Cross-linking agent adding device for manufacturing formaldehyde-free ecological glue
By designing a crosslinking agent addition device for the manufacture of aldehyde-free ecological glue, the transmission disc and rack structure drive the spiral conveyor rod to rotate, and combining the uniform ball and the lifting mechanism, the problems of crosslinking agent stability and precise addition are solved. Improve the intelligence level of equipment and the stability of the production process.
Patent Information
- Application Number
- CN202411364052.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-28
- Publication Date
- 2024-12-20
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During storage and transportation, crosslinking agents are susceptible to temperature, light and air, resulting in a decrease in stability, affecting the crosslinking effect and performance of the aldehyde-free ecological glue, and it is difficult to achieve accuracy and stability when added.
A crosslinking agent addition device for the manufacture of aldehyde-free ecological glue was designed. The spiral conveyor rod was driven to rotate through the transmission disc and rack structure, and combined with the uniform ball and the lifting mechanism to ensure the stable delivery and precise addition of the crosslinking agent.
It improves the storage and delivery stability of crosslinking agents, realizes the precise addition of crosslinking agents, and enhances the intelligence of the equipment and the real-time monitoring and automatic adjustment capabilities of the production process.
Smart Images

Figure CN119158489A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of cross-linking agent addition, in particular to a cross-linking agent adding device for manufacturing formaldehyde-free ecological adhesive. Background Art
[0002] Formaldehyde-free eco-adhesive usually refers to MDI adhesive, whose chemical name is diphenylmethane diisocyanate. MDI adhesive is a formaldehyde-free adhesive widely used in the manufacture of artificial boards. Since it does not contain formaldehyde, MDI adhesive is beneficial to home health and helps solve the problem of over-exploitation of forest resources. The cross-linking agent adding device is mainly involved in the processing of polymer materials (such as rubber and thermosetting resin). Cross-linking agents, also known as bridging agents, play a key role in these materials. A cross-linking agent adding device for the manufacture of formaldehyde-free eco-adhesive is a device specially designed to accurately control the amount of cross-linking agent added during the production process of formaldehyde-free eco-adhesive. This device is essential to ensure the performance and quality of formaldehyde-free eco-adhesive.
[0003] During storage and transportation, the cross-linking agent may be affected by factors such as temperature, light, and air, resulting in a decrease in its stability. If the cross-linking agent decomposes or deteriorates, it will directly affect the cross-linking effect and performance of the formaldehyde-free ecological glue, and when the cross-linking agent is added during the manufacture of the formaldehyde-free ecological glue, it cannot be transported to the appropriate location.
[0004] It is necessary to strengthen the storage and transportation management of cross-linking agents to ensure their stability and safety during storage and transportation, and to improve the intelligence of equipment to achieve real-time monitoring and automatic adjustment of the production process, and to improve the accuracy and stability of cross-linking agent addition. Summary of the invention
[0005] In order to solve the problems raised in the above-mentioned background technology, the present invention provides a cross-linking agent adding device for the manufacture of formaldehyde-free ecological glue. The device can isolate the cross-linking agent at one end of the spiral conveying rod through a transmission disk. Starting the first motor can drive the spiral conveying rod to rotate and then drive the transmission disk to continue to rotate, and then drive the third bevel gear to rotate through the rotation of the second bevel gear, and drive the second connecting rod and the material-leveling ball to rotate through the rotation of the third bevel gear, so that the cross-linking agent at the top of the internal material-leveling ball placed at the inlet is loaded in portions at a uniform speed through the slotted segments of the material-leveling ball to ensure that it is more stable during transportation inside the device, thereby achieving the purpose of facilitating the storage and transportation management of the cross-linking agent in the device, and the device can drive the screw to rotate by starting the second motor, and then drive the position of the first support block to follow the thread movement of the screw through the shape of the screw, and then drive the first connecting rod and the second connecting rod to rotate crosswise, and the second connecting rod and the third connecting rod can move with the first connecting block and the second connecting block, and then the distance between the first fixed plate and the second fixed plate is raised and lowered through the coordination between movement and rotation, and the overall lifting is driven by the lifting of the first fixed plate, so that the height of the entire device is raised and lowered.