Mold core-pulling locking structure

Abstract

The utility model relates to the technical field of injection molds, and discloses a mold core-pulling locking structure which comprises a main body mechanism and a locking mechanism, the locking mechanism is located above the main body mechanism, and the main body mechanism comprises a mounting bottom plate, a damping cylinder sleeve, a buffer piston, a supporting plate, a connecting spring and a mounting through hole. The damping cylinder sleeves are fixedly installed at the upper end of the installation bottom plate and evenly distributed at the upper end of the installation bottom plate, the buffering pistons are movably installed at the upper ends of the damping cylinder sleeves and the upper ends of the supporting plates, and the connecting springs are fixedly installed between the installation bottom plate and the supporting plates. According to the mold core-pulling locking structure, the buffering capacity of the mold core-pulling locking structure is improved by installing the main body mechanism, in the actual using process, vibration force and impact force borne in the using process can be effectively damped and buffered in time, and the using stability of the mold core-pulling locking structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a mold core-pulling and locking structure. Background Art

[0002] During the production process of medical devices, some medical devices need to be reinforced by injection molding. During injection molding, a mold core pulling mechanism is needed to assist the injection molding operation. In order to improve the molding efficiency, a mold core pulling and locking structure is needed.

[0003] The prior art patent document CN220180037U discloses a mold core pulling and locking structure. The utility model includes a movable mold group, a fixed mold group and a core pulling mechanism. The movable mold group and the fixed mold group can open and close with each other to form a cavity. The core pulling mechanism is arranged on the movable mold group and movably extends into the cavity to participate in the molding of the workpiece. It also includes a locking mechanism. The locking mechanism includes a power component, which is arranged on the fixed mold group; and a locking component, which is connected to the power component. The power component is used to drive the locking component to retract and retract. When the core pulling mechanism is closed in the cavity, the power component drives the locking component to press the core pulling mechanism.

[0004] However, due to the poor buffering ability of the prior art patent technology with publication number CN220180037U during use, it is not convenient to conveniently and easily dampen the vibration and impact forces during use during actual use, which affects the stability of use. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The utility model aims to provide a mold core-pulling locking structure to solve the problem in the above-mentioned background technology that the prior art is not convenient for shock-absorbing and buffering the vibration force and impact force received during use.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mold core pulling locking structure, comprising a main body mechanism and a locking mechanism, wherein the locking mechanism is located above the main body mechanism, and the main body mechanism comprises a mounting base plate, a damping cylinder sleeve, a buffer piston, a support plate, a connecting spring and a mounting through hole, wherein the damping cylinder sleeve is fixedly mounted on the upper end of the mounting base plate, the damping cylinder sleeve is evenly distributed on the upper end of the mounting base plate, the buffer piston is movably mounted on the upper end of the damping cylinder sleeve, the support plate is fixedly mounted on the upper end of the buffer piston, the connecting spring is fixedly mounted in the middle of the mounting base plate and the support plate, the connecting spring is located at the outer end of the damping cylinder sleeve and the buffer piston, and the mounting through hole is fixedly arranged on the upper end of the mounting base plate, and by installing the connecting spring, it is convenient to drive the buffer piston to extend and retract on the damping cylinder sleeve, thereby playing a shock-absorbing and buffering role for the support plate.

[0009] Preferably, the locking mechanism includes a movable groove, a transmission motor, a rotating shaft, a block, a bidirectional screw, a support block, a positioning nut, a support rod, a first connecting rod, a second connecting rod, a limit plate, a limit slide groove, a limit block, a core pulling cylinder, a telescopic rod and a core pulling block. The movable groove is fixedly arranged at the front end of the support plate. By setting the movable groove, it is convenient to install the transmission motor and to limit the positioning nut.

[0010] Preferably, the transmission motor is fixedly mounted on the left end of the inner end of the movable groove, the rotating shaft is fixedly mounted on the transmission end of the right end of the transmission motor, and the stopper is fixedly mounted on the right end of the rotating shaft. By installing the transmission motor and the rotating shaft, it is easy to drive the bidirectional screw to rotate.

[0011] Preferably, the bidirectional screw is fixedly installed on the right end of the stop block, the support block is fixedly installed on the right end of the inner end of the movable groove, the right end of the bidirectional screw is rotatably connected to the support block, and the positioning nut is threadedly connected to the left and right ends of the outer end of the bidirectional screw. By installing the bidirectional screw, it is easy to drive the positioning nut to move into position, thereby adjusting the use position of the limit plate.

