Tray blister mold

Abstract

The present application relates to blister technology field, especially to a kind of blister forming tray blister mold.For improving the demoulding efficiency of tray and production qualified rate, the present application proposes a kind of tray blister mold, it includes bottom plate and mold core, mold core is located on bottom plate, first side frame and second side frame on the rectangular frame around mold core are evenly provided with first demolding mechanism, third side frame and fourth side frame are evenly provided with second demolding mechanism;In first demolding mechanism and second demolding mechanism, flap is located at the top of rectangular frame and is connected with the connecting slide column in the connecting sliding hole on rectangular frame by connecting block, connecting block is connected with connecting slide column by connecting pin threaded in connecting through hole;When demoulding, the spacing between the flap in first demolding mechanism and the top of rectangular frame is greater than the spacing between the flap in second demolding mechanism and the top of rectangular frame.The tray blister mold of the present application is convenient and fast to demould, and has high demoulding efficiency and high production qualified rate.

Description

Technical Field

[0001] The invention relates to the technical field of blister packaging, in particular to a blister packaging mold for forming a tray by blister packaging. Background Art

[0002] At present, in the process of forming trays by blister molds, demoulding is mostly completed by hard demoulding, which has low demoulding efficiency and easily causes the outer edge of the tray formed by blister molds to be damaged during the demoulding process, affecting the production qualification rate of the trays formed by blister molds. Summary of the Invention

[0003] In order to improve the demoulding efficiency and production qualification rate of pallets, the present invention proposes a pallet plastic blister mold, which includes a base plate and a mold core. The mold core is located on the base plate. A rectangular convex frame is provided around the mold core. A first demoulding mechanism is provided on adjacent first and second side frames in the rectangular convex frame, and a second demoulding mechanism is provided on adjacent third and fourth side frames.

[0004] The first demoulding mechanism and the second demoulding mechanism include a flap, the flap being located on the top of the rectangular convex frame and connected to a connecting slide post located in a connecting slide hole on the rectangular convex frame via a connecting block, the connecting slide post being provided with a connecting through hole, and the connecting block being connected to the connecting slide post via a connecting pin passing through the connecting through hole;

[0005] During demoulding, the distance between the flap in the first demoulding mechanism and the top of the rectangular convex frame is greater than the distance between the flap in the second demoulding mechanism and the top of the rectangular convex frame.

[0006] When a pallet is formed by vacuum forming using the present invention's vacuum forming mold and then demolded, the first and second demolding mechanisms utilize the staggered flipping plates in the mold to push the pallet out of the mold. This facilitates rapid demolding and significantly improves demolding efficiency. Furthermore, after the pallet is formed by vacuum forming using the present invention's vacuum forming mold, damage to the pallet during demolding, which can occur with hard demolding, is avoided, thereby improving the pallet production yield.

[0007] Preferably, the connecting slide hole includes a slide hole and a step hole, the step hole is located between the slide hole and the top of the rectangular convex frame, and the inner diameter of the step hole is smaller than the inner diameter of the slide hole. In this way, the connecting slide hole can accommodate the connecting slide column and prevent the connecting slide column from protruding from the bottom plate, affecting the stability of the bottom plate of the tray blister mold of the present invention, and even affecting the blister. Furthermore, the depth of the slide hole in the connecting slide holes on the first side frame and the second side frame is greater than the depth of the slide hole in the connecting slide holes on the third side frame and the fourth side frame. In this way, when making the tray blister mold of the present invention, the first demoulding mechanism and the second demoulding mechanism can use connecting slide columns of the same specifications, which simplifies the manufacturing process of the tray blister mold of the present invention and reduces the manufacturing cost.

[0008] Preferably, the top of the rectangular convex frame is provided with a flap groove for mounting the flap, with both ends of the flap groove located near the connecting corner between two adjacent side frames within the rectangular convex frame. Thus, installing the flap in the flap groove at the top of the rectangular convex frame prevents the flap from protruding and affecting the structure of the blister-formed tray. Extending the flap as long as possible effectively increases the contact area between the flap and the blister-formed tray, thereby effectively reducing the force exerted by the flap on the blister-formed tray during demolding. This, in turn, reduces or even prevents damage to the tray during demolding, further improving the production yield of blister-formed trays. Furthermore, a latching protrusion is provided on the side of the flap facing the mold core. Thus, during demolding, the flap can be flipped by actuating the latching protrusion, making the demolding operation simple and convenient.

