A plastic mold lever clamping mechanism

Abstract

The utility model discloses a lever locking mechanism for a plastic mold, belonging to the technical field of molds, comprising a fixed mold, a movable mold is arranged on the upper side of the fixed mold, a bottom plate is arranged on the lower sides of both ends of the fixed mold, a support seat is arranged on the upper end of the bottom plate, a motor one is arranged at the front end of the support seat, a locking plate is arranged on the upper side of the support seat, a pressure sensor is arranged on one side of the locking plate, an infrared sensor is arranged on one side of the pressure sensor, and the locking plate and the motor one are connected through a tensioning component. The utility model sets a tensioning component, and after the locking plate reaches the upper side of the movable mold, the motor two is turned on, the motor two drives the screw rod to rotate in the fixed frame, the rotation of the screw rod drives the slide plate to move, and the movement of the slide plate drives the locking plate to move downward through the connecting rod, so that the lower end of the locking plate is pressed against the upper end of the movable mold, so as to achieve a locking effect between the movable mold and the fixed mold, and the locking plate can be pressed against the movable mold by setting the tensioning component, so as to improve the locking effect of the locking plate on the movable mold and the fixed mold.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds, and in particular relates to a lever mold locking mechanism for a plastic mold. Background Art

[0002] Molds are various molds and tools used in industrial production to obtain the desired products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping and other methods. In short, molds are tools used to make molded objects. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the shape of the object by changing the physical state of the molded material. It is known as the "mother of industry".

[0003] Chinese patent application No. 2017203934233 discloses a mold locking device, which is particularly suitable for auxiliary mold locking and belongs to the field of mold technology. The mold locking device is located on the left and right sides of the fixed mold, and the mold locking device is provided with a bottom plate, a rotating motor seat is provided on the bottom plate, a rotating motor is provided on the rotating motor seat, a locking plate is provided on the motor shaft of the rotating motor, and the locking plate is L-shaped. The locking plate is provided with a motor shaft connecting hole, and the motor shaft of the rotating motor is installed in the motor shaft connecting hole. The upper end of the locking plate is provided with a pair of infrared sensors, and the locking plate is also provided with a plurality of pressure sensors. The utility model is beneficial in that the upper mold and the lower mold are locked by driving the locking plate through the rotating motor, and the rebound force of the mold during the use of the mold is tested by the pressure sensor, so as to provide data for the improvement of the equipment. The utility model has a simple structure, convenient operation and low cost.

[0004] After the movable mold and the fixed mold of the above-disclosed patent are closed, the locking plate is driven by a motor to rotate to the two sides of the upper end of the movable mold, and the locking effect of the movable mold and the fixed mold is poor. After the locking plate is rotated to the upper end of the movable mold, there is a gap between the locking plate and the upper end of the movable mold, which affects the locking quality. At the same time, the locking plate of the original device does not have the function of supporting and limiting the locking plate when it is not in use, and one end of the locking plate is easily in contact with the ground and causes wear. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a plastic mold lever locking mechanism, which has a tightening function and a locking platen with good locking effect on the movable mold and the fixed mold.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic mold lever locking mechanism, including a fixed mold, a movable mold is arranged on the upper side of the fixed mold, a bottom plate is arranged on the lower side of both ends of the fixed mold, a support seat is arranged on the upper end of the bottom plate, a motor is arranged at the front end of the support seat, a locking plate is arranged on the upper side of the support seat, a pressure sensor is arranged on one side of the locking plate, an infrared sensor is arranged on one side of the pressure sensor, and the locking plate and motor are connected through a tensioning assembly.

[0007] Preferably, the tensioning assembly includes a fixed frame, a second motor, a screw, a slide plate, a connecting rod and a connecting assembly, wherein a fixed frame is provided at the output end of the first motor, a slide plate is provided inside the fixed frame, connecting rods are provided on both sides between the slide plate and the locking template, a second motor is provided at the lower end of the fixed frame, a screw is provided at the output end of the second motor, and the connecting rod and the locking template are connected via a connecting assembly.

