Anti-backflow urine bag head injection mold

Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to an anti-backflow urine bag head injection mold which comprises an injection mold body and two mold mounting plates, the two mold mounting plates are arranged in the injection mold body, slots are formed in the mold mounting plates, templates are inserted into the slots, and a plurality of insertion holes are formed in the peripheral sides of the templates; the multiple first sliding grooves are formed in the inner walls of the two inserting grooves correspondingly, inserting blocks are slidably connected into the first sliding grooves, one ends of the inserting blocks extend into the inserting holes and are in inserting fit with the inserting holes, the other ends of the inserting blocks are fixedly connected with springs fixed to the inner walls of the first sliding grooves, and extrusion grooves are formed in the inserting blocks; the inner wall of the first sliding groove is provided with a second sliding groove, the second sliding groove is internally connected with an extrusion rod in a sliding mode, and the problems that a user needs to detach the movable mold plate and the fixed mold plate from the movable mold mounting plate and the fixed mold mounting plate respectively with the help of tools, the time consumed for detaching is long, and the working efficiency of the user is reduced are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds, in particular to an injection mold for an anti-backflow urine bag head. Background Art

[0002] The anti-backflow urine bag head injection mold is a device related to the field of injection mold technology. Its main components include a base plate, a movable mold mounting plate and a fixed mold mounting plate. A support frame is fixed on the top of the base plate, a hydraulic cylinder is fixed on the top of the support frame, the hydraulic cylinder is fixedly connected to the movable mold mounting plate, and a movable mold plate is fixed on the bottom of the movable mold mounting plate.

[0003] When the movable mold plate or the fixed mold plate is worn out during long-term use of the traditional anti-backflow urine bag head injection mold, the user needs to use tools to remove the movable mold plate and the fixed mold plate from the movable mold mounting plate and the fixed mold mounting plate respectively, and the removal takes a long time, which reduces the user's work efficiency. In view of this, we propose an anti-backflow urine bag head injection mold. Utility Model Content

[0004] The utility model aims to provide an injection mold for an anti-backflow urine bag head to solve the problems raised in the above-mentioned background technology.

[0005] In view of this, the utility model provides an injection mold for an anti-backflow urine bag head, comprising:

[0006] An injection mold body and two mold mounting plates, wherein the two mold mounting plates are arranged in the injection mold body, slots are provided on the mold mounting plates, mold plates are inserted into the slots, and a plurality of plug holes are provided on the peripheral side of the mold plates;

[0007] A plurality of first slide grooves, wherein the plurality of first slide grooves are respectively provided on the inner walls of the two slots, an insert block is slidably connected in the first slide groove, and one end of the insert block extends into the jack and is plugged into the jack, and the other end of the insert block is fixedly connected to a spring fixed to the inner wall of the first slide groove, an extrusion groove is provided on the insert block, and a second slide groove is provided on the inner wall of the first slide groove, and an extrusion rod is slidably connected in the second slide groove, and one end of the extrusion rod is located in the extrusion groove;

[0008] Two driving assemblies are respectively located in two mold mounting plates and are respectively used to drive multiple extrusion rods to move.

[0009] Based on the above structure, by setting the slot and template, it is ensured that the template can be inserted into the slot; by setting the socket, first slide groove, plug block and spring, it is ensured that one end of the plug block can enter the socket along the first slide groove under the action of the spring force; by setting the extrusion groove, second slide groove and extrusion rod, it is ensured that the extrusion rod can move along the second slide groove, so that one end of the extrusion rod squeezes the extrusion groove, so that one end of the plug block enters the first slide groove; by setting the driving assembly, it is ensured that the user can drive the corresponding multiple extrusion rods to move through the driving assembly, so that one end of the multiple extrusion rods can respectively squeeze the corresponding multiple extrusion grooves.

[0010] In the above technical solution, further, the driving component includes:

[0011] A plurality of first rotating grooves, the plurality of first rotating grooves are provided in the mold mounting plate and are respectively connected with the plurality of second sliding grooves, a transmission plate is rotatably connected in the first rotating groove, an arc groove is provided in the transmission plate, a transmission block is slidably connected in the arc groove, and one end of the transmission block extends into the second sliding groove and is fixed to the extrusion rod;

[0012] A plurality of second rotating grooves, which are arranged in the mold mounting plate and are respectively connected to the plurality of first rotating grooves, a sprocket wheel is rotatably connected in the second rotating groove, and one end of the sprocket wheel extends into the first rotating groove and is fixed to the transmission plate;

[0013] A through slot, which is provided in the mold mounting plate and communicates with the plurality of second rotating slots, wherein a chain meshing with the plurality of sprocket wheels is arranged in the through slot;

[0014] A third rotating groove is provided in the mold mounting plate and is connected to one of the second rotating grooves. A fourth rotating groove connected to the outside is provided on the inner wall of the third rotating groove. A worm wheel is rotatably connected in the third rotating groove, and one end of the worm wheel extends into one of the second rotating grooves and is fixed to one of the sprockets. A worm is meshed with one side of the worm wheel and rotates with the fourth rotating groove.

