Positioning die mechanism

Abstract

The utility model belongs to the technical field of positioning net welding, and discloses a positioning die mechanism which comprises a bottom net positioning assembly and a side net positioning assembly, the side net positioning assembly comprises a plurality of first positioning blocks distributed in an array mode, the first positioning blocks are configured to fix reinforcing steel bars forming a side net, and the positions of the first positioning blocks are adjustable; the bottom net positioning assembly comprises a plurality of second positioning blocks distributed in an array mode, the second positioning blocks are configured to fix reinforcing steel bars forming the bottom net, and the positions of the second positioning blocks are adjustable. By the adoption of the structure, when the distances between the steel bars in the positioning meshes are different, the whole positioning mold does not need to be replaced, bottom meshes or side meshes with different distances between the steel bars can be formed by adjusting the positions of the first positioning blocks and the second positioning blocks, and therefore different positioning meshes are formed, and manpower and material resources are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning net welding, in particular to a positioning die mechanism. Background Art

[0002] In the construction of box girders, the mesh that plays a role in positioning the tensioning duct in the steel bar structure is usually called the box girder positioning net.

[0003] In the prior art for positioning net welding, each batch of positioning nets requires a specific positioning die. The steel bars are placed in the positioning die and then welded. This method requires the production of positioning dies for each welding, resulting in a large number of various dies, which are extremely difficult to distinguish. If the size of the die cannot be adjusted, only rework manufacturing can be carried out, resulting in a delay in the construction period and a waste of manpower and material resources. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a positioning die mechanism that can be adjusted according to different positioning net sizes to improve the welding efficiency.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A positioning die mechanism for positioning the steel bars that make up the positioning mesh. The positioning mesh includes a bottom mesh and a side mesh. The positioning die mechanism includes:

[0007] A side mesh positioning component and a bottom mesh positioning component. The side mesh positioning component includes a number of first positioning blocks distributed in an array. The first positioning blocks are configured to fix the steel bars that make up the side mesh, and the positions of the first positioning blocks are adjustable. The bottom mesh positioning component includes a number of second positioning blocks distributed in an array. The second positioning blocks are configured to fix the steel bars that make up the bottom mesh, and the positions of the second positioning blocks are adjustable.

[0008] In some embodiments, the side mesh positioning component includes a first driving member, a second driving member, a first rail and a second rail. A plurality of the first rails are spaced apart along a first direction, and each first rail extends along a second direction. A plurality of the second rails are spaced apart along the second direction, and each second rail extends along the first direction. The first rail and the second rail intersect, and the first positioning blocks are detachably arranged at the intersection points of the first rail and the second rail. The first direction and the second direction are arranged at an angle.

[0009] The output end of the first driving member is connected to the first rail to be able to drive the first rail to drive the first positioning block to slide along the second rail. The output end of the second driving member is connected to the second rail to be able to drive the second rail to drive the first positioning block to slide along the first rail.

[0010] In some embodiments, the first positioning block includes two first plates arranged at intervals and two opposite second plates. The first plates are slidably arranged on opposite sides of the first rail. Two first protrusions are arranged on each first plate, and the two first protrusions are spaced apart along the length direction of the first rail. The second plates are in a U-shaped configuration and span across the two first plates at intervals and are located between the two first protrusions. The two second plates are respectively slidably connected to both sides of the second rail.

[0011] In some embodiments, the bottom mesh positioning assembly includes a third driving member and a third rail. A plurality of the third rails are spaced apart along the first direction, each third rail extends along the third direction, and a moving second positioning block is arranged on each third rail. The third driving member drives the second positioning block to move along the third rail, and the third direction is perpendicular to the first direction.

[0012] In some embodiments, the bottom mesh positioning assembly includes a third driving member, a fourth driving member, a third rail, and a fourth rail. A plurality of the third rails are spaced apart along the first direction, each third rail extends along the third direction, a plurality of the fourth rails are spaced apart along the third direction, and each fourth rail extends along the first direction. The third rail and the fourth rail intersect, and a second positioning block is arranged at the intersection of the third rail and the fourth rail; the third direction is perpendicular to the first direction;

[0013] The output end of the third driving member is connected to the third rail so as to be able to drive the third rail to drive the second positioning block to slide along the fourth rail; the output end of the fourth driving member is connected to the fourth rail so as to be able to drive the fourth rail to drive the second positioning block to slide along the third rail.

