Energy-saving and environment-friendly plastic pallet and processing method thereof

Abstract

The application provides an energy-saving and environment-friendly plastic tray and a processing method thereof, and belongs to the technical field of plastic trays. The tray is composed of a tray surface and a plurality of supporting legs which are integrally formed by one-time injection molding. A pry groove is formed at the lower end of each supporting leg. The tray is made of TPE plastic material. The tray is formed by one-time injection molding of the tray surface and the supporting legs. The pry groove is designed to form an insertion groove for assisting the stripping of the tray after injection molding. The design facilitates the stripping operation. The injection molding equipment is designed to be integrated with the stripping function, thereby facilitating rapid stripping.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of energy-saving and environment-friendly plastic pallet and its processing method, belong to plastic pallet technical field. BACKGROUND

[0002] Pallet is the horizontal platform of packing, stacking, carrying and transporting goods, is called active plane, mobile goods platform.It is the most unobtrusive tool in logistics industry, but also ubiquitous.Pallet provides strong development momentum for the development of logistics industry.In the processing of environment-friendly plastic pallet, pallet generally uses one-time injection molding method to process, because the specification of pallet is larger, it is difficult to adopt manual demolding, there is also the risk of uneven stress causing pallet deformation, time-consuming and laborious operation, low working efficiency, for the above problems, the present application provides a kind of energy-saving and environment-friendly plastic pallet and its processing method. SUMMARY

[0003] In view of the deficiencies in the prior art, the present application aims to provide an energy-saving and environment-friendly plastic pallet and its processing method to solve the existing problems.

[0004] In order to achieve the above-mentioned purpose, the present application is realized by the following technical scheme: an energy-saving and environment-friendly plastic pallet, comprising a pallet, the pallet is composed of a disc surface and a plurality of supporting legs formed by one-time injection molding, a pry slot is formed at the lower end of each supporting leg on both sides, and the pallet is made of TPE plastic material.

[0005] A processing method of an energy-saving and environment-friendly plastic pallet, further comprising an injection molding equipment for injection molding of the pallet, the injection molding equipment comprises an injection molding bottom die, a supporting leg side disengagement mechanism movably sleeved on the injection molding bottom die from bottom to top, a first supporting leg edge sealing mechanism and a second supporting leg edge sealing mechanism, and the injection molding bottom die is provided with a first pry disc device and a second pry disc device on both sides;

[0006] The first pry disc device comprises a pry disc support, a pry disc expander arranged in the middle of the pry disc support, and a pry disc moving frame arranged on the front side of the pry disc expander, a driving assembly is horizontally arranged on the top surface of the pry disc moving frame, a plurality of pry head assemblies are engaged on the driving assembly at intervals, a plurality of moving frame stabilizing rods are arranged on the rear side of the pry disc moving frame, and the other end of each moving frame stabilizing rod penetrates the pry disc support, and the first pry disc device and the second pry disc device are the same in structure;

[0007] The supporting leg side disengagement mechanism, the first supporting leg edge sealing mechanism and the second supporting leg edge sealing mechanism cooperate with each other to separate each supporting leg side in advance when the pallet is demolded, and also form the mold groove required for the molding of each supporting leg when the pallet is injection molded.

[0008] The first pry disc device and the second pry disc device are used for synchronous prying demolding of the tray after injection molding in the injection mold.

[0009] Further improvement, the injection mold comprises a mold body, a plurality of separation mechanism openings respectively formed through the mold body, a plurality of first edge sealing mechanism openings and a plurality of second edge sealing mechanism openings, a plurality of first pry disc device sliding grooves and a plurality of second pry disc device sliding grooves formed at the front and rear ends of the top surface of the mold body.

[0010] Further improvement, the leg side separation mechanism comprises a separation bottom plate, a plurality of leg side plates and a plurality of bottom plate stability sliding columns respectively arranged at the top surface of the separation bottom plate, a spring is sleeved on each bottom plate stability sliding column, a special-shaped eccentric top wheel is movably attached to the middle part of the bottom surface of the separation bottom plate, and a motor is transmissionally connected to one side of the special-shaped eccentric top wheel.

