Pull rod type ejector pin mechanism with detachable ejector pin

Abstract

The utility model relates to the technical field of ejector pin mechanisms, and discloses a pull rod type ejector pin mechanism with a detachable ejector pin, which comprises a box body, a lifting plate positioned in the box body and a telescopic cylinder positioned in the middle of the bottom of the lifting plate, the output end of the servo motor is connected with a screw rod penetrating into the lifting plate; the limiting rod is arranged on the other side in the box body; the infrared distance sensor is arranged at one end of the top of the lifting plate, a top plate is arranged at the top of the box body, and a plurality of sets of movable holes are formed in the top plate. The lifting plate can be stably adjusted up and down through the servo motor, the screw rod and the limiting rod, the use position of the telescopic air cylinder can be adjusted, and the distance between the lifting plate and the ejector plate can be adjusted through the infrared distance sensor, so that the use degree of the ejector pin is accurately adjusted, and the use efficiency of the ejector pin is improved. And the practicability of the ejector pin mechanism is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ejector mechanisms, in particular to a pull rod type ejector mechanism with detachable ejector pins. Background Technique

[0002] The main function of the ejector mechanism is to eject the formed products from the mold. However, for silicone molds, the mold ejection mechanism needs to be driven by an external force to overcome the spring force of the mold top plate and close the mold without damaging the mold after the product is ejected. The ejector pin needs to pull the mold top plate in reverse.

[0003] At present, most ejector mechanisms need to replace the ejector pins after long-term use. Most ejector mechanisms are arranged inside the mold, which is not convenient for replacing and using the ejector pins, and it is not convenient to adjust the use position of the ejector pins, resulting in poor use effect and low practicability of the ejector mechanism. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a pull rod type ejector mechanism with detachable ejector pins to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A pull rod type ejector mechanism with detachable ejector pins, including a box body, a lifting plate located inside the box body, and a telescopic cylinder located at the middle position of the bottom of the lifting plate. The lifting plate includes:

[0006] A servo motor arranged on one side of the bottom of the box body, and the output end of the servo motor is connected with a screw rod penetrating into the inside of the lifting plate;

[0007] A limiting rod arranged on the other side inside the box body;

[0008] An infrared distance sensor arranged at one end of the top of the lifting plate.

[0009] Preferably, a top plate is arranged on the top of the box body, a plurality of movable holes are arranged inside the top plate, box doors are arranged on both sides of both ends of the box body, and a handle is arranged on one side of one end of the box door.

[0010] Preferably, the telescopic end of the telescopic cylinder is provided with an ejector pin, an installation head is arranged at the bottom end of the ejector pin, a fixing groove is arranged at the bottom end inside the installation head, and an empty groove is arranged at the middle position of the bottom of the box body.

[0011] Preferably, the servo motor is detachably connected to the box body through a fixing bolt, a bearing is arranged at the top end inside the box body, and the top end of the screw rod penetrates into the inside of the bearing.

[0012] Preferably, a threaded hole matching the screw rod is arranged on one side inside the lifting plate, and the lifting plate is threadedly connected to the screw rod through the threaded hole.

[0013] Preferably, a limiting hole is provided on the other side inside the lifting plate, and the limiting rod penetrates into the limiting hole, and the infrared distance sensor is detachably connected to the lifting plate through a fixing bolt.

[0014] Preferably, the top end of the box body is welded to the bottom end of the top plate, and the handle is detachably connected to the box door through a fixing bolt.

[0015] Preferably, a plurality of hinges are provided on one side of one end of the box door, and the box door is movably connected to the box body through the hinges.

[0016] Preferably, the telescopic cylinder is detachably connected to the lifting plate through a fixing bolt, and the thimble is movably connected to the top plate through a movable hole.

[0017] Preferably, an external thread is provided on the outer side of the telescopic end of the telescopic cylinder, an internal thread matching the telescopic cylinder is provided on the inner wall of the fixing groove, and the mounting head is detachably connected to the telescopic end of the telescopic cylinder through the thimble.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0019] 1. The present utility model can stably adjust the lifting plate up and down through the servo motor, screw rod and limiting rod, can adjust the use position of the telescopic cylinder, and can adjust the distance between the lifting plate and the top plate through the infrared distance sensor, so as to accurately adjust the use degree of the thimble, improving the practicability of the thimble mechanism;

[0020] 2. The present utility model can realize the disassembly and assembly of the mounting head and the telescopic end of the telescopic cylinder through the mutual cooperation of the external thread on the telescopic end of the telescopic cylinder and the internal thread on the inner wall of the fixing groove, can replace the thimble, and can adjust the lifting of the thimble through the telescopic cylinder, making the use effect of the thimble mechanism better. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. In all the drawings, similar elements or parts are generally marked with similar reference numerals. In the drawings, the elements or parts do not necessarily draw according to the actual ratio.