[0014] In some embodiments, the second positioning block includes fourth plates arranged at intervals from each other. The fourth plates are located on both sides of the third rail. Second protrusions are arranged at intervals on each fourth plate. A fifth plate is also arranged on the two fourth plates. The fifth plate is arranged between the two second protrusions. Two sets of opposite L-shaped protrusions are arranged on the fifth plate. One side of the L-shaped protrusion is flush with the fifth plate, and the other side of the L-shaped protrusion protrudes in the same direction as the second protrusion.

[0015] In some embodiments, a plurality of magnets are arranged on both the first positioning block and the second positioning block, and the plurality of magnets are used to fix the steel bars.

[0016] In some embodiments, the positioning die mechanism further includes a translation driving member. The output end of the translation driving member is respectively connected to the bottom mesh positioning assembly and the side mesh positioning assembly so as to enable the bottom mesh positioning assembly and the side mesh positioning assembly to exchange positions.

[0017] In some embodiments, a conversion frame is further included. The conversion frame is provided with two sets of conversion tracks. One set of the conversion tracks is located on the relative inner side of the conversion frame, and the other set of the conversion tracks is located on the top of the conversion frame. The bottom net positioning component and the side net positioning component slide on the two sets of conversion tracks respectively.

[0018] In some embodiments, a lifting driving member is further included. The output end of the lifting driving member is connected to the bottom net positioning component and / or the side net positioning component to drive the bottom net positioning component and / or the side net positioning component to lift.

[0019] Advantages of the utility model:

[0020] When the steel bar spacing in the positioning mesh is different, there is no need to replace the entire positioning die. By adjusting the positions of the first positioning block and the second positioning block, a bottom net or a side net with different steel bar spacings can be formed, thereby forming different positioning meshes, saving manpower and material resources. Description of the drawings

[0021] Figure 1 is a schematic diagram of the positioning die mechanism of the utility model;

[0022] Figure 2 is Figure 1 the enlarged view at A in

[0023] Figure 3 is Figure 1 the enlarged view at B in

[0024] Figure 4 is a schematic diagram of a positioning mesh in the prior art.

[0025] In the figure:

[0026] 10. Side net; 20. Bottom net;

[0027] 11. Side net positioning component; 111. First positioning block; 1111. First plate; 1112. Second plate; 112. First driving member; 113. Second driving member; 114. First track; 115. Second track; 116. First enclosing frame; 12. Bottom net positioning component; 121. Second positioning block; 1211. Fourth plate; 1212. Fifth plate; 122. Third driving member; 123. Third track; 124. Second enclosing frame; 13. Magnet; 14. Conversion frame; 15. Translation driving member; 16. Lifting driving member. Detailed implementation manners

[0028] The present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, rather than limiting the present utility model. In addition, it should be noted that for the convenience of description, only the parts related to the present utility model rather than all the structures are shown in the drawings.

[0029] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected", "connected to", and "fixed" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0030] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "above the top of", and "on the top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the first feature is at a higher horizontal height than the second feature. The first feature being "below", "below the bottom of", and "under the bottom of" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely means that the first feature is at a lower horizontal height than the second feature.

[0031] In the description of this embodiment, the orientation or positional relationships such as "above", "below", "left", "right", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meanings.

[0032] As Figures 1 to 3 shown, the present invention provides a positioning die mechanism for positioning the steel bars of the positioning mesh in the prior art. The positioning mesh (such as Figure 4As shown in the figure, it includes a bottom net 20 and a side net 10. Both the bottom net 20 and the side net 10 are formed by splicing a number of horizontal and vertical steel bars; the positioning die mechanism includes a bottom net positioning component 12 and a side net positioning component 11. The side net positioning component 11 includes a number of first positioning blocks 111 distributed in an array. The first positioning blocks 111 are configured to fix the steel bars forming the side net 10, and the positions of the first positioning blocks 111 are adjustable; the bottom net positioning component 12 includes a number of second positioning blocks 121 distributed in an array. The second positioning blocks 121 are configured to fix the steel bars forming the bottom net 20, and the positions of the second positioning blocks 121 are adjustable.

