Hot melt adhesive raw material stirring and mixing equipment

Abstract

The present invention belongs to the technical field of stirring and mixing, and in particular relates to a hot melt adhesive raw material stirring and mixing device, comprising a material barrel for placing materials, and a rotating member rotatably connected to the material barrel, wherein a plurality of stirring members are connected to the rotating member, and an expansion plate for increasing the contact surface with the materials is slidably connected to the stirring member, and an adjustment component for adjusting the expansion plate is provided on the stirring member, and the stirring member and the expansion plate are respectively rotatably connected with paddles for pushing the materials, and the paddles face opposite directions. After using this device, the expansion plate is driven and controlled to open by the adjustment component, so that when the rotating member is driven to rotate, the rotation of the stirring member can synchronously drive the expansion plate to rotate, so that the surface in contact with the materials is increased by the size of the stirring member plus the size of the expansion plate, driving the amplitude of stirring the materials to increase, and the area covered by stirring is increased to make the flow of glue or material more uniform.

Description

Technical Field

[0001] The invention discloses a stirring and mixing device, in particular to a stirring and mixing device for hot melt adhesive raw materials. Background Art

[0002] Hot melt adhesive is a plastic adhesive. Its physical state changes with temperature within a certain temperature range, while its chemical properties remain unchanged. It is non-toxic and odorless, and is an environmentally friendly chemical product. The main components of hot melt adhesive include basic resins (such as ethylene and vinyl acetate copolymers), tackifiers, viscosity modifiers, and antioxidants. These raw materials are formed after being fully mixed, heated, and stirred, and then the materials are discharged, canned, and packaged. In the existing technology, the stirring rod is continuously rotated and heated to fully mix the various materials. However, the stirring rod in the existing technology cannot be adjusted, and the structure is single, so the stirring effect is also single. In order to enhance the stirring effect, some stirring parts or blades are generally added to improve the stirring effect. At the same time, in order to speed up the mixing of materials and the stirring efficiency, the stirring rod will continue to be improved, and even more than just improvement, vibration devices and extrusion blades will be added. The present application proposes another solution, which can improve the stirring effect and adjust and improve the stirring rod to switch the stirring state. Summary of the Invention

[0003] The purpose of the present invention is to provide a hot melt adhesive raw material stirring and mixing device in order to solve the above problems.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a hot melt adhesive raw material stirring and mixing device, comprising a material barrel for placing the material, and a rotating member rotatably connected to the material barrel, a plurality of stirring members connected to the rotating member, an expansion plate for increasing the contact surface with the material being slidably connected to the stirring member, an adjustment component for adjusting the expansion plate being provided on the stirring member, paddles for pushing the material being rotatably connected to the stirring member and the expansion plate, and the paddles facing opposite directions, the stirring member being rotatably connected to the rotating member, and a device for controlling the rotation of the stirring member being provided in the rotating member. The motor 1 is provided with a connecting piece at the rotation connection between the paddle, the stirring piece and the expansion plate, and the connecting piece is fixedly connected to the paddle, and the connecting piece is arranged obliquely. The motor 1 is provided with a support shaft engaged with the stirring piece, and a gear 1 is engaged with the support shaft. The stirring piece and the expansion plate are provided with a gear 2 engaged with the gear 1, and a push block is fixedly provided on the gear 2. The connecting piece is provided with a guide groove for accommodating the push block to be embedded, and the connecting piece is driven to rotate by the push block and the guide groove. The paddle is provided with an extrusion component for extruding materials and reducing bubbles inside the materials.

[0005] Preferably, the extrusion assembly includes an extrusion piece rotatably connected to the paddle, a protrusion is provided on the side of the gear 2 opposite to the push block, a connecting rope is provided on the protrusion and the extrusion piece, and the protrusion is located at the end of the gear 2 close to the paddle, a spring 1 is provided between the extrusion piece and the paddle to push the extrusion piece to reset, the elastic force of the spring 1 is greater than the contact force between the material and the extrusion piece, and a baffle is provided on the paddle to prevent the extrusion piece from rotating backward.

