802, and the other ends of the two first connecting rods 802 are respectively rotatably connected to the first connecting plate 801. The first connecting plate 801 is respectively provided with clamping and positioning plates 804 for clamping the top of the mold 1 at both ends, and each clamping and positioning plate 804 is respectively connected to the placement plate 19 in a vertical sliding direction. A second fixed plate 804 located between the two sliders 803 is fixedly installed on the track 805. 7. A slide bar 809 is slidably connected to the second fixed plate 807 in a vertical direction, a second connecting plate 811 is arranged at the bottom of the slide bar 809, a first spring 810 is arranged on the slide bar 809, one end of the first spring 810 is fixedly connected to the bottom of the second fixed plate 807, the other end of the first spring 810 is fixedly connected to the second connecting plate 811, a second connecting shaft 812 is rotatably installed on the second connecting plate 811, and both ends of the second connecting shaft 812 are respectively provided with abutment wheels 808 abutting against the top of the abutment plate 13, each slider 803 is rotatably connected to one end of the second connecting rod 806, and the other end of each second connecting rod 806 is rotatably connected to the second connecting shaft 812.

[0046] A polishing method for a polishing mechanism of an injection molding mold for an inner cap of an infusion bottle in this embodiment includes the following steps:

[0047] S1, push the mold 1 to the bottom of the polishing unit 7, and place the clamping and positioning units 8 on both sides of the plate 19 to clamp and position the two sides of the mold 1 respectively:

[0048] The output end of the first electric cylinder 9 drives the sliding plate 11 to move downward in the vertical direction, the sliding plate 11 drives the telescopic column 10 to contract, the telescopic column 10 drives the placement plate 19 to move downward in the vertical direction, the transport wheel 17 on the third fixed plate 18 moves in the first through hole 20 of the placement plate 19, the top horizontal plane of the placement plate 19 moves to the same horizontal plane as the top horizontal plane of the first support plate 2, the mold 1 is placed on the multiple feeding wheels 3 of the first support plate 2, the mold 1 on the feeding wheel 3 is manually pushed to move onto the multiple transport wheels 17, each side of the mold 1 is respectively in conflict with the conflict rod 22 to limit the position of the mold 1, the positioning holes 16 at the four corners of the mold 1 are respectively located above the positioning pins 21 at the four corners of the placement plate 19, the output end of the first electric cylinder 9 The output end drives the sliding plate 11 to move upward in the vertical direction, the sliding plate 11 drives the telescopic column 10 to extend, the telescopic column 10 drives the mold 1 on the placement plate 19 to move upward in the vertical direction, the transport wheel 17 on the third fixed plate 18 moves away from the first through hole 20 of the placement plate 19, the top horizontal plane of the placement plate 19 moves to a level higher than the top horizontal plane of the first support plate 2, the output end of the second electric cylinder 12 drives the contact plate 13 to move upward in the vertical direction on the telescopic column 10, the contact plate 13 moves to contact with the bottom surface of each contact shell 24 respectively, each contact shell 24 drives the positioning pin 21 to move in the vertical direction on the placement plate 19 respectively, the second spring 23 contracts, and each positioning pin 21 moves to engage with the positioning hole 16 of the mold 1 respectively.

[0049] The method for the clamping and positioning units 8 on both sides of the placement plate 19 to clamp and position the two sides of the mold 1 is as follows: the contact plate 13 moves until it contacts the two contact wheels 808. Under the action of the first spring 810, the contact wheel 808 drives the second connecting shaft 812, the second connecting plate 811 and the slide bar 809 to move upward in the vertical direction on the second fixed plate 807. The second connecting shaft 812 drives the slider 803 to slide horizontally on the track 805 through the two second connecting rods 806 respectively. The horizontal sliding directions of the two sliders 803 on the track 805 are opposite. The distance between the two sliders 803 increases. The two sliders 803 drive the first connecting plate 801 to move downward in the vertical direction through the first connecting rod 802 respectively. The first connecting plate 801 drives the two clamping and positioning plates 804 to move downward in the vertical direction on the placement plate 19. The two clamping and positioning plates 804 clamp the upper top surface of the mold 1 respectively.

[0050] S2: The polishing unit 7 grinds and polishes the inner walls of the multiple infusion bottle inner cover forming cavities 15 on the mold 1. After polishing, the output end of the first electric cylinder 9 drives the sliding plate 11 to move downward in the vertical direction, and the sliding plate 11 drives the telescopic column 10 to contract, and the telescopic column 10 drives the placement plate 19 to move downward in the vertical direction. The transport wheel 17 on the third fixed plate 18 moves in the first through hole 20 of the placement plate 19, and the top horizontal plane of the placement plate 19 moves to the same horizontal plane as the top horizontal plane of the first support plate 2. The mold 1 on the placement plate 19 is placed on multiple transport wheels 17, and the mold 1 on the transport wheel 17 is pushed onto multiple discharge wheels 14 and the polished mold 1 is transported out.

