Secondary forming die for rubber-plastic composite part

Abstract

The utility model relates to a secondary forming mold for a rubber-plastic composite part, and relates to the field of rubber-plastic composite part molds, the secondary forming mold comprises an upper mold plate, a lower mold plate, a middle glue sealing block and an end glue sealing block, the upper mold plate covers the lower mold plate, a first containing groove is formed in the upper mold plate, a second containing groove is formed in the lower mold plate, and the middle glue sealing block covers the end glue sealing block; the first containing groove and the second containing groove are spliced to form a closed space used for containing a workpiece, the middle glue sealing block and the end glue sealing block are connected with the two ends of the workpiece respectively and enable the workpiece to be arranged in the first containing groove in a suspended mode, and a glue dividing groove is formed in the lower die plate, formed in the end face of the lower die plate and communicated with the outer side wall of the lower die plate. The device has the effect of improving the production efficiency of the rubber-plastic composite part.

Description

TECHNICAL FIELD

[0001] The application relates to the field of rubber-plastic composite part molds, in particular to a secondary forming mold for rubber-plastic composite parts. BACKGROUND

[0002] The rubber-plastic composite part is a processing technology of setting a rubber coating on the surface of a plastic workpiece and solidifying the rubber to form a skin. The plastic workpiece is light in texture, and the rubber layer set on the surface of the plastic workpiece can increase the elasticity and wear resistance of the workpiece surface, so that the workpiece has a better service life.

[0003] The existing rubber-plastic composite part is produced by a mold. The mold comprises an upper mold plate and a lower mold plate. The upper mold plate and the lower mold plate are both provided with accommodating grooves. The workpiece is placed in the accommodating grooves. The upper mold plate is arranged on the lower mold plate and abuts against each other. The upper mold plate is provided with a glue injection hole. Liquid rubber flows into the accommodating grooves through the glue injection hole, so that the liquid rubber fills the accommodating holes and wraps the workpiece. After the rubber solidifies, a rubber layer is formed on the surface of the workpiece, achieving the effect of producing the rubber-plastic composite part.

[0004] The related technical solutions in the above have the following defects: when liquid rubber is injected into the mold, the liquid rubber flows in the accommodating grooves and is easy to leak between the upper mold plate and the lower mold plate, so that the processing quality of the solidified workpiece is poor, and the workpiece needs to be repaired, thereby causing low processing efficiency. CONTENT OF THE UTILITY MODEL

[0005] In order to improve the production efficiency of the rubber-plastic composite part, the application provides a secondary forming mold for rubber-plastic composite parts.

[0006] The secondary forming mold for rubber-plastic composite parts provided by the application adopts the following technical solutions:

[0007] The secondary forming mold for rubber-plastic composite parts comprises an upper mold plate, a lower mold plate, a middle glue sealing block and an end glue sealing block. The upper mold plate is arranged on the lower mold plate. The upper mold plate is provided with an accommodating groove one. The lower mold plate is provided with an accommodating groove two. The accommodating groove one and the accommodating groove two are combined to form a closed space for placing the workpiece. The middle glue sealing block and the end glue sealing block are respectively connected to the two ends of the workpiece and make the workpiece be suspended in the accommodating groove one. The lower mold plate is provided with a glue distribution groove. The glue distribution groove is arranged on the end face of the lower mold plate and is communicated with the outer side wall of the lower mold plate.

[0008] By adopting the technical scheme, the middle glue sealing block and the end glue sealing block are arranged between the upper die plate and the lower die plate, the middle glue sealing block and the end glue sealing block can fix the end of the workpiece, the workpiece can be fixed in the accommodating groove one and the accommodating groove two, there is a gap between the workpiece and the accommodating groove one, the liquid rubber can uniformly wrap the workpiece, the glue groove is arranged on the lower die plate, the rubber in the accommodating groove two can flow into the glue groove, thereby reducing the probability of residual air in the accommodating groove one and the accommodating groove two, the rubber can completely wrap the workpiece and form a uniform rubber layer, when the rubber flows between the upper die plate and the lower die plate, the rubber can flow along the glue groove, thereby facilitating the user to cut the rubber at the glue groove, the processing and shaping efficiency is high, and the production efficiency is improved.

[0009] Optionally, the accommodating groove one is arranged in multiple numbers, two rows of the accommodating groove one are arranged, and each row of the accommodating groove one is arranged at equal intervals in a straight line direction.

[0010] By adopting the technical scheme, the multiple accommodating grooves one are arranged on the upper die plate, the upper die plate can place multiple workpieces, thereby improving the processing efficiency, and the multiple workpieces can be plastic wrapping processed.