[0022] Figure 1 It is a schematic structural diagram of the present utility model.

[0023] Figure 2 It is a cross-sectional view of the present utility model.

[0024] Figure 3 This is a schematic diagram of the internal structure of the present utility model.

[0025] In the figure: 1. Box body; 101. Top plate; 102. Moving hole; 103. Door of the box; 104. Handle; 2. Lifting plate; 201. Servo motor; 202. Screw rod; 203. Limiting rod; 204. Infrared distance sensor; 3. Telescopic cylinder; 301. Thimble; 302. Mounting head; 303. Fixed groove; 304. Empty groove. Specific embodiments

[0026] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0027] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0030] Please refer to Figures 1-3, An embodiment of a pull-rod type ejector pin mechanism with detachable ejector pins provided by the present utility model: A pull-rod type ejector pin mechanism with detachable ejector pins includes a box body 1, a lifting plate 2 located inside the box body 1, and a telescopic cylinder 3 located at the middle position of the bottom of the lifting plate 2. The lifting plate 2 includes: a servo motor 201 provided on one side of the bottom of the box body 1, and the output end of the servo motor 201 is connected with a screw rod 202 penetrating into the inside of the lifting plate 2. The screw rod 202 can be driven to rotate by the servo motor 201 to provide power for the lifting of the lifting plate 2; a limiting rod 203 provided on the other side inside the box body 1 to make the adjustment of the lifting plate 2 more stable; an infrared distance sensor 204 provided at one end of the top of the lifting plate 2 to detect the distance between the lifting plate 2 and the top plate 101, making the adjustment and use effect of the ejector pin mechanism better.

[0031] Please refer particularly to Figure 1 and Figure 3 , A top plate 101 is provided on the top of the box body 1, and multiple movable holes 102 are provided inside the top plate 101 to facilitate the telescopic use of the ejector pin 301. Box doors 103 are provided on both sides of both ends of the box body 1, and a handle 104 is provided on one side of one end of the box door 103. The box door 103 can be controlled and used through the handle 104. The telescopic end of the telescopic cylinder 3 is provided with an ejector pin 301, and the ejector pin 301 can be driven to expand and contract by the telescopic cylinder 3. An installation head 302 is provided at the bottom end of the ejector pin 301, and a fixing groove 303 is provided at the bottom end inside the installation head 302. The installation head 302 and the telescopic end of the telescopic cylinder 3 can be disassembled and assembled through the fixing groove 303. An empty groove 304 is provided at the middle position of the bottom of the box body 1 to prevent the box body 1 from affecting the adjustment and use of the telescopic cylinder 3.

[0032] Please refer particularly to Figure 2 and Figure 3 , The servo motor 201 is detachably connected to the box body 1 through a fixing bolt to install the servo motor 201 at the bottom of the box body 1. A bearing is provided at the top end inside the box body 1, and the top end of the screw rod 202 penetrates into the inside of the bearing to make the rotation of the screw rod 202 more stable. A threaded hole matching the screw rod 202 is provided on one side inside the lifting plate 2, and the lifting plate 2 is threadedly connected to the screw rod 202 through the threaded hole to achieve the effect of limit adjustment, and the lifting plate 2 can be lifted and adjusted, and the use position of the telescopic cylinder 3 can be adjusted. A limiting hole is provided on the other side inside the lifting plate 2, and the limiting rod 203 penetrates into the inside of the limiting hole. The lifting and lowering adjustment of the lifting plate 2 is made more stable by the limiting rod 203. The infrared distance sensor 204 is detachably connected to the lifting plate 2 through a fixing bolt to install the infrared distance sensor 204 on the top of the lifting plate 2 to detect the distance between the lifting plate 2 and the top 101, and the adjustment and use accuracy of the ejector pin mechanism is higher.

[0033] Please refer with emphasis to Figure 1 and Figure 3 , the top end of the box body 1 is welded to the bottom end of the top plate 101, and the handle 104 is detachably connected to the box door 103 through a fixing bolt. The handle 104 can be installed between the box door 103, which is convenient for opening and closing the box door 103. On one side of one end of the box door 103, there are multiple hinges. The box door 103 is movably connected to the box body 1 through the hinges, realizing the opening and closing of the box door 103, which is convenient for replacing the ejector pin 301. The telescopic cylinder 3 is detachably connected to the lifting plate 2 through a fixing bolt, and the telescopic cylinder 3 can be installed on the top of the lifting plate 2. The ejector pin 301 is movably connected to the top plate 101 through the moving hole 102, and the movement between the ejector pin 201 and the top 101 can be carried out through the moving hole 102. The outer side of the telescopic end of the telescopic cylinder 3 is provided with an external thread, and the inner wall of the fixing groove 303 is provided with an internal thread matching the telescopic cylinder 3. The mounting head 302 is detachably connected to the telescopic end of the telescopic cylinder 3 through the ejector pin 301. The disassembly and assembly between the mounting head 302 and the telescopic end of the telescopic cylinder 3 can be carried out through the fixing groove 303, so that the ejector pin 301 can be replaced and used.

