A plastic pipe clamp injection mold
By using a mirror-symmetric design and structurally optimized plastic pipe clamp injection mold, multiple plastic pipe clamps can be molded in one step and cooled uniformly, solving the problems of difficult demolding and uneven cooling, thus improving production efficiency and product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DALIAN JINZE MFG CO LTD
- Filing Date
- 2025-04-28
- Publication Date
- 2026-06-30
AI Technical Summary
Existing plastic pipe clamp injection molds suffer from problems such as difficulty in demolding, uneven cooling, and low mold closing accuracy, resulting in low production efficiency and low product qualification rate, which cannot meet the needs of mass production.
The static and dynamic templates are designed with mirror symmetry, and are equipped with structures such as ejector pins, ejector guides, and return springs. The built-in circulating water channel around the injection groove enables multiple plastic pipe clamps to be molded in one go and cooled evenly.
It improves production efficiency, ensures smooth demolding, reduces product damage, increases product qualification rate, enhances mechanical performance and service life, and meets the needs of mass production.
Smart Images

Figure CN224426274U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of injection mold technology, specifically to a plastic pipe clamp injection mold. Background Technology
[0002] Plastic pipe clamps, as common industrial accessories, are widely used in pipe fixing, connection, and support. Traditional manufacturing processes for plastic pipe clamps typically employ injection molding technology. The design and manufacturing quality of the injection mold directly affect the molding accuracy and production efficiency of the plastic pipe clamps. Existing injection molds have some structural shortcomings, such as difficulty in demolding, uneven cooling during injection, and low mold closing accuracy, leading to low production efficiency and a low product qualification rate.
[0003] Furthermore, existing injection molds typically only mold a single plastic pipe clamp at a time, resulting in low production efficiency and failing to meet the demands of mass production. Simultaneously, the mold's cooling system design is often inadequate, leading to uneven cooling of the molded parts, generating internal stress, and affecting the product's mechanical properties and lifespan. Therefore, there is an urgent need for a plastic pipe clamp injection mold with a rational structure, high production efficiency, convenient demolding, and uniform cooling to solve the aforementioned problems in the existing technology. Utility Model Content
[0004] The purpose of this utility model is to provide a plastic pipe clamp injection mold to solve the problems mentioned in the background art, such as difficulty in demolding, uneven cooling during injection, and low mold closing accuracy, which lead to low production efficiency and low product qualification rate.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a plastic pipe clamp injection mold, wherein the plastic pipe clamp includes a disc-shaped pipe clamp center seat, two mirror-symmetrical pipe clamp claws and claw reinforcing ribs perpendicular to their outer sides are fixed to the front side of the pipe clamp center seat, a cross-shaped pipe clamp fixing main frame is provided on the rear side and multiple main frame fixing plates perpendicular to and parallel to each other on each side wall, and a frustum-shaped pipe clamp tail seat is provided at the tail end of the pipe clamp fixing main frame; the entire plastic pipe clamp is mirror-shaped on the plane where the two claw reinforcing ribs are located; it includes a left-side injection stationary mold and a right-side injection moving mold; the injection stationary mold includes left and right sides arranged... The system comprises a stationary mold panel and a stationary mold base plate. The stationary mold base plate has a rectangular groove with a left concave shape at the center of its right side surface, into which a stationary template is embedded. The injection mold includes a moving mold base plate on the right side. The moving mold base plate has moving mold feet on its left side near both long sides. The left side of the two moving mold feet is shared by a moving mold base plate. The left side of the moving mold base plate has a rectangular groove with a right concave shape, into which a moving template is embedded. The stationary template and the moving template are arranged in a mirror image symmetrically. At the joint surface, multiple grooves that match the shape of the plastic pipe clamp are respectively arranged opposite each other. The opposite grooves are arranged in a mirror image symmetrically with respect to the plane where the two clamping claw reinforcing ribs of the plastic pipe clamp are located.
[0006] Preferably, the stationary mold panel is connected to the fixed injection part of the injection molding machine, and the moving mold base plate is fixedly connected to the movable injection part of the injection molding machine; a sprue sleeve is provided on the left side of the stationary mold panel and is connected to the injection outlet of the injection molding machine; an injection channel is provided at the center of the sprue sleeve and passes through the stationary mold panel, the stationary mold base plate, and the stationary mold plate in sequence, and communicates with the right side of the stationary mold plate; a groove flow channel is provided on the right side of the stationary mold plate and communicates with multiple grooves, and the groove flow channel is also communicated with the injection channel.