[0033] With the above structure, when the steel bar spacing in the positioning mesh is different, there is no need to replace the entire positioning die. By adjusting the positions of the first positioning blocks 111 and the second positioning blocks 121, a bottom net 20 or a side net 10 with different steel bar spacings can be formed, thereby forming different positioning meshes, saving manpower and material resources.

[0034] As Figure 1 and Figure 2 shown, in some embodiments, the side net positioning component 11 includes a first enclosing frame 116, and the first enclosing frame 116 is formed by enclosing four sliding guide rails; a number of first rails 114 and a number of second rails 115 are arranged inside the first enclosing frame 116. The number of first rails 114 are spaced along a first direction (the first direction is the X direction in Figure 1 ), and each first rail 114 extends along a second direction (the second direction is the Y direction in Figure 1 ); while the number of second rails 115 are spaced along the second direction, and each second rail 115 extends along the first direction, where the first direction and the second direction are arranged at an angle; that is to say, the first rails 114 and the second rails 115 are arranged in a cross manner; since in the side net 10, some steel bars are in an inclined state, this inclined state determines the angle between the first direction and the second direction, that is to say, the angle between the first direction and the second direction can be preset according to the steel bar cross angle in different side nets 10. In addition, the opposite ends of the first rails 114 and the opposite ends of the second rails 115 are respectively slidably connected to the sliding guide rails forming the first enclosing frame 116 to adjust the positions of the first rails 114 and the second rails 115. In the current embodiment, four first rails 114 are provided, two second rails 115 are provided, and the first rails 114 abut against the upper surface of the second rails 115.

[0035] As Figure 1 and Figure 2As shown, in addition, a first positioning block 111 is provided at the intersection between the first rail 114 and the second rail 115, so that the steel bars can be fixed by the first positioning block 111, so that the steel bars form an intersection, which is convenient for welding. In this embodiment, the first positioning block 111 includes two first plates 1111 arranged at intervals, and the first plates 1111 are slidably arranged on the opposite sides of the first rail 114; illustratively, the opposite sides of the first rail 114 are provided with a slide groove, and the first plate 1111 is provided with a slider slidably connected to the slide groove, so that the sliding is more stable. Two first protrusions are provided on each first plate 1111, and the two first protrusions are spaced apart along the length direction of the first rail 114, one of the first protrusions is located at the first end of the first plate 1111, and the other first protrusion is spaced from the second end of the first plate 1111, that is, a steel bar can be placed between one of the first protrusions and the second end of the first plate 1111. The first positioning block 111 also includes two opposite second plates 1112, which are spaced across the two first plates 1111 in a "J" shape and are located between the two first protrusions. The two second plates 1112 are respectively slidably connected to the two sides of the second rail 115; in order to ensure the stability of movement, one of the second plate 1112 and the second rail 115 can also be provided with a protrusion, and the other is provided with a slide groove matching the protrusion. The first plate 1111 and the second plate 1112 can include but are not limited to the use of screw connection and other disassembly connection. Further, in order to facilitate the fixing of the steel bars placed on the first plate 1111 and the second plate 1112, a magnet 13 is provided on the first protrusion of the first plate 1111, and a magnet 13 is provided on the vertical plate of the "J"-shaped second plate 1112, so that the steel bars placed on the first plate 1111 and the second plate 1112 can be stably placed, so that multiple steel bars can be enclosed in a parallelogram on the first positioning block 111.

