Mould locking mechanism of extruder

Abstract

The utility model discloses a mold locking mechanism of an extruder, which belongs to the technical field of extruders and comprises a mounting plate, a mold locking component, an air cylinder, a positioning rod and a movable plate connected with the top of the positioning rod, the top of a telescopic rod of the air cylinder and the top of the mold locking component. The mold locking assembly comprises a screw rod, a rotary universal head, a zipper chain and a lantern ring which are sequentially connected, the screw rod is arranged on the mounting plate, the mold locking assembly further comprises a mold locking disc base and a mold locking disc, the mold locking disc base is fixed on the mounting plate, the mold locking disc is in threaded connection with the mold locking disc base, a connecting rod is arranged on the side face of the mold locking disc, and the lantern ring is arranged on the connecting rod in a sleeving mode. According to the mold locking module mechanism, the mold locking disc of the mold locking assembly is driven to ascend and descend through the air cylinder, mold locking is facilitated, meanwhile, it is guaranteed that the mold locking disc is stable in the ascending and descending process, and the quality of extruded materials is prevented from being affected; the mold locking assembly is arranged on the movable plate and connected with the connecting rod on the mold locking disc, so that the mold locking disc and the mold locking disc base can be locked and loosened through the mold locking assembly, and material leakage is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic cylinders, in particular to a mold locking mechanism of an extruder. Background Art

[0002] Extruder, also known as extruder, is a device mainly used for extrusion of communication cables, power cables, radio frequency cables, Teflon tubes, corrugated tubes, solid wires, etc.

[0003] The clamping module of the extruder is a mechanism for locking the clamping plate. Most of the existing clamping modules of the extruder adopt manual rotation of the clamping plate to rotate and fix it in the clamping plate base. Since the manual clamping force of the staff is limited, the clamping plate is easy to loosen during extrusion, affecting the quality of the output material. Therefore, a new clamping mechanism of the extruder is urgently needed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a mold locking mechanism for an extruder to solve the technical problem that the existing mold locking disc is easy to loosen.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a locking mechanism of an extruder, comprising a mounting plate, a locking assembly arranged on the mounting plate, a cylinder arranged at the bottom of the mounting plate, a positioning rod arranged on one side of the cylinder, and a movable plate connecting the top of the positioning rod, the top of the telescopic rod of the cylinder and the top of the locking assembly, the locking assembly comprising a screw rod, a rotating universal head, a zipper chain and a collar connected in sequence, the screw rod is arranged on the mounting plate, the locking assembly also includes a locking plate base and a locking plate, the locking plate base is fixed on the mounting plate, the locking plate is screwed to the locking plate base, a connecting rod is arranged on the side of the locking plate, and the collar is sleeved on the connecting rod.

[0006] Preferably, the mounting plate is an "L"-shaped structure, and two screw holes are provided on its side, and one end of the screw rod is inserted into the screw hole and extends into the interior of the mounting plate.

[0007] Preferably, the side annular array of the locking plate has a plurality of insertion holes, and two connecting rods are provided, and the two connecting rods are inserted into the insertion holes on the opposite sides.

[0008] Preferably, a support rod, a U-shaped frame and a guide wheel are provided on the movable plate on one side close to the mold locking assembly, the U-shaped frame is arranged at the top end of the support rod, and the guide wheel is arranged inside the U-shaped frame.

[0009] Preferably, the locking plate is connected to the movable plate, and the locking plate can rotate relative to the outer mold.

[0010] Preferably, an air valve fixing plate and a manual air valve are provided at the bottom of the mounting plate, the manual air valve is mounted on the air valve fixing plate, and the manual air valve is connected to the air cylinder.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The clamping mechanism of the extruder includes a mounting plate, a clamping assembly, a cylinder, a positioning rod and a movable plate. The movable plate is connected to the positioning rod, the telescopic rod of the cylinder and the top of the clamping plate to ensure that the cylinder can drive the clamping plate of the clamping assembly to rise and fall, which is convenient for clamping. At the same time, the clamping plate is ensured to be stable during the lifting process to avoid affecting the quality of the extruded material. The clamping assembly is arranged on the movable plate and connected with the connecting rod on the clamping plate, so that the clamping plate and the base of the clamping plate can be locked and loosened through the clamping assembly to avoid material leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0014] Figure 1 It is a three-dimensional structural schematic diagram of a clamping mechanism of an extruder of the utility model;

[0015] Figure 2 It is a three-dimensional structural schematic diagram of another viewing angle of a clamping mechanism of an extruder of the utility model.