[0007] Preferably, a bottom pin plate on the right and a face pin plate on the left, both of the same specifications, are provided between the two moving mold feet. The face pin plate is provided with a plurality of ejector pins, which penetrate the moving mold base plate and the moving mold template.
[0008] Preferably, a demolding guide rod is provided at each of the four corners of the face needle plate, and a return spring is sleeved thereon. The demolding guide rod passes through the moving mold base plate and can slide without obstruction. The return spring is placed between the moving mold base plate and the face needle plate.
[0009] Preferably, a stationary mold guide sleeve is provided at each of the four corners of the stationary mold base plate, and a moving mold guide rod is provided at each of the four corners of the moving mold base plate, which corresponds one-to-one with the four stationary mold guide sleeves and is coaxial with them. The moving mold guide rod can be inserted into the corresponding stationary mold guide sleeve.
[0010] Preferably, the static mold plate and the moving mold plate are respectively provided with circulating water channels surrounding multiple injection molding grooves. The two sets of circulating water channels are respectively provided with circulating water inlets and outlets on the sides of the corresponding static mold base plate and the moving mold base plate and are respectively connected to external circulating water.
[0011] Preferably, the base plate is provided with a through hole, and a demolding top block is provided in the hole, the demolding top block being fixedly disposed on the bottom surface of the base plate.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. This utility model, through the mirror symmetry design of the static template and the moving template, allows the mold to injection mold multiple plastic pipe clamps at one time, which significantly improves production efficiency and meets the needs of mass production;
[0014] 2. The mold is equipped with ejector pins, ejector guides, and return springs, ensuring a smooth demolding process and effectively preventing product damage during demolding, thus improving the product qualification rate.
[0015] 3. The static and dynamic mold plates are equipped with circulating water channels surrounding multiple injection grooves, which can ensure uniform heat dissipation of the injection molded parts during the cooling process, reduce the generation of internal stress, and improve the mechanical properties and service life of the products.
[0016] 4. The plastic pipe clamp injection mold of this utility model has the advantages of high-efficiency production, convenient demolding, uniform cooling, and high mold closing accuracy. It can significantly improve the production efficiency and quality of plastic pipe clamps and has broad application prospects. Attached Figure Description
[0017] Figure 1 This is an isometric drawing of the present invention;
[0018] Figure 2 for Figure 1 Main view;
[0019] Figure 3 for Figure 2 Left view;
[0020] Figure 4 for Figure 3 Sectional view of AA;
[0021] Figure 5 This is a schematic diagram of an injection molding static mold;
[0022] Figure 6 This is a schematic diagram of the moving mold for injection molding;
[0023] Figure 7 This is a schematic diagram of a plastic pipe clamp;
[0024] In the diagram: Pipe clamp center seat - A1, pipe clamp claw - A2, claw reinforcing rib - A3; pipe clamp fixing main frame - A4, main frame fixing plate - A5, pipe clamp tail seat - A6, injection mold stationary mold - 1, stationary mold panel - 11, stationary mold base plate - 12, stationary mold plate - 13, sprue bushing - 14, stationary mold guide bushing - 15, circulating water channel - 16, injection mold moving mold - 2, moving mold base plate - 21, moving mold foot - 22, moving mold base plate - 23, moving mold plate - 24, bottom pin plate - 25, top pin plate - 26, ejector pin - 27, ejector guide rod - 28, return spring - 29, moving mold guide rod - 30, ejector block - 31. Detailed Implementation
[0025] To enable those skilled in the art to better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments.
[0026] Please refer to Figure 1-7 , Figure 1 This is an isometric drawing of the present invention; Figure 2 for Figure 1 Main view; Figure 3 for Figure 2 Left view; Figure 4 for Figure 3 Sectional view of AA; Figure 5 This is a schematic diagram of an injection molding static mold; Figure 6 This is a schematic diagram of the moving mold for injection molding; Figure 7 This is a schematic diagram of a plastic pipe clamp.
