Plastic packaging box production forming mold

Abstract

The utility model relates to the technical field of precise rubber and plastic mold manufacturing, in particular to a plastic packaging box production forming mold which comprises a fixing frame, a base and two reset mechanisms, an upper mold mechanism is arranged on the inner top of the fixing frame, ejector rods are arranged on the two sides of the upper mold mechanism, and a lower mold is arranged in the middle of the base. The reset mechanism comprises a reset spring, a mounting block and two bolt rods, a threaded ring is welded to one end of the reset spring, a screw is arranged on the mounting block, the lower portion of the moving groove communicates with a spring groove, one side of the spring groove communicates with a mounting groove, a plurality of bolt blocks are arranged at an opening of the mounting groove and one end of the mounting block, and the threaded ring is in threaded connection with the screw. And the reset springs are located at the other ends of the mounting blocks and abut against the lower portions of the corresponding moving frames, the mounting blocks are slidably connected with the lower die, the mounting grooves are formed in the lower die, the reset springs are arranged to be of a detachable structure, and therefore the reset springs can be replaced conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of precision rubber and plastic mold manufacturing, in particular to a plastic packaging box production molding mold. Background Art

[0002] The plastic packaging box mold is mainly composed of a fixed mold base, a movable mold base, and a cylinder that cooperate with each other. The cylinder pushes the movable mold base to cooperate closely with the fixed mold base to form a plastic packaging box injection cavity, and injection molding is performed through the injection hole in the middle of the fixed mold base to form a plastic box. After cooling, due to the shrinkage of the plastic packaging box, the movable mold base generally uses a punch, and the plastic box will adhere to the movable mold base; the plastic packaging box after demoulding is then deburred to obtain a finished plastic packaging box. The currently commonly used plastic packaging box production molds have the following defects: it is not convenient for automatic demoulding, and the mold needs to be taken out manually. At the same time, the mold is easily damaged during the removal of the upper mold during the demoulding process, which affects the yield of the plastic packaging box.

[0003] The prior art patent CN217834555U discloses a plastic box production mold, comprising a base; a lower mold, the top of which is equipped with the lower mold, and the inner left and right sides of the lower mold are both equipped with movable frames that can slide up and down; a fixed frame, the fixed frame is fixedly connected to the top of the base, and the upper and lower sides of the top of the fixed frame are both equipped with electric telescopic rods; an upper mold, the upper mold is fixedly connected to the movable end of the electric telescopic rod, a cavity is provided inside the lower mold, and the lower mold and the upper mold cooperate to form a plastic box injection cavity, the inner left and right sides of the lower mold are both equipped with return springs that push the movable frame upward, and an ejection plate is fixedly connected to the inner side of the movable frame; the plastic box production mold is convenient for automatic demoulding and automatic removal of the mold, and at the same time, the mold is not easily damaged during the demoulding process when the upper mold is removed, thereby improving the yield of the plastic box.

[0004] However, in the above-mentioned prior art, since the reset spring is a consumable part, its elasticity will be weakened after long-term use, and the reset spring of the device is arranged in the lower mold, which makes it inconvenient to remove and replace the reset spring. Utility Model Content

[0005] The utility model aims to provide a plastic packaging box production molding die, aiming to solve the technical problems in the prior art that the return spring is a consumable part and its elasticity will be weakened after long-term use, and the return spring of the device is arranged in the lower mold, which makes it inconvenient to take out and replace the return spring.

[0006] To achieve the above-mentioned purpose, the utility model adopts a plastic packaging box production molding mold, including a fixed frame, a base and two reset mechanisms, an upper mold mechanism is arranged on the inner top of the fixed frame, both sides of the upper mold mechanism are provided with ejector rods, a lower mold is arranged in the middle of the base, the end face of the lower mold has a molding groove and two movable grooves, and the two movable grooves are located at the two ends of the molding groove, the lower part of the movable groove is connected with a movable groove, a movable frame is slidably arranged in the movable groove, an ejector plate is arranged between the two movable frames, the ejector plate is located in the molding groove, and one end of the movable frame passes through the molding groove, the fixed frame is fixedly connected to the base and is located above the base, the The reset mechanism includes a reset spring, a mounting block and two latch rods, a threaded ring is welded at one end of the reset spring, a screw rod is arranged on the mounting block, a spring groove is connected below the movable groove, a mounting groove is connected on one side of the spring groove, a plurality of latch blocks are arranged at the opening of the mounting groove and one end of the mounting block, the threaded ring is threadedly connected to the screw rod and is sleeved on the screw rod, the reset spring is located at the other end of the mounting block, abuts against the bottom of the corresponding movable frame, and is also located in the corresponding spring groove, the mounting block is slidably connected to the lower mold, and is located in the corresponding mounting groove, the two latch rods are respectively clamped with the corresponding latch blocks, and are located in the latch blocks.

