Safety lock mechanism of mould base

Abstract

The utility model relates to the technical field of foaming molds, in particular to a mold frame safety lock mechanism which comprises a lower mold, an upper mold, a first air cylinder, a safety lock air cylinder and a safety lock plate, the left side of the upper end of the lower mold is rotationally connected with the left side of the upper end of the upper mold, a first connecting seat is arranged on one side of the lower mold, and the upper mold is provided with a second connecting seat. The upper end of the first air cylinder is rotationally arranged on the second connecting base, the lower end of the first air cylinder is rotationally arranged on the first connecting base, the safety lock plate is fixed to the front end of the left side of the upper die, a lock hole is formed in the safety lock plate, the safety lock air cylinder is arranged at the left end of the lower die, and a first plug pin of the safety lock air cylinder is arranged in the lock hole. The upper die at the upper end of the lower die is opened through driving of the first air cylinder, the safety lock plate rotates along the upper die, the first plug pin of the safety lock air cylinder is driven to be inserted into the lock hole of the safety lock plate, and the situation that in the opening process of the die frame, workers operate a die closing switch by mistake or die frame faults cause accidental die closing, and production safety is harmed is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of foaming moulds, and particularly relates to a mould frame safety lock mechanism. Background Art

[0002] The mold designed and manufactured according to the foam part design and foam production process for producing foam parts is called a foam mold. In the past, there was no safety protection device after the foam mold test mold frame was opened, and there were safety hazards when the mold maintenance personnel repaired and maintained the mold on the production line. Therefore, in order to solve the shortcomings of the existing technology, a mold frame safety lock mechanism with a simple structure needs to be designed. Utility Model Content

[0003] The utility model provides a mold frame safety lock mechanism to solve the problems of the prior art.

[0004] The purpose of the utility model can be achieved through the following technical scheme: a mold frame safety lock mechanism includes: a lower mold, an upper mold, a cylinder 1, a safety lock cylinder and a safety lock plate, the left side of the upper end of the lower mold is rotatably connected to the left side of the upper end of the upper mold, one side of the lower mold is provided with a connecting seat 1, the upper mold is provided with a connecting seat 2, the upper end of the cylinder 1 is rotatably set on the connecting seat 2, the lower end of the cylinder is rotatably set on the connecting seat 1, the safety lock plate is fixed to the front end of the left side of the upper mold, a lock hole is set in the safety lock plate, the safety lock cylinder is set at the left end of the lower mold, and the pin 1 of the safety lock cylinder is set in the lock hole.

[0005] A further improvement is that a docking plate 1 is provided at the upper end of the lower mold, a docking plate 2 is provided at the lower end of the upper mold, a groove is provided in the middle of the docking plate 1, a plug plate plugged into the groove is provided in the middle of the docking plate 2, both the plug plate and the groove are provided with through holes, a limit cylinder is provided at the right end of the lower mold, and a pin 2 of the limit cylinder is arranged in the through hole.

[0006] As a further improvement, the docking plate 1, the docking plate 2 and the limit cylinder are symmetrically arranged in two groups.

[0007] As a further improvement, the cross section of the keyhole is in the shape of a racetrack.

[0008] Compared with the prior art, the mold frame safety lock mechanism of the utility model has the following beneficial effects:

[0009] The upper mold on the upper end of the lower mold is opened by driving cylinder 1, so that the safety lock plate rotates along the upper mold, and the pin 1 of the safety lock cylinder is driven to insert into the lock hole of the safety lock plate to prevent workers from misoperating the mold closing switch or mold frame failure during the opening process of the mold frame, resulting in accidental mold closing and endangering production safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 A schematic diagram of the closed structure of the utility model

[0011] Figure 2 Schematic diagram of the structure of the utility model

[0012] Figure 3 This is a structural diagram of a partially enlarged view of the utility model

[0013] In the figure, 1-lower die, 11-connecting seat 1, 12-docking plate 1, 13-groove, 2-upper die, 21-connecting seat 2, 22-docking plate 2, 23-plug plate, 3-cylinder 1, 4-safety lock cylinder, 41-latch pin 1, 5-safety lock plate, 51-lock hole, 6-through plug hole, 7-limit cylinder, 71-latch pin 2. DETAILED DESCRIPTION

[0014] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0015] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0016] The following is combined with the embodiments and attached Figures 1 to 3 , the technical solution of the utility model is further elaborated.