[0006] Preferably, the adjustment component includes a cylinder fixedly arranged in the stirring member, a groove for accommodating the embedding of the cylinder is provided on the expansion plate, the piston of the cylinder is fixedly connected to the expansion plate, a switch 1 for controlling the opening of the cylinder is provided on the material barrel, and motor 1 is turned on by closing the cylinder, and a switch 2 for separately controlling motor 1 is provided on the material barrel.

[0007] Preferably, the paddle is rotatably connected to an arc-shaped piece that abuts against the extrusion piece, and the arc-shaped piece and the paddle are magnetically attracted. The stirring piece and the expansion plate are provided with magnetic blocks that repel the arc-shaped piece and push the arc-shaped piece to fit together with the extrusion piece, and there is a deviation in the front and rear positions of the arc-shaped piece and the extrusion piece.

[0008] Preferably, a pusher 1 and a pusher 2 are respectively provided on both sides of the stirring member, the position of the pusher 1 is lower than that of the pusher 2, and the pusher 1 and the pusher 2 are attached to the stirring member, the pusher 1 and the pusher 2 are rotatably connected with the stirring member, the pusher 1 and the pusher 2 are both provided with a gear 3, the expansion plate is provided with a rack for pushing the pusher 1 to unfold and meshing with the gear 3, the stirring member is provided with a fixing member, the expansion plate is provided with an abutment block for pushing the fixing member to drive the pusher 2 to rotate, and a spring 2 is provided between the pusher 2 and the stirring member.

[0009] Preferably, the expansion plate is provided with a groove for accommodating the passage of the support shaft, the stirring member is provided with a slide groove for accommodating the movement of the two axes of the gear on the expansion plate, and the stirring member is slidably connected to a closing plate for closing the groove after the expansion slides outward.

[0010] Preferably, the stirring member and the expansion plate are provided with blades at the abutment point of the arc-shaped member, the bottom of the blade is provided with an outlet for accommodating the discharge of materials, the blade facing the arc-shaped member is a suction port, and the blade is provided with an isolation member at the suction port to prevent the arc-shaped member from being embedded in the blade, and the blades are arranged at intervals.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] Firstly, after using this device, the expansion plate is opened by driving the adjustment component, so that when the rotating part is driven to rotate, the stirring part rotates synchronously and can drive the expansion plate to rotate as well, so that the surface in contact with the material is increased from the size of the stirring part to the size of the expansion plate, driving the amplitude of stirring the material to increase, and the covered stirring area is increased, so that the glue or material flows more evenly, thereby improving the stirring effect; and after closing the adjustment component, the motor is turned on so that the stirring part drives the expansion plate to rotate, so that when the rotating part drives the stirring part to rotate, the stirring part can also rotate by itself, thereby driving the paddle and the pushing part 1 and the pushing part 2 to rotate and stir the material, thereby improving the stirring efficiency under high-speed rotation, and at the same time better switching the stirring state according to different situations;

[0013] Secondly, when the expansion plate is embedded in the stirring member, it will drive the rack to move upward and push gear three, so that the pushing member one is expanded, and the abutment block will also drive the fixed member to rotate so that the pushing member two is also expanded, thereby forming the same effect as the stirring impeller with the upper and lower paddles and the two pushing members. After the stirring member rotates, the expansion plate also rotates synchronously. At the same time, the pushing member one and the pushing member two rotate to stir the material, and the upper and lower paddles rotate when the stirring member rotates, and the gear one rotates synchronously when the stirring member rotates, which will drive the gear two to rotate as well. The gear two will drive the pushing block along the guide groove of the connecting member to rotate the connecting member, and the connecting member drives the fixedly connected paddle to rotate along the rotating point, so that the paddle approaches the stirring member and the expansion plate, and squeezes the material toward the stirring member and the expansion plate, thereby squeezing the material and if there are bubbles in the material, they can be squeezed out.