[0008] Preferably, the connecting assembly includes a connecting plate, an insert plate, a slot, a fixing bolt and a fixing hole, wherein a connecting plate is provided at the upper end of the connecting rod, an insert plate is provided at the upper end of the connecting plate, a slot corresponding to the insert plate is provided at the lower end of the locking template, the insert plate and the locking template are connected by fixing bolts, and a fixing hole corresponding to the fixing bolt is provided in the insert plate.

[0009] Preferably, after the plug plate enters the slot, the side edge of the plug plate is in close contact with the inner wall of the slot, and a through hole corresponding to the fixing bolt is provided at one end of the locking template.

[0010] Preferably, a support rod is provided on one side of the upper end of the base plate, a support plate is provided on the upper end of the support rod, a rubber pad is provided on the upper end of the support plate, a diagonal rod is provided between the support rod and the fixed mold, and an arc rod and an oblique rod are respectively provided between the support rod and the support plate.

[0011] Preferably, the rubber pad is bonded to the support plate by glue, and the diagonal rod and the support rod as well as the diagonal rod and the fixed mold are spot welded.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a tensioning component. After the locking plate reaches the upper side of the movable mold, the second motor is turned on. The second motor drives the screw rod to rotate in the fixed frame. The rotation of the screw rod drives the slide plate to move. The movement of the slide plate drives the locking plate to move downward through the connecting rod, so that the lower end of the locking plate is pressed against the upper end of the movable mold, thereby achieving a locking effect between the movable mold and the fixed mold. By setting the tensioning component, the locking plate can be pressed against the movable mold, thereby improving the locking effect of the locking plate on the movable mold and the fixed mold.

[0014] 2. The utility model arranges a support rod at one end of the bottom plate, and arranges a support plate at the upper end of the support rod. The support plate can support the locking plate when the locking plate is not in use. A rubber pad is arranged on the upper end of the support plate to cushion the contact between the locking plate and the support plate. An inclined rod is arranged between the support rod and the fixed mold, and an inclined rod and an arc rod are arranged between the support plate and the support rod to make the support plate more stable. The support plate can support the locking plate to avoid wear caused by contact between one end of the locking plate and the ground when the locking plate is not in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 This is a three-dimensional diagram of the tensioning assembly of the utility model;

[0017] Figure 3 This is a three-dimensional diagram of the utility model when the locking template is installed;

[0018] Figure 4 This is a three-dimensional diagram of the support plate of the utility model;

[0019] In the figure: 1. movable mold; 2. tensioning assembly; 21. fixed frame; 22. motor 2; 23. screw rod; 24. slide plate; 25. connecting rod; 26. connecting assembly; 261. connecting plate; 262. plug plate; 263. slot; 264. fixing bolt; 265. fixing hole; 3. pressure sensor; 4. infrared sensor; 5. locking plate; 6. bottom plate; 7. fixed mold; 8. motor 1; 9. support seat; 10. support rod; 11. support plate; 12. rubber pad; 13. inclined rod; 14. inclined rod; 15. arc rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4The utility model provides the following technical solutions: a plastic mold lever locking mechanism, including a fixed mold 7, a movable mold 1 is arranged on the upper side of the fixed mold 7, a bottom plate 6 is arranged on the lower sides of both ends of the fixed mold 7, a support seat 9 is arranged on the upper end of the bottom plate 6, a motor 8 is arranged at the front end of the support seat 9, a locking plate 5 is arranged on the upper side of the support seat 9, a pressure sensor 3 is arranged on one side of the locking plate 5, an infrared sensor 4 is arranged on one side of the pressure sensor 3, and the locking plate 5 and the motor 8 are connected through a tensioning component 2.