[0036] To ensure the movement of the first rail 114 and the second rail 115, the side net positioning assembly 11 further includes a first driving member 112 and a second driving member 113. The output end of the first driving member 112 is connected to the first rail 114, and the output end of the second driving member 113 is connected to the second rail 115. The first driving member 112 drives the first rail 114 to drive the first positioning block 111 to move along the second rail 115, while the output end of the second driving member 113 is connected to the second rail 115, and the second driving member 113 drives the second rail 115 to drive the first positioning block 111 to move along the first rail 114, so as to adjust the spacing of the steel bars. It should be noted here that the forms of the first driving member 112 and the second driving member 113 are not specifically limited, and common transmission structures such as a combination of a motor, a gear and a chain, a combination of a motor and a conveyor belt, or a combination of a motor and a lead screw can be adopted. In this embodiment, the form of a motor and a lead screw is adopted. The motor is connected to the lead screw, and a nut is arranged on the lead screw. The end of the first rail 114 or the second rail 115 is connected to the nut. In some embodiments, the first rail 114 and the first driving member 112 are arranged in one-to-one correspondence, and the second rail 115 and the second driving member 113 are arranged in one-to-one correspondence; in other embodiments, one first driving member 112 and one second driving member 113 can be provided, and a synchronous gear set is arranged at the output ends of the first driving member 112 and the second driving member 113. A plurality of first rails 114 and a plurality of second rails 115 are respectively connected to the first driving member 112 or the second driving member 113 through the synchronous gear set, so as to synchronously adjust the plurality of first rails 114 and synchronously adjust the plurality of second rails 115. The synchronous gear set is a prior art, and the specific structure will not be elaborated.

[0037] As Figure 1 and Figure 3 shown, in some embodiments, the bottom net positioning assembly 12 includes a second enclosing frame 124. A third rail 123 is arranged in the second enclosing frame 124 and is distributed at intervals along the first direction. Each third rail 123 extends along the third direction (the second direction is Figure 1In the Z direction, since the steel bars on the bottom net 20 are horizontally and vertically perpendicular steel bars; thus, in the current embodiment, the third direction is perpendicular to the first direction. The second positioning blocks 121 are provided on the third rail 123, so as to position the steel bars forming the bottom net 20 through a plurality of second positioning blocks 121. In the current embodiment, in order to form the above-mentioned bottom net 20, the second positioning block 121 includes fourth plates 1211 arranged at intervals. The fourth plates 1211 are located on both sides of the third rail 123. Second protrusions are arranged at intervals on each fourth plate 1211. The two second protrusions are distributed at intervals along the length direction of the fourth plate 1211. One of the second protrusions is located at the first end of the fourth plate 1211, and there is a distance between the other second protrusion and the second end of the fourth plate 1211, that is, a steel bar can be placed between one of the second protrusions and the second end of the fourth plate 1211; fifth plates 1212 are also provided on the two fourth plates 1211. The fifth plates 1212 are arranged between the two second protrusions. Two groups of opposite L-shaped protrusions are provided on the fifth plates 1212. One side of the L-shaped protrusion is flush with the fifth plate 1212, and the other side of the L-shaped protrusion protrudes in the same direction as the second protrusion, so that a plurality of steel bars enclose a square shape on the second positioning block 121. In addition, the bottom net positioning assembly 12 is also provided with a third driving member 122. The output end of the third driving member 122 is connected to the above-mentioned second positioning block 121, so as to adjust the position of the second positioning block 121 on the third rail 123 and ensure the welding quality. The form of the third driving member 122 is not specifically limited. In the current embodiment, the common form of a motor and a lead screw is adopted. In the current embodiment, in order to ensure the stability of the movement of the second positioning block 121, a slideway is provided on one of the side parts of the third rail 123 or the fourth plate 1211, and a sliding protrusion is provided on the other one.

[0038] Further, in order to facilitate the fixing of the steel bars placed on the fourth plates 1211 and the fifth plates 1212, magnets 13 are provided on the second protrusions of the fourth plates 1211 and the L-shaped protrusions of the fifth plates 1212 to facilitate the fixing of the steel bars.