[0014] Third, after the gear 2 rotates, it will synchronously drive the protrusion to rotate synchronously, from close to the paddle to the end away from the paddle, and at the same time pull the connecting rope to drive the extrusion piece downward close to the paddle, and the arc-shaped piece will also stir the piece and the expansion plate. The arc-shaped piece first abuts against the stirring piece and the expansion plate, and after the extrusion piece continues to abut against the arc-shaped piece downward, the material between the arc-shaped piece and the extrusion piece is squeezed, thereby achieving the effect of extruding the material. Therefore, the stirring piece and the expansion plate are arranged to promote the stirring of the material when they revolve along the rotating piece, and when the motor drives the stirring piece and the expansion plate to rotate, the rotation makes the pushed material produce a more complex flow state, which promotes the mixing of raw materials at different positions. At the same time, the rotation can break the material lumps and bubbles, thereby improving the stirring efficiency, which has better practicality than the existing technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of a hot melt adhesive raw material stirring and mixing device;

[0016] Figure 2 This is a schematic diagram of the partial structure of the rotating parts and stirring parts of a hot melt adhesive raw material stirring and mixing equipment;

[0017] Figure 3 This is a structural diagram of a stirring component of a hot melt adhesive raw material stirring and mixing equipment;

[0018] Figure 4 A schematic diagram of the local structure of a stirring part of a hot melt adhesive raw material stirring and mixing equipment Figure 1 ;

[0019] Figure 5 A schematic diagram of the local structure of a stirring part of a hot melt adhesive raw material stirring and mixing equipment Figure 2 ;

[0020] Figure 6 This is a schematic diagram of the internal structure of a stirring component of a hot melt adhesive raw material stirring and mixing equipment;

[0021] Figure 7 This is a schematic diagram of the planar internal structure of a stirring component of a hot melt adhesive raw material stirring and mixing equipment.