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a cross-linking agent adding device for the manufacture of formaldehyde-free ecological glue, comprising a conveying cylinder, an injection head is installed on the side wall of the conveying cylinder, a support platform is fixed on the bottom end of the conveying cylinder, a feeding port is installed on the top end of the conveying cylinder, a first motor is fixed on the side wall of the conveying cylinder, a spiral conveying rod is installed on the side wall of the first motor, a material leveling mechanism is fixed on the outer wall of the spiral conveying rod, and a lifting mechanism is fixed on the bottom end of the support platform;
[0007] The material leveling mechanism includes a transmission disc, a rack and a first bevel gear, the transmission disc is fixed to the outer wall of the spiral conveying rod, the side wall of the transmission disc is fixed with a rack, the side wall of the rack is meshedly connected with the first bevel gear, the top end of the first bevel gear is fixed with a first connecting rod, the top end of the first connecting rod is fixed with a second bevel gear, the side wall of the second bevel gear is meshedly connected with a third bevel gear, the side wall of the third bevel gear is fixed with a second connecting rod, and the side wall of the second connecting rod is fixed with a material leveling ball.
[0008] Preferably, the transmission disc is in the shape of a disc, and the racks are provided in a plurality of groups, and the racks are distributed at equal intervals about the central axis of the transmission disc.
[0009] Preferably, the first connecting rod is rotatably connected to the inner wall of the conveying cylinder, and the second connecting rod is rotatably connected to the inner wall of the feeding port.
[0010] Preferably, the outer wall of the material-splitting ball is close to the inner wall of the material inlet, and the outer wall of the material-splitting ball is provided with a plurality of groups of holes, and the holes are distributed at equal intervals about the central axis of the second connecting rod.
[0011] Preferably, the lifting mechanism includes a first fixed plate, a first rotating rod and a first connecting rod, the first fixed plate is fixed to the bottom end of the support platform, the inner wall of the first fixed plate is fixed with the first rotating rod, the outer wall of the first rotating rod is rotatably connected to the first connecting rod, the inner wall of the first fixed plate is slidably connected to the first connecting block, the inner wall of the first connecting block is fixed with the second rotating rod, the outer wall of the second rotating rod is rotatably connected to the second connecting rod, the bottom inner wall of the first connecting rod is rotatably connected to the first supporting block, and the bottom inner wall of the second connecting rod is rotatably connected to the second supporting block.
[0012] Preferably, the inner wall of the first support block is threadedly connected with a screw rod, the outer wall of the screw rod is rotatably connected with a second support block, the side wall of the second support block is fixed with a second motor, and the output end of the second motor is fixed with a screw rod.
[0013] Preferably, the side wall of the second support block is rotatably connected to the third connecting rod, the bottom inner wall of the third connecting rod is rotatably connected to the third rotating rod, the side wall of the third rotating rod is fixed with the second connecting block, the outer wall of the second connecting block is slidably connected to the second fixed plate, the side wall of the first support block is rotatably connected to the fourth connecting rod, and the bottom inner wall of the fourth connecting rod is rotatably connected to the fourth rotating rod.
[0014] Preferably, the fourth rotating rod is fixed to the inner wall of the second fixing plate, and the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are symmetrically distributed about the central axis of the first fixing plate.
[0015] Preferably, the second support block and the first support block are symmetrically distributed about the central axis of the screw rod, and the first fixing plate and the second fixing plate are symmetrically distributed about the central axis of the second motor.
[0016] Preferably, the output end of the conveying cylinder is connected to an injection head, the bottom end of the feed port is connected to a conveying cylinder, and a spiral conveying rod is fixed to the output end of the first motor.