[0051] The polishing unit 7 grinds and polishes the inner side walls of the multiple infusion bottle inner cover forming cavities 15 of the mold 1 in the following manner: the mold 1 on the placement plate 19 moves upward in the vertical direction, each infusion bottle inner cover forming cavity 15 on the mold 1 moves upward in the vertical direction respectively, each polishing wheel 711 is respectively located in each infusion bottle inner cover forming cavity 15, the output shaft of the motor 701 drives the eccentric wheel 709 to rotate eccentrically, the eccentric wheel 709 drives the disc 708 to rotate eccentrically, the disc 708 rotates in the arc-shaped through hole 716 of the arc-shaped frame 707, the circumferential side of the disc 708 contacts the inner side wall of the arc-shaped through hole 716, and drives the slide plate 7 03 reciprocates horizontally on the first fixed plate 706, and at the same time, the slide plate 703 reciprocates horizontally in the sliding hole 702 of the cover plate 704, and the slide plate 703 drives multiple bidirectional racks 713 to reciprocate horizontally in the corresponding horizontal fixed guide plate 714, and the teeth on both sides of each bidirectional rack 713 are respectively engaged with multiple gears 712 for transmission, and drive multiple gears 712 to rotate, and each gear 712 drives the polishing wheel 711 to rotate forward and reversely through the first connecting shaft 710, and each polishing wheel 711 grinds and polishes the inner wall of each infusion bottle inner cover molding cavity 15 during rotation.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A polishing mechanism for an injection molding mold for an inner cap of an infusion bottle, characterized in that: The invention comprises a placement plate (19), a mold (1) is placed on the placement plate (19), clamping and positioning units (8) for clamping and positioning the mold (1) are respectively arranged on both sides of the placement plate (19), a plurality of infusion bottle inner cover molding cavities (15) are processed on the mold (1), a plurality of first support columns (4) for supporting a polishing unit (7) are arranged on the bottom plate (6), and the polishing unit (7) grinds and polishes the inner side walls of the plurality of infusion bottle inner cover molding cavities (15); The polishing unit (7) comprises: a plurality of first support columns (4) having a first fixing plate (706) fixedly mounted on the top end thereof, a cover plate (704) being arranged on the first fixing plate (706), a second support plate (705) being arranged on the cover plate (704), a motor (701) being arranged on the second support plate (705), an output shaft of the motor (701) being eccentrically connected to an eccentric wheel (709), and a bottom of the eccentric wheel (709) being eccentrically connected to a disc (708) The cover plate (704) is connected with a slide plate (703) for reciprocating sliding in a horizontal direction. The cover plate (704) is machined with slide holes (702) located on both sides of the second support plate (705). The slide plate (703) and the two slide holes (702) reciprocate in a horizontal direction. The slide plate (703) is provided with an arc frame (707). The arc frame (707) is machined with an arc through hole (716). The disc (708) is located in the arc through hole (716) and rotates. The circumferential side surface of the disk (708) is in contact with the inner side wall of the arc-shaped through hole (716), a plurality of bidirectional racks (713) are arranged on the slide plate (703), a plurality of groups of fixed guide plates (714) in the horizontal direction are arranged on the first fixed plate (706), each bidirectional rack (713) is respectively connected to the corresponding fixed guide plate (714) in the same horizontal direction in a sliding manner in the horizontal direction, a plurality of first connecting shafts (710) are rotatably mounted on the first fixed plate (706), a gear (712) meshing with the teeth on both sides of the bidirectional rack (713) is respectively fixedly mounted on the top of each first connecting shaft (710), each first connecting shaft (710) is provided with a connecting wheel (715) slidably connected to the first fixed plate (706), and a polishing wheel (711) for grinding and polishing the inner side walls of the plurality of infusion bottle inner cover molding cavities (15) of the mold (1) is respectively arranged at the bottom of each first connecting shaft (710); The clamping and positioning unit (8) comprises: horizontal tracks (805) are respectively arranged on both sides of the placement plate (19); each track (805) is respectively connected to two sliders (803) in a horizontal sliding manner; the horizontal sliding directions of each slider (803) are opposite; each slider (803) is respectively rotatably connected to one end of a first connecting rod (802); the other ends of the two first connecting rods (802) are respectively rotatably connected to the first connecting plate (801); and the track (805) is fixedly mounted with two sliders ( A second fixed plate (807) is provided between the second fixed plate (803), a sliding rod (809) is slidably connected to the second fixed plate (807) in a vertical direction, a second connecting plate (811) is provided at the bottom of the sliding rod (809), a first spring (810) is provided on the sliding rod (809), one end of the first spring (810) is fixedly connected to the bottom of the second fixed plate (807), the other end of the first spring (810) is fixedly connected to the second connecting plate (811), and a second connecting shaft (812) is rotatably mounted on the second connecting plate (811).