[0009] Preferably, the connecting block is provided with connecting ears at both ends, and the free ends of the connecting ears are configured as arc-shaped structures. This allows the connecting block to rotate smoothly when the flap is turned, facilitating demolding. Furthermore, the connecting block and the flap are connected by connecting bolts. This makes the connection between the connecting block and the flap simple and convenient.

[0010] Preferably, the flap is provided with a receiving groove for receiving the connecting block, so that after the connecting block is connected to the flap, the connecting block can be received in the receiving groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a structural diagram of the tray plastic blister mold of the present invention;

[0012] Figure 2 for Figure 1 AA cross-sectional structural diagram in;

[0013] Figure 3 for Figure 1 BB cross-sectional structure diagram in;

[0014] Figure 4 for Figure 1Schematic diagram of CC cross-sectional structure;

[0015] Figure 5 for Figure 1 DD cross-sectional structure diagram in. DETAILED DESCRIPTION

[0016] Next, combine Figure 1-5 The tray plastic blister mold of the present invention is described in detail.

[0017] like Figure 1-5As shown, the tray blister mold of the present invention includes a base plate 1 and a mold core 2. The mold core 2 is located on the base plate 1. A rectangular convex frame is provided around the mold core 2. The adjacent first side frame 11 and the second side frame 12 in the rectangular convex frame are both provided with a first demolding mechanism, and the adjacent third side frame 13 and the fourth side frame 14 are both provided with a second demolding mechanism. Among them, the first demolding mechanism includes a first flap 31, which is located at the top of the rectangular convex frame and is connected to a first connecting slide 33 located in a first connecting slide hole on the rectangular convex frame through a first connecting block 32. The first connecting slide 33 is provided with a first connecting through hole 331. The first connecting block 32 is connected to the first connecting slide 33 by a connecting pin (not shown in the figure) inserted into the first connecting through hole 331. The second demolding mechanism includes a second flap 41, which is located at the top of the rectangular convex frame and connected to a second connecting slide post 43 located in the second connecting slide hole on the third side frame 13 and the fourth side frame 14 of the rectangular convex frame via a second connecting block 42. The second connecting slide post 43 is provided with a second connecting through-hole 431. The second connecting block 42 is connected to the second connecting slide post 43 via a connecting pin (not shown) inserted into the second connecting through-hole 431. During demolding, the distance between the first flap 31 in the first demolding mechanism and the top of the rectangular convex frame is greater than the distance between the second flap 41 in the second demolding mechanism and the top of the rectangular convex frame. Preferably, in the rectangular convex frame, the first connecting sliding holes on the first and second side frames 11 and 12 include a first sliding hole 1011 and a first stepped hole (not shown). The first stepped hole is located between the first sliding hole 1011 and the top of the rectangular convex frame, and the inner diameter of the first stepped hole is smaller than the inner diameter of the first sliding hole 1011. The second connecting sliding holes on the third and fourth side frames 13 and 14 include a second sliding hole 1021 and a second stepped hole (not shown). The second stepped hole is located between the second sliding hole 1021 and the top of the rectangular convex frame, and the inner diameter of the second stepped hole is smaller than the inner diameter of the second sliding hole 1021. In this way, the connecting sliding holes can accommodate the connecting slide post and prevent it from protruding from the bottom plate, which would affect the stability of the bottom plate of the tray blister mold of the present invention and even affect the blister molding. Preferably, the depth of the first sliding hole 1011 in the first connecting sliding holes on the first and second side frames 11 and 12 is greater than the depth of the second sliding hole 1021 in the second connecting sliding holes on the third and fourth side frames 13 and 14. Thus, when manufacturing the present invention's tray blister mold, since the first and second demolding mechanisms have identical structures, only the lengths of the first flap 31 and second flap 41 need to differ depending on their installation locations. The first and second demolding mechanisms can utilize connecting slides of the same specifications, simplifying the present invention's tray blister mold manufacturing process and reducing production costs. Preferably, a first latching protrusion 311 is provided on the side of the first flap 31 facing the mold core 2, and a second latching protrusion 411 is provided on the side of the second flap 41 facing the mold core 2.In this way, demolding can be accomplished by flipping the flap with the protrusions, making demolding simple and convenient. Preferably, two first protrusions 311 are provided on the side of the first flap 31, and the two first protrusions 311 are located near the ends of the first flap 31; and two second protrusions 411 are provided on the side of the second flap 41, and the two second protrusions 411 are located near the ends of the second flap 41. This ensures that the forces acting on the flaps are balanced when the protrusions are flipped, preventing misalignment during the flipping process and affecting demolding. Preferably, a first receiving groove 312 is provided on the first flap 31 for accommodating the first connecting block 32; and a second receiving groove 412 is provided on the second flap 41 for accommodating the second connecting block 42. This allows the connecting block to be accommodated in the receiving grooves after it is connected to the flaps. Preferably, first connecting lugs 321 are provided at both ends of the first connecting block 32, with the free ends of these lugs 321 being arc-shaped. Second connecting lugs 421 are provided at both ends of the second connecting block 42, with the free ends of these lugs 421 being arc-shaped. This allows the connecting blocks to rotate smoothly when the flap is flipped, facilitating demolding. Preferably, both the first connecting block 32 and the first flap 31, as well as the second connecting block 42 and the second flap 41, are connected via connecting bolts (not shown), making the connections simple and convenient.