[0012] Preferably, the support rod is fixedly mounted on the front end of the positioning nut, the first connecting rod is fixedly mounted on the lower end of the support rod, the second connecting rod is fixedly mounted on the left and right ends of the first connecting rod, and the limit plate is fixedly mounted on the left and right ends of the second connecting rod. By installing the limit plate, the locking operation of the core pulling block is realized.

[0013] Preferably, the core pulling cylinder is movably installed in front of the support plate, the telescopic rod is fixedly installed on the transmission end of the right end of the core pulling cylinder, and the core pulling block is fixedly installed on the right end of the telescopic rod. Through the installation of the core pulling cylinder and the telescopic rod, it is possible to facilitate the adjustment of the use position of the core pulling block.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The mold core-pulling locking structure improves the buffering capacity of the utility model by installing the main body mechanism. In actual use, the vibration force and impact force received during use can be timely and effectively damped, thereby improving the use stability of the mold core-pulling locking structure;

[0016] 2. The core-pulling locking structure of the mold improves the locking ability of the utility model by installing the locking mechanism. In actual use, the core-pulling mechanism can be conveniently locked according to the needs of use, thereby improving the practicality of the core-pulling locking structure of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 It is a partial structural diagram of the main mechanism of the utility model;

[0019] Figure 3 It is a schematic diagram of the partial structure of the locking mechanism of the utility model;

[0020] Figure 4 It is a schematic diagram of the enlarged structure of the local details of the locking mechanism of the utility model.

[0021] In the figure: 1. main body; 101. mounting base plate; 102. damping cylinder sleeve; 103. buffer piston; 104. support plate; 105. connecting spring; 106. mounting through hole; 2. locking mechanism; 201. movable groove; 202. transmission motor; 203. rotating shaft; 204. stopper; 205. bidirectional screw rod; 206. support block; 207. positioning nut; 208. support rod; 209. first connecting rod; 210. second connecting rod; 211. limit plate; 212. limit slide groove; 213. limit block; 214. core-pulling cylinder; 215. telescopic rod; 216. core-pulling block. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-Figure 4The utility model provides a technical solution: a mold core-pulling locking structure, including a main body mechanism 1 and a locking mechanism 2, the locking mechanism 2 is located above the main body mechanism 1, the main body mechanism 1 includes a mounting base plate 101, a damping cylinder sleeve 102, a buffer piston 103, a support plate 104, a connecting spring 105 and a mounting through hole 106, the damping cylinder sleeve 102 is fixedly mounted on the upper end of the mounting base plate 101, the damping cylinder sleeve 102 is evenly distributed on the upper end of the mounting base plate 101, and the buffer piston 103 is movably mounted on the damping cylinder sleeve 10 2, the support plate 104 is fixedly mounted on the upper end of the buffer piston 103, the connecting spring 105 is fixedly mounted in the middle of the mounting base plate 101 and the support plate 104, the connecting spring 105 is located at the outer ends of the damping cylinder sleeve 102 and the buffer piston 103, the mounting through hole 106 is fixedly arranged on the upper end of the mounting base plate 101, the buffer piston 103 is squeezed by the support plate 104, and the connecting spring 105 is compressed at the same time, and the buffer piston 103 is driven to expand and contract on the damping cylinder sleeve 102 through the connecting spring 105.

[0024] The locking mechanism 2 includes a movable groove 201, a transmission motor 202, a rotating shaft 203, a stopper 204, a bidirectional screw rod 205, a support block 206, a positioning nut 207, a support rod 208, a first connecting rod 209, a second connecting rod 210, a limiting plate 211, a limiting slide groove 212, a limiting block 213, a core-pulling cylinder 214, a telescopic rod 215 and a core-pulling block 216. The movable groove 201 is fixedly arranged at the front end of the support plate 104, the transmission motor 202 is fixedly installed at the left end of the inner end of the movable groove 201, the rotating shaft 203 is fixedly installed at the transmission end of the right end of the transmission motor 202, the stopper 204 is fixedly installed at the right end of the rotating shaft 203, the bidirectional screw rod 205 is fixedly installed at the right end of the stopper 204, the support block 206 is fixedly installed at the right end of the inner end of the movable groove 201, and the right end of the bidirectional screw rod 205 is rotatably connected to the movable groove 201. The support block 206 and the positioning nut 207 are threadedly connected to the left and right ends of the outer end of the two-way screw rod 205, the support rod 208 is fixedly installed at the front end of the positioning nut 207, the first connecting rod 209 is fixedly installed at the lower end of the support rod 208, the second connecting rod 210 is fixedly installed at the left and right ends of the first connecting rod 209, the limit plate 211 is fixedly installed at the left and right ends of the second connecting rod 210, the core pulling cylinder 214 is movably installed in front of the support plate 104, the telescopic rod 215 is fixedly installed at the transmission end of the right end of the core pulling cylinder 214, the core pulling block 216 is fixedly installed at the right end of the telescopic rod 215, and the transmission motor 202 is started to rotate the rotating shaft 203, so that the rotating shaft 203 drives the two-way screw rod 205 to rotate, so that the positioning nut 207 moves toward each other on the two-way screw rod 205, and drives the limit plate 211 to move.