[0007] Wherein, the reset mechanism further comprises a handle, which is fixedly connected to the mounting block and is located at one end of the mounting block and is also located between the plurality of latch blocks.

[0008] Wherein, the latch rod comprises a knob and a rod body, the knob is fixedly connected to the rod body and is located at one end of the rod body, and the rod body is clamped with the corresponding latch block and is located in the latch block.

[0009] Wherein, the plastic packaging box production and molding mold further includes a plurality of supporting mechanisms, and the plurality of supporting mechanisms are respectively fixedly connected to the base and are located below the base.

[0010] Wherein, the supporting mechanism includes an anti-skid pad and a supporting leg, the anti-skid pad is fixedly connected to the supporting leg and is located below the supporting leg, and the supporting leg is fixedly connected to the base and is located below the base.

[0011] Wherein, the fixed frame includes a fixed plate and two support plates, the fixed plate is fixedly connected to the corresponding support plates and is located above the two support plates, the base is fixedly connected to the corresponding support plates and is located below the support plates, and the upper mold mechanism is arranged on the inner top of the fixed plate.

[0012] Among them, the upper mold mechanism includes an upper mold body and two electric telescopic rods, the upper mold body has an injection hole, the upper mold body is fixedly connected to the corresponding electric telescopic rods and is located at the output ends of the two electric telescopic rods, the two push rods are respectively fixedly connected to the upper mold body and are located on both sides of the upper mold body, and the two electric telescopic rods are respectively fixedly connected to the fixed plate and are located at the inner top of the fixed plate.

[0013] The utility model discloses a plastic packaging box production forming mold, comprising a fixing frame, a base and two reset mechanisms, wherein an upper mold mechanism is arranged on the inner top of the fixing frame, push rods are arranged on both sides of the upper mold mechanism, a lower mold is arranged in the middle of the base, the reset mechanism comprises a reset spring, a mounting block and two latch rods, a threaded ring is welded on one end of the reset spring, a screw rod is arranged on the mounting block, a spring groove is connected below the movable groove, a mounting groove is connected on one side of the spring groove, a plurality of latch blocks are arranged at the opening of the mounting groove and one end of the mounting block, the threaded ring is threadedly connected with the screw rod, the reset spring is located at the other end of the mounting block and abuts against the corresponding lower side of the movable frame, the mounting block is slidably connected with the lower mold, the two latch rods are respectively clamped with the corresponding latch blocks, and the reset spring is conveniently replaced by providing the mounting groove in the lower mold and arranging the reset spring into a detachable structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a side view of the first embodiment of the utility model.

[0016] Figure 2 The utility model Figure 1 Section view along line AA.

[0017] Figure 3 The utility model Figure 2 Cross-sectional view along line BB.

[0018] Figure 4 The utility model Figure 3 A partial enlarged view of point C in the middle.

[0019] Figure 5It is a three-dimensional stereogram of the second embodiment of the utility model.

[0020] 101-fixed frame, 102-base, 103-upper mold mechanism, 104-elevator, 105-lower mold, 106-movable groove, 107-molding groove, 108-movable groove, 109-movable frame, 110-ejector plate, 111-reset spring, 112-mounting block, 113-threaded ring, 114-screw, 115-spring groove, 116-mounting groove, 117-latch block, 118-handle, 119-knob, 120-rod body, 201-anti-slip pad, 202-support leg, 203-fixed plate, 204-support plate, 205-upper mold body, 206-electric telescopic rod, 207-injection hole. DETAILED DESCRIPTION

[0021] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0022] First embodiment:

[0023] See also Figure 1 to Figure 4 ,in Figure 1 is a side view of the first embodiment of the utility model, Figure 2 The utility model Figure 1 The cross-sectional view along the AA line. Figure 3 The utility model Figure 2 The cross-sectional view of the BB line. Figure 4 The utility model Figure 3 A partial enlarged view of point C in the middle.

[0024] The utility model provides a plastic packaging box production molding die, including a fixing frame 101, a base 102 and two reset mechanisms, the reset mechanism including a reset spring 111, a mounting block 112, two latch rods and a handle 118, the latch rod including a knob 119 and a rod body 120, the above-mentioned scheme solves the problem that the reset spring 111 is a consumable part and its elasticity will be weakened after long-term use, and the reset spring 111 of the device is arranged in the lower mold 105, so it is not convenient to take out and replace the reset spring 111. It can be understood that the above-mentioned scheme can be used in the scene of spring disassembly and assembly, and can also be used to solve the problem that the spring is inconvenient to replace.