[0039] In some other embodiments, in order to adapt to the closed bottom net 20, the side positioning assembly may also include a second enclosing frame 124 formed by a combination of sliding rails, and further includes a third rail 123 and a fourth rail disposed in the second enclosing frame 124. The third rail 123 and the fourth rail are arranged crosswise, and both opposite ends of the third rail 123 and the fourth rail are respectively slidably connected to the sliding guide rails forming the second enclosing frame 124. A second positioning block 121 as described above is disposed at the intersection between the third rail 123 and the fourth rail, and the second positioning block 121 may adopt the same structure as the first positioning block 111. In order to facilitate driving the sliding of the third rail 123 and the fourth rail, the side positioning assembly further includes a third driving member 122 and a fourth driving member. The output end of the third driving member 122 is connected to the third rail 123 to drive the third rail 123 to drive the second positioning block 121 to slide along the fourth rail; the output end of the fourth driving member is connected to the fourth rail to drive the fourth rail to drive the second positioning block 121 to slide along the third rail 123. The third rail 123 and the fourth rail may adopt the same moving structure as the first rail 114 and the second rail 115, which will not be specifically described herein.

[0040] As Figure 1 shown, in order to save costs, each positioning die mechanism board is equipped with an external welding device, and the external welding device is disposed on one side of the bottom net positioning assembly 12 or the side net positioning assembly 11. Based on this, in order to facilitate welding, the positioning die mechanism further includes a translation driving member 15, and the translation driving member 15 is respectively connected to the bottom net positioning assembly 12 and the side net positioning assembly 11 to drive the two to exchange positions to facilitate taking turns to be welded by the external welding device. Specifically, the positioning die mechanism further includes a conversion frame 14. The conversion frame 14 is provided with two groups of conversion rails. One group of conversion rails is located on the relative inner side of the conversion frame 14, and the other group of conversion rails is located on the top of the conversion frame 14. The first enclosing frame 116 of the bottom net positioning assembly 12 and the second enclosing frame 124 of the side net positioning assembly 11 respectively slide on the two groups of conversion rails. Exemplarily, two translation driving members 15 may be provided, and the two translation driving members 15 are respectively connected to the first enclosing frame 116 and the second enclosing frame 124 to drive the two to move in opposite directions. The translation driving member 15 may adopt a combination of a motor, a gear and a driving chain, and the first enclosing frame 116 and the second enclosing frame 124 are both disposed on the driving chain.

[0041] As Figure 1As shown, further, in order to avoid interference between the bottom net positioning component 12 and the side net positioning component 11 during the conversion position, the positioning die mechanism further includes a lifting drive member 16, and the lifting drive member 16 is connected to the bottom net positioning component 12 and / or the side net positioning component 11, so as to drive at least one of the bottom net positioning component 12 and the side net positioning component 11 to lift, so as to be able to avoid the other. In some embodiments, the lifting drive member 16 slides on one set of conversion rails, and the lifting drive member 16 is a lifting cylinder, and the output end of the lifting cylinder is connected to the first enclosing frame 116, so as to be able to drive the first enclosing frame 116 to lift to avoid the translation of the second enclosing frame 124; of course, the second enclosing frame 124 can also be arranged at the output end of the lifting drive member 16, so as to drive the second enclosing frame 124 to lift to avoid the translation of the first enclosing frame 116.

[0042] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, rather than limiting the implementation manners of the present invention. For those of ordinary skill in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A positioning mold mechanism, used for positioning the steel bars constituting a positioning mesh, wherein the positioning mesh comprises a bottom mesh (20) and a side mesh (10), characterized in that: The positioning mold mechanism comprises: A side net positioning assembly (11) and a bottom net positioning assembly (12), wherein the side net positioning assembly (11) comprises a plurality of first positioning blocks (111) distributed in an array, the first positioning blocks (111) being configured to fix the steel bars constituting the side net (10), and the position of the first positioning blocks (111) being adjustable; and the bottom net positioning assembly (12) comprises a plurality of second positioning blocks (121) distributed in an array, the second positioning blocks (121) being configured to fix the steel bars constituting the bottom net (20), and the position of the second positioning blocks (121) being adjustable.

2. The positioning mold mechanism according to claim 1, characterized in that: The side net positioning assembly (11) comprises a first driving member (112), a second driving member (113), a first rail (114) and a second rail (115); a plurality of the first rails (114) are spaced apart along a first direction, each of the first rails (114) extends along a second direction; a plurality of the second rails (115) are spaced apart along the second direction, each of the second rails (115) extends along the first direction; the first rail (114) and the second rail (115) intersect; the first positioning block (111) is detachably arranged at the intersection of the first rail (114) and the second rail (115); the first direction and the second direction are arranged at an angle; The output end of the first driving member (112) is connected to the first rail (114) so ​​as to drive the first rail (114) to drive the first positioning block (111) to slide along the second rail (115); the output end of the second driving member (113) is connected to the second rail (115) so as to drive the second rail (115) to drive the first positioning block (111) to slide along the first rail (114).