[0025] Working principle: when it is needed, first screw the bolt into the installation through hole 106, stably install the installation base plate 101 at the position where it is needed, start the core pulling cylinder 214 to adjust the length of the telescopic rod 215, so that it pushes the core pulling block 216 to pull the core of the matched mold and fix it, start the transmission motor 202 to rotate the rotating shaft 203, so that the rotating shaft 203 drives the bidirectional screw rod 205 to rotate, so that the positioning nut 207 moves towards each other on the bidirectional screw rod 205, and drives the limit plate 211 to move to the core pulling cylinder 214 and the core pulling block 216, and locks them, and at the same time drives the limit block 213 to slide in the limit slide groove 212, limits the positioning nut 207, and then squeezes the buffer piston 103 through the support plate 104, and compresses the connecting spring 105 at the same time, and drives the buffer piston 103 to expand and contract on the damping cylinder sleeve 102 through the connecting spring 105 to buffer the vibration force.

[0026] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A mold core-pulling locking structure, comprising a main body mechanism (1) and a locking mechanism (2), characterized in that: The locking mechanism (2) is located above the main mechanism (1). The main mechanism (1) comprises a mounting base plate (101), a damping cylinder sleeve (102), a buffer piston (103), a support plate (104), a connecting spring (105) and a mounting through hole (106). The damping cylinder sleeve (102) is fixedly mounted on the upper end of the mounting base plate (101). The damping cylinder sleeve (102) is evenly distributed on the upper end of the mounting base plate (101). The buffer piston (103) is movably mounted on the upper end of the damping cylinder sleeve (102). The support plate (104) is fixedly mounted on the upper end of the buffer piston (103). The connecting spring (105) is fixedly mounted in the middle of the mounting base plate (101) and the support plate (104). The connecting spring (105) is located at the outer ends of the damping cylinder sleeve (102) and the buffer piston (103). The mounting through hole (106) is fixedly arranged on the upper end of the mounting base plate (101).

2. A mold core-pulling locking structure according to claim 1, characterized in that: The locking mechanism (2) comprises a movable groove (201), a transmission motor (202), a rotating shaft (203), a stopper (204), a bidirectional screw rod (205), a support block (206), a positioning nut (207), a support rod (208), a first connecting rod (209), a second connecting rod (210), a limit plate (211), a limit slide groove (212), a limit block (213), a core pulling cylinder (214), a telescopic rod (215) and a core pulling block (216); the movable groove (201) is fixedly arranged at the front end of the support plate (104).

3. A mold core-pulling locking structure according to claim 2, characterized in that: The transmission motor (202) is fixedly mounted on the left end of the inner end of the movable groove (201), the rotating shaft (203) is fixedly mounted on the transmission end of the right end of the transmission motor (202), and the stopper (204) is fixedly mounted on the right end of the rotating shaft (203).

4. A mold core-pulling locking structure according to claim 3, characterized in that: The bidirectional screw rod (205) is fixedly mounted on the right end of the stopper (204), the support block (206) is fixedly mounted on the right end of the inner end of the movable groove (201), the right end of the bidirectional screw rod (205) is rotatably connected to the support block (206), and the positioning nut (207) is threadedly connected to the left and right ends of the outer end of the bidirectional screw rod (205).

5. A mold core-pulling locking structure according to claim 4, characterized in that: The support rod (208) is fixedly mounted on the front end of the positioning nut (207), the first connecting rod (209) is fixedly mounted on the lower end of the support rod (208), the second connecting rod (210) is fixedly mounted on the left and right ends of the first connecting rod (209), and the limit plate (211) is fixedly mounted on the left and right ends of the second connecting rod (210).

6. A mold core-pulling locking structure according to claim 5, characterized in that: The core pulling cylinder (214) is movably mounted in front of the support plate (104), the telescopic rod (215) is fixedly mounted on the transmission end at the right end of the core pulling cylinder (214), and the core pulling block (216) is fixedly mounted on the right end of the telescopic rod (215).

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