[0017] Compared with the prior art, the present invention has the following beneficial effects:
[0018] The present invention arranges the cooperation of structures such as a transmission disk, a rack, and a first bevel gear, so that the device can isolate the cross-linking agent at one end of the spiral conveying rod through the transmission disk. Starting the first motor can drive the spiral conveying rod to rotate and then drive the transmission disk to continue to rotate. When the spiral conveying rod rotates, it can convey the cross-linking agent input from the top feeding port. When the transmission disk rotates, it drives the rack to rotate and then drives the first bevel gear to rotate through the shape of the rack and the distance between the racks. When the first bevel gear rotates, it can drive the first connecting rod and the second bevel gear to rotate, and then drive the third bevel gear to rotate through the rotation of the second bevel gear, and drive the second connecting rod and the material leveling ball to rotate through the rotation of the third bevel gear, so that the cross-linking agent at the top of the internal material leveling ball placed at the feeding port is loaded at a uniform speed through the slotted segments of the material leveling ball to ensure that it is more stable when transported inside the device, thereby achieving the purpose of facilitating the storage and transportation management of the device.
[0019] The present invention arranges the coordination of the first fixed plate, the first rotating rod, the first connecting rod and other structures, so that the device can drive the screw to rotate by starting the second motor, and then drive the position of the first supporting block to follow the thread movement of the screw through the shape of the screw, and then drive the first connecting rod and the second connecting rod to cross-rotate, and the second connecting rod and the third connecting rod can follow the movement of the first connecting block and the second connecting block, and then through the coordination between movement and rotation, the distance between the first fixed plate and the second fixed plate is raised and lowered, and the lifting of the first fixed plate drives the overall lifting, so that the overall height of the device is raised and lowered, so as to achieve the purpose of facilitating the automatic adjustment of the height of the device during the production process and thus improving the accuracy and stability of the addition of the cross-linking agent. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0021] Figure 2 It is a schematic diagram of the overall right side structure of the present invention;
[0022] Figure 3 It is a schematic diagram of the cross-sectional structure of the conveying tube of the present invention;
[0023] Figure 4 It is a schematic diagram of the right side cross-section structure of the conveying tube of the present invention;
[0024] Figure 5 It is a schematic diagram of the internal structure of the conveying cylinder of the present invention;
[0025] Figure 6 It is a structural schematic diagram of the material mixing mechanism of the present invention;
[0026] Figure 7 It is a schematic diagram of the lifting mechanism structure of the present invention;
[0027] Figure 8 It is a right view structural schematic diagram of the lifting mechanism of the present invention.
[0028] In the figure: 1, conveying cylinder; 2, injection head; 3, support platform; 4, feeding port; 5, first motor; 6, spiral conveying rod; 7, material leveling mechanism; 701, transmission plate; 702, rack; 703, first bevel gear; 704, first connecting rod; 705, second bevel gear; 706, third bevel gear; 707, second connecting rod; 708, material leveling ball; 8, lifting mechanism; 801, first fixed plate; 802, first rotating rod; 803, first connecting rod; 804, first connecting block; 805, second rotating rod; 806, second connecting rod; 807, first supporting block; 808, second supporting block; 809, screw; 810, second motor; 811, third connecting rod; 812, third rotating rod; 813, second connecting block; 814, fourth connecting rod; 815, fourth rotating rod; 816, second fixed plate. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0030] like Figures 1 to 8 As shown, the present invention provides a cross-linking agent adding device for the manufacture of formaldehyde-free ecological glue, including a conveying cylinder 1, an injection head 2 is installed on the side wall of the conveying cylinder 1, a support platform 3 is fixed to the bottom end of the conveying cylinder 1, a feeding port 4 is installed on the top of the conveying cylinder 1, a first motor 5 is fixed to the side wall of the conveying cylinder 1, a spiral conveying rod 6 is installed on the side wall of the first motor 5, the output end of the conveying cylinder 1 is connected with the injection head 2, the bottom end of the feeding port 4 is connected with the conveying cylinder 1, the output end of the first motor 5 is fixed with the spiral conveying rod 6, a material leveling mechanism 7 is fixed to the outer wall of the spiral conveying rod 6, and a lifting mechanism 8 is fixed to the bottom end of the support platform 3.