[0015] In this technical solution, it is ensured that the user can quickly replace the two templates.

[0016] In the above technical solution, further, one end of the transmission block is slidably connected to the second sliding groove.

[0017] In this technical solution, it is ensured that one end of the transmission block can slide normally in the second sliding groove.

[0018] In the above technical solution, further, one end of the worm gear is rotationally connected to one of the second rotation grooves.

[0019] In this technical solution, it is ensured that one end of the worm wheel can rotate normally in one of the second rotation grooves.

[0020] In the above technical solution, further, one end of the sprocket is rotatably connected to the first rotating groove.

[0021] In this technical solution, it is ensured that one end of the sprocket can rotate normally in the first rotation groove.

[0022] In the above technical solution, further, one end of the extrusion rod is arranged to be inclined.

[0023] In this technical solution, it is ensured that one end of the extrusion rod can extrude the extrusion groove.

[0024] In the above technical solution, further, the two mold mounting plates are respectively a movable mold mounting plate and a fixed mold mounting plate, and the two templates are respectively a movable template and a fixed template.

[0025] The beneficial effects of the utility model are:

[0026] The anti-backflow urine bag head injection mold ensures that the template can be inserted into the slot through the set slot and template, and ensures that one end of the plug block can enter the slot along the first slide groove under the action of the spring force through the set socket, and ensures that the extrusion groove, second slide groove and extrusion rod can move along the second slide groove, so that one end of the extrusion rod can squeeze the extrusion groove, so that one end of the plug block enters the first slide groove through the set driving component, and ensures that the user can drive the corresponding multiple extrusion rods to move through the driving component, so that one end of the multiple extrusion rods can squeeze the corresponding multiple extrusion grooves respectively, thereby solving the problem that the user needs to use tools to remove the movable template and the fixed template from the movable mold mounting plate and the fixed mold mounting plate respectively, and the disassembly consumes a long time, which reduces the user's work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0028] Figure 2 It is a schematic diagram of a partial explosion structure of the utility model;

[0029] Figure 3 This is one of the internal structure diagrams of the mold installation plate of the utility model;

[0030] Figure 4 This is the second schematic diagram of the internal structure of the mold installation plate of the utility model;

[0031] Figure 5 This is the third schematic diagram of the internal structure of the mold installation plate of the utility model;

[0032] Figure 6 This is the fourth schematic diagram of the internal structure of the mold installation plate of the utility model.

[0033] The symbols in the figure are:

[0034] 1. Injection mold body; 2. Mold mounting plate; 3. First rotating groove; 4. Slot; 5. Template; 6. Socket; 7. First slide groove; 8. Insert block; 9. Spring; 10. Extrusion groove; 11. Second slide groove; 12. Extrusion rod; 13. Transmission plate; 14. Arc groove; 15. Transmission block; 16. Second rotating groove; 17. Sprocket; 18. Through groove; 19. Chain; 20. Third rotating groove; 21. Fourth rotating groove; 22. Worm wheel; 23. Worm. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0036] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0037] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0038] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

[0039] It should be noted that, in the present application, the terms "comprise", "include" or any other variant 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. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the method and device in the embodiment of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples. Example 1

[0040] See also Figure 1 - Figure 6 As shown, this embodiment provides an anti-backflow urine bag head injection mold, comprising:

[0041] An injection mold body 1 and two mold mounting plates 2, the two mold mounting plates 2 are arranged in the injection mold body 1, a slot 4 is provided on the mold mounting plate 2, a mold plate 5 is inserted in the slot 4, and a plurality of insertion holes 6 are provided on the peripheral side of the mold plate 5;

[0042] A plurality of first slide grooves 7 are respectively provided on the inner walls of the two slots 4, an insert block 8 is slidably connected in the first slide groove 7, and one end of the insert block 8 extends into the insertion hole 6 and is plugged and matched with the insertion hole 6, the other end of the insert block 8 is fixedly connected to a spring 9 fixed to the inner wall of the first slide groove 7, an extrusion groove 10 is provided on the insert block 8, a second slide groove 11 is provided on the inner wall of the first slide groove 7, an extrusion rod 12 is slidably connected in the second slide groove 11, and one end of the extrusion rod 12 is located in the extrusion groove 10;

