Special forming die for corrugated pipe

Abstract

The utility model relates to the technical field of corrugated pipe production, and provides a special mold for forming a corrugated pipe, which comprises a support frame, two mold bodies and a notch, the first bidirectional lead screw is arranged on the inner wall of the notch, and the outer surface of the symmetrical position of the first bidirectional lead screw is sleeved with a movable seat in a threaded mode; and the bearing seat is arranged on the surface of one side of the supporting frame. According to the device, when the positioning pin frame on the surface of the spring is pulled, the positioning pin frame is separated from the interior of the positioning hole, the mold body is taken out from the interior of the groove along the connecting rod, meanwhile, the two-way lead screw II is rotated in a matched mode, the two moving rods are driven to conduct centering motion along the guide rod, and pipe cores with different diameters are fixed through the clamping blocks; and one end of the pipe core makes contact with the bearing base, the die body is rapidly replaced, corrugated pipes of different sizes can be conveniently machined, and the applicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bellows production, in particular to a special mould for forming bellows. Background Art

[0002] A bellows is a tubular elastic sensitive element formed by connecting foldable corrugated sheets along the folding and stretching direction. Bellows mainly include metal bellows, plastic bellows, etc. Bellows are widely used in daily production and life. During the production of bellows, the tube blank needs to be processed so that the surface of the tube blank is evenly pressed with corrugations.

[0003] In the existing technology, the processing method of some existing bellows is to put the raw materials into the mold and process them into shape. However, some bellows processing molds are inconvenient to adjust the size of the bellows molding, and there are certain limitations during processing. At the same time, some bellows molds are also cumbersome to operate when demolding, so a solution is needed. Utility Model Content

[0004] The purpose of the utility model is to solve the problems existing in the prior art: the existing processing method of some bellows is to put the raw materials into a mold and then process them into shape, but some bellows processing molds are inconvenient to adjust the size of the bellows molding, there are certain limitations during processing, and at the same time, some bellows molds are also more complicated to operate when demolding.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a special mold for forming a corrugated pipe, comprising: a support frame and two mold bodies, a notch formed on the surface of the support frame; and further comprising:

[0006] A bidirectional screw rod 1 is arranged on the inner wall of the slot, and a movable seat is provided on the threaded sleeve on the outer surface of the bidirectional screw rod 1 at a symmetrical position;

[0007] A load-bearing seat is provided on one side surface of the support frame, and a bidirectional screw rod 2 is provided on the inner wall of one side of the support frame;

[0008] Two groups of connecting rods are arranged at symmetrical positions on one side surface of the two mold bodies, and positioning holes are opened on the surfaces of the two groups of connecting rods.

[0009] Preferably, the threaded sleeves on the outer surfaces of the two symmetrical positions of the bidirectional screw rod are provided with moving rods, and one side surface of the two moving rods is provided with a clamping block.

[0010] The technical effect of adopting the above further scheme is: when the bidirectional screw rod 2 is rotated, the moving rod with the threaded sleeve on the outer surface is driven to move in the center, and the positioning of the tube cores of different diameters is completed through the clamping block, preventing the tube core from tilting when adding raw materials, affecting the subsequent processing quality.

[0011] Preferably, a guide rod is movably embedded in one end of the two movable rods, and the guide rod is arranged on the inner wall of the support frame.

[0012] The technical effect of adopting the above further solution is: providing position limiting work for the moving rod through the guide rod inside the support frame.

[0013] Preferably, sliding rods are slidably embedded in the two movable seats at symmetrical positions, and the two sliding rods are arranged inside the slots.

[0014] The technical effect of adopting the above further solution is: the movable seat is limited by the sliding rod inside the notch to prevent displacement during movement.

[0015] Preferably, grooves are provided at symmetrical locations on one side surface of the two movable seats, and a plurality of the grooves are movably sleeved on the surface of the connecting rod.

[0016] The technical effect of adopting the above further solution is: the connecting rod is limited by the groove on the surface of the movable seat.

[0017] Preferably, a spring is provided on one side surface of the two movable seats, and a positioning pin holder is provided at one end of the two springs.

[0018] The technical effect of adopting the above further solution is: by connecting the two ends of the spring to the surfaces of the movable seat and the positioning pin frame respectively, the positioning pin frame is provided with a reset capability, which facilitates operation.

[0019] Preferably, one end of the two positioning pin brackets is movably embedded in the positioning hole.