[0022] 1. Material barrel; 2. Rotating part; 3. Stirring part; 4. Expansion plate; 5. Paddle; 6. Motor 1; 7. Connecting part; 8. Support shaft; 9. Gear 1; 10. Gear 2; 11. Push block; 12. Guide groove; 13. Extrusion part; 14. Protrusion; 15. Connecting rope; 16. Spring 1; 17. Baffle; 18. Cylinder; 19. Switch 1; 20. Switch 2; 21. Arc-shaped part; 22. Magnetic block; 23. Pushing part 2; 24. Pushing part 1; 25. Gear 3; 26. Rack; 27. Fixing part; 28. Abutment block; 29. ​​Spring 2; 30. Groove; 31. Slide; 32. Closing plate; 33. Blade; 34. Isolating part. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] A hot melt adhesive raw material stirring and mixing device, such as Figure 1-Figure 7As shown, it includes a material barrel 1 for placing materials, and a rotating member 2 rotatably connected to the material barrel 1, and a number of stirring members 3 are connected to the rotating member 2. When this type of equipment is used normally, the switch of the machine body or the material barrel 1 is turned on, and the material is poured into the material barrel 1, and the internal rotating member 2 rotates, and synchronously drives the stirring member 3 to rotate. After the stirring material rotates for a long time, the material is mixed and finally discharged from the outlet of the machine body after the stirring is completed. The stirring effect in this state is single, and an expansion plate 4 for increasing the contact surface with the material is slidably connected inside the stirring member 3. An adjustment component for adjusting the expansion plate 4 is provided on the stirring member 3. A paddle 5 for pushing the material is rotatably connected to the stirring member 3 and the expansion plate 4, and the paddle 5 faces opposite directions. The stirring member 3 is rotatably connected to the rotating member 2, and a motor 6 for controlling the rotation of the stirring member 3 is provided in the rotating member 2. A connecting member 7 is provided at the rotational connection between the paddle 5, the stirring member 3 and the expansion plate 4, and the connecting member 7 is fixedly connected to the paddle 5. 7 is an inclined setting, a support shaft 8 is provided on the motor 1 6 and is engaged with the stirring member 3, a gear 1 9 is engaged on the support shaft 8, a gear 2 10 is provided on the stirring member 3 and the expansion plate 4 and is meshed with the gear 1 9, a push block 11 is fixedly provided on the gear 2 10, a guide groove 12 is provided on the connecting member 7 to accommodate the push block 11 to be embedded, and the connecting member 7 is driven to rotate by the push block 11 and the guide groove 12, and the paddle 5 is provided with an extrusion component for squeezing the material and reducing the bubbles inside the material. After using this device, the stirring member 3 is rotated under normal conditions. 2 drives the stirring member 3 to rotate and stir the materials continuously, and at the same time, the motor 16 is turned on to make the stirring member 3 be driven to rotate along the support shaft 8 of the motor 16. At the same time, when the stirring member 3 rotates, the internal expansion plate 4 is driven to rotate together, so that the stirring member 3 can also be driven by the motor 16 to rotate when it revolves along the rotating member 2. During the rotation, the support shaft 8 and the gear 19 rotate synchronously, and drive the meshing gear 2 10 to rotate as well. When the gear 2 10 rotates, it will drive the push block 11 to rotate along the guide groove 12 of the connecting member 7 to push the connecting member 7, and the connecting member 7 is fixed with the paddle 5 at the other end, and the upper and lower parts are also rotatably connected to the stirring member 3 and the expansion plate 4 respectively. Under the push of the push block 11, the connecting member 7 drives the paddle 5 to swing, so that when the stirring member 3 and the expansion plate 4 rotate to stir the materials, the paddle 5 also rotates and stirs the materials by being driven to rotate. It also continuously swings when contacting the materials to increase the fluidity and flow diversity of the materials, so that the materials are better mixed, thereby improving the mixing efficiency and more sufficient mixing of different raw materials.

[0025] The extrusion assembly includes an extrusion member 13 rotatably connected to the paddle 5, a protrusion 14 is provided on the side of the gear 2 10 opposite to the push block 11, a connecting rope 15 is provided on the protrusion 14 and the extrusion member 13, and the protrusion 14 is located at the end of the gear 2 10 close to the paddle 5, a spring 16 is provided between the extrusion member 13 and the paddle 5 to push the extrusion member 13 to reset, the elastic force of the spring 16 is greater than the force of the material contacting the extrusion member 13, and a baffle 17 is provided on the paddle 5 to prevent the extrusion member 13 from rotating backward. When the gear 5 is driven to swing, the extrusion piece 13 is also driven to swing synchronously, and the gear 2 10 will drive the protrusion 14 to rotate at the same time. The protrusion 14 rotates from the position close to the paddle 5 to the end of the gear 2 10 farthest from the paddle 5, thereby pulling the connected connecting rope 15. Since the protrusion 14 does not rotate on its own, the connecting rope 15 will not be reeled. At the same time, when the connecting rope 15 is pulled downward, it will drive the extrusion piece 13 downward to rotate along the upper end of the paddle 5 to compress the spring 16, so that the upper and lower extrusion pieces 13 are close to each other. When the paddle 5 is moved closer to the stirring member 3 and the expansion plate 4, the arc-shaped member 21 on the upper and lower paddles 5 will respectively abut the stirring member 3 and the expansion plate 4, and the extrusion member 13 is pulled by the connecting rope 15. In this state, the arc-shaped member 21 will abut against the extrusion member 13, and at the same time squeeze the materials in contact therebetween, thereby squeezing the materials and eliminating bubbles on the extruded materials. When the paddle 5 is driven to stir the materials under the above state, the extrusion member 13 and the arc-shaped member 21 will also squeeze the materials. Through a variety of different states, the materials are stirred more fully and the fluidity is also diverse, and better mixing can improve the mixing effect.