2. The polishing mechanism for the injection molding mold for the inner cap of the infusion bottle according to claim 1 is characterized in that: The bottom plate (6) is provided with a plurality of support frames (5) for supporting the first support plate (2); the bottom plate (6) is provided with a plurality of second support columns (26); each second support column (26) is provided with a first electric cylinder (9); the output end of each first electric cylinder (9) is fixedly connected to the bottom of the sliding plate (11); the plurality of support tubes (25) on the bottom plate (6) are provided with telescopic columns (10); the plurality of telescopic columns (10) are fixedly connected to the sliding plate (11); the plurality of telescopic columns (10) are fixedly connected to the resisting The contact plate (13) is slidably connected, the contact plate (13) is located above the sliding plate (11), a second electric cylinder (12) is arranged at the bottom of the sliding plate (11), an output end of the second electric cylinder (12) is fixedly connected to the bottom of the contact plate (13), a placement plate (19) is fixedly installed on the top of the plurality of telescopic columns (10), the placement plate (19) is located above the contact plate (13), a second through hole (27) is processed on the first support plate (2), and the placement plate (19) slides in the second through hole (27) on the first support plate (2) along a vertical direction; The four corners of the placement plate (19) are respectively connected with positioning pins (21) in a vertically sliding manner, and the four corners of the mold (1) are respectively processed with positioning holes (16) that are engaged with the positioning pins (21). The bottom of each positioning pin (21) is respectively provided with a resistance shell (24), and the bottom of each resistance shell (24) is respectively in resistance with the top of the resistance plate (13). Each positioning pin (21) is respectively provided with a second spring (23), and one end of each second spring (23) is respectively fixedly connected to the bottom of the placement plate (19), and the other end of each second spring (23) is respectively fixedly connected to the resistance shell (24).

3. The polishing mechanism for the injection molding mold for the inner cap of the infusion bottle according to claim 2 is characterized in that: A third fixing plate (18) is arranged on the first support plate (2); a plurality of feeding wheels (3) for transporting the mold (1) for feeding are arranged at one end of the third fixing plate (18); the plurality of feeding wheels (3) are located on one side of the placement plate (19); a plurality of discharge wheels (14) for transporting the mold (1) for discharging are arranged at the other end of the third fixing plate (18); the plurality of discharge wheels (14) are located on the other side of the placement plate (19); a first through hole (20) is machined on the placement plate (19); a plurality of transport wheels (17) for transporting the mold (1) are arranged on the third fixing plate (18); the plurality of transport wheels (17) slide in the first through hole (20) on the placement plate (19) along a vertical direction.

4. The polishing mechanism for the injection molding mold for the inner cap of the infusion bottle according to claim 3 is characterized in that: The top surfaces of the plurality of feeding wheels (3), the top surfaces of the plurality of discharging wheels (14) and the top surfaces of the plurality of transport wheels (17) are located on the same horizontal plane.

5. The polishing mechanism for the injection molding mold for the inner cap of the infusion bottle according to claim 1, characterized in that: The first connecting plate (801) is provided with clamping positioning plates (804) at both ends for clamping the top end of the mold (1), and each clamping positioning plate (804) is slidably connected to the placement plate (19) in a vertical direction; Both ends of the second connecting shaft (812) are respectively provided with a contact wheel (808) that contacts the top end of the contact plate (13); each slider (803) is rotatably connected to one end of the second connecting rod (806); and the other end of each second connecting rod (806) is rotatably connected to the second connecting shaft (812).

6. The polishing mechanism for the injection molding mold for the inner cap of the infusion bottle according to claim 1, characterized in that: The four corners of the placement plate (19) are respectively provided with abutment rods (22) for abutting against the side of the mold (1).