[0031] like Figures 1 to 8 As shown, the material leveling mechanism 7 includes a transmission disc 701, a rack 702 and a first bevel gear 703. The transmission disc 701 is fixed to the outer wall of the spiral conveying rod 6. The rack 702 is fixed to the side wall of the transmission disc 701. The transmission disc 701 is in the shape of a disc. The rack 702 is provided in several groups. The racks 702 are evenly spaced about the central axis of the transmission disc 701.
[0032] like Figures 1 to 8As shown, the side wall of the rack 702 is meshedly connected with the first bevel gear 703, the top of the first bevel gear 703 is fixed with the first connecting rod 704, the top of the first connecting rod 704 is fixed with the second bevel gear 705, the side wall of the second bevel gear 705 is meshedly connected with the third bevel gear 706, the side wall of the third bevel gear 706 is fixed with the second connecting rod 707, the first connecting rod 704 is rotatably connected to the inner wall of the conveying cylinder 1, the second connecting rod 707 is rotatably connected to the inner wall of the feed inlet 4, the side wall of the second connecting rod 707 is fixed with a material leveling ball 708, the outer wall of the material leveling ball 708 is close to the inner wall of the feed inlet 4, the outer wall of the material leveling ball 708 is provided with a plurality of groups of holes, and the holes are evenly spaced about the central axis of the second connecting rod 707.
[0033] The above scheme is adopted: the cross-linking agent is isolated at one end of the spiral conveying rod 6 by the transmission disk 701, and starting the first motor 5 can drive the spiral conveying rod 6 to rotate and then drive the transmission disk 701 to continue to rotate. When the spiral conveying rod 6 rotates, it can convey the cross-linking agent input from the top feed port 4, and when the transmission disk 701 rotates, it can drive the rack 702 to rotate and then drive the first bevel gear 703 to rotate through the shape of the rack 702 and the distance between them, so that when the first bevel gear 703 rotates, it can drive the first connecting rod 704 and the second bevel gear 705 to rotate, and then drive the third bevel gear 706 to rotate through the rotation of the second bevel gear 705, and drive the second connecting rod 707 and the material leveling ball 708 to rotate through the rotation of the third bevel gear 706, so that the cross-linking agent placed on the top of the internal material leveling ball 708 of the feed port 4 is loaded in portions at a uniform speed through the slotted segments of the material leveling ball 708 to ensure more stability during transportation inside the device.
[0034] like Figures 1 to 8 As shown, the lifting mechanism 8 includes a first fixed plate 801, a first rotating rod 802 and a first connecting rod 803. The first fixed plate 801 is fixed to the bottom end of the support platform 3. The inner wall of the first fixed plate 801 is fixed with the first rotating rod 802. The outer wall of the first rotating rod 802 is rotatably connected to the first connecting rod 803. The inner wall of the first fixed plate 801 is slidably connected to the first connecting block 804. The inner wall of the first connecting block 804 is fixed with the second rotating rod 805. The outer wall of the second rotating rod 805 is rotatably connected to the second connecting rod 806. The bottom inner wall of the first connecting rod 803 is rotatably connected to the first supporting block 807. The bottom inner wall of the second connecting rod 806 is rotatably connected to the second supporting block 808.
[0035] like Figures 1 to 8As shown, the inner wall of the first support block 807 is threadedly connected with a screw rod 809, the outer wall of the screw rod 809 is rotatably connected with the second support block 808, the side wall of the second support block 808 is fixed with a second motor 810, the output end of the second motor 810 is fixed with a screw rod 809, the side wall of the second support block 808 is rotatably connected with a third connecting rod 811, the inner wall of the bottom end of the third connecting rod 811 is rotatably connected with a third rotating rod 812, the side wall of the third rotating rod 812 is fixed with a second connecting block 813, the outer wall of the second connecting block 813 is slidably connected with a second fixed plate 816, the side wall of the first support block 807 is rotatably connected with a fourth connecting rod 814, and the inner wall of the bottom end of the fourth connecting rod 814 is rotatably connected with a fourth rotating rod 815.