[0011] Optionally, the middle glue sealing block is arranged between the two rows of the accommodating groove one, the upper die plate and the lower die plate jointly clamp the middle glue sealing block, multiple insertion holes are arranged on the two sides of the middle glue sealing block, and the insertion holes are used for inserting the end of the workpiece.

[0012] By adopting the technical scheme, the two rows of the insertion holes are arranged on the middle glue sealing block, the multiple workpieces can be inserted into the insertion holes, and the multiple workpieces can be kept suspended in the accommodating groove one, thereby facilitating the use, the two ends of the middle glue sealing block protrude out of the upper die plate and the lower die plate, the user can conveniently and quickly take out the workpiece from the accommodating groove by lifting the end of the middle glue sealing block.

[0013] Optionally, the end glue sealing block is detachably connected to the upper die plate or the lower die plate, the end glue sealing block is arranged with a placing hole, and the end glue sealing block is used for clamping the workpiece.

[0014] By adopting the technical scheme, the end glue sealing block is detachably connected to the upper die plate and the lower die plate, the two end glue sealing blocks jointly clamp the end of the workpiece, the workpiece is kept in a suspended state in the accommodating groove one and the accommodating groove two, the user can install the end glue sealing block of different shapes on the upper die plate and the lower die plate, and the workpiece of different shapes can be installed in the upper die plate and the lower die plate.

[0015] Optionally, the upper die plate is arranged with multiple glue injection holes, and the glue injection holes are used for injecting the rubber.

[0016] By adopting the technical scheme, the injection equipment can inject rubber between the upper die plate and the lower die plate through the glue injection holes, so that the rubber enters between the accommodation groove one and the accommodation groove two and wraps the workpiece.

[0017] Optionally, a glue injection groove is formed on the side surface of the upper die plate away from the lower die plate, and the glue injection groove is communicated with the plurality of glue injection holes.

[0018] By adopting the technical scheme, the glue injection groove is communicated with the plurality of glue injection holes by being formed on the upper die plate, and the user moves the injection equipment above the glue injection groove, so that the liquid rubber enters the plurality of glue injection holes through the glue injection groove, thereby reducing the process of moving the injection equipment and injecting glue into the plurality of glue injection holes, and improving the work efficiency.

[0019] Optionally, a plurality of communication grooves are formed on the lower die plate, the communication grooves are communicated with two adjacent accommodation grooves two, and the positions of the communication grooves correspond to the positions of the glue injection holes.

[0020] By adopting the technical scheme, the communication grooves are communicated with the two adjacent accommodation grooves two by being formed on the lower die plate, and when the liquid rubber enters between the upper die plate and the lower die plate through the glue injection holes, the liquid rubber can flow into the two accommodation grooves two through the communication grooves, thereby further improving the glue injection efficiency.

[0021] Optionally, a plurality of accommodation grooves are formed on the lower die plate, and the accommodation grooves are formed at the edges of the lower die plate, and when the upper die plate and the lower die plate abut, there is a gap between the upper die plate and the lower die plate at the accommodation grooves.

[0022] By adopting the technical scheme, when the upper die plate and the lower die plate are attached to each other, the user can lift or pry the upper die plate through the accommodation grooves, thereby facilitating the disconnection of the upper die plate and the lower die plate.

[0023] In summary, the beneficial technical effects of the present application are:

[0024] 1. By arranging the middle glue sealing block and the end glue sealing block between the upper die plate and the lower die plate, the middle glue sealing block and the end glue sealing block can fix the end of the workpiece, so that the workpiece can be fixed in the accommodation groove one and the accommodation groove two, there is a gap between the workpiece and the accommodation groove one, and the liquid rubber can uniformly wrap the workpiece. By forming the glue distribution groove on the lower die plate, the rubber in the accommodation groove two can flow into the glue distribution groove, thereby reducing the probability of residual air in the accommodation groove one and the accommodation groove two, so that the rubber can completely wrap the workpiece and form a uniform rubber layer. When the rubber flows between the upper die plate and the lower die plate, the rubber can flow along the glue distribution groove, thereby facilitating the user to cut off the rubber at the glue distribution groove, improving the processing and shaping efficiency, and improving the production efficiency.

[0025] 2. By opening two rows of insertion holes on the middle sealing rubber block, multiple workpieces can be inserted into the insertion holes, and then multiple workpieces can be kept suspended in the accommodating groove one, which is convenient to use. The two end portions of the middle sealing rubber block extend out of the upper die plate and the lower die plate. The user can conveniently and quickly take out the workpiece from the accommodating groove by lifting the end portion of the middle sealing rubber block;

[0026] 3. By opening the glue inlet groove on the upper die plate, the glue inlet groove is communicated with the plurality of glue inlet holes. The user moves the glue injection equipment above the glue inlet groove, so that the liquid rubber enters the plurality of glue inlet holes through the glue inlet groove, thereby reducing the process of moving the glue injection equipment and injecting glue into the plurality of glue inlet holes, and improving the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is the overall structure schematic diagram of the embodiment of the application.