[0043] Two driving assemblies are respectively located in the two mold mounting plates 2 and are respectively used to drive the multiple extrusion rods 12 to move. Example 2

[0044] This embodiment provides an anti-backflow urine bag head injection mold, which, in addition to the technical solutions of the above embodiments, also has the following technical features, and the driving component includes:

[0045] A plurality of first rotating grooves 3 are provided in the mold mounting plate 2 and are respectively connected with the plurality of second sliding grooves 11. A transmission plate 13 is rotatably connected in the first rotating groove 3. An arc groove 14 is provided on the transmission plate 13. A transmission block 15 is slidably connected in the arc groove 14. One end of the transmission block 15 extends into the second sliding groove 11 and is fixed to the extrusion rod 12.

[0046] A plurality of second rotating grooves 16 are provided in the mold mounting plate 2 and are respectively connected to the plurality of first rotating grooves 3. A sprocket 17 is rotatably connected in the second rotating groove 16, and one end of the sprocket 17 extends into the first rotating groove 3 and is fixed to the transmission plate 13.

[0047] A through slot 18, which is provided in the mold mounting plate 2 and communicates with the plurality of second rotating slots 16, and a chain 19 meshing with the plurality of sprocket wheels 17 is arranged in the through slot 18;

[0048] The third rotating groove 20 is provided in the mold mounting plate 2 and is connected to one of the second rotating grooves 16. A fourth rotating groove 21 connected to the outside is provided on the inner wall of the third rotating groove 20. A worm wheel 22 is rotatably connected in the third rotating groove 20, and one end of the worm wheel 22 extends into one of the second rotating grooves 16 and is fixed to one of the sprockets 17. A worm 23 that rotates with the fourth rotating groove 21 is meshed on one side of the worm wheel 22.

[0049] When the template 5 is worn out during long-term use, the user rotates the worm 23 by hand, so that the worm 23 drives the worm wheel 22 to rotate in the third rotation groove 20. When the worm wheel 22 rotates, the worm wheel 22 drives one of the sprockets 17 to rotate in one of the second rotation grooves 16, so that one of the sprockets 17 drives the other multiple sprockets 17 to rotate through the chain 19. When the multiple sprockets 17 rotate, the multiple sprockets 17 respectively drive the multiple transmission plates 13 to rotate, so that the multiple transmission plates 13 respectively rotate in the multiple first rotation grooves 3. When the multiple transmission plates 13 rotate, the multiple transmission plates 13 pass through the multiple arcs. The arc grooves 14 squeeze the multiple transmission blocks 15 respectively, so that the multiple transmission blocks 15 move along the multiple arc grooves 14 respectively, so that the multiple transmission blocks 15 respectively drive one end of the multiple extrusion rods 12 to slide in the multiple second slide grooves 11, and one end of the multiple extrusion rods 12 squeezes the multiple extrusion grooves 10 respectively, so that one end of the multiple plug-in blocks 8 respectively enters the multiple first slide grooves 7 from the multiple insertion holes 6. At the same time, the other ends of the multiple plug-in blocks 8 will compress the multiple springs 9 respectively. When the multiple plug-in blocks 8 enter the multiple first slide grooves 7 respectively, the user manually takes out the two templates 5 from the two slots 4 for replacement. After the replacement is completed, the user uses The user inserts the two replaced templates 5 into the two slots 4 respectively by hand, and then rotates the two worms 23 in the opposite direction by hand, so that the worm 23 drives the worm wheel 22 to rotate in the opposite direction in the third rotation groove 20. When the worm wheel 22 rotates in the opposite direction, the worm wheel 22 drives one of the sprocket wheels 17 to rotate in the opposite direction in one of the second rotation grooves 16, so that one of the sprocket wheels 17 drives the other multiple sprocket wheels 17 to rotate in the opposite direction through the chain 19. When the multiple sprocket wheels 17 rotate in the opposite direction, the multiple sprocket wheels 17 will respectively drive the multiple transmission plates 13 to rotate in the opposite direction, so that the multiple transmission plates 13 respectively rotate in the opposite direction in the multiple first rotation grooves 3. When the multiple transmission plates When 13 rotates in the reverse direction, the multiple transmission plates 13 will respectively reversely squeeze the multiple transmission blocks 15 through the multiple arc grooves 14, so that the multiple transmission blocks 15 can move in the reverse direction along the multiple arc grooves 14 respectively, so that the multiple transmission blocks 15 can respectively drive one end of the multiple extrusion rods 12 to slide in the reverse direction in the multiple second slide grooves 11, so that one end of the multiple extrusion rods 12 releases the extrusion of the multiple extrusion grooves 10, so that one end of the multiple insertion blocks 8 is respectively acted upon by the elastic force of the multiple springs 9, and is respectively inserted into the multiple insertion holes 6 from the multiple first slide grooves 7. At this time, the two templates 5 are respectively fixed in the two slots 4, ensuring that the user can quickly replace the two templates 5. Example 3