7. A polishing method using the polishing mechanism of the injection molding mold for the inner cap of an infusion bottle according to claim 1, characterized in that: The following steps are involved: S1, push the mold (1) to the bottom of the polishing unit (7), and use the clamping and positioning units (8) on both sides of the placement plate (19) to clamp and position the two sides of the mold (1) respectively: The output end of the first electric cylinder (9) drives the sliding plate (11) to move downward in the vertical direction, the sliding plate (11) drives the telescopic column (10) to contract, the telescopic column (10) drives the placement plate (19) to move downward in the vertical direction, the transport wheel (17) on the third fixed plate (18) moves in the first through hole (20) of the placement plate (19), the top horizontal plane of the placement plate (19) moves to the same horizontal plane as the top horizontal plane of the first support plate (2), the mold (1) is placed on the multiple feeding wheels (3) of the first support plate (2), the mold (1) on the feeding wheel (3) is manually pushed to move onto the multiple transport wheels (17), each side of the mold (1) is respectively in contact with the contact rod (22) to limit the position of the mold (1), the positioning holes (16) at the four corners of the mold (1) are respectively located above the positioning pins (21) at the four corners of the placement plate (19), and the first electric cylinder (9) The output end of the second electric cylinder (12) drives the sliding plate (11) to move upward in the vertical direction, the sliding plate (11) drives the telescopic column (10) to extend, the telescopic column (10) drives the mold (1) on the placement plate (19) to move upward in the vertical direction, the transport wheel (17) on the third fixed plate (18) moves away from the first through hole (20) of the placement plate (19), the top horizontal plane of the placement plate (19) moves to be higher than the top horizontal plane of the first support plate (2), the output end of the second electric cylinder (12) drives the contact plate (13) to move upward in the vertical direction on the telescopic column (10), the contact plate (13) moves to contact with the bottom surface of each contact shell (24), each contact shell (24) drives the positioning pin (21) to move in the vertical direction on the placement plate (19), the second spring (23) contracts, and each positioning pin (21) moves to engage with the positioning hole (16) of the mold (1); S2, the polishing unit (7) grinds and polishes the inner side walls of the multiple infusion bottle inner cover molding cavities (15) on the mold (1). After the polishing is completed, the output end of the first electric cylinder (9) drives the sliding plate (11) to move downward in the vertical direction, the sliding plate (11) drives the telescopic column (10) to contract, and the telescopic column (10) drives the placement plate (19) to move downward in the vertical direction. The transport wheel (17) on the third fixed plate (18) moves in the first through hole (20) of the placement plate (19), and the top horizontal plane of the placement plate (19) moves to the same horizontal plane as the top horizontal plane of the first support plate (2). The mold (1) on the placement plate (19) is placed on the multiple transport wheels (17), and the mold (1) on the transport wheel (17) is pushed onto the multiple discharge wheels (14) and the polished mold (1) is transported out.

8. The polishing method of the polishing mechanism of the injection molding mold for the inner cover of the infusion bottle according to claim 7, characterized in that: The method for clamping and positioning the two sides of the mold (1) by the clamping and positioning units (8) on the two sides of the placement plate (19) in step S1 is as follows: the contact plate (13) moves until it contacts the two contact wheels (808), and under the action of the first spring (810), the contact wheel (808) drives the second connecting shaft (812), the second connecting plate (811) and the slide bar (809) to move upward in the vertical direction on the second fixed plate (807), and the second connecting shaft (812) drives the slide bar (809) through the two second connecting rods (806) respectively. The two sliders (803) slide in the horizontal direction on the track (805), the horizontal sliding directions of the two sliders (803) on the track (805) are opposite, the distance between the two sliders (803) increases, the two sliders (803) respectively drive the first connecting plate (801) to move downward in the vertical direction through the first connecting rod (802), the first connecting plate (801) drives the two clamping positioning plates (804) to move downward in the vertical direction on the placement plate (19), and the two clamping positioning plates (804) respectively clamp the upper top surface of the mold (1).

9. The polishing method of the polishing mechanism of the injection molding mold for the inner cover of the infusion bottle according to claim 7, characterized in that: In step S2, the polishing unit (7) grinds and polishes the inner side walls of the plurality of infusion bottle inner cover forming cavities (15) of the mold (1), and the mold (1) on the placement plate (19) moves upward in a vertical direction, and each infusion bottle inner cover forming cavity (15) on the mold (1) moves upward in a vertical direction respectively, and each polishing wheel (711) is located in each infusion bottle inner cover forming cavity (15) respectively, and the output shaft of the motor (701) drives the eccentric wheel (709) to rotate eccentrically, and the eccentric wheel (709) drives the disc (708) to rotate eccentrically, and the disc (708) contacts the inner side wall of the arc-shaped through hole (716) of the arc-shaped frame (707), driving the slide plate (703) to rotate in the first The fixed plate (706) reciprocates in the horizontal direction, and the slide plate (703) reciprocates in the horizontal direction in the slide hole (702) of the cover plate (704). The slide plate (703) drives a plurality of bidirectional racks (713) to reciprocate in the horizontal direction in the corresponding fixed guide plate (714) in the horizontal direction. The teeth on both sides of each bidirectional rack (713) are respectively meshed with a plurality of gears (712) for transmission, and drive the plurality of gears (712) to rotate. Each gear (712) drives the polishing wheel (711) to rotate forward and reversely through the first connecting shaft (710). Each polishing wheel (711) grinds and polishes the inner side wall of each infusion bottle inner cover molding cavity (15) during the rotation process.

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