[0011] Further improvement, the first leg edge sealing mechanism comprises an edge sealing mechanism support, an edge sealing mechanism lifter vertically arranged at the middle part of the edge sealing mechanism support, and an edge sealing bottom plate arranged at the upper end of the edge sealing mechanism lifter, a plurality of edge sealing blocks are arranged at the top surface of the edge sealing bottom plate, a pry slot forming block is arranged at the inner lower end of each edge sealing block, and a plurality of edge sealing lifting stability sliding rods are arranged at the bottom surface of the edge sealing bottom plate, and the other ends of the edge sealing lifting stability sliding rods penetrate through the edge sealing mechanism support.

[0012] Further improvement, the driving assembly comprises a rotating connecting rod, a plurality of rotating rod fixed seats arranged on the rod body of the rotating connecting rod, a plurality of driving bevel gears and a driven gear, the driven gear is meshed with a driving motor on one side, and the driving motor is provided with a driving gear matched with the driven gear.

[0013] Further improvement, each pry head assembly comprises a pry head seat, a transmission assembly arranged on one side of the pry head seat, and an angle adjusting mechanism meshed with the front end of the transmission assembly, and a pry lever is arranged on the front side of the angle adjusting mechanism.

[0014] Further improvement, the transmission assembly is composed of a rotating rotating seat, a rotating rod and a plurality of first bevel gears.

[0015] Further improvement, the angle adjusting mechanism comprises an angle swing rod, a driven bevel gear arranged on the left side of the angle swing rod, and an angle swing secondary rod arranged on the right side of the angle swing rod, and a secondary rod fixed seat is arranged on the rod body of the angle swing secondary rod.

[0016] Further improvement, one side of the pry lever is provided with an angle swing arc surface.

[0017] Further improved, the transmission assembly rotates to drive the angle adjusting mechanism to make the maximum angle of the pry bar swinging 45 degrees.

[0018] Further improved, the motor drives the special-shaped eccentric top wheel to rotate one circle, pushes the disengagement bottom plate upward and makes each side plate of the supporting leg can be lifted up and down 1-2 CM under the action of each spring.

[0019] Further improved, the injection molding top die is additionally provided outside the injection molding bottom die.

[0020] The beneficial effects of the present application are:

[0021] The present application provides an energy-saving and environment-friendly plastic tray and a processing method thereof. The tray is formed by one-time injection molding of the tray surface and the supporting leg. The pry groove is designed to facilitate the pry-assisted stripping of the tray after injection molding. The injection molding equipment is designed to be integrated with stripping, facilitating rapid stripping.

[0022] The design of the supporting leg side disengagement mechanism, the first supporting leg edge sealing mechanism and the second supporting leg edge sealing mechanism on the injection molding bottom die provides assistance for stripping under the premise of each supporting leg mold groove required for constructing the injection molding bottom die. All edge sides of each supporting leg are disengaged in advance before stripping, reducing the bonding surface of the tray after injection molding. The design also provides a communication channel for the synchronous prying of the first pry disc device and the second pry disc device, bringing convenience.

[0023] The design of the first pry disc device and the second pry disc device makes the stripping mode adopt synchronous angle adjustment to pry the tray from both sides, so that the bottom surface of the tray that is bonded to the injection molding bottom die is gently and uniformly stressed to pry and disengage, preventing the tray from deforming and improving the stripping efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The present application is an energy-saving and environment-friendly plastic tray structure schematic diagram.

[0025] Figure 2 The present application is an injection molding equipment structure schematic diagram.

[0026] Figure 3 The present application is an injection molding bottom die structure schematic diagram.

[0027] Figure 4 The present application is a supporting leg side disengagement mechanism structure schematic diagram.

[0028] Figure 5 The present application is a first supporting leg edge sealing mechanism structure schematic diagram.

[0029] Figure 6 The present application is a first pry disc device structure schematic diagram.

[0030] Figure 7 Structure diagram of driving assembly of the present application;

[0031] Figure 8 Structure diagram of pry head assembly of the present application;

[0032] Figure 9 Schematic diagram of the angle of the pry bar of the present application. DETAILED DESCRIPTION

[0033] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application is further described below in conjunction with specific embodiments.