[0050] This embodiment provides an anti-backflow urine bag head injection mold, which, in addition to the technical solutions of the above embodiments, also has the following technical features: one end of the transmission block 15 is slidably connected to the second slide groove 11.

[0051] Here, it is ensured that one end of the transmission block 15 can slide normally in the second sliding groove 11 . Example 4

[0052] This embodiment provides an anti-backflow urine bag head injection mold, which, in addition to the technical solutions of the above embodiments, also has the following technical features: one end of the worm gear 22 is rotatably connected to one of the second rotating grooves 16.

[0053] Here, it is ensured that one end of the worm wheel 22 can rotate normally in one of the second rotation grooves 16 . Example 5

[0054] This embodiment provides an anti-backflow urine bag head injection mold, which, in addition to the technical solutions of the above embodiments, also has the following technical features: one end of the sprocket 17 is rotatably connected to the first rotating groove 3.

[0055] Here, it is ensured that one end of the sprocket 17 can rotate normally in the first rotation groove 3 . Example 6

[0056] This embodiment provides an injection mold for an anti-backflow urine bag head. In addition to the technical solutions of the above embodiments, it also has the following technical features: one end of the extrusion rod 12 is inclined.

[0057] Here, it is ensured that one end of the extrusion rod 12 can extrude the extrusion groove 10 . Example 7

[0058] This embodiment provides an anti-backflow urine bag head injection mold, which, in addition to the technical solutions of the above embodiments, also has the following technical features: the two mold mounting plates 2 are respectively a movable mold mounting plate and a fixed mold mounting plate, and the two templates 5 are respectively a movable template and a fixed template.

[0059] When the template 5 is worn out during long-term use, the user rotates the worm 23 by hand, so that the worm 23 drives the worm wheel 22 to rotate in the third rotating groove 20. When the worm wheel 22 rotates, the worm wheel 22 drives one of the sprockets 17 to rotate in one of the second rotating grooves 16, so that one of the sprockets 17 drives the other multiple sprockets 17 to rotate through the chain 19. When the multiple sprockets 17 rotate, the multiple sprockets 17 respectively drive the multiple transmission plates 13 to rotate, so that the multiple transmission plates 13 respectively rotate in the multiple first rotating grooves 3. When the multiple transmission plates 13 rotate, the multiple transmission plates 13 pass through the multiple arc grooves 19. 4 respectively squeeze the multiple transmission blocks 15, so that the multiple transmission blocks 15 move along the multiple arc grooves 14 respectively, so that the multiple transmission blocks 15 respectively drive one end of the multiple extrusion rods 12 to slide in the multiple second slide grooves 11, so that one end of the multiple extrusion rods 12 respectively squeezes the multiple extrusion grooves 10, so that one end of the multiple plug blocks 8 respectively enters the multiple first slide grooves 7 from the multiple insertion holes 6, and at the same time, the other ends of the multiple plug blocks 8 will compress the multiple springs 9 respectively. When the multiple plug blocks 8 enter the multiple first slide grooves 7 respectively, the user manually takes out the two templates 5 from the two slots 4 for replacement. After the replacement is completed, the user manually The two replaced templates 5 are respectively inserted into the two slots 4, and then the user manually rotates the two worms 23 in the opposite direction, so that the worm 23 drives the worm wheel 22 to rotate in the opposite direction in the third rotation groove 20. When the worm wheel 22 rotates in the opposite direction, the worm wheel 22 drives one of the sprocket wheels 17 to rotate in the opposite direction in one of the second rotation grooves 16, so that one of the sprocket wheels 17 drives the other multiple sprocket wheels 17 to rotate in the opposite direction through the chain 19. When the multiple sprocket wheels 17 rotate in the opposite direction, the multiple sprocket wheels 17 will respectively drive the multiple transmission plates 13 to rotate in the opposite direction, so that the multiple transmission plates 13 rotate in the opposite direction in the multiple first rotation grooves 3 respectively. When the multiple transmission plates 1 When rotating in the reverse direction, the plurality of transmission plates 13 will respectively squeeze the plurality of transmission blocks 15 in the reverse direction through the plurality of arc grooves 14, so that the plurality of transmission blocks 15 respectively move in the reverse direction along the plurality of arc grooves 14, so that the plurality of transmission blocks 15 respectively drive one end of the plurality of extrusion rods 12 to slide in the reverse direction in the plurality of second slide grooves 11, so that one end of the plurality of extrusion rods 12 releases the extrusion of the plurality of extrusion grooves 10, so that one end of the plurality of insertion blocks 8 is respectively acted upon by the elastic force of the plurality of springs 9, and is respectively inserted into the plurality of insertion holes 6 from the plurality of first slide grooves 7. At this time, the two templates 5 are respectively fixed in the two slots 4, so that the user can quickly replace the two templates 5.