3. The positioning mold mechanism according to claim 2, characterized in that: The first positioning block (111) comprises two first plates (1111) arranged at intervals and two opposite second plates (1112); the first plates (1111) are slidably arranged on opposite sides of the first rail (114); each of the first plates (1111) is provided with two first protrusions, and the two first protrusions are spaced apart along the length direction of the first rail (114); the second plates (1112) are spaced apart and span the two first plates (1111) in a "X" shape and are located between the two first protrusions; the two second plates (1112) are slidably connected to the two sides of the second rail (115) respectively.

4. The positioning mold mechanism according to claim 2, characterized in that: The bottom net positioning assembly (12) comprises a third driving member (122) and a third rail (123); a plurality of the third rails (123) are spaced apart along the first direction; each of the third rails (123) extends along a third direction; each of the third rails (123) is provided with a movable second positioning block (121); the third driving member (122) drives the second positioning block (121) to move along the third rail (123); and the third direction is perpendicular to the first direction.

5. The positioning mold mechanism according to claim 2, characterized in that: The bottom net positioning assembly (12) comprises a third driving member (122), a fourth driving member, a third rail (123) and a fourth rail, a plurality of the third rails (123) are spaced apart along the first direction, each of the third rails (123) extends along the third direction, a plurality of the fourth rails are spaced apart along the third direction, each of the fourth rails extends along the first direction, the third rail (123) intersects with the fourth rail, and the second positioning block (121) is arranged at the intersection of the third rail (123) and the fourth rail; the third direction is perpendicular to the first direction; The output end of the third driving member (122) is connected to the third rail (123) so as to be able to drive the third rail (123) to drive the second positioning block (121) to slide along the fourth rail; the output end of the fourth driving member is connected to the fourth rail so as to be able to drive the fourth rail to drive the second positioning block (121) to slide along the third rail (123).

6. The positioning mold mechanism according to claim 4, characterized in that: The second positioning block (121) comprises fourth plates (1211) which are spaced apart from each other, the fourth plates (1211) being located on both sides of the third rail (123), each of the fourth plates (1211) being spaced apart from each other with second protrusions, a fifth plate (1212) being further provided on the two fourth plates (1211), the fifth plate (1212) being provided between the two second protrusions, the fifth plate (1212) being provided with two groups of opposite L-shaped protrusions, one side of the L-shaped protrusion being flush with the fifth plate (1212), and the other side of the L-shaped protrusion being protruded in the same direction as the second protrusion.

7. The positioning mold mechanism according to claim 1, characterized in that: The first positioning block (111) and the second positioning block (121) are both provided with a plurality of magnets (13), and the plurality of magnets (13) are used to fix the steel bars.

8. The positioning mold mechanism according to claim 1, characterized in that: The positioning mold mechanism also includes a translation driving member (15), the output end of which is respectively connected to the bottom net positioning assembly (12) and the side net positioning assembly (11), so that the bottom net positioning assembly (12) and the side net positioning assembly (11) can exchange positions.

9. The positioning mold mechanism according to claim 8, characterized in that: It also includes a conversion frame (14), wherein the conversion frame (14) is provided with two groups of conversion rails, wherein one group of the conversion rails is located at the relatively inner sides of the conversion frame (14), and the other group of the conversion rails is located at the top of the conversion frame (14), and the bottom net positioning assembly (12) and the side net positioning assembly (11) slide on the two groups of conversion rails respectively.

10. The positioning mold mechanism according to claim 1, characterized in that: It also comprises a lifting drive member (16), the output end of which is connected to the bottom net positioning assembly (12) and / or the side net positioning assembly (11) so as to drive the bottom net positioning assembly (12) and / or the side net positioning assembly (11) to lift and lower.

Images