[0036] like Figures 1 to 8 As shown, the fourth rotating rod 815 is fixed to the inner wall of the second fixed plate 816, the first connecting rod 803, the second connecting rod 806, the third connecting rod 811 and the fourth connecting rod 814 are symmetrically distributed about the central axis of the first fixed plate 801, the second support block 808 and the first support block 807 are symmetrically distributed about the central axis of the screw 809, and the first fixed plate 801 and the second fixed plate 816 are symmetrically distributed about the central axis of the second motor 810.
[0037] The above scheme is adopted: by starting the second motor 810 to drive the screw 809 to rotate, and then through the shape of the screw 809, the position of the first support block 807 is driven to follow the thread movement of the screw 809, and then the first connecting rod 803 and the second connecting rod 806 can be driven to cross-rotate, and the second connecting rod 806 and the third connecting rod 811 can follow the movement of the first connecting block 804 and the second connecting block 813, and then through the coordination between movement and rotation, the distance between the first fixed plate 801 and the second fixed plate 816 is raised and lowered, and the lifting of the first fixed plate 801 drives the overall lifting, thereby making the overall height of the device rise and fall.
[0038] The working principle and use process of the present invention are as follows: the cross-linking agent is isolated at one end of the spiral conveying rod 6 by the transmission disk 701, and the first motor 5 is started to drive the spiral conveying rod 6 to rotate and then drive the transmission disk 701 to continue to rotate. When the spiral conveying rod 6 rotates, it can convey the cross-linking agent input from the top inlet 4. When the transmission disk 701 rotates, it drives the rack 702 to rotate, and then it can drive the first bevel gear 703 to rotate through the shape and distance between the racks 702, so that when the first bevel gear 703 rotates, it can drive the first connecting rod 704 and the second bevel gear 705 to rotate, and then the third bevel gear 706 is driven to rotate through the rotation of the second bevel gear 705, and the second connecting rod 707 and the material-leveling ball 708 are driven to rotate through the rotation of the third bevel gear 706, so that the material-leveling ball 708 placed in the inlet 4 can rotate. The cross-linking agent at the top of the internal material-leveling ball 708 of the material port 4 is loaded in portions at a uniform speed through the slotted segments of the material-leveling ball 708 to ensure more stability during transportation inside the device, and the device can start the second motor 810 to drive the screw 809 to rotate, and then drive the position of the first support block 807 to follow the thread movement of the screw 809 through the shape of the screw 809, and then drive the first connecting rod 803 and the second connecting rod 806 to cross-rotate, and the second connecting rod 806 and the third connecting rod 811 can follow the movement of the first connecting block 804 and the second connecting block 813, and then through the coordination between movement and rotation, the distance between the first fixed plate 801 and the second fixed plate 816 is raised and lowered, and the overall lifting is driven by the lifting of the first fixed plate 801, thereby raising and lowering the height of the entire device.
[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A device for adding a crosslinking agent for manufacturing formaldehyde-free ecological adhesive, comprising a conveying cylinder (1), characterized in that: The side wall of the conveying cylinder (1) is equipped with an injection head (2), the bottom end of the conveying cylinder (1) is fixed with a support platform (3), the top end of the conveying cylinder (1) is equipped with a material inlet (4), the side wall of the conveying cylinder (1) is fixed with a first motor (5), the side wall of the first motor (5) is equipped with a spiral conveying rod (6), the outer wall of the spiral conveying rod (6) is fixed with a material leveling mechanism (7), and the bottom end of the support platform (3) is fixed with a lifting mechanism (8); The material leveling mechanism (7) comprises a transmission disc (701), a rack (702) and a first bevel gear (703); the transmission disc (701) is fixed to the outer wall of the spiral conveying rod (6); the side wall of the transmission disc (701) is fixed with the rack (702); the side wall of the rack (702) is meshingly connected with the first bevel gear (703); the top end of the first bevel gear (703) is fixed with a first connecting rod (704); the top end of the first connecting rod (704) is fixed with a second bevel gear (705); the side wall of the second bevel gear (705) is meshingly connected with a third bevel gear (706); the side wall of the third bevel gear (706) is fixed with a second connecting rod (707); and the side wall of the second connecting rod (707) is fixed with a material leveling ball (708).