[0028] Figure 2 is the structure schematic diagram of the lower die plate of the embodiment of the application.

[0029] Figure 3 is the structure schematic diagram of the upper die plate of the embodiment of the application.

[0030] Reference signs: 1, upper die plate; 11, accommodating groove one; 12, glue inlet groove; 13, glue inlet hole; 14, mounting groove one; 2, lower die plate; 21, accommodating groove two; 22, communication groove; 23, glue distribution groove; 25, mounting groove two; 26, accommodation groove; 3, middle sealing rubber block; 31, insertion hole; 4, end sealing rubber block; 41, placing hole. DETAILED DESCRIPTION

[0031] The application will be further described in detail below with reference to the accompanying drawings.

[0032] The embodiment of the application discloses a secondary forming mold for rubber-plastic composite parts, referring to Figure 1 , Figure 2 and Figure 3The utility model relates to a mould for injection moulding rubber, including upper mould plate 1, lower mould plate 2, middle part glue block 3 and end part glue block 4, upper mould plate 1 and lower mould plate 2 are horizontally arranged, upper mould plate 1 is covered and is established on lower mould plate 2, a plurality of containing groove no. 1 11 are seted up on upper mould plate 1, and containing groove no. 1 11 are used to place workpiece, a plurality of containing groove no. 2 21 are seted up on lower mould plate 2, when upper mould plate 1 and lower mould plate 2 abut, containing groove no. 1 11 and containing groove no. 2 21 are spliced and are used to place workpiece's closed space. Middle part glue block 3 is arranged between upper mould plate 1 and lower mould plate 2, and middle part glue block 3 is connected with workpiece one end, and end part glue block 4 is arranged between upper mould plate 1 and lower mould plate 2, and end part glue block 4 is arranged on workpiece and is away from middle part glue block 3 one end, when workpiece surface injection rubber, rubber is wrapped workpiece, by setting up middle part glue block 3 and end part glue block 4, can reduce liquid rubber from workpiece end flow to between upper mould plate 1 and lower mould plate 2 and the probability of leakage, thereby when upper mould plate 1 is removed from lower mould plate 2, the plastic effect of workpiece surface is better, and rubber leakage is less.

[0033] Referring to Figure 3 A plurality of containing groove no. 1 11 are seted up on upper mould plate 1, and the plurality of containing groove no. 1 11 are arranged along two rows, and the plurality of containing groove no. 1 11 of each row is equidistantly spaced along the linear direction. A plurality of containing groove no. 2 21 are seted up on lower mould plate 2, and the position of containing groove no. 2 21 corresponds to the position of containing groove no. 1 11 one by one. Middle part glue block 3 is arranged between the two rows of containing groove no. 1 11, and a recess is formed in the middle of upper mould plate 1 and lower mould plate 2, and middle part glue block 3 is arranged in the recess, and upper mould plate 1 and lower mould plate 2 can clamp middle part glue block 3 and are fixedly connected with each other by bolts. A plurality of insertion holes 31 are formed on both sides of middle part glue block 3 in the width direction, and the end of the workpiece in each containing groove no. 1 11 can be inserted into one of the insertion holes 31. When the liquid rubber is wrapped around the surface of the workpiece and formed, the middle part glue block 3 is used to block the flow of rubber, thereby reducing the probability of rubber flowing between the upper mould plate 1 and the lower mould plate 2 and leaking.

[0034] Referring to Figure 3 The end part glue block 4 is arranged as a plurality of blocks, and two end part glue blocks 4 jointly clamp the end of the workpiece. A placement hole 41 is formed on the end part glue block 4, and the end of the workpiece is arranged in the placement hole 41. An installation groove no. 1 14 is formed on the upper mould plate 1, and an installation groove no. 2 25 is formed on the lower mould plate 2. The end part glue block 4 can be detachably connected in the installation groove no. 1 14 and the installation groove no. 2 25. The end part glue block 4 is fixed on the upper mould plate 1 and the lower mould plate 2 by bolts. The user can replace the middle part glue block 3 and the end part glue block 4, so that workpieces of different shapes can be placed between the upper mould plate 1 and the lower mould plate 2, facilitating use.