[0018] The top of the rectangular convex frame is provided with a flap groove 103 for mounting the flap in the demolding mechanism, with both ends of the flap groove 103 located near the connecting corners between two adjacent side frames of the rectangular convex frame. Thus, installing the flap in the flap groove 103 at the top of the rectangular convex frame prevents the flap from protruding and affecting the structure of the blister-formed tray. Extending the flap as long as possible effectively increases the contact area between the flap and the blister-formed tray, thereby effectively reducing the force exerted by the flap on the blister-formed tray during demolding. This, in turn, reduces or even prevents damage to the tray during demolding, further improving the production yield of blister-formed trays.

[0019] When a pallet is formed by vacuum forming using the present invention's vacuum forming mold and then demolded, the first and second demolding mechanisms utilize the staggered flipping plates in the mold to push the pallet out of the mold. This facilitates rapid demolding and significantly improves demolding efficiency. Furthermore, after the pallet is formed by vacuum forming using the present invention's vacuum forming mold, damage to the pallet during demolding, which can occur with hard demolding, is avoided, thereby improving the pallet production yield.

Claims

1. A tray blister mold, characterized in that: The tray blister mold includes a bottom plate and a mold core, wherein the mold core is located on the bottom plate and is surrounded by a rectangular convex frame. A first demoulding mechanism is provided on the adjacent first and second side frames in the rectangular convex frame, and a second demoulding mechanism is provided on the adjacent third and fourth side frames. The first demoulding mechanism and the second demoulding mechanism include a flap, the flap being located on the top of the rectangular convex frame and connected to a connecting slide post located in a connecting slide hole on the rectangular convex frame via a connecting block, the connecting slide post being provided with a connecting through hole, and the connecting block being connected to the connecting slide post via a connecting pin passing through the connecting through hole; During demoulding, the distance between the flap in the first demoulding mechanism and the top of the rectangular convex frame is greater than the distance between the flap in the second demoulding mechanism and the top of the rectangular convex frame.

2. The tray blister mold according to claim 1, characterized in that: The connecting sliding hole includes a sliding hole and a step hole. The step hole is located between the sliding hole and the top of the rectangular convex frame, and the inner diameter of the step hole is smaller than the inner diameter of the sliding hole.

3. The tray blister mold according to claim 2, characterized in that: The depth of the sliding holes in the connecting sliding holes on the first side frame and the second side frame is greater than the depth of the sliding holes in the connecting sliding holes on the third side frame and the fourth side frame.

4. The tray blister mold according to any one of claims 1 to 3, characterized in that: A flap groove for mounting the flap is provided on the top of the rectangular convex frame, and both ends of the flap groove are close to the connecting corner between two adjacent side frames in the rectangular convex frame.

5. The tray blister mold according to claim 4, characterized in that: A clamping protrusion is provided on the side of the flap facing the mold core.

6. The tray blister mold according to claim 4, characterized in that: Connecting ears are provided at both ends of the connecting block, and the free ends of the connecting ears are arranged in an arc-shaped structure.

7. The tray blister mold according to claim 6, characterized in that: The connecting block is connected to the flap via connecting bolts.

8. The tray blister mold according to claim 4, characterized in that: The flap is provided with an accommodating groove for accommodating the connecting block.

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