2. The cross-linking agent adding device for manufacturing formaldehyde-free ecological adhesive according to claim 1, characterized in that: The transmission disc (701) is in the shape of a circular disc, and a plurality of groups of racks (702) are provided. The racks (702) are distributed at equal intervals about the central axis of the transmission disc (701).
3. The cross-linking agent adding device for manufacturing formaldehyde-free ecological adhesive according to claim 1, characterized in that: The first connecting rod (704) is rotatably connected to the inner wall of the conveying cylinder (1), and the second connecting rod (707) is rotatably connected to the inner wall of the feed inlet (4).
4. The cross-linking agent adding device for manufacturing formaldehyde-free ecological adhesive according to claim 1, characterized in that: The outer wall of the material-leveling ball (708) is close to the inner wall of the material inlet (4), and the outer wall of the material-leveling ball (708) is provided with a plurality of groups of holes, and the holes are distributed at equal intervals about the central axis of the second connecting rod (707).
5. The cross-linking agent adding device for manufacturing formaldehyde-free ecological adhesive according to claim 1, characterized in that: The lifting mechanism (8) comprises a first fixed plate (801), a first rotating rod (802) and a first connecting rod (803); the first fixed plate (801) is fixed to the bottom end of the supporting platform (3); the first rotating rod (802) is fixed to the inner wall of the first fixed plate (801); the outer wall of the first rotating rod (802) is rotatably connected to the first connecting rod (803); the inner wall of the first fixed plate (801) is slidably connected to the first connecting block (804); the inner wall of the first connecting block (804) is fixed to the second rotating rod (805); the outer wall of the second rotating rod (805) is rotatably connected to the second connecting rod (806); the inner wall of the bottom end of the first connecting rod (803) is rotatably connected to the first supporting block (807); and the inner wall of the bottom end of the second connecting rod (806) is rotatably connected to the second supporting block (808).
6. The cross-linking agent adding device for manufacturing formaldehyde-free ecological adhesive according to claim 5, characterized in that: The inner wall of the first support block (807) is threadedly connected to a screw rod (809), the outer wall of the screw rod (809) is rotatably connected to a second support block (808), a second motor (810) is fixed to the side wall of the second support block (808), and the output end of the second motor (810) is fixed to the screw rod (809).
7. The cross-linking agent adding device for manufacturing formaldehyde-free ecological adhesive according to claim 6, characterized in that: The side wall of the second support block (808) is rotatably connected to the third connecting rod (811), the inner wall of the bottom end of the third connecting rod (811) is rotatably connected to the third rotating rod (812), the side wall of the third rotating rod (812) is fixed with a second connecting block (813), the outer wall of the second connecting block (813) is slidably connected to the second fixed plate (816), the side wall of the first support block (807) is rotatably connected to the fourth connecting rod (814), and the inner wall of the bottom end of the fourth connecting rod (814) is rotatably connected to the fourth rotating rod (815).
8. The cross-linking agent adding device for manufacturing formaldehyde-free ecological adhesive according to claim 7, characterized in that: The fourth rotating rod (815) is fixed to the inner wall of the second fixed plate (816), and the first connecting rod (803), the second connecting rod (806), the third connecting rod (811) and the fourth connecting rod (814) are symmetrically distributed about the central axis of the first fixed plate (801).
9. The cross-linking agent adding device for manufacturing formaldehyde-free ecological adhesive according to claim 7, characterized in that: The second support block (808) and the first support block (807) are symmetrically distributed about the central axis of the screw rod (809), and the first fixing plate (801) and the second fixing plate (816) are symmetrically distributed about the central axis of the second motor (810).
10. The cross-linking agent adding device for manufacturing formaldehyde-free ecological adhesive according to claim 1, characterized in that: The output end of the conveying cylinder (1) is connected to the injection head (2), the bottom end of the feed port (4) is connected to the conveying cylinder (1), and the output end of the first motor (5) is fixed with a spiral conveying rod (6).