[0034] Please refer to Figures 1-9 The present application provides an energy-saving and environment-friendly plastic tray and a processing method thereof: comprising a tray 1, which is composed of a tray surface 11 and a plurality of supporting legs 12 formed by one-time injection molding, a pry groove 13 is formed at the lower end of the front and rear sides of each supporting leg 12, and the tray 1 is made of TPE plastic material.

[0035] It also includes an injection molding machine 2 for injection molding the tray 1. The injection molding machine 2 includes an injection mold 3, a support foot side release mechanism 4 that is movably sleeved on the injection mold 3 from bottom to top, a first support foot sealing mechanism 5, and a second support foot sealing mechanism 6. A first pry plate device 7 and a second pry plate device 8 are provided on the front and rear sides of the injection mold 3. The first pry plate device 7 includes a pry plate bracket 71, a pry plate telescopic device 72 provided in the middle of the pry plate bracket 71, and a pry plate moving frame 73 provided in front of the pry plate telescopic device 72. A drive assembly 74 is horizontally provided on the top surface of the pry plate moving frame 73. A plurality of pry head assemblies 75 are engaged at intervals on the drive assembly 74. A plurality of moving frame stabilizations are provided on the rear side of the pry plate moving frame 73. Rods 76, with the other end of each of the movable frame stabilizing rods 76 penetrating through the skid plate bracket 71. The first skid plate device 7 and the second skid plate device 8 have the same structure. The foot side separation mechanism 4, the first foot sealing mechanism 5, and the second foot sealing mechanism 6 cooperate to pre-separate the sides of each foot 12 during the unloading of the pallet 1, and are also used to form the mold grooves required for the molding of each foot 12 during the injection molding of the pallet 1. The first skid plate device 7 and the second skid plate device 8 are used to synchronously pry and demold the pallet 1 after it has been injection molded in the injection molding bottom mold 3. The injection molding bottom mold 3 includes a bottom mold body 31, a plurality of separation mechanism through-holes 32 respectively opened on the bottom mold body 31, and a plurality of first sealing mechanism through-holes. The bottom mold body 31 has several openings 33 and several second edge sealing mechanism through-holes 34, several first pry plate device slide grooves 35 and several second pry plate device slide grooves 36 on the front and rear ends of the top surface of the bottom mold body 31, and the foot side release mechanism 4 includes a release base plate 41, several foot side plates 42 and several base plate stabilizing slide columns 43 respectively spaced on the top surface of the release base plate 41, each of the base plate stabilizing slide columns 43 is fitted with a spring 44, and an irregular eccentric top wheel 45 is movably attached to the middle of the bottom surface of the release base plate 41. A motor 46 is drivenly connected to one side of the irregular eccentric top wheel 45. The first foot edge sealing mechanism 5 includes an edge sealing mechanism bracket 51, an edge sealing mechanism lifter 52 vertically arranged in the middle of the edge sealing mechanism bracket 51, and a support. An edge-sealing base plate 53 is placed on the upper end of the edge-sealing mechanism lifter 52. Several edge-sealing blocks 54 are spaced apart on the top surface of the edge-sealing base plate 53. Each edge-sealing block 54 has a pry groove forming block 55 at its lower inner side. Several edge-sealing lifting and stabilizing slide rods 56 are arranged on the bottom surface of the edge-sealing base plate 53. The other end of each edge-sealing lifting and stabilizing slide rod 56 passes through the edge-sealing mechanism bracket 51. The drive assembly 74 includes a rotating connecting rod 741, several rotating rod fixing seats 742 respectively arranged on the body of the rotating connecting rod 741, several driving bevel gears 743, and a driven gear 744. A drive motor 745 meshes with one side of the driven gear 744. The drive motor 745 is equipped with a driving gear adapted to the driven gear 744.Each of the pry head assemblies 75 comprises a pry head base 751, a transmission assembly 752 arranged on one side of the pry head base 751, an angle adjusting mechanism 753 engaged with the front end of the transmission assembly 752, and a pry lever 754 arranged on the front side of the angle adjusting mechanism 753. The transmission assembly 752 is composed of a rotating shift base 7521, a rotating rod 7522, and a plurality of first bevel gears 7523. The angle adjusting mechanism 753 comprises an angle swing rod 7531, a driven bevel gear 7532 arranged on the left side of the angle swing rod 7531, and an angle swing secondary rod 7533 arranged on the right side of the angle swing rod 7531. The angle swing secondary rod 7533 is provided with a secondary rod fixing base 7534 on the rod body. The pry lever 754 is provided with an angle swing arc surface 7541 on the tail of one side.