[0023] Specifically, the tensioning assembly 2 includes a fixed frame 21, a motor 22, a screw 23, a slide 24, a connecting rod 25 and a connecting assembly 26, wherein a fixed frame 21 is provided at the output end of the motor 1 8, a slide 24 is provided inside the fixed frame 21, connecting rods 25 are provided on both sides between the slide 24 and the locking template 5, a motor 22 is provided at the lower end of the fixed frame 21, a screw 23 is provided at the output end of the motor 22, and the connecting rod 25 is connected to the locking template 5 via a connecting assembly 26.

[0024] By adopting the above technical solution, after the locking plate 5 reaches the upper side of the movable mold 1, the motor 22 is turned on, and the motor 22 drives the screw rod 23 to rotate in the fixed frame 21. The rotation of the screw rod 23 drives the slide plate 24 to move, and the movement of the slide plate 24 drives the locking plate 5 to move downward through the connecting rod 25, so that the lower end of the locking plate 5 is pressed against the upper end 1 of the movable mold, thereby achieving a locking effect between the movable mold 1 and the fixed mold 7. By setting the tensioning component 2, the locking plate 5 can be pressed against the movable mold 1, thereby improving the locking effect of the locking plate 5 on the movable mold 1 and the fixed mold 7.

[0025] Specifically, the connecting assembly 26 includes a connecting plate 261, an insert plate 262, a slot 263, a fixing bolt 264 and a fixing hole 265, wherein a connecting plate 261 is provided at the upper end of the connecting rod 25, an insert plate 262 is provided at the upper end of the connecting plate 261, a slot 263 corresponding to the insert plate 262 is provided at the lower end of the locking template 5, the insert plate 262 and the locking template 5 are connected by a fixing bolt 264, and a fixing hole 265 corresponding to the fixing bolt 264 is provided in the insert plate 262.

[0026] By adopting the above technical solution, the plug plate 262 at the upper end of the connecting plate 261 at the upper end of the connecting rod 25 is inserted into the slot 263 at the lower end of the locking template 5, and then the fixing bolt 264 is screwed into the fixing hole 265 of the plug plate 262, so as to achieve the effect of limiting and fixing the locking template 5 and the connecting plate 261. By setting the connecting component 26, it is convenient to disassemble and assemble the locking template 5, thereby facilitating the inspection and maintenance of the pressure sensor 3 and the infrared sensor 4 on the locking template 5.

[0027] Specifically, after the inserting plate 262 enters the slot 263 , the side of the inserting plate 262 is in close contact with the inner wall of the slot 263 , and a through hole corresponding to the fixing bolt 264 is provided at one end of the locking template 5 .

[0028] By adopting the above technical solution, after the inserting plate 262 enters the slot 263 , the inserting plate 262 is more stable in the slot 263 , and the fixing bolt 264 can pass through the locking template 5 and be screwed into the fixing hole 265 of the inserting plate 262 .

[0029] When the present embodiment is used, when the lever locking mechanism of the plastic mold is used, the device is installed in a suitable position. After the movable mold 1 and the fixed mold 7 are molded together, the motor 1 8 drives the locking plate 5 to rotate to the upper end of the movable mold 1, so as to lock the movable mold 1 and the fixed mold 7. The pressure sensor 3 monitors the pressure between the movable mold 1 and the fixed mold 7. By setting the tensioning component 2, the motor 22 is turned on after the locking plate 5 reaches the upper side of the movable mold 1. The motor 22 drives the screw rod 23 to rotate in the fixed frame 21. The rotation of the screw rod 23 drives the slide plate 24 to move. The slide plate 24 moves and drives the locking plate 5 to move downward through the connecting rod 25, so that the lower end of the locking plate 5 is pressed against the upper end 1 of the movable mold to achieve locking. A locking effect is achieved between the movable mold 1 and the fixed mold 7. By setting the tensioning component 2, the locking plate 5 can be pressed against the movable mold 1, thereby improving the locking effect of the locking plate 5 on the movable mold 1 and the fixed mold 7. By setting the connecting component 26, the plug plate 262 at the upper end of the connecting plate 261 at the upper end of the connecting rod 25 is inserted into the slot 263 at the lower end of the locking plate 5, and then the fixing bolt 264 is screwed into the fixing hole 265 of the plug plate 262, so as to achieve the effect of limiting and fixing the locking plate 5 and the connecting plate 261. By setting the connecting component 26, it is convenient to disassemble and assemble the locking plate 5, thereby facilitating the inspection and maintenance of the pressure sensor 3 and the infrared sensor 4 on the locking plate 5.