[0017] Example 1

[0018] A mold frame safety lock mechanism comprises: a lower mold 1, an upper mold 2, a cylinder 3, a safety lock cylinder 4 and a safety lock plate 5, wherein the left side of the upper end of the lower mold 1 is rotatably connected to the left side of the upper end of the upper mold 2, one side of the lower mold 1 is provided with a connecting seat 11, and the upper mold 2 is provided with a connecting seat 21, the upper end of the cylinder 3 is rotatably set on the connecting seat 21, and the lower end of the cylinder 3 is rotatably set on the connecting seat 11, the safety lock plate 5 is fixed to the front end of the left side of the upper mold 2, a lock hole 51 is provided in the safety lock plate 5, the safety lock cylinder 4 is set at the left end of the lower mold 1, and the pin 41 of the safety lock cylinder 4 is set in the lock hole 51.

[0019] like Figure 1 to Figure 3As shown, the working principle of the utility model is: the upper mold 2 at the upper end of the lower mold 1 is opened by driving the cylinder 3, so that the safety lock plate 5 rotates along the upper mold 2, and the latch 41 of the safety lock cylinder 4 is driven to be inserted into the lock hole 51 of the safety lock plate 5, so as to prevent the worker from misoperating the mold closing switch or the mold frame failure during the opening process of the mold frame, resulting in accidental mold closing and endangering production safety.

[0020] As a further preferred embodiment, the upper end of the lower mold 1 is provided with a docking plate 12, the lower end of the upper mold 2 is provided with a docking plate 22, the middle of the docking plate 12 is provided with a groove 13, the middle of the docking plate 22 is provided with a plug-in plate 23 plugged into the groove 13, the plug-in plate 23 and the groove 13 are both provided with a through-hole 6, and the right end of the lower mold 1 is provided with a limit cylinder 7, and the second plug-in pin 71 of the limit cylinder 7 is arranged in the through-hole 6. In the mold closing state, the plug-in plate 23 of the second docking plate 22 in the upper mold 2 is inserted into the groove 13 of the first docking plate 12 in the lower mold 1, and then the second plug-in pin 71 of the limit cylinder 7 is driven to be inserted into the through-hole 6 of the first docking plate 12 and the second docking plate 22, so as to realize the stable locking of the mold closing.

[0021] As a further preferred embodiment, the docking plate 1 12, the docking plate 2 22 and the limiting cylinder 7 are symmetrically arranged in two groups to improve the stability of mold locking.

[0022] As a further preferred embodiment, the cross-section of the lock hole 51 is runway-shaped, so that the latch pin 41 of the safety lock plate 5 can be inserted into the lock hole 51 of the safety lock plate 5 within a certain angle, thereby increasing the effectiveness of locking.

[0023] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A mold frame safety lock mechanism, characterized in that: include: A lower mold, an upper mold, a cylinder 1, a safety lock cylinder and a safety lock plate, wherein the left side of the upper end of the lower mold is rotatably connected to the left side of the upper end of the upper mold, a connecting seat 1 is provided on one side of the lower mold, and a connecting seat 2 is provided on the upper mold. The upper end of the cylinder 1 is rotatably set on the connecting seat 2, and the lower end of the cylinder is rotatably set on the connecting seat 1. The safety lock plate is fixed to the front end of the left side of the upper mold, a lock hole is provided in the safety lock plate, the safety lock cylinder is set at the left end of the lower mold, and a pin 1 of the safety lock cylinder is set in the lock hole.

2. A mold frame safety lock mechanism according to claim 1, characterized in that: A docking plate 1 is provided at the upper end of the lower mold, a docking plate 2 is provided at the lower end of the upper mold, a groove is provided in the middle of the docking plate 1, a plug-in plate plugged into the groove is provided in the middle of the docking plate 2, both the plug-in plate and the groove are provided with through holes, a limit cylinder is provided at the right end of the lower mold, and a pin 2 of the limit cylinder is arranged in the through hole.

3. A mold frame safety lock mechanism according to claim 2, characterized in that: The first butt joint plate, the second butt joint plate and the limit cylinder are symmetrically arranged in two groups.

4. A mold frame safety lock mechanism according to claim 1, characterized in that: The cross section of the keyhole is in the shape of a racetrack.

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