[0027] As attached Figure 7 The plastic pipe clamp shown includes a disc-shaped pipe clamp center seat A1. Two mirror-symmetrical pipe clamp claws A2 are fixed to the front side of the pipe clamp center seat A1, and a claw reinforcing rib A3 perpendicular to the outside of the claws A2 is provided. A cross-shaped pipe clamp fixing main frame A4 is provided on the rear side of the pipe clamp center seat A1, and multiple main frame fixing plates A5 perpendicular to and parallel to each other are provided on the outer side of each side wall of the pipe clamp fixing main frame A4. At the same time, a frustum-shaped pipe clamp tail seat A6 is provided at the tail end of the pipe clamp fixing main frame A4. The entire plastic pipe clamp is mirror-shaped with respect to the plane where the two claw reinforcing ribs A3 are located.
[0028] This utility model provides a plastic pipe clamp injection mold for injection molding of the aforementioned plastic pipe clamps, and can injection mold multiple clamps at once; it includes a left-side static injection mold 1 and a right-side moving injection mold 2; the static injection mold 1 and the moving injection mold 2 are used together for the injection molding production of plastic pipe clamps.
[0029] The injection mold 1 includes a left-side mold panel 11 and a right-side mold base plate 12. A rectangular groove with a left concave shape is provided at the center of the right side of the mold base plate 12, and a mold template 13 is embedded therein. The injection mold 2 includes a right-side mold base plate 21. Mold feet 22 are provided on the left side of the mold base plate 21 near the two long sides. A mold base plate 23 is provided on the left side of the two mold feet 22. A rectangular groove with a right concave shape is provided on the left side of the mold base plate 23, and a mold template 24 is embedded therein. The mold template 13 and the mold template 24 are arranged in a mirror image symmetrically. At the joint surface, multiple grooves that match the shape of the plastic pipe clamp are respectively provided opposite each other. The opposite grooves are arranged in a mirror image symmetrically with respect to the plane where the two clamping ribs A3 of the plastic pipe clamp are located. Thus, multiple plastic pipe clamps can be injection molded at one time by using the mold template 13 and the mold template 24 in conjunction.
[0030] The stationary mold panel 11 is connected to the fixed injection part of the injection molding machine, and the moving mold base plate 21 is fixedly connected to the movable injection part of the injection molding machine, so that the injection moving mold 2 moves synchronously with the movable injection part of the injection molding machine. A sprue sleeve 14 is provided on the left side of the stationary mold panel 11 for docking with the injection outlet of the injection molding machine. An injection channel is provided at the center of the sprue sleeve 14 and passes through the stationary mold panel 11, the stationary mold base plate 12, and the stationary mold plate 13 in sequence, and communicates with the right side of the stationary mold plate 13. A groove flow channel communicating with multiple grooves is provided on the right side of the stationary mold plate 13. The groove flow channel is also connected to the injection channel for injecting molten plastic into the groove to complete the injection molding operation.
[0031] Between the two moving mold feet 22, there is a bottom pin plate 25 on the right and a top pin plate 26 of the same specifications. The top pin plate 26 is provided with a plurality of ejector pins 27, which pass through the moving mold base plate 23 and the moving mold plate 24 for demolding. Each of the four corners of the top pin plate 26 is provided with a demolding guide rod 28 and a return spring 29 is sleeved on it. The demolding guide rod 28 passes through the moving mold base plate 23 and can slide without obstruction. The return spring 29 is placed between the moving mold base plate 23 and the top pin plate 26 and is used to drive the top pin plate 26 to return to the initial position after demolding is completed.
[0032] Each of the four corners of the stationary mold base plate 12 is provided with a stationary mold guide sleeve 15, and each of the four corners of the moving mold base plate 23 is provided with a moving mold guide rod 30 that corresponds one-to-one with the four stationary mold guide sleeves 15 and is coaxial. The moving mold guide rod 30 can be inserted into the corresponding stationary mold guide sleeve 15, thereby ensuring the accuracy of mold closing between the injection stationary mold 1 and the injection moving mold 2.
[0033] The static mold plate 13 and the moving mold plate 24 are respectively provided with circulating water channels 16 surrounding multiple injection molding grooves. The two sets of circulating water channels 16 are respectively provided with circulating water inlets and outlets on the sides of the corresponding static mold base plate 12 and moving mold base plate 23, which are used for external circulating water.
[0034] The base plate 21 is provided with a through hole, and a demolding ejector block 31 is provided in the hole. The demolding ejector block 31 is fixedly provided on the bottom surface of the bottom pin plate 25, so that the demolding mechanism of the injection molding machine can drive the demolding ejector pin 27 to perform demolding operation by pushing the demolding ejector block 31 upward.