[0030] Example 2

[0031] The difference between this embodiment and embodiment 1 is that: a support rod 10 is arranged on one side of the upper end of the base plate 6, a support plate 11 is arranged on the upper end of the support rod 10, a rubber pad 12 is arranged on the upper end of the support plate 11, a diagonal rod 13 is arranged between the support rod 10 and the fixed mold 7, and an arc rod 15 and an inclined rod 14 are respectively arranged between the support rod 10 and the support plate 11.

[0032] By adopting the above technical solution and arranging a support plate 11 at the upper end of the support rod 10, the support plate 11 can support the locking plate 5 when the locking plate 5 is not in use, and the rubber pad 12 is arranged on the upper end of the support plate 11 to cushion the contact between the locking plate 5 and the support plate 11, and an inclined rod 13 is arranged between the support rod 10 and the fixed mold 7, and an inclined rod 15 and an arc rod 14 are arranged between the support plate 11 and the support rod 10 to make the support plate 11 more stable. The support plate 11 can support the locking plate 5 to avoid wear caused by contact between one end of the locking plate 5 and the ground when the locking plate 5 is not in use.

[0033] Specifically, the rubber pad 12 and the support plate 11 are bonded by glue, and the diagonal rod 13 and the support rod 10 as well as the diagonal rod 13 and the fixed mold 7 are spot welded.

[0034] By adopting the above technical solution, the rubber pad 12 is not easy to fall off due to glue bonding, and the spot welding between the diagonal rod 13 and the support rod 10 and between the diagonal rod 13 and the fixed mold 7 is more firm.

[0035] When this embodiment is in use, a support rod 10 is arranged at one end of the bottom plate 6, and a support plate 11 is arranged at the upper end of the support rod 10. When the locking template 5 is not in use, the support plate 11 can support the locking template 5. A rubber pad 12 is arranged at the upper end of the support plate 11 to cushion the contact between the locking template 5 and the support plate 11. An inclined rod 13 is arranged between the support rod 10 and the fixed mold 7, and an inclined rod 15 and an arc rod 14 are arranged between the support plate 11 and the support rod 10 to make the support plate 11 more stable. The support plate 11 can support the locking template 5 to avoid wear caused by contact between one end of the locking template 5 and the ground when not in use.

[0036] The motor 22 in the utility model is an existing disclosed technology, and the selected model is 5IK120GN-CF.

[0037] The structure and working principle of the movable mold 1, pressure sensor 3, infrared sensor 4, locking plate 5, bottom plate 6, fixed mold 7, motor 8 and support seat 9 in the utility model have been disclosed in a mold locking device disclosed in Chinese patent application No. 2017203934233. The working principle is that after the movable mold 1 and the fixed mold 7 are closed, the motor 8 drives the locking plate 5 to rotate to the upper end of the movable mold 1, thereby locking the movable mold 1 and the fixed mold 7, and the pressure sensor 3 monitors the pressure between the movable mold 1 and the fixed mold 7.