[0016] Explanation of the reference numerals: 1. Mounting plate; 2. Locking mold assembly; 21. Screw; 22. Rotating universal head; 23. Zipper chain; 24. Ring; 25. Locking mold plate base; 26. Locking mold plate; 261. Socket; 27. Connecting rod; 3. Cylinder; 4. Positioning rod; 5. Movable plate; 51. Support rod; 52. U-shaped frame; 53. Guide wheel; 6. Valve fixing plate; 7. Manual air valve. DETAILED DESCRIPTION

[0017] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0018] See also Figure 1-2 The utility model provides a technical solution: a clamping mechanism of an extruder, comprising a mounting plate 1, a clamping assembly 2 arranged on the mounting plate, a cylinder 3 arranged at the bottom of the mounting plate, a positioning rod 4 arranged on one side of the cylinder, and a movable plate 5 connecting the top of the positioning rod, the top of the telescopic rod of the cylinder and the top of the clamping assembly.

[0019] The mold locking assembly 2 includes a screw 21, a rotating universal head 22, a zipper chain 23 and a ring 24 connected in sequence. The screw 21 is arranged on the mounting plate 1. The mold locking assembly 2 also includes a locking plate base 25 and a locking plate 26. The locking plate base 25 is fixed on the mounting plate 1. The locking plate 26 is screwed to the locking plate base 25. A connecting rod 27 is provided on the side of the locking plate 26. The ring 24 is sleeved on the connecting rod 21.

[0020] The utility model discloses a locking mechanism of an extruder, comprising a mounting plate 1, a locking assembly 2, a cylinder 3, a positioning rod 4 and a movable plate 5. The mounting plate 1 plays a role of stable support, and various components are arranged on the mounting plate 1, wherein the locking assembly 2 is used to lock the upper mold to facilitate the extrusion of the Teflon tube; the cylinder 3 is used to separate and close the locking plate 26 from the locking plate base 25, and further facilitate the locking of the upper mold; the positioning rod 4 is arranged on the side of the telescopic rod of the cylinder 3, and is used to assist in supporting the upper mold and the locking plate 26 on the movable plate 5, and can also play a guiding role; the movable plate 5 is connected with the positioning rod 4, the telescopic rod of the cylinder 3 and the top of the locking plate 26, so as to ensure that the cylinder 3 can drive the locking plate 26 to rise and fall, and facilitate the locking of the mold. At the same time, it is ensured that the locking plate is stable during the lifting process to avoid affecting the quality of the extruded material.

[0021] Furthermore, the mold locking assembly 2 includes a screw 21, a rotating universal head 22, a zipper chain 23, a ring 24, a mold locking disk base 25 and a mold locking disk 26. The screw 21 is installed on the side plate of the mounting plate, with one end thereof facing outward and the other end inwardly connected to the rotating universal head 22. The other end of the rotating universal head 22 is connected to the zipper chain 23, and the other end of the zipper chain 23 is connected to the ring 24. When in use, the ring 24 is sleeved on the connecting rod 27 on the side of the mold locking disk 26 for mold locking and mold opening; when mold locking is required, the lower screw 21 is screwed outward and the upper screw 21 is screwed inward, and during the rotation of the two screws 21, the connecting rod 27 connected thereto is driven to rotate clockwise to realize the mold locking operation; when mold opening is required, the upper screw 21 is screwed outward and the lower screw 21 is screwed inward, and during the rotation of the two screws 21, the connecting rod 27 connected thereto is driven to rotate counterclockwise to realize the mold opening operation.

[0022] In a preferred embodiment, referring to Figure 1 The mounting plate 1 of the clamping die assembly mechanism is an "L"-shaped structure, and two screw holes 11 are arranged on its side. One end of the screw rod 21 is inserted into the screw hole 11 and extends into the interior of the mounting plate 1. The mounting plate 1 is arranged in an "L" shape, including a side plate and a bottom plate, wherein the clamping die assembly 2 is arranged on the side plate, and the cylinder 3, the positioning rod 4, the movable plate 5, the clamping die plate base 25 and the clamping die plate 26 are arranged on the bottom plate. By arranging two screw holes 11 on the side plate of the mounting plate, the screw rod 21 passes through, ensuring that the screw rod 21 can move left and right on the mounting plate 1 to achieve clamping and opening of the mold; in addition, the front end of the screw rod 21 is connected to an external tool, and manual and automatic driving methods can be used to realize the rotation of the screw rod.