[0036] Working principle:

[0037] First, when the injection mold bottom mold 3 is injected, each of the side edge plates 42 and each of the edge blocks 54 needs to be raised to form the mold groove required by each of the feet 12. Then, the injection mold top mold is combined with the injection mold bottom mold 3, and the tray 1 is injection molded. Then, the injection mold top mold is opened. At this time, the tray 1 is adhered to the injection mold bottom mold 3. Then, each of the edge blocks 54 on the first foot edge sealing mechanism 5 and the second foot edge sealing mechanism 6 is synchronously lowered to the inner lower end of each of the first edge sealing mechanism through holes 33 and each of the second edge sealing mechanism through holes 34, so that each of the first pry disc device sliding grooves 35 and each of the second pry disc device sliding grooves 36 is in communication with the mold groove required by each of the feet 12. Then, each of the side edge plates 42 on the foot side edge disengaging mechanism 4 is raised and lowered by 1CM. At this time, each of the side surfaces of each of the feet 12 is in a disengaged state. Then, the pry disc retractors 72 on the first pry disc device 7 and the second pry disc device 8 are synchronously extended, so that the outer ends of each of the pry levers 754 are inserted into each of the pry grooves 13. In the process of rotating the transmission assembly 752 to drive the angle adjusting mechanism 753 to swing the pry lever 754 by 45 degrees, the tray 1 is pried away from the bottom surface of the injection mold bottom mold 3, thereby realizing the uniform force automatic demolding of the tray 1 in the injection mold bottom mold 3.

[0038] The basic principles and main features of the present application and the advantages of the present application have been shown and described above. It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting in any respect, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0039] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. An energy-saving and environment-friendly plastic tray processing method, which comprises a tray (1) composed of a tray surface (11) and a plurality of tray legs (12) formed by one-time injection molding, a pry groove (13) is formed at the lower end of each of the front and rear sides of the tray leg (12), and the tray (1) is made of TPE plastic material, characterized in that: Also include the injection molding equipment (2) for the tray (1) injection molding, the injection molding equipment (2) includes injection molding bottom die (3), the side of the foot of the tray is set on the injection molding bottom die (3) from the bottom to the top activity side separation mechanism (4), the first foot edge sealing mechanism (5) and the second foot edge sealing mechanism (6), the injection molding bottom die (3) front and back both sides are provided with the first pry disc device (7) and the second pry disc device (8); ​ The first pry disc device (7) includes a pry disc support (71), a pry disc expander (72) disposed in the middle of the pry disc support (71), a pry disc moving frame (73) disposed on the front side of the pry disc expander (72), a drive assembly (74) horizontally disposed on the top surface of the pry disc moving frame (73), a plurality of pry head assemblies (75) spaced apart and engaged on the drive assembly (74), a plurality of moving frame stabilizing rods (76) disposed on the rear side of the pry disc moving frame (73), each moving frame stabilizing rod (76) penetrates the pry disc support (71) at the other end, and the first pry disc device (7) and the second pry disc device (8) are the same structure. The side of the foot of the tray (1) is separated in advance when the material is removed, and is also used for forming the mold groove required for the molding of each foot (12) when the tray (1) is injection molded. The first pry disc device (7) and the second pry disc device (8) are used for synchronously prying and demolding after the tray (1) is injection molded in the injection molding bottom die (3).