[0025] According to the present specific embodiment, an upper mold mechanism 103 is provided at the inner top of the fixed frame 101, and ejector rods 104 are provided on both sides of the upper mold mechanism 103. A lower mold 105 is provided at the middle of the base 102. The end surface of the lower mold 105 has a molding groove 107 and two movable grooves 106, and the two movable grooves 106 are located at both ends of the molding groove 107. A movable groove 108 is connected below the movable groove 106. A movable frame 109 is slidably provided in the movable groove 108. An ejector plate 110 is provided between the two movable frames 109. The ejector plate 110 is located in the molding groove 107, and the movable groove 106 is provided at the bottom of the movable groove 108. One end of the frame 109 passes through the molding groove 107, and the fixed frame 101 is fixedly connected to the base 102 and is located above the base 102. The upper mold mechanism 103 moves downward so that the upper mold mechanism 103 and the lower mold 105 are tightly fitted, and an injection cavity is formed between the upper mold mechanism 103 and the lower mold 105. At the same time, the movable frame 109 is squeezed by the ejector rod 104 so that the movable frame 109 drives the ejection plate 110 to move downward, so that the ejection plate 110 and the inner surface of the lower mold 105 are tightly fitted, and finally the injection cavity is injection molded to form a plastic box.

[0026] Among them, a threaded ring 113 is welded to one end of the return spring 111, a screw rod 114 is arranged on the mounting block 112, a spring groove 115 is connected to the lower part of the movable groove 106, and a mounting groove 116 is connected to one side of the spring groove 115. A plurality of latch blocks 117 are arranged at the opening of the mounting groove 116 and at one end of the mounting block 112. The threaded ring 113 is threadedly connected to the screw rod 114 and is sleeved on the screw rod 114. The return spring 111 is located at the other end of the mounting block 112 and is held against the lower part of the corresponding movable frame 109, and is also located at the corresponding spring The mounting block 112 is slidably connected to the lower mold 105 in the groove 115 and is located in the corresponding mounting groove 116. The two latch rods are respectively engaged with the corresponding latch blocks 117 and are located in the latch blocks 117. The movable frame 109 can be easily reset by the reset spring 111, so as to push up the ejection plate 110, and then the molded plastic box can be ejected from the molding groove 107. The latch rod can easily limit the displacement of the mounting block 112. The threaded ring 113 is threadedly connected to the screw rod 114, which can facilitate the quick disassembly and assembly of the reset spring 111.

[0027] Secondly, the handle 118 is fixedly connected to the mounting block 112 and is located at one end of the mounting block 112 and is also located between the plurality of latch blocks 117 . The mounting block 112 can be easily pulled by the handle 118 .

[0028] Again, the knob 119 is fixedly connected to the rod body 120 and is located at one end of the rod body 120. The rod body 120 is engaged with the corresponding latch block 117 and is located inside the latch block 117. The knob 119 can facilitate the movement of the rod body 120 and at the same time limit the movement of the rod body 120.

[0029] When the utility model is used to replace the return spring 111, the two latch rods are removed from the corresponding latch blocks 117, and then the mounting block 112 is pulled to move the mounting block 112 out of the mounting slot 116. At this time, the damaged return spring 111 is removed from the screw rod 114, and a new return spring 111 is installed on the screw rod 114. The mounting block 112 is then placed in the mounting slot 116, and the return spring 111 is abutted against the bottom of the movable frame 109. Finally, the latch rod is clamped with the corresponding latch block 117 to fix the mounting block 112, thereby completing the replacement of the return spring 111. In this way, the problem that the return spring 111 is a consumable part and its elasticity will be weakened after long-term use is solved, and the return spring 111 of the device is arranged in the lower mold 105, which makes it inconvenient to take out and replace the return spring 111.

[0030] The second embodiment is:

[0031] Based on the first embodiment, please refer to Figure 5 ,in Figure 5 It is a three-dimensional stereogram of the second embodiment of the utility model.

[0032] The utility model provides a plastic packaging box production molding die, which also includes multiple supporting mechanisms. The supporting mechanism includes an anti-slip pad 201 and a supporting leg 202. The fixing frame 101 includes a fixing plate 203 and two supporting plates 204. The upper mold mechanism 103 includes an upper mold body 205 and two electric telescopic rods 206.

[0033] According to this specific embodiment, the plurality of support mechanisms are respectively fixedly connected to the base 102 and are located below the base 102. The base 102 can be easily supported by the support mechanisms so that the base 102 does not directly contact the ground, thereby facilitating the movement of the device.

[0034] The anti-skid pad 201 is fixedly connected to the supporting leg 202 and is located below the supporting leg 202. The supporting leg 202 is fixedly connected to the base 102 and is located below the base 102. The anti-skid pad 201 can prevent the supporting leg 202 from slipping.