[0026] Secondly, after the push block 11 and the protrusion 14 rotate and reset, the connecting member 7 will be pulled and reset. At the same time, the spring in the paddle 5 will also drive the paddle 5, the extrusion member 13, and the curved member 21 to reset. The elastic force of the spring 16 in the extrusion member 13 will also help the extrusion member 13 reset and re-abut against the baffle 17 to avoid excessive backward movement. The spring elastic force in the curved member 21 is greater than the magnetic force and less than the pushing force. This ensures that the curved member 21 rotates when pushed by the stirring member 3 and the expansion plate 4, and resets driven by the spring. The spring elastic force can play a positioning and limiting role during stirring. This arrangement ensures that the paddle 5, the curved member 21, and the extrusion member 13 can swing back and forth and clamp during the rotation of the stirring member 3.

[0027] The adjusting assembly includes a cylinder 18 fixedly arranged in the stirring member 3, a groove for accommodating the embedding of the cylinder 18 on the expansion plate 4, a piston of the cylinder 18 is fixedly connected to the expansion plate 4, a switch 19 for controlling the opening of the cylinder 18 is provided on the material barrel 1, and the motor 16 is turned on and off by the cylinder 18, a switch 20 for independently controlling the motor 16 is provided on the material barrel 1, and by turning on the switch 19 of the cylinder 18, the cylinder 18 drives the piston to move downward, and the piston is connected to the expansion plate 4, thereby pushing the expansion plate 4 to move downward, a groove 30 for accommodating the support shaft 8 is provided on the expansion plate 4, the stirring member 3 is provided with a slide groove 31 for accommodating the movement of the gear 2 10 on the expansion plate 4, and the sliding connection on the stirring member 3 is used to close the expansion and slide outward. The closing plate 32 of the groove 30 and the groove 30 of the expansion plate 4 also move downward to avoid being restricted by the support shaft 8 and unable to move downward. At the same time, after the expansion plate 4 moves out of the stirring member 3, if the rotating member 2 drives the stirring member 3 and the expansion plate 4 to rotate, the original contact area between the stirring member 3 and the material can be increased. After the area of ​​pushing the material is expanded, although the power consumption under the same motor is larger, the increased coverage area will make the flow more uniform and reduce local concentration differences. At the same time, the shaft of the gear 2 10 on the expansion plate 4 will move downward along the slide 31 of the stirring member 3. At the same time, after being separated from the support of the gear 2 10 shaft, the closing plate 32 will also move downward to block the groove 30 extending from the expansion plate 4, thereby preventing the influx of materials. At the same time, during the stirring process, if it is necessary to adjust the cylinder 18 to be closed and the piston is reset, the motor 1 6 will automatically start to switch the stirring state, so as to freely adjust to better adapt to the stirring effect required under different conditions. The control relationship between the motor 1 6 and the cylinder 18 is the existing technology and will not be discussed in detail here.