2. The processing method of the energy-saving and environment-friendly plastic pallet according to claim 1, characterized in that: The injection molding bottom die (3) includes a bottom die body (31), a plurality of separation mechanism through holes (32) respectively provided through the bottom die body (31), a plurality of first edge sealing mechanism through holes (33) and a plurality of second edge sealing mechanism through holes (34), a plurality of first pry disc device sliding grooves (35) and a plurality of second pry disc device sliding grooves (36) provided on the top surface of the bottom die body (31) at both ends.

3. The processing method of the energy-saving and environment-friendly plastic pallet according to claim 2, characterized in that: The side of the foot of the tray (1) is separated in advance when the material is removed, and is also used for forming the mold groove required for the molding of each foot (12) when the tray (1) is injection molded.

4. The processing method of the energy-saving and environment-friendly plastic pallet according to claim 3, characterized in that: The first pry disc device (7) and the second pry disc device (8) are used for synchronously prying and demolding after the tray (1) is injection molded in the injection molding bottom die (3). The injection molding bottom die (3) includes a bottom die body (31), a plurality of separation mechanism through holes (32) respectively provided through the bottom die body (31), a plurality of first edge sealing mechanism through holes (33) and a plurality of second edge sealing mechanism through holes (34), a plurality of first pry disc device sliding grooves (35) and a plurality of second pry disc device sliding grooves (36) provided on the top surface of the bottom die body (31) at both ends. The side of the foot of the tray (1) is separated in advance when the material is removed, and is also used for forming the mold groove required for the molding of each foot (12) when the tray (1) is injection molded. The first pry disc device (7) and the second pry disc device (8) are used for synchronously prying and demolding after the tray (1) is injection molded in the injection molding bottom die (3). The injection molding bottom die (3) includes a bottom die body (31), a plurality of separation mechanism through holes (32) respectively provided through the bottom die body (31), a plurality of first edge sealing mechanism through holes (33) and a plurality of second edge sealing mechanism through holes (34), a plurality of first pry disc device sliding grooves (35) and a plurality of second pry disc device sliding grooves (36) provided on the top surface of the bottom die body (31) at both ends. The side of the foot of the tray (1) is separated in advance when the material is removed, and is also used for forming the mold groove required for the molding of each foot (12) when the tray (1) is injection molded. The first pry disc device (7) and the second pry disc device (8) are used for synchronously prying and demolding after the tray (1) is injection molded in the injection molding bottom die (3).

5. The processing method of the energy-saving and environment-friendly plastic pallet according to claim 4, characterized in that: The driving assembly (74) comprises a rotating connecting rod (741), a plurality of rotating rod fixing seats (742) arranged on the rod body of the rotating connecting rod (741) respectively, a plurality of driving bevel gears (743) and a driven gear (744), one side of the driven gear (744) is engaged with a driving motor (745), and the driving motor (745) is provided with a driving gear matched with the driven gear (744).

6. The processing method of the energy-saving and environment-friendly plastic pallet according to claim 5, characterized in that: Each of the pry head assemblies (75) comprises a pry head seat (751), a transmission assembly (752) arranged on one side of the pry head seat (751), an angle adjusting mechanism (753) engaged with the front end of the transmission assembly (752), and a pry lever (754) arranged on the front side of the angle adjusting mechanism (753).

7. The processing method of the energy-saving and environment-friendly plastic pallet according to claim 6, characterized in that: The transmission assembly (752) is composed of a rotating rotating seat (7521), a rotating rod (7522) and a plurality of first bevel gears (7523).

8. The processing method of the energy-saving and environment-friendly plastic pallet according to claim 7, characterized in that: The angle adjusting mechanism (753) comprises an angle swing rod (7531), a driven bevel gear (7532) arranged on the left side of the angle swing rod (7531) and an angle swing secondary rod (7533) arranged on the right side of the angle swing rod (7531), and the rod body of the angle swing secondary rod (7533) is provided with a secondary rod fixing seat (7534).

9. The processing method of the energy-saving and environment-friendly plastic pallet according to claim 8, characterized in that: The pry lever (754) is provided with an angle swing arc surface (7541) on one side of the tail.

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