[0034] Working principle: Before the utility model is used, the ejector pin mechanism is fixedly installed. When in use, the power is turned on, and the servo motor 201 can drive the screw 202 to rotate. The screw 202 cooperates with the threaded hole on one side inside the lifting plate 2, and the lifting plate 2 can be moved up and down. The up and down adjustment of the lifting plate 2 is made more stable through the limiting rod 203. The distance between the lifting plate 2 and the top plate 101 can be detected through the infrared distance sensor 204, and the use position of the telescopic cylinder 3 can be accurately adjusted. The ejector pin 301 can be completely adjusted into the box body 1. Through the cooperation of the internal thread on the inner wall of the fixing groove 303 and the external thread on the outer side of the telescopic end of the telescopic cylinder 3, the mounting head 302 can be installed on the telescopic end of the telescopic cylinder 3, realizing the disassembly and assembly between the ejector pin 301 and the telescopic end of the telescopic cylinder 3, and the ejector pin 301 can be replaced. The telescopic cylinder 3 can drive the ejector pin 301 to perform telescopic adjustment, and the telescopic movement between the ejector pin 301 and the top plate 101 can be carried out through the moving hole 102, making the use effect of the ejector pin mechanism better.

[0035] The above are only embodiments of the present utility model, and common knowledge such as specific structures and characteristics known in the solution is not described in detail herein. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be construed as limiting the claimed rights involved.

Claims

1. A pull-rod type ejector pin mechanism with detachable ejector pins, characterized in that: It includes a box body (1), a lifting plate (2) located inside the box body (1), and a telescopic cylinder (3) located at the middle position of the bottom of the lifting plate (2). The lifting plate (2) includes: A servo motor (201) provided on one side of the bottom of the box body (1), and a screw rod (202) connected to the output end of the servo motor (201) and penetrating into the inside of the lifting plate (2); A limiting rod (203) provided on the other side inside the box body (1); An infrared distance sensor (204) provided at one end of the top of the lifting plate (2).

2. The pull rod type thimble mechanism with detachable thimble according to claim 1, characterized in that: The top of the box body (1) is provided with a top plate (101). Multiple movable holes (102) are provided inside the top plate (101). Box doors (103) are provided on both sides at both ends of the box body (1). A handle (104) is provided on one side of one end of the box door (103).

3. The pull rod type thimble mechanism with detachable thimble according to claim 1, characterized in that: The telescopic end of the telescopic cylinder (3) is provided with a thimble (301). The bottom end of the thimble (301) is provided with a mounting head (302). A fixing groove (303) is provided at the bottom end inside the mounting head (302). An empty groove (304) is provided at the middle position of the bottom of the box body (1).

4. The pull rod type thimble mechanism with detachable thimble according to claim 1, characterized in that: The servo motor (201) is detachably connected to the box body (1) by a fixing bolt. A bearing is provided at the top end inside the box body (1), and the top end of the screw rod (202) penetrates into the inside of the bearing.

5. The pull rod type thimble mechanism with detachable thimble according to claim 1, characterized in that: A threaded hole matching the screw rod (202) is provided on one side inside the lifting plate (2). The lifting plate (2) is threadedly connected to the screw rod (202) through the threaded hole.

6. The pull rod type thimble mechanism with a detachable thimble according to claim 1, characterized in that: A limiting hole is provided on the other side inside the lifting plate (2), and the limiting rod (203) penetrates into the inside of the limiting hole. The infrared distance sensor (204) is detachably connected to the lifting plate (2) by a fixing bolt.

7. A pull rod type thimble mechanism with a detachable thimble according to claim 2, characterized in that: The top end of the box body (1) is welded to the bottom end of the top plate (101). The handle (104) is detachably connected to the box door (103) by a fixing bolt.

8. The pull rod type thimble mechanism with detachable thimble according to claim 2, characterized in that: Multiple hinges are provided on one side of one end of the box door (103). The box door (103) is movably connected to the box body (1) through the hinges.

9. The pull rod type thimble mechanism with a detachable thimble according to claim 3, characterized in that: The telescopic cylinder (3) is detachably connected to the lifting plate (2) by a fixing bolt. The thimble (301) is movably connected to the top plate (101) through the movable hole (102).

10. The pull rod type thimble mechanism with a detachable thimble according to claim 3, characterized in that: External threads are provided on the outer side of the telescopic end of the telescopic cylinder (3). Internal threads matching the telescopic cylinder (3) are provided on the inner wall of the fixing groove (303). The mounting head (302) is detachably connected to the telescopic end of the telescopic cylinder (3) through the thimble (301).

Images