[0035] Although embodiments of the present invention have been shown and described, it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, it will be understood by those skilled in the art that all other embodiments obtained by making various changes, modifications, substitutions and alterations to these embodiments without departing from the principles and spirit of the present invention and without creative effort are within the scope of protection of the present invention.
Claims
1. A plastic pipe clamp injection mold, the plastic pipe clamp comprising a disc-shaped pipe clamp center seat (A1), two mirror-symmetrical pipe clamp jaws (A2) and their outer sides perpendicular to the front side of the pipe clamp center seat (A1) are fixedly connected, and a cross-shaped pipe clamp fixing main frame (A4) is provided on the rear side, and a plurality of main frame fixing plates (A5) perpendicular to and parallel to each other are provided on each side wall, and a frustum-shaped pipe clamp tail seat (A6) is provided at the tail end of the pipe clamp fixing main frame (A4); the entire plastic pipe clamp is mirror-shaped on the plane containing the two jaw reinforcing ribs (A3); characterized in that: The system includes a static injection mold (1) on the left and a moving injection mold (2) on the right. The static injection mold (1) includes a static mold panel (11) and a static mold base plate (12) arranged on the left and right sides. A rectangular groove with a left concave shape is provided at the center of the right side of the static mold base plate (12), and a static mold template (13) is embedded therein. The moving injection mold (2) includes a moving mold base plate (21) on the right side. Moving mold feet (22) are provided on the left side of the moving mold base plate (21) near the long sides on both sides. A moving mold base plate (23) is provided on the left side of the two moving mold feet (22). A rectangular groove with a right concave shape is provided on the left side of the moving mold base plate (23), and a moving mold template (24) is embedded therein. The static mold template (13) and the moving mold template (24) are arranged in a mirror symmetry, and multiple grooves that match the shape of the plastic pipe clamp are respectively provided at the joint surface. The grooves that match are arranged in a mirror symmetry with respect to the plane where the two claw reinforcing ribs (A3) of the plastic pipe clamp are located.
2. The plastic tube clamp injection mold of claim 1, wherein: The stationary mold panel (11) is connected to the fixed injection part of the injection molding machine, and the moving mold base plate (21) is fixedly connected to the movable injection part of the injection molding machine. A sprue sleeve (14) is provided on the left side of the stationary mold panel (11) and is connected to the injection outlet of the injection molding machine. An injection channel is provided at the center of the sprue sleeve (14) and passes through the stationary mold panel (11), the stationary mold base plate (12), and the stationary mold plate (13) in sequence, and is connected to the right side of the stationary mold plate (13). A groove flow channel is provided on the right side of the stationary mold plate (13) and is connected to multiple grooves. At the same time, the groove flow channel is connected to the injection channel.
3. The plastic tube clamp injection mold of claim 2, wherein: Between the two moving mold feet (22), there is a bottom pin plate (25) on the right and a face pin plate (26) of the same specification. The face pin plate (26) is provided with a plurality of ejector pins (27), and the ejector pins (27) penetrate the moving mold base plate (23) and the moving mold plate (24).
4. The plastic pipe clamp injection mold according to claim 3, characterized in that: Each of the four corners of the face needle plate (26) is provided with a demolding guide rod (28) and a reset spring (29) is sleeved thereon. The demolding guide rod (28) passes through the moving mold base plate (23) and can slide without obstruction. The reset spring (29) is placed between the moving mold base plate (23) and the face needle plate (26).
5. The plastic pipe clamp injection mold according to claim 4, characterized in that: The stationary mold base plate (12) is provided with stationary mold guide sleeves (15) at each of its four corners, and the moving mold base plate (23) is provided with moving mold guide rods (30) at each of its four corners, which correspond one-to-one with the four stationary mold guide sleeves (15) and are coaxial. The moving mold guide rods (30) can be inserted into the corresponding stationary mold guide sleeves (15).
6. The plastic pipe clamp injection mold according to claim 5, characterized in that: The static mold plate (13) and the moving mold plate (24) are respectively provided with circulating water channels (16) surrounding multiple injection molding grooves. The two sets of circulating water channels (16) are respectively provided with circulating water inlets and outlets on the sides of the corresponding static mold base plate (12) and the moving mold base plate (23) and are respectively connected to external circulating water.
7. The plastic pipe clamp injection mold according to claim 6, characterized in that: The base plate (21) is provided with a through hole, and a demolding top block (31) is provided in the hole. The demolding top block (31) is fixedly provided on the bottom surface of the base plate (25).