[0060] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. Anti-backflow urine bag head injection mold, characterized in that: include: An injection mold body (1) and two mold mounting plates (2), wherein the two mold mounting plates (2) are arranged in the injection mold body (1), a slot (4) is provided on the mold mounting plates (2), a mold plate (5) is inserted into the slot (4), and a plurality of insertion holes (6) are provided on the peripheral side of the mold plate (5); A plurality of first slide grooves (7), wherein the plurality of first slide grooves (7) are respectively provided on the inner walls of the two slots (4), an insert block (8) is slidably connected in the first slide groove (7), and one end of the insert block (8) extends into the insertion hole (6) and is plugged into the insertion hole (6), and the other end of the insert block (8) is fixedly connected to a spring (9) fixed to the inner wall of the first slide groove (7), an extrusion groove (10) is provided on the insert block (8), a second slide groove (11) is provided on the inner wall of the first slide groove (7), an extrusion rod (12) is slidably connected in the second slide groove (11), and one end of the extrusion rod (12) is located in the extrusion groove (10); Two driving assemblies are respectively located in two mold mounting plates (2) and are respectively used to drive a plurality of extrusion rods (12) to move.

2. The anti-backflow urine bag head injection mold according to claim 1, characterized in that: The drive assembly comprises: A plurality of first rotating grooves (3), the plurality of first rotating grooves (3) are arranged in the mold mounting plate (2) and are respectively connected to the plurality of second sliding grooves (11), a transmission plate (13) is rotatably connected in the first rotating groove (3), an arc groove (14) is arranged on the transmission plate (13), a transmission block (15) is slidably connected in the arc groove (14), and one end of the transmission block (15) extends into the second sliding groove (11) and is fixed to the extrusion rod (12); A plurality of second rotating grooves (16), the plurality of second rotating grooves (16) being arranged in the mold mounting plate (2) and respectively connected to the plurality of first rotating grooves (3), a sprocket (17) being rotatably connected in the second rotating groove (16), and one end of the sprocket (17) extending into the first rotating groove (3) and being fixed to the transmission plate (13); A through groove (18), the through groove (18) being provided in the mold mounting plate (2) and being connected to the plurality of second rotating grooves (16), and a chain (19) meshing with the plurality of sprocket wheels (17) being arranged in the through groove (18); A third rotating groove (20), the third rotating groove (20) is provided in the mold mounting plate (2) and is connected to one of the second rotating grooves (16), a fourth rotating groove (21) connected to the outside is provided on the inner wall of the third rotating groove (20), a worm wheel (22) is rotatably connected in the third rotating groove (20), one end of the worm wheel (22) extends into one of the second rotating grooves (16) and is fixed to one of the sprocket wheels (17), and a worm (23) is meshed with one side of the worm wheel (22) and is rotatable with the fourth rotating groove (21).

3. The anti-backflow urine bag head injection mold according to claim 2, characterized in that: One end of the transmission block (15) is slidably connected to the second sliding groove (11).

4. The anti-backflow urine bag head injection mold according to claim 2, characterized in that: One end of the worm wheel (22) is rotationally connected to one of the second rotation grooves (16).

5. The anti-backflow urine bag head injection mold according to claim 2, characterized in that: One end of the sprocket (17) is rotationally connected to the first rotation groove (3).

6. The anti-backflow urine bag head injection mold according to claim 1, characterized in that: One end of the extrusion rod (12) is arranged in an inclined manner.

7. The anti-backflow urine bag head injection mold according to claim 1, characterized in that: The two mold mounting plates (2) are respectively a movable mold mounting plate and a fixed mold mounting plate, and the two mold plates (5) are respectively a movable mold plate and a fixed mold plate.

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