[0023] In a preferred embodiment, referring to Figure 1 and Figure 2 The locking plate 26 of the locking die assembly mechanism has a plurality of holes 261 in a circular array on the side, and two connecting rods 27 are provided, and the two connecting rods 27 are inserted into the holes 261 on the opposite side. By setting a plurality of holes 261 in a circular array on the side of the locking plate 26, the two connecting rods 27 are inserted into the holes 261 on the opposite side. The holes 261 are blind holes, and the connecting rods 27 are "T"-shaped structures. After the connecting rods 27 are inserted into the holes 261, the front ends of the connecting rods 27 are exposed outside the locking plate 26, ensuring that the collar is sleeved on the exposed connecting rods 27, so that the screw rod 21 can drive the connecting rods 27 to move, so that the locking plate 26 is locked.

[0024] In a preferred embodiment, referring to Figure 1 and Figure 2 On the movable plate 5 of the clamping die assembly mechanism, a support rod 51, a U-shaped frame 52 and a guide wheel 53 are provided on the side close to the clamping die assembly 2. The U-shaped frame 52 is provided at the top of the support rod 51, and the guide wheel 53 is provided inside the U-shaped frame 52. By providing the guide wheel 53 on the movable plate 5, the Teflon tube extruded from the outer die is guided by the guide wheel 53, ensuring that when the material is discharged, as the guide wheel 53 rotates, there is no friction on the product, thereby ensuring the smoothness of the product.

[0025] In a preferred embodiment, referring to Figure 1 and Figure 2 The locking plate 26 of the locking die assembly mechanism is connected to the movable plate 5, and the locking plate 26 can rotate relative to the outer die. The movable plate 5 is provided with a through hole for connecting the outer die (not shown in the figure), and the outer die is also provided with a locking bolt to connect the locking plate 26 to the movable plate 5. When locking the die, the locking plate 26 will move upward and approach the bottom of the movable plate 5. When loosening the die, the locking plate 26 will move downward for a certain distance, so that the locking plate 26 can rotate freely with the outer die as the center, ensuring that the locking plate 26 is in a loosened state.

[0026] In a preferred embodiment, referring to Figure 1 and Figure 2 The bottom of the mounting plate 1 of the clamping die assembly mechanism is provided with an air valve fixing plate 6 and a manual air valve 7, the manual air valve 7 is mounted on the air valve fixing plate 6, and the manual air valve 7 is connected to the air cylinder 3. The manual air valve 7 is connected to the air cylinder 3, and is used to control the descending stroke of the telescopic rod of the air cylinder 3, that is, to control the descending stroke of the movable plate connected thereto, and further control the descending stroke of the clamping plate 26 connected to the movable plate, so as to facilitate the control of the clamping plate 26 and the clamping plate base 25 to be combined, and further facilitate the clamping.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A clamping mechanism for an extruder, characterized in that: It includes a mounting plate, a mold locking assembly arranged on the mounting plate, a cylinder arranged at the bottom of the mounting plate, a positioning rod arranged on one side of the cylinder and a movable plate connecting the top of the positioning rod, the top of the telescopic rod of the cylinder and the top of the mold locking assembly, the mold locking assembly includes a screw rod, a rotating universal head, a zipper chain and a ring connected in sequence, the screw rod is arranged on the mounting plate, the mold locking assembly also includes a mold locking disk base and a mold locking disk, the mold locking disk base is fixed on the mounting plate, the mold locking disk is screwed to the mold locking disk base, a connecting rod is provided on the side of the mold locking disk, and the ring is sleeved on the connecting rod.

2. The clamping mechanism of the extruder according to claim 1, characterized in that: The mounting plate is an "L"-shaped structure, and two screw holes are arranged on its side. One end of the screw rod is inserted into the screw hole and extends to the inside of the mounting plate.

3. The clamping mechanism of the extruder according to claim 1, characterized in that: The side ring array of the locking plate is provided with a plurality of insertion holes, and the connecting rods are provided with two, and the two connecting rods are inserted into the insertion holes on the opposite sides.

4. The clamping mechanism of the extruder according to claim 1, characterized in that: A support rod, a U-shaped frame and a guide wheel are arranged on the movable plate at one side close to the mold locking assembly. The U-shaped frame is arranged at the top of the support rod, and the guide wheel is arranged in the U-shaped frame.

5. The clamping mechanism of the extruder according to claim 1, characterized in that: The locking plate is connected to the movable plate, and the locking plate can rotate relative to the outer mold.

6. The clamping mechanism of the extruder according to claim 1, characterized in that: An air valve fixing plate and a manual air valve are provided at the bottom of the mounting plate. The manual air valve is mounted on the air valve fixing plate, and the manual air valve is connected to the air cylinder.

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