[0020] The technical effect of adopting the above further solution is: the mold body is positioned by embedding the positioning pin holder inside the positioning hole.

[0021] Preferably, an inner cavity is opened inside the two mold bodies, the two mold bodies are slidably connected to the surface of the load-bearing seat, and a cover is provided on one side surface of the two mold bodies.

[0022] The technical effect of adopting the above further solution is: by sliding the mold body on the surface of the load-bearing seat, one end of the bellows is leveled, and at the same time, the cover on the surface of the mold body is opened to facilitate the addition of coolant inside.

[0023] Compared with the prior art, the advantages and positive effects of the present invention are:

[0024] 1. In the utility model, by pulling the positioning pin holder on the surface of the spring, the positioning pin holder is separated from the inside of the positioning hole, and the mold body is taken out from the inside of the groove along the connecting rod. By opening the cover, it is convenient to add coolant to the inner cavity, which is convenient for accelerating the subsequent bellows molding. At the same time, the two moving rods are driven to move along the guide rod for centering. The tube cores of different diameters are fixed by the clamping block, and one end of the tube core is in contact with the load-bearing seat. By quickly replacing the mold body, it is convenient to process bellows of different sizes, thereby improving the applicability of the device.

[0025] 2. In the present invention, after the corrugated tube is formed, the movable seat on the outer surface is driven to move along the slide rod by rotating the bidirectional screw 1, thereby driving the two mold bodies away from each other, and then the tube core is pulled out, thereby completing the rapid demoulding work and improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 The utility model provides a side view of a special mold for forming a corrugated pipe;

[0027] Figure 2 This is a schematic diagram of the partially expanded structure of a special mold for forming a corrugated pipe proposed in the utility model;

[0028] Figure 3 The utility model provides a partial cross-sectional structural diagram of a special mold for forming a corrugated pipe;

[0029] Figure 4 The utility model proposes a special mold for forming a corrugated pipe Figure 1 Enlarged structural diagram at point A in the middle.

[0030] Legend:

[0031] 1. Support frame; 101. Notch; 1011. Two-way screw rod 1; 1012. Sliding rod; 1013. Moving seat; 1014. Groove; 1015. Spring; 1016. Positioning pin frame; 1017. Two-way screw rod 2; 1018. Moving rod; 1019. Clamping block; 1020. Guide rod; 102. Load-bearing seat; 2. Mold; 201. Cover; 202. Inner cavity; 203. Connecting rod; 204. Positioning hole. DETAILED DESCRIPTION

[0032] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0033] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0034] Example 1, as Figures 1 to 4 As shown, the utility model provides a special mold for forming a corrugated pipe, including: a support frame 1 and two mold bodies 2, a slot 101, which is opened on the surface of the support frame 1; also including: a bidirectional screw rod 1011, which is arranged on the inner wall of the slot 101, and a movable seat 1013 is provided on the outer surface threaded sleeve at the symmetrical position of the bidirectional screw rod 1011; a load-bearing seat 102, which is arranged on one side surface of the support frame 1, and a bidirectional screw rod 2 1017 is provided on the inner wall of one side of the support frame 1; two groups of connecting rods 203, which are arranged at symmetrical positions on the one side surface of the two mold bodies 2, and positioning holes 204 are opened on the surfaces of the two groups of connecting rods 203.

[0035] In this embodiment, by pulling the positioning pin bracket 1016 on the surface of the spring 1015, the positioning pin bracket 1016 is disengaged from the inside of the positioning hole 204, and the mold body 2 is taken out from the inside of the groove 1014 along the connecting rod 203. By opening the cover 201, it is convenient to add coolant to the inner cavity 202, which facilitates the subsequent acceleration of the bellows forming. At the same time, the two-way screw rod 1017 is rotated to drive the two moving rods 1018 to move along the guide rod 1020 for centering. The tube cores of different diameters are fixed by the clamping block 1019, and one end of the tube core is in contact with the load-bearing seat 102. By quickly replacing the mold body 2, it is convenient to process bellows of different sizes, thereby improving the applicability of the device.