[0035] Among them, the fixed plate 203 is fixedly connected to the corresponding support plate 204 and is located above the two support plates 204. The base 102 is fixedly connected to the corresponding support plate 204 and is located below the support plate 204. The upper mold mechanism 103 is arranged on the inner top of the fixed plate 203. The support plate 204 can be used to support the fixed plate 203, thereby facilitating the operation of the upper mold mechanism 103.

[0036] Among them, the upper mold body 205 has an injection hole 207, the upper mold body 205 is fixedly connected to the corresponding electric telescopic rod 206, and is located at the output end of the two electric telescopic rods 206, the two push rods 104 are respectively fixedly connected to the upper mold body 205, and are located on both sides of the upper mold body 205, the two electric telescopic rods 206 are respectively fixedly connected to the fixed plate 203, and are located at the inner top of the fixed plate 203, and the upper mold body 205 can be easily adjusted through the electric telescopic rod 206 to complete the molding operation.

[0037] A plastic packaging box production molding mold is used using the present embodiment. The base 102 can be supported by the support mechanism, so that the base 102 does not directly contact the ground, thereby facilitating the movement of the device. The anti-slip pad 201 can prevent the support leg 202 from slipping. The support plate 204 can support the fixed plate 203, thereby facilitating the operation of the upper mold mechanism 103. The electric telescopic rod 206 can facilitate the adjustment of the upper mold body 205, thereby completing the molding operation.

[0038] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A plastic packaging box production molding die, comprising a fixed frame and a base, an upper mold mechanism is arranged on the inner top of the fixed frame, both sides of the upper mold mechanism are provided with ejector rods, a lower mold is arranged in the middle of the base, the end surface of the lower mold has a molding groove and two movable grooves, and the two movable grooves are located at the two ends of the molding groove, the lower part of the movable groove is connected with a movable groove, a movable frame is slidably arranged in the movable groove, an ejector plate is arranged between the two movable frames, the ejector plate is located in the molding groove, and one end of the movable frame passes through the molding groove, the fixed frame is fixedly connected to the base and is located above the base, characterized in that Also included are two reset mechanisms; The reset mechanism includes a reset spring, a mounting block and two latch rods, a threaded ring is welded at one end of the reset spring, a screw rod is arranged on the mounting block, a spring groove is connected below the movable groove, a mounting groove is connected on one side of the spring groove, a plurality of latch blocks are arranged at the opening of the mounting groove and one end of the mounting block, the threaded ring is threadedly connected to the screw rod and sleeved on the screw rod, the reset spring is located at the other end of the mounting block, abuts against the corresponding movable frame below, and is also located in the corresponding spring groove, the mounting block is slidably connected to the lower mold, and is located in the corresponding mounting groove, the two latch rods are respectively engaged with the corresponding latch blocks, and are located in the latch blocks.

2. The plastic packaging box production molding die according to claim 1, characterized in that: The reset mechanism also includes a handle, which is fixedly connected to the mounting block and is located at one end of the mounting block and is also located between the plurality of latch blocks.

3. The plastic packaging box production molding die according to claim 2, characterized in that: The latch rod comprises a knob and a rod body, wherein the knob is fixedly connected to the rod body and is located at one end of the rod body, and the rod body is clamped with the corresponding latch block and is located in the latch block.

4. The plastic packaging box production molding die according to claim 3, characterized in that: The plastic packaging box production and molding mold further comprises a plurality of supporting mechanisms, and the plurality of supporting mechanisms are respectively fixedly connected to the base and are located below the base.

5. The plastic packaging box production molding die according to claim 4, characterized in that: The support mechanism comprises an anti-skid pad and a support leg, wherein the anti-skid pad is fixedly connected to the support leg and is located below the support leg, and the support leg is fixedly connected to the base and is located below the base.

6. The plastic packaging box production molding die according to claim 5, characterized in that: The fixing frame includes a fixing plate and two supporting plates, wherein the fixing plate is fixedly connected to the corresponding supporting plates and is located above the two supporting plates, the base is fixedly connected to the corresponding supporting plates and is located below the supporting plates, and the upper mold mechanism is arranged on the inner top of the fixing plate.

7. The plastic packaging box production molding die according to claim 6, characterized in that: The upper mold mechanism includes an upper mold body and two electric telescopic rods. The upper mold body is provided with an injection hole. The upper mold body is fixedly connected to the corresponding electric telescopic rods and is located at the output ends of the two electric telescopic rods. The two ejector rods are respectively fixedly connected to the upper mold body and are located on both sides of the upper mold body. The two electric telescopic rods are respectively fixedly connected to the fixed plate and are located at the inner top of the fixed plate.

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