[0035] Referring to Figure 1The upper die plate 1 is provided with a glue inlet groove 12, which is arranged on the side surface of the upper die plate 1 away from the lower die plate 2. The upper die plate 1 is provided with a plurality of glue inlet holes 13, which penetrate the upper die plate 1. The glue inlet groove 12 is communicated with the plurality of glue inlet holes 13. The user installs the upper die plate 1 on the lower die plate 2, and injects rubber into the glue inlet groove 12 through the glue injection equipment. The rubber can flow in the glue inlet groove 12 and uniformly flow into the plurality of glue inlet holes 13, so that the rubber can flow between the upper die plate 1 and the lower die plate 2, achieving the effect of plastic wrapping of the workpiece.

[0036] Referring to Figure 2 The lower die plate 2 is provided with a plurality of communication grooves 22, which connect adjacent two accommodating grooves 21. When the liquid rubber enters the accommodating groove one 11 and the accommodating groove two 21, the liquid rubber automatically flows into the adjacent accommodating groove one 11 through the communication groove 22, thereby achieving the effect of plastic wrapping of the plurality of workpieces.

[0037] Referring to Figure 2 The lower die plate 2 is provided with a plurality of glue distribution grooves 23, which are arranged along the length direction and the width direction of the workpiece. The glue distribution grooves 23 are used to communicate adjacent accommodating grooves two 21, so that the effect of wrapping the workpiece by the liquid rubber is better, and the rubber thickness of the workpiece at different positions on the workpiece is uniform and controllable. The glue distribution grooves 23 are communicated with the side wall of the lower die plate 2 and the accommodating groove two 21. When the rubber injected between the upper die plate 1 and the lower die plate 2 is too much, the rubber can flow to the edge of the lower die plate 2 through the glue distribution grooves 23, so that the rubber between the upper die plate 1 and the lower die plate 2 can be discharged, the air pressure between the upper die plate 1 and the lower die plate 2 is reduced, and the processing quality of the rubber after solidification on the workpiece is higher.

[0038] Referring to Figure 2 The edge of the lower die plate 2 is provided with a plurality of accommodation grooves 26. When the upper die plate 1 and the lower die plate 2 are connected with each other, there is a gap between the upper die plate 1 and the lower die plate 2 at the accommodation grooves 26. The user can lift the upper die plate 1 through the accommodation grooves 26, which facilitates the user to remove the upper die plate 1 and take out the processed workpiece.

[0039] The implementation principle of the embodiment of the present application is that the middle glue sealing block 3 and the end glue sealing block 4 are arranged between the upper die plate 1 and the lower die plate 2, so that the plurality of workpieces can be inserted into the same middle glue sealing block 3. The end glue sealing block 4 is installed on the upper die plate 1 and the lower die plate 2 and clamps the end of the workpiece. When the surface of the workpiece is covered with liquid rubber, the probability of the liquid rubber flowing along the end of the workpiece and overflowing from between the upper die plate 1 and the lower die plate 2 can be reduced, and the processing quality can be improved.

[0040] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application. Therefore, any equivalent changes made on the basis of the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A secondary molding mold for a rubber-plastic composite member, characterized by: The utility model relates to a rubber injection mold, including upper die plate (1), lower die plate (2), middle part glue block (3) and end part glue block (4), upper die plate (1) cover sets up on lower die plate (2), is set up with accommodating groove no.

2. The overmolding mold for a rubber-plastic composite according to claim 1, characterized by: The accommodating groove no.

3. The overmolding mold for a rubber-plastic composite according to claim 2, characterized in that: The middle part glue block (3) is set up between two rows of accommodating groove no.

4. The overmolding mold for a rubber-plastic composite according to claim 3, characterized in that: The end part glue block (4) can be detachably connected on the upper die plate (1) or lower die plate (2), and the end part glue block (4) is provided with a placing hole (41) on the end part glue block (4).

5. The overmolding mold for a rubber-plastic composite part according to claim 4, characterized in that: The upper die plate (1) is provided with a plurality of glue injection holes (13) on the upper die plate (1).

6. The overmolding mold for a rubber-plastic composite part according to claim 5, characterized in that: The upper die plate (1) is provided with a glue injection groove (12) on the surface of the upper die plate (1) away from the lower die plate (2).

7. The overmolding mold for a rubber-plastic composite part according to claim 6, characterized in that: The lower die plate (2) is provided with a plurality of communication grooves (22) on the lower die plate (2).

8. The overmolding mold for rubber-plastic composite parts according to claim 1, characterized in that: The lower die plate (2) is provided with a plurality of gap grooves (26) on the lower die plate (2), and when the upper die plate (1) and the lower die plate (2) abut, there is a gap between the upper die plate (1) and the lower die plate (2) at the gap grooves (26).

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