[0028] A pushing member 1 24 and a pushing member 2 23 are respectively provided on both sides of the stirring member 3. The position of the pushing member 1 24 is lower than that of the pushing member 2 23, and the pushing member 1 24 and the pushing member 2 23 are attached to the stirring member 3. The pushing member 1 24 and the pushing member 2 23 are rotatably connected with the stirring member 3. The pushing member 1 24 and the pushing member 2 23 are both provided with a gear 3 25. The expansion plate 4 is provided with a rack 26 that pushes the pushing member 1 24 to expand and meshes with the gear 3 25. The stirring member 3 is provided with a fixing member 27. The expansion plate 4 is provided with a fixing member 27 to drive the pushing member 1 The abutment block 28 of the moving member 23 rotates, and a spring 29 is provided between the pushing member 23 and the stirring member 3. When the cylinder 18 moves upward to drive the expansion plate 4 to reset, the rack 26 first moves upward to engage with the gear 3 25, and drives the gear 3 25 to rotate, and drives the pushing member 1 24 to rotate and expand through the gear 3 25, and rotates from the state of being in contact with the stirring member 3 to away from the stirring member 3. After the rotation and expansion, the internal spring plays the effect of supporting the pushing member 1 24, and when the expansion plate 4 is reset after continuing to move upward, the abutment block 28 at the bottom will engage with the pushing member 1. The fixing member 27 on the second 23 abuts and pushes the fixing member 27 to rotate, and at the same time, the fixing member 27 drives the pushing member 23 to expand. The fixing member 27 is provided with teeth near the pushing member 23, and the pushing member 23 is also provided with a gear 3 25, so that the gear 3 25 of the pushing member 23 is rotated by the teeth of the fixing member 27. The fixing member 27 with teeth meshes with the gear 3 25 of the pushing member 23, which is equivalent to the transmission of two gears, which can change the rotation direction of the gear 3 25 of the pushing member 23, ensuring that the pushing member 2 3 can also be unfolded, thereby making the pusher 23 and the pusher 1 24 fully unfolded, and forming a type of impeller effect with the two paddles 5 extrusion member 13, which can continuously stir the material when rotating, and the spring 29 can also play a supporting role. When the expansion plate 4 is unfolded, if the pusher 1 24 and the pusher 2 23 are in a horizontal state, the effect is not great, and it is easy to accumulate materials. By driving the rack 26 and pushing the spring 2 29, the pusher 1 24 and the pusher 2 23 can be reset, ensuring the effect of repeated use.

[0029] The stirring member 3 and the expansion plate 4 are provided with blades 33 at the abutment of the arc-shaped member 21. The bottom of the blade 33 is provided with an outlet for accommodating the discharge of material. The part of the blade 33 facing the arc-shaped member 21 is the suction port, and the blade 33 is provided with an isolation member 34 at the suction port to prevent the arc-shaped member 21 from being embedded in the blade 33. The blades 33 are arranged at intervals. Secondly, when the extrusion member 13 approaches and the arc-shaped member 21 and the extrusion member 13 are pressed together, the material discharged to both sides can enter along the suction port of the blade 33 and be discharged along the outlet at the same time, so that the material has a new flow direction, and through the continuous rotation of the blade 33, the blade 33 can inhale the material to pressurize the extrusion member 13 and the arc-shaped member 21, and then discharge it, thereby increasing the flow of different states and increasing the mixing effect. The isolation member 34 can ensure that the arc-shaped member 21 and the extrusion member 13 will not be embedded in the blade 33, causing jamming.

[0030] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0031] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A hot melt adhesive raw material stirring and mixing device, comprising a material barrel (1) for placing the material, and a rotating member (2) rotatably connected to the material barrel (1), wherein the rotating member (2) is connected to a plurality of stirring members (3), characterized in that: An expansion plate (4) for increasing the contact surface with the material is slidably connected to the stirring member (3), and an adjustment component for adjusting the expansion plate (4) is provided on the stirring member (3). The stirring member (3) and the expansion plate (4) are respectively rotatably connected with paddles (5) for pushing the material, and the paddles (5) face opposite directions. The stirring member (3) is rotatably connected to the rotating member (2), and a motor (6) for controlling the rotation of the stirring member (3) is provided in the rotating member (2). A connecting member (7) is provided at the rotatable connection between the paddle (5), the stirring member (3) and the expansion plate (4), and the connecting member (7) is fixedly connected to the paddle (5). The connecting member (7) is tilted, the motor (6) is provided with a support shaft (8) engaged with the stirring member (3), the support shaft (8) is engaged with a gear (9), the stirring member (3) and the expansion plate (4) are provided with a gear (10) meshing with the gear (9), the gear (10) is fixedly provided with a push block (11), the connecting member (7) is provided with a guide groove (12) for accommodating the push block (11) to be embedded, and the connecting member (7) is driven to rotate by the push block (11) and the guide groove (12), and the paddle (5) is provided with an extrusion component for extruding materials and reducing bubbles inside the materials; The extrusion assembly includes an extrusion member (13) rotatably connected to the paddle (5), a protrusion (14) is provided on the side of the gear 2 (10) opposite to the push block (11), a connecting rope (15) is provided on the protrusion (14) and the extrusion member (13), and the protrusion (14) is located at the end of the gear 2 (10) close to the paddle (5), a spring (16) is provided between the extrusion member (13) and the paddle (5) for pushing the extrusion member (13) to reset, the elastic force of the spring (16) is greater than the force of contact between the material and the extrusion member (13), and a baffle (17) is provided on the paddle (5) for preventing the extrusion member (13) from rotating backward.