[0038] The working principle and use process of the utility model are as follows: when the lever locking mechanism of the plastic mold is used, the device is installed in a suitable position. After the movable mold 1 and the fixed mold 7 are molded together, the motor 1 8 drives the locking plate 5 to rotate to the upper end of the movable mold 1, so as to lock the movable mold 1 and the fixed mold 7. The pressure sensor 3 monitors the pressure between the movable mold 1 and the fixed mold 7. By setting the tensioning component 2, the motor 22 is turned on after the locking plate 5 reaches the upper side of the movable mold 1, and the motor 22 drives the screw rod 23 to rotate in the fixed frame 21. The rotation of the screw rod 23 drives the slide plate 24 to move. The movement of the slide plate 24 drives the locking plate 5 to move downward through the connecting rod 25, so that the lower end of the locking plate 5 is pressed against the upper end 1 of the movable mold, so as to achieve the locking effect between the movable mold 1 and the fixed mold 7. By setting the tensioning component 2, the locking plate 5 can be pressed against the movable mold 1, thereby improving the locking effect of the locking plate 5 on the movable mold 1 and the fixed mold 7. By setting the connecting component 26, the plug plate 262 at the upper end of the connecting plate 261 at the upper end of the connecting rod 25 is inserted Insert it into the slot 263 at the lower end of the locking template 5, and then screw the fixing bolt 264 into the fixing hole 265 of the plug plate 262 to achieve the effect of limiting and fixing the locking template 5 and the connecting plate 261. By setting the connecting component 26, it is convenient to disassemble and assemble the locking template 5, so as to facilitate the inspection and maintenance of the pressure sensor 3 and the infrared sensor 4 on the locking template 5. By setting a support rod 10 at one end of the bottom plate 6 and a support plate 11 at the upper end of the support rod 10, the support plate 11 can support the locking template 5 when the locking template 5 is not in use, and a rubber pad 12 is set at the upper end of the support plate 11 to buffer the contact between the locking template 5 and the support plate 11. An inclined rod 13 is set between the support rod 10 and the fixed mold 7, and an inclined rod 15 and an arc rod 14 are set between the support plate 11 and the support rod 10 to make the support plate 11 more stable. The support plate 11 can support the locking template 5 to avoid wear caused by contact between one end of the locking template 5 and the ground when the locking template 5 is not in use.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plastic mold lever clamping mechanism, comprising a fixed mold, characterized in that: A movable mold is arranged on the upper side of the fixed mold, a bottom plate is arranged on the lower side of both ends of the fixed mold, a support seat is arranged on the upper end of the bottom plate, a motor 1 is arranged at the front end of the support seat, a locking template is arranged on the upper side of the support seat, a pressure sensor is arranged on one side of the locking template, an infrared sensor is arranged on one side of the pressure sensor, and the locking template and motor 1 are connected through a tensioning assembly.

2. A plastic mold lever clamping mechanism according to claim 1, characterized in that: The tensioning assembly includes a fixed frame, a second motor, a screw, a slide plate, a connecting rod and a connecting assembly, wherein a fixed frame is provided at the output end of the first motor, a slide plate is provided inside the fixed frame, connecting rods are provided on both sides between the slide plate and the locking template, a second motor is provided at the lower end of the fixed frame, a screw is provided at the output end of the second motor, and the connecting rod and the locking template are connected via a connecting assembly.

3. A plastic mold lever clamping mechanism according to claim 2, characterized in that: The connecting assembly includes a connecting plate, a plug plate, a slot, a fixing bolt and a fixing hole, wherein a connecting plate is provided at the upper end of the connecting rod, a plug plate is provided at the upper end of the connecting plate, a slot corresponding to the plug plate is provided at the lower end of the locking template, the plug plate and the locking template are connected by fixing bolts, and a fixing hole corresponding to the fixing bolt is provided in the plug plate.

4. A plastic mold lever clamping mechanism according to claim 3, characterized in that: After the plug board enters the slot, the side edge of the plug board is in close contact with the inner wall of the slot, and one end of the locking template is provided with a through hole corresponding to the fixing bolt.

5. The lever clamping mechanism for a plastic mold according to claim 1, characterized in that: A support rod is arranged on one side of the upper end of the bottom plate, a support plate is arranged on the upper end of the support rod, a rubber pad is arranged on the upper end of the support plate, an inclined rod is arranged between the support rod and the fixed mold, and an arc rod and an inclined rod are respectively arranged between the support rod and the support plate.

6. A plastic mold lever clamping mechanism according to claim 5, characterized in that: The rubber pad is bonded to the support plate by glue, and the inclined rod and the support rod as well as the inclined rod and the fixed mold are all welded by spot welding.

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