[0036] In embodiment 2, the outer surface of the two-way screw rod 1017 is symmetrically provided with a threaded sleeve having a moving rod 1018, and a clamping block 1019 is provided on one side surface of the two moving rods 1018. One end of the two moving rods 1018 is movably embedded with a guide rod 1020, and the guide rod 1020 is provided on the inner wall of the support frame 1. The two moving seats 1013 are symmetrically slidably embedded with a slide rod 1012, and the two slide rods 1012 are provided inside the slot 101. The symmetrical parts of the surface of one side of the two moving seats 1013 are provided with a Grooves 1014, multiple grooves 1014 are movably sleeved on the surface of the connecting rod 203, a spring 1015 is provided on one side surface of the two movable seats 1013, one end of the two springs 1015 is provided with a positioning pin frame 1016, one end of the two positioning pin frames 1016 is movably embedded in the interior of the positioning hole 204, an inner cavity 202 is opened inside the two mold bodies 2, the two mold bodies 2 are slidably connected to the surface of the load-bearing seat 102, and a cover 201 is provided on one side surface of the two mold bodies 2.

[0037] In this embodiment, after the bellows is formed, the movable seat 1013 on the outer surface is driven to move along the slide rod 1012 by rotating the bidirectional screw 1011, thereby driving the two mold bodies 2 away from each other, and then the tube core is pulled out, thereby completing the rapid demolding work and improving the processing efficiency.

[0038] Working principle: When in use, by pulling the positioning pin bracket 1016 on the surface of the spring 1015, the positioning pin bracket 1016 is disengaged from the inside of the positioning hole 204, and the mold body 2 is taken out from the inside of the groove 1014 along the connecting rod 203. By opening the cover 201, it is convenient to add coolant to the inner cavity 202, which is convenient for accelerating the subsequent bellows forming. At the same time, in conjunction with the rotating bidirectional screw rod 1017, the two moving rods 1018 are driven to move along the guide rod 1020 for centering movement. The tube cores of different diameters are fixed by the clamping block 1019, and one end of the tube core is in contact with the load-bearing seat 102. By quickly replacing the mold body 2, it is convenient to process bellows of different sizes, thereby improving the applicability of the device. In addition, after the bellows is formed, by rotating the bidirectional screw rod 1011, the moving seat 1013 on the outer surface is driven to move along the slide rod 1012, thereby driving the two mold bodies 2 away from each other, and then the tube core is pulled out, thereby completing the rapid demoulding work and improving the processing efficiency.

[0039] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A special mold for forming a corrugated pipe, comprising: A support frame (1) and two mold bodies (2), a notch (101) is provided on the surface of the support frame (1); characterized in that it further comprises: A bidirectional screw rod (1011) is arranged on the inner wall of the notch (101), and a movable seat (1013) is provided on the threaded sleeve on the outer surface of the bidirectional screw rod (1011) at a symmetrical position; A load-bearing seat (102) is provided on a side surface of the support frame (1), and a bidirectional screw rod 2 (1017) is provided on an inner wall of one side of the support frame (1); Two groups of connecting rods (203) are arranged at symmetrical positions on one side surface of the two mold bodies (2), and positioning holes (204) are opened on the surfaces of the two groups of connecting rods (203).

2. The special mold for forming a corrugated pipe according to claim 1, characterized in that: The outer surface thread sleeves of the two bidirectional screw rods (1017) at symmetrical locations are provided with moving rods (1018), and one side surface of the two moving rods (1018) is provided with clamping blocks (1019).

3. The special mold for forming a corrugated pipe according to claim 2, characterized in that: A guide rod (1020) is movably embedded in one end of the two movable rods (1018), and the guide rod (1020) is arranged on the inner wall of the support frame (1).

4. The special mold for forming a corrugated pipe according to claim 3, characterized in that: Sliding rods (1012) are slidably embedded in the two movable seats (1013) at symmetrical positions, and the two sliding rods (1012) are arranged inside the notch (101).

5. The special mold for forming a corrugated pipe according to claim 4, characterized in that: Grooves (1014) are provided at symmetrical locations on one side surface of the two movable seats (1013), and a plurality of the grooves (1014) are movably sleeved on the surface of the connecting rod (203).

6. The special mold for forming a corrugated pipe according to claim 5, characterized in that: A spring (1015) is provided on one side surface of the two movable seats (1013), and a positioning pin frame (1016) is provided at one end of the two springs (1015).

7. The special mold for forming a corrugated pipe according to claim 6, characterized in that: One end of the two positioning pin frames (1016) is movably embedded in the interior of the positioning hole (204).

8. The special mold for forming a corrugated pipe according to claim 1, characterized in that: An inner cavity (202) is provided inside the two mold bodies (2), the two mold bodies (2) are slidably connected to the surface of the load-bearing seat (102), and a cover (201) is provided on one side surface of the two mold bodies (2).

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