2. The hot melt adhesive raw material stirring and mixing device according to claim 1, characterized in that: The regulating assembly includes a cylinder (18) fixedly arranged in the stirring member (3), a groove for accommodating the cylinder (18) to be embedded is provided on the expansion plate (4), the piston of the cylinder (18) is fixedly connected to the expansion plate (4), a switch (19) for controlling the opening of the cylinder (18) is provided on the material barrel (1), and the motor (6) is turned on and off by the cylinder (18), and a switch (20) for independently controlling the motor (6) is provided on the material barrel (1).

3. The hot melt adhesive raw material stirring and mixing device according to claim 1, characterized in that: The paddle (5) is rotatably connected to an arc-shaped member (21) that abuts against the extrusion member (13); the arc-shaped member (21) and the paddle (5) are magnetically attracted; a magnetic block (22) is provided on the stirring member (3) and the expansion plate (4) that magnetically repels the arc-shaped member (21) and pushes the arc-shaped member (21) to fit with the extrusion member (13); and the front and rear positions of the arc-shaped member (21) and the extrusion member (13) are offset.

4. The hot melt adhesive raw material stirring and mixing device according to claim 2, characterized in that: A pusher 1 (24) and a pusher 2 (23) are respectively provided on both sides of the stirring member (3), the pusher 1 (24) is positioned lower than the pusher 2 (23), and the pusher 1 (24) and the pusher 2 (23) are attached to the stirring member (3), the pusher 1 (24) and the pusher 2 (23) are rotatably connected to the stirring member (3), the pusher 1 (24) and the pusher 2 (23) are both provided with a gear 3 (25), the expansion plate (4) is provided with a rack (26) for pushing the pusher 1 (24) to unfold and meshing with the gear 3 (25), the pusher 2 (23) is provided with a fixing member (27), the expansion plate (4) is provided with an abutment block (28) for pushing the fixing member (27) to drive the pusher 2 (23) to rotate, and a spring 2 (29) is provided between the pusher 2 (23) and the stirring member (3).

5. The hot melt adhesive raw material stirring and mixing device according to claim 1, characterized in that: The expansion plate (4) is provided with a groove (30) for accommodating the support shaft (8) passing therethrough, the stirring member (3) is provided with a sliding groove (31) for accommodating the movement of the second gear (10) on the expansion plate (4), and the stirring member (3) is slidably connected with a closing plate (32) for closing the groove (30) after the expansion slides outward.

6. The hot melt adhesive raw material stirring and mixing device according to claim 3, characterized in that: The stirring member (3) and the expansion plate (4) are provided with blades (33) at the locations where the arc-shaped member (21) abut against the blade (33). The bottom of the blade (33) is provided with an outlet for accommodating material discharge. The portion of the blade (33) facing the arc-shaped member (21) is a suction port. The blade (33) is provided with an isolation member (34) at the suction port to prevent the arc-shaped member (21) from being embedded in the blade (33). The blades (33) are arranged at intervals.

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